lib: use SPDX tag for Intel copyright files

[dpdk.git] / lib / librte_eal / linuxapp / eal / eal_vfio_mp_sync.c

diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c b/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
index fb4a2f8..9b474dc 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
@@ -1,34 +1,5 @@
-/*-
- *   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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
 #include <string.h>
@@ -49,12 +20,12 @@
 #endif
 
 #include <rte_log.h>
-#include <rte_pci.h>
 #include <rte_eal_memconfig.h>
 #include <rte_malloc.h>
+#include <rte_vfio.h>
 
 #include "eal_filesystem.h"
-#include "eal_pci_init.h"
+#include "eal_vfio.h"
 #include "eal_thread.h"
 
 /**
@@ -267,7 +238,7 @@ vfio_mp_sync_connect_to_primary(void)
 static __attribute__((noreturn)) void *
 vfio_mp_sync_thread(void __rte_unused * arg)
 {
-       int ret, fd, vfio_group_no;
+       int ret, fd, vfio_data;
 
        /* wait for requests on the socket */
        for (;;) {
@@ -301,17 +272,18 @@ vfio_mp_sync_thread(void __rte_unused * arg)
                                vfio_mp_sync_send_request(conn_sock, SOCKET_ERR);
                        else
                                vfio_mp_sync_send_fd(conn_sock, fd);
-                       close(fd);
+                       if (fd >= 0)
+                               close(fd);
                        break;
                case SOCKET_REQ_GROUP:
                        /* wait for group number */
-                       vfio_group_no = vfio_mp_sync_receive_request(conn_sock);
-                       if (vfio_group_no < 0) {
+                       vfio_data = vfio_mp_sync_receive_request(conn_sock);
+                       if (vfio_data < 0) {
                                close(conn_sock);
                                continue;
                        }
 
-                       fd = vfio_get_group_fd(vfio_group_no);
+                       fd = vfio_get_group_fd(vfio_data);
 
                        if (fd < 0)
                                vfio_mp_sync_send_request(conn_sock, SOCKET_ERR);
@@ -324,6 +296,21 @@ vfio_mp_sync_thread(void __rte_unused * arg)
                                vfio_mp_sync_send_fd(conn_sock, fd);
                        }
                        break;
+               case SOCKET_CLR_GROUP:
+                       /* wait for group fd */
+                       vfio_data = vfio_mp_sync_receive_request(conn_sock);
+                       if (vfio_data < 0) {
+                               close(conn_sock);
+                               continue;
+                       }
+
+                       ret = clear_group(vfio_data);
+
+                       if (ret < 0)
+                               vfio_mp_sync_send_request(conn_sock, SOCKET_NO_FD);
+                       else
+                               vfio_mp_sync_send_request(conn_sock, SOCKET_OK);
+                       break;
                default:
                        vfio_mp_sync_send_request(conn_sock, SOCKET_ERR);
                        break;