hv: msix: fix bug when check if msix table access

The offset calculation should base on the MSI-x BAR address, not MSIX-table address.

Tracked-On: #1946
Signed-off-by: Binbin Wu <binbin.wu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>

Author: binbinwu1

hypervisor/dm/vpci/msix.c

@@ -265,7 +265,7 @@ static int vmsix_table_mmio_access_handler(struct io_request *io_req, void *hand
 	uint64_t hva;
 
 	vdev = (struct pci_vdev *)handler_private_data;
-	offset = mmio->address - vdev->msix.intercepted_gpa;
+	offset = mmio->address - vdev->msix.mmio_gpa;
 
 	if (msixtable_access(vdev, (uint32_t)offset)) {
 		vmsix_table_rw(vdev, mmio, (uint32_t)offset);