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 <nvif/client.h>
25 #include <nvif/driver.h>
26 #include <nvif/fifo.h>
27 #include <nvif/ioctl.h>
28 #include <nvif/class.h>
29 #include <nvif/cl0002.h>
30 #include <nvif/unpack.h>
32 #include "nouveau_drv.h"
33 #include "nouveau_dma.h"
34 #include "nouveau_exec.h"
35 #include "nouveau_gem.h"
36 #include "nouveau_chan.h"
37 #include "nouveau_abi16.h"
38 #include "nouveau_vmm.h"
39 #include "nouveau_sched.h"
41 static struct nouveau_abi16 *
42 nouveau_abi16(struct drm_file *file_priv)
44 struct nouveau_cli *cli = nouveau_cli(file_priv);
46 struct nouveau_abi16 *abi16;
47 cli->abi16 = abi16 = kzalloc(sizeof(*abi16), GFP_KERNEL);
49 struct nv_device_v0 args = {
53 INIT_LIST_HEAD(&abi16->channels);
55 /* allocate device object targeting client's default
56 * device (ie. the one that belongs to the fd it
59 if (nvif_device_ctor(&cli->base.object, "abi16Device",
60 0, NV_DEVICE, &args, sizeof(args),
71 struct nouveau_abi16 *
72 nouveau_abi16_get(struct drm_file *file_priv)
74 struct nouveau_cli *cli = nouveau_cli(file_priv);
75 mutex_lock(&cli->mutex);
76 if (nouveau_abi16(file_priv))
78 mutex_unlock(&cli->mutex);
83 nouveau_abi16_put(struct nouveau_abi16 *abi16, int ret)
85 struct nouveau_cli *cli = (void *)abi16->device.object.client;
86 mutex_unlock(&cli->mutex);
91 nouveau_abi16_swclass(struct nouveau_drm *drm)
93 switch (drm->client.device.info.family) {
94 case NV_DEVICE_INFO_V0_TNT:
95 return NVIF_CLASS_SW_NV04;
96 case NV_DEVICE_INFO_V0_CELSIUS:
97 case NV_DEVICE_INFO_V0_KELVIN:
98 case NV_DEVICE_INFO_V0_RANKINE:
99 case NV_DEVICE_INFO_V0_CURIE:
100 return NVIF_CLASS_SW_NV10;
101 case NV_DEVICE_INFO_V0_TESLA:
102 return NVIF_CLASS_SW_NV50;
103 case NV_DEVICE_INFO_V0_FERMI:
104 case NV_DEVICE_INFO_V0_KEPLER:
105 case NV_DEVICE_INFO_V0_MAXWELL:
106 case NV_DEVICE_INFO_V0_PASCAL:
107 case NV_DEVICE_INFO_V0_VOLTA:
108 return NVIF_CLASS_SW_GF100;
115 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan *chan,
116 struct nouveau_abi16_ntfy *ntfy)
118 nvif_object_dtor(&ntfy->object);
119 nvkm_mm_free(&chan->heap, &ntfy->node);
120 list_del(&ntfy->head);
125 nouveau_abi16_chan_fini(struct nouveau_abi16 *abi16,
126 struct nouveau_abi16_chan *chan)
128 struct nouveau_abi16_ntfy *ntfy, *temp;
130 /* When a client exits without waiting for it's queued up jobs to
131 * finish it might happen that we fault the channel. This is due to
132 * drm_file_free() calling drm_gem_release() before the postclose()
133 * callback. Hence, we can't tear down this scheduler entity before
134 * uvmm mappings are unmapped. Currently, we can't detect this case.
136 * However, this should be rare and harmless, since the channel isn't
139 nouveau_sched_entity_fini(&chan->sched_entity);
141 /* wait for all activity to stop before cleaning up */
143 nouveau_channel_idle(chan->chan);
145 /* cleanup notifier state */
146 list_for_each_entry_safe(ntfy, temp, &chan->notifiers, head) {
147 nouveau_abi16_ntfy_fini(chan, ntfy);
151 nouveau_vma_del(&chan->ntfy_vma);
152 nouveau_bo_unpin(chan->ntfy);
153 drm_gem_object_put(&chan->ntfy->bo.base);
156 if (chan->heap.block_size)
157 nvkm_mm_fini(&chan->heap);
159 /* destroy channel object, all children will be killed too */
161 nvif_object_dtor(&chan->ce);
162 nouveau_channel_del(&chan->chan);
165 list_del(&chan->head);
170 nouveau_abi16_fini(struct nouveau_abi16 *abi16)
172 struct nouveau_cli *cli = (void *)abi16->device.object.client;
173 struct nouveau_abi16_chan *chan, *temp;
175 /* cleanup channels */
176 list_for_each_entry_safe(chan, temp, &abi16->channels, head) {
177 nouveau_abi16_chan_fini(abi16, chan);
180 /* destroy the device object */
181 nvif_device_dtor(&abi16->device);
188 getparam_dma_ib_max(struct nvif_device *device)
190 const struct nvif_mclass dmas[] = {
191 { NV03_CHANNEL_DMA, 0 },
192 { NV10_CHANNEL_DMA, 0 },
193 { NV17_CHANNEL_DMA, 0 },
194 { NV40_CHANNEL_DMA, 0 },
198 return nvif_mclass(&device->object, dmas) < 0 ? NV50_DMA_IB_MAX : 0;
202 nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS)
204 struct nouveau_cli *cli = nouveau_cli(file_priv);
205 struct nouveau_drm *drm = nouveau_drm(dev);
206 struct nvif_device *device = &drm->client.device;
207 struct nvkm_gr *gr = nvxx_gr(device);
208 struct drm_nouveau_getparam *getparam = data;
209 struct pci_dev *pdev = to_pci_dev(dev->dev);
211 switch (getparam->param) {
212 case NOUVEAU_GETPARAM_CHIPSET_ID:
213 getparam->value = device->info.chipset;
215 case NOUVEAU_GETPARAM_PCI_VENDOR:
216 if (device->info.platform != NV_DEVICE_INFO_V0_SOC)
217 getparam->value = pdev->vendor;
221 case NOUVEAU_GETPARAM_PCI_DEVICE:
222 if (device->info.platform != NV_DEVICE_INFO_V0_SOC)
223 getparam->value = pdev->device;
227 case NOUVEAU_GETPARAM_BUS_TYPE:
228 switch (device->info.platform) {
229 case NV_DEVICE_INFO_V0_AGP : getparam->value = 0; break;
230 case NV_DEVICE_INFO_V0_PCI : getparam->value = 1; break;
231 case NV_DEVICE_INFO_V0_PCIE: getparam->value = 2; break;
232 case NV_DEVICE_INFO_V0_SOC : getparam->value = 3; break;
233 case NV_DEVICE_INFO_V0_IGP :
234 if (!pci_is_pcie(pdev))
244 case NOUVEAU_GETPARAM_FB_SIZE:
245 getparam->value = drm->gem.vram_available;
247 case NOUVEAU_GETPARAM_AGP_SIZE:
248 getparam->value = drm->gem.gart_available;
250 case NOUVEAU_GETPARAM_VM_VRAM_BASE:
251 getparam->value = 0; /* deprecated */
253 case NOUVEAU_GETPARAM_PTIMER_TIME:
254 getparam->value = nvif_device_time(device);
256 case NOUVEAU_GETPARAM_HAS_BO_USAGE:
259 case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
262 case NOUVEAU_GETPARAM_GRAPH_UNITS:
263 getparam->value = nvkm_gr_units(gr);
265 case NOUVEAU_GETPARAM_EXEC_PUSH_MAX: {
266 int ib_max = getparam_dma_ib_max(device);
268 getparam->value = nouveau_exec_push_max_from_ib_max(ib_max);
272 NV_PRINTK(dbg, cli, "unknown parameter %lld\n", getparam->param);
280 nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
282 struct drm_nouveau_channel_alloc *init = data;
283 struct nouveau_cli *cli = nouveau_cli(file_priv);
284 struct nouveau_drm *drm = nouveau_drm(dev);
285 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
286 struct nouveau_abi16_chan *chan;
287 struct nvif_device *device;
291 if (unlikely(!abi16))
295 return nouveau_abi16_put(abi16, -ENODEV);
297 /* If uvmm wasn't initialized until now disable it completely to prevent
298 * userspace from mixing up UAPIs.
