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 #include "mpi/mpi2_image.h"
59 
60 #include <scsi/scsi.h>
61 #include <scsi/scsi_cmnd.h>
62 #include <scsi/scsi_device.h>
63 #include <scsi/scsi_host.h>
64 #include <scsi/scsi_tcq.h>
65 #include <scsi/scsi_transport_sas.h>
66 #include <scsi/scsi_dbg.h>
67 #include <scsi/scsi_eh.h>
68 #include <linux/pci.h>
69 #include <linux/poll.h>
70 #include <linux/irq_poll.h>
71 
72 #include "mpt3sas_debug.h"
73 #include "mpt3sas_trigger_diag.h"
74 #include "mpt3sas_trigger_pages.h"
75 
76 /* driver versioning info */
77 #define MPT3SAS_DRIVER_NAME		"mpt3sas"
78 #define MPT3SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>"
79 #define MPT3SAS_DESCRIPTION	"LSI MPT Fusion SAS 3.0 Device Driver"
80 #define MPT3SAS_DRIVER_VERSION		"39.100.00.00"
81 #define MPT3SAS_MAJOR_VERSION		39
82 #define MPT3SAS_MINOR_VERSION		100
83 #define MPT3SAS_BUILD_VERSION		0
84 #define MPT3SAS_RELEASE_VERSION	00
85 
86 #define MPT2SAS_DRIVER_NAME		"mpt2sas"
87 #define MPT2SAS_DESCRIPTION	"LSI MPT Fusion SAS 2.0 Device Driver"
88 #define MPT2SAS_DRIVER_VERSION		"20.102.00.00"
89 #define MPT2SAS_MAJOR_VERSION		20
90 #define MPT2SAS_MINOR_VERSION		102
91 #define MPT2SAS_BUILD_VERSION		0
92 #define MPT2SAS_RELEASE_VERSION	00
93 
94 /* CoreDump: Default timeout */
95 #define MPT3SAS_DEFAULT_COREDUMP_TIMEOUT_SECONDS	(15) /*15 seconds*/
96 #define MPT3SAS_COREDUMP_LOOP_DONE                     (0xFF)
97 #define MPT3SAS_TIMESYNC_TIMEOUT_SECONDS		(10) /* 10 seconds */
98 #define MPT3SAS_TIMESYNC_UPDATE_INTERVAL		(900) /* 15 minutes */
99 #define MPT3SAS_TIMESYNC_UNIT_MASK			(0x80) /* bit 7 */
100 #define MPT3SAS_TIMESYNC_MASK				(0x7F) /* 0 - 6 bits */
101 #define SECONDS_PER_MIN					(60)
102 #define SECONDS_PER_HOUR				(3600)
103 #define MPT3SAS_COREDUMP_LOOP_DONE			(0xFF)
104 #define MPI26_SET_IOC_PARAMETER_SYNC_TIMESTAMP		(0x81)
105 
106 /*
107  * Set MPT3SAS_SG_DEPTH value based on user input.
108  */
109 #define MPT_MAX_PHYS_SEGMENTS	SG_CHUNK_SIZE
110 #define MPT_MIN_PHYS_SEGMENTS	16
111 #define MPT_KDUMP_MIN_PHYS_SEGMENTS	32
112 
113 #define MCPU_MAX_CHAINS_PER_IO	3
114 
115 #ifdef CONFIG_SCSI_MPT3SAS_MAX_SGE
116 #define MPT3SAS_SG_DEPTH		CONFIG_SCSI_MPT3SAS_MAX_SGE
117 #else
118 #define MPT3SAS_SG_DEPTH		MPT_MAX_PHYS_SEGMENTS
119 #endif
120 
121 #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
122 #define MPT2SAS_SG_DEPTH		CONFIG_SCSI_MPT2SAS_MAX_SGE
123 #else
124 #define MPT2SAS_SG_DEPTH		MPT_MAX_PHYS_SEGMENTS
125 #endif
126 
127 /*
128  * Generic Defines
129  */
130 #define MPT3SAS_SATA_QUEUE_DEPTH	32
131 #define MPT3SAS_SAS_QUEUE_DEPTH		254
132 #define MPT3SAS_RAID_QUEUE_DEPTH	128
133 #define MPT3SAS_KDUMP_SCSI_IO_DEPTH	200
134 
135 #define MPT3SAS_RAID_MAX_SECTORS	8192
136 #define MPT3SAS_HOST_PAGE_SIZE_4K	12
137 #define MPT3SAS_NVME_QUEUE_DEPTH	128
138 #define MPT_NAME_LENGTH			32	/* generic length of strings */
139 #define MPT_STRING_LENGTH		64
140 #define MPI_FRAME_START_OFFSET		256
141 #define REPLY_FREE_POOL_SIZE		512 /*(32 maxcredix *4)*(4 times)*/
142 
143 #define MPT_MAX_CALLBACKS		32
144 
145 #define INTERNAL_CMDS_COUNT		10	/* reserved cmds */
146 /* reserved for issuing internally framed scsi io cmds */
147 #define INTERNAL_SCSIIO_CMDS_COUNT	3
148 
149 #define MPI3_HIM_MASK			0xFFFFFFFF /* mask every bit*/
150 
151 #define MPT3SAS_INVALID_DEVICE_HANDLE	0xFFFF
152 
153 #define MAX_CHAIN_ELEMT_SZ		16
154 #define DEFAULT_NUM_FWCHAIN_ELEMTS	8
155 
156 #define IO_UNIT_CONTROL_SHUTDOWN_TIMEOUT 6
157 #define FW_IMG_HDR_READ_TIMEOUT	15
158 
159 #define IOC_OPERATIONAL_WAIT_COUNT	10
160 
161 /*
162  * NVMe defines
163  */
164 #define	NVME_PRP_SIZE			8	/* PRP size */
165 #define	NVME_ERROR_RESPONSE_SIZE	16	/* Max NVME Error Response */
166 #define NVME_TASK_ABORT_MIN_TIMEOUT	6
167 #define NVME_TASK_ABORT_MAX_TIMEOUT	60
168 #define NVME_TASK_MNGT_CUSTOM_MASK	(0x0010)
169 #define	NVME_PRP_PAGE_SIZE		4096	/* Page size */
170 
171 struct mpt3sas_nvme_cmd {
172 	u8	rsvd[24];
173 	__le64	prp1;
174 	__le64	prp2;
175 };
176 
177 /*
178  * logging format
179  */
180 #define ioc_err(ioc, fmt, ...)						\
181 	pr_err("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
182 #define ioc_notice(ioc, fmt, ...)					\
183 	pr_notice("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
184 #define ioc_warn(ioc, fmt, ...)						\
185 	pr_warn("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
186 #define ioc_info(ioc, fmt, ...)						\
187 	pr_info("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
188 
189 /*
190  *  WarpDrive Specific Log codes
191  */
192 
193 #define MPT2_WARPDRIVE_LOGENTRY		(0x8002)
194 #define MPT2_WARPDRIVE_LC_SSDT			(0x41)
195 #define MPT2_WARPDRIVE_LC_SSDLW		(0x43)
196 #define MPT2_WARPDRIVE_LC_SSDLF		(0x44)
197 #define MPT2_WARPDRIVE_LC_BRMF			(0x4D)
198 
199 /*
200  * per target private data
201  */
202 #define MPT_TARGET_FLAGS_RAID_COMPONENT	0x01
203 #define MPT_TARGET_FLAGS_VOLUME		0x02
204 #define MPT_TARGET_FLAGS_DELETED	0x04
205 #define MPT_TARGET_FASTPATH_IO		0x08
206 #define MPT_TARGET_FLAGS_PCIE_DEVICE	0x10
207 
208 #define SAS2_PCI_DEVICE_B0_REVISION	(0x01)
209 #define SAS3_PCI_DEVICE_C0_REVISION	(0x02)
210 
211 /* Atlas PCIe Switch Management Port */
212 #define MPI26_ATLAS_PCIe_SWITCH_DEVID	(0x00B2)
213 
214 /*
215  * Intel HBA branding
216  */
217 #define MPT2SAS_INTEL_RMS25JB080_BRANDING    \
218 	"Intel(R) Integrated RAID Module RMS25JB080"
219 #define MPT2SAS_INTEL_RMS25JB040_BRANDING    \
220 	"Intel(R) Integrated RAID Module RMS25JB040"
221 #define MPT2SAS_INTEL_RMS25KB080_BRANDING    \
222 	"Intel(R) Integrated RAID Module RMS25KB080"
223 #define MPT2SAS_INTEL_RMS25KB040_BRANDING    \
224 	"Intel(R) Integrated RAID Module RMS25KB040"
225 #define MPT2SAS_INTEL_RMS25LB040_BRANDING	\
226 	"Intel(R) Integrated RAID Module RMS25LB040"
227 #define MPT2SAS_INTEL_RMS25LB080_BRANDING	\
228 	"Intel(R) Integrated RAID Module RMS25LB080"
229 #define MPT2SAS_INTEL_RMS2LL080_BRANDING	\
230 	"Intel Integrated RAID Module RMS2LL080"
231 #define MPT2SAS_INTEL_RMS2LL040_BRANDING	\
232 	"Intel Integrated RAID Module RMS2LL040"
233 #define MPT2SAS_INTEL_RS25GB008_BRANDING       \
234 	"Intel(R) RAID Controller RS25GB008"
235 #define MPT2SAS_INTEL_SSD910_BRANDING          \
236 	"Intel(R) SSD 910 Series"
237 
238 #define MPT3SAS_INTEL_RMS3JC080_BRANDING       \
239 	"Intel(R) Integrated RAID Module RMS3JC080"
240 #define MPT3SAS_INTEL_RS3GC008_BRANDING       \
241 	"Intel(R) RAID Controller RS3GC008"
242 #define MPT3SAS_INTEL_RS3FC044_BRANDING       \
243 	"Intel(R) RAID Controller RS3FC044"
244 #define MPT3SAS_INTEL_RS3UC080_BRANDING       \
245 	"Intel(R) RAID Controller RS3UC080"
246 
247 /*
248  * Intel HBA SSDIDs
249  */
250 #define MPT2SAS_INTEL_RMS25JB080_SSDID		0x3516
251 #define MPT2SAS_INTEL_RMS25JB040_SSDID		0x3517
252 #define MPT2SAS_INTEL_RMS25KB080_SSDID		0x3518
253 #define MPT2SAS_INTEL_RMS25KB040_SSDID		0x3519
254 #define MPT2SAS_INTEL_RMS25LB040_SSDID		0x351A
255 #define MPT2SAS_INTEL_RMS25LB080_SSDID		0x351B
256 #define MPT2SAS_INTEL_RMS2LL080_SSDID		0x350E
257 #define MPT2SAS_INTEL_RMS2LL040_SSDID		0x350F
258 #define MPT2SAS_INTEL_RS25GB008_SSDID		0x3000
259 #define MPT2SAS_INTEL_SSD910_SSDID		0x3700
260 
261 #define MPT3SAS_INTEL_RMS3JC080_SSDID		0x3521
262 #define MPT3SAS_INTEL_RS3GC008_SSDID		0x3522
263 #define MPT3SAS_INTEL_RS3FC044_SSDID		0x3523
264 #define MPT3SAS_INTEL_RS3UC080_SSDID		0x3524
265 
266 /*
267  * Dell HBA branding
268  */
269 #define MPT2SAS_DELL_BRANDING_SIZE                 32
270 
271 #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING        "Dell 6Gbps SAS HBA"
272 #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING    "Dell PERC H200 Adapter"
273 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
274 #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING    "Dell PERC H200 Modular"
275 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING   "Dell PERC H200 Embedded"
276 #define MPT2SAS_DELL_PERC_H200_BRANDING            "Dell PERC H200"
