1 /* 2 * linux/drivers/message/fusion/mptsas.c 3 * For use with LSI PCI chip/adapter(s) 4 * running LSI Fusion MPT (Message Passing Technology) firmware. 5 * 6 * Copyright (c) 1999-2008 LSI Corporation 7 * (mailto:DL-MPTFusionLinux@lsi.com) 8 */ 9 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 10 /* 11 This program is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; version 2 of the License. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 NO WARRANTY 21 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR 22 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT 23 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, 24 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is 25 solely responsible for determining the appropriateness of using and 26 distributing the Program and assumes all risks associated with its 27 exercise of rights under this Agreement, including but not limited to 28 the risks and costs of program errors, damage to or loss of data, 29 programs or equipment, and unavailability or interruption of operations. 30 31 DISCLAIMER OF LIABILITY 32 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY 33 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND 35 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 36 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 37 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED 38 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES 39 40 You should have received a copy of the GNU General Public License 41 along with this program; if not, write to the Free Software 42 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 43 */ 44 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 45 46 #include <linux/module.h> 47 #include <linux/kernel.h> 48 #include <linux/slab.h> 49 #include <linux/init.h> 50 #include <linux/errno.h> 51 #include <linux/jiffies.h> 52 #include <linux/workqueue.h> 53 #include <linux/delay.h> /* for mdelay */ 54 55 #include <scsi/scsi.h> 56 #include <scsi/scsi_cmnd.h> 57 #include <scsi/scsi_device.h> 58 #include <scsi/scsi_host.h> 59 #include <scsi/scsi_transport_sas.h> 60 #include <scsi/scsi_transport.h> 61 #include <scsi/scsi_dbg.h> 62 63 #include "mptbase.h" 64 #include "mptscsih.h" 65 #include "mptsas.h" 66 67 68 #define my_NAME "Fusion MPT SAS Host driver" 69 #define my_VERSION MPT_LINUX_VERSION_COMMON 70 #define MYNAM "mptsas" 71 72 /* 73 * Reserved channel for integrated raid 74 */ 75 #define MPTSAS_RAID_CHANNEL 1 76 77 #define SAS_CONFIG_PAGE_TIMEOUT 30 78 MODULE_AUTHOR(MODULEAUTHOR); 79 MODULE_DESCRIPTION(my_NAME); 80 MODULE_LICENSE("GPL"); 81 MODULE_VERSION(my_VERSION); 82 83 static int mpt_pt_clear; 84 module_param(mpt_pt_clear, int, 0); 85 MODULE_PARM_DESC(mpt_pt_clear, 86 " Clear persistency table: enable=1 " 87 "(default=MPTSCSIH_PT_CLEAR=0)"); 88 89 /* scsi-mid layer global parameter is max_report_luns, which is 511 */ 90 #define MPTSAS_MAX_LUN (16895) 91 static int max_lun = MPTSAS_MAX_LUN; 92 module_param(max_lun, int, 0); 93 MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); 94 95 static int mpt_loadtime_max_sectors = 8192; 96 module_param(mpt_loadtime_max_sectors, int, 0); 97 MODULE_PARM_DESC(mpt_loadtime_max_sectors, 98 " Maximum sector define for Host Bus Adaptor.Range 64 to 8192 default=8192"); 99 100 static u8 mptsasDoneCtx = MPT_MAX_PROTOCOL_DRIVERS; 101 static u8 mptsasTaskCtx = MPT_MAX_PROTOCOL_DRIVERS; 102 static u8 mptsasInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */ 103 static u8 mptsasMgmtCtx = MPT_MAX_PROTOCOL_DRIVERS; 104 static u8 mptsasDeviceResetCtx = MPT_MAX_PROTOCOL_DRIVERS; 105 106 static void mptsas_firmware_event_work(struct work_struct *work); 107 static void mptsas_send_sas_event(struct fw_event_work *fw_event); 108 static void mptsas_send_raid_event(struct fw_event_work *fw_event); 109 static void mptsas_send_ir2_event(struct fw_event_work *fw_event); 110 static void mptsas_parse_device_info(struct sas_identify *identify, 111 struct mptsas_devinfo *device_info); 112 static inline void mptsas_set_rphy(MPT_ADAPTER *ioc, 113 struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy); 114 static struct mptsas_phyinfo *mptsas_find_phyinfo_by_sas_address 115 (MPT_ADAPTER *ioc, u64 sas_address); 116 static int mptsas_sas_device_pg0(MPT_ADAPTER *ioc, 117 struct mptsas_devinfo *device_info, u32 form, u32 form_specific); 118 static int mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, 119 struct mptsas_enclosure *enclosure, u32 form, u32 form_specific); 120 static int mptsas_add_end_device(MPT_ADAPTER *ioc, 121 struct mptsas_phyinfo *phy_info); 122 static void mptsas_del_end_device(MPT_ADAPTER *ioc, 123 struct mptsas_phyinfo *phy_info); 124 static void mptsas_send_link_status_event(struct fw_event_work *fw_event); 125 static struct mptsas_portinfo *mptsas_find_portinfo_by_sas_address 126 (MPT_ADAPTER *ioc, u64 sas_address); 127 static void mptsas_expander_delete(MPT_ADAPTER *ioc, 128 struct mptsas_portinfo *port_info, u8 force); 129 static void mptsas_send_expander_event(struct fw_event_work *fw_event); 130 static void mptsas_not_responding_devices(MPT_ADAPTER *ioc); 131 static void mptsas_scan_sas_topology(MPT_ADAPTER *ioc); 132 static void mptsas_broadcast_primitive_work(struct fw_event_work *fw_event); 133 static void mptsas_handle_queue_full_event(struct fw_event_work *fw_event); 134 static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id); 135 void mptsas_schedule_target_reset(void *ioc); 136 137 static void mptsas_print_phy_data(MPT_ADAPTER *ioc, 138 MPI_SAS_IO_UNIT0_PHY_DATA *phy_data) 139 { 140 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT 141 "---- IO UNIT PAGE 0 ------------\n", ioc->name)); 142 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n", 143 ioc->name, le16_to_cpu(phy_data->AttachedDeviceHandle))); 144 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Controller Handle=0x%X\n", 145 ioc->name, le16_to_cpu(phy_data->ControllerDevHandle))); 146 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port=0x%X\n", 147 ioc->name, phy_data->Port)); 148 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Port Flags=0x%X\n", 149 ioc->name, phy_data->PortFlags)); 150 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Flags=0x%X\n", 151 ioc->name, phy_data->PhyFlags)); 152 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n", 153 ioc->name, phy_data->NegotiatedLinkRate)); 154 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT 155 "Controller PHY Device Info=0x%X\n", ioc->name, 156 le32_to_cpu(phy_data->ControllerPhyDeviceInfo))); 157 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "DiscoveryStatus=0x%X\n\n", 158 ioc->name, le32_to_cpu(phy_data->DiscoveryStatus))); 159 } 160 161 static void mptsas_print_phy_pg0(MPT_ADAPTER *ioc, SasPhyPage0_t *pg0) 162 { 163 __le64 sas_address; 164 165 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64)); 166 167 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT 168 "---- SAS PHY PAGE 0 ------------\n", ioc->name)); 169 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT 170 "Attached Device Handle=0x%X\n", ioc->name, 171 le16_to_cpu(pg0->AttachedDevHandle))); 172 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n", 173 ioc->name, (unsigned long long)le64_to_cpu(sas_address))); 174 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT 175 "Attached PHY Identifier=0x%X\n", ioc->name, 176 pg0->AttachedPhyIdentifier)); 177 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Attached Device Info=0x%X\n", 178 ioc->name, le32_to_cpu(pg0->AttachedDeviceInfo))); 179 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n", 180 ioc->name, pg0->ProgrammedLinkRate)); 181 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Change Count=0x%X\n", 182 ioc->name, pg0->ChangeCount)); 183 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Info=0x%X\n\n", 184 ioc->name, le32_to_cpu(pg0->PhyInfo))); 185 } 186 187 static void mptsas_print_phy_pg1(MPT_ADAPTER *ioc, SasPhyPage1_t *pg1) 188 { 189 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT 190 "---- SAS PHY PAGE 1 ------------\n", ioc->name)); 191 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Invalid Dword Count=0x%x\n", 192 ioc->name, pg1->InvalidDwordCount)); 193 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT 194 "Running Disparity Error Count=0x%x\n", ioc->name, 195 pg1->RunningDisparityErrorCount)); 196 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT 197 "Loss Dword Synch Count=0x%x\n", ioc->name, 198 pg1->LossDwordSynchCount)); 199 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT 200 "PHY Reset Problem Count=0x%x\n\n", ioc->name, 201 pg1->PhyResetProblemCount)); 202 } 203 204 static void mptsas_print_device_pg0(MPT_ADAPTER *ioc, SasDevicePage0_t *pg0) 205 { 206 __le64 sas_address; 207 208 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64)); 209 210 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT 211 "---- SAS DEVICE PAGE 0 ---------\n", ioc->name)); 212 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Handle=0x%X\n", 213 ioc->name, le16_to_cpu(pg0->DevHandle))); 214 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Handle=0x%X\n", 215 ioc->name, le16_to_cpu(pg0->ParentDevHandle))); 216 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Enclosure Handle=0x%X\n", 217 ioc->name, le16_to_cpu(pg0->EnclosureHandle))); 218 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Slot=0x%X\n", 219 ioc->name, le16_to_cpu(pg0->Slot))); 220 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SAS Address=0x%llX\n", 221 ioc->name, (unsigned long long)le64_to_cpu(sas_address))); 222 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Target ID=0x%X\n", 223 ioc->name, pg0->TargetID)); 224 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Bus=0x%X\n", 225 ioc->name, pg0->Bus)); 226 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Parent Phy Num=0x%X\n", 227 ioc->name, pg0->PhyNum)); 228 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Access Status=0x%X\n", 229 ioc->name, le16_to_cpu(pg0->AccessStatus))); 230 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Device Info=0x%X\n", 231 ioc->name, le32_to_cpu(pg0->DeviceInfo))); 232 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Flags=0x%X\n", 233 ioc->name, le16_to_cpu(pg0->Flags))); 234 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n\n", 235 ioc->name, pg0->PhysicalPort)); 236 } 237 238 static void mptsas_print_expander_pg1(MPT_ADAPTER *ioc, SasExpanderPage1_t *pg1) 239 { 240 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT 241 "---- SAS EXPANDER PAGE 1 ------------\n", ioc->name)); 242 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Physical Port=0x%X\n", 243 ioc->name, pg1->PhysicalPort)); 244 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "PHY Identifier=0x%X\n", 245 ioc->name, pg1->PhyIdentifier)); 246 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Negotiated Link Rate=0x%X\n", 247 ioc->name, pg1->NegotiatedLinkRate)); 248 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Programmed Link Rate=0x%X\n", 249 ioc->name, pg1->ProgrammedLinkRate)); 250 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hardware Link Rate=0x%X\n", 251 ioc->name, pg1->HwLinkRate)); 252 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Owner Device Handle=0x%X\n", 253 ioc->name, le16_to_cpu(pg1->OwnerDevHandle))); 254 dsasprintk(ioc, printk(MYIOC_s_DEBUG_FMT 255 "Attached Device Handle=0x%X\n\n", ioc->name, 256 le16_to_cpu(pg1->AttachedDevHandle))); 257 } 258 259 /* inhibit sas firmware event handling */ 260 static void 261 mptsas_fw_event_off(MPT_ADAPTER *ioc) 262 { 263 unsigned long flags; 264 265 spin_lock_irqsave(&ioc->fw_event_lock, flags); 266 ioc->fw_events_off = 1; 267 ioc->sas_discovery_quiesce_io = 0; 268 spin_unlock_irqrestore(&ioc->fw_event_lock, flags); 269 270 } 271 272 /* enable sas firmware event handling */ 273 static void 274 mptsas_fw_event_on(MPT_ADAPTER *ioc) 275 { 276 unsigned long flags; 277 278 spin_lock_irqsave(&ioc->fw_event_lock, flags); 279 ioc->fw_events_off = 0; 280 spin_unlock_irqrestore(&ioc->fw_event_lock, flags); 281 } 282 283 /* queue a sas firmware event */ 284 static void 285 mptsas_add_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event, 286 unsigned long delay) 287 { 288 unsigned long flags; 289 290 spin_lock_irqsave(&ioc->fw_event_lock, flags); 291 list_add_tail(&fw_event->list, &ioc->fw_event_list); 292 fw_event->users = 1; 293 INIT_DELAYED_WORK(&fw_event->work, mptsas_firmware_event_work); 294 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: add (fw_event=0x%p)" 295 "on cpuid %d\n", ioc->name, __func__, 296 fw_event, smp_processor_id())); 297 queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q, 298 &fw_event->work, delay); 299 spin_unlock_irqrestore(&ioc->fw_event_lock, flags); 300 } 301 302 /* requeue a sas firmware event */ 303 static void 304 mptsas_requeue_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event, 305 unsigned long delay) 306 { 307 unsigned long flags; 308 spin_lock_irqsave(&ioc->fw_event_lock, flags); 309 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: reschedule task " 310 "(fw_event=0x%p)on cpuid %d\n", ioc->name, __func__, 311 fw_event, smp_processor_id())); 312 fw_event->retries++; 313 queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q, 314 &fw_event->work, msecs_to_jiffies(delay)); 315 spin_unlock_irqrestore(&ioc->fw_event_lock, flags); 316 } 317 318 static void __mptsas_free_fw_event(MPT_ADAPTER *ioc, 319 struct fw_event_work *fw_event) 320 { 321 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: kfree (fw_event=0x%p)\n", 322 ioc->name, __func__, fw_event)); 323 list_del(&fw_event->list); 324 kfree(fw_event); 325 } 326 327 /* free memory associated to a sas firmware event */ 328 static void 329 mptsas_free_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event) 330 { 331 unsigned long flags; 332 333 spin_lock_irqsave(&ioc->fw_event_lock, flags); 334 fw_event->users--; 335 if (!fw_event->users) 336 __mptsas_free_fw_event(ioc, fw_event); 337 spin_unlock_irqrestore(&ioc->fw_event_lock, flags); 338 } 339 340 /* walk the firmware event queue, and either stop or wait for 341 * outstanding events to complete */ 342 static void 343 mptsas_cleanup_fw_event_q(MPT_ADAPTER *ioc) 344 { 345 struct fw_event_work *fw_event; 346 struct mptsas_target_reset_event *target_reset_list, *n; 347 MPT_SCSI_HOST *hd = shost_priv(ioc->sh); 348 unsigned long flags; 349 350 /* flush the target_reset_list */ 351 if (!list_empty(&hd->target_reset_list)) { 352 list_for_each_entry_safe(target_reset_list, n, 353 &hd->target_reset_list, list) { 354 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 355 "%s: removing target reset for id=%d\n", 356 ioc->name, __func__, 357 target_reset_list->sas_event_data.TargetID)); 358 list_del(&target_reset_list->list); 359 kfree(target_reset_list); 360 } 361 } 362 363 if (list_empty(&ioc->fw_event_list) || !ioc->fw_event_q) 364 return; 365 366 spin_lock_irqsave(&ioc->fw_event_lock, flags); 367 368 while (!list_empty(&ioc->fw_event_list)) { 369 bool canceled = false; 370 371 fw_event = list_first_entry(&ioc->fw_event_list, 372 struct fw_event_work, list); 373 fw_event->users++; 374 spin_unlock_irqrestore(&ioc->fw_event_lock, flags); 375 if (cancel_delayed_work_sync(&fw_event->work)) 376 canceled = true; 377 378 spin_lock_irqsave(&ioc->fw_event_lock, flags); 379 if (canceled) 380 fw_event->users--; 381 fw_event->users--; 382 WARN_ON_ONCE(fw_event->users); 383 __mptsas_free_fw_event(ioc, fw_event); 384 } 385 spin_unlock_irqrestore(&ioc->fw_event_lock, flags); 386 } 387 388 389 static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy) 390 { 391 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); 392 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc; 393 } 394 395 static inline MPT_ADAPTER *rphy_to_ioc(struct sas_rphy *rphy) 396 { 397 struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent); 398 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc; 399 } 400 401 /* 402 * mptsas_find_portinfo_by_handle 403 * 404 * This function should be called with the sas_topology_mutex already held 405 */ 406 static struct mptsas_portinfo * 407 mptsas_find_portinfo_by_handle(MPT_ADAPTER *ioc, u16 handle) 408 { 409 struct mptsas_portinfo *port_info, *rc=NULL; 410 int i; 411 412 list_for_each_entry(port_info, &ioc->sas_topology, list) 413 for (i = 0; i < port_info->num_phys; i++) 414 if (port_info->phy_info[i].identify.handle == handle) { 415 rc = port_info; 416 goto out; 417 } 418 out: 419 return rc; 420 } 421 422 /** 423 * mptsas_find_portinfo_by_sas_address - find and return portinfo for 424 * this sas_address 425 * @ioc: Pointer to MPT_ADAPTER structure 426 * @sas_address: expander sas address 427 * 428 * This function should be called with the sas_topology_mutex already held. 429 * 430 * Return: %NULL if not found. 431 **/ 432 static struct mptsas_portinfo * 433 mptsas_find_portinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address) 434 { 435 struct mptsas_portinfo *port_info, *rc = NULL; 436 int i; 437 438 if (sas_address >= ioc->hba_port_sas_addr && 439 sas_address < (ioc->hba_port_sas_addr + 440 ioc->hba_port_num_phy)) 441 return ioc->hba_port_info; 442 443 mutex_lock(&ioc->sas_topology_mutex); 444 list_for_each_entry(port_info, &ioc->sas_topology, list) 445 for (i = 0; i < port_info->num_phys; i++) 446 if (port_info->phy_info[i].identify.sas_address == 447 sas_address) { 448 rc = port_info; 449 goto out; 450 } 451 out: 452 mutex_unlock(&ioc->sas_topology_mutex); 453 return rc; 454 } 455 456 /* 457 * Returns true if there is a scsi end device 458 */ 459 static inline int 460 mptsas_is_end_device(struct mptsas_devinfo * attached) 461 { 462 if ((attached->sas_address) && 463 (attached->device_info & 464 MPI_SAS_DEVICE_INFO_END_DEVICE) && 465 ((attached->device_info & 466 MPI_SAS_DEVICE_INFO_SSP_TARGET) | 467 (attached->device_info & 468 MPI_SAS_DEVICE_INFO_STP_TARGET) | 469 (attached->device_info & 470 MPI_SAS_DEVICE_INFO_SATA_DEVICE))) 471 return 1; 472 else 473 return 0; 474 } 475 476 /* no mutex */ 477 static void 478 mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details) 479 { 480 struct mptsas_portinfo *port_info; 481 struct mptsas_phyinfo *phy_info; 482 u8 i; 483 484 if (!port_details) 485 return; 486 487 port_info = port_details->port_info; 488 phy_info = port_info->phy_info; 489 490 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: [%p]: num_phys=%02d " 491 "bitmask=0x%016llX\n", ioc->name, __func__, port_details, 492 port_details->num_phys, (unsigned long long) 493 port_details->phy_bitmask)); 494 495 for (i = 0; i < port_info->num_phys; i++, phy_info++) { 496 if(phy_info->port_details != port_details) 497 continue; 498 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo)); 499 mptsas_set_rphy(ioc, phy_info, NULL); 500 phy_info->port_details = NULL; 501 } 502 kfree(port_details); 503 } 504 505 static inline struct sas_rphy * 506 mptsas_get_rphy(struct mptsas_phyinfo *phy_info) 507 { 508 if (phy_info->port_details) 509 return phy_info->port_details->rphy; 510 else 511 return NULL; 512 } 513 514 static inline void 515 mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy) 516 { 517 if (phy_info->port_details) { 518 phy_info->port_details->rphy = rphy; 519 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n", 520 ioc->name, rphy)); 521 } 522 523 if (rphy) { 524 dsaswideprintk(ioc, dev_printk(KERN_DEBUG, 525 &rphy->dev, MYIOC_s_FMT "add:", ioc->name)); 526 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n", 527 ioc->name, rphy, rphy->dev.release)); 528 } 529 } 530 531 static inline struct sas_port * 532 mptsas_get_port(struct mptsas_phyinfo *phy_info) 533 { 534 if (phy_info->port_details) 535 return phy_info->port_details->port; 536 else 537 return NULL; 538 } 539 540 static inline void 541 mptsas_set_port(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_port *port) 542 { 543 if (phy_info->port_details) 544 phy_info->port_details->port = port; 545 546 if (port) { 547 dsaswideprintk(ioc, dev_printk(KERN_DEBUG, 548 &port->dev, MYIOC_s_FMT "add:", ioc->name)); 549 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "port=%p release=%p\n", 550 ioc->name, port, port->dev.release)); 551 } 552 } 553 554 static inline struct scsi_target * 555 mptsas_get_starget(struct mptsas_phyinfo *phy_info) 556 { 557 if (phy_info->port_details) 558 return phy_info->port_details->starget; 559 else 560 return NULL; 561 } 562 563 static inline void 564 mptsas_set_starget(struct mptsas_phyinfo *phy_info, struct scsi_target * 565 starget) 566 { 567 if (phy_info->port_details) 568 phy_info->port_details->starget = starget; 569 } 570 571 /** 572 * mptsas_add_device_component - adds a new device component to our lists 573 * @ioc: Pointer to MPT_ADAPTER structure 574 * @channel: channel number 575 * @id: Logical Target ID for reset (if appropriate) 576 * @sas_address: expander sas address 577 * @device_info: specific bits (flags) for devices 578 * @slot: enclosure slot ID 579 * @enclosure_logical_id: enclosure WWN 580 * 581 **/ 582 static void 583 mptsas_add_device_component(MPT_ADAPTER *ioc, u8 channel, u8 id, 584 u64 sas_address, u32 device_info, u16 slot, u64 enclosure_logical_id) 585 { 586 struct mptsas_device_info *sas_info, *next; 587 struct scsi_device *sdev; 588 struct scsi_target *starget; 589 struct sas_rphy *rphy; 590 591 /* 592 * Delete all