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sm8450-common: Add bootctrl and import gpt-utils from LA.VENDOR.1.0.r2-07900-WAIPIO.QSSI13.0

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Change-Id: I29aeee0348fbcf111bbdf232ac171106f4cb92bd
This commit is contained in:
Arian
2024-01-20 10:40:44 +01:00
parent 89e306247b
commit c4670a2a21
9 changed files with 2184 additions and 0 deletions
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52
gpt-utils/Android.bp Normal file
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soong_config_module_type {
name: "ufsbsg_cc_defaults",
module_type: "cc_defaults",
config_namespace: "ufsbsg",
variables: ["ufsframework"],
properties: ["cflags"],
}
soong_config_string_variable {
name: "ufsframework",
values: ["sg", "bsg"],
}
ufsbsg_cc_defaults {
name: "ufsbsg_defaults",
soong_config_variables: {
ufsframework: {
bsg : {
cflags : ["-D_BSG_FRAMEWORK_KERNEL_HEADERS"],
},
},
},
}
cc_library {
name: "libgptutils.xiaomi_sm8450",
vendor: true,
recovery_available: true,
defaults: ["ufsbsg_defaults"],
srcs: [
"gpt-utils.cpp",
"recovery-ufs-bsg.cpp",
],
shared_libs: [
"libcutils",
"liblog",
"libz",
],
cflags: [
"-Wall",
"-Wno-unused-parameter",
],
sanitize: {
cfi: false,
},
owner: "qti",
export_include_dirs: ["."],
header_libs: [
"qti_kernel_headers",
"device_kernel_headers",
],
}

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gpt-utils/gpt-utils.cpp Normal file
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gpt-utils/gpt-utils.h Normal file
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/*
* Copyright (c) 2013,2016,2020 The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __GPT_UTILS_H__
#define __GPT_UTILS_H__
#include <vector>
#include <string>
#include <map>
#ifdef __cplusplus
extern "C" {
#endif
#include <unistd.h>
#include <stdlib.h>
/******************************************************************************
* GPT HEADER DEFINES
******************************************************************************/
#define GPT_SIGNATURE "EFI PART"
#define HEADER_SIZE_OFFSET 12
#define HEADER_CRC_OFFSET 16
#define PRIMARY_HEADER_OFFSET 24
#define BACKUP_HEADER_OFFSET 32
#define FIRST_USABLE_LBA_OFFSET 40
#define LAST_USABLE_LBA_OFFSET 48
#define PENTRIES_OFFSET 72
#define PARTITION_COUNT_OFFSET 80
#define PENTRY_SIZE_OFFSET 84
#define PARTITION_CRC_OFFSET 88
#define TYPE_GUID_OFFSET 0
#define TYPE_GUID_SIZE 16
#define PTN_ENTRY_SIZE 128
#define UNIQUE_GUID_OFFSET 16
#define FIRST_LBA_OFFSET 32
#define LAST_LBA_OFFSET 40
#define ATTRIBUTE_FLAG_OFFSET 48
#define PARTITION_NAME_OFFSET 56
#define MAX_GPT_NAME_SIZE 72
/******************************************************************************
* AB RELATED DEFINES
******************************************************************************/
//Bit 48 onwords in the attribute field are the ones where we are allowed to
//store our AB attributes.
