From patchwork Mon May 13 03:52:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Changqi Lu X-Patchwork-Id: 13663004 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 9B853C25B10 for ; Mon, 13 May 2024 03:54:32 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s6MkA-0001EJ-QS; Sun, 12 May 2024 23:52:54 -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 1s6Mk7-0001Ce-Q6 for qemu-devel@nongnu.org; Sun, 12 May 2024 23:52:51 -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 1s6Mk5-0008Is-Sg for qemu-devel@nongnu.org; Sun, 12 May 2024 23:52:51 -0400 Received: by mail-pf1-x42a.google.com with SMTP id d2e1a72fcca58-6f5053dc057so362688b3a.2 for ; Sun, 12 May 2024 20:52:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1715572368; x=1716177168; 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=IWcnAarNJxqeg1/LDUlKJzpC57oJ3MoFtLFkKPJknhg=; b=YTKA+/ONCY4dCA/yICstKVbjl/mK2e+oWOW8urybDDC4tolWgFn5QVJHRpSTP0JMFo g7hwOXECMbXQyOv64pXh9OgFrz8jvpSMwDaLJ7+/Pr/WklTBA/L47eWxlgvEaWP1b/vX qaRK3DCvLnef4GZ/8y/0kxW2FmB7x/heABKL3uShkuW44lldtzx7sCq+15l8iEO1nNEk bAC7/fqYacMnbH00kGt9Y5ZZdXvw/FyAo+9UohNF8NzKIYnMx9OdYKxvuxR+/LzZ5MRD AXWdsVnmrVYiHwOVrF9JYFA+2pgFazpvgXaZNsd0wDwCc/KQzrMmR2dC3bv53epGJE7d p7jw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715572368; x=1716177168; 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=IWcnAarNJxqeg1/LDUlKJzpC57oJ3MoFtLFkKPJknhg=; b=RelsVcHulF3Fc3WRhwWpl0Hv4a9uHIHYntSoS58dMFhMwElnadYKgL/zgXA+TiqRFH 2zW/UA1bv+D3zSNqSJ5KjLdF4em6MXtbNa8W1z8zNDD8jy75mVDEogvXmG5jjx5dfZy8 w1VnAsgUbWaMwwvuhoWIdpD+ErJVoHShNH1pBfAVAOjKIY5nBxzUicu2uHcF7LvOW2Uv 4UBMlD1hnofXkrVQbFFHQVFvgH0jy1hp1aZ6FJ2Cd4hpT5mNZa+rDSCK0GdiTPuRZYRA aW+w9HlY/hwDuyw4MSjXGQvkAiR3pLAIS2t5biPe1zwb/VEk9/jEh5GPAAWJmcyqyoTb gtSQ== X-Forwarded-Encrypted: i=1; AJvYcCUhkJaGU9wI9omy3tIiEOgkpos97CfpvdQoKdqFKcvbtTvj0MvpvmQVv+JD+tGbnMJs72zo0qMVibFE/SfGnYGi/ZfCNfg= X-Gm-Message-State: AOJu0YzojxvuaKLAEjQbrWOE+la09GvEyqr377n2z/AFU/01p/gMULDw U3rxEZ3IfNYaKv2es8XO5xLW/C+iSBHg3sqKSgeWjRqw3lhVRlcxRccX/i6/56I= X-Google-Smtp-Source: AGHT+IHN1UGQB7ywyFrvkx3WtgPeaU1epsTYZfQEANvhFQSG4dQxcQrlItks2TBJcPTMu5qgHsXs6Q== X-Received: by 2002:a05:6a21:3298:b0:1af:ac31:9b8b with SMTP id adf61e73a8af0-1afde09f44fmr11057615637.10.1715572368607; Sun, 12 May 2024 20:52:48 -0700 (PDT) Received: from n37-006-243.byted.org ([180.184.51.40]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-6f4d2a8137asm6407947b3a.45.2024.05.12.20.52.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 May 2024 20:52:48 -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 v2 02/11] block/raw: add persistent reservation in/out driver Date: Mon, 13 May 2024 11:52:21 +0800 Message-Id: <20240513035230.60162-3-luchangqi.123@bytedance.