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"
58 #include "mpi/mpi2_image.h"
60 #include <scsi/scsi.h>
61 #include <scsi/scsi_cmnd.h>
62 #include <scsi/scsi_device.h>
63 #include <scsi/scsi_host.h>
64 #include <scsi/scsi_tcq.h>
65 #include <scsi/scsi_transport_sas.h>
66 #include <scsi/scsi_dbg.h>
67 #include <scsi/scsi_eh.h>
68 #include <linux/pci.h>
69 #include <linux/poll.h>
70 #include <linux/irq_poll.h>
72 #include "mpt3sas_debug.h"
73 #include "mpt3sas_trigger_diag.h"
75 /* driver versioning info */
76 #define MPT3SAS_DRIVER_NAME "mpt3sas"
77 #define MPT3SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>"
78 #define MPT3SAS_DESCRIPTION "LSI MPT Fusion SAS 3.0 Device Driver"
79 #define MPT3SAS_DRIVER_VERSION "32.100.00.00"
80 #define MPT3SAS_MAJOR_VERSION 32
81 #define MPT3SAS_MINOR_VERSION 100
82 #define MPT3SAS_BUILD_VERSION 0
83 #define MPT3SAS_RELEASE_VERSION 00
85 #define MPT2SAS_DRIVER_NAME "mpt2sas"
86 #define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver"
87 #define MPT2SAS_DRIVER_VERSION "20.102.00.00"
88 #define MPT2SAS_MAJOR_VERSION 20
89 #define MPT2SAS_MINOR_VERSION 102
90 #define MPT2SAS_BUILD_VERSION 0
91 #define MPT2SAS_RELEASE_VERSION 00
94 * Set MPT3SAS_SG_DEPTH value based on user input.
96 #define MPT_MAX_PHYS_SEGMENTS SG_CHUNK_SIZE
97 #define MPT_MIN_PHYS_SEGMENTS 16
98 #define MPT_KDUMP_MIN_PHYS_SEGMENTS 32
100 #define MCPU_MAX_CHAINS_PER_IO 3
102 #ifdef CONFIG_SCSI_MPT3SAS_MAX_SGE
103 #define MPT3SAS_SG_DEPTH CONFIG_SCSI_MPT3SAS_MAX_SGE
105 #define MPT3SAS_SG_DEPTH MPT_MAX_PHYS_SEGMENTS
108 #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
109 #define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE
111 #define MPT2SAS_SG_DEPTH MPT_MAX_PHYS_SEGMENTS
117 #define MPT3SAS_SATA_QUEUE_DEPTH 32
118 #define MPT3SAS_SAS_QUEUE_DEPTH 254
119 #define MPT3SAS_RAID_QUEUE_DEPTH 128
120 #define MPT3SAS_KDUMP_SCSI_IO_DEPTH 200
122 #define MPT3SAS_RAID_MAX_SECTORS 8192
123 #define MPT3SAS_HOST_PAGE_SIZE_4K 12
124 #define MPT3SAS_NVME_QUEUE_DEPTH 128
125 #define MPT_NAME_LENGTH 32 /* generic length of strings */
126 #define MPT_STRING_LENGTH 64
127 #define MPI_FRAME_START_OFFSET 256
128 #define REPLY_FREE_POOL_SIZE 512 /*(32 maxcredix *4)*(4 times)*/
130 #define MPT_MAX_CALLBACKS 32
132 #define INTERNAL_CMDS_COUNT 10 /* reserved cmds */
133 /* reserved for issuing internally framed scsi io cmds */
134 #define INTERNAL_SCSIIO_CMDS_COUNT 3
136 #define MPI3_HIM_MASK 0xFFFFFFFF /* mask every bit*/
138 #define MPT3SAS_INVALID_DEVICE_HANDLE 0xFFFF
140 #define MAX_CHAIN_ELEMT_SZ 16
141 #define DEFAULT_NUM_FWCHAIN_ELEMTS 8
143 #define FW_IMG_HDR_READ_TIMEOUT 15
145 #define IOC_OPERATIONAL_WAIT_COUNT 10
150 #define NVME_PRP_SIZE 8 /* PRP size */
151 #define NVME_ERROR_RESPONSE_SIZE 16 /* Max NVME Error Response */
152 #define NVME_TASK_ABORT_MIN_TIMEOUT 6
153 #define NVME_TASK_ABORT_MAX_TIMEOUT 60
154 #define NVME_TASK_MNGT_CUSTOM_MASK (0x0010)
155 #define NVME_PRP_PAGE_SIZE 4096 /* Page size */
157 struct mpt3sas_nvme_cmd {
166 #define ioc_err(ioc, fmt, ...) \
167 pr_err("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
168 #define ioc_notice(ioc, fmt, ...) \
169 pr_notice("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
170 #define ioc_warn(ioc, fmt, ...) \
171 pr_warn("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
172 #define ioc_info(ioc, fmt, ...) \
173 pr_info("%s: " fmt, (ioc)->name, ##__VA_ARGS__)
176 * WarpDrive Specific Log codes
179 #define MPT2_WARPDRIVE_LOGENTRY (0x8002)
180 #define MPT2_WARPDRIVE_LC_SSDT (0x41)
181 #define MPT2_WARPDRIVE_LC_SSDLW (0x43)
182 #define MPT2_WARPDRIVE_LC_SSDLF (0x44)
183 #define MPT2_WARPDRIVE_LC_BRMF (0x4D)
186 * per target private data
188 #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
189 #define MPT_TARGET_FLAGS_VOLUME 0x02
190 #define MPT_TARGET_FLAGS_DELETED 0x04
191 #define MPT_TARGET_FASTPATH_IO 0x08
192 #define MPT_TARGET_FLAGS_PCIE_DEVICE 0x10
194 #define SAS2_PCI_DEVICE_B0_REVISION (0x01)
195 #define SAS3_PCI_DEVICE_C0_REVISION (0x02)
197 /* Atlas PCIe Switch Management Port */
198 #define MPI26_ATLAS_PCIe_SWITCH_DEVID (0x00B2)
203 #define MPT2SAS_INTEL_RMS25JB080_BRANDING \
204 "Intel(R) Integrated RAID Module RMS25JB080"
205 #define MPT2SAS_INTEL_RMS25JB040_BRANDING \
206 "Intel(R) Integrated RAID Module RMS25JB040"
207 #define MPT2SAS_INTEL_RMS25KB080_BRANDING \
208 "Intel(R) Integrated RAID Module RMS25KB080"
209 #define MPT2SAS_INTEL_RMS25KB040_BRANDING \
210 "Intel(R) Integrated RAID Module RMS25KB040"
211 #define MPT2SAS_INTEL_RMS25LB040_BRANDING \
212 "Intel(R) Integrated RAID Module RMS25LB040"
213 #define MPT2SAS_INTEL_RMS25LB080_BRANDING \
214 "Intel(R) Integrated RAID Module RMS25LB080"
215 #define MPT2SAS_INTEL_RMS2LL080_BRANDING \
216 "Intel Integrated RAID Module RMS2LL080"
217 #define MPT2SAS_INTEL_RMS2LL040_BRANDING \
218 "Intel Integrated RAID Module RMS2LL040"
219 #define MPT2SAS_INTEL_RS25GB008_BRANDING \
220 "Intel(R) RAID Controller RS25GB008"
221 #define MPT2SAS_INTEL_SSD910_BRANDING \
222 "Intel(R) SSD 910 Series"
224 #define MPT3SAS_INTEL_RMS3JC080_BRANDING \
225 "Intel(R) Integrated RAID Module RMS3JC080"
226 #define MPT3SAS_INTEL_RS3GC008_BRANDING \
227 "Intel(R) RAID Controller RS3GC008"
228 #define MPT3SAS_INTEL_RS3FC044_BRANDING \
229 "Intel(R) RAID Controller RS3FC044"
230 #define MPT3SAS_INTEL_RS3UC080_BRANDING \
231 "Intel(R) RAID Controller RS3UC080"
236 #define MPT2SAS_INTEL_RMS25JB080_SSDID 0x3516
237 #define MPT2SAS_INTEL_RMS25JB040_SSDID 0x3517
238 #define MPT2SAS_INTEL_RMS25KB080_SSDID 0x3518
239 #define MPT2SAS_INTEL_RMS25KB040_SSDID 0x3519
240 #define MPT2SAS_INTEL_RMS25LB040_SSDID 0x351A
241 #define MPT2SAS_INTEL_RMS25LB080_SSDID 0x351B
242 #define MPT2SAS_INTEL_RMS2LL080_SSDID 0x350E
243 #define MPT2SAS_INTEL_RMS2LL040_SSDID 0x350F
244 #define MPT2SAS_INTEL_RS25GB008_SSDID 0x3000
