From patchwork Tue Jul 9 02:47:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Changqi Lu X-Patchwork-Id: 13727199 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1A6F1C3DA47 for ; Tue, 9 Jul 2024 02:49:18 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sR0tr-0007j5-35; Mon, 08 Jul 2024 22:48:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sR0te-00071m-9g for qemu-devel@nongnu.org; Mon, 08 Jul 2024 22:48:06 -0400 Received: from mail-pf1-x42a.google.com ([2607:f8b0:4864:20::42a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sR0tc-00040j-Hp for qemu-devel@nongnu.org; Mon, 08 Jul 2024 22:48:02 -0400 Received: by mail-pf1-x42a.google.com with SMTP id d2e1a72fcca58-70b09cb7776so2421959b3a.1 for ; Mon, 08 Jul 2024 19:47:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1720493278; x=1721098078; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=LNfE2FvcIsikcgtI6Krtxtj2etktds/RmL9xP+AY0Zg=; b=alu7z1pDFtT3YWJhvebf/e+AUXYMcz/Wdp2ZyU/UdoHKoCAhwrdT+llQviyVEdKoIr pDb5lDn8/dgBSbizZJgzbWcQdZgFoDDmukD3CrL0wpvgckxTRbLEaOCmCRw4iCob54qh FMAwtU7DTHmwfsgO+s4OK2Dcmt9bOXWJ1daYA958AcbqCQY1rei7t2mFuksivoo9+jb8 9RJnS0u+jJKlCx1gVvdDiCS8I4ERID9cqKLBBIJxTl9O2gTC1CnSI2LbMhgJALSvtsPj 9Uf8BGoJimdyUhQL4DsaxB5NeuwYP9PNT8VTcMMOpRt+CmS/B6da/410VD1qvUIuAgXa +4wA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720493278; x=1721098078; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=LNfE2FvcIsikcgtI6Krtxtj2etktds/RmL9xP+AY0Zg=; b=YQCq8Iya82elHoQNH9XlsfT/up43RHVqsIuOLym92yx8Wl334bEgfnIgO30okFdSQD GhP2NrNHCHc8w8Q2Reu35ErIEz/ioGHNxv/GB5BUTnrlBrzf19rin5vGvOH6JWMqQu5/ VnYlTI1xjFEH8DhJqBxM+GHHq//CQUKsFwZw7FPAQ4T3HPf2yK+BNo4/LMcEShjNZGU4 f2ibihkpJT11xa0d8EhhHkzgElJwALKGOAsTkzepNiH6wbEMRLQCL5YpqTSLXAC0ZHFA daHV5z9Qqwmn0l83+16MBsqWNB9W4FnYJrQEuvvFC5WQzRL6nOA+22sgU1PBQWZ+DHTQ KzmA== X-Forwarded-Encrypted: i=1; AJvYcCUlupSRo68NIkqYKj96IYhv8JYnwPcacvZErPn1Q1YgYeYKl8YASMDEyTypFDbmy5qXzUpg4RKbyxdkxlXYcB/DUWxFbxM= X-Gm-Message-State: AOJu0Ywt5tCfpLtj7muiFQPQvSsUotma/qPC1wVAZn2ltTbCX4znSFBC RmBKqyyoF45NClVFV6jLRmPxiKYf4gxYOBlFpYWMN+VjhZpqpa57Hdy5tV+1A0E= X-Google-Smtp-Source: AGHT+IHO3nCz6uW/4QOBKdyAXahz/tcloJqrja0IDFyg68VePKeV0WHTO3HyOt7ZIpuJs0oy8hjSKg== X-Received: by 2002:a05:6a20:7485:b0:1c2:97cd:94d8 with SMTP id adf61e73a8af0-1c298223d92mr1254415637.20.1720493278547; Mon, 08 Jul 2024 19:47:58 -0700 (PDT) Received: from TF4D9JK212.bytedance.net ([61.213.176.9]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2c99a97e8a5sm8964661a91.27.2024.07.08.19.47.54 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 08 Jul 2024 19:47:58 -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, Changqi Lu Subject: [PATCH v8 06/10] block/nvme: add reservation command protocol constants Date: Tue, 9 Jul 2024 10:47:02 +0800 Message-Id: <20240709024706.4108-7-luchangqi.123@bytedance.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) In-Reply-To: <20240709024706.4108-1-luchangqi.123@bytedance.com> References: <20240709024706.4108-1-luchangqi.123@bytedance.