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 
75 /* driver versioning info */
76 #define MPT3SAS_DRIVER_NAME		"mpt3sas"
77 #define MPT3SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>"
78 #define MPT3SAS_DESCRIPTION	"LSI MPT Fusion SAS 3.0 Device Driver"
79 #define MPT3SAS_DRIVER_VERSION		"34.100.00.00"
80 #define MPT3SAS_MAJOR_VERSION		34
81 #define MPT3SAS_MINOR_VERSION		100
82 #define MPT3SAS_BUILD_VERSION		0
83 #define MPT3SAS_RELEASE_VERSION	00
84 
85 #define MPT2SAS_DRIVER_NAME		"mpt2sas"
86 #define MPT2SAS_DESCRIPTION	"LSI MPT Fusion SAS 2.0 Device Driver"
87 #define MPT2SAS_DRIVER_VERSION		"20.102.00.00"
88 #define MPT2SAS_MAJOR_VERSION		20
89 #define MPT2SAS_MINOR_VERSION		102
90 #define MPT2SAS_BUILD_VERSION		0
91 #define MPT2SAS_RELEASE_VERSION	00
92 
93 /* CoreDump: Default timeout */
94 #define MPT3SAS_DEFAULT_COREDUMP_TIMEOUT_SECONDS	(15) /*15 seconds*/
95 #define MPT3SAS_COREDUMP_LOOP_DONE                     (0xFF)
96 
97 /*
98  * Set MPT3SAS_SG_DEPTH value based on user input.
99  */
100 #define MPT_MAX_PHYS_SEGMENTS	SG_CHUNK_SIZE
101 #define MPT_MIN_PHYS_SEGMENTS	16
102 #define MPT_KDUMP_MIN_PHYS_SEGMENTS	32
103 
104 #define MCPU_MAX_CHAINS_PER_IO	3
105 
106 #ifdef CONFIG_SCSI_MPT3SAS_MAX_SGE
107 #define MPT3SAS_SG_DEPTH		CONFIG_SCSI_MPT3SAS_MAX_SGE
108 #else
109 #define MPT3SAS_SG_DEPTH		MPT_MAX_PHYS_SEGMENTS
110 #endif
111 
112 #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
113 #define MPT2SAS_SG_DEPTH		CONFIG_SCSI_MPT2SAS_MAX_SGE
114 #else
115 #define MPT2SAS_SG_DEPTH		MPT_MAX_PHYS_SEGMENTS
116 #endif
117 
118 /*
119  * Generic Defines
120  */
121 #define MPT3SAS_SATA_QUEUE_DEPTH	32
122 #define MPT3SAS_SAS_QUEUE_DEPTH		254
123 #define MPT3SAS_RAID_QUEUE_DEPTH	128
124 #define MPT3SAS_KDUMP_SCSI_IO_DEPTH	200
125 
126 #define MPT3SAS_RAID_MAX_SECTORS	8192
127 #define MPT3SAS_HOST_PAGE_SIZE_4K	12
128 #define MPT3SAS_NVME_QUEUE_DEPTH	128
129 #define MPT_NAME_LENGTH			32	/* generic length of strings */
130 #define MPT_STRING_LENGTH		64
131 #define MPI_FRAME_START_OFFSET		256
132 #define REPLY_FREE_POOL_SIZE		512 /*(32 maxcredix *4)*(4 times)*/
133 
134 #define MPT_MAX_CALLBACKS		32
135 
136 #define INTERNAL_CMDS_COUNT		10	/* reserved cmds */
137 /* reserved for issuing internally framed scsi io cmds */
138 #define INTERNAL_SCSIIO_CMDS_COUNT	3
139 
140 #define MPI3_HIM_MASK			0xFFFFFFFF /* mask every bit*/
141 
142 #define MPT3SAS_INVALID_DEVICE_HANDLE	0xFFFF
143 
144 #define MAX_CHAIN_ELEMT_SZ		16
145 #define DEFAULT_NUM_FWCHAIN_ELEMTS	8
146 
147 #define IO_UNIT_CONTROL_SHUTDOWN_TIMEOUT 6
148 #define FW_IMG_HDR_READ_TIMEOUT	15
149 
150 #define IOC_OPERATIONAL_WAIT_COUNT	10
151 
152 /*
153  * NVMe defines
154  */
155 #define	NVME_PRP_SIZE			8	/* PRP size */
156 #define	NVME_ERROR_RESPONSE_SIZE	16	/* Max NVME Error Response */
157 #define NVME_TASK_ABORT_MIN_TIMEOUT	6
158 #define NVME_TASK_ABORT_MAX_TIMEOUT	60
159 #define NVME_TASK_MNGT_CUSTOM_MASK	(0x0010)
160 #define	NVME_PRP_PAGE_SIZE		4096	/* Page size */
161 
162 struct mpt3sas_nvme_cmd {
163 	u8	rsvd[24];
164 	__le64	prp1;
165 	__le64	prp2;
166 };
167 
168 /*
169  * logging format
170  */
171 #define ioc_err(ioc, fmt, ...)						\
172 	pr_err("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
173 #define ioc_notice(ioc, fmt, ...)					\
174 	pr_notice("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
175 #define ioc_warn(ioc, fmt, ...)						\
176 	pr_warn("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
177 #define ioc_info(ioc, fmt, ...)						\
178 	pr_info("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
179 
180 /*
181  *  WarpDrive Specific Log codes
182  */
183 
184 #define MPT2_WARPDRIVE_LOGENTRY		(0x8002)
185 #define MPT2_WARPDRIVE_LC_SSDT			(0x41)
186 #define MPT2_WARPDRIVE_LC_SSDLW		(0x43)
187 #define MPT2_WARPDRIVE_LC_SSDLF		(0x44)
188 #define MPT2_WARPDRIVE_LC_BRMF			(0x4D)
189 
190 /*
191  * per target private data
192  */
193 #define MPT_TARGET_FLAGS_RAID_COMPONENT	0x01
194 #define MPT_TARGET_FLAGS_VOLUME		0x02
195 #define MPT_TARGET_FLAGS_DELETED	0x04
196 #define MPT_TARGET_FASTPATH_IO		0x08
197 #define MPT_TARGET_FLAGS_PCIE_DEVICE	0x10
198 
199 #define SAS2_PCI_DEVICE_B0_REVISION	(0x01)
200 #define SAS3_PCI_DEVICE_C0_REVISION	(0x02)
201 
202 /* Atlas PCIe Switch Management Port */
203 #define MPI26_ATLAS_PCIe_SWITCH_DEVID	(0x00B2)
204 
205 /*
206  * Intel HBA branding
207  */
208 #define MPT2SAS_INTEL_RMS25JB080_BRANDING    \
209 	"Intel(R) Integrated RAID Module RMS25JB080"
210 #define MPT2SAS_INTEL_RMS25JB040_BRANDING    \
211 	"Intel(R) Integrated RAID Module RMS25JB040"
212 #define MPT2SAS_INTEL_RMS25KB080_BRANDING    \
213 	"Intel(R) Integrated RAID Module RMS25KB080"
214 #define MPT2SAS_INTEL_RMS25KB040_BRANDING    \
215 	"Intel(R) Integrated RAID Module RMS25KB040"
216 #define MPT2SAS_INTEL_RMS25LB040_BRANDING	\
217 	"Intel(R) Integrated RAID Module RMS25LB040"
218 #define MPT2SAS_INTEL_RMS25LB080_BRANDING	\
219 	"Intel(R) Integrated RAID Module RMS25LB080"
220 #define MPT2SAS_INTEL_RMS2LL080_BRANDING	\
221 	"Intel Integrated RAID Module RMS2LL080"
222 #define MPT2SAS_INTEL_RMS2LL040_BRANDING	\
223 	"Intel Integrated RAID Module RMS2LL040"
224 #define MPT2SAS_INTEL_RS25GB008_BRANDING       \
225 	"Intel(R) RAID Controller RS25GB008"
226 #define MPT2SAS_INTEL_SSD910_BRANDING          \
227 	"Intel(R) SSD 910 Series"
228 
229 #define MPT3SAS_INTEL_RMS3JC080_BRANDING       \
230 	"Intel(R) Integrated RAID Module RMS3JC080"
231 #define MPT3SAS_INTEL_RS3GC008_BRANDING       \
232 	"Intel(R) RAID Controller RS3GC008"
233 #define MPT3SAS_INTEL_RS3FC044_BRANDING       \
234 	"Intel(R) RAID Controller RS3FC044"
235 #define MPT3SAS_INTEL_RS3UC080_BRANDING       \
236 	"Intel(R) RAID Controller RS3UC080"
237 
238 /*
239  * Intel HBA SSDIDs
240  */
241 #define MPT2SAS_INTEL_RMS25JB080_SSDID		0x3516
242 #define MPT2SAS_INTEL_RMS25JB040_SSDID		0x3517
243 #define MPT2SAS_INTEL_RMS25KB080_SSDID		0x3518
244 #define MPT2SAS_INTEL_RMS25KB040_SSDID		0x3519
245 #define MPT2SAS_INTEL_RMS25LB040_SSDID		0x351A
246 #define MPT2SAS_INTEL_RMS25LB080_SSDID		0x351B
247 #define MPT2SAS_INTEL_RMS2LL080_SSDID		0x350E
248 #define MPT2SAS_INTEL_RMS2LL040_SSDID		0x350F
249 #define MPT2SAS_INTEL_RS25GB008_SSDID		0x3000
250 #define MPT2SAS_INTEL_SSD910_SSDID		0x3700
251 
252 #define MPT3SAS_INTEL_RMS3JC080_SSDID		0x3521
253 #define MPT3SAS_INTEL_RS3GC008_SSDID		0x3522
254 #define MPT3SAS_INTEL_RS3FC044_SSDID		0x3523
255 #define MPT3SAS_INTEL_RS3UC080_SSDID		0x3524
256 
257 /*
