97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
/*
|
|
* Copyright (C) 2008-2011 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
|
|
|
|
#define E500_TLB_VALID 1
|
|
#define E500_TLB_DIRTY 2
|
|
|
|
struct tlbe_ref {
|
|
pfn_t pfn;
|
|
unsigned int flags; /* E500_TLB_* */
|
|
};
|
|
|
|
struct tlbe_priv {
|
|
struct tlbe_ref ref; /* TLB0 only -- TLB1 uses tlb_refs */
|
|
};
|
|
|
|
struct vcpu_id_table;
|
|
|
|
struct kvmppc_e500_tlb_params {
|
|
int entries, ways, sets;
|
|
};
|
|
|
|
struct kvmppc_vcpu_e500 {
|
|
/* Unmodified copy of the guest's TLB -- shared with host userspace. */
|
|
struct kvm_book3e_206_tlb_entry *gtlb_arch;
|
|
|
|
/* Starting entry number in gtlb_arch[] */
|
|
int gtlb_offset[E500_TLB_NUM];
|
|
|
|
/* KVM internal information associated with each guest TLB entry */
|
|
struct tlbe_priv *gtlb_priv[E500_TLB_NUM];
|
|
|
|
struct kvmppc_e500_tlb_params gtlb_params[E500_TLB_NUM];
|
|
|
|
unsigned int gtlb_nv[E500_TLB_NUM];
|
|
|
|
/*
|
|
* information associated with each host TLB entry --
|
|
* TLB1 only for now. If/when guest TLB1 entries can be
|
|
* mapped with host TLB0, this will be used for that too.
|
|
*
|
|
* We don't want to use this for guest TLB0 because then we'd
|
|
* have the overhead of doing the translation again even if
|
|
* the entry is still in the guest TLB (e.g. we swapped out
|
|
* and back, and our host TLB entries got evicted).
|
|
*/
|
|
struct tlbe_ref *tlb_refs[E500_TLB_NUM];
|
|
unsigned int host_tlb1_nv;
|
|
|
|
u32 host_pid[E500_PID_NUM];
|
|
u32 pid[E500_PID_NUM];
|
|
u32 svr;
|
|
|
|
/* vcpu id table */
|
|
struct vcpu_id_table *idt;
|
|
|
|
u32 l1csr0;
|
|
u32 l1csr1;
|
|
u32 hid0;
|
|
u32 hid1;
|
|
u32 tlb0cfg;
|
|
u32 tlb1cfg;
|
|
u64 mcar;
|
|
|
|
struct page **shared_tlb_pages;
|
|
int num_shared_tlb_pages;
|
|
|
|
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__ */
|