Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[mirror_ubuntu-artful-kernel.git] / arch / x86 / include / uapi / asm / bootparam.h

diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h
index 07244ea16765a6bc77e1107233c65fc7286f0e8b..ddef37b16af2c92ccef2b23088763a211dab6ea6 100644 (file)
--- a/arch/x86/include/uapi/asm/bootparam.h
+++ b/arch/x86/include/uapi/asm/bootparam.h
@@ -34,7 +34,6 @@
 #include <linux/screen_info.h>
 #include <linux/apm_bios.h>
 #include <linux/edd.h>
-#include <asm/e820.h>
 #include <asm/ist.h>
 #include <video/edid.h>
 
@@ -111,6 +110,21 @@ struct efi_info {
        __u32 efi_memmap_hi;
 };
 
+/*
+ * This is the maximum number of entries in struct boot_params::e820_table
+ * (the zeropage), which is part of the x86 boot protocol ABI:
+ */
+#define E820_MAX_ENTRIES_ZEROPAGE 128
+
+/*
+ * The E820 memory region entry of the boot protocol ABI:
+ */
+struct boot_e820_entry {
+       __u64 addr;
+       __u64 size;
+       __u32 type;
+} __attribute__((packed));
+
 /* The so-called "zeropage" */
 struct boot_params {
        struct screen_info screen_info;                 /* 0x000 */
@@ -153,7 +167,7 @@ struct boot_params {
        struct setup_header hdr;    /* setup header */  /* 0x1f1 */
        __u8  _pad7[0x290-0x1f1-sizeof(struct setup_header)];
        __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];      /* 0x290 */
-       struct e820entry e820_map[E820MAX];             /* 0x2d0 */
+       struct boot_e820_entry e820_table[E820_MAX_ENTRIES_ZEROPAGE]; /* 0x2d0 */
        __u8  _pad8[48];                                /* 0xcd0 */
        struct edd_info eddbuf[EDDMAXNR];               /* 0xd00 */
        __u8  _pad9[276];                               /* 0xeec */