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mpt3sas: Ensure the connector_name string is NUL-terminated
[linux-2.6-block.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
122
123#define CAN_SLEEP 1
124#define NO_SLEEP 0
125
126#define INTERNAL_CMDS_COUNT 10 /* reserved cmds */
fd0331b3
SS		 127/* reserved for issuing internally framed scsi io cmds */
128#define INTERNAL_SCSIIO_CMDS_COUNT 3
f92363d1
SR		 129
130#define MPI3_HIM_MASK 0xFFFFFFFF /* mask every bit*/
131
132#define MPT3SAS_INVALID_DEVICE_HANDLE 0xFFFF
133
ebb3024e
SS		 134#define MAX_CHAIN_ELEMT_SZ 16
135#define DEFAULT_NUM_FWCHAIN_ELEMTS 8
136
f92363d1
SR		 137/*
138 * reset phases
139 */
140#define MPT3_IOC_PRE_RESET 1 /* prior to host reset */
141#define MPT3_IOC_AFTER_RESET 2 /* just after host reset */
142#define MPT3_IOC_DONE_RESET 3 /* links re-initialized */
143
144/*
145 * logging format
146 */
147#define MPT3SAS_FMT "%s: "
148
7786ab6a
SR		 149/*
150 * WarpDrive Specific Log codes
151 */
152
153#define MPT2_WARPDRIVE_LOGENTRY (0x8002)
154#define MPT2_WARPDRIVE_LC_SSDT (0x41)
155#define MPT2_WARPDRIVE_LC_SSDLW (0x43)
156#define MPT2_WARPDRIVE_LC_SSDLF (0x44)
157#define MPT2_WARPDRIVE_LC_BRMF (0x4D)
158
f92363d1
SR		 159/*
160 * per target private data
161 */
162#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
163#define MPT_TARGET_FLAGS_VOLUME 0x02
164#define MPT_TARGET_FLAGS_DELETED 0x04
165#define MPT_TARGET_FASTPATH_IO 0x08
166
42081173
SR		 167#define SAS2_PCI_DEVICE_B0_REVISION (0x01)
168#define SAS3_PCI_DEVICE_C0_REVISION (0x02)
169
1117b31a
SR		 170/*
171 * Intel HBA branding
172 */
989e43c7
SR		 173#define MPT2SAS_INTEL_RMS25JB080_BRANDING \
174 "Intel(R) Integrated RAID Module RMS25JB080"
175#define MPT2SAS_INTEL_RMS25JB040_BRANDING \
176 "Intel(R) Integrated RAID Module RMS25JB040"
177#define MPT2SAS_INTEL_RMS25KB080_BRANDING \
178 "Intel(R) Integrated RAID Module RMS25KB080"
179#define MPT2SAS_INTEL_RMS25KB040_BRANDING \
180 "Intel(R) Integrated RAID Module RMS25KB040"
181#define MPT2SAS_INTEL_RMS25LB040_BRANDING \
182 "Intel(R) Integrated RAID Module RMS25LB040"
183#define MPT2SAS_INTEL_RMS25LB080_BRANDING \
184 "Intel(R) Integrated RAID Module RMS25LB080"
185#define MPT2SAS_INTEL_RMS2LL080_BRANDING \
186 "Intel Integrated RAID Module RMS2LL080"
187#define MPT2SAS_INTEL_RMS2LL040_BRANDING \
188 "Intel Integrated RAID Module RMS2LL040"
189#define MPT2SAS_INTEL_RS25GB008_BRANDING \
190 "Intel(R) RAID Controller RS25GB008"
191#define MPT2SAS_INTEL_SSD910_BRANDING \
192 "Intel(R) SSD 910 Series"
193
1117b31a
SR		 194#define MPT3SAS_INTEL_RMS3JC080_BRANDING \
195 "Intel(R) Integrated RAID Module RMS3JC080"
196#define MPT3SAS_INTEL_RS3GC008_BRANDING \
197 "Intel(R) RAID Controller RS3GC008"
198#define MPT3SAS_INTEL_RS3FC044_BRANDING \
199 "Intel(R) RAID Controller RS3FC044"
200#define MPT3SAS_INTEL_RS3UC080_BRANDING \
201 "Intel(R) RAID Controller RS3UC080"
f92363d1 202
1117b31a
SR		 203/*
204 * Intel HBA SSDIDs
205 */
989e43c7
SR		 206#define MPT2SAS_INTEL_RMS25JB080_SSDID 0x3516
207#define MPT2SAS_INTEL_RMS25JB040_SSDID 0x3517
208#define MPT2SAS_INTEL_RMS25KB080_SSDID 0x3518
209#define MPT2SAS_INTEL_RMS25KB040_SSDID 0x3519
210#define MPT2SAS_INTEL_RMS25LB040_SSDID 0x351A
211#define MPT2SAS_INTEL_RMS25LB080_SSDID 0x351B
212#define MPT2SAS_INTEL_RMS2LL080_SSDID 0x350E
213#define MPT2SAS_INTEL_RMS2LL040_SSDID 0x350F
214#define MPT2SAS_INTEL_RS25GB008_SSDID 0x3000
215#define MPT2SAS_INTEL_SSD910_SSDID 0x3700
216
217#define MPT3SAS_INTEL_RMS3JC080_SSDID 0x3521
218#define MPT3SAS_INTEL_RS3GC008_SSDID 0x3522
219#define MPT3SAS_INTEL_RS3FC044_SSDID 0x3523
220#define MPT3SAS_INTEL_RS3UC080_SSDID 0x3524
f92363d1 221
fb84dfc4
SR		 222/*
223 * Dell HBA branding
224 */
989e43c7
SR		 225#define MPT2SAS_DELL_BRANDING_SIZE 32
226
227#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA"
228#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter"
229#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
230#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular"
231#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded"
232#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200"
233#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS"
234
fb84dfc4
SR		 235#define MPT3SAS_DELL_12G_HBA_BRANDING \
236 "Dell 12Gbps HBA"
237
238/*
239 * Dell HBA SSDIDs
240 */
989e43c7
SR		 241#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C
242#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D
