| /* |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License, version 2, as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| * |
| * Copyright SUSE Linux Products GmbH 2009 |
| * |
| * Authors: Alexander Graf <agraf@suse.de> |
| */ |
| |
| #ifndef __ASM_KVM_BOOK3S_ASM_H__ |
| #define __ASM_KVM_BOOK3S_ASM_H__ |
| |
| #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__ */ |
| |
| /* |
| * 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; |
| u8 in_guest; |
| u8 restore_hid5; |
| u8 napping; |
| |
| #ifdef CONFIG_KVM_BOOK3S_64_HV |
| u8 hwthread_req; |
| u8 hwthread_state; |
| |
| struct kvm_vcpu *kvm_vcpu; |
| struct kvmppc_vcore *kvm_vcore; |
| unsigned long xics_phys; |
| u64 dabr; |
| u64 host_mmcr[3]; |
| u32 host_pmc[8]; |
| u64 host_purr; |
| u64 host_spurr; |
| u64 host_dscr; |
| u64 dec_expires; |
| #endif |
| #ifdef CONFIG_PPC_BOOK3S_64 |
| u64 cfar; |
| #endif |
| }; |
| |
| struct kvmppc_book3s_shadow_vcpu { |
| ulong gpr[14]; |
| u32 cr; |
| u32 xer; |
| |
| u32 fault_dsisr; |
| u32 last_inst; |
| ulong ctr; |
| ulong lr; |
| ulong pc; |
| ulong shadow_srr1; |
| ulong fault_dar; |
| |
| #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 */ |
| #endif |
| }; |
| |
| #endif /*__ASSEMBLY__ */ |
| |
| /* Values for kvm_state */ |
| #define KVM_HWTHREAD_IN_KERNEL 0 |
| #define KVM_HWTHREAD_IN_NAP 1 |
| #define KVM_HWTHREAD_IN_KVM 2 |
| |
| #endif /* __ASM_KVM_BOOK3S_ASM_H__ */ |