[mirror_smartmontools-debian.git] / scsicmds.h

/*
 * scsicmds.h
 *
 * Home page of code is: http://www.smartmontools.org
 *
 * Copyright (C) 2002-8 Bruce Allen
 * Copyright (C) 2000 Michael Cornwell <cornwell@acm.org>
 * Copyright (C) 2003-15 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 4152 2015-10-17 16:08:21Z chrfranke $\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 READ_DEFECT_12
#define READ_DEFECT_12  0xb7
#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 resp_code;
    UINT8 sense_key;
    UINT8 asc;
    UINT8 ascq;
    int progress; /* -1 -> N/A, 0-65535 -> available */
};

/* 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 LB_PROV_LPAGE                           0x0c   /* SBC-3 */
#define TEMPERATURE_LPAGE                       0x0d
#define STARTSTOP_CYCLE_COUNTER_LPAGE           0x0e
#define APPLICATION_CLIENT_LPAGE                0x0f
#define SELFTEST_RESULTS_LPAGE                  0x10
#define SS_MEDIA_LPAGE                          0x11   /* SBC-3 */
#define BACKGROUND_RESULTS_LPAGE                0x15   /* SBC-3 */
#define NONVOL_CACHE_LPAGE                      0x17   /* 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

/* SCSI Vital Product Data (VPD) pages */
#define SCSI_VPD_SUPPORTED_VPD_PAGES    0x0
#define SCSI_VPD_UNIT_SERIAL_NUMBER     0x80
#define SCSI_VPD_DEVICE_IDENTIFICATION  0x83
#define SCSI_VPD_EXTENDED_INQUIRY_DATA  0x86
#define SCSI_VPD_ATA_INFORMATION        0x89
#define SCSI_VPD_POWER_CONDITION        0x8a
#define SCSI_VPD_POWER_CONSUMPTION      0x8d
#define SCSI_VPD_BLOCK_LIMITS           0xb0
#define SCSI_VPD_BLOCK_DEVICE_CHARACTERISTICS   0xb1
#define SCSI_VPD_LOGICAL_BLOCK_PROVISIONING     0xb2

/* 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_INVALID_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;

// Set of supported SCSI VPD pages. Constructor fetches Supported VPD pages
// VPD page and remembers the response for later queries.
class supported_vpd_pages
{
public:
    explicit supported_vpd_pages(scsi_device * device);
    ~supported_vpd_pages() { num_valid = 0; }

    bool is_supported(int vpd_page_num) const;

    /* Returns 0 or less for VPD pages not supported or error */
    int num_pages() const { return num_valid; }

private:
    int num_valid;      /* 0 or less for invalid */
    unsigned char pages[256];
};

extern supported_vpd_pages * supported_vpd_pages_p;


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

int scsiReadDefect12(scsi_device * device, int req_plist, int req_glist,
                     int dl_format, int addrDescIndex, 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);

/* 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);
int scsiGetRPM(scsi_device * device, int modese_len, int * form_factorp,
               int * haw_zbcp);
int scsiGetSetCache(scsi_device * device,  int modese_len, short int * wce,
                    short int * rcd);
uint64_t scsiGetSize(scsi_device * device, unsigned int * lb_sizep,
                     int * lb_per_pb_expp);
int scsiGetProtPBInfo(scsi_device * device, unsigned char * rc16_12_31p);

/* 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 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 scsi_format_id_string(char * out, const unsigned char * in, int n);

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); }

/* Attempt to find the first SCSI sense data descriptor that matches the
   given 'desc_type'. If found return pointer to start of sense data
   descriptor; otherwise (including fixed format sense data) returns NULL. */
const unsigned char * sg_scsi_sense_desc_find(const unsigned char * sensep,
                                                     int sense_len, int desc_type);


