diff --git a/drivers/net/ethernet/intel/ixgbevf/defines.h b/drivers/net/ethernet/intel/ixgbevf/defines.h
index 770e21a..113efd2 100644
--- a/drivers/net/ethernet/intel/ixgbevf/defines.h
+++ b/drivers/net/ethernet/intel/ixgbevf/defines.h
@@ -239,6 +239,12 @@ struct ixgbe_adv_tx_context_desc {
 	__le32 mss_l4len_idx;
 };
 
+union ixgbevf_desc {
+	union ixgbe_adv_tx_desc rx_desc;
+	union ixgbe_adv_rx_desc tx_desc;
+	struct ixgbe_adv_tx_context_desc tx_context_desc;
+};
+
 /* Adv Transmit Descriptor Config Masks */
 #define IXGBE_ADVTXD_DTYP_MASK	0x00F00000 /* DTYP mask */
 #define IXGBE_ADVTXD_DTYP_CTXT	0x00200000 /* Advanced Context Desc */
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
index c823616..6eab402e 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
@@ -109,7 +109,7 @@ struct ixgbevf_ring {
 	struct ixgbevf_ring *next;
 	struct net_device *netdev;
 	struct device *dev;
-	void *desc;			/* descriptor ring memory */
+	union ixgbevf_desc *desc;	/* descriptor ring memory */
 	dma_addr_t dma;			/* phys. address of descriptor ring */
 	unsigned int size;		/* length in bytes */
 	u16 count;			/* amount of descriptors */
@@ -493,6 +493,11 @@ extern void ixgbevf_write_eitr(struct ixgbevf_q_vector *q_vector);
 
 void ixgbe_napi_add_all(struct ixgbevf_adapter *adapter);
 void ixgbe_napi_del_all(struct ixgbevf_adapter *adapter);
+int ixgbevf_tx_ring_shift(struct ixgbevf_ring *r, u32 head);
+int ixgbevf_rx_ring_shift(struct ixgbevf_ring *r, u32 head);
+void ixgbevf_restore_state(struct ixgbevf_adapter *adapter);
+inline void ixgbevf_irq_enable(struct ixgbevf_adapter *adapter);
+
 
 #ifdef DEBUG
 char *ixgbevf_get_hw_dev_name(struct ixgbe_hw *hw);
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 056841c..15ec361 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -91,6 +91,10 @@ MODULE_DESCRIPTION("Intel(R) 10 Gigabit Virtual Function Network Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
 
+
+#define MIGRATION_COMPLETED   0x00
+#define MIGRATION_IN_PROGRESS 0x01
+
 #define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK)
 static int debug = -1;
 module_param(debug, int, 0);
@@ -221,6 +225,78 @@ static u64 ixgbevf_get_tx_completed(struct ixgbevf_ring *ring)
 	return ring->stats.packets;
 }
 
