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- // SPDX-License-Identifier: GPL-2.0-only
- /*
- * QLogic iSCSI HBA Driver
- * Copyright (c) 2003-2013 QLogic Corporation
- */
- #include <linux/moduleparam.h>
- #include <linux/slab.h>
- #include <linux/blkdev.h>
- #include <linux/iscsi_boot_sysfs.h>
- #include <linux/inet.h>
- #include <scsi/scsi_tcq.h>
- #include <scsi/scsicam.h>
- #include "ql4_def.h"
- #include "ql4_version.h"
- #include "ql4_glbl.h"
- #include "ql4_dbg.h"
- #include "ql4_inline.h"
- #include "ql4_83xx.h"
- /*
- * Driver version
- */
- static char qla4xxx_version_str[40];
- /*
- * SRB allocation cache
- */
- static struct kmem_cache *srb_cachep;
- /*
- * Module parameter information and variables
- */
- static int ql4xdisablesysfsboot = 1;
- module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR);
- MODULE_PARM_DESC(ql4xdisablesysfsboot,
- " Set to disable exporting boot targets to sysfs.\n"
- "\t\t 0 - Export boot targets\n"
- "\t\t 1 - Do not export boot targets (Default)");
- int ql4xdontresethba;
- module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
- MODULE_PARM_DESC(ql4xdontresethba,
- " Don't reset the HBA for driver recovery.\n"
- "\t\t 0 - It will reset HBA (Default)\n"
- "\t\t 1 - It will NOT reset HBA");
- int ql4xextended_error_logging;
- module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR);
- MODULE_PARM_DESC(ql4xextended_error_logging,
- " Option to enable extended error logging.\n"
- "\t\t 0 - no logging (Default)\n"
- "\t\t 2 - debug logging");
- int ql4xenablemsix = 1;
- module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR);
- MODULE_PARM_DESC(ql4xenablemsix,
- " Set to enable MSI or MSI-X interrupt mechanism.\n"
- "\t\t 0 = enable INTx interrupt mechanism.\n"
- "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n"
- "\t\t 2 = enable MSI interrupt mechanism.");
- #define QL4_DEF_QDEPTH 32
- static int ql4xmaxqdepth = QL4_DEF_QDEPTH;
- module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR);
- MODULE_PARM_DESC(ql4xmaxqdepth,
- " Maximum queue depth to report for target devices.\n"
- "\t\t Default: 32.");
- static int ql4xqfulltracking = 1;
- module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR);
- MODULE_PARM_DESC(ql4xqfulltracking,
- " Enable or disable dynamic tracking and adjustment of\n"
- "\t\t scsi device queue depth.\n"
- "\t\t 0 - Disable.\n"
- "\t\t 1 - Enable. (Default)");
- static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO;
- module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
- MODULE_PARM_DESC(ql4xsess_recovery_tmo,
- " Target Session Recovery Timeout.\n"
- "\t\t Default: 120 sec.");
- int ql4xmdcapmask = 0;
- module_param(ql4xmdcapmask, int, S_IRUGO);
- MODULE_PARM_DESC(ql4xmdcapmask,
- " Set the Minidump driver capture mask level.\n"
- "\t\t Default is 0 (firmware default capture mask)\n"
- "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF");
- int ql4xenablemd = 1;
- module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR);
- MODULE_PARM_DESC(ql4xenablemd,
- " Set to enable minidump.\n"
- "\t\t 0 - disable minidump\n"
- "\t\t 1 - enable minidump (Default)");
- static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
- /*
- * SCSI host template entry points
- */
- static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha);
- /*
- * iSCSI template entry points
- */
- static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
- enum iscsi_param param, char *buf);
- static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn,
- enum iscsi_param param, char *buf);
- static int qla4xxx_host_get_param(struct Scsi_Host *shost,
- enum iscsi_host_param param, char *buf);
- static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data,
- uint32_t len);
- static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
- enum iscsi_param_type param_type,
- int param, char *buf);
- static enum scsi_timeout_action qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);
- static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost,
- struct sockaddr *dst_addr,
- int non_blocking);
- static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms);
- static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep);
- static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
- enum iscsi_param param, char *buf);
- static int qla4xxx_conn_start(struct iscsi_cls_conn *conn);
- static struct iscsi_cls_conn *
- qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx);
- static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
- struct iscsi_cls_conn *cls_conn,
- uint64_t transport_fd, int is_leading);
- static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn);
- static struct iscsi_cls_session *
- qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max,
- uint16_t qdepth, uint32_t initial_cmdsn);
- static void qla4xxx_session_destroy(struct iscsi_cls_session *sess);
- static void qla4xxx_task_work(struct work_struct *wdata);
- static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t);
- static int qla4xxx_task_xmit(struct iscsi_task *);
- static void qla4xxx_task_cleanup(struct iscsi_task *);
- static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session);
- static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
- struct iscsi_stats *stats);
- static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
- uint32_t iface_type, uint32_t payload_size,
- uint32_t pid, struct sockaddr *dst_addr);
- static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
- uint32_t *num_entries, char *buf);
- static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx);
- static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data,
- int len);
- static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len);
- /*
- * SCSI host template entry points
- */
- static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
- static int qla4xxx_eh_abort(struct scsi_cmnd *cmd);
- static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd);
- static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd);
- static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd);
- static int qla4xxx_slave_alloc(struct scsi_device *device);
- static umode_t qla4_attr_is_visible(int param_type, int param);
- static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type);
- /*
- * iSCSI Flash DDB sysfs entry points
- */
- static int
- qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
- struct iscsi_bus_flash_conn *fnode_conn,
- void *data, int len);
- static int
- qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess,
- int param, char *buf);
- static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf,
- int len);
- static int
- qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess);
- static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
- struct iscsi_bus_flash_conn *fnode_conn);
- static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
- struct iscsi_bus_flash_conn *fnode_conn);
- static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess);
- static struct qla4_8xxx_legacy_intr_set legacy_intr[] =
- QLA82XX_LEGACY_INTR_CONFIG;
- static const uint32_t qla4_82xx_reg_tbl[] = {
- QLA82XX_PEG_HALT_STATUS1,
- QLA82XX_PEG_HALT_STATUS2,
- QLA82XX_PEG_ALIVE_COUNTER,
- QLA82XX_CRB_DRV_ACTIVE,
- QLA82XX_CRB_DEV_STATE,
- QLA82XX_CRB_DRV_STATE,
- QLA82XX_CRB_DRV_SCRATCH,
- QLA82XX_CRB_DEV_PART_INFO,
- QLA82XX_CRB_DRV_IDC_VERSION,
- QLA82XX_FW_VERSION_MAJOR,
- QLA82XX_FW_VERSION_MINOR,
- QLA82XX_FW_VERSION_SUB,
- CRB_CMDPEG_STATE,
- CRB_TEMP_STATE,
- };
- static const uint32_t qla4_83xx_reg_tbl[] = {
- QLA83XX_PEG_HALT_STATUS1,
- QLA83XX_PEG_HALT_STATUS2,
- QLA83XX_PEG_ALIVE_COUNTER,
- QLA83XX_CRB_DRV_ACTIVE,
- QLA83XX_CRB_DEV_STATE,
- QLA83XX_CRB_DRV_STATE,
- QLA83XX_CRB_DRV_SCRATCH,
- QLA83XX_CRB_DEV_PART_INFO1,
- QLA83XX_CRB_IDC_VER_MAJOR,
- QLA83XX_FW_VER_MAJOR,
- QLA83XX_FW_VER_MINOR,
- QLA83XX_FW_VER_SUB,
- QLA83XX_CMDPEG_STATE,
- QLA83XX_ASIC_TEMP,
- };
- static struct scsi_host_template qla4xxx_driver_template = {
- .module = THIS_MODULE,
- .name = DRIVER_NAME,
- .proc_name = DRIVER_NAME,
- .queuecommand = qla4xxx_queuecommand,
- .cmd_size = sizeof(struct qla4xxx_cmd_priv),
- .eh_abort_handler = qla4xxx_eh_abort,
- .eh_device_reset_handler = qla4xxx_eh_device_reset,
- .eh_target_reset_handler = qla4xxx_eh_target_reset,
- .eh_host_reset_handler = qla4xxx_eh_host_reset,
- .eh_timed_out = qla4xxx_eh_cmd_timed_out,
- .slave_alloc = qla4xxx_slave_alloc,
- .change_queue_depth = scsi_change_queue_depth,
- .this_id = -1,
- .cmd_per_lun = 3,
- .sg_tablesize = SG_ALL,
- .max_sectors = 0xFFFF,
- .shost_groups = qla4xxx_host_groups,
- .host_reset = qla4xxx_host_reset,
- .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC,
- };
- static struct iscsi_transport qla4xxx_iscsi_transport = {
- .owner = THIS_MODULE,
- .name = DRIVER_NAME,
- .caps = CAP_TEXT_NEGO |
- CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST |
- CAP_DATADGST | CAP_LOGIN_OFFLOAD |
- CAP_MULTI_R2T,
- .attr_is_visible = qla4_attr_is_visible,
- .create_session = qla4xxx_session_create,
- .destroy_session = qla4xxx_session_destroy,
- .start_conn = qla4xxx_conn_start,
- .create_conn = qla4xxx_conn_create,
- .bind_conn = qla4xxx_conn_bind,
- .unbind_conn = iscsi_conn_unbind,
- .stop_conn = iscsi_conn_stop,
- .destroy_conn = qla4xxx_conn_destroy,
- .set_param = iscsi_set_param,
- .get_conn_param = qla4xxx_conn_get_param,
- .get_session_param = qla4xxx_session_get_param,
- .get_ep_param = qla4xxx_get_ep_param,
- .ep_connect = qla4xxx_ep_connect,
- .ep_poll = qla4xxx_ep_poll,
- .ep_disconnect = qla4xxx_ep_disconnect,
- .get_stats = qla4xxx_conn_get_stats,
- .send_pdu = iscsi_conn_send_pdu,
- .xmit_task = qla4xxx_task_xmit,
- .cleanup_task = qla4xxx_task_cleanup,
- .alloc_pdu = qla4xxx_alloc_pdu,
- .get_host_param = qla4xxx_host_get_param,
- .set_iface_param = qla4xxx_iface_set_param,
- .get_iface_param = qla4xxx_get_iface_param,
- .bsg_request = qla4xxx_bsg_request,
- .send_ping = qla4xxx_send_ping,
- .get_chap = qla4xxx_get_chap_list,
- .delete_chap = qla4xxx_delete_chap,
- .set_chap = qla4xxx_set_chap_entry,
- .get_flashnode_param = qla4xxx_sysfs_ddb_get_param,
- .set_flashnode_param = qla4xxx_sysfs_ddb_set_param,
- .new_flashnode = qla4xxx_sysfs_ddb_add,
- .del_flashnode = qla4xxx_sysfs_ddb_delete,
- .login_flashnode = qla4xxx_sysfs_ddb_login,
- .logout_flashnode = qla4xxx_sysfs_ddb_logout,
- .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid,
- .get_host_stats = qla4xxx_get_host_stats,
- };
- static struct scsi_transport_template *qla4xxx_scsi_transport;
- static int qla4xxx_isp_check_reg(struct scsi_qla_host *ha)
- {
- u32 reg_val = 0;
- int rval = QLA_SUCCESS;
- if (is_qla8022(ha))
- reg_val = readl(&ha->qla4_82xx_reg->host_status);
- else if (is_qla8032(ha) || is_qla8042(ha))
- reg_val = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER);
- else
- reg_val = readw(&ha->reg->ctrl_status);
- if (reg_val == QL4_ISP_REG_DISCONNECT)
- rval = QLA_ERROR;
- return rval;
- }
- static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
- uint32_t iface_type, uint32_t payload_size,
- uint32_t pid, struct sockaddr *dst_addr)
- {
- struct scsi_qla_host *ha = to_qla_host(shost);
- struct sockaddr_in *addr;
- struct sockaddr_in6 *addr6;
- uint32_t options = 0;
- uint8_t ipaddr[IPv6_ADDR_LEN];
- int rval;
- memset(ipaddr, 0, IPv6_ADDR_LEN);
- /* IPv4 to IPv4 */
- if ((iface_type == ISCSI_IFACE_TYPE_IPV4) &&
- (dst_addr->sa_family == AF_INET)) {
- addr = (struct sockaddr_in *)dst_addr;
- memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN);
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 "
- "dest: %pI4\n", __func__,
- &ha->ip_config.ip_address, ipaddr));
- rval = qla4xxx_ping_iocb(ha, options, payload_size, pid,
- ipaddr);
- if (rval)
- rval = -EINVAL;
- } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) &&
- (dst_addr->sa_family == AF_INET6)) {
- /* IPv6 to IPv6 */
- addr6 = (struct sockaddr_in6 *)dst_addr;
- memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN);
- options |= PING_IPV6_PROTOCOL_ENABLE;
- /* Ping using LinkLocal address */
- if ((iface_num == 0) || (iface_num == 1)) {
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping "
- "src: %pI6 dest: %pI6\n", __func__,
- &ha->ip_config.ipv6_link_local_addr,
- ipaddr));
- options |= PING_IPV6_LINKLOCAL_ADDR;
- rval = qla4xxx_ping_iocb(ha, options, payload_size,
- pid, ipaddr);
- } else {
- ql4_printk(KERN_WARNING, ha, "%s: iface num = %d "
- "not supported\n", __func__, iface_num);
- rval = -ENOSYS;
- goto exit_send_ping;
- }
- /*
- * If ping using LinkLocal address fails, try ping using
- * IPv6 address
- */
- if (rval != QLA_SUCCESS) {
- options &= ~PING_IPV6_LINKLOCAL_ADDR;
- if (iface_num == 0) {
- options |= PING_IPV6_ADDR0;
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
- "Ping src: %pI6 "
- "dest: %pI6\n", __func__,
- &ha->ip_config.ipv6_addr0,
- ipaddr));
- } else if (iface_num == 1) {
- options |= PING_IPV6_ADDR1;
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
- "Ping src: %pI6 "
- "dest: %pI6\n", __func__,
- &ha->ip_config.ipv6_addr1,
- ipaddr));
- }
- rval = qla4xxx_ping_iocb(ha, options, payload_size,
- pid, ipaddr);
- if (rval)
- rval = -EINVAL;
- }
- } else
- rval = -ENOSYS;
- exit_send_ping:
- return rval;
- }
- static umode_t qla4_attr_is_visible(int param_type, int param)
- {
- switch (param_type) {
- case ISCSI_HOST_PARAM:
- switch (param) {
- case ISCSI_HOST_PARAM_HWADDRESS:
- case ISCSI_HOST_PARAM_IPADDRESS:
- case ISCSI_HOST_PARAM_INITIATOR_NAME:
- case ISCSI_HOST_PARAM_PORT_STATE:
- case ISCSI_HOST_PARAM_PORT_SPEED:
- return S_IRUGO;
- default:
- return 0;
- }
- case ISCSI_PARAM:
- switch (param) {
- case ISCSI_PARAM_PERSISTENT_ADDRESS:
- case ISCSI_PARAM_PERSISTENT_PORT:
- case ISCSI_PARAM_CONN_ADDRESS:
- case ISCSI_PARAM_CONN_PORT:
- case ISCSI_PARAM_TARGET_NAME:
- case ISCSI_PARAM_TPGT:
- case ISCSI_PARAM_TARGET_ALIAS:
- case ISCSI_PARAM_MAX_BURST:
- case ISCSI_PARAM_MAX_R2T:
- case ISCSI_PARAM_FIRST_BURST:
- case ISCSI_PARAM_MAX_RECV_DLENGTH:
- case ISCSI_PARAM_MAX_XMIT_DLENGTH:
- case ISCSI_PARAM_IFACE_NAME:
- case ISCSI_PARAM_CHAP_OUT_IDX:
- case ISCSI_PARAM_CHAP_IN_IDX:
- case ISCSI_PARAM_USERNAME:
- case ISCSI_PARAM_PASSWORD:
- case ISCSI_PARAM_USERNAME_IN:
- case ISCSI_PARAM_PASSWORD_IN:
- case ISCSI_PARAM_AUTO_SND_TGT_DISABLE:
- case ISCSI_PARAM_DISCOVERY_SESS:
- case ISCSI_PARAM_PORTAL_TYPE:
- case ISCSI_PARAM_CHAP_AUTH_EN:
- case ISCSI_PARAM_DISCOVERY_LOGOUT_EN:
- case ISCSI_PARAM_BIDI_CHAP_EN:
- case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL:
- case ISCSI_PARAM_DEF_TIME2WAIT:
- case ISCSI_PARAM_DEF_TIME2RETAIN:
- case ISCSI_PARAM_HDRDGST_EN:
- case ISCSI_PARAM_DATADGST_EN:
- case ISCSI_PARAM_INITIAL_R2T_EN:
- case ISCSI_PARAM_IMM_DATA_EN:
- case ISCSI_PARAM_PDU_INORDER_EN:
- case ISCSI_PARAM_DATASEQ_INORDER_EN:
- case ISCSI_PARAM_MAX_SEGMENT_SIZE:
- case ISCSI_PARAM_TCP_TIMESTAMP_STAT:
- case ISCSI_PARAM_TCP_WSF_DISABLE:
- case ISCSI_PARAM_TCP_NAGLE_DISABLE:
- case ISCSI_PARAM_TCP_TIMER_SCALE:
- case ISCSI_PARAM_TCP_TIMESTAMP_EN:
- case ISCSI_PARAM_TCP_XMIT_WSF:
- case ISCSI_PARAM_TCP_RECV_WSF:
- case ISCSI_PARAM_IP_FRAGMENT_DISABLE:
- case ISCSI_PARAM_IPV4_TOS:
- case ISCSI_PARAM_IPV6_TC:
- case ISCSI_PARAM_IPV6_FLOW_LABEL:
- case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6:
- case ISCSI_PARAM_KEEPALIVE_TMO:
- case ISCSI_PARAM_LOCAL_PORT:
- case ISCSI_PARAM_ISID:
- case ISCSI_PARAM_TSID:
- case ISCSI_PARAM_DEF_TASKMGMT_TMO:
- case ISCSI_PARAM_ERL:
- case ISCSI_PARAM_STATSN:
- case ISCSI_PARAM_EXP_STATSN:
- case ISCSI_PARAM_DISCOVERY_PARENT_IDX:
- case ISCSI_PARAM_DISCOVERY_PARENT_TYPE:
- case ISCSI_PARAM_LOCAL_IPADDR:
- return S_IRUGO;
- default:
- return 0;
- }
- case ISCSI_NET_PARAM:
- switch (param) {
- case ISCSI_NET_PARAM_IPV4_ADDR:
- case ISCSI_NET_PARAM_IPV4_SUBNET:
- case ISCSI_NET_PARAM_IPV4_GW:
- case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
- case ISCSI_NET_PARAM_IFACE_ENABLE:
- case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
- case ISCSI_NET_PARAM_IPV6_ADDR:
- case ISCSI_NET_PARAM_IPV6_ROUTER:
- case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
- case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
- case ISCSI_NET_PARAM_VLAN_ID:
- case ISCSI_NET_PARAM_VLAN_PRIORITY:
- case ISCSI_NET_PARAM_VLAN_ENABLED:
- case ISCSI_NET_PARAM_MTU:
- case ISCSI_NET_PARAM_PORT:
- case ISCSI_NET_PARAM_IPADDR_STATE:
- case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE:
- case ISCSI_NET_PARAM_IPV6_ROUTER_STATE:
- case ISCSI_NET_PARAM_DELAYED_ACK_EN:
- case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
- case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
- case ISCSI_NET_PARAM_TCP_WSF:
- case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
- case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
- case ISCSI_NET_PARAM_CACHE_ID:
- case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
- case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
- case ISCSI_NET_PARAM_IPV4_TOS_EN:
- case ISCSI_NET_PARAM_IPV4_TOS:
- case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
- case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
- case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
- case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
- case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
- case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
- case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
- case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
- case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
- case ISCSI_NET_PARAM_REDIRECT_EN:
- case ISCSI_NET_PARAM_IPV4_TTL:
- case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
- case ISCSI_NET_PARAM_IPV6_MLD_EN:
- case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
- case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
- case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
- case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
- case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
- case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
- case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
- case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
- return S_IRUGO;
- default:
- return 0;
- }
- case ISCSI_IFACE_PARAM:
- switch (param) {
- case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
- case ISCSI_IFACE_PARAM_HDRDGST_EN:
- case ISCSI_IFACE_PARAM_DATADGST_EN:
- case ISCSI_IFACE_PARAM_IMM_DATA_EN:
- case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
- case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
- case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
- case ISCSI_IFACE_PARAM_ERL:
- case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
- case ISCSI_IFACE_PARAM_FIRST_BURST:
- case ISCSI_IFACE_PARAM_MAX_R2T:
- case ISCSI_IFACE_PARAM_MAX_BURST:
- case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
- case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
- case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
- case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
- case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
- case ISCSI_IFACE_PARAM_INITIATOR_NAME:
- return S_IRUGO;
- default:
- return 0;
- }
- case ISCSI_FLASHNODE_PARAM:
- switch (param) {
- case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
- case ISCSI_FLASHNODE_PORTAL_TYPE:
- case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
- case ISCSI_FLASHNODE_DISCOVERY_SESS:
- case ISCSI_FLASHNODE_ENTRY_EN:
- case ISCSI_FLASHNODE_HDR_DGST_EN:
- case ISCSI_FLASHNODE_DATA_DGST_EN:
- case ISCSI_FLASHNODE_IMM_DATA_EN:
- case ISCSI_FLASHNODE_INITIAL_R2T_EN:
- case ISCSI_FLASHNODE_DATASEQ_INORDER:
- case ISCSI_FLASHNODE_PDU_INORDER:
- case ISCSI_FLASHNODE_CHAP_AUTH_EN:
- case ISCSI_FLASHNODE_SNACK_REQ_EN:
- case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
- case ISCSI_FLASHNODE_BIDI_CHAP_EN:
- case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
- case ISCSI_FLASHNODE_ERL:
- case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
- case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
- case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
- case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
- case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
- case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
- case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
- case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
- case ISCSI_FLASHNODE_FIRST_BURST:
- case ISCSI_FLASHNODE_DEF_TIME2WAIT:
- case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
- case ISCSI_FLASHNODE_MAX_R2T:
- case ISCSI_FLASHNODE_KEEPALIVE_TMO:
- case ISCSI_FLASHNODE_ISID:
- case ISCSI_FLASHNODE_TSID:
- case ISCSI_FLASHNODE_PORT:
- case ISCSI_FLASHNODE_MAX_BURST:
- case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
- case ISCSI_FLASHNODE_IPADDR:
- case ISCSI_FLASHNODE_ALIAS:
- case ISCSI_FLASHNODE_REDIRECT_IPADDR:
- case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
- case ISCSI_FLASHNODE_LOCAL_PORT:
- case ISCSI_FLASHNODE_IPV4_TOS:
- case ISCSI_FLASHNODE_IPV6_TC:
- case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
- case ISCSI_FLASHNODE_NAME:
- case ISCSI_FLASHNODE_TPGT:
- case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
- case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
- case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
- case ISCSI_FLASHNODE_TCP_XMIT_WSF:
- case ISCSI_FLASHNODE_TCP_RECV_WSF:
- case ISCSI_FLASHNODE_CHAP_OUT_IDX:
- case ISCSI_FLASHNODE_USERNAME:
- case ISCSI_FLASHNODE_PASSWORD:
- case ISCSI_FLASHNODE_STATSN:
- case ISCSI_FLASHNODE_EXP_STATSN:
- case ISCSI_FLASHNODE_IS_BOOT_TGT:
- return S_IRUGO;
- default:
- return 0;
- }
- }
- return 0;
- }
- /**
- * qla4xxx_create_chap_list - Create CHAP list from FLASH
- * @ha: pointer to adapter structure
- *
- * Read flash and make a list of CHAP entries, during login when a CHAP entry
- * is received, it will be checked in this list. If entry exist then the CHAP
- * entry index is set in the DDB. If CHAP entry does not exist in this list
- * then a new entry is added in FLASH in CHAP table and the index obtained is
- * used in the DDB.
- **/
- static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
- {
- int rval = 0;
- uint8_t *chap_flash_data = NULL;
- uint32_t offset;
- dma_addr_t chap_dma;
- uint32_t chap_size = 0;
- if (is_qla40XX(ha))
- chap_size = MAX_CHAP_ENTRIES_40XX *
- sizeof(struct ql4_chap_table);
- else /* Single region contains CHAP info for both
- * ports which is divided into half for each port.
- */
- chap_size = ha->hw.flt_chap_size / 2;
- chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size,
- &chap_dma, GFP_KERNEL);
- if (!chap_flash_data) {
- ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n");
- return;
- }
- if (is_qla40XX(ha)) {
- offset = FLASH_CHAP_OFFSET;
- } else {
- offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
- if (ha->port_num == 1)
- offset += chap_size;
- }
- rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
- if (rval != QLA_SUCCESS)
- goto exit_chap_list;
- if (ha->chap_list == NULL)
- ha->chap_list = vmalloc(chap_size);
- if (ha->chap_list == NULL) {
- ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n");
- goto exit_chap_list;
- }
- memcpy(ha->chap_list, chap_flash_data, chap_size);
- exit_chap_list:
- dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma);
- }
- static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha,
- int16_t chap_index,
- struct ql4_chap_table **chap_entry)
- {
- int rval = QLA_ERROR;
- int max_chap_entries;
- if (!ha->chap_list) {
- ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
- goto exit_get_chap;
- }
- if (is_qla80XX(ha))
- max_chap_entries = (ha->hw.flt_chap_size / 2) /
- sizeof(struct ql4_chap_table);
- else
- max_chap_entries = MAX_CHAP_ENTRIES_40XX;
- if (chap_index > max_chap_entries) {
- ql4_printk(KERN_ERR, ha, "Invalid Chap index\n");
- goto exit_get_chap;
- }
- *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index;
- if ((*chap_entry)->cookie !=
- cpu_to_le16(CHAP_VALID_COOKIE)) {
- *chap_entry = NULL;
- } else {
- rval = QLA_SUCCESS;
- }
- exit_get_chap:
- return rval;
- }
- /**
- * qla4xxx_find_free_chap_index - Find the first free chap index
- * @ha: pointer to adapter structure
- * @chap_index: CHAP index to be returned
- *
- * Find the first free chap index available in the chap table
- *
- * Note: Caller should acquire the chap lock before getting here.
- **/
- static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha,
- uint16_t *chap_index)
- {
- int i, rval;
- int free_index = -1;
- int max_chap_entries = 0;
- struct ql4_chap_table *chap_table;
- if (is_qla80XX(ha))
- max_chap_entries = (ha->hw.flt_chap_size / 2) /
- sizeof(struct ql4_chap_table);
- else
- max_chap_entries = MAX_CHAP_ENTRIES_40XX;
- if (!ha->chap_list) {
- ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
- rval = QLA_ERROR;
- goto exit_find_chap;
- }
- for (i = 0; i < max_chap_entries; i++) {
- chap_table = (struct ql4_chap_table *)ha->chap_list + i;
- if ((chap_table->cookie !=
- cpu_to_le16(CHAP_VALID_COOKIE)) &&
- (i > MAX_RESRV_CHAP_IDX)) {
- free_index = i;
- break;
- }
- }
- if (free_index != -1) {
- *chap_index = free_index;
- rval = QLA_SUCCESS;
- } else {
- rval = QLA_ERROR;
- }
- exit_find_chap:
- return rval;
- }
- static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
- uint32_t *num_entries, char *buf)
- {
- struct scsi_qla_host *ha = to_qla_host(shost);
- struct ql4_chap_table *chap_table;
- struct iscsi_chap_rec *chap_rec;
- int max_chap_entries = 0;
- int valid_chap_entries = 0;
- int ret = 0, i;
- if (is_qla80XX(ha))
- max_chap_entries = (ha->hw.flt_chap_size / 2) /
- sizeof(struct ql4_chap_table);
- else
- max_chap_entries = MAX_CHAP_ENTRIES_40XX;
- ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n",
- __func__, *num_entries, chap_tbl_idx);
- if (!buf) {
- ret = -ENOMEM;
- goto exit_get_chap_list;
- }
- qla4xxx_create_chap_list(ha);
- chap_rec = (struct iscsi_chap_rec *) buf;
- mutex_lock(&ha->chap_sem);
- for (i = chap_tbl_idx; i < max_chap_entries; i++) {
- chap_table = (struct ql4_chap_table *)ha->chap_list + i;
- if (chap_table->cookie !=
- cpu_to_le16(CHAP_VALID_COOKIE))
- continue;
- chap_rec->chap_tbl_idx = i;
- strlcpy(chap_rec->username, chap_table->name,
- ISCSI_CHAP_AUTH_NAME_MAX_LEN);
- strlcpy(chap_rec->password, chap_table->secret,
- QL4_CHAP_MAX_SECRET_LEN);
- chap_rec->password_length = chap_table->secret_len;
- if (chap_table->flags & BIT_7) /* local */
- chap_rec->chap_type = CHAP_TYPE_OUT;
- if (chap_table->flags & BIT_6) /* peer */
- chap_rec->chap_type = CHAP_TYPE_IN;
- chap_rec++;
- valid_chap_entries++;
- if (valid_chap_entries == *num_entries)
- break;
- }
- mutex_unlock(&ha->chap_sem);
- exit_get_chap_list:
- ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n",
- __func__, valid_chap_entries);
- *num_entries = valid_chap_entries;
- return ret;
- }
- static int __qla4xxx_is_chap_active(struct device *dev, void *data)
- {
- int ret = 0;
- uint16_t *chap_tbl_idx = (uint16_t *) data;
- struct iscsi_cls_session *cls_session;
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- if (!iscsi_is_session_dev(dev))
- goto exit_is_chap_active;
- cls_session = iscsi_dev_to_session(dev);
- sess = cls_session->dd_data;
- ddb_entry = sess->dd_data;
- if (iscsi_is_session_online(cls_session))
- goto exit_is_chap_active;
- if (ddb_entry->chap_tbl_idx == *chap_tbl_idx)
- ret = 1;
- exit_is_chap_active:
- return ret;
- }
- static int qla4xxx_is_chap_active(struct Scsi_Host *shost,
- uint16_t chap_tbl_idx)
- {
- int ret = 0;
- ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx,
- __qla4xxx_is_chap_active);
- return ret;
- }
- static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx)
- {
- struct scsi_qla_host *ha = to_qla_host(shost);
- struct ql4_chap_table *chap_table;
- dma_addr_t chap_dma;
- int max_chap_entries = 0;
- uint32_t offset = 0;
- uint32_t chap_size;
- int ret = 0;
- chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
- if (chap_table == NULL)
- return -ENOMEM;
- if (is_qla80XX(ha))
- max_chap_entries = (ha->hw.flt_chap_size / 2) /
- sizeof(struct ql4_chap_table);
- else
- max_chap_entries = MAX_CHAP_ENTRIES_40XX;
- if (chap_tbl_idx > max_chap_entries) {
- ret = -EINVAL;
- goto exit_delete_chap;
- }
- /* Check if chap index is in use.
