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