1 /*
2 * Copyright 2019 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 #ifndef __NVIF_PUSH_H__
23 #define __NVIF_PUSH_H__
24 #include <nvif/mem.h>
25 #include <nvif/printf.h>
26
27 #include <nvhw/drf.h>
28
29 struct nvif_push {
30 int (*wait)(struct nvif_push *push, u32 size);
31 void (*kick)(struct nvif_push *push);
32
33 struct nvif_mem mem;
34
35 u32 *bgn;
36 u32 *cur;
37 u32 *seg;
38 u32 *end;
39 };
40
41 static inline __must_check int
PUSH_WAIT(struct nvif_push * push,u32 size)42 PUSH_WAIT(struct nvif_push *push, u32 size)
43 {
44 if (push->cur + size >= push->end) {
45 int ret = push->wait(push, size);
46 if (ret)
47 return ret;
48 }
49 #ifdef CONFIG_NOUVEAU_DEBUG_PUSH
50 push->seg = push->cur + size;
51 #endif
52 return 0;
53 }
54
55 static inline int
PUSH_KICK(struct nvif_push * push)56 PUSH_KICK(struct nvif_push *push)
57 {
58 push->kick(push);
59 return 0;
60 }
61
62 #ifdef CONFIG_NOUVEAU_DEBUG_PUSH
63 #define PUSH_PRINTF(p,f,a...) do { \
64 struct nvif_push *_ppp = (p); \
65 u32 __o = _ppp->cur - (u32 *)_ppp->mem.object.map.ptr; \
66 NVIF_DEBUG(&_ppp->mem.object, "%08x: "f, __o * 4, ##a); \
67 (void)__o; \
68 } while(0)
69 #define PUSH_ASSERT_ON(a,b) WARN((a), b)
70 #else
71 #define PUSH_PRINTF(p,f,a...)
72 #define PUSH_ASSERT_ON(a, b)
73 #endif
74
75 #define PUSH_ASSERT(a,b) do { \
76 static_assert( \
77 __builtin_choose_expr(__builtin_constant_p(a), (a), 1), b \
78 ); \
79 PUSH_ASSERT_ON(!(a), b); \
80 } while(0)
81
82 #define PUSH_DATA__(p,d,f,a...) do { \
83 struct nvif_push *_p = (p); \
84 u32 _d = (d); \
85 PUSH_ASSERT(_p->cur < _p->seg, "segment overrun"); \
86 PUSH_ASSERT(_p->cur < _p->end, "pushbuf overrun"); \
87 PUSH_PRINTF(_p, "%08x"f, _d, ##a); \
88 *_p->cur++ = _d; \
89 } while(0)
90
91 #define PUSH_DATA_(X,p,m,i0,i1,d,s,f,a...) PUSH_DATA__((p), (d), "-> "#m f, ##a)
92 #define PUSH_DATA(p,d) PUSH_DATA__((p), (d), " data - %s", __func__)
93
94 //XXX: error-check this against *real* pushbuffer end?