/* 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	*
6b80b4d2	4	* Home page of code is: http://www.smartmontools.org
832b75ed	5	*
293b5ab8	6	* Copyright (C) 2002-8 Bruce Allen
832b75ed	7	* Copyright (C) 2000 Michael Cornwell <cornwell@acm.org>
293b5ab8	8	* Copyright (C) 2003-15 Douglas Gilbert <dgilbert@interlog.com>
832b75ed GG	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License as published by
	12	* the Free Software Foundation; either version 2, or (at your option)
	13	* any later version.
	14	*
	15	* You should have received a copy of the GNU General Public License
ee38a438 GI	16	* (for example COPYING); if not, write to the Free Software Foundation,
ee38a438 GI	17	* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
832b75ed GG	18	*
	19	* This code was originally developed as a Senior Thesis by Michael Cornwell
	20	* at the Concurrent Systems Laboratory (now part of the Storage Systems
	21	* Research Center), Jack Baskin School of Engineering, University of
	22	* California, Santa Cruz. http://ssrc.soe.ucsc.edu/
	23	*
	24	* N.B. What was formerly known as "SMART" are now called "informational
	25	* exceptions" in recent t10.org drafts (i.e. recent SCSI).
	26	*
	27	*/
	28
	29
	30	#ifndef SCSICMDS_H_
	31	#define SCSICMDS_H_
	32
6b80b4d2	33	#define SCSICMDS_H_CVSID "$Id: scsicmds.h 4152 2015-10-17 16:08:21Z chrfranke $\n"
832b75ed GG	34
	35	#include <stdio.h>
	36	#include <stdlib.h>
	37	#include <string.h>
832b75ed GG	38
	39	/* #define SCSI_DEBUG 1 / / Comment out to disable command debugging */
	40
2127e193 GI	41	/* Following conditional defines just in case OS already has them defined.
2127e193 GI	42	* If they are defined we hope they are defined correctly (for SCSI). */
832b75ed GG	43	#ifndef TEST_UNIT_READY
	44	#define TEST_UNIT_READY 0x0
	45	#endif
2127e193 GI	46	#ifndef LOG_SELECT
	47	#define LOG_SELECT 0x4c
	48	#endif
832b75ed GG	49	#ifndef LOG_SENSE
	50	#define LOG_SENSE 0x4d
	51	#endif
	52	#ifndef MODE_SENSE
	53	#define MODE_SENSE 0x1a
	54	#endif
	55	#ifndef MODE_SENSE_10
	56	#define MODE_SENSE_10 0x5a
	57	#endif
	58	#ifndef MODE_SELECT
	59	#define MODE_SELECT 0x15
	60	#endif
	61	#ifndef MODE_SELECT_10
	62	#define MODE_SELECT_10 0x55
	63	#endif
	64	#ifndef INQUIRY
	65	#define INQUIRY 0x12
	66	#endif
	67	#ifndef REQUEST_SENSE
	68	#define REQUEST_SENSE 0x03
	69	#endif
	70	#ifndef RECEIVE_DIAGNOSTIC
	71	#define RECEIVE_DIAGNOSTIC 0x1c
	72	#endif
	73	#ifndef SEND_DIAGNOSTIC
	74	#define SEND_DIAGNOSTIC 0x1d
	75	#endif
	76	#ifndef READ_DEFECT_10
	77	#define READ_DEFECT_10 0x37
	78	#endif
ee38a438 GI	79	#ifndef READ_DEFECT_12
	80	#define READ_DEFECT_12 0xb7
	81	#endif
cfbba5b9 GI	82	#ifndef START_STOP_UNIT
	83	#define START_STOP_UNIT 0x1b
	84	#endif
	85	#ifndef REPORT_LUNS
	86	#define REPORT_LUNS 0xa0
	87	#endif
	88	#ifndef READ_CAPACITY_10
	89	#define READ_CAPACITY_10 0x25
	90	#endif
	91	#ifndef READ_CAPACITY_16
a7e8ffec GI	92	#define READ_CAPACITY_16 0x9e
	93	#endif
	94	#ifndef SAI_READ_CAPACITY_16 /* service action for READ_CAPACITY_16 */
	95	#define SAI_READ_CAPACITY_16 0x10
cfbba5b9	96	#endif
832b75ed	97
4d59bff9 GG	98	#ifndef SAT_ATA_PASSTHROUGH_12
	99	#define SAT_ATA_PASSTHROUGH_12 0xa1
