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DateWed, 15 Mar 2006 00:03:06 +0100
FromPavel Machek <>
SubjectRe: [PATCH RFC 2/3] x86-64: Calgary IOMMU - Calgary specific bits
Hi!

> +union tce_entry {
> + u64 te_word;
> + struct {
> + unsigned int read :1; /* read allowed */
> + unsigned int write :1; /* write allowed */
> + unsigned int hubid :6; /* hub id - unused */
> + unsigned int rsvd :4; /* reserved */
> + unsigned long rpn :36; /* Real page number */
> + unsigned int unused :16; /* unused */
> + } bits;
> +};

I'd say this is going to be pretty flakey.

Pavel

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161: {
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