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"
44 lio_check_pf_hs_response(void *lio_dev)
46 struct lio_device *dev = lio_dev;
48 /* check till response arrives */
49 if (dev->pfvf_hsword.coproc_tics_per_us)
52 cn23xx_vf_handle_mbox(dev);
54 rte_eal_alarm_set(1, lio_check_pf_hs_response, lio_dev);
58 * \brief Identify the LIO device and to map the BAR address space
59 * @param lio_dev lio device
62 lio_chip_specific_setup(struct lio_device *lio_dev)
64 struct rte_pci_device *pdev = lio_dev->pci_dev;
65 uint32_t dev_id = pdev->id.device_id;
70 case LIO_CN23XX_VF_VID:
71 lio_dev->chip_id = LIO_CN23XX_VF_VID;
72 ret = cn23xx_vf_setup_device(lio_dev);
77 lio_dev_err(lio_dev, "Unsupported Chip\n");
81 lio_dev_info(lio_dev, "DEVICE : %s\n", s);
87 lio_first_time_init(struct lio_device *lio_dev,
88 struct rte_pci_device *pdev)
92 PMD_INIT_FUNC_TRACE();
94 /* set dpdk specific pci device pointer */
95 lio_dev->pci_dev = pdev;
97 /* Identify the LIO type and set device ops */
98 if (lio_chip_specific_setup(lio_dev)) {
99 lio_dev_err(lio_dev, "Chip specific setup failed\n");
103 if (lio_dev->fn_list.setup_mbox(lio_dev)) {
104 lio_dev_err(lio_dev, "Mailbox setup failed\n");
108 /* Check PF response */
109 lio_check_pf_hs_response((void *)lio_dev);
111 /* Do handshake and exit if incompatible PF driver */
112 if (cn23xx_pfvf_handshake(lio_dev))
116 cn23xx_vf_ask_pf_to_do_flr(lio_dev);
117 /* Wait for FLR for 100ms per SRIOV specification */
120 if (cn23xx_vf_set_io_queues_off(lio_dev)) {
121 lio_dev_err(lio_dev, "Setting io queues off failed\n");
125 if (lio_dev->fn_list.setup_device_regs(lio_dev)) {
126 lio_dev_err(lio_dev, "Failed to configure device registers\n");
130 dpdk_queues = (int)lio_dev->sriov_info.rings_per_vf;
132 lio_dev->max_tx_queues = dpdk_queues;
133 lio_dev->max_rx_queues = dpdk_queues;
138 if (lio_dev->mbox[0])
139 lio_dev->fn_list.free_mbox(lio_dev);
145 lio_eth_dev_uninit(struct rte_eth_dev *eth_dev)
147 PMD_INIT_FUNC_TRACE();
149 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
152 rte_free(eth_dev->data->mac_addrs);
153 eth_dev->data->mac_addrs = NULL;
159 lio_eth_dev_init(struct rte_eth_dev *eth_dev)
161 struct rte_pci_device *pdev = RTE_DEV_TO_PCI(eth_dev->device);
162 struct lio_device *lio_dev = LIO_DEV(eth_dev);
164 PMD_INIT_FUNC_TRACE();
166 /* Primary does the initialization. */
167 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
170 rte_eth_copy_pci_info(eth_dev, pdev);
171 eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
173 if (pdev->mem_resource[0].addr) {
174 lio_dev->hw_addr = pdev->mem_resource[0].addr;
176 PMD_INIT_LOG(ERR, "ERROR: Failed to map BAR0\n");
180 lio_dev->eth_dev = eth_dev;
181 /* set lio device print string */
182 snprintf(lio_dev->dev_string, sizeof(lio_dev->dev_string),
183 "%s[%02x:%02x.%x]", pdev->driver->driver.name,
184 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
186 lio_dev->port_id = eth_dev->data->port_id;
188 if (lio_first_time_init(lio_dev, pdev)) {
189 lio_dev_err(lio_dev, "Device init failed\n");
193 eth_dev->data->mac_addrs = rte_zmalloc("lio", ETHER_ADDR_LEN, 0);
194 if (eth_dev->data->mac_addrs == NULL) {
196 "MAC addresses memory allocation failed\n");
203 /* Set of PCI devices this driver supports */
204 static const struct rte_pci_id pci_id_liovf_map[] = {
205 { RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_VF_VID) },
206 { .vendor_id = 0, /* sentinel */ }
209 static struct eth_driver rte_liovf_pmd = {
211 .id_table = pci_id_liovf_map,
212 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
213 .probe = rte_eth_dev_pci_probe,
214 .remove = rte_eth_dev_pci_remove,
216 .eth_dev_init = lio_eth_dev_init,
217 .eth_dev_uninit = lio_eth_dev_uninit,
218 .dev_private_size = sizeof(struct lio_device),
221 RTE_PMD_REGISTER_PCI(net_liovf, rte_liovf_pmd.pci_drv);
222 RTE_PMD_REGISTER_PCI_TABLE(net_liovf, pci_id_liovf_map);
223 RTE_PMD_REGISTER_KMOD_DEP(net_liovf, "* igb_uio | vfio");