New upstream version 17.11.3
[deb_dpdk.git] / drivers / net / mlx5 / mlx5.c
index 45e0e8d..10ce335 100644 (file)
@@ -39,6 +39,7 @@
 #include <stdlib.h>
 #include <errno.h>
 #include <net/if.h>
+#include <sys/mman.h>
 
 /* Verbs header. */
 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
@@ -56,6 +57,7 @@
 #include <rte_pci.h>
 #include <rte_bus_pci.h>
 #include <rte_common.h>
+#include <rte_eal_memconfig.h>
 #include <rte_kvargs.h>
 
 #include "mlx5.h"
@@ -117,6 +119,10 @@ struct mlx5_args {
        int tx_vec_en;
        int rx_vec_en;
 };
+
+/** Driver-specific log messages type. */
+int mlx5_logtype;
+
 /**
  * Retrieve integer value from environment variable.
  *
@@ -148,7 +154,7 @@ mlx5_getenv_int(const char *name)
  *   A pointer to the callback data.
  *
  * @return
- *   a pointer to the allocate space.
+ *   Allocated buffer, NULL otherwise and rte_errno is set.
  */
 static void *
 mlx5_alloc_verbs_buf(size_t size, void *data)
@@ -156,11 +162,22 @@ mlx5_alloc_verbs_buf(size_t size, void *data)
        struct priv *priv = data;
        void *ret;
        size_t alignment = sysconf(_SC_PAGESIZE);
+       unsigned int socket = SOCKET_ID_ANY;
+
+       if (priv->verbs_alloc_ctx.type == MLX5_VERBS_ALLOC_TYPE_TX_QUEUE) {
+               const struct mlx5_txq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
+
+               socket = ctrl->socket;
+       } else if (priv->verbs_alloc_ctx.type ==
+                  MLX5_VERBS_ALLOC_TYPE_RX_QUEUE) {
+               const struct mlx5_rxq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
 
+               socket = ctrl->socket;
+       }
        assert(data != NULL);
-       ret = rte_malloc_socket(__func__, size, alignment,
-                               priv->dev->device->numa_node);
-       DEBUG("Extern alloc size: %lu, align: %lu: %p", size, alignment, ret);
+       ret = rte_malloc_socket(__func__, size, alignment, socket);
+       if (!ret && size)
+               rte_errno = ENOMEM;
        return ret;
 }
 
@@ -176,7 +193,6 @@ static void
 mlx5_free_verbs_buf(void *ptr, void *data __rte_unused)
 {
        assert(data != NULL);
-       DEBUG("Extern free request: %p", ptr);
        rte_free(ptr);
 }
 
@@ -191,17 +207,16 @@ mlx5_free_verbs_buf(void *ptr, void *data __rte_unused)
 static void
 mlx5_dev_close(struct rte_eth_dev *dev)
 {
-       struct priv *priv = mlx5_get_priv(dev);
+       struct priv *priv = dev->data->dev_private;
        unsigned int i;
        int ret;
 
