Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 1 | #include "qlge.h" |
| 2 | |
Ron Mercer | 8aae260 | 2010-01-15 13:31:28 +0000 | [diff] [blame^] | 3 | int ql_unpause_mpi_risc(struct ql_adapter *qdev) |
| 4 | { |
| 5 | u32 tmp; |
| 6 | |
| 7 | /* Un-pause the RISC */ |
| 8 | tmp = ql_read32(qdev, CSR); |
| 9 | if (!(tmp & CSR_RP)) |
| 10 | return -EIO; |
| 11 | |
| 12 | ql_write32(qdev, CSR, CSR_CMD_CLR_PAUSE); |
| 13 | return 0; |
| 14 | } |
| 15 | |
| 16 | int ql_pause_mpi_risc(struct ql_adapter *qdev) |
| 17 | { |
| 18 | u32 tmp; |
| 19 | int count = UDELAY_COUNT; |
| 20 | |
| 21 | /* Pause the RISC */ |
| 22 | ql_write32(qdev, CSR, CSR_CMD_SET_PAUSE); |
| 23 | do { |
| 24 | tmp = ql_read32(qdev, CSR); |
| 25 | if (tmp & CSR_RP) |
| 26 | break; |
| 27 | mdelay(UDELAY_DELAY); |
| 28 | count--; |
| 29 | } while (count); |
| 30 | return (count == 0) ? -ETIMEDOUT : 0; |
| 31 | } |
| 32 | |
Ron Mercer | a2e809b | 2009-02-26 10:08:33 +0000 | [diff] [blame] | 33 | int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data) |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 34 | { |
| 35 | int status; |
| 36 | /* wait for reg to come ready */ |
| 37 | status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR); |
| 38 | if (status) |
| 39 | goto exit; |
| 40 | /* set up for reg read */ |
| 41 | ql_write32(qdev, PROC_ADDR, reg | PROC_ADDR_R); |
| 42 | /* wait for reg to come ready */ |
| 43 | status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR); |
| 44 | if (status) |
| 45 | goto exit; |
| 46 | /* get the data */ |
| 47 | *data = ql_read32(qdev, PROC_DATA); |
| 48 | exit: |
| 49 | return status; |
| 50 | } |
| 51 | |
Ron Mercer | a2e809b | 2009-02-26 10:08:33 +0000 | [diff] [blame] | 52 | int ql_write_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 data) |
| 53 | { |
| 54 | int status = 0; |
| 55 | /* wait for reg to come ready */ |
| 56 | status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR); |
| 57 | if (status) |
| 58 | goto exit; |
| 59 | /* write the data to the data reg */ |
| 60 | ql_write32(qdev, PROC_DATA, data); |
| 61 | /* trigger the write */ |
| 62 | ql_write32(qdev, PROC_ADDR, reg); |
| 63 | /* wait for reg to come ready */ |
| 64 | status = ql_wait_reg_rdy(qdev, PROC_ADDR, PROC_ADDR_RDY, PROC_ADDR_ERR); |
| 65 | if (status) |
| 66 | goto exit; |
| 67 | exit: |
| 68 | return status; |
| 69 | } |
| 70 | |
| 71 | int ql_soft_reset_mpi_risc(struct ql_adapter *qdev) |
| 72 | { |
| 73 | int status; |
| 74 | status = ql_write_mpi_reg(qdev, 0x00001010, 1); |
| 75 | return status; |
| 76 | } |
| 77 | |
Ron Mercer | 8aae260 | 2010-01-15 13:31:28 +0000 | [diff] [blame^] | 78 | /* Determine if we are in charge of the firwmare. If |
| 79 | * we are the lower of the 2 NIC pcie functions, or if |
| 80 | * we are the higher function and the lower function |
| 81 | * is not enabled. |
| 82 | */ |
| 83 | int ql_own_firmware(struct ql_adapter *qdev) |
| 84 | { |
| 85 | u32 temp; |
| 86 | |
| 87 | /* If we are the lower of the 2 NIC functions |
| 88 | * on the chip the we are responsible for |
| 89 | * core dump and firmware reset after an error. |
| 90 | */ |
| 91 | if (qdev->func < qdev->alt_func) |
| 92 | return 1; |
| 93 | |
| 94 | /* If we are the higher of the 2 NIC functions |
| 95 | * on the chip and the lower function is not |
| 96 | * enabled, then we are responsible for |
| 97 | * core dump and firmware reset after an error. |
| 98 | */ |
| 99 | temp = ql_read32(qdev, STS); |
| 100 | if (!(temp & (1 << (8 + qdev->alt_func)))) |
| 101 | return 1; |
| 102 | |
| 103 | return 0; |
| 104 | |
| 105 | } |
| 106 | |
Hannes Eder | 2f22d22 | 2008-12-26 00:04:53 -0800 | [diff] [blame] | 107 | static int ql_get_mb_sts(struct ql_adapter *qdev, struct mbox_params *mbcp) |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 108 | { |
| 109 | int i, status; |
| 110 | |
| 111 | status = ql_sem_spinlock(qdev, SEM_PROC_REG_MASK); |
| 112 | if (status) |
| 113 | return -EBUSY; |
| 114 | for (i = 0; i < mbcp->out_count; i++) { |
| 115 | status = |
Ron Mercer | a2e809b | 2009-02-26 10:08:33 +0000 | [diff] [blame] | 116 | ql_read_mpi_reg(qdev, qdev->mailbox_out + i, |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 117 | &mbcp->mbox_out[i]); |
| 118 | if (status) { |
| 119 | QPRINTK(qdev, DRV, ERR, "Failed mailbox read.\n"); |
| 120 | break; |
| 121 | } |
| 122 | } |
| 123 | ql_sem_unlock(qdev, SEM_PROC_REG_MASK); /* does flush too */ |
| 124 | return status; |
| 125 | } |
| 126 | |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 127 | /* Wait for a single mailbox command to complete. |
| 128 | * Returns zero on success. |
| 129 | */ |
| 130 | static int ql_wait_mbx_cmd_cmplt(struct ql_adapter *qdev) |
| 131 | { |
Ron Mercer | 365da87 | 2009-06-07 13:58:29 +0000 | [diff] [blame] | 132 | int count = 100; |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 133 | u32 value; |
| 134 | |
| 135 | do { |
| 136 | value = ql_read32(qdev, STS); |
| 137 | if (value & STS_PI) |
| 138 | return 0; |
Ron Mercer | 365da87 | 2009-06-07 13:58:29 +0000 | [diff] [blame] | 139 | mdelay(UDELAY_DELAY); /* 100ms */ |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 140 | } while (--count); |
| 141 | return -ETIMEDOUT; |
| 142 | } |
| 143 | |
| 144 | /* Execute a single mailbox command. |
| 145 | * Caller must hold PROC_ADDR semaphore. |
| 146 | */ |
| 147 | static int ql_exec_mb_cmd(struct ql_adapter *qdev, struct mbox_params *mbcp) |
| 148 | { |
| 149 | int i, status; |
| 150 | |
| 151 | /* |
| 152 | * Make sure there's nothing pending. |
| 153 | * This shouldn't happen. |
| 154 | */ |
| 155 | if (ql_read32(qdev, CSR) & CSR_HRI) |
| 156 | return -EIO; |
| 157 | |
| 158 | status = ql_sem_spinlock(qdev, SEM_PROC_REG_MASK); |
| 159 | if (status) |
| 160 | return status; |
| 161 | |
| 162 | /* |
| 163 | * Fill the outbound mailboxes. |
| 164 | */ |
| 165 | for (i = 0; i < mbcp->in_count; i++) { |
| 166 | status = ql_write_mpi_reg(qdev, qdev->mailbox_in + i, |
| 167 | mbcp->mbox_in[i]); |
| 168 | if (status) |
