X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=lib%2Flibrte_power%2Fguest_channel.h;fp=lib%2Flibrte_power%2Fguest_channel.h;h=9e18af523d34fa49ebbbcf48dae77e04918ace8d;hb=97f17497d162afdb82c8704bf097f0fee3724b2e;hp=0000000000000000000000000000000000000000;hpb=e04be89c2409570e0055b2cda60bd11395bb93b0;p=deb_dpdk.git

diff --git a/lib/librte_power/guest_channel.h b/lib/librte_power/guest_channel.h
new file mode 100644
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+++ b/lib/librte_power/guest_channel.h
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+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef _GUEST_CHANNEL_H
+#define _GUEST_CHANNEL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <channel_commands.h>
+
+/**
+ * Connect to the Virtio-Serial VM end-point located in path. It is
+ * thread safe for unique lcore_ids. This function must be only called once from
+ * each lcore.
+ *
+ * @param path
+ *  The path to the serial device on the filesystem
+ * @param lcore_id
+ *  lcore_id.
+ *
+ * @return
+ *  - 0 on success.
+ *  - Negative on error.
+ */
+int guest_channel_host_connect(const char *path, unsigned lcore_id);
+
+/**
+ * Disconnect from an already connected Virtio-Serial Endpoint.
+ *
+ *
+ * @param lcore_id
+ *  lcore_id.
+ *
+ */
+void guest_channel_host_disconnect(unsigned lcore_id);
+
+/**
+ * Send a message contained in pkt over the Virtio-Serial to the host endpoint.
+ *
+ * @param pkt
+ *  Pointer to a populated struct guest_agent_pkt
+ *
+ * @param lcore_id
+ *  lcore_id.
+ *
+ * @return
+ *  - 0 on success.
+ *  - Negative on channel not connected.
+ *  - errno on write to channel error.
+ */
+int guest_channel_send_msg(struct channel_packet *pkt, unsigned lcore_id);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif