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 /* Basic sanity checks to prevent underflows or integer overflows */ 1863 if (karg.maxReplyBytes < 0 || 1864 karg.dataInSize < 0 || 1865 karg.dataOutSize < 0 || 1866 karg.dataSgeOffset < 0 || 1867 karg.maxSenseBytes < 0 || 1868 karg.dataSgeOffset > ioc->req_sz / 4) 1869 return -EINVAL; 1870 1871 /* Verify that the final request frame will not be too large. 1872 */ 1873 sz = karg.dataSgeOffset * 4; 1874 if (karg.dataInSize > 0) 1875 sz += ioc->SGE_size; 1876 if (karg.dataOutSize > 0) 1877 sz += ioc->SGE_size; 1878 1879 if (sz > ioc->req_sz) { 1880 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 1881 "Request frame too large (%d) maximum (%d)\n", 1882 ioc->name, __FILE__, __LINE__, sz, ioc->req_sz); 1883 return -EFAULT; 1884 } 1885 1886 /* Get a free request frame and save the message context. 1887 */ 1888 if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) 1889 return -EAGAIN; 1890 1891 hdr = (MPIHeader_t *) mf; 1892 msgContext = le32_to_cpu(hdr->MsgContext); 1893 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); 1894 1895 /* Copy the request frame 1896 * Reset the saved message context. 1897 * Request frame in user space 1898 */ 1899 if (copy_from_user(mf, mfPtr, karg.dataSgeOffset * 4)) { 1900 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 1901 "Unable to read MF from mpt_ioctl_command struct @ %p\n", 1902 ioc->name, __FILE__, __LINE__, mfPtr); 1903 function = -1; 1904 rc = -EFAULT; 1905 goto done_free_mem; 1906 } 1907 hdr->MsgContext = cpu_to_le32(msgContext); 1908 function = hdr->Function; 1909 1910 1911 /* Verify that this request is allowed. 1912 */ 1913 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sending mpi function (0x%02X), req=%p\n", 1914 ioc->name, hdr->Function, mf)); 1915 1916 switch (function) { 1917 case MPI_FUNCTION_IOC_FACTS: 1918 case MPI_FUNCTION_PORT_FACTS: 1919 karg.dataOutSize = karg.dataInSize = 0; 1920 break; 1921 1922 case MPI_FUNCTION_CONFIG: 1923 { 1924 Config_t *config_frame; 1925 config_frame = (Config_t *)mf; 1926 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\ttype=0x%02x ext_type=0x%02x " 1927 "number=0x%02x action=0x%02x\n", ioc->name, 1928 config_frame->Header.PageType, 1929 config_frame->ExtPageType, 1930 config_frame->Header.PageNumber, 1931 config_frame->Action)); 1932 break; 1933 } 1934 1935 case MPI_FUNCTION_FC_COMMON_TRANSPORT_SEND: 1936 case MPI_FUNCTION_FC_EX_LINK_SRVC_SEND: 1937 case MPI_FUNCTION_FW_UPLOAD: 1938 case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: 1939 case MPI_FUNCTION_FW_DOWNLOAD: 1940 case MPI_FUNCTION_FC_PRIMITIVE_SEND: 1941 case MPI_FUNCTION_TOOLBOX: 1942 case MPI_FUNCTION_SAS_IO_UNIT_CONTROL: 1943 break; 1944 1945 case MPI_FUNCTION_SCSI_IO_REQUEST: 1946 if (ioc->sh) { 1947 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; 1948 int qtag = MPI_SCSIIO_CONTROL_UNTAGGED; 1949 int scsidir = 0; 1950 int dataSize; 1951 u32 id; 1952 1953 id = (ioc->devices_per_bus == 0) ? 256 : ioc->devices_per_bus; 1954 if (pScsiReq->TargetID > id) { 1955 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 1956 "Target ID out of bounds. \n", 1957 ioc->name, __FILE__, __LINE__); 1958 rc = -ENODEV; 1959 goto done_free_mem; 1960 } 1961 1962 if (pScsiReq->Bus >= ioc->number_of_buses) { 1963 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 1964 "Target Bus out of bounds. \n", 1965 ioc->name, __FILE__, __LINE__); 1966 rc = -ENODEV; 1967 goto done_free_mem; 1968 } 1969 1970 pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH; 1971 pScsiReq->MsgFlags |= mpt_msg_flags(ioc); 1972 1973 1974 /* verify that app has not requested 1975 * more sense data than driver 1976 * can provide, if so, reset this parameter 1977 * set the sense buffer pointer low address 1978 * update the control field to specify Q type 1979 */ 1980 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) 1981 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 1982 else 1983 pScsiReq->SenseBufferLength = karg.maxSenseBytes; 1984 1985 pScsiReq->SenseBufferLowAddr = 1986 cpu_to_le32(ioc->sense_buf_low_dma 1987 + (req_idx * MPT_SENSE_BUFFER_ALLOC)); 1988 1989 shost_for_each_device(sdev, ioc->sh) { 1990 struct scsi_target *starget = scsi_target(sdev); 1991 VirtTarget *vtarget = starget->hostdata; 1992 1993 if (vtarget == NULL) 1994 continue; 1995 1996 if ((pScsiReq->TargetID == vtarget->id) && 1997 (pScsiReq->Bus == vtarget->channel) && 1998 (vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) 1999 qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; 2000 } 2001 2002 /* Have the IOCTL driver set the direction based 2003 * on the dataOutSize (ordering issue with Sparc). 