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  *  (mailto:DL-MPTFusionLinux@lsi.com)
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * as published by the Free Software Foundation; either version 2
12  * of the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * NO WARRANTY
20  * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21  * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22  * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24  * solely responsible for determining the appropriateness of using and
25  * distributing the Program and assumes all risks associated with its
26  * exercise of rights under this Agreement, including but not limited to
27  * the risks and costs of program errors, damage to or loss of data,
28  * programs or equipment, and unavailability or interruption of operations.
29 
30  * DISCLAIMER OF LIABILITY
31  * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36  * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37  * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
38 
39  * You should have received a copy of the GNU General Public License
40  * along with this program; if not, write to the Free Software
41  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
42  * USA.
43  */
44 
45 #ifndef MPT3SAS_BASE_H_INCLUDED
46 #define MPT3SAS_BASE_H_INCLUDED
47 
48 #include "mpi/mpi2_type.h"
49 #include "mpi/mpi2.h"
50 #include "mpi/mpi2_ioc.h"
51 #include "mpi/mpi2_cnfg.h"
52 #include "mpi/mpi2_init.h"
53 #include "mpi/mpi2_raid.h"
54 #include "mpi/mpi2_tool.h"
55 #include "mpi/mpi2_sas.h"
56 
57 #include <scsi/scsi.h>
58 #include <scsi/scsi_cmnd.h>
59 #include <scsi/scsi_device.h>
60 #include <scsi/scsi_host.h>
61 #include <scsi/scsi_tcq.h>
62 #include <scsi/scsi_transport_sas.h>
63 #include <scsi/scsi_dbg.h>
64 #include <scsi/scsi_eh.h>
65 
66 #include "mpt3sas_debug.h"
67 #include "mpt3sas_trigger_diag.h"
68 
69 /* driver versioning info */
70 #define MPT3SAS_DRIVER_NAME		"mpt3sas"
71 #define MPT3SAS_AUTHOR	"LSI Corporation <DL-MPTFusionLinux@lsi.com>"
72 #define MPT3SAS_DESCRIPTION	"LSI MPT Fusion SAS 3.0 Device Driver"
73 #define MPT3SAS_DRIVER_VERSION		"04.100.00.00"
74 #define MPT3SAS_MAJOR_VERSION		4
75 #define MPT3SAS_MINOR_VERSION		100
76 #define MPT3SAS_BUILD_VERSION		0
77 #define MPT3SAS_RELEASE_VERSION	00
78 
79 /*
80  * Set MPT3SAS_SG_DEPTH value based on user input.
81  */
82 #define MPT3SAS_MAX_PHYS_SEGMENTS	SCSI_MAX_SG_SEGMENTS
83 #define MPT3SAS_MIN_PHYS_SEGMENTS	16
84 #ifdef CONFIG_SCSI_MPT3SAS_MAX_SGE
85 #define MPT3SAS_SG_DEPTH		CONFIG_SCSI_MPT3SAS_MAX_SGE
86 #else
87 #define MPT3SAS_SG_DEPTH		MPT3SAS_MAX_PHYS_SEGMENTS
88 #endif
89 
90 
91 /*
92  * Generic Defines
93  */
94 #define MPT3SAS_SATA_QUEUE_DEPTH	32
95 #define MPT3SAS_SAS_QUEUE_DEPTH		254
96 #define MPT3SAS_RAID_QUEUE_DEPTH	128
97 
98 #define MPT_NAME_LENGTH			32	/* generic length of strings */
99 #define MPT_STRING_LENGTH		64
100 
101 #define MPT_MAX_CALLBACKS		32
102 
103 
104 #define	 CAN_SLEEP			1
105 #define  NO_SLEEP			0
106 
107 #define INTERNAL_CMDS_COUNT		10	/* reserved cmds */
108 
109 #define MPI3_HIM_MASK			0xFFFFFFFF /* mask every bit*/
110 
111 #define MPT3SAS_INVALID_DEVICE_HANDLE	0xFFFF
112 
113 /*
114  * reset phases
115  */
116 #define MPT3_IOC_PRE_RESET		1 /* prior to host reset */
117 #define MPT3_IOC_AFTER_RESET		2 /* just after host reset */
118 #define MPT3_IOC_DONE_RESET		3 /* links re-initialized */
119 
120 /*
121  * logging format
122  */
123 #define MPT3SAS_FMT			"%s: "
124 
125 /*
126  * per target private data
127  */
128 #define MPT_TARGET_FLAGS_RAID_COMPONENT	0x01
129 #define MPT_TARGET_FLAGS_VOLUME		0x02
130 #define MPT_TARGET_FLAGS_DELETED	0x04
131 #define MPT_TARGET_FASTPATH_IO		0x08
132 
133 /*
134  * Intel HBA branding
135  */
136 #define MPT3SAS_INTEL_RMS3JC080_BRANDING       \
137 	"Intel(R) Integrated RAID Module RMS3JC080"
138 #define MPT3SAS_INTEL_RS3GC008_BRANDING       \
139 	"Intel(R) RAID Controller RS3GC008"
140 #define MPT3SAS_INTEL_RS3FC044_BRANDING       \
141 	"Intel(R) RAID Controller RS3FC044"
142 #define MPT3SAS_INTEL_RS3UC080_BRANDING       \
143 	"Intel(R) RAID Controller RS3UC080"
144 
145 /*
146  * Intel HBA SSDIDs
147  */
