4 * Copyright(c) 2017 Cavium, Inc.. All rights reserved.
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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"
45 lio_check_pf_hs_response(void *lio_dev)
47 struct lio_device *dev = lio_dev;
49 /* check till response arrives */
50 if (dev->pfvf_hsword.coproc_tics_per_us)
53 cn23xx_vf_handle_mbox(dev);
55 rte_eal_alarm_set(1, lio_check_pf_hs_response, lio_dev);
59 * \brief Identify the LIO device and to map the BAR address space
60 * @param lio_dev lio device
63 lio_chip_specific_setup(struct lio_device *lio_dev)
65 struct rte_pci_device *pdev = lio_dev->pci_dev;
66 uint32_t dev_id = pdev->id.device_id;
71 case LIO_CN23XX_VF_VID:
72 lio_dev->chip_id = LIO_CN23XX_VF_VID;
73 ret = cn23xx_vf_setup_device(lio_dev);
78 lio_dev_err(lio_dev, "Unsupported Chip\n");
82 lio_dev_info(lio_dev, "DEVICE : %s\n", s);
88 lio_first_time_init(struct lio_device *lio_dev,
89 struct rte_pci_device *pdev)
93 PMD_INIT_FUNC_TRACE();
95 /* set dpdk specific pci device pointer */
96 lio_dev->pci_dev = pdev;
98 /* Identify the LIO type and set device ops */
99 if (lio_chip_specific_setup(lio_dev)) {
100 lio_dev_err(lio_dev, "Chip specific setup failed\n");
104 if (lio_dev->fn_list.setup_mbox(lio_dev)) {
105 lio_dev_err(lio_dev, "Mailbox setup failed\n");
109 /* Check PF response */
110 lio_check_pf_hs_response((void *)lio_dev);
112 /* Do handshake and exit if incompatible PF driver */
113 if (cn23xx_pfvf_handshake(lio_dev))
117 cn23xx_vf_ask_pf_to_do_flr(lio_dev);
118 /* Wait for FLR for 100ms per SRIOV specification */
121 if (cn23xx_vf_set_io_queues_off(lio_dev)) {
122 lio_dev_err(lio_dev, "Setting io queues off failed\n");
126 if (lio_dev->fn_list.setup_device_regs(lio_dev)) {
127 lio_dev_err(lio_dev, "Failed to configure device registers\n");
131 if (lio_setup_instr_queue0(lio_dev)) {
132 lio_dev_err(lio_dev, "Failed to setup instruction queue 0\n");
136 dpdk_queues = (int)lio_dev->sriov_info.rings_per_vf;
138 lio_dev->max_tx_queues = dpdk_queues;
139 lio_dev->max_rx_queues = dpdk_queues;
144 if (lio_dev->mbox[0])
145 lio_dev->fn_list.free_mbox(lio_dev);
146 if (lio_dev->instr_queue[0])
147 lio_free_instr_queue0(lio_dev);
153 lio_eth_dev_uninit(struct rte_eth_dev *eth_dev)
155 PMD_INIT_FUNC_TRACE();
157 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
160 rte_free(eth_dev->data->mac_addrs);
161 eth_dev->data->mac_addrs = NULL;
167 lio_eth_dev_init(struct rte_eth_dev *eth_dev)
169 struct rte_pci_device *pdev = RTE_DEV_TO_PCI(eth_dev->device);
170 struct lio_device *lio_dev = LIO_DEV(eth_dev);
172 PMD_INIT_FUNC_TRACE();
174 /* Primary does the initialization. */
175 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
178 rte_eth_copy_pci_info(eth_dev, pdev);
179 eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
181 if (pdev->mem_resource[0].addr) {
182 lio_dev->hw_addr = pdev->mem_resource[0].addr;
184 PMD_INIT_LOG(ERR, "ERROR: Failed to map BAR0\n");
188 lio_dev->eth_dev = eth_dev;
189 /* set lio device print string */
190 snprintf(lio_dev->dev_string, sizeof(lio_dev->dev_string),
191 "%s[%02x:%02x.%x]", pdev->driver->driver.name,
192 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
194 lio_dev->port_id = eth_dev->data->port_id;
196 if (lio_first_time_init(lio_dev, pdev)) {
197 lio_dev_err(lio_dev, "Device init failed\n");
201 eth_dev->data->mac_addrs = rte_zmalloc("lio", ETHER_ADDR_LEN, 0);
202 if (eth_dev->data->mac_addrs == NULL) {
204 "MAC addresses memory allocation failed\n");
211 /* Set of PCI devices this driver supports */
212 static const struct rte_pci_id pci_id_liovf_map[] = {
213 { RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_VF_VID) },
214 { .vendor_id = 0, /* sentinel */ }
217 static struct eth_driver rte_liovf_pmd = {
219 .id_table = pci_id_liovf_map,
220 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
221 .probe = rte_eth_dev_pci_probe,
222 .remove = rte_eth_dev_pci_remove,
224 .eth_dev_init = lio_eth_dev_init,
225 .eth_dev_uninit = lio_eth_dev_uninit,
226 .dev_private_size = sizeof(struct lio_device),
229 RTE_PMD_REGISTER_PCI(net_liovf, rte_liovf_pmd.pci_drv);
230 RTE_PMD_REGISTER_PCI_TABLE(net_liovf, pci_id_liovf_map);
231 RTE_PMD_REGISTER_KMOD_DEP(net_liovf, "* igb_uio | vfio");