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# HG changeset patch
# User [EMAIL PROTECTED]
# Node ID 66dac877aa4264c42188a3cee6176cef940fd344
# Parent 290b8d621c031a9fa2c72a60f4ce37dfc6029191
introduce efi_memmap_walk_type() for the next dom0 builder patch.
PATCHNAME: efi_memmap_walk_type_xen
Signed-off-by: Isaku Yamahata <[EMAIL PROTECTED]>
diff -r 290b8d621c03 -r 66dac877aa42 xen/arch/ia64/linux-xen/efi.c
--- a/xen/arch/ia64/linux-xen/efi.c Mon Apr 24 22:27:59 2006 +0900
+++ b/xen/arch/ia64/linux-xen/efi.c Mon Apr 24 22:28:00 2006 +0900
@@ -455,6 +455,27 @@ efi_memmap_walk_uc (efi_freemem_callback
}
}
+#ifdef XEN
+void
+efi_memmap_walk_type(u32 type, efi_walk_type_callback_t callback, void *arg)
+{
+ void *efi_map_start, *efi_map_end, *p;
+ efi_memory_desc_t *md;
+ u64 efi_desc_size;
+
+ efi_map_start = __va(ia64_boot_param->efi_memmap);
+ efi_map_end = efi_map_start + ia64_boot_param->efi_memmap_size;
+ efi_desc_size = ia64_boot_param->efi_memdesc_size;
+
+ for (p = efi_map_start; p < efi_map_end; p += efi_desc_size) {
+ md = p;
+ if (md->type == type) {
+ if ((*callback)(md, arg) < 0)
+ return;
+ }
+ }
+}
+#endif
/*
* Look for the PAL_CODE region reported by EFI and maps it using an
diff -r 290b8d621c03 -r 66dac877aa42 xen/include/asm-ia64/linux-xen/linux/efi.h
--- a/xen/include/asm-ia64/linux-xen/linux/efi.h Mon Apr 24 22:27:59
2006 +0900
+++ b/xen/include/asm-ia64/linux-xen/linux/efi.h Mon Apr 24 22:28:00
2006 +0900
@@ -293,6 +293,10 @@ extern void efi_map_pal_code (void);
extern void efi_map_pal_code (void);
extern void efi_map_memmap(void);
extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg);
+#ifdef XEN
+typedef int (*efi_walk_type_callback_t)(efi_memory_desc_t *md, void *arg);
+extern void efi_memmap_walk_type(u32 type, efi_walk_type_callback_t callback,
void *arg);
+#endif
extern void efi_gettimeofday (struct timespec *ts);
extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode,
if possible */
extern u64 efi_get_iobase (void);
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