2 * Linux MegaRAID driver for SAS based RAID controllers
4 * Copyright (c) 2003-2013 LSI Corporation
5 * Copyright (c) 2013-2014 Avago Technologies
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * FILE: megaraid_sas.h
22 * Authors: Avago Technologies
23 * Kashyap Desai <kashyap.desai@avagotech.com>
24 * Sumit Saxena <sumit.saxena@avagotech.com>
26 * Send feedback to: megaraidlinux.pdl@avagotech.com
28 * Mail to: Avago Technologies, 350 West Trimble Road, Building 90,
29 * San Jose, California 95131
32 #ifndef LSI_MEGARAID_SAS_H
33 #define LSI_MEGARAID_SAS_H
36 * MegaRAID SAS Driver meta data
38 #define MEGASAS_VERSION "07.703.05.00-rc1"
39 #define MEGASAS_RELDATE "October 5, 2017"
44 #define PCI_DEVICE_ID_LSI_SAS1078R 0x0060
45 #define PCI_DEVICE_ID_LSI_SAS1078DE 0x007C
46 #define PCI_DEVICE_ID_LSI_VERDE_ZCR 0x0413
47 #define PCI_DEVICE_ID_LSI_SAS1078GEN2 0x0078
48 #define PCI_DEVICE_ID_LSI_SAS0079GEN2 0x0079
49 #define PCI_DEVICE_ID_LSI_SAS0073SKINNY 0x0073
50 #define PCI_DEVICE_ID_LSI_SAS0071SKINNY 0x0071
51 #define PCI_DEVICE_ID_LSI_FUSION 0x005b
52 #define PCI_DEVICE_ID_LSI_PLASMA 0x002f
53 #define PCI_DEVICE_ID_LSI_INVADER 0x005d
54 #define PCI_DEVICE_ID_LSI_FURY 0x005f
55 #define PCI_DEVICE_ID_LSI_INTRUDER 0x00ce
56 #define PCI_DEVICE_ID_LSI_INTRUDER_24 0x00cf
57 #define PCI_DEVICE_ID_LSI_CUTLASS_52 0x0052
58 #define PCI_DEVICE_ID_LSI_CUTLASS_53 0x0053
59 #define PCI_DEVICE_ID_LSI_VENTURA 0x0014
60 #define PCI_DEVICE_ID_LSI_CRUSADER 0x0015
61 #define PCI_DEVICE_ID_LSI_HARPOON 0x0016
62 #define PCI_DEVICE_ID_LSI_TOMCAT 0x0017
63 #define PCI_DEVICE_ID_LSI_VENTURA_4PORT 0x001B
64 #define PCI_DEVICE_ID_LSI_CRUSADER_4PORT 0x001C
69 #define MEGARAID_INTEL_RS3DC080_SSDID 0x9360
70 #define MEGARAID_INTEL_RS3DC040_SSDID 0x9362
71 #define MEGARAID_INTEL_RS3SC008_SSDID 0x9380
72 #define MEGARAID_INTEL_RS3MC044_SSDID 0x9381
73 #define MEGARAID_INTEL_RS3WC080_SSDID 0x9341
74 #define MEGARAID_INTEL_RS3WC040_SSDID 0x9343
75 #define MEGARAID_INTEL_RMS3BC160_SSDID 0x352B
80 #define MEGARAID_INTRUDER_SSDID1 0x9371
81 #define MEGARAID_INTRUDER_SSDID2 0x9390
82 #define MEGARAID_INTRUDER_SSDID3 0x9370
87 #define MEGARAID_INTEL_RS3DC080_BRANDING \
88 "Intel(R) RAID Controller RS3DC080"
89 #define MEGARAID_INTEL_RS3DC040_BRANDING \
90 "Intel(R) RAID Controller RS3DC040"
91 #define MEGARAID_INTEL_RS3SC008_BRANDING \
92 "Intel(R) RAID Controller RS3SC008"
93 #define MEGARAID_INTEL_RS3MC044_BRANDING \
94 "Intel(R) RAID Controller RS3MC044"
95 #define MEGARAID_INTEL_RS3WC080_BRANDING \
96 "Intel(R) RAID Controller RS3WC080"
97 #define MEGARAID_INTEL_RS3WC040_BRANDING \
98 "Intel(R) RAID Controller RS3WC040"
99 #define MEGARAID_INTEL_RMS3BC160_BRANDING \
100 "Intel(R) Integrated RAID Module RMS3BC160"
103 * =====================================
104 * MegaRAID SAS MFI firmware definitions
105 * =====================================
109 * MFI stands for MegaRAID SAS FW Interface. This is just a moniker for
110 * protocol between the software and firmware. Commands are issued using
115 * FW posts its state in upper 4 bits of outbound_msg_0 register
117 #define MFI_STATE_MASK 0xF0000000
118 #define MFI_STATE_UNDEFINED 0x00000000
119 #define MFI_STATE_BB_INIT 0x10000000
120 #define MFI_STATE_FW_INIT 0x40000000
121 #define MFI_STATE_WAIT_HANDSHAKE 0x60000000
122 #define MFI_STATE_FW_INIT_2 0x70000000
123 #define MFI_STATE_DEVICE_SCAN 0x80000000
124 #define MFI_STATE_BOOT_MESSAGE_PENDING 0x90000000
125 #define MFI_STATE_FLUSH_CACHE 0xA0000000
126 #define MFI_STATE_READY 0xB0000000
127 #define MFI_STATE_OPERATIONAL 0xC0000000
128 #define MFI_STATE_FAULT 0xF0000000
129 #define MFI_STATE_FORCE_OCR 0x00000080
130 #define MFI_STATE_DMADONE 0x00000008
131 #define MFI_STATE_CRASH_DUMP_DONE 0x00000004
132 #define MFI_RESET_REQUIRED 0x00000001
133 #define MFI_RESET_ADAPTER 0x00000002
134 #define MEGAMFI_FRAME_SIZE 64
137 * During FW init, clear pending cmds & reset state using inbound_msg_0
139 * ABORT : Abort all pending cmds
140 * READY : Move from OPERATIONAL to READY state; discard queue info
141 * MFIMODE : Discard (possible) low MFA posted in 64-bit mode (??)
142 * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
143 * HOTPLUG : Resume from Hotplug
144 * MFI_STOP_ADP : Send signal to FW to stop processing
146 #define WRITE_SEQUENCE_OFFSET (0x0000000FC) /* I20 */
147 #define HOST_DIAGNOSTIC_OFFSET (0x000000F8) /* I20 */
148 #define DIAG_WRITE_ENABLE (0x00000080)
149 #define DIAG_RESET_ADAPTER (0x00000004)
151 #define MFI_ADP_RESET 0x00000040
152 #define MFI_INIT_ABORT 0x00000001
153 #define MFI_INIT_READY 0x00000002
154 #define MFI_INIT_MFIMODE 0x00000004
155 #define MFI_INIT_CLEAR_HANDSHAKE 0x00000008
156 #define MFI_INIT_HOTPLUG 0x00000010
157 #define MFI_STOP_ADP 0x00000020
158 #define MFI_RESET_FLAGS MFI_INIT_READY| \
161 #define MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE (0x01)
166 #define MFI_FRAME_POST_IN_REPLY_QUEUE 0x0000
167 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE 0x0001
168 #define MFI_FRAME_SGL32 0x0000
169 #define MFI_FRAME_SGL64 0x0002
170 #define MFI_FRAME_SENSE32 0x0000
171 #define MFI_FRAME_SENSE64 0x0004
172 #define MFI_FRAME_DIR_NONE 0x0000
173 #define MFI_FRAME_DIR_WRITE 0x0008
174 #define MFI_FRAME_DIR_READ 0x0010
175 #define MFI_FRAME_DIR_BOTH 0x0018
176 #define MFI_FRAME_IEEE 0x0020
178 /* Driver internal */
179 #define DRV_DCMD_POLLED_MODE 0x1
180 #define DRV_DCMD_SKIP_REFIRE 0x2
183 * Definition for cmd_status
185 #define MFI_CMD_STATUS_POLL_MODE 0xFF
188 * MFI command opcodes
192 MFI_CMD_LD_READ
= 0x1,
193 MFI_CMD_LD_WRITE
= 0x2,
194 MFI_CMD_LD_SCSI_IO
= 0x3,
195 MFI_CMD_PD_SCSI_IO
= 0x4,
201 MFI_CMD_INVALID
= 0xff
204 #define MR_DCMD_CTRL_GET_INFO 0x01010000
205 #define MR_DCMD_LD_GET_LIST 0x03010000
206 #define MR_DCMD_LD_LIST_QUERY 0x03010100
208 #define MR_DCMD_CTRL_CACHE_FLUSH 0x01101000
209 #define MR_FLUSH_CTRL_CACHE 0x01
210 #define MR_FLUSH_DISK_CACHE 0x02
212 #define MR_DCMD_CTRL_SHUTDOWN 0x01050000
213 #define MR_DCMD_HIBERNATE_SHUTDOWN 0x01060000
214 #define MR_ENABLE_DRIVE_SPINDOWN 0x01
216 #define MR_DCMD_CTRL_EVENT_GET_INFO 0x01040100
217 #define MR_DCMD_CTRL_EVENT_GET 0x01040300
218 #define MR_DCMD_CTRL_EVENT_WAIT 0x01040500
219 #define MR_DCMD_LD_GET_PROPERTIES 0x03030000
