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mpt3sas: Fix for Asynchronous completion of timedout IO and task abort of timedout IO.
[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"
abc01f7d 76#define MPT3SAS_DRIVER_VERSION "09.102.00.00"
c75683ca 77#define MPT3SAS_MAJOR_VERSION 9
abc01f7d 78#define MPT3SAS_MINOR_VERSION 102
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 */
8a7e4c24
SR		 93#define MPT_MAX_PHYS_SEGMENTS SCSI_MAX_SG_SEGMENTS
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
115#define MPT_NAME_LENGTH 32 /* generic length of strings */
116#define MPT_STRING_LENGTH 64
117
118#define MPT_MAX_CALLBACKS 32
119
120
121#define CAN_SLEEP 1
122#define NO_SLEEP 0
123
124#define INTERNAL_CMDS_COUNT 10 /* reserved cmds */
fd0331b3
SS		 125/* reserved for issuing internally framed scsi io cmds */
126#define INTERNAL_SCSIIO_CMDS_COUNT 3
f92363d1
SR		 127
128#define MPI3_HIM_MASK 0xFFFFFFFF /* mask every bit*/
129
130#define MPT3SAS_INVALID_DEVICE_HANDLE 0xFFFF
131
ebb3024e
SS		 132#define MAX_CHAIN_ELEMT_SZ 16
133#define DEFAULT_NUM_FWCHAIN_ELEMTS 8
134
f92363d1
SR		 135/*
136 * reset phases
137 */
138#define MPT3_IOC_PRE_RESET 1 /* prior to host reset */
139#define MPT3_IOC_AFTER_RESET 2 /* just after host reset */
140#define MPT3_IOC_DONE_RESET 3 /* links re-initialized */
141
142/*
143 * logging format
144 */
145#define MPT3SAS_FMT "%s: "
146
7786ab6a
SR		 147/*
148 * WarpDrive Specific Log codes
149 */
150
151#define MPT2_WARPDRIVE_LOGENTRY (0x8002)
152#define MPT2_WARPDRIVE_LC_SSDT (0x41)
153#define MPT2_WARPDRIVE_LC_SSDLW (0x43)
154#define MPT2_WARPDRIVE_LC_SSDLF (0x44)
155#define MPT2_WARPDRIVE_LC_BRMF (0x4D)
156
f92363d1
SR		 157/*
158 * per target private data
159 */
160#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
161#define MPT_TARGET_FLAGS_VOLUME 0x02
162#define MPT_TARGET_FLAGS_DELETED 0x04
163#define MPT_TARGET_FASTPATH_IO 0x08
164
42081173
SR		 165#define SAS2_PCI_DEVICE_B0_REVISION (0x01)
166#define SAS3_PCI_DEVICE_C0_REVISION (0x02)
167
1117b31a
SR		 168/*
169 * Intel HBA branding
170 */
989e43c7
SR		 171#define MPT2SAS_INTEL_RMS25JB080_BRANDING \
172 "Intel(R) Integrated RAID Module RMS25JB080"
173#define MPT2SAS_INTEL_RMS25JB040_BRANDING \
174 "Intel(R) Integrated RAID Module RMS25JB040"
175#define MPT2SAS_INTEL_RMS25KB080_BRANDING \
176 "Intel(R) Integrated RAID Module RMS25KB080"
177#define MPT2SAS_INTEL_RMS25KB040_BRANDING \
178 "Intel(R) Integrated RAID Module RMS25KB040"
179#define MPT2SAS_INTEL_RMS25LB040_BRANDING \
180 "Intel(R) Integrated RAID Module RMS25LB040"
181#define MPT2SAS_INTEL_RMS25LB080_BRANDING \
182 "Intel(R) Integrated RAID Module RMS25LB080"
183#define MPT2SAS_INTEL_RMS2LL080_BRANDING \
184 "Intel Integrated RAID Module RMS2LL080"
185#define MPT2SAS_INTEL_RMS2LL040_BRANDING \
186 "Intel Integrated RAID Module RMS2LL040"
187#define MPT2SAS_INTEL_RS25GB008_BRANDING \
188 "Intel(R) RAID Controller RS25GB008"
189#define MPT2SAS_INTEL_SSD910_BRANDING \
190 "Intel(R) SSD 910 Series"
191
1117b31a
SR		 192#define MPT3SAS_INTEL_RMS3JC080_BRANDING \
193 "Intel(R) Integrated RAID Module RMS3JC080"
194#define MPT3SAS_INTEL_RS3GC008_BRANDING \
195 "Intel(R) RAID Controller RS3GC008"
196#define MPT3SAS_INTEL_RS3FC044_BRANDING \
197 "Intel(R) RAID Controller RS3FC044"
198#define MPT3SAS_INTEL_RS3UC080_BRANDING \
199 "Intel(R) RAID Controller RS3UC080"
f92363d1 200
1117b31a
SR		 201/*
202 * Intel HBA SSDIDs
203 */
989e43c7
SR		 204#define MPT2SAS_INTEL_RMS25JB080_SSDID 0x3516
205#define MPT2SAS_INTEL_RMS25JB040_SSDID 0x3517
206#define MPT2SAS_INTEL_RMS25KB080_SSDID 0x3518
207#define MPT2SAS_INTEL_RMS25KB040_SSDID 0x3519
208#define MPT2SAS_INTEL_RMS25LB040_SSDID 0x351A
209#define MPT2SAS_INTEL_RMS25LB080_SSDID 0x351B
210#define MPT2SAS_INTEL_RMS2LL080_SSDID 0x350E
211#define MPT2SAS_INTEL_RMS2LL040_SSDID 0x350F
212#define MPT2SAS_INTEL_RS25GB008_SSDID 0x3000
213#define MPT2SAS_INTEL_SSD910_SSDID 0x3700
214
215#define MPT3SAS_INTEL_RMS3JC080_SSDID 0x3521
216#define MPT3SAS_INTEL_RS3GC008_SSDID 0x3522
217#define MPT3SAS_INTEL_RS3FC044_SSDID 0x3523
218#define MPT3SAS_INTEL_RS3UC080_SSDID 0x3524
f92363d1 219
fb84dfc4
SR		 220/*
221 * Dell HBA branding
222 */
989e43c7
SR		 223#define MPT2SAS_DELL_BRANDING_SIZE 32
224
225#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA"
226#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter"
227#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
228#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular"
229#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded"
230#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200"
231#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS"
232
fb84dfc4
SR		 233#define MPT3SAS_DELL_12G_HBA_BRANDING \
