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

gf100.c (2300B)

      1/*
      2 * Copyright 2013 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
     23 */
     24#include "priv.h"
     25#include "fuc/gf100.fuc3.h"
     26
     27#include <subdev/mc.h>
     28
     29void
     30gf100_pmu_reset(struct nvkm_pmu *pmu)
     31{
     32	struct nvkm_device *device = pmu->subdev.device;
     33	nvkm_mc_disable(device, NVKM_SUBDEV_PMU, 0);
     34	nvkm_mc_enable(device, NVKM_SUBDEV_PMU, 0);
     35}
     36
     37bool
     38gf100_pmu_enabled(struct nvkm_pmu *pmu)
     39{
     40	return nvkm_mc_enabled(pmu->subdev.device, NVKM_SUBDEV_PMU, 0);
     41}
     42
     43static const struct nvkm_pmu_func
     44gf100_pmu = {
     45	.flcn = &gt215_pmu_flcn,
     46	.code.data = gf100_pmu_code,
     47	.code.size = sizeof(gf100_pmu_code),
     48	.data.data = gf100_pmu_data,
     49	.data.size = sizeof(gf100_pmu_data),
     50	.enabled = gf100_pmu_enabled,
     51	.reset = gf100_pmu_reset,
     52	.init = gt215_pmu_init,
     53	.fini = gt215_pmu_fini,
     54	.intr = gt215_pmu_intr,
     55	.send = gt215_pmu_send,
     56	.recv = gt215_pmu_recv,
     57};
     58
     59int
     60gf100_pmu_nofw(struct nvkm_pmu *pmu, int ver, const struct nvkm_pmu_fwif *fwif)
     61{
     62	return 0;
     63}
     64
     65static const struct nvkm_pmu_fwif
     66gf100_pmu_fwif[] = {
     67	{ -1, gf100_pmu_nofw, &gf100_pmu },
     68	{}
     69};
     70
     71int
     72gf100_pmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
     73	      struct nvkm_pmu **ppmu)
     74{
     75	return nvkm_pmu_new_(gf100_pmu_fwif, device, type, inst, ppmu);
     76}