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-rw-r--r--arch/powerpc/kvm/book3s.c44
-rw-r--r--arch/powerpc/kvm/book3s_hv.c1
-rw-r--r--arch/powerpc/kvm/book3s_pr.c1
-rw-r--r--arch/powerpc/kvm/book3s_xics.c2
-rw-r--r--arch/powerpc/kvm/powerpc.c54
5 files changed, 76 insertions, 26 deletions
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 784a1d5ccb04..493aff77f84e 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -69,6 +69,50 @@ void kvmppc_core_load_guest_debugstate(struct kvm_vcpu *vcpu)
{
}
+static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu)
+{
+ if (!kvmppc_ops->is_hv_enabled)
+ return to_book3s(vcpu)->hior;
+ return 0;
+}
+
+static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu,
+ unsigned long pending_now, unsigned long old_pending)
+{
+ if (kvmppc_ops->is_hv_enabled)
+ return;
+ if (pending_now)
+ vcpu->arch.shared->int_pending = 1;
+ else if (old_pending)
+ vcpu->arch.shared->int_pending = 0;
+}
+
+static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
+{
+ ulong crit_raw;
+ ulong crit_r1;
+ bool crit;
+
+ if (kvmppc_ops->is_hv_enabled)
+ return false;
+
+ crit_raw = vcpu->arch.shared->critical;
+ crit_r1 = kvmppc_get_gpr(vcpu, 1);
+
+ /* Truncate crit indicators in 32 bit mode */
+ if (!(vcpu->arch.shared->msr & MSR_SF)) {
+ crit_raw &= 0xffffffff;
+ crit_r1 &= 0xffffffff;
+ }
+
+ /* Critical section when crit == r1 */
+ crit = (crit_raw == crit_r1);
+ /* ... and we're in supervisor mode */
+ crit = crit && !(vcpu->arch.shared->msr & MSR_PR);
+
+ return crit;
+}
+
void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags)
{
vcpu->arch.shared->srr0 = kvmppc_get_pc(vcpu);
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 3d7079a08d2a..0782c8688c8b 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -2159,6 +2159,7 @@ static long kvm_arch_vm_ioctl_hv(struct file *filp,
}
static struct kvmppc_ops kvmppc_hv_ops = {
+ .is_hv_enabled = true,
.get_sregs = kvm_arch_vcpu_ioctl_get_sregs_hv,
.set_sregs = kvm_arch_vcpu_ioctl_set_sregs_hv,
.get_one_reg = kvmppc_get_one_reg_hv,
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 05d28cf4a06c..b6a525d7b5c3 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -1523,6 +1523,7 @@ static long kvm_arch_vm_ioctl_pr(struct file *filp,
}
static struct kvmppc_ops kvmppc_pr_ops = {
+ .is_hv_enabled = false,
.get_sregs = kvm_arch_vcpu_ioctl_get_sregs_pr,
.set_sregs = kvm_arch_vcpu_ioctl_set_sregs_pr,
.get_one_reg = kvmppc_get_one_reg_pr,
diff --git a/arch/powerpc/kvm/book3s_xics.c b/arch/powerpc/kvm/book3s_xics.c
index 51ed1ea440e0..cef3de96ff6c 100644
--- a/arch/powerpc/kvm/book3s_xics.c
+++ b/arch/powerpc/kvm/book3s_xics.c
@@ -818,7 +818,7 @@ int kvmppc_xics_hcall(struct kvm_vcpu *vcpu, u32 req)
}
/* Check for real mode returning too hard */
- if (xics->real_mode)
+ if (xics->real_mode && kvmppc_ops->is_hv_enabled)
return kvmppc_xics_rm_complete(vcpu, req);
switch (req) {
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 69b930550d2e..874a2a5e6cec 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -52,7 +52,6 @@ int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu)
return 1;
}
-#ifndef CONFIG_KVM_BOOK3S_64_HV
/*
* Common checks before entering the guest world. Call with interrupts
* disabled.
