1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright SUSE Linux Products GmbH 2009 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Authors: Alexander Graf <agraf@suse.de> 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef __ASM_KVM_BOOK3S_ASM_H__ 10*4882a593Smuzhiyun #define __ASM_KVM_BOOK3S_ASM_H__ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /* XICS ICP register offsets */ 13*4882a593Smuzhiyun #define XICS_XIRR 4 14*4882a593Smuzhiyun #define XICS_MFRR 0xc 15*4882a593Smuzhiyun #define XICS_IPI 2 /* interrupt source # for IPIs */ 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun /* LPIDs we support with this build -- runtime limit may be lower */ 18*4882a593Smuzhiyun #define KVMPPC_NR_LPIDS (LPID_RSVD + 1) 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun /* Maximum number of threads per physical core */ 21*4882a593Smuzhiyun #define MAX_SMT_THREADS 8 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun /* Maximum number of subcores per physical core */ 24*4882a593Smuzhiyun #define MAX_SUBCORES 4 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #ifdef __ASSEMBLY__ 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun #ifdef CONFIG_KVM_BOOK3S_HANDLER 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #include <asm/kvm_asm.h> 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun .macro DO_KVM intno 33*4882a593Smuzhiyun .if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \ 34*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \ 35*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \ 36*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \ 37*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \ 38*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \ 39*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_EXTERNAL) || \ 40*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_EXTERNAL_HV) || \ 41*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \ 42*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_PROGRAM) || \ 43*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \ 44*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_DECREMENTER) || \ 45*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_SYSCALL) || \ 46*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_TRACE) || \ 47*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_PERFMON) || \ 48*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_ALTIVEC) || \ 49*4882a593Smuzhiyun (\intno == BOOK3S_INTERRUPT_VSX) 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun b kvmppc_trampoline_\intno 52*4882a593Smuzhiyun kvmppc_resume_\intno: 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun .endif 55*4882a593Smuzhiyun .endm 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun #else 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun .macro DO_KVM intno 60*4882a593Smuzhiyun .endm 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun #endif /* CONFIG_KVM_BOOK3S_HANDLER */ 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun #else /*__ASSEMBLY__ */ 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun struct kvmppc_vcore; 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun /* Struct used for coordinating micro-threading (split-core) mode changes */ 69*4882a593Smuzhiyun struct kvm_split_mode { 70*4882a593Smuzhiyun unsigned long rpr; 71*4882a593Smuzhiyun unsigned long pmmar; 72*4882a593Smuzhiyun unsigned long ldbar; 73*4882a593Smuzhiyun u8 subcore_size; 74*4882a593Smuzhiyun u8 do_nap; 75*4882a593Smuzhiyun u8 napped[MAX_SMT_THREADS]; 76*4882a593Smuzhiyun struct kvmppc_vcore *vc[MAX_SUBCORES]; 77*4882a593Smuzhiyun /* Bits for changing lpcr on P9 */ 78*4882a593Smuzhiyun unsigned long lpcr_req; 79*4882a593Smuzhiyun unsigned long lpidr_req; 80*4882a593Smuzhiyun unsigned long host_lpcr; 81*4882a593Smuzhiyun u32 do_set; 82*4882a593Smuzhiyun