/* * scsicmds.h * * Home page of code is: https://www.smartmontools.org * * Copyright (C) 2002-8 Bruce Allen * Copyright (C) 2000 Michael Cornwell * Copyright (C) 2003-2023 Douglas Gilbert * * SPDX-License-Identifier: GPL-2.0-or-later * * * 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 5462 2023-03-13 10:45:06Z chrfranke $\n" #include #include #include #include /* #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_6 #define MODE_SENSE_6 0x1a #endif #ifndef MODE_SENSE_10 #define MODE_SENSE_10 0x5a #endif #ifndef MODE_SELECT_6 #define MODE_SELECT_6 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 /* SSU */ #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 SERVICE_ACTION_IN_16 #define SERVICE_ACTION_IN_16 0x9e #endif #ifndef SAI_READ_CAPACITY_16 /* service action in for READ_CAPACITY_16 */ #define SAI_READ_CAPACITY_16 0x10 #endif #ifndef SAI_GET_PHY_ELEM_STATUS /* Get physical element status */ #define SAI_GET_PHY_ELEM_STATUS 0x17 #endif #ifndef SAI_REPORT_SUPPORTED_OPCODES #define SAI_REPORT_SUPPORTED_OPCODES 0xc #endif #ifndef MAINTENANCE_IN_12 #define MAINTENANCE_IN_12 0xa3 #endif #ifndef MI_REP_SUP_OPCODES #define MI_REP_SUP_OPCODES 0xc /* maintenance in (12) */ #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 #define DXFER_NONE 0 #define DXFER_FROM_DEVICE 1 #define DXFER_TO_DEVICE 2 /* scsi_rsoc_elem and scsi_device is defined in dev_interface.h */ struct scsi_cmnd_io { uint8_t * 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_t * dxferp; /* [in]: ptr to outgoing or incoming data buffer */ size_t dxfer_len; /* [in]: bytes to be transferred to/from dxferp */ uint8_t * 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_t 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_t resp_code; uint8_t sense_key; uint8_t asc; uint8_t 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_t requestedCurrent; uint8_t gotCurrent; uint8_t requestedChangeable; uint8_t gotChangeable; uint8_t modese_len; /* 0 (don't know), 6 or 10 */ uint8_t raw_curr[SCSI_IECMP_RAW_LEN]; uint8_t raw_chg[SCSI_IECMP_RAW_LEN]; }; /* Carrier for Error counter log pages (e.g. read, write, verify ...) */ struct scsiErrorCounter { uint8_t gotPC[7]; uint8_t gotExtraPC; uint64_t counter[8]; }; /* Carrier for Non-medium error log page */ struct scsiNonMediumError { uint8_t gotPC0; uint8_t gotExtraPC; uint64_t counterPC0; uint8_t gotTFE_H; uint64_t counterTFE_H; /* Track following errors [Hitachi] */ uint8_t gotPE_H; uint64_t counterPE_H; /* Positioning errors [Hitachi] */ }; struct scsi_readcap_resp { uint64_t num_lblocks; /* Number of Logical Blocks on device */ uint32_t lb_size; /* should be available in all non-error cases */ /* following fields from READ CAPACITY(16) or set to 0 */ uint8_t prot_type; /* 0, 1, 2 or 3 protection type, deduced from * READ CAPACITY(16) P_TYPE and PROT_EN fields */ uint8_t p_i_exp; /* Protection information Intervals Exponent */ uint8_t lb_p_pb_exp;/* Logical Blocks per Physical Block Exponent */ bool lbpme; /* Logical Block Provisioning Management Enabled */ bool lbprz; /* Logical Block Provisioning Read Zeros */ uint16_t l_a_lba; /* Lowest Aligned Logical Block Address */ }; struct scsi_supp_log_pages { uint8_t page_code; uint8_t subpage_code; }; /* SCSI Peripheral types (of interest) */ #define SCSI_PT_DIRECT_ACCESS 0x0 #define SCSI_PT_SEQUENTIAL_ACCESS 0x1 #define SCSI_PT_WO 0x4 /* write once device */ #define SCSI_PT_CDROM 0x5 #define SCSI_PT_OPTICAL 0x7 #define SCSI_PT_MEDIUM_CHANGER 0x8 #define SCSI_PT_ENCLOSURE 0xd #define SCSI_PT_RBC 0xe #define SCSI_PT_HOST_MANAGED 0x14 /* Zoned disk */ /* Transport protocol identifiers or just Protocol identifiers */ #define SCSI_TPROTO_FCP 0 #define SCSI_TPROTO_SPI 1 #define SCSI_TPROTO_SSA 2 #define SCSI_TPROTO_1394 3 #define SCSI_TPROTO_SRP 4 /* SCSI over RDMA */ #define SCSI_TPROTO_ISCSI 5 #define SCSI_TPROTO_SAS 6 #define SCSI_TPROTO_ADT 7 #define SCSI_TPROTO_ATA 8 #define SCSI_TPROTO_UAS 9 /* USB attached SCSI */ #define SCSI_TPROTO_SOP 0xa /* SCSI over PCIe */ #define SCSI_TPROTO_PCIE 0xb /* includes NVMe */ #define SCSI_TPROTO_NONE 0xf /* SCSI Log Pages retrieved by LOG SENSE. 