221 #define MR_DCMD_CLUSTER 0x08000000
222 #define MR_DCMD_CLUSTER_RESET_ALL 0x08010100
223 #define MR_DCMD_CLUSTER_RESET_LD 0x08010200
224 #define MR_DCMD_PD_LIST_QUERY 0x02010100
226 #define MR_DCMD_CTRL_SET_CRASH_DUMP_PARAMS 0x01190100
227 #define MR_DRIVER_SET_APP_CRASHDUMP_MODE (0xF0010000 | 0x0600)
228 #define MR_DCMD_PD_GET_INFO 0x02020000
233 extern u8
MR_ValidateMapInfo(struct megasas_instance
*instance
);
237 * MFI command completion codes
241 MFI_STAT_INVALID_CMD
= 0x01,
242 MFI_STAT_INVALID_DCMD
= 0x02,
243 MFI_STAT_INVALID_PARAMETER
= 0x03,
244 MFI_STAT_INVALID_SEQUENCE_NUMBER
= 0x04,
245 MFI_STAT_ABORT_NOT_POSSIBLE
= 0x05,
246 MFI_STAT_APP_HOST_CODE_NOT_FOUND
= 0x06,
247 MFI_STAT_APP_IN_USE
= 0x07,
248 MFI_STAT_APP_NOT_INITIALIZED
= 0x08,
249 MFI_STAT_ARRAY_INDEX_INVALID
= 0x09,
250 MFI_STAT_ARRAY_ROW_NOT_EMPTY
= 0x0a,
251 MFI_STAT_CONFIG_RESOURCE_CONFLICT
= 0x0b,
252 MFI_STAT_DEVICE_NOT_FOUND
= 0x0c,
253 MFI_STAT_DRIVE_TOO_SMALL
= 0x0d,
254 MFI_STAT_FLASH_ALLOC_FAIL
= 0x0e,
255 MFI_STAT_FLASH_BUSY
= 0x0f,
256 MFI_STAT_FLASH_ERROR
= 0x10,
257 MFI_STAT_FLASH_IMAGE_BAD
= 0x11,
258 MFI_STAT_FLASH_IMAGE_INCOMPLETE
= 0x12,
259 MFI_STAT_FLASH_NOT_OPEN
= 0x13,
260 MFI_STAT_FLASH_NOT_STARTED
= 0x14,
261 MFI_STAT_FLUSH_FAILED
= 0x15,
262 MFI_STAT_HOST_CODE_NOT_FOUNT
= 0x16,
263 MFI_STAT_LD_CC_IN_PROGRESS
= 0x17,
264 MFI_STAT_LD_INIT_IN_PROGRESS
= 0x18,
265 MFI_STAT_LD_LBA_OUT_OF_RANGE
= 0x19,
266 MFI_STAT_LD_MAX_CONFIGURED
= 0x1a,
267 MFI_STAT_LD_NOT_OPTIMAL
= 0x1b,
268 MFI_STAT_LD_RBLD_IN_PROGRESS
= 0x1c,
269 MFI_STAT_LD_RECON_IN_PROGRESS
= 0x1d,
270 MFI_STAT_LD_WRONG_RAID_LEVEL
= 0x1e,
271 MFI_STAT_MAX_SPARES_EXCEEDED
= 0x1f,
272 MFI_STAT_MEMORY_NOT_AVAILABLE
= 0x20,
273 MFI_STAT_MFC_HW_ERROR
= 0x21,
274 MFI_STAT_NO_HW_PRESENT
= 0x22,
275 MFI_STAT_NOT_FOUND
= 0x23,
276 MFI_STAT_NOT_IN_ENCL
= 0x24,
277 MFI_STAT_PD_CLEAR_IN_PROGRESS
= 0x25,
278 MFI_STAT_PD_TYPE_WRONG
= 0x26,
279 MFI_STAT_PR_DISABLED
= 0x27,
280 MFI_STAT_ROW_INDEX_INVALID
= 0x28,
281 MFI_STAT_SAS_CONFIG_INVALID_ACTION
= 0x29,
282 MFI_STAT_SAS_CONFIG_INVALID_DATA
= 0x2a,
283 MFI_STAT_SAS_CONFIG_INVALID_PAGE
= 0x2b,
284 MFI_STAT_SAS_CONFIG_INVALID_TYPE
= 0x2c,
285 MFI_STAT_SCSI_DONE_WITH_ERROR
= 0x2d,
286 MFI_STAT_SCSI_IO_FAILED
= 0x2e,
287 MFI_STAT_SCSI_RESERVATION_CONFLICT
= 0x2f,
288 MFI_STAT_SHUTDOWN_FAILED
= 0x30,
289 MFI_STAT_TIME_NOT_SET
= 0x31,
290 MFI_STAT_WRONG_STATE
= 0x32,
291 MFI_STAT_LD_OFFLINE
= 0x33,
292 MFI_STAT_PEER_NOTIFICATION_REJECTED
= 0x34,
293 MFI_STAT_PEER_NOTIFICATION_FAILED
= 0x35,
294 MFI_STAT_RESERVATION_IN_PROGRESS
= 0x36,
295 MFI_STAT_I2C_ERRORS_DETECTED
= 0x37,
296 MFI_STAT_PCI_ERRORS_DETECTED
= 0x38,
297 MFI_STAT_CONFIG_SEQ_MISMATCH
= 0x67,
299 MFI_STAT_INVALID_STATUS
= 0xFF
303 MFI_EVT_CLASS_DEBUG
= -2,
304 MFI_EVT_CLASS_PROGRESS
= -1,
305 MFI_EVT_CLASS_INFO
= 0,
306 MFI_EVT_CLASS_WARNING
= 1,
307 MFI_EVT_CLASS_CRITICAL
= 2,
308 MFI_EVT_CLASS_FATAL
= 3,
309 MFI_EVT_CLASS_DEAD
= 4
313 * Crash dump related defines
315 #define MAX_CRASH_DUMP_SIZE 512
316 #define CRASH_DMA_BUF_SIZE (1024 * 1024)
318 enum MR_FW_CRASH_DUMP_STATE
{
326 enum _MR_CRASH_BUF_STATUS
{
327 MR_CRASH_BUF_TURN_OFF
= 0,
328 MR_CRASH_BUF_TURN_ON
= 1,
332 * Number of mailbox bytes in DCMD message frame
334 #define MFI_MBOX_SIZE 12
338 MR_EVT_CLASS_DEBUG
= -2,
339 MR_EVT_CLASS_PROGRESS
= -1,
340 MR_EVT_CLASS_INFO
= 0,
341 MR_EVT_CLASS_WARNING
= 1,
342 MR_EVT_CLASS_CRITICAL
= 2,
343 MR_EVT_CLASS_FATAL
= 3,
344 MR_EVT_CLASS_DEAD
= 4,
350 MR_EVT_LOCALE_LD
= 0x0001,
351 MR_EVT_LOCALE_PD
= 0x0002,
352 MR_EVT_LOCALE_ENCL
= 0x0004,
353 MR_EVT_LOCALE_BBU
= 0x0008,
354 MR_EVT_LOCALE_SAS
= 0x0010,
355 MR_EVT_LOCALE_CTRL
= 0x0020,
356 MR_EVT_LOCALE_CONFIG
= 0x0040,
357 MR_EVT_LOCALE_CLUSTER
= 0x0080,
358 MR_EVT_LOCALE_ALL
= 0xffff,
365 MR_EVT_ARGS_CDB_SENSE
,
367 MR_EVT_ARGS_LD_COUNT
,
369 MR_EVT_ARGS_LD_OWNER
,
370 MR_EVT_ARGS_LD_LBA_PD_LBA
,
372 MR_EVT_ARGS_LD_STATE
,
373 MR_EVT_ARGS_LD_STRIP
,
377 MR_EVT_ARGS_PD_LBA_LD
,
379 MR_EVT_ARGS_PD_STATE
,
386 MR_EVT_ARGS_PD_SPARE
,
387 MR_EVT_ARGS_PD_INDEX
,
388 MR_EVT_ARGS_DIAG_PASS
,
389 MR_EVT_ARGS_DIAG_FAIL
,
390 MR_EVT_ARGS_PD_LBA_LBA
,
391 MR_EVT_ARGS_PORT_PHY
,
392 MR_EVT_ARGS_PD_MISSING
,
393 MR_EVT_ARGS_PD_ADDRESS
,
395 MR_EVT_ARGS_CONNECTOR
,
398 MR_EVT_ARGS_PD_PATHINFO
,
399 MR_EVT_ARGS_PD_POWER_STATE
,
404 #define SGE_BUFFER_SIZE 4096
405 #define MEGASAS_CLUSTER_ID_SIZE 16
407 * define constants for device list query options
409 enum MR_PD_QUERY_TYPE
{
410 MR_PD_QUERY_TYPE_ALL
= 0,
411 MR_PD_QUERY_TYPE_STATE
= 1,
412 MR_PD_QUERY_TYPE_POWER_STATE
= 2,
413 MR_PD_QUERY_TYPE_MEDIA_TYPE
= 3,
414 MR_PD_QUERY_TYPE_SPEED
= 4,
415 MR_PD_QUERY_TYPE_EXPOSED_TO_HOST
= 5,
418 enum MR_LD_QUERY_TYPE
{
419 MR_LD_QUERY_TYPE_ALL
= 0,
420 MR_LD_QUERY_TYPE_EXPOSED_TO_HOST
= 1,
421 MR_LD_QUERY_TYPE_USED_TGT_IDS
= 2,
422 MR_LD_QUERY_TYPE_CLUSTER_ACCESS
= 3,
423 MR_LD_QUERY_TYPE_CLUSTER_LOCALE
= 4,
427 #define MR_EVT_CFG_CLEARED 0x0004
428 #define MR_EVT_LD_STATE_CHANGE 0x0051
429 #define MR_EVT_PD_INSERTED 0x005b
430 #define MR_EVT_PD_REMOVED 0x0070
431 #define MR_EVT_LD_CREATED 0x008a
432 #define MR_EVT_LD_DELETED 0x008b
433 #define MR_EVT_FOREIGN_CFG_IMPORTED 0x00db
434 #define MR_EVT_LD_OFFLINE 0x00fc
435 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED 0x0152
436 #define MR_EVT_CTRL_PROP_CHANGED 0x012f
439 MR_PD_STATE_UNCONFIGURED_GOOD
= 0x00,
440 MR_PD_STATE_UNCONFIGURED_BAD
= 0x01,
441 MR_PD_STATE_HOT_SPARE
= 0x02,
442 MR_PD_STATE_OFFLINE
= 0x10,
443 MR_PD_STATE_FAILED
= 0x11,
444 MR_PD_STATE_REBUILD
= 0x14,
445 MR_PD_STATE_ONLINE
= 0x18,
446 MR_PD_STATE_COPYBACK
= 0x20,
447 MR_PD_STATE_SYSTEM
= 0x40,
459 * define the DDF Type bit structure
461 union MR_PD_DDF_TYPE
{
465 #ifndef __BIG_ENDIAN_BITFIELD
494 * defines the progress structure
501 u16 elapsedSecsForLastPercent
;
508 * defines the physical drive progress structure
510 struct MR_PD_PROGRESS
{
512 #ifndef MFI_BIG_ENDIAN
530 union MR_PROGRESS rbld
;
531 union MR_PROGRESS patrol
;
533 union MR_PROGRESS clear
;
534 union MR_PROGRESS erase
;
538 #ifndef MFI_BIG_ENDIAN
555 union MR_PROGRESS reserved
[3];
566 u8 connectedPortBitmap
;
567 u8 connectedPortNumbers
;
574 u32 lastPredFailEventSeqNum
;
577 u8 disabledForRemoval
;