matching devices out of the list 593 */ 594 mutex_lock(&ioc->sas_device_info_mutex); 595 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list, 596 list) { 597 if (!sas_info->is_logical_volume && 598 (sas_info->sas_address == sas_address || 599 (sas_info->fw.channel == channel && 600 sas_info->fw.id == id))) { 601 list_del(&sas_info->list); 602 kfree(sas_info); 603 } 604 } 605 606 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL); 607 if (!sas_info) 608 goto out; 609 610 /* 611 * Set Firmware mapping 612 */ 613 sas_info->fw.id = id; 614 sas_info->fw.channel = channel; 615 616 sas_info->sas_address = sas_address; 617 sas_info->device_info = device_info; 618 sas_info->slot = slot; 619 sas_info->enclosure_logical_id = enclosure_logical_id; 620 INIT_LIST_HEAD(&sas_info->list); 621 list_add_tail(&sas_info->list, &ioc->sas_device_info_list); 622 623 /* 624 * Set OS mapping 625 */ 626 shost_for_each_device(sdev, ioc->sh) { 627 starget = scsi_target(sdev); 628 rphy = dev_to_rphy(starget->dev.parent); 629 if (rphy->identify.sas_address == sas_address) { 630 sas_info->os.id = starget->id; 631 sas_info->os.channel = starget->channel; 632 } 633 } 634 635 out: 636 mutex_unlock(&ioc->sas_device_info_mutex); 637 return; 638 } 639 640 /** 641 * mptsas_add_device_component_by_fw - adds a new device component by FW ID 642 * @ioc: Pointer to MPT_ADAPTER structure 643 * @channel: channel number 644 * @id: Logical Target ID 645 * 646 **/ 647 static void 648 mptsas_add_device_component_by_fw(MPT_ADAPTER *ioc, u8 channel, u8 id) 649 { 650 struct mptsas_devinfo sas_device; 651 struct mptsas_enclosure enclosure_info; 652 int rc; 653 654 rc = mptsas_sas_device_pg0(ioc, &sas_device, 655 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << 656 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 657 (channel << 8) + id); 658 if (rc) 659 return; 660 661 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure)); 662 mptsas_sas_enclosure_pg0(ioc, &enclosure_info, 663 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE << 664 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), 665 sas_device.handle_enclosure); 666 667 mptsas_add_device_component(ioc, sas_device.channel, 668 sas_device.id, sas_device.sas_address, sas_device.device_info, 669 sas_device.slot, enclosure_info.enclosure_logical_id); 670 } 671 672 /** 673 * mptsas_add_device_component_starget_ir - Handle Integrated RAID, adding each individual device to list 674 * @ioc: Pointer to MPT_ADAPTER structure 675 * @starget: SCSI target for this SCSI device 676 * 677 **/ 678 static void 679 mptsas_add_device_component_starget_ir(MPT_ADAPTER *ioc, 680 struct scsi_target *starget) 681 { 682 CONFIGPARMS cfg; 683 ConfigPageHeader_t hdr; 684 dma_addr_t dma_handle; 685 pRaidVolumePage0_t buffer = NULL; 686 int i; 687 RaidPhysDiskPage0_t phys_disk; 688 struct mptsas_device_info *sas_info, *next; 689 690 memset(&cfg, 0 , sizeof(CONFIGPARMS)); 691 memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); 692 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME; 693 /* assumption that all volumes on channel = 0 */ 694 cfg.pageAddr = starget->id; 695 cfg.cfghdr.hdr = &hdr; 696 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 697 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; 698 699 if (mpt_config(ioc, &cfg) != 0) 700 goto out; 701 702 if (!hdr.PageLength) 703 goto out; 704 705 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, 706 &dma_handle, GFP_KERNEL); 707 708 if (!buffer) 709 goto out; 710 711 cfg.physAddr = dma_handle; 712 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 713 714 if (mpt_config(ioc, &cfg) != 0) 715 goto out; 716 717 if (!buffer->NumPhysDisks) 718 goto out; 719 720 /* 721 * Adding entry for hidden components 722 */ 723 for (i = 0; i < buffer->NumPhysDisks; i++) { 724 725 if (mpt_raid_phys_disk_pg0(ioc, 726 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0) 727 continue; 728 729 mptsas_add_device_component_by_fw(ioc, phys_disk.PhysDiskBus, 730 phys_disk.PhysDiskID); 731 732 mutex_lock(&ioc->sas_device_info_mutex); 733 list_for_each_entry(sas_info, &ioc->sas_device_info_list, 734 list) { 735 if (!sas_info->is_logical_volume && 736 (sas_info->fw.channel == phys_disk.PhysDiskBus && 737 sas_info->fw.id == phys_disk.PhysDiskID)) { 738 sas_info->is_hidden_raid_component = 1; 739 sas_info->volume_id = starget->id; 740 } 741 } 742 mutex_unlock(&ioc->sas_device_info_mutex); 743 744 } 745 746 /* 747 * Delete all matching devices out of the list 748 */ 749 mutex_lock(&ioc->sas_device_info_mutex); 750 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list, 751 list) { 752 if (sas_info->is_logical_volume && sas_info->fw.id == 753 starget->id) { 754 list_del(&sas_info->list); 755 kfree(sas_info); 756 } 757 } 758 759 sas_info = kzalloc(sizeof(struct mptsas_device_info), GFP_KERNEL); 760 if (sas_info) { 761 sas_info->fw.id = starget->id; 762 sas_info->os.id = starget->id; 763 sas_info->os.channel = starget->channel; 764 sas_info->is_logical_volume = 1; 765 INIT_LIST_HEAD(&sas_info->list); 766 list_add_tail(&sas_info->list, &ioc->sas_device_info_list); 767 } 768 mutex_unlock(&ioc->sas_device_info_mutex); 769 770 out: 771 if (buffer) 772 dma_free_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, 773 buffer, dma_handle); 774 } 775 776 /** 777 * mptsas_add_device_component_starget - adds a SCSI target device component 778 * @ioc: Pointer to MPT_ADAPTER structure 779 * @starget: SCSI target for this SCSI device 780 * 781 **/ 782 static void 783 mptsas_add_device_component_starget(MPT_ADAPTER *ioc, 784 struct scsi_target *starget) 785 { 786 struct sas_rphy *rphy; 787 struct mptsas_phyinfo *phy_info = NULL; 788 struct mptsas_enclosure enclosure_info; 789 790 rphy = dev_to_rphy(starget->dev.parent); 791 phy_info = mptsas_find_phyinfo_by_sas_address(ioc, 792 rphy->identify.sas_address); 793 if (!phy_info) 794 return; 795 796 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure)); 797 mptsas_sas_enclosure_pg0(ioc, &enclosure_info, 798 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE << 799 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), 800 phy_info->attached.handle_enclosure); 801 802 mptsas_add_device_component(ioc, phy_info->attached.channel, 803 phy_info->attached.id, phy_info->attached.sas_address, 804 phy_info->attached.device_info, 805 phy_info->attached.slot, enclosure_info.enclosure_logical_id); 806 } 807 808 /** 809 * mptsas_del_device_component_by_os - Once a device has been removed, we mark the entry in the list as being cached 810 * @ioc: Pointer to MPT_ADAPTER structure 811 * @channel: os mapped id's 812 * @id: Logical Target ID 813 * 814 **/ 815 static void 816 mptsas_del_device_component_by_os(MPT_ADAPTER *ioc, u8 channel, u8 id) 817 { 818 struct mptsas_device_info *sas_info, *next; 819 820 /* 821 * Set is_cached flag 822 */ 823 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list, 824 list) { 825 if (sas_info->os.channel == channel && sas_info->os.id == id) 826 sas_info->is_cached = 1; 827 } 828 } 829 830 /** 831 * mptsas_del_device_components - Cleaning the list 832 * @ioc: Pointer to MPT_ADAPTER structure 833 * 834 **/ 835 static void 836 mptsas_del_device_components(MPT_ADAPTER *ioc) 837 { 838 struct mptsas_device_info *sas_info, *next; 839 840 mutex_lock(&ioc->sas_device_info_mutex); 841 list_for_each_entry_safe(sas_info, next, &ioc->sas_device_info_list, 842 list) { 843 list_del(&sas_info->list); 844 kfree(sas_info); 845 } 846 mutex_unlock(&ioc->sas_device_info_mutex); 847 } 848 849 850 /* 851 * mptsas_setup_wide_ports 852 * 853 * Updates for new and existing narrow/wide port configuration 854 * in the sas_topology 855 */ 856 static void 857 mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info) 858 { 859 struct mptsas_portinfo_details * port_details; 860 struct mptsas_phyinfo *phy_info, *phy_info_cmp; 861 u64 sas_address; 862 int i, j; 863 864 mutex_lock(&ioc->sas_topology_mutex); 865 866 phy_info = port_info->phy_info; 867 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) { 868 if (phy_info->attached.handle) 869 continue; 870 port_details = phy_info->port_details; 871 if (!port_details) 872 continue; 873 if (port_details->num_phys < 2) 874 continue; 875 /* 876 * Removing a phy from a port, letting the last 877 * phy be removed by firmware events. 878 */ 879 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT 880 "%s: [%p]: deleting phy = %d\n", 881 ioc->name, __func__, port_details, i)); 882 port_details->num_phys--; 883 port_details->phy_bitmask &= ~ (1 << phy_info->phy_id); 884 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo)); 885 if (phy_info->phy) { 886 devtprintk(ioc, dev_printk(KERN_DEBUG, 887 &phy_info->phy->dev, MYIOC_s_FMT 888 "delete phy %d, phy-obj (0x%p)\n", ioc->name, 889 phy_info->phy_id, phy_info->phy)); 890 sas_port_delete_phy(port_details->port, phy_info->phy); 891 } 892 phy_info->port_details = NULL; 893 } 894 895 /* 896 * Populate and refresh the tree 897 */ 898 phy_info = port_info->phy_info; 899 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) { 900 sas_address = phy_info->attached.sas_address; 901 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "phy_id=%d sas_address=0x%018llX\n", 902 ioc->name, i, (unsigned long long)sas_address)); 903 if (!sas_address) 904 continue; 905 port_details = phy_info->port_details; 906 /* 907 * Forming a port 908 */ 909 if (!port_details) { 910 port_details = kzalloc(sizeof(struct 911 mptsas_portinfo_details), GFP_KERNEL); 912 if (!port_details) 913 goto out; 914 port_details->num_phys = 1; 915 port_details->port_info = port_info; 916 if (phy_info->phy_id < 64 ) 917 port_details->phy_bitmask |= 918 (1 << phy_info->phy_id); 919 phy_info->sas_port_add_phy=1; 920 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tForming port\n\t\t" 921 "phy_id=%d sas_address=0x%018llX\n", 922 ioc->name, i, (unsigned long long)sas_address)); 923 phy_info->port_details = port_details; 924 } 925 926 if (i == port_info->num_phys - 1) 927 continue; 928 phy_info_cmp = &port_info->phy_info[i + 1]; 929 for (j = i + 1 ; j < port_info->num_phys ; j++, 930 phy_info_cmp++) { 931 if (!phy_info_cmp->attached.sas_address) 932 continue; 933 if (sas_address != phy_info_cmp->attached.sas_address) 934 continue; 935 if (phy_info_cmp->port_details == port_details ) 936 continue; 937 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT 938 "\t\tphy_id=%d sas_address=0x%018llX\n", 939 ioc->name, j, (unsigned long long) 940 phy_info_cmp->attached.sas_address)); 941 if (phy_info_cmp->port_details) { 942 port_details->rphy = 943 mptsas_get_rphy(phy_info_cmp); 944 port_details->port = 945 mptsas_get_port(phy_info_cmp); 946 port_details->starget = 947 mptsas_get_starget(phy_info_cmp); 948 port_details->num_phys = 949 phy_info_cmp->port_details->num_phys; 950 if (!phy_info_cmp->port_details->num_phys) 951 kfree(phy_info_cmp->port_details); 952 } else 953 phy_info_cmp->sas_port_add_phy=1; 954 /* 955 * Adding a phy to a port 956 */ 957 phy_info_cmp->port_details = port_details; 958 if (phy_info_cmp->phy_id < 64 ) 959 port_details->phy_bitmask |= 960 (1 << phy_info_cmp->phy_id); 961 port_details->num_phys++; 962 } 963 } 964 965 out: 966 967 for (i = 0; i < port_info->num_phys; i++) { 968 port_details = port_info->phy_info[i].port_details; 969 if (!port_details) 970 continue; 971 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT 972 "%s: [%p]: phy_id=%02d num_phys=%02d " 973 "bitmask=0x%016llX\n", ioc->name, __func__, 974 port_details, i, port_details->num_phys, 975 (unsigned long long)port_details->phy_bitmask)); 976 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "\t\tport = %p rphy=%p\n", 977 ioc->name, port_details->port, port_details->rphy)); 978 } 979 dsaswideprintk(ioc, printk("\n")); 980 mutex_unlock(&ioc->sas_topology_mutex); 981 } 982 983 /** 984 * mptsas_find_vtarget - find a virtual target device (FC LUN device or 985 * SCSI target device) 986 * 987 * @ioc: Pointer to MPT_ADAPTER structure 988 * @channel: channel number 989 * @id: Logical Target ID 990 * 991 **/ 992 static VirtTarget * 993 mptsas_find_vtarget(MPT_ADAPTER *ioc, u8 channel, u8 id) 994 { 995 struct scsi_device *sdev; 996 VirtDevice *vdevice; 997 VirtTarget *vtarget = NULL; 998 999 shost_for_each_device(sdev, ioc->sh) { 1000 vdevice = sdev->hostdata; 1001 if ((vdevice == NULL) || 1002 (vdevice->vtarget == NULL)) 1003 continue; 1004 if ((vdevice->vtarget->tflags & 1005 MPT_TARGET_FLAGS_RAID_COMPONENT || 1006 vdevice->vtarget->raidVolume)) 1007 continue; 1008 if (vdevice->vtarget->id == id && 1009 vdevice->vtarget->channel == channel) 1010 vtarget = vdevice->vtarget; 1011 } 1012 return vtarget; 1013 } 1014 1015 static void 1016 mptsas_queue_device_delete(MPT_ADAPTER *ioc, 1017 MpiEventDataSasDeviceStatusChange_t *sas_event_data) 1018 { 1019 struct fw_event_work *fw_event; 1020 1021 fw_event = kzalloc(sizeof(*fw_event) + 1022 sizeof(MpiEventDataSasDeviceStatusChange_t), 1023 GFP_ATOMIC); 1024 if (!fw_event) { 1025 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", 1026 ioc->name, __func__, __LINE__); 1027 return; 1028 } 1029 memcpy(fw_event->event_data, sas_event_data, 1030 sizeof(MpiEventDataSasDeviceStatusChange_t)); 1031 fw_event->event = MPI_EVENT_SAS_DEVICE_STATUS_CHANGE; 1032 fw_event->ioc = ioc; 1033 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1)); 1034 } 1035 1036 static void 1037 mptsas_queue_rescan(MPT_ADAPTER *ioc) 1038 { 1039 struct fw_event_work *fw_event; 1040 1041 fw_event = kzalloc(sizeof(*fw_event), GFP_ATOMIC); 1042 if (!fw_event) { 1043 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", 1044 ioc->name, __func__, __LINE__); 1045 return; 1046 } 1047 fw_event->event = -1; 1048 fw_event->ioc = ioc; 1049 mptsas_add_fw_event(ioc, fw_event, msecs_to_jiffies(1)); 1050 } 1051 1052 1053 /** 1054 * mptsas_target_reset - Issues TARGET_RESET to end device using 1055 * handshaking method 1056 * 1057 * @ioc: Pointer to MPT_ADAPTER structure 1058 * @channel: channel number 1059 * @id: Logical Target ID for reset 1060 * 1061 * Return: (1) success 1062 * (0) failure 1063 * 1064 **/ 1065 static int 1066 mptsas_target_reset(MPT_ADAPTER *ioc, u8 channel, u8 id) 1067 { 1068 MPT_FRAME_HDR *mf; 1069 SCSITaskMgmt_t *pScsiTm; 1070 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) 1071 return 0; 1072 1073 1074 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc); 1075 if (mf == NULL) { 1076 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT 1077 "%s, no msg frames @%d!!\n", ioc->name, 1078 __func__, __LINE__)); 1079 goto out_fail; 1080 } 1081 1082 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n", 1083 ioc->name, mf)); 1084 1085 /* Format the Request 1086 */ 1087 pScsiTm = (SCSITaskMgmt_t *) mf; 1088 memset (pScsiTm, 0, sizeof(SCSITaskMgmt_t)); 1089 pScsiTm->TargetID = id; 1090 pScsiTm->Bus = channel; 1091 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 1092 pScsiTm->TaskType = MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET; 1093 pScsiTm->MsgFlags = MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION; 1094 1095 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)mf); 1096 1097 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1098 "TaskMgmt type=%d (sas device delete) fw_channel = %d fw_id = %d)\n", 1099 ioc->name, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, channel, id)); 1100 1101 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf); 1102 1103 return 1; 1104 1105 out_fail: 1106 1107 mpt_clear_taskmgmt_in_progress_flag(ioc); 1108 return 0; 1109 } 1110 1111 static void 1112 mptsas_block_io_sdev(struct scsi_device *sdev, void *data) 1113 { 1114 scsi_device_set_state(sdev, SDEV_BLOCK); 1115 } 1116 1117 static void 1118 mptsas_block_io_starget(struct scsi_target *starget) 1119 { 1120 if (starget) 1121 starget_for_each_device(starget, NULL, mptsas_block_io_sdev); 1122 } 1123 1124 /** 1125 * mptsas_target_reset_queue - queue a target reset 1126 * 1127 * @ioc: Pointer to MPT_ADAPTER structure 1128 * @sas_event_data: SAS Device Status Change Event data 1129 * 1130 * Receive request for TARGET_RESET after receiving a firmware 1131 * event NOT_RESPONDING_EVENT, then put command in link list 1132 * and queue if task_queue already in use. 1133 * 1134 **/ 1135 static void 1136 mptsas_target_reset_queue(MPT_ADAPTER *ioc, 1137 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data) 1138 { 1139 MPT_SCSI_HOST *hd = shost_priv(ioc->sh); 1140 VirtTarget *vtarget = NULL; 1141 struct mptsas_target_reset_event *target_reset_list; 1142 u8 id, channel; 1143 1144 id = sas_event_data->TargetID; 1145 channel = sas_event_data->Bus; 1146 1147 vtarget = mptsas_find_vtarget(ioc, channel, id); 1148 if (vtarget) { 1149 mptsas_block_io_starget(vtarget->starget); 1150 vtarget->deleted = 1; /* block IO */ 1151 } 1152 1153 target_reset_list = kzalloc(sizeof(struct mptsas_target_reset_event), 1154 GFP_ATOMIC); 1155 if (!target_reset_list) { 1156 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT 1157 "%s, failed to allocate mem @%d..!!\n", 1158 ioc->name, __func__, __LINE__)); 1159 return; 1160 } 1161 1162 memcpy(&target_reset_list->sas_event_data, sas_event_data, 1163 sizeof(*sas_event_data)); 1164 list_add_tail(&target_reset_list->list, &hd->target_reset_list); 1165 1166 target_reset_list->time_count = jiffies; 1167 1168 if (mptsas_target_reset(ioc, channel, id)) { 1169 target_reset_list->target_reset_issued = 1; 1170 } 1171 } 1172 1173 /** 1174 * mptsas_schedule_target_reset- send pending target reset 1175 * @iocp: per adapter object 1176 * 1177 * This function will delete scheduled target reset from the list and 1178 * try to send next target reset. This will be called from completion 1179 * context of any Task management command. 1180 */ 1181 1182 void 1183 mptsas_schedule_target_reset(void *iocp) 1184 { 1185 MPT_ADAPTER *ioc = (MPT_ADAPTER *)(iocp); 1186 MPT_SCSI_HOST *hd = shost_priv(ioc->sh); 1187 struct list_head *head = &hd->target_reset_list; 1188 struct mptsas_target_reset_event *target_reset_list; 1189 u8 id, channel; 1190 /* 1191 * issue target reset to next device in the queue 1192 */ 1193 1194 if (list_empty(head)) 1195 return; 1196 1197 target_reset_list = list_entry(head->next, 1198 struct mptsas_target_reset_event, list); 1199 1200 id = target_reset_list->sas_event_data.TargetID; 1201 channel = target_reset_list->sas_event_data.Bus; 1202 target_reset_list->time_count = jiffies; 1203 1204 if (mptsas_target_reset(ioc, channel, id)) 1205 target_reset_list->target_reset_issued = 1; 1206 return; 1207 } 1208 1209 1210 /** 1211 * mptsas_taskmgmt_complete - complete SAS task management function 1212 * @ioc: Pointer to MPT_ADAPTER structure 1213 * @mf: MPT message frame 1214 * @mr: SCSI Task Management Reply structure ptr (may be %NULL) 1215 * 1216 * Completion for TARGET_RESET after NOT_RESPONDING_EVENT, enable work 1217 * queue to finish off removing device from upper layers, then send next 1218 * TARGET_RESET in the queue. 