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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 | ||
8e3f5fc1 PM |
28 | /* LPIDs we support with this build -- runtime limit may be lower */ |
29 | #define KVMPPC_NR_LPIDS (LPID_RSVD + 1) | |
30 | ||
b4deba5c PM |
31 | /* Maximum number of threads per physical core */ |
32 | #define MAX_SMT_THREADS 8 | |
33 | ||
34 | /* Maximum number of subcores per physical core */ | |
35 | #define MAX_SUBCORES 4 | |
36 | ||
7e57cba0 AG |
37 | #ifdef __ASSEMBLY__ |
38 | ||
c14dea04 | 39 | #ifdef CONFIG_KVM_BOOK3S_HANDLER |
3cea8c43 AG |
40 | |
41 | #include <asm/kvm_asm.h> | |
42 | ||
43 | .macro DO_KVM intno | |
44 | .if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \ | |
45 | (\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \ | |
46 | (\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \ | |
47 | (\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \ | |
48 | (\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \ | |
49 | (\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \ | |
50 | (\intno == BOOK3S_INTERRUPT_EXTERNAL) || \ | |
a5d4f3ad | 51 | (\intno == BOOK3S_INTERRUPT_EXTERNAL_HV) || \ |
3cea8c43 AG |
52 | (\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \ |
53 | (\intno == BOOK3S_INTERRUPT_PROGRAM) || \ | |
54 | (\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \ | |
55 | (\intno == BOOK3S_INTERRUPT_DECREMENTER) || \ | |
56 | (\intno == BOOK3S_INTERRUPT_SYSCALL) || \ | |
57 | (\intno == BOOK3S_INTERRUPT_TRACE) || \ | |
58 | (\intno == BOOK3S_INTERRUPT_PERFMON) || \ | |
59 | (\intno == BOOK3S_INTERRUPT_ALTIVEC) || \ | |
60 | (\intno == BOOK3S_INTERRUPT_VSX) | |
61 | ||
62 | b kvmppc_trampoline_\intno | |
63 | kvmppc_resume_\intno: | |
64 | ||
65 | .endif | |
66 | .endm | |
67 | ||
68 | #else | |
69 | ||
70 | .macro DO_KVM intno | |
71 | .endm | |
72 | ||
c14dea04 | 73 | #endif /* CONFIG_KVM_BOOK3S_HANDLER */ |
3cea8c43 | 74 | |
7e57cba0 AG |
75 | #else /*__ASSEMBLY__ */ |
76 | ||
b4deba5c PM |
77 | struct kvmppc_vcore; |
78 | ||
79 | /* Struct used for coordinating micro-threading (split-core) mode changes */ | |
80 | struct kvm_split_mode { | |
81 | unsigned long rpr; | |
82 | unsigned long pmmar; | |
83 | unsigned long ldbar; | |
84 | u8 subcore_size; | |
85 | u8 do_nap; | |
86 | u8 napped[MAX_SMT_THREADS]; | |
898b25b2 | 87 | struct kvmppc_vcore *vc[MAX_SUBCORES]; |
c0101509 PM |
88 | /* Bits for changing lpcr on P9 */ |
89 | unsigned long lpcr_req; | |
90 | unsigned long lpidr_req; | |
91 | unsigned long host_lpcr; | |
92 | u32 do_set; | |
93 | u32 do_restore; | |
94 | union { | |
95 | u32 allphases; | |
96 | u8 phase[4]; | |
97 | } lpcr_sync; | |
b4deba5c PM |
98 | }; |
99 | ||
3c42bf8a PM |
100 | /* |
101 | * This struct goes in the PACA on 64-bit processors. It is used | |
102 | * to store host state that needs to be saved when we enter a guest | |