243#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
244#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F
245#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20
246#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21
247#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22
248
249#define MPT3SAS_DELL_12G_HBA_SSDID 0x1F46
fb84dfc4 250
38e4141e
SR		 251/*
252 * Cisco HBA branding
253 */
d8eb4a47 254#define MPT3SAS_CISCO_12G_8E_HBA_BRANDING \
989e43c7 255 "Cisco 9300-8E 12G SAS HBA"
d8eb4a47 256#define MPT3SAS_CISCO_12G_8I_HBA_BRANDING \
989e43c7 257 "Cisco 9300-8i 12G SAS HBA"
d8eb4a47 258#define MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING \
989e43c7 259 "Cisco 12G Modular SAS Pass through Controller"
d8eb4a47 260#define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING \
989e43c7 261 "UCS C3X60 12G SAS Pass through Controller"
38e4141e
SR		 262/*
263 * Cisco HBA SSSDIDs
264 */
d8eb4a47
SR		 265#define MPT3SAS_CISCO_12G_8E_HBA_SSDID 0x14C
266#define MPT3SAS_CISCO_12G_8I_HBA_SSDID 0x154
267#define MPT3SAS_CISCO_12G_AVILA_HBA_SSDID 0x155
268#define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID 0x156
38e4141e 269
f92363d1
SR		 270/*
271 * status bits for ioc->diag_buffer_status
272 */
273#define MPT3_DIAG_BUFFER_IS_REGISTERED (0x01)
274#define MPT3_DIAG_BUFFER_IS_RELEASED (0x02)
275#define MPT3_DIAG_BUFFER_IS_DIAG_RESET (0x04)
276
989e43c7
SR		 277/*
278 * HP HBA branding
279 */
280#define MPT2SAS_HP_3PAR_SSVID 0x1590
281
282#define MPT2SAS_HP_2_4_INTERNAL_BRANDING \
283 "HP H220 Host Bus Adapter"
284#define MPT2SAS_HP_2_4_EXTERNAL_BRANDING \
285 "HP H221 Host Bus Adapter"
286#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING \
287 "HP H222 Host Bus Adapter"
288#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING \
289 "HP H220i Host Bus Adapter"
290#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING \
291 "HP H210i Host Bus Adapter"
292
293/*
294 * HO HBA SSDIDs
295 */
296#define MPT2SAS_HP_2_4_INTERNAL_SSDID 0x0041
297#define MPT2SAS_HP_2_4_EXTERNAL_SSDID 0x0042
298#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID 0x0043
299#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID 0x0044
300#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID 0x0046
301
fb77bb53
SR		 302/*
303 * Combined Reply Queue constants,
304 * There are twelve Supplemental Reply Post Host Index Registers
305 * and each register is at offset 0x10 bytes from the previous one.
306 */
307#define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT 12
308#define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET (0x10)
f92363d1
SR		 309
310/* OEM Identifiers */
311#define MFG10_OEM_ID_INVALID (0x00000000)
312#define MFG10_OEM_ID_DELL (0x00000001)
313#define MFG10_OEM_ID_FSC (0x00000002)
314#define MFG10_OEM_ID_SUN (0x00000003)
315#define MFG10_OEM_ID_IBM (0x00000004)
316
317/* GENERIC Flags 0*/
318#define MFG10_GF0_OCE_DISABLED (0x00000001)
319#define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002)
320#define MFG10_GF0_R10_DISPLAY (0x00000004)
321#define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008)
322#define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010)
323
3898f08e
SR		 324#define VIRTUAL_IO_FAILED_RETRY (0x32010081)
325
f92363d1
SR		 326/* OEM Specific Flags will come from OEM specific header files */
327struct Mpi2ManufacturingPage10_t {
328 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
329 U8 OEMIdentifier; /* 04h */
330 U8 Reserved1; /* 05h */
331 U16 Reserved2; /* 08h */
332 U32 Reserved3; /* 0Ch */
333 U32 GenericFlags0; /* 10h */
334 U32 GenericFlags1; /* 14h */
335 U32 Reserved4; /* 18h */
336 U32 OEMSpecificFlags0; /* 1Ch */
337 U32 OEMSpecificFlags1; /* 20h */
338 U32 Reserved5[18]; /* 24h - 60h*/
339};
340
341
342/* Miscellaneous options */
343struct Mpi2ManufacturingPage11_t {
344 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
345 __le32 Reserved1; /* 04h */
346 u8 Reserved2; /* 08h */
347 u8 EEDPTagMode; /* 09h */
348 u8 Reserved3; /* 0Ah */
349 u8 Reserved4; /* 0Bh */
350 __le32 Reserved5[23]; /* 0Ch-60h*/
351};
352
353/**
354 * struct MPT3SAS_TARGET - starget private hostdata
355 * @starget: starget object
356 * @sas_address: target sas address
7786ab6a 357 * @raid_device: raid_device pointer to access volume data
f92363d1
SR		 358 * @handle: device handle
359 * @num_luns: number luns
360 * @flags: MPT_TARGET_FLAGS_XXX flags
361 * @deleted: target flaged for deletion
362 * @tm_busy: target is busy with TM request.
