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2a259a3d BS |
1 | /* |
2 | * Copyright 2012 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 | */ | |
23 | ||
ebb945a9 BS |
24 | #include <core/object.h> |
25 | #include <core/client.h> | |
26 | #include <core/device.h> | |
27 | #include <core/class.h> | |
28 | #include <core/mm.h> | |
2a259a3d | 29 | |
ebb945a9 BS |
30 | #include <subdev/fb.h> |
31 | #include <subdev/timer.h> | |
32 | #include <subdev/instmem.h> | |
33 | ||
34 | #include "nouveau_drm.h" | |
2a259a3d | 35 | #include "nouveau_dma.h" |
ebb945a9 BS |
36 | #include "nouveau_gem.h" |
37 | #include "nouveau_chan.h" | |
2a259a3d | 38 | #include "nouveau_abi16.h" |
ebb945a9 BS |
39 | |
40 | struct nouveau_abi16 * | |
41 | nouveau_abi16_get(struct drm_file *file_priv, struct drm_device *dev) | |
42 | { | |
43 | struct nouveau_cli *cli = nouveau_cli(file_priv); | |
44 | mutex_lock(&cli->mutex); | |
45 | if (!cli->abi16) { | |
46 | struct nouveau_abi16 *abi16; | |
47 | cli->abi16 = abi16 = kzalloc(sizeof(*abi16), GFP_KERNEL); | |
48 | if (cli->abi16) { | |
49 | INIT_LIST_HEAD(&abi16->channels); | |
50 | abi16->client = nv_object(cli); | |
51 | ||
52 | /* allocate device object targeting client's default | |
53 | * device (ie. the one that belongs to the fd it | |
54 | * opened) | |
55 | */ | |
56 | if (nouveau_object_new(abi16->client, NVDRM_CLIENT, | |
57 | NVDRM_DEVICE, 0x0080, | |
58 | &(struct nv_device_class) { | |
59 | .device = ~0ULL, | |
60 | }, | |
61 | sizeof(struct nv_device_class), | |
62 | &abi16->device) == 0) | |
63 | return cli->abi16; | |
64 | ||
65 | kfree(cli->abi16); | |
66 | cli->abi16 = NULL; | |
67 | } | |
68 | ||
69 | mutex_unlock(&cli->mutex); | |
70 | } | |
71 | return cli->abi16; | |
72 | } | |
73 | ||
74 | int | |
75 | nouveau_abi16_put(struct nouveau_abi16 *abi16, int ret) | |
76 | { | |
77 | struct nouveau_cli *cli = (void *)abi16->client; | |
78 | mutex_unlock(&cli->mutex); | |
79 | return ret; | |
80 | } | |
81 | ||
82 | u16 | |
83 | nouveau_abi16_swclass(struct nouveau_drm *drm) | |
84 | { | |
85 | switch (nv_device(drm->device)->card_type) { | |
86 | case NV_04: | |
87 | return 0x006e; | |
88 | case NV_10: | |
89 | case NV_20: | |
90 | case NV_30: | |
91 | case NV_40: | |
92 | return 0x016e; | |
93 | case NV_50: | |
94 | return 0x506e; | |
95 | case NV_C0: | |
96 | case NV_D0: | |
97 | case NV_E0: | |
98 | return 0x906e; | |
99 | } | |
100 | ||
101 | return 0x0000; | |
102 | } | |
103 | ||
104 | static void | |
105 | nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan, | |
106 | struct nouveau_abi16_ntfy *ntfy) | |
107 | { | |
108 | nouveau_mm_free(&chan->heap, &ntfy->node); | |
109 | list_del(&ntfy->head); | |
110 | kfree(ntfy); | |
111 | } | |
112 | ||
113 | static void | |
114 | nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16, | |
115 | struct nouveau_abi16_chan *chan) | |
116 | { | |
117 | struct nouveau_abi16_ntfy *ntfy, *temp; | |
118 | ||
119 | /* cleanup notifier state */ | |
120 | list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) { | |
121 | nouveau_abi16_ntfy_fini(chan, ntfy); | |
122 | } | |
123 | ||
124 | if (chan->ntfy) { | |
125 | nouveau_bo_vma_del(chan->ntfy, &chan->ntfy_vma); | |
126 | drm_gem_object_unreference_unlocked(chan->ntfy->gem); | |
127 | } | |