-       priv_lock(priv);
-       DEBUG("%p: closing device \"%s\"",
-             (void *)dev,
-             ((priv->ctx != NULL) ? priv->ctx->device->name : ""));
+       DRV_LOG(DEBUG, "port %u closing device \"%s\"",
+               dev->data->port_id,
+               ((priv->ctx != NULL) ? priv->ctx->device->name : ""));
        /* In case mlx5_dev_stop() has not been called. */
-       priv_dev_interrupt_handler_uninstall(priv, dev);
-       priv_dev_traffic_disable(priv, dev);
+       mlx5_dev_interrupt_handler_uninstall(dev);
+       mlx5_traffic_disable(dev);
        /* Prevent crashes when queues are still in use. */
        dev->rx_pkt_burst = removed_rx_burst;
        dev->tx_pkt_burst = removed_tx_burst;
@@ -209,7 +224,7 @@ mlx5_dev_close(struct rte_eth_dev *dev)
                /* XXX race condition if mlx5_rx_burst() is still running. */
                usleep(1000);
                for (i = 0; (i != priv->rxqs_n); ++i)
-                       mlx5_priv_rxq_release(priv, i);
+                       mlx5_rxq_release(dev, i);
                priv->rxqs_n = 0;
                priv->rxqs = NULL;
        }
@@ -217,7 +232,7 @@ mlx5_dev_close(struct rte_eth_dev *dev)
                /* XXX race condition if mlx5_tx_burst() is still running. */
                usleep(1000);
                for (i = 0; (i != priv->txqs_n); ++i)
-                       mlx5_priv_txq_release(priv, i);
+                       mlx5_txq_release(dev, i);
                priv->txqs_n = 0;
                priv->txqs = NULL;
        }
@@ -231,32 +246,40 @@ mlx5_dev_close(struct rte_eth_dev *dev)
                rte_free(priv->rss_conf.rss_key);
        if (priv->reta_idx != NULL)
                rte_free(priv->reta_idx);
-       priv_socket_uninit(priv);
-       ret = mlx5_priv_hrxq_ibv_verify(priv);
+       if (priv->primary_socket)
+               mlx5_socket_uninit(dev);
+       ret = mlx5_hrxq_ibv_verify(dev);
        if (ret)
-               WARN("%p: some Hash Rx queue still remain", (void *)priv);
-       ret = mlx5_priv_ind_table_ibv_verify(priv);
+               DRV_LOG(WARNING, "port %u some hash Rx queue still remain",
+                       dev->data->port_id);
+       ret = mlx5_ind_table_ibv_verify(dev);
        if (ret)
-               WARN("%p: some Indirection table still remain", (void *)priv);
-       ret = mlx5_priv_rxq_ibv_verify(priv);
+               DRV_LOG(WARNING, "port %u some indirection table still remain",
+                       dev->data->port_id);
+       ret = mlx5_rxq_ibv_verify(dev);
        if (ret)
-               WARN("%p: some Verbs Rx queue still remain", (void *)priv);
-       ret = mlx5_priv_rxq_verify(priv);
+               DRV_LOG(WARNING, "port %u some Verbs Rx queue still remain",
+                       dev->data->port_id);
+       ret = mlx5_rxq_verify(dev);
        if (ret)
-               WARN("%p: some Rx Queues still remain", (void *)priv);
-       ret = mlx5_priv_txq_ibv_verify(priv);
+               DRV_LOG(WARNING, "port %u some Rx queues still remain",
+                       dev->data->port_id);
+       ret = mlx5_txq_ibv_verify(dev);
        if (ret)
-               WARN("%p: some Verbs Tx queue still remain", (void *)priv);
-       ret = mlx5_priv_txq_verify(priv);
+               DRV_LOG(WARNING, "port %u some Verbs Tx queue still remain",
+                       dev->data->port_id);
+       ret = mlx5_txq_verify(dev);
        if (ret)
-               WARN("%p: some Tx Queues still remain", (void *)priv);
-       ret = priv_flow_verify(priv);
+               DRV_LOG(WARNING, "port %u some Tx queues still remain",
+                       dev->data->port_id);
+       ret = mlx5_flow_verify(dev);
        if (ret)
-               WARN("%p: some flows still remain", (void *)priv);
-       ret = priv_mr_verify(priv);
+               DRV_LOG(WARNING, "port %u some flows still remain",
+                       dev->data->port_id);
+       ret = mlx5_mr_verify(dev);
        if (ret)
-               WARN("%p: some Memory Region still remain", (void *)priv);
-       priv_unlock(priv);
+               DRV_LOG(WARNING, "port %u some memory region still remain",
+                       dev->data->port_id);
        memset(priv, 0, sizeof(*priv));
 }
 
@@ -394,7 +417,7 @@ mlx5_dev_idx(struct rte_pci_addr *pci_addr)
  *   User data.
  *
  * @return
- *   0 on success, negative errno value on failure.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
 mlx5_args_check(const char *key, const char *val, void *opaque)
@@ -405,8 +428,9 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
        errno = 0;
        tmp = strtoul(val, NULL, 0);
        if (errno) {
-               WARN("%s: \"%s\" is not a valid integer", key, val);
-               return errno;
+               rte_errno = errno;
+               DRV_LOG(WARNING, "%s: \"%s\" is not a valid integer", key, val);
+               return -rte_errno;
        }
        if (strcmp(MLX5_RXQ_CQE_COMP_EN, key) == 0) {
                args->cqe_comp = !!tmp;
@@ -427,8 +451,9 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
        } else if (strcmp(MLX5_RX_VEC_EN, key) == 0) {
                args->rx_vec_en = !!tmp;
        } else {
-               WARN("%s: unknown parameter", key);
-               return -EINVAL;
+               DRV_LOG(WARNING, "%s: unknown parameter", key);
+               rte_errno = EINVAL;
+               return -rte_errno;
        }
        return 0;
 }
@@ -442,7 +467,7 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
  *   Device arguments structure.
  *
  * @return
- *   0 on success, errno value on failure.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
 mlx5_args(struct mlx5_args *args, struct rte_devargs *devargs)
@@ -474,9 +499,10 @@ mlx5_args(struct mlx5_args *args, struct rte_devargs *devargs)
                if (rte_kvargs_count(kvlist, params[i])) {
                        ret = rte_kvargs_process(kvlist, params[i],
                                                 mlx5_args_check, args);
-                       if (ret != 0) {
+                       if (ret) {
+                               rte_errno = EINVAL;
                                rte_kvargs_free(kvlist);
-                               return ret;
+                               return -rte_errno;
                        }
                }
        }
@@ -486,6 +512,112 @@ mlx5_args(struct mlx5_args *args, struct rte_devargs *devargs)
 
 static struct rte_pci_driver mlx5_driver;
 