234 "Dell 12Gbps HBA"
235
236/*
237 * Dell HBA SSDIDs
238 */
989e43c7
SR		 239#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C
240#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D
241#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
242#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F
243#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20
244#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21
245#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22
246
247#define MPT3SAS_DELL_12G_HBA_SSDID 0x1F46
fb84dfc4 248
38e4141e
SR		 249/*
250 * Cisco HBA branding
251 */
d8eb4a47 252#define MPT3SAS_CISCO_12G_8E_HBA_BRANDING \
989e43c7 253 "Cisco 9300-8E 12G SAS HBA"
d8eb4a47 254#define MPT3SAS_CISCO_12G_8I_HBA_BRANDING \
989e43c7 255 "Cisco 9300-8i 12G SAS HBA"
d8eb4a47 256#define MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING \
989e43c7 257 "Cisco 12G Modular SAS Pass through Controller"
d8eb4a47 258#define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING \
989e43c7 259 "UCS C3X60 12G SAS Pass through Controller"
38e4141e
SR		 260/*
261 * Cisco HBA SSSDIDs
262 */
d8eb4a47
SR		 263#define MPT3SAS_CISCO_12G_8E_HBA_SSDID 0x14C
264#define MPT3SAS_CISCO_12G_8I_HBA_SSDID 0x154
265#define MPT3SAS_CISCO_12G_AVILA_HBA_SSDID 0x155
266#define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID 0x156
38e4141e 267
f92363d1
SR		 268/*
269 * status bits for ioc->diag_buffer_status
270 */
271#define MPT3_DIAG_BUFFER_IS_REGISTERED (0x01)
272#define MPT3_DIAG_BUFFER_IS_RELEASED (0x02)
273#define MPT3_DIAG_BUFFER_IS_DIAG_RESET (0x04)
274
989e43c7
SR		 275/*
276 * HP HBA branding
277 */
278#define MPT2SAS_HP_3PAR_SSVID 0x1590
279
280#define MPT2SAS_HP_2_4_INTERNAL_BRANDING \
281 "HP H220 Host Bus Adapter"
282#define MPT2SAS_HP_2_4_EXTERNAL_BRANDING \
283 "HP H221 Host Bus Adapter"
284#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING \
285 "HP H222 Host Bus Adapter"
286#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING \
287 "HP H220i Host Bus Adapter"
288#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING \
289 "HP H210i Host Bus Adapter"
290
291/*
292 * HO HBA SSDIDs
293 */
294#define MPT2SAS_HP_2_4_INTERNAL_SSDID 0x0041
295#define MPT2SAS_HP_2_4_EXTERNAL_SSDID 0x0042
296#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID 0x0043
297#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID 0x0044
298#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID 0x0046
299
fb77bb53
SR		 300/*
301 * Combined Reply Queue constants,
302 * There are twelve Supplemental Reply Post Host Index Registers
303 * and each register is at offset 0x10 bytes from the previous one.
304 */
305#define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT 12
306#define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET (0x10)
f92363d1
SR		 307
308/* OEM Identifiers */
309#define MFG10_OEM_ID_INVALID (0x00000000)
310#define MFG10_OEM_ID_DELL (0x00000001)
311#define MFG10_OEM_ID_FSC (0x00000002)
312#define MFG10_OEM_ID_SUN (0x00000003)
313#define MFG10_OEM_ID_IBM (0x00000004)
314
315/* GENERIC Flags 0*/
316#define MFG10_GF0_OCE_DISABLED (0x00000001)
317#define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002)
318#define MFG10_GF0_R10_DISPLAY (0x00000004)
319#define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008)
320#define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010)
321
3898f08e
SR		 322#define VIRTUAL_IO_FAILED_RETRY (0x32010081)
323
f92363d1
SR		 324/* OEM Specific Flags will come from OEM specific header files */
325struct Mpi2ManufacturingPage10_t {
326 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
327 U8 OEMIdentifier; /* 04h */
328 U8 Reserved1; /* 05h */
329 U16 Reserved2; /* 08h */
330 U32 Reserved3; /* 0Ch */
331 U32 GenericFlags0; /* 10h */
332 U32 GenericFlags1; /* 14h */
333 U32 Reserved4; /* 18h */
334 U32 OEMSpecificFlags0; /* 1Ch */
335 U32 OEMSpecificFlags1; /* 20h */
336 U32 Reserved5[18]; /* 24h - 60h*/
337};
338
339
340/* Miscellaneous options */
341struct Mpi2ManufacturingPage11_t {
342 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
343 __le32 Reserved1; /* 04h */
344 u8 Reserved2; /* 08h */
345 u8 EEDPTagMode; /* 09h */
346 u8 Reserved3; /* 0Ah */
347 u8 Reserved4; /* 0Bh */
348 __le32 Reserved5[23]; /* 0Ch-60h*/
349};
350
351/**
352 * struct MPT3SAS_TARGET - starget private hostdata
353 * @starget: starget object
354 * @sas_address: target sas address
7786ab6a 355 * @raid_device: raid_device pointer to access volume data
f92363d1
SR		 356 * @handle: device handle
357 * @num_luns: number luns
358 * @flags: MPT_TARGET_FLAGS_XXX flags
359 * @deleted: target flaged for deletion
360 * @tm_busy: target is busy with TM request.
