x86, intel_txt: Intel TXT boot support
[linux-2.6.git] / arch / x86 / include / asm / bootparam.h
1 #ifndef _ASM_X86_BOOTPARAM_H
2 #define _ASM_X86_BOOTPARAM_H
3
4 #include <linux/types.h>
5 #include <linux/screen_info.h>
6 #include <linux/apm_bios.h>
7 #include <linux/edd.h>
8 #include <asm/e820.h>
9 #include <asm/ist.h>
10 #include <video/edid.h>
11
12 /* setup data types */
13 #define SETUP_NONE                      0
14 #define SETUP_E820_EXT                  1
15
16 /* extensible setup data list node */
17 struct setup_data {
18         __u64 next;
19         __u32 type;
20         __u32 len;
21         __u8 data[0];
22 };
23
24 struct setup_header {
25         __u8    setup_sects;
26         __u16   root_flags;
27         __u32   syssize;
28         __u16   ram_size;
29 #define RAMDISK_IMAGE_START_MASK        0x07FF
30 #define RAMDISK_PROMPT_FLAG             0x8000
31 #define RAMDISK_LOAD_FLAG               0x4000
32         __u16   vid_mode;
33         __u16   root_dev;
34         __u16   boot_flag;
35         __u16   jump;
36         __u32   header;
37         __u16   version;
38         __u32   realmode_swtch;
39         __u16   start_sys;
40         __u16   kernel_version;
41         __u8    type_of_loader;
42         __u8    loadflags;
43 #define LOADED_HIGH     (1<<0)
44 #define QUIET_FLAG      (1<<5)
45 #define KEEP_SEGMENTS   (1<<6)
46 #define CAN_USE_HEAP    (1<<7)
47         __u16   setup_move_size;
48         __u32   code32_start;
49         __u32   ramdisk_image;
50         __u32   ramdisk_size;
51         __u32   bootsect_kludge;
52         __u16   heap_end_ptr;
53         __u8    ext_loader_ver;
54         __u8    ext_loader_type;
55         __u32   cmd_line_ptr;
56         __u32   initrd_addr_max;
57         __u32   kernel_alignment;
58         __u8    relocatable_kernel;
59         __u8    _pad2[3];
60         __u32   cmdline_size;
61         __u32   hardware_subarch;
62         __u64   hardware_subarch_data;
63         __u32   payload_offset;
64         __u32   payload_length;
65         __u64   setup_data;
66 } __attribute__((packed));
67
68 struct sys_desc_table {
69         __u16 length;
70         __u8  table[14];
71 };
72
73 struct efi_info {
74         __u32 efi_loader_signature;
75         __u32 efi_systab;
76         __u32 efi_memdesc_size;
77         __u32 efi_memdesc_version;
78         __u32 efi_memmap;
79         __u32 efi_memmap_size;
80         __u32 efi_systab_hi;
81         __u32 efi_memmap_hi;
82 };
83
84 /* The so-called "zeropage" */
85 struct boot_params {
86         struct screen_info screen_info;                 /* 0x000 */
87         struct apm_bios_info apm_bios_info;             /* 0x040 */
88         __u8  _pad2[4];                                 /* 0x054 */
89         __u64  tboot_addr;                              /* 0x058 */
90         struct ist_info ist_info;                       /* 0x060 */
91         __u8  _pad3[16];                                /* 0x070 */
92         __u8  hd0_info[16];     /* obsolete! */         /* 0x080 */
93         __u8  hd1_info[16];     /* obsolete! */         /* 0x090 */
94         struct sys_desc_table sys_desc_table;           /* 0x0a0 */
95         __u8  _pad4[144];                               /* 0x0b0 */
96         struct edid_info edid_info;                     /* 0x140 */
97         struct efi_info efi_info;                       /* 0x1c0 */
98         __u32 alt_mem_k;                                /* 0x1e0 */
99         __u32 scratch;          /* Scratch field! */    /* 0x1e4 */
100         __u8  e820_entries;                             /* 0x1e8 */
101         __u8  eddbuf_entries;                           /* 0x1e9 */
102         __u8  edd_mbr_sig_buf_entries;                  /* 0x1ea */
103         __u8  _pad6[6];                                 /* 0x1eb */
104         struct setup_header hdr;    /* setup header */  /* 0x1f1 */
105         __u8  _pad7[0x290-0x1f1-sizeof(struct setup_header)];
106         __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];      /* 0x290 */
107         struct e820entry e820_map[E820MAX];             /* 0x2d0 */
108         __u8  _pad8[48];                                /* 0xcd0 */
109         struct edd_info eddbuf[EDDMAXNR];               /* 0xd00 */
110         __u8  _pad9[276];                               /* 0xeec */
111 } __attribute__((packed));
112
113 #endif /* _ASM_X86_BOOTPARAM_H */