	100	#endif
	101	#ifndef SAT_ATA_PASSTHROUGH_16
	102	#define SAT_ATA_PASSTHROUGH_16 0x85
	103	#endif
	104
832b75ed	105	typedef unsigned char UINT8;
a37e7145	106	typedef signed char INT8;
832b75ed GG	107	typedef unsigned int UINT32;
	108	typedef int INT32;
	109
	110	#define DXFER_NONE 0
	111	#define DXFER_FROM_DEVICE 1
	112	#define DXFER_TO_DEVICE 2
	113
	114	struct scsi_cmnd_io
	115	{
	116	UINT8 * cmnd; /* [in]: ptr to SCSI command block (cdb) */
	117	size_t cmnd_len; /* [in]: number of bytes in SCSI command */
ee38a438	118	int dxfer_dir; /* [in]: DXFER_NONE, DXFER_FROM_DEVICE, or
832b75ed GG	119	DXFER_TO_DEVICE */
	120	UINT8 * dxferp; /* [in]: ptr to outgoing or incoming data buffer */
	121	size_t dxfer_len; /* [in]: bytes to be transferred to/from dxferp */
ee38a438	122	UINT8 * sensep; /* [in]: ptr to sense buffer, filled when
832b75ed GG	123	CHECK CONDITION status occurs */
	124	size_t max_sense_len; /* [in]: max number of bytes to write to sensep */
	125	unsigned timeout; /* [in]: seconds, 0-> default timeout (60 seconds?) */
	126	size_t resp_sense_len; /* [out]: sense buffer length written */
	127	UINT8 scsi_status; /* [out]: 0->ok, 2->CHECK CONDITION, etc ... */
	128	int resid; /* [out]: Number of bytes requested to be transferred
	129	less actual number transferred (0 if not
	130	supported) */
	131	};
	132
	133	struct scsi_sense_disect {
ee38a438	134	UINT8 resp_code;
832b75ed	135	UINT8 sense_key;
ee38a438	136	UINT8 asc;
832b75ed	137	UINT8 ascq;
ee38a438	138	int progress; /* -1 -> N/A, 0-65535 -> available */
832b75ed GG	139	};
	140
	141	/* Useful data from Informational Exception Control mode page (0x1c) */
	142	#define SCSI_IECMP_RAW_LEN 64
	143	struct scsi_iec_mode_page {
	144	UINT8 requestedCurrent;
	145	UINT8 gotCurrent;
	146	UINT8 requestedChangeable;
	147	UINT8 gotChangeable;
	148	UINT8 modese_len; /* 0 (don't know), 6 or 10 */
	149	UINT8 raw_curr[SCSI_IECMP_RAW_LEN];
	150	UINT8 raw_chg[SCSI_IECMP_RAW_LEN];
	151	};
	152
	153	/* Carrier for Error counter log pages (e.g. read, write, verify ...) */
	154	struct scsiErrorCounter {
	155	UINT8 gotPC[7];
	156	UINT8 gotExtraPC;
	157	uint64_t counter[8];
	158	};
	159
	160	/* Carrier for Non-medium error log page */
	161	struct scsiNonMediumError {
	162	UINT8 gotPC0;
	163	UINT8 gotExtraPC;
	164	uint64_t counterPC0;
	165	UINT8 gotTFE_H;
	166	uint64_t counterTFE_H; /* Track following errors [Hitachi] */
	167	UINT8 gotPE_H;
	168	uint64_t counterPE_H; /* Positioning errors [Hitachi] */
	169	};
	170
	171	/* SCSI Peripheral types (of interest) */
	172	#define SCSI_PT_DIRECT_ACCESS 0x0
	173	#define SCSI_PT_SEQUENTIAL_ACCESS 0x1
	174	#define SCSI_PT_CDROM 0x5
	175	#define SCSI_PT_MEDIUM_CHANGER 0x8
	176	#define SCSI_PT_ENCLOSURE 0xd
	177
	178	/* ANSI SCSI-3 Log Pages retrieved by LOG SENSE. */
	179	#define SUPPORTED_LPAGES 0x00
	180	#define BUFFER_OVERRUN_LPAGE 0x01
	181	#define WRITE_ERROR_COUNTER_LPAGE 0x02
	182	#define READ_ERROR_COUNTER_LPAGE 0x03
	183	#define READ_REVERSE_ERROR_COUNTER_LPAGE 0x04
	184	#define VERIFY_ERROR_COUNTER_LPAGE 0x05
	185	#define NON_MEDIUM_ERROR_LPAGE 0x06
	186	#define LAST_N_ERROR_LPAGE 0x07
	187	#define FORMAT_STATUS_LPAGE 0x08
