x86/boot/e820: Split minimal UAPI types out into uapi/asm/e820/types.h

bootparam.h, which defines the legacy 'zeropage' boot parameter area,
requires a small amount of e280 defines in the UAPI space - provide them.

No change in functionality.

Cc: Alex Thorlton <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Huang, Ying <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Juergen Gross <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Paul Jackson <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Wei Yang <[email protected]>
Cc: Yinghai Lu <[email protected]>
Cc: [email protected]
Signed-off-by: Ingo Molnar <[email protected]>

Author: Ingo Molnar

arch/x86/include/asm/acpi.h

@@ -52,6 +52,8 @@ extern u8 acpi_sci_flags;
 extern int acpi_sci_override_gsi;
 void acpi_pic_sci_set_trigger(unsigned int, u16);
 
+struct device;
+
 extern int (*__acpi_register_gsi)(struct device *dev, u32 gsi,
 				  int trigger, int polarity);
 extern void (*__acpi_unregister_gsi)(u32 gsi);

arch/x86/include/asm/e820/types.h

@@ -1,12 +1,11 @@
 #ifndef _ASM_E820_TYPES_H
 #define _ASM_E820_TYPES_H
 
+#include <uapi/asm/e820/types.h>
+
 /* Our map: */
 #define E820MAP			0x2d0
 
-/* The maximum number of entries in E820MAP: */
-#define E820MAX			128
-
 /*
  * The legacy E820 BIOS limits us to 128 (E820MAX) nodes due to the
  * constrained space in the zeropage.
@@ -68,16 +67,6 @@
 #ifndef __ASSEMBLY__
 #include <linux/types.h>
 
-/*
- * A single E820 map entry, describing a memory range of [addr...addr+size-1],
- * of 'type' memory type:
- */
-struct e820entry {
-	__u64 addr;
-	__u64 size;
-	__u32 type;
-} __attribute__((packed));
-
 /*
  * The whole array of E820 entries:
  */

arch/x86/include/uapi/asm/bootparam.h

@@ -34,7 +34,7 @@
 #include <linux/screen_info.h>
 #include <linux/apm_bios.h>
 #include <linux/edd.h>
-#include <asm/e820/api.h>
+#include <uapi/asm/e820/types.h>
 #include <asm/ist.h>
 #include <video/edid.h>
 

arch/x86/include/uapi/asm/e820/types.h

@@ -0,0 +1,21 @@
+#ifndef _UAPI_ASM_E820_TYPES_H
+#define _UAPI_ASM_E820_TYPES_H
+
+/* The maximum number of entries in E820MAP: */
+#define E820MAX			128
+
+#ifndef __ASSEMBLY__
+
+/*
+ * A single E820 map entry, describing a memory range of [addr...addr+size-1],
+ * of 'type' memory type:
+ */
+struct e820entry {
+	__u64 addr;
+	__u64 size;
+	__u32 type;
+} __attribute__((packed));
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _UAPI_ASM_E820_TYPES_H */