scsi_netlink_exit – Called by SCSI subsystem to disable the SCSI transport netlink interface Synopsis void scsi_netlink_exit(void); Arguments void no arguments Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_mode_sense – issue a mode sense, falling back from 10 to six bytes if necessary. Synopsis int scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage, unsigned char *buffer, int len, int timeout, int retries, struct scsi_mode_data *data, struct scsi_sense_hdr *sshdr); Arguments sdev SCSI device to be queried dbd set if mode sense will allow block descriptors…
scsi_mode_select – issue a mode select Synopsis int scsi_mode_select(struct scsi_device *sdev, int pf, int sp, int modepage, unsigned char *buffer, int len, int timeout, int retries, struct scsi_mode_data *data, struct scsi_sense_hdr *sshdr); Arguments sdev SCSI device to be queried pf Page format bit (1 == standard, 0 == vendor specific) sp Save page bit (0…
scsi_kunmap_atomic_sg – atomically unmap a virtual address, previously mapped with scsi_kmap_atomic_sg Synopsis void scsi_kunmap_atomic_sg(void *virt); Arguments virt virtual address to be unmapped Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
scsi_kmap_atomic_sg – find and atomically map an sg-elemnt Synopsis void *scsi_kmap_atomic_sg(struct scatterlist *sgl, int sg_count, size_t *offset, size_t *len); Arguments sgl scatter-gather list sg_count number of segments in sg offset offset in bytes into sg, on return offset into the mapped area len bytes to map, on return number of bytes mapped Description Returns virtual…
scsi_is_sas_rphy – check if a struct device represents a SAS remote PHY Synopsis int scsi_is_sas_rphy(const struct device *dev); Arguments dev device to check Return 1 if the device represents a SAS remote PHY, 0 else Authors James Bottomley <James.Bottomley [at] hansenpartnership.com> Author. Rob Landley <rob [at] landley.net> Author. Copyright
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…