Support BLOB resources creation by calling virgl_renderer_resource_create_blob.
Signed-off-by: Antonio Caggiano <antonio.caggiano@collabora.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
---
hw/display/virtio-gpu-virgl.c | 169 +++++++++++++++++++++++++++
hw/display/virtio-gpu.c | 8 +-
include/hw/virtio/virtio-gpu-bswap.h | 18 +++
include/hw/virtio/virtio-gpu.h | 6 +
meson.build | 5 +
5 files changed, 202 insertions(+), 4 deletions(-)
diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c
index 73cb92c8d5..c4c2c31d76 100644
--- a/hw/display/virtio-gpu-virgl.c
+++ b/hw/display/virtio-gpu-virgl.c
@@ -16,6 +16,8 @@
#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-iommu.h"
#include <virglrenderer.h>
@@ -398,6 +400,162 @@ static void virgl_cmd_get_capset(VirtIOGPU *g,
g_free(resp);
}
+#ifdef HAVE_VIRGL_RESOURCE_BLOB
+
+static void virgl_cmd_resource_create_blob(VirtIOGPU *g,
+ struct virtio_gpu_ctrl_command *cmd)
+{
+ struct virtio_gpu_simple_resource *res;
+ struct virtio_gpu_resource_create_blob cblob;
+ int ret;
+
+ VIRTIO_GPU_FILL_CMD(cblob);
+ virtio_gpu_create_blob_bswap(&cblob);
+ trace_virtio_gpu_cmd_res_create_blob(cblob.resource_id, cblob.size);
+
+ if (cblob.resource_id == 0) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n",
+ __func__);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ res = virtio_gpu_find_resource(g, cblob.resource_id);
+ if (res) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n",
+ __func__, cblob.resource_id);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ res = g_new0(struct virtio_gpu_simple_resource, 1);
+ res->resource_id = cblob.resource_id;
+ res->blob_size = cblob.size;
+
+ if (res->iov) {
+ cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
+ return;
+ }
+
+ if (cblob.blob_mem != VIRTIO_GPU_BLOB_MEM_HOST3D) {
+ ret = virtio_gpu_create_mapping_iov(g, cblob.nr_entries, sizeof(cblob),
+ cmd, &res->addrs, &res->iov,
+ &res->iov_cnt);
+ if (ret != 0) {
+ cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
+ return;
+ }
+ }
+
+ if (cblob.blob_mem == VIRTIO_GPU_BLOB_MEM_GUEST) {
+ virtio_gpu_init_udmabuf(res);
+ }
+ QTAILQ_INSERT_HEAD(&g->reslist, res, next);
+
+ const struct virgl_renderer_resource_create_blob_args virgl_args = {
+ .res_handle = cblob.resource_id,
+ .ctx_id = cblob.hdr.ctx_id,
+ .blob_mem = cblob.blob_mem,
+ .blob_id = cblob.blob_id,
+ .blob_flags = cblob.blob_flags,
+ .size = cblob.size,
+ .iovecs = res->iov,
+ .num_iovs = res->iov_cnt,
+ };
+ ret = virgl_renderer_resource_create_blob(&virgl_args);
+ if (ret) {
+ g_print("Virgl blob create error: %s\n", strerror(-ret));
+ }
+}
+
+static void virgl_cmd_resource_map_blob(VirtIOGPU *g,
+ struct virtio_gpu_ctrl_command *cmd)
+{
+ struct virtio_gpu_simple_resource *res;
+ struct virtio_gpu_resource_map_blob mblob;
+ int ret;
+ void *data;
+ uint64_t size;
+ struct virtio_gpu_resp_map_info resp;
+
+ VIRTIO_GPU_FILL_CMD(mblob);
+ virtio_gpu_map_blob_bswap(&mblob);
+
+ if (mblob.resource_id == 0) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n",
+ __func__);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ res = virtio_gpu_find_resource(g, mblob.resource_id);
+ if (!res) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not exist %d\n",
+ __func__, mblob.resource_id);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ ret = virgl_renderer_resource_map(res->resource_id, &data, &size);
+ if (ret) {
+ g_print("Virgl blob resource map error: %s\n", strerror(-ret));
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ memory_region_init_ram_device_ptr(&res->region, OBJECT(g), NULL, size, data);
+ memory_region_add_subregion(&g->parent_obj.hostmem, mblob.offset, &res->region);
+ memory_region_set_enabled(&res->region, true);
+
+ memset(&resp, 0, sizeof(resp));
+ resp.hdr.type = VIRTIO_GPU_RESP_OK_MAP_INFO;
