2 * This is the Fusion MPT base driver providing common API layer interface
3 * for access to MPT (Message Passing Technology) firmware.
5 * This code is based on drivers/scsi/mpt3sas/mpt3sas_base.h
6 * Copyright (C) 2012-2014 LSI Corporation
7 * Copyright (C) 2013-2014 Avago Technologies
8 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
21 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
22 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
23 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
24 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
25 * solely responsible for determining the appropriateness of using and
26 * distributing the Program and assumes all risks associated with its
27 * exercise of rights under this Agreement, including but not limited to
28 * the risks and costs of program errors, damage to or loss of data,
29 * programs or equipment, and unavailability or interruption of operations.
31 * DISCLAIMER OF LIABILITY
32 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
33 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
35 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
36 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
37 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
38 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
40 * You should have received a copy of the GNU General Public License
41 * along with this program; if not, write to the Free Software
42 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
46 #ifndef MPT3SAS_BASE_H_INCLUDED
47 #define MPT3SAS_BASE_H_INCLUDED
49 #include "mpi/mpi2_type.h"
51 #include "mpi/mpi2_ioc.h"
52 #include "mpi/mpi2_cnfg.h"
53 #include "mpi/mpi2_init.h"
54 #include "mpi/mpi2_raid.h"
55 #include "mpi/mpi2_tool.h"
56 #include "mpi/mpi2_sas.h"
57 #include "mpi/mpi2_pci.h"
59 #include <scsi/scsi.h>
60 #include <scsi/scsi_cmnd.h>
61 #include <scsi/scsi_device.h>
62 #include <scsi/scsi_host.h>
63 #include <scsi/scsi_tcq.h>
64 #include <scsi/scsi_transport_sas.h>
65 #include <scsi/scsi_dbg.h>
66 #include <scsi/scsi_eh.h>
67 #include <linux/pci.h>
68 #include <linux/poll.h>
70 #include "mpt3sas_debug.h"
71 #include "mpt3sas_trigger_diag.h"
73 /* driver versioning info */
74 #define MPT3SAS_DRIVER_NAME "mpt3sas"
75 #define MPT3SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>"
76 #define MPT3SAS_DESCRIPTION "LSI MPT Fusion SAS 3.0 Device Driver"
77 #define MPT3SAS_DRIVER_VERSION "17.100.00.00"
78 #define MPT3SAS_MAJOR_VERSION 17
79 #define MPT3SAS_MINOR_VERSION 100
80 #define MPT3SAS_BUILD_VERSION 0
81 #define MPT3SAS_RELEASE_VERSION 00
83 #define MPT2SAS_DRIVER_NAME "mpt2sas"
84 #define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver"
85 #define MPT2SAS_DRIVER_VERSION "20.102.00.00"
86 #define MPT2SAS_MAJOR_VERSION 20
87 #define MPT2SAS_MINOR_VERSION 102
88 #define MPT2SAS_BUILD_VERSION 0
89 #define MPT2SAS_RELEASE_VERSION 00
92 * Set MPT3SAS_SG_DEPTH value based on user input.
94 #define MPT_MAX_PHYS_SEGMENTS SG_CHUNK_SIZE
95 #define MPT_MIN_PHYS_SEGMENTS 16
96 #define MPT_KDUMP_MIN_PHYS_SEGMENTS 32
98 #define MCPU_MAX_CHAINS_PER_IO 3
100 #ifdef CONFIG_SCSI_MPT3SAS_MAX_SGE
101 #define MPT3SAS_SG_DEPTH CONFIG_SCSI_MPT3SAS_MAX_SGE
103 #define MPT3SAS_SG_DEPTH MPT_MAX_PHYS_SEGMENTS
106 #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
107 #define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE
109 #define MPT2SAS_SG_DEPTH MPT_MAX_PHYS_SEGMENTS
115 #define MPT3SAS_SATA_QUEUE_DEPTH 32
116 #define MPT3SAS_SAS_QUEUE_DEPTH 254
117 #define MPT3SAS_RAID_QUEUE_DEPTH 128
118 #define MPT3SAS_KDUMP_SCSI_IO_DEPTH 200
120 #define MPT3SAS_RAID_MAX_SECTORS 8192
121 #define MPT3SAS_HOST_PAGE_SIZE_4K 12
122 #define MPT3SAS_NVME_QUEUE_DEPTH 128
123 #define MPT_NAME_LENGTH 32 /* generic length of strings */
124 #define MPT_STRING_LENGTH 64
125 #define MPI_FRAME_START_OFFSET 256
126 #define REPLY_FREE_POOL_SIZE 512 /*(32 maxcredix *4)*(4 times)*/
128 #define MPT_MAX_CALLBACKS 32
130 #define INTERNAL_CMDS_COUNT 10 /* reserved cmds */
131 /* reserved for issuing internally framed scsi io cmds */
132 #define INTERNAL_SCSIIO_CMDS_COUNT 3
134 #define MPI3_HIM_MASK 0xFFFFFFFF /* mask every bit*/
136 #define MPT3SAS_INVALID_DEVICE_HANDLE 0xFFFF
138 #define MAX_CHAIN_ELEMT_SZ 16
139 #define DEFAULT_NUM_FWCHAIN_ELEMTS 8
144 #define NVME_PRP_SIZE 8 /* PRP size */
145 #define NVME_CMD_PRP1_OFFSET 24 /* PRP1 offset in NVMe cmd */
146 #define NVME_CMD_PRP2_OFFSET 32 /* PRP2 offset in NVMe cmd */
147 #define NVME_ERROR_RESPONSE_SIZE 16 /* Max NVME Error Response */
148 #define NVME_PRP_PAGE_SIZE 4096 /* Page size */
153 #define MPT3_IOC_PRE_RESET 1 /* prior to host reset */
154 #define MPT3_IOC_AFTER_RESET 2 /* just after host reset */
155 #define MPT3_IOC_DONE_RESET 3 /* links re-initialized */
160 #define MPT3SAS_FMT "%s: "
163 * WarpDrive Specific Log codes
166 #define MPT2_WARPDRIVE_LOGENTRY (0x8002)
167 #define MPT2_WARPDRIVE_LC_SSDT (0x41)
168 #define MPT2_WARPDRIVE_LC_SSDLW (0x43)
169 #define MPT2_WARPDRIVE_LC_SSDLF (0x44)
170 #define MPT2_WARPDRIVE_LC_BRMF (0x4D)
