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[SCSI] mpt2sas: Create a pool of chain buffer instead of dedicated per IOs
[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"
d4572c3d
KD		 72#define MPT2SAS_DRIVER_VERSION "06.100.00.00"
73#define MPT2SAS_MAJOR_VERSION 06
635374e7 74#define MPT2SAS_MINOR_VERSION 100
1a7d7eac 75#define MPT2SAS_BUILD_VERSION 00
d4572c3d 76#define MPT2SAS_RELEASE_VERSION 00
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
769578ff 250 * @sense: sense data
635374e7
EM		 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;
769578ff 258 void *sense;
635374e7
EM		 259 u16 status;
260 u16 smid;
261};
262
595bb0bd 263
635374e7
EM		 264/**
265 * struct _sas_device - attached device information
266 * @list: sas device list
267 * @starget: starget object
268 * @sas_address: device sas address
269 * @device_name: retrieved from the SAS IDENTIFY frame.
270 * @handle: device handle
c5e039be 271 * @sas_address_parent: sas address of parent expander or sas host
635374e7
EM		 272 * @enclosure_handle: enclosure handle
273 * @enclosure_logical_id: enclosure logical identifier
274 * @volume_handle: volume handle (valid when hidden raid member)
275 * @volume_wwid: volume unique identifier
276 * @device_info: bitfield provides detailed info about the device
277 * @id: target id
278 * @channel: target channel
279 * @slot: number number
7fbae67a 280 * @phy: phy identifier provided in sas device page 0
635374e7
EM		 281 * @responding: used in _scsih_sas_device_mark_responding
282 */
283struct _sas_device {
284 struct list_head list;
285 struct scsi_target *starget;
286 u64 sas_address;
287 u64 device_name;
288 u16 handle;
c5e039be 289 u64 sas_address_parent;
635374e7
EM		 290 u16 enclosure_handle;
291 u64 enclosure_logical_id;
292 u16 volume_handle;
293 u64 volume_wwid;
294 u32 device_info;
295 int id;
296 int channel;
297 u16 slot;
7fbae67a 298 u8 phy;
635374e7
EM		 299 u8 responding;
300};
301
302/**
303 * struct _raid_device - raid volume link list
304 * @list: sas device list
305 * @starget: starget object
306 * @sdev: scsi device struct (volumes are single lun)
307 * @wwid: unique identifier for the volume
308 * @handle: device handle
309 * @id: target id
310 * @channel: target channel
311 * @volume_type: the raid level
312 * @device_info: bitfield provides detailed info about the hidden components
313 * @num_pds: number of hidden raid components
314 * @responding: used in _scsih_raid_device_mark_responding
f7c95ef0 315 * @percent_complete: resync percent complete
635374e7
EM		 316 */
317struct _raid_device {
318 struct list_head list;
319 struct scsi_target *starget;
320 struct scsi_device *sdev;
321 u64 wwid;
322 u16 handle;
323 int id;
324 int channel;
325 u8 volume_type;
326 u32 device_info;
327 u8 num_pds;
328 u8 responding;
f7c95ef0 329 u8 percent_complete;
635374e7
EM		 330};
331
332/**
333 * struct _boot_device - boot device info
334 * @is_raid: flag to indicate whether this is volume
335 * @device: holds pointer for either struct _sas_device or
336 * struct _raid_device
337 */
338struct _boot_device {
339 u8 is_raid;
340 void *device;
341};
342
343/**
344 * struct _sas_port - wide/narrow sas port information
345 * @port_list: list of ports belonging to expander
635374e7
EM		 346 * @num_phys: number of phys belonging to this port
347 * @remote_identify: attached device identification
348 * @rphy: sas transport rphy object
349 * @port: sas transport wide/narrow port object
350 * @phy_list: _sas_phy list objects belonging to this port
351 */
352struct _sas_port {
353 struct list_head port_list;
635374e7
EM		 354 u8 num_phys;
355 struct sas_identify remote_identify;
356 struct sas_rphy *rphy;
357 struct sas_port *port;
358 struct list_head phy_list;
359};
360
361/**
362 * struct _sas_phy - phy information
363 * @port_siblings: list of phys belonging to a port
364 * @identify: phy identification
365 * @remote_identify: attached device identification
366 * @phy: sas transport phy object
367 * @phy_id: unique phy id
368 * @handle: device handle for this phy
369 * @attached_handle: device handle for attached device
38c29114 370 * @phy_belongs_to_port: port has been created for this phy
635374e7
EM		 371 */
372struct _sas_phy {
373 struct list_head port_siblings;
374 struct sas_identify identify;
375 struct sas_identify remote_identify;
376 struct sas_phy *phy;
377 u8 phy_id;
378 u16 handle;
379 u16 attached_handle;
38c29114 380 u8 phy_belongs_to_port;
635374e7
EM		 381};
382
383/**
384 * struct _sas_node - sas_host/expander information
385 * @list: list of expanders
386 * @parent_dev: parent device class
387 * @num_phys: number phys belonging to this sas_host/expander
388 * @sas_address: sas address of this sas_host/expander
389 * @handle: handle for this sas_host/expander
c5e039be 390 * @sas_address_parent: sas address of parent expander or sas host
635374e7
EM		 391 * @enclosure_handle: handle for this a member of an enclosure
392 * @device_info: bitwise defining capabilities of this sas_host/expander
393 * @responding: used in _scsih_expander_device_mark_responding
394 * @phy: a list of phys that make up this sas_host/expander
395 * @sas_port_list: list of ports attached to this sas_host/expander
396 */
397struct _sas_node {
398 struct list_head list;
399 struct device *parent_dev;
400 u8 num_phys;
401 u64 sas_address;
402 u16 handle;
c5e039be 403 u64 sas_address_parent;
635374e7
EM		 404 u16 enclosure_handle;
405 u64 enclosure_logical_id;
406 u8 responding;
407 struct _sas_phy *phy;
408 struct list_head sas_port_list;
409};
410
411/**
412 * enum reset_type - reset state
413 * @FORCE_BIG_HAMMER: issue diagnostic reset
414 * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
415 */
416enum reset_type {
417 FORCE_BIG_HAMMER,
418 SOFT_RESET,
419};
420
35f805b5
KD		 421/**
422 * struct chain_tracker - firmware chain tracker
423 * @chain_buffer: chain buffer
424 * @chain_buffer_dma: physical address
425 * @tracker_list: list of free request (ioc->free_chain_list)
426 */
427struct chain_tracker {
428 void *chain_buffer;
429 dma_addr_t chain_buffer_dma;
430 struct list_head tracker_list;
431};
432
635374e7
EM		 433/**
434 * struct request_tracker - firmware request tracker
435 * @smid: system message id
436 * @scmd: scsi request pointer
437 * @cb_idx: callback index
438 * @chain_list: list of chains associated to this IO
439 * @tracker_list: list of free request (ioc->free_list)
440 */
441struct request_tracker {
442 u16 smid;
443 struct scsi_cmnd *scmd;
444 u8 cb_idx;
35f805b5 445 struct list_head chain_list;
635374e7
EM		 446 struct list_head tracker_list;
447};
448
77e63ed4
KD		 449/**
450 * struct _tr_list - target reset list
451 * @handle: device handle
452 * @state: state machine
453 */
454struct _tr_list {
455 struct list_head list;
456 u16 handle;
457 u16 state;
458};
459
635374e7
EM		 460typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
461
462/**
463 * struct MPT2SAS_ADAPTER - per adapter struct
464 * @list: ioc_list
465 * @shost: shost object
466 * @id: unique adapter id
467 * @pci_irq: irq number
468 * @name: generic ioc string
469 * @tmp_string: tmp string used for logging
470 * @pdev: pci pdev object
471 * @chip: memory mapped register space
472 * @chip_phys: physical addrss prior to mapping
635374e7 473 * @logging_level: see mpt2sas_debug.h
fa7f3167 474 * @fwfault_debug: debuging FW timeouts
635374e7
EM		 475 * @ir_firmware: IR firmware present
476 * @bars: bitmask of BAR's that must be configured
477 * @mask_interrupts: ignore interrupt
478 * @fault_reset_work_q_name: fw fault work queue
479 * @fault_reset_work_q: ""
480 * @fault_reset_work: ""
481 * @firmware_event_name: fw event work queue
482 * @firmware_event_thread: ""
483 * @fw_events_off: flag to turn off fw event handling
484 * @fw_event_lock:
485 * @fw_event_list: list of fw events
486 * @aen_event_read_flag: event log was read
487 * @broadcast_aen_busy: broadcast aen waiting to be serviced
155dd4c7 488 * @shost_recovery: host reset in progress
635374e7
EM		 489 * @ioc_reset_in_progress_lock:
490 * @ioc_link_reset_in_progress: phy/hard reset in progress
65155b37 491 * @ignore_loginfos: ignore loginfos during task management
635374e7 492 * @remove_host: flag for when driver unloads, to avoid sending dev resets
3cb5469a 493 * @pci_error_recovery: flag to prevent ioc access until slot reset completes
635374e7
EM		 494 * @wait_for_port_enable_to_complete:
495 * @msix_enable: flag indicating msix is enabled
496 * @msix_vector_count: number msix vectors
497 * @msix_table: virt address to the msix table
498 * @msix_table_backup: backup msix table
499 * @scsi_io_cb_idx: shost generated commands
500 * @tm_cb_idx: task management commands
744090d3 501 * @scsih_cb_idx: scsih internal commands
635374e7
EM		 502 * @transport_cb_idx: transport internal commands
503 * @ctl_cb_idx: clt internal commands
504 * @base_cb_idx: base internal commands
505 * @config_cb_idx: base internal commands
f3eedd69
KD		 506 * @tm_tr_cb_idx : device removal target reset handshake
507 * @tm_tr_volume_cb_idx : volume removal target reset
635374e7
EM		 508 * @base_cmds:
509 * @transport_cmds:
744090d3 510 * @scsih_cmds:
635374e7
EM		 511 * @tm_cmds:
512 * @ctl_cmds:
513 * @config_cmds:
514 * @base_add_sg_single: handler for either 32/64 bit sgl's
515 * @event_type: bits indicating which events to log
516 * @event_context: unique id for each logged event
517 * @event_log: event log pointer
518 * @event_masks: events that are masked
519 * @facts: static facts data
520 * @pfacts: static port facts data
521 * @manu_pg0: static manufacturing page 0
ed79f128 522 * @manu_pg10: static manufacturing page 10
635374e7
EM		 523 * @bios_pg2: static bios page 2
524 * @bios_pg3: static bios page 3
525 * @ioc_pg8: static ioc page 8
526 * @iounit_pg0: static iounit page 0
527 * @iounit_pg1: static iounit page 1
528 * @sas_hba: sas host object
529 * @sas_expander_list: expander object list
530 * @sas_node_lock:
531 * @sas_device_list: sas device object list
532 * @sas_device_init_list: sas device object list (used only at init time)
533 * @sas_device_lock:
534 * @io_missing_delay: time for IO completed by fw when PDR enabled
535 * @device_missing_delay: time for device missing by fw when PDR enabled
f3eedd69
KD		 536 * @sas_id : used for setting volume target IDs
537 * @pd_handles : bitmask for PD handles
538 * @pd_handles_sz : size of pd_handle bitmask
635374e7
EM		 539 * @config_page_sz: config page size
540 * @config_page: reserve memory for config page payload
541 * @config_page_dma:
595bb0bd 542 * @hba_queue_depth: hba request queue depth
635374e7 543 * @sge_size: sg element size for either 32/64 bit
595bb0bd 544 * @scsiio_depth: SCSI_IO queue depth
635374e7
EM		 545 * @request_sz: per request frame size
546 * @request: pool of request frames
547 * @request_dma:
548 * @request_dma_sz:
549 * @scsi_lookup: firmware request tracker list
550 * @scsi_lookup_lock:
551 * @free_list: free list of request
552 * @chain: pool of chains
553 * @pending_io_count:
554 * @reset_wq:
555 * @chain_dma:
556 * @max_sges_in_main_message: number sg elements in main message
557 * @max_sges_in_chain_message: number sg elements per chain
558 * @chains_needed_per_io: max chains per io
559 * @chain_offset_value_for_main_message: location 1st sg in main
560 * @chain_depth: total chains allocated
595bb0bd
KD		 561 * @hi_priority_smid:
562 * @hi_priority:
563 * @hi_priority_dma:
564 * @hi_priority_depth:
565 * @hpr_lookup:
566 * @hpr_free_list:
567 * @internal_smid:
568 * @internal:
569 * @internal_dma:
570 * @internal_depth:
571 * @internal_lookup:
572 * @internal_free_list:
635374e7
EM		 573 * @sense: pool of sense
574 * @sense_dma:
575 * @sense_dma_pool:
576 * @reply_depth: hba reply queue depth:
577 * @reply_sz: per reply frame size:
578 * @reply: pool of replys:
579 * @reply_dma:
580 * @reply_dma_pool:
581 * @reply_free_queue_depth: reply free depth
582 * @reply_free: pool for reply free queue (32 bit addr)
583 * @reply_free_dma:
584 * @reply_free_dma_pool:
585 * @reply_free_host_index: tail index in pool to insert free replys
586 * @reply_post_queue_depth: reply post queue depth
587 * @reply_post_free: pool for reply post (64bit descriptor)
588 * @reply_post_free_dma:
589 * @reply_post_free_dma_pool:
590 * @reply_post_host_index: head index in the pool where FW completes IO
f3eedd69
KD		 591 * @delayed_tr_list: target reset link list
592 * @delayed_tr_volume_list: volume target reset link list
635374e7
EM		 593 */
594struct MPT2SAS_ADAPTER {
595 struct list_head list;
596 struct Scsi_Host *shost;
597 u8 id;
598 u32 pci_irq;
599 char name[MPT_NAME_LENGTH];
600 char tmp_string[MPT_STRING_LENGTH];
601 struct pci_dev *pdev;
602 Mpi2SystemInterfaceRegs_t __iomem *chip;
6846e75c 603 resource_size_t chip_phys;
635374e7 604 int logging_level;
fa7f3167 605 int fwfault_debug;
635374e7
EM		 606 u8 ir_firmware;
607 int bars;
608 u8 mask_interrupts;
609
610 /* fw fault handler */
611 char fault_reset_work_q_name[20];
612 struct workqueue_struct *fault_reset_work_q;
613 struct delayed_work fault_reset_work;
614
615 /* fw event handler */
616 char firmware_event_name[20];
617 struct workqueue_struct *firmware_event_thread;
635374e7
EM		 618 spinlock_t fw_event_lock;
619 struct list_head fw_event_list;
620
621 /* misc flags */
622 int aen_event_read_flag;
623 u8 broadcast_aen_busy;
635374e7 624 u8 shost_recovery;
d274213a
