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 #include "mpi/mpi2_pci.h"
58 
59 #include <scsi/scsi.h>
60 #include <scsi/scsi_cmnd.h>
61 #include <scsi/scsi_device.h>
62 #include <scsi/scsi_host.h>
63 #include <scsi/scsi_tcq.h>
64 #include <scsi/scsi_transport_sas.h>
65 #include <scsi/scsi_dbg.h>
66 #include <scsi/scsi_eh.h>
67 #include <linux/pci.h>
68 #include <linux/poll.h>
69 
70 #include "mpt3sas_debug.h"
71 #include "mpt3sas_trigger_diag.h"
72 
73 /* driver versioning info */
74 #define MPT3SAS_DRIVER_NAME		"mpt3sas"
75 #define MPT3SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>"
76 #define MPT3SAS_DESCRIPTION	"LSI MPT Fusion SAS 3.0 Device Driver"
77 #define MPT3SAS_DRIVER_VERSION		"17.100.00.00"
78 #define MPT3SAS_MAJOR_VERSION		17
79 #define MPT3SAS_MINOR_VERSION		100
80 #define MPT3SAS_BUILD_VERSION		0
81 #define MPT3SAS_RELEASE_VERSION	00
82 
83 #define MPT2SAS_DRIVER_NAME		"mpt2sas"
84 #define MPT2SAS_DESCRIPTION	"LSI MPT Fusion SAS 2.0 Device Driver"
85 #define MPT2SAS_DRIVER_VERSION		"20.102.00.00"
86 #define MPT2SAS_MAJOR_VERSION		20
87 #define MPT2SAS_MINOR_VERSION		102
88 #define MPT2SAS_BUILD_VERSION		0
89 #define MPT2SAS_RELEASE_VERSION	00
90 
91 /*
92  * Set MPT3SAS_SG_DEPTH value based on user input.
93  */
94 #define MPT_MAX_PHYS_SEGMENTS	SG_CHUNK_SIZE
95 #define MPT_MIN_PHYS_SEGMENTS	16
96 #define MPT_KDUMP_MIN_PHYS_SEGMENTS	32
97 
98 #ifdef CONFIG_SCSI_MPT3SAS_MAX_SGE
99 #define MPT3SAS_SG_DEPTH		CONFIG_SCSI_MPT3SAS_MAX_SGE
100 #else
101 #define MPT3SAS_SG_DEPTH		MPT_MAX_PHYS_SEGMENTS
102 #endif
103 
104 #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
105 #define MPT2SAS_SG_DEPTH		CONFIG_SCSI_MPT2SAS_MAX_SGE
106 #else
107 #define MPT2SAS_SG_DEPTH		MPT_MAX_PHYS_SEGMENTS
108 #endif
109 
110 /*
111  * Generic Defines
112  */
113 #define MPT3SAS_SATA_QUEUE_DEPTH	32
114 #define MPT3SAS_SAS_QUEUE_DEPTH		254
115 #define MPT3SAS_RAID_QUEUE_DEPTH	128
116 #define MPT3SAS_KDUMP_SCSI_IO_DEPTH	200
117 
118 #define MPT3SAS_RAID_MAX_SECTORS	8192
119 #define MPT3SAS_HOST_PAGE_SIZE_4K	12
120 #define MPT3SAS_NVME_QUEUE_DEPTH	128
121 #define MPT_NAME_LENGTH			32	/* generic length of strings */
122 #define MPT_STRING_LENGTH		64
123 
124 #define MPT_MAX_CALLBACKS		32
125 
126 #define INTERNAL_CMDS_COUNT		10	/* reserved cmds */
127 /* reserved for issuing internally framed scsi io cmds */
128 #define INTERNAL_SCSIIO_CMDS_COUNT	3
129 
130 #define MPI3_HIM_MASK			0xFFFFFFFF /* mask every bit*/
131 
132 #define MPT3SAS_INVALID_DEVICE_HANDLE	0xFFFF
133 
134 #define MAX_CHAIN_ELEMT_SZ		16
135 #define DEFAULT_NUM_FWCHAIN_ELEMTS	8
136 
137 /*
138  * NVMe defines
139  */
140 #define	NVME_PRP_SIZE			8	/* PRP size */
141 #define	NVME_CMD_PRP1_OFFSET		24	/* PRP1 offset in NVMe cmd */
142 #define	NVME_CMD_PRP2_OFFSET		32	/* PRP2 offset in NVMe cmd */
143 #define	NVME_ERROR_RESPONSE_SIZE	16	/* Max NVME Error Response */
144 #define	NVME_PRP_PAGE_SIZE		4096	/* Page size */
145 
146 /*
147  * reset phases
148  */
149 #define MPT3_IOC_PRE_RESET		1 /* prior to host reset */
150 #define MPT3_IOC_AFTER_RESET		2 /* just after host reset */
151 #define MPT3_IOC_DONE_RESET		3 /* links re-initialized */
152 
153 /*
154  * logging format
155  */
156 #define MPT3SAS_FMT			"%s: "
157 
158 /*
159  *  WarpDrive Specific Log codes
160  */
161 
162 #define MPT2_WARPDRIVE_LOGENTRY		(0x8002)
163 #define MPT2_WARPDRIVE_LC_SSDT			(0x41)
164 #define MPT2_WARPDRIVE_LC_SSDLW		(0x43)
165 #define MPT2_WARPDRIVE_LC_SSDLF		(0x44)
166 #define MPT2_WARPDRIVE_LC_BRMF			(0x4D)
167 
168 /*
169  * per target private data
170  */
171 #define MPT_TARGET_FLAGS_RAID_COMPONENT	0x01
172 #define MPT_TARGET_FLAGS_VOLUME		0x02
173 #define MPT_TARGET_FLAGS_DELETED	0x04
174 #define MPT_TARGET_FASTPATH_IO		0x08
175 #define MPT_TARGET_FLAGS_PCIE_DEVICE	0x10
176 
177 #define SAS2_PCI_DEVICE_B0_REVISION	(0x01)
178 #define SAS3_PCI_DEVICE_C0_REVISION	(0x02)
179 
180 /*
181  * Intel HBA branding
182  */
183 #define MPT2SAS_INTEL_RMS25JB080_BRANDING    \
184 	"Intel(R) Integrated RAID Module RMS25JB080"
185 #define MPT2SAS_INTEL_RMS25JB040_BRANDING    \
186 	"Intel(R) Integrated RAID Module RMS25JB040"
187 #define MPT2SAS_INTEL_RMS25KB080_BRANDING    \
188 	"Intel(R) Integrated RAID Module RMS25KB080"
189 #define MPT2SAS_INTEL_RMS25KB040_BRANDING    \
190 	"Intel(R) Integrated RAID Module RMS25KB040"
191 #define MPT2SAS_INTEL_RMS25LB040_BRANDING	\
192 	"Intel(R) Integrated RAID Module RMS25LB040"
193 #define MPT2SAS_INTEL_RMS25LB080_BRANDING	\
194 	"Intel(R) Integrated RAID Module RMS25LB080"
195 #define MPT2SAS_INTEL_RMS2LL080_BRANDING	\
196 	"Intel Integrated RAID Module RMS2LL080"
197 #define MPT2SAS_INTEL_RMS2LL040_BRANDING	\
198 	"Intel Integrated RAID Module RMS2LL040"
199 #define MPT2SAS_INTEL_RS25GB008_BRANDING       \
200 	"Intel(R) RAID Controller RS25GB008"
201 #define MPT2SAS_INTEL_SSD910_BRANDING          \
202 	"Intel(R) SSD 910 Series"
203 
204 #define MPT3SAS_INTEL_RMS3JC080_BRANDING       \
205 	"Intel(R) Integrated RAID Module RMS3JC080"
206 #define MPT3SAS_INTEL_RS3GC008_BRANDING       \
207 	"Intel(R) RAID Controller RS3GC008"
208 #define MPT3SAS_INTEL_RS3FC044_BRANDING       \
209 	"Intel(R) RAID Controller RS3FC044"
210 #define MPT3SAS_INTEL_RS3UC080_BRANDING       \
211 	"Intel(R) RAID Controller RS3UC080"
212 
213 /*
214  * Intel HBA SSDIDs
215  */
216 #define MPT2SAS_INTEL_RMS25JB080_SSDID		0x3516
217 #define MPT2SAS_INTEL_RMS25JB040_SSDID		0x3517
218 #define MPT2SAS_INTEL_RMS25KB080_SSDID		0x3518
219 #define MPT2SAS_INTEL_RMS25KB040_SSDID		0x3519
220 #define MPT2SAS_INTEL_RMS25LB040_SSDID		0x351A
221 #define MPT2SAS_INTEL_RMS25LB080_SSDID		0x351B
222 #define MPT2SAS_INTEL_RMS2LL080_SSDID		0x350E
223 #define MPT2SAS_INTEL_RMS2LL040_SSDID		0x350F
224 #define MPT2SAS_INTEL_RS25GB008_SSDID		0x3000
