1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2021 Marvell.
6 #include <rte_bus_pci.h>
7 #include <rte_rawdev.h>
8 #include <rte_rawdev_pmd.h>
12 #include "cnxk_bphy_cgx.h"
13 #include "rte_pmd_bphy.h"
15 struct cnxk_bphy_cgx_queue {
17 /* queue holds up to one response */
21 struct cnxk_bphy_cgx {
22 struct roc_bphy_cgx *rcgx;
23 struct cnxk_bphy_cgx_queue queues[MAX_LMACS_PER_CGX];
24 unsigned int num_queues;
28 cnxk_bphy_cgx_format_name(char *name, unsigned int len,
29 struct rte_pci_device *pci_dev)
31 snprintf(name, len, "BPHY_CGX:%x:%02x.%x", pci_dev->addr.bus,
32 pci_dev->addr.devid, pci_dev->addr.function);
36 cnxk_bphy_cgx_queue_def_conf(struct rte_rawdev *dev, uint16_t queue_id,
37 rte_rawdev_obj_t queue_conf,
38 size_t queue_conf_size)
43 RTE_SET_USED(queue_id);
45 if (queue_conf_size != sizeof(*conf))
48 conf = (unsigned int *)queue_conf;
55 cnxk_bphy_cgx_process_buf(struct cnxk_bphy_cgx *cgx, unsigned int queue,
56 struct rte_rawdev_buf *buf)
58 struct cnxk_bphy_cgx_queue *qp = &cgx->queues[queue];
59 struct cnxk_bphy_cgx_msg_set_link_state *link_state;
60 struct cnxk_bphy_cgx_msg *msg = buf->buf_addr;
61 struct cnxk_bphy_cgx_msg_link_mode *link_mode;
62 struct cnxk_bphy_cgx_msg_link_info *link_info;
63 struct roc_bphy_cgx_link_info rlink_info;
64 struct roc_bphy_cgx_link_mode rlink_mode;
65 unsigned int lmac = qp->lmac;
70 case CNXK_BPHY_CGX_MSG_TYPE_GET_LINKINFO:
71 memset(&rlink_info, 0, sizeof(rlink_info));
72 ret = roc_bphy_cgx_get_linkinfo(cgx->rcgx, lmac, &rlink_info);
76 link_info = rte_zmalloc(NULL, sizeof(*link_info), 0);
80 link_info->link_up = rlink_info.link_up;
81 link_info->full_duplex = rlink_info.full_duplex;
83 (enum cnxk_bphy_cgx_eth_link_speed)rlink_info.speed;
84 link_info->autoneg = rlink_info.an;
86 (enum cnxk_bphy_cgx_eth_link_fec)rlink_info.fec;
88 (enum cnxk_bphy_cgx_eth_link_mode)rlink_info.mode;
91 case CNXK_BPHY_CGX_MSG_TYPE_INTLBK_DISABLE:
92 ret = roc_bphy_cgx_intlbk_disable(cgx->rcgx, lmac);
94 case CNXK_BPHY_CGX_MSG_TYPE_INTLBK_ENABLE:
95 ret = roc_bphy_cgx_intlbk_enable(cgx->rcgx, lmac);
97 case CNXK_BPHY_CGX_MSG_TYPE_PTP_RX_DISABLE:
98 ret = roc_bphy_cgx_ptp_rx_disable(cgx->rcgx, lmac);
100 case CNXK_BPHY_CGX_MSG_TYPE_PTP_RX_ENABLE:
101 ret = roc_bphy_cgx_ptp_rx_enable(cgx->rcgx, lmac);
103 case CNXK_BPHY_CGX_MSG_TYPE_SET_LINK_MODE:
104 link_mode = msg->data;
105 memset(&rlink_mode, 0, sizeof(rlink_mode));
106 rlink_mode.full_duplex = link_mode->full_duplex;
107 rlink_mode.an = link_mode->autoneg;
109 (enum roc_bphy_cgx_eth_link_speed)link_mode->speed;
111 (enum roc_bphy_cgx_eth_link_mode)link_mode->mode;
112 ret = roc_bphy_cgx_set_link_mode(cgx->rcgx, lmac, &rlink_mode);
114 case CNXK_BPHY_CGX_MSG_TYPE_SET_LINK_STATE:
115 link_state = msg->data;
116 ret = roc_bphy_cgx_set_link_state(cgx->rcgx, lmac,
119 case CNXK_BPHY_CGX_MSG_TYPE_START_RXTX:
120 ret = roc_bphy_cgx_start_rxtx(cgx->rcgx, lmac);
122 case CNXK_BPHY_CGX_MSG_TYPE_STOP_RXTX:
123 ret = roc_bphy_cgx_stop_rxtx(cgx->rcgx, lmac);
129 /* get rid of last response if any */
131 RTE_LOG(WARNING, PMD, "Previous response got overwritten\n");
140 cnxk_bphy_cgx_enqueue_bufs(struct rte_rawdev *dev,
141 struct rte_rawdev_buf **buffers, unsigned int count,
142 rte_rawdev_obj_t context)
144 struct cnxk_bphy_cgx *cgx = dev->dev_private;
145 unsigned int queue = (size_t)context;
148 if (queue >= cgx->num_queues)
