Xen devel - Apr 2007 - xc_map_foreign_range with mfn?

I am using Xen 3.0.4 vmx (on Intel VT).

I need to map in a foreign page, given its mfn (not gpfn), into dom0. I 
used to do this quite well with Xen 3.0.2. However, when I ported my code 
to Xen 3.0.4, things seem to have changed.

Does xc_map_foreign_range accept an mfn or a gpfn as its argument? It 
seems to be accepting gpfn in 3.0.4. Is that true? If so, can anyone 
please suggest a way for me to map in a foreign page, given its mfn, on 
to dom0?

The reason I need to be able to do this is that I have allocated some 
machine pages inside Xen (through a new dom0 op hypercall that I added), 
that are supposed to be unknown to the guest (for transparency reasons), 
and hence do not have gpfn''s in the guest mapping to them.

Thanks in advance for your help.

- Prashanth.

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I am using Xen 3.0.4 vmx (on Intel VT).

I need to map in a foreign page, given its mfn (not gpfn), into dom0. I 
used to do this quite well with Xen 3.0.2. However, when I ported my code 
to Xen 3.0.4, things seem to have changed.

Does xc_map_foreign_range accept an mfn or a gpfn as its argument? It 
seems to be accepting gpfn in 3.0.4. Is that true? If so, can anyone 
please suggest a way for me to map in a foreign page, given its mfn, on to 
dom0?

The reason I need to be able to do this is that I have allocated some 
machine pages inside Xen (through a new dom0 op hypercall that I added), 
that are supposed to be unknown to the guest (for transparency reasons), 
and hence do not have gpfn''s in the guest mapping to them.

Thanks in advance for your help,
Prashanth.

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel