4 * Home page of code is: http://www.smartmontools.org
6 * Copyright (C) 2003-11 Bruce Allen
7 * Copyright (C) 2003-11 Doug Gilbert <dgilbert@interlog.com>
8 * Copyright (C) 2008-16 Christian Franke
10 * Original AACRaid code:
11 * Copyright (C) 2014 Raghava Aditya <raghava.aditya@pmcs.com>
13 * Original Areca code:
14 * Copyright (C) 2008-12 Hank Wu <hank@areca.com.tw>
15 * Copyright (C) 2008 Oliver Bock <brevilo@users.sourceforge.net>
17 * Original MegaRAID code:
18 * Copyright (C) 2008 Jordan Hargrave <jordan_hargrave@dell.com>
20 * 3ware code was derived from code that was:
22 * Written By: Adam Radford <linux@3ware.com>
23 * Modifications By: Joel Jacobson <linux@3ware.com>
24 * Arnaldo Carvalho de Melo <acme@conectiva.com.br>
25 * Brad Strand <linux@3ware.com>
27 * Copyright (C) 1999-2003 3ware Inc.
29 * Kernel compatablity By: Andre Hedrick <andre@suse.com>
30 * Non-Copyright (C) 2000 Andre Hedrick <andre@suse.com>
32 * Other ars of this file are derived from code that was
34 * Copyright (C) 1999-2000 Michael Cornwell <cornwell@acm.org>
35 * Copyright (C) 2000 Andre Hedrick <andre@linux-ide.org>
37 * This program is free software; you can redistribute it and/or modify
38 * it under the terms of the GNU General Public License as published by
39 * the Free Software Foundation; either version 2, or (at your option)
42 * You should have received a copy of the GNU General Public License
43 * (for example COPYING); If not, see <http://www.gnu.org/licenses/>.
45 * This code was originally developed as a Senior Thesis by Michael Cornwell
46 * at the Concurrent Systems Laboratory (now part of the Storage Systems
47 * Research Center), Jack Baskin School of Engineering, University of
48 * California, Santa Cruz. http://ssrc.soe.ucsc.edu/
52 // This file contains the linux-specific IOCTL parts of
53 // smartmontools. It includes one interface routine for ATA devices,
54 // one for SCSI devices, and one for ATA devices behind escalade
63 #include <scsi/scsi.h>
64 #include <scsi/scsi_ioctl.h>
66 #include <linux/bsg.h>
69 #include <sys/ioctl.h>
71 #include <sys/utsname.h>
73 #include <stddef.h> // for offsetof()
75 #include <sys/types.h>
77 #ifndef makedev // old versions of types.h do not include sysmacros.h
78 #include <sys/sysmacros.h>
81 #include <selinux/selinux.h>
93 #include "dev_interface.h"
94 #include "dev_ata_cmd_set.h"
95 #include "dev_areca.h"
97 // "include/uapi/linux/nvme_ioctl.h" from Linux kernel sources
98 #include "linux_nvme_ioctl.h" // nvme_passthru_cmd, NVME_IOCTL_ADMIN_CMD
101 #define ENOTSUP ENOSYS
104 #define ARGUSED(x) ((void)(x))
106 const char * os_linux_cpp_cvsid
= "$Id: os_linux.cpp 4582 2017-11-03 20:54:56Z chrfranke $"
108 extern unsigned char failuretest_permissive
;
110 namespace os_linux
{ // No need to publish anything, name provided for Doxygen
112 /////////////////////////////////////////////////////////////////////////////
113 /// Shared open/close routines
115 class linux_smart_device
116 : virtual public /*implements*/ smart_device
119 explicit linux_smart_device(int flags
, int retry_flags
= -1)
120 : smart_device(never_called
),
122 m_flags(flags
), m_retry_flags(retry_flags
)
125 virtual ~linux_smart_device() throw();
127 virtual bool is_open() const;
131 virtual bool close();
134 /// Return filedesc for derived classes.
142 int m_fd
; ///< filedesc, -1 if not open.
143 int m_flags
; ///< Flags for ::open()
144 int m_retry_flags
; ///< Flags to retry ::open(), -1 if no retry
147 linux_smart_device::~linux_smart_device() throw()
153 bool linux_smart_device::is_open() const
158 bool linux_smart_device::open()
160 m_fd
= ::open(get_dev_name(), m_flags
);
162 if (m_fd
< 0 && errno
== EROFS
&& m_retry_flags
!= -1)
164 m_fd
= ::open(get_dev_name(), m_retry_flags
);
167 if (errno
== EBUSY
&& (m_flags
& O_EXCL
))
169 return set_err(EBUSY
,
170 "The requested controller is used exclusively by another process!\n"
171 "(e.g. smartctl or smartd)\n"
172 "Please quit the impeding process or try again later...");
173 return set_err((errno
==ENOENT
|| errno
==ENOTDIR
) ? ENODEV
: errno
);
177 // sets FD_CLOEXEC on the opened device file descriptor. The
178 // descriptor is otherwise leaked to other applications (mail
179 // sender) which may be considered a security risk and may result
180 // in AVC messages on SELinux-enabled systems.
181 if (-1 == fcntl(m_fd
, F_SETFD
, FD_CLOEXEC
))
182 // TODO: Provide an error printing routine in class smart_interface
183 pout("fcntl(set FD_CLOEXEC) failed, errno=%d [%s]\n", errno
, strerror(errno
));
189 // equivalent to close(file descriptor)
190 bool linux_smart_device::close()
192 int fd
= m_fd
; m_fd
= -1;
194 return set_err(errno
);
198 // examples for smartctl
199 static const char smartctl_examples
[] =
200 "=================================================== SMARTCTL EXAMPLES =====\n\n"
201 " smartctl --all /dev/sda (Prints all SMART information)\n\n"
202 " smartctl --smart=on --offlineauto=on --saveauto=on /dev/sda\n"
203 " (Enables SMART on first disk)\n\n"
204 " smartctl --test=long /dev/sda (Executes extended disk self-test)\n\n"
205 " smartctl --attributes --log=selftest --quietmode=errorsonly /dev/sda\n"
206 " (Prints Self-Test & Attribute errors)\n"
207 " smartctl --all --device=3ware,2 /dev/sda\n"
208 " smartctl --all --device=3ware,2 /dev/twe0\n"
209 " smartctl --all --device=3ware,2 /dev/twa0\n"
210 " smartctl --all --device=3ware,2 /dev/twl0\n"
211 " (Prints all SMART info for 3rd ATA disk on 3ware RAID controller)\n"
212 " smartctl --all --device=hpt,1/1/3 /dev/sda\n"
213 " (Prints all SMART info for the SATA disk attached to the 3rd PMPort\n"
214 " of the 1st channel on the 1st HighPoint RAID controller)\n"
215 " smartctl --all --device=areca,3/1 /dev/sg2\n"
216 " (Prints all SMART info for 3rd ATA disk of the 1st enclosure\n"
217 " on Areca RAID controller)\n"
220 /////////////////////////////////////////////////////////////////////////////
221 /// Linux ATA support
223 class linux_ata_device
224 : public /*implements*/ ata_device_with_command_set
,
225 public /*extends*/ linux_smart_device
228 linux_ata_device(smart_interface
* intf
, const char * dev_name
, const char * req_type
);
231 virtual int ata_command_interface(smart_command_set command
, int select
, char * data
);
234 linux_ata_device::linux_ata_device(smart_interface
* intf
, const char * dev_name
, const char * req_type
)
235 : smart_device(intf
, dev_name
, "ata", req_type
),
236 linux_smart_device(O_RDONLY
| O_NONBLOCK
)
241 // This is an interface routine meant to isolate the OS dependent
242 // parts of the code, and to provide a debugging interface. Each
243 // different port and OS needs to provide it's own interface. This
245 // DETAILED DESCRIPTION OF ARGUMENTS
246 // device: is the file descriptor provided by open()
247 // command: defines the different operations.
248 // select: additional input data if needed (which log, which type of
250 // data: location to write output data, if needed (512 bytes).
251 // Note: not all commands use all arguments.
253 // -1 if the command failed
254 // 0 if the command succeeded,
255 // STATUS_CHECK routine:
256 // -1 if the command failed
257 // 0 if the command succeeded and disk SMART status is "OK"
258 // 1 if the command succeeded and disk SMART status is "FAILING"
260 #define BUFFER_LENGTH (4+512)
262 int linux_ata_device::ata_command_interface(smart_command_set command
, int select
, char * data
)
264 unsigned char buff
[BUFFER_LENGTH
];
265 // positive: bytes to write to caller. negative: bytes to READ from
266 // caller. zero: non-data command
269 const int HDIO_DRIVE_CMD_OFFSET
= 4;
271 // See struct hd_drive_cmd_hdr in hdreg.h. Before calling ioctl()
272 // buff[0]: ATA COMMAND CODE REGISTER
273 // buff[1]: ATA SECTOR NUMBER REGISTER == LBA LOW REGISTER
274 // buff[2]: ATA FEATURES REGISTER
275 // buff[3]: ATA SECTOR COUNT REGISTER
277 // Note that on return:
278 // buff[2] contains the ATA SECTOR COUNT REGISTER
280 // clear out buff. Large enough for HDIO_DRIVE_CMD (4+512 bytes)
281 memset(buff
, 0, BUFFER_LENGTH
);
283 buff
[0]=ATA_SMART_CMD
;
285 case CHECK_POWER_MODE
:
286 buff
[0]=ATA_CHECK_POWER_MODE
;
290 buff
[2]=ATA_SMART_READ_VALUES
;
294 case READ_THRESHOLDS
:
295 buff
[2]=ATA_SMART_READ_THRESHOLDS
;
300 buff
[2]=ATA_SMART_READ_LOG_SECTOR
;
308 buff
[0]=ATA_IDENTIFY_DEVICE
;
313 buff
[0]=ATA_IDENTIFY_PACKET_DEVICE
;
318 buff
[2]=ATA_SMART_ENABLE
;
322 buff
[2]=ATA_SMART_DISABLE
;
326 // this command only says if SMART is working. It could be
327 // replaced with STATUS_CHECK below.
328 buff
[2]=ATA_SMART_STATUS
;
331 // NOTE: According to ATAPI 4 and UP, this command is obsolete
332 // select == 241 for enable but no data transfer. Use TASK ioctl.
333 buff
[1]=ATA_SMART_AUTO_OFFLINE
;
337 // select == 248 for enable but no data transfer. Use TASK ioctl.
338 buff
[1]=ATA_SMART_AUTOSAVE
;
341 case IMMEDIATE_OFFLINE
:
342 buff
[2]=ATA_SMART_IMMEDIATE_OFFLINE
;
346 // This command uses HDIO_DRIVE_TASK and has different syntax than
347 // the other commands.
348 buff
[1]=ATA_SMART_STATUS
;
351 pout("Unrecognized command %d in linux_ata_command_interface()\n"
352 "Please contact " PACKAGE_BUGREPORT
"\n", command
);
357 // This command uses the HDIO_DRIVE_TASKFILE ioctl(). This is the
358 // only ioctl() that can be used to WRITE data to the disk.
359 if (command
==WRITE_LOG
) {
360 unsigned char task
[sizeof(ide_task_request_t
)+512];
361 ide_task_request_t
*reqtask
=(ide_task_request_t
*) task
;
362 task_struct_t
*taskfile
=(task_struct_t
*) reqtask
->io_ports
;
364 memset(task
, 0, sizeof(task
));
367 taskfile
->feature
= ATA_SMART_WRITE_LOG_SECTOR
;
368 taskfile
->sector_count
= 1;
369 taskfile
->sector_number
= select
;
370 taskfile
->low_cylinder
= 0x4f;
371 taskfile
->high_cylinder
= 0xc2;
372 taskfile
->device_head
= 0;
373 taskfile
->command
= ATA_SMART_CMD
;
375 reqtask
->data_phase
= TASKFILE_OUT
;
376 reqtask
->req_cmd
= IDE_DRIVE_TASK_OUT
;
377 reqtask
->out_size
= 512;
378 reqtask
->in_size
= 0;
380 // copy user data into the task request structure
381 memcpy(task
+sizeof(ide_task_request_t
), data
, 512);
383 if (ioctl(get_fd(), HDIO_DRIVE_TASKFILE
, task
)) {
385 pout("Kernel lacks HDIO_DRIVE_TASKFILE support; compile kernel with CONFIG_IDE_TASK_IOCTL set\n");
391 // There are two different types of ioctls(). The HDIO_DRIVE_TASK
393 if (command
==STATUS_CHECK
|| command
==AUTOSAVE
|| command
==AUTO_OFFLINE
){
394 // NOT DOCUMENTED in /usr/src/linux/include/linux/hdreg.h. You
395 // have to read the IDE driver source code. Sigh.
396 // buff[0]: ATA COMMAND CODE REGISTER
397 // buff[1]: ATA FEATURES REGISTER
398 // buff[2]: ATA SECTOR_COUNT
399 // buff[3]: ATA SECTOR NUMBER
400 // buff[4]: ATA CYL LO REGISTER
401 // buff[5]: ATA CYL HI REGISTER
402 // buff[6]: ATA DEVICE HEAD
404 unsigned const char normal_lo
=0x4f, normal_hi
=0xc2;
405 unsigned const char failed_lo
=0xf4, failed_hi
=0x2c;
409 if (ioctl(get_fd(), HDIO_DRIVE_TASK
, buff
)) {
411 pout("Error SMART Status command via HDIO_DRIVE_TASK failed");
412 pout("Rebuild older linux 2.2 kernels with HDIO_DRIVE_TASK support added\n");
415 syserror("Error SMART Status command failed");
419 // Cyl low and Cyl high unchanged means "Good SMART status"
420 if (buff
[4]==normal_lo
&& buff
[5]==normal_hi
)
423 // These values mean "Bad SMART status"
424 if (buff
[4]==failed_lo
&& buff
[5]==failed_hi
)
427 // We haven't gotten output that makes sense; print out some debugging info
428 syserror("Error SMART Status command failed");
429 pout("Please get assistance from " PACKAGE_HOMEPAGE
"\n");
430 pout("Register values returned from SMART Status command are:\n");
431 pout("ST =0x%02x\n",(int)buff
[0]);
432 pout("ERR=0x%02x\n",(int)buff
[1]);
433 pout("NS =0x%02x\n",(int)buff
[2]);
434 pout("SC =0x%02x\n",(int)buff
[3]);
435 pout("CL =0x%02x\n",(int)buff
[4]);
436 pout("CH =0x%02x\n",(int)buff
[5]);
437 pout("SEL=0x%02x\n",(int)buff
[6]);
442 // Note to people doing ports to other OSes -- don't worry about
443 // this block -- you can safely ignore it. I have put it here
444 // because under linux when you do IDENTIFY DEVICE to a packet
445 // device, it generates an ugly kernel syslog error message. This
446 // is harmless but frightens users. So this block detects packet
447 // devices and make IDENTIFY DEVICE fail "nicely" without a syslog
450 // If you read only the ATA specs, it appears as if a packet device
451 // *might* respond to the IDENTIFY DEVICE command. This is
452 // misleading - it's because around the time that SFF-8020 was
453 // incorporated into the ATA-3/4 standard, the ATA authors were
454 // sloppy. See SFF-8020 and you will see that ATAPI devices have
455 // *always* had IDENTIFY PACKET DEVICE as a mandatory part of their
456 // command set, and return 'Command Aborted' to IDENTIFY DEVICE.
457 if (command
==IDENTIFY
|| command
==PIDENTIFY
){
458 unsigned short deviceid
[256];
459 // check the device identity, as seen when the system was booted
460 // or the device was FIRST registered. This will not be current
461 // if the user has subsequently changed some of the parameters. If
462 // device is a packet device, swap the command interpretations.
463 if (!ioctl(get_fd(), HDIO_GET_IDENTITY
, deviceid
) && (deviceid
[0] & 0x8000))
464 buff
[0]=(command
==IDENTIFY
)?ATA_IDENTIFY_PACKET_DEVICE
:ATA_IDENTIFY_DEVICE
;
468 // We are now doing the HDIO_DRIVE_CMD type ioctl.
