1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699 |
- // SPDX-License-Identifier: GPL-2.0-only
- /*
- * HighPoint RR3xxx/4xxx controller driver for Linux
- * Copyright (C) 2006-2015 HighPoint Technologies, Inc. All Rights Reserved.
- *
- * Please report bugs/comments/suggestions to [email protected]
- *
- * For more information, visit http://www.highpoint-tech.com
- */
- #include <linux/module.h>
- #include <linux/types.h>
- #include <linux/string.h>
- #include <linux/kernel.h>
- #include <linux/pci.h>
- #include <linux/interrupt.h>
- #include <linux/errno.h>
- #include <linux/delay.h>
- #include <linux/timer.h>
- #include <linux/spinlock.h>
- #include <linux/gfp.h>
- #include <linux/uaccess.h>
- #include <asm/io.h>
- #include <asm/div64.h>
- #include <scsi/scsi_cmnd.h>
- #include <scsi/scsi_device.h>
- #include <scsi/scsi.h>
- #include <scsi/scsi_tcq.h>
- #include <scsi/scsi_host.h>
- #include "hptiop.h"
- MODULE_AUTHOR("HighPoint Technologies, Inc.");
- MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver");
- static char driver_name[] = "hptiop";
- static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver";
- static const char driver_ver[] = "v1.10.0";
- static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec);
- static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
- struct hpt_iop_request_scsi_command *req);
- static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 tag);
- static void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag);
- static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg);
- static int iop_wait_ready_itl(struct hptiop_hba *hba, u32 millisec)
- {
- u32 req = 0;
- int i;
- for (i = 0; i < millisec; i++) {
- req = readl(&hba->u.itl.iop->inbound_queue);
- if (req != IOPMU_QUEUE_EMPTY)
- break;
- msleep(1);
- }
- if (req != IOPMU_QUEUE_EMPTY) {
- writel(req, &hba->u.itl.iop->outbound_queue);
- readl(&hba->u.itl.iop->outbound_intstatus);
- return 0;
- }
- return -1;
- }
- static int iop_wait_ready_mv(struct hptiop_hba *hba, u32 millisec)
- {
- return iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_NOP, millisec);
- }
- static int iop_wait_ready_mvfrey(struct hptiop_hba *hba, u32 millisec)
- {
- return iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_NOP, millisec);
- }
- static void hptiop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
- {
- if (tag & IOPMU_QUEUE_ADDR_HOST_BIT)
- hptiop_host_request_callback_itl(hba,
- tag & ~IOPMU_QUEUE_ADDR_HOST_BIT);
- else
- hptiop_iop_request_callback_itl(hba, tag);
- }
- static void hptiop_drain_outbound_queue_itl(struct hptiop_hba *hba)
- {
- u32 req;
- while ((req = readl(&hba->u.itl.iop->outbound_queue)) !=
- IOPMU_QUEUE_EMPTY) {
- if (req & IOPMU_QUEUE_MASK_HOST_BITS)
- hptiop_request_callback_itl(hba, req);
- else {
- struct hpt_iop_request_header __iomem * p;
- p = (struct hpt_iop_request_header __iomem *)
- ((char __iomem *)hba->u.itl.iop + req);
- if (readl(&p->flags) & IOP_REQUEST_FLAG_SYNC_REQUEST) {
- if (readl(&p->context))
- hptiop_request_callback_itl(hba, req);
- else
- writel(1, &p->context);
- }
- else
- hptiop_request_callback_itl(hba, req);
- }
- }
- }
- static int iop_intr_itl(struct hptiop_hba *hba)
- {
- struct hpt_iopmu_itl __iomem *iop = hba->u.itl.iop;
- void __iomem *plx = hba->u.itl.plx;
- u32 status;
- int ret = 0;
- if (plx && readl(plx + 0x11C5C) & 0xf)
- writel(1, plx + 0x11C60);
- status = readl(&iop->outbound_intstatus);
- if (status & IOPMU_OUTBOUND_INT_MSG0) {
- u32 msg = readl(&iop->outbound_msgaddr0);
- dprintk("received outbound msg %x\n", msg);
- writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus);
- hptiop_message_callback(hba, msg);
- ret = 1;
- }
- if (status & IOPMU_OUTBOUND_INT_POSTQUEUE) {
- hptiop_drain_outbound_queue_itl(hba);
- ret = 1;
- }
- return ret;
- }
- static u64 mv_outbound_read(struct hpt_iopmu_mv __iomem *mu)
- {
- u32 outbound_tail = readl(&mu->outbound_tail);
- u32 outbound_head = readl(&mu->outbound_head);
- if (outbound_tail != outbound_head) {
- u64 p;
- memcpy_fromio(&p, &mu->outbound_q[mu->outbound_tail], 8);
- outbound_tail++;
- if (outbound_tail == MVIOP_QUEUE_LEN)
- outbound_tail = 0;
- writel(outbound_tail, &mu->outbound_tail);
- return p;
- } else
- return 0;
- }
- static void mv_inbound_write(u64 p, struct hptiop_hba *hba)
- {
- u32 inbound_head = readl(&hba->u.mv.mu->inbound_head);
- u32 head = inbound_head + 1;
- if (head == MVIOP_QUEUE_LEN)
- head = 0;
- memcpy_toio(&hba->u.mv.mu->inbound_q[inbound_head], &p, 8);
- writel(head, &hba->u.mv.mu->inbound_head);
- writel(MVIOP_MU_INBOUND_INT_POSTQUEUE,
- &hba->u.mv.regs->inbound_doorbell);
- }
- static void hptiop_request_callback_mv(struct hptiop_hba *hba, u64 tag)
- {
- u32 req_type = (tag >> 5) & 0x7;
- struct hpt_iop_request_scsi_command *req;
- dprintk("hptiop_request_callback_mv: tag=%llx\n", tag);
- BUG_ON((tag & MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT) == 0);
- switch (req_type) {
- case IOP_REQUEST_TYPE_GET_CONFIG:
- case IOP_REQUEST_TYPE_SET_CONFIG:
- hba->msg_done = 1;
- break;
- case IOP_REQUEST_TYPE_SCSI_COMMAND:
- req = hba->reqs[tag >> 8].req_virt;
- if (likely(tag & MVIOP_MU_QUEUE_REQUEST_RESULT_BIT))
- req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
- hptiop_finish_scsi_req(hba, tag>>8, req);
- break;
- default:
- break;
- }
- }
- static int iop_intr_mv(struct hptiop_hba *hba)
- {
- u32 status;
- int ret = 0;
- status = readl(&hba->u.mv.regs->outbound_doorbell);
- writel(~status, &hba->u.mv.regs->outbound_doorbell);
- if (status & MVIOP_MU_OUTBOUND_INT_MSG) {
- u32 msg;
- msg = readl(&hba->u.mv.mu->outbound_msg);
- dprintk("received outbound msg %x\n", msg);
- hptiop_message_callback(hba, msg);
- ret = 1;
- }
