| Date | Mon, 30 Jun 2008 00:07:17 +0900 | Subject | Re: [PATCH 34/34] AMD IOMMU: add documentation for kernel parameters | From | FUJITA Tomonori <> |
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On Thu, 26 Jun 2008 21:28:10 +0200 Joerg Roedel <joerg.roedel@amd.com> wrote:
> Add documentation for the kernel parameters introduced with this driver. > > Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> > --- > Documentation/kernel-parameters.txt | 12 ++++++++++++ > 1 files changed, 12 insertions(+), 0 deletions(-) > > diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt > index e07c432..fc8f936 100644 > --- a/Documentation/kernel-parameters.txt > +++ b/Documentation/kernel-parameters.txt > @@ -271,6 +271,18 @@ and is between 256 and 4096 characters. It is defined in the file > aic79xx= [HW,SCSI] > See Documentation/scsi/aic79xx.txt. > > + amd_iommu= [HW,X86-84] > + Pass parameters to the AMD IOMMU driver in the system. > + Possible values are: > + off - disable the driver for AMD IOMMU > + isolate - enable device isolation (each device, as far > + as possible, will get its own protection > + domain) > + amd_iommu_size= [HW,X86-64] > + Define the size of the aperture for the AMD IOMMU > + driver. Possible values are: > + '32M', '64M' (default), '128M', '256M', '512M', '1G' > + > amijoy.map= [HW,JOY] Amiga joystick support > Map of devices attached to JOY0DAT and JOY1DAT > Format: <a>,<b>
Documentation/x86_64/boot-options.txt would be a better place?
Probabaly, it would be better to clean up x86_64 IOMMU options.
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