diff options
Diffstat (limited to 'usr/src/uts/common/io/vsock/vsock_vio.h')
| -rw-r--r-- | usr/src/uts/common/io/vsock/vsock_vio.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/usr/src/uts/common/io/vsock/vsock_vio.h b/usr/src/uts/common/io/vsock/vsock_vio.h new file mode 100644 index 0000000000..953d7dc1fa --- /dev/null +++ b/usr/src/uts/common/io/vsock/vsock_vio.h @@ -0,0 +1,84 @@ +/* + * This file and its contents are supplied under the terms of the + * Common Development and Distribution License ("CDDL"), version 1.0. + * You may only use this file in accordance with the terms of version + * 1.0 of the CDDL. + * + * A full copy of the text of the CDDL should have accompanied this + * source. A copy of the CDDL is also available via the Internet at + * http://www.illumos.org/license/CDDL. + */ + +/* + * Copyright 2021 Joyent, Inc. + */ + +#ifndef _VSOCK_VIO_H +#define _VSOCK_VIO_H + +/* + * xxx + */ + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * VIRTIO VSOCK CONFIGURATION REGISTERS + * + * These are offsets into the device-specific configuration space available + * through the virtio_dev_*() family of functions. + */ +#define VIRTO_VSOCK_CONFIG_CID 0x00 /* 16 R */ + +/* + * VIRTIO VSOCK VIRTQUEUES + */ +#define VIRTIO_VSOCK_VIRTQ_RX 0 +#define VIRTIO_VSOCK_VIRTQ_TX 1 +#define VIRTIO_VOCK_VIRTQ_EVENT 2 + +struct virtio_vsock_hdr { + uint64_t vvh_src_cid; + uint64_t vvh_dst_cid; + uint32_t vvh_src_port; + uint32_t vvh_dst_port; + uint32_t vvh_len; + uint16_t vvh_type; + uint16_t vvh_op; + uint32_t vvh_flags; + uint32_t vvh_buf_alloc; + uint32_t vvh_fwd_cnt; +} __packed; + +#define VIRTIO_VSOCK_OP_INVALID 0 + +#define VIRTIO_VSOCK_OP_REQUEST 1 +#define VIRTIO_VSOCK_OP_RESPONSE 2 +#define VIRTIO_VSOCK_OP_RST 3 +#define VIRTIO_VSOCK_OP_SHUTDOWN 4 + +#define VIRTIO_VSOCK_OP_RW 5 + +#define VIRTIO_VSOCK_OP_CREDIT_UPDATE 6 +#define VIRTIO_VSOCK_OP_CREDIT_REQUEST 7 + +struct vsock_dev { + dev_info_t *vsd_dip; + virtio_t *vsd_virtio; + + kmutex_t vsd_mutex; + + virtio_queue_t *vsd_rx_vq; + virtio_queue_t *vsd_tx_vq; + virtio_queue_t *vsd_event_vq; + + uint64_t vsd_cid; +}; + +#ifdef __cplusplus +} +#endif + +#endif /* _VSOCK_H */ |