u32 do_restore; 83*4882a593Smuzhiyun union { 84*4882a593Smuzhiyun u32 allphases; 85*4882a593Smuzhiyun u8 phase[4]; 86*4882a593Smuzhiyun } lpcr_sync; 87*4882a593Smuzhiyun }; 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun /* 90*4882a593Smuzhiyun * This struct goes in the PACA on 64-bit processors. It is used 91*4882a593Smuzhiyun * to store host state that needs to be saved when we enter a guest 92*4882a593Smuzhiyun * and restored when we exit, but isn't specific to any particular 93*4882a593Smuzhiyun * guest or vcpu. It also has some scratch fields used by the guest 94*4882a593Smuzhiyun * exit code. 95*4882a593Smuzhiyun */ 96*4882a593Smuzhiyun struct kvmppc_host_state { 97*4882a593Smuzhiyun ulong host_r1; 98*4882a593Smuzhiyun ulong host_r2; 99*4882a593Smuzhiyun ulong host_msr; 100*4882a593Smuzhiyun ulong vmhandler; 101*4882a593Smuzhiyun ulong scratch0; 102*4882a593Smuzhiyun ulong scratch1; 103*4882a593Smuzhiyun ulong scratch2; 104*4882a593Smuzhiyun u8 in_guest; 105*4882a593Smuzhiyun u8 restore_hid5; 106*4882a593Smuzhiyun u8 napping; 107*4882a593Smuzhiyun 108*4882a593Smuzhiyun #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE 109*4882a593Smuzhiyun u8 hwthread_req; 110*4882a593Smuzhiyun u8 hwthread_state; 111*4882a593Smuzhiyun u8 host_ipi; 112*4882a593Smuzhiyun u8 ptid; /* thread number within subcore when split */ 113*4882a593Smuzhiyun u8 tid; /* thread number within whole core */ 114*4882a593Smuzhiyun u8 fake_suspend; 115*4882a593Smuzhiyun struct kvm_vcpu *kvm_vcpu; 116*4882a593Smuzhiyun struct kvmppc_vcore *kvm_vcore; 117*4882a593Smuzhiyun void __iomem *xics_phys; 118*4882a593Smuzhiyun void __iomem *xive_tima_phys; 119*4882a593Smuzhiyun void __iomem *xive_tima_virt; 120*4882a593Smuzhiyun u32 saved_xirr; 121*4882a593Smuzhiyun u64 dabr; 122*4882a593Smuzhiyun u64 host_mmcr[10]; /* MMCR 0,1,A, SIAR, SDAR, MMCR2, SIER, MMCR3, SIER2/3 */ 123*4882a593Smuzhiyun u32 host_pmc[8]; 124*4882a593Smuzhiyun u64 host_purr; 125*4882a593Smuzhiyun u64 host_spurr; 126*4882a593Smuzhiyun u64 host_dscr; 127*4882a593Smuzhiyun u64 dec_expires; 128*4882a593Smuzhiyun struct kvm_split_mode *kvm_split_mode; 129*4882a593Smuzhiyun #endif 130*4882a593Smuzhiyun #ifdef CONFIG_PPC_BOOK3S_64 131*4882a593Smuzhiyun u64 cfar; 132*4882a593Smuzhiyun u64 ppr; 133*4882a593Smuzhiyun u64 host_fscr; 134*4882a593Smuzhiyun #endif 135*4882a593Smuzhiyun }; 136*4882a593Smuzhiyun 137*4882a593Smuzhiyun struct kvmppc_book3s_shadow_vcpu { 138*4882a593Smuzhiyun bool in_use; 139*4882a593Smuzhiyun ulong gpr[14]; 140*4882a593Smuzhiyun u32 cr; 141*4882a593Smuzhiyun ulong xer; 142*4882a593Smuzhiyun ulong ctr; 143*4882a593Smuzhiyun ulong lr; 144*4882a593Smuzhiyun ulong pc; 145*4882a593Smuzhiyun 146*4882a593Smuzhiyun ulong shadow_srr1; 147*4882a593Smuzhiyun ulong fault_dar; 148*4882a593Smuzhiyun u32 fault_dsisr; 149*4882a593Smuzhiyun u32 last_inst; 150*4882a593Smuzhiyun 151*4882a593Smuzhiyun #ifdef CONFIG_PPC_BOOK3S_32 152*4882a593Smuzhiyun u32 sr[16]; /* Guest SRs */ 153*4882a593Smuzhiyun 154*4882a593Smuzhiyun struct kvmppc_host_state hstate; 155*4882a593Smuzhiyun #endif 156*4882a593Smuzhiyun 157*4882a593Smuzhiyun #ifdef CONFIG_PPC_BOOK3S_64 158*4882a593Smuzhiyun u8 slb_max; /* highest used guest slb entry */ 159*4882a593Smuzhiyun struct { 160*4882a593Smuzhiyun u64 esid; 161*4882a593Smuzhiyun u64 vsid; 162*4882a593Smuzhiyun } slb[64]; /* guest SLB */ 163*4882a593Smuzhiyun u64 shadow_fscr; 164*4882a593Smuzhiyun #endif 165*4882a593Smuzhiyun }; 166*4882a593Smuzhiyun 167*4882a593Smuzhiyun #endif /*__ASSEMBLY__ */ 168*4882a593Smuzhiyun 169*4882a593Smuzhiyun /* Values for kvm_state */ 170*4882a593Smuzhiyun #define KVM_HWTHREAD_IN_KERNEL 0 171*4882a593Smuzhiyun #define KVM_HWTHREAD_IN_IDLE 1 172*4882a593Smuzhiyun #define KVM_HWTHREAD_IN_KVM 2 173*4882a593Smuzhiyun 174*4882a593Smuzhiyun #endif /* __ASM_KVM_BOOK3S_ASM_H__ */ 175