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charset="utf-8" Update the virtio_gpu.h header to sync with Linux kernel changes, which introduces two new blob flags for userptr support: - VIRTIO_GPU_BLOB_FLAG_USE_USERPTR (0x0008) - VIRTIO_GPU_BLOB_FLAG_USERPTR_RDONLY (0x0010) These flags enable virtio-gpu to support user-provided memory pointers for blob resources. Signed-off-by: Honglei Huang --- include/standard-headers/linux/virtio_gpu.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/standard-headers/linux/virtio_gpu.h b/include/standard= -headers/linux/virtio_gpu.h index 00cd3f04af..c40961bee5 100644 --- a/include/standard-headers/linux/virtio_gpu.h +++ b/include/standard-headers/linux/virtio_gpu.h @@ -405,6 +405,8 @@ struct virtio_gpu_resource_create_blob { #define VIRTIO_GPU_BLOB_FLAG_USE_MAPPABLE 0x0001 #define VIRTIO_GPU_BLOB_FLAG_USE_SHAREABLE 0x0002 #define VIRTIO_GPU_BLOB_FLAG_USE_CROSS_DEVICE 0x0004 +#define VIRTIO_GPU_BLOB_FLAG_USE_USERPTR 0x0008 +#define VIRTIO_GPU_BLOB_FLAG_USERPTR_RDONLY 0x0010 /* zero is invalid blob mem */ uint32_t blob_mem; uint32_t blob_flags; --=20 2.34.1 From nobody Sat Feb 7 07:31:13 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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charset="utf-8" Remove the check that limits nr_entries to 16384 in the virtio_gpu_create_mapping_iov() function. The kernel virtio-gpu driver does not have this limitation, and this artificial limit in QEMU can prevent legitimate large scatter-gather list operations from succeeding. Remove this check to keep consistent with the kernel virtio-gpu implementation. Signed-off-by: Honglei Huang --- hw/display/virtio-gpu.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 643e91ca2a..17df148920 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -808,13 +808,6 @@ int virtio_gpu_create_mapping_iov(VirtIOGPU *g, size_t esize, s; int e, v; =20 - if (nr_entries > 16384) { - qemu_log_mask(LOG_GUEST_ERROR, - "%s: nr_entries is too big (%d > 16384)\n", - __func__, nr_entries); - return -1; - } - esize =3D sizeof(*ents) * nr_entries; ents =3D g_malloc(esize); s =3D iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, --=20 2.34.1 From nobody Sat Feb 7 07:31:13 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=amd.com); dmarc=pass(p=quarantine dis=none) header.from=amd.com ARC-Seal: i=2; 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charset="utf-8" Update linux header same with the related linux patches. kernel headers, which introduces: - VIRTIO_GPU_CAPSET_ROCM capability set definition Signed-off-by: Honglei Huang --- include/standard-headers/linux/virtio_gpu.