diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-power.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-wrappers.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/smp.c | 14 |
3 files changed, 16 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-power.c b/arch/powerpc/platforms/powernv/opal-power.c index 48bf5b080bcf..ac46c2c24f99 100644 --- a/arch/powerpc/platforms/powernv/opal-power.c +++ b/arch/powerpc/platforms/powernv/opal-power.c @@ -29,8 +29,9 @@ static int opal_power_control_event(struct notifier_block *nb, switch (type) { case SOFT_REBOOT: - /* Fall through. The service processor is responsible for - * bringing the machine back up */ + pr_info("OPAL: reboot requested\n"); + orderly_reboot(); + break; case SOFT_OFF: pr_info("OPAL: poweroff requested\n"); orderly_poweroff(true); diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index 4e740375772c..a7ade94cdf87 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -9,11 +9,11 @@ * 2 of the License, or (at your option) any later version. */ +#include <linux/jump_label.h> #include <asm/ppc_asm.h> #include <asm/hvcall.h> #include <asm/asm-offsets.h> #include <asm/opal.h> -#include <asm/jump_label.h> .section ".text" diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c index 273d7b46f72a..8f70ba681a78 100644 --- a/arch/powerpc/platforms/powernv/smp.c +++ b/arch/powerpc/platforms/powernv/smp.c @@ -32,6 +32,8 @@ #include <asm/runlatch.h> #include <asm/code-patching.h> #include <asm/dbell.h> +#include <asm/kvm_ppc.h> +#include <asm/ppc-opcode.h> #include "powernv.h" @@ -148,7 +150,7 @@ static int pnv_smp_cpu_disable(void) static void pnv_smp_cpu_kill_self(void) { unsigned int cpu; - unsigned long srr1; + unsigned long srr1, wmask; u32 idle_states; /* Standard hot unplug procedure */ @@ -160,6 +162,10 @@ static void pnv_smp_cpu_kill_self(void) generic_set_cpu_dead(cpu); smp_wmb(); + wmask = SRR1_WAKEMASK; + if (cpu_has_feature(CPU_FTR_ARCH_207S)) + wmask = SRR1_WAKEMASK_P8; + idle_states = pnv_get_supported_cpuidle_states(); /* We don't want to take decrementer interrupts while we are offline, * so clear LPCR:PECE1. We keep PECE2 enabled. @@ -190,10 +196,14 @@ static void pnv_smp_cpu_kill_self(void) * having finished executing in a KVM guest, then srr1 * contains 0. */ - if ((srr1 & SRR1_WAKEMASK) == SRR1_WAKEEE) { + if ((srr1 & wmask) == SRR1_WAKEEE) { icp_native_flush_interrupt(); local_paca->irq_happened &= PACA_IRQ_HARD_DIS; smp_mb(); + } else if ((srr1 & wmask) == SRR1_WAKEHDBELL) { + unsigned long msg = PPC_DBELL_TYPE(PPC_DBELL_SERVER); + asm volatile(PPC_MSGCLR(%0) : : "r" (msg)); + kvmppc_set_host_ipi(cpu, 0); } if (cpu_core_split_required()) |