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[SCSI] mpt2sas: Redesign Raid devices event handling using pd_handles per HBA
[deliverable/linux.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
31b7f2e2 6 * Copyright (C) 2007-2010 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"
d334aa79 72#define MPT2SAS_DRIVER_VERSION "05.100.00.03"
1a7d7eac 73#define MPT2SAS_MAJOR_VERSION 05
635374e7 74#define MPT2SAS_MINOR_VERSION 100
1a7d7eac 75#define MPT2SAS_BUILD_VERSION 00
d334aa79 76#define MPT2SAS_RELEASE_VERSION 03
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: "
635374e7
EM		 127#define MPT2SAS_INFO_FMT KERN_INFO MPT2SAS_FMT
128#define MPT2SAS_NOTE_FMT KERN_NOTICE MPT2SAS_FMT
129#define MPT2SAS_WARN_FMT KERN_WARNING MPT2SAS_FMT
130#define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT
131
f0f9cc1f
EM		 132/*
133 * Dell HBA branding
134 */
135#define MPT2SAS_DELL_BRANDING_SIZE 32
136
137#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA"
138#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter"
139#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
140#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular"
141#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded"
142#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200"
143#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS"
144
145/*
146 * Dell HBA SSDIDs
147 */
148#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C
149#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D
150#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
151#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F
152#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20
153#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21
154#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22
155
635374e7
EM		 156/*
157 * per target private data
158 */
159#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
160#define MPT_TARGET_FLAGS_VOLUME 0x02
161#define MPT_TARGET_FLAGS_DELETED 0x04
162
163/**
164 * struct MPT2SAS_TARGET - starget private hostdata
165 * @starget: starget object
166 * @sas_address: target sas address
167 * @handle: device handle
168 * @num_luns: number luns
169 * @flags: MPT_TARGET_FLAGS_XXX flags
170 * @deleted: target flaged for deletion
171 * @tm_busy: target is busy with TM request.
172 */
173struct MPT2SAS_TARGET {
174 struct scsi_target *starget;
175 u64 sas_address;
176 u16 handle;
177 int num_luns;
178 u32 flags;
179 u8 deleted;
180 u8 tm_busy;
181};
182
183/*
184 * per device private data
185 */
186#define MPT_DEVICE_FLAGS_INIT 0x01
187#define MPT_DEVICE_TLR_ON 0x02
188
189/**
190 * struct MPT2SAS_DEVICE - sdev private hostdata
191 * @sas_target: starget private hostdata
192 * @lun: lun number
193 * @flags: MPT_DEVICE_XXX flags
194 * @configured_lun: lun is configured
195 * @block: device is in SDEV_BLOCK state
196 * @tlr_snoop_check: flag used in determining whether to disable TLR
197 */
ed79f128
KD		 198
199/* OEM Identifiers */
200#define MFG10_OEM_ID_INVALID (0x00000000)
201#define MFG10_OEM_ID_DELL (0x00000001)
202#define MFG10_OEM_ID_FSC (0x00000002)
203#define MFG10_OEM_ID_SUN (0x00000003)
204#define MFG10_OEM_ID_IBM (0x00000004)
205
206/* GENERIC Flags 0*/
207#define MFG10_GF0_OCE_DISABLED (0x00000001)
208#define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002)
209#define MFG10_GF0_R10_DISPLAY (0x00000004)
210#define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008)
211#define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010)
212
213/* OEM Specific Flags will come from OEM specific header files */
214typedef struct _MPI2_CONFIG_PAGE_MAN_10 {
215 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
216 U8 OEMIdentifier; /* 04h */
217 U8 Reserved1; /* 05h */
218 U16 Reserved2; /* 08h */
219 U32 Reserved3; /* 0Ch */
220 U32 GenericFlags0; /* 10h */
221 U32 GenericFlags1; /* 14h */
222 U32 Reserved4; /* 18h */
223 U32 OEMSpecificFlags0; /* 1Ch */
224 U32 OEMSpecificFlags1; /* 20h */
225 U32 Reserved5[18]; /* 24h-60h*/
226} MPI2_CONFIG_PAGE_MAN_10,
227 MPI2_POINTER PTR_MPI2_CONFIG_PAGE_MAN_10,
228 Mpi2ManufacturingPage10_t, MPI2_POINTER pMpi2ManufacturingPage10_t;
229
635374e7
EM		 230struct MPT2SAS_DEVICE {
231 struct MPT2SAS_TARGET *sas_target;
232 unsigned int lun;
233 u32 flags;
