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Diffstat (limited to 'drivers/scsi/sd.c')
-rw-r--r--drivers/scsi/sd.c119
1 files changed, 72 insertions, 47 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 47dafe6b8a66..a38c71511bc9 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -664,6 +664,9 @@ static int sd_sec_submit(void *data, u16 spsp, u8 secp, void *buffer,
struct scsi_disk *sdkp = data;
struct scsi_device *sdev = sdkp->device;
u8 cdb[12] = { 0, };
+ const struct scsi_exec_args exec_args = {
+ .req_flags = BLK_MQ_REQ_PM,
+ };
int ret;
cdb[0] = send ? SECURITY_PROTOCOL_OUT : SECURITY_PROTOCOL_IN;
@@ -671,9 +674,9 @@ static int sd_sec_submit(void *data, u16 spsp, u8 secp, void *buffer,
put_unaligned_be16(spsp, &cdb[2]);
put_unaligned_be32(len, &cdb[6]);
- ret = scsi_execute(sdev, cdb, send ? DMA_TO_DEVICE : DMA_FROM_DEVICE,
- buffer, len, NULL, NULL, SD_TIMEOUT, sdkp->max_retries, 0,
- RQF_PM, NULL);
+ ret = scsi_execute_cmd(sdev, cdb, send ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN,
+ buffer, len, SD_TIMEOUT, sdkp->max_retries,
+ &exec_args);
return ret <= 0 ? ret : -EIO;
}
#endif /* CONFIG_BLK_SED_OPAL */
@@ -831,6 +834,19 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode)
blk_queue_max_discard_sectors(q, max_blocks * (logical_block_size >> 9));
}
+static void *sd_set_special_bvec(struct request *rq, unsigned int data_len)
+{
+ struct page *page;
+
+ page = mempool_alloc(sd_page_pool, GFP_ATOMIC);
+ if (!page)
+ return NULL;
+ clear_highpage(page);
+ bvec_set_page(&rq->special_vec, page, data_len, 0);
+ rq->rq_flags |= RQF_SPECIAL_PAYLOAD;
+ return bvec_virt(&rq->special_vec);
+}
+
static blk_status_t sd_setup_unmap_cmnd(struct scsi_cmnd *cmd)
{
struct scsi_device *sdp = cmd->device;
@@ -841,19 +857,14 @@ static blk_status_t sd_setup_unmap_cmnd(struct scsi_cmnd *cmd)
unsigned int data_len = 24;
char *buf;
- rq->special_vec.bv_page = mempool_alloc(sd_page_pool, GFP_ATOMIC);
- if (!rq->special_vec.bv_page)
+ buf = sd_set_special_bvec(rq, data_len);
+ if (!buf)
return BLK_STS_RESOURCE;
- clear_highpage(rq->special_vec.bv_page);
- rq->special_vec.bv_offset = 0;
- rq->special_vec.bv_len = data_len;
- rq->rq_flags |= RQF_SPECIAL_PAYLOAD;
cmd->cmd_len = 10;
cmd->cmnd[0] = UNMAP;
cmd->cmnd[8] = 24;
- buf = bvec_virt(&rq->special_vec);
put_unaligned_be16(6 + 16, &buf[0]);
put_unaligned_be16(16, &buf[2]);
put_unaligned_be64(lba, &buf[8]);
@@ -876,13 +887,8 @@ static blk_status_t sd_setup_write_same16_cmnd(struct scsi_cmnd *cmd,
u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq));
u32 data_len = sdp->sector_size;
- rq->special_vec.bv_page = mempool_alloc(sd_page_pool, GFP_ATOMIC);
- if (!rq->special_vec.bv_page)
+ if (!sd_set_special_bvec(rq, data_len))
return BLK_STS_RESOURCE;
- clear_highpage(rq->special_vec.bv_page);
- rq->special_vec.bv_offset = 0;
- rq->special_vec.bv_len = data_len;
- rq->rq_flags |= RQF_SPECIAL_PAYLOAD;
cmd->cmd_len = 16;
cmd->cmnd[0] = WRITE_SAME_16;
@@ -908,13 +914,8 @@ static blk_status_t sd_setup_write_same10_cmnd(struct scsi_cmnd *cmd,
