arm: xen: implement multicall hypercall support.
authorIan Campbell <ian.campbell@citrix.com>
Thu, 17 Apr 2014 12:57:37 +0000 (13:57 +0100)
committerDavid Vrabel <david.vrabel@citrix.com>
Thu, 24 Apr 2014 12:09:46 +0000 (13:09 +0100)
commit5e40704ed2c69425bcb076fb1890417ef137e6c8
treecd46787cce44df343041339655636d1945e4ca0a
parent1aae31c8306e5f1bdeafd87b2cd9e3f0df3709e5
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>
arch/arm/include/asm/xen/hypercall.h
arch/arm/include/asm/xen/interface.h
arch/arm/xen/hypercall.S
arch/arm64/xen/hypercall.S
arch/x86/include/asm/xen/hypercall.h
arch/x86/include/asm/xen/interface.h
include/xen/interface/xen.h