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[SCSI] mpt2sas: Fix for little endian
[linux-block.git] / drivers / scsi / mpt2sas / mpt2sas_base.h
CommitLineData
635374e7
EM		 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/mpt2sas/mpt2_base.h
19d3ebe3 6 * Copyright (C) 2007-2009 LSI Corporation
635374e7
EM		 7 * (mailto:DL-MPTFusionLinux@lsi.com)
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * NO WARRANTY
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
29
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
38
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
42 * USA.
43 */
44
45#ifndef MPT2SAS_BASE_H_INCLUDED
46#define MPT2SAS_BASE_H_INCLUDED
47
48#include "mpi/mpi2_type.h"
49#include "mpi/mpi2.h"
50#include "mpi/mpi2_ioc.h"
51#include "mpi/mpi2_cnfg.h"
52#include "mpi/mpi2_init.h"
53#include "mpi/mpi2_raid.h"
54#include "mpi/mpi2_tool.h"
55#include "mpi/mpi2_sas.h"
56
57#include <scsi/scsi.h>
58#include <scsi/scsi_cmnd.h>
59#include <scsi/scsi_device.h>
60#include <scsi/scsi_host.h>
61#include <scsi/scsi_tcq.h>
62#include <scsi/scsi_transport_sas.h>
63#include <scsi/scsi_dbg.h>
3c621b3e 64#include <scsi/scsi_eh.h>
635374e7
EM		 65
66#include "mpt2sas_debug.h"
67
68/* driver versioning info */
69#define MPT2SAS_DRIVER_NAME "mpt2sas"
70#define MPT2SAS_AUTHOR "LSI Corporation <DL-MPTFusionLinux@lsi.com>"
71#define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver"
40956059 72#define MPT2SAS_DRIVER_VERSION "04.100.01.02"
e4b8972c 73#define MPT2SAS_MAJOR_VERSION 04
635374e7 74#define MPT2SAS_MINOR_VERSION 100
e4b8972c 75#define MPT2SAS_BUILD_VERSION 01
40956059 76#define MPT2SAS_RELEASE_VERSION 02
635374e7
EM		 77
78/*
79 * Set MPT2SAS_SG_DEPTH value based on user input.
80 */
81#ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
82#if CONFIG_SCSI_MPT2SAS_MAX_SGE < 16
83#define MPT2SAS_SG_DEPTH 16
84#elif CONFIG_SCSI_MPT2SAS_MAX_SGE > 128
85#define MPT2SAS_SG_DEPTH 128
86#else
87#define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE
88#endif
89#else
90#define MPT2SAS_SG_DEPTH 128 /* MAX_HW_SEGMENTS */
91#endif
92
93
94/*
95 * Generic Defines
96 */
97#define MPT2SAS_SATA_QUEUE_DEPTH 32
98#define MPT2SAS_SAS_QUEUE_DEPTH 254
99#define MPT2SAS_RAID_QUEUE_DEPTH 128
100
101#define MPT_NAME_LENGTH 32 /* generic length of strings */
102#define MPT_STRING_LENGTH 64
103
104#define MPT_MAX_CALLBACKS 16
105
106#define CAN_SLEEP 1
107#define NO_SLEEP 0
108
109#define INTERNAL_CMDS_COUNT 10 /* reserved cmds */
110
111#define MPI2_HIM_MASK 0xFFFFFFFF /* mask every bit*/
112
113#define MPT2SAS_INVALID_DEVICE_HANDLE 0xFFFF
114
115
116/*
117 * reset phases
118 */
119#define MPT2_IOC_PRE_RESET 1 /* prior to host reset */
120#define MPT2_IOC_AFTER_RESET 2 /* just after host reset */
121#define MPT2_IOC_DONE_RESET 3 /* links re-initialized */
122
123/*
124 * logging format
125 */
126#define MPT2SAS_FMT "%s: "
127#define MPT2SAS_DEBUG_FMT KERN_DEBUG MPT2SAS_FMT
128#define MPT2SAS_INFO_FMT KERN_INFO MPT2SAS_FMT
129#define MPT2SAS_NOTE_FMT KERN_NOTICE MPT2SAS_FMT
130#define MPT2SAS_WARN_FMT KERN_WARNING MPT2SAS_FMT
131#define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT
132
f0f9cc1f
EM		 133/*
134 * Dell HBA branding
135 */
136#define MPT2SAS_DELL_BRANDING_SIZE 32
137
138#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA"
139#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter"
140#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
141#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular"
142#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded"
143#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200"
144#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS"
145
146/*
147 * Dell HBA SSDIDs
148 */
