[mirror_smartmontools-debian.git] / scsicmds.h

/*
 * scsicmds.h
 *
 * Home page of code is: http://smartmontools.sourceforge.net
 *
 * Copyright (C) 2002-8 Bruce Allen <smartmontools-support@lists.sourceforge.net>
 * Copyright (C) 2000 Michael Cornwell <cornwell@acm.org>
 *
 * Additional SCSI work:
 * Copyright (C) 2003-10 Douglas Gilbert <dgilbert@interlog.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * You should have received a copy of the GNU General Public License
 * (for example COPYING); if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * This code was originally developed as a Senior Thesis by Michael Cornwell
 * at the Concurrent Systems Laboratory (now part of the Storage Systems
 * Research Center), Jack Baskin School of Engineering, University of
 * California, Santa Cruz. http://ssrc.soe.ucsc.edu/
 *
 * N.B. What was formerly known as "SMART" are now called "informational
 * exceptions" in recent t10.org drafts (i.e. recent SCSI).
 *
 */


#ifndef SCSICMDS_H_
#define SCSICMDS_H_

#define SCSICMDS_H_CVSID "$Id: scsicmds.h 3302 2011-03-25 23:04:36Z dpgilbert $\n"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/* #define SCSI_DEBUG 1 */ /* Comment out to disable command debugging */

/* Following conditional defines just in case OS already has them defined.
 * If they are defined we hope they are defined correctly (for SCSI). */
#ifndef TEST_UNIT_READY
#define TEST_UNIT_READY 0x0
#endif
#ifndef LOG_SELECT
#define LOG_SELECT 0x4c
#endif
#ifndef LOG_SENSE
#define LOG_SENSE 0x4d
#endif
#ifndef MODE_SENSE
#define MODE_SENSE 0x1a
#endif
#ifndef MODE_SENSE_10
#define MODE_SENSE_10 0x5a
#endif
#ifndef MODE_SELECT
#define MODE_SELECT 0x15
#endif
#ifndef MODE_SELECT_10
#define MODE_SELECT_10 0x55
#endif
#ifndef INQUIRY
#define INQUIRY 0x12
#endif
#ifndef REQUEST_SENSE
#define REQUEST_SENSE  0x03
#endif
#ifndef RECEIVE_DIAGNOSTIC
#define RECEIVE_DIAGNOSTIC  0x1c
#endif
#ifndef SEND_DIAGNOSTIC
#define SEND_DIAGNOSTIC  0x1d
#endif
#ifndef READ_DEFECT_10
#define READ_DEFECT_10  0x37
#endif
#ifndef START_STOP_UNIT
#define START_STOP_UNIT  0x1b
#endif
#ifndef REPORT_LUNS
#define REPORT_LUNS  0xa0
#endif
#ifndef READ_CAPACITY_10
#define READ_CAPACITY_10  0x25
#endif
#ifndef READ_CAPACITY_16
#define READ_CAPACITY_16  0x9e
#endif
#ifndef SAI_READ_CAPACITY_16    /* service action for READ_CAPACITY_16 */
#define SAI_READ_CAPACITY_16  0x10
#endif

#ifndef SAT_ATA_PASSTHROUGH_12
#define SAT_ATA_PASSTHROUGH_12 0xa1
#endif
#ifndef SAT_ATA_PASSTHROUGH_16
#define SAT_ATA_PASSTHROUGH_16 0x85
#endif

typedef unsigned char UINT8;
typedef signed char INT8;
typedef unsigned int UINT32;
typedef int INT32;

#define DXFER_NONE        0
#define DXFER_FROM_DEVICE 1
#define DXFER_TO_DEVICE   2

struct scsi_cmnd_io
{
    UINT8 * cmnd;       /* [in]: ptr to SCSI command block (cdb) */
    size_t  cmnd_len;   /* [in]: number of bytes in SCSI command */
    int dxfer_dir;      /* [in]: DXFER_NONE, DXFER_FROM_DEVICE, or 
                                 DXFER_TO_DEVICE */
    UINT8 * dxferp;     /* [in]: ptr to outgoing or incoming data buffer */
    size_t dxfer_len;   /* [in]: bytes to be transferred to/from dxferp */
    UINT8 * sensep;     /* [in]: ptr to sense buffer, filled when 
                                 CHECK CONDITION status occurs */
    size_t max_sense_len; /* [in]: max number of bytes to write to sensep */
    unsigned timeout;   /* [in]: seconds, 0-> default timeout (60 seconds?) */
    size_t resp_sense_len;  /* [out]: sense buffer length written */
    UINT8 scsi_status;  /* [out]: 0->ok, 2->CHECK CONDITION, etc ... */
    int resid;          /* [out]: Number of bytes requested to be transferred
                                  less actual number transferred (0 if not
                                   supported) */
};

struct scsi_sense_disect {
    UINT8 error_code;
    UINT8 sense_key;
    UINT8 asc; 
    UINT8 ascq;
};

/* Useful data from Informational Exception Control mode page (0x1c) */
#define SCSI_IECMP_RAW_LEN 64
struct scsi_iec_mode_page {
    UINT8 requestedCurrent;
    UINT8 gotCurrent;
    UINT8 requestedChangeable;
    UINT8 gotChangeable;
    UINT8 modese_len;   /* 0 (don't know), 6 or 10 */
    UINT8 raw_curr[SCSI_IECMP_RAW_LEN];
    UINT8 raw_chg[SCSI_IECMP_RAW_LEN];
};

