cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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g98.c (1732B)


      1/*
      2 * Copyright 2012 Red Hat Inc.
      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: Ben Skeggs, Maarten Lankhorst, Ilia Mirkin
     23 */
     24#include "priv.h"
     25
     26#include <nvif/class.h>
     27
     28void
     29g98_msppp_init(struct nvkm_falcon *msppp)
     30{
     31	struct nvkm_device *device = msppp->engine.subdev.device;
     32	nvkm_wr32(device, 0x086010, 0x0000ffd2);
     33	nvkm_wr32(device, 0x08601c, 0x0000fff2);
     34}
     35
     36static const struct nvkm_falcon_func
     37g98_msppp = {
     38	.init = g98_msppp_init,
     39	.sclass = {
     40		{ -1, -1, G98_MSPPP },
     41		{}
     42	}
     43};
     44
     45int
     46g98_msppp_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
     47	      struct nvkm_engine **pengine)
     48{
     49	return nvkm_msppp_new_(&g98_msppp, device, type, inst, pengine);
     50}