ioctl: add nvme_get_log_ave_discover()

Since added the NVMe 2.1 log page.

Signed-off-by: Tokunori Ikegami <ikegami.t@gmail.com>

src/nvme/ioctl.h

@@ -2362,6 +2362,22 @@ static inline int nvme_get_log_host_discover(int fd, bool allhoste, bool rae, __
 	return nvme_get_log_page(fd, NVME_LOG_PAGE_PDU_SIZE, &args);
 }
 
+/**
+ * nvme_get_log_ave_discover() - Retrieve AVE Discovery Log
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @len:	The allocated length of the log page
+ * @log:	User address to store the log page
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise
+ */
+static inline int nvme_get_log_ave_discover(int fd, bool rae, __u32 len,
+					    struct nvme_ave_discover_log *log)
+{
+	return nvme_get_nsid_log(fd, rae, NVME_LOG_LID_AVE_DISCOVER, NVME_NSID_ALL, len, log);
+}
+
 /**
  * nvme_get_log_media_unit_stat() - Retrieve Media Unit Status
  * @fd:		File descriptor of nvme device

src/nvme/types.h

@@ -6957,6 +6957,56 @@ struct nvme_host_discover_log {
 	struct nvme_host_ext_discover_log	hedlpe[];
 };
 
+/**
+ * struct nvme_ave_tr_record - AVE Transport Record
+ * @aveadrfam:	AVE Address Family
+ * @rsvd1:	Reserved
+ * @avetrsvcid:	AVE Transport Service Identifier
+ * @avetraddr:	AVE Transport Address
+ */
+struct nvme_ave_tr_record {
+	__u8	aveadrfam;
+	__u8	rsvd1;
+	__le16	avetrsvcid;
+	__u8	avetraddr[16];
+};
+
+/**
+ * struct nvme_ave_discover_log_entry - AVE Discovery Log Entry
+ * @tel:	Total Entry Length
+ * @avenqn:	AVE NQN
+ * @numatr:	Number of AVE Transport Records
+ * @rsvd229:	Reserved
+ * @atr:	AVE Transport Record List
+ */
+struct nvme_ave_discover_log_entry {
+	__le32				tel;
+	char				avenqn[224];
+	__u8				numatr;
+	__u8				rsvd229[3];
+	struct nvme_ave_tr_record	atr[];
+};
+
+/**
+ * struct nvme_ave_discover_log - AVE Discovery Log
+ * @genctr:	Generation Counter
+ * @numrec:	Number of Records
+ * @recfmt:	Record Format
+ * @rsvd18:	Reserved
+ * @tadlpl:	Total AVE Discovery Log Page Length
+ * @rsvd24:	Reserved
+ * @adlpe:	AVE Discovery Log Page Entry List
+ */
+struct nvme_ave_discover_log {
+	__le64					genctr;
+	__le64					numrec;
+	__le16					recfmt;
+	__u8					rsvd18[2];
+	__le32					tadlpl;
+	__u8					rsvd24[1000];
+	struct nvme_ave_discover_log_entry	adlpe[];
+};
+
 /**
  * struct nvme_mi_read_nvm_ss_info - NVM Subsystem Information Data Structure
  * @nump:	Number of Ports