1 /*
2  * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved.
3  *
4  * Author: Yu Liu, <yu.liu@freescale.com>
5  *
6  * Description:
7  * This file is derived from arch/powerpc/include/asm/kvm_44x.h,
8  * by Hollis Blanchard <hollisb@us.ibm.com>.
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License, version 2, as
12  * published by the Free Software Foundation.
13  */
14 
15 #ifndef __ASM_KVM_E500_H__
16 #define __ASM_KVM_E500_H__
17 
18 #include <linux/kvm_host.h>
19 
20 #define BOOKE_INTERRUPT_SIZE 36
21 
22 #define E500_PID_NUM   3
23 #define E500_TLB_NUM   2
24 
25 struct tlbe{
26 	u32 mas1;
27 	u32 mas2;
28 	u32 mas3;
29 	u32 mas7;
30 };
31 
32 #define E500_TLB_VALID 1
33 #define E500_TLB_DIRTY 2
34 
35 struct tlbe_priv {
36 	pfn_t pfn;
37 	unsigned int flags; /* E500_TLB_* */
38 };
39 
40 struct vcpu_id_table;
41 
42 struct kvmppc_vcpu_e500 {
43 	/* Unmodified copy of the guest's TLB. */
44 	struct tlbe *gtlb_arch[E500_TLB_NUM];
45 
46 	/* KVM internal information associated with each guest TLB entry */
47 	struct tlbe_priv *gtlb_priv[E500_TLB_NUM];
48 
49 	unsigned int gtlb_size[E500_TLB_NUM];
50 	unsigned int gtlb_nv[E500_TLB_NUM];
51 
52 	u32 host_pid[E500_PID_NUM];
53 	u32 pid[E500_PID_NUM];
54 	u32 svr;
55 
56 	u32 mas0;
57 	u32 mas1;
58 	u32 mas2;
59 	u32 mas3;
60 	u32 mas4;
61 	u32 mas5;
62 	u32 mas6;
63 	u32 mas7;
64 
65 	/* vcpu id table */
66 	struct vcpu_id_table *idt;
67 
68 	u32 l1csr0;
69 	u32 l1csr1;
70 	u32 hid0;
71 	u32 hid1;
72 	u32 tlb0cfg;
73 	u32 tlb1cfg;
74 	u64 mcar;
75 
76 	struct kvm_vcpu vcpu;
77 };
78 
to_e500(struct kvm_vcpu * vcpu)79 static inline struct kvmppc_vcpu_e500 *to_e500(struct kvm_vcpu *vcpu)
80 {
81 	return container_of(vcpu, struct kvmppc_vcpu_e500, vcpu);
82 }
83 
84 #endif /* __ASM_KVM_E500_H__ */
85