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| author | Bharat Bhushan <r65777@freescale.com> | 2012-06-20 05:56:53 +0000 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-07-11 17:39:36 +0200 |
| commit | 6328e593c3df5e81ad7d18a2752ef2235391e9cc (patch) | |
| tree | 601679a2c5395ce286870fe8f5aa64145c49b31f | |
| parent | 5cfc2aabcb282f4554e7086c9893b386ad6ba9d4 (diff) | |
| download | linux-6328e593c3df5e81ad7d18a2752ef2235391e9cc.tar.bz2 | |
booke/bookehv: Add host crit-watchdog exception support
Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
| -rw-r--r-- | arch/powerpc/include/asm/hw_irq.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/kvm/booke.c | 21 |
2 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index c9aac24b02e2..2aadb47efaec 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -34,6 +34,8 @@ extern void __replay_interrupt(unsigned int vector); extern void timer_interrupt(struct pt_regs *); extern void performance_monitor_exception(struct pt_regs *regs); +extern void WatchdogException(struct pt_regs *regs); +extern void unknown_exception(struct pt_regs *regs); #ifdef CONFIG_PPC64 #include <asm/paca.h> diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 86681eec60b1..d25a097c852b 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -612,6 +612,12 @@ static void kvmppc_fill_pt_regs(struct pt_regs *regs) regs->link = lr; } +/* + * For interrupts needed to be handled by host interrupt handlers, + * corresponding host handler are called from here in similar way + * (but not exact) as they are called from low level handler + * (such as from arch/powerpc/kernel/head_fsl_booke.S). + */ static void kvmppc_restart_interrupt(struct kvm_vcpu *vcpu, unsigned int exit_nr) { @@ -639,6 +645,17 @@ static void kvmppc_restart_interrupt(struct kvm_vcpu *vcpu, kvmppc_fill_pt_regs(®s); performance_monitor_exception(®s); break; + case BOOKE_INTERRUPT_WATCHDOG: + kvmppc_fill_pt_regs(®s); +#ifdef CONFIG_BOOKE_WDT + WatchdogException(®s); +#else + unknown_exception(®s); +#endif + break; + case BOOKE_INTERRUPT_CRITICAL: + unknown_exception(®s); + break; } } @@ -683,6 +700,10 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, r = RESUME_GUEST; break; + case BOOKE_INTERRUPT_WATCHDOG: + r = RESUME_GUEST; + break; + case BOOKE_INTERRUPT_DOORBELL: kvmppc_account_exit(vcpu, DBELL_EXITS); r = RESUME_GUEST; |