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amd64 port: mainly on the pmap headers, identify_cpu and initcpu
[dragonfly/port-amd64.git] / sys / dev / drm / drm_memory.h
blobcc06f24eb67964951d02bc05878c3d0c9e256087
1 /* drm_memory.h -- Memory management wrappers for DRM -*- linux-c -*-
2 * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com
3 *
4 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
5 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
6 * All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
17 * Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25 * OTHER DEALINGS IN THE SOFTWARE.
26 *
27 * Authors:
28 * Rickard E. (Rik) Faith <faith@valinux.com>
29 * Gareth Hughes <gareth@valinux.com>
30 *
31 * $FreeBSD: src/sys/dev/drm/drm_memory.h,v 1.8.2.1 2003/04/26 07:05:28 anholt Exp $
32 * $DragonFly: src/sys/dev/drm/drm_memory.h,v 1.5 2006/09/05 03:48:10 dillon Exp $
33 */
34
35 #include "dev/drm/drmP.h"
36
37 #if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__)
38 #define malloctype DRM(M_DRM)
39 /* The macros conflicted in the MALLOC_DEFINE */
40
41 MALLOC_DEFINE(malloctype, "drm", "DRM Data Structures");
42
43 #undef malloctype
44 #endif
45
46 typedef struct drm_mem_stats {
47 const char *name;
48 int succeed_count;
49 int free_count;
50 int fail_count;
51 unsigned long bytes_allocated;
52 unsigned long bytes_freed;
53 } drm_mem_stats_t;
54
55 static DRM_SPINTYPE DRM(mem_lock);
56 static unsigned long DRM(ram_available) = 0; /* In pages */
57 static unsigned long DRM(ram_used) = 0;
58 static drm_mem_stats_t DRM(mem_stats)[] = {
59 [DRM_MEM_DMA] = { "dmabufs" },
60 [DRM_MEM_SAREA] = { "sareas" },
61 [DRM_MEM_DRIVER] = { "driver" },
62 [DRM_MEM_MAGIC] = { "magic" },
63 [DRM_MEM_IOCTLS] = { "ioctltab" },
64 [DRM_MEM_MAPS] = { "maplist" },
65 [DRM_MEM_BUFS] = { "buflist" },
66 [DRM_MEM_SEGS] = { "seglist" },
67 [DRM_MEM_PAGES] = { "pagelist" },
68 [DRM_MEM_FILES] = { "files" },
69 [DRM_MEM_QUEUES] = { "queues" },
70 [DRM_MEM_CMDS] = { "commands" },
71 [DRM_MEM_MAPPINGS] = { "mappings" },
72 [DRM_MEM_BUFLISTS] = { "buflists" },
73 [DRM_MEM_AGPLISTS] = { "agplist" },
74 [DRM_MEM_SGLISTS] = { "sglist" },
75 [DRM_MEM_TOTALAGP] = { "totalagp" },
76 [DRM_MEM_BOUNDAGP] = { "boundagp" },
77 [DRM_MEM_CTXBITMAP] = { "ctxbitmap"},
78 [DRM_MEM_STUB] = { "stub" },
79 { NULL, 0, } /* Last entry must be null */
80 };
81
82 void DRM(mem_init)(void)
83 {
84 drm_mem_stats_t *mem;
85
86 #ifdef __NetBSD__
87 malloc_type_attach(DRM(M_DRM));
88 #endif
89
90 DRM_SPININIT(DRM(mem_lock), "drm memory");
91
92 for (mem = DRM(mem_stats); mem->name; ++mem) {
93 mem->succeed_count = 0;
94 mem->free_count = 0;
95 mem->fail_count = 0;
96 mem->bytes_allocated = 0;
97 mem->bytes_freed = 0;
98 }
99
100 DRM(ram_available) = 0; /* si.totalram */
101 DRM(ram_used) = 0;
102 }
103
104 void DRM(mem_uninit)(void)
105 {
106 DRM_SPINUNINIT(DRM(mem_lock));
107 }
108
109 #if defined(__DragonFly__) || defined(__FreeBSD__)
110 /* drm_mem_info is called whenever a process reads /dev/drm/mem. */
111 static int
112 DRM(_mem_info)(drm_mem_stats_t *stats, struct sysctl_oid *oidp, void *arg1,
