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path: root/drivers/gpu/drm/amd/amdkfd/kfd_svm.h
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_svm.h')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_svm.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h
index 9e668eeefb32..be11ba0c4289 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h
@@ -78,6 +78,7 @@ struct svm_work_list_item {
* @update_list:link list node used to add to update_list
* @mapping: bo_va mapping structure to create and update GPU page table
* @npages: number of pages
+ * @vram_pages: vram pages number in this svm_range
* @dma_addr: dma mapping address on each GPU for system memory physical page
* @ttm_res: vram ttm resource map
* @offset: range start offset within mm_nodes
@@ -88,7 +89,9 @@ struct svm_work_list_item {
* @flags: flags defined as KFD_IOCTL_SVM_FLAG_*
* @perferred_loc: perferred location, 0 for CPU, or GPU id
* @perfetch_loc: last prefetch location, 0 for CPU, or GPU id
- * @actual_loc: the actual location, 0 for CPU, or GPU id
+ * @actual_loc: this svm_range location. 0: all pages are from sys ram;
+ * GPU id: this svm_range may include vram pages from GPU with
+ * id actual_loc.
* @granularity:migration granularity, log2 num pages
* @invalid: not 0 means cpu page table is invalidated
* @validate_timestamp: system timestamp when range is validated
@@ -112,6 +115,7 @@ struct svm_range {
struct list_head list;
struct list_head update_list;
uint64_t npages;
+ uint64_t vram_pages;
dma_addr_t *dma_addr[MAX_GPU_INSTANCE];
struct ttm_resource *ttm_res;
uint64_t offset;
@@ -132,9 +136,7 @@ struct svm_range {
struct list_head child_list;
DECLARE_BITMAP(bitmap_access, MAX_GPU_INSTANCE);
DECLARE_BITMAP(bitmap_aip, MAX_GPU_INSTANCE);
- bool validated_once;
bool mapped_to_gpu;
- bool is_error_flag;
};
static inline void svm_range_lock(struct svm_range *prange)
@@ -181,9 +183,9 @@ void svm_range_add_list_work(struct svm_range_list *svms,
struct svm_range *prange, struct mm_struct *mm,
enum svm_work_list_ops op);
void schedule_deferred_list_work(struct svm_range_list *svms);
-void svm_range_dma_unmap(struct device *dev, dma_addr_t *dma_addr,
+void svm_range_dma_unmap_dev(struct device *dev, dma_addr_t *dma_addr,
unsigned long offset, unsigned long npages);
-void svm_range_free_dma_mappings(struct svm_range *prange, bool unmap_dma);
+void svm_range_dma_unmap(struct svm_range *prange);
int svm_range_get_info(struct kfd_process *p, uint32_t *num_svm_ranges,
uint64_t *svm_priv_data_size);
int kfd_criu_checkpoint_svm(struct kfd_process *p,