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239 lines
7.6 KiB
239 lines
7.6 KiB
config CCW
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bool
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default y
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source "drivers/block/Kconfig"
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source "drivers/md/Kconfig"
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menu "Character device drivers"
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config UNIX98_PTYS
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bool "Unix98 PTY support"
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---help---
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A pseudo terminal (PTY) is a software device consisting of two
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halves: a master and a slave. The slave device behaves identical to
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a physical terminal; the master device is used by a process to
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read data from and write data to the slave, thereby emulating a
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terminal. Typical programs for the master side are telnet servers
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and xterms.
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Linux has traditionally used the BSD-like names /dev/ptyxx for
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masters and /dev/ttyxx for slaves of pseudo terminals. This scheme
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has a number of problems. The GNU C library glibc 2.1 and later,
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however, supports the Unix98 naming standard: in order to acquire a
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pseudo terminal, a process opens /dev/ptmx; the number of the pseudo
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terminal is then made available to the process and the pseudo
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terminal slave can be accessed as /dev/pts/<number>. What was
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traditionally /dev/ttyp2 will then be /dev/pts/2, for example.
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The entries in /dev/pts/ are created on the fly by a virtual
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file system; therefore, if you say Y here you should say Y to
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"/dev/pts file system for Unix98 PTYs" as well.
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If you want to say Y here, you need to have the C library glibc 2.1
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or later (equal to libc-6.1, check with "ls -l /lib/libc.so.*").
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Read the instructions in <file:Documentation/Changes> pertaining to
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pseudo terminals. It's safe to say N.
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config UNIX98_PTY_COUNT
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int "Maximum number of Unix98 PTYs in use (0-2048)"
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depends on UNIX98_PTYS
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default "256"
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help
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The maximum number of Unix98 PTYs that can be used at any one time.
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The default is 256, and should be enough for desktop systems. Server
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machines which support incoming telnet/rlogin/ssh connections and/or
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serve several X terminals may want to increase this: every incoming
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connection and every xterm uses up one PTY.
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When not in use, each additional set of 256 PTYs occupy
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approximately 8 KB of kernel memory on 32-bit architectures.
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config HANGCHECK_TIMER
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tristate "Hangcheck timer"
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help
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The hangcheck-timer module detects when the system has gone
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out to lunch past a certain margin. It can reboot the system
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or merely print a warning.
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source "drivers/char/watchdog/Kconfig"
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comment "S/390 character device drivers"
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config TN3270
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tristate "Support for locally attached 3270 terminals"
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help
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Include support for IBM 3270 terminals.
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config TN3270_TTY
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tristate "Support for tty input/output on 3270 terminals"
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depends on TN3270
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help
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Include support for using an IBM 3270 terminal as a Linux tty.
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config TN3270_FS
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tristate "Support for fullscreen applications on 3270 terminals"
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depends on TN3270
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help
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Include support for fullscreen applications on an IBM 3270 terminal.
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config TN3270_CONSOLE
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bool "Support for console on 3270 terminal"
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depends on TN3270=y && TN3270_TTY=y
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help
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Include support for using an IBM 3270 terminal as a Linux system
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console. Available only if 3270 support is compiled in statically.
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config TN3215
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bool "Support for 3215 line mode terminal"
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help
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Include support for IBM 3215 line-mode terminals.
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config TN3215_CONSOLE
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bool "Support for console on 3215 line mode terminal"
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depends on TN3215
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help
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Include support for using an IBM 3215 line-mode terminal as a
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Linux system console.
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config CCW_CONSOLE
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bool
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depends on TN3215_CONSOLE || TN3270_CONSOLE
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default y
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config SCLP_TTY
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bool "Support for SCLP line mode terminal"
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help
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Include support for IBM SCLP line-mode terminals.
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config SCLP_CONSOLE
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bool "Support for console on SCLP line mode terminal"
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depends on SCLP_TTY
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help
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Include support for using an IBM HWC line-mode terminal as the Linux
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system console.
