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) {
108 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan,
109 struct nouveau_abi16_ntfy *ntfy)
111 nouveau_mm_free(&chan->heap, &ntfy->node);
112 list_del(&ntfy->head);
117 nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,
118 struct nouveau_abi16_chan *chan)
120 struct nouveau_abi16_ntfy *ntfy, *temp;
122 /* wait for all activity to stop before releasing notify object, which
123 * may be still in use */
124 if (chan->chan && chan->ntfy)
125 nouveau_channel_idle(chan->chan);
127 /* cleanup notifier state */
128 list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) {
129 nouveau_abi16_ntfy_fini(chan, ntfy);
133 nouveau_bo_vma_del(chan->ntfy, &chan->ntfy_vma);
134 nouveau_bo_unpin(chan->ntfy);
135 drm_gem_object_unreference_unlocked(&chan->ntfy->gem);
138 if (chan->heap.block_size)
139 nouveau_mm_fini(&chan->heap);
141 /* destroy channel object, all children will be killed too */
143 abi16->handles &= ~(1ULL << (chan->chan->handle & 0xffff));
144 nouveau_channel_del(&chan->chan);
147 list_del(&chan->head);
152 nouveau_abi16_fini(struct nouveau_abi16 *abi16)
154 struct nouveau_cli *cli = (void *)abi16->client;
155 struct nouveau_abi16_chan *chan, *temp;
157 /* cleanup channels */
158 list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
159 nouveau_abi16_chan_fini(abi16, chan);
162 /* destroy the device object */
163 nouveau_object_del(abi16->client, NVDRM_CLIENT, NVDRM_DEVICE);
170 nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
172 struct nouveau_drm *drm = nouveau_drm(dev);
173 struct nouveau_device *device = nv_device(drm->device);
174 struct nouveau_timer *ptimer = nouveau_timer(device);
175 struct nouveau_graph *graph = (void *)nouveau_engine(device, NVDEV_ENGINE_GR);
176 struct drm_nouveau_getparam *getparam = data;
178 switch (getparam->param) {
179 case NOUVEAU_GETPARAM_CHIPSET_ID:
180 getparam->value = device->chipset;
182 case NOUVEAU_GETPARAM_PCI_VENDOR:
183 if (nv_device_is_pci(device))
184 getparam->value = dev->pdev->vendor;
188 case NOUVEAU_GETPARAM_PCI_DEVICE:
189 if (nv_device_is_pci(device))
190 getparam->value = dev->pdev->device;
194 case NOUVEAU_GETPARAM_BUS_TYPE:
195 if (!nv_device_is_pci(device))
198 if (drm_pci_device_is_agp(dev))
201 if (!pci_is_pcie(dev->pdev))
206 case NOUVEAU_GETPARAM_FB_SIZE:
207 getparam->value = drm->gem.vram_available;
209 case NOUVEAU_GETPARAM_AGP_SIZE:
210 getparam->value = drm->gem.gart_available;
212 case NOUVEAU_GETPARAM_VM_VRAM_BASE:
213 getparam->value = 0; /* deprecated */
215 case NOUVEAU_GETPARAM_PTIMER_TIME:
216 getparam->value = ptimer->read(ptimer);
218 case NOUVEAU_GETPARAM_HAS_BO_USAGE:
221 case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
224 case NOUVEAU_GETPARAM_GRAPH_UNITS:
225 getparam->value = graph->units ? graph->units(graph) : 0;
228 nv_debug(device, "unknown parameter %lld\n", getparam->param);
236 nouveau_abi16_ioctl_setparam(ABI16_IOCTL_ARGS)
242 nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
244 struct drm_nouveau_channel_alloc *init = data;
245 struct nouveau_cli *cli = nouveau_cli(file_priv);
246 struct nouveau_drm *drm = nouveau_drm(dev);
247 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
248 struct nouveau_abi16_chan *chan;
249 struct nouveau_client *client;
250 struct nouveau_device *device;
251 struct nouveau_instmem *imem;
252 struct nouveau_fb *pfb;
255 if (unlikely(!abi16))
259 return nouveau_abi16_put(abi16, -ENODEV);
261 client = nv_client(abi16->client);
262 device = nv_device(abi16->device);
263 imem = nouveau_instmem(device);
264 pfb = nouveau_fb(device);
266 /* hack to allow channel engine type specification on kepler */
267 if (device->card_type >= NV_E0) {
268 if (init->fb_ctxdma_handle != ~0)
269 init->fb_ctxdma_handle = NVE0_CHANNEL_IND_ENGINE_GR;
271 init->fb_ctxdma_handle = init->tt_ctxdma_handle;
273 /* allow flips to be executed if this is a graphics channel */
274 init->tt_ctxdma_handle = 0;
275 if (init->fb_ctxdma_handle == NVE0_CHANNEL_IND_ENGINE_GR)
276 init->tt_ctxdma_handle = 1;
279 if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0)
280 return nouveau_abi16_put(abi16, -EINVAL);
282 /* allocate "abi16 channel" data and make up a handle for it */
283 init->channel = __ffs64(~abi16->handles);
284 if (~abi16->handles == 0)
285 return nouveau_abi16_put(abi16, -ENOSPC);
287 chan = kzalloc(sizeof(*chan), GFP_KERNEL);
289 return nouveau_abi16_put(abi16, -ENOMEM);
291 INIT_LIST_HEAD(&chan->notifiers);
292 list_add(&chan->head, &abi16->channels);
293 abi16->handles |= (1ULL << init->channel);
295 /* create channel object and initialise dma and fence management */
296 ret = nouveau_channel_new(drm, cli, NVDRM_DEVICE, NVDRM_CHAN |
297 init->channel, init->fb_ctxdma_handle,
298 init->tt_ctxdma_handle, &chan->chan);
302 if (device->card_type >= NV_50)
303 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM |
304 NOUVEAU_GEM_DOMAIN_GART;