469 if ((ioctl(get_fd(), HDIO_DRIVE_CMD
, buff
)))
472 // CHECK POWER MODE command returns information in the Sector Count
473 // register (buff[3]). Copy to return data buffer.
474 if (command
==CHECK_POWER_MODE
)
475 buff
[HDIO_DRIVE_CMD_OFFSET
]=buff
[2];
477 // if the command returns data then copy it back
479 memcpy(data
, buff
+HDIO_DRIVE_CMD_OFFSET
, copydata
);
484 // >>>>>> Start of general SCSI specific linux code
486 /* Linux specific code.
487 * Historically smartmontools (and smartsuite before it) used the
488 * SCSI_IOCTL_SEND_COMMAND ioctl which is available to all linux device
489 * nodes that use the SCSI subsystem. A better interface has been available
490 * via the SCSI generic (sg) driver but this involves the extra step of
491 * mapping disk devices (e.g. /dev/sda) to the corresponding sg device
492 * (e.g. /dev/sg2). In the linux kernel 2.6 series most of the facilities of
493 * the sg driver have become available via the SG_IO ioctl which is available
494 * on all SCSI devices (on SCSI tape devices from lk 2.6.6).
495 * So the strategy below is to find out if the SG_IO ioctl is available and
496 * if so use it; failing that use the older SCSI_IOCTL_SEND_COMMAND ioctl.
497 * Should work in 2.0, 2.2, 2.4 and 2.6 series linux kernels. */
499 #define MAX_DXFER_LEN 1024 /* can be increased if necessary */
500 #define SEND_IOCTL_RESP_SENSE_LEN 16 /* ioctl limitation */
501 #define SG_IO_RESP_SENSE_LEN 64 /* large enough see buffer */
502 #define LSCSI_DRIVER_MASK 0xf /* mask out "suggestions" */
503 #define LSCSI_DRIVER_SENSE 0x8 /* alternate CHECK CONDITION indication */
504 #define LSCSI_DID_ERROR 0x7 /* Need to work around aacraid driver quirk */
505 #define LSCSI_DRIVER_TIMEOUT 0x6
506 #define LSCSI_DID_TIME_OUT 0x3
507 #define LSCSI_DID_BUS_BUSY 0x2
508 #define LSCSI_DID_NO_CONNECT 0x1
510 #ifndef SCSI_IOCTL_SEND_COMMAND
511 #define SCSI_IOCTL_SEND_COMMAND 1
514 #define SG_IO_USE_DETECT 0
515 #define SG_IO_UNSUPP 1
516 #define SG_IO_USE_V3 3
517 #define SG_IO_USE_V4 4
519 static int sg_io_cmnd_io(int dev_fd
, struct scsi_cmnd_io
* iop
, int report
,
521 static int sisc_cmnd_io(int dev_fd
, struct scsi_cmnd_io
* iop
, int report
);
523 static int sg_io_state
= SG_IO_USE_DETECT
;
525 /* Preferred implementation for issuing SCSI commands in linux. This
526 * function uses the SG_IO ioctl. Return 0 if command issued successfully
527 * (various status values should still be checked). If the SCSI command
528 * cannot be issued then a negative errno value is returned. */
529 static int sg_io_cmnd_io(int dev_fd
, struct scsi_cmnd_io
* iop
, int report
,
533 ARGUSED(dev_fd
); ARGUSED(iop
); ARGUSED(report
);
537 /* we are filling structures for both versions, but using only one requested */
538 struct sg_io_hdr io_hdr_v3
;
539 struct sg_io_v4 io_hdr_v4
;
543 const unsigned char * ucp
= iop
->cmnd
;
546 const int sz
= (int)sizeof(buff
);
548 pout(">>>> do_scsi_cmnd_io: sg_io_ver=%d\n", sg_io_ver
);
549 np
= scsi_get_opcode_name(ucp
[0]);
550 j
= snprintf(buff
, sz
, " [%s: ", np
? np
: "<unknown opcode>");
551 for (k
= 0; k
< (int)iop
->cmnd_len
; ++k
)
552 j
+= snprintf(&buff
[j
], (sz
> j
? (sz
- j
) : 0), "%02x ", ucp
[k
]);
554 (DXFER_TO_DEVICE
== iop
->dxfer_dir
) && (iop
->dxferp
)) {
555 int trunc
= (iop
->dxfer_len
> 256) ? 1 : 0;
557 snprintf(&buff
[j
], (sz
> j
? (sz
- j
) : 0), "]\n Outgoing "
558 "data, len=%d%s:\n", (int)iop
->dxfer_len
,
559 (trunc
? " [only first 256 bytes shown]" : ""));
560 dStrHex((const char *)iop
->dxferp
,
561 (trunc
? 256 : iop
->dxfer_len
) , 1);
564 snprintf(&buff
[j
], (sz
> j
? (sz
- j
) : 0), "]\n");
567 memset(&io_hdr_v3
, 0, sizeof(struct sg_io_hdr
));
568 memset(&io_hdr_v4
, 0, sizeof(struct sg_io_v4
));
570 io_hdr_v3
.interface_id
= 'S';
571 io_hdr_v3
.cmd_len
= iop
->cmnd_len
;
572 io_hdr_v3
.mx_sb_len
= iop
->max_sense_len
;
573 io_hdr_v3
.dxfer_len
= iop
->dxfer_len
;
574 io_hdr_v3
.dxferp
= iop
->dxferp
;
575 io_hdr_v3
.cmdp
= iop
->cmnd
;
576 io_hdr_v3
.sbp
= iop
->sensep
;
577 /* sg_io_hdr interface timeout has millisecond units. Timeout of 0
578 defaults to 60 seconds. */
579 io_hdr_v3
.timeout
= ((0 == iop
->timeout
) ? 60 : iop
->timeout
) * 1000;
581 io_hdr_v4
.guard
= 'Q';
582 io_hdr_v4
.request_len
= iop
->cmnd_len
;
583 io_hdr_v4
.request
= __u64(iop
->cmnd
);
584 io_hdr_v4
.max_response_len
= iop
->max_sense_len
;
585 io_hdr_v4
.response
= __u64(iop
->sensep
);
586 io_hdr_v4
.timeout
= ((0 == iop
->timeout
) ? 60 : iop
->timeout
) * 1000; // msec
588 switch (iop
->dxfer_dir
) {
590 io_hdr_v3
.dxfer_direction
= SG_DXFER_NONE
;
592 case DXFER_FROM_DEVICE
:
593 io_hdr_v3
.dxfer_direction
= SG_DXFER_FROM_DEV
;
594 io_hdr_v4
.din_xfer_len
= iop
->dxfer_len
;
595 io_hdr_v4
.din_xferp
= __u64(iop
->dxferp
);
597 case DXFER_TO_DEVICE
:
598 io_hdr_v3
.dxfer_direction
= SG_DXFER_TO_DEV
;
599 io_hdr_v4
.dout_xfer_len
= iop
->dxfer_len
;
600 io_hdr_v4
.dout_xferp
= __u64(iop
->dxferp
);
603 pout("do_scsi_cmnd_io: bad dxfer_dir\n");
607 iop
->resp_sense_len
= 0;
608 iop
->scsi_status
= 0;
611 void * io_hdr
= NULL
;
621 // should never be reached
626 if (ioctl(dev_fd
, SG_IO
, io_hdr
) < 0) {
628 pout(" SG_IO ioctl failed, errno=%d [%s], SG_IO_V%d\n", errno
,
629 strerror(errno
), sg_io_ver
);
633 unsigned int sg_driver_status
= 0, sg_transport_status
= 0, sg_info
= 0,
636 if (sg_io_ver
== SG_IO_USE_V3
) {
637 iop
->resid
= io_hdr_v3
.resid
;
638 iop
->scsi_status
= io_hdr_v3
.status
;
639 sg_driver_status
= io_hdr_v3
.driver_status
;
640 sg_transport_status
= io_hdr_v3
.host_status
;
641 sg_info
= io_hdr_v3
.info
;
642 iop
->resp_sense_len
= io_hdr_v3
.sb_len_wr
;
643 sg_duration
= io_hdr_v3
.duration
;
646 if (sg_io_ver
== SG_IO_USE_V4
) {
647 switch (iop
->dxfer_dir
) {
651 case DXFER_FROM_DEVICE
:
652 iop
->resid
= io_hdr_v4
.din_resid
;
654 case DXFER_TO_DEVICE
:
655 iop
->resid
= io_hdr_v4
.dout_resid
;
658 iop
->scsi_status
= io_hdr_v4
.device_status
;
659 sg_driver_status
= io_hdr_v4
.driver_status
;
660 sg_transport_status
= io_hdr_v4
.transport_status
;
661 sg_info
= io_hdr_v4
.info
;
662 iop
->resp_sense_len
= io_hdr_v4
.response_len
;
663 sg_duration
= io_hdr_v4
.duration
;
667 pout(" scsi_status=0x%x, sg_transport_status=0x%x, sg_driver_status=0x%x\n"
668 " sg_info=0x%x sg_duration=%d milliseconds resid=%d\n", iop
->scsi_status
,
669 sg_transport_status
, sg_driver_status
, sg_info
,
670 sg_duration
, iop
->resid
);
673 if (DXFER_FROM_DEVICE
== iop
->dxfer_dir
) {
676 len
= iop
->dxfer_len
- iop
->resid
;
677 trunc
= (len
> 256) ? 1 : 0;
679 pout(" Incoming data, len=%d%s:\n", len
,
680 (trunc
? " [only first 256 bytes shown]" : ""));
681 dStrHex((const char*)iop
->dxferp
, (trunc
? 256 : len
),
684 pout(" Incoming data trimmed to nothing by resid\n");
689 if (sg_info
& SG_INFO_CHECK
) { /* error or warning */
690 int masked_driver_status
= (LSCSI_DRIVER_MASK
& sg_driver_status
);
692 if (0 != sg_transport_status
) {
693 if ((LSCSI_DID_NO_CONNECT
== sg_transport_status
) ||
694 (LSCSI_DID_BUS_BUSY
== sg_transport_status
) ||
695 (LSCSI_DID_TIME_OUT
== sg_transport_status
))
698 /* Check for DID_ERROR - workaround for aacraid driver quirk */
699 if (LSCSI_DID_ERROR
!= sg_transport_status
) {
700 return -EIO
; /* catch all if not DID_ERR */
703 if (0 != masked_driver_status
) {
704 if (LSCSI_DRIVER_TIMEOUT
== masked_driver_status
)
706 else if (LSCSI_DRIVER_SENSE
!= masked_driver_status
)
709 if (LSCSI_DRIVER_SENSE
== masked_driver_status
)
710 iop
->scsi_status
= SCSI_STATUS_CHECK_CONDITION
;
711 if ((SCSI_STATUS_CHECK_CONDITION
== iop
->scsi_status
) &&
712 iop
->sensep
&& (iop
->resp_sense_len
> 0)) {
714 pout(" >>> Sense buffer, len=%d:\n",
715 (int)iop
->resp_sense_len
);
716 dStrHex((const char *)iop
->sensep
, iop
->resp_sense_len
, 1);
720 if (SCSI_STATUS_CHECK_CONDITION
== iop
->scsi_status
&& iop
->sensep
) {
721 if ((iop
->sensep
[0] & 0x7f) > 0x71)
722 pout(" status=%x: [desc] sense_key=%x asc=%x ascq=%x\n",
723 iop
->scsi_status
, iop
->sensep
[1] & 0xf,
724 iop
->sensep
[2], iop
->sensep
[3]);
726 pout(" status=%x: sense_key=%x asc=%x ascq=%x\n",
727 iop
->scsi_status
, iop
->sensep
[2] & 0xf,
728 iop
->sensep
[12], iop
->sensep
[13]);
731 pout(" status=0x%x\n", iop
->scsi_status
);
738 struct linux_ioctl_send_command
742 UINT8 buff
[MAX_DXFER_LEN
+ 16];
745 /* The Linux SCSI_IOCTL_SEND_COMMAND ioctl is primitive and it doesn't
746 * support: CDB length (guesses it from opcode), resid and timeout.
747 * Patches in Linux 2.4.21 and 2.5.70 to extend SEND DIAGNOSTIC timeout
748 * to 2 hours in order to allow long foreground extended self tests. */
749 static int sisc_cmnd_io(int dev_fd
, struct scsi_cmnd_io
* iop
, int report
)
751 struct linux_ioctl_send_command wrk
;
752 int status
, buff_offset
;
755 memcpy(wrk
.buff
, iop
->cmnd
, iop
->cmnd_len
);
756 buff_offset
= iop
->cmnd_len
;
759 const unsigned char * ucp
= iop
->cmnd
;
762 const int sz
= (int)sizeof(buff
);
764 np
= scsi_get_opcode_name(ucp
[0]);
765 j
= snprintf(buff
, sz
, " [%s: ", np
? np
: "<unknown opcode>");
766 for (k
= 0; k
< (int)iop
->cmnd_len
; ++k
)
767 j
+= snprintf(&buff
[j
], (sz
> j
? (sz
- j
) : 0), "%02x ", ucp
[k
]);
768 if ((report
> 1) && (DXFER_TO_DEVICE
== iop
->dxfer_dir
)) {
769 int trunc
= (iop
->dxfer_len
> 256) ? 1 : 0;
771 snprintf(&buff
[j
], (sz
> j
? (sz
- j
) : 0), "]\n Outgoing "
772 "data, len=%d%s:\n", (int)iop
->dxfer_len
,
773 (trunc
? " [only first 256 bytes shown]" : ""));
774 dStrHex((const char *)iop
->dxferp
,
775 (trunc
? 256 : iop
->dxfer_len
) , 1);
778 snprintf(&buff
[j
], (sz
> j
? (sz
- j
) : 0), "]\n");
781 switch (iop
->dxfer_dir
) {
786 case DXFER_FROM_DEVICE
:
788 if (iop
->dxfer_len
> MAX_DXFER_LEN
)
790 wrk
.outbufsize
= iop
->dxfer_len
;
792 case DXFER_TO_DEVICE
:
793 if (iop
->dxfer_len
> MAX_DXFER_LEN
)
795 memcpy(wrk
.buff
+ buff_offset
, iop
->dxferp
, iop
->dxfer_len
);
796 wrk
.inbufsize
= iop
->dxfer_len
;
800 pout("do_scsi_cmnd_io: bad dxfer_dir\n");
803 iop
->resp_sense_len
= 0;
804 iop
->scsi_status
= 0;
806 status
= ioctl(dev_fd
, SCSI_IOCTL_SEND_COMMAND
, &wrk
);
809 pout(" SCSI_IOCTL_SEND_COMMAND ioctl failed, errno=%d [%s]\n",
810 errno
, strerror(errno
));
816 if (DXFER_FROM_DEVICE
== iop
->dxfer_dir
) {
817 memcpy(iop
->dxferp
, wrk
.buff
, iop
->dxfer_len
);
819 int trunc
= (iop
->dxfer_len
> 256) ? 1 : 0;
821 pout(" Incoming data, len=%d%s:\n", (int)iop
->dxfer_len
,
822 (trunc
? " [only first 256 bytes shown]" : ""));
823 dStrHex((const char*)iop
->dxferp
,
824 (trunc
? 256 : iop
->dxfer_len
) , 1);
829 iop
->scsi_status
= status
& 0x7e; /* bits 0 and 7 used to be for vendors */
830 if (LSCSI_DRIVER_SENSE
== ((status
>> 24) & 0xf))
831 iop
->scsi_status
= SCSI_STATUS_CHECK_CONDITION
;
832 len
= (SEND_IOCTL_RESP_SENSE_LEN
< iop
->max_sense_len
) ?
