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xen: Introduce xen_pfn_t for pfn and mfn types

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All the original Xen headers have xen_pfn_t as mfn and pfn type, however
when they have been imported in Linux, xen_pfn_t has been replaced with
unsigned long. That might work for x86 and ia64 but it does not for arm.
Bring back xen_pfn_t and let each architecture define xen_pfn_t as they
see fit.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Stefano Stabellini 2012-08-22 17:20:14 +01:00 • committed by Konrad Rzeszutek Wilk
parent a8636c0b2e
commit bd3f79b71d
7 changed files with 19 additions and 13 deletions
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6
include/xen/interface/memory.h
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@ -31,7 +31,7 @@ struct xen_memory_reservation {
* OUT: GMFN bases of extents that were allocated
* (NB. This command also updates the mach_to_phys translation table)
*/
GUEST_HANDLE(ulong) extent_start;
GUEST_HANDLE(xen_pfn_t) extent_start;
/* Number of extents, and size/alignment of each (2^extent_order pages). */
unsigned long nr_extents;
@ -130,7 +130,7 @@ struct xen_machphys_mfn_list {
* any large discontiguities in the machine address space, 2MB gaps in
* the machphys table will be represented by an MFN base of zero.
*/
GUEST_HANDLE(ulong) extent_start;
GUEST_HANDLE(xen_pfn_t) extent_start;
/*
* Number of extents written to the above array. This will be smaller
@ -175,7 +175,7 @@ struct xen_add_to_physmap {
unsigned long idx;
/* GPFN where the source mapping page should appear. */
unsigned long gpfn;
xen_pfn_t gpfn;
};
DEFINE_GUEST_HANDLE_STRUCT(xen_add_to_physmap);