#define AB_FLAG_OFFSET (ATTRIBUTE_FLAG_OFFSET + 6)
#define GPT_DISK_INIT_MAGIC 0xABCD
#define AB_PARTITION_ATTR_SLOT_ACTIVE (0x1<<2)
#define AB_PARTITION_ATTR_BOOT_SUCCESSFUL (0x1<<6)
#define AB_PARTITION_ATTR_UNBOOTABLE (0x1<<7)
#define AB_SLOT_ACTIVE_VAL 0x3F
#define AB_SLOT_INACTIVE_VAL 0x0
#define AB_SLOT_ACTIVE 1
#define AB_SLOT_INACTIVE 0
#define AB_SLOT_A_SUFFIX "_a"
#define AB_SLOT_B_SUFFIX "_b"
#define PTN_XBL "xbl"
#define PTN_XBL_CFG "xbl_config"
#define PTN_MULTIIMGOEM "multiimgoem"
#define PTN_MULTIIMGQTI "multiimgqti"
#define PTN_SWAP_LIST PTN_XBL, PTN_XBL_CFG, PTN_MULTIIMGOEM, PTN_MULTIIMGQTI, "sbl1", "rpm", "tz", "aboot", "abl", "hyp", "lksecapp", "keymaster", "cmnlib", "cmnlib32", "cmnlib64", "pmic", "apdp", "devcfg", "hosd", "keystore", "msadp", "mdtp", "mdtpsecapp", "dsp", "aop", "qupfw", "vbmeta", "dtbo", "imagefv", "ImageFv", "vm-bootsys", "shrm", "cpucp", "uefi", "aop_config", "uefisecapp", "featenabler", "vendor_boot", "recovery", "qweslicstore", "xbl_ramdump"
#define AB_PTN_LIST PTN_SWAP_LIST, "boot", "system", "vendor", "odm", "modem", "bluetooth"
#define BOOT_DEV_DIR "/dev/block/bootdevice/by-name"
/******************************************************************************
* HELPER MACROS
******************************************************************************/
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
/******************************************************************************
* TYPES
******************************************************************************/
enum boot_update_stage {
UPDATE_MAIN = 1,
UPDATE_BACKUP,
UPDATE_FINALIZE
};
enum gpt_instance {
PRIMARY_GPT = 0,
SECONDARY_GPT
};
enum boot_chain {
NORMAL_BOOT = 0,
BACKUP_BOOT
};
struct gpt_disk {
//GPT primary header
uint8_t *hdr;
//primary header crc
uint32_t hdr_crc;
//GPT backup header
uint8_t *hdr_bak;
//backup header crc
uint32_t hdr_bak_crc;
//Partition entries array
uint8_t *pentry_arr;
//Partition entries array for backup table
uint8_t *pentry_arr_bak;
//Size of the pentry array
uint32_t pentry_arr_size;
//Size of each element in the pentry array
uint32_t pentry_size;
//CRC of the partition entry array
uint32_t pentry_arr_crc;
//CRC of the backup partition entry array
uint32_t pentry_arr_bak_crc;
//Path to block dev representing the disk
char devpath[PATH_MAX];
//Block size of disk
uint32_t block_size;
uint32_t is_initialized;
};
/******************************************************************************
* FUNCTION PROTOTYPES
******************************************************************************/
int prepare_boot_update(enum boot_update_stage stage);
//GPT disk methods
struct gpt_disk* gpt_disk_alloc();
//Free previously allocated gpt_disk struct
void gpt_disk_free(struct gpt_disk *disk);
//Get the details of the disk holding the partition whose name
//is passed in via dev
int gpt_disk_get_disk_info(const char *dev, struct gpt_disk *disk);
//Get pointer to partition entry from a allocated gpt_disk structure
uint8_t* gpt_disk_get_pentry(struct gpt_disk *disk,
const char *partname,
enum gpt_instance instance);
//Update the crc fields of the modified disk structure
int gpt_disk_update_crc(struct gpt_disk *disk);
//Write the contents of struct gpt_disk back to the actual disk
int gpt_disk_commit(struct gpt_disk *disk);
//Return if the current device is UFS based or not
int gpt_utils_is_ufs_device();
//Swtich betwieen using either the primary or the backup
//boot LUN for boot. This is required since UFS boot partitions
//cannot have a backup GPT which is what we use for failsafe
//updates of the other 'critical' partitions. This function will
//not be invoked for emmc targets and on UFS targets is only required
//to be invoked for XBL.
