scsi_is_sas_port – check if a struct device represents a SAS port Synopsis int scsi_is_sas_port(const struct device *dev); Arguments dev device to check Return 1 if the device represents a SAS Port, 0 else Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_is_sas_phy – check if a struct device represents a SAS PHY Synopsis int scsi_is_sas_phy(const struct device *dev); Arguments dev device to check Return 1 if the device represents a SAS PHY, 0 else Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_ioctl_reset – Synopsis int scsi_ioctl_reset(struct scsi_device *dev, int __user *arg); Arguments dev scsi_device to operate on arg reset type (see sg.h) Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_ioctl – Dispatch ioctl to scsi device Synopsis int scsi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg); Arguments sdev scsi device receiving ioctl cmd which ioctl is it arg data associated with ioctl Description The scsi_ioctl function differs from most ioctls in that it does not take a major/minor number as the dev field. Rather,…
scsi_internal_device_unblock – resume a device after a block request Synopsis int scsi_internal_device_unblock(struct scsi_device *sdev, enum scsi_device_state new_state); Arguments sdev device to resume new_state state to set devices to after unblocking Description Called by scsi lld’s or the midlayer to restart the device queue for the previously suspended scsi device. Called from interrupt or normal process…
scsi_internal_device_block – internal function to put a device temporarily into the SDEV_BLOCK state Synopsis int scsi_internal_device_block(struct scsi_device *sdev); Arguments sdev device to block Description Block request made by scsi lld’s to temporarily stop all scsi commands on the specified device. Called from interrupt or normal process context. Returns zero if successful or error if not…
scsi_inq_str – print INQUIRY data from min to max index, strip trailing whitespace Synopsis unsigned char *scsi_inq_str(unsigned char *buf, unsigned char *inq, unsigned first, unsigned end); Arguments buf Output buffer with at least end-first+1 bytes of space inq Inquiry buffer (input) first Offset of string into inq end Index after last character in inq Authors…
scsi_init_procfs – create scsi and scsi/scsi in procfs Synopsis int scsi_init_procfs(void); Arguments void no arguments Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_init_devinfo – set up the dynamic device list. Synopsis int scsi_init_devinfo(void); Arguments void no arguments Description Add command line entries from scsi_dev_flags, then add scsi_static_device_list entries to the scsi device info list. Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_host_set_state – Take the given host through the host state model. Synopsis int scsi_host_set_state(struct Scsi_Host *shost, enum scsi_host_state state); Arguments shost scsi host to change the state of. state state to change to. Description Returns zero if unsuccessful or an error if the requested transition is illegal. Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob…
scsi_host_put – dec a Scsi_Host ref count Synopsis void scsi_host_put(struct Scsi_Host *shost); Arguments shost Pointer to Scsi_Host to dec. Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_host_lookup – get a reference to a Scsi_Host by host no Synopsis struct Scsi_Host *scsi_host_lookup(unsigned short hostnum); Arguments hostnum host number to locate Description Return value: A pointer to located Scsi_Host or NULL. The caller must do a scsi_host_put to drop the reference that scsi_host_get took. The put_device below dropped the reference from class_find_device. Authors…
scsi_host_get – inc a Scsi_Host ref count Synopsis struct Scsi_Host *scsi_host_get(struct Scsi_Host *shost); Arguments shost Pointer to Scsi_Host to inc. Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_host_alloc – register a scsi host adapter instance. Synopsis struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize); Arguments sht pointer to scsi host template privsize extra bytes to allocate for driver Note Allocate a new Scsi_Host and perform basic initialization. The host is not published to the scsi midlayer until scsi_add_host is called. Return value: Pointer…
scsi_get_vpd_page – Get Vital Product Data from a SCSI device Synopsis int scsi_get_vpd_page(struct scsi_device *sdev, u8 page, unsigned char *buf, int buf_len); Arguments sdev The device to ask page Which Vital Product Data to return buf where to store the VPD buf_len number of bytes in the VPD buffer area Description SCSI devices may optionally…
scsi_get_sense_info_fld – get information field from sense data (either fixed or descriptor format) Synopsis int scsi_get_sense_info_fld(const u8 *sense_buffer, int sb_len, u64 *info_out); Arguments sense_buffer byte array of sense data sb_len number of valid bytes in sense_buffer info_out pointer to 64 integer where 8 or 4 byte information field will be placed if found. Description Return…
scsi_get_device_flags – get device specific flags from the dynamic device list. Synopsis int scsi_get_device_flags(struct scsi_device *sdev, const unsigned char *vendor, const unsigned char *model); Arguments sdev scsi_device to get flags for vendor vendor name model model name Description Search the global scsi_dev_info_list (specified by list zero) for an entry matching vendor and model, if found,…
scsi_flush_work – Flush a Scsi_Host’s workqueue. Synopsis void scsi_flush_work(struct Scsi_Host *shost); Arguments shost Pointer to Scsi_Host. Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_finish_async_scan – asynchronous scan has finished Synopsis void scsi_finish_async_scan(struct async_scan_data *data); Arguments data cookie returned from earlier call to scsi_prep_async_scan Description All the devices currently attached to this host have been found. This function announces all the devices it has found to the rest of the system. Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob…
scsi_exit_procfs – Remove scsi/scsi and scsi from procfs Synopsis void scsi_exit_procfs(void); Arguments void no arguments Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright