initial import

internal commit: 0ab1ea615e5cfbb0687a9d593a86a7b774386076

Signed-off-by: Anthony Xu <anthony.xu@intel.com>

devicemodel/include/virtio_kernel.h

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2018 Intel Corporation. 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.
+ *
+ */
+
+/* This file provides common routines to interface with VBS-K kernel modules */
+
+#ifndef _VIRTIO_KERNEL_H_
+#define _VIRTIO_KERNEL_H_
+
+#include "vbs_common_if.h"		/* data format between VBS-U & VBS-K */
+
+enum VBS_K_STATUS {
+	VIRTIO_DEV_INITIAL = 1,		/* initial status */
+	VIRTIO_DEV_PRE_INIT,		/* detected thru cmdline option */
+	VIRTIO_DEV_INIT_FAILED,		/* init failed */
+	VIRTIO_DEV_INIT_SUCCESS,	/* init success */
+	VIRTIO_DEV_START_FAILED,	/* start failed */
+	VIRTIO_DEV_STARTED,		/* start success */
+};
+
+/* Return codes */
+#define VIRTIO_SUCCESS				0
+#define VIRTIO_ERROR_REENTER			1
+#define VIRTIO_ERROR_FD_OPEN_FAILED		2
+#define VIRTIO_ERROR_MEM_ALLOC_FAILED		3
+#define VIRTIO_ERROR_START			4
+#define VIRTIO_ERROR_GENERAL			5
+
+/* VBS-K common ops */
+/* VBS-K init/reset*/
+int vbs_kernel_init(int fd);
+int vbs_kernel_reset(int fd);
+
+/* VBS-K start/stop */
+int vbs_kernel_start(int fd, struct vbs_dev_info *dev,
+		     struct vbs_vqs_info *vqs);
+int vbs_kernel_stop(int fd);
+
+#endif