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NVDRV: Implement sessions and initial implementation of SMMU

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This commit is contained in:
Fernando Sahmkow 2023-12-24 18:20:02 +01:00 • committed by Liam
parent 2f0418c101
commit 7a9d1ad2f8
37 changed files with 260 additions and 100 deletions
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21
src/core/hle/service/nvnflinger/fb_share_buffer_manager.cpp
View file

@ -87,19 +87,19 @@ Result CreateNvMapHandle(u32* out_nv_map_handle, Nvidia::Devices::nvmap& nvmap,
R_SUCCEED();
}
Result FreeNvMapHandle(Nvidia::Devices::nvmap& nvmap, u32 handle) {
Result FreeNvMapHandle(Nvidia::Devices::nvmap& nvmap, u32 handle, Nvidia::DeviceFD nvmap_fd) {
// Free the handle.
Nvidia::Devices::nvmap::IocFreeParams free_params{
.handle = handle,
};
R_UNLESS(nvmap.IocFree(free_params) == Nvidia::NvResult::Success, VI::ResultOperationFailed);
R_UNLESS(nvmap.IocFree(free_params, nvmap_fd) == Nvidia::NvResult::Success, VI::ResultOperationFailed);
// We succeeded.
R_SUCCEED();
}
Result AllocNvMapHandle(Nvidia::Devices::nvmap& nvmap, u32 handle, Common::ProcessAddress buffer,
u32 size) {
u32 size, Nvidia::DeviceFD nvmap_fd) {
// Assign the allocated memory to the handle.
Nvidia::Devices::nvmap::IocAllocParams alloc_params{
.handle = handle,
@ -109,16 +109,15 @@ Result AllocNvMapHandle(Nvidia::Devices::nvmap& nvmap, u32 handle, Common::Proce
.kind = 0,
.address = GetInteger(buffer),
};
R_UNLESS(nvmap.IocAlloc(alloc_params) == Nvidia::NvResult::Success, VI::ResultOperationFailed);
R_UNLESS(nvmap.IocAlloc(alloc_params, nvmap_fd) == Nvidia::NvResult::Success, VI::ResultOperationFailed);
// We succeeded.
R_SUCCEED();
}
Result AllocateHandleForBuffer(u32* out_handle, Nvidia::Module& nvdrv,
Result AllocateHandleForBuffer(u32* out_handle, Nvidia::Module& nvdrv, Nvidia::DeviceFD nvmap_fd,
Common::ProcessAddress buffer, u32 size) {
// Get the nvmap device.
auto nvmap_fd = nvdrv.Open("/dev/nvmap");
auto nvmap = nvdrv.GetDevice<Nvidia::Devices::nvmap>(nvmap_fd);
ASSERT(nvmap != nullptr);
@ -127,11 +126,11 @@ Result AllocateHandleForBuffer(u32* out_handle, Nvidia::Module& nvdrv,
// Ensure we maintain a clean state on failure.
ON_RESULT_FAILURE {
ASSERT(R_SUCCEEDED(FreeNvMapHandle(*nvmap, *out_handle)));
ASSERT(R_SUCCEEDED(FreeNvMapHandle(*nvmap, *out_handle, nvmap_fd)));
};
// Assign the allocated memory to the handle.
R_RETURN(AllocNvMapHandle(*nvmap, *out_handle, buffer, size));
R_RETURN(AllocNvMapHandle(*nvmap, *out_handle, buffer, size, nvmap_fd));
}
constexpr auto SharedBufferBlockLinearFormat = android::PixelFormat::Rgba8888;
@ -197,8 +196,12 @@ Result FbShareBufferManager::Initialize(u64* out_buffer_id, u64* out_layer_id, u
std::addressof(m_buffer_page_group), m_system,
SharedBufferSize));
auto& container = m_nvdrv->GetContainer();
m_session_id = container.OpenSession(m_system.ApplicationProcess());
m_nvmap_fd = m_nvdrv->Open("/dev/nvmap", m_session_id);
// Create an nvmap handle for the buffer and assign the memory to it.
R_TRY(AllocateHandleForBuffer(std::addressof(m_buffer_nvmap_handle), *m_nvdrv, map_address,
R_TRY(AllocateHandleForBuffer(std::addressof(m_buffer_nvmap_handle), *m_nvdrv, m_nvmap_fd, map_address,
SharedBufferSize));
// Record the display id.

5
src/core/hle/service/nvnflinger/fb_share_buffer_manager.h
View file

@ -6,6 +6,7 @@
#include "common/math_util.h"
#include "core/hle/service/nvnflinger/nvnflinger.h"
#include "core/hle/service/nvnflinger/ui/fence.h"
#include "core/hle/service/nvdrv/nvdata.h"
namespace Kernel {
class KPageGroup;
@ -53,13 +54,15 @@ private:
u64 m_layer_id = 0;
u32 m_buffer_nvmap_handle = 0;
SharedMemoryPoolLayout m_pool_layout = {};
Nvidia::DeviceFD m_nvmap_fd = {};
size_t m_session_id = {};
std::unique_ptr<Kernel::KPageGroup> m_buffer_page_group;
std::mutex m_guard;
Core::System& m_system;
Nvnflinger& m_flinger;
std::shared_ptr<Nvidia::Module> m_nvdrv;
};
} // namespace Service::Nvnflinger

2
src/core/hle/service/nvnflinger/nvnflinger.cpp
View file

@ -126,7 +126,7 @@ void Nvnflinger::ShutdownLayers() {
void Nvnflinger::SetNVDrvInstance(std::shared_ptr<Nvidia::Module> instance) {
nvdrv = std::move(instance);
disp_fd = nvdrv->Open("/dev/nvdisp_disp0");
disp_fd = nvdrv->Open("/dev/nvdisp_disp0", 0);
}
std::optional<u64> Nvnflinger::OpenDisplay(std::string_view name) {