diff --git a/hypervisor/arch/x86/configs/apl-mrb/board.c b/hypervisor/arch/x86/configs/apl-mrb/board.c
index f8d343fab..33420543c 100644
--- a/hypervisor/arch/x86/configs/apl-mrb/board.c
+++ b/hypervisor/arch/x86/configs/apl-mrb/board.c
@@ -30,3 +30,4 @@ const union pci_bdf plat_hidden_pdevs[MAX_HIDDEN_PDEVS_NUM] = {
                .bits.f = 0x0U,
        },
 };
+const struct vmsix_on_msi_info vmsix_on_msi_devs[MAX_VMSIX_ON_MSI_PDEVS_NUM];
diff --git a/hypervisor/arch/x86/configs/apl-mrb/misc_cfg.h b/hypervisor/arch/x86/configs/apl-mrb/misc_cfg.h
index bd512c653..75500ce4f 100644
--- a/hypervisor/arch/x86/configs/apl-mrb/misc_cfg.h
+++ b/hypervisor/arch/x86/configs/apl-mrb/misc_cfg.h
@@ -9,6 +9,7 @@
 
 #define MAX_PCPU_NUM	4U
 #define MAX_PLATFORM_CLOS_NUM	0U
+#define MAX_VMSIX_ON_MSI_PDEVS_NUM 0U
 
 #define ROOTFS_0		"root=/dev/sda3 "
 #define ROOTFS_1		"root=/dev/mmcblk1p1 "
diff --git a/hypervisor/arch/x86/configs/apl-up2/board.c b/hypervisor/arch/x86/configs/apl-up2/board.c
index 0bed8032d..53de60791 100644
--- a/hypervisor/arch/x86/configs/apl-up2/board.c
+++ b/hypervisor/arch/x86/configs/apl-up2/board.c
@@ -48,3 +48,4 @@ const union pci_bdf plat_hidden_pdevs[MAX_HIDDEN_PDEVS_NUM] = {
 		.bits.f = 0x0,
 	},
 };
+const struct vmsix_on_msi_info vmsix_on_msi_devs[MAX_VMSIX_ON_MSI_PDEVS_NUM];
diff --git a/hypervisor/arch/x86/configs/apl-up2/misc_cfg.h b/hypervisor/arch/x86/configs/apl-up2/misc_cfg.h
index 2819ee866..a45c8f2e0 100644
--- a/hypervisor/arch/x86/configs/apl-up2/misc_cfg.h
+++ b/hypervisor/arch/x86/configs/apl-up2/misc_cfg.h
@@ -9,6 +9,7 @@
 
 #define MAX_PCPU_NUM	4U
 #define MAX_PLATFORM_CLOS_NUM	4U
+#define MAX_VMSIX_ON_MSI_PDEVS_NUM 0U
 
 #define ROOTFS_0		"root=/dev/sda3 "
 #define ROOTFS_1		"root=/dev/mmcblk0p3 "
diff --git a/hypervisor/arch/x86/configs/dnv-cb2/board.c b/hypervisor/arch/x86/configs/dnv-cb2/board.c
index 65fa4cbfc..42db3cb2c 100644
--- a/hypervisor/arch/x86/configs/dnv-cb2/board.c
+++ b/hypervisor/arch/x86/configs/dnv-cb2/board.c
@@ -23,3 +23,4 @@ struct platform_clos_info platform_mba_clos_array[MAX_PLATFORM_CLOS_NUM];
 
 const struct cpu_state_table board_cpu_state_tbl;
 const union pci_bdf plat_hidden_pdevs[MAX_HIDDEN_PDEVS_NUM];
+const struct vmsix_on_msi_info vmsix_on_msi_devs[MAX_VMSIX_ON_MSI_PDEVS_NUM];
diff --git a/hypervisor/arch/x86/configs/dnv-cb2/misc_cfg.h b/hypervisor/arch/x86/configs/dnv-cb2/misc_cfg.h
index 4cc4ed398..bbdb0ab6a 100644
--- a/hypervisor/arch/x86/configs/dnv-cb2/misc_cfg.h
+++ b/hypervisor/arch/x86/configs/dnv-cb2/misc_cfg.h
@@ -9,6 +9,7 @@
 
