1 #ifndef __NVKM_VMM_H__
2 #define __NVKM_VMM_H__
3 #include "priv.h"
4 #include <core/memory.h>
5 enum nvkm_memory_target;
6
7 struct nvkm_vmm_pt {
8
9
10
11
12
13
14 struct nvkm_mmu_pt *pt[2];
15 u32 refs[2];
16
17
18
19
20
21
22 u8 page;
23
24
25
26
27
28 bool sparse:1;
29
30
31
32
33
34
35 #define NVKM_VMM_PDE_INVALID(pde) IS_ERR_OR_NULL(pde)
36 #define NVKM_VMM_PDE_SPARSED(pde) IS_ERR(pde)
37 #define NVKM_VMM_PDE_SPARSE ERR_PTR(-EBUSY)
38 struct nvkm_vmm_pt **pde;
39
40
41
42
43
44
45
46
47 #define NVKM_VMM_PTE_SPARSE 0x80
48 #define NVKM_VMM_PTE_VALID 0x40
49 #define NVKM_VMM_PTE_SPTES 0x3f
50 u8 pte[];
51 };
52
53 typedef void (*nvkm_vmm_pxe_func)(struct nvkm_vmm *,
54 struct nvkm_mmu_pt *, u32 ptei, u32 ptes);
55 typedef void (*nvkm_vmm_pde_func)(struct nvkm_vmm *,
56 struct nvkm_vmm_pt *, u32 pdei);
57 typedef void (*nvkm_vmm_pte_func)(struct nvkm_vmm *, struct nvkm_mmu_pt *,
58 u32 ptei, u32 ptes, struct nvkm_vmm_map *);
59
60 struct nvkm_vmm_desc_func {
61 nvkm_vmm_pxe_func invalid;
62 nvkm_vmm_pxe_func unmap;
63 nvkm_vmm_pxe_func sparse;
64
65 nvkm_vmm_pde_func pde;
66
67 nvkm_vmm_pte_func mem;
68 nvkm_vmm_pte_func dma;
69 nvkm_vmm_pte_func sgl;
70
71 nvkm_vmm_pte_func pfn;
72 bool (*pfn_clear)(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32 ptei, u32 ptes);
73 nvkm_vmm_pxe_func pfn_unmap;
74 };
75
76 extern const struct nvkm_vmm_desc_func gf100_vmm_pgd;
77 void gf100_vmm_pgd_pde(struct nvkm_vmm *, struct nvkm_vmm_pt *, u32);
78 extern const struct nvkm_vmm_desc_func gf100_vmm_pgt;
79 void gf100_vmm_pgt_unmap(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32);
80 void gf100_vmm_pgt_mem(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32,
81 struct nvkm_vmm_map *);
82 void gf100_vmm_pgt_dma(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32,
83 struct nvkm_vmm_map *);
84 void gf100_vmm_pgt_sgl(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32,
85 struct nvkm_vmm_map *);
86
87 void gk104_vmm_lpt_invalid(struct nvkm_vmm *, struct nvkm_mmu_pt *, u32, u32);
88
89 struct nvkm_vmm_desc {
90 enum {
91 PGD,
92 PGT,
93 SPT,
94 LPT,
95 } type;
96 u8 bits;
97 u8 size;
98 u32 align;
99 const struct nvkm_vmm_desc_func *func;
100 };
101
102 extern const struct nvkm_vmm_desc nv50_vmm_desc_12[];
103 extern const struct nvkm_vmm_desc nv50_vmm_desc_16[];
104
105 extern const struct nvkm_vmm_desc gk104_vmm_desc_16_12[];
106 extern const struct nvkm_vmm_desc gk104_vmm_desc_16_16[];
107 extern const struct nvkm_vmm_desc gk104_vmm_desc_17_12[];
108 extern const struct nvkm_vmm_desc gk104_vmm_desc_17_17[];
109
110 extern const struct nvkm_vmm_desc gm200_vmm_desc_16_12[];
111 extern const struct nvkm_vmm_desc gm200_vmm_desc_16_16[];
112 extern const struct nvkm_vmm_desc gm200_vmm_desc_17_12[];
113 extern const struct nvkm_vmm_desc gm200_vmm_desc_17_17[];
114
115 extern const struct nvkm_vmm_desc gp100_vmm_desc_12[];
116 extern const struct nvkm_vmm_desc gp100_vmm_desc_16[];
117
118 struct nvkm_vmm_page {
119 u8 shift;
120 const struct nvkm_vmm_desc *desc;
121 #define NVKM_VMM_PAGE_SPARSE 0x01
122 #define NVKM_VMM_PAGE_VRAM 0x02
123 #define NVKM_VMM_PAGE_HOST 0x04
124 #define NVKM_VMM_PAGE_COMP 0x08
125 #define NVKM_VMM_PAGE_Sxxx (NVKM_VMM_PAGE_SPARSE)
126 #define NVKM_VMM_PAGE_xVxx (NVKM_VMM_PAGE_VRAM)
127 #define NVKM_VMM_PAGE_SVxx (NVKM_VMM_PAGE_Sxxx | NVKM_VMM_PAGE_VRAM)
128 #define NVKM_VMM_PAGE_xxHx (NVKM_VMM_PAGE_HOST)
129 #define NVKM_VMM_PAGE_SxHx (NVKM_VMM_PAGE_Sxxx | NVKM_VMM_PAGE_HOST)
130 #define NVKM_VMM_PAGE_xVHx (NVKM_VMM_PAGE_xVxx | NVKM_VMM_PAGE_HOST)
131 #define NVKM_VMM_PAGE_SVHx (NVKM_VMM_PAGE_SVxx | NVKM_VMM_PAGE_HOST)
132 #define NVKM_VMM_PAGE_xVxC (NVKM_VMM_PAGE_xVxx | NVKM_VMM_PAGE_COMP)
133 #define NVKM_VMM_PAGE_SVxC (NVKM_VMM_PAGE_SVxx | NVKM_VMM_PAGE_COMP)
134 #define NVKM_VMM_PAGE_xxHC (NVKM_VMM_PAGE_xxHx | NVKM_VMM_PAGE_COMP)
135 #define NVKM_VMM_PAGE_SxHC (NVKM_VMM_PAGE_SxHx | NVKM_VMM_PAGE_COMP)
136 u8 type;
137 };
138
139 struct nvkm_vmm_func {
140 int (*join)(struct nvkm_vmm *, struct nvkm_memory *inst);
141 void (*part)(struct nvkm_vmm *, struct nvkm_memory *inst);
142
143 int (*aper)(enum nvkm_memory_target);
144 int (*valid)(struct nvkm_vmm *, void *argv, u32 argc,
145 struct nvkm_vmm_map *);
146 void (*flush)(struct nvkm_vmm *, int depth);
147
148 int (*mthd)(struct nvkm_vmm *, struct nvkm_client *,
149 u32 mthd, void *argv, u32 argc);
150
151 void (*invalidate_pdb)(struct nvkm_vmm *, u64 addr);
152
153 u64 page_block;
154 const struct nvkm_vmm_page page[];
155 };
156
157 struct nvkm_vmm_join {
158 struct nvkm_memory *inst;
159 struct list_head head;
160 };
161
162 int nvkm_vmm_new_(const struct nvkm_vmm_func *, struct nvkm_mmu *,
163 u32 pd_header, bool managed, u64 addr, u64 size,
164 struct lock_class_key *, const char *name,
165 struct nvkm_vmm **);
166 int nvkm_vmm_ctor(const struct nvkm_vmm_func *, struct nvkm_mmu *,
167 u32 pd_header, bool managed, u64 addr, u64 size,
168 struct lock_class_key *, const char *name, struct nvkm_vmm *);
169 struct nvkm_vma *nvkm_vmm_node_search(struct nvkm_vmm *, u64 addr);
170 struct nvkm_vma *nvkm_vmm_node_split(struct nvkm_vmm *, struct nvkm_vma *,
171 u64 addr, u64 size);
172 int nvkm_vmm_get_locked(struct nvkm_vmm *, bool getref, bool mapref,
173 bool sparse, u8 page, u8 align, u64 size,
174 struct nvkm_vma **pvma);
175 void nvkm_vmm_put_locked(struct nvkm_vmm *, struct nvkm_vma *);
176 void nvkm_vmm_unmap_locked(struct nvkm_vmm *, struct nvkm_vma *, bool pfn);
177 void nvkm_vmm_unmap_region(struct nvkm_vmm *, struct nvkm_vma *);
178
179 #define NVKM_VMM_PFN_ADDR 0xfffffffffffff000ULL
180 #define NVKM_VMM_PFN_ADDR_SHIFT 12
181 #define NVKM_VMM_PFN_APER 0x00000000000000f0ULL
182 #define NVKM_VMM_PFN_HOST 0x0000000000000000ULL
183 #define NVKM_VMM_PFN_VRAM 0x0000000000000010ULL
184 #define NVKM_VMM_PFN_W 0x0000000000000002ULL
185 #define NVKM_VMM_PFN_V 0x0000000000000001ULL
186 #define NVKM_VMM_PFN_NONE 0x0000000000000000ULL
187
188 int nvkm_vmm_pfn_map(struct nvkm_vmm *, u8 page, u64 addr, u64 size, u64 *pfn);
189 int nvkm_vmm_pfn_unmap(struct nvkm_vmm *, u64 addr, u64 size);
190
191 struct nvkm_vma *nvkm_vma_tail(struct nvkm_vma *, u64 tail);
192
193 int nv04_vmm_new_(const struct nvkm_vmm_func *, struct nvkm_mmu *, u32,
194 bool, u64, u64, void *, u32, struct lock_class_key *,
195 const char *, struct nvkm_vmm **);
196 int nv04_vmm_valid(struct nvkm_vmm *, void *, u32, struct nvkm_vmm_map *);
197
198 int nv50_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
199 void nv50_vmm_part(struct nvkm_vmm *, struct nvkm_memory *);
200 int nv50_vmm_valid(struct nvkm_vmm *, void *, u32, struct nvkm_vmm_map *);
201 void nv50_vmm_flush(struct nvkm_vmm *, int);
202
203 int gf100_vmm_new_(const struct nvkm_vmm_func *, const struct nvkm_vmm_func *,
204 struct nvkm_mmu *, bool, u64, u64, void *, u32,
205 struct lock_class_key *, const char *, struct nvkm_vmm **);
206 int gf100_vmm_join_(struct nvkm_vmm *, struct nvkm_memory *, u64 base);
207 int gf100_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
208 void gf100_vmm_part(struct nvkm_vmm *, struct nvkm_memory *);
209 int gf100_vmm_aper(enum nvkm_memory_target);
210 int gf100_vmm_valid(struct nvkm_vmm *, void *, u32, struct nvkm_vmm_map *);
211 void gf100_vmm_flush(struct nvkm_vmm *, int);
212 void gf100_vmm_invalidate(struct nvkm_vmm *, u32 type);
213 void gf100_vmm_invalidate_pdb(struct nvkm_vmm *, u64 addr);
214
215 int gk20a_vmm_aper(enum nvkm_memory_target);
216
217 int gm200_vmm_new_(const struct nvkm_vmm_func *, const struct nvkm_vmm_func *,
218 struct nvkm_mmu *, bool, u64, u64, void *, u32,
219 struct lock_class_key *, const char *, struct nvkm_vmm **);
220 int gm200_vmm_join_(struct nvkm_vmm *, struct nvkm_memory *, u64 base);
221 int gm200_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
222
223 int gp100_vmm_new_(const struct nvkm_vmm_func *,
224 struct nvkm_mmu *, bool, u64, u64, void *, u32,
225 struct lock_class_key *, const char *, struct nvkm_vmm **);
226 int gp100_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
227 int gp100_vmm_valid(struct nvkm_vmm *, void *, u32, struct nvkm_vmm_map *);
228 void gp100_vmm_flush(struct nvkm_vmm *, int);
229 int gp100_vmm_mthd(struct nvkm_vmm *, struct nvkm_client *, u32, void *, u32);
