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Merge tag 'efi-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into...
[mirror_ubuntu-artful-kernel.git] / drivers / scsi / mpt3sas / mpt3sas_base.h
CommitLineData
f92363d1
SR		 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
a4ffce0d 6 * Copyright (C) 2012-2014 LSI Corporation
a03bd153
SR		 7 * Copyright (C) 2013-2014 Avago Technologies
8 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
f92363d1
SR		 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
58#include <scsi/scsi.h>
59#include <scsi/scsi_cmnd.h>
60#include <scsi/scsi_device.h>
61#include <scsi/scsi_host.h>
62#include <scsi/scsi_tcq.h>
63#include <scsi/scsi_transport_sas.h>
64#include <scsi/scsi_dbg.h>
65#include <scsi/scsi_eh.h>
8a7e4c24
SR		 66#include <linux/pci.h>
67#include <linux/poll.h>
f92363d1
SR		 68
69#include "mpt3sas_debug.h"
70#include "mpt3sas_trigger_diag.h"
71
72/* driver versioning info */
73#define MPT3SAS_DRIVER_NAME "mpt3sas"
a03bd153 74#define MPT3SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>"
f92363d1 75#define MPT3SAS_DESCRIPTION "LSI MPT Fusion SAS 3.0 Device Driver"
7cfa7696
C		 76#define MPT3SAS_DRIVER_VERSION "15.100.00.00"
77#define MPT3SAS_MAJOR_VERSION 15
78#define MPT3SAS_MINOR_VERSION 100
e9ce9c86 79#define MPT3SAS_BUILD_VERSION 0
f92363d1
SR		 80#define MPT3SAS_RELEASE_VERSION 00
81
d0c627af
SR		 82#define MPT2SAS_DRIVER_NAME "mpt2sas"
83#define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver"
84#define MPT2SAS_DRIVER_VERSION "20.102.00.00"
85#define MPT2SAS_MAJOR_VERSION 20
86#define MPT2SAS_MINOR_VERSION 102
87#define MPT2SAS_BUILD_VERSION 0
88#define MPT2SAS_RELEASE_VERSION 00
89
f92363d1
SR		 90/*
91 * Set MPT3SAS_SG_DEPTH value based on user input.
92 */
65e8617f 93#define MPT_MAX_PHYS_SEGMENTS SG_CHUNK_SIZE
8a7e4c24
SR		 94#define MPT_MIN_PHYS_SEGMENTS 16
95
f92363d1
SR		 96#ifdef CONFIG_SCSI_MPT3SAS_MAX_SGE
97#define MPT3SAS_SG_DEPTH CONFIG_SCSI_MPT3SAS_MAX_SGE
98#else
8a7e4c24 99#define MPT3SAS_SG_DEPTH MPT_MAX_PHYS_SEGMENTS
f92363d1
SR		 100#endif
101
8a7e4c24
SR		 102#ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
103#define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE
104#else
105#define MPT2SAS_SG_DEPTH MPT_MAX_PHYS_SEGMENTS
106#endif
f92363d1
SR		 107
108/*
109 * Generic Defines
110 */
111#define MPT3SAS_SATA_QUEUE_DEPTH 32
112#define MPT3SAS_SAS_QUEUE_DEPTH 254
113#define MPT3SAS_RAID_QUEUE_DEPTH 128
114
6c197093
C		 115#define MPT3SAS_RAID_MAX_SECTORS 8192
116
f92363d1
SR		 117#define MPT_NAME_LENGTH 32 /* generic length of strings */
118#define MPT_STRING_LENGTH 64
119
120#define MPT_MAX_CALLBACKS 32
121
f92363d1 122#define INTERNAL_CMDS_COUNT 10 /* reserved cmds */
fd0331b3
SS		 123/* reserved for issuing internally framed scsi io cmds */
124#define INTERNAL_SCSIIO_CMDS_COUNT 3
f92363d1
SR		 125
126#define MPI3_HIM_MASK 0xFFFFFFFF /* mask every bit*/
127
128#define MPT3SAS_INVALID_DEVICE_HANDLE 0xFFFF
129
ebb3024e
SS		 130#define MAX_CHAIN_ELEMT_SZ 16
131#define DEFAULT_NUM_FWCHAIN_ELEMTS 8
132
f92363d1
SR		 133/*
134 * reset phases
135 */
136#define MPT3_IOC_PRE_RESET 1 /* prior to host reset */
137#define MPT3_IOC_AFTER_RESET 2 /* just after host reset */
138#define MPT3_IOC_DONE_RESET 3 /* links re-initialized */
139
140/*
141 * logging format
142 */
143#define MPT3SAS_FMT "%s: "
144
7786ab6a
SR		 145/*
146 * WarpDrive Specific Log codes
147 */
148
149#define MPT2_WARPDRIVE_LOGENTRY (0x8002)
150#define MPT2_WARPDRIVE_LC_SSDT (0x41)
151#define MPT2_WARPDRIVE_LC_SSDLW (0x43)
152#define MPT2_WARPDRIVE_LC_SSDLF (0x44)
153#define MPT2_WARPDRIVE_LC_BRMF (0x4D)
154
f92363d1
SR		 155/*
156 * per target private data
157 */
158#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
159#define MPT_TARGET_FLAGS_VOLUME 0x02
160#define MPT_TARGET_FLAGS_DELETED 0x04
161#define MPT_TARGET_FASTPATH_IO 0x08
162
42081173
SR		 163#define SAS2_PCI_DEVICE_B0_REVISION (0x01)
164#define SAS3_PCI_DEVICE_C0_REVISION (0x02)
165
1117b31a
SR		 166/*
167 * Intel HBA branding
168 */
989e43c7
SR		 169#define MPT2SAS_INTEL_RMS25JB080_BRANDING \
170 "Intel(R) Integrated RAID Module RMS25JB080"
171#define MPT2SAS_INTEL_RMS25JB040_BRANDING \
172 "Intel(R) Integrated RAID Module RMS25JB040"
173#define MPT2SAS_INTEL_RMS25KB080_BRANDING \
174 "Intel(R) Integrated RAID Module RMS25KB080"
175#define MPT2SAS_INTEL_RMS25KB040_BRANDING \
176 "Intel(R) Integrated RAID Module RMS25KB040"
177#define MPT2SAS_INTEL_RMS25LB040_BRANDING \
178 "Intel(R) Integrated RAID Module RMS25LB040"
179#define MPT2SAS_INTEL_RMS25LB080_BRANDING \
180 "Intel(R) Integrated RAID Module RMS25LB080"
181#define MPT2SAS_INTEL_RMS2LL080_BRANDING \
182 "Intel Integrated RAID Module RMS2LL080"
183#define MPT2SAS_INTEL_RMS2LL040_BRANDING \
184 "Intel Integrated RAID Module RMS2LL040"
185#define MPT2SAS_INTEL_RS25GB008_BRANDING \
186 "Intel(R) RAID Controller RS25GB008"
187#define MPT2SAS_INTEL_SSD910_BRANDING \
188 "Intel(R) SSD 910 Series"
189
1117b31a
SR		 190#define MPT3SAS_INTEL_RMS3JC080_BRANDING \
191 "Intel(R) Integrated RAID Module RMS3JC080"
192#define MPT3SAS_INTEL_RS3GC008_BRANDING \
193 "Intel(R) RAID Controller RS3GC008"
194#define MPT3SAS_INTEL_RS3FC044_BRANDING \
195 "Intel(R) RAID Controller RS3FC044"
196#define MPT3SAS_INTEL_RS3UC080_BRANDING \
197 "Intel(R) RAID Controller RS3UC080"
f92363d1 198
1117b31a
SR		 199/*
200 * Intel HBA SSDIDs
201 */
989e43c7
SR		 202#define MPT2SAS_INTEL_RMS25JB080_SSDID 0x3516
203#define MPT2SAS_INTEL_RMS25JB040_SSDID 0x3517
204#define MPT2SAS_INTEL_RMS25KB080_SSDID 0x3518
205#define MPT2SAS_INTEL_RMS25KB040_SSDID 0x3519
206#define MPT2SAS_INTEL_RMS25LB040_SSDID 0x351A
207#define MPT2SAS_INTEL_RMS25LB080_SSDID 0x351B
208#define MPT2SAS_INTEL_RMS2LL080_SSDID 0x350E