0x0 to 0x3f, 0x30 to 0x3e vendor */ #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_EVENTS_LPAGE 0x07 #define FORMAT_STATUS_LPAGE 0x08 #define LAST_N_DEFERRED_LPAGE 0x0b /* or async events */ #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 DEVICE_STATS_LPAGE 0x14 /* SSC-5 */ #define BACKGROUND_RESULTS_LPAGE 0x15 /* SBC-3 */ #define ATA_PT_RESULTS_LPAGE 0x16 /* SAT */ #define NONVOL_CACHE_LPAGE 0x17 /* SBC-3 */ #define PROTOCOL_SPECIFIC_LPAGE 0x18 #define GEN_STATS_PERF_LPAGE 0x19 #define POWER_COND_TRANS_LPAGE 0x1a #define IE_LPAGE 0x2f /* SCSI Log subpages (8 bits), added spc4r05 2006, standardized SPC-4 2015 */ #define NO_SUBPAGE_L_SPAGE 0x0 /* 0x0-0x3f,0x0 */ #define LAST_N_INQ_DAT_L_SPAGE 0x1 /* 0xb,0x1 */ #define LAST_N_MODE_PG_L_SPAGE 0x2 /* 0xb,0x2 */ #define ENVIRO_REP_L_SPAGE 0x1 /* 0xd,0x1 */ #define ENVIRO_LIMITS_L_SPAGE 0x2 /* 0xd,0x2 */ #define UTILIZATION_L_SPAGE 0x1 /* 0xe,0x1 */ #define ZB_DEV_STATS_L_SPAGE 0x1 /* 0x14,0x1 */ #define PEND_DEFECTS_L_SPAGE 0x1 /* 0x15,0x1 */ #define BACKGROUND_OP_L_SPAGE 0x2 /* 0x15,0x2 */ #define LPS_MISALIGN_L_SPAGE 0x3 /* 0x15,0x3 */ #define SUPP_SPAGE_L_SPAGE 0xff /* 0x0,0xff pages+subpages */ /* Seagate vendor specific log pages. */ #define SEAGATE_CACHE_LPAGE 0x37 #define SEAGATE_FARM_LPAGE 0x3d #define SEAGATE_FACTORY_LPAGE 0x3e /* Seagate vendor specific log sub-pages. */ #define SEAGATE_FARM_CURRENT_L_SPAGE 0x3 /* 0x3d,0x3 */ /* Log page response lengths */ #define LOG_RESP_SELF_TEST_LEN 0x194 /* See the SSC-2 document at www.t10.org . Earlier 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 #define SCSI_VPD_ZONED_BLOCK_DEV_CHAR 0xb6 /* 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_DATA_PROTECT 0x7 #define SCSI_SK_ABORTED_COMMAND 0xb #define SCSI_SK_MISCOMPARE 0xe #define SCSI_SK_COMPLETED 0xf /* 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 /* probably transport error */ #define SIMPLE_ERR_PROTECTION 12 /* data protect sense key */ #define SIMPLE_ERR_MISCOMPARE 13 /* from VERIFY commands */ /* 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 /* Defines for power_cond in scsiSetPowerCondition() (SSU command) */ #define SCSI_POW_COND_ACTIVE 0x1 #define SCSI_POW_COND_IDLE 0x2 #define SCSI_POW_COND_STANDBY 0x3 /* SCSI command timeout values (units are seconds) */ #define SCSI_TIMEOUT_DEFAULT 60 // should be longer than the spin up time // of a disk in JBOD. #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); bool is_supported(int vpd_page_num) const; private: int num_valid; /* 0 or less for invalid */ unsigned char pages[256]; }; extern supported_vpd_pages * supported_vpd_pages_p; /* This is a heuristic that takes into account the command bytes and length * to decide whether the presented unstructured sequence of bytes could be * a SCSI command. If so it returns true otherwise false. Vendor specific * SCSI commands (i.e. opcodes from 0xc0 to 0xff), if presented, are assumed * to follow SCSI conventions (i.e. length of 6, 10, 12 or 16 bytes). The * only SCSI commands considered above 16 bytes of length are the Variable * Length Commands (opcode 0x7f) and the XCDB wrapped commands (opcode 0x7e). * Both have an inbuilt length field which can be cross checked with clen. * No NVMe commands (64 bytes long plus some extra added by some OSes) have * opcodes 0x7e or 0x7f yet. ATA is register based but SATA has FIS * structures that are sent across the wire. The FIS register structure is * used to move a command from a SATA host to device, but the ATA 'command' * is not the first byte. So it is harder to say what will happen if a * FIS structure is presented as a SCSI command, hopefully there is a low * probability this function will