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(cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dmitry.osipenko) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 2EB923782137; Thu, 18 Apr 2024 19:01:09 +0000 (UTC) From: Dmitry Osipenko To: Akihiko Odaki , Huang Rui , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Gerd Hoffmann , "Michael S . Tsirkin" , Stefano Stabellini , Anthony PERARD , Antonio Caggiano , "Dr . David Alan Gilbert" , Robert Beckett , Gert Wollny , =?UTF-8?q?Alex=20Benn=C3=A9e?= Cc: qemu-devel@nongnu.org, Gurchetan Singh , ernunes@redhat.com, Alyssa Ross , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Alex Deucher , Stefano Stabellini , =?UTF-8?q?Christian=20K=C3=B6nig?= , Xenia Ragiadakou , Pierre-Eric Pelloux-Prayer , Honglei Huang , Julia Zhang , Chen Jiqian , Yiwei Zhang Subject: [PATCH v8 07/11] virtio-gpu: Support suspension of commands processing Date: Thu, 18 Apr 2024 22:00:36 +0300 Message-ID: <20240418190040.1110210-8-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240418190040.1110210-1-dmitry.osipenko@collabora.com> References: <20240418190040.1110210-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=46.235.227.194; envelope-from=dmitry.osipenko@collabora.com; helo=madrid.collaboradmins.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, 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 new "suspended" flag to virtio_gpu_ctrl_command telling cmd processor that it should stop processing commands and retry again next time until flag is unset. Signed-off-by: Dmitry Osipenko --- hw/display/virtio-gpu-gl.c | 1 + hw/display/virtio-gpu-rutabaga.c | 1 + hw/display/virtio-gpu-virgl.c | 3 +++ hw/display/virtio-gpu.c | 5 +++++ include/hw/virtio/virtio-gpu.h | 1 + 5 files changed, 11 insertions(+) diff --git a/hw/display/virtio-gpu-gl.c b/hw/display/virtio-gpu-gl.c index ba478124e2c2..a8892bcc5346 100644 --- a/hw/display/virtio-gpu-gl.c +++ b/hw/display/virtio-gpu-gl.c @@ -79,6 +79,7 @@ static void virtio_gpu_gl_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) cmd->vq = vq; cmd->error = 0; cmd->finished = false; + cmd->suspended = false; QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next); cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); } diff --git a/hw/display/virtio-gpu-rutabaga.c b/hw/display/virtio-gpu-rutabaga.c index 17bf701a2163..b6e84d436fb2 100644 --- a/hw/display/virtio-gpu-rutabaga.c +++ b/hw/display/virtio-gpu-rutabaga.c @@ -1061,6 +1061,7 @@ static void virtio_gpu_rutabaga_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) cmd->vq = vq; cmd->error = 0; cmd->finished = false; + cmd->suspended = false; QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next); cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); } diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c index c2057b0c2147..bb9ee1eba9a0 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -670,6 +670,9 @@ void virtio_gpu_virgl_process_cmd(VirtIOGPU *g, break; } + if (cmd->suspended) { + return; + } if (cmd->finished) { return; } diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 1e57a53d346c..a1bd4d6914c4 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -1054,6 +1054,10 @@ void virtio_gpu_process_cmdq(VirtIOGPU *g) /* process command */ vgc->process_cmd(g, cmd); + if (cmd->suspended) { + break; + } + QTAILQ_REMOVE(&g->cmdq, cmd, next); if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { g->stats.requests++; @@ -1113,6 +1117,7 @@ static void virtio_gpu_handle_ctrl(VirtIODevice *vdev, VirtQueue *vq) cmd->vq = vq; cmd->error = 0; cmd->finished = false; + cmd->suspended = false; QTAILQ_INSERT_TAIL(&g->cmdq, cmd, next); cmd = virtqueue_pop(vq, sizeof(struct virtio_gpu_ctrl_command)); } diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h index 44c676c3ca4a..dc24360656ce 100644 --- a/include/hw/virtio/virtio-gpu.h +++ b/include/hw/virtio/virtio-gpu.h @@ -132,6 +132,7 @@ struct virtio_gpu_ctrl_command { struct virtio_gpu_ctrl_hdr cmd_hdr; uint32_t error; bool finished; + bool suspended; QTAILQ_ENTRY(virtio_gpu_ctrl_command) next; }; -- 2.44.0