1 /* 2 * linux/drivers/message/fusion/mptctl.c 3 * mpt Ioctl driver. 4 * For use with LSI PCI chip/adapters 5 * running LSI Fusion MPT (Message Passing Technology) firmware. 6 * 7 * Copyright (c) 1999-2008 LSI Corporation 8 * (mailto:DL-MPTFusionLinux@lsi.com) 9 * 10 */ 11 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 12 /* 13 This program is free software; you can redistribute it and/or modify 14 it under the terms of the GNU General Public License as published by 15 the Free Software Foundation; version 2 of the License. 16 17 This program is distributed in the hope that it will be useful, 18 but WITHOUT ANY WARRANTY; without even the implied warranty of 19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 GNU General Public License for more details. 21 22 NO WARRANTY 23 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR 24 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT 25 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, 26 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is 27 solely responsible for determining the appropriateness of using and 28 distributing the Program and assumes all risks associated with its 29 exercise of rights under this Agreement, including but not limited to 30 the risks and costs of program errors, damage to or loss of data, 31 programs or equipment, and unavailability or interruption of operations. 32 33 DISCLAIMER OF LIABILITY 34 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY 35 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND 37 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 38 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 39 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED 40 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES 41 42 You should have received a copy of the GNU General Public License 43 along with this program; if not, write to the Free Software 44 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 45 */ 46 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 47 48 #include <linux/kernel.h> 49 #include <linux/module.h> 50 #include <linux/errno.h> 51 #include <linux/init.h> 52 #include <linux/slab.h> 53 #include <linux/types.h> 54 #include <linux/pci.h> 55 #include <linux/delay.h> /* for mdelay */ 56 #include <linux/miscdevice.h> 57 #include <linux/mutex.h> 58 #include <linux/compat.h> 59 60 #include <asm/io.h> 61 #include <asm/uaccess.h> 62 63 #include <scsi/scsi.h> 64 #include <scsi/scsi_cmnd.h> 65 #include <scsi/scsi_device.h> 66 #include <scsi/scsi_host.h> 67 #include <scsi/scsi_tcq.h> 68 69 #define COPYRIGHT "Copyright (c) 1999-2008 LSI Corporation" 70 #define MODULEAUTHOR "LSI Corporation" 71 #include "mptbase.h" 72 #include "mptctl.h" 73 74 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 75 #define my_NAME "Fusion MPT misc device (ioctl) driver" 76 #define my_VERSION MPT_LINUX_VERSION_COMMON 77 #define MYNAM "mptctl" 78 79 MODULE_AUTHOR(MODULEAUTHOR); 80 MODULE_DESCRIPTION(my_NAME); 81 MODULE_LICENSE("GPL"); 82 MODULE_VERSION(my_VERSION); 83 84 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 85 86 static DEFINE_MUTEX(mpctl_mutex); 87 static u8 mptctl_id = MPT_MAX_PROTOCOL_DRIVERS; 88 static u8 mptctl_taskmgmt_id = MPT_MAX_PROTOCOL_DRIVERS; 89 90 static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait ); 91 92 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 93 94 struct buflist { 95 u8 *kptr; 96 int len; 97 }; 98 99 /* 100 * Function prototypes. Called from OS entry point mptctl_ioctl. 101 * arg contents specific to function. 102 */ 103 static int mptctl_fw_download(unsigned long arg); 104 static int mptctl_getiocinfo(unsigned long arg, unsigned int cmd); 105 static int mptctl_gettargetinfo(unsigned long arg); 106 static int mptctl_readtest(unsigned long arg); 107 static int mptctl_mpt_command(unsigned long arg); 108 static int mptctl_eventquery(unsigned long arg); 109 static int mptctl_eventenable(unsigned long arg); 110 static int mptctl_eventreport(unsigned long arg); 111 static int mptctl_replace_fw(unsigned long arg); 112 113 static int mptctl_do_reset(unsigned long arg); 114 static int mptctl_hp_hostinfo(unsigned long arg, unsigned int cmd); 115 static int mptctl_hp_targetinfo(unsigned long arg); 116 117 static int mptctl_probe(struct pci_dev *, const struct pci_device_id *); 118 static void mptctl_remove(struct pci_dev *); 119 120 #ifdef CONFIG_COMPAT 121 static long compat_mpctl_ioctl(struct file *f, unsigned cmd, unsigned long arg); 122 #endif 123 /* 124 * Private function calls. 125 */ 126 static int mptctl_do_mpt_command(struct mpt_ioctl_command karg, void __user *mfPtr); 127 static int mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen); 128 static MptSge_t *kbuf_alloc_2_sgl(int bytes, u32 dir, int sge_offset, int *frags, 129 struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc); 130 static void kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, 131 struct buflist *buflist, MPT_ADAPTER *ioc); 132 133 /* 134 * Reset Handler cleanup function 135 */ 136 static int mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase); 137 138 /* 139 * Event Handler function 140 */ 141 static int mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply); 142 static struct fasync_struct *async_queue=NULL; 143 144 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 145 /* 146 * Scatter gather list (SGL) sizes and limits... 147 */ 148 //#define MAX_SCSI_FRAGS 9 149 #define MAX_FRAGS_SPILL1 9 150 #define MAX_FRAGS_SPILL2 15 151 #define FRAGS_PER_BUCKET (MAX_FRAGS_SPILL2 + 1) 152 153 //#define MAX_CHAIN_FRAGS 64 154 //#define MAX_CHAIN_FRAGS (15+15+15+16) 155 #define MAX_CHAIN_FRAGS (4 * MAX_FRAGS_SPILL2 + 1) 156 157 // Define max sg LIST bytes ( == (#frags + #chains) * 8 bytes each) 158 // Works out to: 592d bytes! (9+1)*8 + 4*(15+1)*8 159 // ^----------------- 80 + 512 160 #define MAX_SGL_BYTES ((MAX_FRAGS_SPILL1 + 1 + (4 * FRAGS_PER_BUCKET)) * 8) 161 162 /* linux only seems to ever give 128kB MAX contiguous (GFP_USER) mem bytes */ 163 #define MAX_KMALLOC_SZ (128*1024) 164 165 #define MPT_IOCTL_DEFAULT_TIMEOUT 10 /* Default timeout value (seconds) */ 166 167 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 168 /** 169 * mptctl_syscall_down - Down the MPT adapter syscall semaphore. 170 * @ioc: Pointer to MPT adapter 171 * @nonblock: boolean, non-zero if O_NONBLOCK is set 172 * 173 * All of the ioctl commands can potentially sleep, which is illegal 174 * with a spinlock held, thus we perform mutual exclusion here. 175 * 176 * Returns negative errno on error, or zero for success. 177 */ 178 static inline int 179 mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock) 180 { 181 int rc = 0; 182 183 if (nonblock) { 184 if (!mutex_trylock(&ioc->ioctl_cmds.mutex)) 185 rc = -EAGAIN; 186 } else { 187 if (mutex_lock_interruptible(&ioc->ioctl_cmds.mutex)) 188 rc = -ERESTARTSYS; 189 } 190 return rc; 191 } 192 193 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 194 /* 195 * This is the callback for any message we have posted. The message itself 196 * will be returned to the message pool when we return from the IRQ 197 * 198 * This runs in irq context so be short and sweet. 199 */ 200 static int 201 mptctl_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply) 202 { 203 char *sense_data; 204 int req_index; 205 int sz; 206 207 if (!req) 208 return 0; 209 210 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "completing mpi function " 211 "(0x%02X), req=%p, reply=%p\n", ioc->name, req->u.hdr.Function, 212 req, reply)); 213 214 /* 215 * Handling continuation of the same reply. Processing the first 216 * reply, and eating the other replys that come later. 217 */ 218 if (ioc->ioctl_cmds.msg_context != req->u.hdr.MsgContext) 219 goto out_continuation; 220 221 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 222 223 if (!reply) 224 goto out; 225 226 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 227 sz = min(ioc->reply_sz, 4*reply->u.reply.MsgLength); 228 memcpy(ioc->ioctl_cmds.reply, reply, sz); 229 230 if (reply->u.reply.IOCStatus || reply->u.reply.IOCLogInfo) 231 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 232 "iocstatus (0x%04X), loginfo (0x%08X)\n", ioc->name, 233 le16_to_cpu(reply->u.reply.IOCStatus), 234 le32_to_cpu(reply->u.reply.IOCLogInfo))); 235 236 if ((req->u.hdr.Function == MPI_FUNCTION_SCSI_IO_REQUEST) || 237 (req->u.hdr.Function == 238 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { 239 240 if (reply->u.sreply.SCSIStatus || reply->u.sreply.SCSIState) 241 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 242 "scsi_status (0x%02x), scsi_state (0x%02x), " 243 "tag = (0x%04x), transfer_count (0x%08x)\n", ioc->name, 244 reply->u.sreply.SCSIStatus, 245 reply->u.sreply.SCSIState, 246 le16_to_cpu(reply->u.sreply.TaskTag), 247 le32_to_cpu(reply->u.sreply.TransferCount))); 248 249 if (reply->u.sreply.SCSIState & 250 MPI_SCSI_STATE_AUTOSENSE_VALID) { 251 sz = req->u.scsireq.SenseBufferLength; 252 req_index = 253 le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx); 254 sense_data = ((u8 *)ioc->sense_buf_pool + 255 (req_index * MPT_SENSE_BUFFER_ALLOC)); 256 memcpy(ioc->ioctl_cmds.sense, sense_data, sz); 257 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_SENSE_VALID; 258 } 259 } 260 261 out: 262 /* We are done, issue wake up 263 */ 264 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) { 265 if (req->u.hdr.Function == MPI_FUNCTION_SCSI_TASK_MGMT) { 266 mpt_clear_taskmgmt_in_progress_flag(ioc); 267 ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 268 complete(&ioc->ioctl_cmds.done); 269 if (ioc->bus_type == SAS) 270 ioc->schedule_target_reset(ioc); 271 } else { 272 ioc->ioctl_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 273 complete(&ioc->ioctl_cmds.done); 274 } 275 } 276 277 out_continuation: 278 if (reply && (reply->u.reply.MsgFlags & 279 MPI_MSGFLAGS_CONTINUATION_REPLY)) 280 return 0; 281 return 1; 282 } 283 284 285 static int 286 mptctl_taskmgmt_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) 287 { 288 if (!mf) 289 return 0; 290 291 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 292 "TaskMgmt completed (mf=%p, mr=%p)\n", 293 ioc->name, mf, mr)); 294 295 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 296 297 if (!mr) 298 goto out; 299 300 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 301 memcpy(ioc->taskmgmt_cmds.reply, mr, 302 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength)); 303 out: 304 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { 305 mpt_clear_taskmgmt_in_progress_flag(ioc); 306 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 307 complete(&ioc->taskmgmt_cmds.done); 308 if (ioc->bus_type == SAS) 309 ioc->schedule_target_reset(ioc); 310 return 1; 311 } 312 return 0; 313 } 314 315 static int 316 mptctl_do_taskmgmt(MPT_ADAPTER *ioc, u8 tm_type, u8 bus_id, u8 target_id) 317 { 318 MPT_FRAME_HDR *mf; 319 SCSITaskMgmt_t *pScsiTm; 320 SCSITaskMgmtReply_t *pScsiTmReply; 321 int ii; 322 int retval; 323 unsigned long timeout; 324 unsigned long time_count; 325 u16 iocstatus; 326 327 328 mutex_lock(&ioc->taskmgmt_cmds.mutex); 329 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { 330 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 331 return -EPERM; 332 } 333 334 retval = 0; 335 336 mf = mpt_get_msg_frame(mptctl_taskmgmt_id, ioc); 337 if (mf == NULL) { 338 dtmprintk(ioc, 339 printk(MYIOC_s_WARN_FMT "TaskMgmt, no msg frames!!