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WSL2-Linux-Kernel
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xen: events: push setup of irq<->{evtchn,ipi,virq,pirq} maps into irq_info init functions 

Encapsulate setup of XXX_to_irq array in the relevant
xen_irq_info_*_init function.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Ian Campbell 2011-03-10 16:08:10 +00:00 коммит произвёл Konrad Rzeszutek Wilk
Родитель 9158c3588a
Коммит 3d4cfa3736
1 изменённых файлов: 21 добавлений и 21 удалений
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42
drivers/xen/events.c
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@ -126,6 +126,7 @@ static struct irq_info *info_for_irq(unsigned irq)
/* Constructors for packed IRQ information. */
static void xen_irq_info_common_init(struct irq_info *info,
unsigned irq,
enum xen_irq_type type,
unsigned short evtchn,
unsigned short cpu)
@ -136,6 +137,8 @@ static void xen_irq_info_common_init(struct irq_info *info,
info->type = type;
info->evtchn = evtchn;
info->cpu = cpu;
evtchn_to_irq[evtchn] = irq;
}
static void xen_irq_info_evtchn_init(unsigned irq,
@ -143,29 +146,35 @@ static void xen_irq_info_evtchn_init(unsigned irq,
{
struct irq_info *info = info_for_irq(irq);
xen_irq_info_common_init(info, IRQT_EVTCHN, evtchn, 0);
xen_irq_info_common_init(info, irq, IRQT_EVTCHN, evtchn, 0);
}
static void xen_irq_info_ipi_init(unsigned irq,
static void xen_irq_info_ipi_init(unsigned cpu,
unsigned irq,
unsigned short evtchn,
enum ipi_vector ipi)
{
struct irq_info *info = info_for_irq(irq);
xen_irq_info_common_init(info, IRQT_IPI, evtchn, 0);
xen_irq_info_common_init(info, irq, IRQT_IPI, evtchn, 0);
info->u.ipi = ipi;
per_cpu(ipi_to_irq, cpu)[ipi] = irq;
}
static void xen_irq_info_virq_init(unsigned irq,
static void xen_irq_info_virq_init(unsigned cpu,
unsigned irq,
unsigned short evtchn,
unsigned short virq)
{
struct irq_info *info = info_for_irq(irq);
xen_irq_info_common_init(info, IRQT_VIRQ, evtchn, 0);
xen_irq_info_common_init(info, irq, IRQT_VIRQ, evtchn, 0);
info->u.virq = virq;
per_cpu(virq_to_irq, cpu)[virq] = irq;
}
static void xen_irq_info_pirq_init(unsigned irq,
@ -177,12 +186,14 @@ static void xen_irq_info_pirq_init(unsigned irq,
{
struct irq_info *info = info_for_irq(irq);
xen_irq_info_common_init(info, IRQT_PIRQ, evtchn, 0);
xen_irq_info_common_init(info, irq, IRQT_PIRQ, evtchn, 0);
info->u.pirq.pirq = pirq;
info->u.pirq.gsi = gsi;
info->u.pirq.vector = vector;
info->u.pirq.flags = flags;
pirq_to_irq[pirq] = irq;
}
/*
@ -644,7 +655,6 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi,
xen_irq_info_pirq_init(irq, 0, pirq, gsi, irq_op.vector,
shareable ? PIRQ_SHAREABLE : 0);
pirq_to_irq[pirq] = irq;
out:
spin_unlock(&irq_mapping_update_lock);
@ -682,7 +692,6 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc,
handle_level_irq, name);
xen_irq_info_pirq_init(irq, 0, pirq, 0, vector, 0);
pirq_to_irq[pirq] = irq;
ret = set_irq_msi(irq, msidesc);
if (ret < 0)
goto error_irq;
@ -746,7 +755,6 @@ int bind_evtchn_to_irq(unsigned int evtchn)
set_irq_chip_and_handler_name(irq, &xen_dynamic_chip,
handle_fasteoi_irq, "event");
evtchn_to_irq[evtchn] = irq;
xen_irq_info_evtchn_init(irq, evtchn);
}
@ -779,9 +787,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu)
BUG();
evtchn = bind_ipi.port;
evtchn_to_irq[evtchn] = irq;
xen_irq_info_ipi_init(irq, evtchn, ipi);
per_cpu(ipi_to_irq, cpu)[ipi] = irq;
xen_irq_info_ipi_init(cpu, irq, evtchn, ipi);
bind_evtchn_to_cpu(evtchn, cpu);
}
@ -814,10 +820,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
BUG();
evtchn = bind_virq.port;
evtchn_to_irq[evtchn] = irq;
xen_irq_info_virq_init(irq, evtchn, virq);
per_cpu(virq_to_irq, cpu)[virq] = irq;
xen_irq_info_virq_init(cpu, irq, evtchn, virq);
bind_evtchn_to_cpu(evtchn, cpu);
}
@ -1120,7 +1123,6 @@ void rebind_evtchn_irq(int evtchn, int irq)
so there should be a proper type */
BUG_ON(info->type == IRQT_UNBOUND);
evtchn_to_irq[evtchn] = irq;
xen_irq_info_evtchn_init(irq, evtchn);
spin_unlock(&irq_mapping_update_lock);
@ -1288,8 +1290,7 @@ static void restore_cpu_virqs(unsigned int cpu)
evtchn = bind_virq.port;
/* Record the new mapping. */
evtchn_to_irq[evtchn] = irq;
xen_irq_info_virq_init(irq, evtchn, virq);
xen_irq_info_virq_init(cpu, irq, evtchn, virq);
bind_evtchn_to_cpu(evtchn, cpu);
}
}
@ -1313,8 +1314,7 @@ static void restore_cpu_ipis(unsigned int cpu)
evtchn = bind_ipi.port;
/* Record the new mapping. */
evtchn_to_irq[evtchn] = irq;
xen_irq_info_ipi_init(irq, evtchn, ipi);
xen_irq_info_ipi_init(cpu, irq, evtchn, ipi);
bind_evtchn_to_cpu(evtchn, cpu);
}
}