/* Carrier for Error counter log pages (e.g. read, write, verify ...) */
struct scsiErrorCounter {
    UINT8 gotPC[7];
    UINT8 gotExtraPC;
    uint64_t counter[8];
};

/* Carrier for Non-medium error log page */
struct scsiNonMediumError {
    UINT8 gotPC0;
    UINT8 gotExtraPC;
    uint64_t counterPC0;
    UINT8 gotTFE_H;
    uint64_t counterTFE_H; /* Track following errors [Hitachi] */
    UINT8 gotPE_H;
    uint64_t counterPE_H;  /* Positioning errors [Hitachi] */
};

/* SCSI Peripheral types (of interest) */
#define SCSI_PT_DIRECT_ACCESS           0x0
#define SCSI_PT_SEQUENTIAL_ACCESS       0x1
#define SCSI_PT_CDROM                   0x5
#define SCSI_PT_MEDIUM_CHANGER          0x8
#define SCSI_PT_ENCLOSURE               0xd

/* ANSI SCSI-3 Log Pages retrieved by LOG SENSE. */
#define SUPPORTED_LPAGES                        0x00
#define BUFFER_OVERRUN_LPAGE                    0x01
#define WRITE_ERROR_COUNTER_LPAGE               0x02
#define READ_ERROR_COUNTER_LPAGE                0x03
#define READ_REVERSE_ERROR_COUNTER_LPAGE        0x04
#define VERIFY_ERROR_COUNTER_LPAGE              0x05
#define NON_MEDIUM_ERROR_LPAGE                  0x06
#define LAST_N_ERROR_LPAGE                      0x07
#define FORMAT_STATUS_LPAGE                     0x08
#define TEMPERATURE_LPAGE                       0x0d
#define STARTSTOP_CYCLE_COUNTER_LPAGE           0x0e
#define APPLICATION_CLIENT_LPAGE                0x0f
#define SELFTEST_RESULTS_LPAGE                  0x10
#define BACKGROUND_RESULTS_LPAGE                0x15   /* SBC-3 */
#define PROTOCOL_SPECIFIC_LPAGE                 0x18
#define IE_LPAGE                                0x2f

/* Seagate vendor specific log pages. */
#define SEAGATE_CACHE_LPAGE                     0x37
#define SEAGATE_FACTORY_LPAGE                   0x3e

/* Log page response lengths */
#define LOG_RESP_SELF_TEST_LEN 0x194

/* See the SSC-2 document at www.t10.org . Earler note: From IBM 
Documentation, see http://www.storage.ibm.com/techsup/hddtech/prodspecs.htm */
#define TAPE_ALERTS_LPAGE                        0x2e

/* ANSI SCSI-3 Mode Pages */
#define VENDOR_UNIQUE_PAGE                       0x00
#define READ_WRITE_ERROR_RECOVERY_PAGE           0x01
#define DISCONNECT_RECONNECT_PAGE                0x02
#define FORMAT_DEVICE_PAGE                       0x03
#define RIGID_DISK_DRIVE_GEOMETRY_PAGE           0x04
#define FLEXIBLE_DISK_PAGE                       0x05
#define VERIFY_ERROR_RECOVERY_PAGE               0x07
#define CACHING_PAGE                             0x08
#define PERIPHERAL_DEVICE_PAGE                   0x09
#define XOR_CONTROL_MODE_PAGE                    0x10
#define CONTROL_MODE_PAGE                        0x0a
#define MEDIUM_TYPES_SUPPORTED_PAGE              0x0b
#define NOTCH_PAGE                               0x0c
#define CD_DEVICE_PAGE                           0x0d
#define CD_AUDIO_CONTROL_PAGE                    0x0e
#define DATA_COMPRESSION_PAGE                    0x0f
#define ENCLOSURE_SERVICES_MANAGEMENT_PAGE       0x14
#define PROTOCOL_SPECIFIC_LUN_PAGE               0x18
#define PROTOCOL_SPECIFIC_PORT_PAGE              0x19
#define POWER_CONDITION_PAGE                     0x1a
#define INFORMATIONAL_EXCEPTIONS_CONTROL_PAGE    0x1c
#define FAULT_FAILURE_REPORTING_PAGE             0x1c

/* Background control mode subpage is [0x1c,0x1] */
#define BACKGROUND_CONTROL_M_SUBPAGE             0x1   /* SBC-2 */

#define ALL_MODE_PAGES                           0x3f

/* Mode page control field */
#define MPAGE_CONTROL_CURRENT               0
#define MPAGE_CONTROL_CHANGEABLE            1
#define MPAGE_CONTROL_DEFAULT               2
#define MPAGE_CONTROL_SAVED                 3

/* defines for useful SCSI Status codes */
#define SCSI_STATUS_CHECK_CONDITION     0x2

/* defines for useful Sense Key codes */
#define SCSI_SK_NO_SENSE                0x0
#define SCSI_SK_RECOVERED_ERR           0x1
#define SCSI_SK_NOT_READY               0x2
#define SCSI_SK_MEDIUM_ERROR            0x3
#define SCSI_SK_HARDWARE_ERROR          0x4
#define SCSI_SK_ILLEGAL_REQUEST         0x5
#define SCSI_SK_UNIT_ATTENTION          0x6
#define SCSI_SK_ABORTED_COMMAND         0xb

