feat(apis): add block size and drive type fields

add logical/physical block size, hardware sector size and drive type
fields into the blockdevice spec.details

Signed-off-by: Akhil Mohan <akhil.mohan@mayadata.io>

pkg/apis/openebs/v1alpha1/blockdevice_types.go

@@ -123,9 +123,24 @@ type DeviceCapacity struct {
 
 // DeviceDetails represent certain hardware/static attributes of the block device
 type DeviceDetails struct {
-	// DeviceType represents the type of drive like SSD, HDD etc.,
+	// DeviceType represents the type of device like
+	// sparse, disk, partition, lvm, raid
 	DeviceType string `json:"deviceType"`
 
+	// DriveType is the type of backing drive, HDD/SSD
+	DriveType string `json:"driveType"`
+
+	// LogicalBlockSize is the logical block size in bytes
+	// reported by /sys/class/block/sda/queue/logical_block_size
+	LogicalBlockSize uint32 `json:"logicalBlockSize"`
+
+	// PhysicalBlockSize is the physical block size in bytes
+	// reported by /sys/class/block/sda/queue/physical_block_size
+	PhysicalBlockSize uint32 `json:"physicalBlockSize"`
+
+	// HardwareSectorSize is the hardware sector size in bytes
+	HardwareSectorSize uint32 `json:"hardwareSectorSize"`
+
 	// Model is model of disk
 	Model string `json:"model"`