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config SCLP_VT220_TTY
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bool "Support for SCLP VT220-compatible terminal"
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help
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Include support for an IBM SCLP VT220-compatible terminal.
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config SCLP_VT220_CONSOLE
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bool "Support for console on SCLP VT220-compatible terminal"
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depends on SCLP_VT220_TTY
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help
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Include support for using an IBM SCLP VT220-compatible terminal as a
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Linux system console.
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config SCLP_CPI
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tristate "Control-Program Identification"
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help
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This option enables the hardware console interface for system
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identification. This is commonly used for workload management and
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gives you a nice name for the system on the service element.
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Please select this option as a module since built-in operation is
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completely untested.
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You should only select this option if you know what you are doing,
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need this feature and intend to run your kernel in LPAR.
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config S390_TAPE
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tristate "S/390 tape device support"
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help
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Select this option if you want to access channel-attached tape
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devices on IBM S/390 or zSeries.
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If you select this option you will also want to select at
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least one of the tape interface options and one of the tape
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hardware options in order to access a tape device.
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This option is also available as a module. The module will be
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called tape390 and include all selected interfaces and
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hardware drivers.
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comment "S/390 tape interface support"
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depends on S390_TAPE
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config S390_TAPE_BLOCK
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bool "Support for tape block devices"
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depends on S390_TAPE
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help
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Select this option if you want to access your channel-attached tape
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devices using the block device interface. This interface is similar
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to CD-ROM devices on other platforms. The tapes can only be
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accessed read-only when using this interface. Have a look at
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<file:Documentation/s390/TAPE> for further information about creating
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volumes for and using this interface. It is safe to say "Y" here.
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comment "S/390 tape hardware support"
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depends on S390_TAPE
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config S390_TAPE_34XX
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tristate "Support for 3480/3490 tape hardware"
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depends on S390_TAPE
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help
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Select this option if you want to access IBM 3480/3490 magnetic
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tape subsystems and 100% compatibles.
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It is safe to say "Y" here.
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config S390_TAPE_3590
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tristate "Support for 3590 tape hardware"
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depends on S390_TAPE
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help
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Select this option if you want to access IBM 3590 magnetic
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tape subsystems and 100% compatibles.
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It is safe to say "Y" here.
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config VMLOGRDR
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tristate "Support for the z/VM recording system services (VM only)"
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depends on IUCV
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help
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Select this option if you want to be able to receive records collected
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by the z/VM recording system services, eg. from *LOGREC, *ACCOUNT or
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*SYMPTOM.
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This driver depends on the IUCV support driver.
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config VMCP
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tristate "Support for the z/VM CP interface (VM only)"
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help
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Select this option if you want to be able to interact with the control
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program on z/VM
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config MONREADER
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tristate "API for reading z/VM monitor service records"
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depends on IUCV
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help
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Character device driver for reading z/VM monitor service records
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config MONWRITER
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tristate "API for writing z/VM monitor service records"
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default "m"
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help
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Character device driver for writing z/VM monitor service records
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endmenu
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menu "Cryptographic devices"
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config ZCRYPT
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tristate "Support for PCI-attached cryptographic adapters"
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select ZCRYPT_MONOLITHIC if ZCRYPT="y"
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default "m"
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help
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Select this option if you want to use a PCI-attached cryptographic
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adapter like:
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+ PCI Cryptographic Accelerator (PCICA)
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+ PCI Cryptographic Coprocessor (PCICC)
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+ PCI-X Cryptographic Coprocessor (PCIXCC)
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+ Crypto Express2 Coprocessor (CEX2C)
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+ Crypto Express2 Accelerator (CEX2A)
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config ZCRYPT_MONOLITHIC
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bool "Monolithic zcrypt module"
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depends on ZCRYPT="m"
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help
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Select this option if you want to have a single module z90crypt.ko
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that contains all parts of the crypto device driver (ap bus,
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request router and all the card drivers).
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endmenu
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