1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Copyright SUSE Linux Products GmbH 2009
9 #ifndef __ASM_KVM_BOOK3S_ASM_H__
10 #define __ASM_KVM_BOOK3S_ASM_H__
12 /* XICS ICP register offsets */
15 #define XICS_IPI 2 /* interrupt source # for IPIs */
17 /* Maximum number of threads per physical core */
18 #define MAX_SMT_THREADS 8
20 /* Maximum number of subcores per physical core */
21 #define MAX_SUBCORES 4
25 #ifdef CONFIG_KVM_BOOK3S_HANDLER
27 #include <asm/kvm_asm.h>
30 .if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \
31 (\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \
32 (\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \
33 (\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \
34 (\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \
35 (\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \
36 (\intno == BOOK3S_INTERRUPT_EXTERNAL) || \
37 (\intno == BOOK3S_INTERRUPT_EXTERNAL_HV) || \
38 (\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \
39 (\intno == BOOK3S_INTERRUPT_PROGRAM) || \
40 (\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \
41 (\intno == BOOK3S_INTERRUPT_DECREMENTER) || \
42 (\intno == BOOK3S_INTERRUPT_SYSCALL) || \
43 (\intno == BOOK3S_INTERRUPT_TRACE) || \
44 (\intno == BOOK3S_INTERRUPT_PERFMON) || \
45 (\intno == BOOK3S_INTERRUPT_ALTIVEC) || \
46 (\intno == BOOK3S_INTERRUPT_VSX)
48 b kvmppc_trampoline_\intno
59 #endif /* CONFIG_KVM_BOOK3S_HANDLER */
61 #else /*__ASSEMBLY__ */
65 /* Struct used for coordinating micro-threading (split-core) mode changes */
66 struct kvm_split_mode {
72 u8 napped[MAX_SMT_THREADS];
73 struct kvmppc_vcore *vc[MAX_SUBCORES];
77 * This struct goes in the PACA on 64-bit processors. It is used
78 * to store host state that needs to be saved when we enter a guest
79 * and restored when we exit, but isn't specific to any particular
80 * guest or vcpu. It also has some scratch fields used by the guest
83 struct kvmppc_host_state {
95 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
99 u8 ptid; /* thread number within subcore when split */
101 struct kvm_vcpu *kvm_vcpu;
102 struct kvmppc_vcore *kvm_vcore;
103 void __iomem *xics_phys;
104 void __iomem *xive_tima_phys;
105 void __iomem *xive_tima_virt;
108 u64 host_mmcr[7]; /* MMCR 0,1,A, SIAR, SDAR, MMCR2, SIER */
114 struct kvm_split_mode *kvm_split_mode;
116 #ifdef CONFIG_PPC_BOOK3S_64
123 struct kvmppc_book3s_shadow_vcpu {
137 #ifdef CONFIG_PPC_BOOK3S_32
138 u32 sr[16]; /* Guest SRs */
140 struct kvmppc_host_state hstate;
143 #ifdef CONFIG_PPC_BOOK3S_64
144 u8 slb_max; /* highest used guest slb entry */
148 } slb[64]; /* guest SLB */
153 #endif /*__ASSEMBLY__ */
155 /* Values for kvm_state */
156 #define KVM_HWTHREAD_IN_KERNEL 0
157 #define KVM_HWTHREAD_IN_IDLE 1
158 #define KVM_HWTHREAD_IN_KVM 2
160 #endif /* __ASM_KVM_BOOK3S_ASM_H__ */