1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright IBM Corp. 2007 5 * 6 * Authors: 7 * Anthony Liguori <aliguori@us.ibm.com> 8 * 9 * This header is BSD licensed so anyone can use the definitions to implement 10 * compatible drivers/servers. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of IBM nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef _VIRTIO_PCI_VAR_H 37 #define _VIRTIO_PCI_VAR_H 38 39 /* VirtIO PCI vendor/device ID. */ 40 #define VIRTIO_PCI_VENDORID 0x1AF4 41 #define VIRTIO_PCI_DEVICEID_MIN 0x1000 42 #define VIRTIO_PCI_DEVICEID_LEGACY_MAX 0x103F 43 #define VIRTIO_PCI_DEVICEID_MODERN_MIN 0x1040 44 #define VIRTIO_PCI_DEVICEID_MODERN_MAX 0x107F 45 46 /* The bit of the ISR which indicates a device has an interrupt. */ 47 #define VIRTIO_PCI_ISR_INTR 0x1 48 /* The bit of the ISR which indicates a device configuration change. */ 49 #define VIRTIO_PCI_ISR_CONFIG 0x2 50 /* Vector value used to disable MSI for queue. */ 51 #define VIRTIO_MSI_NO_VECTOR 0xFFFF 52 53 #endif /* _VIRTIO_PCI_VAR_H */ 54