1 /* 2 * This is the Fusion MPT base driver providing common API layer interface 3 * for access to MPT (Message Passing Technology) firmware. 4 * 5 * This code is based on drivers/scsi/mpt3sas/mpt3sas_base.h 6 * Copyright (C) 2012-2014 LSI Corporation 7 * Copyright (C) 2013-2014 Avago Technologies 8 * (mailto: MPT-FusionLinux.pdl@avagotech.com) 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License 12 * as published by the Free Software Foundation; either version 2 13 * of the License, or (at your option) any later version. 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 43 * USA. 44 */ 45 46 #ifndef MPT3SAS_BASE_H_INCLUDED 47 #define MPT3SAS_BASE_H_INCLUDED 48 49 #include "mpi/mpi2_type.h" 50 #include "mpi/mpi2.h" 51 #include "mpi/mpi2_ioc.h" 52 #include "mpi/mpi2_cnfg.h" 53 #include "mpi/mpi2_init.h" 54 #include "mpi/mpi2_raid.h" 55 #include "mpi/mpi2_tool.h" 56 #include "mpi/mpi2_sas.h" 57 58 #include <scsi/scsi.h> 59 #include <scsi/scsi_cmnd.h> 60 #include <scsi/scsi_device.h> 61 #include <scsi/scsi_host.h> 62 #include <scsi/scsi_tcq.h> 63 #include <scsi/scsi_transport_sas.h> 64 #include <scsi/scsi_dbg.h> 65 #include <scsi/scsi_eh.h> 66 #include <linux/pci.h> 67 #include <linux/poll.h> 68 69 #include "mpt3sas_debug.h" 70 #include "mpt3sas_trigger_diag.h" 71 72 /* driver versioning info */ 73 #define MPT3SAS_DRIVER_NAME "mpt3sas" 74 #define MPT3SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>" 75 #define MPT3SAS_DESCRIPTION "LSI MPT Fusion SAS 3.0 Device Driver" 76 #define MPT3SAS_DRIVER_VERSION "13.100.00.00" 77 #define MPT3SAS_MAJOR_VERSION 13 78 #define MPT3SAS_MINOR_VERSION 100 79 #define MPT3SAS_BUILD_VERSION 0 80 #define MPT3SAS_RELEASE_VERSION 00 81 82 #define MPT2SAS_DRIVER_NAME "mpt2sas" 83 #define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver" 84 #define MPT2SAS_DRIVER_VERSION "20.102.00.00" 85 #define MPT2SAS_MAJOR_VERSION 20 86 #define MPT2SAS_MINOR_VERSION 102 87 #define MPT2SAS_BUILD_VERSION 0 88 #define MPT2SAS_RELEASE_VERSION 00 89 90 /* 91 * Set MPT3SAS_SG_DEPTH value based on user input. 92 */ 93 #define MPT_MAX_PHYS_SEGMENTS SG_CHUNK_SIZE 94 #define MPT_MIN_PHYS_SEGMENTS 16 95 96 #ifdef CONFIG_SCSI_MPT3SAS_MAX_SGE 97 #define MPT3SAS_SG_DEPTH CONFIG_SCSI_MPT3SAS_MAX_SGE 98 #else 99 #define MPT3SAS_SG_DEPTH MPT_MAX_PHYS_SEGMENTS 100 #endif 101 102 #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE 103 #define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE 104 #else 105 #define MPT2SAS_SG_DEPTH MPT_MAX_PHYS_SEGMENTS 106 #endif 107 108 /* 109 * Generic Defines 110 */ 111 #define MPT3SAS_SATA_QUEUE_DEPTH 32 112 #define MPT3SAS_SAS_QUEUE_DEPTH 254 113 #define MPT3SAS_RAID_QUEUE_DEPTH 128 114 115 #define MPT3SAS_RAID_MAX_SECTORS 8192 116 117 #define MPT_NAME_LENGTH 32 /* generic length of strings */ 118 #define MPT_STRING_LENGTH 64 119 120 #define MPT_MAX_CALLBACKS 32 121 122 #define INTERNAL_CMDS_COUNT 10 /* reserved cmds */ 123 /* reserved for issuing internally framed scsi io cmds */ 124 #define INTERNAL_SCSIIO_CMDS_COUNT 3 125 126 #define MPI3_HIM_MASK 0xFFFFFFFF /* mask every bit*/ 127 128 #define MPT3SAS_INVALID_DEVICE_HANDLE 0xFFFF 129 130 #define MAX_CHAIN_ELEMT_SZ 16 131 #define DEFAULT_NUM_FWCHAIN_ELEMTS 8 132 133 /* 134 * reset phases 135 */ 136 #define MPT3_IOC_PRE_RESET 1 /* prior to host reset */ 137 #define MPT3_IOC_AFTER_RESET 2 /* just after host reset */ 138 #define MPT3_IOC_DONE_RESET 3 /* links re-initialized */ 139 140 /* 141 * logging format 142 */ 143 #define MPT3SAS_FMT "%s: " 144 145 /* 146 * WarpDrive Specific Log codes 147 */ 148 149 #define MPT2_WARPDRIVE_LOGENTRY (0x8002) 150 #define MPT2_WARPDRIVE_LC_SSDT (0x41) 151 #define MPT2_WARPDRIVE_LC_SSDLW (0x43) 152 #define MPT2_WARPDRIVE_LC_SSDLF (0x44) 153 #define MPT2_WARPDRIVE_LC_BRMF (0x4D) 154 155 /* 156 * per target private data 157 */ 158 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01 159 #define MPT_TARGET_FLAGS_VOLUME 0x02 160 #define MPT_TARGET_FLAGS_DELETED 0x04 161 #define MPT_TARGET_FASTPATH_IO 0x08 162 163 #define SAS2_PCI_DEVICE_B0_REVISION (0x01) 164 #define SAS3_PCI_DEVICE_C0_REVISION (0x02) 165 166 /* 167 * Intel HBA branding 168 */ 169 #define MPT2SAS_INTEL_RMS25JB080_BRANDING \ 170 "Intel(R) Integrated RAID Module RMS25JB080" 171 #define MPT2SAS_INTEL_RMS25JB040_BRANDING \ 172 "Intel(R) Integrated RAID Module RMS25JB040" 173 #define MPT2SAS_INTEL_RMS25KB080_BRANDING \ 174 "Intel(R) Integrated RAID Module RMS25KB080" 175 #define MPT2SAS_INTEL_RMS25KB040_BRANDING \ 176 "Intel(R) Integrated RAID Module RMS25KB040" 177 #define MPT2SAS_INTEL_RMS25LB040_BRANDING \ 178 "Intel(R) Integrated RAID Module RMS25LB040" 179 #define MPT2SAS_INTEL_RMS25LB080_BRANDING \ 180 "Intel(R) Integrated RAID Module RMS25LB080" 181 #define MPT2SAS_INTEL_RMS2LL080_BRANDING \ 182 "Intel Integrated RAID Module RMS2LL080" 183 #define MPT2SAS_INTEL_RMS2LL040_BRANDING \ 184 "Intel Integrated RAID Module RMS2LL040" 185 #define MPT2SAS_INTEL_RS25GB008_BRANDING \ 186 "Intel(R) RAID Controller RS25GB008" 187 #define MPT2SAS_INTEL_SSD910_BRANDING \ 188 "Intel(R) SSD 910 Series" 189 190 #define MPT3SAS_INTEL_RMS3JC080_BRANDING \ 191 "Intel(R) Integrated RAID Module RMS3JC080" 192 #define MPT3SAS_INTEL_RS3GC008_BRANDING \ 193 "Intel(R) RAID Controller RS3GC008" 194 #define MPT3SAS_INTEL_RS3FC044_BRANDING \ 195 "Intel(R) RAID Controller RS3FC044" 196 #define MPT3SAS_INTEL_RS3UC080_BRANDING \ 197 "Intel(R) RAID Controller RS3UC080" 198 199 /* 200 * Intel HBA SSDIDs 201 */ 202 #define MPT2SAS_INTEL_RMS25JB080_SSDID 0x3516 203 #define MPT2SAS_INTEL_RMS25JB040_SSDID 0x3517 204 #define MPT2SAS_INTEL_RMS25KB080_SSDID 0x3518 205 #define MPT2SAS_INTEL_RMS25KB040_SSDID 0x3519 206 #define MPT2SAS_INTEL_RMS25LB040_SSDID 0x351A 207 #define MPT2SAS_INTEL_RMS25LB080_SSDID 0x351B 208 #define MPT2SAS_INTEL_RMS2LL080_SSDID 0x350E 209 #define MPT2SAS_INTEL_RMS2LL040_SSDID 0x350F 210 #define MPT2SAS_INTEL_RS25GB008_SSDID 0x3000 211 #define MPT2SAS_INTEL_SSD910_SSDID 0x3700 212 213 #define MPT3SAS_INTEL_RMS3JC080_SSDID 0x3521 214 #define MPT3SAS_INTEL_RS3GC008_SSDID 0x3522 215 #define MPT3SAS_INTEL_RS3FC044_SSDID 0x3523 216 #define MPT3SAS_INTEL_RS3UC080_SSDID 0x3524 217 218 /* 219 * Dell HBA branding 220 */ 221 #define