\n", 340 ioc->name)); 341 mpt_clear_taskmgmt_in_progress_flag(ioc); 342 retval = -ENOMEM; 343 goto tm_done; 344 } 345 346 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n", 347 ioc->name, mf)); 348 349 pScsiTm = (SCSITaskMgmt_t *) mf; 350 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t)); 351 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 352 pScsiTm->TaskType = tm_type; 353 if ((tm_type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) && 354 (ioc->bus_type == FC)) 355 pScsiTm->MsgFlags = 356 MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION; 357 pScsiTm->TargetID = target_id; 358 pScsiTm->Bus = bus_id; 359 pScsiTm->ChainOffset = 0; 360 pScsiTm->Reserved = 0; 361 pScsiTm->Reserved1 = 0; 362 pScsiTm->TaskMsgContext = 0; 363 for (ii= 0; ii < 8; ii++) 364 pScsiTm->LUN[ii] = 0; 365 for (ii=0; ii < 7; ii++) 366 pScsiTm->Reserved2[ii] = 0; 367 368 switch (ioc->bus_type) { 369 case FC: 370 timeout = 40; 371 break; 372 case SAS: 373 timeout = 30; 374 break; 375 case SPI: 376 default: 377 timeout = 10; 378 break; 379 } 380 381 dtmprintk(ioc, 382 printk(MYIOC_s_DEBUG_FMT "TaskMgmt type=%d timeout=%ld\n", 383 ioc->name, tm_type, timeout)); 384 385 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status) 386 time_count = jiffies; 387 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && 388 (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) 389 mpt_put_msg_frame_hi_pri(mptctl_taskmgmt_id, ioc, mf); 390 else { 391 retval = mpt_send_handshake_request(mptctl_taskmgmt_id, ioc, 392 sizeof(SCSITaskMgmt_t), (u32 *)pScsiTm, CAN_SLEEP); 393 if (retval != 0) { 394 dfailprintk(ioc, 395 printk(MYIOC_s_ERR_FMT 396 "TaskMgmt send_handshake FAILED!" 397 " (ioc %p, mf %p, rc=%d) \n", ioc->name, 398 ioc, mf, retval)); 399 mpt_free_msg_frame(ioc, mf); 400 mpt_clear_taskmgmt_in_progress_flag(ioc); 401 goto tm_done; 402 } 403 } 404 405 /* Now wait for the command to complete */ 406 ii = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, timeout*HZ); 407 408 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 409 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 410 "TaskMgmt failed\n", ioc->name)); 411 mpt_free_msg_frame(ioc, mf); 412 mpt_clear_taskmgmt_in_progress_flag(ioc); 413 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) 414 retval = 0; 415 else 416 retval = -1; /* return failure */ 417 goto tm_done; 418 } 419 420 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { 421 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 422 "TaskMgmt failed\n", ioc->name)); 423 retval = -1; /* return failure */ 424 goto tm_done; 425 } 426 427 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply; 428 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 429 "TaskMgmt fw_channel = %d, fw_id = %d, task_type=0x%02X, " 430 "iocstatus=0x%04X\n\tloginfo=0x%08X, response_code=0x%02X, " 431 "term_cmnds=%d\n", ioc->name, pScsiTmReply->Bus, 432 pScsiTmReply->TargetID, tm_type, 433 le16_to_cpu(pScsiTmReply->IOCStatus), 434 le32_to_cpu(pScsiTmReply->IOCLogInfo), 435 pScsiTmReply->ResponseCode, 436 le32_to_cpu(pScsiTmReply->TerminationCount))); 437 438 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; 439 440 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED || 441 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED || 442 iocstatus == MPI_IOCSTATUS_SUCCESS) 443 retval = 0; 444 else { 445 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 446 "TaskMgmt failed\n", ioc->name)); 447 retval = -1; /* return failure */ 448 } 449 450 tm_done: 451 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 452 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status) 453 return retval; 454 } 455 456 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 457 /* mptctl_timeout_expired 458 * 459 * Expecting an interrupt, however timed out. 460 * 461 */ 462 static void 463 mptctl_timeout_expired(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf) 464 { 465 unsigned long flags; 466 int ret_val = -1; 467 SCSIIORequest_t *scsi_req = (SCSIIORequest_t *) mf; 468 u8 function = mf->u.hdr.Function; 469 470 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": %s\n", 471 ioc->name, __func__)); 472 473 if (mpt_fwfault_debug) 474 mpt_halt_firmware(ioc); 475 476 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 477 if (ioc->ioc_reset_in_progress) { 478 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 479 CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status) 480 mpt_free_msg_frame(ioc, mf); 481 return; 482 } 483 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 484 485 486 CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status) 487 488 if (ioc->bus_type == SAS) { 489 if (function == MPI_FUNCTION_SCSI_IO_REQUEST) 490 ret_val = mptctl_do_taskmgmt(ioc, 491 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 492 scsi_req->Bus, scsi_req->TargetID); 493 else if (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) 494 ret_val = mptctl_do_taskmgmt(ioc, 495 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 496 scsi_req->Bus, 0); 497 if (!ret_val) 498 return; 499 } else { 500 if ((function == MPI_FUNCTION_SCSI_IO_REQUEST) || 501 (function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) 502 ret_val = mptctl_do_taskmgmt(ioc, 503 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 504 scsi_req->Bus, 0); 505 if (!ret_val) 506 return; 507 } 508 509 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling Reset! \n", 510 ioc->name)); 511 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 512 mpt_free_msg_frame(ioc, mf); 513 } 514 515 516 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 517 /* mptctl_ioc_reset 518 * 519 * Clean-up functionality. Used only if there has been a 520 * reload of the FW due. 521 * 522 */ 523 static int 524 mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) 525 { 526 switch(reset_phase) { 527 case MPT_IOC_SETUP_RESET: 528 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 529 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); 530 break; 531 case MPT_IOC_PRE_RESET: 532 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 533 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); 534 break; 535 case MPT_IOC_POST_RESET: 536 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 537 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); 538 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_PENDING) { 539 ioc->ioctl_cmds.status |= MPT_MGMT_STATUS_DID_IOCRESET; 540 complete(&ioc->ioctl_cmds.done); 541 } 542 break; 543 default: 544 break; 545 } 546 547 return 1; 548 } 549 550 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 551 /* ASYNC Event Notification Support */ 552 static int 553 mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) 554 { 555 u8 event; 556 557 event = le32_to_cpu(pEvReply->Event) & 0xFF; 558 559 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s() called\n", 560 ioc->name, __func__)); 561 if(async_queue == NULL) 562 return 1; 563 564 /* Raise SIGIO for persistent events. 565 * TODO - this define is not in MPI spec yet, 566 * but they plan to set it to 0x21 567 */ 568 if (event == 0x21 ) { 569 ioc->aen_event_read_flag=1; 570 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Raised SIGIO to application\n", 571 ioc->name)); 572 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 573 "Raised SIGIO to application\n", ioc->name)); 574 kill_fasync(&async_queue, SIGIO, POLL_IN); 575 return 1; 576 } 577 578 /* This flag is set after SIGIO was raised, and 579 * remains set until the application has read 580 * the event log via ioctl=MPTEVENTREPORT 581 */ 582 if(ioc->aen_event_read_flag) 583 return 1; 584 585 /* Signal only for the events that are 586 * requested for by the application 587 */ 588 if (ioc->events && (ioc->eventTypes & ( 1 << event))) { 589 ioc->aen_event_read_flag=1; 590 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 591 "Raised SIGIO to application\n", ioc->name)); 592 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT 593 "Raised SIGIO to application\n", ioc->name)); 594 kill_fasync(&async_queue, SIGIO, POLL_IN); 595 } 596 return 1; 597 } 598 599 static int 600 mptctl_fasync(int fd, struct file *filep, int mode) 601 { 602 MPT_ADAPTER *ioc; 603 int ret; 604 605 mutex_lock(&mpctl_mutex); 606 list_for_each_entry(ioc, &ioc_list, list) 607 ioc->aen_event_read_flag=0; 608 609 ret = fasync_helper(fd, filep, mode, &async_queue); 610 mutex_unlock(&mpctl_mutex); 611 return ret; 612 } 613 614 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 615 /* 616 * MPT ioctl handler 617 * cmd - specify the particular IOCTL command to be issued 618 * arg - data specific to the command. Must not be null. 619 */ 620 static long 621 __mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 622 { 623 mpt_ioctl_header __user *uhdr = (void __user *) arg; 624 mpt_ioctl_header khdr; 625 int iocnum; 626 unsigned iocnumX; 627 int nonblock = (file->f_flags & O_NONBLOCK); 628 int ret; 629 MPT_ADAPTER *iocp = NULL; 630 631 if (copy_from_user(&khdr, uhdr, sizeof(khdr))) { 632 printk(KERN_ERR MYNAM "%s::mptctl_ioctl() @%d - " 633 "Unable to copy mpt_ioctl_header data @ %p\n", 634 __FILE__, __LINE__, uhdr); 635 return -EFAULT; 636 } 637 ret = -ENXIO; /* (-6) No such device or address */ 638 639 /* Verify intended MPT adapter - set iocnum and the adapter 640 * pointer (iocp) 641 */ 642 iocnumX = khdr.iocnum & 0xFF; 643 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || 644 (iocp == NULL)) 645 return -ENODEV; 646 647 if (!iocp->active) { 648 printk(KERN_DEBUG MYNAM "%s::mptctl_ioctl() @%d - Controller disabled.\n", 649 __FILE__, __LINE__); 650 return -EFAULT; 651 } 652 653 /* Handle those commands that are just returning 654 * information stored in the driver. 655 * These commands should never time out and are unaffected 656 * by TM and FW reloads. 657 */ 658 if ((cmd & ~IOCSIZE_MASK) == (MPTIOCINFO & ~IOCSIZE_MASK)) { 659 return mptctl_getiocinfo(arg, _IOC_SIZE(cmd)); 660 } else if (cmd == MPTTARGETINFO) { 661 return mptctl_gettargetinfo(arg); 662 } else if (cmd == MPTTEST) { 663 return mptctl_readtest(arg); 664 } else if (cmd == MPTEVENTQUERY) { 665 return mptctl_eventquery(arg); 666 } else if (cmd == MPTEVENTENABLE) { 667 return mptctl_eventenable(arg); 668 } else if (cmd == MPTEVENTREPORT) { 669 return mptctl_eventreport(arg); 670 } else if (cmd == MPTFWREPLACE) { 671 return mptctl_replace_fw(arg); 672 } 673 674 /* All of these commands require an interrupt or 675 * are unknown/illegal. 676 */ 677 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) 678 return ret; 679 680 if (cmd == MPTFWDOWNLOAD) 681 ret = mptctl_fw_download(arg); 682 else if (cmd == MPTCOMMAND) 683 ret = mptctl_mpt_command(arg); 684 else if (cmd == MPTHARDRESET) 685 ret = mptctl_do_reset(arg); 686 else if ((cmd & ~IOCSIZE_MASK) == (HP_GETHOSTINFO & ~IOCSIZE_MASK)) 687 ret = mptctl_hp_hostinfo(arg, _IOC_SIZE(cmd)); 688 else if (cmd == HP_GETTARGETINFO) 689 ret = mptctl_hp_targetinfo(arg); 690 else 691 ret = -EINVAL; 692 693 mutex_unlock(&iocp->ioctl_cmds.mutex); 694 695 return ret; 696 } 697 698 static long 699 mptctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 700 { 701 long ret; 702 mutex_lock(&mpctl_mutex); 703 ret = __mptctl_ioctl(file, cmd, arg); 704 mutex_unlock(&mpctl_mutex); 705 return ret; 706 } 707 708 static int mptctl_do_reset(unsigned long arg) 709 { 710 struct mpt_ioctl_diag_reset __user *urinfo = (void __user *) arg; 711 struct mpt_ioctl_diag_reset krinfo; 712 MPT_ADAPTER *iocp; 713 714 if (copy_from_user(&krinfo, urinfo, sizeof(struct mpt_ioctl_diag_reset))) { 715 printk(KERN_ERR MYNAM "%s@%d::mptctl_do_reset - " 716 "Unable to copy mpt_ioctl_diag_reset struct @ %p\n", 717 __FILE__, __LINE__, urinfo); 718 return -EFAULT; 719 } 720 721 if (mpt_verify_adapter(krinfo.hdr.iocnum, &iocp) < 0) { 722 printk(KERN_DEBUG MYNAM "%s@%d::mptctl_do_reset - ioc%d not found!\n", 723 __FILE__, __LINE__, krinfo.hdr.iocnum); 724 return -ENODEV; /* (-6) No such device or address */ 725 } 726 727 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "mptctl_do_reset called.\n", 728 iocp->name)); 729 730 if (mpt_HardResetHandler(iocp, CAN_SLEEP) != 0) { 731 printk (MYIOC_s_ERR_FMT "%s@%d::mptctl_do_reset - reset failed.\n", 732 iocp->name, __FILE__, __LINE__); 733 return -1; 734 } 735 736 return 0; 737 } 738 739 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 740 /* 741 * MPT FW download function. Cast the arg into the mpt_fw_xfer structure. 742 * This structure contains: iocnum, firmware length (bytes), 743 * pointer to user space memory where the fw image is stored. 