154 ret = cnxk_bphy_cgx_process_buf(cgx, queue, buffers[0]);
162 cnxk_bphy_cgx_dequeue_bufs(struct rte_rawdev *dev,
163 struct rte_rawdev_buf **buffers, unsigned int count,
164 rte_rawdev_obj_t context)
166 struct cnxk_bphy_cgx *cgx = dev->dev_private;
167 unsigned int queue = (size_t)context;
168 struct cnxk_bphy_cgx_queue *qp;
170 if (queue >= cgx->num_queues)
176 qp = &cgx->queues[queue];
178 buffers[0]->buf_addr = qp->rsp;
188 cnxk_bphy_cgx_queue_count(struct rte_rawdev *dev)
190 struct cnxk_bphy_cgx *cgx = dev->dev_private;
192 return cgx->num_queues;
195 static const struct rte_rawdev_ops cnxk_bphy_cgx_rawdev_ops = {
196 .queue_def_conf = cnxk_bphy_cgx_queue_def_conf,
197 .enqueue_bufs = cnxk_bphy_cgx_enqueue_bufs,
198 .dequeue_bufs = cnxk_bphy_cgx_dequeue_bufs,
199 .queue_count = cnxk_bphy_cgx_queue_count,
200 .dev_selftest = cnxk_bphy_cgx_dev_selftest,
204 cnxk_bphy_cgx_init_queues(struct cnxk_bphy_cgx *cgx)
206 struct roc_bphy_cgx *rcgx = cgx->rcgx;
209 for (i = 0; i < RTE_DIM(cgx->queues); i++) {
210 if (!(rcgx->lmac_bmap & BIT_ULL(i)))
213 cgx->queues[cgx->num_queues++].lmac = i;
218 cnxk_bphy_cgx_fini_queues(struct cnxk_bphy_cgx *cgx)
222 for (i = 0; i < cgx->num_queues; i++) {
223 if (cgx->queues[i].rsp)
224 rte_free(cgx->queues[i].rsp);
231 cnxk_bphy_cgx_rawdev_probe(struct rte_pci_driver *pci_drv,
232 struct rte_pci_device *pci_dev)
234 char name[RTE_RAWDEV_NAME_MAX_LEN];
235 struct rte_rawdev *rawdev;
236 struct cnxk_bphy_cgx *cgx;
237 struct roc_bphy_cgx *rcgx;
240 RTE_SET_USED(pci_drv);
242 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
245 if (!pci_dev->mem_resource[0].addr)
248 ret = roc_plt_init();
252 cnxk_bphy_cgx_format_name(name, sizeof(name), pci_dev);
253 rawdev = rte_rawdev_pmd_allocate(name, sizeof(*cgx), rte_socket_id());
257 rawdev->dev_ops = &cnxk_bphy_cgx_rawdev_ops;
258 rawdev->device = &pci_dev->device;
259 rawdev->driver_name = pci_dev->driver->driver.name;
261 cgx = rawdev->dev_private;
262 cgx->rcgx = rte_zmalloc(NULL, sizeof(*rcgx), 0);
265 goto out_pmd_release;
269 rcgx->bar0_pa = pci_dev->mem_resource[0].phys_addr;
270 rcgx->bar0_va = pci_dev->mem_resource[0].addr;
271 ret = roc_bphy_cgx_dev_init(rcgx);
275 cnxk_bphy_cgx_init_queues(cgx);
281 rte_rawdev_pmd_release(rawdev);
287 cnxk_bphy_cgx_rawdev_remove(struct rte_pci_device *pci_dev)
289 char name[RTE_RAWDEV_NAME_MAX_LEN];
290 struct rte_rawdev *rawdev;
291 struct cnxk_bphy_cgx *cgx;
293 cnxk_bphy_cgx_format_name(name, sizeof(name), pci_dev);
294 rawdev = rte_rawdev_pmd_get_named_dev(name);
298 cgx = rawdev->dev_private;
299 cnxk_bphy_cgx_fini_queues(cgx);
300 roc_bphy_cgx_dev_fini(cgx->rcgx);
303 return rte_rawdev_pmd_release(rawdev);
306 static const struct rte_pci_id cnxk_bphy_cgx_map[] = {
307 {RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_CN9K_CGX)},
308 {RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_CN10K_RPM)},
312 static struct rte_pci_driver bphy_cgx_rawdev_pmd = {
313 .id_table = cnxk_bphy_cgx_map,
314 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
315 .probe = cnxk_bphy_cgx_rawdev_probe,
316 .remove = cnxk_bphy_cgx_rawdev_remove,
319 RTE_PMD_REGISTER_PCI(cnxk_bphy_cgx_rawdev_pci_driver, bphy_cgx_rawdev_pmd);
320 RTE_PMD_REGISTER_PCI_TABLE(cnxk_bphy_cgx_rawdev_pci_driver, cnxk_bphy_cgx_map);
321 RTE_PMD_REGISTER_KMOD_DEP(cnxk_bphy_cgx_rawdev_pci_driver, "vfio-pci");