2 * Copyright 2012 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #include <core/object.h>
25 #include <core/client.h>
26 #include <core/device.h>
27 #include <core/class.h>
30 #include <subdev/fb.h>
31 #include <subdev/timer.h>
32 #include <subdev/instmem.h>
33 #include <engine/graph.h>
35 #include "nouveau_drm.h"
36 #include "nouveau_dma.h"
37 #include "nouveau_gem.h"
38 #include "nouveau_chan.h"
39 #include "nouveau_abi16.h"
41 struct nouveau_abi16 *
42 nouveau_abi16_get(struct drm_file *file_priv, struct drm_device *dev)
44 struct nouveau_cli *cli = nouveau_cli(file_priv);
45 mutex_lock(&cli->mutex);
47 struct nouveau_abi16 *abi16;
48 cli->abi16 = abi16 = kzalloc(sizeof(*abi16), GFP_KERNEL);
50 INIT_LIST_HEAD(&abi16->channels);
51 abi16->client = nv_object(cli);
53 /* allocate device object targeting client's default
54 * device (ie. the one that belongs to the fd it
57 if (nouveau_object_new(abi16->client, NVDRM_CLIENT,
59 &(struct nv_device_class) {
62 sizeof(struct nv_device_class),
70 mutex_unlock(&cli->mutex);
76 nouveau_abi16_put(struct nouveau_abi16 *abi16, int ret)
78 struct nouveau_cli *cli = (void *)abi16->client;
79 mutex_unlock(&cli->mutex);
84 nouveau_abi16_swclass(struct nouveau_drm *drm)
86 switch (nv_device(drm->device)->card_type) {
107 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan,
108 struct nouveau_abi16_ntfy *ntfy)
110 nouveau_mm_free(&chan->heap, &ntfy->node);
111 list_del(&ntfy->head);
116 nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,
117 struct nouveau_abi16_chan *chan)
119 struct nouveau_abi16_ntfy *ntfy, *temp;
121 /* wait for all activity to stop before releasing notify object, which
122 * may be still in use */
123 if (chan->chan && chan->ntfy)
124 nouveau_channel_idle(chan->chan);
126 /* cleanup notifier state */
127 list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) {
128 nouveau_abi16_ntfy_fini(chan, ntfy);
132 nouveau_bo_vma_del(chan->ntfy, &chan->ntfy_vma);
133 nouveau_bo_unpin(chan->ntfy);
134 drm_gem_object_unreference_unlocked(&chan->ntfy->gem);
137 if (chan->heap.block_size)
138 nouveau_mm_fini(&chan->heap);
140 /* destroy channel object, all children will be killed too */
142 abi16->handles &= ~(1ULL << (chan->chan->handle & 0xffff));
143 nouveau_channel_del(&chan->chan);
146 list_del(&chan->head);
151 nouveau_abi16_fini(struct nouveau_abi16 *abi16)
153 struct nouveau_cli *cli = (void *)abi16->client;
154 struct nouveau_abi16_chan *chan, *temp;
156 /* cleanup channels */
157 list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
158 nouveau_abi16_chan_fini(abi16, chan);
161 /* destroy the device object */
162 nouveau_object_del(abi16->client, NVDRM_CLIENT, NVDRM_DEVICE);
169 nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
171 struct nouveau_drm *drm = nouveau_drm(dev);
172 struct nouveau_device *device = nv_device(drm->device);
173 struct nouveau_timer *ptimer = nouveau_timer(device);
174 struct nouveau_graph *graph = (void *)nouveau_engine(device, NVDEV_ENGINE_GR);
175 struct drm_nouveau_getparam *getparam = data;
177 switch (getparam->param) {
178 case NOUVEAU_GETPARAM_CHIPSET_ID:
179 getparam->value = device->chipset;
181 case NOUVEAU_GETPARAM_PCI_VENDOR:
182 if (nv_device_is_pci(device))
183 getparam->value = dev->pdev->vendor;
187 case NOUVEAU_GETPARAM_PCI_DEVICE:
188 if (nv_device_is_pci(device))
189 getparam->value = dev->pdev->device;
193 case NOUVEAU_GETPARAM_BUS_TYPE:
194 if (!nv_device_is_pci(device))
197 if (drm_pci_device_is_agp(dev))
200 if (!pci_is_pcie(dev->pdev))
205 case NOUVEAU_GETPARAM_FB_SIZE:
206 getparam->value = drm->gem.vram_available;
208 case NOUVEAU_GETPARAM_AGP_SIZE:
209 getparam->value = drm->gem.gart_available;
211 case NOUVEAU_GETPARAM_VM_VRAM_BASE:
