Adding upstream version 1:2.0.27.upstream/1%2.0.27upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 188 insertions, 0 deletions

diff --git a/kexec/kexec-syscall.h b/kexec/kexec-syscall.h
new file mode 100644
index 0000000..1e2d12f
--- /dev/null
+++ b/kexec/kexec-syscall.h
@@ -0,0 +1,188 @@
+#ifndef KEXEC_SYSCALL_H
+#define KEXEC_SYSCALL_H
+
+#define __LIBRARY__
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#define LINUX_REBOOT_CMD_KEXEC_OLD	0x81726354
+#define LINUX_REBOOT_CMD_KEXEC_OLD2	0x18263645
+#define LINUX_REBOOT_CMD_KEXEC		0x45584543
+
+#ifndef __NR_kexec_load
+#ifdef __i386__
+#define __NR_kexec_load		283
+#endif
+#ifdef __sh__
+#define __NR_kexec_load		283
+#endif
+#ifdef __cris__
+#ifndef __NR_kexec_load
+#define __NR_kexec_load		283
+#endif
+#endif
+#ifdef __ia64__
+#define __NR_kexec_load		1268
+#endif
+#ifdef __powerpc64__
+#define __NR_kexec_load		268
+#endif
+#ifdef __powerpc__
+#define __NR_kexec_load		268
+#endif
+#ifdef __x86_64__
+#define __NR_kexec_load		246
+#endif
+#ifdef __s390x__
+#define __NR_kexec_load		277
+#endif
+#ifdef __s390__
+#define __NR_kexec_load		277
+#endif
+#ifdef __loongarch__
+#define __NR_kexec_load		104
+#endif
+#if defined(__arm__) || defined(__arm64__)
+#define __NR_kexec_load		__NR_SYSCALL_BASE + 347
+#endif
+#if defined(__mips__)
+#define __NR_kexec_load                4311
+#endif
+#ifdef __m68k__
+#define __NR_kexec_load                313
+#endif
+#ifdef __alpha__
+#define __NR_kexec_load                448
+#endif
+#ifndef __NR_kexec_load
+#error Unknown processor architecture.  Needs a kexec_load syscall number.
+#endif
+#endif /*ifndef __NR_kexec_load*/
+
+#if defined(__arm__) || defined(__loongarch__)
+#undef __NR_kexec_file_load
+#endif
+
+#ifndef __NR_kexec_file_load
+
+#ifdef __x86_64__
+#define __NR_kexec_file_load	320
+#endif
+#ifdef __powerpc64__
+#define __NR_kexec_file_load	382
+#endif
+#ifdef __s390x__
+#define __NR_kexec_file_load	381
+#endif
+#ifdef __aarch64__
+#define __NR_kexec_file_load	294
+#endif
+#ifdef __hppa__
+#define __NR_kexec_file_load	355
+#endif
+
+#ifndef __NR_kexec_file_load
+/* system call not available for the arch */
+#define __NR_kexec_file_load	0xffffffff	/* system call not available */
+#endif
+
+#endif /*ifndef __NR_kexec_file_load*/
+
+struct kexec_segment;
+
+static inline long kexec_load(void *entry, unsigned long nr_segments,
+			struct kexec_segment *segments, unsigned long flags)
+{
+	return (long) syscall(__NR_kexec_load, entry, nr_segments, segments, flags);
+}
+
+static inline int is_kexec_file_load_implemented(void) {
+	if (__NR_kexec_file_load != 0xffffffff)
+		return 1;
+	return 0;
+}
+
+static inline long kexec_file_load(int kernel_fd, int initrd_fd,
+			unsigned long cmdline_len, const char *cmdline_ptr,
+			unsigned long flags)
+{
+	return (long) syscall(__NR_kexec_file_load, kernel_fd, initrd_fd,
+				cmdline_len, cmdline_ptr, flags);
+}
+
+#define KEXEC_ON_CRASH		0x00000001
+#define KEXEC_PRESERVE_CONTEXT	0x00000002
+#define KEXEC_ARCH_MASK		0xffff0000
+
+/* Flags for kexec file based system call */
+#define KEXEC_FILE_UNLOAD	0x00000001
+#define KEXEC_FILE_ON_CRASH	0x00000002
+#define KEXEC_FILE_NO_INITRAMFS	0x00000004
+
+/* These values match the ELF architecture values. 
+ * Unless there is a good reason that should continue to be the case.
+ */
+#define KEXEC_ARCH_DEFAULT ( 0 << 16)
+#define KEXEC_ARCH_386     ( 3 << 16)
+#define KEXEC_ARCH_68K     ( 4 << 16)
+#define KEXEC_ARCH_HPPA    (15 << 16)
+#define KEXEC_ARCH_X86_64  (62 << 16)
+#define KEXEC_ARCH_PPC     (20 << 16)
+#define KEXEC_ARCH_PPC64   (21 << 16)
+#define KEXEC_ARCH_IA_64   (50 << 16)
+#define KEXEC_ARCH_ARM     (40 << 16)
+#define KEXEC_ARCH_ARM64   (183 << 16)
+#define KEXEC_ARCH_S390    (22 << 16)
+#define KEXEC_ARCH_SH      (42 << 16)
+#define KEXEC_ARCH_MIPS_LE (10 << 16)
+#define KEXEC_ARCH_MIPS    ( 8 << 16)
+#define KEXEC_ARCH_CRIS    (76 << 16)
+#define KEXEC_ARCH_LOONGARCH	(258 << 16)
+
+#define KEXEC_MAX_SEGMENTS 16
+
+#ifdef __i386__
+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_386
+#endif
+#ifdef __sh__
+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_SH
+#endif
+#ifdef __cris__
+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_CRIS
+#endif
+#ifdef __ia64__
+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_IA_64
+#endif
+#ifdef __powerpc64__
+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_PPC64
+#else
+ #ifdef __powerpc__
+ #define KEXEC_ARCH_NATIVE	KEXEC_ARCH_PPC
+ #endif
+#endif
+#ifdef __x86_64__
+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_X86_64
+#endif
+#ifdef __s390x__
+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_S390
+#endif
+#ifdef __s390__
+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_S390
+#endif
+#ifdef __arm__
+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_ARM
+#endif
+#if defined(__mips__)
+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_MIPS
+#endif
+#ifdef __m68k__
+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_68K
+#endif
+#if defined(__arm64__)
+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_ARM64
+#endif
+#if defined(__loongarch__)
+#define KEXEC_ARCH_NATIVE	KEXEC_ARCH_LOONGARCH
+#endif
+
+#endif /* KEXEC_SYSCALL_H */