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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/mpt2sas/mpt2_base.h
6  * Copyright (C) 2007-2012  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 MPT2SAS_BASE_H_INCLUDED
46 #define MPT2SAS_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 "mpt2sas_debug.h"
67 
68 /* driver versioning info */
69 #define MPT2SAS_DRIVER_NAME		"mpt2sas"
70 #define MPT2SAS_AUTHOR	"LSI Corporation <DL-MPTFusionLinux@lsi.com>"
71 #define MPT2SAS_DESCRIPTION	"LSI MPT Fusion SAS 2.0 Device Driver"
72 #define MPT2SAS_DRIVER_VERSION		"14.100.00.00"
73 #define MPT2SAS_MAJOR_VERSION		14
74 #define MPT2SAS_MINOR_VERSION		100
75 #define MPT2SAS_BUILD_VERSION		00
76 #define MPT2SAS_RELEASE_VERSION		00
77 
78 /*
79  * Set MPT2SAS_SG_DEPTH value based on user input.
80  */
81 #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
82 #if     CONFIG_SCSI_MPT2SAS_MAX_SGE  < 16
83 #define MPT2SAS_SG_DEPTH       16
84 #elif CONFIG_SCSI_MPT2SAS_MAX_SGE  > 128
85 #define MPT2SAS_SG_DEPTH       128
86 #else
87 #define MPT2SAS_SG_DEPTH       CONFIG_SCSI_MPT2SAS_MAX_SGE
88 #endif
89 #else
90 #define MPT2SAS_SG_DEPTH       128 /* MAX_HW_SEGMENTS */
91 #endif
92 
93 
94 /*
95  * Generic Defines
96  */
97 #define MPT2SAS_SATA_QUEUE_DEPTH	32
98 #define MPT2SAS_SAS_QUEUE_DEPTH		254
99 #define MPT2SAS_RAID_QUEUE_DEPTH	128
100 
101 #define MPT_NAME_LENGTH			32	/* generic length of strings */
102 #define MPT_STRING_LENGTH		64
103 
104 #define MPT_MAX_CALLBACKS		16
105 
106 
107 #define	 CAN_SLEEP			1
108 #define  NO_SLEEP			0
109 
110 #define INTERNAL_CMDS_COUNT		10	/* reserved cmds */
111 
112 #define MPI2_HIM_MASK			0xFFFFFFFF /* mask every bit*/
113 
114 #define MPT2SAS_INVALID_DEVICE_HANDLE	0xFFFF
115 
116 
117 /*
118  * reset phases
119  */
120 #define MPT2_IOC_PRE_RESET		1 /* prior to host reset */
121 #define MPT2_IOC_AFTER_RESET		2 /* just after host reset */
122 #define MPT2_IOC_DONE_RESET		3 /* links re-initialized */
123 
124 /*
125  * logging format
126  */
127 #define MPT2SAS_FMT			"%s: "
128 #define MPT2SAS_INFO_FMT		KERN_INFO MPT2SAS_FMT
129 #define MPT2SAS_NOTE_FMT		KERN_NOTICE MPT2SAS_FMT
130 #define MPT2SAS_WARN_FMT		KERN_WARNING MPT2SAS_FMT
131 #define MPT2SAS_ERR_FMT			KERN_ERR MPT2SAS_FMT
132 
133 /*
134  * Dell HBA branding
135  */
136 #define MPT2SAS_DELL_BRANDING_SIZE                 32
137 
138 #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING        "Dell 6Gbps SAS HBA"
139 #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING    "Dell PERC H200 Adapter"
140 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
141 #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING    "Dell PERC H200 Modular"
142 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING   "Dell PERC H200 Embedded"
143 #define MPT2SAS_DELL_PERC_H200_BRANDING            "Dell PERC H200"
144 #define MPT2SAS_DELL_6GBPS_SAS_BRANDING            "Dell 6Gbps SAS"
145 
146 /*
147  * Dell HBA SSDIDs
148  */
149 #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID           0x1F1C
150 #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID       0x1F1D
151 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID    0x1F1E
152 #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID       0x1F1F
153 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID      0x1F20
154 #define MPT2SAS_DELL_PERC_H200_SSDID               0x1F21
155 #define MPT2SAS_DELL_6GBPS_SAS_SSDID               0x1F22
156 
157 /*
158  * Intel HBA branding
159  */
160 #define MPT2SAS_INTEL_RMS25JB080_BRANDING    \
161 				"Intel(R) Integrated RAID Module RMS25JB080"
162 #define MPT2SAS_INTEL_RMS25JB040_BRANDING    \
163 				"Intel(R) Integrated RAID Module RMS25JB040"
164 #define MPT2SAS_INTEL_RMS25KB080_BRANDING    \
165 				"Intel(R) Integrated RAID Module RMS25KB080"
166 #define MPT2SAS_INTEL_RMS25KB040_BRANDING    \
167 				"Intel(R) Integrated RAID Module RMS25KB040"
168 #define MPT2SAS_INTEL_RMS25LB040_BRANDING	\
169 				"Intel(R) Integrated RAID Module RMS25LB040"
170 #define MPT2SAS_INTEL_RMS25LB080_BRANDING	\
171 				"Intel(R) Integrated RAID Module RMS25LB080"
172 #define MPT2SAS_INTEL_RMS2LL080_BRANDING	\
173 				"Intel Integrated RAID Module RMS2LL080"
174 #define MPT2SAS_INTEL_RMS2LL040_BRANDING	\
175 				"Intel Integrated RAID Module RMS2LL040"
176 #define MPT2SAS_INTEL_RS25GB008_BRANDING       \
177 				"Intel(R) RAID Controller RS25GB008"
178 #define MPT2SAS_INTEL_SSD910_BRANDING          \
179 				"Intel(R) SSD 910 Series"
180 /*
181  * Intel HBA SSDIDs
182  */
183 #define MPT2SAS_INTEL_RMS25JB080_SSDID         0x3516
184 #define MPT2SAS_INTEL_RMS25JB040_SSDID         0x3517
185 #define MPT2SAS_INTEL_RMS25KB080_SSDID         0x3518
186 #define MPT2SAS_INTEL_RMS25KB040_SSDID         0x3519
187 #define MPT2SAS_INTEL_RMS25LB040_SSDID         0x351A
188 #define MPT2SAS_INTEL_RMS25LB080_SSDID         0x351B
189 #define MPT2SAS_INTEL_RMS2LL080_SSDID          0x350E
190 #define MPT2SAS_INTEL_RMS2LL040_SSDID          0x350F
191 #define MPT2SAS_INTEL_RS25GB008_SSDID          0x3000
192 #define MPT2SAS_INTEL_SSD910_SSDID             0x3700