+/*
+ * Reserved UAR address space for TXQ UAR(hw doorbell) mapping, process
+ * local resource used by both primary and secondary to avoid duplicate
+ * reservation.
+ * The space has to be available on both primary and secondary process,
+ * TXQ UAR maps to this area using fixed mmap w/o double check.
+ */
+static void *uar_base;
+
+/**
+ * Reserve UAR address space for primary process.
+ *
+ * @param[in] dev
+ *   Pointer to Ethernet device.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx5_uar_init_primary(struct rte_eth_dev *dev)
+{
+       struct priv *priv = dev->data->dev_private;
+       void *addr = (void *)0;
+       int i;
+       const struct rte_mem_config *mcfg;
+
+       if (uar_base) { /* UAR address space mapped. */
+               priv->uar_base = uar_base;
+               return 0;
+       }
+       /* find out lower bound of hugepage segments */
+       mcfg = rte_eal_get_configuration()->mem_config;
+       for (i = 0; i < RTE_MAX_MEMSEG && mcfg->memseg[i].addr; i++) {
+               if (addr)
+                       addr = RTE_MIN(addr, mcfg->memseg[i].addr);
+               else
+                       addr = mcfg->memseg[i].addr;
+       }
+       /* keep distance to hugepages to minimize potential conflicts. */
+       addr = RTE_PTR_SUB(addr, MLX5_UAR_OFFSET + MLX5_UAR_SIZE);
+       /* anonymous mmap, no real memory consumption. */
+       addr = mmap(addr, MLX5_UAR_SIZE,
+                   PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+       if (addr == MAP_FAILED) {
+               DRV_LOG(ERR,
+                       "port %u failed to reserve UAR address space, please"
+                       " adjust MLX5_UAR_SIZE or try --base-virtaddr",
+                       dev->data->port_id);
+               rte_errno = ENOMEM;
+               return -rte_errno;
+       }
+       /* Accept either same addr or a new addr returned from mmap if target
+        * range occupied.
+        */
+       DRV_LOG(INFO, "port %u reserved UAR address space: %p",
+               dev->data->port_id, addr);
+       priv->uar_base = addr; /* for primary and secondary UAR re-mmap. */
+       uar_base = addr; /* process local, don't reserve again. */
+       return 0;
+}
+
+/**
+ * Reserve UAR address space for secondary process, align with
+ * primary process.
+ *
+ * @param[in] dev
+ *   Pointer to Ethernet device.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx5_uar_init_secondary(struct rte_eth_dev *dev)
+{
+       struct priv *priv = dev->data->dev_private;
+       void *addr;
+
+       assert(priv->uar_base);
+       if (uar_base) { /* already reserved. */
+               assert(uar_base == priv->uar_base);
+               return 0;
+       }
+       /* anonymous mmap, no real memory consumption. */
+       addr = mmap(priv->uar_base, MLX5_UAR_SIZE,
+                   PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+       if (addr == MAP_FAILED) {
+               DRV_LOG(ERR, "port %u UAR mmap failed: %p size: %llu",
+                       dev->data->port_id, priv->uar_base, MLX5_UAR_SIZE);
+               rte_errno = ENXIO;
+               return -rte_errno;
+       }
+       if (priv->uar_base != addr) {
+               DRV_LOG(ERR,
+                       "port %u UAR address %p size %llu occupied, please"
+                       " adjust MLX5_UAR_OFFSET or try EAL parameter"
+                       " --base-virtaddr",
+                       dev->data->port_id, priv->uar_base, MLX5_UAR_SIZE);
+               rte_errno = ENXIO;
+               return -rte_errno;
+       }
+       uar_base = addr; /* process local, don't reserve again */
+       DRV_LOG(INFO, "port %u reserved UAR address space: %p",
+               dev->data->port_id, addr);
+       return 0;
+}
+
 /**
  * Assign parameters from args into priv, only non default
  * values are considered.
@@ -530,17 +662,17 @@ mlx5_args_assign(struct priv *priv, struct mlx5_args *args)
  *   PCI device information.
  *
  * @return
- *   0 on success, negative errno value on failure.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
-mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
+mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+              struct rte_pci_device *pci_dev)
 {
-       struct ibv_device **list;
+       struct ibv_device **list = NULL;
        struct ibv_device *ibv_dev;
        int err = 0;
        struct ibv_context *attr_ctx = NULL;
        struct ibv_device_attr_ex device_attr;
-       unsigned int sriov;
        unsigned int mps;
        unsigned int cqe_comp;
        unsigned int tunnel_en = 0;
@@ -551,24 +683,25 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
        struct ibv_counter_set_description cs_desc;
 #endif
 
