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> /* needed for in_interrupt() proto */ 61 #include <linux/dma-mapping.h> 62 #include <asm/io.h> 63 #ifdef CONFIG_MTRR 64 #include <asm/mtrr.h> 65 #endif 66 #include <linux/kthread.h> 67 #include <scsi/scsi_host.h> 68 69 #include "mptbase.h" 70 #include "lsi/mpi_log_fc.h" 71 72 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 73 #define my_NAME "Fusion MPT base driver" 74 #define my_VERSION MPT_LINUX_VERSION_COMMON 75 #define MYNAM "mptbase" 76 77 MODULE_AUTHOR(MODULEAUTHOR); 78 MODULE_DESCRIPTION(my_NAME); 79 MODULE_LICENSE("GPL"); 80 MODULE_VERSION(my_VERSION); 81 82 /* 83 * cmd line parameters 84 */ 85 86 static int mpt_msi_enable_spi; 87 module_param(mpt_msi_enable_spi, int, 0); 88 MODULE_PARM_DESC(mpt_msi_enable_spi, 89 " Enable MSI Support for SPI controllers (default=0)"); 90 91 static int mpt_msi_enable_fc; 92 module_param(mpt_msi_enable_fc, int, 0); 93 MODULE_PARM_DESC(mpt_msi_enable_fc, 94 " Enable MSI Support for FC controllers (default=0)"); 95 96 static int mpt_msi_enable_sas; 97 module_param(mpt_msi_enable_sas, int, 0); 98 MODULE_PARM_DESC(mpt_msi_enable_sas, 99 " Enable MSI Support for SAS controllers (default=0)"); 100 101 static int mpt_channel_mapping; 102 module_param(mpt_channel_mapping, int, 0); 103 MODULE_PARM_DESC(mpt_channel_mapping, " Mapping id's to channels (default=0)"); 104 105 static int mpt_debug_level; 106 static int mpt_set_debug_level(const char *val, struct kernel_param *kp); 107 module_param_call(mpt_debug_level, mpt_set_debug_level, param_get_int, 108 &mpt_debug_level, 0600); 109 MODULE_PARM_DESC(mpt_debug_level, 110 " debug level - refer to mptdebug.h - (default=0)"); 111 112 int mpt_fwfault_debug; 113 EXPORT_SYMBOL(mpt_fwfault_debug); 114 module_param(mpt_fwfault_debug, int, 0600); 115 MODULE_PARM_DESC(mpt_fwfault_debug, 116 "Enable detection of Firmware fault and halt Firmware on fault - (default=0)"); 117 118 static char MptCallbacksName[MPT_MAX_PROTOCOL_DRIVERS] 119 [MPT_MAX_CALLBACKNAME_LEN+1]; 120 121 #ifdef MFCNT 122 static int mfcounter = 0; 123 #define PRINT_MF_COUNT 20000 124 #endif 125 126 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 127 /* 128 * Public data... 129 */ 130 131 #define WHOINIT_UNKNOWN 0xAA 132 133 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 134 /* 135 * Private data... 136 */ 137 /* Adapter link list */ 138 LIST_HEAD(ioc_list); 139 /* Callback lookup table */ 140 static MPT_CALLBACK MptCallbacks[MPT_MAX_PROTOCOL_DRIVERS]; 141 /* Protocol driver class lookup table */ 142 static int MptDriverClass[MPT_MAX_PROTOCOL_DRIVERS]; 143 /* Event handler lookup table */ 144 static MPT_EVHANDLER MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS]; 145 /* Reset handler lookup table */ 146 static MPT_RESETHANDLER MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS]; 147 static struct mpt_pci_driver *MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS]; 148 149 #ifdef CONFIG_PROC_FS 150 static struct proc_dir_entry *mpt_proc_root_dir; 151 #endif 152 153 /* 154 * Driver Callback Index's 155 */ 156 static u8 mpt_base_index = MPT_MAX_PROTOCOL_DRIVERS; 157 static u8 last_drv_idx; 158 159 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 160 /* 161 * Forward protos... 162 */ 163 static irqreturn_t mpt_interrupt(int irq, void *bus_id); 164 static int mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 165 MPT_FRAME_HDR *reply); 166 static int mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, 167 u32 *req, int replyBytes, u16 *u16reply, int maxwait, 168 int sleepFlag); 169 static int mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag); 170 static void mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev); 171 static void mpt_adapter_disable(MPT_ADAPTER *ioc); 172 static void mpt_adapter_dispose(MPT_ADAPTER *ioc); 173 174 static void MptDisplayIocCapabilities(MPT_ADAPTER *ioc); 175 static int MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag); 176 static int GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason); 177 static int GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag); 178 static int SendIocInit(MPT_ADAPTER *ioc, int sleepFlag); 179 static int SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag); 180 static int mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag); 181 static int mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag); 182 static int mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag); 183 static int KickStart(MPT_ADAPTER *ioc, int ignore, int sleepFlag); 184 static int SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag); 185 static int PrimeIocFifos(MPT_ADAPTER *ioc); 186 static int WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag); 187 static int WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag); 188 static int WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag); 189 static int GetLanConfigPages(MPT_ADAPTER *ioc); 190 static int GetIoUnitPage2(MPT_ADAPTER *ioc); 191 int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode); 192 static int mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum); 193 static int mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum); 194 static void mpt_read_ioc_pg_1(MPT_ADAPTER *ioc); 195 static void mpt_read_ioc_pg_4(MPT_ADAPTER *ioc); 196 static void mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc); 197 static int SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch, 198 int sleepFlag); 199 static int SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp); 200 static int mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag); 201 static int mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init); 202 203 #ifdef CONFIG_PROC_FS 204 static const struct file_operations mpt_summary_proc_fops; 205 static const struct file_operations mpt_version_proc_fops; 206 static const struct file_operations mpt_iocinfo_proc_fops; 207 #endif 208 static void mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc); 209 210 static int ProcessEventNotification(MPT_ADAPTER *ioc, 211 EventNotificationReply_t *evReply, int *evHandlers); 212 static void mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf); 213 static void mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info); 214 static void mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info); 215 static void mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info , u8 cb_idx); 216 static int mpt_read_ioc_pg_3(MPT_ADAPTER *ioc); 217 static void mpt_inactive_raid_list_free(MPT_ADAPTER *ioc); 218 219 /* module entry point */ 220 static int __init fusion_init (void); 221 static void __exit fusion_exit (void); 222 223 #define CHIPREG_READ32(addr) readl_relaxed(addr) 224 #define CHIPREG_READ32_dmasync(addr) readl(addr) 225 #define CHIPREG_WRITE32(addr,val) writel(val, addr) 226 #define CHIPREG_PIO_WRITE32(addr,val) outl(val, (unsigned long)addr) 227 #define CHIPREG_PIO_READ32(addr) inl((unsigned long)addr) 228 229 static void 230 pci_disable_io_access(struct pci_dev *pdev) 231 { 232 u16 command_reg; 233 234 pci_read_config_word(pdev, PCI_COMMAND, &command_reg); 235 command_reg &= ~1; 236 pci_write_config_word(pdev, PCI_COMMAND, command_reg); 237 } 238 239 static void 240 pci_enable_io_access(struct pci_dev *pdev) 241 { 242 u16 command_reg; 243 244 pci_read_config_word(pdev, PCI_COMMAND, &command_reg); 245 command_reg |= 1; 246 pci_write_config_word(pdev, PCI_COMMAND, command_reg); 247 } 248 249 static int mpt_set_debug_level(const char *val, struct kernel_param *kp) 250 { 251 int ret = param_set_int(val, kp); 252 MPT_ADAPTER *ioc; 253 254 if (ret) 255 return ret; 256 257 list_for_each_entry(ioc, &ioc_list, list) 258 ioc->debug_level = mpt_debug_level; 259 return 0; 260 } 261 262 /** 263 * mpt_get_cb_idx - obtain cb_idx for registered driver 264 * @dclass: class driver enum 265 * 266 * Returns cb_idx, or zero means it wasn't found 267 **/ 268 static u8 269 mpt_get_cb_idx(MPT_DRIVER_CLASS dclass) 270 { 271 u8 cb_idx; 272 273 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) 274 if (MptDriverClass[cb_idx] == dclass) 275 return cb_idx; 276 return 0; 277 } 278 279 /** 280 * mpt_is_discovery_complete - determine if discovery has completed 281 * @ioc: per adatper instance 282 * 283 * Returns 1 when discovery completed, else zero. 284 */ 285 static int 286 mpt_is_discovery_complete(MPT_ADAPTER *ioc) 287 { 288 ConfigExtendedPageHeader_t hdr; 289 CONFIGPARMS cfg; 290 SasIOUnitPage0_t *buffer; 291 dma_addr_t dma_handle; 292 int rc = 0; 293 294 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t)); 295 memset(&cfg, 0, sizeof(CONFIGPARMS)); 296 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION; 297 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 298 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; 299 cfg.cfghdr.ehdr = &hdr; 300 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 301 302 if ((mpt_config(ioc, &cfg))) 303 goto out; 304 if (!hdr.ExtPageLength) 305 goto out; 306 307 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, 308 &dma_handle); 309 if (!buffer) 310 goto out; 311 312 cfg.physAddr = dma_handle; 313 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 314 315 if ((mpt_config(ioc, &cfg))) 316 goto out_free_consistent; 317 318 if (!(buffer->PhyData[0].PortFlags & 319 MPI_SAS_IOUNIT0_PORT_FLAGS_DISCOVERY_IN_PROGRESS)) 320 rc = 1; 321 322 out_free_consistent: 323 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, 324 buffer, dma_handle); 325 out: 326 return rc; 327 } 328 329 330 /** 331 * mpt_remove_dead_ioc_func - kthread context to remove dead ioc 332 * @arg: input argument, used to derive ioc 333 * 334 * Return 0 if controller is removed from pci subsystem. 335 * Return -1 for other case. 336 */ 337 static int mpt_remove_dead_ioc_func(void *arg) 338 { 339 MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; 340 struct pci_dev *pdev; 341 342 if ((ioc == NULL)) 343 return -1; 344 345 pdev = ioc->pcidev; 346 if ((pdev == NULL)) 347 return -1; 348 349 pci_stop_and_remove_bus_device_locked(pdev); 350 return 0; 351 } 352 353 354 355 /** 356 * mpt_fault_reset_work - work performed on workq after ioc fault 357 * @work: input argument, used to derive ioc 358 * 359 **/ 360 static void 361 mpt_fault_reset_work(struct work_struct *work) 362 { 363 MPT_ADAPTER *ioc = 364 container_of(work, MPT_ADAPTER, fault_reset_work.work); 365 u32 ioc_raw_state; 366 int rc; 367 unsigned long flags; 368 MPT_SCSI_HOST *hd; 369 struct task_struct *p; 370 371 if (ioc->ioc_reset_in_progress || !ioc->active) 372 goto out; 373 374 375 ioc_raw_state = mpt_GetIocState(ioc, 0); 376 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_MASK) { 377 printk(MYIOC_s_INFO_FMT "%s: IOC is non-operational !!!!\n", 378 ioc->name, __func__); 379 380 /* 381 * Call mptscsih_flush_pending_cmds callback so that we 382 * flush all pending commands back to OS. 383 * This call is required to aovid deadlock at block layer. 384 * Dead IOC will fail to do diag reset,and this call is safe 385 * since dead ioc will never return any command back from HW. 386 */ 387 hd = shost_priv(ioc->sh); 388 ioc->schedule_dead_ioc_flush_running_cmds(hd); 389 390 /*Remove the Dead Host */ 391 p = kthread_run(mpt_remove_dead_ioc_func, ioc, 392 "mpt_dead_ioc_%d", ioc->id); 393 if (IS_ERR(p)) { 394 printk(MYIOC_s_ERR_FMT 395 "%s: Running mpt_dead_ioc thread failed !\n", 396 ioc->name, __func__); 397 } else { 398 printk(MYIOC_s_WARN_FMT 399 "%s: Running mpt_dead_ioc thread success !\n", 400 ioc->name, __func__); 401 } 402 return; /* don't rearm timer */ 403 } 404 405 if ((ioc_raw_state & MPI_IOC_STATE_MASK) 406 == MPI_IOC_STATE_FAULT) { 407 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state (%04xh)!!!\n", 408 ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK); 409 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n", 410 ioc->name, __func__); 411 rc = mpt_HardResetHandler(ioc, CAN_SLEEP); 412 printk(MYIOC_s_WARN_FMT "%s: HardReset: %s\n", ioc->name, 413 __func__, (rc == 0) ? "success" : "failed"); 414 ioc_raw_state = mpt_GetIocState(ioc, 0); 415 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) 416 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state after " 417 "reset (%04xh)\n", ioc->name, ioc_raw_state & 418 MPI_DOORBELL_DATA_MASK); 419 } else if (ioc->bus_type == SAS && ioc->sas_discovery_quiesce_io) { 420 if ((mpt_is_discovery_complete(ioc))) { 421 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "clearing " 422 "discovery_quiesce_io flag\n", ioc->name)); 423 ioc->sas_discovery_quiesce_io = 0; 424 } 425 } 426 427 out: 428 /* 429 * Take turns polling alternate controller 430 */ 431 if (ioc->alt_ioc) 432 ioc = ioc->alt_ioc; 433 434 /* rearm the timer */ 435 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 436 if (ioc->reset_work_q) 437 queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work, 438 msecs_to_jiffies(MPT_POLLING_INTERVAL)); 439 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 440 } 441 442 443 /* 444 * Process turbo (context) reply... 445 */ 446 static void 447 mpt_turbo_reply(MPT_ADAPTER *ioc, u32 pa) 448 { 449 MPT_FRAME_HDR *mf = NULL; 450 MPT_FRAME_HDR *mr = NULL; 451 u16 req_idx = 0; 452 u8 cb_idx; 453 454 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got TURBO reply req_idx=%08x\n", 455 ioc->name, pa)); 456 457 switch (pa >> MPI_CONTEXT_REPLY_TYPE_SHIFT) { 458 case MPI_CONTEXT_REPLY_TYPE_SCSI_INIT: 459 req_idx = pa & 0x0000FFFF; 460 cb_idx = (pa & 0x00FF0000) >> 16; 461 mf = MPT_INDEX_2_MFPTR(ioc, req_idx); 462 break; 463 case MPI_CONTEXT_REPLY_TYPE_LAN: 464 cb_idx = mpt_get_cb_idx(MPTLAN_DRIVER); 465 /* 466 * Blind set of mf to NULL here was fatal 467 * after lan_reply says "freeme" 468 * Fix sort of combined with an optimization here; 469 * added explicit check for case where lan_reply 470 * was just returning 1 and doing nothing else. 471 * For this case skip the callback, but set up 472 * proper mf value first here:-) 473 */ 474 if ((pa & 0x58000000) == 0x58000000) { 475 req_idx = pa & 0x0000FFFF; 476 mf = MPT_INDEX_2_MFPTR(ioc, req_idx); 477 mpt_free_msg_frame(ioc, mf); 478 mb(); 479 return; 480 break; 481 } 482 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa); 483 break; 484 case MPI_CONTEXT_REPLY_TYPE_SCSI_TARGET: 485 cb_idx = mpt_get_cb_idx(MPTSTM_DRIVER); 486 mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa); 487 break; 488 default: 489 cb_idx = 0; 490 BUG(); 491 } 492 493 /* Check for (valid) IO callback! */ 494 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS || 495 MptCallbacks[cb_idx] == NULL) { 496 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n", 497 __func__, ioc->name, cb_idx); 498 goto out; 499 } 500 501 if (MptCallbacks[cb_idx](ioc, mf, mr)) 502 mpt_free_msg_frame(ioc, mf); 503 out: 504 mb(); 505 } 506 507 static void 508 mpt_reply(MPT_ADAPTER *ioc, u32 pa) 509 { 510 MPT_FRAME_HDR *mf; 511 MPT_FRAME_HDR *mr; 512 u16 req_idx; 513 u8 cb_idx; 514 int freeme; 515 516 u32 reply_dma_low; 517 u16 ioc_stat; 518 519 /* non-TURBO reply! Hmmm, something may be up... 520 * Newest turbo reply mechanism; get address 521 * via left shift 1 (get rid of MPI_ADDRESS_REPLY_A_BIT)! 522 */ 523 524 /* Map DMA address of reply header to cpu address. 525 * pa is 32 bits - but the dma address may be 32 or 64 bits 526 * get offset based only only the low addresses 527 */ 528 529 reply_dma_low = (pa <<= 1); 530 mr = (MPT_FRAME_HDR *)((u8 *)ioc->reply_frames + 531 (reply_dma_low - ioc->reply_frames_low_dma)); 532 533 req_idx = le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx); 534 cb_idx = mr->u.frame.hwhdr.msgctxu.fld.cb_idx; 535 mf = MPT_INDEX_2_MFPTR(ioc, req_idx); 536 537 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got non-TURBO reply=%p req_idx=%x cb_idx=%x Function=%x\n", 538 ioc->name, mr, req_idx, cb_idx, mr->u.hdr.Function)); 539 DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mr); 540 541 /* Check/log IOC log info 542 */ 543 ioc_stat = le16_to_cpu(mr->u.reply.IOCStatus); 544 if (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) { 545 u32 log_info = le32_to_cpu(mr->u.reply.IOCLogInfo); 546 if (ioc->bus_type == FC) 547 mpt_fc_log_info(ioc, log_info); 548 else if (ioc->bus_type == SPI) 549 mpt_spi_log_info(ioc, log_info); 550 else if (ioc->bus_type == SAS) 551 mpt_sas_log_info(ioc, log_info, cb_idx); 552 } 553 554 if (ioc_stat & MPI_IOCSTATUS_MASK) 555 mpt_iocstatus_info(ioc, (u32)ioc_stat, mf); 556 557 /* Check for (valid) IO callback! */ 558 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS || 559 MptCallbacks[cb_idx] == NULL) { 560 printk(MYIOC_s_WARN_FMT "%s: Invalid cb_idx (%d)!\n", 561 __func__, ioc->name, cb_idx); 562 freeme = 0; 563 goto out; 564 } 565 566 freeme = MptCallbacks[cb_idx](ioc, mf, mr); 567 568 out: 569 /* Flush (non-TURBO) reply with a WRITE! */ 570 CHIPREG_WRITE32(&ioc->chip->ReplyFifo, pa); 571 572 if (freeme) 573 mpt_free_msg_frame(ioc, mf); 574 mb(); 575 } 576 577 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 578 /** 579 * mpt_interrupt - MPT adapter (IOC) specific interrupt handler. 580 * @irq: irq number (not used) 581 * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure 582 * 583 * This routine is registered via the request_irq() kernel API call, 584 * and handles all interrupts generated from a specific MPT adapter 585 * (also referred to as a IO Controller or IOC). 586 * This routine must clear the interrupt from the adapter and does 587 * so by reading the reply FIFO. Multiple replies may be processed 588 * per single call to this routine. 589 * 590 * This routine handles register-level access of the adapter but 591 * dispatches (calls) a protocol-specific callback routine to handle 592 * the protocol-specific details of the MPT request completion. 593 */ 594 static irqreturn_t 595 mpt_interrupt(int irq, void *bus_id) 596 { 597 MPT_ADAPTER *ioc = bus_id; 598 u32 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo); 599 600 if (pa == 0xFFFFFFFF) 601 return IRQ_NONE; 602 603 /* 604 * Drain the reply FIFO! 605 */ 606 do { 607 if (pa & MPI_ADDRESS_REPLY_A_BIT) 608 mpt_reply(ioc, pa); 609 else 610 mpt_turbo_reply(ioc, pa); 611 pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo); 612 } while (pa != 0xFFFFFFFF); 613 614 return IRQ_HANDLED; 615 } 616 617 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 618 /** 619 * mptbase_reply - MPT base driver's callback routine 620 * @ioc: Pointer to MPT_ADAPTER structure 621 * @req: Pointer to original MPT request frame 622 * @reply: Pointer to MPT reply frame (NULL if TurboReply) 623 * 624 * MPT base driver's callback routine; all base driver 625 * "internal" request/reply processing is routed here. 626 * Currently used for EventNotification and EventAck handling. 627 * 628 * Returns 1 indicating original alloc'd request frame ptr 629 * should be freed, or 0 if it shouldn't. 630 */ 631 static int 632 mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply) 633 { 634 EventNotificationReply_t *pEventReply; 635 u8 event; 636 int evHandlers; 637 int freereq = 1; 638 639 switch (reply->u.hdr.Function) { 640 case MPI_FUNCTION_EVENT_NOTIFICATION: 641 pEventReply = (EventNotificationReply_t *)reply; 642 evHandlers = 0; 643 ProcessEventNotification(ioc, pEventReply, &evHandlers); 644 event = le32_to_cpu(pEventReply->Event) & 0xFF; 645 if (pEventReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) 646 freereq = 0; 647 if (event != MPI_EVENT_EVENT_CHANGE) 648 break; 649 case MPI_FUNCTION_CONFIG: 650 case MPI_FUNCTION_SAS_IO_UNIT_CONTROL: 651 ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 652 if (reply) { 653 ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 654 memcpy(ioc->mptbase_cmds.reply, reply, 655 min(MPT_DEFAULT_FRAME_SIZE, 656 4 * reply->u.reply.MsgLength)); 657 } 658 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) { 659 ioc->mptbase_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 660 complete(&ioc->mptbase_cmds.done); 661 } else 662 freereq = 0; 663 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_FREE_MF) 664 freereq = 1; 665 break; 666 case MPI_FUNCTION_EVENT_ACK: 667 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 668 "EventAck reply received\n", ioc->name)); 669 break; 670 default: 671 printk(MYIOC_s_ERR_FMT 672 "Unexpected msg function (=%02Xh) reply received!\n", 673 ioc->name, reply->u.hdr.Function); 674 break; 675 } 676 677 /* 678 * Conditionally tell caller to free the original 679 * EventNotification/EventAck/unexpected request frame! 680 */ 681 return freereq; 682 } 683 684 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 685 /** 686 * mpt_register - Register protocol-specific main callback handler. 687 * @cbfunc: callback function pointer 688 * @dclass: Protocol driver's class (%MPT_DRIVER_CLASS enum value) 689 * @func_name: call function's name 690 * 691 * This routine is called by a protocol-specific driver (SCSI host, 692 * LAN, SCSI target) to register its reply callback routine. Each 693 * protocol-specific driver must do this before it will be able to 694 * use any IOC resources, such as obtaining request frames. 695 * 696 * NOTES: The SCSI protocol driver currently calls this routine thrice 697 * in order to register separate callbacks; one for "normal" SCSI IO; 698 * one for MptScsiTaskMgmt requests; one for Scan/DV requests. 699 * 700 * Returns u8 valued "handle" in the range (and S.O.D. order) 701 * {N,...,7,6,5,...,1} if successful. 702 * A return value of MPT_MAX_PROTOCOL_DRIVERS (including zero!) should be 703 * considered an error by the caller. 704 */ 705 u8 706 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass, char *func_name) 707 { 708 u8 cb_idx; 709 last_drv_idx = MPT_MAX_PROTOCOL_DRIVERS; 710 711 /* 712 * Search for empty callback slot in this order: {N,...,7,6,5,...,1} 713 * (slot/handle 0 is reserved!) 714 */ 715 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 716 if (MptCallbacks[cb_idx] == NULL) { 717 MptCallbacks[cb_idx] = cbfunc; 718 MptDriverClass[cb_idx] = dclass; 719 MptEvHandlers[cb_idx] = NULL; 720 last_drv_idx = cb_idx; 721 strlcpy(MptCallbacksName[cb_idx], func_name, 722 MPT_MAX_CALLBACKNAME_LEN+1); 723 break; 724 } 725 } 726 727 return last_drv_idx; 728 } 729 730 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 731 /** 732 * mpt_deregister - Deregister a protocol drivers resources. 733 * @cb_idx: previously registered callback handle 734 * 735 * Each protocol-specific driver should call this routine when its 736 * module is unloaded. 737 */ 738 void 739 mpt_deregister(u8 cb_idx) 740 { 741 if (cb_idx && (cb_idx < MPT_MAX_PROTOCOL_DRIVERS)) { 742 MptCallbacks[cb_idx] = NULL; 743 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER; 744 MptEvHandlers[cb_idx] = NULL; 745 746 last_drv_idx++; 747 } 748 } 749 750 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 751 /** 752 * mpt_event_register - Register protocol-specific event callback handler. 753 * @cb_idx: previously registered (via mpt_register) callback handle 754 * @ev_cbfunc: callback function 755 * 756 * This routine can be called by one or more protocol-specific drivers 757 * if/when they choose to be notified of MPT events. 758 * 759 * Returns 0 for success. 760 */ 761 int 762 mpt_event_register(u8 cb_idx, MPT_EVHANDLER ev_cbfunc) 763 { 764 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) 765 return -1; 766 767 MptEvHandlers[cb_idx] = ev_cbfunc; 768 return 0; 769 } 770 771 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 772 /** 773 * mpt_event_deregister - Deregister protocol-specific event callback handler 774 * @cb_idx: previously registered callback handle 775 * 776 * Each protocol-specific driver should call this routine 777 * when it does not (or can no longer) handle events, 778 * or when its module is unloaded. 779 */ 780 void 781 mpt_event_deregister(u8 cb_idx) 782 { 783 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) 784 return; 785 786 MptEvHandlers[cb_idx] = NULL; 787 } 788 789 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 790 /** 791 * mpt_reset_register - Register protocol-specific IOC reset handler. 792 * @cb_idx: previously registered (via mpt_register) callback handle 793 * @reset_func: reset function 794 * 795 * This routine can be called by one or more protocol-specific drivers 796 * if/when they choose to be notified of IOC resets. 797 * 798 * Returns 0 for success. 799 */ 800 int 801 mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func) 802 { 803 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) 804 return -1; 805 806 MptResetHandlers[cb_idx] = reset_func; 807 return 0; 808 } 809 810 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 811 /** 812 * mpt_reset_deregister - Deregister protocol-specific IOC reset handler. 813 * @cb_idx: previously registered callback handle 814 * 815 * Each protocol-specific driver should call this routine 816 * when it does not (or can no longer) handle IOC reset handling, 817 * or when its module is unloaded. 818 */ 819 void 820 mpt_reset_deregister(u8 cb_idx) 821 { 822 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) 823 return; 824 825 MptResetHandlers[cb_idx] = NULL; 826 } 827 828 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 829 /** 830 * mpt_device_driver_register - Register device driver hooks 831 * @dd_cbfunc: driver callbacks struct 832 * @cb_idx: MPT protocol driver index 833 */ 834 int 835 mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx) 836 { 837 MPT_ADAPTER *ioc; 838 const struct pci_device_id *id; 839 840 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) 841 return -EINVAL; 842 843 MptDeviceDriverHandlers[cb_idx] = dd_cbfunc; 844 845 /* call per pci device probe entry point */ 846 list_for_each_entry(ioc, &ioc_list, list) { 847 id = ioc->pcidev->driver ? 848 ioc->pcidev->driver->id_table : NULL; 849 if (dd_cbfunc->probe) 850 dd_cbfunc->probe(ioc->pcidev, id); 851 } 852 853 return 0; 854 } 855 856 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 857 /** 858 * mpt_device_driver_deregister - DeRegister device driver hooks 859 * @cb_idx: MPT protocol driver index 860 */ 861 void 862 mpt_device_driver_deregister(u8 cb_idx) 863 { 864 struct mpt_pci_driver *dd_cbfunc; 865 MPT_ADAPTER *ioc; 866 867 if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) 868 return; 869 870 dd_cbfunc = MptDeviceDriverHandlers[cb_idx]; 871 872 list_for_each_entry(ioc, &ioc_list, list) { 873 if (dd_cbfunc->remove) 874 dd_cbfunc->remove(ioc->pcidev); 875 } 876 877 MptDeviceDriverHandlers[cb_idx] = NULL; 878 } 879 880 881 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 882 /** 883 * mpt_get_msg_frame - Obtain an MPT request frame from the pool 884 * @cb_idx: Handle of registered MPT protocol driver 885 * @ioc: Pointer to MPT adapter structure 886 * 887 * Obtain an MPT request frame from the pool (of 1024) that are 888 * allocated per MPT adapter. 889 * 890 * Returns pointer to a MPT request frame or %NULL if none are available 891 * or IOC is not active. 892 */ 893 MPT_FRAME_HDR* 894 mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc) 895 { 896 MPT_FRAME_HDR *mf; 897 unsigned long flags; 898 u16 req_idx; /* Request index */ 899 900 /* validate handle and ioc identifier */ 901 902 #ifdef MFCNT 903 if (!ioc->active) 904 printk(MYIOC_s_WARN_FMT "IOC Not Active! mpt_get_msg_frame " 905 "returning NULL!\n", ioc->name); 906 #endif 907 908 /* If interrupts are not attached, do not return a request frame */ 909 if (!ioc->active) 910 return NULL; 911 912 spin_lock_irqsave(&ioc->FreeQlock, flags); 913 if (!list_empty(&ioc->FreeQ)) { 914 int req_offset; 915 916 mf = list_entry(ioc->FreeQ.next, MPT_FRAME_HDR, 917 u.frame.linkage.list); 918 list_del(&mf->u.frame.linkage.list); 919 mf->u.frame.linkage.arg1 = 0; 920 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */ 921 req_offset = (u8 *)mf - (u8 *)ioc->req_frames; 922 /* u16! */ 923 req_idx = req_offset / ioc->req_sz; 924 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx); 925 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0; 926 /* Default, will be changed if necessary in SG generation */ 927 ioc->RequestNB[req_idx] = ioc->NB_for_64_byte_frame; 928 #ifdef MFCNT 929 ioc->mfcnt++; 930 #endif 931 } 932 else 933 mf = NULL; 934 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 935 936 #ifdef MFCNT 937 if (mf == NULL) 938 printk(MYIOC_s_WARN_FMT "IOC Active. No free Msg Frames! " 939 "Count 0x%x Max 0x%x\n", ioc->name, ioc->mfcnt, 940 ioc->req_depth); 941 mfcounter++; 942 if (mfcounter == PRINT_MF_COUNT) 943 printk(MYIOC_s_INFO_FMT "MF Count 0x%x Max 0x%x \n", ioc->name, 944 ioc->mfcnt, ioc->req_depth); 945 #endif 946 947 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_get_msg_frame(%d,%d), got mf=%p\n", 948 ioc->name, cb_idx, ioc->id, mf)); 949 return mf; 950 } 951 952 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 953 /** 954 * mpt_put_msg_frame - Send a protocol-specific MPT request frame to an IOC 955 * @cb_idx: Handle of registered MPT protocol driver 956 * @ioc: Pointer to MPT adapter structure 957 * @mf: Pointer to MPT request frame 958 * 959 * This routine posts an MPT request frame to the request post FIFO of a 960 * specific MPT adapter. 961 */ 962 void 963 mpt_put_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf) 964 { 965 u32 mf_dma_addr; 966 int req_offset; 967 u16 req_idx; /* Request index */ 968 969 /* ensure values are reset properly! */ 970 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; /* byte */ 971 req_offset = (u8 *)mf - (u8 *)ioc->req_frames; 972 /* u16! */ 973 req_idx = req_offset / ioc->req_sz; 974 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx); 975 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0; 976 977 DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf); 978 979 mf_dma_addr = (ioc->req_frames_low_dma + req_offset) | ioc->RequestNB[req_idx]; 980 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d " 981 "RequestNB=%x\n", ioc->name, mf_dma_addr, req_idx, 982 ioc->RequestNB[req_idx])); 983 CHIPREG_WRITE32(&ioc->chip->RequestFifo, mf_dma_addr); 984 } 985 986 /** 987 * mpt_put_msg_frame_hi_pri - Send a hi-pri protocol-specific MPT request frame 988 * @cb_idx: Handle of registered MPT protocol driver 989 * @ioc: Pointer to MPT adapter structure 990 * @mf: Pointer to MPT request frame 991 * 992 * Send a protocol-specific MPT request frame to an IOC using 993 * hi-priority request queue. 994 * 995 * This routine posts an MPT request frame to the request post FIFO of a 996 * specific MPT adapter. 997 **/ 998 void 999 mpt_put_msg_frame_hi_pri(u8 cb_idx, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf) 1000 { 1001 u32 mf_dma_addr; 1002 int req_offset; 1003 u16 req_idx; /* Request index */ 1004 1005 /* ensure values are reset properly! */ 1006 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; 1007 req_offset = (u8 *)mf - (u8 *)ioc->req_frames; 1008 req_idx = req_offset / ioc->req_sz; 1009 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx); 1010 mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0; 1011 1012 DBG_DUMP_PUT_MSG_FRAME(ioc, (u32 *)mf); 1013 1014 mf_dma_addr = (ioc->req_frames_low_dma + req_offset); 1015 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mf_dma_addr=%x req_idx=%d\n", 1016 ioc->name, mf_dma_addr, req_idx)); 1017 CHIPREG_WRITE32(&ioc->chip->RequestHiPriFifo, mf_dma_addr); 1018 } 1019 1020 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1021 /** 1022 * mpt_free_msg_frame - Place MPT request frame back on FreeQ. 1023 * @ioc: Pointer to MPT adapter structure 1024 * @mf: Pointer to MPT request frame 1025 * 1026 * This routine places a MPT request frame back on the MPT adapter's 1027 * FreeQ. 1028 */ 1029 void 1030 mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf) 1031 { 1032 unsigned long flags; 1033 1034 /* Put Request back on FreeQ! */ 1035 spin_lock_irqsave(&ioc->FreeQlock, flags); 1036 if (cpu_to_le32(mf->u.frame.linkage.arg1) == 0xdeadbeaf) 1037 goto out; 1038 /* signature to know if this mf is freed */ 1039 mf->u.frame.linkage.arg1 = cpu_to_le32(0xdeadbeaf); 1040 list_add(&mf->u.frame.linkage.list, &ioc->FreeQ); 1041 #ifdef MFCNT 1042 ioc->mfcnt--; 1043 #endif 1044 out: 1045 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 1046 } 1047 1048 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1049 /** 1050 * mpt_add_sge - Place a simple 32 bit SGE at address pAddr. 1051 * @pAddr: virtual address for SGE 1052 * @flagslength: SGE flags and data transfer length 1053 * @dma_addr: Physical address 1054 * 1055 * This routine places a MPT request frame back on the MPT adapter's 1056 * FreeQ. 1057 */ 1058 static void 1059 mpt_add_sge(void *pAddr, u32 flagslength, dma_addr_t dma_addr) 1060 { 1061 SGESimple32_t *pSge = (SGESimple32_t *) pAddr; 1062 pSge->FlagsLength = cpu_to_le32(flagslength); 1063 pSge->Address = cpu_to_le32(dma_addr); 1064 } 1065 1066 /** 1067 * mpt_add_sge_64bit - Place a simple 64 bit SGE at address pAddr. 1068 * @pAddr: virtual address for SGE 1069 * @flagslength: SGE flags and data transfer length 1070 * @dma_addr: Physical address 1071 * 1072 * This routine places a MPT request frame back on the MPT adapter's 1073 * FreeQ. 