- * If chap is in use don't delet chap entry */
- ret = qla4xxx_is_chap_active(shost, chap_tbl_idx);
- if (ret) {
- ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot "
- "delete from flash\n", chap_tbl_idx);
- ret = -EBUSY;
- goto exit_delete_chap;
- }
- chap_size = sizeof(struct ql4_chap_table);
- if (is_qla40XX(ha))
- offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size);
- else {
- offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
- /* flt_chap_size is CHAP table size for both ports
- * so divide it by 2 to calculate the offset for second port
- */
- if (ha->port_num == 1)
- offset += (ha->hw.flt_chap_size / 2);
- offset += (chap_tbl_idx * chap_size);
- }
- ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
- if (ret != QLA_SUCCESS) {
- ret = -EINVAL;
- goto exit_delete_chap;
- }
- DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
- __le16_to_cpu(chap_table->cookie)));
- if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
- ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
- goto exit_delete_chap;
- }
- chap_table->cookie = cpu_to_le16(0xFFFF);
- offset = FLASH_CHAP_OFFSET |
- (chap_tbl_idx * sizeof(struct ql4_chap_table));
- ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size,
- FLASH_OPT_RMW_COMMIT);
- if (ret == QLA_SUCCESS && ha->chap_list) {
- mutex_lock(&ha->chap_sem);
- /* Update ha chap_list cache */
- memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx,
- chap_table, sizeof(struct ql4_chap_table));
- mutex_unlock(&ha->chap_sem);
- }
- if (ret != QLA_SUCCESS)
- ret = -EINVAL;
- exit_delete_chap:
- dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
- return ret;
- }
- /**
- * qla4xxx_set_chap_entry - Make chap entry with given information
- * @shost: pointer to host
- * @data: chap info - credentials, index and type to make chap entry
- * @len: length of data
- *
- * Add or update chap entry with the given information
- **/
- static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len)
- {
- struct scsi_qla_host *ha = to_qla_host(shost);
- struct iscsi_chap_rec chap_rec;
- struct ql4_chap_table *chap_entry = NULL;
- struct iscsi_param_info *param_info;
- struct nlattr *attr;
- int max_chap_entries = 0;
- int type;
- int rem = len;
- int rc = 0;
- int size;
- memset(&chap_rec, 0, sizeof(chap_rec));
- nla_for_each_attr(attr, data, len, rem) {
- if (nla_len(attr) < sizeof(*param_info)) {
- rc = -EINVAL;
- goto exit_set_chap;
- }
- param_info = nla_data(attr);
- switch (param_info->param) {
- case ISCSI_CHAP_PARAM_INDEX:
- chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value;
- break;
- case ISCSI_CHAP_PARAM_CHAP_TYPE:
- chap_rec.chap_type = param_info->value[0];
- break;
- case ISCSI_CHAP_PARAM_USERNAME:
- size = min_t(size_t, sizeof(chap_rec.username),
- param_info->len);
- memcpy(chap_rec.username, param_info->value, size);
- break;
- case ISCSI_CHAP_PARAM_PASSWORD:
- size = min_t(size_t, sizeof(chap_rec.password),
- param_info->len);
- memcpy(chap_rec.password, param_info->value, size);
- break;
- case ISCSI_CHAP_PARAM_PASSWORD_LEN:
- chap_rec.password_length = param_info->value[0];
- break;
- default:
- ql4_printk(KERN_ERR, ha,
- "%s: No such sysfs attribute\n", __func__);
- rc = -ENOSYS;
- goto exit_set_chap;
- }
- }
- if (chap_rec.chap_type == CHAP_TYPE_IN)
- type = BIDI_CHAP;
- else
- type = LOCAL_CHAP;
- if (is_qla80XX(ha))
- max_chap_entries = (ha->hw.flt_chap_size / 2) /
- sizeof(struct ql4_chap_table);
- else
- max_chap_entries = MAX_CHAP_ENTRIES_40XX;
- mutex_lock(&ha->chap_sem);
- if (chap_rec.chap_tbl_idx < max_chap_entries) {
- rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx,
- &chap_entry);
- if (!rc) {
- if (!(type == qla4xxx_get_chap_type(chap_entry))) {
- ql4_printk(KERN_INFO, ha,
- "Type mismatch for CHAP entry %d\n",
- chap_rec.chap_tbl_idx);
- rc = -EINVAL;
- goto exit_unlock_chap;
- }
- /* If chap index is in use then don't modify it */
- rc = qla4xxx_is_chap_active(shost,
- chap_rec.chap_tbl_idx);
- if (rc) {
- ql4_printk(KERN_INFO, ha,
- "CHAP entry %d is in use\n",
- chap_rec.chap_tbl_idx);
- rc = -EBUSY;
- goto exit_unlock_chap;
- }
- }
- } else {
- rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx);
- if (rc) {
- ql4_printk(KERN_INFO, ha, "CHAP entry not available\n");
- rc = -EBUSY;
- goto exit_unlock_chap;
- }
- }
- rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password,
- chap_rec.chap_tbl_idx, type);
- exit_unlock_chap:
- mutex_unlock(&ha->chap_sem);
- exit_set_chap:
- return rc;
- }
- static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len)
- {
- struct scsi_qla_host *ha = to_qla_host(shost);
- struct iscsi_offload_host_stats *host_stats = NULL;
- int host_stats_size;
- int ret = 0;
- int ddb_idx = 0;
- struct ql_iscsi_stats *ql_iscsi_stats = NULL;
- int stats_size;
- dma_addr_t iscsi_stats_dma;
- DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__));
- host_stats_size = sizeof(struct iscsi_offload_host_stats);
- if (host_stats_size != len) {
- ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n",
- __func__, len, host_stats_size);
- ret = -EINVAL;
- goto exit_host_stats;
- }
- host_stats = (struct iscsi_offload_host_stats *)buf;
- if (!buf) {
- ret = -ENOMEM;
- goto exit_host_stats;
- }
- stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
- ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
- &iscsi_stats_dma, GFP_KERNEL);
- if (!ql_iscsi_stats) {
- ql4_printk(KERN_ERR, ha,
- "Unable to allocate memory for iscsi stats\n");
- ret = -ENOMEM;
- goto exit_host_stats;
- }
- ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size,
- iscsi_stats_dma);
- if (ret != QLA_SUCCESS) {
- ql4_printk(KERN_ERR, ha,
- "Unable to retrieve iscsi stats\n");
- ret = -EIO;
- goto exit_host_stats;
- }
- host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames);
- host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes);
- host_stats->mactx_multicast_frames =
- le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames);
- host_stats->mactx_broadcast_frames =
- le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames);
- host_stats->mactx_pause_frames =
- le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames);
- host_stats->mactx_control_frames =
- le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames);
- host_stats->mactx_deferral =
- le64_to_cpu(ql_iscsi_stats->mac_tx_deferral);
- host_stats->mactx_excess_deferral =
- le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral);
- host_stats->mactx_late_collision =
- le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision);
- host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort);
- host_stats->mactx_single_collision =
- le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision);
- host_stats->mactx_multiple_collision =
- le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision);
- host_stats->mactx_collision =
- le64_to_cpu(ql_iscsi_stats->mac_tx_collision);
- host_stats->mactx_frames_dropped =
- le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped);
- host_stats->mactx_jumbo_frames =
- le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames);
- host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames);
- host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes);
- host_stats->macrx_unknown_control_frames =
- le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames);
- host_stats->macrx_pause_frames =
- le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames);
- host_stats->macrx_control_frames =
- le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames);
- host_stats->macrx_dribble =
- le64_to_cpu(ql_iscsi_stats->mac_rx_dribble);
- host_stats->macrx_frame_length_error =
- le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error);
- host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber);
- host_stats->macrx_carrier_sense_error =
- le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error);
- host_stats->macrx_frame_discarded =
- le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded);
- host_stats->macrx_frames_dropped =
- le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped);
- host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error);
- host_stats->mac_encoding_error =
- le64_to_cpu(ql_iscsi_stats->mac_encoding_error);
- host_stats->macrx_length_error_large =
- le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large);
- host_stats->macrx_length_error_small =
- le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small);
- host_stats->macrx_multicast_frames =
- le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames);
- host_stats->macrx_broadcast_frames =
- le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames);
- host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets);
- host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes);
- host_stats->iptx_fragments =
- le64_to_cpu(ql_iscsi_stats->ip_tx_fragments);
- host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets);
- host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes);
- host_stats->iprx_fragments =
- le64_to_cpu(ql_iscsi_stats->ip_rx_fragments);
- host_stats->ip_datagram_reassembly =
- le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly);
- host_stats->ip_invalid_address_error =
- le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error);
- host_stats->ip_error_packets =
- le64_to_cpu(ql_iscsi_stats->ip_error_packets);
- host_stats->ip_fragrx_overlap =
- le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap);
- host_stats->ip_fragrx_outoforder =
- le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder);
- host_stats->ip_datagram_reassembly_timeout =
- le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout);
- host_stats->ipv6tx_packets =
- le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets);
- host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes);
- host_stats->ipv6tx_fragments =
- le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments);
- host_stats->ipv6rx_packets =
- le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets);
- host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes);
- host_stats->ipv6rx_fragments =
- le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments);
- host_stats->ipv6_datagram_reassembly =
- le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly);
- host_stats->ipv6_invalid_address_error =
- le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error);
- host_stats->ipv6_error_packets =
- le64_to_cpu(ql_iscsi_stats->ipv6_error_packets);
- host_stats->ipv6_fragrx_overlap =
- le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap);
- host_stats->ipv6_fragrx_outoforder =
- le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder);
- host_stats->ipv6_datagram_reassembly_timeout =
- le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout);
- host_stats->tcptx_segments =
- le64_to_cpu(ql_iscsi_stats->tcp_tx_segments);
- host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes);
- host_stats->tcprx_segments =
- le64_to_cpu(ql_iscsi_stats->tcp_rx_segments);
- host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte);
- host_stats->tcp_duplicate_ack_retx =
- le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx);
- host_stats->tcp_retx_timer_expired =
- le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired);
- host_stats->tcprx_duplicate_ack =
- le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack);
- host_stats->tcprx_pure_ackr =
- le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr);
- host_stats->tcptx_delayed_ack =
- le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack);
- host_stats->tcptx_pure_ack =
- le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack);
- host_stats->tcprx_segment_error =
- le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error);
- host_stats->tcprx_segment_outoforder =
- le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder);
- host_stats->tcprx_window_probe =
- le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe);
- host_stats->tcprx_window_update =
- le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update);
- host_stats->tcptx_window_probe_persist =
- le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist);
- host_stats->ecc_error_correction =
- le64_to_cpu(ql_iscsi_stats->ecc_error_correction);
- host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx);
- host_stats->iscsi_data_bytes_tx =
- le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx);
- host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx);
- host_stats->iscsi_data_bytes_rx =
- le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx);
- host_stats->iscsi_io_completed =
- le64_to_cpu(ql_iscsi_stats->iscsi_io_completed);
- host_stats->iscsi_unexpected_io_rx =
- le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx);
- host_stats->iscsi_format_error =
- le64_to_cpu(ql_iscsi_stats->iscsi_format_error);
- host_stats->iscsi_hdr_digest_error =
- le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error);
- host_stats->iscsi_data_digest_error =
- le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error);
- host_stats->iscsi_sequence_error =
- le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error);
- exit_host_stats:
- if (ql_iscsi_stats)
- dma_free_coherent(&ha->pdev->dev, stats_size,
- ql_iscsi_stats, iscsi_stats_dma);
- ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n",
- __func__);
- return ret;
- }
- static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
- enum iscsi_param_type param_type,
- int param, char *buf)
- {
- struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
- struct scsi_qla_host *ha = to_qla_host(shost);
- int ival;
- char *pval = NULL;
- int len = -ENOSYS;
- if (param_type == ISCSI_NET_PARAM) {
- switch (param) {
- case ISCSI_NET_PARAM_IPV4_ADDR:
- len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
- break;
- case ISCSI_NET_PARAM_IPV4_SUBNET:
- len = sprintf(buf, "%pI4\n",
- &ha->ip_config.subnet_mask);
- break;
- case ISCSI_NET_PARAM_IPV4_GW:
- len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway);
- break;
- case ISCSI_NET_PARAM_IFACE_ENABLE:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
- OP_STATE(ha->ip_config.ipv4_options,
- IPOPT_IPV4_PROTOCOL_ENABLE, pval);
- } else {
- OP_STATE(ha->ip_config.ipv6_options,
- IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval);
- }
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
- len = sprintf(buf, "%s\n",
- (ha->ip_config.tcp_options &
- TCPOPT_DHCP_ENABLE) ?
- "dhcp" : "static");
- break;
- case ISCSI_NET_PARAM_IPV6_ADDR:
- if (iface->iface_num == 0)
- len = sprintf(buf, "%pI6\n",
- &ha->ip_config.ipv6_addr0);
- if (iface->iface_num == 1)
- len = sprintf(buf, "%pI6\n",
- &ha->ip_config.ipv6_addr1);
- break;
- case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
- len = sprintf(buf, "%pI6\n",
- &ha->ip_config.ipv6_link_local_addr);
- break;
- case ISCSI_NET_PARAM_IPV6_ROUTER:
- len = sprintf(buf, "%pI6\n",
- &ha->ip_config.ipv6_default_router_addr);
- break;
- case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
- pval = (ha->ip_config.ipv6_addl_options &
- IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ?
- "nd" : "static";
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
- pval = (ha->ip_config.ipv6_addl_options &
- IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ?
- "auto" : "static";
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_VLAN_ID:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
- ival = ha->ip_config.ipv4_vlan_tag &
- ISCSI_MAX_VLAN_ID;
- else
- ival = ha->ip_config.ipv6_vlan_tag &
- ISCSI_MAX_VLAN_ID;
- len = sprintf(buf, "%d\n", ival);
- break;
- case ISCSI_NET_PARAM_VLAN_PRIORITY:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
- ival = (ha->ip_config.ipv4_vlan_tag >> 13) &
- ISCSI_MAX_VLAN_PRIORITY;
- else
- ival = (ha->ip_config.ipv6_vlan_tag >> 13) &
- ISCSI_MAX_VLAN_PRIORITY;
- len = sprintf(buf, "%d\n", ival);
- break;
- case ISCSI_NET_PARAM_VLAN_ENABLED:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
- OP_STATE(ha->ip_config.ipv4_options,
- IPOPT_VLAN_TAGGING_ENABLE, pval);
- } else {
- OP_STATE(ha->ip_config.ipv6_options,
- IPV6_OPT_VLAN_TAGGING_ENABLE, pval);
- }
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_MTU:
- len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size);
- break;
- case ISCSI_NET_PARAM_PORT:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
- len = sprintf(buf, "%d\n",
- ha->ip_config.ipv4_port);
- else
- len = sprintf(buf, "%d\n",
- ha->ip_config.ipv6_port);
- break;
- case ISCSI_NET_PARAM_IPADDR_STATE:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
- pval = iscsi_get_ipaddress_state_name(
- ha->ip_config.ipv4_addr_state);
- } else {
- if (iface->iface_num == 0)
- pval = iscsi_get_ipaddress_state_name(
- ha->ip_config.ipv6_addr0_state);
- else if (iface->iface_num == 1)
- pval = iscsi_get_ipaddress_state_name(
- ha->ip_config.ipv6_addr1_state);
- }
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE:
- pval = iscsi_get_ipaddress_state_name(
- ha->ip_config.ipv6_link_local_state);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV6_ROUTER_STATE:
- pval = iscsi_get_router_state_name(
- ha->ip_config.ipv6_default_router_state);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_DELAYED_ACK_EN:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
- OP_STATE(~ha->ip_config.tcp_options,
- TCPOPT_DELAYED_ACK_DISABLE, pval);
- } else {
- OP_STATE(~ha->ip_config.ipv6_tcp_options,
- IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval);
- }
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
- OP_STATE(~ha->ip_config.tcp_options,
- TCPOPT_NAGLE_ALGO_DISABLE, pval);
- } else {
- OP_STATE(~ha->ip_config.ipv6_tcp_options,
- IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval);
- }
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
- OP_STATE(~ha->ip_config.tcp_options,
- TCPOPT_WINDOW_SCALE_DISABLE, pval);
- } else {
- OP_STATE(~ha->ip_config.ipv6_tcp_options,
- IPV6_TCPOPT_WINDOW_SCALE_DISABLE,
- pval);
- }
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_TCP_WSF:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
- len = sprintf(buf, "%d\n",
- ha->ip_config.tcp_wsf);
- else
- len = sprintf(buf, "%d\n",
- ha->ip_config.ipv6_tcp_wsf);
- break;
- case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
- ival = (ha->ip_config.tcp_options &
- TCPOPT_TIMER_SCALE) >> 1;
- else
- ival = (ha->ip_config.ipv6_tcp_options &
- IPV6_TCPOPT_TIMER_SCALE) >> 1;
- len = sprintf(buf, "%d\n", ival);
- break;
- case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
- OP_STATE(ha->ip_config.tcp_options,
- TCPOPT_TIMESTAMP_ENABLE, pval);
- } else {
- OP_STATE(ha->ip_config.ipv6_tcp_options,
- IPV6_TCPOPT_TIMESTAMP_EN, pval);
- }
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_CACHE_ID:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
- len = sprintf(buf, "%d\n",
- ha->ip_config.ipv4_cache_id);
- else
- len = sprintf(buf, "%d\n",
- ha->ip_config.ipv6_cache_id);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
- OP_STATE(ha->ip_config.tcp_options,
- TCPOPT_DNS_SERVER_IP_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
- OP_STATE(ha->ip_config.tcp_options,
- TCPOPT_SLP_DA_INFO_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV4_TOS_EN:
- OP_STATE(ha->ip_config.ipv4_options,
- IPOPT_IPV4_TOS_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV4_TOS:
- len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos);
- break;
- case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
- OP_STATE(ha->ip_config.ipv4_options,
- IPOPT_GRAT_ARP_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
- OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN,
- pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
- pval = (ha->ip_config.ipv4_alt_cid_len) ?
- (char *)ha->ip_config.ipv4_alt_cid : "";
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
- OP_STATE(ha->ip_config.ipv4_options,
- IPOPT_REQ_VID_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
- OP_STATE(ha->ip_config.ipv4_options,
- IPOPT_USE_VID_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
- pval = (ha->ip_config.ipv4_vid_len) ?
- (char *)ha->ip_config.ipv4_vid : "";
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
- OP_STATE(ha->ip_config.ipv4_options,
- IPOPT_LEARN_IQN_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
- OP_STATE(~ha->ip_config.ipv4_options,
- IPOPT_FRAGMENTATION_DISABLE, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
- OP_STATE(ha->ip_config.ipv4_options,
- IPOPT_IN_FORWARD_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_REDIRECT_EN:
- if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
- OP_STATE(ha->ip_config.ipv4_options,
- IPOPT_ARP_REDIRECT_EN, pval);
- } else {
- OP_STATE(ha->ip_config.ipv6_options,
- IPV6_OPT_REDIRECT_EN, pval);
- }
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV4_TTL:
- len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl);
- break;
- case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
- OP_STATE(ha->ip_config.ipv6_options,
- IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV6_MLD_EN:
- OP_STATE(ha->ip_config.ipv6_addl_options,
- IPV6_ADDOPT_MLD_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
- len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl);
- break;
- case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
- len = sprintf(buf, "%d\n",
- ha->ip_config.ipv6_traffic_class);
- break;
- case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
- len = sprintf(buf, "%d\n",
- ha->ip_config.ipv6_hop_limit);
- break;
- case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
- len = sprintf(buf, "%d\n",
- ha->ip_config.ipv6_nd_reach_time);
- break;
- case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
- len = sprintf(buf, "%d\n",
- ha->ip_config.ipv6_nd_rexmit_timer);
- break;
- case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
- len = sprintf(buf, "%d\n",
- ha->ip_config.ipv6_nd_stale_timeout);
- break;
- case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
- len = sprintf(buf, "%d\n",
- ha->ip_config.ipv6_dup_addr_detect_count);
- break;
- case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
- len = sprintf(buf, "%d\n",
- ha->ip_config.ipv6_gw_advrt_mtu);
- break;
- default:
- len = -ENOSYS;
- }
- } else if (param_type == ISCSI_IFACE_PARAM) {
- switch (param) {
- case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
- len = sprintf(buf, "%d\n", ha->ip_config.def_timeout);
- break;
- case ISCSI_IFACE_PARAM_HDRDGST_EN:
- OP_STATE(ha->ip_config.iscsi_options,
- ISCSIOPTS_HEADER_DIGEST_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_IFACE_PARAM_DATADGST_EN:
- OP_STATE(ha->ip_config.iscsi_options,
- ISCSIOPTS_DATA_DIGEST_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_IFACE_PARAM_IMM_DATA_EN:
- OP_STATE(ha->ip_config.iscsi_options,
- ISCSIOPTS_IMMEDIATE_DATA_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
- OP_STATE(ha->ip_config.iscsi_options,
- ISCSIOPTS_INITIAL_R2T_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
- OP_STATE(ha->ip_config.iscsi_options,
- ISCSIOPTS_DATA_SEQ_INORDER_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
- OP_STATE(ha->ip_config.iscsi_options,
- ISCSIOPTS_DATA_PDU_INORDER_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_IFACE_PARAM_ERL:
- len = sprintf(buf, "%d\n",
- (ha->ip_config.iscsi_options &
- ISCSIOPTS_ERL));
- break;
- case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
- len = sprintf(buf, "%u\n",
- ha->ip_config.iscsi_max_pdu_size *
- BYTE_UNITS);
- break;
- case ISCSI_IFACE_PARAM_FIRST_BURST:
- len = sprintf(buf, "%u\n",
- ha->ip_config.iscsi_first_burst_len *
- BYTE_UNITS);
- break;
- case ISCSI_IFACE_PARAM_MAX_R2T:
- len = sprintf(buf, "%d\n",
- ha->ip_config.iscsi_max_outstnd_r2t);
- break;
- case ISCSI_IFACE_PARAM_MAX_BURST:
- len = sprintf(buf, "%u\n",
- ha->ip_config.iscsi_max_burst_len *
- BYTE_UNITS);
- break;
- case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
- OP_STATE(ha->ip_config.iscsi_options,
- ISCSIOPTS_CHAP_AUTH_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
- OP_STATE(ha->ip_config.iscsi_options,
- ISCSIOPTS_BIDI_CHAP_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
- OP_STATE(ha->ip_config.iscsi_options,
- ISCSIOPTS_DISCOVERY_AUTH_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
- OP_STATE(ha->ip_config.iscsi_options,
- ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
- OP_STATE(ha->ip_config.iscsi_options,
- ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval);
- len = sprintf(buf, "%s\n", pval);
- break;
- case ISCSI_IFACE_PARAM_INITIATOR_NAME:
- len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name);
- break;
- default:
- len = -ENOSYS;
- }
- }
- return len;
- }
- static struct iscsi_endpoint *
- qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
- int non_blocking)
- {
- int ret;
- struct iscsi_endpoint *ep;
- struct qla_endpoint *qla_ep;
- struct scsi_qla_host *ha;
- struct sockaddr_in *addr;
- struct sockaddr_in6 *addr6;
- if (!shost) {
- ret = -ENXIO;
- pr_err("%s: shost is NULL\n", __func__);
- return ERR_PTR(ret);
- }
- ha = iscsi_host_priv(shost);
- ep = iscsi_create_endpoint(sizeof(struct qla_endpoint));
- if (!ep) {
- ret = -ENOMEM;
- return ERR_PTR(ret);
- }
- qla_ep = ep->dd_data;
- memset(qla_ep, 0, sizeof(struct qla_endpoint));
- if (dst_addr->sa_family == AF_INET) {
- memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in));
- addr = (struct sockaddr_in *)&qla_ep->dst_addr;
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__,
- (char *)&addr->sin_addr));
- } else if (dst_addr->sa_family == AF_INET6) {
- memcpy(&qla_ep->dst_addr, dst_addr,
- sizeof(struct sockaddr_in6));
- addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr;
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__,
- (char *)&addr6->sin6_addr));
- } else {
- ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n",
- __func__);
- }
- qla_ep->host = shost;
- return ep;
- }
- static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
- {
- struct qla_endpoint *qla_ep;
- struct scsi_qla_host *ha;
- int ret = 0;
- qla_ep = ep->dd_data;
- ha = to_qla_host(qla_ep->host);
- DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no));
- if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
- ret = 1;
- return ret;
- }
- static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep)
- {
- struct qla_endpoint *qla_ep;
- struct scsi_qla_host *ha;
- qla_ep = ep->dd_data;
- ha = to_qla_host(qla_ep->host);
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
- ha->host_no));
- iscsi_destroy_endpoint(ep);
- }
- static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
- enum iscsi_param param,
- char *buf)
- {
- struct qla_endpoint *qla_ep = ep->dd_data;
- struct sockaddr *dst_addr;
- struct scsi_qla_host *ha;
- if (!qla_ep)
- return -ENOTCONN;
- ha = to_qla_host(qla_ep->host);
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
- ha->host_no));
- switch (param) {
- case ISCSI_PARAM_CONN_PORT:
- case ISCSI_PARAM_CONN_ADDRESS:
- dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
- if (!dst_addr)
- return -ENOTCONN;
- return iscsi_conn_get_addr_param((struct sockaddr_storage *)
- &qla_ep->dst_addr, param, buf);
- default:
- return -ENOSYS;
- }
- }
- static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
- struct iscsi_stats *stats)
- {
- struct iscsi_session *sess;
- struct iscsi_cls_session *cls_sess;
- struct ddb_entry *ddb_entry;
- struct scsi_qla_host *ha;
- struct ql_iscsi_stats *ql_iscsi_stats;
- int stats_size;
- int ret;
- dma_addr_t iscsi_stats_dma;
- cls_sess = iscsi_conn_to_session(cls_conn);
- sess = cls_sess->dd_data;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
- ha->host_no));
- stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
- /* Allocate memory */
- ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
- &iscsi_stats_dma, GFP_KERNEL);
- if (!ql_iscsi_stats) {
- ql4_printk(KERN_ERR, ha,
- "Unable to allocate memory for iscsi stats\n");
- goto exit_get_stats;
- }
- ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size,
- iscsi_stats_dma);
- if (ret != QLA_SUCCESS) {
- ql4_printk(KERN_ERR, ha,
- "Unable to retrieve iscsi stats\n");
- goto free_stats;
- }
- /* octets */
- stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets);
- stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets);
- /* xmit pdus */
- stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus);
- stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus);
- stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus);
- stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus);
- stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus);
- stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus);
- stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus);
- stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus);
- /* recv pdus */
- stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus);
- stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus);
- stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus);
- stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus);
- stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus);
- stats->logoutrsp_pdus =
- le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus);
- stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus);
- stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus);
- stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus);
- free_stats:
- dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats,
- iscsi_stats_dma);
- exit_get_stats:
- return;
- }
- static enum scsi_timeout_action qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
- {
- struct iscsi_cls_session *session;
- unsigned long flags;
- enum scsi_timeout_action ret = SCSI_EH_NOT_HANDLED;
- session = starget_to_session(scsi_target(sc->device));
- spin_lock_irqsave(&session->lock, flags);
- if (session->state == ISCSI_SESSION_FAILED)
- ret = SCSI_EH_RESET_TIMER;
- spin_unlock_irqrestore(&session->lock, flags);
- return ret;
- }
- static void qla4xxx_set_port_speed(struct Scsi_Host *shost)
- {
- struct scsi_qla_host *ha = to_qla_host(shost);
- struct iscsi_cls_host *ihost = shost->shost_data;
- uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN;
- qla4xxx_get_firmware_state(ha);
- switch (ha->addl_fw_state & 0x0F00) {
- case FW_ADDSTATE_LINK_SPEED_10MBPS:
- speed = ISCSI_PORT_SPEED_10MBPS;
- break;
- case FW_ADDSTATE_LINK_SPEED_100MBPS:
- speed = ISCSI_PORT_SPEED_100MBPS;
- break;
- case FW_ADDSTATE_LINK_SPEED_1GBPS:
- speed = ISCSI_PORT_SPEED_1GBPS;
- break;
- case FW_ADDSTATE_LINK_SPEED_10GBPS:
- speed = ISCSI_PORT_SPEED_10GBPS;
- break;
- }
- ihost->port_speed = speed;
- }
- static void qla4xxx_set_port_state(struct Scsi_Host *shost)
- {
- struct scsi_qla_host *ha = to_qla_host(shost);
- struct iscsi_cls_host *ihost = shost->shost_data;
- uint32_t state = ISCSI_PORT_STATE_DOWN;
- if (test_bit(AF_LINK_UP, &ha->flags))
- state = ISCSI_PORT_STATE_UP;
- ihost->port_state = state;
- }
- static int qla4xxx_host_get_param(struct Scsi_Host *shost,
- enum iscsi_host_param param, char *buf)
- {
- struct scsi_qla_host *ha = to_qla_host(shost);
- int len;
- switch (param) {
- case ISCSI_HOST_PARAM_HWADDRESS:
- len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN);
- break;
- case ISCSI_HOST_PARAM_IPADDRESS:
- len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
- break;
- case ISCSI_HOST_PARAM_INITIATOR_NAME:
- len = sprintf(buf, "%s\n", ha->name_string);
- break;
- case ISCSI_HOST_PARAM_PORT_STATE:
- qla4xxx_set_port_state(shost);
- len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
- break;
- case ISCSI_HOST_PARAM_PORT_SPEED:
- qla4xxx_set_port_speed(shost);
- len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
- break;
- default:
- return -ENOSYS;
- }
- return len;
- }
- static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha)
- {
- if (ha->iface_ipv4)
- return;
- /* IPv4 */
- ha->iface_ipv4 = iscsi_create_iface(ha->host,
- &qla4xxx_iscsi_transport,
- ISCSI_IFACE_TYPE_IPV4, 0, 0);
- if (!ha->iface_ipv4)
- ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI "
- "iface0.\n");
- }
- static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha)
- {
- if (!ha->iface_ipv6_0)
- /* IPv6 iface-0 */
- ha->iface_ipv6_0 = iscsi_create_iface(ha->host,
- &qla4xxx_iscsi_transport,
- ISCSI_IFACE_TYPE_IPV6, 0,
- 0);
- if (!ha->iface_ipv6_0)
- ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
- "iface0.\n");
- if (!ha->iface_ipv6_1)
- /* IPv6 iface-1 */
- ha->iface_ipv6_1 = iscsi_create_iface(ha->host,
- &qla4xxx_iscsi_transport,
- ISCSI_IFACE_TYPE_IPV6, 1,
- 0);
- if (!ha->iface_ipv6_1)
- ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
- "iface1.\n");
- }
- static void qla4xxx_create_ifaces(struct scsi_qla_host *ha)
- {
- if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE)
- qla4xxx_create_ipv4_iface(ha);
- if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE)
- qla4xxx_create_ipv6_iface(ha);
- }
- static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha)
- {
- if (ha->iface_ipv4) {
- iscsi_destroy_iface(ha->iface_ipv4);
- ha->iface_ipv4 = NULL;
- }
- }
- static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha)
- {
- if (ha->iface_ipv6_0) {
- iscsi_destroy_iface(ha->iface_ipv6_0);
- ha->iface_ipv6_0 = NULL;
- }
- if (ha->iface_ipv6_1) {
- iscsi_destroy_iface(ha->iface_ipv6_1);
- ha->iface_ipv6_1 = NULL;
- }
- }
- static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha)
- {
- qla4xxx_destroy_ipv4_iface(ha);
- qla4xxx_destroy_ipv6_iface(ha);
- }
- static void qla4xxx_set_ipv6(struct scsi_qla_host *ha,
- struct iscsi_iface_param_info *iface_param,
- struct addr_ctrl_blk *init_fw_cb)
- {
- /*
- * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg.
- * iface_num 1 is valid only for IPv6 Addr.