277 #define MPT2SAS_DELL_6GBPS_SAS_BRANDING            "Dell 6Gbps SAS"
278 
279 #define MPT3SAS_DELL_12G_HBA_BRANDING       \
280 	"Dell 12Gbps HBA"
281 
282 /*
283  * Dell HBA SSDIDs
284  */
285 #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID	0x1F1C
286 #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID	0x1F1D
287 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID	0x1F1E
288 #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID	0x1F1F
289 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID	0x1F20
290 #define MPT2SAS_DELL_PERC_H200_SSDID		0x1F21
291 #define MPT2SAS_DELL_6GBPS_SAS_SSDID		0x1F22
292 
293 #define MPT3SAS_DELL_12G_HBA_SSDID		0x1F46
294 
295 /*
296  * Cisco HBA branding
297  */
298 #define MPT3SAS_CISCO_12G_8E_HBA_BRANDING		\
299 	"Cisco 9300-8E 12G SAS HBA"
300 #define MPT3SAS_CISCO_12G_8I_HBA_BRANDING		\
301 	"Cisco 9300-8i 12G SAS HBA"
302 #define MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING	\
303 	"Cisco 12G Modular SAS Pass through Controller"
304 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING		\
305 	"UCS C3X60 12G SAS Pass through Controller"
306 /*
307  * Cisco HBA SSSDIDs
308  */
309 #define MPT3SAS_CISCO_12G_8E_HBA_SSDID  0x14C
310 #define MPT3SAS_CISCO_12G_8I_HBA_SSDID  0x154
311 #define MPT3SAS_CISCO_12G_AVILA_HBA_SSDID  0x155
312 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID  0x156
313 
314 /*
315  * status bits for ioc->diag_buffer_status
316  */
317 #define MPT3_DIAG_BUFFER_IS_REGISTERED	(0x01)
318 #define MPT3_DIAG_BUFFER_IS_RELEASED	(0x02)
319 #define MPT3_DIAG_BUFFER_IS_DIAG_RESET	(0x04)
320 #define MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED (0x08)
321 #define MPT3_DIAG_BUFFER_IS_APP_OWNED (0x10)
322 
323 /*
324  * HP HBA branding
325  */
326 #define MPT2SAS_HP_3PAR_SSVID                0x1590
327 
328 #define MPT2SAS_HP_2_4_INTERNAL_BRANDING	\
329 	"HP H220 Host Bus Adapter"
330 #define MPT2SAS_HP_2_4_EXTERNAL_BRANDING	\
331 	"HP H221 Host Bus Adapter"
332 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING	\
333 	"HP H222 Host Bus Adapter"
334 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING	\
335 	"HP H220i Host Bus Adapter"
336 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING	\
337 	"HP H210i Host Bus Adapter"
338 
339 /*
340  * HO HBA SSDIDs
341  */
342 #define MPT2SAS_HP_2_4_INTERNAL_SSDID			0x0041
343 #define MPT2SAS_HP_2_4_EXTERNAL_SSDID			0x0042
344 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID	0x0043
345 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID		0x0044
346 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID		0x0046
347 
348 /*
349  * Combined Reply Queue constants,
350  * There are twelve Supplemental Reply Post Host Index Registers
351  * and each register is at offset 0x10 bytes from the previous one.
352  */
353 #define MAX_COMBINED_MSIX_VECTORS(gen35) ((gen35 == 1) ? 16 : 8)
354 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3	12
355 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35	16
356 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET	(0x10)
357 #define MPT3_MIN_IRQS					1
358 
359 /* OEM Identifiers */
360 #define MFG10_OEM_ID_INVALID                   (0x00000000)
361 #define MFG10_OEM_ID_DELL                      (0x00000001)
362 #define MFG10_OEM_ID_FSC                       (0x00000002)
363 #define MFG10_OEM_ID_SUN                       (0x00000003)
364 #define MFG10_OEM_ID_IBM                       (0x00000004)
365 
366 /* GENERIC Flags 0*/
367 #define MFG10_GF0_OCE_DISABLED                 (0x00000001)
368 #define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
369 #define MFG10_GF0_R10_DISPLAY                  (0x00000004)
370 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
371 #define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
372 
373 #define VIRTUAL_IO_FAILED_RETRY			(0x32010081)
374 
375 /* High IOPs definitions */
376 #define MPT3SAS_DEVICE_HIGH_IOPS_DEPTH		8
377 #define MPT3SAS_HIGH_IOPS_REPLY_QUEUES		8
378 #define MPT3SAS_HIGH_IOPS_BATCH_COUNT		16
379 #define MPT3SAS_GEN35_MAX_MSIX_QUEUES		128
380 #define RDPQ_MAX_INDEX_IN_ONE_CHUNK		16
381 
382 /* OEM Specific Flags will come from OEM specific header files */
383 struct Mpi2ManufacturingPage10_t {
384 	MPI2_CONFIG_PAGE_HEADER	Header;		/* 00h */
385 	U8	OEMIdentifier;			/* 04h */
386 	U8	Reserved1;			/* 05h */
387 	U16	Reserved2;			/* 08h */
388 	U32	Reserved3;			/* 0Ch */
389 	U32	GenericFlags0;			/* 10h */
390 	U32	GenericFlags1;			/* 14h */
391 	U32	Reserved4;			/* 18h */
392 	U32	OEMSpecificFlags0;		/* 1Ch */
393 	U32	OEMSpecificFlags1;		/* 20h */
394 	U32	Reserved5[18];			/* 24h - 60h*/
395 };
396 
397 
398 /* Miscellaneous options */
399 struct Mpi2ManufacturingPage11_t {
400 	MPI2_CONFIG_PAGE_HEADER Header;		/* 00h */
401 	__le32	Reserved1;			/* 04h */
402 	u8	Reserved2;			/* 08h */
403 	u8	EEDPTagMode;			/* 09h */
404 	u8	Reserved3;			/* 0Ah */
405 	u8	Reserved4;			/* 0Bh */
406 	__le32	Reserved5[8];			/* 0Ch-2Ch */
407 	u16	AddlFlags2;			/* 2Ch */
408 	u8	AddlFlags3;			/* 2Eh */
409 	u8	Reserved6;			/* 2Fh */
410 	__le32	Reserved7[7];			/* 30h - 4Bh */
411 	u8	NVMeAbortTO;			/* 4Ch */
412 	u8	NumPerDevEvents;		/* 4Dh */
413 	u8	HostTraceBufferDecrementSizeKB;	/* 4Eh */
414 	u8	HostTraceBufferFlags;		/* 4Fh */
415 	u16	HostTraceBufferMaxSizeKB;	/* 50h */
416 	u16	HostTraceBufferMinSizeKB;	/* 52h */
417 	u8	CoreDumpTOSec;			/* 54h */
418 	u8	TimeSyncInterval;		/* 55h */
419 	u16	Reserved9;			/* 56h */
420 	__le32	Reserved10;			/* 58h */
421 };
422 
423 /**
424  * struct MPT3SAS_TARGET - starget private hostdata
425  * @starget: starget object
426  * @sas_address: target sas address
427  * @raid_device: raid_device pointer to access volume data
428  * @handle: device handle
429  * @num_luns: number luns
430  * @flags: MPT_TARGET_FLAGS_XXX flags
431  * @deleted: target flaged for deletion
432  * @tm_busy: target is busy with TM request.
433  * @port: hba port entry containing target's port number info
434  * @sas_dev: The sas_device associated with this target
435  * @pcie_dev: The pcie device associated with this target
436  */
437 struct MPT3SAS_TARGET {
438 	struct scsi_target *starget;
439 	u64	sas_address;
440 	struct _raid_device *raid_device;
441 	u16	handle;
442 	int	num_luns;
443 	u32	flags;
444 	u8	deleted;
445 	u8	tm_busy;
446 	struct hba_port *port;
447 	struct _sas_device *sas_dev;
448 	struct _pcie_device *pcie_dev;
449 };
450 
451 
452 /*
453  * per device private data
454  */
455 #define MPT_DEVICE_FLAGS_INIT		0x01
456 
457 #define MFG_PAGE10_HIDE_SSDS_MASK	(0x00000003)
458 #define MFG_PAGE10_HIDE_ALL_DISKS	(0x00)
459 #define MFG_PAGE10_EXPOSE_ALL_DISKS	(0x01)
460 #define MFG_PAGE10_HIDE_IF_VOL_PRESENT	(0x02)
461 
462 /**
463  * struct MPT3SAS_DEVICE - sdev private hostdata
464  * @sas_target: starget private hostdata
465  * @lun: lun number
466  * @flags: MPT_DEVICE_XXX flags
467  * @configured_lun: lun is configured
468  * @block: device is in SDEV_BLOCK state
469  * @tlr_snoop_check: flag used in determining whether to disable TLR
470  * @eedp_enable: eedp support enable bit
471  * @eedp_type: 0(type_1), 1(type_2), 2(type_3)
472  * @eedp_block_length: block size
473  * @ata_command_pending: SATL passthrough outstanding for device
474  */
475 struct MPT3SAS_DEVICE {
476 	struct MPT3SAS_TARGET *sas_target;
477 	unsigned int	lun;
478 	u32	flags;
479 	u8	configured_lun;
480 	u8	block;
481 	u8	tlr_snoop_check;
482 	u8	ignore_delay_remove;
483 	/* Iopriority Command Handling */
484 	u8	ncq_prio_enable;
485 	/*
486 	 * Bug workaround for SATL handling: the mpt2/3sas firmware
487 	 * doesn't return BUSY or TASK_SET_FULL for subsequent
488 	 * commands while a SATL pass through is in operation as the
489 	 * spec requires, it simply does nothing with them until the
490 	 * pass through completes, causing them possibly to timeout if
491 	 * the passthrough is a long executing command (like format or
492 	 * secure erase).  This variable allows us to do the right
493 	 * thing while a SATL command is pending.
