SysTutorials Posts

SNDRV_COMPRESS_IOCTL_VERSION – Synopsis SNDRV_COMPRESS_IOCTL_VERSION(void); Arguments None Description SNDRV_COMPRESS_GET_CAPS: Query capability of DSP SNDRV_COMPRESS_GET_CODEC_CAPS: Query capability of a codec SNDRV_COMPRESS_SET_PARAMS: Set codec and stream parameters Note only codec params can be changed runtime and stream params cant be SNDRV_COMPRESS_GET_PARAMS: Query codec params SNDRV_COMPRESS_TSTAMP: get the current timestamp value SNDRV_COMPRESS_AVAIL: get the current buffer avail value. This…

RIO_OP_WRITE – Generate rio_mport_write_config_* functions Synopsis RIO_OP_WRITE(size, type, len); Arguments size Size of configuration space write (8, 16, 32 bits) type C type of value argument len Length of configuration space write (1, 2, 4 bytes) Description Generates rio_mport_write_config_* functions used to access configuration space registers on the local device. Author Matt Porter <mporter [at]…

RIO_OP_READ – Generate rio_mport_read_config_* functions Synopsis RIO_OP_READ(size, type, len); Arguments size Size of configuration space read (8, 16, 32 bits) type C type of value argument len Length of configuration space read (1, 2, 4 bytes) Description Generates rio_mport_read_config_* functions used to access configuration space registers on the local device. Author Matt Porter <mporter [at]…

RIO_LOP_WRITE – Generate rio_local_write_config_* functions Synopsis RIO_LOP_WRITE(size, type, len); Arguments size Size of configuration space write (8, 16, 32 bits) type C type of value argument len Length of configuration space write (1, 2, 4 bytes) Description Generates rio_local_write_config_* functions used to access configuration space registers on the local device. Author Matt Porter <mporter [at]…

RIO_LOP_READ – Generate rio_local_read_config_* functions Synopsis RIO_LOP_READ(size, type, len); Arguments size Size of configuration space read (8, 16, 32 bits) type C type of value argument len Length of configuration space read (1, 2, 4 bytes) Description Generates rio_local_read_config_* functions used to access configuration space registers on the local device. Author Matt Porter <mporter [at]…

RIO_DEVICE – macro used to describe a specific RIO device Synopsis RIO_DEVICE(dev, ven); Arguments dev the 16 bit RIO device ID ven the 16 bit RIO vendor ID Description This macro is used to create a struct rio_device_id that matches a specific device. The assembly vendor and assembly device fields will be set to RIO_ANY_ID….

INIT_KFIFO – Initialize a fifo declared by DECLARE_KFIFO Synopsis INIT_KFIFO(fifo); Arguments fifo name of the declared fifo datatype Copyright

DEFINE_KFIFO – macro to define and initialize a fifo Synopsis DEFINE_KFIFO(fifo, type, size); Arguments fifo name of the declared fifo datatype type type of the fifo elements size the number of elements in the fifo, this must be a power of 2 Note the macro can be used for global and local fifo data type…

DECLARE_KFIFO_PTR – macro to declare a fifo pointer object Synopsis DECLARE_KFIFO_PTR(fifo, type); Arguments fifo name of the declared fifo type type of the fifo elements Copyright

DECLARE_KFIFO – macro to declare a fifo object Synopsis DECLARE_KFIFO(fifo, type, size); Arguments fifo name of the declared fifo type type of the fifo elements size the number of elements in the fifo, this must be a power of 2 Copyright

zramctl – set up and control zram devices Synopsis Get info: zramctl [options] Reset zram: zramctl -r zramdev… Print name of first unused zram device: zramctl -f Set up a zram device: zramctl [-f | zramdev] [-s size] [-t number] [-a algorithm] Description zramctl is used to quickly set up zram device parameters, to reset…

zos_selinux – Security Enhanced Linux Policy for the zos processes Description Security-Enhanced Linux secures the zos processes via flexible mandatory access control. Nsswitch Domain If you want to allow users to login using a sssd serve for the zos_remote_t, you must turn on the authlogin_nsswitch_use_ldap boolean. setsebool -P authlogin_nsswitch_use_ldap 1 If you want to allow…

zos_remote_selinux – Security Enhanced Linux Policy for the zos_remote processes Description Security-Enhanced Linux secures the zos_remote processes via flexible mandatory access control. The zos_remote processes execute with the zos_remote_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…

zoneserver – handle zone transfers and other TCP functions for MaraDNS Description zoneserver listens on port 53/tcp and handles DNS zone transfers and any DNS query done over TCP instead of UDP. zoneserver uses a configuration file, /etc/mararc by default, to determine its parameters. Usage zoneserver -f pointer_to_mararc_file Options -f Specifies the location of the…

zoneminder_selinux – Security Enhanced Linux Policy for the zoneminder processes Description Security-Enhanced Linux secures the zoneminder processes via flexible mandatory access control. The zoneminder processes execute with the zoneminder_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…

zoneminder_script_selinux – Security Enhanced Linux Policy for the zoneminder_script processes Description Security-Enhanced Linux secures the zoneminder_script processes via flexible mandatory access control. The zoneminder_script processes execute with the zoneminder_script_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…

zonec – NSD zone compiler version 3.2.4. Synopsis zonec [-v] [-h] [-C] [-L] [-F] [-c configfile] [-d directory] [-o origin] [-z zonefile] [-f database] Description Zonec is the nsd(8) database compiler for creating name space databases from a set of input master zone files specified in nsd.conf(5) file. It is normally invoked via nsdc(8) rebuild…

zic – timezone compiler Synopsis zic [ option … ] [ filename … ] Description The zic program reads text from the file(s) named on the command line and creates the time conversion information files specified in this input. If a filename is standard input is read. Options –version Output version information and exit. –help…

zerofree — zero free blocks from ext2, ext3 and ext4 file-systems Synopsis zerofree [-n] [-v] [-f fillval] filesystem Description zerofree finds the unallocated, blocks with non-zero value content in an ext2, ext3 or ext4 filesystem (e.g. /dev/hda1) and fills them with zeroes (or another octet of your choice).     Filling unused areas with zeroes…

zeppelin – ATM LAN Emulation client demon (LED) Zeppelin Synopsis zeppelin [-b ] [-c LECS_address | -s LES_address] [-e esi] [-n VLAN_name] [-m mesg_mask] [-l listen_address | selector] [-i interface_number] [-I physical_interface_number] [-t 1516|1580|4544|9234|18190] [-1 ] [-2 ] [-p ] [-F logfile] [-f Fore_specific_name] Description A LAN Emulation Client is an entity in an ATM endstation that performs data forwarding, address resolution and other control functions. It uses the LUNI interface when…