95 #define PUSH_RSVD(p,d) do { \
96 struct nvif_push *__p = (p); \
97 __p->seg++; \
98 __p->end++; \
99 d; \
100 } while(0)
101
102 #ifdef CONFIG_NOUVEAU_DEBUG_PUSH
103 #define PUSH_DATAp(X,p,m,i,o,d,s,f,a...) do { \
104 struct nvif_push *_pp = (p); \
105 const u32 *_dd = (d); \
106 u32 _s = (s), _i = (i?PUSH_##o##_INC); \
107 if (_s--) { \
108 PUSH_DATA_(X, _pp, X##m, i0, i1, *_dd++, 1, "+0x%x", 0); \
109 while (_s--) { \
110 PUSH_DATA_(X, _pp, X##m, i0, i1, *_dd++, 1, "+0x%x", _i); \
111 _i += (0?PUSH_##o##_INC); \
112 } \
113 } \
114 } while(0)
115 #else
116 #define PUSH_DATAp(X,p,m,i,o,d,s,f,a...) do { \
117 struct nvif_push *_p = (p); \
118 u32 _s = (s); \
119 PUSH_ASSERT(_p->cur + _s <= _p->seg, "segment overrun"); \
120 PUSH_ASSERT(_p->cur + _s <= _p->end, "pushbuf overrun"); \
121 memcpy(_p->cur, (d), _s << 2); \
122 _p->cur += _s; \
123 } while(0)
124 #endif
125
126 #define PUSH_1(X,f,ds,n,o,p,s,mA,dA) do { \
127 PUSH_##o##_HDR((p), s, mA, (ds)+(n)); \
128 PUSH_##f(X, (p), X##mA, 1, o, (dA), ds, ""); \
129 } while(0)
130 #define PUSH_2(X,f,ds,n,o,p,s,mB,dB,mA,dA,a...) do { \
131 PUSH_ASSERT((mB) - (mA) == (1?PUSH_##o##_INC), "mthd1"); \
132 PUSH_1(X, DATA_, 1, (ds) + (n), o, (p), s, X##mA, (dA), ##a); \
133 PUSH_##f(X, (p), X##mB, 0, o, (dB), ds, ""); \
134 } while(0)
135 #define PUSH_3(X,f,ds,n,o,p,s,mB,dB,mA,dA,a...) do { \
136 PUSH_ASSERT((mB) - (mA) == (0?PUSH_##o##_INC), "mthd2"); \
137 PUSH_2(X, DATA_, 1, (ds) + (n), o, (p), s, X##mA, (dA), ##a); \
138 PUSH_##f(X, (p), X##mB, 0, o, (dB), ds, ""); \
139 } while(0)
140 #define PUSH_4(X,f,ds,n,o,p,s,mB,dB,mA,dA,a...) do { \
141 PUSH_ASSERT((mB) - (mA) == (0?PUSH_##o##_INC), "mthd3"); \
142 PUSH_3(X, DATA_, 1, (ds) + (n), o, (p), s, X##mA, (dA), ##a); \
143 PUSH_##f(X, (p), X##mB, 0, o, (dB), ds, ""); \
144 } while(0)
145 #define PUSH_5(X,f,ds,n,o,p,s,mB,dB,mA,dA,a...) do { \
146 PUSH_ASSERT((mB) - (mA) == (0?PUSH_##o##_INC), "mthd4"); \
147 PUSH_4(X, DATA_, 1, (ds) + (n), o, (p), s, X##mA, (dA), ##a); \
148 PUSH_##f(X, (p), X##mB, 0, o, (dB), ds, ""); \
149 } while(0)
150 #define PUSH_6(X,f,ds,n,o,p,s,mB,dB,mA,dA,a...) do { \
151 PUSH_ASSERT((mB) - (mA) == (0?PUSH_##o##_INC), "mthd5"); \
152 PUSH_5(X, DATA_, 1, (ds) + (n), o, (p), s, X##mA, (dA), ##a); \
