Merge tag 'drm-amdkfd-next-2018-03-27' of git://people.freedesktop.or…

…g/~gabbayo/linux into drm-next - GPUVM support for dGPUs - KFD events support for dGPUs - Fix live-lock situation when restoring multiple evicted processes - Fix VM page table allocation on large-bar systems - Fix for build failure on frv architecture * tag 'drm-amdkfd-next-2018-03-27' of git://people.freedesktop.org/~gabbayo/linux: drm/amdkfd: Use ordered workqueue to restore processes drm/amdgpu: Fix acquiring VM on large-BAR systems drm/amdkfd: Add module option for testing large-BAR functionality drm/amdkfd: Kmap event page for dGPUs drm/amdkfd: Add ioctls for GPUVM memory management drm/amdkfd: Add TC flush on VMID deallocation for Hawaii drm/amdkfd: Allocate CWSR trap handler memory for dGPUs drm/amdkfd: Add per-process IDR for buffer handles drm/amdkfd: Aperture setup for dGPUs drm/amdkfd: Remove limit on number of GPUs drm/amdkfd: Populate DRM render device minor drm/amdkfd: Create KFD VMs on demand drm/amdgpu: Add kfd2kgd interface to acquire an existing VM drm/amdgpu: Add helper to turn an existing VM into a compute VM drm/amdgpu: Fix initial validation of PD BO for KFD VMs drm/amdgpu: Move KFD-specific fields into struct amdgpu_vm drm/amdkfd: fix uninitialized variable use drm/amdkfd: add missing include of mm.h
thoughtpolice · Mar 28, 2018 · 9f36f9c · 9f36f9c
2 parents cb17aa5 + 1679ae8
commit 9f36f9c
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Showing 19 changed files with 1,398 additions and 165 deletions.
diff --git 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/mm.h>
 #include <linux/mmu_context.h>
 #include <kgd_kfd_interface.h>
 #include <drm/ttm/ttm_execbuf_util.h>
@@ -92,27 +93,6 @@ struct amdkfd_process_info {
 	struct amdgpu_amdkfd_fence *eviction_fence;
 };
 
-/* struct amdkfd_vm -
- * For Memory Eviction KGD requires a mechanism to keep track of all KFD BOs
- * belonging to a KFD process. All the VMs belonging to the same process point
- * to the same amdkfd_process_info.
- */
-struct amdkfd_vm {
-	/* Keep base as the first parameter for pointer compatibility between
-	 * amdkfd_vm and amdgpu_vm.
-	 */
-	struct amdgpu_vm base;
-
-	/* List node in amdkfd_process_info.vm_list_head*/
-	struct list_head vm_list_node;
-
-	struct amdgpu_device *adev;
-	/* Points to the KFD process VM info*/
-	struct amdkfd_process_info *process_info;
-
-	uint64_t pd_phys_addr;
-};
-
 int amdgpu_amdkfd_init(void);
 void amdgpu_amdkfd_fini(void);
 
@@ -165,6 +145,12 @@ uint64_t amdgpu_amdkfd_get_vram_usage(struct kgd_dev *kgd);
 int amdgpu_amdkfd_gpuvm_create_process_vm(struct kgd_dev *kgd, void **vm,
 					  void **process_info,
 					  struct dma_fence **ef);
+int amdgpu_amdkfd_gpuvm_acquire_process_vm(struct kgd_dev *kgd,
+					   struct file *filp,
+					   void **vm, void **process_info,
+					   struct dma_fence **ef);
+void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev,
+				    struct amdgpu_vm *vm);
 void amdgpu_amdkfd_gpuvm_destroy_process_vm(struct kgd_dev *kgd, void *vm);
 uint32_t amdgpu_amdkfd_gpuvm_get_process_page_dir(void *vm);
 int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu(

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
@@ -205,6 +205,7 @@ static const struct kfd2kgd_calls kfd2kgd = {
 	.get_cu_info = get_cu_info,
 	.get_vram_usage = amdgpu_amdkfd_get_vram_usage,
 	.create_process_vm = amdgpu_amdkfd_gpuvm_create_process_vm,
+	.acquire_process_vm = amdgpu_amdkfd_gpuvm_acquire_process_vm,
 	.destroy_process_vm = amdgpu_amdkfd_gpuvm_destroy_process_vm,
 	.get_process_page_dir = amdgpu_amdkfd_gpuvm_get_process_page_dir,
 	.set_vm_context_page_table_base = set_vm_context_page_table_base,

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
@@ -165,6 +165,7 @@ static const struct kfd2kgd_calls kfd2kgd = {
 	.get_cu_info = get_cu_info,
 	.get_vram_usage = amdgpu_amdkfd_get_vram_usage,
 	.create_process_vm = amdgpu_amdkfd_gpuvm_create_process_vm,
+	.acquire_process_vm = amdgpu_amdkfd_gpuvm_acquire_process_vm,
 	.destroy_process_vm = amdgpu_amdkfd_gpuvm_destroy_process_vm,
 	.get_process_page_dir = amdgpu_amdkfd_gpuvm_get_process_page_dir,
 	.set_vm_context_page_table_base = set_vm_context_page_table_base,