- */
- switch (iface_param->param) {
- case ISCSI_NET_PARAM_IPV6_ADDR:
- if (iface_param->iface_num & 0x1)
- /* IPv6 Addr 1 */
- memcpy(init_fw_cb->ipv6_addr1, iface_param->value,
- sizeof(init_fw_cb->ipv6_addr1));
- else
- /* IPv6 Addr 0 */
- memcpy(init_fw_cb->ipv6_addr0, iface_param->value,
- sizeof(init_fw_cb->ipv6_addr0));
- break;
- case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
- if (iface_param->iface_num & 0x1)
- break;
- memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8],
- sizeof(init_fw_cb->ipv6_if_id));
- break;
- case ISCSI_NET_PARAM_IPV6_ROUTER:
- if (iface_param->iface_num & 0x1)
- break;
- memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value,
- sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
- break;
- case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
- /* Autocfg applies to even interface */
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE)
- init_fw_cb->ipv6_addtl_opts &=
- cpu_to_le16(
- ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
- else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE)
- init_fw_cb->ipv6_addtl_opts |=
- cpu_to_le16(
- IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
- else
- ql4_printk(KERN_ERR, ha,
- "Invalid autocfg setting for IPv6 addr\n");
- break;
- case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
- /* Autocfg applies to even interface */
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] ==
- ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE)
- init_fw_cb->ipv6_addtl_opts |= cpu_to_le16(
- IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
- else if (iface_param->value[0] ==
- ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE)
- init_fw_cb->ipv6_addtl_opts &= cpu_to_le16(
- ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
- else
- ql4_printk(KERN_ERR, ha,
- "Invalid autocfg setting for IPv6 linklocal addr\n");
- break;
- case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG:
- /* Autocfg applies to even interface */
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE)
- memset(init_fw_cb->ipv6_dflt_rtr_addr, 0,
- sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
- break;
- case ISCSI_NET_PARAM_IFACE_ENABLE:
- if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
- init_fw_cb->ipv6_opts |=
- cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE);
- qla4xxx_create_ipv6_iface(ha);
- } else {
- init_fw_cb->ipv6_opts &=
- cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE &
- 0xFFFF);
- qla4xxx_destroy_ipv6_iface(ha);
- }
- break;
- case ISCSI_NET_PARAM_VLAN_TAG:
- if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag))
- break;
- init_fw_cb->ipv6_vlan_tag =
- cpu_to_be16(*(uint16_t *)iface_param->value);
- break;
- case ISCSI_NET_PARAM_VLAN_ENABLED:
- if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
- init_fw_cb->ipv6_opts |=
- cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE);
- else
- init_fw_cb->ipv6_opts &=
- cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE);
- break;
- case ISCSI_NET_PARAM_MTU:
- init_fw_cb->eth_mtu_size =
- cpu_to_le16(*(uint16_t *)iface_param->value);
- break;
- case ISCSI_NET_PARAM_PORT:
- /* Autocfg applies to even interface */
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv6_port =
- cpu_to_le16(*(uint16_t *)iface_param->value);
- break;
- case ISCSI_NET_PARAM_DELAYED_ACK_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
- init_fw_cb->ipv6_tcp_opts |=
- cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE);
- else
- init_fw_cb->ipv6_tcp_opts &=
- cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE &
- 0xFFFF);
- break;
- case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
- init_fw_cb->ipv6_tcp_opts |=
- cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE);
- else
- init_fw_cb->ipv6_tcp_opts &=
- cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE);
- break;
- case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
- init_fw_cb->ipv6_tcp_opts |=
- cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE);
- else
- init_fw_cb->ipv6_tcp_opts &=
- cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE);
- break;
- case ISCSI_NET_PARAM_TCP_WSF:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv6_tcp_wsf = iface_param->value[0];
- break;
- case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv6_tcp_opts &=
- cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE);
- init_fw_cb->ipv6_tcp_opts |=
- cpu_to_le16((iface_param->value[0] << 1) &
- IPV6_TCPOPT_TIMER_SCALE);
- break;
- case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv6_tcp_opts |=
- cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN);
- else
- init_fw_cb->ipv6_tcp_opts &=
- cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN);
- break;
- case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv6_opts |=
- cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN);
- else
- init_fw_cb->ipv6_opts &=
- cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN);
- break;
- case ISCSI_NET_PARAM_REDIRECT_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv6_opts |=
- cpu_to_le16(IPV6_OPT_REDIRECT_EN);
- else
- init_fw_cb->ipv6_opts &=
- cpu_to_le16(~IPV6_OPT_REDIRECT_EN);
- break;
- case ISCSI_NET_PARAM_IPV6_MLD_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv6_addtl_opts |=
- cpu_to_le16(IPV6_ADDOPT_MLD_EN);
- else
- init_fw_cb->ipv6_addtl_opts &=
- cpu_to_le16(~IPV6_ADDOPT_MLD_EN);
- break;
- case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv6_flow_lbl =
- cpu_to_le16(*(uint16_t *)iface_param->value);
- break;
- case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv6_traffic_class = iface_param->value[0];
- break;
- case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv6_hop_limit = iface_param->value[0];
- break;
- case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv6_nd_reach_time =
- cpu_to_le32(*(uint32_t *)iface_param->value);
- break;
- case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv6_nd_rexmit_timer =
- cpu_to_le32(*(uint32_t *)iface_param->value);
- break;
- case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv6_nd_stale_timeout =
- cpu_to_le32(*(uint32_t *)iface_param->value);
- break;
- case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0];
- break;
- case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv6_gw_advrt_mtu =
- cpu_to_le32(*(uint32_t *)iface_param->value);
- break;
- default:
- ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n",
- iface_param->param);
- break;
- }
- }
- static void qla4xxx_set_ipv4(struct scsi_qla_host *ha,
- struct iscsi_iface_param_info *iface_param,
- struct addr_ctrl_blk *init_fw_cb)
- {
- switch (iface_param->param) {
- case ISCSI_NET_PARAM_IPV4_ADDR:
- memcpy(init_fw_cb->ipv4_addr, iface_param->value,
- sizeof(init_fw_cb->ipv4_addr));
- break;
- case ISCSI_NET_PARAM_IPV4_SUBNET:
- memcpy(init_fw_cb->ipv4_subnet, iface_param->value,
- sizeof(init_fw_cb->ipv4_subnet));
- break;
- case ISCSI_NET_PARAM_IPV4_GW:
- memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value,
- sizeof(init_fw_cb->ipv4_gw_addr));
- break;
- case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
- if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP)
- init_fw_cb->ipv4_tcp_opts |=
- cpu_to_le16(TCPOPT_DHCP_ENABLE);
- else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC)
- init_fw_cb->ipv4_tcp_opts &=
- cpu_to_le16(~TCPOPT_DHCP_ENABLE);
- else
- ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n");
- break;
- case ISCSI_NET_PARAM_IFACE_ENABLE:
- if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
- init_fw_cb->ipv4_ip_opts |=
- cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE);
- qla4xxx_create_ipv4_iface(ha);
- } else {
- init_fw_cb->ipv4_ip_opts &=
- cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE &
- 0xFFFF);
- qla4xxx_destroy_ipv4_iface(ha);
- }
- break;
- case ISCSI_NET_PARAM_VLAN_TAG:
- if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag))
- break;
- init_fw_cb->ipv4_vlan_tag =
- cpu_to_be16(*(uint16_t *)iface_param->value);
- break;
- case ISCSI_NET_PARAM_VLAN_ENABLED:
- if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
- init_fw_cb->ipv4_ip_opts |=
- cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE);
- else
- init_fw_cb->ipv4_ip_opts &=
- cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE);
- break;
- case ISCSI_NET_PARAM_MTU:
- init_fw_cb->eth_mtu_size =
- cpu_to_le16(*(uint16_t *)iface_param->value);
- break;
- case ISCSI_NET_PARAM_PORT:
- init_fw_cb->ipv4_port =
- cpu_to_le16(*(uint16_t *)iface_param->value);
- break;
- case ISCSI_NET_PARAM_DELAYED_ACK_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
- init_fw_cb->ipv4_tcp_opts |=
- cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE);
- else
- init_fw_cb->ipv4_tcp_opts &=
- cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE &
- 0xFFFF);
- break;
- case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
- init_fw_cb->ipv4_tcp_opts |=
- cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE);
- else
- init_fw_cb->ipv4_tcp_opts &=
- cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE);
- break;
- case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
- init_fw_cb->ipv4_tcp_opts |=
- cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE);
- else
- init_fw_cb->ipv4_tcp_opts &=
- cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE);
- break;
- case ISCSI_NET_PARAM_TCP_WSF:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv4_tcp_wsf = iface_param->value[0];
- break;
- case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE);
- init_fw_cb->ipv4_tcp_opts |=
- cpu_to_le16((iface_param->value[0] << 1) &
- TCPOPT_TIMER_SCALE);
- break;
- case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv4_tcp_opts |=
- cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE);
- else
- init_fw_cb->ipv4_tcp_opts &=
- cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv4_tcp_opts |=
- cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN);
- else
- init_fw_cb->ipv4_tcp_opts &=
- cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv4_tcp_opts |=
- cpu_to_le16(TCPOPT_SLP_DA_INFO_EN);
- else
- init_fw_cb->ipv4_tcp_opts &=
- cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN);
- break;
- case ISCSI_NET_PARAM_IPV4_TOS_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv4_ip_opts |=
- cpu_to_le16(IPOPT_IPV4_TOS_EN);
- else
- init_fw_cb->ipv4_ip_opts &=
- cpu_to_le16(~IPOPT_IPV4_TOS_EN);
- break;
- case ISCSI_NET_PARAM_IPV4_TOS:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv4_tos = iface_param->value[0];
- break;
- case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv4_ip_opts |=
- cpu_to_le16(IPOPT_GRAT_ARP_EN);
- else
- init_fw_cb->ipv4_ip_opts &=
- cpu_to_le16(~IPOPT_GRAT_ARP_EN);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv4_ip_opts |=
- cpu_to_le16(IPOPT_ALT_CID_EN);
- else
- init_fw_cb->ipv4_ip_opts &=
- cpu_to_le16(~IPOPT_ALT_CID_EN);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
- if (iface_param->iface_num & 0x1)
- break;
- memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value,
- (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1));
- init_fw_cb->ipv4_dhcp_alt_cid_len =
- strlen(init_fw_cb->ipv4_dhcp_alt_cid);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv4_ip_opts |=
- cpu_to_le16(IPOPT_REQ_VID_EN);
- else
- init_fw_cb->ipv4_ip_opts &=
- cpu_to_le16(~IPOPT_REQ_VID_EN);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv4_ip_opts |=
- cpu_to_le16(IPOPT_USE_VID_EN);
- else
- init_fw_cb->ipv4_ip_opts &=
- cpu_to_le16(~IPOPT_USE_VID_EN);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
- if (iface_param->iface_num & 0x1)
- break;
- memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value,
- (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1));
- init_fw_cb->ipv4_dhcp_vid_len =
- strlen(init_fw_cb->ipv4_dhcp_vid);
- break;
- case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv4_ip_opts |=
- cpu_to_le16(IPOPT_LEARN_IQN_EN);
- else
- init_fw_cb->ipv4_ip_opts &=
- cpu_to_le16(~IPOPT_LEARN_IQN_EN);
- break;
- case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
- init_fw_cb->ipv4_ip_opts |=
- cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE);
- else
- init_fw_cb->ipv4_ip_opts &=
- cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE);
- break;
- case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv4_ip_opts |=
- cpu_to_le16(IPOPT_IN_FORWARD_EN);
- else
- init_fw_cb->ipv4_ip_opts &=
- cpu_to_le16(~IPOPT_IN_FORWARD_EN);
- break;
- case ISCSI_NET_PARAM_REDIRECT_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->ipv4_ip_opts |=
- cpu_to_le16(IPOPT_ARP_REDIRECT_EN);
- else
- init_fw_cb->ipv4_ip_opts &=
- cpu_to_le16(~IPOPT_ARP_REDIRECT_EN);
- break;
- case ISCSI_NET_PARAM_IPV4_TTL:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->ipv4_ttl = iface_param->value[0];
- break;
- default:
- ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n",
- iface_param->param);
- break;
- }
- }
- static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha,
- struct iscsi_iface_param_info *iface_param,
- struct addr_ctrl_blk *init_fw_cb)
- {
- switch (iface_param->param) {
- case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->def_timeout =
- cpu_to_le16(*(uint16_t *)iface_param->value);
- break;
- case ISCSI_IFACE_PARAM_HDRDGST_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->iscsi_opts |=
- cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN);
- else
- init_fw_cb->iscsi_opts &=
- cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN);
- break;
- case ISCSI_IFACE_PARAM_DATADGST_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->iscsi_opts |=
- cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN);
- else
- init_fw_cb->iscsi_opts &=
- cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN);
- break;
- case ISCSI_IFACE_PARAM_IMM_DATA_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->iscsi_opts |=
- cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN);
- else
- init_fw_cb->iscsi_opts &=
- cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN);
- break;
- case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->iscsi_opts |=
- cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN);
- else
- init_fw_cb->iscsi_opts &=
- cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN);
- break;
- case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->iscsi_opts |=
- cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN);
- else
- init_fw_cb->iscsi_opts &=
- cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN);
- break;
- case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->iscsi_opts |=
- cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN);
- else
- init_fw_cb->iscsi_opts &=
- cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN);
- break;
- case ISCSI_IFACE_PARAM_ERL:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL);
- init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] &
- ISCSIOPTS_ERL);
- break;
- case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->iscsi_max_pdu_size =
- cpu_to_le32(*(uint32_t *)iface_param->value) /
- BYTE_UNITS;
- break;
- case ISCSI_IFACE_PARAM_FIRST_BURST:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->iscsi_fburst_len =
- cpu_to_le32(*(uint32_t *)iface_param->value) /
- BYTE_UNITS;
- break;
- case ISCSI_IFACE_PARAM_MAX_R2T:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->iscsi_max_outstnd_r2t =
- cpu_to_le16(*(uint16_t *)iface_param->value);
- break;
- case ISCSI_IFACE_PARAM_MAX_BURST:
- if (iface_param->iface_num & 0x1)
- break;
- init_fw_cb->iscsi_max_burst_len =
- cpu_to_le32(*(uint32_t *)iface_param->value) /
- BYTE_UNITS;
- break;
- case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->iscsi_opts |=
- cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN);
- else
- init_fw_cb->iscsi_opts &=
- cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN);
- break;
- case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->iscsi_opts |=
- cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN);
- else
- init_fw_cb->iscsi_opts &=
- cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN);
- break;
- case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->iscsi_opts |=
- cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN);
- else
- init_fw_cb->iscsi_opts &=
- cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN);
- break;
- case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->iscsi_opts |=
- cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN);
- else
- init_fw_cb->iscsi_opts &=
- cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN);
- break;
- case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
- if (iface_param->iface_num & 0x1)
- break;
- if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
- init_fw_cb->iscsi_opts |=
- cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN);
- else
- init_fw_cb->iscsi_opts &=
- cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN);
- break;
- default:
- ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n",
- iface_param->param);
- break;
- }
- }
- static void
- qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb)
- {
- struct addr_ctrl_blk_def *acb;
- acb = (struct addr_ctrl_blk_def *)init_fw_cb;
- memset(acb->reserved1, 0, sizeof(acb->reserved1));
- memset(acb->reserved2, 0, sizeof(acb->reserved2));
- memset(acb->reserved3, 0, sizeof(acb->reserved3));
- memset(acb->reserved4, 0, sizeof(acb->reserved4));
- memset(acb->reserved5, 0, sizeof(acb->reserved5));
- memset(acb->reserved6, 0, sizeof(acb->reserved6));
- memset(acb->reserved7, 0, sizeof(acb->reserved7));
- memset(acb->reserved8, 0, sizeof(acb->reserved8));
- memset(acb->reserved9, 0, sizeof(acb->reserved9));
- memset(acb->reserved10, 0, sizeof(acb->reserved10));
- memset(acb->reserved11, 0, sizeof(acb->reserved11));
- memset(acb->reserved12, 0, sizeof(acb->reserved12));
- memset(acb->reserved13, 0, sizeof(acb->reserved13));
- memset(acb->reserved14, 0, sizeof(acb->reserved14));
- memset(acb->reserved15, 0, sizeof(acb->reserved15));
- }
- static int
- qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len)
- {
- struct scsi_qla_host *ha = to_qla_host(shost);
- int rval = 0;
- struct iscsi_iface_param_info *iface_param = NULL;
- struct addr_ctrl_blk *init_fw_cb = NULL;
- dma_addr_t init_fw_cb_dma;
- uint32_t mbox_cmd[MBOX_REG_COUNT];
- uint32_t mbox_sts[MBOX_REG_COUNT];
- uint32_t rem = len;
- struct nlattr *attr;
- init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
- sizeof(struct addr_ctrl_blk),
- &init_fw_cb_dma, GFP_KERNEL);
- if (!init_fw_cb) {
- ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n",
- __func__);
- return -ENOMEM;
- }
- memset(&mbox_cmd, 0, sizeof(mbox_cmd));
- memset(&mbox_sts, 0, sizeof(mbox_sts));
- if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) {
- ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__);
- rval = -EIO;
- goto exit_init_fw_cb;
- }
- nla_for_each_attr(attr, data, len, rem) {
- if (nla_len(attr) < sizeof(*iface_param)) {
- rval = -EINVAL;
- goto exit_init_fw_cb;
- }
- iface_param = nla_data(attr);
- if (iface_param->param_type == ISCSI_NET_PARAM) {
- switch (iface_param->iface_type) {
- case ISCSI_IFACE_TYPE_IPV4:
- switch (iface_param->iface_num) {
- case 0:
- qla4xxx_set_ipv4(ha, iface_param,
- init_fw_cb);
- break;
- default:
- /* Cannot have more than one IPv4 interface */
- ql4_printk(KERN_ERR, ha,
- "Invalid IPv4 iface number = %d\n",
- iface_param->iface_num);
- break;
- }
- break;
- case ISCSI_IFACE_TYPE_IPV6:
- switch (iface_param->iface_num) {
- case 0:
- case 1:
- qla4xxx_set_ipv6(ha, iface_param,
- init_fw_cb);
- break;
- default:
- /* Cannot have more than two IPv6 interface */
- ql4_printk(KERN_ERR, ha,
- "Invalid IPv6 iface number = %d\n",
- iface_param->iface_num);
- break;
- }
- break;
- default:
- ql4_printk(KERN_ERR, ha,
- "Invalid iface type\n");
- break;
- }
- } else if (iface_param->param_type == ISCSI_IFACE_PARAM) {
- qla4xxx_set_iscsi_param(ha, iface_param,
- init_fw_cb);
- } else {
- continue;
- }
- }
- init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A);
- rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB,
- sizeof(struct addr_ctrl_blk),
- FLASH_OPT_RMW_COMMIT);
- if (rval != QLA_SUCCESS) {
- ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n",
- __func__);
- rval = -EIO;
- goto exit_init_fw_cb;
- }
- rval = qla4xxx_disable_acb(ha);
- if (rval != QLA_SUCCESS) {
- ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n",
- __func__);
- rval = -EIO;
- goto exit_init_fw_cb;
- }
- wait_for_completion_timeout(&ha->disable_acb_comp,
- DISABLE_ACB_TOV * HZ);
- qla4xxx_initcb_to_acb(init_fw_cb);
- rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma);
- if (rval != QLA_SUCCESS) {
- ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n",
- __func__);
- rval = -EIO;
- goto exit_init_fw_cb;
- }
- memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
- qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb,
- init_fw_cb_dma);
- exit_init_fw_cb:
- dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
- init_fw_cb, init_fw_cb_dma);
- return rval;
- }
- static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
- enum iscsi_param param, char *buf)
- {
- struct iscsi_session *sess = cls_sess->dd_data;
- struct ddb_entry *ddb_entry = sess->dd_data;
- struct scsi_qla_host *ha = ddb_entry->ha;
- struct iscsi_cls_conn *cls_conn = ddb_entry->conn;
- struct ql4_chap_table chap_tbl;
- int rval, len;
- uint16_t idx;
- memset(&chap_tbl, 0, sizeof(chap_tbl));
- switch (param) {
- case ISCSI_PARAM_CHAP_IN_IDX:
- rval = qla4xxx_get_chap_index(ha, sess->username_in,
- sess->password_in, BIDI_CHAP,
- &idx);
- if (rval)
- len = sprintf(buf, "\n");
- else
- len = sprintf(buf, "%hu\n", idx);
- break;
- case ISCSI_PARAM_CHAP_OUT_IDX:
- if (ddb_entry->ddb_type == FLASH_DDB) {
- if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
- idx = ddb_entry->chap_tbl_idx;
- rval = QLA_SUCCESS;
- } else {
- rval = QLA_ERROR;
- }
- } else {
- rval = qla4xxx_get_chap_index(ha, sess->username,
- sess->password,
- LOCAL_CHAP, &idx);
- }
- if (rval)
- len = sprintf(buf, "\n");
- else
- len = sprintf(buf, "%hu\n", idx);
- break;
- case ISCSI_PARAM_USERNAME:
- case ISCSI_PARAM_PASSWORD:
- /* First, populate session username and password for FLASH DDB,
- * if not already done. This happens when session login fails
- * for a FLASH DDB.
- */
- if (ddb_entry->ddb_type == FLASH_DDB &&
- ddb_entry->chap_tbl_idx != INVALID_ENTRY &&
- !sess->username && !sess->password) {
- idx = ddb_entry->chap_tbl_idx;
- rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
- chap_tbl.secret,
- idx);
- if (!rval) {
- iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
- (char *)chap_tbl.name,
- strlen((char *)chap_tbl.name));
- iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
- (char *)chap_tbl.secret,
- chap_tbl.secret_len);
- }
- }
- fallthrough;
- default:
- return iscsi_session_get_param(cls_sess, param, buf);
- }
- return len;
- }
- static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
- enum iscsi_param param, char *buf)
- {
- struct iscsi_conn *conn;
- struct qla_conn *qla_conn;
- struct sockaddr *dst_addr;
- conn = cls_conn->dd_data;
- qla_conn = conn->dd_data;
- dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr;
- switch (param) {
- case ISCSI_PARAM_CONN_PORT:
- case ISCSI_PARAM_CONN_ADDRESS:
- return iscsi_conn_get_addr_param((struct sockaddr_storage *)
- dst_addr, param, buf);
- default:
- return iscsi_conn_get_param(cls_conn, param, buf);
- }
- }
- int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index)
- {
- uint32_t mbx_sts = 0;
- uint16_t tmp_ddb_index;
- int ret;
- get_ddb_index:
- tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
- if (tmp_ddb_index >= MAX_DDB_ENTRIES) {
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Free DDB index not available\n"));
- ret = QLA_ERROR;
- goto exit_get_ddb_index;
- }
- if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map))
- goto get_ddb_index;
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Found a free DDB index at %d\n", tmp_ddb_index));
- ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts);
- if (ret == QLA_ERROR) {
- if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
- ql4_printk(KERN_INFO, ha,
- "DDB index = %d not available trying next\n",
- tmp_ddb_index);
- goto get_ddb_index;
- }
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Free FW DDB not available\n"));
- }
- *ddb_index = tmp_ddb_index;
- exit_get_ddb_index:
- return ret;
- }
- static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha,
- struct ddb_entry *ddb_entry,
- char *existing_ipaddr,
- char *user_ipaddr)
- {
- uint8_t dst_ipaddr[IPv6_ADDR_LEN];
- char formatted_ipaddr[DDB_IPADDR_LEN];
- int status = QLA_SUCCESS, ret = 0;
- if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) {
- ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
- '\0', NULL);
- if (ret == 0) {
- status = QLA_ERROR;
- goto out_match;
- }
- ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr);
- } else {
- ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
- '\0', NULL);
- if (ret == 0) {
- status = QLA_ERROR;
- goto out_match;
- }
- ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr);
- }
- if (strcmp(existing_ipaddr, formatted_ipaddr))
- status = QLA_ERROR;
- out_match:
- return status;
- }
- static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha,
- struct iscsi_cls_conn *cls_conn)
- {
- int idx = 0, max_ddbs, rval;
- struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
- struct iscsi_session *sess, *existing_sess;
- struct iscsi_conn *conn, *existing_conn;
- struct ddb_entry *ddb_entry;
- sess = cls_sess->dd_data;
- conn = cls_conn->dd_data;
- if (sess->targetname == NULL ||
- conn->persistent_address == NULL ||
- conn->persistent_port == 0)
- return QLA_ERROR;
- max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
- MAX_DEV_DB_ENTRIES;
- for (idx = 0; idx < max_ddbs; idx++) {
- ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
- if (ddb_entry == NULL)
- continue;
- if (ddb_entry->ddb_type != FLASH_DDB)
- continue;
- existing_sess = ddb_entry->sess->dd_data;
- existing_conn = ddb_entry->conn->dd_data;
- if (existing_sess->targetname == NULL ||
- existing_conn->persistent_address == NULL ||
- existing_conn->persistent_port == 0)
- continue;
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "IQN = %s User IQN = %s\n",
- existing_sess->targetname,
- sess->targetname));
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "IP = %s User IP = %s\n",
- existing_conn->persistent_address,
- conn->persistent_address));
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Port = %d User Port = %d\n",
- existing_conn->persistent_port,
- conn->persistent_port));
- if (strcmp(existing_sess->targetname, sess->targetname))
- continue;
- rval = qla4xxx_match_ipaddress(ha, ddb_entry,
- existing_conn->persistent_address,
- conn->persistent_address);
- if (rval == QLA_ERROR)
- continue;
- if (existing_conn->persistent_port != conn->persistent_port)
- continue;
- break;
- }
- if (idx == max_ddbs)
- return QLA_ERROR;
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Match found in fwdb sessions\n"));
- return QLA_SUCCESS;
- }
- static struct iscsi_cls_session *
- qla4xxx_session_create(struct iscsi_endpoint *ep,
- uint16_t cmds_max, uint16_t qdepth,
- uint32_t initial_cmdsn)
- {
- struct iscsi_cls_session *cls_sess;
- struct scsi_qla_host *ha;
- struct qla_endpoint *qla_ep;
- struct ddb_entry *ddb_entry;
- uint16_t ddb_index;
- struct iscsi_session *sess;
- int ret;
- if (!ep) {
- printk(KERN_ERR "qla4xxx: missing ep.\n");
- return NULL;
- }
- qla_ep = ep->dd_data;
- ha = to_qla_host(qla_ep->host);
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
- ha->host_no));
- ret = qla4xxx_get_ddb_index(ha, &ddb_index);
- if (ret == QLA_ERROR)
- return NULL;
- cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
- cmds_max, sizeof(struct ddb_entry),
- sizeof(struct ql4_task_data),
- initial_cmdsn, ddb_index);
- if (!cls_sess)
- return NULL;
- sess = cls_sess->dd_data;
- ddb_entry = sess->dd_data;
- ddb_entry->fw_ddb_index = ddb_index;
- ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
- ddb_entry->ha = ha;
- ddb_entry->sess = cls_sess;
- ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
- ddb_entry->ddb_change = qla4xxx_ddb_change;
- clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags);
- cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
- ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
- ha->tot_ddbs++;
- return cls_sess;
- }
- static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess)
- {
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- struct scsi_qla_host *ha;
- unsigned long flags, wtime;
- struct dev_db_entry *fw_ddb_entry = NULL;
- dma_addr_t fw_ddb_entry_dma;
- uint32_t ddb_state;
- int ret;
- sess = cls_sess->dd_data;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
- ha->host_no));
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (!fw_ddb_entry) {
- ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n", __func__);
- goto destroy_session;
- }
- wtime = jiffies + (HZ * LOGOUT_TOV);
- do {
- ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
- fw_ddb_entry, fw_ddb_entry_dma,
- NULL, NULL, &ddb_state, NULL,
- NULL, NULL);
- if (ret == QLA_ERROR)
- goto destroy_session;
- if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
- (ddb_state == DDB_DS_SESSION_FAILED))
- goto destroy_session;
- schedule_timeout_uninterruptible(HZ);
- } while ((time_after(wtime, jiffies)));
- destroy_session:
- qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
- if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags))
- clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map);
- spin_lock_irqsave(&ha->hardware_lock, flags);
- qla4xxx_free_ddb(ha, ddb_entry);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- iscsi_session_teardown(cls_sess);
- if (fw_ddb_entry)
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
- }
- static struct iscsi_cls_conn *
- qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
- {
- struct iscsi_cls_conn *cls_conn;
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- struct scsi_qla_host *ha;
- cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
- conn_idx);
- if (!cls_conn) {
- pr_info("%s: Can not create connection for conn_idx = %u\n",
- __func__, conn_idx);
- return NULL;
- }
- sess = cls_sess->dd_data;
- ddb_entry = sess->dd_data;
- ddb_entry->conn = cls_conn;
- ha = ddb_entry->ha;
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__,
- conn_idx));
- return cls_conn;
- }
- static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
- struct iscsi_cls_conn *cls_conn,
- uint64_t transport_fd, int is_leading)
- {
- struct iscsi_conn *conn;
- struct qla_conn *qla_conn;
- struct iscsi_endpoint *ep;
- struct ddb_entry *ddb_entry;
- struct scsi_qla_host *ha;
- struct iscsi_session *sess;
- sess = cls_session->dd_data;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__,
- cls_session->sid, cls_conn->cid));
- if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
- return -EINVAL;
- ep = iscsi_lookup_endpoint(transport_fd);
- if (!ep)
- return -EINVAL;
- conn = cls_conn->dd_data;
- qla_conn = conn->dd_data;
- qla_conn->qla_ep = ep->dd_data;
- iscsi_put_endpoint(ep);
- return 0;
- }
- static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
- {
- struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- struct scsi_qla_host *ha;
- struct dev_db_entry *fw_ddb_entry = NULL;
- dma_addr_t fw_ddb_entry_dma;
- uint32_t mbx_sts = 0;
- int ret = 0;
- int status = QLA_SUCCESS;
- sess = cls_sess->dd_data;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__,
- cls_sess->sid, cls_conn->cid));
- /* Check if we have matching FW DDB, if yes then do not
- * login to this target. This could cause target to logout previous
- * connection
- */
- ret = qla4xxx_match_fwdb_session(ha, cls_conn);
- if (ret == QLA_SUCCESS) {
- ql4_printk(KERN_INFO, ha,
- "Session already exist in FW.\n");
- ret = -EEXIST;
- goto exit_conn_start;
- }
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (!fw_ddb_entry) {
- ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n", __func__);
- ret = -ENOMEM;
- goto exit_conn_start;
- }
- ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
- if (ret) {
- /* If iscsid is stopped and started then no need to do
- * set param again since ddb state will be already
- * active and FW does not allow set ddb to an
- * active session.
- */
- if (mbx_sts)
- if (ddb_entry->fw_ddb_device_state ==
- DDB_DS_SESSION_ACTIVE) {
- ddb_entry->unblock_sess(ddb_entry->sess);
- goto exit_set_param;
- }
- ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n",
- __func__, ddb_entry->fw_ddb_index);
- goto exit_conn_start;
- }
- status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
- if (status == QLA_ERROR) {
- ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
- sess->targetname);
- ret = -EINVAL;
- goto exit_conn_start;
- }
- if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE)
- ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
- DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__,
- ddb_entry->fw_ddb_device_state));
- exit_set_param:
- ret = 0;
- exit_conn_start:
- if (fw_ddb_entry)
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
- return ret;
- }
- static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn)
- {
- struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
- struct iscsi_session *sess;
- struct scsi_qla_host *ha;
- struct ddb_entry *ddb_entry;
- int options;
- sess = cls_sess->dd_data;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__,
- cls_conn->cid));
- options = LOGOUT_OPTION_CLOSE_SESSION;
- if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR)
- ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
- }
- static void qla4xxx_task_work(struct work_struct *wdata)
- {
- struct ql4_task_data *task_data;
- struct scsi_qla_host *ha;
- struct passthru_status *sts;
- struct iscsi_task *task;
- struct iscsi_hdr *hdr;
- uint8_t *data;
- uint32_t data_len;
- struct iscsi_conn *conn;
- int hdr_len;
- itt_t itt;
- task_data = container_of(wdata, struct ql4_task_data, task_work);
- ha = task_data->ha;
- task = task_data->task;
- sts = &task_data->sts;
- hdr_len = sizeof(struct iscsi_hdr);
- DEBUG3(printk(KERN_INFO "Status returned\n"));
- DEBUG3(qla4xxx_dump_buffer(sts, 64));
- DEBUG3(printk(KERN_INFO "Response buffer"));
- DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64));
- conn = task->conn;
- switch (sts->completionStatus) {
- case PASSTHRU_STATUS_COMPLETE:
- hdr = (struct iscsi_hdr *)task_data->resp_buffer;
- /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */
- itt = sts->handle;
- hdr->itt = itt;
- data = task_data->resp_buffer + hdr_len;
- data_len = task_data->resp_len - hdr_len;
- iscsi_complete_pdu(conn, hdr, data, data_len);
- break;
- default:
- ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n",
- sts->completionStatus);
- break;
- }
- return;
- }
- static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
- {
- struct ql4_task_data *task_data;
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- struct scsi_qla_host *ha;
- int hdr_len;
- sess = task->conn->session;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- task_data = task->dd_data;
- memset(task_data, 0, sizeof(struct ql4_task_data));
- if (task->sc) {
- ql4_printk(KERN_INFO, ha,
- "%s: SCSI Commands not implemented\n", __func__);
- return -EINVAL;
- }
- hdr_len = sizeof(struct iscsi_hdr);
- task_data->ha = ha;
- task_data->task = task;
- if (task->data_count) {
- task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
- task->data_count,
- DMA_TO_DEVICE);
- }
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
- __func__, task->conn->max_recv_dlength, hdr_len));
- task_data->resp_len = task->conn->max_recv_dlength + hdr_len;
- task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev,
- task_data->resp_len,
- &task_data->resp_dma,
- GFP_ATOMIC);
- if (!task_data->resp_buffer)
- goto exit_alloc_pdu;
- task_data->req_len = task->data_count + hdr_len;
- task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev,
- task_data->req_len,
- &task_data->req_dma,
- GFP_ATOMIC);
- if (!task_data->req_buffer)
- goto exit_alloc_pdu;
- task->hdr = task_data->req_buffer;
- INIT_WORK(&task_data->task_work, qla4xxx_task_work);
- return 0;
- exit_alloc_pdu:
- if (task_data->resp_buffer)
- dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
- task_data->resp_buffer, task_data->resp_dma);
- if (task_data->req_buffer)
- dma_free_coherent(&ha->pdev->dev, task_data->req_len,
- task_data->req_buffer, task_data->req_dma);
- return -ENOMEM;
- }
- static void qla4xxx_task_cleanup(struct iscsi_task *task)
- {
- struct ql4_task_data *task_data;
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- struct scsi_qla_host *ha;
- int hdr_len;
- hdr_len = sizeof(struct iscsi_hdr);
- sess = task->conn->session;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- task_data = task->dd_data;
- if (task->data_count) {
- dma_unmap_single(&ha->pdev->dev, task_data->data_dma,
- task->data_count, DMA_TO_DEVICE);
- }
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
- __func__, task->conn->max_recv_dlength, hdr_len));
- dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
- task_data->resp_buffer, task_data->resp_dma);
- dma_free_coherent(&ha->pdev->dev, task_data->req_len,
- task_data->req_buffer, task_data->req_dma);
- return;
- }
- static int qla4xxx_task_xmit(struct iscsi_task *task)
- {
- struct scsi_cmnd *sc = task->sc;
- struct iscsi_session *sess = task->conn->session;
- struct ddb_entry *ddb_entry = sess->dd_data;
- struct scsi_qla_host *ha = ddb_entry->ha;
- if (!sc)
- return qla4xxx_send_passthru0(task);
- ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n",
- __func__);
- return -ENOSYS;
- }
- static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess,
- struct iscsi_bus_flash_conn *conn,
- struct dev_db_entry *fw_ddb_entry)
- {
- unsigned long options = 0;
- int rc = 0;
- options = le16_to_cpu(fw_ddb_entry->options);
- conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
- if (test_bit(OPT_IPV6_DEVICE, &options)) {
- rc = iscsi_switch_str_param(&sess->portal_type,
- PORTAL_TYPE_IPV6);
- if (rc)
- goto exit_copy;
- } else {
- rc = iscsi_switch_str_param(&sess->portal_type,
- PORTAL_TYPE_IPV4);
- if (rc)
- goto exit_copy;
- }
- sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
- &options);
- sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
- sess->entry_state = test_bit(OPT_ENTRY_STATE, &options);
- options = le16_to_cpu(fw_ddb_entry->iscsi_options);
- conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
- conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
- sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
- sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
- sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
- &options);
- sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
- sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
- conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options);
- sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
- &options);
- sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
- sess->discovery_auth_optional =
- test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
- if (test_bit(ISCSIOPT_ERL1, &options))
- sess->erl |= BIT_1;
- if (test_bit(ISCSIOPT_ERL0, &options))
- sess->erl |= BIT_0;
- options = le16_to_cpu(fw_ddb_entry->tcp_options);
- conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
- conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
- conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
- if (test_bit(TCPOPT_TIMER_SCALE3, &options))
- conn->tcp_timer_scale |= BIT_3;
- if (test_bit(TCPOPT_TIMER_SCALE2, &options))
- conn->tcp_timer_scale |= BIT_2;
- if (test_bit(TCPOPT_TIMER_SCALE1, &options))
- conn->tcp_timer_scale |= BIT_1;
- conn->tcp_timer_scale >>= 1;
- conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
- options = le16_to_cpu(fw_ddb_entry->ip_options);
- conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
- conn->max_recv_dlength = BYTE_UNITS *
- le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
- conn->max_xmit_dlength = BYTE_UNITS *
- le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
- sess->first_burst = BYTE_UNITS *
- le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
- sess->max_burst = BYTE_UNITS *
- le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
- sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
- sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
- sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
- sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
- conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
- conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
- conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
- conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl);
- conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout);
- conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
- conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
- conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
- sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link);
- sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link);
- sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
- sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
- sess->default_taskmgmt_timeout =
- le16_to_cpu(fw_ddb_entry->def_timeout);
- conn->port = le16_to_cpu(fw_ddb_entry->port);
- options = le16_to_cpu(fw_ddb_entry->options);
- conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
- if (!conn->ipaddress) {
- rc = -ENOMEM;
- goto exit_copy;
- }
- conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
- if (!conn->redirect_ipaddr) {
- rc = -ENOMEM;
- goto exit_copy;
- }
- memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
- memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN);
- if (test_bit(OPT_IPV6_DEVICE, &options)) {
- conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos;
- conn->link_local_ipv6_addr = kmemdup(
- fw_ddb_entry->link_local_ipv6_addr,
- IPv6_ADDR_LEN, GFP_KERNEL);
- if (!conn->link_local_ipv6_addr) {
- rc = -ENOMEM;
- goto exit_copy;
- }
- } else {
- conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
- }
- if (fw_ddb_entry->iscsi_name[0]) {
- rc = iscsi_switch_str_param(&sess->targetname,
- (char *)fw_ddb_entry->iscsi_name);
- if (rc)
- goto exit_copy;
- }
- if (fw_ddb_entry->iscsi_alias[0]) {
- rc = iscsi_switch_str_param(&sess->targetalias,
- (char *)fw_ddb_entry->iscsi_alias);
- if (rc)
- goto exit_copy;
- }
- COPY_ISID(sess->isid, fw_ddb_entry->isid);
- exit_copy:
- return rc;
- }
- static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
- struct iscsi_bus_flash_conn *conn,
- struct dev_db_entry *fw_ddb_entry)
- {
- uint16_t options;
- options = le16_to_cpu(fw_ddb_entry->options);
- SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11);
- if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
- options |= BIT_8;
- else
- options &= ~BIT_8;
- SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6);
- SET_BITVAL(sess->discovery_sess, options, BIT_4);
- SET_BITVAL(sess->entry_state, options, BIT_3);
- fw_ddb_entry->options = cpu_to_le16(options);
- options = le16_to_cpu(fw_ddb_entry->iscsi_options);
- SET_BITVAL(conn->hdrdgst_en, options, BIT_13);
- SET_BITVAL(conn->datadgst_en, options, BIT_12);
- SET_BITVAL(sess->imm_data_en, options, BIT_11);
- SET_BITVAL(sess->initial_r2t_en, options, BIT_10);
- SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9);
- SET_BITVAL(sess->pdu_inorder_en, options, BIT_8);
- SET_BITVAL(sess->chap_auth_en, options, BIT_7);
- SET_BITVAL(conn->snack_req_en, options, BIT_6);
- SET_BITVAL(sess->discovery_logout_en, options, BIT_5);
- SET_BITVAL(sess->bidi_chap_en, options, BIT_4);
- SET_BITVAL(sess->discovery_auth_optional, options, BIT_3);
- SET_BITVAL(sess->erl & BIT_1, options, BIT_1);
- SET_BITVAL(sess->erl & BIT_0, options, BIT_0);
- fw_ddb_entry->iscsi_options = cpu_to_le16(options);
- options = le16_to_cpu(fw_ddb_entry->tcp_options);
- SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6);
- SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5);
- SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4);
- SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3);
- SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2);
- SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1);
- SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0);
- fw_ddb_entry->tcp_options = cpu_to_le16(options);
- options = le16_to_cpu(fw_ddb_entry->ip_options);
- SET_BITVAL(conn->fragment_disable, options, BIT_4);
- fw_ddb_entry->ip_options = cpu_to_le16(options);
- fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
- fw_ddb_entry->iscsi_max_rcv_data_seg_len =
- cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS);
- fw_ddb_entry->iscsi_max_snd_data_seg_len =
- cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS);
- fw_ddb_entry->iscsi_first_burst_len =
- cpu_to_le16(sess->first_burst / BYTE_UNITS);
- fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst /
- BYTE_UNITS);
- fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait);
- fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain);
- fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt);
- fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size);
- fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf);
- fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf);
- fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label);
- fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout);
- fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port);
- fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn);
- fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn);
- fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx);
- fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx);
- fw_ddb_entry->tsid = cpu_to_le16(sess->tsid);
- fw_ddb_entry->port = cpu_to_le16(conn->port);
- fw_ddb_entry->def_timeout =
- cpu_to_le16(sess->default_taskmgmt_timeout);
- if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
- fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class;
- else
- fw_ddb_entry->ipv4_tos = conn->ipv4_tos;
- if (conn->ipaddress)
- memcpy(fw_ddb_entry->ip_addr, conn->ipaddress,
- sizeof(fw_ddb_entry->ip_addr));
- if (conn->redirect_ipaddr)
- memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr,
- sizeof(fw_ddb_entry->tgt_addr));
- if (conn->link_local_ipv6_addr)
- memcpy(fw_ddb_entry->link_local_ipv6_addr,
- conn->link_local_ipv6_addr,
- sizeof(fw_ddb_entry->link_local_ipv6_addr));
- if (sess->targetname)
- memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
- sizeof(fw_ddb_entry->iscsi_name));
- if (sess->targetalias)
- memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias,
- sizeof(fw_ddb_entry->iscsi_alias));
- COPY_ISID(fw_ddb_entry->isid, sess->isid);
- return 0;
- }
- static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
- struct iscsi_session *sess,
- struct dev_db_entry *fw_ddb_entry)
- {
- unsigned long options = 0;
- uint16_t ddb_link;
- uint16_t disc_parent;
- char ip_addr[DDB_IPADDR_LEN];
- options = le16_to_cpu(fw_ddb_entry->options);
- conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
- sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
- &options);
- sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
- options = le16_to_cpu(fw_ddb_entry->iscsi_options);
- conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
- conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
- sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
- sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
- sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
- &options);
- sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
- sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
- sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
- &options);
- sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
- sess->discovery_auth_optional =
- test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
- if (test_bit(ISCSIOPT_ERL1, &options))
- sess->erl |= BIT_1;
- if (test_bit(ISCSIOPT_ERL0, &options))
- sess->erl |= BIT_0;
- options = le16_to_cpu(fw_ddb_entry->tcp_options);
- conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
- conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
- conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
- if (test_bit(TCPOPT_TIMER_SCALE3, &options))
- conn->tcp_timer_scale |= BIT_3;
- if (test_bit(TCPOPT_TIMER_SCALE2, &options))
- conn->tcp_timer_scale |= BIT_2;
- if (test_bit(TCPOPT_TIMER_SCALE1, &options))
- conn->tcp_timer_scale |= BIT_1;
- conn->tcp_timer_scale >>= 1;
- conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
- options = le16_to_cpu(fw_ddb_entry->ip_options);
- conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
- conn->max_recv_dlength = BYTE_UNITS *
- le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
- conn->max_xmit_dlength = BYTE_UNITS *
- le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
- sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
- sess->first_burst = BYTE_UNITS *
- le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
- sess->max_burst = BYTE_UNITS *
- le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
- sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
- sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
- sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
- conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
- conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
- conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
- conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
- conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout);
- conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
- conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
- conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
- sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
- COPY_ISID(sess->isid, fw_ddb_entry->isid);
- ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
- if (ddb_link == DDB_ISNS)
- disc_parent = ISCSI_DISC_PARENT_ISNS;
- else if (ddb_link == DDB_NO_LINK)
- disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
- else if (ddb_link < MAX_DDB_ENTRIES)
- disc_parent = ISCSI_DISC_PARENT_SENDTGT;
- else
- disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
- iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
- iscsi_get_discovery_parent_name(disc_parent), 0);
- iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS,
- (char *)fw_ddb_entry->iscsi_alias, 0);
- options = le16_to_cpu(fw_ddb_entry->options);
- if (options & DDB_OPT_IPV6_DEVICE) {
- memset(ip_addr, 0, sizeof(ip_addr));
- sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr);
- iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR,
- (char *)ip_addr, 0);
- }
- }
- static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
- struct dev_db_entry *fw_ddb_entry,
- struct iscsi_cls_session *cls_sess,
- struct iscsi_cls_conn *cls_conn)
- {
- int buflen = 0;
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- struct ql4_chap_table chap_tbl;
- struct iscsi_conn *conn;
- char ip_addr[DDB_IPADDR_LEN];
- uint16_t options = 0;
- sess = cls_sess->dd_data;
- ddb_entry = sess->dd_data;
- conn = cls_conn->dd_data;
- memset(&chap_tbl, 0, sizeof(chap_tbl));
- ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
- qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
- sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout);
- conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
- memset(ip_addr, 0, sizeof(ip_addr));
- options = le16_to_cpu(fw_ddb_entry->options);
- if (options & DDB_OPT_IPV6_DEVICE) {
- iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4);
- memset(ip_addr, 0, sizeof(ip_addr));
- sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
- } else {
- iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4);
- sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
- }
- iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
- (char *)ip_addr, buflen);
- iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
- (char *)fw_ddb_entry->iscsi_name, buflen);
- iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
- (char *)ha->name_string, buflen);
- if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
- if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
- chap_tbl.secret,
- ddb_entry->chap_tbl_idx)) {
- iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
- (char *)chap_tbl.name,
- strlen((char *)chap_tbl.name));
- iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
- (char *)chap_tbl.secret,
- chap_tbl.secret_len);
- }
- }
- }
- void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
- struct ddb_entry *ddb_entry)
- {
- struct iscsi_cls_session *cls_sess;
- struct iscsi_cls_conn *cls_conn;
- uint32_t ddb_state;
- dma_addr_t fw_ddb_entry_dma;
- struct dev_db_entry *fw_ddb_entry;
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (!fw_ddb_entry) {
- ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n", __func__);
- goto exit_session_conn_fwddb_param;
- }
- if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
- fw_ddb_entry_dma, NULL, NULL, &ddb_state,
- NULL, NULL, NULL) == QLA_ERROR) {
- DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
- "get_ddb_entry for fw_ddb_index %d\n",
- ha->host_no, __func__,
- ddb_entry->fw_ddb_index));
- goto exit_session_conn_fwddb_param;
- }
- cls_sess = ddb_entry->sess;
- cls_conn = ddb_entry->conn;
- /* Update params */
- qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
- exit_session_conn_fwddb_param:
- if (fw_ddb_entry)
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
- }
- void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
- struct ddb_entry *ddb_entry)
- {
- struct iscsi_cls_session *cls_sess;
- struct iscsi_cls_conn *cls_conn;
- struct iscsi_session *sess;
- struct iscsi_conn *conn;
- uint32_t ddb_state;
- dma_addr_t fw_ddb_entry_dma;
- struct dev_db_entry *fw_ddb_entry;
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (!fw_ddb_entry) {
- ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n", __func__);
- goto exit_session_conn_param;
- }
- if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
- fw_ddb_entry_dma, NULL, NULL, &ddb_state,
- NULL, NULL, NULL) == QLA_ERROR) {
- DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
- "get_ddb_entry for fw_ddb_index %d\n",
- ha->host_no, __func__,
- ddb_entry->fw_ddb_index));
- goto exit_session_conn_param;
- }
- cls_sess = ddb_entry->sess;
- sess = cls_sess->dd_data;
- cls_conn = ddb_entry->conn;
- conn = cls_conn->dd_data;
- /* Update timers after login */
- ddb_entry->default_relogin_timeout =
- (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) &&
- (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ?
