remarkable-linux/arch/powerpc/include/asm/kvm_e500.h
Liu Yu da15bf436b KVM: PPC E500: fix tlbcfg emulation
commit 55fb1027c1cf9797dbdeab48180da530e81b1c39 doesn't update tlbcfg correctly.
Fix it.

And since guest OS likes 'fixed' hardware,
initialize tlbcfg everytime when guest access is useless.
So move this part to init code.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2010-03-01 12:36:06 -03:00

71 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;
};
struct kvmppc_vcpu_e500 {
/* Unmodified copy of the guest's TLB. */
struct tlbe *guest_tlb[E500_TLB_NUM];
/* TLB that's actually used when the guest is running. */
struct tlbe *shadow_tlb[E500_TLB_NUM];
/* Pages which are referenced in the shadow TLB. */
struct page **shadow_pages[E500_TLB_NUM];
unsigned int guest_tlb_size[E500_TLB_NUM];
unsigned int shadow_tlb_size[E500_TLB_NUM];
unsigned int guest_tlb_nv[E500_TLB_NUM];
u32 host_pid[E500_PID_NUM];
u32 pid[E500_PID_NUM];
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;
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__ */