300 * The client lock is already acquired by nouveau_abi16_get().
302 __nouveau_cli_disable_uvmm_noinit(cli);
304 device = &abi16->device;
305 engine = NV_DEVICE_HOST_RUNLIST_ENGINES_GR;
307 /* hack to allow channel engine type specification on kepler */
308 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
309 if (init->fb_ctxdma_handle == ~0) {
310 switch (init->tt_ctxdma_handle) {
311 case 0x01: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_GR ; break;
312 case 0x02: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSPDEC; break;
313 case 0x04: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSPPP ; break;
314 case 0x08: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_MSVLD ; break;
315 case 0x30: engine = NV_DEVICE_HOST_RUNLIST_ENGINES_CE ; break;
317 return nouveau_abi16_put(abi16, -ENOSYS);
320 init->fb_ctxdma_handle = 0;
321 init->tt_ctxdma_handle = 0;
325 if (engine != NV_DEVICE_HOST_RUNLIST_ENGINES_CE)
326 runm = nvif_fifo_runlist(device, engine);
328 runm = nvif_fifo_runlist_ce(device);
330 if (!runm || init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0)
331 return nouveau_abi16_put(abi16, -EINVAL);
333 /* allocate "abi16 channel" data and make up a handle for it */
334 chan = kzalloc(sizeof(*chan), GFP_KERNEL);
336 return nouveau_abi16_put(abi16, -ENOMEM);
338 INIT_LIST_HEAD(&chan->notifiers);
339 list_add(&chan->head, &abi16->channels);
341 /* create channel object and initialise dma and fence management */
342 ret = nouveau_channel_new(drm, device, false, runm, init->fb_ctxdma_handle,
343 init->tt_ctxdma_handle, &chan->chan);
347 ret = nouveau_sched_entity_init(&chan->sched_entity, &drm->sched,
352 init->channel = chan->chan->chid;
354 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA)
355 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM |
356 NOUVEAU_GEM_DOMAIN_GART;
358 if (chan->chan->push.buffer->bo.resource->mem_type == TTM_PL_VRAM)
359 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM;
361 init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
363 if (device->info.family < NV_DEVICE_INFO_V0_CELSIUS) {
364 init->subchan[0].handle = 0x00000000;
365 init->subchan[0].grclass = 0x0000;
366 init->subchan[1].handle = chan->chan->nvsw.handle;
367 init->subchan[1].grclass = 0x506e;
368 init->nr_subchan = 2;
371 /* Workaround "nvc0" gallium driver using classes it doesn't allocate on
372 * Kepler and above. NVKM no longer always sets CE_CTX_VALID as part of
373 * channel init, now we know what that stuff actually is.
375 * Doesn't matter for Kepler/Pascal, CE context stored in NV_RAMIN.
377 * Userspace was fixed prior to adding Ampere support.