2004 */ 2005 if (karg.dataOutSize > 0) { 2006 scsidir = MPI_SCSIIO_CONTROL_WRITE; 2007 dataSize = karg.dataOutSize; 2008 } else { 2009 scsidir = MPI_SCSIIO_CONTROL_READ; 2010 dataSize = karg.dataInSize; 2011 } 2012 2013 pScsiReq->Control = cpu_to_le32(scsidir | qtag); 2014 pScsiReq->DataLength = cpu_to_le32(dataSize); 2015 2016 2017 } else { 2018 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2019 "SCSI driver is not loaded. \n", 2020 ioc->name, __FILE__, __LINE__); 2021 rc = -EFAULT; 2022 goto done_free_mem; 2023 } 2024 break; 2025 2026 case MPI_FUNCTION_SMP_PASSTHROUGH: 2027 /* Check mf->PassthruFlags to determine if 2028 * transfer is ImmediateMode or not. 2029 * Immediate mode returns data in the ReplyFrame. 2030 * Else, we are sending request and response data 2031 * in two SGLs at the end of the mf. 2032 */ 2033 break; 2034 2035 case MPI_FUNCTION_SATA_PASSTHROUGH: 2036 if (!ioc->sh) { 2037 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2038 "SCSI driver is not loaded. \n", 2039 ioc->name, __FILE__, __LINE__); 2040 rc = -EFAULT; 2041 goto done_free_mem; 2042 } 2043 break; 2044 2045 case MPI_FUNCTION_RAID_ACTION: 2046 /* Just add a SGE 2047 */ 2048 break; 2049 2050 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 2051 if (ioc->sh) { 2052 SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf; 2053 int qtag = MPI_SCSIIO_CONTROL_SIMPLEQ; 2054 int scsidir = MPI_SCSIIO_CONTROL_READ; 2055 int dataSize; 2056 2057 pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH; 2058 pScsiReq->MsgFlags |= mpt_msg_flags(ioc); 2059 2060 2061 /* verify that app has not requested 2062 * more sense data than driver 2063 * can provide, if so, reset this parameter 2064 * set the sense buffer pointer low address 2065 * update the control field to specify Q type 2066 */ 2067 if (karg.maxSenseBytes > MPT_SENSE_BUFFER_SIZE) 2068 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; 2069 else 2070 pScsiReq->SenseBufferLength = karg.maxSenseBytes; 2071 2072 pScsiReq->SenseBufferLowAddr = 2073 cpu_to_le32(ioc->sense_buf_low_dma 2074 + (req_idx * MPT_SENSE_BUFFER_ALLOC)); 2075 2076 /* All commands to physical devices are tagged 2077 */ 2078 2079 /* Have the IOCTL driver set the direction based 2080 * on the dataOutSize (ordering issue with Sparc). 2081 */ 2082 if (karg.dataOutSize > 0) { 2083 scsidir = MPI_SCSIIO_CONTROL_WRITE; 2084 dataSize = karg.dataOutSize; 2085 } else { 2086 scsidir = MPI_SCSIIO_CONTROL_READ; 2087 dataSize = karg.dataInSize; 2088 } 2089 2090 pScsiReq->Control = cpu_to_le32(scsidir | qtag); 2091 pScsiReq->DataLength = cpu_to_le32(dataSize); 2092 2093 } else { 2094 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2095 "SCSI driver is not loaded. \n", 2096 ioc->name, __FILE__, __LINE__); 2097 rc = -EFAULT; 2098 goto done_free_mem; 2099 } 2100 break; 2101 2102 case MPI_FUNCTION_SCSI_TASK_MGMT: 2103 { 2104 SCSITaskMgmt_t *pScsiTm; 2105 pScsiTm = (SCSITaskMgmt_t *)mf; 2106 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT 2107 "\tTaskType=0x%x MsgFlags=0x%x " 2108 "TaskMsgContext=0x%x id=%d channel=%d\n", 2109 ioc->name, pScsiTm->TaskType, le32_to_cpu 2110 (pScsiTm->TaskMsgContext), pScsiTm->MsgFlags, 2111 pScsiTm->TargetID, pScsiTm->Bus)); 2112 break; 2113 } 2114 2115 case MPI_FUNCTION_IOC_INIT: 2116 { 2117 IOCInit_t *pInit = (IOCInit_t *) mf; 2118 u32 high_addr, sense_high; 2119 2120 /* Verify that all entries in the IOC INIT match 2121 * existing setup (and in LE format). 2122 */ 2123 if (sizeof(dma_addr_t) == sizeof(u64)) { 2124 high_addr = cpu_to_le32((u32)((u64)ioc->req_frames_dma >> 32)); 2125 sense_high= cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32)); 2126 } else { 2127 high_addr = 0; 2128 sense_high= 0; 2129 } 2130 2131 if ((pInit->Flags != 0) || (pInit->MaxDevices != ioc->facts.MaxDevices) || 2132 (pInit->MaxBuses != ioc->facts.MaxBuses) || 2133 (pInit->ReplyFrameSize != cpu_to_le16(ioc->reply_sz)) || 2134 (pInit->HostMfaHighAddr != high_addr) || 2135 (pInit->SenseBufferHighAddr != sense_high)) { 2136 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2137 "IOC_INIT issued with 1 or more incorrect parameters. Rejected.\n", 2138 ioc->name, __FILE__, __LINE__); 2139 rc = -EFAULT; 2140 goto done_free_mem; 2141 } 2142 } 2143 break; 2144 default: 2145 /* 2146 * MPI_FUNCTION_PORT_ENABLE 2147 * MPI_FUNCTION_TARGET_CMD_BUFFER_POST 2148 * MPI_FUNCTION_TARGET_ASSIST 2149 * MPI_FUNCTION_TARGET_STATUS_SEND 2150 * MPI_FUNCTION_TARGET_MODE_ABORT 2151 * MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET 2152 * MPI_FUNCTION_IO_UNIT_RESET 2153 * MPI_FUNCTION_HANDSHAKE 2154 * MPI_FUNCTION_REPLY_FRAME_REMOVAL 2155 * MPI_FUNCTION_EVENT_NOTIFICATION 2156 * (driver handles event notification) 2157 * MPI_FUNCTION_EVENT_ACK 2158 */ 2159 2160 /* What to do with these??? CHECK ME!!! 2161 MPI_FUNCTION_FC_LINK_SRVC_BUF_POST 2162 MPI_FUNCTION_FC_LINK_SRVC_RSP 2163 MPI_FUNCTION_FC_ABORT 2164 MPI_FUNCTION_LAN_SEND 2165 MPI_FUNCTION_LAN_RECEIVE 2166 MPI_FUNCTION_LAN_RESET 2167 */ 2168 2169 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2170 "Illegal request (function 0x%x) \n", 2171 ioc->name, __FILE__, __LINE__, hdr->Function); 2172 rc = -EFAULT; 2173 goto done_free_mem; 2174 } 2175 2176 /* Add the SGL ( at most one data in SGE and one data out SGE ) 2177 * In the case of two SGE's - the data out (write) will always 2178 * preceede the data in (read) SGE. psgList is used to free the 2179 * allocated memory. 