225 #define MPT2SAS_INTEL_SSD910_SSDID		0x3700
226 
227 #define MPT3SAS_INTEL_RMS3JC080_SSDID		0x3521
228 #define MPT3SAS_INTEL_RS3GC008_SSDID		0x3522
229 #define MPT3SAS_INTEL_RS3FC044_SSDID		0x3523
230 #define MPT3SAS_INTEL_RS3UC080_SSDID		0x3524
231 
232 /*
233  * Dell HBA branding
234  */
235 #define MPT2SAS_DELL_BRANDING_SIZE                 32
236 
237 #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING        "Dell 6Gbps SAS HBA"
238 #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING    "Dell PERC H200 Adapter"
239 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
240 #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING    "Dell PERC H200 Modular"
241 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING   "Dell PERC H200 Embedded"
242 #define MPT2SAS_DELL_PERC_H200_BRANDING            "Dell PERC H200"
243 #define MPT2SAS_DELL_6GBPS_SAS_BRANDING            "Dell 6Gbps SAS"
244 
245 #define MPT3SAS_DELL_12G_HBA_BRANDING       \
246 	"Dell 12Gbps HBA"
247 
248 /*
249  * Dell HBA SSDIDs
250  */
251 #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID	0x1F1C
252 #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID	0x1F1D
253 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID	0x1F1E
254 #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID	0x1F1F
255 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID	0x1F20
256 #define MPT2SAS_DELL_PERC_H200_SSDID		0x1F21
257 #define MPT2SAS_DELL_6GBPS_SAS_SSDID		0x1F22
258 
259 #define MPT3SAS_DELL_12G_HBA_SSDID		0x1F46
260 
261 /*
262  * Cisco HBA branding
263  */
264 #define MPT3SAS_CISCO_12G_8E_HBA_BRANDING		\
265 	"Cisco 9300-8E 12G SAS HBA"
266 #define MPT3SAS_CISCO_12G_8I_HBA_BRANDING		\
267 	"Cisco 9300-8i 12G SAS HBA"
268 #define MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING	\
269 	"Cisco 12G Modular SAS Pass through Controller"
270 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING		\
271 	"UCS C3X60 12G SAS Pass through Controller"
272 /*
273  * Cisco HBA SSSDIDs
274  */
275 #define MPT3SAS_CISCO_12G_8E_HBA_SSDID  0x14C
276 #define MPT3SAS_CISCO_12G_8I_HBA_SSDID  0x154
277 #define MPT3SAS_CISCO_12G_AVILA_HBA_SSDID  0x155
278 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID  0x156
279 
280 /*
281  * status bits for ioc->diag_buffer_status
282  */
283 #define MPT3_DIAG_BUFFER_IS_REGISTERED	(0x01)
284 #define MPT3_DIAG_BUFFER_IS_RELEASED	(0x02)
285 #define MPT3_DIAG_BUFFER_IS_DIAG_RESET	(0x04)
286 
287 /*
288  * HP HBA branding
289  */
290 #define MPT2SAS_HP_3PAR_SSVID                0x1590
291 
292 #define MPT2SAS_HP_2_4_INTERNAL_BRANDING	\
293 	"HP H220 Host Bus Adapter"
294 #define MPT2SAS_HP_2_4_EXTERNAL_BRANDING	\
295 	"HP H221 Host Bus Adapter"
296 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING	\
297 	"HP H222 Host Bus Adapter"
298 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING	\
299 	"HP H220i Host Bus Adapter"
300 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING	\
301 	"HP H210i Host Bus Adapter"
302 
303 /*
304  * HO HBA SSDIDs
305  */
306 #define MPT2SAS_HP_2_4_INTERNAL_SSDID			0x0041
307 #define MPT2SAS_HP_2_4_EXTERNAL_SSDID			0x0042
308 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID	0x0043
309 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID		0x0044
310 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID		0x0046
311 
312 /*
313  * Combined Reply Queue constants,
314  * There are twelve Supplemental Reply Post Host Index Registers
315  * and each register is at offset 0x10 bytes from the previous one.
316  */
317 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3	12
318 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35	16
319 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET	(0x10)
320 
321 /* OEM Identifiers */
322 #define MFG10_OEM_ID_INVALID                   (0x00000000)
323 #define MFG10_OEM_ID_DELL                      (0x00000001)
324 #define MFG10_OEM_ID_FSC                       (0x00000002)
325 #define MFG10_OEM_ID_SUN                       (0x00000003)
326 #define MFG10_OEM_ID_IBM                       (0x00000004)
327 
328 /* GENERIC Flags 0*/
329 #define MFG10_GF0_OCE_DISABLED                 (0x00000001)
330 #define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
331 #define MFG10_GF0_R10_DISPLAY                  (0x00000004)
332 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
333 #define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
334 
335 #define VIRTUAL_IO_FAILED_RETRY			(0x32010081)
336 
337 /* OEM Specific Flags will come from OEM specific header files */
338 struct Mpi2ManufacturingPage10_t {
339 	MPI2_CONFIG_PAGE_HEADER	Header;		/* 00h */
340 	U8	OEMIdentifier;			/* 04h */
341 	U8	Reserved1;			/* 05h */
342 	U16	Reserved2;			/* 08h */
343 	U32	Reserved3;			/* 0Ch */
344 	U32	GenericFlags0;			/* 10h */
345 	U32	GenericFlags1;			/* 14h */
346 	U32	Reserved4;			/* 18h */
347 	U32	OEMSpecificFlags0;		/* 1Ch */
348 	U32	OEMSpecificFlags1;		/* 20h */
349 	U32	Reserved5[18];			/* 24h - 60h*/
350 };
351 
352 
353 /* Miscellaneous options */
354 struct Mpi2ManufacturingPage11_t {
355 	MPI2_CONFIG_PAGE_HEADER Header;		/* 00h */
356 	__le32	Reserved1;			/* 04h */
357 	u8	Reserved2;			/* 08h */
358 	u8	EEDPTagMode;			/* 09h */
359 	u8	Reserved3;			/* 0Ah */
360 	u8	Reserved4;			/* 0Bh */
361 	__le32	Reserved5[23];			/* 0Ch-60h*/
362 };
363 
364 /**
365  * struct MPT3SAS_TARGET - starget private hostdata
366  * @starget: starget object
367  * @sas_address: target sas address
368  * @raid_device: raid_device pointer to access volume data
369  * @handle: device handle
370  * @num_luns: number luns
371  * @flags: MPT_TARGET_FLAGS_XXX flags
372  * @deleted: target flaged for deletion
373  * @tm_busy: target is busy with TM request.