258  * Dell HBA branding
259  */
260 #define MPT2SAS_DELL_BRANDING_SIZE                 32
261 
262 #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING        "Dell 6Gbps SAS HBA"
263 #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING    "Dell PERC H200 Adapter"
264 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
265 #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING    "Dell PERC H200 Modular"
266 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING   "Dell PERC H200 Embedded"
267 #define MPT2SAS_DELL_PERC_H200_BRANDING            "Dell PERC H200"
268 #define MPT2SAS_DELL_6GBPS_SAS_BRANDING            "Dell 6Gbps SAS"
269 
270 #define MPT3SAS_DELL_12G_HBA_BRANDING       \
271 	"Dell 12Gbps HBA"
272 
273 /*
274  * Dell HBA SSDIDs
275  */
276 #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID	0x1F1C
277 #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID	0x1F1D
278 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID	0x1F1E
279 #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID	0x1F1F
280 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID	0x1F20
281 #define MPT2SAS_DELL_PERC_H200_SSDID		0x1F21
282 #define MPT2SAS_DELL_6GBPS_SAS_SSDID		0x1F22
283 
284 #define MPT3SAS_DELL_12G_HBA_SSDID		0x1F46
285 
286 /*
287  * Cisco HBA branding
288  */
289 #define MPT3SAS_CISCO_12G_8E_HBA_BRANDING		\
290 	"Cisco 9300-8E 12G SAS HBA"
291 #define MPT3SAS_CISCO_12G_8I_HBA_BRANDING		\
292 	"Cisco 9300-8i 12G SAS HBA"
293 #define MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING	\
294 	"Cisco 12G Modular SAS Pass through Controller"
295 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING		\
296 	"UCS C3X60 12G SAS Pass through Controller"
297 /*
298  * Cisco HBA SSSDIDs
299  */
300 #define MPT3SAS_CISCO_12G_8E_HBA_SSDID  0x14C
301 #define MPT3SAS_CISCO_12G_8I_HBA_SSDID  0x154
302 #define MPT3SAS_CISCO_12G_AVILA_HBA_SSDID  0x155
303 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID  0x156
304 
305 /*
306  * status bits for ioc->diag_buffer_status
307  */
308 #define MPT3_DIAG_BUFFER_IS_REGISTERED	(0x01)
309 #define MPT3_DIAG_BUFFER_IS_RELEASED	(0x02)
310 #define MPT3_DIAG_BUFFER_IS_DIAG_RESET	(0x04)
311 #define MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED (0x08)
312 #define MPT3_DIAG_BUFFER_IS_APP_OWNED (0x10)
313 
314 /*
315  * HP HBA branding
316  */
317 #define MPT2SAS_HP_3PAR_SSVID                0x1590
318 
319 #define MPT2SAS_HP_2_4_INTERNAL_BRANDING	\
320 	"HP H220 Host Bus Adapter"
321 #define MPT2SAS_HP_2_4_EXTERNAL_BRANDING	\
322 	"HP H221 Host Bus Adapter"
323 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING	\
324 	"HP H222 Host Bus Adapter"
325 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING	\
326 	"HP H220i Host Bus Adapter"
327 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING	\
328 	"HP H210i Host Bus Adapter"
329 
330 /*
331  * HO HBA SSDIDs
332  */
333 #define MPT2SAS_HP_2_4_INTERNAL_SSDID			0x0041
334 #define MPT2SAS_HP_2_4_EXTERNAL_SSDID			0x0042
335 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID	0x0043
336 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID		0x0044
337 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID		0x0046
338 
339 /*
340  * Combined Reply Queue constants,
341  * There are twelve Supplemental Reply Post Host Index Registers
342  * and each register is at offset 0x10 bytes from the previous one.
343  */
344 #define MAX_COMBINED_MSIX_VECTORS(gen35) ((gen35 == 1) ? 16 : 8)
345 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3	12
346 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35	16
347 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET	(0x10)
348 
349 /* OEM Identifiers */
350 #define MFG10_OEM_ID_INVALID                   (0x00000000)
351 #define MFG10_OEM_ID_DELL                      (0x00000001)
352 #define MFG10_OEM_ID_FSC                       (0x00000002)
353 #define MFG10_OEM_ID_SUN                       (0x00000003)
354 #define MFG10_OEM_ID_IBM                       (0x00000004)
355 
356 /* GENERIC Flags 0*/
357 #define MFG10_GF0_OCE_DISABLED                 (0x00000001)
358 #define MFG10_GF0_R1E_DRIVE_COUNT              (0x00000002)
359 #define MFG10_GF0_R10_DISPLAY                  (0x00000004)
360 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE       (0x00000008)
361 #define MFG10_GF0_SINGLE_DRIVE_R0              (0x00000010)
362 
363 #define VIRTUAL_IO_FAILED_RETRY			(0x32010081)
364 
365 /* High IOPs definitions */
366 #define MPT3SAS_DEVICE_HIGH_IOPS_DEPTH		8
367 #define MPT3SAS_HIGH_IOPS_REPLY_QUEUES		8
368 #define MPT3SAS_HIGH_IOPS_BATCH_COUNT		16
369 #define MPT3SAS_GEN35_MAX_MSIX_QUEUES		128
370 #define RDPQ_MAX_INDEX_IN_ONE_CHUNK		16
371 
372 /* OEM Specific Flags will come from OEM specific header files */
373 struct Mpi2ManufacturingPage10_t {
374 	MPI2_CONFIG_PAGE_HEADER	Header;		/* 00h */
375 	U8	OEMIdentifier;			/* 04h */
376 	U8	Reserved1;			/* 05h */
377 	U16	Reserved2;			/* 08h */
378 	U32	Reserved3;			/* 0Ch */
379 	U32	GenericFlags0;			/* 10h */
380 	U32	GenericFlags1;			/* 14h */
381 	U32	Reserved4;			/* 18h */
382 	U32	OEMSpecificFlags0;		/* 1Ch */
383 	U32	OEMSpecificFlags1;		/* 20h */
384 	U32	Reserved5[18];			/* 24h - 60h*/
385 };
386 
387 
388 /* Miscellaneous options */
389 struct Mpi2ManufacturingPage11_t {
390 	MPI2_CONFIG_PAGE_HEADER Header;		/* 00h */
391 	__le32	Reserved1;			/* 04h */
392 	u8	Reserved2;			/* 08h */
393 	u8	EEDPTagMode;			/* 09h */
394 	u8	Reserved3;			/* 0Ah */
395 	u8	Reserved4;			/* 0Bh */
396 	__le32	Reserved5[8];			/* 0Ch-2Ch */
397 	u16	AddlFlags2;			/* 2Ch */
398 	u8	AddlFlags3;			/* 2Eh */
399 	u8	Reserved6;			/* 2Fh */
400 	__le32	Reserved7[7];			/* 30h - 4Bh */
401 	u8	NVMeAbortTO;			/* 4Ch */
402 	u8	NumPerDevEvents;		/* 4Dh */
403 	u8	HostTraceBufferDecrementSizeKB;	/* 4Eh */
404 	u8	HostTraceBufferFlags;		/* 4Fh */
405 	u16	HostTraceBufferMaxSizeKB;	/* 50h */
406 	u16	HostTraceBufferMinSizeKB;	/* 52h */
407 	u8	CoreDumpTOSec;			/* 54h */
408 	u8	Reserved8;			/* 55h */
409 	u16	Reserved9;			/* 56h */
410 	__le32	Reserved10;			/* 58h */
411 };
412 
413 /**
414  * struct MPT3SAS_TARGET - starget private hostdata
415  * @starget: starget object
416  * @sas_address: target sas address
417  * @raid_device: raid_device pointer to access volume data
418  * @handle: device handle
419  * @num_luns: number luns
420  * @flags: MPT_TARGET_FLAGS_XXX flags
421  * @deleted: target flaged for deletion
422  * @tm_busy: target is busy with TM request.
