Signed-off-by: Alexander Motin <[email protected]>
---
ndctl/lib/msft.c | 111 ++++++++++++++++++++++++++++++++---------------
ndctl/lib/msft.h | 13 ++----
2 files changed, 79 insertions(+), 45 deletions(-)
diff --git a/ndctl/lib/msft.c b/ndctl/lib/msft.c
index 3112799..8f66c97 100644
--- a/ndctl/lib/msft.c
+++ b/ndctl/lib/msft.c
@@ -2,6 +2,7 @@
// Copyright (C) 2016-2017 Dell, Inc.
// Copyright (C) 2016 Hewlett Packard Enterprise Development LP
// Copyright (C) 2016-2020, Intel Corporation.
+/* Copyright (C) 2022 iXsystems, Inc. */
#include <stdlib.h>
#include <limits.h>
#include <util/log.h>
@@ -12,12 +13,39 @@
#define CMD_MSFT(_c) ((_c)->msft)
#define CMD_MSFT_SMART(_c) (CMD_MSFT(_c)->u.smart.data)
+static const char *msft_cmd_desc(int fn)
+{
+ static const char * const descs[] = {
+ [NDN_MSFT_CMD_CHEALTH] = "critical_health",
+ [NDN_MSFT_CMD_NHEALTH] = "nvdimm_health",
+ [NDN_MSFT_CMD_EHEALTH] = "es_health",
+ };
+ const char *desc;
+
+ if (fn >= (int) ARRAY_SIZE(descs))
+ return "unknown";
+ desc = descs[fn];
+ if (!desc)
+ return "unknown";
+ return desc;
+}
+
+static bool msft_cmd_is_supported(struct ndctl_dimm *dimm, int cmd)
+{
+ /* Handle this separately to support monitor mode */
+ if (cmd == ND_CMD_SMART)
+ return true;
+
+ return !!(dimm->cmd_mask & (1ULL << cmd));
+}
+
static u32 msft_get_firmware_status(struct ndctl_cmd *cmd)
{
return cmd->msft->u.smart.status;
}
-static struct ndctl_cmd *msft_dimm_cmd_new_smart(struct ndctl_dimm *dimm)
+static struct ndctl_cmd *alloc_msft_cmd(struct ndctl_dimm *dimm,
+ unsigned int func, size_t in_size, size_t out_size)
{
struct ndctl_bus *bus = ndctl_dimm_get_bus(dimm);
struct ndctl_ctx *ctx = ndctl_bus_get_ctx(bus);
@@ -30,12 +58,12 @@ static struct ndctl_cmd *msft_dimm_cmd_new_smart(struct
ndctl_dimm *dimm)
return NULL;
}
- if (test_dimm_dsm(dimm, NDN_MSFT_CMD_SMART) == DIMM_DSM_UNSUPPORTED) {
+ if (test_dimm_dsm(dimm, func) == DIMM_DSM_UNSUPPORTED) {
dbg(ctx, "unsupported function\n");
return NULL;
}
- size = sizeof(*cmd) + sizeof(struct ndn_pkg_msft);
+ size = sizeof(*cmd) + sizeof(struct nd_cmd_pkg) + in_size + out_size;
cmd = calloc(1, size);
if (!cmd)
return NULL;
@@ -45,25 +73,30 @@ static struct ndctl_cmd *msft_dimm_cmd_new_smart(struct
ndctl_dimm *dimm)
cmd->type = ND_CMD_CALL;
cmd->size = size;
cmd->status = 1;
+ cmd->get_firmware_status = msft_get_firmware_status;
msft = CMD_MSFT(cmd);
msft->gen.nd_family = NVDIMM_FAMILY_MSFT;
- msft->gen.nd_command = NDN_MSFT_CMD_SMART;
+ msft->gen.nd_command = func;
msft->gen.nd_fw_size = 0;
- msft->gen.nd_size_in = offsetof(struct ndn_msft_smart, status);
- msft->gen.nd_size_out = sizeof(msft->u.smart);
+ msft->gen.nd_size_in = in_size;
+ msft->gen.nd_size_out = out_size;
msft->u.smart.status = 0;
- cmd->get_firmware_status = msft_get_firmware_status;
return cmd;
}
+static struct ndctl_cmd *msft_dimm_cmd_new_smart(struct ndctl_dimm *dimm)
+{
+ return (alloc_msft_cmd(dimm, NDN_MSFT_CMD_NHEALTH,
+ 0, sizeof(struct ndn_msft_smart)));
+}
+
static int msft_smart_valid(struct ndctl_cmd *cmd)
{
if (cmd->type != ND_CMD_CALL ||
- cmd->size != sizeof(*cmd) + sizeof(struct ndn_pkg_msft) ||
CMD_MSFT(cmd)->gen.nd_family != NVDIMM_FAMILY_MSFT ||
- CMD_MSFT(cmd)->gen.nd_command != NDN_MSFT_CMD_SMART ||
+ CMD_MSFT(cmd)->gen.nd_command != NDN_MSFT_CMD_NHEALTH ||
cmd->status != 0)
return cmd->status < 0 ? cmd->status : -EINVAL;
return 0;
@@ -80,28 +113,33 @@ static unsigned int msft_cmd_smart_get_flags(struct
ndctl_cmd *cmd)
}
/* below health data can be retrieved via MSFT _DSM function 11 */
- return NDN_MSFT_SMART_HEALTH_VALID |
- NDN_MSFT_SMART_TEMP_VALID |
- NDN_MSFT_SMART_USED_VALID;
