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_gem.h"
35 #include "nouveau_chan.h"
36 #include "nouveau_abi16.h"
37 #include "nouveau_vmm.h"
38 #include "nouveau_sched.h"
40 static struct nouveau_abi16
*
41 nouveau_abi16(struct drm_file
*file_priv
)
43 struct nouveau_cli
*cli
= nouveau_cli(file_priv
);
45 struct nouveau_abi16
*abi16
;
46 cli
->abi16
= abi16
= kzalloc(sizeof(*abi16
), GFP_KERNEL
);
48 struct nv_device_v0 args
= {
52 INIT_LIST_HEAD(&abi16
->channels
);
54 /* allocate device object targeting client's default
55 * device (ie. the one that belongs to the fd it
58 if (nvif_device_ctor(&cli
->base
.object
, "abi16Device",
59 0, NV_DEVICE
, &args
, sizeof(args
),
70 struct nouveau_abi16
*
71 nouveau_abi16_get(struct drm_file
*file_priv
)
73 struct nouveau_cli
*cli
= nouveau_cli(file_priv
);
74 mutex_lock(&cli
->mutex
);
75 if (nouveau_abi16(file_priv
))
77 mutex_unlock(&cli
->mutex
);
82 nouveau_abi16_put(struct nouveau_abi16
*abi16
, int ret
)
84 struct nouveau_cli
*cli
= (void *)abi16
->device
.object
.client
;
85 mutex_unlock(&cli
->mutex
);
90 nouveau_abi16_swclass(struct nouveau_drm
*drm
)
92 switch (drm
->client
.device
.info
.family
) {
93 case NV_DEVICE_INFO_V0_TNT
:
94 return NVIF_CLASS_SW_NV04
;
95 case NV_DEVICE_INFO_V0_CELSIUS
:
96 case NV_DEVICE_INFO_V0_KELVIN
:
97 case NV_DEVICE_INFO_V0_RANKINE
:
98 case NV_DEVICE_INFO_V0_CURIE
:
99 return NVIF_CLASS_SW_NV10
;
100 case NV_DEVICE_INFO_V0_TESLA
:
101 return NVIF_CLASS_SW_NV50
;
102 case NV_DEVICE_INFO_V0_FERMI
:
103 case NV_DEVICE_INFO_V0_KEPLER
:
104 case NV_DEVICE_INFO_V0_MAXWELL
:
105 case NV_DEVICE_INFO_V0_PASCAL
:
106 case NV_DEVICE_INFO_V0_VOLTA
:
107 return NVIF_CLASS_SW_GF100
;
114 nouveau_abi16_ntfy_fini(struct nouveau_abi16_chan
*chan
,
115 struct nouveau_abi16_ntfy
*ntfy
)
117 nvif_object_dtor(&ntfy
->object
);
118 nvkm_mm_free(&chan
->heap
, &ntfy
->node
);
119 list_del(&ntfy
->head
);
124 nouveau_abi16_chan_fini(struct nouveau_abi16
*abi16
,
125 struct nouveau_abi16_chan
*chan
)
127 struct nouveau_abi16_ntfy
*ntfy
, *temp
;
129 /* When a client exits without waiting for it's queued up jobs to
130 * finish it might happen that we fault the channel. This is due to
131 * drm_file_free() calling drm_gem_release() before the postclose()
132 * callback. Hence, we can't tear down this scheduler entity before
133 * uvmm mappings are unmapped. Currently, we can't detect this case.
