From patchwork Mon Sep 9 11:34:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Changqi Lu X-Patchwork-Id: 13796692 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 A0310ECE57A for ; Mon, 9 Sep 2024 11:37:43 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sncgU-0003C0-7L; Mon, 09 Sep 2024 07:35:54 -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 1sncgD-0002b0-Ba for qemu-devel@nongnu.org; Mon, 09 Sep 2024 07:35:38 -0400 Received: from mail-pg1-x52a.google.com ([2607:f8b0:4864:20::52a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sncgB-00015i-0A for qemu-devel@nongnu.org; Mon, 09 Sep 2024 07:35:36 -0400 Received: by mail-pg1-x52a.google.com with SMTP id 41be03b00d2f7-7c3ebba7fbbso3449389a12.1 for ; Mon, 09 Sep 2024 04:35:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1725881733; x=1726486533; 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=NyAORswEs2Gc/dWRwwqHz5FVNh7045UD8oIkElw14nPXyta+cnmyh2eFkfGdAhem1o lXb/xhnqeefAsOZFZbS5q7eF78duVHy65DZibgOL/gVpg8DwKQeVpmutmF96bAGX6KPu jhPSCJpp1G+ykL0igtXhyFiGje0LkD0al0g1Slxy03Gc1OrjO1xCXFbZeAMDt6COna6r oD3jG/SinIQrQ90pAkijTDLyZ0oShjhdDk/Y5nnIx7Zq5zxqsyH9XobEQHW/ztOTONbW A3TKZGJw8V52RmOz18XoEuxgh+gIoWh7ZNSboN3b86RXliPutnX1w1hjC7VSMJZUYHWg PQzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725881733; x=1726486533; 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=AGXDbQ23SgB2KQJEQb0u5edpsV8w8rRLouzcIsFmqJfPWWnDBarx4fQ1Vkb7fFK0yh VlKWpgfAZr2TrDESaByQrBsWg84gAKj/eXihXvGgX85iEt4REkmIG6M4hgCINqh9HEAF erXj8LchFWSMjLAgu3G2T+AcuFB7BzNgRSUxouWJxY191SIRJ89wH8YrDiM8mGFnXdUT 3P13OLwhYsEqV0wzAJIMd63e/1EOOwJY9PoWxaPLtWfHcF7smH82iiWo24nyUaDoOMCf 48qKcSZqs8GDlT00/N1a6W7Z5/xF+5ZuKmRMACI963HxI+c7AZPaeirmmHByWzmwUN1a hUIg== X-Forwarded-Encrypted: i=1; AJvYcCXIcFV5Y2D4gnUF+2MtToQ9LQUTuFMXtcmzIhAK5F6Tpz2mPfsQpQ0hz9rySeASAEmpXqQ7ihBrsmDm@nongnu.org X-Gm-Message-State: AOJu0Yxdv5HPqZw9H0tclBYIzQRhQbSDV2P2DaDFre0Pm47hFUiPfz5k yU7fhZvyOavrQvkjq/bETiXsv7Dl0lksvK94GbZLeW08wiBbTMY8Ue189EnKQuU= X-Google-Smtp-Source: AGHT+IGqOaysFR2orXmvrfm250SoO3kpFkniXmpmep4IlngfiVZnFuphCEwJIRnrgsWzf+CUt8f4YQ== X-Received: by 2002:a17:902:e805:b0:206:c798:3cd8 with SMTP id d9443c01a7336-206f0624258mr143469815ad.54.1725881733099; Mon, 09 Sep 2024 04:35:33 -0700 (PDT) Received: from TF4D9JK212.bytedance.net ([61.213.176.5]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20710e328aasm32378605ad.91.2024.09.09.04.35.28 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 09 Sep 2024 04:35:32 -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 v11 06/10] block/nvme: add reservation command protocol constants Date: Mon, 9 Sep 2024 19:34:49 +0800 Message-Id: <20240909113453.64527-7-luchangqi.123@bytedance.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) In-Reply-To: <20240909113453.64527-1-luchangqi.123@bytedance.com> References: <20240909113453.64527-1-luchangqi.123@bytedance.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::52a; envelope-from=luchangqi.123@bytedance.com; helo=mail-pg1-x52a.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;