diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h index 953e1d06de20..140bc9cd57b4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h @@ -31,13 +31,20 @@ #include <linux/interval_tree.h> #include <linux/mmu_notifier.h> +struct amdgpu_hmm_range { + struct hmm_range hmm_range; + struct amdgpu_bo *bo; +}; + int amdgpu_hmm_range_get_pages(struct mmu_interval_notifier *notifier, uint64_t start, uint64_t npages, bool readonly, void *owner, - struct hmm_range **phmm_range); -bool amdgpu_hmm_range_get_pages_done(struct hmm_range *hmm_range); + struct amdgpu_hmm_range *range); #if defined(CONFIG_HMM_MIRROR) +bool amdgpu_hmm_range_valid(struct amdgpu_hmm_range *range); +struct amdgpu_hmm_range *amdgpu_hmm_range_alloc(struct amdgpu_bo *bo); +void amdgpu_hmm_range_free(struct amdgpu_hmm_range *range); int amdgpu_hmm_register(struct amdgpu_bo *bo, unsigned long addr); void amdgpu_hmm_unregister(struct amdgpu_bo *bo); #else @@ -47,7 +54,20 @@ static inline int amdgpu_hmm_register(struct amdgpu_bo *bo, unsigned long addr) "add CONFIG_ZONE_DEVICE=y in config file to fix this\n"); return -ENODEV; } + static inline void amdgpu_hmm_unregister(struct amdgpu_bo *bo) {} + +static inline bool amdgpu_hmm_range_valid(struct amdgpu_hmm_range *range) +{ + return false; +} + +static inline struct amdgpu_hmm_range *amdgpu_hmm_range_alloc(struct amdgpu_bo *bo) +{ + return NULL; +} + +static inline void amdgpu_hmm_range_free(struct amdgpu_hmm_range *range) {} #endif #endif |