MPT2SAS_DELL_BRANDING_SIZE 32 222 223 #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA" 224 #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter" 225 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated" 226 #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular" 227 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded" 228 #define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200" 229 #define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS" 230 231 #define MPT3SAS_DELL_12G_HBA_BRANDING \ 232 "Dell 12Gbps HBA" 233 234 /* 235 * Dell HBA SSDIDs 236 */ 237 #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C 238 #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D 239 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E 240 #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F 241 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20 242 #define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21 243 #define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22 244 245 #define MPT3SAS_DELL_12G_HBA_SSDID 0x1F46 246 247 /* 248 * Cisco HBA branding 249 */ 250 #define MPT3SAS_CISCO_12G_8E_HBA_BRANDING \ 251 "Cisco 9300-8E 12G SAS HBA" 252 #define MPT3SAS_CISCO_12G_8I_HBA_BRANDING \ 253 "Cisco 9300-8i 12G SAS HBA" 254 #define MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING \ 255 "Cisco 12G Modular SAS Pass through Controller" 256 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING \ 257 "UCS C3X60 12G SAS Pass through Controller" 258 /* 259 * Cisco HBA SSSDIDs 260 */ 261 #define MPT3SAS_CISCO_12G_8E_HBA_SSDID 0x14C 262 #define MPT3SAS_CISCO_12G_8I_HBA_SSDID 0x154 263 #define MPT3SAS_CISCO_12G_AVILA_HBA_SSDID 0x155 264 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID 0x156 265 266 /* 267 * status bits for ioc->diag_buffer_status 268 */ 269 #define MPT3_DIAG_BUFFER_IS_REGISTERED (0x01) 270 #define MPT3_DIAG_BUFFER_IS_RELEASED (0x02) 271 #define MPT3_DIAG_BUFFER_IS_DIAG_RESET (0x04) 272 273 /* 274 * HP HBA branding 275 */ 276 #define MPT2SAS_HP_3PAR_SSVID 0x1590 277 278 #define MPT2SAS_HP_2_4_INTERNAL_BRANDING \ 279 "HP H220 Host Bus Adapter" 280 #define MPT2SAS_HP_2_4_EXTERNAL_BRANDING \ 281 "HP H221 Host Bus Adapter" 282 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING \ 283 "HP H222 Host Bus Adapter" 284 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING \ 285 "HP H220i Host Bus Adapter" 286 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING \ 287 "HP H210i Host Bus Adapter" 288 289 /* 290 * HO HBA SSDIDs 291 */ 292 #define MPT2SAS_HP_2_4_INTERNAL_SSDID 0x0041 293 #define MPT2SAS_HP_2_4_EXTERNAL_SSDID 0x0042 294 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID 0x0043 295 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID 0x0044 296 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID 0x0046 297 298 /* 299 * Combined Reply Queue constants, 300 * There are twelve Supplemental Reply Post Host Index Registers 301 * and each register is at offset 0x10 bytes from the previous one. 302 */ 303 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT 12 304 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET (0x10) 305 306 /* OEM Identifiers */ 307 #define MFG10_OEM_ID_INVALID (0x00000000) 308 #define MFG10_OEM_ID_DELL (0x00000001) 309 #define MFG10_OEM_ID_FSC (0x00000002) 310 #define MFG10_OEM_ID_SUN (0x00000003) 311 #define MFG10_OEM_ID_IBM (0x00000004) 312 313 /* GENERIC Flags 0*/ 314 #define MFG10_GF0_OCE_DISABLED (0x00000001) 315 #define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002) 316 #define MFG10_GF0_R10_DISPLAY (0x00000004) 317 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008) 318 #define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010) 319 320 #define VIRTUAL_IO_FAILED_RETRY (0x32010081) 321 322 /* OEM Specific Flags will come from OEM specific header files */ 323 struct Mpi2ManufacturingPage10_t { 324 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */ 325 U8 OEMIdentifier; /* 04h */ 326 U8 Reserved1; /* 05h */ 327 U16 Reserved2; /* 08h */ 328 U32 Reserved3; /* 0Ch */ 329 U32 GenericFlags0; /* 10h */ 330 U32 GenericFlags1; /* 14h */ 331 U32 Reserved4; /* 18h */ 332 U32 OEMSpecificFlags0; /* 1Ch */ 333 U32 OEMSpecificFlags1; /* 20h */ 334 U32 Reserved5[18]; /* 24h - 60h*/ 335 }; 336 337 338 /* Miscellaneous options */ 339 struct Mpi2ManufacturingPage11_t { 340 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */ 341 __le32 Reserved1; /* 04h */ 342 u8 Reserved2; /* 08h */ 343 u8 EEDPTagMode; /* 09h */ 344 u8 Reserved3; /* 0Ah */ 345 u8 Reserved4; /* 0Bh */ 346 __le32 Reserved5[23]; /* 0Ch-60h*/ 347 }; 348 349 /** 350 * struct MPT3SAS_TARGET - starget private hostdata 351 * @starget: starget object 352 * @sas_address: target sas address 353 * @raid_device: raid_device pointer to access volume data 354 * @handle: device handle 355 * @num_luns: number luns 356 * @flags: MPT_TARGET_FLAGS_XXX flags 357 * @deleted: target flaged for deletion 358 * @tm_busy: target is busy with TM request. 359 * @sdev: The sas_device associated with this target 360 */ 361 struct MPT3SAS_TARGET { 362 struct scsi_target *starget; 363 u64 sas_address; 364 struct _raid_device *raid_device; 365 u16 handle; 366 int num_luns; 367 u32 flags; 368 u8 deleted; 369 u8 tm_busy; 370 struct _sas_device *sdev; 371 }; 372 373 374 /* 375 * per device private data 376 */ 377 #define MPT_DEVICE_FLAGS_INIT 0x01 378 #define MPT_DEVICE_TLR_ON 0x02 379 380 #define MFG_PAGE10_HIDE_SSDS_MASK (0x00000003) 381 #define MFG_PAGE10_HIDE_ALL_DISKS (0x00) 382 #define MFG_PAGE10_EXPOSE_ALL_DISKS (0x01) 383 #define MFG_PAGE10_HIDE_IF_VOL_PRESENT (0x02) 384 385 /** 386 * struct MPT3SAS_DEVICE - sdev private hostdata 387 * @sas_target: starget private hostdata 388 * @lun: lun number 389 * @flags: MPT_DEVICE_XXX flags 390 * @configured_lun: lun is configured 391 * @block: device is in SDEV_BLOCK state 392 * @tlr_snoop_check: flag used in determining whether to disable TLR 393 * @eedp_enable: eedp support enable bit 394 * @eedp_type: 0(type_1), 1(type_2), 2(type_3) 395 * @eedp_block_length: block size 396 */ 397 struct MPT3SAS_DEVICE { 398 struct MPT3SAS_TARGET *sas_target; 399 unsigned int lun; 400 u32 flags; 401 u8 configured_lun; 402 u8 block; 403 u8 