+ virgl_renderer_resource_get_map_info(mblob.resource_id, &resp.map_info);
+ virtio_gpu_ctrl_response(g, cmd, &resp.hdr, sizeof(resp));
+
+ res->mapped = true;
+}
+
+static void virgl_cmd_resource_unmap_blob(VirtIOGPU *g,
+ struct virtio_gpu_ctrl_command *cmd)
+{
+ struct virtio_gpu_simple_resource *res;
+ struct virtio_gpu_resource_unmap_blob ublob;
+ VIRTIO_GPU_FILL_CMD(ublob);
+ virtio_gpu_unmap_blob_bswap(&ublob);
+
+ if (ublob.resource_id == 0) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n",
+ __func__);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ res = virtio_gpu_find_resource(g, ublob.resource_id);
+ if (!res) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not exist %d\n",
+ __func__, ublob.resource_id);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ if (!res->mapped) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already unmapped %d\n",
+ __func__, ublob.resource_id);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ memory_region_set_enabled(&res->region, false);
+ memory_region_del_subregion(&g->parent_obj.hostmem, &res->region);
+ object_unparent(OBJECT(&res->region));
+
+ virgl_renderer_resource_unmap(ublob.resource_id);
+
+ res->mapped = false;
+}
+
+#endif /* HAVE_VIRGL_RESOURCE_BLOB */
+
void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
@@ -464,6 +622,17 @@ 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_RESOURCE_CREATE_BLOB:
+ virgl_cmd_resource_create_blob(g, cmd);
+ break;
+ case VIRTIO_GPU_CMD_RESOURCE_MAP_BLOB:
+ virgl_cmd_resource_map_blob(g, cmd);
+ break;
+ case VIRTIO_GPU_CMD_RESOURCE_UNMAP_BLOB:
+ virgl_cmd_resource_unmap_blob(g, cmd);
+ break;
+#endif /* HAVE_VIRGL_RESOURCE_BLOB */
default:
cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
break;
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 506b3b8eef..527c0aeede 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -33,8 +33,6 @@
#define VIRTIO_GPU_VM_VERSION 1
-static struct virtio_gpu_simple_resource*
-virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id);
static struct virtio_gpu_simple_resource *
virtio_gpu_find_check_resource(VirtIOGPU *g, uint32_t resource_id,
bool require_backing,
@@ -115,7 +113,7 @@ static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor)
cursor->resource_id ? 1 : 0);
}
-static struct virtio_gpu_simple_resource *
+struct virtio_gpu_simple_resource *
virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id)
{
struct virtio_gpu_simple_resource *res;
@@ -1323,10 +1321,12 @@ void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
return;
}
+#ifndef HAVE_VIRGL_RESOURCE_BLOB
if (virtio_gpu_virgl_enabled(g->parent_obj.conf)) {
- error_setg(errp, "blobs and virgl are not compatible (yet)");
+ error_setg(errp, "Linked virglrenderer does not support blob resources");
return;
}
+#endif
}
if (!virtio_gpu_base_device_realize(qdev,
diff --git a/include/hw/virtio/virtio-gpu-bswap.h b/include/hw/virtio/virtio-gpu-bswap.h
index 9124108485..dd1975e2d4 100644
--- a/include/hw/virtio/virtio-gpu-bswap.h
+++ b/include/hw/virtio/virtio-gpu-bswap.h
@@ -63,10 +63,28 @@ virtio_gpu_create_blob_bswap(struct virtio_gpu_resource_create_blob *cblob)
{
virtio_gpu_ctrl_hdr_bswap(&cblob->hdr);
le32_to_cpus(&cblob->resource_id);
+ le32_to_cpus(&cblob->blob_mem);
le32_to_cpus(&cblob->blob_flags);
+ le32_to_cpus(&cblob->nr_entries);
+ le64_to_cpus(&cblob->blob_id);
le64_to_cpus(&cblob->size);
}
+static inline void
+virtio_gpu_map_blob_bswap(struct virtio_gpu_resource_map_blob *mblob)
+{
+ virtio_gpu_ctrl_hdr_bswap(&mblob->hdr);
+ le32_to_cpus(&mblob->resource_id);
+ le64_to_cpus(&mblob->offset);
+}
+
+static inline void
+virtio_gpu_unmap_blob_bswap(struct virtio_gpu_resource_unmap_blob *ublob)
+{
+ virtio_gpu_ctrl_hdr_bswap(&ublob->hdr);
+ le32_to_cpus(&ublob->resource_id);
+}
+
static inline void
