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 (3748B)


      1/*
      2 * Copyright 2010 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 "mem.h"
     25#include "vmm.h"
     26
     27#include <nvif/class.h>
     28
     29/* Map from compressed to corresponding uncompressed storage type.
     30 * The value 0xff represents an invalid storage type.
     31 */
     32const u8 *
     33gf100_mmu_kind(struct nvkm_mmu *mmu, int *count, u8 *invalid)
     34{
     35	static const u8
     36	kind[256] = {
     37		0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0xff, 0x01, /* 0x00 */
     38		0x01, 0x01, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff,
     39		0xff, 0x11, 0xff, 0xff, 0xff, 0xff, 0xff, 0x11, /* 0x10 */
     40		0x11, 0x11, 0x11, 0xff, 0xff, 0xff, 0xff, 0xff,
     41		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x26, 0x27, /* 0x20 */
     42		0x28, 0x29, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
     43		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x30 */
     44		0xff, 0xff, 0x26, 0x27, 0x28, 0x29, 0x26, 0x27,
     45		0x28, 0x29, 0xff, 0xff, 0xff, 0xff, 0x46, 0xff, /* 0x40 */
     46		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
     47		0xff, 0x46, 0x46, 0x46, 0x46, 0xff, 0xff, 0xff, /* 0x50 */
     48		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
     49		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x60 */
     50		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
     51		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x70 */
     52		0xff, 0xff, 0xff, 0x7b, 0xff, 0xff, 0xff, 0xff,
     53		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7b, 0x7b, /* 0x80 */
     54		0x7b, 0x7b, 0xff, 0x8b, 0x8c, 0x8d, 0x8e, 0xff,
     55		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0x90 */
     56		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
     57		0xff, 0xff, 0xff, 0x8b, 0x8c, 0x8d, 0x8e, 0xa7, /* 0xa0 */
     58		0xa8, 0xa9, 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff,
     59		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0xb0 */
     60		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xa7,
     61		0xa8, 0xa9, 0xaa, 0xc3, 0xff, 0xff, 0xff, 0xff, /* 0xc0 */
     62		0xff, 0xff, 0xff, 0xff, 0xfe, 0xfe, 0xc3, 0xc3,
     63		0xc3, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 0xd0 */
     64		0xfe, 0xff, 0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfe,
     65		0xfe, 0xff, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xff, /* 0xe0 */
     66		0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfe, 0xfe, 0xff,
     67		0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, /* 0xf0 */
     68		0xfe, 0xfe, 0xfe, 0xfe, 0xff, 0xfd, 0xfe, 0xff
     69	};
     70
     71	*count = ARRAY_SIZE(kind);
     72	*invalid = 0xff;
     73	return kind;
     74}
     75
     76static const struct nvkm_mmu_func
     77gf100_mmu = {
     78	.dma_bits = 40,
     79	.mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
     80	.mem = {{ -1,  0, NVIF_CLASS_MEM_GF100}, gf100_mem_new, gf100_mem_map },
     81	.vmm = {{ -1, -1, NVIF_CLASS_VMM_GF100}, gf100_vmm_new },
     82	.kind = gf100_mmu_kind,
     83	.kind_sys = true,
     84};
     85
     86int
     87gf100_mmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
     88	      struct nvkm_mmu **pmmu)
     89{
     90	return nvkm_mmu_new_(&gf100_mmu, device, type, inst, pmmu);
     91}