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20240513035230.60162-1-luchangqi.123@bytedance.com> References: <20240513035230.60162-1-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 persistent reservation in/out operations for raw driver. The following methods are implemented: bdrv_co_pr_read_keys, bdrv_co_pr_read_reservation, bdrv_co_pr_register, bdrv_co_pr_reserve, bdrv_co_pr_release, bdrv_co_pr_clear and bdrv_co_pr_preempt. Reviewed-by: Stefan Hajnoczi Signed-off-by: Changqi Lu Signed-off-by: zhenwei pi --- block/raw-format.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/block/raw-format.c b/block/raw-format.c index ac7e8495f6..7ba5b12101 100644 --- a/block/raw-format.c +++ b/block/raw-format.c @@ -454,6 +454,54 @@ raw_co_ioctl(BlockDriverState *bs, unsigned long int req, void *buf) return bdrv_co_ioctl(bs->file->bs, req, buf); } +static int coroutine_fn GRAPH_RDLOCK +raw_co_pr_read_keys(BlockDriverState *bs, uint32_t *generation, + uint32_t num_keys, uint64_t *keys) +{ + + return bdrv_co_pr_read_keys(bs->file->bs, generation, num_keys, keys); +} + +static int coroutine_fn GRAPH_RDLOCK +raw_co_pr_read_reservation(BlockDriverState *bs, uint32_t *generation, + uint64_t *key, BlockPrType *type) +{ + return bdrv_co_pr_read_reservation(bs->file->bs, generation, key, type); +} + +static int coroutine_fn GRAPH_RDLOCK +raw_co_pr_register(BlockDriverState *bs, uint64_t old_key, + uint64_t new_key, BlockPrType type, bool ignore_key) +{ + return bdrv_co_pr_register(bs->file->bs, old_key, new_key, + type, ignore_key); +} + +static int coroutine_fn GRAPH_RDLOCK +raw_co_pr_reserve(BlockDriverState *bs, uint64_t key, BlockPrType type) +{ + return bdrv_co_pr_reserve(bs->file->bs, key, type); +} + +static int coroutine_fn GRAPH_RDLOCK +raw_co_pr_release(BlockDriverState *bs, uint64_t key, BlockPrType type) +{ + return bdrv_co_pr_release(bs->file->bs, key, type); +} + +static int coroutine_fn GRAPH_RDLOCK +raw_co_pr_clear(BlockDriverState *bs, uint64_t key) +{ + return bdrv_co_pr_clear(bs->file->bs, key); +} + +static int coroutine_fn GRAPH_RDLOCK +raw_co_pr_preempt(BlockDriverState *bs, uint64_t old_key, + uint64_t new_key, BlockPrType type, bool abort) +{ + return bdrv_co_pr_preempt(bs->file->bs, old_key, new_key, type, abort); +} + static int GRAPH_RDLOCK raw_has_zero_init(BlockDriverState *bs) { return bdrv_has_zero_init(bs->file->bs); @@ -672,6 +720,13 @@ BlockDriver bdrv_raw = { .strong_runtime_opts = raw_strong_runtime_opts, .mutable_opts = mutable_opts, .bdrv_cancel_in_flight = raw_cancel_in_flight, + .bdrv_co_pr_read_keys = raw_co_pr_read_keys, + .bdrv_co_pr_read_reservation = raw_co_pr_read_reservation, + .bdrv_co_pr_register = raw_co_pr_register, + .bdrv_co_pr_reserve = raw_co_pr_reserve, + .bdrv_co_pr_release = raw_co_pr_release, + .bdrv_co_pr_clear = raw_co_pr_clear, + .bdrv_co_pr_preempt = raw_co_pr_preempt, }; static void bdrv_raw_init(void)