d1cb5e49 361 * @sdev: The sas_device associated with this target
f92363d1
SR		 362 */
363struct MPT3SAS_TARGET {
364 struct scsi_target *starget;
365 u64 sas_address;
7786ab6a 366 struct _raid_device *raid_device;
f92363d1
SR		 367 u16 handle;
368 int num_luns;
369 u32 flags;
370 u8 deleted;
371 u8 tm_busy;
d1cb5e49 372 struct _sas_device *sdev;
f92363d1
SR		 373};
374
375
376/*
377 * per device private data
378 */
379#define MPT_DEVICE_FLAGS_INIT 0x01
380#define MPT_DEVICE_TLR_ON 0x02
381
7786ab6a
SR		 382#define MFG_PAGE10_HIDE_SSDS_MASK (0x00000003)
383#define MFG_PAGE10_HIDE_ALL_DISKS (0x00)
384#define MFG_PAGE10_EXPOSE_ALL_DISKS (0x01)
385#define MFG_PAGE10_HIDE_IF_VOL_PRESENT (0x02)
386
f92363d1
SR		 387/**
388 * struct MPT3SAS_DEVICE - sdev private hostdata
389 * @sas_target: starget private hostdata
390 * @lun: lun number
391 * @flags: MPT_DEVICE_XXX flags
392 * @configured_lun: lun is configured
393 * @block: device is in SDEV_BLOCK state
394 * @tlr_snoop_check: flag used in determining whether to disable TLR
395 * @eedp_enable: eedp support enable bit
396 * @eedp_type: 0(type_1), 1(type_2), 2(type_3)
397 * @eedp_block_length: block size
398 */
399struct MPT3SAS_DEVICE {
400 struct MPT3SAS_TARGET *sas_target;
401 unsigned int lun;
402 u32 flags;
403 u8 configured_lun;
404 u8 block;
405 u8 tlr_snoop_check;
30158dc9 406 u8 ignore_delay_remove;
f92363d1
SR		 407};
408
409#define MPT3_CMD_NOT_USED 0x8000 /* free */
410#define MPT3_CMD_COMPLETE 0x0001 /* completed */
411#define MPT3_CMD_PENDING 0x0002 /* pending */
412#define MPT3_CMD_REPLY_VALID 0x0004 /* reply is valid */
413#define MPT3_CMD_RESET 0x0008 /* host reset dropped the command */
414
415/**
416 * struct _internal_cmd - internal commands struct
417 * @mutex: mutex
418 * @done: completion
419 * @reply: reply message pointer
420 * @sense: sense data
421 * @status: MPT3_CMD_XXX status
422 * @smid: system message id
423 */
424struct _internal_cmd {
425 struct mutex mutex;
426 struct completion done;
427 void *reply;
428 void *sense;
429 u16 status;
430 u16 smid;
431};
432
433
434
435/**
436 * struct _sas_device - attached device information
437 * @list: sas device list
438 * @starget: starget object
439 * @sas_address: device sas address
440 * @device_name: retrieved from the SAS IDENTIFY frame.
441 * @handle: device handle
442 * @sas_address_parent: sas address of parent expander or sas host
443 * @enclosure_handle: enclosure handle
444 * @enclosure_logical_id: enclosure logical identifier
445 * @volume_handle: volume handle (valid when hidden raid member)
446 * @volume_wwid: volume unique identifier
447 * @device_info: bitfield provides detailed info about the device
448 * @id: target id
449 * @channel: target channel
450 * @slot: number number
451 * @phy: phy identifier provided in sas device page 0
f92363d1 452 * @responding: used in _scsih_sas_device_mark_responding
0f624c39
SR		 453 * @fast_path: fast path feature enable bit
454 * @pfa_led_on: flag for PFA LED status
e4bc7f5c
SR		 455 * @pend_sas_rphy_add: flag to check if device is in sas_rphy_add()
456 * addition routine.
f92363d1
SR		 457 */
458struct _sas_device {
459 struct list_head list;
460 struct scsi_target *starget;
461 u64 sas_address;
462 u64 device_name;
463 u16 handle;
464 u64 sas_address_parent;
465 u16 enclosure_handle;
466 u64 enclosure_logical_id;
467 u16 volume_handle;
468 u64 volume_wwid;
469 u32 device_info;
470 int id;
471 int channel;
472 u16 slot;
473 u8 phy;
474 u8 responding;
475 u8 fast_path;
0f624c39 476 u8 pfa_led_on;
e4bc7f5c 477 u8 pend_sas_rphy_add;
e6d45e3e
SR		 478 u8 enclosure_level;
479 u8 connector_name[4];
d1cb5e49 480 struct kref refcount;
f92363d1
SR		 481};
482
d1cb5e49
SR		 483static inline void sas_device_get(struct _sas_device *s)
484{
485 kref_get(&s->refcount);
486}
487
488static inline void sas_device_free(struct kref *r)
489{
490 kfree(container_of(r, struct _sas_device, refcount));
491}
492
493static inline void sas_device_put(struct _sas_device *s)
494{
495 kref_put(&s->refcount, sas_device_free);
496}
497
f92363d1
SR		 498/**
499 * struct _raid_device - raid volume link list
500 * @list: sas device list
501 * @starget: starget object
502 * @sdev: scsi device struct (volumes are single lun)
503 * @wwid: unique identifier for the volume
504 * @handle: device handle
7786ab6a 505 * @block_size: Block size of the volume
f92363d1
SR		 506 * @id: target id
507 * @channel: target channel
508 * @volume_type: the raid level
509 * @device_info: bitfield provides detailed info about the hidden components
510 * @num_pds: number of hidden raid components
511 * @responding: used in _scsih_raid_device_mark_responding
512 * @percent_complete: resync percent complete
7786ab6a
SR		 513 * @direct_io_enabled: Whether direct io to PDs are allowed or not
514 * @stripe_exponent: X where 2powX is the stripe sz in blocks
515 * @block_exponent: X where 2powX is the block sz in bytes
516 * @max_lba: Maximum number of LBA in the volume
517 * @stripe_sz: Stripe Size of the volume
518 * @device_info: Device info of the volume member disk
519 * @pd_handle: Array of handles of the physical drives for direct I/O in le16
f92363d1
SR		 520 */
521#define MPT_MAX_WARPDRIVE_PDS 8
522struct _raid_device {
523 struct list_head list;
524 struct scsi_target *starget;
525 struct scsi_device *sdev;
526 u64 wwid;
527 u16 handle;
7786ab6a 528 u16 block_sz;
f92363d1
SR		 529 int id;
530 int channel;
531 u8 volume_type;
532 u8 num_pds;
533 u8 responding;
534 u8 percent_complete;
7786ab6a
SR		 535 u8 direct_io_enabled;
536 u8 stripe_exponent;
537 u8 block_exponent;
538 u64 max_lba;
539 u32 stripe_sz;
f92363d1 540 u32 device_info;
7786ab6a 541 u16 pd_handle[MPT_MAX_WARPDRIVE_PDS];
f92363d1
SR		 542};
543
544/**
545 * struct _boot_device - boot device info
546 * @is_raid: flag to indicate whether this is volume
547 * @device: holds pointer for either struct _sas_device or
548 * struct _raid_device
549 */
550struct _boot_device {
551 u8 is_raid;
552 void *device;
553};
554
555/**
556 * struct _sas_port - wide/narrow sas port information
557 * @port_list: list of ports belonging to expander
558 * @num_phys: number of phys belonging to this port
559 * @remote_identify: attached device identification
560 * @rphy: sas transport rphy object
561 * @port: sas transport wide/narrow port object
562 * @phy_list: _sas_phy list objects belonging to this port
563 */
564struct _sas_port {
565 struct list_head port_list;
566 u8 num_phys;
567 struct sas_identify remote_identify;
568 struct sas_rphy *rphy;
569 struct sas_port *port;
570 struct list_head phy_list;
571};
572
573/**
574 * struct _sas_phy - phy information
575 * @port_siblings: list of phys belonging to a port
576 * @identify: phy identification
577 * @remote_identify: attached device identification
578 * @phy: sas transport phy object
579 * @phy_id: unique phy id
580 * @handle: device handle for this phy
581 * @attached_handle: device handle for attached device
582 * @phy_belongs_to_port: port has been created for this phy
583 */
584struct _sas_phy {
585 struct list_head port_siblings;
586 struct sas_identify identify;
587 struct sas_identify remote_identify;
588 struct sas_phy *phy;
589 u8 phy_id;
590 u16 handle;
591 u16 attached_handle;
592 u8 phy_belongs_to_port;
593};
594
595/**
596 * struct _sas_node - sas_host/expander information
597 * @list: list of expanders
598 * @parent_dev: parent device class
599 * @num_phys: number phys belonging to this sas_host/expander
600 * @sas_address: sas address of this sas_host/expander
601 * @handle: handle for this sas_host/expander
602 * @sas_address_parent: sas address of parent expander or sas host
603 * @enclosure_handle: handle for this a member of an enclosure
604 * @device_info: bitwise defining capabilities of this sas_host/expander
605 * @responding: used in _scsih_expander_device_mark_responding
606 * @phy: a list of phys that make up this sas_host/expander
607 * @sas_port_list: list of ports attached to this sas_host/expander
608 */
609struct _sas_node {
610 struct list_head list;
611 struct device *parent_dev;
612 u8 num_phys;
613 u64 sas_address;
614 u16 handle;
615 u64 sas_address_parent;
616 u16 enclosure_handle;
617 u64 enclosure_logical_id;
618 u8 responding;
619 struct _sas_phy *phy;
620 struct list_head sas_port_list;
621};
622
623/**
624 * enum reset_type - reset state
625 * @FORCE_BIG_HAMMER: issue diagnostic reset
626 * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
627 */
628enum reset_type {
629 FORCE_BIG_HAMMER,
630 SOFT_RESET,
631};
632
633/**
634 * struct chain_tracker - firmware chain tracker
635 * @chain_buffer: chain buffer
636 * @chain_buffer_dma: physical address
637 * @tracker_list: list of free request (ioc->free_chain_list)
638 */
639struct chain_tracker {
640 void *chain_buffer;
641 dma_addr_t chain_buffer_dma;
642 struct list_head tracker_list;
643};
644
645/**
646 * struct scsiio_tracker - scsi mf request tracker
647 * @smid: system message id
648 * @scmd: scsi request pointer
649 * @cb_idx: callback index
7786ab6a 650 * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
f92363d1 651 * @tracker_list: list of free request (ioc->free_list)
03d1fb3a 652 * @msix_io: IO's msix
f92363d1
SR		 653 */
654struct scsiio_tracker {
655 u16 smid;
656 struct scsi_cmnd *scmd;
657 u8 cb_idx;
7786ab6a 658 u8 direct_io;
f92363d1
SR		 659 struct list_head chain_list;
660 struct list_head tracker_list;
03d1fb3a 661 u16 msix_io;
f92363d1
SR		 662};
663
664/**
665 * struct request_tracker - firmware request tracker
666 * @smid: system message id
667 * @cb_idx: callback index
668 * @tracker_list: list of free request (ioc->free_list)
669 */
670struct request_tracker {
671 u16 smid;
672 u8 cb_idx;
673 struct list_head tracker_list;
674};
675
676/**
677 * struct _tr_list - target reset list
678 * @handle: device handle
679 * @state: state machine
680 */
681struct _tr_list {
682 struct list_head list;
683 u16 handle;
684 u16 state;
685};
686
fd0331b3
SS		 687/**
688 * struct _sc_list - delayed SAS_IO_UNIT_CONTROL message list
689 * @handle: device handle
690 */
691struct _sc_list {
692 struct list_head list;
693 u16 handle;
694};
695
696/**
697 * struct _event_ack_list - delayed event acknowledgment list
698 * @Event: Event ID
699 * @EventContext: used to track the event uniquely
700 */
701struct _event_ack_list {
702 struct list_head list;
703 u16 Event;
704 u32 EventContext;
705};
f92363d1
SR		 706
707/**
708 * struct adapter_reply_queue - the reply queue struct
709 * @ioc: per adapter object
710 * @msix_index: msix index into vector table
711 * @vector: irq vector
712 * @reply_post_host_index: head index in the pool where FW completes IO
713 * @reply_post_free: reply post base virt address
714 * @name: the name registered to request_irq()
715 * @busy: isr is actively processing replies on another cpu
716 * @list: this list
717*/
718struct adapter_reply_queue {
719 struct MPT3SAS_ADAPTER *ioc;
720 u8 msix_index;
721 unsigned int vector;
722 u32 reply_post_host_index;
723 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
724 char name[MPT_NAME_LENGTH];
725 atomic_t busy;
14b3114d 726 cpumask_var_t affinity_hint;
f92363d1
SR		 727 struct list_head list;
728};
729
730typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
731
732/* SAS3.0 support */
733typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
734 struct scsi_cmnd *scmd, u16 smid);
735typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
736 dma_addr_t data_out_dma, size_t data_out_sz,
737 dma_addr_t data_in_dma, size_t data_in_sz);
738typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
739 void *paddr);
740
741
742
743/* IOC Facts and Port Facts converted from little endian to cpu */
744union mpi3_version_union {
745 MPI2_VERSION_STRUCT Struct;
746 u32 Word;
747};
748
749struct mpt3sas_facts {
750 u16 MsgVersion;
751 u16 HeaderVersion;
752 u8 IOCNumber;
753 u8 VP_ID;
754 u8 VF_ID;
755 u16 IOCExceptions;
756 u16 IOCStatus;
757 u32 IOCLogInfo;
758 u8 MaxChainDepth;
759 u8 WhoInit;
760 u8 NumberOfPorts;
761 u8 MaxMSIxVectors;
762 u16 RequestCredit;
763 u16 ProductID;
764 u32 IOCCapabilities;
765 union mpi3_version_union FWVersion;
766 u16 IOCRequestFrameSize;
ebb3024e 767 u16 IOCMaxChainSegmentSize;
f92363d1
SR		 768 u16 MaxInitiators;
769 u16 MaxTargets;
770 u16 MaxSasExpanders;
771 u16 MaxEnclosures;
772 u16 ProtocolFlags;
773 u16 HighPriorityCredit;
774 u16 MaxReplyDescriptorPostQueueDepth;
775 u8 ReplyFrameSize;
776 u8 MaxVolumes;
777 u16 MaxDevHandle;
778 u16 MaxPersistentEntries;
779 u16 MinDevHandle;
780};
781
782struct mpt3sas_port_facts {
783 u8 PortNumber;
784 u8 VP_ID;
785 u8 VF_ID;
786 u8 PortType;
787 u16 MaxPostedCmdBuffers;
788};
789
9b05c91a
SR		 790struct reply_post_struct {
791 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
792 dma_addr_t reply_post_free_dma;
793};
794
f92363d1
SR		 795/**
796 * enum mutex_type - task management mutex type
797 * @TM_MUTEX_OFF: mutex is not required becuase calling function is acquiring it
798 * @TM_MUTEX_ON: mutex is required
799 */
800enum mutex_type {
801 TM_MUTEX_OFF = 0,
802 TM_MUTEX_ON = 1,
803};
804
805typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
806/**
807 * struct MPT3SAS_ADAPTER - per adapter struct
808 * @list: ioc_list
809 * @shost: shost object
810 * @id: unique adapter id
811 * @cpu_count: number online cpus
812 * @name: generic ioc string
813 * @tmp_string: tmp string used for logging
814 * @pdev: pci pdev object
815 * @pio_chip: physical io register space
816 * @chip: memory mapped register space
817 * @chip_phys: physical addrss prior to mapping
818 * @logging_level: see mpt3sas_debug.h
819 * @fwfault_debug: debuging FW timeouts
820 * @ir_firmware: IR firmware present
821 * @bars: bitmask of BAR's that must be configured
822 * @mask_interrupts: ignore interrupt
9b05c91a 823 * @dma_mask: used to set the consistent dma mask
f92363d1
SR		 824 * @fault_reset_work_q_name: fw fault work queue
825 * @fault_reset_work_q: ""
826 * @fault_reset_work: ""
827 * @firmware_event_name: fw event work queue
828 * @firmware_event_thread: ""
829 * @fw_event_lock:
830 * @fw_event_list: list of fw events
831 * @aen_event_read_flag: event log was read
832 * @broadcast_aen_busy: broadcast aen waiting to be serviced
833 * @shost_recovery: host reset in progress
834 * @ioc_reset_in_progress_lock:
835 * @ioc_link_reset_in_progress: phy/hard reset in progress
836 * @ignore_loginfos: ignore loginfos during task management
837 * @remove_host: flag for when driver unloads, to avoid sending dev resets
838 * @pci_error_recovery: flag to prevent ioc access until slot reset completes
839 * @wait_for_discovery_to_complete: flag set at driver load time when
840 * waiting on reporting devices
841 * @is_driver_loading: flag set at driver load time
842 * @port_enable_failed: flag set when port enable has failed
843 * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
844 * @start_scan_failed: means port enable failed, return's the ioc_status
845 * @msix_enable: flag indicating msix is enabled
846 * @msix_vector_count: number msix vectors
847 * @cpu_msix_table: table for mapping cpus to msix index
848 * @cpu_msix_table_sz: table size
849 * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
850 * @scsi_io_cb_idx: shost generated commands
851 * @tm_cb_idx: task management commands
852 * @scsih_cb_idx: scsih internal commands
853 * @transport_cb_idx: transport internal commands
854 * @ctl_cb_idx: clt internal commands
855 * @base_cb_idx: base internal commands
856 * @config_cb_idx: base internal commands
857 * @tm_tr_cb_idx : device removal target reset handshake
858 * @tm_tr_volume_cb_idx : volume removal target reset
859 * @base_cmds:
860 * @transport_cmds:
861 * @scsih_cmds:
862 * @tm_cmds:
863 * @ctl_cmds:
864 * @config_cmds:
865 * @base_add_sg_single: handler for either 32/64 bit sgl's
866 * @event_type: bits indicating which events to log
867 * @event_context: unique id for each logged event
868 * @event_log: event log pointer
869 * @event_masks: events that are masked
870 * @facts: static facts data
871 * @pfacts: static port facts data
872 * @manu_pg0: static manufacturing page 0
873 * @manu_pg10: static manufacturing page 10
874 * @manu_pg11: static manufacturing page 11
875 * @bios_pg2: static bios page 2
876 * @bios_pg3: static bios page 3
877 * @ioc_pg8: static ioc page 8
878 * @iounit_pg0: static iounit page 0
879 * @iounit_pg1: static iounit page 1
2d8ce8c9 880 * @iounit_pg8: static iounit page 8
f92363d1
SR		 881 * @sas_hba: sas host object
882 * @sas_expander_list: expander object list
883 * @sas_node_lock:
884 * @sas_device_list: sas device object list
885 * @sas_device_init_list: sas device object list (used only at init time)
886 * @sas_device_lock:
887 * @io_missing_delay: time for IO completed by fw when PDR enabled
888 * @device_missing_delay: time for device missing by fw when PDR enabled
889 * @sas_id : used for setting volume target IDs
890 * @blocking_handles: bitmask used to identify which devices need blocking
891 * @pd_handles : bitmask for PD handles
