[Xen-changelog] [linux-2.6.18-xen] [IA64] xencomm: support several domctls for VT-d.

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

# HG changeset patch
# User Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
# Date 1224814922 -32400
# Node ID 45c3a3dfa5b54619676d9de026452ee062a7e8af
# Parent  c87adc9760134abb7275728718e44af3dacc515b
[IA64] xencomm: support several domctls for VT-d.

This patch adds xencomm support of several domctl hypercalls
for VT-d.

Signed-off-by: Anthony Xu <anthony.xu@xxxxxxxxx>
Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
---
 arch/ia64/xen/xcom_privcmd.c |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+)

diff -r c87adc976013 -r 45c3a3dfa5b5 arch/ia64/xen/xcom_privcmd.c
--- a/arch/ia64/xen/xcom_privcmd.c      Mon Oct 20 15:29:07 2008 +0100
+++ b/arch/ia64/xen/xcom_privcmd.c      Fri Oct 24 11:22:02 2008 +0900
@@ -340,6 +340,20 @@ xencomm_privcmd_domctl(privcmd_hypercall
                        return -ENOMEM;
                set_xen_guest_handle(kern_op.u.hvmcontext.buffer, (void*)desc);
                break;
+       case XEN_DOMCTL_get_device_group: 
+       {
+               struct xen_domctl_get_device_group *get_device_group =
+                       &kern_op.u.get_device_group;
+               desc = xencomm_map(
+                       xen_guest_handle(get_device_group->sdev_array),
+                       get_device_group->max_sdevs * sizeof(uint32_t));
+               if (xen_guest_handle(get_device_group->sdev_array) != NULL &&
+                   get_device_group->max_sdevs > 0 && desc == NULL)
+                       return -ENOMEM;
+               set_xen_guest_handle(kern_op.u.get_device_group.sdev_array,
+                                    (void*)desc);
+               break;
+       }
        case XEN_DOMCTL_max_vcpus:
        case XEN_DOMCTL_scheduler_op:
        case XEN_DOMCTL_setdomainhandle:
@@ -354,6 +368,12 @@ xencomm_privcmd_domctl(privcmd_hypercall
        case XEN_DOMCTL_set_opt_feature:
        case XEN_DOMCTL_assign_device:
        case XEN_DOMCTL_subscribe:
+       case XEN_DOMCTL_test_assign_device:
+       case XEN_DOMCTL_deassign_device:
+       case XEN_DOMCTL_bind_pt_irq:
+       case XEN_DOMCTL_unbind_pt_irq:
+       case XEN_DOMCTL_memory_mapping:
+       case XEN_DOMCTL_ioport_mapping:
                break;
        case XEN_DOMCTL_pin_mem_cacheattr:
                return -ENOSYS;

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