128 | ||
129 | if (chan->heap.block_size) | |
130 | nouveau_mm_fini(&chan->heap); | |
131 | ||
132 | /* destroy channel object, all children will be killed too */ | |
133 | if (chan->chan) { | |
134 | abi16->handles &= ~(1 << (chan->chan->handle & 0xffff)); | |
135 | nouveau_channel_del(&chan->chan); | |
136 | } | |
137 | ||
138 | list_del(&chan->head); | |
139 | kfree(chan); | |
140 | } | |
141 | ||
142 | void | |
143 | nouveau_abi16_fini(struct nouveau_abi16 *abi16) | |
144 | { | |
145 | struct nouveau_cli *cli = (void *)abi16->client; | |
146 | struct nouveau_abi16_chan *chan, *temp; | |
147 | ||
148 | /* cleanup channels */ | |
149 | list_for_each_entry_safe(chan, temp, &abi16->channels, head) { | |
150 | nouveau_abi16_chan_fini(abi16, chan); | |
151 | } | |
152 | ||
153 | /* destroy the device object */ | |
154 | nouveau_object_del(abi16->client, NVDRM_CLIENT, NVDRM_DEVICE); | |
155 | ||
156 | kfree(cli->abi16); | |
157 | cli->abi16 = NULL; | |
158 | } | |
2a259a3d BS |
159 | |
160 | int | |
161 | nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS) | |
162 | { | |
ebb945a9 BS |
163 | struct nouveau_drm *drm = nouveau_drm(dev); |
164 | struct nouveau_device *device = nv_device(drm->device); | |
165 | struct nouveau_timer *ptimer = nouveau_timer(device); | |
2a259a3d BS |
166 | struct drm_nouveau_getparam *getparam = data; |
167 | ||
168 | switch (getparam->param) { | |
169 | case NOUVEAU_GETPARAM_CHIPSET_ID: | |
ebb945a9 | 170 | getparam->value = device->chipset; |
2a259a3d BS |
171 | break; |
172 | case NOUVEAU_GETPARAM_PCI_VENDOR: | |
173 | getparam->value = dev->pci_vendor; | |
174 | break; | |
175 | case NOUVEAU_GETPARAM_PCI_DEVICE: | |
176 | getparam->value = dev->pci_device; | |
177 | break; | |
178 | case NOUVEAU_GETPARAM_BUS_TYPE: | |
179 | if (drm_pci_device_is_agp(dev)) | |
180 | getparam->value = 0; | |
181 | else | |
182 | if (!pci_is_pcie(dev->pdev)) | |
183 | getparam->value = 1; | |
184 | else | |
185 | getparam->value = 2; | |
186 | break; | |
187 | case NOUVEAU_GETPARAM_FB_SIZE: | |
ebb945a9 | 188 | getparam->value = drm->gem.vram_available; |
2a259a3d BS |
189 | break; |
190 | case NOUVEAU_GETPARAM_AGP_SIZE: | |
ebb945a9 | 191 | getparam->value = drm->gem.gart_available; |
2a259a3d BS |
192 | break; |
193 | case NOUVEAU_GETPARAM_VM_VRAM_BASE: | |
194 | getparam->value = 0; /* deprecated */ | |
195 | break; | |
196 | case NOUVEAU_GETPARAM_PTIMER_TIME: | |
ebb945a9 | 197 | getparam->value = ptimer->read(ptimer); |
2a259a3d BS |
198 | break; |
199 | case NOUVEAU_GETPARAM_HAS_BO_USAGE: | |
200 | getparam->value = 1; | |
201 | break; | |
202 | case NOUVEAU_GETPARAM_HAS_PAGEFLIP: | |
203 | getparam->value = 1; | |
204 | break; | |
205 | case NOUVEAU_GETPARAM_GRAPH_UNITS: | |
206 | /* NV40 and NV50 versions are quite different, but register | |
207 | * address is the same. User is supposed to know the card | |
208 | * family anyway... */ | |
ebb945a9 BS |
209 | if (device->chipset >= 0x40) { |
210 | getparam->value = nv_rd32(device, 0x001540); | |
2a259a3d BS |
211 | break; |
212 | } | |
213 | /* FALLTHRU */ | |
214 | default: | |
ebb945a9 | 215 | nv_debug(device, "unknown parameter %lld\n", getparam->param); |
2a259a3d BS |
216 | return -EINVAL; |
217 | } | |
218 | ||
219 | return 0; | |
220 | } | |
221 | ||
