Log subpages are starting to appear in real devices (e.g. SSDs)
so add support for one. Adopt approach where all "wild"
sub-pages are themselves listed as long as there is at least
one non-wild page or subpage for a given page number.
Signed-off-by: Douglas Gilbert <dgilbert@xxxxxxxxxxxx>
---
drivers/scsi/scsi_debug.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index ba4a5a7dd25f..6e981c4b6379 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -2793,6 +2793,18 @@ static int resp_ie_l_pg(unsigned char *arr)
return sizeof(ie_l_pg);
}
+static int resp_env_rep_l_spg(unsigned char *arr)
+{
+ unsigned char env_rep_l_spg[] = {0x0, 0x0, 0x23, 0x8,
+ 0x0, 40, 72, 0xff, 45, 18, 0, 0,
+ 0x1, 0x0, 0x23, 0x8,
+ 0x0, 55, 72, 35, 55, 45, 0, 0,
+ };
+
+ memcpy(arr, env_rep_l_spg, sizeof(env_rep_l_spg));
+ return sizeof(env_rep_l_spg);
+}
+
#define SDEBUG_MAX_LSENSE_SZ 512
static int resp_log_sense(struct scsi_cmnd *scp,
@@ -2845,26 +2857,47 @@ static int resp_log_sense(struct scsi_cmnd *scp,
arr[n++] = 0xff; /* this page */
arr[n++] = 0xd;
arr[n++] = 0x0; /* Temperature */
+ arr[n++] = 0xd;
+ arr[n++] = 0x1; /* Environment reporting */
+ arr[n++] = 0xd;
+ arr[n++] = 0xff; /* all 0xd subpages */
arr[n++] = 0x2f;
arr[n++] = 0x0; /* Informational exceptions */
+ arr[n++] = 0x2f;
+ arr[n++] = 0xff; /* all 0x2f subpages */
arr[3] = n - 4;
break;
case 0xd: /* Temperature subpages */
n = 4;
arr[n++] = 0xd;
arr[n++] = 0x0; /* Temperature */
+ arr[n++] = 0xd;
+ arr[n++] = 0x1; /* Environment reporting */
+ arr[n++] = 0xd;
+ arr[n++] = 0xff; /* these subpages */
arr[3] = n - 4;
break;
case 0x2f: /* Informational exceptions subpages */
n = 4;
arr[n++] = 0x2f;
arr[n++] = 0x0; /* Informational exceptions */
+ arr[n++] = 0x2f;
+ arr[n++] = 0xff; /* these subpages */
arr[3] = n - 4;
break;
default:
mk_sense_invalid_fld(scp, SDEB_IN_CDB, 2, 5);
return check_condition_result;
}
+ } else if (subpcode > 0) {
+ arr[0] |= 0x40;
+ arr[1] = subpcode;
+ if (pcode == 0xd && subpcode == 1)
+ arr[3] = resp_env_rep_l_spg(arr + 4);
+ else {
+ mk_sense_invalid_fld(scp, SDEB_IN_CDB, 2, 5);
+ return check_condition_result;
+ }
} else {
mk_sense_invalid_fld(scp, SDEB_IN_CDB, 3, -1);
return check_condition_result;
--
2.25.1