//
//The algorithm to do this is as follows:
//- Find the real block device(eg: /dev/block/sdb) that corresponds
// to the /dev/block/bootdevice/by-name/xbl(bak) symlink
//
//- Once we have the block device 'node' name(sdb in the above example)
// use this node to to locate the scsi generic device that represents
// it by checking the file /sys/block/sdb/device/scsi_generic/sgY
//
//- Once we locate sgY we call the query ioctl on /dev/sgy to switch
//the boot lun to either LUNA or LUNB
int gpt_utils_set_xbl_boot_partition(enum boot_chain chain);
//Given a vector of partition names as a input and a reference to a map,
//populate the map to indicate which physical disk each of the partitions
//sits on. The key in the map is the path to the block device where the
//partiton lies and the value is a vector of strings indicating which of
//the passed in partiton names sits on that device.
int gpt_utils_get_partition_map(std::vector<std::string>& partition_list,
std::map<std::string,std::vector<std::string>>& partition_map);
#ifdef __cplusplus
}
#endif
#endif /* __GPT_UTILS_H__ */

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gpt-utils/recovery-ufs-bsg.cpp Normal file
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/*
* Copyright (c) 2020 The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define LOG_TAG "recovery_ufs"
#include "recovery-ufs-bsg.h"
#ifndef _BSG_FRAMEWORK_KERNEL_HEADERS
#ifndef _GENERIC_KERNEL_HEADERS
#include <scsi/ufs/ioctl.h>
#include <scsi/ufs/ufs.h>
#endif
#endif
//Size of the buffer that needs to be passed to the UFS ioctl
#define UFS_ATTR_DATA_SIZE 32
#ifdef _BSG_FRAMEWORK_KERNEL_HEADERS
static int get_ufs_bsg_dev(void)
{
DIR *dir;
struct dirent *ent;
int ret = -ENODEV;
if ((dir = opendir ("/dev")) != NULL) {
/* read all the files and directories within directory */
while ((ent = readdir(dir)) != NULL) {
if (!strcmp(ent->d_name, "ufs-bsg") ||
!strcmp(ent->d_name, "ufs-bsg0")) {
snprintf(ufs_bsg_dev, FNAME_SZ, "/dev/%s", ent->d_name);
ret = 0;
break;
}
}
if (ret)
ALOGE("could not find the ufs-bsg dev\n");
closedir (dir);
} else {
/* could not open directory */
ALOGE("could not open /dev (error no: %d)\n", errno);
ret = -EINVAL;
}
return ret;
}
int ufs_bsg_dev_open(void)
{
int ret;
if (!fd_ufs_bsg) {
fd_ufs_bsg = open(ufs_bsg_dev, O_RDWR);
ret = errno;
if (fd_ufs_bsg < 0) {
ALOGE("Unable to open %s (error no: %d)",
ufs_bsg_dev, errno);
fd_ufs_bsg = 0;
return ret;
}
}
return 0;
}
void ufs_bsg_dev_close(void)
{
if (fd_ufs_bsg) {
close(fd_ufs_bsg);
fd_ufs_bsg = 0;
}
}
static int ufs_bsg_ioctl(int fd, struct ufs_bsg_request *req,
struct ufs_bsg_reply *rsp, __u8 *buf, __u32 buf_len,
enum bsg_ioctl_dir dir)
{
int ret;
struct sg_io_v4 sg_io = {0};
sg_io.guard = 'Q';
sg_io.protocol = BSG_PROTOCOL_SCSI;
sg_io.subprotocol = BSG_SUB_PROTOCOL_SCSI_TRANSPORT;