/* defines for useful Additional Sense Codes (ASCs) */
#define SCSI_ASC_NOT_READY              0x4     /* more info in ASCQ code */
#define SCSI_ASC_NO_MEDIUM              0x3a    /* more info in ASCQ code */
#define SCSI_ASC_UNKNOWN_OPCODE         0x20
#define SCSI_ASC_UNKNOWN_FIELD          0x24
#define SCSI_ASC_UNKNOWN_PARAM          0x26
#define SCSI_ASC_WARNING                0xb
#define SCSI_ASC_IMPENDING_FAILURE      0x5d

#define SCSI_ASCQ_ATA_PASS_THROUGH      0x1d

/* Simplified error code (negative values as per errno) */
#define SIMPLE_NO_ERROR                 0
#define SIMPLE_ERR_NOT_READY            1
#define SIMPLE_ERR_BAD_OPCODE           2
#define SIMPLE_ERR_BAD_FIELD            3       /* in cbd */
#define SIMPLE_ERR_BAD_PARAM            4       /* in data */
#define SIMPLE_ERR_BAD_RESP             5       /* response fails sanity */
#define SIMPLE_ERR_NO_MEDIUM            6       /* no medium present */
#define SIMPLE_ERR_BECOMING_READY       7       /* device will be ready soon */
#define SIMPLE_ERR_TRY_AGAIN            8       /* some warning, try again */
#define SIMPLE_ERR_MEDIUM_HARDWARE      9       /* medium or hardware error */
#define SIMPLE_ERR_UNKNOWN              10      /* unknown sense value */
#define SIMPLE_ERR_ABORTED_COMMAND      11      /* most likely transport error */


/* defines for functioncode parameter in SENDDIAGNOSTIC function */
#define SCSI_DIAG_NO_SELF_TEST          0x00
#define SCSI_DIAG_DEF_SELF_TEST         0xff
#define SCSI_DIAG_BG_SHORT_SELF_TEST    0x01
#define SCSI_DIAG_BG_EXTENDED_SELF_TEST 0x02
#define SCSI_DIAG_FG_SHORT_SELF_TEST    0x05
#define SCSI_DIAG_FG_EXTENDED_SELF_TEST 0x06
#define SCSI_DIAG_ABORT_SELF_TEST       0x04


/* SCSI command timeout values (units are seconds) */
#define SCSI_TIMEOUT_DEFAULT    20  // should be longer than the spin up time
                                    // of a disk in standby mode.
#define SCSI_TIMEOUT_SELF_TEST  (5 * 60 * 60)   /* allow max 5 hours for */
                                            /* extended foreground self test */


#define LOGPAGEHDRSIZE  4

class scsi_device;

// Print SCSI debug messages?
extern unsigned char scsi_debugmode;

void scsi_do_sense_disect(const struct scsi_cmnd_io * in,
                          struct scsi_sense_disect * out);

int scsiSimpleSenseFilter(const struct scsi_sense_disect * sinfo);

const char * scsiErrString(int scsiErr);

int scsi_vpd_dev_id_iter(const unsigned char * initial_desig_desc,
                         int page_len, int * off, int m_assoc,
                         int m_desig_type, int m_code_set);

int scsi_decode_lu_dev_id(const unsigned char * b, int blen, char * s,
                          int slen, int * transport);


/* STANDARD SCSI Commands  */
int scsiTestUnitReady(scsi_device * device);

int scsiStdInquiry(scsi_device * device, UINT8 *pBuf, int bufLen);

int scsiInquiryVpd(scsi_device * device, int vpd_page, UINT8 *pBuf, int bufLen);

int scsiLogSense(scsi_device * device, int pagenum, int subpagenum, UINT8 *pBuf,
                 int bufLen, int known_resp_len);

int scsiLogSelect(scsi_device * device, int pcr, int sp, int pc, int pagenum,
                  int subpagenum, UINT8 *pBuf, int bufLen);

int scsiModeSense(scsi_device * device, int pagenum, int subpagenum, int pc,
                  UINT8 *pBuf, int bufLen);

int scsiModeSelect(scsi_device * device, int sp, UINT8 *pBuf, int bufLen);

int scsiModeSense10(scsi_device * device, int pagenum, int subpagenum, int pc,
                    UINT8 *pBuf, int bufLen);

int scsiModeSelect10(scsi_device * device, int sp, UINT8 *pBuf, int bufLen);

int scsiModePageOffset(const UINT8 * resp, int len, int modese_len);

int scsiRequestSense(scsi_device * device, struct scsi_sense_disect * sense_info);

int scsiSendDiagnostic(scsi_device * device, int functioncode, UINT8 *pBuf, int bufLen);

int scsiReceiveDiagnostic(scsi_device * device, int pcv, int pagenum, UINT8 *pBuf,
                      int bufLen);

int scsiReadDefect10(scsi_device * device, int req_plist, int req_glist, int dl_format,
                     UINT8 *pBuf, int bufLen);

int scsiReadCapacity10(scsi_device * device, unsigned int * last_lbp,
                       unsigned int * lb_sizep);

int scsiReadCapacity16(scsi_device * device, UINT8 *pBuf, int bufLen);

uint64_t scsiGetSize(scsi_device * device, unsigned int * lb_sizep);