374  * @sas_dev: The sas_device associated with this target
375  * @pcie_dev: The pcie device associated with this target
376  */
377 struct MPT3SAS_TARGET {
378 	struct scsi_target *starget;
379 	u64	sas_address;
380 	struct _raid_device *raid_device;
381 	u16	handle;
382 	int	num_luns;
383 	u32	flags;
384 	u8	deleted;
385 	u8	tm_busy;
386 	struct _sas_device *sas_dev;
387 	struct _pcie_device *pcie_dev;
388 };
389 
390 
391 /*
392  * per device private data
393  */
394 #define MPT_DEVICE_FLAGS_INIT		0x01
395 
396 #define MFG_PAGE10_HIDE_SSDS_MASK	(0x00000003)
397 #define MFG_PAGE10_HIDE_ALL_DISKS	(0x00)
398 #define MFG_PAGE10_EXPOSE_ALL_DISKS	(0x01)
399 #define MFG_PAGE10_HIDE_IF_VOL_PRESENT	(0x02)
400 
401 /**
402  * struct MPT3SAS_DEVICE - sdev private hostdata
403  * @sas_target: starget private hostdata
404  * @lun: lun number
405  * @flags: MPT_DEVICE_XXX flags
406  * @configured_lun: lun is configured
407  * @block: device is in SDEV_BLOCK state
408  * @tlr_snoop_check: flag used in determining whether to disable TLR
409  * @eedp_enable: eedp support enable bit
410  * @eedp_type: 0(type_1), 1(type_2), 2(type_3)
411  * @eedp_block_length: block size
412  * @ata_command_pending: SATL passthrough outstanding for device
413  */
414 struct MPT3SAS_DEVICE {
415 	struct MPT3SAS_TARGET *sas_target;
416 	unsigned int	lun;
417 	u32	flags;
418 	u8	configured_lun;
419 	u8	block;
420 	u8	tlr_snoop_check;
421 	u8	ignore_delay_remove;
422 	/* Iopriority Command Handling */
423 	u8	ncq_prio_enable;
424 	/*
425 	 * Bug workaround for SATL handling: the mpt2/3sas firmware
426 	 * doesn't return BUSY or TASK_SET_FULL for subsequent
427 	 * commands while a SATL pass through is in operation as the
428 	 * spec requires, it simply does nothing with them until the
429 	 * pass through completes, causing them possibly to timeout if
430 	 * the passthrough is a long executing command (like format or
431 	 * secure erase).  This variable allows us to do the right
432 	 * thing while a SATL command is pending.
433 	 */
434 	unsigned long ata_command_pending;
435 
436 };
437 
438 #define MPT3_CMD_NOT_USED	0x8000	/* free */
439 #define MPT3_CMD_COMPLETE	0x0001	/* completed */
440 #define MPT3_CMD_PENDING	0x0002	/* pending */
441 #define MPT3_CMD_REPLY_VALID	0x0004	/* reply is valid */
442 #define MPT3_CMD_RESET		0x0008	/* host reset dropped the command */
443 
444 /**
445  * struct _internal_cmd - internal commands struct
446  * @mutex: mutex
447  * @done: completion
448  * @reply: reply message pointer
449  * @sense: sense data
450  * @status: MPT3_CMD_XXX status
451  * @smid: system message id
452  */
453 struct _internal_cmd {
454 	struct mutex mutex;
455 	struct completion done;
456 	void	*reply;
457 	void	*sense;
458 	u16	status;
459 	u16	smid;
460 };
461 
462 
463 
464 /**
465  * struct _sas_device - attached device information
466  * @list: sas device list
467  * @starget: starget object
468  * @sas_address: device sas address
469  * @device_name: retrieved from the SAS IDENTIFY frame.
470  * @handle: device handle
471  * @sas_address_parent: sas address of parent expander or sas host
472  * @enclosure_handle: enclosure handle
473  * @enclosure_logical_id: enclosure logical identifier
474  * @volume_handle: volume handle (valid when hidden raid member)
475  * @volume_wwid: volume unique identifier
476  * @device_info: bitfield provides detailed info about the device
477  * @id: target id
478  * @channel: target channel
479  * @slot: number number
480  * @phy: phy identifier provided in sas device page 0
481  * @responding: used in _scsih_sas_device_mark_responding
482  * @fast_path: fast path feature enable bit
483  * @pfa_led_on: flag for PFA LED status
484  * @pend_sas_rphy_add: flag to check if device is in sas_rphy_add()
485  *	addition routine.
486  * @chassis_slot: chassis slot
487  * @is_chassis_slot_valid: chassis slot valid or not
488  */
489 struct _sas_device {
490 	struct list_head list;
491 	struct scsi_target *starget;
492 	u64	sas_address;
493 	u64	device_name;
494 	u16	handle;
495 	u64	sas_address_parent;
496 	u16	enclosure_handle;
497 	u64	enclosure_logical_id;
498 	u16	volume_handle;
499 	u64	volume_wwid;
500 	u32	device_info;
501 	int	id;
502 	int	channel;
503 	u16	slot;
504 	u8	phy;
505 	u8	responding;
506 	u8	fast_path;
507 	u8	pfa_led_on;
508 	u8	pend_sas_rphy_add;
509 	u8	enclosure_level;
510 	u8	chassis_slot;
511 	u8	is_chassis_slot_valid;
512 	u8	connector_name[5];
513 	struct kref refcount;
514 };
515 
516 static inline void sas_device_get(struct _sas_device *s)
517 {
518 	kref_get(&s->refcount);
519 }
520 
521 static inline void sas_device_free(struct kref *r)
522 {
523 	kfree(container_of(r, struct _sas_device, refcount));
524 }
525 
526 static inline void sas_device_put(struct _sas_device *s)
527 {
528 	kref_put(&s->refcount, sas_device_free);
529 }
530 
531 /*
532  * struct _pcie_device - attached PCIe device information
533  * @list: pcie device list
534  * @starget: starget object
535  * @wwid: device WWID
536  * @handle: device handle
537  * @device_info: bitfield provides detailed info about the device
538  * @id: target id
539  * @channel: target channel
540  * @slot: slot number
541  * @port_num: port number
542  * @responding: used in _scsih_pcie_device_mark_responding
543  * @fast_path: fast path feature enable bit
544  * @nvme_mdts: MaximumDataTransferSize from PCIe Device Page 2 for
545  *		NVMe device only
546  * @enclosure_handle: enclosure handle
547  * @enclosure_logical_id: enclosure logical identifier
548  * @enclosure_level: The level of device's enclosure from the controller
549  * @connector_name: ASCII value of the Connector's name
550  * @serial_number: pointer of serial number string allocated runtime
551  * @refcount: reference count for deletion
552  */
553 struct _pcie_device {
554 	struct list_head list;
555 	struct scsi_target *starget;
556 	u64	wwid;
557 	u16	handle;
558 	u32	device_info;
559 	int	id;
560 	int	channel;
561 	u16	slot;
562 	u8	port_num;
563 	u8	responding;
564 	u8	fast_path;
565 	u32	nvme_mdts;
566 	u16	enclosure_handle;
567 	u64	enclosure_logical_id;
568 	u8	enclosure_level;
569 	u8	connector_name[4];
570 	u8	*serial_number;
571 	struct kref refcount;
572 };
573 /**
574  * pcie_device_get - Increment the pcie device reference count
575  *
576  * @p: pcie_device object
577  *
578  * When ever this function called it will increment the
579  * reference count of the pcie device for which this function called.
