diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_svm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.h | 92 |
1 files changed, 70 insertions, 22 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h index 949b477e2f4c..a63dfc95b602 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h @@ -31,7 +31,6 @@ #include <linux/list.h> #include <linux/mutex.h> #include <linux/sched/mm.h> -#include <linux/hmm.h> #include "amdgpu.h" #include "kfd_priv.h" @@ -46,9 +45,9 @@ struct svm_range_bo { spinlock_t list_lock; struct amdgpu_amdkfd_fence *eviction_fence; struct work_struct eviction_work; - struct svm_range_list *svms; uint32_t evicting; struct work_struct release_work; + struct kfd_node *node; }; enum svm_work_list_ops { @@ -78,6 +77,7 @@ 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 +88,9 @@ 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 +114,7 @@ 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; @@ -125,14 +128,15 @@ struct svm_range { uint32_t actual_loc; uint8_t granularity; atomic_t invalid; - uint64_t validate_timestamp; + ktime_t validate_timestamp; struct mmu_interval_notifier notifier; struct svm_work_list_item work_item; struct list_head deferred_list; 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; + atomic_t queue_refcount; }; static inline void svm_range_lock(struct svm_range *prange) @@ -163,36 +167,47 @@ int svm_ioctl(struct kfd_process *p, enum kfd_ioctl_svm_op op, uint64_t start, struct svm_range *svm_range_from_addr(struct svm_range_list *svms, unsigned long addr, struct svm_range **parent); -struct amdgpu_device *svm_range_get_adev_by_id(struct svm_range *prange, - uint32_t id); -int svm_range_vram_node_new(struct amdgpu_device *adev, - struct svm_range *prange, bool clear); +struct kfd_node *svm_range_get_node_by_id(struct svm_range *prange, + uint32_t gpu_id); +int svm_range_vram_node_new(struct kfd_node *node, struct svm_range *prange, + bool clear); void svm_range_vram_node_free(struct svm_range *prange); -int svm_range_split_by_granularity(struct kfd_process *p, struct mm_struct *mm, - unsigned long addr, struct svm_range *parent, - struct svm_range *prange); -int svm_range_restore_pages(struct amdgpu_device *adev, - unsigned int pasid, uint64_t addr, bool write_fault); +int svm_range_restore_pages(struct amdgpu_device *adev, unsigned int pasid, + uint32_t vmid, uint32_t node_id, uint64_t addr, uint64_t ts, + bool write_fault); int svm_range_schedule_evict_svm_bo(struct amdgpu_amdkfd_fence *fence); 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); -void svm_range_prefault(struct svm_range *prange, struct mm_struct *mm, - void *owner); +void svm_range_dma_unmap(struct svm_range *prange); +void 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, + uint8_t __user *user_priv_data, + uint64_t *priv_offset); +int kfd_criu_restore_svm(struct kfd_process *p, + uint8_t __user *user_priv_ptr, + uint64_t *priv_data_offset, + uint64_t max_priv_data_size); +int kfd_criu_resume_svm(struct kfd_process *p); struct kfd_process_device * -svm_range_get_pdd_by_adev(struct svm_range *prange, struct amdgpu_device *adev); +svm_range_get_pdd_by_node(struct svm_range *prange, struct kfd_node *node); void svm_range_list_lock_and_flush_work(struct svm_range_list *svms, struct mm_struct *mm); /* SVM API and HMM page migration work together, device memory type * is initialized to not 0 when page migration register device memory. */ -#define KFD_IS_SVM_API_SUPPORTED(dev) ((dev)->pgmap.type != 0) +#define KFD_IS_SVM_API_SUPPORTED(adev) ((adev)->kfd.pgmap.type != 0 ||\ + ((adev)->apu_prefer_gtt)) void svm_range_bo_unref_async(struct svm_range_bo *svm_bo); + +void svm_range_set_max_pages(struct amdgpu_device *adev); +int svm_range_switch_xnack_reserve_mem(struct kfd_process *p, bool xnack_enabled); + #else struct kfd_process; @@ -207,8 +222,9 @@ static inline void svm_range_list_fini(struct kfd_process *p) } static inline int svm_range_restore_pages(struct amdgpu_device *adev, - unsigned int pasid, uint64_t addr, - bool write_fault) + unsigned int pasid, + uint32_t client_id, uint32_t node_id, + uint64_t addr, uint64_t ts, bool write_fault) { return -EFAULT; } @@ -220,6 +236,38 @@ static inline int svm_range_schedule_evict_svm_bo( return -EINVAL; } +static inline void svm_range_get_info(struct kfd_process *p, + uint32_t *num_svm_ranges, + uint64_t *svm_priv_data_size) +{ + *num_svm_ranges = 0; + *svm_priv_data_size = 0; +} + +static inline int kfd_criu_checkpoint_svm(struct kfd_process *p, + uint8_t __user *user_priv_data, + uint64_t *priv_offset) +{ + return 0; +} + +static inline int kfd_criu_restore_svm(struct kfd_process *p, + uint8_t __user *user_priv_ptr, + uint64_t *priv_data_offset, + uint64_t max_priv_data_size) +{ + return -EINVAL; +} + +static inline int kfd_criu_resume_svm(struct kfd_process *p) +{ + return 0; +} + +static inline void svm_range_set_max_pages(struct amdgpu_device *adev) +{ +} + #define KFD_IS_SVM_API_SUPPORTED(dev) false #endif /* IS_ENABLED(CONFIG_HSA_AMD_SVM) */ |