1074 **/ 1075 static void 1076 mpt_add_sge_64bit(void *pAddr, u32 flagslength, dma_addr_t dma_addr) 1077 { 1078 SGESimple64_t *pSge = (SGESimple64_t *) pAddr; 1079 pSge->Address.Low = cpu_to_le32 1080 (lower_32_bits(dma_addr)); 1081 pSge->Address.High = cpu_to_le32 1082 (upper_32_bits(dma_addr)); 1083 pSge->FlagsLength = cpu_to_le32 1084 ((flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING)); 1085 } 1086 1087 /** 1088 * mpt_add_sge_64bit_1078 - Place a simple 64 bit SGE at address pAddr (1078 workaround). 1089 * @pAddr: virtual address for SGE 1090 * @flagslength: SGE flags and data transfer length 1091 * @dma_addr: Physical address 1092 * 1093 * This routine places a MPT request frame back on the MPT adapter's 1094 * FreeQ. 1095 **/ 1096 static void 1097 mpt_add_sge_64bit_1078(void *pAddr, u32 flagslength, dma_addr_t dma_addr) 1098 { 1099 SGESimple64_t *pSge = (SGESimple64_t *) pAddr; 1100 u32 tmp; 1101 1102 pSge->Address.Low = cpu_to_le32 1103 (lower_32_bits(dma_addr)); 1104 tmp = (u32)(upper_32_bits(dma_addr)); 1105 1106 /* 1107 * 1078 errata workaround for the 36GB limitation 1108 */ 1109 if ((((u64)dma_addr + MPI_SGE_LENGTH(flagslength)) >> 32) == 9) { 1110 flagslength |= 1111 MPI_SGE_SET_FLAGS(MPI_SGE_FLAGS_LOCAL_ADDRESS); 1112 tmp |= (1<<31); 1113 if (mpt_debug_level & MPT_DEBUG_36GB_MEM) 1114 printk(KERN_DEBUG "1078 P0M2 addressing for " 1115 "addr = 0x%llx len = %d\n", 1116 (unsigned long long)dma_addr, 1117 MPI_SGE_LENGTH(flagslength)); 1118 } 1119 1120 pSge->Address.High = cpu_to_le32(tmp); 1121 pSge->FlagsLength = cpu_to_le32( 1122 (flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING)); 1123 } 1124 1125 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1126 /** 1127 * mpt_add_chain - Place a 32 bit chain SGE at address pAddr. 1128 * @pAddr: virtual address for SGE 1129 * @next: nextChainOffset value (u32's) 1130 * @length: length of next SGL segment 1131 * @dma_addr: Physical address 1132 * 1133 */ 1134 static void 1135 mpt_add_chain(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr) 1136 { 1137 SGEChain32_t *pChain = (SGEChain32_t *) pAddr; 1138 pChain->Length = cpu_to_le16(length); 1139 pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; 1140 pChain->NextChainOffset = next; 1141 pChain->Address = cpu_to_le32(dma_addr); 1142 } 1143 1144 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1145 /** 1146 * mpt_add_chain_64bit - Place a 64 bit chain SGE at address pAddr. 1147 * @pAddr: virtual address for SGE 1148 * @next: nextChainOffset value (u32's) 1149 * @length: length of next SGL segment 1150 * @dma_addr: Physical address 1151 * 1152 */ 1153 static void 1154 mpt_add_chain_64bit(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr) 1155 { 1156 SGEChain64_t *pChain = (SGEChain64_t *) pAddr; 1157 u32 tmp = dma_addr & 0xFFFFFFFF; 1158 1159 pChain->Length = cpu_to_le16(length); 1160 pChain->Flags = (MPI_SGE_FLAGS_CHAIN_ELEMENT | 1161 MPI_SGE_FLAGS_64_BIT_ADDRESSING); 1162 1163 pChain->NextChainOffset = next; 1164 1165 pChain->Address.Low = cpu_to_le32(tmp); 1166 tmp = (u32)(upper_32_bits(dma_addr)); 1167 pChain->Address.High = cpu_to_le32(tmp); 1168 } 1169 1170 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1171 /** 1172 * mpt_send_handshake_request - Send MPT request via doorbell handshake method. 1173 * @cb_idx: Handle of registered MPT protocol driver 1174 * @ioc: Pointer to MPT adapter structure 1175 * @reqBytes: Size of the request in bytes 1176 * @req: Pointer to MPT request frame 1177 * @sleepFlag: Use schedule if CAN_SLEEP else use udelay. 1178 * 1179 * This routine is used exclusively to send MptScsiTaskMgmt 1180 * requests since they are required to be sent via doorbell handshake. 1181 * 1182 * NOTE: It is the callers responsibility to byte-swap fields in the 1183 * request which are greater than 1 byte in size. 1184 * 1185 * Returns 0 for success, non-zero for failure. 1186 */ 1187 int 1188 mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag) 1189 { 1190 int r = 0; 1191 u8 *req_as_bytes; 1192 int ii; 1193 1194 /* State is known to be good upon entering 1195 * this function so issue the bus reset 1196 * request. 1197 */ 1198 1199 /* 1200 * Emulate what mpt_put_msg_frame() does /wrt to sanity 1201 * setting cb_idx/req_idx. But ONLY if this request 1202 * is in proper (pre-alloc'd) request buffer range... 1203 */ 1204 ii = MFPTR_2_MPT_INDEX(ioc,(MPT_FRAME_HDR*)req); 1205 if (reqBytes >= 12 && ii >= 0 && ii < ioc->req_depth) { 1206 MPT_FRAME_HDR *mf = (MPT_FRAME_HDR*)req; 1207 mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(ii); 1208 mf->u.frame.hwhdr.msgctxu.fld.cb_idx = cb_idx; 1209 } 1210 1211 /* Make sure there are no doorbells */ 1212 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 1213 1214 CHIPREG_WRITE32(&ioc->chip->Doorbell, 1215 ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) | 1216 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT))); 1217 1218 /* Wait for IOC doorbell int */ 1219 if ((ii = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) { 1220 return ii; 1221 } 1222 1223 /* Read doorbell and check for active bit */ 1224 if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE)) 1225 return -5; 1226 1227 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_send_handshake_request start, WaitCnt=%d\n", 1228 ioc->name, ii)); 1229 1230 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 1231 1232 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) { 1233 return -2; 1234 } 1235 1236 /* Send request via doorbell handshake */ 1237 req_as_bytes = (u8 *) req; 1238 for (ii = 0; ii < reqBytes/4; ii++) { 1239 u32 word; 1240 1241 word = ((req_as_bytes[(ii*4) + 0] << 0) | 1242 (req_as_bytes[(ii*4) + 1] << 8) | 1243 (req_as_bytes[(ii*4) + 2] << 16) | 1244 (req_as_bytes[(ii*4) + 3] << 24)); 1245 CHIPREG_WRITE32(&ioc->chip->Doorbell, word); 1246 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) { 1247 r = -3; 1248 break; 1249 } 1250 } 1251 1252 if (r >= 0 && WaitForDoorbellInt(ioc, 10, sleepFlag) >= 0) 1253 r = 0; 1254 else 1255 r = -4; 1256 1257 /* Make sure there are no doorbells */ 1258 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 1259 1260 return r; 1261 } 1262 1263 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1264 /** 1265 * mpt_host_page_access_control - control the IOC's Host Page Buffer access 1266 * @ioc: Pointer to MPT adapter structure 1267 * @access_control_value: define bits below 1268 * @sleepFlag: Specifies whether the process can sleep 1269 * 1270 * Provides mechanism for the host driver to control the IOC's 1271 * Host Page Buffer access. 1272 * 1273 * Access Control Value - bits[15:12] 1274 * 0h Reserved 1275 * 1h Enable Access { MPI_DB_HPBAC_ENABLE_ACCESS } 1276 * 2h Disable Access { MPI_DB_HPBAC_DISABLE_ACCESS } 1277 * 3h Free Buffer { MPI_DB_HPBAC_FREE_BUFFER } 1278 * 1279 * Returns 0 for success, non-zero for failure. 1280 */ 1281 1282 static int 1283 mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag) 1284 { 1285 int r = 0; 1286 1287 /* return if in use */ 1288 if (CHIPREG_READ32(&ioc->chip->Doorbell) 1289 & MPI_DOORBELL_ACTIVE) 1290 return -1; 1291 1292 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 1293 1294 CHIPREG_WRITE32(&ioc->chip->Doorbell, 1295 ((MPI_FUNCTION_HOST_PAGEBUF_ACCESS_CONTROL 1296 <<MPI_DOORBELL_FUNCTION_SHIFT) | 1297 (access_control_value<<12))); 1298 1299 /* Wait for IOC to clear Doorbell Status bit */ 1300 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) { 1301 return -2; 1302 }else 1303 return 0; 1304 } 1305 1306 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1307 /** 1308 * mpt_host_page_alloc - allocate system memory for the fw 1309 * @ioc: Pointer to pointer to IOC adapter 1310 * @ioc_init: Pointer to ioc init config page 1311 * 1312 * If we already allocated memory in past, then resend the same pointer. 1313 * Returns 0 for success, non-zero for failure. 1314 */ 1315 static int 1316 mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init) 1317 { 1318 char *psge; 1319 int flags_length; 1320 u32 host_page_buffer_sz=0; 1321 1322 if(!ioc->HostPageBuffer) { 1323 1324 host_page_buffer_sz = 1325 le32_to_cpu(ioc->facts.HostPageBufferSGE.FlagsLength) & 0xFFFFFF; 1326 1327 if(!host_page_buffer_sz) 1328 return 0; /* fw doesn't need any host buffers */ 1329 1330 /* spin till we get enough memory */ 1331 while(host_page_buffer_sz > 0) { 1332 1333 if((ioc->HostPageBuffer = pci_alloc_consistent( 1334 ioc->pcidev, 1335 host_page_buffer_sz, 1336 &ioc->HostPageBuffer_dma)) != NULL) { 1337 1338 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1339 "host_page_buffer @ %p, dma @ %x, sz=%d bytes\n", 1340 ioc->name, ioc->HostPageBuffer, 1341 (u32)ioc->HostPageBuffer_dma, 1342 host_page_buffer_sz)); 1343 ioc->alloc_total += host_page_buffer_sz; 1344 ioc->HostPageBuffer_sz = host_page_buffer_sz; 1345 break; 1346 } 1347 1348 host_page_buffer_sz -= (4*1024); 1349 } 1350 } 1351 1352 if(!ioc->HostPageBuffer) { 1353 printk(MYIOC_s_ERR_FMT 1354 "Failed to alloc memory for host_page_buffer!\n", 1355 ioc->name); 1356 return -999; 1357 } 1358 1359 psge = (char *)&ioc_init->HostPageBufferSGE; 1360 flags_length = MPI_SGE_FLAGS_SIMPLE_ELEMENT | 1361 MPI_SGE_FLAGS_SYSTEM_ADDRESS | 1362 MPI_SGE_FLAGS_HOST_TO_IOC | 1363 MPI_SGE_FLAGS_END_OF_BUFFER; 1364 flags_length = flags_length << MPI_SGE_FLAGS_SHIFT; 1365 flags_length |= ioc->HostPageBuffer_sz; 1366 ioc->add_sge(psge, flags_length, ioc->HostPageBuffer_dma); 1367 ioc->facts.HostPageBufferSGE = ioc_init->HostPageBufferSGE; 1368 1369 return 0; 1370 } 1371 1372 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1373 /** 1374 * mpt_verify_adapter - Given IOC identifier, set pointer to its adapter structure. 1375 * @iocid: IOC unique identifier (integer) 1376 * @iocpp: Pointer to pointer to IOC adapter 1377 * 1378 * Given a unique IOC identifier, set pointer to the associated MPT 1379 * adapter structure. 1380 * 1381 * Returns iocid and sets iocpp if iocid is found. 1382 * Returns -1 if iocid is not found. 1383 */ 1384 int 1385 mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp) 1386 { 1387 MPT_ADAPTER *ioc; 1388 1389 list_for_each_entry(ioc,&ioc_list,list) { 1390 if (ioc->id == iocid) { 1391 *iocpp =ioc; 1392 return iocid; 1393 } 1394 } 1395 1396 *iocpp = NULL; 1397 return -1; 1398 } 1399 1400 /** 1401 * mpt_get_product_name - returns product string 1402 * @vendor: pci vendor id 1403 * @device: pci device id 1404 * @revision: pci revision id 1405 * @prod_name: string returned 1406 * 1407 * Returns product string displayed when driver loads, 1408 * in /proc/mpt/summary and /sysfs/class/scsi_host/host<X>/version_product 1409 * 1410 **/ 1411 static void 1412 mpt_get_product_name(u16 vendor, u16 device, u8 revision, char *prod_name) 1413 { 1414 char *product_str = NULL; 1415 1416 if (vendor == PCI_VENDOR_ID_BROCADE) { 1417 switch (device) 1418 { 1419 case MPI_MANUFACTPAGE_DEVICEID_FC949E: 1420 switch (revision) 1421 { 1422 case 0x00: 1423 product_str = "BRE040 A0"; 1424 break; 1425 case 0x01: 1426 product_str = "BRE040 A1"; 1427 break; 1428 default: 1429 product_str = "BRE040"; 1430 break; 1431 } 1432 break; 1433 } 1434 goto out; 1435 } 1436 1437 switch (device) 1438 { 1439 case MPI_MANUFACTPAGE_DEVICEID_FC909: 1440 product_str = "LSIFC909 B1"; 1441 break; 1442 case MPI_MANUFACTPAGE_DEVICEID_FC919: 1443 product_str = "LSIFC919 B0"; 1444 break; 1445 case MPI_MANUFACTPAGE_DEVICEID_FC929: 1446 product_str = "LSIFC929 B0"; 1447 break; 1448 case MPI_MANUFACTPAGE_DEVICEID_FC919X: 1449 if (revision < 0x80) 1450 product_str = "LSIFC919X A0"; 1451 else 1452 product_str = "LSIFC919XL A1"; 1453 break; 1454 case MPI_MANUFACTPAGE_DEVICEID_FC929X: 1455 if (revision < 0x80) 1456 product_str = "LSIFC929X A0"; 1457 else 1458 product_str = "LSIFC929XL A1"; 1459 break; 1460 case MPI_MANUFACTPAGE_DEVICEID_FC939X: 1461 product_str = "LSIFC939X A1"; 1462 break; 1463 case MPI_MANUFACTPAGE_DEVICEID_FC949X: 1464 product_str = "LSIFC949X A1"; 1465 break; 1466 case MPI_MANUFACTPAGE_DEVICEID_FC949E: 1467 switch (revision) 1468 { 1469 case 0x00: 1470 product_str = "LSIFC949E A0"; 1471 break; 1472 case 0x01: 1473 product_str = "LSIFC949E A1"; 1474 break; 1475 default: 1476 product_str = "LSIFC949E"; 1477 break; 1478 } 1479 break; 1480 case MPI_MANUFACTPAGE_DEVID_53C1030: 1481 switch (revision) 1482 { 1483 case 0x00: 1484 product_str = "LSI53C1030 A0"; 1485 break; 1486 case 0x01: 1487 product_str = "LSI53C1030 B0"; 1488 break; 1489 case 0x03: 1490 product_str = "LSI53C1030 B1"; 1491 break; 1492 case 0x07: 1493 product_str = "LSI53C1030 B2"; 1494 break; 1495 case 0x08: 1496 product_str = "LSI53C1030 C0"; 1497 break; 1498 case 0x80: 1499 product_str = "LSI53C1030T A0"; 1500 break; 1501 case 0x83: 1502 product_str = "LSI53C1030T A2"; 1503 break; 1504 case 0x87: 1505 product_str = "LSI53C1030T A3"; 1506 break; 1507 case 0xc1: 1508 product_str = "LSI53C1020A A1"; 1509 break; 1510 default: 1511 product_str = "LSI53C1030"; 1512 break; 1513 } 1514 break; 1515 case MPI_MANUFACTPAGE_DEVID_1030_53C1035: 1516 switch (revision) 1517 { 1518 case 0x03: 1519 product_str = "LSI53C1035 A2"; 1520 break; 1521 case 0x04: 1522 product_str = "LSI53C1035 B0"; 1523 break; 1524 default: 1525 product_str = "LSI53C1035"; 1526 break; 1527 } 1528 break; 1529 case MPI_MANUFACTPAGE_DEVID_SAS1064: 1530 switch (revision) 1531 { 1532 case 0x00: 1533 product_str = "LSISAS1064 A1"; 1534 break; 1535 case 0x01: 1536 product_str = "LSISAS1064 A2"; 1537 break; 1538 case 0x02: 1539 product_str = "LSISAS1064 A3"; 1540 break; 1541 case 0x03: 1542 product_str = "LSISAS1064 A4"; 1543 break; 1544 default: 1545 product_str = "LSISAS1064"; 1546 break; 1547 } 1548 break; 1549 case MPI_MANUFACTPAGE_DEVID_SAS1064E: 1550 switch (revision) 1551 { 1552 case 0x00: 1553 product_str = "LSISAS1064E A0"; 1554 break; 1555 case 0x01: 1556 product_str = "LSISAS1064E B0"; 1557 break; 1558 case 0x02: 1559 product_str = "LSISAS1064E B1"; 1560 break; 1561 case 0x04: 1562 product_str = "LSISAS1064E B2"; 1563 break; 1564 case 0x08: 1565 product_str = "LSISAS1064E B3"; 1566 break; 1567 default: 1568 product_str = "LSISAS1064E"; 1569 break; 1570 } 1571 break; 1572 case MPI_MANUFACTPAGE_DEVID_SAS1068: 1573 switch (revision) 1574 { 1575 case 0x00: 1576 product_str = "LSISAS1068 A0"; 1577 break; 1578 case 0x01: 1579 product_str = "LSISAS1068 B0"; 1580 break; 1581 case 0x02: 1582 product_str = "LSISAS1068 B1"; 1583 break; 1584 default: 1585 product_str = "LSISAS1068"; 1586 break; 1587 } 1588 break; 1589 case MPI_MANUFACTPAGE_DEVID_SAS1068E: 1590 switch (revision) 1591 { 1592 case 0x00: 1593 product_str = "LSISAS1068E A0"; 1594 break; 1595 case 0x01: 1596 product_str = "LSISAS1068E B0"; 1597 break; 1598 case 0x02: 1599 product_str = "LSISAS1068E B1"; 1600 break; 1601 case 0x04: 1602 product_str = "LSISAS1068E B2"; 1603 break; 1604 case 0x08: 1605 product_str = "LSISAS1068E B3"; 1606 break; 1607 default: 1608 product_str = "LSISAS1068E"; 1609 break; 1610 } 1611 break; 1612 case MPI_MANUFACTPAGE_DEVID_SAS1078: 1613 switch (revision) 1614 { 1615 case 0x00: 1616 product_str = "LSISAS1078 A0"; 1617 break; 1618 case 0x01: 1619 product_str = "LSISAS1078 B0"; 1620 break; 1621 case 0x02: 1622 product_str = "LSISAS1078 C0"; 1623 break; 1624 case 0x03: 1625 product_str = "LSISAS1078 C1"; 1626 break; 1627 case 0x04: 1628 product_str = "LSISAS1078 C2"; 1629 break; 1630 default: 1631 product_str = "LSISAS1078"; 1632 break; 1633 } 1634 break; 1635 } 1636 1637 out: 1638 if (product_str) 1639 sprintf(prod_name, "%s", product_str); 1640 } 1641 1642 /** 1643 * mpt_mapresources - map in memory mapped io 1644 * @ioc: Pointer to pointer to IOC adapter 1645 * 1646 **/ 1647 static int 1648 mpt_mapresources(MPT_ADAPTER *ioc) 1649 { 1650 u8 __iomem *mem; 1651 int ii; 1652 resource_size_t mem_phys; 1653 unsigned long port; 1654 u32 msize; 1655 u32 psize; 1656 int r = -ENODEV; 1657 struct pci_dev *pdev; 1658 1659 pdev = ioc->pcidev; 1660 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); 1661 if (pci_enable_device_mem(pdev)) { 1662 printk(MYIOC_s_ERR_FMT "pci_enable_device_mem() " 1663 "failed\n", ioc->name); 1664 return r; 1665 } 1666 if (pci_request_selected_regions(pdev, ioc->bars, "mpt")) { 1667 printk(MYIOC_s_ERR_FMT "pci_request_selected_regions() with " 1668 "MEM failed\n", ioc->name); 1669 goto out_pci_disable_device; 1670 } 1671 1672 if (sizeof(dma_addr_t) > 4) { 1673 const uint64_t required_mask = dma_get_required_mask 1674 (&pdev->dev); 1675 if (required_mask > DMA_BIT_MASK(32) 1676 && !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) 1677 && !pci_set_consistent_dma_mask(pdev, 1678 DMA_BIT_MASK(64))) { 1679 ioc->dma_mask = DMA_BIT_MASK(64); 1680 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 1681 ": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n", 1682 ioc->name)); 1683 } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) 1684 && !pci_set_consistent_dma_mask(pdev, 1685 DMA_BIT_MASK(32))) { 1686 ioc->dma_mask = DMA_BIT_MASK(32); 1687 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 1688 ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n", 1689 ioc->name)); 1690 } else { 1691 printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n", 1692 ioc->name, pci_name(pdev)); 1693 goto out_pci_release_region; 1694 } 1695 } else { 1696 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) 1697 && !pci_set_consistent_dma_mask(pdev, 1698 DMA_BIT_MASK(32))) { 1699 ioc->dma_mask = DMA_BIT_MASK(32); 1700 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 1701 ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n", 1702 ioc->name)); 1703 } else { 1704 printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n", 1705 ioc->name, pci_name(pdev)); 1706 goto out_pci_release_region; 1707 } 1708 } 1709 1710 mem_phys = msize = 0; 1711 port = psize = 0; 1712 for (ii = 0; ii < DEVICE_COUNT_RESOURCE; ii++) { 1713 if (pci_resource_flags(pdev, ii) & PCI_BASE_ADDRESS_SPACE_IO) { 1714 if (psize) 1715 continue; 1716 /* Get I/O space! */ 1717 port = pci_resource_start(pdev, ii); 1718 psize = pci_resource_len(pdev, ii); 1719 } else { 1720 if (msize) 1721 continue; 1722 /* Get memmap */ 1723 mem_phys = pci_resource_start(pdev, ii); 1724 msize = pci_resource_len(pdev, ii); 1725 } 1726 } 1727 ioc->mem_size = msize; 1728 1729 mem = NULL; 1730 /* Get logical ptr for PciMem0 space */ 1731 /*mem = ioremap(mem_phys, msize);*/ 1732 mem = ioremap(mem_phys, msize); 1733 if (mem == NULL) { 1734 printk(MYIOC_s_ERR_FMT ": ERROR - Unable to map adapter" 1735 " memory!\n", ioc->name); 1736 r = -EINVAL; 1737 goto out_pci_release_region; 1738 } 1739 ioc->memmap = mem; 1740 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %llx\n", 1741 ioc->name, mem, (unsigned long long)mem_phys)); 1742 1743 ioc->mem_phys = mem_phys; 1744 ioc->chip = (SYSIF_REGS __iomem *)mem; 1745 1746 /* Save Port IO values in case we need to do downloadboot */ 1747 ioc->pio_mem_phys = port; 1748 ioc->pio_chip = (SYSIF_REGS __iomem *)port; 1749 1750 return 0; 1751 1752 out_pci_release_region: 1753 pci_release_selected_regions(pdev, ioc->bars); 1754 out_pci_disable_device: 1755 pci_disable_device(pdev); 1756 return r; 1757 } 1758 1759 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1760 /** 1761 * mpt_attach - Install a PCI intelligent MPT adapter. 1762 * @pdev: Pointer to pci_dev structure 1763 * @id: PCI device ID information 1764 * 1765 * This routine performs all the steps necessary to bring the IOC of 1766 * a MPT adapter to a OPERATIONAL state. This includes registering 1767 * memory regions, registering the interrupt, and allocating request 1768 * and reply memory pools. 1769 * 1770 * This routine also pre-fetches the LAN MAC address of a Fibre Channel 1771 * MPT adapter. 1772 * 1773 * Returns 0 for success, non-zero for failure. 1774 * 1775 * TODO: Add support for polled controllers 1776 */ 1777 int 1778 mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id) 1779 { 1780 MPT_ADAPTER *ioc; 1781 u8 cb_idx; 1782 int r = -ENODEV; 1783 u8 pcixcmd; 1784 static int mpt_ids = 0; 1785 #ifdef CONFIG_PROC_FS 1786 struct proc_dir_entry *dent; 1787 #endif 1788 1789 ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_ATOMIC); 1790 if (ioc == NULL) { 1791 printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n"); 1792 return -ENOMEM; 1793 } 1794 1795 ioc->id = mpt_ids++; 1796 sprintf(ioc->name, "ioc%d", ioc->id); 1797 dinitprintk(ioc, printk(KERN_WARNING MYNAM ": mpt_adapter_install\n")); 1798 1799 /* 1800 * set initial debug level 1801 * (refer to mptdebug.h) 1802 * 1803 */ 1804 ioc->debug_level = mpt_debug_level; 1805 if (mpt_debug_level) 1806 printk(KERN_INFO "mpt_debug_level=%xh\n", mpt_debug_level); 1807 1808 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": mpt_adapter_install\n", ioc->name)); 1809 1810 ioc->pcidev = pdev; 1811 if (mpt_mapresources(ioc)) { 1812 kfree(ioc); 1813 return r; 1814 } 1815 1816 /* 1817 * Setting up proper handlers for scatter gather handling 1818 */ 1819 if (ioc->dma_mask == DMA_BIT_MASK(64)) { 1820 if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) 1821 ioc->add_sge = &mpt_add_sge_64bit_1078; 1822 else 1823 ioc->add_sge = &mpt_add_sge_64bit; 1824 ioc->add_chain = &mpt_add_chain_64bit; 1825 ioc->sg_addr_size = 8; 1826 } else { 1827 ioc->add_sge = &mpt_add_sge; 1828 ioc->add_chain = &mpt_add_chain; 1829 ioc->sg_addr_size = 4; 1830 } 1831 ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size; 1832 1833 ioc->alloc_total = sizeof(MPT_ADAPTER); 1834 ioc->req_sz = MPT_DEFAULT_FRAME_SIZE; /* avoid div by zero! */ 1835 ioc->reply_sz = MPT_REPLY_FRAME_SIZE; 1836 1837 1838 spin_lock_init(&ioc->taskmgmt_lock); 1839 mutex_init(&ioc->internal_cmds.mutex); 1840 init_completion(&ioc->internal_cmds.done); 1841 mutex_init(&ioc->mptbase_cmds.mutex); 1842 init_completion(&ioc->mptbase_cmds.done); 1843 mutex_init(&ioc->taskmgmt_cmds.mutex); 1844 init_completion(&ioc->taskmgmt_cmds.done); 1845 1846 /* Initialize the event logging. 1847 */ 1848 ioc->eventTypes = 0; /* None */ 1849 ioc->eventContext = 0; 1850 ioc->eventLogSize = 0; 1851 ioc->events = NULL; 1852 1853 #ifdef MFCNT 1854 ioc->mfcnt = 0; 1855 #endif 1856 1857 ioc->sh = NULL; 1858 ioc->cached_fw = NULL; 1859 1860 /* Initialize SCSI Config Data structure 1861 */ 1862 memset(&ioc->spi_data, 0, sizeof(SpiCfgData)); 1863 1864 /* Initialize the fc rport list head. 1865 */ 1866 INIT_LIST_HEAD(&ioc->fc_rports); 1867 1868 /* Find lookup slot. */ 1869 INIT_LIST_HEAD(&ioc->list); 1870 1871 1872 /* Initialize workqueue */ 1873 INIT_DELAYED_WORK(&ioc->fault_reset_work, mpt_fault_reset_work); 1874 1875 snprintf(ioc->reset_work_q_name, MPT_KOBJ_NAME_LEN, 1876 "mpt_poll_%d", ioc->id); 1877 ioc->reset_work_q = 1878 create_singlethread_workqueue(ioc->reset_work_q_name); 1879 if (!ioc->reset_work_q) { 1880 printk(MYIOC_s_ERR_FMT "Insufficient memory to add adapter!\n", 1881 ioc->name); 1882 pci_release_selected_regions(pdev, ioc->bars); 1883 kfree(ioc); 1884 return -ENOMEM; 1885 } 1886 1887 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "facts @ %p, pfacts[0] @ %p\n", 1888 ioc->name, &ioc->facts, &ioc->pfacts[0])); 1889 1890 mpt_get_product_name(pdev->vendor, pdev->device, pdev->revision, 1891 ioc->prod_name); 1892 1893 switch (pdev->device) 1894 { 1895 case MPI_MANUFACTPAGE_DEVICEID_FC939X: 1896 case MPI_MANUFACTPAGE_DEVICEID_FC949X: 1897 ioc->errata_flag_1064 = 1; 1898 case MPI_MANUFACTPAGE_DEVICEID_FC909: 1899 case MPI_MANUFACTPAGE_DEVICEID_FC929: 1900 case MPI_MANUFACTPAGE_DEVICEID_FC919: 1901 case MPI_MANUFACTPAGE_DEVICEID_FC949E: 1902 ioc->bus_type = FC; 1903 break; 1904 1905 case MPI_MANUFACTPAGE_DEVICEID_FC929X: 1906 if (pdev->revision < XL_929) { 1907 /* 929X Chip Fix. Set Split transactions level 1908 * for PCIX. Set MOST bits to zero. 1909 */ 1910 pci_read_config_byte(pdev, 0x6a, &pcixcmd); 1911 pcixcmd &= 0x8F; 1912 pci_write_config_byte(pdev, 0x6a, pcixcmd); 1913 } else { 1914 /* 929XL Chip Fix. Set MMRBC to 0x08. 1915 */ 1916 pci_read_config_byte(pdev, 0x6a, &pcixcmd); 1917 pcixcmd |= 0x08; 1918 pci_write_config_byte(pdev, 0x6a, pcixcmd); 1919 } 1920 ioc->bus_type = FC; 1921 break; 1922 1923 case MPI_MANUFACTPAGE_DEVICEID_FC919X: 1924 /* 919X Chip Fix. Set Split transactions level 1925 * for PCIX. Set MOST bits to zero. 1926 */ 1927 pci_read_config_byte(pdev, 0x6a, &pcixcmd); 1928 pcixcmd &= 0x8F; 1929 pci_write_config_byte(pdev, 0x6a, pcixcmd); 1930 ioc->bus_type = FC; 1931 break; 1932 1933 case MPI_MANUFACTPAGE_DEVID_53C1030: 1934 /* 1030 Chip Fix. Disable Split transactions 1935 * for PCIX. Set MOST bits to zero if Rev < C0( = 8). 1936 */ 1937 if (pdev->revision < C0_1030) { 1938 pci_read_config_byte(pdev, 0x6a, &pcixcmd); 1939 pcixcmd &= 0x8F; 1940 pci_write_config_byte(pdev, 0x6a, pcixcmd); 1941 } 1942 1943 case MPI_MANUFACTPAGE_DEVID_1030_53C1035: 1944 ioc->bus_type = SPI; 1945 break; 1946 1947 case MPI_MANUFACTPAGE_DEVID_SAS1064: 1948 case MPI_MANUFACTPAGE_DEVID_SAS1068: 1949 ioc->errata_flag_1064 = 1; 1950 ioc->bus_type = SAS; 1951 break; 1952 1953 case MPI_MANUFACTPAGE_DEVID_SAS1064E: 1954 case MPI_MANUFACTPAGE_DEVID_SAS1068E: 1955 case MPI_MANUFACTPAGE_DEVID_SAS1078: 1956 ioc->bus_type = SAS; 1957 break; 1958 } 1959 1960 1961 switch (ioc->bus_type) { 1962 1963 case SAS: 1964 ioc->msi_enable = mpt_msi_enable_sas; 1965 break; 1966 1967 case SPI: 1968 ioc->msi_enable = mpt_msi_enable_spi; 1969 break; 1970 1971 case FC: 1972 ioc->msi_enable = mpt_msi_enable_fc; 1973 break; 1974 1975 default: 1976 ioc->msi_enable = 0; 1977 break; 1978 } 1979 1980 ioc->fw_events_off = 1; 1981 1982 if (ioc->errata_flag_1064) 1983 pci_disable_io_access(pdev); 1984 1985 spin_lock_init(&ioc->FreeQlock); 1986 1987 /* Disable all! */ 1988 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); 1989 ioc->active = 0; 1990 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 1991 1992 /* Set IOC ptr in the pcidev's driver data. */ 1993 pci_set_drvdata(ioc->pcidev, ioc); 1994 1995 /* Set lookup ptr. */ 1996 list_add_tail(&ioc->list, &ioc_list); 1997 1998 /* Check for "bound ports" (929, 929X, 1030, 1035) to reduce redundant resets. 1999 */ 2000 mpt_detect_bound_ports(ioc, pdev); 2001 2002 INIT_LIST_HEAD(&ioc->fw_event_list); 2003 spin_lock_init(&ioc->fw_event_lock); 2004 snprintf(ioc->fw_event_q_name, MPT_KOBJ_NAME_LEN, "mpt/%d", ioc->id); 2005 ioc->fw_event_q = create_singlethread_workqueue(ioc->fw_event_q_name); 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 list_del(&ioc->list); 2013 if (ioc->alt_ioc) 2014 ioc->alt_ioc->alt_ioc = NULL; 2015 iounmap(ioc->memmap); 2016 if (r != -5) 2017 pci_release_selected_regions(pdev, ioc->bars); 2018 2019 destroy_workqueue(ioc->reset_work_q); 2020 ioc->reset_work_q = NULL; 2021 2022 kfree(ioc); 2023 pci_set_drvdata(pdev, NULL); 2024 return r; 2025 } 2026 2027 /* call per device driver probe entry point */ 2028 for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) { 2029 if(MptDeviceDriverHandlers[cb_idx] && 2030 MptDeviceDriverHandlers[cb_idx]->probe) { 2031 MptDeviceDriverHandlers[cb_idx]->probe(pdev,id); 2032 } 2033 } 2034 2035 #ifdef CONFIG_PROC_FS 2036 /* 2037 * Create "/proc/mpt/iocN" subdirectory entry for each MPT adapter. 2038 */ 2039 dent = proc_mkdir(ioc->name, mpt_proc_root_dir); 2040 if (dent) { 2041 proc_create_data("info", S_IRUGO, dent, &mpt_iocinfo_proc_fops, ioc); 2042 proc_create_data("summary", S_IRUGO, dent, &mpt_summary_proc_fops, ioc); 2043 } 2044 #endif 2045 2046 if (!ioc->alt_ioc) 2047 queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work, 2048 msecs_to_jiffies(MPT_POLLING_INTERVAL)); 2049 2050 return 0; 2051 } 2052 2053 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2054 /** 2055 * mpt_detach - Remove a PCI intelligent MPT adapter. 2056 * @pdev: Pointer to pci_dev structure 2057 */ 2058 2059 void 2060 mpt_detach(struct pci_dev *pdev) 2061 { 2062 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 2063 char pname[32]; 2064 u8 cb_idx; 2065 unsigned long flags; 2066 struct workqueue_struct *wq; 2067 2068 /* 2069 * Stop polling ioc for fault condition 2070 */ 2071 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 2072 wq = ioc->reset_work_q; 2073 ioc->reset_work_q = NULL; 2074 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2075 cancel_delayed_work(&ioc->fault_reset_work); 2076 destroy_workqueue(wq); 2077 2078 spin_lock_irqsave(&ioc->fw_event_lock, flags); 2079 wq = ioc->fw_event_q; 2080 ioc->fw_event_q = NULL; 2081 spin_unlock_irqrestore(&ioc->fw_event_lock, flags); 2082 destroy_workqueue(wq); 2083 2084 sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name); 2085 remove_proc_entry(pname, NULL); 2086 sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name); 2087 remove_proc_entry(pname, NULL); 2088 sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s", ioc->name); 2089 remove_proc_entry(pname, NULL); 2090 2091 /* call per device driver remove entry point */ 2092 for(cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) { 2093 if(MptDeviceDriverHandlers[cb_idx] && 2094 MptDeviceDriverHandlers[cb_idx]->remove) { 2095 MptDeviceDriverHandlers[cb_idx]->remove(pdev); 2096 } 2097 } 2098 2099 /* Disable interrupts! */ 2100 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); 2101 2102 ioc->active = 0; 2103 synchronize_irq(pdev->irq); 2104 2105 /* Clear any lingering interrupt */ 2106 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 2107 2108 CHIPREG_READ32(&ioc->chip->IntStatus); 2109 2110 mpt_adapter_dispose(ioc); 2111 2112 } 2113 2114 /************************************************************************** 2115 * Power Management 2116 */ 2117 #ifdef CONFIG_PM 2118 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2119 /** 2120 * mpt_suspend - Fusion MPT base driver suspend routine. 2121 * @pdev: Pointer to pci_dev structure 2122 * @state: new state to enter 2123 */ 2124 int 2125 mpt_suspend(struct pci_dev *pdev, pm_message_t state) 2126 { 2127 u32 device_state; 2128 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 2129 2130 device_state = pci_choose_state(pdev, state); 2131 printk(MYIOC_s_INFO_FMT "pci-suspend: pdev=0x%p, slot=%s, Entering " 2132 "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev), 2133 device_state); 2134 2135 /* put ioc into READY_STATE */ 2136 if(SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, CAN_SLEEP)) { 2137 printk(MYIOC_s_ERR_FMT 2138 "pci-suspend: IOC msg unit reset failed!\n", ioc->name); 2139 } 2140 2141 /* disable interrupts */ 2142 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); 2143 ioc->active = 0; 2144 2145 /* Clear any lingering interrupt */ 2146 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 2147 2148 free_irq(ioc->pci_irq, ioc); 2149 if (ioc->msi_enable) 2150 pci_disable_msi(ioc->pcidev); 2151 ioc->pci_irq = -1; 2152 pci_save_state(pdev); 2153 pci_disable_device(pdev); 2154 pci_release_selected_regions(pdev, ioc->bars); 2155 pci_set_power_state(pdev, device_state); 2156 return 0; 2157 } 2158 2159 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2160 /** 2161 * mpt_resume - Fusion MPT base driver resume routine. 2162 * @pdev: Pointer to pci_dev structure 2163 */ 2164 int 2165 mpt_resume(struct pci_dev *pdev) 2166 { 2167 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 2168 u32 device_state = pdev->current_state; 2169 int recovery_state; 2170 int err; 2171 2172 printk(MYIOC_s_INFO_FMT "pci-resume: pdev=0x%p, slot=%s, Previous " 2173 "operating state [D%d]\n", ioc->name, pdev, pci_name(pdev), 2174 device_state); 2175 2176 pci_set_power_state(pdev, PCI_D0); 2177 pci_enable_wake(pdev, PCI_D0, 0); 2178 pci_restore_state(pdev); 2179 ioc->pcidev = pdev; 2180 err = mpt_mapresources(ioc); 2181 if (err) 2182 return err; 2183 2184 if (ioc->dma_mask == DMA_BIT_MASK(64)) { 2185 if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) 2186 ioc->add_sge = &mpt_add_sge_64bit_1078; 2187 else 2188 ioc->add_sge = &mpt_add_sge_64bit; 2189 ioc->add_chain = &mpt_add_chain_64bit; 2190 ioc->sg_addr_size = 8; 2191 } else { 2192 2193 ioc->add_sge = &mpt_add_sge; 2194 ioc->add_chain = &mpt_add_chain; 2195 ioc->sg_addr_size = 4; 2196 } 2197 ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size; 2198 2199 printk(MYIOC_s_INFO_FMT "pci-resume: ioc-state=0x%x,doorbell=0x%x\n", 2200 ioc->name, (mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT), 2201 CHIPREG_READ32(&ioc->chip->Doorbell)); 2202 2203 /* 2204 * Errata workaround for SAS pci express: 2205 * Upon returning to the D0 state, the contents of the doorbell will be 2206 * stale data, and this will incorrectly signal to the host driver that 2207 * the firmware is ready to process mpt commands. The workaround is 2208 * to issue a diagnostic reset. 2209 */ 2210 if (ioc->bus_type == SAS && (pdev->device == 2211 MPI_MANUFACTPAGE_DEVID_SAS1068E || pdev->device == 2212 MPI_MANUFACTPAGE_DEVID_SAS1064E)) { 2213 if (KickStart(ioc, 1, CAN_SLEEP) < 0) { 2214 printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover\n", 2215 ioc->name); 2216 goto out; 2217 } 2218 } 2219 2220 /* bring ioc to operational state */ 2221 printk(MYIOC_s_INFO_FMT "Sending mpt_do_ioc_recovery\n", ioc->name); 2222 recovery_state = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP, 2223 CAN_SLEEP); 2224 if (recovery_state != 0) 2225 printk(MYIOC_s_WARN_FMT "pci-resume: Cannot recover, " 2226 "error:[%x]\n", ioc->name, recovery_state); 2227 else 2228 printk(MYIOC_s_INFO_FMT 2229 "pci-resume: success\n", ioc->name); 2230 out: 2231 return 0; 2232 2233 } 2234 #endif 2235 2236 static int 2237 mpt_signal_reset(u8 index, MPT_ADAPTER *ioc, int reset_phase) 2238 { 2239 if ((MptDriverClass[index] == MPTSPI_DRIVER && 2240 ioc->bus_type != SPI) || 2241 (MptDriverClass[index] == MPTFC_DRIVER && 2242 ioc->bus_type != FC) || 2243 (MptDriverClass[index] == MPTSAS_DRIVER && 2244 ioc->bus_type != SAS)) 2245 /* make sure we only call the relevant reset handler 2246 * for the bus */ 2247 return 0; 2248 return (MptResetHandlers[index])(ioc, reset_phase); 2249 } 2250 2251 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2252 /** 2253 * mpt_do_ioc_recovery - Initialize or recover MPT adapter. 