| 169 | goto end; |
| 170 | } |
| 171 | /* |
| 172 | * Wake up the MPI firmware. |
| 173 | */ |
| 174 | ql_write32(qdev, CSR, CSR_CMD_SET_H2R_INT); |
| 175 | end: |
| 176 | ql_sem_unlock(qdev, SEM_PROC_REG_MASK); |
| 177 | return status; |
| 178 | } |
| 179 | |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 180 | /* We are being asked by firmware to accept |
| 181 | * a change to the port. This is only |
| 182 | * a change to max frame sizes (Tx/Rx), pause |
Martin Olsson | 98a1708 | 2009-04-22 18:21:29 +0200 | [diff] [blame] | 183 | * parameters, or loopback mode. We wake up a worker |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 184 | * to handler processing this since a mailbox command |
| 185 | * will need to be sent to ACK the request. |
| 186 | */ |
| 187 | static int ql_idc_req_aen(struct ql_adapter *qdev) |
| 188 | { |
| 189 | int status; |
| 190 | struct mbox_params *mbcp = &qdev->idc_mbc; |
| 191 | |
| 192 | QPRINTK(qdev, DRV, ERR, "Enter!\n"); |
| 193 | /* Get the status data and start up a thread to |
| 194 | * handle the request. |
| 195 | */ |
| 196 | mbcp = &qdev->idc_mbc; |
| 197 | mbcp->out_count = 4; |
| 198 | status = ql_get_mb_sts(qdev, mbcp); |
| 199 | if (status) { |
| 200 | QPRINTK(qdev, DRV, ERR, |
| 201 | "Could not read MPI, resetting ASIC!\n"); |
| 202 | ql_queue_asic_error(qdev); |
| 203 | } else { |
| 204 | /* Begin polled mode early so |
| 205 | * we don't get another interrupt |
| 206 | * when we leave mpi_worker. |
| 207 | */ |
| 208 | ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16)); |
| 209 | queue_delayed_work(qdev->workqueue, &qdev->mpi_idc_work, 0); |
| 210 | } |
| 211 | return status; |
| 212 | } |
| 213 | |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 214 | /* Process an inter-device event completion. |
| 215 | * If good, signal the caller's completion. |
| 216 | */ |
| 217 | static int ql_idc_cmplt_aen(struct ql_adapter *qdev) |
| 218 | { |
| 219 | int status; |
| 220 | struct mbox_params *mbcp = &qdev->idc_mbc; |
| 221 | mbcp->out_count = 4; |
| 222 | status = ql_get_mb_sts(qdev, mbcp); |
| 223 | if (status) { |
| 224 | QPRINTK(qdev, DRV, ERR, |
| 225 | "Could not read MPI, resetting RISC!\n"); |
| 226 | ql_queue_fw_error(qdev); |
| 227 | } else |
| 228 | /* Wake up the sleeping mpi_idc_work thread that is |
| 229 | * waiting for this event. |
| 230 | */ |
| 231 | complete(&qdev->ide_completion); |
| 232 | |
| 233 | return status; |
| 234 | } |
Ron Mercer | 5700abe | 2009-03-03 12:10:32 +0000 | [diff] [blame] | 235 | |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 236 | static void ql_link_up(struct ql_adapter *qdev, struct mbox_params *mbcp) |
| 237 | { |
Ron Mercer | 5700abe | 2009-03-03 12:10:32 +0000 | [diff] [blame] | 238 | int status; |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 239 | mbcp->out_count = 2; |
| 240 | |
Ron Mercer | 5700abe | 2009-03-03 12:10:32 +0000 | [diff] [blame] | 241 | status = ql_get_mb_sts(qdev, mbcp); |
| 242 | if (status) { |
| 243 | QPRINTK(qdev, DRV, ERR, |
| 244 | "%s: Could not get mailbox status.\n", __func__); |
| 245 | return; |
| 246 | } |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 247 | |
| 248 | qdev->link_status = mbcp->mbox_out[1]; |
| 249 | QPRINTK(qdev, DRV, ERR, "Link Up.\n"); |
Ron Mercer | 5700abe | 2009-03-03 12:10:32 +0000 | [diff] [blame] | 250 | |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 251 | /* If we're coming back from an IDC event |
| 252 | * then set up the CAM and frame routing. |
| 253 | */ |
| 254 | if (test_bit(QL_CAM_RT_SET, &qdev->flags)) { |
| 255 | status = ql_cam_route_initialize(qdev); |
| 256 | if (status) { |
| 257 | QPRINTK(qdev, IFUP, ERR, |
| 258 | "Failed to init CAM/Routing tables.\n"); |
| 259 | return; |
| 260 | } else |
| 261 | clear_bit(QL_CAM_RT_SET, &qdev->flags); |
| 262 | } |
| 263 | |
| 264 | /* Queue up a worker to check the frame |
| 265 | * size information, and fix it if it's not |
| 266 | * to our liking. |
| 267 | */ |
| 268 | if (!test_bit(QL_PORT_CFG, &qdev->flags)) { |
| 269 | QPRINTK(qdev, DRV, ERR, "Queue Port Config Worker!\n"); |
| 270 | set_bit(QL_PORT_CFG, &qdev->flags); |
| 271 | /* Begin polled mode early so |
| 272 | * we don't get another interrupt |
| 273 | * when we leave mpi_worker dpc. |
| 274 | */ |
| 275 | ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16)); |
| 276 | queue_delayed_work(qdev->workqueue, |
| 277 | &qdev->mpi_port_cfg_work, 0); |
| 278 | } |
| 279 | |
Ron Mercer | 6a47330 | 2009-07-02 06:06:12 +0000 | [diff] [blame] | 280 | ql_link_on(qdev); |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | static void ql_link_down(struct ql_adapter *qdev, struct mbox_params *mbcp) |
| 284 | { |
Ron Mercer | 11d9fe6 | 2009-03-03 12:10:31 +0000 | [diff] [blame] | 285 | int status; |
| 286 | |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 287 | mbcp->out_count = 3; |
| 288 | |
Ron Mercer | 11d9fe6 | 2009-03-03 12:10:31 +0000 | [diff] [blame] | 289 | status = ql_get_mb_sts(qdev, mbcp); |
| 290 | if (status) |
| 291 | QPRINTK(qdev, DRV, ERR, "Link down AEN broken!\n"); |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 292 | |
Ron Mercer | 6a47330 | 2009-07-02 06:06:12 +0000 | [diff] [blame] | 293 | ql_link_off(qdev); |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 294 | } |
| 295 | |
Ron Mercer | eae6b58 | 2009-03-03 12:10:30 +0000 | [diff] [blame] | 296 | static int ql_sfp_in(struct ql_adapter *qdev, struct mbox_params *mbcp) |
| 297 | { |
| 298 | int status; |
| 299 | |
| 300 | mbcp->out_count = 5; |
| 301 | |
| 302 | status = ql_get_mb_sts(qdev, mbcp); |
| 303 | if (status) |
| 304 | QPRINTK(qdev, DRV, ERR, "SFP in AEN broken!\n"); |
| 305 | else |
| 306 | QPRINTK(qdev, DRV, ERR, "SFP insertion detected.\n"); |
| 307 | |
| 308 | return status; |
| 309 | } |
| 310 | |
| 311 | static int ql_sfp_out(struct ql_adapter *qdev, struct mbox_params *mbcp) |
| 312 | { |
| 313 | int status; |
| 314 | |
| 315 | mbcp->out_count = 1; |
| 316 | |
| 317 | status = ql_get_mb_sts(qdev, mbcp); |