379 switch (device->info.family) {
380 case NV_DEVICE_INFO_V0_VOLTA:
381 ret = nvif_object_ctor(&chan->chan->user, "abi16CeWar", 0, VOLTA_DMA_COPY_A,
386 case NV_DEVICE_INFO_V0_TURING:
387 ret = nvif_object_ctor(&chan->chan->user, "abi16CeWar", 0, TURING_DMA_COPY_A,
396 /* Named memory object area */
397 ret = nouveau_gem_new(cli, PAGE_SIZE, 0, NOUVEAU_GEM_DOMAIN_GART,
400 ret = nouveau_bo_pin(chan->ntfy, NOUVEAU_GEM_DOMAIN_GART,
405 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
406 ret = nouveau_vma_new(chan->ntfy, chan->chan->vmm,
412 ret = drm_gem_handle_create(file_priv, &chan->ntfy->bo.base,
413 &init->notifier_handle);
417 ret = nvkm_mm_init(&chan->heap, 0, 0, PAGE_SIZE, 1);
420 nouveau_abi16_chan_fini(abi16, chan);
421 return nouveau_abi16_put(abi16, ret);
424 static struct nouveau_abi16_chan *
425 nouveau_abi16_chan(struct nouveau_abi16 *abi16, int channel)
427 struct nouveau_abi16_chan *chan;
429 list_for_each_entry(chan, &abi16->channels, head) {
430 if (chan->chan->chid == channel)
438 nouveau_abi16_usif(struct drm_file *file_priv, void *data, u32 size)
441 struct nvif_ioctl_v0 v0;
443 struct nouveau_abi16_chan *chan;
444 struct nouveau_abi16 *abi16;
447 if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
448 switch (args->v0.type) {
449 case NVIF_IOCTL_V0_NEW:
450 case NVIF_IOCTL_V0_MTHD:
451 case NVIF_IOCTL_V0_SCLASS:
459 if (!(abi16 = nouveau_abi16(file_priv)))
462 if (args->v0.token != ~0ULL) {
463 if (!(chan = nouveau_abi16_chan(abi16, args->v0.token)))
465 args->v0.object = nvif_handle(&chan->chan->user);
466 args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY;
470 args->v0.object = nvif_handle(&abi16->device.object);
471 args->v0.owner = NVIF_IOCTL_V0_OWNER_ANY;
476 nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS)
478 struct drm_nouveau_channel_free *req = data;
479 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
480 struct nouveau_abi16_chan *chan;
482 if (unlikely(!abi16))
485 chan = nouveau_abi16_chan(abi16, req->channel);
487 return nouveau_abi16_put(abi16, -ENOENT);
488 nouveau_abi16_chan_fini(abi16, chan);
489 return nouveau_abi16_put(abi16, 0);
493 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS)
495 struct drm_nouveau_grobj_alloc *init = data;
496 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
497 struct nouveau_abi16_chan *chan;
498 struct nouveau_abi16_ntfy *ntfy;
499 struct nvif_client *client;
500 struct nvif_sclass *sclass;
504 if (unlikely(!abi16))
507 if (init->handle == ~0)
508 return nouveau_abi16_put(abi16, -EINVAL);
509 client = abi16->device.object.client;
511 chan = nouveau_abi16_chan(abi16, init->channel);
513 return nouveau_abi16_put(abi16, -ENOENT);
515 ret = nvif_object_sclass_get(&chan->chan->user, &sclass);
517 return nouveau_abi16_put(abi16, ret);
519 if ((init->class & 0x00ff) == 0x006e) {
520 /* nvsw: compatibility with older 0x*6e class identifier */
521 for (i = 0; !oclass && i < ret; i++) {
522 switch (sclass[i].oclass) {
523 case NVIF_CLASS_SW_NV04:
524 case NVIF_CLASS_SW_NV10:
525 case NVIF_CLASS_SW_NV50:
526 case NVIF_CLASS_SW_GF100:
527 oclass = sclass[i].oclass;
534 if ((init->class & 0x00ff) == 0x00b1) {
535 /* msvld: compatibility with incorrect version exposure */
536 for (i = 0; i < ret; i++) {
537 if ((sclass[i].oclass & 0x00ff) == 0x00b1) {
538 oclass = sclass[i].oclass;
543 if ((init->class & 0x00ff) == 0x00b2) { /* mspdec */
544 /* mspdec: compatibility with incorrect version exposure */
545 for (i = 0; i < ret; i++) {