245 #define MPT2SAS_INTEL_SSD910_SSDID 0x3700
247 #define MPT3SAS_INTEL_RMS3JC080_SSDID 0x3521
248 #define MPT3SAS_INTEL_RS3GC008_SSDID 0x3522
249 #define MPT3SAS_INTEL_RS3FC044_SSDID 0x3523
250 #define MPT3SAS_INTEL_RS3UC080_SSDID 0x3524
255 #define MPT2SAS_DELL_BRANDING_SIZE 32
257 #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA"
258 #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter"
259 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
260 #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular"
261 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded"
262 #define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200"
263 #define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS"
265 #define MPT3SAS_DELL_12G_HBA_BRANDING \
271 #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C
272 #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D
273 #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
274 #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F
275 #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20
276 #define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21
277 #define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22
279 #define MPT3SAS_DELL_12G_HBA_SSDID 0x1F46
284 #define MPT3SAS_CISCO_12G_8E_HBA_BRANDING \
285 "Cisco 9300-8E 12G SAS HBA"
286 #define MPT3SAS_CISCO_12G_8I_HBA_BRANDING \
287 "Cisco 9300-8i 12G SAS HBA"
288 #define MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING \
289 "Cisco 12G Modular SAS Pass through Controller"
290 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING \
291 "UCS C3X60 12G SAS Pass through Controller"
295 #define MPT3SAS_CISCO_12G_8E_HBA_SSDID 0x14C
296 #define MPT3SAS_CISCO_12G_8I_HBA_SSDID 0x154
297 #define MPT3SAS_CISCO_12G_AVILA_HBA_SSDID 0x155
298 #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID 0x156
301 * status bits for ioc->diag_buffer_status
303 #define MPT3_DIAG_BUFFER_IS_REGISTERED (0x01)
304 #define MPT3_DIAG_BUFFER_IS_RELEASED (0x02)
305 #define MPT3_DIAG_BUFFER_IS_DIAG_RESET (0x04)
306 #define MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED (0x08)
307 #define MPT3_DIAG_BUFFER_IS_APP_OWNED (0x10)
312 #define MPT2SAS_HP_3PAR_SSVID 0x1590
314 #define MPT2SAS_HP_2_4_INTERNAL_BRANDING \
315 "HP H220 Host Bus Adapter"
316 #define MPT2SAS_HP_2_4_EXTERNAL_BRANDING \
317 "HP H221 Host Bus Adapter"
318 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING \
319 "HP H222 Host Bus Adapter"
320 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING \
321 "HP H220i Host Bus Adapter"
322 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING \
323 "HP H210i Host Bus Adapter"
328 #define MPT2SAS_HP_2_4_INTERNAL_SSDID 0x0041
329 #define MPT2SAS_HP_2_4_EXTERNAL_SSDID 0x0042
330 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID 0x0043
331 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID 0x0044
332 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID 0x0046
335 * Combined Reply Queue constants,
336 * There are twelve Supplemental Reply Post Host Index Registers
337 * and each register is at offset 0x10 bytes from the previous one.
339 #define MAX_COMBINED_MSIX_VECTORS(gen35) ((gen35 == 1) ? 16 : 8)
340 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3 12
341 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35 16
342 #define MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET (0x10)
344 /* OEM Identifiers */
345 #define MFG10_OEM_ID_INVALID (0x00000000)
346 #define MFG10_OEM_ID_DELL (0x00000001)
347 #define MFG10_OEM_ID_FSC (0x00000002)
348 #define MFG10_OEM_ID_SUN (0x00000003)
349 #define MFG10_OEM_ID_IBM (0x00000004)
352 #define MFG10_GF0_OCE_DISABLED (0x00000001)
353 #define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002)
354 #define MFG10_GF0_R10_DISPLAY (0x00000004)
355 #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008)
356 #define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010)
358 #define VIRTUAL_IO_FAILED_RETRY (0x32010081)
360 /* High IOPs definitions */
361 #define MPT3SAS_DEVICE_HIGH_IOPS_DEPTH 8
362 #define MPT3SAS_HIGH_IOPS_REPLY_QUEUES 8
363 #define MPT3SAS_HIGH_IOPS_BATCH_COUNT 16
364 #define MPT3SAS_GEN35_MAX_MSIX_QUEUES 128
366 /* OEM Specific Flags will come from OEM specific header files */
367 struct Mpi2ManufacturingPage10_t {
368 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
369 U8 OEMIdentifier; /* 04h */
370 U8 Reserved1; /* 05h */
371 U16 Reserved2; /* 08h */
372 U32 Reserved3; /* 0Ch */
373 U32 GenericFlags0; /* 10h */
374 U32 GenericFlags1; /* 14h */
375 U32 Reserved4; /* 18h */
376 U32 OEMSpecificFlags0; /* 1Ch */
377 U32 OEMSpecificFlags1; /* 20h */
378 U32 Reserved5[18]; /* 24h - 60h*/
382 /* Miscellaneous options */
383 struct Mpi2ManufacturingPage11_t {
384 MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
385 __le32 Reserved1; /* 04h */
386 u8 Reserved2; /* 08h */
387 u8 EEDPTagMode; /* 09h */
388 u8 Reserved3; /* 0Ah */
389 u8 Reserved4; /* 0Bh */
390 __le32 Reserved5[8]; /* 0Ch-2Ch */
391 u16 AddlFlags2; /* 2Ch */
392 u8 AddlFlags3; /* 2Eh */
393 u8 Reserved6; /* 2Fh */
394 __le32 Reserved7[7]; /* 30h - 4Bh */
395 u8 NVMeAbortTO; /* 4Ch */
396 u8 NumPerDevEvents; /* 4Dh */
397 u8 HostTraceBufferDecrementSizeKB; /* 4Eh */
398 u8 HostTraceBufferFlags; /* 4Fh */
399 u16 HostTraceBufferMaxSizeKB; /* 50h */
400 u16 HostTraceBufferMinSizeKB; /* 52h */
401 __le32 Reserved10[2]; /* 54h - 5Bh */
405 * struct MPT3SAS_TARGET - starget private hostdata
406 * @starget: starget object
407 * @sas_address: target sas address
408 * @raid_device: raid_device pointer to access volume data
409 * @handle: device handle
410 * @num_luns: number luns
411 * @flags: MPT_TARGET_FLAGS_XXX flags
412 * @deleted: target flaged for deletion
413 * @tm_busy: target is busy with TM request.