234 u8 configured_lun;
235 u8 block;
236 u8 tlr_snoop_check;
237};
238
239#define MPT2_CMD_NOT_USED 0x8000 /* free */
240#define MPT2_CMD_COMPLETE 0x0001 /* completed */
241#define MPT2_CMD_PENDING 0x0002 /* pending */
242#define MPT2_CMD_REPLY_VALID 0x0004 /* reply is valid */
243#define MPT2_CMD_RESET 0x0008 /* host reset dropped the command */
244
245/**
246 * struct _internal_cmd - internal commands struct
247 * @mutex: mutex
248 * @done: completion
249 * @reply: reply message pointer
250 * @status: MPT2_CMD_XXX status
251 * @smid: system message id
252 */
253struct _internal_cmd {
254 struct mutex mutex;
255 struct completion done;
256 void *reply;
257 u16 status;
258 u16 smid;
259};
260
595bb0bd 261
635374e7
EM		 262/**
263 * struct _sas_device - attached device information
264 * @list: sas device list
265 * @starget: starget object
266 * @sas_address: device sas address
267 * @device_name: retrieved from the SAS IDENTIFY frame.
268 * @handle: device handle
c5e039be 269 * @sas_address_parent: sas address of parent expander or sas host
635374e7
EM		 270 * @enclosure_handle: enclosure handle
271 * @enclosure_logical_id: enclosure logical identifier
272 * @volume_handle: volume handle (valid when hidden raid member)
273 * @volume_wwid: volume unique identifier
274 * @device_info: bitfield provides detailed info about the device
275 * @id: target id
276 * @channel: target channel
277 * @slot: number number
7fbae67a 278 * @phy: phy identifier provided in sas device page 0
635374e7
EM		 279 * @responding: used in _scsih_sas_device_mark_responding
280 */
281struct _sas_device {
282 struct list_head list;
283 struct scsi_target *starget;
284 u64 sas_address;
285 u64 device_name;
286 u16 handle;
c5e039be 287 u64 sas_address_parent;
635374e7
EM		 288 u16 enclosure_handle;
289 u64 enclosure_logical_id;
290 u16 volume_handle;
291 u64 volume_wwid;
292 u32 device_info;
293 int id;
294 int channel;
295 u16 slot;
7fbae67a 296 u8 phy;
635374e7
EM		 297 u8 responding;
298};
299
300/**
301 * struct _raid_device - raid volume link list
302 * @list: sas device list
303 * @starget: starget object
304 * @sdev: scsi device struct (volumes are single lun)
305 * @wwid: unique identifier for the volume
306 * @handle: device handle
307 * @id: target id
308 * @channel: target channel
309 * @volume_type: the raid level
310 * @device_info: bitfield provides detailed info about the hidden components
311 * @num_pds: number of hidden raid components
312 * @responding: used in _scsih_raid_device_mark_responding
f7c95ef0 313 * @percent_complete: resync percent complete
635374e7
EM		 314 */
315struct _raid_device {
316 struct list_head list;
317 struct scsi_target *starget;
318 struct scsi_device *sdev;
319 u64 wwid;
320 u16 handle;
321 int id;
322 int channel;
323 u8 volume_type;
324 u32 device_info;
325 u8 num_pds;
326 u8 responding;
f7c95ef0 327 u8 percent_complete;
635374e7
EM		 328};
329
330/**
331 * struct _boot_device - boot device info
332 * @is_raid: flag to indicate whether this is volume
333 * @device: holds pointer for either struct _sas_device or
334 * struct _raid_device
335 */
336struct _boot_device {
337 u8 is_raid;
338 void *device;
339};
340
341/**
342 * struct _sas_port - wide/narrow sas port information
343 * @port_list: list of ports belonging to expander
635374e7
EM		 344 * @num_phys: number of phys belonging to this port
345 * @remote_identify: attached device identification
346 * @rphy: sas transport rphy object
347 * @port: sas transport wide/narrow port object
348 * @phy_list: _sas_phy list objects belonging to this port
349 */
350struct _sas_port {
351 struct list_head port_list;
635374e7
EM		 352 u8 num_phys;
353 struct sas_identify remote_identify;
354 struct sas_rphy *rphy;
355 struct sas_port *port;
356 struct list_head phy_list;
357};
358
359/**
360 * struct _sas_phy - phy information
361 * @port_siblings: list of phys belonging to a port
362 * @identify: phy identification
363 * @remote_identify: attached device identification
364 * @phy: sas transport phy object
365 * @phy_id: unique phy id
366 * @handle: device handle for this phy
367 * @attached_handle: device handle for attached device
38c29114 368 * @phy_belongs_to_port: port has been created for this phy
635374e7
EM		 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;