833 SEND_IOCTL_RESP_SENSE_LEN
: iop
->max_sense_len
;
834 if ((SCSI_STATUS_CHECK_CONDITION
== iop
->scsi_status
) &&
835 iop
->sensep
&& (len
> 0)) {
836 memcpy(iop
->sensep
, wrk
.buff
, len
);
837 iop
->resp_sense_len
= len
;
839 pout(" >>> Sense buffer, len=%d:\n", (int)len
);
840 dStrHex((const char *)wrk
.buff
, len
, 1);
844 if (SCSI_STATUS_CHECK_CONDITION
== iop
->scsi_status
) {
845 pout(" status=%x: sense_key=%x asc=%x ascq=%x\n", status
& 0xff,
846 wrk
.buff
[2] & 0xf, wrk
.buff
[12], wrk
.buff
[13]);
849 pout(" status=0x%x\n", status
);
851 if (iop
->scsi_status
> 0)
855 pout(" ioctl status=0x%x but scsi status=0, fail with EIO\n",
857 return -EIO
; /* give up, assume no device there */
861 /* SCSI command transmission interface function, linux version.
862 * Returns 0 if SCSI command successfully launched and response
863 * received. Even when 0 is returned the caller should check
864 * scsi_cmnd_io::scsi_status for SCSI defined errors and warnings
865 * (e.g. CHECK CONDITION). If the SCSI command could not be issued
866 * (e.g. device not present or timeout) or some other problem
867 * (e.g. timeout) then returns a negative errno value */
868 static int do_normal_scsi_cmnd_io(int dev_fd
, struct scsi_cmnd_io
* iop
,
873 /* implementation relies on static sg_io_state variable. If not
874 * previously set tries the SG_IO ioctl. If that succeeds assume
875 * that SG_IO ioctl functional. If it fails with an errno value
876 * other than ENODEV (no device) or permission then assume
877 * SCSI_IOCTL_SEND_COMMAND is the only option. */
878 switch (sg_io_state
) {
879 case SG_IO_USE_DETECT
:
880 /* ignore report argument */
881 /* Try SG_IO V3 first */
882 if (0 == (res
= sg_io_cmnd_io(dev_fd
, iop
, report
, SG_IO_USE_V3
))) {
883 sg_io_state
= SG_IO_USE_V3
;
885 } else if ((-ENODEV
== res
) || (-EACCES
== res
) || (-EPERM
== res
))
886 return res
; /* wait until we see a device */
887 /* See if we can use SG_IO V4 * */
888 if (0 == (res
= sg_io_cmnd_io(dev_fd
, iop
, report
, SG_IO_USE_V4
))) {
889 sg_io_state
= SG_IO_USE_V4
;
891 } else if ((-ENODEV
== res
) || (-EACCES
== res
) || (-EPERM
== res
))
892 return res
; /* wait until we see a device */
893 /* fallback to the SCSI_IOCTL_SEND_COMMAND */
894 sg_io_state
= SG_IO_UNSUPP
;
897 /* depricated SCSI_IOCTL_SEND_COMMAND ioctl */
898 return sisc_cmnd_io(dev_fd
, iop
, report
);
901 /* use SG_IO V3 or V4 ioctl, depending on availabiliy */
902 return sg_io_cmnd_io(dev_fd
, iop
, report
, sg_io_state
);
904 pout(">>>> do_scsi_cmnd_io: bad sg_io_state=%d\n", sg_io_state
);
905 sg_io_state
= SG_IO_USE_DETECT
;
906 return -EIO
; /* report error and reset state */
910 // >>>>>> End of general SCSI specific linux code
912 /////////////////////////////////////////////////////////////////////////////
913 /// Standard SCSI support
915 class linux_scsi_device
916 : public /*implements*/ scsi_device
,
917 public /*extends*/ linux_smart_device
920 linux_scsi_device(smart_interface
* intf
, const char * dev_name
,
921 const char * req_type
, bool scanning
= false);
923 virtual smart_device
* autodetect_open();
925 virtual bool scsi_pass_through(scsi_cmnd_io
* iop
);
928 bool m_scanning
; ///< true if created within scan_smart_devices
931 linux_scsi_device::linux_scsi_device(smart_interface
* intf
,
932 const char * dev_name
, const char * req_type
, bool scanning
/*= false*/)
933 : smart_device(intf
, dev_name
, "scsi", req_type
),
934 // If opened with O_RDWR, a SATA disk in standby mode
935 // may spin-up after device close().
936 linux_smart_device(O_RDONLY
| O_NONBLOCK
),
941 bool linux_scsi_device::scsi_pass_through(scsi_cmnd_io
* iop
)
943 int status
= do_normal_scsi_cmnd_io(get_fd(), iop
, scsi_debugmode
);
945 return set_err(-status
);
949 /////////////////////////////////////////////////////////////////////////////
950 /// PMC AacRAID support
952 class linux_aacraid_device
954 public /*extends */ linux_smart_device
957 linux_aacraid_device(smart_interface
*intf
, const char *dev_name
,
958 unsigned int host
, unsigned int channel
, unsigned int device
);
960 virtual ~linux_aacraid_device() throw();
964 virtual bool scsi_pass_through(scsi_cmnd_io
*iop
);
970 //Channel(Lun) of the device
978 linux_aacraid_device::linux_aacraid_device(smart_interface
*intf
,
979 const char *dev_name
, unsigned int host
, unsigned int channel
, unsigned int device
)
980 : smart_device(intf
,dev_name
,"aacraid","aacraid"),
981 linux_smart_device(O_RDWR
|O_NONBLOCK
),
982 aHost(host
), aLun(channel
), aId(device
)
984 set_info().info_name
= strprintf("%s [aacraid_disk_%02d_%02d_%d]",dev_name
,aHost
,aLun
,aId
);
985 set_info().dev_type
= strprintf("aacraid,%d,%d,%d",aHost
,aLun
,aId
);
988 linux_aacraid_device::~linux_aacraid_device() throw()
992 bool linux_aacraid_device::open()
994 //Create the character device name based on the host number
995 //Required for get stats from disks connected to different controllers
997 snprintf(dev_name
, sizeof(dev_name
), "/dev/aac%d", aHost
);
999 //Initial open of dev name to check if it exsists
1000 int afd
= ::open(dev_name
,O_RDWR
);
1002 if(afd
< 0 && errno
== ENOENT
) {
1004 FILE *fp
= fopen("/proc/devices","r");
1006 return set_err(errno
,"cannot open /proc/devices:%s",
1012 while(fgets(line
,sizeof(line
),fp
) !=NULL
) {
1014 if(sscanf(line
,"%d aac%n",&mjr
,&nc
) == 1
1015 && nc
> 0 && '\n' == line
[nc
])
1020 //work with /proc/devices is done
1024 return set_err(ENOENT
, "aac entry not found in /proc/devices");
1026 //Create misc device file in /dev/ used for communication with driver
1027 if(mknod(dev_name
,S_IFCHR
,makedev(mjr
,aHost
)))
1028 return set_err(errno
,"cannot create %s:%s",dev_name
,strerror(errno
));
1030 afd
= ::open(dev_name
,O_RDWR
);
1034 return set_err(errno
,"cannot open %s:%s",dev_name
,strerror(errno
));
1040 bool linux_aacraid_device::scsi_pass_through(scsi_cmnd_io
*iop
)
1042 int report
= scsi_debugmode
;
1046 const unsigned char * ucp
= iop
->cmnd
;
1049 const int sz
= (int)sizeof(buff
);
1051 np
= scsi_get_opcode_name(ucp
[0]);
1052 j
= snprintf(buff
, sz
, " [%s: ", np
? np
: "<unknown opcode>");
1053 for (k
= 0; k
< (int)iop
->cmnd_len
; ++k
)
1054 j
+= snprintf(&buff
[j
], (sz
> j
? (sz
- j
) : 0), "%02x ", ucp
[k
]);
1056 (DXFER_TO_DEVICE
== iop
->dxfer_dir
) && (iop
->dxferp
)) {
1057 int trunc
= (iop
->dxfer_len
> 256) ? 1 : 0;
1059 snprintf(&buff
[j
], (sz
> j
? (sz
- j
) : 0), "]\n Outgoing "
1060 "data, len=%d%s:\n", (int)iop
->dxfer_len
,
1061 (trunc
? " [only first 256 bytes shown]" : ""));
1062 dStrHex((const char *)iop
->dxferp
,
1063 (trunc
? 256 : iop
->dxfer_len
) , 1);
1066 snprintf(&buff
[j
], (sz
> j
? (sz
- j
) : 0), "]\n");
1072 //return test commands
1073 if (iop
->cmnd
[0] == 0x00)
1076 user_aac_reply
*pReply
;
1078 #ifdef ENVIRONMENT64
1079 // Create user 64 bit request
1080 user_aac_srb64
*pSrb
;
1081 uint8_t aBuff
[sizeof(user_aac_srb64
) + sizeof(user_aac_reply
)] = {0,};
1083 pSrb
= (user_aac_srb64
*)aBuff
;
1084 pSrb
->count
= sizeof(user_aac_srb64
) - sizeof(user_sgentry64
);
1086 #elif defined(ENVIRONMENT32)
1087 //Create user 32 bit request
1088 user_aac_srb32
*pSrb
;
1089 uint8_t aBuff
[sizeof(user_aac_srb32
) + sizeof(user_aac_reply
)] = {0,};
1091 pSrb
= (user_aac_srb32
*)aBuff
;
1092 pSrb
->count
= sizeof(user_aac_srb32
) - sizeof(user_sgentry32
);
1095 pSrb
->function
= SRB_FUNCTION_EXECUTE_SCSI
;
1096 //channel is 0 always
1102 pSrb
->retry_limit
= 0;
1103 pSrb
->cdb_size
= iop
->cmnd_len
;
1105 switch(iop
->dxfer_dir
) {
1107 pSrb
->flags
= SRB_NoDataXfer
;
1109 case DXFER_FROM_DEVICE
:
1110 pSrb
->flags
= SRB_DataIn
;
1112 case DXFER_TO_DEVICE
:
1113 pSrb
->flags
= SRB_DataOut
;
1116 pout("aacraid: bad dxfer_dir\n");
1117 return set_err(EINVAL
, "aacraid: bad dxfer_dir\n");
1120 if(iop
->dxfer_len
> 0) {
1122 #ifdef ENVIRONMENT64
1123 pSrb
->sg64
.count
= 1;
1124 pSrb
->sg64
.sg64
[0].addr64
.lo32
= ((intptr_t)iop
->dxferp
) &
1126 pSrb
->sg64
.sg64
[0].addr64
.hi32
= ((intptr_t)iop
->dxferp
) >> 32;
1128 pSrb
->sg64
.sg64
[0].length
= (uint32_t)iop
->dxfer_len
;
1129 pSrb
->count
+= pSrb
->sg64
.count
* sizeof(user_sgentry64
);
1130 #elif defined(ENVIRONMENT32)
1131 pSrb
->sg32
.count
= 1;
1132 pSrb
->sg32
.sg32
[0].addr32
= (intptr_t)iop
->dxferp
;
1134 pSrb
->sg32
.sg32
[0].length
= (uint32_t)iop
->dxfer_len
;
1135 pSrb
->count
+= pSrb
->sg32
.count
* sizeof(user_sgentry32
);
1140 pReply
= (user_aac_reply
*)(aBuff
+pSrb
->count
);
1142 memcpy(pSrb
->cdb
,iop
->cmnd
,iop
->cmnd_len
);
1146 rc
= ioctl(get_fd(),FSACTL_SEND_RAW_SRB
,pSrb
);
1149 return set_err(errno
, "aacraid send_raw_srb: %d.%d = %s",
1150 aLun
, aId
, strerror(errno
));
1152 /* see kernel aacraid.h and MSDN SCSI_REQUEST_BLOCK documentation */
1153 #define SRB_STATUS_SUCCESS 0x1
1154 #define SRB_STATUS_ERROR 0x4
1155 #define SRB_STATUS_NO_DEVICE 0x08
1156 #define SRB_STATUS_SELECTION_TIMEOUT 0x0a
1157 #define SRB_STATUS_AUTOSENSE_VALID 0x80
1159 iop
->scsi_status
= pReply
->scsi_status
;
1161 if (pReply
->srb_status
== (SRB_STATUS_AUTOSENSE_VALID
| SRB_STATUS_ERROR
)
1162 && iop
->scsi_status
== SCSI_STATUS_CHECK_CONDITION
) {
1163 memcpy(iop
->sensep
, pReply
->sense_data
, pReply
->sense_data_size
);
1164 iop
->resp_sense_len
= pReply
->sense_data_size
;
1165 return true; /* request completed with sense data */
1168 switch (pReply
->srb_status
& 0x3f) {
1170 case SRB_STATUS_SUCCESS
:
1171 return true; /* request completed successfully */
1173 case SRB_STATUS_NO_DEVICE
:
1174 return set_err(EIO
, "aacraid: Device %d %d does not exist", aLun
, aId
);
1176 case SRB_STATUS_SELECTION_TIMEOUT
:
1177 return set_err(EIO
, "aacraid: Device %d %d not responding", aLun
, aId
);
1180 return set_err(EIO
, "aacraid result: %d.%d = 0x%x",
1181 aLun
, aId
, pReply
->srb_status
);
1186 /////////////////////////////////////////////////////////////////////////////
1187 /// LSI MegaRAID support
1189 class linux_megaraid_device
1190 : public /* implements */ scsi_device
,
1191 public /* extends */ linux_smart_device
1194 linux_megaraid_device(smart_interface
*intf
, const char *name
,
1197 virtual ~linux_megaraid_device() throw();
1199 virtual smart_device
* autodetect_open();
1201 virtual bool open();
1202 virtual bool close();
1204 virtual bool scsi_pass_through(scsi_cmnd_io
*iop
);
1207 unsigned int m_disknum
;
1211 bool (linux_megaraid_device::*pt_cmd
)(int cdblen
, void *cdb
, int dataLen
, void *data
,
1212 int senseLen
, void *sense
, int report
, int direction
);
1213 bool megasas_cmd(int cdbLen
, void *cdb
, int dataLen
, void *data
,
1214 int senseLen
, void *sense
, int report
, int direction
);
1215 bool megadev_cmd(int cdbLen
, void *cdb
, int dataLen
, void *data
,
1216 int senseLen
, void *sense
, int report
, int direction
);
1219 linux_megaraid_device::linux_megaraid_device(smart_interface
*intf
,
1220 const char *dev_name
, unsigned int tgt
)
1221 : smart_device(intf
, dev_name
, "megaraid", "megaraid"),
1222 linux_smart_device(O_RDWR
| O_NONBLOCK
),
1223 m_disknum(tgt
), m_hba(0),
1226 set_info().info_name
= strprintf("%s [megaraid_disk_%02d]", dev_name
, m_disknum
);
1227 set_info().dev_type
= strprintf("megaraid,%d", tgt
);
1230 linux_megaraid_device::~linux_megaraid_device() throw()
1236 smart_device
* linux_megaraid_device::autodetect_open()
1238 int report
= scsi_debugmode
;
1244 // The code below is based on smartd.cpp:SCSIFilterKnown()
1245 if (strcmp(get_req_type(), "megaraid"))
1249 unsigned char req_buff
[64] = {0, };
1251 if (scsiStdInquiry(this, req_buff
, req_len
)) {
1253 set_err(EIO
, "INQUIRY failed");
1257 int avail_len
= req_buff
[4] + 5;
1258 int len
= (avail_len
< req_len
? avail_len
: req_len
);
1263 pout("Got MegaRAID inquiry.. %s\n", req_buff
+8);
1265 // Use INQUIRY to detect type
1268 ata_device
* newdev
