From: Gollu Appalanaidu <anaidu.gollu@samsung.com>
Date: Fri, 5 Nov 2021 13:05:37 +0000 (+0100)
Subject: types: add supported log pages log page (lid = 0x00)
X-Git-Tag: v1.0-rc0~54^2~8
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=27f45627861c087ee0a2fb680b8ce5599e6cb09f;p=users%2Fsagi%2Flibnvme.git

types: add supported log pages log page (lid = 0x00)

Signed-off-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>
[dwagner: - ported from nvme-cli-monolithic
          - changed naming scheme to nvme_get_log_supported_log_pages]
Signed-off-by: Daniel Wagner <dwagner@suse.de>
---

diff --git a/src/libnvme.map b/src/libnvme.map
index d425ef0a..1b495099 100644
--- a/src/libnvme.map
+++ b/src/libnvme.map
@@ -123,6 +123,7 @@
 		nvme_get_log_reservation;
 		nvme_get_log_sanitize;
 		nvme_get_log_smart;
+		nvme_get_log_supported_log_pages;
 		nvme_get_log_telemetry_ctrl;
 		nvme_get_log_telemetry_host;
 		nvme_get_new_host_telemetry;
diff --git a/src/nvme/ioctl.c b/src/nvme/ioctl.c
index c638a61b..b7a8b27e 100644
--- a/src/nvme/ioctl.c
+++ b/src/nvme/ioctl.c
@@ -612,6 +612,14 @@ static int __nvme_get_log(int fd, enum nvme_cmd_get_log_lid lid, bool rae,
 			    NVME_CSI_NVM, len, log);
 }
 
+int nvme_get_log_supported_log_pages(int fd, bool rae,
+				     struct nvme_supported_log_pages *log)
+{
+	BUILD_ASSERT(sizeof(struct nvme_supported_log_pages) == 1024);
+	return __nvme_get_log(fd, NVME_LOG_LID_SUPPORTED_LOG_PAGES, rae,
+			      sizeof(*log), log);
+}
+
 int nvme_get_log_error(int fd, unsigned nr_entries, bool rae,
 		       struct nvme_error_log_page *log)
 {
diff --git a/src/nvme/ioctl.h b/src/nvme/ioctl.h
index 72fd02ca..310b7a11 100644
--- a/src/nvme/ioctl.h
+++ b/src/nvme/ioctl.h
@@ -793,6 +793,17 @@ static inline int nvme_get_log_simple(int fd, enum nvme_cmd_get_log_lid lid,
 	return nvme_get_nsid_log(fd, lid, NVME_NSID_ALL, len, log);
 }
 
+/** nvme_get_log_supported_log_pages() - Retrieve nmve supported log pages
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @log:	Array of LID supported and Effects data structures
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_log_supported_log_pages(int fd, bool rae,
+				     struct nvme_supported_log_pages *log);
+
 /**
  * nvme_get_log_error() - Retrieve nvme error log
  * @fd:		File descriptor of nvme device
diff --git a/src/nvme/types.h b/src/nvme/types.h
index 7b7cd9ac..a8f4dd40 100644
--- a/src/nvme/types.h
+++ b/src/nvme/types.h
@@ -53,6 +53,8 @@
  * @NVME_LOG_LSI_NONE:		Use to omit a log lsi command parameter
  * @NVME_LOG_LPO_NONE:		Use to omit a log lpo command parameter
  * @NVME_IDENTIFY_DATA_SIZE:	The transfer size for nvme identify commands
+ * @NVME_LOG_SUPPORTED_LOG_PAGES_MAX: The lagest possible index in the supported
+ *				log pages log.
  * @NVME_ID_NVMSET_LIST_MAX:	The largest possible nvmset index in identify
  * 				nvmeset
  * @NVME_ID_UUID_LIST_MAX:	The largest possible uuid index in identify
@@ -89,6 +91,7 @@ enum nvme_constants {
 	NVME_LOG_LSI_NONE			= 0,
 	NVME_LOG_LPO_NONE			= 0,
 	NVME_IDENTIFY_DATA_SIZE			= 4096,
+	NVME_LOG_SUPPORTED_LOG_PAGES_MAX	= 256,
 	NVME_ID_NVMSET_LIST_MAX			= 31,
 	NVME_ID_UUID_LIST_MAX			= 127,
 	NVME_ID_CTRL_LIST_MAX			= 2047,
@@ -2201,6 +2204,16 @@ struct nvme_id_domain_list {
 	struct nvme_id_domain_attr domain_attr[NVME_ID_DOMAIN_LIST_MAX];
 };
 
+/**
+ * struct nvme_supported_log_pages -
+ * @lid_support:
+ *
+ * Supported Log Pages (Log Identifier 00h)
+ */
+struct nvme_supported_log_pages {
+	__le32	lid_support[NVME_LOG_SUPPORTED_LOG_PAGES_MAX];
+};
+
 /**
  * struct nvme_error_log_page - Error Information Log Entry (Log Identifier 01h)
  * @error_count:	 Error Count: a 64-bit incrementing error count,
@@ -5069,6 +5082,7 @@ enum nvme_identify_cns {
 
 /**
  * enum nvme_cmd_get_log_lid -
+ * @NVME_LOG_LID_SUPPORTED_LOG_PAGES:
  * @NVME_LOG_LID_ERROR:
  * @NVME_LOG_LID_SMART:
  * @NVME_LOG_LID_FW_SLOT:
@@ -5092,6 +5106,7 @@ enum nvme_identify_cns {
  * @NVME_LOG_LID_ZNS_CHANGED_ZONES:
  */
 enum nvme_cmd_get_log_lid {
+	NVME_LOG_LID_SUPPORTED_LOG_PAGES			= 0x00,
 	NVME_LOG_LID_ERROR					= 0x01,
 	NVME_LOG_LID_SMART					= 0x02,
 	NVME_LOG_LID_FW_SLOT					= 0x03,