1 /* 2 * linux/drivers/message/fusion/mptbase.c 3 * This is the Fusion MPT base driver which supports multiple 4 * (SCSI + LAN) specialized protocol drivers. 5 * For use with LSI PCI chip/adapter(s) 6 * running LSI Fusion MPT (Message Passing Technology) firmware. 7 * 8 * Copyright (c) 1999-2008 LSI Corporation 9 * (mailto:DL-MPTFusionLinux@lsi.com) 10 * 11 */ 12 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 13 /* 14 This program is free software; you can redistribute it and/or modify 15 it under the terms of the GNU General Public License as published by 16 the Free Software Foundation; version 2 of the License. 17 18 This program is distributed in the hope that it will be useful, 19 but WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 GNU General Public License for more details. 22 23 NO WARRANTY 24 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR 25 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT 26 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, 27 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is 28 solely responsible for determining the appropriateness of using and 29 distributing the Program and assumes all risks associated with its 30 exercise of rights under this Agreement, including but not limited to 31 the risks and costs of program errors, damage to or loss of data, 32 programs or equipment, and unavailability or interruption of operations. 33 34 DISCLAIMER OF LIABILITY 35 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY 36 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND 38 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 39 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 40 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED 41 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES 42 43 You should have received a copy of the GNU General Public License 44 along with this program; if not, write to the Free Software 45 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 46 */ 47 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 48 49 #include <linux/kernel.h> 50 #include <linux/module.h> 51 #include <linux/errno.h> 52 #include <linux/init.h> 53 #include <linux/seq_file.h> 54 #include <linux/slab.h> 55 #include <linux/types.h> 56 #include <linux/pci.h> 57 #include <linux/kdev_t.h> 58 #include <linux/blkdev.h> 59 #include <linux/delay.h> 60 #include <linux/interrupt.h> 61 #include <linux/dma-mapping.h> 62 #include <linux/kthread.h> 63 #include <scsi/scsi_host.h> 64 65 #include "mptbase.h" 66 #include "lsi/mpi_log_fc.h" 67 68 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 69 #define my_NAME "Fusion MPT base driver" 70 #define my_VERSION MPT_LINUX_VERSION_COMMON 71 #define MYNAM "mptbase" 72 73 MODULE_AUTHOR(MODULEAUTHOR); 74 MODULE_DESCRIPTION(my_NAME); 75 MODULE_LICENSE("GPL"); 76 MODULE_VERSION(my_VERSION); 77 78 /* 79 * cmd line parameters 80 */ 81 82 static int mpt_msi_enable_spi; 83 module_param(mpt_msi_enable_spi, int, 0); 84 MODULE_PARM_DESC(mpt_msi_enable_spi, 85 " Enable MSI Support for SPI controllers (default=0)"); 86 87 static int mpt_msi_enable_fc; 88 module_param(mpt_msi_enable_fc, int, 0); 89 MODULE_PARM_DESC(mpt_msi_enable_fc, 90 " Enable MSI Support for FC controllers (default=0)"); 91 92 static int mpt_msi_enable_sas; 93 module_param(mpt_msi_enable_sas, int, 0); 94 MODULE_PARM_DESC(mpt_msi_enable_sas, 95 " Enable MSI Support for SAS controllers (default=0)"); 96 97 static int mpt_channel_mapping; 98 module_param(mpt_channel_mapping, int, 0); 99 MODULE_PARM_DESC(mpt_channel_mapping, " Mapping id's to channels (default=0)"); 100 101 static int mpt_debug_level; 102 static int mpt_set_debug_level(const char *val, const struct kernel_param *kp); 103 module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int, 104 &mpt_debug_level, 0600); 105 MODULE_PARM_DESC(mpt_debug_level, 106 " debug level - refer to mptdebug.h - (default=0)"); 107 108 int mpt_fwfault_debug; 109 EXPORT_SYMBOL(mpt_fwfault_debug); 110 module_param(mpt_fwfault_debug, int, 0600); 111 MODULE_PARM_DESC(mpt_fwfault_debug, 112 "Enable detection of Firmware fault and halt Firmware on fault - (default=0)"); 113 114 static char MptCallbacksName[MPT_MAX_PROTOCOL_DRIVERS] 115 [MPT_MAX_CALLBACKNAME_LEN+1]; 116 117 #ifdef MFCNT 118 static int mfcounter = 0; 119 #define PRINT_MF_COUNT 20000 120 #endif 121 122 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 123 /* 124 * Public data... 125 */ 126 127 #define WHOINIT_UNKNOWN 0xAA 128 129 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 130 /* 131 * Private data... 132 */ 133 /* Adapter link list */ 134 LIST_HEAD(ioc_list); 135 /* Callback lookup table */ 136 static MPT_CALLBACK MptCallbacks[MPT_MAX_PROTOCOL_DRIVERS]; 137 /* Protocol driver class lookup table */ 138 static int MptDriverClass[MPT_MAX_PROTOCOL_DRIVERS]; 139 /* Event handler lookup table */ 140 static MPT_EVHANDLER MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS]; 141 /* Reset handler lookup table */ 142 static MPT_RESETHANDLER MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS]; 143 static struct mpt_pci_driver *MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS]; 144 145 #ifdef CONFIG_PROC_FS 146 static struct proc_dir_entry *mpt_proc_root_dir; 147 #endif 148 149 /* 150 * Driver Callback Index's 151 */ 152 static u8 mpt_base_index = MPT_MAX_PROTOCOL_DRIVERS; 153 static u8 last_drv_idx; 154 155 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 156 /* 157 * Forward protos... 158 */ 159 static irqreturn_t mpt_interrupt(int irq, void *bus_id); 160 static int mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 161 MPT_FRAME_HDR *reply); 162 static int mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, 163 u32 *req, int replyBytes, u16 *u16reply, int maxwait, 164 int sleepFlag); 165 static int mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag); 166 static void mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev); 167 static void mpt_adapter_disable(MPT_ADAPTER *ioc); 168 static void mpt_adapter_dispose(MPT_ADAPTER *ioc); 169 170 static void MptDisplayIocCapabilities(MPT_ADAPTER *ioc); 171 static int MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag); 172 static int GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason); 173 static int GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag); 174 static int SendIocInit(MPT_ADAPTER *ioc, int sleepFlag); 175 static int SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag); 176 static int mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag); 177 static int mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag); 178 static int mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag); 179 static int KickStart(MPT_ADAPTER *ioc, int ignore, int sleepFlag); 180 static int SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag); 181 static int PrimeIocFifos(MPT_ADAPTER *ioc); 182 static int WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag); 183 static int WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag); 184 static int WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag); 185 static int GetLanConfigPages(MPT_ADAPTER *ioc); 186 static int GetIoUnitPage2(MPT_ADAPTER *ioc); 187 int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode); 188 static int mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum); 189 static int mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum); 190 static void mpt_read_ioc_pg_1(MPT_ADAPTER *ioc); 191 static void mpt_read_ioc_pg_4(MPT_ADAPTER *ioc); 192 static void mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc); 193 static int SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch, 194 int sleepFlag); 195 static int SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp); 196 static int mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag); 197 static int mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init); 198 199 #ifdef CONFIG_PROC_FS 200 static int mpt_summary_proc_show(struct seq_file *m, void *v); 201 static int mpt_version_proc_show(struct seq_file *m, void *v); 202 static int mpt_iocinfo_proc_show(struct seq_file *m, void *v); 203 #endif 204 static void mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc); 205 206 static int ProcessEventNotification(MPT_ADAPTER *ioc, 207 EventNotificationReply_t *evReply, int *evHandlers); 208 static void mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf); 209 static void mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info); 210 static void mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info); 211 static void mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info , u8 cb_idx); 212 static int mpt_read_ioc_pg_3(MPT_ADAPTER *ioc); 213 static void mpt_inactive_raid_list_free(MPT_ADAPTER *ioc); 214 215 /* module entry point */ 216 static int __init fusion_init (void); 217 static void __exit fusion_exit (void); 218 219 #define CHIPREG_READ32(addr) readl_relaxed(addr) 220 #define CHIPREG_READ32_dmasync(addr) readl(addr) 221 #define CHIPREG_WRITE32(addr,val) writel(val, addr) 222 #define CHIPREG_PIO_WRITE32(addr,val) outl(val, (unsigned long)addr) 223 #define CHIPREG_PIO_READ32(addr) inl((unsigned long)addr) 224 225 static void 226 pci_disable_io_access(struct pci_dev *pdev) 227 { 228 u16 command_reg; 229 230 pci_read_config_word(pdev, PCI_COMMAND, &command_reg); 231 command_reg &= ~1; 232 pci_write_config_word(pdev, PCI_COMMAND, command_reg); 233 } 234 235 static void 236 pci_enable_io_access(struct pci_dev *pdev) 237 { 238 u16 command_reg; 239 240 pci_read_config_word(pdev, PCI_COMMAND, &command_reg); 241 command_reg |= 1; 242 pci_write_config_word(pdev, PCI_COMMAND, command_reg); 243 } 244 245 static int mpt_set_debug_level(const char *val, const struct kernel_param *kp) 246 { 247 int ret = param_set_int(val, kp); 248 MPT_ADAPTER *ioc; 249 250 if (ret) 251 return ret; 252 253 list_for_each_entry(ioc, &ioc_list, list) 254 ioc->debug_level = mpt_debug_level; 255 return 0; 256 } 257 258 /** 259 * mpt_get_cb_idx - obtain cb_idx for registered driver 260 * @dclass: class driver enum 261 * 262 * Returns cb_idx, or zero means it wasn't found 263 **/ 264 static u8 265 mpt_get_cb_idx(MPT_DRIVER_CLASS dclass) 266 { 267 u8 cb_idx; 268 269 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) 270 if (MptDriverClass[cb_idx] == dclass) 271 return cb_idx; 272 return 0; 273 } 274 275 /** 276 * mpt_is_discovery_complete - determine if discovery has completed 277 * @ioc: per adatper instance 278 * 279 * Returns 1 when discovery completed, else zero. 280 */ 281 static int 282 mpt_is_discovery_complete(MPT_ADAPTER *ioc) 283 { 284 ConfigExtendedPageHeader_t hdr; 285 CONFIGPARMS cfg; 286 SasIOUnitPage0_t *buffer; 287 dma_addr_t dma_handle; 288 int rc = 0; 289 290 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t)); 291 memset(&cfg, 0, sizeof(CONFIGPARMS)); 292 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION; 293 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 294 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; 295 cfg.cfghdr.ehdr = &hdr; 296 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 297 298 if ((mpt_config(ioc, &cfg))) 299 goto out; 300 if (!hdr.ExtPageLength) 301 goto out; 302 303 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, 304 &dma_handle); 305 if (!buffer) 306 goto out; 307 308 cfg.physAddr = dma_handle; 309 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 310 311 if ((mpt_config(ioc, &cfg))) 312 goto out_free_consistent; 313 314 if (!(buffer->PhyData[0].PortFlags & 315 MPI_SAS_IOUNIT0_PORT_FLAGS_DISCOVERY_IN_PROGRESS)) 316 rc = 1; 317 318 out_free_consistent: 319 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, 320 buffer, dma_handle); 321 out: 322 return rc; 323 } 324 325 326 /** 327 * mpt_remove_dead_ioc_func - kthread context to remove dead ioc 328 * @arg: input argument, used to derive ioc 329 * 330 * Return 0 if controller is removed from pci subsystem. 331 * Return -1 for other case. 332 */ 333 static int mpt_remove_dead_ioc_func(void *arg) 334 { 335 MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; 336 struct pci_dev *pdev; 337 338 if (!ioc) 339 return -1; 340 341 pdev = ioc->pcidev; 342 if (!pdev) 343 return -1; 344 345 pci_stop_and_remove_bus_device_locked(pdev); 346 return 0; 347 } 348 349 350 351 /** 352 * mpt_fault_reset_work - work performed on workq after ioc fault 353 * @work: input argument, used to derive ioc 354 * 355 **/ 356 static void 357 mpt_fault_reset_work(struct work_struct *work) 358 { 359 MPT_ADAPTER *ioc = 360 container_of(work, MPT_ADAPTER, fault_reset_work.work); 361 u32 ioc_raw_state; 362 int rc; 363 unsigned long flags; 364 MPT_SCSI_HOST *hd; 365 struct task_struct *p; 366 367 if (ioc->ioc_reset_in_progress || !ioc->active) 368 goto out; 369 370 371 ioc_raw_state = mpt_GetIocState(ioc, 0); 372 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_MASK) { 373 printk(MYIOC_s_INFO_FMT "%s: IOC is non-operational !!!!\n", 374 ioc->name, __func__); 375 376 /* 377 * Call mptscsih_flush_pending_cmds callback so that we 378 * flush all pending commands back to OS. 379 * This call is required to aovid deadlock at block layer. 380 * Dead IOC will fail to do diag reset,and this call is safe 381 * since dead ioc will never return any command back from HW. 382 */ 383 hd = shost_priv(ioc->sh); 384 ioc->schedule_dead_ioc_flush_running_cmds(hd); 385 386 /*Remove the Dead Host */ 387 p = kthread_run(mpt_remove_dead_ioc_func, ioc, 388 "mpt_dead_ioc_%d", ioc->id); 389 if (IS_ERR(p)) { 390 printk(MYIOC_s_ERR_FMT 391 "%s: Running mpt_dead_ioc thread failed !\n", 392 ioc->name, __func__); 393 } else { 394 printk(MYIOC_s_WARN_FMT 395 "%s: Running mpt_dead_ioc thread success !\n", 396 ioc->name, __func__); 397 } 398 return; /* don't rearm timer */ 399 } 400 401 if ((ioc_raw_state & MPI_IOC_STATE_MASK) 402 == MPI_IOC_STATE_FAULT) { 403 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state (%04xh)!!!\n", 404 ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK); 405 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n", 406 ioc->name, __func__); 407 rc = mpt_HardResetHandler(ioc, CAN_SLEEP); 408 printk(MYIOC_s_WARN_FMT "%s: HardReset: %s\n", ioc->name, 409 __func__, (rc == 0) ? "success" : "failed"); 410 ioc_raw_state = mpt_GetIocState(ioc, 0); 411 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) 412 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state after " 413 "reset (%04xh)\n", ioc->name, ioc_raw_state & 414 MPI_DOORBELL_DATA_MASK); 415 } else if (ioc->bus_type == SAS && ioc->sas_discovery_quiesce_io) { 416 if ((mpt_is_discovery_complete(ioc))) { 417 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "clearing " 418 "discovery_quiesce_io flag\n", ioc->name)); 419 ioc->sas_discovery_quiesce_io = 0; 420 } 421 } 422 423 out: 424 /* 425 * Take turns polling alternate controller 426 */ 427 if (ioc->alt_ioc) 428 ioc = ioc->alt_ioc; 429 430 /* rearm the timer */ 431 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 432 if (ioc->reset_work_q) 433 queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work, 434 msecs_to_jiffies(MPT_POLLING_INTERVAL)); 435 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 436 } 437 438 439 /* 440 * Process turbo (context) reply... 441 */ 442 static void 443 mpt_turbo_reply(MPT_ADAPTER *ioc, u32 pa) 444 { 445 MPT_FRAME_HDR *mf = NULL; 446 MPT_FRAME_HDR *mr = NULL; 447 u16 req_idx = 0; 448 u8 cb_idx; 449 450 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got TURBO reply req_idx=%08x\n", 451 ioc->name, pa)); 452 453 switch (pa >> MPI_CONTEXT_REPLY_TYPE_SHIFT) { 454 case MPI_CONTEXT_REPLY_TYPE_SCSI_INIT: 455 req_idx = pa & 0x0000FFFF; 456 cb_idx = (pa & 0x00FF0000) >> 16; 457 mf = MPT_INDEX_2_MFPTR(ioc, req_idx); 458 break; 459 case MPI_CONTEXT_REPLY_TYPE_LAN: 460 cb_idx = mpt_get_cb_idx(MPTLAN_DRIVER); 461 /* 462 * Blind set of mf to NULL here was fatal 463 * after lan_reply says "freeme" 464 * Fix sort of combined with an optimization here; 465 * added explicit check for case where lan_reply 466 * was just returning 1 and doing nothing else. 467 * For this case skip the callback, but set up 468 * proper mf value first here:-) 469 */ 470 if ((pa & 0x58000000) == 0x58000000) { 471 req_idx = pa & 0x0000FFFF; 472 mf = MPT_INDEX_2_MFPTR(ioc, req_idx); 473 mpt_free_msg_frame(ioc, mf); 474 mb(); 475 return; 476 } 477 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa); 478 break; 479 case MPI_CONTEXT_REPLY_TYPE_SCSI_TARGET: 480 cb_idx = mpt_get_cb_idx(MPTSTM_DRIVER); 481 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa); 482 break; 483 default: 484 cb_idx = 0; 485 BUG(); 486 } 487 488 /* Check for (valid) IO callback! */ 489 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS || 490 MptCallbacks[cb_idx] == NULL) { 491 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n", 492 __func__, ioc->name, cb_idx); 493 goto out; 494 } 495 496 if (MptCallbacks[cb_idx](ioc, mf, mr)) 497 mpt_free_msg_frame(ioc, mf); 498 out: 499 mb(); 500 } 501 502 static void 503 mpt_reply(MPT_ADAPTER *ioc, u32 pa) 504 { 505 MPT_FRAME_HDR *mf; 506 MPT_FRAME_HDR *mr; 507 u16 req_idx; 508 u8 cb_idx; 509 int freeme; 510 511 u32 reply_dma_low; 512 u16 ioc_stat; 513 514 /* non-TURBO reply! Hmmm, something may be up... 515 * Newest turbo reply mechanism; get address 516 * via left shift 1 (get rid of MPI_ADDRESS_REPLY_A_BIT)! 517 */ 518 519 /* Map DMA address of reply header to cpu address. 520 * pa is 32 bits - but the dma address may be 32 or 64 bits 521 * get offset based only only the low addresses 522 */ 523 524 reply_dma_low = (pa <<= 1); 525 mr = (MPT_FRAME_HDR *)((u8 *)ioc->reply_frames + 526 (reply_dma_low - ioc->reply_frames_low_dma)); 527 528 req_idx = le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx); 529 cb_idx = mr->u.frame.hwhdr.msgctxu.fld.cb_idx; 530 mf = MPT_INDEX_2_MFPTR(ioc, req_idx); 531 532 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got non-TURBO reply=%p req_idx=%x cb_idx=%x Function=%x\n", 533 ioc->name, mr, req_idx, cb_idx, mr->u.hdr.Function)); 534 DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mr); 535 536 /* Check/log IOC log info 537 */ 538 ioc_stat = le16_to_cpu(mr->u.reply.IOCStatus); 539 if (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) { 540 u32 log_info = le32_to_cpu(mr->u.reply.IOCLogInfo); 541 if (ioc->bus_type == FC) 542 mpt_fc_log_info(ioc, log_info); 543 else if (ioc->bus_type == SPI) 544 mpt_spi_log_info(ioc, log_info); 545 else if (ioc->bus_type == SAS) 546 mpt_sas_log_info(ioc, log_info, cb_idx); 547 } 548 549 if (ioc_stat & MPI_IOCSTATUS_MASK) 550 mpt_iocstatus_info(ioc, (u32)ioc_stat, mf); 551 552 /* Check for (valid) IO callback! */ 553 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS || 554 MptCallbacks[cb_idx] == NULL) { 555 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n", 556 __func__, ioc->name, cb_idx); 557 freeme = 0; 558 goto out; 559 } 560 561 freeme = MptCallbacks[cb_idx](ioc, mf, mr); 562 563 out: 564 /* Flush (non-TURBO) reply with a WRITE! */ 565 CHIPREG_WRITE32(&ioc->chip->ReplyFifo, pa); 566 567 if (freeme) 568 mpt_free_msg_frame(ioc, mf); 569 mb(); 570 } 571 572 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 573 /** 574 * mpt_interrupt - MPT adapter (IOC) specific interrupt handler. 575 * @irq: irq number (not used) 576 * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure 577 * 578 * This routine is registered via the request_irq() kernel API call, 579 * and handles all interrupts generated from a specific MPT adapter 580 * (also referred to as a IO Controller or IOC). 581 * This routine must clear the interrupt from the adapter and does 582 * so by reading the reply FIFO. Multiple replies may be processed 583 * per single call to this routine. 584 * 585 * This routine handles register-level access of the adapter but 586 * dispatches (calls) a protocol-specific callback routine to handle 587 * the protocol-specific details of the MPT request completion. 588 */ 589 static irqreturn_t 590 mpt_interrupt(int irq, void *bus_id) 591 { 592 MPT_ADAPTER *ioc = bus_id; 593 u32 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo); 594 595 if (pa == 0xFFFFFFFF) 596 return IRQ_NONE; 597 598 /* 599 * Drain the reply FIFO! 600 */ 601 do { 602 if (pa & MPI_ADDRESS_REPLY_A_BIT) 603 mpt_reply(ioc, pa); 604 else 605 mpt_turbo_reply(ioc, pa); 606 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo); 607 } while (pa != 0xFFFFFFFF); 608 609 return IRQ_HANDLED; 610 } 611 612 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 613 /** 614 * mptbase_reply - MPT base driver's callback routine 615 * @ioc: Pointer to MPT_ADAPTER structure 616 * @req: Pointer to original MPT request frame 617 * @reply: Pointer to MPT reply frame (NULL if TurboReply) 618 * 619 * MPT base driver's callback routine; all base driver 620 * "internal" request/reply processing is routed here. 621 * Currently used for EventNotification and EventAck handling. 622 * 623 * Returns 1 indicating original alloc'd request frame ptr 624 * should be freed, or 0 if it shouldn't. 625 */ 626 static int 627 mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply) 628 { 629 EventNotificationReply_t *pEventReply; 630 u8 event; 631 int evHandlers; 632 int freereq = 1; 633 634 switch (reply->u.hdr.Function) { 635 case MPI_FUNCTION_EVENT_NOTIFICATION: 636 pEventReply = (EventNotificationReply_t *)reply; 637 evHandlers = 0; 638 ProcessEventNotification(ioc, pEventReply, &evHandlers); 639 event = le32_to_cpu(pEventReply->Event) & 0xFF; 640 if (pEventReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) 641 freereq = 0; 642 if (event != MPI_EVENT_EVENT_CHANGE) 643 break; 644 fallthrough; 645 case MPI_FUNCTION_CONFIG: 646 case MPI_FUNCTION_SAS_IO_UNIT_CONTROL: 647 ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 648 ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 649 memcpy(ioc->mptbase_cmds.reply, reply, 650 min(MPT_DEFAULT_FRAME_SIZE, 651 4 * reply->u.reply.MsgLength)); 652 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) { 653 ioc->mptbase_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 654 complete(&ioc->mptbase_cmds.done); 655 } else 656 freereq = 0; 657 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_FREE_MF) 658 freereq = 1; 659 break; 660 case MPI_FUNCTION_EVENT_ACK: 661 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 662 "EventAck reply received\n", ioc->name)); 663 break; 664 default: 665 printk(MYIOC_s_ERR_FMT 666 "Unexpected msg function (=%02Xh) reply received!\n", 667 ioc->name, reply->u.hdr.Function); 668 break; 669 } 670 671 /* 672 * Conditionally tell caller to free the original 673 * EventNotification/EventAck/unexpected request frame! 674 */ 675 return freereq; 676 } 677 678 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 679 /** 680 * mpt_register - Register protocol-specific main callback handler. 681 * @cbfunc: callback function pointer 682 * @dclass: Protocol driver's class (%MPT_DRIVER_CLASS enum value) 683 * @func_name: call function's name 684 * 685 * This routine is called by a protocol-specific driver (SCSI host, 686 * LAN, SCSI target) to register its reply callback routine. Each 687 * protocol-specific driver must do this before it will be able to 688 * use any IOC resources, such as obtaining request frames. 689 * 690 * NOTES: The SCSI protocol driver currently calls this routine thrice 691 * in order to register separate callbacks; one for "normal" SCSI IO; 692 * one for MptScsiTaskMgmt requests; one for Scan/DV requests. 693 * 694 * Returns u8 valued "handle" in the range (and S.O.D. order) 695 * {N,...,7,6,5,...,1} if successful. 696 * A return value of MPT_MAX_PROTOCOL_DRIVERS (including zero!) should be 697 * considered an error by the caller. 698 */ 699 u8 700 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass, char *func_name) 701 { 702 u8 cb_idx; 703 last_drv_idx = MPT_MAX_PROTOCOL_DRIVERS; 704 705 /* 706 * Search for empty callback slot in this order: {N,...,7,6,5,...,1} 707 * (slot/handle 0 is reserved!) 708 */ 709 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 710 if (MptCallbacks[cb_idx] == NULL) { 711 MptCallbacks[cb_idx] = cbfunc; 712 MptDriverClass[cb_idx] = dclass; 713 MptEvHandlers[cb_idx] = NULL; 714 last_drv_idx = cb_idx; 715 strlcpy(MptCallbacksName[cb_idx], func_name, 716 MPT_MAX_CALLBACKNAME_LEN+1); 717 break; 718 } 719 } 720 721 return last_drv_idx; 722 } 723 724 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 725 /** 726 * mpt_deregister - Deregister a protocol drivers resources. 727 * @cb_idx: previously registered callback handle 728 * 729 * Each protocol-specific driver should call this routine when its 730 * module is unloaded. 731 */ 732 void 733 mpt_deregister(u8 cb_idx) 734 { 735 if (cb_idx && (cb_idx < MPT_MAX_PROTOCOL_DRIVERS)) { 736 MptCallbacks[cb_idx] = NULL; 737 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER; 738 MptEvHandlers[cb_idx] = NULL; 739 740 last_drv_idx++; 741 } 742 } 743 744 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 745 /** 746 * mpt_event_register - Register protocol-specific event callback handler. 747 * @cb_idx: previously registered (via mpt_register) callback handle 748 * @ev_cbfunc: callback function 749 * 750 * This routine can be called by one or more protocol-specific drivers 751 * if/when they choose to be notified of MPT events. 752 * 753 * Returns 0 for success. 754 */ 755 int 756 mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc) 757 { 758 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) 759 return -1; 760 761 MptEvHandlers[cb_idx] = ev_cbfunc; 762 return 0; 763 } 764 765 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 766 /** 767 * mpt_event_deregister - Deregister protocol-specific event callback handler 768 * @cb_idx: previously registered callback handle 769 * 770 * Each protocol-specific driver should call this routine 771 * when it does not (or can no longer) handle events, 772 * or when its module is unloaded. 773 */ 774 void 775 mpt_event_deregister(u8 cb_idx) 776 { 777 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) 778 return; 779 780 MptEvHandlers[cb_idx] = NULL; 781 } 782 783 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 784 /** 785 * mpt_reset_register - Register protocol-specific IOC reset handler. 786 * @cb_idx: previously registered (via mpt_register) callback handle 787 * @reset_func: reset function 788 * 789 * This routine can be called by one or more protocol-specific drivers 790 * if/when they choose to be notified of IOC resets. 791 * 792 * Returns 0 for success. 793 */ 794 int 795 mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func) 796 { 797 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) 798 return -1; 799 800 MptResetHandlers[cb_idx] = reset_func; 801 return 0; 802 } 803 804 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 805 /** 806 * mpt_reset_deregister - Deregister protocol-specific IOC reset handler. 807 * @cb_idx: previously registered callback handle 808 * 809 * Each protocol-specific driver should call this routine 810 * when it does not (or can no longer) handle IOC reset handling, 811 * or when its module is unloaded. 812 */ 813 void 814 mpt_reset_deregister(u8 cb_idx) 815 { 816 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) 817 return; 818 819 MptResetHandlers[cb_idx] = NULL; 820 } 821 822 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 823 /** 824 * mpt_device_driver_register - Register device driver hooks 825 * @dd_cbfunc: driver callbacks struct 826 * @cb_idx: MPT protocol driver index 827 */ 828 int 829 mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx) 830 { 831 MPT_ADAPTER *ioc; 832 const struct pci_device_id *id; 833 834 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) 835 return -EINVAL; 836 837 MptDeviceDriverHandlers[cb_idx] = dd_cbfunc; 838 839 /* call per pci device probe entry point */ 840 list_for_each_entry(ioc, &ioc_list, list) { 841 id = ioc->pcidev->driver ? 842 ioc->pcidev->driver->id_table : NULL; 843 if (dd_cbfunc->probe) 844 dd_cbfunc->probe(ioc->pcidev, id); 845 } 846 847 return 0; 848 } 849 850 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 851 /** 852 * mpt_device_driver_deregister - DeRegister device driver hooks 853 * @cb_idx: MPT protocol driver index 854 */ 855 void 856 mpt_device_driver_deregister(u8 cb_idx) 857 { 858 struct mpt_pci_driver *dd_cbfunc; 859 MPT_ADAPTER *ioc; 860 861 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) 862 return; 863 864 dd_cbfunc = MptDeviceDriverHandlers[cb_idx]; 865 866 list_for_each_entry(ioc, &ioc_list, list) { 867 if (dd_cbfunc->remove) 868 dd_cbfunc->remove(ioc->pcidev); 869 } 870 871 MptDeviceDriverHandlers[cb_idx] = NULL; 872 } 873 874 875 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 876 /** 877 * mpt_get_msg_frame - Obtain an MPT request frame from the pool 878 * @cb_idx: Handle of registered MPT protocol driver 879 * @ioc: Pointer to MPT adapter structure 880 * 881 * Obtain an MPT request frame from the pool (of 1024) that are 882 * allocated per MPT adapter. 883 * 884 * Returns pointer to a MPT request frame or %NULL if none are available 885 * or IOC is not active. 886 */ 887 MPT_FRAME_HDR* 888 mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc) 889 { 890 MPT_FRAME_HDR *mf; 891 unsigned long flags; 892 u16 req_idx; /* Request index */ 893 894 /* validate handle and ioc identifier */ 895 896 #ifdef MFCNT 897 if (!ioc->active) 898 printk(MYIOC_s_WARN_FMT "IOC Not Active! mpt_get_msg_frame " 899 "returning NULL!\n", ioc->name); 900 #endif 901 902 /* If interrupts are not attached, do not return a request frame */ 903 if (!ioc->active) 904 return NULL; 905 906 spin_lock_irqsave(&ioc->FreeQlock, flags); 907 if (!list_empty(&ioc->FreeQ)) { 908 int req_offset; 909 910 mf = list_entry(ioc->FreeQ.next, MPT_FRAME_HDR, 911 u.frame.linkage.list); 912 list_del(&mf->u.frame.linkage.list); 913 mf->u.frame.linkage.arg1 = 0; 914 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */ 915 req_offset = (u8 *)mf - (u8 *)ioc->req_frames; 916 /* u16! */ 917 req_idx = req_offset / ioc->req_sz; 918 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx); 919 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0; 920 /* Default, will be changed if necessary in SG generation */ 921 ioc->RequestNB[req_idx] = ioc->NB_for_64_byte_frame; 922 #ifdef MFCNT 923 ioc->mfcnt++; 924 #endif 925 } 926 else 927 mf = NULL; 928 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 929 930 #ifdef MFCNT 931 if (mf == NULL) 932 printk(MYIOC_s_WARN_FMT "IOC Active. No free Msg Frames! " 933 "Count 0x%x Max 0x%x\n", ioc->name, ioc->mfcnt, 934 ioc->req_depth); 935 mfcounter++; 936 if (mfcounter == PRINT_MF_COUNT) 937 printk(MYIOC_s_INFO_FMT "MF Count 0x%x Max 0x%x \n", ioc->name, 938 ioc->mfcnt, ioc->req_depth); 939 #endif 940 941 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_get_msg_frame(%d,%d), got mf=%p\n", 942 ioc->name, cb_idx, ioc->id, mf)); 943 return mf; 944 } 945 946 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 947 /** 948 * mpt_put_msg_frame - Send a protocol-specific MPT request frame to an IOC 949 * @cb_idx: Handle of registered MPT protocol driver 950 * @ioc: Pointer to MPT adapter structure 951 * @mf: Pointer to MPT request frame 952 * 953 * This routine posts an MPT request frame to the request post FIFO of a 954 * specific MPT adapter. 955 */ 956 void 957 mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf) 958 { 959 u32 mf_dma_addr; 960 int req_offset; 961 u16 req_idx; /* Request index */ 962 963 /* ensure values are reset properly! */ 964 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */ 965 req_offset = (u8 *)mf - (u8 *)ioc->req_frames; 966 /* u16! */ 967 req_idx = req_offset / ioc->req_sz; 968 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx); 969 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0; 970 971 DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf); 972 973 mf_dma_addr = (ioc->req_frames_low_dma + req_offset) | ioc->RequestNB[req_idx]; 974 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d " 975 "RequestNB=%x\n", ioc->name, mf_dma_addr, req_idx, 976 ioc->RequestNB[req_idx])); 977 CHIPREG_WRITE32(&ioc->chip->RequestFifo, mf_dma_addr); 978 } 979 980 /** 981 * mpt_put_msg_frame_hi_pri - Send a hi-pri protocol-specific MPT request frame 982 * @cb_idx: Handle of registered MPT protocol driver 983 * @ioc: Pointer to MPT adapter structure 984 * @mf: Pointer to MPT request frame 985 * 986 * Send a protocol-specific MPT request frame to an IOC using 987 * hi-priority request queue. 988 * 989 * This routine posts an MPT request frame to the request post FIFO of a 990 * specific MPT adapter. 991 **/ 992 void 993 mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf) 994 { 995 u32 mf_dma_addr; 996 int req_offset; 997 u16 req_idx; /* Request index */ 998 999 /* ensure values are reset properly! */ 1000 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; 1001 req_offset = (u8 *)mf - (u8 *)ioc->req_frames; 1002 req_idx = req_offset / ioc->req_sz; 1003 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx); 1004 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0; 1005 1006 DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf); 1007 1008 mf_dma_addr = (ioc->req_frames_low_dma + req_offset); 1009 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d\n", 1010 ioc->name, mf_dma_addr, req_idx)); 1011 CHIPREG_WRITE32(&ioc->chip->RequestHiPriFifo, mf_dma_addr); 1012 } 1013 1014 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1015 /** 1016 * mpt_free_msg_frame - Place MPT request frame back on FreeQ. 