68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
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/*
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* Copyright 2021 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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#define nvkm_uvfn(p) container_of((p), struct nvkm_uvfn, object)
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#include "priv.h"
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#include <core/object.h>
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struct nvkm_uvfn {
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struct nvkm_object object;
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struct nvkm_vfn *vfn;
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};
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static int
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nvkm_uvfn_map(struct nvkm_object *object, void *argv, u32 argc,
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enum nvkm_object_map *type, u64 *addr, u64 *size)
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{
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struct nvkm_vfn *vfn = nvkm_uvfn(object)->vfn;
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struct nvkm_device *device = vfn->subdev.device;
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*addr = device->func->resource_addr(device, 0) + vfn->addr.user;
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*size = vfn->func->user.size;
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*type = NVKM_OBJECT_MAP_IO;
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return 0;
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}
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static const struct nvkm_object_func
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nvkm_uvfn = {
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.map = nvkm_uvfn_map,
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};
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int
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nvkm_uvfn_new(struct nvkm_device *device, const struct nvkm_oclass *oclass,
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void *argv, u32 argc, struct nvkm_object **pobject)
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{
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struct nvkm_uvfn *uvfn;
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if (argc != 0)
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return -ENOSYS;
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if (!(uvfn = kzalloc(sizeof(*uvfn), GFP_KERNEL)))
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return -ENOMEM;
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nvkm_object_ctor(&nvkm_uvfn, oclass, &uvfn->object);
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uvfn->vfn = device->vfn;
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*pobject = &uvfn->object;
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return 0;
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}
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