Changeset d7768d11 in mainline for uspace/srv/bd/hr/var.h

Timestamp:

2024-12-06T19:46:43Z (6 months ago)

Author:

Miroslav Cimerman <mc@…>

Children:

241c3f6

Parents:

586b39d

Message:

hr: add different RAID4,5 layouts

Also prepare the metadata for metada versioning
and sync counter.

File:

• uspace/srv/bd/hr/var.h (modified) (1 diff)

uspace/srv/bd/hr/var.h

@@ -70 +70 @@
         uint64_t nblocks;
         uint64_t data_blkno;
-        uint32_t data_offset; /* in blocks */
+        uint64_t data_offset; /* in blocks */
         uint32_t strip_size;
 
         uint64_t rebuild_blk;
 
+        uint64_t counter; /* metadata syncing */
+
         service_id_t svc_id;
         hr_vol_status_t status;
         hr_level_t level;
+        /*
+         * SNIA
+         * Common RAID Disk Data Format
+         * Specification
+         * Version 2.0 Revision 19
+         */
+#define HR_RLQ_RAID4_0  0x00 /* RAID-4 Non-Rotating Parity 0 */
+#define HR_RLQ_RAID4_N  0x01 /* RAID-4 Non-Rotating Parity N */
+#define HR_RLQ_RAID5_0R 0x00 /* RAID-5 Rotating Parity 0 with Data Restart */
+#define HR_RLQ_RAID5_NR 0x02 /* RAID-5 Rotating Parity N with Data Restart */
+#define HR_RLQ_RAID5_NC 0x03 /* RAID-5 Rotating Parity N with Data Continuation */
+        uint8_t RLQ; /* RAID Level Qualifier */
         char devname[HR_DEVNAME_LEN];
 } hr_volume_t;