diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index 73f83a10ae14..8d689ab7e429 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -26,6 +26,7 @@ #define AMDGPU_AMDKFD_H_INCLUDED #include <linux/types.h> +#include <linux/mmu_context.h> #include <kgd_kfd_interface.h> struct amdgpu_device; @@ -39,8 +40,6 @@ struct kgd_mem { int amdgpu_amdkfd_init(void); void amdgpu_amdkfd_fini(void); -bool amdgpu_amdkfd_load_interface(struct amdgpu_device *adev); - void amdgpu_amdkfd_suspend(struct amdgpu_device *adev); int amdgpu_amdkfd_resume(struct amdgpu_device *adev); void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev, @@ -62,4 +61,19 @@ uint64_t get_gpu_clock_counter(struct kgd_dev *kgd); uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd); +#define read_user_wptr(mmptr, wptr, dst) \ + ({ \ + bool valid = false; \ + if ((mmptr) && (wptr)) { \ + if ((mmptr) == current->mm) { \ + valid = !get_user((dst), (wptr)); \ + } else if (current->mm == NULL) { \ + use_mm(mmptr); \ + valid = !get_user((dst), (wptr)); \ + unuse_mm(mmptr); \ + } \ + } \ + valid; \ + }) + #endif /* AMDGPU_AMDKFD_H_INCLUDED */ |