423  * @sas_dev: The sas_device associated with this target
424  * @pcie_dev: The pcie device associated with this target
425  */
426 struct MPT3SAS_TARGET {
427 	struct scsi_target *starget;
428 	u64	sas_address;
429 	struct _raid_device *raid_device;
430 	u16	handle;
431 	int	num_luns;
432 	u32	flags;
433 	u8	deleted;
434 	u8	tm_busy;
435 	struct _sas_device *sas_dev;
436 	struct _pcie_device *pcie_dev;
437 };
438 
439 
440 /*
441  * per device private data
442  */
443 #define MPT_DEVICE_FLAGS_INIT		0x01
444 
445 #define MFG_PAGE10_HIDE_SSDS_MASK	(0x00000003)
446 #define MFG_PAGE10_HIDE_ALL_DISKS	(0x00)
447 #define MFG_PAGE10_EXPOSE_ALL_DISKS	(0x01)
448 #define MFG_PAGE10_HIDE_IF_VOL_PRESENT	(0x02)
449 
450 /**
451  * struct MPT3SAS_DEVICE - sdev private hostdata
452  * @sas_target: starget private hostdata
453  * @lun: lun number
454  * @flags: MPT_DEVICE_XXX flags
455  * @configured_lun: lun is configured
456  * @block: device is in SDEV_BLOCK state
457  * @tlr_snoop_check: flag used in determining whether to disable TLR
458  * @eedp_enable: eedp support enable bit
459  * @eedp_type: 0(type_1), 1(type_2), 2(type_3)
460  * @eedp_block_length: block size
461  * @ata_command_pending: SATL passthrough outstanding for device
462  */
463 struct MPT3SAS_DEVICE {
464 	struct MPT3SAS_TARGET *sas_target;
465 	unsigned int	lun;
466 	u32	flags;
467 	u8	configured_lun;
468 	u8	block;
469 	u8	tlr_snoop_check;
470 	u8	ignore_delay_remove;
471 	/* Iopriority Command Handling */
472 	u8	ncq_prio_enable;
473 	/*
474 	 * Bug workaround for SATL handling: the mpt2/3sas firmware
475 	 * doesn't return BUSY or TASK_SET_FULL for subsequent
476 	 * commands while a SATL pass through is in operation as the
477 	 * spec requires, it simply does nothing with them until the
478 	 * pass through completes, causing them possibly to timeout if
479 	 * the passthrough is a long executing command (like format or
480 	 * secure erase).  This variable allows us to do the right
481 	 * thing while a SATL command is pending.
482 	 */
483 	unsigned long ata_command_pending;
484 
485 };
486 
487 #define MPT3_CMD_NOT_USED	0x8000	/* free */
488 #define MPT3_CMD_COMPLETE	0x0001	/* completed */
489 #define MPT3_CMD_PENDING	0x0002	/* pending */
490 #define MPT3_CMD_REPLY_VALID	0x0004	/* reply is valid */
491 #define MPT3_CMD_RESET		0x0008	/* host reset dropped the command */
492 
493 /**
494  * struct _internal_cmd - internal commands struct
495  * @mutex: mutex
496  * @done: completion
497  * @reply: reply message pointer
498  * @sense: sense data
499  * @status: MPT3_CMD_XXX status
500  * @smid: system message id
501  */
502 struct _internal_cmd {
503 	struct mutex mutex;
504 	struct completion done;
505 	void	*reply;
506 	void	*sense;
507 	u16	status;
508 	u16	smid;
509 };
510 
511 
512 
513 /**
514  * struct _sas_device - attached device information
515  * @list: sas device list
516  * @starget: starget object
517  * @sas_address: device sas address
518  * @device_name: retrieved from the SAS IDENTIFY frame.
519  * @handle: device handle
520  * @sas_address_parent: sas address of parent expander or sas host
521  * @enclosure_handle: enclosure handle
522  * @enclosure_logical_id: enclosure logical identifier
523  * @volume_handle: volume handle (valid when hidden raid member)
524  * @volume_wwid: volume unique identifier
525  * @device_info: bitfield provides detailed info about the device
526  * @id: target id
527  * @channel: target channel
528  * @slot: number number
529  * @phy: phy identifier provided in sas device page 0
530  * @responding: used in _scsih_sas_device_mark_responding
531  * @fast_path: fast path feature enable bit
532  * @pfa_led_on: flag for PFA LED status
533  * @pend_sas_rphy_add: flag to check if device is in sas_rphy_add()
534  *	addition routine.
535  * @chassis_slot: chassis slot
536  * @is_chassis_slot_valid: chassis slot valid or not
537  */
538 struct _sas_device {
539 	struct list_head list;
540 	struct scsi_target *starget;
541 	u64	sas_address;
542 	u64	device_name;
543 	u16	handle;
544 	u64	sas_address_parent;
545 	u16	enclosure_handle;
546 	u64	enclosure_logical_id;
547 	u16	volume_handle;
548 	u64	volume_wwid;
549 	u32	device_info;
550 	int	id;
551 	int	channel;
552 	u16	slot;
553 	u8	phy;
554 	u8	responding;
555 	u8	fast_path;
556 	u8	pfa_led_on;
557 	u8	pend_sas_rphy_add;
558 	u8	enclosure_level;
559 	u8	chassis_slot;
560 	u8	is_chassis_slot_valid;
561 	u8	connector_name[5];
562 	struct kref refcount;
563 };
564 
565 static inline void sas_device_get(struct _sas_device *s)
566 {
567 	kref_get(&s->refcount);
568 }
569 
570 static inline void sas_device_free(struct kref *r)
571 {
572 	kfree(container_of(r, struct _sas_device, refcount));
573 }
574 
575 static inline void sas_device_put(struct _sas_device *s)
576 {
577 	kref_put(&s->refcount, sas_device_free);
578 }
579 
580 /*
581  * struct _pcie_device - attached PCIe device information
582  * @list: pcie device list
583  * @starget: starget object
584  * @wwid: device WWID
585  * @handle: device handle
586  * @device_info: bitfield provides detailed info about the device
587  * @id: target id
588  * @channel: target channel
589  * @slot: slot number
590  * @port_num: port number
591  * @responding: used in _scsih_pcie_device_mark_responding
592  * @fast_path: fast path feature enable bit
593  * @nvme_mdts: MaximumDataTransferSize from PCIe Device Page 2 for
594  *		NVMe device only
595  * @enclosure_handle: enclosure handle
596  * @enclosure_logical_id: enclosure logical identifier
597  * @enclosure_level: The level of device's enclosure from the controller
598  * @connector_name: ASCII value of the Connector's name
599  * @serial_number: pointer of serial number string allocated runtime
600  * @access_status: Device's Access Status
601  * @shutdown_latency: NVMe device's RTD3 Entry Latency
602  * @refcount: reference count for deletion
603  */
604 struct _pcie_device {
605 	struct list_head list;
606 	struct scsi_target *starget;
607 	u64	wwid;
608 	u16	handle;
609 	u32	device_info;
610 	int	id;
611 	int	channel;
612 	u16	slot;
613 	u8	port_num;
614 	u8	responding;
615 	u8	fast_path;
616 	u32	nvme_mdts;
617 	u16	enclosure_handle;
618 	u64	enclosure_logical_id;
619 	u8	enclosure_level;
620 	u8	connector_name[4];
621 	u8	*serial_number;
622 	u8	reset_timeout;
623 	u8	access_status;
624 	u16	shutdown_latency;
625 	struct kref refcount;
626 };
627 /**
628  * pcie_device_get - Increment the pcie device reference count
629  *
630  * @p: pcie_device object
631  *
632  * When ever this function called it will increment the
633  * reference count of the pcie device for which this function called.
634  *
635  */
636 static inline void pcie_device_get(struct _pcie_device *p)
637 {
638 	kref_get(&p->refcount);
639 }
640 
641 /**
642  * pcie_device_free - Release the pcie device object
643  * @r - kref object
644  *
645  * Free's the pcie device object. It will be called when reference count
646  * reaches to zero.
647  */
648 static inline void pcie_device_free(struct kref *r)
649 {
650 	kfree(container_of(r, struct _pcie_device, refcount));
651 }
652 
653 /**
654  * pcie_device_put - Decrement the pcie device reference count
655  *
656  * @p: pcie_device object
657  *
658  * When ever this function called it will decrement the
659  * reference count of the pcie device for which this function called.
660  *
661  * When refernce count reaches to Zero, this will call pcie_device_free to the
662  * pcie_device object.
