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3cea8c43 AG |
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 SUSE Linux Products GmbH 2009 | |
16 | * | |
17 | * Authors: Alexander Graf <agraf@suse.de> | |
18 | */ | |
19 | ||
20 | #ifndef __ASM_KVM_BOOK3S_ASM_H__ | |
21 | #define __ASM_KVM_BOOK3S_ASM_H__ | |
22 | ||
54695c30 BH |
23 | /* XICS ICP register offsets */ |
24 | #define XICS_XIRR 4 | |
25 | #define XICS_MFRR 0xc | |
26 | #define XICS_IPI 2 /* interrupt source # for IPIs */ | |
27 | ||
b4deba5c PM |
28 | /* Maximum number of threads per physical core */ |
29 | #define MAX_SMT_THREADS 8 | |
30 | ||
31 | /* Maximum number of subcores per physical core */ | |
32 | #define MAX_SUBCORES 4 | |
33 | ||
7e57cba0 AG |
34 | #ifdef __ASSEMBLY__ |
35 | ||
c14dea04 | 36 | #ifdef CONFIG_KVM_BOOK3S_HANDLER |
3cea8c43 AG |
37 | |
38 | #include <asm/kvm_asm.h> | |
39 | ||
40 | .macro DO_KVM intno | |
41 | .if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \ | |
42 | (\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \ | |
43 | (\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \ | |
44 | (\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \ | |
45 | (\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \ | |
46 | (\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \ | |
47 | (\intno == BOOK3S_INTERRUPT_EXTERNAL) || \ | |
a5d4f3ad | 48 | (\intno == BOOK3S_INTERRUPT_EXTERNAL_HV) || \ |
3cea8c43 AG |
49 | (\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \ |
50 | (\intno == BOOK3S_INTERRUPT_PROGRAM) || \ | |
51 | (\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \ | |
52 | (\intno == BOOK3S_INTERRUPT_DECREMENTER) || \ | |
53 | (\intno == BOOK3S_INTERRUPT_SYSCALL) || \ | |
54 | (\intno == BOOK3S_INTERRUPT_TRACE) || \ | |
55 | (\intno == BOOK3S_INTERRUPT_PERFMON) || \ | |
56 | (\intno == BOOK3S_INTERRUPT_ALTIVEC) || \ | |
57 | (\intno == BOOK3S_INTERRUPT_VSX) | |
58 | ||
59 | b kvmppc_trampoline_\intno | |
60 | kvmppc_resume_\intno: | |
61 | ||
62 | .endif | |
63 | .endm | |
64 | ||
65 | #else | |
66 | ||
67 | .macro DO_KVM intno | |
68 | .endm | |
69 | ||
c14dea04 | 70 | #endif /* CONFIG_KVM_BOOK3S_HANDLER */ |
3cea8c43 | 71 | |
7e57cba0 AG |
72 | #else /*__ASSEMBLY__ */ |
73 | ||
b4deba5c PM |
74 | struct kvmppc_vcore; |
75 | ||
76 | /* Struct used for coordinating micro-threading (split-core) mode changes */ | |
77 | struct kvm_split_mode { | |
78 | unsigned long rpr; | |
79 | unsigned long pmmar; | |
80 | unsigned long ldbar; | |
81 | u8 subcore_size; | |
82 | u8 do_nap; | |
83 | u8 napped[MAX_SMT_THREADS]; | |
84 | struct kvmppc_vcore *master_vcs[MAX_SUBCORES]; | |
85 | }; | |
86 | ||
3c42bf8a PM |
87 | /* |
88 | * This struct goes in the PACA on 64-bit processors. It is used | |
