From patchwork Fri Jul 12 02:36:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Changqi Lu X-Patchwork-Id: 13731235 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 04CB6C41513 for ; Fri, 12 Jul 2024 02:38:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sS69u-00046U-C6; Thu, 11 Jul 2024 22:37:18 -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 1sS69s-00043Y-LW for qemu-devel@nongnu.org; Thu, 11 Jul 2024 22:37:16 -0400 Received: from mail-pl1-x62a.google.com ([2607:f8b0:4864:20::62a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sS69q-0003OW-Tk for qemu-devel@nongnu.org; Thu, 11 Jul 2024 22:37:16 -0400 Received: by mail-pl1-x62a.google.com with SMTP id d9443c01a7336-1fbc09ef46aso13253725ad.3 for ; Thu, 11 Jul 2024 19:37:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1720751833; x=1721356633; 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=MjsvfW3yaHoVHI1+CtpKl+I32/yrpBbwoBAbDP7s1XBsozgkUsvdyUOQaetfj0gBwa XuAoEBV1VEyf3eorJjSxpm35MPeYvbV6rvWhB2v3jL1hSKTlhTMIca5oyqZUePCq5wi5 rOIohhfggjYBRhc+FTnz9sskMkV+aQN6Y2pH+0SrSy6sK9RiNinF6V0Gef1WaYbFJSCS IdwvU5hS0FKtLMMJHm//rZ/M8DcJh2iTwUuUqNwmPJDySOG/PGE4dyYhZzMBCP7tfbu6 NDH9YIWbCaHEV/3+fFfDReDCmgo9ZKHtgo63O9FIWIsilFnEahWzNaW44aZSInuhrXOs e60Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720751833; x=1721356633; 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=JrYrRzmwXt2qi16q/Di7O5MjVgc9fqPT+FkjpvbYZmeCsBhfmTYi3X4XxjWSjhBHjq ZdGGQHj+Tcjbhw7SGno1y5UFkH3eGiKm2OPiiXYUgweTQLRKzXhUTtxac9DAJ30kLTCc AREcdLhdqYclqgK7pB7fXL+++hYUqVlW5KQPUfqaOHz/HKkQjmETBIrZNhujPB7z7+za rNvfOtus8tmhu2Ftys/YfDnNXXY9RRVR783n/4AwSKITwPQItoMK0QSdIj7vxbyfC/7M QOtLI9XXGkQrG2Ic82Vawr7FYAu8y28XuweaXE+68d4w5tuqU5A/sEJAAsmbxp2UiZqI 1Qzw== X-Forwarded-Encrypted: i=1; AJvYcCWi3B/onhR5HRKlefmCaGwlCDIQB3GMDpqiNLLM5zVhomasLaNh1TXS5uO4Wh4Dx80xlzrHX+rP7eH5330Rvb47a+4e/ow= X-Gm-Message-State: AOJu0Yy/3L8QBZo//5MrHWf8mW0RCDA07zJ+jQZRaL+2D9a8L7IIIzKs FsVmAS9KFMpFqbTYL6fIXz6tCZkWhmhX6Y924G9DMDknapn3anjzr4xQNZynuXw= X-Google-Smtp-Source: AGHT+IHxHuUViDMGEQimEkkj73o5/9owiypH5ZSkeOxV5sTxIR0GyoOO78u0buq7iqnqUKeMZj3GYA== X-Received: by 2002:a17:90a:3047:b0:2c9:8380:e97b with SMTP id 98e67ed59e1d1-2ca35be1113mr8183536a91.4.1720751833387; Thu, 11 Jul 2024 19:37:13 -0700 (PDT) Received: from TF4D9JK212.bytedance.net ([61.213.176.12]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2cacd65fc43sm297453a91.39.2024.07.11.19.37.08 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 11 Jul 2024 19:37:13 -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 v9 02/10] block/raw: add persistent reservation in/out driver Date: Fri, 12 Jul 2024 10:36:42 +0800 Message-Id: <20240712023650.45626-3-luchangqi.123@bytedance.com> X-Mailer: git-send-email 2.39.2 (Apple Git-143) In-Reply-To: <20240712023650.45626-1-luchangqi.123@bytedance.com> References: <20240712023650.45626-1-luchangqi.123@bytedance.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62a; envelope-from=luchangqi.123@bytedance.com; helo=mail-pl1-x62a.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)