d1cb5e49 363 * @sdev: The sas_device associated with this target
f92363d1
SR		 364 */
365struct MPT3SAS_TARGET {
366 struct scsi_target *starget;
367 u64 sas_address;
7786ab6a 368 struct _raid_device *raid_device;
f92363d1
SR		 369 u16 handle;
370 int num_luns;
371 u32 flags;
372 u8 deleted;
373 u8 tm_busy;
d1cb5e49 374 struct _sas_device *sdev;
f92363d1
SR		 375};
376
377
378/*
379 * per device private data
380 */
381#define MPT_DEVICE_FLAGS_INIT 0x01
382#define MPT_DEVICE_TLR_ON 0x02
383
7786ab6a
SR		 384#define MFG_PAGE10_HIDE_SSDS_MASK (0x00000003)
385#define MFG_PAGE10_HIDE_ALL_DISKS (0x00)
386#define MFG_PAGE10_EXPOSE_ALL_DISKS (0x01)
387#define MFG_PAGE10_HIDE_IF_VOL_PRESENT (0x02)
388
f92363d1
SR		 389/**
390 * struct MPT3SAS_DEVICE - sdev private hostdata
391 * @sas_target: starget private hostdata
392 * @lun: lun number
393 * @flags: MPT_DEVICE_XXX flags
394 * @configured_lun: lun is configured
395 * @block: device is in SDEV_BLOCK state
396 * @tlr_snoop_check: flag used in determining whether to disable TLR
397 * @eedp_enable: eedp support enable bit
398 * @eedp_type: 0(type_1), 1(type_2), 2(type_3)
399 * @eedp_block_length: block size
400 */
401struct MPT3SAS_DEVICE {
402 struct MPT3SAS_TARGET *sas_target;
403 unsigned int lun;
404 u32 flags;
405 u8 configured_lun;
406 u8 block;
407 u8 tlr_snoop_check;
30158dc9 408 u8 ignore_delay_remove;
f92363d1
SR		 409};
410
411#define MPT3_CMD_NOT_USED 0x8000 /* free */
412#define MPT3_CMD_COMPLETE 0x0001 /* completed */
413#define MPT3_CMD_PENDING 0x0002 /* pending */
414#define MPT3_CMD_REPLY_VALID 0x0004 /* reply is valid */
415#define MPT3_CMD_RESET 0x0008 /* host reset dropped the command */
416
417/**
418 * struct _internal_cmd - internal commands struct
419 * @mutex: mutex
420 * @done: completion
421 * @reply: reply message pointer
422 * @sense: sense data
423 * @status: MPT3_CMD_XXX status
424 * @smid: system message id
425 */
426struct _internal_cmd {
427 struct mutex mutex;
428 struct completion done;
429 void *reply;
430 void *sense;
431 u16 status;
432 u16 smid;
433};
434
435
436
437/**
438 * struct _sas_device - attached device information
439 * @list: sas device list
440 * @starget: starget object
441 * @sas_address: device sas address
442 * @device_name: retrieved from the SAS IDENTIFY frame.
443 * @handle: device handle
444 * @sas_address_parent: sas address of parent expander or sas host
445 * @enclosure_handle: enclosure handle
446 * @enclosure_logical_id: enclosure logical identifier
447 * @volume_handle: volume handle (valid when hidden raid member)
448 * @volume_wwid: volume unique identifier
449 * @device_info: bitfield provides detailed info about the device
450 * @id: target id
451 * @channel: target channel
452 * @slot: number number
453 * @phy: phy identifier provided in sas device page 0
f92363d1 454 * @responding: used in _scsih_sas_device_mark_responding
0f624c39
SR		 455 * @fast_path: fast path feature enable bit
456 * @pfa_led_on: flag for PFA LED status
e4bc7f5c
SR		 457 * @pend_sas_rphy_add: flag to check if device is in sas_rphy_add()
458 * addition routine.
f92363d1
SR		 459 */
460struct _sas_device {
461 struct list_head list;
462 struct scsi_target *starget;
463 u64 sas_address;
464 u64 device_name;
465 u16 handle;
466 u64 sas_address_parent;
467 u16 enclosure_handle;
468 u64 enclosure_logical_id;
469 u16 volume_handle;
470 u64 volume_wwid;
471 u32 device_info;
472 int id;
473 int channel;
474 u16 slot;
475 u8 phy;
476 u8 responding;
477 u8 fast_path;
0f624c39 478 u8 pfa_led_on;
e4bc7f5c 479 u8 pend_sas_rphy_add;
e6d45e3e 480 u8 enclosure_level;
310c8e40 481 u8 connector_name[5];
d1cb5e49 482 struct kref refcount;
f92363d1
SR		 483};
484
d1cb5e49
SR		 485static inline void sas_device_get(struct _sas_device *s)
486{
487 kref_get(&s->refcount);
488}
489
490static inline void sas_device_free(struct kref *r)
491{
492 kfree(container_of(r, struct _sas_device, refcount));
493}
494
495static inline void sas_device_put(struct _sas_device *s)
496{
497 kref_put(&s->refcount, sas_device_free);
498}
499
f92363d1
SR		 500/**
501 * struct _raid_device - raid volume link list
502 * @list: sas device list
503 * @starget: starget object
504 * @sdev: scsi device struct (volumes are single lun)
505 * @wwid: unique identifier for the volume
506 * @handle: device handle
7786ab6a 507 * @block_size: Block size of the volume
f92363d1
SR		 508 * @id: target id
509 * @channel: target channel
510 * @volume_type: the raid level
511 * @device_info: bitfield provides detailed info about the hidden components
512 * @num_pds: number of hidden raid components
513 * @responding: used in _scsih_raid_device_mark_responding
514 * @percent_complete: resync percent complete
7786ab6a
SR		 515 * @direct_io_enabled: Whether direct io to PDs are allowed or not
516 * @stripe_exponent: X where 2powX is the stripe sz in blocks
517 * @block_exponent: X where 2powX is the block sz in bytes
518 * @max_lba: Maximum number of LBA in the volume
519 * @stripe_sz: Stripe Size of the volume
520 * @device_info: Device info of the volume member disk
521 * @pd_handle: Array of handles of the physical drives for direct I/O in le16
f92363d1
SR		 522 */
523#define MPT_MAX_WARPDRIVE_PDS 8
524struct _raid_device {
525 struct list_head list;
526 struct scsi_target *starget;
527 struct scsi_device *sdev;
528 u64 wwid;
529 u16 handle;
7786ab6a 530 u16 block_sz;
f92363d1
SR		 531 int id;
532 int channel;
533 u8 volume_type;
534 u8 num_pds;
535 u8 responding;
536 u8 percent_complete;
7786ab6a
SR		 537 u8 direct_io_enabled;
538 u8 stripe_exponent;
539 u8 block_exponent;
540 u64 max_lba;
541 u32 stripe_sz;
f92363d1 542 u32 device_info;
7786ab6a 543 u16 pd_handle[MPT_MAX_WARPDRIVE_PDS];
f92363d1
SR		 544};
545
546/**
547 * struct _boot_device - boot device info
548 * @is_raid: flag to indicate whether this is volume
549 * @device: holds pointer for either struct _sas_device or
550 * struct _raid_device
551 */
552struct _boot_device {
553 u8 is_raid;
554 void *device;
555};
556
557/**
558 * struct _sas_port - wide/narrow sas port information
559 * @port_list: list of ports belonging to expander
560 * @num_phys: number of phys belonging to this port
561 * @remote_identify: attached device identification
562 * @rphy: sas transport rphy object
563 * @port: sas transport wide/narrow port object
564 * @phy_list: _sas_phy list objects belonging to this port
565 */
566struct _sas_port {
567 struct list_head port_list;
568 u8 num_phys;
569 struct sas_identify remote_identify;
570 struct sas_rphy *rphy;
571 struct sas_port *port;
572 struct list_head phy_list;
573};
574
575/**
576 * struct _sas_phy - phy information
577 * @port_siblings: list of phys belonging to a port
578 * @identify: phy identification
579 * @remote_identify: attached device identification
580 * @phy: sas transport phy object
581 * @phy_id: unique phy id
582 * @handle: device handle for this phy
583 * @attached_handle: device handle for attached device
584 * @phy_belongs_to_port: port has been created for this phy
585 */
586struct _sas_phy {
587 struct list_head port_siblings;
588 struct sas_identify identify;
589 struct sas_identify remote_identify;
590 struct sas_phy *phy;
591 u8 phy_id;
592 u16 handle;
593 u16 attached_handle;
594 u8 phy_belongs_to_port;
595};
596
597/**
598 * struct _sas_node - sas_host/expander information
599 * @list: list of expanders
600 * @parent_dev: parent device class
601 * @num_phys: number phys belonging to this sas_host/expander
602 * @sas_address: sas address of this sas_host/expander
603 * @handle: handle for this sas_host/expander
604 * @sas_address_parent: sas address of parent expander or sas host
605 * @enclosure_handle: handle for this a member of an enclosure
606 * @device_info: bitwise defining capabilities of this sas_host/expander
607 * @responding: used in _scsih_expander_device_mark_responding
608 * @phy: a list of phys that make up this sas_host/expander
609 * @sas_port_list: list of ports attached to this sas_host/expander
610 */
611struct _sas_node {
612 struct list_head list;
613 struct device *parent_dev;
614 u8 num_phys;
615 u64 sas_address;
616 u16 handle;
617 u64 sas_address_parent;
618 u16 enclosure_handle;
619 u64 enclosure_logical_id;
620 u8 responding;
621 struct _sas_phy *phy;
622 struct list_head sas_port_list;
623};
624
625/**
626 * enum reset_type - reset state
627 * @FORCE_BIG_HAMMER: issue diagnostic reset
628 * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
629 */
630enum reset_type {
631 FORCE_BIG_HAMMER,
632 SOFT_RESET,
633};
634
635/**
636 * struct chain_tracker - firmware chain tracker
637 * @chain_buffer: chain buffer
638 * @chain_buffer_dma: physical address
639 * @tracker_list: list of free request (ioc->free_chain_list)
640 */
641struct chain_tracker {
642 void *chain_buffer;
643 dma_addr_t chain_buffer_dma;
644 struct list_head tracker_list;
645};
646
647/**
648 * struct scsiio_tracker - scsi mf request tracker
649 * @smid: system message id
650 * @scmd: scsi request pointer
651 * @cb_idx: callback index
7786ab6a 652 * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
f92363d1 653 * @tracker_list: list of free request (ioc->free_list)
03d1fb3a 654 * @msix_io: IO's msix
f92363d1
SR		 655 */
656struct scsiio_tracker {
657 u16 smid;
658 struct scsi_cmnd *scmd;
659 u8 cb_idx;
7786ab6a 660 u8 direct_io;
f92363d1
SR		 661 struct list_head chain_list;
662 struct list_head tracker_list;
03d1fb3a 663 u16 msix_io;
f92363d1
SR		 664};
665
666/**
667 * struct request_tracker - firmware request tracker
668 * @smid: system message id
669 * @cb_idx: callback index
670 * @tracker_list: list of free request (ioc->free_list)
671 */
672struct request_tracker {
673 u16 smid;
674 u8 cb_idx;
675 struct list_head tracker_list;
676};
677
678/**
679 * struct _tr_list - target reset list
680 * @handle: device handle
681 * @state: state machine
682 */
683struct _tr_list {
684 struct list_head list;
685 u16 handle;
686 u16 state;
687};
688
fd0331b3
SS		 689/**
690 * struct _sc_list - delayed SAS_IO_UNIT_CONTROL message list
691 * @handle: device handle
692 */
693struct _sc_list {
694 struct list_head list;
695 u16 handle;
696};
697
698/**
699 * struct _event_ack_list - delayed event acknowledgment list
700 * @Event: Event ID
701 * @EventContext: used to track the event uniquely
702 */
703struct _event_ack_list {
704 struct list_head list;
705 u16 Event;
706 u32 EventContext;
707};
f92363d1
SR		 708
709/**
710 * struct adapter_reply_queue - the reply queue struct
711 * @ioc: per adapter object
712 * @msix_index: msix index into vector table
713 * @vector: irq vector
714 * @reply_post_host_index: head index in the pool where FW completes IO
715 * @reply_post_free: reply post base virt address
716 * @name: the name registered to request_irq()
717 * @busy: isr is actively processing replies on another cpu
718 * @list: this list
719*/
720struct adapter_reply_queue {
721 struct MPT3SAS_ADAPTER *ioc;
722 u8 msix_index;
723 unsigned int vector;
724 u32 reply_post_host_index;
725 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
726 char name[MPT_NAME_LENGTH];
727 atomic_t busy;
14b3114d 728 cpumask_var_t affinity_hint;
f92363d1
SR		 729 struct list_head list;
730};
731
732typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
733
734/* SAS3.0 support */
735typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
736 struct scsi_cmnd *scmd, u16 smid);
737typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
738 dma_addr_t data_out_dma, size_t data_out_sz,
739 dma_addr_t data_in_dma, size_t data_in_sz);
740typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
741 void *paddr);
742
743
744
745/* IOC Facts and Port Facts converted from little endian to cpu */
746union mpi3_version_union {
747 MPI2_VERSION_STRUCT Struct;
748 u32 Word;
749};
750
751struct mpt3sas_facts {
752 u16 MsgVersion;
753 u16 HeaderVersion;
754 u8 IOCNumber;
755 u8 VP_ID;
756 u8 VF_ID;
757 u16 IOCExceptions;
758 u16 IOCStatus;
759 u32 IOCLogInfo;
760 u8 MaxChainDepth;
761 u8 WhoInit;
762 u8 NumberOfPorts;
763 u8 MaxMSIxVectors;
764 u16 RequestCredit;
765 u16 ProductID;
766 u32 IOCCapabilities;
767 union mpi3_version_union FWVersion;
768 u16 IOCRequestFrameSize;
ebb3024e 769 u16 IOCMaxChainSegmentSize;
f92363d1
SR		 770 u16 MaxInitiators;
771 u16 MaxTargets;
772 u16 MaxSasExpanders;
773 u16 MaxEnclosures;
774 u16 ProtocolFlags;
775 u16 HighPriorityCredit;
776 u16 MaxReplyDescriptorPostQueueDepth;
777 u8 ReplyFrameSize;
778 u8 MaxVolumes;
779 u16 MaxDevHandle;
780 u16 MaxPersistentEntries;
781 u16 MinDevHandle;
782};
783
784struct mpt3sas_port_facts {
785 u8 PortNumber;
786 u8 VP_ID;
787 u8 VF_ID;
788 u8 PortType;
789 u16 MaxPostedCmdBuffers;
790};
791
9b05c91a
SR		 792struct reply_post_struct {
793 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
794 dma_addr_t reply_post_free_dma;
795};
796
f92363d1
SR		 797/**
798 * enum mutex_type - task management mutex type
799 * @TM_MUTEX_OFF: mutex is not required becuase calling function is acquiring it
800 * @TM_MUTEX_ON: mutex is required
801 */
802enum mutex_type {
803 TM_MUTEX_OFF = 0,
804 TM_MUTEX_ON = 1,
805};
806
807typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
808/**
809 * struct MPT3SAS_ADAPTER - per adapter struct
810 * @list: ioc_list
811 * @shost: shost object
812 * @id: unique adapter id
813 * @cpu_count: number online cpus
814 * @name: generic ioc string
815 * @tmp_string: tmp string used for logging
816 * @pdev: pci pdev object
817 * @pio_chip: physical io register space
818 * @chip: memory mapped register space
819 * @chip_phys: physical addrss prior to mapping
820 * @logging_level: see mpt3sas_debug.h
821 * @fwfault_debug: debuging FW timeouts
822 * @ir_firmware: IR firmware present
823 * @bars: bitmask of BAR's that must be configured
824 * @mask_interrupts: ignore interrupt
9b05c91a 825 * @dma_mask: used to set the consistent dma mask
f92363d1
SR		 826 * @fault_reset_work_q_name: fw fault work queue
827 * @fault_reset_work_q: ""
828 * @fault_reset_work: ""
829 * @firmware_event_name: fw event work queue
830 * @firmware_event_thread: ""
831 * @fw_event_lock:
832 * @fw_event_list: list of fw events
833 * @aen_event_read_flag: event log was read
834 * @broadcast_aen_busy: broadcast aen waiting to be serviced
835 * @shost_recovery: host reset in progress
836 * @ioc_reset_in_progress_lock:
837 * @ioc_link_reset_in_progress: phy/hard reset in progress
838 * @ignore_loginfos: ignore loginfos during task management
839 * @remove_host: flag for when driver unloads, to avoid sending dev resets
840 * @pci_error_recovery: flag to prevent ioc access until slot reset completes
841 * @wait_for_discovery_to_complete: flag set at driver load time when
842 * waiting on reporting devices
843 * @is_driver_loading: flag set at driver load time
844 * @port_enable_failed: flag set when port enable has failed
845 * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
846 * @start_scan_failed: means port enable failed, return's the ioc_status
847 * @msix_enable: flag indicating msix is enabled
848 * @msix_vector_count: number msix vectors
849 * @cpu_msix_table: table for mapping cpus to msix index
850 * @cpu_msix_table_sz: table size
851 * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
852 * @scsi_io_cb_idx: shost generated commands
853 * @tm_cb_idx: task management commands
854 * @scsih_cb_idx: scsih internal commands
855 * @transport_cb_idx: transport internal commands
856 * @ctl_cb_idx: clt internal commands
857 * @base_cb_idx: base internal commands
858 * @config_cb_idx: base internal commands
859 * @tm_tr_cb_idx : device removal target reset handshake
860 * @tm_tr_volume_cb_idx : volume removal target reset
861 * @base_cmds:
862 * @transport_cmds:
863 * @scsih_cmds:
864 * @tm_cmds:
865 * @ctl_cmds:
866 * @config_cmds:
867 * @base_add_sg_single: handler for either 32/64 bit sgl's
868 * @event_type: bits indicating which events to log
869 * @event_context: unique id for each logged event
870 * @event_log: event log pointer
871 * @event_masks: events that are masked
872 * @facts: static facts data
873 * @pfacts: static port facts data
874 * @manu_pg0: static manufacturing page 0
875 * @manu_pg10: static manufacturing page 10
876 * @manu_pg11: static manufacturing page 11
877 * @bios_pg2: static bios page 2
878 * @bios_pg3: static bios page 3
879 * @ioc_pg8: static ioc page 8
880 * @iounit_pg0: static iounit page 0
881 * @iounit_pg1: static iounit page 1
2d8ce8c9 882 * @iounit_pg8: static iounit page 8
f92363d1
SR		 883 * @sas_hba: sas host object
884 * @sas_expander_list: expander object list
885 * @sas_node_lock:
886 * @sas_device_list: sas device object list
887 * @sas_device_init_list: sas device object list (used only at init time)
888 * @sas_device_lock:
889 * @io_missing_delay: time for IO completed by fw when PDR enabled
890 * @device_missing_delay: time for device missing by fw when PDR enabled
891 * @sas_id : used for setting volume target IDs
892 * @blocking_handles: bitmask used to identify which devices need blocking
893 * @pd_handles : bitmask for PD handles
