diff mbox series

[v2,3/4] net/iavf_client: enable interrupt of control queue

Message ID 20210107074533.15465-4-jingjing.wu@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Qi Zhang
Headers show
Series introduce new iavf driver on vfio-user client | expand

Checks

Context Check Description
ci/checkpatch warning coding style issues

Commit Message

Jingjing Wu Jan. 7, 2021, 7:45 a.m. UTC
Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
---
 drivers/net/iavf/iavf_client_ethdev.c | 29 +++++++++++++++++++++------
 drivers/net/iavf/iavf_ethdev.c        |  9 +++------
 2 files changed, 26 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/iavf/iavf_client_ethdev.c b/drivers/net/iavf/iavf_client_ethdev.c
index 770a7a8200..27daaed0e8 100644
--- a/drivers/net/iavf/iavf_client_ethdev.c
+++ b/drivers/net/iavf/iavf_client_ethdev.c
@@ -59,6 +59,7 @@  iavf_client_vfio_user_setup(struct rte_eth_dev *dev, const char *path)
 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 	struct vfio_device *vfio_dev;
+	uint32_t max_fds, i;
 
 	vfio_dev = client_vfio_user_setup(path, dev->device->numa_node);
 	if (vfio_dev == NULL) {
@@ -87,11 +88,21 @@  iavf_client_vfio_user_setup(struct rte_eth_dev *dev, const char *path)
 		}
 
 	}
-
 	dev->intr_handle->fd = vfio_dev->irqfds[0];
 	dev->intr_handle->type = RTE_INTR_HANDLE_VDEV;
 	dev->intr_handle->max_intr = 1;
 
+	/* Assign rxq fds */
+	if (vfio_dev->nb_irqs > 1) {
+		max_fds = RTE_MIN((uint32_t)RTE_MAX_RXTX_INTR_VEC_ID,
+				  vfio_dev->nb_irqs - 1);
+		dev->intr_handle->nb_efd = max_fds;
+		for (i = 0; i < max_fds; ++i)
+			dev->intr_handle->efds[i] =
+				vfio_dev->irqfds[i + RTE_INTR_VEC_RXTX_OFFSET];
+		dev->intr_handle->efd_counter_size = 0;
+		dev->intr_handle->max_intr += max_fds;
+	}
 	return 0;
 }
 
@@ -108,8 +119,6 @@  avf_client_init_eth_ops(void)
 	iavf_client_eth_dev_ops.reta_query                 = NULL;
 	iavf_client_eth_dev_ops.rss_hash_update            = NULL;
 	iavf_client_eth_dev_ops.rss_hash_conf_get          = NULL;
-	iavf_client_eth_dev_ops.rx_queue_intr_enable       = NULL;
-	iavf_client_eth_dev_ops.rx_queue_intr_disable      = NULL;
 }
 
 #define IAVF_CLIENT_ALARM_INTERVAL 50000 /* us */
@@ -227,11 +236,12 @@  iavf_client_dev_close(struct rte_eth_dev *dev)
 	struct iavf_adapter *adapter =
 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	struct rte_intr_handle *intr_handle = dev->intr_handle;
 
 	if (adapter->intr_mode) {
 		iavf_disable_irq0(hw);
 		/* unregister callback func from eal lib */
-		rte_intr_callback_unregister(dev->intr_handle,
+		rte_intr_callback_unregister(intr_handle,
 					     iavf_client_event_handler, dev);
 	} else {
 		rte_eal_alarm_cancel(iavf_client_dev_alarm_handler, dev);
@@ -240,8 +250,15 @@  iavf_client_dev_close(struct rte_eth_dev *dev)
 	if (!adapter->stopped) {
 		iavf_stop_queues(dev);
 
-		if (dev->intr_handle) {
-			rte_free(dev->intr_handle);
+		if (intr_handle) {
+			/* Disable the interrupt for Rx */
+			rte_intr_efd_disable(intr_handle);
+			/* Rx interrupt vector mapping free */
+			if (intr_handle->intr_vec) {
+				rte_free(intr_handle->intr_vec);
+				intr_handle->intr_vec = NULL;
+			}
+			rte_free(intr_handle);
 			dev->intr_handle = NULL;
 		}
 
diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index bc07ecbed7..06395f852b 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -1368,11 +1368,10 @@  iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
 {
 	struct iavf_adapter *adapter =
 		IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
-	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
 	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
 	uint16_t msix_intr;
 
-	msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
+	msix_intr = dev->intr_handle->intr_vec[queue_id];
 	if (msix_intr == IAVF_MISC_VEC_ID) {
 		PMD_DRV_LOG(INFO, "MISC is also enabled for control");
 		IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
@@ -1387,10 +1386,9 @@  iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
 			       IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
 			       IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK);
 	}
-
 	IAVF_WRITE_FLUSH(hw);
 
-	rte_intr_ack(&pci_dev->intr_handle);
+	rte_intr_ack(dev->intr_handle);
 
 	return 0;
 }
@@ -1398,11 +1396,10 @@  iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
 static int
 iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
 {
-	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
 	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 	uint16_t msix_intr;
 
-	msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
+	msix_intr = dev->intr_handle->intr_vec[queue_id];
 	if (msix_intr == IAVF_MISC_VEC_ID) {
 		PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it");
 		return -EIO;