The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
scsi_test_unit_ready – test if unit is ready Synopsis int scsi_test_unit_ready(struct scsi_device *sdev, int timeout, int retries, struct scsi_sense_hdr *sshdr_external); Arguments sdev scsi device to change the state of. timeout command timeout retries number of retries before failing sshdr_external Optional pointer to struct scsi_sense_hdr for returning sense. Make sure that this is cleared before passing in….
scsi_target_reap_ref_release – remove target from visibility Synopsis void scsi_target_reap_ref_release(struct kref *kref); Arguments kref the reap_ref in the target being released Description Called on last put of reap_ref, which is the indication that no device under this target is visible anymore, so render the target invisible in sysfs. Note: we have to be in user context…
scsi_target_reap – check to see if target is in use and destroy if not Synopsis void scsi_target_reap(struct scsi_target *starget); Arguments starget target to be checked Description This is used after removing a LUN or doing a last put of the target it checks atomically that nothing is using the target and removes it if so….
scsi_sequential_lun_scan – sequentially scan a SCSI target Synopsis void scsi_sequential_lun_scan(struct scsi_target *starget, int bflags, int scsi_level, enum scsi_scan_mode rescan); Arguments starget pointer to target structure to scan bflags black/white list flag for LUN 0 scsi_level Which version of the standard does this device adhere to rescan passed to scsi_probe_add_lun Description Generally, scan from LUN 1…
scsi_schedule_eh – schedule EH for SCSI host Synopsis void scsi_schedule_eh(struct Scsi_Host *shost); Arguments shost SCSI host to invoke error handling on. Description Schedule SCSI EH without scmd. Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_report_opcode – Find out if a given command opcode is supported Synopsis int scsi_report_opcode(struct scsi_device *sdev, unsigned char *buffer, unsigned int len, unsigned char opcode); Arguments sdev scsi device to query buffer scratch buffer (must be at least 20 bytes long) len length of buffer opcode opcode for command to look up Description Uses the…
scsi_report_lun_scan – Scan using SCSI REPORT LUN results Synopsis int scsi_report_lun_scan(struct scsi_target *starget, int bflags, enum scsi_scan_mode rescan); Arguments starget which target bflags Zero or a mix of BLIST_NOLUN, BLIST_REPORTLUN2, or BLIST_NOREPORTLUN rescan nonzero if we can skip code only needed on first scan Description Fast scanning for modern (SCSI-3) devices by sending a REPORT…
scsi_remove_target – try to remove a target and all its devices Synopsis void scsi_remove_target(struct device *dev); Arguments dev generic starget or parent of generic stargets to be removed Note This is slightly racy. It is possible that if the user requests the addition of another device then the target won’t be removed. Authors James Bottomley…
scsi_remove_single_device – Respond to user request to remove a device Synopsis int scsi_remove_single_device(uint host, uint channel, uint id, uint lun); Arguments host user-supplied decimal integer channel user-supplied decimal integer id user-supplied decimal integer lun user-supplied decimal integer Description called by writing “scsi remove-single-device” to /proc/scsi/scsi. Does a scsi_device_lookup and scsi_remove_device Authors James Bottomley <James.Bottomley [at]…
scsi_remove_host – remove a scsi host Synopsis void scsi_remove_host(struct Scsi_Host *shost); Arguments shost a pointer to a scsi host to remove Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_remove_device – unregister a device from the scsi bus Synopsis void scsi_remove_device(struct scsi_device *sdev); Arguments sdev scsi_device to unregister Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_queue_work – Queue work to the Scsi_Host workqueue. Synopsis int scsi_queue_work(struct Scsi_Host *shost, struct work_struct *work); Arguments shost Pointer to Scsi_Host. work Work to queue for execution. Description Return value: 1 – work queued for execution 0 – work is already queued -EINVAL – work queue doesn’t exist Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author….
scsi_proc_hostdir_rm – remove directory in /proc for a scsi host Synopsis void scsi_proc_hostdir_rm(struct scsi_host_template *sht); Arguments sht owner of directory Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_proc_hostdir_add – Create directory in /proc for a scsi host Synopsis void scsi_proc_hostdir_add(struct scsi_host_template *sht); Arguments sht owner of this directory Description Sets sht->proc_dir to the new directory. Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_proc_host_rm – remove this host’s entry from /proc Synopsis void scsi_proc_host_rm(struct Scsi_Host *shost); Arguments shost which host Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_proc_host_add – Add entry for this host to appropriate /proc dir Synopsis void scsi_proc_host_add(struct Scsi_Host *shost); Arguments shost host to add Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_probe_lun – probe a single LUN using a SCSI INQUIRY Synopsis int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result, int result_len, int *bflags); Arguments sdev scsi_device to probe inq_result area to store the INQUIRY result result_len len of inq_result bflags store any bflags found here Description Probe the lun associated with req using a standard SCSI…
scsi_probe_and_add_lun – probe a LUN, if a LUN is found add it Synopsis int scsi_probe_and_add_lun(struct scsi_target *starget, u64 lun, int *bflagsp, struct scsi_device **sdevp, enum scsi_scan_mode rescan, void *hostdata); Arguments starget pointer to target device structure lun LUN of target device bflagsp store bflags here if not NULL sdevp probe the LUN corresponding to this…
scsi_prep_async_scan – prepare for an async scan Synopsis struct async_scan_data *scsi_prep_async_scan(struct Scsi_Host *shost); Arguments shost the host which will be scanned Return a cookie to be passed to scsi_finish_async_scan Tells the midlayer this host is going to do an asynchronous scan. It reserves the host’s position in the scanning list and ensures that other asynchronous…
scsi_partsize – Parse cylinders/heads/sectors from PC partition table Synopsis int scsi_partsize(unsigned char *buf, unsigned long capacity, unsigned int *cyls, unsigned int *hds, unsigned int *secs); Arguments buf partition table, see scsi_bios_ptable capacity size of the disk in sectors cyls put cylinders here hds put heads here secs put sectors here Description determine the BIOS mapping/geometry…