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[SCSI] convert sr to scsi_execute_req

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This follows almost the identical model to sd, except that there's one
ioctl which returns raw sense data, so it had to use scsi_execute()
instead.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
James Bottomley
2005-06-12 22:21:29 -05:00
committed by James Bottomley
parent ea73a9f239
commit 820732b501
2 changed files with 37 additions and 74 deletions
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49
drivers/scsi/sr.c
View File

@@ -50,10 +50,10 @@
#include <scsi/scsi_dbg.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_driver.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_ioctl.h> /* For the door lock/unlock commands */
#include <scsi/scsi_request.h>
#include "scsi_logging.h"
#include "sr.h"
@@ -658,39 +658,27 @@ static void get_sectorsize(struct scsi_cd *cd)
unsigned char *buffer;
int the_result, retries = 3;
int sector_size;
struct scsi_request *SRpnt = NULL;
request_queue_t *queue;
buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);
if (!buffer)
goto Enomem;
SRpnt = scsi_allocate_request(cd->device, GFP_KERNEL);
if (!SRpnt)
goto Enomem;
do {
cmd[0] = READ_CAPACITY;
memset((void *) &cmd[1], 0, 9);
/* Mark as really busy */
SRpnt->sr_request->rq_status = RQ_SCSI_BUSY;
SRpnt->sr_cmd_len = 0;
memset(buffer, 0, 8);
/* Do the command and wait.. */
SRpnt->sr_data_direction = DMA_FROM_DEVICE;
scsi_wait_req(SRpnt, (void *) cmd, (void *) buffer,
8, SR_TIMEOUT, MAX_RETRIES);
the_result = scsi_execute_req(cd->device, cmd, DMA_FROM_DEVICE,
buffer, 8, NULL, SR_TIMEOUT,
MAX_RETRIES);
the_result = SRpnt->sr_result;
retries--;
} while (the_result && retries);
scsi_release_request(SRpnt);
SRpnt = NULL;
if (the_result) {
cd->capacity = 0x1fffff;
sector_size = 2048; /* A guess, just in case */
@@ -750,8 +738,6 @@ Enomem:
cd->capacity = 0x1fffff;
sector_size = 2048; /* A guess, just in case */
cd->needs_sector_size = 1;
if (SRpnt)
scsi_release_request(SRpnt);
goto out;
}
@@ -759,8 +745,8 @@ static void get_capabilities(struct scsi_cd *cd)
{
unsigned char *buffer;
struct scsi_mode_data data;
struct scsi_request *SRpnt;
unsigned char cmd[MAX_COMMAND_SIZE];
struct scsi_sense_hdr sshdr;
unsigned int the_result;
int retries, rc, n;
@@ -776,19 +762,11 @@ static void get_capabilities(struct scsi_cd *cd)
""
};
/* allocate a request for the TEST_UNIT_READY */
SRpnt = scsi_allocate_request(cd->device, GFP_KERNEL);
if (!SRpnt) {
printk(KERN_WARNING "(get_capabilities:) Request allocation "
"failure.\n");
return;
}
/* allocate transfer buffer */
buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);
if (!buffer) {
printk(KERN_ERR "sr: out of memory.\n");
scsi_release_request(SRpnt);
return;
}
@@ -800,20 +778,15 @@ static void get_capabilities(struct scsi_cd *cd)
memset((void *)cmd, 0, MAX_COMMAND_SIZE);
cmd[0] = TEST_UNIT_READY;
SRpnt->sr_cmd_len = 0;
SRpnt->sr_sense_buffer[0] = 0;
SRpnt->sr_sense_buffer[2] = 0;
SRpnt->sr_data_direction = DMA_NONE;
the_result = scsi_execute_req (cd->device, cmd, DMA_NONE, NULL,
0, &sshdr, SR_TIMEOUT,
MAX_RETRIES);
scsi_wait_req (SRpnt, (void *) cmd, buffer,
0, SR_TIMEOUT, MAX_RETRIES);
the_result = SRpnt->sr_result;
retries++;
} while (retries < 5 &&
(!scsi_status_is_good(the_result) ||
((driver_byte(the_result) & DRIVER_SENSE) &&
SRpnt->sr_sense_buffer[2] == UNIT_ATTENTION)));
(scsi_sense_valid(&sshdr) &&
sshdr.sense_key == UNIT_ATTENTION)));
/* ask for mode page 0x2a */
rc = scsi_mode_sense(cd->device, 0, 0x2a, buffer, 128,
@@ -825,7 +798,6 @@ static void get_capabilities(struct scsi_cd *cd)
cd->cdi.mask |= (CDC_CD_R | CDC_CD_RW | CDC_DVD_R |
CDC_DVD | CDC_DVD_RAM |
CDC_SELECT_DISC | CDC_SELECT_SPEED);
scsi_release_request(SRpnt);
kfree(buffer);
printk("%s: scsi-1 drive\n", cd->cdi.name);
return;
@@ -885,7 +857,6 @@ static void get_capabilities(struct scsi_cd *cd)
cd->device->writeable = 1;
}
scsi_release_request(SRpnt);
kfree(buffer);
}