From patchwork Thu Jun 6 12:24:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Changqi Lu X-Patchwork-Id: 13688419 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 6C3EEC27C54 for ; Thu, 6 Jun 2024 12:26:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sFCBK-0005ax-N1; Thu, 06 Jun 2024 08:25:26 -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 1sFCBI-0005TG-Ox for qemu-devel@nongnu.org; Thu, 06 Jun 2024 08:25:24 -0400 Received: from mail-pj1-x1035.google.com ([2607:f8b0:4864:20::1035]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sFCBH-0007Xi-0N for qemu-devel@nongnu.org; Thu, 06 Jun 2024 08:25:24 -0400 Received: by mail-pj1-x1035.google.com with SMTP id 98e67ed59e1d1-2c21574d8ddso755094a91.0 for ; Thu, 06 Jun 2024 05:25:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1717676722; x=1718281522; 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=a+Wolbl1WfWkEWcOSIA0S4HH/bAzChpwJhJKAa1Hf2Y=; b=d5HyTKYJwXQgkRaAc5P/unBLF8Pz2TyoBmHSx8Ig+Snn66tub6wgQ62ccFVPUM8Y3/ R7LVliHAchemgHjhCRzowhHh3hBkAJx0x09aw3kfygeb3Z3DuNZCd93qxO1PYmhLfQmq nLKt9hZVSiVjNht1xAKbk0jtCig1UMz/lUgqrV1WRIk7RJM+taAljC3Nk1ypANtrmA2d J7fSudRwDAk9JgDu/LeswWd1jXKnbZHHmErn29LI02FVUnSP1NTt+w5bsk1DN41HbNw1 1uHZ1Jn43PdjSbpsICu8WKyfofga91RKBWGzHXpB9Uhpq9sXY9EclqLFd5OM+T0+wDJA IEkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717676722; x=1718281522; 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=a+Wolbl1WfWkEWcOSIA0S4HH/bAzChpwJhJKAa1Hf2Y=; b=kXw42ChHmHKkZUwCjZViIhrqtPutwpDs9zQiKMfeDvbjooyOHfdS4h9cStJJyCiF74 2rsGX32Gg1ckoA3CAlwDTi52cCZbBPKMignEa/7Wdq7f1EZ9Nli+KE/UUDBgeJik9CMg LVWU0VYqkXD/mfR9Jz90S+p6fPVJCqXFfe5h5fefcxR0NjLFM2upkz25HZuVTU71/fvw xSYIQkyPNHaIsGypPNmMhPUx3vLzxeh2zpS5PaqEj7terTCluUZBRlUJGhfyqm2KYMhz 5Kr+Dmt7nMsj4HqtZZ8ONYxQTicX0ka3kNdJoFiItt6IzCPskTCoWgiV/os2vvc9EhXy N44Q== X-Forwarded-Encrypted: i=1; AJvYcCUwCzRgLQ8/Y+/PDzMvRYpv9eiGkR2QK0J+lQ8lwZFJV6Oogja7exoBAKDyRr1XpiCGNdKAIPy6AZ8zgnF2EEx4jUS0tTo= X-Gm-Message-State: AOJu0YxZvS8aHB6+OCSm5fNy4uIgWySMzEi1lMVvPD2Ax7BPuqK//DPA k3XEfsc/nOnDqYFOQUWUtNFpYgBSeeTeZtDcMGQqho5V3hhg+AWOHlxUT6euryM= X-Google-Smtp-Source: AGHT+IFuR9rlDzmDGMEUZFO3u7oN1wmugp1/AK3RkOqMvsOTNoXk+9bO3x7ozjAeqgJ2imGd3zESrA== X-Received: by 2002:a17:90a:b013:b0:2c1:ff47:d243 with SMTP id 98e67ed59e1d1-2c27db575a2mr6088716a91.36.1717676721663; Thu, 06 Jun 2024 05:25:21 -0700 (PDT) Received: from n37-006-243.byted.org ([180.184.51.142]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2c29c20d7adsm1459396a91.9.2024.06.06.05.25.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Jun 2024 05:25:21 -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 v5 06/10] block/nvme: add reservation command protocol constants Date: Thu, 6 Jun 2024 20:24:40 +0800 Message-Id: <20240606122444.2914576-7-luchangqi.123@bytedance.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20240606122444.2914576-1-luchangqi.123@bytedance.com> References: <20240606122444.2914576-1-luchangqi.123@bytedance.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::1035; envelope-from=luchangqi.123@bytedance.com; helo=mail-pj1-x1035.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, T_SCC_BODY_TEXT_LINE=-0.01 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. 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..da6ccb0f3b 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -633,6 +633,10 @@ 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_RESV_RELEASE = 0x15, NVME_CMD_IO_MGMT_RECV = 0x12, NVME_CMD_COPY = 0x19, NVME_CMD_IO_MGMT_SEND = 0x1d, @@ -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;