+int ixgbevf_tx_ring_shift(struct ixgbevf_ring *r, u32 head)
+{
+	struct ixgbevf_tx_buffer *tx_buffer = NULL;
+	static union ixgbevf_desc *tx_desc = NULL;
+
+	tx_buffer = vmalloc(sizeof(struct ixgbevf_tx_buffer) * (r->count));
+	if (!tx_buffer)
+		return -ENOMEM;
+
+	tx_desc = vmalloc(sizeof(union ixgbevf_desc) * r->count);
+	if (!tx_desc)
+		return -ENOMEM;
+
+	memcpy(tx_desc, r->desc, sizeof(union ixgbevf_desc) * r->count);
+	memcpy(r->desc, &tx_desc[head], sizeof(union ixgbevf_desc) * (r->count - head));
+	memcpy(&r->desc[r->count - head], tx_desc, sizeof(union ixgbevf_desc) * head);
+
+	memcpy(tx_buffer, r->tx_buffer_info, sizeof(struct ixgbevf_tx_buffer) * r->count);
+	memcpy(r->tx_buffer_info, &tx_buffer[head], sizeof(struct ixgbevf_tx_buffer) * (r->count - head));
+	memcpy(&r->tx_buffer_info[r->count - head], tx_buffer, sizeof(struct ixgbevf_tx_buffer) * head);
+
+	if (r->next_to_clean >= head)
+		r->next_to_clean -= head;
+	else
+		r->next_to_clean += (r->count - head);
+
+	if (r->next_to_use >= head)
+		r->next_to_use -= head;
+	else
+		r->next_to_use += (r->count - head);
+
+	vfree(tx_buffer);
+	vfree(tx_desc);
+	return 0;
+}
+
+int ixgbevf_rx_ring_shift(struct ixgbevf_ring *r, u32 head)
+{
+	struct ixgbevf_rx_buffer *rx_buffer = NULL;
+	static union ixgbevf_desc *rx_desc = NULL;
+
+	rx_buffer = vmalloc(sizeof(struct ixgbevf_rx_buffer) * (r->count));
+	if (!rx_buffer)
+		return -ENOMEM;
+
+	rx_desc = vmalloc(sizeof(union ixgbevf_desc) * (r->count));
+	if (!rx_desc)
+		return -ENOMEM;
+
+	memcpy(rx_desc, r->desc, sizeof(union ixgbevf_desc) * (r->count));
+	memcpy(r->desc, &rx_desc[head], sizeof(union ixgbevf_desc) * (r->count - head));
+	memcpy(&r->desc[r->count - head], rx_desc, sizeof(union ixgbevf_desc) * head);
+
+	memcpy(rx_buffer, r->rx_buffer_info, sizeof(struct ixgbevf_rx_buffer) * (r->count));
+	memcpy(r->rx_buffer_info, &rx_buffer[head], sizeof(struct ixgbevf_rx_buffer) * (r->count - head));
+	memcpy(&r->rx_buffer_info[r->count - head], rx_buffer, sizeof(struct ixgbevf_rx_buffer) * head);
+
+	if (r->next_to_clean >= head)
+		r->next_to_clean -= head;
+	else
+		r->next_to_clean += (r->count - head);
+
+	if (r->next_to_use >= head)
+		r->next_to_use -= head;
+	else
+		r->next_to_use += (r->count - head);
+
+	vfree(rx_buffer);
+	vfree(rx_desc);
+	return 0;
+}
+
 static u32 ixgbevf_get_tx_pending(struct ixgbevf_ring *ring)
 {
 	struct ixgbevf_adapter *adapter = netdev_priv(ring->netdev);
@@ -1122,7 +1198,7 @@ static int ixgbevf_busy_poll_recv(struct napi_struct *napi)
  * ixgbevf_configure_msix sets up the hardware to properly generate MSI-X
  * interrupts.
  **/
-static void ixgbevf_configure_msix(struct ixgbevf_adapter *adapter)
+static  void ixgbevf_configure_msix(struct ixgbevf_adapter *adapter)
 {
 	struct ixgbevf_q_vector *q_vector;
 	int q_vectors, v_idx;
@@ -1534,7 +1610,7 @@ static inline void ixgbevf_irq_disable(struct ixgbevf_adapter *adapter)
  * ixgbevf_irq_enable - Enable default interrupt generation settings
  * @adapter: board private structure
  **/
-static inline void ixgbevf_irq_enable(struct ixgbevf_adapter *adapter)
+inline void ixgbevf_irq_enable(struct ixgbevf_adapter *adapter)
 {
 	struct ixgbe_hw *hw = &adapter->hw;
 
@@ -2901,6 +2977,36 @@ static void ixgbevf_watchdog_subtask(struct ixgbevf_adapter *adapter)
 	ixgbevf_update_stats(adapter);
 }
 
