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1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _ASM_X86_SETUP_DATA_H
3 #define _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 "standard-headers/linux/types.h"
25
26 /* extensible setup data list node */
27 struct setup_data {
28 uint64_t next;
29 uint32_t type;
30 uint32_t len;
31 uint8_t data[];
32 };
33
34 /* extensible setup indirect data node */
35 struct setup_indirect {
36 uint32_t type;
37 uint32_t reserved; /* Reserved, must be set to zero. */
38 uint64_t len;
39 uint64_t addr;
40 };
41
42 /*
43 * The E820 memory region entry of the boot protocol ABI:
44 */
45 struct boot_e820_entry {
46 uint64_t addr;
47 uint64_t size;
48 uint32_t type;
49 } QEMU_PACKED;
50
51 /*
52 * The boot loader is passing platform information via this Jailhouse-specific
53 * setup data structure.
54 */
55 struct jailhouse_setup_data {
56 struct {
57 uint16_t version;
58 uint16_t compatible_version;
59 } QEMU_PACKED hdr;
60 struct {
61 uint16_t pm_timer_address;
62 uint16_t num_cpus;
63 uint64_t pci_mmconfig_base;
64 uint32_t tsc_khz;
65 uint32_t apic_khz;
66 uint8_t standard_ioapic;
67 uint8_t cpu_ids[255];
68 } QEMU_PACKED v1;
69 struct {
70 uint32_t flags;
71 } QEMU_PACKED v2;
72 } QEMU_PACKED;
73
74 /*
75 * IMA buffer setup data information from the previous kernel during kexec
76 */
77 struct ima_setup_data {
78 uint64_t addr;
79 uint64_t size;
80 } QEMU_PACKED;
81
82 /*
83 * Locations of kexec handover metadata
84 */
85 struct kho_data {
86 uint64_t fdt_addr;
87 uint64_t fdt_size;
88 uint64_t scratch_addr;
89 uint64_t scratch_size;
90 } QEMU_PACKED;
91
92 #endif /* __ASSEMBLER__ */
93
94 #endif /* _ASM_X86_SETUP_DATA_H */