149#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C
150#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D
151#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
152#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F
153#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20
154#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21
155#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22
156
635374e7
EM		 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
164/**
165 * struct MPT2SAS_TARGET - starget private hostdata
166 * @starget: starget object
167 * @sas_address: target sas address
168 * @handle: device handle
169 * @num_luns: number luns
170 * @flags: MPT_TARGET_FLAGS_XXX flags
171 * @deleted: target flaged for deletion
172 * @tm_busy: target is busy with TM request.
173 */
174struct MPT2SAS_TARGET {
175 struct scsi_target *starget;
176 u64 sas_address;
177 u16 handle;
178 int num_luns;
179 u32 flags;
180 u8 deleted;
181 u8 tm_busy;
182};
183
184/*
185 * per device private data
186 */
187#define MPT_DEVICE_FLAGS_INIT 0x01
188#define MPT_DEVICE_TLR_ON 0x02
189
190/**
191 * struct MPT2SAS_DEVICE - sdev private hostdata
192 * @sas_target: starget private hostdata
193 * @lun: lun number
194 * @flags: MPT_DEVICE_XXX flags
195 * @configured_lun: lun is configured
196 * @block: device is in SDEV_BLOCK state
197 * @tlr_snoop_check: flag used in determining whether to disable TLR
198 */
ed79f128
KD		 199
200/* OEM Identifiers */
201#define MFG10_OEM_ID_INVALID (0x00000000)
202#define MFG10_OEM_ID_DELL (0x00000001)
203#define MFG10_OEM_ID_FSC (0x00000002)
204#define MFG10_OEM_ID_SUN (0x00000003)
205#define MFG10_OEM_ID_IBM (0x00000004)
206
207/* GENERIC Flags 0*/
208#define MFG10_GF0_OCE_DISABLED (0x00000001)
209#define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002)
210#define MFG10_GF0_R10_DISPLAY (0x00000004)
211#define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008)
212#define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010)
213
214/* OEM Specific Flags will come from OEM specific header files */
215typedef struct _MPI2_CONFIG_PAGE_MAN_10 {
216 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
217 U8 OEMIdentifier; /* 04h */
218 U8 Reserved1; /* 05h */
219 U16 Reserved2; /* 08h */
220 U32 Reserved3; /* 0Ch */
221 U32 GenericFlags0; /* 10h */
222 U32 GenericFlags1; /* 14h */
223 U32 Reserved4; /* 18h */
224 U32 OEMSpecificFlags0; /* 1Ch */
225 U32 OEMSpecificFlags1; /* 20h */
226 U32 Reserved5[18]; /* 24h-60h*/
227} MPI2_CONFIG_PAGE_MAN_10,
228 MPI2_POINTER PTR_MPI2_CONFIG_PAGE_MAN_10,
229 Mpi2ManufacturingPage10_t, MPI2_POINTER pMpi2ManufacturingPage10_t;
230
635374e7
EM		 231struct MPT2SAS_DEVICE {
232 struct MPT2SAS_TARGET *sas_target;
233 unsigned int lun;
234 u32 flags;
235 u8 configured_lun;
236 u8 block;
237 u8 tlr_snoop_check;
238};
239
240#define MPT2_CMD_NOT_USED 0x8000 /* free */
241#define MPT2_CMD_COMPLETE 0x0001 /* completed */
242#define MPT2_CMD_PENDING 0x0002 /* pending */
243#define MPT2_CMD_REPLY_VALID 0x0004 /* reply is valid */
244#define MPT2_CMD_RESET 0x0008 /* host reset dropped the command */
245
246/**
247 * struct _internal_cmd - internal commands struct
248 * @mutex: mutex
249 * @done: completion
250 * @reply: reply message pointer
251 * @status: MPT2_CMD_XXX status
252 * @smid: system message id
253 */
254struct _internal_cmd {
255 struct mutex mutex;
256 struct completion done;
257 void *reply;
258 u16 status;
259 u16 smid;
260};
261
595bb0bd 262
635374e7
EM		 263/**
264 * struct _sas_device - attached device information
265 * @list: sas device list
266 * @starget: starget object
267 * @sas_address: device sas address
268 * @device_name: retrieved from the SAS IDENTIFY frame.