+int ixgbevf_live_mg(struct ixgbevf_adapter *adapter)
+{
+	struct pci_dev *pdev = adapter->pdev;
+ 	static int migration_status = MIGRATION_COMPLETED;
+	u8 val;
+
+	if (migration_status == MIGRATION_COMPLETED) {
+		pci_read_config_byte(pdev, 0xf0, &val);
+		if (!val)
+			return 0;
+
+		del_timer_sync(&adapter->service_timer);
+		pr_info("migration start\n");
+		migration_status = MIGRATION_IN_PROGRESS; 
+
+		/* Tell Qemu VF is ready for migration. */
+		pci_write_config_byte(pdev, 0xf1, 0x1);
+		return 1;
+	} else {
+		pci_read_config_byte(pdev, 0xf0, &val);
+		if (val)
+			return 1;
+
+		ixgbevf_restore_state(adapter);
+		migration_status = MIGRATION_COMPLETED;
+		pr_info("migration end\n");
+		return 0;
+	}
+}
+
 /**
  * ixgbevf_service_task - manages and runs subtasks
  * @work: pointer to work_struct containing our data
@@ -2912,6 +3018,11 @@ static void ixgbevf_service_task(struct work_struct *work)
 						       service_task);
 	struct ixgbe_hw *hw = &adapter->hw;
 
+	if (ixgbevf_live_mg(adapter)) {
+		ixgbevf_service_event_complete(adapter);
+		return;
+	}
+
 	if (IXGBE_REMOVED(hw->hw_addr)) {
 		if (!test_bit(__IXGBEVF_DOWN, &adapter->state)) {
 			rtnl_lock();
diff --git a/drivers/net/ethernet/intel/ixgbevf/self-emulation.c b/drivers/net/ethernet/intel/ixgbevf/self-emulation.c
index d74b2da..4476428 100644
--- a/drivers/net/ethernet/intel/ixgbevf/self-emulation.c
+++ b/drivers/net/ethernet/intel/ixgbevf/self-emulation.c
@@ -9,6 +9,8 @@
 
 static u32 hw_regs[0x4000];
 