494 	 */
495 	unsigned long ata_command_pending;
496 
497 };
498 
499 #define MPT3_CMD_NOT_USED	0x8000	/* free */
500 #define MPT3_CMD_COMPLETE	0x0001	/* completed */
501 #define MPT3_CMD_PENDING	0x0002	/* pending */
502 #define MPT3_CMD_REPLY_VALID	0x0004	/* reply is valid */
503 #define MPT3_CMD_RESET		0x0008	/* host reset dropped the command */
504 #define MPT3_CMD_COMPLETE_ASYNC 0x0010  /* tells whether cmd completes in same thread or not */
505 
506 /**
507  * struct _internal_cmd - internal commands struct
508  * @mutex: mutex
509  * @done: completion
510  * @reply: reply message pointer
511  * @sense: sense data
512  * @status: MPT3_CMD_XXX status
513  * @smid: system message id
514  */
515 struct _internal_cmd {
516 	struct mutex mutex;
517 	struct completion done;
518 	void	*reply;
519 	void	*sense;
520 	u16	status;
521 	u16	smid;
522 };
523 
524 
525 
526 /**
527  * struct _sas_device - attached device information
528  * @list: sas device list
529  * @starget: starget object
530  * @sas_address: device sas address
531  * @device_name: retrieved from the SAS IDENTIFY frame.
532  * @handle: device handle
533  * @sas_address_parent: sas address of parent expander or sas host
534  * @enclosure_handle: enclosure handle
535  * @enclosure_logical_id: enclosure logical identifier
536  * @volume_handle: volume handle (valid when hidden raid member)
537  * @volume_wwid: volume unique identifier
538  * @device_info: bitfield provides detailed info about the device
539  * @id: target id
540  * @channel: target channel
541  * @slot: number number
542  * @phy: phy identifier provided in sas device page 0
543  * @responding: used in _scsih_sas_device_mark_responding
544  * @fast_path: fast path feature enable bit
545  * @pfa_led_on: flag for PFA LED status
546  * @pend_sas_rphy_add: flag to check if device is in sas_rphy_add()
547  *	addition routine.
548  * @chassis_slot: chassis slot
549  * @is_chassis_slot_valid: chassis slot valid or not
550  * @port: hba port entry containing device's port number info
551  * @rphy: device's sas_rphy address used to identify this device structure in
552  *	target_alloc callback function
553  */
554 struct _sas_device {
555 	struct list_head list;
556 	struct scsi_target *starget;
557 	u64	sas_address;
558 	u64	device_name;
559 	u16	handle;
560 	u64	sas_address_parent;
561 	u16	enclosure_handle;
562 	u64	enclosure_logical_id;
563 	u16	volume_handle;
564 	u64	volume_wwid;
565 	u32	device_info;
566 	int	id;
567 	int	channel;
568 	u16	slot;
569 	u8	phy;
570 	u8	responding;
571 	u8	fast_path;
572 	u8	pfa_led_on;
573 	u8	pend_sas_rphy_add;
574 	u8	enclosure_level;
575 	u8	chassis_slot;
576 	u8	is_chassis_slot_valid;
577 	u8	connector_name[5];
578 	struct kref refcount;
579 	u8	port_type;
580 	struct hba_port *port;
581 	struct sas_rphy *rphy;
582 };
583 
584 static inline void sas_device_get(struct _sas_device *s)
585 {
586 	kref_get(&s->refcount);
587 }
588 
589 static inline void sas_device_free(struct kref *r)
590 {
591 	kfree(container_of(r, struct _sas_device, refcount));
592 }
593 
594 static inline void sas_device_put(struct _sas_device *s)
595 {
596 	kref_put(&s->refcount, sas_device_free);
597 }
598 
599 /*
600  * struct _pcie_device - attached PCIe device information
601  * @list: pcie device list
602  * @starget: starget object
603  * @wwid: device WWID
604  * @handle: device handle
605  * @device_info: bitfield provides detailed info about the device
606  * @id: target id
607  * @channel: target channel
608  * @slot: slot number
609  * @port_num: port number
610  * @responding: used in _scsih_pcie_device_mark_responding
611  * @fast_path: fast path feature enable bit
612  * @nvme_mdts: MaximumDataTransferSize from PCIe Device Page 2 for
613  *		NVMe device only
614  * @enclosure_handle: enclosure handle
615  * @enclosure_logical_id: enclosure logical identifier
616  * @enclosure_level: The level of device's enclosure from the controller
617  * @connector_name: ASCII value of the Connector's name
618  * @serial_number: pointer of serial number string allocated runtime
619  * @access_status: Device's Access Status
620  * @shutdown_latency: NVMe device's RTD3 Entry Latency
621  * @refcount: reference count for deletion
622  */
623 struct _pcie_device {
624 	struct list_head list;
625 	struct scsi_target *starget;
626 	u64	wwid;
627 	u16	handle;
628 	u32	device_info;
629 	int	id;
630 	int	channel;
631 	u16	slot;
632 	u8	port_num;
633 	u8	responding;
634 	u8	fast_path;
635 	u32	nvme_mdts;
636 	u16	enclosure_handle;
637 	u64	enclosure_logical_id;
638 	u8	enclosure_level;
639 	u8	connector_name[4];
640 	u8	*serial_number;
641 	u8	reset_timeout;
642 	u8	access_status;
643 	u16	shutdown_latency;
644 	struct kref refcount;
645 };
646 /**
647  * pcie_device_get - Increment the pcie device reference count
648  *
649  * @p: pcie_device object
650  *
651  * When ever this function called it will increment the
652  * reference count of the pcie device for which this function called.
653  *
654  */
655 static inline void pcie_device_get(struct _pcie_device *p)
656 {
657 	kref_get(&p->refcount);
658 }
659 
660 /**
661  * pcie_device_free - Release the pcie device object
662  * @r - kref object
663  *
664  * Free's the pcie device object. It will be called when reference count
665  * reaches to zero.
666  */
667 static inline void pcie_device_free(struct kref *r)
668 {
669 	kfree(container_of(r, struct _pcie_device, refcount));
670 }
671 
672 /**
673  * pcie_device_put - Decrement the pcie device reference count
674  *
675  * @p: pcie_device object
676  *
677  * When ever this function called it will decrement the
678  * reference count of the pcie device for which this function called.
679  *
680  * When refernce count reaches to Zero, this will call pcie_device_free to the
681  * pcie_device object.
682  */
683 static inline void pcie_device_put(struct _pcie_device *p)
684 {
685 	kref_put(&p->refcount, pcie_device_free);
686 }
687 /**
688  * struct _raid_device - raid volume link list
689  * @list: sas device list
690  * @starget: starget object
691  * @sdev: scsi device struct (volumes are single lun)
692  * @wwid: unique identifier for the volume
693  * @handle: device handle
694  * @block_size: Block size of the volume
695  * @id: target id
696  * @channel: target channel
697  * @volume_type: the raid level
698  * @device_info: bitfield provides detailed info about the hidden components
699  * @num_pds: number of hidden raid components
700  * @responding: used in _scsih_raid_device_mark_responding
701  * @percent_complete: resync percent complete
702  * @direct_io_enabled: Whether direct io to PDs are allowed or not
703  * @stripe_exponent: X where 2powX is the stripe sz in blocks
704  * @block_exponent: X where 2powX is the block sz in bytes
705  * @max_lba: Maximum number of LBA in the volume
706  * @stripe_sz: Stripe Size of the volume
707  * @device_info: Device info of the volume member disk
708  * @pd_handle: Array of handles of the physical drives for direct I/O in le16
709  */
710 #define MPT_MAX_WARPDRIVE_PDS		8
711 struct _raid_device {
712 	struct list_head list;
713 	struct scsi_target *starget;
714 	struct scsi_device *sdev;
715 	u64	wwid;
716 	u16	handle;
717 	u16	block_sz;
718 	int	id;
719 	int	channel;
720 	u8	volume_type;
721 	u8	num_pds;
722 	u8	responding;
723 	u8	percent_complete;
724 	u8	direct_io_enabled;
725 	u8	stripe_exponent;
726 	u8	block_exponent;
727 	u64	max_lba;
728 	u32	stripe_sz;
729 	u32	device_info;
730 	u16	pd_handle[MPT_MAX_WARPDRIVE_PDS];
731 };
732 
733 /**
734  * struct _boot_device - boot device info
735  *
736  * @channel: sas, raid, or pcie channel
737  * @device: holds pointer for struct _sas_device, struct _raid_device or
738  *     struct _pcie_device
739  */
740 struct _boot_device {
741 	int channel;
742 	void *device;
743 };
744 
745 /**
746  * struct _sas_port - wide/narrow sas port information
747  * @port_list: list of ports belonging to expander
748  * @num_phys: number of phys belonging to this port
749  * @remote_identify: attached device identification
750  * @rphy: sas transport rphy object
751  * @port: sas transport wide/narrow port object
752  * @hba_port: hba port entry containing port's port number info
753  * @phy_list: _sas_phy list objects belonging to this port
754  */
755 struct _sas_port {
756 	struct list_head port_list;
757 	u8	num_phys;
758 	struct sas_identify remote_identify;
759 	struct sas_rphy *rphy;
760 	struct sas_port *port;
761 	struct hba_port *hba_port;
762 	struct list_head phy_list;
763 };
764 
765 /**
766  * struct _sas_phy - phy information
767  * @port_siblings: list of phys belonging to a port
768  * @identify: phy identification
769  * @remote_identify: attached device identification
770  * @phy: sas transport phy object
771  * @phy_id: unique phy id
772  * @handle: device handle for this phy
773  * @attached_handle: device handle for attached device
774  * @phy_belongs_to_port: port has been created for this phy
775  * @port: hba port entry containing port number info
776  */
777 struct _sas_phy {
778 	struct list_head port_siblings;
779 	struct sas_identify identify;
780 	struct sas_identify remote_identify;
781 	struct sas_phy *phy;
782 	u8	phy_id;
783 	u16	handle;
784 	u16	attached_handle;
785 	u8	phy_belongs_to_port;
786 	u8	hba_vphy;
787 	struct hba_port *port;
788 };
789 
790 /**
791  * struct _sas_node - sas_host/expander information
792  * @list: list of expanders
793  * @parent_dev: parent device class
794  * @num_phys: number phys belonging to this sas_host/expander
795  * @sas_address: sas address of this sas_host/expander
796  * @handle: handle for this sas_host/expander
797  * @sas_address_parent: sas address of parent expander or sas host
798  * @enclosure_handle: handle for this a member of an enclosure
799  * @device_info: bitwise defining capabilities of this sas_host/expander
800  * @responding: used in _scsih_expander_device_mark_responding
801  * @phy: a list of phys that make up this sas_host/expander
802  * @sas_port_list: list of ports attached to this sas_host/expander
803  * @port: hba port entry containing node's port number info
804  * @rphy: sas_rphy object of this expander
805  */
806 struct _sas_node {
807 	struct list_head list;
808 	struct device *parent_dev;
809 	u8	num_phys;
810 	u64	sas_address;
811 	u16	handle;
812 	u64	sas_address_parent;
813 	u16	enclosure_handle;
814 	u64	enclosure_logical_id;
815 	u8	responding;
816 	struct hba_port *port;
817 	struct	_sas_phy *phy;
818 	struct list_head sas_port_list;
819 	struct sas_rphy *rphy;
820 };
821 
822 /**
823  * struct _enclosure_node - enclosure information
824  * @list: list of enclosures
825  * @pg0: enclosure pg0;
826  */
827 struct _enclosure_node {
828 	struct list_head list;
829 	Mpi2SasEnclosurePage0_t pg0;
830 };
831 
832 /**
833  * enum reset_type - reset state
834  * @FORCE_BIG_HAMMER: issue diagnostic reset
835  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
836  */
837 enum reset_type {
838 	FORCE_BIG_HAMMER,
839 	SOFT_RESET,
840 };
841 
842 /**
843  * struct pcie_sg_list - PCIe SGL buffer (contiguous per I/O)
844  * @pcie_sgl: PCIe native SGL for NVMe devices
845  * @pcie_sgl_dma: physical address
846  */
847 struct pcie_sg_list {
848 	void            *pcie_sgl;
849 	dma_addr_t      pcie_sgl_dma;
850 };
851 
852 /**
853  * struct chain_tracker - firmware chain tracker
854  * @chain_buffer: chain buffer
855  * @chain_buffer_dma: physical address
856  * @tracker_list: list of free request (ioc->free_chain_list)
857  */
858 struct chain_tracker {
859 	void *chain_buffer;
860 	dma_addr_t chain_buffer_dma;
861 };
862 
863 struct chain_lookup {
864 	struct chain_tracker *chains_per_smid;
865 	atomic_t	chain_offset;
866 };
867 
868 /**
869  * struct scsiio_tracker - scsi mf request tracker
870  * @smid: system message id
871  * @cb_idx: callback index
872  * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
873  * @chain_list: list of associated firmware chain tracker
874  * @msix_io: IO's msix
875  */
876 struct scsiio_tracker {
877 	u16	smid;
878 	struct scsi_cmnd *scmd;
879 	u8	cb_idx;
880 	u8	direct_io;
881 	struct pcie_sg_list pcie_sg_list;
882 	struct list_head chain_list;
883 	u16     msix_io;
884 };
885 
886 /**
887  * struct request_tracker - firmware request tracker
888  * @smid: system message id
889  * @cb_idx: callback index
890  * @tracker_list: list of free request (ioc->free_list)
891  */
892 struct request_tracker {
893 	u16	smid;
894 	u8	cb_idx;
895 	struct list_head tracker_list;
896 };
897 
898 /**
899  * struct _tr_list - target reset list
900  * @handle: device handle
901  * @state: state machine
902  */
903 struct _tr_list {
904 	struct list_head list;
905 	u16	handle;
906 	u16	state;
907 };
908 
909 /**
910  * struct _sc_list - delayed SAS_IO_UNIT_CONTROL message list
911  * @handle: device handle
912  */
913 struct _sc_list {
914 	struct list_head list;
915 	u16     handle;
916 };
917 
918 /**
919  * struct _event_ack_list - delayed event acknowledgment list
920  * @Event: Event ID
921  * @EventContext: used to track the event uniquely
922  */
923 struct _event_ack_list {
924 	struct list_head list;
925 	U16     Event;
926 	U32     EventContext;
927 };
928 
929 /**
930  * struct adapter_reply_queue - the reply queue struct
931  * @ioc: per adapter object
932  * @msix_index: msix index into vector table
933  * @vector: irq vector
934  * @reply_post_host_index: head index in the pool where FW completes IO
935  * @reply_post_free: reply post base virt address
936  * @name: the name registered to request_irq()
937  * @busy: isr is actively processing replies on another cpu
938  * @os_irq: irq number
939  * @irqpoll: irq_poll object
940  * @irq_poll_scheduled: Tells whether irq poll is scheduled or not
941  * @is_iouring_poll_q: Tells whether reply queues is assigned
942  *			to io uring poll queues or not
943  * @list: this list
944 */
945 struct adapter_reply_queue {
946 	struct MPT3SAS_ADAPTER	*ioc;
947 	u8			msix_index;
948 	u32			reply_post_host_index;
949 	Mpi2ReplyDescriptorsUnion_t *reply_post_free;
950 	char			name[MPT_NAME_LENGTH];
951 	atomic_t		busy;
952 	u32			os_irq;
953 	struct irq_poll         irqpoll;
954 	bool			irq_poll_scheduled;
955 	bool			irq_line_enable;
956 	bool			is_iouring_poll_q;
957 	struct list_head	list;
958 };
959 
960 /**
961  * struct io_uring_poll_queue - the io uring poll queue structure
962  * @busy: Tells whether io uring poll queue is busy or not
963  * @pause: Tells whether IOs are paused on io uring poll queue or not
964  * @reply_q: reply queue mapped for io uring poll queue
965  */
966 struct io_uring_poll_queue {
967 	atomic_t	busy;
968 	atomic_t	pause;
969 	struct adapter_reply_queue *reply_q;
970 };
971 
972 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
973 
974 /* SAS3.0 support */
975 typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
976 	struct scsi_cmnd *scmd, u16 smid, struct _pcie_device *pcie_device);
977 typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
978 		dma_addr_t data_out_dma, size_t data_out_sz,
979 		dma_addr_t data_in_dma, size_t data_in_sz);
980 typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
981 		void *paddr);
982 
983 /* SAS3.5 support */
984 typedef void (*NVME_BUILD_PRP)(struct MPT3SAS_ADAPTER *ioc, u16 smid,
985 	Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request,
986 	dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
987 	size_t data_in_sz);
988 
989 /* To support atomic and non atomic descriptors*/
990 typedef void (*PUT_SMID_IO_FP_HIP) (struct MPT3SAS_ADAPTER *ioc, u16 smid,
991 	u16 funcdep);
992 typedef void (*PUT_SMID_DEFAULT) (struct MPT3SAS_ADAPTER *ioc, u16 smid);
993 typedef u32 (*BASE_READ_REG) (const volatile void __iomem *addr);
994 /*
995  * To get high iops reply queue's msix index when high iops mode is enabled
996  * else get the msix index of general reply queues.
997  */
998 typedef u8 (*GET_MSIX_INDEX) (struct MPT3SAS_ADAPTER *ioc,
999 	struct scsi_cmnd *scmd);
1000 
1001 /* IOC Facts and Port Facts converted from little endian to cpu */
1002 union mpi3_version_union {
1003 	MPI2_VERSION_STRUCT		Struct;
1004 	u32				Word;
1005 };
1006 
1007 struct mpt3sas_facts {
1008 	u16			MsgVersion;
1009 	u16			HeaderVersion;
1010 	u8			IOCNumber;
1011 	u8			VP_ID;
1012 	u8			VF_ID;
1013 	u16			IOCExceptions;
1014 	u16			IOCStatus;
1015 	u32			IOCLogInfo;
1016 	u8			MaxChainDepth;
1017 	u8			WhoInit;
1018 	u8			NumberOfPorts;
1019 	u8			MaxMSIxVectors;
1020 	u16			RequestCredit;
1021 	u16			ProductID;
1022 	u32			IOCCapabilities;
1023 	union mpi3_version_union	FWVersion;
1024 	u16			IOCRequestFrameSize;
1025 	u16			IOCMaxChainSegmentSize;
1026 	u16			MaxInitiators;
1027 	u16			MaxTargets;
1028 	u16			MaxSasExpanders;
1029 	u16			MaxEnclosures;
1030 	u16			ProtocolFlags;
1031 	u16			HighPriorityCredit;
1032 	u16			MaxReplyDescriptorPostQueueDepth;
1033 	u8			ReplyFrameSize;
1034 	u8			MaxVolumes;
1035 	u16			MaxDevHandle;
1036 	u16			MaxPersistentEntries;
1037 	u16			MinDevHandle;
1038 	u8			CurrentHostPageSize;
1039 };
1040 
1041 struct mpt3sas_port_facts {
1042 	u8			PortNumber;
1043 	u8			VP_ID;
1044 	u8			VF_ID;
1045 	u8			PortType;
1046 	u16			MaxPostedCmdBuffers;
1047 };
1048 
1049 struct reply_post_struct {
1050 	Mpi2ReplyDescriptorsUnion_t	*reply_post_free;
1051 	dma_addr_t			reply_post_free_dma;
1052 };
1053 
1054 /**
1055  * struct virtual_phy - vSES phy structure
1056  * sas_address: SAS Address of vSES device
1057  * phy_mask: vSES device's phy number
1058  * flags: flags used to manage this structure
1059  */
1060 struct virtual_phy {
1061 	struct	list_head list;
1062 	u64	sas_address;
1063 	u32	phy_mask;
1064 	u8	flags;
1065 };
1066 
1067 #define MPT_VPHY_FLAG_DIRTY_PHY	0x01
1068 
1069 /**
1070  * struct hba_port - Saves each HBA's Wide/Narrow port info
1071  * @sas_address: sas address of this wide/narrow port's attached device
1072  * @phy_mask: HBA PHY's belonging to this port
1073  * @port_id: port number
1074  * @flags: hba port flags
1075  * @vphys_mask : mask of vSES devices Phy number
1076  * @vphys_list : list containing vSES device structures
1077  */
1078 struct hba_port {
1079 	struct list_head list;
1080 	u64	sas_address;
1081 	u32	phy_mask;
1082 	u8      port_id;
1083 	u8	flags;
1084 	u32	vphys_mask;
1085 	struct list_head vphys_list;
1086 };
1087 
1088 /* hba port flags */
1089 #define HBA_PORT_FLAG_DIRTY_PORT       0x01
1090 #define HBA_PORT_FLAG_NEW_PORT         0x02
1091 
1092 #define MULTIPATH_DISABLED_PORT_ID     0xFF
1093 
1094 /**
1095  * struct htb_rel_query - diagnostic buffer release reason
1096  * @unique_id - unique id associated with this buffer.