269 * @handle: device handle
c5e039be 270 * @sas_address_parent: sas address of parent expander or sas host
635374e7
EM		 271 * @enclosure_handle: enclosure handle
272 * @enclosure_logical_id: enclosure logical identifier
273 * @volume_handle: volume handle (valid when hidden raid member)
274 * @volume_wwid: volume unique identifier
275 * @device_info: bitfield provides detailed info about the device
276 * @id: target id
277 * @channel: target channel
278 * @slot: number number
279 * @hidden_raid_component: set to 1 when this is a raid member
280 * @responding: used in _scsih_sas_device_mark_responding
281 */
282struct _sas_device {
283 struct list_head list;
284 struct scsi_target *starget;
285 u64 sas_address;
286 u64 device_name;
287 u16 handle;
c5e039be 288 u64 sas_address_parent;
635374e7
EM		 289 u16 enclosure_handle;
290 u64 enclosure_logical_id;
291 u16 volume_handle;
292 u64 volume_wwid;
293 u32 device_info;
294 int id;
295 int channel;
296 u16 slot;
297 u8 hidden_raid_component;
298 u8 responding;
299};
300
301/**
302 * struct _raid_device - raid volume link list
303 * @list: sas device list
304 * @starget: starget object
305 * @sdev: scsi device struct (volumes are single lun)
306 * @wwid: unique identifier for the volume
307 * @handle: device handle
308 * @id: target id
309 * @channel: target channel
310 * @volume_type: the raid level
311 * @device_info: bitfield provides detailed info about the hidden components
312 * @num_pds: number of hidden raid components
313 * @responding: used in _scsih_raid_device_mark_responding
f7c95ef0 314 * @percent_complete: resync percent complete
635374e7
EM		 315 */
316struct _raid_device {
317 struct list_head list;
318 struct scsi_target *starget;
319 struct scsi_device *sdev;
320 u64 wwid;
321 u16 handle;
322 int id;
323 int channel;
324 u8 volume_type;
325 u32 device_info;
326 u8 num_pds;
327 u8 responding;
f7c95ef0 328 u8 percent_complete;
635374e7
EM		 329};
330
331/**
332 * struct _boot_device - boot device info
333 * @is_raid: flag to indicate whether this is volume
334 * @device: holds pointer for either struct _sas_device or
335 * struct _raid_device
336 */
337struct _boot_device {
338 u8 is_raid;
339 void *device;
340};
341
342/**
343 * struct _sas_port - wide/narrow sas port information
344 * @port_list: list of ports belonging to expander
635374e7
EM		 345 * @num_phys: number of phys belonging to this port
346 * @remote_identify: attached device identification
347 * @rphy: sas transport rphy object
348 * @port: sas transport wide/narrow port object
349 * @phy_list: _sas_phy list objects belonging to this port
350 */
351struct _sas_port {
352 struct list_head port_list;
635374e7
EM		 353 u8 num_phys;
354 struct sas_identify remote_identify;
355 struct sas_rphy *rphy;
356 struct sas_port *port;
357 struct list_head phy_list;
358};
359
360/**
361 * struct _sas_phy - phy information
362 * @port_siblings: list of phys belonging to a port
363 * @identify: phy identification
364 * @remote_identify: attached device identification
365 * @phy: sas transport phy object
366 * @phy_id: unique phy id
367 * @handle: device handle for this phy
368 * @attached_handle: device handle for attached device
369 */
370struct _sas_phy {
371 struct list_head port_siblings;
372 struct sas_identify identify;
373 struct sas_identify remote_identify;
374 struct sas_phy *phy;
375 u8 phy_id;
376 u16 handle;
377 u16 attached_handle;
378};
379
380/**
381 * struct _sas_node - sas_host/expander information
382 * @list: list of expanders
383 * @parent_dev: parent device class
384 * @num_phys: number phys belonging to this sas_host/expander
385 * @sas_address: sas address of this sas_host/expander
386 * @handle: handle for this sas_host/expander
c5e039be 387 * @sas_address_parent: sas address of parent expander or sas host
635374e7
EM		 388 * @enclosure_handle: handle for this a member of an enclosure
389 * @device_info: bitwise defining capabilities of this sas_host/expander
