[Xen-changelog] [xen-unstable] [IA64] support XEN_DOMCTL_[gs]et_address_size

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
# Date 1233112978 -32400
# Node ID 4fd4dcf2f8916ab4656911a76e52fc6b1ad42c2f
# Parent  b0beee2685433da53ba3943880282c3e38e7a257
[IA64] support XEN_DOMCTL_[gs]et_address_size

support XEN_DOMCTL_[gs]et_address_size to support
the updated xm dump-core.

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
---
 xen/arch/ia64/xen/dom0_ops.c |   33 +++++++++++++++++++++++++++++++++
 1 files changed, 33 insertions(+)

diff -r b0beee268543 -r 4fd4dcf2f891 xen/arch/ia64/xen/dom0_ops.c
--- a/xen/arch/ia64/xen/dom0_ops.c      Wed Jan 07 14:28:33 2009 +0900
+++ b/xen/arch/ia64/xen/dom0_ops.c      Wed Jan 28 12:22:58 2009 +0900
@@ -649,6 +649,39 @@ long arch_do_domctl(xen_domctl_t *op, XE
     }
     break;
 
+    case XEN_DOMCTL_set_address_size:
+    {
+        struct domain *d = rcu_lock_domain_by_id(op->domain);
+
+        ret = -ESRCH;
+        if (d == NULL)
+            break;
+
+        ret = -EINVAL;
+        if (op->u.address_size.size == BITS_PER_LONG)
+            ret = 0;
+
+        rcu_unlock_domain(d);
+    }
+    break;
+
+    case XEN_DOMCTL_get_address_size:
+    {
+        struct domain *d = rcu_lock_domain_by_id(op->domain);
+
+        ret = -ESRCH;
+        if (d  == NULL)
+            break;
+
+        ret = 0;
+        op->u.address_size.size = BITS_PER_LONG;
+        rcu_unlock_domain(d);
+
+        if (copy_to_guest(u_domctl, op, 1))
+            ret = -EFAULT;
+    }
+    break;
+
     default:
         printk("arch_do_domctl: unrecognized domctl: %d!!!\n",op->cmd);
         ret = -ENOSYS;

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