38c29114 378 u8 phy_belongs_to_port;
635374e7
EM		 379};
380
381/**
382 * struct _sas_node - sas_host/expander information
383 * @list: list of expanders
384 * @parent_dev: parent device class
385 * @num_phys: number phys belonging to this sas_host/expander
386 * @sas_address: sas address of this sas_host/expander
387 * @handle: handle for this sas_host/expander
c5e039be 388 * @sas_address_parent: sas address of parent expander or sas host
635374e7
EM		 389 * @enclosure_handle: handle for this a member of an enclosure
390 * @device_info: bitwise defining capabilities of this sas_host/expander
391 * @responding: used in _scsih_expander_device_mark_responding
392 * @phy: a list of phys that make up this sas_host/expander
393 * @sas_port_list: list of ports attached to this sas_host/expander
394 */
395struct _sas_node {
396 struct list_head list;
397 struct device *parent_dev;
398 u8 num_phys;
399 u64 sas_address;
400 u16 handle;
c5e039be 401 u64 sas_address_parent;
635374e7
EM		 402 u16 enclosure_handle;
403 u64 enclosure_logical_id;
404 u8 responding;
405 struct _sas_phy *phy;
406 struct list_head sas_port_list;
407};
408
409/**
410 * enum reset_type - reset state
411 * @FORCE_BIG_HAMMER: issue diagnostic reset
412 * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
413 */
414enum reset_type {
415 FORCE_BIG_HAMMER,
416 SOFT_RESET,
417};
418
419/**
420 * struct request_tracker - firmware request tracker
421 * @smid: system message id
422 * @scmd: scsi request pointer
423 * @cb_idx: callback index
424 * @chain_list: list of chains associated to this IO
425 * @tracker_list: list of free request (ioc->free_list)
426 */
427struct request_tracker {
428 u16 smid;
429 struct scsi_cmnd *scmd;
430 u8 cb_idx;
431 struct list_head tracker_list;
432};
433
77e63ed4
KD		 434/**
435 * struct _tr_list - target reset list
436 * @handle: device handle
437 * @state: state machine
438 */
439struct _tr_list {
440 struct list_head list;
441 u16 handle;
442 u16 state;
443};
444
635374e7
EM		 445typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
446
447/**
448 * struct MPT2SAS_ADAPTER - per adapter struct
449 * @list: ioc_list
450 * @shost: shost object
451 * @id: unique adapter id
452 * @pci_irq: irq number
453 * @name: generic ioc string
454 * @tmp_string: tmp string used for logging
455 * @pdev: pci pdev object
456 * @chip: memory mapped register space
457 * @chip_phys: physical addrss prior to mapping
635374e7 458 * @logging_level: see mpt2sas_debug.h
fa7f3167 459 * @fwfault_debug: debuging FW timeouts
635374e7
EM		 460 * @ir_firmware: IR firmware present
461 * @bars: bitmask of BAR's that must be configured
462 * @mask_interrupts: ignore interrupt
463 * @fault_reset_work_q_name: fw fault work queue
464 * @fault_reset_work_q: ""
465 * @fault_reset_work: ""
466 * @firmware_event_name: fw event work queue
467 * @firmware_event_thread: ""
468 * @fw_events_off: flag to turn off fw event handling
469 * @fw_event_lock:
470 * @fw_event_list: list of fw events
471 * @aen_event_read_flag: event log was read
472 * @broadcast_aen_busy: broadcast aen waiting to be serviced
155dd4c7 473 * @shost_recovery: host reset in progress
635374e7
EM		 474 * @ioc_reset_in_progress_lock:
475 * @ioc_link_reset_in_progress: phy/hard reset in progress
476 * @ignore_loginfos: ignore loginfos during task managment
477 * @remove_host: flag for when driver unloads, to avoid sending dev resets
478 * @wait_for_port_enable_to_complete:
479 * @msix_enable: flag indicating msix is enabled
480 * @msix_vector_count: number msix vectors
481 * @msix_table: virt address to the msix table
482 * @msix_table_backup: backup msix table
483 * @scsi_io_cb_idx: shost generated commands
484 * @tm_cb_idx: task management commands
744090d3 485 * @scsih_cb_idx: scsih internal commands
635374e7
EM		 486 * @transport_cb_idx: transport internal commands
487 * @ctl_cb_idx: clt internal commands
488 * @base_cb_idx: base internal commands
489 * @config_cb_idx: base internal commands
f3eedd69
KD		 490 * @tm_tr_cb_idx : device removal target reset handshake
491 * @tm_tr_volume_cb_idx : volume removal target reset
635374e7
EM		 492 * @base_cmds:
493 * @transport_cmds:
744090d3 494 * @scsih_cmds:
635374e7
EM		 495 * @tm_cmds:
496 * @ctl_cmds:
497 * @config_cmds:
498 * @base_add_sg_single: handler for either 32/64 bit sgl's