148 #define MPT3SAS_INTEL_RMS3JC080_SSDID	0x3521
149 #define MPT3SAS_INTEL_RS3GC008_SSDID	0x3522
150 #define MPT3SAS_INTEL_RS3FC044_SSDID	0x3523
151 #define MPT3SAS_INTEL_RS3UC080_SSDID    0x3524
152 
153 /*
154  * status bits for ioc->diag_buffer_status
155  */
156 #define MPT3_DIAG_BUFFER_IS_REGISTERED	(0x01)
157 #define MPT3_DIAG_BUFFER_IS_RELEASED	(0x02)
158 #define MPT3_DIAG_BUFFER_IS_DIAG_RESET	(0x04)
159 
160 
161 /* OEM Identifiers */
162 #define MFG10_OEM_ID_INVALID                   (0x00000000)
163 #define MFG10_OEM_ID_DELL                      (0x00000001)
164 #define MFG10_OEM_ID_FSC                       (0x00000002)
165 #define MFG10_OEM_ID_SUN                       (0x00000003)
166 #define MFG10_OEM_ID_IBM                       (0x00000004)
167 
168 /* GENERIC Flags 0*/
169 #define MFG10_GF0_OCE_DISABLED                 (0x00000001)
170 #define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
171 #define MFG10_GF0_R10_DISPLAY                  (0x00000004)
172 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
173 #define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
174 
175 /* OEM Specific Flags will come from OEM specific header files */
176 struct Mpi2ManufacturingPage10_t {
177 	MPI2_CONFIG_PAGE_HEADER	Header;		/* 00h */
178 	U8	OEMIdentifier;			/* 04h */
179 	U8	Reserved1;			/* 05h */
180 	U16	Reserved2;			/* 08h */
181 	U32	Reserved3;			/* 0Ch */
182 	U32	GenericFlags0;			/* 10h */
183 	U32	GenericFlags1;			/* 14h */
184 	U32	Reserved4;			/* 18h */
185 	U32	OEMSpecificFlags0;		/* 1Ch */
186 	U32	OEMSpecificFlags1;		/* 20h */
187 	U32	Reserved5[18];			/* 24h - 60h*/
188 };
189 
190 
191 /* Miscellaneous options */
192 struct Mpi2ManufacturingPage11_t {
193 	MPI2_CONFIG_PAGE_HEADER Header;		/* 00h */
194 	__le32	Reserved1;			/* 04h */
195 	u8	Reserved2;			/* 08h */
196 	u8	EEDPTagMode;			/* 09h */
197 	u8	Reserved3;			/* 0Ah */
198 	u8	Reserved4;			/* 0Bh */
199 	__le32	Reserved5[23];			/* 0Ch-60h*/
200 };
201 
202 /**
203  * struct MPT3SAS_TARGET - starget private hostdata
204  * @starget: starget object
205  * @sas_address: target sas address
206  * @handle: device handle
207  * @num_luns: number luns
208  * @flags: MPT_TARGET_FLAGS_XXX flags
209  * @deleted: target flaged for deletion
210  * @tm_busy: target is busy with TM request.
211  */
212 struct MPT3SAS_TARGET {
213 	struct scsi_target *starget;
214 	u64	sas_address;
215 	u16	handle;
216 	int	num_luns;
217 	u32	flags;
218 	u8	deleted;
219 	u8	tm_busy;
220 };
221 
222 
223 /*
224  * per device private data
225  */
226 #define MPT_DEVICE_FLAGS_INIT		0x01
227 #define MPT_DEVICE_TLR_ON		0x02
228 
229 /**
230  * struct MPT3SAS_DEVICE - sdev private hostdata
231  * @sas_target: starget private hostdata
232  * @lun: lun number
233  * @flags: MPT_DEVICE_XXX flags
234  * @configured_lun: lun is configured
235  * @block: device is in SDEV_BLOCK state
236  * @tlr_snoop_check: flag used in determining whether to disable TLR
237  * @eedp_enable: eedp support enable bit
238  * @eedp_type: 0(type_1), 1(type_2), 2(type_3)
239  * @eedp_block_length: block size
240  */
241 struct MPT3SAS_DEVICE {
242 	struct MPT3SAS_TARGET *sas_target;
243 	unsigned int	lun;
244 	u32	flags;
245 	u8	configured_lun;
246 	u8	block;
247 	u8	tlr_snoop_check;
248 };
249 
250 #define MPT3_CMD_NOT_USED	0x8000	/* free */
251 #define MPT3_CMD_COMPLETE	0x0001	/* completed */
252 #define MPT3_CMD_PENDING	0x0002	/* pending */
253 #define MPT3_CMD_REPLY_VALID	0x0004	/* reply is valid */
254 #define MPT3_CMD_RESET		0x0008	/* host reset dropped the command */
255 
256 /**
257  * struct _internal_cmd - internal commands struct
258  * @mutex: mutex
259  * @done: completion
260  * @reply: reply message pointer
261  * @sense: sense data
262  * @status: MPT3_CMD_XXX status
263  * @smid: system message id
264  */
265 struct _internal_cmd {
266 	struct mutex mutex;
267 	struct completion done;
268 	void	*reply;
269 	void	*sense;
270 	u16	status;
271 	u16	smid;
272 };
273 
274 
275 
276 /**
277  * struct _sas_device - attached device information
278  * @list: sas device list
279  * @starget: starget object
280  * @sas_address: device sas address
281  * @device_name: retrieved from the SAS IDENTIFY frame.