744 * 745 * Outputs: None. 746 * Return: 0 if successful 747 * -EFAULT if data unavailable 748 * -ENXIO if no such device 749 * -EAGAIN if resource problem 750 * -ENOMEM if no memory for SGE 751 * -EMLINK if too many chain buffers required 752 * -EBADRQC if adapter does not support FW download 753 * -EBUSY if adapter is busy 754 * -ENOMSG if FW upload returned bad status 755 */ 756 static int 757 mptctl_fw_download(unsigned long arg) 758 { 759 struct mpt_fw_xfer __user *ufwdl = (void __user *) arg; 760 struct mpt_fw_xfer kfwdl; 761 762 if (copy_from_user(&kfwdl, ufwdl, sizeof(struct mpt_fw_xfer))) { 763 printk(KERN_ERR MYNAM "%s@%d::_ioctl_fwdl - " 764 "Unable to copy mpt_fw_xfer struct @ %p\n", 765 __FILE__, __LINE__, ufwdl); 766 return -EFAULT; 767 } 768 769 return mptctl_do_fw_download(kfwdl.iocnum, kfwdl.bufp, kfwdl.fwlen); 770 } 771 772 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 773 /* 774 * FW Download engine. 775 * Outputs: None. 776 * Return: 0 if successful 777 * -EFAULT if data unavailable 778 * -ENXIO if no such device 779 * -EAGAIN if resource problem 780 * -ENOMEM if no memory for SGE 781 * -EMLINK if too many chain buffers required 782 * -EBADRQC if adapter does not support FW download 783 * -EBUSY if adapter is busy 784 * -ENOMSG if FW upload returned bad status 785 */ 786 static int 787 mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen) 788 { 789 FWDownload_t *dlmsg; 790 MPT_FRAME_HDR *mf; 791 MPT_ADAPTER *iocp; 792 FWDownloadTCSGE_t *ptsge; 793 MptSge_t *sgl, *sgIn; 794 char *sgOut; 795 struct buflist *buflist; 796 struct buflist *bl; 797 dma_addr_t sgl_dma; 798 int ret; 799 int numfrags = 0; 800 int maxfrags; 801 int n = 0; 802 u32 sgdir; 803 u32 nib; 804 int fw_bytes_copied = 0; 805 int i; 806 int sge_offset = 0; 807 u16 iocstat; 808 pFWDownloadReply_t ReplyMsg = NULL; 809 unsigned long timeleft; 810 811 if (mpt_verify_adapter(ioc, &iocp) < 0) { 812 printk(KERN_DEBUG MYNAM "ioctl_fwdl - ioc%d not found!\n", 813 ioc); 814 return -ENODEV; /* (-6) No such device or address */ 815 } else { 816 817 /* Valid device. Get a message frame and construct the FW download message. 818 */ 819 if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL) 820 return -EAGAIN; 821 } 822 823 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT 824 "mptctl_do_fwdl called. mptctl_id = %xh.\n", iocp->name, mptctl_id)); 825 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.bufp = %p\n", 826 iocp->name, ufwbuf)); 827 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.fwlen = %d\n", 828 iocp->name, (int)fwlen)); 829 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: kfwdl.ioc = %04xh\n", 830 iocp->name, ioc)); 831 832 dlmsg = (FWDownload_t*) mf; 833 ptsge = (FWDownloadTCSGE_t *) &dlmsg->SGL; 834 sgOut = (char *) (ptsge + 1); 835 836 /* 837 * Construct f/w download request 838 */ 839 dlmsg->ImageType = MPI_FW_DOWNLOAD_ITYPE_FW; 840 dlmsg->Reserved = 0; 841 dlmsg->ChainOffset = 0; 842 dlmsg->Function = MPI_FUNCTION_FW_DOWNLOAD; 843 dlmsg->Reserved1[0] = dlmsg->Reserved1[1] = dlmsg->Reserved1[2] = 0; 844 if (iocp->facts.MsgVersion >= MPI_VERSION_01_05) 845 dlmsg->MsgFlags = MPI_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT; 846 else 847 dlmsg->MsgFlags = 0; 848 849 850 /* Set up the Transaction SGE. 851 */ 852 ptsge->Reserved = 0; 853 ptsge->ContextSize = 0; 854 ptsge->DetailsLength = 12; 855 ptsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT; 856 ptsge->Reserved_0100_Checksum = 0; 857 ptsge->ImageOffset = 0; 858 ptsge->ImageSize = cpu_to_le32(fwlen); 859 860 /* Add the SGL 861 */ 862 863 /* 864 * Need to kmalloc area(s) for holding firmware image bytes. 865 * But we need to do it piece meal, using a proper 866 * scatter gather list (with 128kB MAX hunks). 867 * 868 * A practical limit here might be # of sg hunks that fit into 869 * a single IOC request frame; 12 or 8 (see below), so: 870 * For FC9xx: 12 x 128kB == 1.5 mB (max) 871 * For C1030: 8 x 128kB == 1 mB (max) 872 * We could support chaining, but things get ugly(ier:) 873 * 874 * Set the sge_offset to the start of the sgl (bytes). 875 */ 876 sgdir = 0x04000000; /* IOC will READ from sys mem */ 877 sge_offset = sizeof(MPIHeader_t) + sizeof(FWDownloadTCSGE_t); 878 if ((sgl = kbuf_alloc_2_sgl(fwlen, sgdir, sge_offset, 879 &numfrags, &buflist, &sgl_dma, iocp)) == NULL) 880 return -ENOMEM; 881 882 /* 883 * We should only need SGL with 2 simple_32bit entries (up to 256 kB) 884 * for FC9xx f/w image, but calculate max number of sge hunks 885 * we can fit into a request frame, and limit ourselves to that. 886 * (currently no chain support) 887 * maxfrags = (Request Size - FWdownload Size ) / Size of 32 bit SGE 888 * Request maxfrags 889 * 128 12 890 * 96 8 891 * 64 4 892 */ 893 maxfrags = (iocp->req_sz - sizeof(MPIHeader_t) - 894 sizeof(FWDownloadTCSGE_t)) 895 / iocp->SGE_size; 896 if (numfrags > maxfrags) { 897 ret = -EMLINK; 898 goto fwdl_out; 899 } 900 901 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "DbG: sgl buffer = %p, sgfrags = %d\n", 902 iocp->name, sgl, numfrags)); 903 904 /* 905 * Parse SG list, copying sgl itself, 906 * plus f/w image hunks from user space as we go... 907 */ 908 ret = -EFAULT; 909 sgIn = sgl; 910 bl = buflist; 911 for (i=0; i < numfrags; i++) { 912 913 /* Get the SGE type: 0 - TCSGE, 3 - Chain, 1 - Simple SGE 914 * Skip everything but Simple. If simple, copy from 915 * user space into kernel space. 916 * Note: we should not have anything but Simple as 917 * Chain SGE are illegal. 918 */ 919 nib = (sgIn->FlagsLength & 0x30000000) >> 28; 920 if (nib == 0 || nib == 3) { 921 ; 922 } else if (sgIn->Address) { 923 iocp->add_sge(sgOut, sgIn->FlagsLength, sgIn->Address); 924 n++; 925 if (copy_from_user(bl->kptr, ufwbuf+fw_bytes_copied, bl->len)) { 926 printk(MYIOC_s_ERR_FMT "%s@%d::_ioctl_fwdl - " 927 "Unable to copy f/w buffer hunk#%d @ %p\n", 928 iocp->name, __FILE__, __LINE__, n, ufwbuf); 929 goto fwdl_out; 930 } 931 fw_bytes_copied += bl->len; 932 } 933 sgIn++; 934 bl++; 935 sgOut += iocp->SGE_size; 936 } 937 938 DBG_DUMP_FW_DOWNLOAD(iocp, (u32 *)mf, numfrags); 939 940 /* 941 * Finally, perform firmware download. 942 */ 943 ReplyMsg = NULL; 944 SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, dlmsg->MsgContext); 945 INITIALIZE_MGMT_STATUS(iocp->ioctl_cmds.status) 946 mpt_put_msg_frame(mptctl_id, iocp, mf); 947 948 /* Now wait for the command to complete */ 949 retry_wait: 950 timeleft = wait_for_completion_timeout(&iocp->ioctl_cmds.done, HZ*60); 951 if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 952 ret = -ETIME; 953 printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__); 954 if (iocp->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { 955 mpt_free_msg_frame(iocp, mf); 956 goto fwdl_out; 957 } 958 if (!timeleft) { 959 printk(MYIOC_s_WARN_FMT 960 "FW download timeout, doorbell=0x%08x\n", 961 iocp->name, mpt_GetIocState(iocp, 0)); 962 mptctl_timeout_expired(iocp, mf); 963 } else 964 goto retry_wait; 965 goto fwdl_out; 966 } 967 968 if (!(iocp->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { 969 printk(MYIOC_s_WARN_FMT "%s: failed\n", iocp->name, __func__); 970 mpt_free_msg_frame(iocp, mf); 971 ret = -ENODATA; 972 goto fwdl_out; 973 } 974 975 if (sgl) 976 kfree_sgl(sgl, sgl_dma, buflist, iocp); 977 978 ReplyMsg = (pFWDownloadReply_t)iocp->ioctl_cmds.reply; 979 iocstat = le16_to_cpu(ReplyMsg->IOCStatus) & MPI_IOCSTATUS_MASK; 980 if (iocstat == MPI_IOCSTATUS_SUCCESS) { 981 printk(MYIOC_s_INFO_FMT "F/W update successful!\n", iocp->name); 982 return 0; 983 } else if (iocstat == MPI_IOCSTATUS_INVALID_FUNCTION) { 984 printk(MYIOC_s_WARN_FMT "Hmmm... F/W download not supported!?!\n", 985 iocp->name); 986 printk(MYIOC_s_WARN_FMT "(time to go bang on somebodies door)\n", 987 iocp->name); 988 return -EBADRQC; 989 } else if (iocstat == MPI_IOCSTATUS_BUSY) { 990 printk(MYIOC_s_WARN_FMT "IOC_BUSY!\n", iocp->name); 991 printk(MYIOC_s_WARN_FMT "(try again later?)\n", iocp->name); 992 return -EBUSY; 993 } else { 994 printk(MYIOC_s_WARN_FMT "ioctl_fwdl() returned [bad] status = %04xh\n", 995 iocp->name, iocstat); 996 printk(MYIOC_s_WARN_FMT "(bad VooDoo)\n", iocp->name); 997 return -ENOMSG; 998 } 999 return 0; 1000 1001 fwdl_out: 1002 1003 CLEAR_MGMT_STATUS(iocp->ioctl_cmds.status); 1004 SET_MGMT_MSG_CONTEXT(iocp->ioctl_cmds.msg_context, 0); 1005 kfree_sgl(sgl, sgl_dma, buflist, iocp); 1006 return ret; 1007 } 1008 1009 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1010 /* 1011 * SGE Allocation routine 1012 * 1013 * Inputs: bytes - number of bytes to be transferred 1014 * sgdir - data direction 1015 * sge_offset - offset (in bytes) from the start of the request 1016 * frame to the first SGE 1017 * ioc - pointer to the mptadapter 1018 * Outputs: frags - number of scatter gather elements 1019 * blp - point to the buflist pointer 1020 * sglbuf_dma - pointer to the (dma) sgl 1021 * Returns: Null if failes 1022 * pointer to the (virtual) sgl if successful. 1023 */ 1024 static MptSge_t * 1025 kbuf_alloc_2_sgl(int bytes, u32 sgdir, int sge_offset, int *frags, 1026 struct buflist **blp, dma_addr_t *sglbuf_dma, MPT_ADAPTER *ioc) 1027 { 1028 MptSge_t *sglbuf = NULL; /* pointer to array of SGE */ 1029 /* and chain buffers */ 1030 struct buflist *buflist = NULL; /* kernel routine */ 1031 MptSge_t *sgl; 1032 int numfrags = 0; 1033 int fragcnt = 0; 1034 int alloc_sz = min(bytes,MAX_KMALLOC_SZ); // avoid kernel warning msg! 1035 int bytes_allocd = 0; 1036 int this_alloc; 1037 dma_addr_t pa; // phys addr 1038 int i, buflist_ent; 1039 int sg_spill = MAX_FRAGS_SPILL1; 1040 int dir; 1041 /* initialization */ 1042 *frags = 0; 1043 *blp = NULL; 1044 1045 /* Allocate and initialize an array of kernel 1046 * structures for the SG elements. 1047 */ 1048 i = MAX_SGL_BYTES / 8; 1049 buflist = kzalloc(i, GFP_USER); 1050 if (!buflist) 1051 return NULL; 1052 buflist_ent = 0; 1053 1054 /* Allocate a single block of memory to store the sg elements and 1055 * the chain buffers. The calling routine is responsible for 1056 * copying the data in this array into the correct place in the 1057 * request and chain buffers. 1058 */ 1059 sglbuf = pci_alloc_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf_dma); 1060 if (sglbuf == NULL) 1061 goto free_and_fail; 1062 1063 if (sgdir & 0x04000000) 1064 dir = PCI_DMA_TODEVICE; 1065 else 1066 dir = PCI_DMA_FROMDEVICE; 1067 1068 /* At start: 1069 * sgl = sglbuf = point to beginning of sg buffer 1070 * buflist_ent = 0 = first kernel structure 1071 * sg_spill = number of SGE that can be written before the first 1072 * chain element. 1073 * 1074 */ 1075 sgl = sglbuf; 1076 sg_spill = ((ioc->req_sz - sge_offset)/ioc->SGE_size) - 1; 1077 while (bytes_allocd < bytes) { 1078 this_alloc = min(alloc_sz, bytes-bytes_allocd); 1079 buflist[buflist_ent].len = this_alloc; 1080 buflist[buflist_ent].kptr = pci_alloc_consistent(ioc->pcidev, 1081 this_alloc, 1082 &pa); 1083 if (buflist[buflist_ent].kptr == NULL) { 1084 alloc_sz = alloc_sz / 2; 1085 if (alloc_sz == 0) { 1086 printk(MYIOC_s_WARN_FMT "-SG: No can do - " 1087 "not enough memory! :-(\n", ioc->name); 1088 printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n", 1089 ioc->name, numfrags); 1090 goto free_and_fail; 1091 } 1092 continue; 1093 } else { 1094 dma_addr_t dma_addr; 1095 1096 bytes_allocd += this_alloc; 1097 sgl->FlagsLength = (0x10000000|sgdir|this_alloc); 1098 dma_addr = pci_map_single(ioc->pcidev, 1099 buflist[buflist_ent].kptr, this_alloc, dir); 1100 sgl->Address = dma_addr; 1101 1102 fragcnt++; 1103 numfrags++; 1104 sgl++; 1105 buflist_ent++; 1106 } 1107 1108 if (bytes_allocd >= bytes) 1109 break; 1110 1111 /* Need to chain? */ 1112 if (fragcnt == sg_spill) { 1113 printk(MYIOC_s_WARN_FMT 1114 "-SG: No can do - " "Chain required! :-(\n", ioc->name); 1115 printk(MYIOC_s_WARN_FMT "(freeing %d frags)\n", ioc->name, numfrags); 1116 goto free_and_fail; 1117 } 1118 1119 /* overflow check... */ 1120 if (numfrags*8 > MAX_SGL_BYTES){ 1121 /* GRRRRR... */ 1122 printk(MYIOC_s_WARN_FMT "-SG: No can do - " 1123 "too many SG frags! :-(\n", ioc->name); 1124 printk(MYIOC_s_WARN_FMT "-SG: (freeing %d frags)\n", 1125 ioc->name, numfrags); 1126 goto free_and_fail; 1127 } 1128 } 1129 1130 /* Last sge fixup: set LE+eol+eob bits */ 1131 sgl[-1].FlagsLength |= 0xC1000000; 1132 1133 *frags = numfrags; 1134 *blp = buflist; 1135 1136 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - " 1137 "%d SG frags generated!\n", ioc->name, numfrags)); 1138 1139 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: kbuf_alloc_2_sgl() - " 1140 "last (big) alloc_sz=%d\n", ioc->name, alloc_sz)); 1141 1142 return sglbuf; 1143 1144 free_and_fail: 1145 if (sglbuf != NULL) { 1146 for (i = 0; i < numfrags; i++) { 1147 dma_addr_t dma_addr; 1148 u8 *kptr; 1149 int len; 1150 1151 if ((sglbuf[i].FlagsLength >> 24) == 0x30) 1152 continue; 1153 1154 dma_addr = sglbuf[i].Address; 1155 kptr = buflist[i].kptr; 1156 len = buflist[i].len; 1157 1158 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); 1159 } 1160 pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sglbuf, *sglbuf_dma); 1161 } 1162 kfree(buflist); 1163 return NULL; 1164 } 1165 1166 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1167 /* 1168 * Routine to free the SGL elements. 1169 */ 1170 static void 1171 kfree_sgl(MptSge_t *sgl, dma_addr_t sgl_dma, struct buflist *buflist, MPT_ADAPTER *ioc) 1172 { 1173 MptSge_t *sg = sgl; 1174 struct buflist *bl = buflist; 1175 u32 nib; 1176 int dir; 1177 int n = 0; 1178 1179 if (sg->FlagsLength & 0x04000000) 1180 dir = PCI_DMA_TODEVICE; 1181 else 1182 dir = PCI_DMA_FROMDEVICE; 1183 1184 nib = (sg->FlagsLength & 0xF0000000) >> 28; 1185 while (! (nib & 0x4)) { /* eob */ 1186 /* skip ignore/chain. */ 1187 if (nib == 0 || nib == 3) { 1188 ; 1189 } else if (sg->Address) { 1190 dma_addr_t dma_addr; 1191 void *kptr; 1192 int len; 1193 1194 dma_addr = sg->Address; 1195 kptr = bl->kptr; 1196 len = bl->len; 1197 pci_unmap_single(ioc->pcidev, dma_addr, len, dir); 1198 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); 1199 n++; 1200 } 1201 sg++; 1202 bl++; 1203 nib = (le32_to_cpu(sg->FlagsLength) & 0xF0000000) >> 28; 1204 } 1205 1206 /* we're at eob! */ 1207 if (sg->Address) { 1208 dma_addr_t dma_addr; 1209 void *kptr; 1210 int len; 1211 1212 dma_addr = sg->Address; 1213 kptr = bl->kptr; 1214 len = bl->len; 1215 pci_unmap_single(ioc->pcidev, dma_addr, len, dir); 1216 pci_free_consistent(ioc->pcidev, len, kptr, dma_addr); 1217 n++; 1218 } 1219 1220 pci_free_consistent(ioc->pcidev, MAX_SGL_BYTES, sgl, sgl_dma); 1221 kfree(buflist); 1222 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "-SG: Free'd 1 SGL buf + %d kbufs!\n", 1223 ioc->name, n)); 1224 } 1225 1226 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1227 /* 1228 * mptctl_getiocinfo - Query the host adapter for IOC information. 1229 * @arg: User space argument 1230 * 1231 * Outputs: None. 1232 * Return: 0 if successful 1233 * -EFAULT if data unavailable 1234 * -ENODEV if no such device/adapter 1235 */ 1236 static int 1237 mptctl_getiocinfo (unsigned long arg, unsigned int data_size) 1238 { 1239 struct mpt_ioctl_iocinfo __user *uarg = (void __user *) arg; 1240 struct mpt_ioctl_iocinfo *karg; 1241 MPT_ADAPTER *ioc; 1242 struct pci_dev *pdev; 1243 int iocnum; 1244 unsigned int port; 1245 int cim_rev; 1246 struct scsi_device *sdev; 1247 VirtDevice *vdevice; 1248 1249 /* Add of PCI INFO results in unaligned access for 1250 * IA64 and Sparc. Reset long to int. Return no PCI 1251 * data for obsolete format. 1252 */ 1253 if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev0)) 1254 cim_rev = 0; 1255 else if (data_size == sizeof(struct mpt_ioctl_iocinfo_rev1)) 1256 cim_rev = 1; 1257 else if (data_size == sizeof(struct mpt_ioctl_iocinfo)) 1258 cim_rev = 2; 1259 else if (data_size == (sizeof(struct mpt_ioctl_iocinfo_rev0)+12)) 1260 cim_rev = 0; /* obsolete */ 1261 else 1262 return -EFAULT; 1263 1264 karg = memdup_user(uarg, data_size); 1265 if (IS_ERR(karg)) { 1266 printk(KERN_ERR MYNAM "%s@%d::mpt_ioctl_iocinfo() - memdup_user returned error [%ld]\n", 1267 __FILE__, __LINE__, PTR_ERR(karg)); 1268 return PTR_ERR(karg); 1269 } 1270 1271 if (((iocnum = mpt_verify_adapter(karg->hdr.iocnum, &ioc)) < 0) || 1272 (ioc == NULL)) { 1273 printk(KERN_DEBUG MYNAM "%s::mptctl_getiocinfo() @%d - ioc%d not found!\n", 1274 __FILE__, __LINE__, iocnum); 1275 kfree(karg); 1276 return -ENODEV; 1277 } 1278 1279 /* Verify the data transfer size is correct. */ 1280 if (karg->hdr.maxDataSize != data_size) { 1281 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - " 1282 "Structure size mismatch. Command not completed.\n", 1283 ioc->name, __FILE__, __LINE__); 1284 kfree(karg); 1285 return -EFAULT; 1286 } 1287 1288 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_getiocinfo called.\n", 1289 ioc->name)); 1290 1291 /* Fill in the data and return the structure to the calling 1292 * program 1293 */ 1294 if (ioc->bus_type == SAS) 1295 karg->adapterType = MPT_IOCTL_INTERFACE_SAS; 1296 else if (ioc->bus_type == FC) 1297 karg->adapterType = MPT_IOCTL_INTERFACE_FC; 1298 else 1299 karg->adapterType = MPT_IOCTL_INTERFACE_SCSI; 1300 1301 if (karg->hdr.port > 1) { 1302 kfree(karg); 1303 return -EINVAL; 1304 } 1305 port = karg->hdr.port; 1306 1307 karg->port = port; 1308 pdev = (struct pci_dev *) ioc->pcidev; 1309 1310 karg->pciId = pdev->device; 1311 karg->hwRev = pdev->revision; 1312 karg->subSystemDevice = pdev->subsystem_device; 1313 karg->subSystemVendor = pdev->subsystem_vendor; 1314 1315 if (cim_rev == 1) { 1316 /* Get the PCI bus, device, and function numbers for the IOC 1317 */ 1318 karg->pciInfo.u.bits.busNumber = pdev->bus->number; 1319 karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn ); 1320 karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn ); 1321 } else if (cim_rev == 2) { 1322 /* Get the PCI bus, device, function and segment ID numbers 1323 for the IOC */ 1324 karg->pciInfo.u.bits.busNumber = pdev->bus->number; 1325 karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn ); 1326 karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn ); 1327 karg->pciInfo.segmentID = pci_domain_nr(pdev->bus); 1328 } 1329 1330 /* Get number of devices 1331 */ 1332 karg->numDevices = 0; 1333 if (ioc->sh) { 1334 shost_for_each_device(sdev, ioc->sh) { 1335 vdevice = sdev->hostdata; 1336 if (vdevice == NULL || vdevice->vtarget == NULL) 1337 continue; 1338 if (vdevice->vtarget->tflags & 1339 MPT_TARGET_FLAGS_RAID_COMPONENT) 1340 continue; 1341 karg->numDevices++; 1342 } 1343 } 1344 1345 /* Set the BIOS and FW Version 1346 */ 1347 karg->FWVersion = ioc->facts.FWVersion.Word; 1348 karg->BIOSVersion = ioc->biosVersion; 1349 1350 /* Set the Version Strings. 1351 */ 1352 strncpy (karg->driverVersion, MPT_LINUX_PACKAGE_NAME, MPT_IOCTL_VERSION_LENGTH); 1353 karg->driverVersion[MPT_IOCTL_VERSION_LENGTH-1]='\0'; 1354 1355 karg->busChangeEvent = 0; 1356 karg->hostId = ioc->pfacts[port].PortSCSIID; 1357 karg->rsvd[0] = karg->rsvd[1] = 0; 1358 1359 /* Copy the data from kernel memory to user memory 1360 */ 1361 if (copy_to_user((char __user *)arg, karg, data_size)) { 1362 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_getiocinfo - " 1363 "Unable to write out mpt_ioctl_iocinfo struct @ %p\n", 1364 ioc->name, __FILE__, __LINE__, uarg); 1365 kfree(karg); 1366 return -EFAULT; 1367 } 1368 1369 kfree(karg); 1370 return 0; 1371 } 1372 1373 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1374 /* 1375 * mptctl_gettargetinfo - Query the host adapter for target information. 1376 * @arg: User space argument 1377 * 1378 * Outputs: None. 1379 * Return: 0 if successful 1380 * -EFAULT if data unavailable 1381 * -ENODEV if no such device/adapter 1382 */ 1383 static int 1384 mptctl_gettargetinfo (unsigned long arg) 1385 { 1386 struct mpt_ioctl_targetinfo __user *uarg = (void __user *) arg; 1387 struct mpt_ioctl_targetinfo karg; 1388 MPT_ADAPTER *ioc; 1389 VirtDevice *vdevice; 1390 char *pmem; 1391 int *pdata; 1392 int iocnum; 1393 int numDevices = 0; 1394 int lun; 1395 int maxWordsLeft; 1396 int numBytes; 1397 u8 port; 1398 struct scsi_device *sdev; 1399 1400 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_targetinfo))) { 1401 printk(KERN_ERR MYNAM "%s@%d::mptctl_gettargetinfo - " 1402 "Unable to read in mpt_ioctl_targetinfo struct @ %p\n", 1403 __FILE__, __LINE__, uarg); 1404 return -EFAULT; 1405 } 1406 1407 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 1408 (ioc == NULL)) { 1409 printk(KERN_DEBUG MYNAM "%s::mptctl_gettargetinfo() @%d - ioc%d not found!\n", 1410 __FILE__, __LINE__, iocnum); 1411 return -ENODEV; 1412 } 1413 1414 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_gettargetinfo called.\n", 1415 ioc->name)); 1416 /* Get the port number and set the maximum number of bytes 1417 * in the returned structure. 1418 * Ignore the port setting. 1419 */ 1420 numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header); 1421 maxWordsLeft = numBytes/sizeof(int); 1422 port = karg.hdr.port; 1423 1424 if (maxWordsLeft <= 0) { 1425 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n", 1426 ioc->name, __FILE__, __LINE__); 1427 return -ENOMEM; 1428 } 1429 1430 /* Fill in the data and return the structure to the calling 1431 * program 1432 */ 1433 1434 /* struct mpt_ioctl_targetinfo does not contain sufficient space 1435 * for the target structures so when the IOCTL is called, there is 1436 * not sufficient stack space for the structure. Allocate memory, 1437 * populate the memory, copy back to the user, then free memory. 1438 * targetInfo format: 1439 * bits 31-24: reserved 1440 * 23-16: LUN 1441 * 15- 8: Bus Number 1442 * 7- 0: Target ID 1443 */ 1444 pmem = kzalloc(numBytes, GFP_KERNEL); 1445 if (!pmem) { 1446 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo() - no memory available!\n", 1447 ioc->name, __FILE__, __LINE__); 1448 return -ENOMEM; 1449 } 1450 pdata = (int *) pmem; 1451 1452 /* Get number of devices 1453 */ 1454 if (ioc->sh){ 1455 shost_for_each_device(sdev, ioc->sh) { 1456 if (!maxWordsLeft) 1457 continue; 1458 vdevice = sdev->hostdata; 1459 if (vdevice == NULL || vdevice->vtarget == NULL) 1460 continue; 1461 if (vdevice->vtarget->tflags & 1462 MPT_TARGET_FLAGS_RAID_COMPONENT) 1463 continue; 1464 lun = (vdevice->vtarget->raidVolume) ? 0x80 : vdevice->lun; 1465 *pdata = (((u8)lun << 16) + (vdevice->vtarget->channel << 8) + 1466 (vdevice->vtarget->id )); 1467 pdata++; 1468 numDevices++; 1469 --maxWordsLeft; 1470 } 1471 } 1472 karg.numDevices = numDevices; 1473 1474 /* Copy part of the data from kernel memory to user memory 1475 */ 1476 if (copy_to_user((char __user *)arg, &karg, 1477 sizeof(struct mpt_ioctl_targetinfo))) { 1478 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - " 1479 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", 1480 ioc->name, __FILE__, __LINE__, uarg); 1481 kfree(pmem); 1482 return -EFAULT; 1483 } 1484 1485 /* Copy the remaining data from kernel memory to user memory 1486 */ 1487 if (copy_to_user(uarg->targetInfo, pmem, numBytes)) { 1488 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_gettargetinfo - " 1489 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", 1490 ioc->name, __FILE__, __LINE__, pdata); 1491 kfree(pmem); 1492 return -EFAULT; 1493 } 1494 1495 kfree(pmem); 1496 1497 return 0; 1498 } 1499 1500 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1501 /* MPT IOCTL Test function. 1502 * 1503 * Outputs: None. 1504 * Return: 0 if successful 1505 * -EFAULT if data unavailable 1506 * -ENODEV if no such device/adapter 1507 */ 1508 static int 1509 mptctl_readtest (unsigned long arg) 1510 { 1511 struct mpt_ioctl_test __user *uarg = (void __user *) arg; 1512 struct mpt_ioctl_test karg; 1513 MPT_ADAPTER *ioc; 1514 int iocnum; 1515 1516 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_test))) { 1517 printk(KERN_ERR MYNAM "%s@%d::mptctl_readtest - " 1518 "Unable to read in mpt_ioctl_test struct @ %p\n", 1519 __FILE__, __LINE__, uarg); 1520 return -EFAULT; 1521 } 1522 1523 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 1524 (ioc == NULL)) { 1525 printk(KERN_DEBUG MYNAM "%s::mptctl_readtest() @%d - ioc%d not found!