From f5d1e2133c54c1f420a0c3cf45fa633f097823be Mon Sep 17 00:00:00 2001
From: Vishal Verma <vishal.l.verma@intel.com>
Date: Thu, 7 Oct 2021 02:21:39 -0600
Subject: [PATCH 046/217] cxl: add health information to cxl-list
Add JSON output for fields from the 'GET_HEALTH_INFO' mailbox command
to memory device listings.
Cc: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
---
Documentation/cxl/cxl-list.txt | 38 +++++++
cxl/list.c | 5 +
util/json.c | 179 +++++++++++++++++++++++++++++++++
util/json.h | 1 +
4 files changed, 223 insertions(+)
diff --git a/Documentation/cxl/cxl-list.txt b/Documentation/cxl/cxl-list.txt
index 370d5b8..c8d10fb 100644
--- a/Documentation/cxl/cxl-list.txt
+++ b/Documentation/cxl/cxl-list.txt
@@ -48,6 +48,44 @@ OPTIONS
--idle::
Include idle (not enabled / zero-sized) devices in the listing
+-H::
+--health::
+ Include health information in the memdev listing. Example listing:
+----
+# cxl list -m mem0 -H
+[
+ {
+ "memdev":"mem0",
+ "pmem_size":268435456,
+ "ram_size":268435456,
+ "health":{
+ "maintenance_needed":true,
+ "performance_degraded":true,
+ "hw_replacement_needed":true,
+ "media_normal":false,
+ "media_not_ready":false,
+ "media_persistence_lost":false,
+ "media_data_lost":true,
+ "media_powerloss_persistence_loss":false,
+ "media_shutdown_persistence_loss":false,
+ "media_persistence_loss_imminent":false,
+ "media_powerloss_data_loss":false,
+ "media_shutdown_data_loss":false,
+ "media_data_loss_imminent":false,
+ "ext_life_used":"normal",
+ "ext_temperature":"critical",
+ "ext_corrected_volatile":"warning",
+ "ext_corrected_persistent":"normal",
+ "life_used_percent":15,
+ "temperature":25,
+ "dirty_shutdowns":10,
+ "volatile_errors":20,
+ "pmem_errors":30
+ }
+ }
+]
+----
+
include::human-option.txt[]
include::verbose-option.txt[]
diff --git a/cxl/list.c b/cxl/list.c
index 043d20c..b1468b7 100644
--- a/cxl/list.c
+++ b/cxl/list.c
@@ -16,6 +16,7 @@ static struct {
bool memdevs;
bool idle;
bool human;
+ bool health;
} list;
static unsigned long listopts_to_flags(void)
@@ -26,6 +27,8 @@ static unsigned long listopts_to_flags(void)
flags |= UTIL_JSON_IDLE;
if (list.human)
flags |= UTIL_JSON_HUMAN;
+ if (list.health)
+ flags |= UTIL_JSON_HEALTH;
return flags;
}
@@ -57,6 +60,8 @@ int cmd_list(int argc, const char **argv, struct cxl_ctx *ctx)
OPT_BOOLEAN('i', "idle", &list.idle, "include idle devices"),
OPT_BOOLEAN('u', "human", &list.human,
"use human friendly number formats "),
+ OPT_BOOLEAN('H', "health", &list.health,
+ "include memory device health information "),
OPT_END(),
};
const char * const u[] = {
diff --git a/util/json.c b/util/json.c
index 3be3a92..f97cf07 100644
--- a/util/json.c
+++ b/util/json.c
@@ -1442,6 +1442,180 @@ struct json_object *util_badblock_rec_to_json(u64 block, u64 count,
return NULL;
}
+static struct json_object *util_cxl_memdev_health_to_json(
+ struct cxl_memdev *memdev, unsigned long flags)
+{
+ struct json_object *jhealth;
+ struct json_object *jobj;
+ struct cxl_cmd *cmd;
+ u32 field;
+ int rc;
+