2180 */ 2181 psge = (char *) (((int *) mf) + karg.dataSgeOffset); 2182 flagsLength = 0; 2183 2184 if (karg.dataOutSize > 0) 2185 sgSize ++; 2186 2187 if (karg.dataInSize > 0) 2188 sgSize ++; 2189 2190 if (sgSize > 0) { 2191 2192 /* Set up the dataOut memory allocation */ 2193 if (karg.dataOutSize > 0) { 2194 if (karg.dataInSize > 0) { 2195 flagsLength = ( MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2196 MPI_SGE_FLAGS_END_OF_BUFFER | 2197 MPI_SGE_FLAGS_DIRECTION) 2198 << MPI_SGE_FLAGS_SHIFT; 2199 } else { 2200 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE; 2201 } 2202 flagsLength |= karg.dataOutSize; 2203 bufOut.len = karg.dataOutSize; 2204 bufOut.kptr = pci_alloc_consistent( 2205 ioc->pcidev, bufOut.len, &dma_addr_out); 2206 2207 if (bufOut.kptr == NULL) { 2208 rc = -ENOMEM; 2209 goto done_free_mem; 2210 } else { 2211 /* Set up this SGE. 2212 * Copy to MF and to sglbuf 2213 */ 2214 ioc->add_sge(psge, flagsLength, dma_addr_out); 2215 psge += ioc->SGE_size; 2216 2217 /* Copy user data to kernel space. 2218 */ 2219 if (copy_from_user(bufOut.kptr, 2220 karg.dataOutBufPtr, 2221 bufOut.len)) { 2222 printk(MYIOC_s_ERR_FMT 2223 "%s@%d::mptctl_do_mpt_command - Unable " 2224 "to read user data " 2225 "struct @ %p\n", 2226 ioc->name, __FILE__, __LINE__,karg.dataOutBufPtr); 2227 rc = -EFAULT; 2228 goto done_free_mem; 2229 } 2230 } 2231 } 2232 2233 if (karg.dataInSize > 0) { 2234 flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ; 2235 flagsLength |= karg.dataInSize; 2236 2237 bufIn.len = karg.dataInSize; 2238 bufIn.kptr = pci_alloc_consistent(ioc->pcidev, 2239 bufIn.len, &dma_addr_in); 2240 2241 if (bufIn.kptr == NULL) { 2242 rc = -ENOMEM; 2243 goto done_free_mem; 2244 } else { 2245 /* Set up this SGE 2246 * Copy to MF and to sglbuf 2247 */ 2248 ioc->add_sge(psge, flagsLength, dma_addr_in); 2249 } 2250 } 2251 } else { 2252 /* Add a NULL SGE 2253 */ 2254 ioc->add_sge(psge, flagsLength, (dma_addr_t) -1); 2255 } 2256 2257 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, hdr->MsgContext); 2258 INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status) 2259 if (hdr->Function == MPI_FUNCTION_SCSI_TASK_MGMT) { 2260 2261 mutex_lock(&ioc->taskmgmt_cmds.mutex); 2262 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { 2263 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 2264 goto done_free_mem; 2265 } 2266 2267 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf); 2268 2269 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) && 2270 (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) 2271 mpt_put_msg_frame_hi_pri(mptctl_id, ioc, mf); 2272 else { 2273 rc =mpt_send_handshake_request(mptctl_id, ioc, 2274 sizeof(SCSITaskMgmt_t), (u32*)mf, CAN_SLEEP); 2275 if (rc != 0) { 2276 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 2277 "send_handshake FAILED! (ioc %p, mf %p)\n", 2278 ioc->name, ioc, mf)); 2279 mpt_clear_taskmgmt_in_progress_flag(ioc); 2280 rc = -ENODATA; 2281 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 2282 goto done_free_mem; 2283 } 2284 } 2285 2286 } else 2287 mpt_put_msg_frame(mptctl_id, ioc, mf); 2288 2289 /* Now wait for the command to complete */ 2290 timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT; 2291 retry_wait: 2292 timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done, 2293 HZ*timeout); 2294 if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 2295 rc = -ETIME; 2296 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "%s: TIMED OUT!