ia64/xen-unstable

changeset 12449:1464adb95681

[IA64] MCA support - Add binding of virq/ipi to irq

Signed-off-by: Yutaka Ezaki <yutaka.ezaki@jp.fujitsu.com>
Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>
Signed-off-by: Kazuhiro Suzuki <kaz@jp.fujitsu.com>
author awilliam@xenbuild.aw
date Sun Oct 29 09:27:14 2006 -0700 (2006-10-29)
parents efb346a02e70
children 6384ff711405
files linux-2.6-xen-sparse/arch/ia64/kernel/irq_ia64.c
line diff
     1.1 --- a/linux-2.6-xen-sparse/arch/ia64/kernel/irq_ia64.c	Sun Oct 29 09:27:12 2006 -0700
     1.2 +++ b/linux-2.6-xen-sparse/arch/ia64/kernel/irq_ia64.c	Sun Oct 29 09:27:14 2006 -0700
     1.3 @@ -241,9 +241,15 @@ static struct irqaction ipi_irqaction = 
     1.4  static DEFINE_PER_CPU(int, timer_irq) = -1;
     1.5  static DEFINE_PER_CPU(int, ipi_irq) = -1;
     1.6  static DEFINE_PER_CPU(int, resched_irq) = -1;
     1.7 +static DEFINE_PER_CPU(int, cmc_irq) = -1;
     1.8 +static DEFINE_PER_CPU(int, cmcp_irq) = -1;
     1.9 +static DEFINE_PER_CPU(int, cpep_irq) = -1;
    1.10  static char timer_name[NR_CPUS][15];
    1.11  static char ipi_name[NR_CPUS][15];
    1.12  static char resched_name[NR_CPUS][15];
    1.13 +static char cmc_name[NR_CPUS][15];
    1.14 +static char cmcp_name[NR_CPUS][15];
    1.15 +static char cpep_name[NR_CPUS][15];
    1.16  
    1.17  struct saved_irq {
    1.18  	unsigned int irq;
    1.19 @@ -323,6 +329,43 @@ xen_register_percpu_irq (unsigned int ir
    1.20  			break;
    1.21  		case IA64_SPURIOUS_INT_VECTOR:
    1.22  			break;
    1.23 +		case IA64_CMC_VECTOR:
    1.24 +			sprintf(cmc_name[cpu], "%s%d", action->name, cpu);
    1.25 +			ret = bind_virq_to_irqhandler(VIRQ_MCA_CMC, cpu,
    1.26 +			                              action->handler,
    1.27 +			                              action->flags,
    1.28 +			                              cmc_name[cpu],
    1.29 +			                              action->dev_id);
    1.30 +			per_cpu(cmc_irq,cpu) = ret;
    1.31 +			printk(KERN_INFO "register VIRQ_MCA_CMC (%s) to xen "
    1.32 +			       "irq (%d)\n", cmc_name[cpu], ret);
    1.33 +			break;
    1.34 +		case IA64_CMCP_VECTOR:
    1.35 +			sprintf(cmcp_name[cpu], "%s%d", action->name, cpu);
    1.36 +			ret = bind_ipi_to_irqhandler(CMCP_VECTOR, cpu,
    1.37 +			                             action->handler,
    1.38 +			                             action->flags,
    1.39 +			                             cmcp_name[cpu],
    1.40 +			                             action->dev_id);
    1.41 +			per_cpu(cmcp_irq,cpu) = ret;
    1.42 +			printk(KERN_INFO "register CMCP_VECTOR (%s) to xen "
    1.43 +			       "irq (%d)\n", cmcp_name[cpu], ret);
    1.44 +			break;
    1.45 +		case IA64_CPEP_VECTOR:
    1.46 +			sprintf(cpep_name[cpu], "%s%d", action->name, cpu);
    1.47 +			ret = bind_ipi_to_irqhandler(CPEP_VECTOR, cpu,
    1.48 +			                             action->handler,
    1.49 +			                             action->flags,
    1.50 +			                             cpep_name[cpu],
    1.51 +			                             action->dev_id);
    1.52 +			per_cpu(cpep_irq,cpu) = ret;
    1.53 +			printk(KERN_INFO "register CPEP_VECTOR (%s) to xen "
    1.54 +			       "irq (%d)\n", cpep_name[cpu], ret);
    1.55 +			break;
    1.56 +		case IA64_CPE_VECTOR:
    1.57 +			printk(KERN_WARNING "register IA64_CPE_VECTOR "
    1.58 +			       "IGNORED\n");
    1.59 +			break;
    1.60  		default:
    1.61  			printk(KERN_WARNING "Percpu irq %d is unsupported by xen!\n", irq);
    1.62  			break;
    1.63 @@ -373,6 +416,18 @@ unbind_evtchn_callback(struct notifier_b
    1.64  
    1.65  	if (action == CPU_DEAD) {
    1.66  		/* Unregister evtchn.  */
    1.67 +		if (per_cpu(cpep_irq,cpu) >= 0) {
    1.68 +			unbind_from_irqhandler(per_cpu(cpep_irq, cpu), NULL);
    1.69 +			per_cpu(cpep_irq, cpu) = -1;
    1.70 +		}
    1.71 +		if (per_cpu(cmcp_irq,cpu) >= 0) {
    1.72 +			unbind_from_irqhandler(per_cpu(cmcp_irq, cpu), NULL);
    1.73 +			per_cpu(cmcp_irq, cpu) = -1;
    1.74 +		}
    1.75 +		if (per_cpu(cmc_irq,cpu) >= 0) {
    1.76 +			unbind_from_irqhandler(per_cpu(cmc_irq, cpu), NULL);
    1.77 +			per_cpu(cmc_irq, cpu) = -1;
    1.78 +		}
    1.79  		if (per_cpu(ipi_irq,cpu) >= 0) {
    1.80  			unbind_from_irqhandler (per_cpu(ipi_irq, cpu), NULL);
    1.81  			per_cpu(ipi_irq, cpu) = -1;
    1.82 @@ -503,6 +558,12 @@ ia64_send_ipi (int cpu, int vector, int 
    1.83  		case IA64_IPI_RESCHEDULE:
    1.84  			irq = per_cpu(ipi_to_irq, cpu)[RESCHEDULE_VECTOR];
    1.85  			break;
    1.86 +		case IA64_CMCP_VECTOR:
    1.87 +			irq = per_cpu(ipi_to_irq, cpu)[CMCP_VECTOR];
    1.88 +			break;
    1.89 +		case IA64_CPEP_VECTOR:
    1.90 +			irq = per_cpu(ipi_to_irq, cpu)[CPEP_VECTOR];
    1.91 +			break;
    1.92  		default:
    1.93  			printk(KERN_WARNING"Unsupported IPI type 0x%x\n", vector);
    1.94  			irq = 0;