| 318 | if (status) |
| 319 | QPRINTK(qdev, DRV, ERR, "SFP out AEN broken!\n"); |
| 320 | else |
| 321 | QPRINTK(qdev, DRV, ERR, "SFP removal detected.\n"); |
| 322 | |
| 323 | return status; |
| 324 | } |
| 325 | |
Ron Mercer | fc1f9ea | 2009-03-03 12:10:37 +0000 | [diff] [blame] | 326 | static int ql_aen_lost(struct ql_adapter *qdev, struct mbox_params *mbcp) |
| 327 | { |
| 328 | int status; |
| 329 | |
| 330 | mbcp->out_count = 6; |
| 331 | |
| 332 | status = ql_get_mb_sts(qdev, mbcp); |
| 333 | if (status) |
| 334 | QPRINTK(qdev, DRV, ERR, "Lost AEN broken!\n"); |
| 335 | else { |
| 336 | int i; |
| 337 | QPRINTK(qdev, DRV, ERR, "Lost AEN detected.\n"); |
| 338 | for (i = 0; i < mbcp->out_count; i++) |
| 339 | QPRINTK(qdev, DRV, ERR, "mbox_out[%d] = 0x%.08x.\n", |
| 340 | i, mbcp->mbox_out[i]); |
| 341 | |
| 342 | } |
| 343 | |
| 344 | return status; |
| 345 | } |
| 346 | |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 347 | static void ql_init_fw_done(struct ql_adapter *qdev, struct mbox_params *mbcp) |
| 348 | { |
Ron Mercer | f56b54f | 2009-03-03 12:10:34 +0000 | [diff] [blame] | 349 | int status; |
| 350 | |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 351 | mbcp->out_count = 2; |
| 352 | |
Ron Mercer | f56b54f | 2009-03-03 12:10:34 +0000 | [diff] [blame] | 353 | status = ql_get_mb_sts(qdev, mbcp); |
| 354 | if (status) { |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 355 | QPRINTK(qdev, DRV, ERR, "Firmware did not initialize!\n"); |
Ron Mercer | f56b54f | 2009-03-03 12:10:34 +0000 | [diff] [blame] | 356 | } else { |
| 357 | QPRINTK(qdev, DRV, ERR, "Firmware Revision = 0x%.08x.\n", |
| 358 | mbcp->mbox_out[1]); |
Ron Mercer | 88051b4 | 2009-10-10 09:35:06 +0000 | [diff] [blame] | 359 | qdev->fw_rev_id = mbcp->mbox_out[1]; |
Ron Mercer | f56b54f | 2009-03-03 12:10:34 +0000 | [diff] [blame] | 360 | status = ql_cam_route_initialize(qdev); |
| 361 | if (status) |
| 362 | QPRINTK(qdev, IFUP, ERR, |
| 363 | "Failed to init CAM/Routing tables.\n"); |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 364 | } |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 365 | } |
| 366 | |
Ron Mercer | 125844e | 2009-02-26 10:08:34 +0000 | [diff] [blame] | 367 | /* Process an async event and clear it unless it's an |
| 368 | * error condition. |
| 369 | * This can get called iteratively from the mpi_work thread |
| 370 | * when events arrive via an interrupt. |
| 371 | * It also gets called when a mailbox command is polling for |
| 372 | * it's completion. */ |
| 373 | static int ql_mpi_handler(struct ql_adapter *qdev, struct mbox_params *mbcp) |
| 374 | { |
| 375 | int status; |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 376 | int orig_count = mbcp->out_count; |
Ron Mercer | 125844e | 2009-02-26 10:08:34 +0000 | [diff] [blame] | 377 | |
| 378 | /* Just get mailbox zero for now. */ |
| 379 | mbcp->out_count = 1; |
| 380 | status = ql_get_mb_sts(qdev, mbcp); |
| 381 | if (status) { |
| 382 | QPRINTK(qdev, DRV, ERR, |
| 383 | "Could not read MPI, resetting ASIC!\n"); |
| 384 | ql_queue_asic_error(qdev); |
| 385 | goto end; |
| 386 | } |
| 387 | |
| 388 | switch (mbcp->mbox_out[0]) { |
| 389 | |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 390 | /* This case is only active when we arrive here |
| 391 | * as a result of issuing a mailbox command to |
| 392 | * the firmware. |
| 393 | */ |
| 394 | case MB_CMD_STS_INTRMDT: |
| 395 | case MB_CMD_STS_GOOD: |
| 396 | case MB_CMD_STS_INVLD_CMD: |
| 397 | case MB_CMD_STS_XFC_ERR: |
| 398 | case MB_CMD_STS_CSUM_ERR: |
| 399 | case MB_CMD_STS_ERR: |
| 400 | case MB_CMD_STS_PARAM_ERR: |
| 401 | /* We can only get mailbox status if we're polling from an |
| 402 | * unfinished command. Get the rest of the status data and |
| 403 | * return back to the caller. |
| 404 | * We only end up here when we're polling for a mailbox |
| 405 | * command completion. |
| 406 | */ |
| 407 | mbcp->out_count = orig_count; |
| 408 | status = ql_get_mb_sts(qdev, mbcp); |
| 409 | return status; |
| 410 | |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 411 | /* We are being asked by firmware to accept |
| 412 | * a change to the port. This is only |
| 413 | * a change to max frame sizes (Tx/Rx), pause |
Martin Olsson | 98a1708 | 2009-04-22 18:21:29 +0200 | [diff] [blame] | 414 | * parameters, or loopback mode. |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 415 | */ |
| 416 | case AEN_IDC_REQ: |
| 417 | status = ql_idc_req_aen(qdev); |
| 418 | break; |
| 419 | |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 420 | /* Process and inbound IDC event. |
| 421 | * This will happen when we're trying to |
| 422 | * change tx/rx max frame size, change pause |
Martin Olsson | 98a1708 | 2009-04-22 18:21:29 +0200 | [diff] [blame] | 423 | * parameters or loopback mode. |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 424 | */ |
| 425 | case AEN_IDC_CMPLT: |
| 426 | case AEN_IDC_EXT: |
| 427 | status = ql_idc_cmplt_aen(qdev); |
| 428 | break; |
| 429 | |
Ron Mercer | 125844e | 2009-02-26 10:08:34 +0000 | [diff] [blame] | 430 | case AEN_LINK_UP: |
| 431 | ql_link_up(qdev, mbcp); |
| 432 | break; |
| 433 | |
| 434 | case AEN_LINK_DOWN: |
| 435 | ql_link_down(qdev, mbcp); |
| 436 | break; |
| 437 | |
| 438 | case AEN_FW_INIT_DONE: |
Ron Mercer | f56b54f | 2009-03-03 12:10:34 +0000 | [diff] [blame] | 439 | /* If we're in process on executing the firmware, |
| 440 | * then convert the status to normal mailbox status. |
| 441 | */ |
| 442 | if (mbcp->mbox_in[0] == MB_CMD_EX_FW) { |
| 443 | mbcp->out_count = orig_count; |
| 444 | status = ql_get_mb_sts(qdev, mbcp); |
| 445 | mbcp->mbox_out[0] = MB_CMD_STS_GOOD; |
| 446 | return status; |
| 447 | } |
Ron Mercer | 125844e | 2009-02-26 10:08:34 +0000 | [diff] [blame] | 448 | ql_init_fw_done(qdev, mbcp); |
| 449 | break; |
| 450 | |
Ron Mercer | eae6b58 | 2009-03-03 12:10:30 +0000 | [diff] [blame] | 451 | case AEN_AEN_SFP_IN: |
| 452 | ql_sfp_in(qdev, mbcp); |
| 453 | break; |
| 454 | |
