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/*
* Copyright © 2015 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <sys/mman.h>
#include <sys/syscall.h>
#include "util/anon_file.h"
#include "anv_private.h"
static void
stub_gem_close(struct anv_device *device, struct anv_bo *bo)
{
close(bo->gem_handle);
}
static uint32_t
stub_gem_create(struct anv_device *device,
const struct intel_memory_class_instance **regions,
uint16_t num_regions, uint64_t size,
enum anv_bo_alloc_flags alloc_flags,
uint64_t *actual_size)
{
int fd = os_create_anonymous_file(size, "fake bo");
if (fd == -1)
return 0;
assert(fd != 0);
*actual_size = size;
return fd;
}
static void *
stub_gem_mmap(struct anv_device *device, struct anv_bo *bo, uint64_t offset,
uint64_t size, void *placed_addr)
{
return mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, bo->gem_handle,
offset);
}
static VkResult
stub_queue_exec_locked(struct anv_queue *queue,
uint32_t wait_count,
const struct vk_sync_wait *waits,
uint32_t cmd_buffer_count,
struct anv_cmd_buffer **cmd_buffers,
uint32_t signal_count,
const struct vk_sync_signal *signals,
struct anv_query_pool *perf_query_pool,
uint32_t perf_query_pass,
struct anv_utrace_submit *utrace_submit)
{
return VK_ERROR_UNKNOWN;
}
static VkResult
stub_queue_exec_async(struct anv_async_submit *submit,
uint32_t wait_count,
const struct vk_sync_wait *waits,
uint32_t signal_count,
const struct vk_sync_signal *signals)
{
return VK_ERROR_UNKNOWN;
}
static uint32_t
stub_bo_alloc_flags_to_bo_flags(struct anv_device *device,
enum anv_bo_alloc_flags alloc_flags)
{
return 0;
}
static uint32_t
stub_gem_create_userptr(struct anv_device *device, void *mem, uint64_t size)
{
int fd = os_create_anonymous_file(size, "fake bo");
if (fd == -1)
return 0;
assert(fd != 0);
return fd;
}
int
anv_gem_wait(struct anv_device *device, uint32_t gem_handle, int64_t *timeout_ns)
{
return 0;
}
int
anv_gem_set_tiling(struct anv_device *device,
uint32_t gem_handle, uint32_t stride, uint32_t tiling)
{
return 0;
}
int
anv_gem_get_tiling(struct anv_device *device, uint32_t gem_handle)
{
return 0;
}
int
anv_gem_handle_to_fd(struct anv_device *device, uint32_t gem_handle)
{
UNREACHABLE("Unused");
}
uint32_t
anv_gem_fd_to_handle(struct anv_device *device, int fd)
{
UNREACHABLE("Unused");
}
VkResult
anv_gem_import_bo_alloc_flags_to_bo_flags(struct anv_device *device,
struct anv_bo *bo,
enum anv_bo_alloc_flags alloc_flags,
uint32_t *bo_flags)
{
return VK_SUCCESS;
}
static VkResult
stub_vm_bind(struct anv_device *device, struct anv_sparse_submission *submit,
enum anv_vm_bind_flags flags)
{
return VK_SUCCESS;
}
static VkResult
stub_vm_bind_bo(struct anv_device *device, struct anv_bo *bo)
{
return VK_SUCCESS;
}
const struct anv_kmd_backend *anv_stub_kmd_backend_get(void)
{
static const struct anv_kmd_backend stub_backend = {
.gem_create = stub_gem_create,
.gem_create_userptr = stub_gem_create_userptr,
.gem_close = stub_gem_close,
.gem_mmap = stub_gem_mmap,
.vm_bind = stub_vm_bind,
.vm_bind_bo = stub_vm_bind_bo,
.vm_unbind_bo = stub_vm_bind_bo,
.queue_exec_locked = stub_queue_exec_locked,
.queue_exec_async = stub_queue_exec_async,
.bo_alloc_flags_to_bo_flags = stub_bo_alloc_flags_to_bo_flags,
};
return &stub_backend;
}
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