1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) 2 * Copyright(c) 2018-2019 Pensando Systems, Inc. All rights reserved. 3 */ 4 5 #include <rte_malloc.h> 6 7 #include "ionic_dev.h" 8 #include "ionic.h" 9 10 int 11 ionic_dev_setup(struct ionic_adapter *adapter) 12 { 13 struct ionic_dev_bar *bar = adapter->bars; 14 unsigned int num_bars = adapter->num_bars; 15 struct ionic_dev *idev = &adapter->idev; 16 uint32_t sig; 17 u_char *bar0_base; 18 19 /* BAR0: dev_cmd and interrupts */ 20 if (num_bars < 1) { 21 IONIC_PRINT(ERR, "No bars found, aborting"); 22 return -EFAULT; 23 } 24 25 if (bar->len < IONIC_BAR0_SIZE) { 26 IONIC_PRINT(ERR, 27 "Resource bar size %lu too small, aborting", 28 bar->len); 29 return -EFAULT; 30 } 31 32 bar0_base = bar->vaddr; 33 idev->dev_info = (union ionic_dev_info_regs *) 34 &bar0_base[IONIC_BAR0_DEV_INFO_REGS_OFFSET]; 35 idev->dev_cmd = (union ionic_dev_cmd_regs *) 36 &bar0_base[IONIC_BAR0_DEV_CMD_REGS_OFFSET]; 37 idev->intr_status = (struct ionic_intr_status *) 38 &bar0_base[IONIC_BAR0_INTR_STATUS_OFFSET]; 39 idev->intr_ctrl = (struct ionic_intr *) 40 &bar0_base[IONIC_BAR0_INTR_CTRL_OFFSET]; 41 42 sig = ioread32(&idev->dev_info->signature); 43 if (sig != IONIC_DEV_INFO_SIGNATURE) { 44 IONIC_PRINT(ERR, "Incompatible firmware signature %" PRIx32 "", 45 sig); 46 return -EFAULT; 47 } 48 49 /* BAR1: doorbells */ 50 bar++; 51 if (num_bars < 2) { 52 IONIC_PRINT(ERR, "Doorbell bar missing, aborting"); 53 return -EFAULT; 54 } 55 56 idev->db_pages = bar->vaddr; 57 idev->phy_db_pages = bar->bus_addr; 58 59 return 0; 60 } 61 62 /* Devcmd Interface */ 63 64 uint8_t 65 ionic_dev_cmd_status(struct ionic_dev *idev) 66 { 67 return ioread8(&idev->dev_cmd->comp.comp.status); 68 } 69 70 bool 71 ionic_dev_cmd_done(struct ionic_dev *idev) 72 { 73 return ioread32(&idev->dev_cmd->done) & IONIC_DEV_CMD_DONE; 74 } 75 76 void 77 ionic_dev_cmd_comp(struct ionic_dev *idev, void *mem) 78 { 79 union ionic_dev_cmd_comp *comp = mem; 80 unsigned int i; 81 uint32_t comp_size = sizeof(comp->words) / 82 sizeof(comp->words[0]); 83 84 for (i = 0; i < comp_size; i++) 85 comp->words[i] = ioread32(&idev->dev_cmd->comp.words[i]); 86 } 87 88 void 89 ionic_dev_cmd_go(struct ionic_dev *idev, union ionic_dev_cmd *cmd) 90 { 91 unsigned int i; 92 uint32_t cmd_size = sizeof(cmd->words) / 93 sizeof(cmd->words[0]); 94 95 for (i = 0; i < cmd_size; i++) 96 iowrite32(cmd->words[i], &idev->dev_cmd->cmd.words[i]); 97 98 iowrite32(0, &idev->dev_cmd->done); 99 iowrite32(1, &idev->dev_cmd->doorbell); 100 } 101 102 /* Device commands */ 103 104 void 105 ionic_dev_cmd_identify(struct ionic_dev *idev, uint8_t ver) 106 { 107 union ionic_dev_cmd cmd = { 108 .identify.opcode = IONIC_CMD_IDENTIFY, 109 .identify.ver = ver, 110 }; 111 112 ionic_dev_cmd_go(idev, &cmd); 113 } 114 115 void 116 ionic_dev_cmd_init(struct ionic_dev *idev) 117 { 118 union ionic_dev_cmd cmd = { 119 .init.opcode = IONIC_CMD_INIT, 120 .init.type = 0, 121 }; 122 123 ionic_dev_cmd_go(idev, &cmd); 124 } 125 126 void 127 ionic_dev_cmd_reset(struct ionic_dev *idev) 128 { 129 union ionic_dev_cmd cmd = { 130 .reset.opcode = IONIC_CMD_RESET, 131 }; 132 133 ionic_dev_cmd_go(idev, &cmd); 