212 getparam->value = 0; /* deprecated */
214 case NOUVEAU_GETPARAM_PTIMER_TIME:
215 getparam->value = ptimer->read(ptimer);
217 case NOUVEAU_GETPARAM_HAS_BO_USAGE:
220 case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
223 case NOUVEAU_GETPARAM_GRAPH_UNITS:
224 getparam->value = graph->units ? graph->units(graph) : 0;
227 nv_debug(device, "unknown parameter %lld\n", getparam->param);
235 nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS)
241 nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
243 struct drm_nouveau_channel_alloc *init = data;
244 struct nouveau_cli *cli = nouveau_cli(file_priv);
245 struct nouveau_drm *drm = nouveau_drm(dev);
246 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
247 struct nouveau_abi16_chan *chan;
248 struct nouveau_client *client;
249 struct nouveau_device *device;
250 struct nouveau_instmem *imem;
251 struct nouveau_fb *pfb;
254 if (unlikely(!abi16))
258 return nouveau_abi16_put(abi16, -ENODEV);
260 client = nv_client(abi16->client);
261 device = nv_device(abi16->device);
262 imem = nouveau_instmem(device);
263 pfb = nouveau_fb(device);
265 /* hack to allow channel engine type specification on kepler */
266 if (device->card_type >= NV_E0) {
267 if (init->fb_ctxdma_handle != ~0)
268 init->fb_ctxdma_handle = NVE0_CHANNEL_IND_ENGINE_GR;
270 init->fb_ctxdma_handle = init->tt_ctxdma_handle;
272 /* allow flips to be executed if this is a graphics channel */
273 init->tt_ctxdma_handle = 0;
274 if (init->fb_ctxdma_handle == NVE0_CHANNEL_IND_ENGINE_GR)
275 init->tt_ctxdma_handle = 1;
278 if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0)
279 return nouveau_abi16_put(abi16, -EINVAL);
281 /* allocate "abi16 channel" data and make up a handle for it */
282 init->channel = __ffs64(~abi16->handles);
283 if (~abi16->handles == 0)
284 return nouveau_abi16_put(abi16, -ENOSPC);
286 chan = kzalloc(sizeof(*chan), GFP_KERNEL);
288 return nouveau_abi16_put(abi16, -ENOMEM);
290 INIT_LIST_HEAD(&chan->notifiers);
291 list_add(&chan->head, &abi16->channels);
292 abi16->handles |= (1ULL << init->channel);
294 /* create channel object and initialise dma and fence management */
295 ret = nouveau_channel_new(drm, cli, NVDRM_DEVICE, NVDRM_CHAN |
296 init->channel, init->fb_ctxdma_handle,
297 init->tt_ctxdma_handle, &chan->chan);
301 if (device->card_type >= NV_50)
302 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM |
303 NOUVEAU_GEM_DOMAIN_GART;
305 if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM)
306 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM;
308 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
310 if (device->card_type < NV_10) {
311 init->subchan[0].handle = 0x00000000;
312 init->subchan[0].grclass = 0x0000;
313 init->subchan[1].handle = NvSw;
314 init->subchan[1].grclass = 0x506e;
315 init->nr_subchan = 2;
318 /* Named memory object area */
319 ret = nouveau_gem_new(dev, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART,
322 ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT);
326 if (device->card_type >= NV_50) {
327 ret = nouveau_bo_vma_add(chan->ntfy, client->vm,
333 ret = drm_gem_handle_create(file_priv, &chan->ntfy->gem,
334 &init->notifier_handle);
338 ret = nouveau_mm_init(&chan->heap, 0, PAGE_SIZE, 1);
341 nouveau_abi16_chan_fini(abi16, chan);
342 return nouveau_abi16_put(abi16, ret);
347 nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS)
349 struct drm_nouveau_channel_free *req = data;
350 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
351 struct nouveau_abi16_chan *chan;
354 if (unlikely(!abi16))
357 list_for_each_entry(chan, &abi16->channels, head) {
358 if (chan->chan->handle == (NVDRM_CHAN | req->channel)) {
359 nouveau_abi16_chan_fini(abi16, chan);