499 * @event_type: bits indicating which events to log
500 * @event_context: unique id for each logged event
501 * @event_log: event log pointer
502 * @event_masks: events that are masked
503 * @facts: static facts data
504 * @pfacts: static port facts data
505 * @manu_pg0: static manufacturing page 0
ed79f128 506 * @manu_pg10: static manufacturing page 10
635374e7
EM		 507 * @bios_pg2: static bios page 2
508 * @bios_pg3: static bios page 3
509 * @ioc_pg8: static ioc page 8
510 * @iounit_pg0: static iounit page 0
511 * @iounit_pg1: static iounit page 1
512 * @sas_hba: sas host object
513 * @sas_expander_list: expander object list
514 * @sas_node_lock:
515 * @sas_device_list: sas device object list
516 * @sas_device_init_list: sas device object list (used only at init time)
517 * @sas_device_lock:
518 * @io_missing_delay: time for IO completed by fw when PDR enabled
519 * @device_missing_delay: time for device missing by fw when PDR enabled
f3eedd69
KD		 520 * @sas_id : used for setting volume target IDs
521 * @pd_handles : bitmask for PD handles
522 * @pd_handles_sz : size of pd_handle bitmask
635374e7
EM		 523 * @config_page_sz: config page size
524 * @config_page: reserve memory for config page payload
525 * @config_page_dma:
595bb0bd 526 * @hba_queue_depth: hba request queue depth
635374e7 527 * @sge_size: sg element size for either 32/64 bit
595bb0bd 528 * @scsiio_depth: SCSI_IO queue depth
635374e7
EM		 529 * @request_sz: per request frame size
530 * @request: pool of request frames
531 * @request_dma:
532 * @request_dma_sz:
533 * @scsi_lookup: firmware request tracker list
534 * @scsi_lookup_lock:
535 * @free_list: free list of request
536 * @chain: pool of chains
537 * @pending_io_count:
538 * @reset_wq:
539 * @chain_dma:
540 * @max_sges_in_main_message: number sg elements in main message
541 * @max_sges_in_chain_message: number sg elements per chain
542 * @chains_needed_per_io: max chains per io
543 * @chain_offset_value_for_main_message: location 1st sg in main
544 * @chain_depth: total chains allocated
595bb0bd
KD		 545 * @hi_priority_smid:
546 * @hi_priority:
547 * @hi_priority_dma:
548 * @hi_priority_depth:
549 * @hpr_lookup:
550 * @hpr_free_list:
551 * @internal_smid:
552 * @internal:
553 * @internal_dma:
554 * @internal_depth:
555 * @internal_lookup:
556 * @internal_free_list:
635374e7
EM		 557 * @sense: pool of sense
558 * @sense_dma:
559 * @sense_dma_pool:
560 * @reply_depth: hba reply queue depth:
561 * @reply_sz: per reply frame size:
562 * @reply: pool of replys:
563 * @reply_dma:
564 * @reply_dma_pool:
565 * @reply_free_queue_depth: reply free depth
566 * @reply_free: pool for reply free queue (32 bit addr)
567 * @reply_free_dma:
568 * @reply_free_dma_pool:
569 * @reply_free_host_index: tail index in pool to insert free replys
570 * @reply_post_queue_depth: reply post queue depth
571 * @reply_post_free: pool for reply post (64bit descriptor)
572 * @reply_post_free_dma:
573 * @reply_post_free_dma_pool:
574 * @reply_post_host_index: head index in the pool where FW completes IO
f3eedd69
KD		 575 * @delayed_tr_list: target reset link list
576 * @delayed_tr_volume_list: volume target reset link list
635374e7
EM		 577 */
578struct MPT2SAS_ADAPTER {
579 struct list_head list;
580 struct Scsi_Host *shost;
581 u8 id;
582 u32 pci_irq;
583 char name[MPT_NAME_LENGTH];
584 char tmp_string[MPT_STRING_LENGTH];
585 struct pci_dev *pdev;
586 Mpi2SystemInterfaceRegs_t __iomem *chip;
6846e75c 587 resource_size_t chip_phys;
635374e7 588 int logging_level;
fa7f3167 589 int fwfault_debug;
635374e7
EM		 590 u8 ir_firmware;
591 int bars;
592 u8 mask_interrupts;
593
594 /* fw fault handler */
595 char fault_reset_work_q_name[20];
596 struct workqueue_struct *fault_reset_work_q;
597 struct delayed_work fault_reset_work;
598
599 /* fw event handler */
600 char firmware_event_name[20];
601 struct workqueue_struct *firmware_event_thread;
635374e7
EM		 602 spinlock_t fw_event_lock;
603 struct list_head fw_event_list;
604
605 /* misc flags */
606 int aen_event_read_flag;
607 u8 broadcast_aen_busy;
635374e7 608 u8 shost_recovery;
d274213a
KD		 609
610 struct mutex reset_in_progress_mutex;
f1c35e6a 611 struct completion shost_recovery_done;
635374e7
EM		 612 spinlock_t ioc_reset_in_progress_lock;
613 u8 ioc_link_reset_in_progress;
d274213a
