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([112.44.202.63]) by smtp.gmail.com with ESMTPSA id s5-20020a170902ea0500b0017829a3df46sm5324233plg.204.2022.09.29.01.36.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Sep 2022 01:36:55 -0700 (PDT) From: Sam Li To: qemu-devel@nongnu.org Cc: damien.lemoal@opensource.wdc.com, Kevin Wolf , hare@suse.de, Hanna Reitz , Markus Armbruster , Fam Zheng , stefanha@redhat.com, Eric Blake , qemu-block@nongnu.org, dmitry.fomichev@wdc.com, Sam Li Subject: [PATCH v10 1/7] include: add zoned device structs Date: Thu, 29 Sep 2022 16:36:25 +0800 Message-Id: <20220929083631.61899-2-faithilikerun@gmail.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220929083631.61899-1-faithilikerun@gmail.com> References: <20220929083631.61899-1-faithilikerun@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::1036; envelope-from=faithilikerun@gmail.com; helo=mail-pj1-x1036.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 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" Signed-off-by: Sam Li Reviewed-by: Stefan Hajnoczi Reviewed-by: Damien Le Moal --- 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 fdb7306e78..36bd0e480e 100644 --- a/include/block/block-common.h +++ b/include/block/block-common.h @@ -49,6 +49,49 @@ 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 BlockZoneCondition { + 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, +} BlockZoneCondition; + +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; + BlockZoneCondition cond; +} BlockZoneDescriptor; + typedef struct BlockDriverInfo { /* in bytes, 0 if irrelevant */ int cluster_size;