 #define MAX_PCPU_NUM	8U
 #define MAX_PLATFORM_CLOS_NUM	0U
+#define MAX_VMSIX_ON_MSI_PDEVS_NUM	0U
 
 #define ROOTFS_0		"root=/dev/sda3 "
 
diff --git a/hypervisor/arch/x86/configs/generic/board.c b/hypervisor/arch/x86/configs/generic/board.c
index 65fa4cbfc..42db3cb2c 100644
--- a/hypervisor/arch/x86/configs/generic/board.c
+++ b/hypervisor/arch/x86/configs/generic/board.c
@@ -23,3 +23,4 @@ struct platform_clos_info platform_mba_clos_array[MAX_PLATFORM_CLOS_NUM];
 
 const struct cpu_state_table board_cpu_state_tbl;
 const union pci_bdf plat_hidden_pdevs[MAX_HIDDEN_PDEVS_NUM];
+const struct vmsix_on_msi_info vmsix_on_msi_devs[MAX_VMSIX_ON_MSI_PDEVS_NUM];
diff --git a/hypervisor/arch/x86/configs/generic/misc_cfg.h b/hypervisor/arch/x86/configs/generic/misc_cfg.h
index 15773a97b..c366d91b0 100644
--- a/hypervisor/arch/x86/configs/generic/misc_cfg.h
+++ b/hypervisor/arch/x86/configs/generic/misc_cfg.h
@@ -9,6 +9,7 @@
 
 #define MAX_PCPU_NUM	4U
 #define MAX_PLATFORM_CLOS_NUM	0U
+#define MAX_VMSIX_ON_MSI_PDEVS_NUM	0U
 
 #define ROOTFS_0		"root=/dev/sda3 "
 #define ROOTFS_1		"root=/dev/mmcblk0p1 "
diff --git a/hypervisor/arch/x86/configs/icl-rvp/board.c b/hypervisor/arch/x86/configs/icl-rvp/board.c
index 65fa4cbfc..42db3cb2c 100644
--- a/hypervisor/arch/x86/configs/icl-rvp/board.c
+++ b/hypervisor/arch/x86/configs/icl-rvp/board.c
@@ -23,3 +23,4 @@ struct platform_clos_info platform_mba_clos_array[MAX_PLATFORM_CLOS_NUM];
 
 const struct cpu_state_table board_cpu_state_tbl;
 const union pci_bdf plat_hidden_pdevs[MAX_HIDDEN_PDEVS_NUM];
+const struct vmsix_on_msi_info vmsix_on_msi_devs[MAX_VMSIX_ON_MSI_PDEVS_NUM];
diff --git a/hypervisor/arch/x86/configs/nuc6cayh/board.c b/hypervisor/arch/x86/configs/nuc6cayh/board.c
index 65fa4cbfc..42db3cb2c 100644
--- a/hypervisor/arch/x86/configs/nuc6cayh/board.c
+++ b/hypervisor/arch/x86/configs/nuc6cayh/board.c
@@ -23,3 +23,4 @@ struct platform_clos_info platform_mba_clos_array[MAX_PLATFORM_CLOS_NUM];
 
 const struct cpu_state_table board_cpu_state_tbl;
 const union pci_bdf plat_hidden_pdevs[MAX_HIDDEN_PDEVS_NUM];
+const struct vmsix_on_msi_info vmsix_on_msi_devs[MAX_VMSIX_ON_MSI_PDEVS_NUM];
diff --git a/hypervisor/arch/x86/configs/nuc6cayh/misc_cfg.h b/hypervisor/arch/x86/configs/nuc6cayh/misc_cfg.h
index fa09dc7f9..7333e93c3 100644
--- a/hypervisor/arch/x86/configs/nuc6cayh/misc_cfg.h
+++ b/hypervisor/arch/x86/configs/nuc6cayh/misc_cfg.h
@@ -9,6 +9,7 @@
 
 #define MAX_PCPU_NUM	4U
 #define MAX_PLATFORM_CLOS_NUM	0U
+#define MAX_VMSIX_ON_MSI_PDEVS_NUM	0U
 
