linux_dsm_epyc7002/arch/um/include/shared/kern_util.h
Alex Dewar f2f4bf5aab um: Add SPDX headers for files in arch/um/include
Convert files to use SPDX header. All files are licensed under the GPLv2.

Signed-off-by: Alex Dewar <alex.dewar@gmx.co.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
2019-09-15 21:37:17 +02:00

71 lines
2.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*/
#ifndef __KERN_UTIL_H__
#define __KERN_UTIL_H__
#include <sysdep/ptrace.h>
#include <sysdep/faultinfo.h>
struct siginfo;
extern int uml_exitcode;
extern int ncpus;
extern int kmalloc_ok;
#define UML_ROUND_UP(addr) \
((((unsigned long) addr) + PAGE_SIZE - 1) & PAGE_MASK)
extern unsigned long alloc_stack(int order, int atomic);
extern void free_stack(unsigned long stack, int order);
struct pt_regs;
extern void do_signal(struct pt_regs *regs);
extern void interrupt_end(void);
extern void relay_signal(int sig, struct siginfo *si, struct uml_pt_regs *regs);
extern unsigned long segv(struct faultinfo fi, unsigned long ip,
int is_user, struct uml_pt_regs *regs);
extern int handle_page_fault(unsigned long address, unsigned long ip,
int is_write, int is_user, int *code_out);
extern unsigned int do_IRQ(int irq, struct uml_pt_regs *regs);
extern int smp_sigio_handler(void);
extern void initial_thread_cb(void (*proc)(void *), void *arg);
extern int is_syscall(unsigned long addr);
extern void timer_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
extern int start_uml(void);
extern void paging_init(void);
extern void uml_cleanup(void);
extern void do_uml_exitcalls(void);
/*
* Are we disallowed to sleep? Used to choose between GFP_KERNEL and
* GFP_ATOMIC.
*/
extern int __cant_sleep(void);
extern int get_current_pid(void);
extern int copy_from_user_proc(void *to, void *from, int size);
extern int cpu(void);
extern char *uml_strdup(const char *string);
extern unsigned long to_irq_stack(unsigned long *mask_out);
extern unsigned long from_irq_stack(int nested);
extern void syscall_trace(struct uml_pt_regs *regs, int entryexit);
extern int singlestepping(void *t);
extern void segv_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
extern void bus_handler(int sig, struct siginfo *si, struct uml_pt_regs *regs);
extern void winch(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
extern void fatal_sigsegv(void) __attribute__ ((noreturn));
#endif