cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

base.c (1818B)


      1/*
      2 * Copyright 2014 Martin Peres
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18 * 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 OR
     20 * OTHER DEALINGS IN THE SOFTWARE.
     21 *
     22 * Authors: Martin Peres
     23 */
     24#include "priv.h"
     25
     26u32
     27nvkm_fuse_read(struct nvkm_fuse *fuse, u32 addr)
     28{
     29	return fuse->func->read(fuse, addr);
     30}
     31
     32static void *
     33nvkm_fuse_dtor(struct nvkm_subdev *subdev)
     34{
     35	return nvkm_fuse(subdev);
     36}
     37
     38static const struct nvkm_subdev_func
     39nvkm_fuse = {
     40	.dtor = nvkm_fuse_dtor,
     41};
     42
     43int
     44nvkm_fuse_new_(const struct nvkm_fuse_func *func, struct nvkm_device *device,
     45	       enum nvkm_subdev_type type, int inst, struct nvkm_fuse **pfuse)
     46{
     47	struct nvkm_fuse *fuse;
     48	if (!(fuse = *pfuse = kzalloc(sizeof(*fuse), GFP_KERNEL)))
     49		return -ENOMEM;
     50	nvkm_subdev_ctor(&nvkm_fuse, device, type, inst, &fuse->subdev);
     51	fuse->func = func;
     52	spin_lock_init(&fuse->lock);
     53	return 0;
     54}