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Thu, 12 Sep 2024 04:19:44 -0700 (PDT) From: Changqi Lu To: qemu-block@nongnu.org, qemu-devel@nongnu.org Cc: kwolf@redhat.com, hreitz@redhat.com, stefanha@redhat.com, fam@euphon.net, ronniesahlberg@gmail.com, pbonzini@redhat.com, pl@dlhnet.de, kbusch@kernel.org, its@irrelevant.dk, foss@defmacro.it, philmd@linaro.org, pizhenwei@bytedance.com, k.jensen@samsung.com, Changqi Lu Subject: [PATCH v12 03/10] scsi/constant: add persistent reservation in/out protocol constants Date: Thu, 12 Sep 2024 19:19:10 +0800 Message-Id: <20240912111917.81477-4-luchangqi.123@bytedance.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) In-Reply-To: <20240912111917.81477-1-luchangqi.123@bytedance.com> References: <20240912111917.81477-1-luchangqi.123@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2607:f8b0:4864:20::432; envelope-from=luchangqi.123@bytedance.com; helo=mail-pf1-x432.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, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @bytedance.com) X-ZM-MESSAGEID: 1726140032445116600 Content-Type: text/plain; charset="utf-8" Add constants for the persistent reservation in/out protocol in the scsi/constant module. The constants include the persistent reservation command, type, and scope values defined in sections 6.13 and 6.14 of the SCSI Primary Commands-4 (SPC-4) specification. Signed-off-by: Changqi Lu Signed-off-by: zhenwei pi Reviewed-by: Stefan Hajnoczi --- include/scsi/constants.h | 52 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/include/scsi/constants.h b/include/scsi/constants.h index 9b98451912..922a314535 100644 --- a/include/scsi/constants.h +++ b/include/scsi/constants.h @@ -319,4 +319,56 @@ #define IDENT_DESCR_TGT_DESCR_SIZE 32 #define XCOPY_BLK2BLK_SEG_DESC_SIZE 28 =20 +typedef enum { + SCSI_PR_WRITE_EXCLUSIVE =3D 0x01, + SCSI_PR_EXCLUSIVE_ACCESS =3D 0x03, + SCSI_PR_WRITE_EXCLUSIVE_REGS_ONLY =3D 0x05, + SCSI_PR_EXCLUSIVE_ACCESS_REGS_ONLY =3D 0x06, + SCSI_PR_WRITE_EXCLUSIVE_ALL_REGS =3D 0x07, + SCSI_PR_EXCLUSIVE_ACCESS_ALL_REGS =3D 0x08, +} SCSIPrType; + +typedef enum { + SCSI_PR_LU_SCOPE =3D 0x00, +} SCSIPrScope; + +typedef enum { + SCSI_PR_OUT_REGISTER =3D 0x0, + SCSI_PR_OUT_RESERVE =3D 0x1, + SCSI_PR_OUT_RELEASE =3D 0x2, + SCSI_PR_OUT_CLEAR =3D 0x3, + SCSI_PR_OUT_PREEMPT =3D 0x4, + SCSI_PR_OUT_PREEMPT_AND_ABORT =3D 0x5, + SCSI_PR_OUT_REG_AND_IGNORE_KEY =3D 0x6, + SCSI_PR_OUT_REG_AND_MOVE =3D 0x7, +} SCSIPrOutAction; + +typedef enum { + SCSI_PR_IN_READ_KEYS =3D 0x0, + SCSI_PR_IN_READ_RESERVATION =3D 0x1, + SCSI_PR_IN_REPORT_CAPABILITIES =3D 0x2, +} SCSIPrInAction; + +typedef enum { + /* Exclusive Access All Registrants reservation type */ + SCSI_PR_CAP_EX_AC_AR =3D 1 << 0, + /* Write Exclusive reservation type */ + SCSI_PR_CAP_WR_EX =3D 1 << 9, + /* Exclusive Access reservation type */ + SCSI_PR_CAP_EX_AC =3D 1 << 11, + /* Write Exclusive Registrants Only reservation type */ + SCSI_PR_CAP_WR_EX_RO =3D 1 << 13, + /* Exclusive Access Registrants Only reservation type */ + SCSI_PR_CAP_EX_AC_RO =3D 1 << 14, + /* Write Exclusive All Registrants reservation type */ + SCSI_PR_CAP_WR_EX_AR =3D 1 << 15, + + SCSI_PR_CAP_ALL =3D (SCSI_PR_CAP_EX_AC_AR | + SCSI_PR_CAP_WR_EX | + SCSI_PR_CAP_EX_AC | + SCSI_PR_CAP_WR_EX_RO | + SCSI_PR_CAP_EX_AC_RO | + SCSI_PR_CAP_WR_EX_AR), +} SCSIPrCap; + #endif --=20 2.20.1