-       (void)pci_drv;
        assert(pci_drv == &mlx5_driver);
        /* Get mlx5_dev[] index. */
        idx = mlx5_dev_idx(&pci_dev->addr);
        if (idx == -1) {
-               ERROR("this driver cannot support any more adapters");
-               return -ENOMEM;
+               DRV_LOG(ERR, "this driver cannot support any more adapters");
+               err = ENOMEM;
+               goto error;
        }
-       DEBUG("using driver device index %d", idx);
-
+       DRV_LOG(DEBUG, "using driver device index %d", idx);
        /* Save PCI address. */
        mlx5_dev[idx].pci_addr = pci_dev->addr;
        list = ibv_get_device_list(&i);
        if (list == NULL) {
                assert(errno);
+               err = errno;
                if (errno == ENOSYS)
-                       ERROR("cannot list devices, is ib_uverbs loaded?");
-               return -errno;
+                       DRV_LOG(ERR,
+                               "cannot list devices, is ib_uverbs loaded?");
+               goto error;
        }
        assert(i >= 0);
        /*
@@ -579,7 +712,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                struct rte_pci_addr pci_addr;
 
                --i;
-               DEBUG("checking device \"%s\"", list[i]->name);
+               DRV_LOG(DEBUG, "checking device \"%s\"", list[i]->name);
                if (mlx5_ibv_device_to_pci_addr(list[i], &pci_addr))
                        continue;
                if ((pci_dev->addr.domain != pci_addr.domain) ||
@@ -587,14 +720,6 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                    (pci_dev->addr.devid != pci_addr.devid) ||
                    (pci_dev->addr.function != pci_addr.function))
                        continue;
-               sriov = ((pci_dev->id.device_id ==
-                      PCI_DEVICE_ID_MELLANOX_CONNECTX4VF) ||
-                     (pci_dev->id.device_id ==
-                      PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF) ||
-                     (pci_dev->id.device_id ==
-                      PCI_DEVICE_ID_MELLANOX_CONNECTX5VF) ||
-                     (pci_dev->id.device_id ==
-                      PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF));
                switch (pci_dev->id.device_id) {
                case PCI_DEVICE_ID_MELLANOX_CONNECTX4:
                        tunnel_en = 1;
@@ -609,30 +734,29 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                default:
                        break;
                }
-               INFO("PCI information matches, using device \"%s\""
-                    " (SR-IOV: %s)",
-                    list[i]->name,
-                    sriov ? "true" : "false");
+               DRV_LOG(INFO, "PCI information matches, using device \"%s\"",
+                    list[i]->name);
                attr_ctx = ibv_open_device(list[i]);
-               err = errno;
+               rte_errno = errno;
+               err = rte_errno;
                break;
        }
        if (attr_ctx == NULL) {
-               ibv_free_device_list(list);
                switch (err) {
                case 0:
-                       ERROR("cannot access device, is mlx5_ib loaded?");
-                       return -ENODEV;
+                       DRV_LOG(ERR,
+                               "cannot access device, is mlx5_ib loaded?");
+                       err = ENODEV;
+                       break;
                case EINVAL:
-                       ERROR("cannot use device, are drivers up to date?");
-                       return -EINVAL;
+                       DRV_LOG(ERR,
+                               "cannot use device, are drivers up to date?");
+                       break;
                }
-               assert(err > 0);
-               return -err;
+               goto error;
        }
        ibv_dev = list[i];
-
-       DEBUG("device opened");
+       DRV_LOG(DEBUG, "device opened");
        /*
         * Multi-packet send is supported by ConnectX-4 Lx PF as well
         * as all ConnectX-5 devices.
@@ -640,14 +764,14 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
        mlx5dv_query_device(attr_ctx, &attrs_out);
        if (attrs_out.flags & MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED) {
                if (attrs_out.flags & MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW) {
-                       DEBUG("Enhanced MPW is supported");
+                       DRV_LOG(DEBUG, "enhanced MPW is supported");
                        mps = MLX5_MPW_ENHANCED;
                } else {
-                       DEBUG("MPW is supported");
+                       DRV_LOG(DEBUG, "MPW is supported");
                        mps = MLX5_MPW;
                }
        } else {
-               DEBUG("MPW isn't supported");
+               DRV_LOG(DEBUG, "MPW isn't supported");
                mps = MLX5_MPW_DISABLED;
        }
        if (RTE_CACHE_LINE_SIZE == 128 &&
@@ -655,10 +779,13 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                cqe_comp = 0;
        else
                cqe_comp = 1;
-       if (ibv_query_device_ex(attr_ctx, NULL, &device_attr))
+       err = ibv_query_device_ex(attr_ctx, NULL, &device_attr);
+       if (err) {
+               DEBUG("ibv_query_device_ex() failed");
                goto error;
-       INFO("%u port(s) detected", device_attr.orig_attr.phys_port_cnt);
-
+       }
+       DRV_LOG(INFO, "%u port(s) detected",
+               device_attr.orig_attr.phys_port_cnt);
        for (i = 0; i < device_attr.orig_attr.phys_port_cnt; i++) {
                char name[RTE_ETH_NAME_MAX_LEN];
                uint32_t port = i + 1; /* ports are indexed from one */
@@ -667,11 +794,9 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                struct ibv_port_attr port_attr;
                struct ibv_pd *pd = NULL;
                struct priv *priv = NULL;
-               struct rte_eth_dev *eth_dev;
+               struct rte_eth_dev *eth_dev = NULL;
                struct ibv_device_attr_ex device_attr_ex;
                struct ether_addr mac;
-               uint16_t num_vfs = 0;
-               struct ibv_device_attr_ex device_attr;
                struct mlx5_args args = {
                        .cqe_comp = MLX5_ARG_UNSET,
                        .txq_inline = MLX5_ARG_UNSET,
@@ -687,84 +812,85 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                snprintf(name, sizeof(name), PCI_PRI_FMT,
                         pci_dev->addr.domain, pci_dev->addr.bus,