- if (status & MVIOP_MU_OUTBOUND_INT_POSTQUEUE) {
- u64 tag;
- while ((tag = mv_outbound_read(hba->u.mv.mu)))
- hptiop_request_callback_mv(hba, tag);
- ret = 1;
- }
- return ret;
- }
- static void hptiop_request_callback_mvfrey(struct hptiop_hba *hba, u32 _tag)
- {
- u32 req_type = _tag & 0xf;
- struct hpt_iop_request_scsi_command *req;
- switch (req_type) {
- case IOP_REQUEST_TYPE_GET_CONFIG:
- case IOP_REQUEST_TYPE_SET_CONFIG:
- hba->msg_done = 1;
- break;
- case IOP_REQUEST_TYPE_SCSI_COMMAND:
- req = hba->reqs[(_tag >> 4) & 0xff].req_virt;
- if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT))
- req->header.result = IOP_RESULT_SUCCESS;
- hptiop_finish_scsi_req(hba, (_tag >> 4) & 0xff, req);
- break;
- default:
- break;
- }
- }
- static int iop_intr_mvfrey(struct hptiop_hba *hba)
- {
- u32 _tag, status, cptr, cur_rptr;
- int ret = 0;
- if (hba->initialized)
- writel(0, &(hba->u.mvfrey.mu->pcie_f0_int_enable));
- status = readl(&(hba->u.mvfrey.mu->f0_doorbell));
- if (status) {
- writel(status, &(hba->u.mvfrey.mu->f0_doorbell));
- if (status & CPU_TO_F0_DRBL_MSG_BIT) {
- u32 msg = readl(&(hba->u.mvfrey.mu->cpu_to_f0_msg_a));
- dprintk("received outbound msg %x\n", msg);
- hptiop_message_callback(hba, msg);
- }
- ret = 1;
- }
- status = readl(&(hba->u.mvfrey.mu->isr_cause));
- if (status) {
- writel(status, &(hba->u.mvfrey.mu->isr_cause));
- do {
- cptr = *hba->u.mvfrey.outlist_cptr & 0xff;
- cur_rptr = hba->u.mvfrey.outlist_rptr;
- while (cur_rptr != cptr) {
- cur_rptr++;
- if (cur_rptr == hba->u.mvfrey.list_count)
- cur_rptr = 0;
- _tag = hba->u.mvfrey.outlist[cur_rptr].val;
- BUG_ON(!(_tag & IOPMU_QUEUE_MASK_HOST_BITS));
- hptiop_request_callback_mvfrey(hba, _tag);
- ret = 1;
- }
- hba->u.mvfrey.outlist_rptr = cur_rptr;
- } while (cptr != (*hba->u.mvfrey.outlist_cptr & 0xff));
- }
- if (hba->initialized)
- writel(0x1010, &(hba->u.mvfrey.mu->pcie_f0_int_enable));
- return ret;
- }
- static int iop_send_sync_request_itl(struct hptiop_hba *hba,
- void __iomem *_req, u32 millisec)
- {
- struct hpt_iop_request_header __iomem *req = _req;
- u32 i;
- writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, &req->flags);
- writel(0, &req->context);
- writel((unsigned long)req - (unsigned long)hba->u.itl.iop,
- &hba->u.itl.iop->inbound_queue);
- readl(&hba->u.itl.iop->outbound_intstatus);
- for (i = 0; i < millisec; i++) {
- iop_intr_itl(hba);
- if (readl(&req->context))
- return 0;
- msleep(1);
- }
- return -1;
- }
- static int iop_send_sync_request_mv(struct hptiop_hba *hba,
- u32 size_bits, u32 millisec)
- {
- struct hpt_iop_request_header *reqhdr = hba->u.mv.internal_req;
- u32 i;
- hba->msg_done = 0;
- reqhdr->flags |= cpu_to_le32(IOP_REQUEST_FLAG_SYNC_REQUEST);
- mv_inbound_write(hba->u.mv.internal_req_phy |
- MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bits, hba);
- for (i = 0; i < millisec; i++) {
- iop_intr_mv(hba);
- if (hba->msg_done)
- return 0;
- msleep(1);
- }
- return -1;
- }
- static int iop_send_sync_request_mvfrey(struct hptiop_hba *hba,
- u32 size_bits, u32 millisec)
- {
- struct hpt_iop_request_header *reqhdr =
- hba->u.mvfrey.internal_req.req_virt;
- u32 i;
- hba->msg_done = 0;
- reqhdr->flags |= cpu_to_le32(IOP_REQUEST_FLAG_SYNC_REQUEST);
- hba->ops->post_req(hba, &(hba->u.mvfrey.internal_req));
- for (i = 0; i < millisec; i++) {
- iop_intr_mvfrey(hba);
- if (hba->msg_done)
- break;
- msleep(1);
- }
- return hba->msg_done ? 0 : -1;
- }
- static void hptiop_post_msg_itl(struct hptiop_hba *hba, u32 msg)
- {
- writel(msg, &hba->u.itl.iop->inbound_msgaddr0);
- readl(&hba->u.itl.iop->outbound_intstatus);
- }
- static void hptiop_post_msg_mv(struct hptiop_hba *hba, u32 msg)
- {
- writel(msg, &hba->u.mv.mu->inbound_msg);
- writel(MVIOP_MU_INBOUND_INT_MSG, &hba->u.mv.regs->inbound_doorbell);
- readl(&hba->u.mv.regs->inbound_doorbell);
- }
- static void hptiop_post_msg_mvfrey(struct hptiop_hba *hba, u32 msg)
- {
- writel(msg, &(hba->u.mvfrey.mu->f0_to_cpu_msg_a));
- readl(&(hba->u.mvfrey.mu->f0_to_cpu_msg_a));
- }
- static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec)
- {
- u32 i;
- hba->msg_done = 0;
- hba->ops->disable_intr(hba);
- hba->ops->post_msg(hba, msg);
- for (i = 0; i < millisec; i++) {
- spin_lock_irq(hba->host->host_lock);
- hba->ops->iop_intr(hba);
- spin_unlock_irq(hba->host->host_lock);
- if (hba->msg_done)
- break;
- msleep(1);
- }
- hba->ops->enable_intr(hba);
- return hba->msg_done? 0 : -1;
- }
- static int iop_get_config_itl(struct hptiop_hba *hba,
- struct hpt_iop_request_get_config *config)
- {
- u32 req32;
- struct hpt_iop_request_get_config __iomem *req;
- req32 = readl(&hba->u.itl.iop->inbound_queue);
- if (req32 == IOPMU_QUEUE_EMPTY)
- return -1;
- req = (struct hpt_iop_request_get_config __iomem *)
- ((unsigned long)hba->u.itl.iop + req32);
- writel(0, &req->header.flags);
- writel(IOP_REQUEST_TYPE_GET_CONFIG, &req->header.type);
- writel(sizeof(struct hpt_iop_request_get_config), &req->header.size);
- writel(IOP_RESULT_PENDING, &req->header.result);
- if (iop_send_sync_request_itl(hba, req, 20000)) {
- dprintk("Get config send cmd failed\n");
- return -1;
- }
- memcpy_fromio(config, req, sizeof(*config));
- writel(req32, &hba->u.itl.iop->outbound_queue);
- return 0;
- }
- static int iop_get_config_mv(struct hptiop_hba *hba,
- struct hpt_iop_request_get_config *config)
- {
- struct hpt_iop_request_get_config *req = hba->u.mv.internal_req;
- req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
- req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG);
- req->header.size =
- cpu_to_le32(sizeof(struct hpt_iop_request_get_config));
- req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
- req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG<<5);