360 return nouveau_abi16_put(abi16, 0);
364 return nouveau_abi16_put(abi16, ret);
368 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS)
370 struct drm_nouveau_grobj_alloc *init = data;
371 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
372 struct nouveau_drm *drm = nouveau_drm(dev);
373 struct nouveau_object *object;
376 if (unlikely(!abi16))
379 if (init->handle == ~0)
380 return nouveau_abi16_put(abi16, -EINVAL);
382 /* compatibility with userspace that assumes 506e for all chipsets */
383 if (init->class == 0x506e) {
384 init->class = nouveau_abi16_swclass(drm);
385 if (init->class == 0x906e)
386 return nouveau_abi16_put(abi16, 0);
389 ret = nouveau_object_new(abi16->client, NVDRM_CHAN | init->channel,
390 init->handle, init->class, NULL, 0, &object);
391 return nouveau_abi16_put(abi16, ret);
395 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
397 struct drm_nouveau_notifierobj_alloc *info = data;
398 struct nouveau_drm *drm = nouveau_drm(dev);
399 struct nouveau_device *device = nv_device(drm->device);
400 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
401 struct nouveau_abi16_chan *chan = NULL, *temp;
402 struct nouveau_abi16_ntfy *ntfy;
403 struct nouveau_object *object;
404 struct nv_dma_class args = {};
407 if (unlikely(!abi16))
410 /* completely unnecessary for these chipsets... */
411 if (unlikely(nv_device(abi16->device)->card_type >= NV_C0))
412 return nouveau_abi16_put(abi16, -EINVAL);
414 list_for_each_entry(temp, &abi16->channels, head) {
415 if (temp->chan->handle == (NVDRM_CHAN | info->channel)) {
422 return nouveau_abi16_put(abi16, -ENOENT);
424 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL);
426 return nouveau_abi16_put(abi16, -ENOMEM);
428 list_add(&ntfy->head, &chan->notifiers);
429 ntfy->handle = info->handle;
431 ret = nouveau_mm_head(&chan->heap, 1, info->size, info->size, 1,
436 args.start = ntfy->node->offset;
437 args.limit = ntfy->node->offset + ntfy->node->length - 1;
438 if (device->card_type >= NV_50) {
439 args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM;
440 args.start += chan->ntfy_vma.offset;
441 args.limit += chan->ntfy_vma.offset;
443 if (drm->agp.stat == ENABLED) {
444 args.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR;
445 args.start += drm->agp.base + chan->ntfy->bo.offset;
446 args.limit += drm->agp.base + chan->ntfy->bo.offset;
448 args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR;
449 args.start += chan->ntfy->bo.offset;
450 args.limit += chan->ntfy->bo.offset;
453 ret = nouveau_object_new(abi16->client, chan->chan->handle,
454 ntfy->handle, 0x003d, &args,
455 sizeof(args), &object);
459 info->offset = ntfy->node->offset;
463 nouveau_abi16_ntfy_fini(chan, ntfy);
464 return nouveau_abi16_put(abi16, ret);
468 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS)
470 struct drm_nouveau_gpuobj_free *fini = data;
471 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
472 struct nouveau_abi16_chan *chan = NULL, *temp;
473 struct nouveau_abi16_ntfy *ntfy;
476 if (unlikely(!abi16))
479 list_for_each_entry(temp, &abi16->channels, head) {
480 if (temp->chan->handle == (NVDRM_CHAN | fini->channel)) {
487 return nouveau_abi16_put(abi16, -ENOENT);
489 /* synchronize with the user channel and destroy the gpu object */
490 nouveau_channel_idle(chan->chan);
492 ret = nouveau_object_del(abi16->client, chan->chan->handle, fini->handle);
494 return nouveau_abi16_put(abi16, ret);
496 /* cleanup extra state if this object was a notifier */
497 list_for_each_entry(ntfy, &chan->notifiers, head) {
498 if (ntfy->handle == fini->handle) {
499 nouveau_mm_free(&chan->heap, &ntfy->node);
500 list_del(&ntfy->head);
505 return nouveau_abi16_put(abi16, 0);