+ jhealth = json_object_new_object();
+ if (!jhealth)
+ return NULL;
+ if (!memdev)
+ goto err_jobj;
+
+ cmd = cxl_cmd_new_get_health_info(memdev);
+ if (!cmd)
+ goto err_jobj;
+
+ rc = cxl_cmd_submit(cmd);
+ if (rc < 0)
+ goto err_cmd;
+ rc = cxl_cmd_get_mbox_status(cmd);
+ if (rc != 0)
+ goto err_cmd;
+
+ /* health_status fields */
+ rc = cxl_cmd_health_info_get_maintenance_needed(cmd);
+ jobj = json_object_new_boolean(rc);
+ if (jobj)
+ json_object_object_add(jhealth, "maintenance_needed", jobj);
+
+ rc = cxl_cmd_health_info_get_performance_degraded(cmd);
+ jobj = json_object_new_boolean(rc);
+ if (jobj)
+ json_object_object_add(jhealth, "performance_degraded", jobj);
+
+ rc = cxl_cmd_health_info_get_hw_replacement_needed(cmd);
+ jobj = json_object_new_boolean(rc);
+ if (jobj)
+ json_object_object_add(jhealth, "hw_replacement_needed", jobj);
+
+ /* media_status fields */
+ rc = cxl_cmd_health_info_get_media_normal(cmd);
+ jobj = json_object_new_boolean(rc);
+ if (jobj)
+ json_object_object_add(jhealth, "media_normal", jobj);
+
+ rc = cxl_cmd_health_info_get_media_not_ready(cmd);
+ jobj = json_object_new_boolean(rc);
+ if (jobj)
+ json_object_object_add(jhealth, "media_not_ready", jobj);
+
+ rc = cxl_cmd_health_info_get_media_persistence_lost(cmd);
+ jobj = json_object_new_boolean(rc);
+ if (jobj)
+ json_object_object_add(jhealth, "media_persistence_lost", jobj);
+
+ rc = cxl_cmd_health_info_get_media_data_lost(cmd);
+ jobj = json_object_new_boolean(rc);
+ if (jobj)
+ json_object_object_add(jhealth, "media_data_lost", jobj);
+
+ rc = cxl_cmd_health_info_get_media_powerloss_persistence_loss(cmd);
+ jobj = json_object_new_boolean(rc);
+ if (jobj)
+ json_object_object_add(jhealth, "media_powerloss_persistence_loss", jobj);
+
+ rc = cxl_cmd_health_info_get_media_shutdown_persistence_loss(cmd);
+ jobj = json_object_new_boolean(rc);
+ if (jobj)
+ json_object_object_add(jhealth, "media_shutdown_persistence_loss", jobj);
+
+ rc = cxl_cmd_health_info_get_media_persistence_loss_imminent(cmd);
+ jobj = json_object_new_boolean(rc);
+ if (jobj)
+ json_object_object_add(jhealth, "media_persistence_loss_imminent", jobj);
+
+ rc = cxl_cmd_health_info_get_media_powerloss_data_loss(cmd);
+ jobj = json_object_new_boolean(rc);
+ if (jobj)
+ json_object_object_add(jhealth, "media_powerloss_data_loss", jobj);
+
+ rc = cxl_cmd_health_info_get_media_shutdown_data_loss(cmd);
+ jobj = json_object_new_boolean(rc);
+ if (jobj)
+ json_object_object_add(jhealth, "media_shutdown_data_loss", jobj);
+
+ rc = cxl_cmd_health_info_get_media_data_loss_imminent(cmd);
+ jobj = json_object_new_boolean(rc);
+ if (jobj)
+ json_object_object_add(jhealth, "media_data_loss_imminent", jobj);
+
+ /* ext_status fields */
+ if (cxl_cmd_health_info_get_ext_life_used_normal(cmd))
+ jobj = json_object_new_string("normal");
+ else if (cxl_cmd_health_info_get_ext_life_used_warning(cmd))
+ jobj = json_object_new_string("warning");
+ else if (cxl_cmd_health_info_get_ext_life_used_critical(cmd))
+ jobj = json_object_new_string("critical");
+ else
