Error In Ioctl Scsi Get Inquiry Data
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Meta Discuss the workings and policies of this site About Us Learn more about linux sg Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges https://msdn.microsoft.com/en-us/library/windows/hardware/ff560509(v=vs.85).aspx Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up DeviceIoControl for SCSI INQUIRY command returns error 50 up vote 0 down vote favorite http://stackoverflow.com/questions/23944239/deviceiocontrol-for-scsi-inquiry-command-returns-error-50 I am trying to access a USB scanner through the IOCTL commands. This is on Windows 7. I did not deal with IOCTL coding before, so I first tried the following snippet based on what I could find with a quick search. #include "stdafx.h" #include
Channel transportiSCSI transport classSerial Attached SCSI (SAS) transport classSATA transport classParallel SCSI (SPI) transport classSCSI RDMA (SRP) transport classSCSI midlayer implementationinclude/scsi/scsi_device.hdrivers/scsi/scsi.cdrivers/scsi/scsicam.cdrivers/scsi/scsi_error.cdrivers/scsi/scsi_devinfo.cdrivers/scsi/scsi_ioctl.cdrivers/scsi/scsi_lib.cdrivers/scsi/scsi_lib_dma.cdrivers/scsi/scsi_module.cdrivers/scsi/scsi_proc.cdrivers/scsi/scsi_netlink.cdrivers/scsi/scsi_scan.cdrivers/scsi/scsi_sysctl.cdrivers/scsi/scsi_sysfs.cdrivers/scsi/hosts.cdrivers/scsi/constants.cinclude/scsi/scsi_device.hshost_for_each_device -- iterate over all https://kernel.org/doc/htmldocs/scsi/mid_layer.html devices of a host __shost_for_each_device -- iterate http://sg.danny.cz/sg/p/sg_v3_ho.html over all devices of a host (UNLOCKED) scsi_device_supports_vpd -- test if a device supports VPD pages drivers/scsi/scsi.cscsi_cmd_get_serial -- Assign a serial number to a command scsi_change_queue_depth -- change error in a device's queue depth scsi_track_queue_full -- track QUEUE_FULL events to adjust queue depth scsi_get_vpd_page -- Get Vital Product Data from a SCSI device scsi_report_opcode -- Find out if a given command opcode is supported error in ioctl scsi_device_get -- get an additional reference to a scsi_device scsi_device_put -- release a reference to a scsi_device starget_for_each_device -- helper to walk all devices of a target __starget_for_each_device -- helper to walk all devices of a target (UNLOCKED) __scsi_device_lookup_by_target -- find a device given the target (UNLOCKED) scsi_device_lookup_by_target -- find a device given the target __scsi_device_lookup -- find a device given the host (UNLOCKED) scsi_device_lookup -- find a device given the host Main file for the SCSI midlayer.drivers/scsi/scsicam.cscsi_bios_ptable -- Read PC partition table out of first sector of device. scsicam_bios_param -- Determine geometry of a disk in cylinders/heads/sectors. scsi_partsize -- Parse cylind
the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. For an online copy of the license see www.fsf.org/copyleft/fdl.html. 2005-09-22Revision HistoryRevision 1.42005-09-22dpg linuxdoc->tldp Revision 1.32002-07-21dpg convert to xml, autosense Revision 1.22002-05-03dpg ENOMEM, EPERM; DRIVER_SENSE->CHECK_CONDITION Revision 1.12002-01-26dpg corrections, host_status, odd dxfer_len Revision 1.02001-12-21dpg original, displace SCSI-PROGRAMMING-HOWTO Abstract This HOWTO describes the SCSI Generic driver (sg) found in the Linux 2.4 production series of kernels. It focuses on the the interface and characteristics of the driver that application writers may need to know. The driver's theory of operations is covered and some brief examples are included. Table of Contents1. Introduction2. What the sg driver does3. Identifying the version of the SG driver4. Interface5. Theory of operation6. The sg_io_hdr_t structure in detailinterface_iddxfer_directioncmd_lenmx_sb_leniovec_countdxfer_lendxferpcmdpsbptimeoutflagspack_idusr_ptrstatusmasked_statusmsg_statussb_len_wrhost_statusdriver_statusresiddurationinfo7. System callsopen()write()read()poll()close()mmap()fcntl(sg_fd, F_SETFL, oflags | FASYNC)Errors reported in errno8. Ioctl()sSG_IOSG_GET_ACCESS_COUNTSG_SET_COMMAND_Q (and _GET_)SG_SET_DEBUGSG_EMULATED_HOSTSG_SET_KEEP_ORPHAN (and _GET_)SG_SET_FORCE_LOW_DMASG_GET_LOW_DMASG_NEXT_CMD_LENSG_GET_NUM_WAITINGSG_SET_FORCE_PACK_IDSG_GET_PACK_IDSG_GET_REQUEST_TABLESG_SET_RESERVED_SIZE (and _GET_ )SG_SCSI_RESETSG_GET_SCSI_IDSG_GET_SG_TABLESIZESG_GET_TIMEOUTSG_SET_TIMEOUTSG_SET_TRANSFORMSG_GET_TRANSFORMSg ioctls removed in version 3SCSI_IOCTL_GET_IDLUNSCSI_IOCTL_GET_PCISCSI_IOCTL_PROBE_HOSTSCSI_IOCTL_SEND_COMMAND9. Direct and Mmap-ed IODirect IOMmap-ed IO