KD		 625
626 struct mutex reset_in_progress_mutex;
f1c35e6a 627 struct completion shost_recovery_done;
635374e7
EM		 628 spinlock_t ioc_reset_in_progress_lock;
629 u8 ioc_link_reset_in_progress;
d274213a
KD		 630 int ioc_reset_in_progress_status;
631
635374e7
EM		 632 u8 ignore_loginfos;
633 u8 remove_host;
3cb5469a 634 u8 pci_error_recovery;
635374e7
EM		 635 u8 wait_for_port_enable_to_complete;
636
637 u8 msix_enable;
638 u16 msix_vector_count;
639 u32 *msix_table;
640 u32 *msix_table_backup;
d32a8c15 641 u32 ioc_reset_count;
635374e7
EM		 642
643 /* internal commands, callback index */
644 u8 scsi_io_cb_idx;
645 u8 tm_cb_idx;
646 u8 transport_cb_idx;
744090d3 647 u8 scsih_cb_idx;
635374e7
EM		 648 u8 ctl_cb_idx;
649 u8 base_cb_idx;
650 u8 config_cb_idx;
77e63ed4 651 u8 tm_tr_cb_idx;
f3eedd69 652 u8 tm_tr_volume_cb_idx;
77e63ed4 653 u8 tm_sas_control_cb_idx;
635374e7
EM		 654 struct _internal_cmd base_cmds;
655 struct _internal_cmd transport_cmds;
744090d3 656 struct _internal_cmd scsih_cmds;
635374e7
EM		 657 struct _internal_cmd tm_cmds;
658 struct _internal_cmd ctl_cmds;
659 struct _internal_cmd config_cmds;
660
661 MPT_ADD_SGE base_add_sg_single;
662
663 /* event log */
664 u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
665 u32 event_context;
666 void *event_log;
667 u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
668
669 /* static config pages */
670 Mpi2IOCFactsReply_t facts;
671 Mpi2PortFactsReply_t *pfacts;
672 Mpi2ManufacturingPage0_t manu_pg0;
673 Mpi2BiosPage2_t bios_pg2;
674 Mpi2BiosPage3_t bios_pg3;
675 Mpi2IOCPage8_t ioc_pg8;
676 Mpi2IOUnitPage0_t iounit_pg0;
677 Mpi2IOUnitPage1_t iounit_pg1;
678
679 struct _boot_device req_boot_device;
680 struct _boot_device req_alt_boot_device;
681 struct _boot_device current_boot_device;
682
683 /* sas hba, expander, and device list */
684 struct _sas_node sas_hba;
685 struct list_head sas_expander_list;
686 spinlock_t sas_node_lock;
687 struct list_head sas_device_list;
688 struct list_head sas_device_init_list;
689 spinlock_t sas_device_lock;
690 struct list_head raid_device_list;
691 spinlock_t raid_device_lock;
692 u8 io_missing_delay;
693 u16 device_missing_delay;
694 int sas_id;
695
f3eedd69
KD		 696 void *pd_handles;
697 u16 pd_handles_sz;
698
635374e7
EM		 699 /* config page */
700 u16 config_page_sz;
701 void *config_page;
702 dma_addr_t config_page_dma;
703
595bb0bd
KD		 704 /* scsiio request */
705 u16 hba_queue_depth;
635374e7 706 u16 sge_size;
595bb0bd 707 u16 scsiio_depth;
635374e7
EM		 708 u16 request_sz;
709 u8 *request;
710 dma_addr_t request_dma;
711 u32 request_dma_sz;
712 struct request_tracker *scsi_lookup;
89009fbb
KD		 713 ulong scsi_lookup_pages;
714 spinlock_t scsi_lookup_lock;
635374e7
EM		 715 struct list_head free_list;
716 int pending_io_count;
717 wait_queue_head_t reset_wq;
718
719 /* chain */
35f805b5
KD		 720 struct chain_tracker *chain_lookup;
721 struct list_head free_chain_list;
722 struct dma_pool *chain_dma_pool;
723 ulong chain_pages;
635374e7
EM		 724 u16 max_sges_in_main_message;
725 u16 max_sges_in_chain_message;
726 u16 chains_needed_per_io;
727 u16 chain_offset_value_for_main_message;
89009fbb 728 u32 chain_depth;
635374e7 729
595bb0bd
KD		 730 /* hi-priority queue */
731 u16 hi_priority_smid;
732 u8 *hi_priority;
733 dma_addr_t hi_priority_dma;
734 u16 hi_priority_depth;
735 struct request_tracker *hpr_lookup;
736 struct list_head hpr_free_list;
737
738 /* internal queue */
739 u16 internal_smid;
740 u8 *internal;
741 dma_addr_t internal_dma;
742 u16 internal_depth;
743 struct request_tracker *internal_lookup;
744 struct list_head internal_free_list;
745
635374e7
EM		 746 /* sense */
747 u8 *sense;
748 dma_addr_t sense_dma;
749 struct dma_pool *sense_dma_pool;
750
751 /* reply */
752 u16 reply_sz;
753 u8 *reply;
754 dma_addr_t reply_dma;
dd3741d3
KD		 755 u32 reply_dma_max_address;
756 u32 reply_dma_min_address;
635374e7
EM		 757 struct dma_pool *reply_dma_pool;
758
759 /* reply free queue */
760 u16 reply_free_queue_depth;
761 u32 *reply_free;
762 dma_addr_t reply_free_dma;
763 struct dma_pool *reply_free_dma_pool;
764 u32 reply_free_host_index;
765
766 /* reply post queue */
767 u16 reply_post_queue_depth;
768 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
769 dma_addr_t reply_post_free_dma;
770 struct dma_pool *reply_post_free_dma_pool;
771 u32 reply_post_host_index;
772
77e63ed4 773 struct list_head delayed_tr_list;
f3eedd69 774 struct list_head delayed_tr_volume_list;