| 455 | case AEN_AEN_SFP_OUT: |
| 456 | ql_sfp_out(qdev, mbcp); |
| 457 | break; |
| 458 | |
Ron Mercer | 7c92191 | 2009-03-03 12:10:35 +0000 | [diff] [blame] | 459 | /* This event can arrive at boot time or after an |
| 460 | * MPI reset if the firmware failed to initialize. |
| 461 | */ |
Ron Mercer | 125844e | 2009-02-26 10:08:34 +0000 | [diff] [blame] | 462 | case AEN_FW_INIT_FAIL: |
Ron Mercer | 7c92191 | 2009-03-03 12:10:35 +0000 | [diff] [blame] | 463 | /* If we're in process on executing the firmware, |
| 464 | * then convert the status to normal mailbox status. |
| 465 | */ |
| 466 | if (mbcp->mbox_in[0] == MB_CMD_EX_FW) { |
| 467 | mbcp->out_count = orig_count; |
| 468 | status = ql_get_mb_sts(qdev, mbcp); |
| 469 | mbcp->mbox_out[0] = MB_CMD_STS_ERR; |
| 470 | return status; |
| 471 | } |
| 472 | QPRINTK(qdev, DRV, ERR, |
| 473 | "Firmware initialization failed.\n"); |
| 474 | status = -EIO; |
| 475 | ql_queue_fw_error(qdev); |
| 476 | break; |
| 477 | |
Ron Mercer | 125844e | 2009-02-26 10:08:34 +0000 | [diff] [blame] | 478 | case AEN_SYS_ERR: |
Ron Mercer | bb66767 | 2009-03-03 12:10:36 +0000 | [diff] [blame] | 479 | QPRINTK(qdev, DRV, ERR, |
| 480 | "System Error.\n"); |
Ron Mercer | 125844e | 2009-02-26 10:08:34 +0000 | [diff] [blame] | 481 | ql_queue_fw_error(qdev); |
Ron Mercer | bb66767 | 2009-03-03 12:10:36 +0000 | [diff] [blame] | 482 | status = -EIO; |
Ron Mercer | 125844e | 2009-02-26 10:08:34 +0000 | [diff] [blame] | 483 | break; |
| 484 | |
Ron Mercer | fc1f9ea | 2009-03-03 12:10:37 +0000 | [diff] [blame] | 485 | case AEN_AEN_LOST: |
| 486 | ql_aen_lost(qdev, mbcp); |
| 487 | break; |
| 488 | |
Ron Mercer | 91ced68 | 2009-10-10 09:35:05 +0000 | [diff] [blame] | 489 | case AEN_DCBX_CHG: |
| 490 | /* Need to support AEN 8110 */ |
| 491 | break; |
Ron Mercer | 125844e | 2009-02-26 10:08:34 +0000 | [diff] [blame] | 492 | default: |
| 493 | QPRINTK(qdev, DRV, ERR, |
| 494 | "Unsupported AE %.08x.\n", mbcp->mbox_out[0]); |
| 495 | /* Clear the MPI firmware status. */ |
| 496 | } |
| 497 | end: |
| 498 | ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT); |
Ron Mercer | 709ac4f | 2009-06-07 13:58:26 +0000 | [diff] [blame] | 499 | /* Restore the original mailbox count to |
| 500 | * what the caller asked for. This can get |
| 501 | * changed when a mailbox command is waiting |
| 502 | * for a response and an AEN arrives and |
| 503 | * is handled. |
| 504 | * */ |
| 505 | mbcp->out_count = orig_count; |
Ron Mercer | 125844e | 2009-02-26 10:08:34 +0000 | [diff] [blame] | 506 | return status; |
| 507 | } |
| 508 | |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 509 | /* Execute a single mailbox command. |
| 510 | * mbcp is a pointer to an array of u32. Each |
| 511 | * element in the array contains the value for it's |
| 512 | * respective mailbox register. |
| 513 | */ |
| 514 | static int ql_mailbox_command(struct ql_adapter *qdev, struct mbox_params *mbcp) |
| 515 | { |
Ron Mercer | da03945 | 2009-10-28 08:39:21 +0000 | [diff] [blame] | 516 | int status; |
| 517 | unsigned long count; |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 518 | |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 519 | |
| 520 | /* Begin polled mode for MPI */ |
| 521 | ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16)); |
| 522 | |
| 523 | /* Load the mailbox registers and wake up MPI RISC. */ |
| 524 | status = ql_exec_mb_cmd(qdev, mbcp); |
| 525 | if (status) |
| 526 | goto end; |
| 527 | |
| 528 | |
| 529 | /* If we're generating a system error, then there's nothing |
| 530 | * to wait for. |
| 531 | */ |
| 532 | if (mbcp->mbox_in[0] == MB_CMD_MAKE_SYS_ERR) |
| 533 | goto end; |
| 534 | |
| 535 | /* Wait for the command to complete. We loop |
| 536 | * here because some AEN might arrive while |
| 537 | * we're waiting for the mailbox command to |
Ron Mercer | da03945 | 2009-10-28 08:39:21 +0000 | [diff] [blame] | 538 | * complete. If more than 5 seconds expire we can |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 539 | * assume something is wrong. */ |
Ron Mercer | da03945 | 2009-10-28 08:39:21 +0000 | [diff] [blame] | 540 | count = jiffies + HZ * MAILBOX_TIMEOUT; |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 541 | do { |
| 542 | /* Wait for the interrupt to come in. */ |
| 543 | status = ql_wait_mbx_cmd_cmplt(qdev); |
| 544 | if (status) |
Ron Mercer | 60fa6c3 | 2009-11-06 07:44:57 +0000 | [diff] [blame] | 545 | continue; |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 546 | |
| 547 | /* Process the event. If it's an AEN, it |
| 548 | * will be handled in-line or a worker |
| 549 | * will be spawned. If it's our completion |
| 550 | * we will catch it below. |
| 551 | */ |
| 552 | status = ql_mpi_handler(qdev, mbcp); |
| 553 | if (status) |
| 554 | goto end; |
| 555 | |
| 556 | /* It's either the completion for our mailbox |
| 557 | * command complete or an AEN. If it's our |
| 558 | * completion then get out. |
| 559 | */ |
| 560 | if (((mbcp->mbox_out[0] & 0x0000f000) == |
| 561 | MB_CMD_STS_GOOD) || |
| 562 | ((mbcp->mbox_out[0] & 0x0000f000) == |
| 563 | MB_CMD_STS_INTRMDT)) |
Ron Mercer | da03945 | 2009-10-28 08:39:21 +0000 | [diff] [blame] | 564 | goto done; |
| 565 | } while (time_before(jiffies, count)); |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 566 | |
Ron Mercer | da03945 | 2009-10-28 08:39:21 +0000 | [diff] [blame] | 567 | QPRINTK(qdev, DRV, ERR, |
| 568 | "Timed out waiting for mailbox complete.\n"); |
| 569 | status = -ETIMEDOUT; |
| 570 | goto end; |
| 571 | |
| 572 | done: |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 573 | |
| 574 | /* Now we can clear the interrupt condition |
| 575 | * and look at our status. |
| 576 | */ |
| 577 | ql_write32(qdev, CSR, CSR_CMD_CLR_R2PCI_INT); |
| 578 | |
| 579 | if (((mbcp->mbox_out[0] & 0x0000f000) != |
| 580 | MB_CMD_STS_GOOD) && |
| 581 | ((mbcp->mbox_out[0] & 0x0000f000) != |
| 582 | MB_CMD_STS_INTRMDT)) { |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 583 | status = -EIO; |
