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/*
* Copyright 2021 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#define nvkm_uvfn(p) container_of((p), struct nvkm_uvfn, object)
#include "priv.h"
#include <core/object.h>
struct nvkm_uvfn {
struct nvkm_object object;
struct nvkm_vfn *vfn;
};
static int
nvkm_uvfn_map(struct nvkm_object *object, void *argv, u32 argc,
enum nvkm_object_map *type, u64 *addr, u64 *size)
{
struct nvkm_vfn *vfn = nvkm_uvfn(object)->vfn;
struct nvkm_device *device = vfn->subdev.device;
*addr = device->func->resource_addr(device, 0) + vfn->addr.user;
*size = vfn->func->user.size;
*type = NVKM_OBJECT_MAP_IO;
return 0;
}
static const struct nvkm_object_func
nvkm_uvfn = {
.map = nvkm_uvfn_map,
};
int
nvkm_uvfn_new(struct nvkm_device *device, const struct nvkm_oclass *oclass,
void *argv, u32 argc, struct nvkm_object **pobject)
{
struct nvkm_uvfn *uvfn;
if (argc != 0)
return -ENOSYS;
if (!(uvfn = kzalloc(sizeof(*uvfn), GFP_KERNEL)))
return -ENOMEM;
nvkm_object_ctor(&nvkm_uvfn, oclass, &uvfn->object);
uvfn->vfn = device->vfn;
*pobject = &uvfn->object;
return 0;
}
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