103 | * and restored when we exit, but isn't specific to any particular | |
104 | * guest or vcpu. It also has some scratch fields used by the guest | |
105 | * exit code. | |
106 | */ | |
107 | struct kvmppc_host_state { | |
108 | ulong host_r1; | |
109 | ulong host_r2; | |
de56a948 | 110 | ulong host_msr; |
3c42bf8a PM |
111 | ulong vmhandler; |
112 | ulong scratch0; | |
113 | ulong scratch1; | |
36e7bb38 | 114 | ulong scratch2; |
3c42bf8a | 115 | u8 in_guest; |
02143947 | 116 | u8 restore_hid5; |
19ccb76a | 117 | u8 napping; |
de56a948 | 118 | |
9975f5e3 | 119 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE |
f0888f70 PM |
120 | u8 hwthread_req; |
121 | u8 hwthread_state; | |
54695c30 | 122 | u8 host_ipi; |
c0101509 PM |
123 | u8 ptid; /* thread number within subcore when split */ |
124 | u8 tid; /* thread number within whole core */ | |
4bb3c7a0 | 125 | u8 fake_suspend; |
de56a948 | 126 | struct kvm_vcpu *kvm_vcpu; |
371fefd6 | 127 | struct kvmppc_vcore *kvm_vcore; |
d381d7ca | 128 | void __iomem *xics_phys; |
5af50993 BH |
129 | void __iomem *xive_tima_phys; |
130 | void __iomem *xive_tima_virt; | |
54695c30 | 131 | u32 saved_xirr; |
de56a948 | 132 | u64 dabr; |
72cde5a8 | 133 | u64 host_mmcr[7]; /* MMCR 0,1,A, SIAR, SDAR, MMCR2, SIER */ |
9e368f29 | 134 | u32 host_pmc[8]; |
de56a948 PM |
135 | u64 host_purr; |
136 | u64 host_spurr; | |
137 | u64 host_dscr; | |
138 | u64 dec_expires; | |
b4deba5c | 139 | struct kvm_split_mode *kvm_split_mode; |
de56a948 | 140 | #endif |
0acb9111 PM |
141 | #ifdef CONFIG_PPC_BOOK3S_64 |
142 | u64 cfar; | |
4b8473c9 | 143 | u64 ppr; |
616dff86 | 144 | u64 host_fscr; |
0acb9111 | 145 | #endif |
3c42bf8a PM |
146 | }; |
147 | ||
7e57cba0 | 148 | struct kvmppc_book3s_shadow_vcpu { |
40fdd8c8 | 149 | bool in_use; |
7e57cba0 AG |
150 | ulong gpr[14]; |
151 | u32 cr; | |
c63517c2 | 152 | ulong xer; |
66bb1706 AG |
153 | ulong ctr; |
154 | ulong lr; | |
155 | ulong pc; | |
a2d56020 | 156 | |
66bb1706 AG |
157 | ulong shadow_srr1; |
158 | ulong fault_dar; | |
a2d56020 PM |
159 | u32 fault_dsisr; |
160 | u32 last_inst; | |
66bb1706 | 161 | |
66bb1706 AG |
162 | #ifdef CONFIG_PPC_BOOK3S_32 |
163 | u32 sr[16]; /* Guest SRs */ | |
3c42bf8a PM |
164 | |
165 | struct kvmppc_host_state hstate; | |
66bb1706 | 166 | #endif |
3c42bf8a | 167 | |
66bb1706 AG |
168 | #ifdef CONFIG_PPC_BOOK3S_64 |
169 | u8 slb_max; /* highest used guest slb entry */ | |
170 | struct { | |
171 | u64 esid; | |
172 | u64 vsid; | |
173 | } slb[64]; /* guest SLB */ | |
616dff86 | 174 | u64 shadow_fscr; |
66bb1706 | 175 | #endif |
7e57cba0 AG |
176 | }; |
177 | ||
178 | #endif /*__ASSEMBLY__ */ | |
179 | ||
f0888f70 PM |
180 | /* Values for kvm_state */ |
181 | #define KVM_HWTHREAD_IN_KERNEL 0 | |
bcef83a0 | 182 | #define KVM_HWTHREAD_IN_IDLE 1 |
f0888f70 PM |
183 | #define KVM_HWTHREAD_IN_KVM 2 |
184 | ||
3cea8c43 | 185 | #endif /* __ASM_KVM_BOOK3S_ASM_H__ */ |