4 * Copyright(c) 2017 Cavium, Inc.. All rights reserved.
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8 * modification, are permitted provided that the following conditions
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17 * * Neither the name of Cavium, Inc. nor the names of its
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21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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34 #include <rte_ethdev.h>
35 #include <rte_cycles.h>
36 #include <rte_malloc.h>
37 #include <rte_alarm.h>
40 #include "lio_23xx_vf.h"
41 #include "lio_ethdev.h"
44 * \brief Identify the LIO device and to map the BAR address space
45 * @param lio_dev lio device
48 lio_chip_specific_setup(struct lio_device *lio_dev)
50 struct rte_pci_device *pdev = lio_dev->pci_dev;
51 uint32_t dev_id = pdev->id.device_id;
56 case LIO_CN23XX_VF_VID:
57 lio_dev->chip_id = LIO_CN23XX_VF_VID;
58 ret = cn23xx_vf_setup_device(lio_dev);
63 lio_dev_err(lio_dev, "Unsupported Chip\n");
67 lio_dev_info(lio_dev, "DEVICE : %s\n", s);
73 lio_first_time_init(struct lio_device *lio_dev,
74 struct rte_pci_device *pdev)
78 PMD_INIT_FUNC_TRACE();
80 /* set dpdk specific pci device pointer */
81 lio_dev->pci_dev = pdev;
83 /* Identify the LIO type and set device ops */
84 if (lio_chip_specific_setup(lio_dev)) {
85 lio_dev_err(lio_dev, "Chip specific setup failed\n");
89 if (cn23xx_vf_set_io_queues_off(lio_dev)) {
90 lio_dev_err(lio_dev, "Setting io queues off failed\n");
94 dpdk_queues = (int)lio_dev->sriov_info.rings_per_vf;
96 lio_dev->max_tx_queues = dpdk_queues;
97 lio_dev->max_rx_queues = dpdk_queues;
103 lio_eth_dev_uninit(struct rte_eth_dev *eth_dev)
105 PMD_INIT_FUNC_TRACE();
107 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
110 rte_free(eth_dev->data->mac_addrs);
111 eth_dev->data->mac_addrs = NULL;
117 lio_eth_dev_init(struct rte_eth_dev *eth_dev)
119 struct rte_pci_device *pdev = RTE_DEV_TO_PCI(eth_dev->device);
120 struct lio_device *lio_dev = LIO_DEV(eth_dev);
122 PMD_INIT_FUNC_TRACE();
124 /* Primary does the initialization. */
125 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
128 rte_eth_copy_pci_info(eth_dev, pdev);
129 eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
131 if (pdev->mem_resource[0].addr) {
132 lio_dev->hw_addr = pdev->mem_resource[0].addr;
134 PMD_INIT_LOG(ERR, "ERROR: Failed to map BAR0\n");
138 lio_dev->eth_dev = eth_dev;
139 /* set lio device print string */
140 snprintf(lio_dev->dev_string, sizeof(lio_dev->dev_string),
141 "%s[%02x:%02x.%x]", pdev->driver->driver.name,
142 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
144 lio_dev->port_id = eth_dev->data->port_id;
146 if (lio_first_time_init(lio_dev, pdev)) {
147 lio_dev_err(lio_dev, "Device init failed\n");
151 eth_dev->data->mac_addrs = rte_zmalloc("lio", ETHER_ADDR_LEN, 0);
152 if (eth_dev->data->mac_addrs == NULL) {
154 "MAC addresses memory allocation failed\n");
161 /* Set of PCI devices this driver supports */
162 static const struct rte_pci_id pci_id_liovf_map[] = {
163 { RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_VF_VID) },
164 { .vendor_id = 0, /* sentinel */ }
167 static struct eth_driver rte_liovf_pmd = {
169 .id_table = pci_id_liovf_map,
170 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
171 .probe = rte_eth_dev_pci_probe,
172 .remove = rte_eth_dev_pci_remove,
174 .eth_dev_init = lio_eth_dev_init,
175 .eth_dev_uninit = lio_eth_dev_uninit,
176 .dev_private_size = sizeof(struct lio_device),
179 RTE_PMD_REGISTER_PCI(net_liovf, rte_liovf_pmd.pci_drv);
180 RTE_PMD_REGISTER_PCI_TABLE(net_liovf, pci_id_liovf_map);
181 RTE_PMD_REGISTER_KMOD_DEP(net_liovf, "* igb_uio | vfio");