579 union MR_PD_DDF_TYPE state
;
583 #ifndef __BIG_ENDIAN_BITFIELD
586 u8 widePortCapable
:1;
588 u8 widePortCapable
:1;
593 u8 connectorIndex
[2];
607 u8 enclConnectorIndex
;
610 struct MR_PD_PROGRESS progInfo
;
611 u8 badBlockTableFull
;
612 u8 unusableInCurrentConfig
;
617 u16 copyBackPartnerId
;
618 u16 enclPartnerDeviceId
;
620 #ifndef __BIG_ENDIAN_BITFIELD
641 u8 bridgeProductIdentification
[16];
642 u8 bridgeProductRevisionLevel
[4];
647 u8 emulatedBlockSize
;
648 u16 userDataBlockSize
;
652 #ifndef __BIG_ENDIAN_BITFIELD
658 u32 commissionedSpare
:1;
659 u32 emergencySpare
:1;
660 u32 ineligibleForSSCD
:1;
661 u32 ineligibleForLd
:1;
662 u32 useSSEraseType
:1;
664 u32 supportScsiUnmap
:1;
668 u32 supportScsiUnmap
:1;
670 u32 useSSEraseType
:1;
671 u32 ineligibleForLd
:1;
672 u32 ineligibleForSSCD
:1;
673 u32 emergencySpare
:1;
674 u32 commissionedSpare
:1;
683 u64 shieldDiagCompletionTime
;
690 #ifndef __BIG_ENDIAN_BITFIELD
691 u32 bbmErrCountSupported
:1;
695 u32 bbmErrCountSupported
:1;
699 u8 reserved1
[512-428];
703 * Definition of structure used to expose attributes of VD or JBOD
704 * (this structure is to be filled by firmware when MR_DCMD_DRV_GET_TARGET_PROP
705 * is fired by driver)
707 struct MR_TARGET_PROPERTIES
{
715 * defines the physical drive address structure
717 struct MR_PD_ADDRESS
{
728 u8 enclConnectorIndex
;
733 u8 connectedPortBitmap
;
734 u8 connectedPortNumbers
;
740 * defines the physical drive list structure
745 struct MR_PD_ADDRESS addr
[1];
748 struct megasas_pd_list
{
755 * defines the logical drive reference structure
767 * defines the logical drive list structure
777 } ldList
[MAX_LOGICAL_DRIVES_EXT
];
780 struct MR_LD_TARGETID_LIST
{
784 u8 targetId
[MAX_LOGICAL_DRIVES_EXT
];
789 * SAS controller properties
791 struct megasas_ctrl_prop
{
794 u16 pred_fail_poll_interval
;
795 u16 intr_throttle_count
;
796 u16 intr_throttle_timeouts
;
802 u8 cache_flush_interval
;
808 u8 disable_auto_rebuild
;
809 u8 disable_battery_warn
;
811 u16 ecc_bucket_leak_rate
;
812 u8 restore_hotspare_on_insertion
;
813 u8 expose_encl_devices
;
814 u8 maintainPdFailHistory
;
815 u8 disallowHostRequestReordering
;
818 u8 disableAutoDetectBackplane
;
823 * Add properties that can be controlled by
824 * a bit in the following structure.
827 #if defined(__BIG_ENDIAN_BITFIELD)
830 u32 disableSpinDownHS
:1;
831 u32 allowBootWithPinnedCache
:1;
832 u32 disableOnlineCtrlReset
:1;
833 u32 enableSecretKeyControl
:1;
834 u32 autoEnhancedImport
:1;
835 u32 enableSpinDownUnconfigured
:1;
836 u32 SSDPatrolReadEnabled
:1;
837 u32 SSDSMARTerEnabled
:1;
840 u32 prCorrectUnconfiguredAreas
:1;
841 u32 SMARTerEnabled
:1;
842 u32 copyBackDisabled
:1;
844 u32 copyBackDisabled
:1;
845 u32 SMARTerEnabled
:1;
846 u32 prCorrectUnconfiguredAreas
:1;
849 u32 SSDSMARTerEnabled
:1;
850 u32 SSDPatrolReadEnabled
:1;
851 u32 enableSpinDownUnconfigured
:1;
852 u32 autoEnhancedImport
:1;
853 u32 enableSecretKeyControl
:1;
854 u32 disableOnlineCtrlReset
:1;
855 u32 allowBootWithPinnedCache
:1;
856 u32 disableSpinDownHS
:1;
868 * SAS controller information
870 struct megasas_ctrl_info
{
873 * PCI device information
879 __le16 sub_vendor_id
;
880 __le16 sub_device_id
;
883 } __attribute__ ((packed
)) pci
;
886 * Host interface information
900 } __attribute__ ((packed
)) host_interface
;
903 * Device (backend) interface information
916 } __attribute__ ((packed
)) device_interface
;
919 * List of components residing in flash. All str are null terminated
921 __le32 image_check_word
;
922 __le32 image_component_count
;
931 } __attribute__ ((packed
)) image_component
[8];
934 * List of flash components that have been flashed on the card, but
935 * are not in use, pending reset of the adapter. This list will be
936 * empty if a flash operation has not occurred. All stings are null
939 __le32 pending_image_component_count
;
948 } __attribute__ ((packed
)) pending_image_component
[8];
955 char product_name
[80];
959 * Other physical/controller/operation information. Indicates the
960 * presence of the hardware
970 } __attribute__ ((packed
)) hw_present
;
972 __le32 current_fw_time
;
975 * Maximum data transfer sizes
977 __le16 max_concurrent_cmds
;
978 __le16 max_sge_count
;
979 __le32 max_request_size
;
982 * Logical and physical device counts
984 __le16 ld_present_count
;
985 __le16 ld_degraded_count
;
986 __le16 ld_offline_count
;
988 __le16 pd_present_count
;
989 __le16 pd_disk_present_count
;
990 __le16 pd_disk_pred_failure_count
;
991 __le16 pd_disk_failed_count
;
994 * Memory size information
1003 __le16 mem_correctable_error_count
;
1004 __le16 mem_uncorrectable_error_count
;
1007 * Cluster information
1009 u8 cluster_permitted
;
1013 * Additional max data transfer sizes
1015 __le16 max_strips_per_io
;
1018 * Controller capabilities structures
1025 u32 raid_level_1E
:1;
1029 } __attribute__ ((packed
)) raid_levels
;
1038 u32 alarm_control
:1;
1039 u32 cluster_supported
:1;
1041 u32 spanning_allowed
:1;
1042 u32 dedicated_hotspares
:1;
1043 u32 revertible_hotspares
:1;
1044 u32 foreign_config_import
:1;
1045 u32 self_diagnostic
:1;
1046 u32 mixed_redundancy_arr
:1;
1047 u32 global_hot_spares
:1;
1050 } __attribute__ ((packed
)) adapter_operations
;
1057 u32 access_policy
:1;
1058 u32 disk_cache_policy
:1;
1061 } __attribute__ ((packed
)) ld_operations
;
1069 } __attribute__ ((packed
)) stripe_sz_ops
;
1074 u32 force_offline
:1;
1075 u32 force_rebuild
:1;
1078 } __attribute__ ((packed
)) pd_operations
;
1082 u32 ctrl_supports_sas
:1;
1083 u32 ctrl_supports_sata
:1;
1084 u32 allow_mix_in_encl
:1;
1085 u32 allow_mix_in_ld
:1;
1086 u32 allow_sata_in_cluster
:1;
1089 } __attribute__ ((packed
)) pd_mix_support
;
1092 * Define ECC single-bit-error bucket information
1094 u8 ecc_bucket_count
;
1098 * Include the controller properties (changeable items)
1100 struct megasas_ctrl_prop properties
;
1103 * Define FW pkg version (set in envt v'bles on OEM basis)
1105 char package_version
[0x60];
1109 * If adapterOperations.supportMoreThan8Phys is set,
1110 * and deviceInterface.portCount is greater than 8,
1111 * SAS Addrs for first 8 ports shall be populated in
1112 * deviceInterface.portAddr, and the rest shall be
1113 * populated in deviceInterfacePortAddr2.