282  * @handle: device handle
283  * @sas_address_parent: sas address of parent expander or sas host
284  * @enclosure_handle: enclosure handle
285  * @enclosure_logical_id: enclosure logical identifier
286  * @volume_handle: volume handle (valid when hidden raid member)
287  * @volume_wwid: volume unique identifier
288  * @device_info: bitfield provides detailed info about the device
289  * @id: target id
290  * @channel: target channel
291  * @slot: number number
292  * @phy: phy identifier provided in sas device page 0
293  * @responding: used in _scsih_sas_device_mark_responding
294  * @fast_path: fast path feature enable bit
295  * @pfa_led_on: flag for PFA LED status
296  *
297  */
298 struct _sas_device {
299 	struct list_head list;
300 	struct scsi_target *starget;
301 	u64	sas_address;
302 	u64	device_name;
303 	u16	handle;
304 	u64	sas_address_parent;
305 	u16	enclosure_handle;
306 	u64	enclosure_logical_id;
307 	u16	volume_handle;
308 	u64	volume_wwid;
309 	u32	device_info;
310 	int	id;
311 	int	channel;
312 	u16	slot;
313 	u8	phy;
314 	u8	responding;
315 	u8	fast_path;
316 	u8	pfa_led_on;
317 };
318 
319 /**
320  * struct _raid_device - raid volume link list
321  * @list: sas device list
322  * @starget: starget object
323  * @sdev: scsi device struct (volumes are single lun)
324  * @wwid: unique identifier for the volume
325  * @handle: device handle
326  * @id: target id
327  * @channel: target channel
328  * @volume_type: the raid level
329  * @device_info: bitfield provides detailed info about the hidden components
330  * @num_pds: number of hidden raid components
331  * @responding: used in _scsih_raid_device_mark_responding
332  * @percent_complete: resync percent complete
333  */
334 #define MPT_MAX_WARPDRIVE_PDS		8
335 struct _raid_device {
336 	struct list_head list;
337 	struct scsi_target *starget;
338 	struct scsi_device *sdev;
339 	u64	wwid;
340 	u16	handle;
341 	int	id;
342 	int	channel;
343 	u8	volume_type;
344 	u8	num_pds;
345 	u8	responding;
346 	u8	percent_complete;
347 	u32	device_info;
348 };
349 
350 /**
351  * struct _boot_device - boot device info
352  * @is_raid: flag to indicate whether this is volume
353  * @device: holds pointer for either struct _sas_device or
354  *     struct _raid_device
355  */
356 struct _boot_device {
357 	u8 is_raid;
358 	void *device;
359 };
360 
361 /**
362  * struct _sas_port - wide/narrow sas port information
363  * @port_list: list of ports belonging to expander
364  * @num_phys: number of phys belonging to this port
365  * @remote_identify: attached device identification
366  * @rphy: sas transport rphy object
367  * @port: sas transport wide/narrow port object
368  * @phy_list: _sas_phy list objects belonging to this port
369  */
370 struct _sas_port {
371 	struct list_head port_list;
372 	u8	num_phys;
373 	struct sas_identify remote_identify;
374 	struct sas_rphy *rphy;
375 	struct sas_port *port;
376 	struct list_head phy_list;
377 };
378 
379 /**
380  * struct _sas_phy - phy information
381  * @port_siblings: list of phys belonging to a port
382  * @identify: phy identification
383  * @remote_identify: attached device identification
384  * @phy: sas transport phy object
385  * @phy_id: unique phy id
386  * @handle: device handle for this phy
387  * @attached_handle: device handle for attached device
388  * @phy_belongs_to_port: port has been created for this phy
389  */
390 struct _sas_phy {
391 	struct list_head port_siblings;
392 	struct sas_identify identify;
393 	struct sas_identify remote_identify;
394 	struct sas_phy *phy;
395 	u8	phy_id;
396 	u16	handle;
397 	u16	attached_handle;
398 	u8	phy_belongs_to_port;
399 };
400 
401 /**
402  * struct _sas_node - sas_host/expander information
403  * @list: list of expanders
404  * @parent_dev: parent device class
405  * @num_phys: number phys belonging to this sas_host/expander
406  * @sas_address: sas address of this sas_host/expander
407  * @handle: handle for this sas_host/expander
408  * @sas_address_parent: sas address of parent expander or sas host
409  * @enclosure_handle: handle for this a member of an enclosure
410  * @device_info: bitwise defining capabilities of this sas_host/expander
411  * @responding: used in _scsih_expander_device_mark_responding
412  * @phy: a list of phys that make up this sas_host/expander
413  * @sas_port_list: list of ports attached to this sas_host/expander
414  */
415 struct _sas_node {
416 	struct list_head list;
417 	struct device *parent_dev;
418 	u8	num_phys;
419 	u64	sas_address;
420 	u16	handle;
421 	u64	sas_address_parent;
422 	u16	enclosure_handle;
423 	u64	enclosure_logical_id;
424 	u8	responding;
425 	struct	_sas_phy *phy;
426 	struct list_head sas_port_list;
427 };
428 
429 /**
430  * enum reset_type - reset state
431  * @FORCE_BIG_HAMMER: issue diagnostic reset
432  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
433  */
434 enum reset_type {
435 	FORCE_BIG_HAMMER,
436 	SOFT_RESET,
437 };
438 
439 /**
440  * struct chain_tracker - firmware chain tracker
441  * @chain_buffer: chain buffer
442  * @chain_buffer_dma: physical address
443  * @tracker_list: list of free request (ioc->free_chain_list)
444  */
445 struct chain_tracker {
446 	void *chain_buffer;
447 	dma_addr_t chain_buffer_dma;
448 	struct list_head tracker_list;
449 };
450 
451 /**
452  * struct scsiio_tracker - scsi mf request tracker