1017 * @ioc: Pointer to MPT adapter structure 1018 * @mf: Pointer to MPT request frame 1019 * 1020 * This routine places a MPT request frame back on the MPT adapter's 1021 * FreeQ. 1022 */ 1023 void 1024 mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf) 1025 { 1026 unsigned long flags; 1027 1028 /* Put Request back on FreeQ! */ 1029 spin_lock_irqsave(&ioc->FreeQlock, flags); 1030 if (cpu_to_le32(mf->u.frame.linkage.arg1) == 0xdeadbeaf) 1031 goto out; 1032 /* signature to know if this mf is freed */ 1033 mf->u.frame.linkage.arg1 = cpu_to_le32(0xdeadbeaf); 1034 list_add(&mf->u.frame.linkage.list, &ioc->FreeQ); 1035 #ifdef MFCNT 1036 ioc->mfcnt--; 1037 #endif 1038 out: 1039 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 1040 } 1041 1042 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1043 /** 1044 * mpt_add_sge - Place a simple 32 bit SGE at address pAddr. 1045 * @pAddr: virtual address for SGE 1046 * @flagslength: SGE flags and data transfer length 1047 * @dma_addr: Physical address 1048 * 1049 * This routine places a MPT request frame back on the MPT adapter's 1050 * FreeQ. 1051 */ 1052 static void 1053 mpt_add_sge(void *pAddr, u32 flagslength, dma_addr_t dma_addr) 1054 { 1055 SGESimple32_t *pSge = (SGESimple32_t *) pAddr; 1056 pSge->FlagsLength = cpu_to_le32(flagslength); 1057 pSge->Address = cpu_to_le32(dma_addr); 1058 } 1059 1060 /** 1061 * mpt_add_sge_64bit - Place a simple 64 bit SGE at address pAddr. 1062 * @pAddr: virtual address for SGE 1063 * @flagslength: SGE flags and data transfer length 1064 * @dma_addr: Physical address 1065 * 1066 * This routine places a MPT request frame back on the MPT adapter's 1067 * FreeQ. 1068 **/ 1069 static void 1070 mpt_add_sge_64bit(void *pAddr, u32 flagslength, dma_addr_t dma_addr) 1071 { 1072 SGESimple64_t *pSge = (SGESimple64_t *) pAddr; 1073 pSge->Address.Low = cpu_to_le32 1074 (lower_32_bits(dma_addr)); 1075 pSge->Address.High = cpu_to_le32 1076 (upper_32_bits(dma_addr)); 1077 pSge->FlagsLength = cpu_to_le32 1078 ((flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING)); 1079 } 1080 1081 /** 1082 * mpt_add_sge_64bit_1078 - Place a simple 64 bit SGE at address pAddr (1078 workaround). 1083 * @pAddr: virtual address for SGE 1084 * @flagslength: SGE flags and data transfer length 1085 * @dma_addr: Physical address 1086 * 1087 * This routine places a MPT request frame back on the MPT adapter's 1088 * FreeQ. 1089 **/ 1090 static void 1091 mpt_add_sge_64bit_1078(void *pAddr, u32 flagslength, dma_addr_t dma_addr) 1092 { 1093 SGESimple64_t *pSge = (SGESimple64_t *) pAddr; 1094 u32 tmp; 1095 1096 pSge->Address.Low = cpu_to_le32 1097 (lower_32_bits(dma_addr)); 1098 tmp = (u32)(upper_32_bits(dma_addr)); 1099 1100 /* 1101 * 1078 errata workaround for the 36GB limitation 1102 */ 1103 if ((((u64)dma_addr + MPI_SGE_LENGTH(flagslength)) >> 32) == 9) { 1104 flagslength |= 1105 MPI_SGE_SET_FLAGS(MPI_SGE_FLAGS_LOCAL_ADDRESS); 1106 tmp |= (1<<31); 1107 if (mpt_debug_level & MPT_DEBUG_36GB_MEM) 1108 printk(KERN_DEBUG "1078 P0M2 addressing for " 1109 "addr = 0x%llx len = %d\n", 1110 (unsigned long long)dma_addr, 1111 MPI_SGE_LENGTH(flagslength)); 1112 } 1113 1114 pSge->Address.High = cpu_to_le32(tmp); 1115 pSge->FlagsLength = cpu_to_le32( 1116 (flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING)); 1117 } 1118 1119 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1120 /** 1121 * mpt_add_chain - Place a 32 bit chain SGE at address pAddr. 1122 * @pAddr: virtual address for SGE 1123 * @next: nextChainOffset value (u32's) 1124 * @length: length of next SGL segment 1125 * @dma_addr: Physical address 1126 * 1127 */ 1128 static void 1129 mpt_add_chain(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr) 1130 { 1131 SGEChain32_t *pChain = (SGEChain32_t *) pAddr; 1132 1133 pChain->Length = cpu_to_le16(length); 1134 pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; 1135 pChain->NextChainOffset = next; 1136 pChain->Address = cpu_to_le32(dma_addr); 1137 } 1138 1139 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1140 /** 1141 * mpt_add_chain_64bit - Place a 64 bit chain SGE at address pAddr. 1142 * @pAddr: virtual address for SGE 1143 * @next: nextChainOffset value (u32's) 1144 * @length: length of next SGL segment 1145 * @dma_addr: Physical address 1146 * 1147 */ 1148 static void 1149 mpt_add_chain_64bit(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr) 1150 { 1151 SGEChain64_t *pChain = (SGEChain64_t *) pAddr; 1152 u32 tmp = dma_addr & 0xFFFFFFFF; 1153 1154 pChain->Length = cpu_to_le16(length); 1155 pChain->Flags = (MPI_SGE_FLAGS_CHAIN_ELEMENT | 1156 MPI_SGE_FLAGS_64_BIT_ADDRESSING); 1157 1158 pChain->NextChainOffset = next; 1159 1160 pChain->Address.Low = cpu_to_le32(tmp); 1161 tmp = (u32)(upper_32_bits(dma_addr)); 1162 pChain->Address.High = cpu_to_le32(tmp); 1163 } 1164 1165 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1166 /** 1167 * mpt_send_handshake_request - Send MPT request via doorbell handshake method. 1168 * @cb_idx: Handle of registered MPT protocol driver 1169 * @ioc: Pointer to MPT adapter structure 1170 * @reqBytes: Size of the request in bytes 1171 * @req: Pointer to MPT request frame 1172 * @sleepFlag: Use schedule if CAN_SLEEP else use udelay. 1173 * 1174 * This routine is used exclusively to send MptScsiTaskMgmt 1175 * requests since they are required to be sent via doorbell handshake. 1176 * 1177 * NOTE: It is the callers responsibility to byte-swap fields in the 1178 * request which are greater than 1 byte in size. 1179 * 1180 * Returns 0 for success, non-zero for failure. 1181 */ 1182 int 1183 mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag) 1184 { 1185 int r = 0; 1186 u8 *req_as_bytes; 1187 int ii; 1188 1189 /* State is known to be good upon entering 1190 * this function so issue the bus reset 1191 * request. 1192 */ 1193 1194 /* 1195 * Emulate what mpt_put_msg_frame() does /wrt to sanity 1196 * setting cb_idx/req_idx. But ONLY if this request 1197 * is in proper (pre-alloc'd) request buffer range... 1198 */ 1199 ii = MFPTR_2_MPT_INDEX(ioc,(MPT_FRAME_HDR*)req); 1200 if (reqBytes >= 12 && ii >= 0 && ii < ioc->req_depth) { 1201 MPT_FRAME_HDR *mf = (MPT_FRAME_HDR*)req; 1202 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(ii); 1203 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; 1204 } 1205 1206 /* Make sure there are no doorbells */ 1207 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 1208 1209 CHIPREG_WRITE32(&ioc->chip->Doorbell, 1210 ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) | 1211 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT))); 1212 1213 /* Wait for IOC doorbell int */ 1214 if ((ii = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) { 1215 return ii; 1216 } 1217 1218 /* Read doorbell and check for active bit */ 1219 if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE)) 1220 return -5; 1221 1222 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_send_handshake_request start, WaitCnt=%d\n", 1223 ioc->name, ii)); 1224 1225 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 1226 1227 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) { 1228 return -2; 1229 } 1230 1231 /* Send request via doorbell handshake */ 1232 req_as_bytes = (u8 *) req; 1233 for (ii = 0; ii < reqBytes/4; ii++) { 1234 u32 word; 1235 1236 word = ((req_as_bytes[(ii*4) + 0] << 0) | 1237 (req_as_bytes[(ii*4) + 1] << 8) | 1238 (req_as_bytes[(ii*4) + 2] << 16) | 1239 (req_as_bytes[(ii*4) + 3] << 24)); 1240 CHIPREG_WRITE32(&ioc->chip->Doorbell, word); 1241 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) { 1242 r = -3; 1243 break; 1244 } 1245 } 1246 1247 if (r >= 0 && WaitForDoorbellInt(ioc, 10, sleepFlag) >= 0) 1248 r = 0; 1249 else 1250 r = -4; 1251 1252 /* Make sure there are no doorbells */ 1253 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 1254 1255 return r; 1256 } 1257 1258 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1259 /** 1260 * mpt_host_page_access_control - control the IOC's Host Page Buffer access 1261 * @ioc: Pointer to MPT adapter structure 1262 * @access_control_value: define bits below 1263 * @sleepFlag: Specifies whether the process can sleep 1264 * 1265 * Provides mechanism for the host driver to control the IOC's 1266 * Host Page Buffer access. 1267 * 1268 * Access Control Value - bits[15:12] 1269 * 0h Reserved 1270 * 1h Enable Access { MPI_DB_HPBAC_ENABLE_ACCESS } 1271 * 2h Disable Access { MPI_DB_HPBAC_DISABLE_ACCESS } 1272 * 3h Free Buffer { MPI_DB_HPBAC_FREE_BUFFER } 1273 * 1274 * Returns 0 for success, non-zero for failure. 1275 */ 1276 1277 static int 1278 mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag) 1279 { 1280 int r = 0; 1281 1282 /* return if in use */ 1283 if (CHIPREG_READ32(&ioc->chip->Doorbell) 1284 & MPI_DOORBELL_ACTIVE) 1285 return -1; 1286 1287 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 1288 1289 CHIPREG_WRITE32(&ioc->chip->Doorbell, 1290 ((MPI_FUNCTION_HOST_PAGEBUF_ACCESS_CONTROL 1291 <<MPI_DOORBELL_FUNCTION_SHIFT) | 1292 (access_control_value<<12))); 1293 1294 /* Wait for IOC to clear Doorbell Status bit */ 1295 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) { 1296 return -2; 1297 }else 1298 return 0; 1299 } 1300 1301 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1302 /** 1303 * mpt_host_page_alloc - allocate system memory for the fw 1304 * @ioc: Pointer to pointer to IOC adapter 1305 * @ioc_init: Pointer to ioc init config page 1306 * 1307 * If we already allocated memory in past, then resend the same pointer. 1308 * Returns 0 for success, non-zero for failure. 1309 */ 1310 static int 1311 mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init) 1312 { 1313 char *psge; 1314 int flags_length; 1315 u32 host_page_buffer_sz=0; 1316 1317 if(!ioc->HostPageBuffer) { 1318 1319 host_page_buffer_sz = 1320 le32_to_cpu(ioc->facts.HostPageBufferSGE.FlagsLength) & 0xFFFFFF; 1321 1322 if(!host_page_buffer_sz) 1323 return 0; /* fw doesn't need any host buffers */ 1324 1325 /* spin till we get enough memory */ 1326 while (host_page_buffer_sz > 0) { 1327 ioc->HostPageBuffer = 1328 dma_alloc_coherent(&ioc->pcidev->dev, 1329 host_page_buffer_sz, 1330 &ioc->HostPageBuffer_dma, 1331 GFP_KERNEL); 1332 if (ioc->HostPageBuffer) { 1333 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1334 "host_page_buffer @ %p, dma @ %x, sz=%d bytes\n", 1335 ioc->name, ioc->HostPageBuffer, 1336 (u32)ioc->HostPageBuffer_dma, 1337 host_page_buffer_sz)); 1338 ioc->alloc_total += host_page_buffer_sz; 1339 ioc->HostPageBuffer_sz = host_page_buffer_sz; 1340 break; 1341 } 1342 1343 host_page_buffer_sz -= (4*1024); 1344 } 1345 } 1346 1347 if(!ioc->HostPageBuffer) { 1348 printk(MYIOC_s_ERR_FMT 1349 "Failed to alloc memory for host_page_buffer!\n", 1350 ioc->name); 1351 return -999; 1352 } 1353 1354 psge = (char *)&ioc_init->HostPageBufferSGE; 1355 flags_length = MPI_SGE_FLAGS_SIMPLE_ELEMENT | 1356 MPI_SGE_FLAGS_SYSTEM_ADDRESS | 1357 MPI_SGE_FLAGS_HOST_TO_IOC | 1358 MPI_SGE_FLAGS_END_OF_BUFFER; 1359 flags_length = flags_length << MPI_SGE_FLAGS_SHIFT; 1360 flags_length |= ioc->HostPageBuffer_sz; 1361 ioc->add_sge(psge, flags_length, ioc->HostPageBuffer_dma); 1362 ioc->facts.HostPageBufferSGE = ioc_init->HostPageBufferSGE; 1363 1364 return 0; 1365 } 1366 1367 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1368 /** 1369 * mpt_verify_adapter - Given IOC identifier, set pointer to its adapter structure. 1370 * @iocid: IOC unique identifier (integer) 1371 * @iocpp: Pointer to pointer to IOC adapter 1372 * 1373 * Given a unique IOC identifier, set pointer to the associated MPT 1374 * adapter structure. 1375 * 1376 * Returns iocid and sets iocpp if iocid is found. 1377 * Returns -1 if iocid is not found. 1378 */ 1379 int 1380 mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp) 1381 { 1382 MPT_ADAPTER *ioc; 1383 1384 list_for_each_entry(ioc,&ioc_list,list) { 1385 if (ioc->id == iocid) { 1386 *iocpp =ioc; 1387 return iocid; 1388 } 1389 } 1390 1391 *iocpp = NULL; 1392 return -1; 1393 } 1394 1395 /** 1396 * mpt_get_product_name - returns product string 1397 * @vendor: pci vendor id 1398 * @device: pci device id 1399 * @revision: pci revision id 1400 * 1401 * Returns product string displayed when driver loads, 1402 * in /proc/mpt/summary and /sysfs/class/scsi_host/host<X>/version_product 1403 * 1404 **/ 1405 static const char* 1406 mpt_get_product_name(u16 vendor, u16 device, u8 revision) 1407 { 1408 char *product_str = NULL; 1409 1410 if (vendor == PCI_VENDOR_ID_BROCADE) { 1411 switch (device) 1412 { 1413 case MPI_MANUFACTPAGE_DEVICEID_FC949E: 1414 switch (revision) 1415 { 1416 case 0x00: 1417 product_str = "BRE040 A0"; 1418 break; 1419 case 0x01: 1420 product_str = "BRE040 A1"; 1421 break; 1422 default: 1423 product_str = "BRE040"; 1424 break; 1425 } 1426 break; 1427 } 1428 goto out; 1429 } 1430 1431 switch (device) 1432 { 1433 case MPI_MANUFACTPAGE_DEVICEID_FC909: 1434 product_str = "LSIFC909 B1"; 1435 break; 1436 case MPI_MANUFACTPAGE_DEVICEID_FC919: 1437 product_str = "LSIFC919 B0"; 1438 break; 1439 case MPI_MANUFACTPAGE_DEVICEID_FC929: 1440 product_str = "LSIFC929 B0"; 1441 break; 1442 case MPI_MANUFACTPAGE_DEVICEID_FC919X: 1443 if (revision < 0x80) 1444 product_str = "LSIFC919X A0"; 1445 else 1446 product_str = "LSIFC919XL A1"; 1447 break; 1448 case MPI_MANUFACTPAGE_DEVICEID_FC929X: 1449 if (revision < 0x80) 1450 product_str = "LSIFC929X A0"; 1451 else 1452 product_str = "LSIFC929XL A1"; 1453 break; 1454 case MPI_MANUFACTPAGE_DEVICEID_FC939X: 1455 product_str = "LSIFC939X A1"; 1456 break; 1457 case MPI_MANUFACTPAGE_DEVICEID_FC949X: 1458 product_str = "LSIFC949X A1"; 1459 break; 1460 case MPI_MANUFACTPAGE_DEVICEID_FC949E: 1461 switch (revision) 1462 { 1463 case 0x00: 1464 product_str = "LSIFC949E A0"; 1465 break; 1466 case 0x01: 1467 product_str = "LSIFC949E A1"; 1468 break; 1469 default: 1470 product_str = "LSIFC949E"; 1471 break; 1472 } 1473 break; 1474 case MPI_MANUFACTPAGE_DEVID_53C1030: 1475 switch (revision) 1476 { 1477 case 0x00: 1478 product_str = "LSI53C1030 A0"; 1479 break; 1480 case 0x01: 1481 product_str = "LSI53C1030 B0"; 1482 break; 1483 case 0x03: 1484 product_str = "LSI53C1030 B1"; 1485 break; 1486 case 0x07: 1487 product_str = "LSI53C1030 B2"; 1488 break; 1489 case 0x08: 1490 product_str = "LSI53C1030 C0"; 1491 break; 1492 case 0x80: 1493 product_str = "LSI53C1030T A0"; 1494 break; 1495 case 0x83: 1496 product_str = "LSI53C1030T A2"; 1497 break; 1498 case 0x87: 1499 product_str = "LSI53C1030T A3"; 1500 break; 1501 case 0xc1: 1502 product_str = "LSI53C1020A A1"; 1503 break; 1504 default: 1505 product_str = "LSI53C1030"; 1506 break; 1507 } 1508 break; 1509 case MPI_MANUFACTPAGE_DEVID_1030_53C1035: 1510 switch (revision) 1511 { 1512 case 0x03: 1513 product_str = "LSI53C1035 A2"; 1514 break; 1515 case 0x04: 1516 product_str = "LSI53C1035 B0"; 1517 break; 1518 default: 1519 product_str = "LSI53C1035"; 1520 break; 1521 } 1522 break; 1523 case MPI_MANUFACTPAGE_DEVID_SAS1064: 1524 switch (revision) 1525 { 1526 case 0x00: 1527 product_str = "LSISAS1064 A1"; 1528 break; 1529 case 0x01: 1530 product_str = "LSISAS1064 A2"; 1531 break; 1532 case 0x02: 1533 product_str = "LSISAS1064 A3"; 1534 break; 1535 case 0x03: 1536 product_str = "LSISAS1064 A4"; 1537 break; 1538 default: 1539 product_str = "LSISAS1064"; 1540 break; 1541 } 1542 break; 1543 case MPI_MANUFACTPAGE_DEVID_SAS1064E: 1544 switch (revision) 1545 { 1546 case 0x00: 1547 product_str = "LSISAS1064E A0"; 1548 break; 1549 case 0x01: 1550 product_str = "LSISAS1064E B0"; 1551 break; 1552 case 0x02: 1553 product_str = "LSISAS1064E B1"; 1554 break; 1555 case 0x04: 1556 product_str = "LSISAS1064E B2"; 1557 break; 1558 case 0x08: 1559 product_str = "LSISAS1064E B3"; 1560 break; 1561 default: 1562 product_str = "LSISAS1064E"; 1563 break; 1564 } 1565 break; 1566 case MPI_MANUFACTPAGE_DEVID_SAS1068: 1567 switch (revision) 1568 { 1569 case 0x00: 1570 product_str = "LSISAS1068 A0"; 1571 break; 1572 case 0x01: 1573 product_str = "LSISAS1068 B0"; 1574 break; 1575 case 0x02: 1576 product_str = "LSISAS1068 B1"; 1577 break; 1578 default: 1579 product_str = "LSISAS1068"; 1580 break; 1581 } 1582 break; 1583 case MPI_MANUFACTPAGE_DEVID_SAS1068E: 1584 switch (revision) 1585 { 1586 case 0x00: 1587 product_str = "LSISAS1068E A0"; 1588 break; 1589 case 0x01: 1590 product_str = "LSISAS1068E B0"; 1591 break; 1592 case 0x02: 1593 product_str = "LSISAS1068E B1"; 1594 break; 1595 case 0x04: 1596 product_str = "LSISAS1068E B2"; 1597 break; 1598 case 0x08: 1599 product_str = "LSISAS1068E B3"; 1600 break; 1601 default: 1602 product_str = "LSISAS1068E"; 1603 break; 1604 } 1605 break; 1606 case MPI_MANUFACTPAGE_DEVID_SAS1078: 1607 switch (revision) 1608 { 1609 case 0x00: 1610 product_str = "LSISAS1078 A0"; 1611 break; 1612 case 0x01: 1613 product_str = "LSISAS1078 B0"; 1614 break; 1615 case 0x02: 1616 product_str = "LSISAS1078 C0"; 1617 break; 1618 case 0x03: 1619 product_str = "LSISAS1078 C1"; 1620 break; 1621 case 0x04: 1622 product_str = "LSISAS1078 C2"; 1623 break; 1624 default: 1625 product_str = "LSISAS1078"; 1626 break; 1627 } 1628 break; 1629 } 1630 1631 out: 1632 return product_str; 1633 } 1634 1635 /** 1636 * mpt_mapresources - map in memory mapped io 1637 * @ioc: Pointer to pointer to IOC adapter 1638 * 1639 **/ 1640 static int 1641 mpt_mapresources(MPT_ADAPTER *ioc) 1642 { 1643 u8 __iomem *mem; 1644 int ii; 1645 resource_size_t mem_phys; 1646 unsigned long port; 1647 u32 msize; 1648 u32 psize; 1649 int r = -ENODEV; 1650 struct pci_dev *pdev; 1651 1652 pdev = ioc->pcidev; 1653 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); 1654 if (pci_enable_device_mem(pdev)) { 1655 printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() " 1656 "failed\n", ioc->name); 1657 return r; 1658 } 1659 if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) { 1660 printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with " 1661 "MEM failed\n", ioc->name); 1662 goto out_pci_disable_device; 1663 } 1664 1665 if (sizeof(dma_addr_t) > 4) { 1666 const uint64_t required_mask = dma_get_required_mask 1667 (&pdev->dev); 1668 if (required_mask > DMA_BIT_MASK(32) 1669 && !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) 1670 && !pci_set_consistent_dma_mask(pdev, 1671 DMA_BIT_MASK(64))) { 1672 ioc->dma_mask = DMA_BIT_MASK(64); 1673 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 1674 ": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n", 1675 ioc->name)); 1676 } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) 1677 && !pci_set_consistent_dma_mask(pdev, 1678 DMA_BIT_MASK(32))) { 1679 ioc->dma_mask = DMA_BIT_MASK(32); 1680 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 1681 ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n", 1682 ioc->name)); 1683 } else { 1684 printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n", 1685 ioc->name, pci_name(pdev)); 1686 goto out_pci_release_region; 1687 } 1688 } else { 1689 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) 1690 && !pci_set_consistent_dma_mask(pdev, 1691 DMA_BIT_MASK(32))) { 1692 ioc->dma_mask = DMA_BIT_MASK(32); 1693 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 1694 ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n", 1695 ioc->name)); 1696 } else { 1697 printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n", 1698 ioc->name, pci_name(pdev)); 1699 goto out_pci_release_region; 1700 } 1701 } 1702 1703 mem_phys = msize = 0; 1704 port = psize = 0; 1705 for (ii = 0; ii < DEVICE_COUNT_RESOURCE; ii++) { 1706 if (pci_resource_flags(pdev, ii) & PCI_BASE_ADDRESS_SPACE_IO) { 1707 if (psize) 1708 continue; 1709 /* Get I/O space! */ 1710 port = pci_resource_start(pdev, ii); 1711 psize = pci_resource_len(pdev, ii); 1712 } else { 1713 if (msize) 1714 continue; 1715 /* Get memmap */ 1716 mem_phys = pci_resource_start(pdev, ii); 1717 msize = pci_resource_len(pdev, ii); 1718 } 1719 } 1720 ioc->mem_size = msize; 1721 1722 mem = NULL; 1723 /* Get logical ptr for PciMem0 space */ 1724 /*mem = ioremap(mem_phys, msize);*/ 1725 mem = ioremap(mem_phys, msize); 1726 if (mem == NULL) { 1727 printk(MYIOC_s_ERR_FMT ": ERROR - Unable to map adapter" 1728 " memory!\n", ioc->name); 1729 r = -EINVAL; 1730 goto out_pci_release_region; 1731 } 1732 ioc->memmap = mem; 1733 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %llx\n", 1734 ioc->name, mem, (unsigned long long)mem_phys)); 1735 1736 ioc->mem_phys = mem_phys; 1737 ioc->chip = (SYSIF_REGS __iomem *)mem; 1738 1739 /* Save Port IO values in case we need to do downloadboot */ 1740 ioc->pio_mem_phys = port; 1741 ioc->pio_chip = (SYSIF_REGS __iomem *)port; 1742 1743 return 0; 1744 1745 out_pci_release_region: 1746 pci_release_selected_regions(pdev, ioc->bars); 1747 out_pci_disable_device: 1748 pci_disable_device(pdev); 1749 return r; 1750 } 1751 1752 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1753 /** 1754 * mpt_attach - Install a PCI intelligent MPT adapter. 1755 * @pdev: Pointer to pci_dev structure 1756 * @id: PCI device ID information 1757 * 1758 * This routine performs all the steps necessary to bring the IOC of 1759 * a MPT adapter to a OPERATIONAL state. This includes registering 1760 * memory regions, registering the interrupt, and allocating request 1761 * and reply memory pools. 1762 * 1763 * This routine also pre-fetches the LAN MAC address of a Fibre Channel 1764 * MPT adapter. 1765 * 1766 * Returns 0 for success, non-zero for failure. 1767 * 1768 * TODO: Add support for polled controllers 1769 */ 1770 int 1771 mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) 1772 { 1773 MPT_ADAPTER *ioc; 1774 u8 cb_idx; 1775 int r = -ENODEV; 1776 u8 pcixcmd; 1777 static int mpt_ids = 0; 1778 #ifdef CONFIG_PROC_FS 1779 struct proc_dir_entry *dent; 1780 #endif 1781 1782 ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_KERNEL); 1783 if (ioc == NULL) { 1784 printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n"); 1785 return -ENOMEM; 1786 } 1787 1788 ioc->id = mpt_ids++; 1789 sprintf(ioc->name, "ioc%d", ioc->id); 1790 dinitprintk(ioc, printk(KERN_WARNING MYNAM ": mpt_adapter_install\n")); 1791 1792 /* 1793 * set initial debug level 1794 * (refer to mptdebug.h) 1795 * 1796 */ 1797 ioc->debug_level = mpt_debug_level; 1798 if (mpt_debug_level) 1799 printk(KERN_INFO "mpt_debug_level=%xh\n", mpt_debug_level); 1800 1801 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": mpt_adapter_install\n", ioc->name)); 1802 1803 ioc->pcidev = pdev; 1804 if (mpt_mapresources(ioc)) { 1805 goto out_free_ioc; 1806 } 1807 1808 /* 1809 * Setting up proper handlers for scatter gather handling 1810 */ 1811 if (ioc->dma_mask == DMA_BIT_MASK(64)) { 1812 if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) 1813 ioc->add_sge = &mpt_add_sge_64bit_1078; 1814 else 1815 ioc->add_sge = &mpt_add_sge_64bit; 1816 ioc->add_chain = &mpt_add_chain_64bit; 1817 ioc->sg_addr_size = 8; 1818 } else { 1819 ioc->add_sge = &mpt_add_sge; 1820 ioc->add_chain = &mpt_add_chain; 1821 ioc->sg_addr_size = 4; 1822 } 1823 ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size; 1824 1825 ioc->alloc_total = sizeof(MPT_ADAPTER); 1826 ioc->req_sz = MPT_DEFAULT_FRAME_SIZE; /* avoid div by zero! */ 1827 ioc->reply_sz = MPT_REPLY_FRAME_SIZE; 1828 1829 1830 spin_lock_init(&ioc->taskmgmt_lock); 1831 mutex_init(&ioc->internal_cmds.mutex); 1832 init_completion(&ioc->internal_cmds.done); 1833 mutex_init(&ioc->mptbase_cmds.mutex); 1834 init_completion(&ioc->mptbase_cmds.done); 1835 mutex_init(&ioc->taskmgmt_cmds.mutex); 1836 init_completion(&ioc->taskmgmt_cmds.done); 1837 1838 /* Initialize the event logging. 1839 */ 1840 ioc->eventTypes = 0; /* None */ 1841 ioc->eventContext = 0; 1842 ioc->eventLogSize = 0; 1843 ioc->events = NULL; 1844 1845 #ifdef MFCNT 1846 ioc->mfcnt = 0; 1847 #endif 1848 1849 ioc->sh = NULL; 1850 ioc->cached_fw = NULL; 1851 1852 /* Initialize SCSI Config Data structure 1853 */ 1854 memset(&ioc->spi_data, 0, sizeof(SpiCfgData)); 1855 1856 /* Initialize the fc rport list head. 1857 */ 1858 INIT_LIST_HEAD(&ioc->fc_rports); 1859 1860 /* Find lookup slot. */ 1861 INIT_LIST_HEAD(&ioc->list); 1862 1863 1864 /* Initialize workqueue */ 1865 INIT_DELAYED_WORK(&ioc->fault_reset_work, mpt_fault_reset_work); 1866 1867 snprintf(ioc->reset_work_q_name, MPT_KOBJ_NAME_LEN, 1868 "mpt_poll_%d", ioc->id); 1869 ioc->reset_work_q = alloc_workqueue(ioc->reset_work_q_name, 1870 WQ_MEM_RECLAIM, 0); 1871 if (!ioc->reset_work_q) { 1872 printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n", 1873 ioc->name); 1874 r = -ENOMEM; 1875 goto out_unmap_resources; 1876 } 1877 1878 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "facts @ %p, pfacts[0] @ %p\n", 1879 ioc->name, &ioc->facts, &ioc->pfacts[0])); 1880 1881 ioc->prod_name = mpt_get_product_name(pdev->vendor, pdev->device, 1882 pdev->revision); 1883 1884 switch (pdev->device) 1885 { 1886 case MPI_MANUFACTPAGE_DEVICEID_FC939X: 1887 case MPI_MANUFACTPAGE_DEVICEID_FC949X: 1888 ioc->errata_flag_1064 = 1; 1889 fallthrough; 1890 case MPI_MANUFACTPAGE_DEVICEID_FC909: 1891 case MPI_MANUFACTPAGE_DEVICEID_FC929: 1892 case MPI_MANUFACTPAGE_DEVICEID_FC919: 1893 case MPI_MANUFACTPAGE_DEVICEID_FC949E: 1894 ioc->bus_type = FC; 1895 break; 1896 1897 case MPI_MANUFACTPAGE_DEVICEID_FC929X: 1898 if (pdev->revision < XL_929) { 1899 /* 929X Chip Fix. Set Split transactions level 1900 * for PCIX. Set MOST bits to zero. 1901 */ 1902 pci_read_config_byte(pdev, 0x6a, &pcixcmd); 1903 pcixcmd &= 0x8F; 1904 pci_write_config_byte(pdev, 0x6a, pcixcmd); 1905 } else { 1906 /* 929XL Chip Fix. Set MMRBC to 0x08. 1907 */ 1908 pci_read_config_byte(pdev, 0x6a, &pcixcmd); 1909 pcixcmd |= 0x08; 1910 pci_write_config_byte(pdev, 0x6a, pcixcmd); 1911 } 1912 ioc->bus_type = FC; 1913 break; 1914 1915 case MPI_MANUFACTPAGE_DEVICEID_FC919X: 1916 /* 919X Chip Fix. Set Split transactions level 1917 * for PCIX. Set MOST bits to zero. 1918 */ 1919 pci_read_config_byte(pdev, 0x6a, &pcixcmd); 1920 pcixcmd &= 0x8F; 1921 pci_write_config_byte(pdev, 0x6a, pcixcmd); 1922 ioc->bus_type = FC; 1923 break; 1924 1925 case MPI_MANUFACTPAGE_DEVID_53C1030: 1926 /* 1030 Chip Fix. Disable Split transactions 1927 * for PCIX. Set MOST bits to zero if Rev < C0( = 8). 1928 */ 1929 if (pdev->revision < C0_1030) { 1930 pci_read_config_byte(pdev, 0x6a, &pcixcmd); 1931 pcixcmd &= 0x8F; 1932 pci_write_config_byte(pdev, 0x6a, pcixcmd); 1933 } 1934 fallthrough; 1935 1936 case MPI_MANUFACTPAGE_DEVID_1030_53C1035: 1937 ioc->bus_type = SPI; 1938 break; 1939 1940 case MPI_MANUFACTPAGE_DEVID_SAS1064: 1941 case MPI_MANUFACTPAGE_DEVID_SAS1068: 1942 ioc->errata_flag_1064 = 1; 1943 ioc->bus_type = SAS; 1944 break; 1945 1946 case MPI_MANUFACTPAGE_DEVID_SAS1064E: 1947 case MPI_MANUFACTPAGE_DEVID_SAS1068E: 1948 case MPI_MANUFACTPAGE_DEVID_SAS1078: 1949 ioc->bus_type = SAS; 1950 break; 1951 } 1952 1953 1954 switch (ioc->bus_type) { 1955 1956 case SAS: 1957 ioc->msi_enable = mpt_msi_enable_sas; 1958 break; 1959 1960 case SPI: 1961 ioc->msi_enable = mpt_msi_enable_spi; 1962 break; 1963 1964 case FC: 1965 ioc->msi_enable = mpt_msi_enable_fc; 1966 break; 1967 1968 default: 1969 ioc->msi_enable = 0; 1970 break; 1971 } 1972 1973 ioc->fw_events_off = 1; 1974 1975 if (ioc->errata_flag_1064) 1976 pci_disable_io_access(pdev); 1977 1978 spin_lock_init(&ioc->FreeQlock); 1979 1980 /* Disable all! */ 1981 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); 1982 ioc->active = 0; 1983 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 1984 1985 /* Set IOC ptr in the pcidev's driver data. */ 1986 pci_set_drvdata(ioc->pcidev, ioc); 1987 1988 /* Set lookup ptr. */ 1989 list_add_tail(&ioc->list, &ioc_list); 1990 1991 /* Check for "bound ports" (929, 929X, 1030, 1035) to reduce redundant resets. 1992 */ 1993 mpt_detect_bound_ports(ioc, pdev); 1994 1995 INIT_LIST_HEAD(&ioc->fw_event_list); 1996 spin_lock_init(&ioc->fw_event_lock); 1997 snprintf(ioc->fw_event_q_name, MPT_KOBJ_NAME_LEN, "mpt/%d", ioc->id); 1998 ioc->fw_event_q = alloc_workqueue(ioc->fw_event_q_name, 1999 WQ_MEM_RECLAIM, 0); 2000 if (!ioc->fw_event_q) { 2001 printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n", 2002 ioc->name); 2003 r = -ENOMEM; 2004 goto out_remove_ioc; 2005 } 2006 2007 if ((r = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP, 2008 CAN_SLEEP)) != 0){ 2009 printk(MYIOC_s_ERR_FMT "didn't initialize properly! (%d)\n", 2010 ioc->name, r); 2011 2012 destroy_workqueue(ioc->fw_event_q); 2013 ioc->fw_event_q = NULL; 2014 2015 list_del(&ioc->list); 2016 if (ioc->alt_ioc) 2017 ioc->alt_ioc->alt_ioc = NULL; 2018 iounmap(ioc->memmap); 2019 if (pci_is_enabled(pdev)) 2020 pci_disable_device(pdev); 2021 if (r != -5) 2022 pci_release_selected_regions(pdev, ioc->bars); 2023 2024 destroy_workqueue(ioc->reset_work_q); 2025 ioc->reset_work_q = NULL; 2026 2027 kfree(ioc); 2028 return r; 2029 } 2030 2031 /* call per device driver probe entry point */ 2032 for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) { 2033 if(MptDeviceDriverHandlers[cb_idx] && 2034 MptDeviceDriverHandlers[cb_idx]->probe) { 2035 MptDeviceDriverHandlers[cb_idx]->probe(pdev,id); 2036 } 2037 } 2038 2039 #ifdef CONFIG_PROC_FS 2040 /* 2041 * Create "/proc/mpt/iocN" subdirectory entry for each MPT adapter. 2042 */ 2043 dent = proc_mkdir(ioc->name, mpt_proc_root_dir); 2044 if (dent) { 2045 proc_create_single_data("info", S_IRUGO, dent, 2046 mpt_iocinfo_proc_show, ioc); 2047 proc_create_single_data("summary", S_IRUGO, dent, 2048 mpt_summary_proc_show, ioc); 2049 } 2050 #endif 2051 2052 if (!ioc->alt_ioc) 2053 queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work, 2054 msecs_to_jiffies(MPT_POLLING_INTERVAL)); 2055 2056 return 0; 2057 2058 out_remove_ioc: 2059 list_del(&ioc->list); 2060 if (ioc->alt_ioc) 2061 ioc->alt_ioc->alt_ioc = NULL; 2062 2063 destroy_workqueue(ioc->reset_work_q); 2064 ioc->reset_work_q = NULL; 2065 2066 out_unmap_resources: 2067 iounmap(ioc->memmap); 2068 pci_disable_device(pdev); 2069 pci_release_selected_regions(pdev, ioc->bars); 2070 2071 out_free_ioc: 2072 kfree(ioc); 2073 2074 return r; 2075 } 2076 2077 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2078 /** 2079 * mpt_detach - Remove a PCI intelligent MPT adapter. 2080 * @pdev: Pointer to pci_dev structure 2081 */ 2082 2083 void 2084 mpt_detach(struct pci_dev *pdev) 2085 { 2086 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 2087 char pname[64]; 2088 u8 cb_idx; 2089 unsigned long flags; 2090 struct workqueue_struct *wq; 2091 2092 /* 2093 * Stop polling ioc for fault condition 2094 */ 2095 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 2096 wq = ioc->reset_work_q; 2097 ioc->reset_work_q = NULL; 2098 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2099 cancel_delayed_work(&ioc->fault_reset_work); 2100 destroy_workqueue(wq); 2101 2102 spin_lock_irqsave(&ioc->fw_event_lock, flags); 2103 wq = ioc->fw_event_q; 2104 ioc->fw_event_q = NULL; 2105 spin_unlock_irqrestore(&ioc->fw_event_lock, flags); 2106 destroy_workqueue(wq); 2107 2108 snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name); 2109 remove_proc_entry(pname, NULL); 2110 snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name); 2111 remove_proc_entry(pname, NULL); 2112 snprintf(pname, sizeof(pname), MPT_PROCFS_MPTBASEDIR "/%s", ioc->name); 2113 remove_proc_entry(pname, NULL); 2114 2115 /* call per device driver remove entry point */ 2116 for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) { 2117 if(MptDeviceDriverHandlers[cb_idx] && 2118 MptDeviceDriverHandlers[cb_idx]->remove) { 2119 MptDeviceDriverHandlers[cb_idx]->remove(pdev); 2120 } 2121 } 2122 2123 /* Disable interrupts! */ 2124 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); 2125 2126 ioc->active = 0; 2127 synchronize_irq(pdev->irq); 2128 2129 /* Clear any lingering interrupt */ 2130 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 2131 2132 CHIPREG_READ32(&ioc->chip->IntStatus); 2133 2134 mpt_adapter_dispose(ioc); 2135 2136 } 2137 2138 /************************************************************************** 2139 * Power Management 2140 */ 2141 #ifdef CONFIG_PM 2142 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2143 /** 2144 * mpt_suspend - Fusion MPT base driver suspend routine. 2145 * @pdev: Pointer to pci_dev structure 2146 * @state: new state to enter 2147 */ 2148 int 2149 mpt_suspend(struct pci_dev *pdev, pm_message_t state) 2150 { 2151 u32 device_state; 2152 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 2153 2154 device_state = pci_choose_state(pdev, state); 2155 printk(MYIOC_s_INFO_FMT "pci-suspend: pdev=0x%p, slot=%s, Entering " 2156 "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev), 2157 device_state); 2158 2159 /* put ioc into READY_STATE */ 2160 if (SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, CAN_SLEEP)) { 2161 printk(MYIOC_s_ERR_FMT 2162 "pci-suspend: IOC msg unit reset failed!