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/standard-headers/linux/virtio_gpu.h b/include/standard= -headers/linux/virtio_gpu.h index c40961bee5..f4f0a821ba 100644 --- a/include/standard-headers/linux/virtio_gpu.h +++ b/include/standard-headers/linux/virtio_gpu.h @@ -313,6 +313,7 @@ struct virtio_gpu_cmd_submit { #define VIRTIO_GPU_CAPSET_VENUS 4 #define VIRTIO_GPU_CAPSET_CROSS_DOMAIN 5 #define VIRTIO_GPU_CAPSET_DRM 6 +#define VIRTIO_GPU_CAPSET_ROCM 8 =20 /* VIRTIO_GPU_CMD_GET_CAPSET_INFO */ struct virtio_gpu_get_capset_info { --=20 2.34.1 From nobody Sat Feb 7 07:31:13 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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charset="utf-8" Add support for ROCm (Radeon Open Compute) capability in virtio-gpu. This enables GPU compute workloads using AMD's ROCm platform through the virtio-gpu interface. Changes include: - Add "rocm" property to virtio-gpu-gl device - Define VIRTIO_GPU_FLAG_ROCM_ENABLED flag - Enable VIRGL_RENDERER_USE_ROCM flag when ROCm is enabled - Add virtio_gpu_rocm_enabled() helper macro This allows guests to detect and utilize ROCm capabilities through the virtio-gpu device when the feature is enabled. Signed-off-by: Honglei Huang Reviewed-by: Akihiko Odaki --- hw/display/virtio-gpu-gl.c | 2 ++ hw/display/virtio-gpu-virgl.c | 12 ++++++++++++ include/hw/virtio/virtio-gpu.h | 3 +++ 3 files changed, 17 insertions(+) diff --git a/hw/display/virtio-gpu-gl.c b/hw/display/virtio-gpu-gl.c index b98ef2ef98..f059bcb177 100644 --- a/hw/display/virtio-gpu-gl.c +++ b/hw/display/virtio-gpu-gl.c @@ -159,6 +159,8 @@ static const Property virtio_gpu_gl_properties[] =3D { VIRTIO_GPU_FLAG_STATS_ENABLED, false), DEFINE_PROP_BIT("venus", VirtIOGPU, parent_obj.conf.flags, VIRTIO_GPU_FLAG_VENUS_ENABLED, false), + DEFINE_PROP_BIT("rocm", VirtIOGPU, parent_obj.conf.flags, + VIRTIO_GPU_FLAG_ROCM_ENABLED, false), }; =20 static void virtio_gpu_gl_device_unrealize(DeviceState *qdev) diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c index cbfb8aca3f..5e0f465c37 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -1160,6 +1160,9 @@ int virtio_gpu_virgl_init(VirtIOGPU *g) if (virtio_gpu_venus_enabled(g->parent_obj.conf)) { flags |=3D VIRGL_RENDERER_VENUS | VIRGL_RENDERER_RENDER_SERVER; } + if (virtio_gpu_rocm_enabled(g->parent_obj.conf)) { + flags |=3D (VIRGL_RENDERER_USE_ROCM); + } #endif =20 ret =3D virgl_renderer_init(g, flags, &virtio_gpu_3d_cbs); @@ -1218,5 +1221,14 @@ GArray *virtio_gpu_virgl_get_capsets(VirtIOGPU *g) } } =20 + if (virtio_gpu_rocm_enabled(g->parent_obj.conf)) { + virgl_renderer_get_cap_set(VIRTIO_GPU_CAPSET_ROCM, + &capset_max_ver, + &capset_max_size); + if (capset_max_size) { + virtio_gpu_virgl_add_capset(capset_ids, VIRTIO_GPU_CAPSET_ROCM= ); + } + } + return capset_ids; } diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h index 58e0f91fda..9923970ece 100644 --- a/include/hw/virtio/virtio-gpu.h +++ b/include/hw/virtio/virtio-gpu.h @@ -100,6 +100,7 @@ enum virtio_gpu_base_conf_flags { VIRTIO_GPU_FLAG_RUTABAGA_ENABLED, VIRTIO_GPU_FLAG_VENUS_ENABLED, VIRTIO_GPU_FLAG_RESOURCE_UUID_ENABLED, + VIRTIO_GPU_FLAG_ROCM_ENABLED, }; =20 #define virtio_gpu_virgl_enabled(_cfg) \ @@ -122,6 +123,8 @@ enum virtio_gpu_base_conf_flags { (_cfg.hostmem > 0) #define virtio_gpu_venus_enabled(_cfg) \ (_cfg.flags & (1 << VIRTIO_GPU_FLAG_VENUS_ENABLED)) +#define virtio_gpu_rocm_enabled(_cfg) \ + (_cfg.flags & (1 << VIRTIO_GPU_FLAG_ROCM_ENABLED)) =20 struct virtio_gpu_base_conf { uint32_t max_outputs; --=20 2.34.1