\n", 1526 __FILE__, __LINE__, iocnum); 1527 return -ENODEV; 1528 } 1529 1530 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_readtest called.\n", 1531 ioc->name)); 1532 /* Fill in the data and return the structure to the calling 1533 * program 1534 */ 1535 1536 #ifdef MFCNT 1537 karg.chip_type = ioc->mfcnt; 1538 #else 1539 karg.chip_type = ioc->pcidev->device; 1540 #endif 1541 strncpy (karg.name, ioc->name, MPT_MAX_NAME); 1542 karg.name[MPT_MAX_NAME-1]='\0'; 1543 strncpy (karg.product, ioc->prod_name, MPT_PRODUCT_LENGTH); 1544 karg.product[MPT_PRODUCT_LENGTH-1]='\0'; 1545 1546 /* Copy the data from kernel memory to user memory 1547 */ 1548 if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_test))) { 1549 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_readtest - " 1550 "Unable to write out mpt_ioctl_test struct @ %p\n", 1551 ioc->name, __FILE__, __LINE__, uarg); 1552 return -EFAULT; 1553 } 1554 1555 return 0; 1556 } 1557 1558 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1559 /* 1560 * mptctl_eventquery - Query the host adapter for the event types 1561 * that are being logged. 1562 * @arg: User space argument 1563 * 1564 * Outputs: None. 1565 * Return: 0 if successful 1566 * -EFAULT if data unavailable 1567 * -ENODEV if no such device/adapter 1568 */ 1569 static int 1570 mptctl_eventquery (unsigned long arg) 1571 { 1572 struct mpt_ioctl_eventquery __user *uarg = (void __user *) arg; 1573 struct mpt_ioctl_eventquery karg; 1574 MPT_ADAPTER *ioc; 1575 int iocnum; 1576 1577 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventquery))) { 1578 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventquery - " 1579 "Unable to read in mpt_ioctl_eventquery struct @ %p\n", 1580 __FILE__, __LINE__, uarg); 1581 return -EFAULT; 1582 } 1583 1584 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 1585 (ioc == NULL)) { 1586 printk(KERN_DEBUG MYNAM "%s::mptctl_eventquery() @%d - ioc%d not found!\n", 1587 __FILE__, __LINE__, iocnum); 1588 return -ENODEV; 1589 } 1590 1591 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventquery called.\n", 1592 ioc->name)); 1593 karg.eventEntries = MPTCTL_EVENT_LOG_SIZE; 1594 karg.eventTypes = ioc->eventTypes; 1595 1596 /* Copy the data from kernel memory to user memory 1597 */ 1598 if (copy_to_user((char __user *)arg, &karg, sizeof(struct mpt_ioctl_eventquery))) { 1599 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventquery - " 1600 "Unable to write out mpt_ioctl_eventquery struct @ %p\n", 1601 ioc->name, __FILE__, __LINE__, uarg); 1602 return -EFAULT; 1603 } 1604 return 0; 1605 } 1606 1607 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1608 static int 1609 mptctl_eventenable (unsigned long arg) 1610 { 1611 struct mpt_ioctl_eventenable __user *uarg = (void __user *) arg; 1612 struct mpt_ioctl_eventenable karg; 1613 MPT_ADAPTER *ioc; 1614 int iocnum; 1615 1616 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventenable))) { 1617 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventenable - " 1618 "Unable to read in mpt_ioctl_eventenable struct @ %p\n", 1619 __FILE__, __LINE__, uarg); 1620 return -EFAULT; 1621 } 1622 1623 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 1624 (ioc == NULL)) { 1625 printk(KERN_DEBUG MYNAM "%s::mptctl_eventenable() @%d - ioc%d not found!\n", 1626 __FILE__, __LINE__, iocnum); 1627 return -ENODEV; 1628 } 1629 1630 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventenable called.\n", 1631 ioc->name)); 1632 if (ioc->events == NULL) { 1633 /* Have not yet allocated memory - do so now. 1634 */ 1635 int sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS); 1636 ioc->events = kzalloc(sz, GFP_KERNEL); 1637 if (!ioc->events) { 1638 printk(MYIOC_s_ERR_FMT 1639 ": ERROR - Insufficient memory to add adapter!\n", 1640 ioc->name); 1641 return -ENOMEM; 1642 } 1643 ioc->alloc_total += sz; 1644 1645 ioc->eventContext = 0; 1646 } 1647 1648 /* Update the IOC event logging flag. 1649 */ 1650 ioc->eventTypes = karg.eventTypes; 1651 1652 return 0; 1653 } 1654 1655 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1656 static int 1657 mptctl_eventreport (unsigned long arg) 1658 { 1659 struct mpt_ioctl_eventreport __user *uarg = (void __user *) arg; 1660 struct mpt_ioctl_eventreport karg; 1661 MPT_ADAPTER *ioc; 1662 int iocnum; 1663 int numBytes, maxEvents, max; 1664 1665 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_eventreport))) { 1666 printk(KERN_ERR MYNAM "%s@%d::mptctl_eventreport - " 1667 "Unable to read in mpt_ioctl_eventreport struct @ %p\n", 1668 __FILE__, __LINE__, uarg); 1669 return -EFAULT; 1670 } 1671 1672 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 1673 (ioc == NULL)) { 1674 printk(KERN_DEBUG MYNAM "%s::mptctl_eventreport() @%d - ioc%d not found!\n", 1675 __FILE__, __LINE__, iocnum); 1676 return -ENODEV; 1677 } 1678 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_eventreport called.\n", 1679 ioc->name)); 1680 1681 numBytes = karg.hdr.maxDataSize - sizeof(mpt_ioctl_header); 1682 maxEvents = numBytes/sizeof(MPT_IOCTL_EVENTS); 1683 1684 1685 max = MPTCTL_EVENT_LOG_SIZE < maxEvents ? MPTCTL_EVENT_LOG_SIZE : maxEvents; 1686 1687 /* If fewer than 1 event is requested, there must have 1688 * been some type of error. 1689 */ 1690 if ((max < 1) || !ioc->events) 1691 return -ENODATA; 1692 1693 /* reset this flag so SIGIO can restart */ 1694 ioc->aen_event_read_flag=0; 1695 1696 /* Copy the data from kernel memory to user memory 1697 */ 1698 numBytes = max * sizeof(MPT_IOCTL_EVENTS); 1699 if (copy_to_user(uarg->eventData, ioc->events, numBytes)) { 1700 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_eventreport - " 1701 "Unable to write out mpt_ioctl_eventreport struct @ %p\n", 1702 ioc->name, __FILE__, __LINE__, ioc->events); 1703 return -EFAULT; 1704 } 1705 1706 return 0; 1707 } 1708 1709 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1710 static int 1711 mptctl_replace_fw (unsigned long arg) 1712 { 1713 struct mpt_ioctl_replace_fw __user *uarg = (void __user *) arg; 1714 struct mpt_ioctl_replace_fw karg; 1715 MPT_ADAPTER *ioc; 1716 int iocnum; 1717 int newFwSize; 1718 1719 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_replace_fw))) { 1720 printk(KERN_ERR MYNAM "%s@%d::mptctl_replace_fw - " 1721 "Unable to read in mpt_ioctl_replace_fw struct @ %p\n", 1722 __FILE__, __LINE__, uarg); 1723 return -EFAULT; 1724 } 1725 1726 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 1727 (ioc == NULL)) { 1728 printk(KERN_DEBUG MYNAM "%s::mptctl_replace_fw() @%d - ioc%d not found!\n", 1729 __FILE__, __LINE__, iocnum); 1730 return -ENODEV; 1731 } 1732 1733 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_replace_fw called.\n", 1734 ioc->name)); 1735 /* If caching FW, Free the old FW image 1736 */ 1737 if (ioc->cached_fw == NULL) 1738 return 0; 1739 1740 mpt_free_fw_memory(ioc); 1741 1742 /* Allocate memory for the new FW image 1743 */ 1744 newFwSize = ALIGN(karg.newImageSize, 4); 1745 1746 mpt_alloc_fw_memory(ioc, newFwSize); 1747 if (ioc->cached_fw == NULL) 1748 return -ENOMEM; 1749 1750 /* Copy the data from user memory to kernel space 1751 */ 1752 if (copy_from_user(ioc->cached_fw, uarg->newImage, newFwSize)) { 1753 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_replace_fw - " 1754 "Unable to read in mpt_ioctl_replace_fw image " 1755 "@ %p\n", ioc->name, __FILE__, __LINE__, uarg); 1756 mpt_free_fw_memory(ioc); 1757 return -EFAULT; 1758 } 1759 1760 /* Update IOCFactsReply 1761 */ 1762 ioc->facts.FWImageSize = newFwSize; 1763 return 0; 1764 } 1765 1766 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1767 /* MPT IOCTL MPTCOMMAND function. 1768 * Cast the arg into the mpt_ioctl_mpt_command structure. 1769 * 1770 * Outputs: None. 1771 * Return: 0 if successful 1772 * -EBUSY if previous command timeout and IOC reset is not complete. 1773 * -EFAULT if data unavailable 1774 * -ENODEV if no such device/adapter 1775 * -ETIME if timer expires 1776 * -ENOMEM if memory allocation error 1777 */ 1778 static int 1779 mptctl_mpt_command (unsigned long arg) 1780 { 1781 struct mpt_ioctl_command __user *uarg = (void __user *) arg; 1782 struct mpt_ioctl_command karg; 1783 MPT_ADAPTER *ioc; 1784 int iocnum; 1785 int rc; 1786 1787 1788 if (copy_from_user(&karg, uarg, sizeof(struct mpt_ioctl_command))) { 1789 printk(KERN_ERR MYNAM "%s@%d::mptctl_mpt_command - " 1790 "Unable to read in mpt_ioctl_command struct @ %p\n", 1791 __FILE__, __LINE__, uarg); 1792 return -EFAULT; 1793 } 1794 1795 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 1796 (ioc == NULL)) { 1797 printk(KERN_DEBUG MYNAM "%s::mptctl_mpt_command() @%d - ioc%d not found!\n", 1798 __FILE__, __LINE__, iocnum); 1799 return -ENODEV; 1800 } 1801 1802 rc = mptctl_do_mpt_command (karg, &uarg->MF); 1803 1804 return rc; 1805 } 1806 1807 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 1808 /* Worker routine for the IOCTL MPTCOMMAND and MPTCOMMAND32 (sparc) commands. 1809 * 1810 * Outputs: None. 1811 * Return: 0 if successful 1812 * -EBUSY if previous command timeout and IOC reset is not complete. 1813 * -EFAULT if data unavailable 1814 * -ENODEV if no such device/adapter 1815 * -ETIME if timer expires 1816 * -ENOMEM if memory allocation error 1817 * -EPERM if SCSI I/O and target is untagged 1818 */ 1819 static int 1820 mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr) 1821 { 1822 MPT_ADAPTER *ioc; 1823 MPT_FRAME_HDR *mf = NULL; 1824 MPIHeader_t *hdr; 1825 char *psge; 1826 struct buflist bufIn; /* data In buffer */ 1827 struct buflist bufOut; /* data Out buffer */ 1828 dma_addr_t dma_addr_in; 1829 dma_addr_t dma_addr_out; 1830 int sgSize = 0; /* Num SG elements */ 1831 int iocnum, flagsLength; 1832 int sz, rc = 0; 1833 int msgContext; 1834 u16 req_idx; 1835 ulong timeout; 1836 unsigned long timeleft; 1837 struct scsi_device *sdev; 1838 unsigned long flags; 1839 u8 function; 1840 1841 /* bufIn and bufOut are used for user to kernel space transfers 1842 */ 1843 bufIn.kptr = bufOut.kptr = NULL; 1844 bufIn.len = bufOut.len = 0; 1845 1846 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 1847 (ioc == NULL)) { 1848 printk(KERN_DEBUG MYNAM "%s::mptctl_do_mpt_command() @%d - ioc%d not found!\n", 1849 __FILE__, __LINE__, iocnum); 1850 return -ENODEV; 1851 } 1852 1853 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 1854 if (ioc->ioc_reset_in_progress) { 1855 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 1856 printk(KERN_ERR MYNAM "%s@%d::mptctl_do_mpt_command - " 1857 "Busy with diagnostic reset\n", __FILE__, __LINE__); 1858 return -EBUSY; 1859 } 1860 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 1861 1862 /* Verify that the final request frame will not be too large. 1863 */ 1864 sz = karg.dataSgeOffset * 4; 1865 if (karg.dataInSize > 0) 1866 sz += ioc->SGE_size; 1867 if (karg.dataOutSize > 0) 1868 sz += ioc->SGE_size; 1869 1870 if (sz > ioc->req_sz) { 1871 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 1872 "Request frame too large (%d) maximum (%d)\n", 1873 ioc->name, __FILE__, __LINE__, sz, ioc->req_sz); 1874 return -EFAULT; 1875 } 1876 1877 /* Get a free request frame and save the message context. 1878 */ 1879 if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) 1880 return -EAGAIN; 1881 1882 hdr = (MPIHeader_t *) mf; 1883 msgContext = le32_to_cpu(hdr->MsgContext); 1884 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 1885 1886 /* Copy the request frame 1887 * Reset the saved message context. 1888 * Request frame in user space 1889 */ 1890 if (copy_from_user(mf, mfPtr, karg.dataSgeOffset * 4)) { 1891 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 1892 "Unable to read MF from mpt_ioctl_command struct @ %p\n", 1893 ioc->name, __FILE__, __LINE__, mfPtr); 1894 function = -1; 1895 rc = -EFAULT; 1896 goto done_free_mem; 1897 } 1898 hdr->MsgContext = cpu_to_le32(msgContext); 1899 function = hdr->Function; 1900 1901 1902 /* Verify that this request is allowed. 