193 
194 /*
195  * HP HBA branding
196  */
197 #define MPT2SAS_HP_3PAR_SSVID                0x1590
198 #define MPT2SAS_HP_2_4_INTERNAL_BRANDING        "HP H220 Host Bus Adapter"
199 #define MPT2SAS_HP_2_4_EXTERNAL_BRANDING        "HP H221 Host Bus Adapter"
200 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING "HP H222 Host Bus Adapter"
201 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING    "HP H220i Host Bus Adapter"
202 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING    "HP H210i Host Bus Adapter"
203 
204 /*
205  * HO HBA SSDIDs
206  */
207 #define MPT2SAS_HP_2_4_INTERNAL_SSDID            0x0041
208 #define MPT2SAS_HP_2_4_EXTERNAL_SSDID            0x0042
209 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID    0x0043
210 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID        0x0044
211 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID        0x0046
212 
213 /*
214  *  WarpDrive Specific Log codes
215  */
216 
217 #define MPT2_WARPDRIVE_LOGENTRY		(0x8002)
218 #define MPT2_WARPDRIVE_LC_SSDT		(0x41)
219 #define MPT2_WARPDRIVE_LC_SSDLW		(0x43)
220 #define MPT2_WARPDRIVE_LC_SSDLF		(0x44)
221 #define MPT2_WARPDRIVE_LC_BRMF		(0x4D)
222 
223 /*
224  * per target private data
225  */
226 #define MPT_TARGET_FLAGS_RAID_COMPONENT	0x01
227 #define MPT_TARGET_FLAGS_VOLUME		0x02
228 #define MPT_TARGET_FLAGS_DELETED	0x04
229 
230 /**
231  * struct MPT2SAS_TARGET - starget private hostdata
232  * @starget: starget object
233  * @sas_address: target sas address
234  * @raid_device: raid_device pointer to access volume data
235  * @handle: device handle
236  * @num_luns: number luns
237  * @flags: MPT_TARGET_FLAGS_XXX flags
238  * @deleted: target flaged for deletion
239  * @tm_busy: target is busy with TM request.
240  */
241 struct MPT2SAS_TARGET {
242 	struct scsi_target *starget;
243 	u64	sas_address;
244 	struct _raid_device *raid_device;
245 	u16	handle;
246 	int	num_luns;
247 	u32	flags;
248 	u8	deleted;
249 	u8	tm_busy;
250 };
251 
252 
253 /*
254  * per device private data
255  */
256 #define MPT_DEVICE_FLAGS_INIT		0x01
257 #define MPT_DEVICE_TLR_ON		0x02
258 
259 /**
260  * struct MPT2SAS_DEVICE - sdev private hostdata
261  * @sas_target: starget private hostdata
262  * @lun: lun number
263  * @flags: MPT_DEVICE_XXX flags
264  * @configured_lun: lun is configured
265  * @block: device is in SDEV_BLOCK state
266  * @tlr_snoop_check: flag used in determining whether to disable TLR
267  */
268 
269 /* OEM Identifiers */
270 #define MFG10_OEM_ID_INVALID                   (0x00000000)
271 #define MFG10_OEM_ID_DELL                      (0x00000001)
272 #define MFG10_OEM_ID_FSC                       (0x00000002)
273 #define MFG10_OEM_ID_SUN                       (0x00000003)
274 #define MFG10_OEM_ID_IBM                       (0x00000004)
275 
276 /* GENERIC Flags 0*/
277 #define MFG10_GF0_OCE_DISABLED                 (0x00000001)
278 #define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
279 #define MFG10_GF0_R10_DISPLAY                  (0x00000004)
280 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
281 #define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
282 
283 /* OEM Specific Flags will come from OEM specific header files */
284 typedef struct _MPI2_CONFIG_PAGE_MAN_10 {
285     MPI2_CONFIG_PAGE_HEADER Header;                                 /* 00h */
286     U8                      OEMIdentifier;                          /* 04h */
287     U8                      Reserved1;                              /* 05h */
288     U16                     Reserved2;                              /* 08h */
289     U32                     Reserved3;                              /* 0Ch */
290     U32                     GenericFlags0;                          /* 10h */
291     U32                     GenericFlags1;                          /* 14h */
292     U32                     Reserved4;                              /* 18h */
293     U32                     OEMSpecificFlags0;                      /* 1Ch */
294     U32                     OEMSpecificFlags1;                      /* 20h */
295     U32                     Reserved5[18];                          /* 24h-60h*/
296 } MPI2_CONFIG_PAGE_MAN_10,
297   MPI2_POINTER PTR_MPI2_CONFIG_PAGE_MAN_10,
298   Mpi2ManufacturingPage10_t, MPI2_POINTER pMpi2ManufacturingPage10_t;
299 
300 #define MFG_PAGE10_HIDE_SSDS_MASK	(0x00000003)
301 #define MFG_PAGE10_HIDE_ALL_DISKS	(0x00)
302 #define MFG_PAGE10_EXPOSE_ALL_DISKS	(0x01)
303 #define MFG_PAGE10_HIDE_IF_VOL_PRESENT	(0x02)
304 
305 
306 struct MPT2SAS_DEVICE {
307 	struct MPT2SAS_TARGET *sas_target;
308 	unsigned int	lun;
309 	u32	flags;
310 	u8	configured_lun;
311 	u8	block;
312 	u8	tlr_snoop_check;
313 };
314 
315 #define MPT2_CMD_NOT_USED	0x8000	/* free */
316 #define MPT2_CMD_COMPLETE	0x0001	/* completed */
317 #define MPT2_CMD_PENDING	0x0002	/* pending */
318 #define MPT2_CMD_REPLY_VALID	0x0004	/* reply is valid */
319 #define MPT2_CMD_RESET		0x0008	/* host reset dropped the command */
320 
321 /**
322  * struct _internal_cmd - internal commands struct
323  * @mutex: mutex
324  * @done: completion
325  * @reply: reply message pointer
326  * @sense: sense data
327  * @status: MPT2_CMD_XXX status
328  * @smid: system message id
329  */
330 struct _internal_cmd {
331 	struct mutex mutex;
332 	struct completion done;
333 	void 	*reply;
334 	void	*sense;
335 	u16	status;
336 	u16	smid;
337 };
338 
339 
340 /**
341  * struct _sas_device - attached device information
342  * @list: sas device list
343  * @starget: starget object
344  * @sas_address: device sas address
345  * @device_name: retrieved from the SAS IDENTIFY frame.
346  * @handle: device handle
347  * @sas_address_parent: sas address of parent expander or sas host
348  * @enclosure_handle: enclosure handle
349  * @enclosure_logical_id: enclosure logical identifier
350  * @volume_handle: volume handle (valid when hidden raid member)
351  * @volume_wwid: volume unique identifier
352  * @device_info: bitfield provides detailed info about the device
353  * @id: target id
354  * @channel: target channel
355  * @slot: number number
356  * @phy: phy identifier provided in sas device page 0
357  * @responding: used in _scsih_sas_device_mark_responding
358  */
359 struct _sas_device {
360 	struct list_head list;
361 	struct scsi_target *starget;
362 	u64	sas_address;
363 	u64	device_name;
364 	u16	handle;
365 	u64	sas_address_parent;
366 	u16	enclosure_handle;
367 	u64	enclosure_logical_id;
368 	u16	volume_handle;
369 	u64	volume_wwid;
370 	u32	device_info;
371 	int	id;
372 	int	channel;
373 	u16	slot;
374 	u8	phy;
375 	u8	responding;
376 };
377 
378 /**
379  * struct _raid_device - raid volume link list
380  * @list: sas device list
381  * @starget: starget object
382  * @sdev: scsi device struct (volumes are single lun)
383  * @wwid: unique identifier for the volume
384  * @handle: device handle
385  * @block_size: Block size of the volume
386  * @id: target id
387  * @channel: target channel
388  * @volume_type: the raid level
389  * @device_info: bitfield provides detailed info about the hidden components
390  * @num_pds: number of hidden raid components
391  * @responding: used in _scsih_raid_device_mark_responding
392  * @percent_complete: resync percent complete
393  * @direct_io_enabled: Whether direct io to PDs are allowed or not
394  * @stripe_exponent: X where 2powX is the stripe sz in blocks
395  * @block_exponent: X where 2powX is the block sz in bytes
396  * @max_lba: Maximum number of LBA in the volume
397  * @stripe_sz: Stripe Size of the volume
398  * @device_info: Device info of the volume member disk
399  * @pd_handle: Array of handles of the physical drives for direct I/O in le16
400  */
401 #define MPT_MAX_WARPDRIVE_PDS		8
402 struct _raid_device {
403 	struct list_head list;
404 	struct scsi_target *starget;
405 	struct scsi_device *sdev;
406 	u64	wwid;
407 	u16	handle;
408 	u16	block_sz;
409 	int	id;
410 	int	channel;
411 	u8	volume_type;
412 	u8	num_pds;
413 	u8	responding;
414 	u8	percent_complete;
415 	u8	direct_io_enabled;
416 	u8	stripe_exponent;
417 	u8	block_exponent;
418 	u64	max_lba;
419 	u32	stripe_sz;
420 	u32	device_info;
421 	u16	pd_handle[MPT_MAX_WARPDRIVE_PDS];
422 };
423 
424 /**
425  * struct _boot_device - boot device info
426  * @is_raid: flag to indicate whether this is volume
427  * @device: holds pointer for either struct _sas_device or
428  *     struct _raid_device
429  */
430 struct _boot_device {
431 	u8 is_raid;
432 	void *device;
433 };
434 
435 /**
436  * struct _sas_port - wide/narrow sas port information
437  * @port_list: list of ports belonging to expander
438  * @num_phys: number of phys belonging to this port
439  * @remote_identify: attached device identification
440  * @rphy: sas transport rphy object
441  * @port: sas transport wide/narrow port object
442  * @phy_list: _sas_phy list objects belonging to this port
443  */
444 struct _sas_port {
445 	struct list_head port_list;
446 	u8	num_phys;
447 	struct sas_identify remote_identify;
448 	struct sas_rphy *rphy;
449 	struct sas_port *port;
450 	struct list_head phy_list;
451 };
452 
453 /**
454  * struct _sas_phy - phy information
455  * @port_siblings: list of phys belonging to a port
456  * @identify: phy identification
457  * @remote_identify: attached device identification
458  * @phy: sas transport phy object
459  * @phy_id: unique phy id
460  * @handle: device handle for this phy
461  * @attached_handle: device handle for attached device
462  * @phy_belongs_to_port: port has been created for this phy
463  */
464 struct _sas_phy {
465 	struct list_head port_siblings;
466 	struct sas_identify identify;
467 	struct sas_identify remote_identify;
468 	struct sas_phy *phy;
469 	u8	phy_id;
470 	u16	handle;
471 	u16	attached_handle;
472 	u8	phy_belongs_to_port;
473 };
474 
475 /**
476  * struct _sas_node - sas_host/expander information
477  * @list: list of expanders
478  * @parent_dev: parent device class
479  * @num_phys: number phys belonging to this sas_host/expander
480  * @sas_address: sas address of this sas_host/expander
481  * @handle: handle for this sas_host/expander
482  * @sas_address_parent: sas address of parent expander or sas host
