Merge tag 'gpu-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

virtio-gpu rutabaga support

# -----BEGIN PGP SIGNATURE-----
#
# iQJQBAABCAA6FiEEh6m9kz+HxgbSdvYt2ujhCXWWnOUFAmUtP5YcHG1hcmNhbmRy
# ZS5sdXJlYXVAcmVkaGF0LmNvbQAKCRDa6OEJdZac5X9CD/4s1n/GZyDr9bh04V03
# otAqtq2CSyuUOviqBrqxYgraCosUD1AuX8WkDy5cCPtnKC4FxRjgVlm9s7K/yxOW
# xZ78e4oVgB1F3voOq6LgtKK6BRG/BPqNzq9kuGcayCHQbSxg7zZVwa702Y18r2ZD
# pjOhbZCrJTSfASL7C3e/rm7798Wk/hzSrClGR56fbRAVgQ6Lww2L97/g0nHyDsWK
# DrCBrdqFtKjpLeUHmcqqS4AwdpG2SyCgqE7RehH/wOhvGTxh/JQvHbLGWK2mDC3j
# Qvs8mClC5bUlyNQuUz7lZtXYpzCW6VGMWlz8bIu+ncgSt6RK1TRbdEfDJPGoS4w9
# ZCGgcTxTG/6BEO76J/VpydfTWDo1FwQCQ0Vv7EussGoRTLrFC3ZRFgDWpqCw85yi
# AjPtc0C49FHBZhK0l1CoJGV4gGTDtD9jTYN0ffsd+aQesOjcsgivAWBaCOOQWUc8
# KOv9sr4kLLxcnuCnP7p/PuVRQD4eg0TmpdS8bXfnCzLSH8fCm+n76LuJEpGxEBey
# 3KPJPj/1BNBgVgew+znSLD/EYM6YhdK2gF5SNrYsdR6UcFdrPED/xmdhzFBeVym/
# xbBWqicDw4HLn5YrJ4tzqXje5XUz5pmJoT5zrRMXTHiu4pjBkEXO/lOdAoFwSy8M
# WNOtmSyB69uCrbyLw6xE2/YX8Q==
# =5a/Z
# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 16 Oct 2023 09:50:14 EDT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'gpu-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  docs/system: add basic virtio-gpu documentation
  gfxstream + rutabaga: enable rutabaga
  gfxstream + rutabaga: meson support
  gfxstream + rutabaga: add initial support for gfxstream
  gfxstream + rutabaga prep: added need defintions, fields, and options
  virtio-gpu: blob prep
  virtio-gpu: hostmem
  virtio-gpu: CONTEXT_INIT feature
  virtio: Add shared memory capability

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

3 files changed, 59 insertions, 0 deletions

diff --git a/include/hw/virtio/virtio-gpu-bswap.h b/include/hw/virtio/virtio-gpu-bswap.h
index 637a058..dd1975e 100644
--- a/include/hw/virtio/virtio-gpu-bswap.h
+++ b/include/hw/virtio/virtio-gpu-bswap.h
@@ -71,6 +71,21 @@ virtio_gpu_create_blob_bswap(struct virtio_gpu_resource_create_blob *cblob)
 }
 
 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)
 {
     virtio_gpu_bswap_32(ssb, sizeof(*ssb) - sizeof(ssb->offsets[3]));
diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index 4739fa4..584ba2e 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -38,6 +38,9 @@ OBJECT_DECLARE_SIMPLE_TYPE(VirtIOGPUGL, VIRTIO_GPU_GL)
 #define TYPE_VHOST_USER_GPU "vhost-user-gpu"
 OBJECT_DECLARE_SIMPLE_TYPE(VhostUserGPU, VHOST_USER_GPU)
 
+#define TYPE_VIRTIO_GPU_RUTABAGA "virtio-gpu-rutabaga-device"
+OBJECT_DECLARE_SIMPLE_TYPE(VirtIOGPURutabaga, VIRTIO_GPU_RUTABAGA)
+
 struct virtio_gpu_simple_resource {
     uint32_t resource_id;
     uint32_t width;
@@ -93,6 +96,8 @@ enum virtio_gpu_base_conf_flags {
     VIRTIO_GPU_FLAG_EDID_ENABLED,
     VIRTIO_GPU_FLAG_DMABUF_ENABLED,
     VIRTIO_GPU_FLAG_BLOB_ENABLED,
+    VIRTIO_GPU_FLAG_CONTEXT_INIT_ENABLED,
+    VIRTIO_GPU_FLAG_RUTABAGA_ENABLED,
 };
 
