[Xen-changelog] [linux-2.6.18-xen] [IA64] vti domain save/restore: linux xencomm; add hvm_set/get_context support

["Xen patchbot-linux-2.6.18-xen" <patchbot-linux-2.6.18-xen@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Alex Williamson <alex.williamson@xxxxxx>
# Date 1192995648 21600
# Node ID 2791b054f1a991dec2d41f88ecd33a9b6f78e629
# Parent  27b937c0095cf48a8d982272a4df4eef4f67eec0
[IA64] vti domain save/restore: linux xencomm; add hvm_set/get_context support

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
---
 arch/ia64/xen/xcom_privcmd.c |   11 +++++++++++
 1 files changed, 11 insertions(+)

diff -r 27b937c0095c -r 2791b054f1a9 arch/ia64/xen/xcom_privcmd.c
--- a/arch/ia64/xen/xcom_privcmd.c      Sun Oct 21 12:10:59 2007 -0600
+++ b/arch/ia64/xen/xcom_privcmd.c      Sun Oct 21 13:40:48 2007 -0600
@@ -302,6 +302,17 @@ xencomm_privcmd_domctl(privcmd_hypercall
                set_xen_guest_handle(kern_op.u.vcpuaffinity.cpumap.bitmap,
                                     (void *)desc);
                break;
+       case XEN_DOMCTL_gethvmcontext:
+       case XEN_DOMCTL_sethvmcontext:
+               if (kern_op.u.hvmcontext.size > 0)
+                       desc = xencomm_map(
+                               xen_guest_handle(kern_op.u.hvmcontext.buffer),
+                               kern_op.u.hvmcontext.size);
+               if (xen_guest_handle(kern_op.u.hvmcontext.buffer) != NULL &&
+                   kern_op.u.hvmcontext.size > 0 && desc == NULL)
+                       return -ENOMEM;
+               set_xen_guest_handle(kern_op.u.hvmcontext.buffer, (void*)desc);
+               break;
        case XEN_DOMCTL_max_vcpus:
        case XEN_DOMCTL_scheduler_op:
        case XEN_DOMCTL_setdomainhandle:

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