tlr_snoop_check; 404 u8 ignore_delay_remove; 405 }; 406 407 #define MPT3_CMD_NOT_USED 0x8000 /* free */ 408 #define MPT3_CMD_COMPLETE 0x0001 /* completed */ 409 #define MPT3_CMD_PENDING 0x0002 /* pending */ 410 #define MPT3_CMD_REPLY_VALID 0x0004 /* reply is valid */ 411 #define MPT3_CMD_RESET 0x0008 /* host reset dropped the command */ 412 413 /** 414 * struct _internal_cmd - internal commands struct 415 * @mutex: mutex 416 * @done: completion 417 * @reply: reply message pointer 418 * @sense: sense data 419 * @status: MPT3_CMD_XXX status 420 * @smid: system message id 421 */ 422 struct _internal_cmd { 423 struct mutex mutex; 424 struct completion done; 425 void *reply; 426 void *sense; 427 u16 status; 428 u16 smid; 429 }; 430 431 432 433 /** 434 * struct _sas_device - attached device information 435 * @list: sas device list 436 * @starget: starget object 437 * @sas_address: device sas address 438 * @device_name: retrieved from the SAS IDENTIFY frame. 439 * @handle: device handle 440 * @sas_address_parent: sas address of parent expander or sas host 441 * @enclosure_handle: enclosure handle 442 * @enclosure_logical_id: enclosure logical identifier 443 * @volume_handle: volume handle (valid when hidden raid member) 444 * @volume_wwid: volume unique identifier 445 * @device_info: bitfield provides detailed info about the device 446 * @id: target id 447 * @channel: target channel 448 * @slot: number number 449 * @phy: phy identifier provided in sas device page 0 450 * @responding: used in _scsih_sas_device_mark_responding 451 * @fast_path: fast path feature enable bit 452 * @pfa_led_on: flag for PFA LED status 453 * @pend_sas_rphy_add: flag to check if device is in sas_rphy_add() 454 * addition routine. 455 */ 456 struct _sas_device { 457 struct list_head list; 458 struct scsi_target *starget; 459 u64 sas_address; 460 u64 device_name; 461 u16 handle; 462 u64 sas_address_parent; 463 u16 enclosure_handle; 464 u64 enclosure_logical_id; 465 u16 volume_handle; 466 u64 volume_wwid; 467 u32 device_info; 468 int id; 469 int channel; 470 u16 slot; 471 u8 phy; 472 u8 responding; 473 u8 fast_path; 474 u8 pfa_led_on; 475 u8 pend_sas_rphy_add; 476 u8 enclosure_level; 477 u8 connector_name[5]; 478 struct kref refcount; 479 }; 480 481 static inline void sas_device_get(struct _sas_device *s) 482 { 483 kref_get(&s->refcount); 484 } 485 486 static inline void sas_device_free(struct kref *r) 487 { 488 kfree(container_of(r, struct _sas_device, refcount)); 489 } 490 491 static inline void sas_device_put(struct _sas_device *s) 492 { 493 kref_put(&s->refcount, sas_device_free); 494 } 495 496 /** 497 * struct _raid_device - raid volume link list 498 * @list: sas device list 499 * @starget: starget object 500 * @sdev: scsi device struct (volumes are single lun) 501 * @wwid: unique identifier for the volume 502 * @handle: device handle 503 * @block_size: Block size of the volume 504 * @id: target id 505 * @channel: target channel 506 * @volume_type: the raid level 507 * @device_info: bitfield provides detailed info about the hidden components 508 * @num_pds: number of hidden raid components 509 * @responding: used in _scsih_raid_device_mark_responding 510 * @percent_complete: resync percent complete 511 * @direct_io_enabled: Whether direct io to PDs are allowed or not 512 * @stripe_exponent: X where 2powX is the stripe sz in blocks 513 * @block_exponent: X where 2powX is the block sz in bytes 514 * @max_lba: Maximum number of LBA in the volume 515 * @stripe_sz: Stripe Size of the volume 516 * @device_info: Device info of the volume member disk 517 * @pd_handle: Array of handles of the physical drives for direct I/O in le16 518 */ 519 #define MPT_MAX_WARPDRIVE_PDS 8 520 struct _raid_device { 521 struct list_head list; 522 struct scsi_target *starget; 523 struct scsi_device *sdev; 524 u64 wwid; 525 u16 handle; 526 u16 block_sz; 527 int id; 528 int channel; 529 u8 volume_type; 530 u8 num_pds; 531 u8 responding; 532 u8 percent_complete; 533 u8 direct_io_enabled; 534 u8 stripe_exponent; 535 u8 block_exponent; 536 u64 max_lba; 537 u32 stripe_sz; 538 u32 device_info; 539 u16 pd_handle[MPT_MAX_WARPDRIVE_PDS]; 540 }; 541 542 /** 543 * struct _boot_device - boot device info 544 * @is_raid: flag to indicate whether this is volume 545 * @device: holds pointer for either struct _sas_device or 546 * struct _raid_device 547 */ 548 struct _boot_device { 549 u8 is_raid; 550 void *device; 551 }; 552 553 /** 554 * struct _sas_port - wide/narrow sas port information 555 * @port_list: list of ports belonging to expander 556 * @num_phys: number of phys belonging to this port 557 * @remote_identify: attached device identification 558 * @rphy: sas transport rphy object 559 * @port: sas transport wide/narrow port object 560 * @phy_list: _sas_phy list objects belonging to this port 561 */ 562 struct _sas_port { 563 struct list_head port_list; 564 u8 num_phys; 565 struct sas_identify remote_identify; 566 struct sas_rphy *rphy; 567 struct sas_port *port; 568 struct list_head phy_list; 569 }; 570 571 /** 572 * struct _sas_phy - phy information 573 * @port_siblings: list of phys belonging to a port 574 * @identify: phy identification 575 * @remote_identify: attached device identification 576 * @phy: sas transport phy object 577 * @phy_id: unique phy id 578 * @handle: device handle for this phy 579 * @attached_handle: device handle for attached device 580 * @phy_belongs_to_port: port has been created for this phy 581 */ 582 struct _sas_phy { 583 struct list_head port_siblings; 584 struct sas_identify identify; 585 struct sas_identify remote_identify; 586 struct sas_phy *phy; 587 u8 phy_id; 588 u16 handle; 589 u16 attached_handle; 590 u8 phy_belongs_to_port; 591 }; 592 593 /** 594 * struct _sas_node - sas_host/expander information 595 * @list: list of expanders 596 * @parent_dev: parent device class 597 * @num_phys: number phys belonging to this sas_host/expander 598 * @sas_address: sas address of this sas_host/expander 599 * @handle: handle for this sas_host/expander 600 * @sas_address_parent: sas address of parent expander or sas host 601 * @enclosure_handle: handle for this a member of an enclosure 602 * @device_info: bitwise defining capabilities of this sas_host/expander 603 * @responding: used in _scsih_expander_device_mark_responding 604 * @phy: a list of phys that make up this sas_host/expander 605 * @sas_port_list: list of ports attached to this sas_host/expander 606 */ 607 struct _sas_node { 608 struct list_head list; 609 struct device *parent_dev; 610 u8 num_phys; 611 u64 sas_address; 612 u16 handle; 613 u64 sas_address_parent; 614 u16 enclosure_handle; 615 u64 enclosure_logical_id; 616 u8 responding; 617 struct _sas_phy *phy; 618 struct list_head sas_port_list; 619 }; 620 621 /** 622 * enum reset_type - reset state 623 * @FORCE_BIG_HAMMER: issue diagnostic reset 624 * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer 625 */ 626 enum reset_type { 627 FORCE_BIG_HAMMER, 628 SOFT_RESET, 629 }; 630 631 /** 632 * struct chain_tracker - firmware chain tracker 633 * @chain_buffer: chain buffer 634 * @chain_buffer_dma: physical address 635 * @tracker_list: list of free request (ioc->free_chain_list) 636 */ 637 struct chain_tracker { 638 void *chain_buffer; 639 dma_addr_t chain_buffer_dma; 640 struct list_head tracker_list; 641 }; 642 643 /** 644 * struct scsiio_tracker - scsi mf request tracker 645 * @smid: system message id 646 * @scmd: scsi request pointer 647 * @cb_idx: callback index 648 * @direct_io: To indicate whether I/O is direct (WARPDRIVE) 649 * @tracker_list: list of free request (ioc->free_list) 650 * @msix_io: IO's msix 651 */ 652 struct scsiio_tracker { 653 u16 smid; 654 struct scsi_cmnd *scmd; 655 u8 cb_idx; 656 u8 direct_io; 657 struct list_head chain_list; 658 struct list_head tracker_list; 659 u16 msix_io; 660 }; 661 662 /** 663 * struct request_tracker - firmware request tracker 664 * @smid: system message id 665 * @cb_idx: callback index 666 * @tracker_list: list of free request (ioc->free_list) 667 */ 668 struct request_tracker { 669 u16 smid; 670 u8 cb_idx; 671 struct list_head tracker_list; 672 }; 673 674 /** 675 * struct _tr_list - target reset list 676 * @handle: device handle 677 * @state: state machine 678 */ 679 struct _tr_list { 680 struct list_head list; 681 u16 handle; 682 u16 state; 683 }; 684 685 /** 686 * struct _sc_list - delayed SAS_IO_UNIT_CONTROL message list 687 * @handle: device handle 688 */ 689 struct _sc_list { 690 struct list_head list; 691 u16 handle; 692 }; 693 694 /** 695 * struct _event_ack_list - delayed event acknowledgment list 696 * @Event: Event ID 697 * @EventContext: used to track the event uniquely 698 */ 699 struct _event_ack_list { 700 struct list_head list; 701 u16 Event; 702 u32 EventContext; 703 }; 704 705 /** 706 * struct adapter_reply_queue - the reply queue struct 707 * @ioc: per adapter object 708 * @msix_index: msix index into vector table 709 * @vector: irq vector 710 * @reply_post_host_index: head index in the pool where FW completes IO 711 * @reply_post_free: reply post base virt address 712 * @name: the name registered to request_irq() 713 * @busy: isr is actively processing replies on another cpu 714 * @list: this list 715 */ 716 struct adapter_reply_queue { 717 struct MPT3SAS_ADAPTER *ioc; 718 u8 msix_index; 719 unsigned int vector; 720 u32 reply_post_host_index; 721 Mpi2ReplyDescriptorsUnion_t *reply_post_free; 722 char name[MPT_NAME_LENGTH]; 723 atomic_t busy; 724 cpumask_var_t affinity_hint; 725 struct list_head list; 726 }; 727 728 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr); 729 730 /* SAS3.0 support */ 731 typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc, 732 struct scsi_cmnd *scmd, u16 smid); 733 typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge, 734 dma_addr_t data_out_dma, size_t data_out_sz, 735 dma_addr_t data_in_dma, size_t data_in_sz); 736 typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc, 737 void *paddr); 738 739 740 741 /* IOC Facts and Port Facts converted from little endian to cpu */ 742 union mpi3_version_union { 743 MPI2_VERSION_STRUCT Struct; 744 u32 Word; 745 }; 746 747 struct mpt3sas_facts { 748 u16 MsgVersion; 749 u16 HeaderVersion; 750 u8 IOCNumber; 751 u8 VP_ID; 752 u8 VF_ID; 753 u16 IOCExceptions; 754 u16 IOCStatus; 755 u32 IOCLogInfo; 756 u8 MaxChainDepth; 757 u8 WhoInit; 758 u8 NumberOfPorts; 759 u8 MaxMSIxVectors; 760 u16 RequestCredit; 761 u16 ProductID; 762 u32 IOCCapabilities; 763 union mpi3_version_union FWVersion; 764 u16 IOCRequestFrameSize; 765 u16 IOCMaxChainSegmentSize; 766 u16 MaxInitiators; 767 u16 MaxTargets; 768 u16 MaxSasExpanders; 769 u16 MaxEnclosures; 770 u16 ProtocolFlags; 771 u16 HighPriorityCredit; 772 u16 MaxReplyDescriptorPostQueueDepth; 773 u8 ReplyFrameSize; 774 u8 MaxVolumes; 775 u16 MaxDevHandle; 776 u16 MaxPersistentEntries; 777 u16 MinDevHandle; 778 }; 779 780 struct mpt3sas_port_facts { 781 u8 PortNumber; 782 u8 VP_ID; 783 u8 VF_ID; 784 u8 PortType; 785 u16 MaxPostedCmdBuffers; 786 }; 787 788 struct reply_post_struct { 789 Mpi2ReplyDescriptorsUnion_t *reply_post_free; 790 dma_addr_t reply_post_free_dma; 791 }; 792 793 typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc); 794 /** 795 * struct MPT3SAS_ADAPTER - per adapter struct 796 * @list: ioc_list 797 * @shost: shost object 798 * @id: unique adapter id 799 * @cpu_count: number online cpus 800 * @name: generic ioc string 801 * @tmp_string: tmp string used for logging 802 * @pdev: pci pdev object 803 * @pio_chip: physical io register space 804 * @chip: memory mapped register space 805 * @chip_phys: physical addrss prior to mapping 806 * @logging_level: see mpt3sas_debug.h 807 * @fwfault_debug: debuging FW timeouts 808 * @ir_firmware: IR firmware present 809 * @bars: bitmask of BAR's that must be configured 810 * @mask_interrupts: ignore interrupt 811 * @dma_mask: used to set the consistent dma mask 812 * @fault_reset_work_q_name: fw fault work queue 813 * @fault_reset_work_q: "" 814 * @fault_reset_work: "" 815 * @firmware_event_name: fw event work queue 816 * @firmware_event_thread: "" 817 * @fw_event_lock: 818 * @fw_event_list: list of fw events 819 * @aen_event_read_flag: event log was read 820 * @broadcast_aen_busy: broadcast aen waiting to be serviced 821 * @shost_recovery: host reset in progress 822 * @ioc_reset_in_progress_lock: 823 * @ioc_link_reset_in_progress: phy/hard reset in progress 824 * @ignore_loginfos: ignore loginfos during task management 825 * @remove_host: flag for when driver unloads, to avoid sending dev resets 826 * @pci_error_recovery: flag to prevent ioc access until slot reset completes 827 * @wait_for_discovery_to_complete: flag set at driver load time when 828 * waiting on reporting devices 829 * @is_driver_loading: flag set at driver load time 830 * @port_enable_failed: flag set when port enable has failed 831 * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work 832 * @start_scan_failed: means port enable failed, return's the ioc_status 833 * @msix_enable: flag indicating msix is enabled 834 * @msix_vector_count: number msix vectors 835 * @cpu_msix_table: table for mapping cpus to msix index 836 * @cpu_msix_table_sz: table size 837 * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands 838 * @scsi_io_cb_idx: shost generated commands 839 * @tm_cb_idx: task management commands 840 * @scsih_cb_idx: scsih internal commands 841 * @transport_cb_idx: transport internal commands 842 * @ctl_cb_idx: clt internal commands 843 * @base_cb_idx: base internal commands 844 * @config_cb_idx: base internal commands 845 * @tm_tr_cb_idx : device removal target reset handshake 846 * @tm_tr_volume_cb_idx : volume removal target reset 847 * @base_cmds: 848 * @transport_cmds: 849 * @scsih_cmds: 850 * @tm_cmds: 851 * @ctl_cmds: 852 * @config_cmds: 853 * @base_add_sg_single: handler for either 32/64 bit sgl's 854 * @event_type: bits indicating which events to log 855 * @event_context: unique id for each logged event 856 * @event_log: event log pointer 857 * @event_masks: events that are masked 858 * @facts: static facts data 859 * @pfacts: static port facts data 860 * @manu_pg0: static manufacturing page 0 861 * @manu_pg10: static manufacturing page 10 862 * @manu_pg11: static manufacturing page 11 863 * @bios_pg2: static bios page 2 864 * @bios_pg3: static bios page 3 865 * @ioc_pg8: static ioc page 8 866 * @iounit_pg0: static iounit page 0 867 * @iounit_pg1: static iounit page 1 868 * @iounit_pg8: static iounit page 8 869 * @sas_hba: sas host object 870 * @sas_expander_list: expander object list 871 * @sas_node_lock: 872 * @sas_device_list: sas device object list 873 * @sas_device_init_list: sas device object list (used only at init time) 874 * @sas_device_lock: 875 * @io_missing_delay: time for IO completed by fw when PDR enabled 876 * @device_missing_delay: time for device missing by fw when PDR enabled 877 * @sas_id : used for setting volume target IDs 878 * @blocking_handles: bitmask used to identify which devices need blocking 879 * @pd_handles : bitmask for PD handles 880 * @pd_handles_sz : size of pd_handle bitmask 881 * @config_page_sz: config page size 882 * @config_page: reserve memory for config page payload 883 * @config_page_dma: 884 * @hba_queue_depth: hba request queue depth 885 * @sge_size: sg element size for either 32/64 bit 886 * @scsiio_depth: SCSI_IO queue depth 887 * @request_sz: per request frame size 888 * @request: pool of request frames 889 * @request_dma: 890 * @request_dma_sz: 891 * @scsi_lookup: firmware request tracker list 892 * @scsi_lookup_lock: 893 * @free_list: free list of request 894 * @pending_io_count: 895 * @reset_wq: 896 * @chain: pool of chains 897 * @chain_dma: 898 * @max_sges_in_main_message: number sg elements in main message 899 * @max_sges_in_chain_message: number sg elements per chain 900 * @chains_needed_per_io: max chains per io 901 * @chain_depth: total chains allocated 902 * @chain_segment_sz: gives the max number of 903 * SGEs accommodate on single chain buffer 904 * @hi_priority_smid: 905 * @hi_priority: 906 * @hi_priority_dma: 907 * @hi_priority_depth: 908 * @hpr_lookup: 909 * @hpr_free_list: 910 * @internal_smid: 911 * @internal: 912 * @internal_dma: 913 * @internal_depth: 914 * @internal_lookup: 915 * @internal_free_list: 916 * @sense: pool of sense 917 * @sense_dma: 918 * @sense_dma_pool: 919 * @reply_depth: hba reply queue depth: 920 * @reply_sz: per reply frame size: 921 * @reply: pool of replys: 922 * @reply_dma: 923 * @reply_dma_pool: 924 * @reply_free_queue_depth: reply free depth 925 * @reply_free: pool for reply free queue (32 bit addr) 926 * @reply_free_dma: 927 * @reply_free_dma_pool: 928 * @reply_free_host_index: tail index in pool to insert free replys 929 * @reply_post_queue_depth: reply post queue depth 930 * @reply_post_struct: struct for reply_post_free physical & virt address 931 * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init 932 * @rdpq_array_enable: rdpq_array support is enabled in the driver 933 * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag 934 * is assigned only ones 935 * @reply_queue_count: number of reply queue's 936 * @reply_queue_list: link list contaning the reply queue info 937 * @msix96_vector: 96 MSI-X vector support 938 * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue 939 * @delayed_tr_list: target reset link list 940 * @delayed_tr_volume_list: volume target reset link list 941 * @delayed_sc_list: 942 * @delayed_event_ack_list: 943 * @temp_sensors_count: flag to carry the number of temperature sensors 944 * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and 945 * pci resource handling. PCI resource freeing will lead to free 946 * vital hardware/memory resource, which might be in use by cli/sysfs 947 * path functions resulting in Null pointer reference followed by kernel 948 * crash. To avoid the above race condition we use mutex syncrhonization 949 * which ensures the syncrhonization between cli/sysfs_show path. 950 */ 951 struct MPT3SAS_ADAPTER { 952 struct list_head list; 953 struct Scsi_Host *shost; 954 u8 id; 955 int cpu_count; 956 char name[MPT_NAME_LENGTH]; 957 char driver_name[MPT_NAME_LENGTH]; 958 char tmp_string[MPT_STRING_LENGTH]; 959 struct pci_dev *pdev; 960 Mpi2SystemInterfaceRegs_t __iomem *chip; 961 resource_size_t chip_phys; 962 int logging_level; 963 int fwfault_debug; 964 u8 ir_firmware; 965 int bars; 966 u8 mask_interrupts; 967 int dma_mask; 968 969 /* fw fault handler */ 970 char fault_reset_work_q_name[20]; 971 struct workqueue_struct *fault_reset_work_q; 972 struct delayed_work fault_reset_work; 973 974 /* fw event handler */ 975 char firmware_event_name[20]; 976 struct workqueue_struct *firmware_event_thread; 977 spinlock_t fw_event_lock; 