- le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV;
- ddb_entry->default_time2wait =
- le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
- /* Update params */
- ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
- qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
- memcpy(sess->initiatorname, ha->name_string,
- min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
- exit_session_conn_param:
- if (fw_ddb_entry)
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
- }
- /*
- * Timer routines
- */
- static void qla4xxx_timer(struct timer_list *t);
- static void qla4xxx_start_timer(struct scsi_qla_host *ha,
- unsigned long interval)
- {
- DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n",
- __func__, ha->host->host_no));
- timer_setup(&ha->timer, qla4xxx_timer, 0);
- ha->timer.expires = jiffies + interval * HZ;
- add_timer(&ha->timer);
- ha->timer_active = 1;
- }
- static void qla4xxx_stop_timer(struct scsi_qla_host *ha)
- {
- del_timer_sync(&ha->timer);
- ha->timer_active = 0;
- }
- /***
- * qla4xxx_mark_device_missing - blocks the session
- * @cls_session: Pointer to the session to be blocked
- * @ddb_entry: Pointer to device database entry
- *
- * This routine marks a device missing and close connection.
- **/
- void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session)
- {
- iscsi_block_session(cls_session);
- }
- /**
- * qla4xxx_mark_all_devices_missing - mark all devices as missing.
- * @ha: Pointer to host adapter structure.
- *
- * This routine marks a device missing and resets the relogin retry count.
- **/
- void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha)
- {
- iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing);
- }
- static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
- struct ddb_entry *ddb_entry,
- struct scsi_cmnd *cmd)
- {
- struct srb *srb;
- srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
- if (!srb)
- return srb;
- kref_init(&srb->srb_ref);
- srb->ha = ha;
- srb->ddb = ddb_entry;
- srb->cmd = cmd;
- srb->flags = 0;
- qla4xxx_cmd_priv(cmd)->srb = srb;
- return srb;
- }
- static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb)
- {
- struct scsi_cmnd *cmd = srb->cmd;
- if (srb->flags & SRB_DMA_VALID) {
- scsi_dma_unmap(cmd);
- srb->flags &= ~SRB_DMA_VALID;
- }
- qla4xxx_cmd_priv(cmd)->srb = NULL;
- }
- void qla4xxx_srb_compl(struct kref *ref)
- {
- struct srb *srb = container_of(ref, struct srb, srb_ref);
- struct scsi_cmnd *cmd = srb->cmd;
- struct scsi_qla_host *ha = srb->ha;
- qla4xxx_srb_free_dma(ha, srb);
- mempool_free(srb, ha->srb_mempool);
- scsi_done(cmd);
- }
- /**
- * qla4xxx_queuecommand - scsi layer issues scsi command to driver.
- * @host: scsi host
- * @cmd: Pointer to Linux's SCSI command structure
- *
- * Remarks:
- * This routine is invoked by Linux to send a SCSI command to the driver.
- * The mid-level driver tries to ensure that queuecommand never gets
- * invoked concurrently with itself or the interrupt handler (although
- * the interrupt handler may call this routine as part of request-
- * completion handling). Unfortunely, it sometimes calls the scheduler
- * in interrupt context which is a big NO! NO!.
- **/
- static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
- {
- struct scsi_qla_host *ha = to_qla_host(host);
- struct ddb_entry *ddb_entry = cmd->device->hostdata;
- struct iscsi_cls_session *sess = ddb_entry->sess;
- struct srb *srb;
- int rval;
- if (test_bit(AF_EEH_BUSY, &ha->flags)) {
- if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
- cmd->result = DID_NO_CONNECT << 16;
- else
- cmd->result = DID_REQUEUE << 16;
- goto qc_fail_command;
- }
- if (!sess) {
- cmd->result = DID_IMM_RETRY << 16;
- goto qc_fail_command;
- }
- rval = iscsi_session_chkready(sess);
- if (rval) {
- cmd->result = rval;
- goto qc_fail_command;
- }
- if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
- test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
- test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
- test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
- test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
- !test_bit(AF_ONLINE, &ha->flags) ||
- !test_bit(AF_LINK_UP, &ha->flags) ||
- test_bit(AF_LOOPBACK, &ha->flags) ||
- test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) ||
- test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) ||
- test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
- goto qc_host_busy;
- srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd);
- if (!srb)
- goto qc_host_busy;
- rval = qla4xxx_send_command_to_isp(ha, srb);
- if (rval != QLA_SUCCESS)
- goto qc_host_busy_free_sp;
- return 0;
- qc_host_busy_free_sp:
- qla4xxx_srb_free_dma(ha, srb);
- mempool_free(srb, ha->srb_mempool);
- qc_host_busy:
- return SCSI_MLQUEUE_HOST_BUSY;
- qc_fail_command:
- scsi_done(cmd);
- return 0;
- }
- /**
- * qla4xxx_mem_free - frees memory allocated to adapter
- * @ha: Pointer to host adapter structure.
- *
- * Frees memory previously allocated by qla4xxx_mem_alloc
- **/
- static void qla4xxx_mem_free(struct scsi_qla_host *ha)
- {
- if (ha->queues)
- dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues,
- ha->queues_dma);
- vfree(ha->fw_dump);
- ha->queues_len = 0;
- ha->queues = NULL;
- ha->queues_dma = 0;
- ha->request_ring = NULL;
- ha->request_dma = 0;
- ha->response_ring = NULL;
- ha->response_dma = 0;
- ha->shadow_regs = NULL;
- ha->shadow_regs_dma = 0;
- ha->fw_dump = NULL;
- ha->fw_dump_size = 0;
- /* Free srb pool. */
- mempool_destroy(ha->srb_mempool);
- ha->srb_mempool = NULL;
- dma_pool_destroy(ha->chap_dma_pool);
- vfree(ha->chap_list);
- ha->chap_list = NULL;
- dma_pool_destroy(ha->fw_ddb_dma_pool);
- /* release io space registers */
- if (is_qla8022(ha)) {
- if (ha->nx_pcibase)
- iounmap(
- (struct device_reg_82xx __iomem *)ha->nx_pcibase);
- } else if (is_qla8032(ha) || is_qla8042(ha)) {
- if (ha->nx_pcibase)
- iounmap(
- (struct device_reg_83xx __iomem *)ha->nx_pcibase);
- } else if (ha->reg) {
- iounmap(ha->reg);
- }
- vfree(ha->reset_tmplt.buff);
- pci_release_regions(ha->pdev);
- }
- /**
- * qla4xxx_mem_alloc - allocates memory for use by adapter.
- * @ha: Pointer to host adapter structure
- *
- * Allocates DMA memory for request and response queues. Also allocates memory
- * for srbs.
- **/
- static int qla4xxx_mem_alloc(struct scsi_qla_host *ha)
- {
- unsigned long align;
- /* Allocate contiguous block of DMA memory for queues. */
- ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
- (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) +
- sizeof(struct shadow_regs) +
- MEM_ALIGN_VALUE +
- (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
- ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len,
- &ha->queues_dma, GFP_KERNEL);
- if (ha->queues == NULL) {
- ql4_printk(KERN_WARNING, ha,
- "Memory Allocation failed - queues.\n");
- goto mem_alloc_error_exit;
- }
- /*
- * As per RISC alignment requirements -- the bus-address must be a
- * multiple of the request-ring size (in bytes).
- */
- align = 0;
- if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1))
- align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma &
- (MEM_ALIGN_VALUE - 1));
- /* Update request and response queue pointers. */
- ha->request_dma = ha->queues_dma + align;
- ha->request_ring = (struct queue_entry *) (ha->queues + align);
- ha->response_dma = ha->queues_dma + align +
- (REQUEST_QUEUE_DEPTH * QUEUE_SIZE);
- ha->response_ring = (struct queue_entry *) (ha->queues + align +
- (REQUEST_QUEUE_DEPTH *
- QUEUE_SIZE));
- ha->shadow_regs_dma = ha->queues_dma + align +
- (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
- (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE);
- ha->shadow_regs = (struct shadow_regs *) (ha->queues + align +
- (REQUEST_QUEUE_DEPTH *
- QUEUE_SIZE) +
- (RESPONSE_QUEUE_DEPTH *
- QUEUE_SIZE));
- /* Allocate memory for srb pool. */
- ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab,
- mempool_free_slab, srb_cachep);
- if (ha->srb_mempool == NULL) {
- ql4_printk(KERN_WARNING, ha,
- "Memory Allocation failed - SRB Pool.\n");
- goto mem_alloc_error_exit;
- }
- ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev,
- CHAP_DMA_BLOCK_SIZE, 8, 0);
- if (ha->chap_dma_pool == NULL) {
- ql4_printk(KERN_WARNING, ha,
- "%s: chap_dma_pool allocation failed..\n", __func__);
- goto mem_alloc_error_exit;
- }
- ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev,
- DDB_DMA_BLOCK_SIZE, 8, 0);
- if (ha->fw_ddb_dma_pool == NULL) {
- ql4_printk(KERN_WARNING, ha,
- "%s: fw_ddb_dma_pool allocation failed..\n",
- __func__);
- goto mem_alloc_error_exit;
- }
- return QLA_SUCCESS;
- mem_alloc_error_exit:
- return QLA_ERROR;
- }
- /**
- * qla4_8xxx_check_temp - Check the ISP82XX temperature.
- * @ha: adapter block pointer.
- *
- * Note: The caller should not hold the idc lock.
- **/
- static int qla4_8xxx_check_temp(struct scsi_qla_host *ha)
- {
- uint32_t temp, temp_state, temp_val;
- int status = QLA_SUCCESS;
- temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE);
- temp_state = qla82xx_get_temp_state(temp);
- temp_val = qla82xx_get_temp_val(temp);
- if (temp_state == QLA82XX_TEMP_PANIC) {
- ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C"
- " exceeds maximum allowed. Hardware has been shut"
- " down.\n", temp_val);
- status = QLA_ERROR;
- } else if (temp_state == QLA82XX_TEMP_WARN) {
- if (ha->temperature == QLA82XX_TEMP_NORMAL)
- ql4_printk(KERN_WARNING, ha, "Device temperature %d"
- " degrees C exceeds operating range."
- " Immediate action needed.\n", temp_val);
- } else {
- if (ha->temperature == QLA82XX_TEMP_WARN)
- ql4_printk(KERN_INFO, ha, "Device temperature is"
- " now %d degrees C in normal range.\n",
- temp_val);
- }
- ha->temperature = temp_state;
- return status;
- }
- /**
- * qla4_8xxx_check_fw_alive - Check firmware health
- * @ha: Pointer to host adapter structure.
- *
- * Context: Interrupt
- **/
- static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
- {
- uint32_t fw_heartbeat_counter;
- int status = QLA_SUCCESS;
- fw_heartbeat_counter = qla4_8xxx_rd_direct(ha,
- QLA8XXX_PEG_ALIVE_COUNTER);
- /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */
- if (fw_heartbeat_counter == 0xffffffff) {
- DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen "
- "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
- ha->host_no, __func__));
- return status;
- }
- if (ha->fw_heartbeat_counter == fw_heartbeat_counter) {
- ha->seconds_since_last_heartbeat++;
- /* FW not alive after 2 seconds */
- if (ha->seconds_since_last_heartbeat == 2) {
- ha->seconds_since_last_heartbeat = 0;
- qla4_8xxx_dump_peg_reg(ha);
- status = QLA_ERROR;
- }
- } else
- ha->seconds_since_last_heartbeat = 0;
- ha->fw_heartbeat_counter = fw_heartbeat_counter;
- return status;
- }
- static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha)
- {
- uint32_t halt_status;
- int halt_status_unrecoverable = 0;
- halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1);
- if (is_qla8022(ha)) {
- ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
- __func__);
- qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
- CRB_NIU_XG_PAUSE_CTL_P0 |
- CRB_NIU_XG_PAUSE_CTL_P1);
- if (QLA82XX_FWERROR_CODE(halt_status) == 0x67)
- ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n",
- __func__);
- if (halt_status & HALT_STATUS_UNRECOVERABLE)
- halt_status_unrecoverable = 1;
- } else if (is_qla8032(ha) || is_qla8042(ha)) {
- if (halt_status & QLA83XX_HALT_STATUS_FW_RESET)
- ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n",
- __func__);
- else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE)
- halt_status_unrecoverable = 1;
- }
- /*
- * Since we cannot change dev_state in interrupt context,
- * set appropriate DPC flag then wakeup DPC
- */
- if (halt_status_unrecoverable) {
- set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
- } else {
- ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n",
- __func__);
- set_bit(DPC_RESET_HA, &ha->dpc_flags);
- }
- qla4xxx_mailbox_premature_completion(ha);
- qla4xxx_wake_dpc(ha);
- }
- /**
- * qla4_8xxx_watchdog - Poll dev state
- * @ha: Pointer to host adapter structure.
- *
- * Context: Interrupt
- **/
- void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
- {
- uint32_t dev_state;
- uint32_t idc_ctrl;
- if (is_qla8032(ha) &&
- (qla4_83xx_is_detached(ha) == QLA_SUCCESS))
- WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n",
- __func__, ha->func_num);
- /* don't poll if reset is going on */
- if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
- test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
- test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) {
- dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
- if (qla4_8xxx_check_temp(ha)) {
- if (is_qla8022(ha)) {
- ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n");
- qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
- CRB_NIU_XG_PAUSE_CTL_P0 |
- CRB_NIU_XG_PAUSE_CTL_P1);
- }
- set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
- qla4xxx_wake_dpc(ha);
- } else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
- !test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
- ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n",
- __func__);
- if (is_qla8032(ha) || is_qla8042(ha)) {
- idc_ctrl = qla4_83xx_rd_reg(ha,
- QLA83XX_IDC_DRV_CTRL);
- if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) {
- ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n",
- __func__);
- qla4xxx_mailbox_premature_completion(
- ha);
- }
- }
- if ((is_qla8032(ha) || is_qla8042(ha)) ||
- (is_qla8022(ha) && !ql4xdontresethba)) {
- set_bit(DPC_RESET_HA, &ha->dpc_flags);
- qla4xxx_wake_dpc(ha);
- }
- } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
- !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
- ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n",
- __func__);
- set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags);
- qla4xxx_wake_dpc(ha);
- } else {
- /* Check firmware health */
- if (qla4_8xxx_check_fw_alive(ha))
- qla4_8xxx_process_fw_error(ha);
- }
- }
- }
- static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
- {
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- struct scsi_qla_host *ha;
- sess = cls_sess->dd_data;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- if (!(ddb_entry->ddb_type == FLASH_DDB))
- return;
- if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
- !iscsi_is_session_online(cls_sess)) {
- if (atomic_read(&ddb_entry->retry_relogin_timer) !=
- INVALID_ENTRY) {
- if (atomic_read(&ddb_entry->retry_relogin_timer) ==
- 0) {
- atomic_set(&ddb_entry->retry_relogin_timer,
- INVALID_ENTRY);
- set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
- set_bit(DF_RELOGIN, &ddb_entry->flags);
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "%s: index [%d] login device\n",
- __func__, ddb_entry->fw_ddb_index));
- } else
- atomic_dec(&ddb_entry->retry_relogin_timer);
- }
- }
- /* Wait for relogin to timeout */
- if (atomic_read(&ddb_entry->relogin_timer) &&
- (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
- /*
- * If the relogin times out and the device is
- * still NOT ONLINE then try and relogin again.
- */
- if (!iscsi_is_session_online(cls_sess)) {
- /* Reset retry relogin timer */
- atomic_inc(&ddb_entry->relogin_retry_count);
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "%s: index[%d] relogin timed out-retrying"
- " relogin (%d), retry (%d)\n", __func__,
- ddb_entry->fw_ddb_index,
- atomic_read(&ddb_entry->relogin_retry_count),
- ddb_entry->default_time2wait + 4));
- set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
- atomic_set(&ddb_entry->retry_relogin_timer,
- ddb_entry->default_time2wait + 4);
- }
- }
- }
- /**
- * qla4xxx_timer - checks every second for work to do.
- * @t: Context to obtain pointer to host adapter structure.
- **/
- static void qla4xxx_timer(struct timer_list *t)
- {
- struct scsi_qla_host *ha = from_timer(ha, t, timer);
- int start_dpc = 0;
- uint16_t w;
- iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb);
- /* If we are in the middle of AER/EEH processing
- * skip any processing and reschedule the timer
- */
- if (test_bit(AF_EEH_BUSY, &ha->flags)) {
- mod_timer(&ha->timer, jiffies + HZ);
- return;
- }
- /* Hardware read to trigger an EEH error during mailbox waits. */
- if (!pci_channel_offline(ha->pdev))
- pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
- if (is_qla80XX(ha))
- qla4_8xxx_watchdog(ha);
- if (is_qla40XX(ha)) {
- /* Check for heartbeat interval. */
- if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE &&
- ha->heartbeat_interval != 0) {
- ha->seconds_since_last_heartbeat++;
- if (ha->seconds_since_last_heartbeat >
- ha->heartbeat_interval + 2)
- set_bit(DPC_RESET_HA, &ha->dpc_flags);
- }
- }
- /* Process any deferred work. */
- if (!list_empty(&ha->work_list))
- start_dpc++;
- /* Wakeup the dpc routine for this adapter, if needed. */
- if (start_dpc ||
- test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
- test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
- test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) ||
- test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
- test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
- test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) ||
- test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) ||
- test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
- test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
- test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) ||
- test_bit(DPC_AEN, &ha->dpc_flags)) {
- DEBUG2(printk("scsi%ld: %s: scheduling dpc routine"
- " - dpc flags = 0x%lx\n",
- ha->host_no, __func__, ha->dpc_flags));
- qla4xxx_wake_dpc(ha);
- }
- /* Reschedule timer thread to call us back in one second */
- mod_timer(&ha->timer, jiffies + HZ);
- DEBUG2(ha->seconds_since_last_intr++);
- }
- /**
- * qla4xxx_cmd_wait - waits for all outstanding commands to complete
- * @ha: Pointer to host adapter structure.
- *
- * This routine stalls the driver until all outstanding commands are returned.
- * Caller must release the Hardware Lock prior to calling this routine.
- **/
- static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
- {
- uint32_t index = 0;
- unsigned long flags;
- struct scsi_cmnd *cmd;
- unsigned long wtime;
- uint32_t wtmo;
- if (is_qla40XX(ha))
- wtmo = WAIT_CMD_TOV;
- else
- wtmo = ha->nx_reset_timeout / 2;
- wtime = jiffies + (wtmo * HZ);
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Wait up to %u seconds for cmds to complete\n",
- wtmo));
- while (!time_after_eq(jiffies, wtime)) {
- spin_lock_irqsave(&ha->hardware_lock, flags);
- /* Find a command that hasn't completed. */
- for (index = 0; index < ha->host->can_queue; index++) {
- cmd = scsi_host_find_tag(ha->host, index);
- /*
- * We cannot just check if the index is valid,
- * becase if we are run from the scsi eh, then
- * the scsi/block layer is going to prevent
- * the tag from being released.
- */
- if (cmd != NULL && qla4xxx_cmd_priv(cmd)->srb)
- break;
- }
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- /* If No Commands are pending, wait is complete */
- if (index == ha->host->can_queue)
- return QLA_SUCCESS;
- msleep(1000);
- }
- /* If we timed out on waiting for commands to come back
- * return ERROR. */
- return QLA_ERROR;
- }
- int qla4xxx_hw_reset(struct scsi_qla_host *ha)
- {
- uint32_t ctrl_status;
- unsigned long flags = 0;
- DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__));
- if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
- return QLA_ERROR;
- spin_lock_irqsave(&ha->hardware_lock, flags);
- /*
- * If the SCSI Reset Interrupt bit is set, clear it.
- * Otherwise, the Soft Reset won't work.
- */
- ctrl_status = readw(&ha->reg->ctrl_status);
- if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0)
- writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
- /* Issue Soft Reset */
- writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status);
- readl(&ha->reg->ctrl_status);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- return QLA_SUCCESS;
- }
- /**
- * qla4xxx_soft_reset - performs soft reset.
- * @ha: Pointer to host adapter structure.
- **/
- int qla4xxx_soft_reset(struct scsi_qla_host *ha)
- {
- uint32_t max_wait_time;
- unsigned long flags = 0;
- int status;
- uint32_t ctrl_status;
- status = qla4xxx_hw_reset(ha);
- if (status != QLA_SUCCESS)
- return status;
- status = QLA_ERROR;
- /* Wait until the Network Reset Intr bit is cleared */
- max_wait_time = RESET_INTR_TOV;
- do {
- spin_lock_irqsave(&ha->hardware_lock, flags);
- ctrl_status = readw(&ha->reg->ctrl_status);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- if ((ctrl_status & CSR_NET_RESET_INTR) == 0)
- break;
- msleep(1000);
- } while ((--max_wait_time));
- if ((ctrl_status & CSR_NET_RESET_INTR) != 0) {
- DEBUG2(printk(KERN_WARNING
- "scsi%ld: Network Reset Intr not cleared by "
- "Network function, clearing it now!\n",
- ha->host_no));
- spin_lock_irqsave(&ha->hardware_lock, flags);
- writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status);
- readl(&ha->reg->ctrl_status);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- }
- /* Wait until the firmware tells us the Soft Reset is done */
- max_wait_time = SOFT_RESET_TOV;
- do {
- spin_lock_irqsave(&ha->hardware_lock, flags);
- ctrl_status = readw(&ha->reg->ctrl_status);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- if ((ctrl_status & CSR_SOFT_RESET) == 0) {
- status = QLA_SUCCESS;
- break;
- }
- msleep(1000);
- } while ((--max_wait_time));
- /*
- * Also, make sure that the SCSI Reset Interrupt bit has been cleared
- * after the soft reset has taken place.
- */
- spin_lock_irqsave(&ha->hardware_lock, flags);
- ctrl_status = readw(&ha->reg->ctrl_status);
- if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) {
- writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
- readl(&ha->reg->ctrl_status);
- }
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- /* If soft reset fails then most probably the bios on other
- * function is also enabled.
- * Since the initialization is sequential the other fn
- * wont be able to acknowledge the soft reset.
- * Issue a force soft reset to workaround this scenario.
- */
- if (max_wait_time == 0) {
- /* Issue Force Soft Reset */
- spin_lock_irqsave(&ha->hardware_lock, flags);
- writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status);
- readl(&ha->reg->ctrl_status);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- /* Wait until the firmware tells us the Soft Reset is done */
- max_wait_time = SOFT_RESET_TOV;
- do {
- spin_lock_irqsave(&ha->hardware_lock, flags);
- ctrl_status = readw(&ha->reg->ctrl_status);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) {
- status = QLA_SUCCESS;
- break;
- }
- msleep(1000);
- } while ((--max_wait_time));
- }
- return status;
- }
- /**
- * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S.
- * @ha: Pointer to host adapter structure.
- * @res: returned scsi status
- *
- * This routine is called just prior to a HARD RESET to return all
- * outstanding commands back to the Operating System.
- * Caller should make sure that the following locks are released
- * before this calling routine: Hardware lock, and io_request_lock.
- **/
- static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res)
- {
- struct srb *srb;
- int i;
- unsigned long flags;
- spin_lock_irqsave(&ha->hardware_lock, flags);
- for (i = 0; i < ha->host->can_queue; i++) {
- srb = qla4xxx_del_from_active_array(ha, i);
- if (srb != NULL) {
- srb->cmd->result = res;
- kref_put(&srb->srb_ref, qla4xxx_srb_compl);
- }
- }
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- }
- void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha)
- {
- clear_bit(AF_ONLINE, &ha->flags);
- /* Disable the board */
- ql4_printk(KERN_INFO, ha, "Disabling the board\n");
- qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
- qla4xxx_mark_all_devices_missing(ha);
- clear_bit(AF_INIT_DONE, &ha->flags);
- }
- static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session)
- {
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- sess = cls_session->dd_data;
- ddb_entry = sess->dd_data;
- ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
- if (ddb_entry->ddb_type == FLASH_DDB)
- iscsi_block_session(ddb_entry->sess);
- else
- iscsi_session_failure(cls_session->dd_data,
- ISCSI_ERR_CONN_FAILED);
- }
- /**
- * qla4xxx_recover_adapter - recovers adapter after a fatal error
- * @ha: Pointer to host adapter structure.
- **/
- static int qla4xxx_recover_adapter(struct scsi_qla_host *ha)
- {
- int status = QLA_ERROR;
- uint8_t reset_chip = 0;
- uint32_t dev_state;
- unsigned long wait;
- /* Stall incoming I/O until we are done */
- scsi_block_requests(ha->host);
- clear_bit(AF_ONLINE, &ha->flags);
- clear_bit(AF_LINK_UP, &ha->flags);
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__));
- set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
- if ((is_qla8032(ha) || is_qla8042(ha)) &&
- !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
- ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
- __func__);
- /* disable pause frame for ISP83xx */
- qla4_83xx_disable_pause(ha);
- }
- iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
- if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
- reset_chip = 1;
- /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific)
- * do not reset adapter, jump to initialize_adapter */
- if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
- status = QLA_SUCCESS;
- goto recover_ha_init_adapter;
- }
- /* For the ISP-8xxx adapter, issue a stop_firmware if invoked
- * from eh_host_reset or ioctl module */
- if (is_qla80XX(ha) && !reset_chip &&
- test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "scsi%ld: %s - Performing stop_firmware...\n",
- ha->host_no, __func__));
- status = ha->isp_ops->reset_firmware(ha);
- if (status == QLA_SUCCESS) {
- ha->isp_ops->disable_intrs(ha);
- qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
- qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
- } else {
- /* If the stop_firmware fails then
- * reset the entire chip */
- reset_chip = 1;
- clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
- set_bit(DPC_RESET_HA, &ha->dpc_flags);
- }
- }
- /* Issue full chip reset if recovering from a catastrophic error,
- * or if stop_firmware fails for ISP-8xxx.