+ jobj = json_object_new_string("unknown");
+ if (jobj)
+ json_object_object_add(jhealth, "ext_life_used", jobj);
+
+ if (cxl_cmd_health_info_get_ext_temperature_normal(cmd))
+ jobj = json_object_new_string("normal");
+ else if (cxl_cmd_health_info_get_ext_temperature_warning(cmd))
+ jobj = json_object_new_string("warning");
+ else if (cxl_cmd_health_info_get_ext_temperature_critical(cmd))
+ jobj = json_object_new_string("critical");
+ else
+ jobj = json_object_new_string("unknown");
+ if (jobj)
+ json_object_object_add(jhealth, "ext_temperature", jobj);
+
+ if (cxl_cmd_health_info_get_ext_corrected_volatile_normal(cmd))
+ jobj = json_object_new_string("normal");
+ else if (cxl_cmd_health_info_get_ext_corrected_volatile_warning(cmd))
+ jobj = json_object_new_string("warning");
+ else
+ jobj = json_object_new_string("unknown");
+ if (jobj)
+ json_object_object_add(jhealth, "ext_corrected_volatile", jobj);
+
+ if (cxl_cmd_health_info_get_ext_corrected_persistent_normal(cmd))
+ jobj = json_object_new_string("normal");
+ else if (cxl_cmd_health_info_get_ext_corrected_persistent_warning(cmd))
+ jobj = json_object_new_string("warning");
+ else
+ jobj = json_object_new_string("unknown");
+ if (jobj)
+ json_object_object_add(jhealth, "ext_corrected_persistent", jobj);
+
+ /* other fields */
+ field = cxl_cmd_health_info_get_life_used(cmd);
+ if (field != 0xff) {
+ jobj = json_object_new_int(field);
+ if (jobj)
+ json_object_object_add(jhealth, "life_used_percent", jobj);
+ }
+
+ field = cxl_cmd_health_info_get_temperature(cmd);
+ if (field != 0xffff) {
+ jobj = json_object_new_int(field);
+ if (jobj)
+ json_object_object_add(jhealth, "temperature", jobj);
+ }
+
+ field = cxl_cmd_health_info_get_dirty_shutdowns(cmd);
+ jobj = json_object_new_int64(field);
+ if (jobj)
+ json_object_object_add(jhealth, "dirty_shutdowns", jobj);
+
+ field = cxl_cmd_health_info_get_volatile_errors(cmd);
+ jobj = json_object_new_int64(field);
+ if (jobj)
+ json_object_object_add(jhealth, "volatile_errors", jobj);
+
+ field = cxl_cmd_health_info_get_pmem_errors(cmd);
+ jobj = json_object_new_int64(field);
+ if (jobj)
+ json_object_object_add(jhealth, "pmem_errors", jobj);
+
+ cxl_cmd_unref(cmd);
+ return jhealth;
+
+err_cmd:
+ cxl_cmd_unref(cmd);
+err_jobj:
+ json_object_put(jhealth);
+ return NULL;
+}
+
struct json_object *util_cxl_memdev_to_json(struct cxl_memdev *memdev,
unsigned long flags)
{
@@ -1464,5 +1638,10 @@ struct json_object *util_cxl_memdev_to_json(struct cxl_memdev *memdev,
if (jobj)
json_object_object_add(jdev, "ram_size", jobj);
+ if (flags & UTIL_JSON_HEALTH) {
+ jobj = util_cxl_memdev_health_to_json(memdev, flags);
+ if (jobj)
+ json_object_object_add(jdev, "health", jobj);
+ }
return jdev;
}
diff --git a/util/json.h b/util/json.h
index 91918c8..ce575e6 100644
--- a/util/json.h
+++ b/util/json.h
@@ -19,6 +19,7 @@ enum util_json_flags {
UTIL_JSON_CONFIGURED = (1 << 7),
UTIL_JSON_FIRMWARE = (1 << 8),
UTIL_JSON_DAX_MAPPINGS = (1 << 9),
+ UTIL_JSON_HEALTH = (1 << 10),
};
struct json_object;
--
2.27.0