- req->header.context_hi32 = 0;
- if (iop_send_sync_request_mv(hba, 0, 20000)) {
- dprintk("Get config send cmd failed\n");
- return -1;
- }
- memcpy(config, req, sizeof(struct hpt_iop_request_get_config));
- return 0;
- }
- static int iop_get_config_mvfrey(struct hptiop_hba *hba,
- struct hpt_iop_request_get_config *config)
- {
- struct hpt_iop_request_get_config *info = hba->u.mvfrey.config;
- if (info->header.size != sizeof(struct hpt_iop_request_get_config) ||
- info->header.type != IOP_REQUEST_TYPE_GET_CONFIG)
- return -1;
- config->interface_version = info->interface_version;
- config->firmware_version = info->firmware_version;
- config->max_requests = info->max_requests;
- config->request_size = info->request_size;
- config->max_sg_count = info->max_sg_count;
- config->data_transfer_length = info->data_transfer_length;
- config->alignment_mask = info->alignment_mask;
- config->max_devices = info->max_devices;
- config->sdram_size = info->sdram_size;
- return 0;
- }
- static int iop_set_config_itl(struct hptiop_hba *hba,
- struct hpt_iop_request_set_config *config)
- {
- u32 req32;
- struct hpt_iop_request_set_config __iomem *req;
- req32 = readl(&hba->u.itl.iop->inbound_queue);
- if (req32 == IOPMU_QUEUE_EMPTY)
- return -1;
- req = (struct hpt_iop_request_set_config __iomem *)
- ((unsigned long)hba->u.itl.iop + req32);
- memcpy_toio((u8 __iomem *)req + sizeof(struct hpt_iop_request_header),
- (u8 *)config + sizeof(struct hpt_iop_request_header),
- sizeof(struct hpt_iop_request_set_config) -
- sizeof(struct hpt_iop_request_header));
- writel(0, &req->header.flags);
- writel(IOP_REQUEST_TYPE_SET_CONFIG, &req->header.type);
- writel(sizeof(struct hpt_iop_request_set_config), &req->header.size);
- writel(IOP_RESULT_PENDING, &req->header.result);
- if (iop_send_sync_request_itl(hba, req, 20000)) {
- dprintk("Set config send cmd failed\n");
- return -1;
- }
- writel(req32, &hba->u.itl.iop->outbound_queue);
- return 0;
- }
- static int iop_set_config_mv(struct hptiop_hba *hba,
- struct hpt_iop_request_set_config *config)
- {
- struct hpt_iop_request_set_config *req = hba->u.mv.internal_req;
- memcpy(req, config, sizeof(struct hpt_iop_request_set_config));
- req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
- req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG);
- req->header.size =
- cpu_to_le32(sizeof(struct hpt_iop_request_set_config));
- req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
- req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG<<5);
- req->header.context_hi32 = 0;
- if (iop_send_sync_request_mv(hba, 0, 20000)) {
- dprintk("Set config send cmd failed\n");
- return -1;
- }
- return 0;
- }
- static int iop_set_config_mvfrey(struct hptiop_hba *hba,
- struct hpt_iop_request_set_config *config)
- {
- struct hpt_iop_request_set_config *req =
- hba->u.mvfrey.internal_req.req_virt;
- memcpy(req, config, sizeof(struct hpt_iop_request_set_config));
- req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
- req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG);
- req->header.size =
- cpu_to_le32(sizeof(struct hpt_iop_request_set_config));
- req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
- req->header.context = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG<<5);
- req->header.context_hi32 = 0;
- if (iop_send_sync_request_mvfrey(hba, 0, 20000)) {
- dprintk("Set config send cmd failed\n");
- return -1;
- }
- return 0;
- }
- static void hptiop_enable_intr_itl(struct hptiop_hba *hba)
- {
- writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0),
- &hba->u.itl.iop->outbound_intmask);
- }
- static void hptiop_enable_intr_mv(struct hptiop_hba *hba)
- {
- writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE | MVIOP_MU_OUTBOUND_INT_MSG,
- &hba->u.mv.regs->outbound_intmask);
- }
- static void hptiop_enable_intr_mvfrey(struct hptiop_hba *hba)
- {
- writel(CPU_TO_F0_DRBL_MSG_BIT, &(hba->u.mvfrey.mu->f0_doorbell_enable));
- writel(0x1, &(hba->u.mvfrey.mu->isr_enable));
- writel(0x1010, &(hba->u.mvfrey.mu->pcie_f0_int_enable));
- }
- static int hptiop_initialize_iop(struct hptiop_hba *hba)
- {
- /* enable interrupts */
- hba->ops->enable_intr(hba);
- hba->initialized = 1;
- /* start background tasks */
- if (iop_send_sync_msg(hba,
- IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
- printk(KERN_ERR "scsi%d: fail to start background task\n",
- hba->host->host_no);
- return -1;
- }
- return 0;
- }
- static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
- {
- u32 mem_base_phy, length;
- void __iomem *mem_base_virt;
- struct pci_dev *pcidev = hba->pcidev;
- if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) {
- printk(KERN_ERR "scsi%d: pci resource invalid\n",
- hba->host->host_no);
- return NULL;
- }
- mem_base_phy = pci_resource_start(pcidev, index);
- length = pci_resource_len(pcidev, index);
- mem_base_virt = ioremap(mem_base_phy, length);
- if (!mem_base_virt) {
- printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n",
- hba->host->host_no);
- return NULL;
- }
- return mem_base_virt;
- }
- static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba)
- {
- struct pci_dev *pcidev = hba->pcidev;
- hba->u.itl.iop = hptiop_map_pci_bar(hba, 0);
- if (hba->u.itl.iop == NULL)
- return -1;
- if ((pcidev->device & 0xff00) == 0x4400) {
- hba->u.itl.plx = hba->u.itl.iop;
- hba->u.itl.iop = hptiop_map_pci_bar(hba, 2);
- if (hba->u.itl.iop == NULL) {
- iounmap(hba->u.itl.plx);
- return -1;
- }
- }
- return 0;
- }
- static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba)
- {
- if (hba->u.itl.plx)
- iounmap(hba->u.itl.plx);
- iounmap(hba->u.itl.iop);
- }
- static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba)