113 int arg2, struct sysctl_req *req)
114 {
115 drm_mem_stats_t *pt;
116 char buf[128];
117 int error;
118
119 DRM_SYSCTL_PRINT(" total counts "
120 " | outstanding \n");
121 DRM_SYSCTL_PRINT("type alloc freed fail bytes freed"
122 " | allocs bytes\n\n");
123 DRM_SYSCTL_PRINT("%-9.9s %5d %5d %4d %10lu |\n",
124 "system", 0, 0, 0, DRM(ram_available));
125 DRM_SYSCTL_PRINT("%-9.9s %5d %5d %4d %10lu |\n",
126 "locked", 0, 0, 0, DRM(ram_used));
127 DRM_SYSCTL_PRINT("\n");
128 for (pt = stats; pt->name; pt++) {
129 DRM_SYSCTL_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n",
130 pt->name,
131 pt->succeed_count,
132 pt->free_count,
133 pt->fail_count,
134 pt->bytes_allocated,
135 pt->bytes_freed,
136 pt->succeed_count - pt->free_count,
137 (long)pt->bytes_allocated
138 - (long)pt->bytes_freed);
139 }
140 SYSCTL_OUT(req, "", 1);
141
142 return 0;
143 }
144
145 int DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS
146 {
147 int ret;
148 drm_mem_stats_t *stats;
149
150 stats = kmalloc(sizeof(DRM(mem_stats)), DRM(M_DRM), M_WAITOK);
151
152 DRM_SPINLOCK(&DRM(mem_lock));
153 bcopy(DRM(mem_stats), stats, sizeof(DRM(mem_stats)));
154 DRM_SPINUNLOCK(&DRM(mem_lock));
155
156 ret = DRM(_mem_info)(stats, oidp, arg1, arg2, req);
157
158 kfree(stats, DRM(M_DRM));
159 return ret;
160 }
161 #endif /* __FreeBSD__ */
162
163 void *DRM(alloc)(size_t size, int area)
164 {
165 void *pt;
166
167 if (!size) {
168 DRM_MEM_ERROR(area, "Allocating 0 bytes\n");
169 return NULL;
170 }
171
172 if (!(pt = kmalloc(size, DRM(M_DRM), M_NOWAIT))) {
173 DRM_SPINLOCK(&DRM(mem_lock));
174 ++DRM(mem_stats)[area].fail_count;
175 DRM_SPINUNLOCK(&DRM(mem_lock));
176 return NULL;
177 }
178 DRM_SPINLOCK(&DRM(mem_lock));
179 ++DRM(mem_stats)[area].succeed_count;
180 DRM(mem_stats)[area].bytes_allocated += size;
181 DRM_SPINUNLOCK(&DRM(mem_lock));
182 return pt;
183 }
184
185 void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area)
186 {
187 void *pt;
188
189 if (!(pt = DRM(alloc)(size, area))) return NULL;
190 if (oldpt && oldsize) {
191 memcpy(pt, oldpt, oldsize);
192 DRM(free)(oldpt, oldsize, area);
193 }
194 return pt;
195 }
196
197 char *DRM(strdup)(const char *s, int area)
198 {
199 char *pt;
200 int length = s ? strlen(s) : 0;
201
202 if (!(pt = DRM(alloc)(length+1, area))) return NULL;
203 strcpy(pt, s);
204 return pt;
205 }
206
207 void DRM(strfree)(char *s, int area)
208 {
209 unsigned int size;
210
211 if (!s) return;
212
213 size = 1 + strlen(s);
214 DRM(free)((void *)s, size, area);
215 }
216
217 void DRM(free)(void *pt, size_t size, int area)
218 {
219 int alloc_count;
220 int free_count;
221
222 if (!pt)
223 DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n");
224 else
225 kfree(pt, DRM(M_DRM));
226 DRM_SPINLOCK(&DRM(mem_lock));
227 DRM(mem_stats)[area].bytes_freed += size;
228 free_count = ++DRM(mem_stats)[area].free_count;
229 alloc_count = DRM(mem_stats)[area].succeed_count;
230 DRM_SPINUNLOCK(&DRM(mem_lock));
231 if (free_count > alloc_count) {
232 DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n",
233 free_count, alloc_count);
234 }