580  *
581  */
582 static inline void pcie_device_get(struct _pcie_device *p)
583 {
584 	kref_get(&p->refcount);
585 }
586 
587 /**
588  * pcie_device_free - Release the pcie device object
589  * @r - kref object
590  *
591  * Free's the pcie device object. It will be called when reference count
592  * reaches to zero.
593  */
594 static inline void pcie_device_free(struct kref *r)
595 {
596 	kfree(container_of(r, struct _pcie_device, refcount));
597 }
598 
599 /**
600  * pcie_device_put - Decrement the pcie device reference count
601  *
602  * @p: pcie_device object
603  *
604  * When ever this function called it will decrement the
605  * reference count of the pcie device for which this function called.
606  *
607  * When refernce count reaches to Zero, this will call pcie_device_free to the
608  * pcie_device object.
609  */
610 static inline void pcie_device_put(struct _pcie_device *p)
611 {
612 	kref_put(&p->refcount, pcie_device_free);
613 }
614 /**
615  * struct _raid_device - raid volume link list
616  * @list: sas device list
617  * @starget: starget object
618  * @sdev: scsi device struct (volumes are single lun)
619  * @wwid: unique identifier for the volume
620  * @handle: device handle
621  * @block_size: Block size of the volume
622  * @id: target id
623  * @channel: target channel
624  * @volume_type: the raid level
625  * @device_info: bitfield provides detailed info about the hidden components
626  * @num_pds: number of hidden raid components
627  * @responding: used in _scsih_raid_device_mark_responding
628  * @percent_complete: resync percent complete
629  * @direct_io_enabled: Whether direct io to PDs are allowed or not
630  * @stripe_exponent: X where 2powX is the stripe sz in blocks
631  * @block_exponent: X where 2powX is the block sz in bytes
632  * @max_lba: Maximum number of LBA in the volume
633  * @stripe_sz: Stripe Size of the volume
634  * @device_info: Device info of the volume member disk
635  * @pd_handle: Array of handles of the physical drives for direct I/O in le16
636  */
637 #define MPT_MAX_WARPDRIVE_PDS		8
638 struct _raid_device {
639 	struct list_head list;
640 	struct scsi_target *starget;
641 	struct scsi_device *sdev;
642 	u64	wwid;
643 	u16	handle;
644 	u16	block_sz;
645 	int	id;
646 	int	channel;
647 	u8	volume_type;
648 	u8	num_pds;
649 	u8	responding;
650 	u8	percent_complete;
651 	u8	direct_io_enabled;
652 	u8	stripe_exponent;
653 	u8	block_exponent;
654 	u64	max_lba;
655 	u32	stripe_sz;
656 	u32	device_info;
657 	u16	pd_handle[MPT_MAX_WARPDRIVE_PDS];
658 };
659 
660 /**
661  * struct _boot_device - boot device info
662  *
663  * @channel: sas, raid, or pcie channel
664  * @device: holds pointer for struct _sas_device, struct _raid_device or
665  *     struct _pcie_device
666  */
667 struct _boot_device {
668 	int channel;
669 	void *device;
670 };
671 
672 /**
673  * struct _sas_port - wide/narrow sas port information
674  * @port_list: list of ports belonging to expander
675  * @num_phys: number of phys belonging to this port
676  * @remote_identify: attached device identification
677  * @rphy: sas transport rphy object
678  * @port: sas transport wide/narrow port object
679  * @phy_list: _sas_phy list objects belonging to this port
680  */
681 struct _sas_port {
682 	struct list_head port_list;
683 	u8	num_phys;
684 	struct sas_identify remote_identify;
685 	struct sas_rphy *rphy;
686 	struct sas_port *port;
687 	struct list_head phy_list;
688 };
689 
690 /**
691  * struct _sas_phy - phy information
692  * @port_siblings: list of phys belonging to a port
693  * @identify: phy identification
694  * @remote_identify: attached device identification
695  * @phy: sas transport phy object
696  * @phy_id: unique phy id
697  * @handle: device handle for this phy
698  * @attached_handle: device handle for attached device
699  * @phy_belongs_to_port: port has been created for this phy
700  */
701 struct _sas_phy {
702 	struct list_head port_siblings;
703 	struct sas_identify identify;
704 	struct sas_identify remote_identify;
705 	struct sas_phy *phy;
706 	u8	phy_id;
707 	u16	handle;
708 	u16	attached_handle;
709 	u8	phy_belongs_to_port;
710 };
711 
712 /**
713  * struct _sas_node - sas_host/expander information
714  * @list: list of expanders
715  * @parent_dev: parent device class
716  * @num_phys: number phys belonging to this sas_host/expander
717  * @sas_address: sas address of this sas_host/expander
718  * @handle: handle for this sas_host/expander
719  * @sas_address_parent: sas address of parent expander or sas host
720  * @enclosure_handle: handle for this a member of an enclosure
721  * @device_info: bitwise defining capabilities of this sas_host/expander
722  * @responding: used in _scsih_expander_device_mark_responding
723  * @phy: a list of phys that make up this sas_host/expander
724  * @sas_port_list: list of ports attached to this sas_host/expander
725  */
726 struct _sas_node {
727 	struct list_head list;
728 	struct device *parent_dev;
729 	u8	num_phys;
730 	u64	sas_address;
731 	u16	handle;
732 	u64	sas_address_parent;
733 	u16	enclosure_handle;
734 	u64	enclosure_logical_id;
735 	u8	responding;
736 	struct	_sas_phy *phy;
737 	struct list_head sas_port_list;
738 };
739 
740 /**
741  * enum reset_type - reset state
742  * @FORCE_BIG_HAMMER: issue diagnostic reset
743  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
744  */
745 enum reset_type {
746 	FORCE_BIG_HAMMER,
747 	SOFT_RESET,
748 };
749 
750 /**
751  * struct pcie_sg_list - PCIe SGL buffer (contiguous per I/O)
752  * @pcie_sgl: PCIe native SGL for NVMe devices
753  * @pcie_sgl_dma: physical address
754  */
755 struct pcie_sg_list {
756 	void            *pcie_sgl;
757 	dma_addr_t      pcie_sgl_dma;
758 };
759 
760 /**
761  * struct chain_tracker - firmware chain tracker
762  * @chain_buffer: chain buffer
763  * @chain_buffer_dma: physical address
764  * @tracker_list: list of free request (ioc->free_chain_list)
765  */
766 struct chain_tracker {
767 	void *chain_buffer;
768 	dma_addr_t chain_buffer_dma;
769 	struct list_head tracker_list;
770 };
771 
772 /**
773  * struct scsiio_tracker - scsi mf request tracker
774  * @smid: system message id
775  * @cb_idx: callback index
776  * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
777  * @chain_list: list of associated firmware chain tracker
778  * @msix_io: IO's msix
779  */
780 struct scsiio_tracker {
781 	u16	smid;
782 	u8	cb_idx;
783 	u8	direct_io;
784 	struct pcie_sg_list pcie_sg_list;
785 	struct list_head chain_list;
786 	u16     msix_io;
787 };
788 
789 /**
790  * struct request_tracker - firmware request tracker
791  * @smid: system message id
792  * @cb_idx: callback index
793  * @tracker_list: list of free request (ioc->free_list)
