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Merge remote-tracking branch 'scsi/for-next'
[deliverable/linux.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"
b2500d76
C		 76#define MPT3SAS_DRIVER_VERSION "13.100.00.00"
77#define MPT3SAS_MAJOR_VERSION 13
d867b655 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 */
303#define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT 12
304#define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET (0x10)
f92363d1
SR		 305
306/* OEM Identifiers */
307#define MFG10_OEM_ID_INVALID (0x00000000)
308#define MFG10_OEM_ID_DELL (0x00000001)
309#define MFG10_OEM_ID_FSC (0x00000002)
310#define MFG10_OEM_ID_SUN (0x00000003)
311#define MFG10_OEM_ID_IBM (0x00000004)
312
313/* GENERIC Flags 0*/
314#define MFG10_GF0_OCE_DISABLED (0x00000001)
315#define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002)
316#define MFG10_GF0_R10_DISPLAY (0x00000004)
317#define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008)
318#define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010)
319
3898f08e
SR		 320#define VIRTUAL_IO_FAILED_RETRY (0x32010081)
321
f92363d1
SR		 322/* OEM Specific Flags will come from OEM specific header files */
323struct Mpi2ManufacturingPage10_t {
324 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
325 U8 OEMIdentifier; /* 04h */
326 U8 Reserved1; /* 05h */
327 U16 Reserved2; /* 08h */
328 U32 Reserved3; /* 0Ch */
329 U32 GenericFlags0; /* 10h */
330 U32 GenericFlags1; /* 14h */
331 U32 Reserved4; /* 18h */
332 U32 OEMSpecificFlags0; /* 1Ch */
333 U32 OEMSpecificFlags1; /* 20h */
334 U32 Reserved5[18]; /* 24h - 60h*/
335};
336
337
338/* Miscellaneous options */
339struct Mpi2ManufacturingPage11_t {
340 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
341 __le32 Reserved1; /* 04h */
342 u8 Reserved2; /* 08h */
343 u8 EEDPTagMode; /* 09h */
344 u8 Reserved3; /* 0Ah */
345 u8 Reserved4; /* 0Bh */
346 __le32 Reserved5[23]; /* 0Ch-60h*/
347};
348
349/**
350 * struct MPT3SAS_TARGET - starget private hostdata
351 * @starget: starget object
352 * @sas_address: target sas address
7786ab6a 353 * @raid_device: raid_device pointer to access volume data
f92363d1
SR		 354 * @handle: device handle
355 * @num_luns: number luns
356 * @flags: MPT_TARGET_FLAGS_XXX flags
357 * @deleted: target flaged for deletion
358 * @tm_busy: target is busy with TM request.
d1cb5e49 359 * @sdev: The sas_device associated with this target
f92363d1
SR		 360 */
361struct MPT3SAS_TARGET {
362 struct scsi_target *starget;
363 u64 sas_address;
7786ab6a 364 struct _raid_device *raid_device;
f92363d1
SR		 365 u16 handle;
366 int num_luns;
367 u32 flags;
368 u8 deleted;
369 u8 tm_busy;
d1cb5e49 370 struct _sas_device *sdev;
f92363d1
SR		 371};
372
373
374/*
375 * per device private data
376 */
377#define MPT_DEVICE_FLAGS_INIT 0x01
378#define MPT_DEVICE_TLR_ON 0x02
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
396 */
397struct MPT3SAS_DEVICE {
398 struct MPT3SAS_TARGET *sas_target;
399 unsigned int lun;
400 u32 flags;
401 u8 configured_lun;
402 u8 block;
403 u8 tlr_snoop_check;
30158dc9 404 u8 ignore_delay_remove;
f92363d1
SR		 405};
406
407#define MPT3_CMD_NOT_USED 0x8000 /* free */
408#define MPT3_CMD_COMPLETE 0x0001 /* completed */
409#define MPT3_CMD_PENDING 0x0002 /* pending */
410#define MPT3_CMD_REPLY_VALID 0x0004 /* reply is valid */
411#define MPT3_CMD_RESET 0x0008 /* host reset dropped the command */
412
413/**
414 * struct _internal_cmd - internal commands struct
415 * @mutex: mutex
416 * @done: completion
417 * @reply: reply message pointer
418 * @sense: sense data
419 * @status: MPT3_CMD_XXX status
420 * @smid: system message id
421 */
422struct _internal_cmd {
423 struct mutex mutex;
424 struct completion done;
425 void *reply;
426 void *sense;
427 u16 status;
428 u16 smid;
429};
430
431
432
433/**
434 * struct _sas_device - attached device information
435 * @list: sas device list
436 * @starget: starget object
437 * @sas_address: device sas address
438 * @device_name: retrieved from the SAS IDENTIFY frame.