| 584 | } |
| 585 | end: |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 586 | /* End polled mode for MPI */ |
| 587 | ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16) | INTR_MASK_PI); |
| 588 | return status; |
| 589 | } |
| 590 | |
Ron Mercer | cfec0cb | 2009-06-09 05:39:29 +0000 | [diff] [blame] | 591 | |
| 592 | /* Get MPI firmware version. This will be used for |
| 593 | * driver banner and for ethtool info. |
| 594 | * Returns zero on success. |
| 595 | */ |
| 596 | int ql_mb_about_fw(struct ql_adapter *qdev) |
| 597 | { |
| 598 | struct mbox_params mbc; |
| 599 | struct mbox_params *mbcp = &mbc; |
| 600 | int status = 0; |
| 601 | |
| 602 | memset(mbcp, 0, sizeof(struct mbox_params)); |
| 603 | |
| 604 | mbcp->in_count = 1; |
| 605 | mbcp->out_count = 3; |
| 606 | |
| 607 | mbcp->mbox_in[0] = MB_CMD_ABOUT_FW; |
| 608 | |
| 609 | status = ql_mailbox_command(qdev, mbcp); |
| 610 | if (status) |
| 611 | return status; |
| 612 | |
| 613 | if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) { |
| 614 | QPRINTK(qdev, DRV, ERR, |
| 615 | "Failed about firmware command\n"); |
| 616 | status = -EIO; |
| 617 | } |
| 618 | |
| 619 | /* Store the firmware version */ |
| 620 | qdev->fw_rev_id = mbcp->mbox_out[1]; |
| 621 | |
| 622 | return status; |
| 623 | } |
| 624 | |
Ron Mercer | ca0413b | 2009-03-02 08:07:30 +0000 | [diff] [blame] | 625 | /* Get functional state for MPI firmware. |
| 626 | * Returns zero on success. |
| 627 | */ |
| 628 | int ql_mb_get_fw_state(struct ql_adapter *qdev) |
| 629 | { |
| 630 | struct mbox_params mbc; |
| 631 | struct mbox_params *mbcp = &mbc; |
| 632 | int status = 0; |
| 633 | |
| 634 | memset(mbcp, 0, sizeof(struct mbox_params)); |
| 635 | |
| 636 | mbcp->in_count = 1; |
| 637 | mbcp->out_count = 2; |
| 638 | |
| 639 | mbcp->mbox_in[0] = MB_CMD_GET_FW_STATE; |
| 640 | |
| 641 | status = ql_mailbox_command(qdev, mbcp); |
| 642 | if (status) |
| 643 | return status; |
| 644 | |
| 645 | if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) { |
| 646 | QPRINTK(qdev, DRV, ERR, |
| 647 | "Failed Get Firmware State.\n"); |
| 648 | status = -EIO; |
| 649 | } |
| 650 | |
| 651 | /* If bit zero is set in mbx 1 then the firmware is |
| 652 | * running, but not initialized. This should never |
| 653 | * happen. |
| 654 | */ |
| 655 | if (mbcp->mbox_out[1] & 1) { |
| 656 | QPRINTK(qdev, DRV, ERR, |
| 657 | "Firmware waiting for initialization.\n"); |
| 658 | status = -EIO; |
| 659 | } |
| 660 | |
| 661 | return status; |
| 662 | } |
| 663 | |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 664 | /* Send and ACK mailbox command to the firmware to |
| 665 | * let it continue with the change. |
| 666 | */ |
| 667 | int ql_mb_idc_ack(struct ql_adapter *qdev) |
| 668 | { |
| 669 | struct mbox_params mbc; |
| 670 | struct mbox_params *mbcp = &mbc; |
| 671 | int status = 0; |
| 672 | |
| 673 | memset(mbcp, 0, sizeof(struct mbox_params)); |
| 674 | |
| 675 | mbcp->in_count = 5; |
| 676 | mbcp->out_count = 1; |
| 677 | |
| 678 | mbcp->mbox_in[0] = MB_CMD_IDC_ACK; |
| 679 | mbcp->mbox_in[1] = qdev->idc_mbc.mbox_out[1]; |
| 680 | mbcp->mbox_in[2] = qdev->idc_mbc.mbox_out[2]; |
| 681 | mbcp->mbox_in[3] = qdev->idc_mbc.mbox_out[3]; |
| 682 | mbcp->mbox_in[4] = qdev->idc_mbc.mbox_out[4]; |
| 683 | |
| 684 | status = ql_mailbox_command(qdev, mbcp); |
| 685 | if (status) |
| 686 | return status; |
| 687 | |
| 688 | if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) { |
| 689 | QPRINTK(qdev, DRV, ERR, |
| 690 | "Failed IDC ACK send.\n"); |
| 691 | status = -EIO; |
| 692 | } |
| 693 | return status; |
| 694 | } |
| 695 | |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 696 | /* Get link settings and maximum frame size settings |
| 697 | * for the current port. |
| 698 | * Most likely will block. |
| 699 | */ |
Ron Mercer | 1d30df2 | 2009-10-21 11:07:38 +0000 | [diff] [blame] | 700 | int ql_mb_set_port_cfg(struct ql_adapter *qdev) |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 701 | { |
| 702 | struct mbox_params mbc; |
| 703 | struct mbox_params *mbcp = &mbc; |
| 704 | int status = 0; |
| 705 | |
| 706 | memset(mbcp, 0, sizeof(struct mbox_params)); |
| 707 | |
| 708 | mbcp->in_count = 3; |
| 709 | mbcp->out_count = 1; |
| 710 | |
| 711 | mbcp->mbox_in[0] = MB_CMD_SET_PORT_CFG; |
| 712 | mbcp->mbox_in[1] = qdev->link_config; |
| 713 | mbcp->mbox_in[2] = qdev->max_frame_size; |
| 714 | |
| 715 | |
| 716 | status = ql_mailbox_command(qdev, mbcp); |
| 717 | if (status) |
| 718 | return status; |
| 719 | |
| 720 | if (mbcp->mbox_out[0] == MB_CMD_STS_INTRMDT) { |
| 721 | QPRINTK(qdev, DRV, ERR, |
| 722 | "Port Config sent, wait for IDC.\n"); |
| 723 | } else if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) { |
| 724 | QPRINTK(qdev, DRV, ERR, |
| 725 | "Failed Set Port Configuration.\n"); |
| 726 | status = -EIO; |
| 727 | } |
| 728 | return status; |
| 729 | } |
| 730 | |
| 731 | /* Get link settings and maximum frame size settings |
| 732 | * for the current port. |
| 733 | * Most likely will block. |
| 734 | */ |
Ron Mercer | 1d30df2 | 2009-10-21 11:07:38 +0000 | [diff] [blame] | 735 | int ql_mb_get_port_cfg(struct ql_adapter *qdev) |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 736 | { |
| 737 | struct mbox_params mbc; |
| 738 | struct mbox_params *mbcp = &mbc; |
| 739 | int status = 0; |
| 740 | |
| 741 | memset(mbcp, 0, sizeof(struct mbox_params)); |
| 742 | |
| 743 | mbcp->in_count = 1; |
| 744 | mbcp->out_count = 3; |
| 745 | |
| 746 | mbcp->mbox_in[0] = MB_CMD_GET_PORT_CFG; |
| 747 | |
| 748 | status = ql_mailbox_command(qdev, mbcp); |
| 749 | if (status) |
| 750 | return status; |
| 751 | |
| 752 | if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) { |
| 753 | QPRINTK(qdev, DRV, ERR, |
| 754 | "Failed Get Port Configuration.\n"); |
| 755 | status = -EIO; |
| 756 | } else { |
| 757 | QPRINTK(qdev, DRV, DEBUG, |
| 758 | "Passed Get Port Configuration.\n"); |
| 759 | qdev->link_config = mbcp->mbox_out[1]; |
| 760 | qdev->max_frame_size = mbcp->mbox_out[2]; |
