1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
2 * Copyright(c) 2018-2019 Pensando Systems, Inc. All rights reserved.
5 #include <rte_memzone.h>
10 ionic_dev_cmd_wait(struct ionic_dev *idev, unsigned long max_wait)
12 unsigned long step_msec = 100;
13 unsigned int max_wait_msec = max_wait * 1000;
14 unsigned long elapsed_msec = 0;
17 /* Wait for dev cmd to complete.. but no more than max_wait sec */
20 done = ionic_dev_cmd_done(idev);
22 IONIC_PRINT(DEBUG, "DEVCMD %d done took %ld msecs",
23 idev->dev_cmd->cmd.cmd.opcode,
28 msec_delay(step_msec);
30 elapsed_msec += step_msec;
31 } while (elapsed_msec < max_wait_msec);
33 IONIC_PRINT(DEBUG, "DEVCMD %d timeout after %ld msecs",
34 idev->dev_cmd->cmd.cmd.opcode,
41 ionic_dev_cmd_check_error(struct ionic_dev *idev)
45 status = ionic_dev_cmd_status(idev);
53 ionic_dev_cmd_wait_check(struct ionic_dev *idev, unsigned long max_wait)
57 err = ionic_dev_cmd_wait(idev, max_wait);
61 return ionic_dev_cmd_check_error(idev);
65 ionic_setup(struct ionic_adapter *adapter)
67 return ionic_dev_setup(adapter);
71 ionic_identify(struct ionic_adapter *adapter)
73 struct ionic_dev *idev = &adapter->idev;
74 struct ionic_identity *ident = &adapter->ident;
78 uint32_t drv_size = sizeof(ident->drv.words) /
79 sizeof(ident->drv.words[0]);
80 uint32_t cmd_size = sizeof(idev->dev_cmd->data) /
81 sizeof(idev->dev_cmd->data[0]);
82 uint32_t dev_size = sizeof(ident->dev.words) /
83 sizeof(ident->dev.words[0]);
85 memset(ident, 0, sizeof(*ident));
87 ident->drv.os_type = IONIC_OS_TYPE_LINUX;
88 ident->drv.os_dist = 0;
89 snprintf(ident->drv.os_dist_str,
90 sizeof(ident->drv.os_dist_str), "Unknown");
91 ident->drv.kernel_ver = 0;
92 snprintf(ident->drv.kernel_ver_str,
93 sizeof(ident->drv.kernel_ver_str), "DPDK");
94 strncpy(ident->drv.driver_ver_str, IONIC_DRV_VERSION,
95 sizeof(ident->drv.driver_ver_str) - 1);
97 nwords = RTE_MIN(drv_size, cmd_size);
98 for (i = 0; i < nwords; i++)
99 iowrite32(ident->drv.words[i], &idev->dev_cmd->data[i]);
101 ionic_dev_cmd_identify(idev, IONIC_IDENTITY_VERSION_1);
102 err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
104 nwords = RTE_MIN(dev_size, cmd_size);
105 for (i = 0; i < nwords; i++)
106 ident->dev.words[i] = ioread32(&idev->dev_cmd->data[i]);
113 ionic_init(struct ionic_adapter *adapter)
115 struct ionic_dev *idev = &adapter->idev;
118 ionic_dev_cmd_init(idev);
119 err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
124 ionic_reset(struct ionic_adapter *adapter)
126 struct ionic_dev *idev = &adapter->idev;
129 ionic_dev_cmd_reset(idev);
130 err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
135 ionic_port_identify(struct ionic_adapter *adapter)
137 struct ionic_dev *idev = &adapter->idev;
138 struct ionic_identity *ident = &adapter->ident;
139 unsigned int port_words = sizeof(ident->port.words) /
140 sizeof(ident->port.words[0]);
141 unsigned int cmd_words = sizeof(idev->dev_cmd->data) /
142 sizeof(idev->dev_cmd->data[0]);
147 ionic_dev_cmd_port_identify(idev);
148 err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
150 nwords = RTE_MIN(port_words, cmd_words);
151 for (i = 0; i < nwords; i++)
152 ident->port.words[i] =
153 ioread32(&idev->dev_cmd->data[i]);
156 IONIC_PRINT(INFO, "speed %d ", ident->port.config.speed);
157 IONIC_PRINT(INFO, "mtu %d ", ident->port.config.mtu);
158 IONIC_PRINT(INFO, "state %d ", ident->port.config.state);
159 IONIC_PRINT(INFO, "an_enable %d ", ident->port.config.an_enable);
160 IONIC_PRINT(INFO, "fec_type %d ", ident->port.config.fec_type);
161 IONIC_PRINT(INFO, "pause_type %d ", ident->port.config.pause_type);
162 IONIC_PRINT(INFO, "loopback_mode %d",
163 ident->port.config.loopback_mode);
168 static const struct rte_memzone *
169 ionic_memzone_reserve(const char *name, uint32_t len, int socket_id)
171 const struct rte_memzone *mz;
173 mz = rte_memzone_lookup(name);
177 mz = rte_memzone_reserve_aligned(name, len, socket_id,
178 RTE_MEMZONE_IOVA_CONTIG, IONIC_ALIGN);
183 ionic_port_init(struct ionic_adapter *adapter)
185 struct ionic_dev *idev = &adapter->idev;
186 struct ionic_identity *ident = &adapter->ident;
187 char z_name[RTE_MEMZONE_NAMESIZE];
188 unsigned int config_words = sizeof(ident->port.config.words) /
189 sizeof(ident->port.config.words[0]);
190 unsigned int cmd_words = sizeof(idev->dev_cmd->data) /
191 sizeof(idev->dev_cmd->data[0]);
199 idev->port_info_sz = RTE_ALIGN(sizeof(*idev->port_info), PAGE_SIZE);
201 snprintf(z_name, sizeof(z_name), "%s_port_%s_info",
203 adapter->pci_dev->device.name);
205 idev->port_info_z = ionic_memzone_reserve(z_name, idev->port_info_sz,
207 if (!idev->port_info_z) {
208 IONIC_PRINT(ERR, "Cannot reserve port info DMA memory");
212 idev->port_info = idev->port_info_z->addr;
213 idev->port_info_pa = idev->port_info_z->iova;
215 nwords = RTE_MIN(config_words, cmd_words);
217 for (i = 0; i < nwords; i++)
218 iowrite32(ident->port.config.words[i], &idev->dev_cmd->data[i]);
220 ionic_dev_cmd_port_init(idev);
221 err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
223 IONIC_PRINT(ERR, "Failed to init port");
227 ionic_dev_cmd_port_state(idev, IONIC_PORT_ADMIN_STATE_UP);
228 err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
230 IONIC_PRINT(WARNING, "Failed to bring port UP");
238 ionic_port_reset(struct ionic_adapter *adapter)
240 struct ionic_dev *idev = &adapter->idev;
243 if (!idev->port_info)
246 ionic_dev_cmd_port_reset(idev);
247 err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
249 IONIC_PRINT(ERR, "Failed to reset port");
253 idev->port_info = NULL;
254 idev->port_info_pa = 0;