135 * However, this should be rare and harmless, since the channel isn't
138 nouveau_sched_entity_fini(&chan
->sched_entity
);
140 /* wait for all activity to stop before cleaning up */
142 nouveau_channel_idle(chan
->chan
);
144 /* cleanup notifier state */
145 list_for_each_entry_safe(ntfy
, temp
, &chan
->notifiers
, head
) {
146 nouveau_abi16_ntfy_fini(chan
, ntfy
);
150 nouveau_vma_del(&chan
->ntfy_vma
);
151 nouveau_bo_unpin(chan
->ntfy
);
152 drm_gem_object_put(&chan
->ntfy
->bo
.base
);
155 if (chan
->heap
.block_size
)
156 nvkm_mm_fini(&chan
->heap
);
158 /* destroy channel object, all children will be killed too */
160 nvif_object_dtor(&chan
->ce
);
161 nouveau_channel_del(&chan
->chan
);
164 list_del(&chan
->head
);
169 nouveau_abi16_fini(struct nouveau_abi16
*abi16
)
171 struct nouveau_cli
*cli
= (void *)abi16
->device
.object
.client
;
172 struct nouveau_abi16_chan
*chan
, *temp
;
174 /* cleanup channels */
175 list_for_each_entry_safe(chan
, temp
, &abi16
->channels
, head
) {
176 nouveau_abi16_chan_fini(abi16
, chan
);
179 /* destroy the device object */
180 nvif_device_dtor(&abi16
->device
);
187 nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS
)
189 struct nouveau_cli
*cli
= nouveau_cli(file_priv
);
190 struct nouveau_drm
*drm
= nouveau_drm(dev
);
191 struct nvif_device
*device
= &drm
->client
.device
;
192 struct nvkm_gr
*gr
= nvxx_gr(device
);
193 struct drm_nouveau_getparam
*getparam
= data
;
194 struct pci_dev
*pdev
= to_pci_dev(dev
->dev
);
196 switch (getparam
->param
) {
197 case NOUVEAU_GETPARAM_CHIPSET_ID
:
198 getparam
->value
= device
->info
.chipset
;
200 case NOUVEAU_GETPARAM_PCI_VENDOR
:
201 if (device
->info
.platform
!= NV_DEVICE_INFO_V0_SOC
)
202 getparam
->value
= pdev
->vendor
;
206 case NOUVEAU_GETPARAM_PCI_DEVICE
:
207 if (device
->info
.platform
!= NV_DEVICE_INFO_V0_SOC
)
208 getparam
->value
= pdev
->device
;
212 case NOUVEAU_GETPARAM_BUS_TYPE
:
213 switch (device
->info
.platform
) {
214 case NV_DEVICE_INFO_V0_AGP
: getparam
->value
= 0; break;
215 case NV_DEVICE_INFO_V0_PCI
: getparam
->value
= 1; break;
216 case NV_DEVICE_INFO_V0_PCIE
: getparam
->value
= 2; break;
217 case NV_DEVICE_INFO_V0_SOC
: getparam
->value
= 3; break;
218 case NV_DEVICE_INFO_V0_IGP
:
219 if (!pci_is_pcie(pdev
))
229 case NOUVEAU_GETPARAM_FB_SIZE
:
230 getparam
->value
= drm
->gem
.vram_available
;
232 case NOUVEAU_GETPARAM_AGP_SIZE
:
233 getparam
->value
= drm
->gem
.gart_available
;
235 case NOUVEAU_GETPARAM_VM_VRAM_BASE
:
236 getparam
->value
= 0; /* deprecated */
238 case NOUVEAU_GETPARAM_PTIMER_TIME
:
239 getparam
->value
= nvif_device_time(device
);
241 case NOUVEAU_GETPARAM_HAS_BO_USAGE
:
244 case NOUVEAU_GETPARAM_HAS_PAGEFLIP
:
247 case NOUVEAU_GETPARAM_GRAPH_UNITS
:
248 getparam
->value
= nvkm_gr_units(gr
);
251 NV_PRINTK(dbg
, cli
, "unknown parameter %lld\n", getparam
->param
);
259 nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS
)
261 struct drm_nouveau_channel_alloc
*init
= data
;
262 struct nouveau_cli
*cli
= nouveau_cli(file_priv
);
263 struct nouveau_drm
*drm
= nouveau_drm(dev
);
264 struct nouveau_abi16
*abi16
= nouveau_abi16_get(file_priv
);
265 struct nouveau_abi16_chan
*chan
;
266 struct nvif_device
*device
;
270 if (unlikely(!abi16
))
274 return nouveau_abi16_put(abi16
, -ENODEV
);
276 /* If uvmm wasn't initialized until now disable it completely to prevent
277 * userspace from mixing up UAPIs.
279 * The client lock is already acquired by nouveau_abi16_get().
