diff --git a/hypervisor/dm/vpci/pci_pt.c b/hypervisor/dm/vpci/pci_pt.c
index 541a7060f..324dad981 100644
--- a/hypervisor/dm/vpci/pci_pt.c
+++ b/hypervisor/dm/vpci/pci_pt.c
@@ -345,6 +345,21 @@ static void init_bars(struct pci_vdev *vdev, bool is_sriov_bar)
 	}
 }
 
+void vdev_pt_hide_sriov_cap(struct pci_vdev *vdev)
+{
+	uint32_t pre_pos = vdev->pdev->sriov.pre_pos;
+	uint32_t pre_hdr, hdr, vhdr;
+
+	pre_hdr = pci_pdev_read_cfg(vdev->pdev->bdf, pre_pos, 4U);
+	hdr = pci_pdev_read_cfg(vdev->pdev->bdf, vdev->pdev->sriov.capoff, 4U);
+
+	vhdr = pre_hdr & 0xfffffU;
+	vhdr |= hdr & 0xfff00000U;
+	pci_vdev_write_vcfg(vdev, pre_pos, 4U, vhdr);
+	vdev->pdev->sriov.hide_sriov = true;
+
+	pr_acrnlog("Hide sriov cap for %02x:%02x.%x", vdev->pdev->bdf.bits.b, vdev->pdev->bdf.bits.d, vdev->pdev->bdf.bits.f);
+}
 /*
  * @brief Initialize a specified passthrough vdev structure.
  *
diff --git a/hypervisor/dm/vpci/vpci.c b/hypervisor/dm/vpci/vpci.c
index 1c2ec5432..6b4e6ed69 100644
--- a/hypervisor/dm/vpci/vpci.c
+++ b/hypervisor/dm/vpci/vpci.c
@@ -494,11 +494,13 @@ static int32_t write_pt_dev_cfg(struct pci_vdev *vdev, uint32_t offset,
 	} else if (sriovcap_access(vdev, offset)) {
 		write_sriov_cap_reg(vdev, offset, bytes, val);
 	} else {
-		if (!is_quirk_ptdev(vdev)) {
-			/* passthru to physical device */
-			pci_pdev_write_cfg(vdev->pdev->bdf, offset, bytes, val);
-		} else {
-			ret = -ENODEV;
+		if (offset != vdev->pdev->sriov.pre_pos) {
+			if (!is_quirk_ptdev(vdev)) {
+				/* passthru to physical device */
+				pci_pdev_write_cfg(vdev->pdev->bdf, offset, bytes, val);
+			} else {
+				ret = -ENODEV;
+			}
 		}
 	}
 
@@ -519,7 +521,9 @@ static int32_t read_pt_dev_cfg(const struct pci_vdev *vdev, uint32_t offset,
 	} else if (sriovcap_access(vdev, offset)) {
 		read_sriov_cap_reg(vdev, offset, bytes, val);
 	} else {
-		if (!is_quirk_ptdev(vdev)) {
+		if (offset == vdev->pdev->sriov.pre_pos) {
+			*val = pci_vdev_read_vcfg(vdev, offset, bytes);
+		} else if (!is_quirk_ptdev(vdev)) {
 			/* passthru to physical device */
 			*val = pci_pdev_read_cfg(vdev->pdev->bdf, offset, bytes);
 		} else {
diff --git a/hypervisor/dm/vpci/vpci_priv.h b/hypervisor/dm/vpci/vpci_priv.h
index ce5bd2c49..9e7e8fb60 100644
--- a/hypervisor/dm/vpci/vpci_priv.h
+++ b/hypervisor/dm/vpci/vpci_priv.h
@@ -156,4 +156,6 @@ void pci_vdev_write_vcfg(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes,
 
 uint32_t pci_vdev_read_vbar(const struct pci_vdev *vdev, uint32_t idx);
 void pci_vdev_write_vbar(struct pci_vdev *vdev, uint32_t idx, uint32_t val);
+
+void vdev_pt_hide_sriov_cap(struct pci_vdev *vdev);
 #endif /* VPCI_PRIV_H_ */
diff --git a/hypervisor/dm/vpci/vsriov.c b/hypervisor/dm/vpci/vsriov.c
index a9bb4bbec..4fc71a562 100644
--- a/hypervisor/dm/vpci/vsriov.c
+++ b/hypervisor/dm/vpci/vsriov.c
@@ -273,8 +273,12 @@ void init_vsriov(struct pci_vdev *vdev)
  */
 void read_sriov_cap_reg(const struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t *val)
 {
-	/* no need to do emulation, passthrough to physical device directly */
-	*val = pci_pdev_read_cfg(vdev->pdev->bdf, offset, bytes);
+	if (!vdev->pdev->sriov.hide_sriov) {
+		/* no need to do emulation, passthrough to physical device directly */
+		*val = pci_pdev_read_cfg(vdev->pdev->bdf, offset, bytes);
+	} else {
+		*val = 0xffffffffU;
+	}
 }
 
