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) {
106 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan,
107 struct nouveau_abi16_ntfy *ntfy)
109 nouveau_mm_free(&chan->heap, &ntfy->node);
110 list_del(&ntfy->head);
115 nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,
116 struct nouveau_abi16_chan *chan)
118 struct nouveau_abi16_ntfy *ntfy, *temp;
120 /* wait for all activity to stop before releasing notify object, which
121 * may be still in use */
122 if (chan->chan && chan->ntfy)
123 nouveau_channel_idle(chan->chan);
125 /* cleanup notifier state */
126 list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) {
127 nouveau_abi16_ntfy_fini(chan, ntfy);
131 nouveau_bo_vma_del(chan->ntfy, &chan->ntfy_vma);
132 nouveau_bo_unpin(chan->ntfy);
133 drm_gem_object_unreference_unlocked(chan->ntfy->gem);
136 if (chan->heap.block_size)
137 nouveau_mm_fini(&chan->heap);
139 /* destroy channel object, all children will be killed too */
141 abi16->handles &= ~(1 << (chan->chan->handle & 0xffff));
142 nouveau_channel_del(&chan->chan);
145 list_del(&chan->head);
150 nouveau_abi16_fini(struct nouveau_abi16 *abi16)
152 struct nouveau_cli *cli = (void *)abi16->client;
153 struct nouveau_abi16_chan *chan, *temp;
155 /* cleanup channels */
156 list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
157 nouveau_abi16_chan_fini(abi16, chan);
160 /* destroy the device object */
161 nouveau_object_del(abi16->client, NVDRM_CLIENT, NVDRM_DEVICE);
168 nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
170 struct nouveau_drm *drm = nouveau_drm(dev);
171 struct nouveau_device *device = nv_device(drm->device);
172 struct nouveau_timer *ptimer = nouveau_timer(device);
173 struct nouveau_graph *graph = (void *)nouveau_engine(device, NVDEV_ENGINE_GR);
174 struct drm_nouveau_getparam *getparam = data;
176 switch (getparam->param) {
177 case NOUVEAU_GETPARAM_CHIPSET_ID:
178 getparam->value = device->chipset;
180 case NOUVEAU_GETPARAM_PCI_VENDOR:
181 getparam->value = dev->pci_vendor;
183 case NOUVEAU_GETPARAM_PCI_DEVICE:
184 getparam->value = dev->pci_device;
186 case NOUVEAU_GETPARAM_BUS_TYPE:
187 if (drm_pci_device_is_agp(dev))
190 if (!pci_is_pcie(dev->pdev))
195 case NOUVEAU_GETPARAM_FB_SIZE:
196 getparam->value = drm->gem.vram_available;
198 case NOUVEAU_GETPARAM_AGP_SIZE:
199 getparam->value = drm->gem.gart_available;
201 case NOUVEAU_GETPARAM_VM_VRAM_BASE:
202 getparam->value = 0; /* deprecated */
204 case NOUVEAU_GETPARAM_PTIMER_TIME:
205 getparam->value = ptimer->read(ptimer);
207 case NOUVEAU_GETPARAM_HAS_BO_USAGE:
210 case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
213 case NOUVEAU_GETPARAM_GRAPH_UNITS:
214 getparam->value = graph->units ? graph->units(graph) : 0;
217 nv_debug(device, "unknown parameter %lld\n", getparam->param);
225 nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS)
231 nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
233 struct drm_nouveau_channel_alloc *init = data;
234 struct nouveau_cli *cli = nouveau_cli(file_priv);
235 struct nouveau_drm *drm = nouveau_drm(dev);
236 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
237 struct nouveau_abi16_chan *chan;
238 struct nouveau_client *client;
239 struct nouveau_device *device;
240 struct nouveau_instmem *imem;
241 struct nouveau_fb *pfb;
244 if (unlikely(!abi16))
248 return nouveau_abi16_put(abi16, -ENODEV);
250 client = nv_client(abi16->client);
251 device = nv_device(abi16->device);
252 imem = nouveau_instmem(device);
253 pfb = nouveau_fb(device);
255 /* hack to allow channel engine type specification on kepler */
256 if (device->card_type >= NV_E0) {
257 if (init->fb_ctxdma_handle != ~0)
258 init->fb_ctxdma_handle = NVE0_CHANNEL_IND_ENGINE_GR;
260 init->fb_ctxdma_handle = init->tt_ctxdma_handle;
262 /* allow flips to be executed if this is a graphics channel */
263 init->tt_ctxdma_handle = 0;
264 if (init->fb_ctxdma_handle == NVE0_CHANNEL_IND_ENGINE_GR)
265 init->tt_ctxdma_handle = 1;
268 if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0)
269 return nouveau_abi16_put(abi16, -EINVAL);
271 /* allocate "abi16 channel" data and make up a handle for it */
272 init->channel = ffsll(~abi16->handles);
273 if (!init->channel--)
274 return nouveau_abi16_put(abi16, -ENOSPC);
276 chan = kzalloc(sizeof(*chan), GFP_KERNEL);
278 return nouveau_abi16_put(abi16, -ENOMEM);
280 INIT_LIST_HEAD(&chan->notifiers);
281 list_add(&chan->head, &abi16->channels);
282 abi16->handles |= (1 << init->channel);
284 /* create channel object and initialise dma and fence management */
285 ret = nouveau_channel_new(drm, cli, NVDRM_DEVICE, NVDRM_CHAN |
286 init->channel, init->fb_ctxdma_handle,
287 init->tt_ctxdma_handle, &chan->chan);
291 if (device->card_type >= NV_50)
292 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM |
293 NOUVEAU_GEM_DOMAIN_GART;
295 if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM)
