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authorMarc Zyngier <maz@kernel.org>2020-11-27 22:48:24 +0300
committerMarc Zyngier <maz@kernel.org>2020-11-27 22:48:24 +0300
commit90f0e16c649ac3e93094cb491072d6424f53be43 (patch)
tree42d6887207065642b46baad0132fe363c8255afa /arch
parentbb528f4f57d096793c133f44e1ac70db602d8c28 (diff)
parentbf118a5cb7e6d17e7ec9492e4dc676e7e7b69d01 (diff)
Merge branch 'kvm-arm64/misc-5.11' into kvmarm-master/next
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/include/asm/cpufeature.h5
-rw-r--r--arch/arm64/include/asm/kvm_host.h5
-rw-r--r--arch/arm64/include/uapi/asm/kvm.h3
-rw-r--r--arch/arm64/kvm/arm.c31
-rw-r--r--arch/arm64/kvm/reset.c52
5 files changed, 37 insertions, 59 deletions
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
index da250e4741bd..461277ae7a48 100644
--- 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
index ac11adab6602..d254c7794bfa 100644
--- 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
index 1c17c3a24411..24223adae150 100644
--- 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
index 2d0a37c75cda..f60f4a5e1a22 100644
--- 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
index 3e772ea4e066..47f3f035f3ea 100644
--- 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)