arch/x86/include/uapi/asm/setup_data.h

   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_ENUM_MAX                  SETUP_RNG_SEED
  17
  18 #define SETUP_INDIRECT                  (1<<31)
  19 #define SETUP_TYPE_MAX                  (SETUP_ENUM_MAX | SETUP_INDIRECT)
  20
  21 #ifndef __ASSEMBLY__
  22
  23 #include <linux/types.h>
  24
  25 /* extensible setup data list node */
  26 struct setup_data {
  27         __u64 next;
  28         __u32 type;
  29         __u32 len;
  30         __u8 data[];
  31 };
  32
  33 /* extensible setup indirect data node */
  34 struct setup_indirect {
  35         __u32 type;
  36         __u32 reserved;  /* Reserved, must be set to zero. */
  37         __u64 len;
  38         __u64 addr;
  39 };
  40
  41 /*
  42  * The E820 memory region entry of the boot protocol ABI:
  43  */
  44 struct boot_e820_entry {
  45         __u64 addr;
  46         __u64 size;
  47         __u32 type;
  48 } __attribute__((packed));
  49
  50 /*
  51  * The boot loader is passing platform information via this Jailhouse-specific
  52  * setup data structure.
  53  */
  54 struct jailhouse_setup_data {
  55         struct {
  56                 __u16   version;
  57                 __u16   compatible_version;
  58         } __attribute__((packed)) hdr;
  59         struct {
  60                 __u16   pm_timer_address;
  61                 __u16   num_cpus;
  62                 __u64   pci_mmconfig_base;
  63                 __u32   tsc_khz;
  64                 __u32   apic_khz;
  65                 __u8    standard_ioapic;
  66                 __u8    cpu_ids[255];
  67         } __attribute__((packed)) v1;
  68         struct {
  69                 __u32   flags;
  70         } __attribute__((packed)) v2;
  71 } __attribute__((packed));
  72
  73 /*
  74  * IMA buffer setup data information from the previous kernel during kexec
  75  */
  76 struct ima_setup_data {
  77         __u64 addr;
  78         __u64 size;
  79 } __attribute__((packed));
  80
  81 #endif /* __ASSEMBLY__ */
  82
  83 #endif /* _UAPI_ASM_X86_SETUP_DATA_H */