d008864d	188	#define LB_PROV_LPAGE 0x0c /* SBC-3 */
832b75ed GG	189	#define TEMPERATURE_LPAGE 0x0d
	190	#define STARTSTOP_CYCLE_COUNTER_LPAGE 0x0e
	191	#define APPLICATION_CLIENT_LPAGE 0x0f
	192	#define SELFTEST_RESULTS_LPAGE 0x10
d008864d	193	#define SS_MEDIA_LPAGE 0x11 /* SBC-3 */
4d59bff9	194	#define BACKGROUND_RESULTS_LPAGE 0x15 /* SBC-3 */
d008864d	195	#define NONVOL_CACHE_LPAGE 0x17 /* SBC-3 */
2127e193	196	#define PROTOCOL_SPECIFIC_LPAGE 0x18
832b75ed GG	197	#define IE_LPAGE 0x2f
	198
	199	/* Seagate vendor specific log pages. */
	200	#define SEAGATE_CACHE_LPAGE 0x37
	201	#define SEAGATE_FACTORY_LPAGE 0x3e
	202
	203	/* Log page response lengths */
	204	#define LOG_RESP_SELF_TEST_LEN 0x194
	205
ee38a438	206	/* See the SSC-2 document at www.t10.org . Earler note: From IBM
832b75ed GG	207	Documentation, see http://www.storage.ibm.com/techsup/hddtech/prodspecs.htm */
	208	#define TAPE_ALERTS_LPAGE 0x2e
	209
	210	/* ANSI SCSI-3 Mode Pages */
	211	#define VENDOR_UNIQUE_PAGE 0x00
	212	#define READ_WRITE_ERROR_RECOVERY_PAGE 0x01
	213	#define DISCONNECT_RECONNECT_PAGE 0x02
	214	#define FORMAT_DEVICE_PAGE 0x03
	215	#define RIGID_DISK_DRIVE_GEOMETRY_PAGE 0x04
	216	#define FLEXIBLE_DISK_PAGE 0x05
	217	#define VERIFY_ERROR_RECOVERY_PAGE 0x07
	218	#define CACHING_PAGE 0x08
	219	#define PERIPHERAL_DEVICE_PAGE 0x09
	220	#define XOR_CONTROL_MODE_PAGE 0x10
	221	#define CONTROL_MODE_PAGE 0x0a
	222	#define MEDIUM_TYPES_SUPPORTED_PAGE 0x0b
	223	#define NOTCH_PAGE 0x0c
	224	#define CD_DEVICE_PAGE 0x0d
	225	#define CD_AUDIO_CONTROL_PAGE 0x0e
	226	#define DATA_COMPRESSION_PAGE 0x0f
	227	#define ENCLOSURE_SERVICES_MANAGEMENT_PAGE 0x14
	228	#define PROTOCOL_SPECIFIC_LUN_PAGE 0x18
	229	#define PROTOCOL_SPECIFIC_PORT_PAGE 0x19
	230	#define POWER_CONDITION_PAGE 0x1a
	231	#define INFORMATIONAL_EXCEPTIONS_CONTROL_PAGE 0x1c
	232	#define FAULT_FAILURE_REPORTING_PAGE 0x1c
	233
4d59bff9 GG	234	/* Background control mode subpage is [0x1c,0x1] */
	235	#define BACKGROUND_CONTROL_M_SUBPAGE 0x1 /* SBC-2 */
	236
832b75ed GG	237	#define ALL_MODE_PAGES 0x3f
	238
	239	/* Mode page control field */
	240	#define MPAGE_CONTROL_CURRENT 0
	241	#define MPAGE_CONTROL_CHANGEABLE 1
	242	#define MPAGE_CONTROL_DEFAULT 2
	243	#define MPAGE_CONTROL_SAVED 3
	244
ee38a438 GI	245	/* SCSI Vital Product Data (VPD) pages */
	246	#define SCSI_VPD_SUPPORTED_VPD_PAGES 0x0
	247	#define SCSI_VPD_UNIT_SERIAL_NUMBER 0x80
	248	#define SCSI_VPD_DEVICE_IDENTIFICATION 0x83
	249	#define SCSI_VPD_EXTENDED_INQUIRY_DATA 0x86
	250	#define SCSI_VPD_ATA_INFORMATION 0x89
	251	#define SCSI_VPD_POWER_CONDITION 0x8a
	252	#define SCSI_VPD_POWER_CONSUMPTION 0x8d
	253	#define SCSI_VPD_BLOCK_LIMITS 0xb0
	254	#define SCSI_VPD_BLOCK_DEVICE_CHARACTERISTICS 0xb1
	255	#define SCSI_VPD_LOGICAL_BLOCK_PROVISIONING 0xb2
	256
832b75ed GG	257	/* defines for useful SCSI Status codes */
	258	#define SCSI_STATUS_CHECK_CONDITION 0x2
	259
	260	/* defines for useful Sense Key codes */
4d59bff9 GG	261	#define SCSI_SK_NO_SENSE 0x0
4d59bff9 GG	262	#define SCSI_SK_RECOVERED_ERR 0x1
832b75ed GG	263	#define SCSI_SK_NOT_READY 0x2
	264	#define SCSI_SK_MEDIUM_ERROR 0x3
	265	#define SCSI_SK_HARDWARE_ERROR 0x4
	266	#define SCSI_SK_ILLEGAL_REQUEST 0x5