153 PUSH_##f(X, (p), X##mB, 0, o, (dB), ds, ""); \
154 } while(0)
155 #define PUSH_7(X,f,ds,n,o,p,s,mB,dB,mA,dA,a...) do { \
156 PUSH_ASSERT((mB) - (mA) == (0?PUSH_##o##_INC), "mthd6"); \
157 PUSH_6(X, DATA_, 1, (ds) + (n), o, (p), s, X##mA, (dA), ##a); \
158 PUSH_##f(X, (p), X##mB, 0, o, (dB), ds, ""); \
159 } while(0)
160 #define PUSH_8(X,f,ds,n,o,p,s,mB,dB,mA,dA,a...) do { \
161 PUSH_ASSERT((mB) - (mA) == (0?PUSH_##o##_INC), "mthd7"); \
162 PUSH_7(X, DATA_, 1, (ds) + (n), o, (p), s, X##mA, (dA), ##a); \
163 PUSH_##f(X, (p), X##mB, 0, o, (dB), ds, ""); \
164 } while(0)
165 #define PUSH_9(X,f,ds,n,o,p,s,mB,dB,mA,dA,a...) do { \
166 PUSH_ASSERT((mB) - (mA) == (0?PUSH_##o##_INC), "mthd8"); \
167 PUSH_8(X, DATA_, 1, (ds) + (n), o, (p), s, X##mA, (dA), ##a); \
168 PUSH_##f(X, (p), X##mB, 0, o, (dB), ds, ""); \
169 } while(0)
170 #define PUSH_10(X,f,ds,n,o,p,s,mB,dB,mA,dA,a...) do { \
171 PUSH_ASSERT((mB) - (mA) == (0?PUSH_##o##_INC), "mthd9"); \
172 PUSH_9(X, DATA_, 1, (ds) + (n), o, (p), s, X##mA, (dA), ##a); \
173 PUSH_##f(X, (p), X##mB, 0, o, (dB), ds, ""); \
174 } while(0)
175
176 #define PUSH_1D(X,o,p,s,mA,dA) \
177 PUSH_1(X, DATA_, 1, 0, o, (p), s, X##mA, (dA))
178 #define PUSH_2D(X,o,p,s,mA,dA,mB,dB) \
179 PUSH_2(X, DATA_, 1, 0, o, (p), s, X##mB, (dB), \
180 X##mA, (dA))
181 #define PUSH_3D(X,o,p,s,mA,dA,mB,dB,mC,dC) \
182 PUSH_3(X, DATA_, 1, 0, o, (p), s, X##mC, (dC), \
183 X##mB, (dB), \
184 X##mA, (dA))
185 #define PUSH_4D(X,o,p,s,mA,dA,mB,dB,mC,dC,mD,dD) \
186 PUSH_4(X, DATA_, 1, 0, o, (p), s, X##mD, (dD), \
187 X##mC, (dC), \
188 X##mB, (dB), \
189 X##mA, (dA))
190 #define PUSH_5D(X,o,p,s,mA,dA,mB,dB,mC,dC,mD,dD,mE,dE) \
191 PUSH_5(X, DATA_, 1, 0, o, (p), s, X##mE, (dE), \
192 X##mD, (dD), \
193 X##mC, (dC), \
194 X##mB, (dB), \
195 X##mA, (dA))
196 #define PUSH_6D(X,o,p,s,mA,dA,mB,dB,mC,dC,mD,dD,mE,dE,mF,dF) \
197 PUSH_6(X, DATA_, 1, 0, o, (p), s, X##mF, (dF), \
198 X##mE, (dE), \
199 X##mD, (dD), \
200 X##mC, (dC), \
201 X##mB, (dB), \
202 X##mA, (dA))
203 #define PUSH_7D(X,o,p,s,mA,dA,mB,dB,mC,dC,mD,dD,mE,dE,mF,dF,mG,dG) \
204 PUSH_7(X, DATA_, 1, 0, o, (p), s, X##mG, (dG), \
205 X##mF, (dF), \
206 X##mE, (dE), \
207 X##mD, (dD), \
208 X##mC, (dC), \