794  */
795 struct request_tracker {
796 	u16	smid;
797 	u8	cb_idx;
798 	struct list_head tracker_list;
799 };
800 
801 /**
802  * struct _tr_list - target reset list
803  * @handle: device handle
804  * @state: state machine
805  */
806 struct _tr_list {
807 	struct list_head list;
808 	u16	handle;
809 	u16	state;
810 };
811 
812 /**
813  * struct _sc_list - delayed SAS_IO_UNIT_CONTROL message list
814  * @handle: device handle
815  */
816 struct _sc_list {
817 	struct list_head list;
818 	u16     handle;
819 };
820 
821 /**
822  * struct _event_ack_list - delayed event acknowledgment list
823  * @Event: Event ID
824  * @EventContext: used to track the event uniquely
825  */
826 struct _event_ack_list {
827 	struct list_head list;
828 	u16     Event;
829 	u32     EventContext;
830 };
831 
832 /**
833  * struct adapter_reply_queue - the reply queue struct
834  * @ioc: per adapter object
835  * @msix_index: msix index into vector table
836  * @vector: irq vector
837  * @reply_post_host_index: head index in the pool where FW completes IO
838  * @reply_post_free: reply post base virt address
839  * @name: the name registered to request_irq()
840  * @busy: isr is actively processing replies on another cpu
841  * @list: this list
842 */
843 struct adapter_reply_queue {
844 	struct MPT3SAS_ADAPTER	*ioc;
845 	u8			msix_index;
846 	u32			reply_post_host_index;
847 	Mpi2ReplyDescriptorsUnion_t *reply_post_free;
848 	char			name[MPT_NAME_LENGTH];
849 	atomic_t		busy;
850 	struct list_head	list;
851 };
852 
853 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
854 
855 /* SAS3.0 support */
856 typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
857 	struct scsi_cmnd *scmd, u16 smid, struct _pcie_device *pcie_device);
858 typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
859 		dma_addr_t data_out_dma, size_t data_out_sz,
860 		dma_addr_t data_in_dma, size_t data_in_sz);
861 typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
862 		void *paddr);
863 
864 /* SAS3.5 support */
865 typedef void (*NVME_BUILD_PRP)(struct MPT3SAS_ADAPTER *ioc, u16 smid,
866 	Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request,
867 	dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
868 	size_t data_in_sz);
869 
870 /* To support atomic and non atomic descriptors*/
871 typedef void (*PUT_SMID_IO_FP_HIP) (struct MPT3SAS_ADAPTER *ioc, u16 smid,
872 	u16 funcdep);
873 typedef void (*PUT_SMID_DEFAULT) (struct MPT3SAS_ADAPTER *ioc, u16 smid);
874 
875 /* IOC Facts and Port Facts converted from little endian to cpu */
876 union mpi3_version_union {
877 	MPI2_VERSION_STRUCT		Struct;
878 	u32				Word;
879 };
880 
881 struct mpt3sas_facts {
882 	u16			MsgVersion;
883 	u16			HeaderVersion;
884 	u8			IOCNumber;
885 	u8			VP_ID;
886 	u8			VF_ID;
887 	u16			IOCExceptions;
888 	u16			IOCStatus;
889 	u32			IOCLogInfo;
890 	u8			MaxChainDepth;
891 	u8			WhoInit;
892 	u8			NumberOfPorts;
893 	u8			MaxMSIxVectors;
894 	u16			RequestCredit;
895 	u16			ProductID;
896 	u32			IOCCapabilities;
897 	union mpi3_version_union	FWVersion;
898 	u16			IOCRequestFrameSize;
899 	u16			IOCMaxChainSegmentSize;
900 	u16			MaxInitiators;
901 	u16			MaxTargets;
902 	u16			MaxSasExpanders;
903 	u16			MaxEnclosures;
904 	u16			ProtocolFlags;
905 	u16			HighPriorityCredit;
906 	u16			MaxReplyDescriptorPostQueueDepth;
907 	u8			ReplyFrameSize;
908 	u8			MaxVolumes;
909 	u16			MaxDevHandle;
910 	u16			MaxPersistentEntries;
911 	u16			MinDevHandle;
912 	u8			CurrentHostPageSize;
913 };
914 
915 struct mpt3sas_port_facts {
916 	u8			PortNumber;
917 	u8			VP_ID;
918 	u8			VF_ID;
919 	u8			PortType;
920 	u16			MaxPostedCmdBuffers;
921 };
922 
923 struct reply_post_struct {
924 	Mpi2ReplyDescriptorsUnion_t	*reply_post_free;
925 	dma_addr_t			reply_post_free_dma;
926 };
927 
928 typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
929 /**
930  * struct MPT3SAS_ADAPTER - per adapter struct
931  * @list: ioc_list
932  * @shost: shost object
933  * @id: unique adapter id
934  * @cpu_count: number online cpus
935  * @name: generic ioc string
936  * @tmp_string: tmp string used for logging
937  * @pdev: pci pdev object
938  * @pio_chip: physical io register space
939  * @chip: memory mapped register space
940  * @chip_phys: physical addrss prior to mapping
941  * @logging_level: see mpt3sas_debug.h
942  * @fwfault_debug: debuging FW timeouts
943  * @ir_firmware: IR firmware present
944  * @bars: bitmask of BAR's that must be configured
945  * @mask_interrupts: ignore interrupt
946  * @dma_mask: used to set the consistent dma mask
947  * @pci_access_mutex: Mutex to synchronize ioctl, sysfs show path and
948  *			pci resource handling
949  * @fault_reset_work_q_name: fw fault work queue
950  * @fault_reset_work_q: ""
951  * @fault_reset_work: ""
952  * @firmware_event_name: fw event work queue
953  * @firmware_event_thread: ""
954  * @fw_event_lock:
955  * @fw_event_list: list of fw events
956  * @aen_event_read_flag: event log was read
957  * @broadcast_aen_busy: broadcast aen waiting to be serviced
958  * @shost_recovery: host reset in progress
959  * @ioc_reset_in_progress_lock:
960  * @ioc_link_reset_in_progress: phy/hard reset in progress
961  * @ignore_loginfos: ignore loginfos during task management
962  * @remove_host: flag for when driver unloads, to avoid sending dev resets
963  * @pci_error_recovery: flag to prevent ioc access until slot reset completes
964  * @wait_for_discovery_to_complete: flag set at driver load time when
965  *                                               waiting on reporting devices
966  * @is_driver_loading: flag set at driver load time
967  * @port_enable_failed: flag set when port enable has failed
968  * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
969  * @start_scan_failed: means port enable failed, return's the ioc_status
970  * @msix_enable: flag indicating msix is enabled
971  * @msix_vector_count: number msix vectors
972  * @cpu_msix_table: table for mapping cpus to msix index
973  * @cpu_msix_table_sz: table size
974  * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
975  * @scsi_io_cb_idx: shost generated commands
976  * @tm_cb_idx: task management commands
977  * @scsih_cb_idx: scsih internal commands
978  * @transport_cb_idx: transport internal commands
979  * @ctl_cb_idx: clt internal commands
980  * @base_cb_idx: base internal commands
981  * @config_cb_idx: base internal commands
982  * @tm_tr_cb_idx : device removal target reset handshake
983  * @tm_tr_volume_cb_idx : volume removal target reset
984  * @base_cmds:
985  * @transport_cmds:
986  * @scsih_cmds:
987  * @tm_cmds:
988  * @ctl_cmds:
989  * @config_cmds:
990  * @base_add_sg_single: handler for either 32/64 bit sgl's
