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-rw-r--r--arch/arm64/include/asm/kvm_hyp.h2
-rw-r--r--arch/arm64/kvm/hyp/include/nvhe/ffa.h2
-rw-r--r--arch/arm64/kvm/hyp/nvhe/ffa.c3
-rw-r--r--arch/arm64/kvm/hyp/nvhe/hyp-init.S1
-rw-r--r--arch/arm64/kvm/hyp/nvhe/hyp-main.c8
-rw-r--r--arch/arm64/kvm/hyp/nvhe/psci-relay.c3
-rw-r--r--arch/arm64/kvm/mmu.c3
7 files changed, 14 insertions, 8 deletions
diff --git a/arch/arm64/include/asm/kvm_hyp.h b/arch/arm64/include/asm/kvm_hyp.h
index b7238c72a04c..66efd67ea7e8 100644
--- a/arch/arm64/include/asm/kvm_hyp.h
+++ b/arch/arm64/include/asm/kvm_hyp.h
@@ -118,7 +118,7 @@ void deactivate_traps_vhe_put(struct kvm_vcpu *vcpu);
u64 __guest_enter(struct kvm_vcpu *vcpu);
-bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt);
+bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt, u32 func_id);
#ifdef __KVM_NVHE_HYPERVISOR__
void __noreturn __hyp_do_panic(struct kvm_cpu_context *host_ctxt, u64 spsr,
diff --git a/arch/arm64/kvm/hyp/include/nvhe/ffa.h b/arch/arm64/kvm/hyp/include/nvhe/ffa.h
index 1becb10ecd80..d9fd5e6c7d3c 100644
--- a/arch/arm64/kvm/hyp/include/nvhe/ffa.h
+++ b/arch/arm64/kvm/hyp/include/nvhe/ffa.h
@@ -12,6 +12,6 @@
#define FFA_MAX_FUNC_NUM 0x7F
int hyp_ffa_init(void *pages);
-bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt);
+bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt, u32 func_id);
#endif /* __KVM_HYP_FFA_H */
diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c
index ab4f5d160c58..6e4dba9eadef 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -634,9 +634,8 @@ out_handled:
return true;
}
-bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt)
+bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt, u32 func_id)
{
- DECLARE_REG(u64, func_id, host_ctxt, 0);
struct arm_smccc_res res;
/*
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-init.S b/arch/arm64/kvm/hyp/nvhe/hyp-init.S
index 90fade1b032e..1cc06e6797bd 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-init.S
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-init.S
@@ -57,6 +57,7 @@ __do_hyp_init:
cmp x0, #HVC_STUB_HCALL_NR
b.lo __kvm_handle_stub_hvc
+ bic x0, x0, #ARM_SMCCC_CALL_HINTS
mov x3, #KVM_HOST_SMCCC_FUNC(__kvm_hyp_init)
cmp x0, x3
b.eq 1f
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
index 857d9bc04fd4..2385fd03ed87 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
@@ -368,6 +368,7 @@ static void handle_host_hcall(struct kvm_cpu_context *host_ctxt)
if (static_branch_unlikely(&kvm_protected_mode_initialized))
hcall_min = __KVM_HOST_SMCCC_FUNC___pkvm_prot_finalize;
+ id &= ~ARM_SMCCC_CALL_HINTS;
id -= KVM_HOST_SMCCC_ID(0);
if (unlikely(id < hcall_min || id >= ARRAY_SIZE(host_hcall)))
@@ -392,11 +393,14 @@ static void default_host_smc_handler(struct kvm_cpu_context *host_ctxt)
static void handle_host_smc(struct kvm_cpu_context *host_ctxt)
{
+ DECLARE_REG(u64, func_id, host_ctxt, 0);
bool handled;
- handled = kvm_host_psci_handler(host_ctxt);
+ func_id &= ~ARM_SMCCC_CALL_HINTS;
+
+ handled = kvm_host_psci_handler(host_ctxt, func_id);
if (!handled)
- handled = kvm_host_ffa_handler(host_ctxt);
+ handled = kvm_host_ffa_handler(host_ctxt, func_id);
if (!handled)
default_host_smc_handler(host_ctxt);
diff --git a/arch/arm64/kvm/hyp/nvhe/psci-relay.c b/arch/arm64/kvm/hyp/nvhe/psci-relay.c
index 24543d2a3490..d57bcb6ab94d 100644
--- a/arch/arm64/kvm/hyp/nvhe/psci-relay.c
+++ b/arch/arm64/kvm/hyp/nvhe/psci-relay.c
@@ -273,9 +273,8 @@ static unsigned long psci_1_0_handler(u64 func_id, struct kvm_cpu_context *host_
}
}
-bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt)
+bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt, u32 func_id)
{
- DECLARE_REG(u64, func_id, host_ctxt, 0);
unsigned long ret;
switch (kvm_host_psci_config.version) {
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index 587a104f66c3..482280fe22d7 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -652,6 +652,9 @@ int hyp_alloc_private_va_range(size_t size, unsigned long *haddr)
mutex_unlock(&kvm_hyp_pgd_mutex);
+ if (!ret)
+ *haddr = base;
+
return ret;
}