1115 __le64 deviceInterfacePortAddr2
[8]; /*6a0h */
1116 u8 reserved3
[128]; /*6e0h */
1119 u16 minPdRaidLevel_0
:4;
1120 u16 maxPdRaidLevel_0
:12;
1122 u16 minPdRaidLevel_1
:4;
1123 u16 maxPdRaidLevel_1
:12;
1125 u16 minPdRaidLevel_5
:4;
1126 u16 maxPdRaidLevel_5
:12;
1128 u16 minPdRaidLevel_1E
:4;
1129 u16 maxPdRaidLevel_1E
:12;
1131 u16 minPdRaidLevel_6
:4;
1132 u16 maxPdRaidLevel_6
:12;
1134 u16 minPdRaidLevel_10
:4;
1135 u16 maxPdRaidLevel_10
:12;
1137 u16 minPdRaidLevel_50
:4;
1138 u16 maxPdRaidLevel_50
:12;
1140 u16 minPdRaidLevel_60
:4;
1141 u16 maxPdRaidLevel_60
:12;
1143 u16 minPdRaidLevel_1E_RLQ0
:4;
1144 u16 maxPdRaidLevel_1E_RLQ0
:12;
1146 u16 minPdRaidLevel_1E0_RLQ0
:4;
1147 u16 maxPdRaidLevel_1E0_RLQ0
:12;
1152 __le16 maxPds
; /*780h */
1153 __le16 maxDedHSPs
; /*782h */
1154 __le16 maxGlobalHSP
; /*784h */
1155 __le16 ddfSize
; /*786h */
1156 u8 maxLdsPerArray
; /*788h */
1157 u8 partitionsInDDF
; /*789h */
1158 u8 lockKeyBinding
; /*78ah */
1159 u8 maxPITsPerLd
; /*78bh */
1160 u8 maxViewsPerLd
; /*78ch */
1161 u8 maxTargetId
; /*78dh */
1162 __le16 maxBvlVdSize
; /*78eh */
1164 __le16 maxConfigurableSSCSize
; /*790h */
1165 __le16 currentSSCsize
; /*792h */
1167 char expanderFwVersion
[12]; /*794h */
1169 __le16 PFKTrialTimeRemaining
; /*7A0h */
1171 __le16 cacheMemorySize
; /*7A2h */
1174 #if defined(__BIG_ENDIAN_BITFIELD)
1176 u32 activePassive
:2;
1177 u32 supportConfigAutoBalance
:1;
1179 u32 supportDataLDonSSCArray
:1;
1180 u32 supportPointInTimeProgress
:1;
1181 u32 supportUnevenSpans
:1;
1182 u32 dedicatedHotSparesLimited
:1;
1184 u32 supportEmulatedDrives
:1;
1185 u32 supportResetNow
:1;
1186 u32 realTimeScheduler
:1;
1187 u32 supportSSDPatrolRead
:1;
1188 u32 supportPerfTuning
:1;
1189 u32 disableOnlinePFKChange
:1;
1191 u32 supportBootTimePFKChange
:1;
1192 u32 supportSetLinkSpeed
:1;
1193 u32 supportEmergencySpares
:1;
1194 u32 supportSuspendResumeBGops
:1;
1195 u32 blockSSDWriteCacheChange
:1;
1196 u32 supportShieldState
:1;
1197 u32 supportLdBBMInfo
:1;
1198 u32 supportLdPIType3
:1;
1199 u32 supportLdPIType2
:1;
1200 u32 supportLdPIType1
:1;
1201 u32 supportPIcontroller
:1;
1203 u32 supportPIcontroller
:1;
1204 u32 supportLdPIType1
:1;
1205 u32 supportLdPIType2
:1;
1206 u32 supportLdPIType3
:1;
1207 u32 supportLdBBMInfo
:1;
1208 u32 supportShieldState
:1;
1209 u32 blockSSDWriteCacheChange
:1;
1210 u32 supportSuspendResumeBGops
:1;
1211 u32 supportEmergencySpares
:1;
1212 u32 supportSetLinkSpeed
:1;
1213 u32 supportBootTimePFKChange
:1;
1215 u32 disableOnlinePFKChange
:1;
1216 u32 supportPerfTuning
:1;
1217 u32 supportSSDPatrolRead
:1;
1218 u32 realTimeScheduler
:1;
1220 u32 supportResetNow
:1;
1221 u32 supportEmulatedDrives
:1;
1223 u32 dedicatedHotSparesLimited
:1;
1226 u32 supportUnevenSpans
:1;
1227 u32 supportPointInTimeProgress
:1;
1228 u32 supportDataLDonSSCArray
:1;
1230 u32 supportConfigAutoBalance
:1;
1231 u32 activePassive
:2;
1234 } adapterOperations2
;
1236 u8 driverVersion
[32]; /*7A8h */
1237 u8 maxDAPdCountSpinup60
; /*7C8h */
1238 u8 temperatureROC
; /*7C9h */
1239 u8 temperatureCtrl
; /*7CAh */
1240 u8 reserved4
; /*7CBh */
1241 __le16 maxConfigurablePds
; /*7CCh */
1244 u8 reserved5
[2]; /*0x7CDh */
1247 * HA cluster information
1250 #if defined(__BIG_ENDIAN_BITFIELD)
1253 u32 premiumFeatureMismatch
:1;
1254 u32 ctrlPropIncompatible
:1;
1255 u32 fwVersionMismatch
:1;
1256 u32 hwIncompatible
:1;
1257 u32 peerIsIncompatible
:1;
1258 u32 peerIsPresent
:1;
1260 u32 peerIsPresent
:1;
1261 u32 peerIsIncompatible
:1;
1262 u32 hwIncompatible
:1;
1263 u32 fwVersionMismatch
:1;
1264 u32 ctrlPropIncompatible
:1;
1265 u32 premiumFeatureMismatch
:1;
1271 char clusterId
[MEGASAS_CLUSTER_ID_SIZE
]; /*0x7D4 */
1273 u8 maxVFsSupported
; /*0x7E4*/
1274 u8 numVFsEnabled
; /*0x7E5*/
1275 u8 requestorId
; /*0x7E6 0:PF, 1:VF1, 2:VF2*/
1276 u8 reserved
; /*0x7E7*/
1280 #if defined(__BIG_ENDIAN_BITFIELD)
1282 u32 useSeqNumJbodFP
:1;
1283 u32 supportExtendedSSCSize
:1;
1284 u32 supportDiskCacheSettingForSysPDs
:1;
1285 u32 supportCPLDUpdate
:1;
1286 u32 supportTTYLogCompression
:1;
1287 u32 discardCacheDuringLDDelete
:1;
1288 u32 supportSecurityonJBOD
:1;
1289 u32 supportCacheBypassModes
:1;
1290 u32 supportDisableSESMonitoring
:1;
1291 u32 supportForceFlash
:1;
1292 u32 supportNVDRAM
:1;
1293 u32 supportDrvActivityLEDSetting
:1;
1294 u32 supportAllowedOpsforDrvRemoval
:1;
1295 u32 supportHOQRebuild
:1;
1296 u32 supportForceTo512e
:1;
1297 u32 supportNVCacheErase
:1;
1298 u32 supportDebugQueue
:1;
1299 u32 supportSwZone
:1;
1300 u32 supportCrashDump
:1;
1301 u32 supportMaxExtLDs
:1;
1302 u32 supportT10RebuildAssist
:1;
1303 u32 supportDisableImmediateIO
:1;
1304 u32 supportThermalPollInterval
:1;
1305 u32 supportPersonalityChange
:2;
1307 u32 supportPersonalityChange
:2;
1308 u32 supportThermalPollInterval
:1;
1309 u32 supportDisableImmediateIO
:1;
1310 u32 supportT10RebuildAssist
:1;
1311 u32 supportMaxExtLDs
:1;
1312 u32 supportCrashDump
:1;
1313 u32 supportSwZone
:1;
1314 u32 supportDebugQueue
:1;
1315 u32 supportNVCacheErase
:1;
1316 u32 supportForceTo512e
:1;
1317 u32 supportHOQRebuild
:1;
1318 u32 supportAllowedOpsforDrvRemoval
:1;
1319 u32 supportDrvActivityLEDSetting
:1;
1320 u32 supportNVDRAM
:1;
1321 u32 supportForceFlash
:1;
1322 u32 supportDisableSESMonitoring
:1;
1323 u32 supportCacheBypassModes
:1;
1324 u32 supportSecurityonJBOD
:1;
1325 u32 discardCacheDuringLDDelete
:1;
1326 u32 supportTTYLogCompression
:1;
1327 u32 supportCPLDUpdate
:1;
1328 u32 supportDiskCacheSettingForSysPDs
:1;
1329 u32 supportExtendedSSCSize
:1;
1330 u32 useSeqNumJbodFP
:1;
1333 } adapterOperations3
;
1336 #if defined(__BIG_ENDIAN_BITFIELD)
1338 /* Indicates whether the CPLD image is part of
1339 * the package and stored in flash
1347 /* Null terminated string. Has the version
1348 * information if cpld_in_flash = FALSE
1350 u8 userCodeDefinition
[12];
1351 } cpld
; /* Valid only if upgradableCPLD is TRUE */
1354 #if defined(__BIG_ENDIAN_BITFIELD)
1356 u16 fw_swaps_bbu_vpd_info
:1;
1357 u16 support_pd_map_target_id
:1;
1358 u16 support_ses_ctrl_in_multipathcfg
:1;
1359 u16 image_upload_supported
:1;
1360 u16 support_encrypted_mfc
:1;
1361 u16 supported_enc_algo
:1;
1362 u16 support_ibutton_less
:1;
1363 u16 ctrl_info_ext_supported
:1;
1366 u16 ctrl_info_ext_supported
:1;
1367 u16 support_ibutton_less
:1;
1368 u16 supported_enc_algo
:1;
1369 u16 support_encrypted_mfc
:1;
1370 u16 image_upload_supported
:1;
1371 /* FW supports LUN based association and target port based */
1372 u16 support_ses_ctrl_in_multipathcfg
:1;
1373 /* association for the SES device connected in multipath mode */