173 * per target private data
175 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
176 #define MPT_TARGET_FLAGS_VOLUME 0x02
177 #define MPT_TARGET_FLAGS_DELETED 0x04
178 #define MPT_TARGET_FASTPATH_IO 0x08
179 #define MPT_TARGET_FLAGS_PCIE_DEVICE 0x10
181 #define SAS2_PCI_DEVICE_B0_REVISION (0x01)
182 #define SAS3_PCI_DEVICE_C0_REVISION (0x02)
187 #define MPT2SAS_INTEL_RMS25JB080_BRANDING \
188 "Intel(R) Integrated RAID Module RMS25JB080"
189 #define MPT2SAS_INTEL_RMS25JB040_BRANDING \
190 "Intel(R) Integrated RAID Module RMS25JB040"
191 #define MPT2SAS_INTEL_RMS25KB080_BRANDING \
192 "Intel(R) Integrated RAID Module RMS25KB080"
193 #define MPT2SAS_INTEL_RMS25KB040_BRANDING \
194 "Intel(R) Integrated RAID Module RMS25KB040"
195 #define MPT2SAS_INTEL_RMS25LB040_BRANDING \
196 "Intel(R) Integrated RAID Module RMS25LB040"
197 #define MPT2SAS_INTEL_RMS25LB080_BRANDING \
198 "Intel(R) Integrated RAID Module RMS25LB080"
199 #define MPT2SAS_INTEL_RMS2LL080_BRANDING \
200 "Intel Integrated RAID Module RMS2LL080"
201 #define MPT2SAS_INTEL_RMS2LL040_BRANDING \
202 "Intel Integrated RAID Module RMS2LL040"
203 #define MPT2SAS_INTEL_RS25GB008_BRANDING \
204 "Intel(R) RAID Controller RS25GB008"
205 #define MPT2SAS_INTEL_SSD910_BRANDING \
206 "Intel(R) SSD 910 Series"
208 #define MPT3SAS_INTEL_RMS3JC080_BRANDING \
209 "Intel(R) Integrated RAID Module RMS3JC080"
210 #define MPT3SAS_INTEL_RS3GC008_BRANDING \
211 "Intel(R) RAID Controller RS3GC008"
212 #define MPT3SAS_INTEL_RS3FC044_BRANDING \
213 "Intel(R) RAID Controller RS3FC044"
214 #define MPT3SAS_INTEL_RS3UC080_BRANDING \
215 "Intel(R) RAID Controller RS3UC080"
220 #define MPT2SAS_INTEL_RMS25JB080_SSDID 0x3516
221 #define MPT2SAS_INTEL_RMS25JB040_SSDID 0x3517
222 #define MPT2SAS_INTEL_RMS25KB080_SSDID 0x3518
223 #define MPT2SAS_INTEL_RMS25KB040_SSDID 0x3519
224 #define MPT2SAS_INTEL_RMS25LB040_SSDID 0x351A
225 #define MPT2SAS_INTEL_RMS25LB080_SSDID 0x351B
226 #define MPT2SAS_INTEL_RMS2LL080_SSDID 0x350E
227 #define MPT2SAS_INTEL_RMS2LL040_SSDID 0x350F
228 #define MPT2SAS_INTEL_RS25GB008_SSDID 0x3000
229 #define MPT2SAS_INTEL_SSD910_SSDID 0x3700
231 #define MPT3SAS_INTEL_RMS3JC080_SSDID 0x3521
232 #define MPT3SAS_INTEL_RS3GC008_SSDID 0x3522
233 #define MPT3SAS_INTEL_RS3FC044_SSDID 0x3523
234 #define MPT3SAS_INTEL_RS3UC080_SSDID 0x3524
239 #define MPT2SAS_DELL_BRANDING_SIZE 32
241 #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA"
242 #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter"
243 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
244 #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular"
245 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded"
246 #define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200"
247 #define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS"
249 #define MPT3SAS_DELL_12G_HBA_BRANDING \
255 #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C
256 #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D
257 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
258 #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F
259 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20
260 #define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21
261 #define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22
263 #define MPT3SAS_DELL_12G_HBA_SSDID 0x1F46
268 #define MPT3SAS_CISCO_12G_8E_HBA_BRANDING \
269 "Cisco 9300-8E 12G SAS HBA"
270 #define MPT3SAS_CISCO_12G_8I_HBA_BRANDING \
271 "Cisco 9300-8i 12G SAS HBA"
272 #define MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING \
273 "Cisco 12G Modular SAS Pass through Controller"
274 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING \
275 "UCS C3X60 12G SAS Pass through Controller"
279 #define MPT3SAS_CISCO_12G_8E_HBA_SSDID 0x14C
280 #define MPT3SAS_CISCO_12G_8I_HBA_SSDID 0x154
281 #define MPT3SAS_CISCO_12G_AVILA_HBA_SSDID 0x155
282 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID 0x156
285 * status bits for ioc->diag_buffer_status
287 #define MPT3_DIAG_BUFFER_IS_REGISTERED (0x01)
288 #define MPT3_DIAG_BUFFER_IS_RELEASED (0x02)
289 #define MPT3_DIAG_BUFFER_IS_DIAG_RESET (0x04)
294 #define MPT2SAS_HP_3PAR_SSVID 0x1590
296 #define MPT2SAS_HP_2_4_INTERNAL_BRANDING \
297 "HP H220 Host Bus Adapter"
298 #define MPT2SAS_HP_2_4_EXTERNAL_BRANDING \
299 "HP H221 Host Bus Adapter"
300 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING \
301 "HP H222 Host Bus Adapter"
302 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING \
303 "HP H220i Host Bus Adapter"
304 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING \
305 "HP H210i Host Bus Adapter"
310 #define MPT2SAS_HP_2_4_INTERNAL_SSDID 0x0041
311 #define MPT2SAS_HP_2_4_EXTERNAL_SSDID 0x0042
312 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID 0x0043
313 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID 0x0044
314 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID 0x0046
317 * Combined Reply Queue constants,
318 * There are twelve Supplemental Reply Post Host Index Registers
319 * and each register is at offset 0x10 bytes from the previous one.
321 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3 12
322 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35 16
323 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET (0x10)
325 /* OEM Identifiers */
326 #define MFG10_OEM_ID_INVALID (0x00000000)
327 #define MFG10_OEM_ID_DELL (0x00000001)
328 #define MFG10_OEM_ID_FSC (0x00000002)
329 #define MFG10_OEM_ID_SUN (0x00000003)
330 #define MFG10_OEM_ID_IBM (0x00000004)
333 #define MFG10_GF0_OCE_DISABLED (0x00000001)
334 #define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002)
335 #define MFG10_GF0_R10_DISPLAY (0x00000004)
336 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008)
337 #define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010)
339 #define VIRTUAL_IO_FAILED_RETRY (0x32010081)
341 /* OEM Specific Flags will come from OEM specific header files */
342 struct Mpi2ManufacturingPage10_t {
343 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
344 U8 OEMIdentifier; /* 04h */
345 U8 Reserved1; /* 05h */
346 U16 Reserved2; /* 08h */
347 U32 Reserved3; /* 0Ch */
348 U32 GenericFlags0; /* 10h */
349 U32 GenericFlags1; /* 14h */
350 U32 Reserved4; /* 18h */
351 U32 OEMSpecificFlags0; /* 1Ch */
352 U32 OEMSpecificFlags1; /* 20h */
353 U32 Reserved5[18]; /* 24h - 60h*/
357 /* Miscellaneous options */
358 struct Mpi2ManufacturingPage11_t {
359 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
360 __le32 Reserved1; /* 04h */
361 u8 Reserved2; /* 08h */
362 u8 EEDPTagMode; /* 09h */
363 u8 Reserved3; /* 0Ah */
364 u8 Reserved4; /* 0Bh */
365 __le32 Reserved5[23]; /* 0Ch-60h*/
369 * struct MPT3SAS_TARGET - starget private hostdata
370 * @starget: starget object
371 * @sas_address: target sas address
372 * @raid_device: raid_device pointer to access volume data
373 * @handle: device handle
374 * @num_luns: number luns
375 * @flags: MPT_TARGET_FLAGS_XXX flags
376 * @deleted: target flaged for deletion
377 * @tm_busy: target is busy with TM request.
378 * @sas_dev: The sas_device associated with this target
379 * @pcie_dev: The pcie device associated with this target
381 struct MPT3SAS_TARGET {
382 struct scsi_target *starget;
384 struct _raid_device *raid_device;
390 struct _sas_device *sas_dev;
391 struct _pcie_device *pcie_dev;
396 * per device private data
398 #define MPT_DEVICE_FLAGS_INIT 0x01
400 #define MFG_PAGE10_HIDE_SSDS_MASK (0x00000003)
401 #define MFG_PAGE10_HIDE_ALL_DISKS (0x00)
402 #define MFG_PAGE10_EXPOSE_ALL_DISKS (0x01)
403 #define MFG_PAGE10_HIDE_IF_VOL_PRESENT (0x02)
406 * struct MPT3SAS_DEVICE - sdev private hostdata
407 * @sas_target: starget private hostdata
409 * @flags: MPT_DEVICE_XXX flags
410 * @configured_lun: lun is configured
411 * @block: device is in SDEV_BLOCK state
412 * @tlr_snoop_check: flag used in determining whether to disable TLR
413 * @eedp_enable: eedp support enable bit
414 * @eedp_type: 0(type_1), 1(type_2), 2(type_3)
415 * @eedp_block_length: block size
416 * @ata_command_pending: SATL passthrough outstanding for device
418 struct MPT3SAS_DEVICE {
419 struct MPT3SAS_TARGET *sas_target;
425 u8 ignore_delay_remove;
426 /* Iopriority Command Handling */
429 * Bug workaround for SATL handling: the mpt2/3sas firmware
430 * doesn't return BUSY or TASK_SET_FULL for subsequent
431 * commands while a SATL pass through is in operation as the
432 * spec requires, it simply does nothing with them until the
433 * pass through completes, causing them possibly to timeout if
434 * the passthrough is a long executing command (like format or
435 * secure erase). This variable allows us to do the right
436 * thing while a SATL command is pending.
438 unsigned long ata_command_pending;
442 #define MPT3_CMD_NOT_USED 0x8000 /* free */
443 #define MPT3_CMD_COMPLETE 0x0001 /* completed */
444 #define MPT3_CMD_PENDING 0x0002 /* pending */
445 #define MPT3_CMD_REPLY_VALID 0x0004 /* reply is valid */
446 #define MPT3_CMD_RESET 0x0008 /* host reset dropped the command */
449 * struct _internal_cmd - internal commands struct
452 * @reply: reply message pointer
454 * @status: MPT3_CMD_XXX status
455 * @smid: system message id
457 struct _internal_cmd {
459 struct completion done;
469 * struct _sas_device - attached device information
470 * @list: sas device list
471 * @starget: starget object
472 * @sas_address: device sas address
473 * @device_name: retrieved from the SAS IDENTIFY frame.
