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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gk208.c (2250B)

      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 "gk104.h"
     25#include "changk104.h"
     26
     27#include <nvif/class.h>
     28
     29void
     30gk208_fifo_pbdma_init_timeout(struct gk104_fifo *fifo)
     31{
     32	struct nvkm_device *device = fifo->base.engine.subdev.device;
     33	int i;
     34
     35	for (i = 0; i < fifo->pbdma_nr; i++)
     36		nvkm_wr32(device, 0x04012c + (i * 0x2000), 0x0000ffff);
     37}
     38
     39const struct gk104_fifo_pbdma_func
     40gk208_fifo_pbdma = {
     41	.nr = gk104_fifo_pbdma_nr,
     42	.init = gk104_fifo_pbdma_init,
     43	.init_timeout = gk208_fifo_pbdma_init_timeout,
     44};
     45
     46static const struct gk104_fifo_func
     47gk208_fifo = {
     48	.intr.fault = gf100_fifo_intr_fault,
     49	.pbdma = &gk208_fifo_pbdma,
     50	.fault.access = gk104_fifo_fault_access,
     51	.fault.engine = gk104_fifo_fault_engine,
     52	.fault.reason = gk104_fifo_fault_reason,
     53	.fault.hubclient = gk104_fifo_fault_hubclient,
     54	.fault.gpcclient = gk104_fifo_fault_gpcclient,
     55	.runlist = &gk110_fifo_runlist,
     56	.chan = {{0,0,KEPLER_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new },
     57};
     58
     59int
     60gk208_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
     61	       struct nvkm_fifo **pfifo)
     62{
     63	return gk104_fifo_new_(&gk208_fifo, device, type, inst, 1024, pfifo);
     64}