@@ -127,7 +126,6 @@ int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu)
return r;
}
-#endif /* CONFIG_KVM_BOOK3S_64_HV */
int kvmppc_kvm_pv(struct kvm_vcpu *vcpu)
{
@@ -194,11 +192,9 @@ int kvmppc_sanity_check(struct kvm_vcpu *vcpu)
if ((vcpu->arch.cpu_type != KVM_CPU_3S_64) && vcpu->arch.papr_enabled)
goto out;
-#ifdef CONFIG_KVM_BOOK3S_64_HV
/* HV KVM can only do PAPR mode for now */
- if (!vcpu->arch.papr_enabled)
+ if (!vcpu->arch.papr_enabled && kvmppc_ops->is_hv_enabled)
goto out;
-#endif
#ifdef CONFIG_KVM_BOOKE_HV
if (!cpu_has_feature(CPU_FTR_EMB_HV))
@@ -322,22 +318,26 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_DEVICE_CTRL:
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:
#if defined(CONFIG_KVM_E500V2) || defined(CONFIG_KVM_E500MC)
case KVM_CAP_SW_TLB:
#endif
-#ifdef CONFIG_KVM_MPIC
- case KVM_CAP_IRQ_MPIC:
-#endif
- r = 1;
+ /* We support this only for PR */
+ r = !kvmppc_ops->is_hv_enabled;
break;
+#ifdef CONFIG_KVM_MMIO
case KVM_CAP_COALESCED_MMIO:
r = KVM_COALESCED_MMIO_PAGE_OFFSET;
break;
#endif
+#ifdef CONFIG_KVM_MPIC
+ case KVM_CAP_IRQ_MPIC:
+ r = 1;
+ break;
+#endif
+
#ifdef CONFIG_PPC_BOOK3S_64
case KVM_CAP_SPAPR_TCE:
case KVM_CAP_PPC_ALLOC_HTAB:
@@ -348,32 +348,37 @@ int kvm_dev_ioctl_check_extension(long ext)
r = 1;
break;
#endif /* CONFIG_PPC_BOOK3S_64 */
-#ifdef CONFIG_KVM_BOOK3S_64_HV
+#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
case KVM_CAP_PPC_SMT:
- r = threads_per_core;
+ if (kvmppc_ops->is_hv_enabled)
+ r = threads_per_core;
+ else
+ r = 0;
break;
case KVM_CAP_PPC_RMA:
- r = 1;
+ r = kvmppc_ops->is_hv_enabled;
/* PPC970 requires an RMA */
- if (cpu_has_feature(CPU_FTR_ARCH_201))
+ if (r && cpu_has_feature(CPU_FTR_ARCH_201))
r = 2;
break;
#endif
case KVM_CAP_SYNC_MMU:
-#ifdef CONFIG_KVM_BOOK3S_64_HV
- r = cpu_has_feature(CPU_FTR_ARCH_206) ? 1 : 0;
+#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
+ if (kvmppc_ops->is_hv_enabled)
+ r = cpu_has_feature(CPU_FTR_ARCH_206) ? 1 : 0;
+ else
+ r = 0;
#elif defined(KVM_ARCH_WANT_MMU_NOTIFIER)
r = 1;
#else
r = 0;
- break;
#endif
-#ifdef CONFIG_KVM_BOOK3S_64_HV
+ break;
+#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
case KVM_CAP_PPC_HTAB_FD:
- r = 1;
+ r = kvmppc_ops->is_hv_enabled;
break;
#endif
- break;
case KVM_CAP_NR_VCPUS:
/*
* Recommending a number of CPUs is somewhat arbitrary; we
@@ -381,11 +386,10 @@ int kvm_dev_ioctl_check_extension(long ext)
* will have secondary threads "offline"), and for other KVM
* implementations just count online CPUs.
*/
-#ifdef CONFIG_KVM_BOOK3S_64_HV
- r = num_present_cpus();
-#else
- r = num_online_cpus();
-#endif
+ if (kvmppc_ops->is_hv_enabled)
+ r = num_present_cpus();
+ else
+ r = num_online_cpus();
break;
case KVM_CAP_MAX_VCPUS:
r = KVM_MAX_VCPUS;
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