MFC 303945,303947-303949,303989,303992,303998,304001,304002,304109,304111

MFC 303945,303947-303949,303989,303992,303998,304001,304002,304109,304111

303945
    hyperv/vmbus: Add macro to get channel packet data length.

    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D7455

303947
    hyperv/vmbus: Add APIs for various types of transactions.

    Reviewed by:    Jun Su <junsu microsoft com>
    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D7456

303948
    hyperv/hn: Switch to vmbus xact APIs for NVS initialization

    Reviewed by:    Jun Su <junsu microsoft com>
    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D7457

303949
    hyperv/vmbus: Use xact APIs to implement post message Hypercall APIs

    Avoid code duplication.

    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D7458

303989
    hyperv/hn: Simplify NDIS configuration.

    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D7466

303992
    hyperv/hn: Simplify NDIS initialization.

    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D7467

303998
    hyperv/hn: Switch to vmbus xact APIs for NVS RXBUF connection.

    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D7469

304001
    hyperv/hn: Switch to vmbus xact APIs for NVS chimney buffer connection.

    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D7470

304002
    hyperv/hn: Simplify RXBUF disconnection.

    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D7472

304109
    hyperv/hn: Simplify chimney sending buffer disconnection.

    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D7479

304111
    hyperv/hn: Switch to vmbus xact APIs for sub-channel alloc request.

    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D7480

git-svn-id: svn://svn.freebsd.org/base/stable/10@307164 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f