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d94d71cb | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
3cea8c43 | 2 | /* |
3cea8c43 AG |
3 | * |
4 | * Copyright SUSE Linux Products GmbH 2009 | |
5 | * | |
6 | * Authors: Alexander Graf <agraf@suse.de> | |
7 | */ | |
8 | ||
9 | #ifndef __ASM_KVM_BOOK3S_ASM_H__ | |
10 | #define __ASM_KVM_BOOK3S_ASM_H__ | |
11 | ||
54695c30 BH |
12 | /* XICS ICP register offsets */ |
13 | #define XICS_XIRR 4 | |
14 | #define XICS_MFRR 0xc | |
15 | #define XICS_IPI 2 /* interrupt source # for IPIs */ | |
16 | ||
8e3f5fc1 PM |
17 | /* LPIDs we support with this build -- runtime limit may be lower */ |
18 | #define KVMPPC_NR_LPIDS (LPID_RSVD + 1) | |
19 | ||
b4deba5c PM |
20 | /* Maximum number of threads per physical core */ |
21 | #define MAX_SMT_THREADS 8 | |
22 | ||
23 | /* Maximum number of subcores per physical core */ | |
24 | #define MAX_SUBCORES 4 | |
25 | ||
7e57cba0 AG |
26 | #ifdef __ASSEMBLY__ |
27 | ||
c14dea04 | 28 | #ifdef CONFIG_KVM_BOOK3S_HANDLER |
3cea8c43 AG |
29 | |
30 | #include <asm/kvm_asm.h> | |
31 | ||
32 | .macro DO_KVM intno | |
33 | .if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \ | |
34 | (\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \ | |
35 | (\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \ | |
36 | (\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \ | |
37 | (\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \ | |
38 | (\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \ | |
39 | (\intno == BOOK3S_INTERRUPT_EXTERNAL) || \ | |
a5d4f3ad | 40 | (\intno == BOOK3S_INTERRUPT_EXTERNAL_HV) || \ |
3cea8c43 AG |
41 | (\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \ |
42 | (\intno == BOOK3S_INTERRUPT_PROGRAM) || \ | |
43 | (\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \ | |
44 | (\intno == BOOK3S_INTERRUPT_DECREMENTER) || \ | |
45 | (\intno == BOOK3S_INTERRUPT_SYSCALL) || \ | |
46 | (\intno == BOOK3S_INTERRUPT_TRACE) || \ | |
47 | (\intno == BOOK3S_INTERRUPT_PERFMON) || \ | |
48 | (\intno == BOOK3S_INTERRUPT_ALTIVEC) || \ | |
49 | (\intno == BOOK3S_INTERRUPT_VSX) | |
50 | ||
51 | b kvmppc_trampoline_\intno | |
52 | kvmppc_resume_\intno: | |
53 | ||
54 | .endif | |
55 | .endm | |
56 | ||
57 | #else | |
58 | ||
59 | .macro DO_KVM intno | |
60 | .endm | |
61 | ||
c14dea04 | 62 | #endif /* CONFIG_KVM_BOOK3S_HANDLER */ |
3cea8c43 | 63 | |
7e57cba0 AG |
64 | #else /*__ASSEMBLY__ */ |
65 | ||
b4deba5c PM |
66 | struct kvmppc_vcore; |
67 | ||
68 | /* Struct used for coordinating micro-threading (split-core) mode changes */ | |
69 | struct kvm_split_mode { | |
70 | unsigned long rpr; | |
71 | unsigned long pmmar; | |
72 | unsigned long ldbar; | |
73 | u8 subcore_size; | |
74 | u8 do_nap; | |
75 | u8 napped[MAX_SMT_THREADS]; | |
898b25b2 | 76 | struct kvmppc_vcore *vc[MAX_SUBCORES]; |
c0101509 PM |
77 | /* Bits for changing lpcr on P9 */ |
78 | unsigned long lpcr_req; | |
79 | unsigned long lpidr_req; | |
80 | unsigned long host_lpcr; | |
81 | u32 do_set; | |
82 | u32 do_restore; | |
83 | union { | |
84 | u32 allphases; | |
85 | u8 phase[4]; | |
86 | } lpcr_sync; | |
