[Xen-ia64-devel] [PATCH] xencomm: support XENMEM_add_to_physmap and XENMEM_remove_from_phsymap

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

Note: this patch depends on the c/s of 653:8566781df55e
which updates include/xen/interface/memory.h.

[IA64] xencomm: support XENMEM_add_to_physmap and XENMEM_remove_from_phsymap

support XENMEM_add_to_physmap and XENMEM_remove_from_phsymap.

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff -r a35dde520af5 arch/ia64/xen/xcom_privcmd.c
--- a/arch/ia64/xen/xcom_privcmd.c      Tue Sep 09 16:57:09 2008 +0900
+++ b/arch/ia64/xen/xcom_privcmd.c      Tue Sep 09 18:25:44 2008 +0900
@@ -575,6 +575,34 @@
 
                return ret;
        }
+       case XENMEM_add_to_physmap:
+       case XENMEM_remove_from_physmap:
+       {
+               void __user *arg = (void __user *)hypercall->arg[1];
+               size_t argsize;
+               struct xencomm_handle *desc;
+
+               switch (cmd) {
+               case XENMEM_add_to_physmap: 
+                       argsize = sizeof(struct xen_add_to_physmap);
+                       break;
+               case XENMEM_remove_from_physmap:
+                       argsize = sizeof(struct xen_remove_from_physmap);
+                       break;
+               default:
+                       BUG();
+               }
+
+               desc = xencomm_map(arg, argsize);
+               if (desc == NULL)
+                       return -ENOMEM;
+
+               ret = xencomm_arch_hypercall_memory_op(cmd, desc);
+
+               xencomm_free(desc);
+               return ret;
+
+       }
        default:
                printk("%s: unknown memory op %lu\n", __func__, cmd);
                ret = -ENOSYS;


-- 
yamahata

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