\n", ioc->name); 2163 } 2164 2165 /* disable interrupts */ 2166 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); 2167 ioc->active = 0; 2168 2169 /* Clear any lingering interrupt */ 2170 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 2171 2172 free_irq(ioc->pci_irq, ioc); 2173 if (ioc->msi_enable) 2174 pci_disable_msi(ioc->pcidev); 2175 ioc->pci_irq = -1; 2176 pci_save_state(pdev); 2177 pci_disable_device(pdev); 2178 pci_release_selected_regions(pdev, ioc->bars); 2179 pci_set_power_state(pdev, device_state); 2180 return 0; 2181 } 2182 2183 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2184 /** 2185 * mpt_resume - Fusion MPT base driver resume routine. 2186 * @pdev: Pointer to pci_dev structure 2187 */ 2188 int 2189 mpt_resume(struct pci_dev *pdev) 2190 { 2191 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 2192 u32 device_state = pdev->current_state; 2193 int recovery_state; 2194 int err; 2195 2196 printk(MYIOC_s_INFO_FMT "pci-resume: pdev=0x%p, slot=%s, Previous " 2197 "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev), 2198 device_state); 2199 2200 pci_set_power_state(pdev, PCI_D0); 2201 pci_enable_wake(pdev, PCI_D0, 0); 2202 pci_restore_state(pdev); 2203 ioc->pcidev = pdev; 2204 err = mpt_mapresources(ioc); 2205 if (err) 2206 return err; 2207 2208 if (ioc->dma_mask == DMA_BIT_MASK(64)) { 2209 if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) 2210 ioc->add_sge = &mpt_add_sge_64bit_1078; 2211 else 2212 ioc->add_sge = &mpt_add_sge_64bit; 2213 ioc->add_chain = &mpt_add_chain_64bit; 2214 ioc->sg_addr_size = 8; 2215 } else { 2216 2217 ioc->add_sge = &mpt_add_sge; 2218 ioc->add_chain = &mpt_add_chain; 2219 ioc->sg_addr_size = 4; 2220 } 2221 ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size; 2222 2223 printk(MYIOC_s_INFO_FMT "pci-resume: ioc-state=0x%x,doorbell=0x%x\n", 2224 ioc->name, (mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT), 2225 CHIPREG_READ32(&ioc->chip->Doorbell)); 2226 2227 /* 2228 * Errata workaround for SAS pci express: 2229 * Upon returning to the D0 state, the contents of the doorbell will be 2230 * stale data, and this will incorrectly signal to the host driver that 2231 * the firmware is ready to process mpt commands. The workaround is 2232 * to issue a diagnostic reset. 2233 */ 2234 if (ioc->bus_type == SAS && (pdev->device == 2235 MPI_MANUFACTPAGE_DEVID_SAS1068E || pdev->device == 2236 MPI_MANUFACTPAGE_DEVID_SAS1064E)) { 2237 if (KickStart(ioc, 1, CAN_SLEEP) < 0) { 2238 printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover\n", 2239 ioc->name); 2240 goto out; 2241 } 2242 } 2243 2244 /* bring ioc to operational state */ 2245 printk(MYIOC_s_INFO_FMT "Sending mpt_do_ioc_recovery\n", ioc->name); 2246 recovery_state = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP, 2247 CAN_SLEEP); 2248 if (recovery_state != 0) 2249 printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover, " 2250 "error:[%x]\n", ioc->name, recovery_state); 2251 else 2252 printk(MYIOC_s_INFO_FMT 2253 "pci-resume: success\n", ioc->name); 2254 out: 2255 return 0; 2256 2257 } 2258 #endif 2259 2260 static int 2261 mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase) 2262 { 2263 if ((MptDriverClass[index] == MPTSPI_DRIVER && 2264 ioc->bus_type != SPI) || 2265 (MptDriverClass[index] == MPTFC_DRIVER && 2266 ioc->bus_type != FC) || 2267 (MptDriverClass[index] == MPTSAS_DRIVER && 2268 ioc->bus_type != SAS)) 2269 /* make sure we only call the relevant reset handler 2270 * for the bus */ 2271 return 0; 2272 return (MptResetHandlers[index])(ioc, reset_phase); 2273 } 2274 2275 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2276 /** 2277 * mpt_do_ioc_recovery - Initialize or recover MPT adapter. 2278 * @ioc: Pointer to MPT adapter structure 2279 * @reason: Event word / reason 2280 * @sleepFlag: Use schedule if CAN_SLEEP else use udelay. 2281 * 2282 * This routine performs all the steps necessary to bring the IOC 2283 * to a OPERATIONAL state. 2284 * 2285 * This routine also pre-fetches the LAN MAC address of a Fibre Channel 2286 * MPT adapter. 2287 * 2288 * Returns: 2289 * 0 for success 2290 * -1 if failed to get board READY 2291 * -2 if READY but IOCFacts Failed 2292 * -3 if READY but PrimeIOCFifos Failed 2293 * -4 if READY but IOCInit Failed 2294 * -5 if failed to enable_device and/or request_selected_regions 2295 * -6 if failed to upload firmware 2296 */ 2297 static int 2298 mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag) 2299 { 2300 int hard_reset_done = 0; 2301 int alt_ioc_ready = 0; 2302 int hard; 2303 int rc=0; 2304 int ii; 2305 int ret = 0; 2306 int reset_alt_ioc_active = 0; 2307 int irq_allocated = 0; 2308 u8 *a; 2309 2310 printk(MYIOC_s_INFO_FMT "Initiating %s\n", ioc->name, 2311 reason == MPT_HOSTEVENT_IOC_BRINGUP ? "bringup" : "recovery"); 2312 2313 /* Disable reply interrupts (also blocks FreeQ) */ 2314 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); 2315 ioc->active = 0; 2316 2317 if (ioc->alt_ioc) { 2318 if (ioc->alt_ioc->active || 2319 reason == MPT_HOSTEVENT_IOC_RECOVER) { 2320 reset_alt_ioc_active = 1; 2321 /* Disable alt-IOC's reply interrupts 2322 * (and FreeQ) for a bit 2323 **/ 2324 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, 2325 0xFFFFFFFF); 2326 ioc->alt_ioc->active = 0; 2327 } 2328 } 2329 2330 hard = 1; 2331 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) 2332 hard = 0; 2333 2334 if ((hard_reset_done = MakeIocReady(ioc, hard, sleepFlag)) < 0) { 2335 if (hard_reset_done == -4) { 2336 printk(MYIOC_s_WARN_FMT "Owned by PEER..skipping!\n", 2337 ioc->name); 2338 2339 if (reset_alt_ioc_active && ioc->alt_ioc) { 2340 /* (re)Enable alt-IOC! (reply interrupt, FreeQ) */ 2341 dprintk(ioc, printk(MYIOC_s_INFO_FMT 2342 "alt_ioc reply irq re-enabled\n", ioc->alt_ioc->name)); 2343 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM); 2344 ioc->alt_ioc->active = 1; 2345 } 2346 2347 } else { 2348 printk(MYIOC_s_WARN_FMT 2349 "NOT READY WARNING!\n", ioc->name); 2350 } 2351 ret = -1; 2352 goto out; 2353 } 2354 2355 /* hard_reset_done = 0 if a soft reset was performed 2356 * and 1 if a hard reset was performed. 2357 */ 2358 if (hard_reset_done && reset_alt_ioc_active && ioc->alt_ioc) { 2359 if ((rc = MakeIocReady(ioc->alt_ioc, 0, sleepFlag)) == 0) 2360 alt_ioc_ready = 1; 2361 else 2362 printk(MYIOC_s_WARN_FMT 2363 ": alt-ioc Not ready WARNING!\n", 2364 ioc->alt_ioc->name); 2365 } 2366 2367 for (ii=0; ii<5; ii++) { 2368 /* Get IOC facts! Allow 5 retries */ 2369 if ((rc = GetIocFacts(ioc, sleepFlag, reason)) == 0) 2370 break; 2371 } 2372 2373 2374 if (ii == 5) { 2375 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2376 "Retry IocFacts failed rc=%x\n", ioc->name, rc)); 2377 ret = -2; 2378 } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) { 2379 MptDisplayIocCapabilities(ioc); 2380 } 2381 2382 if (alt_ioc_ready) { 2383 if ((rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason)) != 0) { 2384 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2385 "Initial Alt IocFacts failed rc=%x\n", 2386 ioc->name, rc)); 2387 /* Retry - alt IOC was initialized once 2388 */ 2389 rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason); 2390 } 2391 if (rc) { 2392 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2393 "Retry Alt IocFacts failed rc=%x\n", ioc->name, rc)); 2394 alt_ioc_ready = 0; 2395 reset_alt_ioc_active = 0; 2396 } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) { 2397 MptDisplayIocCapabilities(ioc->alt_ioc); 2398 } 2399 } 2400 2401 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP) && 2402 (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)) { 2403 pci_release_selected_regions(ioc->pcidev, ioc->bars); 2404 ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM | 2405 IORESOURCE_IO); 2406 if (pci_enable_device(ioc->pcidev)) 2407 return -5; 2408 if (pci_request_selected_regions(ioc->pcidev, ioc->bars, 2409 "mpt")) 2410 return -5; 2411 } 2412 2413 /* 2414 * Device is reset now. It must have de-asserted the interrupt line 2415 * (if it was asserted) and it should be safe to register for the 2416 * interrupt now. 2417 */ 2418 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) { 2419 ioc->pci_irq = -1; 2420 if (ioc->pcidev->irq) { 2421 if (ioc->msi_enable && !pci_enable_msi(ioc->pcidev)) 2422 printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n", 2423 ioc->name); 2424 else 2425 ioc->msi_enable = 0; 2426 rc = request_irq(ioc->pcidev->irq, mpt_interrupt, 2427 IRQF_SHARED, ioc->name, ioc); 2428 if (rc < 0) { 2429 printk(MYIOC_s_ERR_FMT "Unable to allocate " 2430 "interrupt %d!\n", 2431 ioc->name, ioc->pcidev->irq); 2432 if (ioc->msi_enable) 2433 pci_disable_msi(ioc->pcidev); 2434 ret = -EBUSY; 2435 goto out; 2436 } 2437 irq_allocated = 1; 2438 ioc->pci_irq = ioc->pcidev->irq; 2439 pci_set_master(ioc->pcidev); /* ?? */ 2440 pci_set_drvdata(ioc->pcidev, ioc); 2441 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 2442 "installed at interrupt %d\n", ioc->name, 2443 ioc->pcidev->irq)); 2444 } 2445 } 2446 2447 /* Prime reply & request queues! 2448 * (mucho alloc's) Must be done prior to 2449 * init as upper addresses are needed for init. 2450 * If fails, continue with alt-ioc processing 2451 */ 2452 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "PrimeIocFifos\n", 2453 ioc->name)); 2454 if ((ret == 0) && ((rc = PrimeIocFifos(ioc)) != 0)) 2455 ret = -3; 2456 2457 /* May need to check/upload firmware & data here! 2458 * If fails, continue with alt-ioc processing 2459 */ 2460 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "SendIocInit\n", 2461 ioc->name)); 2462 if ((ret == 0) && ((rc = SendIocInit(ioc, sleepFlag)) != 0)) 2463 ret = -4; 2464 // NEW! 2465 if (alt_ioc_ready && ((rc = PrimeIocFifos(ioc->alt_ioc)) != 0)) { 2466 printk(MYIOC_s_WARN_FMT 2467 ": alt-ioc (%d) FIFO mgmt alloc WARNING!\n", 2468 ioc->alt_ioc->name, rc); 2469 alt_ioc_ready = 0; 2470 reset_alt_ioc_active = 0; 2471 } 2472 2473 if (alt_ioc_ready) { 2474 if ((rc = SendIocInit(ioc->alt_ioc, sleepFlag)) != 0) { 2475 alt_ioc_ready = 0; 2476 reset_alt_ioc_active = 0; 2477 printk(MYIOC_s_WARN_FMT 2478 ": alt-ioc: (%d) init failure WARNING!\n", 2479 ioc->alt_ioc->name, rc); 2480 } 2481 } 2482 2483 if (reason == MPT_HOSTEVENT_IOC_BRINGUP){ 2484 if (ioc->upload_fw) { 2485 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2486 "firmware upload required!\n", ioc->name)); 2487 2488 /* Controller is not operational, cannot do upload 2489 */ 2490 if (ret == 0) { 2491 rc = mpt_do_upload(ioc, sleepFlag); 2492 if (rc == 0) { 2493 if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) { 2494 /* 2495 * Maintain only one pointer to FW memory 2496 * so there will not be two attempt to 2497 * downloadboot onboard dual function 2498 * chips (mpt_adapter_disable, 2499 * mpt_diag_reset) 2500 */ 2501 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2502 "mpt_upload: alt_%s has cached_fw=%p \n", 2503 ioc->name, ioc->alt_ioc->name, ioc->alt_ioc->cached_fw)); 2504 ioc->cached_fw = NULL; 2505 } 2506 } else { 2507 printk(MYIOC_s_WARN_FMT 2508 "firmware upload failure!\n", ioc->name); 2509 ret = -6; 2510 } 2511 } 2512 } 2513 } 2514 2515 /* Enable MPT base driver management of EventNotification 2516 * and EventAck handling. 2517 */ 2518 if ((ret == 0) && (!ioc->facts.EventState)) { 2519 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 2520 "SendEventNotification\n", 2521 ioc->name)); 2522 ret = SendEventNotification(ioc, 1, sleepFlag); /* 1=Enable */ 2523 } 2524 2525 if (ioc->alt_ioc && alt_ioc_ready && !ioc->alt_ioc->facts.EventState) 2526 rc = SendEventNotification(ioc->alt_ioc, 1, sleepFlag); 2527 2528 if (ret == 0) { 2529 /* Enable! (reply interrupt) */ 2530 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM); 2531 ioc->active = 1; 2532 } 2533 if (rc == 0) { /* alt ioc */ 2534 if (reset_alt_ioc_active && ioc->alt_ioc) { 2535 /* (re)Enable alt-IOC! (reply interrupt) */ 2536 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "alt-ioc" 2537 "reply irq re-enabled\n", 2538 ioc->alt_ioc->name)); 2539 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, 2540 MPI_HIM_DIM); 2541 ioc->alt_ioc->active = 1; 2542 } 2543 } 2544 2545 2546 /* Add additional "reason" check before call to GetLanConfigPages 2547 * (combined with GetIoUnitPage2 call). This prevents a somewhat 2548 * recursive scenario; GetLanConfigPages times out, timer expired 2549 * routine calls HardResetHandler, which calls into here again, 2550 * and we try GetLanConfigPages again... 2551 */ 2552 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) { 2553 2554 /* 2555 * Initialize link list for inactive raid volumes. 2556 */ 2557 mutex_init(&ioc->raid_data.inactive_list_mutex); 2558 INIT_LIST_HEAD(&ioc->raid_data.inactive_list); 2559 2560 switch (ioc->bus_type) { 2561 2562 case SAS: 2563 /* clear persistency table */ 2564 if(ioc->facts.IOCExceptions & 2565 MPI_IOCFACTS_EXCEPT_PERSISTENT_TABLE_FULL) { 2566 ret = mptbase_sas_persist_operation(ioc, 2567 MPI_SAS_OP_CLEAR_NOT_PRESENT); 2568 if(ret != 0) 2569 goto out; 2570 } 2571 2572 /* Find IM volumes 2573 */ 2574 mpt_findImVolumes(ioc); 2575 2576 /* Check, and possibly reset, the coalescing value 2577 */ 2578 mpt_read_ioc_pg_1(ioc); 2579 2580 break; 2581 2582 case FC: 2583 if ((ioc->pfacts[0].ProtocolFlags & 2584 MPI_PORTFACTS_PROTOCOL_LAN) && 2585 (ioc->lan_cnfg_page0.Header.PageLength == 0)) { 2586 /* 2587 * Pre-fetch the ports LAN MAC address! 2588 * (LANPage1_t stuff) 2589 */ 2590 (void) GetLanConfigPages(ioc); 2591 a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow; 2592 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2593 "LanAddr = %pMR\n", ioc->name, a)); 2594 } 2595 break; 2596 2597 case SPI: 2598 /* Get NVRAM and adapter maximums from SPP 0 and 2 2599 */ 2600 mpt_GetScsiPortSettings(ioc, 0); 2601 2602 /* Get version and length of SDP 1 2603 */ 2604 mpt_readScsiDevicePageHeaders(ioc, 0); 2605 2606 /* Find IM volumes 2607 */ 2608 if (ioc->facts.MsgVersion >= MPI_VERSION_01_02) 2609 mpt_findImVolumes(ioc); 2610 2611 /* Check, and possibly reset, the coalescing value 2612 */ 2613 mpt_read_ioc_pg_1(ioc); 2614 2615 mpt_read_ioc_pg_4(ioc); 2616 2617 break; 2618 } 2619 2620 GetIoUnitPage2(ioc); 2621 mpt_get_manufacturing_pg_0(ioc); 2622 } 2623 2624 out: 2625 if ((ret != 0) && irq_allocated) { 2626 free_irq(ioc->pci_irq, ioc); 2627 if (ioc->msi_enable) 2628 pci_disable_msi(ioc->pcidev); 2629 } 2630 return ret; 2631 } 2632 2633 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2634 /** 2635 * mpt_detect_bound_ports - Search for matching PCI bus/dev_function 2636 * @ioc: Pointer to MPT adapter structure 2637 * @pdev: Pointer to (struct pci_dev) structure 2638 * 2639 * Search for PCI bus/dev_function which matches 2640 * PCI bus/dev_function (+/-1) for newly discovered 929, 2641 * 929X, 1030 or 1035. 2642 * 2643 * If match on PCI dev_function +/-1 is found, bind the two MPT adapters 2644 * using alt_ioc pointer fields in their %MPT_ADAPTER structures. 2645 */ 2646 static void 2647 mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev) 2648 { 2649 struct pci_dev *peer=NULL; 2650 unsigned int slot = PCI_SLOT(pdev->devfn); 2651 unsigned int func = PCI_FUNC(pdev->devfn); 2652 MPT_ADAPTER *ioc_srch; 2653 2654 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PCI device %s devfn=%x/%x," 2655 " searching for devfn match on %x or %x\n", 2656 ioc->name, pci_name(pdev), pdev->bus->number, 2657 pdev->devfn, func-1, func+1)); 2658 2659 peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func-1)); 2660 if (!peer) { 2661 peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func+1)); 2662 if (!peer) 2663 return; 2664 } 2665 2666 list_for_each_entry(ioc_srch, &ioc_list, list) { 2667 struct pci_dev *_pcidev = ioc_srch->pcidev; 2668 if (_pcidev == peer) { 2669 /* Paranoia checks */ 2670 if (ioc->alt_ioc != NULL) { 2671 printk(MYIOC_s_WARN_FMT 2672 "Oops, already bound (%s <==> %s)!\n", 2673 ioc->name, ioc->name, ioc->alt_ioc->name); 2674 break; 2675 } else if (ioc_srch->alt_ioc != NULL) { 2676 printk(MYIOC_s_WARN_FMT 2677 "Oops, already bound (%s <==> %s)!\n", 2678 ioc_srch->name, ioc_srch->name, 2679 ioc_srch->alt_ioc->name); 2680 break; 2681 } 2682 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2683 "FOUND! binding %s <==> %s\n", 2684 ioc->name, ioc->name, ioc_srch->name)); 2685 ioc_srch->alt_ioc = ioc; 2686 ioc->alt_ioc = ioc_srch; 2687 } 2688 } 2689 pci_dev_put(peer); 2690 } 2691 2692 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2693 /** 2694 * mpt_adapter_disable - Disable misbehaving MPT adapter. 2695 * @ioc: Pointer to MPT adapter structure 2696 */ 2697 static void 2698 mpt_adapter_disable(MPT_ADAPTER *ioc) 2699 { 2700 int sz; 2701 int ret; 2702 2703 if (ioc->cached_fw != NULL) { 2704 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2705 "%s: Pushing FW onto adapter\n", __func__, ioc->name)); 2706 if ((ret = mpt_downloadboot(ioc, (MpiFwHeader_t *) 2707 ioc->cached_fw, CAN_SLEEP)) < 0) { 2708 printk(MYIOC_s_WARN_FMT 2709 ": firmware downloadboot failure (%d)!\n", 2710 ioc->name, ret); 2711 } 2712 } 2713 2714 /* 2715 * Put the controller into ready state (if its not already) 2716 */ 2717 if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY) { 2718 if (!SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, 2719 CAN_SLEEP)) { 2720 if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY) 2721 printk(MYIOC_s_ERR_FMT "%s: IOC msg unit " 2722 "reset failed to put ioc in ready state!\n", 2723 ioc->name, __func__); 2724 } else 2725 printk(MYIOC_s_ERR_FMT "%s: IOC msg unit reset " 2726 "failed!\n", ioc->name, __func__); 2727 } 2728 2729 2730 /* Disable adapter interrupts! */ 2731 synchronize_irq(ioc->pcidev->irq); 2732 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); 2733 ioc->active = 0; 2734 2735 /* Clear any lingering interrupt */ 2736 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 2737 CHIPREG_READ32(&ioc->chip->IntStatus); 2738 2739 if (ioc->alloc != NULL) { 2740 sz = ioc->alloc_sz; 2741 dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "free @ %p, sz=%d bytes\n", 2742 ioc->name, ioc->alloc, ioc->alloc_sz)); 2743 dma_free_coherent(&ioc->pcidev->dev, sz, ioc->alloc, 2744 ioc->alloc_dma); 2745 ioc->reply_frames = NULL; 2746 ioc->req_frames = NULL; 2747 ioc->alloc = NULL; 2748 ioc->alloc_total -= sz; 2749 } 2750 2751 if (ioc->sense_buf_pool != NULL) { 2752 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC); 2753 dma_free_coherent(&ioc->pcidev->dev, sz, ioc->sense_buf_pool, 2754 ioc->sense_buf_pool_dma); 2755 ioc->sense_buf_pool = NULL; 2756 ioc->alloc_total -= sz; 2757 } 2758 2759 if (ioc->events != NULL){ 2760 sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS); 2761 kfree(ioc->events); 2762 ioc->events = NULL; 2763 ioc->alloc_total -= sz; 2764 } 2765 2766 mpt_free_fw_memory(ioc); 2767 2768 kfree(ioc->spi_data.nvram); 2769 mpt_inactive_raid_list_free(ioc); 2770 kfree(ioc->raid_data.pIocPg2); 2771 kfree(ioc->raid_data.pIocPg3); 2772 ioc->spi_data.nvram = NULL; 2773 ioc->raid_data.pIocPg3 = NULL; 2774 2775 if (ioc->spi_data.pIocPg4 != NULL) { 2776 sz = ioc->spi_data.IocPg4Sz; 2777 pci_free_consistent(ioc->pcidev, sz, 2778 ioc->spi_data.pIocPg4, 2779 ioc->spi_data.IocPg4_dma); 2780 ioc->spi_data.pIocPg4 = NULL; 2781 ioc->alloc_total -= sz; 2782 } 2783 2784 if (ioc->ReqToChain != NULL) { 2785 kfree(ioc->ReqToChain); 2786 kfree(ioc->RequestNB); 2787 ioc->ReqToChain = NULL; 2788 } 2789 2790 kfree(ioc->ChainToChain); 2791 ioc->ChainToChain = NULL; 2792 2793 if (ioc->HostPageBuffer != NULL) { 2794 if((ret = mpt_host_page_access_control(ioc, 2795 MPI_DB_HPBAC_FREE_BUFFER, NO_SLEEP)) != 0) { 2796 printk(MYIOC_s_ERR_FMT 2797 ": %s: host page buffers free failed (%d)!\n", 2798 ioc->name, __func__, ret); 2799 } 2800 dexitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2801 "HostPageBuffer free @ %p, sz=%d bytes\n", 2802 ioc->name, ioc->HostPageBuffer, 2803 ioc->HostPageBuffer_sz)); 2804 dma_free_coherent(&ioc->pcidev->dev, ioc->HostPageBuffer_sz, 2805 ioc->HostPageBuffer, ioc->HostPageBuffer_dma); 2806 ioc->HostPageBuffer = NULL; 2807 ioc->HostPageBuffer_sz = 0; 2808 ioc->alloc_total -= ioc->HostPageBuffer_sz; 2809 } 2810 2811 pci_set_drvdata(ioc->pcidev, NULL); 2812 } 2813 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2814 /** 2815 * mpt_adapter_dispose - Free all resources associated with an MPT adapter 2816 * @ioc: Pointer to MPT adapter structure 2817 * 2818 * This routine unregisters h/w resources and frees all alloc'd memory 2819 * associated with a MPT adapter structure. 2820 */ 2821 static void 2822 mpt_adapter_dispose(MPT_ADAPTER *ioc) 2823 { 2824 int sz_first, sz_last; 2825 2826 if (ioc == NULL) 2827 return; 2828 2829 sz_first = ioc->alloc_total; 2830 2831 mpt_adapter_disable(ioc); 2832 2833 if (ioc->pci_irq != -1) { 2834 free_irq(ioc->pci_irq, ioc); 2835 if (ioc->msi_enable) 2836 pci_disable_msi(ioc->pcidev); 2837 ioc->pci_irq = -1; 2838 } 2839 2840 if (ioc->memmap != NULL) { 2841 iounmap(ioc->memmap); 2842 ioc->memmap = NULL; 2843 } 2844 2845 pci_disable_device(ioc->pcidev); 2846 pci_release_selected_regions(ioc->pcidev, ioc->bars); 2847 2848 /* Zap the adapter lookup ptr! */ 2849 list_del(&ioc->list); 2850 2851 sz_last = ioc->alloc_total; 2852 dprintk(ioc, printk(MYIOC_s_INFO_FMT "free'd %d of %d bytes\n", 2853 ioc->name, sz_first-sz_last+(int)sizeof(*ioc), sz_first)); 2854 2855 if (ioc->alt_ioc) 2856 ioc->alt_ioc->alt_ioc = NULL; 2857 2858 kfree(ioc); 2859 } 2860 2861 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2862 /** 2863 * MptDisplayIocCapabilities - Disply IOC's capabilities. 2864 * @ioc: Pointer to MPT adapter structure 2865 */ 2866 static void 2867 MptDisplayIocCapabilities(MPT_ADAPTER *ioc) 2868 { 2869 int i = 0; 2870 2871 printk(KERN_INFO "%s: ", ioc->name); 2872 if (ioc->prod_name) 2873 pr_cont("%s: ", ioc->prod_name); 2874 pr_cont("Capabilities={"); 2875 2876 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_INITIATOR) { 2877 pr_cont("Initiator"); 2878 i++; 2879 } 2880 2881 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) { 2882 pr_cont("%sTarget", i ? "," : ""); 2883 i++; 2884 } 2885 2886 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) { 2887 pr_cont("%sLAN", i ? "," : ""); 2888 i++; 2889 } 2890 2891 #if 0 2892 /* 2893 * This would probably evoke more questions than it's worth 2894 */ 2895 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) { 2896 pr_cont("%sLogBusAddr", i ? "," : ""); 2897 i++; 2898 } 2899 #endif 2900 2901 pr_cont("}\n"); 2902 } 2903 2904 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2905 /** 2906 * MakeIocReady - Get IOC to a READY state, using KickStart if needed. 2907 * @ioc: Pointer to MPT_ADAPTER structure 2908 * @force: Force hard KickStart of IOC 2909 * @sleepFlag: Specifies whether the process can sleep 2910 * 2911 * Returns: 2912 * 1 - DIAG reset and READY 2913 * 0 - READY initially OR soft reset and READY 2914 * -1 - Any failure on KickStart 2915 * -2 - Msg Unit Reset Failed 2916 * -3 - IO Unit Reset Failed 2917 * -4 - IOC owned by a PEER 2918 */ 2919 static int 2920 MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag) 2921 { 2922 u32 ioc_state; 2923 int statefault = 0; 2924 int cntdn; 2925 int hard_reset_done = 0; 2926 int r; 2927 int ii; 2928 int whoinit; 2929 2930 /* Get current [raw] IOC state */ 2931 ioc_state = mpt_GetIocState(ioc, 0); 2932 dhsprintk(ioc, printk(MYIOC_s_INFO_FMT "MakeIocReady [raw] state=%08x\n", ioc->name, ioc_state)); 2933 2934 /* 2935 * Check to see if IOC got left/stuck in doorbell handshake 2936 * grip of death. If so, hard reset the IOC. 2937 */ 2938 if (ioc_state & MPI_DOORBELL_ACTIVE) { 2939 statefault = 1; 2940 printk(MYIOC_s_WARN_FMT "Unexpected doorbell active!\n", 2941 ioc->name); 2942 } 2943 2944 /* Is it already READY? */ 2945 if (!statefault && 2946 ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_READY)) { 2947 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 2948 "IOC is in READY state\n", ioc->name)); 2949 return 0; 2950 } 2951 2952 /* 2953 * Check to see if IOC is in FAULT state. 2954 */ 2955 if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) { 2956 statefault = 2; 2957 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state!!!\n", 2958 ioc->name); 2959 printk(MYIOC_s_WARN_FMT " FAULT code = %04xh\n", 2960 ioc->name, ioc_state & MPI_DOORBELL_DATA_MASK); 2961 } 2962 2963 /* 2964 * Hmmm... Did it get left operational? 2965 */ 2966 if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL) { 2967 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOC operational unexpected\n", 2968 ioc->name)); 2969 2970 /* Check WhoInit. 2971 * If PCI Peer, exit. 2972 * Else, if no fault conditions are present, issue a MessageUnitReset 2973 * Else, fall through to KickStart case 2974 */ 2975 whoinit = (ioc_state & MPI_DOORBELL_WHO_INIT_MASK) >> MPI_DOORBELL_WHO_INIT_SHIFT; 2976 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 2977 "whoinit 0x%x statefault %d force %d\n", 2978 ioc->name, whoinit, statefault, force)); 2979 if (whoinit == MPI_WHOINIT_PCI_PEER) 2980 return -4; 2981 else { 2982 if ((statefault == 0 ) && (force == 0)) { 2983 if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) == 0) 2984 return 0; 2985 } 2986 statefault = 3; 2987 } 2988 } 2989 2990 hard_reset_done = KickStart(ioc, statefault||force, sleepFlag); 2991 if (hard_reset_done < 0) 2992 return -1; 2993 2994 /* 2995 * Loop here waiting for IOC to come READY. 2996 */ 2997 ii = 0; 2998 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 5; /* 5 seconds */ 2999 3000 while ((ioc_state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) { 3001 if (ioc_state == MPI_IOC_STATE_OPERATIONAL) { 3002 /* 3003 * BIOS or previous driver load left IOC in OP state. 3004 * Reset messaging FIFOs. 3005 */ 3006 if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) != 0) { 3007 printk(MYIOC_s_ERR_FMT "IOC msg unit reset failed!\n", ioc->name); 3008 return -2; 3009 } 3010 } else if (ioc_state == MPI_IOC_STATE_RESET) { 3011 /* 3012 * Something is wrong. Try to get IOC back 3013 * to a known state. 3014 */ 3015 if ((r = SendIocReset(ioc, MPI_FUNCTION_IO_UNIT_RESET, sleepFlag)) != 0) { 3016 printk(MYIOC_s_ERR_FMT "IO unit reset failed!\n", ioc->name); 3017 return -3; 3018 } 3019 } 3020 3021 ii++; cntdn--; 3022 if (!cntdn) { 3023 printk(MYIOC_s_ERR_FMT 3024 "Wait IOC_READY state (0x%x) timeout(%d)!\n", 3025 ioc->name, ioc_state, (int)((ii+5)/HZ)); 3026 return -ETIME; 3027 } 3028 3029 if (sleepFlag == CAN_SLEEP) { 3030 msleep(1); 3031 } else { 3032 mdelay (1); /* 1 msec delay */ 3033 } 3034 3035 } 3036 3037 if (statefault < 3) { 3038 printk(MYIOC_s_INFO_FMT "Recovered from %s\n", ioc->name, 3039 statefault == 1 ? "stuck handshake" : "IOC FAULT"); 3040 } 3041 3042 return hard_reset_done; 3043 } 3044 3045 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3046 /** 3047 * mpt_GetIocState - Get the current state of a MPT adapter. 3048 * @ioc: Pointer to MPT_ADAPTER structure 3049 * @cooked: Request raw or cooked IOC state 3050 * 3051 * Returns all IOC Doorbell register bits if cooked==0, else just the 3052 * Doorbell bits in MPI_IOC_STATE_MASK. 3053 */ 3054 u32 3055 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked) 3056 { 3057 u32 s, sc; 3058 3059 /* Get! */ 3060 s = CHIPREG_READ32(&ioc->chip->Doorbell); 3061 sc = s & MPI_IOC_STATE_MASK; 3062 3063 /* Save! */ 3064 ioc->last_state = sc; 3065 3066 return cooked ? sc : s; 3067 } 3068 3069 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3070 /** 3071 * GetIocFacts - Send IOCFacts request to MPT adapter. 3072 * @ioc: Pointer to MPT_ADAPTER structure 3073 * @sleepFlag: Specifies whether the process can sleep 3074 * @reason: If recovery, only update facts. 3075 * 3076 * Returns 0 for success, non-zero for failure. 3077 */ 3078 static int 3079 GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason) 3080 { 3081 IOCFacts_t get_facts; 3082 IOCFactsReply_t *facts; 3083 int r; 3084 int req_sz; 3085 int reply_sz; 3086 int sz; 3087 u32 status, vv; 3088 u8 shiftFactor=1; 3089 3090 /* IOC *must* NOT be in RESET state! */ 3091 if (ioc->last_state == MPI_IOC_STATE_RESET) { 3092 printk(KERN_ERR MYNAM 3093 ": ERROR - Can't get IOCFacts, %s NOT READY! (%08x)\n", 3094 ioc->name, ioc->last_state); 3095 return -44; 3096 } 3097 3098 facts = &ioc->facts; 3099 3100 /* Destination (reply area)... */ 3101 reply_sz = sizeof(*facts); 3102 memset(facts, 0, reply_sz); 3103 3104 /* Request area (get_facts on the stack right now!) */ 3105 req_sz = sizeof(get_facts); 3106 memset(&get_facts, 0, req_sz); 3107 3108 get_facts.Function = MPI_FUNCTION_IOC_FACTS; 3109 /* Assert: All other get_facts fields are zero! */ 3110 3111 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3112 "Sending get IocFacts request req_sz=%d reply_sz=%d\n", 3113 ioc->name, req_sz, reply_sz)); 3114 3115 /* No non-zero fields in the get_facts request are greater than 3116 * 1 byte in size, so we can just fire it off as is. 3117 */ 3118 r = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_facts, 3119 reply_sz, (u16*)facts, 5 /*seconds*/, sleepFlag); 3120 if (r != 0) 3121 return r; 3122 3123 /* 3124 * Now byte swap (GRRR) the necessary fields before any further 3125 * inspection of reply contents. 3126 * 3127 * But need to do some sanity checks on MsgLength (byte) field 3128 * to make sure we don't zero IOC's req_sz! 3129 */ 3130 /* Did we get a valid reply? */ 3131 if (facts->MsgLength > offsetof(IOCFactsReply_t, RequestFrameSize)/sizeof(u32)) { 3132 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) { 3133 /* 3134 * If not been here, done that, save off first WhoInit value 3135 */ 3136 if (ioc->FirstWhoInit == WHOINIT_UNKNOWN) 3137 ioc->FirstWhoInit = facts->WhoInit; 3138 } 3139 3140 facts->MsgVersion = le16_to_cpu(facts->MsgVersion); 3141 facts->MsgContext = le32_to_cpu(facts->MsgContext); 3142 facts->IOCExceptions = le16_to_cpu(facts->IOCExceptions); 3143 facts->IOCStatus = le16_to_cpu(facts->IOCStatus); 3144 facts->IOCLogInfo = le32_to_cpu(facts->IOCLogInfo); 3145 status = le16_to_cpu(facts->IOCStatus) & MPI_IOCSTATUS_MASK; 3146 /* CHECKME! IOCStatus, IOCLogInfo */ 3147 3148 facts->ReplyQueueDepth = le16_to_cpu(facts->ReplyQueueDepth); 3149 facts->RequestFrameSize = le16_to_cpu(facts->RequestFrameSize); 3150 3151 /* 3152 * FC f/w version changed between 1.1 and 1.2 3153 * Old: u16{Major(4),Minor(4),SubMinor(8)} 3154 * New: u32{Major(8),Minor(8),Unit(8),Dev(8)} 3155 */ 3156 if (facts->MsgVersion < MPI_VERSION_01_02) { 3157 /* 3158 * Handle old FC f/w style, convert to new... 3159 */ 3160 u16 oldv = le16_to_cpu(facts->Reserved_0101_FWVersion); 3161 facts->FWVersion.Word = 3162 ((oldv<<12) & 0xFF000000) | 3163 ((oldv<<8) & 0x000FFF00); 3164 } else 3165 facts->FWVersion.Word = le32_to_cpu(facts->FWVersion.Word); 3166 3167 facts->ProductID = le16_to_cpu(facts->ProductID); 3168 3169 if ((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK) 3170 > MPI_FW_HEADER_PID_PROD_TARGET_SCSI) 3171 ioc->ir_firmware = 1; 3172 3173 facts->CurrentHostMfaHighAddr = 3174 le32_to_cpu(facts->CurrentHostMfaHighAddr); 3175 facts->GlobalCredits = le16_to_cpu(facts->GlobalCredits); 3176 facts->CurrentSenseBufferHighAddr = 3177 le32_to_cpu(facts->CurrentSenseBufferHighAddr); 3178 facts->CurReplyFrameSize = 3179 le16_to_cpu(facts->CurReplyFrameSize); 3180 facts->IOCCapabilities = le32_to_cpu(facts->IOCCapabilities); 3181 3182 /* 3183 * Handle NEW (!) IOCFactsReply fields in MPI-1.01.xx 3184 * Older MPI-1.00.xx struct had 13 dwords, and enlarged 3185 * to 14 in MPI-1.01.0x. 3186 */ 3187 if (facts->MsgLength >= (offsetof(IOCFactsReply_t,FWImageSize) + 7)/4 && 3188 facts->MsgVersion > MPI_VERSION_01_00) { 3189 facts->FWImageSize = le32_to_cpu(facts->FWImageSize); 3190 } 3191 3192 facts->FWImageSize = ALIGN(facts->FWImageSize, 4); 3193 3194 if (!facts->RequestFrameSize) { 3195 /* Something is wrong! */ 3196 printk(MYIOC_s_ERR_FMT "IOC reported invalid 0 request size!\n", 3197 ioc->name); 3198 return -55; 3199 } 3200 3201 r = sz = facts->BlockSize; 3202 vv = ((63 / (sz * 4)) + 1) & 0x03; 3203 ioc->NB_for_64_byte_frame = vv; 3204 while ( sz ) 3205 { 3206 shiftFactor++; 3207 sz = sz >> 1; 3208 } 3209 ioc->NBShiftFactor = shiftFactor; 3210 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3211 "NB_for_64_byte_frame=%x NBShiftFactor=%x BlockSize=%x\n", 3212 ioc->name, vv, shiftFactor, r)); 3213 3214 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) { 3215 /* 3216 * Set values for this IOC's request & reply frame sizes, 3217 * and request & reply queue depths... 3218 */ 3219 ioc->req_sz = min(MPT_DEFAULT_FRAME_SIZE, facts->RequestFrameSize * 4); 3220 ioc->req_depth = min_t(int, MPT_MAX_REQ_DEPTH, facts->GlobalCredits); 3221 ioc->reply_sz = MPT_REPLY_FRAME_SIZE; 3222 ioc->reply_depth = min_t(int, MPT_DEFAULT_REPLY_DEPTH, facts->ReplyQueueDepth); 3223 3224 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "reply_sz=%3d, reply_depth=%4d\n", 3225 ioc->name, ioc->reply_sz, ioc->reply_depth)); 3226 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "req_sz =%3d, req_depth =%4d\n", 3227 ioc->name, ioc->req_sz, ioc->req_depth)); 3228 3229 /* Get port facts! */ 3230 if ( (r = GetPortFacts(ioc, 0, sleepFlag)) != 0 ) 3231 return r; 3232 } 3233 } else { 3234 printk(MYIOC_s_ERR_FMT 3235 "Invalid IOC facts reply, msgLength=%d offsetof=%zd!\n", 3236 ioc->name, facts->MsgLength, (offsetof(IOCFactsReply_t, 3237 RequestFrameSize)/sizeof(u32))); 3238 return -66; 3239 } 3240 3241 return 0; 3242 } 3243 3244 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3245 /** 3246 * GetPortFacts - Send PortFacts request to MPT adapter. 