# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID 1464adb95681e0e17ebb56ac5d0dc8c5a77179f7
# Parent efb346a02e704797e780dcaff9ea163059f10677
[IA64] MCA support - Add binding of virq/ipi to irq
Signed-off-by: Yutaka Ezaki <yutaka.ezaki@xxxxxxxxxxxxxx>
Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx>
Signed-off-by: Kazuhiro Suzuki <kaz@xxxxxxxxxxxxxx>
---
linux-2.6-xen-sparse/arch/ia64/kernel/irq_ia64.c | 61 +++++++++++++++++++++++
1 files changed, 61 insertions(+)
diff -r efb346a02e70 -r 1464adb95681
linux-2.6-xen-sparse/arch/ia64/kernel/irq_ia64.c
--- a/linux-2.6-xen-sparse/arch/ia64/kernel/irq_ia64.c Sun Oct 29 09:27:12
2006 -0700
+++ b/linux-2.6-xen-sparse/arch/ia64/kernel/irq_ia64.c Sun Oct 29 09:27:14
2006 -0700
@@ -241,9 +241,15 @@ static DEFINE_PER_CPU(int, timer_irq) =
static DEFINE_PER_CPU(int, timer_irq) = -1;
static DEFINE_PER_CPU(int, ipi_irq) = -1;
static DEFINE_PER_CPU(int, resched_irq) = -1;
+static DEFINE_PER_CPU(int, cmc_irq) = -1;
+static DEFINE_PER_CPU(int, cmcp_irq) = -1;
+static DEFINE_PER_CPU(int, cpep_irq) = -1;
static char timer_name[NR_CPUS][15];
static char ipi_name[NR_CPUS][15];
static char resched_name[NR_CPUS][15];
+static char cmc_name[NR_CPUS][15];
+static char cmcp_name[NR_CPUS][15];
+static char cpep_name[NR_CPUS][15];
struct saved_irq {
unsigned int irq;
@@ -323,6 +329,43 @@ xen_register_percpu_irq (unsigned int ir
break;
case IA64_SPURIOUS_INT_VECTOR:
break;
+ case IA64_CMC_VECTOR:
+ sprintf(cmc_name[cpu], "%s%d", action->name, cpu);
+ ret = bind_virq_to_irqhandler(VIRQ_MCA_CMC, cpu,
+ action->handler,
+ action->flags,
+ cmc_name[cpu],
+ action->dev_id);
+ per_cpu(cmc_irq,cpu) = ret;
+ printk(KERN_INFO "register VIRQ_MCA_CMC (%s) to xen "
+ "irq (%d)\n", cmc_name[cpu], ret);
+ break;
+ case IA64_CMCP_VECTOR:
+ sprintf(cmcp_name[cpu], "%s%d", action->name, cpu);
+ ret = bind_ipi_to_irqhandler(CMCP_VECTOR, cpu,
+ action->handler,
+ action->flags,
+ cmcp_name[cpu],
+ action->dev_id);
+ per_cpu(cmcp_irq,cpu) = ret;
+ printk(KERN_INFO "register CMCP_VECTOR (%s) to xen "
+ "irq (%d)\n", cmcp_name[cpu], ret);
+ break;
+ case IA64_CPEP_VECTOR:
+ sprintf(cpep_name[cpu], "%s%d", action->name, cpu);
+ ret = bind_ipi_to_irqhandler(CPEP_VECTOR, cpu,
+ action->handler,
+ action->flags,
+ cpep_name[cpu],
+ action->dev_id);
+ per_cpu(cpep_irq,cpu) = ret;
+ printk(KERN_INFO "register CPEP_VECTOR (%s) to xen "
+ "irq (%d)\n", cpep_name[cpu], ret);
+ break;
+ case IA64_CPE_VECTOR:
+ printk(KERN_WARNING "register IA64_CPE_VECTOR "
+ "IGNORED\n");
+ break;
default:
printk(KERN_WARNING "Percpu irq %d is unsupported by
xen!\n", irq);
break;
@@ -373,6 +416,18 @@ unbind_evtchn_callback(struct notifier_b
if (action == CPU_DEAD) {
/* Unregister evtchn. */
+ if (per_cpu(cpep_irq,cpu) >= 0) {
+ unbind_from_irqhandler(per_cpu(cpep_irq, cpu), NULL);
+ per_cpu(cpep_irq, cpu) = -1;
+ }
+ if (per_cpu(cmcp_irq,cpu) >= 0) {
+ unbind_from_irqhandler(per_cpu(cmcp_irq, cpu), NULL);
+ per_cpu(cmcp_irq, cpu) = -1;
+ }
+ if (per_cpu(cmc_irq,cpu) >= 0) {
+ unbind_from_irqhandler(per_cpu(cmc_irq, cpu), NULL);
+ per_cpu(cmc_irq, cpu) = -1;
+ }
if (per_cpu(ipi_irq,cpu) >= 0) {
unbind_from_irqhandler (per_cpu(ipi_irq, cpu), NULL);
per_cpu(ipi_irq, cpu) = -1;
@@ -503,6 +558,12 @@ ia64_send_ipi (int cpu, int vector, int
case IA64_IPI_RESCHEDULE:
irq = per_cpu(ipi_to_irq, cpu)[RESCHEDULE_VECTOR];
break;
+ case IA64_CMCP_VECTOR:
+ irq = per_cpu(ipi_to_irq, cpu)[CMCP_VECTOR];
+ break;
+ case IA64_CPEP_VECTOR:
+ irq = per_cpu(ipi_to_irq, cpu)[CPEP_VECTOR];
+ break;
default:
printk(KERN_WARNING"Unsupported IPI type 0x%x\n",
vector);
irq = 0;
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