2254 * @ioc: Pointer to MPT adapter structure 2255 * @reason: Event word / reason 2256 * @sleepFlag: Use schedule if CAN_SLEEP else use udelay. 2257 * 2258 * This routine performs all the steps necessary to bring the IOC 2259 * to a OPERATIONAL state. 2260 * 2261 * This routine also pre-fetches the LAN MAC address of a Fibre Channel 2262 * MPT adapter. 2263 * 2264 * Returns: 2265 * 0 for success 2266 * -1 if failed to get board READY 2267 * -2 if READY but IOCFacts Failed 2268 * -3 if READY but PrimeIOCFifos Failed 2269 * -4 if READY but IOCInit Failed 2270 * -5 if failed to enable_device and/or request_selected_regions 2271 * -6 if failed to upload firmware 2272 */ 2273 static int 2274 mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag) 2275 { 2276 int hard_reset_done = 0; 2277 int alt_ioc_ready = 0; 2278 int hard; 2279 int rc=0; 2280 int ii; 2281 int ret = 0; 2282 int reset_alt_ioc_active = 0; 2283 int irq_allocated = 0; 2284 u8 *a; 2285 2286 printk(MYIOC_s_INFO_FMT "Initiating %s\n", ioc->name, 2287 reason == MPT_HOSTEVENT_IOC_BRINGUP ? "bringup" : "recovery"); 2288 2289 /* Disable reply interrupts (also blocks FreeQ) */ 2290 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); 2291 ioc->active = 0; 2292 2293 if (ioc->alt_ioc) { 2294 if (ioc->alt_ioc->active || 2295 reason == MPT_HOSTEVENT_IOC_RECOVER) { 2296 reset_alt_ioc_active = 1; 2297 /* Disable alt-IOC's reply interrupts 2298 * (and FreeQ) for a bit 2299 **/ 2300 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, 2301 0xFFFFFFFF); 2302 ioc->alt_ioc->active = 0; 2303 } 2304 } 2305 2306 hard = 1; 2307 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) 2308 hard = 0; 2309 2310 if ((hard_reset_done = MakeIocReady(ioc, hard, sleepFlag)) < 0) { 2311 if (hard_reset_done == -4) { 2312 printk(MYIOC_s_WARN_FMT "Owned by PEER..skipping!\n", 2313 ioc->name); 2314 2315 if (reset_alt_ioc_active && ioc->alt_ioc) { 2316 /* (re)Enable alt-IOC! (reply interrupt, FreeQ) */ 2317 dprintk(ioc, printk(MYIOC_s_INFO_FMT 2318 "alt_ioc reply irq re-enabled\n", ioc->alt_ioc->name)); 2319 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM); 2320 ioc->alt_ioc->active = 1; 2321 } 2322 2323 } else { 2324 printk(MYIOC_s_WARN_FMT 2325 "NOT READY WARNING!\n", ioc->name); 2326 } 2327 ret = -1; 2328 goto out; 2329 } 2330 2331 /* hard_reset_done = 0 if a soft reset was performed 2332 * and 1 if a hard reset was performed. 2333 */ 2334 if (hard_reset_done && reset_alt_ioc_active && ioc->alt_ioc) { 2335 if ((rc = MakeIocReady(ioc->alt_ioc, 0, sleepFlag)) == 0) 2336 alt_ioc_ready = 1; 2337 else 2338 printk(MYIOC_s_WARN_FMT 2339 ": alt-ioc Not ready WARNING!\n", 2340 ioc->alt_ioc->name); 2341 } 2342 2343 for (ii=0; ii<5; ii++) { 2344 /* Get IOC facts! Allow 5 retries */ 2345 if ((rc = GetIocFacts(ioc, sleepFlag, reason)) == 0) 2346 break; 2347 } 2348 2349 2350 if (ii == 5) { 2351 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2352 "Retry IocFacts failed rc=%x\n", ioc->name, rc)); 2353 ret = -2; 2354 } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) { 2355 MptDisplayIocCapabilities(ioc); 2356 } 2357 2358 if (alt_ioc_ready) { 2359 if ((rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason)) != 0) { 2360 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2361 "Initial Alt IocFacts failed rc=%x\n", 2362 ioc->name, rc)); 2363 /* Retry - alt IOC was initialized once 2364 */ 2365 rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason); 2366 } 2367 if (rc) { 2368 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2369 "Retry Alt IocFacts failed rc=%x\n", ioc->name, rc)); 2370 alt_ioc_ready = 0; 2371 reset_alt_ioc_active = 0; 2372 } else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) { 2373 MptDisplayIocCapabilities(ioc->alt_ioc); 2374 } 2375 } 2376 2377 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP) && 2378 (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)) { 2379 pci_release_selected_regions(ioc->pcidev, ioc->bars); 2380 ioc->bars = pci_select_bars(ioc->pcidev, IORESOURCE_MEM | 2381 IORESOURCE_IO); 2382 if (pci_enable_device(ioc->pcidev)) 2383 return -5; 2384 if (pci_request_selected_regions(ioc->pcidev, ioc->bars, 2385 "mpt")) 2386 return -5; 2387 } 2388 2389 /* 2390 * Device is reset now. It must have de-asserted the interrupt line 2391 * (if it was asserted) and it should be safe to register for the 2392 * interrupt now. 2393 */ 2394 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) { 2395 ioc->pci_irq = -1; 2396 if (ioc->pcidev->irq) { 2397 if (ioc->msi_enable && !pci_enable_msi(ioc->pcidev)) 2398 printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n", 2399 ioc->name); 2400 else 2401 ioc->msi_enable = 0; 2402 rc = request_irq(ioc->pcidev->irq, mpt_interrupt, 2403 IRQF_SHARED, ioc->name, ioc); 2404 if (rc < 0) { 2405 printk(MYIOC_s_ERR_FMT "Unable to allocate " 2406 "interrupt %d!\n", 2407 ioc->name, ioc->pcidev->irq); 2408 if (ioc->msi_enable) 2409 pci_disable_msi(ioc->pcidev); 2410 ret = -EBUSY; 2411 goto out; 2412 } 2413 irq_allocated = 1; 2414 ioc->pci_irq = ioc->pcidev->irq; 2415 pci_set_master(ioc->pcidev); /* ?? */ 2416 pci_set_drvdata(ioc->pcidev, ioc); 2417 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 2418 "installed at interrupt %d\n", ioc->name, 2419 ioc->pcidev->irq)); 2420 } 2421 } 2422 2423 /* Prime reply & request queues! 2424 * (mucho alloc's) Must be done prior to 2425 * init as upper addresses are needed for init. 2426 * If fails, continue with alt-ioc processing 2427 */ 2428 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "PrimeIocFifos\n", 2429 ioc->name)); 2430 if ((ret == 0) && ((rc = PrimeIocFifos(ioc)) != 0)) 2431 ret = -3; 2432 2433 /* May need to check/upload firmware & data here! 2434 * If fails, continue with alt-ioc processing 2435 */ 2436 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "SendIocInit\n", 2437 ioc->name)); 2438 if ((ret == 0) && ((rc = SendIocInit(ioc, sleepFlag)) != 0)) 2439 ret = -4; 2440 // NEW! 2441 if (alt_ioc_ready && ((rc = PrimeIocFifos(ioc->alt_ioc)) != 0)) { 2442 printk(MYIOC_s_WARN_FMT 2443 ": alt-ioc (%d) FIFO mgmt alloc WARNING!\n", 2444 ioc->alt_ioc->name, rc); 2445 alt_ioc_ready = 0; 2446 reset_alt_ioc_active = 0; 2447 } 2448 2449 if (alt_ioc_ready) { 2450 if ((rc = SendIocInit(ioc->alt_ioc, sleepFlag)) != 0) { 2451 alt_ioc_ready = 0; 2452 reset_alt_ioc_active = 0; 2453 printk(MYIOC_s_WARN_FMT 2454 ": alt-ioc: (%d) init failure WARNING!\n", 2455 ioc->alt_ioc->name, rc); 2456 } 2457 } 2458 2459 if (reason == MPT_HOSTEVENT_IOC_BRINGUP){ 2460 if (ioc->upload_fw) { 2461 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2462 "firmware upload required!\n", ioc->name)); 2463 2464 /* Controller is not operational, cannot do upload 2465 */ 2466 if (ret == 0) { 2467 rc = mpt_do_upload(ioc, sleepFlag); 2468 if (rc == 0) { 2469 if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) { 2470 /* 2471 * Maintain only one pointer to FW memory 2472 * so there will not be two attempt to 2473 * downloadboot onboard dual function 2474 * chips (mpt_adapter_disable, 2475 * mpt_diag_reset) 2476 */ 2477 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2478 "mpt_upload: alt_%s has cached_fw=%p \n", 2479 ioc->name, ioc->alt_ioc->name, ioc->alt_ioc->cached_fw)); 2480 ioc->cached_fw = NULL; 2481 } 2482 } else { 2483 printk(MYIOC_s_WARN_FMT 2484 "firmware upload failure!\n", ioc->name); 2485 ret = -6; 2486 } 2487 } 2488 } 2489 } 2490 2491 /* Enable MPT base driver management of EventNotification 2492 * and EventAck handling. 2493 */ 2494 if ((ret == 0) && (!ioc->facts.EventState)) { 2495 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 2496 "SendEventNotification\n", 2497 ioc->name)); 2498 ret = SendEventNotification(ioc, 1, sleepFlag); /* 1=Enable */ 2499 } 2500 2501 if (ioc->alt_ioc && alt_ioc_ready && !ioc->alt_ioc->facts.EventState) 2502 rc = SendEventNotification(ioc->alt_ioc, 1, sleepFlag); 2503 2504 if (ret == 0) { 2505 /* Enable! (reply interrupt) */ 2506 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM); 2507 ioc->active = 1; 2508 } 2509 if (rc == 0) { /* alt ioc */ 2510 if (reset_alt_ioc_active && ioc->alt_ioc) { 2511 /* (re)Enable alt-IOC! (reply interrupt) */ 2512 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "alt-ioc" 2513 "reply irq re-enabled\n", 2514 ioc->alt_ioc->name)); 2515 CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, 2516 MPI_HIM_DIM); 2517 ioc->alt_ioc->active = 1; 2518 } 2519 } 2520 2521 2522 /* Add additional "reason" check before call to GetLanConfigPages 2523 * (combined with GetIoUnitPage2 call). This prevents a somewhat 2524 * recursive scenario; GetLanConfigPages times out, timer expired 2525 * routine calls HardResetHandler, which calls into here again, 2526 * and we try GetLanConfigPages again... 2527 */ 2528 if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) { 2529 2530 /* 2531 * Initialize link list for inactive raid volumes. 2532 */ 2533 mutex_init(&ioc->raid_data.inactive_list_mutex); 2534 INIT_LIST_HEAD(&ioc->raid_data.inactive_list); 2535 2536 switch (ioc->bus_type) { 2537 2538 case SAS: 2539 /* clear persistency table */ 2540 if(ioc->facts.IOCExceptions & 2541 MPI_IOCFACTS_EXCEPT_PERSISTENT_TABLE_FULL) { 2542 ret = mptbase_sas_persist_operation(ioc, 2543 MPI_SAS_OP_CLEAR_NOT_PRESENT); 2544 if(ret != 0) 2545 goto out; 2546 } 2547 2548 /* Find IM volumes 2549 */ 2550 mpt_findImVolumes(ioc); 2551 2552 /* Check, and possibly reset, the coalescing value 2553 */ 2554 mpt_read_ioc_pg_1(ioc); 2555 2556 break; 2557 2558 case FC: 2559 if ((ioc->pfacts[0].ProtocolFlags & 2560 MPI_PORTFACTS_PROTOCOL_LAN) && 2561 (ioc->lan_cnfg_page0.Header.PageLength == 0)) { 2562 /* 2563 * Pre-fetch the ports LAN MAC address! 2564 * (LANPage1_t stuff) 2565 */ 2566 (void) GetLanConfigPages(ioc); 2567 a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow; 2568 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2569 "LanAddr = %02X:%02X:%02X" 2570 ":%02X:%02X:%02X\n", 2571 ioc->name, a[5], a[4], 2572 a[3], a[2], a[1], a[0])); 2573 } 2574 break; 2575 2576 case SPI: 2577 /* Get NVRAM and adapter maximums from SPP 0 and 2 2578 */ 2579 mpt_GetScsiPortSettings(ioc, 0); 2580 2581 /* Get version and length of SDP 1 2582 */ 2583 mpt_readScsiDevicePageHeaders(ioc, 0); 2584 2585 /* Find IM volumes 2586 */ 2587 if (ioc->facts.MsgVersion >= MPI_VERSION_01_02) 2588 mpt_findImVolumes(ioc); 2589 2590 /* Check, and possibly reset, the coalescing value 2591 */ 2592 mpt_read_ioc_pg_1(ioc); 2593 2594 mpt_read_ioc_pg_4(ioc); 2595 2596 break; 2597 } 2598 2599 GetIoUnitPage2(ioc); 2600 mpt_get_manufacturing_pg_0(ioc); 2601 } 2602 2603 out: 2604 if ((ret != 0) && irq_allocated) { 2605 free_irq(ioc->pci_irq, ioc); 2606 if (ioc->msi_enable) 2607 pci_disable_msi(ioc->pcidev); 2608 } 2609 return ret; 2610 } 2611 2612 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2613 /** 2614 * mpt_detect_bound_ports - Search for matching PCI bus/dev_function 2615 * @ioc: Pointer to MPT adapter structure 2616 * @pdev: Pointer to (struct pci_dev) structure 2617 * 2618 * Search for PCI bus/dev_function which matches 2619 * PCI bus/dev_function (+/-1) for newly discovered 929, 2620 * 929X, 1030 or 1035. 2621 * 2622 * If match on PCI dev_function +/-1 is found, bind the two MPT adapters 2623 * using alt_ioc pointer fields in their %MPT_ADAPTER structures. 2624 */ 2625 static void 2626 mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev) 2627 { 2628 struct pci_dev *peer=NULL; 2629 unsigned int slot = PCI_SLOT(pdev->devfn); 2630 unsigned int func = PCI_FUNC(pdev->devfn); 2631 MPT_ADAPTER *ioc_srch; 2632 2633 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PCI device %s devfn=%x/%x," 2634 " searching for devfn match on %x or %x\n", 2635 ioc->name, pci_name(pdev), pdev->bus->number, 2636 pdev->devfn, func-1, func+1)); 2637 2638 peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func-1)); 2639 if (!peer) { 2640 peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func+1)); 2641 if (!peer) 2642 return; 2643 } 2644 2645 list_for_each_entry(ioc_srch, &ioc_list, list) { 2646 struct pci_dev *_pcidev = ioc_srch->pcidev; 2647 if (_pcidev == peer) { 2648 /* Paranoia checks */ 2649 if (ioc->alt_ioc != NULL) { 2650 printk(MYIOC_s_WARN_FMT 2651 "Oops, already bound (%s <==> %s)!\n", 2652 ioc->name, ioc->name, ioc->alt_ioc->name); 2653 break; 2654 } else if (ioc_srch->alt_ioc != NULL) { 2655 printk(MYIOC_s_WARN_FMT 2656 "Oops, already bound (%s <==> %s)!\n", 2657 ioc_srch->name, ioc_srch->name, 2658 ioc_srch->alt_ioc->name); 2659 break; 2660 } 2661 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2662 "FOUND! binding %s <==> %s\n", 2663 ioc->name, ioc->name, ioc_srch->name)); 2664 ioc_srch->alt_ioc = ioc; 2665 ioc->alt_ioc = ioc_srch; 2666 } 2667 } 2668 pci_dev_put(peer); 2669 } 2670 2671 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2672 /** 2673 * mpt_adapter_disable - Disable misbehaving MPT adapter. 2674 * @ioc: Pointer to MPT adapter structure 2675 */ 2676 static void 2677 mpt_adapter_disable(MPT_ADAPTER *ioc) 2678 { 2679 int sz; 2680 int ret; 2681 2682 if (ioc->cached_fw != NULL) { 2683 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2684 "%s: Pushing FW onto adapter\n", __func__, ioc->name)); 2685 if ((ret = mpt_downloadboot(ioc, (MpiFwHeader_t *) 2686 ioc->cached_fw, CAN_SLEEP)) < 0) { 2687 printk(MYIOC_s_WARN_FMT 2688 ": firmware downloadboot failure (%d)!\n", 2689 ioc->name, ret); 2690 } 2691 } 2692 2693 /* 2694 * Put the controller into ready state (if its not already) 2695 */ 2696 if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY) { 2697 if (!SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, 2698 CAN_SLEEP)) { 2699 if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY) 2700 printk(MYIOC_s_ERR_FMT "%s: IOC msg unit " 2701 "reset failed to put ioc in ready state!\n", 2702 ioc->name, __func__); 2703 } else 2704 printk(MYIOC_s_ERR_FMT "%s: IOC msg unit reset " 2705 "failed!\n", ioc->name, __func__); 2706 } 2707 2708 2709 /* Disable adapter interrupts! */ 2710 synchronize_irq(ioc->pcidev->irq); 2711 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); 2712 ioc->active = 0; 2713 2714 /* Clear any lingering interrupt */ 2715 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 2716 CHIPREG_READ32(&ioc->chip->IntStatus); 2717 2718 if (ioc->alloc != NULL) { 2719 sz = ioc->alloc_sz; 2720 dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "free @ %p, sz=%d bytes\n", 2721 ioc->name, ioc->alloc, ioc->alloc_sz)); 2722 pci_free_consistent(ioc->pcidev, sz, 2723 ioc->alloc, ioc->alloc_dma); 2724 ioc->reply_frames = NULL; 2725 ioc->req_frames = NULL; 2726 ioc->alloc = NULL; 2727 ioc->alloc_total -= sz; 2728 } 2729 2730 if (ioc->sense_buf_pool != NULL) { 2731 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC); 2732 pci_free_consistent(ioc->pcidev, sz, 2733 ioc->sense_buf_pool, ioc->sense_buf_pool_dma); 2734 ioc->sense_buf_pool = NULL; 2735 ioc->alloc_total -= sz; 2736 } 2737 2738 if (ioc->events != NULL){ 2739 sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS); 2740 kfree(ioc->events); 2741 ioc->events = NULL; 2742 ioc->alloc_total -= sz; 2743 } 2744 2745 mpt_free_fw_memory(ioc); 2746 2747 kfree(ioc->spi_data.nvram); 2748 mpt_inactive_raid_list_free(ioc); 2749 kfree(ioc->raid_data.pIocPg2); 2750 kfree(ioc->raid_data.pIocPg3); 2751 ioc->spi_data.nvram = NULL; 2752 ioc->raid_data.pIocPg3 = NULL; 2753 2754 if (ioc->spi_data.pIocPg4 != NULL) { 2755 sz = ioc->spi_data.IocPg4Sz; 2756 pci_free_consistent(ioc->pcidev, sz, 2757 ioc->spi_data.pIocPg4, 2758 ioc->spi_data.IocPg4_dma); 2759 ioc->spi_data.pIocPg4 = NULL; 2760 ioc->alloc_total -= sz; 2761 } 2762 2763 if (ioc->ReqToChain != NULL) { 2764 kfree(ioc->ReqToChain); 2765 kfree(ioc->RequestNB); 2766 ioc->ReqToChain = NULL; 2767 } 2768 2769 kfree(ioc->ChainToChain); 2770 ioc->ChainToChain = NULL; 2771 2772 if (ioc->HostPageBuffer != NULL) { 2773 if((ret = mpt_host_page_access_control(ioc, 2774 MPI_DB_HPBAC_FREE_BUFFER, NO_SLEEP)) != 0) { 2775 printk(MYIOC_s_ERR_FMT 2776 ": %s: host page buffers free failed (%d)!\n", 2777 ioc->name, __func__, ret); 2778 } 2779 dexitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2780 "HostPageBuffer free @ %p, sz=%d bytes\n", 2781 ioc->name, ioc->HostPageBuffer, 2782 ioc->HostPageBuffer_sz)); 2783 pci_free_consistent(ioc->pcidev, ioc->HostPageBuffer_sz, 2784 ioc->HostPageBuffer, ioc->HostPageBuffer_dma); 2785 ioc->HostPageBuffer = NULL; 2786 ioc->HostPageBuffer_sz = 0; 2787 ioc->alloc_total -= ioc->HostPageBuffer_sz; 2788 } 2789 2790 pci_set_drvdata(ioc->pcidev, NULL); 2791 } 2792 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2793 /** 2794 * mpt_adapter_dispose - Free all resources associated with an MPT adapter 2795 * @ioc: Pointer to MPT adapter structure 2796 * 2797 * This routine unregisters h/w resources and frees all alloc'd memory 2798 * associated with a MPT adapter structure. 2799 */ 2800 static void 2801 mpt_adapter_dispose(MPT_ADAPTER *ioc) 2802 { 2803 int sz_first, sz_last; 2804 2805 if (ioc == NULL) 2806 return; 2807 2808 sz_first = ioc->alloc_total; 2809 2810 mpt_adapter_disable(ioc); 2811 2812 if (ioc->pci_irq != -1) { 2813 free_irq(ioc->pci_irq, ioc); 2814 if (ioc->msi_enable) 2815 pci_disable_msi(ioc->pcidev); 2816 ioc->pci_irq = -1; 2817 } 2818 2819 if (ioc->memmap != NULL) { 2820 iounmap(ioc->memmap); 2821 ioc->memmap = NULL; 2822 } 2823 2824 pci_disable_device(ioc->pcidev); 2825 pci_release_selected_regions(ioc->pcidev, ioc->bars); 2826 2827 #if defined(CONFIG_MTRR) && 0 2828 if (ioc->mtrr_reg > 0) { 2829 mtrr_del(ioc->mtrr_reg, 0, 0); 2830 dprintk(ioc, printk(MYIOC_s_INFO_FMT "MTRR region de-registered\n", ioc->name)); 2831 } 2832 #endif 2833 2834 /* Zap the adapter lookup ptr! */ 2835 list_del(&ioc->list); 2836 2837 sz_last = ioc->alloc_total; 2838 dprintk(ioc, printk(MYIOC_s_INFO_FMT "free'd %d of %d bytes\n", 2839 ioc->name, sz_first-sz_last+(int)sizeof(*ioc), sz_first)); 2840 2841 if (ioc->alt_ioc) 2842 ioc->alt_ioc->alt_ioc = NULL; 2843 2844 kfree(ioc); 2845 } 2846 2847 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2848 /** 2849 * MptDisplayIocCapabilities - Disply IOC's capabilities. 2850 * @ioc: Pointer to MPT adapter structure 2851 */ 2852 static void 2853 MptDisplayIocCapabilities(MPT_ADAPTER *ioc) 2854 { 2855 int i = 0; 2856 2857 printk(KERN_INFO "%s: ", ioc->name); 2858 if (ioc->prod_name) 2859 printk("%s: ", ioc->prod_name); 2860 printk("Capabilities={"); 2861 2862 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_INITIATOR) { 2863 printk("Initiator"); 2864 i++; 2865 } 2866 2867 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) { 2868 printk("%sTarget", i ? "," : ""); 2869 i++; 2870 } 2871 2872 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) { 2873 printk("%sLAN", i ? "," : ""); 2874 i++; 2875 } 2876 2877 #if 0 2878 /* 2879 * This would probably evoke more questions than it's worth 2880 */ 2881 if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) { 2882 printk("%sLogBusAddr", i ? "," : ""); 2883 i++; 2884 } 2885 #endif 2886 2887 printk("}\n"); 2888 } 2889 2890 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2891 /** 2892 * MakeIocReady - Get IOC to a READY state, using KickStart if needed. 2893 * @ioc: Pointer to MPT_ADAPTER structure 2894 * @force: Force hard KickStart of IOC 2895 * @sleepFlag: Specifies whether the process can sleep 2896 * 2897 * Returns: 2898 * 1 - DIAG reset and READY 2899 * 0 - READY initially OR soft reset and READY 2900 * -1 - Any failure on KickStart 2901 * -2 - Msg Unit Reset Failed 2902 * -3 - IO Unit Reset Failed 2903 * -4 - IOC owned by a PEER 2904 */ 2905 static int 2906 MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag) 2907 { 2908 u32 ioc_state; 2909 int statefault = 0; 2910 int cntdn; 2911 int hard_reset_done = 0; 2912 int r; 2913 int ii; 2914 int whoinit; 2915 2916 /* Get current [raw] IOC state */ 2917 ioc_state = mpt_GetIocState(ioc, 0); 2918 dhsprintk(ioc, printk(MYIOC_s_INFO_FMT "MakeIocReady [raw] state=%08x\n", ioc->name, ioc_state)); 2919 2920 /* 2921 * Check to see if IOC got left/stuck in doorbell handshake 2922 * grip of death. If so, hard reset the IOC. 2923 */ 2924 if (ioc_state & MPI_DOORBELL_ACTIVE) { 2925 statefault = 1; 2926 printk(MYIOC_s_WARN_FMT "Unexpected doorbell active!\n", 2927 ioc->name); 2928 } 2929 2930 /* Is it already READY? */ 2931 if (!statefault && 2932 ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_READY)) { 2933 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 2934 "IOC is in READY state\n", ioc->name)); 2935 return 0; 2936 } 2937 2938 /* 2939 * Check to see if IOC is in FAULT state. 2940 */ 2941 if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) { 2942 statefault = 2; 2943 printk(MYIOC_s_WARN_FMT "IOC is in FAULT state!!!\n", 2944 ioc->name); 2945 printk(MYIOC_s_WARN_FMT " FAULT code = %04xh\n", 2946 ioc->name, ioc_state & MPI_DOORBELL_DATA_MASK); 2947 } 2948 2949 /* 2950 * Hmmm... Did it get left operational? 2951 */ 2952 if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL) { 2953 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOC operational unexpected\n", 2954 ioc->name)); 2955 2956 /* Check WhoInit. 2957 * If PCI Peer, exit. 2958 * Else, if no fault conditions are present, issue a MessageUnitReset 2959 * Else, fall through to KickStart case 2960 */ 2961 whoinit = (ioc_state & MPI_DOORBELL_WHO_INIT_MASK) >> MPI_DOORBELL_WHO_INIT_SHIFT; 2962 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT 2963 "whoinit 0x%x statefault %d force %d\n", 2964 ioc->name, whoinit, statefault, force)); 2965 if (whoinit == MPI_WHOINIT_PCI_PEER) 2966 return -4; 2967 else { 2968 if ((statefault == 0 ) && (force == 0)) { 2969 if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) == 0) 2970 return 0; 2971 } 2972 statefault = 3; 2973 } 2974 } 2975 2976 hard_reset_done = KickStart(ioc, statefault||force, sleepFlag); 2977 if (hard_reset_done < 0) 2978 return -1; 2979 2980 /* 2981 * Loop here waiting for IOC to come READY. 2982 */ 2983 ii = 0; 2984 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 5; /* 5 seconds */ 2985 2986 while ((ioc_state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) { 2987 if (ioc_state == MPI_IOC_STATE_OPERATIONAL) { 2988 /* 2989 * BIOS or previous driver load left IOC in OP state. 2990 * Reset messaging FIFOs. 2991 */ 2992 if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) != 0) { 2993 printk(MYIOC_s_ERR_FMT "IOC msg unit reset failed!\n", ioc->name); 2994 return -2; 2995 } 2996 } else if (ioc_state == MPI_IOC_STATE_RESET) { 2997 /* 2998 * Something is wrong. Try to get IOC back 2999 * to a known state. 3000 */ 3001 if ((r = SendIocReset(ioc, MPI_FUNCTION_IO_UNIT_RESET, sleepFlag)) != 0) { 3002 printk(MYIOC_s_ERR_FMT "IO unit reset failed!\n", ioc->name); 3003 return -3; 3004 } 3005 } 3006 3007 ii++; cntdn--; 3008 if (!cntdn) { 3009 printk(MYIOC_s_ERR_FMT 3010 "Wait IOC_READY state (0x%x) timeout(%d)!\n", 3011 ioc->name, ioc_state, (int)((ii+5)/HZ)); 3012 return -ETIME; 3013 } 3014 3015 if (sleepFlag == CAN_SLEEP) { 3016 msleep(1); 3017 } else { 3018 mdelay (1); /* 1 msec delay */ 3019 } 3020 3021 } 3022 3023 if (statefault < 3) { 3024 printk(MYIOC_s_INFO_FMT "Recovered from %s\n", ioc->name, 3025 statefault == 1 ? "stuck handshake" : "IOC FAULT"); 3026 } 3027 3028 return hard_reset_done; 3029 } 3030 3031 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3032 /** 3033 * mpt_GetIocState - Get the current state of a MPT adapter. 3034 * @ioc: Pointer to MPT_ADAPTER structure 3035 * @cooked: Request raw or cooked IOC state 3036 * 3037 * Returns all IOC Doorbell register bits if cooked==0, else just the 3038 * Doorbell bits in MPI_IOC_STATE_MASK. 3039 */ 3040 u32 3041 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked) 3042 { 3043 u32 s, sc; 3044 3045 /* Get! */ 3046 s = CHIPREG_READ32(&ioc->chip->Doorbell); 3047 sc = s & MPI_IOC_STATE_MASK; 3048 3049 /* Save! */ 3050 ioc->last_state = sc; 3051 3052 return cooked ? sc : s; 3053 } 3054 3055 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3056 /** 3057 * GetIocFacts - Send IOCFacts request to MPT adapter. 3058 * @ioc: Pointer to MPT_ADAPTER structure 3059 * @sleepFlag: Specifies whether the process can sleep 3060 * @reason: If recovery, only update facts. 3061 * 3062 * Returns 0 for success, non-zero for failure. 3063 */ 3064 static int 3065 GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason) 3066 { 3067 IOCFacts_t get_facts; 3068 IOCFactsReply_t *facts; 3069 int r; 3070 int req_sz; 3071 int reply_sz; 3072 int sz; 3073 u32 status, vv; 3074 u8 shiftFactor=1; 3075 3076 /* IOC *must* NOT be in RESET state! */ 3077 if (ioc->last_state == MPI_IOC_STATE_RESET) { 3078 printk(KERN_ERR MYNAM 3079 ": ERROR - Can't get IOCFacts, %s NOT READY! (%08x)\n", 3080 ioc->name, ioc->last_state); 3081 return -44; 3082 } 3083 3084 facts = &ioc->facts; 3085 3086 /* Destination (reply area)... */ 3087 reply_sz = sizeof(*facts); 3088 memset(facts, 0, reply_sz); 3089 3090 /* Request area (get_facts on the stack right now!) */ 3091 req_sz = sizeof(get_facts); 3092 memset(&get_facts, 0, req_sz); 3093 3094 get_facts.Function = MPI_FUNCTION_IOC_FACTS; 3095 /* Assert: All other get_facts fields are zero! */ 3096 3097 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3098 "Sending get IocFacts request req_sz=%d reply_sz=%d\n", 3099 ioc->name, req_sz, reply_sz)); 3100 3101 /* No non-zero fields in the get_facts request are greater than 3102 * 1 byte in size, so we can just fire it off as is. 3103 */ 3104 r = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_facts, 3105 reply_sz, (u16*)facts, 5 /*seconds*/, sleepFlag); 3106 if (r != 0) 3107 return r; 3108 3109 /* 3110 * Now byte swap (GRRR) the necessary fields before any further 3111 * inspection of reply contents. 3112 * 3113 * But need to do some sanity checks on MsgLength (byte) field 3114 * to make sure we don't zero IOC's req_sz! 3115 */ 3116 /* Did we get a valid reply? */ 3117 if (facts->MsgLength > offsetof(IOCFactsReply_t, RequestFrameSize)/sizeof(u32)) { 3118 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) { 3119 /* 3120 * If not been here, done that, save off first WhoInit value 3121 */ 3122 if (ioc->FirstWhoInit == WHOINIT_UNKNOWN) 3123 ioc->FirstWhoInit = facts->WhoInit; 3124 } 3125 3126 facts->MsgVersion = le16_to_cpu(facts->MsgVersion); 3127 facts->MsgContext = le32_to_cpu(facts->MsgContext); 3128 facts->IOCExceptions = le16_to_cpu(facts->IOCExceptions); 3129 facts->IOCStatus = le16_to_cpu(facts->IOCStatus); 3130 facts->IOCLogInfo = le32_to_cpu(facts->IOCLogInfo); 3131 status = le16_to_cpu(facts->IOCStatus) & MPI_IOCSTATUS_MASK; 3132 /* CHECKME! IOCStatus, IOCLogInfo */ 3133 3134 facts->ReplyQueueDepth = le16_to_cpu(facts->ReplyQueueDepth); 3135 facts->RequestFrameSize = le16_to_cpu(facts->RequestFrameSize); 3136 3137 /* 3138 * FC f/w version changed between 1.1 and 1.2 3139 * Old: u16{Major(4),Minor(4),SubMinor(8)} 3140 * New: u32{Major(8),Minor(8),Unit(8),Dev(8)} 3141 */ 3142 if (facts->MsgVersion < MPI_VERSION_01_02) { 3143 /* 3144 * Handle old FC f/w style, convert to new... 3145 */ 3146 u16 oldv = le16_to_cpu(facts->Reserved_0101_FWVersion); 3147 facts->FWVersion.Word = 3148 ((oldv<<12) & 0xFF000000) | 3149 ((oldv<<8) & 0x000FFF00); 3150 } else 3151 facts->FWVersion.Word = le32_to_cpu(facts->FWVersion.Word); 3152 3153 facts->ProductID = le16_to_cpu(facts->ProductID); 3154 3155 if ((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK) 3156 > MPI_FW_HEADER_PID_PROD_TARGET_SCSI) 3157 ioc->ir_firmware = 1; 3158 3159 facts->CurrentHostMfaHighAddr = 3160 le32_to_cpu(facts->CurrentHostMfaHighAddr); 3161 facts->GlobalCredits = le16_to_cpu(facts->GlobalCredits); 3162 facts->CurrentSenseBufferHighAddr = 3163 le32_to_cpu(facts->CurrentSenseBufferHighAddr); 3164 facts->CurReplyFrameSize = 3165 le16_to_cpu(facts->CurReplyFrameSize); 3166 facts->IOCCapabilities = le32_to_cpu(facts->IOCCapabilities); 3167 3168 /* 3169 * Handle NEW (!) IOCFactsReply fields in MPI-1.01.xx 3170 * Older MPI-1.00.xx struct had 13 dwords, and enlarged 3171 * to 14 in MPI-1.01.0x. 3172 */ 3173 if (facts->MsgLength >= (offsetof(IOCFactsReply_t,FWImageSize) + 7)/4 && 3174 facts->MsgVersion > MPI_VERSION_01_00) { 3175 facts->FWImageSize = le32_to_cpu(facts->FWImageSize); 3176 } 3177 3178 sz = facts->FWImageSize; 3179 if ( sz & 0x01 ) 3180 sz += 1; 3181 if ( sz & 0x02 ) 3182 sz += 2; 3183 facts->FWImageSize = sz; 3184 3185 if (!facts->RequestFrameSize) { 3186 /* Something is wrong! */ 3187 printk(MYIOC_s_ERR_FMT "IOC reported invalid 0 request size!\n", 3188 ioc->name); 3189 return -55; 3190 } 3191 3192 r = sz = facts->BlockSize; 3193 vv = ((63 / (sz * 4)) + 1) & 0x03; 3194 ioc->NB_for_64_byte_frame = vv; 3195 while ( sz ) 3196 { 3197 shiftFactor++; 3198 sz = sz >> 1; 3199 } 3200 ioc->NBShiftFactor = shiftFactor; 3201 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3202 "NB_for_64_byte_frame=%x NBShiftFactor=%x BlockSize=%x\n", 3203 ioc->name, vv, shiftFactor, r)); 3204 3205 if (reason == MPT_HOSTEVENT_IOC_BRINGUP) { 3206 /* 3207 * Set values for this IOC's request & reply frame sizes, 3208 * and request & reply queue depths... 3209 */ 3210 ioc->req_sz = min(MPT_DEFAULT_FRAME_SIZE, facts->RequestFrameSize * 4); 3211 ioc->req_depth = min_t(int, MPT_MAX_REQ_DEPTH, facts->GlobalCredits); 3212 ioc->reply_sz = MPT_REPLY_FRAME_SIZE; 3213 ioc->reply_depth = min_t(int, MPT_DEFAULT_REPLY_DEPTH, facts->ReplyQueueDepth); 3214 3215 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "reply_sz=%3d, reply_depth=%4d\n", 3216 ioc->name, ioc->reply_sz, ioc->reply_depth)); 3217 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "req_sz =%3d, req_depth =%4d\n", 3218 ioc->name, ioc->req_sz, ioc->req_depth)); 3219 3220 /* Get port facts! */ 3221 if ( (r = GetPortFacts(ioc, 0, sleepFlag)) != 0 ) 3222 return r; 3223 } 3224 } else { 3225 printk(MYIOC_s_ERR_FMT 3226 "Invalid IOC facts reply, msgLength=%d offsetof=%zd!\n", 3227 ioc->name, facts->MsgLength, (offsetof(IOCFactsReply_t, 3228 RequestFrameSize)/sizeof(u32))); 3229 return -66; 3230 } 3231 3232 return 0; 3233 } 3234 3235 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3236 /** 3237 * GetPortFacts - Send PortFacts request to MPT adapter. 3238 * @ioc: Pointer to MPT_ADAPTER structure 3239 * @portnum: Port number 3240 * @sleepFlag: Specifies whether the process can sleep 3241 * 3242 * Returns 0 for success, non-zero for failure. 3243 */ 3244 static int 3245 GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag) 3246 { 3247 PortFacts_t get_pfacts; 3248 PortFactsReply_t *pfacts; 3249 int ii; 3250 int req_sz; 3251 int reply_sz; 3252 int max_id; 3253 3254 /* IOC *must* NOT be in RESET state! */ 3255 if (ioc->last_state == MPI_IOC_STATE_RESET) { 3256 printk(MYIOC_s_ERR_FMT "Can't get PortFacts NOT READY! (%08x)\n", 3257 ioc->name, ioc->last_state ); 3258 return -4; 3259 } 3260 3261 pfacts = &ioc->pfacts[portnum]; 3262 3263 /* Destination (reply area)... */ 3264 reply_sz = sizeof(*pfacts); 3265 memset(pfacts, 0, reply_sz); 3266 3267 /* Request area (get_pfacts on the stack right now!) */ 3268 req_sz = sizeof(get_pfacts); 3269 memset(&get_pfacts, 0, req_sz); 3270 3271 get_pfacts.Function = MPI_FUNCTION_PORT_FACTS; 3272 get_pfacts.PortNumber = portnum; 3273 /* Assert: All other get_pfacts fields are zero! */ 3274 3275 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending get PortFacts(%d) request\n", 3276 ioc->name, portnum)); 3277 3278 /* No non-zero fields in the get_pfacts request are greater than 3279 * 1 byte in size, so we can just fire it off as is. 3280 */ 3281 ii = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_pfacts, 3282 reply_sz, (u16*)pfacts, 5 /*seconds*/, sleepFlag); 3283 if (ii != 0) 3284 return ii; 3285 3286 /* Did we get a valid reply? */ 3287 3288 /* Now byte swap the necessary fields in the response. */ 3289 pfacts->MsgContext = le32_to_cpu(pfacts->MsgContext); 3290 pfacts->IOCStatus = le16_to_cpu(pfacts->IOCStatus); 3291 pfacts->IOCLogInfo = le32_to_cpu(pfacts->IOCLogInfo); 3292 pfacts->MaxDevices = le16_to_cpu(pfacts->MaxDevices); 3293 pfacts->PortSCSIID = le16_to_cpu(pfacts->PortSCSIID); 3294 pfacts->ProtocolFlags = le16_to_cpu(pfacts->ProtocolFlags); 3295 pfacts->MaxPostedCmdBuffers = le16_to_cpu(pfacts->MaxPostedCmdBuffers); 3296 pfacts->MaxPersistentIDs = le16_to_cpu(pfacts->MaxPersistentIDs); 3297 pfacts->MaxLanBuckets = le16_to_cpu(pfacts->MaxLanBuckets); 3298 3299 max_id = (ioc->bus_type == SAS) ? pfacts->PortSCSIID : 3300 pfacts->MaxDevices; 3301 ioc->devices_per_bus = (max_id > 255) ? 256 : max_id; 3302 ioc->number_of_buses = (ioc->devices_per_bus < 256) ? 