\n", 2297 ioc->name, __func__)); 2298 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { 2299 if (function == MPI_FUNCTION_SCSI_TASK_MGMT) 2300 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 2301 goto done_free_mem; 2302 } 2303 if (!timeleft) { 2304 printk(MYIOC_s_WARN_FMT 2305 "mpt cmd timeout, doorbell=0x%08x" 2306 " function=0x%x\n", 2307 ioc->name, mpt_GetIocState(ioc, 0), function); 2308 if (function == MPI_FUNCTION_SCSI_TASK_MGMT) 2309 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 2310 mptctl_timeout_expired(ioc, mf); 2311 mf = NULL; 2312 } else 2313 goto retry_wait; 2314 goto done_free_mem; 2315 } 2316 2317 if (function == MPI_FUNCTION_SCSI_TASK_MGMT) 2318 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 2319 2320 2321 mf = NULL; 2322 2323 /* If a valid reply frame, copy to the user. 2324 * Offset 2: reply length in U32's 2325 */ 2326 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID) { 2327 if (karg.maxReplyBytes < ioc->reply_sz) { 2328 sz = min(karg.maxReplyBytes, 2329 4*ioc->ioctl_cmds.reply[2]); 2330 } else { 2331 sz = min(ioc->reply_sz, 4*ioc->ioctl_cmds.reply[2]); 2332 } 2333 if (sz > 0) { 2334 if (copy_to_user(karg.replyFrameBufPtr, 2335 ioc->ioctl_cmds.reply, sz)){ 2336 printk(MYIOC_s_ERR_FMT 2337 "%s@%d::mptctl_do_mpt_command - " 2338 "Unable to write out reply frame %p\n", 2339 ioc->name, __FILE__, __LINE__, karg.replyFrameBufPtr); 2340 rc = -ENODATA; 2341 goto done_free_mem; 2342 } 2343 } 2344 } 2345 2346 /* If valid sense data, copy to user. 2347 */ 2348 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_SENSE_VALID) { 2349 sz = min(karg.maxSenseBytes, MPT_SENSE_BUFFER_SIZE); 2350 if (sz > 0) { 2351 if (copy_to_user(karg.senseDataPtr, 2352 ioc->ioctl_cmds.sense, sz)) { 2353 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2354 "Unable to write sense data to user %p\n", 2355 ioc->name, __FILE__, __LINE__, 2356 karg.senseDataPtr); 2357 rc = -ENODATA; 2358 goto done_free_mem; 2359 } 2360 } 2361 } 2362 2363 /* If the overall status is _GOOD and data in, copy data 2364 * to user. 2365 */ 2366 if ((ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD) && 2367 (karg.dataInSize > 0) && (bufIn.kptr)) { 2368 2369 if (copy_to_user(karg.dataInBufPtr, 2370 bufIn.kptr, karg.dataInSize)) { 2371 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_do_mpt_command - " 2372 "Unable to write data to user %p\n", 2373 ioc->name, __FILE__, __LINE__, 2374 karg.dataInBufPtr); 2375 rc = -ENODATA; 2376 } 2377 } 2378 2379 done_free_mem: 2380 2381 CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status) 2382 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0); 2383 2384 /* Free the allocated memory. 2385 */ 2386 if (bufOut.kptr != NULL) { 2387 pci_free_consistent(ioc->pcidev, 2388 bufOut.len, (void *) bufOut.kptr, dma_addr_out); 2389 } 2390 2391 if (bufIn.kptr != NULL) { 2392 pci_free_consistent(ioc->pcidev, 2393 bufIn.len, (void *) bufIn.kptr, dma_addr_in); 2394 } 2395 2396 /* mf is null if command issued successfully 2397 * otherwise, failure occurred after mf acquired. 2398 */ 2399 if (mf) 2400 mpt_free_msg_frame(ioc, mf); 2401 2402 return rc; 2403 } 2404 2405 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2406 /* Prototype Routine for the HOST INFO command. 2407 * 2408 * Outputs: None. 2409 * Return: 0 if successful 2410 * -EFAULT if data unavailable 2411 * -EBUSY if previous command timeout and IOC reset is not complete. 2412 * -ENODEV if no such device/adapter 2413 * -ETIME if timer expires 2414 * -ENOMEM if memory allocation error 2415 */ 2416 static int 2417 mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size) 2418 { 2419 hp_host_info_t __user *uarg = (void __user *) arg; 2420 MPT_ADAPTER *ioc; 2421 struct pci_dev *pdev; 2422 char *pbuf=NULL; 2423 dma_addr_t buf_dma; 2424 hp_host_info_t karg; 2425 CONFIGPARMS cfg; 2426 ConfigPageHeader_t hdr; 2427 int iocnum; 2428 int rc, cim_rev; 2429 ToolboxIstwiReadWriteRequest_t *IstwiRWRequest; 2430 MPT_FRAME_HDR *mf = NULL; 2431 unsigned long timeleft; 2432 int retval; 2433 u32 msgcontext; 2434 2435 /* Reset long to int. Should affect IA64 and SPARC only 2436 */ 2437 if (data_size == sizeof(hp_host_info_t)) 2438 cim_rev = 1; 2439 else if (data_size == sizeof(hp_host_info_rev0_t)) 2440 cim_rev = 0; /* obsolete */ 2441 else 2442 return -EFAULT; 2443 2444 if (copy_from_user(&karg, uarg, sizeof(hp_host_info_t))) { 2445 printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_host_info - " 2446 "Unable to read in hp_host_info struct @ %p\n", 2447 __FILE__, __LINE__, uarg); 2448 return -EFAULT; 2449 } 2450 2451 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 2452 (ioc == NULL)) { 2453 printk(KERN_DEBUG MYNAM "%s::mptctl_hp_hostinfo() @%d - ioc%d not found!\n", 2454 __FILE__, __LINE__, iocnum); 2455 return -ENODEV; 2456 } 2457 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": mptctl_hp_hostinfo called.\n", 2458 ioc->name)); 2459 2460 /* Fill in the data and return the structure to the calling 2461 * program 2462 */ 2463 pdev = (struct pci_dev *) ioc->pcidev; 2464 2465 karg.vendor = pdev->vendor; 2466 karg.device = pdev->device; 2467 karg.subsystem_id = pdev->subsystem_device; 2468 karg.subsystem_vendor = pdev->subsystem_vendor; 2469 karg.devfn = pdev->devfn; 2470 karg.bus = pdev->bus->number; 2471 2472 /* Save the SCSI host no. if 2473 * SCSI driver loaded 2474 */ 2475 if (ioc->sh != NULL) 2476 karg.host_no = ioc->sh->host_no; 2477 else 2478 karg.host_no = -1; 2479 2480 /* Reformat the fw_version into a string 2481 */ 2482 karg.fw_version[0] = ioc->facts.FWVersion.Struct.Major >= 10 ? 