	267	#define SCSI_SK_UNIT_ATTENTION 0x6
a37e7145	268	#define SCSI_SK_ABORTED_COMMAND 0xb
832b75ed GG	269
	270	/* defines for useful Additional Sense Codes (ASCs) */
	271	#define SCSI_ASC_NOT_READY 0x4 /* more info in ASCQ code */
	272	#define SCSI_ASC_NO_MEDIUM 0x3a /* more info in ASCQ code */
	273	#define SCSI_ASC_UNKNOWN_OPCODE 0x20
ee38a438	274	#define SCSI_ASC_INVALID_FIELD 0x24
832b75ed GG	275	#define SCSI_ASC_UNKNOWN_PARAM 0x26
	276	#define SCSI_ASC_WARNING 0xb
	277	#define SCSI_ASC_IMPENDING_FAILURE 0x5d
	278
4d59bff9 GG	279	#define SCSI_ASCQ_ATA_PASS_THROUGH 0x1d
4d59bff9 GG	280
832b75ed GG	281	/* Simplified error code (negative values as per errno) */
	282	#define SIMPLE_NO_ERROR 0
	283	#define SIMPLE_ERR_NOT_READY 1
	284	#define SIMPLE_ERR_BAD_OPCODE 2
	285	#define SIMPLE_ERR_BAD_FIELD 3 /* in cbd */
	286	#define SIMPLE_ERR_BAD_PARAM 4 /* in data */
	287	#define SIMPLE_ERR_BAD_RESP 5 /* response fails sanity */
	288	#define SIMPLE_ERR_NO_MEDIUM 6 /* no medium present */
	289	#define SIMPLE_ERR_BECOMING_READY 7 /* device will be ready soon */
	290	#define SIMPLE_ERR_TRY_AGAIN 8 /* some warning, try again */
	291	#define SIMPLE_ERR_MEDIUM_HARDWARE 9 /* medium or hardware error */
a37e7145 GG	292	#define SIMPLE_ERR_UNKNOWN 10 /* unknown sense value */
a37e7145 GG	293	#define SIMPLE_ERR_ABORTED_COMMAND 11 /* most likely transport error */
832b75ed GG	294
	295
	296	/* defines for functioncode parameter in SENDDIAGNOSTIC function */
	297	#define SCSI_DIAG_NO_SELF_TEST 0x00
	298	#define SCSI_DIAG_DEF_SELF_TEST 0xff
	299	#define SCSI_DIAG_BG_SHORT_SELF_TEST 0x01
	300	#define SCSI_DIAG_BG_EXTENDED_SELF_TEST 0x02
	301	#define SCSI_DIAG_FG_SHORT_SELF_TEST 0x05
	302	#define SCSI_DIAG_FG_EXTENDED_SELF_TEST 0x06
	303	#define SCSI_DIAG_ABORT_SELF_TEST 0x04
	304
	305
	306	/* SCSI command timeout values (units are seconds) */
eb07ddf2 GI	307	#define SCSI_TIMEOUT_DEFAULT 20 // should be longer than the spin up time
eb07ddf2 GI	308	// of a disk in standby mode.
832b75ed GG	309	#define SCSI_TIMEOUT_SELF_TEST (5 * 60 * 60) /* allow max 5 hours for */
	310	/* extended foreground self test */
	311
	312
	313
	314	#define LOGPAGEHDRSIZE 4
	315
2127e193 GI	316	class scsi_device;
2127e193 GI	317
ee38a438 GI	318	// Set of supported SCSI VPD pages. Constructor fetches Supported VPD pages
	319	// VPD page and remembers the response for later queries.
	320	class supported_vpd_pages
	321	{
	322	public:
6b80b4d2	323	explicit supported_vpd_pages(scsi_device * device);
ee38a438 GI	324	~supported_vpd_pages() { num_valid = 0; }
	325
	326	bool is_supported(int vpd_page_num) const;
	327
	328	/* Returns 0 or less for VPD pages not supported or error */
	329	int num_pages() const { return num_valid; }
	330
	331	private:
	332	int num_valid; /* 0 or less for invalid */
	333	unsigned char pages[256];
	334	};
	335
	336	extern supported_vpd_pages * supported_vpd_pages_p;
	337
	338
cfbba5b9 GI	339	// Print SCSI debug messages?
	340	extern unsigned char scsi_debugmode;
	341
832b75ed GG	342	void scsi_do_sense_disect(const struct scsi_cmnd_io * in,
	343	struct scsi_sense_disect * out);
	344
4d59bff9 GG	345	int scsiSimpleSenseFilter(const struct scsi_sense_disect * sinfo);