virtio_gpu_scanout_blob_bswap(struct virtio_gpu_set_scanout_blob *ssb)
{
diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index eafce75b04..4f4cabf3b3 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -55,6 +55,9 @@ struct virtio_gpu_simple_resource {
int dmabuf_fd;
uint8_t *remapped;
+ MemoryRegion region;
+ bool mapped;
+
QTAILQ_ENTRY(virtio_gpu_simple_resource) next;
};
@@ -245,6 +248,9 @@ void virtio_gpu_base_fill_display_info(VirtIOGPUBase *g,
struct virtio_gpu_resp_display_info *dpy_info);
/* virtio-gpu.c */
+struct virtio_gpu_simple_resource *
+virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id);
+
void virtio_gpu_ctrl_response(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd,
struct virtio_gpu_ctrl_hdr *resp,
diff --git a/meson.build b/meson.build
index 20fddbd707..058fe03fd7 100644
--- a/meson.build
+++ b/meson.build
@@ -718,6 +718,11 @@ if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
method: 'pkg-config',
required: get_option('virglrenderer'),
kwargs: static_kwargs)
+
+ config_host_data.set('HAVE_VIRGL_RESOURCE_BLOB',
+ cc.has_function('virgl_renderer_resource_create_blob',
+ prefix: '#include <virglrenderer.h>',
+ dependencies: virgl))
endif
curl = not_found
if not get_option('curl').auto() or have_block
--
2.34.1
Hi
On Mon, Aug 29, 2022 at 7:44 PM Antonio Caggiano <
antonio.caggiano@collabora.com> wrote:
> Support BLOB resources creation by calling
> virgl_renderer_resource_create_blob.
>
> Signed-off-by: Antonio Caggiano <antonio.caggiano@collabora.com>
> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
> ---
> hw/display/virtio-gpu-virgl.c | 169 +++++++++++++++++++++++++++
> hw/display/virtio-gpu.c | 8 +-
> include/hw/virtio/virtio-gpu-bswap.h | 18 +++
> include/hw/virtio/virtio-gpu.h | 6 +
> meson.build | 5 +
> 5 files changed, 202 insertions(+), 4 deletions(-)
>
> diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c
> index 73cb92c8d5..c4c2c31d76 100644
> --- a/hw/display/virtio-gpu-virgl.c
> +++ b/hw/display/virtio-gpu-virgl.c
> @@ -16,6 +16,8 @@
> #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-iommu.h"
>
> #include <virglrenderer.h>
>
> @@ -398,6 +400,162 @@ static void virgl_cmd_get_capset(VirtIOGPU *g,
> g_free(resp);
> }
>
> +#ifdef HAVE_VIRGL_RESOURCE_BLOB
> +
> +static void virgl_cmd_resource_create_blob(VirtIOGPU *g,
> + struct virtio_gpu_ctrl_command
> *cmd)
> +{
> + struct virtio_gpu_simple_resource *res;
> + struct virtio_gpu_resource_create_blob cblob;
> + int ret;
> +
> + VIRTIO_GPU_FILL_CMD(cblob);
> + virtio_gpu_create_blob_bswap(&cblob);
> + trace_virtio_gpu_cmd_res_create_blob(cblob.resource_id, cblob.size);
> +
> + if (cblob.resource_id == 0) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not
> allowed\n",
> + __func__);
> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
> + return;
> + }
> +
> + res = virtio_gpu_find_resource(g, cblob.resource_id);
> + if (res) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n",
> + __func__, cblob.resource_id);
> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
> + return;
> + }
> +
> + res = g_new0(struct virtio_gpu_simple_resource, 1);
> + res->resource_id = cblob.resource_id;
> + res->blob_size = cblob.size;
> +
> + if (res->iov) {
> + cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
>
res is leaked
> + return;
> + }
> +
> + if (cblob.blob_mem != VIRTIO_GPU_BLOB_MEM_HOST3D) {
> + ret = virtio_gpu_create_mapping_iov(g, cblob.nr_entries,
> sizeof(cblob),
> + cmd, &res->addrs, &res->iov,
> + &res->iov_cnt);
> + if (ret != 0) {
> + cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
>
same
> + return;
> + }
> + }
> +
> + if (cblob.blob_mem == VIRTIO_GPU_BLOB_MEM_GUEST) {
> + virtio_gpu_init_udmabuf(res);
>
I wonder what happens when the command fails, but this is ignored by
virtio_gpu_resource_create_blob as well, ok.