| 761 | } |
| 762 | return status; |
| 763 | } |
| 764 | |
Ron Mercer | bc083ce | 2009-10-21 11:07:40 +0000 | [diff] [blame] | 765 | int ql_mb_wol_mode(struct ql_adapter *qdev, u32 wol) |
| 766 | { |
| 767 | struct mbox_params mbc; |
| 768 | struct mbox_params *mbcp = &mbc; |
| 769 | int status; |
| 770 | |
| 771 | memset(mbcp, 0, sizeof(struct mbox_params)); |
| 772 | |
| 773 | mbcp->in_count = 2; |
| 774 | mbcp->out_count = 1; |
| 775 | |
| 776 | mbcp->mbox_in[0] = MB_CMD_SET_WOL_MODE; |
| 777 | mbcp->mbox_in[1] = wol; |
| 778 | |
| 779 | |
| 780 | status = ql_mailbox_command(qdev, mbcp); |
| 781 | if (status) |
| 782 | return status; |
| 783 | |
| 784 | if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) { |
| 785 | QPRINTK(qdev, DRV, ERR, |
| 786 | "Failed to set WOL mode.\n"); |
| 787 | status = -EIO; |
| 788 | } |
| 789 | return status; |
| 790 | } |
| 791 | |
| 792 | int ql_mb_wol_set_magic(struct ql_adapter *qdev, u32 enable_wol) |
| 793 | { |
| 794 | struct mbox_params mbc; |
| 795 | struct mbox_params *mbcp = &mbc; |
| 796 | int status; |
| 797 | u8 *addr = qdev->ndev->dev_addr; |
| 798 | |
| 799 | memset(mbcp, 0, sizeof(struct mbox_params)); |
| 800 | |
| 801 | mbcp->in_count = 8; |
| 802 | mbcp->out_count = 1; |
| 803 | |
| 804 | mbcp->mbox_in[0] = MB_CMD_SET_WOL_MAGIC; |
| 805 | if (enable_wol) { |
| 806 | mbcp->mbox_in[1] = (u32)addr[0]; |
| 807 | mbcp->mbox_in[2] = (u32)addr[1]; |
| 808 | mbcp->mbox_in[3] = (u32)addr[2]; |
| 809 | mbcp->mbox_in[4] = (u32)addr[3]; |
| 810 | mbcp->mbox_in[5] = (u32)addr[4]; |
| 811 | mbcp->mbox_in[6] = (u32)addr[5]; |
| 812 | mbcp->mbox_in[7] = 0; |
| 813 | } else { |
| 814 | mbcp->mbox_in[1] = 0; |
| 815 | mbcp->mbox_in[2] = 1; |
| 816 | mbcp->mbox_in[3] = 1; |
| 817 | mbcp->mbox_in[4] = 1; |
| 818 | mbcp->mbox_in[5] = 1; |
| 819 | mbcp->mbox_in[6] = 1; |
| 820 | mbcp->mbox_in[7] = 0; |
| 821 | } |
| 822 | |
| 823 | status = ql_mailbox_command(qdev, mbcp); |
| 824 | if (status) |
| 825 | return status; |
| 826 | |
| 827 | if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) { |
| 828 | QPRINTK(qdev, DRV, ERR, |
| 829 | "Failed to set WOL mode.\n"); |
| 830 | status = -EIO; |
| 831 | } |
| 832 | return status; |
| 833 | } |
| 834 | |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 835 | /* IDC - Inter Device Communication... |
| 836 | * Some firmware commands require consent of adjacent FCOE |
| 837 | * function. This function waits for the OK, or a |
| 838 | * counter-request for a little more time.i |
| 839 | * The firmware will complete the request if the other |
| 840 | * function doesn't respond. |
| 841 | */ |
| 842 | static int ql_idc_wait(struct ql_adapter *qdev) |
| 843 | { |
| 844 | int status = -ETIMEDOUT; |
| 845 | long wait_time = 1 * HZ; |
| 846 | struct mbox_params *mbcp = &qdev->idc_mbc; |
| 847 | do { |
| 848 | /* Wait here for the command to complete |
| 849 | * via the IDC process. |
| 850 | */ |
| 851 | wait_time = |
| 852 | wait_for_completion_timeout(&qdev->ide_completion, |
| 853 | wait_time); |
| 854 | if (!wait_time) { |
| 855 | QPRINTK(qdev, DRV, ERR, |
| 856 | "IDC Timeout.\n"); |
| 857 | break; |
| 858 | } |
| 859 | /* Now examine the response from the IDC process. |
| 860 | * We might have a good completion or a request for |
| 861 | * more wait time. |
| 862 | */ |
| 863 | if (mbcp->mbox_out[0] == AEN_IDC_EXT) { |
| 864 | QPRINTK(qdev, DRV, ERR, |
| 865 | "IDC Time Extension from function.\n"); |
| 866 | wait_time += (mbcp->mbox_out[1] >> 8) & 0x0000000f; |
| 867 | } else if (mbcp->mbox_out[0] == AEN_IDC_CMPLT) { |
| 868 | QPRINTK(qdev, DRV, ERR, |
| 869 | "IDC Success.\n"); |
| 870 | status = 0; |
| 871 | break; |
| 872 | } else { |
| 873 | QPRINTK(qdev, DRV, ERR, |
| 874 | "IDC: Invalid State 0x%.04x.\n", |
| 875 | mbcp->mbox_out[0]); |
| 876 | status = -EIO; |
| 877 | break; |
| 878 | } |
| 879 | } while (wait_time); |
| 880 | |
| 881 | return status; |
| 882 | } |
| 883 | |
Ron Mercer | d8eb59d | 2009-10-21 11:07:39 +0000 | [diff] [blame] | 884 | int ql_mb_set_led_cfg(struct ql_adapter *qdev, u32 led_config) |
| 885 | { |
| 886 | struct mbox_params mbc; |
| 887 | struct mbox_params *mbcp = &mbc; |
| 888 | int status; |
| 889 | |
| 890 | memset(mbcp, 0, sizeof(struct mbox_params)); |
| 891 | |
| 892 | mbcp->in_count = 2; |
| 893 | mbcp->out_count = 1; |
| 894 | |
| 895 | mbcp->mbox_in[0] = MB_CMD_SET_LED_CFG; |
| 896 | mbcp->mbox_in[1] = led_config; |
| 897 | |
| 898 | |
| 899 | status = ql_mailbox_command(qdev, mbcp); |
| 900 | if (status) |
| 901 | return status; |
| 902 | |
| 903 | if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) { |
| 904 | QPRINTK(qdev, DRV, ERR, |
| 905 | "Failed to set LED Configuration.\n"); |
| 906 | status = -EIO; |
| 907 | } |
| 908 | |
| 909 | return status; |
| 910 | } |
| 911 | |
| 912 | int ql_mb_get_led_cfg(struct ql_adapter *qdev) |
| 913 | { |
| 914 | struct mbox_params mbc; |
| 915 | struct mbox_params *mbcp = &mbc; |
| 916 | int status; |
| 917 | |
| 918 | memset(mbcp, 0, sizeof(struct mbox_params)); |
| 919 | |
| 920 | mbcp->in_count = 1; |
| 921 | mbcp->out_count = 2; |
| 922 | |
| 923 | mbcp->mbox_in[0] = MB_CMD_GET_LED_CFG; |
| 924 | |
| 925 | status = ql_mailbox_command(qdev, mbcp); |
| 926 | if (status) |
| 927 | return status; |
| 928 | |
| 929 | if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) { |
| 930 | QPRINTK(qdev, DRV, ERR, |
| 931 | "Failed to get LED Configuration.\n"); |
| 932 | status = -EIO; |
| 933 | } else |
| 934 | qdev->led_config = mbcp->mbox_out[1]; |
| 935 | |
| 936 | return status; |
| 937 | } |
| 938 | |
Ron Mercer | 84087f4 | 2009-10-08 09:54:41 +0000 | [diff] [blame] | 939 | int ql_mb_set_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 control) |
| 940 | { |
| 941 | struct mbox_params mbc; |
| 942 | struct mbox_params *mbcp = &mbc; |
| 943 | int status; |
| 944 | |
| 945 | memset(mbcp, 0, sizeof(struct mbox_params)); |
| 946 | |
| 947 | mbcp->in_count = 1; |
| 948 | mbcp->out_count = 2; |
| 949 | |