1097  * @buffer_rel_condition - Release condition ioctl/sysfs/reset
1098  * @reserved
1099  * @trigger_type - Master/Event/scsi/MPI
1100  * @trigger_info_dwords - Data Correspondig to trigger type
1101  */
1102 struct htb_rel_query {
1103 	u16	buffer_rel_condition;
1104 	u16	reserved;
1105 	u32	trigger_type;
1106 	u32	trigger_info_dwords[2];
1107 };
1108 
1109 /* Buffer_rel_condition bit fields */
1110 
1111 /* Bit 0 - Diag Buffer not Released */
1112 #define MPT3_DIAG_BUFFER_NOT_RELEASED	(0x00)
1113 /* Bit 0 - Diag Buffer Released */
1114 #define MPT3_DIAG_BUFFER_RELEASED	(0x01)
1115 
1116 /*
1117  * Bit 1 - Diag Buffer Released by IOCTL,
1118  * This bit is valid only if Bit 0 is one
1119  */
1120 #define MPT3_DIAG_BUFFER_REL_IOCTL	(0x02 | MPT3_DIAG_BUFFER_RELEASED)
1121 
1122 /*
1123  * Bit 2 - Diag Buffer Released by Trigger,
1124  * This bit is valid only if Bit 0 is one
1125  */
1126 #define MPT3_DIAG_BUFFER_REL_TRIGGER	(0x04 | MPT3_DIAG_BUFFER_RELEASED)
1127 
1128 /*
1129  * Bit 3 - Diag Buffer Released by SysFs,
1130  * This bit is valid only if Bit 0 is one
1131  */
1132 #define MPT3_DIAG_BUFFER_REL_SYSFS	(0x08 | MPT3_DIAG_BUFFER_RELEASED)
1133 
1134 /* DIAG RESET Master trigger flags */
1135 #define MPT_DIAG_RESET_ISSUED_BY_DRIVER 0x00000000
1136 #define MPT_DIAG_RESET_ISSUED_BY_USER	0x00000001
1137 
1138 typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
1139 /**
1140  * struct MPT3SAS_ADAPTER - per adapter struct
1141  * @list: ioc_list
1142  * @shost: shost object
1143  * @id: unique adapter id
1144  * @cpu_count: number online cpus
1145  * @name: generic ioc string
1146  * @tmp_string: tmp string used for logging
1147  * @pdev: pci pdev object
1148  * @pio_chip: physical io register space
1149  * @chip: memory mapped register space
1150  * @chip_phys: physical addrss prior to mapping
1151  * @logging_level: see mpt3sas_debug.h
1152  * @fwfault_debug: debuging FW timeouts
1153  * @ir_firmware: IR firmware present
1154  * @bars: bitmask of BAR's that must be configured
1155  * @mask_interrupts: ignore interrupt
1156  * @pci_access_mutex: Mutex to synchronize ioctl, sysfs show path and
1157  *			pci resource handling
1158  * @fault_reset_work_q_name: fw fault work queue
1159  * @fault_reset_work_q: ""
1160  * @fault_reset_work: ""
1161  * @firmware_event_name: fw event work queue
1162  * @firmware_event_thread: ""
1163  * @fw_event_lock:
1164  * @fw_event_list: list of fw events
1165  * @current_evet: current processing firmware event
1166  * @fw_event_cleanup: set to one while cleaning up the fw events
1167  * @aen_event_read_flag: event log was read
1168  * @broadcast_aen_busy: broadcast aen waiting to be serviced
1169  * @shost_recovery: host reset in progress
1170  * @ioc_reset_in_progress_lock:
1171  * @ioc_link_reset_in_progress: phy/hard reset in progress
1172  * @ignore_loginfos: ignore loginfos during task management
1173  * @remove_host: flag for when driver unloads, to avoid sending dev resets
1174  * @pci_error_recovery: flag to prevent ioc access until slot reset completes
1175  * @wait_for_discovery_to_complete: flag set at driver load time when
1176  *                                               waiting on reporting devices
1177  * @is_driver_loading: flag set at driver load time
1178  * @port_enable_failed: flag set when port enable has failed
1179  * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
1180  * @start_scan_failed: means port enable failed, return's the ioc_status
1181  * @msix_enable: flag indicating msix is enabled
1182  * @msix_vector_count: number msix vectors
1183  * @cpu_msix_table: table for mapping cpus to msix index
1184  * @cpu_msix_table_sz: table size
1185  * @total_io_cnt: Gives total IO count, used to load balance the interrupts
1186  * @ioc_coredump_loop: will have non-zero value when FW is in CoreDump state
1187  * @timestamp_update_count: Counter to fire timeSync command
1188  * time_sync_interval: Time sync interval read from man page 11
1189  * @high_iops_outstanding: used to load balance the interrupts
1190  *				within high iops reply queues
1191  * @msix_load_balance: Enables load balancing of interrupts across
1192  * the multiple MSIXs
1193  * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
1194  * @thresh_hold: Max number of reply descriptors processed
1195  *				before updating Host Index
1196  * @iopoll_q_start_index: starting index of io uring poll queues
1197  *				in reply queue list
1198  * @drv_internal_flags: Bit map internal to driver
1199  * @drv_support_bitmap: driver's supported feature bit map
1200  * @use_32bit_dma: Flag to use 32 bit consistent dma mask
1201  * @scsi_io_cb_idx: shost generated commands
1202  * @tm_cb_idx: task management commands
1203  * @scsih_cb_idx: scsih internal commands
1204  * @transport_cb_idx: transport internal commands
1205  * @ctl_cb_idx: clt internal commands
1206  * @base_cb_idx: base internal commands
1207  * @config_cb_idx: base internal commands
1208  * @tm_tr_cb_idx : device removal target reset handshake
1209  * @tm_tr_volume_cb_idx : volume removal target reset
1210  * @base_cmds:
1211  * @transport_cmds:
1212  * @scsih_cmds:
1213  * @tm_cmds:
1214  * @ctl_cmds:
1215  * @config_cmds:
1216  * @base_add_sg_single: handler for either 32/64 bit sgl's
1217  * @event_type: bits indicating which events to log
1218  * @event_context: unique id for each logged event
1219  * @event_log: event log pointer
1220  * @event_masks: events that are masked
1221  * @max_shutdown_latency: timeout value for NVMe shutdown operation,
1222  *			which is equal that NVMe drive's RTD3 Entry Latency
1223  *			which has reported maximum RTD3 Entry Latency value
1224  *			among attached NVMe drives.
1225  * @facts: static facts data
1226  * @prev_fw_facts: previous fw facts data
1227  * @pfacts: static port facts data
1228  * @manu_pg0: static manufacturing page 0
1229  * @manu_pg10: static manufacturing page 10
1230  * @manu_pg11: static manufacturing page 11
1231  * @bios_pg2: static bios page 2
1232  * @bios_pg3: static bios page 3
1233  * @ioc_pg8: static ioc page 8
1234  * @iounit_pg0: static iounit page 0
1235  * @iounit_pg1: static iounit page 1
1236  * @iounit_pg8: static iounit page 8
1237  * @sas_hba: sas host object
1238  * @sas_expander_list: expander object list
1239  * @enclosure_list: enclosure object list
1240  * @sas_node_lock:
1241  * @sas_device_list: sas device object list
1242  * @sas_device_init_list: sas device object list (used only at init time)
1243  * @sas_device_lock:
1244  * @pcie_device_list: pcie device object list
1245  * @pcie_device_init_list: pcie device object list (used only at init time)
1246  * @pcie_device_lock:
1247  * @io_missing_delay: time for IO completed by fw when PDR enabled
1248  * @device_missing_delay: time for device missing by fw when PDR enabled
1249  * @sas_id : used for setting volume target IDs
1250  * @pcie_target_id: used for setting pcie target IDs
1251  * @blocking_handles: bitmask used to identify which devices need blocking
1252  * @pd_handles : bitmask for PD handles
1253  * @pd_handles_sz : size of pd_handle bitmask
1254  * @config_page_sz: config page size
1255  * @config_page: reserve memory for config page payload
1256  * @config_page_dma:
1257  * @hba_queue_depth: hba request queue depth
1258  * @sge_size: sg element size for either 32/64 bit
1259  * @scsiio_depth: SCSI_IO queue depth
1260  * @request_sz: per request frame size
1261  * @request: pool of request frames
1262  * @request_dma:
1263  * @request_dma_sz:
1264  * @scsi_lookup: firmware request tracker list
1265  * @scsi_lookup_lock:
1266  * @free_list: free list of request
1267  * @pending_io_count:
1268  * @reset_wq:
1269  * @chain: pool of chains
1270  * @chain_dma:
1271  * @max_sges_in_main_message: number sg elements in main message
1272  * @max_sges_in_chain_message: number sg elements per chain
1273  * @chains_needed_per_io: max chains per io
1274  * @chain_depth: total chains allocated
1275  * @chain_segment_sz: gives the max number of
1276  *			SGEs accommodate on single chain buffer
1277  * @hi_priority_smid:
1278  * @hi_priority:
1279  * @hi_priority_dma:
1280  * @hi_priority_depth:
1281  * @hpr_lookup:
1282  * @hpr_free_list:
1283  * @internal_smid:
1284  * @internal:
1285  * @internal_dma:
1286  * @internal_depth:
1287  * @internal_lookup:
1288  * @internal_free_list:
1289  * @sense: pool of sense
1290  * @sense_dma:
1291  * @sense_dma_pool:
1292  * @reply_depth: hba reply queue depth:
1293  * @reply_sz: per reply frame size:
1294  * @reply: pool of replys:
1295  * @reply_dma:
1296  * @reply_dma_pool:
1297  * @reply_free_queue_depth: reply free depth
1298  * @reply_free: pool for reply free queue (32 bit addr)
1299  * @reply_free_dma:
1300  * @reply_free_dma_pool:
1301  * @reply_free_host_index: tail index in pool to insert free replys
1302  * @reply_post_queue_depth: reply post queue depth
1303  * @reply_post_struct: struct for reply_post_free physical & virt address
1304  * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
1305  * @rdpq_array_enable: rdpq_array support is enabled in the driver
1306  * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
1307  *				is assigned only ones
1308  * @reply_queue_count: number of reply queue's
1309  * @reply_queue_list: link list contaning the reply queue info
1310  * @msix96_vector: 96 MSI-X vector support
1311  * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue
1312  * @delayed_tr_list: target reset link list
1313  * @delayed_tr_volume_list: volume target reset link list
1314  * @delayed_sc_list:
1315  * @delayed_event_ack_list:
1316  * @temp_sensors_count: flag to carry the number of temperature sensors
1317  * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
1318  *	pci resource handling. PCI resource freeing will lead to free
1319  *	vital hardware/memory resource, which might be in use by cli/sysfs
1320  *	path functions resulting in Null pointer reference followed by kernel
1321  *	crash. To avoid the above race condition we use mutex syncrhonization
1322  *	which ensures the syncrhonization between cli/sysfs_show path.