2483 ((ioc->facts.FWVersion.Struct.Major / 10) + '0') : '0'; 2484 karg.fw_version[1] = (ioc->facts.FWVersion.Struct.Major % 10 ) + '0'; 2485 karg.fw_version[2] = '.'; 2486 karg.fw_version[3] = ioc->facts.FWVersion.Struct.Minor >= 10 ? 2487 ((ioc->facts.FWVersion.Struct.Minor / 10) + '0') : '0'; 2488 karg.fw_version[4] = (ioc->facts.FWVersion.Struct.Minor % 10 ) + '0'; 2489 karg.fw_version[5] = '.'; 2490 karg.fw_version[6] = ioc->facts.FWVersion.Struct.Unit >= 10 ? 2491 ((ioc->facts.FWVersion.Struct.Unit / 10) + '0') : '0'; 2492 karg.fw_version[7] = (ioc->facts.FWVersion.Struct.Unit % 10 ) + '0'; 2493 karg.fw_version[8] = '.'; 2494 karg.fw_version[9] = ioc->facts.FWVersion.Struct.Dev >= 10 ? 2495 ((ioc->facts.FWVersion.Struct.Dev / 10) + '0') : '0'; 2496 karg.fw_version[10] = (ioc->facts.FWVersion.Struct.Dev % 10 ) + '0'; 2497 karg.fw_version[11] = '\0'; 2498 2499 /* Issue a config request to get the device serial number 2500 */ 2501 hdr.PageVersion = 0; 2502 hdr.PageLength = 0; 2503 hdr.PageNumber = 0; 2504 hdr.PageType = MPI_CONFIG_PAGETYPE_MANUFACTURING; 2505 cfg.cfghdr.hdr = &hdr; 2506 cfg.physAddr = -1; 2507 cfg.pageAddr = 0; 2508 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 2509 cfg.dir = 0; /* read */ 2510 cfg.timeout = 10; 2511 2512 strncpy(karg.serial_number, " ", 24); 2513 if (mpt_config(ioc, &cfg) == 0) { 2514 if (cfg.cfghdr.hdr->PageLength > 0) { 2515 /* Issue the second config page request */ 2516 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 2517 2518 pbuf = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4, &buf_dma); 2519 if (pbuf) { 2520 cfg.physAddr = buf_dma; 2521 if (mpt_config(ioc, &cfg) == 0) { 2522 ManufacturingPage0_t *pdata = (ManufacturingPage0_t *) pbuf; 2523 if (strlen(pdata->BoardTracerNumber) > 1) { 2524 strncpy(karg.serial_number, pdata->BoardTracerNumber, 24); 2525 karg.serial_number[24-1]='\0'; 2526 } 2527 } 2528 pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, pbuf, buf_dma); 2529 pbuf = NULL; 2530 } 2531 } 2532 } 2533 rc = mpt_GetIocState(ioc, 1); 2534 switch (rc) { 2535 case MPI_IOC_STATE_OPERATIONAL: 2536 karg.ioc_status = HP_STATUS_OK; 2537 break; 2538 2539 case MPI_IOC_STATE_FAULT: 2540 karg.ioc_status = HP_STATUS_FAILED; 2541 break; 2542 2543 case MPI_IOC_STATE_RESET: 2544 case MPI_IOC_STATE_READY: 2545 default: 2546 karg.ioc_status = HP_STATUS_OTHER; 2547 break; 2548 } 2549 2550 karg.base_io_addr = pci_resource_start(pdev, 0); 2551 2552 if ((ioc->bus_type == SAS) || (ioc->bus_type == FC)) 2553 karg.bus_phys_width = HP_BUS_WIDTH_UNK; 2554 else 2555 karg.bus_phys_width = HP_BUS_WIDTH_16; 2556 2557 karg.hard_resets = 0; 2558 karg.soft_resets = 0; 2559 karg.timeouts = 0; 2560 if (ioc->sh != NULL) { 2561 MPT_SCSI_HOST *hd = shost_priv(ioc->sh); 2562 2563 if (hd && (cim_rev == 1)) { 2564 karg.hard_resets = ioc->hard_resets; 2565 karg.soft_resets = ioc->soft_resets; 2566 karg.timeouts = ioc->timeouts; 2567 } 2568 } 2569 2570 /* 2571 * Gather ISTWI(Industry Standard Two Wire Interface) Data 2572 */ 2573 if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) { 2574 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT 2575 "%s, no msg frames!!\n", ioc->name, __func__)); 2576 goto out; 2577 } 2578 2579 IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf; 2580 msgcontext = IstwiRWRequest->MsgContext; 2581 memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t)); 2582 IstwiRWRequest->MsgContext = msgcontext; 2583 IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX; 2584 IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL; 2585 IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ; 2586 IstwiRWRequest->NumAddressBytes = 0x01; 2587 IstwiRWRequest->DataLength = cpu_to_le16(0x04); 2588 if (pdev->devfn & 1) 2589 IstwiRWRequest->DeviceAddr = 0xB2; 2590 else 2591 IstwiRWRequest->DeviceAddr = 0xB0; 2592 2593 pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma); 2594 if (!pbuf) 2595 goto out; 2596 ioc->add_sge((char *)&IstwiRWRequest->SGL, 2597 (MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma); 2598 2599 retval = 0; 2600 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 2601 IstwiRWRequest->MsgContext); 2602 INITIALIZE_MGMT_STATUS(ioc->ioctl_cmds.status) 2603 mpt_put_msg_frame(mptctl_id, ioc, mf); 2604 2605 retry_wait: 2606 timeleft = wait_for_completion_timeout(&ioc->ioctl_cmds.done, 2607 HZ*MPT_IOCTL_DEFAULT_TIMEOUT); 2608 if (!