1 : max_id/256; 3303 3304 /* 3305 * Place all the devices on channels 3306 * 3307 * (for debuging) 3308 */ 3309 if (mpt_channel_mapping) { 3310 ioc->devices_per_bus = 1; 3311 ioc->number_of_buses = (max_id > 255) ? 255 : max_id; 3312 } 3313 3314 return 0; 3315 } 3316 3317 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3318 /** 3319 * SendIocInit - Send IOCInit request to MPT adapter. 3320 * @ioc: Pointer to MPT_ADAPTER structure 3321 * @sleepFlag: Specifies whether the process can sleep 3322 * 3323 * Send IOCInit followed by PortEnable to bring IOC to OPERATIONAL state. 3324 * 3325 * Returns 0 for success, non-zero for failure. 3326 */ 3327 static int 3328 SendIocInit(MPT_ADAPTER *ioc, int sleepFlag) 3329 { 3330 IOCInit_t ioc_init; 3331 MPIDefaultReply_t init_reply; 3332 u32 state; 3333 int r; 3334 int count; 3335 int cntdn; 3336 3337 memset(&ioc_init, 0, sizeof(ioc_init)); 3338 memset(&init_reply, 0, sizeof(init_reply)); 3339 3340 ioc_init.WhoInit = MPI_WHOINIT_HOST_DRIVER; 3341 ioc_init.Function = MPI_FUNCTION_IOC_INIT; 3342 3343 /* If we are in a recovery mode and we uploaded the FW image, 3344 * then this pointer is not NULL. Skip the upload a second time. 3345 * Set this flag if cached_fw set for either IOC. 3346 */ 3347 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT) 3348 ioc->upload_fw = 1; 3349 else 3350 ioc->upload_fw = 0; 3351 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "upload_fw %d facts.Flags=%x\n", 3352 ioc->name, ioc->upload_fw, ioc->facts.Flags)); 3353 3354 ioc_init.MaxDevices = (U8)ioc->devices_per_bus; 3355 ioc_init.MaxBuses = (U8)ioc->number_of_buses; 3356 3357 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "facts.MsgVersion=%x\n", 3358 ioc->name, ioc->facts.MsgVersion)); 3359 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05) { 3360 // set MsgVersion and HeaderVersion host driver was built with 3361 ioc_init.MsgVersion = cpu_to_le16(MPI_VERSION); 3362 ioc_init.HeaderVersion = cpu_to_le16(MPI_HEADER_VERSION); 3363 3364 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_HOST_PAGE_BUFFER_PERSISTENT) { 3365 ioc_init.HostPageBufferSGE = ioc->facts.HostPageBufferSGE; 3366 } else if(mpt_host_page_alloc(ioc, &ioc_init)) 3367 return -99; 3368 } 3369 ioc_init.ReplyFrameSize = cpu_to_le16(ioc->reply_sz); /* in BYTES */ 3370 3371 if (ioc->sg_addr_size == sizeof(u64)) { 3372 /* Save the upper 32-bits of the request 3373 * (reply) and sense buffers. 3374 */ 3375 ioc_init.HostMfaHighAddr = cpu_to_le32((u32)((u64)ioc->alloc_dma >> 32)); 3376 ioc_init.SenseBufferHighAddr = cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32)); 3377 } else { 3378 /* Force 32-bit addressing */ 3379 ioc_init.HostMfaHighAddr = cpu_to_le32(0); 3380 ioc_init.SenseBufferHighAddr = cpu_to_le32(0); 3381 } 3382 3383 ioc->facts.CurrentHostMfaHighAddr = ioc_init.HostMfaHighAddr; 3384 ioc->facts.CurrentSenseBufferHighAddr = ioc_init.SenseBufferHighAddr; 3385 ioc->facts.MaxDevices = ioc_init.MaxDevices; 3386 ioc->facts.MaxBuses = ioc_init.MaxBuses; 3387 3388 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOCInit (req @ %p)\n", 3389 ioc->name, &ioc_init)); 3390 3391 r = mpt_handshake_req_reply_wait(ioc, sizeof(IOCInit_t), (u32*)&ioc_init, 3392 sizeof(MPIDefaultReply_t), (u16*)&init_reply, 10 /*seconds*/, sleepFlag); 3393 if (r != 0) { 3394 printk(MYIOC_s_ERR_FMT "Sending IOCInit failed(%d)!\n",ioc->name, r); 3395 return r; 3396 } 3397 3398 /* No need to byte swap the multibyte fields in the reply 3399 * since we don't even look at its contents. 3400 */ 3401 3402 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending PortEnable (req @ %p)\n", 3403 ioc->name, &ioc_init)); 3404 3405 if ((r = SendPortEnable(ioc, 0, sleepFlag)) != 0) { 3406 printk(MYIOC_s_ERR_FMT "Sending PortEnable failed(%d)!\n",ioc->name, r); 3407 return r; 3408 } 3409 3410 /* YIKES! SUPER IMPORTANT!!! 3411 * Poll IocState until _OPERATIONAL while IOC is doing 3412 * LoopInit and TargetDiscovery! 3413 */ 3414 count = 0; 3415 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 60; /* 60 seconds */ 3416 state = mpt_GetIocState(ioc, 1); 3417 while (state != MPI_IOC_STATE_OPERATIONAL && --cntdn) { 3418 if (sleepFlag == CAN_SLEEP) { 3419 msleep(1); 3420 } else { 3421 mdelay(1); 3422 } 3423 3424 if (!cntdn) { 3425 printk(MYIOC_s_ERR_FMT "Wait IOC_OP state timeout(%d)!\n", 3426 ioc->name, (int)((count+5)/HZ)); 3427 return -9; 3428 } 3429 3430 state = mpt_GetIocState(ioc, 1); 3431 count++; 3432 } 3433 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wait IOC_OPERATIONAL state (cnt=%d)\n", 3434 ioc->name, count)); 3435 3436 ioc->aen_event_read_flag=0; 3437 return r; 3438 } 3439 3440 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3441 /** 3442 * SendPortEnable - Send PortEnable request to MPT adapter port. 3443 * @ioc: Pointer to MPT_ADAPTER structure 3444 * @portnum: Port number to enable 3445 * @sleepFlag: Specifies whether the process can sleep 3446 * 3447 * Send PortEnable to bring IOC to OPERATIONAL state. 3448 * 3449 * Returns 0 for success, non-zero for failure. 3450 */ 3451 static int 3452 SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag) 3453 { 3454 PortEnable_t port_enable; 3455 MPIDefaultReply_t reply_buf; 3456 int rc; 3457 int req_sz; 3458 int reply_sz; 3459 3460 /* Destination... */ 3461 reply_sz = sizeof(MPIDefaultReply_t); 3462 memset(&reply_buf, 0, reply_sz); 3463 3464 req_sz = sizeof(PortEnable_t); 3465 memset(&port_enable, 0, req_sz); 3466 3467 port_enable.Function = MPI_FUNCTION_PORT_ENABLE; 3468 port_enable.PortNumber = portnum; 3469 /* port_enable.ChainOffset = 0; */ 3470 /* port_enable.MsgFlags = 0; */ 3471 /* port_enable.MsgContext = 0; */ 3472 3473 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Port(%d)Enable (req @ %p)\n", 3474 ioc->name, portnum, &port_enable)); 3475 3476 /* RAID FW may take a long time to enable 3477 */ 3478 if (ioc->ir_firmware || ioc->bus_type == SAS) { 3479 rc = mpt_handshake_req_reply_wait(ioc, req_sz, 3480 (u32*)&port_enable, reply_sz, (u16*)&reply_buf, 3481 300 /*seconds*/, sleepFlag); 3482 } else { 3483 rc = mpt_handshake_req_reply_wait(ioc, req_sz, 3484 (u32*)&port_enable, reply_sz, (u16*)&reply_buf, 3485 30 /*seconds*/, sleepFlag); 3486 } 3487 return rc; 3488 } 3489 3490 /** 3491 * mpt_alloc_fw_memory - allocate firmware memory 3492 * @ioc: Pointer to MPT_ADAPTER structure 3493 * @size: total FW bytes 3494 * 3495 * If memory has already been allocated, the same (cached) value 3496 * is returned. 3497 * 3498 * Return 0 if successful, or non-zero for failure 3499 **/ 3500 int 3501 mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size) 3502 { 3503 int rc; 3504 3505 if (ioc->cached_fw) { 3506 rc = 0; /* use already allocated memory */ 3507 goto out; 3508 } 3509 else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) { 3510 ioc->cached_fw = ioc->alt_ioc->cached_fw; /* use alt_ioc's memory */ 3511 ioc->cached_fw_dma = ioc->alt_ioc->cached_fw_dma; 3512 rc = 0; 3513 goto out; 3514 } 3515 ioc->cached_fw = pci_alloc_consistent(ioc->pcidev, size, &ioc->cached_fw_dma); 3516 if (!ioc->cached_fw) { 3517 printk(MYIOC_s_ERR_FMT "Unable to allocate memory for the cached firmware image!\n", 3518 ioc->name); 3519 rc = -1; 3520 } else { 3521 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Image @ %p[%p], sz=%d[%x] bytes\n", 3522 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, size, size)); 3523 ioc->alloc_total += size; 3524 rc = 0; 3525 } 3526 out: 3527 return rc; 3528 } 3529 3530 /** 3531 * mpt_free_fw_memory - free firmware memory 3532 * @ioc: Pointer to MPT_ADAPTER structure 3533 * 3534 * If alt_img is NULL, delete from ioc structure. 3535 * Else, delete a secondary image in same format. 3536 **/ 3537 void 3538 mpt_free_fw_memory(MPT_ADAPTER *ioc) 3539 { 3540 int sz; 3541 3542 if (!ioc->cached_fw) 3543 return; 3544 3545 sz = ioc->facts.FWImageSize; 3546 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "free_fw_memory: FW Image @ %p[%p], sz=%d[%x] bytes\n", 3547 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz)); 3548 pci_free_consistent(ioc->pcidev, sz, ioc->cached_fw, ioc->cached_fw_dma); 3549 ioc->alloc_total -= sz; 3550 ioc->cached_fw = NULL; 3551 } 3552 3553 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3554 /** 3555 * mpt_do_upload - Construct and Send FWUpload request to MPT adapter port. 3556 * @ioc: Pointer to MPT_ADAPTER structure 3557 * @sleepFlag: Specifies whether the process can sleep 3558 * 3559 * Returns 0 for success, >0 for handshake failure 3560 * <0 for fw upload failure. 3561 * 3562 * Remark: If bound IOC and a successful FWUpload was performed 3563 * on the bound IOC, the second image is discarded 3564 * and memory is free'd. Both channels must upload to prevent 3565 * IOC from running in degraded mode. 3566 */ 3567 static int 3568 mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag) 3569 { 3570 u8 reply[sizeof(FWUploadReply_t)]; 3571 FWUpload_t *prequest; 3572 FWUploadReply_t *preply; 3573 FWUploadTCSGE_t *ptcsge; 3574 u32 flagsLength; 3575 int ii, sz, reply_sz; 3576 int cmdStatus; 3577 int request_size; 3578 /* If the image size is 0, we are done. 3579 */ 3580 if ((sz = ioc->facts.FWImageSize) == 0) 3581 return 0; 3582 3583 if (mpt_alloc_fw_memory(ioc, ioc->facts.FWImageSize) != 0) 3584 return -ENOMEM; 3585 3586 dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": FW Image @ %p[%p], sz=%d[%x] bytes\n", 3587 ioc->name, ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz)); 3588 3589 prequest = (sleepFlag == NO_SLEEP) ? kzalloc(ioc->req_sz, GFP_ATOMIC) : 3590 kzalloc(ioc->req_sz, GFP_KERNEL); 3591 if (!prequest) { 3592 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed " 3593 "while allocating memory \n", ioc->name)); 3594 mpt_free_fw_memory(ioc); 3595 return -ENOMEM; 3596 } 3597 3598 preply = (FWUploadReply_t *)&reply; 3599 3600 reply_sz = sizeof(reply); 3601 memset(preply, 0, reply_sz); 3602 3603 prequest->ImageType = MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM; 3604 prequest->Function = MPI_FUNCTION_FW_UPLOAD; 3605 3606 ptcsge = (FWUploadTCSGE_t *) &prequest->SGL; 3607 ptcsge->DetailsLength = 12; 3608 ptcsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT; 3609 ptcsge->ImageSize = cpu_to_le32(sz); 3610 ptcsge++; 3611 3612 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | sz; 3613 ioc->add_sge((char *)ptcsge, flagsLength, ioc->cached_fw_dma); 3614 request_size = offsetof(FWUpload_t, SGL) + sizeof(FWUploadTCSGE_t) + 3615 ioc->SGE_size; 3616 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending FW Upload " 3617 " (req @ %p) fw_size=%d mf_request_size=%d\n", ioc->name, prequest, 3618 ioc->facts.FWImageSize, request_size)); 3619 DBG_DUMP_FW_REQUEST_FRAME(ioc, (u32 *)prequest); 3620 3621 ii = mpt_handshake_req_reply_wait(ioc, request_size, (u32 *)prequest, 3622 reply_sz, (u16 *)preply, 65 /*seconds*/, sleepFlag); 3623 3624 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Upload completed " 3625 "rc=%x \n", ioc->name, ii)); 3626 3627 cmdStatus = -EFAULT; 3628 if (ii == 0) { 3629 /* Handshake transfer was complete and successful. 3630 * Check the Reply Frame. 3631 */ 3632 int status; 3633 status = le16_to_cpu(preply->IOCStatus) & 3634 MPI_IOCSTATUS_MASK; 3635 if (status == MPI_IOCSTATUS_SUCCESS && 3636 ioc->facts.FWImageSize == 3637 le32_to_cpu(preply->ActualImageSize)) 3638 cmdStatus = 0; 3639 } 3640 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": do_upload cmdStatus=%d \n", 3641 ioc->name, cmdStatus)); 3642 3643 3644 if (cmdStatus) { 3645 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed, " 3646 "freeing image \n", ioc->name)); 3647 mpt_free_fw_memory(ioc); 3648 } 3649 kfree(prequest); 3650 3651 return cmdStatus; 3652 } 3653 3654 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3655 /** 3656 * mpt_downloadboot - DownloadBoot code 3657 * @ioc: Pointer to MPT_ADAPTER structure 3658 * @pFwHeader: Pointer to firmware header info 3659 * @sleepFlag: Specifies whether the process can sleep 3660 * 3661 * FwDownloadBoot requires Programmed IO access. 3662 * 3663 * Returns 0 for success 3664 * -1 FW Image size is 0 3665 * -2 No valid cached_fw Pointer 3666 * <0 for fw upload failure. 3667 */ 3668 static int 3669 mpt_downloadboot(MPT_ADAPTER *ioc, MpiFwHeader_t *pFwHeader, int sleepFlag) 3670 { 3671 MpiExtImageHeader_t *pExtImage; 3672 u32 fwSize; 3673 u32 diag0val; 3674 int count; 3675 u32 *ptrFw; 3676 u32 diagRwData; 3677 u32 nextImage; 3678 u32 load_addr; 3679 u32 ioc_state=0; 3680 3681 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot: fw size 0x%x (%d), FW Ptr %p\n", 3682 ioc->name, pFwHeader->ImageSize, pFwHeader->ImageSize, pFwHeader)); 3683 3684 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); 3685 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE); 3686 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE); 3687 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE); 3688 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE); 3689 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE); 3690 3691 CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM)); 3692 3693 /* wait 1 msec */ 3694 if (sleepFlag == CAN_SLEEP) { 3695 msleep(1); 3696 } else { 3697 mdelay (1); 3698 } 3699 3700 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 3701 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER); 3702 3703 for (count = 0; count < 30; count ++) { 3704 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 3705 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) { 3706 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RESET_ADAPTER cleared, count=%d\n", 3707 ioc->name, count)); 3708 break; 3709 } 3710 /* wait .1 sec */ 3711 if (sleepFlag == CAN_SLEEP) { 3712 msleep (100); 3713 } else { 3714 mdelay (100); 3715 } 3716 } 3717 3718 if ( count == 30 ) { 3719 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot failed! " 3720 "Unable to get MPI_DIAG_DRWE mode, diag0val=%x\n", 3721 ioc->name, diag0val)); 3722 return -3; 3723 } 3724 3725 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); 3726 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE); 3727 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE); 3728 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE); 3729 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE); 3730 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE); 3731 3732 /* Set the DiagRwEn and Disable ARM bits */ 3733 CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_RW_ENABLE | MPI_DIAG_DISABLE_ARM)); 3734 3735 fwSize = (pFwHeader->ImageSize + 3)/4; 3736 ptrFw = (u32 *) pFwHeader; 3737 3738 /* Write the LoadStartAddress to the DiagRw Address Register 3739 * using Programmed IO 3740 */ 3741 if (ioc->errata_flag_1064) 3742 pci_enable_io_access(ioc->pcidev); 3743 3744 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->LoadStartAddress); 3745 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "LoadStart addr written 0x%x \n", 3746 ioc->name, pFwHeader->LoadStartAddress)); 3747 3748 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write FW Image: 0x%x bytes @ %p\n", 3749 ioc->name, fwSize*4, ptrFw)); 3750 while (fwSize--) { 3751 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++); 3752 } 3753 3754 nextImage = pFwHeader->NextImageHeaderOffset; 3755 while (nextImage) { 3756 pExtImage = (MpiExtImageHeader_t *) ((char *)pFwHeader + nextImage); 3757 3758 load_addr = pExtImage->LoadStartAddress; 3759 3760 fwSize = (pExtImage->ImageSize + 3) >> 2; 3761 ptrFw = (u32 *)pExtImage; 3762 3763 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write Ext Image: 0x%x (%d) bytes @ %p load_addr=%x\n", 3764 ioc->name, fwSize*4, fwSize*4, ptrFw, load_addr)); 3765 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, load_addr); 3766 3767 while (fwSize--) { 3768 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++); 3769 } 3770 nextImage = pExtImage->NextImageHeaderOffset; 3771 } 3772 3773 /* Write the IopResetVectorRegAddr */ 3774 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Addr=%x! \n", ioc->name, pFwHeader->IopResetRegAddr)); 3775 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->IopResetRegAddr); 3776 3777 /* Write the IopResetVectorValue */ 3778 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Write IopResetVector Value=%x! \n", ioc->name, pFwHeader->IopResetVectorValue)); 3779 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, pFwHeader->IopResetVectorValue); 3780 3781 /* Clear the internal flash bad bit - autoincrementing register, 3782 * so must do two writes. 3783 */ 3784 if (ioc->bus_type == SPI) { 3785 /* 3786 * 1030 and 1035 H/W errata, workaround to access 3787 * the ClearFlashBadSignatureBit 3788 */ 3789 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000); 3790 diagRwData = CHIPREG_PIO_READ32(&ioc->pio_chip->DiagRwData); 3791 diagRwData |= 0x40000000; 3792 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000); 3793 CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, diagRwData); 3794 3795 } else /* if((ioc->bus_type == SAS) || (ioc->bus_type == FC)) */ { 3796 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 3797 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | 3798 MPI_DIAG_CLEAR_FLASH_BAD_SIG); 3799 3800 /* wait 1 msec */ 3801 if (sleepFlag == CAN_SLEEP) { 3802 msleep (1); 3803 } else { 3804 mdelay (1); 3805 } 3806 } 3807 3808 if (ioc->errata_flag_1064) 3809 pci_disable_io_access(ioc->pcidev); 3810 3811 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 3812 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot diag0val=%x, " 3813 "turning off PREVENT_IOC_BOOT, DISABLE_ARM, RW_ENABLE\n", 3814 ioc->name, diag0val)); 3815 diag0val &= ~(MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM | MPI_DIAG_RW_ENABLE); 3816 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "downloadboot now diag0val=%x\n", 3817 ioc->name, diag0val)); 3818 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val); 3819 3820 /* Write 0xFF to reset the sequencer */ 3821 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); 3822 3823 if (ioc->bus_type == SAS) { 3824 ioc_state = mpt_GetIocState(ioc, 0); 3825 if ( (GetIocFacts(ioc, sleepFlag, 3826 MPT_HOSTEVENT_IOC_BRINGUP)) != 0 ) { 3827 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "GetIocFacts failed: IocState=%x\n", 3828 ioc->name, ioc_state)); 3829 return -EFAULT; 3830 } 3831 } 3832 3833 for (count=0; count<HZ*20; count++) { 3834 if ((ioc_state = mpt_GetIocState(ioc, 0)) & MPI_IOC_STATE_READY) { 3835 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3836 "downloadboot successful! (count=%d) IocState=%x\n", 3837 ioc->name, count, ioc_state)); 3838 if (ioc->bus_type == SAS) { 3839 return 0; 3840 } 3841 if ((SendIocInit(ioc, sleepFlag)) != 0) { 3842 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3843 "downloadboot: SendIocInit failed\n", 3844 ioc->name)); 3845 return -EFAULT; 3846 } 3847 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3848 "downloadboot: SendIocInit successful\n", 3849 ioc->name)); 3850 return 0; 3851 } 3852 if (sleepFlag == CAN_SLEEP) { 3853 msleep (10); 3854 } else { 3855 mdelay (10); 3856 } 3857 } 3858 ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3859 "downloadboot failed! IocState=%x\n",ioc->name, ioc_state)); 3860 return -EFAULT; 3861 } 3862 3863 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3864 /** 3865 * KickStart - Perform hard reset of MPT adapter. 3866 * @ioc: Pointer to MPT_ADAPTER structure 3867 * @force: Force hard reset 3868 * @sleepFlag: Specifies whether the process can sleep 3869 * 3870 * This routine places MPT adapter in diagnostic mode via the 3871 * WriteSequence register, and then performs a hard reset of adapter 3872 * via the Diagnostic register. 3873 * 3874 * Inputs: sleepflag - CAN_SLEEP (non-interrupt thread) 3875 * or NO_SLEEP (interrupt thread, use mdelay) 3876 * force - 1 if doorbell active, board fault state 3877 * board operational, IOC_RECOVERY or 3878 * IOC_BRINGUP and there is an alt_ioc. 3879 * 0 else 3880 * 3881 * Returns: 3882 * 1 - hard reset, READY 3883 * 0 - no reset due to History bit, READY 3884 * -1 - no reset due to History bit but not READY 3885 * OR reset but failed to come READY 3886 * -2 - no reset, could not enter DIAG mode 3887 * -3 - reset but bad FW bit 3888 */ 3889 static int 3890 KickStart(MPT_ADAPTER *ioc, int force, int sleepFlag) 3891 { 3892 int hard_reset_done = 0; 3893 u32 ioc_state=0; 3894 int cnt,cntdn; 3895 3896 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStarting!\n", ioc->name)); 3897 if (ioc->bus_type == SPI) { 3898 /* Always issue a Msg Unit Reset first. This will clear some 3899 * SCSI bus hang conditions. 3900 */ 3901 SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag); 3902 3903 if (sleepFlag == CAN_SLEEP) { 3904 msleep (1000); 3905 } else { 3906 mdelay (1000); 3907 } 3908 } 3909 3910 hard_reset_done = mpt_diag_reset(ioc, force, sleepFlag); 3911 if (hard_reset_done < 0) 3912 return hard_reset_done; 3913 3914 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset successful!\n", 3915 ioc->name)); 3916 3917 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 2; /* 2 seconds */ 3918 for (cnt=0; cnt<cntdn; cnt++) { 3919 ioc_state = mpt_GetIocState(ioc, 1); 3920 if ((ioc_state == MPI_IOC_STATE_READY) || (ioc_state == MPI_IOC_STATE_OPERATIONAL)) { 3921 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "KickStart successful! (cnt=%d)\n", 3922 ioc->name, cnt)); 3923 return hard_reset_done; 3924 } 3925 if (sleepFlag == CAN_SLEEP) { 3926 msleep (10); 3927 } else { 3928 mdelay (10); 3929 } 3930 } 3931 3932 dinitprintk(ioc, printk(MYIOC_s_ERR_FMT "Failed to come READY after reset! IocState=%x\n", 3933 ioc->name, mpt_GetIocState(ioc, 0))); 3934 return -1; 3935 } 3936 3937 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3938 /** 3939 * mpt_diag_reset - Perform hard reset of the adapter. 3940 * @ioc: Pointer to MPT_ADAPTER structure 3941 * @ignore: Set if to honor and clear to ignore 3942 * the reset history bit 3943 * @sleepFlag: CAN_SLEEP if called in a non-interrupt thread, 3944 * else set to NO_SLEEP (use mdelay instead) 3945 * 3946 * This routine places the adapter in diagnostic mode via the 3947 * WriteSequence register and then performs a hard reset of adapter 3948 * via the Diagnostic register. Adapter should be in ready state 3949 * upon successful completion. 3950 * 3951 * Returns: 1 hard reset successful 3952 * 0 no reset performed because reset history bit set 3953 * -2 enabling diagnostic mode failed 3954 * -3 diagnostic reset failed 3955 */ 3956 static int 3957 mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag) 3958 { 3959 u32 diag0val; 3960 u32 doorbell; 3961 int hard_reset_done = 0; 3962 int count = 0; 3963 u32 diag1val = 0; 3964 MpiFwHeader_t *cached_fw; /* Pointer to FW */ 3965 u8 cb_idx; 3966 3967 /* Clear any existing interrupts */ 3968 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 3969 3970 if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) { 3971 3972 if (!ignore) 3973 return 0; 3974 3975 drsprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: Doorbell=%p; 1078 reset " 3976 "address=%p\n", ioc->name, __func__, 3977 &ioc->chip->Doorbell, &ioc->chip->Reset_1078)); 3978 CHIPREG_WRITE32(&ioc->chip->Reset_1078, 0x07); 3979 if (sleepFlag == CAN_SLEEP) 3980 msleep(1); 3981 else 3982 mdelay(1); 3983 3984 /* 3985 * Call each currently registered protocol IOC reset handler 3986 * with pre-reset indication. 3987 * NOTE: If we're doing _IOC_BRINGUP, there can be no 3988 * MptResetHandlers[] registered yet. 3989 */ 3990 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 3991 if (MptResetHandlers[cb_idx]) 3992 (*(MptResetHandlers[cb_idx]))(ioc, 3993 MPT_IOC_PRE_RESET); 3994 } 3995 3996 for (count = 0; count < 60; count ++) { 3997 doorbell = CHIPREG_READ32(&ioc->chip->Doorbell); 3998 doorbell &= MPI_IOC_STATE_MASK; 3999 4000 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4001 "looking for READY STATE: doorbell=%x" 4002 " count=%d\n", 4003 ioc->name, doorbell, count)); 4004 4005 if (doorbell == MPI_IOC_STATE_READY) { 4006 return 1; 4007 } 4008 4009 /* wait 1 sec */ 4010 if (sleepFlag == CAN_SLEEP) 4011 msleep(1000); 4012 else 4013 mdelay(1000); 4014 } 4015 return -1; 4016 } 4017 4018 /* Use "Diagnostic reset" method! (only thing available!) */ 4019 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4020 4021 if (ioc->debug_level & MPT_DEBUG) { 4022 if (ioc->alt_ioc) 4023 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic); 4024 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG1: diag0=%08x, diag1=%08x\n", 4025 ioc->name, diag0val, diag1val)); 4026 } 4027 4028 /* Do the reset if we are told to ignore the reset history 4029 * or if the reset history is 0 4030 */ 4031 if (ignore || !(diag0val & MPI_DIAG_RESET_HISTORY)) { 4032 while ((diag0val & MPI_DIAG_DRWE) == 0) { 4033 /* Write magic sequence to WriteSequence register 4034 * Loop until in diagnostic mode 4035 */ 4036 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); 4037 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE); 4038 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE); 4039 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE); 4040 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE); 4041 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE); 4042 4043 /* wait 100 msec */ 4044 if (sleepFlag == CAN_SLEEP) { 4045 msleep (100); 4046 } else { 4047 mdelay (100); 4048 } 4049 4050 count++; 4051 if (count > 20) { 4052 printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n", 4053 ioc->name, diag0val); 4054 return -2; 4055 4056 } 4057 4058 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4059 4060 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Wrote magic DiagWriteEn sequence (%x)\n", 4061 ioc->name, diag0val)); 4062 } 4063 4064 if (ioc->debug_level & MPT_DEBUG) { 4065 if (ioc->alt_ioc) 4066 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic); 4067 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG2: diag0=%08x, diag1=%08x\n", 4068 ioc->name, diag0val, diag1val)); 4069 } 4070 /* 4071 * Disable the ARM (Bug fix) 4072 * 4073 */ 4074 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_DISABLE_ARM); 4075 mdelay(1); 4076 4077 /* 4078 * Now hit the reset bit in the Diagnostic register 4079 * (THE BIG HAMMER!) (Clears DRWE bit). 4080 */ 4081 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER); 4082 hard_reset_done = 1; 4083 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Diagnostic reset performed\n", 4084 ioc->name)); 4085 4086 /* 4087 * Call each currently registered protocol IOC reset handler 4088 * with pre-reset indication. 4089 * NOTE: If we're doing _IOC_BRINGUP, there can be no 4090 * MptResetHandlers[] registered yet. 4091 */ 4092 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 4093 if (MptResetHandlers[cb_idx]) { 4094 mpt_signal_reset(cb_idx, 4095 ioc, MPT_IOC_PRE_RESET); 4096 if (ioc->alt_ioc) { 4097 mpt_signal_reset(cb_idx, 4098 ioc->alt_ioc, MPT_IOC_PRE_RESET); 4099 } 4100 } 4101 } 4102 4103 if (ioc->cached_fw) 4104 cached_fw = (MpiFwHeader_t *)ioc->cached_fw; 4105 else if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) 4106 cached_fw = (MpiFwHeader_t *)ioc->alt_ioc->cached_fw; 4107 else 4108 cached_fw = NULL; 4109 if (cached_fw) { 4110 /* If the DownloadBoot operation fails, the 4111 * IOC will be left unusable. This is a fatal error 4112 * case. _diag_reset will return < 0 4113 */ 4114 for (count = 0; count < 30; count ++) { 4115 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4116 if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) { 4117 break; 4118 } 4119 4120 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "cached_fw: diag0val=%x count=%d\n", 4121 ioc->name, diag0val, count)); 4122 /* wait 1 sec */ 4123 if (sleepFlag == CAN_SLEEP) { 4124 msleep (1000); 4125 } else { 4126 mdelay (1000); 4127 } 4128 } 4129 if ((count = mpt_downloadboot(ioc, cached_fw, sleepFlag)) < 0) { 4130 printk(MYIOC_s_WARN_FMT 4131 "firmware downloadboot failure (%d)!\n", ioc->name, count); 4132 } 4133 4134 } else { 4135 /* Wait for FW to reload and for board 4136 * to go to the READY state. 4137 * Maximum wait is 60 seconds. 4138 * If fail, no error will check again 4139 * with calling program. 4140 */ 4141 for (count = 0; count < 60; count ++) { 4142 doorbell = CHIPREG_READ32(&ioc->chip->Doorbell); 4143 doorbell &= MPI_IOC_STATE_MASK; 4144 4145 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4146 "looking for READY STATE: doorbell=%x" 4147 " count=%d\n", ioc->name, doorbell, count)); 4148 4149 if (doorbell == MPI_IOC_STATE_READY) { 4150 break; 4151 } 4152 4153 /* wait 1 sec */ 4154 if (sleepFlag == CAN_SLEEP) { 4155 msleep (1000); 4156 } else { 4157 mdelay (1000); 4158 } 4159 } 4160 4161 if (doorbell != MPI_IOC_STATE_READY) 4162 printk(MYIOC_s_ERR_FMT "Failed to come READY " 4163 "after reset! IocState=%x", ioc->name, 4164 doorbell); 4165 } 4166 } 4167 4168 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4169 if (ioc->debug_level & MPT_DEBUG) { 4170 if (ioc->alt_ioc) 4171 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic); 4172 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG3: diag0=%08x, diag1=%08x\n", 4173 ioc->name, diag0val, diag1val)); 4174 } 4175 4176 /* Clear RESET_HISTORY bit! Place board in the 4177 * diagnostic mode to update the diag register. 4178 */ 4179 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4180 count = 0; 4181 while ((diag0val & MPI_DIAG_DRWE) == 0) { 4182 /* Write magic sequence to WriteSequence register 4183 * Loop until in diagnostic mode 4184 */ 4185 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF); 4186 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE); 4187 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE); 4188 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE); 4189 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE); 4190 CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE); 4191 4192 /* wait 100 msec */ 4193 if (sleepFlag == CAN_SLEEP) { 4194 msleep (100); 4195 } else { 4196 mdelay (100); 4197 } 4198 4199 count++; 4200 if (count > 20) { 4201 printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n", 4202 ioc->name, diag0val); 4203 break; 4204 } 4205 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4206 } 4207 diag0val &= ~MPI_DIAG_RESET_HISTORY; 4208 CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val); 4209 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4210 if (diag0val & MPI_DIAG_RESET_HISTORY) { 4211 printk(MYIOC_s_WARN_FMT "ResetHistory bit failed to clear!\n", 4212 ioc->name); 4213 } 4214 4215 /* Disable Diagnostic Mode 4216 */ 4217 CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFFFFFFFF); 4218 4219 /* Check FW reload status flags. 4220 */ 4221 diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic); 4222 if (diag0val & (MPI_DIAG_FLASH_BAD_SIG | MPI_DIAG_RESET_ADAPTER | MPI_DIAG_DISABLE_ARM)) { 4223 printk(MYIOC_s_ERR_FMT "Diagnostic reset FAILED! (%02xh)\n", 4224 ioc->name, diag0val); 4225 return -3; 4226 } 4227 4228 if (ioc->debug_level & MPT_DEBUG) { 4229 if (ioc->alt_ioc) 4230 diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic); 4231 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DbG4: diag0=%08x, diag1=%08x\n", 4232 ioc->name, diag0val, diag1val)); 4233 } 4234 4235 /* 4236 * Reset flag that says we've enabled event notification 4237 */ 4238 ioc->facts.EventState = 0; 4239 4240 if (ioc->alt_ioc) 4241 ioc->alt_ioc->facts.EventState = 0; 4242 4243 return hard_reset_done; 4244 } 4245 4246 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4247 /** 4248 * SendIocReset - Send IOCReset request to MPT adapter. 4249 * @ioc: Pointer to MPT_ADAPTER structure 4250 * @reset_type: reset type, expected values are 4251 * %MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET or %MPI_FUNCTION_IO_UNIT_RESET 4252 * @sleepFlag: Specifies whether the process can sleep 4253 * 4254 * Send IOCReset request to the MPT adapter. 4255 * 4256 * Returns 0 for success, non-zero for failure. 4257 */ 4258 static int 4259 SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag) 4260 { 4261 int r; 4262 u32 state; 4263 int cntdn, count; 4264 4265 drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending IOC reset(0x%02x)!\n", 4266 ioc->name, reset_type)); 4267 CHIPREG_WRITE32(&ioc->chip->Doorbell, reset_type<<MPI_DOORBELL_FUNCTION_SHIFT); 4268 if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) 4269 return r; 4270 4271 /* FW ACK'd request, wait for READY state 4272 */ 4273 count = 0; 4274 cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 15; /* 15 seconds */ 4275 4276 while ((state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) { 4277 cntdn--; 4278 count++; 4279 if (!cntdn) { 4280 if (sleepFlag != CAN_SLEEP) 4281 count *= 10; 4282 4283 printk(MYIOC_s_ERR_FMT 4284 "Wait IOC_READY state (0x%x) timeout(%d)!\n", 4285 ioc->name, state, (int)((count+5)/HZ)); 4286 return -ETIME; 4287 } 4288 4289 if (sleepFlag == CAN_SLEEP) { 4290 msleep(1); 4291 } else { 4292 mdelay (1); /* 1 msec delay */ 4293 } 4294 } 4295 4296 /* TODO! 4297 * Cleanup all event stuff for this IOC; re-issue EventNotification 4298 * request if needed. 