483  * @enclosure_handle: handle for this a member of an enclosure
484  * @device_info: bitwise defining capabilities of this sas_host/expander
485  * @responding: used in _scsih_expander_device_mark_responding
486  * @phy: a list of phys that make up this sas_host/expander
487  * @sas_port_list: list of ports attached to this sas_host/expander
488  */
489 struct _sas_node {
490 	struct list_head list;
491 	struct device *parent_dev;
492 	u8	num_phys;
493 	u64	sas_address;
494 	u16	handle;
495 	u64	sas_address_parent;
496 	u16	enclosure_handle;
497 	u64	enclosure_logical_id;
498 	u8	responding;
499 	struct	_sas_phy *phy;
500 	struct list_head sas_port_list;
501 };
502 
503 /**
504  * enum reset_type - reset state
505  * @FORCE_BIG_HAMMER: issue diagnostic reset
506  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
507  */
508 enum reset_type {
509 	FORCE_BIG_HAMMER,
510 	SOFT_RESET,
511 };
512 
513 /**
514  * struct chain_tracker - firmware chain tracker
515  * @chain_buffer: chain buffer
516  * @chain_buffer_dma: physical address
517  * @tracker_list: list of free request (ioc->free_chain_list)
518  */
519 struct chain_tracker {
520 	void *chain_buffer;
521 	dma_addr_t chain_buffer_dma;
522 	struct list_head tracker_list;
523 };
524 
525 /**
526  * struct scsiio_tracker - scsi mf request tracker
527  * @smid: system message id
528  * @scmd: scsi request pointer
529  * @cb_idx: callback index
530  * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
531  * @chain_list: list of chains associated to this IO
532  * @tracker_list: list of free request (ioc->free_list)
533  */
534 struct scsiio_tracker {
535 	u16	smid;
536 	struct scsi_cmnd *scmd;
537 	u8	cb_idx;
538 	u8	direct_io;
539 	struct list_head chain_list;
540 	struct list_head tracker_list;
541 };
542 
543 /**
544  * struct request_tracker - firmware request tracker
545  * @smid: system message id
546  * @cb_idx: callback index
547  * @tracker_list: list of free request (ioc->free_list)
548  */
549 struct request_tracker {
550 	u16	smid;
551 	u8	cb_idx;
552 	struct list_head tracker_list;
553 };
554 
555 /**
556  * struct _tr_list - target reset list
557  * @handle: device handle
558  * @state: state machine
559  */
560 struct _tr_list {
561 	struct list_head list;
562 	u16	handle;
563 	u16	state;
564 };
565 
566 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
567 
568 /**
569  * struct adapter_reply_queue - the reply queue struct
570  * @ioc: per adapter object
571  * @msix_index: msix index into vector table
572  * @vector: irq vector
573  * @reply_post_host_index: head index in the pool where FW completes IO
574  * @reply_post_free: reply post base virt address
575  * @name: the name registered to request_irq()
576  * @busy: isr is actively processing replies on another cpu
577  * @list: this list
578 */
579 struct adapter_reply_queue {
580 	struct MPT2SAS_ADAPTER	*ioc;
581 	u8			msix_index;
582 	unsigned int		vector;
583 	u32			reply_post_host_index;
584 	Mpi2ReplyDescriptorsUnion_t *reply_post_free;
585 	char			name[MPT_NAME_LENGTH];
586 	atomic_t		busy;
587 	struct list_head	list;
588 };
589 
590 /* IOC Facts and Port Facts converted from little endian to cpu */
591 union mpi2_version_union {
592 	MPI2_VERSION_STRUCT		Struct;
593 	u32				Word;
594 };
595 
596 struct mpt2sas_facts {
597 	u16			MsgVersion;
598 	u16			HeaderVersion;
599 	u8			IOCNumber;
600 	u8			VP_ID;
601 	u8			VF_ID;
602 	u16			IOCExceptions;
603 	u16			IOCStatus;
604 	u32			IOCLogInfo;
605 	u8			MaxChainDepth;
606 	u8			WhoInit;
607 	u8			NumberOfPorts;
608 	u8			MaxMSIxVectors;
609 	u16			RequestCredit;
610 	u16			ProductID;
611 	u32			IOCCapabilities;
612 	union mpi2_version_union	FWVersion;
613 	u16			IOCRequestFrameSize;
614 	u16			Reserved3;
615 	u16			MaxInitiators;
616 	u16			MaxTargets;
617 	u16			MaxSasExpanders;
618 	u16			MaxEnclosures;
619 	u16			ProtocolFlags;
620 	u16			HighPriorityCredit;
621 	u16			MaxReplyDescriptorPostQueueDepth;
622 	u8			ReplyFrameSize;
623 	u8			MaxVolumes;
624 	u16			MaxDevHandle;
625 	u16			MaxPersistentEntries;
626 	u16			MinDevHandle;
627 };
628 
629 struct mpt2sas_port_facts {
630 	u8			PortNumber;
631 	u8			VP_ID;
632 	u8			VF_ID;
633 	u8			PortType;
634 	u16			MaxPostedCmdBuffers;
635 };
636 
637 /**
638  * enum mutex_type - task management mutex type
639  * @TM_MUTEX_OFF: mutex is not required becuase calling function is acquiring it
640  * @TM_MUTEX_ON: mutex is required
641  */
642 enum mutex_type {
643 	TM_MUTEX_OFF = 0,
644 	TM_MUTEX_ON = 1,
645 };
646 
647 typedef void (*MPT2SAS_FLUSH_RUNNING_CMDS)(struct MPT2SAS_ADAPTER *ioc);
648 /**
649  * struct MPT2SAS_ADAPTER - per adapter struct
650  * @list: ioc_list
651  * @shost: shost object
652  * @id: unique adapter id
653  * @cpu_count: number online cpus
654  * @name: generic ioc string
655  * @tmp_string: tmp string used for logging
656  * @pdev: pci pdev object
657  * @chip: memory mapped register space
658  * @chip_phys: physical addrss prior to mapping
659  * @logging_level: see mpt2sas_debug.h
660  * @fwfault_debug: debuging FW timeouts
661  * @ir_firmware: IR firmware present
662  * @bars: bitmask of BAR's that must be configured
663  * @mask_interrupts: ignore interrupt
664  * @fault_reset_work_q_name: fw fault work queue
665  * @fault_reset_work_q: ""
666  * @fault_reset_work: ""
667  * @firmware_event_name: fw event work queue
668  * @firmware_event_thread: ""
669  * @fw_events_off: flag to turn off fw event handling
670  * @fw_event_lock:
671  * @fw_event_list: list of fw events
672  * @aen_event_read_flag: event log was read
673  * @broadcast_aen_busy: broadcast aen waiting to be serviced
674  * @shost_recovery: host reset in progress
675  * @ioc_reset_in_progress_lock:
676  * @ioc_link_reset_in_progress: phy/hard reset in progress
677  * @ignore_loginfos: ignore loginfos during task management
678  * @remove_host: flag for when driver unloads, to avoid sending dev resets
679  * @pci_error_recovery: flag to prevent ioc access until slot reset completes
680  * @wait_for_discovery_to_complete: flag set at driver load time when
681  *                                               waiting on reporting devices
682  * @is_driver_loading: flag set at driver load time
683  * @port_enable_failed: flag set when port enable has failed
684  * @start_scan: flag set from scan_start callback, cleared from _mpt2sas_fw_work
685  * @start_scan_failed: means port enable failed, return's the ioc_status
686  * @msix_enable: flag indicating msix is enabled
687  * @msix_vector_count: number msix vectors
688  * @cpu_msix_table: table for mapping cpus to msix index
689  * @cpu_msix_table_sz: table size
690  * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
691  * @scsi_io_cb_idx: shost generated commands
692  * @tm_cb_idx: task management commands
693  * @scsih_cb_idx: scsih internal commands
694  * @transport_cb_idx: transport internal commands
695  * @ctl_cb_idx: clt internal commands
696  * @base_cb_idx: base internal commands
697  * @config_cb_idx: base internal commands
698  * @tm_tr_cb_idx : device removal target reset handshake
699  * @tm_tr_volume_cb_idx : volume removal target reset
700  * @base_cmds:
701  * @transport_cmds:
702  * @scsih_cmds:
703  * @tm_cmds:
704  * @ctl_cmds:
705  * @config_cmds:
706  * @base_add_sg_single: handler for either 32/64 bit sgl's
707  * @event_type: bits indicating which events to log
708  * @event_context: unique id for each logged event
709  * @event_log: event log pointer
710  * @event_masks: events that are masked
711  * @facts: static facts data
712  * @pfacts: static port facts data
713  * @manu_pg0: static manufacturing page 0
714  * @manu_pg10: static manufacturing page 10
715  * @bios_pg2: static bios page 2
716  * @bios_pg3: static bios page 3
717  * @ioc_pg8: static ioc page 8
718  * @iounit_pg0: static iounit page 0
719  * @iounit_pg1: static iounit page 1
720  * @sas_hba: sas host object
721  * @sas_expander_list: expander object list
722  * @sas_node_lock:
723  * @sas_device_list: sas device object list
724  * @sas_device_init_list: sas device object list (used only at init time)
725  * @sas_device_lock:
726  * @io_missing_delay: time for IO completed by fw when PDR enabled
727  * @device_missing_delay: time for device missing by fw when PDR enabled
728  * @sas_id : used for setting volume target IDs
729  * @blocking_handles: bitmask used to identify which devices need blocking
730  * @pd_handles : bitmask for PD handles
731  * @pd_handles_sz : size of pd_handle bitmask
732  * @config_page_sz: config page size
733  * @config_page: reserve memory for config page payload
734  * @config_page_dma:
735  * @hba_queue_depth: hba request queue depth
736  * @sge_size: sg element size for either 32/64 bit
737  * @scsiio_depth: SCSI_IO queue depth
738  * @request_sz: per request frame size
739  * @request: pool of request frames
740  * @request_dma:
741  * @request_dma_sz:
742  * @scsi_lookup: firmware request tracker list
743  * @scsi_lookup_lock:
744  * @free_list: free list of request
745  * @chain: pool of chains
746  * @pending_io_count:
747  * @reset_wq:
748  * @chain_dma:
749  * @max_sges_in_main_message: number sg elements in main message
750  * @max_sges_in_chain_message: number sg elements per chain
751  * @chains_needed_per_io: max chains per io
752  * @chain_offset_value_for_main_message: location 1st sg in main
753  * @chain_depth: total chains allocated
754  * @hi_priority_smid:
755  * @hi_priority:
756  * @hi_priority_dma:
757  * @hi_priority_depth:
758  * @hpr_lookup:
759  * @hpr_free_list:
760  * @internal_smid:
761  * @internal:
762  * @internal_dma:
763  * @internal_depth:
764  * @internal_lookup:
765  * @internal_free_list:
766  * @sense: pool of sense
767  * @sense_dma:
768  * @sense_dma_pool:
769  * @reply_depth: hba reply queue depth:
770  * @reply_sz: per reply frame size:
771  * @reply: pool of replys:
772  * @reply_dma:
773  * @reply_dma_pool:
774  * @reply_free_queue_depth: reply free depth
775  * @reply_free: pool for reply free queue (32 bit addr)
776  * @reply_free_dma:
777  * @reply_free_dma_pool:
778  * @reply_free_host_index: tail index in pool to insert free replys
779  * @reply_post_queue_depth: reply post queue depth
780  * @reply_post_free: pool for reply post (64bit descriptor)