453  * @smid: system message id
454  * @scmd: scsi request pointer
455  * @cb_idx: callback index
456  * @tracker_list: list of free request (ioc->free_list)
457  */
458 struct scsiio_tracker {
459 	u16	smid;
460 	struct scsi_cmnd *scmd;
461 	u8	cb_idx;
462 	struct list_head chain_list;
463 	struct list_head tracker_list;
464 };
465 
466 /**
467  * struct request_tracker - firmware request tracker
468  * @smid: system message id
469  * @cb_idx: callback index
470  * @tracker_list: list of free request (ioc->free_list)
471  */
472 struct request_tracker {
473 	u16	smid;
474 	u8	cb_idx;
475 	struct list_head tracker_list;
476 };
477 
478 /**
479  * struct _tr_list - target reset list
480  * @handle: device handle
481  * @state: state machine
482  */
483 struct _tr_list {
484 	struct list_head list;
485 	u16	handle;
486 	u16	state;
487 };
488 
489 
490 /**
491  * struct adapter_reply_queue - the reply queue struct
492  * @ioc: per adapter object
493  * @msix_index: msix index into vector table
494  * @vector: irq vector
495  * @reply_post_host_index: head index in the pool where FW completes IO
496  * @reply_post_free: reply post base virt address
497  * @name: the name registered to request_irq()
498  * @busy: isr is actively processing replies on another cpu
499  * @list: this list
500 */
501 struct adapter_reply_queue {
502 	struct MPT3SAS_ADAPTER	*ioc;
503 	u8			msix_index;
504 	unsigned int		vector;
505 	u32			reply_post_host_index;
506 	Mpi2ReplyDescriptorsUnion_t *reply_post_free;
507 	char			name[MPT_NAME_LENGTH];
508 	atomic_t		busy;
509 	struct list_head	list;
510 };
511 
512 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
513 
514 /* SAS3.0 support */
515 typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
516 		struct scsi_cmnd *scmd, u16 smid);
517 typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
518 		dma_addr_t data_out_dma, size_t data_out_sz,
519 		dma_addr_t data_in_dma, size_t data_in_sz);
520 typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
521 		void *paddr);
522 
523 
524 
525 /* IOC Facts and Port Facts converted from little endian to cpu */
526 union mpi3_version_union {
527 	MPI2_VERSION_STRUCT		Struct;
528 	u32				Word;
529 };
530 
531 struct mpt3sas_facts {
532 	u16			MsgVersion;
533 	u16			HeaderVersion;
534 	u8			IOCNumber;
535 	u8			VP_ID;
536 	u8			VF_ID;
537 	u16			IOCExceptions;
538 	u16			IOCStatus;
539 	u32			IOCLogInfo;
540 	u8			MaxChainDepth;
541 	u8			WhoInit;
542 	u8			NumberOfPorts;
543 	u8			MaxMSIxVectors;
544 	u16			RequestCredit;
545 	u16			ProductID;
546 	u32			IOCCapabilities;
547 	union mpi3_version_union	FWVersion;
548 	u16			IOCRequestFrameSize;
549 	u16			Reserved3;
550 	u16			MaxInitiators;
551 	u16			MaxTargets;
552 	u16			MaxSasExpanders;
553 	u16			MaxEnclosures;
554 	u16			ProtocolFlags;
555 	u16			HighPriorityCredit;
556 	u16			MaxReplyDescriptorPostQueueDepth;
557 	u8			ReplyFrameSize;
558 	u8			MaxVolumes;
559 	u16			MaxDevHandle;
560 	u16			MaxPersistentEntries;
561 	u16			MinDevHandle;
562 };
563 
564 struct mpt3sas_port_facts {
565 	u8			PortNumber;
566 	u8			VP_ID;
567 	u8			VF_ID;
568 	u8			PortType;
569 	u16			MaxPostedCmdBuffers;
570 };
571 
572 struct reply_post_struct {
573 	Mpi2ReplyDescriptorsUnion_t	*reply_post_free;
574 	dma_addr_t			reply_post_free_dma;
575 };
576 
577 /**
578  * enum mutex_type - task management mutex type
579  * @TM_MUTEX_OFF: mutex is not required becuase calling function is acquiring it
580  * @TM_MUTEX_ON: mutex is required
581  */
582 enum mutex_type {
583 	TM_MUTEX_OFF = 0,
584 	TM_MUTEX_ON = 1,
585 };
586 
587 typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
588 /**
589  * struct MPT3SAS_ADAPTER - per adapter struct
590  * @list: ioc_list
591  * @shost: shost object
592  * @id: unique adapter id
593  * @cpu_count: number online cpus
594  * @name: generic ioc string
595  * @tmp_string: tmp string used for logging
596  * @pdev: pci pdev object
597  * @pio_chip: physical io register space
598  * @chip: memory mapped register space
599  * @chip_phys: physical addrss prior to mapping
600  * @logging_level: see mpt3sas_debug.h
601  * @fwfault_debug: debuging FW timeouts
602  * @ir_firmware: IR firmware present
603  * @bars: bitmask of BAR's that must be configured
604  * @mask_interrupts: ignore interrupt
605  * @dma_mask: used to set the consistent dma mask
606  * @fault_reset_work_q_name: fw fault work queue
607  * @fault_reset_work_q: ""
608  * @fault_reset_work: ""
609  * @firmware_event_name: fw event work queue
610  * @firmware_event_thread: ""
611  * @fw_event_lock:
612  * @fw_event_list: list of fw events
613  * @aen_event_read_flag: event log was read
614  * @broadcast_aen_busy: broadcast aen waiting to be serviced
615  * @shost_recovery: host reset in progress
616  * @ioc_reset_in_progress_lock:
617  * @ioc_link_reset_in_progress: phy/hard reset in progress
618  * @ignore_loginfos: ignore loginfos during task management
619  * @remove_host: flag for when driver unloads, to avoid sending dev resets
620  * @pci_error_recovery: flag to prevent ioc access until slot reset completes
621  * @wait_for_discovery_to_complete: flag set at driver load time when
622  *                                               waiting on reporting devices
623  * @is_driver_loading: flag set at driver load time