1323  * @atomic_desc_capable: Atomic Request Descriptor support.
1324  * @GET_MSIX_INDEX: Get the msix index of high iops queues.
1325  * @multipath_on_hba: flag to determine multipath on hba is enabled or not
1326  * @port_table_list: list containing HBA's wide/narrow port's info
1327  */
1328 struct MPT3SAS_ADAPTER {
1329 	struct list_head list;
1330 	struct Scsi_Host *shost;
1331 	u8		id;
1332 	int		cpu_count;
1333 	char		name[MPT_NAME_LENGTH];
1334 	char		driver_name[MPT_NAME_LENGTH - 8];
1335 	char		tmp_string[MPT_STRING_LENGTH];
1336 	struct pci_dev	*pdev;
1337 	Mpi2SystemInterfaceRegs_t __iomem *chip;
1338 	phys_addr_t	chip_phys;
1339 	int		logging_level;
1340 	int		fwfault_debug;
1341 	u8		ir_firmware;
1342 	int		bars;
1343 	u8		mask_interrupts;
1344 
1345 	/* fw fault handler */
1346 	char		fault_reset_work_q_name[20];
1347 	struct workqueue_struct *fault_reset_work_q;
1348 	struct delayed_work fault_reset_work;
1349 
1350 	/* fw event handler */
1351 	char		firmware_event_name[20];
1352 	struct workqueue_struct	*firmware_event_thread;
1353 	spinlock_t	fw_event_lock;
1354 	struct list_head fw_event_list;
1355 	struct fw_event_work	*current_event;
1356 	u8		fw_events_cleanup;
1357 
1358 	 /* misc flags */
1359 	int		aen_event_read_flag;
1360 	u8		broadcast_aen_busy;
1361 	u16		broadcast_aen_pending;
1362 	u8		shost_recovery;
1363 	u8		got_task_abort_from_ioctl;
1364 
1365 	struct mutex	reset_in_progress_mutex;
1366 	spinlock_t	ioc_reset_in_progress_lock;
1367 	u8		ioc_link_reset_in_progress;
1368 
1369 	u8		ignore_loginfos;
1370 	u8		remove_host;
1371 	u8		pci_error_recovery;
1372 	u8		wait_for_discovery_to_complete;
1373 	u8		is_driver_loading;
1374 	u8		port_enable_failed;
1375 	u8		start_scan;
1376 	u16		start_scan_failed;
1377 
1378 	u8		msix_enable;
1379 	u16		msix_vector_count;
1380 	u8		*cpu_msix_table;
1381 	u16		cpu_msix_table_sz;
1382 	resource_size_t __iomem **reply_post_host_index;
1383 	u32		ioc_reset_count;
1384 	MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
1385 	u32             non_operational_loop;
1386 	u8              ioc_coredump_loop;
1387 	u32		timestamp_update_count;
1388 	u32		time_sync_interval;
1389 	atomic64_t      total_io_cnt;
1390 	atomic64_t	high_iops_outstanding;
1391 	bool            msix_load_balance;
1392 	u16		thresh_hold;
1393 	u8		high_iops_queues;
1394 	u8		iopoll_q_start_index;
1395 	u32             drv_internal_flags;
1396 	u32		drv_support_bitmap;
1397 	u32             dma_mask;
1398 	bool		enable_sdev_max_qd;
1399 	bool		use_32bit_dma;
1400 	struct io_uring_poll_queue *io_uring_poll_queues;
1401 
1402 	/* internal commands, callback index */
1403 	u8		scsi_io_cb_idx;
1404 	u8		tm_cb_idx;
1405 	u8		transport_cb_idx;
1406 	u8		scsih_cb_idx;
1407 	u8		ctl_cb_idx;
1408 	u8		base_cb_idx;
1409 	u8		port_enable_cb_idx;
1410 	u8		config_cb_idx;
1411 	u8		tm_tr_cb_idx;
1412 	u8		tm_tr_volume_cb_idx;
1413 	u8		tm_sas_control_cb_idx;
1414 	struct _internal_cmd base_cmds;
1415 	struct _internal_cmd port_enable_cmds;
1416 	struct _internal_cmd transport_cmds;
1417 	struct _internal_cmd scsih_cmds;
1418 	struct _internal_cmd tm_cmds;
1419 	struct _internal_cmd ctl_cmds;
1420 	struct _internal_cmd config_cmds;
1421 
1422 	MPT_ADD_SGE	base_add_sg_single;
1423 
1424 	/* function ptr for either IEEE or MPI sg elements */
1425 	MPT_BUILD_SG_SCMD build_sg_scmd;
1426 	MPT_BUILD_SG    build_sg;
1427 	MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
1428 	u16             sge_size_ieee;
1429 	u16		hba_mpi_version_belonged;
1430 
1431 	/* function ptr for MPI sg elements only */
1432 	MPT_BUILD_SG    build_sg_mpi;
1433 	MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
1434 
1435 	/* function ptr for NVMe PRP elements only */
1436 	NVME_BUILD_PRP  build_nvme_prp;
1437 
1438 	/* event log */
1439 	u32		event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1440 	u32		event_context;
1441 	void		*event_log;
1442 	u32		event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1443 
1444 	u8		tm_custom_handling;
1445 	u8		nvme_abort_timeout;
1446 	u16		max_shutdown_latency;
1447 	u16		max_wideport_qd;
1448 	u16		max_narrowport_qd;
1449 	u16		max_nvme_qd;
1450 	u8		max_sata_qd;
1451 
1452 	/* static config pages */
1453 	struct mpt3sas_facts facts;
1454 	struct mpt3sas_facts prev_fw_facts;
1455 	struct mpt3sas_port_facts *pfacts;
1456 	Mpi2ManufacturingPage0_t manu_pg0;
1457 	struct Mpi2ManufacturingPage10_t manu_pg10;
1458 	struct Mpi2ManufacturingPage11_t manu_pg11;
1459 	Mpi2BiosPage2_t	bios_pg2;
1460 	Mpi2BiosPage3_t	bios_pg3;
1461 	Mpi2IOCPage8_t ioc_pg8;
1462 	Mpi2IOUnitPage0_t iounit_pg0;
1463 	Mpi2IOUnitPage1_t iounit_pg1;
1464 	Mpi2IOUnitPage8_t iounit_pg8;
1465 	Mpi2IOCPage1_t	ioc_pg1_copy;
1466 
1467 	struct _boot_device req_boot_device;
1468 	struct _boot_device req_alt_boot_device;
1469 	struct _boot_device current_boot_device;
1470 
1471 	/* sas hba, expander, and device list */
1472 	struct _sas_node sas_hba;
1473 	struct list_head sas_expander_list;
1474 	struct list_head enclosure_list;
1475 	spinlock_t	sas_node_lock;
1476 	struct list_head sas_device_list;
1477 	struct list_head sas_device_init_list;
1478 	spinlock_t	sas_device_lock;
1479 	struct list_head pcie_device_list;
1480 	struct list_head pcie_device_init_list;
1481 	spinlock_t      pcie_device_lock;
1482 
1483 	struct list_head raid_device_list;
1484 	spinlock_t	raid_device_lock;
1485 	u8		io_missing_delay;
1486 	u16		device_missing_delay;
1487 	int		sas_id;
1488 	int		pcie_target_id;
1489 
1490 	void		*blocking_handles;
1491 	void		*pd_handles;
1492 	u16		pd_handles_sz;
1493 
1494 	void		*pend_os_device_add;
1495 	u16		pend_os_device_add_sz;
1496 
1497 	/* config page */
1498 	u16		config_page_sz;
1499 	void		*config_page;
1500 	dma_addr_t	config_page_dma;
1501 	void		*config_vaddr;
1502 
1503 	/* scsiio request */
1504 	u16		hba_queue_depth;
1505 	u16		sge_size;
1506 	u16		scsiio_depth;
1507 	u16		request_sz;
1508 	u8		*request;
1509 	dma_addr_t	request_dma;
1510 	u32		request_dma_sz;
1511 	struct pcie_sg_list *pcie_sg_lookup;
1512 	spinlock_t	scsi_lookup_lock;
1513 	int		pending_io_count;
1514 	wait_queue_head_t reset_wq;
1515 	u16		*io_queue_num;
1516 
1517 	/* PCIe SGL */
1518 	struct dma_pool *pcie_sgl_dma_pool;
1519 	/* Host Page Size */
1520 	u32		page_size;
1521 
1522 	/* chain */
1523 	struct chain_lookup *chain_lookup;
1524 	struct list_head free_chain_list;
1525 	struct dma_pool *chain_dma_pool;
1526 	ulong		chain_pages;
1527 	u16		max_sges_in_main_message;
1528 	u16		max_sges_in_chain_message;
1529 	u16		chains_needed_per_io;
1530 	u32		chain_depth;
1531 	u16		chain_segment_sz;
1532 	u16		chains_per_prp_buffer;
1533 
1534 	/* hi-priority queue */
1535 	u16		hi_priority_smid;
1536 	u8		*hi_priority;
1537 	dma_addr_t	hi_priority_dma;
1538 	u16		hi_priority_depth;
1539 	struct request_tracker *hpr_lookup;
1540 	struct list_head hpr_free_list;
1541 
1542 	/* internal queue */
1543 	u16		internal_smid;
1544 	u8		*internal;
1545 	dma_addr_t	internal_dma;
1546 	u16		internal_depth;
1547 	struct request_tracker *internal_lookup;
1548 	struct list_head internal_free_list;
1549 
1550 	/* sense */
1551 	u8		*sense;
1552 	dma_addr_t	sense_dma;
1553 	struct dma_pool *sense_dma_pool;
1554 
1555 	/* reply */
1556 	u16		reply_sz;
1557 	u8		*reply;
1558 	dma_addr_t	reply_dma;
1559 	u32		reply_dma_max_address;
1560 	u32		reply_dma_min_address;
1561 	struct dma_pool *reply_dma_pool;
1562 
1563 	/* reply free queue */
1564 	u16		reply_free_queue_depth;
1565 	__le32		*reply_free;
1566 	dma_addr_t	reply_free_dma;
1567 	struct dma_pool *reply_free_dma_pool;
1568 	u32		reply_free_host_index;
1569 
1570 	/* reply post queue */
1571 	u16		reply_post_queue_depth;
1572 	struct reply_post_struct *reply_post;
1573 	u8		rdpq_array_capable;
1574 	u8		rdpq_array_enable;
1575 	u8		rdpq_array_enable_assigned;
1576 	struct dma_pool *reply_post_free_dma_pool;
1577 	struct dma_pool *reply_post_free_array_dma_pool;
1578 	Mpi2IOCInitRDPQArrayEntry *reply_post_free_array;
1579 	dma_addr_t reply_post_free_array_dma;
1580 	u8		reply_queue_count;
1581 	struct list_head reply_queue_list;
1582 
1583 	u8		combined_reply_queue;
1584 	u8		combined_reply_index_count;
1585 	u8		smp_affinity_enable;
1586 	/* reply post register index */
1587 	resource_size_t	**replyPostRegisterIndex;
1588 
1589 	struct list_head delayed_tr_list;
1590 	struct list_head delayed_tr_volume_list;
1591 	struct list_head delayed_sc_list;
1592 	struct list_head delayed_event_ack_list;
1593 	u8		temp_sensors_count;
1594 	struct mutex pci_access_mutex;
1595 
1596 	/* diag buffer support */
1597 	u8		*diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1598 	u32		diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1599 	dma_addr_t	diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1600 	u8		diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1601 	u32		unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1602 	u32		product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1603 	u32		diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1604 	u32		ring_buffer_offset;
1605 	u32		ring_buffer_sz;
1606 	struct htb_rel_query htb_rel;
1607 	u8 reset_from_user;
1608 	u8		is_warpdrive;
1609 	u8		is_mcpu_endpoint;
1610 	u8		hide_ir_msg;
1611 	u8		mfg_pg10_hide_flag;
1612 	u8		hide_drives;
1613 	spinlock_t	diag_trigger_lock;
1614 	u8		diag_trigger_active;
1615 	u8		atomic_desc_capable;
1616 	BASE_READ_REG	base_readl;
1617 	struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
1618 	struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
1619 	struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