- {
- hba->u.mv.regs = hptiop_map_pci_bar(hba, 0);
- if (hba->u.mv.regs == NULL)
- return -1;
- hba->u.mv.mu = hptiop_map_pci_bar(hba, 2);
- if (hba->u.mv.mu == NULL) {
- iounmap(hba->u.mv.regs);
- return -1;
- }
- return 0;
- }
- static int hptiop_map_pci_bar_mvfrey(struct hptiop_hba *hba)
- {
- hba->u.mvfrey.config = hptiop_map_pci_bar(hba, 0);
- if (hba->u.mvfrey.config == NULL)
- return -1;
- hba->u.mvfrey.mu = hptiop_map_pci_bar(hba, 2);
- if (hba->u.mvfrey.mu == NULL) {
- iounmap(hba->u.mvfrey.config);
- return -1;
- }
- return 0;
- }
- static void hptiop_unmap_pci_bar_mv(struct hptiop_hba *hba)
- {
- iounmap(hba->u.mv.regs);
- iounmap(hba->u.mv.mu);
- }
- static void hptiop_unmap_pci_bar_mvfrey(struct hptiop_hba *hba)
- {
- iounmap(hba->u.mvfrey.config);
- iounmap(hba->u.mvfrey.mu);
- }
- static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg)
- {
- dprintk("iop message 0x%x\n", msg);
- if (msg == IOPMU_INBOUND_MSG0_NOP ||
- msg == IOPMU_INBOUND_MSG0_RESET_COMM)
- hba->msg_done = 1;
- if (!hba->initialized)
- return;
- if (msg == IOPMU_INBOUND_MSG0_RESET) {
- atomic_set(&hba->resetting, 0);
- wake_up(&hba->reset_wq);
- }
- else if (msg <= IOPMU_INBOUND_MSG0_MAX)
- hba->msg_done = 1;
- }
- static struct hptiop_request *get_req(struct hptiop_hba *hba)
- {
- struct hptiop_request *ret;
- dprintk("get_req : req=%p\n", hba->req_list);
- ret = hba->req_list;
- if (ret)
- hba->req_list = ret->next;
- return ret;
- }
- static void free_req(struct hptiop_hba *hba, struct hptiop_request *req)
- {
- dprintk("free_req(%d, %p)\n", req->index, req);
- req->next = hba->req_list;
- hba->req_list = req;
- }
- static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag,
- struct hpt_iop_request_scsi_command *req)
- {
- struct scsi_cmnd *scp;
- dprintk("hptiop_finish_scsi_req: req=%p, type=%d, "
- "result=%d, context=0x%x tag=%d\n",
- req, req->header.type, req->header.result,
- req->header.context, tag);
- BUG_ON(!req->header.result);
- BUG_ON(req->header.type != cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND));
- scp = hba->reqs[tag].scp;
- if (HPT_SCP(scp)->mapped)
- scsi_dma_unmap(scp);
- switch (le32_to_cpu(req->header.result)) {
- case IOP_RESULT_SUCCESS:
- scsi_set_resid(scp,
- scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
- scp->result = (DID_OK<<16);
- break;
- case IOP_RESULT_BAD_TARGET:
- scp->result = (DID_BAD_TARGET<<16);
- break;
- case IOP_RESULT_BUSY:
- scp->result = (DID_BUS_BUSY<<16);
- break;
- case IOP_RESULT_RESET:
- scp->result = (DID_RESET<<16);
- break;
- case IOP_RESULT_FAIL:
- scp->result = (DID_ERROR<<16);
- break;
- case IOP_RESULT_INVALID_REQUEST:
- scp->result = (DID_ABORT<<16);
- break;
- case IOP_RESULT_CHECK_CONDITION:
- scsi_set_resid(scp,
- scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
- scp->result = SAM_STAT_CHECK_CONDITION;
- memcpy(scp->sense_buffer, &req->sg_list, SCSI_SENSE_BUFFERSIZE);
- goto skip_resid;
- default:
- scp->result = DID_ABORT << 16;
- break;
- }
- scsi_set_resid(scp,
- scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length));
- skip_resid:
- dprintk("scsi_done(%p)\n", scp);
- scsi_done(scp);
- free_req(hba, &hba->reqs[tag]);
- }
- static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 _tag)
- {
- struct hpt_iop_request_scsi_command *req;
- u32 tag;
- if (hba->iopintf_v2) {
- tag = _tag & ~IOPMU_QUEUE_REQUEST_RESULT_BIT;
- req = hba->reqs[tag].req_virt;
- if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT))
- req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS);
- } else {
- tag = _tag;
- req = hba->reqs[tag].req_virt;
- }
- hptiop_finish_scsi_req(hba, tag, req);
- }
- static void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag)
- {
- struct hpt_iop_request_header __iomem *req;
- struct hpt_iop_request_ioctl_command __iomem *p;
- struct hpt_ioctl_k *arg;
- req = (struct hpt_iop_request_header __iomem *)
- ((unsigned long)hba->u.itl.iop + tag);
- dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, "
- "result=%d, context=0x%x tag=%d\n",
- req, readl(&req->type), readl(&req->result),
- readl(&req->context), tag);
- BUG_ON(!readl(&req->result));
- BUG_ON(readl(&req->type) != IOP_REQUEST_TYPE_IOCTL_COMMAND);
- p = (struct hpt_iop_request_ioctl_command __iomem *)req;
- arg = (struct hpt_ioctl_k *)(unsigned long)
- (readl(&req->context) |
- ((u64)readl(&req->context_hi32)<<32));
- if (readl(&req->result) == IOP_RESULT_SUCCESS) {
- arg->result = HPT_IOCTL_RESULT_OK;
- if (arg->outbuf_size)
- memcpy_fromio(arg->outbuf,
- &p->buf[(readl(&p->inbuf_size) + 3)& ~3],
- arg->outbuf_size);
- if (arg->bytes_returned)
- *arg->bytes_returned = arg->outbuf_size;
- }
- else
- arg->result = HPT_IOCTL_RESULT_FAILED;
- arg->done(arg);
- writel(tag, &hba->u.itl.iop->outbound_queue);
- }
- static irqreturn_t hptiop_intr(int irq, void *dev_id)
- {
- struct hptiop_hba *hba = dev_id;
- int handled;
- unsigned long flags;
- spin_lock_irqsave(hba->host->host_lock, flags);
- handled = hba->ops->iop_intr(hba);
- spin_unlock_irqrestore(hba->host->host_lock, flags);
- return handled;
- }
- static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg)
- {
- struct Scsi_Host *host = scp->device->host;
- struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
- struct scatterlist *sg;
- int idx, nseg;
- nseg = scsi_dma_map(scp);
- BUG_ON(nseg < 0);
- if (!nseg)
- return 0;
- HPT_SCP(scp)->sgcnt = nseg;
- HPT_SCP(scp)->mapped = 1;
- BUG_ON(HPT_SCP(scp)->sgcnt > hba->max_sg_descriptors);
- scsi_for_each_sg(scp, sg, HPT_SCP(scp)->sgcnt, idx) {
- psg[idx].pci_address = cpu_to_le64(sg_dma_address(sg)) |
- hba->ops->host_phy_flag;
- psg[idx].size = cpu_to_le32(sg_dma_len(sg));
- psg[idx].eot = (idx == HPT_SCP(scp)->sgcnt - 1) ?