1374 /* FW defines Jbod target Id within MR_PD_CFG_SEQ */
1375 u16 support_pd_map_target_id
:1;
1376 /* FW swaps relevant fields in MR_BBU_VPD_INFO_FIXED to
1377 * provide the data in little endian order
1379 u16 fw_swaps_bbu_vpd_info
:1;
1382 } adapter_operations4
;
1383 u8 pad
[0x800 - 0x7FE]; /* 0x7FE pad to 2K for expansion */
1387 * ===============================
1388 * MegaRAID SAS driver definitions
1389 * ===============================
1391 #define MEGASAS_MAX_PD_CHANNELS 2
1392 #define MEGASAS_MAX_LD_CHANNELS 2
1393 #define MEGASAS_MAX_CHANNELS (MEGASAS_MAX_PD_CHANNELS + \
1394 MEGASAS_MAX_LD_CHANNELS)
1395 #define MEGASAS_MAX_DEV_PER_CHANNEL 128
1396 #define MEGASAS_DEFAULT_INIT_ID -1
1397 #define MEGASAS_MAX_LUN 8
1398 #define MEGASAS_DEFAULT_CMD_PER_LUN 256
1399 #define MEGASAS_MAX_PD (MEGASAS_MAX_PD_CHANNELS * \
1400 MEGASAS_MAX_DEV_PER_CHANNEL)
1401 #define MEGASAS_MAX_LD_IDS (MEGASAS_MAX_LD_CHANNELS * \
1402 MEGASAS_MAX_DEV_PER_CHANNEL)
1404 #define MEGASAS_MAX_SECTORS (2*1024)
1405 #define MEGASAS_MAX_SECTORS_IEEE (2*128)
1406 #define MEGASAS_DBG_LVL 1
1408 #define MEGASAS_FW_BUSY 1
1410 /* Driver's internal Logging levels*/
1411 #define OCR_LOGS (1 << 0)
1413 #define SCAN_PD_CHANNEL 0x1
1414 #define SCAN_VD_CHANNEL 0x2
1416 #define MEGASAS_KDUMP_QUEUE_DEPTH 100
1417 #define MR_LARGE_IO_MIN_SIZE (32 * 1024)
1418 #define MR_R1_LDIO_PIGGYBACK_DEFAULT 4
1420 enum MR_SCSI_CMD_TYPE
{
1421 READ_WRITE_LDIO
= 0,
1422 NON_READ_WRITE_LDIO
= 1,
1423 READ_WRITE_SYSPDIO
= 2,
1424 NON_READ_WRITE_SYSPDIO
= 3,
1427 enum DCMD_TIMEOUT_ACTION
{
1433 enum FW_BOOT_CONTEXT
{
1440 #define PTHRU_FRAME 1
1443 * When SCSI mid-layer calls driver's reset routine, driver waits for
1444 * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
1445 * that the driver cannot _actually_ abort or reset pending commands. While
1446 * it is waiting for the commands to complete, it prints a diagnostic message
1447 * every MEGASAS_RESET_NOTICE_INTERVAL seconds
1449 #define MEGASAS_RESET_WAIT_TIME 180
1450 #define MEGASAS_INTERNAL_CMD_WAIT_TIME 180
1451 #define MEGASAS_RESET_NOTICE_INTERVAL 5
1452 #define MEGASAS_IOCTL_CMD 0
1453 #define MEGASAS_DEFAULT_CMD_TIMEOUT 90
1454 #define MEGASAS_THROTTLE_QUEUE_DEPTH 16
1455 #define MEGASAS_BLOCKED_CMD_TIMEOUT 60
1457 * FW reports the maximum of number of commands that it can accept (maximum
1458 * commands that can be outstanding) at any time. The driver must report a
1459 * lower number to the mid layer because it can issue a few internal commands
1460 * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
1463 #define MEGASAS_INT_CMDS 32
1464 #define MEGASAS_SKINNY_INT_CMDS 5
1465 #define MEGASAS_FUSION_INTERNAL_CMDS 8
1466 #define MEGASAS_FUSION_IOCTL_CMDS 3
1467 #define MEGASAS_MFI_IOCTL_CMDS 27
1469 #define MEGASAS_MAX_MSIX_QUEUES 128
1471 * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
1472 * SGLs based on the size of dma_addr_t
1474 #define IS_DMA64 (sizeof(dma_addr_t) == 8)
1476 #define MFI_XSCALE_OMR0_CHANGE_INTERRUPT 0x00000001
1478 #define MFI_INTR_FLAG_REPLY_MESSAGE 0x00000001
1479 #define MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE 0x00000002
1480 #define MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT 0x00000004
1482 #define MFI_OB_INTR_STATUS_MASK 0x00000002
1483 #define MFI_POLL_TIMEOUT_SECS 60
1484 #define MFI_IO_TIMEOUT_SECS 180
1485 #define MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF (5 * HZ)
1486 #define MEGASAS_OCR_SETTLE_TIME_VF (1000 * 30)
1487 #define MEGASAS_ROUTINE_WAIT_TIME_VF 300
1488 #define MFI_REPLY_1078_MESSAGE_INTERRUPT 0x80000000
1489 #define MFI_REPLY_GEN2_MESSAGE_INTERRUPT 0x00000001
1490 #define MFI_GEN2_ENABLE_INTERRUPT_MASK (0x00000001 | 0x00000004)
1491 #define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT 0x40000000
1492 #define MFI_SKINNY_ENABLE_INTERRUPT_MASK (0x00000001)
1494 #define MFI_1068_PCSR_OFFSET 0x84
1495 #define MFI_1068_FW_HANDSHAKE_OFFSET 0x64
1496 #define MFI_1068_FW_READY 0xDDDD0000
1498 #define MR_MAX_REPLY_QUEUES_OFFSET 0X0000001F
1499 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET 0X003FC000
1500 #define MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT 14
1501 #define MR_MAX_MSIX_REG_ARRAY 16
1502 #define MR_RDPQ_MODE_OFFSET 0X00800000
1504 #define MR_MAX_RAID_MAP_SIZE_OFFSET_SHIFT 16
1505 #define MR_MAX_RAID_MAP_SIZE_MASK 0x1FF
1506 #define MR_MIN_MAP_SIZE 0x10000
1509 #define MR_CAN_HANDLE_SYNC_CACHE_OFFSET 0X01000000
1511 #define MR_CAN_HANDLE_64_BIT_DMA_OFFSET (1 << 25)
1513 enum MR_ADAPTER_TYPE
{
1515 THUNDERBOLT_SERIES
= 2,
1521 * register set for both 1068 and 1078 controllers
1522 * structure extended for 1078 registers
1525 struct megasas_register_set
{
1526 u32 doorbell
; /*0000h*/
1527 u32 fusion_seq_offset
; /*0004h*/
1528 u32 fusion_host_diag
; /*0008h*/
1529 u32 reserved_01
; /*000Ch*/
1531 u32 inbound_msg_0
; /*0010h*/
1532 u32 inbound_msg_1
; /*0014h*/
1533 u32 outbound_msg_0
; /*0018h*/
1534 u32 outbound_msg_1
; /*001Ch*/
1536 u32 inbound_doorbell
; /*0020h*/
1537 u32 inbound_intr_status
; /*0024h*/
1538 u32 inbound_intr_mask
; /*0028h*/
1540 u32 outbound_doorbell
; /*002Ch*/
1541 u32 outbound_intr_status
; /*0030h*/
1542 u32 outbound_intr_mask
; /*0034h*/
1544 u32 reserved_1
[2]; /*0038h*/
1546 u32 inbound_queue_port
; /*0040h*/
1547 u32 outbound_queue_port
; /*0044h*/
1549 u32 reserved_2
[9]; /*0048h*/
1550 u32 reply_post_host_index
; /*006Ch*/
1551 u32 reserved_2_2
[12]; /*0070h*/
1553 u32 outbound_doorbell_clear
; /*00A0h*/
1555 u32 reserved_3
[3]; /*00A4h*/
1557 u32 outbound_scratch_pad
; /*00B0h*/
1558 u32 outbound_scratch_pad_2
; /*00B4h*/
1559 u32 outbound_scratch_pad_3
; /*00B8h*/
1560 u32 outbound_scratch_pad_4
; /*00BCh*/
1563 u32 inbound_low_queue_port
; /*00C0h*/
1565 u32 inbound_high_queue_port
; /*00C4h*/
1567 u32 inbound_single_queue_port
; /*00C8h*/
1568 u32 res_6
[11]; /*CCh*/
1571 u32 index_registers
[807]; /*00CCh*/
1572 } __attribute__ ((packed
));
1574 struct megasas_sge32
{
1579 } __attribute__ ((packed
));
1581 struct megasas_sge64
{
1586 } __attribute__ ((packed
));
1588 struct megasas_sge_skinny
{
1596 struct megasas_sge32 sge32
[1];
1597 struct megasas_sge64 sge64
[1];
1598 struct megasas_sge_skinny sge_skinny
[1];
1600 } __attribute__ ((packed
));
1602 struct megasas_header
{
1605 u8 sense_len
; /*01h */
1606 u8 cmd_status
; /*02h */
1607 u8 scsi_status
; /*03h */
1609 u8 target_id
; /*04h */
1611 u8 cdb_len
; /*06h */
1612 u8 sge_count
; /*07h */
1614 __le32 context
; /*08h */
1615 __le32 pad_0
; /*0Ch */
1617 __le16 flags
; /*10h */
1618 __le16 timeout
; /*12h */
1619 __le32 data_xferlen
; /*14h */
1621 } __attribute__ ((packed
));
1623 union megasas_sgl_frame
