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From: David Vrabel <david.vrabel@citrix.com>
To: xen-devel@lists.xen.org
Cc: Wei Liu <wei.liu2@citrix.com>, Keir Fraser <keir@xen.org>,
	David Vrabel <david.vrabel@citrix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: [PATCH 10/12] xen/events: add a evtchn_op for port setup
Date: Tue, 19 Mar 2013 21:04:57 +0000	[thread overview]
Message-ID: <1363727099-25519-11-git-send-email-david.vrabel@citrix.com> (raw)
In-Reply-To: <1363727099-25519-1-git-send-email-david.vrabel@citrix.com>

From: David Vrabel <david.vrabel@citrix.com>

Add a hook for port-specific setup and call it from
xen_irq_info_common_setup().

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
---
 drivers/xen/events/events.c          |    2 +-
 drivers/xen/events/events_internal.h |    8 ++++++++
 2 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/drivers/xen/events/events.c b/drivers/xen/events/events.c
index 50f8ba6..e6895b9 100644
--- a/drivers/xen/events/events.c
+++ b/drivers/xen/events/events.c
@@ -112,7 +112,7 @@ static int xen_irq_info_common_setup(struct irq_info *info,
 
 	evtchn_to_irq[evtchn] = irq;
 
-	return 0;
+	return xen_evtchn_port_setup(info);
 }
 
 static int xen_irq_info_evtchn_setup(unsigned irq,
diff --git a/drivers/xen/events/events_internal.h b/drivers/xen/events/events_internal.h
index 6badb05..1c71a5d 100644
--- a/drivers/xen/events/events_internal.h
+++ b/drivers/xen/events/events_internal.h
@@ -55,6 +55,7 @@ struct irq_info {
 #define PIRQ_SHAREABLE	(1 << 1)
 
 struct evtchn_ops {
+	int (*setup)(struct irq_info *info);
 	void (*bind_to_cpu)(struct irq_info *info, int cpu);
 
 	void (*clear_pending)(int port);
@@ -76,6 +77,13 @@ struct irq_info *info_for_irq(unsigned irq);
 unsigned cpu_from_irq(unsigned irq);
 unsigned cpu_from_evtchn(unsigned int evtchn);
 
+static inline int xen_evtchn_port_setup(struct irq_info *info)
+{
+	if (evtchn_ops.setup)
+		return evtchn_ops.setup(info);
+	return 0;
+}
+
 static inline void xen_evtchn_port_bind_to_cpu(struct irq_info *info, int cpu)
 {
 	evtchn_ops.bind_to_cpu(info, cpu);
-- 
1.7.2.5

  parent reply	other threads:[~2013-03-19 21:04 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-19 21:04 [PATCH RFC 0/12] Linux: FIFO-based event channel ABI David Vrabel
2013-03-19 21:04 ` [PATCH 01/12] xen/events: avoid race with raising an event in unmask_evtchn() David Vrabel
2013-03-19 21:04 ` [PATCH 02/12] xen/events: refactor retrigger_dynirq() and resend_irq_on_evtchn() David Vrabel
2013-03-20 11:06   ` Jan Beulich
2013-03-19 21:04 ` [PATCH 03/12] xen/events: remove unnecessary init_evtchn_cpu_bindings() David Vrabel
2013-03-20 11:09   ` Jan Beulich
2013-03-20 13:20     ` David Vrabel
2013-03-20 13:40       ` Jan Beulich
2013-03-19 21:04 ` [PATCH 04/12] xen/events: introduce test_and_set_mask David Vrabel
2013-03-19 21:04 ` [PATCH 05/12] xen/events: replace raw bit ops with functions David Vrabel
2013-03-19 21:04 ` [PATCH 06/12] xen/events: move drivers/xen/events.c into drivers/xen/events/ David Vrabel
2013-03-19 21:04 ` [PATCH 07/12] xen/events: move 2-level specific code into its own file David Vrabel
2013-03-19 21:04 ` [PATCH 08/12] xen/events: add struct evtchn_ops for the low-level port operations David Vrabel
2013-03-20 11:12   ` Jan Beulich
2013-03-19 21:04 ` [PATCH 09/12] xen/events: allow setup of irq_info to fail David Vrabel
2013-03-19 21:04 ` David Vrabel [this message]
2013-03-19 21:04 ` [PATCH 11/12] xen/events: Add the hypervisor interface for the FIFO-based event channels David Vrabel
2013-03-20 14:03   ` Wei Liu
2013-03-20 14:18     ` David Vrabel
2013-03-20 14:36       ` Wei Liu
2013-03-19 21:04 ` [PATCH 12/12] xen/events: use the FIFO-based ABI if available David Vrabel
2013-03-20  9:38   ` Roger Pau Monné
     [not found] ` <1363727099-25519-2-git-send-email-david.vrabel@citrix.com>
2013-03-20 11:00   ` [PATCH 01/12] xen/events: avoid race with raising an event in unmask_evtchn() Stefano Stabellini
     [not found]   ` <alpine.DEB.2.02.1303201052280.17662@kaball.uk.xensource.com>
2013-03-20 12:20     ` David Vrabel
2013-03-20 12:21       ` Stefano Stabellini
2013-05-06 19:51 ` [PATCH RFC 0/12] Linux: FIFO-based event channel ABI Konrad Rzeszutek Wilk
2013-05-07 12:26   ` David Vrabel

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