894 * @pd_handles_sz : size of pd_handle bitmask
895 * @config_page_sz: config page size
896 * @config_page: reserve memory for config page payload
897 * @config_page_dma:
898 * @hba_queue_depth: hba request queue depth
899 * @sge_size: sg element size for either 32/64 bit
900 * @scsiio_depth: SCSI_IO queue depth
901 * @request_sz: per request frame size
902 * @request: pool of request frames
903 * @request_dma:
904 * @request_dma_sz:
905 * @scsi_lookup: firmware request tracker list
906 * @scsi_lookup_lock:
907 * @free_list: free list of request
908 * @pending_io_count:
909 * @reset_wq:
910 * @chain: pool of chains
911 * @chain_dma:
912 * @max_sges_in_main_message: number sg elements in main message
913 * @max_sges_in_chain_message: number sg elements per chain
914 * @chains_needed_per_io: max chains per io
915 * @chain_depth: total chains allocated
ebb3024e
SS		 916 * @chain_segment_sz: gives the max number of
917 * SGEs accommodate on single chain buffer
f92363d1
SR		 918 * @hi_priority_smid:
919 * @hi_priority:
920 * @hi_priority_dma:
921 * @hi_priority_depth:
922 * @hpr_lookup:
923 * @hpr_free_list:
924 * @internal_smid:
925 * @internal:
926 * @internal_dma:
927 * @internal_depth:
928 * @internal_lookup:
929 * @internal_free_list:
930 * @sense: pool of sense
931 * @sense_dma:
932 * @sense_dma_pool:
933 * @reply_depth: hba reply queue depth:
934 * @reply_sz: per reply frame size:
935 * @reply: pool of replys:
936 * @reply_dma:
937 * @reply_dma_pool:
938 * @reply_free_queue_depth: reply free depth
939 * @reply_free: pool for reply free queue (32 bit addr)
940 * @reply_free_dma:
941 * @reply_free_dma_pool:
942 * @reply_free_host_index: tail index in pool to insert free replys
943 * @reply_post_queue_depth: reply post queue depth
9b05c91a
SR		 944 * @reply_post_struct: struct for reply_post_free physical & virt address
945 * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
946 * @rdpq_array_enable: rdpq_array support is enabled in the driver
947 * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
948 * is assigned only ones
f92363d1
SR		 949 * @reply_queue_count: number of reply queue's
950 * @reply_queue_list: link list contaning the reply queue info
fb77bb53
SR		 951 * @msix96_vector: 96 MSI-X vector support
952 * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue
f92363d1
SR		 953 * @delayed_tr_list: target reset link list
954 * @delayed_tr_volume_list: volume target reset link list
fd0331b3
SS		 955 * @delayed_sc_list:
956 * @delayed_event_ack_list:
08c4d550
SR		 957 * @temp_sensors_count: flag to carry the number of temperature sensors
958 * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
959 * pci resource handling. PCI resource freeing will lead to free
960 * vital hardware/memory resource, which might be in use by cli/sysfs
961 * path functions resulting in Null pointer reference followed by kernel
962 * crash. To avoid the above race condition we use mutex syncrhonization
963 * which ensures the syncrhonization between cli/sysfs_show path.
f92363d1
SR		 964 */
965struct MPT3SAS_ADAPTER {
966 struct list_head list;
967 struct Scsi_Host *shost;
968 u8 id;
969 int cpu_count;
970 char name[MPT_NAME_LENGTH];
c84b06a4 971 char driver_name[MPT_NAME_LENGTH];
f92363d1
SR		 972 char tmp_string[MPT_STRING_LENGTH];
973 struct pci_dev *pdev;
974 Mpi2SystemInterfaceRegs_t __iomem *chip;
975 resource_size_t chip_phys;
976 int logging_level;
977 int fwfault_debug;
978 u8 ir_firmware;
979 int bars;
980 u8 mask_interrupts;
9b05c91a 981 int dma_mask;
f92363d1
SR		 982
983 /* fw fault handler */
984 char fault_reset_work_q_name[20];
985 struct workqueue_struct *fault_reset_work_q;
986 struct delayed_work fault_reset_work;
987
988 /* fw event handler */
989 char firmware_event_name[20];
990 struct workqueue_struct *firmware_event_thread;
991 spinlock_t fw_event_lock;
992 struct list_head fw_event_list;
993
994 /* misc flags */
995 int aen_event_read_flag;
996 u8 broadcast_aen_busy;
997 u16 broadcast_aen_pending;
998 u8 shost_recovery;
999
1000 struct mutex reset_in_progress_mutex;
1001 spinlock_t ioc_reset_in_progress_lock;
1002 u8 ioc_link_reset_in_progress;
1003 u8 ioc_reset_in_progress_status;
1004
1005 u8 ignore_loginfos;
1006 u8 remove_host;
1007 u8 pci_error_recovery;
1008 u8 wait_for_discovery_to_complete;
1009 u8 is_driver_loading;
1010 u8 port_enable_failed;
1011 u8 start_scan;
1012 u16 start_scan_failed;
1013
1014 u8 msix_enable;
1015 u16 msix_vector_count;
1016 u8 *cpu_msix_table;
1017 u16 cpu_msix_table_sz;
7786ab6a 1018 resource_size_t __iomem **reply_post_host_index;
f92363d1
SR		 1019 u32 ioc_reset_count;
1020 MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
16e179bd 1021 u32 non_operational_loop;
f92363d1
SR		 1022
1023 /* internal commands, callback index */
1024 u8 scsi_io_cb_idx;
1025 u8 tm_cb_idx;
1026 u8 transport_cb_idx;
1027 u8 scsih_cb_idx;
1028 u8 ctl_cb_idx;
1029 u8 base_cb_idx;
1030 u8 port_enable_cb_idx;
1031 u8 config_cb_idx;
1032 u8 tm_tr_cb_idx;
1033 u8 tm_tr_volume_cb_idx;
1034 u8 tm_sas_control_cb_idx;
1035 struct _internal_cmd base_cmds;
1036 struct _internal_cmd port_enable_cmds;
1037 struct _internal_cmd transport_cmds;
1038 struct _internal_cmd scsih_cmds;
1039 struct _internal_cmd tm_cmds;
1040 struct _internal_cmd ctl_cmds;
1041 struct _internal_cmd config_cmds;
1042
1043 MPT_ADD_SGE base_add_sg_single;
1044
1045 /* function ptr for either IEEE or MPI sg elements */
1046 MPT_BUILD_SG_SCMD build_sg_scmd;
1047 MPT_BUILD_SG build_sg;
1048 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
f92363d1 1049 u16 sge_size_ieee;
d357e84d 1050 u16 hba_mpi_version_belonged;
f92363d1
SR		 1051
1052 /* function ptr for MPI sg elements only */