978 struct list_head fw_event_list; 979 980 /* misc flags */ 981 int aen_event_read_flag; 982 u8 broadcast_aen_busy; 983 u16 broadcast_aen_pending; 984 u8 shost_recovery; 985 986 struct mutex reset_in_progress_mutex; 987 spinlock_t ioc_reset_in_progress_lock; 988 u8 ioc_link_reset_in_progress; 989 u8 ioc_reset_in_progress_status; 990 991 u8 ignore_loginfos; 992 u8 remove_host; 993 u8 pci_error_recovery; 994 u8 wait_for_discovery_to_complete; 995 u8 is_driver_loading; 996 u8 port_enable_failed; 997 u8 start_scan; 998 u16 start_scan_failed; 999 1000 u8 msix_enable; 1001 u16 msix_vector_count; 1002 u8 *cpu_msix_table; 1003 u16 cpu_msix_table_sz; 1004 resource_size_t __iomem **reply_post_host_index; 1005 u32 ioc_reset_count; 1006 MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds; 1007 u32 non_operational_loop; 1008 1009 /* internal commands, callback index */ 1010 u8 scsi_io_cb_idx; 1011 u8 tm_cb_idx; 1012 u8 transport_cb_idx; 1013 u8 scsih_cb_idx; 1014 u8 ctl_cb_idx; 1015 u8 base_cb_idx; 1016 u8 port_enable_cb_idx; 1017 u8 config_cb_idx; 1018 u8 tm_tr_cb_idx; 1019 u8 tm_tr_volume_cb_idx; 1020 u8 tm_sas_control_cb_idx; 1021 struct _internal_cmd base_cmds; 1022 struct _internal_cmd port_enable_cmds; 1023 struct _internal_cmd transport_cmds; 1024 struct _internal_cmd scsih_cmds; 1025 struct _internal_cmd tm_cmds; 1026 struct _internal_cmd ctl_cmds; 1027 struct _internal_cmd config_cmds; 1028 1029 MPT_ADD_SGE base_add_sg_single; 1030 1031 /* function ptr for either IEEE or MPI sg elements */ 1032 MPT_BUILD_SG_SCMD build_sg_scmd; 1033 MPT_BUILD_SG build_sg; 1034 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge; 1035 u16 sge_size_ieee; 1036 u16 hba_mpi_version_belonged; 1037 1038 /* function ptr for MPI sg elements only */ 1039 MPT_BUILD_SG build_sg_mpi; 1040 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi; 1041 1042 /* event log */ 1043 u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; 1044 u32 event_context; 1045 void *event_log; 1046 u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; 1047 1048 /* static config pages */ 1049 struct mpt3sas_facts facts; 1050 struct mpt3sas_port_facts *pfacts; 1051 Mpi2ManufacturingPage0_t manu_pg0; 1052 struct Mpi2ManufacturingPage10_t manu_pg10; 1053 struct Mpi2ManufacturingPage11_t manu_pg11; 1054 Mpi2BiosPage2_t bios_pg2; 1055 Mpi2BiosPage3_t bios_pg3; 1056 Mpi2IOCPage8_t ioc_pg8; 1057 Mpi2IOUnitPage0_t iounit_pg0; 1058 Mpi2IOUnitPage1_t iounit_pg1; 1059 Mpi2IOUnitPage8_t iounit_pg8; 1060 1061 struct _boot_device req_boot_device; 1062 struct _boot_device req_alt_boot_device; 1063 struct _boot_device current_boot_device; 1064 1065 /* sas hba, expander, and device list */ 1066 struct _sas_node sas_hba; 1067 struct list_head sas_expander_list; 1068 spinlock_t sas_node_lock; 1069 struct list_head sas_device_list; 1070 struct list_head sas_device_init_list; 1071 spinlock_t sas_device_lock; 1072 struct list_head raid_device_list; 1073 spinlock_t raid_device_lock; 1074 u8 io_missing_delay; 1075 u16 device_missing_delay; 1076 int sas_id; 1077 1078 void *blocking_handles; 1079 void *pd_handles; 1080 u16 pd_handles_sz; 1081 1082 /* config page */ 1083 u16 config_page_sz; 1084 void *config_page; 1085 dma_addr_t config_page_dma; 1086 1087 /* scsiio request */ 1088 u16 hba_queue_depth; 1089 u16 sge_size; 1090 u16 scsiio_depth; 1091 u16 request_sz; 1092 u8 *request; 1093 dma_addr_t request_dma; 1094 u32 request_dma_sz; 1095 struct scsiio_tracker *scsi_lookup; 1096 ulong scsi_lookup_pages; 1097 spinlock_t scsi_lookup_lock; 1098 struct list_head free_list; 1099 int pending_io_count; 1100 wait_queue_head_t reset_wq; 1101 1102 /* chain */ 1103 struct chain_tracker *chain_lookup; 1104 struct list_head free_chain_list; 1105 struct dma_pool *chain_dma_pool; 1106 ulong chain_pages; 1107 u16 max_sges_in_main_message; 1108 u16 max_sges_in_chain_message; 1109 u16 chains_needed_per_io; 1110 u32 chain_depth; 1111 u16 chain_segment_sz; 1112 1113 /* hi-priority queue */ 1114 u16 hi_priority_smid; 1115 u8 *hi_priority; 1116 dma_addr_t hi_priority_dma; 1117 u16 hi_priority_depth; 1118 struct request_tracker *hpr_lookup; 1119 struct list_head hpr_free_list; 1120 1121 /* internal queue */ 1122 u16 internal_smid; 1123 u8 *internal; 1124 dma_addr_t internal_dma; 1125 u16 internal_depth; 1126 struct request_tracker *internal_lookup; 1127 struct list_head internal_free_list; 1128 1129 /* sense */ 1130 u8 *sense; 1131 dma_addr_t sense_dma; 1132 struct dma_pool *sense_dma_pool; 1133 1134 /* reply */ 1135 u16 reply_sz; 1136 u8 *reply; 1137 dma_addr_t reply_dma; 1138 u32 reply_dma_max_address; 1139 u32 reply_dma_min_address; 1140 struct dma_pool *reply_dma_pool; 1141 1142 /* reply free queue */ 1143 u16 reply_free_queue_depth; 1144 __le32 *reply_free; 1145 dma_addr_t reply_free_dma; 1146 struct dma_pool *reply_free_dma_pool; 1147 u32 reply_free_host_index; 1148 1149 /* reply post queue */ 1150 u16 reply_post_queue_depth; 1151 struct reply_post_struct *reply_post; 1152 u8 rdpq_array_capable; 1153 u8 rdpq_array_enable; 1154 u8 rdpq_array_enable_assigned; 1155 struct dma_pool *reply_post_free_dma_pool; 1156 u8 reply_queue_count; 1157 struct list_head reply_queue_list; 1158 1159 u8 msix96_vector; 1160 /* reply post register index */ 1161 resource_size_t **replyPostRegisterIndex; 1162 1163 struct list_head delayed_tr_list; 1164 struct list_head delayed_tr_volume_list; 1165 struct list_head delayed_sc_list; 1166 struct list_head delayed_event_ack_list; 1167 u8 temp_sensors_count; 1168 struct mutex pci_access_mutex; 1169 1170 /* diag buffer support */ 1171 u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT]; 1172 u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT]; 1173 dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT]; 1174 u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT]; 1175 u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT]; 1176 u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23]; 1177 u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT]; 1178 u32 ring_buffer_offset; 1179 u32 ring_buffer_sz; 1180 u8 is_warpdrive; 1181 u8 hide_ir_msg; 1182 u8 mfg_pg10_hide_flag; 1183 u8 hide_drives; 1184 spinlock_t diag_trigger_lock; 1185 u8 diag_trigger_active; 1186 struct SL_WH_MASTER_TRIGGER_T diag_trigger_master; 1187 struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event; 1188 struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi; 1189 struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi; 1190 }; 1191 1192 typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, 1193 u32 reply); 1194 1195 1196 /* base shared API */ 1197 extern struct list_head mpt3sas_ioc_list; 1198 extern char driver_name[MPT_NAME_LENGTH]; 1199 /* spinlock on list operations over IOCs 1200 * Case: when multiple warpdrive cards(IOCs) are in use 1201 * Each IOC will added to the ioc list structure on initialization. 