                         pci_dev->addr.devid, pci_dev->addr.function);
-
                mlx5_dev[idx].ports |= test;
-
                if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
                        eth_dev = rte_eth_dev_attach_secondary(name);
                        if (eth_dev == NULL) {
-                               ERROR("can not attach rte ethdev");
-                               err = ENOMEM;
+                               DRV_LOG(ERR, "can not attach rte ethdev");
+                               rte_errno = ENOMEM;
+                               err = rte_errno;
                                goto error;
                        }
                        eth_dev->device = &pci_dev->device;
                        eth_dev->dev_ops = &mlx5_dev_sec_ops;
-                       priv = eth_dev->data->dev_private;
+                       err = mlx5_uar_init_secondary(eth_dev);
+                       if (err) {
+                               err = rte_errno;
+                               goto error;
+                       }
                        /* Receive command fd from primary process */
-                       err = priv_socket_connect(priv);
+                       err = mlx5_socket_connect(eth_dev);
                        if (err < 0) {
-                               err = -err;
+                               err = rte_errno;
                                goto error;
                        }
                        /* Remap UAR for Tx queues. */
-                       err = priv_tx_uar_remap(priv, err);
-                       if (err < 0) {
-                               err = -err;
+                       err = mlx5_tx_uar_remap(eth_dev, err);
+                       if (err) {
+                               err = rte_errno;
                                goto error;
                        }
-                       priv_dev_select_rx_function(priv, eth_dev);
-                       priv_dev_select_tx_function(priv, eth_dev);
+                       /*
+                        * Ethdev pointer is still required as input since
+                        * the primary device is not accessible from the
+                        * secondary process.
+                        */
+                       eth_dev->rx_pkt_burst =
+                               mlx5_select_rx_function(eth_dev);
+                       eth_dev->tx_pkt_burst =
+                               mlx5_select_tx_function(eth_dev);
                        continue;
                }
-
-               DEBUG("using port %u (%08" PRIx32 ")", port, test);
-
+               DRV_LOG(DEBUG, "using port %u (%08" PRIx32 ")", port, test);
                ctx = ibv_open_device(ibv_dev);
                if (ctx == NULL) {
                        err = ENODEV;
                        goto port_error;
                }
-
-               ibv_query_device_ex(ctx, NULL, &device_attr);
                /* Check port status. */
                err = ibv_query_port(ctx, port, &port_attr);
                if (err) {
-                       ERROR("port query failed: %s", strerror(err));
+                       DRV_LOG(ERR, "port query failed: %s", strerror(err));
                        goto port_error;
                }
-
                if (port_attr.link_layer != IBV_LINK_LAYER_ETHERNET) {
-                       ERROR("port %d is not configured in Ethernet mode",
-                             port);
+                       DRV_LOG(ERR,
+                               "port %d is not configured in Ethernet mode",
+                               port);
                        err = EINVAL;
                        goto port_error;
                }
-
                if (port_attr.state != IBV_PORT_ACTIVE)
-                       DEBUG("port %d is not active: \"%s\" (%d)",
-                             port, ibv_port_state_str(port_attr.state),
-                             port_attr.state);
-
+                       DRV_LOG(DEBUG, "port %d is not active: \"%s\" (%d)",
+                               port, ibv_port_state_str(port_attr.state),
+                               port_attr.state);
                /* Allocate protection domain. */
                pd = ibv_alloc_pd(ctx);
                if (pd == NULL) {
-                       ERROR("PD allocation failure");
+                       DRV_LOG(ERR, "PD allocation failure");
                        err = ENOMEM;
                        goto port_error;
                }
-
                mlx5_dev[idx].ports |= test;
-
                /* from rte_ethdev.c */
                priv = rte_zmalloc("ethdev private structure",
                                   sizeof(*priv),
                                   RTE_CACHE_LINE_SIZE);
                if (priv == NULL) {
-                       ERROR("priv allocation failure");
+                       DRV_LOG(ERR, "priv allocation failure");
                        err = ENOMEM;
                        goto port_error;
                }
-
                priv->ctx = ctx;
                strncpy(priv->ibdev_path, priv->ctx->device->ibdev_path,
                        sizeof(priv->ibdev_path));
@@ -780,35 +906,37 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                priv->rx_vec_en = 1;
                err = mlx5_args(&args, pci_dev->device.devargs);
                if (err) {
-                       ERROR("failed to process device arguments: %s",
-                             strerror(err));
+                       DRV_LOG(ERR, "failed to process device arguments: %s",
+                               strerror(err));
+                       err = rte_errno;
                        goto port_error;
                }
                mlx5_args_assign(priv, &args);
-               if (ibv_query_device_ex(ctx, NULL, &device_attr_ex)) {
-                       ERROR("ibv_query_device_ex() failed");
+               err = ibv_query_device_ex(ctx, NULL, &device_attr_ex);
+               if (err) {
+                       DRV_LOG(ERR, "ibv_query_device_ex() failed");
                        goto port_error;
                }
-
                priv->hw_csum =
                        !!(device_attr_ex.device_cap_flags_ex &
                           IBV_DEVICE_RAW_IP_CSUM);
-               DEBUG("checksum offloading is %ssupported",
-                     (priv->hw_csum ? "" : "not "));
+               DRV_LOG(DEBUG, "checksum offloading is %ssupported",
+                       (priv->hw_csum ? "" : "not "));
 