4299 */ 4300 if (ioc->facts.Function) 4301 ioc->facts.EventState = 0; 4302 4303 return 0; 4304 } 4305 4306 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4307 /** 4308 * initChainBuffers - Allocate memory for and initialize chain buffers 4309 * @ioc: Pointer to MPT_ADAPTER structure 4310 * 4311 * Allocates memory for and initializes chain buffers, 4312 * chain buffer control arrays and spinlock. 4313 */ 4314 static int 4315 initChainBuffers(MPT_ADAPTER *ioc) 4316 { 4317 u8 *mem; 4318 int sz, ii, num_chain; 4319 int scale, num_sge, numSGE; 4320 4321 /* ReqToChain size must equal the req_depth 4322 * index = req_idx 4323 */ 4324 if (ioc->ReqToChain == NULL) { 4325 sz = ioc->req_depth * sizeof(int); 4326 mem = kmalloc(sz, GFP_ATOMIC); 4327 if (mem == NULL) 4328 return -1; 4329 4330 ioc->ReqToChain = (int *) mem; 4331 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReqToChain alloc @ %p, sz=%d bytes\n", 4332 ioc->name, mem, sz)); 4333 mem = kmalloc(sz, GFP_ATOMIC); 4334 if (mem == NULL) 4335 return -1; 4336 4337 ioc->RequestNB = (int *) mem; 4338 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestNB alloc @ %p, sz=%d bytes\n", 4339 ioc->name, mem, sz)); 4340 } 4341 for (ii = 0; ii < ioc->req_depth; ii++) { 4342 ioc->ReqToChain[ii] = MPT_HOST_NO_CHAIN; 4343 } 4344 4345 /* ChainToChain size must equal the total number 4346 * of chain buffers to be allocated. 4347 * index = chain_idx 4348 * 4349 * Calculate the number of chain buffers needed(plus 1) per I/O 4350 * then multiply the maximum number of simultaneous cmds 4351 * 4352 * num_sge = num sge in request frame + last chain buffer 4353 * scale = num sge per chain buffer if no chain element 4354 */ 4355 scale = ioc->req_sz / ioc->SGE_size; 4356 if (ioc->sg_addr_size == sizeof(u64)) 4357 num_sge = scale + (ioc->req_sz - 60) / ioc->SGE_size; 4358 else 4359 num_sge = 1 + scale + (ioc->req_sz - 64) / ioc->SGE_size; 4360 4361 if (ioc->sg_addr_size == sizeof(u64)) { 4362 numSGE = (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale + 4363 (ioc->req_sz - 60) / ioc->SGE_size; 4364 } else { 4365 numSGE = 1 + (scale - 1) * (ioc->facts.MaxChainDepth-1) + 4366 scale + (ioc->req_sz - 64) / ioc->SGE_size; 4367 } 4368 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "num_sge=%d numSGE=%d\n", 4369 ioc->name, num_sge, numSGE)); 4370 4371 if (ioc->bus_type == FC) { 4372 if (numSGE > MPT_SCSI_FC_SG_DEPTH) 4373 numSGE = MPT_SCSI_FC_SG_DEPTH; 4374 } else { 4375 if (numSGE > MPT_SCSI_SG_DEPTH) 4376 numSGE = MPT_SCSI_SG_DEPTH; 4377 } 4378 4379 num_chain = 1; 4380 while (numSGE - num_sge > 0) { 4381 num_chain++; 4382 num_sge += (scale - 1); 4383 } 4384 num_chain++; 4385 4386 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Now numSGE=%d num_sge=%d num_chain=%d\n", 4387 ioc->name, numSGE, num_sge, num_chain)); 4388 4389 if (ioc->bus_type == SPI) 4390 num_chain *= MPT_SCSI_CAN_QUEUE; 4391 else if (ioc->bus_type == SAS) 4392 num_chain *= MPT_SAS_CAN_QUEUE; 4393 else 4394 num_chain *= MPT_FC_CAN_QUEUE; 4395 4396 ioc->num_chain = num_chain; 4397 4398 sz = num_chain * sizeof(int); 4399 if (ioc->ChainToChain == NULL) { 4400 mem = kmalloc(sz, GFP_ATOMIC); 4401 if (mem == NULL) 4402 return -1; 4403 4404 ioc->ChainToChain = (int *) mem; 4405 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainToChain alloc @ %p, sz=%d bytes\n", 4406 ioc->name, mem, sz)); 4407 } else { 4408 mem = (u8 *) ioc->ChainToChain; 4409 } 4410 memset(mem, 0xFF, sz); 4411 return num_chain; 4412 } 4413 4414 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4415 /** 4416 * PrimeIocFifos - Initialize IOC request and reply FIFOs. 4417 * @ioc: Pointer to MPT_ADAPTER structure 4418 * 4419 * This routine allocates memory for the MPT reply and request frame 4420 * pools (if necessary), and primes the IOC reply FIFO with 4421 * reply frames. 4422 * 4423 * Returns 0 for success, non-zero for failure. 4424 */ 4425 static int 4426 PrimeIocFifos(MPT_ADAPTER *ioc) 4427 { 4428 MPT_FRAME_HDR *mf; 4429 unsigned long flags; 4430 dma_addr_t alloc_dma; 4431 u8 *mem; 4432 int i, reply_sz, sz, total_size, num_chain; 4433 u64 dma_mask; 4434 4435 dma_mask = 0; 4436 4437 /* Prime reply FIFO... */ 4438 4439 if (ioc->reply_frames == NULL) { 4440 if ( (num_chain = initChainBuffers(ioc)) < 0) 4441 return -1; 4442 /* 4443 * 1078 errata workaround for the 36GB limitation 4444 */ 4445 if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078 && 4446 ioc->dma_mask > DMA_BIT_MASK(35)) { 4447 if (!pci_set_dma_mask(ioc->pcidev, DMA_BIT_MASK(32)) 4448 && !pci_set_consistent_dma_mask(ioc->pcidev, 4449 DMA_BIT_MASK(32))) { 4450 dma_mask = DMA_BIT_MASK(35); 4451 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4452 "setting 35 bit addressing for " 4453 "Request/Reply/Chain and Sense Buffers\n", 4454 ioc->name)); 4455 } else { 4456 /*Reseting DMA mask to 64 bit*/ 4457 pci_set_dma_mask(ioc->pcidev, 4458 DMA_BIT_MASK(64)); 4459 pci_set_consistent_dma_mask(ioc->pcidev, 4460 DMA_BIT_MASK(64)); 4461 4462 printk(MYIOC_s_ERR_FMT 4463 "failed setting 35 bit addressing for " 4464 "Request/Reply/Chain and Sense Buffers\n", 4465 ioc->name); 4466 return -1; 4467 } 4468 } 4469 4470 total_size = reply_sz = (ioc->reply_sz * ioc->reply_depth); 4471 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d bytes, ReplyDepth=%d\n", 4472 ioc->name, ioc->reply_sz, ioc->reply_depth)); 4473 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d[%x] bytes\n", 4474 ioc->name, reply_sz, reply_sz)); 4475 4476 sz = (ioc->req_sz * ioc->req_depth); 4477 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d bytes, RequestDepth=%d\n", 4478 ioc->name, ioc->req_sz, ioc->req_depth)); 4479 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffer sz=%d[%x] bytes\n", 4480 ioc->name, sz, sz)); 4481 total_size += sz; 4482 4483 sz = num_chain * ioc->req_sz; /* chain buffer pool size */ 4484 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d bytes, ChainDepth=%d\n", 4485 ioc->name, ioc->req_sz, num_chain)); 4486 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffer sz=%d[%x] bytes num_chain=%d\n", 4487 ioc->name, sz, sz, num_chain)); 4488 4489 total_size += sz; 4490 mem = pci_alloc_consistent(ioc->pcidev, total_size, &alloc_dma); 4491 if (mem == NULL) { 4492 printk(MYIOC_s_ERR_FMT "Unable to allocate Reply, Request, Chain Buffers!\n", 4493 ioc->name); 4494 goto out_fail; 4495 } 4496 4497 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Total alloc @ %p[%p], sz=%d[%x] bytes\n", 4498 ioc->name, mem, (void *)(ulong)alloc_dma, total_size, total_size)); 4499 4500 memset(mem, 0, total_size); 4501 ioc->alloc_total += total_size; 4502 ioc->alloc = mem; 4503 ioc->alloc_dma = alloc_dma; 4504 ioc->alloc_sz = total_size; 4505 ioc->reply_frames = (MPT_FRAME_HDR *) mem; 4506 ioc->reply_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF); 4507 4508 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n", 4509 ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma)); 4510 4511 alloc_dma += reply_sz; 4512 mem += reply_sz; 4513 4514 /* Request FIFO - WE manage this! */ 4515 4516 ioc->req_frames = (MPT_FRAME_HDR *) mem; 4517 ioc->req_frames_dma = alloc_dma; 4518 4519 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RequestBuffers @ %p[%p]\n", 4520 ioc->name, mem, (void *)(ulong)alloc_dma)); 4521 4522 ioc->req_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF); 4523 4524 #if defined(CONFIG_MTRR) && 0 4525 /* 4526 * Enable Write Combining MTRR for IOC's memory region. 4527 * (at least as much as we can; "size and base must be 4528 * multiples of 4 kiB" 4529 */ 4530 ioc->mtrr_reg = mtrr_add(ioc->req_frames_dma, 4531 sz, 4532 MTRR_TYPE_WRCOMB, 1); 4533 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MTRR region registered (base:size=%08x:%x)\n", 4534 ioc->name, ioc->req_frames_dma, sz)); 4535 #endif 4536 4537 for (i = 0; i < ioc->req_depth; i++) { 4538 alloc_dma += ioc->req_sz; 4539 mem += ioc->req_sz; 4540 } 4541 4542 ioc->ChainBuffer = mem; 4543 ioc->ChainBufferDMA = alloc_dma; 4544 4545 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ChainBuffers @ %p(%p)\n", 4546 ioc->name, ioc->ChainBuffer, (void *)(ulong)ioc->ChainBufferDMA)); 4547 4548 /* Initialize the free chain Q. 4549 */ 4550 4551 INIT_LIST_HEAD(&ioc->FreeChainQ); 4552 4553 /* Post the chain buffers to the FreeChainQ. 4554 */ 4555 mem = (u8 *)ioc->ChainBuffer; 4556 for (i=0; i < num_chain; i++) { 4557 mf = (MPT_FRAME_HDR *) mem; 4558 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeChainQ); 4559 mem += ioc->req_sz; 4560 } 4561 4562 /* Initialize Request frames linked list 4563 */ 4564 alloc_dma = ioc->req_frames_dma; 4565 mem = (u8 *) ioc->req_frames; 4566 4567 spin_lock_irqsave(&ioc->FreeQlock, flags); 4568 INIT_LIST_HEAD(&ioc->FreeQ); 4569 for (i = 0; i < ioc->req_depth; i++) { 4570 mf = (MPT_FRAME_HDR *) mem; 4571 4572 /* Queue REQUESTs *internally*! */ 4573 list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ); 4574 4575 mem += ioc->req_sz; 4576 } 4577 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 4578 4579 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC); 4580 ioc->sense_buf_pool = 4581 pci_alloc_consistent(ioc->pcidev, sz, &ioc->sense_buf_pool_dma); 4582 if (ioc->sense_buf_pool == NULL) { 4583 printk(MYIOC_s_ERR_FMT "Unable to allocate Sense Buffers!\n", 4584 ioc->name); 4585 goto out_fail; 4586 } 4587 4588 ioc->sense_buf_low_dma = (u32) (ioc->sense_buf_pool_dma & 0xFFFFFFFF); 4589 ioc->alloc_total += sz; 4590 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SenseBuffers @ %p[%p]\n", 4591 ioc->name, ioc->sense_buf_pool, (void *)(ulong)ioc->sense_buf_pool_dma)); 4592 4593 } 4594 4595 /* Post Reply frames to FIFO 4596 */ 4597 alloc_dma = ioc->alloc_dma; 4598 dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffers @ %p[%p]\n", 4599 ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma)); 4600 4601 for (i = 0; i < ioc->reply_depth; i++) { 4602 /* Write each address to the IOC! */ 4603 CHIPREG_WRITE32(&ioc->chip->ReplyFifo, alloc_dma); 4604 alloc_dma += ioc->reply_sz; 4605 } 4606 4607 if (dma_mask == DMA_BIT_MASK(35) && !pci_set_dma_mask(ioc->pcidev, 4608 ioc->dma_mask) && !pci_set_consistent_dma_mask(ioc->pcidev, 4609 ioc->dma_mask)) 4610 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4611 "restoring 64 bit addressing\n", ioc->name)); 4612 4613 return 0; 4614 4615 out_fail: 4616 4617 if (ioc->alloc != NULL) { 4618 sz = ioc->alloc_sz; 4619 pci_free_consistent(ioc->pcidev, 4620 sz, 4621 ioc->alloc, ioc->alloc_dma); 4622 ioc->reply_frames = NULL; 4623 ioc->req_frames = NULL; 4624 ioc->alloc_total -= sz; 4625 } 4626 if (ioc->sense_buf_pool != NULL) { 4627 sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC); 4628 pci_free_consistent(ioc->pcidev, 4629 sz, 4630 ioc->sense_buf_pool, ioc->sense_buf_pool_dma); 4631 ioc->sense_buf_pool = NULL; 4632 } 4633 4634 if (dma_mask == DMA_BIT_MASK(35) && !pci_set_dma_mask(ioc->pcidev, 4635 DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(ioc->pcidev, 4636 DMA_BIT_MASK(64))) 4637 d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4638 "restoring 64 bit addressing\n", ioc->name)); 4639 4640 return -1; 4641 } 4642 4643 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4644 /** 4645 * mpt_handshake_req_reply_wait - Send MPT request to and receive reply 4646 * from IOC via doorbell handshake method. 4647 * @ioc: Pointer to MPT_ADAPTER structure 4648 * @reqBytes: Size of the request in bytes 4649 * @req: Pointer to MPT request frame 4650 * @replyBytes: Expected size of the reply in bytes 4651 * @u16reply: Pointer to area where reply should be written 4652 * @maxwait: Max wait time for a reply (in seconds) 4653 * @sleepFlag: Specifies whether the process can sleep 4654 * 4655 * NOTES: It is the callers responsibility to byte-swap fields in the 4656 * request which are greater than 1 byte in size. It is also the 4657 * callers responsibility to byte-swap response fields which are 4658 * greater than 1 byte in size. 4659 * 4660 * Returns 0 for success, non-zero for failure. 4661 */ 4662 static int 4663 mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req, 4664 int replyBytes, u16 *u16reply, int maxwait, int sleepFlag) 4665 { 4666 MPIDefaultReply_t *mptReply; 4667 int failcnt = 0; 4668 int t; 4669 4670 /* 4671 * Get ready to cache a handshake reply 4672 */ 4673 ioc->hs_reply_idx = 0; 4674 mptReply = (MPIDefaultReply_t *) ioc->hs_reply; 4675 mptReply->MsgLength = 0; 4676 4677 /* 4678 * Make sure there are no doorbells (WRITE 0 to IntStatus reg), 4679 * then tell IOC that we want to handshake a request of N words. 4680 * (WRITE u32val to Doorbell reg). 4681 */ 4682 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 4683 CHIPREG_WRITE32(&ioc->chip->Doorbell, 4684 ((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) | 4685 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT))); 4686 4687 /* 4688 * Wait for IOC's doorbell handshake int 4689 */ 4690 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) 4691 failcnt++; 4692 4693 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request start reqBytes=%d, WaitCnt=%d%s\n", 4694 ioc->name, reqBytes, t, failcnt ? " - MISSING DOORBELL HANDSHAKE!" : "")); 4695 4696 /* Read doorbell and check for active bit */ 4697 if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE)) 4698 return -1; 4699 4700 /* 4701 * Clear doorbell int (WRITE 0 to IntStatus reg), 4702 * then wait for IOC to ACKnowledge that it's ready for 4703 * our handshake request. 4704 */ 4705 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 4706 if (!failcnt && (t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) 4707 failcnt++; 4708 4709 if (!failcnt) { 4710 int ii; 4711 u8 *req_as_bytes = (u8 *) req; 4712 4713 /* 4714 * Stuff request words via doorbell handshake, 4715 * with ACK from IOC for each. 4716 */ 4717 for (ii = 0; !failcnt && ii < reqBytes/4; ii++) { 4718 u32 word = ((req_as_bytes[(ii*4) + 0] << 0) | 4719 (req_as_bytes[(ii*4) + 1] << 8) | 4720 (req_as_bytes[(ii*4) + 2] << 16) | 4721 (req_as_bytes[(ii*4) + 3] << 24)); 4722 4723 CHIPREG_WRITE32(&ioc->chip->Doorbell, word); 4724 if ((t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) 4725 failcnt++; 4726 } 4727 4728 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handshake request frame (@%p) header\n", ioc->name, req)); 4729 DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)req); 4730 4731 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake request post done, WaitCnt=%d%s\n", 4732 ioc->name, t, failcnt ? " - MISSING DOORBELL ACK!" : "")); 4733 4734 /* 4735 * Wait for completion of doorbell handshake reply from the IOC 4736 */ 4737 if (!failcnt && (t = WaitForDoorbellReply(ioc, maxwait, sleepFlag)) < 0) 4738 failcnt++; 4739 4740 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HandShake reply count=%d%s\n", 4741 ioc->name, t, failcnt ? " - MISSING DOORBELL REPLY!" : "")); 4742 4743 /* 4744 * Copy out the cached reply... 4745 */ 4746 for (ii=0; ii < min(replyBytes/2,mptReply->MsgLength*2); ii++) 4747 u16reply[ii] = ioc->hs_reply[ii]; 4748 } else { 4749 return -99; 4750 } 4751 4752 return -failcnt; 4753 } 4754 4755 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4756 /** 4757 * WaitForDoorbellAck - Wait for IOC doorbell handshake acknowledge 4758 * @ioc: Pointer to MPT_ADAPTER structure 4759 * @howlong: How long to wait (in seconds) 4760 * @sleepFlag: Specifies whether the process can sleep 4761 * 4762 * This routine waits (up to ~2 seconds max) for IOC doorbell 4763 * handshake ACKnowledge, indicated by the IOP_DOORBELL_STATUS 4764 * bit in its IntStatus register being clear. 4765 * 4766 * Returns a negative value on failure, else wait loop count. 4767 */ 4768 static int 4769 WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag) 4770 { 4771 int cntdn; 4772 int count = 0; 4773 u32 intstat=0; 4774 4775 cntdn = 1000 * howlong; 4776 4777 if (sleepFlag == CAN_SLEEP) { 4778 while (--cntdn) { 4779 msleep (1); 4780 intstat = CHIPREG_READ32(&ioc->chip->IntStatus); 4781 if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS)) 4782 break; 4783 count++; 4784 } 4785 } else { 4786 while (--cntdn) { 4787 udelay (1000); 4788 intstat = CHIPREG_READ32(&ioc->chip->IntStatus); 4789 if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS)) 4790 break; 4791 count++; 4792 } 4793 } 4794 4795 if (cntdn) { 4796 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell ACK (count=%d)\n", 4797 ioc->name, count)); 4798 return count; 4799 } 4800 4801 printk(MYIOC_s_ERR_FMT "Doorbell ACK timeout (count=%d), IntStatus=%x!\n", 4802 ioc->name, count, intstat); 4803 return -1; 4804 } 4805 4806 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4807 /** 4808 * WaitForDoorbellInt - Wait for IOC to set its doorbell interrupt bit 4809 * @ioc: Pointer to MPT_ADAPTER structure 4810 * @howlong: How long to wait (in seconds) 4811 * @sleepFlag: Specifies whether the process can sleep 4812 * 4813 * This routine waits (up to ~2 seconds max) for IOC doorbell interrupt 4814 * (MPI_HIS_DOORBELL_INTERRUPT) to be set in the IntStatus register. 4815 * 4816 * Returns a negative value on failure, else wait loop count. 4817 */ 4818 static int 4819 WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag) 4820 { 4821 int cntdn; 4822 int count = 0; 4823 u32 intstat=0; 4824 4825 cntdn = 1000 * howlong; 4826 if (sleepFlag == CAN_SLEEP) { 4827 while (--cntdn) { 4828 intstat = CHIPREG_READ32(&ioc->chip->IntStatus); 4829 if (intstat & MPI_HIS_DOORBELL_INTERRUPT) 4830 break; 4831 msleep(1); 4832 count++; 4833 } 4834 } else { 4835 while (--cntdn) { 4836 intstat = CHIPREG_READ32(&ioc->chip->IntStatus); 4837 if (intstat & MPI_HIS_DOORBELL_INTERRUPT) 4838 break; 4839 udelay (1000); 4840 count++; 4841 } 4842 } 4843 4844 if (cntdn) { 4845 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell INT (cnt=%d) howlong=%d\n", 4846 ioc->name, count, howlong)); 4847 return count; 4848 } 4849 4850 printk(MYIOC_s_ERR_FMT "Doorbell INT timeout (count=%d), IntStatus=%x!\n", 4851 ioc->name, count, intstat); 4852 return -1; 4853 } 4854 4855 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4856 /** 4857 * WaitForDoorbellReply - Wait for and capture an IOC handshake reply. 4858 * @ioc: Pointer to MPT_ADAPTER structure 4859 * @howlong: How long to wait (in seconds) 4860 * @sleepFlag: Specifies whether the process can sleep 4861 * 4862 * This routine polls the IOC for a handshake reply, 16 bits at a time. 4863 * Reply is cached to IOC private area large enough to hold a maximum 4864 * of 128 bytes of reply data. 4865 * 4866 * Returns a negative value on failure, else size of reply in WORDS. 4867 */ 4868 static int 4869 WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag) 4870 { 4871 int u16cnt = 0; 4872 int failcnt = 0; 4873 int t; 4874 u16 *hs_reply = ioc->hs_reply; 4875 volatile MPIDefaultReply_t *mptReply = (MPIDefaultReply_t *) ioc->hs_reply; 4876 u16 hword; 4877 4878 hs_reply[0] = hs_reply[1] = hs_reply[7] = 0; 4879 4880 /* 4881 * Get first two u16's so we can look at IOC's intended reply MsgLength 4882 */ 4883 u16cnt=0; 4884 if ((t = WaitForDoorbellInt(ioc, howlong, 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 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) 4890 failcnt++; 4891 else { 4892 hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF); 4893 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 4894 } 4895 } 4896 4897 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitCnt=%d First handshake reply word=%08x%s\n", 4898 ioc->name, t, le32_to_cpu(*(u32 *)hs_reply), 4899 failcnt ? " - MISSING DOORBELL HANDSHAKE!" : "")); 4900 4901 /* 4902 * If no error (and IOC said MsgLength is > 0), piece together 4903 * reply 16 bits at a time. 4904 */ 4905 for (u16cnt=2; !failcnt && u16cnt < (2 * mptReply->MsgLength); u16cnt++) { 4906 if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) 4907 failcnt++; 4908 hword = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF); 4909 /* don't overflow our IOC hs_reply[] buffer! */ 4910 if (u16cnt < ARRAY_SIZE(ioc->hs_reply)) 4911 hs_reply[u16cnt] = hword; 4912 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 4913 } 4914 4915 if (!failcnt && (t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) 4916 failcnt++; 4917 CHIPREG_WRITE32(&ioc->chip->IntStatus, 0); 4918 4919 if (failcnt) { 4920 printk(MYIOC_s_ERR_FMT "Handshake reply failure!\n", 4921 ioc->name); 4922 return -failcnt; 4923 } 4924 #if 0 4925 else if (u16cnt != (2 * mptReply->MsgLength)) { 4926 return -101; 4927 } 4928 else if ((mptReply->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 4929 return -102; 4930 } 4931 #endif 4932 4933 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Got Handshake reply:\n", ioc->name)); 4934 DBG_DUMP_REPLY_FRAME(ioc, (u32 *)mptReply); 4935 4936 dhsprintk(ioc, printk(MYIOC_s_DEBUG_FMT "WaitForDoorbell REPLY WaitCnt=%d (sz=%d)\n", 4937 ioc->name, t, u16cnt/2)); 4938 return u16cnt/2; 4939 } 4940 4941 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 4942 /** 4943 * GetLanConfigPages - Fetch LANConfig pages. 4944 * @ioc: Pointer to MPT_ADAPTER structure 4945 * 4946 * Return: 0 for success 4947 * -ENOMEM if no memory available 4948 * -EPERM if not allowed due to ISR context 4949 * -EAGAIN if no msg frames currently available 4950 * -EFAULT for non-successful reply or no reply (timeout) 4951 */ 4952 static int 4953 GetLanConfigPages(MPT_ADAPTER *ioc) 4954 { 4955 ConfigPageHeader_t hdr; 4956 CONFIGPARMS cfg; 4957 LANPage0_t *ppage0_alloc; 4958 dma_addr_t page0_dma; 4959 LANPage1_t *ppage1_alloc; 4960 dma_addr_t page1_dma; 4961 int rc = 0; 4962 int data_sz; 4963 int copy_sz; 4964 4965 /* Get LAN Page 0 header */ 4966 hdr.PageVersion = 0; 4967 hdr.PageLength = 0; 4968 hdr.PageNumber = 0; 4969 hdr.PageType = MPI_CONFIG_PAGETYPE_LAN; 4970 cfg.cfghdr.hdr = &hdr; 4971 cfg.physAddr = -1; 4972 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 4973 cfg.dir = 0; 4974 cfg.pageAddr = 0; 4975 cfg.timeout = 0; 4976 4977 if ((rc = mpt_config(ioc, &cfg)) != 0) 4978 return rc; 4979 4980 if (hdr.PageLength > 0) { 4981 data_sz = hdr.PageLength * 4; 4982 ppage0_alloc = (LANPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma); 4983 rc = -ENOMEM; 4984 if (ppage0_alloc) { 4985 memset((u8 *)ppage0_alloc, 0, data_sz); 4986 cfg.physAddr = page0_dma; 4987 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 4988 4989 if ((rc = mpt_config(ioc, &cfg)) == 0) { 4990 /* save the data */ 4991 copy_sz = min_t(int, sizeof(LANPage0_t), data_sz); 4992 memcpy(&ioc->lan_cnfg_page0, ppage0_alloc, copy_sz); 4993 4994 } 4995 4996 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma); 4997 4998 /* FIXME! 4999 * Normalize endianness of structure data, 5000 * by byte-swapping all > 1 byte fields! 5001 */ 5002 5003 } 5004 5005 if (rc) 5006 return rc; 5007 } 5008 5009 /* Get LAN Page 1 header */ 5010 hdr.PageVersion = 0; 5011 hdr.PageLength = 0; 5012 hdr.PageNumber = 1; 5013 hdr.PageType = MPI_CONFIG_PAGETYPE_LAN; 5014 cfg.cfghdr.hdr = &hdr; 5015 cfg.physAddr = -1; 5016 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5017 cfg.dir = 0; 5018 cfg.pageAddr = 0; 5019 5020 if ((rc = mpt_config(ioc, &cfg)) != 0) 5021 return rc; 5022 5023 if (hdr.PageLength == 0) 5024 return 0; 5025 5026 data_sz = hdr.PageLength * 4; 5027 rc = -ENOMEM; 5028 ppage1_alloc = (LANPage1_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page1_dma); 5029 if (ppage1_alloc) { 5030 memset((u8 *)ppage1_alloc, 0, data_sz); 5031 cfg.physAddr = page1_dma; 5032 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5033 5034 if ((rc = mpt_config(ioc, &cfg)) == 0) { 5035 /* save the data */ 5036 copy_sz = min_t(int, sizeof(LANPage1_t), data_sz); 5037 memcpy(&ioc->lan_cnfg_page1, ppage1_alloc, copy_sz); 5038 } 5039 5040 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage1_alloc, page1_dma); 5041 5042 /* FIXME! 5043 * Normalize endianness of structure data, 5044 * by byte-swapping all > 1 byte fields! 5045 */ 5046 5047 } 5048 5049 return rc; 5050 } 5051 5052 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 5053 /** 5054 * mptbase_sas_persist_operation - Perform operation on SAS Persistent Table 5055 * @ioc: Pointer to MPT_ADAPTER structure 5056 * @persist_opcode: see below 5057 * 5058 * MPI_SAS_OP_CLEAR_NOT_PRESENT - Free all persist TargetID mappings for 5059 * devices not currently present. 5060 * MPI_SAS_OP_CLEAR_ALL_PERSISTENT - Clear al persist TargetID mappings 5061 * 5062 * NOTE: Don't use not this function during interrupt time. 5063 * 5064 * Returns 0 for success, non-zero error 5065 */ 5066 5067 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 5068 int 5069 mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode) 5070 { 5071 SasIoUnitControlRequest_t *sasIoUnitCntrReq; 5072 SasIoUnitControlReply_t *sasIoUnitCntrReply; 5073 MPT_FRAME_HDR *mf = NULL; 5074 MPIHeader_t *mpi_hdr; 5075 int ret = 0; 5076 unsigned long timeleft; 5077 5078 mutex_lock(&ioc->mptbase_cmds.mutex); 5079 5080 /* init the internal cmd struct */ 5081 memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE); 5082 INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status) 5083 5084 /* insure garbage is not sent to fw */ 5085 switch(persist_opcode) { 5086 5087 case MPI_SAS_OP_CLEAR_NOT_PRESENT: 5088 case MPI_SAS_OP_CLEAR_ALL_PERSISTENT: 5089 break; 5090 5091 default: 5092 ret = -1; 5093 goto out; 5094 } 5095 5096 printk(KERN_DEBUG "%s: persist_opcode=%x\n", 5097 __func__, persist_opcode); 5098 5099 /* Get a MF for this command. 5100 */ 5101 if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) { 5102 printk(KERN_DEBUG "%s: no msg frames!\n", __func__); 5103 ret = -1; 5104 goto out; 5105 } 5106 5107 mpi_hdr = (MPIHeader_t *) mf; 5108 sasIoUnitCntrReq = (SasIoUnitControlRequest_t *)mf; 5109 memset(sasIoUnitCntrReq,0,sizeof(SasIoUnitControlRequest_t)); 5110 sasIoUnitCntrReq->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL; 5111 sasIoUnitCntrReq->MsgContext = mpi_hdr->MsgContext; 5112 sasIoUnitCntrReq->Operation = persist_opcode; 5113 5114 mpt_put_msg_frame(mpt_base_index, ioc, mf); 5115 timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done, 10*HZ); 5116 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 5117 ret = -ETIME; 5118 printk(KERN_DEBUG "%s: failed\n", __func__); 5119 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) 5120 goto out; 5121 if (!timeleft) { 5122 printk(MYIOC_s_WARN_FMT 5123 "Issuing Reset from %s!!, doorbell=0x%08x\n", 5124 ioc->name, __func__, mpt_GetIocState(ioc, 0)); 5125 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 5126 mpt_free_msg_frame(ioc, mf); 5127 } 5128 goto out; 5129 } 5130 5131 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { 5132 ret = -1; 5133 goto out; 5134 } 5135 5136 sasIoUnitCntrReply = 5137 (SasIoUnitControlReply_t *)ioc->mptbase_cmds.reply; 5138 if (le16_to_cpu(sasIoUnitCntrReply->IOCStatus) != MPI_IOCSTATUS_SUCCESS) { 5139 printk(KERN_DEBUG "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n", 5140 __func__, sasIoUnitCntrReply->IOCStatus, 5141 sasIoUnitCntrReply->IOCLogInfo); 5142 printk(KERN_DEBUG "%s: failed\n", __func__); 5143 ret = -1; 5144 } else 5145 printk(KERN_DEBUG "%s: success\n", __func__); 5146 out: 5147 5148 CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status) 5149 mutex_unlock(&ioc->mptbase_cmds.mutex); 5150 return ret; 5151 } 5152 5153 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 5154 5155 static void 5156 mptbase_raid_process_event_data(MPT_ADAPTER *ioc, 5157 MpiEventDataRaid_t * pRaidEventData) 5158 { 5159 int volume; 5160 int reason; 5161 int disk; 5162 int status; 5163 int flags; 5164 int state; 5165 5166 volume = pRaidEventData->VolumeID; 5167 reason = pRaidEventData->ReasonCode; 5168 disk = pRaidEventData->PhysDiskNum; 5169 status = le32_to_cpu(pRaidEventData->SettingsStatus); 5170 flags = (status >> 0) & 0xff; 5171 state = (status >> 8) & 0xff; 5172 5173 if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) { 5174 return; 5175 } 5176 5177 if ((reason >= MPI_EVENT_RAID_RC_PHYSDISK_CREATED && 5178 reason <= MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED) || 5179 (reason == MPI_EVENT_RAID_RC_SMART_DATA)) { 5180 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for PhysDisk %d id=%d\n", 5181 ioc->name, disk, volume); 5182 } else { 5183 printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for VolumeID %d\n", 5184 ioc->name, volume); 5185 } 5186 5187 switch(reason) { 5188 case MPI_EVENT_RAID_RC_VOLUME_CREATED: 5189 printk(MYIOC_s_INFO_FMT " volume has been created\n", 5190 ioc->name); 5191 break; 5192 5193 case MPI_EVENT_RAID_RC_VOLUME_DELETED: 5194 5195 printk(MYIOC_s_INFO_FMT " volume has been deleted\n", 5196 ioc->name); 5197 break; 5198 5199 case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED: 5200 printk(MYIOC_s_INFO_FMT " volume settings have been changed\n", 5201 ioc->name); 5202 break; 5203 5204 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED: 5205 printk(MYIOC_s_INFO_FMT " volume is now %s%s%s%s\n", 5206 ioc->name, 5207 state == MPI_RAIDVOL0_STATUS_STATE_OPTIMAL 5208 ? "optimal" 5209 : state == MPI_RAIDVOL0_STATUS_STATE_DEGRADED 5210 ? "degraded" 5211 : state == MPI_RAIDVOL0_STATUS_STATE_FAILED 5212 ? "failed" 5213 : "state unknown", 5214 flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED 5215 ? ", enabled" : "", 5216 flags & MPI_RAIDVOL0_STATUS_FLAG_QUIESCED 5217 ? ", quiesced" : "", 5218 flags & MPI_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS 5219 ? ", resync in progress" : "" ); 5220 break; 5221 5222 case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED: 5223 printk(MYIOC_s_INFO_FMT " volume membership of PhysDisk %d has changed\n", 5224 ioc->name, disk); 5225 break; 5226 5227 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED: 5228 printk(MYIOC_s_INFO_FMT " PhysDisk has been created\n", 5229 ioc->name); 5230 break; 5231 5232 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED: 5233 printk(MYIOC_s_INFO_FMT " PhysDisk has been deleted\n", 5234 ioc->name); 5235 break; 5236 5237 case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED: 5238 printk(MYIOC_s_INFO_FMT " PhysDisk settings have been changed\n", 5239 ioc->name); 5240 break; 5241 5242 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED: 5243 printk(MYIOC_s_INFO_FMT " PhysDisk is now %s%s%s\n", 5244 ioc->name, 5245 state == MPI_PHYSDISK0_STATUS_ONLINE 5246 ? "online" 5247 : state == MPI_PHYSDISK0_STATUS_MISSING 5248 ? "missing" 5249 : state == MPI_PHYSDISK0_STATUS_NOT_COMPATIBLE 5250 ? "not compatible" 5251 : state == MPI_PHYSDISK0_STATUS_FAILED 5252 ? "failed" 5253 : state == MPI_PHYSDISK0_STATUS_INITIALIZING 5254 ? "initializing" 5255 : state == MPI_PHYSDISK0_STATUS_OFFLINE_REQUESTED 5256 ? "offline requested" 5257 : state == MPI_PHYSDISK0_STATUS_FAILED_REQUESTED 5258 ? "failed requested" 5259 : state == MPI_PHYSDISK0_STATUS_OTHER_OFFLINE 5260 ? "offline" 5261 : "state unknown", 5262 flags & MPI_PHYSDISK0_STATUS_FLAG_OUT_OF_SYNC 5263 ? ", out of sync" : "", 5264 flags & MPI_PHYSDISK0_STATUS_FLAG_QUIESCED 5265 ? ", quiesced" : "" ); 5266 break; 5267 5268 case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED: 5269 printk(MYIOC_s_INFO_FMT " Domain Validation needed for PhysDisk %d\n", 5270 ioc->name, disk); 5271 break; 5272 5273 case MPI_EVENT_RAID_RC_SMART_DATA: 5274 printk(MYIOC_s_INFO_FMT " SMART data received, ASC/ASCQ = %02xh/%02xh\n", 5275 ioc->name, pRaidEventData->ASC, pRaidEventData->ASCQ); 5276 break; 5277 5278 case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED: 5279 printk(MYIOC_s_INFO_FMT " replacement of PhysDisk %d has started\n", 5280 ioc->name, disk); 5281 break; 5282 } 5283 } 5284 5285 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 5286 /** 5287 * GetIoUnitPage2 - Retrieve BIOS version and boot order information. 