config BLK_DEV_FD
tristate "Normal floppy disk support"
- depends on (!X86_PC9800 && !ARCH_S390 && !M68K && !IA64) || Q40 || (SUN3X && BROKEN)
+ depends on ARCH_MAY_HAVE_PC_FDC
---help---
If you want to use the floppy disk drive(s) of your PC under Linux,
say Y. Information about this driver, especially important for IBM
tristate "Atari floppy support"
depends on ATARI
-config BLK_DEV_FD98
- tristate "NEC PC-9800 floppy disk support"
- depends on X86_PC9800
- ---help---
- If you want to use the floppy disk drive(s) of NEC PC-9801/PC-9821,
- say Y.
-
config BLK_DEV_SWIM_IOP
bool "Macintosh IIfx/Quadra 900/Quadra 950 floppy support (EXPERIMENTAL)"
depends on MAC && EXPERIMENTAL && BROKEN
Say Y here to support the SWIM (Super Woz Integrated Machine) IOP
floppy controller on the Macintosh IIfx and Quadra 900/950.
+config MAC_FLOPPY
+ tristate "Support for PowerMac floppy"
+ depends on PPC_PMAC && !PPC_PMAC64
+ help
+ If you have a SWIM-3 (Super Woz Integrated Machine 3; from Apple)
+ floppy controller, say Y here. Most commonly found in PowerMacs.
+
config BLK_DEV_PS2
tristate "PS/2 ESDI hard disk support"
- depends on MCA && MCA_LEGACY
+ depends on MCA && MCA_LEGACY && BROKEN
help
Say Y here if you have a PS/2 machine with a MCA bus and an ESDI
hard disk.
config BLK_DEV_XD
tristate "XT hard disk support"
- depends on ISA
+ depends on ISA && ISA_DMA_API
help
Very old 8 bit hard disk controllers used in the IBM XT computer
will be supported if you say Y here.
config PARIDE
tristate "Parallel port IDE device support"
- depends on PARPORT
+ depends on PARPORT_PC
---help---
There are many external CD-ROM and disk devices that connect through
your computer's parallel port. Most of them are actually IDE devices
config CISS_SCSI_TAPE
bool "SCSI tape drive support for Smart Array 5xxx"
- depends on BLK_CPQ_CISS_DA && SCSI
+ depends on BLK_CPQ_CISS_DA && SCSI && PROC_FS
help
When enabled (Y), this option allows SCSI tape drives and SCSI medium
changers (tape robots) to be accessed via a Compaq 5xxx array
- controller. (See Documentation/cciss.txt for more details.)
+ controller. (See <file:Documentation/cciss.txt> for more details.)
"SCSI support" and "SCSI tape support" must also be enabled for this
option to work.
---help---
Saying Y here will include support for the MM5415 family of
battery backed (Non-volatile) RAM cards.
- http://www.umem.com/
+ <http://www.umem.com/>
The cards appear as block devices that can be partitioned into
as many as 15 partitions.
one is chosen dynamically. Use "devfs" or look in /proc/devices
for the device number
+config BLK_DEV_UBD
+ bool "Virtual block device"
+ depends on UML
+ ---help---
+ The User-Mode Linux port includes a driver called UBD which will let
+ you access arbitrary files on the host computer as block devices.
+ Unless you know that you do not need such virtual block devices say
+ Y here.
+
+config BLK_DEV_UBD_SYNC
+ bool "Always do synchronous disk IO for UBD"
+ depends on BLK_DEV_UBD
+ ---help---
+ Writes to the virtual block device are not immediately written to the
+ host's disk; this may cause problems if, for example, the User-Mode
+ Linux 'Virtual Machine' uses a journalling filesystem and the host
+ computer crashes.
+
+ Synchronous operation (i.e. always writing data to the host's disk
+ immediately) is configurable on a per-UBD basis by using a special
+ kernel command line option. Alternatively, you can say Y here to
+ turn on synchronous operation by default for all block devices.
+
+ If you're running a journalling file system (like reiserfs, for
+ example) in your virtual machine, you will want to say Y here. If
+ you care for the safety of the data in your virtual machine, Y is a
+ wise choice too. In all other cases (for example, if you're just
+ playing around with User-Mode Linux) you can choose N.
+
+config BLK_DEV_COW_COMMON
+ bool
+ default BLK_DEV_UBD
+
+config MMAPPER
+ tristate "Example IO memory driver (BROKEN)"
+ depends on UML && BROKEN
+ ---help---
+ The User-Mode Linux port can provide support for IO Memory
+ emulation with this option. This allows a host file to be
+ specified as an I/O region on the kernel command line. That file
+ will be mapped into UML's kernel address space where a driver can
+ locate it and do whatever it wants with the memory, including
+ providing an interface to it for UML processes to use.
+
+ For more information, see
+ <http://user-mode-linux.sourceforge.net/iomem.html>.
+
+ If you'd like to be able to provide a simulated IO port space for
+ User-Mode Linux processes, say Y. If unsure, say N.
