summaryrefslogtreecommitdiffstats
path: root/include/asm-x86_64/dmi.h
diff options
context:
space:
mode:
authorSteve French <sfrench@us.ibm.com>2006-03-31 05:35:56 +0200
committerSteve French <sfrench@us.ibm.com>2006-03-31 05:35:56 +0200
commitd62e54abca1146981fc9f98f85ff398a113a22c2 (patch)
tree870420dbc4c65e716dcef8a802aafdc0ef97a8b4 /include/asm-x86_64/dmi.h
parentMerge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6 (diff)
downloadlinux-d62e54abca1146981fc9f98f85ff398a113a22c2.tar.xz
linux-d62e54abca1146981fc9f98f85ff398a113a22c2.zip
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'include/asm-x86_64/dmi.h')
-rw-r--r--include/asm-x86_64/dmi.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/asm-x86_64/dmi.h b/include/asm-x86_64/dmi.h
new file mode 100644
index 000000000000..93b2b15d4325
--- /dev/null
+++ b/include/asm-x86_64/dmi.h
@@ -0,0 +1,27 @@
+#ifndef _ASM_DMI_H
+#define _ASM_DMI_H 1
+
+#include <asm/io.h>
+
+extern void *dmi_ioremap(unsigned long addr, unsigned long size);
+extern void dmi_iounmap(void *addr, unsigned long size);
+
+#define DMI_MAX_DATA 2048
+
+extern int dmi_alloc_index;
+extern char dmi_alloc_data[DMI_MAX_DATA];
+
+/* This is so early that there is no good way to allocate dynamic memory.
+ Allocate data in an BSS array. */
+static inline void *dmi_alloc(unsigned len)
+{
+ int idx = dmi_alloc_index;
+ if ((dmi_alloc_index += len) > DMI_MAX_DATA)
+ return NULL;
+ return dmi_alloc_data + idx;
+}
+
+#define dmi_ioremap early_ioremap
+#define dmi_iounmap early_iounmap
+
+#endif