[PATCH v2 1/6] kexec, x86: add boot header member for version 2.12

[Yinghai Lu]

will use ext_ramdisk_image/size, and code64_start_offset

Signed-off-by: Yinghai Lu <yinghai at kernel.org>
---
 include/x86/x86-linux.h           |   22 +++++++++++++++++++++-
 kexec/arch/i386/x86-linux-setup.c |    2 +-
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/include/x86/x86-linux.h b/include/x86/x86-linux.h
index 27af02b..71cd296 100644
--- a/include/x86/x86-linux.h
+++ b/include/x86/x86-linux.h
@@ -178,7 +178,17 @@ struct x86_linux_param_header {
 	uint32_t cmdline_size;			/* 0x238 */
 	uint32_t hardware_subarch;		/* 0x23C */
 	uint64_t hardware_subarch_data;		/* 0x240 */
-	uint8_t  reserved16[0x290 - 0x248];	/* 0x248 */
+	uint32_t payload_offset;		/* 0x248 */
+	uint32_t payload_length;		/* 0x24C */
+	uint64_t setup_data;			/* 0x250 */
+	uint64_t pref_address;			/* 0x258 */
+	uint32_t init_size;			/* 0x260 */
+	uint32_t handover_offset;		/* 0x264 */
+	uint32_t ext_ramdisk_image;		/* 0x268 */
+	uint32_t ext_ramdisk_size;		/* 0x26C */
+	uint32_t code64_start_offset;		/* 0x270 */
+	uint32_t ext_cmd_line_ptr;		/* 0x274 */
+	uint8_t  reserved16[0x290 - 0x278];	/* 0x278 */
 	uint32_t edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];	/* 0x290 */
 #endif
 	struct 	e820entry e820_map[E820MAX];	/* 0x2d0 */
@@ -245,6 +255,16 @@ struct x86_linux_header {
 	uint32_t cmdline_size;                  /* 0x238 */
 	uint32_t hardware_subarch;              /* 0x23C */
 	uint64_t hardware_subarch_data;         /* 0x240 */
+	uint32_t payload_offset;		/* 0x248 */
+	uint32_t payload_length;		/* 0x24C */
+	uint64_t setup_data;			/* 0x250 */
+	uint64_t pref_address;			/* 0x258 */
+	uint32_t init_size;			/* 0x260 */
+	uint32_t handover_offset;		/* 0x264 */
+	uint32_t ext_ramdisk_image;		/* 0x268 */
+	uint32_t ext_ramdisk_size;		/* 0x26C */
+	uint32_t code64_start_offset;		/* 0x270 */
+	uint32_t ext_cmd_line_ptr;		/* 0x274 */
 #endif
 } PACKED;
 
diff --git a/kexec/arch/i386/x86-linux-setup.c b/kexec/arch/i386/x86-linux-setup.c
index b7ab8ea..53d9df9 100644
--- a/kexec/arch/i386/x86-linux-setup.c
+++ b/kexec/arch/i386/x86-linux-setup.c
@@ -41,7 +41,7 @@ void init_linux_parameters(struct x86_linux_param_header *real_mode)
 
 	/* Boot block magic */
 	memcpy(real_mode->header_magic, "HdrS", 4);
-	real_mode->protocol_version = 0x0206;
+	real_mode->protocol_version = 0x020C;
 	real_mode->initrd_addr_max = DEFAULT_INITRD_ADDR_MAX;
 	real_mode->cmdline_size = COMMAND_LINE_SIZE;
 }
-- 
1.7.7