1219 **/ 1220 static int 1221 mptsas_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) 1222 { 1223 MPT_SCSI_HOST *hd = shost_priv(ioc->sh); 1224 struct list_head *head = &hd->target_reset_list; 1225 u8 id, channel; 1226 struct mptsas_target_reset_event *target_reset_list; 1227 SCSITaskMgmtReply_t *pScsiTmReply; 1228 1229 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt completed: " 1230 "(mf = %p, mr = %p)\n", ioc->name, mf, mr)); 1231 1232 pScsiTmReply = (SCSITaskMgmtReply_t *)mr; 1233 if (!pScsiTmReply) 1234 return 0; 1235 1236 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1237 "\tTaskMgmt completed: fw_channel = %d, fw_id = %d,\n" 1238 "\ttask_type = 0x%02X, iocstatus = 0x%04X " 1239 "loginfo = 0x%08X,\n\tresponse_code = 0x%02X, " 1240 "term_cmnds = %d\n", ioc->name, 1241 pScsiTmReply->Bus, pScsiTmReply->TargetID, 1242 pScsiTmReply->TaskType, 1243 le16_to_cpu(pScsiTmReply->IOCStatus), 1244 le32_to_cpu(pScsiTmReply->IOCLogInfo), 1245 pScsiTmReply->ResponseCode, 1246 le32_to_cpu(pScsiTmReply->TerminationCount))); 1247 1248 if (pScsiTmReply->ResponseCode) 1249 mptscsih_taskmgmt_response_code(ioc, 1250 pScsiTmReply->ResponseCode); 1251 1252 if (pScsiTmReply->TaskType == 1253 MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK || pScsiTmReply->TaskType == 1254 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET) { 1255 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 1256 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID; 1257 memcpy(ioc->taskmgmt_cmds.reply, mr, 1258 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength)); 1259 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) { 1260 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING; 1261 complete(&ioc->taskmgmt_cmds.done); 1262 return 1; 1263 } 1264 return 0; 1265 } 1266 1267 mpt_clear_taskmgmt_in_progress_flag(ioc); 1268 1269 if (list_empty(head)) 1270 return 1; 1271 1272 target_reset_list = list_entry(head->next, 1273 struct mptsas_target_reset_event, list); 1274 1275 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1276 "TaskMgmt: completed (%d seconds)\n", 1277 ioc->name, jiffies_to_msecs(jiffies - 1278 target_reset_list->time_count)/1000)); 1279 1280 id = pScsiTmReply->TargetID; 1281 channel = pScsiTmReply->Bus; 1282 target_reset_list->time_count = jiffies; 1283 1284 /* 1285 * retry target reset 1286 */ 1287 if (!target_reset_list->target_reset_issued) { 1288 if (mptsas_target_reset(ioc, channel, id)) 1289 target_reset_list->target_reset_issued = 1; 1290 return 1; 1291 } 1292 1293 /* 1294 * enable work queue to remove device from upper layers 1295 */ 1296 list_del(&target_reset_list->list); 1297 if (!ioc->fw_events_off) 1298 mptsas_queue_device_delete(ioc, 1299 &target_reset_list->sas_event_data); 1300 1301 1302 ioc->schedule_target_reset(ioc); 1303 1304 return 1; 1305 } 1306 1307 /** 1308 * mptsas_ioc_reset - issue an IOC reset for this reset phase 1309 * 1310 * @ioc: Pointer to MPT_ADAPTER structure 1311 * @reset_phase: id of phase of reset 1312 * 1313 **/ 1314 static int 1315 mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) 1316 { 1317 MPT_SCSI_HOST *hd; 1318 int rc; 1319 1320 rc = mptscsih_ioc_reset(ioc, reset_phase); 1321 if ((ioc->bus_type != SAS) || (!rc)) 1322 return rc; 1323 1324 hd = shost_priv(ioc->sh); 1325 if (!hd->ioc) 1326 goto out; 1327 1328 switch (reset_phase) { 1329 case MPT_IOC_SETUP_RESET: 1330 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1331 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__)); 1332 mptsas_fw_event_off(ioc); 1333 break; 1334 case MPT_IOC_PRE_RESET: 1335 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1336 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__)); 1337 break; 1338 case MPT_IOC_POST_RESET: 1339 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1340 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__)); 1341 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) { 1342 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_DID_IOCRESET; 1343 complete(&ioc->sas_mgmt.done); 1344 } 1345 mptsas_cleanup_fw_event_q(ioc); 1346 mptsas_queue_rescan(ioc); 1347 break; 1348 default: 1349 break; 1350 } 1351 1352 out: 1353 return rc; 1354 } 1355 1356 1357 /** 1358 * enum device_state - TUR device state 1359 * @DEVICE_RETRY: need to retry the TUR 1360 * @DEVICE_ERROR: TUR return error, don't add device 1361 * @DEVICE_READY: device can be added 1362 * 1363 */ 1364 enum device_state{ 1365 DEVICE_RETRY, 1366 DEVICE_ERROR, 1367 DEVICE_READY, 1368 }; 1369 1370 static int 1371 mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure, 1372 u32 form, u32 form_specific) 1373 { 1374 ConfigExtendedPageHeader_t hdr; 1375 CONFIGPARMS cfg; 1376 SasEnclosurePage0_t *buffer; 1377 dma_addr_t dma_handle; 1378 int error; 1379 __le64 le_identifier; 1380 1381 memset(&hdr, 0, sizeof(hdr)); 1382 hdr.PageVersion = MPI_SASENCLOSURE0_PAGEVERSION; 1383 hdr.PageNumber = 0; 1384 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 1385 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_ENCLOSURE; 1386 1387 cfg.cfghdr.ehdr = &hdr; 1388 cfg.physAddr = -1; 1389 cfg.pageAddr = form + form_specific; 1390 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 1391 cfg.dir = 0; /* read */ 1392 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; 1393 1394 error = mpt_config(ioc, &cfg); 1395 if (error) 1396 goto out; 1397 if (!hdr.ExtPageLength) { 1398 error = -ENXIO; 1399 goto out; 1400 } 1401 1402 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, 1403 &dma_handle, GFP_KERNEL); 1404 if (!buffer) { 1405 error = -ENOMEM; 1406 goto out; 1407 } 1408 1409 cfg.physAddr = dma_handle; 1410 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 1411 1412 error = mpt_config(ioc, &cfg); 1413 if (error) 1414 goto out_free_consistent; 1415 1416 /* save config data */ 1417 memcpy(&le_identifier, &buffer->EnclosureLogicalID, sizeof(__le64)); 1418 enclosure->enclosure_logical_id = le64_to_cpu(le_identifier); 1419 enclosure->enclosure_handle = le16_to_cpu(buffer->EnclosureHandle); 1420 enclosure->flags = le16_to_cpu(buffer->Flags); 1421 enclosure->num_slot = le16_to_cpu(buffer->NumSlots); 1422 enclosure->start_slot = le16_to_cpu(buffer->StartSlot); 1423 enclosure->start_id = buffer->StartTargetID; 1424 enclosure->start_channel = buffer->StartBus; 1425 enclosure->sep_id = buffer->SEPTargetID; 1426 enclosure->sep_channel = buffer->SEPBus; 1427 1428 out_free_consistent: 1429 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer, 1430 dma_handle); 1431 out: 1432 return error; 1433 } 1434 1435 /** 1436 * mptsas_add_end_device - report a new end device to sas transport layer 1437 * @ioc: Pointer to MPT_ADAPTER structure 1438 * @phy_info: describes attached device 1439 * 1440 * return (0) success (1) failure 1441 * 1442 **/ 1443 static int 1444 mptsas_add_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info) 1445 { 1446 struct sas_rphy *rphy; 1447 struct sas_port *port; 1448 struct sas_identify identify; 1449 char *ds = NULL; 1450 u8 fw_id; 1451 1452 if (!phy_info) { 1453 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1454 "%s: exit at line=%d\n", ioc->name, 1455 __func__, __LINE__)); 1456 return 1; 1457 } 1458 1459 fw_id = phy_info->attached.id; 1460 1461 if (mptsas_get_rphy(phy_info)) { 1462 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1463 "%s: fw_id=%d exit at line=%d\n", ioc->name, 1464 __func__, fw_id, __LINE__)); 1465 return 2; 1466 } 1467 1468 port = mptsas_get_port(phy_info); 1469 if (!port) { 1470 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1471 "%s: fw_id=%d exit at line=%d\n", ioc->name, 1472 __func__, fw_id, __LINE__)); 1473 return 3; 1474 } 1475 1476 if (phy_info->attached.device_info & 1477 MPI_SAS_DEVICE_INFO_SSP_TARGET) 1478 ds = "ssp"; 1479 if (phy_info->attached.device_info & 1480 MPI_SAS_DEVICE_INFO_STP_TARGET) 1481 ds = "stp"; 1482 if (phy_info->attached.device_info & 1483 MPI_SAS_DEVICE_INFO_SATA_DEVICE) 1484 ds = "sata"; 1485 1486 printk(MYIOC_s_INFO_FMT "attaching %s device: fw_channel %d, fw_id %d," 1487 " phy %d, sas_addr 0x%llx\n", ioc->name, ds, 1488 phy_info->attached.channel, phy_info->attached.id, 1489 phy_info->attached.phy_id, (unsigned long long) 1490 phy_info->attached.sas_address); 1491 1492 mptsas_parse_device_info(&identify, &phy_info->attached); 1493 rphy = sas_end_device_alloc(port); 1494 if (!rphy) { 1495 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1496 "%s: fw_id=%d exit at line=%d\n", ioc->name, 1497 __func__, fw_id, __LINE__)); 1498 return 5; /* non-fatal: an rphy can be added later */ 1499 } 1500 1501 rphy->identify = identify; 1502 if (sas_rphy_add(rphy)) { 1503 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1504 "%s: fw_id=%d exit at line=%d\n", ioc->name, 1505 __func__, fw_id, __LINE__)); 1506 sas_rphy_free(rphy); 1507 return 6; 1508 } 1509 mptsas_set_rphy(ioc, phy_info, rphy); 1510 return 0; 1511 } 1512 1513 /** 1514 * mptsas_del_end_device - report a deleted end device to sas transport layer 1515 * @ioc: Pointer to MPT_ADAPTER structure 1516 * @phy_info: describes attached device 1517 * 1518 **/ 1519 static void 1520 mptsas_del_end_device(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info) 1521 { 1522 struct sas_rphy *rphy; 1523 struct sas_port *port; 1524 struct mptsas_portinfo *port_info; 1525 struct mptsas_phyinfo *phy_info_parent; 1526 int i; 1527 char *ds = NULL; 1528 u8 fw_id; 1529 u64 sas_address; 1530 1531 if (!phy_info) 1532 return; 1533 1534 fw_id = phy_info->attached.id; 1535 sas_address = phy_info->attached.sas_address; 1536 1537 if (!phy_info->port_details) { 1538 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1539 "%s: fw_id=%d exit at line=%d\n", ioc->name, 1540 __func__, fw_id, __LINE__)); 1541 return; 1542 } 1543 rphy = mptsas_get_rphy(phy_info); 1544 if (!rphy) { 1545 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1546 "%s: fw_id=%d exit at line=%d\n", ioc->name, 1547 __func__, fw_id, __LINE__)); 1548 return; 1549 } 1550 1551 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_INITIATOR 1552 || phy_info->attached.device_info 1553 & MPI_SAS_DEVICE_INFO_SMP_INITIATOR 1554 || phy_info->attached.device_info 1555 & MPI_SAS_DEVICE_INFO_STP_INITIATOR) 1556 ds = "initiator"; 1557 if (phy_info->attached.device_info & 1558 MPI_SAS_DEVICE_INFO_SSP_TARGET) 1559 ds = "ssp"; 1560 if (phy_info->attached.device_info & 1561 MPI_SAS_DEVICE_INFO_STP_TARGET) 1562 ds = "stp"; 1563 if (phy_info->attached.device_info & 1564 MPI_SAS_DEVICE_INFO_SATA_DEVICE) 1565 ds = "sata"; 1566 1567 dev_printk(KERN_DEBUG, &rphy->dev, MYIOC_s_FMT 1568 "removing %s device: fw_channel %d, fw_id %d, phy %d," 1569 "sas_addr 0x%llx\n", ioc->name, ds, phy_info->attached.channel, 1570 phy_info->attached.id, phy_info->attached.phy_id, 1571 (unsigned long long) sas_address); 1572 1573 port = mptsas_get_port(phy_info); 1574 if (!port) { 1575 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 1576 "%s: fw_id=%d exit at line=%d\n", ioc->name, 1577 __func__, fw_id, __LINE__)); 1578 return; 1579 } 1580 port_info = phy_info->portinfo; 1581 phy_info_parent = port_info->phy_info; 1582 for (i = 0; i < port_info->num_phys; i++, phy_info_parent++) { 1583 if (!phy_info_parent->phy) 1584 continue; 1585 if (phy_info_parent->attached.sas_address != 1586 sas_address) 1587 continue; 1588 dev_printk(KERN_DEBUG, &phy_info_parent->phy->dev, 1589 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n", 1590 ioc->name, phy_info_parent->phy_id, 1591 phy_info_parent->phy); 1592 sas_port_delete_phy(port, phy_info_parent->phy); 1593 } 1594 1595 dev_printk(KERN_DEBUG, &port->dev, MYIOC_s_FMT 1596 "delete port %d, sas_addr (0x%llx)\n", ioc->name, 1597 port->port_identifier, (unsigned long long)sas_address); 1598 sas_port_delete(port); 1599 mptsas_set_port(ioc, phy_info, NULL); 1600 mptsas_port_delete(ioc, phy_info->port_details); 1601 } 1602 1603 static struct mptsas_phyinfo * 1604 mptsas_refreshing_device_handles(MPT_ADAPTER *ioc, 1605 struct mptsas_devinfo *sas_device) 1606 { 1607 struct mptsas_phyinfo *phy_info; 1608 struct mptsas_portinfo *port_info; 1609 int i; 1610 1611 phy_info = mptsas_find_phyinfo_by_sas_address(ioc, 1612 sas_device->sas_address); 1613 if (!phy_info) 1614 goto out; 1615 port_info = phy_info->portinfo; 1616 if (!port_info) 1617 goto out; 1618 mutex_lock(&ioc->sas_topology_mutex); 1619 for (i = 0; i < port_info->num_phys; i++) { 1620 if (port_info->phy_info[i].attached.sas_address != 1621 sas_device->sas_address) 1622 continue; 1623 port_info->phy_info[i].attached.channel = sas_device->channel; 1624 port_info->phy_info[i].attached.id = sas_device->id; 1625 port_info->phy_info[i].attached.sas_address = 1626 sas_device->sas_address; 1627 port_info->phy_info[i].attached.handle = sas_device->handle; 1628 port_info->phy_info[i].attached.handle_parent = 1629 sas_device->handle_parent; 1630 port_info->phy_info[i].attached.handle_enclosure = 1631 sas_device->handle_enclosure; 1632 } 1633 mutex_unlock(&ioc->sas_topology_mutex); 1634 out: 1635 return phy_info; 1636 } 1637 1638 /** 1639 * mptsas_firmware_event_work - work thread for processing fw events 1640 * @work: work queue payload containing info describing the event 1641 * Context: user 1642 * 1643 */ 1644 static void 1645 mptsas_firmware_event_work(struct work_struct *work) 1646 { 1647 struct fw_event_work *fw_event = 1648 container_of(work, struct fw_event_work, work.work); 1649 MPT_ADAPTER *ioc = fw_event->ioc; 1650 1651 /* special rescan topology handling */ 1652 if (fw_event->event == -1) { 1653 if (ioc->in_rescan) { 1654 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 1655 "%s: rescan ignored as it is in progress\n", 1656 ioc->name, __func__)); 1657 return; 1658 } 1659 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: rescan after " 1660 "reset\n", ioc->name, __func__)); 1661 ioc->in_rescan = 1; 1662 mptsas_not_responding_devices(ioc); 1663 mptsas_scan_sas_topology(ioc); 1664 ioc->in_rescan = 0; 1665 mptsas_free_fw_event(ioc, fw_event); 1666 mptsas_fw_event_on(ioc); 1667 return; 1668 } 1669 1670 /* events handling turned off during host reset */ 1671 if (ioc->fw_events_off) { 1672 mptsas_free_fw_event(ioc, fw_event); 1673 return; 1674 } 1675 1676 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: fw_event=(0x%p), " 1677 "event = (0x%02x)\n", ioc->name, __func__, fw_event, 1678 (fw_event->event & 0xFF))); 1679 1680 switch (fw_event->event) { 1681 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 1682 mptsas_send_sas_event(fw_event); 1683 break; 1684 case MPI_EVENT_INTEGRATED_RAID: 1685 mptsas_send_raid_event(fw_event); 1686 break; 1687 case MPI_EVENT_IR2: 1688 mptsas_send_ir2_event(fw_event); 1689 break; 1690 case MPI_EVENT_PERSISTENT_TABLE_FULL: 1691 mptbase_sas_persist_operation(ioc, 1692 MPI_SAS_OP_CLEAR_NOT_PRESENT); 1693 mptsas_free_fw_event(ioc, fw_event); 1694 break; 1695 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE: 1696 mptsas_broadcast_primitive_work(fw_event); 1697 break; 1698 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE: 1699 mptsas_send_expander_event(fw_event); 1700 break; 1701 case MPI_EVENT_SAS_PHY_LINK_STATUS: 1702 mptsas_send_link_status_event(fw_event); 1703 break; 1704 case MPI_EVENT_QUEUE_FULL: 1705 mptsas_handle_queue_full_event(fw_event); 1706 break; 1707 } 1708 } 1709 1710 1711 1712 static int 1713 mptsas_slave_configure(struct scsi_device *sdev) 1714 { 1715 struct Scsi_Host *host = sdev->host; 1716 MPT_SCSI_HOST *hd = shost_priv(host); 1717 MPT_ADAPTER *ioc = hd->ioc; 1718 VirtDevice *vdevice = sdev->hostdata; 1719 1720 if (vdevice->vtarget->deleted) { 1721 sdev_printk(KERN_INFO, sdev, "clearing deleted flag\n"); 1722 vdevice->vtarget->deleted = 0; 1723 } 1724 1725 /* 1726 * RAID volumes placed beyond the last expected port. 1727 * Ignore sending sas mode pages in that case.. 1728 */ 1729 if (sdev->channel == MPTSAS_RAID_CHANNEL) { 1730 mptsas_add_device_component_starget_ir(ioc, scsi_target(sdev)); 1731 goto out; 1732 } 1733 1734 sas_read_port_mode_page(sdev); 1735 1736 mptsas_add_device_component_starget(ioc, scsi_target(sdev)); 1737 1738 out: 1739 return mptscsih_slave_configure(sdev); 1740 } 1741 1742 static int 1743 mptsas_target_alloc(struct scsi_target *starget) 1744 { 1745 struct Scsi_Host *host = dev_to_shost(&starget->dev); 1746 MPT_SCSI_HOST *hd = shost_priv(host); 1747 VirtTarget *vtarget; 1748 u8 id, channel; 1749 struct sas_rphy *rphy; 1750 struct mptsas_portinfo *p; 1751 int i; 1752 MPT_ADAPTER *ioc = hd->ioc; 1753 1754 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL); 1755 if (!vtarget) 1756 return -ENOMEM; 1757 1758 vtarget->starget = starget; 1759 vtarget->ioc_id = ioc->id; 1760 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES; 1761 id = starget->id; 1762 channel = 0; 1763 1764 /* 1765 * RAID volumes placed beyond the last expected port. 1766 */ 1767 if (starget->channel == MPTSAS_RAID_CHANNEL) { 1768 if (!ioc->raid_data.pIocPg2) { 1769 kfree(vtarget); 1770 return -ENXIO; 1771 } 1772 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) { 1773 if (id == ioc->raid_data.pIocPg2-> 1774 RaidVolume[i].VolumeID) { 1775 channel = ioc->raid_data.pIocPg2-> 1776 RaidVolume[i].VolumeBus; 1777 } 1778 } 1779 vtarget->raidVolume = 1; 1780 goto out; 1781 } 1782 1783 rphy = dev_to_rphy(starget->dev.parent); 1784 mutex_lock(&ioc->sas_topology_mutex); 1785 list_for_each_entry(p, &ioc->sas_topology, list) { 1786 for (i = 0; i < p->num_phys; i++) { 1787 if (p->phy_info[i].attached.sas_address != 1788 rphy->identify.sas_address) 1789 continue; 1790 id = p->phy_info[i].attached.id; 1791 channel = p->phy_info[i].attached.channel; 1792 mptsas_set_starget(&p->phy_info[i], starget); 1793 1794 /* 1795 * Exposing hidden raid components 1796 */ 1797 if (mptscsih_is_phys_disk(ioc, channel, id)) { 1798 id = mptscsih_raid_id_to_num(ioc, 1799 channel, id); 1800 vtarget->tflags |= 1801 MPT_TARGET_FLAGS_RAID_COMPONENT; 1802 p->phy_info[i].attached.phys_disk_num = id; 1803 } 1804 mutex_unlock(&ioc->sas_topology_mutex); 1805 goto out; 1806 } 1807 } 1808 mutex_unlock(&ioc->sas_topology_mutex); 1809 1810 kfree(vtarget); 1811 return -ENXIO; 1812 1813 out: 1814 vtarget->id = id; 1815 vtarget->channel = channel; 1816 starget->hostdata = vtarget; 1817 return 0; 1818 } 1819 1820 static void 1821 mptsas_target_destroy(struct scsi_target *starget) 1822 { 1823 struct Scsi_Host *host = dev_to_shost(&starget->dev); 1824 MPT_SCSI_HOST *hd = shost_priv(host); 1825 struct sas_rphy *rphy; 1826 struct mptsas_portinfo *p; 1827 int i; 1828 MPT_ADAPTER *ioc = hd->ioc; 1829 VirtTarget *vtarget; 1830 1831 if (!starget->hostdata) 1832 return; 1833 1834 vtarget = starget->hostdata; 1835 1836 mptsas_del_device_component_by_os(ioc, starget->channel, 1837 starget->id); 1838 1839 1840 if (starget->channel == MPTSAS_RAID_CHANNEL) 1841 goto out; 1842 1843 rphy = dev_to_rphy(starget->dev.parent); 1844 list_for_each_entry(p, &ioc->sas_topology, list) { 1845 for (i = 0; i < p->num_phys; i++) { 1846 if (p->phy_info[i].attached.sas_address != 1847 rphy->identify.sas_address) 1848 continue; 1849 1850 starget_printk(KERN_INFO, starget, MYIOC_s_FMT 1851 "delete device: fw_channel %d, fw_id %d, phy %d, " 1852 "sas_addr 0x%llx\n", ioc->name, 1853 p->phy_info[i].attached.channel, 1854 p->phy_info[i].attached.id, 1855 p->phy_info[i].attached.phy_id, (unsigned long long) 1856 p->phy_info[i].attached.sas_address); 1857 1858 mptsas_set_starget(&p->phy_info[i], NULL); 1859 } 1860 } 1861 1862 out: 1863 vtarget->starget = NULL; 1864 kfree(starget->hostdata); 1865 starget->hostdata = NULL; 1866 } 1867 1868 1869 static int 1870 mptsas_slave_alloc(struct scsi_device *sdev) 1871 { 1872 struct Scsi_Host *host = sdev->host; 1873 MPT_SCSI_HOST *hd = shost_priv(host); 1874 struct sas_rphy *rphy; 1875 struct mptsas_portinfo *p; 1876 VirtDevice *vdevice; 1877 struct scsi_target *starget; 1878 int i; 1879 MPT_ADAPTER *ioc = hd->ioc; 1880 1881 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL); 1882 if (!vdevice) { 1883 printk(MYIOC_s_ERR_FMT "slave_alloc kzalloc(%zd) FAILED!\n", 1884 ioc->name, sizeof(VirtDevice)); 1885 return -ENOMEM; 1886 } 1887 starget = scsi_target(sdev); 1888 vdevice->vtarget = starget->hostdata; 1889 1890 if (sdev->channel == MPTSAS_RAID_CHANNEL) 1891 goto out; 1892 1893 rphy = dev_to_rphy(sdev->sdev_target->dev.parent); 1894 mutex_lock(&ioc->sas_topology_mutex); 1895 list_for_each_entry(p, &ioc->sas_topology, list) { 1896 for (i = 0; i < p->num_phys; i++) { 1897 if (p->phy_info[i].attached.sas_address != 1898 rphy->identify.sas_address) 1899 continue; 1900 vdevice->lun = sdev->lun; 1901 /* 1902 * Exposing hidden raid components 1903 */ 1904 if (mptscsih_is_phys_disk(ioc, 1905 p->phy_info[i].attached.channel, 1906 p->phy_info[i].attached.id)) 1907 sdev->no_uld_attach = 1; 1908 mutex_unlock(&ioc->sas_topology_mutex); 1909 goto out; 1910 } 1911 } 1912 mutex_unlock(&ioc->sas_topology_mutex); 1913 1914 kfree(vdevice); 1915 return -ENXIO; 1916 1917 out: 1918 vdevice->vtarget->num_luns++; 1919 sdev->hostdata = vdevice; 1920 return 0; 1921 } 1922 1923 static int 1924 mptsas_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt) 1925 { 1926 MPT_SCSI_HOST *hd; 1927 MPT_ADAPTER *ioc; 1928 VirtDevice *vdevice = SCpnt->device->hostdata; 1929 1930 if (!vdevice || !vdevice->vtarget || vdevice->vtarget->deleted) { 1931 SCpnt->result = DID_NO_CONNECT << 16; 1932 scsi_done(SCpnt); 1933 return 0; 1934 } 1935 1936 hd = shost_priv(shost); 1937 ioc = hd->ioc; 1938 1939 if (ioc->sas_discovery_quiesce_io) 1940 return SCSI_MLQUEUE_HOST_BUSY; 1941 1942 if (ioc->debug_level & MPT_DEBUG_SCSI) 1943 scsi_print_command(SCpnt); 1944 1945 return mptscsih_qcmd(SCpnt); 1946 } 1947 1948 /** 1949 * mptsas_eh_timed_out - resets the scsi_cmnd timeout 1950 * if the device under question is currently in the 1951 * device removal delay. 1952 * @sc: scsi command that the midlayer is about to time out 1953 * 1954 **/ 1955 static enum scsi_timeout_action mptsas_eh_timed_out(struct scsi_cmnd *sc) 1956 { 1957 MPT_SCSI_HOST *hd; 1958 MPT_ADAPTER *ioc; 1959 VirtDevice *vdevice; 1960 enum scsi_timeout_action rc = SCSI_EH_NOT_HANDLED; 1961 1962 hd = shost_priv(sc->device->host); 1963 if (hd == NULL) { 1964 printk(KERN_ERR MYNAM ": %s: Can't locate host! (sc=%p)\n", 1965 __func__, sc); 1966 goto done; 1967 } 1968 1969 ioc = hd->ioc; 1970 if (ioc->bus_type != SAS) { 1971 printk(KERN_ERR MYNAM ": %s: Wrong bus type (sc=%p)\n", 1972 __func__, sc); 1973 goto done; 1974 } 1975 1976 /* In case if IOC is in reset from internal context. 1977 * Do not execute EEH for the same IOC. SML should to reset timer. 