296 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM;
298 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
300 if (device->card_type < NV_C0) {
301 init->subchan[0].handle = 0x00000000;
302 init->subchan[0].grclass = 0x0000;
303 init->subchan[1].handle = NvSw;
304 init->subchan[1].grclass = 0x506e;
305 init->nr_subchan = 2;
308 /* Named memory object area */
309 ret = nouveau_gem_new(dev, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART,
312 ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT);
316 if (device->card_type >= NV_50) {
317 ret = nouveau_bo_vma_add(chan->ntfy, client->vm,
323 ret = drm_gem_handle_create(file_priv, chan->ntfy->gem,
324 &init->notifier_handle);
328 ret = nouveau_mm_init(&chan->heap, 0, PAGE_SIZE, 1);
331 nouveau_abi16_chan_fini(abi16, chan);
332 return nouveau_abi16_put(abi16, ret);
337 nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS)
339 struct drm_nouveau_channel_free *req = data;
340 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
341 struct nouveau_abi16_chan *chan;
344 if (unlikely(!abi16))
347 list_for_each_entry(chan, &abi16->channels, head) {
348 if (chan->chan->handle == (NVDRM_CHAN | req->channel)) {
349 nouveau_abi16_chan_fini(abi16, chan);
350 return nouveau_abi16_put(abi16, 0);
354 return nouveau_abi16_put(abi16, ret);
358 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS)
360 struct drm_nouveau_grobj_alloc *init = data;
361 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
362 struct nouveau_drm *drm = nouveau_drm(dev);
363 struct nouveau_object *object;
366 if (unlikely(!abi16))
369 if (init->handle == ~0)
370 return nouveau_abi16_put(abi16, -EINVAL);
372 /* compatibility with userspace that assumes 506e for all chipsets */
373 if (init->class == 0x506e) {
374 init->class = nouveau_abi16_swclass(drm);
375 if (init->class == 0x906e)
376 return nouveau_abi16_put(abi16, 0);
379 ret = nouveau_object_new(abi16->client, NVDRM_CHAN | init->channel,
380 init->handle, init->class, NULL, 0, &object);
381 return nouveau_abi16_put(abi16, ret);
385 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
387 struct drm_nouveau_notifierobj_alloc *info = data;
388 struct nouveau_drm *drm = nouveau_drm(dev);
389 struct nouveau_device *device = nv_device(drm->device);
390 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
391 struct nouveau_abi16_chan *chan = NULL, *temp;
392 struct nouveau_abi16_ntfy *ntfy;
393 struct nouveau_object *object;
394 struct nv_dma_class args = {};
397 if (unlikely(!abi16))
400 /* completely unnecessary for these chipsets... */
401 if (unlikely(nv_device(abi16->device)->card_type >= NV_C0))
402 return nouveau_abi16_put(abi16, -EINVAL);
404 list_for_each_entry(temp, &abi16->channels, head) {
405 if (temp->chan->handle == (NVDRM_CHAN | info->channel)) {
412 return nouveau_abi16_put(abi16, -ENOENT);
414 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL);
416 return nouveau_abi16_put(abi16, -ENOMEM);
418 list_add(&ntfy->head, &chan->notifiers);
419 ntfy->handle = info->handle;
421 ret = nouveau_mm_head(&chan->heap, 1, info->size, info->size, 1,
426 args.start = ntfy->node->offset;
427 args.limit = ntfy->node->offset + ntfy->node->length - 1;
428 if (device->card_type >= NV_50) {
429 args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM;
430 args.start += chan->ntfy_vma.offset;
431 args.limit += chan->ntfy_vma.offset;
433 if (drm->agp.stat == ENABLED) {
434 args.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR;
435 args.start += drm->agp.base + chan->ntfy->bo.offset;
436 args.limit += drm->agp.base + chan->ntfy->bo.offset;
438 args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR;
439 args.start += chan->ntfy->bo.offset;
440 args.limit += chan->ntfy->bo.offset;
443 ret = nouveau_object_new(abi16->client, chan->chan->handle,
444 ntfy->handle, 0x003d, &args,
445 sizeof(args), &object);
451 nouveau_abi16_ntfy_fini(chan, ntfy);
452 return nouveau_abi16_put(abi16, ret);
456 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS)
458 struct drm_nouveau_gpuobj_free *fini = data;
459 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
460 struct nouveau_abi16_chan *chan = NULL, *temp;
461 struct nouveau_abi16_ntfy *ntfy;
464 if (unlikely(!abi16))
467 list_for_each_entry(temp, &abi16->channels, head) {
468 if (temp->chan->handle == (NVDRM_CHAN | fini->channel)) {
475 return nouveau_abi16_put(abi16, -ENOENT);
477 /* synchronize with the user channel and destroy the gpu object */
478 nouveau_channel_idle(chan->chan);
480 ret = nouveau_object_del(abi16->client, chan->chan->handle, fini->handle);
482 return nouveau_abi16_put(abi16, ret);
484 /* cleanup extra state if this object was a notifier */
485 list_for_each_entry(ntfy, &chan->notifiers, head) {
486 if (ntfy->handle == fini->handle) {
487 nouveau_mm_free(&chan->heap, &ntfy->node);
488 list_del(&ntfy->head);
493 return nouveau_abi16_put(abi16, 0);