474 * @handle: device handle
475 * @sas_address_parent: sas address of parent expander or sas host
476 * @enclosure_handle: enclosure handle
477 * @enclosure_logical_id: enclosure logical identifier
478 * @volume_handle: volume handle (valid when hidden raid member)
479 * @volume_wwid: volume unique identifier
480 * @device_info: bitfield provides detailed info about the device
482 * @channel: target channel
483 * @slot: number number
484 * @phy: phy identifier provided in sas device page 0
485 * @responding: used in _scsih_sas_device_mark_responding
486 * @fast_path: fast path feature enable bit
487 * @pfa_led_on: flag for PFA LED status
488 * @pend_sas_rphy_add: flag to check if device is in sas_rphy_add()
490 * @chassis_slot: chassis slot
491 * @is_chassis_slot_valid: chassis slot valid or not
494 struct list_head list;
495 struct scsi_target *starget;
499 u64 sas_address_parent;
500 u16 enclosure_handle;
501 u64 enclosure_logical_id;
512 u8 pend_sas_rphy_add;
515 u8 is_chassis_slot_valid;
516 u8 connector_name[5];
517 struct kref refcount;
520 static inline void sas_device_get(struct _sas_device *s)
522 kref_get(&s->refcount);
525 static inline void sas_device_free(struct kref *r)
527 kfree(container_of(r, struct _sas_device, refcount));
530 static inline void sas_device_put(struct _sas_device *s)
532 kref_put(&s->refcount, sas_device_free);
536 * struct _pcie_device - attached PCIe device information
537 * @list: pcie device list
538 * @starget: starget object
540 * @handle: device handle
541 * @device_info: bitfield provides detailed info about the device
543 * @channel: target channel
545 * @port_num: port number
546 * @responding: used in _scsih_pcie_device_mark_responding
547 * @fast_path: fast path feature enable bit
548 * @nvme_mdts: MaximumDataTransferSize from PCIe Device Page 2 for
550 * @enclosure_handle: enclosure handle
551 * @enclosure_logical_id: enclosure logical identifier
552 * @enclosure_level: The level of device's enclosure from the controller
553 * @connector_name: ASCII value of the Connector's name
554 * @serial_number: pointer of serial number string allocated runtime
555 * @refcount: reference count for deletion
557 struct _pcie_device {
558 struct list_head list;
559 struct scsi_target *starget;
570 u16 enclosure_handle;
571 u64 enclosure_logical_id;
573 u8 connector_name[4];
575 struct kref refcount;
578 * pcie_device_get - Increment the pcie device reference count
580 * @p: pcie_device object
582 * When ever this function called it will increment the
583 * reference count of the pcie device for which this function called.
586 static inline void pcie_device_get(struct _pcie_device *p)
588 kref_get(&p->refcount);
592 * pcie_device_free - Release the pcie device object
595 * Free's the pcie device object. It will be called when reference count
598 static inline void pcie_device_free(struct kref *r)
600 kfree(container_of(r, struct _pcie_device, refcount));
604 * pcie_device_put - Decrement the pcie device reference count
606 * @p: pcie_device object
608 * When ever this function called it will decrement the
609 * reference count of the pcie device for which this function called.
611 * When refernce count reaches to Zero, this will call pcie_device_free to the
612 * pcie_device object.
614 static inline void pcie_device_put(struct _pcie_device *p)
616 kref_put(&p->refcount, pcie_device_free);
619 * struct _raid_device - raid volume link list
620 * @list: sas device list
621 * @starget: starget object
622 * @sdev: scsi device struct (volumes are single lun)
623 * @wwid: unique identifier for the volume
624 * @handle: device handle
625 * @block_size: Block size of the volume
627 * @channel: target channel
628 * @volume_type: the raid level
629 * @device_info: bitfield provides detailed info about the hidden components
630 * @num_pds: number of hidden raid components
631 * @responding: used in _scsih_raid_device_mark_responding
632 * @percent_complete: resync percent complete
633 * @direct_io_enabled: Whether direct io to PDs are allowed or not
634 * @stripe_exponent: X where 2powX is the stripe sz in blocks
635 * @block_exponent: X where 2powX is the block sz in bytes
636 * @max_lba: Maximum number of LBA in the volume
637 * @stripe_sz: Stripe Size of the volume
638 * @device_info: Device info of the volume member disk
639 * @pd_handle: Array of handles of the physical drives for direct I/O in le16
641 #define MPT_MAX_WARPDRIVE_PDS 8
642 struct _raid_device {
643 struct list_head list;
644 struct scsi_target *starget;
645 struct scsi_device *sdev;
655 u8 direct_io_enabled;
661 u16 pd_handle[MPT_MAX_WARPDRIVE_PDS];
665 * struct _boot_device - boot device info
667 * @channel: sas, raid, or pcie channel
668 * @device: holds pointer for struct _sas_device, struct _raid_device or
669 * struct _pcie_device
671 struct _boot_device {
677 * struct _sas_port - wide/narrow sas port information
678 * @port_list: list of ports belonging to expander
679 * @num_phys: number of phys belonging to this port
680 * @remote_identify: attached device identification
681 * @rphy: sas transport rphy object
682 * @port: sas transport wide/narrow port object
683 * @phy_list: _sas_phy list objects belonging to this port
686 struct list_head port_list;
688 struct sas_identify remote_identify;
689 struct sas_rphy *rphy;
690 struct sas_port *port;
691 struct list_head phy_list;
695 * struct _sas_phy - phy information
696 * @port_siblings: list of phys belonging to a port
697 * @identify: phy identification
698 * @remote_identify: attached device identification
699 * @phy: sas transport phy object
700 * @phy_id: unique phy id
701 * @handle: device handle for this phy
702 * @attached_handle: device handle for attached device
703 * @phy_belongs_to_port: port has been created for this phy
706 struct list_head port_siblings;
707 struct sas_identify identify;
708 struct sas_identify remote_identify;
713 u8 phy_belongs_to_port;
717 * struct _sas_node - sas_host/expander information