 /**
@@ -287,41 +291,43 @@ void write_sriov_cap_reg(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes,
 	uint32_t reg;
 
 	reg = offset - vdev->sriov.capoff;
-	if (reg == PCIR_SRIOV_CONTROL) {
-		bool enable;
+	if (!vdev->pdev->sriov.hide_sriov) {
+		if (reg == PCIR_SRIOV_CONTROL) {
+			bool enable;
 
-		enable = (((val & PCIM_SRIOV_VF_ENABLE) != 0U) ? true : false);
-		if (enable != is_vf_enabled(vdev)) {
-			if (enable) {
-				/*
-				 * set VF_ENABLE to PF physical device before enable_vfs
-				 * since need to ask hardware to create VF physical
-				 * devices firstly
-				 */
-				pci_pdev_write_cfg(vdev->pdev->bdf, offset, bytes, val);
-				enable_vfs(vdev);
+			enable = (((val & PCIM_SRIOV_VF_ENABLE) != 0U) ? true : false);
+			if (enable != is_vf_enabled(vdev)) {
+				if (enable) {
+					/*
+					 * set VF_ENABLE to PF physical device before enable_vfs
+					 * since need to ask hardware to create VF physical
+					 * devices firstly
+					 */
+					pci_pdev_write_cfg(vdev->pdev->bdf, offset, bytes, val);
+					enable_vfs(vdev);
+				} else {
+					disable_vfs(vdev);
+					pci_pdev_write_cfg(vdev->pdev->bdf, offset, bytes, val);
+				}
 			} else {
-				disable_vfs(vdev);
+				pci_pdev_write_cfg(vdev->pdev->bdf, offset, bytes, val);
+			}
+		} else if (reg == PCIR_SRIOV_NUMVFS) {
+			uint16_t total;
+
+			total = read_sriov_reg(vdev, PCIR_SRIOV_TOTAL_VFS);
+			/*
+			 * sanity check for NumVFs register based on PCE Express Base 4.0 9.3.3.7 chapter
+			 * The results are undefined if NumVFs is set to a value greater than TotalVFs
+			 * NumVFs may only be written while VF Enable is Clear
+			 * If NumVFs is written when VF Enable is Set, the results are undefined
+			 */
+			if ((((uint16_t)(val & 0xFFU)) <= total) && (!is_vf_enabled(vdev))) {
 				pci_pdev_write_cfg(vdev->pdev->bdf, offset, bytes, val);
 			}
 		} else {
 			pci_pdev_write_cfg(vdev->pdev->bdf, offset, bytes, val);
 		}
-	} else if (reg == PCIR_SRIOV_NUMVFS) {
-		uint16_t total;
-
-		total = read_sriov_reg(vdev, PCIR_SRIOV_TOTAL_VFS);
-		/*
-		 * sanity check for NumVFs register based on PCE Express Base 4.0 9.3.3.7 chapter
-		 * The results are undefined if NumVFs is set to a value greater than TotalVFs
-		 * NumVFs may only be written while VF Enable is Clear
-		 * If NumVFs is written when VF Enable is Set, the results are undefined
-		 */
-		if ((((uint16_t)(val & 0xFFU)) <= total) && (!is_vf_enabled(vdev))) {
-			pci_pdev_write_cfg(vdev->pdev->bdf, offset, bytes, val);
-		}
-	} else {
-		pci_pdev_write_cfg(vdev->pdev->bdf, offset, bytes, val);
 	}
 }
 
diff --git a/hypervisor/hw/pci.c b/hypervisor/hw/pci.c
index 2096630b4..30086f7b2 100644
--- a/hypervisor/hw/pci.c
+++ b/hypervisor/hw/pci.c
@@ -663,7 +663,7 @@ static inline uint32_t pci_pdev_get_nr_bars(uint8_t hdr_type)
  */
 static void pci_enumerate_ext_cap(struct pci_pdev *pdev) {
 
-	uint32_t hdr, pos;
+	uint32_t hdr, pos, pre_pos = 0U;
 
 	pos = PCI_ECAP_BASE_PTR;
 
@@ -673,12 +673,13 @@ static void pci_enumerate_ext_cap(struct pci_pdev *pdev) {
 		if (PCI_ECAP_ID(hdr) == PCIZ_SRIOV) {
 			pdev->sriov.capoff = pos;
 			pdev->sriov.caplen = PCI_SRIOV_CAP_LEN;
+			pdev->sriov.pre_pos = pre_pos;
 		}
+		pre_pos = pos;
 		pos = PCI_ECAP_NEXT(hdr);
 		if (pos == 0U) {
 			break;
 		}
-
 		hdr = pci_pdev_read_cfg(pdev->bdf, pos, 4U);
 	};
 }
diff --git a/hypervisor/include/hw/pci.h b/hypervisor/include/hw/pci.h
index a79b73f8b..a4bc48be3 100644
--- a/hypervisor/include/hw/pci.h
+++ b/hypervisor/include/hw/pci.h
@@ -221,6 +221,8 @@ struct pci_msix_cap {
 struct pci_sriov_cap {
 	uint32_t  capoff;
 	uint32_t  caplen;
+	uint32_t  pre_pos;
+	bool hide_sriov;
 };
 
 struct pci_pdev {