 #define virtio_gpu_virgl_enabled(_cfg) \
@@ -105,12 +110,19 @@ enum virtio_gpu_base_conf_flags {
     (_cfg.flags & (1 << VIRTIO_GPU_FLAG_DMABUF_ENABLED))
 #define virtio_gpu_blob_enabled(_cfg) \
     (_cfg.flags & (1 << VIRTIO_GPU_FLAG_BLOB_ENABLED))
+#define virtio_gpu_context_init_enabled(_cfg) \
+    (_cfg.flags & (1 << VIRTIO_GPU_FLAG_CONTEXT_INIT_ENABLED))
+#define virtio_gpu_rutabaga_enabled(_cfg) \
+    (_cfg.flags & (1 << VIRTIO_GPU_FLAG_RUTABAGA_ENABLED))
+#define virtio_gpu_hostmem_enabled(_cfg) \
+    (_cfg.hostmem > 0)
 
 struct virtio_gpu_base_conf {
     uint32_t max_outputs;
     uint32_t flags;
     uint32_t xres;
     uint32_t yres;
+    uint64_t hostmem;
 };
 
 struct virtio_gpu_ctrl_command {
@@ -134,6 +146,8 @@ struct VirtIOGPUBase {
     int renderer_blocked;
     int enable;
 
+    MemoryRegion hostmem;
+
     struct virtio_gpu_scanout scanout[VIRTIO_GPU_MAX_SCANOUTS];
 
     int enabled_output_bitmask;
@@ -224,6 +238,27 @@ struct VhostUserGPU {
     bool backend_blocked;
 };
 
+#define MAX_SLOTS 4096
+
+struct MemoryRegionInfo {
+    int used;
+    MemoryRegion mr;
+    uint32_t resource_id;
+};
+
+struct rutabaga;
+
+struct VirtIOGPURutabaga {
+    VirtIOGPU parent_obj;
+    struct MemoryRegionInfo memory_regions[MAX_SLOTS];
+    uint64_t capset_mask;
+    char *wayland_socket_path;
+    char *wsi;
+    bool headless;
+    uint32_t num_capsets;
+    struct rutabaga *rutabaga;
+};
+
 #define VIRTIO_GPU_FILL_CMD(out) do {                                   \
         size_t virtiogpufillcmd_s_ =                                    \
             iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 0,          \
@@ -249,6 +284,9 @@ void virtio_gpu_base_fill_display_info(VirtIOGPUBase *g,
 void virtio_gpu_base_generate_edid(VirtIOGPUBase *g, int scanout,
                                    struct virtio_gpu_resp_edid *edid);
 /* 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,
@@ -267,6 +305,8 @@ int virtio_gpu_create_mapping_iov(VirtIOGPU *g,
                                   uint32_t *niov);
 void virtio_gpu_cleanup_mapping_iov(VirtIOGPU *g,
                                     struct iovec *iov, uint32_t count);
+void virtio_gpu_cleanup_mapping(VirtIOGPU *g,
+                                struct virtio_gpu_simple_resource *res);
 void virtio_gpu_process_cmdq(VirtIOGPU *g);
 void virtio_gpu_device_realize(DeviceState *qdev, Error **errp);
 void virtio_gpu_reset(VirtIODevice *vdev);
diff --git a/include/hw/virtio/virtio-pci.h b/include/hw/virtio/virtio-pci.h
index ab2051b..5a3f182 100644
--- a/include/hw/virtio/virtio-pci.h
+++ b/include/hw/virtio/virtio-pci.h
@@ -264,4 +264,8 @@ unsigned virtio_pci_optimal_num_queues(unsigned fixed_queues);
 void virtio_pci_set_guest_notifier_fd_handler(VirtIODevice *vdev, VirtQueue *vq,
                                               int n, bool assign,
                                               bool with_irqfd);
+
+int virtio_pci_add_shm_cap(VirtIOPCIProxy *proxy, uint8_t bar, uint64_t offset,
+                           uint64_t length, uint8_t id);
+
 #endif