1903 */ 1904 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sending mpi function (0x%02X), req=%p\n", 1905 ioc->name, hdr->Function, mf)); 1906 1907 switch (function) { 1908 case MPI_FUNCTION_IOC_FACTS: 1909 case MPI_FUNCTION_PORT_FACTS: 1910 karg.dataOutSize = karg.dataInSize = 0; 1911 break; 1912 1913 case MPI_FUNCTION_CONFIG: 1914 { 1915 Config_t *config_frame; 1916 config_frame = (Config_t *)mf; 1917 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\ttype=0x%02x ext_type=0x%02x " 1918 "number=0x%02x action=0x%02x\n", ioc->name, 1919 config_frame->Header.PageType, 1920 config_frame->ExtPageType, 1921 config_frame->Header.PageNumber, 1922 config_frame->Action)); 1923 break; 1924 } 1925 1926 case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND: 1927 case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND: 1928 case MPI_FUNCTION_FW_UPLOAD: 1929 case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: 1930 case MPI_FUNCTION_FW_DOWNLOAD: 1931 case MPI_FUNCTION_FC_PRIMITIVE_SEND: 1932 case MPI_FUNCTION_TOOLBOX: 1933 case MPI_FUNCTION_SAS_IO_UNIT_CONTROL: 1934 break; 1935 1936 case MPI_FUNCTION_SCSI_IO_REQUEST: 1937 if (ioc->sh) { 1938 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; 1939 int qtag = MPI_SCSIIO_CONTROL_UNTAGGED; 1940 int scsidir = 0; 1941 int dataSize; 1942 u32 id; 1943 1944 id = (ioc->devices_per_bus == 0) ? 256 : ioc->devices_per_bus; 1945 if (pScsiReq->TargetID > id) { 1946 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 1947 "Target ID out of bounds. \n", 1948 ioc->name, __FILE__, __LINE__); 1949 rc = -ENODEV; 1950 goto done_free_mem; 1951 } 1952 1953 if (pScsiReq->Bus >= ioc->number_of_buses) { 1954 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 1955 "Target Bus out of bounds. \n", 1956 ioc->name, __FILE__, __LINE__); 1957 rc = -ENODEV; 1958 goto done_free_mem; 1959 } 1960 1961 pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH; 1962 pScsiReq->MsgFlags |= mpt_msg_flags(ioc); 1963 1964 1965 /* verify that app has not requested 1966 * more sense data than driver 1967 * can provide, if so, reset this parameter 1968 * set the sense buffer pointer low address 1969 * update the control field to specify Q type 1970 */ 1971 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) 1972 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 1973 else 1974 pScsiReq->SenseBufferLength = karg.maxSenseBytes; 1975 1976 pScsiReq->SenseBufferLowAddr = 1977 cpu_to_le32(ioc->sense_buf_low_dma 1978 + (req_idx * MPT_SENSE_BUFFER_ALLOC)); 1979 1980 shost_for_each_device(sdev, ioc->sh) { 1981 struct scsi_target *starget = scsi_target(sdev); 1982 VirtTarget *vtarget = starget->hostdata; 1983 1984 if (vtarget == NULL) 1985 continue; 1986 1987 if ((pScsiReq->TargetID == vtarget->id) && 1988 (pScsiReq->Bus == vtarget->channel) && 1989 (vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) 1990 qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; 1991 } 1992 1993 /* Have the IOCTL driver set the direction based 1994 * on the dataOutSize (ordering issue with Sparc). 1995 */ 1996 if (karg.dataOutSize > 0) { 1997 scsidir = MPI_SCSIIO_CONTROL_WRITE; 1998 dataSize = karg.dataOutSize; 1999 } else { 2000 scsidir = MPI_SCSIIO_CONTROL_READ; 2001 dataSize = karg.dataInSize; 2002 } 2003 2004 pScsiReq->Control = cpu_to_le32(scsidir | qtag); 2005 pScsiReq->DataLength = cpu_to_le32(dataSize); 2006 2007 2008 } else { 2009 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2010 "SCSI driver is not loaded. \n", 2011 ioc->name, __FILE__, __LINE__); 2012 rc = -EFAULT; 2013 goto done_free_mem; 2014 } 2015 break; 2016 2017 case MPI_FUNCTION_SMP_PASSTHROUGH: 2018 /* Check mf->PassthruFlags to determine if 2019 * transfer is ImmediateMode or not. 2020 * Immediate mode returns data in the ReplyFrame. 2021 * Else, we are sending request and response data 2022 * in two SGLs at the end of the mf. 2023 */ 2024 break; 2025 2026 case MPI_FUNCTION_SATA_PASSTHROUGH: 2027 if (!ioc->sh) { 2028 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2029 "SCSI driver is not loaded. \n", 2030 ioc->name, __FILE__, __LINE__); 2031 rc = -EFAULT; 2032 goto done_free_mem; 2033 } 2034 break; 2035 2036 case MPI_FUNCTION_RAID_ACTION: 2037 /* Just add a SGE 2038 */ 2039 break; 2040 2041 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 2042 if (ioc->sh) { 2043 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; 2044 int qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; 2045 int scsidir = MPI_SCSIIO_CONTROL_READ; 2046 int dataSize; 2047 2048 pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH; 2049 pScsiReq->MsgFlags |= mpt_msg_flags(ioc); 2050 2051 2052 /* verify that app has not requested 2053 * more sense data than driver 2054 * can provide, if so, reset this parameter 2055 * set the sense buffer pointer low address 2056 * update the control field to specify Q type 2057 */ 2058 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) 2059 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 2060 else 2061 pScsiReq->SenseBufferLength = karg.maxSenseBytes; 2062 2063 pScsiReq->SenseBufferLowAddr = 2064 cpu_to_le32(ioc->sense_buf_low_dma 2065 + (req_idx * MPT_SENSE_BUFFER_ALLOC)); 2066 2067 /* All commands to physical devices are tagged 2068 */ 2069 2070 /* Have the IOCTL driver set the direction based 2071 * on the dataOutSize (ordering issue with Sparc). 2072 */ 2073 if (karg.dataOutSize > 0) { 2074 scsidir = MPI_SCSIIO_CONTROL_WRITE; 2075 dataSize = karg.dataOutSize; 2076 } else { 2077 scsidir = MPI_SCSIIO_CONTROL_READ; 2078 dataSize = karg.dataInSize; 2079 } 2080 2081 pScsiReq->Control = cpu_to_le32(scsidir | qtag); 2082 pScsiReq->DataLength = cpu_to_le32(dataSize); 2083 2084 } else { 2085 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2086 "SCSI driver is not loaded. \n", 2087 ioc->name, __FILE__, __LINE__); 2088 rc = -EFAULT; 2089 goto done_free_mem; 2090 } 2091 break; 2092 2093 case MPI_FUNCTION_SCSI_TASK_MGMT: 2094 { 2095 SCSITaskMgmt_t *pScsiTm; 2096 pScsiTm = (SCSITaskMgmt_t *)mf; 2097 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2098 "\tTaskType=0x%x MsgFlags=0x%x " 2099 "TaskMsgContext=0x%x id=%d channel=%d\n", 2100 ioc->name, pScsiTm->TaskType, le32_to_cpu 2101 (pScsiTm->TaskMsgContext), pScsiTm->MsgFlags, 2102 pScsiTm->TargetID, pScsiTm->Bus)); 2103 break; 2104 } 2105 2106 case MPI_FUNCTION_IOC_INIT: 2107 { 2108 IOCInit_t *pInit = (IOCInit_t *) mf; 2109 u32 high_addr, sense_high; 2110 2111 /* Verify that all entries in the IOC INIT match 2112 * existing setup (and in LE format). 2113 */ 2114 if (sizeof(dma_addr_t) == sizeof(u64)) { 2115 high_addr = cpu_to_le32((u32)((u64)ioc->req_frames_dma >> 32)); 2116 sense_high= cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32)); 2117 } else { 2118 high_addr = 0; 2119 sense_high= 0; 2120 } 2121 2122 if ((pInit->Flags != 0) || (pInit->MaxDevices != ioc->facts.MaxDevices) || 2123 (pInit->MaxBuses != ioc->facts.MaxBuses) || 2124 (pInit->ReplyFrameSize != cpu_to_le16(ioc->reply_sz)) || 2125 (pInit->HostMfaHighAddr != high_addr) || 2126 (pInit->SenseBufferHighAddr != sense_high)) { 2127 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2128 "IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n", 2129 ioc->name, __FILE__, __LINE__); 2130 rc = -EFAULT; 2131 goto done_free_mem; 2132 } 2133 } 2134 break; 2135 default: 2136 /* 2137 * MPI_FUNCTION_PORT_ENABLE 2138 * MPI_FUNCTION_TARGET_CMD_BUFFER_POST 2139 * MPI_FUNCTION_TARGET_ASSIST 2140 * MPI_FUNCTION_TARGET_STATUS_SEND 2141 * MPI_FUNCTION_TARGET_MODE_ABORT 2142 * MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET 2143 * MPI_FUNCTION_IO_UNIT_RESET 2144 * MPI_FUNCTION_HANDSHAKE 2145 * MPI_FUNCTION_REPLY_FRAME_REMOVAL 2146 * MPI_FUNCTION_EVENT_NOTIFICATION 2147 * (driver handles event notification) 2148 * MPI_FUNCTION_EVENT_ACK 2149 */ 2150 2151 /* What to do with these??? CHECK ME!!! 2152 MPI_FUNCTION_FC_LINK_SRVC_BUF_POST 2153 MPI_FUNCTION_FC_LINK_SRVC_RSP 2154 MPI_FUNCTION_FC_ABORT 2155 MPI_FUNCTION_LAN_SEND 2156 MPI_FUNCTION_LAN_RECEIVE 2157 MPI_FUNCTION_LAN_RESET 2158 */ 2159 2160 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2161 "Illegal request (function 0x%x) \n", 2162 ioc->name, __FILE__, __LINE__, hdr->Function); 2163 rc = -EFAULT; 2164 goto done_free_mem; 2165 } 2166 2167 /* Add the SGL ( at most one data in SGE and one data out SGE ) 2168 * In the case of two SGE's - the data out (write) will always 2169 * preceede the data in (read) SGE. psgList is used to free the 2170 * allocated memory. 2171 */ 2172 psge = (char *) (((int *) mf) + karg.dataSgeOffset); 2173 flagsLength = 0; 2174 2175 if (karg.dataOutSize > 0) 2176 sgSize ++; 2177 2178 if (karg.dataInSize > 0) 2179 sgSize ++; 2180 2181 if (sgSize > 0) { 2182 2183 /* Set up the dataOut memory allocation */ 2184 if (karg.dataOutSize > 0) { 2185 if (karg.dataInSize > 0) { 2186 flagsLength = ( MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2187 MPI_SGE_FLAGS_END_OF_BUFFER | 2188 MPI_SGE_FLAGS_DIRECTION) 2189 << MPI_SGE_FLAGS_SHIFT; 2190 } else { 2191 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE; 2192 } 2193 flagsLength |= karg.dataOutSize; 2194 bufOut.len = karg.dataOutSize; 2195 bufOut.kptr = pci_alloc_consistent( 2196 ioc->pcidev, bufOut.len, &dma_addr_out); 2197 2198 if (bufOut.kptr == NULL) { 2199 rc = -ENOMEM; 2200 goto done_free_mem; 2201 } else { 2202 /* Set up this SGE. 2203 * Copy to MF and to sglbuf 2204 */ 2205 ioc->add_sge(psge, flagsLength, dma_addr_out); 2206 psge += ioc->SGE_size; 2207 2208 /* Copy user data to kernel space. 2209 */ 2210 if (copy_from_user(bufOut.kptr, 2211 karg.dataOutBufPtr, 2212 bufOut.len)) { 2213 printk(MYIOC_s_ERR_FMT 2214 "%s@%d::mptctl_do_mpt_command - Unable " 2215 "to read user data " 2216 "struct @ %p\n", 2217 ioc->name, __FILE__, __LINE__,karg.dataOutBufPtr); 2218 rc = -EFAULT; 2219 goto done_free_mem; 2220 } 2221 } 2222 } 2223 2224 if (karg.dataInSize > 0) { 2225 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ; 2226 flagsLength |= karg.dataInSize; 2227 2228 bufIn.len = karg.dataInSize; 2229 bufIn.kptr = pci_alloc_consistent(ioc->pcidev, 2230 bufIn.len, &dma_addr_in); 2231 2232 if (bufIn.kptr == NULL) { 2233 rc = -ENOMEM; 2234 goto done_free_mem; 2235 } else { 2236 /* Set up this SGE 2237 * Copy to MF and to sglbuf 2238 */ 2239 ioc->add_sge(psge, flagsLength, dma_addr_in); 2240 } 2241 } 2242 } else { 2243 /* Add a NULL SGE 2244 */ 2245 ioc->add_sge(psge, flagsLength, (dma_addr_t) -1); 2246 } 2247 2248 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, hdr->MsgContext); 2249 INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status) 2250 if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) { 2251 2252 mutex_lock(&ioc->taskmgmt_cmds.mutex); 2253 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { 2254 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 2255 goto done_free_mem; 2256 } 2257 2258 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf); 2259 2260 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && 2261 (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) 2262 mpt_put_msg_frame_hi_pri(mptctl_id, ioc, mf); 2263 else { 2264 rc =mpt_send_handshake_request(mptctl_id, ioc, 2265 sizeof(SCSITaskMgmt_t), (u32*)mf, CAN_SLEEP); 2266 if (rc != 0) { 2267 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 2268 "send_handshake FAILED! (ioc %p, mf %p)\n", 2269 ioc->name, ioc, mf)); 2270 mpt_clear_taskmgmt_in_progress_flag(ioc); 2271 rc = -ENODATA; 2272 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 2273 goto done_free_mem; 2274 } 2275 } 2276 2277 } else 2278 mpt_put_msg_frame(mptctl_id, ioc, mf); 2279 2280 /* Now wait for the command to complete */ 2281 timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT; 2282 retry_wait: 2283 timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done, 2284 HZ*timeout); 2285 if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 2286 rc = -ETIME; 2287 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "%s: TIMED OUT!