yield true in that case. */ bool is_scsi_cdb(const uint8_t * cdbp, int clen); // 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); /* Yield string associated with sense_key value. Returns 'buff'. */ char * scsi_get_sense_key_str(int sense_key, int buff_len, char * buff); 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_t *pBuf, int bufLen); int scsiInquiryVpd(scsi_device * device, int vpd_page, uint8_t *pBuf, int bufLen); int scsiLogSense(scsi_device * device, int pagenum, int subpagenum, uint8_t *pBuf, int bufLen, int known_resp_len); int scsiLogSelect(scsi_device * device, int pcr, int sp, int pc, int pagenum, int subpagenum, uint8_t *pBuf, int bufLen); int scsiModeSense(scsi_device * device, int pagenum, int subpagenum, int pc, uint8_t *pBuf, int bufLen); int scsiModeSelect(scsi_device * device, int sp, uint8_t *pBuf, int bufLen); int scsiModeSense10(scsi_device * device, int pagenum, int subpagenum, int pc, uint8_t *pBuf, int bufLen); int scsiModeSelect10(scsi_device * device, int sp, uint8_t *pBuf, int bufLen); int scsiModePageOffset(const uint8_t * resp, int len, int modese_len); int scsiRequestSense(scsi_device * device, struct scsi_sense_disect * sense_info); int scsiSetPowerCondition(scsi_device * device, int power_cond, int pcond_modifier = 0); int scsiSendDiagnostic(scsi_device * device, int functioncode, uint8_t *pBuf, int bufLen); bool scsi_pass_through_yield_sense(scsi_device * device, scsi_cmnd_io * iop, struct scsi_sense_disect & sinfo); int scsiReadDefect10(scsi_device * device, int req_plist, int req_glist, int dl_format, uint8_t *pBuf, int bufLen); int scsiReadDefect12(scsi_device * device, int req_plist, int req_glist, int dl_format, int addrDescIndex, uint8_t *pBuf, int bufLen); int scsiReadCapacity10(scsi_device * device, unsigned int * last_lbp, unsigned int * lb_sizep); int scsiReadCapacity16(scsi_device * device, uint8_t *pBuf, int bufLen); int scsiRSOCcmd(scsi_device * device, bool rctd, uint8_t rep_opt, uint8_t opcode, uint16_t serv_act, uint8_t *pBuf, int bufLen, int & rspLen); /* SMART specific commands */ int scsiCheckIE(scsi_device * device, int hasIELogPage, int hasTempLogPage, uint8_t *asc, uint8_t *ascq, uint8_t *currenttemp, uint8_t *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, int allocLen); void scsiDecodeNonMediumErrPage(unsigned char * resp, struct scsiNonMediumError *nmep, int allocLen); 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, bool avoid_rcap16, struct scsi_readcap_resp * srrp); /* T10 Standard IE Additional Sense Code strings taken from t10.org */ char * scsiGetIEString(uint8_t asc, uint8_t ascq, char * b, int blen); int scsiGetTemp(scsi_device * device, uint8_t *currenttemp, uint8_t *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(const uint8_t * cdbp); void scsi_format_id_string(char * out, const uint8_t * in, int n); /* Read binary starting at 'up' for 'len' bytes and output as ASCII * hexadecimal into pout(). 16 bytes per line are output with an * additional space between 8th and 9th byte on each line (for readability). * 'no_ascii' selects one of 3 output format types: * > 0 each line has address then up to 16 ASCII-hex bytes * = 0 in addition, the bytes are rendered in ASCII to the right * of each line, non-printable characters shown as '.' * < 0 only the ASCII-hex bytes are listed (i.e. without address) */ void dStrHex(const uint8_t * up, int len, int no_ascii); /* Read binary starting at 'up' for 'len' bytes and output as ASCII * hexadecimal into FILE pointer (fp). If fp is nullptr, then send to * pout(). Note that 'stdout' and 'stderr' can be given for 'fp'. * See dStrHex() above for more information. */ void dStrHexFp(const uint8_t * up, int len, int no_ascii, FILE * fp); /* 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 * nullptr. */ 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_.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