281 __nouveau_cli_disable_uvmm_noinit(cli
);
283 device
= &abi16
->device
;
284 engine
= NV_DEVICE_HOST_RUNLIST_ENGINES_GR
;
286 /* hack to allow channel engine type specification on kepler */
287 if (device
->info
.family
>= NV_DEVICE_INFO_V0_KEPLER
) {
288 if (init
->fb_ctxdma_handle
== ~0) {
289 switch (init
->tt_ctxdma_handle
) {
290 case 0x01: engine
= NV_DEVICE_HOST_RUNLIST_ENGINES_GR
; break;
291 case 0x02: engine
= NV_DEVICE_HOST_RUNLIST_ENGINES_MSPDEC
; break;
292 case 0x04: engine
= NV_DEVICE_HOST_RUNLIST_ENGINES_MSPPP
; break;
293 case 0x08: engine
= NV_DEVICE_HOST_RUNLIST_ENGINES_MSVLD
; break;
294 case 0x30: engine
= NV_DEVICE_HOST_RUNLIST_ENGINES_CE
; break;
296 return nouveau_abi16_put(abi16
, -ENOSYS
);
299 init
->fb_ctxdma_handle
= 0;
300 init
->tt_ctxdma_handle
= 0;
304 if (engine
!= NV_DEVICE_HOST_RUNLIST_ENGINES_CE
)
305 runm
= nvif_fifo_runlist(device
, engine
);
307 runm
= nvif_fifo_runlist_ce(device
);
309 if (!runm
|| init
->fb_ctxdma_handle
== ~0 || init
->tt_ctxdma_handle
== ~0)
310 return nouveau_abi16_put(abi16
, -EINVAL
);
312 /* allocate "abi16 channel" data and make up a handle for it */
313 chan
= kzalloc(sizeof(*chan
), GFP_KERNEL
);
315 return nouveau_abi16_put(abi16
, -ENOMEM
);
317 INIT_LIST_HEAD(&chan
->notifiers
);
318 list_add(&chan
->head
, &abi16
->channels
);
320 /* create channel object and initialise dma and fence management */
321 ret
= nouveau_channel_new(drm
, device
, false, runm
, init
->fb_ctxdma_handle
,
322 init
->tt_ctxdma_handle
, &chan
->chan
);
326 ret
= nouveau_sched_entity_init(&chan
->sched_entity
, &drm
->sched
,
331 init
->channel
= chan
->chan
->chid
;
333 if (device
->info
.family
>= NV_DEVICE_INFO_V0_TESLA
)
334 init
->pushbuf_domains
= NOUVEAU_GEM_DOMAIN_VRAM
|
335 NOUVEAU_GEM_DOMAIN_GART
;
337 if (chan
->chan
->push
.buffer
->bo
.resource
->mem_type
== TTM_PL_VRAM
)
338 init
->pushbuf_domains
= NOUVEAU_GEM_DOMAIN_VRAM
;
340 init
->pushbuf_domains
= NOUVEAU_GEM_DOMAIN_GART
;
342 if (device
->info
.family
< NV_DEVICE_INFO_V0_CELSIUS
) {
343 init
->subchan
[0].handle
= 0x00000000;
344 init
->subchan
[0].grclass
= 0x0000;
345 init
->subchan
[1].handle
= chan
->chan
->nvsw
.handle
;
346 init
->subchan
[1].grclass
= 0x506e;
347 init
->nr_subchan
= 2;
350 /* Workaround "nvc0" gallium driver using classes it doesn't allocate on
351 * Kepler and above. NVKM no longer always sets CE_CTX_VALID as part of
352 * channel init, now we know what that stuff actually is.
354 * Doesn't matter for Kepler/Pascal, CE context stored in NV_RAMIN.
356 * Userspace was fixed prior to adding Ampere support.
358 switch (device
->info
.family
) {
359 case NV_DEVICE_INFO_V0_VOLTA
:
360 ret
= nvif_object_ctor(&chan
->chan
->user
, "abi16CeWar", 0, VOLTA_DMA_COPY_A
,
365 case NV_DEVICE_INFO_V0_TURING
:
366 ret
= nvif_object_ctor(&chan
->chan
->user
, "abi16CeWar", 0, TURING_DMA_COPY_A
,
375 /* Named memory object area */
376 ret
= nouveau_gem_new(cli
, PAGE_SIZE
, 0, NOUVEAU_GEM_DOMAIN_GART
,
379 ret
= nouveau_bo_pin(chan
->ntfy
, NOUVEAU_GEM_DOMAIN_GART
,
384 if (device
->info
.family
>= NV_DEVICE_INFO_V0_TESLA
) {
385 ret
= nouveau_vma_new(chan
->ntfy
, chan
->chan
->vmm
,
391 ret
= drm_gem_handle_create(file_priv
, &chan
->ntfy
->bo
.base
,
392 &init
->notifier_handle
);
396 ret
= nvkm_mm_init(&chan