306 if (chan->chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM)
307 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM;
309 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
311 if (device->card_type < NV_10) {
312 init->subchan[0].handle = 0x00000000;
313 init->subchan[0].grclass = 0x0000;
314 init->subchan[1].handle = NvSw;
315 init->subchan[1].grclass = 0x506e;
316 init->nr_subchan = 2;
319 /* Named memory object area */
320 ret = nouveau_gem_new(dev, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART,
323 ret = nouveau_bo_pin(chan->ntfy, TTM_PL_FLAG_TT);
327 if (device->card_type >= NV_50) {
328 ret = nouveau_bo_vma_add(chan->ntfy, client->vm,
334 ret = drm_gem_handle_create(file_priv, &chan->ntfy->gem,
335 &init->notifier_handle);
339 ret = nouveau_mm_init(&chan->heap, 0, PAGE_SIZE, 1);
342 nouveau_abi16_chan_fini(abi16, chan);
343 return nouveau_abi16_put(abi16, ret);
348 nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS)
350 struct drm_nouveau_channel_free *req = data;
351 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
352 struct nouveau_abi16_chan *chan;
355 if (unlikely(!abi16))
358 list_for_each_entry(chan, &abi16->channels, head) {
359 if (chan->chan->handle == (NVDRM_CHAN | req->channel)) {
360 nouveau_abi16_chan_fini(abi16, chan);
361 return nouveau_abi16_put(abi16, 0);
365 return nouveau_abi16_put(abi16, ret);
369 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS)
371 struct drm_nouveau_grobj_alloc *init = data;
372 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
373 struct nouveau_drm *drm = nouveau_drm(dev);
374 struct nouveau_object *object;
377 if (unlikely(!abi16))
380 if (init->handle == ~0)
381 return nouveau_abi16_put(abi16, -EINVAL);
383 /* compatibility with userspace that assumes 506e for all chipsets */
384 if (init->class == 0x506e) {
385 init->class = nouveau_abi16_swclass(drm);
386 if (init->class == 0x906e)
387 return nouveau_abi16_put(abi16, 0);
390 ret = nouveau_object_new(abi16->client, NVDRM_CHAN | init->channel,
391 init->handle, init->class, NULL, 0, &object);
392 return nouveau_abi16_put(abi16, ret);
396 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
398 struct drm_nouveau_notifierobj_alloc *info = data;
399 struct nouveau_drm *drm = nouveau_drm(dev);
400 struct nouveau_device *device = nv_device(drm->device);
401 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
402 struct nouveau_abi16_chan *chan = NULL, *temp;
403 struct nouveau_abi16_ntfy *ntfy;
404 struct nouveau_object *object;
405 struct nv_dma_class args = {};
408 if (unlikely(!abi16))
411 /* completely unnecessary for these chipsets... */
412 if (unlikely(nv_device(abi16->device)->card_type >= NV_C0))
413 return nouveau_abi16_put(abi16, -EINVAL);
415 list_for_each_entry(temp, &abi16->channels, head) {
416 if (temp->chan->handle == (NVDRM_CHAN | info->channel)) {
423 return nouveau_abi16_put(abi16, -ENOENT);
425 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL);
427 return nouveau_abi16_put(abi16, -ENOMEM);
429 list_add(&ntfy->head, &chan->notifiers);
430 ntfy->handle = info->handle;
432 ret = nouveau_mm_head(&chan->heap, 1, info->size, info->size, 1,
437 args.start = ntfy->node->offset;
438 args.limit = ntfy->node->offset + ntfy->node->length - 1;
439 if (device->card_type >= NV_50) {
440 args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_VM;
441 args.start += chan->ntfy_vma.offset;
442 args.limit += chan->ntfy_vma.offset;
444 if (drm->agp.stat == ENABLED) {
445 args.flags = NV_DMA_TARGET_AGP | NV_DMA_ACCESS_RDWR;
446 args.start += drm->agp.base + chan->ntfy->bo.offset;
447 args.limit += drm->agp.base + chan->ntfy->bo.offset;
449 args.flags = NV_DMA_TARGET_VM | NV_DMA_ACCESS_RDWR;
450 args.start += chan->ntfy->bo.offset;
451 args.limit += chan->ntfy->bo.offset;
454 ret = nouveau_object_new(abi16->client, chan->chan->handle,
455 ntfy->handle, 0x003d, &args,
456 sizeof(args), &object);
460 info->offset = ntfy->node->offset;
464 nouveau_abi16_ntfy_fini(chan, ntfy);
465 return nouveau_abi16_put(abi16, ret);
469 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS)
471 struct drm_nouveau_gpuobj_free *fini = data;
472 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv, dev);
473 struct nouveau_abi16_chan *chan = NULL, *temp;
474 struct nouveau_abi16_ntfy *ntfy;
477 if (unlikely(!abi16))
480 list_for_each_entry(temp, &abi16->channels, head) {
481 if (temp->chan->handle == (NVDRM_CHAN | fini->channel)) {
488 return nouveau_abi16_put(abi16, -ENOENT);
490 /* synchronize with the user channel and destroy the gpu object */
491 nouveau_channel_idle(chan->chan);
493 ret = nouveau_object_del(abi16->client, chan->chan->handle, fini->handle);
495 return nouveau_abi16_put(abi16, ret);
497 /* cleanup extra state if this object was a notifier */
498 list_for_each_entry(ntfy, &chan->notifiers, head) {
499 if (ntfy->handle == fini->handle) {
500 nouveau_mm_free(&chan->heap, &ntfy->node);
501 list_del(&ntfy->head);
506 return nouveau_abi16_put(abi16, 0);