[Xen-devel] [PATCH] [IA64] support XEN_SYSCTL_numainfo

["KUWAMURA Shin'ya" <kuwa@xxxxxxxxxxxxxx>]

Hi,

This patch enables ia64 to support XEN_SYSCTL_numainfo.

Signed-off-by: KUWAMURA Shin'ya <kuwa@xxxxxxxxxxxxxx>
-- 
  KUWAMURA Shin'ya

# HG changeset patch
# User KUWAMURA Shin'ya <kuwa@xxxxxxxxxxxxxx>
# Date 1275628873 -32400
# Node ID a43a84363bc3b6ef046aa61e3df4d9bb424d8109
# Parent  d2977fcbd7e87bbfb96a2d1f11e4db6789613dde
[IA64] support XEN_SYSCTL_numainfo

Signed-off-by: KUWAMURA Shin'ya <kuwa@xxxxxxxxxxxxxx>

diff -r d2977fcbd7e8 -r a43a84363bc3 xen/arch/ia64/xen/dom0_ops.c
--- a/xen/arch/ia64/xen/dom0_ops.c      Fri Jun 04 12:05:55 2010 +0900
+++ b/xen/arch/ia64/xen/dom0_ops.c      Fri Jun 04 14:21:13 2010 +0900
@@ -803,6 +803,50 @@ long arch_do_sysctl(xen_sysctl_t *op, XE
     }
     break;
 
+    case XEN_SYSCTL_numainfo:
+    {
+        uint32_t i, j, max_node_index, last_online_node;
+        xen_sysctl_numainfo_t *ni = &op->u.numainfo;
+
+        last_online_node = last_node(node_online_map);
+        max_node_index = min_t(uint32_t, ni->max_node_index, last_online_node);
+        ni->max_node_index = last_online_node;
+
+        for (i = 0; i <= max_node_index; i++) {
+            if (!guest_handle_is_null(ni->node_to_memsize)) {
+                uint64_t memsize = node_online(i) ? 
+                                   node_memblk[i].size << PAGE_SHIFT : 0ul;
+                if (copy_to_guest_offset(ni->node_to_memsize, i, &memsize, 1))
+                    break;
+            }
+            if (!guest_handle_is_null(ni->node_to_memfree)) {
+                uint64_t memfree = node_online(i) ? 
+                                   avail_node_heap_pages(i) << PAGE_SHIFT : 
0ul;
+                if (copy_to_guest_offset(ni->node_to_memfree, i, &memfree, 1))
+                    break;
+            }
+
+            if (!guest_handle_is_null(ni->node_to_node_distance)) {
+                for (j = 0; j <= max_node_index; j++) {
+                    uint32_t distance = ~0u;
+                    if (node_online(i) && node_online (j)) 
+                        distance = node_distance(i, j);
+                    
+                    if (copy_to_guest_offset(
+                        ni->node_to_node_distance, 
+                        i*(max_node_index+1) + j, &distance, 1))
+                        break;
+                }
+                if (j <= max_node_index)
+                    break;
+            }
+        }
+
+        ret = ((i <= max_node_index) || copy_to_guest(u_sysctl, op, 1))
+            ? -EFAULT : 0;
+    }
+    break;
+
     default:
         printk("arch_do_sysctl: unrecognized sysctl: %d!!!\n",op->cmd);
         ret = -ENOSYS;

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