->heap
, 0, 0, PAGE_SIZE
, 1);
399 nouveau_abi16_chan_fini(abi16
, chan
);
400 return nouveau_abi16_put(abi16
, ret
);
403 static struct nouveau_abi16_chan
*
404 nouveau_abi16_chan(struct nouveau_abi16
*abi16
, int channel
)
406 struct nouveau_abi16_chan
*chan
;
408 list_for_each_entry(chan
, &abi16
->channels
, head
) {
409 if (chan
->chan
->chid
== channel
)
417 nouveau_abi16_usif(struct drm_file
*file_priv
, void *data
, u32 size
)
420 struct nvif_ioctl_v0 v0
;
422 struct nouveau_abi16_chan
*chan
;
423 struct nouveau_abi16
*abi16
;
426 if (!(ret
= nvif_unpack(ret
, &data
, &size
, args
->v0
, 0, 0, true))) {
427 switch (args
->v0
.type
) {
428 case NVIF_IOCTL_V0_NEW
:
429 case NVIF_IOCTL_V0_MTHD
:
430 case NVIF_IOCTL_V0_SCLASS
:
438 if (!(abi16
= nouveau_abi16(file_priv
)))
441 if (args
->v0
.token
!= ~0ULL) {
442 if (!(chan
= nouveau_abi16_chan(abi16
, args
->v0
.token
)))
444 args
->v0
.object
= nvif_handle(&chan
->chan
->user
);
445 args
->v0
.owner
= NVIF_IOCTL_V0_OWNER_ANY
;
449 args
->v0
.object
= nvif_handle(&abi16
->device
.object
);
450 args
->v0
.owner
= NVIF_IOCTL_V0_OWNER_ANY
;
455 nouveau_abi16_ioctl_channel_free(ABI16_IOCTL_ARGS
)
457 struct drm_nouveau_channel_free
*req
= data
;
458 struct nouveau_abi16
*abi16
= nouveau_abi16_get(file_priv
);
459 struct nouveau_abi16_chan
*chan
;
461 if (unlikely(!abi16
))
464 chan
= nouveau_abi16_chan(abi16
, req
->channel
);
466 return nouveau_abi16_put(abi16
, -ENOENT
);
467 nouveau_abi16_chan_fini(abi16
, chan
);
468 return nouveau_abi16_put(abi16
, 0);
472 nouveau_abi16_ioctl_grobj_alloc(ABI16_IOCTL_ARGS
)
474 struct drm_nouveau_grobj_alloc
*init
= data
;
475 struct nouveau_abi16
*abi16
= nouveau_abi16_get(file_priv
);
476 struct nouveau_abi16_chan
*chan
;
477 struct nouveau_abi16_ntfy
*ntfy
;
478 struct nvif_client
*client
;
479 struct nvif_sclass
*sclass
;
483 if (unlikely(!abi16
))
486 if (init
->handle
== ~0)
487 return nouveau_abi16_put(abi16
, -EINVAL
);
488 client
= abi16
->device
.object
.client
;
490 chan
= nouveau_abi16_chan(abi16
, init
->channel
);
492 return nouveau_abi16_put(abi16
, -ENOENT
);
494 ret
= nvif_object_sclass_get(&chan
->chan
->user
, &sclass
);
496 return nouveau_abi16_put(abi16
, ret
);
498 if ((init
->class & 0x00ff) == 0x006e) {
499 /* nvsw: compatibility with older 0x*6e class identifier */
500 for (i
= 0; !oclass
&& i
< ret
; i
++) {
501 switch (sclass
[i
].oclass
) {
502 case NVIF_CLASS_SW_NV04
:
503 case NVIF_CLASS_SW_NV10
:
504 case NVIF_CLASS_SW_NV50
:
505 case NVIF_CLASS_SW_GF100
:
506 oclass
= sclass
[i
].oclass
;
513 if ((init
->class & 0x00ff) == 0x00b1) {
514 /* msvld: compatibility with incorrect version exposure */
515 for (i
= 0; i
< ret
; i
++) {
516 if ((sclass
[i
].oclass
& 0x00ff) == 0x00b1) {
517 oclass
= sclass
[i
].oclass
;
522 if ((init
->class & 0x00ff) == 0x00b2) { /* mspdec */
523 /* mspdec: compatibility with incorrect version exposure */
524 for (i
= 0; i
< ret
; i
++) {
525 if ((sclass
[i
].oclass
& 0x00ff) == 0x00b2) {
526 oclass
= sclass
[i
].oclass
;
531 if ((init
->class & 0x00ff) == 0x00b3) { /* msppp */
532 /* msppp: compatibility with incorrect version exposure */
533 for (i
= 0; i
< ret
; i
++) {
534 if ((sclass
[i
].oclass
& 0x00ff) == 0x00b3) {
535 oclass
= sclass
[i
].oclass
;
540 oclass
= init
