From: Stefano Stabellini <sstabellini@kernel.org>
To: xen-devel@lists.xen.org
Cc: linux-kernel@vger.kernel.org, sstabellini@kernel.org,
jgross@suse.com, boris.ostrovsky@oracle.com,
Stefano Stabellini <stefano@aporeto.com>
Subject: [PATCH v6 02/18] xen/pvcalls: introduce the pvcalls xenbus backend
Date: Mon, 3 Jul 2017 14:08:23 -0700 [thread overview]
Message-ID: <1499116119-15638-2-git-send-email-sstabellini@kernel.org> (raw)
In-Reply-To: <1499116119-15638-1-git-send-email-sstabellini@kernel.org>
Introduce a xenbus backend for the pvcalls protocol, as defined by
https://xenbits.xen.org/docs/unstable/misc/pvcalls.html.
This patch only adds the stubs, the code will be added by the following
patches.
Signed-off-by: Stefano Stabellini <stefano@aporeto.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
CC: boris.ostrovsky@oracle.com
CC: jgross@suse.com
---
drivers/xen/pvcalls-back.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 61 insertions(+)
create mode 100644 drivers/xen/pvcalls-back.c
diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
new file mode 100644
index 0000000..f3d0daa
--- /dev/null
+++ b/drivers/xen/pvcalls-back.c
@@ -0,0 +1,61 @@
+/*
+ * (c) 2017 Stefano Stabellini <stefano@aporeto.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kthread.h>
+#include <linux/list.h>
+#include <linux/radix-tree.h>
+#include <linux/module.h>
+#include <linux/semaphore.h>
+#include <linux/wait.h>
+
+#include <xen/events.h>
+#include <xen/grant_table.h>
+#include <xen/xen.h>
+#include <xen/xenbus.h>
+#include <xen/interface/io/pvcalls.h>
+
+static int pvcalls_back_probe(struct xenbus_device *dev,
+ const struct xenbus_device_id *id)
+{
+ return 0;
+}
+
+static void pvcalls_back_changed(struct xenbus_device *dev,
+ enum xenbus_state frontend_state)
+{
+}
+
+static int pvcalls_back_remove(struct xenbus_device *dev)
+{
+ return 0;
+}
+
+static int pvcalls_back_uevent(struct xenbus_device *xdev,
+ struct kobj_uevent_env *env)
+{
+ return 0;
+}
+
+static const struct xenbus_device_id pvcalls_back_ids[] = {
+ { "pvcalls" },
+ { "" }
+};
+
+static struct xenbus_driver pvcalls_back_driver = {
+ .ids = pvcalls_back_ids,
+ .probe = pvcalls_back_probe,
+ .remove = pvcalls_back_remove,
+ .uevent = pvcalls_back_uevent,
+ .otherend_changed = pvcalls_back_changed,
+};
--
1.9.1
next prev parent reply other threads:[~2017-07-03 21:08 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-03 21:08 [PATCH v6 00/18] introduce the Xen PV Calls backend Stefano Stabellini
2017-07-03 21:08 ` [PATCH v6 01/18] xen: introduce the pvcalls interface header Stefano Stabellini
2017-07-03 21:08 ` Stefano Stabellini [this message]
2017-07-04 8:04 ` [PATCH v6 02/18] xen/pvcalls: introduce the pvcalls xenbus backend Juergen Gross
2017-07-03 21:08 ` [PATCH v6 03/18] xen/pvcalls: initialize the module and register the " Stefano Stabellini
2017-07-04 8:04 ` Juergen Gross
2017-07-03 21:08 ` [PATCH v6 04/18] xen/pvcalls: xenbus state handling Stefano Stabellini
2017-07-04 8:03 ` Juergen Gross
2017-07-05 20:24 ` Stefano Stabellini
2017-07-03 21:08 ` [PATCH v6 05/18] xen/pvcalls: connect to a frontend Stefano Stabellini
2017-07-04 6:59 ` Juergen Gross
2017-07-05 20:29 ` Stefano Stabellini
2017-07-03 21:08 ` [PATCH v6 06/18] xen/pvcalls: handle commands from the frontend Stefano Stabellini
2017-07-04 6:57 ` Juergen Gross
2017-07-05 20:43 ` Stefano Stabellini
2017-07-03 21:08 ` [PATCH v6 07/18] xen/pvcalls: implement socket command Stefano Stabellini
2017-07-04 7:52 ` Juergen Gross
2017-07-03 21:08 ` [PATCH v6 08/18] xen/pvcalls: implement connect command Stefano Stabellini
2017-07-04 7:14 ` Juergen Gross
2017-07-05 21:09 ` Stefano Stabellini
2017-07-03 21:08 ` [PATCH v6 09/18] xen/pvcalls: implement bind command Stefano Stabellini
2017-07-04 7:24 ` Juergen Gross
2017-07-05 21:18 ` Stefano Stabellini
2017-07-03 21:08 ` [PATCH v6 10/18] xen/pvcalls: implement listen command Stefano Stabellini
2017-07-04 7:51 ` Juergen Gross
2017-07-03 21:08 ` [PATCH v6 11/18] xen/pvcalls: implement accept command Stefano Stabellini
2017-07-04 7:26 ` Juergen Gross
2017-07-03 21:08 ` [PATCH v6 12/18] xen/pvcalls: implement poll command Stefano Stabellini
2017-07-04 7:28 ` Juergen Gross
2017-07-03 21:08 ` [PATCH v6 13/18] xen/pvcalls: implement release command Stefano Stabellini
2017-07-04 7:30 ` Juergen Gross
2017-07-03 21:08 ` [PATCH v6 14/18] xen/pvcalls: disconnect and module_exit Stefano Stabellini
2017-07-04 7:32 ` Juergen Gross
2017-07-05 21:22 ` Stefano Stabellini
2017-07-03 21:08 ` [PATCH v6 15/18] xen/pvcalls: implement the ioworker functions Stefano Stabellini
2017-07-04 7:48 ` Juergen Gross
2017-07-05 21:26 ` Stefano Stabellini
2017-07-03 21:08 ` [PATCH v6 16/18] xen/pvcalls: implement read Stefano Stabellini
2017-07-04 7:36 ` Juergen Gross
2017-07-03 21:08 ` [PATCH v6 17/18] xen/pvcalls: implement write Stefano Stabellini
2017-07-04 7:49 ` Juergen Gross
2017-07-03 21:08 ` [PATCH v6 18/18] xen: introduce a Kconfig option to enable the pvcalls backend Stefano Stabellini
2017-07-04 7:50 ` Juergen Gross
2017-07-04 8:05 ` [PATCH v6 01/18] xen: introduce the pvcalls interface header Juergen Gross
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