diff options
| -rw-r--r-- | arch/powerpc/include/asm/kvm.h | 8 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm_book3s.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/kvm/book3s_pr.c | 14 | ||||
| -rw-r--r-- | arch/powerpc/kvm/powerpc.c | 1 | ||||
| -rw-r--r-- | include/linux/kvm.h | 1 |
5 files changed, 24 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h index a4f6c85..a6a253e 100644 --- a/arch/powerpc/include/asm/kvm.h +++ b/arch/powerpc/include/asm/kvm.h @@ -149,6 +149,12 @@ struct kvm_regs { #define KVM_SREGS_E_UPDATE_DBSR (1 << 3) /* + * Book3S special bits to indicate contents in the struct by maintaining + * backwards compatibility with older structs. If adding a new field, + * please make sure to add a flag for that new field */ +#define KVM_SREGS_S_HIOR (1 << 0) + +/* * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a * previous KVM_GET_REGS. * @@ -173,6 +179,8 @@ struct kvm_sregs { __u64 ibat[8]; __u64 dbat[8]; } ppc32; + __u64 flags; /* KVM_SREGS_S_ */ + __u64 hior; } s; struct { union { diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index 37dd748..472437b 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -90,6 +90,8 @@ struct kvmppc_vcpu_book3s { #endif int context_id[SID_CONTEXTS]; + bool hior_sregs; /* HIOR is set by SREGS, not PVR */ + struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE]; struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG]; struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE]; diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index 0c0d3f2..78dcf65 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -150,13 +150,15 @@ 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; } 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; } @@ -770,6 +772,9 @@ 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 +811,11 @@ 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; } diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index a107c9b..17a5c83 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -188,6 +188,7 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_PPC_BOOKE_SREGS: #else case KVM_CAP_PPC_SEGSTATE: + case KVM_CAP_PPC_HIOR: #endif case KVM_CAP_PPC_UNSET_IRQ: case KVM_CAP_PPC_IRQ_LEVEL: diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 2069798..490b041 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -554,6 +554,7 @@ struct kvm_ppc_pvinfo { #define KVM_CAP_PPC_SMT 64 #define KVM_CAP_PPC_RMA 65 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */ +#define KVM_CAP_PPC_HIOR 67 #define KVM_CAP_S390_GMAP 71 #ifdef KVM_CAP_IRQ_ROUTING |