439 * @handle: device handle
440 * @sas_address_parent: sas address of parent expander or sas host
441 * @enclosure_handle: enclosure handle
442 * @enclosure_logical_id: enclosure logical identifier
443 * @volume_handle: volume handle (valid when hidden raid member)
444 * @volume_wwid: volume unique identifier
445 * @device_info: bitfield provides detailed info about the device
446 * @id: target id
447 * @channel: target channel
448 * @slot: number number
449 * @phy: phy identifier provided in sas device page 0
f92363d1 450 * @responding: used in _scsih_sas_device_mark_responding
0f624c39
SR		 451 * @fast_path: fast path feature enable bit
452 * @pfa_led_on: flag for PFA LED status
e4bc7f5c
SR		 453 * @pend_sas_rphy_add: flag to check if device is in sas_rphy_add()
454 * addition routine.
f92363d1
SR		 455 */
456struct _sas_device {
457 struct list_head list;
458 struct scsi_target *starget;
459 u64 sas_address;
460 u64 device_name;
461 u16 handle;
462 u64 sas_address_parent;
463 u16 enclosure_handle;
464 u64 enclosure_logical_id;
465 u16 volume_handle;
466 u64 volume_wwid;
467 u32 device_info;
468 int id;
469 int channel;
470 u16 slot;
471 u8 phy;
472 u8 responding;
473 u8 fast_path;
0f624c39 474 u8 pfa_led_on;
e4bc7f5c 475 u8 pend_sas_rphy_add;
e6d45e3e 476 u8 enclosure_level;
310c8e40 477 u8 connector_name[5];
d1cb5e49 478 struct kref refcount;
f92363d1
SR		 479};
480
d1cb5e49
SR		 481static inline void sas_device_get(struct _sas_device *s)
482{
483 kref_get(&s->refcount);
484}
485
486static inline void sas_device_free(struct kref *r)
487{
488 kfree(container_of(r, struct _sas_device, refcount));
489}
490
491static inline void sas_device_put(struct _sas_device *s)
492{
493 kref_put(&s->refcount, sas_device_free);
494}
495
f92363d1
SR		 496/**
497 * struct _raid_device - raid volume link list
498 * @list: sas device list
499 * @starget: starget object
500 * @sdev: scsi device struct (volumes are single lun)
501 * @wwid: unique identifier for the volume
502 * @handle: device handle
7786ab6a 503 * @block_size: Block size of the volume
f92363d1
SR		 504 * @id: target id
505 * @channel: target channel
506 * @volume_type: the raid level
507 * @device_info: bitfield provides detailed info about the hidden components
508 * @num_pds: number of hidden raid components
509 * @responding: used in _scsih_raid_device_mark_responding
510 * @percent_complete: resync percent complete
7786ab6a
SR		 511 * @direct_io_enabled: Whether direct io to PDs are allowed or not
512 * @stripe_exponent: X where 2powX is the stripe sz in blocks
513 * @block_exponent: X where 2powX is the block sz in bytes
514 * @max_lba: Maximum number of LBA in the volume
515 * @stripe_sz: Stripe Size of the volume
516 * @device_info: Device info of the volume member disk
517 * @pd_handle: Array of handles of the physical drives for direct I/O in le16
f92363d1
SR		 518 */
519#define MPT_MAX_WARPDRIVE_PDS 8
520struct _raid_device {
521 struct list_head list;
522 struct scsi_target *starget;
523 struct scsi_device *sdev;
524 u64 wwid;
525 u16 handle;
7786ab6a 526 u16 block_sz;
f92363d1
SR		 527 int id;
528 int channel;
529 u8 volume_type;
530 u8 num_pds;
531 u8 responding;
532 u8 percent_complete;
7786ab6a
SR		 533 u8 direct_io_enabled;
534 u8 stripe_exponent;
535 u8 block_exponent;
536 u64 max_lba;
537 u32 stripe_sz;
f92363d1 538 u32 device_info;
7786ab6a 539 u16 pd_handle[MPT_MAX_WARPDRIVE_PDS];
f92363d1
SR		 540};
541
542/**
543 * struct _boot_device - boot device info
544 * @is_raid: flag to indicate whether this is volume
545 * @device: holds pointer for either struct _sas_device or
546 * struct _raid_device
547 */
548struct _boot_device {
549 u8 is_raid;
550 void *device;
551};
552
553/**
554 * struct _sas_port - wide/narrow sas port information
555 * @port_list: list of ports belonging to expander
556 * @num_phys: number of phys belonging to this port
557 * @remote_identify: attached device identification
558 * @rphy: sas transport rphy object
559 * @port: sas transport wide/narrow port object
560 * @phy_list: _sas_phy list objects belonging to this port
561 */
562struct _sas_port {
563 struct list_head port_list;
564 u8 num_phys;
565 struct sas_identify remote_identify;
566 struct sas_rphy *rphy;
567 struct sas_port *port;
568 struct list_head phy_list;
569};
570
571/**
572 * struct _sas_phy - phy information
573 * @port_siblings: list of phys belonging to a port