1620 	struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
1621 	u8		supports_trigger_pages;
1622 	void		*device_remove_in_progress;
1623 	u16		device_remove_in_progress_sz;
1624 	u8		is_gen35_ioc;
1625 	u8		is_aero_ioc;
1626 	struct dentry	*debugfs_root;
1627 	struct dentry	*ioc_dump;
1628 	PUT_SMID_IO_FP_HIP put_smid_scsi_io;
1629 	PUT_SMID_IO_FP_HIP put_smid_fast_path;
1630 	PUT_SMID_IO_FP_HIP put_smid_hi_priority;
1631 	PUT_SMID_DEFAULT put_smid_default;
1632 	GET_MSIX_INDEX get_msix_index_for_smlio;
1633 
1634 	u8		multipath_on_hba;
1635 	struct list_head port_table_list;
1636 };
1637 
1638 struct mpt3sas_debugfs_buffer {
1639 	void	*buf;
1640 	u32	len;
1641 };
1642 
1643 #define MPT_DRV_SUPPORT_BITMAP_MEMMOVE 0x00000001
1644 #define MPT_DRV_SUPPORT_BITMAP_ADDNLQUERY	0x00000002
1645 
1646 #define MPT_DRV_INTERNAL_FIRST_PE_ISSUED		0x00000001
1647 
1648 typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1649 	u32 reply);
1650 
1651 
1652 /* base shared API */
1653 extern struct list_head mpt3sas_ioc_list;
1654 extern char    driver_name[MPT_NAME_LENGTH];
1655 /* spinlock on list operations over IOCs
1656  * Case: when multiple warpdrive cards(IOCs) are in use
1657  * Each IOC will added to the ioc list structure on initialization.
1658  * Watchdog threads run at regular intervals to check IOC for any
1659  * fault conditions which will trigger the dead_ioc thread to
1660  * deallocate pci resource, resulting deleting the IOC netry from list,
1661  * this deletion need to protected by spinlock to enusre that
1662  * ioc removal is syncrhonized, if not synchronized it might lead to
1663  * list_del corruption as the ioc list is traversed in cli path.
1664  */
1665 extern spinlock_t gioc_lock;
1666 
1667 void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
1668 void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
1669 
1670 int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
1671 void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
1672 int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
1673 void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
1674 void mpt3sas_free_enclosure_list(struct MPT3SAS_ADAPTER *ioc);
1675 int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
1676 	enum reset_type type);
1677 
1678 void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1679 void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1680 __le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
1681 	u16 smid);
1682 void *mpt3sas_base_get_pcie_sgl(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1683 dma_addr_t mpt3sas_base_get_pcie_sgl_dma(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1684 void mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc, u8 poll);
1685 void mpt3sas_base_mask_interrupts(struct MPT3SAS_ADAPTER *ioc);
1686 void mpt3sas_base_unmask_interrupts(struct MPT3SAS_ADAPTER *ioc);
1687 
1688 void mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1689 	u16 handle);
1690 void mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1691 	u16 msix_task);
1692 void mpt3sas_base_put_smid_nvme_encap(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1693 void mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1694 /* hi-priority queue */
1695 u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1696 u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
1697 		struct scsi_cmnd *scmd);
1698 void mpt3sas_base_clear_st(struct MPT3SAS_ADAPTER *ioc,
1699 		struct scsiio_tracker *st);
1700 
1701 u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1702 void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1703 void mpt3sas_base_initialize_callback_handler(void);
1704 u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1705 void mpt3sas_base_release_callback_handler(u8 cb_idx);
1706 
1707 u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1708 	u32 reply);
1709 u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1710 	u8 msix_index, u32 reply);
1711 void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
1712 	u32 phys_addr);
1713 
1714 u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
1715 
1716 void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
1717 #define mpt3sas_print_fault_code(ioc, fault_code) \
1718 do { pr_err("%s fault info from func: %s\n", ioc->name, __func__); \
1719 	mpt3sas_base_fault_info(ioc, fault_code); } while (0)
1720 
1721 void mpt3sas_base_coredump_info(struct MPT3SAS_ADAPTER *ioc, u16 fault_code);
1722 #define mpt3sas_print_coredump_info(ioc, fault_code) \
1723 do { pr_err("%s fault info from func: %s\n", ioc->name, __func__); \
1724 	mpt3sas_base_coredump_info(ioc, fault_code); } while (0)
1725 
1726 int mpt3sas_base_wait_for_coredump_completion(struct MPT3SAS_ADAPTER *ioc,
1727 		const char *caller);
1728 int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
1729 	Mpi2SasIoUnitControlReply_t *mpi_reply,
1730 	Mpi2SasIoUnitControlRequest_t *mpi_request);
1731 int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
1732 	Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1733 
1734 void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
1735 	u32 *event_type);
1736 
1737 void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
1738 
1739 void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
1740 	u16 device_missing_delay, u8 io_missing_delay);
1741 
1742 int mpt3sas_base_check_for_fault_and_issue_reset(
1743 	struct MPT3SAS_ADAPTER *ioc);
1744 
1745 int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
1746 
1747 void
1748 mpt3sas_wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc);
1749 
1750 u8 mpt3sas_base_check_cmd_timeout(struct MPT3SAS_ADAPTER *ioc,
1751 	u8 status, void *mpi_request, int sz);
1752 #define mpt3sas_check_cmd_timeout(ioc, status, mpi_request, sz, issue_reset) \
1753 do {	ioc_err(ioc, "In func: %s\n", __func__); \
1754 	issue_reset = mpt3sas_base_check_cmd_timeout(ioc, \
1755 	status, mpi_request, sz); } while (0)
1756 
1757 int mpt3sas_wait_for_ioc(struct MPT3SAS_ADAPTER *ioc, int wait_count);
1758 int mpt3sas_base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, enum reset_type type);
1759 void mpt3sas_base_free_irq(struct MPT3SAS_ADAPTER *ioc);
1760 void mpt3sas_base_disable_msix(struct MPT3SAS_ADAPTER *ioc);
1761 int mpt3sas_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num);
1762 void mpt3sas_base_pause_mq_polling(struct MPT3SAS_ADAPTER *ioc);
1763 void mpt3sas_base_resume_mq_polling(struct MPT3SAS_ADAPTER *ioc);
1764 
1765 /* scsih shared API */
1766 struct scsi_cmnd *mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc,
1767 	u16 smid);
1768 u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
1769 	u32 reply);
1770 void mpt3sas_scsih_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1771 void mpt3sas_scsih_clear_outstanding_scsi_tm_commands(
1772 	struct MPT3SAS_ADAPTER *ioc);
1773 void mpt3sas_scsih_reset_done_handler(struct MPT3SAS_ADAPTER *ioc);
1774 
1775 int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1776 	uint channel, uint id, u64 lun, u8 type, u16 smid_task,
1777 	u16 msix_task, u8 timeout, u8 tr_method);
1778 int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1779 	uint channel, uint id, u64 lun, u8 type, u16 smid_task,
1780 	u16 msix_task, u8 timeout, u8 tr_method);
1781 
1782 void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1783 void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1784 void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1785 	struct hba_port *port);
1786 void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1787 	u64 sas_address, struct hba_port *port);
1788 u8 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc,
1789 	u16 smid);
1790 struct hba_port *
1791 mpt3sas_get_port_by_id(struct MPT3SAS_ADAPTER *ioc, u8 port,
1792 	u8 bypass_dirty_port_flag);
1793 
1794 struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1795 	struct MPT3SAS_ADAPTER *ioc, u16 handle);
1796 struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1797 	struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1798 	struct hba_port *port);
1799 struct _sas_device *mpt3sas_get_sdev_by_addr(
1800 	 struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1801 	 struct hba_port *port);
1802 struct _sas_device *__mpt3sas_get_sdev_by_addr(
1803 	 struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1804 	 struct hba_port *port);
1805 struct _sas_device *mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1806 	u16 handle);
1807 struct _pcie_device *mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1808 	u16 handle);
1809 
1810 void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
1811 struct _raid_device *
1812 mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1813 void mpt3sas_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth);
1814 struct _sas_device *
1815 __mpt3sas_get_sdev_by_rphy(struct MPT3SAS_ADAPTER *ioc, struct sas_rphy *rphy);
1816 struct virtual_phy *
1817 mpt3sas_get_vphy_by_phy(struct MPT3SAS_ADAPTER *ioc,
1818 	struct hba_port *port, u32 phy);
1819 
1820 /* config shared API */
1821 u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1822 	u32 reply);
1823 int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1824 	u8 *num_phys);
1825 int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1826 	Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1827 int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1828 	Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1829 	u16 sz);
1830 int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1831 	Mpi2ConfigReply_t *mpi_reply,
1832 	struct Mpi2ManufacturingPage10_t *config_page);