 #ifdef HAVE_IBV_DEVICE_VXLAN_SUPPORT
                priv->hw_csum_l2tun = !!(exp_device_attr.exp_device_cap_flags &
                                         IBV_DEVICE_VXLAN_SUPPORT);
 #endif
-               DEBUG("Rx L2 tunnel checksum offloads are %ssupported",
-                     (priv->hw_csum_l2tun ? "" : "not "));
+               DRV_LOG(DEBUG, "Rx L2 tunnel checksum offloads are %ssupported",
+                       (priv->hw_csum_l2tun ? "" : "not "));
 
 #ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
                priv->counter_set_supported = !!(device_attr.max_counter_sets);
                ibv_describe_counter_set(ctx, 0, &cs_desc);
-               DEBUG("counter type = %d, num of cs = %ld, attributes = %d",
-                     cs_desc.counter_type, cs_desc.num_of_cs,
-                     cs_desc.attributes);
+               DRV_LOG(DEBUG,
+                       "counter type = %d, num of cs = %ld, attributes = %d",
+                       cs_desc.counter_type, cs_desc.num_of_cs,
+                       cs_desc.attributes);
 #endif
                priv->ind_table_max_size =
                        device_attr_ex.rss_caps.max_rwq_indirection_table_size;
@@ -817,27 +945,24 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                if (priv->ind_table_max_size >
                                (unsigned int)ETH_RSS_RETA_SIZE_512)
                        priv->ind_table_max_size = ETH_RSS_RETA_SIZE_512;
-               DEBUG("maximum RX indirection table size is %u",
-                     priv->ind_table_max_size);
+               DRV_LOG(DEBUG, "maximum Rx indirection table size is %u",
+                       priv->ind_table_max_size);
                priv->hw_vlan_strip = !!(device_attr_ex.raw_packet_caps &
                                         IBV_RAW_PACKET_CAP_CVLAN_STRIPPING);
-               DEBUG("VLAN stripping is %ssupported",
-                     (priv->hw_vlan_strip ? "" : "not "));
+               DRV_LOG(DEBUG, "VLAN stripping is %ssupported",
+                       (priv->hw_vlan_strip ? "" : "not "));
 
-               priv->hw_fcs_strip =
-                               !!(device_attr_ex.orig_attr.device_cap_flags &
-                               IBV_WQ_FLAGS_SCATTER_FCS);
-               DEBUG("FCS stripping configuration is %ssupported",
-                     (priv->hw_fcs_strip ? "" : "not "));
+               priv->hw_fcs_strip = !!(device_attr_ex.raw_packet_caps &
+                                       IBV_RAW_PACKET_CAP_SCATTER_FCS);
+               DRV_LOG(DEBUG, "FCS stripping configuration is %ssupported",
+                       (priv->hw_fcs_strip ? "" : "not "));
 