663  */
664 static inline void pcie_device_put(struct _pcie_device *p)
665 {
666 	kref_put(&p->refcount, pcie_device_free);
667 }
668 /**
669  * struct _raid_device - raid volume link list
670  * @list: sas device list
671  * @starget: starget object
672  * @sdev: scsi device struct (volumes are single lun)
673  * @wwid: unique identifier for the volume
674  * @handle: device handle
675  * @block_size: Block size of the volume
676  * @id: target id
677  * @channel: target channel
678  * @volume_type: the raid level
679  * @device_info: bitfield provides detailed info about the hidden components
680  * @num_pds: number of hidden raid components
681  * @responding: used in _scsih_raid_device_mark_responding
682  * @percent_complete: resync percent complete
683  * @direct_io_enabled: Whether direct io to PDs are allowed or not
684  * @stripe_exponent: X where 2powX is the stripe sz in blocks
685  * @block_exponent: X where 2powX is the block sz in bytes
686  * @max_lba: Maximum number of LBA in the volume
687  * @stripe_sz: Stripe Size of the volume
688  * @device_info: Device info of the volume member disk
689  * @pd_handle: Array of handles of the physical drives for direct I/O in le16
690  */
691 #define MPT_MAX_WARPDRIVE_PDS		8
692 struct _raid_device {
693 	struct list_head list;
694 	struct scsi_target *starget;
695 	struct scsi_device *sdev;
696 	u64	wwid;
697 	u16	handle;
698 	u16	block_sz;
699 	int	id;
700 	int	channel;
701 	u8	volume_type;
702 	u8	num_pds;
703 	u8	responding;
704 	u8	percent_complete;
705 	u8	direct_io_enabled;
706 	u8	stripe_exponent;
707 	u8	block_exponent;
708 	u64	max_lba;
709 	u32	stripe_sz;
710 	u32	device_info;
711 	u16	pd_handle[MPT_MAX_WARPDRIVE_PDS];
712 };
713 
714 /**
715  * struct _boot_device - boot device info
716  *
717  * @channel: sas, raid, or pcie channel
718  * @device: holds pointer for struct _sas_device, struct _raid_device or
719  *     struct _pcie_device
720  */
721 struct _boot_device {
722 	int channel;
723 	void *device;
724 };
725 
726 /**
727  * struct _sas_port - wide/narrow sas port information
728  * @port_list: list of ports belonging to expander
729  * @num_phys: number of phys belonging to this port
730  * @remote_identify: attached device identification
731  * @rphy: sas transport rphy object
732  * @port: sas transport wide/narrow port object
733  * @phy_list: _sas_phy list objects belonging to this port
734  */
735 struct _sas_port {
736 	struct list_head port_list;
737 	u8	num_phys;
738 	struct sas_identify remote_identify;
739 	struct sas_rphy *rphy;
740 	struct sas_port *port;
741 	struct list_head phy_list;
742 };
743 
744 /**
745  * struct _sas_phy - phy information
746  * @port_siblings: list of phys belonging to a port
747  * @identify: phy identification
748  * @remote_identify: attached device identification
749  * @phy: sas transport phy object
750  * @phy_id: unique phy id
751  * @handle: device handle for this phy
752  * @attached_handle: device handle for attached device
753  * @phy_belongs_to_port: port has been created for this phy
754  */
755 struct _sas_phy {
756 	struct list_head port_siblings;
757 	struct sas_identify identify;
758 	struct sas_identify remote_identify;
759 	struct sas_phy *phy;
760 	u8	phy_id;
761 	u16	handle;
762 	u16	attached_handle;
763 	u8	phy_belongs_to_port;
764 };
765 
766 /**
767  * struct _sas_node - sas_host/expander information
768  * @list: list of expanders
769  * @parent_dev: parent device class
770  * @num_phys: number phys belonging to this sas_host/expander
771  * @sas_address: sas address of this sas_host/expander
772  * @handle: handle for this sas_host/expander
773  * @sas_address_parent: sas address of parent expander or sas host
774  * @enclosure_handle: handle for this a member of an enclosure
775  * @device_info: bitwise defining capabilities of this sas_host/expander
776  * @responding: used in _scsih_expander_device_mark_responding
777  * @phy: a list of phys that make up this sas_host/expander
778  * @sas_port_list: list of ports attached to this sas_host/expander
779  */
780 struct _sas_node {
781 	struct list_head list;
782 	struct device *parent_dev;
783 	u8	num_phys;
784 	u64	sas_address;
785 	u16	handle;
786 	u64	sas_address_parent;
787 	u16	enclosure_handle;
788 	u64	enclosure_logical_id;
789 	u8	responding;
790 	struct	_sas_phy *phy;
791 	struct list_head sas_port_list;
792 };
793 
794 
795 /**
796  * struct _enclosure_node - enclosure information
797  * @list: list of enclosures
798  * @pg0: enclosure pg0;
799  */
800 struct _enclosure_node {
801 	struct list_head list;
802 	Mpi2SasEnclosurePage0_t pg0;
803 };
804 
805 /**
806  * enum reset_type - reset state
807  * @FORCE_BIG_HAMMER: issue diagnostic reset
808  * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
809  */
810 enum reset_type {
811 	FORCE_BIG_HAMMER,
812 	SOFT_RESET,
813 };
814 
815 /**
816  * struct pcie_sg_list - PCIe SGL buffer (contiguous per I/O)
817  * @pcie_sgl: PCIe native SGL for NVMe devices
818  * @pcie_sgl_dma: physical address
819  */
820 struct pcie_sg_list {
821 	void            *pcie_sgl;
822 	dma_addr_t      pcie_sgl_dma;
823 };
824 
825 /**
826  * struct chain_tracker - firmware chain tracker
827  * @chain_buffer: chain buffer
828  * @chain_buffer_dma: physical address
829  * @tracker_list: list of free request (ioc->free_chain_list)
830  */
831 struct chain_tracker {
832 	void *chain_buffer;
833 	dma_addr_t chain_buffer_dma;
834 };
835 
836 struct chain_lookup {
837 	struct chain_tracker *chains_per_smid;
838 	atomic_t	chain_offset;
839 };
840 
841 /**
842  * struct scsiio_tracker - scsi mf request tracker
843  * @smid: system message id
844  * @cb_idx: callback index
845  * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
846  * @chain_list: list of associated firmware chain tracker
847  * @msix_io: IO's msix
848  */
849 struct scsiio_tracker {
850 	u16	smid;
851 	struct scsi_cmnd *scmd;
852 	u8	cb_idx;
853 	u8	direct_io;
854 	struct pcie_sg_list pcie_sg_list;
855 	struct list_head chain_list;
856 	u16     msix_io;
857 };
858 
859 /**
860  * struct request_tracker - firmware request tracker
861  * @smid: system message id
862  * @cb_idx: callback index
863  * @tracker_list: list of free request (ioc->free_list)
864  */
865 struct request_tracker {
866 	u16	smid;
867 	u8	cb_idx;
868 	struct list_head tracker_list;
869 };
870 
871 /**
872  * struct _tr_list - target reset list
873  * @handle: device handle
874  * @state: state machine
875  */
876 struct _tr_list {
877 	struct list_head list;
878 	u16	handle;
879 	u16	state;
880 };
881 
882 /**
883  * struct _sc_list - delayed SAS_IO_UNIT_CONTROL message list
884  * @handle: device handle
885  */
886 struct _sc_list {
887 	struct list_head list;
888 	u16     handle;
889 };
890 
891 /**
892  * struct _event_ack_list - delayed event acknowledgment list
893  * @Event: Event ID
894  * @EventContext: used to track the event uniquely
895  */
896 struct _event_ack_list {
897 	struct list_head list;
898 	U16     Event;
899 	U32     EventContext;
900 };
901 
902 /**
903  * struct adapter_reply_queue - the reply queue struct
904  * @ioc: per adapter object
905  * @msix_index: msix index into vector table
906  * @vector: irq vector
907  * @reply_post_host_index: head index in the pool where FW completes IO
908  * @reply_post_free: reply post base virt address
909  * @name: the name registered to request_irq()
910  * @busy: isr is actively processing replies on another cpu
911  * @os_irq: irq number
912  * @irqpoll: irq_poll object
913  * @irq_poll_scheduled: Tells whether irq poll is scheduled or not
914  * @list: this list
915 */
916 struct adapter_reply_queue {
917 	struct MPT3SAS_ADAPTER	*ioc;
918 	u8			msix_index;
919 	u32			reply_post_host_index;
920 	Mpi2ReplyDescriptorsUnion_t *reply_post_free;
921 	char			name[MPT_NAME_LENGTH];
922 	atomic_t		busy;
923 	u32			os_irq;
924 	struct irq_poll         irqpoll;
925 	bool			irq_poll_scheduled;
926 	bool			irq_line_enable;
927 	struct list_head	list;
928 };
929 
930 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
931 
932 /* SAS3.0 support */
933 typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
934 	struct scsi_cmnd *scmd, u16 smid, struct _pcie_device *pcie_device);
935 typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
936 		dma_addr_t data_out_dma, size_t data_out_sz,
937 		dma_addr_t data_in_dma, size_t data_in_sz);
938 typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
939 		void *paddr);
940 
941 /* SAS3.5 support */
942 typedef void (*NVME_BUILD_PRP)(struct MPT3SAS_ADAPTER *ioc, u16 smid,
943 	Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request,
944 	dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
945 	size_t data_in_sz);
946 
947 /* To support atomic and non atomic descriptors*/
948 typedef void (*PUT_SMID_IO_FP_HIP) (struct MPT3SAS_ADAPTER *ioc, u16 smid,
949 	u16 funcdep);
950 typedef void (*PUT_SMID_DEFAULT) (struct MPT3SAS_ADAPTER *ioc, u16 smid);
951 typedef u32 (*BASE_READ_REG) (const volatile void __iomem *addr);
952 /*
953  * To get high iops reply queue's msix index when high iops mode is enabled
954  * else get the msix index of general reply queues.