> + }
> + QTAILQ_INSERT_HEAD(&g->reslist, res, next);
> +
> + const struct virgl_renderer_resource_create_blob_args virgl_args = {
> + .res_handle = cblob.resource_id,
> + .ctx_id = cblob.hdr.ctx_id,
> + .blob_mem = cblob.blob_mem,
> + .blob_id = cblob.blob_id,
> + .blob_flags = cblob.blob_flags,
> + .size = cblob.size,
> + .iovecs = res->iov,
> + .num_iovs = res->iov_cnt,
> + };
> + ret = virgl_renderer_resource_create_blob(&virgl_args);
> + if (ret) {
> + g_print("Virgl blob create error: %s\n", strerror(-ret));
>
why g_print? If not qemu_log_mask, then warn_report() perhaps?
> + }
> +}
> +
> +static void virgl_cmd_resource_map_blob(VirtIOGPU *g,
> + struct virtio_gpu_ctrl_command
> *cmd)
> +{
> + struct virtio_gpu_simple_resource *res;
> + struct virtio_gpu_resource_map_blob mblob;
> + int ret;
> + void *data;
> + uint64_t size;
> + struct virtio_gpu_resp_map_info resp;
> +
> + VIRTIO_GPU_FILL_CMD(mblob);
> + virtio_gpu_map_blob_bswap(&mblob);
> +
> + if (mblob.resource_id == 0) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not
> allowed\n",
> + __func__);
> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
> + return;
> + }
> +
> + res = virtio_gpu_find_resource(g, mblob.resource_id);
> + if (!res) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not exist %d\n",
> + __func__, mblob.resource_id);
> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
> + return;
> + }
> +
> + ret = virgl_renderer_resource_map(res->resource_id, &data, &size);
> + if (ret) {
> + g_print("Virgl blob resource map error: %s\n", strerror(-ret));
>
same about g_print
> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
> + return;
> + }
> +
> + memory_region_init_ram_device_ptr(&res->region, OBJECT(g), NULL,
> size, data);
> + memory_region_add_subregion(&g->parent_obj.hostmem, mblob.offset,
> &res->region);
> + memory_region_set_enabled(&res->region, true);
> +
> + memset(&resp, 0, sizeof(resp));
> + resp.hdr.type = VIRTIO_GPU_RESP_OK_MAP_INFO;
> + virgl_renderer_resource_get_map_info(mblob.resource_id,
> &resp.map_info);
> + virtio_gpu_ctrl_response(g, cmd, &resp.hdr, sizeof(resp));
> +
> + res->mapped = true;
> +}
> +
> +static void virgl_cmd_resource_unmap_blob(VirtIOGPU *g,
> + struct virtio_gpu_ctrl_command
> *cmd)
> +{
> + struct virtio_gpu_simple_resource *res;
> + struct virtio_gpu_resource_unmap_blob ublob;
> + VIRTIO_GPU_FILL_CMD(ublob);
> + virtio_gpu_unmap_blob_bswap(&ublob);
> +
> + if (ublob.resource_id == 0) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not
> allowed\n",
> + __func__);
> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
> + return;
> + }
> +
> + res = virtio_gpu_find_resource(g, ublob.resource_id);
> + if (!res) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not exist %d\n",
> + __func__, ublob.resource_id);
> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
> + return;
> + }
> +
> + if (!res->mapped) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already unmapped
> %d\n",
> + __func__, ublob.resource_id);
> + cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
> + return;
> + }
> +
> + memory_region_set_enabled(&res->region, false);
> + memory_region_del_subregion(&g->parent_obj.hostmem, &res->region);
> + object_unparent(OBJECT(&res->region));
> +
> + virgl_renderer_resource_unmap(ublob.resource_id);
>
Shouldn't the mapped resources be unmap during unrealize?
