Block driver using virtio.

[linux-2.6-omap-h63xx.git] / drivers / block / Kconfig

diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 8f65b88cf7113bdcf0c29b67cdabc93c36091fc4..4d0119ea9e351ce1a4d302b810fe3b709b3c713c 100644 (file)
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -6,6 +6,12 @@ menuconfig BLK_DEV
        bool "Block devices"
        depends on BLOCK
        default y
+       ---help---
+         Say Y here to get to see options for various different block device
+         drivers. This option alone does not add any kernel code.
+
+         If you say N, all options in this submenu will be skipped and disabled;
+         only do this if you know what you are doing.
 
 if BLK_DEV
 
@@ -62,6 +68,7 @@ config AMIGA_Z2RAM
 config BLK_DEV_XD
        tristate "XT hard disk support"
        depends on ISA && ISA_DMA_API
+       select CHECK_SIGNATURE
        help
          Very old 8 bit hard disk controllers used in the IBM XT computer
          will be supported if you say Y here.
@@ -197,23 +204,6 @@ 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---
@@ -344,7 +334,7 @@ config BLK_DEV_RAM_COUNT
        default "16"
        depends on BLK_DEV_RAM
        help
-         The default value is 16 RAM disks. Change this if you know what
+         The default value is 16 RAM disks. Change this if you know what you
          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).
 
@@ -354,8 +344,7 @@ config BLK_DEV_RAM_SIZE
        default "4096"
        help
          The default value is 4096 kilobytes. Only change this if you know
-         what are you doing. If you are using IBM S/390, then set this to
-         8192.
+         what you are doing.
 
 config BLK_DEV_RAM_BLOCKSIZE
        int "Default RAM disk block size (bytes)"
@@ -427,4 +416,19 @@ config XILINX_SYSACE
        help
          Include support for the Xilinx SystemACE CompactFlash interface
 
+config XEN_BLKDEV_FRONTEND
+       tristate "Xen virtual block device support"
+       depends on XEN
+       default y
+       help
+         This driver implements the front-end of the Xen virtual
+         block device driver.  It communicates with a back-end driver
+         in another domain which drives the actual block device.
+
+config VIRTIO_BLK
+       tristate "Virtio block driver (EXPERIMENTAL)"
+       depends on EXPERIMENTAL && VIRTIO
+       ---help---
+         This is the virtual block driver for lguest.  Say Y or M.
+
 endif # BLK_DEV