97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
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/*
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* Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved.
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*
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* Author: Yu Liu, <yu.liu@freescale.com>
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*
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* Description:
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* This file is derived from arch/powerpc/include/asm/kvm_44x.h,
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* by Hollis Blanchard <hollisb@us.ibm.com>.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2, as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_KVM_E500_H__
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#define __ASM_KVM_E500_H__
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#include <linux/kvm_host.h>
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#define BOOKE_INTERRUPT_SIZE 36
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#define E500_PID_NUM 3
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#define E500_TLB_NUM 2
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#define E500_TLB_VALID 1
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#define E500_TLB_DIRTY 2
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struct tlbe_ref {
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pfn_t pfn;
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unsigned int flags; /* E500_TLB_* */
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};
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struct tlbe_priv {
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struct tlbe_ref ref; /* TLB0 only -- TLB1 uses tlb_refs */
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};
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struct vcpu_id_table;
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struct kvmppc_e500_tlb_params {
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int entries, ways, sets;
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};
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struct kvmppc_vcpu_e500 {
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/* Unmodified copy of the guest's TLB -- shared with host userspace. */
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struct kvm_book3e_206_tlb_entry *gtlb_arch;
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/* Starting entry number in gtlb_arch[] */
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int gtlb_offset[E500_TLB_NUM];
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/* KVM internal information associated with each guest TLB entry */
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struct tlbe_priv *gtlb_priv[E500_TLB_NUM];
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struct kvmppc_e500_tlb_params gtlb_params[E500_TLB_NUM];
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unsigned int gtlb_nv[E500_TLB_NUM];
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/*
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* information associated with each host TLB entry --
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* TLB1 only for now. If/when guest TLB1 entries can be
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* mapped with host TLB0, this will be used for that too.
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*
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* We don't want to use this for guest TLB0 because then we'd
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* have the overhead of doing the translation again even if
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* the entry is still in the guest TLB (e.g. we swapped out
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* and back, and our host TLB entries got evicted).
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*/
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struct tlbe_ref *tlb_refs[E500_TLB_NUM];
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unsigned int host_tlb1_nv;
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u32 host_pid[E500_PID_NUM];
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u32 pid[E500_PID_NUM];
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u32 svr;
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/* vcpu id table */
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struct vcpu_id_table *idt;
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u32 l1csr0;
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u32 l1csr1;
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u32 hid0;
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u32 hid1;
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u32 tlb0cfg;
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u32 tlb1cfg;
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u64 mcar;
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struct page **shared_tlb_pages;
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int num_shared_tlb_pages;
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struct kvm_vcpu vcpu;
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};
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static inline struct kvmppc_vcpu_e500 *to_e500(struct kvm_vcpu *vcpu)
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{
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return container_of(vcpu, struct kvmppc_vcpu_e500, vcpu);
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}
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#endif /* __ASM_KVM_E500_H__ */
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