{
1625 struct megasas_sge32 sge32
[8];
1626 struct megasas_sge64 sge64
[5];
1628 } __attribute__ ((packed
));
1630 typedef union _MFI_CAPABILITIES
{
1632 #if defined(__BIG_ENDIAN_BITFIELD)
1634 u32 support_64bit_mode
:1;
1635 u32 support_pd_map_target_id
:1;
1636 u32 support_qd_throttling
:1;
1637 u32 support_fp_rlbypass
:1;
1638 u32 support_vfid_in_ioframe
:1;
1639 u32 support_ext_io_size
:1;
1640 u32 support_ext_queue_depth
:1;
1641 u32 security_protocol_cmds_fw
:1;
1642 u32 support_core_affinity
:1;
1643 u32 support_ndrive_r1_lb
:1;
1644 u32 support_max_255lds
:1;
1645 u32 support_fastpath_wb
:1;
1646 u32 support_additional_msix
:1;
1647 u32 support_fp_remote_lun
:1;
1649 u32 support_fp_remote_lun
:1;
1650 u32 support_additional_msix
:1;
1651 u32 support_fastpath_wb
:1;
1652 u32 support_max_255lds
:1;
1653 u32 support_ndrive_r1_lb
:1;
1654 u32 support_core_affinity
:1;
1655 u32 security_protocol_cmds_fw
:1;
1656 u32 support_ext_queue_depth
:1;
1657 u32 support_ext_io_size
:1;
1658 u32 support_vfid_in_ioframe
:1;
1659 u32 support_fp_rlbypass
:1;
1660 u32 support_qd_throttling
:1;
1661 u32 support_pd_map_target_id
:1;
1662 u32 support_64bit_mode
:1;
1669 struct megasas_init_frame
{
1672 u8 reserved_0
; /*01h */
1673 u8 cmd_status
; /*02h */
1675 u8 reserved_1
; /*03h */
1676 MFI_CAPABILITIES driver_operations
; /*04h*/
1678 __le32 context
; /*08h */
1679 __le32 pad_0
; /*0Ch */
1681 __le16 flags
; /*10h */
1682 __le16 reserved_3
; /*12h */
1683 __le32 data_xfer_len
; /*14h */
1685 __le32 queue_info_new_phys_addr_lo
; /*18h */
1686 __le32 queue_info_new_phys_addr_hi
; /*1Ch */
1687 __le32 queue_info_old_phys_addr_lo
; /*20h */
1688 __le32 queue_info_old_phys_addr_hi
; /*24h */
1689 __le32 reserved_4
[2]; /*28h */
1690 __le32 system_info_lo
; /*30h */
1691 __le32 system_info_hi
; /*34h */
1692 __le32 reserved_5
[2]; /*38h */
1694 } __attribute__ ((packed
));
1696 struct megasas_init_queue_info
{
1698 __le32 init_flags
; /*00h */
1699 __le32 reply_queue_entries
; /*04h */
1701 __le32 reply_queue_start_phys_addr_lo
; /*08h */
1702 __le32 reply_queue_start_phys_addr_hi
; /*0Ch */
1703 __le32 producer_index_phys_addr_lo
; /*10h */
1704 __le32 producer_index_phys_addr_hi
; /*14h */
1705 __le32 consumer_index_phys_addr_lo
; /*18h */
1706 __le32 consumer_index_phys_addr_hi
; /*1Ch */
1708 } __attribute__ ((packed
));
1710 struct megasas_io_frame
{
1713 u8 sense_len
; /*01h */
1714 u8 cmd_status
; /*02h */
1715 u8 scsi_status
; /*03h */
1717 u8 target_id
; /*04h */
1718 u8 access_byte
; /*05h */
1719 u8 reserved_0
; /*06h */
1720 u8 sge_count
; /*07h */
1722 __le32 context
; /*08h */
1723 __le32 pad_0
; /*0Ch */
1725 __le16 flags
; /*10h */
1726 __le16 timeout
; /*12h */
1727 __le32 lba_count
; /*14h */
1729 __le32 sense_buf_phys_addr_lo
; /*18h */
1730 __le32 sense_buf_phys_addr_hi
; /*1Ch */
1732 __le32 start_lba_lo
; /*20h */
1733 __le32 start_lba_hi
; /*24h */
1735 union megasas_sgl sgl
; /*28h */
1737 } __attribute__ ((packed
));
1739 struct megasas_pthru_frame
{
1742 u8 sense_len
; /*01h */
1743 u8 cmd_status
; /*02h */
1744 u8 scsi_status
; /*03h */
1746 u8 target_id
; /*04h */
1748 u8 cdb_len
; /*06h */
1749 u8 sge_count
; /*07h */
1751 __le32 context
; /*08h */
1752 __le32 pad_0
; /*0Ch */
1754 __le16 flags
; /*10h */
1755 __le16 timeout
; /*12h */
1756 __le32 data_xfer_len
; /*14h */
1758 __le32 sense_buf_phys_addr_lo
; /*18h */
1759 __le32 sense_buf_phys_addr_hi
; /*1Ch */
1761 u8 cdb
[16]; /*20h */
1762 union megasas_sgl sgl
; /*30h */
1764 } __attribute__ ((packed
));
1766 struct megasas_dcmd_frame
{
1769 u8 reserved_0
; /*01h */
1770 u8 cmd_status
; /*02h */
1771 u8 reserved_1
[4]; /*03h */
1772 u8 sge_count
; /*07h */
1774 __le32 context
; /*08h */
1775 __le32 pad_0
; /*0Ch */
1777 __le16 flags
; /*10h */
1778 __le16 timeout
; /*12h */
1780 __le32 data_xfer_len
; /*14h */
1781 __le32 opcode
; /*18h */
1789 union megasas_sgl sgl
; /*28h */
1791 } __attribute__ ((packed
));
1793 struct megasas_abort_frame
{
1796 u8 reserved_0
; /*01h */
1797 u8 cmd_status
; /*02h */
1799 u8 reserved_1
; /*03h */
1800 __le32 reserved_2
; /*04h */
1802 __le32 context
; /*08h */
1803 __le32 pad_0
; /*0Ch */
1805 __le16 flags
; /*10h */
1806 __le16 reserved_3
; /*12h */
1807 __le32 reserved_4
; /*14h */
1809 __le32 abort_context
; /*18h */
1810 __le32 pad_1
; /*1Ch */
1812 __le32 abort_mfi_phys_addr_lo
; /*20h */
1813 __le32 abort_mfi_phys_addr_hi
; /*24h */
1815 __le32 reserved_5
[6]; /*28h */
1817 } __attribute__ ((packed
));
1819 struct megasas_smp_frame
{
1822 u8 reserved_1
; /*01h */
1823 u8 cmd_status
; /*02h */
1824 u8 connection_status
; /*03h */
1826 u8 reserved_2
[3]; /*04h */
1827 u8 sge_count
; /*07h */
1829 __le32 context
; /*08h */
1830 __le32 pad_0
; /*0Ch */
1832 __le16 flags
; /*10h */
1833 __le16 timeout
; /*12h */
1835 __le32 data_xfer_len
; /*14h */
1836 __le64 sas_addr
; /*18h */
1839 struct megasas_sge32 sge32
[2]; /* [0]: resp [1]: req */
1840 struct megasas_sge64 sge64
[2]; /* [0]: resp [1]: req */
1843 } __attribute__ ((packed
));
1845 struct megasas_stp_frame
{
1848 u8 reserved_1
; /*01h */
1849 u8 cmd_status
; /*02h */
1850 u8 reserved_2
; /*03h */
1852 u8 target_id
; /*04h */
1853 u8 reserved_3
[2]; /*05h */
1854 u8 sge_count
; /*07h */
1856 __le32 context
; /*08h */
1857 __le32 pad_0
; /*0Ch */
1859 __le16 flags
; /*10h */
1860 __le16 timeout
; /*12h */
1862 __le32 data_xfer_len
; /*14h */
1864 __le16 fis
[10]; /*18h */
1868 struct megasas_sge32 sge32
[2]; /* [0]: resp [1]: data */
1869 struct megasas_sge64 sge64
[2]; /* [0]: resp [1]: data */
1872 } __attribute__ ((packed
));
1874 union megasas_frame
{
1876 struct megasas_header hdr
;
1877 struct megasas_init_frame init
;
1878 struct megasas_io_frame io
;
1879 struct megasas_pthru_frame pthru
;
1880 struct megasas_dcmd_frame dcmd
;
1881 struct megasas_abort_frame abort
;
1882 struct megasas_smp_frame smp
;
1883 struct megasas_stp_frame stp
;
1889 * struct MR_PRIV_DEVICE - sdev private hostdata
1890 * @is_tm_capable: firmware managed tm_capable flag
1891 * @tm_busy: TM request is in progress
1893 struct MR_PRIV_DEVICE
{
1896 atomic_t r1_ldio_hint
;
1901 union megasas_evt_class_locale
{
1904 #ifndef __BIG_ENDIAN_BITFIELD
1913 } __attribute__ ((packed
)) members
;
1917 } __attribute__ ((packed
));
1919 struct megasas_evt_log_info
{
1920 __le32 newest_seq_num
;
1921 __le32 oldest_seq_num
;
1922 __le32 clear_seq_num
;
1923 __le32 shutdown_seq_num
;
1924 __le32 boot_seq_num
;
1926 } __attribute__ ((packed
));
1928 struct megasas_progress
{
1931 __le16 elapsed_seconds
;
1933 } __attribute__ ((packed
));
1935 struct megasas_evtarg_ld
{
1941 } __attribute__ ((packed
));