222 | int | |
223 | nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS) | |
224 | { | |
225 | return -EINVAL; | |
226 | } | |
227 | ||
228 | int | |
229 | nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) | |
230 | { | |
2a259a3d | 231 | struct drm_nouveau_channel_alloc *init = data; |
ebb945a9 BS |
232 | struct nouveau_cli *cli = nouveau_cli(file_priv); |
233 | struct nouveau_drm *drm = nouveau_drm(dev); | |
234 | struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); | |
235 | struct nouveau_abi16_chan *chan; | |
236 | struct nouveau_client *client; | |
237 | struct nouveau_device *device; | |
238 | struct nouveau_instmem *imem; | |
239 | struct nouveau_fb *pfb; | |
2a259a3d BS |
240 | int ret; |
241 | ||
ebb945a9 BS |
242 | if (unlikely(!abi16)) |
243 | return -ENOMEM; | |
244 | client = nv_client(abi16->client); | |
2a259a3d BS |
245 | |
246 | if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0) | |
ebb945a9 BS |
247 | return nouveau_abi16_put(abi16, -EINVAL); |
248 | ||
249 | device = nv_device(abi16->device); | |
250 | imem = nouveau_instmem(device); | |
251 | pfb = nouveau_fb(device); | |
252 | ||
253 | /* allocate "abi16 channel" data and make up a handle for it */ | |
254 | init->channel = ffsll(~abi16->handles); | |
255 | if (!init->channel--) | |
256 | return nouveau_abi16_put(abi16, -ENOSPC); | |
257 | ||
258 | chan = kzalloc(sizeof(*chan), GFP_KERNEL); | |
259 | if (!chan) | |
260 | return nouveau_abi16_put(abi16, -ENOMEM); | |
261 | ||
262 | INIT_LIST_HEAD(&chan->notifiers); | |
263 | list_add(&chan->head, &abi16->channels); | |
264 | abi16->handles |= (1 << init->channel); | |
2a259a3d | 265 | |
ebb945a9 | 266 | /* create channel object and initialise dma and fence management */ |
49981046 BS |
267 | if (device->card_type >= NV_E0) { |
268 | init->fb_ctxdma_handle = NVE0_CHANNEL_IND_ENGINE_GR; | |
269 | init->tt_ctxdma_handle = 0; | |
270 | } | |
271 | ||
ebb945a9 BS |
272 | ret = nouveau_channel_new(drm, cli, NVDRM_DEVICE, NVDRM_CHAN | |
273 | init->channel, init->fb_ctxdma_handle, | |
274 | init->tt_ctxdma_handle, &chan->chan); | |
2a259a3d | 275 | if (ret) |
ebb945a9 BS |
276 | goto done; |
277 | ||
278 | if (device->card_type >= NV_50) | |
279 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM | | |
280 | NOUVEAU_GEM_DOMAIN_GART; | |
281 | else | |
282 | if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM) | |
2a259a3d | 283 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM; |
ebb945a9 BS |
284 | else |
285 | init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART; | |
2a259a3d | 286 | |
ebb945a9 | 287 | if (device->card_type < NV_C0) { |
2a259a3d BS |
288 | init->subchan[0].handle = 0x00000000; |
289 | init->subchan[0].grclass = 0x0000; | |
290 | init->subchan[1].handle = NvSw; | |
ebb945a9 | 291 | init->subchan[1].grclass = 0x506e; |
2a259a3d BS |
292 | init->nr_subchan = 2; |
293 | } | |
294 | ||
295 | /* Named memory object area */ | |
ebb945a9 BS |
296 | ret = nouveau_gem_new(dev, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART, |
297 | 0, 0, &chan->ntfy); | |
298 | if (ret == 0) | |
299 | ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT); | |
300 | if (ret) | |
301 | goto done; | |
302 | ||
303 | if (device->card_type >= NV_50) { | |