390 * @responding: used in _scsih_expander_device_mark_responding
391 * @phy: a list of phys that make up this sas_host/expander
392 * @sas_port_list: list of ports attached to this sas_host/expander
393 */
394struct _sas_node {
395 struct list_head list;
396 struct device *parent_dev;
397 u8 num_phys;
398 u64 sas_address;
399 u16 handle;
c5e039be 400 u64 sas_address_parent;
635374e7
EM		 401 u16 enclosure_handle;
402 u64 enclosure_logical_id;
403 u8 responding;
404 struct _sas_phy *phy;
405 struct list_head sas_port_list;
406};
407
408/**
409 * enum reset_type - reset state
410 * @FORCE_BIG_HAMMER: issue diagnostic reset
411 * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
412 */
413enum reset_type {
414 FORCE_BIG_HAMMER,
415 SOFT_RESET,
416};
417
418/**
419 * struct request_tracker - firmware request tracker
420 * @smid: system message id
421 * @scmd: scsi request pointer
422 * @cb_idx: callback index
423 * @chain_list: list of chains associated to this IO
424 * @tracker_list: list of free request (ioc->free_list)
425 */
426struct request_tracker {
427 u16 smid;
428 struct scsi_cmnd *scmd;
429 u8 cb_idx;
430 struct list_head tracker_list;
431};
432
77e63ed4
KD		 433/**
434 * struct _tr_list - target reset list
435 * @handle: device handle
436 * @state: state machine
437 */
438struct _tr_list {
439 struct list_head list;
440 u16 handle;
441 u16 state;
442};
443
635374e7
EM		 444typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
445
446/**
447 * struct MPT2SAS_ADAPTER - per adapter struct
448 * @list: ioc_list
449 * @shost: shost object
450 * @id: unique adapter id
451 * @pci_irq: irq number
452 * @name: generic ioc string
453 * @tmp_string: tmp string used for logging
454 * @pdev: pci pdev object
455 * @chip: memory mapped register space
456 * @chip_phys: physical addrss prior to mapping
635374e7 457 * @logging_level: see mpt2sas_debug.h
fa7f3167 458 * @fwfault_debug: debuging FW timeouts
635374e7
EM		 459 * @ir_firmware: IR firmware present
460 * @bars: bitmask of BAR's that must be configured
461 * @mask_interrupts: ignore interrupt
462 * @fault_reset_work_q_name: fw fault work queue
463 * @fault_reset_work_q: ""
464 * @fault_reset_work: ""
465 * @firmware_event_name: fw event work queue
466 * @firmware_event_thread: ""
467 * @fw_events_off: flag to turn off fw event handling
468 * @fw_event_lock:
469 * @fw_event_list: list of fw events
470 * @aen_event_read_flag: event log was read
471 * @broadcast_aen_busy: broadcast aen waiting to be serviced
155dd4c7 472 * @shost_recovery: host reset in progress
635374e7
EM		 473 * @ioc_reset_in_progress_lock:
474 * @ioc_link_reset_in_progress: phy/hard reset in progress
475 * @ignore_loginfos: ignore loginfos during task managment
476 * @remove_host: flag for when driver unloads, to avoid sending dev resets
477 * @wait_for_port_enable_to_complete:
478 * @msix_enable: flag indicating msix is enabled
479 * @msix_vector_count: number msix vectors
480 * @msix_table: virt address to the msix table
481 * @msix_table_backup: backup msix table
482 * @scsi_io_cb_idx: shost generated commands
483 * @tm_cb_idx: task management commands
744090d3 484 * @scsih_cb_idx: scsih internal commands
635374e7
EM		 485 * @transport_cb_idx: transport internal commands
486 * @ctl_cb_idx: clt internal commands
487 * @base_cb_idx: base internal commands
488 * @config_cb_idx: base internal commands
489 * @base_cmds:
490 * @transport_cmds:
744090d3 491 * @scsih_cmds:
635374e7
EM		 492 * @tm_cmds:
493 * @ctl_cmds:
494 * @config_cmds:
495 * @base_add_sg_single: handler for either 32/64 bit sgl's
496 * @event_type: bits indicating which events to log
497 * @event_context: unique id for each logged event
498 * @event_log: event log pointer
499 * @event_masks: events that are masked
500 * @facts: static facts data
501 * @pfacts: static port facts data
502 * @manu_pg0: static manufacturing page 0
ed79f128 503 * @manu_pg10: static manufacturing page 10
635374e7
EM		 504 * @bios_pg2: static bios page 2