> +
> + res->mapped = false;
> +}
> +
> +#endif /* HAVE_VIRGL_RESOURCE_BLOB */
> +
> void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
> struct virtio_gpu_ctrl_command *cmd)
> {
> @@ -464,6 +622,17 @@ 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_RESOURCE_CREATE_BLOB:
> + virgl_cmd_resource_create_blob(g, cmd);
> + break;
> + case VIRTIO_GPU_CMD_RESOURCE_MAP_BLOB:
> + virgl_cmd_resource_map_blob(g, cmd);
> + break;
> + case VIRTIO_GPU_CMD_RESOURCE_UNMAP_BLOB:
> + virgl_cmd_resource_unmap_blob(g, cmd);
> + break;
> +#endif /* HAVE_VIRGL_RESOURCE_BLOB */
> default:
> cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
> break;
> diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
> index 506b3b8eef..527c0aeede 100644
> --- a/hw/display/virtio-gpu.c
> +++ b/hw/display/virtio-gpu.c
> @@ -33,8 +33,6 @@
>
> #define VIRTIO_GPU_VM_VERSION 1
>
> -static struct virtio_gpu_simple_resource*
> -virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id);
> static struct virtio_gpu_simple_resource *
> virtio_gpu_find_check_resource(VirtIOGPU *g, uint32_t resource_id,
> bool require_backing,
> @@ -115,7 +113,7 @@ static void update_cursor(VirtIOGPU *g, struct
> virtio_gpu_update_cursor *cursor)
> cursor->resource_id ? 1 : 0);
> }
>
> -static struct virtio_gpu_simple_resource *
> +struct virtio_gpu_simple_resource *
> virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id)
> {
> struct virtio_gpu_simple_resource *res;
> @@ -1323,10 +1321,12 @@ void virtio_gpu_device_realize(DeviceState *qdev,
> Error **errp)
> return;
> }
>
> +#ifndef HAVE_VIRGL_RESOURCE_BLOB
> if (virtio_gpu_virgl_enabled(g->parent_obj.conf)) {
> - error_setg(errp, "blobs and virgl are not compatible (yet)");
> + error_setg(errp, "Linked virglrenderer does not support blob
> resources");
> return;
> }
> +#endif
> }
>
> if (!virtio_gpu_base_device_realize(qdev,
> diff --git a/include/hw/virtio/virtio-gpu-bswap.h
> b/include/hw/virtio/virtio-gpu-bswap.h
> index 9124108485..dd1975e2d4 100644
> --- a/include/hw/virtio/virtio-gpu-bswap.h
> +++ b/include/hw/virtio/virtio-gpu-bswap.h
> @@ -63,10 +63,28 @@ virtio_gpu_create_blob_bswap(struct
> virtio_gpu_resource_create_blob *cblob)
> {
> virtio_gpu_ctrl_hdr_bswap(&cblob->hdr);
> le32_to_cpus(&cblob->resource_id);
> + le32_to_cpus(&cblob->blob_mem);
> le32_to_cpus(&cblob->blob_flags);
> + le32_to_cpus(&cblob->nr_entries);
> + le64_to_cpus(&cblob->blob_id);
> le64_to_cpus(&cblob->size);
> }
>
> +static inline void
> +virtio_gpu_map_blob_bswap(struct virtio_gpu_resource_map_blob *mblob)
> +{
> + virtio_gpu_ctrl_hdr_bswap(&mblob->hdr);
> + le32_to_cpus(&mblob->resource_id);
> + le64_to_cpus(&mblob->offset);
> +}
> +
> +static inline void
> +virtio_gpu_unmap_blob_bswap(struct virtio_gpu_resource_unmap_blob *ublob)
> +{
> + virtio_gpu_ctrl_hdr_bswap(&ublob->hdr);
> + le32_to_cpus(&ublob->resource_id);
> +}
> +
> static inline void
> virtio_gpu_scanout_blob_bswap(struct virtio_gpu_set_scanout_blob *ssb)
> {
> diff --git a/include/hw/virtio/virtio-gpu.h
> b/include/hw/virtio/virtio-gpu.h
> index eafce75b04..4f4cabf3b3 100644
> --- a/include/hw/virtio/virtio-gpu.h
> +++ b/include/hw/virtio/virtio-gpu.h
> @@ -55,6 +55,9 @@ struct virtio_gpu_simple_resource {
> int dmabuf_fd;
> uint8_t *remapped;
>
> + MemoryRegion region;
> + bool mapped;
> +
> QTAILQ_ENTRY(virtio_gpu_simple_resource) next;
> };
>
> @@ -245,6 +248,9 @@ void virtio_gpu_base_fill_display_info(VirtIOGPUBase
> *g,
> struct virtio_gpu_resp_display_info *dpy_info);
>
> /* virtio-gpu.c */
> +struct virtio_gpu_simple_resource *
> +virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id);
> +
> void virtio_gpu_ctrl_response(VirtIOGPU *g,
> struct virtio_gpu_ctrl_command *cmd,
> struct virtio_gpu_ctrl_hdr *resp,
> diff --git a/meson.build b/meson.build
> index 20fddbd707..058fe03fd7 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -718,6 +718,11 @@ if not get_option('virglrenderer').auto() or
> have_system or have_vhost_user_gpu
> method: 'pkg-config',
> required: get_option('virglrenderer'),
> kwargs: static_kwargs)
> +
> + config_host_data.set('HAVE_VIRGL_RESOURCE_BLOB',
> +
> cc.has_function('virgl_renderer_resource_create_blob',
> + prefix: '#include
> <virglrenderer.h>',
> + dependencies: virgl))
> endif
> curl = not_found
> if not get_option('curl').auto() or have_block
> --
> 2.34.1
>
>
>
--
Marc-André Lureau
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