From 862a5556b1a40ebc30e7e234068090232e24a71f Mon Sep 17 00:00:00 2001 From: =?utf8?q?Kai=20M=C3=A4kisara?= Date: Thu, 13 Feb 2025 11:26:35 +0200 Subject: [PATCH] scsi: scsi_debug: Reset tape setting at device reset MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Link: https://lore.kernel.org/r/20250213092636.2510-7-Kai.Makisara@kolumbus.fi Reviewed-by: John Meneghini Tested-by: John Meneghini Signed-off-by: Martin K. Petersen --- drivers/scsi/scsi_debug.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 394a830327c9..39118418ca16 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -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; } } -- 2.50.1