b4deba5c PM |
87 | }; |
88 | ||
3c42bf8a PM |
89 | /* |
90 | * This struct goes in the PACA on 64-bit processors. It is used | |
91 | * to store host state that needs to be saved when we enter a guest | |
92 | * and restored when we exit, but isn't specific to any particular | |
93 | * guest or vcpu. It also has some scratch fields used by the guest | |
94 | * exit code. | |
95 | */ | |
96 | struct kvmppc_host_state { | |
97 | ulong host_r1; | |
98 | ulong host_r2; | |
de56a948 | 99 | ulong host_msr; |
3c42bf8a PM |
100 | ulong vmhandler; |
101 | ulong scratch0; | |
102 | ulong scratch1; | |
36e7bb38 | 103 | ulong scratch2; |
3c42bf8a | 104 | u8 in_guest; |
02143947 | 105 | u8 restore_hid5; |
19ccb76a | 106 | u8 napping; |
de56a948 | 107 | |
9975f5e3 | 108 | #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE |
f0888f70 PM |
109 | u8 hwthread_req; |
110 | u8 hwthread_state; | |
54695c30 | 111 | u8 host_ipi; |
c0101509 PM |
112 | u8 ptid; /* thread number within subcore when split */ |
113 | u8 tid; /* thread number within whole core */ | |
4bb3c7a0 | 114 | u8 fake_suspend; |
de56a948 | 115 | struct kvm_vcpu *kvm_vcpu; |
371fefd6 | 116 | struct kvmppc_vcore *kvm_vcore; |
d381d7ca | 117 | void __iomem *xics_phys; |
5af50993 BH |
118 | void __iomem *xive_tima_phys; |
119 | void __iomem *xive_tima_virt; | |
54695c30 | 120 | u32 saved_xirr; |
de56a948 | 121 | u64 dabr; |
72cde5a8 | 122 | u64 host_mmcr[7]; /* MMCR 0,1,A, SIAR, SDAR, MMCR2, SIER */ |
9e368f29 | 123 | u32 host_pmc[8]; |
de56a948 PM |
124 | u64 host_purr; |
125 | u64 host_spurr; | |
126 | u64 host_dscr; | |
127 | u64 dec_expires; | |
b4deba5c | 128 | struct kvm_split_mode *kvm_split_mode; |
de56a948 | 129 | #endif |
0acb9111 PM |
130 | #ifdef CONFIG_PPC_BOOK3S_64 |
131 | u64 cfar; | |
4b8473c9 | 132 | u64 ppr; |
616dff86 | 133 | u64 host_fscr; |
0acb9111 | 134 | #endif |
3c42bf8a PM |
135 | }; |
136 | ||
7e57cba0 | 137 | struct kvmppc_book3s_shadow_vcpu { |
40fdd8c8 | 138 | bool in_use; |
7e57cba0 AG |
139 | ulong gpr[14]; |
140 | u32 cr; | |
c63517c2 | 141 | ulong xer; |
66bb1706 AG |
142 | ulong ctr; |
143 | ulong lr; | |
144 | ulong pc; | |
a2d56020 | 145 | |
66bb1706 AG |
146 | ulong shadow_srr1; |
147 | ulong fault_dar; | |
a2d56020 PM |
148 | u32 fault_dsisr; |
149 | u32 last_inst; | |
66bb1706 | 150 | |
66bb1706 AG |
151 | #ifdef CONFIG_PPC_BOOK3S_32 |
152 | u32 sr[16]; /* Guest SRs */ | |
3c42bf8a PM |
153 | |
154 | struct kvmppc_host_state hstate; | |
66bb1706 | 155 | #endif |
3c42bf8a | 156 | |
66bb1706 AG |
157 | #ifdef CONFIG_PPC_BOOK3S_64 |
158 | u8 slb_max; /* highest used guest slb entry */ | |
159 | struct { | |
160 | u64 esid; | |
161 | u64 vsid; | |
162 | } slb[64]; /* guest SLB */ | |
616dff86 | 163 | u64 shadow_fscr; |
66bb1706 | 164 | #endif |
7e57cba0 AG |
165 | }; |
166 | ||
167 | #endif /*__ASSEMBLY__ */ | |
168 | ||
f0888f70 PM |
169 | /* Values for kvm_state */ |
170 | #define KVM_HWTHREAD_IN_KERNEL 0 | |
bcef83a0 | 171 | #define KVM_HWTHREAD_IN_IDLE 1 |
f0888f70 PM |
172 | #define KVM_HWTHREAD_IN_KVM 2 |
173 | ||
3cea8c43 | 174 | #endif /* __ASM_KVM_BOOK3S_ASM_H__ */ |