 #ifdef HAVE_IBV_WQ_FLAG_RX_END_PADDING
                priv->hw_padding = !!device_attr_ex.rx_pad_end_addr_align;
 #endif
-               DEBUG("hardware RX end alignment padding is %ssupported",
-                     (priv->hw_padding ? "" : "not "));
-
-               priv_get_num_vfs(priv, &num_vfs);
-               priv->sriov = (num_vfs || sriov);
+               DRV_LOG(DEBUG,
+                       "hardware Rx end alignment padding is %ssupported",
+                       (priv->hw_padding ? "" : "not "));
                priv->tso = ((priv->tso) &&
                            (device_attr_ex.tso_caps.max_tso > 0) &&
                            (device_attr_ex.tso_caps.supported_qpts &
@@ -846,18 +971,21 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                        priv->max_tso_payload_sz =
                                device_attr_ex.tso_caps.max_tso;
                if (priv->mps && !mps) {
-                       ERROR("multi-packet send not supported on this device"
-                             " (" MLX5_TXQ_MPW_EN ")");
+                       DRV_LOG(ERR,
+                               "multi-packet send not supported on this device"
+                               " (" MLX5_TXQ_MPW_EN ")");
                        err = ENOTSUP;
                        goto port_error;
                } else if (priv->mps && priv->tso) {
-                       WARN("multi-packet send not supported in conjunction "
-                             "with TSO. MPS disabled");
+                       DRV_LOG(WARNING,
+                               "multi-packet send not supported in conjunction"
+                               " with TSO. MPS disabled");
                        priv->mps = 0;
                }
-               INFO("%sMPS is %s",
-                    priv->mps == MLX5_MPW_ENHANCED ? "Enhanced " : "",
-                    priv->mps != MLX5_MPW_DISABLED ? "enabled" : "disabled");
+               DRV_LOG(INFO, "%s MPS is %s",
+                       priv->mps == MLX5_MPW_ENHANCED ? "enhanced " : "",
+                       priv->mps != MLX5_MPW_DISABLED ? "enabled" :
+                                                        "disabled");
                /* Set default values for Enhanced MPW, a.k.a MPWv2. */
                if (priv->mps == MLX5_MPW_ENHANCED) {
                        if (args.txqs_inline == MLX5_ARG_UNSET)
@@ -870,59 +998,71 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                                                   MLX5_WQE_SIZE;
                }
                if (priv->cqe_comp && !cqe_comp) {
-                       WARN("Rx CQE compression isn't supported");
+                       DRV_LOG(WARNING, "Rx CQE compression isn't supported");
                        priv->cqe_comp = 0;
                }
+               eth_dev = rte_eth_dev_allocate(name);
+               if (eth_dev == NULL) {
+                       DRV_LOG(ERR, "can not allocate rte ethdev");
+                       err = ENOMEM;
+                       goto port_error;
+               }
+               eth_dev->data->dev_private = priv;
+               priv->dev_data = eth_dev->data;
+               eth_dev->data->mac_addrs = priv->mac;
+               eth_dev->device = &pci_dev->device;
+               rte_eth_copy_pci_info(eth_dev, pci_dev);
+               eth_dev->device->driver = &mlx5_driver.driver;
+               err = mlx5_uar_init_primary(eth_dev);
+               if (err) {
+                       err = rte_errno;
+                       goto port_error;
+               }
                /* Configure the first MAC address by default. */
-               if (priv_get_mac(priv, &mac.addr_bytes)) {
-                       ERROR("cannot get MAC address, is mlx5_en loaded?"
-                             " (errno: %s)", strerror(errno));
+               if (mlx5_get_mac(eth_dev, &mac.addr_bytes)) {
+                       DRV_LOG(ERR,
+                               "port %u cannot get MAC address, is mlx5_en"
+                               " loaded? (errno: %s)",
+                               eth_dev->data->port_id, strerror(errno));
                        err = ENODEV;
                        goto port_error;
                }
-               INFO("port %u MAC address is %02x:%02x:%02x:%02x:%02x:%02x",
-                    priv->port,
-                    mac.addr_bytes[0], mac.addr_bytes[1],
-                    mac.addr_bytes[2], mac.addr_bytes[3],
-                    mac.addr_bytes[4], mac.addr_bytes[5]);
+               DRV_LOG(INFO,
+                       "port %u MAC address is %02x:%02x:%02x:%02x:%02x:%02x",
+                       eth_dev->data->port_id,
+                       mac.addr_bytes[0], mac.addr_bytes[1],
+                       mac.addr_bytes[2], mac.addr_bytes[3],
+                       mac.addr_bytes[4], mac.addr_bytes[5]);
 #ifndef NDEBUG
                {
                        char ifname[IF_NAMESIZE];
 
