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163 lines
3.7 KiB
163 lines
3.7 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* |
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* Copyright SUSE Linux Products GmbH 2009 |
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* |
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* Authors: Alexander Graf <[email protected]> |
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*/ |
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#ifndef __ASM_KVM_BOOK3S_ASM_H__ |
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#define __ASM_KVM_BOOK3S_ASM_H__ |
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/* XICS ICP register offsets */ |
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#define XICS_XIRR 4 |
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#define XICS_MFRR 0xc |
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#define XICS_IPI 2 /* interrupt source # for IPIs */ |
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/* LPIDs we support with this build -- runtime limit may be lower */ |
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#define KVMPPC_NR_LPIDS (LPID_RSVD + 1) |
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/* Maximum number of threads per physical core */ |
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#define MAX_SMT_THREADS 8 |
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/* Maximum number of subcores per physical core */ |
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#define MAX_SUBCORES 4 |
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#ifdef __ASSEMBLY__ |
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#ifdef CONFIG_KVM_BOOK3S_HANDLER |
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#include <asm/kvm_asm.h> |
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.macro DO_KVM intno |
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.if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \ |
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(\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \ |
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(\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \ |
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(\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \ |
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(\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \ |
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(\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \ |
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(\intno == BOOK3S_INTERRUPT_EXTERNAL) || \ |
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(\intno == BOOK3S_INTERRUPT_EXTERNAL_HV) || \ |
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(\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \ |
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(\intno == BOOK3S_INTERRUPT_PROGRAM) || \ |
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(\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \ |
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(\intno == BOOK3S_INTERRUPT_DECREMENTER) || \ |
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(\intno == BOOK3S_INTERRUPT_SYSCALL) || \ |
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(\intno == BOOK3S_INTERRUPT_TRACE) || \ |
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(\intno == BOOK3S_INTERRUPT_PERFMON) || \ |
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(\intno == BOOK3S_INTERRUPT_ALTIVEC) || \ |
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(\intno == BOOK3S_INTERRUPT_VSX) |
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b kvmppc_trampoline_\intno |
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kvmppc_resume_\intno: |
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.endif |
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.endm |
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#else |
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.macro DO_KVM intno |
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.endm |
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#endif /* CONFIG_KVM_BOOK3S_HANDLER */ |
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#else /*__ASSEMBLY__ */ |
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struct kvmppc_vcore; |
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/* Struct used for coordinating micro-threading (split-core) mode changes */ |
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struct kvm_split_mode { |
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unsigned long rpr; |
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unsigned long pmmar; |
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unsigned long ldbar; |
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u8 subcore_size; |
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u8 do_nap; |
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u8 napped[MAX_SMT_THREADS]; |
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struct kvmppc_vcore *vc[MAX_SUBCORES]; |
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}; |
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/* |
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* This struct goes in the PACA on 64-bit processors. It is used |
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* to store host state that needs to be saved when we enter a guest |
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* and restored when we exit, but isn't specific to any particular |
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* guest or vcpu. It also has some scratch fields used by the guest |
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* exit code. |
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*/ |
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struct kvmppc_host_state { |
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ulong host_r1; |
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ulong host_r2; |
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ulong host_msr; |
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ulong vmhandler; |
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ulong scratch0; |
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ulong scratch1; |
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ulong scratch2; |
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u8 in_guest; |
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u8 restore_hid5; |
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u8 napping; |
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#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE |
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u8 hwthread_req; |
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u8 hwthread_state; |
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u8 host_ipi; |
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u8 ptid; /* thread number within subcore when split */ |
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u8 fake_suspend; |
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struct kvm_vcpu *kvm_vcpu; |
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struct kvmppc_vcore *kvm_vcore; |
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void __iomem *xics_phys; |
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void __iomem *xive_tima_phys; |
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void __iomem *xive_tima_virt; |
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u32 saved_xirr; |
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u64 dabr; |
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u64 host_mmcr[10]; /* MMCR 0,1,A, SIAR, SDAR, MMCR2, SIER, MMCR3, SIER2/3 */ |
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u32 host_pmc[8]; |
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u64 host_purr; |
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u64 host_spurr; |
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u64 host_dscr; |
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u64 dec_expires; |
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struct kvm_split_mode *kvm_split_mode; |
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#endif |
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#ifdef CONFIG_PPC_BOOK3S_64 |
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u64 cfar; |
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u64 ppr; |
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u64 host_fscr; |
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#endif |
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}; |
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struct kvmppc_book3s_shadow_vcpu { |
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bool in_use; |
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ulong gpr[14]; |
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u32 cr; |
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ulong xer; |
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ulong ctr; |
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ulong lr; |
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ulong pc; |
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ulong shadow_srr1; |
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ulong fault_dar; |
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u32 fault_dsisr; |
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u32 last_inst; |
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#ifdef CONFIG_PPC_BOOK3S_32 |
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u32 sr[16]; /* Guest SRs */ |
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struct kvmppc_host_state hstate; |
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#endif |
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#ifdef CONFIG_PPC_BOOK3S_64 |
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u8 slb_max; /* highest used guest slb entry */ |
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struct { |
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u64 esid; |
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u64 vsid; |
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} slb[64]; /* guest SLB */ |
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u64 shadow_fscr; |
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#endif |
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}; |
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#endif /*__ASSEMBLY__ */ |
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/* Values for kvm_state */ |
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#define KVM_HWTHREAD_IN_KERNEL 0 |
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#define KVM_HWTHREAD_IN_IDLE 1 |
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#define KVM_HWTHREAD_IN_KVM 2 |
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#endif /* __ASM_KVM_BOOK3S_ASM_H__ */
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