From 81a054ce0b469b66c88e9da6403082759c64bf73 Mon Sep 17 00:00:00 2001 From: Pawel Moll Date: Wed, 9 May 2012 18:30:16 +0100 Subject: virtio-mmio: Devices parameter parsing This patch adds an option to instantiate guest virtio-mmio devices basing on a kernel command line (or module) parameter, for example: virtio_mmio.devices=0x100@0x100b0000:48 Signed-off-by: Pawel Moll Signed-off-by: Rusty Russell --- Documentation/kernel-parameters.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'Documentation/kernel-parameters.txt') diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index c1601e5a8b7..8b350512f36 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -110,6 +110,7 @@ parameter is applicable: USB USB support is enabled. USBHID USB Human Interface Device support is enabled. V4L Video For Linux support is enabled. + VMMIO Driver for memory mapped virtio devices is enabled. VGA The VGA console has been enabled. VT Virtual terminal support is enabled. WDT Watchdog support is enabled. @@ -2847,6 +2848,22 @@ bytes respectively. Such letter suffixes can also be entirely omitted. video= [FB] Frame buffer configuration See Documentation/fb/modedb.txt. + virtio_mmio.device= + [VMMIO] Memory mapped virtio (platform) device. + + @:[:] + where: + := size (can use standard suffixes + like K, M and G) + := physical base address + := interrupt number (as passed to + request_irq()) + := (optional) platform device id + example: + virtio_mmio.device=1K@0x100b0000:48:7 + + Can be used multiple times for multiple devices. + vga= [BOOT,X86-32] Select a particular video mode See Documentation/x86/boot.txt and Documentation/svga.txt. -- cgit v1.2.3