sg_io.request_len = sizeof(*req);
sg_io.request = (__u64)req;
sg_io.response = (__u64)rsp;
sg_io.max_response_len = sizeof(*rsp);
if (dir == BSG_IOCTL_DIR_FROM_DEV) {
sg_io.din_xfer_len = buf_len;
sg_io.din_xferp = (__u64)(buf);
} else {
sg_io.dout_xfer_len = buf_len;
sg_io.dout_xferp = (__u64)(buf);
}
ret = ioctl(fd, SG_IO, &sg_io);
if (ret)
ALOGE("%s: Error from sg_io ioctl (return value: %d, error no: %d, reply result from LLD: %d\n)",
__func__, ret, errno, rsp->result);
if (sg_io.info || rsp->result) {
ALOGE("%s: Error from sg_io info (check sg info: device_status: 0x%x, transport_status: 0x%x, driver_status: 0x%x, reply result from LLD: %d\n)",
__func__, sg_io.device_status, sg_io.transport_status,
sg_io.driver_status, rsp->result);
ret = -EAGAIN;
}
return ret;
}
static void compose_ufs_bsg_query_req(struct ufs_bsg_request *req, __u8 func,
__u8 opcode, __u8 idn, __u8 index, __u8 sel,
__u16 length)
{
struct utp_upiu_header *hdr = &req->upiu_req.header;
struct utp_upiu_query *qr = &req->upiu_req.qr;
req->msgcode = UTP_UPIU_QUERY_REQ;
hdr->dword_0 = DWORD(UTP_UPIU_QUERY_REQ, 0, 0, 0);
hdr->dword_1 = DWORD(0, func, 0, 0);
hdr->dword_2 = DWORD(0, 0, length >> 8, (__u8)length);
qr->opcode = opcode;
qr->idn = idn;
qr->index = index;
qr->selector = sel;
qr->length = htobe16(length);
}
static int ufs_query_attr(int fd, __u32 value,
__u8 func, __u8 opcode, __u8 idn,
__u8 index, __u8 sel)
{
struct ufs_bsg_request req = {0};
struct ufs_bsg_reply rsp = {0};
enum bsg_ioctl_dir dir = BSG_IOCTL_DIR_FROM_DEV;
int ret = 0;
if (opcode == QUERY_REQ_OP_WRITE_DESC || opcode == QUERY_REQ_OP_WRITE_ATTR)
dir = BSG_IOCTL_DIR_TO_DEV;
req.upiu_req.qr.value = htobe32(value);
compose_ufs_bsg_query_req(&req, func, opcode, idn, index, sel, 0);
ret = ufs_bsg_ioctl(fd, &req, &rsp, 0, 0, dir);
if (ret)
ALOGE("%s: Error from ufs_bsg_ioctl (return value: %d, error no: %d\n)",
__func__, ret, errno);
return ret;
}
int32_t set_boot_lun(char *sg_dev,uint8_t lun_id)
{
int32_t ret;
__u32 boot_lun_id = lun_id;
ret = get_ufs_bsg_dev();
if (ret)
return ret;
ALOGV("Found the ufs bsg dev: %s\n", ufs_bsg_dev);
ret = ufs_bsg_dev_open();
if (ret)
return ret;
ALOGV("Opened ufs bsg dev: %s\n", ufs_bsg_dev);
ret = ufs_query_attr(fd_ufs_bsg, boot_lun_id, QUERY_REQ_FUNC_STD_WRITE,
QUERY_REQ_OP_WRITE_ATTR, QUERY_ATTR_IDN_BOOT_LU_EN, 0, 0);
if (ret) {
ALOGE("Error requesting ufs attr idn %d via query ioctl (return value: %d, error no: %d)",
QUERY_ATTR_IDN_BOOT_LU_EN, ret, errno);
goto out;
}
out:
ufs_bsg_dev_close();
return ret;
}
#endif
#ifndef _BSG_FRAMEWORK_KERNEL_HEADERS
int32_t set_boot_lun(char *sg_dev, uint8_t boot_lun_id)
{
#ifndef _GENERIC_KERNEL_HEADERS
int fd = -1;
int rc;
struct ufs_ioctl_query_data *data = NULL;
size_t ioctl_data_size = sizeof(struct ufs_ioctl_query_data) + UFS_ATTR_DATA_SIZE;
data = (struct ufs_ioctl_query_data*)malloc(ioctl_data_size);
