| virtio_config.h (268010) | virtio_config.h (267312) |
|---|---|
| 1/*- 2 * This header is BSD licensed so anyone can use the definitions to implement 3 * compatible drivers/servers. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * | 1/*- 2 * This header is BSD licensed so anyone can use the definitions to implement 3 * compatible drivers/servers. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * |
| 28 * $FreeBSD: stable/10/sys/dev/virtio/virtio_config.h 268010 2014-06-29 00:37:59Z bryanv $ | 28 * $FreeBSD: stable/10/sys/dev/virtio/virtio_config.h 267312 2014-06-10 03:23:35Z bryanv $ |
| 29 */ 30 31#ifndef _VIRTIO_CONFIG_H_ 32#define _VIRTIO_CONFIG_H_ 33 34/* Status byte for guest to report progress. */ 35#define VIRTIO_CONFIG_STATUS_RESET 0x00 36#define VIRTIO_CONFIG_STATUS_ACK 0x01 37#define VIRTIO_CONFIG_STATUS_DRIVER 0x03 38#define VIRTIO_CONFIG_STATUS_DRIVER_OK 0x04 39#define VIRTIO_CONFIG_STATUS_FAILED 0x80 40 41/* 42 * Generate interrupt when the virtqueue ring is 43 * completely used, even if we've suppressed them. 44 */ 45#define VIRTIO_F_NOTIFY_ON_EMPTY (1 << 24) 46 | 29 */ 30 31#ifndef _VIRTIO_CONFIG_H_ 32#define _VIRTIO_CONFIG_H_ 33 34/* Status byte for guest to report progress. */ 35#define VIRTIO_CONFIG_STATUS_RESET 0x00 36#define VIRTIO_CONFIG_STATUS_ACK 0x01 37#define VIRTIO_CONFIG_STATUS_DRIVER 0x03 38#define VIRTIO_CONFIG_STATUS_DRIVER_OK 0x04 39#define VIRTIO_CONFIG_STATUS_FAILED 0x80 40 41/* 42 * Generate interrupt when the virtqueue ring is 43 * completely used, even if we've suppressed them. 44 */ 45#define VIRTIO_F_NOTIFY_ON_EMPTY (1 << 24) 46 |
| 47/* Support for indirect buffer descriptors. */ 48#define VIRTIO_RING_F_INDIRECT_DESC (1 << 28) 49 50/* Support to suppress interrupt until specific index is reached. */ 51#define VIRTIO_RING_F_EVENT_IDX (1 << 29) 52 | |
| 53/* 54 * The guest should never negotiate this feature; it 55 * is used to detect faulty drivers. 56 */ 57#define VIRTIO_F_BAD_FEATURE (1 << 30) 58 59/* 60 * Some VirtIO feature bits (currently bits 28 through 31) are 61 * reserved for the transport being used (eg. virtio_ring), the 62 * rest are per-device feature bits. 63 */ 64#define VIRTIO_TRANSPORT_F_START 28 65#define VIRTIO_TRANSPORT_F_END 32 66 67#endif /* _VIRTIO_CONFIG_H_ */ | 47/* 48 * The guest should never negotiate this feature; it 49 * is used to detect faulty drivers. 50 */ 51#define VIRTIO_F_BAD_FEATURE (1 << 30) 52 53/* 54 * Some VirtIO feature bits (currently bits 28 through 31) are 55 * reserved for the transport being used (eg. virtio_ring), the 56 * rest are per-device feature bits. 57 */ 58#define VIRTIO_TRANSPORT_F_START 28 59#define VIRTIO_TRANSPORT_F_END 32 60 61#endif /* _VIRTIO_CONFIG_H_ */ |