955  */
956 typedef u8 (*GET_MSIX_INDEX) (struct MPT3SAS_ADAPTER *ioc,
957 	struct scsi_cmnd *scmd);
958 
959 /* IOC Facts and Port Facts converted from little endian to cpu */
960 union mpi3_version_union {
961 	MPI2_VERSION_STRUCT		Struct;
962 	u32				Word;
963 };
964 
965 struct mpt3sas_facts {
966 	u16			MsgVersion;
967 	u16			HeaderVersion;
968 	u8			IOCNumber;
969 	u8			VP_ID;
970 	u8			VF_ID;
971 	u16			IOCExceptions;
972 	u16			IOCStatus;
973 	u32			IOCLogInfo;
974 	u8			MaxChainDepth;
975 	u8			WhoInit;
976 	u8			NumberOfPorts;
977 	u8			MaxMSIxVectors;
978 	u16			RequestCredit;
979 	u16			ProductID;
980 	u32			IOCCapabilities;
981 	union mpi3_version_union	FWVersion;
982 	u16			IOCRequestFrameSize;
983 	u16			IOCMaxChainSegmentSize;
984 	u16			MaxInitiators;
985 	u16			MaxTargets;
986 	u16			MaxSasExpanders;
987 	u16			MaxEnclosures;
988 	u16			ProtocolFlags;
989 	u16			HighPriorityCredit;
990 	u16			MaxReplyDescriptorPostQueueDepth;
991 	u8			ReplyFrameSize;
992 	u8			MaxVolumes;
993 	u16			MaxDevHandle;
994 	u16			MaxPersistentEntries;
995 	u16			MinDevHandle;
996 	u8			CurrentHostPageSize;
997 };
998 
999 struct mpt3sas_port_facts {
1000 	u8			PortNumber;
1001 	u8			VP_ID;
1002 	u8			VF_ID;
1003 	u8			PortType;
1004 	u16			MaxPostedCmdBuffers;
1005 };
1006 
1007 struct reply_post_struct {
1008 	Mpi2ReplyDescriptorsUnion_t	*reply_post_free;
1009 	dma_addr_t			reply_post_free_dma;
1010 };
1011 
1012 typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
1013 /**
1014  * struct MPT3SAS_ADAPTER - per adapter struct
1015  * @list: ioc_list
1016  * @shost: shost object
1017  * @id: unique adapter id
1018  * @cpu_count: number online cpus
1019  * @name: generic ioc string
1020  * @tmp_string: tmp string used for logging
1021  * @pdev: pci pdev object
1022  * @pio_chip: physical io register space
1023  * @chip: memory mapped register space
1024  * @chip_phys: physical addrss prior to mapping
1025  * @logging_level: see mpt3sas_debug.h
1026  * @fwfault_debug: debuging FW timeouts
1027  * @ir_firmware: IR firmware present
1028  * @bars: bitmask of BAR's that must be configured
1029  * @mask_interrupts: ignore interrupt
1030  * @pci_access_mutex: Mutex to synchronize ioctl, sysfs show path and
1031  *			pci resource handling
1032  * @fault_reset_work_q_name: fw fault work queue
1033  * @fault_reset_work_q: ""
1034  * @fault_reset_work: ""
1035  * @firmware_event_name: fw event work queue
1036  * @firmware_event_thread: ""
1037  * @fw_event_lock:
1038  * @fw_event_list: list of fw events
1039  * @aen_event_read_flag: event log was read
1040  * @broadcast_aen_busy: broadcast aen waiting to be serviced
1041  * @shost_recovery: host reset in progress
1042  * @ioc_reset_in_progress_lock:
1043  * @ioc_link_reset_in_progress: phy/hard reset in progress
1044  * @ignore_loginfos: ignore loginfos during task management
1045  * @remove_host: flag for when driver unloads, to avoid sending dev resets
1046  * @pci_error_recovery: flag to prevent ioc access until slot reset completes
1047  * @wait_for_discovery_to_complete: flag set at driver load time when
1048  *                                               waiting on reporting devices
1049  * @is_driver_loading: flag set at driver load time
1050  * @port_enable_failed: flag set when port enable has failed
1051  * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
1052  * @start_scan_failed: means port enable failed, return's the ioc_status
1053  * @msix_enable: flag indicating msix is enabled
1054  * @msix_vector_count: number msix vectors
1055  * @cpu_msix_table: table for mapping cpus to msix index
1056  * @cpu_msix_table_sz: table size
1057  * @total_io_cnt: Gives total IO count, used to load balance the interrupts
1058  * @ioc_coredump_loop: will have non-zero value when FW is in CoreDump state
1059  * @high_iops_outstanding: used to load balance the interrupts
1060  *				within high iops reply queues
1061  * @msix_load_balance: Enables load balancing of interrupts across
1062  * the multiple MSIXs
1063  * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
1064  * @thresh_hold: Max number of reply descriptors processed
1065  *				before updating Host Index
1066  * @drv_support_bitmap: driver's supported feature bit map
1067  * @use_32bit_dma: Flag to use 32 bit consistent dma mask
1068  * @scsi_io_cb_idx: shost generated commands
1069  * @tm_cb_idx: task management commands
1070  * @scsih_cb_idx: scsih internal commands
1071  * @transport_cb_idx: transport internal commands
1072  * @ctl_cb_idx: clt internal commands
1073  * @base_cb_idx: base internal commands
1074  * @config_cb_idx: base internal commands
1075  * @tm_tr_cb_idx : device removal target reset handshake
1076  * @tm_tr_volume_cb_idx : volume removal target reset
1077  * @base_cmds:
1078  * @transport_cmds:
1079  * @scsih_cmds:
1080  * @tm_cmds:
1081  * @ctl_cmds:
1082  * @config_cmds:
1083  * @base_add_sg_single: handler for either 32/64 bit sgl's
1084  * @event_type: bits indicating which events to log
1085  * @event_context: unique id for each logged event
1086  * @event_log: event log pointer
1087  * @event_masks: events that are masked
1088  * @max_shutdown_latency: timeout value for NVMe shutdown operation,
1089  *			which is equal that NVMe drive's RTD3 Entry Latency
1090  *			which has reported maximum RTD3 Entry Latency value
1091  *			among attached NVMe drives.