3247 * @ioc: Pointer to MPT_ADAPTER structure 3248 * @portnum: Port number 3249 * @sleepFlag: Specifies whether the process can sleep 3250 * 3251 * Returns 0 for success, non-zero for failure. 3252 */ 3253 static int 3254 GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag) 3255 { 3256 PortFacts_t get_pfacts; 3257 PortFactsReply_t *pfacts; 3258 int ii; 3259 int req_sz; 3260 int reply_sz; 3261 int max_id; 3262 3263 /* IOC *must* NOT be in RESET state! */ 3264 if (ioc->last_state == MPI_IOC_STATE_RESET) { 3265 printk(MYIOC_s_ERR_FMT "Can't get PortFacts NOT READY! (%08x)\n", 3266 ioc->name, ioc->last_state ); 3267 return -4; 3268 } 3269 3270 pfacts = &ioc->pfacts[portnum]; 3271 3272 /* Destination (reply area)... */ 3273 reply_sz = sizeof(*pfacts); 3274 memset(pfacts, 0, reply_sz); 3275 3276 /* Request area (get_pfacts on the stack right now!) */ 3277 req_sz = sizeof(get_pfacts); 3278 memset(&get_pfacts, 0, req_sz); 3279 3280 get_pfacts.Function = MPI_FUNCTION_PORT_FACTS; 3281 get_pfacts.PortNumber = portnum; 3282 /* Assert: All other get_pfacts fields are zero! */ 3283 3284 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending get PortFacts(%d) request\n", 3285 ioc->name, portnum)); 3286 3287 /* No non-zero fields in the get_pfacts request are greater than 3288 * 1 byte in size, so we can just fire it off as is. 3289 */ 3290 ii = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_pfacts, 3291 reply_sz, (u16*)pfacts, 5 /*seconds*/, sleepFlag); 3292 if (ii != 0) 3293 return ii; 3294 3295 /* Did we get a valid reply? */ 3296 3297 /* Now byte swap the necessary fields in the response. */ 3298 pfacts->MsgContext = le32_to_cpu(pfacts->MsgContext); 3299 pfacts->IOCStatus = le16_to_cpu(pfacts->IOCStatus); 3300 pfacts->IOCLogInfo = le32_to_cpu(pfacts->IOCLogInfo); 3301 pfacts->MaxDevices = le16_to_cpu(pfacts->MaxDevices); 3302 pfacts->PortSCSIID = le16_to_cpu(pfacts->PortSCSIID); 3303 pfacts->ProtocolFlags = le16_to_cpu(pfacts->ProtocolFlags); 3304 pfacts->MaxPostedCmdBuffers = le16_to_cpu(pfacts->MaxPostedCmdBuffers); 3305 pfacts->MaxPersistentIDs = le16_to_cpu(pfacts->MaxPersistentIDs); 3306 pfacts->MaxLanBuckets = le16_to_cpu(pfacts->MaxLanBuckets); 3307 3308 max_id = (ioc->bus_type == SAS) ? pfacts->PortSCSIID : 3309 pfacts->MaxDevices; 3310 ioc->devices_per_bus = (max_id > 255) ? 256 : max_id; 3311 ioc->number_of_buses = (ioc->devices_per_bus < 256) ? 1 : max_id/256; 3312 3313 /* 3314 * Place all the devices on channels 3315 * 3316 * (for debuging) 3317 */ 3318 if (mpt_channel_mapping) { 3319 ioc->devices_per_bus = 1; 3320 ioc->number_of_buses = (max_id > 255) ? 255 : max_id; 3321 } 3322 3323 return 0; 3324 } 3325 3326 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3327 /** 3328 * SendIocInit - Send IOCInit request to MPT adapter. 3329 * @ioc: Pointer to MPT_ADAPTER structure 3330 * @sleepFlag: Specifies whether the process can sleep 3331 * 3332 * Send IOCInit followed by PortEnable to bring IOC to OPERATIONAL state. 3333 * 3334 * Returns 0 for success, non-zero for failure. 3335 */ 3336 static int 3337 SendIocInit(MPT_ADAPTER *ioc, int sleepFlag) 3338 { 3339 IOCInit_t ioc_init; 3340 MPIDefaultReply_t init_reply; 3341 u32 state; 3342 int r; 3343 int count; 3344 int cntdn; 3345 3346 memset(&ioc_init, 0, sizeof(ioc_init)); 3347 memset(&init_reply, 0, sizeof(init_reply)); 3348 3349 ioc_init.WhoInit = MPI_WHOINIT_HOST_DRIVER; 3350 ioc_init.Function = MPI_FUNCTION_IOC_INIT; 3351 3352 /* If we are in a recovery mode and we uploaded the FW image, 3353 * then this pointer is not NULL. Skip the upload a second time. 3354 * Set this flag if cached_fw set for either IOC. 3355 */ 3356 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT) 3357 ioc->upload_fw = 1; 3358 else 3359 ioc->upload_fw = 0; 3360 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "upload_fw %d facts.Flags=%x\n", 3361 ioc->name, ioc->upload_fw, ioc->facts.Flags)); 3362 3363 ioc_init.MaxDevices = (U8)ioc->devices_per_bus; 3364 ioc_init.MaxBuses = (U8)ioc->number_of_buses; 3365 3366 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "facts.MsgVersion=%x\n", 3367 ioc->name, ioc->facts.MsgVersion)); 3368 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05) { 3369 // set MsgVersion and HeaderVersion host driver was built with 3370 ioc_init.MsgVersion = cpu_to_le16(MPI_VERSION); 3371 ioc_init.HeaderVersion = cpu_to_le16(MPI_HEADER_VERSION); 3372 3373 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_HOST_PAGE_BUFFER_PERSISTENT) { 3374 ioc_init.HostPageBufferSGE = ioc->facts.HostPageBufferSGE; 3375 } else if(mpt_host_page_alloc(ioc, &ioc_init)) 3376 return -99; 3377 } 3378 ioc_init.ReplyFrameSize = cpu_to_le16(ioc->reply_sz); /* in BYTES */ 3379 3380 if (ioc->sg_addr_size == sizeof(u64)) { 3381 /* Save the upper 32-bits of the request 3382 * (reply) and sense buffers. 3383 */ 3384 ioc_init.HostMfaHighAddr = cpu_to_le32((u32)((u64)ioc->alloc_dma >> 32)); 3385 ioc_init.SenseBufferHighAddr = cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32)); 3386 } else { 3387 /* Force 32-bit addressing */ 3388 ioc_init.HostMfaHighAddr = cpu_to_le32(0); 3389 ioc_init.SenseBufferHighAddr = cpu_to_le32(0); 3390 } 3391 3392 ioc->facts.CurrentHostMfaHighAddr = ioc_init.HostMfaHighAddr; 3393 ioc->facts.CurrentSenseBufferHighAddr = ioc_init.SenseBufferHighAddr; 3394 ioc->facts.MaxDevices = ioc_init.MaxDevices; 3395 ioc->facts.MaxBuses = ioc_init.MaxBuses; 3396 3397 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOCInit (req @ %p)\n", 3398 ioc->name, &ioc_init)); 3399 3400 r = mpt_handshake_req_reply_wait(ioc, sizeof(IOCInit_t), (u32*)&ioc_init, 3401 sizeof(MPIDefaultReply_t), (u16*)&init_reply, 10 /*seconds*/, sleepFlag); 3402 if (r != 0) { 3403 printk(MYIOC_s_ERR_FMT "Sending IOCInit failed(%d)!\n",ioc->name, r); 3404 return r; 3405 } 3406 3407 /* No need to byte swap the multibyte fields in the reply 3408 * since we don't even look at its contents. 3409 */ 3410 3411 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending PortEnable (req @ %p)\n", 3412 ioc->name, &ioc_init)); 3413 3414 if ((r = SendPortEnable(ioc, 0, sleepFlag)) != 0) { 3415 printk(MYIOC_s_ERR_FMT "Sending PortEnable failed(%d)!\n",ioc->name, r); 3416 return r; 3417 } 3418 3419 /* YIKES! SUPER IMPORTANT!!! 3420 * Poll IocState until _OPERATIONAL while IOC is doing 3421 * LoopInit and TargetDiscovery! 3422 */ 3423 count = 0; 3424 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 60; /* 60 seconds */ 3425 state = mpt_GetIocState(ioc, 1); 3426 while (state != MPI_IOC_STATE_OPERATIONAL && --cntdn) { 3427 if (sleepFlag == CAN_SLEEP) { 3428 msleep(1); 3429 } else { 3430 mdelay(1); 3431 } 3432 3433 if (!cntdn) { 3434 printk(MYIOC_s_ERR_FMT "Wait IOC_OP state timeout(%d)!\n", 3435 ioc->name, (int)((count+5)/HZ)); 3436 return -9; 3437 } 3438 3439 state = mpt_GetIocState(ioc, 1); 3440 count++; 3441 } 3442 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wait IOC_OPERATIONAL state (cnt=%d)\n", 3443 ioc->name, count)); 3444 3445 ioc->aen_event_read_flag=0; 3446 return r; 3447 } 3448 3449 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3450 /** 3451 * SendPortEnable - Send PortEnable request to MPT adapter port. 3452 * @ioc: Pointer to MPT_ADAPTER structure 3453 * @portnum: Port number to enable 3454 * @sleepFlag: Specifies whether the process can sleep 3455 * 3456 * Send PortEnable to bring IOC to OPERATIONAL state. 3457 * 3458 * Returns 0 for success, non-zero for failure. 3459 */ 3460 static int 3461 SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag) 3462 { 3463 PortEnable_t port_enable; 3464 MPIDefaultReply_t reply_buf; 3465 int rc; 3466 int req_sz; 3467 int reply_sz; 3468 3469 /* Destination... */ 3470 reply_sz = sizeof(MPIDefaultReply_t); 3471 memset(&reply_buf, 0, reply_sz); 3472 3473 req_sz = sizeof(PortEnable_t); 3474 memset(&port_enable, 0, req_sz); 3475 3476 port_enable.Function = MPI_FUNCTION_PORT_ENABLE; 3477 port_enable.PortNumber = portnum; 3478 /* port_enable.ChainOffset = 0; */ 3479 /* port_enable.MsgFlags = 0; */ 3480 /* port_enable.MsgContext = 0; */ 3481 3482 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Port(%d)Enable (req @ %p)\n", 3483 ioc->name, portnum, &port_enable)); 3484 3485 /* RAID FW may take a long time to enable 3486 */ 3487 if (ioc->ir_firmware || ioc->bus_type == SAS) { 3488 rc = mpt_handshake_req_reply_wait(ioc, req_sz, 3489 (u32*)&port_enable, reply_sz, (u16*)&reply_buf, 3490 300 /*seconds*/, sleepFlag); 3491 } else { 3492 rc = mpt_handshake_req_reply_wait(ioc, req_sz, 3493 (u32*)&port_enable, reply_sz, (u16*)&reply_buf, 3494 30 /*seconds*/, sleepFlag); 3495 } 3496 return rc; 3497 } 3498 3499 /** 3500 * mpt_alloc_fw_memory - allocate firmware memory 3501 * @ioc: Pointer to MPT_ADAPTER structure 3502 * @size: total FW bytes 3503 * 3504 * If memory has already been allocated, the same (cached) value 3505 * is returned. 3506 * 3507 * Return 0 if successful, or non-zero for failure 3508 **/ 3509 int 3510 mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size) 3511 { 3512 int rc; 3513 3514 if (ioc->cached_fw) { 3515 rc = 0; /* use already allocated memory */ 3516 goto out; 3517 } 3518 else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) { 3519 ioc->cached_fw = ioc->alt_ioc->cached_fw; /* use alt_ioc's memory */ 3520 ioc->cached_fw_dma = ioc->alt_ioc->cached_fw_dma; 3521 rc = 0; 3522 goto out; 3523 } 3524 ioc->cached_fw = pci_alloc_consistent(ioc->pcidev, size, &ioc->cached_fw_dma); 3525 if (!ioc->cached_fw) { 3526 printk(MYIOC_s_ERR_FMT "Unable to allocate memory for the cached firmware image!\n", 3527 ioc->name); 3528 rc = -1; 3529 } else { 3530 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Image @ %p[%p], sz=%d[%x] bytes\n", 3531 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, size, size)); 3532 ioc->alloc_total += size; 3533 rc = 0; 3534 } 3535 out: 3536 return rc; 3537 } 3538 3539 /** 3540 * mpt_free_fw_memory - free firmware memory 3541 * @ioc: Pointer to MPT_ADAPTER structure 3542 * 3543 * If alt_img is NULL, delete from ioc structure. 3544 * Else, delete a secondary image in same format. 3545 **/ 3546 void 3547 mpt_free_fw_memory(MPT_ADAPTER *ioc) 3548 { 3549 int sz; 3550 3551 if (!ioc->cached_fw) 3552 return; 3553 3554 sz = ioc->facts.FWImageSize; 3555 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "free_fw_memory: FW Image @ %p[%p], sz=%d[%x] bytes\n", 3556 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz)); 3557 pci_free_consistent(ioc->pcidev, sz, ioc->cached_fw, ioc->cached_fw_dma); 3558 ioc->alloc_total -= sz; 3559 ioc->cached_fw = NULL; 3560 } 3561 3562 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3563 /** 3564 * mpt_do_upload - Construct and Send FWUpload request to MPT adapter port. 3565 * @ioc: Pointer to MPT_ADAPTER structure 3566 * @sleepFlag: Specifies whether the process can sleep 3567 * 3568 * Returns 0 for success, >0 for handshake failure 3569 * <0 for fw upload failure. 3570 * 3571 * Remark: If bound IOC and a successful FWUpload was performed 3572 * on the bound IOC, the second image is discarded 3573 * and memory is free'd. Both channels must upload to prevent 3574 * IOC from running in degraded mode. 3575 */ 3576 static int 3577 mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag) 3578 { 3579 u8 reply[sizeof(FWUploadReply_t)]; 3580 FWUpload_t *prequest; 3581 FWUploadReply_t *preply; 3582 FWUploadTCSGE_t *ptcsge; 3583 u32 flagsLength; 3584 int ii, sz, reply_sz; 3585 int cmdStatus; 3586 int request_size; 3587 /* If the image size is 0, we are done. 3588 */ 3589 if ((sz = ioc->facts.FWImageSize) == 0) 3590 return 0; 3591 3592 if (mpt_alloc_fw_memory(ioc, ioc->facts.FWImageSize) != 0) 3593 return -ENOMEM; 3594 3595 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": FW Image @ %p[%p], sz=%d[%x] bytes\n", 3596 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz)); 3597 3598 prequest = (sleepFlag == NO_SLEEP) ? kzalloc(ioc->req_sz, GFP_ATOMIC) : 3599 kzalloc(ioc->req_sz, GFP_KERNEL); 3600 if (!prequest) { 3601 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed " 3602 "while allocating memory \n", ioc->name)); 3603 mpt_free_fw_memory(ioc); 3604 return -ENOMEM; 3605 } 3606 3607 preply = (FWUploadReply_t *)&reply; 3608 3609 reply_sz = sizeof(reply); 3610 memset(preply, 0, reply_sz); 3611 3612 prequest->ImageType = MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM; 3613 prequest->Function = MPI_FUNCTION_FW_UPLOAD; 3614 3615 ptcsge = (FWUploadTCSGE_t *) &prequest->SGL; 3616 ptcsge->DetailsLength = 12; 3617 ptcsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT; 3618 ptcsge->ImageSize = cpu_to_le32(sz); 3619 ptcsge++; 3620 3621 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | sz; 3622 ioc->add_sge((char *)ptcsge, flagsLength, ioc->cached_fw_dma); 3623 request_size = offsetof(FWUpload_t, SGL) + sizeof(FWUploadTCSGE_t) + 3624 ioc->SGE_size; 3625 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending FW Upload " 3626 " (req @ %p) fw_size=%d mf_request_size=%d\n", ioc->name, prequest, 3627 ioc->facts.FWImageSize, request_size)); 3628 DBG_DUMP_FW_REQUEST_FRAME(ioc, (u32 *)prequest); 3629 3630 ii = mpt_handshake_req_reply_wait(ioc, request_size, (u32 *)prequest, 3631 reply_sz, (u16 *)preply, 65 /*seconds*/, sleepFlag); 3632 3633 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Upload completed " 3634 "rc=%x \n", ioc->name, ii)); 3635 3636 cmdStatus = -EFAULT; 3637 if (ii == 0) { 3638 /* Handshake transfer was complete and successful. 3639 * Check the Reply Frame. 3640 */ 3641 int status; 3642 status = le16_to_cpu(preply->IOCStatus) & 3643 MPI_IOCSTATUS_MASK; 3644 if (status == MPI_IOCSTATUS_SUCCESS && 3645 ioc->facts.FWImageSize == 3646 le32_to_cpu(preply->ActualImageSize)) 3647 cmdStatus = 0; 3648 } 3649 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": do_upload cmdStatus=%d \n", 3650 ioc->name, cmdStatus)); 3651 3652 3653 if (cmdStatus) { 3654 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed, " 3655 "freeing image \n", ioc->name)); 3656 mpt_free_fw_memory(ioc); 3657 } 3658 kfree(prequest); 3659 3660 return cmdStatus; 3661 } 3662 3663 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3664 /** 3665 * mpt_downloadboot - DownloadBoot code 3666 * @ioc: Pointer to MPT_ADAPTER structure 3667 * @pFwHeader: Pointer to firmware header info 3668 * @sleepFlag: Specifies whether the process can sleep 3669 * 3670 * FwDownloadBoot requires Programmed IO access. 3671 * 3672 * Returns 0 for success 3673 * -1 FW Image size is 0 3674 * -2 No valid cached_fw Pointer 3675 * <0 for fw upload failure. 3676 */ 3677 static int 3678 mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag) 3679 { 3680 MpiExtImageHeader_t *pExtImage; 3681 u32 fwSize; 3682 u32 diag0val; 3683 int count; 3684 u32 *ptrFw; 3685 u32 diagRwData; 3686 u32 nextImage; 3687 u32 load_addr; 3688 u32 ioc_state=0; 3689 3690 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot: fw size 0x%x (%d), FW Ptr %p\n", 3691 ioc->name, pFwHeader->ImageSize, pFwHeader->ImageSize, pFwHeader)); 3692 3693 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); 3694 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE); 3695 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE); 3696 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE); 3697 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE); 3698 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE); 3699 3700 CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM)); 3701 3702 /* wait 1 msec */ 3703 if (sleepFlag == CAN_SLEEP) { 3704 msleep(1); 3705 } else { 3706 mdelay (1); 3707 } 3708 3709 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 3710 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER); 3711 3712 for (count = 0; count < 30; count ++) { 3713 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 3714 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) { 3715 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RESET_ADAPTER cleared, count=%d\n", 3716 ioc->name, count)); 3717 break; 3718 } 3719 /* wait .1 sec */ 3720 if (sleepFlag == CAN_SLEEP) { 3721 msleep (100); 3722 } else { 3723 mdelay (100); 3724 } 3725 } 3726 3727 if ( count == 30 ) { 3728 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot failed! " 3729 "Unable to get MPI_DIAG_DRWE mode, diag0val=%x\n", 3730 ioc->name, diag0val)); 3731 return -3; 3732 } 3733 3734 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); 3735 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE); 3736 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE); 3737 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE); 3738 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE); 3739 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE); 3740 3741 /* Set the DiagRwEn and Disable ARM bits */ 3742 CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_RW_ENABLE | MPI_DIAG_DISABLE_ARM)); 3743 3744 fwSize = (pFwHeader->ImageSize + 3)/4; 3745 ptrFw = (u32 *) pFwHeader; 3746 3747 /* Write the LoadStartAddress to the DiagRw Address Register 3748 * using Programmed IO 3749 */ 3750 if (ioc->errata_flag_1064) 3751 pci_enable_io_access(ioc->pcidev); 3752 3753 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->LoadStartAddress); 3754 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "LoadStart addr written 0x%x \n", 3755 ioc->name, pFwHeader->LoadStartAddress)); 3756 3757 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write FW Image: 0x%x bytes @ %p\n", 3758 ioc->name, fwSize*4, ptrFw)); 3759 while (fwSize--) { 3760 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++); 3761 } 3762 3763 nextImage = pFwHeader->NextImageHeaderOffset; 3764 while (nextImage) { 3765 pExtImage = (MpiExtImageHeader_t *) ((char *)pFwHeader + nextImage); 3766 3767 load_addr = pExtImage->LoadStartAddress; 3768 3769 fwSize = (pExtImage->ImageSize + 3) >> 2; 3770 ptrFw = (u32 *)pExtImage; 3771 3772 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write Ext Image: 0x%x (%d) bytes @ %p load_addr=%x\n", 3773 ioc->name, fwSize*4, fwSize*4, ptrFw, load_addr)); 3774 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, load_addr); 3775 3776 while (fwSize--) { 3777 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++); 3778 } 3779 nextImage = pExtImage->NextImageHeaderOffset; 3780 } 3781 3782 /* Write the IopResetVectorRegAddr */ 3783 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Addr=%x! \n", ioc->name, pFwHeader->IopResetRegAddr)); 3784 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->IopResetRegAddr); 3785 3786 /* Write the IopResetVectorValue */ 3787 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Value=%x! \n", ioc->name, pFwHeader->IopResetVectorValue)); 3788 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, pFwHeader->IopResetVectorValue); 3789 3790 /* Clear the internal flash bad bit - autoincrementing register, 3791 * so must do two writes. 3792 */ 3793 if (ioc->bus_type == SPI) { 3794 /* 3795 * 1030 and 1035 H/W errata, workaround to access 3796 * the ClearFlashBadSignatureBit 3797 */ 3798 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000); 3799 diagRwData = CHIPREG_PIO_READ32(&ioc->pio_chip->DiagRwData); 3800 diagRwData |= 0x40000000; 3801 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000); 3802 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, diagRwData); 3803 3804 } else /* if((ioc->bus_type == SAS) || (ioc->bus_type == FC)) */ { 3805 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 3806 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | 3807 MPI_DIAG_CLEAR_FLASH_BAD_SIG); 3808 3809 /* wait 1 msec */ 3810 if (sleepFlag == CAN_SLEEP) { 3811 msleep (1); 3812 } else { 3813 mdelay (1); 3814 } 3815 } 3816 3817 if (ioc->errata_flag_1064) 3818 pci_disable_io_access(ioc->pcidev); 3819 3820 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 3821 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot diag0val=%x, " 3822 "turning off PREVENT_IOC_BOOT, DISABLE_ARM, RW_ENABLE\n", 3823 ioc->name, diag0val)); 3824 diag0val &= ~(MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM | MPI_DIAG_RW_ENABLE); 3825 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot now diag0val=%x\n", 3826 ioc->name, diag0val)); 3827 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val); 3828 3829 /* Write 0xFF to reset the sequencer */ 3830 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); 3831 3832 if (ioc->bus_type == SAS) { 3833 ioc_state = mpt_GetIocState(ioc, 0); 3834 if ( (GetIocFacts(ioc, sleepFlag, 3835 MPT_HOSTEVENT_IOC_BRINGUP)) != 0 ) { 3836 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "GetIocFacts failed: IocState=%x\n", 3837 ioc->name, ioc_state)); 3838 return -EFAULT; 3839 } 3840 } 3841 3842 for (count=0; count<HZ*20; count++) { 3843 if ((ioc_state = mpt_GetIocState(ioc, 0)) & MPI_IOC_STATE_READY) { 3844 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3845 "downloadboot successful! (count=%d) IocState=%x\n", 3846 ioc->name, count, ioc_state)); 3847 if (ioc->bus_type == SAS) { 3848 return 0; 3849 } 3850 if ((SendIocInit(ioc, sleepFlag)) != 0) { 3851 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3852 "downloadboot: SendIocInit failed\n", 3853 ioc->name)); 3854 return -EFAULT; 3855 } 3856 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3857 "downloadboot: SendIocInit successful\n", 3858 ioc->name)); 3859 return 0; 3860 } 3861 if (sleepFlag == CAN_SLEEP) { 3862 msleep (10); 3863 } else { 3864 mdelay (10); 3865 } 3866 } 3867 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3868 "downloadboot failed! IocState=%x\n",ioc->name, ioc_state)); 3869 return -EFAULT; 3870 } 3871 3872 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3873 /** 3874 * KickStart - Perform hard reset of MPT adapter. 3875 * @ioc: Pointer to MPT_ADAPTER structure 3876 * @force: Force hard reset 3877 * @sleepFlag: Specifies whether the process can sleep 3878 * 3879 * This routine places MPT adapter in diagnostic mode via the 3880 * WriteSequence register, and then performs a hard reset of adapter 3881 * via the Diagnostic register. 3882 * 3883 * Inputs: sleepflag - CAN_SLEEP (non-interrupt thread) 3884 * or NO_SLEEP (interrupt thread, use mdelay) 3885 * force - 1 if doorbell active, board fault state 3886 * board operational, IOC_RECOVERY or 3887 * IOC_BRINGUP and there is an alt_ioc. 3888 * 0 else 3889 * 3890 * Returns: 3891 * 1 - hard reset, READY 3892 * 0 - no reset due to History bit, READY 3893 * -1 - no reset due to History bit but not READY 3894 * OR reset but failed to come READY 3895 * -2 - no reset, could not enter DIAG mode 3896 * -3 - reset but bad FW bit 3897 */ 3898 static int 3899 KickStart(MPT_ADAPTER *ioc, int force, int sleepFlag) 3900 { 3901 int hard_reset_done = 0; 3902 u32 ioc_state=0; 3903 int cnt,cntdn; 3904 3905 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStarting!\n", ioc->name)); 3906 if (ioc->bus_type == SPI) { 3907 /* Always issue a Msg Unit Reset first. This will clear some 3908 * SCSI bus hang conditions. 3909 */ 3910 SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag); 3911 3912 if (sleepFlag == CAN_SLEEP) { 3913 msleep (1000); 3914 } else { 3915 mdelay (1000); 3916 } 3917 } 3918 3919 hard_reset_done = mpt_diag_reset(ioc, force, sleepFlag); 3920 if (hard_reset_done < 0) 3921 return hard_reset_done; 3922 3923 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset successful!\n", 3924 ioc->name)); 3925 3926 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 2; /* 2 seconds */ 3927 for (cnt=0; cnt<cntdn; cnt++) { 3928 ioc_state = mpt_GetIocState(ioc, 1); 3929 if ((ioc_state == MPI_IOC_STATE_READY) || (ioc_state == MPI_IOC_STATE_OPERATIONAL)) { 3930 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStart successful! (cnt=%d)\n", 3931 ioc->name, cnt)); 3932 return hard_reset_done; 3933 } 3934 if (sleepFlag == CAN_SLEEP) { 3935 msleep (10); 3936 } else { 3937 mdelay (10); 3938 } 3939 } 3940 3941 dinitprintk(ioc, printk(MYIOC_s_ERR_FMT "Failed to come READY after reset! IocState=%x\n", 3942 ioc->name, mpt_GetIocState(ioc, 0))); 3943 return -1; 3944 } 3945 3946 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3947 /** 3948 * mpt_diag_reset - Perform hard reset of the adapter. 3949 * @ioc: Pointer to MPT_ADAPTER structure 3950 * @ignore: Set if to honor and clear to ignore 3951 * the reset history bit 3952 * @sleepFlag: CAN_SLEEP if called in a non-interrupt thread, 3953 * else set to NO_SLEEP (use mdelay instead) 3954 * 3955 * This routine places the adapter in diagnostic mode via the 3956 * WriteSequence register and then performs a hard reset of adapter 3957 * via the Diagnostic register. Adapter should be in ready state 3958 * upon successful completion. 3959 * 3960 * Returns: 1 hard reset successful 3961 * 0 no reset performed because reset history bit set 3962 * -2 enabling diagnostic mode failed 3963 * -3 diagnostic reset failed 3964 */ 3965 static int 3966 mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag) 3967 { 3968 u32 diag0val; 3969 u32 doorbell; 3970 int hard_reset_done = 0; 3971 int count = 0; 3972 u32 diag1val = 0; 3973 MpiFwHeader_t *cached_fw; /* Pointer to FW */ 3974 u8 cb_idx; 3975 3976 /* Clear any existing interrupts */ 3977 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 3978 3979 if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) { 3980 3981 if (!ignore) 3982 return 0; 3983 3984 drsprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: Doorbell=%p; 1078 reset " 3985 "address=%p\n", ioc->name, __func__, 3986 &ioc->chip->Doorbell, &ioc->chip->Reset_1078)); 3987 CHIPREG_WRITE32(&ioc->chip->Reset_1078, 0x07); 3988 if (sleepFlag == CAN_SLEEP) 3989 msleep(1); 3990 else 3991 mdelay(1); 3992 3993 /* 3994 * Call each currently registered protocol IOC reset handler 3995 * with pre-reset indication. 3996 * NOTE: If we're doing _IOC_BRINGUP, there can be no 3997 * MptResetHandlers[] registered yet. 3998 */ 3999 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 4000 if (MptResetHandlers[cb_idx]) 4001 (*(MptResetHandlers[cb_idx]))(ioc, 4002 MPT_IOC_PRE_RESET); 4003 } 4004 4005 for (count = 0; count < 60; count ++) { 4006 doorbell = CHIPREG_READ32(&ioc->chip->Doorbell); 4007 doorbell &= MPI_IOC_STATE_MASK; 4008 4009 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4010 "looking for READY STATE: doorbell=%x" 4011 " count=%d\n", 4012 ioc->name, doorbell, count)); 4013 4014 if (doorbell == MPI_IOC_STATE_READY) { 4015 return 1; 4016 } 4017 4018 /* wait 1 sec */ 4019 if (sleepFlag == CAN_SLEEP) 4020 msleep(1000); 4021 else 4022 mdelay(1000); 4023 } 4024 return -1; 4025 } 4026 4027 /* Use "Diagnostic reset" method! (only thing available!) */ 4028 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4029 4030 if (ioc->debug_level & MPT_DEBUG) { 4031 if (ioc->alt_ioc) 4032 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic); 4033 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG1: diag0=%08x, diag1=%08x\n", 4034 ioc->name, diag0val, diag1val)); 4035 } 4036 4037 /* Do the reset if we are told to ignore the reset history 4038 * or if the reset history is 0 4039 */ 4040 if (ignore || !(diag0val & MPI_DIAG_RESET_HISTORY)) { 4041 while ((diag0val & MPI_DIAG_DRWE) == 0) { 4042 /* Write magic sequence to WriteSequence register 4043 * Loop until in diagnostic mode 4044 */ 4045 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); 4046 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE); 4047 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE); 4048 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE); 4049 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE); 4050 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE); 4051 4052 /* wait 100 msec */ 4053 if (sleepFlag == CAN_SLEEP) { 4054 msleep (100); 4055 } else { 4056 mdelay (100); 4057 } 4058 4059 count++; 4060 if (count > 20) { 4061 printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n", 4062 ioc->name, diag0val); 4063 return -2; 4064 4065 } 4066 4067 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4068 4069 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wrote magic DiagWriteEn sequence (%x)\n", 4070 ioc->name, diag0val)); 4071 } 4072 4073 if (ioc->debug_level & MPT_DEBUG) { 4074 if (ioc->alt_ioc) 4075 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic); 4076 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG2: diag0=%08x, diag1=%08x\n", 4077 ioc->name, diag0val, diag1val)); 4078 } 4079 /* 4080 * Disable the ARM (Bug fix) 4081 * 4082 */ 4083 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_DISABLE_ARM); 4084 mdelay(1); 4085 4086 /* 4087 * Now hit the reset bit in the Diagnostic register 4088 * (THE BIG HAMMER!) (Clears DRWE bit). 4089 */ 4090 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER); 4091 hard_reset_done = 1; 4092 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset performed\n", 4093 ioc->name)); 4094 4095 /* 4096 * Call each currently registered protocol IOC reset handler 4097 * with pre-reset indication. 4098 * NOTE: If we're doing _IOC_BRINGUP, there can be no 4099 * MptResetHandlers[] registered yet. 4100 */ 4101 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 4102 if (MptResetHandlers[cb_idx]) { 4103 mpt_signal_reset(cb_idx, 4104 ioc, MPT_IOC_PRE_RESET); 4105 if (ioc->alt_ioc) { 4106 mpt_signal_reset(cb_idx, 4107 ioc->alt_ioc, MPT_IOC_PRE_RESET); 4108 } 4109 } 4110 } 4111 4112 if (ioc->cached_fw) 4113 cached_fw = (MpiFwHeader_t *)ioc->cached_fw; 4114 else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) 4115 cached_fw = (MpiFwHeader_t *)ioc->alt_ioc->cached_fw; 4116 else 4117 cached_fw = NULL; 4118 if (cached_fw) { 4119 /* If the DownloadBoot operation fails, the 4120 * IOC will be left unusable. This is a fatal error 4121 * case. _diag_reset will return < 0 4122 */ 4123 for (count = 0; count < 30; count ++) { 4124 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4125 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) { 4126 break; 4127 } 4128 4129 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "cached_fw: diag0val=%x count=%d\n", 4130 ioc->name, diag0val, count)); 4131 /* wait 1 sec */ 4132 if (sleepFlag == CAN_SLEEP) { 4133 msleep (1000); 4134 } else { 4135 mdelay (1000); 4136 } 4137 } 4138 if ((count = mpt_downloadboot(ioc, cached_fw, sleepFlag)) < 0) { 4139 printk(MYIOC_s_WARN_FMT 4140 "firmware downloadboot failure (%d)!\n", ioc->name, count); 4141 } 4142 4143 } else { 4144 /* Wait for FW to reload and for board 4145 * to go to the READY state. 4146 * Maximum wait is 60 seconds. 4147 * If fail, no error will check again 4148 * with calling program. 4149 */ 4150 for (count = 0; count < 60; count ++) { 4151 doorbell = CHIPREG_READ32(&ioc->chip->Doorbell); 4152 doorbell &= MPI_IOC_STATE_MASK; 4153 4154 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4155 "looking for READY STATE: doorbell=%x" 4156 " count=%d\n", ioc->name, doorbell, count)); 4157 4158 if (doorbell == MPI_IOC_STATE_READY) { 4159 break; 4160 } 4161 4162 /* wait 1 sec */ 4163 if (sleepFlag == CAN_SLEEP) { 4164 msleep (1000); 4165 } else { 4166 mdelay (1000); 4167 } 4168 } 4169 4170 if (doorbell != MPI_IOC_STATE_READY) 4171 printk(MYIOC_s_ERR_FMT "Failed to come READY " 4172 "after reset! IocState=%x", ioc->name, 4173 doorbell); 4174 } 4175 } 4176 4177 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4178 if (ioc->debug_level & MPT_DEBUG) { 4179 if (ioc->alt_ioc) 4180 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic); 4181 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG3: diag0=%08x, diag1=%08x\n", 4182 ioc->name, diag0val, diag1val)); 4183 } 4184 4185 /* Clear RESET_HISTORY bit! Place board in the 4186 * diagnostic mode to update the diag register. 4187 */ 4188 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4189 count = 0; 4190 while ((diag0val & MPI_DIAG_DRWE) == 0) { 4191 /* Write magic sequence to WriteSequence register 4192 * Loop until in diagnostic mode 4193 */ 4194 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); 4195 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE); 4196 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE); 4197 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE); 4198 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE); 4199 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE); 4200 4201 /* wait 100 msec */ 4202 if (sleepFlag == CAN_SLEEP) { 4203 msleep (100); 4204 } else { 4205 mdelay (100); 4206 } 4207 4208 count++; 4209 if (count > 20) { 4210 printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n", 4211 ioc->name, diag0val); 4212 break; 4213 } 4214 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4215 } 4216 diag0val &= ~MPI_DIAG_RESET_HISTORY; 4217 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val); 4218 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4219 if (diag0val & MPI_DIAG_RESET_HISTORY) { 4220 printk(MYIOC_s_WARN_FMT "ResetHistory bit failed to clear!\n", 4221 ioc->name); 4222 } 4223 4224 /* Disable Diagnostic Mode 4225 */ 4226 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFFFFFFFF); 4227 4228 /* Check FW reload status flags. 