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authorKacper <kacper@mail.openlinux.dev>2025-12-07 20:10:31 +0100
committerKacper <kacper@mail.openlinux.dev>2025-12-07 20:10:31 +0100
commitfc00c656c96528112d05cf0edf8631bd5eaea446 (patch)
treea6e0e6c588191a8bd1c64afc3b7a258e3e66c236 /include/arch/x86_64/asm/setup_data.h
Add build system scaffolding and libc headers
Diffstat (limited to 'include/arch/x86_64/asm/setup_data.h')
-rw-r--r--include/arch/x86_64/asm/setup_data.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/include/arch/x86_64/asm/setup_data.h b/include/arch/x86_64/asm/setup_data.h
new file mode 100644
index 00000000..9231a533
--- /dev/null
+++ b/include/arch/x86_64/asm/setup_data.h
@@ -0,0 +1,94 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _ASM_X86_SETUP_DATA_H
+#define _ASM_X86_SETUP_DATA_H
+
+/* setup_data/setup_indirect types */
+#define SETUP_NONE 0
+#define SETUP_E820_EXT 1
+#define SETUP_DTB 2
+#define SETUP_PCI 3
+#define SETUP_EFI 4
+#define SETUP_APPLE_PROPERTIES 5
+#define SETUP_JAILHOUSE 6
+#define SETUP_CC_BLOB 7
+#define SETUP_IMA 8
+#define SETUP_RNG_SEED 9
+#define SETUP_KEXEC_KHO 10
+#define SETUP_ENUM_MAX SETUP_KEXEC_KHO
+
+#define SETUP_INDIRECT (1 << 31)
+#define SETUP_TYPE_MAX (SETUP_ENUM_MAX | SETUP_INDIRECT)
+
+#ifndef __ASSEMBLER__
+
+#include <linux/types.h>
+
+/* extensible setup data list node */
+struct setup_data {
+ __u64 next;
+ __u32 type;
+ __u32 len;
+ __u8 data[];
+};
+
+/* extensible setup indirect data node */
+struct setup_indirect {
+ __u32 type;
+ __u32 reserved; /* Reserved, must be set to zero. */
+ __u64 len;
+ __u64 addr;
+};
+
+/*
+ * The E820 memory region entry of the boot protocol ABI:
+ */
+struct boot_e820_entry {
+ __u64 addr;
+ __u64 size;
+ __u32 type;
+} __attribute__((packed));
+
+/*
+ * The boot loader is passing platform information via this Jailhouse-specific
+ * setup data structure.
+ */
+struct jailhouse_setup_data {
+ struct {
+ __u16 version;
+ __u16 compatible_version;
+ } __attribute__((packed)) hdr;
+ struct {
+ __u16 pm_timer_address;
+ __u16 num_cpus;
+ __u64 pci_mmconfig_base;
+ __u32 tsc_khz;
+ __u32 apic_khz;
+ __u8 standard_ioapic;
+ __u8 cpu_ids[255];
+ } __attribute__((packed)) v1;
+ struct {
+ __u32 flags;
+ } __attribute__((packed)) v2;
+} __attribute__((packed));
+
+/*
+ * IMA buffer setup data information from the previous kernel during kexec
+ */
+struct ima_setup_data {
+ __u64 addr;
+ __u64 size;
+} __attribute__((packed));
+
+/*
+ * Locations of kexec handover metadata
+ */
+struct kho_data {
+ __u64 fdt_addr;
+ __u64 fdt_size;
+ __u64 scratch_addr;
+ __u64 scratch_size;
+} __attribute__((packed));
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* _ASM_X86_SETUP_DATA_H */