KD		 614 int ioc_reset_in_progress_status;
615
635374e7
EM		 616 u8 ignore_loginfos;
617 u8 remove_host;
618 u8 wait_for_port_enable_to_complete;
619
620 u8 msix_enable;
621 u16 msix_vector_count;
622 u32 *msix_table;
623 u32 *msix_table_backup;
d32a8c15 624 u32 ioc_reset_count;
635374e7
EM		 625
626 /* internal commands, callback index */
627 u8 scsi_io_cb_idx;
628 u8 tm_cb_idx;
629 u8 transport_cb_idx;
744090d3 630 u8 scsih_cb_idx;
635374e7
EM		 631 u8 ctl_cb_idx;
632 u8 base_cb_idx;
633 u8 config_cb_idx;
77e63ed4 634 u8 tm_tr_cb_idx;
f3eedd69 635 u8 tm_tr_volume_cb_idx;
77e63ed4 636 u8 tm_sas_control_cb_idx;
635374e7
EM		 637 struct _internal_cmd base_cmds;
638 struct _internal_cmd transport_cmds;
744090d3 639 struct _internal_cmd scsih_cmds;
635374e7
EM		 640 struct _internal_cmd tm_cmds;
641 struct _internal_cmd ctl_cmds;
642 struct _internal_cmd config_cmds;
643
644 MPT_ADD_SGE base_add_sg_single;
645
646 /* event log */
647 u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
648 u32 event_context;
649 void *event_log;
650 u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
651
652 /* static config pages */
653 Mpi2IOCFactsReply_t facts;
654 Mpi2PortFactsReply_t *pfacts;
655 Mpi2ManufacturingPage0_t manu_pg0;
656 Mpi2BiosPage2_t bios_pg2;
657 Mpi2BiosPage3_t bios_pg3;
658 Mpi2IOCPage8_t ioc_pg8;
659 Mpi2IOUnitPage0_t iounit_pg0;
660 Mpi2IOUnitPage1_t iounit_pg1;
661
662 struct _boot_device req_boot_device;
663 struct _boot_device req_alt_boot_device;
664 struct _boot_device current_boot_device;
665
666 /* sas hba, expander, and device list */
667 struct _sas_node sas_hba;
668 struct list_head sas_expander_list;
669 spinlock_t sas_node_lock;
670 struct list_head sas_device_list;
671 struct list_head sas_device_init_list;
672 spinlock_t sas_device_lock;
673 struct list_head raid_device_list;
674 spinlock_t raid_device_lock;
675 u8 io_missing_delay;
676 u16 device_missing_delay;
677 int sas_id;
678
f3eedd69
KD		 679 void *pd_handles;
680 u16 pd_handles_sz;
681
635374e7
EM		 682 /* config page */
683 u16 config_page_sz;
684 void *config_page;
685 dma_addr_t config_page_dma;
686
595bb0bd
KD		 687 /* scsiio request */
688 u16 hba_queue_depth;
635374e7 689 u16 sge_size;
595bb0bd 690 u16 scsiio_depth;
635374e7
EM		 691 u16 request_sz;
692 u8 *request;
693 dma_addr_t request_dma;
694 u32 request_dma_sz;
695 struct request_tracker *scsi_lookup;
89009fbb
KD		 696 ulong scsi_lookup_pages;
697 spinlock_t scsi_lookup_lock;
635374e7
EM		 698 struct list_head free_list;
699 int pending_io_count;
700 wait_queue_head_t reset_wq;
701
702 /* chain */
703 u8 *chain;
704 dma_addr_t chain_dma;
705 u16 max_sges_in_main_message;
706 u16 max_sges_in_chain_message;
707 u16 chains_needed_per_io;
708 u16 chain_offset_value_for_main_message;
89009fbb 709 u32 chain_depth;
635374e7 710
595bb0bd
KD		 711 /* hi-priority queue */
712 u16 hi_priority_smid;
713 u8 *hi_priority;
714 dma_addr_t hi_priority_dma;
715 u16 hi_priority_depth;
716 struct request_tracker *hpr_lookup;
717 struct list_head hpr_free_list;
718
719 /* internal queue */
720 u16 internal_smid;
721 u8 *internal;
722 dma_addr_t internal_dma;
723 u16 internal_depth;
724 struct request_tracker *internal_lookup;
725 struct list_head internal_free_list;
726
635374e7
EM		 727 /* sense */
728 u8 *sense;
729 dma_addr_t sense_dma;
730 struct dma_pool *sense_dma_pool;
731
732 /* reply */
733 u16 reply_sz;
734 u8 *reply;
735 dma_addr_t reply_dma;
736 struct dma_pool *reply_dma_pool;
737
738 /* reply free queue */
739 u16 reply_free_queue_depth;
740 u32 *reply_free;
741 dma_addr_t reply_free_dma;
742 struct dma_pool *reply_free_dma_pool;
743 u32 reply_free_host_index;
744
745 /* reply post queue */
746 u16 reply_post_queue_depth;
747 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
748 dma_addr_t reply_post_free_dma;
749 struct dma_pool *reply_post_free_dma_pool;
750 u32 reply_post_host_index;
751
77e63ed4 752 struct list_head delayed_tr_list;
f3eedd69 753 struct list_head delayed_tr_volume_list;
77e63ed4 754
635374e7
EM		 755 /* diag buffer support */
756 u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
757 u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
758 dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
759 u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