574 * @identify: phy identification
575 * @remote_identify: attached device identification
576 * @phy: sas transport phy object
577 * @phy_id: unique phy id
578 * @handle: device handle for this phy
579 * @attached_handle: device handle for attached device
580 * @phy_belongs_to_port: port has been created for this phy
581 */
582struct _sas_phy {
583 struct list_head port_siblings;
584 struct sas_identify identify;
585 struct sas_identify remote_identify;
586 struct sas_phy *phy;
587 u8 phy_id;
588 u16 handle;
589 u16 attached_handle;
590 u8 phy_belongs_to_port;
591};
592
593/**
594 * struct _sas_node - sas_host/expander information
595 * @list: list of expanders
596 * @parent_dev: parent device class
597 * @num_phys: number phys belonging to this sas_host/expander
598 * @sas_address: sas address of this sas_host/expander
599 * @handle: handle for this sas_host/expander
600 * @sas_address_parent: sas address of parent expander or sas host
601 * @enclosure_handle: handle for this a member of an enclosure
602 * @device_info: bitwise defining capabilities of this sas_host/expander
603 * @responding: used in _scsih_expander_device_mark_responding
604 * @phy: a list of phys that make up this sas_host/expander
605 * @sas_port_list: list of ports attached to this sas_host/expander
606 */
607struct _sas_node {
608 struct list_head list;
609 struct device *parent_dev;
610 u8 num_phys;
611 u64 sas_address;
612 u16 handle;
613 u64 sas_address_parent;
614 u16 enclosure_handle;
615 u64 enclosure_logical_id;
616 u8 responding;
617 struct _sas_phy *phy;
618 struct list_head sas_port_list;
619};
620
621/**
622 * enum reset_type - reset state
623 * @FORCE_BIG_HAMMER: issue diagnostic reset
624 * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
625 */
626enum reset_type {
627 FORCE_BIG_HAMMER,
628 SOFT_RESET,
629};
630
631/**
632 * struct chain_tracker - firmware chain tracker
633 * @chain_buffer: chain buffer
634 * @chain_buffer_dma: physical address
635 * @tracker_list: list of free request (ioc->free_chain_list)
636 */
637struct chain_tracker {
638 void *chain_buffer;
639 dma_addr_t chain_buffer_dma;
640 struct list_head tracker_list;
641};
642
643/**
644 * struct scsiio_tracker - scsi mf request tracker
645 * @smid: system message id
646 * @scmd: scsi request pointer
647 * @cb_idx: callback index
7786ab6a 648 * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
f92363d1 649 * @tracker_list: list of free request (ioc->free_list)
03d1fb3a 650 * @msix_io: IO's msix
f92363d1
SR		 651 */
652struct scsiio_tracker {
653 u16 smid;
654 struct scsi_cmnd *scmd;
655 u8 cb_idx;
7786ab6a 656 u8 direct_io;
f92363d1
SR		 657 struct list_head chain_list;
658 struct list_head tracker_list;
03d1fb3a 659 u16 msix_io;
f92363d1
SR		 660};
661
662/**
663 * struct request_tracker - firmware request tracker
664 * @smid: system message id
665 * @cb_idx: callback index
666 * @tracker_list: list of free request (ioc->free_list)
667 */
668struct request_tracker {
669 u16 smid;
670 u8 cb_idx;
671 struct list_head tracker_list;
672};
673
674/**
675 * struct _tr_list - target reset list
676 * @handle: device handle
677 * @state: state machine
678 */
679struct _tr_list {
680 struct list_head list;
681 u16 handle;
682 u16 state;
683};
684
fd0331b3
SS		 685/**
686 * struct _sc_list - delayed SAS_IO_UNIT_CONTROL message list
687 * @handle: device handle
688 */
689struct _sc_list {
690 struct list_head list;
691 u16 handle;
692};
693
694/**
695 * struct _event_ack_list - delayed event acknowledgment list
696 * @Event: Event ID
697 * @EventContext: used to track the event uniquely
698 */
699struct _event_ack_list {
700 struct list_head list;
701 u16 Event;
702 u32 EventContext;
703};
f92363d1
SR		 704
705/**
706 * struct adapter_reply_queue - the reply queue struct
707 * @ioc: per adapter object
708 * @msix_index: msix index into vector table
709 * @vector: irq vector
710 * @reply_post_host_index: head index in the pool where FW completes IO
711 * @reply_post_free: reply post base virt address
712 * @name: the name registered to request_irq()
713 * @busy: isr is actively processing replies on another cpu
714 * @list: this list
715*/
716struct adapter_reply_queue {
717 struct MPT3SAS_ADAPTER *ioc;
718 u8 msix_index;
719 unsigned int vector;
720 u32 reply_post_host_index;
721 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
