From patchwork Tue Jul 9 02:46:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Changqi Lu X-Patchwork-Id: 13727201 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 484C0C3DA47 for ; Tue, 9 Jul 2024 02:49:29 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sR0tI-0006Go-Cs; Mon, 08 Jul 2024 22:47:40 -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 1sR0tG-0006DR-HS for qemu-devel@nongnu.org; Mon, 08 Jul 2024 22:47:38 -0400 Received: from mail-pj1-x102c.google.com ([2607:f8b0:4864:20::102c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sR0tE-0003pU-UC for qemu-devel@nongnu.org; Mon, 08 Jul 2024 22:47:38 -0400 Received: by mail-pj1-x102c.google.com with SMTP id 98e67ed59e1d1-2c95ca60719so2721882a91.3 for ; Mon, 08 Jul 2024 19:47:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1720493255; x=1721098055; 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=ROim7xG4VeV7okIeoWk1lldyf4YzP1rLfO+fx4YPjhw=; b=AhZm9ZZgGfIyJkuFqAwnSBYX66taznC7VmrYsG4uDJKu6nhpct4gyapD7i6rQtiuuV CThv0M7/WmIYCL1z53ivswizF18PAzyM4uaFviH6jK6tyrv7VHtK2LR+9fVsZrqmqgbw NGUF/YCq+oWVShP0HuyJ+ZvnTRU8rsB/yI0p+yELApUUWglNnh4Vf5x8LLbVqwWqGI9s 5wMVs+6elOVBtM6mtQFBh9Bk7MdIkhY5dfuvZWOjjXCZCItN8H8hV10wZeItA5xz7yJE SN+u6Sv0h6s80UFH3FSzxBpf8vfhYb5ljo2JIs2IFyLBNVvQY1tnX+jAXmiSAhcyqsnG OZgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720493255; x=1721098055; 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=ROim7xG4VeV7okIeoWk1lldyf4YzP1rLfO+fx4YPjhw=; b=Eujl8/jO8ZK445VqWJCK7zHJzV2eWvYiSLe1GjMT0YpEJ+iMjRQu5Ch2ttfZBT4WkC XW4Pk23ESyrc+fFjoxeIDwaDJamyIPbiG0/epY7e6oycmq0XvSfnvIXK9B1XBVnwSdUw 11IX5oT9Mz57AHRKCB42qcFbRGMKgq/aaJ2N0JGMCepVMfmi5JwXd1Gahx7aSic5/T7x LFPYZuWAaLd97IGsRlQlduDoIJlL1BQLWb4fosuuYNUD9T2vWhkzti9Mesa8OPE/VGN5 Sl/TYGMUd3KiMHxDdXfhsAQwbpaBDkn3Ka7v8PAiSDzh3jxxnOKO9m4iib2QZcmTLdG+ tzgQ== X-Forwarded-Encrypted: i=1; AJvYcCWVqWIPnLCJJFKkfHoxp8vDjD2QrEbbhwiXb/iiu++SPtvEaC+K4I+ht3J6Y3PQFZcXzAlLV1Ql6XHxOX0c7QIGSr/XL4o= X-Gm-Message-State: AOJu0YyR85h/+Eg9PM/xy+CtJ9zq2qiD+j3jAYCMzzsYwzmufEdnkU5K 0/kSvoT7YEswAOl0J7eAFF8KfvC5ZNvvQFlaU8iuEhzllYHTtK7C/FSuRO4Uqws= X-Google-Smtp-Source: AGHT+IGLx7Kudcu6eYHjzoDDW32UULQB2c0hm4P9miPhIpUEEh/+JHRA1IiyzYADjnO/TzLlVMucUw== X-Received: by 2002:a17:90a:10c9:b0:2c8:da73:af82 with SMTP id 98e67ed59e1d1-2ca35be7ec4mr1148479a91.10.1720493255483; Mon, 08 Jul 2024 19:47:35 -0700 (PDT) Received: from TF4D9JK212.bytedance.net ([61.213.176.9]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2c99a97e8a5sm8964661a91.27.2024.07.08.19.47.31 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 08 Jul 2024 19:47:35 -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 02/10] block/raw: add persistent reservation in/out driver Date: Tue, 9 Jul 2024 10:46:58 +0800 Message-Id: <20240709024706.4108-3-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::102c; envelope-from=luchangqi.123@bytedance.com; helo=mail-pj1-x102c.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. Signed-off-by: Changqi Lu Signed-off-by: zhenwei pi Reviewed-by: Stefan Hajnoczi --- block/raw-format.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/block/raw-format.c b/block/raw-format.c index ac7e8495f6..3746bc1bd3 100644 --- a/block/raw-format.c +++ b/block/raw-format.c @@ -454,6 +454,55 @@ 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 ptpl, bool ignore_key) +{ + return bdrv_co_pr_register(bs->file->bs, old_key, new_key, + type, ptpl, 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 +721,13 @@ 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)