230 void gp100_vmm_invalidate_pdb(struct nvkm_vmm *, u64 addr);
231
232 int gv100_vmm_join(struct nvkm_vmm *, struct nvkm_memory *);
233
234 int nv04_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
235 struct lock_class_key *, const char *, struct nvkm_vmm **);
236 int nv41_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
237 struct lock_class_key *, const char *, struct nvkm_vmm **);
238 int nv44_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
239 struct lock_class_key *, const char *, struct nvkm_vmm **);
240 int nv50_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
241 struct lock_class_key *, const char *, struct nvkm_vmm **);
242 int mcp77_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
243 struct lock_class_key *, const char *, struct nvkm_vmm **);
244 int g84_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
245 struct lock_class_key *, const char *, struct nvkm_vmm **);
246 int gf100_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
247 struct lock_class_key *, const char *, struct nvkm_vmm **);
248 int gk104_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
249 struct lock_class_key *, const char *, struct nvkm_vmm **);
250 int gk20a_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
251 struct lock_class_key *, const char *, struct nvkm_vmm **);
252 int gm200_vmm_new_fixed(struct nvkm_mmu *, bool, u64, u64, void *, u32,
253 struct lock_class_key *, const char *,
254 struct nvkm_vmm **);
255 int gm200_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
256 struct lock_class_key *, const char *,
257 struct nvkm_vmm **);
258 int gm20b_vmm_new_fixed(struct nvkm_mmu *, bool, u64, u64, void *, u32,
259 struct lock_class_key *, const char *,
260 struct nvkm_vmm **);
261 int gm20b_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
262 struct lock_class_key *, const char *,
263 struct nvkm_vmm **);
264 int gp100_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
265 struct lock_class_key *, const char *,
266 struct nvkm_vmm **);
267 int gp10b_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
268 struct lock_class_key *, const char *,
269 struct nvkm_vmm **);
270 int gv100_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
271 struct lock_class_key *, const char *,
272 struct nvkm_vmm **);
273 int tu102_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
274 struct lock_class_key *, const char *,
275 struct nvkm_vmm **);
276
277 #define VMM_PRINT(l,v,p,f,a...) do { \
278 struct nvkm_vmm *_vmm = (v); \
279 if (CONFIG_NOUVEAU_DEBUG >= (l) && _vmm->debug >= (l)) { \
280 nvkm_printk_(&_vmm->mmu->subdev, 0, p, "%s: "f"\n", \
281 _vmm->name, ##a); \
282 } \
283 } while(0)
284 #define VMM_DEBUG(v,f,a...) VMM_PRINT(NV_DBG_DEBUG, (v), info, f, ##a)
285 #define VMM_TRACE(v,f,a...) VMM_PRINT(NV_DBG_TRACE, (v), info, f, ##a)
286 #define VMM_SPAM(v,f,a...) VMM_PRINT(NV_DBG_SPAM , (v), dbg, f, ##a)
287
288 #define VMM_MAP_ITER(VMM,PT,PTEI,PTEN,MAP,FILL,BASE,SIZE,NEXT) do { \
289 nvkm_kmap((PT)->memory); \
290 while (PTEN) { \
291 u64 _ptes = ((SIZE) - MAP->off) >> MAP->page->shift; \
292 u64 _addr = ((BASE) + MAP->off); \
293 \
294 if (_ptes > PTEN) { \
295 MAP->off += PTEN << MAP->page->shift; \
296 _ptes = PTEN; \
297 } else { \
298 MAP->off = 0; \
299 NEXT; \
300 } \
301 \
302 VMM_SPAM(VMM, "ITER %08x %08x PTE(s)", PTEI, (u32)_ptes); \
303 \
304 FILL(VMM, PT, PTEI, _ptes, MAP, _addr); \
305 PTEI += _ptes; \
306 PTEN -= _ptes; \
307 }; \
308 nvkm_done((PT)->memory); \
309 } while(0)
310
311 #define VMM_MAP_ITER_MEM(VMM,PT,PTEI,PTEN,MAP,FILL) \
312 VMM_MAP_ITER(VMM,PT,PTEI,PTEN,MAP,FILL, \
313 ((u64)MAP->mem->offset << NVKM_RAM_MM_SHIFT), \
314 ((u64)MAP->mem->length << NVKM_RAM_MM_SHIFT), \
315 (MAP->mem = MAP->mem->next))
316 #define VMM_MAP_ITER_DMA(VMM,PT,PTEI,PTEN,MAP,FILL) \
317 VMM_MAP_ITER(VMM,PT,PTEI,PTEN,MAP,FILL, \
318 *MAP->dma, PAGE_SIZE, MAP->dma++)
319 #define VMM_MAP_ITER_SGL(VMM,PT,PTEI,PTEN,MAP,FILL) \
320 VMM_MAP_ITER(VMM,PT,PTEI,PTEN,MAP,FILL, \
321 sg_dma_address(MAP->sgl), sg_dma_len(MAP->sgl), \
322 (MAP->sgl = sg_next(MAP->sgl)))
323
324 #define VMM_FO(m,o,d,c,b) nvkm_fo##b((m)->memory, (o), (d), (c))
325 #define VMM_WO(m,o,d,c,b) nvkm_wo##b((m)->memory, (o), (d))
326 #define VMM_XO(m,v,o,d,c,b,fn,f,a...) do { \
327 const u32 _pteo = (o); u##b _data = (d); \
328 VMM_SPAM((v), " %010llx "f, (m)->addr + _pteo, _data, ##a); \
329 VMM_##fn((m), (m)->base + _pteo, _data, (c), b); \
330 } while(0)
331
332 #define VMM_WO032(m,v,o,d) VMM_XO((m),(v),(o),(d), 1, 32, WO, "%08x")
333 #define VMM_FO032(m,v,o,d,c) \
334 VMM_XO((m),(v),(o),(d),(c), 32, FO, "%08x %08x", (c))
335
336 #define VMM_WO064(m,v,o,d) VMM_XO((m),(v),(o),(d), 1, 64, WO, "%016llx")
337 #define VMM_FO064(m,v,o,d,c) \
338 VMM_XO((m),(v),(o),(d),(c), 64, FO, "%016llx %08x", (c))
339
340 #define VMM_XO128(m,v,o,lo,hi,c,f,a...) do { \
341 u32 _pteo = (o), _ptes = (c); \
342 const u64 _addr = (m)->addr + _pteo; \
343 VMM_SPAM((v), " %010llx %016llx%016llx"f, _addr, (hi), (lo), ##a); \
344 while (_ptes--) { \
345 nvkm_wo64((m)->memory, (m)->base + _pteo + 0, (lo)); \
346 nvkm_wo64((m)->memory, (m)->base + _pteo + 8, (hi)); \
347 _pteo += 0x10; \
348 } \
349 } while(0)
350
351 #define VMM_WO128(m,v,o,lo,hi) VMM_XO128((m),(v),(o),(lo),(hi), 1, "")
352 #define VMM_FO128(m,v,o,lo,hi,c) do { \
353 nvkm_kmap((m)->memory); \
354 VMM_XO128((m),(v),(o),(lo),(hi),(c), " %08x", (c)); \
355 nvkm_done((m)->memory); \
356 } while(0)
357 #endif