+ return ND_SMART_HEALTH_VALID | ND_SMART_TEMP_VALID |
+ ND_SMART_USED_VALID | ND_SMART_ALARM_VALID;
}
-static unsigned int num_set_bit_health(__u16 num)
+static unsigned int msft_cmd_smart_get_health(struct ndctl_cmd *cmd)
{
- int i;
- __u16 n = num & 0x7FFF;
- unsigned int count = 0;
+ unsigned int health = 0;
+ int rc;
- for (i = 0; i < 15; i++)
- if (!!(n & (1 << i)))
- count++;
+ rc = msft_smart_valid(cmd);
+ if (rc < 0) {
+ errno = -rc;
+ return UINT_MAX;
+ }
- return count;
+ if (CMD_MSFT_SMART(cmd)->nvm_lifetime == 0)
+ health |= ND_SMART_FATAL_HEALTH;
+ if (CMD_MSFT_SMART(cmd)->health != 0 ||
+ CMD_MSFT_SMART(cmd)->err_thresh_stat != 0)
+ health |= ND_SMART_CRITICAL_HEALTH;
+ if (CMD_MSFT_SMART(cmd)->warn_thresh_stat != 0)
+ health |= ND_SMART_NON_CRITICAL_HEALTH;
+ return health;
}
-static unsigned int msft_cmd_smart_get_health(struct ndctl_cmd *cmd)
+static unsigned int msft_cmd_smart_get_media_temperature(struct ndctl_cmd *cmd)
{
- unsigned int health;
- unsigned int num;
int rc;
rc = msft_smart_valid(cmd);
@@ -110,21 +148,13 @@ static unsigned int msft_cmd_smart_get_health(struct
ndctl_cmd *cmd)
return UINT_MAX;
}
- num = num_set_bit_health(CMD_MSFT_SMART(cmd)->health);
- if (num == 0)
- health = 0;
- else if (num < 2)
- health = ND_SMART_NON_CRITICAL_HEALTH;
- else if (num < 3)
- health = ND_SMART_CRITICAL_HEALTH;
- else
- health = ND_SMART_FATAL_HEALTH;
-
- return health;
+ return CMD_MSFT_SMART(cmd)->temp * 16;
}
-static unsigned int msft_cmd_smart_get_media_temperature(struct ndctl_cmd *cmd)
+static unsigned int msft_cmd_smart_get_alarm_flags(struct ndctl_cmd *cmd)
{
+ __u8 stat;
+ unsigned int flags = 0;
int rc;
rc = msft_smart_valid(cmd);
@@ -133,7 +163,13 @@ static unsigned int
msft_cmd_smart_get_media_temperature(struct ndctl_cmd *cmd)
return UINT_MAX;
}
- return CMD_MSFT_SMART(cmd)->temp * 16;
+ stat = CMD_MSFT_SMART(cmd)->err_thresh_stat |
+ CMD_MSFT_SMART(cmd)->warn_thresh_stat;
+ if (stat & 3) /* NVM_LIFETIME/ES_LIFETIME */
+ flags |= ND_SMART_SPARE_TRIP;
+ if (stat & 4) /* ES_TEMP */
+ flags |= ND_SMART_CTEMP_TRIP;
+ return flags;
}
static unsigned int msft_cmd_smart_get_life_used(struct ndctl_cmd *cmd)
@@ -171,10 +207,13 @@ static int msft_cmd_xlat_firmware_status(struct ndctl_cmd
*cmd)
}
struct ndctl_dimm_ops * const msft_dimm_ops = &(struct ndctl_dimm_ops) {
+ .cmd_desc = msft_cmd_desc,
+ .cmd_is_supported = msft_cmd_is_supported,
.new_smart = msft_dimm_cmd_new_smart,
.smart_get_flags = msft_cmd_smart_get_flags,
.smart_get_health = msft_cmd_smart_get_health,
.smart_get_media_temperature = msft_cmd_smart_get_media_temperature,
+ .smart_get_alarm_flags = msft_cmd_smart_get_alarm_flags,
.smart_get_life_used = msft_cmd_smart_get_life_used,
.xlat_firmware_status = msft_cmd_xlat_firmware_status,
};
diff --git a/ndctl/lib/msft.h b/ndctl/lib/msft.h
index 978cc11..8d246a5 100644
--- a/ndctl/lib/msft.h
+++ b/ndctl/lib/msft.h
@@ -2,21 +2,16 @@
/* Copyright (C) 2016-2017 Dell, Inc. */
/* Copyright (C) 2016 Hewlett Packard Enterprise Development LP */
/* Copyright (C) 2014-2020, Intel Corporation. */
+/* Copyright (C) 2022 iXsystems, Inc. */
#ifndef __NDCTL_MSFT_H__
#define __NDCTL_MSFT_H__
enum {
- NDN_MSFT_CMD_QUERY = 0,
-
- /* non-root commands */
- NDN_MSFT_CMD_SMART = 11,
+ NDN_MSFT_CMD_CHEALTH = 10,
+ NDN_MSFT_CMD_NHEALTH = 11,
+ NDN_MSFT_CMD_EHEALTH = 12,
};
-/* NDN_MSFT_CMD_SMART */
-#define NDN_MSFT_SMART_HEALTH_VALID ND_SMART_HEALTH_VALID
-#define NDN_MSFT_SMART_TEMP_VALID ND_SMART_TEMP_VALID
-#define NDN_MSFT_SMART_USED_VALID ND_SMART_USED_VALID
-
/*
* This is actually function 11 data,
* This is the closest I can find to match smart
--
2.30.2