624  * @port_enable_failed: flag set when port enable has failed
625  * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
626  * @start_scan_failed: means port enable failed, return's the ioc_status
627  * @msix_enable: flag indicating msix is enabled
628  * @msix_vector_count: number msix vectors
629  * @cpu_msix_table: table for mapping cpus to msix index
630  * @cpu_msix_table_sz: table size
631  * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
632  * @scsi_io_cb_idx: shost generated commands
633  * @tm_cb_idx: task management commands
634  * @scsih_cb_idx: scsih internal commands
635  * @transport_cb_idx: transport internal commands
636  * @ctl_cb_idx: clt internal commands
637  * @base_cb_idx: base internal commands
638  * @config_cb_idx: base internal commands
639  * @tm_tr_cb_idx : device removal target reset handshake
640  * @tm_tr_volume_cb_idx : volume removal target reset
641  * @base_cmds:
642  * @transport_cmds:
643  * @scsih_cmds:
644  * @tm_cmds:
645  * @ctl_cmds:
646  * @config_cmds:
647  * @base_add_sg_single: handler for either 32/64 bit sgl's
648  * @event_type: bits indicating which events to log
649  * @event_context: unique id for each logged event
650  * @event_log: event log pointer
651  * @event_masks: events that are masked
652  * @facts: static facts data
653  * @pfacts: static port facts data
654  * @manu_pg0: static manufacturing page 0
655  * @manu_pg10: static manufacturing page 10
656  * @manu_pg11: static manufacturing page 11
657  * @bios_pg2: static bios page 2
658  * @bios_pg3: static bios page 3
659  * @ioc_pg8: static ioc page 8
660  * @iounit_pg0: static iounit page 0
661  * @iounit_pg1: static iounit page 1
662  * @sas_hba: sas host object
663  * @sas_expander_list: expander object list
664  * @sas_node_lock:
665  * @sas_device_list: sas device object list
666  * @sas_device_init_list: sas device object list (used only at init time)
667  * @sas_device_lock:
668  * @io_missing_delay: time for IO completed by fw when PDR enabled
669  * @device_missing_delay: time for device missing by fw when PDR enabled
670  * @sas_id : used for setting volume target IDs
671  * @blocking_handles: bitmask used to identify which devices need blocking
672  * @pd_handles : bitmask for PD handles
673  * @pd_handles_sz : size of pd_handle bitmask
674  * @config_page_sz: config page size
675  * @config_page: reserve memory for config page payload
676  * @config_page_dma:
677  * @hba_queue_depth: hba request queue depth
678  * @sge_size: sg element size for either 32/64 bit
679  * @scsiio_depth: SCSI_IO queue depth
680  * @request_sz: per request frame size
681  * @request: pool of request frames
682  * @request_dma:
683  * @request_dma_sz:
684  * @scsi_lookup: firmware request tracker list
685  * @scsi_lookup_lock:
686  * @free_list: free list of request
687  * @pending_io_count:
688  * @reset_wq:
689  * @chain: pool of chains
690  * @chain_dma:
691  * @max_sges_in_main_message: number sg elements in main message
692  * @max_sges_in_chain_message: number sg elements per chain
693  * @chains_needed_per_io: max chains per io
694  * @chain_depth: total chains allocated
695  * @hi_priority_smid:
696  * @hi_priority:
697  * @hi_priority_dma:
698  * @hi_priority_depth:
699  * @hpr_lookup:
700  * @hpr_free_list:
701  * @internal_smid:
702  * @internal:
703  * @internal_dma:
704  * @internal_depth:
705  * @internal_lookup:
706  * @internal_free_list:
707  * @sense: pool of sense
708  * @sense_dma:
709  * @sense_dma_pool:
710  * @reply_depth: hba reply queue depth:
711  * @reply_sz: per reply frame size:
712  * @reply: pool of replys:
713  * @reply_dma:
714  * @reply_dma_pool:
715  * @reply_free_queue_depth: reply free depth
716  * @reply_free: pool for reply free queue (32 bit addr)
717  * @reply_free_dma:
718  * @reply_free_dma_pool:
719  * @reply_free_host_index: tail index in pool to insert free replys
720  * @reply_post_queue_depth: reply post queue depth
721  * @reply_post_struct: struct for reply_post_free physical & virt address
722  * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
723  * @rdpq_array_enable: rdpq_array support is enabled in the driver
724  * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
725  *				is assigned only ones
726  * @reply_queue_count: number of reply queue's
727  * @reply_queue_list: link list contaning the reply queue info
728  * @reply_post_host_index: head index in the pool where FW completes IO
729  * @delayed_tr_list: target reset link list
730  * @delayed_tr_volume_list: volume target reset link list
731  */
732 struct MPT3SAS_ADAPTER {
733 	struct list_head list;
734 	struct Scsi_Host *shost;
735 	u8		id;
736 	int		cpu_count;
737 	char		name[MPT_NAME_LENGTH];
738 	char		tmp_string[MPT_STRING_LENGTH];
739 	struct pci_dev	*pdev;
740 	Mpi2SystemInterfaceRegs_t __iomem *chip;
741 	resource_size_t	chip_phys;
742 	int		logging_level;
743 	int		fwfault_debug;
744 	u8		ir_firmware;
745 	int		bars;
746 	u8		mask_interrupts;
747 	int		dma_mask;
748 
749 	/* fw fault handler */
750 	char		fault_reset_work_q_name[20];
751 	struct workqueue_struct *fault_reset_work_q;
752 	struct delayed_work fault_reset_work;
753 
754 	/* fw event handler */
755 	char		firmware_event_name[20];
756 	struct workqueue_struct	*firmware_event_thread;
757 	spinlock_t	fw_event_lock;
758 	struct list_head fw_event_list;
759 
