diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h
index 4b7d10f95ee4..5bbeef180f97 100644
--- a/arch/arm64/include/asm/kvm_asm.h
+++ b/arch/arm64/include/asm/kvm_asm.h
@@ -114,6 +114,7 @@ enum __kvm_host_smccc_func {
 	__KVM_HOST_SMCCC_FUNC___pkvm_host_iommu_map_pages,
 	__KVM_HOST_SMCCC_FUNC___pkvm_host_iommu_unmap_pages,
 	__KVM_HOST_SMCCC_FUNC___pkvm_host_iommu_iova_to_phys,
+	__KVM_HOST_SMCCC_FUNC___pkvm_host_hvc_pd,
 
 	/*
 	 * Start of the dynamically registered hypercalls. Start a bit
diff --git a/arch/arm64/kvm/hyp/include/nvhe/pkvm.h b/arch/arm64/kvm/hyp/include/nvhe/pkvm.h
index 8a5554615e40..e4a94696b10e 100644
--- a/arch/arm64/kvm/hyp/include/nvhe/pkvm.h
+++ b/arch/arm64/kvm/hyp/include/nvhe/pkvm.h
@@ -8,6 +8,7 @@
 #define __ARM64_KVM_NVHE_PKVM_H__
 
 #include <asm/kvm_pkvm.h>
+#include <kvm/power_domain.h>
 
 #include <nvhe/gfp.h>
 #include <nvhe/spinlock.h>
@@ -146,4 +147,33 @@ void pkvm_poison_pvmfw_pages(void);
 int pkvm_timer_init(void);
 void pkvm_udelay(unsigned long usecs);
 
+#define MAX_POWER_DOMAINS		32
+
+struct kvm_power_domain_ops {
+	int (*power_on)(struct kvm_power_domain *pd);
+	int (*power_off)(struct kvm_power_domain *pd);
+};
+
+int pkvm_init_hvc_pd(struct kvm_power_domain *pd,
+		     const struct kvm_power_domain_ops *ops);
+
+int pkvm_host_hvc_pd(u64 device_id, u64 on);
+
+/*
+ * Register a power domain. When the hypervisor catches power requests from the
+ * host for this power domain, it calls the power ops with @pd as argument.
+ */
+static inline int pkvm_init_power_domain(struct kvm_power_domain *pd,
+					 const struct kvm_power_domain_ops *ops)
+{
+	switch (pd->type) {
+	case KVM_POWER_DOMAIN_NONE:
+		return 0;
+	case KVM_POWER_DOMAIN_HOST_HVC:
+		return pkvm_init_hvc_pd(pd, ops);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
 #endif /* __ARM64_KVM_NVHE_PKVM_H__ */
diff --git a/arch/arm64/kvm/hyp/nvhe/Makefile b/arch/arm64/kvm/hyp/nvhe/Makefile
index 9e1b74c661d2..950d34ba6e50 100644
--- a/arch/arm64/kvm/hyp/nvhe/Makefile
+++ b/arch/arm64/kvm/hyp/nvhe/Makefile
@@ -8,7 +8,7 @@ CFLAGS_switch.nvhe.o += -Wno-override-init
 hyp-obj-y := timer-sr.o sysreg-sr.o debug-sr.o switch.o tlb.o hyp-init.o host.o \
 	 hyp-main.o hyp-smp.o psci-relay.o alloc.o early_alloc.o page_alloc.o \
 	 cache.o setup.o mm.o mem_protect.o sys_regs.o pkvm.o stacktrace.o ffa.o \
-	 serial.o alloc_mgt.o iommu/iommu.o
+	 serial.o alloc_mgt.o iommu/iommu.o power/hvc.o
 hyp-obj-y += ../vgic-v3-sr.o ../aarch32.o ../vgic-v2-cpuif-proxy.o ../entry.o \
 	 ../fpsimd.o ../hyp-entry.o ../exception.o ../pgtable.o
 hyp-obj-$(CONFIG_LIST_HARDENED) += list_debug.o
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
index 919bd6233baf..7daae75dce8d 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
@@ -1682,6 +1682,14 @@ static void handle___pkvm_host_iommu_iova_to_phys(struct kvm_cpu_context *host_c
 	cpu_reg(host_ctxt, 1) = kvm_iommu_iova_to_phys(domain, iova);
 }
 