209#define MPT2SAS_INTEL_RMS2LL040_SSDID 0x350F
210#define MPT2SAS_INTEL_RS25GB008_SSDID 0x3000
211#define MPT2SAS_INTEL_SSD910_SSDID 0x3700
212
213#define MPT3SAS_INTEL_RMS3JC080_SSDID 0x3521
214#define MPT3SAS_INTEL_RS3GC008_SSDID 0x3522
215#define MPT3SAS_INTEL_RS3FC044_SSDID 0x3523
216#define MPT3SAS_INTEL_RS3UC080_SSDID 0x3524
f92363d1 217
fb84dfc4
SR		 218/*
219 * Dell HBA branding
220 */
989e43c7
SR		 221#define MPT2SAS_DELL_BRANDING_SIZE 32
222
223#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA"
224#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter"
225#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
226#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular"
227#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded"
228#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200"
229#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS"
230
fb84dfc4
SR		 231#define MPT3SAS_DELL_12G_HBA_BRANDING \
232 "Dell 12Gbps HBA"
233
234/*
235 * Dell HBA SSDIDs
236 */
989e43c7
SR		 237#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C
238#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D
239#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
240#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F
241#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20
242#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21
243#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22
244
245#define MPT3SAS_DELL_12G_HBA_SSDID 0x1F46
fb84dfc4 246
38e4141e
SR		 247/*
248 * Cisco HBA branding
249 */
d8eb4a47 250#define MPT3SAS_CISCO_12G_8E_HBA_BRANDING \
989e43c7 251 "Cisco 9300-8E 12G SAS HBA"
d8eb4a47 252#define MPT3SAS_CISCO_12G_8I_HBA_BRANDING \
989e43c7 253 "Cisco 9300-8i 12G SAS HBA"
d8eb4a47 254#define MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING \
989e43c7 255 "Cisco 12G Modular SAS Pass through Controller"
d8eb4a47 256#define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING \
989e43c7 257 "UCS C3X60 12G SAS Pass through Controller"
38e4141e
SR		 258/*
259 * Cisco HBA SSSDIDs
260 */
d8eb4a47
SR		 261#define MPT3SAS_CISCO_12G_8E_HBA_SSDID 0x14C
262#define MPT3SAS_CISCO_12G_8I_HBA_SSDID 0x154
263#define MPT3SAS_CISCO_12G_AVILA_HBA_SSDID 0x155
264#define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID 0x156
38e4141e 265
f92363d1
SR		 266/*
267 * status bits for ioc->diag_buffer_status
268 */
269#define MPT3_DIAG_BUFFER_IS_REGISTERED (0x01)
270#define MPT3_DIAG_BUFFER_IS_RELEASED (0x02)
271#define MPT3_DIAG_BUFFER_IS_DIAG_RESET (0x04)
272
989e43c7
SR		 273/*
274 * HP HBA branding
275 */
276#define MPT2SAS_HP_3PAR_SSVID 0x1590
277
278#define MPT2SAS_HP_2_4_INTERNAL_BRANDING \
279 "HP H220 Host Bus Adapter"
280#define MPT2SAS_HP_2_4_EXTERNAL_BRANDING \
281 "HP H221 Host Bus Adapter"
282#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING \
283 "HP H222 Host Bus Adapter"
284#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING \
285 "HP H220i Host Bus Adapter"
286#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING \
287 "HP H210i Host Bus Adapter"
288
289/*
290 * HO HBA SSDIDs
291 */
292#define MPT2SAS_HP_2_4_INTERNAL_SSDID 0x0041
293#define MPT2SAS_HP_2_4_EXTERNAL_SSDID 0x0042
294#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID 0x0043
295#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID 0x0044
296#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID 0x0046
297
fb77bb53
SR		 298/*
299 * Combined Reply Queue constants,
300 * There are twelve Supplemental Reply Post Host Index Registers
301 * and each register is at offset 0x10 bytes from the previous one.
302 */
0bb337c9
SPS		 303#define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3 12
304#define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35 16
305#define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET (0x10)
f92363d1
SR		 306
307/* OEM Identifiers */
308#define MFG10_OEM_ID_INVALID (0x00000000)
309#define MFG10_OEM_ID_DELL (0x00000001)
310#define MFG10_OEM_ID_FSC (0x00000002)
311#define MFG10_OEM_ID_SUN (0x00000003)
312#define MFG10_OEM_ID_IBM (0x00000004)
313
314/* GENERIC Flags 0*/
315#define MFG10_GF0_OCE_DISABLED (0x00000001)
316#define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002)
317#define MFG10_GF0_R10_DISPLAY (0x00000004)
318#define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008)
319#define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010)
320
3898f08e
SR		 321#define VIRTUAL_IO_FAILED_RETRY (0x32010081)
322
f92363d1
SR		 323/* OEM Specific Flags will come from OEM specific header files */
324struct Mpi2ManufacturingPage10_t {
325 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
326 U8 OEMIdentifier; /* 04h */
327 U8 Reserved1; /* 05h */
328 U16 Reserved2; /* 08h */
329 U32 Reserved3; /* 0Ch */
330 U32 GenericFlags0; /* 10h */
331 U32 GenericFlags1; /* 14h */
332 U32 Reserved4; /* 18h */
333 U32 OEMSpecificFlags0; /* 1Ch */
334 U32 OEMSpecificFlags1; /* 20h */
335 U32 Reserved5[18]; /* 24h - 60h*/
336};
337
338
339/* Miscellaneous options */
340struct Mpi2ManufacturingPage11_t {
341 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
342 __le32 Reserved1; /* 04h */
343 u8 Reserved2; /* 08h */
344 u8 EEDPTagMode; /* 09h */
345 u8 Reserved3; /* 0Ah */
346 u8 Reserved4; /* 0Bh */
347 __le32 Reserved5[23]; /* 0Ch-60h*/
348};
349
350/**
351 * struct MPT3SAS_TARGET - starget private hostdata
352 * @starget: starget object
353 * @sas_address: target sas address
7786ab6a 354 * @raid_device: raid_device pointer to access volume data
f92363d1
SR		 355 * @handle: device handle
356 * @num_luns: number luns
357 * @flags: MPT_TARGET_FLAGS_XXX flags
358 * @deleted: target flaged for deletion
359 * @tm_busy: target is busy with TM request.
d1cb5e49 360 * @sdev: The sas_device associated with this target
f92363d1
SR		 361 */
362struct MPT3SAS_TARGET {
363 struct scsi_target *starget;
364 u64 sas_address;
7786ab6a 365 struct _raid_device *raid_device;
f92363d1
SR		 366 u16 handle;
367 int num_luns;
368 u32 flags;
369 u8 deleted;
370 u8 tm_busy;
d1cb5e49 371 struct _sas_device *sdev;
f92363d1
SR		 372};
373
374
375/*
376 * per device private data
377 */
378#define MPT_DEVICE_FLAGS_INIT 0x01
f92363d1 379
7786ab6a
SR		 380#define MFG_PAGE10_HIDE_SSDS_MASK (0x00000003)
381#define MFG_PAGE10_HIDE_ALL_DISKS (0x00)
382#define MFG_PAGE10_EXPOSE_ALL_DISKS (0x01)
383#define MFG_PAGE10_HIDE_IF_VOL_PRESENT (0x02)
384
f92363d1
SR		 385/**
386 * struct MPT3SAS_DEVICE - sdev private hostdata
387 * @sas_target: starget private hostdata
388 * @lun: lun number
389 * @flags: MPT_DEVICE_XXX flags
390 * @configured_lun: lun is configured
391 * @block: device is in SDEV_BLOCK state
392 * @tlr_snoop_check: flag used in determining whether to disable TLR
393 * @eedp_enable: eedp support enable bit
394 * @eedp_type: 0(type_1), 1(type_2), 2(type_3)
395 * @eedp_block_length: block size
ffb58456 396 * @ata_command_pending: SATL passthrough outstanding for device
f92363d1
SR		 397 */
398struct MPT3SAS_DEVICE {
399 struct MPT3SAS_TARGET *sas_target;
400 unsigned int lun;
401 u32 flags;
402 u8 configured_lun;
403 u8 block;
404 u8 tlr_snoop_check;
30158dc9 405 u8 ignore_delay_remove;
307d9075
AM		 406 /* Iopriority Command Handling */
407 u8 ncq_prio_enable;
ffb58456
JB		 408 /*
409 * Bug workaround for SATL handling: the mpt2/3sas firmware
410 * doesn't return BUSY or TASK_SET_FULL for subsequent
411 * commands while a SATL pass through is in operation as the
412 * spec requires, it simply does nothing with them until the
413 * pass through completes, causing them possibly to timeout if
414 * the passthrough is a long executing command (like format or
415 * secure erase). This variable allows us to do the right
416 * thing while a SATL command is pending.
417 */
418 unsigned long ata_command_pending;
307d9075 419
f92363d1
SR		 420};
421
422#define MPT3_CMD_NOT_USED 0x8000 /* free */
423#define MPT3_CMD_COMPLETE 0x0001 /* completed */
424#define MPT3_CMD_PENDING 0x0002 /* pending */
425#define MPT3_CMD_REPLY_VALID 0x0004 /* reply is valid */
426#define MPT3_CMD_RESET 0x0008 /* host reset dropped the command */
427
428/**
429 * struct _internal_cmd - internal commands struct
430 * @mutex: mutex
431 * @done: completion
432 * @reply: reply message pointer
433 * @sense: sense data
434 * @status: MPT3_CMD_XXX status
435 * @smid: system message id
436 */
437struct _internal_cmd {
438 struct mutex mutex;
439 struct completion done;
440 void *reply;
441 void *sense;
442 u16 status;
443 u16 smid;
444};
445
446
447
448/**
449 * struct _sas_device - attached device information
450 * @list: sas device list
451 * @starget: starget object
452 * @sas_address: device sas address
453 * @device_name: retrieved from the SAS IDENTIFY frame.
454 * @handle: device handle
455 * @sas_address_parent: sas address of parent expander or sas host
456 * @enclosure_handle: enclosure handle
457 * @enclosure_logical_id: enclosure logical identifier
458 * @volume_handle: volume handle (valid when hidden raid member)
459 * @volume_wwid: volume unique identifier
460 * @device_info: bitfield provides detailed info about the device
461 * @id: target id
462 * @channel: target channel
463 * @slot: number number
464 * @phy: phy identifier provided in sas device page 0
f92363d1 465 * @responding: used in _scsih_sas_device_mark_responding
0f624c39
SR		 466 * @fast_path: fast path feature enable bit
467 * @pfa_led_on: flag for PFA LED status
e4bc7f5c
SR		 468 * @pend_sas_rphy_add: flag to check if device is in sas_rphy_add()
469 * addition routine.
f92363d1
SR		 470 */
471struct _sas_device {
472 struct list_head list;
473 struct scsi_target *starget;
474 u64 sas_address;
475 u64 device_name;
476 u16 handle;
477 u64 sas_address_parent;
478 u16 enclosure_handle;
479 u64 enclosure_logical_id;
480 u16 volume_handle;
481 u64 volume_wwid;
482 u32 device_info;
483 int id;
484 int channel;
485 u16 slot;
486 u8 phy;
487 u8 responding;
488 u8 fast_path;
0f624c39 489 u8 pfa_led_on;
e4bc7f5c 490 u8 pend_sas_rphy_add;
e6d45e3e 491 u8 enclosure_level;
310c8e40 492 u8 connector_name[5];
d1cb5e49 493 struct kref refcount;
f92363d1
SR		 494};
495
d1cb5e49
SR		 496static inline void sas_device_get(struct _sas_device *s)
497{
498 kref_get(&s->refcount);
499}
500
501static inline void sas_device_free(struct kref *r)
502{
503 kfree(container_of(r, struct _sas_device, refcount));
504}
505
506static inline void sas_device_put(struct _sas_device *s)
507{
508 kref_put(&s->refcount, sas_device_free);
509}
510
f92363d1
SR		 511/**
512 * struct _raid_device - raid volume link list
513 * @list: sas device list
514 * @starget: starget object
515 * @sdev: scsi device struct (volumes are single lun)
516 * @wwid: unique identifier for the volume
517 * @handle: device handle
7786ab6a 518 * @block_size: Block size of the volume
f92363d1
SR		 519 * @id: target id
520 * @channel: target channel
521 * @volume_type: the raid level
522 * @device_info: bitfield provides detailed info about the hidden components
523 * @num_pds: number of hidden raid components
524 * @responding: used in _scsih_raid_device_mark_responding
525 * @percent_complete: resync percent complete
7786ab6a
SR		 526 * @direct_io_enabled: Whether direct io to PDs are allowed or not
527 * @stripe_exponent: X where 2powX is the stripe sz in blocks
528 * @block_exponent: X where 2powX is the block sz in bytes
529 * @max_lba: Maximum number of LBA in the volume
530 * @stripe_sz: Stripe Size of the volume
531 * @device_info: Device info of the volume member disk
532 * @pd_handle: Array of handles of the physical drives for direct I/O in le16
f92363d1
SR		 533 */
534#define MPT_MAX_WARPDRIVE_PDS 8
535struct _raid_device {
536 struct list_head list;
537 struct scsi_target *starget;
538 struct scsi_device *sdev;
539 u64 wwid;
540 u16 handle;
7786ab6a 541 u16 block_sz;
f92363d1
SR		 542 int id;
543 int channel;
544 u8 volume_type;
545 u8 num_pds;
546 u8 responding;
547 u8 percent_complete;
7786ab6a
SR		 548 u8 direct_io_enabled;
549 u8 stripe_exponent;
550 u8 block_exponent;
551 u64 max_lba;
552 u32 stripe_sz;
f92363d1 553 u32 device_info;
7786ab6a 554 u16 pd_handle[MPT_MAX_WARPDRIVE_PDS];
f92363d1
SR		 555};
556
557/**
558 * struct _boot_device - boot device info
559 * @is_raid: flag to indicate whether this is volume
560 * @device: holds pointer for either struct _sas_device or
561 * struct _raid_device
562 */
563struct _boot_device {
564 u8 is_raid;
565 void *device;
566};
567
568/**
569 * struct _sas_port - wide/narrow sas port information
570 * @port_list: list of ports belonging to expander
571 * @num_phys: number of phys belonging to this port
572 * @remote_identify: attached device identification
573 * @rphy: sas transport rphy object
574 * @port: sas transport wide/narrow port object
575 * @phy_list: _sas_phy list objects belonging to this port
576 */
577struct _sas_port {
578 struct list_head port_list;
579 u8 num_phys;
580 struct sas_identify remote_identify;
581 struct sas_rphy *rphy;
582 struct sas_port *port;
583 struct list_head phy_list;
584};
585
586/**
587 * struct _sas_phy - phy information
588 * @port_siblings: list of phys belonging to a port
589 * @identify: phy identification
590 * @remote_identify: attached device identification
591 * @phy: sas transport phy object
592 * @phy_id: unique phy id
593 * @handle: device handle for this phy
594 * @attached_handle: device handle for attached device
595 * @phy_belongs_to_port: port has been created for this phy
596 */
597struct _sas_phy {
598 struct list_head port_siblings;
599 struct sas_identify identify;
600 struct sas_identify remote_identify;
601 struct sas_phy *phy;
602 u8 phy_id;
603 u16 handle;
604 u16 attached_handle;
605 u8 phy_belongs_to_port;
606};
607
608/**
609 * struct _sas_node - sas_host/expander information
610 * @list: list of expanders
611 * @parent_dev: parent device class
612 * @num_phys: number phys belonging to this sas_host/expander
613 * @sas_address: sas address of this sas_host/expander
614 * @handle: handle for this sas_host/expander
615 * @sas_address_parent: sas address of parent expander or sas host
616 * @enclosure_handle: handle for this a member of an enclosure
617 * @device_info: bitwise defining capabilities of this sas_host/expander
618 * @responding: used in _scsih_expander_device_mark_responding
619 * @phy: a list of phys that make up this sas_host/expander
620 * @sas_port_list: list of ports attached to this sas_host/expander
621 */
622struct _sas_node {
623 struct list_head list;
624 struct device *parent_dev;
625 u8 num_phys;
626 u64 sas_address;
627 u16 handle;
628 u64 sas_address_parent;
629 u16 enclosure_handle;
630 u64 enclosure_logical_id;
631 u8 responding;
632 struct _sas_phy *phy;
633 struct list_head sas_port_list;
634};
635
636/**
637 * enum reset_type - reset state
638 * @FORCE_BIG_HAMMER: issue diagnostic reset
639 * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
640 */
641enum reset_type {
642 FORCE_BIG_HAMMER,
643 SOFT_RESET,
644};
645
646/**
647 * struct chain_tracker - firmware chain tracker
648 * @chain_buffer: chain buffer
649 * @chain_buffer_dma: physical address
650 * @tracker_list: list of free request (ioc->free_chain_list)
651 */
652struct chain_tracker {
653 void *chain_buffer;
654 dma_addr_t chain_buffer_dma;
655 struct list_head tracker_list;
656};
657
658/**
659 * struct scsiio_tracker - scsi mf request tracker
660 * @smid: system message id
661 * @scmd: scsi request pointer
662 * @cb_idx: callback index
7786ab6a 663 * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
f92363d1 664 * @tracker_list: list of free request (ioc->free_list)
03d1fb3a 665 * @msix_io: IO's msix
f92363d1
SR		 666 */
667struct scsiio_tracker {
668 u16 smid;
669 struct scsi_cmnd *scmd;
670 u8 cb_idx;
7786ab6a 671 u8 direct_io;
f92363d1
SR		 672 struct list_head chain_list;
673 struct list_head tracker_list;
03d1fb3a 674 u16 msix_io;
f92363d1
SR		 675};
676
677/**
678 * struct request_tracker - firmware request tracker
679 * @smid: system message id
680 * @cb_idx: callback index
681 * @tracker_list: list of free request (ioc->free_list)
682 */
683struct request_tracker {
684 u16 smid;
685 u8 cb_idx;
686 struct list_head tracker_list;
687};
688
689/**
690 * struct _tr_list - target reset list
691 * @handle: device handle
692 * @state: state machine
693 */
694struct _tr_list {
695 struct list_head list;
696 u16 handle;
697 u16 state;
698};
699
fd0331b3
SS		 700/**
701 * struct _sc_list - delayed SAS_IO_UNIT_CONTROL message list
702 * @handle: device handle
703 */
704struct _sc_list {
705 struct list_head list;
706 u16 handle;
707};
708
709/**
710 * struct _event_ack_list - delayed event acknowledgment list
711 * @Event: Event ID
712 * @EventContext: used to track the event uniquely
713 */
714struct _event_ack_list {
715 struct list_head list;
716 u16 Event;
717 u32 EventContext;
718};
f92363d1
SR		 719
720/**
721 * struct adapter_reply_queue - the reply queue struct
722 * @ioc: per adapter object
723 * @msix_index: msix index into vector table
724 * @vector: irq vector
725 * @reply_post_host_index: head index in the pool where FW completes IO
726 * @reply_post_free: reply post base virt address
727 * @name: the name registered to request_irq()
728 * @busy: isr is actively processing replies on another cpu
729 * @list: this list
730*/
731struct adapter_reply_queue {
732 struct MPT3SAS_ADAPTER *ioc;
733 u8 msix_index;
f92363d1
SR		 734 u32 reply_post_host_index;
735 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
736 char name[MPT_NAME_LENGTH];
737 atomic_t busy;
738 struct list_head list;
739};
740
741typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
742
743/* SAS3.0 support */
744typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
745 struct scsi_cmnd *scmd, u16 smid);
746typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
747 dma_addr_t data_out_dma, size_t data_out_sz,
748 dma_addr_t data_in_dma, size_t data_in_sz);
749typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
750 void *paddr);
751
81c16f83
SPS		 752/* To support atomic and non atomic descriptors*/
753typedef void (*PUT_SMID_IO_FP_HIP) (struct MPT3SAS_ADAPTER *ioc, u16 smid,
754 u16 funcdep);
755typedef void (*PUT_SMID_DEFAULT) (struct MPT3SAS_ADAPTER *ioc, u16 smid);
f92363d1
SR		 756
757/* IOC Facts and Port Facts converted from little endian to cpu */
758union mpi3_version_union {
759 MPI2_VERSION_STRUCT Struct;
760 u32 Word;
761};
762
763struct mpt3sas_facts {
764 u16 MsgVersion;
765 u16 HeaderVersion;
766 u8 IOCNumber;
767 u8 VP_ID;
768 u8 VF_ID;
769 u16 IOCExceptions;
770 u16 IOCStatus;
771 u32 IOCLogInfo;
772 u8 MaxChainDepth;
773 u8 WhoInit;
774 u8 NumberOfPorts;
775 u8 MaxMSIxVectors;
776 u16 RequestCredit;
777 u16 ProductID;
778 u32 IOCCapabilities;
779 union mpi3_version_union FWVersion;
780 u16 IOCRequestFrameSize;
ebb3024e 781 u16 IOCMaxChainSegmentSize;
f92363d1
SR		 782 u16 MaxInitiators;
783 u16 MaxTargets;
784 u16 MaxSasExpanders;
785 u16 MaxEnclosures;
786 u16 ProtocolFlags;
787 u16 HighPriorityCredit;
788 u16 MaxReplyDescriptorPostQueueDepth;
789 u8 ReplyFrameSize;
790 u8 MaxVolumes;
791 u16 MaxDevHandle;
792 u16 MaxPersistentEntries;
793 u16 MinDevHandle;
794};
795
796struct mpt3sas_port_facts {
797 u8 PortNumber;
798 u8 VP_ID;
799 u8 VF_ID;
800 u8 PortType;
801 u16 MaxPostedCmdBuffers;
802};
803
9b05c91a
SR		 804struct reply_post_struct {
805 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
806 dma_addr_t reply_post_free_dma;
807};
808
f92363d1
SR		 809typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
810/**
811 * struct MPT3SAS_ADAPTER - per adapter struct
812 * @list: ioc_list
813 * @shost: shost object
814 * @id: unique adapter id
815 * @cpu_count: number online cpus
816 * @name: generic ioc string
817 * @tmp_string: tmp string used for logging
818 * @pdev: pci pdev object
819 * @pio_chip: physical io register space
820 * @chip: memory mapped register space
821 * @chip_phys: physical addrss prior to mapping
822 * @logging_level: see mpt3sas_debug.h
823 * @fwfault_debug: debuging FW timeouts
824 * @ir_firmware: IR firmware present
825 * @bars: bitmask of BAR's that must be configured
826 * @mask_interrupts: ignore interrupt
9b05c91a 827 * @dma_mask: used to set the consistent dma mask
f92363d1
SR		 828 * @fault_reset_work_q_name: fw fault work queue
829 * @fault_reset_work_q: ""
830 * @fault_reset_work: ""
831 * @firmware_event_name: fw event work queue
832 * @firmware_event_thread: ""
833 * @fw_event_lock:
834 * @fw_event_list: list of fw events
835 * @aen_event_read_flag: event log was read
836 * @broadcast_aen_busy: broadcast aen waiting to be serviced
837 * @shost_recovery: host reset in progress
838 * @ioc_reset_in_progress_lock:
839 * @ioc_link_reset_in_progress: phy/hard reset in progress
840 * @ignore_loginfos: ignore loginfos during task management
841 * @remove_host: flag for when driver unloads, to avoid sending dev resets
842 * @pci_error_recovery: flag to prevent ioc access until slot reset completes
843 * @wait_for_discovery_to_complete: flag set at driver load time when
844 * waiting on reporting devices
845 * @is_driver_loading: flag set at driver load time
846 * @port_enable_failed: flag set when port enable has failed
847 * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
848 * @start_scan_failed: means port enable failed, return's the ioc_status
849 * @msix_enable: flag indicating msix is enabled
850 * @msix_vector_count: number msix vectors
851 * @cpu_msix_table: table for mapping cpus to msix index
852 * @cpu_msix_table_sz: table size
853 * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
854 * @scsi_io_cb_idx: shost generated commands
855 * @tm_cb_idx: task management commands
856 * @scsih_cb_idx: scsih internal commands
857 * @transport_cb_idx: transport internal commands
858 * @ctl_cb_idx: clt internal commands
859 * @base_cb_idx: base internal commands
860 * @config_cb_idx: base internal commands
861 * @tm_tr_cb_idx : device removal target reset handshake
862 * @tm_tr_volume_cb_idx : volume removal target reset
863 * @base_cmds:
864 * @transport_cmds:
865 * @scsih_cmds:
866 * @tm_cmds:
867 * @ctl_cmds:
868 * @config_cmds:
869 * @base_add_sg_single: handler for either 32/64 bit sgl's
870 * @event_type: bits indicating which events to log