= smi()->autodetect_sat_device(this, req_buff
, len
);
1269 if (newdev
) // NOTE: 'this' is now owned by '*newdev'
1273 // Nothing special found
1277 bool linux_megaraid_device::open()
1281 int report
= scsi_debugmode
;
1283 if (sscanf(get_dev_name(), "/dev/bus/%u", &m_hba
) == 0) {
1284 if (!linux_smart_device::open())
1286 /* Get device HBA */
1287 struct sg_scsi_id sgid
;
1288 if (ioctl(get_fd(), SG_GET_SCSI_ID
, &sgid
) == 0) {
1289 m_hba
= sgid
.host_no
;
1291 else if (ioctl(get_fd(), SCSI_IOCTL_GET_BUS_NUMBER
, &m_hba
) != 0) {
1293 linux_smart_device::close();
1294 return set_err(err
, "can't get bus number");
1295 } // we dont need this device anymore
1296 linux_smart_device::close();
1298 /* Perform mknod of device ioctl node */
1299 FILE * fp
= fopen("/proc/devices", "r");
1300 while (fgets(line
, sizeof(line
), fp
) != NULL
) {
1302 if (sscanf(line
, "%d megaraid_sas_ioctl%n", &mjr
, &n1
) == 1 && n1
== 22) {
1303 n1
=mknod("/dev/megaraid_sas_ioctl_node", S_IFCHR
, makedev(mjr
, 0));
1305 pout("Creating /dev/megaraid_sas_ioctl_node = %d\n", n1
>= 0 ? 0 : errno
);
1306 if (n1
>= 0 || errno
== EEXIST
)
1309 else if (sscanf(line
, "%d megadev%n", &mjr
, &n1
) == 1 && n1
== 11) {
1310 n1
=mknod("/dev/megadev0", S_IFCHR
, makedev(mjr
, 0));
1312 pout("Creating /dev/megadev0 = %d\n", n1
>= 0 ? 0 : errno
);
1313 if (n1
>= 0 || errno
== EEXIST
)
1319 /* Open Device IOCTL node */
1320 if ((m_fd
= ::open("/dev/megaraid_sas_ioctl_node", O_RDWR
)) >= 0) {
1321 pt_cmd
= &linux_megaraid_device::megasas_cmd
;
1323 else if ((m_fd
= ::open("/dev/megadev0", O_RDWR
)) >= 0) {
1324 pt_cmd
= &linux_megaraid_device::megadev_cmd
;
1328 linux_smart_device::close();
1329 return set_err(err
, "cannot open /dev/megaraid_sas_ioctl_node or /dev/megadev0");
1335 bool linux_megaraid_device::close()
1339 m_fd
= -1; m_hba
= 0; pt_cmd
= 0;
1344 bool linux_megaraid_device::scsi_pass_through(scsi_cmnd_io
*iop
)
1346 int report
= scsi_debugmode
;
1350 const unsigned char * ucp
= iop
->cmnd
;
1353 const int sz
= (int)sizeof(buff
);
1355 np
= scsi_get_opcode_name(ucp
[0]);
1356 j
= snprintf(buff
, sz
, " [%s: ", np
? np
: "<unknown opcode>");
1357 for (k
= 0; k
< (int)iop
->cmnd_len
; ++k
)
1358 j
+= snprintf(&buff
[j
], (sz
> j
? (sz
- j
) : 0), "%02x ", ucp
[k
]);
1360 (DXFER_TO_DEVICE
== iop
->dxfer_dir
) && (iop
->dxferp
)) {
1361 int trunc
= (iop
->dxfer_len
> 256) ? 1 : 0;
1363 snprintf(&buff
[j
], (sz
> j
? (sz
- j
) : 0), "]\n Outgoing "
1364 "data, len=%d%s:\n", (int)iop
->dxfer_len
,
1365 (trunc
? " [only first 256 bytes shown]" : ""));
1366 dStrHex((const char *)iop
->dxferp
,
1367 (trunc
? 256 : iop
->dxfer_len
) , 1);
1370 snprintf(&buff
[j
], (sz
> j
? (sz
- j
) : 0), "]\n");
1374 // Controller rejects Test Unit Ready
1375 if (iop
->cmnd
[0] == 0x00)
1378 if (iop
->cmnd
[0] == SAT_ATA_PASSTHROUGH_12
|| iop
->cmnd
[0] == SAT_ATA_PASSTHROUGH_16
) {
1379 // Controller does not return ATA output registers in SAT sense data
1380 if (iop
->cmnd
[2] & (1 << 5)) // chk_cond
1381 return set_err(ENOSYS
, "ATA return descriptor not supported by controller firmware");
1383 // SMART WRITE LOG SECTOR causing media errors
1384 if ((iop
->cmnd
[0] == SAT_ATA_PASSTHROUGH_16
// SAT16 WRITE LOG
1385 && iop
->cmnd
[14] == ATA_SMART_CMD
&& iop
->cmnd
[3]==0 && iop
->cmnd
[4] == ATA_SMART_WRITE_LOG_SECTOR
) ||
1386 (iop
->cmnd
[0] == SAT_ATA_PASSTHROUGH_12
// SAT12 WRITE LOG
1387 && iop
->cmnd
[9] == ATA_SMART_CMD
&& iop
->cmnd
[3] == ATA_SMART_WRITE_LOG_SECTOR
))
1389 if(!failuretest_permissive
)
1390 return set_err(ENOSYS
, "SMART WRITE LOG SECTOR may cause problems, try with -T permissive to force");
1394 return (this->*pt_cmd
)(iop
->cmnd_len
, iop
->cmnd
,
1395 iop
->dxfer_len
, iop
->dxferp
,
1396 iop
->max_sense_len
, iop
->sensep
, report
, iop
->dxfer_dir
);
1399 /* Issue passthrough scsi command to PERC5/6 controllers */
1400 bool linux_megaraid_device::megasas_cmd(int cdbLen
, void *cdb
,
1401 int dataLen
, void *data
,
1402 int /*senseLen*/, void * /*sense*/, int /*report*/, int dxfer_dir
)
1404 struct megasas_pthru_frame
*pthru
;
1405 struct megasas_iocpacket uio
;
1407 memset(&uio
, 0, sizeof(uio
));
1408 pthru
= &uio
.frame
.pthru
;
1409 pthru
->cmd
= MFI_CMD_PD_SCSI_IO
;
1410 pthru
->cmd_status
= 0xFF;
1411 pthru
->scsi_status
= 0x0;
1412 pthru
->target_id
= m_disknum
;
1414 pthru
->cdb_len
= cdbLen
;
1416 switch (dxfer_dir
) {
1418 pthru
->flags
= MFI_FRAME_DIR_NONE
;
1420 case DXFER_FROM_DEVICE
:
1421 pthru
->flags
= MFI_FRAME_DIR_READ
;
1423 case DXFER_TO_DEVICE
:
1424 pthru
->flags
= MFI_FRAME_DIR_WRITE
;
1427 pout("megasas_cmd: bad dxfer_dir\n");
1428 return set_err(EINVAL
, "megasas_cmd: bad dxfer_dir\n");
1432 pthru
->sge_count
= 1;
1433 pthru
->data_xfer_len
= dataLen
;
1434 pthru
->sgl
.sge32
[0].phys_addr
= (intptr_t)data
;
1435 pthru
->sgl
.sge32
[0].length
= (uint32_t)dataLen
;
1437 memcpy(pthru
->cdb
, cdb
, cdbLen
);
1439 uio
.host_no
= m_hba
;
1442 uio
.sgl_off
= offsetof(struct megasas_pthru_frame
, sgl
);
1443 uio
.sgl
[0].iov_base
= data
;
1444 uio
.sgl
[0].iov_len
= dataLen
;
1448 int rc
= ioctl(m_fd
, MEGASAS_IOC_FIRMWARE
, &uio
);
1449 if (pthru
->cmd_status
|| rc
!= 0) {
1450 if (pthru
->cmd_status
== 12) {
1451 return set_err(EIO
, "megasas_cmd: Device %d does not exist\n", m_disknum
);
1453 return set_err((errno
? errno
: EIO
), "megasas_cmd result: %d.%d = %d/%d",
1454 m_hba
, m_disknum
, errno
,
1460 /* Issue passthrough scsi commands to PERC2/3/4 controllers */
1461 bool linux_megaraid_device::megadev_cmd(int cdbLen
, void *cdb
,
1462 int dataLen
, void *data
,
1463 int /*senseLen*/, void * /*sense*/, int /*report*/, int /* dir */)
1465 struct uioctl_t uio
;
1468 /* Don't issue to the controller */
1472 memset(&uio
, 0, sizeof(uio
));
1473 uio
.inlen
= dataLen
;
1474 uio
.outlen
= dataLen
;
1476 memset(data
, 0, dataLen
);
1477 uio
.ui
.fcs
.opcode
= 0x80; // M_RD_IOCTL_CMD
1478 uio
.ui
.fcs
.adapno
= MKADAP(m_hba
);
1480 uio
.data
.pointer
= (uint8_t *)data
;
1482 uio
.mbox
.cmd
= MEGA_MBOXCMD_PASSTHRU
;
1483 uio
.mbox
.xferaddr
= (intptr_t)&uio
.pthru
;
1486 uio
.pthru
.timeout
= 2;
1487 uio
.pthru
.channel
= 0;
1488 uio
.pthru
.target
= m_disknum
;
1489 uio
.pthru
.cdblen
= cdbLen
;
1490 uio
.pthru
.reqsenselen
= MAX_REQ_SENSE_LEN
;
1491 uio
.pthru
.dataxferaddr
= (intptr_t)data
;
1492 uio
.pthru
.dataxferlen
= dataLen
;
1493 memcpy(uio
.pthru
.cdb
, cdb
, cdbLen
);
1495 rc
=ioctl(m_fd
, MEGAIOCCMD
, &uio
);
1496 if (uio
.pthru
.scsistatus
|| rc
!= 0) {
1497 return set_err((errno
? errno
: EIO
), "megadev_cmd result: %d.%d = %d/%d",
1498 m_hba
, m_disknum
, errno
,
1499 uio
.pthru
.scsistatus
);
1504 /////////////////////////////////////////////////////////////////////////////
1505 /// CCISS RAID support
1507 #ifdef HAVE_LINUX_CCISS_IOCTL_H
1509 class linux_cciss_device
1510 : public /*implements*/ scsi_device
,
1511 public /*extends*/ linux_smart_device
1514 linux_cciss_device(smart_interface
* intf
, const char * name
, unsigned char disknum
);
1516 virtual bool scsi_pass_through(scsi_cmnd_io
* iop
);
1519 unsigned char m_disknum
; ///< Disk number.
1522 linux_cciss_device::linux_cciss_device(smart_interface
* intf
,
1523 const char * dev_name
, unsigned char disknum
)
1524 : smart_device(intf
, dev_name
, "cciss", "cciss"),
1525 linux_smart_device(O_RDWR
| O_NONBLOCK
),
1528 set_info().info_name
= strprintf("%s [cciss_disk_%02d]", dev_name
, disknum
);
1531 bool linux_cciss_device::scsi_pass_through(scsi_cmnd_io
* iop
)
1533 int status
= cciss_io_interface(get_fd(), m_disknum
, iop
, scsi_debugmode
);
1535 return set_err(-status
);
1539 #endif // HAVE_LINUX_CCISS_IOCTL_H
1541 /////////////////////////////////////////////////////////////////////////////
1542 /// AMCC/3ware RAID support
1544 class linux_escalade_device
1545 : public /*implements*/ ata_device
,
1546 public /*extends*/ linux_smart_device
1549 enum escalade_type_t
{
1551 AMCC_3WARE_678K_CHAR
,
1552 AMCC_3WARE_9000_CHAR
,
1553 AMCC_3WARE_9700_CHAR
1556 linux_escalade_device(smart_interface
* intf
, const char * dev_name
,
1557 escalade_type_t escalade_type
, int disknum
);
1559 virtual bool open();
1561 virtual bool ata_pass_through(const ata_cmd_in
& in
, ata_cmd_out
& out
);
1564 escalade_type_t m_escalade_type
; ///< Controller type
1565 int m_disknum
; ///< Disk number.
1568 linux_escalade_device::linux_escalade_device(smart_interface
* intf
, const char * dev_name
,
1569 escalade_type_t escalade_type
, int disknum
)
1570 : smart_device(intf
, dev_name
, "3ware", "3ware"),
1571 linux_smart_device(O_RDONLY
| O_NONBLOCK
),
1572 m_escalade_type(escalade_type
), m_disknum(disknum
)
1574 set_info().info_name
= strprintf("%s [3ware_disk_%02d]", dev_name
, disknum
);
1577 /* This function will setup and fix device nodes for a 3ware controller. */
1578 #define MAJOR_STRING_LENGTH 3
1579 #define DEVICE_STRING_LENGTH 32
1580 #define NODE_STRING_LENGTH 16
1581 static int setup_3ware_nodes(const char *nodename
, const char *driver_name
)
1585 char majorstring
[MAJOR_STRING_LENGTH
+1];
1586 char device_name
[DEVICE_STRING_LENGTH
+1];
1587 char nodestring
[NODE_STRING_LENGTH
];
1588 struct stat stat_buf
;
1592 security_context_t orig_context
= NULL
;
1593 security_context_t node_context
= NULL
;
1594 int selinux_enabled
= is_selinux_enabled();
1595 int selinux_enforced
= security_getenforce();
1598 /* First try to open up /proc/devices */
1599 if (!(file
= fopen("/proc/devices", "r"))) {
1600 pout("Error opening /proc/devices to check/create 3ware device nodes\n");
1602 return 0; // don't fail here: user might not have /proc !
1605 /* Attempt to get device major number */
1606 while (EOF
!= fscanf(file
, "%3s %32s", majorstring
, device_name
)) {
1607 majorstring
[MAJOR_STRING_LENGTH
]='\0';
1608 device_name
[DEVICE_STRING_LENGTH
]='\0';
1609 if (!strncmp(device_name
, nodename
, DEVICE_STRING_LENGTH
)) {
1610 tw_major
= atoi(majorstring
);
1616 /* See if we found a major device number */
1618 pout("No major number for /dev/%s listed in /proc/devices. Is the %s driver loaded?\n", nodename
, driver_name
);
1622 /* Prepare a database of contexts for files in /dev
1623 * and save the current context */
1624 if (selinux_enabled
) {
1625 if (matchpathcon_init_prefix(NULL
, "/dev") < 0)
1626 pout("Error initializing contexts database for /dev");
1627 if (getfscreatecon(&orig_context
) < 0) {
1628 pout("Error retrieving original SELinux fscreate context");
1629 if (selinux_enforced
)
1630 matchpathcon_fini();
1635 /* Now check if nodes are correct */
1636 for (index
=0; index
<16; index
++) {
1637 snprintf(nodestring
, sizeof(nodestring
), "/dev/%s%d", nodename
, index
);
1639 /* Get context of the node and set it as the default */
1640 if (selinux_enabled
) {
1641 if (matchpathcon(nodestring
, S_IRUSR
| S_IWUSR
, &node_context
) < 0) {
1642 pout("Could not retrieve context for %s", nodestring
);
1643 if (selinux_enforced
) {
1648 if (setfscreatecon(node_context
) < 0) {
1649 pout ("Error setting default fscreate context");
1650 if (selinux_enforced
) {
1657 /* Try to stat the node */
1658 if ((stat(nodestring
, &stat_buf
))) {
1659 pout("Node %s does not exist and must be created. Check the udev rules.\n", nodestring
);
1660 /* Create a new node if it doesn't exist */
1661 if (mknod(nodestring
, S_IFCHR
|0600, makedev(tw_major
, index
))) {
1662 pout("problem creating 3ware device nodes %s", nodestring
);
1668 if (selinux_enabled
&& node_context
) {
1669 freecon(node_context
);
1670 node_context
= NULL
;
1677 /* See if nodes major and minor numbers are correct */
1678 if ((tw_major
!= (int)(major(stat_buf
.st_rdev
))) ||
1679 (index
!= (int)(minor(stat_buf
.st_rdev
))) ||
1680 (!S_ISCHR(stat_buf
.st_mode
))) {
1681 pout("Node %s has wrong major/minor number and must be created anew."