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42a; envelope-from=luchangqi.123@bytedance.com; helo=mail-pf1-x42a.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add constants for the NVMe persistent command protocol. The constants include the reservation command opcode and reservation type values defined in section 7 of the NVMe 2.0 specification. Reviewed-by: Stefan Hajnoczi Signed-off-by: Changqi Lu Signed-off-by: zhenwei pi --- include/block/nvme.h | 61 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/include/block/nvme.h b/include/block/nvme.h index bb231d0b9a..8b125f7769 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -633,7 +633,11 @@ enum NvmeIoCommands { NVME_CMD_WRITE_ZEROES = 0x08, NVME_CMD_DSM = 0x09, NVME_CMD_VERIFY = 0x0c, + NVME_CMD_RESV_REGISTER = 0x0d, + NVME_CMD_RESV_REPORT = 0x0e, + NVME_CMD_RESV_ACQUIRE = 0x11, NVME_CMD_IO_MGMT_RECV = 0x12, + NVME_CMD_RESV_RELEASE = 0x15, NVME_CMD_COPY = 0x19, NVME_CMD_IO_MGMT_SEND = 0x1d, NVME_CMD_ZONE_MGMT_SEND = 0x79, @@ -641,6 +645,63 @@ enum NvmeIoCommands { NVME_CMD_ZONE_APPEND = 0x7d, }; +typedef enum { + NVME_RESV_REGISTER_ACTION_REGISTER = 0x00, + NVME_RESV_REGISTER_ACTION_UNREGISTER = 0x01, + NVME_RESV_REGISTER_ACTION_REPLACE = 0x02, +} NvmeReservationRegisterAction; + +typedef enum { + NVME_RESV_RELEASE_ACTION_RELEASE = 0x00, + NVME_RESV_RELEASE_ACTION_CLEAR = 0x01, +} NvmeReservationReleaseAction; + +typedef enum { + NVME_RESV_ACQUIRE_ACTION_ACQUIRE = 0x00, + NVME_RESV_ACQUIRE_ACTION_PREEMPT = 0x01, + NVME_RESV_ACQUIRE_ACTION_PREEMPT_AND_ABORT = 0x02, +} NvmeReservationAcquireAction; + +typedef enum { + NVME_RESV_WRITE_EXCLUSIVE = 0x01, + NVME_RESV_EXCLUSIVE_ACCESS = 0x02, + NVME_RESV_WRITE_EXCLUSIVE_REGS_ONLY = 0x03, + NVME_RESV_EXCLUSIVE_ACCESS_REGS_ONLY = 0x04, + NVME_RESV_WRITE_EXCLUSIVE_ALL_REGS = 0x05, + NVME_RESV_EXCLUSIVE_ACCESS_ALL_REGS = 0x06, +} NvmeResvType; + +typedef enum { + NVME_RESV_PTPL_NO_CHANGE = 0x00, + NVME_RESV_PTPL_DISABLE = 0x02, + NVME_RESV_PTPL_ENABLE = 0x03, +} NvmeResvPTPL; + +typedef enum NVMEPrCap { + /* Persist Through Power Loss */ + NVME_PR_CAP_PTPL = 1 << 0, + /* Write Exclusive reservation type */ + NVME_PR_CAP_WR_EX = 1 << 1, + /* Exclusive Access reservation type */ + NVME_PR_CAP_EX_AC = 1 << 2, + /* Write Exclusive Registrants Only reservation type */ + NVME_PR_CAP_WR_EX_RO = 1 << 3, + /* Exclusive Access Registrants Only reservation type */ + NVME_PR_CAP_EX_AC_RO = 1 << 4, + /* Write Exclusive All Registrants reservation type */ + NVME_PR_CAP_WR_EX_AR = 1 << 5, + /* Exclusive Access All Registrants reservation type */ + NVME_PR_CAP_EX_AC_AR = 1 << 6, + + NVME_PR_CAP_ALL = (NVME_PR_CAP_PTPL | + NVME_PR_CAP_WR_EX | + NVME_PR_CAP_EX_AC | + NVME_PR_CAP_WR_EX_RO | + NVME_PR_CAP_EX_AC_RO | + NVME_PR_CAP_WR_EX_AR | + NVME_PR_CAP_EX_AC_AR), +} NvmePrCap; + typedef struct QEMU_PACKED NvmeDeleteQ { uint8_t opcode; uint8_t flags;