4229 */ 4230 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4231 if (diag0val & (MPI_DIAG_FLASH_BAD_SIG | MPI_DIAG_RESET_ADAPTER | MPI_DIAG_DISABLE_ARM)) { 4232 printk(MYIOC_s_ERR_FMT "Diagnostic reset FAILED! (%02xh)\n", 4233 ioc->name, diag0val); 4234 return -3; 4235 } 4236 4237 if (ioc->debug_level & MPT_DEBUG) { 4238 if (ioc->alt_ioc) 4239 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic); 4240 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG4: diag0=%08x, diag1=%08x\n", 4241 ioc->name, diag0val, diag1val)); 4242 } 4243 4244 /* 4245 * Reset flag that says we've enabled event notification 4246 */ 4247 ioc->facts.EventState = 0; 4248 4249 if (ioc->alt_ioc) 4250 ioc->alt_ioc->facts.EventState = 0; 4251 4252 return hard_reset_done; 4253 } 4254 4255 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4256 /** 4257 * SendIocReset - Send IOCReset request to MPT adapter. 4258 * @ioc: Pointer to MPT_ADAPTER structure 4259 * @reset_type: reset type, expected values are 4260 * %MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET or %MPI_FUNCTION_IO_UNIT_RESET 4261 * @sleepFlag: Specifies whether the process can sleep 4262 * 4263 * Send IOCReset request to the MPT adapter. 4264 * 4265 * Returns 0 for success, non-zero for failure. 4266 */ 4267 static int 4268 SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag) 4269 { 4270 int r; 4271 u32 state; 4272 int cntdn, count; 4273 4274 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOC reset(0x%02x)!\n", 4275 ioc->name, reset_type)); 4276 CHIPREG_WRITE32(&ioc->chip->Doorbell, reset_type<<MPI_DOORBELL_FUNCTION_SHIFT); 4277 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) 4278 return r; 4279 4280 /* FW ACK'd request, wait for READY state 4281 */ 4282 count = 0; 4283 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 15; /* 15 seconds */ 4284 4285 while ((state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) { 4286 cntdn--; 4287 count++; 4288 if (!cntdn) { 4289 if (sleepFlag != CAN_SLEEP) 4290 count *= 10; 4291 4292 printk(MYIOC_s_ERR_FMT 4293 "Wait IOC_READY state (0x%x) timeout(%d)!\n", 4294 ioc->name, state, (int)((count+5)/HZ)); 4295 return -ETIME; 4296 } 4297 4298 if (sleepFlag == CAN_SLEEP) { 4299 msleep(1); 4300 } else { 4301 mdelay (1); /* 1 msec delay */ 4302 } 4303 } 4304 4305 /* TODO! 4306 * Cleanup all event stuff for this IOC; re-issue EventNotification 4307 * request if needed. 4308 */ 4309 if (ioc->facts.Function) 4310 ioc->facts.EventState = 0; 4311 4312 return 0; 4313 } 4314 4315 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4316 /** 4317 * initChainBuffers - Allocate memory for and initialize chain buffers 4318 * @ioc: Pointer to MPT_ADAPTER structure 4319 * 4320 * Allocates memory for and initializes chain buffers, 4321 * chain buffer control arrays and spinlock. 4322 */ 4323 static int 4324 initChainBuffers(MPT_ADAPTER *ioc) 4325 { 4326 u8 *mem; 4327 int sz, ii, num_chain; 4328 int scale, num_sge, numSGE; 4329 4330 /* ReqToChain size must equal the req_depth 4331 * index = req_idx 4332 */ 4333 if (ioc->ReqToChain == NULL) { 4334 sz = ioc->req_depth * sizeof(int); 4335 mem = kmalloc(sz, GFP_ATOMIC); 4336 if (mem == NULL) 4337 return -1; 4338 4339 ioc->ReqToChain = (int *) mem; 4340 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReqToChain alloc @ %p, sz=%d bytes\n", 4341 ioc->name, mem, sz)); 4342 mem = kmalloc(sz, GFP_ATOMIC); 4343 if (mem == NULL) 4344 return -1; 4345 4346 ioc->RequestNB = (int *) mem; 4347 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestNB alloc @ %p, sz=%d bytes\n", 4348 ioc->name, mem, sz)); 4349 } 4350 for (ii = 0; ii < ioc->req_depth; ii++) { 4351 ioc->ReqToChain[ii] = MPT_HOST_NO_CHAIN; 4352 } 4353 4354 /* ChainToChain size must equal the total number 4355 * of chain buffers to be allocated. 4356 * index = chain_idx 4357 * 4358 * Calculate the number of chain buffers needed(plus 1) per I/O 4359 * then multiply the maximum number of simultaneous cmds 4360 * 4361 * num_sge = num sge in request frame + last chain buffer 4362 * scale = num sge per chain buffer if no chain element 4363 */ 4364 scale = ioc->req_sz / ioc->SGE_size; 4365 if (ioc->sg_addr_size == sizeof(u64)) 4366 num_sge = scale + (ioc->req_sz - 60) / ioc->SGE_size; 4367 else 4368 num_sge = 1 + scale + (ioc->req_sz - 64) / ioc->SGE_size; 4369 4370 if (ioc->sg_addr_size == sizeof(u64)) { 4371 numSGE = (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale + 4372 (ioc->req_sz - 60) / ioc->SGE_size; 4373 } else { 4374 numSGE = 1 + (scale - 1) * (ioc->facts.MaxChainDepth-1) + 4375 scale + (ioc->req_sz - 64) / ioc->SGE_size; 4376 } 4377 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "num_sge=%d numSGE=%d\n", 4378 ioc->name, num_sge, numSGE)); 4379 4380 if (ioc->bus_type == FC) { 4381 if (numSGE > MPT_SCSI_FC_SG_DEPTH) 4382 numSGE = MPT_SCSI_FC_SG_DEPTH; 4383 } else { 4384 if (numSGE > MPT_SCSI_SG_DEPTH) 4385 numSGE = MPT_SCSI_SG_DEPTH; 4386 } 4387 4388 num_chain = 1; 4389 while (numSGE - num_sge > 0) { 4390 num_chain++; 4391 num_sge += (scale - 1); 4392 } 4393 num_chain++; 4394 4395 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Now numSGE=%d num_sge=%d num_chain=%d\n", 4396 ioc->name, numSGE, num_sge, num_chain)); 4397 4398 if (ioc->bus_type == SPI) 4399 num_chain *= MPT_SCSI_CAN_QUEUE; 4400 else if (ioc->bus_type == SAS) 4401 num_chain *= MPT_SAS_CAN_QUEUE; 4402 else 4403 num_chain *= MPT_FC_CAN_QUEUE; 4404 4405 ioc->num_chain = num_chain; 4406 4407 sz = num_chain * sizeof(int); 4408 if (ioc->ChainToChain == NULL) { 4409 mem = kmalloc(sz, GFP_ATOMIC); 4410 if (mem == NULL) 4411 return -1; 4412 4413 ioc->ChainToChain = (int *) mem; 4414 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainToChain alloc @ %p, sz=%d bytes\n", 4415 ioc->name, mem, sz)); 4416 } else { 4417 mem = (u8 *) ioc->ChainToChain; 4418 } 4419 memset(mem, 0xFF, sz); 4420 return num_chain; 4421 } 4422 4423 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4424 /** 4425 * PrimeIocFifos - Initialize IOC request and reply FIFOs. 4426 * @ioc: Pointer to MPT_ADAPTER structure 4427 * 4428 * This routine allocates memory for the MPT reply and request frame 4429 * pools (if necessary), and primes the IOC reply FIFO with 4430 * reply frames. 4431 * 4432 * Returns 0 for success, non-zero for failure. 4433 */ 4434 static int 4435 PrimeIocFifos(MPT_ADAPTER *ioc) 4436 { 4437 MPT_FRAME_HDR *mf; 4438 unsigned long flags; 4439 dma_addr_t alloc_dma; 4440 u8 *mem; 4441 int i, reply_sz, sz, total_size, num_chain; 4442 u64 dma_mask; 4443 4444 dma_mask = 0; 4445 4446 /* Prime reply FIFO... */ 4447 4448 if (ioc->reply_frames == NULL) { 4449 if ( (num_chain = initChainBuffers(ioc)) < 0) 4450 return -1; 4451 /* 4452 * 1078 errata workaround for the 36GB limitation 4453 */ 4454 if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078 && 4455 ioc->dma_mask > DMA_BIT_MASK(35)) { 4456 if (!pci_set_dma_mask(ioc->pcidev, DMA_BIT_MASK(32)) 4457 && !pci_set_consistent_dma_mask(ioc->pcidev, 4458 DMA_BIT_MASK(32))) { 4459 dma_mask = DMA_BIT_MASK(35); 4460 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4461 "setting 35 bit addressing for " 4462 "Request/Reply/Chain and Sense Buffers\n", 4463 ioc->name)); 4464 } else { 4465 /*Reseting DMA mask to 64 bit*/ 4466 pci_set_dma_mask(ioc->pcidev, 4467 DMA_BIT_MASK(64)); 4468 pci_set_consistent_dma_mask(ioc->pcidev, 4469 DMA_BIT_MASK(64)); 4470 4471 printk(MYIOC_s_ERR_FMT 4472 "failed setting 35 bit addressing for " 4473 "Request/Reply/Chain and Sense Buffers\n", 4474 ioc->name); 4475 return -1; 4476 } 4477 } 4478 4479 total_size = reply_sz = (ioc->reply_sz * ioc->reply_depth); 4480 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d bytes, ReplyDepth=%d\n", 4481 ioc->name, ioc->reply_sz, ioc->reply_depth)); 4482 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d[%x] bytes\n", 4483 ioc->name, reply_sz, reply_sz)); 4484 4485 sz = (ioc->req_sz * ioc->req_depth); 4486 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d bytes, RequestDepth=%d\n", 4487 ioc->name, ioc->req_sz, ioc->req_depth)); 4488 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d[%x] bytes\n", 4489 ioc->name, sz, sz)); 4490 total_size += sz; 4491 4492 sz = num_chain * ioc->req_sz; /* chain buffer pool size */ 4493 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d bytes, ChainDepth=%d\n", 4494 ioc->name, ioc->req_sz, num_chain)); 4495 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d[%x] bytes num_chain=%d\n", 4496 ioc->name, sz, sz, num_chain)); 4497 4498 total_size += sz; 4499 mem = dma_alloc_coherent(&ioc->pcidev->dev, total_size, 4500 &alloc_dma, GFP_KERNEL); 4501 if (mem == NULL) { 4502 printk(MYIOC_s_ERR_FMT "Unable to allocate Reply, Request, Chain Buffers!\n", 4503 ioc->name); 4504 goto out_fail; 4505 } 4506 4507 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Total alloc @ %p[%p], sz=%d[%x] bytes\n", 4508 ioc->name, mem, (void *)(ulong)alloc_dma, total_size, total_size)); 4509 4510 memset(mem, 0, total_size); 4511 ioc->alloc_total += total_size; 4512 ioc->alloc = mem; 4513 ioc->alloc_dma = alloc_dma; 4514 ioc->alloc_sz = total_size; 4515 ioc->reply_frames = (MPT_FRAME_HDR *) mem; 4516 ioc->reply_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF); 4517 4518 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n", 4519 ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma)); 4520 4521 alloc_dma += reply_sz; 4522 mem += reply_sz; 4523 4524 /* Request FIFO - WE manage this! */ 4525 4526 ioc->req_frames = (MPT_FRAME_HDR *) mem; 4527 ioc->req_frames_dma = alloc_dma; 4528 4529 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffers @ %p[%p]\n", 4530 ioc->name, mem, (void *)(ulong)alloc_dma)); 4531 4532 ioc->req_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF); 4533 4534 for (i = 0; i < ioc->req_depth; i++) { 4535 alloc_dma += ioc->req_sz; 4536 mem += ioc->req_sz; 4537 } 4538 4539 ioc->ChainBuffer = mem; 4540 ioc->ChainBufferDMA = alloc_dma; 4541 4542 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffers @ %p(%p)\n", 4543 ioc->name, ioc->ChainBuffer, (void *)(ulong)ioc->ChainBufferDMA)); 4544 4545 /* Initialize the free chain Q. 4546 */ 4547 4548 INIT_LIST_HEAD(&ioc->FreeChainQ); 4549 4550 /* Post the chain buffers to the FreeChainQ. 4551 */ 4552 mem = (u8 *)ioc->ChainBuffer; 4553 for (i=0; i < num_chain; i++) { 4554 mf = (MPT_FRAME_HDR *) mem; 4555 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeChainQ); 4556 mem += ioc->req_sz; 4557 } 4558 4559 /* Initialize Request frames linked list 4560 */ 4561 alloc_dma = ioc->req_frames_dma; 4562 mem = (u8 *) ioc->req_frames; 4563 4564 spin_lock_irqsave(&ioc->FreeQlock, flags); 4565 INIT_LIST_HEAD(&ioc->FreeQ); 4566 for (i = 0; i < ioc->req_depth; i++) { 4567 mf = (MPT_FRAME_HDR *) mem; 4568 4569 /* Queue REQUESTs *internally*! */ 4570 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ); 4571 4572 mem += ioc->req_sz; 4573 } 4574 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 4575 4576 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC); 4577 ioc->sense_buf_pool = dma_alloc_coherent(&ioc->pcidev->dev, sz, 4578 &ioc->sense_buf_pool_dma, GFP_KERNEL); 4579 if (ioc->sense_buf_pool == NULL) { 4580 printk(MYIOC_s_ERR_FMT "Unable to allocate Sense Buffers!\n", 4581 ioc->name); 4582 goto out_fail; 4583 } 4584 4585 ioc->sense_buf_low_dma = (u32) (ioc->sense_buf_pool_dma & 0xFFFFFFFF); 4586 ioc->alloc_total += sz; 4587 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SenseBuffers @ %p[%p]\n", 4588 ioc->name, ioc->sense_buf_pool, (void *)(ulong)ioc->sense_buf_pool_dma)); 4589 4590 } 4591 4592 /* Post Reply frames to FIFO 4593 */ 4594 alloc_dma = ioc->alloc_dma; 4595 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n", 4596 ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma)); 4597 4598 for (i = 0; i < ioc->reply_depth; i++) { 4599 /* Write each address to the IOC! */ 4600 CHIPREG_WRITE32(&ioc->chip->ReplyFifo, alloc_dma); 4601 alloc_dma += ioc->reply_sz; 4602 } 4603 4604 if (dma_mask == DMA_BIT_MASK(35) && !pci_set_dma_mask(ioc->pcidev, 4605 ioc->dma_mask) && !pci_set_consistent_dma_mask(ioc->pcidev, 4606 ioc->dma_mask)) 4607 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4608 "restoring 64 bit addressing\n", ioc->name)); 4609 4610 return 0; 4611 4612 out_fail: 4613 4614 if (ioc->alloc != NULL) { 4615 sz = ioc->alloc_sz; 4616 dma_free_coherent(&ioc->pcidev->dev, sz, ioc->alloc, 4617 ioc->alloc_dma); 4618 ioc->reply_frames = NULL; 4619 ioc->req_frames = NULL; 4620 ioc->alloc_total -= sz; 4621 } 4622 if (ioc->sense_buf_pool != NULL) { 4623 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC); 4624 dma_free_coherent(&ioc->pcidev->dev, sz, ioc->sense_buf_pool, 4625 ioc->sense_buf_pool_dma); 4626 ioc->sense_buf_pool = NULL; 4627 } 4628 4629 if (dma_mask == DMA_BIT_MASK(35) && !pci_set_dma_mask(ioc->pcidev, 4630 DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(ioc->pcidev, 4631 DMA_BIT_MASK(64))) 4632 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4633 "restoring 64 bit addressing\n", ioc->name)); 4634 4635 return -1; 4636 } 4637 4638 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4639 /** 4640 * mpt_handshake_req_reply_wait - Send MPT request to and receive reply 4641 * from IOC via doorbell handshake method. 4642 * @ioc: Pointer to MPT_ADAPTER structure 4643 * @reqBytes: Size of the request in bytes 4644 * @req: Pointer to MPT request frame 4645 * @replyBytes: Expected size of the reply in bytes 4646 * @u16reply: Pointer to area where reply should be written 4647 * @maxwait: Max wait time for a reply (in seconds) 4648 * @sleepFlag: Specifies whether the process can sleep 4649 * 4650 * NOTES: It is the callers responsibility to byte-swap fields in the 4651 * request which are greater than 1 byte in size. It is also the 4652 * callers responsibility to byte-swap response fields which are 4653 * greater than 1 byte in size. 4654 * 4655 * Returns 0 for success, non-zero for failure. 4656 */ 4657 static int 4658 mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req, 4659 int replyBytes, u16 *u16reply, int maxwait, int sleepFlag) 4660 { 4661 MPIDefaultReply_t *mptReply; 4662 int failcnt = 0; 4663 int t; 4664 4665 /* 4666 * Get ready to cache a handshake reply 4667 */ 4668 ioc->hs_reply_idx = 0; 4669 mptReply = (MPIDefaultReply_t *) ioc->hs_reply; 4670 mptReply->MsgLength = 0; 4671 4672 /* 4673 * Make sure there are no doorbells (WRITE 0 to IntStatus reg), 4674 * then tell IOC that we want to handshake a request of N words. 4675 * (WRITE u32val to Doorbell reg). 4676 */ 4677 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 4678 CHIPREG_WRITE32(&ioc->chip->Doorbell, 4679 ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) | 4680 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT))); 4681 4682 /* 4683 * Wait for IOC's doorbell handshake int 4684 */ 4685 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) 4686 failcnt++; 4687 4688 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request start reqBytes=%d, WaitCnt=%d%s\n", 4689 ioc->name, reqBytes, t, failcnt ? " - MISSING DOORBELL HANDSHAKE!" : "")); 4690 4691 /* Read doorbell and check for active bit */ 4692 if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE)) 4693 return -1; 4694 4695 /* 4696 * Clear doorbell int (WRITE 0 to IntStatus reg), 4697 * then wait for IOC to ACKnowledge that it's ready for 4698 * our handshake request. 4699 */ 4700 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 4701 if (!failcnt && (t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) 4702 failcnt++; 4703 4704 if (!failcnt) { 4705 int ii; 4706 u8 *req_as_bytes = (u8 *) req; 4707 4708 /* 4709 * Stuff request words via doorbell handshake, 4710 * with ACK from IOC for each. 4711 */ 4712 for (ii = 0; !failcnt && ii < reqBytes/4; ii++) { 4713 u32 word = ((req_as_bytes[(ii*4) + 0] << 0) | 4714 (req_as_bytes[(ii*4) + 1] << 8) | 4715 (req_as_bytes[(ii*4) + 2] << 16) | 4716 (req_as_bytes[(ii*4) + 3] << 24)); 4717 4718 CHIPREG_WRITE32(&ioc->chip->Doorbell, word); 4719 if ((t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) 4720 failcnt++; 4721 } 4722 4723 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handshake request frame (@%p) header\n", ioc->name, req)); 4724 DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)req); 4725 4726 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request post done, WaitCnt=%d%s\n", 4727 ioc->name, t, failcnt ? " - MISSING DOORBELL ACK!" : "")); 4728 4729 /* 4730 * Wait for completion of doorbell handshake reply from the IOC 4731 */ 4732 if (!failcnt && (t = WaitForDoorbellReply(ioc, maxwait, sleepFlag)) < 0) 4733 failcnt++; 4734 4735 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake reply count=%d%s\n", 4736 ioc->name, t, failcnt ? " - MISSING DOORBELL REPLY!" : "")); 4737 4738 /* 4739 * Copy out the cached reply... 4740 */ 4741 for (ii=0; ii < min(replyBytes/2,mptReply->MsgLength*2); ii++) 4742 u16reply[ii] = ioc->hs_reply[ii]; 4743 } else { 4744 return -99; 4745 } 4746 4747 return -failcnt; 4748 } 4749 4750 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4751 /** 4752 * WaitForDoorbellAck - Wait for IOC doorbell handshake acknowledge 4753 * @ioc: Pointer to MPT_ADAPTER structure 4754 * @howlong: How long to wait (in seconds) 4755 * @sleepFlag: Specifies whether the process can sleep 4756 * 4757 * This routine waits (up to ~2 seconds max) for IOC doorbell 4758 * handshake ACKnowledge, indicated by the IOP_DOORBELL_STATUS 4759 * bit in its IntStatus register being clear. 4760 * 4761 * Returns a negative value on failure, else wait loop count. 4762 */ 4763 static int 4764 WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag) 4765 { 4766 int cntdn; 4767 int count = 0; 4768 u32 intstat=0; 4769 4770 cntdn = 1000 * howlong; 4771 4772 if (sleepFlag == CAN_SLEEP) { 4773 while (--cntdn) { 4774 msleep (1); 4775 intstat = CHIPREG_READ32(&ioc->chip->IntStatus); 4776 if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS)) 4777 break; 4778 count++; 4779 } 4780 } else { 4781 while (--cntdn) { 4782 udelay (1000); 4783 intstat = CHIPREG_READ32(&ioc->chip->IntStatus); 4784 if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS)) 4785 break; 4786 count++; 4787 } 4788 } 4789 4790 if (cntdn) { 4791 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell ACK (count=%d)\n", 4792 ioc->name, count)); 4793 return count; 4794 } 4795 4796 printk(MYIOC_s_ERR_FMT "Doorbell ACK timeout (count=%d), IntStatus=%x!\n", 4797 ioc->name, count, intstat); 4798 return -1; 4799 } 4800 4801 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4802 /** 4803 * WaitForDoorbellInt - Wait for IOC to set its doorbell interrupt bit 4804 * @ioc: Pointer to MPT_ADAPTER structure 4805 * @howlong: How long to wait (in seconds) 4806 * @sleepFlag: Specifies whether the process can sleep 4807 * 4808 * This routine waits (up to ~2 seconds max) for IOC doorbell interrupt 4809 * (MPI_HIS_DOORBELL_INTERRUPT) to be set in the IntStatus register. 4810 * 4811 * Returns a negative value on failure, else wait loop count. 4812 */ 4813 static int 4814 WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag) 4815 { 4816 int cntdn; 4817 int count = 0; 4818 u32 intstat=0; 4819 4820 cntdn = 1000 * howlong; 4821 if (sleepFlag == CAN_SLEEP) { 4822 while (--cntdn) { 4823 intstat = CHIPREG_READ32(&ioc->chip->IntStatus); 4824 if (intstat & MPI_HIS_DOORBELL_INTERRUPT) 4825 break; 4826 msleep(1); 4827 count++; 4828 } 4829 } else { 4830 while (--cntdn) { 4831 intstat = CHIPREG_READ32(&ioc->chip->IntStatus); 4832 if (intstat & MPI_HIS_DOORBELL_INTERRUPT) 4833 break; 4834 udelay (1000); 4835 count++; 4836 } 4837 } 4838 4839 if (cntdn) { 4840 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell INT (cnt=%d) howlong=%d\n", 4841 ioc->name, count, howlong)); 4842 return count; 4843 } 4844 4845 printk(MYIOC_s_ERR_FMT "Doorbell INT timeout (count=%d), IntStatus=%x!\n", 4846 ioc->name, count, intstat); 4847 return -1; 4848 } 4849 4850 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4851 /** 4852 * WaitForDoorbellReply - Wait for and capture an IOC handshake reply. 4853 * @ioc: Pointer to MPT_ADAPTER structure 4854 * @howlong: How long to wait (in seconds) 4855 * @sleepFlag: Specifies whether the process can sleep 4856 * 4857 * This routine polls the IOC for a handshake reply, 16 bits at a time. 4858 * Reply is cached to IOC private area large enough to hold a maximum 4859 * of 128 bytes of reply data. 4860 * 4861 * Returns a negative value on failure, else size of reply in WORDS. 4862 */ 4863 static int 4864 WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag) 4865 { 4866 int u16cnt = 0; 4867 int failcnt = 0; 4868 int t; 4869 u16 *hs_reply = ioc->hs_reply; 4870 volatile MPIDefaultReply_t *mptReply = (MPIDefaultReply_t *) ioc->hs_reply; 4871 u16 hword; 4872 4873 hs_reply[0] = hs_reply[1] = hs_reply[7] = 0; 4874 4875 /* 4876 * Get first two u16's so we can look at IOC's intended reply MsgLength 4877 */ 4878 u16cnt=0; 4879 if ((t = WaitForDoorbellInt(ioc, howlong, sleepFlag)) < 0) { 4880 failcnt++; 4881 } else { 4882 hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF); 4883 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 4884 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) 4885 failcnt++; 4886 else { 4887 hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF); 4888 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 4889 } 4890 } 4891 4892 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitCnt=%d First handshake reply word=%08x%s\n", 4893 ioc->name, t, le32_to_cpu(*(u32 *)hs_reply), 4894 failcnt ? " - MISSING DOORBELL HANDSHAKE!" : "")); 4895 4896 /* 4897 * If no error (and IOC said MsgLength is > 0), piece together 4898 * reply 16 bits at a time. 4899 */ 4900 for (u16cnt=2; !failcnt && u16cnt < (2 * mptReply->MsgLength); u16cnt++) { 4901 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) 4902 failcnt++; 4903 hword = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF); 4904 /* don't overflow our IOC hs_reply[] buffer! */ 4905 if (u16cnt < ARRAY_SIZE(ioc->hs_reply)) 4906 hs_reply[u16cnt] = hword; 4907 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 4908 } 4909 4910 if (!failcnt && (t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) 4911 failcnt++; 4912 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 4913 4914 if (failcnt) { 4915 printk(MYIOC_s_ERR_FMT "Handshake reply failure!\n", 4916 ioc->name); 4917 return -failcnt; 4918 } 4919 #if 0 4920 else if (u16cnt != (2 * mptReply->MsgLength)) { 4921 return -101; 4922 } 4923 else if ((mptReply->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 4924 return -102; 4925 } 4926 #endif 4927 4928 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got Handshake reply:\n", ioc->name)); 4929 DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mptReply); 4930 4931 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell REPLY WaitCnt=%d (sz=%d)\n", 4932 ioc->name, t, u16cnt/2)); 4933 return u16cnt/2; 4934 } 4935 4936 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4937 /** 4938 * GetLanConfigPages - Fetch LANConfig pages. 4939 * @ioc: Pointer to MPT_ADAPTER structure 4940 * 4941 * Return: 0 for success 4942 * -ENOMEM if no memory available 4943 * -EPERM if not allowed due to ISR context 4944 * -EAGAIN if no msg frames currently available 4945 * -EFAULT for non-successful reply or no reply (timeout) 4946 */ 4947 static int 4948 GetLanConfigPages(MPT_ADAPTER *ioc) 4949 { 4950 ConfigPageHeader_t hdr; 4951 CONFIGPARMS cfg; 4952 LANPage0_t *ppage0_alloc; 4953 dma_addr_t page0_dma; 4954 LANPage1_t *ppage1_alloc; 4955 dma_addr_t page1_dma; 4956 int rc = 0; 4957 int data_sz; 4958 int copy_sz; 4959 4960 /* Get LAN Page 0 header */ 4961 hdr.PageVersion = 0; 4962 hdr.PageLength = 0; 4963 hdr.PageNumber = 0; 4964 hdr.PageType = MPI_CONFIG_PAGETYPE_LAN; 4965 cfg.cfghdr.hdr = &hdr; 4966 cfg.physAddr = -1; 4967 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 4968 cfg.dir = 0; 4969 cfg.pageAddr = 0; 4970 cfg.timeout = 0; 4971 4972 if ((rc = mpt_config(ioc, &cfg)) != 0) 4973 return rc; 4974 4975 if (hdr.PageLength > 0) { 4976 data_sz = hdr.PageLength * 4; 4977 ppage0_alloc = (LANPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma); 4978 rc = -ENOMEM; 4979 if (ppage0_alloc) { 4980 memset((u8 *)ppage0_alloc, 0, data_sz); 4981 cfg.physAddr = page0_dma; 4982 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 4983 4984 if ((rc = mpt_config(ioc, &cfg)) == 0) { 4985 /* save the data */ 4986 copy_sz = min_t(int, sizeof(LANPage0_t), data_sz); 4987 memcpy(&ioc->lan_cnfg_page0, ppage0_alloc, copy_sz); 4988 4989 } 4990 4991 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma); 4992 4993 /* FIXME! 4994 * Normalize endianness of structure data, 4995 * by byte-swapping all > 1 byte fields! 4996 */ 4997 4998 } 4999 5000 if (rc) 5001 return rc; 5002 } 5003 5004 /* Get LAN Page 1 header */ 5005 hdr.PageVersion = 0; 5006 hdr.PageLength = 0; 5007 hdr.PageNumber = 1; 5008 hdr.PageType = MPI_CONFIG_PAGETYPE_LAN; 5009 cfg.cfghdr.hdr = &hdr; 5010 cfg.physAddr = -1; 5011 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5012 cfg.dir = 0; 5013 cfg.pageAddr = 0; 5014 5015 if ((rc = mpt_config(ioc, &cfg)) != 0) 5016 return rc; 5017 5018 if (hdr.PageLength == 0) 5019 return 0; 5020 5021 data_sz = hdr.PageLength * 4; 5022 rc = -ENOMEM; 5023 ppage1_alloc = (LANPage1_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page1_dma); 5024 if (ppage1_alloc) { 5025 memset((u8 *)ppage1_alloc, 0, data_sz); 5026 cfg.physAddr = page1_dma; 5027 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5028 5029 if ((rc = mpt_config(ioc, &cfg)) == 0) { 5030 /* save the data */ 5031 copy_sz = min_t(int, sizeof(LANPage1_t), data_sz); 5032 memcpy(&ioc->lan_cnfg_page1, ppage1_alloc, copy_sz); 5033 } 5034 5035 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage1_alloc, page1_dma); 5036 5037 /* FIXME! 5038 * Normalize endianness of structure data, 5039 * by byte-swapping all > 1 byte fields! 5040 */ 5041 5042 } 5043 5044 return rc; 5045 } 5046 5047 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 5048 /** 5049 * mptbase_sas_persist_operation - Perform operation on SAS Persistent Table 5050 * @ioc: Pointer to MPT_ADAPTER structure 5051 * @persist_opcode: see below 5052 * 5053 * =============================== ====================================== 5054 * MPI_SAS_OP_CLEAR_NOT_PRESENT Free all persist TargetID mappings for 5055 * devices not currently present. 5056 * MPI_SAS_OP_CLEAR_ALL_PERSISTENT Clear al persist TargetID mappings 5057 * =============================== ====================================== 5058 * 5059 * NOTE: Don't use not this function during interrupt time. 5060 * 5061 * Returns 0 for success, non-zero error 5062 */ 5063 5064 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 5065 int 5066 mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode) 5067 { 5068 SasIoUnitControlRequest_t *sasIoUnitCntrReq; 5069 SasIoUnitControlReply_t *sasIoUnitCntrReply; 5070 MPT_FRAME_HDR *mf = NULL; 5071 MPIHeader_t *mpi_hdr; 5072 int ret = 0; 5073 unsigned long timeleft; 5074 5075 mutex_lock(&ioc->mptbase_cmds.mutex); 5076 5077 /* init the internal cmd struct */ 5078 memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE); 5079 INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status) 5080 5081 /* insure garbage is not sent to fw */ 5082 switch(persist_opcode) { 5083 5084 case MPI_SAS_OP_CLEAR_NOT_PRESENT: 5085 case MPI_SAS_OP_CLEAR_ALL_PERSISTENT: 5086 break; 5087 5088 default: 5089 ret = -1; 5090 goto out; 5091 } 5092 5093 printk(KERN_DEBUG "%s: persist_opcode=%x\n", 5094 __func__, persist_opcode); 5095 5096 /* Get a MF for this command. 5097 */ 5098 if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) { 5099 printk(KERN_DEBUG "%s: no msg frames!\n", __func__); 5100 ret = -1; 5101 goto out; 5102 } 5103 5104 mpi_hdr = (MPIHeader_t *) mf; 5105 sasIoUnitCntrReq = (SasIoUnitControlRequest_t *)mf; 5106 memset(sasIoUnitCntrReq,0,sizeof(SasIoUnitControlRequest_t)); 5107 sasIoUnitCntrReq->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL; 5108 sasIoUnitCntrReq->MsgContext = mpi_hdr->MsgContext; 5109 sasIoUnitCntrReq->Operation = persist_opcode; 5110 5111 mpt_put_msg_frame(mpt_base_index, ioc, mf); 5112 timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done, 10*HZ); 5113 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 5114 ret = -ETIME; 5115 printk(KERN_DEBUG "%s: failed\n", __func__); 5116 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) 5117 goto out; 5118 if (!timeleft) { 5119 printk(MYIOC_s_WARN_FMT 5120 "Issuing Reset from %s!!, doorbell=0x%08x\n", 5121 ioc->name, __func__, mpt_GetIocState(ioc, 0)); 5122 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 5123 mpt_free_msg_frame(ioc, mf); 5124 } 5125 goto out; 5126 } 5127 5128 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { 5129 ret = -1; 5130 goto out; 5131 } 5132 5133 sasIoUnitCntrReply = 5134 (SasIoUnitControlReply_t *)ioc->mptbase_cmds.reply; 5135 if (le16_to_cpu(sasIoUnitCntrReply->IOCStatus) != MPI_IOCSTATUS_SUCCESS) { 5136 printk(KERN_DEBUG "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n", 5137 __func__, sasIoUnitCntrReply->IOCStatus, 5138 sasIoUnitCntrReply->IOCLogInfo); 5139 printk(KERN_DEBUG "%s: failed\n", __func__); 5140 ret = -1; 5141 } else 5142 printk(KERN_DEBUG "%s: success\n", __func__); 5143 out: 5144 5145 CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status) 5146 mutex_unlock(&ioc->mptbase_cmds.mutex); 5147 return ret; 5148 } 5149 5150 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 5151 5152 static void 5153 mptbase_raid_process_event_data(MPT_ADAPTER *ioc, 5154 MpiEventDataRaid_t * pRaidEventData) 5155 { 5156 int volume; 5157 int reason; 5158 int disk; 5159 int status; 5160 int flags; 5161 int state; 5162 5163 volume = pRaidEventData->VolumeID; 5164 reason = pRaidEventData->ReasonCode; 5165 disk = pRaidEventData->PhysDiskNum; 5166 status = le32_to_cpu(pRaidEventData->SettingsStatus); 5167 flags = (status >> 0) & 0xff; 5168 state = (status >> 8) & 0xff; 5169 5170 if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) { 5171 return; 5172 } 5173 5174 if ((reason >= MPI_EVENT_RAID_RC_PHYSDISK_CREATED && 5175 reason <= MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED) || 5176 (reason == MPI_EVENT_RAID_RC_SMART_DATA)) { 5177 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for PhysDisk %d id=%d\n", 5178 ioc->name, disk, volume); 5179 } else { 5180 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for VolumeID %d\n", 5181 ioc->name, volume); 5182 } 5183 5184 switch(reason) { 5185 case MPI_EVENT_RAID_RC_VOLUME_CREATED: 5186 printk(MYIOC_s_INFO_FMT " volume has been created\n", 5187 ioc->name); 5188 break; 5189 5190 case MPI_EVENT_RAID_RC_VOLUME_DELETED: 5191 5192 printk(MYIOC_s_INFO_FMT " volume has been deleted\n", 5193 ioc->name); 5194 break; 5195 5196 case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED: 5197 printk(MYIOC_s_INFO_FMT " volume settings have been changed\n", 5198 ioc->name); 5199 break; 5200 5201 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED: 5202 printk(MYIOC_s_INFO_FMT " volume is now %s%s%s%s\n", 5203 ioc->name, 5204 state == MPI_RAIDVOL0_STATUS_STATE_OPTIMAL 5205 ? "optimal" 5206 : state == MPI_RAIDVOL0_STATUS_STATE_DEGRADED 5207 ? "degraded" 5208 : state == MPI_RAIDVOL0_STATUS_STATE_FAILED 5209 ? "failed" 5210 : "state unknown", 5211 flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED 5212 ? ", enabled" : "", 5213 flags & MPI_RAIDVOL0_STATUS_FLAG_QUIESCED 5214 ? ", quiesced" : "", 5215 flags & MPI_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS 5216 ? ", resync in progress" : "" ); 5217 break; 5218 5219 case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED: 5220 printk(MYIOC_s_INFO_FMT " volume membership of PhysDisk %d has changed\n", 5221 ioc->name, disk); 5222 break; 5223 5224 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED: 5225 printk(MYIOC_s_INFO_FMT " PhysDisk has been created\n", 5226 ioc->name); 5227 break; 5228 5229 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED: 5230 printk(MYIOC_s_INFO_FMT " PhysDisk has been deleted\n", 5231 ioc->name); 5232 break; 5233 5234 case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED: 5235 printk(MYIOC_s_INFO_FMT " PhysDisk settings have been changed\n", 5236 ioc->name); 5237 break; 5238 5239 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED: 5240 printk(MYIOC_s_INFO_FMT " PhysDisk is now %s%s%s\n", 5241 ioc->name, 5242 state == MPI_PHYSDISK0_STATUS_ONLINE 5243 ? "online" 5244 : state == MPI_PHYSDISK0_STATUS_MISSING 5245 ? "missing" 5246 : state == MPI_PHYSDISK0_STATUS_NOT_COMPATIBLE 5247 ? "not compatible" 5248 : state == MPI_PHYSDISK0_STATUS_FAILED 5249 ? "failed" 5250 : state == MPI_PHYSDISK0_STATUS_INITIALIZING 5251 ? "initializing" 5252 : state == MPI_PHYSDISK0_STATUS_OFFLINE_REQUESTED 5253 ? "offline requested" 5254 : state == MPI_PHYSDISK0_STATUS_FAILED_REQUESTED 5255 ? "failed requested" 5256 : state == MPI_PHYSDISK0_STATUS_OTHER_OFFLINE 5257 ? "offline" 5258 : "state unknown", 5259 flags & MPI_PHYSDISK0_STATUS_FLAG_OUT_OF_SYNC 5260 ? ", out of sync" : "", 5261 flags & MPI_PHYSDISK0_STATUS_FLAG_QUIESCED 5262 ? ", quiesced" : "" ); 5263 break; 5264 5265 case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED: 5266 printk(MYIOC_s_INFO_FMT " Domain Validation needed for PhysDisk %d\n", 5267 ioc->name, disk); 5268 break; 5269 5270 case MPI_EVENT_RAID_RC_SMART_DATA: 5271 printk(MYIOC_s_INFO_FMT " SMART data received, ASC/ASCQ = %02xh/%02xh\n", 5272 ioc->name, pRaidEventData->ASC, pRaidEventData->ASCQ); 5273 break; 5274 5275 case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED: 5276 printk(MYIOC_s_INFO_FMT " replacement of PhysDisk %d has started\n", 5277 ioc->name, disk); 5278 break; 5279 } 5280 } 5281 5282 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 5283 /** 5284 * GetIoUnitPage2 - Retrieve BIOS version and boot order information. 