/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright IBM Corp. 2007 * * Authors: * Anthony Liguori * * This header is BSD licensed so anyone can use the definitions to implement * compatible drivers/servers. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. Neither the name of IBM 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 IBM 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 _VIRTIO_PCI_VAR_H #define _VIRTIO_PCI_VAR_H /* VirtIO PCI vendor/device ID. */ #define VIRTIO_PCI_VENDORID 0x1AF4 #define VIRTIO_PCI_DEVICEID_MIN 0x1000 #define VIRTIO_PCI_DEVICEID_LEGACY_MAX 0x103F #define VIRTIO_PCI_DEVICEID_MODERN_MIN 0x1040 #define VIRTIO_PCI_DEVICEID_MODERN_MAX 0x107F /* The bit of the ISR which indicates a device has an interrupt. */ #define VIRTIO_PCI_ISR_INTR 0x1 /* The bit of the ISR which indicates a device configuration change. */ #define VIRTIO_PCI_ISR_CONFIG 0x2 /* Vector value used to disable MSI for queue. */ #define VIRTIO_MSI_NO_VECTOR 0xFFFF #endif /* _VIRTIO_PCI_VAR_H */