414 * @sas_dev: The sas_device associated with this target
415 * @pcie_dev: The pcie device associated with this target
417 struct MPT3SAS_TARGET {
418 struct scsi_target *starget;
420 struct _raid_device *raid_device;
426 struct _sas_device *sas_dev;
427 struct _pcie_device *pcie_dev;
432 * per device private data
434 #define MPT_DEVICE_FLAGS_INIT 0x01
436 #define MFG_PAGE10_HIDE_SSDS_MASK (0x00000003)
437 #define MFG_PAGE10_HIDE_ALL_DISKS (0x00)
438 #define MFG_PAGE10_EXPOSE_ALL_DISKS (0x01)
439 #define MFG_PAGE10_HIDE_IF_VOL_PRESENT (0x02)
442 * struct MPT3SAS_DEVICE - sdev private hostdata
443 * @sas_target: starget private hostdata
445 * @flags: MPT_DEVICE_XXX flags
446 * @configured_lun: lun is configured
447 * @block: device is in SDEV_BLOCK state
448 * @tlr_snoop_check: flag used in determining whether to disable TLR
449 * @eedp_enable: eedp support enable bit
450 * @eedp_type: 0(type_1), 1(type_2), 2(type_3)
451 * @eedp_block_length: block size
452 * @ata_command_pending: SATL passthrough outstanding for device
454 struct MPT3SAS_DEVICE {
455 struct MPT3SAS_TARGET *sas_target;
461 u8 ignore_delay_remove;
462 /* Iopriority Command Handling */
465 * Bug workaround for SATL handling: the mpt2/3sas firmware
466 * doesn't return BUSY or TASK_SET_FULL for subsequent
467 * commands while a SATL pass through is in operation as the
468 * spec requires, it simply does nothing with them until the
469 * pass through completes, causing them possibly to timeout if
470 * the passthrough is a long executing command (like format or
471 * secure erase). This variable allows us to do the right
472 * thing while a SATL command is pending.
474 unsigned long ata_command_pending;
478 #define MPT3_CMD_NOT_USED 0x8000 /* free */
479 #define MPT3_CMD_COMPLETE 0x0001 /* completed */
480 #define MPT3_CMD_PENDING 0x0002 /* pending */
481 #define MPT3_CMD_REPLY_VALID 0x0004 /* reply is valid */
482 #define MPT3_CMD_RESET 0x0008 /* host reset dropped the command */
485 * struct _internal_cmd - internal commands struct
488 * @reply: reply message pointer
490 * @status: MPT3_CMD_XXX status
491 * @smid: system message id
493 struct _internal_cmd {
495 struct completion done;
505 * struct _sas_device - attached device information
506 * @list: sas device list
507 * @starget: starget object
508 * @sas_address: device sas address
509 * @device_name: retrieved from the SAS IDENTIFY frame.
510 * @handle: device handle
511 * @sas_address_parent: sas address of parent expander or sas host
512 * @enclosure_handle: enclosure handle
513 * @enclosure_logical_id: enclosure logical identifier
514 * @volume_handle: volume handle (valid when hidden raid member)
515 * @volume_wwid: volume unique identifier
516 * @device_info: bitfield provides detailed info about the device
518 * @channel: target channel
519 * @slot: number number
520 * @phy: phy identifier provided in sas device page 0
521 * @responding: used in _scsih_sas_device_mark_responding
522 * @fast_path: fast path feature enable bit
523 * @pfa_led_on: flag for PFA LED status
524 * @pend_sas_rphy_add: flag to check if device is in sas_rphy_add()
526 * @chassis_slot: chassis slot
527 * @is_chassis_slot_valid: chassis slot valid or not
530 struct list_head list;
531 struct scsi_target *starget;
535 u64 sas_address_parent;
536 u16 enclosure_handle;
537 u64 enclosure_logical_id;
548 u8 pend_sas_rphy_add;
551 u8 is_chassis_slot_valid;
552 u8 connector_name[5];
553 struct kref refcount;
556 static inline void sas_device_get(struct _sas_device *s)
558 kref_get(&s->refcount);
561 static inline void sas_device_free(struct kref *r)
563 kfree(container_of(r, struct _sas_device, refcount));
566 static inline void sas_device_put(struct _sas_device *s)
568 kref_put(&s->refcount, sas_device_free);
572 * struct _pcie_device - attached PCIe device information
573 * @list: pcie device list
574 * @starget: starget object
576 * @handle: device handle
577 * @device_info: bitfield provides detailed info about the device
579 * @channel: target channel
581 * @port_num: port number
582 * @responding: used in _scsih_pcie_device_mark_responding
583 * @fast_path: fast path feature enable bit
584 * @nvme_mdts: MaximumDataTransferSize from PCIe Device Page 2 for
586 * @enclosure_handle: enclosure handle
587 * @enclosure_logical_id: enclosure logical identifier
588 * @enclosure_level: The level of device's enclosure from the controller
589 * @connector_name: ASCII value of the Connector's name
590 * @serial_number: pointer of serial number string allocated runtime
591 * @access_status: Device's Access Status
592 * @refcount: reference count for deletion
594 struct _pcie_device {
595 struct list_head list;
596 struct scsi_target *starget;
607 u16 enclosure_handle;
608 u64 enclosure_logical_id;
610 u8 connector_name[4];
614 struct kref refcount;
617 * pcie_device_get - Increment the pcie device reference count
619 * @p: pcie_device object
621 * When ever this function called it will increment the
622 * reference count of the pcie device for which this function called.
625 static inline void pcie_device_get(struct _pcie_device *p)
627 kref_get(&p->refcount);
631 * pcie_device_free - Release the pcie device object
634 * Free's the pcie device object. It will be called when reference count
637 static inline void pcie_device_free(struct kref *r)
639 kfree(container_of(r, struct _pcie_device, refcount));
643 * pcie_device_put - Decrement the pcie device reference count
645 * @p: pcie_device object
647 * When ever this function called it will decrement the
648 * reference count of the pcie device for which this function called.
650 * When refernce count reaches to Zero, this will call pcie_device_free to the
651 * pcie_device object.
