Merge branch 'kvm-arm64/misc-5.11' into kvmarm-master/next

Signed-off-by: Marc Zyngier <maz@kernel.org>
mariux64 · Nov 27, 2020 · 90f0e16 · 90f0e16
2 parents bb528f4 + bf118a5
commit 90f0e16
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Showing 5 changed files with 37 additions and 59 deletions.
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
@@ -699,6 +699,11 @@ static inline bool system_supports_generic_auth(void)
 		cpus_have_const_cap(ARM64_HAS_GENERIC_AUTH);
 }
 
+static inline bool system_has_full_ptr_auth(void)
+{
+	return system_supports_address_auth() && system_supports_generic_auth();
+}
+
 static __always_inline bool system_uses_irq_prio_masking(void)
 {
 	return IS_ENABLED(CONFIG_ARM64_PSEUDO_NMI) &&

diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
@@ -58,8 +58,6 @@ int kvm_arm_init_sve(void);
 int __attribute_const__ kvm_target_cpu(void);
 int kvm_reset_vcpu(struct kvm_vcpu *vcpu);
 void kvm_arm_vcpu_destroy(struct kvm_vcpu *vcpu);
-int kvm_arch_vm_ioctl_check_extension(struct kvm *kvm, long ext);
-void __extended_idmap_trampoline(phys_addr_t boot_pgd, phys_addr_t idmap_start);
 
 struct kvm_vmid {
 	/* The VMID generation used for the virt. memory system */
@@ -89,6 +87,9 @@ struct kvm_s2_mmu {
 	struct kvm *kvm;
 };
 
+struct kvm_arch_memory_slot {
+};
+
 struct kvm_arch {
 	struct kvm_s2_mmu mmu;
 

diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h
@@ -156,9 +156,6 @@ struct kvm_sync_regs {
 	__u64 device_irq_level;
 };
 
-struct kvm_arch_memory_slot {
-};
-
 /*
  * PMU filter structure. Describe a range of events with a particular
  * action. To be used with KVM_ARM_VCPU_PMU_V3_FILTER.

diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
@@ -197,6 +197,8 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
 	case KVM_CAP_ARM_IRQ_LINE_LAYOUT_2:
 	case KVM_CAP_ARM_NISV_TO_USER:
 	case KVM_CAP_ARM_INJECT_EXT_DABT:
+	case KVM_CAP_SET_GUEST_DEBUG:
+	case KVM_CAP_VCPU_ATTRIBUTES:
 		r = 1;
 		break;
 	case KVM_CAP_ARM_SET_DEVICE_ADDR:
@@ -228,10 +230,35 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
 	case KVM_CAP_STEAL_TIME:
 		r = kvm_arm_pvtime_supported();
 		break;
-	default:
-		r = kvm_arch_vm_ioctl_check_extension(kvm, ext);
+	case KVM_CAP_ARM_EL1_32BIT:
+		r = cpus_have_const_cap(ARM64_HAS_32BIT_EL1);
+		break;
+	case KVM_CAP_GUEST_DEBUG_HW_BPS:
+		r = get_num_brps();
+		break;
+	case KVM_CAP_GUEST_DEBUG_HW_WPS:
+		r = get_num_wrps();
+		break;
+	case KVM_CAP_ARM_PMU_V3:
+		r = kvm_arm_support_pmu_v3();
+		break;
+	case KVM_CAP_ARM_INJECT_SERROR_ESR:
+		r = cpus_have_const_cap(ARM64_HAS_RAS_EXTN);
+		break;
+	case KVM_CAP_ARM_VM_IPA_SIZE:
+		r = get_kvm_ipa_limit();
 		break;
+	case KVM_CAP_ARM_SVE:
+		r = system_supports_sve();
+		break;
+	case KVM_CAP_ARM_PTRAUTH_ADDRESS:
+	case KVM_CAP_ARM_PTRAUTH_GENERIC:
+		r = system_has_full_ptr_auth();
+		break;
+	default:
+		r = 0;
 	}
+
 	return r;
 }
 

diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
@@ -41,58 +41,6 @@ static u32 kvm_ipa_limit;
 #define VCPU_RESET_PSTATE_SVC	(PSR_AA32_MODE_SVC | PSR_AA32_A_BIT | \
 				 PSR_AA32_I_BIT | PSR_AA32_F_BIT)
 
-static bool system_has_full_ptr_auth(void)
-{
-	return system_supports_address_auth() && system_supports_generic_auth();
-}
-
-/**
- * kvm_arch_vm_ioctl_check_extension
- *
- * We currently assume that the number of HW registers is uniform
- * across all CPUs (see cpuinfo_sanity_check).
- */
-int kvm_arch_vm_ioctl_check_extension(struct kvm *kvm, long ext)
-{
-	int r;
-
-	switch (ext) {
-	case KVM_CAP_ARM_EL1_32BIT:
-		r = cpus_have_const_cap(ARM64_HAS_32BIT_EL1);
-		break;
-	case KVM_CAP_GUEST_DEBUG_HW_BPS:
-		r = get_num_brps();
-		break;
-	case KVM_CAP_GUEST_DEBUG_HW_WPS:
-		r = get_num_wrps();
-		break;
-	case KVM_CAP_ARM_PMU_V3:
-		r = kvm_arm_support_pmu_v3();
-		break;
-	case KVM_CAP_ARM_INJECT_SERROR_ESR:
-		r = cpus_have_const_cap(ARM64_HAS_RAS_EXTN);
-		break;
-	case KVM_CAP_SET_GUEST_DEBUG:
-	case KVM_CAP_VCPU_ATTRIBUTES:
-		r = 1;
-		break;
-	case KVM_CAP_ARM_VM_IPA_SIZE:
-		r = kvm_ipa_limit;
-		break;
-	case KVM_CAP_ARM_SVE:
-		r = system_supports_sve();
-		break;
-	case KVM_CAP_ARM_PTRAUTH_ADDRESS:
-	case KVM_CAP_ARM_PTRAUTH_GENERIC:
-		r = system_has_full_ptr_auth();
-		break;
-	default:
-		r = 0;
-	}
-
-	return r;
-}
-
 unsigned int kvm_sve_max_vl;
 
 int kvm_arm_init_sve(void)