name : kvm_book3s_asm.h /* SPDX-License-Identifier: GPL-2.0-only */ /* * * Copyright SUSE Linux Products GmbH 2009 * * Authors: Alexander Graf <agraf@suse.de> */ #ifndef __ASM_KVM_BOOK3S_ASM_H__ #define __ASM_KVM_BOOK3S_ASM_H__ /* XICS ICP register offsets */ #define XICS_XIRR 4 #define XICS_MFRR 0xc #define XICS_IPI 2 /* interrupt source # for IPIs */ /* Maximum number of threads per physical core */ #define MAX_SMT_THREADS 8 /* Maximum number of subcores per physical core */ #define MAX_SUBCORES 4 #ifdef __ASSEMBLY__ #ifdef CONFIG_KVM_BOOK3S_HANDLER #include <asm/kvm_asm.h> .macro DO_KVM intno .if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \ (\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \ (\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \ (\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \ (\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \ (\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \ (\intno == BOOK3S_INTERRUPT_EXTERNAL) || \ (\intno == BOOK3S_INTERRUPT_EXTERNAL_HV) || \ (\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \ (\intno == BOOK3S_INTERRUPT_PROGRAM) || \ (\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \ (\intno == BOOK3S_INTERRUPT_DECREMENTER) || \ (\intno == BOOK3S_INTERRUPT_SYSCALL) || \ (\intno == BOOK3S_INTERRUPT_TRACE) || \ (\intno == BOOK3S_INTERRUPT_PERFMON) || \ (\intno == BOOK3S_INTERRUPT_ALTIVEC) || \ (\intno == BOOK3S_INTERRUPT_VSX) b kvmppc_trampoline_\intno kvmppc_resume_\intno: .endif .endm #else .macro DO_KVM intno .endm #endif /* CONFIG_KVM_BOOK3S_HANDLER */ #else /*__ASSEMBLY__ */ struct kvmppc_vcore; /* Struct used for coordinating micro-threading (split-core) mode changes */ struct kvm_split_mode { unsigned long rpr; unsigned long pmmar; unsigned long ldbar; u8 subcore_size; u8 do_nap; u8 napped[MAX_SMT_THREADS]; struct kvmppc_vcore *vc[MAX_SUBCORES]; }; /* * This struct goes in the PACA on 64-bit processors. It is used * to store host state that needs to be saved when we enter a guest * and restored when we exit, but isn't specific to any particular * guest or vcpu. It also has some scratch fields used by the guest * exit code. */ struct kvmppc_host_state { ulong host_r1; ulong host_r2; ulong host_msr; ulong vmhandler; ulong scratch0; ulong scratch1; ulong scratch2; u8 in_guest; u8 restore_hid5; u8 napping; #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE u8 hwthread_req; u8 hwthread_state; u8 host_ipi; u8 ptid; /* thread number within subcore when split */ u8 fake_suspend; struct kvm_vcpu *kvm_vcpu; struct kvmppc_vcore *kvm_vcore; void __iomem *xics_phys; void __iomem *xive_tima_phys; void __iomem *xive_tima_virt; u32 saved_xirr; u64 dabr; u64 host_mmcr[7]; /* MMCR 0,1,A, SIAR, SDAR, MMCR2, SIER */ u32 host_pmc[8]; u64 host_purr; u64 host_spurr; u64 host_dscr; u64 dec_expires; struct kvm_split_mode *kvm_split_mode; #endif #ifdef CONFIG_PPC_BOOK3S_64 u64 cfar; u64 ppr; u64 host_fscr; #endif }; struct kvmppc_book3s_shadow_vcpu { bool in_use; ulong gpr[14]; u32 cr; ulong xer; ulong ctr; ulong lr; ulong pc; ulong shadow_srr1; ulong fault_dar; u32 fault_dsisr; u32 last_inst; #ifdef CONFIG_PPC_BOOK3S_32 u32 sr[16]; /* Guest SRs */ struct kvmppc_host_state hstate; #endif #ifdef CONFIG_PPC_BOOK3S_64 u8 slb_max; /* highest used guest slb entry */ struct { u64 esid; u64 vsid; } slb[64]; /* guest SLB */ u64 shadow_fscr; #endif }; #endif /*__ASSEMBLY__ */ /* Values for kvm_state */ #define KVM_HWTHREAD_IN_KERNEL 0 #define KVM_HWTHREAD_IN_IDLE 1 #define KVM_HWTHREAD_IN_KVM 2 #endif /* __ASM_KVM_BOOK3S_ASM_H__ */