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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nouveau_svm.h | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_svm.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_svm.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.h b/drivers/gpu/drm/nouveau/nouveau_svm.h new file mode 100644 index 000000000..e7d63d7f0 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_svm.h @@ -0,0 +1,64 @@ +#ifndef __NOUVEAU_SVM_H__ +#define __NOUVEAU_SVM_H__ +#include <nvif/os.h> +#include <linux/mmu_notifier.h> +struct drm_device; +struct drm_file; +struct nouveau_drm; + +struct nouveau_svmm { + struct mmu_notifier notifier; + struct nouveau_vmm *vmm; + struct { + unsigned long start; + unsigned long limit; + } unmanaged; + + struct mutex mutex; +}; + +#if IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) +void nouveau_svm_init(struct nouveau_drm *); +void nouveau_svm_fini(struct nouveau_drm *); +void nouveau_svm_suspend(struct nouveau_drm *); +void nouveau_svm_resume(struct nouveau_drm *); + +int nouveau_svmm_init(struct drm_device *, void *, struct drm_file *); +void nouveau_svmm_fini(struct nouveau_svmm **); +int nouveau_svmm_join(struct nouveau_svmm *, u64 inst); +void nouveau_svmm_part(struct nouveau_svmm *, u64 inst); +int nouveau_svmm_bind(struct drm_device *, void *, struct drm_file *); + +void nouveau_svmm_invalidate(struct nouveau_svmm *svmm, u64 start, u64 limit); +u64 *nouveau_pfns_alloc(unsigned long npages); +void nouveau_pfns_free(u64 *pfns); +void nouveau_pfns_map(struct nouveau_svmm *svmm, struct mm_struct *mm, + unsigned long addr, u64 *pfns, unsigned long npages); +#else /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */ +static inline void nouveau_svm_init(struct nouveau_drm *drm) {} +static inline void nouveau_svm_fini(struct nouveau_drm *drm) {} +static inline void nouveau_svm_suspend(struct nouveau_drm *drm) {} +static inline void nouveau_svm_resume(struct nouveau_drm *drm) {} + +static inline int nouveau_svmm_init(struct drm_device *device, void *p, + struct drm_file *file) +{ + return -ENOSYS; +} + +static inline void nouveau_svmm_fini(struct nouveau_svmm **svmmp) {} + +static inline int nouveau_svmm_join(struct nouveau_svmm *svmm, u64 inst) +{ + return 0; +} + +static inline void nouveau_svmm_part(struct nouveau_svmm *svmm, u64 inst) {} + +static inline int nouveau_svmm_bind(struct drm_device *device, void *p, + struct drm_file *file) +{ + return -ENOSYS; +} +#endif /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */ +#endif |