653 static inline void pcie_device_put(struct _pcie_device *p)
655 kref_put(&p->refcount, pcie_device_free);
658 * struct _raid_device - raid volume link list
659 * @list: sas device list
660 * @starget: starget object
661 * @sdev: scsi device struct (volumes are single lun)
662 * @wwid: unique identifier for the volume
663 * @handle: device handle
664 * @block_size: Block size of the volume
666 * @channel: target channel
667 * @volume_type: the raid level
668 * @device_info: bitfield provides detailed info about the hidden components
669 * @num_pds: number of hidden raid components
670 * @responding: used in _scsih_raid_device_mark_responding
671 * @percent_complete: resync percent complete
672 * @direct_io_enabled: Whether direct io to PDs are allowed or not
673 * @stripe_exponent: X where 2powX is the stripe sz in blocks
674 * @block_exponent: X where 2powX is the block sz in bytes
675 * @max_lba: Maximum number of LBA in the volume
676 * @stripe_sz: Stripe Size of the volume
677 * @device_info: Device info of the volume member disk
678 * @pd_handle: Array of handles of the physical drives for direct I/O in le16
680 #define MPT_MAX_WARPDRIVE_PDS 8
681 struct _raid_device {
682 struct list_head list;
683 struct scsi_target *starget;
684 struct scsi_device *sdev;
694 u8 direct_io_enabled;
700 u16 pd_handle[MPT_MAX_WARPDRIVE_PDS];
704 * struct _boot_device - boot device info
706 * @channel: sas, raid, or pcie channel
707 * @device: holds pointer for struct _sas_device, struct _raid_device or
708 * struct _pcie_device
710 struct _boot_device {
716 * struct _sas_port - wide/narrow sas port information
717 * @port_list: list of ports belonging to expander
718 * @num_phys: number of phys belonging to this port
719 * @remote_identify: attached device identification
720 * @rphy: sas transport rphy object
721 * @port: sas transport wide/narrow port object
722 * @phy_list: _sas_phy list objects belonging to this port
725 struct list_head port_list;
727 struct sas_identify remote_identify;
728 struct sas_rphy *rphy;
729 struct sas_port *port;
730 struct list_head phy_list;
734 * struct _sas_phy - phy information
735 * @port_siblings: list of phys belonging to a port
736 * @identify: phy identification
737 * @remote_identify: attached device identification
738 * @phy: sas transport phy object
739 * @phy_id: unique phy id
740 * @handle: device handle for this phy
741 * @attached_handle: device handle for attached device
742 * @phy_belongs_to_port: port has been created for this phy
745 struct list_head port_siblings;
746 struct sas_identify identify;
747 struct sas_identify remote_identify;
752 u8 phy_belongs_to_port;
756 * struct _sas_node - sas_host/expander information
757 * @list: list of expanders
758 * @parent_dev: parent device class
759 * @num_phys: number phys belonging to this sas_host/expander
760 * @sas_address: sas address of this sas_host/expander
761 * @handle: handle for this sas_host/expander
762 * @sas_address_parent: sas address of parent expander or sas host
763 * @enclosure_handle: handle for this a member of an enclosure
764 * @device_info: bitwise defining capabilities of this sas_host/expander
765 * @responding: used in _scsih_expander_device_mark_responding
766 * @phy: a list of phys that make up this sas_host/expander
767 * @sas_port_list: list of ports attached to this sas_host/expander
770 struct list_head list;
771 struct device *parent_dev;
775 u64 sas_address_parent;
776 u16 enclosure_handle;
777 u64 enclosure_logical_id;
779 struct _sas_phy *phy;
780 struct list_head sas_port_list;
785 * struct _enclosure_node - enclosure information
786 * @list: list of enclosures
787 * @pg0: enclosure pg0;
789 struct _enclosure_node {
790 struct list_head list;
791 Mpi2SasEnclosurePage0_t pg0;
795 * enum reset_type - reset state
796 * @FORCE_BIG_HAMMER: issue diagnostic reset
797 * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
805 * struct pcie_sg_list - PCIe SGL buffer (contiguous per I/O)
806 * @pcie_sgl: PCIe native SGL for NVMe devices
807 * @pcie_sgl_dma: physical address
809 struct pcie_sg_list {
811 dma_addr_t pcie_sgl_dma;
815 * struct chain_tracker - firmware chain tracker
816 * @chain_buffer: chain buffer
817 * @chain_buffer_dma: physical address
818 * @tracker_list: list of free request (ioc->free_chain_list)
820 struct chain_tracker {
822 dma_addr_t chain_buffer_dma;
825 struct chain_lookup {
826 struct chain_tracker *chains_per_smid;
827 atomic_t chain_offset;
831 * struct scsiio_tracker - scsi mf request tracker
832 * @smid: system message id
833 * @cb_idx: callback index
834 * @direct_io: To indicate whether I/O is direct (WARPDRIVE)
835 * @chain_list: list of associated firmware chain tracker
836 * @msix_io: IO's msix
838 struct scsiio_tracker {
840 struct scsi_cmnd *scmd;
843 struct pcie_sg_list pcie_sg_list;
844 struct list_head chain_list;
849 * struct request_tracker - firmware request tracker
850 * @smid: system message id
851 * @cb_idx: callback index
852 * @tracker_list: list of free request (ioc->free_list)
854 struct request_tracker {
857 struct list_head tracker_list;
861 * struct _tr_list - target reset list
862 * @handle: device handle
863 * @state: state machine
866 struct list_head list;
872 * struct _sc_list - delayed SAS_IO_UNIT_CONTROL message list
873 * @handle: device handle
876 struct list_head list;
881 * struct _event_ack_list - delayed event acknowledgment list
883 * @EventContext: used to track the event uniquely
885 struct _event_ack_list {
886 struct list_head list;
892 * struct adapter_reply_queue - the reply queue struct
893 * @ioc: per adapter object
894 * @msix_index: msix index into vector table
895 * @vector: irq vector
896 * @reply_post_host_index: head index in the pool where FW completes IO
897 * @reply_post_free: reply post base virt address
898 * @name: the name registered to request_irq()
899 * @busy: isr is actively processing replies on another cpu
900 * @os_irq: irq number
901 * @irqpoll: irq_poll object
902 * @irq_poll_scheduled: Tells whether irq poll is scheduled or not
905 struct adapter_reply_queue {
906 struct MPT3SAS_ADAPTER *ioc;
908 u32 reply_post_host_index;
909 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
910 char name[MPT_NAME_LENGTH];
913 struct irq_poll irqpoll;
914 bool irq_poll_scheduled;
915 bool irq_line_enable;
916 struct list_head list;
919 typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
922 typedef int (*MPT_BUILD_SG_SCMD)(struct MPT3SAS_ADAPTER *ioc,
923 struct scsi_cmnd *scmd, u16 smid, struct _pcie_device *pcie_device);
924 typedef void (*MPT_BUILD_SG)(struct MPT3SAS_ADAPTER *ioc, void *psge,
925 dma_addr_t data_out_dma, size_t data_out_sz,
926 dma_addr_t data_in_dma, size_t data_in_sz);
927 typedef void (*MPT_BUILD_ZERO_LEN_SGE)(struct MPT3SAS_ADAPTER *ioc,
931 typedef void (*NVME_BUILD_PRP)(struct MPT3SAS_ADAPTER *ioc, u16 smid,
932 Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request,
933 dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
936 /* To support atomic and non atomic descriptors*/
937 typedef void (*PUT_SMID_IO_FP_HIP) (struct MPT3SAS_ADAPTER *ioc, u16 smid,
939 typedef void (*PUT_SMID_DEFAULT) (struct MPT3SAS_ADAPTER *ioc, u16 smid);
940 typedef u32 (*BASE_READ_REG) (const volatile void __iomem *addr);
942 * To get high iops reply queue's msix index when high iops mode is enabled
943 * else get the msix index of general reply queues.