1682 " Check the udev rules.\n", nodestring
);
1683 /* Delete the old node */
1684 if (unlink(nodestring
)) {
1685 pout("problem unlinking stale 3ware device node %s", nodestring
);
1691 /* Make a new node */
1692 if (mknod(nodestring
, S_IFCHR
|0600, makedev(tw_major
, index
))) {
1693 pout("problem creating 3ware device nodes %s", nodestring
);
1700 if (selinux_enabled
&& node_context
) {
1701 freecon(node_context
);
1702 node_context
= NULL
;
1708 if (selinux_enabled
) {
1709 if(setfscreatecon(orig_context
) < 0) {
1710 pout("Error re-setting original fscreate context");
1711 if (selinux_enforced
)
1715 freecon(orig_context
);
1717 freecon(node_context
);
1718 matchpathcon_fini();
1724 bool linux_escalade_device::open()
1726 if (m_escalade_type
== AMCC_3WARE_9700_CHAR
|| m_escalade_type
== AMCC_3WARE_9000_CHAR
||
1727 m_escalade_type
== AMCC_3WARE_678K_CHAR
) {
1728 // the device nodes for these controllers are dynamically assigned,
1729 // so we need to check that they exist with the correct major
1730 // numbers and if not, create them
1731 const char * node
= (m_escalade_type
== AMCC_3WARE_9700_CHAR
? "twl" :
1732 m_escalade_type
== AMCC_3WARE_9000_CHAR
? "twa" :
1734 const char * driver
= (m_escalade_type
== AMCC_3WARE_9700_CHAR
? "3w-sas" :
1735 m_escalade_type
== AMCC_3WARE_9000_CHAR
? "3w-9xxx" :
1737 if (setup_3ware_nodes(node
, driver
))
1738 return set_err((errno
? errno
: ENXIO
), "setup_3ware_nodes(\"%s\", \"%s\") failed", node
, driver
);
1740 // Continue with default open
1741 return linux_smart_device::open();
1744 // TODO: Function no longer useful
1745 //void printwarning(smart_command_set command);
1748 // This is an interface routine meant to isolate the OS dependent
1749 // parts of the code, and to provide a debugging interface. Each
1750 // different port and OS needs to provide it's own interface. This
1751 // is the linux interface to the 3ware 3w-xxxx driver. It allows ATA
1752 // commands to be passed through the SCSI driver.
1753 // DETAILED DESCRIPTION OF ARGUMENTS
1754 // fd: is the file descriptor provided by open()
1755 // disknum is the disk number (0 to 15) in the RAID array
1756 // escalade_type indicates the type of controller type, and if scsi or char interface is used
1757 // command: defines the different operations.
1758 // select: additional input data if needed (which log, which type of
1760 // data: location to write output data, if needed (512 bytes).
1761 // Note: not all commands use all arguments.
1763 // -1 if the command failed
1764 // 0 if the command succeeded,
1765 // STATUS_CHECK routine:
1766 // -1 if the command failed
1767 // 0 if the command succeeded and disk SMART status is "OK"
1768 // 1 if the command succeeded and disk SMART status is "FAILING"
1770 /* 512 is the max payload size: increase if needed */
1771 #define BUFFER_LEN_678K ( sizeof(TW_Ioctl) ) // 1044 unpacked, 1041 packed
1772 #define BUFFER_LEN_678K_CHAR ( sizeof(TW_New_Ioctl)+512-1 ) // 1539 unpacked, 1536 packed
1773 #define BUFFER_LEN_9000 ( sizeof(TW_Ioctl_Buf_Apache)+512-1 ) // 2051 unpacked, 2048 packed
1774 #define TW_IOCTL_BUFFER_SIZE ( MAX(MAX(BUFFER_LEN_678K, BUFFER_LEN_9000), BUFFER_LEN_678K_CHAR) )
1776 bool linux_escalade_device::ata_pass_through(const ata_cmd_in
& in
, ata_cmd_out
& out
)
1778 if (!ata_cmd_is_ok(in
,
1779 true, // data_out_support
1780 false, // TODO: multi_sector_support
1781 true) // ata_48bit_support
1785 // Used by both the SCSI and char interfaces
1786 TW_Passthru
*passthru
=NULL
;
1787 char ioctl_buffer
[TW_IOCTL_BUFFER_SIZE
];
1789 // only used for SCSI device interface
1790 TW_Ioctl
*tw_ioctl
=NULL
;
1791 TW_Output
*tw_output
=NULL
;
1793 // only used for 6000/7000/8000 char device interface
1794 TW_New_Ioctl
*tw_ioctl_char
=NULL
;
1796 // only used for 9000 character device interface
1797 TW_Ioctl_Buf_Apache
*tw_ioctl_apache
=NULL
;
1799 memset(ioctl_buffer
, 0, TW_IOCTL_BUFFER_SIZE
);
1801 // TODO: Handle controller differences by different classes
1802 if (m_escalade_type
== AMCC_3WARE_9700_CHAR
|| m_escalade_type
== AMCC_3WARE_9000_CHAR
) {
1803 tw_ioctl_apache
= (TW_Ioctl_Buf_Apache
*)ioctl_buffer
;
1804 tw_ioctl_apache
->driver_command
.control_code
= TW_IOCTL_FIRMWARE_PASS_THROUGH
;
1805 tw_ioctl_apache
->driver_command
.buffer_length
= 512; /* payload size */
1806 passthru
= (TW_Passthru
*)&(tw_ioctl_apache
->firmware_command
.command
.oldcommand
);
1808 else if (m_escalade_type
==AMCC_3WARE_678K_CHAR
) {
1809 tw_ioctl_char
= (TW_New_Ioctl
*)ioctl_buffer
;
1810 tw_ioctl_char
->data_buffer_length
= 512;
1811 passthru
= (TW_Passthru
*)&(tw_ioctl_char
->firmware_command
);
1813 else if (m_escalade_type
==AMCC_3WARE_678K
) {
1814 tw_ioctl
= (TW_Ioctl
*)ioctl_buffer
;
1815 tw_ioctl
->cdb
[0] = TW_IOCTL
;
1816 tw_ioctl
->opcode
= TW_ATA_PASSTHRU
;
1817 tw_ioctl
->input_length
= 512; // correct even for non-data commands
1818 tw_ioctl
->output_length
= 512; // correct even for non-data commands
1819 tw_output
= (TW_Output
*)tw_ioctl
;
1820 passthru
= (TW_Passthru
*)&(tw_ioctl
->input_data
);
1823 return set_err(ENOSYS
,
1824 "Unrecognized escalade_type %d in linux_3ware_command_interface(disk %d)\n"
1825 "Please contact " PACKAGE_BUGREPORT
"\n", (int)m_escalade_type
, m_disknum
);
1828 // Same for (almost) all commands - but some reset below
1829 passthru
->byte0
.opcode
= TW_OP_ATA_PASSTHRU
;
1830 passthru
->request_id
= 0xFF;
1831 passthru
->unit
= m_disknum
;
1832 passthru
->status
= 0;
1833 passthru
->flags
= 0x1;
1837 const ata_in_regs_48bit
& r
= in
.in_regs
;
1838 passthru
->features
= r
.features_16
;
1839 passthru
->sector_count
= r
.sector_count_16
;
1840 passthru
->sector_num
= r
.lba_low_16
;
1841 passthru
->cylinder_lo
= r
.lba_mid_16
;
1842 passthru
->cylinder_hi
= r
.lba_high_16
;
1843 passthru
->drive_head
= r
.device
;
1844 passthru
->command
= r
.command
;
1847 // Is this a command that reads or returns 512 bytes?
1848 // passthru->param values are:
1849 // 0x0 - non data command without TFR write check,
1850 // 0x8 - non data command with TFR write check,
1851 // 0xD - data command that returns data to host from device
1852 // 0xF - data command that writes data from host to device
1853 // passthru->size values are 0x5 for non-data and 0x07 for data
1854 bool readdata
= false;
1855 if (in
.direction
== ata_cmd_in::data_in
) {
1857 passthru
->byte0
.sgloff
= 0x5;
1858 passthru
->size
= 0x7; // TODO: Other value for multi-sector ?
1859 passthru
->param
= 0xD;
1860 // For 64-bit to work correctly, up the size of the command packet
1861 // in dwords by 1 to account for the 64-bit single sgl 'address'
1862 // field. Note that this doesn't agree with the typedefs but it's
1863 // right (agree with kernel driver behavior/typedefs).
1864 if ((m_escalade_type
== AMCC_3WARE_9700_CHAR
|| m_escalade_type
== AMCC_3WARE_9000_CHAR
)
1865 && sizeof(long) == 8)
1868 else if (in
.direction
== ata_cmd_in::no_data
) {
1869 // Non data command -- but doesn't use large sector
1870 // count register values.
1871 passthru
->byte0
.sgloff
= 0x0;
1872 passthru
->size
= 0x5;
1873 passthru
->param
= 0x8;
1874 passthru
->sector_count
= 0x0;
1876 else if (in
.direction
== ata_cmd_in::data_out
) {
1877 if (m_escalade_type
== AMCC_3WARE_9700_CHAR
|| m_escalade_type
== AMCC_3WARE_9000_CHAR
)
1878 memcpy(tw_ioctl_apache
->data_buffer
, in
.buffer
, in
.size
);
1879 else if (m_escalade_type
== AMCC_3WARE_678K_CHAR
)
1880 memcpy(tw_ioctl_char
->data_buffer
, in
.buffer
, in
.size
);
1882 // COMMAND NOT SUPPORTED VIA SCSI IOCTL INTERFACE
1883 // memcpy(tw_output->output_data, data, 512);
1884 // printwarning(command); // TODO: Parameter no longer valid
1885 return set_err(ENOTSUP
, "DATA OUT not supported for this 3ware controller type");
1887 passthru
->byte0
.sgloff
= 0x5;
1888 passthru
->size
= 0x7; // TODO: Other value for multi-sector ?
1889 passthru
->param
= 0xF; // PIO data write
1890 if ((m_escalade_type
== AMCC_3WARE_9700_CHAR
|| m_escalade_type
== AMCC_3WARE_9000_CHAR
)
1891 && sizeof(long) == 8)
1895 return set_err(EINVAL
);
1897 // Now send the command down through an ioctl()
1899 if (m_escalade_type
== AMCC_3WARE_9700_CHAR
|| m_escalade_type
== AMCC_3WARE_9000_CHAR
)
1900 ioctlreturn
=ioctl(get_fd(), TW_IOCTL_FIRMWARE_PASS_THROUGH
, tw_ioctl_apache
);
1901 else if (m_escalade_type
==AMCC_3WARE_678K_CHAR
)
1902 ioctlreturn
=ioctl(get_fd(), TW_CMD_PACKET_WITH_DATA
, tw_ioctl_char
);
1904 ioctlreturn
=ioctl(get_fd(), SCSI_IOCTL_SEND_COMMAND
, tw_ioctl
);
1906 // Deal with the different error cases
1908 if (AMCC_3WARE_678K
==m_escalade_type
1909 && in
.in_regs
.command
==ATA_SMART_CMD
1910 && ( in
.in_regs
.features
== ATA_SMART_AUTO_OFFLINE
1911 || in
.in_regs
.features
== ATA_SMART_AUTOSAVE
)
1912 && in
.in_regs
.lba_low
) {
1913 // error here is probably a kernel driver whose version is too old
1914 // printwarning(command); // TODO: Parameter no longer valid
1915 return set_err(ENOTSUP
, "Probably kernel driver too old");
1917 return set_err(EIO
);
1920 // The passthru structure is valid after return from an ioctl if:
1921 // - we are using the character interface OR
1922 // - we are using the SCSI interface and this is a NON-READ-DATA command
1923 // For SCSI interface, note that we set passthru to a different
1924 // value after ioctl().
1925 if (AMCC_3WARE_678K
==m_escalade_type
) {
1929 passthru
=(TW_Passthru
*)&(tw_output
->output_data
);
1932 // See if the ATA command failed. Now that we have returned from
1933 // the ioctl() call, if passthru is valid, then:
1934 // - passthru->status contains the 3ware controller STATUS
1935 // - passthru->command contains the ATA STATUS register
1936 // - passthru->features contains the ATA ERROR register
1938 // Check bits 0 (error bit) and 5 (device fault) of the ATA STATUS
1939 // If bit 0 (error bit) is set, then ATA ERROR register is valid.
1940 // While we *might* decode the ATA ERROR register, at the moment it
1941 // doesn't make much sense: we don't care in detail why the error
1944 if (passthru
&& (passthru
->status
|| (passthru
->command
& 0x21))) {
1945 return set_err(EIO
);
1948 // If this is a read data command, copy data to output buffer
1950 if (m_escalade_type
== AMCC_3WARE_9700_CHAR
|| m_escalade_type
== AMCC_3WARE_9000_CHAR
)
1951 memcpy(in
.buffer
, tw_ioctl_apache
->data_buffer
, in
.size
);
1952 else if (m_escalade_type
==AMCC_3WARE_678K_CHAR
)
1953 memcpy(in
.buffer
, tw_ioctl_char
->data_buffer
, in
.size
);
1955 memcpy(in
.buffer
, tw_output
->output_data
, in
.size
);
1958 // Return register values
1960 ata_out_regs_48bit
& r
= out
.out_regs
;
1961 r
.error
= passthru
->features
;
1962 r
.sector_count_16
= passthru
->sector_count
;
1963 r
.lba_low_16
= passthru
->sector_num
;
1964 r
.lba_mid_16
= passthru
->cylinder_lo
;
1965 r
.lba_high_16
= passthru
->cylinder_hi
;
1966 r
.device
= passthru
->drive_head
;
1967 r
.status
= passthru
->command
;
1970 // look for nonexistent devices/ports
1971 if ( in
.in_regs
.command
== ATA_IDENTIFY_DEVICE
1972 && !nonempty(in
.buffer
, in
.size
)) {
1973 return set_err(ENODEV
, "No drive on port %d", m_disknum
);
1979 /////////////////////////////////////////////////////////////////////////////
1980 /// Areca RAID support
1982 ///////////////////////////////////////////////////////////////////
1983 // SATA(ATA) device behind Areca RAID Controller
1984 class linux_areca_ata_device
1985 : public /*implements*/ areca_ata_device
,
1986 public /*extends*/ linux_smart_device
1989 linux_areca_ata_device(smart_interface
* intf
, const char * dev_name
, int disknum
, int encnum
= 1);
1990 virtual smart_device
* autodetect_open();
1991 virtual bool arcmsr_lock();
1992 virtual bool arcmsr_unlock();
1993 virtual int arcmsr_do_scsi_io(struct scsi_cmnd_io
* iop
);
1996 ///////////////////////////////////////////////////////////////////
1997 // SAS(SCSI) device behind Areca RAID Controller
1998 class linux_areca_scsi_device
1999 : public /*implements*/ areca_scsi_device
,
2000 public /*extends*/ linux_smart_device
2003 linux_areca_scsi_device(smart_interface
* intf
, const char * dev_name
, int disknum
, int encnum
= 1);
2004 virtual smart_device
* autodetect_open();
2005 virtual bool arcmsr_lock();
2006 virtual bool arcmsr_unlock();
2007 virtual int arcmsr_do_scsi_io(struct scsi_cmnd_io
* iop
);
2010 // Looks in /proc/scsi to suggest correct areca devices
2011 static int find_areca_in_proc()
2013 const char* proc_format_string
="host\tchan\tid\tlun\ttype\topens\tqdepth\tbusy\tonline\n";
2015 // check data formwat
2016 FILE *fp
=fopen("/proc/scsi/sg/device_hdr", "r");
2018 pout("Unable to open /proc/scsi/sg/device_hdr for reading\n");
2022 // get line, compare to format
2025 char *out
= fgets(linebuf
, 256, fp
);
2028 pout("Unable to read contents of /proc/scsi/sg/device_hdr\n");
2032 if (strcmp(linebuf
, proc_format_string
)) {
2034 // Fix this by comparing only tokens not white space!!