892 * @pd_handles_sz : size of pd_handle bitmask
893 * @config_page_sz: config page size
894 * @config_page: reserve memory for config page payload
895 * @config_page_dma:
896 * @hba_queue_depth: hba request queue depth
897 * @sge_size: sg element size for either 32/64 bit
898 * @scsiio_depth: SCSI_IO queue depth
899 * @request_sz: per request frame size
900 * @request: pool of request frames
901 * @request_dma:
902 * @request_dma_sz:
903 * @scsi_lookup: firmware request tracker list
904 * @scsi_lookup_lock:
905 * @free_list: free list of request
906 * @pending_io_count:
907 * @reset_wq:
908 * @chain: pool of chains
909 * @chain_dma:
910 * @max_sges_in_main_message: number sg elements in main message
911 * @max_sges_in_chain_message: number sg elements per chain
912 * @chains_needed_per_io: max chains per io
913 * @chain_depth: total chains allocated
ebb3024e
SS		 914 * @chain_segment_sz: gives the max number of
915 * SGEs accommodate on single chain buffer
f92363d1
SR		 916 * @hi_priority_smid:
917 * @hi_priority:
918 * @hi_priority_dma:
919 * @hi_priority_depth:
920 * @hpr_lookup:
921 * @hpr_free_list:
922 * @internal_smid:
923 * @internal:
924 * @internal_dma:
925 * @internal_depth:
926 * @internal_lookup:
927 * @internal_free_list:
928 * @sense: pool of sense
929 * @sense_dma:
930 * @sense_dma_pool:
931 * @reply_depth: hba reply queue depth:
932 * @reply_sz: per reply frame size:
933 * @reply: pool of replys:
934 * @reply_dma:
935 * @reply_dma_pool:
936 * @reply_free_queue_depth: reply free depth
937 * @reply_free: pool for reply free queue (32 bit addr)
938 * @reply_free_dma:
939 * @reply_free_dma_pool:
940 * @reply_free_host_index: tail index in pool to insert free replys
941 * @reply_post_queue_depth: reply post queue depth
9b05c91a
SR		 942 * @reply_post_struct: struct for reply_post_free physical & virt address
943 * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
944 * @rdpq_array_enable: rdpq_array support is enabled in the driver
945 * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
946 * is assigned only ones
f92363d1
SR		 947 * @reply_queue_count: number of reply queue's
948 * @reply_queue_list: link list contaning the reply queue info
fb77bb53
SR		 949 * @msix96_vector: 96 MSI-X vector support
950 * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue
f92363d1
SR		 951 * @delayed_tr_list: target reset link list
952 * @delayed_tr_volume_list: volume target reset link list
fd0331b3
SS		 953 * @delayed_sc_list:
954 * @delayed_event_ack_list:
08c4d550
SR		 955 * @temp_sensors_count: flag to carry the number of temperature sensors
956 * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
957 * pci resource handling. PCI resource freeing will lead to free
958 * vital hardware/memory resource, which might be in use by cli/sysfs
959 * path functions resulting in Null pointer reference followed by kernel
960 * crash. To avoid the above race condition we use mutex syncrhonization
961 * which ensures the syncrhonization between cli/sysfs_show path.
f92363d1
SR		 962 */
963struct MPT3SAS_ADAPTER {
964 struct list_head list;
965 struct Scsi_Host *shost;
966 u8 id;
967 int cpu_count;
968 char name[MPT_NAME_LENGTH];
c84b06a4 969 char driver_name[MPT_NAME_LENGTH];
f92363d1
SR		 970 char tmp_string[MPT_STRING_LENGTH];
971 struct pci_dev *pdev;
972 Mpi2SystemInterfaceRegs_t __iomem *chip;
973 resource_size_t chip_phys;
974 int logging_level;
975 int fwfault_debug;
976 u8 ir_firmware;
977 int bars;
978 u8 mask_interrupts;
9b05c91a 979 int dma_mask;
f92363d1
SR		 980
981 /* fw fault handler */
982 char fault_reset_work_q_name[20];
983 struct workqueue_struct *fault_reset_work_q;
984 struct delayed_work fault_reset_work;
985
986 /* fw event handler */
987 char firmware_event_name[20];
988 struct workqueue_struct *firmware_event_thread;
989 spinlock_t fw_event_lock;
990 struct list_head fw_event_list;
991
992 /* misc flags */
993 int aen_event_read_flag;
994 u8 broadcast_aen_busy;
995 u16 broadcast_aen_pending;
996 u8 shost_recovery;
997
998 struct mutex reset_in_progress_mutex;
999 spinlock_t ioc_reset_in_progress_lock;
1000 u8 ioc_link_reset_in_progress;
1001 u8 ioc_reset_in_progress_status;
1002
1003 u8 ignore_loginfos;
1004 u8 remove_host;
1005 u8 pci_error_recovery;
1006 u8 wait_for_discovery_to_complete;
1007 u8 is_driver_loading;
1008 u8 port_enable_failed;
1009 u8 start_scan;
1010 u16 start_scan_failed;
1011
1012 u8 msix_enable;
1013 u16 msix_vector_count;
1014 u8 *cpu_msix_table;
1015 u16 cpu_msix_table_sz;
7786ab6a 1016 resource_size_t __iomem **reply_post_host_index;
f92363d1
SR		 1017 u32 ioc_reset_count;
1018 MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
16e179bd 1019 u32 non_operational_loop;
f92363d1
SR		 1020
1021 /* internal commands, callback index */
1022 u8 scsi_io_cb_idx;
1023 u8 tm_cb_idx;
1024 u8 transport_cb_idx;
1025 u8 scsih_cb_idx;
1026 u8 ctl_cb_idx;
1027 u8 base_cb_idx;
1028 u8 port_enable_cb_idx;
1029 u8 config_cb_idx;
1030 u8 tm_tr_cb_idx;
1031 u8 tm_tr_volume_cb_idx;
1032 u8 tm_sas_control_cb_idx;
1033 struct _internal_cmd base_cmds;
1034 struct _internal_cmd port_enable_cmds;
1035 struct _internal_cmd transport_cmds;
1036 struct _internal_cmd scsih_cmds;
1037 struct _internal_cmd tm_cmds;
1038 struct _internal_cmd ctl_cmds;
1039 struct _internal_cmd config_cmds;
1040
1041 MPT_ADD_SGE base_add_sg_single;
1042
1043 /* function ptr for either IEEE or MPI sg elements */
1044 MPT_BUILD_SG_SCMD build_sg_scmd;
1045 MPT_BUILD_SG build_sg;
1046 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
f92363d1 1047 u16 sge_size_ieee;
d357e84d 1048 u16 hba_mpi_version_belonged;
f92363d1
SR		 1049
1050 /* function ptr for MPI sg elements only */