760 	 /* misc flags */
761 	int		aen_event_read_flag;
762 	u8		broadcast_aen_busy;
763 	u16		broadcast_aen_pending;
764 	u8		shost_recovery;
765 
766 	struct mutex	reset_in_progress_mutex;
767 	spinlock_t	ioc_reset_in_progress_lock;
768 	u8		ioc_link_reset_in_progress;
769 	u8		ioc_reset_in_progress_status;
770 
771 	u8		ignore_loginfos;
772 	u8		remove_host;
773 	u8		pci_error_recovery;
774 	u8		wait_for_discovery_to_complete;
775 	u8		is_driver_loading;
776 	u8		port_enable_failed;
777 	u8		start_scan;
778 	u16		start_scan_failed;
779 
780 	u8		msix_enable;
781 	u16		msix_vector_count;
782 	u8		*cpu_msix_table;
783 	u16		cpu_msix_table_sz;
784 	u32		ioc_reset_count;
785 	MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
786 
787 	/* internal commands, callback index */
788 	u8		scsi_io_cb_idx;
789 	u8		tm_cb_idx;
790 	u8		transport_cb_idx;
791 	u8		scsih_cb_idx;
792 	u8		ctl_cb_idx;
793 	u8		base_cb_idx;
794 	u8		port_enable_cb_idx;
795 	u8		config_cb_idx;
796 	u8		tm_tr_cb_idx;
797 	u8		tm_tr_volume_cb_idx;
798 	u8		tm_sas_control_cb_idx;
799 	struct _internal_cmd base_cmds;
800 	struct _internal_cmd port_enable_cmds;
801 	struct _internal_cmd transport_cmds;
802 	struct _internal_cmd scsih_cmds;
803 	struct _internal_cmd tm_cmds;
804 	struct _internal_cmd ctl_cmds;
805 	struct _internal_cmd config_cmds;
806 
807 	MPT_ADD_SGE	base_add_sg_single;
808 
809 	/* function ptr for either IEEE or MPI sg elements */
810 	MPT_BUILD_SG_SCMD build_sg_scmd;
811 	MPT_BUILD_SG    build_sg;
812 	MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
813 	u8              mpi25;
814 	u16             sge_size_ieee;
815 
816 	/* function ptr for MPI sg elements only */
817 	MPT_BUILD_SG    build_sg_mpi;
818 	MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
819 
820 	/* event log */
821 	u32		event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
822 	u32		event_context;
823 	void		*event_log;
824 	u32		event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
825 
826 	/* static config pages */
827 	struct mpt3sas_facts facts;
828 	struct mpt3sas_port_facts *pfacts;
829 	Mpi2ManufacturingPage0_t manu_pg0;
830 	struct Mpi2ManufacturingPage10_t manu_pg10;
831 	struct Mpi2ManufacturingPage11_t manu_pg11;
832 	Mpi2BiosPage2_t	bios_pg2;
833 	Mpi2BiosPage3_t	bios_pg3;
834 	Mpi2IOCPage8_t ioc_pg8;
835 	Mpi2IOUnitPage0_t iounit_pg0;
836 	Mpi2IOUnitPage1_t iounit_pg1;
837 
838 	struct _boot_device req_boot_device;
839 	struct _boot_device req_alt_boot_device;
840 	struct _boot_device current_boot_device;
841 
842 	/* sas hba, expander, and device list */
843 	struct _sas_node sas_hba;
844 	struct list_head sas_expander_list;
845 	spinlock_t	sas_node_lock;
846 	struct list_head sas_device_list;
847 	struct list_head sas_device_init_list;
848 	spinlock_t	sas_device_lock;
849 	struct list_head raid_device_list;
850 	spinlock_t	raid_device_lock;
851 	u8		io_missing_delay;
852 	u16		device_missing_delay;
853 	int		sas_id;
854 
855 	void		*blocking_handles;
856 	void		*pd_handles;
857 	u16		pd_handles_sz;
858 
859 	/* config page */
860 	u16		config_page_sz;
861 	void		*config_page;
862 	dma_addr_t	config_page_dma;
863 
864 	/* scsiio request */
865 	u16		hba_queue_depth;
866 	u16		sge_size;
867 	u16		scsiio_depth;
868 	u16		request_sz;
869 	u8		*request;
870 	dma_addr_t	request_dma;
871 	u32		request_dma_sz;
872 	struct scsiio_tracker *scsi_lookup;
873 	ulong		scsi_lookup_pages;
874 	spinlock_t	scsi_lookup_lock;
875 	struct list_head free_list;
876 	int		pending_io_count;
877 	wait_queue_head_t reset_wq;
878 
879 	/* chain */
880 	struct chain_tracker *chain_lookup;
881 	struct list_head free_chain_list;
882 	struct dma_pool *chain_dma_pool;
883 	ulong		chain_pages;
884 	u16		max_sges_in_main_message;
885 	u16		max_sges_in_chain_message;
886 	u16		chains_needed_per_io;
887 	u32		chain_depth;
888 
889 	/* hi-priority queue */
890 	u16		hi_priority_smid;
891 	u8		*hi_priority;
892 	dma_addr_t	hi_priority_dma;
893 	u16		hi_priority_depth;
894 	struct request_tracker *hpr_lookup;
895 	struct list_head hpr_free_list;
896 
897 	/* internal queue */
898 	u16		internal_smid;
899 	u8		*internal;
900 	dma_addr_t	internal_dma;
901 	u16		internal_depth;
902 	struct request_tracker *internal_lookup;
903 	struct list_head internal_free_list;
904 
905 	/* sense */
906 	u8		*sense;
907 	dma_addr_t	sense_dma;
908 	struct dma_pool *sense_dma_pool;
909 
910 	/* reply */
911 	u16		reply_sz;
912 	u8		*reply;
913 	dma_addr_t	reply_dma;
914 	u32		reply_dma_max_address;
915 	u32		reply_dma_min_address;
916 	struct dma_pool *reply_dma_pool;
917 
918 	/* reply free queue */
919 	u16		reply_free_queue_depth;
920 	__le32		*reply_free;
921 	dma_addr_t	reply_free_dma;
922 	struct dma_pool *reply_free_dma_pool;
923 	u32		reply_free_host_index;
924 
925 	/* reply post queue */
926 	u16		reply_post_queue_depth;
927 	struct reply_post_struct *reply_post;
928 	u8		rdpq_array_capable;
929 	u8		rdpq_array_enable;
930 	u8		rdpq_array_enable_assigned;
931 	struct dma_pool *reply_post_free_dma_pool;
932 	u8		reply_queue_count;
933 	struct list_head reply_queue_list;
934 
935 	struct list_head delayed_tr_list;
936 	struct list_head delayed_tr_volume_list;
937 
938 	/* diag buffer support */
939 	u8		*diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
940 	u32		diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