(ioc->ioctl_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 2609 retval = -ETIME; 2610 printk(MYIOC_s_WARN_FMT "%s: failed\n", ioc->name, __func__); 2611 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) { 2612 mpt_free_msg_frame(ioc, mf); 2613 goto out; 2614 } 2615 if (!timeleft) { 2616 printk(MYIOC_s_WARN_FMT 2617 "HOST INFO command timeout, doorbell=0x%08x\n", 2618 ioc->name, mpt_GetIocState(ioc, 0)); 2619 mptctl_timeout_expired(ioc, mf); 2620 } else 2621 goto retry_wait; 2622 goto out; 2623 } 2624 2625 /* 2626 *ISTWI Data Definition 2627 * pbuf[0] = FW_VERSION = 0x4 2628 * pbuf[1] = Bay Count = 6 or 4 or 2, depending on 2629 * the config, you should be seeing one out of these three values 2630 * pbuf[2] = Drive Installed Map = bit pattern depend on which 2631 * bays have drives in them 2632 * pbuf[3] = Checksum (0x100 = (byte0 + byte2 + byte3) 2633 */ 2634 if (ioc->ioctl_cmds.status & MPT_MGMT_STATUS_RF_VALID) 2635 karg.rsvd = *(u32 *)pbuf; 2636 2637 out: 2638 CLEAR_MGMT_STATUS(ioc->ioctl_cmds.status) 2639 SET_MGMT_MSG_CONTEXT(ioc->ioctl_cmds.msg_context, 0); 2640 2641 if (pbuf) 2642 pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma); 2643 2644 /* Copy the data from kernel memory to user memory 2645 */ 2646 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) { 2647 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hpgethostinfo - " 2648 "Unable to write out hp_host_info @ %p\n", 2649 ioc->name, __FILE__, __LINE__, uarg); 2650 return -EFAULT; 2651 } 2652 2653 return 0; 2654 2655 } 2656 2657 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2658 /* Prototype Routine for the TARGET INFO command. 2659 * 2660 * Outputs: None. 2661 * Return: 0 if successful 2662 * -EFAULT if data unavailable 2663 * -EBUSY if previous command timeout and IOC reset is not complete. 2664 * -ENODEV if no such device/adapter 2665 * -ETIME if timer expires 2666 * -ENOMEM if memory allocation error 2667 */ 2668 static int 2669 mptctl_hp_targetinfo(unsigned long arg) 2670 { 2671 hp_target_info_t __user *uarg = (void __user *) arg; 2672 SCSIDevicePage0_t *pg0_alloc; 2673 SCSIDevicePage3_t *pg3_alloc; 2674 MPT_ADAPTER *ioc; 2675 MPT_SCSI_HOST *hd = NULL; 2676 hp_target_info_t karg; 2677 int iocnum; 2678 int data_sz; 2679 dma_addr_t page_dma; 2680 CONFIGPARMS cfg; 2681 ConfigPageHeader_t hdr; 2682 int tmp, np, rc = 0; 2683 2684 if (copy_from_user(&karg, uarg, sizeof(hp_target_info_t))) { 2685 printk(KERN_ERR MYNAM "%s@%d::mptctl_hp_targetinfo - " 2686 "Unable to read in hp_host_targetinfo struct @ %p\n", 2687 __FILE__, __LINE__, uarg); 2688 return -EFAULT; 2689 } 2690 2691 if (((iocnum = mpt_verify_adapter(karg.hdr.iocnum, &ioc)) < 0) || 2692 (ioc == NULL)) { 2693 printk(KERN_DEBUG MYNAM "%s::mptctl_hp_targetinfo() @%d - ioc%d not found!\n", 2694 __FILE__, __LINE__, iocnum); 2695 return -ENODEV; 2696 } 2697 dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_hp_targetinfo called.\n", 2698 ioc->name)); 2699 2700 /* There is nothing to do for FCP parts. 2701 */ 2702 if ((ioc->bus_type == SAS) || (ioc->bus_type == FC)) 2703 return 0; 2704 2705 if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL)) 2706 return 0; 2707 2708 if (ioc->sh->host_no != karg.hdr.host) 2709 return -ENODEV; 2710 2711 /* Get the data transfer speeds 2712 */ 2713 data_sz = ioc->spi_data.sdp0length * 4; 2714 pg0_alloc = (SCSIDevicePage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma); 2715 if (pg0_alloc) { 2716 hdr.PageVersion = ioc->spi_data.sdp0version; 2717 hdr.PageLength = data_sz; 2718 hdr.PageNumber = 0; 2719 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; 2720 2721 cfg.cfghdr.hdr = &hdr; 2722 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 2723 cfg.dir = 0; 2724 cfg.timeout = 0; 2725 cfg.physAddr = page_dma; 2726 2727 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; 2728 2729 if ((rc = mpt_config(ioc, &cfg)) == 0) { 2730 np = le32_to_cpu(pg0_alloc->NegotiatedParameters); 2731 karg.negotiated_width = np & MPI_SCSIDEVPAGE0_NP_WIDE ? 2732 HP_BUS_WIDTH_16 : HP_BUS_WIDTH_8; 2733 2734 if (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) { 2735 tmp = (np & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8; 2736 if (tmp < 0x09) 2737 karg.negotiated_speed = HP_DEV_SPEED_ULTRA320; 2738 else if (tmp <= 0x09) 2739 karg.negotiated_speed = HP_DEV_SPEED_ULTRA160; 2740 else if (tmp <= 0x0A) 2741 karg.negotiated_speed = HP_DEV_SPEED_ULTRA2; 2742 else if (tmp <= 0x0C) 2743 karg.negotiated_speed = HP_DEV_SPEED_ULTRA; 2744 else if (tmp <= 0x25) 2745 karg.negotiated_speed = HP_DEV_SPEED_FAST; 2746 else 2747 karg.negotiated_speed = HP_DEV_SPEED_ASYNC; 2748 } else 2749 karg.negotiated_speed = HP_DEV_SPEED_ASYNC; 2750 } 2751 2752 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg0_alloc, page_dma); 2753 } 2754 2755 /* Set defaults 