u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq));
u32 data_len = sdp->sector_size;
- rq->special_vec.bv_page = mempool_alloc(sd_page_pool, GFP_ATOMIC);
- if (!rq->special_vec.bv_page)
+ if (!sd_set_special_bvec(rq, data_len))
return BLK_STS_RESOURCE;
- clear_highpage(rq->special_vec.bv_page);
- rq->special_vec.bv_offset = 0;
- rq->special_vec.bv_len = data_len;
- rq->rq_flags |= RQF_SPECIAL_PAYLOAD;
cmd->cmd_len = 10;
cmd->cmnd[0] = WRITE_SAME;
@@ -1583,13 +1584,16 @@ static int sd_sync_cache(struct scsi_disk *sdkp, struct scsi_sense_hdr *sshdr)
const int timeout = sdp->request_queue->rq_timeout
* SD_FLUSH_TIMEOUT_MULTIPLIER;
struct scsi_sense_hdr my_sshdr;
+ const struct scsi_exec_args exec_args = {
+ .req_flags = BLK_MQ_REQ_PM,
+ /* caller might not be interested in sense, but we need it */
+ .sshdr = sshdr ? : &my_sshdr,
+ };
if (!scsi_device_online(sdp))
return -ENODEV;
- /* caller might not be interested in sense, but we need it */
- if (!sshdr)
- sshdr = &my_sshdr;
+ sshdr = exec_args.sshdr;
for (retries = 3; retries > 0; --retries) {
unsigned char cmd[16] = { 0 };
@@ -1602,8 +1606,8 @@ static int sd_sync_cache(struct scsi_disk *sdkp, struct scsi_sense_hdr *sshdr)
* Leave the rest of the command zero to indicate
* flush everything.
*/
- res = scsi_execute(sdp, cmd, DMA_NONE, NULL, 0, NULL, sshdr,
- timeout, sdkp->max_retries, 0, RQF_PM, NULL);
+ res = scsi_execute_cmd(sdp, cmd, REQ_OP_DRV_IN, NULL, 0,
+ timeout, sdkp->max_retries, &exec_args);
if (res == 0)
break;
}
@@ -1745,6 +1749,9 @@ static int sd_pr_command(struct block_device *bdev, u8 sa,
struct scsi_disk *sdkp = scsi_disk(bdev->bd_disk);
struct scsi_device *sdev = sdkp->device;
struct scsi_sense_hdr sshdr;
+ const struct scsi_exec_args exec_args = {
+ .sshdr = &sshdr,
+ };
int result;
u8 cmd[16] = { 0, };
u8 data[24] = { 0, };
@@ -1758,8 +1765,9 @@ static int sd_pr_command(struct block_device *bdev, u8 sa,
put_unaligned_be64(sa_key, &data[8]);
data[20] = flags;
- result = scsi_execute_req(sdev, cmd, DMA_TO_DEVICE, &data, sizeof(data),
- &sshdr, SD_TIMEOUT, sdkp->max_retries, NULL);
+ result = scsi_execute_cmd(sdev, cmd, REQ_OP_DRV_OUT, &data,
+ sizeof(data), SD_TIMEOUT, sdkp->max_retries,
+ &exec_args);
if (scsi_status_is_check_condition(result) &&
scsi_sense_valid(&sshdr)) {
@@ -2088,6 +2096,9 @@ sd_spinup_disk(struct scsi_disk *sdkp)
int retries, spintime;
unsigned int the_result;
struct scsi_sense_hdr sshdr;
+ const struct scsi_exec_args exec_args = {
+ .sshdr = &sshdr,
+ };
int sense_valid = 0;
spintime = 0;
@@ -2103,10 +2114,11 @@ sd_spinup_disk(struct scsi_disk *sdkp)
cmd[0] = TEST_UNIT_READY;
memset((void *) &cmd[1], 0, 9);
- the_result = scsi_execute_req(sdkp->device, cmd,
- DMA_NONE, NULL, 0,
- &sshdr, SD_TIMEOUT,
- sdkp->max_retries, NULL);
+ the_result = scsi_execute_cmd(sdkp->device, cmd,
+ REQ_OP_DRV_IN, NULL, 0,
+ SD_TIMEOUT,
+ sdkp->max_retries,
+ &exec_args);
/*
* If the drive has indicated to us that it
@@ -2163,10 +2175,10 @@ sd_spinup_disk(struct scsi_disk *sdkp)
cmd[4] = 1; /* Start spin cycle */
if (sdkp->device->start_stop_pwr_cond)
cmd[4] |= 1 << 4;