77e63ed4 775
635374e7
EM		 776 /* diag buffer support */
777 u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
778 u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
779 dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
780 u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
781 u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
ed79f128 782 Mpi2ManufacturingPage10_t manu_pg10;
635374e7
EM		 783 u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
784 u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
570c67ac
KD		 785 u32 ring_buffer_offset;
786 u32 ring_buffer_sz;
635374e7
EM		 787};
788
77e63ed4
KD		 789typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
790 u32 reply);
635374e7
EM		 791
792
793/* base shared API */
ba33fadf 794extern struct list_head mpt2sas_ioc_list;
e4750c98
KD		 795void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
796void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
635374e7
EM		 797
798int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
799void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
800int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
801void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
802int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
803 enum reset_type type);
804
805void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
806void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
807void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
ec9472c7 808__le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc,
77e63ed4 809 u16 smid);
635374e7 810
595bb0bd
KD		 811/* hi-priority queue */
812u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
813u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
814 struct scsi_cmnd *scmd);
815
635374e7
EM		 816u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
817void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
7b936b02 818void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid,
635374e7 819 u16 handle);
7b936b02 820void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid);
635374e7 821void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
7b936b02
KD		 822 u16 io_index);
823void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid);
635374e7
EM		 824void mpt2sas_base_initialize_callback_handler(void);
825u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
826void mpt2sas_base_release_callback_handler(u8 cb_idx);
827
77e63ed4 828u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
7b936b02 829 u32 reply);
635374e7
EM		 830void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
831
832u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
833
834void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
835int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
836 Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
837 *mpi_request);
838int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
839 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
840void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
841
fa7f3167
KD		 842void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
843
635374e7 844/* scsih shared API */
77e63ed4
KD		 845u8 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
846 u32 reply);
8ed9a03a
KD		 847int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle,
848 uint channel, uint id, uint lun, u8 type, u16 smid_task,
849 ulong timeout, struct scsi_cmnd *scmd);
635374e7
EM		 850void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
851void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
852struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
853 u16 handle);
854struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
855 *ioc, u64 sas_address);
856struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address(
857 struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
858
635374e7
EM		 859void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
860
861/* config shared API */
77e63ed4 862u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
7b936b02 863 u32 reply);
635374e7
EM		 864int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
865int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
866 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
ed79f128
KD		 867int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
868 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
635374e7
EM		 869int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