- cpu_to_le32(1) : 0;
- }
- return HPT_SCP(scp)->sgcnt;
- }
- static void hptiop_post_req_itl(struct hptiop_hba *hba,
- struct hptiop_request *_req)
- {
- struct hpt_iop_request_header *reqhdr = _req->req_virt;
- reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
- (u32)_req->index);
- reqhdr->context_hi32 = 0;
- if (hba->iopintf_v2) {
- u32 size, size_bits;
- size = le32_to_cpu(reqhdr->size);
- if (size < 256)
- size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT;
- else if (size < 512)
- size_bits = IOPMU_QUEUE_ADDR_HOST_BIT;
- else
- size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT |
- IOPMU_QUEUE_ADDR_HOST_BIT;
- writel(_req->req_shifted_phy | size_bits,
- &hba->u.itl.iop->inbound_queue);
- } else
- writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT,
- &hba->u.itl.iop->inbound_queue);
- }
- static void hptiop_post_req_mv(struct hptiop_hba *hba,
- struct hptiop_request *_req)
- {
- struct hpt_iop_request_header *reqhdr = _req->req_virt;
- u32 size, size_bit;
- reqhdr->context = cpu_to_le32(_req->index<<8 |
- IOP_REQUEST_TYPE_SCSI_COMMAND<<5);
- reqhdr->context_hi32 = 0;
- size = le32_to_cpu(reqhdr->size);
- if (size <= 256)
- size_bit = 0;
- else if (size <= 256*2)
- size_bit = 1;
- else if (size <= 256*3)
- size_bit = 2;
- else
- size_bit = 3;
- mv_inbound_write((_req->req_shifted_phy << 5) |
- MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba);
- }
- static void hptiop_post_req_mvfrey(struct hptiop_hba *hba,
- struct hptiop_request *_req)
- {
- struct hpt_iop_request_header *reqhdr = _req->req_virt;
- u32 index;
- reqhdr->flags |= cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT |
- IOP_REQUEST_FLAG_ADDR_BITS |
- ((_req->req_shifted_phy >> 11) & 0xffff0000));
- reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT |
- (_req->index << 4) | reqhdr->type);
- reqhdr->context_hi32 = cpu_to_le32((_req->req_shifted_phy << 5) &
- 0xffffffff);
- hba->u.mvfrey.inlist_wptr++;
- index = hba->u.mvfrey.inlist_wptr & 0x3fff;
- if (index == hba->u.mvfrey.list_count) {
- index = 0;
- hba->u.mvfrey.inlist_wptr &= ~0x3fff;
- hba->u.mvfrey.inlist_wptr ^= CL_POINTER_TOGGLE;
- }
- hba->u.mvfrey.inlist[index].addr =
- (dma_addr_t)_req->req_shifted_phy << 5;
- hba->u.mvfrey.inlist[index].intrfc_len = (reqhdr->size + 3) / 4;
- writel(hba->u.mvfrey.inlist_wptr,
- &(hba->u.mvfrey.mu->inbound_write_ptr));
- readl(&(hba->u.mvfrey.mu->inbound_write_ptr));
- }
- static int hptiop_reset_comm_itl(struct hptiop_hba *hba)
- {
- return 0;
- }
- static int hptiop_reset_comm_mv(struct hptiop_hba *hba)
- {
- return 0;
- }
- static int hptiop_reset_comm_mvfrey(struct hptiop_hba *hba)
- {
- u32 list_count = hba->u.mvfrey.list_count;
- if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_RESET_COMM, 3000))
- return -1;
- /* wait 100ms for MCU ready */
- msleep(100);
- writel(cpu_to_le32(hba->u.mvfrey.inlist_phy & 0xffffffff),
- &(hba->u.mvfrey.mu->inbound_base));
- writel(cpu_to_le32((hba->u.mvfrey.inlist_phy >> 16) >> 16),
- &(hba->u.mvfrey.mu->inbound_base_high));
- writel(cpu_to_le32(hba->u.mvfrey.outlist_phy & 0xffffffff),
- &(hba->u.mvfrey.mu->outbound_base));
- writel(cpu_to_le32((hba->u.mvfrey.outlist_phy >> 16) >> 16),
- &(hba->u.mvfrey.mu->outbound_base_high));
- writel(cpu_to_le32(hba->u.mvfrey.outlist_cptr_phy & 0xffffffff),
- &(hba->u.mvfrey.mu->outbound_shadow_base));
- writel(cpu_to_le32((hba->u.mvfrey.outlist_cptr_phy >> 16) >> 16),
- &(hba->u.mvfrey.mu->outbound_shadow_base_high));
- hba->u.mvfrey.inlist_wptr = (list_count - 1) | CL_POINTER_TOGGLE;
- *hba->u.mvfrey.outlist_cptr = (list_count - 1) | CL_POINTER_TOGGLE;
- hba->u.mvfrey.outlist_rptr = list_count - 1;
- return 0;
- }
- static int hptiop_queuecommand_lck(struct scsi_cmnd *scp)
- {
- struct Scsi_Host *host = scp->device->host;
- struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
- struct hpt_iop_request_scsi_command *req;
- int sg_count = 0;
- struct hptiop_request *_req;
- _req = get_req(hba);
- if (_req == NULL) {
- dprintk("hptiop_queuecmd : no free req\n");
- return SCSI_MLQUEUE_HOST_BUSY;
- }
- _req->scp = scp;
- dprintk("hptiop_queuecmd(scp=%p) %d/%d/%d/%llu cdb=(%08x-%08x-%08x-%08x) "
- "req_index=%d, req=%p\n",
- scp,
- host->host_no, scp->device->channel,
- scp->device->id, scp->device->lun,
- cpu_to_be32(((u32 *)scp->cmnd)[0]),
- cpu_to_be32(((u32 *)scp->cmnd)[1]),
- cpu_to_be32(((u32 *)scp->cmnd)[2]),
- cpu_to_be32(((u32 *)scp->cmnd)[3]),
- _req->index, _req->req_virt);
- scp->result = 0;
- if (scp->device->channel ||
- (scp->device->id > hba->max_devices) ||
- ((scp->device->id == (hba->max_devices-1)) && scp->device->lun)) {
- scp->result = DID_BAD_TARGET << 16;
- free_req(hba, _req);
- goto cmd_done;
- }
- req = _req->req_virt;
- /* build S/G table */
- sg_count = hptiop_buildsgl(scp, req->sg_list);
- if (!sg_count)
- HPT_SCP(scp)->mapped = 0;
- req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT);
- req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND);
- req->header.result = cpu_to_le32(IOP_RESULT_PENDING);
- req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp));
- req->channel = scp->device->channel;
- req->target = scp->device->id;
- req->lun = scp->device->lun;
- req->header.size = cpu_to_le32(struct_size(req, sg_list, sg_count));
- memcpy(req->cdb, scp->cmnd, sizeof(req->cdb));
- hba->ops->post_req(hba, _req);
- return 0;
- cmd_done:
- dprintk("scsi_done(scp=%p)\n", scp);
- scsi_done(scp);
- return 0;
- }
- static DEF_SCSI_QCMD(hptiop_queuecommand)
- static const char *hptiop_info(struct Scsi_Host *host)
- {
- return driver_name_long;
- }
- static int hptiop_reset_hba(struct hptiop_hba *hba)
- {
- if (atomic_xchg(&hba->resetting, 1) == 0) {
- atomic_inc(&hba->reset_count);
- hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET);
- }