718 * @list: list of expanders
719 * @parent_dev: parent device class
720 * @num_phys: number phys belonging to this sas_host/expander
721 * @sas_address: sas address of this sas_host/expander
722 * @handle: handle for this sas_host/expander
723 * @sas_address_parent: sas address of parent expander or sas host
724 * @enclosure_handle: handle for this a member of an enclosure
725 * @device_info: bitwise defining capabilities of this sas_host/expander
726 * @responding: used in _scsih_expander_device_mark_responding
727 * @phy: a list of phys that make up this sas_host/expander
728 * @sas_port_list: list of ports attached to this sas_host/expander
731 struct list_head list;
732 struct device *parent_dev;
736 u64 sas_address_parent;
737 u16 enclosure_handle;
738 u64 enclosure_logical_id;
740 struct _sas_phy *phy;
741 struct list_head sas_port_list;
745 * enum reset_type - reset state
746 * @FORCE_BIG_HAMMER: issue diagnostic reset
747 * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
755 * struct pcie_sg_list - PCIe SGL buffer (contiguous per I/O)
756 * @pcie_sgl: PCIe native SGL for NVMe devices
757 * @pcie_sgl_dma: physical address
759 struct pcie_sg_list {
761 dma_addr_t pcie_sgl_dma;
765 * struct chain_tracker - firmware chain tracker
766 * @chain_buffer: chain buffer
767 * @chain_buffer_dma: physical address
768 * @tracker_list: list of free request (ioc->free_chain_list)
770 struct chain_tracker {
772 dma_addr_t chain_buffer_dma;
773 struct list_head tracker_list;
777 * struct scsiio_tracker - scsi mf request tracker
778 * @smid: system message id
779 * @cb_idx: callback index
780 * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
781 * @chain_list: list of associated firmware chain tracker
782 * @msix_io: IO's msix
784 struct scsiio_tracker {
788 struct pcie_sg_list pcie_sg_list;
789 struct list_head chain_list;
794 * struct request_tracker - firmware request tracker
795 * @smid: system message id
796 * @cb_idx: callback index
797 * @tracker_list: list of free request (ioc->free_list)
799 struct request_tracker {
802 struct list_head tracker_list;
806 * struct _tr_list - target reset list
807 * @handle: device handle
808 * @state: state machine
811 struct list_head list;
817 * struct _sc_list - delayed SAS_IO_UNIT_CONTROL message list
818 * @handle: device handle
821 struct list_head list;
826 * struct _event_ack_list - delayed event acknowledgment list
828 * @EventContext: used to track the event uniquely
830 struct _event_ack_list {
831 struct list_head list;
837 * struct adapter_reply_queue - the reply queue struct
838 * @ioc: per adapter object
839 * @msix_index: msix index into vector table
840 * @vector: irq vector
841 * @reply_post_host_index: head index in the pool where FW completes IO
842 * @reply_post_free: reply post base virt address
843 * @name: the name registered to request_irq()
844 * @busy: isr is actively processing replies on another cpu
847 struct adapter_reply_queue {
848 struct MPT3SAS_ADAPTER *ioc;
850 u32 reply_post_host_index;
851 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
852 char name[MPT_NAME_LENGTH];
854 struct list_head list;
857 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
860 typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
861 struct scsi_cmnd *scmd, u16 smid, struct _pcie_device *pcie_device);
862 typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
863 dma_addr_t data_out_dma, size_t data_out_sz,
864 dma_addr_t data_in_dma, size_t data_in_sz);
865 typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
869 typedef void (*NVME_BUILD_PRP)(struct MPT3SAS_ADAPTER *ioc, u16 smid,
870 Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request,
871 dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
874 /* To support atomic and non atomic descriptors*/
875 typedef void (*PUT_SMID_IO_FP_HIP) (struct MPT3SAS_ADAPTER *ioc, u16 smid,
877 typedef void (*PUT_SMID_DEFAULT) (struct MPT3SAS_ADAPTER *ioc, u16 smid);
879 /* IOC Facts and Port Facts converted from little endian to cpu */
880 union mpi3_version_union {
881 MPI2_VERSION_STRUCT Struct;
885 struct mpt3sas_facts {
901 union mpi3_version_union FWVersion;
902 u16 IOCRequestFrameSize;
903 u16 IOCMaxChainSegmentSize;
909 u16 HighPriorityCredit;
910 u16 MaxReplyDescriptorPostQueueDepth;
914 u16 MaxPersistentEntries;
916 u8 CurrentHostPageSize;
919 struct mpt3sas_port_facts {
924 u16 MaxPostedCmdBuffers;
927 struct reply_post_struct {
928 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
929 dma_addr_t reply_post_free_dma;
932 typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
934 * struct MPT3SAS_ADAPTER - per adapter struct
936 * @shost: shost object
937 * @id: unique adapter id
938 * @cpu_count: number online cpus
939 * @name: generic ioc string
940 * @tmp_string: tmp string used for logging
941 * @pdev: pci pdev object
942 * @pio_chip: physical io register space
943 * @chip: memory mapped register space
944 * @chip_phys: physical addrss prior to mapping
945 * @logging_level: see mpt3sas_debug.h
946 * @fwfault_debug: debuging FW timeouts
947 * @ir_firmware: IR firmware present
948 * @bars: bitmask of BAR's that must be configured
949 * @mask_interrupts: ignore interrupt
950 * @dma_mask: used to set the consistent dma mask
951 * @pci_access_mutex: Mutex to synchronize ioctl, sysfs show path and
952 * pci resource handling
953 * @fault_reset_work_q_name: fw fault work queue
954 * @fault_reset_work_q: ""
955 * @fault_reset_work: ""
956 * @firmware_event_name: fw event work queue
957 * @firmware_event_thread: ""
959 * @fw_event_list: list of fw events
960 * @aen_event_read_flag: event log was read
961 * @broadcast_aen_busy: broadcast aen waiting to be serviced
962 * @shost_recovery: host reset in progress
963 * @ioc_reset_in_progress_lock:
964 * @ioc_link_reset_in_progress: phy/hard reset in progress
965 * @ignore_loginfos: ignore loginfos during task management
966 * @remove_host: flag for when driver unloads, to avoid sending dev resets
967 * @pci_error_recovery: flag to prevent ioc access until slot reset completes
968 * @wait_for_discovery_to_complete: flag set at driver load time when
969 * waiting on reporting devices
970 * @is_driver_loading: flag set at driver load time
971 * @port_enable_failed: flag set when port enable has failed
972 * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
973 * @start_scan_failed: means port enable failed, return's the ioc_status
974 * @msix_enable: flag indicating msix is enabled
975 * @msix_vector_count: number msix vectors
976 * @cpu_msix_table: table for mapping cpus to msix index
977 * @cpu_msix_table_sz: table size
978 * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
979 * @scsi_io_cb_idx: shost generated commands
980 * @tm_cb_idx: task management commands
981 * @scsih_cb_idx: scsih internal commands
982 * @transport_cb_idx: transport internal commands
983 * @ctl_cb_idx: clt internal commands
984 * @base_cb_idx: base internal commands
985 * @config_cb_idx: base internal commands
986 * @tm_tr_cb_idx : device removal target reset handshake
987 * @tm_tr_volume_cb_idx : volume removal target reset
994 * @base_add_sg_single: handler for either 32/64 bit sgl's
995 * @event_type: bits indicating which events to log
996 * @event_context: unique id for each logged event
997 * @event_log: event log pointer
998 * @event_masks: events that are masked
999 * @facts: static facts data
1000 * @pfacts: static port facts data
1001 * @manu_pg0: static manufacturing page 0
1002 * @manu_pg10: static manufacturing page 10
1003 * @manu_pg11: static manufacturing page 11
1004 * @bios_pg2: static bios page 2
1005 * @bios_pg3: static bios page 3
1006 * @ioc_pg8: static ioc page 8
1007 * @iounit_pg0: static iounit page 0
1008 * @iounit_pg1: static iounit page 1
1009 * @iounit_pg8: static iounit page 8
1010 * @sas_hba: sas host object
1011 * @sas_expander_list: expander object list
1013 * @sas_device_list: sas device object list
1014 * @sas_device_init_list: sas device object list (used only at init time)
1016 * @pcie_device_list: pcie device object list
1017 * @pcie_device_init_list: pcie device object list (used only at init time)
1018 * @pcie_device_lock:
1019 * @io_missing_delay: time for IO completed by fw when PDR enabled
1020 * @device_missing_delay: time for device missing by fw when PDR enabled
1021 * @sas_id : used for setting volume target IDs
1022 * @pcie_target_id: used for setting pcie target IDs
1023 * @blocking_handles: bitmask used to identify which devices need blocking
1024 * @pd_handles : bitmask for PD handles
1025 * @pd_handles_sz : size of pd_handle bitmask
1026 * @config_page_sz: config page size
1027 * @config_page: reserve memory for config page payload
1029 * @hba_queue_depth: hba request queue depth
1030 * @sge_size: sg element size for either 32/64 bit
1031 * @scsiio_depth: SCSI_IO queue depth
1032 * @request_sz: per request frame size
1033 * @request: pool of request frames
1036 * @scsi_lookup: firmware request tracker list
1037 * @scsi_lookup_lock:
1038 * @free_list: free list of request
1039 * @pending_io_count:
1041 * @chain: pool of chains
1043 * @max_sges_in_main_message: number sg elements in main message
1044 * @max_sges_in_chain_message: number sg elements per chain
1045 * @chains_needed_per_io: max chains per io
1046 * @chain_depth: total chains allocated
1047 * @chain_segment_sz: gives the max number of
1048 * SGEs accommodate on single chain buffer
1049 * @hi_priority_smid:
1052 * @hi_priority_depth:
1060 * @internal_free_list:
1061 * @sense: pool of sense
1064 * @reply_depth: hba reply queue depth:
1065 * @reply_sz: per reply frame size:
1066 * @reply: pool of replys:
1069 * @reply_free_queue_depth: reply free depth
1070 * @reply_free: pool for reply free queue (32 bit addr)
1072 * @reply_free_dma_pool:
1073 * @reply_free_host_index: tail index in pool to insert free replys
1074 * @reply_post_queue_depth: reply post queue depth
1075 * @reply_post_struct: struct for reply_post_free physical & virt address
1076 * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
1077 * @rdpq_array_enable: rdpq_array support is enabled in the driver
1078 * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
1079 * is assigned only ones
1080 * @reply_queue_count: number of reply queue's
1081 * @reply_queue_list: link list contaning the reply queue info
1082 * @msix96_vector: 96 MSI-X vector support
1083 * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue
1084 * @delayed_tr_list: target reset link list
1085 * @delayed_tr_volume_list: volume target reset link list
1087 * @delayed_event_ack_list:
1088 * @temp_sensors_count: flag to carry the number of temperature sensors
1089 * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
1090 * pci resource handling. PCI resource freeing will lead to free
1091 * vital hardware/memory resource, which might be in use by cli/sysfs
1092 * path functions resulting in Null pointer reference followed by kernel
1093 * crash. To avoid the above race condition we use mutex syncrhonization
1094 * which ensures the syncrhonization between cli/sysfs_show path.
1096 struct MPT3SAS_ADAPTER {
1097 struct list_head list;
1098 struct Scsi_Host *shost;
1101 char name[MPT_NAME_LENGTH];
1102 char driver_name[MPT_NAME_LENGTH - 8];
1103 char tmp_string[MPT_STRING_LENGTH];
1104 struct pci_dev *pdev;
1105 Mpi2SystemInterfaceRegs_t __iomem *chip;
1106 phys_addr_t chip_phys;
1114 /* fw fault handler */
1115 char fault_reset_work_q_name[20];
1116 struct workqueue_struct *fault_reset_work_q;
1117 struct delayed_work fault_reset_work;
1119 /* fw event handler */
1120 char firmware_event_name[20];
1121 struct workqueue_struct *firmware_event_thread;
1122 spinlock_t fw_event_lock;
1123 struct list_head fw_event_list;
1126 int aen_event_read_flag;
1127 u8 broadcast_aen_busy;
1128 u16 broadcast_aen_pending;
1130 u8 got_task_abort_from_ioctl;
1132 struct mutex reset_in_progress_mutex;
1133 spinlock_t ioc_reset_in_progress_lock;
