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[PULL 01/17] block/block-common: add zoned device structs
From: |
Stefan Hajnoczi |
Subject: |
[PULL 01/17] block/block-common: add zoned device structs |
Date: |
Fri, 28 Apr 2023 08:39:38 -0400 |
From: Sam Li <faithilikerun@gmail.com>
Signed-off-by: Sam Li <faithilikerun@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20230427172019.3345-2-faithilikerun@gmail.com
Message-id: 20230324090605.28361-2-faithilikerun@gmail.com
[Adjust commit message prefix as suggested by Philippe Mathieu-Daudé
<philmd@linaro.org>.
--Stefan]
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
include/block/block-common.h | 43 ++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/include/block/block-common.h b/include/block/block-common.h
index b5122ef8ab..1576fcf2ed 100644
--- a/include/block/block-common.h
+++ b/include/block/block-common.h
@@ -75,6 +75,49 @@ typedef struct BlockDriver BlockDriver;
typedef struct BdrvChild BdrvChild;
typedef struct BdrvChildClass BdrvChildClass;
+typedef enum BlockZoneOp {
+ BLK_ZO_OPEN,
+ BLK_ZO_CLOSE,
+ BLK_ZO_FINISH,
+ BLK_ZO_RESET,
+} BlockZoneOp;
+
+typedef enum BlockZoneModel {
+ BLK_Z_NONE = 0x0, /* Regular block device */
+ BLK_Z_HM = 0x1, /* Host-managed zoned block device */
+ BLK_Z_HA = 0x2, /* Host-aware zoned block device */
+} BlockZoneModel;
+
+typedef enum BlockZoneState {
+ BLK_ZS_NOT_WP = 0x0,
+ BLK_ZS_EMPTY = 0x1,
+ BLK_ZS_IOPEN = 0x2,
+ BLK_ZS_EOPEN = 0x3,
+ BLK_ZS_CLOSED = 0x4,
+ BLK_ZS_RDONLY = 0xD,
+ BLK_ZS_FULL = 0xE,
+ BLK_ZS_OFFLINE = 0xF,
+} BlockZoneState;
+
+typedef enum BlockZoneType {
+ BLK_ZT_CONV = 0x1, /* Conventional random writes supported */
+ BLK_ZT_SWR = 0x2, /* Sequential writes required */
+ BLK_ZT_SWP = 0x3, /* Sequential writes preferred */
+} BlockZoneType;
+
+/*
+ * Zone descriptor data structure.
+ * Provides information on a zone with all position and size values in bytes.
+ */
+typedef struct BlockZoneDescriptor {
+ uint64_t start;
+ uint64_t length;
+ uint64_t cap;
+ uint64_t wp;
+ BlockZoneType type;
+ BlockZoneState state;
+} BlockZoneDescriptor;
+
typedef struct BlockDriverInfo {
/* in bytes, 0 if irrelevant */
int cluster_size;
--
2.40.0
- [PULL 00/17] Block patches, Stefan Hajnoczi, 2023/04/28
- [PULL 01/17] block/block-common: add zoned device structs,
Stefan Hajnoczi <=
- [PULL 03/17] block/block-backend: add block layer APIs resembling Linux ZonedBlockDevice ioctls, Stefan Hajnoczi, 2023/04/28
- [PULL 05/17] block: add zoned BlockDriver check to block layer, Stefan Hajnoczi, 2023/04/28
- [PULL 04/17] block/raw-format: add zone operations to pass through requests, Stefan Hajnoczi, 2023/04/28
- [PULL 02/17] block/file-posix: introduce helper functions for sysfs attributes, Stefan Hajnoczi, 2023/04/28
- [PULL 07/17] block: add some trace events for new block layer APIs, Stefan Hajnoczi, 2023/04/28
- [PULL 06/17] iotests: test new zone operations, Stefan Hajnoczi, 2023/04/28
- [PULL 12/17] block: add some trace events for zone append, Stefan Hajnoczi, 2023/04/28
- [PULL 11/17] qemu-iotests: test zone append operation, Stefan Hajnoczi, 2023/04/28
- [PULL 09/17] file-posix: add tracking of the zone write pointers, Stefan Hajnoczi, 2023/04/28
- [PULL 10/17] block: introduce zone append write for zoned devices, Stefan Hajnoczi, 2023/04/28