| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SRC_VIRTUALIZATION_BIN_VMM_CONTROLLER_VIRTIO_GPU_H_ |
| #define SRC_VIRTUALIZATION_BIN_VMM_CONTROLLER_VIRTIO_GPU_H_ |
| |
| #include <fuchsia/sys/cpp/fidl.h> |
| #include <fuchsia/virtualization/hardware/cpp/fidl.h> |
| #include <lib/fidl/cpp/binding.h> |
| #include <lib/sys/cpp/component_context.h> |
| #include <lib/sys/cpp/service_directory.h> |
| |
| #include <virtio/gpu.h> |
| #include <virtio/virtio_ids.h> |
| |
| #include "src/virtualization/bin/vmm/virtio_device.h" |
| |
| static constexpr uint16_t kVirtioGpuNumQueues = 2; |
| |
| class VirtioGpu |
| : public VirtioComponentDevice<VIRTIO_ID_GPU, kVirtioGpuNumQueues, virtio_gpu_config_t> { |
| public: |
| explicit VirtioGpu(const PhysMem& phys_mem); |
| |
| zx_status_t AddPublicService(sys::ComponentContext* context); |
| |
| zx_status_t Start( |
| const zx::guest& guest, |
| fidl::InterfaceHandle<fuchsia::virtualization::hardware::KeyboardListener> keyboard_listener, |
| fidl::InterfaceHandle<fuchsia::virtualization::hardware::PointerListener> pointer_listener, |
| fuchsia::sys::Launcher* launcher, async_dispatcher_t* dispatcher); |
| |
| private: |
| enum class State { |
| NOT_READY, |
| CONFIG_READY, |
| READY, |
| } state_ = State::NOT_READY; |
| std::shared_ptr<sys::ServiceDirectory> services_; |
| fuchsia::sys::ComponentControllerPtr controller_; |
| // Use a sync pointer for consistency of virtual machine execution. |
| fuchsia::virtualization::hardware::VirtioGpuSyncPtr gpu_; |
| fuchsia::virtualization::hardware::VirtioGpuPtr events_; |
| |
| zx_status_t ConfigureQueue(uint16_t queue, uint16_t size, zx_gpaddr_t desc, zx_gpaddr_t avail, |
| zx_gpaddr_t used); |
| zx_status_t Ready(uint32_t negotiated_features); |
| |
| void OnConfigChanged(); |
| }; |
| |
| #endif // SRC_VIRTUALIZATION_BIN_VMM_CONTROLLER_VIRTIO_GPU_H_ |