| 950 | mbcp->mbox_in[0] = MB_CMD_SET_MGMNT_TFK_CTL; |
| 951 | mbcp->mbox_in[1] = control; |
| 952 | |
| 953 | status = ql_mailbox_command(qdev, mbcp); |
| 954 | if (status) |
| 955 | return status; |
| 956 | |
| 957 | if (mbcp->mbox_out[0] == MB_CMD_STS_GOOD) |
| 958 | return status; |
| 959 | |
| 960 | if (mbcp->mbox_out[0] == MB_CMD_STS_INVLD_CMD) { |
| 961 | QPRINTK(qdev, DRV, ERR, |
| 962 | "Command not supported by firmware.\n"); |
| 963 | status = -EINVAL; |
| 964 | } else if (mbcp->mbox_out[0] == MB_CMD_STS_ERR) { |
| 965 | /* This indicates that the firmware is |
| 966 | * already in the state we are trying to |
| 967 | * change it to. |
| 968 | */ |
| 969 | QPRINTK(qdev, DRV, ERR, |
| 970 | "Command parameters make no change.\n"); |
| 971 | } |
| 972 | return status; |
| 973 | } |
| 974 | |
| 975 | /* Returns a negative error code or the mailbox command status. */ |
| 976 | static int ql_mb_get_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 *control) |
| 977 | { |
| 978 | struct mbox_params mbc; |
| 979 | struct mbox_params *mbcp = &mbc; |
| 980 | int status; |
| 981 | |
| 982 | memset(mbcp, 0, sizeof(struct mbox_params)); |
| 983 | *control = 0; |
| 984 | |
| 985 | mbcp->in_count = 1; |
| 986 | mbcp->out_count = 1; |
| 987 | |
| 988 | mbcp->mbox_in[0] = MB_CMD_GET_MGMNT_TFK_CTL; |
| 989 | |
| 990 | status = ql_mailbox_command(qdev, mbcp); |
| 991 | if (status) |
| 992 | return status; |
| 993 | |
| 994 | if (mbcp->mbox_out[0] == MB_CMD_STS_GOOD) { |
| 995 | *control = mbcp->mbox_in[1]; |
| 996 | return status; |
| 997 | } |
| 998 | |
| 999 | if (mbcp->mbox_out[0] == MB_CMD_STS_INVLD_CMD) { |
| 1000 | QPRINTK(qdev, DRV, ERR, |
| 1001 | "Command not supported by firmware.\n"); |
| 1002 | status = -EINVAL; |
| 1003 | } else if (mbcp->mbox_out[0] == MB_CMD_STS_ERR) { |
| 1004 | QPRINTK(qdev, DRV, ERR, |
| 1005 | "Failed to get MPI traffic control.\n"); |
| 1006 | status = -EIO; |
| 1007 | } |
| 1008 | return status; |
| 1009 | } |
| 1010 | |
| 1011 | int ql_wait_fifo_empty(struct ql_adapter *qdev) |
| 1012 | { |
| 1013 | int count = 5; |
| 1014 | u32 mgmnt_fifo_empty; |
| 1015 | u32 nic_fifo_empty; |
| 1016 | |
| 1017 | do { |
| 1018 | nic_fifo_empty = ql_read32(qdev, STS) & STS_NFE; |
| 1019 | ql_mb_get_mgmnt_traffic_ctl(qdev, &mgmnt_fifo_empty); |
| 1020 | mgmnt_fifo_empty &= MB_GET_MPI_TFK_FIFO_EMPTY; |
| 1021 | if (nic_fifo_empty && mgmnt_fifo_empty) |
| 1022 | return 0; |
| 1023 | msleep(100); |
| 1024 | } while (count-- > 0); |
| 1025 | return -ETIMEDOUT; |
| 1026 | } |
| 1027 | |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 1028 | /* API called in work thread context to set new TX/RX |
| 1029 | * maximum frame size values to match MTU. |
| 1030 | */ |
| 1031 | static int ql_set_port_cfg(struct ql_adapter *qdev) |
| 1032 | { |
| 1033 | int status; |
Ron Mercer | 86aaf9a | 2009-10-05 11:46:49 +0000 | [diff] [blame] | 1034 | rtnl_lock(); |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 1035 | status = ql_mb_set_port_cfg(qdev); |
Ron Mercer | 86aaf9a | 2009-10-05 11:46:49 +0000 | [diff] [blame] | 1036 | rtnl_unlock(); |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 1037 | if (status) |
| 1038 | return status; |
| 1039 | status = ql_idc_wait(qdev); |
| 1040 | return status; |
| 1041 | } |
| 1042 | |
| 1043 | /* The following routines are worker threads that process |
| 1044 | * events that may sleep waiting for completion. |
| 1045 | */ |
| 1046 | |
| 1047 | /* This thread gets the maximum TX and RX frame size values |
| 1048 | * from the firmware and, if necessary, changes them to match |
| 1049 | * the MTU setting. |
| 1050 | */ |
| 1051 | void ql_mpi_port_cfg_work(struct work_struct *work) |
| 1052 | { |
| 1053 | struct ql_adapter *qdev = |
| 1054 | container_of(work, struct ql_adapter, mpi_port_cfg_work.work); |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 1055 | int status; |
| 1056 | |
Ron Mercer | 86aaf9a | 2009-10-05 11:46:49 +0000 | [diff] [blame] | 1057 | rtnl_lock(); |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 1058 | status = ql_mb_get_port_cfg(qdev); |
Ron Mercer | 86aaf9a | 2009-10-05 11:46:49 +0000 | [diff] [blame] | 1059 | rtnl_unlock(); |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 1060 | if (status) { |
| 1061 | QPRINTK(qdev, DRV, ERR, |
| 1062 | "Bug: Failed to get port config data.\n"); |
| 1063 | goto err; |
| 1064 | } |
| 1065 | |
Ron Mercer | c8269b2 | 2009-06-07 13:58:27 +0000 | [diff] [blame] | 1066 | if (qdev->link_config & CFG_JUMBO_FRAME_SIZE && |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 1067 | qdev->max_frame_size == |
| 1068 | CFG_DEFAULT_MAX_FRAME_SIZE) |
| 1069 | goto end; |
| 1070 | |
| 1071 | qdev->link_config |= CFG_JUMBO_FRAME_SIZE; |
| 1072 | qdev->max_frame_size = CFG_DEFAULT_MAX_FRAME_SIZE; |
| 1073 | status = ql_set_port_cfg(qdev); |
| 1074 | if (status) { |
| 1075 | QPRINTK(qdev, DRV, ERR, |
| 1076 | "Bug: Failed to set port config data.\n"); |
| 1077 | goto err; |
| 1078 | } |
| 1079 | end: |
| 1080 | clear_bit(QL_PORT_CFG, &qdev->flags); |
| 1081 | return; |
| 1082 | err: |
| 1083 | ql_queue_fw_error(qdev); |
| 1084 | goto end; |
| 1085 | } |
| 1086 | |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 1087 | /* Process an inter-device request. This is issues by |
| 1088 | * the firmware in response to another function requesting |
| 1089 | * a change to the port. We set a flag to indicate a change |
| 1090 | * has been made and then send a mailbox command ACKing |
| 1091 | * the change request. |
| 1092 | */ |
| 1093 | void ql_mpi_idc_work(struct work_struct *work) |
| 1094 | { |
| 1095 | struct ql_adapter *qdev = |
| 1096 | container_of(work, struct ql_adapter, mpi_idc_work.work); |
| 1097 | int status; |
| 1098 | struct mbox_params *mbcp = &qdev->idc_mbc; |
| 1099 | u32 aen; |
Ron Mercer | 1e34e30 | 2009-11-03 13:49:30 +0000 | [diff] [blame] | 1100 | int timeout; |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 1101 | |