/* SMART specific commands */
int scsiCheckIE(scsi_device * device, int hasIELogPage, int hasTempLogPage, UINT8 *asc,
                UINT8 *ascq, UINT8 *currenttemp, UINT8 *triptemp);

int scsiFetchIECmpage(scsi_device * device, struct scsi_iec_mode_page *iecp,
                      int modese_len);
int scsi_IsExceptionControlEnabled(const struct scsi_iec_mode_page *iecp);
int scsi_IsWarningEnabled(const struct scsi_iec_mode_page *iecp);
int scsiSetExceptionControlAndWarning(scsi_device * device, int enabled,
                            const struct scsi_iec_mode_page *iecp);
void scsiDecodeErrCounterPage(unsigned char * resp,
                              struct scsiErrorCounter *ecp);
void scsiDecodeNonMediumErrPage(unsigned char * resp,
                                struct scsiNonMediumError *nmep);
int scsiFetchExtendedSelfTestTime(scsi_device * device, int * durationSec,
                                  int modese_len);
int scsiCountFailedSelfTests(scsi_device * device, int noisy);
int scsiSelfTestInProgress(scsi_device * device, int * inProgress);
int scsiFetchControlGLTSD(scsi_device * device, int modese_len, int current);
int scsiSetControlGLTSD(scsi_device * device, int enabled, int modese_len);
int scsiFetchTransportProtocol(scsi_device * device, int modese_len);


/* T10 Standard IE Additional Sense Code strings taken from t10.org */
const char* scsiGetIEString(UINT8 asc, UINT8 ascq);
int scsiGetTemp(scsi_device * device, UINT8 *currenttemp, UINT8 *triptemp);


int scsiSmartIBMOfflineTest(scsi_device * device);

int scsiSmartDefaultSelfTest(scsi_device * device);
int scsiSmartShortSelfTest(scsi_device * device);
int scsiSmartExtendSelfTest(scsi_device * device);
int scsiSmartShortCapSelfTest(scsi_device * device);
int scsiSmartExtendCapSelfTest(scsi_device * device);
int scsiSmartSelfTestAbort(scsi_device * device);

const char * scsiTapeAlertsTapeDevice(unsigned short code);
const char * scsiTapeAlertsChangerDevice(unsigned short code);

const char * scsi_get_opcode_name(UINT8 opcode);
void dStrHex(const char* str, int len, int no_ascii);
inline void dStrHex(const unsigned char* str, int len, int no_ascii)
  { dStrHex((const char *)str, len, no_ascii); }


/* SCSI command transmission interface function declaration. Its
 * definition is target OS specific (see os_<OS>.c file).
 * Returns 0 if SCSI command successfully launched and response
 * received. Even when 0 is returned the caller should check
 * scsi_cmnd_io::scsi_status for SCSI defined errors and warnings
 * (e.g. CHECK CONDITION). If the SCSI command could not be issued
 * (e.g. device not present or not a SCSI device) or some other problem
 * arises (e.g. timeout) then returns a negative errno value. */
// Moved to C++ interface
//int do_scsi_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop, int report);


