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xen: implement updated XENMEM_add_to_physmap_range ABI

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Allows for more fine grained error reporting. Only used by PVH and
ARM both of which are marked EXPERIMENTAL precisely because the ABI
is not yet stable

Signed-off-by: Ian Campbell <[email protected]>
[v1: Rebased without PVH patches]
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
This commit is contained in:
Ian Campbell 2013-02-19 22:00:58 -05:00 • committed by Konrad Rzeszutek Wilk
commit 07d0c94366
2 changed files with 11 additions and 3 deletions
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6
include/xen/interface/memory.h
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@ -190,6 +190,7 @@ DEFINE_GUEST_HANDLE_STRUCT(xen_add_to_physmap);
#define XENMEM_add_to_physmap_range 23
struct xen_add_to_physmap_range {
/* IN */
/* Which domain to change the mapping for. */
domid_t domid;
uint16_t space; /* => enum phys_map_space */
@ -203,6 +204,11 @@ struct xen_add_to_physmap_range {
/* GPFN in domid where the source mapping page should appear. */
GUEST_HANDLE(xen_pfn_t) gpfns;
/* OUT */
/* Per index error code. */
GUEST_HANDLE(int) errs;
};
DEFINE_GUEST_HANDLE_STRUCT(xen_add_to_physmap_range);