722 char name[MPT_NAME_LENGTH];
723 atomic_t busy;
14b3114d 724 cpumask_var_t affinity_hint;
f92363d1
SR		 725 struct list_head list;
726};
727
728typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
729
730/* SAS3.0 support */
731typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
732 struct scsi_cmnd *scmd, u16 smid);
733typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
734 dma_addr_t data_out_dma, size_t data_out_sz,
735 dma_addr_t data_in_dma, size_t data_in_sz);
736typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
737 void *paddr);
738
739
740
741/* IOC Facts and Port Facts converted from little endian to cpu */
742union mpi3_version_union {
743 MPI2_VERSION_STRUCT Struct;
744 u32 Word;
745};
746
747struct mpt3sas_facts {
748 u16 MsgVersion;
749 u16 HeaderVersion;
750 u8 IOCNumber;
751 u8 VP_ID;
752 u8 VF_ID;
753 u16 IOCExceptions;
754 u16 IOCStatus;
755 u32 IOCLogInfo;
756 u8 MaxChainDepth;
757 u8 WhoInit;
758 u8 NumberOfPorts;
759 u8 MaxMSIxVectors;
760 u16 RequestCredit;
761 u16 ProductID;
762 u32 IOCCapabilities;
763 union mpi3_version_union FWVersion;
764 u16 IOCRequestFrameSize;
ebb3024e 765 u16 IOCMaxChainSegmentSize;
f92363d1
SR		 766 u16 MaxInitiators;
767 u16 MaxTargets;
768 u16 MaxSasExpanders;
769 u16 MaxEnclosures;
770 u16 ProtocolFlags;
771 u16 HighPriorityCredit;
772 u16 MaxReplyDescriptorPostQueueDepth;
773 u8 ReplyFrameSize;
774 u8 MaxVolumes;
775 u16 MaxDevHandle;
776 u16 MaxPersistentEntries;
777 u16 MinDevHandle;
778};
779
780struct mpt3sas_port_facts {
781 u8 PortNumber;
782 u8 VP_ID;
783 u8 VF_ID;
784 u8 PortType;
785 u16 MaxPostedCmdBuffers;
786};
787
9b05c91a
SR		 788struct reply_post_struct {
789 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
790 dma_addr_t reply_post_free_dma;
791};
792
f92363d1
SR		 793typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
794/**
795 * struct MPT3SAS_ADAPTER - per adapter struct
796 * @list: ioc_list
797 * @shost: shost object
798 * @id: unique adapter id
799 * @cpu_count: number online cpus
800 * @name: generic ioc string
801 * @tmp_string: tmp string used for logging
802 * @pdev: pci pdev object
803 * @pio_chip: physical io register space
804 * @chip: memory mapped register space
805 * @chip_phys: physical addrss prior to mapping
806 * @logging_level: see mpt3sas_debug.h
807 * @fwfault_debug: debuging FW timeouts
808 * @ir_firmware: IR firmware present
809 * @bars: bitmask of BAR's that must be configured
810 * @mask_interrupts: ignore interrupt
9b05c91a 811 * @dma_mask: used to set the consistent dma mask
f92363d1
SR		 812 * @fault_reset_work_q_name: fw fault work queue
813 * @fault_reset_work_q: ""
814 * @fault_reset_work: ""
815 * @firmware_event_name: fw event work queue
816 * @firmware_event_thread: ""
817 * @fw_event_lock:
818 * @fw_event_list: list of fw events
819 * @aen_event_read_flag: event log was read
820 * @broadcast_aen_busy: broadcast aen waiting to be serviced
821 * @shost_recovery: host reset in progress
822 * @ioc_reset_in_progress_lock:
823 * @ioc_link_reset_in_progress: phy/hard reset in progress
824 * @ignore_loginfos: ignore loginfos during task management
825 * @remove_host: flag for when driver unloads, to avoid sending dev resets
826 * @pci_error_recovery: flag to prevent ioc access until slot reset completes
827 * @wait_for_discovery_to_complete: flag set at driver load time when
828 * waiting on reporting devices
829 * @is_driver_loading: flag set at driver load time
830 * @port_enable_failed: flag set when port enable has failed
831 * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
832 * @start_scan_failed: means port enable failed, return's the ioc_status
833 * @msix_enable: flag indicating msix is enabled
834 * @msix_vector_count: number msix vectors
835 * @cpu_msix_table: table for mapping cpus to msix index
836 * @cpu_msix_table_sz: table size
837 * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
838 * @scsi_io_cb_idx: shost generated commands
839 * @tm_cb_idx: task management commands
840 * @scsih_cb_idx: scsih internal commands
841 * @transport_cb_idx: transport internal commands
842 * @ctl_cb_idx: clt internal commands
843 * @base_cb_idx: base internal commands
844 * @config_cb_idx: base internal commands
845 * @tm_tr_cb_idx : device removal target reset handshake
846 * @tm_tr_volume_cb_idx : volume removal target reset
847 * @base_cmds:
848 * @transport_cmds:
849 * @scsih_cmds:
850 * @tm_cmds:
851 * @ctl_cmds:
852 * @config_cmds:
853 * @base_add_sg_single: handler for either 32/64 bit sgl's
854 * @event_type: bits indicating which events to log
855 * @event_context: unique id for each logged event
856 * @event_log: event log pointer
857 * @event_masks: events that are masked
858 * @facts: static facts data
859 * @pfacts: static port facts data
860 * @manu_pg0: static manufacturing page 0
861 * @manu_pg10: static manufacturing page 10
862 * @manu_pg11: static manufacturing page 11
863 * @bios_pg2: static bios page 2
864 * @bios_pg3: static bios page 3
865 * @ioc_pg8: static ioc page 8
866 * @iounit_pg0: static iounit page 0
867 * @iounit_pg1: static iounit page 1
2d8ce8c9 868 * @iounit_pg8: static iounit page 8
f92363d1
SR		 869 * @sas_hba: sas host object
870 * @sas_expander_list: expander object list
871 * @sas_node_lock:
872 * @sas_device_list: sas device object list
873 * @sas_device_init_list: sas device object list (used only at init time)
874 * @sas_device_lock:
875 * @io_missing_delay: time for IO completed by fw when PDR enabled
876 * @device_missing_delay: time for device missing by fw when PDR enabled
877 * @sas_id : used for setting volume target IDs
878 * @blocking_handles: bitmask used to identify which devices need blocking
879 * @pd_handles : bitmask for PD handles
880 * @pd_handles_sz : size of pd_handle bitmask
881 * @config_page_sz: config page size
882 * @config_page: reserve memory for config page payload
883 * @config_page_dma:
884 * @hba_queue_depth: hba request queue depth
885 * @sge_size: sg element size for either 32/64 bit
886 * @scsiio_depth: SCSI_IO queue depth
887 * @request_sz: per request frame size
888 * @request: pool of request frames
889 * @request_dma:
890 * @request_dma_sz:
891 * @scsi_lookup: firmware request tracker list
892 * @scsi_lookup_lock:
893 * @free_list: free list of request
894 * @pending_io_count:
895 * @reset_wq:
896 * @chain: pool of chains
897 * @chain_dma:
898 * @max_sges_in_main_message: number sg elements in main message
899 * @max_sges_in_chain_message: number sg elements per chain
900 * @chains_needed_per_io: max chains per io
901 * @chain_depth: total chains allocated
ebb3024e
SS		 902 * @chain_segment_sz: gives the max number of
903 * SGEs accommodate on single chain buffer
f92363d1
SR		 904 * @hi_priority_smid:
905 * @hi_priority:
906 * @hi_priority_dma:
907 * @hi_priority_depth:
908 * @hpr_lookup:
909 * @hpr_free_list:
910 * @internal_smid:
911 * @internal:
912 * @internal_dma:
913 * @internal_depth:
914 * @internal_lookup:
915 * @internal_free_list:
916 * @sense: pool of sense
917 * @sense_dma:
918 * @sense_dma_pool:
919 * @reply_depth: hba reply queue depth:
920 * @reply_sz: per reply frame size:
921 * @reply: pool of replys:
922 * @reply_dma:
923 * @reply_dma_pool:
924 * @reply_free_queue_depth: reply free depth
925 * @reply_free: pool for reply free queue (32 bit addr)
926 * @reply_free_dma:
927 * @reply_free_dma_pool:
928 * @reply_free_host_index: tail index in pool to insert free replys
929 * @reply_post_queue_depth: reply post queue depth
9b05c91a
SR		 930 * @reply_post_struct: struct for reply_post_free physical & virt address
931 * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
932 * @rdpq_array_enable: rdpq_array support is enabled in the driver
933 * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
934 * is assigned only ones
f92363d1
SR		 935 * @reply_queue_count: number of reply queue's
936 * @reply_queue_list: link list contaning the reply queue info
fb77bb53
SR		 937 * @msix96_vector: 96 MSI-X vector support
938 * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue
f92363d1
SR		 939 * @delayed_tr_list: target reset link list
940 * @delayed_tr_volume_list: volume target reset link list
fd0331b3
SS		 941 * @delayed_sc_list:
942 * @delayed_event_ack_list:
08c4d550
SR		 943 * @temp_sensors_count: flag to carry the number of temperature sensors
944 * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
945 * pci resource handling. PCI resource freeing will lead to free
946 * vital hardware/memory resource, which might be in use by cli/sysfs
947 * path functions resulting in Null pointer reference followed by kernel
948 * crash. To avoid the above race condition we use mutex syncrhonization
949 * which ensures the syncrhonization between cli/sysfs_show path.