1978 */ 1979 if (ioc->ioc_reset_in_progress) { 1980 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: ioc is in reset," 1981 "SML need to reset the timer (sc=%p)\n", 1982 ioc->name, __func__, sc)); 1983 rc = SCSI_EH_RESET_TIMER; 1984 } 1985 vdevice = sc->device->hostdata; 1986 if (vdevice && vdevice->vtarget && (vdevice->vtarget->inDMD 1987 || vdevice->vtarget->deleted)) { 1988 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: target removed " 1989 "or in device removal delay (sc=%p)\n", 1990 ioc->name, __func__, sc)); 1991 rc = SCSI_EH_RESET_TIMER; 1992 goto done; 1993 } 1994 1995 done: 1996 return rc; 1997 } 1998 1999 2000 static const struct scsi_host_template mptsas_driver_template = { 2001 .module = THIS_MODULE, 2002 .proc_name = "mptsas", 2003 .show_info = mptscsih_show_info, 2004 .name = "MPT SAS Host", 2005 .info = mptscsih_info, 2006 .queuecommand = mptsas_qcmd, 2007 .target_alloc = mptsas_target_alloc, 2008 .slave_alloc = mptsas_slave_alloc, 2009 .slave_configure = mptsas_slave_configure, 2010 .target_destroy = mptsas_target_destroy, 2011 .slave_destroy = mptscsih_slave_destroy, 2012 .change_queue_depth = mptscsih_change_queue_depth, 2013 .eh_timed_out = mptsas_eh_timed_out, 2014 .eh_abort_handler = mptscsih_abort, 2015 .eh_device_reset_handler = mptscsih_dev_reset, 2016 .eh_host_reset_handler = mptscsih_host_reset, 2017 .bios_param = mptscsih_bios_param, 2018 .can_queue = MPT_SAS_CAN_QUEUE, 2019 .this_id = -1, 2020 .sg_tablesize = MPT_SCSI_SG_DEPTH, 2021 .max_sectors = 8192, 2022 .cmd_per_lun = 7, 2023 .shost_groups = mptscsih_host_attr_groups, 2024 .no_write_same = 1, 2025 }; 2026 2027 static int mptsas_get_linkerrors(struct sas_phy *phy) 2028 { 2029 MPT_ADAPTER *ioc = phy_to_ioc(phy); 2030 ConfigExtendedPageHeader_t hdr; 2031 CONFIGPARMS cfg; 2032 SasPhyPage1_t *buffer; 2033 dma_addr_t dma_handle; 2034 int error; 2035 2036 /* FIXME: only have link errors on local phys */ 2037 if (!scsi_is_sas_phy_local(phy)) 2038 return -EINVAL; 2039 2040 hdr.PageVersion = MPI_SASPHY1_PAGEVERSION; 2041 hdr.ExtPageLength = 0; 2042 hdr.PageNumber = 1 /* page number 1*/; 2043 hdr.Reserved1 = 0; 2044 hdr.Reserved2 = 0; 2045 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 2046 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY; 2047 2048 cfg.cfghdr.ehdr = &hdr; 2049 cfg.physAddr = -1; 2050 cfg.pageAddr = phy->identify.phy_identifier; 2051 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 2052 cfg.dir = 0; /* read */ 2053 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; 2054 2055 error = mpt_config(ioc, &cfg); 2056 if (error) 2057 return error; 2058 if (!hdr.ExtPageLength) 2059 return -ENXIO; 2060 2061 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, 2062 &dma_handle, GFP_KERNEL); 2063 if (!buffer) 2064 return -ENOMEM; 2065 2066 cfg.physAddr = dma_handle; 2067 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 2068 2069 error = mpt_config(ioc, &cfg); 2070 if (error) 2071 goto out_free_consistent; 2072 2073 mptsas_print_phy_pg1(ioc, buffer); 2074 2075 phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount); 2076 phy->running_disparity_error_count = 2077 le32_to_cpu(buffer->RunningDisparityErrorCount); 2078 phy->loss_of_dword_sync_count = 2079 le32_to_cpu(buffer->LossDwordSynchCount); 2080 phy->phy_reset_problem_count = 2081 le32_to_cpu(buffer->PhyResetProblemCount); 2082 2083 out_free_consistent: 2084 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer, 2085 dma_handle); 2086 return error; 2087 } 2088 2089 static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, 2090 MPT_FRAME_HDR *reply) 2091 { 2092 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_COMMAND_GOOD; 2093 if (reply != NULL) { 2094 ioc->sas_mgmt.status |= MPT_MGMT_STATUS_RF_VALID; 2095 memcpy(ioc->sas_mgmt.reply, reply, 2096 min(ioc->reply_sz, 4 * reply->u.reply.MsgLength)); 2097 } 2098 2099 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_PENDING) { 2100 ioc->sas_mgmt.status &= ~MPT_MGMT_STATUS_PENDING; 2101 complete(&ioc->sas_mgmt.done); 2102 return 1; 2103 } 2104 return 0; 2105 } 2106 2107 static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset) 2108 { 2109 MPT_ADAPTER *ioc = phy_to_ioc(phy); 2110 SasIoUnitControlRequest_t *req; 2111 SasIoUnitControlReply_t *reply; 2112 MPT_FRAME_HDR *mf; 2113 MPIHeader_t *hdr; 2114 unsigned long timeleft; 2115 int error = -ERESTARTSYS; 2116 2117 /* FIXME: fusion doesn't allow non-local phy reset */ 2118 if (!scsi_is_sas_phy_local(phy)) 2119 return -EINVAL; 2120 2121 /* not implemented for expanders */ 2122 if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP) 2123 return -ENXIO; 2124 2125 if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex)) 2126 goto out; 2127 2128 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc); 2129 if (!mf) { 2130 error = -ENOMEM; 2131 goto out_unlock; 2132 } 2133 2134 hdr = (MPIHeader_t *) mf; 2135 req = (SasIoUnitControlRequest_t *)mf; 2136 memset(req, 0, sizeof(SasIoUnitControlRequest_t)); 2137 req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL; 2138 req->MsgContext = hdr->MsgContext; 2139 req->Operation = hard_reset ? 2140 MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET; 2141 req->PhyNum = phy->identify.phy_identifier; 2142 2143 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status) 2144 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf); 2145 2146 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 2147 10 * HZ); 2148 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 2149 error = -ETIME; 2150 mpt_free_msg_frame(ioc, mf); 2151 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET) 2152 goto out_unlock; 2153 if (!timeleft) 2154 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 2155 goto out_unlock; 2156 } 2157 2158 /* a reply frame is expected */ 2159 if ((ioc->sas_mgmt.status & 2160 MPT_MGMT_STATUS_RF_VALID) == 0) { 2161 error = -ENXIO; 2162 goto out_unlock; 2163 } 2164 2165 /* process the completed Reply Message Frame */ 2166 reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply; 2167 if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) { 2168 printk(MYIOC_s_INFO_FMT "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n", 2169 ioc->name, __func__, reply->IOCStatus, reply->IOCLogInfo); 2170 error = -ENXIO; 2171 goto out_unlock; 2172 } 2173 2174 error = 0; 2175 2176 out_unlock: 2177 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status) 2178 mutex_unlock(&ioc->sas_mgmt.mutex); 2179 out: 2180 return error; 2181 } 2182 2183 static int 2184 mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier) 2185 { 2186 MPT_ADAPTER *ioc = rphy_to_ioc(rphy); 2187 int i, error; 2188 struct mptsas_portinfo *p; 2189 struct mptsas_enclosure enclosure_info; 2190 u64 enclosure_handle; 2191 2192 mutex_lock(&ioc->sas_topology_mutex); 2193 list_for_each_entry(p, &ioc->sas_topology, list) { 2194 for (i = 0; i < p->num_phys; i++) { 2195 if (p->phy_info[i].attached.sas_address == 2196 rphy->identify.sas_address) { 2197 enclosure_handle = p->phy_info[i]. 2198 attached.handle_enclosure; 2199 goto found_info; 2200 } 2201 } 2202 } 2203 mutex_unlock(&ioc->sas_topology_mutex); 2204 return -ENXIO; 2205 2206 found_info: 2207 mutex_unlock(&ioc->sas_topology_mutex); 2208 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure)); 2209 error = mptsas_sas_enclosure_pg0(ioc, &enclosure_info, 2210 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE << 2211 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle); 2212 if (!error) 2213 *identifier = enclosure_info.enclosure_logical_id; 2214 return error; 2215 } 2216 2217 static int 2218 mptsas_get_bay_identifier(struct sas_rphy *rphy) 2219 { 2220 MPT_ADAPTER *ioc = rphy_to_ioc(rphy); 2221 struct mptsas_portinfo *p; 2222 int i, rc; 2223 2224 mutex_lock(&ioc->sas_topology_mutex); 2225 list_for_each_entry(p, &ioc->sas_topology, list) { 2226 for (i = 0; i < p->num_phys; i++) { 2227 if (p->phy_info[i].attached.sas_address == 2228 rphy->identify.sas_address) { 2229 rc = p->phy_info[i].attached.slot; 2230 goto out; 2231 } 2232 } 2233 } 2234 rc = -ENXIO; 2235 out: 2236 mutex_unlock(&ioc->sas_topology_mutex); 2237 return rc; 2238 } 2239 2240 static void mptsas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost, 2241 struct sas_rphy *rphy) 2242 { 2243 MPT_ADAPTER *ioc = ((MPT_SCSI_HOST *) shost->hostdata)->ioc; 2244 MPT_FRAME_HDR *mf; 2245 SmpPassthroughRequest_t *smpreq; 2246 int flagsLength; 2247 unsigned long timeleft; 2248 char *psge; 2249 u64 sas_address = 0; 2250 unsigned int reslen = 0; 2251 int ret = -EINVAL; 2252 2253 /* do we need to support multiple segments? */ 2254 if (job->request_payload.sg_cnt > 1 || 2255 job->reply_payload.sg_cnt > 1) { 2256 printk(MYIOC_s_ERR_FMT "%s: multiple segments req %u, rsp %u\n", 2257 ioc->name, __func__, job->request_payload.payload_len, 2258 job->reply_payload.payload_len); 2259 goto out; 2260 } 2261 2262 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex); 2263 if (ret) 2264 goto out; 2265 2266 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc); 2267 if (!mf) { 2268 ret = -ENOMEM; 2269 goto out_unlock; 2270 } 2271 2272 smpreq = (SmpPassthroughRequest_t *)mf; 2273 memset(smpreq, 0, sizeof(*smpreq)); 2274 2275 smpreq->RequestDataLength = 2276 cpu_to_le16(job->request_payload.payload_len - 4); 2277 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH; 2278 2279 if (rphy) 2280 sas_address = rphy->identify.sas_address; 2281 else { 2282 struct mptsas_portinfo *port_info; 2283 2284 mutex_lock(&ioc->sas_topology_mutex); 2285 port_info = ioc->hba_port_info; 2286 if (port_info && port_info->phy_info) 2287 sas_address = 2288 port_info->phy_info[0].phy->identify.sas_address; 2289 mutex_unlock(&ioc->sas_topology_mutex); 2290 } 2291 2292 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address); 2293 2294 psge = (char *) 2295 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4)); 2296 2297 /* request */ 2298 flagsLength = (MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2299 MPI_SGE_FLAGS_END_OF_BUFFER | 2300 MPI_SGE_FLAGS_DIRECTION) 2301 << MPI_SGE_FLAGS_SHIFT; 2302 2303 if (!dma_map_sg(&ioc->pcidev->dev, job->request_payload.sg_list, 2304 1, DMA_BIDIRECTIONAL)) 2305 goto put_mf; 2306 2307 flagsLength |= (sg_dma_len(job->request_payload.sg_list) - 4); 2308 ioc->add_sge(psge, flagsLength, 2309 sg_dma_address(job->request_payload.sg_list)); 2310 psge += ioc->SGE_size; 2311 2312 /* response */ 2313 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2314 MPI_SGE_FLAGS_SYSTEM_ADDRESS | 2315 MPI_SGE_FLAGS_IOC_TO_HOST | 2316 MPI_SGE_FLAGS_END_OF_BUFFER; 2317 2318 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT; 2319 2320 if (!dma_map_sg(&ioc->pcidev->dev, job->reply_payload.sg_list, 2321 1, DMA_BIDIRECTIONAL)) 2322 goto unmap_out; 2323 flagsLength |= sg_dma_len(job->reply_payload.sg_list) + 4; 2324 ioc->add_sge(psge, flagsLength, 2325 sg_dma_address(job->reply_payload.sg_list)); 2326 2327 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status) 2328 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf); 2329 2330 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ); 2331 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 2332 ret = -ETIME; 2333 mpt_free_msg_frame(ioc, mf); 2334 mf = NULL; 2335 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET) 2336 goto unmap_in; 2337 if (!timeleft) 2338 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 2339 goto unmap_in; 2340 } 2341 mf = NULL; 2342 2343 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) { 2344 SmpPassthroughReply_t *smprep; 2345 2346 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply; 2347 memcpy(job->reply, smprep, sizeof(*smprep)); 2348 job->reply_len = sizeof(*smprep); 2349 reslen = smprep->ResponseDataLength; 2350 } else { 2351 printk(MYIOC_s_ERR_FMT 2352 "%s: smp passthru reply failed to be returned\n", 2353 ioc->name, __func__); 2354 ret = -ENXIO; 2355 } 2356 2357 unmap_in: 2358 dma_unmap_sg(&ioc->pcidev->dev, job->reply_payload.sg_list, 1, 2359 DMA_BIDIRECTIONAL); 2360 unmap_out: 2361 dma_unmap_sg(&ioc->pcidev->dev, job->request_payload.sg_list, 1, 2362 DMA_BIDIRECTIONAL); 2363 put_mf: 2364 if (mf) 2365 mpt_free_msg_frame(ioc, mf); 2366 out_unlock: 2367 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status) 2368 mutex_unlock(&ioc->sas_mgmt.mutex); 2369 out: 2370 bsg_job_done(job, ret, reslen); 2371 } 2372 2373 static struct sas_function_template mptsas_transport_functions = { 2374 .get_linkerrors = mptsas_get_linkerrors, 2375 .get_enclosure_identifier = mptsas_get_enclosure_identifier, 2376 .get_bay_identifier = mptsas_get_bay_identifier, 2377 .phy_reset = mptsas_phy_reset, 2378 .smp_handler = mptsas_smp_handler, 2379 }; 2380 2381 static struct scsi_transport_template *mptsas_transport_template; 2382 2383 static int 2384 mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info) 2385 { 2386 ConfigExtendedPageHeader_t hdr; 2387 CONFIGPARMS cfg; 2388 SasIOUnitPage0_t *buffer; 2389 dma_addr_t dma_handle; 2390 int error, i; 2391 2392 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION; 2393 hdr.ExtPageLength = 0; 2394 hdr.PageNumber = 0; 2395 hdr.Reserved1 = 0; 2396 hdr.Reserved2 = 0; 2397 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 2398 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; 2399 2400 cfg.cfghdr.ehdr = &hdr; 2401 cfg.physAddr = -1; 2402 cfg.pageAddr = 0; 2403 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 2404 cfg.dir = 0; /* read */ 2405 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; 2406 2407 error = mpt_config(ioc, &cfg); 2408 if (error) 2409 goto out; 2410 if (!hdr.ExtPageLength) { 2411 error = -ENXIO; 2412 goto out; 2413 } 2414 2415 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, 2416 &dma_handle, GFP_KERNEL); 2417 if (!buffer) { 2418 error = -ENOMEM; 2419 goto out; 2420 } 2421 2422 cfg.physAddr = dma_handle; 2423 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 2424 2425 error = mpt_config(ioc, &cfg); 2426 if (error) 2427 goto out_free_consistent; 2428 2429 port_info->num_phys = buffer->NumPhys; 2430 port_info->phy_info = kcalloc(port_info->num_phys, 2431 sizeof(struct mptsas_phyinfo), GFP_KERNEL); 2432 if (!port_info->phy_info) { 2433 error = -ENOMEM; 2434 goto out_free_consistent; 2435 } 2436 2437 ioc->nvdata_version_persistent = 2438 le16_to_cpu(buffer->NvdataVersionPersistent); 2439 ioc->nvdata_version_default = 2440 le16_to_cpu(buffer->NvdataVersionDefault); 2441 2442 for (i = 0; i < port_info->num_phys; i++) { 2443 mptsas_print_phy_data(ioc, &buffer->PhyData[i]); 2444 port_info->phy_info[i].phy_id = i; 2445 port_info->phy_info[i].port_id = 2446 buffer->PhyData[i].Port; 2447 port_info->phy_info[i].negotiated_link_rate = 2448 buffer->PhyData[i].NegotiatedLinkRate; 2449 port_info->phy_info[i].portinfo = port_info; 2450 port_info->phy_info[i].handle = 2451 le16_to_cpu(buffer->PhyData[i].ControllerDevHandle); 2452 } 2453 2454 out_free_consistent: 2455 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer, 2456 dma_handle); 2457 out: 2458 return error; 2459 } 2460 2461 static int 2462 mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc) 2463 { 2464 ConfigExtendedPageHeader_t hdr; 2465 CONFIGPARMS cfg; 2466 SasIOUnitPage1_t *buffer; 2467 dma_addr_t dma_handle; 2468 int error; 2469 u8 device_missing_delay; 2470 2471 memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t)); 2472 memset(&cfg, 0, sizeof(CONFIGPARMS)); 2473 2474 cfg.cfghdr.ehdr = &hdr; 2475 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 2476 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; 2477 cfg.cfghdr.ehdr->PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 2478 cfg.cfghdr.ehdr->ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; 2479 cfg.cfghdr.ehdr->PageVersion = MPI_SASIOUNITPAGE1_PAGEVERSION; 2480 cfg.cfghdr.ehdr->PageNumber = 1; 2481 2482 error = mpt_config(ioc, &cfg); 2483 if (error) 2484 goto out; 2485 if (!hdr.ExtPageLength) { 2486 error = -ENXIO; 2487 goto out; 2488 } 2489 2490 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, 2491 &dma_handle, GFP_KERNEL); 2492 if (!buffer) { 2493 error = -ENOMEM; 2494 goto out; 2495 } 2496 2497 cfg.physAddr = dma_handle; 2498 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 2499 2500 error = mpt_config(ioc, &cfg); 2501 if (error) 2502 goto out_free_consistent; 2503 2504 ioc->io_missing_delay = 2505 le16_to_cpu(buffer->IODeviceMissingDelay); 2506 device_missing_delay = buffer->ReportDeviceMissingDelay; 2507 ioc->device_missing_delay = (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_UNIT_16) ? 2508 (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16 : 2509 device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK; 2510 2511 out_free_consistent: 2512 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer, 2513 dma_handle); 2514 out: 2515 return error; 2516 } 2517 2518 static int 2519 mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, 2520 u32 form, u32 form_specific) 2521 { 2522 ConfigExtendedPageHeader_t hdr; 2523 CONFIGPARMS cfg; 2524 SasPhyPage0_t *buffer; 2525 dma_addr_t dma_handle; 2526 int error; 2527 2528 hdr.PageVersion = MPI_SASPHY0_PAGEVERSION; 2529 hdr.ExtPageLength = 0; 2530 hdr.PageNumber = 0; 2531 hdr.Reserved1 = 0; 2532 hdr.Reserved2 = 0; 2533 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 2534 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY; 2535 2536 cfg.cfghdr.ehdr = &hdr; 2537 cfg.dir = 0; /* read */ 2538 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; 2539 2540 /* Get Phy Pg 0 for each Phy. */ 2541 cfg.physAddr = -1; 2542 cfg.pageAddr = form + form_specific; 2543 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 2544 2545 error = mpt_config(ioc, &cfg); 2546 if (error) 2547 goto out; 2548 2549 if (!hdr.ExtPageLength) { 2550 error = -ENXIO; 2551 goto out; 2552 } 2553 2554 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, 2555 &dma_handle, GFP_KERNEL); 2556 if (!buffer) { 2557 error = -ENOMEM; 2558 goto out; 2559 } 2560 2561 cfg.physAddr = dma_handle; 2562 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 2563 2564 error = mpt_config(ioc, &cfg); 2565 if (error) 2566 goto out_free_consistent; 2567 2568 mptsas_print_phy_pg0(ioc, buffer); 2569 2570 phy_info->hw_link_rate = buffer->HwLinkRate; 2571 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; 2572 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle); 2573 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle); 2574 2575 out_free_consistent: 2576 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer, 2577 dma_handle); 2578 out: 2579 return error; 2580 } 2581 2582 static int 2583 mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info, 2584 u32 form, u32 form_specific) 2585 { 2586 ConfigExtendedPageHeader_t hdr; 2587 CONFIGPARMS cfg; 2588 SasDevicePage0_t *buffer; 2589 dma_addr_t dma_handle; 2590 __le64 sas_address; 2591 int error=0; 2592 2593 hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION; 2594 hdr.ExtPageLength = 0; 2595 hdr.PageNumber = 0; 2596 hdr.Reserved1 = 0; 2597 hdr.Reserved2 = 0; 2598 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 2599 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE; 2600 2601 cfg.cfghdr.ehdr = &hdr; 2602 cfg.pageAddr = form + form_specific; 2603 cfg.physAddr = -1; 2604 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 2605 cfg.dir = 0; /* read */ 2606 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; 2607 2608 memset(device_info, 0, sizeof(struct mptsas_devinfo)); 2609 error = mpt_config(ioc, &cfg); 2610 if (error) 2611 goto out; 2612 if (!hdr.ExtPageLength) { 2613 error = -ENXIO; 2614 goto out; 2615 } 2616 2617 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, 2618 &dma_handle, GFP_KERNEL); 2619 if (!buffer) { 2620 error = -ENOMEM; 2621 goto out; 2622 } 2623 2624 cfg.physAddr = dma_handle; 2625 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 2626 2627 error = mpt_config(ioc, &cfg); 2628 2629 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) { 2630 error = -ENODEV; 2631 goto out_free_consistent; 2632 } 2633 2634 if (error) 2635 goto out_free_consistent; 2636 2637 mptsas_print_device_pg0(ioc, buffer); 2638 2639 memset(device_info, 0, sizeof(struct mptsas_devinfo)); 2640 device_info->handle = le16_to_cpu(buffer->DevHandle); 2641 device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle); 2642 device_info->handle_enclosure = 2643 le16_to_cpu(buffer->EnclosureHandle); 2644 device_info->slot = le16_to_cpu(buffer->Slot); 2645 device_info->phy_id = buffer->PhyNum; 2646 device_info->port_id = buffer->PhysicalPort; 2647 device_info->id = buffer->TargetID; 2648 device_info->phys_disk_num = ~0; 2649 device_info->channel = buffer->Bus; 2650 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64)); 2651 device_info->sas_address = le64_to_cpu(sas_address); 2652 device_info->device_info = 2653 le32_to_cpu(buffer->DeviceInfo); 2654 device_info->flags = le16_to_cpu(buffer->Flags); 2655 2656 out_free_consistent: 2657 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer, 2658 dma_handle); 2659 out: 2660 return error; 2661 } 2662 2663 static int 2664 mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info, 2665 u32 form, u32 form_specific) 2666 { 2667 ConfigExtendedPageHeader_t hdr; 2668 CONFIGPARMS cfg; 2669 SasExpanderPage0_t *buffer; 2670 dma_addr_t dma_handle; 2671 int i, error; 2672 __le64 sas_address; 2673 2674 memset(port_info, 0, sizeof(struct mptsas_portinfo)); 2675 hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION; 2676 hdr.ExtPageLength = 0; 2677 hdr.PageNumber = 0; 2678 hdr.Reserved1 = 0; 2679 hdr.Reserved2 = 0; 2680 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 2681 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER; 2682 2683 cfg.cfghdr.ehdr = &hdr; 2684 cfg.physAddr = -1; 2685 cfg.pageAddr = form + form_specific; 2686 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 2687 cfg.dir = 0; /* read */ 2688 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; 2689 2690 memset(port_info, 0, sizeof(struct mptsas_portinfo)); 2691 error = mpt_config(ioc, &cfg); 2692 if (error) 2693 goto out; 2694 2695 if (!hdr.ExtPageLength) { 2696 error = -ENXIO; 2697 goto out; 2698 } 2699 2700 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, 2701 &dma_handle, GFP_KERNEL); 2702 if (!buffer) { 2703 error = -ENOMEM; 2704 goto out; 2705 } 2706 2707 cfg.physAddr = dma_handle; 2708 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 2709 2710 error = mpt_config(ioc, &cfg); 2711 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) { 2712 error = -ENODEV; 2713 goto out_free_consistent; 2714 } 2715 2716 if (error) 2717 goto out_free_consistent; 2718 2719 /* save config data */ 2720 port_info->num_phys = (buffer->NumPhys) ? buffer->NumPhys : 1; 2721 port_info->phy_info = kcalloc(port_info->num_phys, 2722 sizeof(struct mptsas_phyinfo), GFP_KERNEL); 2723 if (!port_info->phy_info) { 2724 error = -ENOMEM; 2725 goto out_free_consistent; 2726 } 2727 2728 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64)); 2729 for (i = 0; i < port_info->num_phys; i++) { 2730 port_info->phy_info[i].portinfo = port_info; 2731 port_info->phy_info[i].handle = 2732 le16_to_cpu(buffer->DevHandle); 2733 port_info->phy_info[i].identify.sas_address = 2734 le64_to_cpu(sas_address); 2735 port_info->phy_info[i].identify.handle_parent = 2736 le16_to_cpu(buffer->ParentDevHandle); 2737 } 2738 2739 out_free_consistent: 2740 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer, 2741 dma_handle); 2742 out: 2743 return error; 2744 } 2745 2746 static int 2747 mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, 2748 u32 form, u32 form_specific) 2749 { 2750 ConfigExtendedPageHeader_t hdr; 2751 CONFIGPARMS cfg; 2752 SasExpanderPage1_t *buffer; 2753 dma_addr_t dma_handle; 2754 int error=0; 2755 2756 hdr.PageVersion = MPI_SASEXPANDER1_PAGEVERSION; 2757 hdr.ExtPageLength = 0; 2758 hdr.PageNumber = 1; 2759 hdr.Reserved1 = 0; 2760 hdr.Reserved2 = 0; 2761 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; 2762 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER; 2763 2764 cfg.cfghdr.ehdr = &hdr; 2765 cfg.physAddr = -1; 2766 cfg.pageAddr = form + form_specific; 2767 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 2768 cfg.dir = 0; /* read */ 2769 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; 2770 2771 error = mpt_config(ioc, &cfg); 2772 if (error) 2773 goto out; 2774 2775 if (!hdr.ExtPageLength) { 2776 error = -ENXIO; 2777 goto out; 2778 } 2779 2780 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, 2781 &dma_handle, GFP_KERNEL); 2782 if (!buffer) { 2783 error = -ENOMEM; 2784 goto out; 2785 } 2786 2787 cfg.physAddr = dma_handle; 2788 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 2789 2790 error = mpt_config(ioc, &cfg); 2791 2792 if (error == MPI_IOCSTATUS_CONFIG_INVALID_PAGE) { 2793 error = -ENODEV; 2794 goto out_free_consistent; 2795 } 2796 2797 if (error) 2798 goto out_free_consistent; 2799 2800 2801 mptsas_print_expander_pg1(ioc, buffer); 2802 2803 /* save config data */ 2804 phy_info->phy_id = buffer->PhyIdentifier; 2805 phy_info->port_id = buffer->PhysicalPort; 2806 phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate; 2807 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; 2808 phy_info->hw_link_rate = buffer->HwLinkRate; 2809 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle); 2810 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle); 2811 2812 out_free_consistent: 2813 dma_free_coherent(&ioc->pcidev->dev, hdr.ExtPageLength * 4, buffer, 2814 dma_handle); 2815 out: 2816 return error; 2817 } 2818 2819 struct rep_manu_request{ 2820 u8 smp_frame_type; 2821 u8 function; 2822 u8 reserved; 2823 u8 request_length; 2824 }; 2825 2826 struct rep_manu_reply{ 2827 u8 smp_frame_type; /* 0x41 */ 2828 u8 function; /* 0x01 */ 2829 u8 function_result; 2830 u8 response_length; 2831 u16 expander_change_count; 2832 u8 reserved0[2]; 2833 u8 sas_format:1; 2834 u8 reserved1:7; 2835 u8 reserved2[3]; 2836 u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN]; 2837 u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN]; 2838 u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN]; 2839 u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN]; 2840 u16 component_id; 2841 u8 component_revision_id; 2842 u8 reserved3; 2843 u8 vendor_specific[8]; 2844 }; 2845 2846 /** 2847 * mptsas_exp_repmanufacture_info - sets expander manufacturer info 2848 * @ioc: per adapter object 2849 * @sas_address: expander sas address 2850 * @edev: the sas_expander_device object 2851 * 2852 * For an edge expander or a fanout expander: 2853 * fills in the sas_expander_device object when SMP port is created. 2854 * 2855 * Return: 0 for success, non-zero for failure. 2856 */ 2857 static int 2858 mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc, 2859 u64 sas_address, struct sas_expander_device *edev) 2860 { 2861 MPT_FRAME_HDR *mf; 2862 SmpPassthroughRequest_t *smpreq; 2863 SmpPassthroughReply_t *smprep; 2864 struct rep_manu_reply *manufacture_reply; 2865 struct rep_manu_request *manufacture_request; 2866 int ret; 2867 int flagsLength; 2868 unsigned long timeleft; 2869 char *psge; 2870 unsigned long flags; 2871 void *data_out = NULL; 2872 dma_addr_t data_out_dma = 0; 2873 u32 sz; 2874 2875 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 2876 if (ioc->ioc_reset_in_progress) { 2877 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2878 printk(MYIOC_s_INFO_FMT "%s: host reset in progress!\n", 2879 __func__, ioc->name); 2880 return -EFAULT; 2881 } 2882 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 2883 2884 ret = mutex_lock_interruptible(&ioc->sas_mgmt.mutex); 2885 if (ret) 2886 goto out; 2887 2888 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc); 2889 if (!mf) { 2890 ret = -ENOMEM; 2891 goto out_unlock; 2892 } 2893 2894 smpreq = (SmpPassthroughRequest_t *)mf; 2895 memset(smpreq, 0, sizeof(*smpreq)); 2896 2897 sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply); 2898 2899 data_out = dma_alloc_coherent(&ioc->pcidev->dev, sz, &data_out_dma, 2900 GFP_KERNEL); 2901 if (!data_out) { 2902 printk(KERN_ERR "Memory allocation failure at %s:%d/%s()!\n", 2903 __FILE__, __LINE__, __func__); 2904 ret = -ENOMEM; 2905 goto put_mf; 2906 } 2907 2908 manufacture_request = data_out; 2909 manufacture_request->smp_frame_type = 0x40; 2910 manufacture_request->function = 1; 2911 manufacture_request->reserved = 0; 2912 manufacture_request->request_length = 0; 2913 2914 smpreq->Function = MPI_FUNCTION_SMP_PASSTHROUGH; 2915 smpreq->PhysicalPort = 0xFF; 2916 *((u64 *)&smpreq->SASAddress) = cpu_to_le64(sas_address); 2917 smpreq->RequestDataLength = sizeof(struct rep_manu_request); 2918 2919 psge = (char *) 2920 (((int *) mf) + (offsetof(SmpPassthroughRequest_t, SGL) / 4)); 2921 2922 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2923 MPI_SGE_FLAGS_SYSTEM_ADDRESS | 2924 MPI_SGE_FLAGS_HOST_TO_IOC | 2925 MPI_SGE_FLAGS_END_OF_BUFFER; 2926 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT; 2927 flagsLength |= sizeof(struct rep_manu_request); 2928 2929 ioc->add_sge(psge, flagsLength, data_out_dma); 2930 psge += ioc->SGE_size; 2931 2932 flagsLength = MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2933 MPI_SGE_FLAGS_SYSTEM_ADDRESS | 2934 MPI_SGE_FLAGS_IOC_TO_HOST | 2935 MPI_SGE_FLAGS_END_OF_BUFFER; 2936 flagsLength = flagsLength << MPI_SGE_FLAGS_SHIFT; 2937 flagsLength |= sizeof(struct rep_manu_reply); 2938 ioc->add_sge(psge, flagsLength, data_out_dma + 2939 sizeof(struct rep_manu_request)); 2940 2941 INITIALIZE_MGMT_STATUS(ioc->sas_mgmt.status) 2942 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf); 2943 2944 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, 10 * HZ); 2945 if (!(ioc->sas_mgmt.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 2946 ret = -ETIME; 2947 mpt_free_msg_frame(ioc, mf); 2948 mf = NULL; 2949 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET) 2950 goto out_free; 2951 if (!timeleft) 2952 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 2953 goto out_free; 2954 } 2955 2956 mf = NULL; 2957 2958 if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_RF_VALID) { 2959 u8 *tmp; 2960 2961 smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply; 2962 if (le16_to_cpu(smprep->ResponseDataLength) != 2963 sizeof(struct rep_manu_reply)) 2964 goto out_free; 2965 2966 manufacture_reply = data_out + sizeof(struct rep_manu_request); 2967 memtostr(edev->vendor_id, manufacture_reply->vendor_id); 2968 memtostr(edev->product_id, manufacture_reply->product_id); 2969 memtostr(edev->product_rev, manufacture_reply->product_rev); 2970 edev->level = manufacture_reply->sas_format; 2971 if (manufacture_reply->sas_format) { 2972 memtostr(edev->component_vendor_id, 2973 manufacture_reply->component_vendor_id); 2974 tmp = (u8 *)&manufacture_reply->component_id; 2975 edev->component_id = tmp[0] << 8 | tmp[1]; 2976 edev->component_revision_id = 2977 manufacture_reply->component_revision_id; 2978 } 2979 } else { 2980 printk(MYIOC_s_ERR_FMT 2981 "%s: smp passthru reply failed to be returned\n", 2982 ioc->name, __func__); 2983 ret = -ENXIO; 2984 } 2985 out_free: 2986 if (data_out_dma) 2987 dma_free_coherent(&ioc->pcidev->dev, sz, data_out, 2988 data_out_dma); 2989 put_mf: 2990 if (mf) 2991 mpt_free_msg_frame(ioc, mf); 2992 out_unlock: 2993 CLEAR_MGMT_STATUS(ioc->sas_mgmt.status) 2994 mutex_unlock(&ioc->sas_mgmt.mutex); 2995 out: 2996 return ret; 2997 } 2998 2999 static void 3000 mptsas_parse_device_info(struct sas_identify *identify, 3001 struct mptsas_devinfo *device_info) 3002 { 3003 u16 protocols; 3004 3005 identify->sas_address = device_info->sas_address; 3006 identify->phy_identifier = device_info->phy_id; 3007 3008 /* 3009 * Fill in Phy Initiator Port Protocol. 3010 * Bits 6:3, more than one bit can be set, fall through cases. 3011 */ 3012 protocols = device_info->device_info & 0x78; 3013 identify->initiator_port_protocols = 0; 3014 if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR) 3015 identify->initiator_port_protocols |= SAS_PROTOCOL_SSP; 3016 if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR) 3017 identify->initiator_port_protocols |= SAS_PROTOCOL_STP; 3018 if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR) 3019 identify->initiator_port_protocols |= SAS_PROTOCOL_SMP; 3020 if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST) 3021 identify->initiator_port_protocols |= SAS_PROTOCOL_SATA; 3022 3023 /* 3024 * Fill in Phy Target Port Protocol. 3025 * Bits 10:7, more than one bit can be set, fall through cases. 3026 */ 3027 protocols = device_info->device_info & 0x780; 3028 identify->target_port_protocols = 0; 3029 if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET) 3030 identify->target_port_protocols |= SAS_PROTOCOL_SSP; 3031 if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET) 3032 identify->target_port_protocols |= SAS_PROTOCOL_STP; 3033 if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET) 3034 identify->target_port_protocols |= SAS_PROTOCOL_SMP; 3035 if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE) 3036 identify->target_port_protocols |= SAS_PROTOCOL_SATA; 3037 3038 /* 3039 * Fill in Attached device type. 3040 */ 3041 switch (device_info->device_info & 3042 MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) { 3043 case MPI_SAS_DEVICE_INFO_NO_DEVICE: 3044 identify->device_type = SAS_PHY_UNUSED; 3045 break; 3046 case MPI_SAS_DEVICE_INFO_END_DEVICE: 3047 identify->device_type = SAS_END_DEVICE; 3048 break; 3049 case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER: 3050 identify->device_type = SAS_EDGE_EXPANDER_DEVICE; 3051 break; 3052 case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER: 3053 identify->device_type = SAS_FANOUT_EXPANDER_DEVICE; 3054 break; 3055 } 3056 } 3057 3058 static int mptsas_probe_one_phy(struct device *dev, 3059 struct mptsas_phyinfo *phy_info, int index, int local) 3060 { 3061 MPT_ADAPTER *ioc; 3062 struct sas_phy *phy; 3063 struct sas_port *port; 3064 int error = 0; 3065 VirtTarget *vtarget; 3066 3067 if (!dev) { 3068 error = -ENODEV; 3069 goto out; 3070 } 3071 3072 if (!phy_info->phy) { 3073 phy = sas_phy_alloc(dev, index); 3074 if (!phy) { 3075 error = -ENOMEM; 3076 goto out; 3077 } 3078 } else 3079 phy = phy_info->phy; 3080 3081 mptsas_parse_device_info(&phy->identify, &phy_info->identify); 3082 3083 /* 3084 * Set Negotiated link rate. 3085 */ 3086 switch (phy_info->negotiated_link_rate) { 3087 case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED: 3088 phy->negotiated_linkrate = SAS_PHY_DISABLED; 3089 break; 3090 case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION: 3091 phy->negotiated_linkrate = SAS_LINK_RATE_FAILED; 3092 break; 3093 case MPI_SAS_IOUNIT0_RATE_1_5: 3094 phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS; 3095 break; 3096 case MPI_SAS_IOUNIT0_RATE_3_0: 3097 phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS; 3098 break; 3099 case MPI_SAS_IOUNIT0_RATE_6_0: 3100 phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS; 3101 break; 3102 case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE: 3103 case MPI_SAS_IOUNIT0_RATE_UNKNOWN: 3104 default: 3105 phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN; 3106 break; 3107 } 3108 3109 /* 3110 * Set Max hardware link rate. 3111 */ 3112 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) { 3113 case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5: 3114 phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS; 3115 break; 3116 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0: 3117 phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS; 3118 break; 3119 default: 3120 break; 3121 } 3122 3123 /* 3124 * Set Max programmed link rate. 3125 */ 3126 switch (phy_info->programmed_link_rate & 3127 MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) { 3128 case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5: 3129 phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS; 3130 break; 3131 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0: 3132 phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS; 3133 break; 3134 default: 3135 break; 3136 } 3137 3138 /* 3139 * Set Min hardware link rate. 3140 */ 3141 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) { 3142 case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5: 3143 phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS; 3144 break; 3145 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0: 3146 phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS; 3147 break; 3148 default: 3149 break; 3150 } 3151 3152 /* 3153 * Set Min programmed link rate. 3154 */ 3155 switch (phy_info->programmed_link_rate & 3156 MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) { 3157 case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5: 3158 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS; 3159 break; 3160 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0: 3161 phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS; 3162 break; 3163 default: 3164 break; 3165 } 3166 3167 if (!phy_info->phy) { 3168 3169 error = sas_phy_add(phy); 3170 if (error) { 3171 sas_phy_free(phy); 3172 goto out; 3173 } 3174 phy_info->phy = phy; 3175 } 3176 3177 if (!phy_info->attached.handle || 3178 !phy_info->port_details) 3179 goto out; 3180 3181 port = mptsas_get_port(phy_info); 3182 ioc = phy_to_ioc(phy_info->phy); 3183 3184 if (phy_info->sas_port_add_phy) { 3185 3186 if (!port) { 3187 port = sas_port_alloc_num(dev); 3188 if (!port) { 3189 error = -ENOMEM; 3190 goto out; 3191 } 3192 error = sas_port_add(port); 3193 if (error) { 3194 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 3195 "%s: exit at line=%d\n", ioc->name, 3196 __func__, __LINE__)); 3197 goto out; 3198 } 3199 mptsas_set_port(ioc, phy_info, port); 3200 devtprintk(ioc, dev_printk(KERN_DEBUG, &port->dev, 3201 MYIOC_s_FMT "add port %d, sas_addr (0x%llx)\n", 3202 ioc->name, port->port_identifier, 3203 (unsigned long long)phy_info-> 3204 attached.sas_address)); 3205 } 3206 dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3207 "sas_port_add_phy: phy_id=%d\n", 3208 ioc->name, phy_info->phy_id)); 3209 sas_port_add_phy(port, phy_info->phy); 3210 phy_info->sas_port_add_phy = 0; 3211 devtprintk(ioc, dev_printk(KERN_DEBUG, &phy_info->phy->dev, 3212 MYIOC_s_FMT "add phy %d, phy-obj (0x%p)\n", ioc->name, 3213 phy_info->phy_id, phy_info->phy)); 3214 } 3215 if (!mptsas_get_rphy(phy_info) && port && !port->rphy) { 3216 3217 struct sas_rphy *rphy; 3218 struct device *parent; 3219 struct sas_identify identify; 3220 3221 parent = dev->parent->parent; 3222 /* 3223 * Let the hotplug_work thread handle processing 3224 * the adding/removing of devices that occur 3225 * after start of day. 3226 */ 3227 if (mptsas_is_end_device(&phy_info->attached) && 3228 phy_info->attached.handle_parent) { 3229 goto out; 3230 } 3231 3232 mptsas_parse_device_info(&identify, &phy_info->attached); 3233 if (scsi_is_host_device(parent)) { 3234 struct mptsas_portinfo *port_info; 3235 int i; 3236 3237 port_info = ioc->hba_port_info; 3238 3239 for (i = 0; i < port_info->num_phys; i++) 3240 if (port_info->phy_info[i].identify.sas_address == 3241 identify.sas_address) { 3242 sas_port_mark_backlink(port); 3243 goto out; 3244 } 3245 3246 } else if (scsi_is_sas_rphy(parent)) { 3247 struct sas_rphy *parent_rphy = dev_to_rphy(parent); 3248 if (identify.sas_address == 3249 parent_rphy->identify.sas_address) { 3250 sas_port_mark_backlink(port); 3251 goto out; 3252 } 3253 } 3254 3255 switch (identify.device_type) { 3256 case SAS_END_DEVICE: 3257 rphy = sas_end_device_alloc(port); 3258 break; 3259 case SAS_EDGE_EXPANDER_DEVICE: 3260 case SAS_FANOUT_EXPANDER_DEVICE: 3261 rphy = sas_expander_alloc(port, identify.device_type); 3262 break; 3263 default: 3264 rphy = NULL; 3265 break; 3266 } 3267 if (!rphy) { 3268 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 3269 "%s: exit at line=%d\n", ioc->name, 3270 __func__, __LINE__)); 3271 goto out; 3272 } 3273 3274 rphy->identify = identify; 3275 error = sas_rphy_add(rphy); 3276 if (error) { 3277 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 3278 "%s: exit at line=%d\n", ioc->name, 3279 __func__, __LINE__)); 3280 sas_rphy_free(rphy); 3281 goto out; 3282 } 3283 mptsas_set_rphy(ioc, phy_info, rphy); 3284 if (identify.device_type == SAS_EDGE_EXPANDER_DEVICE || 3285 identify.device_type == SAS_FANOUT_EXPANDER_DEVICE) 3286 mptsas_exp_repmanufacture_info(ioc, 3287 identify.sas_address, 3288 rphy_to_expander_device(rphy)); 3289 } 3290 3291 /* If the device exists, verify it wasn't previously flagged 3292 as a missing device. If so, clear it */ 3293 vtarget = mptsas_find_vtarget(ioc, 3294 phy_info->attached.channel, 3295 phy_info->attached.id); 3296 if (vtarget && vtarget->inDMD) { 3297 printk(KERN_INFO "Device returned, unsetting inDMD\n"); 3298 vtarget->inDMD = 0; 3299 } 3300 3301 out: 3302 return error; 3303 } 3304 3305 static int 3306 mptsas_probe_hba_phys(MPT_ADAPTER *ioc) 3307 { 3308 struct mptsas_portinfo *port_info, *hba; 3309 int error = -ENOMEM, i; 3310 3311 hba = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL); 3312 if (! hba) 3313 goto out; 3314 3315 error = mptsas_sas_io_unit_pg0(ioc, hba); 3316 if (error) 3317 goto out_free_port_info; 3318 3319 mptsas_sas_io_unit_pg1(ioc); 3320 mutex_lock(&ioc->sas_topology_mutex); 3321 port_info = ioc->hba_port_info; 3322 if (!port_info) { 3323 ioc->hba_port_info = port_info = hba; 3324 ioc->hba_port_num_phy = port_info->num_phys; 3325 list_add_tail(&port_info->list, &ioc->sas_topology); 3326 } else { 3327 for (i = 0; i < hba->num_phys; i++) { 3328 port_info->phy_info[i].negotiated_link_rate = 3329 hba->phy_info[i].negotiated_link_rate; 3330 port_info->phy_info[i].handle = 3331 hba->phy_info[i].handle; 3332 port_info->phy_info[i].port_id = 3333 hba->phy_info[i].port_id; 3334 } 3335 kfree(hba->phy_info); 3336 kfree(hba); 3337 hba = NULL; 3338 } 3339 mutex_unlock(&ioc->sas_topology_mutex); 3340 #if defined(CPQ_CIM) 3341 ioc->num_ports = port_info->num_phys; 3342 #endif 3343 for (i = 0; i < port_info->num_phys; i++) { 3344 mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i], 3345 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << 3346 MPI_SAS_PHY_PGAD_FORM_SHIFT), i); 3347 port_info->phy_info[i].identify.handle = 3348 port_info->phy_info[i].handle; 3349 mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify, 3350 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 3351 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 3352 port_info->phy_info[i].identify.handle); 3353 if (!ioc->hba_port_sas_addr) 3354 ioc->hba_port_sas_addr = 3355 port_info->phy_info[i].identify.sas_address; 3356 port_info->phy_info[i].identify.phy_id = 3357 port_info->phy_info[i].phy_id = i; 3358 if (port_info->phy_info[i].attached.handle) 3359 mptsas_sas_device_pg0(ioc, 3360 &port_info->phy_info[i].attached, 3361 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 3362 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 3363 port_info->phy_info[i].attached.handle); 3364 } 3365 3366 mptsas_setup_wide_ports(ioc, port_info); 3367 3368 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++) 3369 mptsas_probe_one_phy(&ioc->sh->shost_gendev, 3370 &port_info->phy_info[i], ioc->sas_index, 1); 3371 3372 return 0; 3373 3374 out_free_port_info: 3375 kfree(hba); 3376 out: 3377 return error; 3378 } 3379 3380 static void 3381 mptsas_expander_refresh(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info) 3382 { 3383 struct mptsas_portinfo *parent; 3384 struct device *parent_dev; 3385 struct sas_rphy *rphy; 3386 int i; 3387 u64 sas_address; /* expander sas address */ 3388 u32 handle; 3389 3390 handle = port_info->phy_info[0].handle; 3391 sas_address = port_info->phy_info[0].identify.sas_address; 3392 for (i = 0; i < port_info->num_phys; i++) { 3393 mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i], 3394 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM << 3395 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + handle); 3396 3397 mptsas_sas_device_pg0(ioc, 3398 &port_info->phy_info[i].identify, 3399 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 3400 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 3401 port_info->phy_info[i].identify.handle); 3402 port_info->phy_info[i].identify.phy_id = 3403 port_info->phy_info[i].phy_id; 3404 3405 if (port_info->phy_info[i].attached.handle) { 3406 mptsas_sas_device_pg0(ioc, 3407 &port_info->phy_info[i].attached, 3408 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 3409 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 3410 port_info->phy_info[i].attached.handle); 3411 port_info->phy_info[i].attached.phy_id = 3412 port_info->phy_info[i].phy_id; 3413 } 3414 } 3415 3416 mutex_lock(&ioc->sas_topology_mutex); 3417 parent = mptsas_find_portinfo_by_handle(ioc, 3418 port_info->phy_info[0].identify.handle_parent); 3419 if (!parent) { 3420 mutex_unlock(&ioc->sas_topology_mutex); 3421 return; 3422 } 3423 for (i = 0, parent_dev = NULL; i < parent->num_phys && !parent_dev; 3424 i++) { 3425 if (parent->phy_info[i].attached.sas_address == sas_address) { 3426 rphy = mptsas_get_rphy(&parent->phy_info[i]); 3427 parent_dev = &rphy->dev; 3428 } 3429 } 3430 mutex_unlock(&ioc->sas_topology_mutex); 3431 3432 mptsas_setup_wide_ports(ioc, port_info); 3433 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++) 3434 mptsas_probe_one_phy(parent_dev, &port_info->phy_info[i], 3435 ioc->sas_index, 0); 3436 } 3437 3438 static void 3439 mptsas_expander_event_add(MPT_ADAPTER *ioc, 3440 MpiEventDataSasExpanderStatusChange_t *expander_data) 3441 { 3442 struct mptsas_portinfo *port_info; 3443 int i; 3444 __le64 sas_address; 3445 3446 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL); 3447 BUG_ON(!port_info); 3448 port_info->num_phys = (expander_data->NumPhys) ? 