505 * @bios_pg3: static bios page 3
506 * @ioc_pg8: static ioc page 8
507 * @iounit_pg0: static iounit page 0
508 * @iounit_pg1: static iounit page 1
509 * @sas_hba: sas host object
510 * @sas_expander_list: expander object list
511 * @sas_node_lock:
512 * @sas_device_list: sas device object list
513 * @sas_device_init_list: sas device object list (used only at init time)
514 * @sas_device_lock:
515 * @io_missing_delay: time for IO completed by fw when PDR enabled
516 * @device_missing_delay: time for device missing by fw when PDR enabled
517 * @config_page_sz: config page size
518 * @config_page: reserve memory for config page payload
519 * @config_page_dma:
595bb0bd 520 * @hba_queue_depth: hba request queue depth
635374e7 521 * @sge_size: sg element size for either 32/64 bit
595bb0bd 522 * @scsiio_depth: SCSI_IO queue depth
635374e7
EM		 523 * @request_sz: per request frame size
524 * @request: pool of request frames
525 * @request_dma:
526 * @request_dma_sz:
527 * @scsi_lookup: firmware request tracker list
528 * @scsi_lookup_lock:
529 * @free_list: free list of request
530 * @chain: pool of chains
531 * @pending_io_count:
532 * @reset_wq:
533 * @chain_dma:
534 * @max_sges_in_main_message: number sg elements in main message
535 * @max_sges_in_chain_message: number sg elements per chain
536 * @chains_needed_per_io: max chains per io
537 * @chain_offset_value_for_main_message: location 1st sg in main
538 * @chain_depth: total chains allocated
595bb0bd
KD		 539 * @hi_priority_smid:
540 * @hi_priority:
541 * @hi_priority_dma:
542 * @hi_priority_depth:
543 * @hpr_lookup:
544 * @hpr_free_list:
545 * @internal_smid:
546 * @internal:
547 * @internal_dma:
548 * @internal_depth:
549 * @internal_lookup:
550 * @internal_free_list:
635374e7
EM		 551 * @sense: pool of sense
552 * @sense_dma:
553 * @sense_dma_pool:
554 * @reply_depth: hba reply queue depth:
555 * @reply_sz: per reply frame size:
556 * @reply: pool of replys:
557 * @reply_dma:
558 * @reply_dma_pool:
559 * @reply_free_queue_depth: reply free depth
560 * @reply_free: pool for reply free queue (32 bit addr)
561 * @reply_free_dma:
562 * @reply_free_dma_pool:
563 * @reply_free_host_index: tail index in pool to insert free replys
564 * @reply_post_queue_depth: reply post queue depth
565 * @reply_post_free: pool for reply post (64bit descriptor)
566 * @reply_post_free_dma:
567 * @reply_post_free_dma_pool:
568 * @reply_post_host_index: head index in the pool where FW completes IO
569 */
570struct MPT2SAS_ADAPTER {
571 struct list_head list;
572 struct Scsi_Host *shost;
573 u8 id;
574 u32 pci_irq;
575 char name[MPT_NAME_LENGTH];
576 char tmp_string[MPT_STRING_LENGTH];
577 struct pci_dev *pdev;
578 Mpi2SystemInterfaceRegs_t __iomem *chip;
6846e75c 579 resource_size_t chip_phys;
635374e7 580 int logging_level;
fa7f3167 581 int fwfault_debug;
635374e7
EM		 582 u8 ir_firmware;
583 int bars;
584 u8 mask_interrupts;
585
586 /* fw fault handler */
587 char fault_reset_work_q_name[20];
588 struct workqueue_struct *fault_reset_work_q;
589 struct delayed_work fault_reset_work;
590
591 /* fw event handler */
592 char firmware_event_name[20];
593 struct workqueue_struct *firmware_event_thread;
635374e7
EM		 594 spinlock_t fw_event_lock;
595 struct list_head fw_event_list;
596
597 /* misc flags */
598 int aen_event_read_flag;
599 u8 broadcast_aen_busy;
635374e7 600 u8 shost_recovery;
f1c35e6a 601 struct completion shost_recovery_done;
635374e7
EM		 602 spinlock_t ioc_reset_in_progress_lock;
603 u8 ioc_link_reset_in_progress;
604 u8 ignore_loginfos;
605 u8 remove_host;
606 u8 wait_for_port_enable_to_complete;
607
608 u8 msix_enable;
609 u16 msix_vector_count;
610 u32 *msix_table;
611 u32 *msix_table_backup;
612
613 /* internal commands, callback index */
614 u8 scsi_io_cb_idx;
615 u8 tm_cb_idx;
616 u8 transport_cb_idx;
744090d3 617 u8 scsih_cb_idx;
635374e7
EM		 618 u8 ctl_cb_idx;
619 u8 base_cb_idx;
620 u8 config_cb_idx;
77e63ed4
KD		 621 u8 tm_tr_cb_idx;
622 u8 tm_sas_control_cb_idx;
635374e7
