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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14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
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
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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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 /* Initialize soft command buffer pool */
105 if (lio_setup_sc_buffer_pool(lio_dev)) {
106 lio_dev_err(lio_dev, "sc buffer pool allocation failed\n");
110 /* Initialize lists to manage the requests of different types that
111 * arrive from applications for this lio device.
113 lio_setup_response_list(lio_dev);
115 if (lio_dev->fn_list.setup_mbox(lio_dev)) {
116 lio_dev_err(lio_dev, "Mailbox setup failed\n");
120 /* Check PF response */
121 lio_check_pf_hs_response((void *)lio_dev);
123 /* Do handshake and exit if incompatible PF driver */
124 if (cn23xx_pfvf_handshake(lio_dev))
128 cn23xx_vf_ask_pf_to_do_flr(lio_dev);
129 /* Wait for FLR for 100ms per SRIOV specification */
132 if (cn23xx_vf_set_io_queues_off(lio_dev)) {
133 lio_dev_err(lio_dev, "Setting io queues off failed\n");
137 if (lio_dev->fn_list.setup_device_regs(lio_dev)) {
138 lio_dev_err(lio_dev, "Failed to configure device registers\n");
142 if (lio_setup_instr_queue0(lio_dev)) {
143 lio_dev_err(lio_dev, "Failed to setup instruction queue 0\n");
147 dpdk_queues = (int)lio_dev->sriov_info.rings_per_vf;
149 lio_dev->max_tx_queues = dpdk_queues;
150 lio_dev->max_rx_queues = dpdk_queues;
155 lio_free_sc_buffer_pool(lio_dev);
156 if (lio_dev->mbox[0])
157 lio_dev->fn_list.free_mbox(lio_dev);
158 if (lio_dev->instr_queue[0])
159 lio_free_instr_queue0(lio_dev);
165 lio_eth_dev_uninit(struct rte_eth_dev *eth_dev)
167 struct lio_device *lio_dev = LIO_DEV(eth_dev);
169 PMD_INIT_FUNC_TRACE();
171 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
174 /* lio_free_sc_buffer_pool */
175 lio_free_sc_buffer_pool(lio_dev);
177 rte_free(eth_dev->data->mac_addrs);
178 eth_dev->data->mac_addrs = NULL;
184 lio_eth_dev_init(struct rte_eth_dev *eth_dev)
186 struct rte_pci_device *pdev = RTE_DEV_TO_PCI(eth_dev->device);
187 struct lio_device *lio_dev = LIO_DEV(eth_dev);
189 PMD_INIT_FUNC_TRACE();
191 /* Primary does the initialization. */
192 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
195 rte_eth_copy_pci_info(eth_dev, pdev);
196 eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
198 if (pdev->mem_resource[0].addr) {
199 lio_dev->hw_addr = pdev->mem_resource[0].addr;
201 PMD_INIT_LOG(ERR, "ERROR: Failed to map BAR0\n");
205 lio_dev->eth_dev = eth_dev;
206 /* set lio device print string */
207 snprintf(lio_dev->dev_string, sizeof(lio_dev->dev_string),
208 "%s[%02x:%02x.%x]", pdev->driver->driver.name,
209 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
211 lio_dev->port_id = eth_dev->data->port_id;
213 if (lio_first_time_init(lio_dev, pdev)) {
214 lio_dev_err(lio_dev, "Device init failed\n");
218 eth_dev->data->mac_addrs = rte_zmalloc("lio", ETHER_ADDR_LEN, 0);
219 if (eth_dev->data->mac_addrs == NULL) {
221 "MAC addresses memory allocation failed\n");
228 /* Set of PCI devices this driver supports */
229 static const struct rte_pci_id pci_id_liovf_map[] = {
230 { RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_VF_VID) },
231 { .vendor_id = 0, /* sentinel */ }
234 static struct eth_driver rte_liovf_pmd = {
236 .id_table = pci_id_liovf_map,
237 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
238 .probe = rte_eth_dev_pci_probe,
239 .remove = rte_eth_dev_pci_remove,
241 .eth_dev_init = lio_eth_dev_init,
242 .eth_dev_uninit = lio_eth_dev_uninit,
243 .dev_private_size = sizeof(struct lio_device),
246 RTE_PMD_REGISTER_PCI(net_liovf, rte_liovf_pmd.pci_drv);
247 RTE_PMD_REGISTER_PCI_TABLE(net_liovf, pci_id_liovf_map);
248 RTE_PMD_REGISTER_KMOD_DEP(net_liovf, "* igb_uio | vfio");