From f5d1e2133c54c1f420a0c3cf45fa633f097823be Mon Sep 17 00:00:00 2001 From: Vishal Verma 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 Reviewed-by: Dan Williams Signed-off-by: Vishal Verma --- 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