smartmontools/SOURCES/smartmontools-7.2-logsuppagefix3.patch
2023-09-21 20:29:16 +00:00

232 lines
10 KiB
Diff

From 7c207dd5d06efccdee7258f832d4216fe5d1d998 Mon Sep 17 00:00:00 2001
From: "Milan P. Gandhi" <mgandhi@redhat.com>
Date: Mon, 17 Oct 2022 14:25:34 +0530
Subject: [PATCH 3/3] scsiprint.cpp: applied patch proposed by Yannick Hemery
to merge both 'supported' log pages
---
smartmontools-7.1/scsicmds.h | 5 ++
smartmontools-7.1/scsiprint.cpp | 103 +++++++++++++++++---------------
2 files changed, 59 insertions(+), 49 deletions(-)
diff --git a/smartmontools-7.1/scsicmds.h b/smartmontools-7.1/scsicmds.h
index 516f773..9bd8b21 100644
--- a/smartmontools-7.1/scsicmds.h
+++ b/smartmontools-7.1/scsicmds.h
@@ -167,6 +167,11 @@ struct scsi_readcap_resp {
uint16_t l_a_lba; /* Lowest Aligned Logical Block Address */
};
+struct scsi_supp_log_pages {
+ uint8_t page_code;
+ uint8_t subpage_code;
+};
+
/* SCSI Peripheral types (of interest) */
#define SCSI_PT_DIRECT_ACCESS 0x0
#define SCSI_PT_SEQUENTIAL_ACCESS 0x1
diff --git a/smartmontools-7.1/scsiprint.cpp b/smartmontools-7.1/scsiprint.cpp
index 81bed88..21a4929 100644
--- a/smartmontools-7.1/scsiprint.cpp
+++ b/smartmontools-7.1/scsiprint.cpp
@@ -39,6 +39,9 @@ uint8_t gBuf[GBUF_SIZE];
#define LOG_RESP_LONG_LEN ((62 * 256) + 252)
#define LOG_RESP_TAPE_ALERT_LEN 0x144
+/* Supported log pages + Supported log pages and subpages maximum count */
+#define SCSI_SUPP_LOG_PAGES_MAX_COUNT (252 + (62 * 128) + 126)
+
/* Log pages supported */
static bool gSmartLPage = false; /* Informational Exceptions log page */
static bool gTempLPage = false;
@@ -118,14 +121,17 @@ static void
scsiGetSupportedLogPages(scsi_device * device)
{
bool got_subpages = false;
- int k, bump, err, resp_len, num_unreported, num_unreported_spg;
- int resp_len_pg0_0 = 0;
- int resp_len_pg0_ff = 0; /* in SPC-4, response length of supported
- * log pages _and_ log subpages */
+ int k, err, resp_len, num_unreported, num_unreported_spg;
+ int supp_lpg_and_spg_count = 0;
+
const uint8_t * up;
uint8_t sup_lpgs[LOG_RESP_LEN];
+ struct scsi_supp_log_pages supp_lpg_and_spg[SCSI_SUPP_LOG_PAGES_MAX_COUNT];
memset(gBuf, 0, LOG_RESP_LEN);
+ memset(supp_lpg_and_spg, 0, sizeof(supp_lpg_and_spg));
+
+ /* Get supported log pages */
if ((err = scsiLogSense(device, SUPPORTED_LPAGES, 0, gBuf,
LOG_RESP_LEN, 0 /* do double fetch */))) {
if (scsi_debugmode > 0)
@@ -140,12 +146,23 @@ scsiGetSupportedLogPages(scsi_device * device)
logSenStr, scsiErrString(err));
if (err)
return;
- memcpy(sup_lpgs, gBuf, LOG_RESP_LEN);
- } else if ((scsi_version >= SCSI_VERSION_SPC_4) &&
- (scsi_version <= SCSI_VERSION_HIGHEST)) {
+ }
+
+ memcpy(sup_lpgs, gBuf, LOG_RESP_LEN);