5288 * @ioc: Pointer to MPT_ADAPTER structure 5289 * 5290 * Returns: 0 for success 5291 * -ENOMEM if no memory available 5292 * -EPERM if not allowed due to ISR context 5293 * -EAGAIN if no msg frames currently available 5294 * -EFAULT for non-successful reply or no reply (timeout) 5295 */ 5296 static int 5297 GetIoUnitPage2(MPT_ADAPTER *ioc) 5298 { 5299 ConfigPageHeader_t hdr; 5300 CONFIGPARMS cfg; 5301 IOUnitPage2_t *ppage_alloc; 5302 dma_addr_t page_dma; 5303 int data_sz; 5304 int rc; 5305 5306 /* Get the page header */ 5307 hdr.PageVersion = 0; 5308 hdr.PageLength = 0; 5309 hdr.PageNumber = 2; 5310 hdr.PageType = MPI_CONFIG_PAGETYPE_IO_UNIT; 5311 cfg.cfghdr.hdr = &hdr; 5312 cfg.physAddr = -1; 5313 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5314 cfg.dir = 0; 5315 cfg.pageAddr = 0; 5316 cfg.timeout = 0; 5317 5318 if ((rc = mpt_config(ioc, &cfg)) != 0) 5319 return rc; 5320 5321 if (hdr.PageLength == 0) 5322 return 0; 5323 5324 /* Read the config page */ 5325 data_sz = hdr.PageLength * 4; 5326 rc = -ENOMEM; 5327 ppage_alloc = (IOUnitPage2_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma); 5328 if (ppage_alloc) { 5329 memset((u8 *)ppage_alloc, 0, data_sz); 5330 cfg.physAddr = page_dma; 5331 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5332 5333 /* If Good, save data */ 5334 if ((rc = mpt_config(ioc, &cfg)) == 0) 5335 ioc->biosVersion = le32_to_cpu(ppage_alloc->BiosVersion); 5336 5337 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage_alloc, page_dma); 5338 } 5339 5340 return rc; 5341 } 5342 5343 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 5344 /** 5345 * mpt_GetScsiPortSettings - read SCSI Port Page 0 and 2 5346 * @ioc: Pointer to a Adapter Strucutre 5347 * @portnum: IOC port number 5348 * 5349 * Return: -EFAULT if read of config page header fails 5350 * or if no nvram 5351 * If read of SCSI Port Page 0 fails, 5352 * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF) 5353 * Adapter settings: async, narrow 5354 * Return 1 5355 * If read of SCSI Port Page 2 fails, 5356 * Adapter settings valid 5357 * NVRAM = MPT_HOST_NVRAM_INVALID (0xFFFFFFFF) 5358 * Return 1 5359 * Else 5360 * Both valid 5361 * Return 0 5362 * CHECK - what type of locking mechanisms should be used???? 5363 */ 5364 static int 5365 mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum) 5366 { 5367 u8 *pbuf; 5368 dma_addr_t buf_dma; 5369 CONFIGPARMS cfg; 5370 ConfigPageHeader_t header; 5371 int ii; 5372 int data, rc = 0; 5373 5374 /* Allocate memory 5375 */ 5376 if (!ioc->spi_data.nvram) { 5377 int sz; 5378 u8 *mem; 5379 sz = MPT_MAX_SCSI_DEVICES * sizeof(int); 5380 mem = kmalloc(sz, GFP_ATOMIC); 5381 if (mem == NULL) 5382 return -EFAULT; 5383 5384 ioc->spi_data.nvram = (int *) mem; 5385 5386 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SCSI device NVRAM settings @ %p, sz=%d\n", 5387 ioc->name, ioc->spi_data.nvram, sz)); 5388 } 5389 5390 /* Invalidate NVRAM information 5391 */ 5392 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) { 5393 ioc->spi_data.nvram[ii] = MPT_HOST_NVRAM_INVALID; 5394 } 5395 5396 /* Read SPP0 header, allocate memory, then read page. 5397 */ 5398 header.PageVersion = 0; 5399 header.PageLength = 0; 5400 header.PageNumber = 0; 5401 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT; 5402 cfg.cfghdr.hdr = &header; 5403 cfg.physAddr = -1; 5404 cfg.pageAddr = portnum; 5405 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5406 cfg.dir = 0; 5407 cfg.timeout = 0; /* use default */ 5408 if (mpt_config(ioc, &cfg) != 0) 5409 return -EFAULT; 5410 5411 if (header.PageLength > 0) { 5412 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma); 5413 if (pbuf) { 5414 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5415 cfg.physAddr = buf_dma; 5416 if (mpt_config(ioc, &cfg) != 0) { 5417 ioc->spi_data.maxBusWidth = MPT_NARROW; 5418 ioc->spi_data.maxSyncOffset = 0; 5419 ioc->spi_data.minSyncFactor = MPT_ASYNC; 5420 ioc->spi_data.busType = MPT_HOST_BUS_UNKNOWN; 5421 rc = 1; 5422 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT 5423 "Unable to read PortPage0 minSyncFactor=%x\n", 5424 ioc->name, ioc->spi_data.minSyncFactor)); 5425 } else { 5426 /* Save the Port Page 0 data 5427 */ 5428 SCSIPortPage0_t *pPP0 = (SCSIPortPage0_t *) pbuf; 5429 pPP0->Capabilities = le32_to_cpu(pPP0->Capabilities); 5430 pPP0->PhysicalInterface = le32_to_cpu(pPP0->PhysicalInterface); 5431 5432 if ( (pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_QAS) == 0 ) { 5433 ioc->spi_data.noQas |= MPT_TARGET_NO_NEGO_QAS; 5434 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT 5435 "noQas due to Capabilities=%x\n", 5436 ioc->name, pPP0->Capabilities)); 5437 } 5438 ioc->spi_data.maxBusWidth = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_WIDE ? 1 : 0; 5439 data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MAX_SYNC_OFFSET_MASK; 5440 if (data) { 5441 ioc->spi_data.maxSyncOffset = (u8) (data >> 16); 5442 data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MIN_SYNC_PERIOD_MASK; 5443 ioc->spi_data.minSyncFactor = (u8) (data >> 8); 5444 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT 5445 "PortPage0 minSyncFactor=%x\n", 5446 ioc->name, ioc->spi_data.minSyncFactor)); 5447 } else { 5448 ioc->spi_data.maxSyncOffset = 0; 5449 ioc->spi_data.minSyncFactor = MPT_ASYNC; 5450 } 5451 5452 ioc->spi_data.busType = pPP0->PhysicalInterface & MPI_SCSIPORTPAGE0_PHY_SIGNAL_TYPE_MASK; 5453 5454 /* Update the minSyncFactor based on bus type. 5455 */ 5456 if ((ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_HVD) || 5457 (ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_SE)) { 5458 5459 if (ioc->spi_data.minSyncFactor < MPT_ULTRA) { 5460 ioc->spi_data.minSyncFactor = MPT_ULTRA; 5461 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT 5462 "HVD or SE detected, minSyncFactor=%x\n", 5463 ioc->name, ioc->spi_data.minSyncFactor)); 5464 } 5465 } 5466 } 5467 if (pbuf) { 5468 pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma); 5469 } 5470 } 5471 } 5472 5473 /* SCSI Port Page 2 - Read the header then the page. 5474 */ 5475 header.PageVersion = 0; 5476 header.PageLength = 0; 5477 header.PageNumber = 2; 5478 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT; 5479 cfg.cfghdr.hdr = &header; 5480 cfg.physAddr = -1; 5481 cfg.pageAddr = portnum; 5482 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5483 cfg.dir = 0; 5484 if (mpt_config(ioc, &cfg) != 0) 5485 return -EFAULT; 5486 5487 if (header.PageLength > 0) { 5488 /* Allocate memory and read SCSI Port Page 2 5489 */ 5490 pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma); 5491 if (pbuf) { 5492 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_NVRAM; 5493 cfg.physAddr = buf_dma; 5494 if (mpt_config(ioc, &cfg) != 0) { 5495 /* Nvram data is left with INVALID mark 5496 */ 5497 rc = 1; 5498 } else if (ioc->pcidev->vendor == PCI_VENDOR_ID_ATTO) { 5499 5500 /* This is an ATTO adapter, read Page2 accordingly 5501 */ 5502 ATTO_SCSIPortPage2_t *pPP2 = (ATTO_SCSIPortPage2_t *) pbuf; 5503 ATTODeviceInfo_t *pdevice = NULL; 5504 u16 ATTOFlags; 5505 5506 /* Save the Port Page 2 data 5507 * (reformat into a 32bit quantity) 5508 */ 5509 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) { 5510 pdevice = &pPP2->DeviceSettings[ii]; 5511 ATTOFlags = le16_to_cpu(pdevice->ATTOFlags); 5512 data = 0; 5513 5514 /* Translate ATTO device flags to LSI format 5515 */ 5516 if (ATTOFlags & ATTOFLAG_DISC) 5517 data |= (MPI_SCSIPORTPAGE2_DEVICE_DISCONNECT_ENABLE); 5518 if (ATTOFlags & ATTOFLAG_ID_ENB) 5519 data |= (MPI_SCSIPORTPAGE2_DEVICE_ID_SCAN_ENABLE); 5520 if (ATTOFlags & ATTOFLAG_LUN_ENB) 5521 data |= (MPI_SCSIPORTPAGE2_DEVICE_LUN_SCAN_ENABLE); 5522 if (ATTOFlags & ATTOFLAG_TAGGED) 5523 data |= (MPI_SCSIPORTPAGE2_DEVICE_TAG_QUEUE_ENABLE); 5524 if (!(ATTOFlags & ATTOFLAG_WIDE_ENB)) 5525 data |= (MPI_SCSIPORTPAGE2_DEVICE_WIDE_DISABLE); 5526 5527 data = (data << 16) | (pdevice->Period << 8) | 10; 5528 ioc->spi_data.nvram[ii] = data; 5529 } 5530 } else { 5531 SCSIPortPage2_t *pPP2 = (SCSIPortPage2_t *) pbuf; 5532 MpiDeviceInfo_t *pdevice = NULL; 5533 5534 /* 5535 * Save "Set to Avoid SCSI Bus Resets" flag 5536 */ 5537 ioc->spi_data.bus_reset = 5538 (le32_to_cpu(pPP2->PortFlags) & 5539 MPI_SCSIPORTPAGE2_PORT_FLAGS_AVOID_SCSI_RESET) ? 5540 0 : 1 ; 5541 5542 /* Save the Port Page 2 data 5543 * (reformat into a 32bit quantity) 5544 */ 5545 data = le32_to_cpu(pPP2->PortFlags) & MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; 5546 ioc->spi_data.PortFlags = data; 5547 for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) { 5548 pdevice = &pPP2->DeviceSettings[ii]; 5549 data = (le16_to_cpu(pdevice->DeviceFlags) << 16) | 5550 (pdevice->SyncFactor << 8) | pdevice->Timeout; 5551 ioc->spi_data.nvram[ii] = data; 5552 } 5553 } 5554 5555 pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma); 5556 } 5557 } 5558 5559 /* Update Adapter limits with those from NVRAM 5560 * Comment: Don't need to do this. Target performance 5561 * parameters will never exceed the adapters limits. 5562 */ 5563 5564 return rc; 5565 } 5566 5567 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 5568 /** 5569 * mpt_readScsiDevicePageHeaders - save version and length of SDP1 5570 * @ioc: Pointer to a Adapter Strucutre 5571 * @portnum: IOC port number 5572 * 5573 * Return: -EFAULT if read of config page header fails 5574 * or 0 if success. 5575 */ 5576 static int 5577 mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum) 5578 { 5579 CONFIGPARMS cfg; 5580 ConfigPageHeader_t header; 5581 5582 /* Read the SCSI Device Page 1 header 5583 */ 5584 header.PageVersion = 0; 5585 header.PageLength = 0; 5586 header.PageNumber = 1; 5587 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; 5588 cfg.cfghdr.hdr = &header; 5589 cfg.physAddr = -1; 5590 cfg.pageAddr = portnum; 5591 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5592 cfg.dir = 0; 5593 cfg.timeout = 0; 5594 if (mpt_config(ioc, &cfg) != 0) 5595 return -EFAULT; 5596 5597 ioc->spi_data.sdp1version = cfg.cfghdr.hdr->PageVersion; 5598 ioc->spi_data.sdp1length = cfg.cfghdr.hdr->PageLength; 5599 5600 header.PageVersion = 0; 5601 header.PageLength = 0; 5602 header.PageNumber = 0; 5603 header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; 5604 if (mpt_config(ioc, &cfg) != 0) 5605 return -EFAULT; 5606 5607 ioc->spi_data.sdp0version = cfg.cfghdr.hdr->PageVersion; 5608 ioc->spi_data.sdp0length = cfg.cfghdr.hdr->PageLength; 5609 5610 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 0: version %d length %d\n", 5611 ioc->name, ioc->spi_data.sdp0version, ioc->spi_data.sdp0length)); 5612 5613 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Headers: 1: version %d length %d\n", 5614 ioc->name, ioc->spi_data.sdp1version, ioc->spi_data.sdp1length)); 5615 return 0; 5616 } 5617 5618 /** 5619 * mpt_inactive_raid_list_free - This clears this link list. 5620 * @ioc : pointer to per adapter structure 5621 **/ 5622 static void 5623 mpt_inactive_raid_list_free(MPT_ADAPTER *ioc) 5624 { 5625 struct inactive_raid_component_info *component_info, *pNext; 5626 5627 if (list_empty(&ioc->raid_data.inactive_list)) 5628 return; 5629 5630 mutex_lock(&ioc->raid_data.inactive_list_mutex); 5631 list_for_each_entry_safe(component_info, pNext, 5632 &ioc->raid_data.inactive_list, list) { 5633 list_del(&component_info->list); 5634 kfree(component_info); 5635 } 5636 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 5637 } 5638 5639 /** 5640 * mpt_inactive_raid_volumes - sets up link list of phy_disk_nums for devices belonging in an inactive volume 5641 * 5642 * @ioc : pointer to per adapter structure 5643 * @channel : volume channel 5644 * @id : volume target id 5645 **/ 5646 static void 5647 mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id) 5648 { 5649 CONFIGPARMS cfg; 5650 ConfigPageHeader_t hdr; 5651 dma_addr_t dma_handle; 5652 pRaidVolumePage0_t buffer = NULL; 5653 int i; 5654 RaidPhysDiskPage0_t phys_disk; 5655 struct inactive_raid_component_info *component_info; 5656 int handle_inactive_volumes; 5657 5658 memset(&cfg, 0 , sizeof(CONFIGPARMS)); 5659 memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); 5660 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME; 5661 cfg.pageAddr = (channel << 8) + id; 5662 cfg.cfghdr.hdr = &hdr; 5663 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5664 5665 if (mpt_config(ioc, &cfg) != 0) 5666 goto out; 5667 5668 if (!hdr.PageLength) 5669 goto out; 5670 5671 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, 5672 &dma_handle); 5673 5674 if (!buffer) 5675 goto out; 5676 5677 cfg.physAddr = dma_handle; 5678 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5679 5680 if (mpt_config(ioc, &cfg) != 0) 5681 goto out; 5682 5683 if (!buffer->NumPhysDisks) 5684 goto out; 5685 5686 handle_inactive_volumes = 5687 (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE || 5688 (buffer->VolumeStatus.Flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED) == 0 || 5689 buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_FAILED || 5690 buffer->VolumeStatus.State == MPI_RAIDVOL0_STATUS_STATE_MISSING) ? 1 : 0; 5691 5692 if (!handle_inactive_volumes) 5693 goto out; 5694 5695 mutex_lock(&ioc->raid_data.inactive_list_mutex); 5696 for (i = 0; i < buffer->NumPhysDisks; i++) { 5697 if(mpt_raid_phys_disk_pg0(ioc, 5698 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0) 5699 continue; 5700 5701 if ((component_info = kmalloc(sizeof (*component_info), 5702 GFP_KERNEL)) == NULL) 5703 continue; 5704 5705 component_info->volumeID = id; 5706 component_info->volumeBus = channel; 5707 component_info->d.PhysDiskNum = phys_disk.PhysDiskNum; 5708 component_info->d.PhysDiskBus = phys_disk.PhysDiskBus; 5709 component_info->d.PhysDiskID = phys_disk.PhysDiskID; 5710 component_info->d.PhysDiskIOC = phys_disk.PhysDiskIOC; 5711 5712 list_add_tail(&component_info->list, 5713 &ioc->raid_data.inactive_list); 5714 } 5715 mutex_unlock(&ioc->raid_data.inactive_list_mutex); 5716 5717 out: 5718 if (buffer) 5719 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer, 5720 dma_handle); 5721 } 5722 5723 /** 5724 * mpt_raid_phys_disk_pg0 - returns phys disk page zero 5725 * @ioc: Pointer to a Adapter Structure 5726 * @phys_disk_num: io unit unique phys disk num generated by the ioc 5727 * @phys_disk: requested payload data returned 5728 * 5729 * Return: 5730 * 0 on success 5731 * -EFAULT if read of config page header fails or data pointer not NULL 5732 * -ENOMEM if pci_alloc failed 5733 **/ 5734 int 5735 mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, 5736 RaidPhysDiskPage0_t *phys_disk) 5737 { 5738 CONFIGPARMS cfg; 5739 ConfigPageHeader_t hdr; 5740 dma_addr_t dma_handle; 5741 pRaidPhysDiskPage0_t buffer = NULL; 5742 int rc; 5743 5744 memset(&cfg, 0 , sizeof(CONFIGPARMS)); 5745 memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); 5746 memset(phys_disk, 0, sizeof(RaidPhysDiskPage0_t)); 5747 5748 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE0_PAGEVERSION; 5749 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK; 5750 cfg.cfghdr.hdr = &hdr; 5751 cfg.physAddr = -1; 5752 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5753 5754 if (mpt_config(ioc, &cfg) != 0) { 5755 rc = -EFAULT; 5756 goto out; 5757 } 5758 5759 if (!hdr.PageLength) { 5760 rc = -EFAULT; 5761 goto out; 5762 } 5763 5764 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, 5765 &dma_handle); 5766 5767 if (!buffer) { 5768 rc = -ENOMEM; 5769 goto out; 5770 } 5771 5772 cfg.physAddr = dma_handle; 5773 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5774 cfg.pageAddr = phys_disk_num; 5775 5776 if (mpt_config(ioc, &cfg) != 0) { 5777 rc = -EFAULT; 5778 goto out; 5779 } 5780 5781 rc = 0; 5782 memcpy(phys_disk, buffer, sizeof(*buffer)); 5783 phys_disk->MaxLBA = le32_to_cpu(buffer->MaxLBA); 5784 5785 out: 5786 5787 if (buffer) 5788 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer, 5789 dma_handle); 5790 5791 return rc; 5792 } 5793 5794 /** 5795 * mpt_raid_phys_disk_get_num_paths - returns number paths associated to this phys_num 5796 * @ioc: Pointer to a Adapter Structure 5797 * @phys_disk_num: io unit unique phys disk num generated by the ioc 5798 * 5799 * Return: 5800 * returns number paths 5801 **/ 5802 int 5803 mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc, u8 phys_disk_num) 5804 { 5805 CONFIGPARMS cfg; 5806 ConfigPageHeader_t hdr; 5807 dma_addr_t dma_handle; 5808 pRaidPhysDiskPage1_t buffer = NULL; 5809 int rc; 5810 5811 memset(&cfg, 0 , sizeof(CONFIGPARMS)); 5812 memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); 5813 5814 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION; 5815 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK; 5816 hdr.PageNumber = 1; 5817 cfg.cfghdr.hdr = &hdr; 5818 cfg.physAddr = -1; 5819 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5820 5821 if (mpt_config(ioc, &cfg) != 0) { 5822 rc = 0; 5823 goto out; 5824 } 5825 5826 if (!hdr.PageLength) { 5827 rc = 0; 5828 goto out; 5829 } 5830 5831 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, 5832 &dma_handle); 5833 5834 if (!buffer) { 5835 rc = 0; 5836 goto out; 5837 } 5838 5839 cfg.physAddr = dma_handle; 5840 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5841 cfg.pageAddr = phys_disk_num; 5842 5843 if (mpt_config(ioc, &cfg) != 0) { 5844 rc = 0; 5845 goto out; 5846 } 5847 5848 rc = buffer->NumPhysDiskPaths; 5849 out: 5850 5851 if (buffer) 5852 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer, 5853 dma_handle); 5854 5855 return rc; 5856 } 5857 EXPORT_SYMBOL(mpt_raid_phys_disk_get_num_paths); 5858 5859 /** 5860 * mpt_raid_phys_disk_pg1 - returns phys disk page 1 5861 * @ioc: Pointer to a Adapter Structure 5862 * @phys_disk_num: io unit unique phys disk num generated by the ioc 5863 * @phys_disk: requested payload data returned 5864 * 5865 * Return: 5866 * 0 on success 5867 * -EFAULT if read of config page header fails or data pointer not NULL 5868 * -ENOMEM if pci_alloc failed 5869 **/ 5870 int 5871 mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num, 5872 RaidPhysDiskPage1_t *phys_disk) 5873 { 5874 CONFIGPARMS cfg; 5875 ConfigPageHeader_t hdr; 5876 dma_addr_t dma_handle; 5877 pRaidPhysDiskPage1_t buffer = NULL; 5878 int rc; 5879 int i; 5880 __le64 sas_address; 5881 5882 memset(&cfg, 0 , sizeof(CONFIGPARMS)); 5883 memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); 5884 rc = 0; 5885 5886 hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION; 5887 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK; 5888 hdr.PageNumber = 1; 5889 cfg.cfghdr.hdr = &hdr; 5890 cfg.physAddr = -1; 5891 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5892 5893 if (mpt_config(ioc, &cfg) != 0) { 5894 rc = -EFAULT; 5895 goto out; 5896 } 5897 5898 if (!hdr.PageLength) { 5899 rc = -EFAULT; 5900 goto out; 5901 } 5902 5903 buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, 5904 &dma_handle); 5905 5906 if (!buffer) { 5907 rc = -ENOMEM; 5908 goto out; 5909 } 5910 5911 cfg.physAddr = dma_handle; 5912 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 5913 cfg.pageAddr = phys_disk_num; 5914 5915 if (mpt_config(ioc, &cfg) != 0) { 5916 rc = -EFAULT; 5917 goto out; 5918 } 5919 5920 phys_disk->NumPhysDiskPaths = buffer->NumPhysDiskPaths; 5921 phys_disk->PhysDiskNum = phys_disk_num; 5922 for (i = 0; i < phys_disk->NumPhysDiskPaths; i++) { 5923 phys_disk->Path[i].PhysDiskID = buffer->Path[i].PhysDiskID; 5924 phys_disk->Path[i].PhysDiskBus = buffer->Path[i].PhysDiskBus; 5925 phys_disk->Path[i].OwnerIdentifier = 5926 buffer->Path[i].OwnerIdentifier; 5927 phys_disk->Path[i].Flags = le16_to_cpu(buffer->Path[i].Flags); 5928 memcpy(&sas_address, &buffer->Path[i].WWID, sizeof(__le64)); 5929 sas_address = le64_to_cpu(sas_address); 5930 memcpy(&phys_disk->Path[i].WWID, &sas_address, sizeof(__le64)); 5931 memcpy(&sas_address, 5932 &buffer->Path[i].OwnerWWID, sizeof(__le64)); 5933 sas_address = le64_to_cpu(sas_address); 5934 memcpy(&phys_disk->Path[i].OwnerWWID, 5935 &sas_address, sizeof(__le64)); 5936 } 5937 5938 out: 5939 5940 if (buffer) 5941 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer, 5942 dma_handle); 5943 5944 return rc; 5945 } 5946 EXPORT_SYMBOL(mpt_raid_phys_disk_pg1); 5947 5948 5949 /** 5950 * mpt_findImVolumes - Identify IDs of hidden disks and RAID Volumes 5951 * @ioc: Pointer to a Adapter Strucutre 5952 * 5953 * Return: 5954 * 0 on success 5955 * -EFAULT if read of config page header fails or data pointer not NULL 5956 * -ENOMEM if pci_alloc failed 5957 **/ 5958 int 5959 mpt_findImVolumes(MPT_ADAPTER *ioc) 5960 { 5961 IOCPage2_t *pIoc2; 5962 u8 *mem; 5963 dma_addr_t ioc2_dma; 5964 CONFIGPARMS cfg; 5965 ConfigPageHeader_t header; 5966 int rc = 0; 5967 int iocpage2sz; 5968 int i; 5969 5970 if (!ioc->ir_firmware) 5971 return 0; 5972 5973 /* Free the old page 5974 */ 5975 kfree(ioc->raid_data.pIocPg2); 5976 ioc->raid_data.pIocPg2 = NULL; 5977 mpt_inactive_raid_list_free(ioc); 5978 5979 /* Read IOCP2 header then the page. 5980 */ 5981 header.PageVersion = 0; 5982 header.PageLength = 0; 5983 header.PageNumber = 2; 5984 header.PageType = MPI_CONFIG_PAGETYPE_IOC; 5985 cfg.cfghdr.hdr = &header; 5986 cfg.physAddr = -1; 5987 cfg.pageAddr = 0; 5988 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 5989 cfg.dir = 0; 5990 cfg.timeout = 0; 5991 if (mpt_config(ioc, &cfg) != 0) 5992 return -EFAULT; 5993 5994 if (header.PageLength == 0) 5995 return -EFAULT; 5996 5997 iocpage2sz = header.PageLength * 4; 5998 pIoc2 = pci_alloc_consistent(ioc->pcidev, iocpage2sz, &ioc2_dma); 5999 if (!pIoc2) 6000 return -ENOMEM; 6001 6002 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 6003 cfg.physAddr = ioc2_dma; 6004 if (mpt_config(ioc, &cfg) != 0) 6005 goto out; 6006 6007 mem = kmalloc(iocpage2sz, GFP_KERNEL); 6008 if (!mem) { 6009 rc = -ENOMEM; 6010 goto out; 6011 } 6012 6013 memcpy(mem, (u8 *)pIoc2, iocpage2sz); 6014 ioc->raid_data.pIocPg2 = (IOCPage2_t *) mem; 6015 6016 mpt_read_ioc_pg_3(ioc); 6017 6018 for (i = 0; i < pIoc2->NumActiveVolumes ; i++) 6019 mpt_inactive_raid_volumes(ioc, 6020 pIoc2->RaidVolume[i].VolumeBus, 6021 pIoc2->RaidVolume[i].VolumeID); 6022 6023 out: 6024 pci_free_consistent(ioc->pcidev, iocpage2sz, pIoc2, ioc2_dma); 6025 6026 return rc; 6027 } 6028 6029 static int 6030 mpt_read_ioc_pg_3(MPT_ADAPTER *ioc) 6031 { 6032 IOCPage3_t *pIoc3; 6033 u8 *mem; 6034 CONFIGPARMS cfg; 6035 ConfigPageHeader_t header; 6036 dma_addr_t ioc3_dma; 6037 int iocpage3sz = 0; 6038 6039 /* Free the old page 6040 */ 6041 kfree(ioc->raid_data.pIocPg3); 6042 ioc->raid_data.pIocPg3 = NULL; 6043 6044 /* There is at least one physical disk. 6045 * Read and save IOC Page 3 6046 */ 6047 header.PageVersion = 0; 6048 header.PageLength = 0; 6049 header.PageNumber = 3; 6050 header.PageType = MPI_CONFIG_PAGETYPE_IOC; 6051 cfg.cfghdr.hdr = &header; 6052 cfg.physAddr = -1; 6053 cfg.pageAddr = 0; 6054 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 6055 cfg.dir = 0; 6056 cfg.timeout = 0; 6057 if (mpt_config(ioc, &cfg) != 0) 6058 return 0; 6059 6060 if (header.PageLength == 0) 6061 return 0; 6062 6063 /* Read Header good, alloc memory 6064 */ 6065 iocpage3sz = header.PageLength * 4; 6066 pIoc3 = pci_alloc_consistent(ioc->pcidev, iocpage3sz, &ioc3_dma); 6067 if (!pIoc3) 6068 return 0; 6069 6070 /* Read the Page and save the data 6071 * into malloc'd memory. 6072 */ 6073 cfg.physAddr = ioc3_dma; 6074 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 6075 if (mpt_config(ioc, &cfg) == 0) { 6076 mem = kmalloc(iocpage3sz, GFP_KERNEL); 6077 if (mem) { 6078 memcpy(mem, (u8 *)pIoc3, iocpage3sz); 6079 ioc->raid_data.pIocPg3 = (IOCPage3_t *) mem; 6080 } 6081 } 6082 6083 pci_free_consistent(ioc->pcidev, iocpage3sz, pIoc3, ioc3_dma); 6084 6085 return 0; 6086 } 6087 6088 static void 6089 mpt_read_ioc_pg_4(MPT_ADAPTER *ioc) 6090 { 6091 IOCPage4_t *pIoc4; 6092 CONFIGPARMS cfg; 6093 ConfigPageHeader_t header; 6094 dma_addr_t ioc4_dma; 6095 int iocpage4sz; 6096 6097 /* Read and save IOC Page 4 6098 */ 6099 header.PageVersion = 0; 6100 header.PageLength = 0; 6101 header.PageNumber = 4; 6102 header.PageType = MPI_CONFIG_PAGETYPE_IOC; 6103 cfg.cfghdr.hdr = &header; 6104 cfg.physAddr = -1; 6105 cfg.pageAddr = 0; 6106 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 6107 cfg.dir = 0; 6108 cfg.timeout = 0; 6109 if (mpt_config(ioc, &cfg) != 0) 6110 return; 6111 6112 if (header.PageLength == 0) 6113 return; 6114 6115 if ( (pIoc4 = ioc->spi_data.pIocPg4) == NULL ) { 6116 iocpage4sz = (header.PageLength + 4) * 4; /* Allow 4 additional SEP's */ 6117 pIoc4 = pci_alloc_consistent(ioc->pcidev, iocpage4sz, &ioc4_dma); 6118 if (!pIoc4) 6119 return; 6120 ioc->alloc_total += iocpage4sz; 6121 } else { 6122 ioc4_dma = ioc->spi_data.IocPg4_dma; 6123 iocpage4sz = ioc->spi_data.IocPg4Sz; 6124 } 6125 6126 /* Read the Page into dma memory. 6127 */ 6128 cfg.physAddr = ioc4_dma; 6129 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 6130 if (mpt_config(ioc, &cfg) == 0) { 6131 ioc->spi_data.pIocPg4 = (IOCPage4_t *) pIoc4; 6132 ioc->spi_data.IocPg4_dma = ioc4_dma; 6133 ioc->spi_data.IocPg4Sz = iocpage4sz; 6134 } else { 6135 pci_free_consistent(ioc->pcidev, iocpage4sz, pIoc4, ioc4_dma); 6136 ioc->spi_data.pIocPg4 = NULL; 6137 ioc->alloc_total -= iocpage4sz; 6138 } 6139 } 6140 6141 static void 6142 mpt_read_ioc_pg_1(MPT_ADAPTER *ioc) 6143 { 6144 IOCPage1_t *pIoc1; 6145 CONFIGPARMS cfg; 6146 ConfigPageHeader_t header; 6147 dma_addr_t ioc1_dma; 6148 int iocpage1sz = 0; 6149 u32 tmp; 6150 6151 /* Check the Coalescing Timeout in IOC Page 1 6152 */ 6153 header.PageVersion = 0; 6154 header.PageLength = 0; 6155 header.PageNumber = 1; 6156 header.PageType = MPI_CONFIG_PAGETYPE_IOC; 6157 cfg.cfghdr.hdr = &header; 6158 cfg.physAddr = -1; 6159 cfg.pageAddr = 0; 6160 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 6161 cfg.dir = 0; 6162 cfg.timeout = 0; 6163 if (mpt_config(ioc, &cfg) != 0) 6164 return; 6165 6166 if (header.PageLength == 0) 6167 return; 6168 6169 /* Read Header good, alloc memory 6170 */ 6171 iocpage1sz = header.PageLength * 4; 6172 pIoc1 = pci_alloc_consistent(ioc->pcidev, iocpage1sz, &ioc1_dma); 6173 if (!pIoc1) 6174 return; 6175 6176 /* Read the Page and check coalescing timeout 6177 */ 6178 cfg.physAddr = ioc1_dma; 6179 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 6180 if (mpt_config(ioc, &cfg) == 0) { 6181 6182 tmp = le32_to_cpu(pIoc1->Flags) & MPI_IOCPAGE1_REPLY_COALESCING; 6183 if (tmp == MPI_IOCPAGE1_REPLY_COALESCING) { 6184 tmp = le32_to_cpu(pIoc1->CoalescingTimeout); 6185 6186 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Coalescing Enabled Timeout = %d\n", 6187 ioc->name, tmp)); 6188 6189 if (tmp > MPT_COALESCING_TIMEOUT) { 6190 pIoc1->CoalescingTimeout = cpu_to_le32(MPT_COALESCING_TIMEOUT); 6191 6192 /* Write NVRAM and current 6193 */ 6194 cfg.dir = 1; 6195 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; 6196 if (mpt_config(ioc, &cfg) == 0) { 6197 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Reset Current Coalescing Timeout to = %d\n", 6198 ioc->name, MPT_COALESCING_TIMEOUT)); 6199 6200 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM; 6201 if (mpt_config(ioc, &cfg) == 0) { 6202 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6203 "Reset NVRAM Coalescing Timeout to = %d\n", 6204 ioc->name, MPT_COALESCING_TIMEOUT)); 6205 } else { 6206 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6207 "Reset NVRAM Coalescing Timeout Failed\n", 6208 ioc->name)); 6209 } 6210 6211 } else { 6212 dprintk(ioc, printk(MYIOC_s_WARN_FMT 6213 "Reset of Current Coalescing Timeout Failed!\n", 6214 ioc->name)); 6215 } 6216 } 6217 6218 } else { 6219 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Coalescing Disabled\n", ioc->name)); 6220 } 6221 } 6222 6223 pci_free_consistent(ioc->pcidev, iocpage1sz, pIoc1, ioc1_dma); 6224 6225 return; 6226 } 6227 6228 static void 6229 mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc) 6230 { 6231 CONFIGPARMS cfg; 6232 ConfigPageHeader_t hdr; 6233 dma_addr_t buf_dma; 6234 ManufacturingPage0_t *pbuf = NULL; 6235 6236 memset(&cfg, 0 , sizeof(CONFIGPARMS)); 6237 memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); 6238 6239 hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING; 6240 cfg.cfghdr.hdr = &hdr; 6241 cfg.physAddr = -1; 6242 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 6243 cfg.timeout = 10; 6244 6245 if (mpt_config(ioc, &cfg) != 0) 6246 goto out; 6247 6248 if (!cfg.cfghdr.hdr->PageLength) 6249 goto out; 6250 6251 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 6252 pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma); 6253 if (!pbuf) 6254 goto out; 6255 6256 cfg.physAddr = buf_dma; 6257 6258 if (mpt_config(ioc, &cfg) != 0) 6259 goto out; 6260 6261 memcpy(ioc->board_name, pbuf->BoardName, sizeof(ioc->board_name)); 6262 memcpy(ioc->board_assembly, pbuf->BoardAssembly, sizeof(ioc->board_assembly)); 6263 memcpy(ioc->board_tracer, pbuf->BoardTracerNumber, sizeof(ioc->board_tracer)); 6264 6265 out: 6266 6267 if (pbuf) 6268 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma); 6269 } 6270 6271 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6272 /** 6273 * SendEventNotification - Send EventNotification (on or off) request to adapter 6274 * @ioc: Pointer to MPT_ADAPTER structure 6275 * @EvSwitch: Event switch flags 6276 * @sleepFlag: Specifies whether the process can sleep 6277 */ 6278 static int 6279 SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch, int sleepFlag) 6280 { 6281 EventNotification_t evn; 6282 MPIDefaultReply_t reply_buf; 6283 6284 memset(&evn, 0, sizeof(EventNotification_t)); 6285 memset(&reply_buf, 0, sizeof(MPIDefaultReply_t)); 6286 6287 evn.Function = MPI_FUNCTION_EVENT_NOTIFICATION; 6288 evn.Switch = EvSwitch; 6289 evn.MsgContext = cpu_to_le32(mpt_base_index << 16); 6290 6291 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6292 "Sending EventNotification (%d) request %p\n", 6293 ioc->name, EvSwitch, &evn)); 6294 6295 return mpt_handshake_req_reply_wait(ioc, sizeof(EventNotification_t), 6296 (u32 *)&evn, sizeof(MPIDefaultReply_t), (u16 *)&reply_buf, 30, 6297 sleepFlag); 6298 } 6299 6300 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6301 /** 6302 * SendEventAck - Send EventAck request to MPT adapter. 6303 * @ioc: Pointer to MPT_ADAPTER structure 6304 * @evnp: Pointer to original EventNotification request 6305 */ 6306 static int 6307 SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp) 6308 { 6309 EventAck_t *pAck; 6310 6311 if ((pAck = (EventAck_t *) mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) { 6312 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n", 6313 ioc->name, __func__)); 6314 return -1; 6315 } 6316 6317 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventAck\n", ioc->name)); 6318 6319 pAck->Function = MPI_FUNCTION_EVENT_ACK; 6320 pAck->ChainOffset = 0; 6321 pAck->Reserved[0] = pAck->Reserved[1] = 0; 6322 pAck->MsgFlags = 0; 6323 pAck->Reserved1[0] = pAck->Reserved1[1] = pAck->Reserved1[2] = 0; 6324 pAck->Event = evnp->Event; 6325 pAck->EventContext = evnp->EventContext; 6326 6327 mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)pAck); 6328 6329 return 0; 6330 } 6331 6332 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6333 /** 6334 * mpt_config - Generic function to issue config message 6335 * @ioc: Pointer to an adapter structure 6336 * @pCfg: Pointer to a configuration structure. Struct contains 6337 * action, page address, direction, physical address 6338 * and pointer to a configuration page header 6339 * Page header is updated. 6340 * 6341 * Returns 0 for success 6342 * -EPERM if not allowed due to ISR context 6343 * -EAGAIN if no msg frames currently available 6344 * -EFAULT for non-successful reply or no reply (timeout) 6345 */ 6346 int 6347 mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg) 6348 { 6349 Config_t *pReq; 6350 ConfigReply_t *pReply; 6351 ConfigExtendedPageHeader_t *pExtHdr = NULL; 6352 MPT_FRAME_HDR *mf; 6353 int ii; 6354 int flagsLength; 6355 long timeout; 6356 int ret; 6357 u8 page_type = 0, extend_page; 6358 unsigned long timeleft; 6359 unsigned long flags; 6360 int in_isr; 6361 u8 issue_hard_reset = 0; 6362 u8 retry_count = 0; 6363 6364 /* Prevent calling wait_event() (below), if caller happens 6365 * to be in ISR context, because that is fatal! 6366 */ 6367 in_isr = in_interrupt(); 6368 if (in_isr) { 6369 dcprintk(ioc, printk(MYIOC_s_WARN_FMT "Config request not allowed in ISR context!\n", 6370 ioc->name)); 6371 return -EPERM; 6372 } 6373 6374 /* don't send a config page during diag reset */ 6375 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 6376 if (ioc->ioc_reset_in_progress) { 6377 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6378 "%s: busy with host reset\n", ioc->name, __func__)); 6379 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 6380 return -EBUSY; 6381 } 6382 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 6383 6384 /* don't send if no chance of success */ 6385 if (!ioc->active || 6386 mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_OPERATIONAL) { 6387 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6388 "%s: ioc not operational, %d, %xh\n", 6389 ioc->name, __func__, ioc->active, 6390 mpt_GetIocState(ioc, 0))); 6391 return -EFAULT; 6392 } 6393 6394 retry_config: 6395 mutex_lock(&ioc->mptbase_cmds.mutex); 6396 /* init the internal cmd struct */ 6397 memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE); 6398 INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status) 6399 6400 /* Get and Populate a free Frame 6401 */ 6402 if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) { 6403 dcprintk(ioc, printk(MYIOC_s_WARN_FMT 6404 "mpt_config: no msg frames!\n", ioc->name)); 6405 ret = -EAGAIN; 6406 goto out; 6407 } 6408 6409 pReq = (Config_t *)mf; 6410 pReq->Action = pCfg->action; 6411 pReq->Reserved = 0; 6412 pReq->ChainOffset = 0; 6413 pReq->Function = MPI_FUNCTION_CONFIG; 6414 6415 /* Assume page type is not extended and clear "reserved" fields. */ 6416 pReq->ExtPageLength = 0; 6417 pReq->ExtPageType = 0; 6418 pReq->MsgFlags = 0; 6419 6420 for (ii=0; ii < 8; ii++) 6421 pReq->Reserved2[ii] = 0; 6422 6423 pReq->Header.PageVersion = pCfg->cfghdr.hdr->PageVersion; 6424 pReq->Header.PageLength = pCfg->cfghdr.hdr->PageLength; 6425 pReq->Header.PageNumber = pCfg->cfghdr.hdr->PageNumber; 6426 pReq->Header.PageType = (pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK); 6427 6428 if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) { 6429 pExtHdr = (ConfigExtendedPageHeader_t *)pCfg->cfghdr.ehdr; 6430 pReq->ExtPageLength = cpu_to_le16(pExtHdr->ExtPageLength); 6431 pReq->ExtPageType = pExtHdr->ExtPageType; 6432 pReq->Header.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 6433 6434 /* Page Length must be treated as a reserved field for the 6435 * extended header. 6436 */ 6437 pReq->Header.PageLength = 0; 6438 } 6439 6440 pReq->PageAddress = cpu_to_le32(pCfg->pageAddr); 6441 6442 /* Add a SGE to the config request. 