3449 expander_data->NumPhys : 1; 3450 port_info->phy_info = kcalloc(port_info->num_phys, 3451 sizeof(struct mptsas_phyinfo), GFP_KERNEL); 3452 BUG_ON(!port_info->phy_info); 3453 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64)); 3454 for (i = 0; i < port_info->num_phys; i++) { 3455 port_info->phy_info[i].portinfo = port_info; 3456 port_info->phy_info[i].handle = 3457 le16_to_cpu(expander_data->DevHandle); 3458 port_info->phy_info[i].identify.sas_address = 3459 le64_to_cpu(sas_address); 3460 port_info->phy_info[i].identify.handle_parent = 3461 le16_to_cpu(expander_data->ParentDevHandle); 3462 } 3463 3464 mutex_lock(&ioc->sas_topology_mutex); 3465 list_add_tail(&port_info->list, &ioc->sas_topology); 3466 mutex_unlock(&ioc->sas_topology_mutex); 3467 3468 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, " 3469 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys, 3470 (unsigned long long)sas_address); 3471 3472 mptsas_expander_refresh(ioc, port_info); 3473 } 3474 3475 /** 3476 * mptsas_delete_expander_siblings - remove siblings attached to expander 3477 * @ioc: Pointer to MPT_ADAPTER structure 3478 * @parent: the parent port_info object 3479 * @expander: the expander port_info object 3480 **/ 3481 static void 3482 mptsas_delete_expander_siblings(MPT_ADAPTER *ioc, struct mptsas_portinfo 3483 *parent, struct mptsas_portinfo *expander) 3484 { 3485 struct mptsas_phyinfo *phy_info; 3486 struct mptsas_portinfo *port_info; 3487 struct sas_rphy *rphy; 3488 int i; 3489 3490 phy_info = expander->phy_info; 3491 for (i = 0; i < expander->num_phys; i++, phy_info++) { 3492 rphy = mptsas_get_rphy(phy_info); 3493 if (!rphy) 3494 continue; 3495 if (rphy->identify.device_type == SAS_END_DEVICE) 3496 mptsas_del_end_device(ioc, phy_info); 3497 } 3498 3499 phy_info = expander->phy_info; 3500 for (i = 0; i < expander->num_phys; i++, phy_info++) { 3501 rphy = mptsas_get_rphy(phy_info); 3502 if (!rphy) 3503 continue; 3504 if (rphy->identify.device_type == 3505 MPI_SAS_DEVICE_INFO_EDGE_EXPANDER || 3506 rphy->identify.device_type == 3507 MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER) { 3508 port_info = mptsas_find_portinfo_by_sas_address(ioc, 3509 rphy->identify.sas_address); 3510 if (!port_info) 3511 continue; 3512 if (port_info == parent) /* backlink rphy */ 3513 continue; 3514 /* 3515 Delete this expander even if the expdevpage is exists 3516 because the parent expander is already deleted 3517 */ 3518 mptsas_expander_delete(ioc, port_info, 1); 3519 } 3520 } 3521 } 3522 3523 3524 /** 3525 * mptsas_expander_delete - remove this expander 3526 * @ioc: Pointer to MPT_ADAPTER structure 3527 * @port_info: expander port_info struct 3528 * @force: Flag to forcefully delete the expander 3529 * 3530 **/ 3531 3532 static void mptsas_expander_delete(MPT_ADAPTER *ioc, 3533 struct mptsas_portinfo *port_info, u8 force) 3534 { 3535 3536 struct mptsas_portinfo *parent; 3537 int i; 3538 u64 expander_sas_address; 3539 struct mptsas_phyinfo *phy_info; 3540 struct mptsas_portinfo buffer; 3541 struct mptsas_portinfo_details *port_details; 3542 struct sas_port *port; 3543 3544 if (!port_info) 3545 return; 3546 3547 /* see if expander is still there before deleting */ 3548 mptsas_sas_expander_pg0(ioc, &buffer, 3549 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE << 3550 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), 3551 port_info->phy_info[0].identify.handle); 3552 3553 if (buffer.num_phys) { 3554 kfree(buffer.phy_info); 3555 if (!force) 3556 return; 3557 } 3558 3559 3560 /* 3561 * Obtain the port_info instance to the parent port 3562 */ 3563 port_details = NULL; 3564 expander_sas_address = 3565 port_info->phy_info[0].identify.sas_address; 3566 parent = mptsas_find_portinfo_by_handle(ioc, 3567 port_info->phy_info[0].identify.handle_parent); 3568 mptsas_delete_expander_siblings(ioc, parent, port_info); 3569 if (!parent) 3570 goto out; 3571 3572 /* 3573 * Delete rphys in the parent that point 3574 * to this expander. 3575 */ 3576 phy_info = parent->phy_info; 3577 port = NULL; 3578 for (i = 0; i < parent->num_phys; i++, phy_info++) { 3579 if (!phy_info->phy) 3580 continue; 3581 if (phy_info->attached.sas_address != 3582 expander_sas_address) 3583 continue; 3584 if (!port) { 3585 port = mptsas_get_port(phy_info); 3586 port_details = phy_info->port_details; 3587 } 3588 dev_printk(KERN_DEBUG, &phy_info->phy->dev, 3589 MYIOC_s_FMT "delete phy %d, phy-obj (0x%p)\n", ioc->name, 3590 phy_info->phy_id, phy_info->phy); 3591 sas_port_delete_phy(port, phy_info->phy); 3592 } 3593 if (port) { 3594 dev_printk(KERN_DEBUG, &port->dev, 3595 MYIOC_s_FMT "delete port %d, sas_addr (0x%llx)\n", 3596 ioc->name, port->port_identifier, 3597 (unsigned long long)expander_sas_address); 3598 sas_port_delete(port); 3599 mptsas_port_delete(ioc, port_details); 3600 } 3601 out: 3602 3603 printk(MYIOC_s_INFO_FMT "delete expander: num_phys %d, " 3604 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys, 3605 (unsigned long long)expander_sas_address); 3606 3607 /* 3608 * free link 3609 */ 3610 list_del(&port_info->list); 3611 kfree(port_info->phy_info); 3612 kfree(port_info); 3613 } 3614 3615 3616 /** 3617 * mptsas_send_expander_event - expanders events 3618 * @fw_event: event data 3619 * 3620 * 3621 * This function handles adding, removing, and refreshing 3622 * device handles within the expander objects. 3623 */ 3624 static void 3625 mptsas_send_expander_event(struct fw_event_work *fw_event) 3626 { 3627 MPT_ADAPTER *ioc; 3628 MpiEventDataSasExpanderStatusChange_t *expander_data; 3629 struct mptsas_portinfo *port_info; 3630 __le64 sas_address; 3631 int i; 3632 3633 ioc = fw_event->ioc; 3634 expander_data = (MpiEventDataSasExpanderStatusChange_t *) 3635 fw_event->event_data; 3636 memcpy(&sas_address, &expander_data->SASAddress, sizeof(__le64)); 3637 sas_address = le64_to_cpu(sas_address); 3638 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address); 3639 3640 if (expander_data->ReasonCode == MPI_EVENT_SAS_EXP_RC_ADDED) { 3641 if (port_info) { 3642 for (i = 0; i < port_info->num_phys; i++) { 3643 port_info->phy_info[i].portinfo = port_info; 3644 port_info->phy_info[i].handle = 3645 le16_to_cpu(expander_data->DevHandle); 3646 port_info->phy_info[i].identify.sas_address = 3647 le64_to_cpu(sas_address); 3648 port_info->phy_info[i].identify.handle_parent = 3649 le16_to_cpu(expander_data->ParentDevHandle); 3650 } 3651 mptsas_expander_refresh(ioc, port_info); 3652 } else if (!port_info && expander_data->NumPhys) 3653 mptsas_expander_event_add(ioc, expander_data); 3654 } else if (expander_data->ReasonCode == 3655 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING) 3656 mptsas_expander_delete(ioc, port_info, 0); 3657 3658 mptsas_free_fw_event(ioc, fw_event); 3659 } 3660 3661 3662 /** 3663 * mptsas_expander_add - adds a newly discovered expander 3664 * @ioc: Pointer to MPT_ADAPTER structure 3665 * @handle: device handle 3666 * 3667 */ 3668 static struct mptsas_portinfo * 3669 mptsas_expander_add(MPT_ADAPTER *ioc, u16 handle) 3670 { 3671 struct mptsas_portinfo buffer, *port_info; 3672 int i; 3673 3674 if ((mptsas_sas_expander_pg0(ioc, &buffer, 3675 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE << 3676 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle))) 3677 return NULL; 3678 3679 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL); 3680 if (!port_info) { 3681 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 3682 "%s: exit at line=%d\n", ioc->name, 3683 __func__, __LINE__)); 3684 return NULL; 3685 } 3686 port_info->num_phys = buffer.num_phys; 3687 port_info->phy_info = buffer.phy_info; 3688 for (i = 0; i < port_info->num_phys; i++) 3689 port_info->phy_info[i].portinfo = port_info; 3690 mutex_lock(&ioc->sas_topology_mutex); 3691 list_add_tail(&port_info->list, &ioc->sas_topology); 3692 mutex_unlock(&ioc->sas_topology_mutex); 3693 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, " 3694 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys, 3695 (unsigned long long)buffer.phy_info[0].identify.sas_address); 3696 mptsas_expander_refresh(ioc, port_info); 3697 return port_info; 3698 } 3699 3700 static void 3701 mptsas_send_link_status_event(struct fw_event_work *fw_event) 3702 { 3703 MPT_ADAPTER *ioc; 3704 MpiEventDataSasPhyLinkStatus_t *link_data; 3705 struct mptsas_portinfo *port_info; 3706 struct mptsas_phyinfo *phy_info = NULL; 3707 __le64 sas_address; 3708 u8 phy_num; 3709 u8 link_rate; 3710 3711 ioc = fw_event->ioc; 3712 link_data = (MpiEventDataSasPhyLinkStatus_t *)fw_event->event_data; 3713 3714 memcpy(&sas_address, &link_data->SASAddress, sizeof(__le64)); 3715 sas_address = le64_to_cpu(sas_address); 3716 link_rate = link_data->LinkRates >> 4; 3717 phy_num = link_data->PhyNum; 3718 3719 port_info = mptsas_find_portinfo_by_sas_address(ioc, sas_address); 3720 if (port_info) { 3721 phy_info = &port_info->phy_info[phy_num]; 3722 if (phy_info) 3723 phy_info->negotiated_link_rate = link_rate; 3724 } 3725 3726 if (link_rate == MPI_SAS_IOUNIT0_RATE_1_5 || 3727 link_rate == MPI_SAS_IOUNIT0_RATE_3_0 || 3728 link_rate == MPI_SAS_IOUNIT0_RATE_6_0) { 3729 3730 if (!port_info) { 3731 if (ioc->old_sas_discovery_protocal) { 3732 port_info = mptsas_expander_add(ioc, 3733 le16_to_cpu(link_data->DevHandle)); 3734 if (port_info) 3735 goto out; 3736 } 3737 goto out; 3738 } 3739 3740 if (port_info == ioc->hba_port_info) 3741 mptsas_probe_hba_phys(ioc); 3742 else 3743 mptsas_expander_refresh(ioc, port_info); 3744 } else if (phy_info && phy_info->phy) { 3745 if (link_rate == MPI_SAS_IOUNIT0_RATE_PHY_DISABLED) 3746 phy_info->phy->negotiated_linkrate = 3747 SAS_PHY_DISABLED; 3748 else if (link_rate == 3749 MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION) 3750 phy_info->phy->negotiated_linkrate = 3751 SAS_LINK_RATE_FAILED; 3752 else { 3753 phy_info->phy->negotiated_linkrate = 3754 SAS_LINK_RATE_UNKNOWN; 3755 if (ioc->device_missing_delay && 3756 mptsas_is_end_device(&phy_info->attached)) { 3757 struct scsi_device *sdev; 3758 VirtDevice *vdevice; 3759 u8 channel, id; 3760 id = phy_info->attached.id; 3761 channel = phy_info->attached.channel; 3762 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3763 "Link down for fw_id %d:fw_channel %d\n", 3764 ioc->name, phy_info->attached.id, 3765 phy_info->attached.channel)); 3766 3767 shost_for_each_device(sdev, ioc->sh) { 3768 vdevice = sdev->hostdata; 3769 if ((vdevice == NULL) || 3770 (vdevice->vtarget == NULL)) 3771 continue; 3772 if ((vdevice->vtarget->tflags & 3773 MPT_TARGET_FLAGS_RAID_COMPONENT || 3774 vdevice->vtarget->raidVolume)) 3775 continue; 3776 if (vdevice->vtarget->id == id && 3777 vdevice->vtarget->channel == 3778 channel) 3779 devtprintk(ioc, 3780 printk(MYIOC_s_DEBUG_FMT 3781 "SDEV OUTSTANDING CMDS" 3782 "%d\n", ioc->name, 3783 scsi_device_busy(sdev))); 3784 } 3785 3786 } 3787 } 3788 } 3789 out: 3790 mptsas_free_fw_event(ioc, fw_event); 3791 } 3792 3793 static void 3794 mptsas_not_responding_devices(MPT_ADAPTER *ioc) 3795 { 3796 struct mptsas_portinfo buffer, *port_info; 3797 struct mptsas_device_info *sas_info; 3798 struct mptsas_devinfo sas_device; 3799 u32 handle; 3800 VirtTarget *vtarget = NULL; 3801 struct mptsas_phyinfo *phy_info; 3802 u8 found_expander; 3803 int retval, retry_count; 3804 unsigned long flags; 3805 3806 mpt_findImVolumes(ioc); 3807 3808 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 3809 if (ioc->ioc_reset_in_progress) { 3810 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3811 "%s: exiting due to a parallel reset \n", ioc->name, 3812 __func__)); 3813 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 3814 return; 3815 } 3816 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); 3817 3818 /* devices, logical volumes */ 3819 mutex_lock(&ioc->sas_device_info_mutex); 3820 redo_device_scan: 3821 list_for_each_entry(sas_info, &ioc->sas_device_info_list, list) { 3822 if (sas_info->is_cached) 3823 continue; 3824 if (!sas_info->is_logical_volume) { 3825 sas_device.handle = 0; 3826 retry_count = 0; 3827 retry_page: 3828 retval = mptsas_sas_device_pg0(ioc, &sas_device, 3829 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID 3830 << MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 3831 (sas_info->fw.channel << 8) + 3832 sas_info->fw.id); 3833 3834 if (sas_device.handle) 3835 continue; 3836 if (retval == -EBUSY) { 3837 spin_lock_irqsave(&ioc->taskmgmt_lock, flags); 3838 if (ioc->ioc_reset_in_progress) { 3839 dfailprintk(ioc, 3840 printk(MYIOC_s_DEBUG_FMT 3841 "%s: exiting due to reset\n", 3842 ioc->name, __func__)); 3843 spin_unlock_irqrestore 3844 (&ioc->taskmgmt_lock, flags); 3845 mutex_unlock(&ioc-> 3846 sas_device_info_mutex); 3847 return; 3848 } 3849 spin_unlock_irqrestore(&ioc->taskmgmt_lock, 3850 flags); 3851 } 3852 3853 if (retval && (retval != -ENODEV)) { 3854 if (retry_count < 10) { 3855 retry_count++; 3856 goto retry_page; 3857 } else { 3858 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 3859 "%s: Config page retry exceeded retry " 3860 "count deleting device 0x%llx\n", 3861 ioc->name, __func__, 3862 sas_info->sas_address)); 3863 } 3864 } 3865 3866 /* delete device */ 3867 vtarget = mptsas_find_vtarget(ioc, 3868 sas_info->fw.channel, sas_info->fw.id); 3869 3870 if (vtarget) 3871 vtarget->deleted = 1; 3872 3873 phy_info = mptsas_find_phyinfo_by_sas_address(ioc, 3874 sas_info->sas_address); 3875 3876 mptsas_del_end_device(ioc, phy_info); 3877 goto redo_device_scan; 3878 } else 3879 mptsas_volume_delete(ioc, sas_info->fw.id); 3880 } 3881 mutex_unlock(&ioc->sas_device_info_mutex); 3882 3883 /* expanders */ 3884 mutex_lock(&ioc->sas_topology_mutex); 3885 redo_expander_scan: 3886 list_for_each_entry(port_info, &ioc->sas_topology, list) { 3887 3888 if (!(port_info->phy_info[0].identify.device_info & 3889 MPI_SAS_DEVICE_INFO_SMP_TARGET)) 3890 continue; 3891 found_expander = 0; 3892 handle = 0xFFFF; 3893 while (!mptsas_sas_expander_pg0(ioc, &buffer, 3894 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE << 3895 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle) && 3896 !found_expander) { 3897 3898 handle = buffer.phy_info[0].handle; 3899 if (buffer.phy_info[0].identify.sas_address == 3900 port_info->phy_info[0].identify.sas_address) { 3901 found_expander = 1; 3902 } 3903 kfree(buffer.phy_info); 3904 } 3905 3906 if (!found_expander) { 3907 mptsas_expander_delete(ioc, port_info, 0); 3908 goto redo_expander_scan; 3909 } 3910 } 3911 mutex_unlock(&ioc->sas_topology_mutex); 3912 } 3913 3914 /** 3915 * mptsas_probe_expanders - adding expanders 3916 * @ioc: Pointer to MPT_ADAPTER structure 3917 * 3918 **/ 3919 static void 3920 mptsas_probe_expanders(MPT_ADAPTER *ioc) 3921 { 3922 struct mptsas_portinfo buffer, *port_info; 3923 u32 handle; 3924 int i; 3925 3926 handle = 0xFFFF; 3927 while (!mptsas_sas_expander_pg0(ioc, &buffer, 3928 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE << 3929 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), handle)) { 3930 3931 handle = buffer.phy_info[0].handle; 3932 port_info = mptsas_find_portinfo_by_sas_address(ioc, 3933 buffer.phy_info[0].identify.sas_address); 3934 3935 if (port_info) { 3936 /* refreshing handles */ 3937 for (i = 0; i < buffer.num_phys; i++) { 3938 port_info->phy_info[i].handle = handle; 3939 port_info->phy_info[i].identify.handle_parent = 3940 buffer.phy_info[0].identify.handle_parent; 3941 } 3942 mptsas_expander_refresh(ioc, port_info); 3943 kfree(buffer.phy_info); 3944 continue; 3945 } 3946 3947 port_info = kzalloc(sizeof(struct mptsas_portinfo), GFP_KERNEL); 3948 if (!port_info) { 3949 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 3950 "%s: exit at line=%d\n", ioc->name, 3951 __func__, __LINE__)); 3952 return; 3953 } 3954 port_info->num_phys = buffer.num_phys; 3955 port_info->phy_info = buffer.phy_info; 3956 for (i = 0; i < port_info->num_phys; i++) 3957 port_info->phy_info[i].portinfo = port_info; 3958 mutex_lock(&ioc->sas_topology_mutex); 3959 list_add_tail(&port_info->list, &ioc->sas_topology); 3960 mutex_unlock(&ioc->sas_topology_mutex); 3961 printk(MYIOC_s_INFO_FMT "add expander: num_phys %d, " 3962 "sas_addr (0x%llx)\n", ioc->name, port_info->num_phys, 3963 (unsigned long long)buffer.phy_info[0].identify.sas_address); 3964 mptsas_expander_refresh(ioc, port_info); 3965 } 3966 } 3967 3968 static void 3969 mptsas_probe_devices(MPT_ADAPTER *ioc) 3970 { 3971 u16 handle; 3972 struct mptsas_devinfo sas_device; 3973 struct mptsas_phyinfo *phy_info; 3974 3975 handle = 0xFFFF; 3976 while (!(mptsas_sas_device_pg0(ioc, &sas_device, 3977 MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, handle))) { 3978 3979 handle = sas_device.handle; 3980 3981 if ((sas_device.device_info & 3982 (MPI_SAS_DEVICE_INFO_SSP_TARGET | 3983 MPI_SAS_DEVICE_INFO_STP_TARGET | 3984 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) 3985 continue; 3986 3987 /* If there is no FW B_T mapping for this device then continue 3988 * */ 3989 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT) 3990 || !(sas_device.flags & 3991 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED)) 3992 continue; 3993 3994 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device); 3995 if (!phy_info) 3996 continue; 3997 3998 if (mptsas_get_rphy(phy_info)) 3999 continue; 4000 4001 mptsas_add_end_device(ioc, phy_info); 4002 } 4003 } 4004 4005 /** 4006 * mptsas_scan_sas_topology - scans new SAS topology 4007 * (part of probe or rescan) 4008 * @ioc: Pointer to MPT_ADAPTER structure 4009 * 4010 **/ 4011 static void 4012 mptsas_scan_sas_topology(MPT_ADAPTER *ioc) 4013 { 4014 struct scsi_device *sdev; 4015 int i; 4016 4017 mptsas_probe_hba_phys(ioc); 4018 mptsas_probe_expanders(ioc); 4019 mptsas_probe_devices(ioc); 4020 4021 /* 4022 Reporting RAID volumes. 