1202 * Watchdog threads run at regular intervals to check IOC for any 1203 * fault conditions which will trigger the dead_ioc thread to 1204 * deallocate pci resource, resulting deleting the IOC netry from list, 1205 * this deletion need to protected by spinlock to enusre that 1206 * ioc removal is syncrhonized, if not synchronized it might lead to 1207 * list_del corruption as the ioc list is traversed in cli path. 1208 */ 1209 extern spinlock_t gioc_lock; 1210 1211 void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc); 1212 void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc); 1213 1214 int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc); 1215 void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc); 1216 int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc); 1217 void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc); 1218 int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc, 1219 enum reset_type type); 1220 1221 void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid); 1222 void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid); 1223 __le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc, 1224 u16 smid); 1225 1226 void mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc); 1227 1228 /* hi-priority queue */ 1229 u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx); 1230 u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx, 1231 struct scsi_cmnd *scmd); 1232 1233 u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx); 1234 void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid); 1235 void mpt3sas_base_put_smid_scsi_io(struct MPT3SAS_ADAPTER *ioc, u16 smid, 1236 u16 handle); 1237 void mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid, 1238 u16 handle); 1239 void mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, 1240 u16 smid, u16 msix_task); 1241 void mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid); 1242 void mpt3sas_base_initialize_callback_handler(void); 1243 u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func); 1244 void mpt3sas_base_release_callback_handler(u8 cb_idx); 1245 1246 u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, 1247 u32 reply); 1248 u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, 1249 u8 msix_index, u32 reply); 1250 void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc, 1251 u32 phys_addr); 1252 1253 u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked); 1254 1255 void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code); 1256 int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc, 1257 Mpi2SasIoUnitControlReply_t *mpi_reply, 1258 Mpi2SasIoUnitControlRequest_t *mpi_request); 1259 int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc, 1260 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request); 1261 1262 void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc, 1263 u32 *event_type); 1264 1265 void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc); 1266 1267 void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc, 1268 u16 device_missing_delay, u8 io_missing_delay); 1269 1270 int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc); 1271 1272 1273 /* scsih shared API */ 1274 u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, 1275 u32 reply); 1276 void mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase); 1277 1278 int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, 1279 uint channel, uint id, uint lun, u8 type, u16 smid_task, 1280 ulong timeout); 1281 int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, 1282 uint channel, uint id, uint lun, u8 type, u16 smid_task, 1283 ulong timeout); 1284 1285 void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle); 1286 void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle); 1287 void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address); 1288 void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc, 1289 u64 sas_address); 1290 u8 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc, 1291 u16 smid); 1292 1293 struct _sas_node *mpt3sas_scsih_expander_find_by_handle( 1294 struct MPT3SAS_ADAPTER *ioc, u16 handle); 1295 struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address( 1296 struct MPT3SAS_ADAPTER *ioc, u64 sas_address); 1297 struct _sas_device *mpt3sas_get_sdev_by_addr( 1298 struct MPT3SAS_ADAPTER *ioc, u64 sas_address); 1299 struct _sas_device *__mpt3sas_get_sdev_by_addr( 1300 struct MPT3SAS_ADAPTER *ioc, u64 sas_address); 1301 1302 void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc); 1303 struct _raid_device * 1304 mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle); 1305 1306 /* config shared API */ 1307 u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, 1308 u32 reply); 1309 int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc, 1310 u8 *num_phys); 1311 int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc, 1312 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page); 1313 int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc, 1314 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page, 1315 u16 sz); 1316 int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc, 1317 Mpi2ConfigReply_t *mpi_reply, 1318 struct Mpi2ManufacturingPage10_t *config_page); 1319 1320 int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc, 1321 Mpi2ConfigReply_t *mpi_reply, 1322 struct Mpi2ManufacturingPage11_t *config_page); 1323 int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc, 1324 Mpi2ConfigReply_t *mpi_reply, 1325 struct Mpi2ManufacturingPage11_t *config_page); 1326 1327 int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t 