\n", 2288 ioc->name, __func__)); 2289 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { 2290 if (function == MPI_FUNCTION_SCSI_TASK_MGMT) 2291 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 2292 goto done_free_mem; 2293 } 2294 if (!timeleft) { 2295 printk(MYIOC_s_WARN_FMT 2296 "mpt cmd timeout, doorbell=0x%08x" 2297 " function=0x%x\n", 2298 ioc->name, mpt_GetIocState(ioc, 0), function); 2299 if (function == MPI_FUNCTION_SCSI_TASK_MGMT) 2300 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 2301 mptctl_timeout_expired(ioc, mf); 2302 mf = NULL; 2303 } else 2304 goto retry_wait; 2305 goto done_free_mem; 2306 } 2307 2308 if (function == MPI_FUNCTION_SCSI_TASK_MGMT) 2309 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 2310 2311 2312 mf = NULL; 2313 2314 /* If a valid reply frame, copy to the user. 2315 * Offset 2: reply length in U32's 2316 */ 2317 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID) { 2318 if (karg.maxReplyBytes < ioc->reply_sz) { 2319 sz = min(karg.maxReplyBytes, 2320 4*ioc->ioctl_cmds.reply[2]); 2321 } else { 2322 sz = min(ioc->reply_sz, 4*ioc->ioctl_cmds.reply[2]); 2323 } 2324 if (sz > 0) { 2325 if (copy_to_user(karg.replyFrameBufPtr, 2326 ioc->ioctl_cmds.reply, sz)){ 2327 printk(MYIOC_s_ERR_FMT 2328 "%s@%d::mptctl_do_mpt_command - " 2329 "Unable to write out reply frame %p\n", 2330 ioc->name, __FILE__, __LINE__, karg.replyFrameBufPtr); 2331 rc = -ENODATA; 2332 goto done_free_mem; 2333 } 2334 } 2335 } 2336 2337 /* If valid sense data, copy to user. 2338 */ 2339 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_SENSE_VALID) { 2340 sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE); 2341 if (sz > 0) { 2342 if (copy_to_user(karg.senseDataPtr, 2343 ioc->ioctl_cmds.sense, sz)) { 2344 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2345 "Unable to write sense data to user %p\n", 2346 ioc->name, __FILE__, __LINE__, 2347 karg.senseDataPtr); 2348 rc = -ENODATA; 2349 goto done_free_mem; 2350 } 2351 } 2352 } 2353 2354 /* If the overall status is _GOOD and data in, copy data 2355 * to user. 2356 */ 2357 if ((ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD) && 2358 (karg.dataInSize > 0) && (bufIn.kptr)) { 2359 2360 if (copy_to_user(karg.dataInBufPtr, 2361 bufIn.kptr, karg.dataInSize)) { 2362 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2363 "Unable to write data to user %p\n", 2364 ioc->name, __FILE__, __LINE__, 2365 karg.dataInBufPtr); 2366 rc = -ENODATA; 2367 } 2368 } 2369 2370 done_free_mem: 2371 2372 CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status) 2373 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0); 2374 2375 /* Free the allocated memory. 2376 */ 2377 if (bufOut.kptr != NULL) { 2378 pci_free_consistent(ioc->pcidev, 2379 bufOut.len, (void *) bufOut.kptr, dma_addr_out); 2380 } 2381 2382 if (bufIn.kptr != NULL) { 2383 pci_free_consistent(ioc->pcidev, 2384 bufIn.len, (void *) bufIn.kptr, dma_addr_in); 2385 } 2386 2387 /* mf is null if command issued successfully 2388 * otherwise, failure occurred after mf acquired. 2389 */ 2390 if (mf) 2391 mpt_free_msg_frame(ioc, mf); 2392 2393 return rc; 2394 } 2395 2396 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2397 /* Prototype Routine for the HOST INFO command. 2398 * 2399 * Outputs: None. 2400 * Return: 0 if successful 2401 * -EFAULT if data unavailable 2402 * -EBUSY if previous command timeout and IOC reset is not complete. 2403 * -ENODEV if no such device/adapter 2404 * -ETIME if timer expires 2405 * -ENOMEM if memory allocation error 2406 */ 2407 static int 2408 mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size) 2409 { 2410 hp_host_info_t __user *uarg = (void __user *) arg; 2411 MPT_ADAPTER *ioc; 2412 struct pci_dev *pdev; 2413 char *pbuf=NULL; 2414 dma_addr_t buf_dma; 2415 hp_host_info_t karg; 2416 CONFIGPARMS cfg; 2417 ConfigPageHeader_t hdr; 2418 int iocnum; 2419 int rc, cim_rev; 2420 ToolboxIstwiReadWriteRequest_t *IstwiRWRequest; 2421 MPT_FRAME_HDR *mf = NULL; 2422 unsigned long timeleft; 2423 int retval; 2424 u32 msgcontext; 2425 2426 /* Reset long to int. Should affect IA64 and SPARC only 2427 */ 2428 if (data_size == sizeof(hp_host_info_t)) 2429 cim_rev = 1; 2430 else if (data_size == sizeof(hp_host_info_rev0_t)) 2431 cim_rev = 0; /* obsolete */ 2432 else 2433 return -EFAULT; 2434 2435 if (copy_from_user(&karg, uarg, sizeof(hp_host_info_t))) { 2436 printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_host_info - " 2437 "Unable to read in hp_host_info struct @ %p\n", 2438 __FILE__, __LINE__, uarg); 2439 return -EFAULT; 2440 } 2441 2442 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 2443 (ioc == NULL)) { 2444 printk(KERN_DEBUG MYNAM "%s::mptctl_hp_hostinfo() @%d - ioc%d not found!\n", 2445 __FILE__, __LINE__, iocnum); 2446 return -ENODEV; 2447 } 2448 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": mptctl_hp_hostinfo called.\n", 2449 ioc->name)); 2450 2451 /* Fill in the data and return the structure to the calling 2452 * program 2453 */ 2454 pdev = (struct pci_dev *) ioc->pcidev; 2455 2456 karg.vendor = pdev->vendor; 2457 karg.device = pdev->device; 2458 karg.subsystem_id = pdev->subsystem_device; 2459 karg.subsystem_vendor = pdev->subsystem_vendor; 2460 karg.devfn = pdev->devfn; 2461 karg.bus = pdev->bus->number; 2462 2463 /* Save the SCSI host no. if 2464 * SCSI driver loaded 2465 */ 2466 if (ioc->sh != NULL) 2467 karg.host_no = ioc->sh->host_no; 2468 else 2469 karg.host_no = -1; 2470 2471 /* Reformat the fw_version into a string 2472 */ 2473 karg.fw_version[0] = ioc->facts.FWVersion.Struct.Major >= 10 ? 2474 ((ioc->facts.FWVersion.Struct.Major / 10) + '0') : '0'; 2475 karg.fw_version[1] = (ioc->facts.FWVersion.Struct.Major % 10 ) + '0'; 2476 karg.fw_version[2] = '.'; 2477 karg.fw_version[3] = ioc->facts.FWVersion.Struct.Minor >= 10 ? 2478 ((ioc->facts.FWVersion.Struct.Minor / 10) + '0') : '0'; 2479 karg.fw_version[4] = (ioc->facts.FWVersion.Struct.Minor % 10 ) + '0'; 2480 karg.fw_version[5] = '.'; 2481 karg.fw_version[6] = ioc->facts.FWVersion.Struct.Unit >= 10 ? 2482 ((ioc->facts.FWVersion.Struct.Unit / 10) + '0') : '0'; 2483 karg.fw_version[7] = (ioc->facts.FWVersion.Struct.Unit % 10 ) + '0'; 2484 karg.fw_version[8] = '.'; 2485 karg.fw_version[9] = ioc->facts.FWVersion.Struct.Dev >= 10 ? 2486 ((ioc->facts.FWVersion.Struct.Dev / 10) + '0') : '0'; 2487 karg.fw_version[10] = (ioc->facts.FWVersion.Struct.Dev % 10 ) + '0'; 2488 karg.fw_version[11] = '\0'; 2489 2490 /* Issue a config request to get the device serial number 2491 */ 2492 hdr.PageVersion = 0; 2493 hdr.PageLength = 0; 2494 hdr.PageNumber = 0; 2495 hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING; 2496 cfg.cfghdr.hdr = &hdr; 2497 cfg.physAddr = -1; 2498 cfg.pageAddr = 0; 2499 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 2500 cfg.dir = 0; /* read */ 2501 cfg.timeout = 10; 2502 2503 strncpy(karg.serial_number, " ", 24); 2504 if (mpt_config(ioc, &cfg) == 0) { 2505 if (cfg.cfghdr.hdr->PageLength > 0) { 2506 /* Issue the second config page request */ 2507 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 2508 2509 pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma); 2510 if (pbuf) { 2511 cfg.physAddr = buf_dma; 2512 if (mpt_config(ioc, &cfg) == 0) { 2513 ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf; 2514 if (strlen(pdata->BoardTracerNumber) > 1) { 2515 strncpy(karg.serial_number, pdata->BoardTracerNumber, 24); 2516 karg.serial_number[24-1]='\0'; 2517 } 2518 } 2519 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma); 2520 pbuf = NULL; 2521 } 2522 } 2523 } 2524 rc = mpt_GetIocState(ioc, 1); 2525 switch (rc) { 2526 case MPI_IOC_STATE_OPERATIONAL: 2527 karg.ioc_status = HP_STATUS_OK; 2528 break; 2529 2530 case MPI_IOC_STATE_FAULT: 2531 karg.ioc_status = HP_STATUS_FAILED; 2532 break; 2533 2534 case MPI_IOC_STATE_RESET: 2535 case MPI_IOC_STATE_READY: 2536 default: 2537 karg.ioc_status = HP_STATUS_OTHER; 2538 break; 2539 } 2540 2541 karg.base_io_addr = pci_resource_start(pdev, 0); 2542 2543 if ((ioc->bus_type == SAS) || (ioc->bus_type == FC)) 2544 karg.bus_phys_width = HP_BUS_WIDTH_UNK; 2545 else 2546 karg.bus_phys_width = HP_BUS_WIDTH_16; 2547 2548 karg.hard_resets = 0; 2549 karg.soft_resets = 0; 2550 karg.timeouts = 0; 2551 if (ioc->sh != NULL) { 2552 MPT_SCSI_HOST *hd = shost_priv(ioc->sh); 2553 2554 if (hd && (cim_rev == 1)) { 2555 karg.hard_resets = ioc->hard_resets; 2556 karg.soft_resets = ioc->soft_resets; 2557 karg.timeouts = ioc->timeouts; 2558 } 2559 } 2560 2561 /* 2562 * Gather ISTWI(Industry Standard Two Wire Interface) Data 2563 */ 2564 if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) { 2565 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT 2566 "%s, no msg frames!!\n", ioc->name, __func__)); 2567 goto out; 2568 } 2569 2570 IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf; 2571 msgcontext = IstwiRWRequest->MsgContext; 2572 memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t)); 2573 IstwiRWRequest->MsgContext = msgcontext; 2574 IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX; 2575 IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL; 2576 IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ; 2577 IstwiRWRequest->NumAddressBytes = 0x01; 2578 IstwiRWRequest->DataLength = cpu_to_le16(0x04); 2579 if (pdev->devfn & 1) 2580 IstwiRWRequest->DeviceAddr = 0xB2; 2581 else 2582 IstwiRWRequest->DeviceAddr = 0xB0; 2583 2584 pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma); 2585 if (!pbuf) 2586 goto out; 2587 ioc->add_sge((char *)&IstwiRWRequest->SGL, 2588 (MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma); 2589 2590 retval = 0; 2591 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 2592 IstwiRWRequest->MsgContext); 2593 INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status) 2594 mpt_put_msg_frame(mptctl_id, ioc, mf); 2595 2596 retry_wait: 2597 timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done, 2598 HZ*MPT_IOCTL_DEFAULT_TIMEOUT); 2599 if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 2600 retval = -ETIME; 2601 printk(MYIOC_s_WARN_FMT "%s: failed\n", ioc->name, __func__); 2602 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { 2603 mpt_free_msg_frame(ioc, mf); 2604 goto out; 2605 } 2606 if (!timeleft) { 2607 printk(MYIOC_s_WARN_FMT 2608 "HOST INFO command timeout, doorbell=0x%08x\n", 2609 ioc->name, mpt_GetIocState(ioc, 0)); 2610 mptctl_timeout_expired(ioc, mf); 2611 } else 2612 goto retry_wait; 2613 goto out; 2614 } 2615 2616 /* 2617 *ISTWI Data Definition 2618 * pbuf[0] = FW_VERSION = 0x4 2619 * pbuf[1] = Bay Count = 6 or 4 or 2, depending on 2620 * the config, you should be seeing one out of these three values 2621 * pbuf[2] = Drive Installed Map = bit pattern depend on which 2622 * bays have drives in them 2623 * pbuf[3] = Checksum (0x100 = (byte0 + byte2 + byte3) 2624 */ 2625 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID) 2626 karg.rsvd = *(u32 *)pbuf; 2627 2628 out: 2629 CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status) 2630 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0); 2631 2632 if (pbuf) 2633 pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma); 2634 2635 /* Copy the data from kernel memory to user memory 2636 */ 2637 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) { 2638 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hpgethostinfo - " 2639 "Unable to write out hp_host_info @ %p\n", 2640 ioc->name, __FILE__, __LINE__, uarg); 2641 return -EFAULT; 2642 } 2643 2644 return 0; 2645 2646 } 2647 2648 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2649 /* Prototype Routine for the TARGET INFO command. 2650 * 2651 * Outputs: None. 2652 * Return: 0 if successful 2653 * -EFAULT if data unavailable 2654 * -EBUSY if previous command timeout and IOC reset is not complete. 