1943 struct megasas_evtarg_pd
{
1948 } __attribute__ ((packed
));
1950 struct megasas_evt_detail
{
1955 union megasas_evt_class_locale cl
;
1961 struct megasas_evtarg_pd pd
;
1967 } __attribute__ ((packed
)) cdbSense
;
1969 struct megasas_evtarg_ld ld
;
1972 struct megasas_evtarg_ld ld
;
1974 } __attribute__ ((packed
)) ld_count
;
1978 struct megasas_evtarg_ld ld
;
1979 } __attribute__ ((packed
)) ld_lba
;
1982 struct megasas_evtarg_ld ld
;
1985 } __attribute__ ((packed
)) ld_owner
;
1990 struct megasas_evtarg_ld ld
;
1991 struct megasas_evtarg_pd pd
;
1992 } __attribute__ ((packed
)) ld_lba_pd_lba
;
1995 struct megasas_evtarg_ld ld
;
1996 struct megasas_progress prog
;
1997 } __attribute__ ((packed
)) ld_prog
;
2000 struct megasas_evtarg_ld ld
;
2003 } __attribute__ ((packed
)) ld_state
;
2007 struct megasas_evtarg_ld ld
;
2008 } __attribute__ ((packed
)) ld_strip
;
2010 struct megasas_evtarg_pd pd
;
2013 struct megasas_evtarg_pd pd
;
2015 } __attribute__ ((packed
)) pd_err
;
2019 struct megasas_evtarg_pd pd
;
2020 } __attribute__ ((packed
)) pd_lba
;
2024 struct megasas_evtarg_pd pd
;
2025 struct megasas_evtarg_ld ld
;
2026 } __attribute__ ((packed
)) pd_lba_ld
;
2029 struct megasas_evtarg_pd pd
;
2030 struct megasas_progress prog
;
2031 } __attribute__ ((packed
)) pd_prog
;
2034 struct megasas_evtarg_pd pd
;
2037 } __attribute__ ((packed
)) pd_state
;
2044 } __attribute__ ((packed
)) pci
;
2052 } __attribute__ ((packed
)) time
;
2058 } __attribute__ ((packed
)) ecc
;
2066 char description
[128];
2068 } __attribute__ ((packed
));
2070 struct megasas_aen_event
{
2071 struct delayed_work hotplug_work
;
2072 struct megasas_instance
*instance
;
2075 struct megasas_irq_context
{
2076 struct megasas_instance
*instance
;
2080 struct MR_DRV_SYSTEM_INFO
{
2097 /* JBOD Queue depth definitions */
2098 #define MEGASAS_SATA_QD 32
2099 #define MEGASAS_SAS_QD 64
2100 #define MEGASAS_DEFAULT_PD_QD 64
2101 #define MEGASAS_NVME_QD 32
2103 #define MR_DEFAULT_NVME_PAGE_SIZE 4096
2104 #define MR_DEFAULT_NVME_PAGE_SHIFT 12
2105 #define MR_DEFAULT_NVME_MDTS_KB 128
2106 #define MR_NVME_PAGE_SIZE_MASK 0x000000FF
2108 struct megasas_instance
{
2111 dma_addr_t producer_h
;
2113 dma_addr_t consumer_h
;
2114 struct MR_DRV_SYSTEM_INFO
*system_info_buf
;
2115 dma_addr_t system_info_h
;
2116 struct MR_LD_VF_AFFILIATION
*vf_affiliation
;
2117 dma_addr_t vf_affiliation_h
;
2118 struct MR_LD_VF_AFFILIATION_111
*vf_affiliation_111
;
2119 dma_addr_t vf_affiliation_111_h
;
2120 struct MR_CTRL_HB_HOST_MEM
*hb_host_mem
;
2121 dma_addr_t hb_host_mem_h
;
2122 struct MR_PD_INFO
*pd_info
;
2123 dma_addr_t pd_info_h
;
2124 struct MR_TARGET_PROPERTIES
*tgt_prop
;
2125 dma_addr_t tgt_prop_h
;
2127 __le32
*reply_queue
;
2128 dma_addr_t reply_queue_h
;
2130 u32
*crash_dump_buf
;
2131 dma_addr_t crash_dump_h
;
2133 struct MR_PD_LIST
*pd_list_buf
;
2134 dma_addr_t pd_list_buf_h
;
2136 struct megasas_ctrl_info
*ctrl_info_buf
;
2137 dma_addr_t ctrl_info_buf_h
;
2139 struct MR_LD_LIST
*ld_list_buf
;
2140 dma_addr_t ld_list_buf_h
;
2142 struct MR_LD_TARGETID_LIST
*ld_targetid_list_buf
;
2143 dma_addr_t ld_targetid_list_buf_h
;
2145 void *crash_buf
[MAX_CRASH_DUMP_SIZE
];
2146 unsigned int fw_crash_buffer_size
;
2147 unsigned int fw_crash_state
;
2148 unsigned int fw_crash_buffer_offset
;
2151 u32 crash_dump_fw_support
;
2152 u32 crash_dump_drv_support
;
2153 u32 crash_dump_app_support
;
2154 u32 secure_jbod_support
;
2155 u32 support_morethan256jbod
; /* FW support for more than 256 PD/JBOD */
2156 bool use_seqnum_jbod_fp
; /* Added for PD sequence */
2157 spinlock_t crashdump_lock
;
2159 struct megasas_register_set __iomem
*reg_set
;
2160 u32 __iomem
*reply_post_host_index_addr
[MR_MAX_MSIX_REG_ARRAY
];
2161 struct megasas_pd_list pd_list
[MEGASAS_MAX_PD
];
2162 struct megasas_pd_list local_pd_list
[MEGASAS_MAX_PD
];
2163 u8 ld_ids
[MEGASAS_MAX_LD_IDS
];
2173 u32 max_sectors_per_req
;
2174 struct megasas_aen_event
*ev
;
2176 struct megasas_cmd
**cmd_list
;
2177 struct list_head cmd_pool
;
2178 /* used to sync fire the cmd to fw */
2179 spinlock_t mfi_pool_lock
;
2180 /* used to sync fire the cmd to fw */
2181 spinlock_t hba_lock
;
2182 /* used to synch producer, consumer ptrs in dpc */
2183 spinlock_t stream_lock
;
2184 spinlock_t completion_lock
;
2185 struct dma_pool
*frame_dma_pool
;
2186 struct dma_pool
*sense_dma_pool
;
2188 struct megasas_evt_detail
*evt_detail
;
2189 dma_addr_t evt_detail_h
;
2190 struct megasas_cmd
*aen_cmd
;
2191 struct mutex hba_mutex
;
2192 struct semaphore ioctl_sem
;
2194 struct Scsi_Host
*host
;
2196 wait_queue_head_t int_cmd_wait_q
;
2197 wait_queue_head_t abort_cmd_wait_q
;
2199 struct pci_dev
*pdev
;
2201 u32 fw_support_ieee
;
2203 atomic_t fw_outstanding
;
2204 atomic_t ldio_outstanding
;
2205 atomic_t fw_reset_no_pci_access
;
2208 atomic_t sge_holes_type1
;
2209 atomic_t sge_holes_type2
;
2210 atomic_t sge_holes_type3
;
2212 struct megasas_instance_template
*instancet
;
2213 struct tasklet_struct isr_tasklet
;
2214 struct work_struct work_init
;
2215 struct work_struct crash_init
;
2221 u8 disableOnlineCtrlReset
;
2222 u8 UnevenSpanSupport
;
2225 u8 pd_list_not_supported
;
2226 u16 fw_supported_vd_count
;
2227 u16 fw_supported_pd_count
;
2229 u16 drv_supported_vd_count
;
2230 u16 drv_supported_pd_count
;
2232 atomic_t adprecovery
;
2233 unsigned long last_time
;
2237 struct list_head internal_reset_pending_q
;
2239 /* Ptr to hba specific information */
2241 unsigned int msix_vectors
;
2242 struct megasas_irq_context irq_context
[MEGASAS_MAX_MSIX_QUEUES
];
2245 struct megasas_cmd
*map_update_cmd
;
2246 struct megasas_cmd
*jbod_seq_cmd
;
2249 struct mutex reset_mutex
;
2250 struct timer_list sriov_heartbeat_timer
;
2251 char skip_heartbeat_timer_del
;
2254 char clusterId
[MEGASAS_CLUSTER_ID_SIZE
];
2257 u16 throttlequeuedepth
;
2259 u16 max_chain_frame_sz
;
2263 bool fw_sync_cache_support
;
2266 u16 max_raid_mapsize
;
2267 /* preffered count to send as LDIO irrspective of FP capable.*/
2268 u8 r1_ldio_hint_default
;
2271 bool consistent_mask_64bit
;
2273 struct MR_LD_VF_MAP
{
2275 union MR_LD_REF ref
;
2281 struct MR_LD_VF_AFFILIATION
{
2287 struct MR_LD_VF_MAP map
[1];
2290 /* Plasma 1.11 FW backward compatibility structures */
2291 #define IOV_111_OFFSET 0x7CE
2292 #define MAX_VIRTUAL_FUNCTIONS 8
2293 #define MR_LD_ACCESS_HIDDEN 15
2302 struct MR_LD_VF_MAP_111
{
2305 u8 policy
[MAX_VIRTUAL_FUNCTIONS
];
2308 struct MR_LD_VF_AFFILIATION_111
{
2313 struct MR_LD_VF_MAP_111 map
[MAX_LOGICAL_DRIVES
];
2316 struct MR_CTRL_HB_HOST_MEM
{
2318 u32 fwCounter
; /* Firmware heart beat counter */
2320 u32 debugmode
:1; /* 1=Firmware is in debug mode.
2321 Heart beat will not be updated. */
2325 u32 driverCounter
; /* Driver heart beat counter. 0x20 */
2326 u32 reserved_driver
[7];
2332 MEGASAS_HBA_OPERATIONAL
= 0,
2333 MEGASAS_ADPRESET_SM_INFAULT
= 1,
2334 MEGASAS_ADPRESET_SM_FW_RESET_SUCCESS
= 2,
2335 MEGASAS_ADPRESET_SM_OPERATIONAL
= 3,
2336 MEGASAS_HW_CRITICAL_ERROR
= 4,
2337 MEGASAS_ADPRESET_SM_POLLING
= 5,
2338 MEGASAS_ADPRESET_INPROG_SIGN
= 0xDEADDEAD,
2341 struct megasas_instance_template
{
2342 void (*fire_cmd
)(struct megasas_instance
*, dma_addr_t
, \
2343 u32
, struct megasas_register_set __iomem
*);
2345 void (*enable_intr
)(struct megasas_instance
*);
2346 void (*disable_intr
)(struct megasas_instance
*);
2348 int (*clear_intr
)(struct megasas_register_set __iomem
*);
2350 u32 (*read_fw_status_reg
)(struct megasas_register_set __iomem
*);
2351 int (*adp_reset
)(struct megasas_instance
*, \
2352 struct megasas_register_set __iomem
*);
2353 int (*check_reset
)(struct megasas_instance
*, \
2354 struct megasas_register_set __iomem
*);
2355 irqreturn_t (*service_isr
)(int irq
, void *devp
);
2356 void (*tasklet
)(unsigned long);
2357 u32 (*init_adapter
)(struct megasas_instance
*);
2358 u32 (*build_and_issue_cmd
) (struct megasas_instance
*,
2359 struct scsi_cmnd
*);
2360 void (*issue_dcmd
)(struct megasas_instance
*instance
,
2361 struct megasas_cmd
*cmd
);
2364 #define MEGASAS_IS_LOGICAL(sdev) \
2365 ((sdev->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1)
2367 #define MEGASAS_DEV_INDEX(scp) \
2368 (((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + \
2371 #define MEGASAS_PD_INDEX(scp) \
2372 ((scp->device->channel * MEGASAS_MAX_DEV_PER_CHANNEL) + \
2375 struct megasas_cmd
{
2377 union megasas_frame
*frame
;
2378 dma_addr_t frame_phys_addr
;
2380 dma_addr_t sense_phys_addr
;
2386 u8 retry_for_fw_reset
;
2389 struct list_head list
;
2390 struct scsi_cmnd
*scmd
;
2393 struct megasas_instance
*instance
;
2403 #define MAX_MGMT_ADAPTERS 1024
2404 #define MAX_IOCTL_SGE 16
2406 struct megasas_iocpacket
{
2416 struct megasas_header hdr
;
2419 struct iovec sgl
[MAX_IOCTL_SGE
];
2421 } __attribute__ ((packed
));
2423 struct megasas_aen
{
2427 u32 class_locale_word
;
2428 } __attribute__ ((packed
));
2430 #ifdef CONFIG_COMPAT
2431 struct compat_megasas_iocpacket
{
2440 struct megasas_header hdr
;
2442 struct compat_iovec sgl
[MAX_IOCTL_SGE
];
2443 } __attribute__ ((packed
));
2445 #define MEGASAS_IOC_FIRMWARE32 _IOWR('M', 1, struct compat_megasas_iocpacket)
2448 #define MEGASAS_IOC_FIRMWARE _IOWR('M', 1, struct megasas_iocpacket)
2449 #define MEGASAS_IOC_GET_AEN _IOW('M', 3, struct megasas_aen)
2451 struct megasas_mgmt_info
{
2454 struct megasas_instance
*instance
[MAX_MGMT_ADAPTERS
];
2458 enum MEGASAS_OCR_CAUSE
{
2460 SCSIIO_TIMEOUT_OCR
= 1,
2461 MFI_IO_TIMEOUT_OCR
= 2,
2464 enum DCMD_RETURN_STATUS
{
2472 MR_BuildRaidContext(struct megasas_instance
*instance
,
2473 struct IO_REQUEST_INFO
*io_info
,
2474 struct RAID_CONTEXT
*pRAID_Context
,
2475 struct MR_DRV_RAID_MAP_ALL
*map
, u8
**raidLUN
);
2476 u16
MR_TargetIdToLdGet(u32 ldTgtId
, struct MR_DRV_RAID_MAP_ALL
*map
);
2477 struct MR_LD_RAID
*MR_LdRaidGet(u32 ld
, struct MR_DRV_RAID_MAP_ALL
*map
);
2478 u16
MR_ArPdGet(u32 ar
, u32 arm
, struct MR_DRV_RAID_MAP_ALL
*map
);
2479 u16
MR_LdSpanArrayGet(u32 ld
, u32 span
, struct MR_DRV_RAID_MAP_ALL
*map
);
2480 __le16
MR_PdDevHandleGet(u32 pd
, struct MR_DRV_RAID_MAP_ALL
*map
);
2481 u16
MR_GetLDTgtId(u32 ld
, struct MR_DRV_RAID_MAP_ALL
*map
);
2483 __le16
get_updated_dev_handle(struct megasas_instance
*instance
,
2484 struct LD_LOAD_BALANCE_INFO
*lbInfo
,
2485 struct IO_REQUEST_INFO
*in_info
,
2486 struct MR_DRV_RAID_MAP_ALL
*drv_map
);
2487 void mr_update_load_balance_params(struct MR_DRV_RAID_MAP_ALL
*map
,
2488 struct LD_LOAD_BALANCE_INFO
*lbInfo
);
2489 int megasas_get_ctrl_info(struct megasas_instance
*instance
);
2492 megasas_sync_pd_seq_num(struct megasas_instance
*instance
, bool pend
);
2493 void megasas_set_dynamic_target_properties(struct scsi_device
*sdev
);
2494 int megasas_set_crash_dump_params(struct megasas_instance
*instance
,
2495 u8 crash_buf_state
);
2496 void megasas_free_host_crash_buffer(struct megasas_instance
*instance
);
2497 void megasas_fusion_crash_dump_wq(struct work_struct
*work
);
2499 void megasas_return_cmd_fusion(struct megasas_instance
*instance
,
2500 struct megasas_cmd_fusion
*cmd
);
2501 int megasas_issue_blocked_cmd(struct megasas_instance
*instance
,
2502 struct megasas_cmd
*cmd
, int timeout
);
2503 void __megasas_return_cmd(struct megasas_instance
*instance
,
2504 struct megasas_cmd
*cmd
);
2506 void megasas_return_mfi_mpt_pthr(struct megasas_instance
*instance
,
2507 struct megasas_cmd
*cmd_mfi
, struct megasas_cmd_fusion
*cmd_fusion
);
2508 int megasas_cmd_type(struct scsi_cmnd
*cmd
);
2509 void megasas_setup_jbod_map(struct megasas_instance
*instance
);
2511 void megasas_update_sdev_properties(struct scsi_device
*sdev
);
2512 int megasas_reset_fusion(struct Scsi_Host
*shost
, int reason
);
2513 int megasas_task_abort_fusion(struct scsi_cmnd
*scmd
);
2514 int megasas_reset_target_fusion(struct scsi_cmnd
*scmd
);
2515 u32
mega_mod64(u64 dividend
, u32 divisor
);
2516 int megasas_alloc_fusion_context(struct megasas_instance
*instance
);
2517 void megasas_free_fusion_context(struct megasas_instance
*instance
);
2518 void megasas_set_dma_settings(struct megasas_instance
*instance
,
2519 struct megasas_dcmd_frame
*dcmd
,
2520 dma_addr_t dma_addr
, u32 dma_len
);
2521 #endif /*LSI_MEGARAID_SAS_H */