5285 * @ioc: Pointer to MPT_ADAPTER structure 5286 * 5287 * Returns: 0 for success 5288 * -ENOMEM if no memory available 5289 * -EPERM if not allowed due to ISR context 5290 * -EAGAIN if no msg frames currently available 5291 * -EFAULT for non-successful reply or no reply (timeout) 5292 */ 5293 static int 5294 GetIoUnitPage2(MPT_ADAPTER *ioc) 5295 { 5296 ConfigPageHeader_t hdr; 5297 CONFIGPARMS cfg; 5298 IOUnitPage2_t *ppage_alloc; 5299 dma_addr_t page_dma; 5300 int data_sz; 5301 int rc; 5302 5303 /* Get the page header */ 5304 hdr.PageVersion = 0; 5305 hdr.PageLength = 0; 5306 hdr.PageNumber = 2; 5307 hdr.PageType = MPI_CONFIG_PAGETYPE_IO_UNIT; 5308 cfg.cfghdr.hdr = &hdr; 5309 cfg.physAddr = -1; 5310 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5311 cfg.dir = 0; 5312 cfg.pageAddr = 0; 5313 cfg.timeout = 0; 5314 5315 if ((rc = mpt_config(ioc, &cfg)) != 0) 5316 return rc; 5317 5318 if (hdr.PageLength == 0) 5319 return 0; 5320 5321 /* Read the config page */ 5322 data_sz = hdr.PageLength * 4; 5323 rc = -ENOMEM; 5324 ppage_alloc = (IOUnitPage2_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma); 5325 if (ppage_alloc) { 5326 memset((u8 *)ppage_alloc, 0, data_sz); 5327 cfg.physAddr = page_dma; 5328 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5329 5330 /* If Good, save data */ 5331 if ((rc = mpt_config(ioc, &cfg)) == 0) 5332 ioc->biosVersion = le32_to_cpu(ppage_alloc->BiosVersion); 5333 5334 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage_alloc, page_dma); 5335 } 5336 5337 return rc; 5338 } 5339 5340 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 5341 /** 5342 * mpt_GetScsiPortSettings - read SCSI Port Page 0 and 2 5343 * @ioc: Pointer to a Adapter Strucutre 5344 * @portnum: IOC port number 5345 * 5346 * Return: -EFAULT if read of config page header fails 5347 * or if no nvram 5348 * If read of SCSI Port Page 0 fails, 5349 * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF) 5350 * Adapter settings: async, narrow 5351 * Return 1 5352 * If read of SCSI Port Page 2 fails, 5353 * Adapter settings valid 5354 * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF) 5355 * Return 1 5356 * Else 5357 * Both valid 5358 * Return 0 5359 * CHECK - what type of locking mechanisms should be used???? 5360 */ 5361 static int 5362 mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum) 5363 { 5364 u8 *pbuf; 5365 dma_addr_t buf_dma; 5366 CONFIGPARMS cfg; 5367 ConfigPageHeader_t header; 5368 int ii; 5369 int data, rc = 0; 5370 5371 /* Allocate memory 5372 */ 5373 if (!ioc->spi_data.nvram) { 5374 int sz; 5375 u8 *mem; 5376 sz = MPT_MAX_SCSI_DEVICES * sizeof(int); 5377 mem = kmalloc(sz, GFP_ATOMIC); 5378 if (mem == NULL) 5379 return -EFAULT; 5380 5381 ioc->spi_data.nvram = (int *) mem; 5382 5383 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SCSI device NVRAM settings @ %p, sz=%d\n", 5384 ioc->name, ioc->spi_data.nvram, sz)); 5385 } 5386 5387 /* Invalidate NVRAM information 5388 */ 5389 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) { 5390 ioc->spi_data.nvram[ii] = MPT_HOST_NVRAM_INVALID; 5391 } 5392 5393 /* Read SPP0 header, allocate memory, then read page. 5394 */ 5395 header.PageVersion = 0; 5396 header.PageLength = 0; 5397 header.PageNumber = 0; 5398 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT; 5399 cfg.cfghdr.hdr = &header; 5400 cfg.physAddr = -1; 5401 cfg.pageAddr = portnum; 5402 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5403 cfg.dir = 0; 5404 cfg.timeout = 0; /* use default */ 5405 if (mpt_config(ioc, &cfg) != 0) 5406 return -EFAULT; 5407 5408 if (header.PageLength > 0) { 5409 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma); 5410 if (pbuf) { 5411 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5412 cfg.physAddr = buf_dma; 5413 if (mpt_config(ioc, &cfg) != 0) { 5414 ioc->spi_data.maxBusWidth = MPT_NARROW; 5415 ioc->spi_data.maxSyncOffset = 0; 5416 ioc->spi_data.minSyncFactor = MPT_ASYNC; 5417 ioc->spi_data.busType = MPT_HOST_BUS_UNKNOWN; 5418 rc = 1; 5419 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT 5420 "Unable to read PortPage0 minSyncFactor=%x\n", 5421 ioc->name, ioc->spi_data.minSyncFactor)); 5422 } else { 5423 /* Save the Port Page 0 data 5424 */ 5425 SCSIPortPage0_t *pPP0 = (SCSIPortPage0_t *) pbuf; 5426 pPP0->Capabilities = le32_to_cpu(pPP0->Capabilities); 5427 pPP0->PhysicalInterface = le32_to_cpu(pPP0->PhysicalInterface); 5428 5429 if ( (pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_QAS) == 0 ) { 5430 ioc->spi_data.noQas |= MPT_TARGET_NO_NEGO_QAS; 5431 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT 5432 "noQas due to Capabilities=%x\n", 5433 ioc->name, pPP0->Capabilities)); 5434 } 5435 ioc->spi_data.maxBusWidth = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_WIDE ? 1 : 0; 5436 data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MAX_SYNC_OFFSET_MASK; 5437 if (data) { 5438 ioc->spi_data.maxSyncOffset = (u8) (data >> 16); 5439 data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MIN_SYNC_PERIOD_MASK; 5440 ioc->spi_data.minSyncFactor = (u8) (data >> 8); 5441 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT 5442 "PortPage0 minSyncFactor=%x\n", 5443 ioc->name, ioc->spi_data.minSyncFactor)); 5444 } else { 5445 ioc->spi_data.maxSyncOffset = 0; 5446 ioc->spi_data.minSyncFactor = MPT_ASYNC; 5447 } 5448 5449 ioc->spi_data.busType = pPP0->PhysicalInterface & MPI_SCSIPORTPAGE0_PHY_SIGNAL_TYPE_MASK; 5450 5451 /* Update the minSyncFactor based on bus type. 5452 */ 5453 if ((ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_HVD) || 5454 (ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_SE)) { 5455 5456 if (ioc->spi_data.minSyncFactor < MPT_ULTRA) { 5457 ioc->spi_data.minSyncFactor = MPT_ULTRA; 5458 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT 5459 "HVD or SE detected, minSyncFactor=%x\n", 5460 ioc->name, ioc->spi_data.minSyncFactor)); 5461 } 5462 } 5463 } 5464 if (pbuf) { 5465 pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma); 5466 } 5467 } 5468 } 5469 5470 /* SCSI Port Page 2 - Read the header then the page. 5471 */ 5472 header.PageVersion = 0; 5473 header.PageLength = 0; 5474 header.PageNumber = 2; 5475 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT; 5476 cfg.cfghdr.hdr = &header; 5477 cfg.physAddr = -1; 5478 cfg.pageAddr = portnum; 5479 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5480 cfg.dir = 0; 5481 if (mpt_config(ioc, &cfg) != 0) 5482 return -EFAULT; 5483 5484 if (header.PageLength > 0) { 5485 /* Allocate memory and read SCSI Port Page 2 5486 */ 5487 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma); 5488 if (pbuf) { 5489 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_NVRAM; 5490 cfg.physAddr = buf_dma; 5491 if (mpt_config(ioc, &cfg) != 0) { 5492 /* Nvram data is left with INVALID mark 5493 */ 5494 rc = 1; 5495 } else if (ioc->pcidev->vendor == PCI_VENDOR_ID_ATTO) { 5496 5497 /* This is an ATTO adapter, read Page2 accordingly 5498 */ 5499 ATTO_SCSIPortPage2_t *pPP2 = (ATTO_SCSIPortPage2_t *) pbuf; 5500 ATTODeviceInfo_t *pdevice = NULL; 5501 u16 ATTOFlags; 5502 5503 /* Save the Port Page 2 data 5504 * (reformat into a 32bit quantity) 5505 */ 5506 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) { 5507 pdevice = &pPP2->DeviceSettings[ii]; 5508 ATTOFlags = le16_to_cpu(pdevice->ATTOFlags); 5509 data = 0; 5510 5511 /* Translate ATTO device flags to LSI format 5512 */ 5513 if (ATTOFlags & ATTOFLAG_DISC) 5514 data |= (MPI_SCSIPORTPAGE2_DEVICE_DISCONNECT_ENABLE); 5515 if (ATTOFlags & ATTOFLAG_ID_ENB) 5516 data |= (MPI_SCSIPORTPAGE2_DEVICE_ID_SCAN_ENABLE); 5517 if (ATTOFlags & ATTOFLAG_LUN_ENB) 5518 data |= (MPI_SCSIPORTPAGE2_DEVICE_LUN_SCAN_ENABLE); 5519 if (ATTOFlags & ATTOFLAG_TAGGED) 5520 data |= (MPI_SCSIPORTPAGE2_DEVICE_TAG_QUEUE_ENABLE); 5521 if (!(ATTOFlags & ATTOFLAG_WIDE_ENB)) 5522 data |= (MPI_SCSIPORTPAGE2_DEVICE_WIDE_DISABLE); 5523 5524 data = (data << 16) | (pdevice->Period << 8) | 10; 5525 ioc->spi_data.nvram[ii] = data; 5526 } 5527 } else { 5528 SCSIPortPage2_t *pPP2 = (SCSIPortPage2_t *) pbuf; 5529 MpiDeviceInfo_t *pdevice = NULL; 5530 5531 /* 5532 * Save "Set to Avoid SCSI Bus Resets" flag 5533 */ 5534 ioc->spi_data.bus_reset = 5535 (le32_to_cpu(pPP2->PortFlags) & 5536 MPI_SCSIPORTPAGE2_PORT_FLAGS_AVOID_SCSI_RESET) ? 5537 0 : 1 ; 5538 5539 /* Save the Port Page 2 data 5540 * (reformat into a 32bit quantity) 5541 */ 5542 data = le32_to_cpu(pPP2->PortFlags) & MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; 5543 ioc->spi_data.PortFlags = data; 5544 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) { 5545 pdevice = &pPP2->DeviceSettings[ii]; 5546 data = (le16_to_cpu(pdevice->DeviceFlags) << 16) | 5547 (pdevice->SyncFactor << 8) | pdevice->Timeout; 5548 ioc->spi_data.nvram[ii] = data; 5549 } 5550 } 5551 5552 pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma); 5553 } 5554 } 5555 5556 /* Update Adapter limits with those from NVRAM 5557 * Comment: Don't need to do this. Target performance 5558 * parameters will never exceed the adapters limits. 5559 */ 5560 5561 return rc; 5562 } 5563 5564 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 5565 /** 5566 * mpt_readScsiDevicePageHeaders - save version and length of SDP1 5567 * @ioc: Pointer to a Adapter Strucutre 5568 * @portnum: IOC port number 5569 * 5570 * Return: -EFAULT if read of config page header fails 5571 * or 0 if success. 5572 */ 5573 static int 5574 mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum) 5575 { 5576 CONFIGPARMS cfg; 5577 ConfigPageHeader_t header; 5578 5579 /* Read the SCSI Device Page 1 header 5580 */ 5581 header.PageVersion = 0; 5582 header.PageLength = 0; 5583 header.PageNumber = 1; 5584 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; 5585 cfg.cfghdr.hdr = &header; 5586 cfg.physAddr = -1; 5587 cfg.pageAddr = portnum; 5588 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5589 cfg.dir = 0; 5590 cfg.timeout = 0; 5591 if (mpt_config(ioc, &cfg) != 0) 5592 return -EFAULT; 5593 5594 ioc->spi_data.sdp1version = cfg.cfghdr.hdr->PageVersion; 5595 ioc->spi_data.sdp1length = cfg.cfghdr.hdr->PageLength; 5596 5597 header.PageVersion = 0; 5598 header.PageLength = 0; 5599 header.PageNumber = 0; 5600 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; 5601 if (mpt_config(ioc, &cfg) != 0) 5602 return -EFAULT; 5603 5604 ioc->spi_data.sdp0version = cfg.cfghdr.hdr->PageVersion; 5605 ioc->spi_data.sdp0length = cfg.cfghdr.hdr->PageLength; 5606 5607 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 0: version %d length %d\n", 5608 ioc->name, ioc->spi_data.sdp0version, ioc->spi_data.sdp0length)); 5609 5610 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 1: version %d length %d\n", 5611 ioc->name, ioc->spi_data.sdp1version, ioc->spi_data.sdp1length)); 5612 return 0; 5613 } 5614 5615 /** 5616 * mpt_inactive_raid_list_free - This clears this link list. 5617 * @ioc : pointer to per adapter structure 5618 **/ 5619 static void 5620 mpt_inactive_raid_list_free(MPT_ADAPTER *ioc) 5621 { 5622 struct inactive_raid_component_info *component_info, *pNext; 5623 5624 if (list_empty(&ioc->raid_data.inactive_list)) 5625 return; 5626 5627 mutex_lock(&ioc->raid_data.inactive_list_mutex); 5628 list_for_each_entry_safe(component_info, pNext, 5629 &ioc->raid_data.inactive_list, list) { 5630 list_del(&component_info->list); 5631 kfree(component_info); 5632 } 5633 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 5634 } 5635 5636 /** 5637 * mpt_inactive_raid_volumes - sets up link list of phy_disk_nums for devices belonging in an inactive volume 5638 * 5639 * @ioc : pointer to per adapter structure 5640 * @channel : volume channel 5641 * @id : volume target id 5642 **/ 5643 static void 5644 mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id) 5645 { 5646 CONFIGPARMS cfg; 5647 ConfigPageHeader_t hdr; 5648 dma_addr_t dma_handle; 5649 pRaidVolumePage0_t buffer = NULL; 5650 int i; 5651 RaidPhysDiskPage0_t phys_disk; 5652 struct inactive_raid_component_info *component_info; 5653 int handle_inactive_volumes; 5654 5655 memset(&cfg, 0 , sizeof(CONFIGPARMS)); 5656 memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); 5657 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME; 5658 cfg.pageAddr = (channel << 8) + id; 5659 cfg.cfghdr.hdr = &hdr; 5660 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5661 5662 if (mpt_config(ioc, &cfg) != 0) 5663 goto out; 5664 5665 if (!hdr.PageLength) 5666 goto out; 5667 5668 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, 5669 &dma_handle); 5670 5671 if (!buffer) 5672 goto out; 5673 5674 cfg.physAddr = dma_handle; 5675 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5676 5677 if (mpt_config(ioc, &cfg) != 0) 5678 goto out; 5679 5680 if (!buffer->NumPhysDisks) 5681 goto out; 5682 5683 handle_inactive_volumes = 5684 (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE || 5685 (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED) == 0 || 5686 buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_FAILED || 5687 buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_MISSING) ? 1 : 0; 5688 5689 if (!handle_inactive_volumes) 5690 goto out; 5691 5692 mutex_lock(&ioc->raid_data.inactive_list_mutex); 5693 for (i = 0; i < buffer->NumPhysDisks; i++) { 5694 if(mpt_raid_phys_disk_pg0(ioc, 5695 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0) 5696 continue; 5697 5698 if ((component_info = kmalloc(sizeof (*component_info), 5699 GFP_KERNEL)) == NULL) 5700 continue; 5701 5702 component_info->volumeID = id; 5703 component_info->volumeBus = channel; 5704 component_info->d.PhysDiskNum = phys_disk.PhysDiskNum; 5705 component_info->d.PhysDiskBus = phys_disk.PhysDiskBus; 5706 component_info->d.PhysDiskID = phys_disk.PhysDiskID; 5707 component_info->d.PhysDiskIOC = phys_disk.PhysDiskIOC; 5708 5709 list_add_tail(&component_info->list, 5710 &ioc->raid_data.inactive_list); 5711 } 5712 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 5713 5714 out: 5715 if (buffer) 5716 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer, 5717 dma_handle); 5718 } 5719 5720 /** 5721 * mpt_raid_phys_disk_pg0 - returns phys disk page zero 5722 * @ioc: Pointer to a Adapter Structure 5723 * @phys_disk_num: io unit unique phys disk num generated by the ioc 5724 * @phys_disk: requested payload data returned 5725 * 5726 * Return: 5727 * 0 on success 5728 * -EFAULT if read of config page header fails or data pointer not NULL 5729 * -ENOMEM if pci_alloc failed 5730 **/ 5731 int 5732 mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, 5733 RaidPhysDiskPage0_t *phys_disk) 5734 { 5735 CONFIGPARMS cfg; 5736 ConfigPageHeader_t hdr; 5737 dma_addr_t dma_handle; 5738 pRaidPhysDiskPage0_t buffer = NULL; 5739 int rc; 5740 5741 memset(&cfg, 0 , sizeof(CONFIGPARMS)); 5742 memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); 5743 memset(phys_disk, 0, sizeof(RaidPhysDiskPage0_t)); 5744 5745 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE0_PAGEVERSION; 5746 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK; 5747 cfg.cfghdr.hdr = &hdr; 5748 cfg.physAddr = -1; 5749 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5750 5751 if (mpt_config(ioc, &cfg) != 0) { 5752 rc = -EFAULT; 5753 goto out; 5754 } 5755 5756 if (!hdr.PageLength) { 5757 rc = -EFAULT; 5758 goto out; 5759 } 5760 5761 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, 5762 &dma_handle); 5763 5764 if (!buffer) { 5765 rc = -ENOMEM; 5766 goto out; 5767 } 5768 5769 cfg.physAddr = dma_handle; 5770 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5771 cfg.pageAddr = phys_disk_num; 5772 5773 if (mpt_config(ioc, &cfg) != 0) { 5774 rc = -EFAULT; 5775 goto out; 5776 } 5777 5778 rc = 0; 5779 memcpy(phys_disk, buffer, sizeof(*buffer)); 5780 phys_disk->MaxLBA = le32_to_cpu(buffer->MaxLBA); 5781 5782 out: 5783 5784 if (buffer) 5785 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer, 5786 dma_handle); 5787 5788 return rc; 5789 } 5790 5791 /** 5792 * mpt_raid_phys_disk_get_num_paths - returns number paths associated to this phys_num 5793 * @ioc: Pointer to a Adapter Structure 5794 * @phys_disk_num: io unit unique phys disk num generated by the ioc 5795 * 5796 * Return: 5797 * returns number paths 5798 **/ 5799 int 5800 mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc, u8 phys_disk_num) 5801 { 5802 CONFIGPARMS cfg; 5803 ConfigPageHeader_t hdr; 5804 dma_addr_t dma_handle; 5805 pRaidPhysDiskPage1_t buffer = NULL; 5806 int rc; 5807 5808 memset(&cfg, 0 , sizeof(CONFIGPARMS)); 5809 memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); 5810 5811 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION; 5812 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK; 5813 hdr.PageNumber = 1; 5814 cfg.cfghdr.hdr = &hdr; 5815 cfg.physAddr = -1; 5816 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5817 5818 if (mpt_config(ioc, &cfg) != 0) { 5819 rc = 0; 5820 goto out; 5821 } 5822 5823 if (!hdr.PageLength) { 5824 rc = 0; 5825 goto out; 5826 } 5827 5828 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, 5829 &dma_handle); 5830 5831 if (!buffer) { 5832 rc = 0; 5833 goto out; 5834 } 5835 5836 cfg.physAddr = dma_handle; 5837 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5838 cfg.pageAddr = phys_disk_num; 5839 5840 if (mpt_config(ioc, &cfg) != 0) { 5841 rc = 0; 5842 goto out; 5843 } 5844 5845 rc = buffer->NumPhysDiskPaths; 5846 out: 5847 5848 if (buffer) 5849 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer, 5850 dma_handle); 5851 5852 return rc; 5853 } 5854 EXPORT_SYMBOL(mpt_raid_phys_disk_get_num_paths); 5855 5856 /** 5857 * mpt_raid_phys_disk_pg1 - returns phys disk page 1 5858 * @ioc: Pointer to a Adapter Structure 5859 * @phys_disk_num: io unit unique phys disk num generated by the ioc 5860 * @phys_disk: requested payload data returned 5861 * 5862 * Return: 5863 * 0 on success 5864 * -EFAULT if read of config page header fails or data pointer not NULL 5865 * -ENOMEM if pci_alloc failed 5866 **/ 5867 int 5868 mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num, 5869 RaidPhysDiskPage1_t *phys_disk) 5870 { 5871 CONFIGPARMS cfg; 5872 ConfigPageHeader_t hdr; 5873 dma_addr_t dma_handle; 5874 pRaidPhysDiskPage1_t buffer = NULL; 5875 int rc; 5876 int i; 5877 __le64 sas_address; 5878 5879 memset(&cfg, 0 , sizeof(CONFIGPARMS)); 5880 memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); 5881 rc = 0; 5882 5883 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION; 5884 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK; 5885 hdr.PageNumber = 1; 5886 cfg.cfghdr.hdr = &hdr; 5887 cfg.physAddr = -1; 5888 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5889 5890 if (mpt_config(ioc, &cfg) != 0) { 5891 rc = -EFAULT; 5892 goto out; 5893 } 5894 5895 if (!hdr.PageLength) { 5896 rc = -EFAULT; 5897 goto out; 5898 } 5899 5900 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, 5901 &dma_handle); 5902 5903 if (!buffer) { 5904 rc = -ENOMEM; 5905 goto out; 5906 } 5907 5908 cfg.physAddr = dma_handle; 5909 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5910 cfg.pageAddr = phys_disk_num; 5911 5912 if (mpt_config(ioc, &cfg) != 0) { 5913 rc = -EFAULT; 5914 goto out; 5915 } 5916 5917 phys_disk->NumPhysDiskPaths = buffer->NumPhysDiskPaths; 5918 phys_disk->PhysDiskNum = phys_disk_num; 5919 for (i = 0; i < phys_disk->NumPhysDiskPaths; i++) { 5920 phys_disk->Path[i].PhysDiskID = buffer->Path[i].PhysDiskID; 5921 phys_disk->Path[i].PhysDiskBus = buffer->Path[i].PhysDiskBus; 5922 phys_disk->Path[i].OwnerIdentifier = 5923 buffer->Path[i].OwnerIdentifier; 5924 phys_disk->Path[i].Flags = le16_to_cpu(buffer->Path[i].Flags); 5925 memcpy(&sas_address, &buffer->Path[i].WWID, sizeof(__le64)); 5926 sas_address = le64_to_cpu(sas_address); 5927 memcpy(&phys_disk->Path[i].WWID, &sas_address, sizeof(__le64)); 5928 memcpy(&sas_address, 5929 &buffer->Path[i].OwnerWWID, sizeof(__le64)); 5930 sas_address = le64_to_cpu(sas_address); 5931 memcpy(&phys_disk->Path[i].OwnerWWID, 5932 &sas_address, sizeof(__le64)); 5933 } 5934 5935 out: 5936 5937 if (buffer) 5938 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer, 5939 dma_handle); 5940 5941 return rc; 5942 } 5943 EXPORT_SYMBOL(mpt_raid_phys_disk_pg1); 5944 5945 5946 /** 5947 * mpt_findImVolumes - Identify IDs of hidden disks and RAID Volumes 5948 * @ioc: Pointer to a Adapter Strucutre 5949 * 5950 * Return: 5951 * 0 on success 5952 * -EFAULT if read of config page header fails or data pointer not NULL 5953 * -ENOMEM if pci_alloc failed 5954 **/ 5955 int 5956 mpt_findImVolumes(MPT_ADAPTER *ioc) 5957 { 5958 IOCPage2_t *pIoc2; 5959 u8 *mem; 5960 dma_addr_t ioc2_dma; 5961 CONFIGPARMS cfg; 5962 ConfigPageHeader_t header; 5963 int rc = 0; 5964 int iocpage2sz; 5965 int i; 5966 5967 if (!ioc->ir_firmware) 5968 return 0; 5969 5970 /* Free the old page 5971 */ 5972 kfree(ioc->raid_data.pIocPg2); 5973 ioc->raid_data.pIocPg2 = NULL; 5974 mpt_inactive_raid_list_free(ioc); 5975 5976 /* Read IOCP2 header then the page. 5977 */ 5978 header.PageVersion = 0; 5979 header.PageLength = 0; 5980 header.PageNumber = 2; 5981 header.PageType = MPI_CONFIG_PAGETYPE_IOC; 5982 cfg.cfghdr.hdr = &header; 5983 cfg.physAddr = -1; 5984 cfg.pageAddr = 0; 5985 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5986 cfg.dir = 0; 5987 cfg.timeout = 0; 5988 if (mpt_config(ioc, &cfg) != 0) 5989 return -EFAULT; 5990 5991 if (header.PageLength == 0) 5992 return -EFAULT; 5993 5994 iocpage2sz = header.PageLength * 4; 5995 pIoc2 = pci_alloc_consistent(ioc->pcidev, iocpage2sz, &ioc2_dma); 5996 if (!pIoc2) 5997 return -ENOMEM; 5998 5999 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 6000 cfg.physAddr = ioc2_dma; 6001 if (mpt_config(ioc, &cfg) != 0) 6002 goto out; 6003 6004 mem = kmemdup(pIoc2, iocpage2sz, GFP_KERNEL); 6005 if (!mem) { 6006 rc = -ENOMEM; 6007 goto out; 6008 } 6009 6010 ioc->raid_data.pIocPg2 = (IOCPage2_t *) mem; 6011 6012 mpt_read_ioc_pg_3(ioc); 6013 6014 for (i = 0; i < pIoc2->NumActiveVolumes ; i++) 6015 mpt_inactive_raid_volumes(ioc, 6016 pIoc2->RaidVolume[i].VolumeBus, 6017 pIoc2->RaidVolume[i].VolumeID); 6018 6019 out: 6020 pci_free_consistent(ioc->pcidev, iocpage2sz, pIoc2, ioc2_dma); 6021 6022 return rc; 6023 } 6024 6025 static int 6026 mpt_read_ioc_pg_3(MPT_ADAPTER *ioc) 6027 { 6028 IOCPage3_t *pIoc3; 6029 u8 *mem; 6030 CONFIGPARMS cfg; 6031 ConfigPageHeader_t header; 6032 dma_addr_t ioc3_dma; 6033 int iocpage3sz = 0; 6034 6035 /* Free the old page 6036 */ 6037 kfree(ioc->raid_data.pIocPg3); 6038 ioc->raid_data.pIocPg3 = NULL; 6039 6040 /* There is at least one physical disk. 6041 * Read and save IOC Page 3 6042 */ 6043 header.PageVersion = 0; 6044 header.PageLength = 0; 6045 header.PageNumber = 3; 6046 header.PageType = MPI_CONFIG_PAGETYPE_IOC; 6047 cfg.cfghdr.hdr = &header; 6048 cfg.physAddr = -1; 6049 cfg.pageAddr = 0; 6050 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 6051 cfg.dir = 0; 6052 cfg.timeout = 0; 6053 if (mpt_config(ioc, &cfg) != 0) 6054 return 0; 6055 6056 if (header.PageLength == 0) 6057 return 0; 6058 6059 /* Read Header good, alloc memory 6060 */ 6061 iocpage3sz = header.PageLength * 4; 6062 pIoc3 = pci_alloc_consistent(ioc->pcidev, iocpage3sz, &ioc3_dma); 6063 if (!pIoc3) 6064 return 0; 6065 6066 /* Read the Page and save the data 6067 * into malloc'd memory. 6068 */ 6069 cfg.physAddr = ioc3_dma; 6070 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 6071 if (mpt_config(ioc, &cfg) == 0) { 6072 mem = kmalloc(iocpage3sz, GFP_KERNEL); 6073 if (mem) { 6074 memcpy(mem, (u8 *)pIoc3, iocpage3sz); 6075 ioc->raid_data.pIocPg3 = (IOCPage3_t *) mem; 6076 } 6077 } 6078 6079 pci_free_consistent(ioc->pcidev, iocpage3sz, pIoc3, ioc3_dma); 6080 6081 return 0; 6082 } 6083 6084 static void 6085 mpt_read_ioc_pg_4(MPT_ADAPTER *ioc) 6086 { 6087 IOCPage4_t *pIoc4; 6088 CONFIGPARMS cfg; 6089 ConfigPageHeader_t header; 6090 dma_addr_t ioc4_dma; 6091 int iocpage4sz; 6092 6093 /* Read and save IOC Page 4 6094 */ 6095 header.PageVersion = 0; 6096 header.PageLength = 0; 6097 header.PageNumber = 4; 6098 header.PageType = MPI_CONFIG_PAGETYPE_IOC; 6099 cfg.cfghdr.hdr = &header; 6100 cfg.physAddr = -1; 6101 cfg.pageAddr = 0; 6102 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 6103 cfg.dir = 0; 6104 cfg.timeout = 0; 6105 if (mpt_config(ioc, &cfg) != 0) 6106 return; 6107 6108 if (header.PageLength == 0) 6109 return; 6110 6111 if ( (pIoc4 = ioc->spi_data.pIocPg4) == NULL ) { 6112 iocpage4sz = (header.PageLength + 4) * 4; /* Allow 4 additional SEP's */ 6113 pIoc4 = pci_alloc_consistent(ioc->pcidev, iocpage4sz, &ioc4_dma); 6114 if (!pIoc4) 6115 return; 6116 ioc->alloc_total += iocpage4sz; 6117 } else { 6118 ioc4_dma = ioc->spi_data.IocPg4_dma; 6119 iocpage4sz = ioc->spi_data.IocPg4Sz; 6120 } 6121 6122 /* Read the Page into dma memory. 6123 */ 6124 cfg.physAddr = ioc4_dma; 6125 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 6126 if (mpt_config(ioc, &cfg) == 0) { 6127 ioc->spi_data.pIocPg4 = (IOCPage4_t *) pIoc4; 6128 ioc->spi_data.IocPg4_dma = ioc4_dma; 6129 ioc->spi_data.IocPg4Sz = iocpage4sz; 6130 } else { 6131 pci_free_consistent(ioc->pcidev, iocpage4sz, pIoc4, ioc4_dma); 6132 ioc->spi_data.pIocPg4 = NULL; 6133 ioc->alloc_total -= iocpage4sz; 6134 } 6135 } 6136 6137 static void 6138 mpt_read_ioc_pg_1(MPT_ADAPTER *ioc) 6139 { 6140 IOCPage1_t *pIoc1; 6141 CONFIGPARMS cfg; 6142 ConfigPageHeader_t header; 6143 dma_addr_t ioc1_dma; 6144 int iocpage1sz = 0; 6145 u32 tmp; 6146 6147 /* Check the Coalescing Timeout in IOC Page 1 6148 */ 6149 header.PageVersion = 0; 6150 header.PageLength = 0; 6151 header.PageNumber = 1; 6152 header.PageType = MPI_CONFIG_PAGETYPE_IOC; 6153 cfg.cfghdr.hdr = &header; 6154 cfg.physAddr = -1; 6155 cfg.pageAddr = 0; 6156 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 6157 cfg.dir = 0; 6158 cfg.timeout = 0; 6159 if (mpt_config(ioc, &cfg) != 0) 6160 return; 6161 6162 if (header.PageLength == 0) 6163 return; 6164 6165 /* Read Header good, alloc memory 6166 */ 6167 iocpage1sz = header.PageLength * 4; 6168 pIoc1 = pci_alloc_consistent(ioc->pcidev, iocpage1sz, &ioc1_dma); 6169 if (!pIoc1) 6170 return; 6171 6172 /* Read the Page and check coalescing timeout 6173 */ 6174 cfg.physAddr = ioc1_dma; 6175 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 6176 if (mpt_config(ioc, &cfg) == 0) { 6177 6178 tmp = le32_to_cpu(pIoc1->Flags) & MPI_IOCPAGE1_REPLY_COALESCING; 6179 if (tmp == MPI_IOCPAGE1_REPLY_COALESCING) { 6180 tmp = le32_to_cpu(pIoc1->CoalescingTimeout); 6181 6182 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Coalescing Enabled Timeout = %d\n", 6183 ioc->name, tmp)); 6184 6185 if (tmp > MPT_COALESCING_TIMEOUT) { 6186 pIoc1->CoalescingTimeout = cpu_to_le32(MPT_COALESCING_TIMEOUT); 6187 6188 /* Write NVRAM and current 6189 */ 6190 cfg.dir = 1; 6191 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; 6192 if (mpt_config(ioc, &cfg) == 0) { 6193 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Reset Current Coalescing Timeout to = %d\n", 6194 ioc->name, MPT_COALESCING_TIMEOUT)); 6195 6196 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM; 6197 if (mpt_config(ioc, &cfg) == 0) { 6198 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6199 "Reset NVRAM Coalescing Timeout to = %d\n", 6200 ioc->name, MPT_COALESCING_TIMEOUT)); 6201 } else { 6202 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6203 "Reset NVRAM Coalescing Timeout Failed\n", 6204 ioc->name)); 6205 } 6206 6207 } else { 6208 dprintk(ioc, printk(MYIOC_s_WARN_FMT 6209 "Reset of Current Coalescing Timeout Failed!\n", 6210 ioc->name)); 6211 } 6212 } 6213 6214 } else { 6215 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Coalescing Disabled\n", ioc->name)); 6216 } 6217 } 6218 6219 pci_free_consistent(ioc->pcidev, iocpage1sz, pIoc1, ioc1_dma); 6220 6221 return; 6222 } 6223 6224 static void 6225 mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc) 6226 { 6227 CONFIGPARMS cfg; 6228 ConfigPageHeader_t hdr; 6229 dma_addr_t buf_dma; 6230 ManufacturingPage0_t *pbuf = NULL; 6231 6232 memset(&cfg, 0 , sizeof(CONFIGPARMS)); 6233 memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); 6234 6235 hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING; 6236 cfg.cfghdr.hdr = &hdr; 6237 cfg.physAddr = -1; 6238 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 6239 cfg.timeout = 10; 6240 6241 if (mpt_config(ioc, &cfg) != 0) 6242 goto out; 6243 6244 if (!cfg.cfghdr.hdr->PageLength) 6245 goto out; 6246 6247 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 6248 pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma); 6249 if (!pbuf) 6250 goto out; 6251 6252 cfg.physAddr = buf_dma; 6253 6254 if (mpt_config(ioc, &cfg) != 0) 6255 goto out; 6256 6257 memcpy(ioc->board_name, pbuf->BoardName, sizeof(ioc->board_name)); 6258 memcpy(ioc->board_assembly, pbuf->BoardAssembly, sizeof(ioc->board_assembly)); 6259 memcpy(ioc->board_tracer, pbuf->BoardTracerNumber, sizeof(ioc->board_tracer)); 6260 6261 out: 6262 6263 if (pbuf) 6264 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma); 6265 } 6266 6267 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6268 /** 6269 * SendEventNotification - Send EventNotification (on or off) request to adapter 6270 * @ioc: Pointer to MPT_ADAPTER structure 6271 * @EvSwitch: Event switch flags 6272 * @sleepFlag: Specifies whether the process can sleep 6273 */ 6274 static int 6275 SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch, int sleepFlag) 6276 { 6277 EventNotification_t evn; 6278 MPIDefaultReply_t reply_buf; 6279 6280 memset(&evn, 0, sizeof(EventNotification_t)); 6281 memset(&reply_buf, 0, sizeof(MPIDefaultReply_t)); 6282 6283 evn.Function = MPI_FUNCTION_EVENT_NOTIFICATION; 6284 evn.Switch = EvSwitch; 6285 evn.MsgContext = cpu_to_le32(mpt_base_index << 16); 6286 6287 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6288 "Sending EventNotification (%d) request %p\n", 6289 ioc->name, EvSwitch, &evn)); 6290 6291 return mpt_handshake_req_reply_wait(ioc, sizeof(EventNotification_t), 6292 (u32 *)&evn, sizeof(MPIDefaultReply_t), (u16 *)&reply_buf, 30, 6293 sleepFlag); 6294 } 6295 6296 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6297 /** 6298 * SendEventAck - Send EventAck request to MPT adapter. 6299 * @ioc: Pointer to MPT_ADAPTER structure 6300 * @evnp: Pointer to original EventNotification request 6301 */ 6302 static int 6303 SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp) 6304 { 6305 EventAck_t *pAck; 6306 6307 if ((pAck = (EventAck_t *) mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) { 6308 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n", 6309 ioc->name, __func__)); 6310 return -1; 6311 } 6312 6313 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventAck\n", ioc->name)); 6314 6315 pAck->Function = MPI_FUNCTION_EVENT_ACK; 6316 pAck->ChainOffset = 0; 6317 pAck->Reserved[0] = pAck->Reserved[1] = 0; 6318 pAck->MsgFlags = 0; 6319 pAck->Reserved1[0] = pAck->Reserved1[1] = pAck->Reserved1[2] = 0; 6320 pAck->Event = evnp->Event; 6321 pAck->EventContext = evnp->EventContext; 6322 6323 mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)pAck); 6324 6325 return 0; 6326 } 6327 6328 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6329 /** 6330 * mpt_config - Generic function to issue config message 6331 * @ioc: Pointer to an adapter structure 6332 * @pCfg: Pointer to a configuration structure. Struct contains 6333 * action, page address, direction, physical address 6334 * and pointer to a configuration page header 6335 * Page header is updated. 6336 * 6337 * Returns 0 for success 6338 * -EAGAIN if no msg frames currently available 6339 * -EFAULT for non-successful reply or no reply (timeout) 6340 */ 6341 int 6342 mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg) 6343 { 6344 Config_t *pReq; 6345 ConfigReply_t *pReply; 6346 ConfigExtendedPageHeader_t *pExtHdr = NULL; 6347 MPT_FRAME_HDR *mf; 6348 int ii; 6349 int flagsLength; 6350 long timeout; 6351 int ret; 6352 u8 page_type = 0, extend_page; 6353 unsigned long timeleft; 6354 unsigned long flags; 6355 u8 issue_hard_reset = 0; 6356 u8 retry_count = 0; 6357 6358 might_sleep(); 6359 6360 /* don't send a config page during diag reset */ 6361 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 6362 if (ioc->ioc_reset_in_progress) { 6363 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6364 "%s: busy with host reset\n", ioc->name, __func__)); 6365 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 6366 return -EBUSY; 6367 } 6368 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 6369 6370 /* don't send if no chance of success */ 6371 if (!ioc->active || 6372 mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_OPERATIONAL) { 6373 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6374 "%s: ioc not operational, %d, %xh\n", 6375 ioc->name, __func__, ioc->active, 6376 mpt_GetIocState(ioc, 0))); 6377 return -EFAULT; 6378 } 6379 6380 retry_config: 6381 mutex_lock(&ioc->mptbase_cmds.mutex); 6382 /* init the internal cmd struct */ 6383 memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE); 6384 INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status) 6385 6386 /* Get and Populate a free Frame 6387 */ 6388 if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) { 6389 dcprintk(ioc, printk(MYIOC_s_WARN_FMT 6390 "mpt_config: no msg frames!