+
config BLK_DEV_LOOP
tristate "Loopback device support"
---help---
instead, which can be configured to be on-disk compatible with the
cryptoloop device.
+config BLK_DEV_VROOT
+ tristate "Virtual Root device support"
+ depends on QUOTACTL
+ ---help---
+ Saying Y here will allow you to use quota/fs ioctls on a shared
+ partition within a virtual server without compromising security.
+
config BLK_DEV_NBD
tristate "Network block device support"
depends on NET
If unsure, say N.
-config BLK_DEV_CARMEL
- tristate "Promise SATA SX8 (carmel) support"
+config BLK_DEV_SX8
+ tristate "Promise SATA SX8 support"
depends on PCI
---help---
Saying Y or M here will enable support for the
- Promise SATA SX8 ("carmel") controllers.
+ Promise SATA SX8 controllers.
+
+ Use devices /dev/sx8/$N and /dev/sx8/$Np$M.
+
+config BLK_DEV_UB
+ tristate "Low Performance USB Block driver"
+ depends on USB
+ help
+ This driver supports certain USB attached storage devices
+ such as flash keys.
+
+ If you enable this driver, it is recommended to avoid conflicts
+ with usb-storage by enabling USB_LIBUSUAL.
- Use devices /dev/carmel/$N and /dev/carmel/$Np$M.
+ If unsure, say N.
config BLK_DEV_RAM
tristate "RAM disk support"
Most normal users won't need the RAM disk functionality, and can
thus say N here.
+config BLK_DEV_RAM_COUNT
+ int "Default number of RAM disks"
+ default "16"
+ depends on BLK_DEV_RAM
+ help
+ The default value is 16 RAM disks. Change this if you know what
+ are doing. If you boot from a filesystem that needs to be extracted
+ in memory, you will need at least one RAM disk (e.g. root on cramfs).
+
config BLK_DEV_RAM_SIZE
int "Default RAM disk size (kbytes)"
depends on BLK_DEV_RAM
8192.
config BLK_DEV_INITRD
- bool "Initial RAM disk (initrd) support"
- depends on BLK_DEV_RAM=y
+ bool "Initial RAM filesystem and RAM disk (initramfs/initrd) support"
+ help
+ The initial RAM filesystem is a ramfs which is loaded by the
+ boot loader (loadlin or lilo) and that is mounted as root
+ before the normal boot procedure. It is typically used to
+ load modules needed to mount the "real" root file system,
+ etc. See <file:Documentation/initrd.txt> for details.
+
+ If RAM disk support (BLK_DEV_RAM) is also included, this
+ also enables initial RAM disk (initrd) support.
+
+
+config CDROM_PKTCDVD
+ tristate "Packet writing on CD/DVD media"
+ depends on !UML
help
- The initial RAM disk is a RAM disk that is loaded by the boot loader
- (loadlin or lilo) and that is mounted as root before the normal boot
- procedure. It is typically used to load modules needed to mount the
- "real" root file system, etc. See <file:Documentation/initrd.txt>
- for details.
-
-config LBD
- bool "Support for Large Block Devices"
- depends on X86 || MIPS32 || PPC32 || ARCH_S390_31 || SUPERH
+ If you have a CDROM drive that supports packet writing, say Y to
+ include preliminary support. It should work with any MMC/Mt Fuji
+ compliant ATAPI or SCSI drive, which is just about any newer CD
+ writer.
+
+ Currently only writing to CD-RW, DVD-RW and DVD+RW discs is possible.
+ DVD-RW disks must be in restricted overwrite mode.
+
+ To compile this driver as a module, choose M here: the
+ module will be called pktcdvd.
+
+config CDROM_PKTCDVD_BUFFERS
+ int "Free buffers for data gathering"
+ depends on CDROM_PKTCDVD
+ default "8"
help
- Say Y here if you want to attach large (bigger than 2TB) discs to
- your machine, or if you want to have a raid or loopback device
- bigger than 2TB. Otherwise say N.
+ This controls the maximum number of active concurrent packets. More
+ concurrent packets can increase write performance, but also require
+ more memory. Each concurrent packet will require approximately 64Kb
+ of non-swappable kernel memory, memory which will be allocated when
+ a disc is opened for writing.
+
+config CDROM_PKTCDVD_WCACHE
+ bool "Enable write caching (EXPERIMENTAL)"
+ depends on CDROM_PKTCDVD && EXPERIMENTAL
+ help
+ If enabled, write caching will be set for the CD-R/W device. For now
+ this option is dangerous unless the CD-RW media is known good, as we
+ don't do deferred write error handling yet.
source "drivers/s390/block/Kconfig"
+config ATA_OVER_ETH
+ tristate "ATA over Ethernet support"
+ depends on NET
+ help
+ This driver provides Support for ATA over Ethernet block
+ devices like the Coraid EtherDrive (R) Storage Blade.
+
endmenu
git://git.onelab.eu / linux-2.6.git / blobdiff