1328 *mpi_reply, Mpi2BiosPage2_t *config_page); 1329 int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t 1330 *mpi_reply, Mpi2BiosPage3_t *config_page); 1331 int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t 1332 *mpi_reply, Mpi2IOUnitPage0_t *config_page); 1333 int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc, 1334 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page, 1335 u32 form, u32 handle); 1336 int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc, 1337 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page, 1338 u32 form, u32 handle); 1339 int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, 1340 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, 1341 u16 sz); 1342 int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t 1343 *mpi_reply, Mpi2IOUnitPage1_t *config_page); 1344 int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc, 1345 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz); 1346 int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t 1347 *mpi_reply, Mpi2IOUnitPage1_t *config_page); 1348 int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t 1349 *mpi_reply, Mpi2IOUnitPage8_t *config_page); 1350 int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, 1351 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, 1352 u16 sz); 1353 int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, 1354 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, 1355 u16 sz); 1356 int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t 1357 *mpi_reply, Mpi2IOCPage8_t *config_page); 1358 int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc, 1359 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page, 1360 u32 form, u32 handle); 1361 int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc, 1362 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page, 1363 u32 phy_number, u16 handle); 1364 int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc, 1365 Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, 1366 u32 form, u32 handle); 1367 int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t 1368 *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number); 1369 int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t 1370 *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number); 1371 int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc, 1372 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, 1373 u32 handle); 1374 int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle, 1375 u8 *num_pds); 1376 int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc, 1377 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, 1378 u32 handle, u16 sz); 1379 int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc, 1380 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, 1381 u32 form, u32 form_specific); 1382 int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle, 1383 u16 *volume_handle); 1384 int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc, 1385 u16 volume_handle, u64 *wwid); 1386 1387 /* ctl shared API */ 1388 extern struct device_attribute *mpt3sas_host_attrs[]; 1389 extern struct device_attribute *mpt3sas_dev_attrs[]; 1390 void mpt3sas_ctl_init(ushort hbas_to_enumerate); 1391 void mpt3sas_ctl_exit(ushort hbas_to_enumerate); 1392 u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, 1393 u32 reply); 1394 void mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase); 1395 u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc, 1396 u8 msix_index, u32 reply); 1397 void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc, 1398 Mpi2EventNotificationReply_t *mpi_reply); 1399 1400 void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc, 1401 u8 bits_to_regsiter); 1402 int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type, 1403 u8 *issue_reset); 1404 1405 /* transport shared API */ 1406 extern struct scsi_transport_template *mpt3sas_transport_template; 1407 u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, 1408 u32 reply); 1409 struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc, 1410 u16 handle, u64 sas_address); 1411 void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address, 1412 u64 sas_address_parent); 1413 int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy 1414 *mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev); 1415 int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc, 1416 struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1, 1417 struct device *parent_dev); 1418 void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc, 1419 u64 sas_address, u16 handle, u8 phy_number, u8 link_rate); 1420 extern struct sas_function_template mpt3sas_transport_functions; 1421 extern struct scsi_transport_template *mpt3sas_transport_template; 1422 extern int scsi_internal_device_block(struct scsi_device *sdev); 1423 extern int scsi_internal_device_unblock(struct scsi_device *sdev, 1424 enum scsi_device_state new_state); 1425 /* trigger data externs */ 1426 void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc, 1427 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data); 1428 void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc, 1429 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data); 1430 void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc, 1431 u32 tigger_bitmask); 1432 void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event, 1433 u16 log_entry_qualifier); 1434 void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key, 1435 u8 asc, u8 ascq); 1436 void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status, 1437 u32 loginfo); 1438 1439 /* warpdrive APIs */ 1440 u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc); 1441 void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc, 1442 struct _raid_device *raid_device); 1443 u8 1444 mpt3sas_scsi_direct_io_get(struct MPT3SAS_ADAPTER *ioc, u16 smid); 1445 void 1446 mpt3sas_scsi_direct_io_set(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 direct_io); 1447 void 1448 mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, 1449 struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request, 1450 u16 smid); 1451 1452 #endif /* MPT3SAS_BASE_H_INCLUDED */ 1453