2035 pout("Unexpected format %s in /proc/scsi/sg/device_hdr\n", proc_format_string
);
2039 // Format is understood, now search for correct device
2040 fp
=fopen("/proc/scsi/sg/devices", "r");
2042 int host
, chan
, id
, lun
, type
, opens
, qdepth
, busy
, online
;
2045 // search all lines of /proc/scsi/sg/devices
2046 while (9 == fscanf(fp
, "%d %d %d %d %d %d %d %d %d", &host
, &chan
, &id
, &lun
, &type
, &opens
, &qdepth
, &busy
, &online
)) {
2048 if (id
== 16 && type
== 3) {
2049 // devices with id=16 and type=3 might be Areca controllers
2050 pout("Device /dev/sg%d appears to be an Areca controller.\n", dev
);
2058 // Areca RAID Controller(SATA Disk)
2059 linux_areca_ata_device::linux_areca_ata_device(smart_interface
* intf
, const char * dev_name
, int disknum
, int encnum
)
2060 : smart_device(intf
, dev_name
, "areca", "areca"),
2061 linux_smart_device(O_RDWR
| O_EXCL
| O_NONBLOCK
)
2063 set_disknum(disknum
);
2065 set_info().info_name
= strprintf("%s [areca_disk#%02d_enc#%02d]", dev_name
, disknum
, encnum
);
2068 smart_device
* linux_areca_ata_device::autodetect_open()
2070 // autodetect device type
2071 int is_ata
= arcmsr_get_dev_type();
2085 smart_device_auto_ptr
newdev(new linux_areca_scsi_device(smi(), get_dev_name(), get_disknum(), get_encnum()));
2088 newdev
->open(); // TODO: Can possibly pass open fd
2090 return newdev
.release();
2093 int linux_areca_ata_device::arcmsr_do_scsi_io(struct scsi_cmnd_io
* iop
)
2095 int ioctlreturn
= 0;
2099 find_areca_in_proc();
2103 ioctlreturn
= do_normal_scsi_cmnd_io(get_fd(), iop
, scsi_debugmode
);
2104 if ( ioctlreturn
|| iop
->scsi_status
)
2113 bool linux_areca_ata_device::arcmsr_lock()
2118 bool linux_areca_ata_device::arcmsr_unlock()
2123 // Areca RAID Controller(SAS Device)
2124 linux_areca_scsi_device::linux_areca_scsi_device(smart_interface
* intf
, const char * dev_name
, int disknum
, int encnum
)
2125 : smart_device(intf
, dev_name
, "areca", "areca"),
2126 linux_smart_device(O_RDWR
| O_EXCL
| O_NONBLOCK
)
2128 set_disknum(disknum
);
2130 set_info().info_name
= strprintf("%s [areca_disk#%02d_enc#%02d]", dev_name
, disknum
, encnum
);
2133 smart_device
* linux_areca_scsi_device::autodetect_open()
2138 int linux_areca_scsi_device::arcmsr_do_scsi_io(struct scsi_cmnd_io
* iop
)
2140 int ioctlreturn
= 0;
2144 find_areca_in_proc();
2148 ioctlreturn
= do_normal_scsi_cmnd_io(get_fd(), iop
, scsi_debugmode
);
2149 if ( ioctlreturn
|| iop
->scsi_status
)
2158 bool linux_areca_scsi_device::arcmsr_lock()
2163 bool linux_areca_scsi_device::arcmsr_unlock()
2168 /////////////////////////////////////////////////////////////////////////////
2171 class linux_marvell_device
2172 : public /*implements*/ ata_device_with_command_set
,
2173 public /*extends*/ linux_smart_device
2176 linux_marvell_device(smart_interface
* intf
, const char * dev_name
, const char * req_type
);
2179 virtual int ata_command_interface(smart_command_set command
, int select
, char * data
);
2182 linux_marvell_device::linux_marvell_device(smart_interface
* intf
,
2183 const char * dev_name
, const char * req_type
)
2184 : smart_device(intf
, dev_name
, "marvell", req_type
),
2185 linux_smart_device(O_RDONLY
| O_NONBLOCK
)
2189 int linux_marvell_device::ata_command_interface(smart_command_set command
, int select
, char * data
)
2198 mvsata_scsi_cmd smart_command
;
2199 unsigned char *buff
= (unsigned char *)&smart_command
.cmd
[6];
2200 // See struct hd_drive_cmd_hdr in hdreg.h
2201 // buff[0]: ATA COMMAND CODE REGISTER
2202 // buff[1]: ATA SECTOR NUMBER REGISTER
2203 // buff[2]: ATA FEATURES REGISTER
2204 // buff[3]: ATA SECTOR COUNT REGISTER
2206 // clear out buff. Large enough for HDIO_DRIVE_CMD (4+512 bytes)
2207 memset(&smart_command
, 0, sizeof(smart_command
));
2208 smart_command
.inlen
= 540;
2209 smart_command
.outlen
= 540;
2210 smart_command
.cmd
[0] = 0xC; //Vendor-specific code
2211 smart_command
.cmd
[4] = 6; //command length
2213 buff
[0] = ATA_SMART_CMD
;
2215 case CHECK_POWER_MODE
:
2216 buff
[0]=ATA_CHECK_POWER_MODE
;
2219 buff
[2]=ATA_SMART_READ_VALUES
;
2222 case READ_THRESHOLDS
:
2223 buff
[2]=ATA_SMART_READ_THRESHOLDS
;
2224 copydata
=buff
[1]=buff
[3]=1;
2227 buff
[2]=ATA_SMART_READ_LOG_SECTOR
;
2232 buff
[0]=ATA_IDENTIFY_DEVICE
;
2236 buff
[0]=ATA_IDENTIFY_PACKET_DEVICE
;
2240 buff
[2]=ATA_SMART_ENABLE
;
2244 buff
[2]=ATA_SMART_DISABLE
;
2249 // this command only says if SMART is working. It could be
2250 // replaced with STATUS_CHECK below.
2251 buff
[2] = ATA_SMART_STATUS
;
2254 buff
[2]=ATA_SMART_AUTO_OFFLINE
;
2255 buff
[3]=select
; // YET NOTE - THIS IS A NON-DATA COMMAND!!
2258 buff
[2]=ATA_SMART_AUTOSAVE
;
2259 buff
[3]=select
; // YET NOTE - THIS IS A NON-DATA COMMAND!!
2261 case IMMEDIATE_OFFLINE
:
2262 buff
[2]=ATA_SMART_IMMEDIATE_OFFLINE
;
2266 pout("Unrecognized command %d in mvsata_os_specific_handler()\n", command
);
2270 // There are two different types of ioctls(). The HDIO_DRIVE_TASK
2272 // We are now doing the HDIO_DRIVE_CMD type ioctl.
2273 if (ioctl(get_fd(), SCSI_IOCTL_SEND_COMMAND
, (void *)&smart_command
))
2276 if (command
==CHECK_POWER_MODE
) {
2277 // LEON -- CHECK THIS PLEASE. THIS SHOULD BE THE SECTOR COUNT
2278 // REGISTER, AND IT MIGHT BE buff[2] NOT buff[3]. Bruce
2283 // Always succeed on a SMART status, as a disk that failed returned
2284 // buff[4]=0xF4, buff[5]=0x2C, i.e. "Bad SMART status" (see below).
2285 if (command
== STATUS
)
2287 //Data returned is starting from 0 offset
2288 if (command
== STATUS_CHECK
)
2290 // Cyl low and Cyl high unchanged means "Good SMART status"
2291 if (buff
[4] == 0x4F && buff
[5] == 0xC2)
2293 // These values mean "Bad SMART status"
2294 if (buff
[4] == 0xF4 && buff
[5] == 0x2C)
2296 // We haven't gotten output that makes sense; print out some debugging info
2297 syserror("Error SMART Status command failed");
2298 pout("Please get assistance from %s\n",PACKAGE_BUGREPORT
);
2299 pout("Register values returned from SMART Status command are:\n");
2300 pout("CMD =0x%02x\n",(int)buff
[0]);
2301 pout("FR =0x%02x\n",(int)buff
[1]);
2302 pout("NS =0x%02x\n",(int)buff
[2]);
2303 pout("SC =0x%02x\n",(int)buff
[3]);
2304 pout("CL =0x%02x\n",(int)buff
[4]);
2305 pout("CH =0x%02x\n",(int)buff
[5]);
2306 pout("SEL=0x%02x\n",(int)buff
[6]);
2311 memcpy(data
, buff
, 512);
2315 /////////////////////////////////////////////////////////////////////////////
2316 /// Highpoint RAID support
2318 class linux_highpoint_device
2319 : public /*implements*/ ata_device_with_command_set
,
2320 public /*extends*/ linux_smart_device
2323 linux_highpoint_device(smart_interface
* intf
, const char * dev_name
,
2324 unsigned char controller
, unsigned char channel
, unsigned char port
);
2327 virtual int ata_command_interface(smart_command_set command
, int select
, char * data
);
2330 unsigned char m_hpt_data
[3]; ///< controller/channel/port
2333 linux_highpoint_device::linux_highpoint_device(smart_interface
* intf
, const char * dev_name
,
2334 unsigned char controller
, unsigned char channel
, unsigned char port
)
2335 : smart_device(intf
, dev_name
, "hpt", "hpt"),
2336 linux_smart_device(O_RDONLY
| O_NONBLOCK
)
2338 m_hpt_data
[0] = controller
; m_hpt_data
[1] = channel
; m_hpt_data
[2] = port
;
2339 set_info().info_name
= strprintf("%s [hpt_disk_%u/%u/%u]", dev_name
, m_hpt_data
[0], m_hpt_data
[1], m_hpt_data
[2]);
2342 // this implementation is derived from ata_command_interface with a header
2343 // packing for highpoint linux driver ioctl interface
2345 // ioctl(fd,HPTIO_CTL,buff)
2348 // structure of hpt_buff
2349 // +----+----+----+----+--------------------.....---------------------+
2350 // | 1 | 2 | 3 | 4 | 5 |
2351 // +----+----+----+----+--------------------.....---------------------+
2353 // 1: The target controller [ int ( 4 Bytes ) ]
2354 // 2: The channel of the target controllee [ int ( 4 Bytes ) ]
2355 // 3: HDIO_ ioctl call [ int ( 4 Bytes ) ]
2356 // available from ${LINUX_KERNEL_SOURCE}/Documentation/ioctl/hdio
2357 // 4: the pmport that disk attached, [ int ( 4 Bytes ) ]
2358 // if no pmport device, set to 1 or leave blank
2359 // 5: data [ void * ( var leangth ) ]
2361 #define STRANGE_BUFFER_LENGTH (4+512*0xf8)
2363 int linux_highpoint_device::ata_command_interface(smart_command_set command
, int select
, char * data
)
2365 unsigned char hpt_buff
[4*sizeof(int) + STRANGE_BUFFER_LENGTH
];
2366 unsigned int *hpt
= (unsigned int *)hpt_buff
;
2367 unsigned char *buff
= &hpt_buff
[4*sizeof(int)];
2369 const int HDIO_DRIVE_CMD_OFFSET
= 4;
2371 memset(hpt_buff
, 0, 4*sizeof(int) + STRANGE_BUFFER_LENGTH
);
2372 hpt
[0] = m_hpt_data
[0]; // controller id
2373 hpt
[1] = m_hpt_data
[1]; // channel number
2374 hpt
[3] = m_hpt_data
[2]; // pmport number
2376 buff
[0]=ATA_SMART_CMD
;
2378 case CHECK_POWER_MODE
:
2379 buff
[0]=ATA_CHECK_POWER_MODE
;
2383 buff
[2]=ATA_SMART_READ_VALUES
;
2387 case READ_THRESHOLDS
:
2388 buff
[2]=ATA_SMART_READ_THRESHOLDS
;
2393 buff
[2]=ATA_SMART_READ_LOG_SECTOR
;
2401 buff
[0]=ATA_IDENTIFY_DEVICE
;
2406 buff
[0]=ATA_IDENTIFY_PACKET_DEVICE
;
2411 buff
[2]=ATA_SMART_ENABLE
;
2415 buff
[2]=ATA_SMART_DISABLE
;
2419 buff
[2]=ATA_SMART_STATUS
;
2422 buff
[2]=ATA_SMART_AUTO_OFFLINE
;
2426 buff
[2]=ATA_SMART_AUTOSAVE
;
2429 case IMMEDIATE_OFFLINE
:
2430 buff
[2]=ATA_SMART_IMMEDIATE_OFFLINE
;
2434 buff
[1]=ATA_SMART_STATUS
;
2437 pout("Unrecognized command %d in linux_highpoint_command_interface()\n"
2438 "Please contact " PACKAGE_BUGREPORT
"\n", command
);
2443 if (command
==WRITE_LOG
) {
2444 unsigned char task
[4*sizeof(int)+sizeof(ide_task_request_t
)+512];
2445 unsigned int *hpt_tf
= (unsigned int *)task
;
2446 ide_task_request_t
*reqtask
= (ide_task_request_t
*)(&task
[4*sizeof(int)]);
2447 task_struct_t
*taskfile
= (task_struct_t
*)reqtask
->io_ports
;
2449 memset(task
, 0, sizeof(task
));
2451 hpt_tf
[0] = m_hpt_data
[0]; // controller id
2452 hpt_tf
[1] = m_hpt_data
[1]; // channel number
2453 hpt_tf
[3] = m_hpt_data
[2]; // pmport number
2454 hpt_tf
[2] = HDIO_DRIVE_TASKFILE
; // real hd ioctl
2457 taskfile
->feature
= ATA_SMART_WRITE_LOG_SECTOR
;
2458 taskfile
->sector_count
= 1;
2459 taskfile
->sector_number
= select
;
2460 taskfile
->low_cylinder
= 0x4f;
2461 taskfile
->high_cylinder
= 0xc2;
2462 taskfile
->device_head
= 0;
2463 taskfile
->command
= ATA_SMART_CMD
;
2465 reqtask
->data_phase
= TASKFILE_OUT
;
2466 reqtask
->req_cmd
= IDE_DRIVE_TASK_OUT
;
2467 reqtask
->out_size
= 512;
2468 reqtask
->in_size
= 0;
2470 memcpy(task
+sizeof(ide_task_request_t
)+4*sizeof(int), data
, 512);
2472 if (ioctl(get_fd(), HPTIO_CTL
, task
))
2478 if (command
==STATUS_CHECK
){
2479 unsigned const char normal_lo
=0x4f, normal_hi
=0xc2;
2480 unsigned const char failed_lo
=0xf4, failed_hi
=0x2c;
2484 hpt
[2] = HDIO_DRIVE_TASK
;
2486 if (ioctl(get_fd(), HPTIO_CTL
, hpt_buff
))
2489 if (buff
[4]==normal_lo
&& buff
[5]==normal_hi
)
2492 if (buff
[4]==failed_lo
&& buff
[5]==failed_hi
)
2495 syserror("Error SMART Status command failed");
2496 pout("Please get assistance from " PACKAGE_HOMEPAGE
"\n");
2497 pout("Register values returned from SMART Status command are:\n");
2498 pout("CMD=0x%02x\n",(int)buff
[0]);
2499 pout("FR =0x%02x\n",(int)buff
[1]);
2500 pout("NS =0x%02x\n",(int)buff
[2]);
2501 pout("SC =0x%02x\n",(int)buff
[3]);
2502 pout("CL =0x%02x\n",(int)buff
[4]);
2503 pout("CH =0x%02x\n",(int)buff
[5]);
2504 pout("SEL=0x%02x\n",(int)buff
[6]);
2509 if (command
==IDENTIFY
|| command
==PIDENTIFY
) {
2510 unsigned char deviceid
[4*sizeof(int)+512*sizeof(char)];
2511 unsigned int *hpt_id
= (unsigned int *)deviceid
;
2513 hpt_id
[0] = m_hpt_data
[0]; // controller id
2514 hpt_id
[1] = m_hpt_data
[1]; // channel number
2515 hpt_id
[3] = m_hpt_data
[2]; // pmport number
2517 hpt_id
[2] = HDIO_GET_IDENTITY
;
2518 if (!ioctl(get_fd(), HPTIO_CTL
, deviceid
) && (deviceid
[4*sizeof(int)] & 0x8000))
2519 buff
[0]=(command
==IDENTIFY
)?ATA_IDENTIFY_PACKET_DEVICE
:ATA_IDENTIFY_DEVICE
;
2523 hpt
[2] = HDIO_DRIVE_CMD
;
2524 if ((ioctl(get_fd(), HPTIO_CTL
, hpt_buff
)))
2527 if (command
==CHECK_POWER_MODE
)
2528 buff
[HDIO_DRIVE_CMD_OFFSET
]=buff
[2];
2531 memcpy(data
, buff
+HDIO_DRIVE_CMD_OFFSET
, copydata
);
2536 #if 0 // TODO: Migrate from 'smart_command_set' to 'ata_in_regs' OR remove the function
2537 // Utility function for printing warnings
2538 void printwarning(smart_command_set command
){
2539 static int printed
[4]={0,0,0,0};
2540 const char* message
=
2541 "can not be passed through the 3ware 3w-xxxx driver. This can be fixed by\n"
2542 "applying a simple 3w-xxxx driver patch that can be found here:\n"
2543 PACKAGE_HOMEPAGE
"\n"
2544 "Alternatively, upgrade your 3w-xxxx driver to version 1.02.00.037 or greater.\n\n";
2546 if (command
==AUTO_OFFLINE
&& !printed
[0]) {
2548 pout("The SMART AUTO-OFFLINE ENABLE command (smartmontools -o on option/Directive)\n%s", message
);
2550 else if (command
==AUTOSAVE
&& !printed
[1]) {
2552 pout("The SMART AUTOSAVE ENABLE command (smartmontools -S on option/Directive)\n%s", message
);
2554 else if (command
==STATUS_CHECK
&& !printed
[2]) {
2556 pout("The SMART RETURN STATUS return value (smartmontools -H option/Directive)\n%s", message
);
2558 else if (command
==WRITE_LOG
&& !printed
[3]) {
2560 pout("The SMART WRITE LOG command (smartmontools -t selective) only supported via char /dev/tw[ae] interface\n");
2567 /////////////////////////////////////////////////////////////////////////////
2568 /// SCSI open with autodetection support
2570 smart_device
* linux_scsi_device::autodetect_open()
2576 // No Autodetection if device type was specified by user
2577 bool sat_only
= false;
2578 if (*get_req_type()) {
2579 // Detect SAT if device object was created by scan_smart_devices().
