linux_dsm_epyc7002/arch/powerpc/include/asm/kvm_e500.h
Liu Yu 08b7fa92b9 KVM: PPC: e500: Stop keeping shadow TLB
Instead of a fully separate set of TLB entries, keep just the
pfn and dirty status.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
2011-07-12 13:16:38 +03:00

79 lines
1.5 KiB
C

/*
* Copyright (C) 2008 Freescale Semiconductor, Inc. All rights reserved.
*
* Author: Yu Liu, <yu.liu@freescale.com>
*
* Description:
* This file is derived from arch/powerpc/include/asm/kvm_44x.h,
* by Hollis Blanchard <hollisb@us.ibm.com>.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*/
#ifndef __ASM_KVM_E500_H__
#define __ASM_KVM_E500_H__
#include <linux/kvm_host.h>
#define BOOKE_INTERRUPT_SIZE 36
#define E500_PID_NUM 3
#define E500_TLB_NUM 2
struct tlbe{
u32 mas1;
u32 mas2;
u32 mas3;
u32 mas7;
};
#define E500_TLB_VALID 1
#define E500_TLB_DIRTY 2
struct tlbe_priv {
pfn_t pfn;
unsigned int flags; /* E500_TLB_* */
};
struct kvmppc_vcpu_e500 {
/* Unmodified copy of the guest's TLB. */
struct tlbe *gtlb_arch[E500_TLB_NUM];
/* KVM internal information associated with each guest TLB entry */
struct tlbe_priv *gtlb_priv[E500_TLB_NUM];
unsigned int gtlb_size[E500_TLB_NUM];
unsigned int gtlb_nv[E500_TLB_NUM];
u32 host_pid[E500_PID_NUM];
u32 pid[E500_PID_NUM];
u32 svr;
u32 mas0;
u32 mas1;
u32 mas2;
u32 mas3;
u32 mas4;
u32 mas5;
u32 mas6;
u32 mas7;
u32 l1csr0;
u32 l1csr1;
u32 hid0;
u32 hid1;
u32 tlb0cfg;
u32 tlb1cfg;
u64 mcar;
struct kvm_vcpu vcpu;
};
static inline struct kvmppc_vcpu_e500 *to_e500(struct kvm_vcpu *vcpu)
{
return container_of(vcpu, struct kvmppc_vcpu_e500, vcpu);
}
#endif /* __ASM_KVM_E500_H__ */