net/ionic: register and initialize adapter

[dpdk.git] / drivers / net / ionic / ionic_ethdev.c

diff --git a/drivers/net/ionic/ionic_ethdev.c b/drivers/net/ionic/ionic_ethdev.c
index 9839903..e23d062 100644 (file)
--- a/drivers/net/ionic/ionic_ethdev.c
+++ b/drivers/net/ionic/ionic_ethdev.c
@@ -2,10 +2,127 @@
  * Copyright(c) 2018-2019 Pensando Systems, Inc. All rights reserved.
  */
 
+#include <rte_pci.h>
+#include <rte_bus_pci.h>
+#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
+#include <rte_malloc.h>
+
 #include "ionic_logs.h"
+#include "ionic.h"
+#include "ionic_dev.h"
+#include "ionic_mac_api.h"
 
 int ionic_logtype;
 
+static const struct rte_pci_id pci_id_ionic_map[] = {
+       { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_PF) },
+       { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_VF) },
+       { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_MGMT) },
+       { .vendor_id = 0, /* sentinel */ },
+};
+
+static int
+eth_ionic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+               struct rte_pci_device *pci_dev)
+{
+       struct rte_mem_resource *resource;
+       struct ionic_adapter *adapter;
+       struct ionic_hw *hw;
+       unsigned long i;
+       int err;
+
+       /* Check structs (trigger error at compilation time) */
+       ionic_struct_size_checks();
+
+       /* Multi-process not supported */
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+               err = -EPERM;
+               goto err;
+       }
+
+       IONIC_PRINT(DEBUG, "Initializing device %s",
+               pci_dev->device.name);
+
+       adapter = rte_zmalloc("ionic", sizeof(*adapter), 0);
+       if (!adapter) {
+               IONIC_PRINT(ERR, "OOM");
+               err = -ENOMEM;
+               goto err;
+       }
+
+       adapter->pci_dev = pci_dev;
+       hw = &adapter->hw;
+
+       hw->device_id = pci_dev->id.device_id;
+       hw->vendor_id = pci_dev->id.vendor_id;
+
+       err = ionic_init_mac(hw);
+       if (err != 0) {
+               IONIC_PRINT(ERR, "Mac init failed: %d", err);
+               err = -EIO;
+               goto err_free_adapter;
+       }
+
+       adapter->is_mgmt_nic = (pci_dev->id.device_id == IONIC_DEV_ID_ETH_MGMT);
+
+       adapter->num_bars = 0;
+       for (i = 0; i < PCI_MAX_RESOURCE && i < IONIC_BARS_MAX; i++) {
+               resource = &pci_dev->mem_resource[i];
+               if (resource->phys_addr == 0 || resource->len == 0)
+                       continue;
+               adapter->bars[adapter->num_bars].vaddr = resource->addr;
+               adapter->bars[adapter->num_bars].bus_addr = resource->phys_addr;
+               adapter->bars[adapter->num_bars].len = resource->len;
+               adapter->num_bars++;
+       }
+
+       /* Discover ionic dev resources */
+
+       err = ionic_setup(adapter);
+       if (err) {
+               IONIC_PRINT(ERR, "Cannot setup device: %d, aborting", err);
+               goto err_free_adapter;
+       }
+
+       err = ionic_identify(adapter);
+       if (err) {
+               IONIC_PRINT(ERR, "Cannot identify device: %d, aborting",
+                       err);
+               goto err_free_adapter;
+       }
+
+       err = ionic_init(adapter);
+       if (err) {
+               IONIC_PRINT(ERR, "Cannot init device: %d, aborting", err);
+               goto err_free_adapter;
+       }
+
+       return 0;
+
+err_free_adapter:
+       rte_free(adapter);
+err:
+       return err;
+}
+
+static int
+eth_ionic_pci_remove(struct rte_pci_device *pci_dev __rte_unused)
+{
+       return 0;
+}
+
+static struct rte_pci_driver rte_ionic_pmd = {
+       .id_table = pci_id_ionic_map,
+       .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
+       .probe = eth_ionic_pci_probe,
+       .remove = eth_ionic_pci_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_ionic, rte_ionic_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(net_ionic, pci_id_ionic_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_ionic, "* igb_uio | uio_pci_generic | vfio-pci");
+
 RTE_INIT(ionic_init_log)
 {
        ionic_logtype = rte_log_register("pmd.net.ionic");