f65c229c3e
This patch changes the kvm-amd module to allocate the SVM MSR permission map per VCPU instead of a global map for all VCPUs. With this we have more flexibility allowing specific guests to access virtualized MSRs. This is required for LBR virtualization. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Markus Rechberger <markus.rechberger@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
47 lines
923 B
C
47 lines
923 B
C
#ifndef __KVM_SVM_H
|
|
#define __KVM_SVM_H
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
#include <linux/list.h>
|
|
#include <linux/kvm_host.h>
|
|
#include <asm/msr.h>
|
|
|
|
#include "svm.h"
|
|
|
|
static const u32 host_save_user_msrs[] = {
|
|
#ifdef CONFIG_X86_64
|
|
MSR_STAR, MSR_LSTAR, MSR_CSTAR, MSR_SYSCALL_MASK, MSR_KERNEL_GS_BASE,
|
|
MSR_FS_BASE,
|
|
#endif
|
|
MSR_IA32_SYSENTER_CS, MSR_IA32_SYSENTER_ESP, MSR_IA32_SYSENTER_EIP,
|
|
};
|
|
|
|
#define NR_HOST_SAVE_USER_MSRS ARRAY_SIZE(host_save_user_msrs)
|
|
#define NUM_DB_REGS 4
|
|
|
|
struct kvm_vcpu;
|
|
|
|
struct vcpu_svm {
|
|
struct kvm_vcpu vcpu;
|
|
struct vmcb *vmcb;
|
|
unsigned long vmcb_pa;
|
|
struct svm_cpu_data *svm_data;
|
|
uint64_t asid_generation;
|
|
|
|
unsigned long db_regs[NUM_DB_REGS];
|
|
|
|
u64 next_rip;
|
|
|
|
u64 host_user_msrs[NR_HOST_SAVE_USER_MSRS];
|
|
u64 host_gs_base;
|
|
unsigned long host_cr2;
|
|
unsigned long host_db_regs[NUM_DB_REGS];
|
|
unsigned long host_dr6;
|
|
unsigned long host_dr7;
|
|
|
|
u32 *msrpm;
|
|
};
|
|
|
|
#endif
|
|
|