- * This is the default case for ISP-4xxx */
- if (is_qla40XX(ha) || reset_chip) {
- if (is_qla40XX(ha))
- goto chip_reset;
- /* Check if 8XXX firmware is alive or not
- * We may have arrived here from NEED_RESET
- * detection only */
- if (test_bit(AF_FW_RECOVERY, &ha->flags))
- goto chip_reset;
- wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ);
- while (time_before(jiffies, wait)) {
- if (qla4_8xxx_check_fw_alive(ha)) {
- qla4xxx_mailbox_premature_completion(ha);
- break;
- }
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(HZ);
- }
- chip_reset:
- if (!test_bit(AF_FW_RECOVERY, &ha->flags))
- qla4xxx_cmd_wait(ha);
- qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "scsi%ld: %s - Performing chip reset..\n",
- ha->host_no, __func__));
- status = ha->isp_ops->reset_chip(ha);
- qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
- }
- /* Flush any pending ddb changed AENs */
- qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
- recover_ha_init_adapter:
- /* Upon successful firmware/chip reset, re-initialize the adapter */
- if (status == QLA_SUCCESS) {
- /* For ISP-4xxx, force function 1 to always initialize
- * before function 3 to prevent both funcions from
- * stepping on top of the other */
- if (is_qla40XX(ha) && (ha->mac_index == 3))
- ssleep(6);
- /* NOTE: AF_ONLINE flag set upon successful completion of
- * qla4xxx_initialize_adapter */
- status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
- if (is_qla80XX(ha) && (status == QLA_ERROR)) {
- status = qla4_8xxx_check_init_adapter_retry(ha);
- if (status == QLA_ERROR) {
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n",
- ha->host_no, __func__);
- qla4xxx_dead_adapter_cleanup(ha);
- clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
- clear_bit(DPC_RESET_HA, &ha->dpc_flags);
- clear_bit(DPC_RESET_HA_FW_CONTEXT,
- &ha->dpc_flags);
- goto exit_recover;
- }
- }
- }
- /* Retry failed adapter initialization, if necessary
- * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific)
- * case to prevent ping-pong resets between functions */
- if (!test_bit(AF_ONLINE, &ha->flags) &&
- !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
- /* Adapter initialization failed, see if we can retry
- * resetting the ha.
- * Since we don't want to block the DPC for too long
- * with multiple resets in the same thread,
- * utilize DPC to retry */
- if (is_qla80XX(ha)) {
- ha->isp_ops->idc_lock(ha);
- dev_state = qla4_8xxx_rd_direct(ha,
- QLA8XXX_CRB_DEV_STATE);
- ha->isp_ops->idc_unlock(ha);
- if (dev_state == QLA8XXX_DEV_FAILED) {
- ql4_printk(KERN_INFO, ha, "%s: don't retry "
- "recover adapter. H/W is in Failed "
- "state\n", __func__);
- qla4xxx_dead_adapter_cleanup(ha);
- clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
- clear_bit(DPC_RESET_HA, &ha->dpc_flags);
- clear_bit(DPC_RESET_HA_FW_CONTEXT,
- &ha->dpc_flags);
- status = QLA_ERROR;
- goto exit_recover;
- }
- }
- if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) {
- ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES;
- DEBUG2(printk("scsi%ld: recover adapter - retrying "
- "(%d) more times\n", ha->host_no,
- ha->retry_reset_ha_cnt));
- set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
- status = QLA_ERROR;
- } else {
- if (ha->retry_reset_ha_cnt > 0) {
- /* Schedule another Reset HA--DPC will retry */
- ha->retry_reset_ha_cnt--;
- DEBUG2(printk("scsi%ld: recover adapter - "
- "retry remaining %d\n",
- ha->host_no,
- ha->retry_reset_ha_cnt));
- status = QLA_ERROR;
- }
- if (ha->retry_reset_ha_cnt == 0) {
- /* Recover adapter retries have been exhausted.
- * Adapter DEAD */
- DEBUG2(printk("scsi%ld: recover adapter "
- "failed - board disabled\n",
- ha->host_no));
- qla4xxx_dead_adapter_cleanup(ha);
- clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
- clear_bit(DPC_RESET_HA, &ha->dpc_flags);
- clear_bit(DPC_RESET_HA_FW_CONTEXT,
- &ha->dpc_flags);
- status = QLA_ERROR;
- }
- }
- } else {
- clear_bit(DPC_RESET_HA, &ha->dpc_flags);
- clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
- clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
- }
- exit_recover:
- ha->adapter_error_count++;
- if (test_bit(AF_ONLINE, &ha->flags))
- ha->isp_ops->enable_intrs(ha);
- scsi_unblock_requests(ha->host);
- clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
- DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no,
- status == QLA_ERROR ? "FAILED" : "SUCCEEDED"));
- return status;
- }
- static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session)
- {
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- struct scsi_qla_host *ha;
- sess = cls_session->dd_data;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- if (!iscsi_is_session_online(cls_session)) {
- if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) {
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
- " unblock session\n", ha->host_no, __func__,
- ddb_entry->fw_ddb_index);
- iscsi_unblock_session(ddb_entry->sess);
- } else {
- /* Trigger relogin */
- if (ddb_entry->ddb_type == FLASH_DDB) {
- if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) ||
- test_bit(DF_DISABLE_RELOGIN,
- &ddb_entry->flags)))
- qla4xxx_arm_relogin_timer(ddb_entry);
- } else
- iscsi_session_failure(cls_session->dd_data,
- ISCSI_ERR_CONN_FAILED);
- }
- }
- }
- int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
- {
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- struct scsi_qla_host *ha;
- sess = cls_session->dd_data;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
- " unblock session\n", ha->host_no, __func__,
- ddb_entry->fw_ddb_index);
- iscsi_unblock_session(ddb_entry->sess);
- /* Start scan target */
- if (test_bit(AF_ONLINE, &ha->flags)) {
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
- " start scan\n", ha->host_no, __func__,
- ddb_entry->fw_ddb_index);
- queue_work(ddb_entry->sess->workq, &ddb_entry->sess->scan_work);
- }
- return QLA_SUCCESS;
- }
- int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session)
- {
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- struct scsi_qla_host *ha;
- int status = QLA_SUCCESS;
- sess = cls_session->dd_data;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
- " unblock user space session\n", ha->host_no, __func__,
- ddb_entry->fw_ddb_index);
- if (!iscsi_is_session_online(cls_session)) {
- iscsi_conn_start(ddb_entry->conn);
- iscsi_conn_login_event(ddb_entry->conn,
- ISCSI_CONN_STATE_LOGGED_IN);
- } else {
- ql4_printk(KERN_INFO, ha,
- "scsi%ld: %s: ddb[%d] session [%d] already logged in\n",
- ha->host_no, __func__, ddb_entry->fw_ddb_index,
- cls_session->sid);
- status = QLA_ERROR;
- }
- return status;
- }
- static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
- {
- iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
- }
- static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
- {
- uint16_t relogin_timer;
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- struct scsi_qla_host *ha;
- sess = cls_sess->dd_data;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- relogin_timer = max(ddb_entry->default_relogin_timeout,
- (uint16_t)RELOGIN_TOV);
- atomic_set(&ddb_entry->relogin_timer, relogin_timer);
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
- ddb_entry->fw_ddb_index, relogin_timer));
- qla4xxx_login_flash_ddb(cls_sess);
- }
- static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess)
- {
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry;
- struct scsi_qla_host *ha;
- sess = cls_sess->dd_data;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- if (!(ddb_entry->ddb_type == FLASH_DDB))
- return;
- if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
- return;
- if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
- !iscsi_is_session_online(cls_sess)) {
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "relogin issued\n"));
- qla4xxx_relogin_flash_ddb(cls_sess);
- }
- }
- void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
- {
- if (ha->dpc_thread)
- queue_work(ha->dpc_thread, &ha->dpc_work);
- }
- static struct qla4_work_evt *
- qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size,
- enum qla4_work_type type)
- {
- struct qla4_work_evt *e;
- uint32_t size = sizeof(struct qla4_work_evt) + data_size;
- e = kzalloc(size, GFP_ATOMIC);
- if (!e)
- return NULL;
- INIT_LIST_HEAD(&e->list);
- e->type = type;
- return e;
- }
- static void qla4xxx_post_work(struct scsi_qla_host *ha,
- struct qla4_work_evt *e)
- {
- unsigned long flags;
- spin_lock_irqsave(&ha->work_lock, flags);
- list_add_tail(&e->list, &ha->work_list);
- spin_unlock_irqrestore(&ha->work_lock, flags);
- qla4xxx_wake_dpc(ha);
- }
- int qla4xxx_post_aen_work(struct scsi_qla_host *ha,
- enum iscsi_host_event_code aen_code,
- uint32_t data_size, uint8_t *data)
- {
- struct qla4_work_evt *e;
- e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN);
- if (!e)
- return QLA_ERROR;
- e->u.aen.code = aen_code;
- e->u.aen.data_size = data_size;
- memcpy(e->u.aen.data, data, data_size);
- qla4xxx_post_work(ha, e);
- return QLA_SUCCESS;
- }
- int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha,
- uint32_t status, uint32_t pid,
- uint32_t data_size, uint8_t *data)
- {
- struct qla4_work_evt *e;
- e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS);
- if (!e)
- return QLA_ERROR;
- e->u.ping.status = status;
- e->u.ping.pid = pid;
- e->u.ping.data_size = data_size;
- memcpy(e->u.ping.data, data, data_size);
- qla4xxx_post_work(ha, e);
- return QLA_SUCCESS;
- }
- static void qla4xxx_do_work(struct scsi_qla_host *ha)
- {
- struct qla4_work_evt *e, *tmp;
- unsigned long flags;
- LIST_HEAD(work);
- spin_lock_irqsave(&ha->work_lock, flags);
- list_splice_init(&ha->work_list, &work);
- spin_unlock_irqrestore(&ha->work_lock, flags);
- list_for_each_entry_safe(e, tmp, &work, list) {
- list_del_init(&e->list);
- switch (e->type) {
- case QLA4_EVENT_AEN:
- iscsi_post_host_event(ha->host_no,
- &qla4xxx_iscsi_transport,
- e->u.aen.code,
- e->u.aen.data_size,
- e->u.aen.data);
- break;
- case QLA4_EVENT_PING_STATUS:
- iscsi_ping_comp_event(ha->host_no,
- &qla4xxx_iscsi_transport,
- e->u.ping.status,
- e->u.ping.pid,
- e->u.ping.data_size,
- e->u.ping.data);
- break;
- default:
- ql4_printk(KERN_WARNING, ha, "event type: 0x%x not "
- "supported", e->type);
- }
- kfree(e);
- }
- }
- /**
- * qla4xxx_do_dpc - dpc routine
- * @work: Context to obtain pointer to host adapter structure.
- *
- * This routine is a task that is schedule by the interrupt handler
- * to perform the background processing for interrupts. We put it
- * on a task queue that is consumed whenever the scheduler runs; that's
- * so you can do anything (i.e. put the process to sleep etc). In fact,
- * the mid-level tries to sleep when it reaches the driver threshold
- * "host->can_queue". This can cause a panic if we were in our interrupt code.
- **/
- static void qla4xxx_do_dpc(struct work_struct *work)
- {
- struct scsi_qla_host *ha =
- container_of(work, struct scsi_qla_host, dpc_work);
- int status = QLA_ERROR;
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n",
- ha->host_no, __func__, ha->flags, ha->dpc_flags));
- /* Initialization not yet finished. Don't do anything yet. */
- if (!test_bit(AF_INIT_DONE, &ha->flags))
- return;
- if (test_bit(AF_EEH_BUSY, &ha->flags)) {
- DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n",
- ha->host_no, __func__, ha->flags));
- return;
- }
- /* post events to application */
- qla4xxx_do_work(ha);
- if (is_qla80XX(ha)) {
- if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) {
- if (is_qla8032(ha) || is_qla8042(ha)) {
- ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
- __func__);
- /* disable pause frame for ISP83xx */
- qla4_83xx_disable_pause(ha);
- }
- ha->isp_ops->idc_lock(ha);
- qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
- QLA8XXX_DEV_FAILED);
- ha->isp_ops->idc_unlock(ha);
- ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
- qla4_8xxx_device_state_handler(ha);
- }
- if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) {
- if (is_qla8042(ha)) {
- if (ha->idc_info.info2 &
- ENABLE_INTERNAL_LOOPBACK) {
- ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n",
- __func__);
- status = qla4_84xx_config_acb(ha,
- ACB_CONFIG_DISABLE);
- if (status != QLA_SUCCESS) {
- ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n",
- __func__);
- }
- }
- }
- qla4_83xx_post_idc_ack(ha);
- clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags);
- }
- if (is_qla8042(ha) &&
- test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) {
- ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n",
- __func__);
- if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) !=
- QLA_SUCCESS) {
- ql4_printk(KERN_INFO, ha, "%s: ACB config failed ",
- __func__);
- }
- clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags);
- }
- if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
- qla4_8xxx_need_qsnt_handler(ha);
- }
- }
- if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) &&
- (test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
- test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
- test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) {
- if ((is_qla8022(ha) && ql4xdontresethba) ||
- ((is_qla8032(ha) || is_qla8042(ha)) &&
- qla4_83xx_idc_dontreset(ha))) {
- DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
- ha->host_no, __func__));
- clear_bit(DPC_RESET_HA, &ha->dpc_flags);
- clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
- clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
- goto dpc_post_reset_ha;
- }
- if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
- test_bit(DPC_RESET_HA, &ha->dpc_flags))
- qla4xxx_recover_adapter(ha);
- if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
- uint8_t wait_time = RESET_INTR_TOV;
- while ((readw(&ha->reg->ctrl_status) &
- (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) {
- if (--wait_time == 0)
- break;
- msleep(1000);
- }
- if (wait_time == 0)
- DEBUG2(printk("scsi%ld: %s: SR|FSR "
- "bit not cleared-- resetting\n",
- ha->host_no, __func__));
- qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
- if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) {
- qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
- status = qla4xxx_recover_adapter(ha);
- }
- clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
- if (status == QLA_SUCCESS)
- ha->isp_ops->enable_intrs(ha);
- }
- }
- dpc_post_reset_ha:
- /* ---- process AEN? --- */
- if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags))
- qla4xxx_process_aen(ha, PROCESS_ALL_AENS);
- /* ---- Get DHCP IP Address? --- */
- if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
- qla4xxx_get_dhcp_ip_address(ha);
- /* ---- relogin device? --- */
- if (adapter_up(ha) &&
- test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
- iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin);
- }
- /* ---- link change? --- */
- if (!test_bit(AF_LOOPBACK, &ha->flags) &&
- test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
- if (!test_bit(AF_LINK_UP, &ha->flags)) {
- /* ---- link down? --- */
- qla4xxx_mark_all_devices_missing(ha);
- } else {
- /* ---- link up? --- *
- * F/W will auto login to all devices ONLY ONCE after
- * link up during driver initialization and runtime
- * fatal error recovery. Therefore, the driver must
- * manually relogin to devices when recovering from
- * connection failures, logouts, expired KATO, etc. */
- if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) {
- qla4xxx_build_ddb_list(ha, ha->is_reset);
- iscsi_host_for_each_session(ha->host,
- qla4xxx_login_flash_ddb);
- } else
- qla4xxx_relogin_all_devices(ha);
- }
- }
- if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) {
- if (qla4xxx_sysfs_ddb_export(ha))
- ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n",
- __func__);
- }
- }
- /**
- * qla4xxx_free_adapter - release the adapter
- * @ha: pointer to adapter structure
- **/
- static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
- {
- qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
- /* Turn-off interrupts on the card. */
- ha->isp_ops->disable_intrs(ha);
- if (is_qla40XX(ha)) {
- writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
- &ha->reg->ctrl_status);
- readl(&ha->reg->ctrl_status);
- } else if (is_qla8022(ha)) {
- writel(0, &ha->qla4_82xx_reg->host_int);
- readl(&ha->qla4_82xx_reg->host_int);
- } else if (is_qla8032(ha) || is_qla8042(ha)) {
- writel(0, &ha->qla4_83xx_reg->risc_intr);
- readl(&ha->qla4_83xx_reg->risc_intr);
- }
- /* Remove timer thread, if present */
- if (ha->timer_active)
- qla4xxx_stop_timer(ha);
- /* Kill the kernel thread for this host */
- if (ha->dpc_thread)
- destroy_workqueue(ha->dpc_thread);
- /* Kill the kernel thread for this host */
- if (ha->task_wq)
- destroy_workqueue(ha->task_wq);
- /* Put firmware in known state */
- ha->isp_ops->reset_firmware(ha);
- if (is_qla80XX(ha)) {
- ha->isp_ops->idc_lock(ha);
- qla4_8xxx_clear_drv_active(ha);
- ha->isp_ops->idc_unlock(ha);
- }
- /* Detach interrupts */
- qla4xxx_free_irqs(ha);
- /* free extra memory */
- qla4xxx_mem_free(ha);
- }
- int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
- {
- int status = 0;
- unsigned long mem_base, mem_len;
- struct pci_dev *pdev = ha->pdev;
- status = pci_request_regions(pdev, DRIVER_NAME);
- if (status) {
- printk(KERN_WARNING
- "scsi(%ld) Failed to reserve PIO regions (%s) "
- "status=%d\n", ha->host_no, pci_name(pdev), status);
- goto iospace_error_exit;
- }
- DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n",
- __func__, pdev->revision));
- ha->revision_id = pdev->revision;
- /* remap phys address */
- mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
- mem_len = pci_resource_len(pdev, 0);
- DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n",
- __func__, mem_base, mem_len));
- /* mapping of pcibase pointer */
- ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len);
- if (!ha->nx_pcibase) {
- printk(KERN_ERR
- "cannot remap MMIO (%s), aborting\n", pci_name(pdev));
- pci_release_regions(ha->pdev);
- goto iospace_error_exit;
- }
- /* Mapping of IO base pointer, door bell read and write pointer */
- /* mapping of IO base pointer */
- if (is_qla8022(ha)) {
- ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *)
- ((uint8_t *)ha->nx_pcibase + 0xbc000 +
- (ha->pdev->devfn << 11));
- ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 :
- QLA82XX_CAM_RAM_DB2);
- } else if (is_qla8032(ha) || is_qla8042(ha)) {
- ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *)
- ((uint8_t *)ha->nx_pcibase);
- }
- return 0;
- iospace_error_exit:
- return -ENOMEM;
- }
- /***
- * qla4xxx_iospace_config - maps registers
- * @ha: pointer to adapter structure
- *
- * This routines maps HBA's registers from the pci address space
- * into the kernel virtual address space for memory mapped i/o.
- **/
- int qla4xxx_iospace_config(struct scsi_qla_host *ha)
- {
- unsigned long pio, pio_len, pio_flags;
- unsigned long mmio, mmio_len, mmio_flags;
- pio = pci_resource_start(ha->pdev, 0);
- pio_len = pci_resource_len(ha->pdev, 0);
- pio_flags = pci_resource_flags(ha->pdev, 0);
- if (pio_flags & IORESOURCE_IO) {
- if (pio_len < MIN_IOBASE_LEN) {
- ql4_printk(KERN_WARNING, ha,
- "Invalid PCI I/O region size\n");
- pio = 0;
- }
- } else {
- ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n");
- pio = 0;
- }
- /* Use MMIO operations for all accesses. */
- mmio = pci_resource_start(ha->pdev, 1);
- mmio_len = pci_resource_len(ha->pdev, 1);
- mmio_flags = pci_resource_flags(ha->pdev, 1);
- if (!(mmio_flags & IORESOURCE_MEM)) {
- ql4_printk(KERN_ERR, ha,
- "region #0 not an MMIO resource, aborting\n");
- goto iospace_error_exit;
- }
- if (mmio_len < MIN_IOBASE_LEN) {
- ql4_printk(KERN_ERR, ha,
- "Invalid PCI mem region size, aborting\n");
- goto iospace_error_exit;
- }
- if (pci_request_regions(ha->pdev, DRIVER_NAME)) {
- ql4_printk(KERN_WARNING, ha,
- "Failed to reserve PIO/MMIO regions\n");
- goto iospace_error_exit;
- }
- ha->pio_address = pio;
- ha->pio_length = pio_len;
- ha->reg = ioremap(mmio, MIN_IOBASE_LEN);
- if (!ha->reg) {
- ql4_printk(KERN_ERR, ha,
- "cannot remap MMIO, aborting\n");
- goto iospace_error_exit;
- }
- return 0;
- iospace_error_exit:
- return -ENOMEM;
- }
- static struct isp_operations qla4xxx_isp_ops = {
- .iospace_config = qla4xxx_iospace_config,
- .pci_config = qla4xxx_pci_config,
- .disable_intrs = qla4xxx_disable_intrs,
- .enable_intrs = qla4xxx_enable_intrs,
- .start_firmware = qla4xxx_start_firmware,
- .intr_handler = qla4xxx_intr_handler,
- .interrupt_service_routine = qla4xxx_interrupt_service_routine,
- .reset_chip = qla4xxx_soft_reset,
- .reset_firmware = qla4xxx_hw_reset,
- .queue_iocb = qla4xxx_queue_iocb,
- .complete_iocb = qla4xxx_complete_iocb,
- .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
- .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
- .get_sys_info = qla4xxx_get_sys_info,
- .queue_mailbox_command = qla4xxx_queue_mbox_cmd,
- .process_mailbox_interrupt = qla4xxx_process_mbox_intr,
- };
- static struct isp_operations qla4_82xx_isp_ops = {
- .iospace_config = qla4_8xxx_iospace_config,
- .pci_config = qla4_8xxx_pci_config,
- .disable_intrs = qla4_82xx_disable_intrs,
- .enable_intrs = qla4_82xx_enable_intrs,
- .start_firmware = qla4_8xxx_load_risc,
- .restart_firmware = qla4_82xx_try_start_fw,
- .intr_handler = qla4_82xx_intr_handler,
- .interrupt_service_routine = qla4_82xx_interrupt_service_routine,
- .need_reset = qla4_8xxx_need_reset,
- .reset_chip = qla4_82xx_isp_reset,
- .reset_firmware = qla4_8xxx_stop_firmware,
- .queue_iocb = qla4_82xx_queue_iocb,
- .complete_iocb = qla4_82xx_complete_iocb,
- .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out,
- .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in,
- .get_sys_info = qla4_8xxx_get_sys_info,
- .rd_reg_direct = qla4_82xx_rd_32,
- .wr_reg_direct = qla4_82xx_wr_32,
- .rd_reg_indirect = qla4_82xx_md_rd_32,
- .wr_reg_indirect = qla4_82xx_md_wr_32,
- .idc_lock = qla4_82xx_idc_lock,
- .idc_unlock = qla4_82xx_idc_unlock,
- .rom_lock_recovery = qla4_82xx_rom_lock_recovery,
- .queue_mailbox_command = qla4_82xx_queue_mbox_cmd,
- .process_mailbox_interrupt = qla4_82xx_process_mbox_intr,
- };
- static struct isp_operations qla4_83xx_isp_ops = {
- .iospace_config = qla4_8xxx_iospace_config,
- .pci_config = qla4_8xxx_pci_config,
- .disable_intrs = qla4_83xx_disable_intrs,
- .enable_intrs = qla4_83xx_enable_intrs,
- .start_firmware = qla4_8xxx_load_risc,
- .restart_firmware = qla4_83xx_start_firmware,
- .intr_handler = qla4_83xx_intr_handler,
- .interrupt_service_routine = qla4_83xx_interrupt_service_routine,
- .need_reset = qla4_8xxx_need_reset,
- .reset_chip = qla4_83xx_isp_reset,
- .reset_firmware = qla4_8xxx_stop_firmware,
- .queue_iocb = qla4_83xx_queue_iocb,
- .complete_iocb = qla4_83xx_complete_iocb,
- .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
- .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
- .get_sys_info = qla4_8xxx_get_sys_info,
- .rd_reg_direct = qla4_83xx_rd_reg,
- .wr_reg_direct = qla4_83xx_wr_reg,
- .rd_reg_indirect = qla4_83xx_rd_reg_indirect,
- .wr_reg_indirect = qla4_83xx_wr_reg_indirect,
- .idc_lock = qla4_83xx_drv_lock,
- .idc_unlock = qla4_83xx_drv_unlock,
- .rom_lock_recovery = qla4_83xx_rom_lock_recovery,
- .queue_mailbox_command = qla4_83xx_queue_mbox_cmd,
- .process_mailbox_interrupt = qla4_83xx_process_mbox_intr,
- };
- uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
- {
- return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out);
- }
- uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
- {
- return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out));
- }
- uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
- {
- return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in);
- }
- uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
- {
- return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in));
- }
- static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf)
- {
- struct scsi_qla_host *ha = data;
- char *str = buf;
- int rc;
- switch (type) {
- case ISCSI_BOOT_ETH_FLAGS:
- rc = sprintf(str, "%d\n", (char)SYSFS_FLAG_FW_SEL_BOOT);
- break;
- case ISCSI_BOOT_ETH_INDEX:
- rc = sprintf(str, "0\n");
- break;
- case ISCSI_BOOT_ETH_MAC:
- rc = sysfs_format_mac(str, ha->my_mac,
- MAC_ADDR_LEN);
- break;
- default:
- rc = -ENOSYS;
- break;
- }
- return rc;
- }
- static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type)
- {
- int rc;
- switch (type) {
- case ISCSI_BOOT_ETH_FLAGS:
- case ISCSI_BOOT_ETH_MAC:
- case ISCSI_BOOT_ETH_INDEX:
- rc = S_IRUGO;
- break;
- default:
- rc = 0;
- break;
- }
- return rc;
- }
- static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf)
- {
- struct scsi_qla_host *ha = data;
- char *str = buf;
- int rc;
- switch (type) {
- case ISCSI_BOOT_INI_INITIATOR_NAME:
- rc = sprintf(str, "%s\n", ha->name_string);
- break;
- default:
- rc = -ENOSYS;
- break;
- }
- return rc;
- }
- static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type)
- {
- int rc;
- switch (type) {
- case ISCSI_BOOT_INI_INITIATOR_NAME:
- rc = S_IRUGO;
- break;
- default:
- rc = 0;
- break;
- }
- return rc;
- }
- static ssize_t
- qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type,
- char *buf)
- {
- struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
- char *str = buf;
- int rc;
- switch (type) {
- case ISCSI_BOOT_TGT_NAME:
- rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name);
- break;
- case ISCSI_BOOT_TGT_IP_ADDR:
- if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1)
- rc = sprintf(buf, "%pI4\n",
- &boot_conn->dest_ipaddr.ip_address);
- else
- rc = sprintf(str, "%pI6\n",
- &boot_conn->dest_ipaddr.ip_address);
- break;
- case ISCSI_BOOT_TGT_PORT:
- rc = sprintf(str, "%d\n", boot_conn->dest_port);
- break;
- case ISCSI_BOOT_TGT_CHAP_NAME:
- rc = sprintf(str, "%.*s\n",
- boot_conn->chap.target_chap_name_length,
- (char *)&boot_conn->chap.target_chap_name);
- break;
- case ISCSI_BOOT_TGT_CHAP_SECRET:
- rc = sprintf(str, "%.*s\n",
- boot_conn->chap.target_secret_length,
- (char *)&boot_conn->chap.target_secret);
- break;
- case ISCSI_BOOT_TGT_REV_CHAP_NAME:
- rc = sprintf(str, "%.*s\n",
- boot_conn->chap.intr_chap_name_length,
- (char *)&boot_conn->chap.intr_chap_name);
- break;
- case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
- rc = sprintf(str, "%.*s\n",
- boot_conn->chap.intr_secret_length,
- (char *)&boot_conn->chap.intr_secret);
- break;
- case ISCSI_BOOT_TGT_FLAGS:
- rc = sprintf(str, "%d\n", (char)SYSFS_FLAG_FW_SEL_BOOT);
- break;
- case ISCSI_BOOT_TGT_NIC_ASSOC:
- rc = sprintf(str, "0\n");
- break;
- default:
- rc = -ENOSYS;
- break;
- }
- return rc;
- }
- static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf)
- {
- struct scsi_qla_host *ha = data;
- struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess);
- return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
- }
- static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf)
- {
- struct scsi_qla_host *ha = data;
- struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess);
- return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
- }
- static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type)
- {
- int rc;
- switch (type) {
- case ISCSI_BOOT_TGT_NAME:
- case ISCSI_BOOT_TGT_IP_ADDR:
- case ISCSI_BOOT_TGT_PORT:
- case ISCSI_BOOT_TGT_CHAP_NAME:
- case ISCSI_BOOT_TGT_CHAP_SECRET:
- case ISCSI_BOOT_TGT_REV_CHAP_NAME:
- case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
- case ISCSI_BOOT_TGT_NIC_ASSOC:
- case ISCSI_BOOT_TGT_FLAGS:
- rc = S_IRUGO;
- break;
- default:
- rc = 0;
- break;
- }
- return rc;
- }
- static void qla4xxx_boot_release(void *data)
- {
- struct scsi_qla_host *ha = data;
- scsi_host_put(ha->host);
- }
- static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
- {
- dma_addr_t buf_dma;
- uint32_t addr, pri_addr, sec_addr;
- uint32_t offset;
- uint16_t func_num;
- uint8_t val;
- uint8_t *buf = NULL;
- size_t size = 13 * sizeof(uint8_t);
- int ret = QLA_SUCCESS;
- func_num = PCI_FUNC(ha->pdev->devfn);
- ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n",
- __func__, ha->pdev->device, func_num);
- if (is_qla40XX(ha)) {
- if (func_num == 1) {
- addr = NVRAM_PORT0_BOOT_MODE;
- pri_addr = NVRAM_PORT0_BOOT_PRI_TGT;
- sec_addr = NVRAM_PORT0_BOOT_SEC_TGT;
- } else if (func_num == 3) {
- addr = NVRAM_PORT1_BOOT_MODE;
- pri_addr = NVRAM_PORT1_BOOT_PRI_TGT;
- sec_addr = NVRAM_PORT1_BOOT_SEC_TGT;
- } else {
- ret = QLA_ERROR;
- goto exit_boot_info;
- }
- /* Check Boot Mode */
- val = rd_nvram_byte(ha, addr);
- if (!(val & 0x07)) {
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot "
- "options : 0x%x\n", __func__, val));
- ret = QLA_ERROR;
- goto exit_boot_info;
- }
- /* get primary valid target index */
- val = rd_nvram_byte(ha, pri_addr);
- if (val & BIT_7)
- ddb_index[0] = (val & 0x7f);
- /* get secondary valid target index */
- val = rd_nvram_byte(ha, sec_addr);
- if (val & BIT_7)
- ddb_index[1] = (val & 0x7f);
- goto exit_boot_info;
- } else if (is_qla80XX(ha)) {
- buf = dma_alloc_coherent(&ha->pdev->dev, size,
- &buf_dma, GFP_KERNEL);
- if (!buf) {
- DEBUG2(ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n",
- __func__));
- ret = QLA_ERROR;
- goto exit_boot_info;
- }
- if (ha->port_num == 0)
- offset = BOOT_PARAM_OFFSET_PORT0;
- else if (ha->port_num == 1)
- offset = BOOT_PARAM_OFFSET_PORT1;
- else {
- ret = QLA_ERROR;
- goto exit_boot_info_free;
- }
- addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) +
- offset;
- if (qla4xxx_get_flash(ha, buf_dma, addr,
- 13 * sizeof(uint8_t)) != QLA_SUCCESS) {
- DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
- " failed\n", ha->host_no, __func__));
- ret = QLA_ERROR;
- goto exit_boot_info_free;
- }
- /* Check Boot Mode */
- if (!(buf[1] & 0x07)) {
- DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options"
- " : 0x%x\n", buf[1]));
- ret = QLA_ERROR;
- goto exit_boot_info_free;
- }
- /* get primary valid target index */
- if (buf[2] & BIT_7)
- ddb_index[0] = buf[2] & 0x7f;
- /* get secondary valid target index */
- if (buf[11] & BIT_7)
- ddb_index[1] = buf[11] & 0x7f;
- } else {
- ret = QLA_ERROR;
- goto exit_boot_info;
- }
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary"
- " target ID %d\n", __func__, ddb_index[0],
- ddb_index[1]));
- exit_boot_info_free:
- dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
- exit_boot_info:
- ha->pri_ddb_idx = ddb_index[0];
- ha->sec_ddb_idx = ddb_index[1];
- return ret;
- }
- /**
- * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password
- * @ha: pointer to adapter structure
- * @username: CHAP username to be returned
- * @password: CHAP password to be returned
- *
- * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP
- * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/.
- * So from the CHAP cache find the first BIDI CHAP entry and set it
- * to the boot record in sysfs.
- **/
- static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username,
- char *password)
- {
- int i, ret = -EINVAL;
- int max_chap_entries = 0;
- struct ql4_chap_table *chap_table;
- if (is_qla80XX(ha))
- max_chap_entries = (ha->hw.flt_chap_size / 2) /
- sizeof(struct ql4_chap_table);
- else
- max_chap_entries = MAX_CHAP_ENTRIES_40XX;
- if (!ha->chap_list) {
- ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
- return ret;
- }
- mutex_lock(&ha->chap_sem);
- for (i = 0; i < max_chap_entries; i++) {
- chap_table = (struct ql4_chap_table *)ha->chap_list + i;
- if (chap_table->cookie !=
- cpu_to_le16(CHAP_VALID_COOKIE)) {
- continue;
- }
- if (chap_table->flags & BIT_7) /* local */
- continue;
- if (!(chap_table->flags & BIT_6)) /* Not BIDI */
- continue;
- strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
- strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
- ret = 0;
- break;
- }
- mutex_unlock(&ha->chap_sem);
- return ret;
- }
- static int qla4xxx_get_boot_target(struct scsi_qla_host *ha,
- struct ql4_boot_session_info *boot_sess,
- uint16_t ddb_index)
- {
- struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
- struct dev_db_entry *fw_ddb_entry;
- dma_addr_t fw_ddb_entry_dma;
- uint16_t idx;
- uint16_t options;
- int ret = QLA_SUCCESS;
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (!fw_ddb_entry) {
- DEBUG2(ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer.\n",
- __func__));
- ret = QLA_ERROR;
- return ret;
- }
- if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry,
- fw_ddb_entry_dma, ddb_index)) {
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at "
- "index [%d]\n", __func__, ddb_index));
- ret = QLA_ERROR;
- goto exit_boot_target;
- }
- /* Update target name and IP from DDB */
- memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name,
- min(sizeof(boot_sess->target_name),
- sizeof(fw_ddb_entry->iscsi_name)));
- options = le16_to_cpu(fw_ddb_entry->options);
- if (options & DDB_OPT_IPV6_DEVICE) {
- memcpy(&boot_conn->dest_ipaddr.ip_address,
- &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN);
- } else {
- boot_conn->dest_ipaddr.ip_type = 0x1;
- memcpy(&boot_conn->dest_ipaddr.ip_address,
- &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN);
- }
- boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port);
- /* update chap information */
- idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
- if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
- DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n"));
- ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap.