945 typedef u8 (*GET_MSIX_INDEX) (struct MPT3SAS_ADAPTER *ioc,
946 struct scsi_cmnd *scmd);
948 /* IOC Facts and Port Facts converted from little endian to cpu */
949 union mpi3_version_union {
950 MPI2_VERSION_STRUCT Struct;
954 struct mpt3sas_facts {
970 union mpi3_version_union FWVersion;
971 u16 IOCRequestFrameSize;
972 u16 IOCMaxChainSegmentSize;
978 u16 HighPriorityCredit;
979 u16 MaxReplyDescriptorPostQueueDepth;
983 u16 MaxPersistentEntries;
985 u8 CurrentHostPageSize;
988 struct mpt3sas_port_facts {
993 u16 MaxPostedCmdBuffers;
996 struct reply_post_struct {
997 Mpi2ReplyDescriptorsUnion_t *reply_post_free;
998 dma_addr_t reply_post_free_dma;
1001 typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc);
1003 * struct MPT3SAS_ADAPTER - per adapter struct
1005 * @shost: shost object
1006 * @id: unique adapter id
1007 * @cpu_count: number online cpus
1008 * @name: generic ioc string
1009 * @tmp_string: tmp string used for logging
1010 * @pdev: pci pdev object
1011 * @pio_chip: physical io register space
1012 * @chip: memory mapped register space
1013 * @chip_phys: physical addrss prior to mapping
1014 * @logging_level: see mpt3sas_debug.h
1015 * @fwfault_debug: debuging FW timeouts
1016 * @ir_firmware: IR firmware present
1017 * @bars: bitmask of BAR's that must be configured
1018 * @mask_interrupts: ignore interrupt
1019 * @dma_mask: used to set the consistent dma mask
1020 * @pci_access_mutex: Mutex to synchronize ioctl, sysfs show path and
1021 * pci resource handling
1022 * @fault_reset_work_q_name: fw fault work queue
1023 * @fault_reset_work_q: ""
1024 * @fault_reset_work: ""
1025 * @firmware_event_name: fw event work queue
1026 * @firmware_event_thread: ""
1028 * @fw_event_list: list of fw events
1029 * @aen_event_read_flag: event log was read
1030 * @broadcast_aen_busy: broadcast aen waiting to be serviced
1031 * @shost_recovery: host reset in progress
1032 * @ioc_reset_in_progress_lock:
1033 * @ioc_link_reset_in_progress: phy/hard reset in progress
1034 * @ignore_loginfos: ignore loginfos during task management
1035 * @remove_host: flag for when driver unloads, to avoid sending dev resets
1036 * @pci_error_recovery: flag to prevent ioc access until slot reset completes
1037 * @wait_for_discovery_to_complete: flag set at driver load time when
1038 * waiting on reporting devices
1039 * @is_driver_loading: flag set at driver load time
1040 * @port_enable_failed: flag set when port enable has failed
1041 * @start_scan: flag set from scan_start callback, cleared from _mpt3sas_fw_work
1042 * @start_scan_failed: means port enable failed, return's the ioc_status
1043 * @msix_enable: flag indicating msix is enabled
1044 * @msix_vector_count: number msix vectors
1045 * @cpu_msix_table: table for mapping cpus to msix index
1046 * @cpu_msix_table_sz: table size
1047 * @total_io_cnt: Gives total IO count, used to load balance the interrupts
1048 * @high_iops_outstanding: used to load balance the interrupts
1049 * within high iops reply queues
1050 * @msix_load_balance: Enables load balancing of interrupts across
1051 * the multiple MSIXs
1052 * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
1053 * @thresh_hold: Max number of reply descriptors processed
1054 * before updating Host Index
1055 * @drv_support_bitmap: driver's supported feature bit map
1056 * @scsi_io_cb_idx: shost generated commands
1057 * @tm_cb_idx: task management commands
1058 * @scsih_cb_idx: scsih internal commands
1059 * @transport_cb_idx: transport internal commands
1060 * @ctl_cb_idx: clt internal commands
1061 * @base_cb_idx: base internal commands
1062 * @config_cb_idx: base internal commands
1063 * @tm_tr_cb_idx : device removal target reset handshake
1064 * @tm_tr_volume_cb_idx : volume removal target reset
1071 * @base_add_sg_single: handler for either 32/64 bit sgl's
1072 * @event_type: bits indicating which events to log
1073 * @event_context: unique id for each logged event
1074 * @event_log: event log pointer
1075 * @event_masks: events that are masked
1076 * @facts: static facts data
1077 * @prev_fw_facts: previous fw facts data
1078 * @pfacts: static port facts data
1079 * @manu_pg0: static manufacturing page 0
1080 * @manu_pg10: static manufacturing page 10
1081 * @manu_pg11: static manufacturing page 11
1082 * @bios_pg2: static bios page 2
1083 * @bios_pg3: static bios page 3
1084 * @ioc_pg8: static ioc page 8
1085 * @iounit_pg0: static iounit page 0
1086 * @iounit_pg1: static iounit page 1
1087 * @iounit_pg8: static iounit page 8
1088 * @sas_hba: sas host object
1089 * @sas_expander_list: expander object list
1090 * @enclosure_list: enclosure object list
1092 * @sas_device_list: sas device object list
1093 * @sas_device_init_list: sas device object list (used only at init time)
1095 * @pcie_device_list: pcie device object list
1096 * @pcie_device_init_list: pcie device object list (used only at init time)
1097 * @pcie_device_lock:
1098 * @io_missing_delay: time for IO completed by fw when PDR enabled
1099 * @device_missing_delay: time for device missing by fw when PDR enabled
1100 * @sas_id : used for setting volume target IDs
1101 * @pcie_target_id: used for setting pcie target IDs
1102 * @blocking_handles: bitmask used to identify which devices need blocking
1103 * @pd_handles : bitmask for PD handles
1104 * @pd_handles_sz : size of pd_handle bitmask
1105 * @config_page_sz: config page size
1106 * @config_page: reserve memory for config page payload
1108 * @hba_queue_depth: hba request queue depth
1109 * @sge_size: sg element size for either 32/64 bit
1110 * @scsiio_depth: SCSI_IO queue depth
1111 * @request_sz: per request frame size
1112 * @request: pool of request frames
1115 * @scsi_lookup: firmware request tracker list
1116 * @scsi_lookup_lock:
1117 * @free_list: free list of request
1118 * @pending_io_count:
1120 * @chain: pool of chains
1122 * @max_sges_in_main_message: number sg elements in main message
1123 * @max_sges_in_chain_message: number sg elements per chain
1124 * @chains_needed_per_io: max chains per io
1125 * @chain_depth: total chains allocated
1126 * @chain_segment_sz: gives the max number of
1127 * SGEs accommodate on single chain buffer
1128 * @hi_priority_smid:
1131 * @hi_priority_depth:
1139 * @internal_free_list:
1140 * @sense: pool of sense
1143 * @reply_depth: hba reply queue depth:
1144 * @reply_sz: per reply frame size:
1145 * @reply: pool of replys:
1148 * @reply_free_queue_depth: reply free depth
1149 * @reply_free: pool for reply free queue (32 bit addr)
1151 * @reply_free_dma_pool:
1152 * @reply_free_host_index: tail index in pool to insert free replys
1153 * @reply_post_queue_depth: reply post queue depth
1154 * @reply_post_struct: struct for reply_post_free physical & virt address
1155 * @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
1156 * @rdpq_array_enable: rdpq_array support is enabled in the driver
1157 * @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
1158 * is assigned only ones
1159 * @reply_queue_count: number of reply queue's
1160 * @reply_queue_list: link list contaning the reply queue info
1161 * @msix96_vector: 96 MSI-X vector support
1162 * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue
1163 * @delayed_tr_list: target reset link list
1164 * @delayed_tr_volume_list: volume target reset link list
1166 * @delayed_event_ack_list:
1167 * @temp_sensors_count: flag to carry the number of temperature sensors
1168 * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
1169 * pci resource handling. PCI resource freeing will lead to free
1170 * vital hardware/memory resource, which might be in use by cli/sysfs
1171 * path functions resulting in Null pointer reference followed by kernel
1172 * crash. To avoid the above race condition we use mutex syncrhonization
1173 * which ensures the syncrhonization between cli/sysfs_show path.