-                       if (priv_get_ifname(priv, &ifname) == 0)
-                               DEBUG("port %u ifname is \"%s\"",
-                                     priv->port, ifname);
+                       if (mlx5_get_ifname(eth_dev, &ifname) == 0)
+                               DRV_LOG(DEBUG, "port %u ifname is \"%s\"",
+                                       eth_dev->data->port_id, ifname);
                        else
-                               DEBUG("port %u ifname is unknown", priv->port);
+                               DRV_LOG(DEBUG, "port %u ifname is unknown",
+                                       eth_dev->data->port_id);
                }
 #endif
                /* Get actual MTU if possible. */
-               priv_get_mtu(priv, &priv->mtu);
-               DEBUG("port %u MTU is %u", priv->port, priv->mtu);
-
-               eth_dev = rte_eth_dev_allocate(name);
-               if (eth_dev == NULL) {
-                       ERROR("can not allocate rte ethdev");
-                       err = ENOMEM;
+               err = mlx5_get_mtu(eth_dev, &priv->mtu);
+               if (err) {
+                       err = rte_errno;
                        goto port_error;
                }
-               eth_dev->data->dev_private = priv;
-               eth_dev->data->mac_addrs = priv->mac;
-               eth_dev->device = &pci_dev->device;
-               rte_eth_copy_pci_info(eth_dev, pci_dev);
-               eth_dev->device->driver = &mlx5_driver.driver;
+               DRV_LOG(DEBUG, "port %u MTU is %u", eth_dev->data->port_id,
+                       priv->mtu);
                /*
                 * Initialize burst functions to prevent crashes before link-up.
                 */
                eth_dev->rx_pkt_burst = removed_rx_burst;
                eth_dev->tx_pkt_burst = removed_tx_burst;
-               priv->dev = eth_dev;
                eth_dev->dev_ops = &mlx5_dev_ops;
                /* Register MAC address. */
                claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
                TAILQ_INIT(&priv->flows);
                TAILQ_INIT(&priv->ctrl_flows);
-
                /* Hint libmlx5 to use PMD allocator for data plane resources */
                struct mlx5dv_ctx_allocators alctr = {
                        .alloc = &mlx5_alloc_verbs_buf,
@@ -931,12 +1071,17 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                };
                mlx5dv_set_context_attr(ctx, MLX5DV_CTX_ATTR_BUF_ALLOCATORS,
                                        (void *)((uintptr_t)&alctr));
-
                /* Bring Ethernet device up. */
-               DEBUG("forcing Ethernet interface up");
-               priv_set_flags(priv, ~IFF_UP, IFF_UP);
+               DRV_LOG(DEBUG, "port %u forcing Ethernet interface up",
+                       eth_dev->data->port_id);
+               mlx5_set_link_up(eth_dev);
+               /*
+                * Even though the interrupt handler is not installed yet,
+                * interrupts will still trigger on the asyn_fd from
+                * Verbs context returned by ibv_open_device().
+                */
+               mlx5_link_update(eth_dev, 0);
                continue;
-
 port_error:
                if (priv)
                        rte_free(priv);
@@ -944,29 +1089,31 @@ port_error:
                        claim_zero(ibv_dealloc_pd(pd));
                if (ctx)
                        claim_zero(ibv_close_device(ctx));
+               if (eth_dev && rte_eal_process_type() == RTE_PROC_PRIMARY)
+                       rte_eth_dev_release_port(eth_dev);
                break;
        }
-
        /*
         * XXX if something went wrong in the loop above, there is a resource
         * leak (ctx, pd, priv, dpdk ethdev) but we can do nothing about it as
         * long as the dpdk does not provide a way to deallocate a ethdev and a
         * way to enumerate the registered ethdevs to free the previous ones.
         */
-
        /* no port found, complain */
        if (!mlx5_dev[idx].ports) {
-               err = ENODEV;
-               goto error;
+               rte_errno = ENODEV;
+               err = rte_errno;
        }
-
 error:
        if (attr_ctx)
                claim_zero(ibv_close_device(attr_ctx));
        if (list)
                ibv_free_device_list(list);
-       assert(err >= 0);
-       return -err;
+       if (err) {
+               rte_errno = err;
+               return -rte_errno;
+       }
+       return 0;
 }
 
 static const struct rte_pci_id mlx5_pci_id_map[] = {
@@ -1042,3 +1189,11 @@ rte_mlx5_pmd_init(void)
 RTE_PMD_EXPORT_NAME(net_mlx5, __COUNTER__);
 RTE_PMD_REGISTER_PCI_TABLE(net_mlx5, mlx5_pci_id_map);
 RTE_PMD_REGISTER_KMOD_DEP(net_mlx5, "* ib_uverbs & mlx5_core & mlx5_ib");
+
+/** Initialize driver log type. */
+RTE_INIT(vdev_netvsc_init_log)
+{
+       mlx5_logtype = rte_log_register("pmd.net.mlx5");
+       if (mlx5_logtype >= 0)
+               rte_log_set_level(mlx5_logtype, RTE_LOG_NOTICE);
+}