New upstream version 17.11-rc3

[deb_dpdk.git] / drivers / net / vhost / rte_eth_vhost.c

diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c
index 0dac5e6..2536ee4 100644 (file)
--- a/drivers/net/vhost/rte_eth_vhost.c
+++ b/drivers/net/vhost/rte_eth_vhost.c
@@ -39,7 +39,7 @@
 #include <rte_ethdev_vdev.h>
 #include <rte_malloc.h>
 #include <rte_memcpy.h>
-#include <rte_vdev.h>
+#include <rte_bus_vdev.h>
 #include <rte_kvargs.h>
 #include <rte_vhost.h>
 #include <rte_spinlock.h>
@@ -52,6 +52,7 @@ enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM};
 #define ETH_VHOST_QUEUES_ARG           "queues"
 #define ETH_VHOST_CLIENT_ARG           "client"
 #define ETH_VHOST_DEQUEUE_ZERO_COPY    "dequeue-zero-copy"
+#define ETH_VHOST_IOMMU_SUPPORT                "iommu-support"
 #define VHOST_MAX_PKT_BURST 32
 
 static const char *valid_arguments[] = {
@@ -59,6 +60,7 @@ static const char *valid_arguments[] = {
        ETH_VHOST_QUEUES_ARG,
        ETH_VHOST_CLIENT_ARG,
        ETH_VHOST_DEQUEUE_ZERO_COPY,
+       ETH_VHOST_IOMMU_SUPPORT,
        NULL
 };
 
@@ -105,7 +107,7 @@ struct vhost_queue {
        rte_atomic32_t while_queuing;
        struct pmd_internal *internal;
        struct rte_mempool *mb_pool;
-       uint8_t port;
+       uint16_t port;
        uint16_t virtqueue_id;
        struct vhost_stats stats;
 };
@@ -705,7 +707,7 @@ static struct vhost_device_ops vhost_ops = {
 };
 
 int
-rte_eth_vhost_get_queue_event(uint8_t port_id,
+rte_eth_vhost_get_queue_event(uint16_t port_id,
                struct rte_eth_vhost_queue_event *event)
 {
        struct rte_vhost_vring_state *state;
@@ -742,7 +744,7 @@ rte_eth_vhost_get_queue_event(uint8_t port_id,
 }
 
 int
-rte_eth_vhost_get_vid_from_port_id(uint8_t port_id)
+rte_eth_vhost_get_vid_from_port_id(uint16_t port_id)
 {
        struct internal_list *list;
        struct rte_eth_dev *eth_dev;
@@ -890,7 +892,7 @@ eth_dev_info(struct rte_eth_dev *dev,
        dev_info->min_rx_bufsize = 0;
 }
 
-static void
+static int
 eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 {
        unsigned i;
@@ -928,6 +930,8 @@ eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
        stats->oerrors = tx_missed_total;
        stats->ibytes = rx_total_bytes;
        stats->obytes = tx_total_bytes;
+
+       return 0;
 }
 
 static void
@@ -1084,8 +1088,7 @@ eth_dev_vhost_create(struct rte_vdev_device *dev, char *iface_name,
        internal->max_queues = queues;
        data->dev_link = pmd_link;
        data->mac_addrs = eth_addr;
-       data->dev_flags =
-               RTE_ETH_DEV_DETACHABLE | RTE_ETH_DEV_INTR_LSC;
+       data->dev_flags = RTE_ETH_DEV_INTR_LSC;
 
        eth_dev->dev_ops = &ops;
 
@@ -1163,6 +1166,7 @@ rte_pmd_vhost_probe(struct rte_vdev_device *dev)
        uint64_t flags = 0;
        int client_mode = 0;
        int dequeue_zero_copy = 0;
+       int iommu_support = 0;
 
        RTE_LOG(INFO, PMD, "Initializing pmd_vhost for %s\n",
                rte_vdev_device_name(dev));
@@ -1210,6 +1214,16 @@ rte_pmd_vhost_probe(struct rte_vdev_device *dev)
                        flags |= RTE_VHOST_USER_DEQUEUE_ZERO_COPY;
        }
 
+       if (rte_kvargs_count(kvlist, ETH_VHOST_IOMMU_SUPPORT) == 1) {
+               ret = rte_kvargs_process(kvlist, ETH_VHOST_IOMMU_SUPPORT,
+                                        &open_int, &iommu_support);
+               if (ret < 0)
+                       goto out_free;
+
+               if (iommu_support)
+                       flags |= RTE_VHOST_USER_IOMMU_SUPPORT;
+       }
+
        if (dev->device.numa_node == SOCKET_ID_ANY)
                dev->device.numa_node = rte_socket_id();