1174 * @atomic_desc_capable: Atomic Request Descriptor support.
1175 * @GET_MSIX_INDEX: Get the msix index of high iops queues.
1177 struct MPT3SAS_ADAPTER {
1178 struct list_head list;
1179 struct Scsi_Host *shost;
1182 char name[MPT_NAME_LENGTH];
1183 char driver_name[MPT_NAME_LENGTH - 8];
1184 char tmp_string[MPT_STRING_LENGTH];
1185 struct pci_dev *pdev;
1186 Mpi2SystemInterfaceRegs_t __iomem *chip;
1187 phys_addr_t chip_phys;
1195 /* fw fault handler */
1196 char fault_reset_work_q_name[20];
1197 struct workqueue_struct *fault_reset_work_q;
1198 struct delayed_work fault_reset_work;
1200 /* fw event handler */
1201 char firmware_event_name[20];
1202 struct workqueue_struct *firmware_event_thread;
1203 spinlock_t fw_event_lock;
1204 struct list_head fw_event_list;
1207 int aen_event_read_flag;
1208 u8 broadcast_aen_busy;
1209 u16 broadcast_aen_pending;
1211 u8 got_task_abort_from_ioctl;
1213 struct mutex reset_in_progress_mutex;
1214 spinlock_t ioc_reset_in_progress_lock;
1215 u8 ioc_link_reset_in_progress;
1219 u8 pci_error_recovery;
1220 u8 wait_for_discovery_to_complete;
1221 u8 is_driver_loading;
1222 u8 port_enable_failed;
1224 u16 start_scan_failed;
1227 u16 msix_vector_count;
1229 u16 cpu_msix_table_sz;
1230 resource_size_t __iomem **reply_post_host_index;
1231 u32 ioc_reset_count;
1232 MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
1233 u32 non_operational_loop;
1234 atomic64_t total_io_cnt;
1235 atomic64_t high_iops_outstanding;
1236 bool msix_load_balance;
1238 u8 high_iops_queues;
1239 u32 drv_support_bitmap;
1240 bool enable_sdev_max_qd;
1242 /* internal commands, callback index */
1245 u8 transport_cb_idx;
1249 u8 port_enable_cb_idx;
1252 u8 tm_tr_volume_cb_idx;
1253 u8 tm_sas_control_cb_idx;
1254 struct _internal_cmd base_cmds;
1255 struct _internal_cmd port_enable_cmds;
1256 struct _internal_cmd transport_cmds;
1257 struct _internal_cmd scsih_cmds;
1258 struct _internal_cmd tm_cmds;
1259 struct _internal_cmd ctl_cmds;
1260 struct _internal_cmd config_cmds;
1262 MPT_ADD_SGE base_add_sg_single;
1264 /* function ptr for either IEEE or MPI sg elements */
1265 MPT_BUILD_SG_SCMD build_sg_scmd;
1266 MPT_BUILD_SG build_sg;
1267 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
1269 u16 hba_mpi_version_belonged;
1271 /* function ptr for MPI sg elements only */
1272 MPT_BUILD_SG build_sg_mpi;
1273 MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge_mpi;
1275 /* function ptr for NVMe PRP elements only */
1276 NVME_BUILD_PRP build_nvme_prp;
1279 u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1282 u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
1284 u8 tm_custom_handling;
1285 u8 nvme_abort_timeout;
1288 /* static config pages */
1289 struct mpt3sas_facts facts;
1290 struct mpt3sas_facts prev_fw_facts;
1291 struct mpt3sas_port_facts *pfacts;
1292 Mpi2ManufacturingPage0_t manu_pg0;
1293 struct Mpi2ManufacturingPage10_t manu_pg10;
1294 struct Mpi2ManufacturingPage11_t manu_pg11;
1295 Mpi2BiosPage2_t bios_pg2;
1296 Mpi2BiosPage3_t bios_pg3;
1297 Mpi2IOCPage8_t ioc_pg8;
1298 Mpi2IOUnitPage0_t iounit_pg0;
1299 Mpi2IOUnitPage1_t iounit_pg1;
1300 Mpi2IOUnitPage8_t iounit_pg8;
1301 Mpi2IOCPage1_t ioc_pg1_copy;
1303 struct _boot_device req_boot_device;
1304 struct _boot_device req_alt_boot_device;
1305 struct _boot_device current_boot_device;
1307 /* sas hba, expander, and device list */
1308 struct _sas_node sas_hba;
1309 struct list_head sas_expander_list;
1310 struct list_head enclosure_list;
1311 spinlock_t sas_node_lock;
1312 struct list_head sas_device_list;
1313 struct list_head sas_device_init_list;
1314 spinlock_t sas_device_lock;
1315 struct list_head pcie_device_list;
1316 struct list_head pcie_device_init_list;
1317 spinlock_t pcie_device_lock;
1319 struct list_head raid_device_list;
1320 spinlock_t raid_device_lock;
1321 u8 io_missing_delay;
1322 u16 device_missing_delay;
1326 void *blocking_handles;
1330 void *pend_os_device_add;
1331 u16 pend_os_device_add_sz;
1336 dma_addr_t config_page_dma;
1339 /* scsiio request */
1340 u16 hba_queue_depth;
1345 dma_addr_t request_dma;
1347 struct pcie_sg_list *pcie_sg_lookup;
1348 spinlock_t scsi_lookup_lock;
1349 int pending_io_count;
1350 wait_queue_head_t reset_wq;
1353 struct dma_pool *pcie_sgl_dma_pool;
1354 /* Host Page Size */
1358 struct chain_lookup *chain_lookup;
1359 struct list_head free_chain_list;
1360 struct dma_pool *chain_dma_pool;
1362 u16 max_sges_in_main_message;
1363 u16 max_sges_in_chain_message;
1364 u16 chains_needed_per_io;
1366 u16 chain_segment_sz;
1367 u16 chains_per_prp_buffer;
1369 /* hi-priority queue */
1370 u16 hi_priority_smid;
1372 dma_addr_t hi_priority_dma;
1373 u16 hi_priority_depth;
1374 struct request_tracker *hpr_lookup;
1375 struct list_head hpr_free_list;
1377 /* internal queue */
1380 dma_addr_t internal_dma;
1382 struct request_tracker *internal_lookup;
1383 struct list_head internal_free_list;
1387 dma_addr_t sense_dma;
1388 struct dma_pool *sense_dma_pool;
1393 dma_addr_t reply_dma;
1394 u32 reply_dma_max_address;
1395 u32 reply_dma_min_address;
1396 struct dma_pool *reply_dma_pool;
1398 /* reply free queue */
1399 u16 reply_free_queue_depth;
1401 dma_addr_t reply_free_dma;
1402 struct dma_pool *reply_free_dma_pool;
1403 u32 reply_free_host_index;
1405 /* reply post queue */
1406 u16 reply_post_queue_depth;
1407 struct reply_post_struct *reply_post;
1408 u8 rdpq_array_capable;
1409 u8 rdpq_array_enable;
1410 u8 rdpq_array_enable_assigned;
1411 struct dma_pool *reply_post_free_dma_pool;
1412 struct dma_pool *reply_post_free_array_dma_pool;
1413 Mpi2IOCInitRDPQArrayEntry *reply_post_free_array;
1414 dma_addr_t reply_post_free_array_dma;
1415 u8 reply_queue_count;
1416 struct list_head reply_queue_list;
1418 u8 combined_reply_queue;
1419 u8 combined_reply_index_count;
1420 u8 smp_affinity_enable;
1421 /* reply post register index */
1422 resource_size_t **replyPostRegisterIndex;
1424 struct list_head delayed_tr_list;
1425 struct list_head delayed_tr_volume_list;
1426 struct list_head delayed_sc_list;
1427 struct list_head delayed_event_ack_list;
1428 u8 temp_sensors_count;
1429 struct mutex pci_access_mutex;
1431 /* diag buffer support */
1432 u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
1433 u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
1434 dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
1435 u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
1436 u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
1437 u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
1438 u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
1439 u32 ring_buffer_offset;
1442 u8 is_mcpu_endpoint;
1444 u8 mfg_pg10_hide_flag;
1446 spinlock_t diag_trigger_lock;
1447 u8 diag_trigger_active;
1448 u8 atomic_desc_capable;
1449 BASE_READ_REG base_readl;
1450 struct SL_WH_MASTER_TRIGGER_T diag_trigger_master;
1451 struct SL_WH_EVENT_TRIGGERS_T diag_trigger_event;
1452 struct SL_WH_SCSI_TRIGGERS_T diag_trigger_scsi;
1453 struct SL_WH_MPI_TRIGGERS_T diag_trigger_mpi;
1454 void *device_remove_in_progress;
1455 u16 device_remove_in_progress_sz;
1458 PUT_SMID_IO_FP_HIP put_smid_scsi_io;
1459 PUT_SMID_IO_FP_HIP put_smid_fast_path;
1460 PUT_SMID_IO_FP_HIP put_smid_hi_priority;
1461 PUT_SMID_DEFAULT put_smid_default;
1462 GET_MSIX_INDEX get_msix_index_for_smlio;
1465 #define MPT_DRV_SUPPORT_BITMAP_MEMMOVE 0x00000001
1467 typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1471 /* base shared API */
1472 extern struct list_head mpt3sas_ioc_list;
1473 extern char driver_name[MPT_NAME_LENGTH];
1474 /* spinlock on list operations over IOCs
1475 * Case: when multiple warpdrive cards(IOCs) are in use
1476 * Each IOC will added to the ioc list structure on initialization.
1477 * Watchdog threads run at regular intervals to check IOC for any
1478 * fault conditions which will trigger the dead_ioc thread to
1479 * deallocate pci resource, resulting deleting the IOC netry from list,
1480 * this deletion need to protected by spinlock to enusre that
1481 * ioc removal is syncrhonized, if not synchronized it might lead to
1482 * list_del corruption as the ioc list is traversed in cli path.
1484 extern spinlock_t gioc_lock;
1486 void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
1487 void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);
1489 int mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc);
1490 void mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc);
1491 int mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc);
1492 void mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc);
1493 void mpt3sas_free_enclosure_list(struct MPT3SAS_ADAPTER *ioc);
1494 int mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
1495 enum reset_type type);
1497 void *mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1498 void *mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1499 __le32 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc,
1501 void *mpt3sas_base_get_pcie_sgl(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1502 dma_addr_t mpt3sas_base_get_pcie_sgl_dma(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1503 void mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc);
1505 void mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1507 void mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1509 void mpt3sas_base_put_smid_nvme_encap(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1510 void mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1511 /* hi-priority queue */
1512 u16 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1513 u16 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
1514 struct scsi_cmnd *scmd);
1515 void mpt3sas_base_clear_st(struct MPT3SAS_ADAPTER *ioc,
1516 struct scsiio_tracker *st);
1518 u16 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx);
1519 void mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid);
1520 void mpt3sas_base_initialize_callback_handler(void);
1521 u8 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func);
1522 void mpt3sas_base_release_callback_handler(u8 cb_idx);
1524 u8 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1526 u8 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid,
1527 u8 msix_index, u32 reply);
1528 void *mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc,
1531 u32 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked);
1533 void mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code);
1534 int mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
1535 Mpi2SasIoUnitControlReply_t *mpi_reply,
1536 Mpi2SasIoUnitControlRequest_t *mpi_request);
1537 int mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
1538 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
1540 void mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc,
1543 void mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc);
1545 void mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
1546 u16 device_missing_delay, u8 io_missing_delay);
1548 int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
1551 mpt3sas_wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc);
1553 u8 mpt3sas_base_check_cmd_timeout(struct MPT3SAS_ADAPTER *ioc,
1554 u8 status, void *mpi_request, int sz);
1555 int mpt3sas_wait_for_ioc(struct MPT3SAS_ADAPTER *ioc, int wait_count);
1557 /* scsih shared API */
1558 struct scsi_cmnd *mpt3sas_scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc,
1560 u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
1562 void mpt3sas_scsih_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1563 void mpt3sas_scsih_after_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1564 void mpt3sas_scsih_reset_done_handler(struct MPT3SAS_ADAPTER *ioc);
1566 int mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, u64 lun,
1567 u8 type, u16 smid_task, u16 msix_task, u8 timeout, u8 tr_method);
1568 int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1569 u64 lun, u8 type, u16 smid_task, u16 msix_task,
1570 u8 timeout, u8 tr_method);
1572 void mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1573 void mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1574 void mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1575 void mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1577 u8 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc,
1580 struct _sas_node *mpt3sas_scsih_expander_find_by_handle(
1581 struct MPT3SAS_ADAPTER *ioc, u16 handle);
1582 struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address(
1583 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1584 struct _sas_device *mpt3sas_get_sdev_by_addr(
1585 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1586 struct _sas_device *__mpt3sas_get_sdev_by_addr(
1587 struct MPT3SAS_ADAPTER *ioc, u64 sas_address);
1588 struct _sas_device *mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1590 struct _pcie_device *mpt3sas_get_pdev_by_handle(struct MPT3SAS_ADAPTER *ioc,
1593 void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
1594 struct _raid_device *
1595 mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle);
1596 void mpt3sas_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth);
1598 /* config shared API */
1599 u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1601 int mpt3sas_config_get_number_hba_phys(struct MPT3SAS_ADAPTER *ioc,
1603 int mpt3sas_config_get_manufacturing_pg0(struct MPT3SAS_ADAPTER *ioc,
1604 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
1605 int mpt3sas_config_get_manufacturing_pg7(struct MPT3SAS_ADAPTER *ioc,
1606 Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage7_t *config_page,
1608 int mpt3sas_config_get_manufacturing_pg10(struct MPT3SAS_ADAPTER *ioc,
1609 Mpi2ConfigReply_t *mpi_reply,
1610 struct Mpi2ManufacturingPage10_t *config_page);
1612 int mpt3sas_config_get_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1613 Mpi2ConfigReply_t *mpi_reply,
1614 struct Mpi2ManufacturingPage11_t *config_page);
1615 int mpt3sas_config_set_manufacturing_pg11(struct MPT3SAS_ADAPTER *ioc,
1616 Mpi2ConfigReply_t *mpi_reply,
1617 struct Mpi2ManufacturingPage11_t *config_page);
