1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _UAPI_ASM_X86_SETUP_DATA_H
3#define _UAPI_ASM_X86_SETUP_DATA_H
4
5/* setup_data/setup_indirect types */
6#define SETUP_NONE 0
7#define SETUP_E820_EXT 1
8#define SETUP_DTB 2
9#define SETUP_PCI 3
10#define SETUP_EFI 4
11#define SETUP_APPLE_PROPERTIES 5
12#define SETUP_JAILHOUSE 6
13#define SETUP_CC_BLOB 7
14#define SETUP_IMA 8
15#define SETUP_RNG_SEED 9
16#define SETUP_KEXEC_KHO 10
17#define SETUP_ENUM_MAX SETUP_KEXEC_KHO
18
19#define SETUP_INDIRECT (1<<31)
20#define SETUP_TYPE_MAX (SETUP_ENUM_MAX | SETUP_INDIRECT)
21
22#ifndef __ASSEMBLER__
23
24#include <linux/types.h>
25
26/* extensible setup data list node */
27struct setup_data {
28 __u64 next;
29 __u32 type;
30 __u32 len;
31 __u8 data[];
32};
33
34/* extensible setup indirect data node */
35struct setup_indirect {
36 __u32 type;
37 __u32 reserved; /* Reserved, must be set to zero. */
38 __u64 len;
39 __u64 addr;
40};
41
42/*
43 * The E820 memory region entry of the boot protocol ABI:
44 */
45struct boot_e820_entry {
46 __u64 addr;
47 __u64 size;
48 __u32 type;
49} __attribute__((packed));
50
51/*
52 * The boot loader is passing platform information via this Jailhouse-specific
53 * setup data structure.
54 */
55struct jailhouse_setup_data {
56 struct {
57 __u16 version;
58 __u16 compatible_version;
59 } __attribute__((packed)) hdr;
60 struct {
61 __u16 pm_timer_address;
62 __u16 num_cpus;
63 __u64 pci_mmconfig_base;
64 __u32 tsc_khz;
65 __u32 apic_khz;
66 __u8 standard_ioapic;
67 __u8 cpu_ids[255];
68 } __attribute__((packed)) v1;
69 struct {
70 __u32 flags;
71 } __attribute__((packed)) v2;
72} __attribute__((packed));
73
74/*
75 * IMA buffer setup data information from the previous kernel during kexec
76 */
77struct ima_setup_data {
78 __u64 addr;
79 __u64 size;
80} __attribute__((packed));
81
82/*
83 * Locations of kexec handover metadata
84 */
85struct kho_data {
86 __u64 fdt_addr;
87 __u64 fdt_size;
88 __u64 scratch_addr;
89 __u64 scratch_size;
90} __attribute__((packed));
91
92#endif /* __ASSEMBLER__ */
93
94#endif /* _UAPI_ASM_X86_SETUP_DATA_H */
95

source code of linux/arch/x86/include/uapi/asm/setup_data.h