16e1f34e3SBen Skeggs /*
26e1f34e3SBen Skeggs * Copyright 2018 Red Hat Inc.
36e1f34e3SBen Skeggs *
46e1f34e3SBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a
56e1f34e3SBen Skeggs * copy of this software and associated documentation files (the "Software"),
66e1f34e3SBen Skeggs * to deal in the Software without restriction, including without limitation
76e1f34e3SBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense,
86e1f34e3SBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the
96e1f34e3SBen Skeggs * Software is furnished to do so, subject to the following conditions:
106e1f34e3SBen Skeggs *
116e1f34e3SBen Skeggs * The above copyright notice and this permission notice shall be included in
126e1f34e3SBen Skeggs * all copies or substantial portions of the Software.
136e1f34e3SBen Skeggs *
146e1f34e3SBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
156e1f34e3SBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
166e1f34e3SBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
176e1f34e3SBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
186e1f34e3SBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
196e1f34e3SBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
206e1f34e3SBen Skeggs * OTHER DEALINGS IN THE SOFTWARE.
216e1f34e3SBen Skeggs */
226e1f34e3SBen Skeggs #include "priv.h"
236e1f34e3SBen Skeggs
24*40184eceSBen Skeggs #include <core/gpuobj.h>
25*40184eceSBen Skeggs #include <core/object.h>
26*40184eceSBen Skeggs
276e1f34e3SBen Skeggs #include <nvif/class.h>
286e1f34e3SBen Skeggs
29*40184eceSBen Skeggs static int
gv100_ce_cclass_bind(struct nvkm_object * object,struct nvkm_gpuobj * parent,int align,struct nvkm_gpuobj ** pgpuobj)30*40184eceSBen Skeggs gv100_ce_cclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, int align,
31*40184eceSBen Skeggs struct nvkm_gpuobj **pgpuobj)
32*40184eceSBen Skeggs {
33*40184eceSBen Skeggs struct nvkm_device *device = object->engine->subdev.device;
34*40184eceSBen Skeggs u32 size;
35*40184eceSBen Skeggs
36*40184eceSBen Skeggs /* Allocate fault method buffer (magics come from nvgpu). */
37*40184eceSBen Skeggs size = nvkm_rd32(device, 0x104028); /* NV_PCE_PCE_MAP */
38*40184eceSBen Skeggs size = 27 * 5 * (((9 + 1 + 3) * hweight32(size)) + 2);
39*40184eceSBen Skeggs size = roundup(size, PAGE_SIZE);
40*40184eceSBen Skeggs
41*40184eceSBen Skeggs return nvkm_gpuobj_new(device, size, align, true, parent, pgpuobj);
42*40184eceSBen Skeggs }
43*40184eceSBen Skeggs
44*40184eceSBen Skeggs const struct nvkm_object_func
45*40184eceSBen Skeggs gv100_ce_cclass = {
46*40184eceSBen Skeggs .bind = gv100_ce_cclass_bind,
47*40184eceSBen Skeggs };
48*40184eceSBen Skeggs
496e1f34e3SBen Skeggs static const struct nvkm_engine_func
506e1f34e3SBen Skeggs gv100_ce = {
516e1f34e3SBen Skeggs .intr = gp100_ce_intr,
52*40184eceSBen Skeggs .cclass = &gv100_ce_cclass,
536e1f34e3SBen Skeggs .sclass = {
546e1f34e3SBen Skeggs { -1, -1, VOLTA_DMA_COPY_A },
556e1f34e3SBen Skeggs {}
566e1f34e3SBen Skeggs }
576e1f34e3SBen Skeggs };
586e1f34e3SBen Skeggs
596e1f34e3SBen Skeggs int
gv100_ce_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_engine ** pengine)6050551b15SBen Skeggs gv100_ce_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
616e1f34e3SBen Skeggs struct nvkm_engine **pengine)
626e1f34e3SBen Skeggs {
6350551b15SBen Skeggs return nvkm_engine_new_(&gv100_ce, device, type, inst, true, pengine);
646e1f34e3SBen Skeggs }
65