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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vmmgk20a.c (2328B)

      1/*
      2 * Copyright 2017 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#include "vmm.h"
     23
     24#include <core/memory.h>
     25
     26int
     27gk20a_vmm_aper(enum nvkm_memory_target target)
     28{
     29	switch (target) {
     30	case NVKM_MEM_TARGET_NCOH: return 0;
     31	default:
     32		return -EINVAL;
     33	}
     34}
     35
     36static const struct nvkm_vmm_func
     37gk20a_vmm_17 = {
     38	.join = gf100_vmm_join,
     39	.part = gf100_vmm_part,
     40	.aper = gf100_vmm_aper,
     41	.valid = gf100_vmm_valid,
     42	.flush = gf100_vmm_flush,
     43	.invalidate_pdb = gf100_vmm_invalidate_pdb,
     44	.page = {
     45		{ 17, &gk104_vmm_desc_17_17[0], NVKM_VMM_PAGE_xxHC },
     46		{ 12, &gk104_vmm_desc_17_12[0], NVKM_VMM_PAGE_xxHx },
     47		{}
     48	}
     49};
     50
     51static const struct nvkm_vmm_func
     52gk20a_vmm_16 = {
     53	.join = gf100_vmm_join,
     54	.part = gf100_vmm_part,
     55	.aper = gf100_vmm_aper,
     56	.valid = gf100_vmm_valid,
     57	.flush = gf100_vmm_flush,
     58	.invalidate_pdb = gf100_vmm_invalidate_pdb,
     59	.page = {
     60		{ 16, &gk104_vmm_desc_16_16[0], NVKM_VMM_PAGE_xxHC },
     61		{ 12, &gk104_vmm_desc_16_12[0], NVKM_VMM_PAGE_xxHx },
     62		{}
     63	}
     64};
     65
     66int
     67gk20a_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
     68	      void *argv, u32 argc, struct lock_class_key *key,
     69	      const char *name, struct nvkm_vmm **pvmm)
     70{
     71	return gf100_vmm_new_(&gk20a_vmm_16, &gk20a_vmm_17, mmu, managed, addr,
     72			      size, argv, argc, key, name, pvmm);
     73}