4023 */ 4024 if (!ioc->ir_firmware || !ioc->raid_data.pIocPg2 || 4025 !ioc->raid_data.pIocPg2->NumActiveVolumes) 4026 return; 4027 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) { 4028 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, 4029 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0); 4030 if (sdev) { 4031 scsi_device_put(sdev); 4032 continue; 4033 } 4034 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, " 4035 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, 4036 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID); 4037 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL, 4038 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0); 4039 } 4040 } 4041 4042 4043 static void 4044 mptsas_handle_queue_full_event(struct fw_event_work *fw_event) 4045 { 4046 MPT_ADAPTER *ioc; 4047 EventDataQueueFull_t *qfull_data; 4048 struct mptsas_device_info *sas_info; 4049 struct scsi_device *sdev; 4050 int depth; 4051 int id = -1; 4052 int channel = -1; 4053 int fw_id, fw_channel; 4054 u16 current_depth; 4055 4056 4057 ioc = fw_event->ioc; 4058 qfull_data = (EventDataQueueFull_t *)fw_event->event_data; 4059 fw_id = qfull_data->TargetID; 4060 fw_channel = qfull_data->Bus; 4061 current_depth = le16_to_cpu(qfull_data->CurrentDepth); 4062 4063 /* if hidden raid component, look for the volume id */ 4064 mutex_lock(&ioc->sas_device_info_mutex); 4065 if (mptscsih_is_phys_disk(ioc, fw_channel, fw_id)) { 4066 list_for_each_entry(sas_info, &ioc->sas_device_info_list, 4067 list) { 4068 if (sas_info->is_cached || 4069 sas_info->is_logical_volume) 4070 continue; 4071 if (sas_info->is_hidden_raid_component && 4072 (sas_info->fw.channel == fw_channel && 4073 sas_info->fw.id == fw_id)) { 4074 id = sas_info->volume_id; 4075 channel = MPTSAS_RAID_CHANNEL; 4076 goto out; 4077 } 4078 } 4079 } else { 4080 list_for_each_entry(sas_info, &ioc->sas_device_info_list, 4081 list) { 4082 if (sas_info->is_cached || 4083 sas_info->is_hidden_raid_component || 4084 sas_info->is_logical_volume) 4085 continue; 4086 if (sas_info->fw.channel == fw_channel && 4087 sas_info->fw.id == fw_id) { 4088 id = sas_info->os.id; 4089 channel = sas_info->os.channel; 4090 goto out; 4091 } 4092 } 4093 4094 } 4095 4096 out: 4097 mutex_unlock(&ioc->sas_device_info_mutex); 4098 4099 if (id != -1) { 4100 shost_for_each_device(sdev, ioc->sh) { 4101 if (sdev->id == id && sdev->channel == channel) { 4102 if (current_depth > sdev->queue_depth) { 4103 sdev_printk(KERN_INFO, sdev, 4104 "strange observation, the queue " 4105 "depth is (%d) meanwhile fw queue " 4106 "depth (%d)\n", sdev->queue_depth, 4107 current_depth); 4108 continue; 4109 } 4110 depth = scsi_track_queue_full(sdev, 4111 sdev->queue_depth - 1); 4112 if (depth > 0) 4113 sdev_printk(KERN_INFO, sdev, 4114 "Queue depth reduced to (%d)\n", 4115 depth); 4116 else if (depth < 0) 4117 sdev_printk(KERN_INFO, sdev, 4118 "Tagged Command Queueing is being " 4119 "disabled\n"); 4120 else if (depth == 0) 4121 sdev_printk(KERN_DEBUG, sdev, 4122 "Queue depth not changed yet\n"); 4123 } 4124 } 4125 } 4126 4127 mptsas_free_fw_event(ioc, fw_event); 4128 } 4129 4130 4131 static struct mptsas_phyinfo * 4132 mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address) 4133 { 4134 struct mptsas_portinfo *port_info; 4135 struct mptsas_phyinfo *phy_info = NULL; 4136 int i; 4137 4138 mutex_lock(&ioc->sas_topology_mutex); 4139 list_for_each_entry(port_info, &ioc->sas_topology, list) { 4140 for (i = 0; i < port_info->num_phys; i++) { 4141 if (!mptsas_is_end_device( 4142 &port_info->phy_info[i].attached)) 4143 continue; 4144 if (port_info->phy_info[i].attached.sas_address 4145 != sas_address) 4146 continue; 4147 phy_info = &port_info->phy_info[i]; 4148 break; 4149 } 4150 } 4151 mutex_unlock(&ioc->sas_topology_mutex); 4152 return phy_info; 4153 } 4154 4155 /** 4156 * mptsas_find_phyinfo_by_phys_disk_num - find phyinfo for the 4157 * specified @phys_disk_num 4158 * @ioc: Pointer to MPT_ADAPTER structure 4159 * @phys_disk_num: (hot plug) physical disk number (for RAID support) 4160 * @channel: channel number 4161 * @id: Logical Target ID 4162 * 4163 **/ 4164 static struct mptsas_phyinfo * 4165 mptsas_find_phyinfo_by_phys_disk_num(MPT_ADAPTER *ioc, u8 phys_disk_num, 4166 u8 channel, u8 id) 4167 { 4168 struct mptsas_phyinfo *phy_info = NULL; 4169 struct mptsas_portinfo *port_info; 4170 RaidPhysDiskPage1_t *phys_disk = NULL; 4171 int num_paths; 4172 u64 sas_address = 0; 4173 int i; 4174 4175 phy_info = NULL; 4176 if (!ioc->raid_data.pIocPg3) 4177 return NULL; 4178 /* dual port support */ 4179 num_paths = mpt_raid_phys_disk_get_num_paths(ioc, phys_disk_num); 4180 if (!num_paths) 4181 goto out; 4182 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) + 4183 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL); 4184 if (!phys_disk) 4185 goto out; 4186 mpt_raid_phys_disk_pg1(ioc, phys_disk_num, phys_disk); 4187 for (i = 0; i < num_paths; i++) { 4188 if ((phys_disk->Path[i].Flags & 1) != 0) 4189 /* entry no longer valid */ 4190 continue; 4191 if ((id == phys_disk->Path[i].PhysDiskID) && 4192 (channel == phys_disk->Path[i].PhysDiskBus)) { 4193 memcpy(&sas_address, &phys_disk->Path[i].WWID, 4194 sizeof(u64)); 4195 phy_info = mptsas_find_phyinfo_by_sas_address(ioc, 4196 sas_address); 4197 goto out; 4198 } 4199 } 4200 4201 out: 4202 kfree(phys_disk); 4203 if (phy_info) 4204 return phy_info; 4205 4206 /* 4207 * Extra code to handle RAID0 case, where the sas_address is not updated 4208 * in phys_disk_page_1 when hotswapped 4209 */ 4210 mutex_lock(&ioc->sas_topology_mutex); 4211 list_for_each_entry(port_info, &ioc->sas_topology, list) { 4212 for (i = 0; i < port_info->num_phys && !phy_info; i++) { 4213 if (!mptsas_is_end_device( 4214 &port_info->phy_info[i].attached)) 4215 continue; 4216 if (port_info->phy_info[i].attached.phys_disk_num == ~0) 4217 continue; 4218 if ((port_info->phy_info[i].attached.phys_disk_num == 4219 phys_disk_num) && 4220 (port_info->phy_info[i].attached.id == id) && 4221 (port_info->phy_info[i].attached.channel == 4222 channel)) 4223 phy_info = &port_info->phy_info[i]; 4224 } 4225 } 4226 mutex_unlock(&ioc->sas_topology_mutex); 4227 return phy_info; 4228 } 4229 4230 static void 4231 mptsas_reprobe_lun(struct scsi_device *sdev, void *data) 4232 { 4233 int rc; 4234 4235 sdev->no_uld_attach = data ? 1 : 0; 4236 rc = scsi_device_reprobe(sdev); 4237 } 4238 4239 static void 4240 mptsas_reprobe_target(struct scsi_target *starget, int uld_attach) 4241 { 4242 starget_for_each_device(starget, uld_attach ? (void *)1 : NULL, 4243 mptsas_reprobe_lun); 4244 } 4245 4246 static void 4247 mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id) 4248 { 4249 CONFIGPARMS cfg; 4250 ConfigPageHeader_t hdr; 4251 dma_addr_t dma_handle; 4252 pRaidVolumePage0_t buffer = NULL; 4253 RaidPhysDiskPage0_t phys_disk; 4254 int i; 4255 struct mptsas_phyinfo *phy_info; 4256 struct mptsas_devinfo sas_device; 4257 4258 memset(&cfg, 0 , sizeof(CONFIGPARMS)); 4259 memset(&hdr, 0 , sizeof(ConfigPageHeader_t)); 4260 hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_VOLUME; 4261 cfg.pageAddr = (channel << 8) + id; 4262 cfg.cfghdr.hdr = &hdr; 4263 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; 4264 cfg.timeout = SAS_CONFIG_PAGE_TIMEOUT; 4265 4266 if (mpt_config(ioc, &cfg) != 0) 4267 goto out; 4268 4269 if (!hdr.PageLength) 4270 goto out; 4271 4272 buffer = dma_alloc_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, 4273 &dma_handle, GFP_KERNEL); 4274 4275 if (!buffer) 4276 goto out; 4277 4278 cfg.physAddr = dma_handle; 4279 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; 4280 4281 if (mpt_config(ioc, &cfg) != 0) 4282 goto out; 4283 4284 if (!(buffer->VolumeStatus.Flags & 4285 MPI_RAIDVOL0_STATUS_FLAG_VOLUME_INACTIVE)) 4286 goto out; 4287 4288 if (!buffer->NumPhysDisks) 4289 goto out; 4290 4291 for (i = 0; i < buffer->NumPhysDisks; i++) { 4292 4293 if (mpt_raid_phys_disk_pg0(ioc, 4294 buffer->PhysDisk[i].PhysDiskNum, &phys_disk) != 0) 4295 continue; 4296 4297 if (mptsas_sas_device_pg0(ioc, &sas_device, 4298 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << 4299 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 4300 (phys_disk.PhysDiskBus << 8) + 4301 phys_disk.PhysDiskID)) 4302 continue; 4303 4304 /* If there is no FW B_T mapping for this device then continue 4305 * */ 4306 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT) 4307 || !(sas_device.flags & 4308 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED)) 4309 continue; 4310 4311 4312 phy_info = mptsas_find_phyinfo_by_sas_address(ioc, 4313 sas_device.sas_address); 4314 mptsas_add_end_device(ioc, phy_info); 4315 } 4316 4317 out: 4318 if (buffer) 4319 dma_free_coherent(&ioc->pcidev->dev, hdr.PageLength * 4, 4320 buffer, dma_handle); 4321 } 4322 /* 4323 * Work queue thread to handle SAS hotplug events 4324 */ 4325 static void 4326 mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event, 4327 struct mptsas_hotplug_event *hot_plug_info) 4328 { 4329 struct mptsas_phyinfo *phy_info; 4330 struct scsi_target * starget; 4331 struct mptsas_devinfo sas_device; 4332 VirtTarget *vtarget; 4333 int i; 4334 struct mptsas_portinfo *port_info; 4335 4336 switch (hot_plug_info->event_type) { 4337 4338 case MPTSAS_ADD_PHYSDISK: 4339 4340 if (!ioc->raid_data.pIocPg2) 4341 break; 4342 4343 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) { 4344 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == 4345 hot_plug_info->id) { 4346 printk(MYIOC_s_WARN_FMT "firmware bug: unable " 4347 "to add hidden disk - target_id matches " 4348 "volume_id\n", ioc->name); 4349 mptsas_free_fw_event(ioc, fw_event); 4350 return; 4351 } 4352 } 4353 mpt_findImVolumes(ioc); 4354 fallthrough; 4355 4356 case MPTSAS_ADD_DEVICE: 4357 memset(&sas_device, 0, sizeof(struct mptsas_devinfo)); 4358 mptsas_sas_device_pg0(ioc, &sas_device, 4359 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << 4360 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 4361 (hot_plug_info->channel << 8) + 4362 hot_plug_info->id); 4363 4364 /* If there is no FW B_T mapping for this device then break 4365 * */ 4366 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT) 4367 || !(sas_device.flags & 4368 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED)) 4369 break; 4370 4371 if (!sas_device.handle) 4372 return; 4373 4374 phy_info = mptsas_refreshing_device_handles(ioc, &sas_device); 4375 /* Device hot plug */ 4376 if (!phy_info) { 4377 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4378 "%s %d HOT PLUG: " 4379 "parent handle of device %x\n", ioc->name, 4380 __func__, __LINE__, sas_device.handle_parent)); 4381 port_info = mptsas_find_portinfo_by_handle(ioc, 4382 sas_device.handle_parent); 4383 4384 if (port_info == ioc->hba_port_info) 4385 mptsas_probe_hba_phys(ioc); 4386 else if (port_info) 4387 mptsas_expander_refresh(ioc, port_info); 4388 else { 4389 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 4390 "%s %d port info is NULL\n", 4391 ioc->name, __func__, __LINE__)); 4392 break; 4393 } 4394 phy_info = mptsas_refreshing_device_handles 4395 (ioc, &sas_device); 4396 } 4397 4398 if (!phy_info) { 4399 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 4400 "%s %d phy info is NULL\n", 4401 ioc->name, __func__, __LINE__)); 4402 break; 4403 } 4404 4405 if (mptsas_get_rphy(phy_info)) 4406 break; 4407 4408 mptsas_add_end_device(ioc, phy_info); 4409 break; 4410 4411 case MPTSAS_DEL_DEVICE: 4412 phy_info = mptsas_find_phyinfo_by_sas_address(ioc, 4413 hot_plug_info->sas_address); 4414 mptsas_del_end_device(ioc, phy_info); 4415 break; 4416 4417 case MPTSAS_DEL_PHYSDISK: 4418 4419 mpt_findImVolumes(ioc); 4420 4421 phy_info = mptsas_find_phyinfo_by_phys_disk_num( 4422 ioc, hot_plug_info->phys_disk_num, 4423 hot_plug_info->channel, 4424 hot_plug_info->id); 4425 mptsas_del_end_device(ioc, phy_info); 4426 break; 4427 4428 case MPTSAS_ADD_PHYSDISK_REPROBE: 4429 4430 if (mptsas_sas_device_pg0(ioc, &sas_device, 4431 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << 4432 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 4433 (hot_plug_info->channel << 8) + hot_plug_info->id)) { 4434 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 4435 "%s: fw_id=%d exit at line=%d\n", ioc->name, 4436 __func__, hot_plug_info->id, __LINE__)); 4437 break; 4438 } 4439 4440 /* If there is no FW B_T mapping for this device then break 4441 * */ 4442 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT) 4443 || !(sas_device.flags & 4444 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED)) 4445 break; 4446 4447 phy_info = mptsas_find_phyinfo_by_sas_address( 4448 ioc, sas_device.sas_address); 4449 4450 if (!phy_info) { 4451 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 4452 "%s: fw_id=%d exit at line=%d\n", ioc->name, 4453 __func__, hot_plug_info->id, __LINE__)); 4454 break; 4455 } 4456 4457 starget = mptsas_get_starget(phy_info); 4458 if (!starget) { 4459 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 4460 "%s: fw_id=%d exit at line=%d\n", ioc->name, 4461 __func__, hot_plug_info->id, __LINE__)); 4462 break; 4463 } 4464 4465 vtarget = starget->hostdata; 4466 if (!vtarget) { 4467 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 4468 "%s: fw_id=%d exit at line=%d\n", ioc->name, 4469 __func__, hot_plug_info->id, __LINE__)); 4470 break; 4471 } 4472 4473 mpt_findImVolumes(ioc); 4474 4475 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Hidding: " 4476 "fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n", 4477 ioc->name, hot_plug_info->channel, hot_plug_info->id, 4478 hot_plug_info->phys_disk_num, (unsigned long long) 4479 sas_device.sas_address); 4480 4481 vtarget->id = hot_plug_info->phys_disk_num; 4482 vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT; 4483 phy_info->attached.phys_disk_num = hot_plug_info->phys_disk_num; 4484 mptsas_reprobe_target(starget, 1); 4485 break; 4486 4487 case MPTSAS_DEL_PHYSDISK_REPROBE: 4488 4489 if (mptsas_sas_device_pg0(ioc, &sas_device, 4490 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << 4491 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 4492 (hot_plug_info->channel << 8) + hot_plug_info->id)) { 4493 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 4494 "%s: fw_id=%d exit at line=%d\n", 4495 ioc->name, __func__, 4496 hot_plug_info->id, __LINE__)); 4497 break; 4498 } 4499 4500 /* If there is no FW B_T mapping for this device then break 4501 * */ 4502 if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT) 4503 || !(sas_device.flags & 4504 MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED)) 4505 break; 4506 4507 phy_info = mptsas_find_phyinfo_by_sas_address(ioc, 4508 sas_device.sas_address); 4509 if (!phy_info) { 4510 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 4511 "%s: fw_id=%d exit at line=%d\n", ioc->name, 4512 __func__, hot_plug_info->id, __LINE__)); 4513 break; 4514 } 4515 4516 starget = mptsas_get_starget(phy_info); 4517 if (!starget) { 4518 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 4519 "%s: fw_id=%d exit at line=%d\n", ioc->name, 4520 __func__, hot_plug_info->id, __LINE__)); 4521 break; 4522 } 4523 4524 vtarget = starget->hostdata; 4525 if (!vtarget) { 4526 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 4527 "%s: fw_id=%d exit at line=%d\n", ioc->name, 4528 __func__, hot_plug_info->id, __LINE__)); 4529 break; 4530 } 4531 4532 if (!(vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)) { 4533 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT 4534 "%s: fw_id=%d exit at line=%d\n", ioc->name, 4535 __func__, hot_plug_info->id, __LINE__)); 4536 break; 4537 } 4538 4539 mpt_findImVolumes(ioc); 4540 4541 starget_printk(KERN_INFO, starget, MYIOC_s_FMT "RAID Exposing:" 4542 " fw_channel=%d, fw_id=%d, physdsk %d, sas_addr 0x%llx\n", 4543 ioc->name, hot_plug_info->channel, hot_plug_info->id, 4544 hot_plug_info->phys_disk_num, (unsigned long long) 4545 sas_device.sas_address); 4546 4547 vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT; 4548 vtarget->id = hot_plug_info->id; 4549 phy_info->attached.phys_disk_num = ~0; 4550 mptsas_reprobe_target(starget, 0); 4551 mptsas_add_device_component_by_fw(ioc, 4552 hot_plug_info->channel, hot_plug_info->id); 4553 break; 4554 4555 case MPTSAS_ADD_RAID: 4556 4557 mpt_findImVolumes(ioc); 4558 printk(MYIOC_s_INFO_FMT "attaching raid volume, channel %d, " 4559 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, 4560 hot_plug_info->id); 4561 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL, 4562 hot_plug_info->id, 0); 4563 break; 4564 4565 case MPTSAS_DEL_RAID: 4566 4567 mpt_findImVolumes(ioc); 4568 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, " 4569 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, 4570 hot_plug_info->id); 4571 scsi_remove_device(hot_plug_info->sdev); 4572 scsi_device_put(hot_plug_info->sdev); 4573 break; 4574 4575 case MPTSAS_ADD_INACTIVE_VOLUME: 4576 4577 mpt_findImVolumes(ioc); 4578 mptsas_adding_inactive_raid_components(ioc, 4579 hot_plug_info->channel, hot_plug_info->id); 4580 break; 4581 4582 default: 4583 break; 4584 } 4585 4586 mptsas_free_fw_event(ioc, fw_event); 4587 } 4588 4589 static void 4590 mptsas_send_sas_event(struct fw_event_work *fw_event) 4591 { 4592 MPT_ADAPTER *ioc; 4593 struct mptsas_hotplug_event hot_plug_info; 4594 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data; 4595 u32 device_info; 4596 u64 sas_address; 4597 4598 ioc = fw_event->ioc; 4599 sas_event_data = (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *) 4600 fw_event->event_data; 4601 device_info = le32_to_cpu(sas_event_data->DeviceInfo); 4602 4603 if ((device_info & 4604 (MPI_SAS_DEVICE_INFO_SSP_TARGET | 4605 MPI_SAS_DEVICE_INFO_STP_TARGET | 4606 MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0) { 4607 mptsas_free_fw_event(ioc, fw_event); 4608 return; 4609 } 4610 4611 if (sas_event_data->ReasonCode == 4612 MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED) { 4613 mptbase_sas_persist_operation(ioc, 4614 MPI_SAS_OP_CLEAR_NOT_PRESENT); 4615 mptsas_free_fw_event(ioc, fw_event); 4616 return; 4617 } 4618 4619 switch (sas_event_data->ReasonCode) { 4620 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: 4621 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: 4622 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event)); 4623 hot_plug_info.handle = le16_to_cpu(sas_event_data->DevHandle); 4624 hot_plug_info.channel = sas_event_data->Bus; 4625 hot_plug_info.id = sas_event_data->TargetID; 4626 hot_plug_info.phy_id = sas_event_data->PhyNum; 4627 memcpy(&sas_address, &sas_event_data->SASAddress, 4628 sizeof(u64)); 4629 hot_plug_info.sas_address = le64_to_cpu(sas_address); 4630 hot_plug_info.device_info = device_info; 4631 if (sas_event_data->ReasonCode & 4632 MPI_EVENT_SAS_DEV_STAT_RC_ADDED) 4633 hot_plug_info.event_type = MPTSAS_ADD_DEVICE; 4634 else 4635 hot_plug_info.event_type = MPTSAS_DEL_DEVICE; 4636 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info); 4637 break; 4638 4639 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED: 4640 mptbase_sas_persist_operation(ioc, 4641 MPI_SAS_OP_CLEAR_NOT_PRESENT); 4642 mptsas_free_fw_event(ioc, fw_event); 4643 break; 4644 4645 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA: 4646 /* TODO */ 4647 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: 4648 /* TODO */ 4649 default: 4650 mptsas_free_fw_event(ioc, fw_event); 4651 break; 4652 } 4653 } 4654 4655 static void 4656 mptsas_send_raid_event(struct fw_event_work *fw_event) 4657 { 4658 MPT_ADAPTER *ioc; 4659 EVENT_DATA_RAID *raid_event_data; 4660 struct mptsas_hotplug_event hot_plug_info; 4661 int status; 4662 int state; 4663 struct scsi_device *sdev = NULL; 4664 VirtDevice *vdevice = NULL; 4665 RaidPhysDiskPage0_t phys_disk; 4666 4667 ioc = fw_event->ioc; 4668 raid_event_data = (EVENT_DATA_RAID *)fw_event->event_data; 4669 status = le32_to_cpu(raid_event_data->SettingsStatus); 4670 state = (status >> 8) & 0xff; 4671 4672 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event)); 4673 hot_plug_info.id = raid_event_data->VolumeID; 4674 hot_plug_info.channel = raid_event_data->VolumeBus; 4675 hot_plug_info.phys_disk_num = raid_event_data->PhysDiskNum; 4676 4677 if (raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_DELETED || 4678 raid_event_data->ReasonCode == MPI_EVENT_RAID_RC_VOLUME_CREATED || 4679 raid_event_data->ReasonCode == 4680 MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED) { 4681 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, 4682 hot_plug_info.id, 0); 4683 hot_plug_info.sdev = sdev; 4684 if (sdev) 4685 vdevice = sdev->hostdata; 4686 } 4687 4688 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: " 4689 "ReasonCode=%02x\n", ioc->name, __func__, 4690 raid_event_data->ReasonCode)); 4691 4692 switch (raid_event_data->ReasonCode) { 4693 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED: 4694 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK_REPROBE; 4695 break; 4696 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED: 4697 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK_REPROBE; 4698 break; 4699 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED: 4700 switch (state) { 4701 case MPI_PD_STATE_ONLINE: 4702 case MPI_PD_STATE_NOT_COMPATIBLE: 4703 mpt_raid_phys_disk_pg0(ioc, 4704 raid_event_data->PhysDiskNum, &phys_disk); 4705 hot_plug_info.id = phys_disk.PhysDiskID; 4706 hot_plug_info.channel = phys_disk.PhysDiskBus; 4707 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK; 4708 break; 4709 case MPI_PD_STATE_FAILED: 4710 case MPI_PD_STATE_MISSING: 4711 case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST: 4712 case MPI_PD_STATE_FAILED_AT_HOST_REQUEST: 4713 case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON: 4714 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK; 4715 break; 4716 default: 4717 break; 4718 } 4719 break; 4720 case MPI_EVENT_RAID_RC_VOLUME_DELETED: 4721 if (!sdev) 4722 break; 4723 vdevice->vtarget->deleted = 1; /* block IO */ 4724 hot_plug_info.event_type = MPTSAS_DEL_RAID; 4725 break; 4726 case MPI_EVENT_RAID_RC_VOLUME_CREATED: 4727 if (sdev) { 4728 scsi_device_put(sdev); 4729 break; 4730 } 4731 hot_plug_info.event_type = MPTSAS_ADD_RAID; 4732 break; 4733 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED: 4734 if (!(status & MPI_RAIDVOL0_STATUS_FLAG_ENABLED)) { 4735 if (!sdev) 4736 break; 4737 vdevice->vtarget->deleted = 1; /* block IO */ 4738 hot_plug_info.event_type = MPTSAS_DEL_RAID; 4739 break; 4740 } 4741 switch (state) { 4742 case MPI_RAIDVOL0_STATUS_STATE_FAILED: 4743 case MPI_RAIDVOL0_STATUS_STATE_MISSING: 4744 if (!sdev) 4745 break; 4746 vdevice->vtarget->deleted = 1; /* block IO */ 4747 hot_plug_info.event_type = MPTSAS_DEL_RAID; 4748 break; 4749 case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL: 4750 case MPI_RAIDVOL0_STATUS_STATE_DEGRADED: 4751 if (sdev) { 4752 scsi_device_put(sdev); 4753 break; 4754 } 4755 hot_plug_info.event_type = MPTSAS_ADD_RAID; 4756 break; 4757 default: 4758 break; 4759 } 4760 break; 4761 default: 4762 break; 4763 } 4764 4765 if (hot_plug_info.event_type != MPTSAS_IGNORE_EVENT) 4766 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info); 4767 else 4768 mptsas_free_fw_event(ioc, fw_event); 4769 } 4770 4771 /** 4772 * mptsas_issue_tm - send mptsas internal tm request 4773 * @ioc: Pointer to MPT_ADAPTER structure 4774 * @type: Task Management type 4775 * @channel: channel number for task management 4776 * @id: Logical Target ID for reset (if appropriate) 4777 * @lun: Logical unit for reset (if appropriate) 4778 * @task_context: Context for the task to be aborted 4779 * @timeout: timeout for task management control 4780 * @issue_reset: set to 1 on return if reset is needed, else 0 4781 * 4782 * Return: 0 on success or -1 on failure. 