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| author | Jeremy Fitzhardinge <jeremy@xensource.com> | 2007-07-17 18:37:07 -0700 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2007-07-18 08:47:45 -0700 |
| commit | fefa629abebe328cf6d07f99fe5796dbfc3e4981 (patch) | |
| tree | 81308b3c852a0fa8344fd017ebf2a7f9f19ed042 | |
| parent | 0d160211965b79de989cf2d170985abeb8da5ec6 (diff) | |
| download | op-kernel-dev-fefa629abebe328cf6d07f99fe5796dbfc3e4981.zip op-kernel-dev-fefa629abebe328cf6d07f99fe5796dbfc3e4981.tar.gz | |
xen: machine operations
Make the appropriate hypercalls to halt and reboot the virtual machine.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Acked-by: Chris Wright <chrisw@sous-sol.org>
| -rw-r--r-- | arch/i386/xen/enlighten.c | 43 | ||||
| -rw-r--r-- | arch/i386/xen/smp.c | 4 |
2 files changed, 44 insertions, 3 deletions
diff --git a/arch/i386/xen/enlighten.c b/arch/i386/xen/enlighten.c index 4275677..142e748 100644 --- a/arch/i386/xen/enlighten.c +++ b/arch/i386/xen/enlighten.c @@ -30,6 +30,7 @@ #include <xen/interface/xen.h> #include <xen/interface/physdev.h> #include <xen/interface/vcpu.h> +#include <xen/interface/sched.h> #include <xen/features.h> #include <xen/page.h> @@ -43,6 +44,7 @@ #include <asm/desc.h> #include <asm/pgtable.h> #include <asm/tlbflush.h> +#include <asm/reboot.h> #include "xen-ops.h" #include "mmu.h" @@ -900,6 +902,45 @@ static const struct smp_ops xen_smp_ops __initdata = { }; #endif /* CONFIG_SMP */ +static void xen_reboot(int reason) +{ +#ifdef CONFIG_SMP + smp_send_stop(); +#endif + + if (HYPERVISOR_sched_op(SCHEDOP_shutdown, reason)) + BUG(); +} + +static void xen_restart(char *msg) +{ + xen_reboot(SHUTDOWN_reboot); +} + +static void xen_emergency_restart(void) +{ + xen_reboot(SHUTDOWN_reboot); +} + +static void xen_machine_halt(void) +{ + xen_reboot(SHUTDOWN_poweroff); +} + +static void xen_crash_shutdown(struct pt_regs *regs) +{ + xen_reboot(SHUTDOWN_crash); +} + +static const struct machine_ops __initdata xen_machine_ops = { + .restart = xen_restart, + .halt = xen_machine_halt, + .power_off = xen_machine_halt, + .shutdown = xen_machine_halt, + .crash_shutdown = xen_crash_shutdown, + .emergency_restart = xen_emergency_restart, +}; + /* First C function to be called on Xen boot */ asmlinkage void __init xen_start_kernel(void) { @@ -912,6 +953,8 @@ asmlinkage void __init xen_start_kernel(void) /* Install Xen paravirt ops */ paravirt_ops = xen_paravirt_ops; + machine_ops = xen_machine_ops; + #ifdef CONFIG_SMP smp_ops = xen_smp_ops; #endif diff --git a/arch/i386/xen/smp.c b/arch/i386/xen/smp.c index a91587f..a620918 100644 --- a/arch/i386/xen/smp.c +++ b/arch/i386/xen/smp.c @@ -311,9 +311,7 @@ static void stop_self(void *v) void xen_smp_send_stop(void) { - cpumask_t mask = cpu_online_map; - cpu_clear(smp_processor_id(), mask); - xen_smp_call_function_mask(mask, stop_self, NULL, 0); + smp_call_function(stop_self, NULL, 0, 0); } void xen_smp_send_reschedule(int cpu) |