6443 */ 6444 if (pCfg->dir) 6445 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE; 6446 else 6447 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ; 6448 6449 if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == 6450 MPI_CONFIG_PAGETYPE_EXTENDED) { 6451 flagsLength |= pExtHdr->ExtPageLength * 4; 6452 page_type = pReq->ExtPageType; 6453 extend_page = 1; 6454 } else { 6455 flagsLength |= pCfg->cfghdr.hdr->PageLength * 4; 6456 page_type = pReq->Header.PageType; 6457 extend_page = 0; 6458 } 6459 6460 dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6461 "Sending Config request type 0x%x, page 0x%x and action %d\n", 6462 ioc->name, page_type, pReq->Header.PageNumber, pReq->Action)); 6463 6464 ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr); 6465 timeout = (pCfg->timeout < 15) ? HZ*15 : HZ*pCfg->timeout; 6466 mpt_put_msg_frame(mpt_base_index, ioc, mf); 6467 timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done, 6468 timeout); 6469 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 6470 ret = -ETIME; 6471 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6472 "Failed Sending Config request type 0x%x, page 0x%x," 6473 " action %d, status %xh, time left %ld\n\n", 6474 ioc->name, page_type, pReq->Header.PageNumber, 6475 pReq->Action, ioc->mptbase_cmds.status, timeleft)); 6476 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) 6477 goto out; 6478 if (!timeleft) { 6479 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 6480 if (ioc->ioc_reset_in_progress) { 6481 spin_unlock_irqrestore(&ioc->taskmgmt_lock, 6482 flags); 6483 printk(MYIOC_s_INFO_FMT "%s: host reset in" 6484 " progress mpt_config timed out.!!\n", 6485 __func__, ioc->name); 6486 mutex_unlock(&ioc->mptbase_cmds.mutex); 6487 return -EFAULT; 6488 } 6489 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 6490 issue_hard_reset = 1; 6491 } 6492 goto out; 6493 } 6494 6495 if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { 6496 ret = -1; 6497 goto out; 6498 } 6499 pReply = (ConfigReply_t *)ioc->mptbase_cmds.reply; 6500 ret = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; 6501 if (ret == MPI_IOCSTATUS_SUCCESS) { 6502 if (extend_page) { 6503 pCfg->cfghdr.ehdr->ExtPageLength = 6504 le16_to_cpu(pReply->ExtPageLength); 6505 pCfg->cfghdr.ehdr->ExtPageType = 6506 pReply->ExtPageType; 6507 } 6508 pCfg->cfghdr.hdr->PageVersion = pReply->Header.PageVersion; 6509 pCfg->cfghdr.hdr->PageLength = pReply->Header.PageLength; 6510 pCfg->cfghdr.hdr->PageNumber = pReply->Header.PageNumber; 6511 pCfg->cfghdr.hdr->PageType = pReply->Header.PageType; 6512 6513 } 6514 6515 if (retry_count) 6516 printk(MYIOC_s_INFO_FMT "Retry completed " 6517 "ret=0x%x timeleft=%ld\n", 6518 ioc->name, ret, timeleft); 6519 6520 dcprintk(ioc, printk(KERN_DEBUG "IOCStatus=%04xh, IOCLogInfo=%08xh\n", 6521 ret, le32_to_cpu(pReply->IOCLogInfo))); 6522 6523 out: 6524 6525 CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status) 6526 mutex_unlock(&ioc->mptbase_cmds.mutex); 6527 if (issue_hard_reset) { 6528 issue_hard_reset = 0; 6529 printk(MYIOC_s_WARN_FMT 6530 "Issuing Reset from %s!!, doorbell=0x%08x\n", 6531 ioc->name, __func__, mpt_GetIocState(ioc, 0)); 6532 if (retry_count == 0) { 6533 if (mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP) != 0) 6534 retry_count++; 6535 } else 6536 mpt_HardResetHandler(ioc, CAN_SLEEP); 6537 6538 mpt_free_msg_frame(ioc, mf); 6539 /* attempt one retry for a timed out command */ 6540 if (retry_count < 2) { 6541 printk(MYIOC_s_INFO_FMT 6542 "Attempting Retry Config request" 6543 " type 0x%x, page 0x%x," 6544 " action %d\n", ioc->name, page_type, 6545 pCfg->cfghdr.hdr->PageNumber, pCfg->action); 6546 retry_count++; 6547 goto retry_config; 6548 } 6549 } 6550 return ret; 6551 6552 } 6553 6554 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6555 /** 6556 * mpt_ioc_reset - Base cleanup for hard reset 6557 * @ioc: Pointer to the adapter structure 6558 * @reset_phase: Indicates pre- or post-reset functionality 6559 * 6560 * Remark: Frees resources with internally generated commands. 6561 */ 6562 static int 6563 mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) 6564 { 6565 switch (reset_phase) { 6566 case MPT_IOC_SETUP_RESET: 6567 ioc->taskmgmt_quiesce_io = 1; 6568 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6569 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); 6570 break; 6571 case MPT_IOC_PRE_RESET: 6572 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6573 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); 6574 break; 6575 case MPT_IOC_POST_RESET: 6576 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 6577 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); 6578 /* wake up mptbase_cmds */ 6579 if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) { 6580 ioc->mptbase_cmds.status |= 6581 MPT_MGMT_STATUS_DID_IOCRESET; 6582 complete(&ioc->mptbase_cmds.done); 6583 } 6584 /* wake up taskmgmt_cmds */ 6585 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { 6586 ioc->taskmgmt_cmds.status |= 6587 MPT_MGMT_STATUS_DID_IOCRESET; 6588 complete(&ioc->taskmgmt_cmds.done); 6589 } 6590 break; 6591 default: 6592 break; 6593 } 6594 6595 return 1; /* currently means nothing really */ 6596 } 6597 6598 6599 #ifdef CONFIG_PROC_FS /* { */ 6600 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6601 /* 6602 * procfs (%MPT_PROCFS_MPTBASEDIR/...) support stuff... 6603 */ 6604 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6605 /** 6606 * procmpt_create - Create %MPT_PROCFS_MPTBASEDIR entries. 6607 * 6608 * Returns 0 for success, non-zero for failure. 6609 */ 6610 static int 6611 procmpt_create(void) 6612 { 6613 mpt_proc_root_dir = proc_mkdir(MPT_PROCFS_MPTBASEDIR, NULL); 6614 if (mpt_proc_root_dir == NULL) 6615 return -ENOTDIR; 6616 6617 proc_create("summary", S_IRUGO, mpt_proc_root_dir, &mpt_summary_proc_fops); 6618 proc_create("version", S_IRUGO, mpt_proc_root_dir, &mpt_version_proc_fops); 6619 return 0; 6620 } 6621 6622 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6623 /** 6624 * procmpt_destroy - Tear down %MPT_PROCFS_MPTBASEDIR entries. 6625 * 6626 * Returns 0 for success, non-zero for failure. 6627 */ 6628 static void 6629 procmpt_destroy(void) 6630 { 6631 remove_proc_entry("version", mpt_proc_root_dir); 6632 remove_proc_entry("summary", mpt_proc_root_dir); 6633 remove_proc_entry(MPT_PROCFS_MPTBASEDIR, NULL); 6634 } 6635 6636 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6637 /* 6638 * Handles read request from /proc/mpt/summary or /proc/mpt/iocN/summary. 6639 */ 6640 static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan); 6641 6642 static int mpt_summary_proc_show(struct seq_file *m, void *v) 6643 { 6644 MPT_ADAPTER *ioc = m->private; 6645 6646 if (ioc) { 6647 seq_mpt_print_ioc_summary(ioc, m, 1); 6648 } else { 6649 list_for_each_entry(ioc, &ioc_list, list) { 6650 seq_mpt_print_ioc_summary(ioc, m, 1); 6651 } 6652 } 6653 6654 return 0; 6655 } 6656 6657 static int mpt_summary_proc_open(struct inode *inode, struct file *file) 6658 { 6659 return single_open(file, mpt_summary_proc_show, PDE_DATA(inode)); 6660 } 6661 6662 static const struct file_operations mpt_summary_proc_fops = { 6663 .owner = THIS_MODULE, 6664 .open = mpt_summary_proc_open, 6665 .read = seq_read, 6666 .llseek = seq_lseek, 6667 .release = single_release, 6668 }; 6669 6670 static int mpt_version_proc_show(struct seq_file *m, void *v) 6671 { 6672 u8 cb_idx; 6673 int scsi, fc, sas, lan, ctl, targ, dmp; 6674 char *drvname; 6675 6676 seq_printf(m, "%s-%s\n", "mptlinux", MPT_LINUX_VERSION_COMMON); 6677 seq_printf(m, " Fusion MPT base driver\n"); 6678 6679 scsi = fc = sas = lan = ctl = targ = dmp = 0; 6680 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 6681 drvname = NULL; 6682 if (MptCallbacks[cb_idx]) { 6683 switch (MptDriverClass[cb_idx]) { 6684 case MPTSPI_DRIVER: 6685 if (!scsi++) drvname = "SPI host"; 6686 break; 6687 case MPTFC_DRIVER: 6688 if (!fc++) drvname = "FC host"; 6689 break; 6690 case MPTSAS_DRIVER: 6691 if (!sas++) drvname = "SAS host"; 6692 break; 6693 case MPTLAN_DRIVER: 6694 if (!lan++) drvname = "LAN"; 6695 break; 6696 case MPTSTM_DRIVER: 6697 if (!targ++) drvname = "SCSI target"; 6698 break; 6699 case MPTCTL_DRIVER: 6700 if (!ctl++) drvname = "ioctl"; 6701 break; 6702 } 6703 6704 if (drvname) 6705 seq_printf(m, " Fusion MPT %s driver\n", drvname); 6706 } 6707 } 6708 6709 return 0; 6710 } 6711 6712 static int mpt_version_proc_open(struct inode *inode, struct file *file) 6713 { 6714 return single_open(file, mpt_version_proc_show, NULL); 6715 } 6716 6717 static const struct file_operations mpt_version_proc_fops = { 6718 .owner = THIS_MODULE, 6719 .open = mpt_version_proc_open, 6720 .read = seq_read, 6721 .llseek = seq_lseek, 6722 .release = single_release, 6723 }; 6724 6725 static int mpt_iocinfo_proc_show(struct seq_file *m, void *v) 6726 { 6727 MPT_ADAPTER *ioc = m->private; 6728 char expVer[32]; 6729 int sz; 6730 int p; 6731 6732 mpt_get_fw_exp_ver(expVer, ioc); 6733 6734 seq_printf(m, "%s:", ioc->name); 6735 if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT) 6736 seq_printf(m, " (f/w download boot flag set)"); 6737 // if (ioc->facts.IOCExceptions & MPI_IOCFACTS_EXCEPT_CONFIG_CHECKSUM_FAIL) 6738 // seq_printf(m, " CONFIG_CHECKSUM_FAIL!"); 6739 6740 seq_printf(m, "\n ProductID = 0x%04x (%s)\n", 6741 ioc->facts.ProductID, 6742 ioc->prod_name); 6743 seq_printf(m, " FWVersion = 0x%08x%s", ioc->facts.FWVersion.Word, expVer); 6744 if (ioc->facts.FWImageSize) 6745 seq_printf(m, " (fw_size=%d)", ioc->facts.FWImageSize); 6746 seq_printf(m, "\n MsgVersion = 0x%04x\n", ioc->facts.MsgVersion); 6747 seq_printf(m, " FirstWhoInit = 0x%02x\n", ioc->FirstWhoInit); 6748 seq_printf(m, " EventState = 0x%02x\n", ioc->facts.EventState); 6749 6750 seq_printf(m, " CurrentHostMfaHighAddr = 0x%08x\n", 6751 ioc->facts.CurrentHostMfaHighAddr); 6752 seq_printf(m, " CurrentSenseBufferHighAddr = 0x%08x\n", 6753 ioc->facts.CurrentSenseBufferHighAddr); 6754 6755 seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth); 6756 seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize); 6757 6758 seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", 6759 (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma); 6760 /* 6761 * Rounding UP to nearest 4-kB boundary here... 6762 */ 6763 sz = (ioc->req_sz * ioc->req_depth) + 128; 6764 sz = ((sz + 0x1000UL - 1UL) / 0x1000) * 0x1000; 6765 seq_printf(m, " {CurReqSz=%d} x {CurReqDepth=%d} = %d bytes ^= 0x%x\n", 6766 ioc->req_sz, ioc->req_depth, ioc->req_sz*ioc->req_depth, sz); 6767 seq_printf(m, " {MaxReqSz=%d} {MaxReqDepth=%d}\n", 6768 4*ioc->facts.RequestFrameSize, 6769 ioc->facts.GlobalCredits); 6770 6771 seq_printf(m, " Frames @ 0x%p (Dma @ 0x%p)\n", 6772 (void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma); 6773 sz = (ioc->reply_sz * ioc->reply_depth) + 128; 6774 seq_printf(m, " {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n", 6775 ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz); 6776 seq_printf(m, " {MaxRepSz=%d} {MaxRepDepth=%d}\n", 6777 ioc->facts.CurReplyFrameSize, 6778 ioc->facts.ReplyQueueDepth); 6779 6780 seq_printf(m, " MaxDevices = %d\n", 6781 (ioc->facts.MaxDevices==0) ? 255 : ioc->facts.MaxDevices); 6782 seq_printf(m, " MaxBuses = %d\n", ioc->facts.MaxBuses); 6783 6784 /* per-port info */ 6785 for (p=0; p < ioc->facts.NumberOfPorts; p++) { 6786 seq_printf(m, " PortNumber = %d (of %d)\n", 6787 p+1, 6788 ioc->facts.NumberOfPorts); 6789 if (ioc->bus_type == FC) { 6790 if (ioc->pfacts[p].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) { 6791 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow; 6792 seq_printf(m, " LanAddr = %02X:%02X:%02X:%02X:%02X:%02X\n", 6793 a[5], a[4], a[3], a[2], a[1], a[0]); 6794 } 6795 seq_printf(m, " WWN = %08X%08X:%08X%08X\n", 6796 ioc->fc_port_page0[p].WWNN.High, 6797 ioc->fc_port_page0[p].WWNN.Low, 6798 ioc->fc_port_page0[p].WWPN.High, 6799 ioc->fc_port_page0[p].WWPN.Low); 6800 } 6801 } 6802 6803 return 0; 6804 } 6805 6806 static int mpt_iocinfo_proc_open(struct inode *inode, struct file *file) 6807 { 6808 return single_open(file, mpt_iocinfo_proc_show, PDE_DATA(inode)); 6809 } 6810 6811 static const struct file_operations mpt_iocinfo_proc_fops = { 6812 .owner = THIS_MODULE, 6813 .open = mpt_iocinfo_proc_open, 6814 .read = seq_read, 6815 .llseek = seq_lseek, 6816 .release = single_release, 6817 }; 6818 #endif /* CONFIG_PROC_FS } */ 6819 6820 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6821 static void 6822 mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc) 6823 { 6824 buf[0] ='\0'; 6825 if ((ioc->facts.FWVersion.Word >> 24) == 0x0E) { 6826 sprintf(buf, " (Exp %02d%02d)", 6827 (ioc->facts.FWVersion.Word >> 16) & 0x00FF, /* Month */ 6828 (ioc->facts.FWVersion.Word >> 8) & 0x1F); /* Day */ 6829 6830 /* insider hack! */ 6831 if ((ioc->facts.FWVersion.Word >> 8) & 0x80) 6832 strcat(buf, " [MDBG]"); 6833 } 6834 } 6835 6836 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 6837 /** 6838 * mpt_print_ioc_summary - Write ASCII summary of IOC to a buffer. 6839 * @ioc: Pointer to MPT_ADAPTER structure 6840 * @buffer: Pointer to buffer where IOC summary info should be written 6841 * @size: Pointer to number of bytes we wrote (set by this routine) 6842 * @len: Offset at which to start writing in buffer 6843 * @showlan: Display LAN stuff? 6844 * 6845 * This routine writes (english readable) ASCII text, which represents 6846 * a summary of IOC information, to a buffer. 6847 */ 6848 void 6849 mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int showlan) 6850 { 6851 char expVer[32]; 6852 int y; 6853 6854 mpt_get_fw_exp_ver(expVer, ioc); 6855 6856 /* 6857 * Shorter summary of attached ioc's... 6858 */ 6859 y = sprintf(buffer+len, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d", 6860 ioc->name, 6861 ioc->prod_name, 6862 MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */ 6863 ioc->facts.FWVersion.Word, 6864 expVer, 6865 ioc->facts.NumberOfPorts, 6866 ioc->req_depth); 6867 6868 if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) { 6869 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow; 6870 y += sprintf(buffer+len+y, ", LanAddr=%02X:%02X:%02X:%02X:%02X:%02X", 6871 a[5], a[4], a[3], a[2], a[1], a[0]); 6872 } 6873 6874 y += sprintf(buffer+len+y, ", IRQ=%d", ioc->pci_irq); 6875 6876 if (!ioc->active) 6877 y += sprintf(buffer+len+y, " (disabled)"); 6878 6879 y += sprintf(buffer+len+y, "\n"); 6880 6881 *size = y; 6882 } 6883 6884 static void seq_mpt_print_ioc_summary(MPT_ADAPTER *ioc, struct seq_file *m, int showlan) 6885 { 6886 char expVer[32]; 6887 6888 mpt_get_fw_exp_ver(expVer, ioc); 6889 6890 /* 6891 * Shorter summary of attached ioc's... 6892 */ 6893 seq_printf(m, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d", 6894 ioc->name, 6895 ioc->prod_name, 6896 MPT_FW_REV_MAGIC_ID_STRING, /* "FwRev=" or somesuch */ 6897 ioc->facts.FWVersion.Word, 6898 expVer, 6899 ioc->facts.NumberOfPorts, 6900 ioc->req_depth); 6901 6902 if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) { 6903 u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow; 6904 seq_printf(m, ", LanAddr=%02X:%02X:%02X:%02X:%02X:%02X", 6905 a[5], a[4], a[3], a[2], a[1], a[0]); 6906 } 6907 6908 seq_printf(m, ", IRQ=%d", ioc->pci_irq); 6909 6910 if (!ioc->active) 6911 seq_printf(m, " (disabled)"); 6912 6913 seq_putc(m, '\n'); 6914 } 6915 6916 /** 6917 * mpt_set_taskmgmt_in_progress_flag - set flags associated with task management 6918 * @ioc: Pointer to MPT_ADAPTER structure 6919 * 6920 * Returns 0 for SUCCESS or -1 if FAILED. 6921 * 6922 * If -1 is return, then it was not possible to set the flags 6923 **/ 6924 int 6925 mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc) 6926 { 6927 unsigned long flags; 6928 int retval; 6929 6930 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 6931 if (ioc->ioc_reset_in_progress || ioc->taskmgmt_in_progress || 6932 (ioc->alt_ioc && ioc->alt_ioc->taskmgmt_in_progress)) { 6933 retval = -1; 6934 goto out; 6935 } 6936 retval = 0; 6937 ioc->taskmgmt_in_progress = 1; 6938 ioc->taskmgmt_quiesce_io = 1; 6939 if (ioc->alt_ioc) { 6940 ioc->alt_ioc->taskmgmt_in_progress = 1; 6941 ioc->alt_ioc->taskmgmt_quiesce_io = 1; 6942 } 6943 out: 6944 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 6945 return retval; 6946 } 6947 EXPORT_SYMBOL(mpt_set_taskmgmt_in_progress_flag); 6948 6949 /** 6950 * mpt_clear_taskmgmt_in_progress_flag - clear flags associated with task management 6951 * @ioc: Pointer to MPT_ADAPTER structure 6952 * 6953 **/ 6954 void 6955 mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc) 6956 { 6957 unsigned long flags; 6958 6959 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 6960 ioc->taskmgmt_in_progress = 0; 6961 ioc->taskmgmt_quiesce_io = 0; 6962 if (ioc->alt_ioc) { 6963 ioc->alt_ioc->taskmgmt_in_progress = 0; 6964 ioc->alt_ioc->taskmgmt_quiesce_io = 0; 6965 } 6966 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 6967 } 6968 EXPORT_SYMBOL(mpt_clear_taskmgmt_in_progress_flag); 6969 6970 6971 /** 6972 * mpt_halt_firmware - Halts the firmware if it is operational and panic 6973 * the kernel 6974 * @ioc: Pointer to MPT_ADAPTER structure 6975 * 6976 **/ 6977 void 6978 mpt_halt_firmware(MPT_ADAPTER *ioc) 6979 { 6980 u32 ioc_raw_state; 6981 6982 ioc_raw_state = mpt_GetIocState(ioc, 0); 6983 6984 if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) { 6985 printk(MYIOC_s_ERR_FMT "IOC is in FAULT state (%04xh)!!!\n", 6986 ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK); 6987 panic("%s: IOC Fault (%04xh)!!!\n", ioc->name, 6988 ioc_raw_state & MPI_DOORBELL_DATA_MASK); 6989 } else { 6990 CHIPREG_WRITE32(&ioc->chip->Doorbell, 0xC0FFEE00); 6991 panic("%s: Firmware is halted due to command timeout\n", 6992 ioc->name); 6993 } 6994 } 6995 EXPORT_SYMBOL(mpt_halt_firmware); 6996 6997 /** 6998 * mpt_SoftResetHandler - Issues a less expensive reset 6999 * @ioc: Pointer to MPT_ADAPTER structure 7000 * @sleepFlag: Indicates if sleep or schedule must be called. 7001 * 7002 * Returns 0 for SUCCESS or -1 if FAILED. 7003 * 7004 * Message Unit Reset - instructs the IOC to reset the Reply Post and 7005 * Free FIFO's. All the Message Frames on Reply Free FIFO are discarded. 7006 * All posted buffers are freed, and event notification is turned off. 7007 * IOC doesn't reply to any outstanding request. This will transfer IOC 7008 * to READY state. 7009 **/ 7010 int 7011 mpt_SoftResetHandler(MPT_ADAPTER *ioc, int sleepFlag) 7012 { 7013 int rc; 7014 int ii; 7015 u8 cb_idx; 7016 unsigned long flags; 7017 u32 ioc_state; 7018 unsigned long time_count; 7019 7020 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SoftResetHandler Entered!\n", 7021 ioc->name)); 7022 7023 ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK; 7024 7025 if (mpt_fwfault_debug) 7026 mpt_halt_firmware(ioc); 7027 7028 if (ioc_state == MPI_IOC_STATE_FAULT || 7029 ioc_state == MPI_IOC_STATE_RESET) { 7030 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 7031 "skipping, either in FAULT or RESET state!\n", ioc->name)); 7032 return -1; 7033 } 7034 7035 if (ioc->bus_type == FC) { 7036 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 7037 "skipping, because the bus type is FC!\n", ioc->name)); 7038 return -1; 7039 } 7040 7041 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 7042 if (ioc->ioc_reset_in_progress) { 7043 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7044 return -1; 7045 } 7046 ioc->ioc_reset_in_progress = 1; 7047 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7048 7049 rc = -1; 7050 7051 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 7052 if (MptResetHandlers[cb_idx]) 7053 mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET); 7054 } 7055 7056 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 7057 if (ioc->taskmgmt_in_progress) { 7058 ioc->ioc_reset_in_progress = 0; 7059 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7060 return -1; 7061 } 7062 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7063 /* Disable reply interrupts (also blocks FreeQ) */ 7064 CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF); 7065 ioc->active = 0; 7066 time_count = jiffies; 7067 7068 rc = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag); 7069 7070 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 7071 if (MptResetHandlers[cb_idx]) 7072 mpt_signal_reset(cb_idx, ioc, MPT_IOC_PRE_RESET); 7073 } 7074 7075 if (rc) 7076 goto out; 7077 7078 ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK; 7079 if (ioc_state != MPI_IOC_STATE_READY) 7080 goto out; 7081 7082 for (ii = 0; ii < 5; ii++) { 7083 /* Get IOC facts! Allow 5 retries */ 7084 rc = GetIocFacts(ioc, sleepFlag, 7085 MPT_HOSTEVENT_IOC_RECOVER); 7086 if (rc == 0) 7087 break; 7088 if (sleepFlag == CAN_SLEEP) 7089 msleep(100); 7090 else 7091 mdelay(100); 7092 } 7093 if (ii == 5) 7094 goto out; 7095 7096 rc = PrimeIocFifos(ioc); 7097 if (rc != 0) 7098 goto out; 7099 7100 rc = SendIocInit(ioc, sleepFlag); 7101 if (rc != 0) 7102 goto out; 7103 7104 rc = SendEventNotification(ioc, 1, sleepFlag); 7105 if (rc != 0) 7106 goto out; 7107 7108 if (ioc->hard_resets < -1) 7109 ioc->hard_resets++; 7110 7111 /* 7112 * At this point, we know soft reset succeeded. 7113 */ 7114 7115 ioc->active = 1; 7116 CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM); 7117 7118 out: 7119 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 7120 ioc->ioc_reset_in_progress = 0; 7121 ioc->taskmgmt_quiesce_io = 0; 7122 ioc->taskmgmt_in_progress = 0; 7123 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7124 7125 if (ioc->active) { /* otherwise, hard reset coming */ 7126 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 7127 if (MptResetHandlers[cb_idx]) 7128 mpt_signal_reset(cb_idx, ioc, 7129 MPT_IOC_POST_RESET); 7130 } 7131 } 7132 7133 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 7134 "SoftResetHandler: completed (%d seconds): %s\n", 7135 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000, 7136 ((rc == 0) ? "SUCCESS" : "FAILED"))); 7137 7138 return rc; 7139 } 7140 7141 /** 7142 * mpt_Soft_Hard_ResetHandler - Try less expensive reset 7143 * @ioc: Pointer to MPT_ADAPTER structure 7144 * @sleepFlag: Indicates if sleep or schedule must be called. 7145 * 7146 * Returns 0 for SUCCESS or -1 if FAILED. 7147 * Try for softreset first, only if it fails go for expensive 7148 * HardReset. 7149 **/ 7150 int 7151 mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag) { 7152 int ret = -1; 7153 7154 ret = mpt_SoftResetHandler(ioc, sleepFlag); 7155 if (ret == 0) 7156 return ret; 7157 ret = mpt_HardResetHandler(ioc, sleepFlag); 7158 return ret; 7159 } 7160 EXPORT_SYMBOL(mpt_Soft_Hard_ResetHandler); 7161 7162 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 7163 /* 7164 * Reset Handling 7165 */ 7166 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 7167 /** 7168 * mpt_HardResetHandler - Generic reset handler 7169 * @ioc: Pointer to MPT_ADAPTER structure 7170 * @sleepFlag: Indicates if sleep or schedule must be called. 7171 * 7172 * Issues SCSI Task Management call based on input arg values. 7173 * If TaskMgmt fails, returns associated SCSI request. 7174 * 7175 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer) 7176 * or a non-interrupt thread. In the former, must not call schedule(). 7177 * 7178 * Note: A return of -1 is a FATAL error case, as it means a 7179 * FW reload/initialization failed. 7180 * 7181 * Returns 0 for SUCCESS or -1 if FAILED. 7182 */ 7183 int 7184 mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag) 7185 { 7186 int rc; 7187 u8 cb_idx; 7188 unsigned long flags; 7189 unsigned long time_count; 7190 7191 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler Entered!\n", ioc->name)); 7192 #ifdef MFCNT 7193 printk(MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name); 7194 printk("MF count 0x%x !\n", ioc->mfcnt); 7195 #endif 7196 if (mpt_fwfault_debug) 7197 mpt_halt_firmware(ioc); 7198 7199 /* Reset the adapter. Prevent more than 1 call to 7200 * mpt_do_ioc_recovery at any instant in time. 7201 */ 7202 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 7203 if (ioc->ioc_reset_in_progress) { 7204 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7205 ioc->wait_on_reset_completion = 1; 7206 do { 7207 ssleep(1); 7208 } while (ioc->ioc_reset_in_progress == 1); 7209 ioc->wait_on_reset_completion = 0; 7210 return ioc->reset_status; 7211 } 7212 if (ioc->wait_on_reset_completion) { 7213 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7214 rc = 0; 7215 time_count = jiffies; 7216 goto exit; 7217 } 7218 ioc->ioc_reset_in_progress = 1; 7219 if (ioc->alt_ioc) 7220 ioc->alt_ioc->ioc_reset_in_progress = 1; 7221 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7222 7223 7224 /* The SCSI driver needs to adjust timeouts on all current 7225 * commands prior to the diagnostic reset being issued. 7226 * Prevents timeouts occurring during a diagnostic reset...very bad. 7227 * For all other protocol drivers, this is a no-op. 7228 */ 7229 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 7230 if (MptResetHandlers[cb_idx]) { 7231 mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET); 7232 if (ioc->alt_ioc) 7233 mpt_signal_reset(cb_idx, ioc->alt_ioc, 7234 MPT_IOC_SETUP_RESET); 7235 } 7236 } 7237 7238 time_count = jiffies; 7239 rc = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_RECOVER, sleepFlag); 7240 if (rc != 0) { 7241 printk(KERN_WARNING MYNAM 7242 ": WARNING - (%d) Cannot recover %s, doorbell=0x%08x\n", 7243 rc, ioc->name, mpt_GetIocState(ioc, 0)); 7244 } else { 7245 if (ioc->hard_resets < -1) 7246 ioc->hard_resets++; 7247 } 7248 7249 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 7250 ioc->ioc_reset_in_progress = 0; 7251 ioc->taskmgmt_quiesce_io = 0; 7252 ioc->taskmgmt_in_progress = 0; 7253 ioc->reset_status = rc; 7254 if (ioc->alt_ioc) { 7255 ioc->alt_ioc->ioc_reset_in_progress = 0; 7256 ioc->alt_ioc->taskmgmt_quiesce_io = 0; 7257 ioc->alt_ioc->taskmgmt_in_progress = 0; 7258 } 7259 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 7260 7261 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 7262 if (MptResetHandlers[cb_idx]) { 7263 mpt_signal_reset(cb_idx, ioc, MPT_IOC_POST_RESET); 7264 if (ioc->alt_ioc) 7265 mpt_signal_reset(cb_idx, 7266 ioc->alt_ioc, MPT_IOC_POST_RESET); 7267 } 7268 } 7269 exit: 7270 dtmprintk(ioc, 7271 printk(MYIOC_s_DEBUG_FMT 7272 "HardResetHandler: completed (%d seconds): %s\n", ioc->name, 7273 jiffies_to_msecs(jiffies - time_count)/1000, ((rc == 0) ? 7274 "SUCCESS" : "FAILED"))); 7275 7276 return rc; 7277 } 7278 7279 #ifdef CONFIG_FUSION_LOGGING 7280 static void 7281 mpt_display_event_info(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply) 7282 { 7283 char *ds = NULL; 7284 u32 evData0; 7285 int ii; 7286 u8 event; 7287 char *evStr = ioc->evStr; 7288 7289 event = le32_to_cpu(pEventReply->Event) & 0xFF; 7290 evData0 = le32_to_cpu(pEventReply->Data[0]); 7291 7292 switch(event) { 7293 case MPI_EVENT_NONE: 7294 ds = "None"; 7295 break; 7296 case MPI_EVENT_LOG_DATA: 7297 ds = "Log Data"; 7298 break; 7299 case MPI_EVENT_STATE_CHANGE: 7300 ds = "State Change"; 7301 break; 7302 case MPI_EVENT_UNIT_ATTENTION: 7303 ds = "Unit Attention"; 7304 break; 7305 case MPI_EVENT_IOC_BUS_RESET: 7306 ds = "IOC Bus Reset"; 7307 break; 7308 case MPI_EVENT_EXT_BUS_RESET: 7309 ds = "External Bus Reset"; 7310 break; 7311 case MPI_EVENT_RESCAN: 7312 ds = "Bus Rescan Event"; 7313 break; 7314 case MPI_EVENT_LINK_STATUS_CHANGE: 7315 if (evData0 == MPI_EVENT_LINK_STATUS_FAILURE) 7316 ds = "Link Status(FAILURE) Change"; 7317 else 7318 ds = "Link Status(ACTIVE) Change"; 7319 break; 7320 case MPI_EVENT_LOOP_STATE_CHANGE: 7321 if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LIP) 7322 ds = "Loop State(LIP) Change"; 7323 else if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LPE) 7324 ds = "Loop State(LPE) Change"; 7325 else 7326 ds = "Loop State(LPB) Change"; 7327 break; 7328 case MPI_EVENT_LOGOUT: 7329 ds = "Logout"; 7330 break; 7331 case MPI_EVENT_EVENT_CHANGE: 7332 if (evData0) 7333 ds = "Events ON"; 7334 else 7335 ds = "Events OFF"; 7336 break; 7337 case MPI_EVENT_INTEGRATED_RAID: 7338 { 7339 u8 ReasonCode = (u8)(evData0 >> 16); 7340 switch (ReasonCode) { 7341 case MPI_EVENT_RAID_RC_VOLUME_CREATED : 7342 ds = "Integrated Raid: Volume Created"; 7343 break; 7344 case MPI_EVENT_RAID_RC_VOLUME_DELETED : 7345 ds = "Integrated Raid: Volume Deleted"; 7346 break; 7347 case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED : 7348 ds = "Integrated Raid: Volume Settings Changed"; 7349 break; 7350 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED : 7351 ds = "Integrated Raid: Volume Status Changed"; 7352 break; 7353 case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED : 7354 ds = "Integrated Raid: Volume Physdisk Changed"; 7355 break; 7356 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED : 7357 ds = "Integrated Raid: Physdisk Created"; 7358 break; 7359 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED : 7360 ds = "Integrated Raid: Physdisk Deleted"; 7361 break; 7362 case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED : 7363 ds = "Integrated Raid: Physdisk Settings Changed"; 7364 break; 7365 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED : 7366 ds = "Integrated Raid: Physdisk Status Changed"; 7367 break; 7368 case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED : 7369 ds = "Integrated Raid: Domain Validation Needed"; 7370 break; 7371 case MPI_EVENT_RAID_RC_SMART_DATA : 7372 ds = "Integrated Raid; Smart Data"; 7373 break; 7374 case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED : 7375 ds = "Integrated Raid: Replace Action Started"; 7376 break; 7377 default: 7378 ds = "Integrated Raid"; 7379 break; 7380 } 7381 break; 7382 } 7383 case MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE: 7384 ds = "SCSI Device Status Change"; 7385 break; 7386 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 7387 { 7388 u8 id = (u8)(evData0); 7389 u8 channel = (u8)(evData0 >> 8); 7390 u8 ReasonCode = (u8)(evData0 >> 16); 7391 switch (ReasonCode) { 7392 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: 7393 snprintf(evStr, EVENT_DESCR_STR_SZ, 7394 "SAS Device Status Change: Added: " 7395 "id=%d channel=%d", id, channel); 7396 break; 7397 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: 7398 snprintf(evStr, EVENT_DESCR_STR_SZ, 7399 "SAS Device Status Change: Deleted: " 7400 "id=%d channel=%d", id, channel); 7401 break; 7402 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA: 7403 snprintf(evStr, EVENT_DESCR_STR_SZ, 7404 "SAS Device Status Change: SMART Data: " 7405 "id=%d channel=%d", id, channel); 7406 break; 7407 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED: 7408 snprintf(evStr, EVENT_DESCR_STR_SZ, 7409 "SAS Device Status Change: No Persistancy: " 7410 "id=%d channel=%d", id, channel); 7411 break; 7412 case MPI_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: 7413 snprintf(evStr, EVENT_DESCR_STR_SZ, 7414 "SAS Device Status Change: Unsupported Device " 7415 "Discovered : id=%d channel=%d", id, channel); 7416 break; 7417 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: 7418 snprintf(evStr, EVENT_DESCR_STR_SZ, 7419 "SAS Device Status Change: Internal Device " 7420 "Reset : id=%d channel=%d", id, channel); 7421 break; 7422 case MPI_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: 7423 snprintf(evStr, EVENT_DESCR_STR_SZ, 7424 "SAS Device Status Change: Internal Task " 7425 "Abort : id=%d channel=%d", id, channel); 7426 break; 7427 case MPI_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: 7428 snprintf(evStr, EVENT_DESCR_STR_SZ, 7429 "SAS Device Status Change: Internal Abort " 7430 "Task Set : id=%d channel=%d", id, channel); 7431 break; 7432 case MPI_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: 7433 snprintf(evStr, EVENT_DESCR_STR_SZ, 7434 "SAS Device Status Change: Internal Clear " 7435 "Task Set : id=%d channel=%d", id, channel); 7436 break; 7437 case MPI_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: 7438 snprintf(evStr, EVENT_DESCR_STR_SZ, 7439 "SAS Device Status Change: Internal Query " 7440 "Task : id=%d channel=%d", id, channel); 7441 break; 7442 default: 7443 snprintf(evStr, EVENT_DESCR_STR_SZ, 7444 "SAS Device Status Change: Unknown: " 7445 "id=%d channel=%d", id, channel); 7446 break; 7447 } 7448 break; 7449 } 7450 case MPI_EVENT_ON_BUS_TIMER_EXPIRED: 7451 ds = "Bus Timer Expired"; 7452 break; 7453 case MPI_EVENT_QUEUE_FULL: 7454 { 7455 u16 curr_depth = (u16)(evData0 >> 16); 7456 u8 channel = (u8)(evData0 >> 8); 7457 u8 id = (u8)(evData0); 7458 7459 snprintf(evStr, EVENT_DESCR_STR_SZ, 7460 "Queue Full: channel=%d id=%d depth=%d", 7461 channel, id, curr_depth); 7462 break; 7463 } 7464 case MPI_EVENT_SAS_SES: 7465 ds = "SAS SES Event"; 7466 break; 7467 case MPI_EVENT_PERSISTENT_TABLE_FULL: 7468 ds = "Persistent Table Full"; 7469 break; 7470 case MPI_EVENT_SAS_PHY_LINK_STATUS: 7471 { 7472 u8 LinkRates = (u8)(evData0 >> 8); 7473 u8 PhyNumber = (u8)(evData0); 7474 LinkRates = (LinkRates & MPI_EVENT_SAS_PLS_LR_CURRENT_MASK) >> 7475 MPI_EVENT_SAS_PLS_LR_CURRENT_SHIFT; 7476 switch (LinkRates) { 7477 case MPI_EVENT_SAS_PLS_LR_RATE_UNKNOWN: 7478 snprintf(evStr, EVENT_DESCR_STR_SZ, 7479 "SAS PHY Link Status: Phy=%d:" 7480 " Rate Unknown",PhyNumber); 7481 break; 