diff --git a/arch/loongarch/include/asm/hardirq.h b/arch/loongarch/include/asm/hardirq.h
index 9f0038e19c7f..998011f162d0 100644
--- a/arch/loongarch/include/asm/hardirq.h
+++ b/arch/loongarch/include/asm/hardirq.h
@@ -21,6 +21,7 @@ enum ipi_msg_type {
 typedef struct {
 	unsigned int ipi_irqs[NR_IPI];
 	unsigned int __softirq_pending;
+	atomic_t messages;
 } ____cacheline_aligned irq_cpustat_t;
 
 DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
diff --git a/arch/loongarch/include/asm/kvm_para.h b/arch/loongarch/include/asm/kvm_para.h
index 41200e922a82..a25a84e372b9 100644
--- a/arch/loongarch/include/asm/kvm_para.h
+++ b/arch/loongarch/include/asm/kvm_para.h
@@ -9,6 +9,10 @@
 #define HYPERVISOR_VENDOR_SHIFT		8
 #define HYPERCALL_CODE(vendor, code)	((vendor << HYPERVISOR_VENDOR_SHIFT) + code)
 
+#define KVM_HC_CODE_SERVICE		0
+#define KVM_HC_SERVICE			HYPERCALL_CODE(HYPERVISOR_KVM, KVM_HC_CODE_SERVICE)
+#define  KVM_HC_FUNC_IPI		1
+
 /*
  * LoongArch hypcall return code
  */
@@ -16,6 +20,126 @@
 #define KVM_HC_INVALID_CODE		-1UL
 #define KVM_HC_INVALID_PARAMETER	-2UL
 
+/*
+ * Hypercalls interface for KVM hypervisor
+ *
+ * a0: function identifier
+ * a1-a6: args
+ * Return value will be placed in v0.
+ * Up to 6 arguments are passed in a1, a2, a3, a4, a5, a6.
+ */
+static __always_inline long kvm_hypercall(u64 fid)
+{
+	register long ret asm("v0");
+	register unsigned long fun asm("a0") = fid;
+
+	__asm__ __volatile__(
+		"hvcl "__stringify(KVM_HC_SERVICE)
+		: "=r" (ret)
+		: "r" (fun)
+		: "memory"
+		);
+
+	return ret;
+}
+
+static __always_inline long kvm_hypercall1(u64 fid, unsigned long arg0)
+{
+	register long ret asm("v0");
+	register unsigned long fun asm("a0") = fid;
+	register unsigned long a1  asm("a1") = arg0;
+
+	__asm__ __volatile__(
+		"hvcl "__stringify(KVM_HC_SERVICE)
+		: "=r" (ret)
+		: "r" (fun), "r" (a1)
+		: "memory"
+		);
+
+	return ret;
+}
+
+static __always_inline long kvm_hypercall2(u64 fid,
+		unsigned long arg0, unsigned long arg1)
+{
+	register long ret asm("v0");
+	register unsigned long fun asm("a0") = fid;
+	register unsigned long a1  asm("a1") = arg0;
+	register unsigned long a2  asm("a2") = arg1;
+
+	__asm__ __volatile__(
+			"hvcl "__stringify(KVM_HC_SERVICE)
+			: "=r" (ret)
+			: "r" (fun), "r" (a1), "r" (a2)
+			: "memory"
+			);
+
+	return ret;
+}
+
+static __always_inline long kvm_hypercall3(u64 fid,
+	unsigned long arg0, unsigned long arg1, unsigned long arg2)
+{
+	register long ret asm("v0");
+	register unsigned long fun asm("a0") = fid;
+	register unsigned long a1  asm("a1") = arg0;
+	register unsigned long a2  asm("a2") = arg1;
+	register unsigned long a3  asm("a3") = arg2;
+
+	__asm__ __volatile__(
+		"hvcl "__stringify(KVM_HC_SERVICE)
+		: "=r" (ret)
+		: "r" (fun), "r" (a1), "r" (a2), "r" (a3)
+		: "memory"
+		);
+
+	return ret;
+}
+
+static __always_inline long kvm_hypercall4(u64 fid,
+		unsigned long arg0, unsigned long arg1, unsigned long arg2,
+		unsigned long arg3)
+{
+	register long ret asm("v0");
+	register unsigned long fun asm("a0") = fid;
+	register unsigned long a1  asm("a1") = arg0;
+	register unsigned long a2  asm("a2") = arg1;
+	register unsigned long a3  asm("a3") = arg2;
+	register unsigned long a4  asm("a4") = arg3;
+
+	__asm__ __volatile__(
+		"hvcl "__stringify(KVM_HC_SERVICE)
+		: "=r" (ret)
+		: "r"(fun), "r" (a1), "r" (a2), "r" (a3), "r" (a4)
+		: "memory"
+		);
+
+	return ret;
+}
+
+static __always_inline long kvm_hypercall5(u64 fid,
+		unsigned long arg0, unsigned long arg1, unsigned long arg2,
+		unsigned long arg3, unsigned long arg4)
+{
+	register long ret asm("v0");
+	register unsigned long fun asm("a0") = fid;
+	register unsigned long a1  asm("a1") = arg0;
+	register unsigned long a2  asm("a2") = arg1;
+	register unsigned long a3  asm("a3") = arg2;
+	register unsigned long a4  asm("a4") = arg3;
+	register unsigned long a5  asm("a5") = arg4;
+
+	__asm__ __volatile__(
+		"hvcl "__stringify(KVM_HC_SERVICE)
+		: "=r" (ret)
+		: "r"(fun), "r" (a1), "r" (a2), "r" (a3), "r" (a4), "r" (a5)
+		: "memory"
+		);
+
+	return ret;
+}
+
+
 static inline unsigned int kvm_arch_para_features(void)
 {
 	return 0;
diff --git a/arch/loongarch/include/asm/loongarch.h b/arch/loongarch/include/asm/loongarch.h
index a03b466555a1..a787b69f6fb0 100644
--- a/arch/loongarch/include/asm/loongarch.h
+++ b/arch/loongarch/include/asm/loongarch.h
@@ -167,6 +167,7 @@
 #define CPUCFG_KVM_SIG			CPUCFG_KVM_BASE
 #define  KVM_SIGNATURE			"KVM\0"
 #define CPUCFG_KVM_FEATURE		(CPUCFG_KVM_BASE + 4)
+#define  KVM_FEATURE_PV_IPI		BIT(1)
 #ifndef __ASSEMBLY__
 