781  * @reply_post_free_dma:
782  * @reply_queue_count: number of reply queue's
783  * @reply_queue_list: link list contaning the reply queue info
784  * @reply_post_host_index: head index in the pool where FW completes IO
785  * @delayed_tr_list: target reset link list
786  * @delayed_tr_volume_list: volume target reset link list
787  */
788 struct MPT2SAS_ADAPTER {
789 	struct list_head list;
790 	struct Scsi_Host *shost;
791 	u8		id;
792 	int		cpu_count;
793 	char		name[MPT_NAME_LENGTH];
794 	char		tmp_string[MPT_STRING_LENGTH];
795 	struct pci_dev	*pdev;
796 	Mpi2SystemInterfaceRegs_t __iomem *chip;
797 	resource_size_t	chip_phys;
798 	int		logging_level;
799 	int		fwfault_debug;
800 	u8		ir_firmware;
801 	int		bars;
802 	u8		mask_interrupts;
803 
804 	/* fw fault handler */
805 	char		fault_reset_work_q_name[20];
806 	struct workqueue_struct *fault_reset_work_q;
807 	struct delayed_work fault_reset_work;
808 
809 	/* fw event handler */
810 	char		firmware_event_name[20];
811 	struct workqueue_struct	*firmware_event_thread;
812 	spinlock_t	fw_event_lock;
813 	struct list_head fw_event_list;
814 
815 	 /* misc flags */
816 	int		aen_event_read_flag;
817 	u8		broadcast_aen_busy;
818 	u16		broadcast_aen_pending;
819 	u8		shost_recovery;
820 
821 	struct mutex	reset_in_progress_mutex;
822 	spinlock_t 	ioc_reset_in_progress_lock;
823 	u8		ioc_link_reset_in_progress;
824 	u8		ioc_reset_in_progress_status;
825 
826 	u8		ignore_loginfos;
827 	u8		remove_host;
828 	u8		pci_error_recovery;
829 	u8		wait_for_discovery_to_complete;
830 	struct completion	port_enable_done;
831 	u8		is_driver_loading;
832 	u8		port_enable_failed;
833 
834 	u8		start_scan;
835 	u16		start_scan_failed;
836 
837 	u8		msix_enable;
838 	u16		msix_vector_count;
839 	u8		*cpu_msix_table;
840 	resource_size_t	**reply_post_host_index;
841 	u16		cpu_msix_table_sz;
842 	u32		ioc_reset_count;
843 	MPT2SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
844 	u32             non_operational_loop;
845 
846 	/* internal commands, callback index */
847 	u8		scsi_io_cb_idx;
848 	u8		tm_cb_idx;
849 	u8		transport_cb_idx;
850 	u8		scsih_cb_idx;
851 	u8		ctl_cb_idx;
852 	u8		base_cb_idx;
853 	u8		port_enable_cb_idx;
854 	u8		config_cb_idx;
855 	u8		tm_tr_cb_idx;
856 	u8		tm_tr_volume_cb_idx;
857 	u8		tm_sas_control_cb_idx;
858 	struct _internal_cmd base_cmds;
859 	struct _internal_cmd port_enable_cmds;
860 	struct _internal_cmd transport_cmds;
861 	struct _internal_cmd scsih_cmds;
862 	struct _internal_cmd tm_cmds;
863 	struct _internal_cmd ctl_cmds;
864 	struct _internal_cmd config_cmds;
865 
866 	MPT_ADD_SGE	base_add_sg_single;
867 
868 	/* event log */
869 	u32		event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
870 	u32		event_context;
871 	void		*event_log;
872 	u32		event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
873 
874 	/* static config pages */
875 	struct mpt2sas_facts facts;
876 	struct mpt2sas_port_facts *pfacts;
877 	Mpi2ManufacturingPage0_t manu_pg0;
878 	Mpi2BiosPage2_t	bios_pg2;
879 	Mpi2BiosPage3_t	bios_pg3;
880 	Mpi2IOCPage8_t ioc_pg8;
881 	Mpi2IOUnitPage0_t iounit_pg0;
882 	Mpi2IOUnitPage1_t iounit_pg1;
883 
884 	struct _boot_device req_boot_device;
885 	struct _boot_device req_alt_boot_device;
886 	struct _boot_device current_boot_device;
887 
888 	/* sas hba, expander, and device list */
889 	struct _sas_node sas_hba;
890 	struct list_head sas_expander_list;
891 	spinlock_t	sas_node_lock;
892 	struct list_head sas_device_list;
893 	struct list_head sas_device_init_list;
894 	spinlock_t	sas_device_lock;
895 	struct list_head raid_device_list;
896 	spinlock_t	raid_device_lock;
897 	u8		io_missing_delay;
898 	u16		device_missing_delay;
899 	int		sas_id;
900 	void		*blocking_handles;
901 	void		*pd_handles;
902 	u16		pd_handles_sz;
903 
904 	/* config page */
905 	u16		config_page_sz;
906 	void 		*config_page;
907 	dma_addr_t	config_page_dma;
908 
909 	/* scsiio request */
910 	u16		hba_queue_depth;
911 	u16		sge_size;
912 	u16 		scsiio_depth;
913 	u16		request_sz;
914 	u8		*request;
915 	dma_addr_t	request_dma;
916 	u32		request_dma_sz;
917 	struct scsiio_tracker *scsi_lookup;
918 	ulong		scsi_lookup_pages;
919 	spinlock_t 	scsi_lookup_lock;
920 	struct list_head free_list;
921 	int		pending_io_count;
922 	wait_queue_head_t reset_wq;
923 
924 	/* chain */
925 	struct chain_tracker *chain_lookup;
926 	struct list_head free_chain_list;
927 	struct dma_pool *chain_dma_pool;
928 	ulong		chain_pages;
929 	u16 		max_sges_in_main_message;
930 	u16		max_sges_in_chain_message;
931 	u16		chains_needed_per_io;
932 	u16		chain_offset_value_for_main_message;
933 	u32		chain_depth;
934 
935 	/* hi-priority queue */
936 	u16		hi_priority_smid;
937 	u8		*hi_priority;
938 	dma_addr_t	hi_priority_dma;
939 	u16		hi_priority_depth;
940 	struct request_tracker *hpr_lookup;
941 	struct list_head hpr_free_list;
942 
943 	/* internal queue */
944 	u16		internal_smid;
945 	u8		*internal;
946 	dma_addr_t	internal_dma;
947 	u16		internal_depth;
948 	struct request_tracker *internal_lookup;
949 	struct list_head internal_free_list;
950 
