AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-24 14:51:00 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

[SCSI] add residual argument to scsi_execute and scsi_execute_req

Browse Source 
scsi_execute() and scsi_execute_req() discard the residual length
information. Some callers need it. This adds residual argument
(optional) to scsi_execute and scsi_execute_req.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
FUJITA Tomonori 2008-12-04 14:24:39 +09:00 committed by James Bottomley
parent a528ab7a32
commit f4f4e47e4a
11 changed files with 38 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/ata/libata-scsi.c
View File

@ -517,7 +517,7 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
/* Good values for timeout and retries? Values below
from scsi_ioctl_send_command() for default case... */
cmd_result = scsi_execute(scsidev, scsi_cmd, data_dir, argbuf, argsize,
sensebuf, (10*HZ), 5, 0);
sensebuf, (10*HZ), 5, 0, NULL);
if (driver_byte(cmd_result) == DRIVER_SENSE) {/* sense data available */
u8 *desc = sensebuf + 8;
@ -603,7 +603,7 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg)
/* Good values for timeout and retries? Values below
from scsi_ioctl_send_command() for default case... */
cmd_result = scsi_execute(scsidev, scsi_cmd, DMA_NONE, NULL, 0,
sensebuf, (10*HZ), 5, 0);
sensebuf, (10*HZ), 5, 0, NULL);
if (driver_byte(cmd_result) == DRIVER_SENSE) {/* sense data available */
u8 *desc = sensebuf + 8;

2
drivers/scsi/ch.c
View File

@ -190,7 +190,7 @@ ch_do_scsi(scsi_changer *ch, unsigned char *cmd,
result = scsi_execute_req(ch->device, cmd, direction, buffer,
buflength, &sshdr, timeout * HZ,
MAX_RETRIES);
MAX_RETRIES, NULL);
dprintk("result: 0x%x\n",result);
if (driver_byte(result) & DRIVER_SENSE) {

2
drivers/scsi/scsi_ioctl.c
View File

@ -94,7 +94,7 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
SCSI_LOG_IOCTL(1, printk("Trying ioctl with scsi command %d\n", *cmd));
result = scsi_execute_req(sdev, cmd, DMA_NONE, NULL, 0,
&sshdr, timeout, retries);
&sshdr, timeout, retries, NULL);
SCSI_LOG_IOCTL(2, printk("Ioctl returned 0x%x\n", result));

17
drivers/scsi/scsi_lib.c
View File

@ -183,13 +183,15 @@ int scsi_queue_insert(struct scsi_cmnd *cmd, int reason)
* @timeout: request timeout in seconds
* @retries: number of times to retry request
* @flags: or into request flags;
* @resid: optional residual length
*
* returns the req->errors value which is the scsi_cmnd result
* field.
*/
int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
int data_direction, void *buffer, unsigned bufflen,
unsigned char *sense, int timeout, int retries, int flags)
unsigned char *sense, int timeout, int retries, int flags,
int *resid)
{
struct request *req;
int write = (data_direction == DMA_TO_DEVICE);
@ -224,6 +226,8 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
if (unlikely(req->data_len > 0 && req->data_len <= bufflen))
memset(buffer + (bufflen - req->data_len), 0, req->data_len);
if (resid)
*resid = req->data_len;
ret = req->errors;
out:
blk_put_request(req);
@ -235,7 +239,8 @@ EXPORT_SYMBOL(scsi_execute);
int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd,
int data_direction, void *buffer, unsigned bufflen,
struct scsi_sense_hdr *sshdr, int timeout, int retries)
struct scsi_sense_hdr *sshdr, int timeout, int retries,
int *resid)
{
char *sense = NULL;
int result;
@ -246,7 +251,7 @@ int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd,
return DRIVER_ERROR << 24;
}
result = scsi_execute(sdev, cmd, data_direction, buffer, bufflen,
sense, timeout, retries, 0);
sense, timeout, retries, 0, resid);
if (sshdr)
scsi_normalize_sense(sense, SCSI_SENSE_BUFFERSIZE, sshdr);
@ -2016,7 +2021,7 @@ scsi_mode_select(struct scsi_device *sdev, int pf, int sp, int modepage,
}
ret = scsi_execute_req(sdev, cmd, DMA_TO_DEVICE, real_buffer, len,
sshdr, timeout, retries);
sshdr, timeout, retries, NULL);
kfree(real_buffer);
return ret;
}
@ -2081,7 +2086,7 @@ scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,
memset(buffer, 0, len);
result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer, len,
sshdr, timeout, retries);
sshdr, timeout, retries, NULL);
/* This code looks awful: what it's doing is making sure an
* ILLEGAL REQUEST sense return identifies the actual command
@ -2163,7 +2168,7 @@ scsi_test_unit_ready(struct scsi_device *sdev, int timeout, int retries,
/* try to eat the UNIT_ATTENTION if there are enough retries */
do {
result = scsi_execute_req(sdev, cmd, DMA_NONE, NULL, 0, sshdr,
timeout, retries);
timeout, retries, NULL);
if (sdev->removable && scsi_sense_valid(sshdr) &&
sshdr->sense_key == UNIT_ATTENTION)
sdev->changed = 1;