304 | ret = nouveau_bo_vma_add(chan->ntfy, client->vm, | |
305 | &chan->ntfy_vma); | |
306 | if (ret) | |
307 | goto done; | |
308 | } | |
309 | ||
310 | ret = drm_gem_handle_create(file_priv, chan->ntfy->gem, | |
2a259a3d | 311 | &init->notifier_handle); |
ebb945a9 BS |
312 | if (ret) |
313 | goto done; | |
2a259a3d | 314 | |
ebb945a9 BS |
315 | ret = nouveau_mm_init(&chan->heap, 0, PAGE_SIZE, 1); |
316 | done: | |
317 | if (ret) | |
318 | nouveau_abi16_chan_fini(abi16, chan); | |
319 | return nouveau_abi16_put(abi16, ret); | |
2a259a3d BS |
320 | } |
321 | ||
ebb945a9 | 322 | |
2a259a3d BS |
323 | int |
324 | nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS) | |
325 | { | |
326 | struct drm_nouveau_channel_free *req = data; | |
ebb945a9 BS |
327 | struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); |
328 | struct nouveau_abi16_chan *chan; | |
329 | int ret = -ENOENT; | |
2a259a3d | 330 | |
ebb945a9 BS |
331 | if (unlikely(!abi16)) |
332 | return -ENOMEM; | |
2a259a3d | 333 | |
ebb945a9 BS |
334 | list_for_each_entry(chan, &abi16->channels, head) { |
335 | if (chan->chan->handle == (NVDRM_CHAN | req->channel)) { | |
336 | nouveau_abi16_chan_fini(abi16, chan); | |
337 | return nouveau_abi16_put(abi16, 0); | |
338 | } | |
339 | } | |
340 | ||
341 | return nouveau_abi16_put(abi16, ret); | |
2a259a3d BS |
342 | } |
343 | ||
344 | int | |
345 | nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS) | |
346 | { | |
347 | struct drm_nouveau_grobj_alloc *init = data; | |
ebb945a9 BS |
348 | struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); |
349 | struct nouveau_drm *drm = nouveau_drm(dev); | |
350 | struct nouveau_object *object; | |
2a259a3d BS |
351 | int ret; |
352 | ||
ebb945a9 BS |
353 | if (unlikely(!abi16)) |
354 | return -ENOMEM; | |
355 | ||
2a259a3d | 356 | if (init->handle == ~0) |
ebb945a9 | 357 | return nouveau_abi16_put(abi16, -EINVAL); |
2a259a3d BS |
358 | |
359 | /* compatibility with userspace that assumes 506e for all chipsets */ | |
360 | if (init->class == 0x506e) { | |
ebb945a9 | 361 | init->class = nouveau_abi16_swclass(drm); |
2a259a3d | 362 | if (init->class == 0x906e) |
ebb945a9 | 363 | return nouveau_abi16_put(abi16, 0); |
2a259a3d BS |
364 | } |
365 | ||
ebb945a9 BS |
366 | ret = nouveau_object_new(abi16->client, NVDRM_CHAN | init->channel, |
367 | init->handle, init->class, NULL, 0, &object); | |
368 | return nouveau_abi16_put(abi16, ret); | |
2a259a3d BS |
369 | } |
370 | ||
371 | int | |
372 | nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS) | |
373 | { | |
ebb945a9 BS |
374 | struct drm_nouveau_notifierobj_alloc *info = data; |
375 | struct nouveau_drm *drm = nouveau_drm(dev); | |
376 | struct nouveau_device *device = nv_device(drm->device); | |
377 | struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); | |
378 | struct nouveau_abi16_chan *chan, *temp; | |
379 | struct nouveau_abi16_ntfy *ntfy; | |
380 | struct nouveau_object *object; | |
381 | struct nv_dma_class args; | |
2a259a3d BS |
382 | int ret; |
383 | ||
ebb945a9 BS |
384 | if (unlikely(!abi16)) |
385 | return -ENOMEM; | |
386 | ||
2a259a3d | 387 | /* completely unnecessary for these chipsets... */ |
ebb945a9 BS |
388 | if (unlikely(nv_device(abi16->device)->card_type >= NV_C0)) |
389 | return nouveau_abi16_put(abi16, -EINVAL); | |
