diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index f52f65694527..0689091f9505 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -83,6 +83,7 @@ struct kvmppc_vcpu_book3s { u64 sdr1; u64 hior; u64 msr_mask; + u64 vtb; u64 purr_offset; u64 spurr_offset; #ifdef CONFIG_PPC_BOOK3S_32 diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index bb66d8b8efdf..2149dbcf8931 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -305,6 +305,7 @@ struct kvmppc_vcore { u32 arch_compat; ulong pcr; ulong dpdes; /* doorbell state (POWER8) */ + ulong vtb; /* virtual timebase */ }; #define VCORE_ENTRY_COUNT(vc) ((vc)->entry_exit_count & 0xff) @@ -462,7 +463,6 @@ struct kvm_vcpu_arch { ulong purr; ulong spurr; ulong ic; - ulong vtb; ulong dscr; ulong amr; ulong uamor; diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index f5995a912213..88abea889876 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -506,7 +506,6 @@ int main(void) DEFINE(VCPU_PURR, offsetof(struct kvm_vcpu, arch.purr)); DEFINE(VCPU_SPURR, offsetof(struct kvm_vcpu, arch.spurr)); DEFINE(VCPU_IC, offsetof(struct kvm_vcpu, arch.ic)); - DEFINE(VCPU_VTB, offsetof(struct kvm_vcpu, arch.vtb)); DEFINE(VCPU_DSCR, offsetof(struct kvm_vcpu, arch.dscr)); DEFINE(VCPU_AMR, offsetof(struct kvm_vcpu, arch.amr)); DEFINE(VCPU_UAMOR, offsetof(struct kvm_vcpu, arch.uamor)); @@ -560,6 +559,7 @@ int main(void) DEFINE(VCORE_LPCR, offsetof(struct kvmppc_vcore, lpcr)); DEFINE(VCORE_PCR, offsetof(struct kvmppc_vcore, pcr)); DEFINE(VCORE_DPDES, offsetof(struct kvmppc_vcore, dpdes)); + DEFINE(VCORE_VTB, offsetof(struct kvmppc_vcore, vtb)); DEFINE(VCPU_SLB_E, offsetof(struct kvmppc_slb, orige)); DEFINE(VCPU_SLB_V, offsetof(struct kvmppc_slb, origv)); DEFINE(VCPU_SLB_SIZE, sizeof(struct kvmppc_slb)); diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 89d4ebd8152b..a416b6bb0d6a 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -909,7 +909,7 @@ static int kvmppc_get_one_reg_hv(struct kvm_vcpu *vcpu, u64 id, *val = get_reg_val(id, vcpu->arch.ic); break; case KVM_REG_PPC_VTB: - *val = get_reg_val(id, vcpu->arch.vtb); + *val = get_reg_val(id, vcpu->arch.vcore->vtb); break; case KVM_REG_PPC_CSIGR: *val = get_reg_val(id, vcpu->arch.csigr); @@ -1110,7 +1110,7 @@ static int kvmppc_set_one_reg_hv(struct kvm_vcpu *vcpu, u64 id, vcpu->arch.ic = set_reg_val(id, *val); break; case KVM_REG_PPC_VTB: - vcpu->arch.vtb = set_reg_val(id, *val); + vcpu->arch.vcore->vtb = set_reg_val(id, *val); break; case KVM_REG_PPC_CSIGR: vcpu->arch.csigr = set_reg_val(id, *val); diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 2f0c1394efa8..ab69a5f242d1 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -457,9 +457,11 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_ARCH_207S) 38: BEGIN_FTR_SECTION - /* DPDES is shared between threads */ + /* DPDES and VTB are shared between threads */ ld r8, VCORE_DPDES(r5) + ld r7, VCORE_VTB(r5) mtspr SPRN_DPDES, r8 + mtspr SPRN_VTB, r7 END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) li r0,1 @@ -736,10 +738,8 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S) mtspr SPRN_CIABR, r7 mtspr SPRN_TAR, r8 ld r5, VCPU_IC(r4) - ld r6, VCPU_VTB(r4) - mtspr SPRN_IC, r5 - mtspr SPRN_VTB, r6 ld r8, VCPU_EBBHR(r4) + mtspr SPRN_IC, r5 mtspr SPRN_EBBHR, r8 ld r5, VCPU_EBBRR(r4) ld r6, VCPU_BESCR(r4) @@ -1147,10 +1147,8 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S) stw r6, VCPU_PSPB(r9) std r7, VCPU_FSCR(r9) mfspr r5, SPRN_IC - mfspr r6, SPRN_VTB mfspr r7, SPRN_TAR std r5, VCPU_IC(r9) - std r6, VCPU_VTB(r9) std r7, VCPU_TAR(r9) mfspr r8, SPRN_EBBHR std r8, VCPU_EBBHR(r9) @@ -1442,9 +1440,11 @@ secondary_too_late: isync BEGIN_FTR_SECTION - /* DPDES is shared between threads */ + /* DPDES and VTB are shared between threads */ mfspr r7, SPRN_DPDES + mfspr r8, SPRN_VTB std r7, VCORE_DPDES(r5) + std r8, VCORE_VTB(r5) /* clear DPDES so we don't get guest doorbells in the host */ li r8, 0 mtspr SPRN_DPDES, r8 diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index 66b7afec250f..e587264c2e8c 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -1232,6 +1232,9 @@ static int kvmppc_get_one_reg_pr(struct kvm_vcpu *vcpu, u64 id, case KVM_REG_PPC_HIOR: *val = get_reg_val(id, to_book3s(vcpu)->hior); break; + case KVM_REG_PPC_VTB: + *val = get_reg_val(id, to_book3s(vcpu)->vtb); + break; case KVM_REG_PPC_LPCR: case KVM_REG_PPC_LPCR_64: /* @@ -1268,6 +1271,9 @@ static int kvmppc_set_one_reg_pr(struct kvm_vcpu *vcpu, u64 id, to_book3s(vcpu)->hior = set_reg_val(id, *val); to_book3s(vcpu)->hior_explicit = true; break; + case KVM_REG_PPC_VTB: + to_book3s(vcpu)->vtb = set_reg_val(id, *val); + break; case KVM_REG_PPC_LPCR: case KVM_REG_PPC_LPCR_64: kvmppc_set_lpcr_pr(vcpu, set_reg_val(id, *val));