2580 if (!(m_scanning
&& !strcmp(get_req_type(), "sat")))
2585 // The code below is based on smartd.cpp:SCSIFilterKnown()
2588 unsigned char req_buff
[64] = {0, };
2590 if (scsiStdInquiry(this, req_buff
, req_len
)) {
2591 // Marvell controllers fail on a 36 bytes StdInquiry, but 64 suffices
2592 // watch this spot ... other devices could lock up here
2594 if (scsiStdInquiry(this, req_buff
, req_len
)) {
2595 // device doesn't like INQUIRY commands
2597 set_err(EIO
, "INQUIRY failed");
2602 int avail_len
= req_buff
[4] + 5;
2603 int len
= (avail_len
< req_len
? avail_len
: req_len
);
2607 set_err(EIO
, "INQUIRY too short for SAT");
2612 // Use INQUIRY to detect type
2616 if (!memcmp(req_buff
+ 8, "3ware", 5) || !memcmp(req_buff
+ 8, "AMCC", 4)) {
2618 set_err(EINVAL
, "AMCC/3ware controller, please try adding '-d 3ware,N',\n"
2619 "you may need to replace %s with /dev/twlN, /dev/twaN or /dev/tweN", get_dev_name());
2624 if (!memcmp(req_buff
+ 8, "DELL PERC", 12) || !memcmp(req_buff
+ 8, "MegaRAID", 8)
2625 || !memcmp(req_buff
+ 16, "PERC H700", 9) || !memcmp(req_buff
+ 8, "LSI\0",4)
2628 set_err(EINVAL
, "DELL or MegaRaid controller, please try adding '-d megaraid,N'");
2633 if (len
>= 42 && !memcmp(req_buff
+ 36, "MVSATA", 6)) {
2634 //pout("Device %s: using '-d marvell' for ATA disk with Marvell driver\n", get_dev_name());
2636 smart_device_auto_ptr
newdev(
2637 new linux_marvell_device(smi(), get_dev_name(), get_req_type())
2639 newdev
->open(); // TODO: Can possibly pass open fd
2641 return newdev
.release();
2647 smart_device
* newdev
= smi()->autodetect_sat_device(this, req_buff
, len
);
2649 // NOTE: 'this' is now owned by '*newdev'
2653 // Nothing special found
2657 set_err(EIO
, "Not a SAT device");
2662 /////////////////////////////////////////////////////////////////////////////
2665 class linux_nvme_device
2666 : public /*implements*/ nvme_device
,
2667 public /*extends*/ linux_smart_device
2670 linux_nvme_device(smart_interface
* intf
, const char * dev_name
,
2671 const char * req_type
, unsigned nsid
);
2673 virtual bool open();
2675 virtual bool nvme_pass_through(const nvme_cmd_in
& in
, nvme_cmd_out
& out
);
2678 linux_nvme_device::linux_nvme_device(smart_interface
* intf
, const char * dev_name
,
2679 const char * req_type
, unsigned nsid
)
2680 : smart_device(intf
, dev_name
, "nvme", req_type
),
2682 linux_smart_device(O_RDONLY
| O_NONBLOCK
)
2686 bool linux_nvme_device::open()
2688 if (!linux_smart_device::open())
2692 // Use actual NSID (/dev/nvmeXnN) if available,
2693 // else use broadcast namespace (/dev/nvmeX)
2694 int nsid
= ioctl(get_fd(), NVME_IOCTL_ID
, (void*)0);
2701 bool linux_nvme_device::nvme_pass_through(const nvme_cmd_in
& in
, nvme_cmd_out
& out
)
2703 nvme_passthru_cmd pt
;
2704 memset(&pt
, 0, sizeof(pt
));
2706 pt
.opcode
= in
.opcode
;
2708 pt
.addr
= (uint64_t)in
.buffer
;
2709 pt
.data_len
= in
.size
;
2710 pt
.cdw10
= in
.cdw10
;
2711 pt
.cdw11
= in
.cdw11
;
2712 pt
.cdw12
= in
.cdw12
;
2713 pt
.cdw13
= in
.cdw13
;
2714 pt
.cdw14
= in
.cdw14
;
2715 pt
.cdw15
= in
.cdw15
;
2716 // Kernel default for NVMe admin commands is 60 seconds
2717 // pt.timeout_ms = 60 * 1000;
2719 int status
= ioctl(get_fd(), NVME_IOCTL_ADMIN_CMD
, &pt
);
2722 return set_err(errno
, "NVME_IOCTL_ADMIN_CMD: %s", strerror(errno
));
2725 return set_nvme_err(out
, status
);
2727 out
.result
= pt
.result
;
2732 //////////////////////////////////////////////////////////////////////
2733 // USB bridge ID detection
2735 // Read USB ID from /sys file
2736 static bool read_id(const std::string
& path
, unsigned short & id
)
2738 FILE * f
= fopen(path
.c_str(), "r");
2742 bool ok
= (fscanf(f
, "%hx%n", &id
, &n
) == 1 && n
== 4);
2747 // Get USB bridge ID for "sdX"
2748 static bool get_usb_id(const char * name
, unsigned short & vendor_id
,
2749 unsigned short & product_id
, unsigned short & version
)
2751 // Only "sdX" supported
2752 if (!(!strncmp(name
, "sd", 2) && !strchr(name
, '/')))
2755 // Start search at dir referenced by symlink "/sys/block/sdX/device"
2756 // -> "/sys/devices/.../usb*/.../host*/target*/..."
2757 std::string dir
= strprintf("/sys/block/%s/device", name
);
2759 // Stop search at "/sys/devices"
2761 if (stat("/sys/devices", &st
))
2763 ino_t stop_ino
= st
.st_ino
;
2765 // Search in parent directories until "idVendor" is found,
2766 // fail if "/sys/devices" reached or too many iterations
2770 if (!(++cnt
< 10 && !stat(dir
.c_str(), &st
) && st
.st_ino
!= stop_ino
))
2772 } while (access((dir
+ "/idVendor").c_str(), 0));
2775 if (!( read_id(dir
+ "/idVendor", vendor_id
)
2776 && read_id(dir
+ "/idProduct", product_id
)
2777 && read_id(dir
+ "/bcdDevice", version
) ))
2780 if (scsi_debugmode
> 1)
2781 pout("USB ID = 0x%04x:0x%04x (0x%03x)\n", vendor_id
, product_id
, version
);
2785 //////////////////////////////////////////////////////////////////////
2788 class linux_smart_interface
2789 : public /*implements*/ smart_interface
2792 virtual std::string
get_os_version_str();
2794 virtual std::string
get_app_examples(const char * appname
);
2796 virtual bool scan_smart_devices(smart_device_list
& devlist
, const char * type
,
2797 const char * pattern
= 0);
2800 virtual ata_device
* get_ata_device(const char * name
, const char * type
);
2802 virtual scsi_device
* get_scsi_device(const char * name
, const char * type
);
2804 virtual nvme_device
* get_nvme_device(const char * name
, const char * type
,
2807 virtual smart_device
* autodetect_smart_device(const char * name
);
2809 virtual smart_device
* get_custom_smart_device(const char * name
, const char * type
);
2811 virtual std::string
get_valid_custom_dev_types_str();
2814 bool get_dev_list(smart_device_list
& devlist
, const char * pattern
,
2815 bool scan_ata
, bool scan_scsi
, bool scan_nvme
,
2816 const char * req_type
, bool autodetect
);
2818 bool get_dev_megasas(smart_device_list
& devlist
);
2819 smart_device
* missing_option(const char * opt
);
2820 int megasas_dcmd_cmd(int bus_no
, uint32_t opcode
, void *buf
,
2821 size_t bufsize
, uint8_t *mbox
, size_t mboxlen
, uint8_t *statusp
);
2822 int megasas_pd_add_list(int bus_no
, smart_device_list
& devlist
);
2825 std::string
linux_smart_interface::get_os_version_str()
2829 return strprintf("%s-linux-%s", u
.machine
, u
.release
);
2831 return SMARTMONTOOLS_BUILD_HOST
;
2834 std::string
linux_smart_interface::get_app_examples(const char * appname
)
2836 if (!strcmp(appname
, "smartctl"))
2837 return smartctl_examples
;
2841 // we are going to take advantage of the fact that Linux's devfs will only
2842 // have device entries for devices that exist.
2843 bool linux_smart_interface::get_dev_list(smart_device_list
& devlist
,
2844 const char * pattern
, bool scan_ata
, bool scan_scsi
, bool scan_nvme
,
2845 const char * req_type
, bool autodetect
)
2847 // Use glob to look for any directory entries matching the pattern
2849 memset(&globbuf
, 0, sizeof(globbuf
));
2850 int retglob
= glob(pattern
, GLOB_ERR
, NULL
, &globbuf
);
2852 // glob failed: free memory and return
2855 if (retglob
==GLOB_NOMATCH
){
2856 pout("glob(3) found no matches for pattern %s\n", pattern
);
2860 if (retglob
==GLOB_NOSPACE
)
2861 set_err(ENOMEM
, "glob(3) ran out of memory matching pattern %s", pattern
);
2862 #ifdef GLOB_ABORTED // missing in old versions of glob.h
2863 else if (retglob
==GLOB_ABORTED
)
2864 set_err(EINVAL
, "glob(3) aborted matching pattern %s", pattern
);
2867 set_err(EINVAL
, "Unexplained error in glob(3) of pattern %s", pattern
);
2872 // did we find too many paths?
2873 const int max_pathc
= 1024;
2874 int n
= (int)globbuf
.gl_pathc
;
2875 if (n
> max_pathc
) {
2876 pout("glob(3) found %d > MAX=%d devices matching pattern %s: ignoring %d paths\n",
2877 n
, max_pathc
, pattern
, n
- max_pathc
);
2881 // now step through the list returned by glob. If not a link, copy
2882 // to list. If it is a link, evaluate it and see if the path ends
2884 for (int i
= 0; i
< n
; i
++){
2885 // see if path is a link
2887 int retlink
= readlink(globbuf
.gl_pathv
[i
], linkbuf
, sizeof(linkbuf
)-1);
2889 char tmpname
[1024]={0};
2890 const char * name
= 0;
2891 bool is_scsi
= scan_scsi
;
2892 // if not a link (or a strange link), keep it
2893 if (retlink
<=0 || retlink
>1023)
2894 name
= globbuf
.gl_pathv
[i
];
2896 // or if it's a link that points to a disc, follow it
2897 linkbuf
[retlink
] = 0;
2899 if ((p
=strrchr(linkbuf
, '/')) && !strcmp(p
+1, "disc"))
2900 // This is the branch of the code that gets followed if we are
2901 // using devfs WITH traditional compatibility links. In this
2902 // case, we add the traditional device name to the list that
2904 name
= globbuf
.gl_pathv
[i
];
2906 // This is the branch of the code that gets followed if we are
2907 // using devfs WITHOUT traditional compatibility links. In
2908 // this case, we check that the link to the directory is of
2909 // the correct type, and then append "disc" to it.
2910 bool match_ata
= strstr(linkbuf
, "ide");
2911 bool match_scsi
= strstr(linkbuf
, "scsi");
2912 if (((match_ata
&& scan_ata
) || (match_scsi
&& scan_scsi
)) && !(match_ata
&& match_scsi
)) {
2913 is_scsi
= match_scsi
;
2914 snprintf(tmpname
, sizeof(tmpname
), "%s/disc", globbuf
.gl_pathv
[i
]);
2921 // Found a name, add device to list.
2924 dev
= autodetect_smart_device(name
);
2926 dev
= new linux_scsi_device(this, name
, req_type
, true /*scanning*/);
2928 dev
= new linux_nvme_device(this, name
, req_type
, 0 /* use default nsid */);
2930 dev
= new linux_ata_device(this, name
, req_type
);
2931 if (dev
) // autodetect_smart_device() may return nullptr.