#endif
Commit	Line	Data
832b75ed GG	1	/*
	2	* scsicmds.h
	3	*
	4	* Home page of code is: http://smartmontools.sourceforge.net
	5	*
34ad0c5f	6	* Copyright (C) 2002-8 Bruce Allen <smartmontools-support@lists.sourceforge.net>
832b75ed GG	7	* Copyright (C) 2000 Michael Cornwell <cornwell@acm.org>
	8	*
	9	* Additional SCSI work:
e9583e0c	10	* Copyright (C) 2003-10 Douglas Gilbert <dgilbert@interlog.com>
832b75ed GG	11	*
	12	* This program is free software; you can redistribute it and/or modify
	13	* it under the terms of the GNU General Public License as published by
	14	* the Free Software Foundation; either version 2, or (at your option)
	15	* any later version.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* (for example COPYING); if not, write to the Free
	19	* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*
	21	* This code was originally developed as a Senior Thesis by Michael Cornwell
	22	* at the Concurrent Systems Laboratory (now part of the Storage Systems
	23	* Research Center), Jack Baskin School of Engineering, University of
	24	* California, Santa Cruz. http://ssrc.soe.ucsc.edu/
	25	*
	26	* N.B. What was formerly known as "SMART" are now called "informational
	27	* exceptions" in recent t10.org drafts (i.e. recent SCSI).
	28	*
	29	*/
	30
	31
	32	#ifndef SCSICMDS_H_
	33	#define SCSICMDS_H_
	34
a7e8ffec	35	#define SCSICMDS_H_CVSID "$Id: scsicmds.h 3302 2011-03-25 23:04:36Z dpgilbert $\n"
832b75ed GG	36
	37	#include <stdio.h>
	38	#include <stdlib.h>
	39	#include <string.h>
832b75ed GG	40
	41	/* #define SCSI_DEBUG 1 / / Comment out to disable command debugging */
	42
2127e193 GI	43	/* Following conditional defines just in case OS already has them defined.
2127e193 GI	44	* If they are defined we hope they are defined correctly (for SCSI). */
832b75ed GG	45	#ifndef TEST_UNIT_READY
	46	#define TEST_UNIT_READY 0x0
	47	#endif
2127e193 GI	48	#ifndef LOG_SELECT
	49	#define LOG_SELECT 0x4c
	50	#endif
832b75ed GG	51	#ifndef LOG_SENSE
	52	#define LOG_SENSE 0x4d
	53	#endif
	54	#ifndef MODE_SENSE
	55	#define MODE_SENSE 0x1a
	56	#endif
	57	#ifndef MODE_SENSE_10
	58	#define MODE_SENSE_10 0x5a
	59	#endif
	60	#ifndef MODE_SELECT
	61	#define MODE_SELECT 0x15
	62	#endif
	63	#ifndef MODE_SELECT_10
	64	#define MODE_SELECT_10 0x55
	65	#endif
	66	#ifndef INQUIRY
	67	#define INQUIRY 0x12
	68	#endif
	69	#ifndef REQUEST_SENSE
	70	#define REQUEST_SENSE 0x03
	71	#endif
	72	#ifndef RECEIVE_DIAGNOSTIC
	73	#define RECEIVE_DIAGNOSTIC 0x1c
	74	#endif
	75	#ifndef SEND_DIAGNOSTIC
	76	#define SEND_DIAGNOSTIC 0x1d
	77	#endif
	78	#ifndef READ_DEFECT_10
	79	#define READ_DEFECT_10 0x37
	80	#endif
cfbba5b9 GI	81	#ifndef START_STOP_UNIT
	82	#define START_STOP_UNIT 0x1b
	83	#endif
	84	#ifndef REPORT_LUNS
	85	#define REPORT_LUNS 0xa0
	86	#endif
	87	#ifndef READ_CAPACITY_10
	88	#define READ_CAPACITY_10 0x25
	89	#endif
	90	#ifndef READ_CAPACITY_16
a7e8ffec GI	91	#define READ_CAPACITY_16 0x9e
	92	#endif
	93	#ifndef SAI_READ_CAPACITY_16 /* service action for READ_CAPACITY_16 */
	94	#define SAI_READ_CAPACITY_16 0x10
cfbba5b9	95	#endif
832b75ed	96
4d59bff9 GG	97	#ifndef SAT_ATA_PASSTHROUGH_12
	98	#define SAT_ATA_PASSTHROUGH_12 0xa1
	99	#endif
	100	#ifndef SAT_ATA_PASSTHROUGH_16
	101	#define SAT_ATA_PASSTHROUGH_16 0x85
	102	#endif
	103
832b75ed	104	typedef unsigned char UINT8;
a37e7145	105	typedef signed char INT8;
832b75ed GG	106	typedef unsigned int UINT32;
	107	typedef int INT32;
	108
	109	#define DXFER_NONE 0
	110	#define DXFER_FROM_DEVICE 1
	111	#define DXFER_TO_DEVICE 2
	112
	113	struct scsi_cmnd_io
	114	{
	115	UINT8 * cmnd; /* [in]: ptr to SCSI command block (cdb) */
	116	size_t cmnd_len; /* [in]: number of bytes in SCSI command */
	117	int dxfer_dir; /* [in]: DXFER_NONE, DXFER_FROM_DEVICE, or
	118	DXFER_TO_DEVICE */
	119	UINT8 * dxferp; /* [in]: ptr to outgoing or incoming data buffer */
	120	size_t dxfer_len; /* [in]: bytes to be transferred to/from dxferp */
	121	UINT8 * sensep; /* [in]: ptr to sense buffer, filled when
	122	CHECK CONDITION status occurs */
	123	size_t max_sense_len; /* [in]: max number of bytes to write to sensep */
	124	unsigned timeout; /* [in]: seconds, 0-> default timeout (60 seconds?) */