871 * @event_context: unique id for each logged event
872 * @event_log: event log pointer
873 * @event_masks: events that are masked
874 * @facts: static facts data
875 * @pfacts: static port facts data
876 * @manu_pg0: static manufacturing page 0
877 * @manu_pg10: static manufacturing page 10
878 * @manu_pg11: static manufacturing page 11
879 * @bios_pg2: static bios page 2
880 * @bios_pg3: static bios page 3
881 * @ioc_pg8: static ioc page 8
882 * @iounit_pg0: static iounit page 0
883 * @iounit_pg1: static iounit page 1
2d8ce8c9 884 * @iounit_pg8: static iounit page 8
f92363d1
SR		 885 * @sas_hba: sas host object
886 * @sas_expander_list: expander object list
887 * @sas_node_lock:
888 * @sas_device_list: sas device object list
889 * @sas_device_init_list: sas device object list (used only at init time)
890 * @sas_device_lock:
891 * @io_missing_delay: time for IO completed by fw when PDR enabled
892 * @device_missing_delay: time for device missing by fw when PDR enabled
893 * @sas_id : used for setting volume target IDs
894 * @blocking_handles: bitmask used to identify which devices need blocking
895 * @pd_handles : bitmask for PD handles
896 * @pd_handles_sz : size of pd_handle bitmask
897 * @config_page_sz: config page size
898 * @config_page: reserve memory for config page payload
899 * @config_page_dma:
900 * @hba_queue_depth: hba request queue depth
901 * @sge_size: sg element size for either 32/64 bit
902 * @scsiio_depth: SCSI_IO queue depth
903 * @request_sz: per request frame size
904 * @request: pool of request frames
905 * @request_dma:
906 * @request_dma_sz:
907 * @scsi_lookup: firmware request tracker list
908 * @scsi_lookup_lock:
909 * @free_list: free list of request
910 * @pending_io_count:
911 * @reset_wq:
912 * @chain: pool of chains
913 * @chain_dma:
914 * @max_sges_in_main_message: number sg elements in main message
915 * @max_sges_in_chain_message: number sg elements per chain
916 * @chains_needed_per_io: max chains per io
917 * @chain_depth: total chains allocated
ebb3024e
SS		 918 * @chain_segment_sz: gives the max number of
919 * SGEs accommodate on single chain buffer
f92363d1
SR		 920 * @hi_priority_smid:
921 * @hi_priority:
922 * @hi_priority_dma:
923 * @hi_priority_depth:
924 * @hpr_lookup:
925 * @hpr_free_list:
926 * @internal_smid:
927 * @internal:
928 * @internal_dma:
929 * @internal_depth:
930 * @internal_lookup:
931 * @internal_free_list:
932 * @sense: pool of sense
933 * @sense_dma:
934 * @sense_dma_pool:
935 * @reply_depth: hba reply queue depth:
936 * @reply_sz: per reply frame size:
937 * @reply: pool of replys:
938 * @reply_dma:
939 * @reply_dma_pool:
940 * @reply_free_queue_depth: reply free depth
941 * @reply_free: pool for reply free queue (32 bit addr)
942 * @reply_free_dma:
943 * @reply_free_dma_pool:
944 * @reply_free_host_index: tail index in pool to insert free replys
945 * @reply_post_queue_depth: reply post queue depth
9b05c91a
SR		 946 * @reply_post_struct: struct for reply_post_free physical & virt address
947 * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
948 * @rdpq_array_enable: rdpq_array support is enabled in the driver
949 * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
950 * is assigned only ones
f92363d1
SR		 951 * @reply_queue_count: number of reply queue's
952 * @reply_queue_list: link list contaning the reply queue info
fb77bb53
SR		 953 * @msix96_vector: 96 MSI-X vector support
954 * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue
f92363d1
SR		 955 * @delayed_tr_list: target reset link list
956 * @delayed_tr_volume_list: volume target reset link list
fd0331b3
SS		 957 * @delayed_sc_list:
958 * @delayed_event_ack_list:
08c4d550
SR		 959 * @temp_sensors_count: flag to carry the number of temperature sensors
960 * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
961 * pci resource handling. PCI resource freeing will lead to free
962 * vital hardware/memory resource, which might be in use by cli/sysfs
963 * path functions resulting in Null pointer reference followed by kernel
964 * crash. To avoid the above race condition we use mutex syncrhonization
965 * which ensures the syncrhonization between cli/sysfs_show path.
f92363d1
SR		 966 */
967struct MPT3SAS_ADAPTER {
968 struct list_head list;
969 struct Scsi_Host *shost;
970 u8 id;
971 int cpu_count;
972 char name[MPT_NAME_LENGTH];
c84b06a4 973 char driver_name[MPT_NAME_LENGTH];
f92363d1
SR		 974 char tmp_string[MPT_STRING_LENGTH];
975 struct pci_dev *pdev;
976 Mpi2SystemInterfaceRegs_t __iomem *chip;
977 resource_size_t chip_phys;
978 int logging_level;
979 int fwfault_debug;
980 u8 ir_firmware;
981 int bars;
982 u8 mask_interrupts;
9b05c91a 983 int dma_mask;
f92363d1
SR		 984
985 /* fw fault handler */
986 char fault_reset_work_q_name[20];
987 struct workqueue_struct *fault_reset_work_q;
988 struct delayed_work fault_reset_work;
989
990 /* fw event handler */
991 char firmware_event_name[20];
992 struct workqueue_struct *firmware_event_thread;
993 spinlock_t fw_event_lock;
994 struct list_head fw_event_list;
995
996 /* misc flags */
997 int aen_event_read_flag;
998 u8 broadcast_aen_busy;
999 u16 broadcast_aen_pending;
1000 u8 shost_recovery;
459325c4 1001 u8 got_task_abort_from_ioctl;
f92363d1
SR		 1002
1003 struct mutex reset_in_progress_mutex;
1004 spinlock_t ioc_reset_in_progress_lock;
1005 u8 ioc_link_reset_in_progress;
1006 u8 ioc_reset_in_progress_status;
1007
1008 u8 ignore_loginfos;
1009 u8 remove_host;
1010 u8 pci_error_recovery;
1011 u8 wait_for_discovery_to_complete;
1012 u8 is_driver_loading;
1013 u8 port_enable_failed;
1014 u8 start_scan;
1015 u16 start_scan_failed;
1016
1017 u8 msix_enable;
1018 u16 msix_vector_count;
1019 u8 *cpu_msix_table;
1020 u16 cpu_msix_table_sz;
7786ab6a 1021 resource_size_t __iomem **reply_post_host_index;
f92363d1
SR		 1022 u32 ioc_reset_count;
1023 MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
16e179bd 1024 u32 non_operational_loop;
f92363d1
SR		 1025
1026 /* internal commands, callback index */
1027 u8 scsi_io_cb_idx;
1028 u8 tm_cb_idx;
1029 u8 transport_cb_idx;
1030 u8 scsih_cb_idx;
1031 u8 ctl_cb_idx;
1032 u8 base_cb_idx;
1033 u8 port_enable_cb_idx;
1034 u8 config_cb_idx;
1035 u8 tm_tr_cb_idx;
1036 u8 tm_tr_volume_cb_idx;
1037 u8 tm_sas_control_cb_idx;
1038 struct _internal_cmd base_cmds;
1039 struct _internal_cmd port_enable_cmds;
