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1 | /* |
2 | * This program is free software; you can redistribute it and/or modify | |
3 | * it under the terms of the GNU General Public License, version 2, as | |
4 | * published by the Free Software Foundation. | |
5 | * | |
6 | * This program is distributed in the hope that it will be useful, | |
7 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
8 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
9 | * GNU General Public License for more details. | |
10 | * | |
11 | * You should have received a copy of the GNU General Public License | |
12 | * along with this program; if not, write to the Free Software | |
13 | * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
14 | * | |
15 | * Copyright IBM Corp. 2007 | |
16 | * | |
17 | * Authors: Hollis Blanchard <hollisb@us.ibm.com> | |
18 | */ | |
19 | ||
20 | #ifndef __POWERPC_KVM_HOST_H__ | |
21 | #define __POWERPC_KVM_HOST_H__ | |
22 | ||
23 | #include <linux/mutex.h> | |
24 | #include <linux/timer.h> | |
25 | #include <linux/types.h> | |
26 | #include <linux/kvm_types.h> | |
27 | #include <asm/kvm_asm.h> | |
28 | ||
29 | #define KVM_MAX_VCPUS 1 | |
30 | #define KVM_MEMORY_SLOTS 32 | |
31 | /* memory slots that does not exposed to userspace */ | |
32 | #define KVM_PRIVATE_MEM_SLOTS 4 | |
33 | ||
588968b6 LV |
34 | #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 |
35 | ||
bbf45ba5 HB |
36 | /* We don't currently support large pages. */ |
37 | #define KVM_PAGES_PER_HPAGE (1<<31) | |
38 | ||
39 | struct kvm; | |
40 | struct kvm_run; | |
41 | struct kvm_vcpu; | |
42 | ||
43 | struct kvm_vm_stat { | |
44 | u32 remote_tlb_flush; | |
45 | }; | |
46 | ||
47 | struct kvm_vcpu_stat { | |
48 | u32 sum_exits; | |
49 | u32 mmio_exits; | |
50 | u32 dcr_exits; | |
51 | u32 signal_exits; | |
52 | u32 light_exits; | |
53 | /* Account for special types of light exits: */ | |
54 | u32 itlb_real_miss_exits; | |
55 | u32 itlb_virt_miss_exits; | |
56 | u32 dtlb_real_miss_exits; | |
57 | u32 dtlb_virt_miss_exits; | |
58 | u32 syscall_exits; | |
59 | u32 isi_exits; | |
60 | u32 dsi_exits; | |
61 | u32 emulated_inst_exits; | |
62 | u32 dec_exits; | |
63 | u32 ext_intr_exits; | |
45c5eb67 | 64 | u32 halt_wakeup; |
bbf45ba5 HB |
65 | }; |
66 | ||
67 | struct tlbe { | |
68 | u32 tid; /* Only the low 8 bits are used. */ | |
69 | u32 word0; | |
70 | u32 word1; | |
71 | u32 word2; | |
72 | }; | |
73 | ||
74 | struct kvm_arch { | |
75 | }; | |
76 | ||
77 | struct kvm_vcpu_arch { | |
78 | /* Unmodified copy of the guest's TLB. */ | |
79 | struct tlbe guest_tlb[PPC44x_TLB_SIZE]; | |
80 | /* TLB that's actually used when the guest is running. */ | |
81 | struct tlbe shadow_tlb[PPC44x_TLB_SIZE]; | |
82 | /* Pages which are referenced in the shadow TLB. */ | |
83 | struct page *shadow_pages[PPC44x_TLB_SIZE]; | |
bbf45ba5 | 84 | |
83aae4a8 HB |
85 | /* Track which TLB entries we've modified in the current exit. */ |
86 | u8 shadow_tlb_mod[PPC44x_TLB_SIZE]; | |
87 | ||
bbf45ba5 HB |
88 | u32 host_stack; |
89 | u32 host_pid; | |
6a0ab738 HB |
90 | u32 host_dbcr0; |
91 | u32 host_dbcr1; | |
92 | u32 host_dbcr2; | |
93 | u32 host_iac[4]; | |
94 | u32 host_msr; | |
bbf45ba5 HB |
95 | |
96 | u64 fpr[32]; | |
97 | u32 gpr[32]; | |
98 | ||
99 | u32 pc; | |
100 | u32 cr; | |
101 | u32 ctr; | |
102 | u32 lr; | |
103 | u32 xer; | |
104 | ||
105 | u32 msr; | |
106 | u32 mmucr; | |
107 | u32 sprg0; | |
108 | u32 sprg1; | |
109 | u32 sprg2; | |
110 | u32 sprg3; | |
111 | u32 sprg4; | |
112 | u32 sprg5; | |
113 | u32 sprg6; | |
114 | u32 sprg7; | |
115 | u32 srr0; | |
116 | u32 srr1; | |
117 | u32 csrr0; | |
118 | u32 csrr1; | |
119 | u32 dsrr0; | |
120 | u32 dsrr1; | |
121 | u32 dear; | |
122 | u32 esr; | |
123 | u32 dec; | |
124 | u32 decar; | |
125 | u32 tbl; | |
126 | u32 tbu; | |
127 | u32 tcr; | |
128 | u32 tsr; | |
129 | u32 ivor[16]; | |
130 | u32 ivpr; | |
131 | u32 pir; | |
132 | u32 pid; | |
133 | u32 pvr; | |
134 | u32 ccr0; | |
135 | u32 ccr1; | |
136 | u32 dbcr0; | |
137 | u32 dbcr1; | |
138 | ||
139 | u32 last_inst; | |
140 | u32 fault_dear; | |
141 | u32 fault_esr; | |
142 | gpa_t paddr_accessed; | |
143 | ||
144 | u8 io_gpr; /* GPR used as IO source/target */ | |
145 | u8 mmio_is_bigendian; | |
146 | u8 dcr_needed; | |
147 | u8 dcr_is_write; | |
148 | ||
149 | u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */ | |
150 | ||
151 | struct timer_list dec_timer; | |
152 | unsigned long pending_exceptions; | |
153 | }; | |
154 | ||
155 | struct kvm_guest_debug { | |
156 | int enabled; | |
157 | unsigned long bp[4]; | |
158 | int singlestep; | |
159 | }; | |
160 | ||
161 | #endif /* __POWERPC_KVM_HOST_H__ */ |