1833 
1834 int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1835 	Mpi2ConfigReply_t *mpi_reply,
1836 	struct Mpi2ManufacturingPage11_t  *config_page);
1837 int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1838 	Mpi2ConfigReply_t *mpi_reply,
1839 	struct Mpi2ManufacturingPage11_t *config_page);
1840 
1841 int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1842 	*mpi_reply, Mpi2BiosPage2_t *config_page);
1843 int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1844 	*mpi_reply, Mpi2BiosPage3_t *config_page);
1845 int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1846 	*mpi_reply, Mpi2IOUnitPage0_t *config_page);
1847 int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1848 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1849 	u32 form, u32 handle);
1850 int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1851 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1852 	u32 form, u32 handle);
1853 int mpt3sas_config_get_pcie_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1854 	Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage0_t *config_page,
1855 	u32 form, u32 handle);
1856 int mpt3sas_config_get_pcie_device_pg2(struct MPT3SAS_ADAPTER *ioc,
1857 	Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage2_t *config_page,
1858 	u32 form, u32 handle);
1859 int mpt3sas_config_get_pcie_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1860 	Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeIOUnitPage1_t *config_page,
1861 	u16 sz);
1862 int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1863 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1864 	u16 sz);
1865 int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1866 	*mpi_reply, Mpi2IOUnitPage1_t *config_page);
1867 int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc,
1868 	Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
1869 int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1870 	*mpi_reply, Mpi2IOUnitPage1_t *config_page);
1871 int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1872 	*mpi_reply, Mpi2IOUnitPage8_t *config_page);
1873 int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1874 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1875 	u16 sz);
1876 int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1877 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1878 	u16 sz);
1879 int mpt3sas_config_get_ioc_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1880 	*mpi_reply, Mpi2IOCPage1_t *config_page);
1881 int mpt3sas_config_set_ioc_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1882 	*mpi_reply, Mpi2IOCPage1_t *config_page);
1883 int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1884 	*mpi_reply, Mpi2IOCPage8_t *config_page);
1885 int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1886 	Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1887 	u32 form, u32 handle);
1888 int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1889 	Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1890 	u32 phy_number, u16 handle);
1891 int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1892 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1893 	u32 form, u32 handle);
1894 int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1895 	*mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1896 int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1897 	*mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1898 int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1899 	Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1900 	u32 handle);
1901 int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1902 	u8 *num_pds);
1903 int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1904 	Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1905 	u32 handle, u16 sz);
1906 int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1907 	Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1908 	u32 form, u32 form_specific);
1909 int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1910 	u16 *volume_handle);
1911 int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1912 	u16 volume_handle, u64 *wwid);
1913 int
1914 mpt3sas_config_get_driver_trigger_pg0(struct MPT3SAS_ADAPTER *ioc,
1915 	Mpi2ConfigReply_t *mpi_reply, Mpi26DriverTriggerPage0_t *config_page);
1916 int
1917 mpt3sas_config_get_driver_trigger_pg1(struct MPT3SAS_ADAPTER *ioc,
1918 	Mpi2ConfigReply_t *mpi_reply, Mpi26DriverTriggerPage1_t *config_page);
1919 int
1920 mpt3sas_config_get_driver_trigger_pg2(struct MPT3SAS_ADAPTER *ioc,
1921 	Mpi2ConfigReply_t *mpi_reply, Mpi26DriverTriggerPage2_t *config_page);
1922 int
1923 mpt3sas_config_get_driver_trigger_pg3(struct MPT3SAS_ADAPTER *ioc,
1924 	Mpi2ConfigReply_t *mpi_reply, Mpi26DriverTriggerPage3_t *config_page);
1925 int
1926 mpt3sas_config_get_driver_trigger_pg4(struct MPT3SAS_ADAPTER *ioc,
1927 	Mpi2ConfigReply_t *mpi_reply, Mpi26DriverTriggerPage4_t *config_page);
1928 int
1929 mpt3sas_config_update_driver_trigger_pg1(struct MPT3SAS_ADAPTER *ioc,
1930 	struct SL_WH_MASTER_TRIGGER_T *master_tg, bool set);
1931 int
1932 mpt3sas_config_update_driver_trigger_pg2(struct MPT3SAS_ADAPTER *ioc,
1933 	struct SL_WH_EVENT_TRIGGERS_T *event_tg, bool set);
1934 int
1935 mpt3sas_config_update_driver_trigger_pg3(struct MPT3SAS_ADAPTER *ioc,
1936 	struct SL_WH_SCSI_TRIGGERS_T *scsi_tg, bool set);
1937 int
1938 mpt3sas_config_update_driver_trigger_pg4(struct MPT3SAS_ADAPTER *ioc,
1939 	struct SL_WH_MPI_TRIGGERS_T *mpi_tg, bool set);
1940 
1941 /* ctl shared API */
1942 extern struct device_attribute *mpt3sas_host_attrs[];
1943 extern struct device_attribute *mpt3sas_dev_attrs[];
1944 void mpt3sas_ctl_init(ushort hbas_to_enumerate);
1945 void mpt3sas_ctl_exit(ushort hbas_to_enumerate);
1946 u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1947 	u32 reply);
1948 void mpt3sas_ctl_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1949 void mpt3sas_ctl_clear_outstanding_ioctls(struct MPT3SAS_ADAPTER *ioc);
1950 void mpt3sas_ctl_reset_done_handler(struct MPT3SAS_ADAPTER *ioc);
1951 u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1952 	u8 msix_index, u32 reply);
1953 void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1954 	Mpi2EventNotificationReply_t *mpi_reply);
1955 
1956 void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1957 	u8 bits_to_register);
1958 int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1959 	u8 *issue_reset);
1960 
1961 /* transport shared API */
1962 extern struct scsi_transport_template *mpt3sas_transport_template;
1963 u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1964 	u32 reply);
1965 struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
1966 	u16 handle, u64 sas_address, struct hba_port *port);
1967 void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1968 	u64 sas_address_parent, struct hba_port *port);
1969 int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
1970 	*mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1971 int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
1972 	struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
1973 	struct device *parent_dev);
1974 void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
1975 	u64 sas_address, u16 handle, u8 phy_number, u8 link_rate,
1976 	struct hba_port *port);
1977 extern struct sas_function_template mpt3sas_transport_functions;
1978 extern struct scsi_transport_template *mpt3sas_transport_template;
1979 void
1980 mpt3sas_transport_del_phy_from_an_existing_port(struct MPT3SAS_ADAPTER *ioc,
1981 	struct _sas_node *sas_node, struct _sas_phy *mpt3sas_phy);
1982 void
1983 mpt3sas_transport_add_phy_to_an_existing_port(struct MPT3SAS_ADAPTER *ioc,
1984 	struct _sas_node *sas_node, struct _sas_phy *mpt3sas_phy,
1985 	u64 sas_address, struct hba_port *port);
1986 /* trigger data externs */
1987 void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
1988 	struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1989 void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
1990 	struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1991 void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
1992 	u32 trigger_bitmask);
1993 void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
1994 	u16 log_entry_qualifier);
1995 void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
1996 	u8 asc, u8 ascq);
1997 void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
1998 	u32 loginfo);
1999 
2000 /* warpdrive APIs */
2001 u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc);
2002 void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc,
2003 	struct _raid_device *raid_device);
2004 void
2005 mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
2006 	struct _raid_device *raid_device, Mpi25SCSIIORequest_t *mpi_request);
2007 
2008 /* NCQ Prio Handling Check */
2009 bool scsih_ncq_prio_supp(struct scsi_device *sdev);
2010 
2011 void mpt3sas_setup_debugfs(struct MPT3SAS_ADAPTER *ioc);
2012 void mpt3sas_destroy_debugfs(struct MPT3SAS_ADAPTER *ioc);
2013 void mpt3sas_init_debugfs(void);
2014 void mpt3sas_exit_debugfs(void);
2015 
2016 /**
2017  * _scsih_is_pcie_scsi_device - determines if device is an pcie scsi device
2018  * @device_info: bitfield providing information about the device.
2019  * Context: none
2020  *
2021  * Returns 1 if scsi device.
2022  */
2023 static inline int
2024 mpt3sas_scsih_is_pcie_scsi_device(u32 device_info)
2025 {
2026 	if ((device_info &
2027 	    MPI26_PCIE_DEVINFO_MASK_DEVICE_TYPE) == MPI26_PCIE_DEVINFO_SCSI)
2028 		return 1;
2029 	else
2030 		return 0;
2031 }
2032 #endif /* MPT3SAS_BASE_H_INCLUDED */
2033