\n", ioc->name)); 6391 ret = -EAGAIN; 6392 goto out; 6393 } 6394 6395 pReq = (Config_t *)mf; 6396 pReq->Action = pCfg->action; 6397 pReq->Reserved = 0; 6398 pReq->ChainOffset = 0; 6399 pReq->Function = MPI_FUNCTION_CONFIG; 6400 6401 /* Assume page type is not extended and clear "reserved" fields. */ 6402 pReq->ExtPageLength = 0; 6403 pReq->ExtPageType = 0; 6404 pReq->MsgFlags = 0; 6405 6406 for (ii=0; ii < 8; ii++) 6407 pReq->Reserved2[ii] = 0; 6408 6409 pReq->Header.PageVersion = pCfg->cfghdr.hdr->PageVersion; 6410 pReq->Header.PageLength = pCfg->cfghdr.hdr->PageLength; 6411 pReq->Header.PageNumber = pCfg->cfghdr.hdr->PageNumber; 6412 pReq->Header.PageType = (pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK); 6413 6414 if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) { 6415 pExtHdr = (ConfigExtendedPageHeader_t *)pCfg->cfghdr.ehdr; 6416 pReq->ExtPageLength = cpu_to_le16(pExtHdr->ExtPageLength); 6417 pReq->ExtPageType = pExtHdr->ExtPageType; 6418 pReq->Header.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 6419 6420 /* Page Length must be treated as a reserved field for the 6421 * extended header. 6422 */ 6423 pReq->Header.PageLength = 0; 6424 } 6425 6426 pReq->PageAddress = cpu_to_le32(pCfg->pageAddr); 6427 6428 /* Add a SGE to the config request. 6429 */ 6430 if (pCfg->dir) 6431 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE; 6432 else 6433 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ; 6434 6435 if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == 6436 MPI_CONFIG_PAGETYPE_EXTENDED) { 6437 flagsLength |= pExtHdr->ExtPageLength * 4; 6438 page_type = pReq->ExtPageType; 6439 extend_page = 1; 6440 } else { 6441 flagsLength |= pCfg->cfghdr.hdr->PageLength * 4; 6442 page_type = pReq->Header.PageType; 6443 extend_page = 0; 6444 } 6445 6446 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6447 "Sending Config request type 0x%x, page 0x%x and action %d\n", 6448 ioc->name, page_type, pReq->Header.PageNumber, pReq->Action)); 6449 6450 ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr); 6451 timeout = (pCfg->timeout < 15) ? HZ*15 : HZ*pCfg->timeout; 6452 mpt_put_msg_frame(mpt_base_index, ioc, mf); 6453 timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done, 6454 timeout); 6455 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 6456 ret = -ETIME; 6457 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6458 "Failed Sending Config request type 0x%x, page 0x%x," 6459 " action %d, status %xh, time left %ld\n\n", 6460 ioc->name, page_type, pReq->Header.PageNumber, 6461 pReq->Action, ioc->mptbase_cmds.status, timeleft)); 6462 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) 6463 goto out; 6464 if (!timeleft) { 6465 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 6466 if (ioc->ioc_reset_in_progress) { 6467 spin_unlock_irqrestore(&ioc->taskmgmt_lock, 6468 flags); 6469 printk(MYIOC_s_INFO_FMT "%s: host reset in" 6470 " progress mpt_config timed out.!!\n", 6471 __func__, ioc->name); 6472 mutex_unlock(&ioc->mptbase_cmds.mutex); 6473 return -EFAULT; 6474 } 6475 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 6476 issue_hard_reset = 1; 6477 } 6478 goto out; 6479 } 6480 6481 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { 6482 ret = -1; 6483 goto out; 6484 } 6485 pReply = (ConfigReply_t *)ioc->mptbase_cmds.reply; 6486 ret = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; 6487 if (ret == MPI_IOCSTATUS_SUCCESS) { 6488 if (extend_page) { 6489 pCfg->cfghdr.ehdr->ExtPageLength = 6490 le16_to_cpu(pReply->ExtPageLength); 6491 pCfg->cfghdr.ehdr->ExtPageType = 6492 pReply->ExtPageType; 6493 } 6494 pCfg->cfghdr.hdr->PageVersion = pReply->Header.PageVersion; 6495 pCfg->cfghdr.hdr->PageLength = pReply->Header.PageLength; 6496 pCfg->cfghdr.hdr->PageNumber = pReply->Header.PageNumber; 6497 pCfg->cfghdr.hdr->PageType = pReply->Header.PageType; 6498 6499 } 6500 6501 if (retry_count) 6502 printk(MYIOC_s_INFO_FMT "Retry completed " 6503 "ret=0x%x timeleft=%ld\n", 6504 ioc->name, ret, timeleft); 6505 6506 dcprintk(ioc, printk(KERN_DEBUG "IOCStatus=%04xh, IOCLogInfo=%08xh\n", 6507 ret, le32_to_cpu(pReply->IOCLogInfo))); 6508 6509 out: 6510 6511 CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status) 6512 mutex_unlock(&ioc->mptbase_cmds.mutex); 6513 if (issue_hard_reset) { 6514 issue_hard_reset = 0; 6515 printk(MYIOC_s_WARN_FMT 6516 "Issuing Reset from %s!!, doorbell=0x%08x\n", 6517 ioc->name, __func__, mpt_GetIocState(ioc, 0)); 6518 if (retry_count == 0) { 6519 if (mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP) != 0) 6520 retry_count++; 6521 } else 6522 mpt_HardResetHandler(ioc, CAN_SLEEP); 6523 6524 mpt_free_msg_frame(ioc, mf); 6525 /* attempt one retry for a timed out command */ 6526 if (retry_count < 2) { 6527 printk(MYIOC_s_INFO_FMT 6528 "Attempting Retry Config request" 6529 " type 0x%x, page 0x%x," 6530 " action %d\n", ioc->name, page_type, 6531 pCfg->cfghdr.hdr->PageNumber, pCfg->action); 6532 retry_count++; 6533 goto retry_config; 6534 } 6535 } 6536 return ret; 6537 6538 } 6539 6540 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6541 /** 6542 * mpt_ioc_reset - Base cleanup for hard reset 6543 * @ioc: Pointer to the adapter structure 6544 * @reset_phase: Indicates pre- or post-reset functionality 6545 * 6546 * Remark: Frees resources with internally generated commands. 6547 */ 6548 static int 6549 mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) 6550 { 6551 switch (reset_phase) { 6552 case MPT_IOC_SETUP_RESET: 6553 ioc->taskmgmt_quiesce_io = 1; 6554 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6555 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); 6556 break; 6557 case MPT_IOC_PRE_RESET: 6558 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6559 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); 6560 break; 6561 case MPT_IOC_POST_RESET: 6562 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6563 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); 6564 /* wake up mptbase_cmds */ 6565 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) { 6566 ioc->mptbase_cmds.status |= 6567 MPT_MGMT_STATUS_DID_IOCRESET; 6568 complete(&ioc->mptbase_cmds.done); 6569 } 6570 /* wake up taskmgmt_cmds */ 6571 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { 6572 ioc->taskmgmt_cmds.status |= 6573 MPT_MGMT_STATUS_DID_IOCRESET; 6574 complete(&ioc->taskmgmt_cmds.done); 6575 } 6576 break; 6577 default: 6578 break; 6579 } 6580 6581 return 1; /* currently means nothing really */ 6582 } 6583 6584 6585 #ifdef CONFIG_PROC_FS /* { */ 6586 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6587 /* 6588 * procfs (%MPT_PROCFS_MPTBASEDIR/...) support stuff... 6589 */ 6590 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6591 /** 6592 * procmpt_create - Create %MPT_PROCFS_MPTBASEDIR entries. 6593 * 6594 * Returns 0 for success, non-zero for failure. 6595 */ 6596 static int 6597 procmpt_create(void) 6598 { 6599 mpt_proc_root_dir = proc_mkdir(MPT_PROCFS_MPTBASEDIR, NULL); 6600 if (mpt_proc_root_dir == NULL) 6601 return -ENOTDIR; 6602 6603 proc_create_single("summary", S_IRUGO, mpt_proc_root_dir, 6604 mpt_summary_proc_show); 6605 proc_create_single("version", S_IRUGO, mpt_proc_root_dir, 6606 mpt_version_proc_show); 6607 return 0; 6608 } 6609 6610 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6611 /** 6612 * procmpt_destroy - Tear down %MPT_PROCFS_MPTBASEDIR entries. 6613 * 6614 * Returns 0 for success, non-zero for failure. 6615 */ 6616 static void 6617 procmpt_destroy(void) 6618 { 6619 remove_proc_entry("version", mpt_proc_root_dir); 6620 remove_proc_entry("summary", mpt_proc_root_dir); 6621 remove_proc_entry(MPT_PROCFS_MPTBASEDIR, NULL); 6622 } 6623 6624 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6625 /* 6626 * Handles read request from /proc/mpt/summary or /proc/mpt/iocN/summary. 6627 */ 6628 static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan); 6629 6630 static int mpt_summary_proc_show(struct seq_file *m, void *v) 6631 { 6632 MPT_ADAPTER *ioc = m->private; 6633 6634 if (ioc) { 6635 seq_mpt_print_ioc_summary(ioc, m, 1); 6636 } else { 6637 list_for_each_entry(ioc, &ioc_list, list) { 6638 seq_mpt_print_ioc_summary(ioc, m, 1); 6639 } 6640 } 6641 6642 return 0; 6643 } 6644 6645 static int mpt_version_proc_show(struct seq_file *m, void *v) 6646 { 6647 u8 cb_idx; 6648 int scsi, fc, sas, lan, ctl, targ, dmp; 6649 char *drvname; 6650 6651 seq_printf(m, "%s-%s\n", "mptlinux", MPT_LINUX_VERSION_COMMON); 6652 seq_printf(m, " Fusion MPT base driver\n"); 6653 6654 scsi = fc = sas = lan = ctl = targ = dmp = 0; 6655 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 6656 drvname = NULL; 6657 if (MptCallbacks[cb_idx]) { 6658 switch (MptDriverClass[cb_idx]) { 6659 case MPTSPI_DRIVER: 6660 if (!scsi++) drvname = "SPI host"; 6661 break; 6662 case MPTFC_DRIVER: 6663 if (!fc++) drvname = "FC host"; 6664 break; 6665 case MPTSAS_DRIVER: 6666 if (!sas++) drvname = "SAS host"; 6667 break; 6668 case MPTLAN_DRIVER: 6669 if (!lan++) drvname = "LAN"; 6670 break; 6671 case MPTSTM_DRIVER: 6672 if (!targ++) drvname = "SCSI target"; 6673 break; 6674 case MPTCTL_DRIVER: 6675 if (!ctl++) drvname = "ioctl"; 6676 break; 6677 } 6678 6679 if (drvname) 6680 seq_printf(m, " Fusion MPT %s driver\n", drvname); 6681 } 6682 } 6683 6684 return 0; 6685 } 6686 6687 static int mpt_iocinfo_proc_show(struct seq_file *m, void *v) 6688 { 6689 MPT_ADAPTER *ioc = m->private; 6690 char expVer[32]; 6691 int sz; 6692 int p; 6693 6694 mpt_get_fw_exp_ver(expVer, ioc); 6695 6696 seq_printf(m, "%s:", ioc->name); 6697 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT) 6698 seq_printf(m, " (f/w download boot flag set)"); 6699 // if (ioc->facts.IOCExceptions & MPI_IOCFACTS_EXCEPT_CONFIG_CHECKSUM_FAIL) 6700 // seq_printf(m, " CONFIG_CHECKSUM_FAIL!"); 6701 6702 seq_printf(m, "\n ProductID = 0x%04x (%s)\n", 6703 ioc->facts.ProductID, 6704 ioc->prod_name); 6705 seq_printf(m, " FWVersion = 0x%08x%s", ioc->facts.FWVersion.Word, expVer); 6706 if (ioc->facts.FWImageSize) 6707 seq_printf(m, " (fw_size=%d)", ioc->facts.FWImageSize); 6708 seq_printf(m, "\n MsgVersion = 0x%04x\n", ioc->facts.MsgVersion); 6709 seq_printf(m, " FirstWhoInit = 0x%02x\n", ioc->FirstWhoInit); 6710 seq_printf(m, " EventState = 0x%02x\n", ioc->facts.EventState); 6711 6712 seq_printf(m, " CurrentHostMfaHighAddr = 0x%08x\n", 6713 ioc->facts.CurrentHostMfaHighAddr); 6714 seq_printf(m, " CurrentSenseBufferHighAddr = 0x%08x\n", 6715 ioc->facts.CurrentSenseBufferHighAddr); 6716 6717 seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth); 6718 seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize); 6719 6720 seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", 6721 (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma); 6722 /* 6723 * Rounding UP to nearest 4-kB boundary here... 6724 */ 6725 sz = (ioc->req_sz * ioc->req_depth) + 128; 6726 sz = ((sz + 0x1000UL - 1UL) / 0x1000) * 0x1000; 6727 seq_printf(m, " {CurReqSz=%d} x {CurReqDepth=%d} = %d bytes ^= 0x%x\n", 6728 ioc->req_sz, ioc->req_depth, ioc->req_sz*ioc->req_depth, sz); 6729 seq_printf(m, " {MaxReqSz=%d} {MaxReqDepth=%d}\n", 6730 4*ioc->facts.RequestFrameSize, 6731 ioc->facts.GlobalCredits); 6732 6733 seq_printf(m, " Frames @ 0x%p (Dma @ 0x%p)\n", 6734 (void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma); 6735 sz = (ioc->reply_sz * ioc->reply_depth) + 128; 6736 seq_printf(m, " {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n", 6737 ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz); 6738 seq_printf(m, " {MaxRepSz=%d} {MaxRepDepth=%d}\n", 6739 ioc->facts.CurReplyFrameSize, 6740 ioc->facts.ReplyQueueDepth); 6741 6742 seq_printf(m, " MaxDevices = %d\n", 6743 (ioc->facts.MaxDevices==0) ? 255 : ioc->facts.MaxDevices); 6744 seq_printf(m, " MaxBuses = %d\n", ioc->facts.MaxBuses); 6745 6746 /* per-port info */ 6747 for (p=0; p < ioc->facts.NumberOfPorts; p++) { 6748 seq_printf(m, " PortNumber = %d (of %d)\n", 6749 p+1, 6750 ioc->facts.NumberOfPorts); 6751 if (ioc->bus_type == FC) { 6752 if (ioc->pfacts[p].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) { 6753 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow; 6754 seq_printf(m, " LanAddr = %pMR\n", a); 6755 } 6756 seq_printf(m, " WWN = %08X%08X:%08X%08X\n", 6757 ioc->fc_port_page0[p].WWNN.High, 6758 ioc->fc_port_page0[p].WWNN.Low, 6759 ioc->fc_port_page0[p].WWPN.High, 6760 ioc->fc_port_page0[p].WWPN.Low); 6761 } 6762 } 6763 6764 return 0; 6765 } 6766 #endif /* CONFIG_PROC_FS } */ 6767 6768 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6769 static void 6770 mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc) 6771 { 6772 buf[0] ='\0'; 6773 if ((ioc->facts.FWVersion.Word >> 24) == 0x0E) { 6774 sprintf(buf, " (Exp %02d%02d)", 6775 (ioc->facts.FWVersion.Word >> 16) & 0x00FF, /* Month */ 6776 (ioc->facts.FWVersion.Word >> 8) & 0x1F); /* Day */ 6777 6778 /* insider hack! */ 6779 if ((ioc->facts.FWVersion.Word >> 8) & 0x80) 6780 strcat(buf, " [MDBG]"); 6781 } 6782 } 6783 6784 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6785 /** 6786 * mpt_print_ioc_summary - Write ASCII summary of IOC to a buffer. 6787 * @ioc: Pointer to MPT_ADAPTER structure 6788 * @buffer: Pointer to buffer where IOC summary info should be written 6789 * @size: Pointer to number of bytes we wrote (set by this routine) 6790 * @len: Offset at which to start writing in buffer 6791 * @showlan: Display LAN stuff? 6792 * 6793 * This routine writes (english readable) ASCII text, which represents 6794 * a summary of IOC information, to a buffer. 6795 */ 6796 void 6797 mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int showlan) 6798 { 6799 char expVer[32]; 6800 int y; 6801 6802 mpt_get_fw_exp_ver(expVer, ioc); 6803 6804 /* 6805 * Shorter summary of attached ioc's... 6806 */ 6807 y = sprintf(buffer+len, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d", 6808 ioc->name, 6809 ioc->prod_name, 6810 MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */ 6811 ioc->facts.FWVersion.Word, 6812 expVer, 6813 ioc->facts.NumberOfPorts, 6814 ioc->req_depth); 6815 6816 if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) { 6817 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow; 6818 y += sprintf(buffer+len+y, ", LanAddr=%pMR", a); 6819 } 6820 6821 y += sprintf(buffer+len+y, ", IRQ=%d", ioc->pci_irq); 6822 6823 if (!ioc->active) 6824 y += sprintf(buffer+len+y, " (disabled)"); 6825 6826 y += sprintf(buffer+len+y, "\n"); 6827 6828 *size = y; 6829 } 6830 6831 #ifdef CONFIG_PROC_FS 6832 static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan) 6833 { 6834 char expVer[32]; 6835 6836 mpt_get_fw_exp_ver(expVer, ioc); 6837 6838 /* 6839 * Shorter summary of attached ioc's... 6840 */ 6841 seq_printf(m, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d", 6842 ioc->name, 6843 ioc->prod_name, 6844 MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */ 6845 ioc->facts.FWVersion.Word, 6846 expVer, 6847 ioc->facts.NumberOfPorts, 6848 ioc->req_depth); 6849 6850 if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) { 6851 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow; 6852 seq_printf(m, ", LanAddr=%pMR", a); 6853 } 6854 6855 seq_printf(m, ", IRQ=%d", ioc->pci_irq); 6856 6857 if (!ioc->active) 6858 seq_printf(m, " (disabled)"); 6859 6860 seq_putc(m, '\n'); 6861 } 6862 #endif 6863 6864 /** 6865 * mpt_set_taskmgmt_in_progress_flag - set flags associated with task management 6866 * @ioc: Pointer to MPT_ADAPTER structure 6867 * 6868 * Returns 0 for SUCCESS or -1 if FAILED. 6869 * 6870 * If -1 is return, then it was not possible to set the flags 6871 **/ 6872 int 6873 mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc) 6874 { 6875 unsigned long flags; 6876 int retval; 6877 6878 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 6879 if (ioc->ioc_reset_in_progress || ioc->taskmgmt_in_progress || 6880 (ioc->alt_ioc && ioc->alt_ioc->taskmgmt_in_progress)) { 6881 retval = -1; 6882 goto out; 6883 } 6884 retval = 0; 6885 ioc->taskmgmt_in_progress = 1; 6886 ioc->taskmgmt_quiesce_io = 1; 6887 if (ioc->alt_ioc) { 6888 ioc->alt_ioc->taskmgmt_in_progress = 1; 6889 ioc->alt_ioc->taskmgmt_quiesce_io = 1; 6890 } 6891 out: 6892 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 6893 return retval; 6894 } 6895 EXPORT_SYMBOL(mpt_set_taskmgmt_in_progress_flag); 6896 6897 /** 6898 * mpt_clear_taskmgmt_in_progress_flag - clear flags associated with task management 6899 * @ioc: Pointer to MPT_ADAPTER structure 6900 * 6901 **/ 6902 void 6903 mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc) 6904 { 6905 unsigned long flags; 6906 6907 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 6908 ioc->taskmgmt_in_progress = 0; 6909 ioc->taskmgmt_quiesce_io = 0; 6910 if (ioc->alt_ioc) { 6911 ioc->alt_ioc->taskmgmt_in_progress = 0; 6912 ioc->alt_ioc->taskmgmt_quiesce_io = 0; 6913 } 6914 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 6915 } 6916 EXPORT_SYMBOL(mpt_clear_taskmgmt_in_progress_flag); 6917 6918 6919 /** 6920 * mpt_halt_firmware - Halts the firmware if it is operational and panic 6921 * the kernel 6922 * @ioc: Pointer to MPT_ADAPTER structure 6923 * 6924 **/ 6925 void 6926 mpt_halt_firmware(MPT_ADAPTER *ioc) 6927 { 6928 u32 ioc_raw_state; 6929 6930 ioc_raw_state = mpt_GetIocState(ioc, 0); 6931 6932 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) { 6933 printk(MYIOC_s_ERR_FMT "IOC is in FAULT state (%04xh)!!!\n", 6934 ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK); 6935 panic("%s: IOC Fault (%04xh)!!!\n", ioc->name, 6936 ioc_raw_state & MPI_DOORBELL_DATA_MASK); 6937 } else { 6938 CHIPREG_WRITE32(&ioc->chip->Doorbell, 0xC0FFEE00); 6939 panic("%s: Firmware is halted due to command timeout\n", 6940 ioc->name); 6941 } 6942 } 6943 EXPORT_SYMBOL(mpt_halt_firmware); 6944 6945 /** 6946 * mpt_SoftResetHandler - Issues a less expensive reset 6947 * @ioc: Pointer to MPT_ADAPTER structure 6948 * @sleepFlag: Indicates if sleep or schedule must be called. 6949 * 6950 * Returns 0 for SUCCESS or -1 if FAILED. 6951 * 6952 * Message Unit Reset - instructs the IOC to reset the Reply Post and 6953 * Free FIFO's. All the Message Frames on Reply Free FIFO are discarded. 6954 * All posted buffers are freed, and event notification is turned off. 6955 * IOC doesn't reply to any outstanding request. This will transfer IOC 6956 * to READY state. 6957 **/ 6958 static int 6959 mpt_SoftResetHandler(MPT_ADAPTER *ioc, int sleepFlag) 6960 { 6961 int rc; 6962 int ii; 6963 u8 cb_idx; 6964 unsigned long flags; 6965 u32 ioc_state; 6966 unsigned long time_count; 6967 6968 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SoftResetHandler Entered!\n", 6969 ioc->name)); 6970 6971 ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK; 6972 6973 if (mpt_fwfault_debug) 6974 mpt_halt_firmware(ioc); 6975 6976 if (ioc_state == MPI_IOC_STATE_FAULT || 6977 ioc_state == MPI_IOC_STATE_RESET) { 6978 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6979 "skipping, either in FAULT or RESET state!\n", ioc->name)); 6980 return -1; 6981 } 6982 6983 if (ioc->bus_type == FC) { 6984 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6985 "skipping, because the bus type is FC!\n", ioc->name)); 6986 return -1; 6987 } 6988 6989 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 6990 if (ioc->ioc_reset_in_progress) { 6991 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 6992 return -1; 6993 } 6994 ioc->ioc_reset_in_progress = 1; 6995 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 6996 6997 rc = -1; 6998 6999 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 7000 if (MptResetHandlers[cb_idx]) 7001 mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET); 7002 } 7003 7004 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 7005 if (ioc->taskmgmt_in_progress) { 7006 ioc->ioc_reset_in_progress = 0; 7007 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7008 return -1; 7009 } 7010 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7011 /* Disable reply interrupts (also blocks FreeQ) */ 7012 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); 7013 ioc->active = 0; 7014 time_count = jiffies; 7015 7016 rc = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag); 7017 7018 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 7019 if (MptResetHandlers[cb_idx]) 7020 mpt_signal_reset(cb_idx, ioc, MPT_IOC_PRE_RESET); 7021 } 7022 7023 if (rc) 7024 goto out; 7025 7026 ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK; 7027 if (ioc_state != MPI_IOC_STATE_READY) 7028 goto out; 7029 7030 for (ii = 0; ii < 5; ii++) { 7031 /* Get IOC facts! Allow 5 retries */ 7032 rc = GetIocFacts(ioc, sleepFlag, 7033 MPT_HOSTEVENT_IOC_RECOVER); 7034 if (rc == 0) 7035 break; 7036 if (sleepFlag == CAN_SLEEP) 7037 msleep(100); 7038 else 7039 mdelay(100); 7040 } 7041 if (ii == 5) 7042 goto out; 7043 7044 rc = PrimeIocFifos(ioc); 7045 if (rc != 0) 7046 goto out; 7047 7048 rc = SendIocInit(ioc, sleepFlag); 7049 if (rc != 0) 7050 goto out; 7051 7052 rc = SendEventNotification(ioc, 1, sleepFlag); 7053 if (rc != 0) 7054 goto out; 7055 7056 if (ioc->hard_resets < -1) 7057 ioc->hard_resets++; 7058 7059 /* 7060 * At this point, we know soft reset succeeded. 7061 */ 7062 7063 ioc->active = 1; 7064 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM); 7065 7066 out: 7067 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 7068 ioc->ioc_reset_in_progress = 0; 7069 ioc->taskmgmt_quiesce_io = 0; 7070 ioc->taskmgmt_in_progress = 0; 7071 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7072 7073 if (ioc->active) { /* otherwise, hard reset coming */ 7074 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 7075 if (MptResetHandlers[cb_idx]) 7076 mpt_signal_reset(cb_idx, ioc, 7077 MPT_IOC_POST_RESET); 7078 } 7079 } 7080 7081 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 7082 "SoftResetHandler: completed (%d seconds): %s\n", 7083 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000, 7084 ((rc == 0) ? "SUCCESS" : "FAILED"))); 7085 7086 return rc; 7087 } 7088 7089 /** 7090 * mpt_Soft_Hard_ResetHandler - Try less expensive reset 7091 * @ioc: Pointer to MPT_ADAPTER structure 7092 * @sleepFlag: Indicates if sleep or schedule must be called. 7093 * 7094 * Returns 0 for SUCCESS or -1 if FAILED. 7095 * Try for softreset first, only if it fails go for expensive 7096 * HardReset. 7097 **/ 7098 int 7099 mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag) { 7100 int ret = -1; 7101 7102 ret = mpt_SoftResetHandler(ioc, sleepFlag); 7103 if (ret == 0) 7104 return ret; 7105 ret = mpt_HardResetHandler(ioc, sleepFlag); 7106 return ret; 7107 } 7108 EXPORT_SYMBOL(mpt_Soft_Hard_ResetHandler); 7109 7110 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 7111 /* 7112 * Reset Handling 7113 */ 7114 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 7115 /** 7116 * mpt_HardResetHandler - Generic reset handler 7117 * @ioc: Pointer to MPT_ADAPTER structure 7118 * @sleepFlag: Indicates if sleep or schedule must be called. 7119 * 7120 * Issues SCSI Task Management call based on input arg values. 7121 * If TaskMgmt fails, returns associated SCSI request. 7122 * 7123 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer) 7124 * or a non-interrupt thread. In the former, must not call schedule(). 7125 * 7126 * Note: A return of -1 is a FATAL error case, as it means a 7127 * FW reload/initialization failed. 7128 * 7129 * Returns 0 for SUCCESS or -1 if FAILED. 7130 */ 7131 int 7132 mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag) 7133 { 7134 int rc; 7135 u8 cb_idx; 7136 unsigned long flags; 7137 unsigned long time_count; 7138 7139 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler Entered!\n", ioc->name)); 7140 #ifdef MFCNT 7141 printk(MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name); 7142 printk("MF count 0x%x !\n", ioc->mfcnt); 7143 #endif 7144 if (mpt_fwfault_debug) 7145 mpt_halt_firmware(ioc); 7146 7147 /* Reset the adapter. Prevent more than 1 call to 7148 * mpt_do_ioc_recovery at any instant in time. 7149 */ 7150 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 7151 if (ioc->ioc_reset_in_progress) { 7152 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7153 ioc->wait_on_reset_completion = 1; 7154 do { 7155 ssleep(1); 7156 } while (ioc->ioc_reset_in_progress == 1); 7157 ioc->wait_on_reset_completion = 0; 7158 return ioc->reset_status; 7159 } 7160 if (ioc->wait_on_reset_completion) { 7161 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7162 rc = 0; 7163 time_count = jiffies; 7164 goto exit; 7165 } 7166 ioc->ioc_reset_in_progress = 1; 7167 if (ioc->alt_ioc) 7168 ioc->alt_ioc->ioc_reset_in_progress = 1; 7169 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7170 7171 7172 /* The SCSI driver needs to adjust timeouts on all current 7173 * commands prior to the diagnostic reset being issued. 7174 * Prevents timeouts occurring during a diagnostic reset...very bad. 7175 * For all other protocol drivers, this is a no-op. 7176 */ 7177 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 7178 if (MptResetHandlers[cb_idx]) { 7179 mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET); 7180 if (ioc->alt_ioc) 7181 mpt_signal_reset(cb_idx, ioc->alt_ioc, 7182 MPT_IOC_SETUP_RESET); 7183 } 7184 } 7185 7186 time_count = jiffies; 7187 rc = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_RECOVER, sleepFlag); 7188 if (rc != 0) { 7189 printk(KERN_WARNING MYNAM 7190 ": WARNING - (%d) Cannot recover %s, doorbell=0x%08x\n", 7191 rc, ioc->name, mpt_GetIocState(ioc, 0)); 7192 } else { 7193 if (ioc->hard_resets < -1) 7194 ioc->hard_resets++; 7195 } 7196 7197 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 7198 ioc->ioc_reset_in_progress = 0; 7199 ioc->taskmgmt_quiesce_io = 0; 7200 ioc->taskmgmt_in_progress = 0; 7201 ioc->reset_status = rc; 7202 if (ioc->alt_ioc) { 7203 ioc->alt_ioc->ioc_reset_in_progress = 0; 7204 ioc->alt_ioc->taskmgmt_quiesce_io = 0; 7205 ioc->alt_ioc->taskmgmt_in_progress = 0; 7206 } 7207 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7208 7209 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 7210 if (MptResetHandlers[cb_idx]) { 7211 mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET); 7212 if (ioc->alt_ioc) 7213 mpt_signal_reset(cb_idx, 7214 ioc->alt_ioc, MPT_IOC_POST_RESET); 7215 } 7216 } 7217 exit: 7218 dtmprintk(ioc, 7219 printk(MYIOC_s_DEBUG_FMT 7220 "HardResetHandler: completed (%d seconds): %s\n", ioc->name, 7221 jiffies_to_msecs(jiffies - time_count)/1000, ((rc == 0) ? 7222 "SUCCESS" : "FAILED"))); 7223 7224 return rc; 7225 } 7226 7227 #ifdef CONFIG_FUSION_LOGGING 7228 static void 7229 mpt_display_event_info(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply) 7230 { 7231 char *ds = NULL; 7232 u32 evData0; 7233 int ii; 7234 u8 event; 7235 char *evStr = ioc->evStr; 7236 7237 event = le32_to_cpu(pEventReply->Event) & 0xFF; 7238 evData0 = le32_to_cpu(pEventReply->Data[0]); 7239 7240 switch(event) { 7241 case MPI_EVENT_NONE: 7242 ds = "None"; 7243 break; 7244 case MPI_EVENT_LOG_DATA: 7245 ds = "Log Data"; 7246 break; 7247 case MPI_EVENT_STATE_CHANGE: 7248 ds = "State Change"; 7249 break; 7250 case MPI_EVENT_UNIT_ATTENTION: 7251 ds = "Unit Attention"; 7252 break; 7253 case MPI_EVENT_IOC_BUS_RESET: 7254 ds = "IOC Bus Reset"; 7255 break; 7256 case MPI_EVENT_EXT_BUS_RESET: 7257 ds = "External Bus Reset"; 7258 break; 7259 case MPI_EVENT_RESCAN: 7260 ds = "Bus Rescan Event"; 7261 break; 7262 case MPI_EVENT_LINK_STATUS_CHANGE: 7263 if (evData0 == MPI_EVENT_LINK_STATUS_FAILURE) 7264 ds = "Link Status(FAILURE) Change"; 7265 else 7266 ds = "Link Status(ACTIVE) Change"; 7267 break; 7268 case MPI_EVENT_LOOP_STATE_CHANGE: 7269 if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LIP) 7270 ds = "Loop State(LIP) Change"; 7271 else if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LPE) 7272 ds = "Loop State(LPE) Change"; 7273 else 7274 ds = "Loop State(LPB) Change"; 7275 break; 7276 case MPI_EVENT_LOGOUT: 7277 ds = "Logout"; 7278 break; 7279 case MPI_EVENT_EVENT_CHANGE: 7280 if (evData0) 7281 ds = "Events ON"; 7282 else 7283 ds = "Events OFF"; 7284 break; 7285 case MPI_EVENT_INTEGRATED_RAID: 7286 { 7287 u8 ReasonCode = (u8)(evData0 >> 16); 7288 switch (ReasonCode) { 7289 case MPI_EVENT_RAID_RC_VOLUME_CREATED : 7290 ds = "Integrated Raid: Volume Created"; 7291 break; 7292 case MPI_EVENT_RAID_RC_VOLUME_DELETED : 7293 ds = "Integrated Raid: Volume Deleted"; 7294 break; 7295 case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED : 7296 ds = "Integrated Raid: Volume Settings Changed"; 7297 break; 7298 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED : 7299 ds = "Integrated Raid: Volume Status Changed"; 7300 break; 7301 case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED : 7302 ds = "Integrated Raid: Volume Physdisk Changed"; 7303 break; 7304 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED : 7305 ds = "Integrated Raid: Physdisk Created"; 7306 break; 7307 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED : 7308 ds = "Integrated Raid: Physdisk Deleted"; 7309 break; 7310 case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED : 7311 ds = "Integrated Raid: Physdisk Settings Changed"; 7312 break; 7313 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED : 7314 ds = "Integrated Raid: Physdisk Status Changed"; 7315 break; 7316 case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED : 7317 ds = "Integrated Raid: Domain Validation Needed"; 7318 break; 7319 case MPI_EVENT_RAID_RC_SMART_DATA : 7320 ds = "Integrated Raid; Smart Data"; 7321 break; 7322 case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED : 7323 ds = "Integrated Raid: Replace Action Started"; 7324 break; 7325 default: 7326 ds = "Integrated Raid"; 7327 break; 7328 } 7329 break; 7330 } 7331 case MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE: 7332 ds = "SCSI Device Status Change"; 7333 break; 7334 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 7335 { 7336 u8 id = (u8)(evData0); 7337 u8 channel = (u8)(evData0 >> 8); 7338 u8 ReasonCode = (u8)(evData0 >> 16); 7339 switch (ReasonCode) { 7340 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: 7341 snprintf(evStr, EVENT_DESCR_STR_SZ, 7342 "SAS Device Status Change: Added: " 7343 "id=%d channel=%d", id, channel); 7344 break; 7345 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: 7346 snprintf(evStr, EVENT_DESCR_STR_SZ, 7347 "SAS Device Status Change: Deleted: " 7348 "id=%d channel=%d", id, channel); 7349 break; 7350 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA: 7351 snprintf(evStr, EVENT_DESCR_STR_SZ, 7352 "SAS Device Status Change: SMART Data: " 7353 "id=%d channel=%d", id, channel); 7354 break; 7355 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED: 7356 snprintf(evStr, EVENT_DESCR_STR_SZ, 7357 "SAS Device Status Change: No Persistency: " 7358 "id=%d channel=%d", id, channel); 7359 break; 7360 case MPI_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: 7361 snprintf(evStr, EVENT_DESCR_STR_SZ, 7362 "SAS Device Status Change: Unsupported Device " 7363 "Discovered : id=%d channel=%d", id, channel); 7364 break; 7365 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: 7366 snprintf(evStr, EVENT_DESCR_STR_SZ, 7367 "SAS Device Status Change: Internal Device " 7368 "Reset : id=%d channel=%d", id, channel); 7369 break; 7370 case MPI_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: 7371 snprintf(evStr, EVENT_DESCR_STR_SZ, 7372 "SAS Device Status Change: Internal Task " 7373 "Abort : id=%d channel=%d", id, channel); 7374 break; 7375 case MPI_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: 7376 snprintf(evStr, EVENT_DESCR_STR_SZ, 7377 "SAS Device Status Change: Internal Abort " 7378 "Task Set : id=%d channel=%d", id, channel); 7379 break; 7380 case MPI_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: 7381 snprintf(evStr, EVENT_DESCR_STR_SZ, 7382 "SAS Device Status Change: Internal Clear " 7383 "Task Set : id=%d channel=%d", id, channel); 7384 break; 7385 case MPI_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: 7386 snprintf(evStr, EVENT_DESCR_STR_SZ, 7387 "SAS Device Status Change: Internal Query " 7388 "Task : id=%d channel=%d", id, channel); 7389 break; 7390 default: 7391 snprintf(evStr, EVENT_DESCR_STR_SZ, 7392 "SAS Device Status Change: Unknown: " 7393 "id=%d channel=%d", id, channel); 7394 break; 7395 } 7396 break; 7397 } 7398 case MPI_EVENT_ON_BUS_TIMER_EXPIRED: 7399 ds = "Bus Timer Expired"; 7400 break; 7401 case MPI_EVENT_QUEUE_FULL: 7402 { 7403 u16 curr_depth = (u16)(evData0 >> 16); 7404 u8 channel = (u8)(evData0 >> 8); 7405 u8 id = (u8)(evData0); 7406 7407 snprintf(evStr, EVENT_DESCR_STR_SZ, 7408 "Queue Full: channel=%d id=%d depth=%d", 7409 channel, id, curr_depth); 7410 break; 7411 } 7412 case MPI_EVENT_SAS_SES: 7413 ds = "SAS SES Event"; 7414 break; 7415 case MPI_EVENT_PERSISTENT_TABLE_FULL: 7416 ds = "Persistent Table Full"; 7417 break; 7418 case MPI_EVENT_SAS_PHY_LINK_STATUS: 7419 { 7420 u8 LinkRates = (u8)(evData0 >> 8); 7421 u8 PhyNumber = (u8)(evData0); 7422 LinkRates = (LinkRates & MPI_EVENT_SAS_PLS_LR_CURRENT_MASK) >> 7423 MPI_EVENT_SAS_PLS_LR_CURRENT_SHIFT; 7424 switch (LinkRates) { 7425 case MPI_EVENT_SAS_PLS_LR_RATE_UNKNOWN: 7426 snprintf(evStr, EVENT_DESCR_STR_SZ, 