diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2017-11-01 03:56:19 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-11-02 13:32:31 +1000 |
| commit | eea5cf0f0170fbc54fbb3c501b0ec7cce7f68369 (patch) | |
| tree | 9fa92444e9ae8445a922ec112445058732c682a8 /drivers/gpu/drm/nouveau/include/nvif | |
| parent | 68af607d269cd8ea74d789f256ab0a522e5dad4f (diff) | |
drm/nouveau/mmu: define user interfaces to mmu
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvif')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvif/class.h | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvif/if0008.h | 42 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvif/mmu.h | 56 |
3 files changed, 103 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvif/class.h b/drivers/gpu/drm/nouveau/include/nvif/class.h index 8db1c973db29..56aade45067d 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/class.h +++ b/drivers/gpu/drm/nouveau/include/nvif/class.h @@ -14,6 +14,11 @@ #define NVIF_CLASS_SW_NV50 /* if0005.h */ -0x00000006 #define NVIF_CLASS_SW_GF100 /* if0005.h */ -0x00000007 +#define NVIF_CLASS_MMU /* if0008.h */ 0x80000008 +#define NVIF_CLASS_MMU_NV04 /* if0008.h */ 0x80000009 +#define NVIF_CLASS_MMU_NV50 /* if0008.h */ 0x80005009 +#define NVIF_CLASS_MMU_GF100 /* if0008.h */ 0x80009009 + #define NVIF_CLASS_MEM /* if000a.h */ 0x8000000a #define NVIF_CLASS_MEM_NV04 /* if000b.h */ 0x8000000b #define NVIF_CLASS_MEM_NV50 /* if500b.h */ 0x8000500b diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0008.h b/drivers/gpu/drm/nouveau/include/nvif/if0008.h new file mode 100644 index 000000000000..8450127420f5 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvif/if0008.h @@ -0,0 +1,42 @@ +#ifndef __NVIF_IF0008_H__ +#define __NVIF_IF0008_H__ +struct nvif_mmu_v0 { + __u8 version; + __u8 dmabits; + __u8 heap_nr; + __u8 type_nr; + __u16 kind_nr; +}; + +#define NVIF_MMU_V0_HEAP 0x00 +#define NVIF_MMU_V0_TYPE 0x01 +#define NVIF_MMU_V0_KIND 0x02 + +struct nvif_mmu_heap_v0 { + __u8 version; + __u8 index; + __u8 pad02[6]; + __u64 size; +}; + +struct nvif_mmu_type_v0 { + __u8 version; + __u8 index; + __u8 heap; + __u8 vram; + __u8 host; + __u8 comp; + __u8 disp; + __u8 kind; + __u8 mappable; + __u8 coherent; + __u8 uncached; +}; + +struct nvif_mmu_kind_v0 { + __u8 version; + __u8 pad01[1]; + __u16 count; + __u8 data[]; +}; +#endif diff --git a/drivers/gpu/drm/nouveau/include/nvif/mmu.h b/drivers/gpu/drm/nouveau/include/nvif/mmu.h new file mode 100644 index 000000000000..c8cd5b5b0688 --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvif/mmu.h @@ -0,0 +1,56 @@ +#ifndef __NVIF_MMU_H__ +#define __NVIF_MMU_H__ +#include <nvif/object.h> + +struct nvif_mmu { + struct nvif_object object; + u8 dmabits; + u8 heap_nr; + u8 type_nr; + u16 kind_nr; + + struct { + u64 size; + } *heap; + + struct { +#define NVIF_MEM_VRAM 0x01 +#define NVIF_MEM_HOST 0x02 +#define NVIF_MEM_COMP 0x04 +#define NVIF_MEM_DISP 0x08 +#define NVIF_MEM_KIND 0x10 +#define NVIF_MEM_MAPPABLE 0x20 +#define NVIF_MEM_COHERENT 0x40 +#define NVIF_MEM_UNCACHED 0x80 + u8 type; + u8 heap; + } *type; + + u8 *kind; +}; + +int nvif_mmu_init(struct nvif_object *, s32 oclass, struct nvif_mmu *); +void nvif_mmu_fini(struct nvif_mmu *); + +static inline bool +nvif_mmu_kind_valid(struct nvif_mmu *mmu, u8 kind) +{ + const u8 invalid = mmu->kind_nr - 1; + if (kind) { + if (kind >= mmu->kind_nr || mmu->kind[kind] == invalid) + return false; + } + return true; +} + +static inline int +nvif_mmu_type(struct nvif_mmu *mmu, u8 mask) +{ + int i; + for (i = 0; i < mmu->type_nr; i++) { + if ((mmu->type[i].type & mask) == mask) + return i; + } + return -EINVAL; +} +#endif |