f92363d1
SR		 950 */
951struct MPT3SAS_ADAPTER {
952 struct list_head list;
953 struct Scsi_Host *shost;
954 u8 id;
955 int cpu_count;
956 char name[MPT_NAME_LENGTH];
c84b06a4 957 char driver_name[MPT_NAME_LENGTH];
f92363d1
SR		 958 char tmp_string[MPT_STRING_LENGTH];
959 struct pci_dev *pdev;
960 Mpi2SystemInterfaceRegs_t __iomem *chip;
961 resource_size_t chip_phys;
962 int logging_level;
963 int fwfault_debug;
964 u8 ir_firmware;
965 int bars;
966 u8 mask_interrupts;
9b05c91a 967 int dma_mask;
f92363d1
SR		 968
969 /* fw fault handler */
970 char fault_reset_work_q_name[20];
971 struct workqueue_struct *fault_reset_work_q;
972 struct delayed_work fault_reset_work;
973
974 /* fw event handler */
975 char firmware_event_name[20];
976 struct workqueue_struct *firmware_event_thread;
977 spinlock_t fw_event_lock;
978 struct list_head fw_event_list;
979
980 /* misc flags */
981 int aen_event_read_flag;
982 u8 broadcast_aen_busy;
983 u16 broadcast_aen_pending;
984 u8 shost_recovery;
985
986 struct mutex reset_in_progress_mutex;
987 spinlock_t ioc_reset_in_progress_lock;
988 u8 ioc_link_reset_in_progress;
989 u8 ioc_reset_in_progress_status;
990
991 u8 ignore_loginfos;
992 u8 remove_host;
993 u8 pci_error_recovery;
994 u8 wait_for_discovery_to_complete;
995 u8 is_driver_loading;
996 u8 port_enable_failed;
997 u8 start_scan;
998 u16 start_scan_failed;
999
1000 u8 msix_enable;
1001 u16 msix_vector_count;
1002 u8 *cpu_msix_table;
1003 u16 cpu_msix_table_sz;
7786ab6a 1004 resource_size_t __iomem **reply_post_host_index;
f92363d1
SR		 1005 u32 ioc_reset_count;
1006 MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
16e179bd 1007 u32 non_operational_loop;
f92363d1
SR		 1008
1009 /* internal commands, callback index */
1010 u8 scsi_io_cb_idx;
1011 u8 tm_cb_idx;
1012 u8 transport_cb_idx;
1013 u8 scsih_cb_idx;
1014 u8 ctl_cb_idx;
1015 u8 base_cb_idx;
1016 u8 port_enable_cb_idx;
1017 u8 config_cb_idx;
1018 u8 tm_tr_cb_idx;
1019 u8 tm_tr_volume_cb_idx;
1020 u8 tm_sas_control_cb_idx;
1021 struct _internal_cmd base_cmds;
1022 struct _internal_cmd port_enable_cmds;
1023 struct _internal_cmd transport_cmds;
1024 struct _internal_cmd scsih_cmds;
1025 struct _internal_cmd tm_cmds;
1026 struct _internal_cmd ctl_cmds;
1027 struct _internal_cmd config_cmds;
1028
1029 MPT_ADD_SGE base_add_sg_single;
1030
1031 /* function ptr for either IEEE or MPI sg elements */
1032 MPT_BUILD_SG_SCMD build_sg_scmd;
1033 MPT_BUILD_SG build_sg;
1034 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
f92363d1 1035 u16 sge_size_ieee;
d357e84d 1036 u16 hba_mpi_version_belonged;
f92363d1
SR		 1037
1038 /* function ptr for MPI sg elements only */
1039 MPT_BUILD_SG build_sg_mpi;
1040 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
1041
1042 /* event log */
1043 u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1044 u32 event_context;
1045 void *event_log;
1046 u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1047
1048 /* static config pages */
1049 struct mpt3sas_facts facts;
1050 struct mpt3sas_port_facts *pfacts;
1051 Mpi2ManufacturingPage0_t manu_pg0;
1052 struct Mpi2ManufacturingPage10_t manu_pg10;
1053 struct Mpi2ManufacturingPage11_t manu_pg11;
1054 Mpi2BiosPage2_t bios_pg2;
1055 Mpi2BiosPage3_t bios_pg3;
1056 Mpi2IOCPage8_t ioc_pg8;
1057 Mpi2IOUnitPage0_t iounit_pg0;
1058 Mpi2IOUnitPage1_t iounit_pg1;
2d8ce8c9 1059 Mpi2IOUnitPage8_t iounit_pg8;
f92363d1
SR		 1060
1061 struct _boot_device req_boot_device;
1062 struct _boot_device req_alt_boot_device;
1063 struct _boot_device current_boot_device;
1064
1065 /* sas hba, expander, and device list */
1066 struct _sas_node sas_hba;
1067 struct list_head sas_expander_list;
1068 spinlock_t sas_node_lock;
1069 struct list_head sas_device_list;
1070 struct list_head sas_device_init_list;
1071 spinlock_t sas_device_lock;
1072 struct list_head raid_device_list;
1073 spinlock_t raid_device_lock;
1074 u8 io_missing_delay;
1075 u16 device_missing_delay;
1076 int sas_id;
1077
1078 void *blocking_handles;
1079 void *pd_handles;
1080 u16 pd_handles_sz;
1081
1082 /* config page */
1083 u16 config_page_sz;
1084 void *config_page;
1085 dma_addr_t config_page_dma;
1086
1087 /* scsiio request */
1088 u16 hba_queue_depth;
1089 u16 sge_size;
1090 u16 scsiio_depth;
1091 u16 request_sz;
1092 u8 *request;
1093 dma_addr_t request_dma;
1094 u32 request_dma_sz;
1095 struct scsiio_tracker *scsi_lookup;
1096 ulong scsi_lookup_pages;
1097 spinlock_t scsi_lookup_lock;
1098 struct list_head free_list;
1099 int pending_io_count;
1100 wait_queue_head_t reset_wq;
1101
1102 /* chain */
1103 struct chain_tracker *chain_lookup;
1104 struct list_head free_chain_list;
1105 struct dma_pool *chain_dma_pool;
1106 ulong chain_pages;
1107 u16 max_sges_in_main_message;
1108 u16 max_sges_in_chain_message;
1109 u16 chains_needed_per_io;
1110 u32 chain_depth;
ebb3024e 1111 u16 chain_segment_sz;
f92363d1
SR		 1112
1113 /* hi-priority queue */
1114 u16 hi_priority_smid;
1115 u8 *hi_priority;
1116 dma_addr_t hi_priority_dma;
1117 u16 hi_priority_depth;
1118 struct request_tracker *hpr_lookup;
1119 struct list_head hpr_free_list;
1120
1121 /* internal queue */
1122 u16 internal_smid;
1123 u8 *internal;
1124 dma_addr_t internal_dma;
1125 u16 internal_depth;
1126 struct request_tracker *internal_lookup;
1127 struct list_head internal_free_list;
1128
1129 /* sense */
1130 u8 *sense;
1131 dma_addr_t sense_dma;
1132 struct dma_pool *sense_dma_pool;
1133
1134 /* reply */
1135 u16 reply_sz;
1136 u8 *reply;
1137 dma_addr_t reply_dma;
1138 u32 reply_dma_max_address;
1139 u32 reply_dma_min_address;
1140 struct dma_pool *reply_dma_pool;
1141
1142 /* reply free queue */
1143 u16 reply_free_queue_depth;
1144 __le32 *reply_free;
1145 dma_addr_t reply_free_dma;
1146 struct dma_pool *reply_free_dma_pool;
1147 u32 reply_free_host_index;
1148
1149 /* reply post queue */
1150 u16 reply_post_queue_depth;
9b05c91a
SR		 1151 struct reply_post_struct *reply_post;
1152 u8 rdpq_array_capable;
1153 u8 rdpq_array_enable;
1154 u8 rdpq_array_enable_assigned;
f92363d1
SR		 1155 struct dma_pool *reply_post_free_dma_pool;
1156 u8 reply_queue_count;
1157 struct list_head reply_queue_list;
1158
fb77bb53
SR		 1159 u8 msix96_vector;
1160 /* reply post register index */
1161 resource_size_t **replyPostRegisterIndex;
1162
f92363d1
SR		 1163 struct list_head delayed_tr_list;
1164 struct list_head delayed_tr_volume_list;
fd0331b3
SS		 1165 struct list_head delayed_sc_list;
1166 struct list_head delayed_event_ack_list;
2d8ce8c9 1167 u8 temp_sensors_count;
08c4d550 1168 struct mutex pci_access_mutex;
f92363d1
SR		 1169
1170 /* diag buffer support */