	125	size_t resp_sense_len; /* [out]: sense buffer length written */
	126	UINT8 scsi_status; /* [out]: 0->ok, 2->CHECK CONDITION, etc ... */
	127	int resid; /* [out]: Number of bytes requested to be transferred
	128	less actual number transferred (0 if not
	129	supported) */
	130	};
	131
	132	struct scsi_sense_disect {
	133	UINT8 error_code;
	134	UINT8 sense_key;
	135	UINT8 asc;
	136	UINT8 ascq;
	137	};
	138
	139	/* Useful data from Informational Exception Control mode page (0x1c) */
	140	#define SCSI_IECMP_RAW_LEN 64
	141	struct scsi_iec_mode_page {
	142	UINT8 requestedCurrent;
	143	UINT8 gotCurrent;
	144	UINT8 requestedChangeable;
	145	UINT8 gotChangeable;
	146	UINT8 modese_len; /* 0 (don't know), 6 or 10 */
	147	UINT8 raw_curr[SCSI_IECMP_RAW_LEN];
	148	UINT8 raw_chg[SCSI_IECMP_RAW_LEN];
	149	};
	150
	151	/* Carrier for Error counter log pages (e.g. read, write, verify ...) */
	152	struct scsiErrorCounter {
	153	UINT8 gotPC[7];
	154	UINT8 gotExtraPC;
	155	uint64_t counter[8];
	156	};
	157
	158	/* Carrier for Non-medium error log page */
	159	struct scsiNonMediumError {
	160	UINT8 gotPC0;
	161	UINT8 gotExtraPC;
	162	uint64_t counterPC0;
	163	UINT8 gotTFE_H;
	164	uint64_t counterTFE_H; /* Track following errors [Hitachi] */
	165	UINT8 gotPE_H;
	166	uint64_t counterPE_H; /* Positioning errors [Hitachi] */
	167	};
	168
	169	/* SCSI Peripheral types (of interest) */
170	#define SCSI_PT_DIRECT_ACCESS 0x0
171	#define SCSI_PT_SEQUENTIAL_ACCESS 0x1
172	#define SCSI_PT_CDROM 0x5
173	#define SCSI_PT_MEDIUM_CHANGER 0x8
174	#define SCSI_PT_ENCLOSURE 0xd
175
176	/* ANSI SCSI-3 Log Pages retrieved by LOG SENSE. */
177	#define SUPPORTED_LPAGES 0x00
178	#define BUFFER_OVERRUN_LPAGE 0x01
179	#define WRITE_ERROR_COUNTER_LPAGE 0x02
180	#define READ_ERROR_COUNTER_LPAGE 0x03
181	#define READ_REVERSE_ERROR_COUNTER_LPAGE 0x04
182	#define VERIFY_ERROR_COUNTER_LPAGE 0x05
183	#define NON_MEDIUM_ERROR_LPAGE 0x06
184	#define LAST_N_ERROR_LPAGE 0x07
185	#define FORMAT_STATUS_LPAGE 0x08
186	#define TEMPERATURE_LPAGE 0x0d
187	#define STARTSTOP_CYCLE_COUNTER_LPAGE 0x0e
188	#define APPLICATION_CLIENT_LPAGE 0x0f
189	#define SELFTEST_RESULTS_LPAGE 0x10
4d59bff9	190	#define BACKGROUND_RESULTS_LPAGE 0x15 /* SBC-3 */
2127e193	191	#define PROTOCOL_SPECIFIC_LPAGE 0x18
832b75ed GG	192	#define IE_LPAGE 0x2f
	193
	194	/* Seagate vendor specific log pages. */
	195	#define SEAGATE_CACHE_LPAGE 0x37
	196	#define SEAGATE_FACTORY_LPAGE 0x3e
	197
	198	/* Log page response lengths */
	199	#define LOG_RESP_SELF_TEST_LEN 0x194
	200
	201	/* See the SSC-2 document at www.t10.org . Earler note: From IBM
	202	Documentation, see http://www.storage.ibm.com/techsup/hddtech/prodspecs.htm */
	203	#define TAPE_ALERTS_LPAGE 0x2e
	204
	205	/* ANSI SCSI-3 Mode Pages */
	206	#define VENDOR_UNIQUE_PAGE 0x00
	207	#define READ_WRITE_ERROR_RECOVERY_PAGE 0x01
	208	#define DISCONNECT_RECONNECT_PAGE 0x02
	209	#define FORMAT_DEVICE_PAGE 0x03
	210	#define RIGID_DISK_DRIVE_GEOMETRY_PAGE 0x04
	211	#define FLEXIBLE_DISK_PAGE 0x05
	212	#define VERIFY_ERROR_RECOVERY_PAGE 0x07
	213	#define CACHING_PAGE 0x08
	214	#define PERIPHERAL_DEVICE_PAGE 0x09
	215	#define XOR_CONTROL_MODE_PAGE 0x10
	216	#define CONTROL_MODE_PAGE 0x0a
	217	#define MEDIUM_TYPES_SUPPORTED_PAGE 0x0b
	218	#define NOTCH_PAGE 0x0c
	219	#define CD_DEVICE_PAGE 0x0d
	220	#define CD_AUDIO_CONTROL_PAGE 0x0e
	221	#define DATA_COMPRESSION_PAGE 0x0f
	222	#define ENCLOSURE_SERVICES_MANAGEMENT_PAGE 0x14
	223	#define PROTOCOL_SPECIFIC_LUN_PAGE 0x18
	224	#define PROTOCOL_SPECIFIC_PORT_PAGE 0x19
	225	#define POWER_CONDITION_PAGE 0x1a
	226	#define INFORMATIONAL_EXCEPTIONS_CONTROL_PAGE 0x1c
	227	#define FAULT_FAILURE_REPORTING_PAGE 0x1c
	228
4d59bff9 GG	229	/* Background control mode subpage is [0x1c,0x1] */
	230	#define BACKGROUND_CONTROL_M_SUBPAGE 0x1 /* SBC-2 */
	231
832b75ed GG	232	#define ALL_MODE_PAGES 0x3f
	233
	234	/* Mode page control field */
	235	#define MPAGE_CONTROL_CURRENT 0
	236	#define MPAGE_CONTROL_CHANGEABLE 1
	237	#define MPAGE_CONTROL_DEFAULT 2
	238	#define MPAGE_CONTROL_SAVED 3
	239
	240	/* defines for useful SCSI Status codes */
	241	#define SCSI_STATUS_CHECK_CONDITION 0x2
	242
	243	/* defines for useful Sense Key codes */
