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1/*2 * Copyright 2018 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 */22#include "priv.h"23 24#include <core/gpuobj.h>25#include <core/object.h>26 27#include <nvif/class.h>28 29static int30gv100_ce_cclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, int align,31 struct nvkm_gpuobj **pgpuobj)32{33 struct nvkm_device *device = object->engine->subdev.device;34 u32 size;35 36 /* Allocate fault method buffer (magics come from nvgpu). */37 size = nvkm_rd32(device, 0x104028); /* NV_PCE_PCE_MAP */38 size = 27 * 5 * (((9 + 1 + 3) * hweight32(size)) + 2);39 size = roundup(size, PAGE_SIZE);40 41 return nvkm_gpuobj_new(device, size, align, true, parent, pgpuobj);42}43 44const struct nvkm_object_func45gv100_ce_cclass = {46 .bind = gv100_ce_cclass_bind,47};48 49static const struct nvkm_engine_func50gv100_ce = {51 .intr = gp100_ce_intr,52 .cclass = &gv100_ce_cclass,53 .sclass = {54 { -1, -1, VOLTA_DMA_COPY_A },55 {}56 }57};58 59int60gv100_ce_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,61 struct nvkm_engine **pengine)62{63 return nvkm_engine_new_(&gv100_ce, device, type, inst, true, pengine);64}65