1051 MPT_BUILD_SG build_sg_mpi;
1052 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
1053
1054 /* event log */
1055 u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1056 u32 event_context;
1057 void *event_log;
1058 u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1059
1060 /* static config pages */
1061 struct mpt3sas_facts facts;
1062 struct mpt3sas_port_facts *pfacts;
1063 Mpi2ManufacturingPage0_t manu_pg0;
1064 struct Mpi2ManufacturingPage10_t manu_pg10;
1065 struct Mpi2ManufacturingPage11_t manu_pg11;
1066 Mpi2BiosPage2_t bios_pg2;
1067 Mpi2BiosPage3_t bios_pg3;
1068 Mpi2IOCPage8_t ioc_pg8;
1069 Mpi2IOUnitPage0_t iounit_pg0;
1070 Mpi2IOUnitPage1_t iounit_pg1;
2d8ce8c9 1071 Mpi2IOUnitPage8_t iounit_pg8;
f92363d1
SR		 1072
1073 struct _boot_device req_boot_device;
1074 struct _boot_device req_alt_boot_device;
1075 struct _boot_device current_boot_device;
1076
1077 /* sas hba, expander, and device list */
1078 struct _sas_node sas_hba;
1079 struct list_head sas_expander_list;
1080 spinlock_t sas_node_lock;
1081 struct list_head sas_device_list;
1082 struct list_head sas_device_init_list;
1083 spinlock_t sas_device_lock;
1084 struct list_head raid_device_list;
1085 spinlock_t raid_device_lock;
1086 u8 io_missing_delay;
1087 u16 device_missing_delay;
1088 int sas_id;
1089
1090 void *blocking_handles;
1091 void *pd_handles;
1092 u16 pd_handles_sz;
1093
1094 /* config page */
1095 u16 config_page_sz;
1096 void *config_page;
1097 dma_addr_t config_page_dma;
1098
1099 /* scsiio request */
1100 u16 hba_queue_depth;
1101 u16 sge_size;
1102 u16 scsiio_depth;
1103 u16 request_sz;
1104 u8 *request;
1105 dma_addr_t request_dma;
1106 u32 request_dma_sz;
1107 struct scsiio_tracker *scsi_lookup;
1108 ulong scsi_lookup_pages;
1109 spinlock_t scsi_lookup_lock;
1110 struct list_head free_list;
1111 int pending_io_count;
1112 wait_queue_head_t reset_wq;
1113
1114 /* chain */
1115 struct chain_tracker *chain_lookup;
1116 struct list_head free_chain_list;
1117 struct dma_pool *chain_dma_pool;
1118 ulong chain_pages;
1119 u16 max_sges_in_main_message;
1120 u16 max_sges_in_chain_message;
1121 u16 chains_needed_per_io;
1122 u32 chain_depth;
ebb3024e 1123 u16 chain_segment_sz;
f92363d1
SR		 1124
1125 /* hi-priority queue */
1126 u16 hi_priority_smid;
1127 u8 *hi_priority;
1128 dma_addr_t hi_priority_dma;
1129 u16 hi_priority_depth;
1130 struct request_tracker *hpr_lookup;
1131 struct list_head hpr_free_list;
1132
1133 /* internal queue */
1134 u16 internal_smid;
1135 u8 *internal;
1136 dma_addr_t internal_dma;
1137 u16 internal_depth;
1138 struct request_tracker *internal_lookup;
1139 struct list_head internal_free_list;
1140
1141 /* sense */
1142 u8 *sense;
1143 dma_addr_t sense_dma;
1144 struct dma_pool *sense_dma_pool;
1145
1146 /* reply */
1147 u16 reply_sz;
1148 u8 *reply;
1149 dma_addr_t reply_dma;
1150 u32 reply_dma_max_address;
1151 u32 reply_dma_min_address;
1152 struct dma_pool *reply_dma_pool;
1153
1154 /* reply free queue */
1155 u16 reply_free_queue_depth;
1156 __le32 *reply_free;
1157 dma_addr_t reply_free_dma;
1158 struct dma_pool *reply_free_dma_pool;
1159 u32 reply_free_host_index;
1160
1161 /* reply post queue */
1162 u16 reply_post_queue_depth;
9b05c91a
SR		 1163 struct reply_post_struct *reply_post;
1164 u8 rdpq_array_capable;
1165 u8 rdpq_array_enable;
1166 u8 rdpq_array_enable_assigned;
f92363d1
SR		 1167 struct dma_pool *reply_post_free_dma_pool;
1168 u8 reply_queue_count;
1169 struct list_head reply_queue_list;
1170
fb77bb53
SR		 1171 u8 msix96_vector;
1172 /* reply post register index */
1173 resource_size_t **replyPostRegisterIndex;
1174
f92363d1
SR		 1175 struct list_head delayed_tr_list;
1176 struct list_head delayed_tr_volume_list;
fd0331b3
SS		 1177 struct list_head delayed_sc_list;
1178 struct list_head delayed_event_ack_list;
2d8ce8c9 1179 u8 temp_sensors_count;
08c4d550 1180 struct mutex pci_access_mutex;
f92363d1
SR		 1181
1182 /* diag buffer support */
1183 u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1184 u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1185 dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1186 u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1187 u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1188 u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1189 u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1190 u32 ring_buffer_offset;
1191 u32 ring_buffer_sz;
7786ab6a
SR		 1192 u8 is_warpdrive;
1193 u8 hide_ir_msg;
1194 u8 mfg_pg10_hide_flag;
1195 u8 hide_drives;
f92363d1
SR		 1196 spinlock_t diag_trigger_lock;
1197 u8 diag_trigger_active;
1198 struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
1199 struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
1200 struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
1201 struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
1202};
1203
1204typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1205 u32 reply);
1206
1207
1208/* base shared API */
1209extern struct list_head mpt3sas_ioc_list;
d357e84d 1210extern char driver_name[MPT_NAME_LENGTH];
08c4d550
SR		 1211/* spinlock on list operations over IOCs
1212 * Case: when multiple warpdrive cards(IOCs) are in use
1213 * Each IOC will added to the ioc list structure on initialization.
1214 * Watchdog threads run at regular intervals to check IOC for any
1215 * fault conditions which will trigger the dead_ioc thread to
1216 * deallocate pci resource, resulting deleting the IOC netry from list,
1217 * this deletion need to protected by spinlock to enusre that
1218 * ioc removal is syncrhonized, if not synchronized it might lead to
1219 * list_del corruption as the ioc list is traversed in cli path.