+static void handle___pkvm_host_hvc_pd(struct kvm_cpu_context *host_ctxt)
+{
+	DECLARE_REG(u64, device_id, host_ctxt, 1);
+	DECLARE_REG(u64, on, host_ctxt, 2);
+
+	cpu_reg(host_ctxt, 1) = pkvm_host_hvc_pd(device_id, on);
+}
+
 typedef void (*hcall_t)(struct kvm_cpu_context *);
 
 #define HANDLE_FUNC(x)	[__KVM_HOST_SMCCC_FUNC_##x] = (hcall_t)handle_##x
@@ -1746,6 +1754,7 @@ static const hcall_t host_hcall[] = {
 	HANDLE_FUNC(__pkvm_host_iommu_map_pages),
 	HANDLE_FUNC(__pkvm_host_iommu_unmap_pages),
 	HANDLE_FUNC(__pkvm_host_iommu_iova_to_phys),
+	HANDLE_FUNC(__pkvm_host_hvc_pd),
 };
 
 static void handle_host_hcall(struct kvm_cpu_context *host_ctxt)
diff --git a/arch/arm64/kvm/hyp/nvhe/power/hvc.c b/arch/arm64/kvm/hyp/nvhe/power/hvc.c
new file mode 100644
index 000000000000..f4d811847e73
--- /dev/null
+++ b/arch/arm64/kvm/hyp/nvhe/power/hvc.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2023 Google LLC
+ * Author: Mostafa Saleh <smostafa@google.com>
+ */
+
+#include <nvhe/pkvm.h>
+
+struct hvc_power_domain {
+	struct kvm_power_domain			*pd;
+	const struct kvm_power_domain_ops	*ops;
+};
+
+struct hvc_power_domain handlers[MAX_POWER_DOMAINS];
+
+int pkvm_init_hvc_pd(struct kvm_power_domain *pd,
+		     const struct kvm_power_domain_ops *ops)
+{
+	if (pd->device_id >= MAX_POWER_DOMAINS)
+		return -E2BIG;
+
+	handlers[pd->device_id].ops = ops;
+	handlers[pd->device_id].pd = pd;
+
+	return 0;
+}
+
+int pkvm_host_hvc_pd(u64 device_id, u64 on)
+{
+	struct hvc_power_domain *pd;
+
+	if (device_id >= MAX_POWER_DOMAINS)
+		return -E2BIG;
+
+	device_id = array_index_nospec(device_id, MAX_POWER_DOMAINS);
+	pd = &handlers[device_id];
+
+	if (!pd->ops)
+		return -ENOENT;
+
+	if (on)
+		pd->ops->power_on(pd->pd);
+	else
+		pd->ops->power_off(pd->pd);
+
+	return 0;
+}
diff --git a/include/kvm/power_domain.h b/include/kvm/power_domain.h
new file mode 100644
index 000000000000..f6a9c5cdfebb
--- /dev/null
+++ b/include/kvm/power_domain.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __KVM_POWER_DOMAIN_H
+#define __KVM_POWER_DOMAIN_H
+
+enum kvm_power_domain_type {
+	KVM_POWER_DOMAIN_NONE,
+	KVM_POWER_DOMAIN_HOST_HVC,
+};
+
+struct kvm_power_domain {
+	enum kvm_power_domain_type	type;
+	union {
+		u64 device_id; /* HOST_HVC device ID*/
+	};
+};
+
+#endif /* __KVM_POWER_DOMAIN_H */