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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dcn20_vmid.h (3353B)


      1/*
      2 * Copyright 2018 Advanced Micro Devices, 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: AMD
     23 *
     24 */
     25
     26#ifndef DAL_DC_DCN20_DCN20_VMID_H_
     27#define DAL_DC_DCN20_DCN20_VMID_H_
     28
     29#include "vmid.h"
     30
     31#define BASE_INNER(seg) \
     32	DCE_BASE__INST0_SEG ## seg
     33
     34#define BASE(seg) \
     35	BASE_INNER(seg)
     36
     37#define DCN20_VMID_REG_LIST(id)\
     38	SRI(CNTL, DCN_VM_CONTEXT, id),\
     39	SRI(PAGE_TABLE_BASE_ADDR_HI32, DCN_VM_CONTEXT, id),\
     40	SRI(PAGE_TABLE_BASE_ADDR_LO32, DCN_VM_CONTEXT, id),\
     41	SRI(PAGE_TABLE_START_ADDR_HI32, DCN_VM_CONTEXT, id),\
     42	SRI(PAGE_TABLE_START_ADDR_LO32, DCN_VM_CONTEXT, id),\
     43	SRI(PAGE_TABLE_END_ADDR_HI32, DCN_VM_CONTEXT, id),\
     44	SRI(PAGE_TABLE_END_ADDR_LO32, DCN_VM_CONTEXT, id)
     45
     46#define DCN20_VMID_MASK_SH_LIST(mask_sh)\
     47	SF(DCN_VM_CONTEXT0_CNTL, VM_CONTEXT0_PAGE_TABLE_DEPTH, mask_sh),\
     48	SF(DCN_VM_CONTEXT0_CNTL, VM_CONTEXT0_PAGE_TABLE_BLOCK_SIZE, mask_sh),\
     49	SF(DCN_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, VM_CONTEXT0_PAGE_DIRECTORY_ENTRY_HI32, mask_sh),\
     50	SF(DCN_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, VM_CONTEXT0_PAGE_DIRECTORY_ENTRY_LO32, mask_sh),\
     51	SF(DCN_VM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, VM_CONTEXT0_START_LOGICAL_PAGE_NUMBER_HI4, mask_sh),\
     52	SF(DCN_VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, VM_CONTEXT0_START_LOGICAL_PAGE_NUMBER_LO32, mask_sh),\
     53	SF(DCN_VM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, VM_CONTEXT0_END_LOGICAL_PAGE_NUMBER_HI4, mask_sh),\
     54	SF(DCN_VM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, VM_CONTEXT0_END_LOGICAL_PAGE_NUMBER_LO32, mask_sh)
     55
     56#define DCN20_VMID_REG_FIELD_LIST(type)\
     57	type VM_CONTEXT0_PAGE_TABLE_DEPTH;\
     58	type VM_CONTEXT0_PAGE_TABLE_BLOCK_SIZE;\
     59	type VM_CONTEXT0_PAGE_DIRECTORY_ENTRY_HI32;\
     60	type VM_CONTEXT0_PAGE_DIRECTORY_ENTRY_LO32;\
     61	type VM_CONTEXT0_START_LOGICAL_PAGE_NUMBER_HI4;\
     62	type VM_CONTEXT0_START_LOGICAL_PAGE_NUMBER_LO32;\
     63	type VM_CONTEXT0_END_LOGICAL_PAGE_NUMBER_HI4;\
     64	type VM_CONTEXT0_END_LOGICAL_PAGE_NUMBER_LO32
     65
     66struct dcn20_vmid_shift {
     67	DCN20_VMID_REG_FIELD_LIST(uint8_t);
     68};
     69
     70struct dcn20_vmid_mask {
     71	DCN20_VMID_REG_FIELD_LIST(uint32_t);
     72};
     73
     74struct dcn20_vmid {
     75	struct dc_context *ctx;
     76	const struct dcn_vmid_registers *regs;
     77	const struct dcn20_vmid_shift *shifts;
     78	const struct dcn20_vmid_mask *masks;
     79};
     80
     81void dcn20_vmid_setup(struct dcn20_vmid *vmid, const struct dcn_vmid_page_table_config *config);
     82
     83#endif /* DAL_DC_DCN20_DCN20_VMID_H_ */