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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vmmgm20b.c (2577B)


      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
     24static const struct nvkm_vmm_func
     25gm20b_vmm_17 = {
     26	.join = gm200_vmm_join,
     27	.part = gf100_vmm_part,
     28	.aper = gk20a_vmm_aper,
     29	.valid = gf100_vmm_valid,
     30	.flush = gf100_vmm_flush,
     31	.invalidate_pdb = gf100_vmm_invalidate_pdb,
     32	.page = {
     33		{ 27, &gm200_vmm_desc_17_17[1], NVKM_VMM_PAGE_Sxxx },
     34		{ 17, &gm200_vmm_desc_17_17[0], NVKM_VMM_PAGE_SxHC },
     35		{ 12, &gm200_vmm_desc_17_12[0], NVKM_VMM_PAGE_SxHx },
     36		{}
     37	}
     38};
     39
     40static const struct nvkm_vmm_func
     41gm20b_vmm_16 = {
     42	.join = gm200_vmm_join,
     43	.part = gf100_vmm_part,
     44	.aper = gk20a_vmm_aper,
     45	.valid = gf100_vmm_valid,
     46	.flush = gf100_vmm_flush,
     47	.invalidate_pdb = gf100_vmm_invalidate_pdb,
     48	.page = {
     49		{ 27, &gm200_vmm_desc_16_16[1], NVKM_VMM_PAGE_Sxxx },
     50		{ 16, &gm200_vmm_desc_16_16[0], NVKM_VMM_PAGE_SxHC },
     51		{ 12, &gm200_vmm_desc_16_12[0], NVKM_VMM_PAGE_SxHx },
     52		{}
     53	}
     54};
     55
     56int
     57gm20b_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
     58	      void *argv, u32 argc, struct lock_class_key *key,
     59	      const char *name, struct nvkm_vmm **pvmm)
     60{
     61	return gm200_vmm_new_(&gm20b_vmm_16, &gm20b_vmm_17, mmu, managed, addr,
     62			      size, argv, argc, key, name, pvmm);
     63}
     64
     65int
     66gm20b_vmm_new_fixed(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
     67		    void *argv, u32 argc, struct lock_class_key *key,
     68		    const char *name, struct nvkm_vmm **pvmm)
     69{
     70	return gf100_vmm_new_(&gm20b_vmm_16, &gm20b_vmm_17, mmu, managed, addr,
     71			      size, argv, argc, key, name, pvmm);
     72}