 /* CSR */
diff --git a/arch/loongarch/kernel/irq.c b/arch/loongarch/kernel/irq.c
index 1b58f7c3eed9..b5bd298c981f 100644
--- a/arch/loongarch/kernel/irq.c
+++ b/arch/loongarch/kernel/irq.c
@@ -113,5 +113,5 @@ void __init init_IRQ(void)
 			per_cpu(irq_stack, i), per_cpu(irq_stack, i) + IRQ_STACK_SIZE);
 	}
 
-	set_csr_ecfg(ECFGF_IP0 | ECFGF_IP1 | ECFGF_IP2 | ECFGF_IPI | ECFGF_PMC);
+	set_csr_ecfg(ECFGF_SIP0 | ECFGF_IP0 | ECFGF_IP1 | ECFGF_IP2 | ECFGF_IPI | ECFGF_PMC);
 }
diff --git a/arch/loongarch/kernel/paravirt.c b/arch/loongarch/kernel/paravirt.c
index 21d01d05791a..a70eba278607 100644
--- a/arch/loongarch/kernel/paravirt.c
+++ b/arch/loongarch/kernel/paravirt.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <linux/export.h>
 #include <linux/types.h>
+#include <linux/interrupt.h>
 #include <linux/jump_label.h>
 #include <linux/kvm_para.h>
 #include <asm/paravirt.h>
@@ -16,6 +17,94 @@ static u64 native_steal_clock(int cpu)
 
 DEFINE_STATIC_CALL(pv_steal_clock, native_steal_clock);
 