7427 "SAS PHY Link Status: Phy=%d:" 7428 " Rate Unknown",PhyNumber); 7429 break; 7430 case MPI_EVENT_SAS_PLS_LR_RATE_PHY_DISABLED: 7431 snprintf(evStr, EVENT_DESCR_STR_SZ, 7432 "SAS PHY Link Status: Phy=%d:" 7433 " Phy Disabled",PhyNumber); 7434 break; 7435 case MPI_EVENT_SAS_PLS_LR_RATE_FAILED_SPEED_NEGOTIATION: 7436 snprintf(evStr, EVENT_DESCR_STR_SZ, 7437 "SAS PHY Link Status: Phy=%d:" 7438 " Failed Speed Nego",PhyNumber); 7439 break; 7440 case MPI_EVENT_SAS_PLS_LR_RATE_SATA_OOB_COMPLETE: 7441 snprintf(evStr, EVENT_DESCR_STR_SZ, 7442 "SAS PHY Link Status: Phy=%d:" 7443 " Sata OOB Completed",PhyNumber); 7444 break; 7445 case MPI_EVENT_SAS_PLS_LR_RATE_1_5: 7446 snprintf(evStr, EVENT_DESCR_STR_SZ, 7447 "SAS PHY Link Status: Phy=%d:" 7448 " Rate 1.5 Gbps",PhyNumber); 7449 break; 7450 case MPI_EVENT_SAS_PLS_LR_RATE_3_0: 7451 snprintf(evStr, EVENT_DESCR_STR_SZ, 7452 "SAS PHY Link Status: Phy=%d:" 7453 " Rate 3.0 Gbps", PhyNumber); 7454 break; 7455 case MPI_EVENT_SAS_PLS_LR_RATE_6_0: 7456 snprintf(evStr, EVENT_DESCR_STR_SZ, 7457 "SAS PHY Link Status: Phy=%d:" 7458 " Rate 6.0 Gbps", PhyNumber); 7459 break; 7460 default: 7461 snprintf(evStr, EVENT_DESCR_STR_SZ, 7462 "SAS PHY Link Status: Phy=%d", PhyNumber); 7463 break; 7464 } 7465 break; 7466 } 7467 case MPI_EVENT_SAS_DISCOVERY_ERROR: 7468 ds = "SAS Discovery Error"; 7469 break; 7470 case MPI_EVENT_IR_RESYNC_UPDATE: 7471 { 7472 u8 resync_complete = (u8)(evData0 >> 16); 7473 snprintf(evStr, EVENT_DESCR_STR_SZ, 7474 "IR Resync Update: Complete = %d:",resync_complete); 7475 break; 7476 } 7477 case MPI_EVENT_IR2: 7478 { 7479 u8 id = (u8)(evData0); 7480 u8 channel = (u8)(evData0 >> 8); 7481 u8 phys_num = (u8)(evData0 >> 24); 7482 u8 ReasonCode = (u8)(evData0 >> 16); 7483 7484 switch (ReasonCode) { 7485 case MPI_EVENT_IR2_RC_LD_STATE_CHANGED: 7486 snprintf(evStr, EVENT_DESCR_STR_SZ, 7487 "IR2: LD State Changed: " 7488 "id=%d channel=%d phys_num=%d", 7489 id, channel, phys_num); 7490 break; 7491 case MPI_EVENT_IR2_RC_PD_STATE_CHANGED: 7492 snprintf(evStr, EVENT_DESCR_STR_SZ, 7493 "IR2: PD State Changed " 7494 "id=%d channel=%d phys_num=%d", 7495 id, channel, phys_num); 7496 break; 7497 case MPI_EVENT_IR2_RC_BAD_BLOCK_TABLE_FULL: 7498 snprintf(evStr, EVENT_DESCR_STR_SZ, 7499 "IR2: Bad Block Table Full: " 7500 "id=%d channel=%d phys_num=%d", 7501 id, channel, phys_num); 7502 break; 7503 case MPI_EVENT_IR2_RC_PD_INSERTED: 7504 snprintf(evStr, EVENT_DESCR_STR_SZ, 7505 "IR2: PD Inserted: " 7506 "id=%d channel=%d phys_num=%d", 7507 id, channel, phys_num); 7508 break; 7509 case MPI_EVENT_IR2_RC_PD_REMOVED: 7510 snprintf(evStr, EVENT_DESCR_STR_SZ, 7511 "IR2: PD Removed: " 7512 "id=%d channel=%d phys_num=%d", 7513 id, channel, phys_num); 7514 break; 7515 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED: 7516 snprintf(evStr, EVENT_DESCR_STR_SZ, 7517 "IR2: Foreign CFG Detected: " 7518 "id=%d channel=%d phys_num=%d", 7519 id, channel, phys_num); 7520 break; 7521 case MPI_EVENT_IR2_RC_REBUILD_MEDIUM_ERROR: 7522 snprintf(evStr, EVENT_DESCR_STR_SZ, 7523 "IR2: Rebuild Medium Error: " 7524 "id=%d channel=%d phys_num=%d", 7525 id, channel, phys_num); 7526 break; 7527 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED: 7528 snprintf(evStr, EVENT_DESCR_STR_SZ, 7529 "IR2: Dual Port Added: " 7530 "id=%d channel=%d phys_num=%d", 7531 id, channel, phys_num); 7532 break; 7533 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED: 7534 snprintf(evStr, EVENT_DESCR_STR_SZ, 7535 "IR2: Dual Port Removed: " 7536 "id=%d channel=%d phys_num=%d", 7537 id, channel, phys_num); 7538 break; 7539 default: 7540 ds = "IR2"; 7541 break; 7542 } 7543 break; 7544 } 7545 case MPI_EVENT_SAS_DISCOVERY: 7546 { 7547 if (evData0) 7548 ds = "SAS Discovery: Start"; 7549 else 7550 ds = "SAS Discovery: Stop"; 7551 break; 7552 } 7553 case MPI_EVENT_LOG_ENTRY_ADDED: 7554 ds = "SAS Log Entry Added"; 7555 break; 7556 7557 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE: 7558 { 7559 u8 phy_num = (u8)(evData0); 7560 u8 port_num = (u8)(evData0 >> 8); 7561 u8 port_width = (u8)(evData0 >> 16); 7562 u8 primitive = (u8)(evData0 >> 24); 7563 snprintf(evStr, EVENT_DESCR_STR_SZ, 7564 "SAS Broadcast Primitive: phy=%d port=%d " 7565 "width=%d primitive=0x%02x", 7566 phy_num, port_num, port_width, primitive); 7567 break; 7568 } 7569 7570 case MPI_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: 7571 { 7572 u8 reason = (u8)(evData0); 7573 7574 switch (reason) { 7575 case MPI_EVENT_SAS_INIT_RC_ADDED: 7576 ds = "SAS Initiator Status Change: Added"; 7577 break; 7578 case MPI_EVENT_SAS_INIT_RC_REMOVED: 7579 ds = "SAS Initiator Status Change: Deleted"; 7580 break; 7581 default: 7582 ds = "SAS Initiator Status Change"; 7583 break; 7584 } 7585 break; 7586 } 7587 7588 case MPI_EVENT_SAS_INIT_TABLE_OVERFLOW: 7589 { 7590 u8 max_init = (u8)(evData0); 7591 u8 current_init = (u8)(evData0 >> 8); 7592 7593 snprintf(evStr, EVENT_DESCR_STR_SZ, 7594 "SAS Initiator Device Table Overflow: max initiators=%02d " 7595 "current initiators=%02d", 7596 max_init, current_init); 7597 break; 7598 } 7599 case MPI_EVENT_SAS_SMP_ERROR: 7600 { 7601 u8 status = (u8)(evData0); 7602 u8 port_num = (u8)(evData0 >> 8); 7603 u8 result = (u8)(evData0 >> 16); 7604 7605 if (status == MPI_EVENT_SAS_SMP_FUNCTION_RESULT_VALID) 7606 snprintf(evStr, EVENT_DESCR_STR_SZ, 7607 "SAS SMP Error: port=%d result=0x%02x", 7608 port_num, result); 7609 else if (status == MPI_EVENT_SAS_SMP_CRC_ERROR) 7610 snprintf(evStr, EVENT_DESCR_STR_SZ, 7611 "SAS SMP Error: port=%d : CRC Error", 7612 port_num); 7613 else if (status == MPI_EVENT_SAS_SMP_TIMEOUT) 7614 snprintf(evStr, EVENT_DESCR_STR_SZ, 7615 "SAS SMP Error: port=%d : Timeout", 7616 port_num); 7617 else if (status == MPI_EVENT_SAS_SMP_NO_DESTINATION) 7618 snprintf(evStr, EVENT_DESCR_STR_SZ, 7619 "SAS SMP Error: port=%d : No Destination", 7620 port_num); 7621 else if (status == MPI_EVENT_SAS_SMP_BAD_DESTINATION) 7622 snprintf(evStr, EVENT_DESCR_STR_SZ, 7623 "SAS SMP Error: port=%d : Bad Destination", 7624 port_num); 7625 else 7626 snprintf(evStr, EVENT_DESCR_STR_SZ, 7627 "SAS SMP Error: port=%d : status=0x%02x", 7628 port_num, status); 7629 break; 7630 } 7631 7632 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE: 7633 { 7634 u8 reason = (u8)(evData0); 7635 7636 switch (reason) { 7637 case MPI_EVENT_SAS_EXP_RC_ADDED: 7638 ds = "Expander Status Change: Added"; 7639 break; 7640 case MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING: 7641 ds = "Expander Status Change: Deleted"; 7642 break; 7643 default: 7644 ds = "Expander Status Change"; 7645 break; 7646 } 7647 break; 7648 } 7649 7650 /* 7651 * MPT base "custom" events may be added here... 7652 */ 7653 default: 7654 ds = "Unknown"; 7655 break; 7656 } 7657 if (ds) 7658 strlcpy(evStr, ds, EVENT_DESCR_STR_SZ); 7659 7660 7661 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 7662 "MPT event:(%02Xh) : %s\n", 7663 ioc->name, event, evStr)); 7664 7665 devtverboseprintk(ioc, printk(KERN_DEBUG MYNAM 7666 ": Event data:\n")); 7667 for (ii = 0; ii < le16_to_cpu(pEventReply->EventDataLength); ii++) 7668 devtverboseprintk(ioc, printk(" %08x", 7669 le32_to_cpu(pEventReply->Data[ii]))); 7670 devtverboseprintk(ioc, printk(KERN_DEBUG "\n")); 7671 } 7672 #endif 7673 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 7674 /** 7675 * ProcessEventNotification - Route EventNotificationReply to all event handlers 7676 * @ioc: Pointer to MPT_ADAPTER structure 7677 * @pEventReply: Pointer to EventNotification reply frame 7678 * @evHandlers: Pointer to integer, number of event handlers 7679 * 7680 * Routes a received EventNotificationReply to all currently registered 7681 * event handlers. 7682 * Returns sum of event handlers return values. 7683 */ 7684 static int 7685 ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply, int *evHandlers) 7686 { 7687 u16 evDataLen; 7688 u32 evData0 = 0; 7689 int ii; 7690 u8 cb_idx; 7691 int r = 0; 7692 int handlers = 0; 7693 u8 event; 7694 7695 /* 7696 * Do platform normalization of values 7697 */ 7698 event = le32_to_cpu(pEventReply->Event) & 0xFF; 7699 evDataLen = le16_to_cpu(pEventReply->EventDataLength); 7700 if (evDataLen) { 7701 evData0 = le32_to_cpu(pEventReply->Data[0]); 7702 } 7703 7704 #ifdef CONFIG_FUSION_LOGGING 7705 if (evDataLen) 7706 mpt_display_event_info(ioc, pEventReply); 7707 #endif 7708 7709 /* 7710 * Do general / base driver event processing 7711 */ 7712 switch(event) { 7713 case MPI_EVENT_EVENT_CHANGE: /* 0A */ 7714 if (evDataLen) { 7715 u8 evState = evData0 & 0xFF; 7716 7717 /* CHECKME! What if evState unexpectedly says OFF (0)? */ 7718 7719 /* Update EventState field in cached IocFacts */ 7720 if (ioc->facts.Function) { 7721 ioc->facts.EventState = evState; 7722 } 7723 } 7724 break; 7725 case MPI_EVENT_INTEGRATED_RAID: 7726 mptbase_raid_process_event_data(ioc, 7727 (MpiEventDataRaid_t *)pEventReply->Data); 7728 break; 7729 default: 7730 break; 7731 } 7732 7733 /* 7734 * Should this event be logged? Events are written sequentially. 7735 * When buffer is full, start again at the top. 7736 */ 7737 if (ioc->events && (ioc->eventTypes & ( 1 << event))) { 7738 int idx; 7739 7740 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE; 7741 7742 ioc->events[idx].event = event; 7743 ioc->events[idx].eventContext = ioc->eventContext; 7744 7745 for (ii = 0; ii < 2; ii++) { 7746 if (ii < evDataLen) 7747 ioc->events[idx].data[ii] = le32_to_cpu(pEventReply->Data[ii]); 7748 else 7749 ioc->events[idx].data[ii] = 0; 7750 } 7751 7752 ioc->eventContext++; 7753 } 7754 7755 7756 /* 7757 * Call each currently registered protocol event handler. 7758 */ 7759 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 7760 if (MptEvHandlers[cb_idx]) { 7761 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 7762 "Routing Event to event handler #%d\n", 7763 ioc->name, cb_idx)); 7764 r += (*(MptEvHandlers[cb_idx]))(ioc, pEventReply); 7765 handlers++; 7766 } 7767 } 7768 /* FIXME? Examine results here? */ 7769 7770 /* 7771 * If needed, send (a single) EventAck. 7772 */ 7773 if (pEventReply->AckRequired == MPI_EVENT_NOTIFICATION_ACK_REQUIRED) { 7774 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 7775 "EventAck required\n",ioc->name)); 7776 if ((ii = SendEventAck(ioc, pEventReply)) != 0) { 7777 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SendEventAck returned %d\n", 7778 ioc->name, ii)); 7779 } 7780 } 7781 7782 *evHandlers = handlers; 7783 return r; 7784 } 7785 7786 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 7787 /** 7788 * mpt_fc_log_info - Log information returned from Fibre Channel IOC. 7789 * @ioc: Pointer to MPT_ADAPTER structure 7790 * @log_info: U32 LogInfo reply word from the IOC 7791 * 7792 * Refer to lsi/mpi_log_fc.h. 7793 */ 7794 static void 7795 mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info) 7796 { 7797 char *desc = "unknown"; 7798 7799 switch (log_info & 0xFF000000) { 7800 case MPI_IOCLOGINFO_FC_INIT_BASE: 7801 desc = "FCP Initiator"; 7802 break; 7803 case MPI_IOCLOGINFO_FC_TARGET_BASE: 7804 desc = "FCP Target"; 7805 break; 7806 case MPI_IOCLOGINFO_FC_LAN_BASE: 7807 desc = "LAN"; 7808 break; 7809 case MPI_IOCLOGINFO_FC_MSG_BASE: 7810 desc = "MPI Message Layer"; 7811 break; 7812 case MPI_IOCLOGINFO_FC_LINK_BASE: 7813 desc = "FC Link"; 7814 break; 7815 case MPI_IOCLOGINFO_FC_CTX_BASE: 7816 desc = "Context Manager"; 7817 break; 7818 case MPI_IOCLOGINFO_FC_INVALID_FIELD_BYTE_OFFSET: 7819 desc = "Invalid Field Offset"; 7820 break; 7821 case MPI_IOCLOGINFO_FC_STATE_CHANGE: 7822 desc = "State Change Info"; 7823 break; 7824 } 7825 7826 printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): SubClass={%s}, Value=(0x%06x)\n", 7827 ioc->name, log_info, desc, (log_info & 0xFFFFFF)); 7828 } 7829 7830 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 7831 /** 7832 * mpt_spi_log_info - Log information returned from SCSI Parallel IOC. 7833 * @ioc: Pointer to MPT_ADAPTER structure 7834 * @log_info: U32 LogInfo word from the IOC 7835 * 7836 * Refer to lsi/sp_log.h. 7837 */ 7838 static void 7839 mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info) 7840 { 7841 u32 info = log_info & 0x00FF0000; 7842 char *desc = "unknown"; 7843 7844 switch (info) { 7845 case 0x00010000: 7846 desc = "bug! MID not found"; 7847 break; 7848 7849 case 0x00020000: 7850 desc = "Parity Error"; 7851 break; 7852 7853 case 0x00030000: 7854 desc = "ASYNC Outbound Overrun"; 7855 break; 7856 7857 case 0x00040000: 7858 desc = "SYNC Offset Error"; 7859 break; 7860 7861 case 0x00050000: 7862 desc = "BM Change"; 7863 break; 7864 7865 case 0x00060000: 7866 desc = "Msg In Overflow"; 7867 break; 7868 7869 case 0x00070000: 7870 desc = "DMA Error"; 7871 break; 7872 7873 case 0x00080000: 7874 desc = "Outbound DMA Overrun"; 7875 break; 7876 7877 case 0x00090000: 7878 desc = "Task Management"; 7879 break; 7880 7881 case 0x000A0000: 7882 desc = "Device Problem"; 7883 break; 7884 7885 case 0x000B0000: 7886 desc = "Invalid Phase Change"; 7887 break; 7888 7889 case 0x000C0000: 7890 desc = "Untagged Table Size"; 7891 break; 7892 7893 } 7894 7895 printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): F/W: %s\n", ioc->name, log_info, desc); 7896 } 7897 7898 /* strings for sas loginfo */ 7899 static char *originator_str[] = { 7900 "IOP", /* 00h */ 7901 "PL", /* 01h */ 7902 "IR" /* 02h */ 7903 }; 7904 static char *iop_code_str[] = { 7905 NULL, /* 00h */ 7906 "Invalid SAS Address", /* 01h */ 7907 NULL, /* 02h */ 7908 "Invalid Page", /* 03h */ 7909 "Diag Message Error", /* 04h */ 7910 "Task Terminated", /* 05h */ 7911 "Enclosure Management", /* 06h */ 7912 "Target Mode" /* 07h */ 7913 }; 7914 static char *pl_code_str[] = { 7915 NULL, /* 00h */ 7916 "Open Failure", /* 01h */ 7917 "Invalid Scatter Gather List", /* 02h */ 7918 "Wrong Relative Offset or Frame Length", /* 03h */ 7919 "Frame Transfer Error", /* 04h */ 7920 "Transmit Frame Connected Low", /* 05h */ 7921 "SATA Non-NCQ RW Error Bit Set", /* 06h */ 7922 "SATA Read Log Receive Data Error", /* 07h */ 7923 "SATA NCQ Fail All Commands After Error", /* 08h */ 7924 "SATA Error in Receive Set Device Bit FIS", /* 09h */ 7925 "Receive Frame Invalid Message", /* 0Ah */ 7926 "Receive Context Message Valid Error", /* 0Bh */ 7927 "Receive Frame Current Frame Error", /* 0Ch */ 7928 "SATA Link Down", /* 0Dh */ 7929 "Discovery SATA Init W IOS", /* 0Eh */ 7930 "Config Invalid Page", /* 0Fh */ 7931 "Discovery SATA Init Timeout", /* 10h */ 7932 "Reset", /* 11h */ 7933 "Abort", /* 12h */ 7934 "IO Not Yet Executed", /* 13h */ 7935 "IO Executed", /* 14h */ 7936 "Persistent Reservation Out Not Affiliation " 7937 "Owner", /* 15h */ 7938 "Open Transmit DMA Abort", /* 16h */ 7939 "IO Device Missing Delay Retry", /* 17h */ 7940 "IO Cancelled Due to Receive Error", /* 18h */ 7941 NULL, /* 19h */ 7942 NULL, /* 1Ah */ 7943 NULL, /* 1Bh */ 7944 NULL, /* 1Ch */ 7945 NULL, /* 1Dh */ 7946 NULL, /* 1Eh */ 7947 NULL, /* 1Fh */ 7948 "Enclosure Management" /* 20h */ 7949 }; 7950 static char *ir_code_str[] = { 7951 "Raid Action Error", /* 00h */ 7952 NULL, /* 00h */ 7953 NULL, /* 01h */ 7954 NULL, /* 02h */ 7955 NULL, /* 03h */ 7956 NULL, /* 04h */ 7957 NULL, /* 05h */ 7958 NULL, /* 06h */ 7959 NULL /* 07h */ 7960 }; 7961 static char *raid_sub_code_str[] = { 7962 NULL, /* 00h */ 7963 "Volume Creation Failed: Data Passed too " 7964 "Large", /* 01h */ 7965 "Volume Creation Failed: Duplicate Volumes " 7966 "Attempted", /* 02h */ 7967 "Volume Creation Failed: Max Number " 7968 "Supported Volumes Exceeded", /* 03h */ 7969 "Volume Creation Failed: DMA Error", /* 04h */ 7970 "Volume Creation Failed: Invalid Volume Type", /* 05h */ 7971 "Volume Creation Failed: Error Reading " 7972 "MFG Page 4", /* 06h */ 7973 "Volume Creation Failed: Creating Internal " 7974 "Structures", /* 07h */ 7975 NULL, /* 08h */ 7976 NULL, /* 09h */ 7977 NULL, /* 0Ah */ 7978 NULL, /* 0Bh */ 7979 NULL, /* 0Ch */ 7980 NULL, /* 0Dh */ 7981 NULL, /* 0Eh */ 7982 NULL, /* 0Fh */ 7983 "Activation failed: Already Active Volume", /* 10h */ 7984 "Activation failed: Unsupported Volume Type", /* 11h */ 7985 "Activation failed: Too Many Active Volumes", /* 12h */ 7986 "Activation failed: Volume ID in Use", /* 13h */ 7987 "Activation failed: Reported Failure", /* 14h */ 7988 "Activation failed: Importing a Volume", /* 15h */ 7989 NULL, /* 16h */ 7990 NULL, /* 17h */ 7991 NULL, /* 18h */ 7992 NULL, /* 19h */ 7993 NULL, /* 1Ah */ 7994 NULL, /* 1Bh */ 7995 NULL, /* 1Ch */ 7996 NULL, /* 1Dh */ 7997 NULL, /* 1Eh */ 7998 NULL, /* 1Fh */ 7999 "Phys Disk failed: Too Many Phys Disks", /* 20h */ 8000 "Phys Disk failed: Data Passed too Large", /* 21h */ 8001 "Phys Disk failed: DMA Error", /* 22h */ 8002 "Phys Disk failed: Invalid <channel:id>", /* 23h */ 8003 "Phys Disk failed: Creating Phys Disk Config " 8004 "Page", /* 24h */ 8005 NULL, /* 25h */ 8006 NULL, /* 26h */ 8007 NULL, /* 27h */ 8008 NULL, /* 28h */ 8009 NULL, /* 29h */ 8010 NULL, /* 2Ah */ 8011 NULL, /* 2Bh */ 8012 NULL, /* 2Ch */ 8013 NULL, /* 2Dh */ 8014 NULL, /* 2Eh */ 8015 NULL, /* 2Fh */ 8016 "Compatibility Error: IR Disabled", /* 30h */ 8017 "Compatibility Error: Inquiry Command Failed", /* 31h */ 8018 "Compatibility Error: Device not Direct Access " 8019 "Device ", /* 32h */ 8020 "Compatibility Error: Removable Device Found", /* 33h */ 8021 "Compatibility Error: Device SCSI Version not " 8022 "2 or Higher", /* 34h */ 8023 "Compatibility Error: SATA Device, 48 BIT LBA " 8024 "not Supported", /* 35h */ 8025 "Compatibility Error: Device doesn't have " 8026 "512 Byte Block Sizes", /* 36h */ 8027 "Compatibility Error: Volume Type Check Failed", /* 37h */ 8028 "Compatibility Error: Volume Type is " 8029 "Unsupported by FW", /* 38h */ 8030 "Compatibility Error: Disk Drive too Small for " 8031 "use in Volume", /* 39h */ 8032 "Compatibility Error: Phys Disk for Create " 8033 "Volume not Found", /* 3Ah */ 8034 "Compatibility Error: Too Many or too Few " 8035 "Disks for Volume Type", /* 3Bh */ 8036 "Compatibility Error: Disk stripe Sizes " 8037 "Must be 64KB", /* 3Ch */ 8038 "Compatibility Error: IME Size Limited to < 2TB", /* 3Dh */ 8039 }; 8040 8041 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 8042 /** 8043 * mpt_sas_log_info - Log information returned from SAS IOC. 8044 * @ioc: Pointer to MPT_ADAPTER structure 8045 * @log_info: U32 LogInfo reply word from the IOC 8046 * @cb_idx: callback function's handle 8047 * 8048 * Refer to lsi/mpi_log_sas.h. 8049 **/ 8050 static void 8051 mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info, u8 cb_idx) 8052 { 8053 union loginfo_type { 8054 u32 loginfo; 8055 struct { 8056 u32 subcode:16; 8057 u32 code:8; 8058 u32 originator:4; 8059 u32 bus_type:4; 8060 } dw; 8061 }; 8062 union loginfo_type sas_loginfo; 8063 char *originator_desc = NULL; 8064 char *code_desc = NULL; 8065 char *sub_code_desc = NULL; 8066 8067 sas_loginfo.loginfo = log_info; 8068 if ((sas_loginfo.dw.bus_type != 3 /*SAS*/) && 8069 (sas_loginfo.dw.originator < ARRAY_SIZE(originator_str))) 8070 return; 8071 8072 originator_desc = originator_str[sas_loginfo.dw.originator]; 8073 8074 switch (sas_loginfo.dw.originator) { 8075 8076 case 0: /* IOP */ 8077 if (sas_loginfo.dw.code < 8078 ARRAY_SIZE(iop_code_str)) 8079 code_desc = iop_code_str[sas_loginfo.dw.code]; 8080 break; 8081 case 1: /* PL */ 8082 if (sas_loginfo.dw.code < 8083 ARRAY_SIZE(pl_code_str)) 8084 code_desc = pl_code_str[sas_loginfo.dw.code]; 8085 break; 8086 case 2: /* IR */ 8087 if (sas_loginfo.dw.code >= 8088 ARRAY_SIZE(ir_code_str)) 8089 break; 8090 code_desc = ir_code_str[sas_loginfo.dw.code]; 8091 if (sas_loginfo.dw.subcode >= 8092 ARRAY_SIZE(raid_sub_code_str)) 8093 break; 8094 if (sas_loginfo.dw.code == 0) 8095 sub_code_desc = 8096 raid_sub_code_str[sas_loginfo.dw.subcode]; 8097 break; 8098 default: 8099 return; 8100 } 8101 8102 if (sub_code_desc != NULL) 8103 printk(MYIOC_s_INFO_FMT 8104 "LogInfo(0x%08x): Originator={%s}, Code={%s}," 8105 " SubCode={%s} cb_idx %s\n", 8106 ioc->name, log_info, originator_desc, code_desc, 8107 sub_code_desc, MptCallbacksName[cb_idx]); 8108 else if (code_desc != NULL) 8109 printk(MYIOC_s_INFO_FMT 8110 "LogInfo(0x%08x): Originator={%s}, Code={%s}," 8111 " SubCode(0x%04x) cb_idx %s\n", 8112 ioc->name, log_info, originator_desc, code_desc, 8113 sas_loginfo.dw.subcode, MptCallbacksName[cb_idx]); 8114 else 8115 printk(MYIOC_s_INFO_FMT 8116 "LogInfo(0x%08x): Originator={%s}, Code=(0x%02x)," 8117 " SubCode(0x%04x) cb_idx %s\n", 8118 ioc->name, log_info, originator_desc, 8119 sas_loginfo.dw.code, sas_loginfo.dw.subcode, 8120 MptCallbacksName[cb_idx]); 8121 } 8122 8123 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 8124 /** 8125 * mpt_iocstatus_info_config - IOCSTATUS information for config pages 8126 * @ioc: Pointer to MPT_ADAPTER structure 8127 * @ioc_status: U32 IOCStatus word from IOC 8128 * @mf: Pointer to MPT request frame 8129 * 8130 * Refer to lsi/mpi.h. 8131 **/ 8132 static void 8133 mpt_iocstatus_info_config(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf) 8134 { 8135 Config_t *pReq = (Config_t *)mf; 8136 char extend_desc[EVENT_DESCR_STR_SZ]; 8137 char *desc = NULL; 8138 u32 form; 8139 u8 page_type; 8140 8141 if (pReq->Header.PageType == MPI_CONFIG_PAGETYPE_EXTENDED) 8142 page_type = pReq->ExtPageType; 8143 else 8144 page_type = pReq->Header.PageType; 8145 8146 /* 8147 * ignore invalid page messages for GET_NEXT_HANDLE 8148 */ 8149 form = le32_to_cpu(pReq->PageAddress); 8150 if (ioc_status == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) { 8151 if (page_type == MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE || 8152 page_type == MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER || 8153 page_type == MPI_CONFIG_EXTPAGETYPE_ENCLOSURE) { 8154 if ((form >> MPI_SAS_DEVICE_PGAD_FORM_SHIFT) == 8155 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE) 8156 return; 8157 } 8158 if (page_type == MPI_CONFIG_PAGETYPE_FC_DEVICE) 8159 if ((form & MPI_FC_DEVICE_PGAD_FORM_MASK) == 8160 MPI_FC_DEVICE_PGAD_FORM_NEXT_DID) 8161 return; 8162 } 8163 8164 snprintf(extend_desc, EVENT_DESCR_STR_SZ, 8165 "type=%02Xh, page=%02Xh, action=%02Xh, form=%08Xh", 8166 page_type, pReq->Header.PageNumber, pReq->Action, form); 8167 8168 switch (ioc_status) { 8169 8170 case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */ 8171 desc = "Config Page Invalid Action"; 8172 break; 8173 8174 case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */ 8175 desc = "Config Page Invalid Type"; 8176 break; 8177 8178 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */ 8179 desc = "Config Page Invalid Page"; 8180 break; 8181 8182 case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */ 8183 desc = "Config Page Invalid Data"; 8184 break; 8185 8186 case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */ 8187 desc = "Config Page No Defaults"; 8188 break; 8189 8190 case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */ 8191 desc = "Config Page Can't Commit"; 8192 break; 8193 } 8194 8195 if (!desc) 8196 return; 8197 8198 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s: %s\n", 8199 ioc->name, ioc_status, desc, extend_desc)); 8200 } 8201 8202 /** 8203 * mpt_iocstatus_info - IOCSTATUS information returned from IOC. 8204 * @ioc: Pointer to MPT_ADAPTER structure 8205 * @ioc_status: U32 IOCStatus word from IOC 8206 * @mf: Pointer to MPT request frame 8207 * 8208 * Refer to lsi/mpi.h. 8209 **/ 8210 static void 8211 mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf) 8212 { 8213 u32 status = ioc_status & MPI_IOCSTATUS_MASK; 8214 char *desc = NULL; 8215 8216 switch (status) { 8217 8218 /****************************************************************************/ 8219 /* Common IOCStatus values for all replies */ 8220 /****************************************************************************/ 8221 8222 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */ 8223 desc = "Invalid Function"; 8224 break; 8225 8226 case MPI_IOCSTATUS_BUSY: /* 0x0002 */ 8227 desc = "Busy"; 8228 break; 8229 8230 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */ 8231 desc = "Invalid SGL"; 8232 break; 8233 8234 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */ 8235 desc = "Internal Error"; 8236 break; 8237 8238 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */ 8239 desc = "Reserved"; 8240 break; 8241 8242 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */ 8243 desc = "Insufficient Resources"; 8244 break; 8245 8246 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */ 8247 desc = "Invalid Field"; 8248 break; 8249 8250 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */ 8251 desc = "Invalid State"; 8252 break; 8253 8254 /****************************************************************************/ 8255 /* Config IOCStatus values */ 8256 /****************************************************************************/ 8257 8258 case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */ 8259 case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */ 8260 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */ 8261 case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */ 8262 case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */ 8263 case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */ 8264 mpt_iocstatus_info_config(ioc, status, mf); 8265 break; 8266 8267 /****************************************************************************/ 8268 /* SCSIIO Reply (SPI, FCP, SAS) initiator values */ 8269 /* */ 8270 /* Look at mptscsih_iocstatus_info_scsiio in mptscsih.c */ 8271 /* */ 8272 /****************************************************************************/ 8273 8274 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 8275 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 8276 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */ 8277 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */ 8278 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 8279 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ 8280 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 8281 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 8282 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 8283 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */ 8284 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */ 8285 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 8286 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 8287 break; 8288 8289 /****************************************************************************/ 8290 /* SCSI Target values */ 8291 /****************************************************************************/ 8292 8293 case MPI_IOCSTATUS_TARGET_PRIORITY_IO: /* 0x0060 */ 8294 desc = "Target: Priority IO"; 8295 break; 8296 8297 case MPI_IOCSTATUS_TARGET_INVALID_PORT: /* 0x0061 */ 8298 desc = "Target: Invalid Port"; 8299 break; 8300 8301 case MPI_IOCSTATUS_TARGET_INVALID_IO_INDEX: /* 0x0062 */ 8302 desc = "Target Invalid IO Index:"; 8303 break; 8304 8305 case MPI_IOCSTATUS_TARGET_ABORTED: /* 0x0063 */ 8306 desc = "Target: Aborted"; 8307 break; 8308 8309 case MPI_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: /* 0x0064 */ 8310 desc = "Target: No Conn Retryable"; 8311 break; 8312 8313 case MPI_IOCSTATUS_TARGET_NO_CONNECTION: /* 0x0065 */ 8314 desc = "Target: No Connection"; 8315 break; 8316 8317 case MPI_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: /* 0x006A */ 8318 desc = "Target: Transfer Count Mismatch"; 8319 break; 8320 8321 case MPI_IOCSTATUS_TARGET_STS_DATA_NOT_SENT: /* 0x006B */ 8322 desc = "Target: STS Data not Sent"; 8323 break; 8324 8325 case MPI_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: /* 0x006D */ 8326 desc = "Target: Data Offset Error"; 8327 break; 8328 8329 case MPI_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: /* 0x006E */ 8330 desc = "Target: Too Much Write Data"; 8331 break; 8332 8333 case MPI_IOCSTATUS_TARGET_IU_TOO_SHORT: /* 0x006F */ 8334 desc = "Target: IU Too Short"; 8335 break; 8336 8337 case MPI_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: /* 0x0070 */ 8338 desc = "Target: ACK NAK Timeout"; 8339 break; 8340 8341 case MPI_IOCSTATUS_TARGET_NAK_RECEIVED: /* 0x0071 */ 8342 desc = "Target: Nak Received"; 8343 break; 8344 8345 /****************************************************************************/ 8346 /* Fibre Channel Direct Access values */ 8347 /****************************************************************************/ 8348 8349 case MPI_IOCSTATUS_FC_ABORTED: /* 0x0066 */ 8350 desc = "FC: Aborted"; 8351 break; 8352 8353 case MPI_IOCSTATUS_FC_RX_ID_INVALID: /* 0x0067 */ 8354 desc = "FC: RX ID Invalid"; 8355 break; 8356 8357 case MPI_IOCSTATUS_FC_DID_INVALID: /* 0x0068 */ 8358 desc = "FC: DID Invalid"; 8359 break; 8360 8361 case MPI_IOCSTATUS_FC_NODE_LOGGED_OUT: /* 0x0069 */ 8362 desc = "FC: Node Logged Out"; 8363 break; 8364 8365 case MPI_IOCSTATUS_FC_EXCHANGE_CANCELED: /* 0x006C */ 8366 desc = "FC: Exchange Canceled"; 8367 break; 8368 8369 /****************************************************************************/ 8370 /* LAN values */ 8371 /****************************************************************************/ 8372 8373 case MPI_IOCSTATUS_LAN_DEVICE_NOT_FOUND: /* 0x0080 */ 8374 desc = "LAN: Device not Found"; 8375 break; 8376 8377 case MPI_IOCSTATUS_LAN_DEVICE_FAILURE: /* 0x0081 */ 8378 desc = "LAN: Device Failure"; 8379 break; 8380 8381 case MPI_IOCSTATUS_LAN_TRANSMIT_ERROR: /* 0x0082 */ 8382 desc = "LAN: Transmit Error"; 8383 break; 8384 8385 case MPI_IOCSTATUS_LAN_TRANSMIT_ABORTED: /* 0x0083 */ 8386 desc = "LAN: Transmit Aborted"; 8387 break; 8388 8389 case MPI_IOCSTATUS_LAN_RECEIVE_ERROR: /* 0x0084 */ 8390 desc = "LAN: Receive Error"; 8391 break; 8392 8393 case MPI_IOCSTATUS_LAN_RECEIVE_ABORTED: /* 0x0085 */ 8394 desc = "LAN: Receive Aborted"; 8395 break; 8396 8397 case MPI_IOCSTATUS_LAN_PARTIAL_PACKET: /* 0x0086 */ 8398 desc = "LAN: Partial Packet"; 8399 break; 8400 8401 case MPI_IOCSTATUS_LAN_CANCELED: /* 0x0087 */ 8402 desc = "LAN: Canceled"; 8403 break; 8404 8405 /****************************************************************************/ 8406 /* Serial Attached SCSI values */ 8407 /****************************************************************************/ 8408 8409 case MPI_IOCSTATUS_SAS_SMP_REQUEST_FAILED: /* 0x0090 */ 8410 desc = "SAS: SMP Request Failed"; 8411 break; 8412 8413 case MPI_IOCSTATUS_SAS_SMP_DATA_OVERRUN: /* 0x0090 */ 8414 desc = "SAS: SMP Data Overrun"; 8415 break; 8416 8417 default: 8418 desc = "Others"; 8419 break; 8420 } 8421 8422 if (!desc) 8423 return; 8424 8425 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s\n", 8426 ioc->name, status, desc)); 8427 } 8428 8429 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 8430 EXPORT_SYMBOL(mpt_attach); 8431 EXPORT_SYMBOL(mpt_detach); 8432 #ifdef CONFIG_PM 8433 EXPORT_SYMBOL(mpt_resume); 8434 EXPORT_SYMBOL(mpt_suspend); 8435 #endif 8436 EXPORT_SYMBOL(ioc_list); 8437 EXPORT_SYMBOL(mpt_register); 8438 EXPORT_SYMBOL(mpt_deregister); 8439 EXPORT_SYMBOL(mpt_event_register); 8440 EXPORT_SYMBOL(mpt_event_deregister); 8441 EXPORT_SYMBOL(mpt_reset_register); 8442 EXPORT_SYMBOL(mpt_reset_deregister); 8443 EXPORT_SYMBOL(mpt_device_driver_register); 8444 EXPORT_SYMBOL(mpt_device_driver_deregister); 8445 EXPORT_SYMBOL(mpt_get_msg_frame); 8446 EXPORT_SYMBOL(mpt_put_msg_frame); 8447 EXPORT_SYMBOL(mpt_put_msg_frame_hi_pri); 8448 EXPORT_SYMBOL(mpt_free_msg_frame); 8449 EXPORT_SYMBOL(mpt_send_handshake_request); 8450 EXPORT_SYMBOL(mpt_verify_adapter); 8451 EXPORT_SYMBOL(mpt_GetIocState); 8452 EXPORT_SYMBOL(mpt_print_ioc_summary); 8453 EXPORT_SYMBOL(mpt_HardResetHandler); 8454 EXPORT_SYMBOL(mpt_config); 8455 EXPORT_SYMBOL(mpt_findImVolumes); 8456 EXPORT_SYMBOL(mpt_alloc_fw_memory); 8457 EXPORT_SYMBOL(mpt_free_fw_memory); 8458 EXPORT_SYMBOL(mptbase_sas_persist_operation); 8459 EXPORT_SYMBOL(mpt_raid_phys_disk_pg0); 8460 8461 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 8462 /** 8463 * fusion_init - Fusion MPT base driver initialization routine. 8464 * 8465 * Returns 0 for success, non-zero for failure. 8466 */ 8467 static int __init 8468 fusion_init(void) 8469 { 8470 u8 cb_idx; 8471 8472 show_mptmod_ver(my_NAME, my_VERSION); 8473 printk(KERN_INFO COPYRIGHT "\n"); 8474 8475 for (cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) { 8476 MptCallbacks[cb_idx] = NULL; 8477 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER; 8478 MptEvHandlers[cb_idx] = NULL; 8479 MptResetHandlers[cb_idx] = NULL; 8480 } 8481 8482 /* Register ourselves (mptbase) in order to facilitate 8483 * EventNotification handling. 8484 */ 8485 mpt_base_index = mpt_register(mptbase_reply, MPTBASE_DRIVER, 8486 "mptbase_reply"); 8487 8488 /* Register for hard reset handling callbacks. 8489 */ 8490 mpt_reset_register(mpt_base_index, mpt_ioc_reset); 8491 8492 #ifdef CONFIG_PROC_FS 8493 (void) procmpt_create(); 8494 #endif 8495 return 0; 8496 } 8497 8498 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 8499 /** 8500 * fusion_exit - Perform driver unload cleanup. 8501 * 8502 * This routine frees all resources associated with each MPT adapter 8503 * and removes all %MPT_PROCFS_MPTBASEDIR entries. 8504 */ 8505 static void __exit 8506 fusion_exit(void) 8507 { 8508 8509 mpt_reset_deregister(mpt_base_index); 8510 8511 #ifdef CONFIG_PROC_FS 8512 procmpt_destroy(); 8513 #endif 8514 } 8515 8516 module_init(fusion_init); 8517 module_exit(fusion_exit); 8518