951 	/* sense */
952 	u8		*sense;
953 	dma_addr_t	sense_dma;
954 	struct dma_pool *sense_dma_pool;
955 
956 	/* reply */
957 	u16		reply_sz;
958 	u8		*reply;
959 	dma_addr_t	reply_dma;
960 	u32		reply_dma_max_address;
961 	u32		reply_dma_min_address;
962 	struct dma_pool *reply_dma_pool;
963 
964 	/* reply free queue */
965 	u16 		reply_free_queue_depth;
966 	__le32		*reply_free;
967 	dma_addr_t	reply_free_dma;
968 	struct dma_pool *reply_free_dma_pool;
969 	u32		reply_free_host_index;
970 
971 	/* reply post queue */
972 	u16 		reply_post_queue_depth;
973 	Mpi2ReplyDescriptorsUnion_t *reply_post_free;
974 	dma_addr_t	reply_post_free_dma;
975 	struct dma_pool *reply_post_free_dma_pool;
976 	u8		reply_queue_count;
977 	struct list_head reply_queue_list;
978 
979 	struct list_head delayed_tr_list;
980 	struct list_head delayed_tr_volume_list;
981 
982 	/* diag buffer support */
983 	u8		*diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
984 	u32		diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
985 	dma_addr_t	diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
986 	u8		diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
987 	u32		unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
988 	Mpi2ManufacturingPage10_t manu_pg10;
989 	u32		product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
990 	u32		diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
991 	u32		ring_buffer_offset;
992 	u32		ring_buffer_sz;
993 	u8		is_warpdrive;
994 	u8		hide_ir_msg;
995 	u8		mfg_pg10_hide_flag;
996 	u8		hide_drives;
997 
998 };
999 
1000 typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1001     u32 reply);
1002 
1003 
1004 /* base shared API */
1005 extern struct list_head mpt2sas_ioc_list;
1006 void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
1007 void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
1008 
1009 int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
1010 void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
1011 int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
1012 void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
1013 int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
1014     enum reset_type type);
1015 
1016 void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1017 void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1018 void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
1019 __le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc,
1020     u16 smid);
1021 void mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc);
1022 
1023 /* hi-priority queue */
1024 u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
1025 u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
1026     struct scsi_cmnd *scmd);
1027 
1028 u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
1029 void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1030 void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1031     u16 handle);
1032 void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1033 void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1034     u16 io_index);
1035 void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid);
1036 void mpt2sas_base_initialize_callback_handler(void);
1037 u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1038 void mpt2sas_base_release_callback_handler(u8 cb_idx);
1039 
1040 u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1041     u32 reply);
1042 u8 mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1043 	u8 msix_index,	u32 reply);
1044 void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
1045 
1046 u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
1047 
1048 void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
1049 int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
1050     Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
1051     *mpi_request);
1052 int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
1053     Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1054 void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
1055 
1056 void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
1057 
1058 int mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc);
1059 
1060 /* scsih shared API */
1061 u8 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
1062     u32 reply);
1063 int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle,
1064 	uint channel, uint id, uint lun, u8 type, u16 smid_task,
1065 	ulong timeout, unsigned long serial_number, enum mutex_type m_type);
1066 void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
1067 void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
1068 void mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
1069 void mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
1070 		u64 sas_address);
1071 struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
1072     u16 handle);
1073 struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
1074     *ioc, u64 sas_address);
1075 struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address(
1076     struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