1092  * @facts: static facts data
1093  * @prev_fw_facts: previous fw facts data
1094  * @pfacts: static port facts data
1095  * @manu_pg0: static manufacturing page 0
1096  * @manu_pg10: static manufacturing page 10
1097  * @manu_pg11: static manufacturing page 11
1098  * @bios_pg2: static bios page 2
1099  * @bios_pg3: static bios page 3
1100  * @ioc_pg8: static ioc page 8
1101  * @iounit_pg0: static iounit page 0
1102  * @iounit_pg1: static iounit page 1
1103  * @iounit_pg8: static iounit page 8
1104  * @sas_hba: sas host object
1105  * @sas_expander_list: expander object list
1106  * @enclosure_list: enclosure object list
1107  * @sas_node_lock:
1108  * @sas_device_list: sas device object list
1109  * @sas_device_init_list: sas device object list (used only at init time)
1110  * @sas_device_lock:
1111  * @pcie_device_list: pcie device object list
1112  * @pcie_device_init_list: pcie device object list (used only at init time)
1113  * @pcie_device_lock:
1114  * @io_missing_delay: time for IO completed by fw when PDR enabled
1115  * @device_missing_delay: time for device missing by fw when PDR enabled
1116  * @sas_id : used for setting volume target IDs
1117  * @pcie_target_id: used for setting pcie target IDs
1118  * @blocking_handles: bitmask used to identify which devices need blocking
1119  * @pd_handles : bitmask for PD handles
1120  * @pd_handles_sz : size of pd_handle bitmask
1121  * @config_page_sz: config page size
1122  * @config_page: reserve memory for config page payload
1123  * @config_page_dma:
1124  * @hba_queue_depth: hba request queue depth
1125  * @sge_size: sg element size for either 32/64 bit
1126  * @scsiio_depth: SCSI_IO queue depth
1127  * @request_sz: per request frame size
1128  * @request: pool of request frames
1129  * @request_dma:
1130  * @request_dma_sz:
1131  * @scsi_lookup: firmware request tracker list
1132  * @scsi_lookup_lock:
1133  * @free_list: free list of request
1134  * @pending_io_count:
1135  * @reset_wq:
1136  * @chain: pool of chains
1137  * @chain_dma:
1138  * @max_sges_in_main_message: number sg elements in main message
1139  * @max_sges_in_chain_message: number sg elements per chain
1140  * @chains_needed_per_io: max chains per io
1141  * @chain_depth: total chains allocated
1142  * @chain_segment_sz: gives the max number of
1143  *			SGEs accommodate on single chain buffer
1144  * @hi_priority_smid:
1145  * @hi_priority:
1146  * @hi_priority_dma:
1147  * @hi_priority_depth:
1148  * @hpr_lookup:
1149  * @hpr_free_list:
1150  * @internal_smid:
1151  * @internal:
1152  * @internal_dma:
1153  * @internal_depth:
1154  * @internal_lookup:
1155  * @internal_free_list:
1156  * @sense: pool of sense
1157  * @sense_dma:
1158  * @sense_dma_pool:
1159  * @reply_depth: hba reply queue depth:
1160  * @reply_sz: per reply frame size:
1161  * @reply: pool of replys:
1162  * @reply_dma:
1163  * @reply_dma_pool:
1164  * @reply_free_queue_depth: reply free depth
1165  * @reply_free: pool for reply free queue (32 bit addr)
1166  * @reply_free_dma:
1167  * @reply_free_dma_pool:
1168  * @reply_free_host_index: tail index in pool to insert free replys
1169  * @reply_post_queue_depth: reply post queue depth
1170  * @reply_post_struct: struct for reply_post_free physical & virt address
1171  * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
1172  * @rdpq_array_enable: rdpq_array support is enabled in the driver
1173  * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
1174  *				is assigned only ones
1175  * @reply_queue_count: number of reply queue's
1176  * @reply_queue_list: link list contaning the reply queue info
1177  * @msix96_vector: 96 MSI-X vector support
1178  * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue
1179  * @delayed_tr_list: target reset link list
1180  * @delayed_tr_volume_list: volume target reset link list
1181  * @delayed_sc_list:
1182  * @delayed_event_ack_list:
1183  * @temp_sensors_count: flag to carry the number of temperature sensors
1184  * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
1185  *	pci resource handling. PCI resource freeing will lead to free
1186  *	vital hardware/memory resource, which might be in use by cli/sysfs
1187  *	path functions resulting in Null pointer reference followed by kernel
1188  *	crash. To avoid the above race condition we use mutex syncrhonization
1189  *	which ensures the syncrhonization between cli/sysfs_show path.
1190  * @atomic_desc_capable: Atomic Request Descriptor support.
1191  * @GET_MSIX_INDEX: Get the msix index of high iops queues.
1192  */
1193 struct MPT3SAS_ADAPTER {
1194 	struct list_head list;
1195 	struct Scsi_Host *shost;
1196 	u8		id;
1197 	int		cpu_count;
1198 	char		name[MPT_NAME_LENGTH];
1199 	char		driver_name[MPT_NAME_LENGTH - 8];
1200 	char		tmp_string[MPT_STRING_LENGTH];
1201 	struct pci_dev	*pdev;
1202 	Mpi2SystemInterfaceRegs_t __iomem *chip;
1203 	phys_addr_t	chip_phys;
1204 	int		logging_level;
1205 	int		fwfault_debug;
1206 	u8		ir_firmware;
1207 	int		bars;
1208 	u8		mask_interrupts;
1209 
1210 	/* fw fault handler */
1211 	char		fault_reset_work_q_name[20];
1212 	struct workqueue_struct *fault_reset_work_q;
1213 	struct delayed_work fault_reset_work;
1214 
1215 	/* fw event handler */
1216 	char		firmware_event_name[20];
1217 	struct workqueue_struct	*firmware_event_thread;
1218 	spinlock_t	fw_event_lock;
1219 	struct list_head fw_event_list;
1220 
1221 	 /* misc flags */
1222 	int		aen_event_read_flag;
1223 	u8		broadcast_aen_busy;
1224 	u16		broadcast_aen_pending;
1225 	u8		shost_recovery;
1226 	u8		got_task_abort_from_ioctl;
1227 
1228 	struct mutex	reset_in_progress_mutex;
1229 	spinlock_t	ioc_reset_in_progress_lock;
1230 	u8		ioc_link_reset_in_progress;
1231 
1232 	u8		ignore_loginfos;
1233 	u8		remove_host;
1234 	u8		pci_error_recovery;
1235 	u8		wait_for_discovery_to_complete;
1236 	u8		is_driver_loading;
1237 	u8		port_enable_failed;
1238 	u8		start_scan;
1239 	u16		start_scan_failed;
1240 
1241 	u8		msix_enable;
1242 	u16		msix_vector_count;
1243 	u8		*cpu_msix_table;
1244 	u16		cpu_msix_table_sz;
1245 	resource_size_t __iomem **reply_post_host_index;
1246 	u32		ioc_reset_count;
1247 	MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
1248 	u32             non_operational_loop;
1249 	u8              ioc_coredump_loop;
1250 	atomic64_t      total_io_cnt;
1251 	atomic64_t	high_iops_outstanding;
1252 	bool            msix_load_balance;
1253 	u16		thresh_hold;
1254 	u8		high_iops_queues;
1255 	u32		drv_support_bitmap;
1256 	bool		enable_sdev_max_qd;
1257 	bool		use_32bit_dma;
1258 
1259 	/* internal commands, callback index */
1260 	u8		scsi_io_cb_idx;
1261 	u8		tm_cb_idx;
1262 	u8		transport_cb_idx;
1263 	u8		scsih_cb_idx;
1264 	u8		ctl_cb_idx;
1265 	u8		base_cb_idx;
1266 	u8		port_enable_cb_idx;
1267 	u8		config_cb_idx;
1268 	u8		tm_tr_cb_idx;
1269 	u8		tm_tr_volume_cb_idx;
1270 	u8		tm_sas_control_cb_idx;
1271 	struct _internal_cmd base_cmds;
1272 	struct _internal_cmd port_enable_cmds;
1273 	struct _internal_cmd transport_cmds;
1274 	struct _internal_cmd scsih_cmds;
1275 	struct _internal_cmd tm_cmds;
1276 	struct _internal_cmd ctl_cmds;
1277 	struct _internal_cmd config_cmds;
1278 
1279 	MPT_ADD_SGE	base_add_sg_single;
1280 
1281 	/* function ptr for either IEEE or MPI sg elements */
1282 	MPT_BUILD_SG_SCMD build_sg_scmd;
1283 	MPT_BUILD_SG    build_sg;
1284 	MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
1285 	u16             sge_size_ieee;