760 u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
ed79f128 761 Mpi2ManufacturingPage10_t manu_pg10;
635374e7
EM		 762 u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
763 u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
570c67ac
KD		 764 u32 ring_buffer_offset;
765 u32 ring_buffer_sz;
635374e7
EM		 766};
767
77e63ed4
KD		 768typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
769 u32 reply);
635374e7
EM		 770
771
772/* base shared API */
ba33fadf 773extern struct list_head mpt2sas_ioc_list;
e4750c98
KD		 774void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
775void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
635374e7
EM		 776
777int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
778void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
779int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
780void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
781int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
782 enum reset_type type);
783
784void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
785void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
786void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
ec9472c7 787__le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc,
77e63ed4 788 u16 smid);
635374e7 789
595bb0bd
KD		 790/* hi-priority queue */
791u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
792u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
793 struct scsi_cmnd *scmd);
794
635374e7
EM		 795u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
796void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
7b936b02 797void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid,
635374e7 798 u16 handle);
7b936b02 799void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid);
635374e7 800void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
7b936b02
KD		 801 u16 io_index);
802void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid);
635374e7
EM		 803void mpt2sas_base_initialize_callback_handler(void);
804u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
805void mpt2sas_base_release_callback_handler(u8 cb_idx);
806
77e63ed4 807u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
7b936b02 808 u32 reply);
635374e7
EM		 809void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
810
811u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
812
813void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
814int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
815 Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
816 *mpi_request);
817int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
818 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
819void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
820
fa7f3167
KD		 821void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
822
635374e7 823/* scsih shared API */
77e63ed4
KD		 824u8 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
825 u32 reply);
8ed9a03a
KD		 826int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle,
827 uint channel, uint id, uint lun, u8 type, u16 smid_task,
828 ulong timeout, struct scsi_cmnd *scmd);
635374e7
EM		 829void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
830void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
831struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
832 u16 handle);
833struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
834 *ioc, u64 sas_address);
835struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address(
836 struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
837
635374e7
EM		 838void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
839
840/* config shared API */
77e63ed4 841u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
7b936b02 842 u32 reply);
635374e7
EM		 843int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
844int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
845 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
ed79f128
KD		 846int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
847 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
635374e7
EM		 848int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
849 *mpi_reply, Mpi2BiosPage2_t *config_page);
850int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