+#ifdef CONFIG_SMP
+static void pv_send_ipi_single(int cpu, unsigned int action)
+{
+	unsigned int min, old_action;
+	unsigned long ipi_bitmap = 0;
+	irq_cpustat_t *info = &per_cpu(irq_stat, cpu);
+
+	action = 1UL << action;
+	old_action = atomic_fetch_or(action, &info->messages);
+	if (old_action == 0) {
+		min = cpu_logical_map(cpu);
+		ipi_bitmap = 1;
+		kvm_hypercall2(KVM_HC_FUNC_IPI, ipi_bitmap, min);
+	}
+}
+
+static void pv_send_ipi_mask(const struct cpumask *mask, unsigned int action)
+{
+	unsigned int cpu, i, min = 0, max = 0, old_action;
+	u64 ipi_bitmap = 0;
+	irq_cpustat_t *info;
+
+	if (cpumask_empty(mask))
+		return;
+
+	action = 1UL << action;
+	for_each_cpu(i, mask) {
+		cpu = cpu_logical_map(i);
+		if (!ipi_bitmap) {
+			min = max = cpu;
+		} else if (cpu < min && (max - cpu) < BITS_PER_LONG) {
+			ipi_bitmap <<= min - cpu;
+			min = cpu;
+		} else if (cpu > min && cpu < min + BITS_PER_LONG) {
+			max = cpu < max ? max : cpu;
+		} else {
+			kvm_hypercall2(KVM_HC_FUNC_IPI, ipi_bitmap, min);
+			min = max = cpu;
+			ipi_bitmap = 0;
+		}
+		info = &per_cpu(irq_stat, i);
+		old_action = atomic_fetch_or(action, &info->messages);
+		if (old_action == 0)
+			__set_bit(cpu - min, (unsigned long *)&ipi_bitmap);
+	}
+
+	if (ipi_bitmap)
+		kvm_hypercall2(KVM_HC_FUNC_IPI, ipi_bitmap, min);
+}
+
+static irqreturn_t loongson_do_swi(int irq, void *dev)
+{
+	irq_cpustat_t *info;
+	long action;
+
+	clear_csr_estat(1 << INT_SWI0);
+
+	info = this_cpu_ptr(&irq_stat);
+	do {
+		action = atomic_xchg(&info->messages, 0);
+		if (action & SMP_CALL_FUNCTION) {
+			generic_smp_call_function_interrupt();
+			info->ipi_irqs[IPI_CALL_FUNCTION]++;
+		}
+
+		if (action & SMP_RESCHEDULE) {
+			scheduler_ipi();
+			info->ipi_irqs[IPI_RESCHEDULE]++;
+		}
+	} while (action);
+
+	return IRQ_HANDLED;
+}
+
+static void pv_ipi_init(void)
+{
+	int r, swi0;
+
+	swi0 = get_percpu_irq(INT_SWI0);
+	if (swi0 < 0)
+		panic("SIP0 IRQ mapping failed\n");
+	irq_set_percpu_devid(swi0);
+	r = request_percpu_irq(swi0, loongson_do_swi, "SWI0", &irq_stat);
+	if (r < 0)
+		panic("SIP0 IRQ request failed\n");
+}
+#endif
+
 static bool kvm_para_available(void)
 {
 	static int hypervisor_type;
@@ -32,10 +121,24 @@ static bool kvm_para_available(void)
 
 int __init pv_guest_init(void)
 {
+	int feature;
+
 	if (!cpu_has_hypervisor)
 		return 0;
 	if (!kvm_para_available())
 		return 0;
 
+	/*
+	 * check whether KVM hypervisor supports pv_ipi or not
+	 */
+#ifdef CONFIG_SMP
+	feature = read_cpucfg(CPUCFG_KVM_FEATURE);
+	if (feature & KVM_FEATURE_PV_IPI) {
+		smp_ops.call_func_single_ipi	= pv_send_ipi_single;
+		smp_ops.call_func_ipi		= pv_send_ipi_mask;
+		smp_ops.ipi_init		= pv_ipi_init;
+	}
+#endif
+
 	return 1;
 }
diff --git a/arch/loongarch/kernel/smp.c b/arch/loongarch/kernel/smp.c
index 8cce7839b22f..ebcf2ac8a9c2 100644
--- a/arch/loongarch/kernel/smp.c
+++ b/arch/loongarch/kernel/smp.c
@@ -283,7 +283,7 @@ void loongson_boot_secondary(int cpu, struct task_struct *idle)
 void loongson_init_secondary(void)
 {
 	unsigned int cpu = smp_processor_id();
-	unsigned int imask = ECFGF_IP0 | ECFGF_IP1 | ECFGF_IP2 |
+	unsigned int imask = ECFGF_SIP0 | ECFGF_IP0 | ECFGF_IP1 | ECFGF_IP2 |
 			     ECFGF_IPI | ECFGF_PMC | ECFGF_TIMER;
 
