Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Ben Skeggs | 526 | 99.81% | 9 | 90.00% |
Greg Kroah-Hartman | 1 | 0.19% | 1 | 10.00% |
Total | 527 | 10 |
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MEMORY_H__ #define __NVKM_MEMORY_H__ #include <core/os.h> struct nvkm_device; struct nvkm_vma; struct nvkm_vmm; struct nvkm_tags { struct nvkm_mm_node *mn; refcount_t refcount; }; enum nvkm_memory_target { NVKM_MEM_TARGET_INST, /* instance memory */ NVKM_MEM_TARGET_VRAM, /* video memory */ NVKM_MEM_TARGET_HOST, /* coherent system memory */ NVKM_MEM_TARGET_NCOH, /* non-coherent system memory */ }; struct nvkm_memory { const struct nvkm_memory_func *func; const struct nvkm_memory_ptrs *ptrs; struct kref kref; struct nvkm_tags *tags; }; struct nvkm_memory_func { void *(*dtor)(struct nvkm_memory *); enum nvkm_memory_target (*target)(struct nvkm_memory *); u8 (*page)(struct nvkm_memory *); u64 (*bar2)(struct nvkm_memory *); u64 (*addr)(struct nvkm_memory *); u64 (*size)(struct nvkm_memory *); void (*boot)(struct nvkm_memory *, struct nvkm_vmm *); void __iomem *(*acquire)(struct nvkm_memory *); void (*release)(struct nvkm_memory *); int (*map)(struct nvkm_memory *, u64 offset, struct nvkm_vmm *, struct nvkm_vma *, void *argv, u32 argc); }; struct nvkm_memory_ptrs { u32 (*rd32)(struct nvkm_memory *, u64 offset); void (*wr32)(struct nvkm_memory *, u64 offset, u32 data); }; void nvkm_memory_ctor(const struct nvkm_memory_func *, struct nvkm_memory *); int nvkm_memory_new(struct nvkm_device *, enum nvkm_memory_target, u64 size, u32 align, bool zero, struct nvkm_memory **); struct nvkm_memory *nvkm_memory_ref(struct nvkm_memory *); void nvkm_memory_unref(struct nvkm_memory **); int nvkm_memory_tags_get(struct nvkm_memory *, struct nvkm_device *, u32 tags, void (*clear)(struct nvkm_device *, u32, u32), struct nvkm_tags **); void nvkm_memory_tags_put(struct nvkm_memory *, struct nvkm_device *, struct nvkm_tags **); #define nvkm_memory_target(p) (p)->func->target(p) #define nvkm_memory_page(p) (p)->func->page(p) #define nvkm_memory_bar2(p) (p)->func->bar2(p) #define nvkm_memory_addr(p) (p)->func->addr(p) #define nvkm_memory_size(p) (p)->func->size(p) #define nvkm_memory_boot(p,v) (p)->func->boot((p),(v)) #define nvkm_memory_map(p,o,vm,va,av,ac) \ (p)->func->map((p),(o),(vm),(va),(av),(ac)) /* accessor macros - kmap()/done() must bracket use of the other accessor * macros to guarantee correct behaviour across all chipsets */ #define nvkm_kmap(o) (o)->func->acquire(o) #define nvkm_done(o) (o)->func->release(o) #define nvkm_ro32(o,a) (o)->ptrs->rd32((o), (a)) #define nvkm_wo32(o,a,d) (o)->ptrs->wr32((o), (a), (d)) #define nvkm_mo32(o,a,m,d) ({ \ u32 _addr = (a), _data = nvkm_ro32((o), _addr); \ nvkm_wo32((o), _addr, (_data & ~(m)) | (d)); \ _data; \ }) #define nvkm_wo64(o,a,d) do { \ u64 __a = (a), __d = (d); \ nvkm_wo32((o), __a + 0, lower_32_bits(__d)); \ nvkm_wo32((o), __a + 4, upper_32_bits(__d)); \ } while(0) #define nvkm_fill(t,s,o,a,d,c) do { \ u64 _a = (a), _c = (c), _d = (d), _o = _a >> s, _s = _c << s; \ u##t __iomem *_m = nvkm_kmap(o); \ if (likely(_m)) { \ if (_d) { \ while (_c--) \ iowrite##t##_native(_d, &_m[_o++]); \ } else { \ memset_io(&_m[_o], _d, _s); \ } \ } else { \ for (; _c; _c--, _a += BIT(s)) \ nvkm_wo##t((o), _a, _d); \ } \ nvkm_done(o); \ } while(0) #define nvkm_fo32(o,a,d,c) nvkm_fill(32, 2, (o), (a), (d), (c)) #define nvkm_fo64(o,a,d,c) nvkm_fill(64, 3, (o), (a), (d), (c)) #endif
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