851 *mpi_reply, Mpi2BiosPage3_t *config_page);
852int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
853 *mpi_reply, Mpi2IOUnitPage0_t *config_page);
854int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
855 *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
856int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
857 *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
858int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
859 *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
860int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
861 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
862int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
5b768581 863 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
635374e7
EM		 864int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
865 *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
50d5c606
KD		 866int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
867 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
635374e7
EM		 868int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
869 *mpi_reply, Mpi2IOCPage8_t *config_page);
870int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
871 *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
872int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
873 *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
874int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
875 *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
876int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
877 *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
878int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
879 *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
880int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
881 *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
882int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
883int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
884 *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
885int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
886 *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
887 u32 form_specific);
888int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
889 u16 *volume_handle);
890int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
891 u64 *wwid);
635374e7
EM		 892/* ctl shared API */
893extern struct device_attribute *mpt2sas_host_attrs[];
894extern struct device_attribute *mpt2sas_dev_attrs[];
895void mpt2sas_ctl_init(void);
896void mpt2sas_ctl_exit(void);
77e63ed4 897u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
7b936b02 898 u32 reply);
635374e7 899void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
77e63ed4 900u8 mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
7b936b02 901 u32 reply);
635374e7
EM		 902void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
903 Mpi2EventNotificationReply_t *mpi_reply);
904
32e0eb56
KD		 905void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc,
906 u8 bits_to_regsiter);
907
635374e7 908/* transport shared API */
77e63ed4
KD		 909u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
910 u32 reply);
635374e7 911struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
c5e039be 912 u16 handle, u64 sas_address);
635374e7 913void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
c5e039be 914 u64 sas_address_parent);
635374e7
EM		 915int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
916 *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
917int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
918 *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
c5e039be
KD		 919void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
920 u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
635374e7
EM		 921extern struct sas_function_template mpt2sas_transport_functions;
922extern struct scsi_transport_template *mpt2sas_transport_template;
34a03bef 923extern int scsi_internal_device_block(struct scsi_device *sdev);
77e63ed4
KD		 924extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc,
925 u8 msix_index, u32 reply);
34a03bef 926extern int scsi_internal_device_unblock(struct scsi_device *sdev);
635374e7
EM		 927
928#endif /* MPT2SAS_BASE_H_INCLUDED */
Linux kernel - Deliverables
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