7
drivers/scsi/scsi_scan.c
View File

@ -216,7 +216,7 @@ static void scsi_unlock_floptical(struct scsi_device *sdev,
scsi_cmd[4] = 0x2a; /* size */
scsi_cmd[5] = 0;
scsi_execute_req(sdev, scsi_cmd, DMA_FROM_DEVICE, result, 0x2a, NULL,
SCSI_TIMEOUT, 3);
SCSI_TIMEOUT, 3, NULL);
}
/**
@ -581,7 +581,8 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result,
result = scsi_execute_req(sdev, scsi_cmd, DMA_FROM_DEVICE,
inq_result, try_inquiry_len, &sshdr,
HZ / 2 + HZ * scsi_inq_timeout, 3);
HZ / 2 + HZ * scsi_inq_timeout, 3,
NULL);
SCSI_LOG_SCAN_BUS(3, printk(KERN_INFO "scsi scan: INQUIRY %s "
"with code 0x%x\n",
@ -1390,7 +1391,7 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags,
result = scsi_execute_req(sdev, scsi_cmd, DMA_FROM_DEVICE,
lun_data, length, &sshdr,
SCSI_TIMEOUT + 4 * HZ, 3);
SCSI_TIMEOUT + 4 * HZ, 3, NULL);
SCSI_LOG_SCAN_BUS(3, printk (KERN_INFO "scsi scan: REPORT LUNS"
" %s (try %d) result 0x%x\n", result

3
drivers/scsi/scsi_transport_spi.c
View File

@ -111,7 +111,8 @@ static int spi_execute(struct scsi_device *sdev, const void *cmd,
sense, DV_TIMEOUT, /* retries */ 1,
REQ_FAILFAST_DEV |
REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER);
REQ_FAILFAST_DRIVER,
NULL);
if (result & DRIVER_SENSE) {
struct scsi_sense_hdr sshdr_tmp;
if (!sshdr)

11
drivers/scsi/sd.c
View File

@ -884,7 +884,7 @@ static int sd_sync_cache(struct scsi_disk *sdkp)
* flush everything.
*/
res = scsi_execute_req(sdp, cmd, DMA_NONE, NULL, 0, &sshdr,
SD_TIMEOUT, SD_MAX_RETRIES);
SD_TIMEOUT, SD_MAX_RETRIES, NULL);
if (res == 0)
break;
}
@ -1134,7 +1134,7 @@ sd_spinup_disk(struct scsi_disk *sdkp)
the_result = scsi_execute_req(sdkp->device, cmd,
DMA_NONE, NULL, 0,
&sshdr, SD_TIMEOUT,
SD_MAX_RETRIES);
SD_MAX_RETRIES, NULL);
/*
* If the drive has indicated to us that it
@ -1192,7 +1192,8 @@ sd_spinup_disk(struct scsi_disk *sdkp)
cmd[4] |= 1 << 4;
scsi_execute_req(sdkp->device, cmd, DMA_NONE,
NULL, 0, &sshdr,
SD_TIMEOUT, SD_MAX_RETRIES);
SD_TIMEOUT, SD_MAX_RETRIES,
NULL);
spintime_expire = jiffies + 100 * HZ;
spintime = 1;
}
@ -1306,7 +1307,7 @@ sd_read_capacity(struct scsi_disk *sdkp, unsigned char *buffer)
the_result = scsi_execute_req(sdp, cmd, DMA_FROM_DEVICE,
buffer, longrc ? 13 : 8, &sshdr,
SD_TIMEOUT, SD_MAX_RETRIES);
SD_TIMEOUT, SD_MAX_RETRIES, NULL);
if (media_not_present(sdkp, &sshdr))
return;
@ -1986,7 +1987,7 @@ static int sd_start_stop_device(struct scsi_disk *sdkp, int start)
return -ENODEV;
res = scsi_execute_req(sdp, cmd, DMA_NONE, NULL, 0, &sshdr,
SD_TIMEOUT, SD_MAX_RETRIES);
SD_TIMEOUT, SD_MAX_RETRIES, NULL);
if (res) {
sd_printk(KERN_WARNING, sdkp, "START_STOP FAILED\n");
sd_print_result(sdkp, res);