1040 struct _internal_cmd transport_cmds;
1041 struct _internal_cmd scsih_cmds;
1042 struct _internal_cmd tm_cmds;
1043 struct _internal_cmd ctl_cmds;
1044 struct _internal_cmd config_cmds;
1045
1046 MPT_ADD_SGE base_add_sg_single;
1047
1048 /* function ptr for either IEEE or MPI sg elements */
1049 MPT_BUILD_SG_SCMD build_sg_scmd;
1050 MPT_BUILD_SG build_sg;
1051 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
f92363d1 1052 u16 sge_size_ieee;
d357e84d 1053 u16 hba_mpi_version_belonged;
f92363d1
SR		 1054
1055 /* function ptr for MPI sg elements only */
1056 MPT_BUILD_SG build_sg_mpi;
1057 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
1058
1059 /* event log */
1060 u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1061 u32 event_context;
1062 void *event_log;
1063 u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1064
1065 /* static config pages */
1066 struct mpt3sas_facts facts;
1067 struct mpt3sas_port_facts *pfacts;
1068 Mpi2ManufacturingPage0_t manu_pg0;
1069 struct Mpi2ManufacturingPage10_t manu_pg10;
1070 struct Mpi2ManufacturingPage11_t manu_pg11;
1071 Mpi2BiosPage2_t bios_pg2;
1072 Mpi2BiosPage3_t bios_pg3;
1073 Mpi2IOCPage8_t ioc_pg8;
1074 Mpi2IOUnitPage0_t iounit_pg0;
1075 Mpi2IOUnitPage1_t iounit_pg1;
2d8ce8c9 1076 Mpi2IOUnitPage8_t iounit_pg8;
f92363d1
SR		 1077
1078 struct _boot_device req_boot_device;
1079 struct _boot_device req_alt_boot_device;
1080 struct _boot_device current_boot_device;
1081
1082 /* sas hba, expander, and device list */
1083 struct _sas_node sas_hba;
1084 struct list_head sas_expander_list;
1085 spinlock_t sas_node_lock;
1086 struct list_head sas_device_list;
1087 struct list_head sas_device_init_list;
1088 spinlock_t sas_device_lock;
1089 struct list_head raid_device_list;
1090 spinlock_t raid_device_lock;
1091 u8 io_missing_delay;
1092 u16 device_missing_delay;
1093 int sas_id;
1094
1095 void *blocking_handles;
1096 void *pd_handles;
1097 u16 pd_handles_sz;
1098
c696f7b8
SPS		 1099 void *pend_os_device_add;
1100 u16 pend_os_device_add_sz;
1101
f92363d1
SR		 1102 /* config page */
1103 u16 config_page_sz;
1104 void *config_page;
1105 dma_addr_t config_page_dma;
1106
1107 /* scsiio request */
1108 u16 hba_queue_depth;
1109 u16 sge_size;
1110 u16 scsiio_depth;
1111 u16 request_sz;
1112 u8 *request;
1113 dma_addr_t request_dma;
1114 u32 request_dma_sz;
1115 struct scsiio_tracker *scsi_lookup;
1116 ulong scsi_lookup_pages;
1117 spinlock_t scsi_lookup_lock;
1118 struct list_head free_list;
1119 int pending_io_count;
1120 wait_queue_head_t reset_wq;
1121
1122 /* chain */
1123 struct chain_tracker *chain_lookup;
1124 struct list_head free_chain_list;
1125 struct dma_pool *chain_dma_pool;
1126 ulong chain_pages;
1127 u16 max_sges_in_main_message;
1128 u16 max_sges_in_chain_message;
1129 u16 chains_needed_per_io;
1130 u32 chain_depth;
ebb3024e 1131 u16 chain_segment_sz;
f92363d1
SR		 1132
1133 /* hi-priority queue */
1134 u16 hi_priority_smid;
1135 u8 *hi_priority;
1136 dma_addr_t hi_priority_dma;
1137 u16 hi_priority_depth;
1138 struct request_tracker *hpr_lookup;
1139 struct list_head hpr_free_list;
1140
1141 /* internal queue */
1142 u16 internal_smid;
1143 u8 *internal;
1144 dma_addr_t internal_dma;
1145 u16 internal_depth;
1146 struct request_tracker *internal_lookup;
1147 struct list_head internal_free_list;
1148
1149 /* sense */
1150 u8 *sense;
1151 dma_addr_t sense_dma;
1152 struct dma_pool *sense_dma_pool;
1153
1154 /* reply */
1155 u16 reply_sz;
1156 u8 *reply;
1157 dma_addr_t reply_dma;
1158 u32 reply_dma_max_address;
1159 u32 reply_dma_min_address;
1160 struct dma_pool *reply_dma_pool;
1161
1162 /* reply free queue */
1163 u16 reply_free_queue_depth;
1164 __le32 *reply_free;
1165 dma_addr_t reply_free_dma;
1166 struct dma_pool *reply_free_dma_pool;
1167 u32 reply_free_host_index;
1168
1169 /* reply post queue */
1170 u16 reply_post_queue_depth;
9b05c91a
SR		 1171 struct reply_post_struct *reply_post;
1172 u8 rdpq_array_capable;
1173 u8 rdpq_array_enable;
1174 u8 rdpq_array_enable_assigned;
f92363d1
SR		 1175 struct dma_pool *reply_post_free_dma_pool;
1176 u8 reply_queue_count;
1177 struct list_head reply_queue_list;
1178
0bb337c9
SPS		 1179 u8 combined_reply_queue;
1180 u8 combined_reply_index_count;
fb77bb53
SR		 1181 /* reply post register index */
1182 resource_size_t **replyPostRegisterIndex;
1183
f92363d1
SR		 1184 struct list_head delayed_tr_list;
1185 struct list_head delayed_tr_volume_list;
fd0331b3
SS		 1186 struct list_head delayed_sc_list;
1187 struct list_head delayed_event_ack_list;
2d8ce8c9 1188 u8 temp_sensors_count;
08c4d550 1189 struct mutex pci_access_mutex;
f92363d1
SR		 1190
1191 /* diag buffer support */
1192 u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1193 u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1194 dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1195 u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1196 u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1197 u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1198 u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1199 u32 ring_buffer_offset;
1200 u32 ring_buffer_sz;
7786ab6a
SR		 1201 u8 is_warpdrive;
1202 u8 hide_ir_msg;
1203 u8 mfg_pg10_hide_flag;
1204 u8 hide_drives;
f92363d1
SR		 1205 spinlock_t diag_trigger_lock;
1206 u8 diag_trigger_active;
1207 struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
1208 struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
1209 struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
1210 struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
c696f7b8
SPS		 1211 void *device_remove_in_progress;
1212 u16 device_remove_in_progress_sz;
998f26ae 1213 u8 is_gen35_ioc;
81c16f83
SPS		 1214 u8 atomic_desc_capable;
1215 PUT_SMID_IO_FP_HIP put_smid_scsi_io;
1216 PUT_SMID_IO_FP_HIP put_smid_fast_path;
1217 PUT_SMID_IO_FP_HIP put_smid_hi_priority;
1218 PUT_SMID_DEFAULT put_smid_default;
1219
f92363d1
SR		 1220};
1221
1222typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1223 u32 reply);
1224
1225
1226/* base shared API */
1227extern struct list_head mpt3sas_ioc_list;
d357e84d 1228extern char driver_name[MPT_NAME_LENGTH];
08c4d550
SR		 1229/* spinlock on list operations over IOCs
1230 * Case: when multiple warpdrive cards(IOCs) are in use
1231 * Each IOC will added to the ioc list structure on initialization.