+ resp_len = gBuf[3];
+ up = gBuf + LOGPAGEHDRSIZE;
+
+ for (k = 0; k < resp_len; k += 1) {
+ uint8_t page_code = 0x3f & up[k];
+ supp_lpg_and_spg[supp_lpg_and_spg_count++] = {page_code, 0};
+ }
+
+ /* Get supported log pages and subpages. Most drives seems to include the
+ supported log pages here as well, but some drives such as the Samsung
+ PM1643a will only report the additional log pages with subpages here */
+ if ((scsi_version >= SCSI_VERSION_SPC_4) &&
+ (scsi_version <= SCSI_VERSION_HIGHEST)) {
/* unclear what code T10 will choose for SPC-6 */
- memcpy(sup_lpgs, gBuf, LOG_RESP_LEN);
- resp_len_pg0_0 = sup_lpgs[3];
if ((err = scsiLogSense(device, SUPPORTED_LPAGES, SUPP_SPAGE_L_SPAGE,
gBuf, LOG_RESP_LONG_LEN,
-1 /* just single not double fetch */))) {
@@ -153,6 +170,7 @@ scsiGetSupportedLogPages(scsi_device * device)
pout("%s for supported pages and subpages failed [%s]\n",
logSenStr, scsiErrString(err));
} else {
+ /* Ensure we didn't get the same answer than without the subpages */
if (0 == memcmp(gBuf, sup_lpgs, LOG_RESP_LEN)) {
if (scsi_debugmode > 0)
pout("%s: %s ignored subpage field, bad\n",
@@ -163,48 +181,34 @@ scsiGetSupportedLogPages(scsi_device * device)
pout("%s supported subpages is bad SPF=%u SUBPG=%u\n",
logSenRspStr, !! (0x40 & gBuf[0]), gBuf[2]);
} else {
- resp_len_pg0_ff = sg_get_unaligned_be16(gBuf + 2);
got_subpages = true;
}
}
- } else {
- memcpy(sup_lpgs, gBuf, LOG_RESP_LEN);
- resp_len_pg0_0 = sup_lpgs[3];
}
if (got_subpages) {
resp_len = sg_get_unaligned_be16(gBuf + 2);
- if (resp_len_pg0_ff <= resp_len_pg0_0) {
- /* something is rotten ....., ignore SUPP_SPAGE_L_SPAGE */
- resp_len = resp_len_pg0_0;
- bump = 1;
- up = sup_lpgs + LOGPAGEHDRSIZE;
- got_subpages = false;
- (void)got_subpages; // not yet used below, suppress warning
- } else {
- resp_len = resp_len_pg0_ff;
- bump = 2;
- up = gBuf + LOGPAGEHDRSIZE;
+ up = gBuf + LOGPAGEHDRSIZE;
+ for (k = 0; k < resp_len; k += 2) {
+ uint8_t page_code = 0x3f & up[k];
+ uint8_t subpage_code = up[k+1];
+ supp_lpg_and_spg[supp_lpg_and_spg_count++] = {page_code, subpage_code};
}
- } else {
- resp_len = resp_len_pg0_0;
- bump = 1;
- up = sup_lpgs + LOGPAGEHDRSIZE;
}
+ num_unreported = 0;
num_unreported_spg = 0;
- for (num_unreported = 0, k = 0; k < resp_len; k += bump, up += bump) {
- uint8_t pg_num = 0x3f & up[0];
- uint8_t sub_pg_num = (0x40 & up[0]) ? up[1] : 0;
+ for (k = 0; k < supp_lpg_and_spg_count; k += 1) {
+ struct scsi_supp_log_pages supp_lpg = supp_lpg_and_spg[k];
- switch (pg_num)
+ switch (supp_lpg.page_code)
{
case SUPPORTED_LPAGES:
- if (! ((NO_SUBPAGE_L_SPAGE == sub_pg_num) ||
- (SUPP_SPAGE_L_SPAGE == sub_pg_num))) {