EM		 623 struct _internal_cmd base_cmds;
624 struct _internal_cmd transport_cmds;
744090d3 625 struct _internal_cmd scsih_cmds;
635374e7
EM		 626 struct _internal_cmd tm_cmds;
627 struct _internal_cmd ctl_cmds;
628 struct _internal_cmd config_cmds;
629
630 MPT_ADD_SGE base_add_sg_single;
631
632 /* event log */
633 u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
634 u32 event_context;
635 void *event_log;
636 u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
637
638 /* static config pages */
639 Mpi2IOCFactsReply_t facts;
640 Mpi2PortFactsReply_t *pfacts;
641 Mpi2ManufacturingPage0_t manu_pg0;
642 Mpi2BiosPage2_t bios_pg2;
643 Mpi2BiosPage3_t bios_pg3;
644 Mpi2IOCPage8_t ioc_pg8;
645 Mpi2IOUnitPage0_t iounit_pg0;
646 Mpi2IOUnitPage1_t iounit_pg1;
647
648 struct _boot_device req_boot_device;
649 struct _boot_device req_alt_boot_device;
650 struct _boot_device current_boot_device;
651
652 /* sas hba, expander, and device list */
653 struct _sas_node sas_hba;
654 struct list_head sas_expander_list;
655 spinlock_t sas_node_lock;
656 struct list_head sas_device_list;
657 struct list_head sas_device_init_list;
658 spinlock_t sas_device_lock;
659 struct list_head raid_device_list;
660 spinlock_t raid_device_lock;
661 u8 io_missing_delay;
662 u16 device_missing_delay;
663 int sas_id;
664
665 /* config page */
666 u16 config_page_sz;
667 void *config_page;
668 dma_addr_t config_page_dma;
669
595bb0bd
KD		 670 /* scsiio request */
671 u16 hba_queue_depth;
635374e7 672 u16 sge_size;
595bb0bd 673 u16 scsiio_depth;
635374e7
EM		 674 u16 request_sz;
675 u8 *request;
676 dma_addr_t request_dma;
677 u32 request_dma_sz;
678 struct request_tracker *scsi_lookup;
89009fbb
KD		 679 ulong scsi_lookup_pages;
680 spinlock_t scsi_lookup_lock;
635374e7
EM		 681 struct list_head free_list;
682 int pending_io_count;
683 wait_queue_head_t reset_wq;
684
685 /* chain */
686 u8 *chain;
687 dma_addr_t chain_dma;
688 u16 max_sges_in_main_message;
689 u16 max_sges_in_chain_message;
690 u16 chains_needed_per_io;
691 u16 chain_offset_value_for_main_message;
89009fbb 692 u32 chain_depth;
635374e7 693
595bb0bd
KD		 694 /* hi-priority queue */
695 u16 hi_priority_smid;
696 u8 *hi_priority;
697 dma_addr_t hi_priority_dma;
698 u16 hi_priority_depth;
699 struct request_tracker *hpr_lookup;
700 struct list_head hpr_free_list;
701
702 /* internal queue */
703 u16 internal_smid;
704 u8 *internal;
705 dma_addr_t internal_dma;
706 u16 internal_depth;
707 struct request_tracker *internal_lookup;
708 struct list_head internal_free_list;
709
635374e7
EM		 710 /* sense */
711 u8 *sense;
712 dma_addr_t sense_dma;
713 struct dma_pool *sense_dma_pool;
714
715 /* reply */
716 u16 reply_sz;
717 u8 *reply;
718 dma_addr_t reply_dma;
719 struct dma_pool *reply_dma_pool;
720
721 /* reply free queue */
722 u16 reply_free_queue_depth;
723 u32 *reply_free;
724 dma_addr_t reply_free_dma;
725 struct dma_pool *reply_free_dma_pool;
726 u32 reply_free_host_index;
727
728 /* reply post queue */
729 u16 reply_post_queue_depth;
730 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
731 dma_addr_t reply_post_free_dma;
732 struct dma_pool *reply_post_free_dma_pool;
733 u32 reply_post_host_index;
734
77e63ed4
KD		 735 struct list_head delayed_tr_list;
736
635374e7
EM		 737 /* diag buffer support */
738 u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
739 u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
740 dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
741 u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
742 u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
ed79f128 743 Mpi2ManufacturingPage10_t manu_pg10;
635374e7
EM		 744 u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
745 u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
746};
747
77e63ed4
KD		 748typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
749 u32 reply);
635374e7
EM		 750
751
752/* base shared API */
ba33fadf 753extern struct list_head mpt2sas_ioc_list;
e4750c98
