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block/block-common: add zoned device structs 

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: 20230508045533.175575-2-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>
This commit is contained in:
Sam Li 2023-05-08 12:55:26 +08:00 committed by Stefan Hajnoczi
parent 8844bb8d89
commit 72ca800ec5
1 changed files with 43 additions and 0 deletions
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43
include/block/block-common.h
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@ -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;