- wait_event_timeout(hba->reset_wq,
- atomic_read(&hba->resetting) == 0, 60 * HZ);
- if (atomic_read(&hba->resetting)) {
- /* IOP is in unknown state, abort reset */
- printk(KERN_ERR "scsi%d: reset failed\n", hba->host->host_no);
- return -1;
- }
- if (iop_send_sync_msg(hba,
- IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK, 5000)) {
- dprintk("scsi%d: fail to start background task\n",
- hba->host->host_no);
- }
- return 0;
- }
- static int hptiop_reset(struct scsi_cmnd *scp)
- {
- struct hptiop_hba * hba = (struct hptiop_hba *)scp->device->host->hostdata;
- printk(KERN_WARNING "hptiop_reset(%d/%d/%d)\n",
- scp->device->host->host_no, -1, -1);
- return hptiop_reset_hba(hba)? FAILED : SUCCESS;
- }
- static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev,
- int queue_depth)
- {
- struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata;
- if (queue_depth > hba->max_requests)
- queue_depth = hba->max_requests;
- return scsi_change_queue_depth(sdev, queue_depth);
- }
- static ssize_t hptiop_show_version(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- return snprintf(buf, PAGE_SIZE, "%s\n", driver_ver);
- }
- static ssize_t hptiop_show_fw_version(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- struct Scsi_Host *host = class_to_shost(dev);
- struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
- return snprintf(buf, PAGE_SIZE, "%d.%d.%d.%d\n",
- hba->firmware_version >> 24,
- (hba->firmware_version >> 16) & 0xff,
- (hba->firmware_version >> 8) & 0xff,
- hba->firmware_version & 0xff);
- }
- static struct device_attribute hptiop_attr_version = {
- .attr = {
- .name = "driver-version",
- .mode = S_IRUGO,
- },
- .show = hptiop_show_version,
- };
- static struct device_attribute hptiop_attr_fw_version = {
- .attr = {
- .name = "firmware-version",
- .mode = S_IRUGO,
- },
- .show = hptiop_show_fw_version,
- };
- static struct attribute *hptiop_host_attrs[] = {
- &hptiop_attr_version.attr,
- &hptiop_attr_fw_version.attr,
- NULL
- };
- ATTRIBUTE_GROUPS(hptiop_host);
- static int hptiop_slave_config(struct scsi_device *sdev)
- {
- if (sdev->type == TYPE_TAPE)
- blk_queue_max_hw_sectors(sdev->request_queue, 8192);
- return 0;
- }
- static struct scsi_host_template driver_template = {
- .module = THIS_MODULE,
- .name = driver_name,
- .queuecommand = hptiop_queuecommand,
- .eh_host_reset_handler = hptiop_reset,
- .info = hptiop_info,
- .emulated = 0,
- .proc_name = driver_name,
- .shost_groups = hptiop_host_groups,
- .slave_configure = hptiop_slave_config,
- .this_id = -1,
- .change_queue_depth = hptiop_adjust_disk_queue_depth,
- .cmd_size = sizeof(struct hpt_cmd_priv),
- };
- static int hptiop_internal_memalloc_itl(struct hptiop_hba *hba)
- {
- return 0;
- }
- static int hptiop_internal_memalloc_mv(struct hptiop_hba *hba)
- {
- hba->u.mv.internal_req = dma_alloc_coherent(&hba->pcidev->dev,
- 0x800, &hba->u.mv.internal_req_phy, GFP_KERNEL);
- if (hba->u.mv.internal_req)
- return 0;
- else
- return -1;
- }
- static int hptiop_internal_memalloc_mvfrey(struct hptiop_hba *hba)
- {
- u32 list_count = readl(&hba->u.mvfrey.mu->inbound_conf_ctl);
- char *p;
- dma_addr_t phy;
- BUG_ON(hba->max_request_size == 0);
- if (list_count == 0) {
- BUG_ON(1);
- return -1;
- }
- list_count >>= 16;
- hba->u.mvfrey.list_count = list_count;
- hba->u.mvfrey.internal_mem_size = 0x800 +
- list_count * sizeof(struct mvfrey_inlist_entry) +
- list_count * sizeof(struct mvfrey_outlist_entry) +
- sizeof(int);
- p = dma_alloc_coherent(&hba->pcidev->dev,
- hba->u.mvfrey.internal_mem_size, &phy, GFP_KERNEL);
- if (!p)
- return -1;
- hba->u.mvfrey.internal_req.req_virt = p;
- hba->u.mvfrey.internal_req.req_shifted_phy = phy >> 5;
- hba->u.mvfrey.internal_req.scp = NULL;
- hba->u.mvfrey.internal_req.next = NULL;
- p += 0x800;
- phy += 0x800;
- hba->u.mvfrey.inlist = (struct mvfrey_inlist_entry *)p;
- hba->u.mvfrey.inlist_phy = phy;
- p += list_count * sizeof(struct mvfrey_inlist_entry);
- phy += list_count * sizeof(struct mvfrey_inlist_entry);
- hba->u.mvfrey.outlist = (struct mvfrey_outlist_entry *)p;
- hba->u.mvfrey.outlist_phy = phy;
- p += list_count * sizeof(struct mvfrey_outlist_entry);
- phy += list_count * sizeof(struct mvfrey_outlist_entry);
- hba->u.mvfrey.outlist_cptr = (__le32 *)p;
- hba->u.mvfrey.outlist_cptr_phy = phy;
- return 0;
- }
- static int hptiop_internal_memfree_itl(struct hptiop_hba *hba)
- {
- return 0;
- }
- static int hptiop_internal_memfree_mv(struct hptiop_hba *hba)
- {
- if (hba->u.mv.internal_req) {
- dma_free_coherent(&hba->pcidev->dev, 0x800,
- hba->u.mv.internal_req, hba->u.mv.internal_req_phy);
- return 0;
- } else
- return -1;
- }
- static int hptiop_internal_memfree_mvfrey(struct hptiop_hba *hba)
- {
- if (hba->u.mvfrey.internal_req.req_virt) {
- dma_free_coherent(&hba->pcidev->dev,
- hba->u.mvfrey.internal_mem_size,
- hba->u.mvfrey.internal_req.req_virt,
- (dma_addr_t)
- hba->u.mvfrey.internal_req.req_shifted_phy << 5);
- return 0;
- } else
- return -1;
- }
- static int hptiop_probe(struct pci_dev *pcidev, const struct pci_device_id *id)
- {
- struct Scsi_Host *host = NULL;
- struct hptiop_hba *hba;
- struct hptiop_adapter_ops *iop_ops;
- struct hpt_iop_request_get_config iop_config;
- struct hpt_iop_request_set_config set_config;
- dma_addr_t start_phy;
- void *start_virt;
- u32 offset, i, req_size;
- int rc;
- dprintk("hptiop_probe(%p)\n", pcidev);
- if (pci_enable_device(pcidev)) {
- printk(KERN_ERR "hptiop: fail to enable pci device\n");
- return -ENODEV;
- }
- printk(KERN_INFO "adapter at PCI %d:%d:%d, IRQ %d\n",
- pcidev->bus->number, pcidev->devfn >> 3, pcidev->devfn & 7,
- pcidev->irq);
- pci_set_master(pcidev);
- /* Enable 64bit DMA if possible */
- iop_ops = (struct hptiop_adapter_ops *)id->driver_data;
- rc = dma_set_mask(&pcidev->dev,
