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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 5088837820A2; Mon, 27 May 2024 03:03:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1716778998; bh=XZw/J2euyncuWoINgQTWrMCE1tDowBWrWK1rcuPPrgY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xc1sPeKc4uotVkDC0MSylHdF1euF9K+2q0WhMfNHCxRs8Z0JKP13xxMNkG0LGyWeF D9+4PO74VKVXpR8Xposr11Rf2ZWZ6p1Nlw06c7u0OXHIfTdNoEoHjmKijffWEmwrOF aID00qAoFK/mDvjqek9siVpGeHH3WG8y5kS7BuFoEVg+8+MXneRehQO3XnpXQZsuF4 G9NifDHyNgGntzHl3MifVTdjbxhnU0WBLuMMSOncOiMUS2NwM/1T60hprGnlHh5ozJ Lk/j686joU16nZ2f21L4HNRY7WhY/HTbYIoMqLgOqCvHASUfTSXyWhC95nbUimUOFJ 8sej0A7ld6+0Q== 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 , 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 v13 09/13] virtio-gpu: Support blob scanout using dmabuf fd Date: Mon, 27 May 2024 06:02:29 +0300 Message-ID: <20240527030233.3775514-10-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240527030233.3775514-1-dmitry.osipenko@collabora.com> References: <20240527030233.3775514-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1098:ed:100::25; 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, T_SCC_BODY_TEXT_LINE=-0.01, T_SPF_TEMPERROR=0.01 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @collabora.com) X-ZM-MESSAGEID: 1716779089376100003 Content-Type: text/plain; charset="utf-8" From: Robert Beckett Support displaying blob resources by handling SET_SCANOUT_BLOB command. Signed-by: Antonio Caggiano Signed-off-by: Robert Beckett Signed-off-by: Huang Rui Reviewed-by: Antonio Caggiano Signed-off-by: Dmitry Osipenko --- hw/display/virtio-gpu-virgl.c | 109 +++++++++++++++++++++++++++++++++ hw/display/virtio-gpu.c | 12 ++-- include/hw/virtio/virtio-gpu.h | 7 +++ meson.build | 1 + 4 files changed, 123 insertions(+), 6 deletions(-) diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c index 8392d0fde984..7f45b4fa5fd7 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -17,6 +17,8 @@ #include "trace.h" #include "hw/virtio/virtio.h" #include "hw/virtio/virtio-gpu.h" +#include "hw/virtio/virtio-gpu-bswap.h" +#include "hw/virtio/virtio-gpu-pixman.h" =20 #include "ui/egl-helpers.h" =20 @@ -78,6 +80,7 @@ static void virgl_cmd_create_resource_2d(VirtIOGPU *g, res->base.height =3D c2d.height; res->base.format =3D c2d.format; res->base.resource_id =3D c2d.resource_id; + res->base.dmabuf_fd =3D -1; QTAILQ_INSERT_HEAD(&g->reslist, &res->base, next); =20 args.handle =3D c2d.resource_id; @@ -125,6 +128,7 @@ static void virgl_cmd_create_resource_3d(VirtIOGPU *g, res->base.height =3D c3d.height; res->base.format =3D c3d.format; res->base.resource_id =3D c3d.resource_id; + res->base.dmabuf_fd =3D -1; QTAILQ_INSERT_HEAD(&g->reslist, &res->base, next); =20 args.handle =3D c3d.resource_id; @@ -509,6 +513,106 @@ static void virgl_cmd_get_capset(VirtIOGPU *g, g_free(resp); } =20 +#ifdef HAVE_VIRGL_RESOURCE_BLOB +static void virgl_cmd_set_scanout_blob(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd) +{ + struct virtio_gpu_framebuffer fb =3D { 0 }; + struct virgl_renderer_resource_info info; + struct virtio_gpu_virgl_resource *res; + struct virtio_gpu_set_scanout_blob ss; + uint64_t fbend; + + VIRTIO_GPU_FILL_CMD(ss); + virtio_gpu_scanout_blob_bswap(&ss); + trace_virtio_gpu_cmd_set_scanout_blob(ss.scanout_id, ss.resource_id, + ss.r.width, ss.r.height, ss.r.x, + ss.r.y); + + if (ss.scanout_id >=3D g->parent_obj.conf.max_outputs) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout id specified %= d", + __func__, ss.scanout_id); + cmd->error =3D VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; + return; + } + + if (ss.resource_id =3D=3D 0) { + virtio_gpu_disable_scanout(g, ss.scanout_id); + return; + } + + if (ss.width < 16 || + ss.height < 16 || + ss.r.x + ss.r.width > ss.width || + ss.r.y + ss.r.height > ss.height) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: illegal scanout %d bounds for" + " resource %d, rect (%d,%d)+%d,%d, fb %d %d\n", + __func__, ss.scanout_id, ss.resource_id, + ss.r.x, ss.r.y, ss.r.width, ss.r.height, + ss.width, ss.height); + cmd->error =3D VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; + return; + } + + res =3D virtio_gpu_virgl_find_resource(g, ss.resource_id); + if (!res) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not exist %d\n", + __func__, ss.resource_id); + cmd->error =3D VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; + return; + } + if (virgl_renderer_resource_get_info(ss.resource_id, &info)) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not have info %d= \n", + __func__, ss.resource_id); + cmd->error =3D VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; + return; + } + if (res->base.dmabuf_fd < 0) { + res->base.dmabuf_fd =3D info.fd; + } + if (res->base.dmabuf_fd < 0) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource not backed by dmabuf = %d\n", + __func__, ss.resource_id); + cmd->error =3D VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID; + return; + } + + fb.format =3D virtio_gpu_get_pixman_format(ss.format); + if (!fb.format) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: pixel format not supported %d\= n", + __func__, ss.format); + cmd->error =3D VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; + return; + } + + fb.bytes_pp =3D DIV_ROUND_UP(PIXMAN_FORMAT_BPP(fb.format), 8); + fb.width =3D ss.width; + fb.height =3D ss.height; + fb.stride =3D ss.strides[0]; + fb.offset =3D ss.offsets[0] + ss.r.x * fb.bytes_pp + ss.r.y * fb.strid= e; + + fbend =3D fb.offset; + fbend +=3D fb.stride * (ss.r.height - 1); + fbend +=3D fb.bytes_pp * ss.r.width; + if (fbend > res->base.blob_size) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: fb end out of range\n", + __func__); + cmd->error =3D VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; + return; + } + + g->parent_obj.enable =3D 1; + if (virtio_gpu_update_dmabuf(g, ss.scanout_id, &res->base, &fb, &ss.r)= ) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to update dmabuf\n", + __func__); + cmd->error =3D VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER; + return; + } + + virtio_gpu_update_scanout(g, ss.scanout_id, &res->base, &fb, &ss.r); +} +#endif /* HAVE_VIRGL_RESOURCE_BLOB */ + void virtio_gpu_virgl_process_cmd(VirtIOGPU *g, struct virtio_gpu_ctrl_command *cmd) { @@ -575,6 +679,11 @@ void virtio_gpu_virgl_process_cmd(VirtIOGPU *g, case VIRTIO_GPU_CMD_GET_EDID: virtio_gpu_get_edid(g, cmd); break; +#ifdef HAVE_VIRGL_RESOURCE_BLOB + case VIRTIO_GPU_CMD_SET_SCANOUT_BLOB: + virgl_cmd_set_scanout_blob(g, cmd); + break; +#endif /* HAVE_VIRGL_RESOURCE_BLOB */ default: cmd->error =3D VIRTIO_GPU_RESP_ERR_UNSPEC; break; diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 672279e57f3f..f3d2def9a49f 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -380,7 +380,7 @@ static void virtio_gpu_resource_create_blob(VirtIOGPU *= g, QTAILQ_INSERT_HEAD(&g->reslist, res, next); } =20 -static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id) +void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id) { struct virtio_gpu_scanout *scanout =3D &g->parent_obj.scanout[scanout_= id]; struct virtio_gpu_simple_resource *res; @@ -597,11 +597,11 @@ static void virtio_unref_resource(pixman_image_t *ima= ge, void *data) pixman_image_unref(data); } =20 -static void virtio_gpu_update_scanout(VirtIOGPU *g, - uint32_t scanout_id, - struct virtio_gpu_simple_resource *r= es, - struct virtio_gpu_framebuffer *fb, - struct virtio_gpu_rect *r) +void virtio_gpu_update_scanout(VirtIOGPU *g, + uint32_t scanout_id, + struct virtio_gpu_simple_resource *res, + struct virtio_gpu_framebuffer *fb, + struct virtio_gpu_rect *r) { struct virtio_gpu_simple_resource *ores; struct virtio_gpu_scanout *scanout; diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h index 2faeda6f6abe..0bfdfd91db46 100644 --- a/include/hw/virtio/virtio-gpu.h +++ b/include/hw/virtio/virtio-gpu.h @@ -338,6 +338,13 @@ int virtio_gpu_update_dmabuf(VirtIOGPU *g, struct virtio_gpu_framebuffer *fb, struct virtio_gpu_rect *r); =20 +void virtio_gpu_update_scanout(VirtIOGPU *g, + uint32_t scanout_id, + struct virtio_gpu_simple_resource *res, + struct virtio_gpu_framebuffer *fb, + struct virtio_gpu_rect *r); +void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id); + /* virtio-gpu-3d.c */ void virtio_gpu_virgl_process_cmd(VirtIOGPU *g, struct virtio_gpu_ctrl_command *cmd); diff --git a/meson.build b/meson.build index 65fddfbbc3a7..e753da4c76c3 100644 --- a/meson.build +++ b/meson.build @@ -2311,6 +2311,7 @@ config_host_data.set('CONFIG_VNC_SASL', sasl.found()) if virgl.version().version_compare('>=3D1.0.0') config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT', 1) config_host_data.set('HAVE_VIRGL_CONTEXT_CREATE_WITH_FLAGS', 1) + config_host_data.set('HAVE_VIRGL_RESOURCE_BLOB', 1) endif config_host_data.set('CONFIG_VIRTFS', have_virtfs) config_host_data.set('CONFIG_VTE', vte.found()) --=20 2.44.0