4d59bff9 GG	346
832b75ed GG	347	const char * scsiErrString(int scsiErr);
832b75ed GG	348
a7e8ffec GI	349	int scsi_vpd_dev_id_iter(const unsigned char * initial_desig_desc,
	350	int page_len, int * off, int m_assoc,
	351	int m_desig_type, int m_code_set);
	352
	353	int scsi_decode_lu_dev_id(const unsigned char * b, int blen, char * s,
	354	int slen, int * transport);
	355
	356
832b75ed	357	/* STANDARD SCSI Commands */
2127e193	358	int scsiTestUnitReady(scsi_device * device);
832b75ed	359
2127e193	360	int scsiStdInquiry(scsi_device * device, UINT8 *pBuf, int bufLen);
832b75ed	361
2127e193	362	int scsiInquiryVpd(scsi_device * device, int vpd_page, UINT8 *pBuf, int bufLen);
832b75ed	363
2127e193 GI	364	int scsiLogSense(scsi_device * device, int pagenum, int subpagenum, UINT8 *pBuf,
2127e193 GI	365	int bufLen, int known_resp_len);
832b75ed	366
2127e193 GI	367	int scsiLogSelect(scsi_device * device, int pcr, int sp, int pc, int pagenum,
	368	int subpagenum, UINT8 *pBuf, int bufLen);
	369
	370	int scsiModeSense(scsi_device * device, int pagenum, int subpagenum, int pc,
4d59bff9	371	UINT8 *pBuf, int bufLen);
832b75ed	372
2127e193	373	int scsiModeSelect(scsi_device * device, int sp, UINT8 *pBuf, int bufLen);
832b75ed	374
2127e193 GI	375	int scsiModeSense10(scsi_device * device, int pagenum, int subpagenum, int pc,
2127e193 GI	376	UINT8 *pBuf, int bufLen);
832b75ed	377
2127e193	378	int scsiModeSelect10(scsi_device * device, int sp, UINT8 *pBuf, int bufLen);
832b75ed GG	379
	380	int scsiModePageOffset(const UINT8 * resp, int len, int modese_len);
	381
2127e193	382	int scsiRequestSense(scsi_device * device, struct scsi_sense_disect * sense_info);
832b75ed	383
2127e193	384	int scsiSendDiagnostic(scsi_device * device, int functioncode, UINT8 *pBuf, int bufLen);
832b75ed	385
2127e193	386	int scsiReadDefect10(scsi_device * device, int req_plist, int req_glist, int dl_format,
832b75ed GG	387	UINT8 *pBuf, int bufLen);
832b75ed GG	388
ee38a438 GI	389	int scsiReadDefect12(scsi_device * device, int req_plist, int req_glist,
	390	int dl_format, int addrDescIndex, UINT8 *pBuf, int bufLen);
	391
a7e8ffec GI	392	int scsiReadCapacity10(scsi_device * device, unsigned int * last_lbp,
	393	unsigned int * lb_sizep);
	394
	395	int scsiReadCapacity16(scsi_device * device, UINT8 *pBuf, int bufLen);
	396
832b75ed	397	/* SMART specific commands */
2127e193	398	int scsiCheckIE(scsi_device * device, int hasIELogPage, int hasTempLogPage, UINT8 *asc,
832b75ed GG	399	UINT8 ascq, UINT8 currenttemp, UINT8 *triptemp);
832b75ed GG	400
2127e193	401	int scsiFetchIECmpage(scsi_device * device, struct scsi_iec_mode_page *iecp,
832b75ed GG	402	int modese_len);
	403	int scsi_IsExceptionControlEnabled(const struct scsi_iec_mode_page *iecp);
	404	int scsi_IsWarningEnabled(const struct scsi_iec_mode_page *iecp);
2127e193	405	int scsiSetExceptionControlAndWarning(scsi_device * device, int enabled,
832b75ed GG	406	const struct scsi_iec_mode_page *iecp);
	407	void scsiDecodeErrCounterPage(unsigned char * resp,
	408	struct scsiErrorCounter *ecp);
	409	void scsiDecodeNonMediumErrPage(unsigned char * resp,
	410	struct scsiNonMediumError *nmep);