2756 */ 2757 karg.message_rejects = -1; 2758 karg.phase_errors = -1; 2759 karg.parity_errors = -1; 2760 karg.select_timeouts = -1; 2761 2762 /* Get the target error parameters 2763 */ 2764 hdr.PageVersion = 0; 2765 hdr.PageLength = 0; 2766 hdr.PageNumber = 3; 2767 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; 2768 2769 cfg.cfghdr.hdr = &hdr; 2770 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 2771 cfg.dir = 0; 2772 cfg.timeout = 0; 2773 cfg.physAddr = -1; 2774 if ((mpt_config(ioc, &cfg) == 0) && (cfg.cfghdr.hdr->PageLength > 0)) { 2775 /* Issue the second config page request */ 2776 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 2777 data_sz = (int) cfg.cfghdr.hdr->PageLength * 4; 2778 pg3_alloc = (SCSIDevicePage3_t *) pci_alloc_consistent( 2779 ioc->pcidev, data_sz, &page_dma); 2780 if (pg3_alloc) { 2781 cfg.physAddr = page_dma; 2782 cfg.pageAddr = (karg.hdr.channel << 8) | karg.hdr.id; 2783 if ((rc = mpt_config(ioc, &cfg)) == 0) { 2784 karg.message_rejects = (u32) le16_to_cpu(pg3_alloc->MsgRejectCount); 2785 karg.phase_errors = (u32) le16_to_cpu(pg3_alloc->PhaseErrorCount); 2786 karg.parity_errors = (u32) le16_to_cpu(pg3_alloc->ParityErrorCount); 2787 } 2788 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) pg3_alloc, page_dma); 2789 } 2790 } 2791 hd = shost_priv(ioc->sh); 2792 if (hd != NULL) 2793 karg.select_timeouts = hd->sel_timeout[karg.hdr.id]; 2794 2795 /* Copy the data from kernel memory to user memory 2796 */ 2797 if (copy_to_user((char __user *)arg, &karg, sizeof(hp_target_info_t))) { 2798 printk(MYIOC_s_ERR_FMT "%s@%d::mptctl_hp_target_info - " 2799 "Unable to write out mpt_ioctl_targetinfo struct @ %p\n", 2800 ioc->name, __FILE__, __LINE__, uarg); 2801 return -EFAULT; 2802 } 2803 2804 return 0; 2805 } 2806 2807 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2808 2809 static const struct file_operations mptctl_fops = { 2810 .owner = THIS_MODULE, 2811 .llseek = no_llseek, 2812 .fasync = mptctl_fasync, 2813 .unlocked_ioctl = mptctl_ioctl, 2814 #ifdef CONFIG_COMPAT 2815 .compat_ioctl = compat_mpctl_ioctl, 2816 #endif 2817 }; 2818 2819 static struct miscdevice mptctl_miscdev = { 2820 MPT_MINOR, 2821 MYNAM, 2822 &mptctl_fops 2823 }; 2824 2825 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2826 2827 #ifdef CONFIG_COMPAT 2828 2829 static int 2830 compat_mptfwxfer_ioctl(struct file *filp, unsigned int cmd, 2831 unsigned long arg) 2832 { 2833 struct mpt_fw_xfer32 kfw32; 2834 struct mpt_fw_xfer kfw; 2835 MPT_ADAPTER *iocp = NULL; 2836 int iocnum, iocnumX; 2837 int nonblock = (filp->f_flags & O_NONBLOCK); 2838 int ret; 2839 2840 2841 if (copy_from_user(&kfw32, (char __user *)arg, sizeof(kfw32))) 2842 return -EFAULT; 2843 2844 /* Verify intended MPT adapter */ 2845 iocnumX = kfw32.iocnum & 0xFF; 2846 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || 2847 (iocp == NULL)) { 2848 printk(KERN_DEBUG MYNAM "::compat_mptfwxfer_ioctl @%d - ioc%d not found!\n", 2849 __LINE__, iocnumX); 2850 return -ENODEV; 2851 } 2852 2853 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) 2854 return ret; 2855 2856 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mptfwxfer_ioctl() called\n", 2857 iocp->name)); 2858 kfw.iocnum = iocnum; 2859 kfw.fwlen = kfw32.fwlen; 2860 kfw.bufp = compat_ptr(kfw32.bufp); 2861 2862 ret = mptctl_do_fw_download(kfw.iocnum, kfw.bufp, kfw.fwlen); 2863 2864 mutex_unlock(&iocp->ioctl_cmds.mutex); 2865 2866 return ret; 2867 } 2868 2869 static int 2870 compat_mpt_command(struct file *filp, unsigned int cmd, 2871 unsigned long arg) 2872 { 2873 struct mpt_ioctl_command32 karg32; 2874 struct mpt_ioctl_command32 __user *uarg = (struct mpt_ioctl_command32 __user *) arg; 2875 struct mpt_ioctl_command karg; 2876 MPT_ADAPTER *iocp = NULL; 2877 int iocnum, iocnumX; 2878 int nonblock = (filp->f_flags & O_NONBLOCK); 2879 int ret; 2880 2881 if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) 2882 return -EFAULT; 2883 2884 /* Verify intended MPT adapter */ 2885 iocnumX = karg32.hdr.iocnum & 0xFF; 2886 if (((iocnum = mpt_verify_adapter(iocnumX, &iocp)) < 0) || 2887 (iocp == NULL)) { 2888 printk(KERN_DEBUG MYNAM "::compat_mpt_command @%d - ioc%d not found!