870 *mpi_reply, Mpi2BiosPage2_t *config_page);
871int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
872 *mpi_reply, Mpi2BiosPage3_t *config_page);
873int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
874 *mpi_reply, Mpi2IOUnitPage0_t *config_page);
875int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
876 *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
877int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
878 *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
879int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
880 *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
881int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
882 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
883int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
5b768581 884 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
635374e7
EM		 885int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
886 *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
50d5c606
KD		 887int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
888 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
635374e7
EM		 889int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
890 *mpi_reply, Mpi2IOCPage8_t *config_page);
891int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
892 *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
893int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
894 *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
895int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
896 *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
897int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
898 *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
899int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
900 *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
901int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
902 *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
903int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
904int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
905 *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
906int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
907 *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
908 u32 form_specific);
909int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
910 u16 *volume_handle);
911int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
912 u64 *wwid);
635374e7
EM		 913/* ctl shared API */
914extern struct device_attribute *mpt2sas_host_attrs[];
915extern struct device_attribute *mpt2sas_dev_attrs[];
916void mpt2sas_ctl_init(void);
917void mpt2sas_ctl_exit(void);
77e63ed4 918u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
7b936b02 919 u32 reply);
635374e7 920void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
77e63ed4 921u8 mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
7b936b02 922 u32 reply);
635374e7
EM		 923void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
924 Mpi2EventNotificationReply_t *mpi_reply);
925
32e0eb56
KD		 926void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc,
927 u8 bits_to_regsiter);
928
635374e7 929/* transport shared API */
77e63ed4
KD		 930u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
931 u32 reply);
635374e7 932struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
c5e039be 933 u16 handle, u64 sas_address);
635374e7 934void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
c5e039be 935 u64 sas_address_parent);
635374e7
EM		 936int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
937 *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
938int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
939 *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
c5e039be
KD		 940void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
941 u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
635374e7
EM		 942extern struct sas_function_template mpt2sas_transport_functions;
943extern struct scsi_transport_template *mpt2sas_transport_template;
34a03bef 944extern int scsi_internal_device_block(struct scsi_device *sdev);
77e63ed4
KD		 945extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc,
946 u8 msix_index, u32 reply);
34a03bef 947extern int scsi_internal_device_unblock(struct scsi_device *sdev);
635374e7
EM		 948
949#endif /* MPT2SAS_BASE_H_INCLUDED */
Linux kernel - Deliverables
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