7482 case MPI_EVENT_SAS_PLS_LR_RATE_PHY_DISABLED: 7483 snprintf(evStr, EVENT_DESCR_STR_SZ, 7484 "SAS PHY Link Status: Phy=%d:" 7485 " Phy Disabled",PhyNumber); 7486 break; 7487 case MPI_EVENT_SAS_PLS_LR_RATE_FAILED_SPEED_NEGOTIATION: 7488 snprintf(evStr, EVENT_DESCR_STR_SZ, 7489 "SAS PHY Link Status: Phy=%d:" 7490 " Failed Speed Nego",PhyNumber); 7491 break; 7492 case MPI_EVENT_SAS_PLS_LR_RATE_SATA_OOB_COMPLETE: 7493 snprintf(evStr, EVENT_DESCR_STR_SZ, 7494 "SAS PHY Link Status: Phy=%d:" 7495 " Sata OOB Completed",PhyNumber); 7496 break; 7497 case MPI_EVENT_SAS_PLS_LR_RATE_1_5: 7498 snprintf(evStr, EVENT_DESCR_STR_SZ, 7499 "SAS PHY Link Status: Phy=%d:" 7500 " Rate 1.5 Gbps",PhyNumber); 7501 break; 7502 case MPI_EVENT_SAS_PLS_LR_RATE_3_0: 7503 snprintf(evStr, EVENT_DESCR_STR_SZ, 7504 "SAS PHY Link Status: Phy=%d:" 7505 " Rate 3.0 Gbps", PhyNumber); 7506 break; 7507 case MPI_EVENT_SAS_PLS_LR_RATE_6_0: 7508 snprintf(evStr, EVENT_DESCR_STR_SZ, 7509 "SAS PHY Link Status: Phy=%d:" 7510 " Rate 6.0 Gbps", PhyNumber); 7511 break; 7512 default: 7513 snprintf(evStr, EVENT_DESCR_STR_SZ, 7514 "SAS PHY Link Status: Phy=%d", PhyNumber); 7515 break; 7516 } 7517 break; 7518 } 7519 case MPI_EVENT_SAS_DISCOVERY_ERROR: 7520 ds = "SAS Discovery Error"; 7521 break; 7522 case MPI_EVENT_IR_RESYNC_UPDATE: 7523 { 7524 u8 resync_complete = (u8)(evData0 >> 16); 7525 snprintf(evStr, EVENT_DESCR_STR_SZ, 7526 "IR Resync Update: Complete = %d:",resync_complete); 7527 break; 7528 } 7529 case MPI_EVENT_IR2: 7530 { 7531 u8 id = (u8)(evData0); 7532 u8 channel = (u8)(evData0 >> 8); 7533 u8 phys_num = (u8)(evData0 >> 24); 7534 u8 ReasonCode = (u8)(evData0 >> 16); 7535 7536 switch (ReasonCode) { 7537 case MPI_EVENT_IR2_RC_LD_STATE_CHANGED: 7538 snprintf(evStr, EVENT_DESCR_STR_SZ, 7539 "IR2: LD State Changed: " 7540 "id=%d channel=%d phys_num=%d", 7541 id, channel, phys_num); 7542 break; 7543 case MPI_EVENT_IR2_RC_PD_STATE_CHANGED: 7544 snprintf(evStr, EVENT_DESCR_STR_SZ, 7545 "IR2: PD State Changed " 7546 "id=%d channel=%d phys_num=%d", 7547 id, channel, phys_num); 7548 break; 7549 case MPI_EVENT_IR2_RC_BAD_BLOCK_TABLE_FULL: 7550 snprintf(evStr, EVENT_DESCR_STR_SZ, 7551 "IR2: Bad Block Table Full: " 7552 "id=%d channel=%d phys_num=%d", 7553 id, channel, phys_num); 7554 break; 7555 case MPI_EVENT_IR2_RC_PD_INSERTED: 7556 snprintf(evStr, EVENT_DESCR_STR_SZ, 7557 "IR2: PD Inserted: " 7558 "id=%d channel=%d phys_num=%d", 7559 id, channel, phys_num); 7560 break; 7561 case MPI_EVENT_IR2_RC_PD_REMOVED: 7562 snprintf(evStr, EVENT_DESCR_STR_SZ, 7563 "IR2: PD Removed: " 7564 "id=%d channel=%d phys_num=%d", 7565 id, channel, phys_num); 7566 break; 7567 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED: 7568 snprintf(evStr, EVENT_DESCR_STR_SZ, 7569 "IR2: Foreign CFG Detected: " 7570 "id=%d channel=%d phys_num=%d", 7571 id, channel, phys_num); 7572 break; 7573 case MPI_EVENT_IR2_RC_REBUILD_MEDIUM_ERROR: 7574 snprintf(evStr, EVENT_DESCR_STR_SZ, 7575 "IR2: Rebuild Medium Error: " 7576 "id=%d channel=%d phys_num=%d", 7577 id, channel, phys_num); 7578 break; 7579 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED: 7580 snprintf(evStr, EVENT_DESCR_STR_SZ, 7581 "IR2: Dual Port Added: " 7582 "id=%d channel=%d phys_num=%d", 7583 id, channel, phys_num); 7584 break; 7585 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED: 7586 snprintf(evStr, EVENT_DESCR_STR_SZ, 7587 "IR2: Dual Port Removed: " 7588 "id=%d channel=%d phys_num=%d", 7589 id, channel, phys_num); 7590 break; 7591 default: 7592 ds = "IR2"; 7593 break; 7594 } 7595 break; 7596 } 7597 case MPI_EVENT_SAS_DISCOVERY: 7598 { 7599 if (evData0) 7600 ds = "SAS Discovery: Start"; 7601 else 7602 ds = "SAS Discovery: Stop"; 7603 break; 7604 } 7605 case MPI_EVENT_LOG_ENTRY_ADDED: 7606 ds = "SAS Log Entry Added"; 7607 break; 7608 7609 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE: 7610 { 7611 u8 phy_num = (u8)(evData0); 7612 u8 port_num = (u8)(evData0 >> 8); 7613 u8 port_width = (u8)(evData0 >> 16); 7614 u8 primative = (u8)(evData0 >> 24); 7615 snprintf(evStr, EVENT_DESCR_STR_SZ, 7616 "SAS Broadcase Primative: phy=%d port=%d " 7617 "width=%d primative=0x%02x", 7618 phy_num, port_num, port_width, primative); 7619 break; 7620 } 7621 7622 case MPI_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: 7623 { 7624 u8 reason = (u8)(evData0); 7625 7626 switch (reason) { 7627 case MPI_EVENT_SAS_INIT_RC_ADDED: 7628 ds = "SAS Initiator Status Change: Added"; 7629 break; 7630 case MPI_EVENT_SAS_INIT_RC_REMOVED: 7631 ds = "SAS Initiator Status Change: Deleted"; 7632 break; 7633 default: 7634 ds = "SAS Initiator Status Change"; 7635 break; 7636 } 7637 break; 7638 } 7639 7640 case MPI_EVENT_SAS_INIT_TABLE_OVERFLOW: 7641 { 7642 u8 max_init = (u8)(evData0); 7643 u8 current_init = (u8)(evData0 >> 8); 7644 7645 snprintf(evStr, EVENT_DESCR_STR_SZ, 7646 "SAS Initiator Device Table Overflow: max initiators=%02d " 7647 "current initators=%02d", 7648 max_init, current_init); 7649 break; 7650 } 7651 case MPI_EVENT_SAS_SMP_ERROR: 7652 { 7653 u8 status = (u8)(evData0); 7654 u8 port_num = (u8)(evData0 >> 8); 7655 u8 result = (u8)(evData0 >> 16); 7656 7657 if (status == MPI_EVENT_SAS_SMP_FUNCTION_RESULT_VALID) 7658 snprintf(evStr, EVENT_DESCR_STR_SZ, 7659 "SAS SMP Error: port=%d result=0x%02x", 7660 port_num, result); 7661 else if (status == MPI_EVENT_SAS_SMP_CRC_ERROR) 7662 snprintf(evStr, EVENT_DESCR_STR_SZ, 7663 "SAS SMP Error: port=%d : CRC Error", 7664 port_num); 7665 else if (status == MPI_EVENT_SAS_SMP_TIMEOUT) 7666 snprintf(evStr, EVENT_DESCR_STR_SZ, 7667 "SAS SMP Error: port=%d : Timeout", 7668 port_num); 7669 else if (status == MPI_EVENT_SAS_SMP_NO_DESTINATION) 7670 snprintf(evStr, EVENT_DESCR_STR_SZ, 7671 "SAS SMP Error: port=%d : No Destination", 7672 port_num); 7673 else if (status == MPI_EVENT_SAS_SMP_BAD_DESTINATION) 7674 snprintf(evStr, EVENT_DESCR_STR_SZ, 7675 "SAS SMP Error: port=%d : Bad Destination", 7676 port_num); 7677 else 7678 snprintf(evStr, EVENT_DESCR_STR_SZ, 7679 "SAS SMP Error: port=%d : status=0x%02x", 7680 port_num, status); 7681 break; 7682 } 7683 7684 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE: 7685 { 7686 u8 reason = (u8)(evData0); 7687 7688 switch (reason) { 7689 case MPI_EVENT_SAS_EXP_RC_ADDED: 7690 ds = "Expander Status Change: Added"; 7691 break; 7692 case MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING: 7693 ds = "Expander Status Change: Deleted"; 7694 break; 7695 default: 7696 ds = "Expander Status Change"; 7697 break; 7698 } 7699 break; 7700 } 7701 7702 /* 7703 * MPT base "custom" events may be added here... 7704 */ 7705 default: 7706 ds = "Unknown"; 7707 break; 7708 } 7709 if (ds) 7710 strncpy(evStr, ds, EVENT_DESCR_STR_SZ); 7711 7712 7713 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 7714 "MPT event:(%02Xh) : %s\n", 7715 ioc->name, event, evStr)); 7716 7717 devtverboseprintk(ioc, printk(KERN_DEBUG MYNAM 7718 ": Event data:\n")); 7719 for (ii = 0; ii < le16_to_cpu(pEventReply->EventDataLength); ii++) 7720 devtverboseprintk(ioc, printk(" %08x", 7721 le32_to_cpu(pEventReply->Data[ii]))); 7722 devtverboseprintk(ioc, printk(KERN_DEBUG "\n")); 7723 } 7724 #endif 7725 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 7726 /** 7727 * ProcessEventNotification - Route EventNotificationReply to all event handlers 7728 * @ioc: Pointer to MPT_ADAPTER structure 7729 * @pEventReply: Pointer to EventNotification reply frame 7730 * @evHandlers: Pointer to integer, number of event handlers 7731 * 7732 * Routes a received EventNotificationReply to all currently registered 7733 * event handlers. 7734 * Returns sum of event handlers return values. 7735 */ 7736 static int 7737 ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply, int *evHandlers) 7738 { 7739 u16 evDataLen; 7740 u32 evData0 = 0; 7741 int ii; 7742 u8 cb_idx; 7743 int r = 0; 7744 int handlers = 0; 7745 u8 event; 7746 7747 /* 7748 * Do platform normalization of values 7749 */ 7750 event = le32_to_cpu(pEventReply->Event) & 0xFF; 7751 evDataLen = le16_to_cpu(pEventReply->EventDataLength); 7752 if (evDataLen) { 7753 evData0 = le32_to_cpu(pEventReply->Data[0]); 7754 } 7755 7756 #ifdef CONFIG_FUSION_LOGGING 7757 if (evDataLen) 7758 mpt_display_event_info(ioc, pEventReply); 7759 #endif 7760 7761 /* 7762 * Do general / base driver event processing 7763 */ 7764 switch(event) { 7765 case MPI_EVENT_EVENT_CHANGE: /* 0A */ 7766 if (evDataLen) { 7767 u8 evState = evData0 & 0xFF; 7768 7769 /* CHECKME! What if evState unexpectedly says OFF (0)? */ 7770 7771 /* Update EventState field in cached IocFacts */ 7772 if (ioc->facts.Function) { 7773 ioc->facts.EventState = evState; 7774 } 7775 } 7776 break; 7777 case MPI_EVENT_INTEGRATED_RAID: 7778 mptbase_raid_process_event_data(ioc, 7779 (MpiEventDataRaid_t *)pEventReply->Data); 7780 break; 7781 default: 7782 break; 7783 } 7784 7785 /* 7786 * Should this event be logged? Events are written sequentially. 7787 * When buffer is full, start again at the top. 7788 */ 7789 if (ioc->events && (ioc->eventTypes & ( 1 << event))) { 7790 int idx; 7791 7792 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE; 7793 7794 ioc->events[idx].event = event; 7795 ioc->events[idx].eventContext = ioc->eventContext; 7796 7797 for (ii = 0; ii < 2; ii++) { 7798 if (ii < evDataLen) 7799 ioc->events[idx].data[ii] = le32_to_cpu(pEventReply->Data[ii]); 7800 else 7801 ioc->events[idx].data[ii] = 0; 7802 } 7803 7804 ioc->eventContext++; 7805 } 7806 7807 7808 /* 7809 * Call each currently registered protocol event handler. 7810 */ 7811 for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) { 7812 if (MptEvHandlers[cb_idx]) { 7813 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 7814 "Routing Event to event handler #%d\n", 7815 ioc->name, cb_idx)); 7816 r += (*(MptEvHandlers[cb_idx]))(ioc, pEventReply); 7817 handlers++; 7818 } 7819 } 7820 /* FIXME? Examine results here? */ 7821 7822 /* 7823 * If needed, send (a single) EventAck. 7824 */ 7825 if (pEventReply->AckRequired == MPI_EVENT_NOTIFICATION_ACK_REQUIRED) { 7826 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 7827 "EventAck required\n",ioc->name)); 7828 if ((ii = SendEventAck(ioc, pEventReply)) != 0) { 7829 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SendEventAck returned %d\n", 7830 ioc->name, ii)); 7831 } 7832 } 7833 7834 *evHandlers = handlers; 7835 return r; 7836 } 7837 7838 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 7839 /** 7840 * mpt_fc_log_info - Log information returned from Fibre Channel IOC. 7841 * @ioc: Pointer to MPT_ADAPTER structure 7842 * @log_info: U32 LogInfo reply word from the IOC 7843 * 7844 * Refer to lsi/mpi_log_fc.h. 7845 */ 7846 static void 7847 mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info) 7848 { 7849 char *desc = "unknown"; 7850 7851 switch (log_info & 0xFF000000) { 7852 case MPI_IOCLOGINFO_FC_INIT_BASE: 7853 desc = "FCP Initiator"; 7854 break; 7855 case MPI_IOCLOGINFO_FC_TARGET_BASE: 7856 desc = "FCP Target"; 7857 break; 7858 case MPI_IOCLOGINFO_FC_LAN_BASE: 7859 desc = "LAN"; 7860 break; 7861 case MPI_IOCLOGINFO_FC_MSG_BASE: 7862 desc = "MPI Message Layer"; 7863 break; 7864 case MPI_IOCLOGINFO_FC_LINK_BASE: 7865 desc = "FC Link"; 7866 break; 7867 case MPI_IOCLOGINFO_FC_CTX_BASE: 7868 desc = "Context Manager"; 7869 break; 7870 case MPI_IOCLOGINFO_FC_INVALID_FIELD_BYTE_OFFSET: 7871 desc = "Invalid Field Offset"; 7872 break; 7873 case MPI_IOCLOGINFO_FC_STATE_CHANGE: 7874 desc = "State Change Info"; 7875 break; 7876 } 7877 7878 printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): SubClass={%s}, Value=(0x%06x)\n", 7879 ioc->name, log_info, desc, (log_info & 0xFFFFFF)); 7880 } 7881 7882 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 7883 /** 7884 * mpt_spi_log_info - Log information returned from SCSI Parallel IOC. 7885 * @ioc: Pointer to MPT_ADAPTER structure 7886 * @log_info: U32 LogInfo word from the IOC 7887 * 7888 * Refer to lsi/sp_log.h. 7889 */ 7890 static void 7891 mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info) 7892 { 7893 u32 info = log_info & 0x00FF0000; 7894 char *desc = "unknown"; 7895 7896 switch (info) { 7897 case 0x00010000: 7898 desc = "bug! MID not found"; 7899 break; 7900 7901 case 0x00020000: 7902 desc = "Parity Error"; 7903 break; 7904 7905 case 0x00030000: 7906 desc = "ASYNC Outbound Overrun"; 7907 break; 7908 7909 case 0x00040000: 7910 desc = "SYNC Offset Error"; 7911 break; 7912 7913 case 0x00050000: 7914 desc = "BM Change"; 7915 break; 7916 7917 case 0x00060000: 7918 desc = "Msg In Overflow"; 7919 break; 7920 7921 case 0x00070000: 7922 desc = "DMA Error"; 7923 break; 7924 7925 case 0x00080000: 7926 desc = "Outbound DMA Overrun"; 7927 break; 7928 7929 case 0x00090000: 7930 desc = "Task Management"; 7931 break; 7932 7933 case 0x000A0000: 7934 desc = "Device Problem"; 7935 break; 7936 7937 case 0x000B0000: 7938 desc = "Invalid Phase Change"; 7939 break; 7940 7941 case 0x000C0000: 7942 desc = "Untagged Table Size"; 7943 break; 7944 7945 } 7946 7947 printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): F/W: %s\n", ioc->name, log_info, desc); 7948 } 7949 7950 /* strings for sas loginfo */ 7951 static char *originator_str[] = { 7952 "IOP", /* 00h */ 7953 "PL", /* 01h */ 7954 "IR" /* 02h */ 7955 }; 7956 static char *iop_code_str[] = { 7957 NULL, /* 00h */ 7958 "Invalid SAS Address", /* 01h */ 7959 NULL, /* 02h */ 7960 "Invalid Page", /* 03h */ 7961 "Diag Message Error", /* 04h */ 7962 "Task Terminated", /* 05h */ 7963 "Enclosure Management", /* 06h */ 7964 "Target Mode" /* 07h */ 7965 }; 7966 static char *pl_code_str[] = { 7967 NULL, /* 00h */ 7968 "Open Failure", /* 01h */ 7969 "Invalid Scatter Gather List", /* 02h */ 7970 "Wrong Relative Offset or Frame Length", /* 03h */ 7971 "Frame Transfer Error", /* 04h */ 7972 "Transmit Frame Connected Low", /* 05h */ 7973 "SATA Non-NCQ RW Error Bit Set", /* 06h */ 7974 "SATA Read Log Receive Data Error", /* 07h */ 7975 "SATA NCQ Fail All Commands After Error", /* 08h */ 7976 "SATA Error in Receive Set Device Bit FIS", /* 09h */ 7977 "Receive Frame Invalid Message", /* 0Ah */ 7978 "Receive Context Message Valid Error", /* 0Bh */ 7979 "Receive Frame Current Frame Error", /* 0Ch */ 7980 "SATA Link Down", /* 0Dh */ 7981 "Discovery SATA Init W IOS", /* 0Eh */ 7982 "Config Invalid Page", /* 0Fh */ 7983 "Discovery SATA Init Timeout", /* 10h */ 7984 "Reset", /* 11h */ 7985 "Abort", /* 12h */ 7986 "IO Not Yet Executed", /* 13h */ 7987 "IO Executed", /* 14h */ 7988 "Persistent Reservation Out Not Affiliation " 7989 "Owner", /* 15h */ 7990 "Open Transmit DMA Abort", /* 16h */ 7991 "IO Device Missing Delay Retry", /* 17h */ 7992 "IO Cancelled Due to Receive Error", /* 18h */ 7993 NULL, /* 19h */ 7994 NULL, /* 1Ah */ 7995 NULL, /* 1Bh */ 7996 NULL, /* 1Ch */ 7997 NULL, /* 1Dh */ 7998 NULL, /* 1Eh */ 7999 NULL, /* 1Fh */ 8000 "Enclosure Management" /* 20h */ 8001 }; 8002 static char *ir_code_str[] = { 8003 "Raid Action Error", /* 00h */ 8004 NULL, /* 00h */ 8005 NULL, /* 01h */ 8006 NULL, /* 02h */ 8007 NULL, /* 03h */ 8008 NULL, /* 04h */ 8009 NULL, /* 05h */ 8010 NULL, /* 06h */ 8011 NULL /* 07h */ 8012 }; 8013 static char *raid_sub_code_str[] = { 8014 NULL, /* 00h */ 8015 "Volume Creation Failed: Data Passed too " 8016 "Large", /* 01h */ 8017 "Volume Creation Failed: Duplicate Volumes " 8018 "Attempted", /* 02h */ 8019 "Volume Creation Failed: Max Number " 8020 "Supported Volumes Exceeded", /* 03h */ 8021 "Volume Creation Failed: DMA Error", /* 04h */ 8022 "Volume Creation Failed: Invalid Volume Type", /* 05h */ 8023 "Volume Creation Failed: Error Reading " 8024 "MFG Page 4", /* 06h */ 8025 "Volume Creation Failed: Creating Internal " 8026 "Structures", /* 07h */ 8027 NULL, /* 08h */ 8028 NULL, /* 09h */ 8029 NULL, /* 0Ah */ 8030 NULL, /* 0Bh */ 8031 NULL, /* 0Ch */ 8032 NULL, /* 0Dh */ 8033 NULL, /* 0Eh */ 8034 NULL, /* 0Fh */ 8035 "Activation failed: Already Active Volume", /* 10h */ 8036 "Activation failed: Unsupported Volume Type", /* 11h */ 8037 "Activation failed: Too Many Active Volumes", /* 12h */ 8038 "Activation failed: Volume ID in Use", /* 13h */ 8039 "Activation failed: Reported Failure", /* 14h */ 8040 "Activation failed: Importing a Volume", /* 15h */ 8041 NULL, /* 16h */ 8042 NULL, /* 17h */ 8043 NULL, /* 18h */ 8044 NULL, /* 19h */ 8045 NULL, /* 1Ah */ 8046 NULL, /* 1Bh */ 8047 NULL, /* 1Ch */ 8048 NULL, /* 1Dh */ 8049 NULL, /* 1Eh */ 8050 NULL, /* 1Fh */ 8051 "Phys Disk failed: Too Many Phys Disks", /* 20h */ 8052 "Phys Disk failed: Data Passed too Large", /* 21h */ 8053 "Phys Disk failed: DMA Error", /* 22h */ 8054 "Phys Disk failed: Invalid <channel:id>", /* 23h */ 8055 "Phys Disk failed: Creating Phys Disk Config " 8056 "Page", /* 24h */ 8057 NULL, /* 25h */ 8058 NULL, /* 26h */ 8059 NULL, /* 27h */ 8060 NULL, /* 28h */ 8061 NULL, /* 29h */ 8062 NULL, /* 2Ah */ 8063 NULL, /* 2Bh */ 8064 NULL, /* 2Ch */ 8065 NULL, /* 2Dh */ 8066 NULL, /* 2Eh */ 8067 NULL, /* 2Fh */ 8068 "Compatibility Error: IR Disabled", /* 30h */ 8069 "Compatibility Error: Inquiry Command Failed", /* 31h */ 8070 "Compatibility Error: Device not Direct Access " 8071 "Device ", /* 32h */ 8072 "Compatibility Error: Removable Device Found", /* 33h */ 8073 "Compatibility Error: Device SCSI Version not " 8074 "2 or Higher", /* 34h */ 8075 "Compatibility Error: SATA Device, 48 BIT LBA " 8076 "not Supported", /* 35h */ 8077 "Compatibility Error: Device doesn't have " 8078 "512 Byte Block Sizes", /* 36h */ 8079 "Compatibility Error: Volume Type Check Failed", /* 37h */ 8080 "Compatibility Error: Volume Type is " 8081 "Unsupported by FW", /* 38h */ 8082 "Compatibility Error: Disk Drive too Small for " 8083 "use in Volume", /* 39h */ 8084 "Compatibility Error: Phys Disk for Create " 8085 "Volume not Found", /* 3Ah */ 8086 "Compatibility Error: Too Many or too Few " 8087 "Disks for Volume Type", /* 3Bh */ 8088 "Compatibility Error: Disk stripe Sizes " 8089 "Must be 64KB", /* 3Ch */ 8090 "Compatibility Error: IME Size Limited to < 2TB", /* 3Dh */ 8091 }; 8092 8093 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 8094 /** 8095 * mpt_sas_log_info - Log information returned from SAS IOC. 8096 * @ioc: Pointer to MPT_ADAPTER structure 8097 * @log_info: U32 LogInfo reply word from the IOC 8098 * @cb_idx: callback function's handle 8099 * 8100 * Refer to lsi/mpi_log_sas.h. 8101 **/ 8102 static void 8103 mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info, u8 cb_idx) 8104 { 8105 union loginfo_type { 8106 u32 loginfo; 8107 struct { 8108 u32 subcode:16; 8109 u32 code:8; 8110 u32 originator:4; 8111 u32 bus_type:4; 8112 }dw; 8113 }; 8114 union loginfo_type sas_loginfo; 8115 char *originator_desc = NULL; 8116 char *code_desc = NULL; 8117 char *sub_code_desc = NULL; 8118 8119 sas_loginfo.loginfo = log_info; 8120 if ((sas_loginfo.dw.bus_type != 3 /*SAS*/) && 8121 (sas_loginfo.dw.originator < ARRAY_SIZE(originator_str))) 8122 return; 8123 8124 originator_desc = originator_str[sas_loginfo.dw.originator]; 8125 8126 switch (sas_loginfo.dw.originator) { 8127 8128 case 0: /* IOP */ 8129 if (sas_loginfo.dw.code < 8130 ARRAY_SIZE(iop_code_str)) 8131 code_desc = iop_code_str[sas_loginfo.dw.code]; 8132 break; 8133 case 1: /* PL */ 8134 if (sas_loginfo.dw.code < 8135 ARRAY_SIZE(pl_code_str)) 8136 code_desc = pl_code_str[sas_loginfo.dw.code]; 8137 break; 8138 case 2: /* IR */ 8139 if (sas_loginfo.dw.code >= 8140 ARRAY_SIZE(ir_code_str)) 8141 break; 8142 code_desc = ir_code_str[sas_loginfo.dw.code]; 8143 if (sas_loginfo.dw.subcode >= 8144 ARRAY_SIZE(raid_sub_code_str)) 8145 break; 8146 if (sas_loginfo.dw.code == 0) 8147 sub_code_desc = 8148 raid_sub_code_str[sas_loginfo.dw.subcode]; 8149 break; 8150 default: 8151 return; 8152 } 8153 8154 if (sub_code_desc != NULL) 8155 printk(MYIOC_s_INFO_FMT 8156 "LogInfo(0x%08x): Originator={%s}, Code={%s}," 8157 " SubCode={%s} cb_idx %s\n", 8158 ioc->name, log_info, originator_desc, code_desc, 8159 sub_code_desc, MptCallbacksName[cb_idx]); 8160 else if (code_desc != NULL) 8161 printk(MYIOC_s_INFO_FMT 8162 "LogInfo(0x%08x): Originator={%s}, Code={%s}," 8163 " SubCode(0x%04x) cb_idx %s\n", 8164 ioc->name, log_info, originator_desc, code_desc, 8165 sas_loginfo.dw.subcode, MptCallbacksName[cb_idx]); 8166 else 8167 printk(MYIOC_s_INFO_FMT 8168 "LogInfo(0x%08x): Originator={%s}, Code=(0x%02x)," 8169 " SubCode(0x%04x) cb_idx %s\n", 8170 ioc->name, log_info, originator_desc, 8171 sas_loginfo.dw.code, sas_loginfo.dw.subcode, 8172 MptCallbacksName[cb_idx]); 8173 } 8174 8175 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 8176 /** 8177 * mpt_iocstatus_info_config - IOCSTATUS information for config pages 8178 * @ioc: Pointer to MPT_ADAPTER structure 8179 * @ioc_status: U32 IOCStatus word from IOC 8180 * @mf: Pointer to MPT request frame 8181 * 8182 * Refer to lsi/mpi.h. 8183 **/ 8184 static void 8185 mpt_iocstatus_info_config(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf) 8186 { 8187 Config_t *pReq = (Config_t *)mf; 8188 char extend_desc[EVENT_DESCR_STR_SZ]; 8189 char *desc = NULL; 8190 u32 form; 8191 u8 page_type; 8192 8193 if (pReq->Header.PageType == MPI_CONFIG_PAGETYPE_EXTENDED) 8194 page_type = pReq->ExtPageType; 8195 else 8196 page_type = pReq->Header.PageType; 8197 8198 /* 8199 * ignore invalid page messages for GET_NEXT_HANDLE 8200 */ 8201 form = le32_to_cpu(pReq->PageAddress); 8202 if (ioc_status == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) { 8203 if (page_type == MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE || 8204 page_type == MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER || 8205 page_type == MPI_CONFIG_EXTPAGETYPE_ENCLOSURE) { 8206 if ((form >> MPI_SAS_DEVICE_PGAD_FORM_SHIFT) == 8207 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE) 8208 return; 8209 } 8210 if (page_type == MPI_CONFIG_PAGETYPE_FC_DEVICE) 8211 if ((form & MPI_FC_DEVICE_PGAD_FORM_MASK) == 8212 MPI_FC_DEVICE_PGAD_FORM_NEXT_DID) 8213 return; 8214 } 8215 8216 snprintf(extend_desc, EVENT_DESCR_STR_SZ, 8217 "type=%02Xh, page=%02Xh, action=%02Xh, form=%08Xh", 8218 page_type, pReq->Header.PageNumber, pReq->Action, form); 8219 8220 switch (ioc_status) { 8221 8222 case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */ 8223 desc = "Config Page Invalid Action"; 8224 break; 8225 8226 case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */ 8227 desc = "Config Page Invalid Type"; 8228 break; 8229 8230 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */ 8231 desc = "Config Page Invalid Page"; 8232 break; 8233 8234 case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */ 8235 desc = "Config Page Invalid Data"; 8236 break; 8237 8238 case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */ 8239 desc = "Config Page No Defaults"; 8240 break; 8241 8242 case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */ 8243 desc = "Config Page Can't Commit"; 8244 break; 8245 } 8246 8247 if (!desc) 8248 return; 8249 8250 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s: %s\n", 8251 ioc->name, ioc_status, desc, extend_desc)); 8252 } 8253 8254 /** 8255 * mpt_iocstatus_info - IOCSTATUS information returned from IOC. 8256 * @ioc: Pointer to MPT_ADAPTER structure 8257 * @ioc_status: U32 IOCStatus word from IOC 8258 * @mf: Pointer to MPT request frame 8259 * 8260 * Refer to lsi/mpi.h. 8261 **/ 8262 static void 8263 mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf) 8264 { 8265 u32 status = ioc_status & MPI_IOCSTATUS_MASK; 8266 char *desc = NULL; 8267 8268 switch (status) { 8269 8270 /****************************************************************************/ 8271 /* Common IOCStatus values for all replies */ 8272 /****************************************************************************/ 8273 8274 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */ 8275 desc = "Invalid Function"; 8276 break; 8277 8278 case MPI_IOCSTATUS_BUSY: /* 0x0002 */ 8279 desc = "Busy"; 8280 break; 8281 8282 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */ 8283 desc = "Invalid SGL"; 8284 break; 8285 8286 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */ 8287 desc = "Internal Error"; 8288 break; 8289 8290 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */ 8291 desc = "Reserved"; 8292 break; 8293 8294 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */ 8295 desc = "Insufficient Resources"; 8296 break; 8297 8298 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */ 8299 desc = "Invalid Field"; 8300 break; 8301 8302 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */ 8303 desc = "Invalid State"; 8304 break; 8305 8306 /****************************************************************************/ 8307 /* Config IOCStatus values */ 8308 /****************************************************************************/ 8309 8310 case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */ 8311 case MPI_IOCSTATUS_CONFIG_INVALID_TYPE: /* 0x0021 */ 8312 case MPI_IOCSTATUS_CONFIG_INVALID_PAGE: /* 0x0022 */ 8313 case MPI_IOCSTATUS_CONFIG_INVALID_DATA: /* 0x0023 */ 8314 case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS: /* 0x0024 */ 8315 case MPI_IOCSTATUS_CONFIG_CANT_COMMIT: /* 0x0025 */ 8316 mpt_iocstatus_info_config(ioc, status, mf); 8317 break; 8318 8319 /****************************************************************************/ 8320 /* SCSIIO Reply (SPI, FCP, SAS) initiator values */ 8321 /* */ 8322 /* Look at mptscsih_iocstatus_info_scsiio in mptscsih.c */ 8323 /* */ 8324 /****************************************************************************/ 8325 8326 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ 8327 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ 8328 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */ 8329 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */ 8330 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ 8331 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ 8332 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ 8333 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ 8334 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ 8335 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */ 8336 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */ 8337 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ 8338 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ 8339 break; 8340 8341 /****************************************************************************/ 8342 /* SCSI Target values */ 8343 /****************************************************************************/ 8344 8345 case MPI_IOCSTATUS_TARGET_PRIORITY_IO: /* 0x0060 */ 8346 desc = "Target: Priority IO"; 8347 break; 8348 8349 case MPI_IOCSTATUS_TARGET_INVALID_PORT: /* 0x0061 */ 8350 desc = "Target: Invalid Port"; 8351 break; 8352 8353 case MPI_IOCSTATUS_TARGET_INVALID_IO_INDEX: /* 0x0062 */ 8354 desc = "Target Invalid IO Index:"; 8355 break; 8356 8357 case MPI_IOCSTATUS_TARGET_ABORTED: /* 0x0063 */ 8358 desc = "Target: Aborted"; 8359 break; 8360 8361 case MPI_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: /* 0x0064 */ 8362 desc = "Target: No Conn Retryable"; 8363 break; 8364 8365 case MPI_IOCSTATUS_TARGET_NO_CONNECTION: /* 0x0065 */ 8366 desc = "Target: No Connection"; 8367 break; 8368 8369 case MPI_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: /* 0x006A */ 8370 desc = "Target: Transfer Count Mismatch"; 8371 break; 8372 8373 case MPI_IOCSTATUS_TARGET_STS_DATA_NOT_SENT: /* 0x006B */ 8374 desc = "Target: STS Data not Sent"; 8375 break; 8376 8377 case MPI_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: /* 0x006D */ 8378 desc = "Target: Data Offset Error"; 8379 break; 8380 8381 case MPI_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: /* 0x006E */ 8382 desc = "Target: Too Much Write Data"; 8383 break; 8384 8385 case MPI_IOCSTATUS_TARGET_IU_TOO_SHORT: /* 0x006F */ 8386 desc = "Target: IU Too Short"; 8387 break; 8388 8389 case MPI_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: /* 0x0070 */ 8390 desc = "Target: ACK NAK Timeout"; 8391 break; 8392 8393 case MPI_IOCSTATUS_TARGET_NAK_RECEIVED: /* 0x0071 */ 8394 desc = "Target: Nak Received"; 8395 break; 8396 8397 /****************************************************************************/ 8398 /* Fibre Channel Direct Access values */ 8399 /****************************************************************************/ 8400 8401 case MPI_IOCSTATUS_FC_ABORTED: /* 0x0066 */ 8402 desc = "FC: Aborted"; 8403 break; 8404 8405 case MPI_IOCSTATUS_FC_RX_ID_INVALID: /* 0x0067 */ 8406 desc = "FC: RX ID Invalid"; 8407 break; 8408 8409 case MPI_IOCSTATUS_FC_DID_INVALID: /* 0x0068 */ 8410 desc = "FC: DID Invalid"; 8411 break; 8412 8413 case MPI_IOCSTATUS_FC_NODE_LOGGED_OUT: /* 0x0069 */ 8414 desc = "FC: Node Logged Out"; 8415 break; 8416 8417 case MPI_IOCSTATUS_FC_EXCHANGE_CANCELED: /* 0x006C */ 8418 desc = "FC: Exchange Canceled"; 8419 break; 8420 8421 /****************************************************************************/ 8422 /* LAN values */ 8423 /****************************************************************************/ 8424 8425 case MPI_IOCSTATUS_LAN_DEVICE_NOT_FOUND: /* 0x0080 */ 8426 desc = "LAN: Device not Found"; 8427 break; 8428 8429 case MPI_IOCSTATUS_LAN_DEVICE_FAILURE: /* 0x0081 */ 8430 desc = "LAN: Device Failure"; 8431 break; 8432 8433 case MPI_IOCSTATUS_LAN_TRANSMIT_ERROR: /* 0x0082 */ 8434 desc = "LAN: Transmit Error"; 8435 break; 8436 8437 case MPI_IOCSTATUS_LAN_TRANSMIT_ABORTED: /* 0x0083 */ 8438 desc = "LAN: Transmit Aborted"; 8439 break; 8440 8441 case MPI_IOCSTATUS_LAN_RECEIVE_ERROR: /* 0x0084 */ 8442 desc = "LAN: Receive Error"; 8443 break; 8444 8445 case MPI_IOCSTATUS_LAN_RECEIVE_ABORTED: /* 0x0085 */ 8446 desc = "LAN: Receive Aborted"; 8447 break; 8448 8449 case MPI_IOCSTATUS_LAN_PARTIAL_PACKET: /* 0x0086 */ 8450 desc = "LAN: Partial Packet"; 8451 break; 8452 8453 case MPI_IOCSTATUS_LAN_CANCELED: /* 0x0087 */ 8454 desc = "LAN: Canceled"; 8455 break; 8456 8457 /****************************************************************************/ 8458 /* Serial Attached SCSI values */ 8459 /****************************************************************************/ 8460 8461 case MPI_IOCSTATUS_SAS_SMP_REQUEST_FAILED: /* 0x0090 */ 8462 desc = "SAS: SMP Request Failed"; 8463 break; 8464 8465 case MPI_IOCSTATUS_SAS_SMP_DATA_OVERRUN: /* 0x0090 */ 8466 desc = "SAS: SMP Data Overrun"; 8467 break; 8468 8469 default: 8470 desc = "Others"; 8471 break; 8472 } 8473 8474 if (!desc) 8475 return; 8476 8477 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT "IOCStatus(0x%04X): %s\n", 8478 ioc->name, status, desc)); 8479 } 8480 8481 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 8482 EXPORT_SYMBOL(mpt_attach); 8483 EXPORT_SYMBOL(mpt_detach); 8484 #ifdef CONFIG_PM 8485 EXPORT_SYMBOL(mpt_resume); 8486 EXPORT_SYMBOL(mpt_suspend); 8487 #endif 8488 EXPORT_SYMBOL(ioc_list); 8489 EXPORT_SYMBOL(mpt_register); 8490 EXPORT_SYMBOL(mpt_deregister); 8491 EXPORT_SYMBOL(mpt_event_register); 8492 EXPORT_SYMBOL(mpt_event_deregister); 8493 EXPORT_SYMBOL(mpt_reset_register); 8494 EXPORT_SYMBOL(mpt_reset_deregister); 8495 EXPORT_SYMBOL(mpt_device_driver_register); 8496 EXPORT_SYMBOL(mpt_device_driver_deregister); 8497 EXPORT_SYMBOL(mpt_get_msg_frame); 8498 EXPORT_SYMBOL(mpt_put_msg_frame); 8499 EXPORT_SYMBOL(mpt_put_msg_frame_hi_pri); 8500 EXPORT_SYMBOL(mpt_free_msg_frame); 8501 EXPORT_SYMBOL(mpt_send_handshake_request); 8502 EXPORT_SYMBOL(mpt_verify_adapter); 8503 EXPORT_SYMBOL(mpt_GetIocState); 8504 EXPORT_SYMBOL(mpt_print_ioc_summary); 8505 EXPORT_SYMBOL(mpt_HardResetHandler); 8506 EXPORT_SYMBOL(mpt_config); 8507 EXPORT_SYMBOL(mpt_findImVolumes); 8508 EXPORT_SYMBOL(mpt_alloc_fw_memory); 8509 EXPORT_SYMBOL(mpt_free_fw_memory); 8510 EXPORT_SYMBOL(mptbase_sas_persist_operation); 8511 EXPORT_SYMBOL(mpt_raid_phys_disk_pg0); 8512 8513 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 8514 /** 8515 * fusion_init - Fusion MPT base driver initialization routine. 8516 * 8517 * Returns 0 for success, non-zero for failure. 8518 */ 8519 static int __init 8520 fusion_init(void) 8521 { 8522 u8 cb_idx; 8523 8524 show_mptmod_ver(my_NAME, my_VERSION); 8525 printk(KERN_INFO COPYRIGHT "\n"); 8526 8527 for (cb_idx = 0; cb_idx < MPT_MAX_PROTOCOL_DRIVERS; cb_idx++) { 8528 MptCallbacks[cb_idx] = NULL; 8529 MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER; 8530 MptEvHandlers[cb_idx] = NULL; 8531 MptResetHandlers[cb_idx] = NULL; 8532 } 8533 8534 /* Register ourselves (mptbase) in order to facilitate 8535 * EventNotification handling. 8536 */ 8537 mpt_base_index = mpt_register(mptbase_reply, MPTBASE_DRIVER, 8538 "mptbase_reply"); 8539 8540 /* Register for hard reset handling callbacks. 8541 */ 8542 mpt_reset_register(mpt_base_index, mpt_ioc_reset); 8543 8544 #ifdef CONFIG_PROC_FS 8545 (void) procmpt_create(); 8546 #endif 8547 return 0; 8548 } 8549 8550 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 8551 /** 8552 * fusion_exit - Perform driver unload cleanup. 8553 * 8554 * This routine frees all resources associated with each MPT adapter 8555 * and removes all %MPT_PROCFS_MPTBASEDIR entries. 8556 */ 8557 static void __exit 8558 fusion_exit(void) 8559 { 8560 8561 mpt_reset_deregister(mpt_base_index); 8562 8563 #ifdef CONFIG_PROC_FS 8564 procmpt_destroy(); 8565 #endif 8566 } 8567 8568 module_init(fusion_init); 8569 module_exit(fusion_exit); 8570