- target_chap_name,
- (char *)&boot_conn->chap.target_secret,
- idx);
- if (ret) {
- ql4_printk(KERN_ERR, ha, "Failed to set chap\n");
- ret = QLA_ERROR;
- goto exit_boot_target;
- }
- boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
- boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN;
- }
- if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
- DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n"));
- ret = qla4xxx_get_bidi_chap(ha,
- (char *)&boot_conn->chap.intr_chap_name,
- (char *)&boot_conn->chap.intr_secret);
- if (ret) {
- ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n");
- ret = QLA_ERROR;
- goto exit_boot_target;
- }
- boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
- boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN;
- }
- exit_boot_target:
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
- return ret;
- }
- static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
- {
- uint16_t ddb_index[2];
- int ret = QLA_ERROR;
- int rval;
- memset(ddb_index, 0, sizeof(ddb_index));
- ddb_index[0] = 0xffff;
- ddb_index[1] = 0xffff;
- ret = get_fw_boot_info(ha, ddb_index);
- if (ret != QLA_SUCCESS) {
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "%s: No boot target configured.\n", __func__));
- return ret;
- }
- if (ql4xdisablesysfsboot)
- return QLA_SUCCESS;
- if (ddb_index[0] == 0xffff)
- goto sec_target;
- rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess),
- ddb_index[0]);
- if (rval != QLA_SUCCESS) {
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not "
- "configured\n", __func__));
- } else
- ret = QLA_SUCCESS;
- sec_target:
- if (ddb_index[1] == 0xffff)
- goto exit_get_boot_info;
- rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess),
- ddb_index[1]);
- if (rval != QLA_SUCCESS) {
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not"
- " configured\n", __func__));
- } else
- ret = QLA_SUCCESS;
- exit_get_boot_info:
- return ret;
- }
- static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
- {
- struct iscsi_boot_kobj *boot_kobj;
- if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
- return QLA_ERROR;
- if (ql4xdisablesysfsboot) {
- ql4_printk(KERN_INFO, ha,
- "%s: syfsboot disabled - driver will trigger login "
- "and publish session for discovery .\n", __func__);
- return QLA_SUCCESS;
- }
- ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
- if (!ha->boot_kset)
- goto kset_free;
- if (!scsi_host_get(ha->host))
- goto kset_free;
- boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha,
- qla4xxx_show_boot_tgt_pri_info,
- qla4xxx_tgt_get_attr_visibility,
- qla4xxx_boot_release);
- if (!boot_kobj)
- goto put_host;
- if (!scsi_host_get(ha->host))
- goto kset_free;
- boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha,
- qla4xxx_show_boot_tgt_sec_info,
- qla4xxx_tgt_get_attr_visibility,
- qla4xxx_boot_release);
- if (!boot_kobj)
- goto put_host;
- if (!scsi_host_get(ha->host))
- goto kset_free;
- boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha,
- qla4xxx_show_boot_ini_info,
- qla4xxx_ini_get_attr_visibility,
- qla4xxx_boot_release);
- if (!boot_kobj)
- goto put_host;
- if (!scsi_host_get(ha->host))
- goto kset_free;
- boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha,
- qla4xxx_show_boot_eth_info,
- qla4xxx_eth_get_attr_visibility,
- qla4xxx_boot_release);
- if (!boot_kobj)
- goto put_host;
- return QLA_SUCCESS;
- put_host:
- scsi_host_put(ha->host);
- kset_free:
- iscsi_boot_destroy_kset(ha->boot_kset);
- return -ENOMEM;
- }
- static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
- struct ql4_tuple_ddb *tddb)
- {
- struct iscsi_cls_session *cls_sess;
- struct iscsi_cls_conn *cls_conn;
- struct iscsi_session *sess;
- struct iscsi_conn *conn;
- DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
- cls_sess = ddb_entry->sess;
- sess = cls_sess->dd_data;
- cls_conn = ddb_entry->conn;
- conn = cls_conn->dd_data;
- tddb->tpgt = sess->tpgt;
- tddb->port = conn->persistent_port;
- strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE);
- strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN);
- }
- static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
- struct ql4_tuple_ddb *tddb,
- uint8_t *flash_isid)
- {
- uint16_t options = 0;
- tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
- memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
- min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name)));
- options = le16_to_cpu(fw_ddb_entry->options);
- if (options & DDB_OPT_IPV6_DEVICE)
- sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr);
- else
- sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
- tddb->port = le16_to_cpu(fw_ddb_entry->port);
- if (flash_isid == NULL)
- memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0],
- sizeof(tddb->isid));
- else
- memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid));
- }
- static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
- struct ql4_tuple_ddb *old_tddb,
- struct ql4_tuple_ddb *new_tddb,
- uint8_t is_isid_compare)
- {
- if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
- return QLA_ERROR;
- if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr))
- return QLA_ERROR;
- if (old_tddb->port != new_tddb->port)
- return QLA_ERROR;
- /* For multi sessions, driver generates the ISID, so do not compare
- * ISID in reset path since it would be a comparison between the
- * driver generated ISID and firmware generated ISID. This could
- * lead to adding duplicated DDBs in the list as driver generated
- * ISID would not match firmware generated ISID.
- */
- if (is_isid_compare) {
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "%s: old ISID [%pmR] New ISID [%pmR]\n",
- __func__, old_tddb->isid, new_tddb->isid));
- if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
- sizeof(old_tddb->isid)))
- return QLA_ERROR;
- }
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
- old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr,
- old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt,
- new_tddb->ip_addr, new_tddb->iscsi_name));
- return QLA_SUCCESS;
- }
- static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
- struct dev_db_entry *fw_ddb_entry,
- uint32_t *index)
- {
- struct ddb_entry *ddb_entry;
- struct ql4_tuple_ddb *fw_tddb = NULL;
- struct ql4_tuple_ddb *tmp_tddb = NULL;
- int idx;
- int ret = QLA_ERROR;
- fw_tddb = vzalloc(sizeof(*fw_tddb));
- if (!fw_tddb) {
- DEBUG2(ql4_printk(KERN_WARNING, ha,
- "Memory Allocation failed.\n"));
- ret = QLA_SUCCESS;
- goto exit_check;
- }
- tmp_tddb = vzalloc(sizeof(*tmp_tddb));
- if (!tmp_tddb) {
- DEBUG2(ql4_printk(KERN_WARNING, ha,
- "Memory Allocation failed.\n"));
- ret = QLA_SUCCESS;
- goto exit_check;
- }
- qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
- for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
- ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
- if (ddb_entry == NULL)
- continue;
- qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
- if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) {
- ret = QLA_SUCCESS; /* found */
- if (index != NULL)
- *index = idx;
- goto exit_check;
- }
- }
- exit_check:
- vfree(fw_tddb);
- vfree(tmp_tddb);
- return ret;
- }
- /**
- * qla4xxx_check_existing_isid - check if target with same isid exist
- * in target list
- * @list_nt: list of target
- * @isid: isid to check
- *
- * This routine return QLA_SUCCESS if target with same isid exist
- **/
- static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid)
- {
- struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
- struct dev_db_entry *fw_ddb_entry;
- list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
- fw_ddb_entry = &nt_ddb_idx->fw_ddb;
- if (memcmp(&fw_ddb_entry->isid[0], &isid[0],
- sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) {
- return QLA_SUCCESS;
- }
- }
- return QLA_ERROR;
- }
- /**
- * qla4xxx_update_isid - compare ddbs and updated isid
- * @ha: Pointer to host adapter structure.
- * @list_nt: list of nt target
- * @fw_ddb_entry: firmware ddb entry
- *
- * This routine update isid if ddbs have same iqn, same isid and
- * different IP addr.
- * Return QLA_SUCCESS if isid is updated.
- **/
- static int qla4xxx_update_isid(struct scsi_qla_host *ha,
- struct list_head *list_nt,
- struct dev_db_entry *fw_ddb_entry)
- {
- uint8_t base_value, i;
- base_value = fw_ddb_entry->isid[1] & 0x1f;
- for (i = 0; i < 8; i++) {
- fw_ddb_entry->isid[1] = (base_value | (i << 5));
- if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
- break;
- }
- if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
- return QLA_ERROR;
- return QLA_SUCCESS;
- }
- /**
- * qla4xxx_should_update_isid - check if isid need to update
- * @ha: Pointer to host adapter structure.
- * @old_tddb: ddb tuple
- * @new_tddb: ddb tuple
- *
- * Return QLA_SUCCESS if different IP, different PORT, same iqn,
- * same isid
- **/
- static int qla4xxx_should_update_isid(struct scsi_qla_host *ha,
- struct ql4_tuple_ddb *old_tddb,
- struct ql4_tuple_ddb *new_tddb)
- {
- if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) {
- /* Same ip */
- if (old_tddb->port == new_tddb->port)
- return QLA_ERROR;
- }
- if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
- /* different iqn */
- return QLA_ERROR;
- if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
- sizeof(old_tddb->isid)))
- /* different isid */
- return QLA_ERROR;
- return QLA_SUCCESS;
- }
- /**
- * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt
- * @ha: Pointer to host adapter structure.
- * @list_nt: list of nt target.
- * @fw_ddb_entry: firmware ddb entry.
- *
- * This routine check if fw_ddb_entry already exists in list_nt to avoid
- * duplicate ddb in list_nt.
- * Return QLA_SUCCESS if duplicate ddb exit in list_nl.
- * Note: This function also update isid of DDB if required.
- **/
- static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
- struct list_head *list_nt,
- struct dev_db_entry *fw_ddb_entry)
- {
- struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
- struct ql4_tuple_ddb *fw_tddb = NULL;
- struct ql4_tuple_ddb *tmp_tddb = NULL;
- int rval, ret = QLA_ERROR;
- fw_tddb = vzalloc(sizeof(*fw_tddb));
- if (!fw_tddb) {
- DEBUG2(ql4_printk(KERN_WARNING, ha,
- "Memory Allocation failed.\n"));
- ret = QLA_SUCCESS;
- goto exit_check;
- }
- tmp_tddb = vzalloc(sizeof(*tmp_tddb));
- if (!tmp_tddb) {
- DEBUG2(ql4_printk(KERN_WARNING, ha,
- "Memory Allocation failed.\n"));
- ret = QLA_SUCCESS;
- goto exit_check;
- }
- qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
- list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
- qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb,
- nt_ddb_idx->flash_isid);
- ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true);
- /* found duplicate ddb */
- if (ret == QLA_SUCCESS)
- goto exit_check;
- }
- list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
- qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL);
- ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb);
- if (ret == QLA_SUCCESS) {
- rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry);
- if (rval == QLA_SUCCESS)
- ret = QLA_ERROR;
- else
- ret = QLA_SUCCESS;
- goto exit_check;
- }
- }
- exit_check:
- vfree(fw_tddb);
- vfree(tmp_tddb);
- return ret;
- }
- static void qla4xxx_free_ddb_list(struct list_head *list_ddb)
- {
- struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
- list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
- list_del_init(&ddb_idx->list);
- vfree(ddb_idx);
- }
- }
- static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
- struct dev_db_entry *fw_ddb_entry)
- {
- struct iscsi_endpoint *ep;
- struct sockaddr_in *addr;
- struct sockaddr_in6 *addr6;
- struct sockaddr *t_addr;
- struct sockaddr_storage *dst_addr;
- char *ip;
- /* TODO: need to destroy on unload iscsi_endpoint*/
- dst_addr = vmalloc(sizeof(*dst_addr));
- if (!dst_addr)
- return NULL;
- if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
- t_addr = (struct sockaddr *)dst_addr;
- t_addr->sa_family = AF_INET6;
- addr6 = (struct sockaddr_in6 *)dst_addr;
- ip = (char *)&addr6->sin6_addr;
- memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
- addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port));
- } else {
- t_addr = (struct sockaddr *)dst_addr;
- t_addr->sa_family = AF_INET;
- addr = (struct sockaddr_in *)dst_addr;
- ip = (char *)&addr->sin_addr;
- memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN);
- addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port));
- }
- ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0);
- vfree(dst_addr);
- return ep;
- }
- static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
- {
- if (ql4xdisablesysfsboot)
- return QLA_SUCCESS;
- if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)
- return QLA_ERROR;
- return QLA_SUCCESS;
- }
- static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
- struct ddb_entry *ddb_entry,
- uint16_t idx)
- {
- uint16_t def_timeout;
- ddb_entry->ddb_type = FLASH_DDB;
- ddb_entry->fw_ddb_index = INVALID_ENTRY;
- ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
- ddb_entry->ha = ha;
- ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
- ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
- ddb_entry->chap_tbl_idx = INVALID_ENTRY;
- atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
- atomic_set(&ddb_entry->relogin_timer, 0);
- atomic_set(&ddb_entry->relogin_retry_count, 0);
- def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
- ddb_entry->default_relogin_timeout =
- (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ?
- def_timeout : LOGIN_TOV;
- ddb_entry->default_time2wait =
- le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
- if (ql4xdisablesysfsboot &&
- (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx))
- set_bit(DF_BOOT_TGT, &ddb_entry->flags);
- }
- static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
- {
- uint32_t idx = 0;
- uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */
- uint32_t sts[MBOX_REG_COUNT];
- uint32_t ip_state;
- unsigned long wtime;
- int ret;
- wtime = jiffies + (HZ * IP_CONFIG_TOV);
- do {
- for (idx = 0; idx < IP_ADDR_COUNT; idx++) {
- if (ip_idx[idx] == -1)
- continue;
- ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts);
- if (ret == QLA_ERROR) {
- ip_idx[idx] = -1;
- continue;
- }
- ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT;
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Waiting for IP state for idx = %d, state = 0x%x\n",
- ip_idx[idx], ip_state));
- if (ip_state == IP_ADDRSTATE_UNCONFIGURED ||
- ip_state == IP_ADDRSTATE_INVALID ||
- ip_state == IP_ADDRSTATE_PREFERRED ||
- ip_state == IP_ADDRSTATE_DEPRICATED ||
- ip_state == IP_ADDRSTATE_DISABLING)
- ip_idx[idx] = -1;
- }
- /* Break if all IP states checked */
- if ((ip_idx[0] == -1) &&
- (ip_idx[1] == -1) &&
- (ip_idx[2] == -1) &&
- (ip_idx[3] == -1))
- break;
- schedule_timeout_uninterruptible(HZ);
- } while (time_after(wtime, jiffies));
- }
- static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry,
- struct dev_db_entry *flash_ddb_entry)
- {
- uint16_t options = 0;
- size_t ip_len = IP_ADDR_LEN;
- options = le16_to_cpu(fw_ddb_entry->options);
- if (options & DDB_OPT_IPV6_DEVICE)
- ip_len = IPv6_ADDR_LEN;
- if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len))
- return QLA_ERROR;
- if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0],
- sizeof(fw_ddb_entry->isid)))
- return QLA_ERROR;
- if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port,
- sizeof(fw_ddb_entry->port)))
- return QLA_ERROR;
- return QLA_SUCCESS;
- }
- static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha,
- struct dev_db_entry *fw_ddb_entry,
- uint32_t fw_idx, uint32_t *flash_index)
- {
- struct dev_db_entry *flash_ddb_entry;
- dma_addr_t flash_ddb_entry_dma;
- uint32_t idx = 0;
- int max_ddbs;
- int ret = QLA_ERROR, status;
- max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
- MAX_DEV_DB_ENTRIES;
- flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
- &flash_ddb_entry_dma);
- if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) {
- ql4_printk(KERN_ERR, ha, "Out of memory\n");
- goto exit_find_st_idx;
- }
- status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
- flash_ddb_entry_dma, fw_idx);
- if (status == QLA_SUCCESS) {
- status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
- if (status == QLA_SUCCESS) {
- *flash_index = fw_idx;
- ret = QLA_SUCCESS;
- goto exit_find_st_idx;
- }
- }
- for (idx = 0; idx < max_ddbs; idx++) {
- status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
- flash_ddb_entry_dma, idx);
- if (status == QLA_ERROR)
- continue;
- status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
- if (status == QLA_SUCCESS) {
- *flash_index = idx;
- ret = QLA_SUCCESS;
- goto exit_find_st_idx;
- }
- }
- if (idx == max_ddbs)
- ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n",
- fw_idx);
- exit_find_st_idx:
- if (flash_ddb_entry)
- dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry,
- flash_ddb_entry_dma);
- return ret;
- }
- static void qla4xxx_build_st_list(struct scsi_qla_host *ha,
- struct list_head *list_st)
- {
- struct qla_ddb_index *st_ddb_idx;
- int max_ddbs;
- int fw_idx_size;
- struct dev_db_entry *fw_ddb_entry;
- dma_addr_t fw_ddb_dma;
- int ret;
- uint32_t idx = 0, next_idx = 0;
- uint32_t state = 0, conn_err = 0;
- uint32_t flash_index = -1;
- uint16_t conn_id = 0;
- fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
- &fw_ddb_dma);
- if (fw_ddb_entry == NULL) {
- DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
- goto exit_st_list;
- }
- max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
- MAX_DEV_DB_ENTRIES;
- fw_idx_size = sizeof(struct qla_ddb_index);
- for (idx = 0; idx < max_ddbs; idx = next_idx) {
- ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
- NULL, &next_idx, &state,
- &conn_err, NULL, &conn_id);
- if (ret == QLA_ERROR)
- break;
- /* Ignore DDB if invalid state (unassigned) */
- if (state == DDB_DS_UNASSIGNED)
- goto continue_next_st;
- /* Check if ST, add to the list_st */
- if (strlen((char *) fw_ddb_entry->iscsi_name) != 0)
- goto continue_next_st;
- st_ddb_idx = vzalloc(fw_idx_size);
- if (!st_ddb_idx)
- break;
- ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx,
- &flash_index);
- if (ret == QLA_ERROR) {
- ql4_printk(KERN_ERR, ha,
- "No flash entry for ST at idx [%d]\n", idx);
- st_ddb_idx->flash_ddb_idx = idx;
- } else {
- ql4_printk(KERN_INFO, ha,
- "ST at idx [%d] is stored at flash [%d]\n",
- idx, flash_index);
- st_ddb_idx->flash_ddb_idx = flash_index;
- }
- st_ddb_idx->fw_ddb_idx = idx;
- list_add_tail(&st_ddb_idx->list, list_st);
- continue_next_st:
- if (next_idx == 0)
- break;
- }
- exit_st_list:
- if (fw_ddb_entry)
- dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
- }
- /**
- * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list
- * @ha: pointer to adapter structure
- * @list_ddb: List from which failed ddb to be removed
- *
- * Iterate over the list of DDBs and find and remove DDBs that are either in
- * no connection active state or failed state
- **/
- static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha,
- struct list_head *list_ddb)
- {
- struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
- uint32_t next_idx = 0;
- uint32_t state = 0, conn_err = 0;
- int ret;
- list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
- ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx,
- NULL, 0, NULL, &next_idx, &state,
- &conn_err, NULL, NULL);
- if (ret == QLA_ERROR)
- continue;
- if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
- state == DDB_DS_SESSION_FAILED) {
- list_del_init(&ddb_idx->list);
- vfree(ddb_idx);
- }
- }
- }
- static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha,
- struct ddb_entry *ddb_entry,
- struct dev_db_entry *fw_ddb_entry)
- {
- struct iscsi_cls_session *cls_sess;
- struct iscsi_session *sess;
- uint32_t max_ddbs = 0;
- uint16_t ddb_link = -1;
- max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
- MAX_DEV_DB_ENTRIES;
- cls_sess = ddb_entry->sess;
- sess = cls_sess->dd_data;
- ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
- if (ddb_link < max_ddbs)
- sess->discovery_parent_idx = ddb_link;
- else
- sess->discovery_parent_idx = DDB_NO_LINK;
- }
- static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha,
- struct dev_db_entry *fw_ddb_entry,
- int is_reset, uint16_t idx)
- {
- struct iscsi_cls_session *cls_sess;
- struct iscsi_session *sess;
- struct iscsi_cls_conn *cls_conn;
- struct iscsi_endpoint *ep;
- uint16_t cmds_max = 32;
- uint16_t conn_id = 0;
- uint32_t initial_cmdsn = 0;
- int ret = QLA_SUCCESS;
- struct ddb_entry *ddb_entry = NULL;
- /* Create session object, with INVALID_ENTRY,
- * the targer_id would get set when we issue the login
- */
- cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host,
- cmds_max, sizeof(struct ddb_entry),
- sizeof(struct ql4_task_data),
- initial_cmdsn, INVALID_ENTRY);
- if (!cls_sess) {
- ret = QLA_ERROR;
- goto exit_setup;
- }
- /*
- * so calling module_put function to decrement the
- * reference count.
- **/
- module_put(qla4xxx_iscsi_transport.owner);
- sess = cls_sess->dd_data;
- ddb_entry = sess->dd_data;
- ddb_entry->sess = cls_sess;
- cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
- memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry,
- sizeof(struct dev_db_entry));
- qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx);
- cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id);
- if (!cls_conn) {
- ret = QLA_ERROR;
- goto exit_setup;
- }
- ddb_entry->conn = cls_conn;
- /* Setup ep, for displaying attributes in sysfs */
- ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry);
- if (ep) {
- ep->conn = cls_conn;
- cls_conn->ep = ep;
- } else {
- DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n"));
- ret = QLA_ERROR;
- goto exit_setup;
- }
- /* Update sess/conn params */
- qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
- qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry);
- if (is_reset == RESET_ADAPTER) {
- iscsi_block_session(cls_sess);
- /* Use the relogin path to discover new devices
- * by short-circuiting the logic of setting
- * timer to relogin - instead set the flags
- * to initiate login right away.
- */
- set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
- set_bit(DF_RELOGIN, &ddb_entry->flags);
- }
- exit_setup:
- return ret;
- }
- static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha,
- struct list_head *list_ddb,
- struct dev_db_entry *fw_ddb_entry)
- {
- struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
- uint16_t ddb_link;
- ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
- list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
- if (ddb_idx->fw_ddb_idx == ddb_link) {
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Updating NT parent idx from [%d] to [%d]\n",
- ddb_link, ddb_idx->flash_ddb_idx));
- fw_ddb_entry->ddb_link =
- cpu_to_le16(ddb_idx->flash_ddb_idx);
- return;
- }
- }
- }
- static void qla4xxx_build_nt_list(struct scsi_qla_host *ha,
- struct list_head *list_nt,
- struct list_head *list_st,
- int is_reset)
- {
- struct dev_db_entry *fw_ddb_entry;
- struct ddb_entry *ddb_entry = NULL;
- dma_addr_t fw_ddb_dma;
- int max_ddbs;
- int fw_idx_size;
- int ret;
- uint32_t idx = 0, next_idx = 0;
- uint32_t state = 0, conn_err = 0;
- uint32_t ddb_idx = -1;
- uint16_t conn_id = 0;
- uint16_t ddb_link = -1;
- struct qla_ddb_index *nt_ddb_idx;
- fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
- &fw_ddb_dma);
- if (fw_ddb_entry == NULL) {
- DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
- goto exit_nt_list;
- }
- max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
- MAX_DEV_DB_ENTRIES;
- fw_idx_size = sizeof(struct qla_ddb_index);
- for (idx = 0; idx < max_ddbs; idx = next_idx) {
- ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
- NULL, &next_idx, &state,
- &conn_err, NULL, &conn_id);
- if (ret == QLA_ERROR)
- break;
- if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
- goto continue_next_nt;
- /* Check if NT, then add to list it */
- if (strlen((char *) fw_ddb_entry->iscsi_name) == 0)
- goto continue_next_nt;
- ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
- if (ddb_link < max_ddbs)
- qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry);
- if (!(state == DDB_DS_NO_CONNECTION_ACTIVE ||
- state == DDB_DS_SESSION_FAILED) &&
- (is_reset == INIT_ADAPTER))
- goto continue_next_nt;
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Adding DDB to session = 0x%x\n", idx));
- if (is_reset == INIT_ADAPTER) {
- nt_ddb_idx = vmalloc(fw_idx_size);
- if (!nt_ddb_idx)
- break;
- nt_ddb_idx->fw_ddb_idx = idx;
- /* Copy original isid as it may get updated in function
- * qla4xxx_update_isid(). We need original isid in
- * function qla4xxx_compare_tuple_ddb to find duplicate
- * target */
- memcpy(&nt_ddb_idx->flash_isid[0],
- &fw_ddb_entry->isid[0],
- sizeof(nt_ddb_idx->flash_isid));
- ret = qla4xxx_is_flash_ddb_exists(ha, list_nt,
- fw_ddb_entry);
- if (ret == QLA_SUCCESS) {
- /* free nt_ddb_idx and do not add to list_nt */
- vfree(nt_ddb_idx);
- goto continue_next_nt;
- }
- /* Copy updated isid */
- memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry,
- sizeof(struct dev_db_entry));
- list_add_tail(&nt_ddb_idx->list, list_nt);
- } else if (is_reset == RESET_ADAPTER) {
- ret = qla4xxx_is_session_exists(ha, fw_ddb_entry,
- &ddb_idx);
- if (ret == QLA_SUCCESS) {
- ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha,
- ddb_idx);
- if (ddb_entry != NULL)
- qla4xxx_update_sess_disc_idx(ha,
- ddb_entry,
- fw_ddb_entry);
- goto continue_next_nt;
- }
- }
- ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx);
- if (ret == QLA_ERROR)
- goto exit_nt_list;
- continue_next_nt:
- if (next_idx == 0)
- break;
- }
- exit_nt_list:
- if (fw_ddb_entry)
- dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
- }
- static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha,
- struct list_head *list_nt,
- uint16_t target_id)
- {
- struct dev_db_entry *fw_ddb_entry;
- dma_addr_t fw_ddb_dma;
- int max_ddbs;
- int fw_idx_size;
- int ret;
- uint32_t idx = 0, next_idx = 0;
- uint32_t state = 0, conn_err = 0;
- uint16_t conn_id = 0;
- struct qla_ddb_index *nt_ddb_idx;
- fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
- &fw_ddb_dma);
- if (fw_ddb_entry == NULL) {
- DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
- goto exit_new_nt_list;
- }
- max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
- MAX_DEV_DB_ENTRIES;
- fw_idx_size = sizeof(struct qla_ddb_index);
- for (idx = 0; idx < max_ddbs; idx = next_idx) {
- ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
- NULL, &next_idx, &state,
- &conn_err, NULL, &conn_id);
- if (ret == QLA_ERROR)
- break;
- /* Check if NT, then add it to list */
- if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
- goto continue_next_new_nt;
- if (!(state == DDB_DS_NO_CONNECTION_ACTIVE))
- goto continue_next_new_nt;
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Adding DDB to session = 0x%x\n", idx));
- nt_ddb_idx = vmalloc(fw_idx_size);
- if (!nt_ddb_idx)
- break;
- nt_ddb_idx->fw_ddb_idx = idx;
- ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
- if (ret == QLA_SUCCESS) {
- /* free nt_ddb_idx and do not add to list_nt */
- vfree(nt_ddb_idx);
- goto continue_next_new_nt;
- }
- if (target_id < max_ddbs)
- fw_ddb_entry->ddb_link = cpu_to_le16(target_id);
- list_add_tail(&nt_ddb_idx->list, list_nt);
- ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
- idx);
- if (ret == QLA_ERROR)
- goto exit_new_nt_list;
- continue_next_new_nt:
- if (next_idx == 0)
- break;
- }
- exit_new_nt_list:
- if (fw_ddb_entry)
- dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
- }
- /**
- * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry
- * @dev: dev associated with the sysfs entry
- * @data: pointer to flashnode session object
- *
- * Returns:
- * 1: if flashnode entry is non-persistent
- * 0: if flashnode entry is persistent
- **/
- static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data)
- {
- struct iscsi_bus_flash_session *fnode_sess;
- if (!iscsi_flashnode_bus_match(dev, NULL))
- return 0;
- fnode_sess = iscsi_dev_to_flash_session(dev);
- return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT);
- }
- /**
- * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target
- * @ha: pointer to host
- * @fw_ddb_entry: flash ddb data
- * @idx: target index
- * @user: if set then this call is made from userland else from kernel
- *
- * Returns:
- * On sucess: QLA_SUCCESS
- * On failure: QLA_ERROR
- *
- * This create separate sysfs entries for session and connection attributes of
- * the given fw ddb entry.
- * If this is invoked as a result of a userspace call then the entry is marked
- * as nonpersistent using flash_state field.
- **/
- static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha,
- struct dev_db_entry *fw_ddb_entry,
- uint16_t *idx, int user)
- {
- struct iscsi_bus_flash_session *fnode_sess = NULL;
- struct iscsi_bus_flash_conn *fnode_conn = NULL;
- int rc = QLA_ERROR;
- fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx,
- &qla4xxx_iscsi_transport, 0);
- if (!fnode_sess) {
- ql4_printk(KERN_ERR, ha,
- "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n",
- __func__, *idx, ha->host_no);
- goto exit_tgt_create;
- }
- fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess,
- &qla4xxx_iscsi_transport, 0);
- if (!fnode_conn) {
- ql4_printk(KERN_ERR, ha,
- "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n",
- __func__, *idx, ha->host_no);
- goto free_sess;
- }
- if (user) {
- fnode_sess->flash_state = DEV_DB_NON_PERSISTENT;
- } else {
- fnode_sess->flash_state = DEV_DB_PERSISTENT;
- if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx)
- fnode_sess->is_boot_target = 1;
- else
- fnode_sess->is_boot_target = 0;
- }
- rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn,
- fw_ddb_entry);
- if (rc)
- goto free_sess;
- ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
- __func__, fnode_sess->dev.kobj.name);
- ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
- __func__, fnode_conn->dev.kobj.name);
- return QLA_SUCCESS;
- free_sess:
- iscsi_destroy_flashnode_sess(fnode_sess);
- exit_tgt_create:
- return QLA_ERROR;
- }
- /**
- * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash
- * @shost: pointer to host
- * @buf: type of ddb entry (ipv4/ipv6)
- * @len: length of buf
- *
- * This creates new ddb entry in the flash by finding first free index and
- * storing default ddb there. And then create sysfs entry for the new ddb entry.
- **/
- static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf,
- int len)
- {
- struct scsi_qla_host *ha = to_qla_host(shost);
- struct dev_db_entry *fw_ddb_entry = NULL;
- dma_addr_t fw_ddb_entry_dma;
- struct device *dev;
- uint16_t idx = 0;
- uint16_t max_ddbs = 0;
- uint32_t options = 0;
- uint32_t rval = QLA_ERROR;
- if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) &&
- strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) {
- DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n",
- __func__));
- goto exit_ddb_add;
- }
- max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
- MAX_DEV_DB_ENTRIES;
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (!fw_ddb_entry) {
- DEBUG2(ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n",
- __func__));
- goto exit_ddb_add;
- }
- dev = iscsi_find_flashnode_sess(ha->host, NULL,
- qla4xxx_sysfs_ddb_is_non_persistent);
- if (dev) {
- ql4_printk(KERN_ERR, ha,
- "%s: A non-persistent entry %s found\n",
- __func__, dev->kobj.name);
- put_device(dev);
- goto exit_ddb_add;
- }
- /* Index 0 and 1 are reserved for boot target entries */
- for (idx = 2; idx < max_ddbs; idx++) {
- if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry,
- fw_ddb_entry_dma, idx))
- break;
- }
- if (idx == max_ddbs)
- goto exit_ddb_add;
- if (!strncasecmp("ipv6", buf, 4))
- options |= IPV6_DEFAULT_DDB_ENTRY;
- rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
- if (rval == QLA_ERROR)
- goto exit_ddb_add;
- rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1);
- exit_ddb_add:
- if (fw_ddb_entry)
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
- if (rval == QLA_SUCCESS)
- return idx;
- else
- return -EIO;
- }
- /**
- * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash
- * @fnode_sess: pointer to session attrs of flash ddb entry
- * @fnode_conn: pointer to connection attrs of flash ddb entry
- *
- * This writes the contents of target ddb buffer to Flash with a valid cookie
- * value in order to make the ddb entry persistent.
- **/
- static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess,
- struct iscsi_bus_flash_conn *fnode_conn)
- {
- struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
- struct scsi_qla_host *ha = to_qla_host(shost);
- uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
- struct dev_db_entry *fw_ddb_entry = NULL;
- dma_addr_t fw_ddb_entry_dma;
- uint32_t options = 0;
- int rval = 0;
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (!fw_ddb_entry) {
- DEBUG2(ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n",
- __func__));
- rval = -ENOMEM;
- goto exit_ddb_apply;
- }
- if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
- options |= IPV6_DEFAULT_DDB_ENTRY;
- rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
- if (rval == QLA_ERROR)
- goto exit_ddb_apply;
- dev_db_start_offset += (fnode_sess->target_id *
- sizeof(*fw_ddb_entry));
- qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
- fw_ddb_entry->cookie = DDB_VALID_COOKIE;
- rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
- sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT);
- if (rval == QLA_SUCCESS) {
- fnode_sess->flash_state = DEV_DB_PERSISTENT;
- ql4_printk(KERN_INFO, ha,
- "%s: flash node %u of host %lu written to flash\n",
- __func__, fnode_sess->target_id, ha->host_no);
- } else {
- rval = -EIO;
- ql4_printk(KERN_ERR, ha,
- "%s: Error while writing flash node %u of host %lu to flash\n",
- __func__, fnode_sess->target_id, ha->host_no);
- }
- exit_ddb_apply:
- if (fw_ddb_entry)
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
- return rval;
- }
- static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha,
- struct dev_db_entry *fw_ddb_entry,
- uint16_t idx)
- {
- struct dev_db_entry *ddb_entry = NULL;
- dma_addr_t ddb_entry_dma;
- unsigned long wtime;
- uint32_t mbx_sts = 0;
- uint32_t state = 0, conn_err = 0;
- uint16_t tmo = 0;
- int ret = 0;
- ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
- &ddb_entry_dma, GFP_KERNEL);
- if (!ddb_entry) {
- DEBUG2(ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n",
- __func__));
- return QLA_ERROR;
- }
- memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry));
- ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts);
- if (ret != QLA_SUCCESS) {
- DEBUG2(ql4_printk(KERN_ERR, ha,
- "%s: Unable to set ddb entry for index %d\n",
- __func__, idx));
- goto exit_ddb_conn_open;
- }
- qla4xxx_conn_open(ha, idx);
- /* To ensure that sendtargets is done, wait for at least 12 secs */
- tmo = ((ha->def_timeout > LOGIN_TOV) &&
- (ha->def_timeout < LOGIN_TOV * 10) ?
