github/acrn-hypervisor
1
0
Fork 0
mirror of https://github.com/projectacrn/acrn-hypervisor.git synced 2026-06-07 17:46:15 +00:00
Code Issues Projects Releases Wiki Activity

modularization: move vMTRR code to guest directory

Browse Source 
MTRR emulation belongs to virtual CPU component.

- rename mtrr.c to vmtrr.c and move it to arch/x86/guest
- rename mtrr.h to vmtrr.h and move it to include/arch/x86/guest

Tracked-On: #1842
Signed-off-by: Zide Chen <zide.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Zide Chen
2018-12-10 13:04:55 -08:00
committed by wenlingz
parent e066774a1c
commit 6bbd0129c3
5 changed files with 7 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
hypervisor/include/arch/x86/guest/vmtrr.h Normal file
View File

@@ -0,0 +1,86 @@
/*
* Copyright (C) <2018> Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause
*/
/**
* @file vmtrr.h
*
* @brief MTRR Virtualization
*/
#ifndef VMTRR_H
#define VMTRR_H
/**
* @brief MTRR Virtualization
*
* @addtogroup acrn_mem ACRN Memory Management
* @{
*/
#define FIXED_RANGE_MTRR_NUM 11U
#define MTRR_SUB_RANGE_NUM 8U
union mtrr_cap_reg {
uint64_t value;
struct {
uint32_t vcnt:8;
uint32_t fix:1;
uint32_t res0:1;
uint32_t wc:1;
uint32_t res1:21;
uint32_t res2:32;
} bits;
};
union mtrr_def_type_reg {
uint64_t value;
struct {
uint32_t type:8;
uint32_t res0:2;
uint32_t fixed_enable:1;
uint32_t enable:1;
uint32_t res1:20;
uint32_t res2:32;
} bits;
};
union mtrr_fixed_range_reg {
uint64_t value;
uint8_t type[MTRR_SUB_RANGE_NUM];
};
struct mtrr_state {
union mtrr_cap_reg cap;
union mtrr_def_type_reg def_type;
union mtrr_fixed_range_reg fixed_range[FIXED_RANGE_MTRR_NUM];
};
/**
* @brief Virtual MTRR MSR write
*
* @param[inout] vcpu The pointer that points VCPU data structure
* @param[in] msr Virtual MTRR MSR Address
* @param[in] value The value that will be writen into virtual MTRR MSR
*
* @return None
*/
void mtrr_wrmsr(struct acrn_vcpu *vcpu, uint32_t msr, uint64_t value);
/**
* @brief Virtual MTRR MSR read
*
* @param[in] vcpu The pointer that points VCPU data structure
* @param[in] msr Virtual MTRR MSR Address
*
* @return The specified virtual MTRR MSR value
*/
uint64_t mtrr_rdmsr(const struct acrn_vcpu *vcpu, uint32_t msr);
/**
* @brief Virtual MTRR initialization
*
* @param[inout] vcpu The pointer that points VCPU data structure
*
* @return None
*/
void init_mtrr(struct acrn_vcpu *vcpu);
/**
* @}
*/
#endif /* VMTRR_H */