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Tsirkin" , kvm@vger.kernel.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Sam Li , Damien Le Moal , Hannes Reinecke , Dmitry Fomichev Subject: [PULL 01/17] block/block-common: add zoned device structs Date: Fri, 28 Apr 2023 08:39:38 -0400 Message-Id: <20230428123954.179035-2-stefanha@redhat.com> In-Reply-To: <20230428123954.179035-1-stefanha@redhat.com> References: <20230428123954.179035-1-stefanha@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.171, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1682685667216100005 From: Sam Li Signed-off-by: Sam Li Reviewed-by: Stefan Hajnoczi Reviewed-by: Damien Le Moal Reviewed-by: Hannes Reinecke Reviewed-by: Dmitry Fomichev Acked-by: Kevin Wolf Signed-off-by: Stefan Hajnoczi 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-Daud=C3=A9 . --Stefan] Signed-off-by: Stefan Hajnoczi --- 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; =20 +typedef enum BlockZoneOp { + BLK_ZO_OPEN, + BLK_ZO_CLOSE, + BLK_ZO_FINISH, + BLK_ZO_RESET, +} BlockZoneOp; + +typedef enum BlockZoneModel { + BLK_Z_NONE =3D 0x0, /* Regular block device */ + BLK_Z_HM =3D 0x1, /* Host-managed zoned block device */ + BLK_Z_HA =3D 0x2, /* Host-aware zoned block device */ +} BlockZoneModel; + +typedef enum BlockZoneState { + BLK_ZS_NOT_WP =3D 0x0, + BLK_ZS_EMPTY =3D 0x1, + BLK_ZS_IOPEN =3D 0x2, + BLK_ZS_EOPEN =3D 0x3, + BLK_ZS_CLOSED =3D 0x4, + BLK_ZS_RDONLY =3D 0xD, + BLK_ZS_FULL =3D 0xE, + BLK_ZS_OFFLINE =3D 0xF, +} BlockZoneState; + +typedef enum BlockZoneType { + BLK_ZT_CONV =3D 0x1, /* Conventional random writes supported */ + BLK_ZT_SWR =3D 0x2, /* Sequential writes required */ + BLK_ZT_SWP =3D 0x3, /* Sequential writes preferred */ +} BlockZoneType; + +/* + * Zone descriptor data structure. + * Provides information on a zone with all position and size values in byt= es. + */ +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; --=20 2.40.0