9
drivers/scsi/ses.c
View File

@ -77,7 +77,7 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code,
};
return scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
NULL, SES_TIMEOUT, SES_RETRIES);
NULL, SES_TIMEOUT, SES_RETRIES, NULL);
}
static int ses_send_diag(struct scsi_device *sdev, int page_code,
@ -95,7 +95,7 @@ static int ses_send_diag(struct scsi_device *sdev, int page_code,
};
result = scsi_execute_req(sdev, cmd, DMA_TO_DEVICE, buf, bufflen,
NULL, SES_TIMEOUT, SES_RETRIES);
NULL, SES_TIMEOUT, SES_RETRIES, NULL);
if (result)
sdev_printk(KERN_ERR, sdev, "SEND DIAGNOSTIC result: %8x\n",
result);
@ -369,7 +369,8 @@ static void ses_match_to_enclosure(struct enclosure_device *edev,
return;
if (scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf,
VPD_INQUIRY_SIZE, NULL, SES_TIMEOUT, SES_RETRIES))
VPD_INQUIRY_SIZE, NULL, SES_TIMEOUT, SES_RETRIES,
NULL))
goto free;
vpd_len = (buf[2] << 8) + buf[3];
@ -380,7 +381,7 @@ static void ses_match_to_enclosure(struct enclosure_device *edev,
cmd[3] = vpd_len >> 8;
cmd[4] = vpd_len & 0xff;
if (scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf,
vpd_len, NULL, SES_TIMEOUT, SES_RETRIES))
vpd_len, NULL, SES_TIMEOUT, SES_RETRIES, NULL))
goto free;
desc = buf + 4;

4
drivers/scsi/sr.c
View File

@ -177,7 +177,7 @@ int sr_test_unit_ready(struct scsi_device *sdev, struct scsi_sense_hdr *sshdr)
do {
the_result = scsi_execute_req(sdev, cmd, DMA_NONE, NULL,
0, sshdr, SR_TIMEOUT,
retries--);
retries--, NULL);
if (scsi_sense_valid(sshdr) &&
sshdr->sense_key == UNIT_ATTENTION)
sdev->changed = 1;
@ -681,7 +681,7 @@ static void get_sectorsize(struct scsi_cd *cd)
/* Do the command and wait.. */
the_result = scsi_execute_req(cd->device, cmd, DMA_FROM_DEVICE,
buffer, sizeof(buffer), NULL,
SR_TIMEOUT, MAX_RETRIES);
SR_TIMEOUT, MAX_RETRIES, NULL);
retries--;

2
drivers/scsi/sr_ioctl.c
View File

@ -207,7 +207,7 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
memset(sense, 0, sizeof(*sense));
result = scsi_execute(SDev, cgc->cmd, cgc->data_direction,
cgc->buffer, cgc->buflen, (char *)sense,
cgc->timeout, IOCTL_RETRIES, 0);
cgc->timeout, IOCTL_RETRIES, 0, NULL);
scsi_normalize_sense((char *)sense, sizeof(*sense), &sshdr);

5
include/scsi/scsi_device.h
View File

@ -365,10 +365,11 @@ extern int scsi_is_target_device(const struct device *);
extern int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
int data_direction, void *buffer, unsigned bufflen,
unsigned char *sense, int timeout, int retries,
int flag);
int flag, int *resid);
extern int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd,
int data_direction, void *buffer, unsigned bufflen,
struct scsi_sense_hdr *, int timeout, int retries);
struct scsi_sense_hdr *, int timeout, int retries,
int *resid);
extern int scsi_execute_async(struct scsi_device *sdev,
const unsigned char *cmd, int cmd_len, int data_direction,
void *buffer, unsigned bufflen, int use_sg,