- DMA_BIT_MASK(iop_ops->hw_dma_bit_mask));
- if (rc)
- rc = dma_set_mask(&pcidev->dev, DMA_BIT_MASK(32));
- if (rc) {
- printk(KERN_ERR "hptiop: fail to set dma_mask\n");
- goto disable_pci_device;
- }
- if (pci_request_regions(pcidev, driver_name)) {
- printk(KERN_ERR "hptiop: pci_request_regions failed\n");
- goto disable_pci_device;
- }
- host = scsi_host_alloc(&driver_template, sizeof(struct hptiop_hba));
- if (!host) {
- printk(KERN_ERR "hptiop: fail to alloc scsi host\n");
- goto free_pci_regions;
- }
- hba = (struct hptiop_hba *)host->hostdata;
- memset(hba, 0, sizeof(struct hptiop_hba));
- hba->ops = iop_ops;
- hba->pcidev = pcidev;
- hba->host = host;
- hba->initialized = 0;
- hba->iopintf_v2 = 0;
- atomic_set(&hba->resetting, 0);
- atomic_set(&hba->reset_count, 0);
- init_waitqueue_head(&hba->reset_wq);
- init_waitqueue_head(&hba->ioctl_wq);
- host->max_lun = 128;
- host->max_channel = 0;
- host->io_port = 0;
- host->n_io_port = 0;
- host->irq = pcidev->irq;
- if (hba->ops->map_pci_bar(hba))
- goto free_scsi_host;
- if (hba->ops->iop_wait_ready(hba, 20000)) {
- printk(KERN_ERR "scsi%d: firmware not ready\n",
- hba->host->host_no);
- goto unmap_pci_bar;
- }
- if (hba->ops->family == MV_BASED_IOP) {
- if (hba->ops->internal_memalloc(hba)) {
- printk(KERN_ERR "scsi%d: internal_memalloc failed\n",
- hba->host->host_no);
- goto unmap_pci_bar;
- }
- }
- if (hba->ops->get_config(hba, &iop_config)) {
- printk(KERN_ERR "scsi%d: get config failed\n",
- hba->host->host_no);
- goto unmap_pci_bar;
- }
- hba->max_requests = min(le32_to_cpu(iop_config.max_requests),
- HPTIOP_MAX_REQUESTS);
- hba->max_devices = le32_to_cpu(iop_config.max_devices);
- hba->max_request_size = le32_to_cpu(iop_config.request_size);
- hba->max_sg_descriptors = le32_to_cpu(iop_config.max_sg_count);
- hba->firmware_version = le32_to_cpu(iop_config.firmware_version);
- hba->interface_version = le32_to_cpu(iop_config.interface_version);
- hba->sdram_size = le32_to_cpu(iop_config.sdram_size);
- if (hba->ops->family == MVFREY_BASED_IOP) {
- if (hba->ops->internal_memalloc(hba)) {
- printk(KERN_ERR "scsi%d: internal_memalloc failed\n",
- hba->host->host_no);
- goto unmap_pci_bar;
- }
- if (hba->ops->reset_comm(hba)) {
- printk(KERN_ERR "scsi%d: reset comm failed\n",
- hba->host->host_no);
- goto unmap_pci_bar;
- }
- }
- if (hba->firmware_version > 0x01020000 ||
- hba->interface_version > 0x01020000)
- hba->iopintf_v2 = 1;
- host->max_sectors = le32_to_cpu(iop_config.data_transfer_length) >> 9;
- host->max_id = le32_to_cpu(iop_config.max_devices);
- host->sg_tablesize = le32_to_cpu(iop_config.max_sg_count);
- host->can_queue = le32_to_cpu(iop_config.max_requests);
- host->cmd_per_lun = le32_to_cpu(iop_config.max_requests);
- host->max_cmd_len = 16;
- req_size = struct_size((struct hpt_iop_request_scsi_command *)0,
- sg_list, hba->max_sg_descriptors);
- if ((req_size & 0x1f) != 0)
- req_size = (req_size + 0x1f) & ~0x1f;
- memset(&set_config, 0, sizeof(struct hpt_iop_request_set_config));
- set_config.iop_id = cpu_to_le32(host->host_no);
- set_config.vbus_id = cpu_to_le16(host->host_no);
- set_config.max_host_request_size = cpu_to_le16(req_size);
- if (hba->ops->set_config(hba, &set_config)) {
- printk(KERN_ERR "scsi%d: set config failed\n",
- hba->host->host_no);
- goto unmap_pci_bar;
- }
- pci_set_drvdata(pcidev, host);
- if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED,
- driver_name, hba)) {
- printk(KERN_ERR "scsi%d: request irq %d failed\n",
- hba->host->host_no, pcidev->irq);
- goto unmap_pci_bar;
- }
- /* Allocate request mem */
- dprintk("req_size=%d, max_requests=%d\n", req_size, hba->max_requests);
- hba->req_size = req_size;
- hba->req_list = NULL;
- for (i = 0; i < hba->max_requests; i++) {
- start_virt = dma_alloc_coherent(&pcidev->dev,
- hba->req_size + 0x20,
- &start_phy, GFP_KERNEL);
- if (!start_virt) {
- printk(KERN_ERR "scsi%d: fail to alloc request mem\n",
- hba->host->host_no);
- goto free_request_mem;
- }
- hba->dma_coherent[i] = start_virt;
- hba->dma_coherent_handle[i] = start_phy;
- if ((start_phy & 0x1f) != 0) {
- offset = ((start_phy + 0x1f) & ~0x1f) - start_phy;
- start_phy += offset;
- start_virt += offset;
- }
- hba->reqs[i].next = NULL;
- hba->reqs[i].req_virt = start_virt;
- hba->reqs[i].req_shifted_phy = start_phy >> 5;
- hba->reqs[i].index = i;
- free_req(hba, &hba->reqs[i]);
- }
- /* Enable Interrupt and start background task */
- if (hptiop_initialize_iop(hba))
- goto free_request_mem;
- if (scsi_add_host(host, &pcidev->dev)) {
- printk(KERN_ERR "scsi%d: scsi_add_host failed\n",
- hba->host->host_no);
- goto free_request_mem;
- }
- scsi_scan_host(host);
- dprintk("scsi%d: hptiop_probe successfully\n", hba->host->host_no);
- return 0;
- free_request_mem:
- for (i = 0; i < hba->max_requests; i++) {
- if (hba->dma_coherent[i] && hba->dma_coherent_handle[i])
- dma_free_coherent(&hba->pcidev->dev,
- hba->req_size + 0x20,
- hba->dma_coherent[i],
- hba->dma_coherent_handle[i]);
- else
- break;
- }
- free_irq(hba->pcidev->irq, hba);
- unmap_pci_bar:
- hba->ops->internal_memfree(hba);
- hba->ops->unmap_pci_bar(hba);
- free_scsi_host:
- scsi_host_put(host);
- free_pci_regions:
- pci_release_regions(pcidev);
- disable_pci_device:
- pci_disable_device(pcidev);
- dprintk("scsi%d: hptiop_probe fail\n", host ? host->host_no : 0);
- return -ENODEV;
- }
- static void hptiop_shutdown(struct pci_dev *pcidev)
- {
- struct Scsi_Host *host = pci_get_drvdata(pcidev);
- struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
- dprintk("hptiop_shutdown(%p)\n", hba);
- /* stop the iop */
- if (iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_SHUTDOWN, 60000))
- printk(KERN_ERR "scsi%d: shutdown the iop timeout\n",
- hba->host->host_no);
- /* disable all outbound interrupts */
