diff options
Diffstat (limited to 'arch/powerpc/kvm/powerpc.c')
| -rw-r--r-- | arch/powerpc/kvm/powerpc.c | 78 |
1 files changed, 68 insertions, 10 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 616dd516ca1f..a107c9be0fb1 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -30,6 +30,7 @@ #include <asm/uaccess.h> #include <asm/kvm_ppc.h> #include <asm/tlbflush.h> +#include <asm/cputhreads.h> #include "timing.h" #include "../mm/mmu_decl.h" @@ -38,8 +39,12 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *v) { +#ifndef CONFIG_KVM_BOOK3S_64_HV return !(v->arch.shared->msr & MSR_WE) || !!(v->arch.pending_exceptions); +#else + return !(v->arch.ceded) || !!(v->arch.pending_exceptions); +#endif } int kvmppc_kvm_pv(struct kvm_vcpu *vcpu) @@ -73,7 +78,8 @@ int kvmppc_kvm_pv(struct kvm_vcpu *vcpu) } case HC_VENDOR_KVM | KVM_HC_FEATURES: r = HC_EV_SUCCESS; -#if defined(CONFIG_PPC_BOOK3S) /* XXX Missing magic page on BookE */ +#if defined(CONFIG_PPC_BOOK3S) || defined(CONFIG_KVM_E500) + /* XXX Missing magic page on 44x */ r2 |= (1 << KVM_FEATURE_MAGIC_PAGE); #endif @@ -147,7 +153,7 @@ void kvm_arch_check_processor_compat(void *rtn) int kvm_arch_init_vm(struct kvm *kvm) { - return 0; + return kvmppc_core_init_vm(kvm); } void kvm_arch_destroy_vm(struct kvm *kvm) @@ -163,6 +169,9 @@ void kvm_arch_destroy_vm(struct kvm *kvm) kvm->vcpus[i] = NULL; atomic_set(&kvm->online_vcpus, 0); + + kvmppc_core_destroy_vm(kvm); + mutex_unlock(&kvm->lock); } @@ -180,10 +189,13 @@ int kvm_dev_ioctl_check_extension(long ext) #else case KVM_CAP_PPC_SEGSTATE: #endif - case KVM_CAP_PPC_PAIRED_SINGLES: case KVM_CAP_PPC_UNSET_IRQ: case KVM_CAP_PPC_IRQ_LEVEL: case KVM_CAP_ENABLE_CAP: + r = 1; + break; +#ifndef CONFIG_KVM_BOOK3S_64_HV + case KVM_CAP_PPC_PAIRED_SINGLES: case KVM_CAP_PPC_OSI: case KVM_CAP_PPC_GET_PVINFO: r = 1; @@ -191,6 +203,21 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_COALESCED_MMIO: r = KVM_COALESCED_MMIO_PAGE_OFFSET; break; +#endif +#ifdef CONFIG_KVM_BOOK3S_64_HV + case KVM_CAP_SPAPR_TCE: + r = 1; + break; + case KVM_CAP_PPC_SMT: + r = threads_per_core; + break; + case KVM_CAP_PPC_RMA: + r = 1; + /* PPC970 requires an RMA */ + if (cpu_has_feature(CPU_FTR_ARCH_201)) + r = 2; + break; +#endif default: r = 0; break; @@ -211,7 +238,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm, struct kvm_userspace_memory_region *mem, int user_alloc) { - return 0; + return kvmppc_core_prepare_memory_region(kvm, mem); } void kvm_arch_commit_memory_region(struct kvm *kvm, @@ -219,7 +246,7 @@ void kvm_arch_commit_memory_region(struct kvm *kvm, struct kvm_memory_slot old, int user_alloc) { - return; + kvmppc_core_commit_memory_region(kvm, mem); } @@ -287,6 +314,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) hrtimer_init(&vcpu->arch.dec_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS); tasklet_init(&vcpu->arch.tasklet, kvmppc_decrementer_func, (ulong)vcpu); vcpu->arch.dec_timer.function = kvmppc_decrementer_wakeup; + vcpu->arch.dec_expires = ~(u64)0; #ifdef CONFIG_KVM_EXIT_TIMING mutex_init(&vcpu->arch.exit_timing_lock); @@ -313,6 +341,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) mtspr(SPRN_VRSAVE, vcpu->arch.vrsave); #endif kvmppc_core_vcpu_load(vcpu, cpu); + vcpu->cpu = smp_processor_id(); } void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) @@ -321,6 +350,7 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) #ifdef CONFIG_BOOKE vcpu->arch.vrsave = mfspr(SPRN_VRSAVE); #endif + vcpu->cpu = -1; } int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, @@ -492,15 +522,18 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) for (i = 0; i < 32; i++) kvmppc_set_gpr(vcpu, i, gprs[i]); vcpu->arch.osi_needed = 0; + } else if (vcpu->arch.hcall_needed) { + int i; + + kvmppc_set_gpr(vcpu, 3, run->papr_hcall.ret); + for (i = 0; i < 9; ++i) + kvmppc_set_gpr(vcpu, 4 + i, run->papr_hcall.args[i]); + vcpu->arch.hcall_needed = 0; } kvmppc_core_deliver_interrupts(vcpu); - local_irq_disable(); - kvm_guest_enter(); - r = __kvmppc_vcpu_run(run, vcpu); - kvm_guest_exit(); - local_irq_enable(); + r = kvmppc_vcpu_run(run, vcpu); if (vcpu->sigset_active) sigprocmask(SIG_SETMASK, &sigsaved, NULL); @@ -518,6 +551,8 @@ int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq) if (waitqueue_active(&vcpu->wq)) { wake_up_interruptible(&vcpu->wq); vcpu->stat.halt_wakeup++; + } else if (vcpu->cpu != -1) { + smp_send_reschedule(vcpu->cpu); } return 0; @@ -633,6 +668,29 @@ long kvm_arch_vm_ioctl(struct file *filp, break; } +#ifdef CONFIG_KVM_BOOK3S_64_HV + case KVM_CREATE_SPAPR_TCE: { + struct kvm_create_spapr_tce create_tce; + struct kvm *kvm = filp->private_data; + + r = -EFAULT; + if (copy_from_user(&create_tce, argp, sizeof(create_tce))) + goto out; + r = kvm_vm_ioctl_create_spapr_tce(kvm, &create_tce); + goto out; + } + + case KVM_ALLOCATE_RMA: { + struct kvm *kvm = filp->private_data; + struct kvm_allocate_rma rma; + + r = kvm_vm_ioctl_allocate_rma(kvm, &rma); + if (r >= 0 && copy_to_user(argp, &rma, sizeof(rma))) + r = -EFAULT; + break; + } +#endif /* CONFIG_KVM_BOOK3S_64_HV */ + default: r = -ENOTTY; } |