linux-kernel - [PATCH 18/23] xenbus: Xen paravirtualised PCI hotplug support.

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Date:	Tue, 12 Oct 2010 11:44:26 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	linux-kernel@...r.kernel.org
Cc:	Jan Beulich <JBeulich@...ell.com>, xen-devel@...ts.xensource.com,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Konrad Rzeszutek Wilk <konrad@...nel.org>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	Yosuke Iwamatsu <y-iwamatsu@...nok.org>,
	Noboru Iwamatsu <n_iwamatsu@...fujitsu.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
	Yosuke Iwamatsu <y-iwamatsu@...jp.nec.com>
Subject: [PATCH 18/23] xenbus: Xen paravirtualised PCI hotplug support.

From: Yosuke Iwamatsu <y-iwamatsu@...nok.org>

The Xen PCI front driver adds two new states that are utilizez
for PCI hotplug support. This is a patch pulled from the
linux-2.6-xen-sparse tree.

Signed-off-by: Noboru Iwamatsu <n_iwamatsu@...fujitsu.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
Signed-off-by: Yosuke Iwamatsu <y-iwamatsu@...jp.nec.com>
---
 drivers/xen/xenbus/xenbus_client.c |    2 ++
 include/xen/interface/io/xenbus.h  |    8 +++++++-
 2 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c
index 7e49527..cdacf92 100644
--- a/drivers/xen/xenbus/xenbus_client.c
+++ b/drivers/xen/xenbus/xenbus_client.c
@@ -50,6 +50,8 @@ const char *xenbus_strstate(enum xenbus_state state)
 		[ XenbusStateConnected    ] = "Connected",
 		[ XenbusStateClosing      ] = "Closing",
 		[ XenbusStateClosed	  ] = "Closed",
+		[XenbusStateReconfiguring] = "Reconfiguring",
+		[XenbusStateReconfigured] = "Reconfigured",
 	};
 	return (state < ARRAY_SIZE(name)) ? name[state] : "INVALID";
 }
diff --git a/include/xen/interface/io/xenbus.h b/include/xen/interface/io/xenbus.h
index 46508c7..9fda532 100644
--- a/include/xen/interface/io/xenbus.h
+++ b/include/xen/interface/io/xenbus.h
@@ -27,8 +27,14 @@ enum xenbus_state
 	XenbusStateClosing      = 5,  /* The device is being closed
 					 due to an error or an unplug
 					 event. */
-	XenbusStateClosed       = 6
+	XenbusStateClosed       = 6,
 
+	/*
+	* Reconfiguring: The device is being reconfigured.
+	*/
+	XenbusStateReconfiguring = 7,
+
+	XenbusStateReconfigured  = 8
 };
 
 #endif /* _XEN_PUBLIC_IO_XENBUS_H */
-- 
1.7.0.4

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