1232 * Watchdog threads run at regular intervals to check IOC for any
1233 * fault conditions which will trigger the dead_ioc thread to
1234 * deallocate pci resource, resulting deleting the IOC netry from list,
1235 * this deletion need to protected by spinlock to enusre that
1236 * ioc removal is syncrhonized, if not synchronized it might lead to
1237 * list_del corruption as the ioc list is traversed in cli path.
1238 */
1239extern spinlock_t gioc_lock;
d357e84d 1240
f92363d1
SR		 1241void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
1242void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
1243
1244int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
1245void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
1246int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
1247void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
98c56ad3 1248int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
f92363d1
SR		 1249 enum reset_type type);
1250
1251void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1252void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1253__le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
1254 u16 smid);
5f0dfb7a
C		 1255
1256void mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc);
f92363d1
SR		 1257
1258/* hi-priority queue */
1259u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1260u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
1261 struct scsi_cmnd *scmd);
1262
1263u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1264void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
f92363d1
SR		 1265void mpt3sas_base_initialize_callback_handler(void);
1266u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1267void mpt3sas_base_release_callback_handler(u8 cb_idx);
1268
1269u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1270 u32 reply);
1271u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1272 u8 msix_index, u32 reply);
1273void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
1274 u32 phys_addr);
1275
1276u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
1277
1278void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
1279int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
1280 Mpi2SasIoUnitControlReply_t *mpi_reply,
1281 Mpi2SasIoUnitControlRequest_t *mpi_request);
1282int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
1283 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1284
1285void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
1286 u32 *event_type);
1287
1288void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
1289
1290void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
1291 u16 device_missing_delay, u8 io_missing_delay);
1292
1293int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
1294
1295
1296/* scsih shared API */
1297u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
1298 u32 reply);
1299void mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1300
1301int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1302 uint channel, uint id, uint lun, u8 type, u16 smid_task,
96902835
CO		 1303 ulong timeout);
1304int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1305 uint channel, uint id, uint lun, u8 type, u16 smid_task,
1306 ulong timeout);
1307
f92363d1
SR		 1308void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1309void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1310void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1311void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1312 u64 sas_address);
fd0331b3
SS		 1313u8 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc,
1314 u16 smid);
f92363d1
SR		 1315
1316struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1317 struct MPT3SAS_ADAPTER *ioc, u16 handle);
1318struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1319 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
d1cb5e49
SR		 1320struct _sas_device *mpt3sas_get_sdev_by_addr(
1321 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1322struct _sas_device *__mpt3sas_get_sdev_by_addr(
1323 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
f92363d1
SR		 1324
1325void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
c84b06a4
SR		 1326struct _raid_device *
1327mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle);
8a7e4c24 1328
f92363d1
SR		 1329/* config shared API */
1330u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1331 u32 reply);
1332int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1333 u8 *num_phys);
1334int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1335 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1336int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1337 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1338 u16 sz);
1339int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1340 Mpi2ConfigReply_t *mpi_reply,
1341 struct Mpi2ManufacturingPage10_t *config_page);
1342
1343int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1344 Mpi2ConfigReply_t *mpi_reply,
1345 struct Mpi2ManufacturingPage11_t *config_page);
1346int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1347 Mpi2ConfigReply_t *mpi_reply,
1348 struct Mpi2ManufacturingPage11_t *config_page);
1349
1350int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1351 *mpi_reply, Mpi2BiosPage2_t *config_page);
1352int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1353 *mpi_reply, Mpi2BiosPage3_t *config_page);
1354int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1355 *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1356int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1357 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1358 u32 form, u32 handle);
1359int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1360 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1361 u32 form, u32 handle);
1362int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1363 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1364 u16 sz);
1365int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1366 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
42263095
SR		 1367int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc,
1368 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
f92363d1
SR		 1369int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1370 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
2d8ce8c9
SR		 1371int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1372 *mpi_reply, Mpi2IOUnitPage8_t *config_page);
f92363d1
SR		 1373int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1374 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1375 u16 sz);
1376int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1377 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1378 u16 sz);
1379int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1380 *mpi_reply, Mpi2IOCPage8_t *config_page);
1381int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1382 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1383 u32 form, u32 handle);
1384int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1385 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1386 u32 phy_number, u16 handle);
1387int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1388 Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1389 u32 form, u32 handle);
1390int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1391 *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1392int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1393 *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1394int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1395 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1396 u32 handle);
1397int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1398 u8 *num_pds);
1399int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1400 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1401 u32 handle, u16 sz);
1402int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1403 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1404 u32 form, u32 form_specific);
1405int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1406 u16 *volume_handle);
1407int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1408 u16 volume_handle, u64 *wwid);
1409
1410/* ctl shared API */
1411extern struct device_attribute *mpt3sas_host_attrs[];
1412extern struct device_attribute *mpt3sas_dev_attrs[];
c84b06a4
SR		 1413void mpt3sas_ctl_init(ushort hbas_to_enumerate);
1414void mpt3sas_ctl_exit(ushort hbas_to_enumerate);
f92363d1
SR		 1415u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1416 u32 reply);
1417void mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1418u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1419 u8 msix_index, u32 reply);
1420void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1421 Mpi2EventNotificationReply_t *mpi_reply);
1422
1423void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1424 u8 bits_to_regsiter);
1425int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1426 u8 *issue_reset);
1427
1428/* transport shared API */
7497392a 1429extern struct scsi_transport_template *mpt3sas_transport_template;
f92363d1
SR		 1430u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1431 u32 reply);
1432struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
1433 u16 handle, u64 sas_address);
1434void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1435 u64 sas_address_parent);
1436int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
1437 *mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1438int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
1439 struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
1440 struct device *parent_dev);
1441void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
1442 u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1443extern struct sas_function_template mpt3sas_transport_functions;
1444extern struct scsi_transport_template *mpt3sas_transport_template;
1445extern int scsi_internal_device_block(struct scsi_device *sdev);
1446extern int scsi_internal_device_unblock(struct scsi_device *sdev,
1447 enum scsi_device_state new_state);
1448/* trigger data externs */
1449void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
1450 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1451void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
1452 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1453void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
1454 u32 tigger_bitmask);
1455void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
1456 u16 log_entry_qualifier);
1457void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
1458 u8 asc, u8 ascq);
1459void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
1460 u32 loginfo);
c84b06a4
SR		 1461
1462/* warpdrive APIs */
1463u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc);
1464void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc,
1465 struct _raid_device *raid_device);
0a5149ba 1466u8
c84b06a4 1467mpt3sas_scsi_direct_io_get(struct MPT3SAS_ADAPTER *ioc, u16 smid);
0a5149ba 1468void
c84b06a4
SR		 1469mpt3sas_scsi_direct_io_set(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 direct_io);
1470void
1471mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
1472 struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request,
1473 u16 smid);
1474
307d9075
AM		 1475/* NCQ Prio Handling Check */
1476bool scsih_ncq_prio_supp(struct scsi_device *sdev);
1477
f92363d1 1478#endif /* MPT3SAS_BASE_H_INCLUDED */
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