diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_pr.c')
-rw-r--r-- | arch/powerpc/kvm/book3s_pr.c | 58 |
1 files changed, 43 insertions, 15 deletions
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index 0c0d3f2..d417511 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -150,16 +150,22 @@ void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr) #ifdef CONFIG_PPC_BOOK3S_64 if ((pvr >= 0x330000) && (pvr < 0x70330000)) { kvmppc_mmu_book3s_64_init(vcpu); - to_book3s(vcpu)->hior = 0xfff00000; + if (!to_book3s(vcpu)->hior_sregs) + to_book3s(vcpu)->hior = 0xfff00000; to_book3s(vcpu)->msr_mask = 0xffffffffffffffffULL; + vcpu->arch.cpu_type = KVM_CPU_3S_64; } else #endif { kvmppc_mmu_book3s_32_init(vcpu); - to_book3s(vcpu)->hior = 0; + if (!to_book3s(vcpu)->hior_sregs) + to_book3s(vcpu)->hior = 0; to_book3s(vcpu)->msr_mask = 0xffffffffULL; + vcpu->arch.cpu_type = KVM_CPU_3S_32; } + kvmppc_sanity_check(vcpu); + /* If we are in hypervisor level on 970, we can tell the CPU to * treat DCBZ as 32 bytes store */ vcpu->arch.hflags &= ~BOOK3S_HFLAG_DCBZ32; @@ -646,7 +652,27 @@ program_interrupt: break; } case BOOK3S_INTERRUPT_SYSCALL: - if (vcpu->arch.osi_enabled && + if (vcpu->arch.papr_enabled && + (kvmppc_get_last_inst(vcpu) == 0x44000022) && + !(vcpu->arch.shared->msr & MSR_PR)) { + /* SC 1 papr hypercalls */ + ulong cmd = kvmppc_get_gpr(vcpu, 3); + int i; + + if (kvmppc_h_pr(vcpu, cmd) == EMULATE_DONE) { + r = RESUME_GUEST; + break; + } + + run->papr_hcall.nr = cmd; + for (i = 0; i < 9; ++i) { + ulong gpr = kvmppc_get_gpr(vcpu, 4 + i); + run->papr_hcall.args[i] = gpr; + } + run->exit_reason = KVM_EXIT_PAPR_HCALL; + vcpu->arch.hcall_needed = 1; + r = RESUME_HOST; + } else if (vcpu->arch.osi_enabled && (((u32)kvmppc_get_gpr(vcpu, 3)) == OSI_SC_MAGIC_R3) && (((u32)kvmppc_get_gpr(vcpu, 4)) == OSI_SC_MAGIC_R4)) { /* MOL hypercalls */ @@ -770,6 +796,9 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, } } + if (sregs->u.s.flags & KVM_SREGS_S_HIOR) + sregs->u.s.hior = to_book3s(vcpu)->hior; + return 0; } @@ -806,6 +835,11 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, /* Flush the MMU after messing with the segments */ kvmppc_mmu_pte_flush(vcpu, 0, 0); + if (sregs->u.s.flags & KVM_SREGS_S_HIOR) { + to_book3s(vcpu)->hior_sregs = true; + to_book3s(vcpu)->hior = sregs->u.s.hior; + } + return 0; } @@ -841,8 +875,6 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) if (!p) goto uninit_vcpu; - vcpu->arch.host_retip = kvm_return_point; - vcpu->arch.host_msr = mfmsr(); #ifdef CONFIG_PPC_BOOK3S_64 /* default to book3s_64 (970fx) */ vcpu->arch.pvr = 0x3C0301; @@ -853,16 +885,6 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id) kvmppc_set_pvr(vcpu, vcpu->arch.pvr); vcpu->arch.slb_nr = 64; - /* remember where some real-mode handlers are */ - vcpu->arch.trampoline_lowmem = __pa(kvmppc_handler_lowmem_trampoline); - vcpu->arch.trampoline_enter = __pa(kvmppc_handler_trampoline_enter); - vcpu->arch.highmem_handler = (ulong)kvmppc_handler_highmem; -#ifdef CONFIG_PPC_BOOK3S_64 - vcpu->arch.rmcall = *(ulong*)kvmppc_rmcall; -#else - vcpu->arch.rmcall = (ulong)kvmppc_rmcall; -#endif - vcpu->arch.shadow_msr = MSR_USER64; err = kvmppc_mmu_init(vcpu); @@ -908,6 +930,12 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) #endif ulong ext_msr; + /* Check if we can run the vcpu at all */ + if (!vcpu->arch.sane) { + kvm_run->exit_reason = KVM_EXIT_INTERNAL_ERROR; + return -EINVAL; + } + /* No need to go into the guest when all we do is going out */ if (signal_pending(current)) { kvm_run->exit_reason = KVM_EXIT_INTR; |