1053 MPT_BUILD_SG build_sg_mpi;
1054 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
1055
1056 /* event log */
1057 u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1058 u32 event_context;
1059 void *event_log;
1060 u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1061
1062 /* static config pages */
1063 struct mpt3sas_facts facts;
1064 struct mpt3sas_port_facts *pfacts;
1065 Mpi2ManufacturingPage0_t manu_pg0;
1066 struct Mpi2ManufacturingPage10_t manu_pg10;
1067 struct Mpi2ManufacturingPage11_t manu_pg11;
1068 Mpi2BiosPage2_t bios_pg2;
1069 Mpi2BiosPage3_t bios_pg3;
1070 Mpi2IOCPage8_t ioc_pg8;
1071 Mpi2IOUnitPage0_t iounit_pg0;
1072 Mpi2IOUnitPage1_t iounit_pg1;
2d8ce8c9 1073 Mpi2IOUnitPage8_t iounit_pg8;
f92363d1
SR		 1074
1075 struct _boot_device req_boot_device;
1076 struct _boot_device req_alt_boot_device;
1077 struct _boot_device current_boot_device;
1078
1079 /* sas hba, expander, and device list */
1080 struct _sas_node sas_hba;
1081 struct list_head sas_expander_list;
1082 spinlock_t sas_node_lock;
1083 struct list_head sas_device_list;
1084 struct list_head sas_device_init_list;
1085 spinlock_t sas_device_lock;
1086 struct list_head raid_device_list;
1087 spinlock_t raid_device_lock;
1088 u8 io_missing_delay;
1089 u16 device_missing_delay;
1090 int sas_id;
1091
1092 void *blocking_handles;
1093 void *pd_handles;
1094 u16 pd_handles_sz;
1095
1096 /* config page */
1097 u16 config_page_sz;
1098 void *config_page;
1099 dma_addr_t config_page_dma;
1100
1101 /* scsiio request */
1102 u16 hba_queue_depth;
1103 u16 sge_size;
1104 u16 scsiio_depth;
1105 u16 request_sz;
1106 u8 *request;
1107 dma_addr_t request_dma;
1108 u32 request_dma_sz;
1109 struct scsiio_tracker *scsi_lookup;
1110 ulong scsi_lookup_pages;
1111 spinlock_t scsi_lookup_lock;
1112 struct list_head free_list;
1113 int pending_io_count;
1114 wait_queue_head_t reset_wq;
1115
1116 /* chain */
1117 struct chain_tracker *chain_lookup;
1118 struct list_head free_chain_list;
1119 struct dma_pool *chain_dma_pool;
1120 ulong chain_pages;
1121 u16 max_sges_in_main_message;
1122 u16 max_sges_in_chain_message;
1123 u16 chains_needed_per_io;
1124 u32 chain_depth;
ebb3024e 1125 u16 chain_segment_sz;
f92363d1
SR		 1126
1127 /* hi-priority queue */
1128 u16 hi_priority_smid;
1129 u8 *hi_priority;
1130 dma_addr_t hi_priority_dma;
1131 u16 hi_priority_depth;
1132 struct request_tracker *hpr_lookup;
1133 struct list_head hpr_free_list;
1134
1135 /* internal queue */
1136 u16 internal_smid;
1137 u8 *internal;
1138 dma_addr_t internal_dma;
1139 u16 internal_depth;
1140 struct request_tracker *internal_lookup;
1141 struct list_head internal_free_list;
1142
1143 /* sense */
1144 u8 *sense;
1145 dma_addr_t sense_dma;
1146 struct dma_pool *sense_dma_pool;
1147
1148 /* reply */
1149 u16 reply_sz;
1150 u8 *reply;
1151 dma_addr_t reply_dma;
1152 u32 reply_dma_max_address;
1153 u32 reply_dma_min_address;
1154 struct dma_pool *reply_dma_pool;
1155
1156 /* reply free queue */
1157 u16 reply_free_queue_depth;
1158 __le32 *reply_free;
1159 dma_addr_t reply_free_dma;
1160 struct dma_pool *reply_free_dma_pool;
1161 u32 reply_free_host_index;
1162
1163 /* reply post queue */
1164 u16 reply_post_queue_depth;
9b05c91a
SR		 1165 struct reply_post_struct *reply_post;
1166 u8 rdpq_array_capable;
1167 u8 rdpq_array_enable;
1168 u8 rdpq_array_enable_assigned;
f92363d1
SR		 1169 struct dma_pool *reply_post_free_dma_pool;
1170 u8 reply_queue_count;
1171 struct list_head reply_queue_list;
1172
fb77bb53
SR		 1173 u8 msix96_vector;
1174 /* reply post register index */
1175 resource_size_t **replyPostRegisterIndex;
1176
f92363d1
SR		 1177 struct list_head delayed_tr_list;
1178 struct list_head delayed_tr_volume_list;
fd0331b3
SS		 1179 struct list_head delayed_sc_list;
1180 struct list_head delayed_event_ack_list;
2d8ce8c9 1181 u8 temp_sensors_count;
08c4d550 1182 struct mutex pci_access_mutex;
f92363d1
SR		 1183
1184 /* diag buffer support */
1185 u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1186 u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1187 dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1188 u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1189 u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1190 u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1191 u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1192 u32 ring_buffer_offset;
1193 u32 ring_buffer_sz;
7786ab6a
SR		 1194 u8 is_warpdrive;
1195 u8 hide_ir_msg;
1196 u8 mfg_pg10_hide_flag;
1197 u8 hide_drives;
f92363d1
SR		 1198 spinlock_t diag_trigger_lock;
1199 u8 diag_trigger_active;
1200 struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
1201 struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
1202 struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
1203 struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
1204};
1205
1206typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1207 u32 reply);
1208
1209
1210/* base shared API */
1211extern struct list_head mpt3sas_ioc_list;
d357e84d 1212extern char driver_name[MPT_NAME_LENGTH];
08c4d550
SR		 1213/* spinlock on list operations over IOCs
1214 * Case: when multiple warpdrive cards(IOCs) are in use
1215 * Each IOC will added to the ioc list structure on initialization.
1216 * Watchdog threads run at regular intervals to check IOC for any
1217 * fault conditions which will trigger the dead_ioc thread to
1218 * deallocate pci resource, resulting deleting the IOC netry from list,
1219 * this deletion need to protected by spinlock to enusre that
1220 * ioc removal is syncrhonized, if not synchronized it might lead to
1221 * list_del corruption as the ioc list is traversed in cli path.
1222 */
1223extern spinlock_t gioc_lock;
d357e84d 1224
f92363d1
SR		 1225void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
1226void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
1227
1228int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
1229void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
1230int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
1231void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
1232int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc, int sleep_flag,
1233 enum reset_type type);
1234
1235void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1236void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1237__le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
1238 u16 smid);
5f0dfb7a
C		 1239
1240void mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc);
f92363d1
SR		 1241
1242/* hi-priority queue */
1243u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1244u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
1245 struct scsi_cmnd *scmd);
1246
1247u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1248void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1249void mpt3sas_base_put_smid_scsi_io(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1250 u16 handle);
1251void mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1252 u16 handle);
03d1fb3a
SS		 1253void mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc,
1254 u16 smid, u16 msix_task);
f92363d1
SR		 1255void mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1256void mpt3sas_base_initialize_callback_handler(void);
1257u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1258void mpt3sas_base_release_callback_handler(u8 cb_idx);
1259
1260u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1261 u32 reply);
1262u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1263 u8 msix_index, u32 reply);
1264void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
1265 u32 phys_addr);
1266
1267u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
1268
1269void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
1270int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
1271 Mpi2SasIoUnitControlReply_t *mpi_reply,
1272 Mpi2SasIoUnitControlRequest_t *mpi_request);
1273int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
1274 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1275
1276void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
1277 u32 *event_type);
1278
1279void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
1280
1281void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
1282 u16 device_missing_delay, u8 io_missing_delay);
1283
1284int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
1285
1286
1287/* scsih shared API */
1288u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
1289 u32 reply);
1290void mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1291
1292int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1293 uint channel, uint id, uint lun, u8 type, u16 smid_task,
c62e46de 1294 ulong timeout, enum mutex_type m_type);
f92363d1
SR		 1295void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1296void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1297void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1298void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1299 u64 sas_address);
fd0331b3
SS		 1300u8 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc,
1301 u16 smid);
f92363d1
SR		 1302
1303struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1304 struct MPT3SAS_ADAPTER *ioc, u16 handle);
1305struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1306 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
d1cb5e49
SR		 1307struct _sas_device *mpt3sas_get_sdev_by_addr(
1308 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1309struct _sas_device *__mpt3sas_get_sdev_by_addr(
1310 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
f92363d1
SR		 1311
1312void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
c84b06a4
SR		 1313struct _raid_device *
1314mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle);
8a7e4c24 1315
f92363d1
SR		 1316/* config shared API */
1317u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1318 u32 reply);
1319int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1320 u8 *num_phys);
1321int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1322 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1323int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1324 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1325 u16 sz);
1326int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1327 Mpi2ConfigReply_t *mpi_reply,
1328 struct Mpi2ManufacturingPage10_t *config_page);
1329
1330int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1331 Mpi2ConfigReply_t *mpi_reply,
1332 struct Mpi2ManufacturingPage11_t *config_page);
1333int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1334 Mpi2ConfigReply_t *mpi_reply,
1335 struct Mpi2ManufacturingPage11_t *config_page);
1336
1337int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1338 *mpi_reply, Mpi2BiosPage2_t *config_page);
1339int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1340 *mpi_reply, Mpi2BiosPage3_t *config_page);
1341int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1342 *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1343int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1344 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1345 u32 form, u32 handle);
1346int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1347 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1348 u32 form, u32 handle);
1349int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1350 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1351 u16 sz);
1352int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1353 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
42263095
SR		 1354int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc,
1355 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
f92363d1
SR		 1356int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1357 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
2d8ce8c9
SR		 1358int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1359 *mpi_reply, Mpi2IOUnitPage8_t *config_page);
f92363d1
SR		 1360int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1361 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1362 u16 sz);
1363int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1364 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1365 u16 sz);
1366int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1367 *mpi_reply, Mpi2IOCPage8_t *config_page);
1368int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1369 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1370 u32 form, u32 handle);
1371int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1372 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1373 u32 phy_number, u16 handle);
1374int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1375 Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1376 u32 form, u32 handle);
1377int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1378 *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1379int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1380 *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1381int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1382 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1383 u32 handle);
1384int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1385 u8 *num_pds);
1386int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1387 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1388 u32 handle, u16 sz);
1389int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1390 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1391 u32 form, u32 form_specific);
1392int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1393 u16 *volume_handle);
1394int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1395 u16 volume_handle, u64 *wwid);
1396
1397/* ctl shared API */
1398extern struct device_attribute *mpt3sas_host_attrs[];
1399extern struct device_attribute *mpt3sas_dev_attrs[];
c84b06a4
SR		 1400void mpt3sas_ctl_init(ushort hbas_to_enumerate);
1401void mpt3sas_ctl_exit(ushort hbas_to_enumerate);
f92363d1
SR		 1402u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1403 u32 reply);
1404void mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1405u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1406 u8 msix_index, u32 reply);
1407void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1408 Mpi2EventNotificationReply_t *mpi_reply);
1409
1410void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1411 u8 bits_to_regsiter);
1412int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1413 u8 *issue_reset);
1414
1415/* transport shared API */
7497392a 1416extern struct scsi_transport_template *mpt3sas_transport_template;
f92363d1
SR		 1417u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1418 u32 reply);
1419struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
1420 u16 handle, u64 sas_address);
1421void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1422 u64 sas_address_parent);
1423int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
1424 *mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1425int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
1426 struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
1427 struct device *parent_dev);
1428void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
1429 u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1430extern struct sas_function_template mpt3sas_transport_functions;
1431extern struct scsi_transport_template *mpt3sas_transport_template;
1432extern int scsi_internal_device_block(struct scsi_device *sdev);
1433extern int scsi_internal_device_unblock(struct scsi_device *sdev,
1434 enum scsi_device_state new_state);
1435/* trigger data externs */
1436void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
1437 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1438void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
1439 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1440void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
1441 u32 tigger_bitmask);
1442void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
1443 u16 log_entry_qualifier);
1444void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
1445 u8 asc, u8 ascq);
1446void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
1447 u32 loginfo);
c84b06a4
SR		 1448
1449/* warpdrive APIs */
1450u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc);
1451void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc,
1452 struct _raid_device *raid_device);
0a5149ba 1453u8
c84b06a4 1454mpt3sas_scsi_direct_io_get(struct MPT3SAS_ADAPTER *ioc, u16 smid);
0a5149ba 1455void
c84b06a4
SR		 1456mpt3sas_scsi_direct_io_set(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 direct_io);
1457void
1458mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
1459 struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request,
1460 u16 smid);
1461
f92363d1 1462#endif /* MPT3SAS_BASE_H_INCLUDED */
Linux 6.x block layer and io_uring tree(s)