[Xen-devel] [PATCH 2 of 3 DOCDAY] docs: add some missing options to misc/xen-command-line.markdown

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1332778199 -3600
# Node ID f51f30290b2fb4a63a8d4b9e65bc26a2ba73ff2a
# Parent  a09fd3911dc9b659bba7ad4070a0dfb234532359
docs: add some missing options to misc/xen-command-line.markdown

These were mostly ones from xen/arch/x86/boot/cmdline.S which are handled early
and therefore do not use the usual infrastructure and so got missed in the
initial trawl.

The document now contains (AFAICT) every still valid option which was
previously documented at:
http://wiki.xen.org/wiki?title=Xen_Hypervisor_Boot_Options&oldid=1379

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

diff -r a09fd3911dc9 -r f51f30290b2f docs/misc/xen-command-line.markdown
--- a/docs/misc/xen-command-line.markdown       Mon Mar 26 17:09:40 2012 +0100
+++ b/docs/misc/xen-command-line.markdown       Mon Mar 26 17:09:59 2012 +0100
@@ -96,6 +96,10 @@ from the MP tables.
 Finally, any of the boolean false options can be used to disable ACPI
 usage entirely.
 
+Because responsiblity for ACPI processing is shared between Xen and
+the domain 0 kernel this option is automatically propagated to the
+domain 0 command line
+
 ### acpi\_apic\_instance
 > `= <integer>`
 
@@ -103,7 +107,15 @@ Specify which ACPI MADT table to parse f
 than one is present.
 
 ### acpi\_pstate\_strict
+
 ### acpi\_skip\_timer\_override
+
+Instruct Xen to ignore timer-interrupt override.
+
+Because responsiblity for ACPI processing is shared between Xen and
+the domain 0 kernel this option is automatically propagated to the
+domain 0 command line
+
 ### acpi\_sleep
 ### additional\_cpus
 ### allowsuperpage
@@ -300,8 +312,26 @@ Pin dom0 vcpus to their respective pcpus
 ### dom\_rid\_bits
 ### e820-mtrr-clip
 ### e820-verbose
+
+### edd (x86)
+> `= off | on | skipmbr`
+
+Control retrieval of Extended Disc Data (EDD) from the BIOS during
+boot.
+
+### edid (x86)
+> `= no | force`
+
+Either force retrieval of monitor EDID information via VESA DDC, or
+disable it (edid=no). This option should not normally be required
+except for debugging purposes.
+
 ### efi\_print
 ### extra\_guest\_irqs
+> `= <number>`
+
+Increase the number of PIRQs available for the guest. The default is 32. 
+
 ### flask\_enabled
 ### flask\_enforcing
 ### font
@@ -381,6 +411,15 @@ Specify what Xen should do in the event 
 dom0, while 'fatal' causes Xen to print diagnostics and then hang.
 
 ### noapic
+
+Instruct Xen to ignore any IOAPICs that are present in the system, and
+instead continue to use the legacy PIC. This is _not_ recommended with
+pvops type kernels.
+
+Because responsiblity for APIC setup is shared between Xen and the
+domain 0 kernel this option is automatically propagated to the domain
+0 command line.
+
 ### nofxsr
 ### noirqbalance
 > `= <boolean>`
@@ -394,6 +433,12 @@ IRQ routing issues.
 Ignore the local APIC on a uniprocessor system, even if enabled by the
 BIOS.  This option will accept value.
 
+### no-real-mode (x86)
+
+Do not execute real-mode bootstrap code when booting Xen. This option
+should not be used except for debugging. It will effectively disable
+the vga option, which relies on real mode to set the video mode.
+
 ### noreboot
 > `= <boolean>`
 

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