 #define ROOTFS_0		"root=/dev/sda3 "
 
diff --git a/hypervisor/arch/x86/configs/nuc7i7dnb/board.c b/hypervisor/arch/x86/configs/nuc7i7dnb/board.c
index e68bbacc6..43a58e7e8 100644
--- a/hypervisor/arch/x86/configs/nuc7i7dnb/board.c
+++ b/hypervisor/arch/x86/configs/nuc7i7dnb/board.c
@@ -64,3 +64,4 @@ struct platform_clos_info platform_mba_clos_array[MAX_PLATFORM_CLOS_NUM];
 
 const struct cpu_state_table board_cpu_state_tbl;
 const union pci_bdf plat_hidden_pdevs[MAX_HIDDEN_PDEVS_NUM];
+const struct vmsix_on_msi_info vmsix_on_msi_devs[MAX_VMSIX_ON_MSI_PDEVS_NUM];
diff --git a/hypervisor/arch/x86/configs/nuc7i7dnb/misc_cfg.h b/hypervisor/arch/x86/configs/nuc7i7dnb/misc_cfg.h
index 3b4a1555c..91b730318 100644
--- a/hypervisor/arch/x86/configs/nuc7i7dnb/misc_cfg.h
+++ b/hypervisor/arch/x86/configs/nuc7i7dnb/misc_cfg.h
@@ -9,6 +9,7 @@
 
 #define MAX_PCPU_NUM	4U
 #define MAX_PLATFORM_CLOS_NUM	0U
+#define MAX_VMSIX_ON_MSI_PDEVS_NUM	0U
 
 #define ROOTFS_0		"root=/dev/sda3 "
 #define ROOTFS_1		"root=/dev/nvme0n1p3 "
diff --git a/hypervisor/arch/x86/configs/whl-ipc-i5/board.c b/hypervisor/arch/x86/configs/whl-ipc-i5/board.c
index 92c4f5651..10729c008 100644
--- a/hypervisor/arch/x86/configs/whl-ipc-i5/board.c
+++ b/hypervisor/arch/x86/configs/whl-ipc-i5/board.c
@@ -96,3 +96,4 @@ const struct cpu_state_table board_cpu_state_tbl = {
 	(uint8_t)ARRAY_SIZE(board_cpu_cx), board_cpu_cx}
 };
 const union pci_bdf plat_hidden_pdevs[MAX_HIDDEN_PDEVS_NUM];
+const struct vmsix_on_msi_info vmsix_on_msi_devs[MAX_VMSIX_ON_MSI_PDEVS_NUM];
diff --git a/hypervisor/arch/x86/configs/whl-ipc-i5/misc_cfg.h b/hypervisor/arch/x86/configs/whl-ipc-i5/misc_cfg.h
index fb05eacd6..f2af2dd4f 100644
--- a/hypervisor/arch/x86/configs/whl-ipc-i5/misc_cfg.h
+++ b/hypervisor/arch/x86/configs/whl-ipc-i5/misc_cfg.h
@@ -10,6 +10,7 @@
 
 #define MAX_PCPU_NUM		4U
 #define MAX_PLATFORM_CLOS_NUM	0U
+#define MAX_VMSIX_ON_MSI_PDEVS_NUM	0U
 
 #define ROOTFS_0		"root=/dev/nvme0n1p3 "
 #define ROOTFS_1		"root=/dev/sda3 "
diff --git a/hypervisor/include/arch/x86/board.h b/hypervisor/include/arch/x86/board.h
index 75ded9e16..0c73d0822 100644
--- a/hypervisor/include/arch/x86/board.h
+++ b/hypervisor/include/arch/x86/board.h
@@ -20,6 +20,11 @@ struct platform_clos_info {
 	uint32_t msr_index;
 };
 
+struct vmsix_on_msi_info {
+	union pci_bdf bdf;
+	uint64_t mmio_base;
+};
+
 extern struct dmar_info plat_dmar_info;
 
 #ifdef CONFIG_RDT_ENABLED
@@ -30,5 +35,6 @@ extern struct platform_clos_info platform_mba_clos_array[MAX_PLATFORM_CLOS_NUM];
 
 extern const struct cpu_state_table board_cpu_state_tbl;
 extern const union pci_bdf plat_hidden_pdevs[MAX_HIDDEN_PDEVS_NUM];
+extern const struct vmsix_on_msi_info vmsix_on_msi_devs[MAX_VMSIX_ON_MSI_PDEVS_NUM];
 
 #endif /* BOARD_H */