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authorIan Campbell <ian.campbell@citrix.com>2014-04-17 13:57:37 +0100
committerDavid Vrabel <david.vrabel@citrix.com>2014-04-24 13:09:46 +0100
commit5e40704ed2c69425bcb076fb1890417ef137e6c8 (patch)
treecd46787cce44df343041339655636d1945e4ca0a /include/xen
parent1aae31c8306e5f1bdeafd87b2cd9e3f0df3709e5 (diff)
arm: xen: implement multicall hypercall support.
As part of this make the usual change to xen_ulong_t in place of unsigned long. This change has no impact on x86. The Linux definition of struct multicall_entry.result differs from the Xen definition, I think for good reasons, and used a long rather than an unsigned long. Therefore introduce a xen_long_t, which is a long on x86 architectures and a signed 64-bit integer on ARM. Use uint32_t nr_calls on x86 for consistency with the ARM definition. Build tested on amd64 and i386 builds. Runtime tested on ARM. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'include/xen')
-rw-r--r--include/xen/interface/xen.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h
index 0cd5ca333fac..de082130ba4b 100644
--- a/include/xen/interface/xen.h
+++ b/include/xen/interface/xen.h
@@ -275,9 +275,9 @@ DEFINE_GUEST_HANDLE_STRUCT(mmu_update);
* NB. The fields are natural register size for this architecture.
*/
struct multicall_entry {
- unsigned long op;
- long result;
- unsigned long args[6];
+ xen_ulong_t op;
+ xen_long_t result;
+ xen_ulong_t args[6];
};
DEFINE_GUEST_HANDLE_STRUCT(multicall_entry);