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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gf100.c (2123B)

      1/*
      2 * Copyright 2018 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: Lyude Paul
     23 */
     24#include <core/device.h>
     25
     26#include "priv.h"
     27
     28#define pack_for_each_init(init, pack, head)                          \
     29	for (pack = head; pack && pack->init; pack++)                 \
     30		  for (init = pack->init; init && init->count; init++)
     31void
     32gf100_clkgate_init(struct nvkm_therm *therm,
     33		   const struct nvkm_therm_clkgate_pack *p)
     34{
     35	struct nvkm_device *device = therm->subdev.device;
     36	const struct nvkm_therm_clkgate_pack *pack;
     37	const struct nvkm_therm_clkgate_init *init;
     38	u32 next, addr;
     39
     40	pack_for_each_init(init, pack, p) {
     41		next = init->addr + init->count * 8;
     42		addr = init->addr;
     43
     44		nvkm_trace(&therm->subdev, "{ 0x%06x, %d, 0x%08x }\n",
     45			   init->addr, init->count, init->data);
     46		while (addr < next) {
     47			nvkm_trace(&therm->subdev, "\t0x%06x = 0x%08x\n",
     48				   addr, init->data);
     49			nvkm_wr32(device, addr, init->data);
     50			addr += 8;
     51		}
     52	}
     53}
     54
     55/*
     56 * TODO: Fermi clockgating isn't understood fully yet, so we don't specify any
     57 * clockgate functions to use
     58 */