- ha->def_timeout : LOGIN_TOV);
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Default time to wait for login to ddb %d\n", tmo));
- wtime = jiffies + (HZ * tmo);
- do {
- ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
- NULL, &state, &conn_err, NULL,
- NULL);
- if (ret == QLA_ERROR)
- continue;
- if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
- state == DDB_DS_SESSION_FAILED)
- break;
- schedule_timeout_uninterruptible(HZ / 10);
- } while (time_after(wtime, jiffies));
- exit_ddb_conn_open:
- if (ddb_entry)
- dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
- ddb_entry, ddb_entry_dma);
- return ret;
- }
- static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha,
- struct dev_db_entry *fw_ddb_entry,
- uint16_t target_id)
- {
- struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
- struct list_head list_nt;
- uint16_t ddb_index;
- int ret = 0;
- if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) {
- ql4_printk(KERN_WARNING, ha,
- "%s: A discovery already in progress!\n", __func__);
- return QLA_ERROR;
- }
- INIT_LIST_HEAD(&list_nt);
- set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
- ret = qla4xxx_get_ddb_index(ha, &ddb_index);
- if (ret == QLA_ERROR)
- goto exit_login_st_clr_bit;
- ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index);
- if (ret == QLA_ERROR)
- goto exit_login_st;
- qla4xxx_build_new_nt_list(ha, &list_nt, target_id);
- list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) {
- list_del_init(&ddb_idx->list);
- qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx);
- vfree(ddb_idx);
- }
- exit_login_st:
- if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) {
- ql4_printk(KERN_ERR, ha,
- "Unable to clear DDB index = 0x%x\n", ddb_index);
- }
- clear_bit(ddb_index, ha->ddb_idx_map);
- exit_login_st_clr_bit:
- clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
- return ret;
- }
- static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha,
- struct dev_db_entry *fw_ddb_entry,
- uint16_t idx)
- {
- int ret = QLA_ERROR;
- ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
- if (ret != QLA_SUCCESS)
- ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
- idx);
- else
- ret = -EPERM;
- return ret;
- }
- /**
- * qla4xxx_sysfs_ddb_login - Login to the specified target
- * @fnode_sess: pointer to session attrs of flash ddb entry
- * @fnode_conn: pointer to connection attrs of flash ddb entry
- *
- * This logs in to the specified target
- **/
- static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
- struct iscsi_bus_flash_conn *fnode_conn)
- {
- struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
- struct scsi_qla_host *ha = to_qla_host(shost);
- struct dev_db_entry *fw_ddb_entry = NULL;
- dma_addr_t fw_ddb_entry_dma;
- uint32_t options = 0;
- int ret = 0;
- if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) {
- ql4_printk(KERN_ERR, ha,
- "%s: Target info is not persistent\n", __func__);
- ret = -EIO;
- goto exit_ddb_login;
- }
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (!fw_ddb_entry) {
- DEBUG2(ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n",
- __func__));
- ret = -ENOMEM;
- goto exit_ddb_login;
- }
- if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
- options |= IPV6_DEFAULT_DDB_ENTRY;
- ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
- if (ret == QLA_ERROR)
- goto exit_ddb_login;
- qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
- fw_ddb_entry->cookie = DDB_VALID_COOKIE;
- if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
- ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry,
- fnode_sess->target_id);
- else
- ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry,
- fnode_sess->target_id);
- if (ret > 0)
- ret = -EIO;
- exit_ddb_login:
- if (fw_ddb_entry)
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
- return ret;
- }
- /**
- * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target
- * @cls_sess: pointer to session to be logged out
- *
- * This performs session log out from the specified target
- **/
- static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess)
- {
- struct iscsi_session *sess;
- struct ddb_entry *ddb_entry = NULL;
- struct scsi_qla_host *ha;
- struct dev_db_entry *fw_ddb_entry = NULL;
- dma_addr_t fw_ddb_entry_dma;
- unsigned long flags;
- unsigned long wtime;
- uint32_t ddb_state;
- int options;
- int ret = 0;
- sess = cls_sess->dd_data;
- ddb_entry = sess->dd_data;
- ha = ddb_entry->ha;
- if (ddb_entry->ddb_type != FLASH_DDB) {
- ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n",
- __func__);
- ret = -ENXIO;
- goto exit_ddb_logout;
- }
- if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
- ql4_printk(KERN_ERR, ha,
- "%s: Logout from boot target entry is not permitted.\n",
- __func__);
- ret = -EPERM;
- goto exit_ddb_logout;
- }
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (!fw_ddb_entry) {
- ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n", __func__);
- ret = -ENOMEM;
- goto exit_ddb_logout;
- }
- if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
- goto ddb_logout_init;
- ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
- fw_ddb_entry, fw_ddb_entry_dma,
- NULL, NULL, &ddb_state, NULL,
- NULL, NULL);
- if (ret == QLA_ERROR)
- goto ddb_logout_init;
- if (ddb_state == DDB_DS_SESSION_ACTIVE)
- goto ddb_logout_init;
- /* wait until next relogin is triggered using DF_RELOGIN and
- * clear DF_RELOGIN to avoid invocation of further relogin
- */
- wtime = jiffies + (HZ * RELOGIN_TOV);
- do {
- if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags))
- goto ddb_logout_init;
- schedule_timeout_uninterruptible(HZ);
- } while ((time_after(wtime, jiffies)));
- ddb_logout_init:
- atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
- atomic_set(&ddb_entry->relogin_timer, 0);
- options = LOGOUT_OPTION_CLOSE_SESSION;
- qla4xxx_session_logout_ddb(ha, ddb_entry, options);
- memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
- wtime = jiffies + (HZ * LOGOUT_TOV);
- do {
- ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
- fw_ddb_entry, fw_ddb_entry_dma,
- NULL, NULL, &ddb_state, NULL,
- NULL, NULL);
- if (ret == QLA_ERROR)
- goto ddb_logout_clr_sess;
- if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
- (ddb_state == DDB_DS_SESSION_FAILED))
- goto ddb_logout_clr_sess;
- schedule_timeout_uninterruptible(HZ);
- } while ((time_after(wtime, jiffies)));
- ddb_logout_clr_sess:
- qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
- /*
- * we have decremented the reference count of the driver
- * when we setup the session to have the driver unload
- * to be seamless without actually destroying the
- * session
- **/
- try_module_get(qla4xxx_iscsi_transport.owner);
- iscsi_destroy_endpoint(ddb_entry->conn->ep);
- spin_lock_irqsave(&ha->hardware_lock, flags);
- qla4xxx_free_ddb(ha, ddb_entry);
- clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- iscsi_session_teardown(ddb_entry->sess);
- clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags);
- ret = QLA_SUCCESS;
- exit_ddb_logout:
- if (fw_ddb_entry)
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
- return ret;
- }
- /**
- * qla4xxx_sysfs_ddb_logout - Logout from the specified target
- * @fnode_sess: pointer to session attrs of flash ddb entry
- * @fnode_conn: pointer to connection attrs of flash ddb entry
- *
- * This performs log out from the specified target
- **/
- static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
- struct iscsi_bus_flash_conn *fnode_conn)
- {
- struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
- struct scsi_qla_host *ha = to_qla_host(shost);
- struct ql4_tuple_ddb *flash_tddb = NULL;
- struct ql4_tuple_ddb *tmp_tddb = NULL;
- struct dev_db_entry *fw_ddb_entry = NULL;
- struct ddb_entry *ddb_entry = NULL;
- dma_addr_t fw_ddb_dma;
- uint32_t next_idx = 0;
- uint32_t state = 0, conn_err = 0;
- uint16_t conn_id = 0;
- int idx, index;
- int status, ret = 0;
- fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
- &fw_ddb_dma);
- if (fw_ddb_entry == NULL) {
- ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__);
- ret = -ENOMEM;
- goto exit_ddb_logout;
- }
- flash_tddb = vzalloc(sizeof(*flash_tddb));
- if (!flash_tddb) {
- ql4_printk(KERN_WARNING, ha,
- "%s:Memory Allocation failed.\n", __func__);
- ret = -ENOMEM;
- goto exit_ddb_logout;
- }
- tmp_tddb = vzalloc(sizeof(*tmp_tddb));
- if (!tmp_tddb) {
- ql4_printk(KERN_WARNING, ha,
- "%s:Memory Allocation failed.\n", __func__);
- ret = -ENOMEM;
- goto exit_ddb_logout;
- }
- if (!fnode_sess->targetname) {
- ql4_printk(KERN_ERR, ha,
- "%s:Cannot logout from SendTarget entry\n",
- __func__);
- ret = -EPERM;
- goto exit_ddb_logout;
- }
- if (fnode_sess->is_boot_target) {
- ql4_printk(KERN_ERR, ha,
- "%s: Logout from boot target entry is not permitted.\n",
- __func__);
- ret = -EPERM;
- goto exit_ddb_logout;
- }
- strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname,
- ISCSI_NAME_SIZE);
- if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
- sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress);
- else
- sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress);
- flash_tddb->tpgt = fnode_sess->tpgt;
- flash_tddb->port = fnode_conn->port;
- COPY_ISID(flash_tddb->isid, fnode_sess->isid);
- for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
- ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
- if (ddb_entry == NULL)
- continue;
- if (ddb_entry->ddb_type != FLASH_DDB)
- continue;
- index = ddb_entry->sess->target_id;
- status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry,
- fw_ddb_dma, NULL, &next_idx,
- &state, &conn_err, NULL,
- &conn_id);
- if (status == QLA_ERROR) {
- ret = -ENOMEM;
- break;
- }
- qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL);
- status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb,
- true);
- if (status == QLA_SUCCESS) {
- ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess);
- break;
- }
- }
- if (idx == MAX_DDB_ENTRIES)
- ret = -ESRCH;
- exit_ddb_logout:
- vfree(flash_tddb);
- vfree(tmp_tddb);
- if (fw_ddb_entry)
- dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
- return ret;
- }
- static int
- qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess,
- int param, char *buf)
- {
- struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
- struct scsi_qla_host *ha = to_qla_host(shost);
- struct iscsi_bus_flash_conn *fnode_conn;
- struct ql4_chap_table chap_tbl;
- struct device *dev;
- int parent_type;
- int rc = 0;
- dev = iscsi_find_flashnode_conn(fnode_sess);
- if (!dev)
- return -EIO;
- fnode_conn = iscsi_dev_to_flash_conn(dev);
- switch (param) {
- case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
- rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6);
- break;
- case ISCSI_FLASHNODE_PORTAL_TYPE:
- rc = sprintf(buf, "%s\n", fnode_sess->portal_type);
- break;
- case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
- rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable);
- break;
- case ISCSI_FLASHNODE_DISCOVERY_SESS:
- rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess);
- break;
- case ISCSI_FLASHNODE_ENTRY_EN:
- rc = sprintf(buf, "%u\n", fnode_sess->entry_state);
- break;
- case ISCSI_FLASHNODE_HDR_DGST_EN:
- rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en);
- break;
- case ISCSI_FLASHNODE_DATA_DGST_EN:
- rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en);
- break;
- case ISCSI_FLASHNODE_IMM_DATA_EN:
- rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en);
- break;
- case ISCSI_FLASHNODE_INITIAL_R2T_EN:
- rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en);
- break;
- case ISCSI_FLASHNODE_DATASEQ_INORDER:
- rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en);
- break;
- case ISCSI_FLASHNODE_PDU_INORDER:
- rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en);
- break;
- case ISCSI_FLASHNODE_CHAP_AUTH_EN:
- rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en);
- break;
- case ISCSI_FLASHNODE_SNACK_REQ_EN:
- rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en);
- break;
- case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
- rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en);
- break;
- case ISCSI_FLASHNODE_BIDI_CHAP_EN:
- rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en);
- break;
- case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
- rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional);
- break;
- case ISCSI_FLASHNODE_ERL:
- rc = sprintf(buf, "%u\n", fnode_sess->erl);
- break;
- case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
- rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat);
- break;
- case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
- rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable);
- break;
- case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
- rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable);
- break;
- case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
- rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale);
- break;
- case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
- rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en);
- break;
- case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
- rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable);
- break;
- case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
- rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength);
- break;
- case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
- rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength);
- break;
- case ISCSI_FLASHNODE_FIRST_BURST:
- rc = sprintf(buf, "%u\n", fnode_sess->first_burst);
- break;
- case ISCSI_FLASHNODE_DEF_TIME2WAIT:
- rc = sprintf(buf, "%u\n", fnode_sess->time2wait);
- break;
- case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
- rc = sprintf(buf, "%u\n", fnode_sess->time2retain);
- break;
- case ISCSI_FLASHNODE_MAX_R2T:
- rc = sprintf(buf, "%u\n", fnode_sess->max_r2t);
- break;
- case ISCSI_FLASHNODE_KEEPALIVE_TMO:
- rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout);
- break;
- case ISCSI_FLASHNODE_ISID:
- rc = sprintf(buf, "%pm\n", fnode_sess->isid);
- break;
- case ISCSI_FLASHNODE_TSID:
- rc = sprintf(buf, "%u\n", fnode_sess->tsid);
- break;
- case ISCSI_FLASHNODE_PORT:
- rc = sprintf(buf, "%d\n", fnode_conn->port);
- break;
- case ISCSI_FLASHNODE_MAX_BURST:
- rc = sprintf(buf, "%u\n", fnode_sess->max_burst);
- break;
- case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
- rc = sprintf(buf, "%u\n",
- fnode_sess->default_taskmgmt_timeout);
- break;
- case ISCSI_FLASHNODE_IPADDR:
- if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
- rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress);
- else
- rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress);
- break;
- case ISCSI_FLASHNODE_ALIAS:
- if (fnode_sess->targetalias)
- rc = sprintf(buf, "%s\n", fnode_sess->targetalias);
- else
- rc = sprintf(buf, "\n");
- break;
- case ISCSI_FLASHNODE_REDIRECT_IPADDR:
- if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
- rc = sprintf(buf, "%pI6\n",
- fnode_conn->redirect_ipaddr);
- else
- rc = sprintf(buf, "%pI4\n",
- fnode_conn->redirect_ipaddr);
- break;
- case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
- rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size);
- break;
- case ISCSI_FLASHNODE_LOCAL_PORT:
- rc = sprintf(buf, "%u\n", fnode_conn->local_port);
- break;
- case ISCSI_FLASHNODE_IPV4_TOS:
- rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos);
- break;
- case ISCSI_FLASHNODE_IPV6_TC:
- if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
- rc = sprintf(buf, "%u\n",
- fnode_conn->ipv6_traffic_class);
- else
- rc = sprintf(buf, "\n");
- break;
- case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
- rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label);
- break;
- case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
- if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
- rc = sprintf(buf, "%pI6\n",
- fnode_conn->link_local_ipv6_addr);
- else
- rc = sprintf(buf, "\n");
- break;
- case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
- rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx);
- break;
- case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
- if (fnode_sess->discovery_parent_type == DDB_ISNS)
- parent_type = ISCSI_DISC_PARENT_ISNS;
- else if (fnode_sess->discovery_parent_type == DDB_NO_LINK)
- parent_type = ISCSI_DISC_PARENT_UNKNOWN;
- else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES)
- parent_type = ISCSI_DISC_PARENT_SENDTGT;
- else
- parent_type = ISCSI_DISC_PARENT_UNKNOWN;
- rc = sprintf(buf, "%s\n",
- iscsi_get_discovery_parent_name(parent_type));
- break;
- case ISCSI_FLASHNODE_NAME:
- if (fnode_sess->targetname)
- rc = sprintf(buf, "%s\n", fnode_sess->targetname);
- else
- rc = sprintf(buf, "\n");
- break;
- case ISCSI_FLASHNODE_TPGT:
- rc = sprintf(buf, "%u\n", fnode_sess->tpgt);
- break;
- case ISCSI_FLASHNODE_TCP_XMIT_WSF:
- rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf);
- break;
- case ISCSI_FLASHNODE_TCP_RECV_WSF:
- rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf);
- break;
- case ISCSI_FLASHNODE_CHAP_OUT_IDX:
- rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx);
- break;
- case ISCSI_FLASHNODE_USERNAME:
- if (fnode_sess->chap_auth_en) {
- qla4xxx_get_uni_chap_at_index(ha,
- chap_tbl.name,
- chap_tbl.secret,
- fnode_sess->chap_out_idx);
- rc = sprintf(buf, "%s\n", chap_tbl.name);
- } else {
- rc = sprintf(buf, "\n");
- }
- break;
- case ISCSI_FLASHNODE_PASSWORD:
- if (fnode_sess->chap_auth_en) {
- qla4xxx_get_uni_chap_at_index(ha,
- chap_tbl.name,
- chap_tbl.secret,
- fnode_sess->chap_out_idx);
- rc = sprintf(buf, "%s\n", chap_tbl.secret);
- } else {
- rc = sprintf(buf, "\n");
- }
- break;
- case ISCSI_FLASHNODE_STATSN:
- rc = sprintf(buf, "%u\n", fnode_conn->statsn);
- break;
- case ISCSI_FLASHNODE_EXP_STATSN:
- rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn);
- break;
- case ISCSI_FLASHNODE_IS_BOOT_TGT:
- rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target);
- break;
- default:
- rc = -ENOSYS;
- break;
- }
- put_device(dev);
- return rc;
- }
- /**
- * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry
- * @fnode_sess: pointer to session attrs of flash ddb entry
- * @fnode_conn: pointer to connection attrs of flash ddb entry
- * @data: Parameters and their values to update
- * @len: len of data
- *
- * This sets the parameter of flash ddb entry and writes them to flash
- **/
- static int
- qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
- struct iscsi_bus_flash_conn *fnode_conn,
- void *data, int len)
- {
- struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
- struct scsi_qla_host *ha = to_qla_host(shost);
- struct iscsi_flashnode_param_info *fnode_param;
- struct ql4_chap_table chap_tbl;
- struct nlattr *attr;
- uint16_t chap_out_idx = INVALID_ENTRY;
- int rc = QLA_ERROR;
- uint32_t rem = len;
- memset((void *)&chap_tbl, 0, sizeof(chap_tbl));
- nla_for_each_attr(attr, data, len, rem) {
- if (nla_len(attr) < sizeof(*fnode_param)) {
- rc = -EINVAL;
- goto exit_set_param;
- }
- fnode_param = nla_data(attr);
- switch (fnode_param->param) {
- case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
- fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_PORTAL_TYPE:
- memcpy(fnode_sess->portal_type, fnode_param->value,
- strlen(fnode_sess->portal_type));
- break;
- case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
- fnode_sess->auto_snd_tgt_disable =
- fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_DISCOVERY_SESS:
- fnode_sess->discovery_sess = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_ENTRY_EN:
- fnode_sess->entry_state = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_HDR_DGST_EN:
- fnode_conn->hdrdgst_en = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_DATA_DGST_EN:
- fnode_conn->datadgst_en = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_IMM_DATA_EN:
- fnode_sess->imm_data_en = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_INITIAL_R2T_EN:
- fnode_sess->initial_r2t_en = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_DATASEQ_INORDER:
- fnode_sess->dataseq_inorder_en = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_PDU_INORDER:
- fnode_sess->pdu_inorder_en = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_CHAP_AUTH_EN:
- fnode_sess->chap_auth_en = fnode_param->value[0];
- /* Invalidate chap index if chap auth is disabled */
- if (!fnode_sess->chap_auth_en)
- fnode_sess->chap_out_idx = INVALID_ENTRY;
- break;
- case ISCSI_FLASHNODE_SNACK_REQ_EN:
- fnode_conn->snack_req_en = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
- fnode_sess->discovery_logout_en = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_BIDI_CHAP_EN:
- fnode_sess->bidi_chap_en = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
- fnode_sess->discovery_auth_optional =
- fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_ERL:
- fnode_sess->erl = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
- fnode_conn->tcp_timestamp_stat = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
- fnode_conn->tcp_nagle_disable = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
- fnode_conn->tcp_wsf_disable = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
- fnode_conn->tcp_timer_scale = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
- fnode_conn->tcp_timestamp_en = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
- fnode_conn->fragment_disable = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
- fnode_conn->max_recv_dlength =
- *(unsigned *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
- fnode_conn->max_xmit_dlength =
- *(unsigned *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_FIRST_BURST:
- fnode_sess->first_burst =
- *(unsigned *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_DEF_TIME2WAIT:
- fnode_sess->time2wait = *(uint16_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
- fnode_sess->time2retain =
- *(uint16_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_MAX_R2T:
- fnode_sess->max_r2t =
- *(uint16_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_KEEPALIVE_TMO:
- fnode_conn->keepalive_timeout =
- *(uint16_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_ISID:
- memcpy(fnode_sess->isid, fnode_param->value,
- sizeof(fnode_sess->isid));
- break;
- case ISCSI_FLASHNODE_TSID:
- fnode_sess->tsid = *(uint16_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_PORT:
- fnode_conn->port = *(uint16_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_MAX_BURST:
- fnode_sess->max_burst = *(unsigned *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
- fnode_sess->default_taskmgmt_timeout =
- *(uint16_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_IPADDR:
- memcpy(fnode_conn->ipaddress, fnode_param->value,
- IPv6_ADDR_LEN);
- break;
- case ISCSI_FLASHNODE_ALIAS:
- rc = iscsi_switch_str_param(&fnode_sess->targetalias,
- (char *)fnode_param->value);
- break;
- case ISCSI_FLASHNODE_REDIRECT_IPADDR:
- memcpy(fnode_conn->redirect_ipaddr, fnode_param->value,
- IPv6_ADDR_LEN);
- break;
- case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
- fnode_conn->max_segment_size =
- *(unsigned *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_LOCAL_PORT:
- fnode_conn->local_port =
- *(uint16_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_IPV4_TOS:
- fnode_conn->ipv4_tos = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_IPV6_TC:
- fnode_conn->ipv6_traffic_class = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
- fnode_conn->ipv6_flow_label = fnode_param->value[0];
- break;
- case ISCSI_FLASHNODE_NAME:
- rc = iscsi_switch_str_param(&fnode_sess->targetname,
- (char *)fnode_param->value);
- break;
- case ISCSI_FLASHNODE_TPGT:
- fnode_sess->tpgt = *(uint16_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
- memcpy(fnode_conn->link_local_ipv6_addr,
- fnode_param->value, IPv6_ADDR_LEN);
- break;
- case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
- fnode_sess->discovery_parent_idx =
- *(uint16_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_TCP_XMIT_WSF:
- fnode_conn->tcp_xmit_wsf =
- *(uint8_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_TCP_RECV_WSF:
- fnode_conn->tcp_recv_wsf =
- *(uint8_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_STATSN:
- fnode_conn->statsn = *(uint32_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_EXP_STATSN:
- fnode_conn->exp_statsn =
- *(uint32_t *)fnode_param->value;
- break;
- case ISCSI_FLASHNODE_CHAP_OUT_IDX:
- chap_out_idx = *(uint16_t *)fnode_param->value;
- if (!qla4xxx_get_uni_chap_at_index(ha,
- chap_tbl.name,
- chap_tbl.secret,
- chap_out_idx)) {
- fnode_sess->chap_out_idx = chap_out_idx;
- /* Enable chap auth if chap index is valid */
- fnode_sess->chap_auth_en = QL4_PARAM_ENABLE;
- }
- break;
- default:
- ql4_printk(KERN_ERR, ha,
- "%s: No such sysfs attribute\n", __func__);
- rc = -ENOSYS;
- goto exit_set_param;
- }
- }
- rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn);
- exit_set_param:
- return rc;
- }
- /**
- * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry
- * @fnode_sess: pointer to session attrs of flash ddb entry
- *
- * This invalidates the flash ddb entry at the given index
- **/
- static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess)
- {
- struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
- struct scsi_qla_host *ha = to_qla_host(shost);
- uint32_t dev_db_start_offset;
- uint32_t dev_db_end_offset;
- struct dev_db_entry *fw_ddb_entry = NULL;
- dma_addr_t fw_ddb_entry_dma;
- uint16_t *ddb_cookie = NULL;
- size_t ddb_size = 0;
- void *pddb = NULL;
- int target_id;
- int rc = 0;
- if (fnode_sess->is_boot_target) {
- rc = -EPERM;
- DEBUG2(ql4_printk(KERN_ERR, ha,
- "%s: Deletion of boot target entry is not permitted.\n",
- __func__));
- goto exit_ddb_del;
- }
- if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT)
- goto sysfs_ddb_del;
- if (is_qla40XX(ha)) {
- dev_db_start_offset = FLASH_OFFSET_DB_INFO;
- dev_db_end_offset = FLASH_OFFSET_DB_END;
- dev_db_start_offset += (fnode_sess->target_id *
- sizeof(*fw_ddb_entry));
- ddb_size = sizeof(*fw_ddb_entry);
- } else {
- dev_db_start_offset = FLASH_RAW_ACCESS_ADDR +
- (ha->hw.flt_region_ddb << 2);
- /* flt_ddb_size is DDB table size for both ports
- * so divide it by 2 to calculate the offset for second port
- */
- if (ha->port_num == 1)
- dev_db_start_offset += (ha->hw.flt_ddb_size / 2);
- dev_db_end_offset = dev_db_start_offset +
- (ha->hw.flt_ddb_size / 2);
- dev_db_start_offset += (fnode_sess->target_id *
- sizeof(*fw_ddb_entry));
- dev_db_start_offset += offsetof(struct dev_db_entry, cookie);
- ddb_size = sizeof(*ddb_cookie);
- }
- DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n",
- __func__, dev_db_start_offset, dev_db_end_offset));
- if (dev_db_start_offset > dev_db_end_offset) {
- rc = -EIO;
- DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n",
- __func__, fnode_sess->target_id));
- goto exit_ddb_del;
- }
- pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size,
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (!pddb) {
- rc = -ENOMEM;
- DEBUG2(ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n",
- __func__));
- goto exit_ddb_del;
- }
- if (is_qla40XX(ha)) {
- fw_ddb_entry = pddb;
- memset(fw_ddb_entry, 0, ddb_size);
- ddb_cookie = &fw_ddb_entry->cookie;
- } else {
- ddb_cookie = pddb;
- }
- /* invalidate the cookie */
- *ddb_cookie = 0xFFEE;
- qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
- ddb_size, FLASH_OPT_RMW_COMMIT);
- sysfs_ddb_del:
- target_id = fnode_sess->target_id;
- iscsi_destroy_flashnode_sess(fnode_sess);
- ql4_printk(KERN_INFO, ha,
- "%s: session and conn entries for flashnode %u of host %lu deleted\n",
- __func__, target_id, ha->host_no);
- exit_ddb_del:
- if (pddb)
- dma_free_coherent(&ha->pdev->dev, ddb_size, pddb,
- fw_ddb_entry_dma);
- return rc;
- }
- /**
- * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs
- * @ha: pointer to adapter structure
- *
- * Export the firmware DDB for all send targets and normal targets to sysfs.
- **/
- int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha)
- {
- struct dev_db_entry *fw_ddb_entry = NULL;
- dma_addr_t fw_ddb_entry_dma;
- uint16_t max_ddbs;
- uint16_t idx = 0;
- int ret = QLA_SUCCESS;
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
- sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (!fw_ddb_entry) {
- DEBUG2(ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n",
- __func__));
- return -ENOMEM;
- }
- max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
- MAX_DEV_DB_ENTRIES;
- for (idx = 0; idx < max_ddbs; idx++) {
- if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma,
- idx))
- continue;
- ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0);
- if (ret) {
- ret = -EIO;
- break;
- }
- }
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry,
- fw_ddb_entry_dma);
- return ret;
- }
- static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha)
- {
- iscsi_destroy_all_flashnode(ha->host);
- }
- /**
- * qla4xxx_build_ddb_list - Build ddb list and setup sessions
- * @ha: pointer to adapter structure
- * @is_reset: Is this init path or reset path
- *
- * Create a list of sendtargets (st) from firmware DDBs, issue send targets
- * using connection open, then create the list of normal targets (nt)
- * from firmware DDBs. Based on the list of nt setup session and connection
- * objects.
- **/
- void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
- {
- uint16_t tmo = 0;
- struct list_head list_st, list_nt;
- struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp;
- unsigned long wtime;
- if (!test_bit(AF_LINK_UP, &ha->flags)) {
- set_bit(AF_BUILD_DDB_LIST, &ha->flags);
- ha->is_reset = is_reset;
- return;
- }
- INIT_LIST_HEAD(&list_st);
- INIT_LIST_HEAD(&list_nt);
- qla4xxx_build_st_list(ha, &list_st);
- /* Before issuing conn open mbox, ensure all IPs states are configured
- * Note, conn open fails if IPs are not configured
- */
- qla4xxx_wait_for_ip_configuration(ha);
- /* Go thru the STs and fire the sendtargets by issuing conn open mbx */
- list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
- qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx);
- }
- /* Wait to ensure all sendtargets are done for min 12 sec wait */
- tmo = ((ha->def_timeout > LOGIN_TOV) &&
- (ha->def_timeout < LOGIN_TOV * 10) ?
- ha->def_timeout : LOGIN_TOV);
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "Default time to wait for build ddb %d\n", tmo));
- wtime = jiffies + (HZ * tmo);
- do {
- if (list_empty(&list_st))
- break;
- qla4xxx_remove_failed_ddb(ha, &list_st);
- schedule_timeout_uninterruptible(HZ / 10);
- } while (time_after(wtime, jiffies));
- qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset);
- qla4xxx_free_ddb_list(&list_st);
- qla4xxx_free_ddb_list(&list_nt);
- qla4xxx_free_ddb_index(ha);
- }
- /**
- * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login
- * response.
- * @ha: pointer to adapter structure
- *
- * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be
- * set in DDB and we will wait for login response of boot targets during
- * probe.
- **/
- static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha)
- {
- struct ddb_entry *ddb_entry;
- struct dev_db_entry *fw_ddb_entry = NULL;
- dma_addr_t fw_ddb_entry_dma;
- unsigned long wtime;
- uint32_t ddb_state;
- int max_ddbs, idx, ret;
- max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
- MAX_DEV_DB_ENTRIES;
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (!fw_ddb_entry) {
- ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n", __func__);
- goto exit_login_resp;
- }
- wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV);
- for (idx = 0; idx < max_ddbs; idx++) {
- ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
- if (ddb_entry == NULL)
- continue;
- if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "%s: DDB index [%d]\n", __func__,
- ddb_entry->fw_ddb_index));
- do {
- ret = qla4xxx_get_fwddb_entry(ha,
- ddb_entry->fw_ddb_index,
- fw_ddb_entry, fw_ddb_entry_dma,
- NULL, NULL, &ddb_state, NULL,
- NULL, NULL);
- if (ret == QLA_ERROR)
- goto exit_login_resp;
- if ((ddb_state == DDB_DS_SESSION_ACTIVE) ||
- (ddb_state == DDB_DS_SESSION_FAILED))
- break;
- schedule_timeout_uninterruptible(HZ);
- } while ((time_after(wtime, jiffies)));
- if (!time_after(wtime, jiffies)) {
- DEBUG2(ql4_printk(KERN_INFO, ha,
- "%s: Login response wait timer expired\n",
- __func__));
- goto exit_login_resp;
- }
- }
- }
- exit_login_resp:
- if (fw_ddb_entry)
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
- }
- /**
- * qla4xxx_probe_adapter - callback function to probe HBA
- * @pdev: pointer to pci_dev structure
- * @ent: pointer to pci_device entry
- *
- * This routine will probe for Qlogic 4xxx iSCSI host adapters.
- * It returns zero if successful. It also initializes all data necessary for
- * the driver.
- **/
- static int qla4xxx_probe_adapter(struct pci_dev *pdev,
- const struct pci_device_id *ent)
- {
- int ret = -ENODEV, status;
- struct Scsi_Host *host;
- struct scsi_qla_host *ha;
- uint8_t init_retry_count = 0;
- char buf[34];
- struct qla4_8xxx_legacy_intr_set *nx_legacy_intr;
- uint32_t dev_state;
- if (pci_enable_device(pdev))
- return -1;
- host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0);
- if (host == NULL) {
- printk(KERN_WARNING
- "qla4xxx: Couldn't allocate host from scsi layer!\n");
- goto probe_disable_device;
- }
- /* Clear our data area */
- ha = to_qla_host(host);
- memset(ha, 0, sizeof(*ha));
- /* Save the information from PCI BIOS. */
- ha->pdev = pdev;
- ha->host = host;
- ha->host_no = host->host_no;
- ha->func_num = PCI_FUNC(ha->pdev->devfn);
- pci_enable_pcie_error_reporting(pdev);
- /* Setup Runtime configurable options */
- if (is_qla8022(ha)) {
- ha->isp_ops = &qla4_82xx_isp_ops;
- ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl;
- ha->qdr_sn_window = -1;
- ha->ddr_mn_window = -1;
- ha->curr_window = 255;
- nx_legacy_intr = &legacy_intr[ha->func_num];
- ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
- ha->nx_legacy_intr.tgt_status_reg =
- nx_legacy_intr->tgt_status_reg;
- ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
- ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
- } else if (is_qla8032(ha) || is_qla8042(ha)) {
- ha->isp_ops = &qla4_83xx_isp_ops;
- ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl;
- } else {
- ha->isp_ops = &qla4xxx_isp_ops;
- }
- if (is_qla80XX(ha)) {
- rwlock_init(&ha->hw_lock);
- ha->pf_bit = ha->func_num << 16;
- /* Set EEH reset type to fundamental if required by hba */
- pdev->needs_freset = 1;
- }
- /* Configure PCI I/O space. */
- ret = ha->isp_ops->iospace_config(ha);
- if (ret)
- goto probe_failed_ioconfig;
- ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n",
- pdev->device, pdev->irq, ha->reg);
- qla4xxx_config_dma_addressing(ha);
- /* Initialize lists and spinlocks. */
- INIT_LIST_HEAD(&ha->free_srb_q);
- mutex_init(&ha->mbox_sem);
- mutex_init(&ha->chap_sem);
- init_completion(&ha->mbx_intr_comp);
- init_completion(&ha->disable_acb_comp);
- init_completion(&ha->idc_comp);
- init_completion(&ha->link_up_comp);
- spin_lock_init(&ha->hardware_lock);
- spin_lock_init(&ha->work_lock);
- /* Initialize work list */
- INIT_LIST_HEAD(&ha->work_list);
- /* Allocate dma buffers */
- if (qla4xxx_mem_alloc(ha)) {
- ql4_printk(KERN_WARNING, ha,
- "[ERROR] Failed to allocate memory for adapter\n");
- ret = -ENOMEM;
- goto probe_failed;
- }
- host->cmd_per_lun = 3;
- host->max_channel = 0;
- host->max_lun = MAX_LUNS - 1;
- host->max_id = MAX_TARGETS;
- host->max_cmd_len = IOCB_MAX_CDB_LEN;
- host->can_queue = MAX_SRBS ;
- host->transportt = qla4xxx_scsi_transport;
- pci_set_drvdata(pdev, ha);
- ret = scsi_add_host(host, &pdev->dev);
- if (ret)
- goto probe_failed;
- if (is_qla80XX(ha))
- qla4_8xxx_get_flash_info(ha);
- if (is_qla8032(ha) || is_qla8042(ha)) {
- qla4_83xx_read_reset_template(ha);
- /*
- * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0.
