65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/*
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* Copyright 2018 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "priv.h"
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#include <core/gpuobj.h>
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#include <core/object.h>
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#include <nvif/class.h>
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static int
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gv100_ce_cclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, int align,
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struct nvkm_gpuobj **pgpuobj)
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{
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struct nvkm_device *device = object->engine->subdev.device;
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u32 size;
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/* Allocate fault method buffer (magics come from nvgpu). */
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size = nvkm_rd32(device, 0x104028); /* NV_PCE_PCE_MAP */
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size = 27 * 5 * (((9 + 1 + 3) * hweight32(size)) + 2);
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size = roundup(size, PAGE_SIZE);
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return nvkm_gpuobj_new(device, size, align, true, parent, pgpuobj);
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}
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const struct nvkm_object_func
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gv100_ce_cclass = {
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.bind = gv100_ce_cclass_bind,
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};
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static const struct nvkm_engine_func
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gv100_ce = {
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.intr = gp100_ce_intr,
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.cclass = &gv100_ce_cclass,
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.sclass = {
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{ -1, -1, VOLTA_DMA_COPY_A },
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{}
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}
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};
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int
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gv100_ce_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
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struct nvkm_engine **pengine)
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{
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return nvkm_engine_new_(&gv100_ce, device, type, inst, true, pengine);
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}
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