1077 
1078 void mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc);
1079 
1080 void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
1081 
1082 /* config shared API */
1083 u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1084     u32 reply);
1085 int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
1086 int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
1087     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1088 int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
1089     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
1090 int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1091     *mpi_reply, Mpi2BiosPage2_t *config_page);
1092 int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1093     *mpi_reply, Mpi2BiosPage3_t *config_page);
1094 int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1095     *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1096 int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1097     *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
1098 int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1099     *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
1100 int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1101     *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
1102 int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1103     *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1104 int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1105     *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1106 int mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc,
1107 	Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
1108 int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1109     *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
1110 int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
1111     Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
1112 int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1113     *mpi_reply, Mpi2IOCPage8_t *config_page);
1114 int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1115     *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
1116 int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1117     *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
1118 int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1119     *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
1120 int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1121     *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1122 int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1123     *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1124 int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1125     *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
1126 int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
1127 int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1128     *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
1129 int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1130     *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
1131     u32 form_specific);
1132 int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
1133     u16 *volume_handle);
1134 int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
1135     u64 *wwid);
1136 /* ctl shared API */
1137 extern struct device_attribute *mpt2sas_host_attrs[];
1138 extern struct device_attribute *mpt2sas_dev_attrs[];
1139 void mpt2sas_ctl_init(void);
1140 void mpt2sas_ctl_exit(void);
1141 u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1142     u32 reply);
1143 void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
1144 u8 mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
1145     u32 reply);
1146 void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
1147     Mpi2EventNotificationReply_t *mpi_reply);
1148 
1149 void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc,
1150 	u8 bits_to_regsiter);
1151 
1152 /* transport shared API */
1153 u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1154     u32 reply);
1155 struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
1156      u16 handle, u64 sas_address);
1157 void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
1158      u64 sas_address_parent);
1159 int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
1160     *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1161 int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
1162     *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
1163 void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
1164      u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1165 extern struct sas_function_template mpt2sas_transport_functions;
1166 extern struct scsi_transport_template *mpt2sas_transport_template;
1167 extern int scsi_internal_device_block(struct scsi_device *sdev);
1168 extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc,
1169     u8 msix_index, u32 reply);
1170 extern int scsi_internal_device_unblock(struct scsi_device *sdev,
1171 					enum scsi_device_state new_state);
1172 
1173 #endif /* MPT2SAS_BASE_H_INCLUDED */
1174