From patchwork Thu Aug 29 08:42:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Changqi Lu X-Patchwork-Id: 13782787 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 91BF9C83010 for ; Thu, 29 Aug 2024 08:43:33 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sjakF-0006il-BL; Thu, 29 Aug 2024 04:43:07 -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 1sjakE-0006eQ-6k for qemu-devel@nongnu.org; Thu, 29 Aug 2024 04:43:06 -0400 Received: from mail-pg1-x529.google.com ([2607:f8b0:4864:20::529]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sjakC-0000DZ-Db for qemu-devel@nongnu.org; Thu, 29 Aug 2024 04:43:05 -0400 Received: by mail-pg1-x529.google.com with SMTP id 41be03b00d2f7-6c5bcb8e8edso271185a12.2 for ; Thu, 29 Aug 2024 01:43:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1724920983; x=1725525783; 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=hzwj0V5NlWMLNKBqS9AV7JN7q1fpiKRjSIfkG6UqhRSJiKQzTq4GrOoAfQGbjVKGmw BzCaLkrVLY6zTnbU9U/iY9pejUiIn8de850MDR1kXoQLl9BsO31WVWCf3EeRlOcCL+9k CaqToPhM8ews5wNi2LxBYJp+0DIfku7ODsW3UBjx5inc/HN3TXLT1nxbiCyt0ASHyqhf oL8pAuN//qznJr4rhve5NM7oLvA9o9u0f5M7chVLN5oJSHRCSyVQYNZdTg3GQQMdm3Pb r1KOcBhR4XVTFx2YKdD+A2uvB6t6JQko1vMHqo/Doe/Pwo88lMO3SuyEjo3egszu7gm/ 60WA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724920983; x=1725525783; 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=u7ZmMy8G9A5EEmRTZcF0Kkb8CU5bEMYAcIq8y7tgYMdOgqQ9T4ZaTgyIr3x7Qa4iW9 xS4odYPU6XFWg44vjM8/vvLCh21E7BI0tlV/6+cGtrdBRrHFjeCOZwagytF4N0MoxeJB 63X5MuD5dzfeovf1/twsbSd3CCLzW/fGDG0H42+MYK465NIL4q01Cswenl5PiQqRCf2a 2XqA3WUNDqn+voMAcxVVoK2CkaWmNjNRh4U6ILjF1Cw8SCjF7o/l11RRCazTw0XuyWZM fSVQrDrCDhZddsxFsE/GOzVyHleBKd9cOyVQ0yydHujqu9FXBUngywRcg82hULXmJMwV /HJw== X-Forwarded-Encrypted: i=1; AJvYcCXkwwDrJlYD8JUqnD/uBjAwwKPV5Z7ezN4HqmseaEXXPFx9opoXBk5sgOGXulE/SSBl8zgZ7vc8N5Fe@nongnu.org X-Gm-Message-State: AOJu0YzWxd/OXzNJ1Fo8dZk/7r3paHsSxsG+Icg5dZC1lBmPGkCVW8sZ ClcJpDhQYnE4NykQDIOcUzXd28pVfBzffxaJ7zp8dHyZkVun4U+f9RyT/7yDvY4= X-Google-Smtp-Source: AGHT+IEkX3Y5gn4NSHa8xXuwvxeULy9gbQFimDiK0ihdGwSveBgePUFT5ckvUMRMCpzFDfW+yNq/Vg== X-Received: by 2002:a17:90a:8409:b0:2d3:d4ca:62f6 with SMTP id 98e67ed59e1d1-2d8564b3cf2mr1964392a91.42.1724920983009; Thu, 29 Aug 2024 01:43:03 -0700 (PDT) Received: from TF4D9JK212.bytedance.net ([61.213.176.6]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2d8446f3897sm3431856a91.49.2024.08.29.01.42.58 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 29 Aug 2024 01:43:02 -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 v10 06/10] block/nvme: add reservation command protocol constants Date: Thu, 29 Aug 2024 16:42:10 +0800 Message-Id: <20240829084214.50548-7-luchangqi.123@bytedance.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) In-Reply-To: <20240829084214.50548-1-luchangqi.123@bytedance.com> References: <20240829084214.50548-1-luchangqi.123@bytedance.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::529; envelope-from=luchangqi.123@bytedance.com; helo=mail-pg1-x529.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. 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;