@@ -58,6 +58,7 @@
#include "sd.h"
#include "scsi_logging.h"
+#include "scsi_priv.h"
/* make sure inq_product_rev string corresponds to this version */
#define SDEBUG_VERSION "0191" /* format to fit INQUIRY revision field */
@@ -840,6 +841,7 @@ static bool have_dif_prot;
static bool write_since_sync;
static bool sdebug_statistics = DEF_STATISTICS;
static bool sdebug_wp;
+static bool sdebug_lun_eh;
/* Following enum: 0: no zbc, def; 1: host aware; 2: host managed */
static enum blk_zoned_model sdeb_zbc_model = BLK_ZONED_NONE;
static char *sdeb_zbc_model_s;
@@ -5423,6 +5425,9 @@ static int scsi_debug_slave_alloc(struct scsi_device *sdp)
pr_info("slave_alloc <%u %u %u %llu>\n",
sdp->host->host_no, sdp->channel, sdp->id, sdp->lun);
+ if (sdebug_lun_eh)
+ return scsi_device_setup_eh(sdp);
+
return 0;
}
@@ -5477,6 +5482,9 @@ static void scsi_debug_slave_destroy(struct scsi_device *sdp)
/* make this slot available for re-use */
devip->used = false;
sdp->hostdata = NULL;
+
+ if (sdebug_lun_eh)
+ scsi_device_clear_eh(sdp);
}
/* Returns true if we require the queued memory to be freed by the caller. */
@@ -6153,6 +6161,7 @@ module_param_named(zone_cap_mb, sdeb_zbc_zone_cap_mb, int, S_IRUGO);
module_param_named(zone_max_open, sdeb_zbc_max_open, int, S_IRUGO);
module_param_named(zone_nr_conv, sdeb_zbc_nr_conv, int, S_IRUGO);
module_param_named(zone_size_mb, sdeb_zbc_zone_size_mb, int, S_IRUGO);
+module_param_named(lun_eh, sdebug_lun_eh, bool, S_IRUGO);
MODULE_AUTHOR("Eric Youngdale + Douglas Gilbert");
MODULE_DESCRIPTION("SCSI debug adapter driver");
@@ -6225,6 +6234,7 @@ MODULE_PARM_DESC(zone_cap_mb, "Zone capacity in MiB (def=zone size)");
MODULE_PARM_DESC(zone_max_open, "Maximum number of open zones; [0] for no limit (def=auto)");
MODULE_PARM_DESC(zone_nr_conv, "Number of conventional zones (def=1)");
MODULE_PARM_DESC(zone_size_mb, "Zone size in MiB (def=auto)");
+MODULE_PARM_DESC(lun_eh, "LUN based error handle (def=0)");
#define SDEBUG_INFO_LEN 256
static char sdebug_info[SDEBUG_INFO_LEN];
Add new module param lun_eh to control if setup LUN based error handle, this is used to test the LUN based error handle. Signed-off-by: Wenchao Hao <haowenchao2@huawei.com> --- drivers/scsi/scsi_debug.c | 10 ++++++++++ 1 file changed, 10 insertions(+)