991  * @event_type: bits indicating which events to log
992  * @event_context: unique id for each logged event
993  * @event_log: event log pointer
994  * @event_masks: events that are masked
995  * @facts: static facts data
996  * @pfacts: static port facts data
997  * @manu_pg0: static manufacturing page 0
998  * @manu_pg10: static manufacturing page 10
999  * @manu_pg11: static manufacturing page 11
1000  * @bios_pg2: static bios page 2
1001  * @bios_pg3: static bios page 3
1002  * @ioc_pg8: static ioc page 8
1003  * @iounit_pg0: static iounit page 0
1004  * @iounit_pg1: static iounit page 1
1005  * @iounit_pg8: static iounit page 8
1006  * @sas_hba: sas host object
1007  * @sas_expander_list: expander object list
1008  * @sas_node_lock:
1009  * @sas_device_list: sas device object list
1010  * @sas_device_init_list: sas device object list (used only at init time)
1011  * @sas_device_lock:
1012  * @pcie_device_list: pcie device object list
1013  * @pcie_device_init_list: pcie device object list (used only at init time)
1014  * @pcie_device_lock:
1015  * @io_missing_delay: time for IO completed by fw when PDR enabled
1016  * @device_missing_delay: time for device missing by fw when PDR enabled
1017  * @sas_id : used for setting volume target IDs
1018  * @pcie_target_id: used for setting pcie target IDs
1019  * @blocking_handles: bitmask used to identify which devices need blocking
1020  * @pd_handles : bitmask for PD handles
1021  * @pd_handles_sz : size of pd_handle bitmask
1022  * @config_page_sz: config page size
1023  * @config_page: reserve memory for config page payload
1024  * @config_page_dma:
1025  * @hba_queue_depth: hba request queue depth
1026  * @sge_size: sg element size for either 32/64 bit
1027  * @scsiio_depth: SCSI_IO queue depth
1028  * @request_sz: per request frame size
1029  * @request: pool of request frames
1030  * @request_dma:
1031  * @request_dma_sz:
1032  * @scsi_lookup: firmware request tracker list
1033  * @scsi_lookup_lock:
1034  * @free_list: free list of request
1035  * @pending_io_count:
1036  * @reset_wq:
1037  * @chain: pool of chains
1038  * @chain_dma:
1039  * @max_sges_in_main_message: number sg elements in main message
1040  * @max_sges_in_chain_message: number sg elements per chain
1041  * @chains_needed_per_io: max chains per io
1042  * @chain_depth: total chains allocated
1043  * @chain_segment_sz: gives the max number of
1044  *			SGEs accommodate on single chain buffer
1045  * @hi_priority_smid:
1046  * @hi_priority:
1047  * @hi_priority_dma:
1048  * @hi_priority_depth:
1049  * @hpr_lookup:
1050  * @hpr_free_list:
1051  * @internal_smid:
1052  * @internal:
1053  * @internal_dma:
1054  * @internal_depth:
1055  * @internal_lookup:
1056  * @internal_free_list:
1057  * @sense: pool of sense
1058  * @sense_dma:
1059  * @sense_dma_pool:
1060  * @reply_depth: hba reply queue depth:
1061  * @reply_sz: per reply frame size:
1062  * @reply: pool of replys:
1063  * @reply_dma:
1064  * @reply_dma_pool:
1065  * @reply_free_queue_depth: reply free depth
1066  * @reply_free: pool for reply free queue (32 bit addr)
1067  * @reply_free_dma:
1068  * @reply_free_dma_pool:
1069  * @reply_free_host_index: tail index in pool to insert free replys
1070  * @reply_post_queue_depth: reply post queue depth
1071  * @reply_post_struct: struct for reply_post_free physical & virt address
1072  * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
1073  * @rdpq_array_enable: rdpq_array support is enabled in the driver
1074  * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
1075  *				is assigned only ones
1076  * @reply_queue_count: number of reply queue's
1077  * @reply_queue_list: link list contaning the reply queue info
1078  * @msix96_vector: 96 MSI-X vector support
1079  * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue
1080  * @delayed_tr_list: target reset link list
1081  * @delayed_tr_volume_list: volume target reset link list
1082  * @delayed_sc_list:
1083  * @delayed_event_ack_list:
1084  * @temp_sensors_count: flag to carry the number of temperature sensors
1085  * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
1086  *	pci resource handling. PCI resource freeing will lead to free
1087  *	vital hardware/memory resource, which might be in use by cli/sysfs
1088  *	path functions resulting in Null pointer reference followed by kernel
1089  *	crash. To avoid the above race condition we use mutex syncrhonization
1090  *	which ensures the syncrhonization between cli/sysfs_show path.
1091  */
1092 struct MPT3SAS_ADAPTER {
1093 	struct list_head list;
1094 	struct Scsi_Host *shost;
1095 	u8		id;
1096 	int		cpu_count;
1097 	char		name[MPT_NAME_LENGTH];
1098 	char		driver_name[MPT_NAME_LENGTH - 8];
1099 	char		tmp_string[MPT_STRING_LENGTH];
1100 	struct pci_dev	*pdev;
1101 	Mpi2SystemInterfaceRegs_t __iomem *chip;
1102 	resource_size_t	chip_phys;
1103 	int		logging_level;
1104 	int		fwfault_debug;
1105 	u8		ir_firmware;
1106 	int		bars;
1107 	u8		mask_interrupts;
1108 	int		dma_mask;
1109 
1110 	/* fw fault handler */
1111 	char		fault_reset_work_q_name[20];
1112 	struct workqueue_struct *fault_reset_work_q;
1113 	struct delayed_work fault_reset_work;
1114 
1115 	/* fw event handler */
1116 	char		firmware_event_name[20];
1117 	struct workqueue_struct	*firmware_event_thread;
1118 	spinlock_t	fw_event_lock;
1119 	struct list_head fw_event_list;
1120 
1121 	 /* misc flags */
1122 	int		aen_event_read_flag;
1123 	u8		broadcast_aen_busy;
1124 	u16		broadcast_aen_pending;
1125 	u8		shost_recovery;
1126 	u8		got_task_abort_from_ioctl;
1127 
1128 	struct mutex	reset_in_progress_mutex;
1129 	spinlock_t	ioc_reset_in_progress_lock;
1130 	u8		ioc_link_reset_in_progress;
1131 	u8		ioc_reset_in_progress_status;
1132 
1133 	u8		ignore_loginfos;
1134 	u8		remove_host;
1135 	u8		pci_error_recovery;
1136 	u8		wait_for_discovery_to_complete;
1137 	u8		is_driver_loading;
1138 	u8		port_enable_failed;
1139 	u8		start_scan;
1140 	u16		start_scan_failed;
1141 
1142 	u8		msix_enable;
1143 	u16		msix_vector_count;
1144 	u8		*cpu_msix_table;
1145 	u16		cpu_msix_table_sz;
1146 	resource_size_t __iomem **reply_post_host_index;
1147 	u32		ioc_reset_count;
1148 	MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
1149 	u32             non_operational_loop;
1150 
1151 	/* internal commands, callback index */
1152 	u8		scsi_io_cb_idx;
1153 	u8		tm_cb_idx;
1154 	u8		transport_cb_idx;
1155 	u8		scsih_cb_idx;
1156 	u8		ctl_cb_idx;
1157 	u8		base_cb_idx;
1158 	u8		port_enable_cb_idx;
1159 	u8		config_cb_idx;
1160 	u8		tm_tr_cb_idx;
1161 	u8		tm_tr_volume_cb_idx;
1162 	u8		tm_sas_control_cb_idx;
1163 	struct _internal_cmd base_cmds;
1164 	struct _internal_cmd port_enable_cmds;
1165 	struct _internal_cmd transport_cmds;