- hba->ops->disable_intr(hba);
- }
- static void hptiop_disable_intr_itl(struct hptiop_hba *hba)
- {
- u32 int_mask;
- int_mask = readl(&hba->u.itl.iop->outbound_intmask);
- writel(int_mask |
- IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE,
- &hba->u.itl.iop->outbound_intmask);
- readl(&hba->u.itl.iop->outbound_intmask);
- }
- static void hptiop_disable_intr_mv(struct hptiop_hba *hba)
- {
- writel(0, &hba->u.mv.regs->outbound_intmask);
- readl(&hba->u.mv.regs->outbound_intmask);
- }
- static void hptiop_disable_intr_mvfrey(struct hptiop_hba *hba)
- {
- writel(0, &(hba->u.mvfrey.mu->f0_doorbell_enable));
- readl(&(hba->u.mvfrey.mu->f0_doorbell_enable));
- writel(0, &(hba->u.mvfrey.mu->isr_enable));
- readl(&(hba->u.mvfrey.mu->isr_enable));
- writel(0, &(hba->u.mvfrey.mu->pcie_f0_int_enable));
- readl(&(hba->u.mvfrey.mu->pcie_f0_int_enable));
- }
- static void hptiop_remove(struct pci_dev *pcidev)
- {
- struct Scsi_Host *host = pci_get_drvdata(pcidev);
- struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata;
- u32 i;
- dprintk("scsi%d: hptiop_remove\n", hba->host->host_no);
- scsi_remove_host(host);
- hptiop_shutdown(pcidev);
- free_irq(hba->pcidev->irq, hba);
- for (i = 0; i < hba->max_requests; i++) {
- if (hba->dma_coherent[i] && hba->dma_coherent_handle[i])
- dma_free_coherent(&hba->pcidev->dev,
- hba->req_size + 0x20,
- hba->dma_coherent[i],
- hba->dma_coherent_handle[i]);
- else
- break;
- }
- hba->ops->internal_memfree(hba);
- hba->ops->unmap_pci_bar(hba);
- pci_release_regions(hba->pcidev);
- pci_set_drvdata(hba->pcidev, NULL);
- pci_disable_device(hba->pcidev);
- scsi_host_put(host);
- }
- static struct hptiop_adapter_ops hptiop_itl_ops = {
- .family = INTEL_BASED_IOP,
- .iop_wait_ready = iop_wait_ready_itl,
- .internal_memalloc = hptiop_internal_memalloc_itl,
- .internal_memfree = hptiop_internal_memfree_itl,
- .map_pci_bar = hptiop_map_pci_bar_itl,
- .unmap_pci_bar = hptiop_unmap_pci_bar_itl,
- .enable_intr = hptiop_enable_intr_itl,
- .disable_intr = hptiop_disable_intr_itl,
- .get_config = iop_get_config_itl,
- .set_config = iop_set_config_itl,
- .iop_intr = iop_intr_itl,
- .post_msg = hptiop_post_msg_itl,
- .post_req = hptiop_post_req_itl,
- .hw_dma_bit_mask = 64,
- .reset_comm = hptiop_reset_comm_itl,
- .host_phy_flag = cpu_to_le64(0),
- };
- static struct hptiop_adapter_ops hptiop_mv_ops = {
- .family = MV_BASED_IOP,
- .iop_wait_ready = iop_wait_ready_mv,
- .internal_memalloc = hptiop_internal_memalloc_mv,
- .internal_memfree = hptiop_internal_memfree_mv,
- .map_pci_bar = hptiop_map_pci_bar_mv,
- .unmap_pci_bar = hptiop_unmap_pci_bar_mv,
- .enable_intr = hptiop_enable_intr_mv,
- .disable_intr = hptiop_disable_intr_mv,
- .get_config = iop_get_config_mv,
- .set_config = iop_set_config_mv,
- .iop_intr = iop_intr_mv,
- .post_msg = hptiop_post_msg_mv,
- .post_req = hptiop_post_req_mv,
- .hw_dma_bit_mask = 33,
- .reset_comm = hptiop_reset_comm_mv,
- .host_phy_flag = cpu_to_le64(0),
- };
- static struct hptiop_adapter_ops hptiop_mvfrey_ops = {
- .family = MVFREY_BASED_IOP,
- .iop_wait_ready = iop_wait_ready_mvfrey,
- .internal_memalloc = hptiop_internal_memalloc_mvfrey,
- .internal_memfree = hptiop_internal_memfree_mvfrey,
- .map_pci_bar = hptiop_map_pci_bar_mvfrey,
- .unmap_pci_bar = hptiop_unmap_pci_bar_mvfrey,
- .enable_intr = hptiop_enable_intr_mvfrey,
- .disable_intr = hptiop_disable_intr_mvfrey,
- .get_config = iop_get_config_mvfrey,
- .set_config = iop_set_config_mvfrey,
- .iop_intr = iop_intr_mvfrey,
- .post_msg = hptiop_post_msg_mvfrey,
- .post_req = hptiop_post_req_mvfrey,
- .hw_dma_bit_mask = 64,
- .reset_comm = hptiop_reset_comm_mvfrey,
- .host_phy_flag = cpu_to_le64(1),
- };
- static struct pci_device_id hptiop_id_table[] = {
- { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x3530), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x3560), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x4210), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x4211), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x4310), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x4311), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x4321), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x4322), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x4400), (kernel_ulong_t)&hptiop_itl_ops },
- { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops },
- { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops },
- { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops },
- { PCI_VDEVICE(TTI, 0x4520), (kernel_ulong_t)&hptiop_mvfrey_ops },
- { PCI_VDEVICE(TTI, 0x4522), (kernel_ulong_t)&hptiop_mvfrey_ops },
- { PCI_VDEVICE(TTI, 0x3610), (kernel_ulong_t)&hptiop_mvfrey_ops },
- { PCI_VDEVICE(TTI, 0x3611), (kernel_ulong_t)&hptiop_mvfrey_ops },
- { PCI_VDEVICE(TTI, 0x3620), (kernel_ulong_t)&hptiop_mvfrey_ops },
- { PCI_VDEVICE(TTI, 0x3622), (kernel_ulong_t)&hptiop_mvfrey_ops },
- { PCI_VDEVICE(TTI, 0x3640), (kernel_ulong_t)&hptiop_mvfrey_ops },
- { PCI_VDEVICE(TTI, 0x3660), (kernel_ulong_t)&hptiop_mvfrey_ops },
- { PCI_VDEVICE(TTI, 0x3680), (kernel_ulong_t)&hptiop_mvfrey_ops },
- { PCI_VDEVICE(TTI, 0x3690), (kernel_ulong_t)&hptiop_mvfrey_ops },
- {},
- };
- MODULE_DEVICE_TABLE(pci, hptiop_id_table);
- static struct pci_driver hptiop_pci_driver = {
- .name = driver_name,
- .id_table = hptiop_id_table,
- .probe = hptiop_probe,
- .remove = hptiop_remove,
- .shutdown = hptiop_shutdown,
- };
- static int __init hptiop_module_init(void)
- {
- printk(KERN_INFO "%s %s\n", driver_name_long, driver_ver);
- return pci_register_driver(&hptiop_pci_driver);
- }
- static void __exit hptiop_module_exit(void)
- {
- pci_unregister_driver(&hptiop_pci_driver);
- }
- module_init(hptiop_module_init);
- module_exit(hptiop_module_exit);
- MODULE_LICENSE("GPL");
|