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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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.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)