+#define RESTORE_REG(hw, reg) IXGBE_WRITE_REG(hw, reg, hw_regs[reg])
+
 u32 ixgbe_self_emul_readl(volatile void __iomem *base, u32 addr)
 {
 	u32 tmp;
@@ -24,3 +26,108 @@ void ixgbe_self_emul_writel(u32 val, volatile void __iomem *base, u32  addr)
 	hw_regs[(unsigned long)addr] = val;
 	writel(val, (volatile void __iomem *)(base + addr));
 }
+
+static u32 restore_regs[] = {
+	IXGBE_VTIVAR(0),
+	IXGBE_VTIVAR(1),
+	IXGBE_VTIVAR(2),
+	IXGBE_VTIVAR(3),
+	IXGBE_VTIVAR_MISC,
+	IXGBE_VTEITR(0),
+	IXGBE_VTEITR(1),
+	IXGBE_VFPSRTYPE,
+};
+
+void ixgbevf_restore_state(struct ixgbevf_adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+	struct ixgbe_mbx_info *mbx = &hw->mbx;
+	int i;
+	u32 timeout = IXGBE_VF_INIT_TIMEOUT, rdh, tdh, 	rxdctl, txdctl;
+	u32 wait_loop = 10;
+
+	/* VF resetting */
+	IXGBE_WRITE_REG(hw, IXGBE_VFCTRL, IXGBE_CTRL_RST);
+	IXGBE_WRITE_FLUSH(hw);
+
+	while (!mbx->ops.check_for_rst(hw) && timeout) {
+		timeout--;
+		udelay(5);
+	}
+	if (!timeout)
+		printk(KERN_ERR "[IXGBEVF] Unable to reset VF.\n");
+
+	/* Restoring VF status in the status */
+	hw->mac.ops.notify_resume(hw);
+
+	/* Restoring regs value */
+	for (i = 0; i < sizeof(restore_regs)/sizeof(u32); i++)
+		writel(hw_regs[restore_regs[i]], (volatile void *)(restore_regs[i] + hw->hw_addr));
+
+	/* Restoring rx ring */
+	for (i = 0; i < adapter->num_rx_queues; i++) {
+		if (hw_regs[IXGBE_VFRXDCTL(i)] & IXGBE_RXDCTL_ENABLE) {
+			RESTORE_REG(hw, IXGBE_VFRDBAL(i));
+			RESTORE_REG(hw, IXGBE_VFRDBAH(i));
+			RESTORE_REG(hw, IXGBE_VFRDLEN(i));
+			RESTORE_REG(hw, IXGBE_VFDCA_RXCTRL(i));
+			RESTORE_REG(hw, IXGBE_VFSRRCTL(i));
+
+			rdh = adapter->rx_ring[i]->next_to_clean;
+			while (IXGBEVF_RX_DESC(adapter->rx_ring[i], rdh)->wb.upper.status_error
+			       & cpu_to_le32(IXGBE_RXD_STAT_DD))
+				rdh = (rdh + 1) % adapter->rx_ring[i]->count;
+
+			ixgbevf_rx_ring_shift(adapter->rx_ring[i], rdh);
+
+			wait_loop = 10;
+			RESTORE_REG(hw, IXGBE_VFRXDCTL(i));
+			do {
+				udelay(10);
+				rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
+			} while (--wait_loop && !(rxdctl & IXGBE_RXDCTL_ENABLE));
+
+			if (!wait_loop)
+				pr_err("RXDCTL.ENABLE queue %d not cleared while polling\n",
+				       i);
+
+			IXGBE_WRITE_REG(hw, IXGBE_VFRDT(i), adapter->rx_ring[i]->next_to_use);
+		}
+	}
+
+	/* Restoring tx ring */
+	for (i = 0; i < adapter->num_tx_queues; i++) {
+		if (hw_regs[IXGBE_VFTXDCTL(i)] & IXGBE_TXDCTL_ENABLE) {
+			RESTORE_REG(hw, IXGBE_VFTDBAL(i));
+			RESTORE_REG(hw, IXGBE_VFTDBAH(i));
+			RESTORE_REG(hw, IXGBE_VFTDLEN(i));
+			RESTORE_REG(hw, IXGBE_VFDCA_TXCTRL(i));
+
+			tdh = adapter->tx_ring[i]->next_to_clean;
+			while (IXGBEVF_TX_DESC(adapter->tx_ring[i], tdh)->wb.status
+			       & cpu_to_le32(IXGBE_TXD_STAT_DD))
+				tdh = (tdh + 1) % adapter->rx_ring[i]->count;
+			ixgbevf_tx_ring_shift(adapter->tx_ring[i], tdh);
+
+			wait_loop = 10;
+			RESTORE_REG(hw, IXGBE_VFTXDCTL(i));
+			do {
+				udelay(2000);
+				txdctl = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
+			} while (--wait_loop && !(txdctl & IXGBE_TXDCTL_ENABLE));
+
+			if (!wait_loop)
+				pr_err("Could not enable Tx Queue %d\n", i);
+	
+			IXGBE_WRITE_REG(hw, IXGBE_VFTDT(i), adapter->tx_ring[i]->next_to_use);
+		}
+	}
+
+	/* Restore irq */
+	IXGBE_WRITE_REG(hw, IXGBE_VTEIMS, hw_regs[IXGBE_VTEIMS] & 0x7);
+	IXGBE_WRITE_REG(hw, IXGBE_VTEIMC, (~hw_regs[IXGBE_VTEIMS]) & 0x7);
+	IXGBE_WRITE_REG(hw, IXGBE_VTEICS, hw_regs[IXGBE_VTEICS]);
+
+	ixgbevf_irq_enable(adapter);
+}
+