134 } 135 136 /* Port commands */ 137 138 void 139 ionic_dev_cmd_port_identify(struct ionic_dev *idev) 140 { 141 union ionic_dev_cmd cmd = { 142 .port_init.opcode = IONIC_CMD_PORT_IDENTIFY, 143 .port_init.index = 0, 144 }; 145 146 ionic_dev_cmd_go(idev, &cmd); 147 } 148 149 void 150 ionic_dev_cmd_port_init(struct ionic_dev *idev) 151 { 152 union ionic_dev_cmd cmd = { 153 .port_init.opcode = IONIC_CMD_PORT_INIT, 154 .port_init.index = 0, 155 .port_init.info_pa = idev->port_info_pa, 156 }; 157 158 ionic_dev_cmd_go(idev, &cmd); 159 } 160 161 void 162 ionic_dev_cmd_port_reset(struct ionic_dev *idev) 163 { 164 union ionic_dev_cmd cmd = { 165 .port_reset.opcode = IONIC_CMD_PORT_RESET, 166 .port_reset.index = 0, 167 }; 168 169 ionic_dev_cmd_go(idev, &cmd); 170 } 171 172 void 173 ionic_dev_cmd_port_state(struct ionic_dev *idev, uint8_t state) 174 { 175 union ionic_dev_cmd cmd = { 176 .port_setattr.opcode = IONIC_CMD_PORT_SETATTR, 177 .port_setattr.index = 0, 178 .port_setattr.attr = IONIC_PORT_ATTR_STATE, 179 .port_setattr.state = state, 180 }; 181 182 ionic_dev_cmd_go(idev, &cmd); 183 } 184 185 void 186 ionic_dev_cmd_port_speed(struct ionic_dev *idev, uint32_t speed) 187 { 188 union ionic_dev_cmd cmd = { 189 .port_setattr.opcode = IONIC_CMD_PORT_SETATTR, 190 .port_setattr.index = 0, 191 .port_setattr.attr = IONIC_PORT_ATTR_SPEED, 192 .port_setattr.speed = speed, 193 }; 194 195 ionic_dev_cmd_go(idev, &cmd); 196 } 197 198 void 199 ionic_dev_cmd_port_mtu(struct ionic_dev *idev, uint32_t mtu) 200 { 201 union ionic_dev_cmd cmd = { 202 .port_setattr.opcode = IONIC_CMD_PORT_SETATTR, 203 .port_setattr.index = 0, 204 .port_setattr.attr = IONIC_PORT_ATTR_MTU, 205 .port_setattr.mtu = mtu, 206 }; 207 208 ionic_dev_cmd_go(idev, &cmd); 209 } 210 211 void 212 ionic_dev_cmd_port_autoneg(struct ionic_dev *idev, uint8_t an_enable) 213 { 214 union ionic_dev_cmd cmd = { 215 .port_setattr.opcode = IONIC_CMD_PORT_SETATTR, 216 .port_setattr.index = 0, 217 .port_setattr.attr = IONIC_PORT_ATTR_AUTONEG, 218 .port_setattr.an_enable = an_enable, 219 }; 220 221 ionic_dev_cmd_go(idev, &cmd); 222 } 223 224 void 225 ionic_dev_cmd_port_fec(struct ionic_dev *idev, uint8_t fec_type) 226 { 227 union ionic_dev_cmd cmd = { 228 .port_setattr.opcode = IONIC_CMD_PORT_SETATTR, 229 .port_setattr.index = 0, 230 .port_setattr.attr = IONIC_PORT_ATTR_FEC, 231 .port_setattr.fec_type = fec_type, 232 }; 233 234 ionic_dev_cmd_go(idev, &cmd); 235 } 236 237 void 238 ionic_dev_cmd_port_pause(struct ionic_dev *idev, uint8_t pause_type) 239 { 240 union ionic_dev_cmd cmd = { 241 .port_setattr.opcode = IONIC_CMD_PORT_SETATTR, 242 .port_setattr.index = 0, 243 .port_setattr.attr = IONIC_PORT_ATTR_PAUSE, 244 .port_setattr.pause_type = pause_type, 245 }; 246 247 ionic_dev_cmd_go(idev, &cmd); 248 } 249 250 void 251 ionic_dev_cmd_port_loopback(struct ionic_dev *idev, uint8_t loopback_mode) 252 { 253 union ionic_dev_cmd cmd = { 254 .port_setattr.opcode = IONIC_CMD_PORT_SETATTR, 255 .port_setattr.index = 0, 256 .port_setattr.attr = IONIC_PORT_ATTR_LOOPBACK, 257 .port_setattr.loopback_mode = loopback_mode, 258 }; 259 260 ionic_dev_cmd_go(idev, &cmd); 261 } 262