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authorThomas Gleixner <tglx@linutronix.de>2011-02-05 20:08:54 +0000
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-03-03 12:00:29 -0500
commitc9e265e030537167c94cbed190826f02e3887f4d (patch)
tree232450d4fb3c5d540ca701362d9127b05ea19518 /drivers/xen
parent149f256f8ca690c28dd8aa9fb8bcdaf2e93b1e1c (diff)
downloadop-kernel-dev-c9e265e030537167c94cbed190826f02e3887f4d.zip
op-kernel-dev-c9e265e030537167c94cbed190826f02e3887f4d.tar.gz
xen: Switch to new irq_chip functions
Convert Xen to the new irq_chip functions. Brings us closer to enable CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/events.c95
1 files changed, 51 insertions, 44 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index c8826b5..cf1712f 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -277,7 +277,7 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
BUG_ON(irq == -1);
#ifdef CONFIG_SMP
- cpumask_copy(irq_to_desc(irq)->affinity, cpumask_of(cpu));
+ cpumask_copy(irq_to_desc(irq)->irq_data.affinity, cpumask_of(cpu));
#endif
clear_bit(chn, cpu_evtchn_mask(cpu_from_irq(irq)));
@@ -294,7 +294,7 @@ static void init_evtchn_cpu_bindings(void)
/* By default all event channels notify CPU#0. */
for_each_irq_desc(i, desc) {
- cpumask_copy(desc->affinity, cpumask_of(0));
+ cpumask_copy(desc->irq_data.affinity, cpumask_of(0));
}
#endif
@@ -474,7 +474,7 @@ static bool probing_irq(int irq)
return desc && desc->action == NULL;
}
-static unsigned int startup_pirq(unsigned int irq)
+static unsigned int __startup_pirq(unsigned int irq)
{
struct evtchn_bind_pirq bind_pirq;
struct irq_info *info = info_for_irq(irq);
@@ -512,9 +512,15 @@ out:
return 0;
}
-static void shutdown_pirq(unsigned int irq)
+static unsigned int startup_pirq(struct irq_data *data)
+{
+ return __startup_pirq(data->irq);
+}
+
+static void shutdown_pirq(struct irq_data *data)
{
struct evtchn_close close;
+ unsigned int irq = data->irq;
struct irq_info *info = info_for_irq(irq);
int evtchn = evtchn_from_irq(irq);
@@ -534,20 +540,20 @@ static void shutdown_pirq(unsigned int irq)
info->evtchn = 0;
}
-static void enable_pirq(unsigned int irq)
+static void enable_pirq(struct irq_data *data)
{
- startup_pirq(irq);
+ startup_pirq(data);
}
-static void disable_pirq(unsigned int irq)
+static void disable_pirq(struct irq_data *data)
{
}
-static void ack_pirq(unsigned int irq)
+static void ack_pirq(struct irq_data *data)
{
- int evtchn = evtchn_from_irq(irq);
+ int evtchn = evtchn_from_irq(data->irq);
- move_native_irq(irq);
+ irq_move_irq(data);
if (VALID_EVTCHN(evtchn)) {
mask_evtchn(evtchn);
@@ -1215,11 +1221,12 @@ static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
return 0;
}
-static int set_affinity_irq(unsigned irq, const struct cpumask *dest)
+static int set_affinity_irq(struct irq_data *data, const struct cpumask *dest,
+ bool force)
{
unsigned tcpu = cpumask_first(dest);
- return rebind_irq_to_cpu(irq, tcpu);
+ return rebind_irq_to_cpu(data->irq, tcpu);
}
int resend_irq_on_evtchn(unsigned int irq)
@@ -1238,35 +1245,35 @@ int resend_irq_on_evtchn(unsigned int irq)
return 1;
}
-static void enable_dynirq(unsigned int irq)
+static void enable_dynirq(struct irq_data *data)
{
- int evtchn = evtchn_from_irq(irq);
+ int evtchn = evtchn_from_irq(data->irq);
if (VALID_EVTCHN(evtchn))
unmask_evtchn(evtchn);
}
-static void disable_dynirq(unsigned int irq)
+static void disable_dynirq(struct irq_data *data)
{
- int evtchn = evtchn_from_irq(irq);
+ int evtchn = evtchn_from_irq(data->irq);
if (VALID_EVTCHN(evtchn))
mask_evtchn(evtchn);
}
-static void ack_dynirq(unsigned int irq)
+static void ack_dynirq(struct irq_data *data)
{
- int evtchn = evtchn_from_irq(irq);
+ int evtchn = evtchn_from_irq(data->irq);
- move_masked_irq(irq);
+ move_masked_irq(data->irq);
if (VALID_EVTCHN(evtchn))
unmask_evtchn(evtchn);
}
-static int retrigger_dynirq(unsigned int irq)
+static int retrigger_dynirq(struct irq_data *data)
{
- int evtchn = evtchn_from_irq(irq);
+ int evtchn = evtchn_from_irq(data->irq);
struct shared_info *sh = HYPERVISOR_shared_info;
int ret = 0;
@@ -1315,7 +1322,7 @@ static void restore_cpu_pirqs(void)
printk(KERN_DEBUG "xen: --> irq=%d, pirq=%d\n", irq, map_irq.pirq);
- startup_pirq(irq);
+ __startup_pirq(irq);
}
}
@@ -1467,44 +1474,44 @@ void xen_irq_resume(void)
}
static struct irq_chip xen_dynamic_chip __read_mostly = {
- .name = "xen-dyn",
+ .name = "xen-dyn",
- .disable = disable_dynirq,
- .mask = disable_dynirq,
- .unmask = enable_dynirq,
+ .irq_disable = disable_dynirq,
+ .irq_mask = disable_dynirq,
+ .irq_unmask = enable_dynirq,
- .eoi = ack_dynirq,
- .set_affinity = set_affinity_irq,
- .retrigger = retrigger_dynirq,
+ .irq_eoi = ack_dynirq,
+ .irq_set_affinity = set_affinity_irq,
+ .irq_retrigger = retrigger_dynirq,
};
static struct irq_chip xen_pirq_chip __read_mostly = {
- .name = "xen-pirq",
+ .name = "xen-pirq",
- .startup = startup_pirq,
- .shutdown = shutdown_pirq,
+ .irq_startup = startup_pirq,
+ .irq_shutdown = shutdown_pirq,
- .enable = enable_pirq,
- .unmask = enable_pirq,
+ .irq_enable = enable_pirq,
+ .irq_unmask = enable_pirq,
- .disable = disable_pirq,
- .mask = disable_pirq,
+ .irq_disable = disable_pirq,
+ .irq_mask = disable_pirq,
- .ack = ack_pirq,
+ .irq_ack = ack_pirq,
- .set_affinity = set_affinity_irq,
+ .irq_set_affinity = set_affinity_irq,
- .retrigger = retrigger_dynirq,
+ .irq_retrigger = retrigger_dynirq,
};
static struct irq_chip xen_percpu_chip __read_mostly = {
- .name = "xen-percpu",
+ .name = "xen-percpu",
- .disable = disable_dynirq,
- .mask = disable_dynirq,
- .unmask = enable_dynirq,
+ .irq_disable = disable_dynirq,
+ .irq_mask = disable_dynirq,
+ .irq_unmask = enable_dynirq,
- .ack = ack_dynirq,
+ .irq_ack = ack_dynirq,
};
int xen_set_callback_via(uint64_t via)
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