235 }
236
237 void *DRM(ioremap)( drm_device_t *dev, drm_local_map_t *map )
238 {
239 void *pt;
240
241 if (!map->size) {
242 DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
243 "Mapping 0 bytes at 0x%08lx\n", map->offset);
244 return NULL;
245 }
246 #ifdef __NetBSD__
247 map->iot = dev->pa.pa_memt;
248 #endif
249
250 #if defined(__DragonFly__) || defined(__FreeBSD__)
251 if (!(pt = pmap_mapdev(map->offset, map->size))) {
252 #elif defined(__NetBSD__)
253 if (bus_space_map(map->iot, map->offset, map->size,
254 BUS_SPACE_MAP_LINEAR, &map->ioh)) {
255 #endif
256 DRM_SPINLOCK(&DRM(mem_lock));
257 ++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count;
258 DRM_SPINUNLOCK(&DRM(mem_lock));
259 return NULL;
260 }
261 #ifdef __NetBSD__
262 pt = bus_space_vaddr(map->iot, map->ioh);
263 #endif
264 DRM_SPINLOCK(&DRM(mem_lock));
265 ++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
266 DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += map->size;
267 DRM_SPINUNLOCK(&DRM(mem_lock));
268 return pt;
269 }
270
271 /* unused so far */
272 #if 0
273 void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size)
274 {
275 void *pt;
276
277 if (!size) {
278 DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
279 "Mapping 0 bytes at 0x%08lx\n", offset);
280 return NULL;
281 }
282
283 /* FIXME FOR BSD */
284 if (!(pt = ioremap_nocache(offset, size))) {
285 DRM_SPINLOCK(&DRM(mem_lock));
286 ++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count;
287 DRM_SPINUNLOCK(&DRM(mem_lock));
288 return NULL;
289 }
290 DRM_SPINLOCK(&DRM(mem_lock));
291 ++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
292 DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size;
293 DRM_SPINUNLOCK(&DRM(mem_lock));
294 return pt;
295 }
296 #endif
297
298 void DRM(ioremapfree)(drm_local_map_t *map)
299 {
300 int alloc_count;
301 int free_count;
302
303 if (map->handle == NULL)
304 DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
305 "Attempt to free NULL pointer\n");
306 else
307 #if defined(__DragonFly__) || defined(__FreeBSD__)
308 pmap_unmapdev((vm_offset_t) map->handle, map->size);
309 #elif defined(__NetBSD__)
310 bus_space_unmap(map->iot, map->ioh, map->size);
311 #endif
312
313 DRM_SPINLOCK(&DRM(mem_lock));
314 DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_freed += map->size;
315 free_count = ++DRM(mem_stats)[DRM_MEM_MAPPINGS].free_count;
316 alloc_count = DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count;
317 DRM_SPINUNLOCK(&DRM(mem_lock));
318 if (free_count > alloc_count) {
319 DRM_MEM_ERROR(DRM_MEM_MAPPINGS,
320 "Excess frees: %d frees, %d allocs\n",
321 free_count, alloc_count);
322 }
323 }
324
325 #if __REALLY_HAVE_AGP
326 agp_memory *DRM(alloc_agp)(int pages, u32 type)
327 {
328 agp_memory *handle;
329
330 if (!pages) {
331 DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n");
332 return NULL;
333 }
334
335 if ((handle = DRM(agp_allocate_memory)(pages, type))) {
336 DRM_SPINLOCK(&DRM(mem_lock));
337 ++DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count;
338 DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_allocated
