#define CIK_PIPE_PER_MEC (4)
struct kgd_mem {
- struct radeon_sa_bo *sa_bo;
- uint64_t gpu_addr;
- void *ptr;
struct radeon_bo *bo;
+ uint64_t gpu_addr;
void *cpu_ptr;
};
-static int init_sa_manager(struct kgd_dev *kgd, unsigned int size);
-static void fini_sa_manager(struct kgd_dev *kgd);
-
-static int allocate_mem(struct kgd_dev *kgd, size_t size, size_t alignment,
- enum kgd_memory_pool pool, struct kgd_mem **mem);
-
-static void free_mem(struct kgd_dev *kgd, struct kgd_mem *mem);
static int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
void **mem_obj, uint64_t *gpu_addr,
unsigned int timeout);
static const struct kfd2kgd_calls kfd2kgd = {
- .init_sa_manager = init_sa_manager,
- .fini_sa_manager = fini_sa_manager,
- .allocate_mem = allocate_mem,
- .free_mem = free_mem,
.init_gtt_mem_allocation = alloc_gtt_mem,
.free_gtt_mem = free_gtt_mem,
.get_vmem_size = get_vmem_size,
return r;
}
-static u32 pool_to_domain(enum kgd_memory_pool p)
-{
- switch (p) {
- case KGD_POOL_FRAMEBUFFER: return RADEON_GEM_DOMAIN_VRAM;
- default: return RADEON_GEM_DOMAIN_GTT;
- }
-}
-
-static int init_sa_manager(struct kgd_dev *kgd, unsigned int size)
-{
- struct radeon_device *rdev = (struct radeon_device *)kgd;
- int r;
-
- BUG_ON(kgd == NULL);
-
- r = radeon_sa_bo_manager_init(rdev, &rdev->kfd_bo,
- size,
- RADEON_GPU_PAGE_SIZE,
- RADEON_GEM_DOMAIN_GTT,
- RADEON_GEM_GTT_WC);
-
- if (r)
- return r;
-
- r = radeon_sa_bo_manager_start(rdev, &rdev->kfd_bo);
- if (r)
- radeon_sa_bo_manager_fini(rdev, &rdev->kfd_bo);
-
- return r;
-}
-
-static void fini_sa_manager(struct kgd_dev *kgd)
-{
- struct radeon_device *rdev = (struct radeon_device *)kgd;
-
- BUG_ON(kgd == NULL);
-
- radeon_sa_bo_manager_suspend(rdev, &rdev->kfd_bo);
- radeon_sa_bo_manager_fini(rdev, &rdev->kfd_bo);
-}
-
-static int allocate_mem(struct kgd_dev *kgd, size_t size, size_t alignment,
- enum kgd_memory_pool pool, struct kgd_mem **mem)
-{
- struct radeon_device *rdev = (struct radeon_device *)kgd;
- u32 domain;
- int r;
-
- BUG_ON(kgd == NULL);
-
- domain = pool_to_domain(pool);
- if (domain != RADEON_GEM_DOMAIN_GTT) {
- dev_err(rdev->dev,
- "Only allowed to allocate gart memory for kfd\n");
- return -EINVAL;
- }
-
- *mem = kmalloc(sizeof(struct kgd_mem), GFP_KERNEL);
- if ((*mem) == NULL)
- return -ENOMEM;
-
- r = radeon_sa_bo_new(rdev, &rdev->kfd_bo, &(*mem)->sa_bo, size,
- alignment);
- if (r) {
- dev_err(rdev->dev, "failed to get memory for kfd (%d)\n", r);
- return r;
- }
-
- (*mem)->ptr = radeon_sa_bo_cpu_addr((*mem)->sa_bo);
- (*mem)->gpu_addr = radeon_sa_bo_gpu_addr((*mem)->sa_bo);
-
- return 0;
-}
-
-static void free_mem(struct kgd_dev *kgd, struct kgd_mem *mem)
-{
- struct radeon_device *rdev = (struct radeon_device *)kgd;
-
- BUG_ON(kgd == NULL);
-
- radeon_sa_bo_free(rdev, &mem->sa_bo, NULL);
- kfree(mem);
-}
-
static int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
void **mem_obj, uint64_t *gpu_addr,
void **cpu_ptr)