1171 u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1172 u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1173 dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1174 u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1175 u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1176 u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1177 u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1178 u32 ring_buffer_offset;
1179 u32 ring_buffer_sz;
7786ab6a
SR		 1180 u8 is_warpdrive;
1181 u8 hide_ir_msg;
1182 u8 mfg_pg10_hide_flag;
1183 u8 hide_drives;
f92363d1
SR		 1184 spinlock_t diag_trigger_lock;
1185 u8 diag_trigger_active;
1186 struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
1187 struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
1188 struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
1189 struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
1190};
1191
1192typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1193 u32 reply);
1194
1195
1196/* base shared API */
1197extern struct list_head mpt3sas_ioc_list;
d357e84d 1198extern char driver_name[MPT_NAME_LENGTH];
08c4d550
SR		 1199/* spinlock on list operations over IOCs
1200 * Case: when multiple warpdrive cards(IOCs) are in use
1201 * Each IOC will added to the ioc list structure on initialization.
1202 * Watchdog threads run at regular intervals to check IOC for any
1203 * fault conditions which will trigger the dead_ioc thread to
1204 * deallocate pci resource, resulting deleting the IOC netry from list,
1205 * this deletion need to protected by spinlock to enusre that
1206 * ioc removal is syncrhonized, if not synchronized it might lead to
1207 * list_del corruption as the ioc list is traversed in cli path.
1208 */
1209extern spinlock_t gioc_lock;
d357e84d 1210
f92363d1
SR		 1211void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
1212void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
1213
1214int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
1215void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
1216int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
1217void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
98c56ad3 1218int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
f92363d1
SR		 1219 enum reset_type type);
1220
1221void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1222void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1223__le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
1224 u16 smid);
5f0dfb7a
C		 1225
1226void mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc);
f92363d1
SR		 1227
1228/* hi-priority queue */
1229u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1230u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
1231 struct scsi_cmnd *scmd);
1232
1233u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1234void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1235void mpt3sas_base_put_smid_scsi_io(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1236 u16 handle);
1237void mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1238 u16 handle);
03d1fb3a
SS		 1239void mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc,
1240 u16 smid, u16 msix_task);
f92363d1
SR		 1241void mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1242void mpt3sas_base_initialize_callback_handler(void);
1243u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1244void mpt3sas_base_release_callback_handler(u8 cb_idx);
1245
1246u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1247 u32 reply);
1248u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1249 u8 msix_index, u32 reply);
1250void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
1251 u32 phys_addr);
1252
1253u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
1254
1255void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
1256int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
1257 Mpi2SasIoUnitControlReply_t *mpi_reply,
1258 Mpi2SasIoUnitControlRequest_t *mpi_request);
1259int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
1260 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1261
1262void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
1263 u32 *event_type);
1264
1265void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
1266
1267void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
1268 u16 device_missing_delay, u8 io_missing_delay);
1269
1270int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
1271
1272
1273/* scsih shared API */
1274u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
1275 u32 reply);
1276void mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1277
1278int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1279 uint channel, uint id, uint lun, u8 type, u16 smid_task,
96902835
CO		 1280 ulong timeout);
1281int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1282 uint channel, uint id, uint lun, u8 type, u16 smid_task,
1283 ulong timeout);
1284
f92363d1
SR		 1285void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1286void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1287void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1288void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1289 u64 sas_address);
fd0331b3
SS		 1290u8 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc,
1291 u16 smid);
f92363d1
SR		 1292
1293struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1294 struct MPT3SAS_ADAPTER *ioc, u16 handle);
1295struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1296 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
d1cb5e49
SR		 1297struct _sas_device *mpt3sas_get_sdev_by_addr(
1298 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1299struct _sas_device *__mpt3sas_get_sdev_by_addr(
1300 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
f92363d1
SR		 1301
1302void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
c84b06a4
SR		 1303struct _raid_device *
1304mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle);
8a7e4c24 1305
f92363d1
SR		 1306/* config shared API */
1307u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1308 u32 reply);
1309int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1310 u8 *num_phys);
1311int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1312 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1313int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1314 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1315 u16 sz);
1316int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1317 Mpi2ConfigReply_t *mpi_reply,
1318 struct Mpi2ManufacturingPage10_t *config_page);
