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scsi: scsi_debug: Reset tape setting at device reset

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Set tape block size, density and compression to default values when the
device is reset (either directly or via target, bus or host reset).

Signed-off-by: Kai Mäkisara <Kai.Makisara@kolumbus.fi>
Link: https://lore.kernel.org/r/20250213092636.2510-7-Kai.Makisara@kolumbus.fi
Reviewed-by: John Meneghini <jmeneghi@redhat.com>
Tested-by: John Meneghini <jmeneghi@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Kai Mäkisara
2025-02-13 11:26:35 +02:00
committed by Martin K. Petersen
parent 568354b24c
commit 862a5556b1
1 changed files with 20 additions and 1 deletions
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21
drivers/scsi/scsi_debug.c
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@@ -6772,6 +6772,20 @@ static int sdebug_fail_lun_reset(struct scsi_cmnd *cmnd)
return 0;
}
static void scsi_tape_reset_clear(struct sdebug_dev_info *devip)
{
if (sdebug_ptype == TYPE_TAPE) {
int i;
devip->tape_blksize = TAPE_DEF_BLKSIZE;
devip->tape_density = TAPE_DEF_DENSITY;
devip->tape_partition = 0;
devip->tape_dce = 0;
for (i = 0; i < TAPE_MAX_PARTITIONS; i++)
devip->tape_location[i] = 0;
}
}
static int scsi_debug_device_reset(struct scsi_cmnd *SCpnt)
{
struct scsi_device *sdp = SCpnt->device;
@@ -6785,8 +6799,10 @@ static int scsi_debug_device_reset(struct scsi_cmnd *SCpnt)
sdev_printk(KERN_INFO, sdp, "%s\n", __func__);
scsi_debug_stop_all_queued(sdp);
if (devip)
if (devip) {
set_bit(SDEBUG_UA_POR, devip->uas_bm);
scsi_tape_reset_clear(devip);
}
if (sdebug_fail_lun_reset(SCpnt)) {
scmd_printk(KERN_INFO, SCpnt, "fail lun reset 0x%x\n", opcode);
@@ -6824,6 +6840,7 @@ static int scsi_debug_target_reset(struct scsi_cmnd *SCpnt)
list_for_each_entry(devip, &sdbg_host->dev_info_list, dev_list) {
if (devip->target == sdp->id) {
set_bit(SDEBUG_UA_BUS_RESET, devip->uas_bm);
scsi_tape_reset_clear(devip);
++k;
}
}
@@ -6855,6 +6872,7 @@ static int scsi_debug_bus_reset(struct scsi_cmnd *SCpnt)
list_for_each_entry(devip, &sdbg_host->dev_info_list, dev_list) {
set_bit(SDEBUG_UA_BUS_RESET, devip->uas_bm);
scsi_tape_reset_clear(devip);
++k;
}
@@ -6878,6 +6896,7 @@ static int scsi_debug_host_reset(struct scsi_cmnd *SCpnt)
list_for_each_entry(devip, &sdbg_host->dev_info_list,
dev_list) {
set_bit(SDEBUG_UA_BUS_RESET, devip->uas_bm);
scsi_tape_reset_clear(devip);
++k;
}
}