546 if ((sclass[i].oclass & 0x00ff) == 0x00b2) {
547 oclass = sclass[i].oclass;
552 if ((init->class & 0x00ff) == 0x00b3) { /* msppp */
553 /* msppp: compatibility with incorrect version exposure */
554 for (i = 0; i < ret; i++) {
555 if ((sclass[i].oclass & 0x00ff) == 0x00b3) {
556 oclass = sclass[i].oclass;
561 oclass = init->class;
564 nvif_object_sclass_put(&sclass);
566 return nouveau_abi16_put(abi16, -EINVAL);
568 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL);
570 return nouveau_abi16_put(abi16, -ENOMEM);
572 list_add(&ntfy->head, &chan->notifiers);
574 client->route = NVDRM_OBJECT_ABI16;
575 ret = nvif_object_ctor(&chan->chan->user, "abi16EngObj", init->handle,
576 oclass, NULL, 0, &ntfy->object);
577 client->route = NVDRM_OBJECT_NVIF;
580 nouveau_abi16_ntfy_fini(chan, ntfy);
581 return nouveau_abi16_put(abi16, ret);
585 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS)
587 struct drm_nouveau_notifierobj_alloc *info = data;
588 struct nouveau_drm *drm = nouveau_drm(dev);
589 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
590 struct nouveau_abi16_chan *chan;
591 struct nouveau_abi16_ntfy *ntfy;
592 struct nvif_device *device = &abi16->device;
593 struct nvif_client *client;
594 struct nv_dma_v0 args = {};
597 if (unlikely(!abi16))
600 /* completely unnecessary for these chipsets... */
601 if (unlikely(device->info.family >= NV_DEVICE_INFO_V0_FERMI))
602 return nouveau_abi16_put(abi16, -EINVAL);
603 client = abi16->device.object.client;
605 chan = nouveau_abi16_chan(abi16, info->channel);
607 return nouveau_abi16_put(abi16, -ENOENT);
609 ntfy = kzalloc(sizeof(*ntfy), GFP_KERNEL);
611 return nouveau_abi16_put(abi16, -ENOMEM);
613 list_add(&ntfy->head, &chan->notifiers);
615 ret = nvkm_mm_head(&chan->heap, 0, 1, info->size, info->size, 1,
620 args.start = ntfy->node->offset;
621 args.limit = ntfy->node->offset + ntfy->node->length - 1;
622 if (device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
623 args.target = NV_DMA_V0_TARGET_VM;
624 args.access = NV_DMA_V0_ACCESS_VM;
625 args.start += chan->ntfy_vma->addr;
626 args.limit += chan->ntfy_vma->addr;
628 if (drm->agp.bridge) {
629 args.target = NV_DMA_V0_TARGET_AGP;
630 args.access = NV_DMA_V0_ACCESS_RDWR;
631 args.start += drm->agp.base + chan->ntfy->offset;
632 args.limit += drm->agp.base + chan->ntfy->offset;
634 args.target = NV_DMA_V0_TARGET_VM;
635 args.access = NV_DMA_V0_ACCESS_RDWR;
636 args.start += chan->ntfy->offset;
637 args.limit += chan->ntfy->offset;
640 client->route = NVDRM_OBJECT_ABI16;
641 ret = nvif_object_ctor(&chan->chan->user, "abi16Ntfy", info->handle,
642 NV_DMA_IN_MEMORY, &args, sizeof(args),
644 client->route = NVDRM_OBJECT_NVIF;
648 info->offset = ntfy->node->offset;
651 nouveau_abi16_ntfy_fini(chan, ntfy);
652 return nouveau_abi16_put(abi16, ret);
656 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS)
658 struct drm_nouveau_gpuobj_free *fini = data;
659 struct nouveau_abi16 *abi16 = nouveau_abi16_get(file_priv);
660 struct nouveau_abi16_chan *chan;
661 struct nouveau_abi16_ntfy *ntfy;
664 if (unlikely(!abi16))
667 chan = nouveau_abi16_chan(abi16, fini->channel);
669 return nouveau_abi16_put(abi16, -EINVAL);
671 /* synchronize with the user channel and destroy the gpu object */
672 nouveau_channel_idle(chan->chan);
674 list_for_each_entry(ntfy, &chan->notifiers, head) {
675 if (ntfy->object.handle == fini->handle) {
676 nouveau_abi16_ntfy_fini(chan, ntfy);
682 return nouveau_abi16_put(abi16, ret);