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([106.84.131.7]) by smtp.gmail.com with ESMTPSA id v10-20020a1709028d8a00b0016bfbd99f64sm8069813plo.118.2022.07.31.18.32.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 31 Jul 2022 18:32:14 -0700 (PDT) From: Sam Li To: qemu-devel@nongnu.org Cc: damien.lemoal@opensource.wdc.com, dmitry.fomichev@wdc.com, hare@suse.de, stefanha@redhat.com, mst@redhat.com, armbru@redhat.com, qemu-block@nongnu.org, fam@euphon.net, kwolf@redhat.com, hreitz@redhat.com, eblake@redhat.com, Sam Li Subject: [RFC v5 02/11] include: import virtio_blk headers from linux with zoned storage support Date: Mon, 1 Aug 2022 09:32:05 +0800 Message-Id: <20220801013205.10371-1-faithilikerun@gmail.com> X-Mailer: git-send-email 2.37.1 MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::536; envelope-from=faithilikerun@gmail.com; helo=mail-pg1-x536.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Add file from Dmitry's "virtio-blk:add support for zoned block devices" linux patch using scripts/update-linux-headers.sh. There is a link for more information: https://github.com/dmitry-fomichev/virtblk-zbd Signed-off-by: Sam Li --- include/standard-headers/linux/virtio_blk.h | 118 ++++++++++++++++++++ 1 file changed, 118 insertions(+) diff --git a/include/standard-headers/linux/virtio_blk.h b/include/standard-headers/linux/virtio_blk.h index 2dcc90826a..5c6856aec3 100644 --- a/include/standard-headers/linux/virtio_blk.h +++ b/include/standard-headers/linux/virtio_blk.h @@ -40,6 +40,7 @@ #define VIRTIO_BLK_F_MQ 12 /* support more than one vq */ #define VIRTIO_BLK_F_DISCARD 13 /* DISCARD is supported */ #define VIRTIO_BLK_F_WRITE_ZEROES 14 /* WRITE ZEROES is supported */ +#define VIRTIO_BLK_F_ZONED 17 /* Zoned block device */ /* Legacy feature bits */ #ifndef VIRTIO_BLK_NO_LEGACY @@ -119,6 +120,20 @@ struct virtio_blk_config { uint8_t write_zeroes_may_unmap; uint8_t unused1[3]; + + /* Secure erase fields that are defined in the virtio spec */ + uint8_t sec_erase[12]; + + /* Zoned block device characteristics (if VIRTIO_BLK_F_ZONED) */ + struct virtio_blk_zoned_characteristics { + __virtio32 zone_sectors; + __virtio32 max_open_zones; + __virtio32 max_active_zones; + __virtio32 max_append_sectors; + __virtio32 write_granularity; + uint8_t model; + uint8_t unused2[3]; + } zoned; } QEMU_PACKED; /* @@ -153,6 +168,24 @@ struct virtio_blk_config { /* Write zeroes command */ #define VIRTIO_BLK_T_WRITE_ZEROES 13 +/* Zone append command */ +#define VIRTIO_BLK_T_ZONE_APPEND 15 + +/* Report zones command */ +#define VIRTIO_BLK_T_ZONE_REPORT 16 + +/* Open zone command */ +#define VIRTIO_BLK_T_ZONE_OPEN 18 + +/* Close zone command */ +#define VIRTIO_BLK_T_ZONE_CLOSE 20 + +/* Finish zone command */ +#define VIRTIO_BLK_T_ZONE_FINISH 22 + +/* Reset zone command */ +#define VIRTIO_BLK_T_ZONE_RESET 24 + #ifndef VIRTIO_BLK_NO_LEGACY /* Barrier before this op. */ #define VIRTIO_BLK_T_BARRIER 0x80000000 @@ -172,6 +205,84 @@ struct virtio_blk_outhdr { __virtio64 sector; }; +/* + * Supported zoned device models. + */ + +/* Regular block device */ +#define VIRTIO_BLK_Z_NONE 0 +/* Host-managed zoned device */ +#define VIRTIO_BLK_Z_HM 1 +/* Host-aware zoned device */ +#define VIRTIO_BLK_Z_HA 2 + +/* ZBD Management Out ALL flag */ +#define VIRTIO_BLK_ZONED_FLAG_ALL (1 << 0) + +/* + * Header for VIRTIO_BLK_T_ZONE_OPEN, VIRTIO_BLK_T_ZONE_CLOSE, + * VIRTIO_BLK_T_ZONE_RESET, VIRTIO_BLK_T_ZONE_FINISH requests. + */ +struct virtio_blk_zone_mgmt_outhdr { + /* Zoned request flags */ + __virtio32 flags; +}; + +/* + * Zone descriptor. A part of VIRTIO_BLK_T_ZONE_REPORT command reply. + */ +struct virtio_blk_zone_descriptor { + /* Zone capacity */ + __virtio64 z_cap; + /* The starting sector of the zone */ + __virtio64 z_start; + /* Zone write pointer position in sectors */ + __virtio64 z_wp; + /* Zone type */ + uint8_t z_type; + /* Zone state */ + uint8_t z_state; + uint8_t reserved[38]; +}; + +struct virtio_blk_zone_report { + __virtio64 nr_zones; + uint8_t reserved[56]; + struct virtio_blk_zone_descriptor zones[]; +}; + +/* + * Supported zone types. + */ + +/* Conventional zone */ +#define VIRTIO_BLK_ZT_CONV 1 +/* Sequential Write Required zone */ +#define VIRTIO_BLK_ZT_SWR 2 +/* Sequential Write Preferred zone */ +#define VIRTIO_BLK_ZT_SWP 3 + +/* + * Zone states that are available for zones of all types. + */ + +/* Not a write pointer (conventional zones only) */ +#define VIRTIO_BLK_ZS_NOT_WP 0 +/* Empty */ +#define VIRTIO_BLK_ZS_EMPTY 1 +/* Implicitly Open */ +#define VIRTIO_BLK_ZS_IOPEN 2 +/* Explicitly Open */ +#define VIRTIO_BLK_ZS_EOPEN 3 +/* Closed */ +#define VIRTIO_BLK_ZS_CLOSED 4 +/* Read-Only */ +#define VIRTIO_BLK_ZS_RDONLY 13 +/* Full */ +#define VIRTIO_BLK_ZS_FULL 14 +/* Offline */ +#define VIRTIO_BLK_ZS_OFFLINE 15 + /* Unmap this range (only valid for write zeroes command) */ #define VIRTIO_BLK_WRITE_ZEROES_FLAG_UNMAP 0x00000001 @@ -198,4 +309,11 @@ struct virtio_scsi_inhdr { #define VIRTIO_BLK_S_OK 0 #define VIRTIO_BLK_S_IOERR 1 #define VIRTIO_BLK_S_UNSUPP 2 + +/* Error codes that are specific to zoned block devices */ +#define VIRTIO_BLK_S_ZONE_INVALID_CMD 3 +#define VIRTIO_BLK_S_ZONE_UNALIGNED_WP 4 +#define VIRTIO_BLK_S_ZONE_OPEN_RESOURCE 5 +#define VIRTIO_BLK_S_ZONE_ACTIVE_RESOURCE 6 + #endif /* _LINUX_VIRTIO_BLK_H */