209 X##mB, (dB), \
210 X##mA, (dA))
211 #define PUSH_8D(X,o,p,s,mA,dA,mB,dB,mC,dC,mD,dD,mE,dE,mF,dF,mG,dG,mH,dH) \
212 PUSH_8(X, DATA_, 1, 0, o, (p), s, X##mH, (dH), \
213 X##mG, (dG), \
214 X##mF, (dF), \
215 X##mE, (dE), \
216 X##mD, (dD), \
217 X##mC, (dC), \
218 X##mB, (dB), \
219 X##mA, (dA))
220 #define PUSH_9D(X,o,p,s,mA,dA,mB,dB,mC,dC,mD,dD,mE,dE,mF,dF,mG,dG,mH,dH,mI,dI) \
221 PUSH_9(X, DATA_, 1, 0, o, (p), s, X##mI, (dI), \
222 X##mH, (dH), \
223 X##mG, (dG), \
224 X##mF, (dF), \
225 X##mE, (dE), \
226 X##mD, (dD), \
227 X##mC, (dC), \
228 X##mB, (dB), \
229 X##mA, (dA))
230 #define PUSH_10D(X,o,p,s,mA,dA,mB,dB,mC,dC,mD,dD,mE,dE,mF,dF,mG,dG,mH,dH,mI,dI,mJ,dJ) \
231 PUSH_10(X, DATA_, 1, 0, o, (p), s, X##mJ, (dJ), \
232 X##mI, (dI), \
233 X##mH, (dH), \
234 X##mG, (dG), \
235 X##mF, (dF), \
236 X##mE, (dE), \
237 X##mD, (dD), \
238 X##mC, (dC), \
239 X##mB, (dB), \
240 X##mA, (dA))
241
242 #define PUSH_1P(X,o,p,s,mA,dp,ds) \
243 PUSH_1(X, DATAp, ds, 0, o, (p), s, X##mA, (dp))
244 #define PUSH_2P(X,o,p,s,mA,dA,mB,dp,ds) \
245 PUSH_2(X, DATAp, ds, 0, o, (p), s, X##mB, (dp), \
246 X##mA, (dA))
247 #define PUSH_3P(X,o,p,s,mA,dA,mB,dB,mC,dp,ds) \
248 PUSH_3(X, DATAp, ds, 0, o, (p), s, X##mC, (dp), \
249 X##mB, (dB), \
250 X##mA, (dA))
251
252 #define PUSH_(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,IMPL,...) IMPL
253 #define PUSH(A...) PUSH_(A, PUSH_10P, PUSH_10D, \
254 PUSH_9P , PUSH_9D, \
255 PUSH_8P , PUSH_8D, \
256 PUSH_7P , PUSH_7D, \
257 PUSH_6P , PUSH_6D, \
258 PUSH_5P , PUSH_5D, \
259 PUSH_4P , PUSH_4D, \
260 PUSH_3P , PUSH_3D, \
261 PUSH_2P , PUSH_2D, \
262 PUSH_1P , PUSH_1D)(, ##A)
263
264 #define PUSH_NVIM(p,c,m,d) do { \
265 struct nvif_push *__p = (p); \
266 u32 __d = (d); \
267 PUSH_IMMD_HDR(__p, c, m, __d); \
268 __p->cur--; \
269 PUSH_PRINTF(__p, "%08x-> "#m, __d); \
270 __p->cur++; \
271 } while(0)
272 #define PUSH_NVSQ(A...) PUSH(MTHD, ##A)
273 #define PUSH_NV1I(A...) PUSH(1INC, ##A)
274 #define PUSH_NVNI(A...) PUSH(NINC, ##A)
275
276
277 #define PUSH_NV_1(X,o,p,c,mA,d...) \
278 PUSH_##o(p,c,c##_##mA,d)
279 #define PUSH_NV_2(X,o,p,c,mA,dA,mB,d...) \
280 PUSH_##o(p,c,c##_##mA,dA, \
281 c##_##mB,d)
282 #define PUSH_NV_3(X,o,p,c,mA,dA,mB,dB,mC,d...) \
283 PUSH_##o(p,c,c##_##mA,dA, \
284 c##_##mB,dB, \
285 c##_##mC,d)
286 #define PUSH_NV_4(X,o,p,c,mA,dA,mB,dB,mC,dC,mD,d...) \
287 PUSH_##o(p,c,c##_##mA,dA, \
288 c##_##mB,dB, \
289 c##_##mC,dC, \
290 c##_##mD,d)
291 #define PUSH_NV_5(X,o,p,c,mA,dA,mB,dB,mC,dC,mD,dD,mE,d...) \
292 PUSH_##o(p,c,c##_##mA,dA, \
293 c##_##mB,dB, \
294 c##_##mC,dC, \
295 c##_##mD,dD, \
296 c##_##mE,d)
297 #define PUSH_NV_6(X,o,p,c,mA,dA,mB,dB,mC,dC,mD,dD,mE,dE,mF,d...) \
298 PUSH_##o(p,c,c##_##mA,dA, \
299 c##_##mB,dB, \
300 c##_##mC,dC, \
301 c##_##mD,dD, \
302 c##_##mE,dE, \
303 c##_##mF,d)
304 #define PUSH_NV_7(X,o,p,c,mA,dA,mB,dB,mC,dC,mD,dD,mE,dE,mF,dF,mG,d...) \
305 PUSH_##o(p,c,c##_##mA,dA, \
306 c##_##mB,dB, \
307 c##_##mC,dC, \
308 c##_##mD,dD, \
309 c##_##mE,dE, \
310 c##_##mF,dF, \
311 c##_##mG,d)
312 #define PUSH_NV_8(X,o,p,c,mA,dA,mB,dB,mC,dC,mD,dD,mE,dE,mF,dF,mG,dG,mH,d...) \
313 PUSH_##o(p,c,c##_##mA,dA, \
314 c##_##mB,dB, \
315 c##_##mC,dC, \
316 c##_##mD,dD, \
317 c##_##mE,dE, \
318 c##_##mF,dF, \
319 c##_##mG,dG, \
320 c##_##mH,d)
321 #define PUSH_NV_9(X,o,p,c,mA,dA,mB,dB,mC,dC,mD,dD,mE,dE,mF,dF,mG,dG,mH,dH,mI,d...) \
322 PUSH_##o(p,c,c##_##mA,dA, \
323 c##_##mB,dB, \
324 c##_##mC,dC, \
325 c##_##mD,dD, \
326 c##_##mE,dE, \
327 c##_##mF,dF, \
328 c##_##mG,dG, \
329 c##_##mH,dH, \
330 c##_##mI,d)
331 #define PUSH_NV_10(X,o,p,c,mA,dA,mB,dB,mC,dC,mD,dD,mE,dE,mF,dF,mG,dG,mH,dH,mI,dI,mJ,d...) \
332 PUSH_##o(p,c,c##_##mA,dA, \
333 c##_##mB,dB, \
334 c##_##mC,dC, \
335 c##_##mD,dD, \
336 c##_##mE,dE, \
337 c##_##mF,dF, \
338 c##_##mG,dG, \
339 c##_##mH,dH, \
340 c##_##mI,dI, \
341 c##_##mJ,d)
342
343 #define PUSH_NV_(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,IMPL,...) IMPL
344 #define PUSH_NV(A...) PUSH_NV_(A, PUSH_NV_10, PUSH_NV_10, \
345 PUSH_NV_9 , PUSH_NV_9, \
346 PUSH_NV_8 , PUSH_NV_8, \
347 PUSH_NV_7 , PUSH_NV_7, \
348 PUSH_NV_6 , PUSH_NV_6, \
349 PUSH_NV_5 , PUSH_NV_5, \
350 PUSH_NV_4 , PUSH_NV_4, \
351 PUSH_NV_3 , PUSH_NV_3, \
352 PUSH_NV_2 , PUSH_NV_2, \
353 PUSH_NV_1 , PUSH_NV_1)(, ##A)
354
355 #define PUSH_IMMD(A...) PUSH_NV(NVIM, ##A)
356 #define PUSH_MTHD(A...) PUSH_NV(NVSQ, ##A)
357 #define PUSH_1INC(A...) PUSH_NV(NV1I, ##A)
358 #define PUSH_NINC(A...) PUSH_NV(NVNI, ##A)
359 #endif
360