 	change_csr_ecfg(ECFG0_IM, imask);
diff --git a/arch/loongarch/kvm/exit.c b/arch/loongarch/kvm/exit.c
index e233d7b3b76d..bd8a631d8626 100644
--- a/arch/loongarch/kvm/exit.c
+++ b/arch/loongarch/kvm/exit.c
@@ -227,6 +227,9 @@ static int kvm_emu_cpucfg(struct kvm_vcpu *vcpu, larch_inst inst)
 	case CPUCFG_KVM_SIG:
 		vcpu->arch.gprs[rd] = *(unsigned int *)KVM_SIGNATURE;
 		break;
+	case CPUCFG_KVM_FEATURE:
+		vcpu->arch.gprs[rd] = KVM_FEATURE_PV_IPI;
+		break;
 	default:
 		vcpu->arch.gprs[rd] = 0;
 		break;
@@ -664,12 +667,71 @@ static int kvm_handle_fpu_disabled(struct kvm_vcpu *vcpu)
 	return RESUME_GUEST;
 }
 
+static int kvm_pv_send_ipi(struct kvm_vcpu *vcpu, int sgi)
+{
+	int ret = 0;
+	u64 ipi_bitmap;
+	unsigned int min, cpu;
+	struct kvm_vcpu *dest;
+
+	ipi_bitmap = vcpu->arch.gprs[LOONGARCH_GPR_A1];
+	min = vcpu->arch.gprs[LOONGARCH_GPR_A2];
+
+	if (ipi_bitmap) {
+		cpu = find_first_bit((void *)&ipi_bitmap, BITS_PER_LONG);
+		while (cpu < BITS_PER_LONG) {
+			if ((cpu + min) < KVM_MAX_VCPUS) {
+				dest = kvm_get_vcpu_by_id(vcpu->kvm, cpu + min);
+				kvm_queue_irq(dest, sgi);
+				kvm_vcpu_kick(dest);
+			}
+			cpu = find_next_bit((void *)&ipi_bitmap, BITS_PER_LONG, cpu + 1);
+		}
+	}
+
+	return ret;
+}
+
+/*
+ * hypcall emulation always return to guest, Caller should check retval.
+ */
+static void kvm_handle_pv_hcall(struct kvm_vcpu *vcpu)
+{
+	unsigned long func = vcpu->arch.gprs[LOONGARCH_GPR_A0];
+	long ret;
+
+	switch (func) {
+	case KVM_HC_FUNC_IPI:
+		kvm_pv_send_ipi(vcpu, INT_SWI0);
+		ret = KVM_HC_STATUS_SUCCESS;
+		break;
+	default:
+		ret = KVM_HC_INVALID_CODE;
+		break;
+	};
+
+	vcpu->arch.gprs[LOONGARCH_GPR_A0] = ret;
+}
+
 static int kvm_handle_hypcall(struct kvm_vcpu *vcpu)
 {
+	larch_inst inst;
+	unsigned int code;
+
+	inst.word = vcpu->arch.badi;
+	code = inst.reg0i15_format.immediate;
 	update_pc(&vcpu->arch);
 
-	/* Treat it as noop intruction, only set return value */
-	vcpu->arch.gprs[LOONGARCH_GPR_A0] = KVM_HC_INVALID_CODE;
+	switch (code) {
+	case KVM_HC_SERVICE:
+		kvm_handle_pv_hcall(vcpu);
+		break;
+	default:
+		/* Treat it as noop intruction, only set return value */
+		vcpu->arch.gprs[LOONGARCH_GPR_A0] = KVM_HC_INVALID_CODE;
+		break;
+	}
+
 	return RESUME_GUEST;
 }
 