Ron Mercer | 1e34e30 | 2009-11-03 13:49:30 +0000 | [diff] [blame] | 1102 | rtnl_lock(); |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 1103 | aen = mbcp->mbox_out[1] >> 16; |
Ron Mercer | 1e34e30 | 2009-11-03 13:49:30 +0000 | [diff] [blame] | 1104 | timeout = (mbcp->mbox_out[1] >> 8) & 0xf; |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 1105 | |
| 1106 | switch (aen) { |
| 1107 | default: |
| 1108 | QPRINTK(qdev, DRV, ERR, |
| 1109 | "Bug: Unhandled IDC action.\n"); |
| 1110 | break; |
| 1111 | case MB_CMD_PORT_RESET: |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 1112 | case MB_CMD_STOP_FW: |
Ron Mercer | 6a47330 | 2009-07-02 06:06:12 +0000 | [diff] [blame] | 1113 | ql_link_off(qdev); |
Ron Mercer | 1e34e30 | 2009-11-03 13:49:30 +0000 | [diff] [blame] | 1114 | case MB_CMD_SET_PORT_CFG: |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 1115 | /* Signal the resulting link up AEN |
| 1116 | * that the frame routing and mac addr |
| 1117 | * needs to be set. |
| 1118 | * */ |
| 1119 | set_bit(QL_CAM_RT_SET, &qdev->flags); |
Ron Mercer | 1e34e30 | 2009-11-03 13:49:30 +0000 | [diff] [blame] | 1120 | /* Do ACK if required */ |
| 1121 | if (timeout) { |
| 1122 | status = ql_mb_idc_ack(qdev); |
| 1123 | if (status) |
| 1124 | QPRINTK(qdev, DRV, ERR, |
| 1125 | "Bug: No pending IDC!\n"); |
| 1126 | } else { |
| 1127 | QPRINTK(qdev, DRV, DEBUG, |
| 1128 | "IDC ACK not required\n"); |
| 1129 | status = 0; /* success */ |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 1130 | } |
Ron Mercer | 1e34e30 | 2009-11-03 13:49:30 +0000 | [diff] [blame] | 1131 | break; |
| 1132 | |
| 1133 | /* These sub-commands issued by another (FCoE) |
| 1134 | * function are requesting to do an operation |
| 1135 | * on the shared resource (MPI environment). |
| 1136 | * We currently don't issue these so we just |
| 1137 | * ACK the request. |
| 1138 | */ |
| 1139 | case MB_CMD_IOP_RESTART_MPI: |
| 1140 | case MB_CMD_IOP_PREP_LINK_DOWN: |
| 1141 | /* Drop the link, reload the routing |
| 1142 | * table when link comes up. |
| 1143 | */ |
| 1144 | ql_link_off(qdev); |
| 1145 | set_bit(QL_CAM_RT_SET, &qdev->flags); |
| 1146 | /* Fall through. */ |
| 1147 | case MB_CMD_IOP_DVR_START: |
| 1148 | case MB_CMD_IOP_FLASH_ACC: |
| 1149 | case MB_CMD_IOP_CORE_DUMP_MPI: |
| 1150 | case MB_CMD_IOP_PREP_UPDATE_MPI: |
| 1151 | case MB_CMD_IOP_COMP_UPDATE_MPI: |
| 1152 | case MB_CMD_IOP_NONE: /* an IDC without params */ |
| 1153 | /* Do ACK if required */ |
| 1154 | if (timeout) { |
| 1155 | status = ql_mb_idc_ack(qdev); |
| 1156 | if (status) |
| 1157 | QPRINTK(qdev, DRV, ERR, |
| 1158 | "Bug: No pending IDC!\n"); |
| 1159 | } else { |
| 1160 | QPRINTK(qdev, DRV, DEBUG, |
| 1161 | "IDC ACK not required\n"); |
| 1162 | status = 0; /* success */ |
| 1163 | } |
| 1164 | break; |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 1165 | } |
Ron Mercer | 1e34e30 | 2009-11-03 13:49:30 +0000 | [diff] [blame] | 1166 | rtnl_unlock(); |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 1167 | } |
| 1168 | |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 1169 | void ql_mpi_work(struct work_struct *work) |
| 1170 | { |
| 1171 | struct ql_adapter *qdev = |
| 1172 | container_of(work, struct ql_adapter, mpi_work.work); |
| 1173 | struct mbox_params mbc; |
| 1174 | struct mbox_params *mbcp = &mbc; |
Ron Mercer | d6f58c2 | 2009-06-07 13:58:25 +0000 | [diff] [blame] | 1175 | int err = 0; |
Ron Mercer | 125844e | 2009-02-26 10:08:34 +0000 | [diff] [blame] | 1176 | |
Ron Mercer | 86aaf9a | 2009-10-05 11:46:49 +0000 | [diff] [blame] | 1177 | rtnl_lock(); |
Ron Mercer | efd7d26 | 2009-10-08 09:54:43 +0000 | [diff] [blame] | 1178 | /* Begin polled mode for MPI */ |
| 1179 | ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16)); |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 1180 | |
| 1181 | while (ql_read32(qdev, STS) & STS_PI) { |
Ron Mercer | 125844e | 2009-02-26 10:08:34 +0000 | [diff] [blame] | 1182 | memset(mbcp, 0, sizeof(struct mbox_params)); |
| 1183 | mbcp->out_count = 1; |
Ron Mercer | d6f58c2 | 2009-06-07 13:58:25 +0000 | [diff] [blame] | 1184 | /* Don't continue if an async event |
| 1185 | * did not complete properly. |
| 1186 | */ |
| 1187 | err = ql_mpi_handler(qdev, mbcp); |
| 1188 | if (err) |
| 1189 | break; |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 1190 | } |
Ron Mercer | 125844e | 2009-02-26 10:08:34 +0000 | [diff] [blame] | 1191 | |
Ron Mercer | efd7d26 | 2009-10-08 09:54:43 +0000 | [diff] [blame] | 1192 | /* End polled mode for MPI */ |
| 1193 | ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16) | INTR_MASK_PI); |
Ron Mercer | 86aaf9a | 2009-10-05 11:46:49 +0000 | [diff] [blame] | 1194 | rtnl_unlock(); |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 1195 | ql_enable_completion_interrupt(qdev, 0); |
| 1196 | } |
| 1197 | |
| 1198 | void ql_mpi_reset_work(struct work_struct *work) |
| 1199 | { |
| 1200 | struct ql_adapter *qdev = |
| 1201 | container_of(work, struct ql_adapter, mpi_reset_work.work); |
Ron Mercer | bcc2cb3 | 2009-03-02 08:07:32 +0000 | [diff] [blame] | 1202 | cancel_delayed_work_sync(&qdev->mpi_work); |
| 1203 | cancel_delayed_work_sync(&qdev->mpi_port_cfg_work); |
Ron Mercer | 2ee1e27 | 2009-03-03 12:10:33 +0000 | [diff] [blame] | 1204 | cancel_delayed_work_sync(&qdev->mpi_idc_work); |
Ron Mercer | 8aae260 | 2010-01-15 13:31:28 +0000 | [diff] [blame^] | 1205 | /* If we're not the dominant NIC function, |
| 1206 | * then there is nothing to do. |
| 1207 | */ |
| 1208 | if (!ql_own_firmware(qdev)) { |
| 1209 | QPRINTK(qdev, DRV, ERR, "Don't own firmware!\n"); |
| 1210 | return; |
| 1211 | } |
| 1212 | |
| 1213 | if (!ql_core_dump(qdev, qdev->mpi_coredump)) { |
| 1214 | QPRINTK(qdev, DRV, ERR, "Core is dumped!\n"); |
| 1215 | qdev->core_is_dumped = 1; |
| 1216 | queue_delayed_work(qdev->workqueue, |
| 1217 | &qdev->mpi_core_to_log, 5 * HZ); |
| 1218 | } |
Ron Mercer | a2e809b | 2009-02-26 10:08:33 +0000 | [diff] [blame] | 1219 | ql_soft_reset_mpi_risc(qdev); |
Ron Mercer | c4e84bd | 2008-09-18 11:56:28 -0400 | [diff] [blame] | 1220 | } |