4783 * 4784 */ 4785 static int 4786 mptsas_issue_tm(MPT_ADAPTER *ioc, u8 type, u8 channel, u8 id, u64 lun, 4787 int task_context, ulong timeout, u8 *issue_reset) 4788 { 4789 MPT_FRAME_HDR *mf; 4790 SCSITaskMgmt_t *pScsiTm; 4791 int retval; 4792 unsigned long timeleft; 4793 4794 *issue_reset = 0; 4795 mf = mpt_get_msg_frame(mptsasDeviceResetCtx, ioc); 4796 if (mf == NULL) { 4797 retval = -1; /* return failure */ 4798 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "TaskMgmt request: no " 4799 "msg frames!!\n", ioc->name)); 4800 goto out; 4801 } 4802 4803 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request: mr = %p, " 4804 "task_type = 0x%02X,\n\t timeout = %ld, fw_channel = %d, " 4805 "fw_id = %d, lun = %lld,\n\t task_context = 0x%x\n", ioc->name, mf, 4806 type, timeout, channel, id, (unsigned long long)lun, 4807 task_context)); 4808 4809 pScsiTm = (SCSITaskMgmt_t *) mf; 4810 memset(pScsiTm, 0, sizeof(SCSITaskMgmt_t)); 4811 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 4812 pScsiTm->TaskType = type; 4813 pScsiTm->MsgFlags = 0; 4814 pScsiTm->TargetID = id; 4815 pScsiTm->Bus = channel; 4816 pScsiTm->ChainOffset = 0; 4817 pScsiTm->Reserved = 0; 4818 pScsiTm->Reserved1 = 0; 4819 pScsiTm->TaskMsgContext = task_context; 4820 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN); 4821 4822 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status) 4823 CLEAR_MGMT_STATUS(ioc->internal_cmds.status) 4824 retval = 0; 4825 mpt_put_msg_frame_hi_pri(mptsasDeviceResetCtx, ioc, mf); 4826 4827 /* Now wait for the command to complete */ 4828 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done, 4829 timeout*HZ); 4830 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) { 4831 retval = -1; /* return failure */ 4832 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT 4833 "TaskMgmt request: TIMED OUT!(mr=%p)\n", ioc->name, mf)); 4834 mpt_free_msg_frame(ioc, mf); 4835 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) 4836 goto out; 4837 *issue_reset = 1; 4838 goto out; 4839 } 4840 4841 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) { 4842 retval = -1; /* return failure */ 4843 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4844 "TaskMgmt request: failed with no reply\n", ioc->name)); 4845 goto out; 4846 } 4847 4848 out: 4849 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status) 4850 return retval; 4851 } 4852 4853 /** 4854 * mptsas_broadcast_primitive_work - Handle broadcast primitives 4855 * @fw_event: work queue payload containing info describing the event 4856 * 4857 * This will be handled in workqueue context. 4858 */ 4859 static void 4860 mptsas_broadcast_primitive_work(struct fw_event_work *fw_event) 4861 { 4862 MPT_ADAPTER *ioc = fw_event->ioc; 4863 MPT_FRAME_HDR *mf; 4864 VirtDevice *vdevice; 4865 int ii; 4866 struct scsi_cmnd *sc; 4867 SCSITaskMgmtReply_t *pScsiTmReply; 4868 u8 issue_reset; 4869 int task_context; 4870 u8 channel, id; 4871 int lun; 4872 u32 termination_count; 4873 u32 query_count; 4874 4875 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4876 "%s - enter\n", ioc->name, __func__)); 4877 4878 mutex_lock(&ioc->taskmgmt_cmds.mutex); 4879 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) { 4880 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 4881 mptsas_requeue_fw_event(ioc, fw_event, 1000); 4882 return; 4883 } 4884 4885 issue_reset = 0; 4886 termination_count = 0; 4887 query_count = 0; 4888 mpt_findImVolumes(ioc); 4889 pScsiTmReply = (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply; 4890 4891 for (ii = 0; ii < ioc->req_depth; ii++) { 4892 if (ioc->fw_events_off) 4893 goto out; 4894 sc = mptscsih_get_scsi_lookup(ioc, ii); 4895 if (!sc) 4896 continue; 4897 mf = MPT_INDEX_2_MFPTR(ioc, ii); 4898 if (!mf) 4899 continue; 4900 task_context = mf->u.frame.hwhdr.msgctxu.MsgContext; 4901 vdevice = sc->device->hostdata; 4902 if (!vdevice || !vdevice->vtarget) 4903 continue; 4904 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) 4905 continue; /* skip hidden raid components */ 4906 if (vdevice->vtarget->raidVolume) 4907 continue; /* skip hidden raid components */ 4908 channel = vdevice->vtarget->channel; 4909 id = vdevice->vtarget->id; 4910 lun = vdevice->lun; 4911 if (mptsas_issue_tm(ioc, MPI_SCSITASKMGMT_TASKTYPE_QUERY_TASK, 4912 channel, id, (u64)lun, task_context, 30, &issue_reset)) 4913 goto out; 4914 query_count++; 4915 termination_count += 4916 le32_to_cpu(pScsiTmReply->TerminationCount); 4917 if ((pScsiTmReply->IOCStatus == MPI_IOCSTATUS_SUCCESS) && 4918 (pScsiTmReply->ResponseCode == 4919 MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED || 4920 pScsiTmReply->ResponseCode == 4921 MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC)) 4922 continue; 4923 if (mptsas_issue_tm(ioc, 4924 MPI_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 4925 channel, id, (u64)lun, 0, 30, &issue_reset)) 4926 goto out; 4927 termination_count += 4928 le32_to_cpu(pScsiTmReply->TerminationCount); 4929 } 4930 4931 out: 4932 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT 4933 "%s - exit, query_count = %d termination_count = %d\n", 4934 ioc->name, __func__, query_count, termination_count)); 4935 4936 ioc->broadcast_aen_busy = 0; 4937 mpt_clear_taskmgmt_in_progress_flag(ioc); 4938 mutex_unlock(&ioc->taskmgmt_cmds.mutex); 4939 4940 if (issue_reset) { 4941 printk(MYIOC_s_WARN_FMT 4942 "Issuing Reset from %s!! doorbell=0x%08x\n", 4943 ioc->name, __func__, mpt_GetIocState(ioc, 0)); 4944 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); 4945 } 4946 mptsas_free_fw_event(ioc, fw_event); 4947 } 4948 4949 /* 4950 * mptsas_send_ir2_event - handle exposing hidden disk when 4951 * an inactive raid volume is added 4952 * 4953 * @ioc: Pointer to MPT_ADAPTER structure 4954 * @ir2_data 4955 * 4956 */ 4957 static void 4958 mptsas_send_ir2_event(struct fw_event_work *fw_event) 4959 { 4960 MPT_ADAPTER *ioc; 4961 struct mptsas_hotplug_event hot_plug_info; 4962 MPI_EVENT_DATA_IR2 *ir2_data; 4963 u8 reasonCode; 4964 RaidPhysDiskPage0_t phys_disk; 4965 4966 ioc = fw_event->ioc; 4967 ir2_data = (MPI_EVENT_DATA_IR2 *)fw_event->event_data; 4968 reasonCode = ir2_data->ReasonCode; 4969 4970 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Entering %s: " 4971 "ReasonCode=%02x\n", ioc->name, __func__, reasonCode)); 4972 4973 memset(&hot_plug_info, 0, sizeof(struct mptsas_hotplug_event)); 4974 hot_plug_info.id = ir2_data->TargetID; 4975 hot_plug_info.channel = ir2_data->Bus; 4976 switch (reasonCode) { 4977 case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED: 4978 hot_plug_info.event_type = MPTSAS_ADD_INACTIVE_VOLUME; 4979 break; 4980 case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED: 4981 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum; 4982 hot_plug_info.event_type = MPTSAS_DEL_PHYSDISK; 4983 break; 4984 case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED: 4985 hot_plug_info.phys_disk_num = ir2_data->PhysDiskNum; 4986 mpt_raid_phys_disk_pg0(ioc, 4987 ir2_data->PhysDiskNum, &phys_disk); 4988 hot_plug_info.id = phys_disk.PhysDiskID; 4989 hot_plug_info.event_type = MPTSAS_ADD_PHYSDISK; 4990 break; 4991 default: 4992 mptsas_free_fw_event(ioc, fw_event); 4993 return; 4994 } 4995 mptsas_hotplug_work(ioc, fw_event, &hot_plug_info); 4996 } 4997 4998 static int 4999 mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply) 5000 { 5001 u32 event = le32_to_cpu(reply->Event); 5002 int event_data_sz; 5003 struct fw_event_work *fw_event; 5004 unsigned long delay; 5005 5006 if (ioc->bus_type != SAS) 5007 return 0; 5008 5009 /* events turned off due to host reset or driver unloading */ 5010 if (ioc->fw_events_off) 5011 return 0; 5012 5013 delay = msecs_to_jiffies(1); 5014 switch (event) { 5015 case MPI_EVENT_SAS_BROADCAST_PRIMITIVE: 5016 { 5017 EVENT_DATA_SAS_BROADCAST_PRIMITIVE *broadcast_event_data = 5018 (EVENT_DATA_SAS_BROADCAST_PRIMITIVE *)reply->Data; 5019 if (broadcast_event_data->Primitive != 5020 MPI_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT) 5021 return 0; 5022 if (ioc->broadcast_aen_busy) 5023 return 0; 5024 ioc->broadcast_aen_busy = 1; 5025 break; 5026 } 5027 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 5028 { 5029 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data = 5030 (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data; 5031 u16 ioc_stat; 5032 ioc_stat = le16_to_cpu(reply->IOCStatus); 5033 5034 if (sas_event_data->ReasonCode == 5035 MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) { 5036 mptsas_target_reset_queue(ioc, sas_event_data); 5037 return 0; 5038 } 5039 if (sas_event_data->ReasonCode == 5040 MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET && 5041 ioc->device_missing_delay && 5042 (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)) { 5043 VirtTarget *vtarget = NULL; 5044 u8 id, channel; 5045 5046 id = sas_event_data->TargetID; 5047 channel = sas_event_data->Bus; 5048 5049 vtarget = mptsas_find_vtarget(ioc, channel, id); 5050 if (vtarget) { 5051 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 5052 "LogInfo (0x%x) available for " 5053 "INTERNAL_DEVICE_RESET" 5054 "fw_id %d fw_channel %d\n", ioc->name, 5055 le32_to_cpu(reply->IOCLogInfo), 5056 id, channel)); 5057 if (vtarget->raidVolume) { 5058 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 5059 "Skipping Raid Volume for inDMD\n", 5060 ioc->name)); 5061 } else { 5062 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT 5063 "Setting device flag inDMD\n", 5064 ioc->name)); 5065 vtarget->inDMD = 1; 5066 } 5067 5068 } 5069 5070 } 5071 5072 break; 5073 } 5074 case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE: 5075 { 5076 MpiEventDataSasExpanderStatusChange_t *expander_data = 5077 (MpiEventDataSasExpanderStatusChange_t *)reply->Data; 5078 5079 if (ioc->old_sas_discovery_protocal) 5080 return 0; 5081 5082 if (expander_data->ReasonCode == 5083 MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING && 5084 ioc->device_missing_delay) 5085 delay = HZ * ioc->device_missing_delay; 5086 break; 5087 } 5088 case MPI_EVENT_SAS_DISCOVERY: 5089 { 5090 u32 discovery_status; 5091 EventDataSasDiscovery_t *discovery_data = 5092 (EventDataSasDiscovery_t *)reply->Data; 5093 5094 discovery_status = le32_to_cpu(discovery_data->DiscoveryStatus); 5095 ioc->sas_discovery_quiesce_io = discovery_status ? 1 : 0; 5096 if (ioc->old_sas_discovery_protocal && !discovery_status) 5097 mptsas_queue_rescan(ioc); 5098 return 0; 5099 } 5100 case MPI_EVENT_INTEGRATED_RAID: 5101 case MPI_EVENT_PERSISTENT_TABLE_FULL: 5102 case MPI_EVENT_IR2: 5103 case MPI_EVENT_SAS_PHY_LINK_STATUS: 5104 case MPI_EVENT_QUEUE_FULL: 5105 break; 5106 default: 5107 return 0; 5108 } 5109 5110 event_data_sz = ((reply->MsgLength * 4) - 5111 offsetof(EventNotificationReply_t, Data)); 5112 fw_event = kzalloc(sizeof(*fw_event) + event_data_sz, GFP_ATOMIC); 5113 if (!fw_event) { 5114 printk(MYIOC_s_WARN_FMT "%s: failed at (line=%d)\n", ioc->name, 5115 __func__, __LINE__); 5116 return 0; 5117 } 5118 memcpy(fw_event->event_data, reply->Data, event_data_sz); 5119 fw_event->event = event; 5120 fw_event->ioc = ioc; 5121 mptsas_add_fw_event(ioc, fw_event, delay); 5122 return 0; 5123 } 5124 5125 /* Delete a volume when no longer listed in ioc pg2 5126 */ 5127 static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id) 5128 { 5129 struct scsi_device *sdev; 5130 int i; 5131 5132 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL, id, 0); 5133 if (!sdev) 5134 return; 5135 if (!ioc->raid_data.pIocPg2) 5136 goto out; 5137 if (!ioc->raid_data.pIocPg2->NumActiveVolumes) 5138 goto out; 5139 for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) 5140 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id) 5141 goto release_sdev; 5142 out: 5143 printk(MYIOC_s_INFO_FMT "removing raid volume, channel %d, " 5144 "id %d\n", ioc->name, MPTSAS_RAID_CHANNEL, id); 5145 scsi_remove_device(sdev); 5146 release_sdev: 5147 scsi_device_put(sdev); 5148 } 5149 5150 static int 5151 mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id) 5152 { 5153 struct Scsi_Host *sh; 5154 MPT_SCSI_HOST *hd; 5155 MPT_ADAPTER *ioc; 5156 unsigned long flags; 5157 int ii; 5158 int numSGE = 0; 5159 int scale; 5160 int ioc_cap; 5161 int error=0; 5162 int r; 5163 5164 r = mpt_attach(pdev,id); 5165 if (r) 5166 return r; 5167 5168 ioc = pci_get_drvdata(pdev); 5169 mptsas_fw_event_off(ioc); 5170 ioc->DoneCtx = mptsasDoneCtx; 5171 ioc->TaskCtx = mptsasTaskCtx; 5172 ioc->InternalCtx = mptsasInternalCtx; 5173 ioc->schedule_target_reset = &mptsas_schedule_target_reset; 5174 ioc->schedule_dead_ioc_flush_running_cmds = 5175 &mptscsih_flush_running_cmds; 5176 /* Added sanity check on readiness of the MPT adapter. 5177 */ 5178 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { 5179 printk(MYIOC_s_WARN_FMT 5180 "Skipping because it's not operational!\n", 5181 ioc->name); 5182 error = -ENODEV; 5183 goto out_mptsas_probe; 5184 } 5185 5186 if (!ioc->active) { 5187 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", 5188 ioc->name); 5189 error = -ENODEV; 5190 goto out_mptsas_probe; 5191 } 5192 5193 /* Sanity check - ensure at least 1 port is INITIATOR capable 5194 */ 5195 ioc_cap = 0; 5196 for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) { 5197 if (ioc->pfacts[ii].ProtocolFlags & 5198 MPI_PORTFACTS_PROTOCOL_INITIATOR) 5199 ioc_cap++; 5200 } 5201 5202 if (!ioc_cap) { 5203 printk(MYIOC_s_WARN_FMT 5204 "Skipping ioc=%p because SCSI Initiator mode " 5205 "is NOT enabled!\n", ioc->name, ioc); 5206 return 0; 5207 } 5208 5209 sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST)); 5210 if (!sh) { 5211 printk(MYIOC_s_WARN_FMT 5212 "Unable to register controller with SCSI subsystem\n", 5213 ioc->name); 5214 error = -1; 5215 goto out_mptsas_probe; 5216 } 5217 5218 spin_lock_irqsave(&ioc->FreeQlock, flags); 5219 5220 /* Attach the SCSI Host to the IOC structure 5221 */ 5222 ioc->sh = sh; 5223 5224 sh->io_port = 0; 5225 sh->n_io_port = 0; 5226 sh->irq = 0; 5227 5228 /* set 16 byte cdb's */ 5229 sh->max_cmd_len = 16; 5230 sh->can_queue = min_t(int, ioc->req_depth - 10, sh->can_queue); 5231 sh->max_id = -1; 5232 sh->max_lun = max_lun; 5233 sh->transportt = mptsas_transport_template; 5234 5235 /* Required entry. 5236 */ 5237 sh->unique_id = ioc->id; 5238 5239 INIT_LIST_HEAD(&ioc->sas_topology); 5240 mutex_init(&ioc->sas_topology_mutex); 5241 mutex_init(&ioc->sas_discovery_mutex); 5242 mutex_init(&ioc->sas_mgmt.mutex); 5243 init_completion(&ioc->sas_mgmt.done); 5244 5245 /* Verify that we won't exceed the maximum 5246 * number of chain buffers 5247 * We can optimize: ZZ = req_sz/sizeof(SGE) 5248 * For 32bit SGE's: 5249 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ 5250 * + (req_sz - 64)/sizeof(SGE) 5251 * A slightly different algorithm is required for 5252 * 64bit SGEs. 5253 */ 5254 scale = ioc->req_sz/ioc->SGE_size; 5255 if (ioc->sg_addr_size == sizeof(u64)) { 5256 numSGE = (scale - 1) * 5257 (ioc->facts.MaxChainDepth-1) + scale + 5258 (ioc->req_sz - 60) / ioc->SGE_size; 5259 } else { 5260 numSGE = 1 + (scale - 1) * 5261 (ioc->facts.MaxChainDepth-1) + scale + 5262 (ioc->req_sz - 64) / ioc->SGE_size; 5263 } 5264 5265 if (numSGE < sh->sg_tablesize) { 5266 /* Reset this value */ 5267 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 5268 "Resetting sg_tablesize to %d from %d\n", 5269 ioc->name, numSGE, sh->sg_tablesize)); 5270 sh->sg_tablesize = numSGE; 5271 } 5272 5273 if (mpt_loadtime_max_sectors) { 5274 if (mpt_loadtime_max_sectors < 64 || 5275 mpt_loadtime_max_sectors > 8192) { 5276 printk(MYIOC_s_INFO_FMT "Invalid value passed for" 5277 "mpt_loadtime_max_sectors %d." 5278 "Range from 64 to 8192\n", ioc->name, 5279 mpt_loadtime_max_sectors); 5280 } 5281 mpt_loadtime_max_sectors &= 0xFFFFFFFE; 5282 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT 5283 "Resetting max sector to %d from %d\n", 5284 ioc->name, mpt_loadtime_max_sectors, sh->max_sectors)); 5285 sh->max_sectors = mpt_loadtime_max_sectors; 5286 } 5287 5288 hd = shost_priv(sh); 5289 hd->ioc = ioc; 5290 5291 /* SCSI needs scsi_cmnd lookup table! 5292 * (with size equal to req_depth*PtrSz!) 5293 */ 5294 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC); 5295 if (!ioc->ScsiLookup) { 5296 error = -ENOMEM; 5297 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 5298 goto out_mptsas_probe; 5299 } 5300 spin_lock_init(&ioc->scsi_lookup_lock); 5301 5302 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n", 5303 ioc->name, ioc->ScsiLookup)); 5304 5305 ioc->sas_data.ptClear = mpt_pt_clear; 5306 5307 hd->last_queue_full = 0; 5308 INIT_LIST_HEAD(&hd->target_reset_list); 5309 INIT_LIST_HEAD(&ioc->sas_device_info_list); 5310 mutex_init(&ioc->sas_device_info_mutex); 5311 5312 spin_unlock_irqrestore(&ioc->FreeQlock, flags); 5313 5314 if (ioc->sas_data.ptClear==1) { 5315 mptbase_sas_persist_operation( 5316 ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT); 5317 } 5318 5319 error = scsi_add_host(sh, &ioc->pcidev->dev); 5320 if (error) { 5321 dprintk(ioc, printk(MYIOC_s_ERR_FMT 5322 "scsi_add_host failed\n", ioc->name)); 5323 goto out_mptsas_probe; 5324 } 5325 5326 /* older firmware doesn't support expander events */ 5327 if ((ioc->facts.HeaderVersion >> 8) < 0xE) 5328 ioc->old_sas_discovery_protocal = 1; 5329 mptsas_scan_sas_topology(ioc); 5330 mptsas_fw_event_on(ioc); 5331 return 0; 5332 5333 out_mptsas_probe: 5334 5335 mptscsih_remove(pdev); 5336 return error; 5337 } 5338 5339 static void 5340 mptsas_shutdown(struct pci_dev *pdev) 5341 { 5342 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 5343 5344 mptsas_fw_event_off(ioc); 5345 mptsas_cleanup_fw_event_q(ioc); 5346 } 5347 5348 static void mptsas_remove(struct pci_dev *pdev) 5349 { 5350 MPT_ADAPTER *ioc = pci_get_drvdata(pdev); 5351 struct mptsas_portinfo *p, *n; 5352 int i; 5353 5354 if (!ioc->sh) { 5355 printk(MYIOC_s_INFO_FMT "IOC is in Target mode\n", ioc->name); 5356 mpt_detach(pdev); 5357 return; 5358 } 5359 5360 mptsas_shutdown(pdev); 5361 5362 mptsas_del_device_components(ioc); 5363 5364 ioc->sas_discovery_ignore_events = 1; 5365 sas_remove_host(ioc->sh); 5366 5367 mutex_lock(&ioc->sas_topology_mutex); 5368 list_for_each_entry_safe(p, n, &ioc->sas_topology, list) { 5369 list_del(&p->list); 5370 for (i = 0 ; i < p->num_phys ; i++) 5371 mptsas_port_delete(ioc, p->phy_info[i].port_details); 5372 5373 kfree(p->phy_info); 5374 kfree(p); 5375 } 5376 mutex_unlock(&ioc->sas_topology_mutex); 5377 ioc->hba_port_info = NULL; 5378 mptscsih_remove(pdev); 5379 } 5380 5381 static struct pci_device_id mptsas_pci_table[] = { 5382 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064, 5383 PCI_ANY_ID, PCI_ANY_ID }, 5384 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068, 5385 PCI_ANY_ID, PCI_ANY_ID }, 5386 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064E, 5387 PCI_ANY_ID, PCI_ANY_ID }, 5388 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068E, 5389 PCI_ANY_ID, PCI_ANY_ID }, 5390 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1078, 5391 PCI_ANY_ID, PCI_ANY_ID }, 5392 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068_820XELP, 5393 PCI_ANY_ID, PCI_ANY_ID }, 5394 {0} /* Terminating entry */ 5395 }; 5396 MODULE_DEVICE_TABLE(pci, mptsas_pci_table); 5397 5398 5399 static struct pci_driver mptsas_driver = { 5400 .name = "mptsas", 5401 .id_table = mptsas_pci_table, 5402 .probe = mptsas_probe, 5403 .remove = mptsas_remove, 5404 .shutdown = mptsas_shutdown, 5405 #ifdef CONFIG_PM 5406 .suspend = mptscsih_suspend, 5407 .resume = mptscsih_resume, 5408 #endif 5409 }; 5410 5411 static int __init 5412 mptsas_init(void) 5413 { 5414 int error; 5415 5416 show_mptmod_ver(my_NAME, my_VERSION); 5417 5418 mptsas_transport_template = 5419 sas_attach_transport(&mptsas_transport_functions); 5420 if (!mptsas_transport_template) 5421 return -ENODEV; 5422 5423 mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER, 5424 "mptscsih_io_done"); 5425 mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER, 5426 "mptscsih_taskmgmt_complete"); 5427 mptsasInternalCtx = 5428 mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER, 5429 "mptscsih_scandv_complete"); 5430 mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER, 5431 "mptsas_mgmt_done"); 5432 mptsasDeviceResetCtx = 5433 mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER, 5434 "mptsas_taskmgmt_complete"); 5435 5436 mpt_event_register(mptsasDoneCtx, mptsas_event_process); 5437 mpt_reset_register(mptsasDoneCtx, mptsas_ioc_reset); 5438 5439 error = pci_register_driver(&mptsas_driver); 5440 if (error) 5441 sas_release_transport(mptsas_transport_template); 5442 5443 return error; 5444 } 5445 5446 static void __exit 5447 mptsas_exit(void) 5448 { 5449 pci_unregister_driver(&mptsas_driver); 5450 sas_release_transport(mptsas_transport_template); 5451 5452 mpt_reset_deregister(mptsasDoneCtx); 5453 mpt_event_deregister(mptsasDoneCtx); 5454 5455 mpt_deregister(mptsasMgmtCtx); 5456 mpt_deregister(mptsasInternalCtx); 5457 mpt_deregister(mptsasTaskCtx); 5458 mpt_deregister(mptsasDoneCtx); 5459 mpt_deregister(mptsasDeviceResetCtx); 5460 } 5461 5462 module_init(mptsas_init); 5463 module_exit(mptsas_exit); 5464