1286 	u16		hba_mpi_version_belonged;
1287 
1288 	/* function ptr for MPI sg elements only */
1289 	MPT_BUILD_SG    build_sg_mpi;
1290 	MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
1291 
1292 	/* function ptr for NVMe PRP elements only */
1293 	NVME_BUILD_PRP  build_nvme_prp;
1294 
1295 	/* event log */
1296 	u32		event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1297 	u32		event_context;
1298 	void		*event_log;
1299 	u32		event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1300 
1301 	u8		tm_custom_handling;
1302 	u8		nvme_abort_timeout;
1303 	u16		max_shutdown_latency;
1304 
1305 	/* static config pages */
1306 	struct mpt3sas_facts facts;
1307 	struct mpt3sas_facts prev_fw_facts;
1308 	struct mpt3sas_port_facts *pfacts;
1309 	Mpi2ManufacturingPage0_t manu_pg0;
1310 	struct Mpi2ManufacturingPage10_t manu_pg10;
1311 	struct Mpi2ManufacturingPage11_t manu_pg11;
1312 	Mpi2BiosPage2_t	bios_pg2;
1313 	Mpi2BiosPage3_t	bios_pg3;
1314 	Mpi2IOCPage8_t ioc_pg8;
1315 	Mpi2IOUnitPage0_t iounit_pg0;
1316 	Mpi2IOUnitPage1_t iounit_pg1;
1317 	Mpi2IOUnitPage8_t iounit_pg8;
1318 	Mpi2IOCPage1_t	ioc_pg1_copy;
1319 
1320 	struct _boot_device req_boot_device;
1321 	struct _boot_device req_alt_boot_device;
1322 	struct _boot_device current_boot_device;
1323 
1324 	/* sas hba, expander, and device list */
1325 	struct _sas_node sas_hba;
1326 	struct list_head sas_expander_list;
1327 	struct list_head enclosure_list;
1328 	spinlock_t	sas_node_lock;
1329 	struct list_head sas_device_list;
1330 	struct list_head sas_device_init_list;
1331 	spinlock_t	sas_device_lock;
1332 	struct list_head pcie_device_list;
1333 	struct list_head pcie_device_init_list;
1334 	spinlock_t      pcie_device_lock;
1335 
1336 	struct list_head raid_device_list;
1337 	spinlock_t	raid_device_lock;
1338 	u8		io_missing_delay;
1339 	u16		device_missing_delay;
1340 	int		sas_id;
1341 	int		pcie_target_id;
1342 
1343 	void		*blocking_handles;
1344 	void		*pd_handles;
1345 	u16		pd_handles_sz;
1346 
1347 	void		*pend_os_device_add;
1348 	u16		pend_os_device_add_sz;
1349 
1350 	/* config page */
1351 	u16		config_page_sz;
1352 	void		*config_page;
1353 	dma_addr_t	config_page_dma;
1354 	void		*config_vaddr;
1355 
1356 	/* scsiio request */
1357 	u16		hba_queue_depth;
1358 	u16		sge_size;
1359 	u16		scsiio_depth;
1360 	u16		request_sz;
1361 	u8		*request;
1362 	dma_addr_t	request_dma;
1363 	u32		request_dma_sz;
1364 	struct pcie_sg_list *pcie_sg_lookup;
1365 	spinlock_t	scsi_lookup_lock;
1366 	int		pending_io_count;
1367 	wait_queue_head_t reset_wq;
1368 
1369 	/* PCIe SGL */
1370 	struct dma_pool *pcie_sgl_dma_pool;
1371 	/* Host Page Size */
1372 	u32		page_size;
1373 
1374 	/* chain */
1375 	struct chain_lookup *chain_lookup;
1376 	struct list_head free_chain_list;
1377 	struct dma_pool *chain_dma_pool;
1378 	ulong		chain_pages;
1379 	u16		max_sges_in_main_message;
1380 	u16		max_sges_in_chain_message;
1381 	u16		chains_needed_per_io;
1382 	u32		chain_depth;
1383 	u16		chain_segment_sz;
1384 	u16		chains_per_prp_buffer;
1385 
1386 	/* hi-priority queue */
1387 	u16		hi_priority_smid;
1388 	u8		*hi_priority;
1389 	dma_addr_t	hi_priority_dma;
1390 	u16		hi_priority_depth;
1391 	struct request_tracker *hpr_lookup;
1392 	struct list_head hpr_free_list;
1393 
1394 	/* internal queue */
1395 	u16		internal_smid;
1396 	u8		*internal;
1397 	dma_addr_t	internal_dma;
1398 	u16		internal_depth;
1399 	struct request_tracker *internal_lookup;
1400 	struct list_head internal_free_list;
1401 
1402 	/* sense */
1403 	u8		*sense;
1404 	dma_addr_t	sense_dma;
1405 	struct dma_pool *sense_dma_pool;
1406 
1407 	/* reply */
1408 	u16		reply_sz;
1409 	u8		*reply;
1410 	dma_addr_t	reply_dma;
1411 	u32		reply_dma_max_address;
1412 	u32		reply_dma_min_address;
1413 	struct dma_pool *reply_dma_pool;
1414 
1415 	/* reply free queue */
1416 	u16		reply_free_queue_depth;
1417 	__le32		*reply_free;
1418 	dma_addr_t	reply_free_dma;
1419 	struct dma_pool *reply_free_dma_pool;
1420 	u32		reply_free_host_index;
1421 
1422 	/* reply post queue */
1423 	u16		reply_post_queue_depth;
1424 	struct reply_post_struct *reply_post;
1425 	u8		rdpq_array_capable;
1426 	u8		rdpq_array_enable;
1427 	u8		rdpq_array_enable_assigned;
1428 	struct dma_pool *reply_post_free_dma_pool;
1429 	struct dma_pool *reply_post_free_array_dma_pool;
1430 	Mpi2IOCInitRDPQArrayEntry *reply_post_free_array;
1431 	dma_addr_t reply_post_free_array_dma;
1432 	u8		reply_queue_count;
1433 	struct list_head reply_queue_list;
1434 
1435 	u8		combined_reply_queue;
1436 	u8		combined_reply_index_count;
1437 	u8		smp_affinity_enable;
1438 	/* reply post register index */
1439 	resource_size_t	**replyPostRegisterIndex;
1440 
1441 	struct list_head delayed_tr_list;
1442 	struct list_head delayed_tr_volume_list;
1443 	struct list_head delayed_sc_list;
1444 	struct list_head delayed_event_ack_list;
1445 	u8		temp_sensors_count;
1446 	struct mutex pci_access_mutex;
1447 
1448 	/* diag buffer support */
1449 	u8		*diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1450 	u32		diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1451 	dma_addr_t	diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1452 	u8		diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1453 	u32		unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1454 	u32		product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1455 	u32		diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1456 	u32		ring_buffer_offset;
1457 	u32		ring_buffer_sz;
1458 	u8		is_warpdrive;
1459 	u8		is_mcpu_endpoint;
1460 	u8		hide_ir_msg;
1461 	u8		mfg_pg10_hide_flag;
1462 	u8		hide_drives;
1463 	spinlock_t	diag_trigger_lock;
1464 	u8		diag_trigger_active;
1465 	u8		atomic_desc_capable;
1466 	BASE_READ_REG	base_readl;
1467 	struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
1468 	struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
1469 	struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
1470 	struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
1471 	void		*device_remove_in_progress;
1472 	u16		device_remove_in_progress_sz;
1473 	u8		is_gen35_ioc;
1474 	u8		is_aero_ioc;
1475 	struct dentry	*debugfs_root;
1476 	struct dentry	*ioc_dump;
1477 	PUT_SMID_IO_FP_HIP put_smid_scsi_io;
1478 	PUT_SMID_IO_FP_HIP put_smid_fast_path;
1479 	PUT_SMID_IO_FP_HIP put_smid_hi_priority;
1480 	PUT_SMID_DEFAULT put_smid_default;
1481 	GET_MSIX_INDEX get_msix_index_for_smlio;
1482 };
1483 
1484 struct mpt3sas_debugfs_buffer {
1485 	void	*buf;
1486 	u32	len;
1487 };
1488 
1489 #define MPT_DRV_SUPPORT_BITMAP_MEMMOVE 0x00000001
1490 
1491 typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1492 	u32 reply);
1493 
1494 
1495 /* base shared API */
1496 extern struct list_head mpt3sas_ioc_list;
1497 extern char    driver_name[MPT_NAME_LENGTH];
1498 /* spinlock on list operations over IOCs
1499  * Case: when multiple warpdrive cards(IOCs) are in use
1500  * Each IOC will added to the ioc list structure on initialization.
1501  * Watchdog threads run at regular intervals to check IOC for any
1502  * fault conditions which will trigger the dead_ioc thread to
1503  * deallocate pci resource, resulting deleting the IOC netry from list,
1504  * this deletion need to protected by spinlock to enusre that
1505  * ioc removal is syncrhonized, if not synchronized it might lead to
1506  * list_del corruption as the ioc list is traversed in cli path.