- * If DONRESET_BIT0 is set, drivers should not set dev_state
- * to NEED_RESET. But if NEED_RESET is set, drivers should
- * should honor the reset.
- */
- if (ql4xdontresethba == 1)
- qla4_83xx_set_idc_dontreset(ha);
- }
- /*
- * Initialize the Host adapter request/response queues and
- * firmware
- * NOTE: interrupts enabled upon successful completion
- */
- status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
- /* Dont retry adapter initialization if IRQ allocation failed */
- if (is_qla80XX(ha) && (status == QLA_ERROR))
- goto skip_retry_init;
- while ((!test_bit(AF_ONLINE, &ha->flags)) &&
- init_retry_count++ < MAX_INIT_RETRIES) {
- if (is_qla80XX(ha)) {
- ha->isp_ops->idc_lock(ha);
- dev_state = qla4_8xxx_rd_direct(ha,
- QLA8XXX_CRB_DEV_STATE);
- ha->isp_ops->idc_unlock(ha);
- if (dev_state == QLA8XXX_DEV_FAILED) {
- ql4_printk(KERN_WARNING, ha, "%s: don't retry "
- "initialize adapter. H/W is in failed state\n",
- __func__);
- break;
- }
- }
- DEBUG2(printk("scsi: %s: retrying adapter initialization "
- "(%d)\n", __func__, init_retry_count));
- if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
- continue;
- status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
- if (is_qla80XX(ha) && (status == QLA_ERROR)) {
- if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR)
- goto skip_retry_init;
- }
- }
- skip_retry_init:
- if (!test_bit(AF_ONLINE, &ha->flags)) {
- ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n");
- if ((is_qla8022(ha) && ql4xdontresethba) ||
- ((is_qla8032(ha) || is_qla8042(ha)) &&
- qla4_83xx_idc_dontreset(ha))) {
- /* Put the device in failed state. */
- DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n"));
- ha->isp_ops->idc_lock(ha);
- qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
- QLA8XXX_DEV_FAILED);
- ha->isp_ops->idc_unlock(ha);
- }
- ret = -ENODEV;
- goto remove_host;
- }
- /* Startup the kernel thread for this host adapter. */
- DEBUG2(printk("scsi: %s: Starting kernel thread for "
- "qla4xxx_dpc\n", __func__));
- sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no);
- ha->dpc_thread = create_singlethread_workqueue(buf);
- if (!ha->dpc_thread) {
- ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n");
- ret = -ENODEV;
- goto remove_host;
- }
- INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc);
- ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1,
- ha->host_no);
- if (!ha->task_wq) {
- ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n");
- ret = -ENODEV;
- goto remove_host;
- }
- /*
- * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc
- * (which is called indirectly by qla4xxx_initialize_adapter),
- * so that irqs will be registered after crbinit but before
- * mbx_intr_enable.
- */
- if (is_qla40XX(ha)) {
- ret = qla4xxx_request_irqs(ha);
- if (ret) {
- ql4_printk(KERN_WARNING, ha, "Failed to reserve "
- "interrupt %d already in use.\n", pdev->irq);
- goto remove_host;
- }
- }
- pci_save_state(ha->pdev);
- ha->isp_ops->enable_intrs(ha);
- /* Start timer thread. */
- qla4xxx_start_timer(ha, 1);
- set_bit(AF_INIT_DONE, &ha->flags);
- qla4_8xxx_alloc_sysfs_attr(ha);
- printk(KERN_INFO
- " QLogic iSCSI HBA Driver version: %s\n"
- " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n",
- qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev),
- ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor,
- ha->fw_info.fw_patch, ha->fw_info.fw_build);
- /* Set the driver version */
- if (is_qla80XX(ha))
- qla4_8xxx_set_param(ha, SET_DRVR_VERSION);
- if (qla4xxx_setup_boot_info(ha))
- ql4_printk(KERN_ERR, ha,
- "%s: No iSCSI boot target configured\n", __func__);
- set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags);
- /* Perform the build ddb list and login to each */
- qla4xxx_build_ddb_list(ha, INIT_ADAPTER);
- iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb);
- qla4xxx_wait_login_resp_boot_tgt(ha);
- qla4xxx_create_chap_list(ha);
- qla4xxx_create_ifaces(ha);
- return 0;
- remove_host:
- scsi_remove_host(ha->host);
- probe_failed:
- qla4xxx_free_adapter(ha);
- probe_failed_ioconfig:
- pci_disable_pcie_error_reporting(pdev);
- scsi_host_put(ha->host);
- probe_disable_device:
- pci_disable_device(pdev);
- return ret;
- }
- /**
- * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize
- * @ha: pointer to adapter structure
- *
- * Mark the other ISP-4xxx port to indicate that the driver is being removed,
- * so that the other port will not re-initialize while in the process of
- * removing the ha due to driver unload or hba hotplug.
- **/
- static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha)
- {
- struct scsi_qla_host *other_ha = NULL;
- struct pci_dev *other_pdev = NULL;
- int fn = ISP4XXX_PCI_FN_2;
- /*iscsi function numbers for ISP4xxx is 1 and 3*/
- if (PCI_FUNC(ha->pdev->devfn) & BIT_1)
- fn = ISP4XXX_PCI_FN_1;
- other_pdev =
- pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
- ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
- fn));
- /* Get other_ha if other_pdev is valid and state is enable*/
- if (other_pdev) {
- if (atomic_read(&other_pdev->enable_cnt)) {
- other_ha = pci_get_drvdata(other_pdev);
- if (other_ha) {
- set_bit(AF_HA_REMOVAL, &other_ha->flags);
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: "
- "Prevent %s reinit\n", __func__,
- dev_name(&other_ha->pdev->dev)));
- }
- }
- pci_dev_put(other_pdev);
- }
- }
- static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha,
- struct ddb_entry *ddb_entry)
- {
- struct dev_db_entry *fw_ddb_entry = NULL;
- dma_addr_t fw_ddb_entry_dma;
- unsigned long wtime;
- uint32_t ddb_state;
- int options;
- int status;
- options = LOGOUT_OPTION_CLOSE_SESSION;
- if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) {
- ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
- goto clear_ddb;
- }
- fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- &fw_ddb_entry_dma, GFP_KERNEL);
- if (!fw_ddb_entry) {
- ql4_printk(KERN_ERR, ha,
- "%s: Unable to allocate dma buffer\n", __func__);
- goto clear_ddb;
- }
- wtime = jiffies + (HZ * LOGOUT_TOV);
- do {
- status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
- fw_ddb_entry, fw_ddb_entry_dma,
- NULL, NULL, &ddb_state, NULL,
- NULL, NULL);
- if (status == QLA_ERROR)
- goto free_ddb;
- if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
- (ddb_state == DDB_DS_SESSION_FAILED))
- goto free_ddb;
- schedule_timeout_uninterruptible(HZ);
- } while ((time_after(wtime, jiffies)));
- free_ddb:
- dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
- fw_ddb_entry, fw_ddb_entry_dma);
- clear_ddb:
- qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
- }
- static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
- {
- struct ddb_entry *ddb_entry;
- int idx;
- for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
- ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
- if ((ddb_entry != NULL) &&
- (ddb_entry->ddb_type == FLASH_DDB)) {
- qla4xxx_destroy_ddb(ha, ddb_entry);
- /*
- * we have decremented the reference count of the driver
- * when we setup the session to have the driver unload
- * to be seamless without actually destroying the
- * session
- **/
- try_module_get(qla4xxx_iscsi_transport.owner);
- iscsi_destroy_endpoint(ddb_entry->conn->ep);
- qla4xxx_free_ddb(ha, ddb_entry);
- iscsi_session_teardown(ddb_entry->sess);
- }
- }
- }
- /**
- * qla4xxx_remove_adapter - callback function to remove adapter.
- * @pdev: PCI device pointer
- **/
- static void qla4xxx_remove_adapter(struct pci_dev *pdev)
- {
- struct scsi_qla_host *ha;
- /*
- * If the PCI device is disabled then it means probe_adapter had
- * failed and resources already cleaned up on probe_adapter exit.
- */
- if (!pci_is_enabled(pdev))
- return;
- ha = pci_get_drvdata(pdev);
- if (is_qla40XX(ha))
- qla4xxx_prevent_other_port_reinit(ha);
- /* destroy iface from sysfs */
- qla4xxx_destroy_ifaces(ha);
- if ((!ql4xdisablesysfsboot) && ha->boot_kset)
- iscsi_boot_destroy_kset(ha->boot_kset);
- qla4xxx_destroy_fw_ddb_session(ha);
- qla4_8xxx_free_sysfs_attr(ha);
- qla4xxx_sysfs_ddb_remove(ha);
- scsi_remove_host(ha->host);
- qla4xxx_free_adapter(ha);
- scsi_host_put(ha->host);
- pci_disable_pcie_error_reporting(pdev);
- pci_disable_device(pdev);
- }
- /**
- * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method.
- * @ha: HA context
- */
- static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha)
- {
- /* Update our PCI device dma_mask for full 64 bit mask */
- if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64))) {
- dev_dbg(&ha->pdev->dev,
- "Failed to set 64 bit PCI consistent mask; "
- "using 32 bit.\n");
- dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(32));
- }
- }
- static int qla4xxx_slave_alloc(struct scsi_device *sdev)
- {
- struct iscsi_cls_session *cls_sess;
- struct iscsi_session *sess;
- struct ddb_entry *ddb;
- int queue_depth = QL4_DEF_QDEPTH;
- cls_sess = starget_to_session(sdev->sdev_target);
- sess = cls_sess->dd_data;
- ddb = sess->dd_data;
- sdev->hostdata = ddb;
- if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU)
- queue_depth = ql4xmaxqdepth;
- scsi_change_queue_depth(sdev, queue_depth);
- return 0;
- }
- /**
- * qla4xxx_del_from_active_array - returns an active srb
- * @ha: Pointer to host adapter structure.
- * @index: index into the active_array
- *
- * This routine removes and returns the srb at the specified index
- **/
- struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
- uint32_t index)
- {
- struct srb *srb = NULL;
- struct scsi_cmnd *cmd = NULL;
- cmd = scsi_host_find_tag(ha->host, index);
- if (!cmd)
- return srb;
- srb = qla4xxx_cmd_priv(cmd)->srb;
- if (!srb)
- return srb;
- /* update counters */
- if (srb->flags & SRB_DMA_VALID) {
- ha->iocb_cnt -= srb->iocb_cnt;
- if (srb->cmd)
- srb->cmd->host_scribble =
- (unsigned char *)(unsigned long) MAX_SRBS;
- }
- return srb;
- }
- /**
- * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware
- * @ha: Pointer to host adapter structure.
- * @cmd: Scsi Command to wait on.
- *
- * This routine waits for the command to be returned by the Firmware
- * for some max time.
- **/
- static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha,
- struct scsi_cmnd *cmd)
- {
- int done = 0;
- struct srb *rp;
- uint32_t max_wait_time = EH_WAIT_CMD_TOV;
- int ret = SUCCESS;
- /* Dont wait on command if PCI error is being handled
- * by PCI AER driver
- */
- if (unlikely(pci_channel_offline(ha->pdev)) ||
- (test_bit(AF_EEH_BUSY, &ha->flags))) {
- ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n",
- ha->host_no, __func__);
- return ret;
- }
- do {
- /* Checking to see if its returned to OS */
- rp = qla4xxx_cmd_priv(cmd)->srb;
- if (rp == NULL) {
- done++;
- break;
- }
- msleep(2000);
- } while (max_wait_time--);
- return done;
- }
- /**
- * qla4xxx_wait_for_hba_online - waits for HBA to come online
- * @ha: Pointer to host adapter structure
- **/
- static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha)
- {
- unsigned long wait_online;
- wait_online = jiffies + (HBA_ONLINE_TOV * HZ);
- while (time_before(jiffies, wait_online)) {
- if (adapter_up(ha))
- return QLA_SUCCESS;
- msleep(2000);
- }
- return QLA_ERROR;
- }
- /**
- * qla4xxx_eh_wait_for_commands - wait for active cmds to finish.
- * @ha: pointer to HBA
- * @stgt: pointer to SCSI target
- * @sdev: pointer to SCSI device
- *
- * This function waits for all outstanding commands to a lun to complete. It
- * returns 0 if all pending commands are returned and 1 otherwise.
- **/
- static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha,
- struct scsi_target *stgt,
- struct scsi_device *sdev)
- {
- int cnt;
- int status = 0;
- struct scsi_cmnd *cmd;
- /*
- * Waiting for all commands for the designated target or dev
- * in the active array
- */
- for (cnt = 0; cnt < ha->host->can_queue; cnt++) {
- cmd = scsi_host_find_tag(ha->host, cnt);
- if (cmd && stgt == scsi_target(cmd->device) &&
- (!sdev || sdev == cmd->device)) {
- if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
- status++;
- break;
- }
- }
- }
- return status;
- }
- /**
- * qla4xxx_eh_abort - callback for abort task.
- * @cmd: Pointer to Linux's SCSI command structure
- *
- * This routine is called by the Linux OS to abort the specified
- * command.
- **/
- static int qla4xxx_eh_abort(struct scsi_cmnd *cmd)
- {
- struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
- unsigned int id = cmd->device->id;
- uint64_t lun = cmd->device->lun;
- unsigned long flags;
- struct srb *srb = NULL;
- int ret = SUCCESS;
- int wait = 0;
- int rval;
- ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n",
- ha->host_no, id, lun, cmd, cmd->cmnd[0]);
- rval = qla4xxx_isp_check_reg(ha);
- if (rval != QLA_SUCCESS) {
- ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
- return FAILED;
- }
- spin_lock_irqsave(&ha->hardware_lock, flags);
- srb = qla4xxx_cmd_priv(cmd)->srb;
- if (!srb) {
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n",
- ha->host_no, id, lun);
- return SUCCESS;
- }
- kref_get(&srb->srb_ref);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
- if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) {
- DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n",
- ha->host_no, id, lun));
- ret = FAILED;
- } else {
- DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n",
- ha->host_no, id, lun));
- wait = 1;
- }
- kref_put(&srb->srb_ref, qla4xxx_srb_compl);
- /* Wait for command to complete */
- if (wait) {
- if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
- DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n",
- ha->host_no, id, lun));
- ret = FAILED;
- }
- }
- ql4_printk(KERN_INFO, ha,
- "scsi%ld:%d:%llu: Abort command - %s\n",
- ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed");
- return ret;
- }
- /**
- * qla4xxx_eh_device_reset - callback for target reset.
- * @cmd: Pointer to Linux's SCSI command structure
- *
- * This routine is called by the Linux OS to reset all luns on the
- * specified target.
- **/
- static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
- {
- struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
- struct ddb_entry *ddb_entry = cmd->device->hostdata;
- int ret = FAILED, stat;
- int rval;
- if (!ddb_entry)
- return ret;
- ret = iscsi_block_scsi_eh(cmd);
- if (ret)
- return ret;
- ret = FAILED;
- ql4_printk(KERN_INFO, ha,
- "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no,
- cmd->device->channel, cmd->device->id, cmd->device->lun);
- DEBUG2(printk(KERN_INFO
- "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x,"
- "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no,
- cmd, jiffies, scsi_cmd_to_rq(cmd)->timeout / HZ,
- ha->dpc_flags, cmd->result, cmd->allowed));
- rval = qla4xxx_isp_check_reg(ha);
- if (rval != QLA_SUCCESS) {
- ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
- return FAILED;
- }
- /* FIXME: wait for hba to go online */
- stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun);
- if (stat != QLA_SUCCESS) {
- ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat);
- goto eh_dev_reset_done;
- }
- if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
- cmd->device)) {
- ql4_printk(KERN_INFO, ha,
- "DEVICE RESET FAILED - waiting for "
- "commands.\n");
- goto eh_dev_reset_done;
- }
- /* Send marker. */
- if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
- MM_LUN_RESET) != QLA_SUCCESS)
- goto eh_dev_reset_done;
- ql4_printk(KERN_INFO, ha,
- "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n",
- ha->host_no, cmd->device->channel, cmd->device->id,
- cmd->device->lun);
- ret = SUCCESS;
- eh_dev_reset_done:
- return ret;
- }
- /**
- * qla4xxx_eh_target_reset - callback for target reset.
- * @cmd: Pointer to Linux's SCSI command structure
- *
- * This routine is called by the Linux OS to reset the target.
- **/
- static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd)
- {
- struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
- struct ddb_entry *ddb_entry = cmd->device->hostdata;
- int stat, ret;
- int rval;
- if (!ddb_entry)
- return FAILED;
- ret = iscsi_block_scsi_eh(cmd);
- if (ret)
- return ret;
- starget_printk(KERN_INFO, scsi_target(cmd->device),
- "WARM TARGET RESET ISSUED.\n");
- DEBUG2(printk(KERN_INFO
- "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, "
- "to=%x,dpc_flags=%lx, status=%x allowed=%d\n",
- ha->host_no, cmd, jiffies, scsi_cmd_to_rq(cmd)->timeout / HZ,
- ha->dpc_flags, cmd->result, cmd->allowed));
- rval = qla4xxx_isp_check_reg(ha);
- if (rval != QLA_SUCCESS) {
- ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
- return FAILED;
- }
- stat = qla4xxx_reset_target(ha, ddb_entry);
- if (stat != QLA_SUCCESS) {
- starget_printk(KERN_INFO, scsi_target(cmd->device),
- "WARM TARGET RESET FAILED.\n");
- return FAILED;
- }
- if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
- NULL)) {
- starget_printk(KERN_INFO, scsi_target(cmd->device),
- "WARM TARGET DEVICE RESET FAILED - "
- "waiting for commands.\n");
- return FAILED;
- }
- /* Send marker. */
- if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
- MM_TGT_WARM_RESET) != QLA_SUCCESS) {
- starget_printk(KERN_INFO, scsi_target(cmd->device),
- "WARM TARGET DEVICE RESET FAILED - "
- "marker iocb failed.\n");
- return FAILED;
- }
- starget_printk(KERN_INFO, scsi_target(cmd->device),
- "WARM TARGET RESET SUCCEEDED.\n");
- return SUCCESS;
- }
- /**
- * qla4xxx_is_eh_active - check if error handler is running
- * @shost: Pointer to SCSI Host struct
- *
- * This routine finds that if reset host is called in EH
- * scenario or from some application like sg_reset
- **/
- static int qla4xxx_is_eh_active(struct Scsi_Host *shost)
- {
- if (shost->shost_state == SHOST_RECOVERY)
- return 1;
- return 0;
- }
- /**
- * qla4xxx_eh_host_reset - kernel callback
- * @cmd: Pointer to Linux's SCSI command structure
- *
- * This routine is invoked by the Linux kernel to perform fatal error
- * recovery on the specified adapter.
- **/
- static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
- {
- int return_status = FAILED;
- struct scsi_qla_host *ha;
- int rval;
- ha = to_qla_host(cmd->device->host);
- rval = qla4xxx_isp_check_reg(ha);
- if (rval != QLA_SUCCESS) {
- ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
- return FAILED;
- }
- if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba)
- qla4_83xx_set_idc_dontreset(ha);
- /*
- * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other
- * protocol drivers, we should not set device_state to NEED_RESET
- */
- if (ql4xdontresethba ||
- ((is_qla8032(ha) || is_qla8042(ha)) &&
- qla4_83xx_idc_dontreset(ha))) {
- DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
- ha->host_no, __func__));
- /* Clear outstanding srb in queues */
- if (qla4xxx_is_eh_active(cmd->device->host))
- qla4xxx_abort_active_cmds(ha, DID_ABORT << 16);
- return FAILED;
- }
- ql4_printk(KERN_INFO, ha,
- "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no,
- cmd->device->channel, cmd->device->id, cmd->device->lun);
- if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) {
- DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter "
- "DEAD.\n", ha->host_no, cmd->device->channel,
- __func__));
- return FAILED;
- }
- if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
- if (is_qla80XX(ha))
- set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
- else
- set_bit(DPC_RESET_HA, &ha->dpc_flags);
- }
- if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS)
- return_status = SUCCESS;
- ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n",
- return_status == FAILED ? "FAILED" : "SUCCEEDED");
- return return_status;
- }
- static int qla4xxx_context_reset(struct scsi_qla_host *ha)
- {
- uint32_t mbox_cmd[MBOX_REG_COUNT];
- uint32_t mbox_sts[MBOX_REG_COUNT];
- struct addr_ctrl_blk_def *acb = NULL;
- uint32_t acb_len = sizeof(struct addr_ctrl_blk_def);
- int rval = QLA_SUCCESS;
- dma_addr_t acb_dma;
- acb = dma_alloc_coherent(&ha->pdev->dev,
- sizeof(struct addr_ctrl_blk_def),
- &acb_dma, GFP_KERNEL);
- if (!acb) {
- ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n",
- __func__);
- rval = -ENOMEM;
- goto exit_port_reset;
- }
- memset(acb, 0, acb_len);
- rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len);
- if (rval != QLA_SUCCESS) {
- rval = -EIO;
- goto exit_free_acb;
- }
- rval = qla4xxx_disable_acb(ha);
- if (rval != QLA_SUCCESS) {
- rval = -EIO;
- goto exit_free_acb;
- }
- wait_for_completion_timeout(&ha->disable_acb_comp,
- DISABLE_ACB_TOV * HZ);
- rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma);
- if (rval != QLA_SUCCESS) {
- rval = -EIO;
- goto exit_free_acb;
- }
- exit_free_acb:
- dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def),
- acb, acb_dma);
- exit_port_reset:
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__,
- rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED"));
- return rval;
- }
- static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type)
- {
- struct scsi_qla_host *ha = to_qla_host(shost);
- int rval = QLA_SUCCESS;
- uint32_t idc_ctrl;
- if (ql4xdontresethba) {
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n",
- __func__));
- rval = -EPERM;
- goto exit_host_reset;
- }
- if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
- goto recover_adapter;
- switch (reset_type) {
- case SCSI_ADAPTER_RESET:
- set_bit(DPC_RESET_HA, &ha->dpc_flags);
- break;
- case SCSI_FIRMWARE_RESET:
- if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
- if (is_qla80XX(ha))
- /* set firmware context reset */
- set_bit(DPC_RESET_HA_FW_CONTEXT,
- &ha->dpc_flags);
- else {
- rval = qla4xxx_context_reset(ha);
- goto exit_host_reset;
- }
- }
- break;
- }
- recover_adapter:
- /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if
- * reset is issued by application */
- if ((is_qla8032(ha) || is_qla8042(ha)) &&
- test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
- idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
- qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL,
- (idc_ctrl | GRACEFUL_RESET_BIT1));
- }
- rval = qla4xxx_recover_adapter(ha);
- if (rval != QLA_SUCCESS) {
- DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n",
- __func__));
- rval = -EIO;
- }
- exit_host_reset:
- return rval;
- }
- /* PCI AER driver recovers from all correctable errors w/o
- * driver intervention. For uncorrectable errors PCI AER
- * driver calls the following device driver's callbacks
- *
- * - Fatal Errors - link_reset
- * - Non-Fatal Errors - driver's error_detected() which
- * returns CAN_RECOVER, NEED_RESET or DISCONNECT.
- *
- * PCI AER driver calls
- * CAN_RECOVER - driver's mmio_enabled(), mmio_enabled()
- * returns RECOVERED or NEED_RESET if fw_hung
- * NEED_RESET - driver's slot_reset()
- * DISCONNECT - device is dead & cannot recover
- * RECOVERED - driver's resume()
- */
- static pci_ers_result_t
- qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
- {
- struct scsi_qla_host *ha = pci_get_drvdata(pdev);
- ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n",
- ha->host_no, __func__, state);
- if (!is_aer_supported(ha))
- return PCI_ERS_RESULT_NONE;
- switch (state) {
- case pci_channel_io_normal:
- clear_bit(AF_EEH_BUSY, &ha->flags);
- return PCI_ERS_RESULT_CAN_RECOVER;
- case pci_channel_io_frozen:
- set_bit(AF_EEH_BUSY, &ha->flags);
- qla4xxx_mailbox_premature_completion(ha);
- qla4xxx_free_irqs(ha);
- pci_disable_device(pdev);
- /* Return back all IOs */
- qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
- return PCI_ERS_RESULT_NEED_RESET;
- case pci_channel_io_perm_failure:
- set_bit(AF_EEH_BUSY, &ha->flags);
- set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags);
- qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
- return PCI_ERS_RESULT_DISCONNECT;
- }
- return PCI_ERS_RESULT_NEED_RESET;
- }
- /**
- * qla4xxx_pci_mmio_enabled() - gets called if
- * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER
- * and read/write to the device still works.
- * @pdev: PCI device pointer
- **/
- static pci_ers_result_t
- qla4xxx_pci_mmio_enabled(struct pci_dev *pdev)
- {
- struct scsi_qla_host *ha = pci_get_drvdata(pdev);
- if (!is_aer_supported(ha))
- return PCI_ERS_RESULT_NONE;
- return PCI_ERS_RESULT_RECOVERED;
- }
- static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
- {
- uint32_t rval = QLA_ERROR;
- int fn;
- struct pci_dev *other_pdev = NULL;
- ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__);
- set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
- if (test_bit(AF_ONLINE, &ha->flags)) {
- clear_bit(AF_ONLINE, &ha->flags);
- clear_bit(AF_LINK_UP, &ha->flags);
- iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
- qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
- }
- fn = PCI_FUNC(ha->pdev->devfn);
- if (is_qla8022(ha)) {
- while (fn > 0) {
- fn--;
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n",
- ha->host_no, __func__, fn);
- /* Get the pci device given the domain, bus,
- * slot/function number */
- other_pdev = pci_get_domain_bus_and_slot(
- pci_domain_nr(ha->pdev->bus),
- ha->pdev->bus->number,
- PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
- fn));
- if (!other_pdev)
- continue;
- if (atomic_read(&other_pdev->enable_cnt)) {
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n",
- ha->host_no, __func__, fn);
- pci_dev_put(other_pdev);
- break;
- }
- pci_dev_put(other_pdev);
- }
- } else {
- /* this case is meant for ISP83xx/ISP84xx only */
- if (qla4_83xx_can_perform_reset(ha)) {
- /* reset fn as iSCSI is going to perform the reset */
- fn = 0;
- }
- }
- /* The first function on the card, the reset owner will
- * start & initialize the firmware. The other functions
- * on the card will reset the firmware context
- */
- if (!fn) {
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset "
- "0x%x is the owner\n", ha->host_no, __func__,
- ha->pdev->devfn);
- ha->isp_ops->idc_lock(ha);
- qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
- QLA8XXX_DEV_COLD);
- ha->isp_ops->idc_unlock(ha);
- rval = qla4_8xxx_update_idc_reg(ha);
- if (rval == QLA_ERROR) {
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n",
- ha->host_no, __func__);
- ha->isp_ops->idc_lock(ha);
- qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
- QLA8XXX_DEV_FAILED);
- ha->isp_ops->idc_unlock(ha);
- goto exit_error_recovery;
- }
- clear_bit(AF_FW_RECOVERY, &ha->flags);
- rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
- if (rval != QLA_SUCCESS) {
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
- "FAILED\n", ha->host_no, __func__);
- qla4xxx_free_irqs(ha);
- ha->isp_ops->idc_lock(ha);
- qla4_8xxx_clear_drv_active(ha);
- qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
- QLA8XXX_DEV_FAILED);
- ha->isp_ops->idc_unlock(ha);
- } else {
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
- "READY\n", ha->host_no, __func__);
- ha->isp_ops->idc_lock(ha);
- qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
- QLA8XXX_DEV_READY);
- /* Clear driver state register */
- qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0);
- qla4_8xxx_set_drv_active(ha);
- ha->isp_ops->idc_unlock(ha);
- ha->isp_ops->enable_intrs(ha);
- }
- } else {
- ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not "
- "the reset owner\n", ha->host_no, __func__,
- ha->pdev->devfn);
- if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) ==
- QLA8XXX_DEV_READY)) {
- clear_bit(AF_FW_RECOVERY, &ha->flags);
- rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
- if (rval == QLA_SUCCESS)
- ha->isp_ops->enable_intrs(ha);
- else
- qla4xxx_free_irqs(ha);
- ha->isp_ops->idc_lock(ha);
- qla4_8xxx_set_drv_active(ha);
- ha->isp_ops->idc_unlock(ha);
- }
- }
- exit_error_recovery:
- clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
- return rval;
- }
- static pci_ers_result_t
- qla4xxx_pci_slot_reset(struct pci_dev *pdev)
- {
- pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
- struct scsi_qla_host *ha = pci_get_drvdata(pdev);
- int rc;
- ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n",
- ha->host_no, __func__);
- if (!is_aer_supported(ha))
- return PCI_ERS_RESULT_NONE;
- /* Restore the saved state of PCIe device -
- * BAR registers, PCI Config space, PCIX, MSI,
- * IOV states
- */
- pci_restore_state(pdev);
- /* pci_restore_state() clears the saved_state flag of the device
- * save restored state which resets saved_state flag
- */
- pci_save_state(pdev);
- /* Initialize device or resume if in suspended state */
- rc = pci_enable_device(pdev);
- if (rc) {
- ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable "
- "device after reset\n", ha->host_no, __func__);
- goto exit_slot_reset;
- }
- ha->isp_ops->disable_intrs(ha);
- if (is_qla80XX(ha)) {
- if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) {
- ret = PCI_ERS_RESULT_RECOVERED;
- goto exit_slot_reset;
- } else
- goto exit_slot_reset;
- }
- exit_slot_reset:
- ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n"
- "device after reset\n", ha->host_no, __func__, ret);
- return ret;
- }
- static void
- qla4xxx_pci_resume(struct pci_dev *pdev)
- {
- struct scsi_qla_host *ha = pci_get_drvdata(pdev);
- int ret;
- ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n",
- ha->host_no, __func__);
- ret = qla4xxx_wait_for_hba_online(ha);
- if (ret != QLA_SUCCESS) {
- ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to "
- "resume I/O from slot/link_reset\n", ha->host_no,
- __func__);
- }
- clear_bit(AF_EEH_BUSY, &ha->flags);
- }
- static const struct pci_error_handlers qla4xxx_err_handler = {
- .error_detected = qla4xxx_pci_error_detected,
- .mmio_enabled = qla4xxx_pci_mmio_enabled,
- .slot_reset = qla4xxx_pci_slot_reset,
- .resume = qla4xxx_pci_resume,
- };
- static struct pci_device_id qla4xxx_pci_tbl[] = {
- {
- .vendor = PCI_VENDOR_ID_QLOGIC,
- .device = PCI_DEVICE_ID_QLOGIC_ISP4010,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- },
- {
- .vendor = PCI_VENDOR_ID_QLOGIC,
- .device = PCI_DEVICE_ID_QLOGIC_ISP4022,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- },
- {
- .vendor = PCI_VENDOR_ID_QLOGIC,
- .device = PCI_DEVICE_ID_QLOGIC_ISP4032,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- },
- {
- .vendor = PCI_VENDOR_ID_QLOGIC,
- .device = PCI_DEVICE_ID_QLOGIC_ISP8022,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- },
- {
- .vendor = PCI_VENDOR_ID_QLOGIC,
- .device = PCI_DEVICE_ID_QLOGIC_ISP8324,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- },
- {
- .vendor = PCI_VENDOR_ID_QLOGIC,
- .device = PCI_DEVICE_ID_QLOGIC_ISP8042,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- },
- {0, 0},
- };
- MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl);
- static struct pci_driver qla4xxx_pci_driver = {
- .name = DRIVER_NAME,
- .id_table = qla4xxx_pci_tbl,
- .probe = qla4xxx_probe_adapter,
- .remove = qla4xxx_remove_adapter,
- .err_handler = &qla4xxx_err_handler,
- };
- static int __init qla4xxx_module_init(void)
- {
- int ret;
- if (ql4xqfulltracking)
- qla4xxx_driver_template.track_queue_depth = 1;
- /* Allocate cache for SRBs. */
- srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0,
- SLAB_HWCACHE_ALIGN, NULL);
- if (srb_cachep == NULL) {
- printk(KERN_ERR
- "%s: Unable to allocate SRB cache..."
- "Failing load!\n", DRIVER_NAME);
- ret = -ENOMEM;
- goto no_srp_cache;
- }
- /* Derive version string. */
- strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION);
- if (ql4xextended_error_logging)
- strcat(qla4xxx_version_str, "-debug");
- qla4xxx_scsi_transport =
- iscsi_register_transport(&qla4xxx_iscsi_transport);
- if (!qla4xxx_scsi_transport){
- ret = -ENODEV;
- goto release_srb_cache;
- }
- ret = pci_register_driver(&qla4xxx_pci_driver);
- if (ret)
- goto unregister_transport;
- printk(KERN_INFO "QLogic iSCSI HBA Driver\n");
- return 0;
- unregister_transport:
- iscsi_unregister_transport(&qla4xxx_iscsi_transport);
- release_srb_cache:
- kmem_cache_destroy(srb_cachep);
- no_srp_cache:
- return ret;
- }
- static void __exit qla4xxx_module_exit(void)
- {
- pci_unregister_driver(&qla4xxx_pci_driver);
- iscsi_unregister_transport(&qla4xxx_iscsi_transport);
- kmem_cache_destroy(srb_cachep);
- }
- module_init(qla4xxx_module_init);
- module_exit(qla4xxx_module_exit);
- MODULE_AUTHOR("QLogic Corporation");
- MODULE_DESCRIPTION("QLogic iSCSI HBA Driver");
- MODULE_LICENSE("GPL");
- MODULE_VERSION(QLA4XXX_DRIVER_VERSION);
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