ioctl: add nvme_get_log_rotational_media_info()

Since added the NVMe 2.1 log page.

Signed-off-by: Tokunori Ikegami <[email protected]>

src/nvme/ioctl.h

@@ -1839,7 +1839,7 @@ static inline int nvme_get_log_reclaim_unit_handle_usage(int fd, __u16 egid,
  * @egid:	Endurance group identifier
  * @offset:	Offset into log page
  * @len:	Length (in bytes) of provided user buffer to hold the log data
- * @log:	Log page data buffer
+ * @log:	User address to store the log page
  */
 static inline int nvme_get_log_fdp_stats(int fd, __u16 egid, __u32 offset, __u32 len, void *log)
 {
@@ -2111,6 +2111,24 @@ static inline int nvme_get_log_boot_partition(int fd, bool rae,
 	return nvme_get_log_page(fd, NVME_LOG_PAGE_PDU_SIZE, &args);
 }
 
+/**
+ * nvme_get_log_rotational_media_info() - Retrieve Rotational Media Information Log
+ * @fd:		File descriptor of nvme device
+ * @endgid:	Endurance Group Identifier
+ * @offset:	Offset into log page
+ * @len:	The allocated size, minimum
+ *		struct nvme_phy_rx_eom_log
+ * @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_rotational_media_info(int fd, __u16 endgid, __u32 offset, __u32 len,
+						     struct nvme_rotational_media_info_log *log)
+{
+	return nvme_get_endgid_log(fd, false, NVME_LOG_LID_ROTATIONAL_MEDIA_INFO, endgid, len, log);
+}
+
 /**
  * nvme_get_log_phy_rx_eom() - Retrieve Physical Interface Receiver Eye Opening Measurement Log
  * @fd:		File descriptor of nvme device

src/nvme/types.h

@@ -4765,6 +4765,30 @@ enum nvme_boot_partition_info {
 #define NVME_BOOT_PARTITION_INFO_BPSZ(bpinfo)	NVME_GET(bpinfo, BOOT_PARTITION_INFO_BPSZ)
 #define NVME_BOOT_PARTITION_INFO_ABPID(bpinfo)	NVME_GET(bpinfo, BOOT_PARTITION_INFO_ABPID)
 
+/**
+ * struct nvme_rotational_media_info_log - Rotational Media Information Log
+ * @endgid:	Endurance Group Identifier
+ * @numa:	Number of Actuators
+ * @nrs:	Nominal Rotational Speed
+ * @rsvd6:	Reserved
+ * @spinc:	Spinup Count
+ * @fspinc:	Failed Spinup Count
+ * @ldc:	Load Count
+ * @fldc:	Failed Load Count
+ * @rsvd24:	Reserved
+ */
+struct nvme_rotational_media_info_log {
+	__le16	endgid;
+	__le16	numa;
+	__le16	nrs;
+	__u8	rsvd6[2];
+	__le32	spinc;
+	__le32	fspinc;
+	__le32	ldc;
+	__le32	fldc;
+	__u8	rsvd24[488];
+};
+
 /**
  * struct nvme_eom_lane_desc - EOM Lane Descriptor
  * @rsvd0:	Reserved