add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/arch/um/include/shared/os.h
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@@ -1,8 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0 */
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 /*
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  * Copyright (C) 2015 Anton Ivanov (aivanov@{brocade.com,kot-begemot.co.uk})
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  * Copyright (C) 2015 Thomas Meyer (thomas@m3y3r.de)
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  * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
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- * Licensed under the GPL
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  */
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 #ifndef __OS_H__
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@@ -35,6 +35,8 @@
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 #else
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 #define OS_LIB_PATH	"/usr/lib/"
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 #endif
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+
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+#define OS_SENDMSG_MAX_FDS 8
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 /*
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  * types taken from stat_file() in hostfs_user.c
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@@ -148,7 +150,7 @@
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 extern int os_file_size(const char *file, unsigned long long *size_out);
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 extern int os_pread_file(int fd, void *buf, int len, unsigned long long offset);
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 extern int os_pwrite_file(int fd, const void *buf, int count, unsigned long long offset);
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-extern int os_file_modtime(const char *file, unsigned long *modtime);
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+extern int os_file_modtime(const char *file, long long *modtime);
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 extern int os_pipe(int *fd, int stream, int close_on_exec);
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 extern int os_set_fd_async(int fd);
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 extern int os_clear_fd_async(int fd);
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@@ -175,6 +177,11 @@
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 extern unsigned os_major(unsigned long long dev);
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 extern unsigned os_minor(unsigned long long dev);
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 extern unsigned long long os_makedev(unsigned major, unsigned minor);
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+extern int os_falloc_punch(int fd, unsigned long long offset, int count);
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+extern int os_eventfd(unsigned int initval, int flags);
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+extern int os_sendmsg_fds(int fd, const void *buf, unsigned int len,
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+			  const int *fds, unsigned int fds_num);
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+int os_poll(unsigned int n, const int *fds);
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 /* start_up.c */
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 extern void os_early_checks(void);
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@@ -231,8 +238,10 @@
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 extern void unblock_signals(void);
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 extern int get_signals(void);
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 extern int set_signals(int enable);
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+extern int set_signals_trace(int enable);
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 extern int os_is_signal_stack(void);
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 extern void deliver_alarm(void);
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+extern void register_pm_wake_signal(void);
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 /* util.c */
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 extern void stack_protections(unsigned long address);
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@@ -249,15 +258,13 @@
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 /* time.c */
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 extern void os_idle_sleep(unsigned long long nsecs);
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-extern int os_timer_create(void* timer);
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-extern int os_timer_set_interval(void* timer, void* its);
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-extern int os_timer_one_shot(int ticks);
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-extern long long os_timer_disable(void);
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-extern long os_timer_remain(void* timer);
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+extern int os_timer_create(void);
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+extern int os_timer_set_interval(unsigned long long nsecs);
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+extern int os_timer_one_shot(unsigned long long nsecs);
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+extern void os_timer_disable(void);
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 extern void uml_idle_timer(void);
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 extern long long os_persistent_clock_emulation(void);
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 extern long long os_nsecs(void);
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-extern long long os_vnsecs(void);
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 /* skas/mem.c */
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 extern long run_syscall_stub(struct mm_id * mm_idp,
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@@ -318,4 +325,10 @@
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 long syscall(long number, ...);
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+/* irqflags tracing */
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+extern void block_signals_trace(void);
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+extern void unblock_signals_trace(void);
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+extern void um_trace_signals_on(void);
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+extern void um_trace_signals_off(void);
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+
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 #endif