if (!data) {
fprintf(stderr, "%s: Failed to alloc query data struct\n",
__func__);
goto error;
}
memset(data, 0, ioctl_data_size);
data->opcode = UPIU_QUERY_OPCODE_WRITE_ATTR;
data->idn = QUERY_ATTR_IDN_BOOT_LU_EN;
data->buf_size = UFS_ATTR_DATA_SIZE;
data->buffer[0] = boot_lun_id;
fd = open(sg_dev, O_RDWR);
if (fd < 0) {
fprintf(stderr, "%s: Failed to open %s(%s)\n",
__func__,
sg_dev,
strerror(errno));
goto error;
}
rc = ioctl(fd, UFS_IOCTL_QUERY, data);
if (rc) {
fprintf(stderr, "%s: UFS query ioctl failed(%s)\n",
__func__,
strerror(errno));
goto error;
}
close(fd);
free(data);
return 0;
error:
if (fd >= 0)
close(fd);
if (data)
free(data);
return -1;
#else
return 0;
#endif
}
#endif

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#ifndef __RECOVERY_UFS_BSG_H__
#define __RECOVERY_UFS_BSG_H__
/*
* Copyright (c) 2020 The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <linux/bsg.h>
#include <scsi/scsi_bsg_ufs.h>
#include <endian.h>
#include <dirent.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#ifdef ANDROID
#include "cutils/log.h"
#endif
#ifdef OE
#include <syslog.h>
#define LOGI(...) syslog(LOG_NOTICE, "INFO:" __VA_ARGS__)
#define LOGV(...) syslog(LOG_NOTICE,"VERB:" __VA_ARGS__)
#define LOGD(...) syslog(LOG_DEBUG,"DBG:" __VA_ARGS__)
#define LOGE(...) syslog(LOG_ERR,"ERR:" __VA_ARGS__)
#define LOGW(...) syslog(LOG_WARNING,"WRN:" __VA_ARGS__)
#define strlcat(d,s,l) snprintf(d+strlen(d),l,"%s",s)
#endif
#define FNAME_SZ 64
#define SG_IO 0x2285
#define DWORD(b3, b2, b1, b0) htobe32((b3 << 24) | (b2 << 16) |\
(b1 << 8) | b0)
/* UFS BSG device nodes */
char ufs_bsg_dev[FNAME_SZ] = "/dev/ufs-bsg";
int fd_ufs_bsg;
int32_t set_ufs_lun(uint8_t lun_id);
#ifdef _BSG_FRAMEWORK_KERNEL_HEADERS
/* UPIU Transaction Codes */
enum {
UTP_UPIU_NOP_OUT = 0x00,
UTP_UPIU_COMMAND = 0x01,
UTP_UPIU_DATA_OUT = 0x02,
UTP_UPIU_TASK_REQ = 0x04,
UTP_UPIU_QUERY_REQ = 0x16,
};
/* UPIU Query Function field */
enum {
QUERY_REQ_FUNC_STD_READ = 0x01,
QUERY_REQ_FUNC_STD_WRITE = 0x81,
};
enum query_req_opcode {
QUERY_REQ_OP_READ_DESC = 0x1,
QUERY_REQ_OP_WRITE_DESC = 0x2,
QUERY_REQ_OP_READ_ATTR = 0x3,
QUERY_REQ_OP_WRITE_ATTR = 0x4,
QUERY_REQ_OP_READ_FLAG = 0x5,
QUERY_REQ_OP_SET_FLAG = 0x6,
QUERY_REQ_OP_CLEAR_FLAG = 0x7,
QUERY_REQ_OP_TOGGLE_FLAG = 0x8,
};
enum query_desc_idn {
QUERY_DESC_IDN_DEVICE = 0x0,
QUERY_DESC_IDN_UNIT = 0x2,
QUERY_DESC_IDN_GEOMETRY = 0x7,
};
enum query_desc_size {
QUERY_DESC_SIZE_DEVICE = 0x40,
QUERY_DESC_SIZE_GEOMETRY = 0x48,
QUERY_DESC_SIZE_UNIT = 0x23,
};
enum bsg_ioctl_dir {
BSG_IOCTL_DIR_TO_DEV,
BSG_IOCTL_DIR_FROM_DEV,
};
enum query_attr_idn {
QUERY_ATTR_IDN_BOOT_LU_EN = 0x00,
QUERY_ATTR_IDN_RESERVED = 0x01,
QUERY_ATTR_IDN_POWER_MODE = 0x02,
QUERY_ATTR_IDN_ACTIVE_ICC_LVL = 0x03,
};
#endif /* _BSG_FRAMEWORK_KERNEL_HEADERS */
#endif /* __RECOVERY_UFS_BSG_H__ */