Merge pull request #199 from Arunpandian15/Supported_Cap_Config_List_Log_Page

nvme: Add Supported Capacity Configuration List log page(LID: 0x11)

Author: dwsuse

src/nvme/ioctl.h

@@ -1803,6 +1803,38 @@ static inline int nvme_get_log_media_unit_stat(int fd, __u16 domid,
 	return nvme_get_log(&args);
 }
 
+/**
+ * nvme_get_log_support_cap_config_list() -
+ * @fd:		File descriptor of nvme device
+ * @domid:	Domain Identifier selection, if supported
+ *
+ * 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_support_cap_config_list(int fd, __u16 domid,
+			struct nvme_supported_cap_config_list_log *cap)
+{
+	struct nvme_get_log_args args = {
+		.lpo = 0,
+		.result = NULL,
+		.log = cap,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_SUPPORTED_CAP_CONFIG_LIST,
+		.len = sizeof(*cap),
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = NVME_LOG_LSI_NONE,
+		.domid = domid,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = false,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
 /**
  * nvme_get_log_reservation() -
  * @fd:		File descriptor of nvme device

src/nvme/types.h

@@ -3549,6 +3549,101 @@ struct nvme_media_unit_stat_log {
 	struct nvme_media_unit_stat_desc mus_desc[];
 };
 
+/**
+ * struct nvme_media_unit_config_desc -
+ * @muid: Media Unit Identifier
+ * @mudl: Media Unit Descriptor Length
+ *
+ * Media Unit Configuration Descriptor
+ * Structure Definitions
+ */
+struct nvme_media_unit_config_desc {
+	__le16	muid;
+	__u8	rsvd2[4];
+	__le16	mudl;
+};
+
+/**
+ * struct nvme_channel_config_desc -
+ * @chanid:	Channel Identifier
+ * @chmus:	Number Channel Media Units
+ *
+ * Channel Configuration Descriptor
+ * Structure Definitions
+ */
+struct nvme_channel_config_desc {
+	__le16	chanid;
+	__le16	chmus;
+	struct nvme_media_unit_config_desc mu_config_desc[];
+};
+
+/**
+ * struct nvme_channel_config_desc -
+ * @egchans:	Number of Channels
+ *
+ * Endurance group Channel Configuration Descriptor
+ * Structure Definitions
+ */
+struct nvme_end_grp_chan_desc {
+	__le16	egchans;
+	struct nvme_channel_config_desc chan_config_desc[];
+};
+
+/**
+ * struct nvme_end_grp_config_desc -
+ * @endgid:		Endurance Group Identifier
+ * @cap_adj_factor:	Capacity Adjustment Factor
+ * @tegcap:		Total Endurance Group Capacity
+ * @segcap:		Spare Endurance Group Capacity
+ * @end_est:		Endurance Estimate
+ * @egsets:		Number of NVM Sets
+ * @nvmsetid:		NVM Set Identifier
+ *
+ * Endurance Group Configuration Descriptor
+ * Structure Definitions
+ */
+struct nvme_end_grp_config_desc {
+	__le16	endgid;
+	__le16	cap_adj_factor;
+	__u8	rsvd4[12];
+	__u8	tegcap[16];
+	__u8	segcap[16];
+	__u8	end_est[16];
+	__u8	rsvd64[16];
+	__le16	egsets;
+	__le16	nvmsetid[];
+};
+
+/**
+ * struct nvme_cap_config_desc -
+ * @cap_config_id:	Capacity Configuration Identifier
+ * @domainid:		Domain Identifier
+ * @egcn:		Number Endurance Group Configuration
+ *			Descriptors
+ *
+ * Capacity Configuration structure definitions
+ */
+struct nvme_capacity_config_desc {
+	__le16	cap_config_id;
+	__le16	domainid;
+	__le16	egcn;
+	__u8	rsvd6[26];
+	struct nvme_end_grp_config_desc egcd[];
+};
+
+/**
+ * struct nvme_supported_cap_config_list_log -
+ * @sccn: number of capacity configuration
+ *
+ * Supported Capacity Configuration list log page
+ * structure definitions
+ */
+struct nvme_supported_cap_config_list_log {
+	__u8	sccn;
+	__u8	rsvd1[15];
+	struct nvme_capacity_config_desc cap_config_desc[];
+};
+
 /**
  * struct nvme_resv_notification_log -
  * @lpc:
@@ -5724,6 +5819,7 @@ enum nvme_identify_cns {
  * @NVME_LOG_LID_LBA_STATUS:
  * @NVME_LOG_LID_ENDURANCE_GRP_EVT:
  * @NVME_LOG_LID_MEDIA_UNIT_STATUS:
+ * @NVME_LOG_LID_SUPPORTED_CAP_CONFIG_LIST:
  * @NVME_LOG_LID_FID_SUPPORTED_EFFECTS:
  * @NVME_LOG_LID_BOOT_PARTITION:
  * @NVME_LOG_LID_DISCOVER:
@@ -5749,6 +5845,7 @@ enum nvme_cmd_get_log_lid {
 	NVME_LOG_LID_LBA_STATUS					= 0x0e,
 	NVME_LOG_LID_ENDURANCE_GRP_EVT				= 0x0f,
 	NVME_LOG_LID_MEDIA_UNIT_STATUS				= 0x10,
+	NVME_LOG_LID_SUPPORTED_CAP_CONFIG_LIST			= 0x11,
 	NVME_LOG_LID_FID_SUPPORTED_EFFECTS			= 0x12,
 	NVME_LOG_LID_BOOT_PARTITION				= 0x15,
 	NVME_LOG_LID_DISCOVER					= 0x70,