- scsi_execute_req(sdkp->device, cmd, DMA_NONE,
- NULL, 0, &sshdr,
+ scsi_execute_cmd(sdkp->device, cmd,
+ REQ_OP_DRV_IN, NULL, 0,
SD_TIMEOUT, sdkp->max_retries,
- NULL);
+ &exec_args);
spintime_expire = jiffies + 100 * HZ;
spintime = 1;
}
@@ -2296,6 +2308,9 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp,
{
unsigned char cmd[16];
struct scsi_sense_hdr sshdr;
+ const struct scsi_exec_args exec_args = {
+ .sshdr = &sshdr,
+ };
int sense_valid = 0;
int the_result;
int retries = 3, reset_retries = READ_CAPACITY_RETRIES_ON_RESET;
@@ -2313,9 +2328,9 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp,
cmd[13] = RC16_LEN;
memset(buffer, 0, RC16_LEN);
- the_result = scsi_execute_req(sdp, cmd, DMA_FROM_DEVICE,
- buffer, RC16_LEN, &sshdr,
- SD_TIMEOUT, sdkp->max_retries, NULL);
+ the_result = scsi_execute_cmd(sdp, cmd, REQ_OP_DRV_IN,
+ buffer, RC16_LEN, SD_TIMEOUT,
+ sdkp->max_retries, &exec_args);
if (media_not_present(sdkp, &sshdr))
return -ENODEV;
@@ -2387,6 +2402,9 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp,
{
unsigned char cmd[16];
struct scsi_sense_hdr sshdr;
+ const struct scsi_exec_args exec_args = {
+ .sshdr = &sshdr,
+ };
int sense_valid = 0;
int the_result;
int retries = 3, reset_retries = READ_CAPACITY_RETRIES_ON_RESET;
@@ -2398,9 +2416,9 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp,
memset(&cmd[1], 0, 9);
memset(buffer, 0, 8);
- the_result = scsi_execute_req(sdp, cmd, DMA_FROM_DEVICE,
- buffer, 8, &sshdr,
- SD_TIMEOUT, sdkp->max_retries, NULL);
+ the_result = scsi_execute_cmd(sdp, cmd, REQ_OP_DRV_IN, buffer,
+ 8, SD_TIMEOUT, sdkp->max_retries,
+ &exec_args);
if (media_not_present(sdkp, &sshdr))
return -ENODEV;
@@ -3637,6 +3655,10 @@ static int sd_start_stop_device(struct scsi_disk *sdkp, int start)
{
unsigned char cmd[6] = { START_STOP }; /* START_VALID */
struct scsi_sense_hdr sshdr;
+ const struct scsi_exec_args exec_args = {
+ .sshdr = &sshdr,
+ .req_flags = BLK_MQ_REQ_PM,
+ };
struct scsi_device *sdp = sdkp->device;
int res;
@@ -3649,8 +3671,8 @@ static int sd_start_stop_device(struct scsi_disk *sdkp, int start)
if (!scsi_device_online(sdp))
return -ENODEV;
- res = scsi_execute(sdp, cmd, DMA_NONE, NULL, 0, NULL, &sshdr,
- SD_TIMEOUT, sdkp->max_retries, 0, RQF_PM, NULL);
+ res = scsi_execute_cmd(sdp, cmd, REQ_OP_DRV_IN, NULL, 0, SD_TIMEOUT,
+ sdkp->max_retries, &exec_args);
if (res) {
sd_print_result(sdkp, "Start/Stop Unit failed", res);
if (res > 0 && scsi_sense_valid(&sshdr)) {
@@ -3790,10 +3812,13 @@ static int sd_resume_runtime(struct device *dev)
if (sdp->ignore_media_change) {
/* clear the device's sense data */
static const u8 cmd[10] = { REQUEST_SENSE };
+ const struct scsi_exec_args exec_args = {
+ .req_flags = BLK_MQ_REQ_PM,
+ };
- if (scsi_execute(sdp, cmd, DMA_NONE, NULL, 0, NULL,
- NULL, sdp->request_queue->rq_timeout, 1, 0,
- RQF_PM, NULL))
+ if (scsi_execute_cmd(sdp, cmd, REQ_OP_DRV_IN, NULL, 0,
+ sdp->request_queue->rq_timeout, 1,
+ &exec_args))
sd_printk(KERN_NOTICE, sdkp,
"Failed to clear sense data\n");
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-26 09:05:41 +0300