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

nouveau_bo74c1.c (2032B)

      1/*
      2 * Copyright 2007 Dave Airlied
      3 * All Rights Reserved.
      4 *
      5 * Permission is hereby granted, free of charge, to any person obtaining a
      6 * copy of this software and associated documentation files (the "Software"),
      7 * to deal in the Software without restriction, including without limitation
      8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      9 * and/or sell copies of the Software, and to permit persons to whom the
     10 * Software is furnished to do so, subject to the following conditions:
     11 *
     12 * The above copyright notice and this permission notice (including the next
     13 * paragraph) shall be included in all copies or substantial portions of the
     14 * Software.
     15 *
     16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22 * OTHER DEALINGS IN THE SOFTWARE.
     23 */
     24/*
     25 * Authors: Dave Airlied <airlied@linux.ie>
     26 *	    Ben Skeggs   <darktama@iinet.net.au>
     27 *	    Jeremy Kolb  <jkolb@brandeis.edu>
     28 */
     29#include "nouveau_bo.h"
     30#include "nouveau_dma.h"
     31#include "nouveau_mem.h"
     32
     33#include <nvif/push206e.h>
     34
     35int
     36nv84_bo_move_exec(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
     37		  struct ttm_resource *old_reg, struct ttm_resource *new_reg)
     38{
     39	struct nouveau_mem *mem = nouveau_mem(old_reg);
     40	struct nvif_push *push = chan->chan.push;
     41	int ret;
     42
     43	ret = PUSH_WAIT(push, 7);
     44	if (ret)
     45		return ret;
     46
     47	PUSH_NVSQ(push, NV74C1, 0x0304, new_reg->num_pages << PAGE_SHIFT,
     48				0x0308, upper_32_bits(mem->vma[0].addr),
     49				0x030c, lower_32_bits(mem->vma[0].addr),
     50				0x0310, upper_32_bits(mem->vma[1].addr),
     51				0x0314, lower_32_bits(mem->vma[1].addr),
     52				0x0318, 0x00000000 /* MODE_COPY, QUERY_NONE */);
     53	return 0;
     54}