+ if (! ((NO_SUBPAGE_L_SPAGE == supp_lpg.subpage_code) ||
+ (SUPP_SPAGE_L_SPAGE == supp_lpg.subpage_code))) {
if (scsi_debugmode > 1)
pout("%s: Strange Log page number: 0x0,0x%x\n",
- __func__, sub_pg_num);
+ __func__, supp_lpg.subpage_code);
}
break;
case READ_ERROR_COUNTER_LPAGE:
@@ -223,13 +227,13 @@ scsiGetSupportedLogPages(scsi_device * device)
gNonMediumELPage = true;
break;
case TEMPERATURE_LPAGE:
- if (NO_SUBPAGE_L_SPAGE == sub_pg_num)
+ if (NO_SUBPAGE_L_SPAGE == supp_lpg.subpage_code)
gTempLPage = true;
- else if (ENVIRO_REP_L_SPAGE == sub_pg_num)
+ else if (ENVIRO_REP_L_SPAGE == supp_lpg.subpage_code)
gEnviroReportingLPage = true;
- else if (ENVIRO_LIMITS_L_SPAGE == sub_pg_num)
+ else if (ENVIRO_LIMITS_L_SPAGE == supp_lpg.subpage_code)
gEnviroLimitsLPage = true;
- else if (SUPP_SPAGE_L_SPAGE != sub_pg_num) {
+ else if (SUPP_SPAGE_L_SPAGE != supp_lpg.subpage_code) {
++num_unreported;
++num_unreported_spg;
}
@@ -238,11 +242,11 @@ scsiGetSupportedLogPages(scsi_device * device)
reporting of <lpage>,0xff so it is not an error. */
break;
case STARTSTOP_CYCLE_COUNTER_LPAGE:
- if (NO_SUBPAGE_L_SPAGE == sub_pg_num)
+ if (NO_SUBPAGE_L_SPAGE == supp_lpg.subpage_code)
gStartStopLPage = true;
- else if (UTILIZATION_L_SPAGE == sub_pg_num)
+ else if (UTILIZATION_L_SPAGE == supp_lpg.subpage_code)
gUtilizationLPage = true;
- else if (SUPP_SPAGE_L_SPAGE != sub_pg_num) {
+ else if (SUPP_SPAGE_L_SPAGE != supp_lpg.subpage_code) {
++num_unreported;
++num_unreported_spg;
}
@@ -254,15 +258,15 @@ scsiGetSupportedLogPages(scsi_device * device)
gSmartLPage = true;
break;
case BACKGROUND_RESULTS_LPAGE:
- if (NO_SUBPAGE_L_SPAGE == sub_pg_num)
+ if (NO_SUBPAGE_L_SPAGE == supp_lpg.subpage_code)
gBackgroundResultsLPage = true;
- else if (PEND_DEFECTS_L_SPAGE == sub_pg_num)
+ else if (PEND_DEFECTS_L_SPAGE == supp_lpg.subpage_code)
gPendDefectsLPage = true;
- else if (BACKGROUND_OP_L_SPAGE == sub_pg_num)
+ else if (BACKGROUND_OP_L_SPAGE == supp_lpg.subpage_code)
gBackgroundOpLPage = true;
- else if (LPS_MISALIGN_L_SPAGE == sub_pg_num)
+ else if (LPS_MISALIGN_L_SPAGE == supp_lpg.subpage_code)
gLPSMisalignLPage = true;
- else if (SUPP_SPAGE_L_SPAGE != sub_pg_num) {
+ else if (SUPP_SPAGE_L_SPAGE != supp_lpg.subpage_code) {
++num_unreported;
++num_unreported_spg;
}
@@ -296,9 +300,10 @@ scsiGetSupportedLogPages(scsi_device * device)
gSeagateFactoryLPage = true;
break;
default:
- if (pg_num < 0x30) { /* don't count VS pages */
+ if (supp_lpg.page_code < 0x30) { /* don't count VS pages */
++num_unreported;
- if ((sub_pg_num > 0) && (SUPP_SPAGE_L_SPAGE != sub_pg_num))
+ if ((supp_lpg.subpage_code > 0) &&
+ (SUPP_SPAGE_L_SPAGE != supp_lpg.subpage_code))
++num_unreported_spg;
}
break;
--
2.35.1