1319
1320int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1321 Mpi2ConfigReply_t *mpi_reply,
1322 struct Mpi2ManufacturingPage11_t *config_page);
1323int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1324 Mpi2ConfigReply_t *mpi_reply,
1325 struct Mpi2ManufacturingPage11_t *config_page);
1326
1327int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1328 *mpi_reply, Mpi2BiosPage2_t *config_page);
1329int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1330 *mpi_reply, Mpi2BiosPage3_t *config_page);
1331int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1332 *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1333int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1334 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1335 u32 form, u32 handle);
1336int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1337 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1338 u32 form, u32 handle);
1339int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1340 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1341 u16 sz);
1342int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1343 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
42263095
SR		 1344int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc,
1345 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
f92363d1
SR		 1346int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1347 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
2d8ce8c9
SR		 1348int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1349 *mpi_reply, Mpi2IOUnitPage8_t *config_page);
f92363d1
SR		 1350int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1351 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1352 u16 sz);
1353int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1354 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1355 u16 sz);
1356int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1357 *mpi_reply, Mpi2IOCPage8_t *config_page);
1358int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1359 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1360 u32 form, u32 handle);
1361int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1362 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1363 u32 phy_number, u16 handle);
1364int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1365 Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1366 u32 form, u32 handle);
1367int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1368 *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1369int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1370 *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1371int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1372 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1373 u32 handle);
1374int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1375 u8 *num_pds);
1376int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1377 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1378 u32 handle, u16 sz);
1379int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1380 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1381 u32 form, u32 form_specific);
1382int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1383 u16 *volume_handle);
1384int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1385 u16 volume_handle, u64 *wwid);
1386
1387/* ctl shared API */
1388extern struct device_attribute *mpt3sas_host_attrs[];
1389extern struct device_attribute *mpt3sas_dev_attrs[];
c84b06a4
SR		 1390void mpt3sas_ctl_init(ushort hbas_to_enumerate);
1391void mpt3sas_ctl_exit(ushort hbas_to_enumerate);
f92363d1
SR		 1392u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1393 u32 reply);
1394void mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1395u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1396 u8 msix_index, u32 reply);
1397void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1398 Mpi2EventNotificationReply_t *mpi_reply);
1399
1400void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1401 u8 bits_to_regsiter);
1402int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1403 u8 *issue_reset);
1404
1405/* transport shared API */
7497392a 1406extern struct scsi_transport_template *mpt3sas_transport_template;
f92363d1
SR		 1407u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1408 u32 reply);
1409struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
1410 u16 handle, u64 sas_address);
1411void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1412 u64 sas_address_parent);
1413int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
1414 *mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1415int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
1416 struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
1417 struct device *parent_dev);
1418void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
1419 u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1420extern struct sas_function_template mpt3sas_transport_functions;
1421extern struct scsi_transport_template *mpt3sas_transport_template;
1422extern int scsi_internal_device_block(struct scsi_device *sdev);
1423extern int scsi_internal_device_unblock(struct scsi_device *sdev,
1424 enum scsi_device_state new_state);
1425/* trigger data externs */
1426void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
1427 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1428void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
1429 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1430void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
1431 u32 tigger_bitmask);
1432void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
1433 u16 log_entry_qualifier);
1434void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
1435 u8 asc, u8 ascq);
1436void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
1437 u32 loginfo);
c84b06a4
SR		 1438
1439/* warpdrive APIs */
1440u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc);
1441void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc,
1442 struct _raid_device *raid_device);
0a5149ba 1443u8
c84b06a4 1444mpt3sas_scsi_direct_io_get(struct MPT3SAS_ADAPTER *ioc, u16 smid);
0a5149ba 1445void
c84b06a4
SR		 1446mpt3sas_scsi_direct_io_set(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 direct_io);
1447void
1448mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
1449 struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request,
1450 u16 smid);
1451
f92363d1 1452#endif /* MPT3SAS_BASE_H_INCLUDED */
Linux kernel - Deliverables
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