941 	dma_addr_t	diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
942 	u8		diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
943 	u32		unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
944 	u32		product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
945 	u32		diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
946 	u32		ring_buffer_offset;
947 	u32		ring_buffer_sz;
948 	spinlock_t	diag_trigger_lock;
949 	u8		diag_trigger_active;
950 	struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
951 	struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
952 	struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
953 	struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
954 };
955 
956 typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
957 	u32 reply);
958 
959 
960 /* base shared API */
961 extern struct list_head mpt3sas_ioc_list;
962 void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
963 void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
964 
965 int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
966 void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
967 int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
968 void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
969 int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc, int sleep_flag,
970 	enum reset_type type);
971 
972 void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
973 void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
974 __le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
975 	u16 smid);
976 void mpt3sas_base_flush_reply_queues(struct MPT3SAS_ADAPTER *ioc);
977 
978 /* hi-priority queue */
979 u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
980 u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
981 	struct scsi_cmnd *scmd);
982 
983 u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
984 void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
985 void mpt3sas_base_put_smid_scsi_io(struct MPT3SAS_ADAPTER *ioc, u16 smid,
986 	u16 handle);
987 void mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
988 	u16 handle);
989 void mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, u16 smid);
990 void mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid);
991 void mpt3sas_base_initialize_callback_handler(void);
992 u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
993 void mpt3sas_base_release_callback_handler(u8 cb_idx);
994 
995 u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
996 	u32 reply);
997 u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
998 	u8 msix_index, u32 reply);
999 void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
1000 	u32 phys_addr);
1001 
1002 u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
1003 
1004 void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
1005 int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
1006 	Mpi2SasIoUnitControlReply_t *mpi_reply,
1007 	Mpi2SasIoUnitControlRequest_t *mpi_request);
1008 int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
1009 	Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1010 
1011 void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
1012 	u32 *event_type);
1013 
1014 void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
1015 
1016 void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
1017 	u16 device_missing_delay, u8 io_missing_delay);
1018 
1019 int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
1020 
1021 
1022 /* scsih shared API */
1023 u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
1024 	u32 reply);
1025 void mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1026 
1027 int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1028 	uint channel, uint id, uint lun, u8 type, u16 smid_task,
1029 	ulong timeout, enum mutex_type m_type);
1030 void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1031 void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1032 void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1033 void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1034 	u64 sas_address);
1035 
1036 struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1037 	struct MPT3SAS_ADAPTER *ioc, u16 handle);
1038 struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1039 	struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1040 struct _sas_device *mpt3sas_scsih_sas_device_find_by_sas_address(
1041 	struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1042 
1043 void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
1044 
1045 /* config shared API */
1046 u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1047 	u32 reply);
1048 int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1049 	u8 *num_phys);
1050 int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1051 	Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1052 int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1053 	Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1054 	u16 sz);
1055 int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1056 	Mpi2ConfigReply_t *mpi_reply,
1057 	struct Mpi2ManufacturingPage10_t *config_page);
1058 
1059 int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1060 	Mpi2ConfigReply_t *mpi_reply,
1061 	struct Mpi2ManufacturingPage11_t  *config_page);