1166 	struct _internal_cmd scsih_cmds;
1167 	struct _internal_cmd tm_cmds;
1168 	struct _internal_cmd ctl_cmds;
1169 	struct _internal_cmd config_cmds;
1170 
1171 	MPT_ADD_SGE	base_add_sg_single;
1172 
1173 	/* function ptr for either IEEE or MPI sg elements */
1174 	MPT_BUILD_SG_SCMD build_sg_scmd;
1175 	MPT_BUILD_SG    build_sg;
1176 	MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
1177 	u16             sge_size_ieee;
1178 	u16		hba_mpi_version_belonged;
1179 
1180 	/* function ptr for MPI sg elements only */
1181 	MPT_BUILD_SG    build_sg_mpi;
1182 	MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
1183 
1184 	/* function ptr for NVMe PRP elements only */
1185 	NVME_BUILD_PRP  build_nvme_prp;
1186 
1187 	/* event log */
1188 	u32		event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1189 	u32		event_context;
1190 	void		*event_log;
1191 	u32		event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1192 
1193 	/* static config pages */
1194 	struct mpt3sas_facts facts;
1195 	struct mpt3sas_port_facts *pfacts;
1196 	Mpi2ManufacturingPage0_t manu_pg0;
1197 	struct Mpi2ManufacturingPage10_t manu_pg10;
1198 	struct Mpi2ManufacturingPage11_t manu_pg11;
1199 	Mpi2BiosPage2_t	bios_pg2;
1200 	Mpi2BiosPage3_t	bios_pg3;
1201 	Mpi2IOCPage8_t ioc_pg8;
1202 	Mpi2IOUnitPage0_t iounit_pg0;
1203 	Mpi2IOUnitPage1_t iounit_pg1;
1204 	Mpi2IOUnitPage8_t iounit_pg8;
1205 
1206 	struct _boot_device req_boot_device;
1207 	struct _boot_device req_alt_boot_device;
1208 	struct _boot_device current_boot_device;
1209 
1210 	/* sas hba, expander, and device list */
1211 	struct _sas_node sas_hba;
1212 	struct list_head sas_expander_list;
1213 	spinlock_t	sas_node_lock;
1214 	struct list_head sas_device_list;
1215 	struct list_head sas_device_init_list;
1216 	spinlock_t	sas_device_lock;
1217 	struct list_head pcie_device_list;
1218 	struct list_head pcie_device_init_list;
1219 	spinlock_t      pcie_device_lock;
1220 
1221 	struct list_head raid_device_list;
1222 	spinlock_t	raid_device_lock;
1223 	u8		io_missing_delay;
1224 	u16		device_missing_delay;
1225 	int		sas_id;
1226 	int		pcie_target_id;
1227 
1228 	void		*blocking_handles;
1229 	void		*pd_handles;
1230 	u16		pd_handles_sz;
1231 
1232 	void		*pend_os_device_add;
1233 	u16		pend_os_device_add_sz;
1234 
1235 	/* config page */
1236 	u16		config_page_sz;
1237 	void		*config_page;
1238 	dma_addr_t	config_page_dma;
1239 
1240 	/* scsiio request */
1241 	u16		hba_queue_depth;
1242 	u16		sge_size;
1243 	u16		scsiio_depth;
1244 	u16		request_sz;
1245 	u8		*request;
1246 	dma_addr_t	request_dma;
1247 	u32		request_dma_sz;
1248 	struct pcie_sg_list *pcie_sg_lookup;
1249 	spinlock_t	scsi_lookup_lock;
1250 	int		pending_io_count;
1251 	wait_queue_head_t reset_wq;
1252 
1253 	/* PCIe SGL */
1254 	struct dma_pool *pcie_sgl_dma_pool;
1255 	/* Host Page Size */
1256 	u32		page_size;
1257 
1258 	/* chain */
1259 	struct chain_tracker *chain_lookup;
1260 	struct list_head free_chain_list;
1261 	struct dma_pool *chain_dma_pool;
1262 	ulong		chain_pages;
1263 	u16		max_sges_in_main_message;
1264 	u16		max_sges_in_chain_message;
1265 	u16		chains_needed_per_io;
1266 	u32		chain_depth;
1267 	u16		chain_segment_sz;
1268 	u16		chains_per_prp_buffer;
1269 
1270 	/* hi-priority queue */
1271 	u16		hi_priority_smid;
1272 	u8		*hi_priority;
1273 	dma_addr_t	hi_priority_dma;
1274 	u16		hi_priority_depth;
1275 	struct request_tracker *hpr_lookup;
1276 	struct list_head hpr_free_list;
1277 
1278 	/* internal queue */
1279 	u16		internal_smid;
1280 	u8		*internal;
1281 	dma_addr_t	internal_dma;
1282 	u16		internal_depth;
1283 	struct request_tracker *internal_lookup;
1284 	struct list_head internal_free_list;
1285 
1286 	/* sense */
1287 	u8		*sense;
1288 	dma_addr_t	sense_dma;
1289 	struct dma_pool *sense_dma_pool;
1290 
1291 	/* reply */
1292 	u16		reply_sz;
1293 	u8		*reply;
1294 	dma_addr_t	reply_dma;
1295 	u32		reply_dma_max_address;
1296 	u32		reply_dma_min_address;
1297 	struct dma_pool *reply_dma_pool;
1298 
1299 	/* reply free queue */
1300 	u16		reply_free_queue_depth;
1301 	__le32		*reply_free;
1302 	dma_addr_t	reply_free_dma;
1303 	struct dma_pool *reply_free_dma_pool;
1304 	u32		reply_free_host_index;
1305 
1306 	/* reply post queue */
1307 	u16		reply_post_queue_depth;
1308 	struct reply_post_struct *reply_post;
1309 	u8		rdpq_array_capable;
1310 	u8		rdpq_array_enable;
1311 	u8		rdpq_array_enable_assigned;
1312 	struct dma_pool *reply_post_free_dma_pool;
1313 	u8		reply_queue_count;
1314 	struct list_head reply_queue_list;
1315 
1316 	u8		combined_reply_queue;
1317 	u8		combined_reply_index_count;
1318 	/* reply post register index */
1319 	resource_size_t	**replyPostRegisterIndex;
1320 
1321 	struct list_head delayed_tr_list;
1322 	struct list_head delayed_tr_volume_list;
1323 	struct list_head delayed_sc_list;
1324 	struct list_head delayed_event_ack_list;
1325 	u8		temp_sensors_count;
1326 	struct mutex pci_access_mutex;
1327 
1328 	/* diag buffer support */
1329 	u8		*diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1330 	u32		diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1331 	dma_addr_t	diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1332 	u8		diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1333 	u32		unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1334 	u32		product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1335 	u32		diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1336 	u32		ring_buffer_offset;
1337 	u32		ring_buffer_sz;
1338 	u8		is_warpdrive;
1339 	u8		hide_ir_msg;
1340 	u8		mfg_pg10_hide_flag;
1341 	u8		hide_drives;
1342 	spinlock_t	diag_trigger_lock;
1343 	u8		diag_trigger_active;
1344 	struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
1345 	struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
1346 	struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
1347 	struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
1348 	void		*device_remove_in_progress;
1349 	u16		device_remove_in_progress_sz;
1350 	u8		is_gen35_ioc;
1351 	u8		atomic_desc_capable;
1352 	PUT_SMID_IO_FP_HIP put_smid_scsi_io;
1353 	PUT_SMID_IO_FP_HIP put_smid_fast_path;
1354 	PUT_SMID_IO_FP_HIP put_smid_hi_priority;
1355 	PUT_SMID_DEFAULT put_smid_default;
1356 	PUT_SMID_DEFAULT put_smid_nvme_encap;
1357 
1358 };
1359 
1360 typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1361 	u32 reply);
1362 
1363 
1364 /* base shared API */
1365 extern struct list_head mpt3sas_ioc_list;
1366 extern char    driver_name[MPT_NAME_LENGTH];
1367 /* spinlock on list operations over IOCs
1368  * Case: when multiple warpdrive cards(IOCs) are in use
1369  * Each IOC will added to the ioc list structure on initialization.