1507  */
1508 extern spinlock_t gioc_lock;
1509 
1510 void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
1511 void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
1512 
1513 int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
1514 void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
1515 int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
1516 void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
1517 void mpt3sas_free_enclosure_list(struct MPT3SAS_ADAPTER *ioc);
1518 int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
1519 	enum reset_type type);
1520 
1521 void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1522 void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1523 __le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
1524 	u16 smid);
1525 void *mpt3sas_base_get_pcie_sgl(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1526 dma_addr_t mpt3sas_base_get_pcie_sgl_dma(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1527 void mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc);
1528 
1529 void mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1530 	u16 handle);
1531 void mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1532 	u16 msix_task);
1533 void mpt3sas_base_put_smid_nvme_encap(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1534 void mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1535 /* hi-priority queue */
1536 u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1537 u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
1538 		struct scsi_cmnd *scmd);
1539 void mpt3sas_base_clear_st(struct MPT3SAS_ADAPTER *ioc,
1540 		struct scsiio_tracker *st);
1541 
1542 u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1543 void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1544 void mpt3sas_base_initialize_callback_handler(void);
1545 u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1546 void mpt3sas_base_release_callback_handler(u8 cb_idx);
1547 
1548 u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1549 	u32 reply);
1550 u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1551 	u8 msix_index, u32 reply);
1552 void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
1553 	u32 phys_addr);
1554 
1555 u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
1556 
1557 void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
1558 #define mpt3sas_print_fault_code(ioc, fault_code) \
1559 do { pr_err("%s fault info from func: %s\n", ioc->name, __func__); \
1560 	mpt3sas_base_fault_info(ioc, fault_code); } while (0)
1561 
1562 void mpt3sas_base_coredump_info(struct MPT3SAS_ADAPTER *ioc, u16 fault_code);
1563 #define mpt3sas_print_coredump_info(ioc, fault_code) \
1564 do { pr_err("%s fault info from func: %s\n", ioc->name, __func__); \
1565 	mpt3sas_base_coredump_info(ioc, fault_code); } while (0)
1566 
1567 int mpt3sas_base_wait_for_coredump_completion(struct MPT3SAS_ADAPTER *ioc,
1568 		const char *caller);
1569 int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
1570 	Mpi2SasIoUnitControlReply_t *mpi_reply,
1571 	Mpi2SasIoUnitControlRequest_t *mpi_request);
1572 int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
1573 	Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1574 
1575 void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
1576 	u32 *event_type);
1577 
1578 void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
1579 
1580 void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
1581 	u16 device_missing_delay, u8 io_missing_delay);
1582 
1583 int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
1584 
1585 void
1586 mpt3sas_wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc);
1587 
1588 u8 mpt3sas_base_check_cmd_timeout(struct MPT3SAS_ADAPTER *ioc,
1589 	u8 status, void *mpi_request, int sz);
1590 #define mpt3sas_check_cmd_timeout(ioc, status, mpi_request, sz, issue_reset) \
1591 do {	ioc_err(ioc, "In func: %s\n", __func__); \
1592 	issue_reset = mpt3sas_base_check_cmd_timeout(ioc, \
1593 	status, mpi_request, sz); } while (0)
1594 
1595 int mpt3sas_wait_for_ioc(struct MPT3SAS_ADAPTER *ioc, int wait_count);
1596 
1597 /* scsih shared API */
1598 struct scsi_cmnd *mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc,
1599 	u16 smid);
1600 u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
1601 	u32 reply);
1602 void mpt3sas_scsih_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1603 void mpt3sas_scsih_clear_outstanding_scsi_tm_commands(
1604 	struct MPT3SAS_ADAPTER *ioc);
1605 void mpt3sas_scsih_reset_done_handler(struct MPT3SAS_ADAPTER *ioc);
1606 
1607 int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, u64 lun,
1608 	u8 type, u16 smid_task, u16 msix_task, u8 timeout, u8 tr_method);
1609 int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1610 	u64 lun, u8 type, u16 smid_task, u16 msix_task,
1611 	u8 timeout, u8 tr_method);
1612 
1613 void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1614 void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1615 void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1616 void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1617 	u64 sas_address);
1618 u8 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc,
1619 	u16 smid);
1620 
1621 struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1622 	struct MPT3SAS_ADAPTER *ioc, u16 handle);
1623 struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1624 	struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1625 struct _sas_device *mpt3sas_get_sdev_by_addr(
1626 	 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1627 struct _sas_device *__mpt3sas_get_sdev_by_addr(
1628 	 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1629 struct _sas_device *mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1630 	u16 handle);
1631 struct _pcie_device *mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1632 	u16 handle);
1633 
1634 void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
1635 struct _raid_device *
1636 mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1637 void mpt3sas_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth);
1638 
1639 /* config shared API */
1640 u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1641 	u32 reply);
1642 int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1643 	u8 *num_phys);
1644 int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1645 	Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1646 int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1647 	Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1648 	u16 sz);
1649 int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1650 	Mpi2ConfigReply_t *mpi_reply,
1651 	struct Mpi2ManufacturingPage10_t *config_page);
1652 
1653 int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1654 	Mpi2ConfigReply_t *mpi_reply,
1655 	struct Mpi2ManufacturingPage11_t  *config_page);
1656 int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1657 	Mpi2ConfigReply_t *mpi_reply,
1658 	struct Mpi2ManufacturingPage11_t *config_page);
1659 
1660 int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1661 	*mpi_reply, Mpi2BiosPage2_t *config_page);
1662 int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1663 	*mpi_reply, Mpi2BiosPage3_t *config_page);
1664 int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1665 	*mpi_reply, Mpi2IOUnitPage0_t *config_page);
1666 int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1667 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1668 	u32 form, u32 handle);
1669 int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1670 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1671 	u32 form, u32 handle);
1672 int mpt3sas_config_get_pcie_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1673 	Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage0_t *config_page,
1674 	u32 form, u32 handle);
1675 int mpt3sas_config_get_pcie_device_pg2(struct MPT3SAS_ADAPTER *ioc,
1676 	Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage2_t *config_page,
1677 	u32 form, u32 handle);
1678 int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1679 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1680 	u16 sz);
1681 int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1682 	*mpi_reply, Mpi2IOUnitPage1_t *config_page);
1683 int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc,
1684 	Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
1685 int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1686 	*mpi_reply, Mpi2IOUnitPage1_t *config_page);
1687 int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1688 	*mpi_reply, Mpi2IOUnitPage8_t *config_page);
1689 int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1690 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1691 	u16 sz);
1692 int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1693 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1694 	u16 sz);
1695 int mpt3sas_config_get_ioc_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1696 	*mpi_reply, Mpi2IOCPage1_t *config_page);
1697 int mpt3sas_config_set_ioc_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1698 	*mpi_reply, Mpi2IOCPage1_t *config_page);
1699 int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1700 	*mpi_reply, Mpi2IOCPage8_t *config_page);
1701 int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1702 	Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1703 	u32 form, u32 handle);
1704 int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1705 	Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1706 	u32 phy_number, u16 handle);
1707 int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1708 	Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1709 	u32 form, u32 handle);
1710 int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1711 	*mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1712 int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1713 	*mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1714 int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1715 	Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1716 	u32 handle);
1717 int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1718 	u8 *num_pds);
1719 int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1720 	Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1721 	u32 handle, u16 sz);
1722 int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1723 	Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1724 	u32 form, u32 form_specific);
1725 int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1726 	u16 *volume_handle);
1727 int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1728 	u16 volume_handle, u64 *wwid);
1729 
1730 /* ctl shared API */
1731 extern struct device_attribute *mpt3sas_host_attrs[];
1732 extern struct device_attribute *mpt3sas_dev_attrs[];
1733 void mpt3sas_ctl_init(ushort hbas_to_enumerate);
1734 void mpt3sas_ctl_exit(ushort hbas_to_enumerate);
1735 u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1736 	u32 reply);
1737 void mpt3sas_ctl_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1738 void mpt3sas_ctl_clear_outstanding_ioctls(struct MPT3SAS_ADAPTER *ioc);
1739 void mpt3sas_ctl_reset_done_handler(struct MPT3SAS_ADAPTER *ioc);
1740 u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1741 	u8 msix_index, u32 reply);
1742 void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1743 	Mpi2EventNotificationReply_t *mpi_reply);
1744 
1745 void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1746 	u8 bits_to_register);
1747 int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1748 	u8 *issue_reset);
1749 
1750 /* transport shared API */
1751 extern struct scsi_transport_template *mpt3sas_transport_template;
1752 u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1753 	u32 reply);
1754 struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
1755 	u16 handle, u64 sas_address);
1756 void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1757 	u64 sas_address_parent);
1758 int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
1759 	*mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1760 int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
1761 	struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
1762 	struct device *parent_dev);
1763 void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
1764 	u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1765 extern struct sas_function_template mpt3sas_transport_functions;
1766 extern struct scsi_transport_template *mpt3sas_transport_template;
1767 /* trigger data externs */
1768 void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
1769 	struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1770 void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
1771 	struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1772 void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
1773 	u32 tigger_bitmask);
1774 void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
1775 	u16 log_entry_qualifier);
1776 void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
1777 	u8 asc, u8 ascq);
1778 void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
1779 	u32 loginfo);
1780 
1781 /* warpdrive APIs */
1782 u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc);
1783 void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc,
1784 	struct _raid_device *raid_device);
1785 void
1786 mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
1787 	struct _raid_device *raid_device, Mpi25SCSIIORequest_t *mpi_request);
1788 
1789 /* NCQ Prio Handling Check */
1790 bool scsih_ncq_prio_supp(struct scsi_device *sdev);
1791 
1792 void mpt3sas_setup_debugfs(struct MPT3SAS_ADAPTER *ioc);
1793 void mpt3sas_destroy_debugfs(struct MPT3SAS_ADAPTER *ioc);
1794 void mpt3sas_init_debugfs(void);
1795 void mpt3sas_exit_debugfs(void);
1796 
1797 /**
1798  * _scsih_is_pcie_scsi_device - determines if device is an pcie scsi device
1799  * @device_info: bitfield providing information about the device.
1800  * Context: none
1801  *
1802  * Returns 1 if scsi device.
1803  */
1804 static inline int
1805 mpt3sas_scsih_is_pcie_scsi_device(u32 device_info)
1806 {
1807 	if ((device_info &
1808 	    MPI26_PCIE_DEVINFO_MASK_DEVICE_TYPE) == MPI26_PCIE_DEVINFO_SCSI)
1809 		return 1;
1810 	else
1811 		return 0;
1812 }
1813 #endif /* MPT3SAS_BASE_H_INCLUDED */
1814