339 += pages << PAGE_SHIFT;
340 DRM_SPINUNLOCK(&DRM(mem_lock));
341 return handle;
342 }
343 DRM_SPINLOCK(&DRM(mem_lock));
344 ++DRM(mem_stats)[DRM_MEM_TOTALAGP].fail_count;
345 DRM_SPINUNLOCK(&DRM(mem_lock));
346 return NULL;
347 }
348
349 int DRM(free_agp)(agp_memory *handle, int pages)
350 {
351 int alloc_count;
352 int free_count;
353
354 if (!handle) {
355 DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
356 "Attempt to free NULL AGP handle\n");
357 return DRM_ERR(EINVAL);
358 }
359
360 if (DRM(agp_free_memory)(handle)) {
361 DRM_SPINLOCK(&DRM(mem_lock));
362 free_count = ++DRM(mem_stats)[DRM_MEM_TOTALAGP].free_count;
363 alloc_count = DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count;
364 DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_freed
365 += pages << PAGE_SHIFT;
366 DRM_SPINUNLOCK(&DRM(mem_lock));
367 if (free_count > alloc_count) {
368 DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
369 "Excess frees: %d frees, %d allocs\n",
370 free_count, alloc_count);
371 }
372 return 0;
373 }
374 return DRM_ERR(EINVAL);
375 }
376
377 int DRM(bind_agp)(agp_memory *handle, unsigned int start)
378 {
379 int retcode;
380 device_t dev = DRM_AGP_FIND_DEVICE();
381 struct agp_memory_info info;
382
383 if (!dev)
384 return EINVAL;
385
386 if (!handle) {
387 DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
388 "Attempt to bind NULL AGP handle\n");
389 return DRM_ERR(EINVAL);
390 }
391
392 if (!(retcode = DRM(agp_bind_memory)(handle, start))) {
393 DRM_SPINLOCK(&DRM(mem_lock));
394 ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count;
395 agp_memory_info(dev, handle, &info);
396 DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_allocated
397 += info.ami_size;
398 DRM_SPINUNLOCK(&DRM(mem_lock));
399 return DRM_ERR(0);
400 }
401 DRM_SPINLOCK(&DRM(mem_lock));
402 ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].fail_count;
403 DRM_SPINUNLOCK(&DRM(mem_lock));
404 return DRM_ERR(retcode);
405 }
406
407 int DRM(unbind_agp)(agp_memory *handle)
408 {
409 int alloc_count;
410 int free_count;
411 int retcode = EINVAL;
412 device_t dev = DRM_AGP_FIND_DEVICE();
413 struct agp_memory_info info;
414
415 if (!dev)
416 return EINVAL;
417
418 if (!handle) {
419 DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
420 "Attempt to unbind NULL AGP handle\n");
421 return DRM_ERR(retcode);
422 }
423
424 agp_memory_info(dev, handle, &info);
425
426 if ((retcode = DRM(agp_unbind_memory)(handle)))
427 return DRM_ERR(retcode);
428
429 DRM_SPINLOCK(&DRM(mem_lock));
430 free_count = ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].free_count;
431 alloc_count = DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count;
432 DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_freed
433 += info.ami_size;
434 DRM_SPINUNLOCK(&DRM(mem_lock));
435 if (free_count > alloc_count) {
436 DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
437 "Excess frees: %d frees, %d allocs\n",
438 free_count, alloc_count);
439 }
440 return DRM_ERR(retcode);
441 }
442 #endif
A repo for keeping AMD64 port code before merging with the master