1134 u8 ioc_link_reset_in_progress;
1135 u8 ioc_reset_in_progress_status;
1139 u8 pci_error_recovery;
1140 u8 wait_for_discovery_to_complete;
1141 u8 is_driver_loading;
1142 u8 port_enable_failed;
1144 u16 start_scan_failed;
1147 u16 msix_vector_count;
1149 u16 cpu_msix_table_sz;
1150 resource_size_t __iomem **reply_post_host_index;
1151 u32 ioc_reset_count;
1152 MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
1153 u32 non_operational_loop;
1155 /* internal commands, callback index */
1158 u8 transport_cb_idx;
1162 u8 port_enable_cb_idx;
1165 u8 tm_tr_volume_cb_idx;
1166 u8 tm_sas_control_cb_idx;
1167 struct _internal_cmd base_cmds;
1168 struct _internal_cmd port_enable_cmds;
1169 struct _internal_cmd transport_cmds;
1170 struct _internal_cmd scsih_cmds;
1171 struct _internal_cmd tm_cmds;
1172 struct _internal_cmd ctl_cmds;
1173 struct _internal_cmd config_cmds;
1175 MPT_ADD_SGE base_add_sg_single;
1177 /* function ptr for either IEEE or MPI sg elements */
1178 MPT_BUILD_SG_SCMD build_sg_scmd;
1179 MPT_BUILD_SG build_sg;
1180 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
1182 u16 hba_mpi_version_belonged;
1184 /* function ptr for MPI sg elements only */
1185 MPT_BUILD_SG build_sg_mpi;
1186 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
1188 /* function ptr for NVMe PRP elements only */
1189 NVME_BUILD_PRP build_nvme_prp;
1192 u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1195 u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1197 /* static config pages */
1198 struct mpt3sas_facts facts;
1199 struct mpt3sas_port_facts *pfacts;
1200 Mpi2ManufacturingPage0_t manu_pg0;
1201 struct Mpi2ManufacturingPage10_t manu_pg10;
1202 struct Mpi2ManufacturingPage11_t manu_pg11;
1203 Mpi2BiosPage2_t bios_pg2;
1204 Mpi2BiosPage3_t bios_pg3;
1205 Mpi2IOCPage8_t ioc_pg8;
1206 Mpi2IOUnitPage0_t iounit_pg0;
1207 Mpi2IOUnitPage1_t iounit_pg1;
1208 Mpi2IOUnitPage8_t iounit_pg8;
1210 struct _boot_device req_boot_device;
1211 struct _boot_device req_alt_boot_device;
1212 struct _boot_device current_boot_device;
1214 /* sas hba, expander, and device list */
1215 struct _sas_node sas_hba;
1216 struct list_head sas_expander_list;
1217 spinlock_t sas_node_lock;
1218 struct list_head sas_device_list;
1219 struct list_head sas_device_init_list;
1220 spinlock_t sas_device_lock;
1221 struct list_head pcie_device_list;
1222 struct list_head pcie_device_init_list;
1223 spinlock_t pcie_device_lock;
1225 struct list_head raid_device_list;
1226 spinlock_t raid_device_lock;
1227 u8 io_missing_delay;
1228 u16 device_missing_delay;
1232 void *blocking_handles;
1236 void *pend_os_device_add;
1237 u16 pend_os_device_add_sz;
1242 dma_addr_t config_page_dma;
1245 /* scsiio request */
1246 u16 hba_queue_depth;
1251 dma_addr_t request_dma;
1253 struct pcie_sg_list *pcie_sg_lookup;
1254 spinlock_t scsi_lookup_lock;
1255 int pending_io_count;
1256 wait_queue_head_t reset_wq;
1259 struct dma_pool *pcie_sgl_dma_pool;
1260 /* Host Page Size */
1264 struct chain_tracker *chain_lookup;
1265 struct list_head free_chain_list;
1266 struct dma_pool *chain_dma_pool;
1268 u16 max_sges_in_main_message;
1269 u16 max_sges_in_chain_message;
1270 u16 chains_needed_per_io;
1272 u16 chain_segment_sz;
1273 u16 chains_per_prp_buffer;
1275 /* hi-priority queue */
1276 u16 hi_priority_smid;
1278 dma_addr_t hi_priority_dma;
1279 u16 hi_priority_depth;
1280 struct request_tracker *hpr_lookup;
1281 struct list_head hpr_free_list;
1283 /* internal queue */
1286 dma_addr_t internal_dma;
1288 struct request_tracker *internal_lookup;
1289 struct list_head internal_free_list;
1293 dma_addr_t sense_dma;
1294 struct dma_pool *sense_dma_pool;
1299 dma_addr_t reply_dma;
1300 u32 reply_dma_max_address;
1301 u32 reply_dma_min_address;
1302 struct dma_pool *reply_dma_pool;
1304 /* reply free queue */
1305 u16 reply_free_queue_depth;
1307 dma_addr_t reply_free_dma;
1308 struct dma_pool *reply_free_dma_pool;
1309 u32 reply_free_host_index;
1311 /* reply post queue */
1312 u16 reply_post_queue_depth;
1313 struct reply_post_struct *reply_post;
1314 u8 rdpq_array_capable;
1315 u8 rdpq_array_enable;
1316 u8 rdpq_array_enable_assigned;
1317 struct dma_pool *reply_post_free_dma_pool;
1318 u8 reply_queue_count;
1319 struct list_head reply_queue_list;
1321 u8 combined_reply_queue;
1322 u8 combined_reply_index_count;
1323 /* reply post register index */
1324 resource_size_t **replyPostRegisterIndex;
1326 struct list_head delayed_tr_list;
1327 struct list_head delayed_tr_volume_list;
1328 struct list_head delayed_sc_list;
1329 struct list_head delayed_event_ack_list;
1330 u8 temp_sensors_count;
1331 struct mutex pci_access_mutex;
1333 /* diag buffer support */
1334 u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1335 u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1336 dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1337 u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1338 u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1339 u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1340 u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1341 u32 ring_buffer_offset;
1344 u8 is_mcpu_endpoint;
1346 u8 mfg_pg10_hide_flag;
1348 spinlock_t diag_trigger_lock;
1349 u8 diag_trigger_active;
1350 struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
1351 struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
1352 struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
1353 struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
1354 void *device_remove_in_progress;
1355 u16 device_remove_in_progress_sz;
1357 PUT_SMID_IO_FP_HIP put_smid_scsi_io;
1361 typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1365 /* base shared API */
1366 extern struct list_head mpt3sas_ioc_list;
1367 extern char driver_name[MPT_NAME_LENGTH];
1368 /* spinlock on list operations over IOCs
1369 * Case: when multiple warpdrive cards(IOCs) are in use
1370 * Each IOC will added to the ioc list structure on initialization.