1370  * Watchdog threads run at regular intervals to check IOC for any
1371  * fault conditions which will trigger the dead_ioc thread to
1372  * deallocate pci resource, resulting deleting the IOC netry from list,
1373  * this deletion need to protected by spinlock to enusre that
1374  * ioc removal is syncrhonized, if not synchronized it might lead to
1375  * list_del corruption as the ioc list is traversed in cli path.
1376  */
1377 extern spinlock_t gioc_lock;
1378 
1379 void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
1380 void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
1381 
1382 int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
1383 void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
1384 int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
1385 void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
1386 int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
1387 	enum reset_type type);
1388 
1389 void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1390 void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1391 __le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
1392 	u16 smid);
1393 void *mpt3sas_base_get_pcie_sgl(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1394 dma_addr_t mpt3sas_base_get_pcie_sgl_dma(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1395 void mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc);
1396 
1397 /* hi-priority queue */
1398 u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1399 u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
1400 		struct scsi_cmnd *scmd);
1401 void mpt3sas_base_clear_st(struct MPT3SAS_ADAPTER *ioc,
1402 		struct scsiio_tracker *st);
1403 
1404 u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1405 void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1406 void mpt3sas_base_initialize_callback_handler(void);
1407 u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1408 void mpt3sas_base_release_callback_handler(u8 cb_idx);
1409 
1410 u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1411 	u32 reply);
1412 u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1413 	u8 msix_index, u32 reply);
1414 void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
1415 	u32 phys_addr);
1416 
1417 u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
1418 
1419 void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
1420 int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
1421 	Mpi2SasIoUnitControlReply_t *mpi_reply,
1422 	Mpi2SasIoUnitControlRequest_t *mpi_request);
1423 int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
1424 	Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1425 
1426 void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
1427 	u32 *event_type);
1428 
1429 void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
1430 
1431 void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
1432 	u16 device_missing_delay, u8 io_missing_delay);
1433 
1434 int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
1435 
1436 
1437 /* scsih shared API */
1438 struct scsi_cmnd *mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc,
1439 	u16 smid);
1440 u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
1441 	u32 reply);
1442 void mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1443 
1444 int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1445 	u64 lun, u8 type, u16 smid_task, u16 msix_task, ulong timeout);
1446 int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1447 	u64 lun, u8 type, u16 smid_task, u16 msix_task, ulong timeout);
1448 
1449 void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1450 void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1451 void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1452 void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1453 	u64 sas_address);
1454 u8 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc,
1455 	u16 smid);
1456 
1457 struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1458 	struct MPT3SAS_ADAPTER *ioc, u16 handle);
1459 struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1460 	struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1461 struct _sas_device *mpt3sas_get_sdev_by_addr(
1462 	 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1463 struct _sas_device *__mpt3sas_get_sdev_by_addr(
1464 	 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1465 struct _sas_device *mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1466 	u16 handle);
1467 struct _pcie_device *mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1468 	u16 handle);
1469 
1470 void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
1471 struct _raid_device *
1472 mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1473 
1474 /* config shared API */
1475 u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1476 	u32 reply);
1477 int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1478 	u8 *num_phys);
1479 int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1480 	Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1481 int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1482 	Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1483 	u16 sz);
1484 int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1485 	Mpi2ConfigReply_t *mpi_reply,
1486 	struct Mpi2ManufacturingPage10_t *config_page);
1487 
1488 int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1489 	Mpi2ConfigReply_t *mpi_reply,
1490 	struct Mpi2ManufacturingPage11_t  *config_page);
1491 int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1492 	Mpi2ConfigReply_t *mpi_reply,
1493 	struct Mpi2ManufacturingPage11_t *config_page);
1494 
1495 int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1496 	*mpi_reply, Mpi2BiosPage2_t *config_page);
1497 int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1498 	*mpi_reply, Mpi2BiosPage3_t *config_page);
1499 int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1500 	*mpi_reply, Mpi2IOUnitPage0_t *config_page);
1501 int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1502 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1503 	u32 form, u32 handle);
1504 int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1505 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1506 	u32 form, u32 handle);
1507 int mpt3sas_config_get_pcie_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1508 	Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage0_t *config_page,
1509 	u32 form, u32 handle);
1510 int mpt3sas_config_get_pcie_device_pg2(struct MPT3SAS_ADAPTER *ioc,
1511 	Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage2_t *config_page,
1512 	u32 form, u32 handle);
1513 int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1514 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1515 	u16 sz);
1516 int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1517 	*mpi_reply, Mpi2IOUnitPage1_t *config_page);
1518 int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc,
1519 	Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
1520 int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1521 	*mpi_reply, Mpi2IOUnitPage1_t *config_page);
1522 int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1523 	*mpi_reply, Mpi2IOUnitPage8_t *config_page);
1524 int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1525 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1526 	u16 sz);
1527 int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1528 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1529 	u16 sz);
1530 int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1531 	*mpi_reply, Mpi2IOCPage8_t *config_page);
1532 int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1533 	Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1534 	u32 form, u32 handle);
1535 int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1536 	Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1537 	u32 phy_number, u16 handle);
1538 int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1539 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1540 	u32 form, u32 handle);
1541 int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1542 	*mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1543 int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1544 	*mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1545 int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1546 	Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1547 	u32 handle);
1548 int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1549 	u8 *num_pds);
1550 int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1551 	Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1552 	u32 handle, u16 sz);
1553 int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1554 	Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1555 	u32 form, u32 form_specific);
1556 int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1557 	u16 *volume_handle);
1558 int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1559 	u16 volume_handle, u64 *wwid);
1560 
1561 /* ctl shared API */
1562 extern struct device_attribute *mpt3sas_host_attrs[];
1563 extern struct device_attribute *mpt3sas_dev_attrs[];
1564 void mpt3sas_ctl_init(ushort hbas_to_enumerate);
1565 void mpt3sas_ctl_exit(ushort hbas_to_enumerate);
1566 u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1567 	u32 reply);
1568 void mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1569 u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1570 	u8 msix_index, u32 reply);
1571 void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1572 	Mpi2EventNotificationReply_t *mpi_reply);
1573 
1574 void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1575 	u8 bits_to_register);
1576 int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1577 	u8 *issue_reset);
1578 
1579 /* transport shared API */
1580 extern struct scsi_transport_template *mpt3sas_transport_template;
1581 u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1582 	u32 reply);
1583 struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
1584 	u16 handle, u64 sas_address);
1585 void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1586 	u64 sas_address_parent);
1587 int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
1588 	*mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1589 int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
1590 	struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
1591 	struct device *parent_dev);
1592 void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
1593 	u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1594 extern struct sas_function_template mpt3sas_transport_functions;
1595 extern struct scsi_transport_template *mpt3sas_transport_template;
1596 /* trigger data externs */
1597 void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
1598 	struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1599 void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
1600 	struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1601 void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
1602 	u32 tigger_bitmask);
1603 void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
1604 	u16 log_entry_qualifier);
1605 void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
1606 	u8 asc, u8 ascq);
1607 void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
1608 	u32 loginfo);
1609 
1610 /* warpdrive APIs */
1611 u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc);
1612 void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc,
1613 	struct _raid_device *raid_device);
1614 void
1615 mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
1616 	struct _raid_device *raid_device, Mpi25SCSIIORequest_t *mpi_request);
1617 
1618 /* NCQ Prio Handling Check */
1619 bool scsih_ncq_prio_supp(struct scsi_device *sdev);
1620 
1621 #endif /* MPT3SAS_BASE_H_INCLUDED */
1622