[XenPPC] [linux-ppc-2.6] [LINUX][XEN][POWERPC] Use PowerPC specific util.c routines

[Xen patchbot-linux-ppc-2.6 <patchbot-linux-ppc-2.6@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
# Node ID fe1a31c06cbe548d3eb59b4e0fc16fc102a16344
# Parent  28adc79fe774f9811e7f98f225327d777664be6a
[LINUX][XEN][POWERPC] Use PowerPC specific util.c routines

Signed-off-by: Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
---
 arch/powerpc/platforms/xen/util.c |   49 ++++++++++++++++++++++++++++++++++++++
 drivers/xen/Kconfig               |    1 
 2 files changed, 50 insertions(+)

diff -r 28adc79fe774 -r fe1a31c06cbe drivers/xen/Kconfig
--- a/drivers/xen/Kconfig       Sun Oct 08 12:21:35 2006 -0400
+++ b/drivers/xen/Kconfig       Sun Oct 08 12:23:50 2006 -0400
@@ -221,6 +221,7 @@ config NO_IDLE_HZ
 
 config XEN_UTIL
        bool
+       depends on !PPC_XEN
        default y
 
 config XEN_BALLOON
diff -r 28adc79fe774 -r fe1a31c06cbe arch/powerpc/platforms/xen/util.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/arch/powerpc/platforms/xen/util.c Sun Oct 08 12:23:50 2006 -0400
@@ -0,0 +1,49 @@
+#include <linux/config.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <asm/uaccess.h>
+#include <xen/driver_util.h>
+
+
+struct vm_struct *alloc_vm_area(unsigned long size)
+{
+       struct vm_struct *area;
+
+       area = kmalloc(sizeof(*area), GFP_KERNEL);
+       if (area != NULL) {
+               area->flags = VM_MAP;//XXX
+               area->addr = (void *)0xdeadcab4beeff00dULL;
+               area->size = size;
+               area->pages = NULL; //XXX
+               area->nr_pages = size >> PAGE_SHIFT;
+               area->phys_addr = 0;
+       }
+       return area;
+}
+EXPORT_SYMBOL_GPL(alloc_vm_area);
+
+void free_vm_area(struct vm_struct *area)
+{
+       kfree(area);
+}
+EXPORT_SYMBOL_GPL(free_vm_area);
+
+void lock_vm_area(struct vm_struct *area)
+{
+       preempt_disable();
+}
+
+void unlock_vm_area(struct vm_struct *area)
+{
+       preempt_enable();
+}
+EXPORT_SYMBOL_GPL(unlock_vm_area);
+
+void update_vm_area(struct vm_struct *area, struct gnttab_map_grant_ref *op)
+{
+       area->phys_addr = op->dev_bus_addr;
+       area->addr = __va(op->dev_bus_addr);
+}
+EXPORT_SYMBOL_GPL(update_vm_area);

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