4d59bff9 GG	244	#define SCSI_SK_NO_SENSE 0x0
4d59bff9 GG	245	#define SCSI_SK_RECOVERED_ERR 0x1
832b75ed GG	246	#define SCSI_SK_NOT_READY 0x2
	247	#define SCSI_SK_MEDIUM_ERROR 0x3
	248	#define SCSI_SK_HARDWARE_ERROR 0x4
	249	#define SCSI_SK_ILLEGAL_REQUEST 0x5
	250	#define SCSI_SK_UNIT_ATTENTION 0x6
a37e7145	251	#define SCSI_SK_ABORTED_COMMAND 0xb
832b75ed GG	252
	253	/* defines for useful Additional Sense Codes (ASCs) */
	254	#define SCSI_ASC_NOT_READY 0x4 /* more info in ASCQ code */
	255	#define SCSI_ASC_NO_MEDIUM 0x3a /* more info in ASCQ code */
	256	#define SCSI_ASC_UNKNOWN_OPCODE 0x20
	257	#define SCSI_ASC_UNKNOWN_FIELD 0x24
	258	#define SCSI_ASC_UNKNOWN_PARAM 0x26
	259	#define SCSI_ASC_WARNING 0xb
	260	#define SCSI_ASC_IMPENDING_FAILURE 0x5d
	261
4d59bff9 GG	262	#define SCSI_ASCQ_ATA_PASS_THROUGH 0x1d
4d59bff9 GG	263
832b75ed GG	264	/* Simplified error code (negative values as per errno) */
	265	#define SIMPLE_NO_ERROR 0
	266	#define SIMPLE_ERR_NOT_READY 1
	267	#define SIMPLE_ERR_BAD_OPCODE 2
	268	#define SIMPLE_ERR_BAD_FIELD 3 /* in cbd */
	269	#define SIMPLE_ERR_BAD_PARAM 4 /* in data */
	270	#define SIMPLE_ERR_BAD_RESP 5 /* response fails sanity */
	271	#define SIMPLE_ERR_NO_MEDIUM 6 /* no medium present */
	272	#define SIMPLE_ERR_BECOMING_READY 7 /* device will be ready soon */
	273	#define SIMPLE_ERR_TRY_AGAIN 8 /* some warning, try again */
	274	#define SIMPLE_ERR_MEDIUM_HARDWARE 9 /* medium or hardware error */
a37e7145 GG	275	#define SIMPLE_ERR_UNKNOWN 10 /* unknown sense value */
a37e7145 GG	276	#define SIMPLE_ERR_ABORTED_COMMAND 11 /* most likely transport error */
832b75ed GG	277
	278
	279	/* defines for functioncode parameter in SENDDIAGNOSTIC function */
	280	#define SCSI_DIAG_NO_SELF_TEST 0x00
	281	#define SCSI_DIAG_DEF_SELF_TEST 0xff
	282	#define SCSI_DIAG_BG_SHORT_SELF_TEST 0x01
	283	#define SCSI_DIAG_BG_EXTENDED_SELF_TEST 0x02
	284	#define SCSI_DIAG_FG_SHORT_SELF_TEST 0x05
	285	#define SCSI_DIAG_FG_EXTENDED_SELF_TEST 0x06
	286	#define SCSI_DIAG_ABORT_SELF_TEST 0x04
	287
	288
	289	/* SCSI command timeout values (units are seconds) */
eb07ddf2 GI	290	#define SCSI_TIMEOUT_DEFAULT 20 // should be longer than the spin up time
eb07ddf2 GI	291	// of a disk in standby mode.
832b75ed GG	292	#define SCSI_TIMEOUT_SELF_TEST (5 * 60 * 60) /* allow max 5 hours for */
	293	/* extended foreground self test */
	294
	295
	296
	297	#define LOGPAGEHDRSIZE 4
	298
2127e193 GI	299	class scsi_device;
2127e193 GI	300
cfbba5b9 GI	301	// Print SCSI debug messages?
	302	extern unsigned char scsi_debugmode;
	303
832b75ed GG	304	void scsi_do_sense_disect(const struct scsi_cmnd_io * in,
	305	struct scsi_sense_disect * out);
	306
4d59bff9 GG	307	int scsiSimpleSenseFilter(const struct scsi_sense_disect * sinfo);
4d59bff9 GG	308
832b75ed GG	309	const char * scsiErrString(int scsiErr);
832b75ed GG	310
a7e8ffec GI	311	int scsi_vpd_dev_id_iter(const unsigned char * initial_desig_desc,
	312	int page_len, int * off, int m_assoc,
	313	int m_desig_type, int m_code_set);
	314
	315	int scsi_decode_lu_dev_id(const unsigned char * b, int blen, char * s,
	316	int slen, int * transport);
	317
	318
832b75ed	319	/* STANDARD SCSI Commands */
2127e193	320	int scsiTestUnitReady(scsi_device * device);
832b75ed	321
2127e193	322	int scsiStdInquiry(scsi_device * device, UINT8 *pBuf, int bufLen);
832b75ed	323
2127e193	324	int scsiInquiryVpd(scsi_device * device, int vpd_page, UINT8 *pBuf, int bufLen);
832b75ed	325
2127e193 GI	326	int scsiLogSense(scsi_device * device, int pagenum, int subpagenum, UINT8 *pBuf,
2127e193 GI	327	int bufLen, int known_resp_len);
832b75ed	328
2127e193 GI	329	int scsiLogSelect(scsi_device * device, int pcr, int sp, int pc, int pagenum,
	330	int subpagenum, UINT8 *pBuf, int bufLen);
	331
	332	int scsiModeSense(scsi_device * device, int pagenum, int subpagenum, int pc,
4d59bff9	333	UINT8 *pBuf, int bufLen);
832b75ed	334
2127e193	335	int scsiModeSelect(scsi_device * device, int sp, UINT8 *pBuf, int bufLen);
832b75ed	336
2127e193 GI	337	int scsiModeSense10(scsi_device * device, int pagenum, int subpagenum, int pc,
2127e193 GI	338	UINT8 *pBuf, int bufLen);
832b75ed	339
2127e193	340	int scsiModeSelect10(scsi_device * device, int sp, UINT8 *pBuf, int bufLen);