2655 * -ENODEV if no such device/adapter 2656 * -ETIME if timer expires 2657 * -ENOMEM if memory allocation error 2658 */ 2659 static int 2660 mptctl_hp_targetinfo(unsigned long arg) 2661 { 2662 hp_target_info_t __user *uarg = (void __user *) arg; 2663 SCSIDevicePage0_t *pg0_alloc; 2664 SCSIDevicePage3_t *pg3_alloc; 2665 MPT_ADAPTER *ioc; 2666 MPT_SCSI_HOST *hd = NULL; 2667 hp_target_info_t karg; 2668 int iocnum; 2669 int data_sz; 2670 dma_addr_t page_dma; 2671 CONFIGPARMS cfg; 2672 ConfigPageHeader_t hdr; 2673 int tmp, np, rc = 0; 2674 2675 if (copy_from_user(&karg, uarg, sizeof(hp_target_info_t))) { 2676 printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_targetinfo - " 2677 "Unable to read in hp_host_targetinfo struct @ %p\n", 2678 __FILE__, __LINE__, uarg); 2679 return -EFAULT; 2680 } 2681 2682 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 2683 (ioc == NULL)) { 2684 printk(KERN_DEBUG MYNAM "%s::mptctl_hp_targetinfo() @%d - ioc%d not found!\n", 2685 __FILE__, __LINE__, iocnum); 2686 return -ENODEV; 2687 } 2688 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_hp_targetinfo called.\n", 2689 ioc->name)); 2690 2691 /* There is nothing to do for FCP parts. 2692 */ 2693 if ((ioc->bus_type == SAS) || (ioc->bus_type == FC)) 2694 return 0; 2695 2696 if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL)) 2697 return 0; 2698 2699 if (ioc->sh->host_no != karg.hdr.host) 2700 return -ENODEV; 2701 2702 /* Get the data transfer speeds 2703 */ 2704 data_sz = ioc->spi_data.sdp0length * 4; 2705 pg0_alloc = (SCSIDevicePage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma); 2706 if (pg0_alloc) { 2707 hdr.PageVersion = ioc->spi_data.sdp0version; 2708 hdr.PageLength = data_sz; 2709 hdr.PageNumber = 0; 2710 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; 2711 2712 cfg.cfghdr.hdr = &hdr; 2713 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 2714 cfg.dir = 0; 2715 cfg.timeout = 0; 2716 cfg.physAddr = page_dma; 2717 2718 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; 2719 2720 if ((rc = mpt_config(ioc, &cfg)) == 0) { 2721 np = le32_to_cpu(pg0_alloc->NegotiatedParameters); 2722 karg.negotiated_width = np & MPI_SCSIDEVPAGE0_NP_WIDE ? 2723 HP_BUS_WIDTH_16 : HP_BUS_WIDTH_8; 2724 2725 if (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) { 2726 tmp = (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8; 2727 if (tmp < 0x09) 2728 karg.negotiated_speed = HP_DEV_SPEED_ULTRA320; 2729 else if (tmp <= 0x09) 2730 karg.negotiated_speed = HP_DEV_SPEED_ULTRA160; 2731 else if (tmp <= 0x0A) 2732 karg.negotiated_speed = HP_DEV_SPEED_ULTRA2; 2733 else if (tmp <= 0x0C) 2734 karg.negotiated_speed = HP_DEV_SPEED_ULTRA; 2735 else if (tmp <= 0x25) 2736 karg.negotiated_speed = HP_DEV_SPEED_FAST; 2737 else 2738 karg.negotiated_speed = HP_DEV_SPEED_ASYNC; 2739 } else 2740 karg.negotiated_speed = HP_DEV_SPEED_ASYNC; 2741 } 2742 2743 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg0_alloc, page_dma); 2744 } 2745 2746 /* Set defaults 2747 */ 2748 karg.message_rejects = -1; 2749 karg.phase_errors = -1; 2750 karg.parity_errors = -1; 2751 karg.select_timeouts = -1; 2752 2753 /* Get the target error parameters 2754 */ 2755 hdr.PageVersion = 0; 2756 hdr.PageLength = 0; 2757 hdr.PageNumber = 3; 2758 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; 2759 2760 cfg.cfghdr.hdr = &hdr; 2761 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 2762 cfg.dir = 0; 2763 cfg.timeout = 0; 2764 cfg.physAddr = -1; 2765 if ((mpt_config(ioc, &cfg) == 0) && (cfg.cfghdr.hdr->PageLength > 0)) { 2766 /* Issue the second config page request */ 2767 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 2768 data_sz = (int) cfg.cfghdr.hdr->PageLength * 4; 2769 pg3_alloc = (SCSIDevicePage3_t *) pci_alloc_consistent( 2770 ioc->pcidev, data_sz, &page_dma); 2771 if (pg3_alloc) { 2772 cfg.physAddr = page_dma; 2773 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; 2774 if ((rc = mpt_config(ioc, &cfg)) == 0) { 2775 karg.message_rejects = (u32) le16_to_cpu(pg3_alloc->MsgRejectCount); 2776 karg.phase_errors = (u32) le16_to_cpu(pg3_alloc->PhaseErrorCount); 2777 karg.parity_errors = (u32) le16_to_cpu(pg3_alloc->ParityErrorCount); 2778 } 2779 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg3_alloc, page_dma); 2780 } 2781 } 2782 hd = shost_priv(ioc->sh); 2783 if (hd != NULL) 2784 karg.select_timeouts = hd->sel_timeout[karg.hdr.id]; 2785 2786 /* Copy the data from kernel memory to user memory 2787 */ 2788 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_target_info_t))) { 2789 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hp_target_info - " 2790 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", 2791 ioc->name, __FILE__, __LINE__, uarg); 2792 return -EFAULT; 2793 } 2794 2795 return 0; 2796 } 2797 2798 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2799 2800 static const struct file_operations mptctl_fops = { 2801 .owner = THIS_MODULE, 2802 .llseek = no_llseek, 2803 .fasync = mptctl_fasync, 2804 .unlocked_ioctl = mptctl_ioctl, 2805 #ifdef CONFIG_COMPAT 2806 .compat_ioctl = compat_mpctl_ioctl, 2807 #endif 2808 }; 2809 2810 static struct miscdevice mptctl_miscdev = { 2811 MPT_MINOR, 2812 MYNAM, 2813 &mptctl_fops 2814 }; 2815 2816 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2817 2818 #ifdef CONFIG_COMPAT 2819 2820 static int 2821 compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd, 2822 unsigned long arg) 2823 { 2824 struct mpt_fw_xfer32 kfw32; 2825 struct mpt_fw_xfer kfw; 2826 MPT_ADAPTER *iocp = NULL; 2827 int iocnum, iocnumX; 2828 int nonblock = (filp->f_flags & O_NONBLOCK); 2829 int ret; 2830 2831 2832 if (copy_from_user(&kfw32, (char __user *)arg, sizeof(kfw32))) 2833 return -EFAULT; 2834 2835 /* Verify intended MPT adapter */ 2836 iocnumX = kfw32.iocnum & 0xFF; 2837 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || 2838 (iocp == NULL)) { 2839 printk(KERN_DEBUG MYNAM "::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n", 2840 __LINE__, iocnumX); 2841 return -ENODEV; 2842 } 2843 2844 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) 2845 return ret; 2846 2847 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mptfwxfer_ioctl() called\n", 2848 iocp->name)); 2849 kfw.iocnum = iocnum; 2850 kfw.fwlen = kfw32.fwlen; 2851 kfw.bufp = compat_ptr(kfw32.bufp); 2852 2853 ret = mptctl_do_fw_download(kfw.iocnum, kfw.bufp, kfw.fwlen); 2854 2855 mutex_unlock(&iocp->ioctl_cmds.mutex); 2856 2857 return ret; 2858 } 2859 2860 static int 2861 compat_mpt_command(struct file *filp, unsigned int cmd, 2862 unsigned long arg) 2863 { 2864 struct mpt_ioctl_command32 karg32; 2865 struct mpt_ioctl_command32 __user *uarg = (struct mpt_ioctl_command32 __user *) arg; 2866 struct mpt_ioctl_command karg; 2867 MPT_ADAPTER *iocp = NULL; 2868 int iocnum, iocnumX; 2869 int nonblock = (filp->f_flags & O_NONBLOCK); 2870 int ret; 2871 2872 if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) 2873 return -EFAULT; 2874 2875 /* Verify intended MPT adapter */ 2876 iocnumX = karg32.hdr.iocnum & 0xFF; 2877 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || 2878 (iocp == NULL)) { 2879 printk(KERN_DEBUG MYNAM "::compat_mpt_command @%d - ioc%d not found!\n", 2880 __LINE__, iocnumX); 2881 return -ENODEV; 2882 } 2883 2884 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) 2885 return ret; 2886 2887 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mpt_command() called\n", 2888 iocp->name)); 2889 /* Copy data to karg */ 2890 karg.hdr.iocnum = karg32.hdr.iocnum; 2891 karg.hdr.port = karg32.hdr.port; 2892 karg.timeout = karg32.timeout; 2893 karg.maxReplyBytes = karg32.maxReplyBytes; 2894 2895 karg.dataInSize = karg32.dataInSize; 2896 karg.dataOutSize = karg32.dataOutSize; 2897 karg.maxSenseBytes = karg32.maxSenseBytes; 2898 karg.dataSgeOffset = karg32.dataSgeOffset; 2899 2900 karg.replyFrameBufPtr = (char __user *)(unsigned long)karg32.replyFrameBufPtr; 2901 karg.dataInBufPtr = (char __user *)(unsigned long)karg32.dataInBufPtr; 2902 karg.dataOutBufPtr = (char __user *)(unsigned long)karg32.dataOutBufPtr; 2903 karg.senseDataPtr = (char __user *)(unsigned long)karg32.senseDataPtr; 2904 2905 /* Pass new structure to do_mpt_command 2906 */ 2907 ret = mptctl_do_mpt_command (karg, &uarg->MF); 2908 2909 mutex_unlock(&iocp->ioctl_cmds.mutex); 2910 2911 return ret; 2912 } 2913 2914 static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg) 2915 { 2916 long ret; 2917 mutex_lock(&mpctl_mutex); 2918 switch (cmd) { 2919 case MPTIOCINFO: 2920 case MPTIOCINFO1: 2921 case MPTIOCINFO2: 2922 case MPTTARGETINFO: 2923 case MPTEVENTQUERY: 2924 case MPTEVENTENABLE: 2925 case MPTEVENTREPORT: 2926 case MPTHARDRESET: 2927 case HP_GETHOSTINFO: 2928 case HP_GETTARGETINFO: 2929 case MPTTEST: 2930 ret = __mptctl_ioctl(f, cmd, arg); 2931 break; 2932 case MPTCOMMAND32: 2933 ret = compat_mpt_command(f, cmd, arg); 2934 break; 2935 case MPTFWDOWNLOAD32: 2936 ret = compat_mptfwxfer_ioctl(f, cmd, arg); 2937 break; 2938 default: 2939 ret = -ENOIOCTLCMD; 2940 break; 2941 } 2942 mutex_unlock(&mpctl_mutex); 2943 return ret; 2944 } 2945 2946 #endif 2947 2948 2949 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2950 /* 2951 * mptctl_probe - Installs ioctl devices per bus. 2952 * @pdev: Pointer to pci_dev structure 2953 * 2954 * Returns 0 for success, non-zero for failure. 2955 * 2956 */ 2957 2958 static int 2959 mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id) 2960 { 2961 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 2962 2963 mutex_init(&ioc->ioctl_cmds.mutex); 2964 init_completion(&ioc->ioctl_cmds.done); 2965 return 0; 2966 } 2967 2968 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2969 /* 2970 * mptctl_remove - Removed ioctl devices 2971 * @pdev: Pointer to pci_dev structure 2972 * 2973 * 2974 */ 2975 static void 2976 mptctl_remove(struct pci_dev *pdev) 2977 { 2978 } 2979 2980 static struct mpt_pci_driver mptctl_driver = { 2981 .probe = mptctl_probe, 2982 .remove = mptctl_remove, 2983 }; 2984 2985 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2986 static int __init mptctl_init(void) 2987 { 2988 int err; 2989 int where = 1; 2990 2991 show_mptmod_ver(my_NAME, my_VERSION); 2992 2993 mpt_device_driver_register(&mptctl_driver, MPTCTL_DRIVER); 2994 2995 /* Register this device */ 2996 err = misc_register(&mptctl_miscdev); 2997 if (err < 0) { 2998 printk(KERN_ERR MYNAM ": Can't register misc device [minor=%d].\n", MPT_MINOR); 2999 goto out_fail; 3000 } 3001 printk(KERN_INFO MYNAM ": Registered with Fusion MPT base driver\n"); 3002 printk(KERN_INFO MYNAM ": /dev/%s @ (major,minor=%d,%d)\n", 3003 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); 3004 3005 /* 3006 * Install our handler 3007 */ 3008 ++where; 3009 mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER, 3010 "mptctl_reply"); 3011 if (!mptctl_id || mptctl_id >= MPT_MAX_PROTOCOL_DRIVERS) { 3012 printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n"); 3013 misc_deregister(&mptctl_miscdev); 3014 err = -EBUSY; 3015 goto out_fail; 3016 } 3017 3018 mptctl_taskmgmt_id = mpt_register(mptctl_taskmgmt_reply, MPTCTL_DRIVER, 3019 "mptctl_taskmgmt_reply"); 3020 if (!mptctl_taskmgmt_id || mptctl_taskmgmt_id >= MPT_MAX_PROTOCOL_DRIVERS) { 3021 printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n"); 3022 mpt_deregister(mptctl_id); 3023 misc_deregister(&mptctl_miscdev); 3024 err = -EBUSY; 3025 goto out_fail; 3026 } 3027 3028 mpt_reset_register(mptctl_id, mptctl_ioc_reset); 3029 mpt_event_register(mptctl_id, mptctl_event_process); 3030 3031 return 0; 3032 3033 out_fail: 3034 3035 mpt_device_driver_deregister(MPTCTL_DRIVER); 3036 3037 return err; 3038 } 3039 3040 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3041 static void mptctl_exit(void) 3042 { 3043 misc_deregister(&mptctl_miscdev); 3044 printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n", 3045 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); 3046 3047 /* De-register event handler from base module */ 3048 mpt_event_deregister(mptctl_id); 3049 3050 /* De-register reset handler from base module */ 3051 mpt_reset_deregister(mptctl_id); 3052 3053 /* De-register callback handler from base module */ 3054 mpt_deregister(mptctl_taskmgmt_id); 3055 mpt_deregister(mptctl_id); 3056 3057 mpt_device_driver_deregister(MPTCTL_DRIVER); 3058 3059 } 3060 3061 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3062 3063 module_init(mptctl_init); 3064 module_exit(mptctl_exit); 3065