\n", 2889 __LINE__, iocnumX); 2890 return -ENODEV; 2891 } 2892 2893 if ((ret = mptctl_syscall_down(iocp, nonblock)) != 0) 2894 return ret; 2895 2896 dctlprintk(iocp, printk(MYIOC_s_DEBUG_FMT "compat_mpt_command() called\n", 2897 iocp->name)); 2898 /* Copy data to karg */ 2899 karg.hdr.iocnum = karg32.hdr.iocnum; 2900 karg.hdr.port = karg32.hdr.port; 2901 karg.timeout = karg32.timeout; 2902 karg.maxReplyBytes = karg32.maxReplyBytes; 2903 2904 karg.dataInSize = karg32.dataInSize; 2905 karg.dataOutSize = karg32.dataOutSize; 2906 karg.maxSenseBytes = karg32.maxSenseBytes; 2907 karg.dataSgeOffset = karg32.dataSgeOffset; 2908 2909 karg.replyFrameBufPtr = (char __user *)(unsigned long)karg32.replyFrameBufPtr; 2910 karg.dataInBufPtr = (char __user *)(unsigned long)karg32.dataInBufPtr; 2911 karg.dataOutBufPtr = (char __user *)(unsigned long)karg32.dataOutBufPtr; 2912 karg.senseDataPtr = (char __user *)(unsigned long)karg32.senseDataPtr; 2913 2914 /* Pass new structure to do_mpt_command 2915 */ 2916 ret = mptctl_do_mpt_command (karg, &uarg->MF); 2917 2918 mutex_unlock(&iocp->ioctl_cmds.mutex); 2919 2920 return ret; 2921 } 2922 2923 static long compat_mpctl_ioctl(struct file *f, unsigned int cmd, unsigned long arg) 2924 { 2925 long ret; 2926 mutex_lock(&mpctl_mutex); 2927 switch (cmd) { 2928 case MPTIOCINFO: 2929 case MPTIOCINFO1: 2930 case MPTIOCINFO2: 2931 case MPTTARGETINFO: 2932 case MPTEVENTQUERY: 2933 case MPTEVENTENABLE: 2934 case MPTEVENTREPORT: 2935 case MPTHARDRESET: 2936 case HP_GETHOSTINFO: 2937 case HP_GETTARGETINFO: 2938 case MPTTEST: 2939 ret = __mptctl_ioctl(f, cmd, arg); 2940 break; 2941 case MPTCOMMAND32: 2942 ret = compat_mpt_command(f, cmd, arg); 2943 break; 2944 case MPTFWDOWNLOAD32: 2945 ret = compat_mptfwxfer_ioctl(f, cmd, arg); 2946 break; 2947 default: 2948 ret = -ENOIOCTLCMD; 2949 break; 2950 } 2951 mutex_unlock(&mpctl_mutex); 2952 return ret; 2953 } 2954 2955 #endif 2956 2957 2958 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2959 /* 2960 * mptctl_probe - Installs ioctl devices per bus. 2961 * @pdev: Pointer to pci_dev structure 2962 * 2963 * Returns 0 for success, non-zero for failure. 2964 * 2965 */ 2966 2967 static int 2968 mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id) 2969 { 2970 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 2971 2972 mutex_init(&ioc->ioctl_cmds.mutex); 2973 init_completion(&ioc->ioctl_cmds.done); 2974 return 0; 2975 } 2976 2977 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2978 /* 2979 * mptctl_remove - Removed ioctl devices 2980 * @pdev: Pointer to pci_dev structure 2981 * 2982 * 2983 */ 2984 static void 2985 mptctl_remove(struct pci_dev *pdev) 2986 { 2987 } 2988 2989 static struct mpt_pci_driver mptctl_driver = { 2990 .probe = mptctl_probe, 2991 .remove = mptctl_remove, 2992 }; 2993 2994 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2995 static int __init mptctl_init(void) 2996 { 2997 int err; 2998 int where = 1; 2999 3000 show_mptmod_ver(my_NAME, my_VERSION); 3001 3002 mpt_device_driver_register(&mptctl_driver, MPTCTL_DRIVER); 3003 3004 /* Register this device */ 3005 err = misc_register(&mptctl_miscdev); 3006 if (err < 0) { 3007 printk(KERN_ERR MYNAM ": Can't register misc device [minor=%d].\n", MPT_MINOR); 3008 goto out_fail; 3009 } 3010 printk(KERN_INFO MYNAM ": Registered with Fusion MPT base driver\n"); 3011 printk(KERN_INFO MYNAM ": /dev/%s @ (major,minor=%d,%d)\n", 3012 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); 3013 3014 /* 3015 * Install our handler 3016 */ 3017 ++where; 3018 mptctl_id = mpt_register(mptctl_reply, MPTCTL_DRIVER, 3019 "mptctl_reply"); 3020 if (!mptctl_id || mptctl_id >= MPT_MAX_PROTOCOL_DRIVERS) { 3021 printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n"); 3022 misc_deregister(&mptctl_miscdev); 3023 err = -EBUSY; 3024 goto out_fail; 3025 } 3026 3027 mptctl_taskmgmt_id = mpt_register(mptctl_taskmgmt_reply, MPTCTL_DRIVER, 3028 "mptctl_taskmgmt_reply"); 3029 if (!mptctl_taskmgmt_id || mptctl_taskmgmt_id >= MPT_MAX_PROTOCOL_DRIVERS) { 3030 printk(KERN_ERR MYNAM ": ERROR: Failed to register with Fusion MPT base driver\n"); 3031 mpt_deregister(mptctl_id); 3032 misc_deregister(&mptctl_miscdev); 3033 err = -EBUSY; 3034 goto out_fail; 3035 } 3036 3037 mpt_reset_register(mptctl_id, mptctl_ioc_reset); 3038 mpt_event_register(mptctl_id, mptctl_event_process); 3039 3040 return 0; 3041 3042 out_fail: 3043 3044 mpt_device_driver_deregister(MPTCTL_DRIVER); 3045 3046 return err; 3047 } 3048 3049 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3050 static void mptctl_exit(void) 3051 { 3052 misc_deregister(&mptctl_miscdev); 3053 printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n", 3054 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor); 3055 3056 /* De-register event handler from base module */ 3057 mpt_event_deregister(mptctl_id); 3058 3059 /* De-register reset handler from base module */ 3060 mpt_reset_deregister(mptctl_id); 3061 3062 /* De-register callback handler from base module */ 3063 mpt_deregister(mptctl_taskmgmt_id); 3064 mpt_deregister(mptctl_id); 3065 3066 mpt_device_driver_deregister(MPTCTL_DRIVER); 3067 3068 } 3069 3070 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 3071 3072 module_init(mptctl_init); 3073 module_exit(mptctl_exit); 3074