diff options
Diffstat (limited to 'include/hw/virtio')
| -rw-r--r-- | include/hw/virtio/virtio-gpu.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h new file mode 100644 index 0000000000..b8c9244b21 --- /dev/null +++ b/include/hw/virtio/virtio-gpu.h @@ -0,0 +1,145 @@ +/* + * Virtio GPU Device + * + * Copyright Red Hat, Inc. 2013-2014 + * + * Authors: + * Dave Airlie <airlied@redhat.com> + * Gerd Hoffmann <kraxel@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2. + * See the COPYING file in the top-level directory. + */ + +#ifndef _QEMU_VIRTIO_VGA_H +#define _QEMU_VIRTIO_VGA_H + +#include "qemu/queue.h" +#include "ui/qemu-pixman.h" +#include "ui/console.h" +#include "hw/virtio/virtio.h" +#include "hw/pci/pci.h" + +#include "standard-headers/linux/virtio_gpu.h" +#define TYPE_VIRTIO_GPU "virtio-gpu-device" +#define VIRTIO_GPU(obj) \ + OBJECT_CHECK(VirtIOGPU, (obj), TYPE_VIRTIO_GPU) + +#define VIRTIO_ID_GPU 16 + +#define VIRTIO_GPU_MAX_SCANOUT 4 + +struct virtio_gpu_simple_resource { + uint32_t resource_id; + uint32_t width; + uint32_t height; + uint32_t format; + struct iovec *iov; + unsigned int iov_cnt; + uint32_t scanout_bitmask; + pixman_image_t *image; + QTAILQ_ENTRY(virtio_gpu_simple_resource) next; +}; + +struct virtio_gpu_scanout { + QemuConsole *con; + DisplaySurface *ds; + uint32_t width, height; + int x, y; + int invalidate; + uint32_t resource_id; + QEMUCursor *current_cursor; +}; + +struct virtio_gpu_requested_state { + uint32_t width, height; + int x, y; +}; + +struct virtio_gpu_conf { + uint32_t max_outputs; +}; + +struct virtio_gpu_ctrl_command { + VirtQueueElement elem; + VirtQueue *vq; + struct virtio_gpu_ctrl_hdr cmd_hdr; + uint32_t error; + bool finished; + QTAILQ_ENTRY(virtio_gpu_ctrl_command) next; +}; + +typedef struct VirtIOGPU { + VirtIODevice parent_obj; + + QEMUBH *ctrl_bh; + QEMUBH *cursor_bh; + VirtQueue *ctrl_vq; + VirtQueue *cursor_vq; + + int enable; + + int config_size; + DeviceState *qdev; + + QTAILQ_HEAD(, virtio_gpu_simple_resource) reslist; + QTAILQ_HEAD(, virtio_gpu_ctrl_command) fenceq; + + struct virtio_gpu_scanout scanout[VIRTIO_GPU_MAX_SCANOUT]; + struct virtio_gpu_requested_state req_state[VIRTIO_GPU_MAX_SCANOUT]; + + struct virtio_gpu_conf conf; + int enabled_output_bitmask; + struct virtio_gpu_config virtio_config; + + QEMUTimer *fence_poll; + QEMUTimer *print_stats; + + struct { + uint32_t inflight; + uint32_t max_inflight; + uint32_t requests; + uint32_t req_3d; + uint32_t bytes_3d; + } stats; +} VirtIOGPU; + +extern const GraphicHwOps virtio_gpu_ops; + +/* to share between PCI and VGA */ +#define DEFINE_VIRTIO_GPU_PCI_PROPERTIES(_state) \ + DEFINE_PROP_BIT("ioeventfd", _state, flags, \ + VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, false), \ + DEFINE_PROP_UINT32("vectors", _state, nvectors, 3) + +#define DEFINE_VIRTIO_GPU_PROPERTIES(_state, _conf_field) \ + DEFINE_PROP_UINT32("max_outputs", _state, _conf_field.max_outputs, 1) + +#define VIRTIO_GPU_FILL_CMD(out) do { \ + size_t s; \ + s = iov_to_buf(cmd->elem.out_sg, cmd->elem.out_num, 0, \ + &out, sizeof(out)); \ + if (s != sizeof(out)) { \ + qemu_log_mask(LOG_GUEST_ERROR, \ + "%s: command size incorrect %zu vs %zu\n", \ + __func__, s, sizeof(out)); \ + return; \ + } \ + } while (0) + +/* virtio-gpu.c */ +void virtio_gpu_ctrl_response(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd, + struct virtio_gpu_ctrl_hdr *resp, + size_t resp_len); +void virtio_gpu_ctrl_response_nodata(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd, + enum virtio_gpu_ctrl_type type); +void virtio_gpu_get_display_info(VirtIOGPU *g, + struct virtio_gpu_ctrl_command *cmd); +int virtio_gpu_create_mapping_iov(struct virtio_gpu_resource_attach_backing *ab, + struct virtio_gpu_ctrl_command *cmd, + struct iovec **iov); +void virtio_gpu_cleanup_mapping_iov(struct iovec *iov, uint32_t count); + +#endif |