1619 int mpt3sas_config_get_bios_pg2(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1620 *mpi_reply, Mpi2BiosPage2_t *config_page);
1621 int mpt3sas_config_get_bios_pg3(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1622 *mpi_reply, Mpi2BiosPage3_t *config_page);
1623 int mpt3sas_config_get_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1624 *mpi_reply, Mpi2IOUnitPage0_t *config_page);
1625 int mpt3sas_config_get_sas_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1626 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page,
1627 u32 form, u32 handle);
1628 int mpt3sas_config_get_sas_device_pg1(struct MPT3SAS_ADAPTER *ioc,
1629 Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page,
1630 u32 form, u32 handle);
1631 int mpt3sas_config_get_pcie_device_pg0(struct MPT3SAS_ADAPTER *ioc,
1632 Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage0_t *config_page,
1633 u32 form, u32 handle);
1634 int mpt3sas_config_get_pcie_device_pg2(struct MPT3SAS_ADAPTER *ioc,
1635 Mpi2ConfigReply_t *mpi_reply, Mpi26PCIeDevicePage2_t *config_page,
1636 u32 form, u32 handle);
1637 int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc,
1638 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page,
1640 int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1641 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1642 int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc,
1643 Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
1644 int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1645 *mpi_reply, Mpi2IOUnitPage1_t *config_page);
1646 int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1647 *mpi_reply, Mpi2IOUnitPage8_t *config_page);
1648 int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1649 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1651 int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
1652 Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
1654 int mpt3sas_config_get_ioc_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1655 *mpi_reply, Mpi2IOCPage1_t *config_page);
1656 int mpt3sas_config_set_ioc_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1657 *mpi_reply, Mpi2IOCPage1_t *config_page);
1658 int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1659 *mpi_reply, Mpi2IOCPage8_t *config_page);
1660 int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
1661 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page,
1662 u32 form, u32 handle);
1663 int mpt3sas_config_get_expander_pg1(struct MPT3SAS_ADAPTER *ioc,
1664 Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page,
1665 u32 phy_number, u16 handle);
1666 int mpt3sas_config_get_enclosure_pg0(struct MPT3SAS_ADAPTER *ioc,
1667 Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page,
1668 u32 form, u32 handle);
1669 int mpt3sas_config_get_phy_pg0(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1670 *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
1671 int mpt3sas_config_get_phy_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1672 *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
1673 int mpt3sas_config_get_raid_volume_pg1(struct MPT3SAS_ADAPTER *ioc,
1674 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1676 int mpt3sas_config_get_number_pds(struct MPT3SAS_ADAPTER *ioc, u16 handle,
1678 int mpt3sas_config_get_raid_volume_pg0(struct MPT3SAS_ADAPTER *ioc,
1679 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1680 u32 handle, u16 sz);
1681 int mpt3sas_config_get_phys_disk_pg0(struct MPT3SAS_ADAPTER *ioc,
1682 Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page,
1683 u32 form, u32 form_specific);
1684 int mpt3sas_config_get_volume_handle(struct MPT3SAS_ADAPTER *ioc, u16 pd_handle,
1685 u16 *volume_handle);
1686 int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc,
1687 u16 volume_handle, u64 *wwid);
1689 /* ctl shared API */
1690 extern struct device_attribute *mpt3sas_host_attrs[];
1691 extern struct device_attribute *mpt3sas_dev_attrs[];
1692 void mpt3sas_ctl_init(ushort hbas_to_enumerate);
1693 void mpt3sas_ctl_exit(ushort hbas_to_enumerate);
1694 u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1696 void mpt3sas_ctl_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1697 void mpt3sas_ctl_after_reset_handler(struct MPT3SAS_ADAPTER *ioc);
1698 void mpt3sas_ctl_reset_done_handler(struct MPT3SAS_ADAPTER *ioc);
1699 u8 mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc,
1700 u8 msix_index, u32 reply);
1701 void mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
1702 Mpi2EventNotificationReply_t *mpi_reply);
1704 void mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc,
1705 u8 bits_to_register);
1706 int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
1709 /* transport shared API */
1710 extern struct scsi_transport_template *mpt3sas_transport_template;
1711 u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
1713 struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
1714 u16 handle, u64 sas_address);
1715 void mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
1716 u64 sas_address_parent);
1717 int mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy
1718 *mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
1719 int mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc,
1720 struct _sas_phy *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1,
1721 struct device *parent_dev);
1722 void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc,
1723 u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
1724 extern struct sas_function_template mpt3sas_transport_functions;
1725 extern struct scsi_transport_template *mpt3sas_transport_template;
1726 /* trigger data externs */
1727 void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
1728 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1729 void mpt3sas_process_trigger_data(struct MPT3SAS_ADAPTER *ioc,
1730 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data);
1731 void mpt3sas_trigger_master(struct MPT3SAS_ADAPTER *ioc,
1732 u32 tigger_bitmask);
1733 void mpt3sas_trigger_event(struct MPT3SAS_ADAPTER *ioc, u16 event,
1734 u16 log_entry_qualifier);
1735 void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key,
1737 void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status,
1740 /* warpdrive APIs */
1741 u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc);
1742 void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc,
1743 struct _raid_device *raid_device);
1745 mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
1746 struct _raid_device *raid_device, Mpi25SCSIIORequest_t *mpi_request);
1748 /* NCQ Prio Handling Check */
1749 bool scsih_ncq_prio_supp(struct scsi_device *sdev);
1752 * _scsih_is_pcie_scsi_device - determines if device is an pcie scsi device
1753 * @device_info: bitfield providing information about the device.
1756 * Returns 1 if scsi device.
1759 mpt3sas_scsih_is_pcie_scsi_device(u32 device_info)
1762 MPI26_PCIE_DEVINFO_MASK_DEVICE_TYPE) == MPI26_PCIE_DEVINFO_SCSI)
1767 #endif /* MPT3SAS_BASE_H_INCLUDED */