diff options
| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2007-05-02 19:27:11 +0200 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2007-05-02 19:27:11 +0200 |
| commit | 07f3331c6bfd27a06dfb0ca9fa4f06dec6606876 (patch) | |
| tree | e68ced26e1c1bebef4c1eb75f5a4a6a1ac0d3805 /arch | |
| parent | 01a2f435564b4baab61328b4018d36464468f57b (diff) | |
[PATCH] i386: Add machine_ops interface to abstract halting and rebooting
machine_ops is an interface for the machine_* functions defined in
<linux/reboot.h>. This is intended to allow hypervisors to intercept
the reboot process, but it could be used to implement other x86
subarchtecture reboots.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/i386/kernel/apm.c | 3 | ||||
| -rw-r--r-- | arch/i386/kernel/reboot.c | 43 |
2 files changed, 39 insertions, 7 deletions
diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c index 4d073d39071..367ff1d930c 100644 --- a/arch/i386/kernel/apm.c +++ b/arch/i386/kernel/apm.c @@ -233,11 +233,10 @@ #include <asm/desc.h> #include <asm/i8253.h> #include <asm/paravirt.h> +#include <asm/reboot.h> #include "io_ports.h" -extern void machine_real_restart(unsigned char *, int); - #if defined(CONFIG_APM_DISPLAY_BLANK) && defined(CONFIG_VT) extern int (*console_blank_hook)(int); #endif diff --git a/arch/i386/kernel/reboot.c b/arch/i386/kernel/reboot.c index 8b5ff6e1541..14b4de2882b 100644 --- a/arch/i386/kernel/reboot.c +++ b/arch/i386/kernel/reboot.c @@ -18,6 +18,7 @@ #include <asm/desc.h> #include "mach_reboot.h" #include <asm/reboot_fixups.h> +#include <asm/reboot.h> /* * Power off function, if any @@ -280,7 +281,7 @@ void machine_real_restart(unsigned char *code, int length) EXPORT_SYMBOL(machine_real_restart); #endif -void machine_shutdown(void) +static void native_machine_shutdown(void) { #ifdef CONFIG_SMP int reboot_cpu_id; @@ -320,7 +321,7 @@ void __attribute__((weak)) mach_reboot_fixups(void) { } -void machine_emergency_restart(void) +static void native_machine_emergency_restart(void) { if (!reboot_thru_bios) { if (efi_enabled) { @@ -344,17 +345,17 @@ void machine_emergency_restart(void) machine_real_restart(jump_to_bios, sizeof(jump_to_bios)); } -void machine_restart(char * __unused) +static void native_machine_restart(char * __unused) { machine_shutdown(); machine_emergency_restart(); } -void machine_halt(void) +static void native_machine_halt(void) { } -void machine_power_off(void) +static void native_machine_power_off(void) { if (pm_power_off) { machine_shutdown(); @@ -363,3 +364,35 @@ void machine_power_off(void) } +struct machine_ops machine_ops = { + .power_off = native_machine_power_off, + .shutdown = native_machine_shutdown, + .emergency_restart = native_machine_emergency_restart, + .restart = native_machine_restart, + .halt = native_machine_halt, +}; + +void machine_power_off(void) +{ + machine_ops.power_off(); +} + +void machine_shutdown(void) +{ + machine_ops.shutdown(); +} + +void machine_emergency_restart(void) +{ + machine_ops.emergency_restart(); +} + +void machine_restart(char *cmd) +{ + machine_ops.restart(cmd); +} + +void machine_halt(void) +{ + machine_ops.halt(); +} |