2932 devlist
.push_back(dev
);
2941 // getting devices from LSI SAS MegaRaid, if available
2942 bool linux_smart_interface::get_dev_megasas(smart_device_list
& devlist
)
2944 /* Scanning of disks on MegaRaid device */
2945 /* Perform mknod of device ioctl node */
2948 bool scan_megasas
= false;
2949 FILE * fp
= fopen("/proc/devices", "r");
2950 while (fgets(line
, sizeof(line
), fp
) != NULL
) {
2952 if (sscanf(line
, "%d megaraid_sas_ioctl%n", &mjr
, &n1
) == 1 && n1
== 22) {
2953 scan_megasas
= true;
2954 n1
=mknod("/dev/megaraid_sas_ioctl_node", S_IFCHR
, makedev(mjr
, 0));
2955 if(scsi_debugmode
> 0)
2956 pout("Creating /dev/megaraid_sas_ioctl_node = %d\n", n1
>= 0 ? 0 : errno
);
2957 if (n1
>= 0 || errno
== EEXIST
)
2966 // getting bus numbers with megasas devices
2967 // we are using sysfs to get list of all scsi hosts
2968 DIR * dp
= opendir ("/sys/class/scsi_host/");
2972 while ((ep
= readdir (dp
)) != NULL
) {
2973 unsigned int host_no
= 0;
2974 if (!sscanf(ep
->d_name
, "host%u", &host_no
))
2976 /* proc_name should be megaraid_sas */
2978 snprintf(sysfsdir
, sizeof(sysfsdir
) - 1,
2979 "/sys/class/scsi_host/host%u/proc_name", host_no
);
2980 if((fp
= fopen(sysfsdir
, "r")) == NULL
)
2982 if(fgets(line
, sizeof(line
), fp
) != NULL
&& !strncmp(line
,"megaraid_sas",12)) {
2983 megasas_pd_add_list(host_no
, devlist
);
2987 (void) closedir (dp
);
2988 } else { /* sysfs not mounted ? */
2989 for(unsigned i
= 0; i
<=16; i
++) // trying to add devices on first 16 buses
2990 megasas_pd_add_list(i
, devlist
);
2995 bool linux_smart_interface::scan_smart_devices(smart_device_list
& devlist
,
2996 const char * type
, const char * pattern
/*= 0*/)
2999 set_err(EINVAL
, "DEVICESCAN with pattern not implemented yet");
3006 bool scan_ata
= (!*type
|| !strcmp(type
, "ata" ));
3007 // "sat" detection will be later handled in linux_scsi_device::autodetect_open()
3008 bool scan_scsi
= (!*type
|| !strcmp(type
, "scsi") || !strcmp(type
, "sat"));
3010 #ifdef WITH_NVME_DEVICESCAN // TODO: Remove when NVMe support is no longer EXPERIMENTAL
3011 bool scan_nvme
= (!*type
|| !strcmp(type
, "nvme"));
3013 bool scan_nvme
= ( !strcmp(type
, "nvme"));
3016 if (!(scan_ata
|| scan_scsi
|| scan_nvme
)) {
3017 set_err(EINVAL
, "Invalid type '%s', valid arguments are: ata, scsi, sat, nvme", type
);
3022 get_dev_list(devlist
, "/dev/hd[a-t]", true, false, false, type
, false);
3024 bool autodetect
= !*type
; // Try USB autodetection if no type specifed
3025 get_dev_list(devlist
, "/dev/sd[a-z]", false, true, false, type
, autodetect
);
3026 // Support up to 104 devices
3027 get_dev_list(devlist
, "/dev/sd[a-c][a-z]", false, true, false, type
, autodetect
);
3028 // get device list from the megaraid device
3029 get_dev_megasas(devlist
);
3032 get_dev_list(devlist
, "/dev/nvme[0-9]", false, false, true, type
, false);
3033 get_dev_list(devlist
, "/dev/nvme[1-9][0-9]", false, false, true, type
, false);
3036 // if we found traditional links, we are done
3037 if (devlist
.size() > 0)
3040 // else look for devfs entries without traditional links
3041 // TODO: Add udev support
3042 return get_dev_list(devlist
, "/dev/discs/disc*", scan_ata
, scan_scsi
, false, type
, false);
3045 ata_device
* linux_smart_interface::get_ata_device(const char * name
, const char * type
)
3047 return new linux_ata_device(this, name
, type
);
3050 scsi_device
* linux_smart_interface::get_scsi_device(const char * name
, const char * type
)
3052 return new linux_scsi_device(this, name
, type
);
3055 nvme_device
* linux_smart_interface::get_nvme_device(const char * name
, const char * type
,
3058 return new linux_nvme_device(this, name
, type
, nsid
);
3061 smart_device
* linux_smart_interface::missing_option(const char * opt
)
3063 set_err(EINVAL
, "requires option '%s'", opt
);
3068 linux_smart_interface::megasas_dcmd_cmd(int bus_no
, uint32_t opcode
, void *buf
,
3069 size_t bufsize
, uint8_t *mbox
, size_t mboxlen
, uint8_t *statusp
)
3071 struct megasas_iocpacket ioc
;
3073 if ((mbox
!= NULL
&& (mboxlen
== 0 || mboxlen
> MFI_MBOX_SIZE
)) ||
3074 (mbox
== NULL
&& mboxlen
!= 0))
3080 bzero(&ioc
, sizeof(ioc
));
3081 struct megasas_dcmd_frame
* dcmd
= &ioc
.frame
.dcmd
;
3082 ioc
.host_no
= bus_no
;
3084 bcopy(mbox
, dcmd
->mbox
.w
, mboxlen
);
3085 dcmd
->cmd
= MFI_CMD_DCMD
;
3088 dcmd
->data_xfer_len
= bufsize
;
3089 dcmd
->opcode
= opcode
;
3092 dcmd
->sge_count
= 1;
3093 dcmd
->data_xfer_len
= bufsize
;
3094 dcmd
->sgl
.sge32
[0].phys_addr
= (intptr_t)buf
;
3095 dcmd
->sgl
.sge32
[0].length
= (uint32_t)bufsize
;
3097 ioc
.sgl_off
= offsetof(struct megasas_dcmd_frame
, sgl
);
3098 ioc
.sgl
[0].iov_base
= buf
;
3099 ioc
.sgl
[0].iov_len
= bufsize
;
3103 if ((fd
= ::open("/dev/megaraid_sas_ioctl_node", O_RDWR
)) <= 0) {
3107 int r
= ioctl(fd
, MEGASAS_IOC_FIRMWARE
, &ioc
);
3113 if (statusp
!= NULL
)
3114 *statusp
= dcmd
->cmd_status
;
3115 else if (dcmd
->cmd_status
!= MFI_STAT_OK
) {
3116 fprintf(stderr
, "command %x returned error status %x\n",
3117 opcode
, dcmd
->cmd_status
);
3125 linux_smart_interface::megasas_pd_add_list(int bus_no
, smart_device_list
& devlist
)
3128 * Keep fetching the list in a loop until we have a large enough
3129 * buffer to hold the entire list.
3131 megasas_pd_list
* list
= 0;
3132 for (unsigned list_size
= 1024; ; ) {
3133 list
= reinterpret_cast<megasas_pd_list
*>(realloc(list
, list_size
));
3135 throw std::bad_alloc();
3136 bzero(list
, list_size
);
3137 if (megasas_dcmd_cmd(bus_no
, MFI_DCMD_PD_GET_LIST
, list
, list_size
, NULL
, 0,
3143 if (list
->size
<= list_size
)
3145 list_size
= list
->size
;
3148 // adding all SCSI devices
3149 for (unsigned i
= 0; i
< list
->count
; i
++) {
3150 if(list
->addr
[i
].scsi_dev_type
)
3151 continue; /* non disk device found */
3153 snprintf(line
, sizeof(line
) - 1, "/dev/bus/%d", bus_no
);
3154 smart_device
* dev
= new linux_megaraid_device(this, line
, list
->addr
[i
].device_id
);
3155 devlist
.push_back(dev
);
3161 // Return kernel release as integer ("2.6.31" -> 206031)
3162 static unsigned get_kernel_release()
3167 unsigned x
= 0, y
= 0, z
= 0;
3168 if (!(sscanf(u
.release
, "%u.%u.%u", &x
, &y
, &z
) == 3
3169 && x
< 100 && y
< 100 && z
< 1000 ))
3171 return x
* 100000 + y
* 1000 + z
;
3174 // Check for SCSI host proc_name "hpsa"
3175 static bool is_hpsa(const char * name
)
3178 snprintf(path
, sizeof(path
), "/sys/block/%s/device", name
);
3179 char * syshostpath
= canonicalize_file_name(path
);
3183 char * syshost
= strrchr(syshostpath
, '/');
3189 char * hostsep
= strchr(++syshost
, ':');
3193 snprintf(path
, sizeof(path
), "/sys/class/scsi_host/host%s/proc_name", syshost
);
3195 int fd
= open(path
, O_RDONLY
);
3200 ssize_t n
= read(fd
, proc_name
, sizeof(proc_name
) - 1);
3206 if (proc_name
[n
- 1] == '\n')
3207 proc_name
[n
- 1] = 0;
3209 if (scsi_debugmode
> 1)
3210 pout("%s -> %s: \"%s\"\n", name
, path
, proc_name
);
3212 if (strcmp(proc_name
, "hpsa"))
3218 // Guess device type (ata or scsi) based on device name (Linux
3219 // specific) SCSI device name in linux can be sd, sr, scd, st, nst,
3220 // osst, nosst and sg.
3221 smart_device
* linux_smart_interface::autodetect_smart_device(const char * name
)
3223 const char * test_name
= name
;
3225 // Dereference symlinks
3227 std::string pathbuf
;
3228 if (!lstat(name
, &st
) && S_ISLNK(st
.st_mode
)) {
3229 char * p
= realpath(name
, (char *)0);
3233 test_name
= pathbuf
.c_str();
3237 // Remove the leading /dev/... if it's there
3238 static const char dev_prefix
[] = "/dev/";
3239 if (str_starts_with(test_name
, dev_prefix
))
3240 test_name
+= strlen(dev_prefix
);
3242 // form /dev/h* or h*
3243 if (str_starts_with(test_name
, "h"))
3244 return new linux_ata_device(this, name
, "");
3246 // form /dev/ide/* or ide/*
3247 if (str_starts_with(test_name
, "ide/"))
3248 return new linux_ata_device(this, name
, "");
3250 // form /dev/s* or s*
3251 if (str_starts_with(test_name
, "s")) {
3253 // Try to detect possible USB->(S)ATA bridge
3254 unsigned short vendor_id
= 0, product_id
= 0, version
= 0;
3255 if (get_usb_id(test_name
, vendor_id
, product_id
, version
)) {
3256 const char * usbtype
= get_usb_dev_type_by_id(vendor_id
, product_id
, version
);
3260 // Kernels before 2.6.29 do not support the sense data length
3261 // required for SAT ATA PASS-THROUGH(16)
3262 if (!strcmp(usbtype
, "sat") && get_kernel_release() < 206029)
3265 // Return SAT/USB device for this type
3266 // (Note: linux_scsi_device::autodetect_open() will not be called in this case)
3267 return get_sat_device(usbtype
, new linux_scsi_device(this, name
, ""));
3270 // Fail if hpsa driver
3271 if (is_hpsa(test_name
))
3272 return missing_option("-d cciss,N");
3274 // No USB bridge or hpsa driver found, assume regular SCSI device
3275 return new linux_scsi_device(this, name
, "");
3278 // form /dev/scsi/* or scsi/*
3279 if (str_starts_with(test_name
, "scsi/"))
3280 return new linux_scsi_device(this, name
, "");
3282 // form /dev/bsg/* or bsg/*
3283 if (str_starts_with(test_name
, "bsg/"))
3284 return new linux_scsi_device(this, name
, "");
3286 // form /dev/ns* or ns*
3287 if (str_starts_with(test_name
, "ns"))
3288 return new linux_scsi_device(this, name
, "");
3290 // form /dev/os* or os*
3291 if (str_starts_with(test_name
, "os"))
3292 return new linux_scsi_device(this, name
, "");
3294 // form /dev/nos* or nos*
3295 if (str_starts_with(test_name
, "nos"))
3296 return new linux_scsi_device(this, name
, "");
3298 // form /dev/nvme* or nvme*
3299 if (str_starts_with(test_name
, "nvme"))
3300 return new linux_nvme_device(this, name
, "", 0 /* use default nsid */);
3302 // form /dev/tw[ael]* or tw[ael]*
3303 if (str_starts_with(test_name
, "tw") && strchr("ael", test_name
[2]))
3304 return missing_option("-d 3ware,N");
3306 // form /dev/cciss/* or cciss/*
3307 if (str_starts_with(test_name
, "cciss/"))
3308 return missing_option("-d cciss,N");
3310 // we failed to recognize any of the forms
3314 smart_device
* linux_smart_interface::get_custom_smart_device(const char * name
, const char * type
)
3317 if (!strcmp(type
, "marvell"))
3318 return new linux_marvell_device(this, name
, type
);
3321 int disknum
= -1, n1
= -1, n2
= -1;
3322 if (sscanf(type
, "3ware,%n%d%n", &n1
, &disknum
, &n2
) == 1 || n1
== 6) {
3323 if (n2
!= (int)strlen(type
)) {
3324 set_err(EINVAL
, "Option -d 3ware,N requires N to be a non-negative integer");
3327 if (!(0 <= disknum
&& disknum
<= 127)) {
3328 set_err(EINVAL
, "Option -d 3ware,N (N=%d) must have 0 <= N <= 127", disknum
);
3332 if (!strncmp(name
, "/dev/twl", 8))
3333 return new linux_escalade_device(this, name
, linux_escalade_device::AMCC_3WARE_9700_CHAR
, disknum
);
3334 else if (!strncmp(name
, "/dev/twa", 8))
3335 return new linux_escalade_device(this, name
, linux_escalade_device::AMCC_3WARE_9000_CHAR
, disknum
);
3336 else if (!strncmp(name
, "/dev/twe", 8))
3337 return new linux_escalade_device(this, name
, linux_escalade_device::AMCC_3WARE_678K_CHAR
, disknum
);
3339 return new linux_escalade_device(this, name
, linux_escalade_device::AMCC_3WARE_678K
, disknum
);
3343 disknum
= n1
= n2
= -1;
3345 if (sscanf(type
, "areca,%n%d/%d%n", &n1
, &disknum
, &encnum
, &n2
) >= 1 || n1
== 6) {
3346 if (!(1 <= disknum
&& disknum
<= 128)) {
3347 set_err(EINVAL
, "Option -d areca,N/E (N=%d) must have 1 <= N <= 128", disknum
);
3350 if (!(1 <= encnum
&& encnum
<= 8)) {
3351 set_err(EINVAL
, "Option -d areca,N/E (E=%d) must have 1 <= E <= 8", encnum
);
3354 return new linux_areca_ata_device(this, name
, disknum
, encnum
);
3358 int controller
= -1, channel
= -1; disknum
= 1;
3359 n1
= n2
= -1; int n3
= -1;
3360 if (sscanf(type
, "hpt,%n%d/%d%n/%d%n", &n1
, &controller
, &channel
, &n2
, &disknum
, &n3
) >= 2 || n1
== 4) {
3361 int len
= strlen(type
);
3362 if (!(n2
== len
|| n3
== len
)) {
3363 set_err(EINVAL
, "Option '-d hpt,L/M/N' supports 2-3 items");
3366 if (!(1 <= controller
&& controller
<= 8)) {
3367 set_err(EINVAL
, "Option '-d hpt,L/M/N' invalid controller id L supplied");
3370 if (!(1 <= channel
&& channel
<= 128)) {
3371 set_err(EINVAL
, "Option '-d hpt,L/M/N' invalid channel number M supplied");
3374 if (!(1 <= disknum
&& disknum
<= 15)) {
3375 set_err(EINVAL
, "Option '-d hpt,L/M/N' invalid pmport number N supplied");
3378 return new linux_highpoint_device(this, name
, controller
, channel
, disknum
);
3381 #ifdef HAVE_LINUX_CCISS_IOCTL_H
3383 disknum
= n1
= n2
= -1;
3384 if (sscanf(type
, "cciss,%n%d%n", &n1
, &disknum
, &n2
) == 1 || n1
== 6) {
3385 if (n2
!= (int)strlen(type
)) {
3386 set_err(EINVAL
, "Option -d cciss,N requires N to be a non-negative integer");
3389 if (!(0 <= disknum
&& disknum
<= 127)) {
3390 set_err(EINVAL
, "Option -d cciss,N (N=%d) must have 0 <= N <= 127", disknum
);
3393 return get_sat_device("sat,auto", new linux_cciss_device(this, name
, disknum
));
3395 #endif // HAVE_LINUX_CCISS_IOCTL_H
3398 if (sscanf(type
, "megaraid,%d", &disknum
) == 1) {
3399 return new linux_megaraid_device(this, name
, disknum
);
3403 unsigned host
, chan
, device
;
3404 if (sscanf(type
, "aacraid,%u,%u,%u", &host
, &chan
, &device
) == 3) {
3405 //return new linux_aacraid_device(this,name,channel,device);
3406 return get_sat_device("sat,auto",
3407 new linux_aacraid_device(this, name
, host
, chan
, device
));
3414 std::string
linux_smart_interface::get_valid_custom_dev_types_str()
3416 return "marvell, areca,N/E, 3ware,N, hpt,L/M/N, megaraid,N, aacraid,H,L,ID"
3417 #ifdef HAVE_LINUX_CCISS_IOCTL_H
3425 /////////////////////////////////////////////////////////////////////////////
3426 /// Initialize platform interface and register with smi()
3428 void smart_interface::init()
3430 static os_linux::linux_smart_interface the_interface
;
3431 smart_interface::set(&the_interface
);