2127e193	411	int scsiFetchExtendedSelfTestTime(scsi_device * device, int * durationSec,
832b75ed	412	int modese_len);
2127e193 GI	413	int scsiCountFailedSelfTests(scsi_device * device, int noisy);
	414	int scsiSelfTestInProgress(scsi_device * device, int * inProgress);
	415	int scsiFetchControlGLTSD(scsi_device * device, int modese_len, int current);
	416	int scsiSetControlGLTSD(scsi_device * device, int enabled, int modese_len);
	417	int scsiFetchTransportProtocol(scsi_device * device, int modese_len);
d2e702cf GI	418	int scsiGetRPM(scsi_device * device, int modese_len, int * form_factorp,
d2e702cf GI	419	int * haw_zbcp);
ee38a438 GI	420	int scsiGetSetCache(scsi_device * device, int modese_len, short int * wce,
	421	short int * rcd);
	422	uint64_t scsiGetSize(scsi_device * device, unsigned int * lb_sizep,
	423	int * lb_per_pb_expp);
	424	int scsiGetProtPBInfo(scsi_device * device, unsigned char * rc16_12_31p);
832b75ed	425
a7e8ffec	426	/* T10 Standard IE Additional Sense Code strings taken from t10.org */
832b75ed	427	const char* scsiGetIEString(UINT8 asc, UINT8 ascq);
2127e193	428	int scsiGetTemp(scsi_device * device, UINT8 currenttemp, UINT8 triptemp);
832b75ed GG	429
832b75ed GG	430
2127e193 GI	431	int scsiSmartDefaultSelfTest(scsi_device * device);
	432	int scsiSmartShortSelfTest(scsi_device * device);
	433	int scsiSmartExtendSelfTest(scsi_device * device);
	434	int scsiSmartShortCapSelfTest(scsi_device * device);
	435	int scsiSmartExtendCapSelfTest(scsi_device * device);
	436	int scsiSmartSelfTestAbort(scsi_device * device);
832b75ed GG	437
	438	const char * scsiTapeAlertsTapeDevice(unsigned short code);
	439	const char * scsiTapeAlertsChangerDevice(unsigned short code);
	440
	441	const char * scsi_get_opcode_name(UINT8 opcode);
ee38a438 GI	442	void scsi_format_id_string(char * out, const unsigned char * in, int n);
ee38a438 GI	443
832b75ed	444	void dStrHex(const char* str, int len, int no_ascii);
4d59bff9 GG	445	inline void dStrHex(const unsigned char* str, int len, int no_ascii)
	446	{ dStrHex((const char *)str, len, no_ascii); }
	447
ee38a438 GI	448	/* Attempt to find the first SCSI sense data descriptor that matches the
	449	given 'desc_type'. If found return pointer to start of sense data
	450	descriptor; otherwise (including fixed format sense data) returns NULL. */
	451	const unsigned char * sg_scsi_sense_desc_find(const unsigned char * sensep,
	452	int sense_len, int desc_type);
	453
832b75ed GG	454
	455	/* SCSI command transmission interface function declaration. Its
	456	* definition is target OS specific (see os_<OS>.c file).
	457	* Returns 0 if SCSI command successfully launched and response
	458	* received. Even when 0 is returned the caller should check
	459	* scsi_cmnd_io::scsi_status for SCSI defined errors and warnings
	460	* (e.g. CHECK CONDITION). If the SCSI command could not be issued
	461	* (e.g. device not present or not a SCSI device) or some other problem
	462	* arises (e.g. timeout) then returns a negative errno value. */
2127e193 GI	463	// Moved to C++ interface
	464	//int do_scsi_cmnd_io(int dev_fd, struct scsi_cmnd_io * iop, int report);
	465
832b75ed GG	466
832b75ed GG	467
832b75ed	468	#endif