89 | * to store host state that needs to be saved when we enter a guest | |
90 | * and restored when we exit, but isn't specific to any particular | |
91 | * guest or vcpu. It also has some scratch fields used by the guest | |
92 | * exit code. | |
93 | */ | |
94 | struct kvmppc_host_state { | |
95 | ulong host_r1; | |
96 | ulong host_r2; | |
de56a948 | 97 | ulong host_msr; |
3c42bf8a PM |
98 | ulong vmhandler; |
99 | ulong scratch0; | |
100 | ulong scratch1; | |
36e7bb38 | 101 | ulong scratch2; |
3c42bf8a | 102 | u8 in_guest; |
02143947 | 103 | u8 restore_hid5; |
19ccb76a | 104 | u8 napping; |
de56a948 | 105 | |
9975f5e3 | 106 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE |
f0888f70 PM |
107 | u8 hwthread_req; |
108 | u8 hwthread_state; | |
54695c30 | 109 | u8 host_ipi; |
e0b7ec05 | 110 | u8 ptid; |
de56a948 | 111 | struct kvm_vcpu *kvm_vcpu; |
371fefd6 PM |
112 | struct kvmppc_vcore *kvm_vcore; |
113 | unsigned long xics_phys; | |
54695c30 | 114 | u32 saved_xirr; |
de56a948 | 115 | u64 dabr; |
72cde5a8 | 116 | u64 host_mmcr[7]; /* MMCR 0,1,A, SIAR, SDAR, MMCR2, SIER */ |
9e368f29 | 117 | u32 host_pmc[8]; |
de56a948 PM |
118 | u64 host_purr; |
119 | u64 host_spurr; | |
120 | u64 host_dscr; | |
121 | u64 dec_expires; | |
b4deba5c | 122 | struct kvm_split_mode *kvm_split_mode; |
de56a948 | 123 | #endif |
0acb9111 PM |
124 | #ifdef CONFIG_PPC_BOOK3S_64 |
125 | u64 cfar; | |
4b8473c9 | 126 | u64 ppr; |
616dff86 | 127 | u64 host_fscr; |
0acb9111 | 128 | #endif |
3c42bf8a PM |
129 | }; |
130 | ||
7e57cba0 | 131 | struct kvmppc_book3s_shadow_vcpu { |
40fdd8c8 | 132 | bool in_use; |
7e57cba0 AG |
133 | ulong gpr[14]; |
134 | u32 cr; | |
c63517c2 | 135 | ulong xer; |
66bb1706 AG |
136 | ulong ctr; |
137 | ulong lr; | |
138 | ulong pc; | |
a2d56020 | 139 | |
66bb1706 AG |
140 | ulong shadow_srr1; |
141 | ulong fault_dar; | |
a2d56020 PM |
142 | u32 fault_dsisr; |
143 | u32 last_inst; | |
66bb1706 | 144 | |
66bb1706 AG |
145 | #ifdef CONFIG_PPC_BOOK3S_32 |
146 | u32 sr[16]; /* Guest SRs */ | |
3c42bf8a PM |
147 | |
148 | struct kvmppc_host_state hstate; | |
66bb1706 | 149 | #endif |
3c42bf8a | 150 | |
66bb1706 AG |
151 | #ifdef CONFIG_PPC_BOOK3S_64 |
152 | u8 slb_max; /* highest used guest slb entry */ | |
153 | struct { | |
154 | u64 esid; | |
155 | u64 vsid; | |
156 | } slb[64]; /* guest SLB */ | |
616dff86 | 157 | u64 shadow_fscr; |
66bb1706 | 158 | #endif |
7e57cba0 AG |
159 | }; |
160 | ||
161 | #endif /*__ASSEMBLY__ */ | |
162 | ||
f0888f70 PM |
163 | /* Values for kvm_state */ |
164 | #define KVM_HWTHREAD_IN_KERNEL 0 | |
bcef83a0 | 165 | #define KVM_HWTHREAD_IN_IDLE 1 |
f0888f70 PM |
166 | #define KVM_HWTHREAD_IN_KVM 2 |
167 | ||
3cea8c43 | 168 | #endif /* __ASM_KVM_BOOK3S_ASM_H__ */ |