1371 * Watchdog threads run at regular intervals to check IOC for any
1372 * fault conditions which will trigger the dead_ioc thread to
1373 * deallocate pci resource, resulting deleting the IOC netry from list,
1374 * this deletion need to protected by spinlock to enusre that
1375 * ioc removal is syncrhonized, if not synchronized it might lead to
1376 * list_del corruption as the ioc list is traversed in cli path.
1378 extern spinlock_t gioc_lock;
1380 void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
1381 void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
1383 int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
1384 void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
1385 int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
1386 void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
1387 int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
1388 enum reset_type type);
1390 void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1391 void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1392 __le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
1394 void *mpt3sas_base_get_pcie_sgl(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1395 dma_addr_t mpt3sas_base_get_pcie_sgl_dma(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1396 void mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc);
1398 void mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1400 void mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1402 void mpt3sas_base_put_smid_nvme_encap(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1403 void mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1404 /* hi-priority queue */
1405 u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1406 u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
1407 struct scsi_cmnd *scmd);
1408 void mpt3sas_base_clear_st(struct MPT3SAS_ADAPTER *ioc,
1409 struct scsiio_tracker *st);
1411 u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1412 void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1413 void mpt3sas_base_initialize_callback_handler(void);
1414 u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1415 void mpt3sas_base_release_callback_handler(u8 cb_idx);
1417 u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1419 u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1420 u8 msix_index, u32 reply);
1421 void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
1424 u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
1426 void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
1427 int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
1428 Mpi2SasIoUnitControlReply_t *mpi_reply,
1429 Mpi2SasIoUnitControlRequest_t *mpi_request);
1430 int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
1431 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1433 void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
1436 void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
1438 void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
1439 u16 device_missing_delay, u8 io_missing_delay);
1441 int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
1444 mpt3sas_wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc);
1447 /* scsih shared API */
1448 struct scsi_cmnd *mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc,
1450 u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
1452 void mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1454 int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1455 u64 lun, u8 type, u16 smid_task, u16 msix_task, ulong timeout);
1456 int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1457 u64 lun, u8 type, u16 smid_task, u16 msix_task, ulong timeout);
1459 void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1460 void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1461 void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1462 void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1464 u8 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc,
1467 struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1468 struct MPT3SAS_ADAPTER *ioc, u16 handle);
1469 struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1470 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1471 struct _sas_device *mpt3sas_get_sdev_by_addr(
1472 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1473 struct _sas_device *__mpt3sas_get_sdev_by_addr(
1474 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1475 struct _sas_device *mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1477 struct _pcie_device *mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1480 void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
1481 struct _raid_device *
1482 mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1484 /* config shared API */
1485 u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1487 int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1489 int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1490 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1491 int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1492 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1494 int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1495 Mpi2ConfigReply_t *mpi_reply,
1496 struct Mpi2ManufacturingPage10_t *config_page);
1498 int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1499 Mpi2ConfigReply_t *mpi_reply,
1500 struct Mpi2ManufacturingPage11_t *config_page);
1501 int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1502 Mpi2ConfigReply_t *mpi_reply,
1503 struct Mpi2ManufacturingPage11_t *config_page);
1505 int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1506 *mpi_reply, Mpi2BiosPage2_t *config_page);
1507 int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1508 *mpi_reply, Mpi2BiosPage3_t *config_page);
1509 int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1510 *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1511 int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1512 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1513 u32 form, u32 handle);
1514 int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1515 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1516 u32 form, u32 handle);
1517 int mpt3sas_config_get_pcie_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1518 Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage0_t *config_page,
1519 u32 form, u32 handle);
1520 int mpt3sas_config_get_pcie_device_pg2(struct MPT3SAS_ADAPTER *ioc,
1521 Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage2_t *config_page,
1522 u32 form, u32 handle);
1523 int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1524 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1526 int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1527 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1528 int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc,
1529 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
1530 int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1531 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1532 int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1533 *mpi_reply, Mpi2IOUnitPage8_t *config_page);
1534 int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1535 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1537 int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1538 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1540 int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1541 *mpi_reply, Mpi2IOCPage8_t *config_page);
1542 int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1543 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1544 u32 form, u32 handle);
1545 int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1546 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1547 u32 phy_number, u16 handle);
1548 int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1549 Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1550 u32 form, u32 handle);
1551 int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1552 *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1553 int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1554 *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1555 int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1556 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1558 int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1560 int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1561 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1562 u32 handle, u16 sz);
1563 int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1564 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1565 u32 form, u32 form_specific);
1566 int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1567 u16 *volume_handle);
1568 int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1569 u16 volume_handle, u64 *wwid);
1571 /* ctl shared API */
1572 extern struct device_attribute *mpt3sas_host_attrs[];
1573 extern struct device_attribute *mpt3sas_dev_attrs[];
1574 void mpt3sas_ctl_init(ushort hbas_to_enumerate);
1575 void mpt3sas_ctl_exit(ushort hbas_to_enumerate);
1576 u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1578 void mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
1579 u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1580 u8 msix_index, u32 reply);
1581 void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1582 Mpi2EventNotificationReply_t *mpi_reply);
1584 void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1585 u8 bits_to_register);
1586 int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1589 /* transport shared API */
1590 extern struct scsi_transport_template *mpt3sas_transport_template;
1591 u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1593 struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
1594 u16 handle, u64 sas_address);
1595 void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1596 u64 sas_address_parent);
1597 int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
1598 *mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1599 int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
1600 struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
1601 struct device *parent_dev);
1602 void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
1603 u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1604 extern struct sas_function_template mpt3sas_transport_functions;
1605 extern struct scsi_transport_template *mpt3sas_transport_template;
1606 /* trigger data externs */
1607 void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
1608 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1609 void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
1610 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1611 void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
1612 u32 tigger_bitmask);
1613 void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
1614 u16 log_entry_qualifier);
1615 void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
1617 void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
1620 /* warpdrive APIs */
1621 u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc);
1622 void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc,
1623 struct _raid_device *raid_device);
1625 mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
1626 struct _raid_device *raid_device, Mpi25SCSIIORequest_t *mpi_request);
1628 /* NCQ Prio Handling Check */
1629 bool scsih_ncq_prio_supp(struct scsi_device *sdev);
1631 #endif /* MPT3SAS_BASE_H_INCLUDED */