->class;
543 nvif_object_sclass_put(&sclass
);
545 return nouveau_abi16_put(abi16
, -EINVAL
);
547 ntfy
= kzalloc(sizeof(*ntfy
), GFP_KERNEL
);
549 return nouveau_abi16_put(abi16
, -ENOMEM
);
551 list_add(&ntfy
->head
, &chan
->notifiers
);
553 client
->route
= NVDRM_OBJECT_ABI16
;
554 ret
= nvif_object_ctor(&chan
->chan
->user
, "abi16EngObj", init
->handle
,
555 oclass
, NULL
, 0, &ntfy
->object
);
556 client
->route
= NVDRM_OBJECT_NVIF
;
559 nouveau_abi16_ntfy_fini(chan
, ntfy
);
560 return nouveau_abi16_put(abi16
, ret
);
564 nouveau_abi16_ioctl_notifierobj_alloc(ABI16_IOCTL_ARGS
)
566 struct drm_nouveau_notifierobj_alloc
*info
= data
;
567 struct nouveau_drm
*drm
= nouveau_drm(dev
);
568 struct nouveau_abi16
*abi16
= nouveau_abi16_get(file_priv
);
569 struct nouveau_abi16_chan
*chan
;
570 struct nouveau_abi16_ntfy
*ntfy
;
571 struct nvif_device
*device
= &abi16
->device
;
572 struct nvif_client
*client
;
573 struct nv_dma_v0 args
= {};
576 if (unlikely(!abi16
))
579 /* completely unnecessary for these chipsets... */
580 if (unlikely(device
->info
.family
>= NV_DEVICE_INFO_V0_FERMI
))
581 return nouveau_abi16_put(abi16
, -EINVAL
);
582 client
= abi16
->device
.object
.client
;
584 chan
= nouveau_abi16_chan(abi16
, info
->channel
);
586 return nouveau_abi16_put(abi16
, -ENOENT
);
588 ntfy
= kzalloc(sizeof(*ntfy
), GFP_KERNEL
);
590 return nouveau_abi16_put(abi16
, -ENOMEM
);
592 list_add(&ntfy
->head
, &chan
->notifiers
);
594 ret
= nvkm_mm_head(&chan
->heap
, 0, 1, info
->size
, info
->size
, 1,
599 args
.start
= ntfy
->node
->offset
;
600 args
.limit
= ntfy
->node
->offset
+ ntfy
->node
->length
- 1;
601 if (device
->info
.family
>= NV_DEVICE_INFO_V0_TESLA
) {
602 args
.target
= NV_DMA_V0_TARGET_VM
;
603 args
.access
= NV_DMA_V0_ACCESS_VM
;
604 args
.start
+= chan
->ntfy_vma
->addr
;
605 args
.limit
+= chan
->ntfy_vma
->addr
;
607 if (drm
->agp
.bridge
) {
608 args
.target
= NV_DMA_V0_TARGET_AGP
;
609 args
.access
= NV_DMA_V0_ACCESS_RDWR
;
610 args
.start
+= drm
->agp
.base
+ chan
->ntfy
->offset
;
611 args
.limit
+= drm
->agp
.base
+ chan
->ntfy
->offset
;
613 args
.target
= NV_DMA_V0_TARGET_VM
;
614 args
.access
= NV_DMA_V0_ACCESS_RDWR
;
615 args
.start
+= chan
->ntfy
->offset
;
616 args
.limit
+= chan
->ntfy
->offset
;
619 client
->route
= NVDRM_OBJECT_ABI16
;
620 ret
= nvif_object_ctor(&chan
->chan
->user
, "abi16Ntfy", info
->handle
,
621 NV_DMA_IN_MEMORY
, &args
, sizeof(args
),
623 client
->route
= NVDRM_OBJECT_NVIF
;
627 info
->offset
= ntfy
->node
->offset
;
630 nouveau_abi16_ntfy_fini(chan
, ntfy
);
631 return nouveau_abi16_put(abi16
, ret
);
635 nouveau_abi16_ioctl_gpuobj_free(ABI16_IOCTL_ARGS
)
637 struct drm_nouveau_gpuobj_free
*fini
= data
;
638 struct nouveau_abi16
*abi16
= nouveau_abi16_get(file_priv
);
639 struct nouveau_abi16_chan
*chan
;
640 struct nouveau_abi16_ntfy
*ntfy
;
643 if (unlikely(!abi16
))
646 chan
= nouveau_abi16_chan(abi16
, fini
->channel
);
648 return nouveau_abi16_put(abi16
, -EINVAL
);
650 /* synchronize with the user channel and destroy the gpu object */
651 nouveau_channel_idle(chan
->chan
);
653 list_for_each_entry(ntfy
, &chan
->notifiers
, head
) {
654 if (ntfy
->object
.handle
== fini
->handle
) {
655 nouveau_abi16_ntfy_fini(chan
, ntfy
);
661 return nouveau_abi16_put(abi16
, ret
);