832b75ed GG	341
	342	int scsiModePageOffset(const UINT8 * resp, int len, int modese_len);
	343
2127e193	344	int scsiRequestSense(scsi_device * device, struct scsi_sense_disect * sense_info);
832b75ed	345
2127e193	346	int scsiSendDiagnostic(scsi_device * device, int functioncode, UINT8 *pBuf, int bufLen);
832b75ed	347
2127e193	348	int scsiReceiveDiagnostic(scsi_device * device, int pcv, int pagenum, UINT8 *pBuf,
832b75ed GG	349	int bufLen);
832b75ed GG	350
2127e193	351	int scsiReadDefect10(scsi_device * device, int req_plist, int req_glist, int dl_format,
832b75ed GG	352	UINT8 *pBuf, int bufLen);
832b75ed GG	353
a7e8ffec GI	354	int scsiReadCapacity10(scsi_device * device, unsigned int * last_lbp,
	355	unsigned int * lb_sizep);
	356
	357	int scsiReadCapacity16(scsi_device * device, UINT8 *pBuf, int bufLen);
	358
	359	uint64_t scsiGetSize(scsi_device * device, unsigned int * lb_sizep);
	360
	361
832b75ed	362	/* SMART specific commands */
2127e193	363	int scsiCheckIE(scsi_device * device, int hasIELogPage, int hasTempLogPage, UINT8 *asc,
832b75ed GG	364	UINT8 ascq, UINT8 currenttemp, UINT8 *triptemp);
832b75ed GG	365
2127e193	366	int scsiFetchIECmpage(scsi_device * device, struct scsi_iec_mode_page *iecp,
832b75ed GG	367	int modese_len);
	368	int scsi_IsExceptionControlEnabled(const struct scsi_iec_mode_page *iecp);
	369	int scsi_IsWarningEnabled(const struct scsi_iec_mode_page *iecp);
2127e193	370	int scsiSetExceptionControlAndWarning(scsi_device * device, int enabled,
832b75ed GG	371	const struct scsi_iec_mode_page *iecp);
	372	void scsiDecodeErrCounterPage(unsigned char * resp,
	373	struct scsiErrorCounter *ecp);
	374	void scsiDecodeNonMediumErrPage(unsigned char * resp,
	375	struct scsiNonMediumError *nmep);
2127e193	376	int scsiFetchExtendedSelfTestTime(scsi_device * device, int * durationSec,
832b75ed	377	int modese_len);
2127e193 GI	378	int scsiCountFailedSelfTests(scsi_device * device, int noisy);
	379	int scsiSelfTestInProgress(scsi_device * device, int * inProgress);
	380	int scsiFetchControlGLTSD(scsi_device * device, int modese_len, int current);
	381	int scsiSetControlGLTSD(scsi_device * device, int enabled, int modese_len);
	382	int scsiFetchTransportProtocol(scsi_device * device, int modese_len);
832b75ed	383
832b75ed	384
a7e8ffec	385	/* T10 Standard IE Additional Sense Code strings taken from t10.org */
832b75ed	386	const char* scsiGetIEString(UINT8 asc, UINT8 ascq);
2127e193	387	int scsiGetTemp(scsi_device * device, UINT8 currenttemp, UINT8 triptemp);
832b75ed GG	388
832b75ed GG	389
2127e193	390	int scsiSmartIBMOfflineTest(scsi_device * device);
832b75ed	391
2127e193 GI	392	int scsiSmartDefaultSelfTest(scsi_device * device);
	393	int scsiSmartShortSelfTest(scsi_device * device);
	394	int scsiSmartExtendSelfTest(scsi_device * device);
	395	int scsiSmartShortCapSelfTest(scsi_device * device);
	396	int scsiSmartExtendCapSelfTest(scsi_device * device);
	397	int scsiSmartSelfTestAbort(scsi_device * device);
832b75ed GG	398
	399	const char * scsiTapeAlertsTapeDevice(unsigned short code);
	400	const char * scsiTapeAlertsChangerDevice(unsigned short code);
	401
	402	const char * scsi_get_opcode_name(UINT8 opcode);
	403	void dStrHex(const char* str, int len, int no_ascii);
4d59bff9 GG	404	inline void dStrHex(const unsigned char* str, int len, int no_ascii)
	405	{ dStrHex((const char *)str, len, no_ascii); }
	406
832b75ed GG	407
	408	/* SCSI command transmission interface function declaration. Its
	409	* definition is target OS specific (see os_<OS>.c file).
	410	* Returns 0 if SCSI command successfully launched and response
	411	* received. Even when 0 is returned the caller should check
	412	* scsi_cmnd_io::scsi_status for SCSI defined errors and warnings
	413	* (e.g. CHECK CONDITION). If the SCSI command could not be issued
	414	* (e.g. device not present or not a SCSI device) or some other problem
	415	* arises (e.g. timeout) then returns a negative errno value. */
2127e193 GI	416	// Moved to C++ interface
	417	//int do_scsi_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop, int report);
	418
832b75ed GG	419
832b75ed GG	420
832b75ed GG	421	#endif
832b75ed GG	422