KD		 754void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
755void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
635374e7
EM		 756
757int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
758void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
759int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
760void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
761int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
762 enum reset_type type);
763
764void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
765void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
766void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
ec9472c7 767__le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc,
77e63ed4 768 u16 smid);
635374e7 769
595bb0bd
KD		 770/* hi-priority queue */
771u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
772u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
773 struct scsi_cmnd *scmd);
774
635374e7
EM		 775u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
776void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
7b936b02 777void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid,
635374e7 778 u16 handle);
7b936b02 779void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid);
635374e7 780void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
7b936b02
KD		 781 u16 io_index);
782void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid);
635374e7
EM		 783void mpt2sas_base_initialize_callback_handler(void);
784u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
785void mpt2sas_base_release_callback_handler(u8 cb_idx);
786
77e63ed4 787u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
7b936b02 788 u32 reply);
635374e7
EM		 789void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
790
791u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
792
793void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
794int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
795 Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
796 *mpi_request);
797int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
798 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
799void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
800
fa7f3167
KD		 801void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
802
635374e7 803/* scsih shared API */
77e63ed4
KD		 804u8 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
805 u32 reply);
635374e7
EM		 806void mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun,
807 u8 type, u16 smid_task, ulong timeout);
808void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
809void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
810struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
811 u16 handle);
812struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
813 *ioc, u64 sas_address);
814struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address(
815 struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
816
635374e7
EM		 817void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
818
819/* config shared API */
77e63ed4 820u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
7b936b02 821 u32 reply);
635374e7
EM		 822int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
823int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
824 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
ed79f128
KD		 825int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
826 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
635374e7
EM		 827int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
828 *mpi_reply, Mpi2BiosPage2_t *config_page);
829int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
830 *mpi_reply, Mpi2BiosPage3_t *config_page);
831int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
832 *mpi_reply, Mpi2IOUnitPage0_t *config_page);
833int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
834 *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