1220 */
1221extern spinlock_t gioc_lock;
d357e84d 1222
f92363d1
SR		 1223void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
1224void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
1225
1226int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
1227void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
1228int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
1229void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
1230int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc, int sleep_flag,
1231 enum reset_type type);
1232
1233void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1234void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1235__le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
1236 u16 smid);
1237void mpt3sas_base_flush_reply_queues(struct MPT3SAS_ADAPTER *ioc);
1238
1239/* hi-priority queue */
1240u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1241u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
1242 struct scsi_cmnd *scmd);
1243
1244u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1245void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1246void mpt3sas_base_put_smid_scsi_io(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1247 u16 handle);
1248void mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1249 u16 handle);
03d1fb3a
SS		 1250void mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc,
1251 u16 smid, u16 msix_task);
f92363d1
SR		 1252void mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1253void mpt3sas_base_initialize_callback_handler(void);
1254u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1255void mpt3sas_base_release_callback_handler(u8 cb_idx);
1256
1257u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1258 u32 reply);
1259u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1260 u8 msix_index, u32 reply);
1261void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
1262 u32 phys_addr);
1263
1264u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
1265
1266void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
1267int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
1268 Mpi2SasIoUnitControlReply_t *mpi_reply,
1269 Mpi2SasIoUnitControlRequest_t *mpi_request);
1270int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
1271 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1272
1273void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
1274 u32 *event_type);
1275
1276void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
1277
1278void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
1279 u16 device_missing_delay, u8 io_missing_delay);
1280
1281int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
1282
1283
1284/* scsih shared API */
1285u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
1286 u32 reply);
1287void mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1288
1289int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1290 uint channel, uint id, uint lun, u8 type, u16 smid_task,
c62e46de 1291 ulong timeout, enum mutex_type m_type);
f92363d1
SR		 1292void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1293void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1294void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1295void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1296 u64 sas_address);
fd0331b3
SS		 1297u8 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc,
1298 u16 smid);
f92363d1
SR		 1299
1300struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1301 struct MPT3SAS_ADAPTER *ioc, u16 handle);
1302struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1303 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
d1cb5e49
SR		 1304struct _sas_device *mpt3sas_get_sdev_by_addr(
1305 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1306struct _sas_device *__mpt3sas_get_sdev_by_addr(
1307 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
f92363d1
SR		 1308
1309void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
c84b06a4
SR		 1310struct _raid_device *
1311mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle);
8a7e4c24 1312
f92363d1
SR		 1313/* config shared API */
1314u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1315 u32 reply);
1316int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1317 u8 *num_phys);
1318int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1319 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1320int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1321 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1322 u16 sz);
1323int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1324 Mpi2ConfigReply_t *mpi_reply,
1325 struct Mpi2ManufacturingPage10_t *config_page);
1326
1327int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1328 Mpi2ConfigReply_t *mpi_reply,
1329 struct Mpi2ManufacturingPage11_t *config_page);
1330int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1331 Mpi2ConfigReply_t *mpi_reply,
1332 struct Mpi2ManufacturingPage11_t *config_page);
1333
1334int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1335 *mpi_reply, Mpi2BiosPage2_t *config_page);
1336int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1337 *mpi_reply, Mpi2BiosPage3_t *config_page);
1338int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1339 *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1340int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1341 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1342 u32 form, u32 handle);
1343int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1344 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1345 u32 form, u32 handle);
1346int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1347 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1348 u16 sz);
1349int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1350 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
42263095
SR		 1351int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc,
1352 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
f92363d1
SR		 1353int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1354 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
2d8ce8c9
SR		 1355int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1356 *mpi_reply, Mpi2IOUnitPage8_t *config_page);
f92363d1
SR		 1357int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1358 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1359 u16 sz);
1360int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1361 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1362 u16 sz);
1363int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1364 *mpi_reply, Mpi2IOCPage8_t *config_page);
1365int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1366 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1367 u32 form, u32 handle);
1368int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1369 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1370 u32 phy_number, u16 handle);
1371int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1372 Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1373 u32 form, u32 handle);
1374int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1375 *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1376int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1377 *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1378int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1379 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1380 u32 handle);
1381int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1382 u8 *num_pds);
1383int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1384 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1385 u32 handle, u16 sz);
1386int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1387 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1388 u32 form, u32 form_specific);
1389int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1390 u16 *volume_handle);
1391int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1392 u16 volume_handle, u64 *wwid);
1393
1394/* ctl shared API */
1395extern struct device_attribute *mpt3sas_host_attrs[];
1396extern struct device_attribute *mpt3sas_dev_attrs[];
c84b06a4
SR		 1397void mpt3sas_ctl_init(ushort hbas_to_enumerate);
1398void mpt3sas_ctl_exit(ushort hbas_to_enumerate);
f92363d1
SR		 1399u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1400 u32 reply);
1401void mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1402u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1403 u8 msix_index, u32 reply);
1404void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1405 Mpi2EventNotificationReply_t *mpi_reply);
1406
1407void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1408 u8 bits_to_regsiter);
1409int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1410 u8 *issue_reset);
1411
1412/* transport shared API */
7497392a 1413extern struct scsi_transport_template *mpt3sas_transport_template;
f92363d1
SR		 1414u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1415 u32 reply);
1416struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
1417 u16 handle, u64 sas_address);
1418void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1419 u64 sas_address_parent);
1420int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
1421 *mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1422int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
1423 struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
1424 struct device *parent_dev);
1425void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
1426 u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1427extern struct sas_function_template mpt3sas_transport_functions;
1428extern struct scsi_transport_template *mpt3sas_transport_template;
1429extern int scsi_internal_device_block(struct scsi_device *sdev);
1430extern int scsi_internal_device_unblock(struct scsi_device *sdev,
1431 enum scsi_device_state new_state);
1432/* trigger data externs */
1433void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
1434 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1435void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
1436 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1437void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
1438 u32 tigger_bitmask);
1439void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
1440 u16 log_entry_qualifier);
1441void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
1442 u8 asc, u8 ascq);
1443void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
1444 u32 loginfo);
c84b06a4
SR		 1445
1446/* warpdrive APIs */
1447u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc);
1448void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc,
1449 struct _raid_device *raid_device);
0a5149ba 1450u8
c84b06a4 1451mpt3sas_scsi_direct_io_get(struct MPT3SAS_ADAPTER *ioc, u16 smid);
0a5149ba 1452void
c84b06a4
SR		 1453mpt3sas_scsi_direct_io_set(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 direct_io);
1454void
1455mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
1456 struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request,
1457 u16 smid);
1458
f92363d1 1459#endif /* MPT3SAS_BASE_H_INCLUDED */
Linux 6.x block layer and io_uring tree(s)