1062 int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1063 	Mpi2ConfigReply_t *mpi_reply,
1064 	struct Mpi2ManufacturingPage11_t *config_page);
1065 
1066 int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1067 	*mpi_reply, Mpi2BiosPage2_t *config_page);
1068 int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1069 	*mpi_reply, Mpi2BiosPage3_t *config_page);
1070 int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1071 	*mpi_reply, Mpi2IOUnitPage0_t *config_page);
1072 int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1073 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1074 	u32 form, u32 handle);
1075 int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1076 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1077 	u32 form, u32 handle);
1078 int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1079 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1080 	u16 sz);
1081 int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1082 	*mpi_reply, Mpi2IOUnitPage1_t *config_page);
1083 int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1084 	*mpi_reply, Mpi2IOUnitPage1_t *config_page);
1085 int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1086 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1087 	u16 sz);
1088 int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1089 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1090 	u16 sz);
1091 int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1092 	*mpi_reply, Mpi2IOCPage8_t *config_page);
1093 int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1094 	Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1095 	u32 form, u32 handle);
1096 int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1097 	Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1098 	u32 phy_number, u16 handle);
1099 int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1100 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1101 	u32 form, u32 handle);
1102 int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1103 	*mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1104 int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1105 	*mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1106 int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1107 	Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1108 	u32 handle);
1109 int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1110 	u8 *num_pds);
1111 int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1112 	Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1113 	u32 handle, u16 sz);
1114 int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1115 	Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1116 	u32 form, u32 form_specific);
1117 int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1118 	u16 *volume_handle);
1119 int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1120 	u16 volume_handle, u64 *wwid);
1121 
1122 /* ctl shared API */
1123 extern struct device_attribute *mpt3sas_host_attrs[];
1124 extern struct device_attribute *mpt3sas_dev_attrs[];
1125 void mpt3sas_ctl_init(void);
1126 void mpt3sas_ctl_exit(void);
1127 u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1128 	u32 reply);
1129 void mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1130 u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1131 	u8 msix_index, u32 reply);
1132 void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1133 	Mpi2EventNotificationReply_t *mpi_reply);
1134 
1135 void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1136 	u8 bits_to_regsiter);
1137 int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1138 	u8 *issue_reset);
1139 
1140 /* transport shared API */
1141 u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1142 	u32 reply);
1143 struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
1144 	u16 handle, u64 sas_address);
1145 void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1146 	u64 sas_address_parent);
1147 int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
1148 	*mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1149 int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
1150 	struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
1151 	struct device *parent_dev);
1152 void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
1153 	u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1154 extern struct sas_function_template mpt3sas_transport_functions;
1155 extern struct scsi_transport_template *mpt3sas_transport_template;
1156 extern int scsi_internal_device_block(struct scsi_device *sdev);
1157 extern int scsi_internal_device_unblock(struct scsi_device *sdev,
1158 				enum scsi_device_state new_state);
1159 /* trigger data externs */
1160 void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
1161 	struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1162 void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
1163 	struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1164 void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
1165 	u32 tigger_bitmask);
1166 void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
1167 	u16 log_entry_qualifier);
1168 void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
1169 	u8 asc, u8 ascq);
1170 void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
1171 	u32 loginfo);
1172 #endif /* MPT3SAS_BASE_H_INCLUDED */
1173