From: Flora Cui <flora.cui@xxxxxxx>
Signed-off-by: Flora Cui <flora.cui at amd.com>
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan at amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
---
drivers/gpu/drm/amd/include/kgd_kfd_interface.h | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
index fe3079a..3a93ffe 100644
--- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
@@ -46,6 +46,20 @@ enum kfd_preempt_type {
KFD_PREEMPT_TYPE_WAVEFRONT_RESET,
};
+struct kfd_cu_info {
+ uint32_t num_shader_engines;
+ uint32_t num_shader_arrays_per_engine;
+ uint32_t num_cu_per_sh;
+ uint32_t cu_active_number;
+ uint32_t cu_ao_mask;
+ uint32_t simd_per_cu;
+ uint32_t max_waves_per_simd;
+ uint32_t wave_front_size;
+ uint32_t max_scratch_slots_per_cu;
+ uint32_t lds_size;
+ uint32_t cu_bitmap[4][4];
+};
+
enum kgd_memory_pool {
KGD_POOL_SYSTEM_CACHEABLE = 1,
KGD_POOL_SYSTEM_WRITECOMBINE = 2,
@@ -153,6 +167,8 @@ struct tile_config {
*
* @get_tile_config: Returns GPU-specific tiling mode information
*
+ * @get_cu_info: Retrieves activated cu info
+ *
* This structure contains function pointers to services that the kgd driver
* provides to amdkfd driver.
*
@@ -239,6 +255,9 @@ struct kfd2kgd_calls {
void (*set_scratch_backing_va)(struct kgd_dev *kgd,
uint64_t va, uint32_t vmid);
int (*get_tile_config)(struct kgd_dev *kgd, struct tile_config *config);
+
+ void (*get_cu_info)(struct kgd_dev *kgd,
+ struct kfd_cu_info *cu_info);
};
/**
--
2.7.4