2a259a3d | 390 | |
ebb945a9 BS |
391 | list_for_each_entry_safe(chan, temp, &abi16->channels, head) { |
392 | if (chan->chan->handle == (NVDRM_CHAN | info->channel)) | |
393 | break; | |
394 | chan = NULL; | |
395 | } | |
2a259a3d | 396 | |
ebb945a9 BS |
397 | if (!chan) |
398 | return nouveau_abi16_put(abi16, -ENOENT); | |
399 | ||
400 | ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL); | |
401 | if (!ntfy) | |
402 | return nouveau_abi16_put(abi16, -ENOMEM); | |
403 | ||
404 | list_add(&ntfy->head, &chan->notifiers); | |
405 | ntfy->handle = info->handle; | |
406 | ||
407 | ret = nouveau_mm_head(&chan->heap, 1, info->size, info->size, 1, | |
408 | &ntfy->node); | |
409 | if (ret) | |
410 | goto done; | |
411 | ||
412 | args.start = ntfy->node->offset; | |
413 | args.limit = ntfy->node->offset + ntfy->node->length - 1; | |
414 | if (device->card_type >= NV_50) { | |
415 | args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM; | |
416 | args.start += chan->ntfy_vma.offset; | |
417 | args.limit += chan->ntfy_vma.offset; | |
418 | } else | |
419 | if (drm->agp.stat == ENABLED) { | |
420 | args.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR; | |
421 | args.start += drm->agp.base + chan->ntfy->bo.offset; | |
422 | args.limit += drm->agp.base + chan->ntfy->bo.offset; | |
423 | } else { | |
424 | args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR; | |
425 | args.start += chan->ntfy->bo.offset; | |
426 | args.limit += chan->ntfy->bo.offset; | |
427 | } | |
428 | ||
429 | ret = nouveau_object_new(abi16->client, chan->chan->handle, | |
430 | ntfy->handle, 0x003d, &args, | |
431 | sizeof(args), &object); | |
432 | if (ret) | |
433 | goto done; | |
434 | ||
435 | done: | |
436 | if (ret) | |
437 | nouveau_abi16_ntfy_fini(chan, ntfy); | |
438 | return nouveau_abi16_put(abi16, ret); | |
2a259a3d BS |
439 | } |
440 | ||
441 | int | |
442 | nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS) | |
443 | { | |
ebb945a9 BS |
444 | struct drm_nouveau_gpuobj_free *fini = data; |
445 | struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev); | |
446 | struct nouveau_abi16_chan *chan, *temp; | |
447 | struct nouveau_abi16_ntfy *ntfy; | |
2a259a3d BS |
448 | int ret; |
449 | ||
ebb945a9 BS |
450 | if (unlikely(!abi16)) |
451 | return -ENOMEM; | |
452 | ||
453 | list_for_each_entry_safe(chan, temp, &abi16->channels, head) { | |
454 | if (chan->chan->handle == (NVDRM_CHAN | fini->channel)) | |
455 | break; | |
456 | chan = NULL; | |
457 | } | |
458 | ||
459 | if (!chan) | |
460 | return nouveau_abi16_put(abi16, -ENOENT); | |
2a259a3d | 461 | |
ebb945a9 BS |
462 | /* synchronize with the user channel and destroy the gpu object */ |
463 | nouveau_channel_idle(chan->chan); | |
2a259a3d | 464 | |
ebb945a9 BS |
465 | ret = nouveau_object_del(abi16->client, chan->chan->handle, fini->handle); |
466 | if (ret) | |
467 | return nouveau_abi16_put(abi16, ret); | |
468 | ||
469 | /* cleanup extra state if this object was a notifier */ | |
470 | list_for_each_entry(ntfy, &chan->notifiers, head) { | |
471 | if (ntfy->handle == fini->handle) { | |
472 | nouveau_mm_free(&chan->heap, &ntfy->node); | |
473 | list_del(&ntfy->head); | |
474 | break; | |
475 | } | |
476 | } | |
477 | ||
478 | return nouveau_abi16_put(abi16, 0); | |
2a259a3d | 479 | } |