diff options
author | C.J. Collier <cjcollier@linuxfoundation.org> | 2016-06-14 07:54:47 -0700 |
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committer | C.J. Collier <cjcollier@linuxfoundation.org> | 2016-06-14 07:55:43 -0700 |
commit | 5129044dce1f85ce4950f31bcf90f3886466f06a (patch) | |
tree | 1c6269614c0c15ffef8451c58ae8f8b30a1bc804 /lib/librte_power/guest_channel.h | |
parent | e04be89c2409570e0055b2cda60bd11395bb93b0 (diff) |
Imported upstream release 16.04
* gbp import-orig ../dpdk-16.04.tar.xz
Change-Id: Iac2196db782ba322f6974d8a752acc34ce5024c3
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>
Diffstat (limited to 'lib/librte_power/guest_channel.h')
-rw-r--r-- | lib/librte_power/guest_channel.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/lib/librte_power/guest_channel.h b/lib/librte_power/guest_channel.h new file mode 100644 index 00000000..9e18af52 --- /dev/null +++ b/lib/librte_power/guest_channel.h @@ -0,0 +1,89 @@ +/*- + * 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 |