835int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
836 *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
837int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
838 *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
839int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
840 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
841int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
5b768581 842 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
635374e7
EM		 843int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
844 *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
50d5c606
KD		 845int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
846 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
635374e7
EM		 847int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
848 *mpi_reply, Mpi2IOCPage8_t *config_page);
849int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
850 *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
851int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
852 *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
853int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
854 *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
855int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
856 *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
857int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
858 *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
859int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
860 *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
861int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
862int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
863 *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
864int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
865 *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
866 u32 form_specific);
867int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
868 u16 *volume_handle);
869int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
870 u64 *wwid);
635374e7
EM		 871/* ctl shared API */
872extern struct device_attribute *mpt2sas_host_attrs[];
873extern struct device_attribute *mpt2sas_dev_attrs[];
874void mpt2sas_ctl_init(void);
875void mpt2sas_ctl_exit(void);
77e63ed4 876u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
7b936b02 877 u32 reply);
635374e7 878void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
77e63ed4 879u8 mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
7b936b02 880 u32 reply);
635374e7
EM		 881void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
882 Mpi2EventNotificationReply_t *mpi_reply);
883
32e0eb56
KD		 884void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc,
885 u8 bits_to_regsiter);
886
635374e7 887/* transport shared API */
77e63ed4
KD		 888u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
889 u32 reply);
635374e7 890struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
c5e039be 891 u16 handle, u64 sas_address);
635374e7 892void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
c5e039be 893 u64 sas_address_parent);
635374e7
EM		 894int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
895 *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
896int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
897 *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
c5e039be
KD		 898void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
899 u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
635374e7
EM		 900extern struct sas_function_template mpt2sas_transport_functions;
901extern struct scsi_transport_template *mpt2sas_transport_template;
34a03bef 902extern int scsi_internal_device_block(struct scsi_device *sdev);
77e63ed4
KD		 903extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc,
904 u8 msix_index, u32 reply);
34a03bef 905extern int scsi_internal_device_unblock(struct scsi_device *sdev);
635374e7
EM		 906
907#endif /* MPT2SAS_BASE_H_INCLUDED */
Linux 6.x block layer and io_uring tree(s)