Return to virtio_config.h CVS log

Up to [Qemu by Fabrice Bellard] / qemu / linux-headers / linux

Annotation of qemu/linux-headers/linux/virtio_config.h, revision 1.1

1.1     ! root        1: #ifndef _LINUX_VIRTIO_CONFIG_H
        !             2: #define _LINUX_VIRTIO_CONFIG_H
        !             3: /* This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
        !             4:  * anyone can use the definitions to implement compatible drivers/servers.
        !             5:  *
        !             6:  * Redistribution and use in source and binary forms, with or without
        !             7:  * modification, are permitted provided that the following conditions
        !             8:  * are met:
        !             9:  * 1. Redistributions of source code must retain the above copyright
        !            10:  *    notice, this list of conditions and the following disclaimer.
        !            11:  * 2. Redistributions in binary form must reproduce the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer in the
        !            13:  *    documentation and/or other materials provided with the distribution.
        !            14:  * 3. Neither the name of IBM nor the names of its contributors
        !            15:  *    may be used to endorse or promote products derived from this software
        !            16:  *    without specific prior written permission.
        !            17:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
        !            18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            20:  * ARE DISCLAIMED.  IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
        !            21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            27:  * SUCH DAMAGE. */
        !            28: 
        !            29: /* Virtio devices use a standardized configuration space to define their
        !            30:  * features and pass configuration information, but each implementation can
        !            31:  * store and access that space differently. */
        !            32: #include <linux/types.h>
        !            33: 
        !            34: /* Status byte for guest to report progress, and synchronize features. */
        !            35: /* We have seen device and processed generic fields (VIRTIO_CONFIG_F_VIRTIO) */
        !            36: #define VIRTIO_CONFIG_S_ACKNOWLEDGE    1
        !            37: /* We have found a driver for the device. */
        !            38: #define VIRTIO_CONFIG_S_DRIVER         2
        !            39: /* Driver has used its parts of the config, and is happy */
        !            40: #define VIRTIO_CONFIG_S_DRIVER_OK      4
        !            41: /* We've given up on this device. */
        !            42: #define VIRTIO_CONFIG_S_FAILED         0x80
        !            43: 
        !            44: /* Some virtio feature bits (currently bits 28 through 31) are reserved for the
        !            45:  * transport being used (eg. virtio_ring), the rest are per-device feature
        !            46:  * bits. */
        !            47: #define VIRTIO_TRANSPORT_F_START       28
        !            48: #define VIRTIO_TRANSPORT_F_END         32
        !            49: 
        !            50: /* Do we get callbacks when the ring is completely used, even if we've
        !            51:  * suppressed them? */
        !            52: #define VIRTIO_F_NOTIFY_ON_EMPTY       24
        !            53: 
        !            54: #endif /* _LINUX_VIRTIO_CONFIG_H */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.