MFC 302543,302545,302547,302549,302554,302556,302557,302559,302606

302543
    hyperv/vmbus: Use post message Hypercall APIs for channel request

    Sponsored by:   Microsoft OSTC
    Differential Revision:  https://reviews.freebsd.org/D6831

302545
    hyperv/vmbus: Function renaming.

    And pass vmbus_softc to vmbus_doattach()

    Sponsored by:   Microsoft OSTC
    Differential Revision:  https://reviews.freebsd.org/D6842

302547
    hyperv/vmbus: Explicitly assign channel message process array.

    While I'm here, remove the useless message type from message process
    array, which is not used and serves no purposes at all.

    Sponsored by:   Microsoft OSTC
    Differential Revision:  https://reviews.freebsd.org/D6858

302549
    hyperv/vmbus: Add sysctl to expose vmbus version.

    Requested by:   Hongxiong Xian <v-hoxian microsoft com>
    Sponsored by:   Microsoft OSTC
    Differential Revision:  https://reviews.freebsd.org/D6860

302554
    hyperv/vmbus: Use post message Hypercall APIs for unload

    Sponsored by:   Microsoft OSTC
    Differential Revision:  https://reviews.freebsd.org/D6861

302556
    hyperv/vmbus: Create channel synchronously.

    The device probe/attach has been move to a different thread, so the
    reasons to create the channel asynchronously are no longer valid.

    Sponsored by:   Microsoft OSTC
    Differential Revision:  https://reviews.freebsd.org/D6862

302557
    hyperv/vmbus: Save vmbus softc to channels.

    So that we don't need to access the global vmbus softc.

    Sponsored by:   Microsoft OSTC
    Differential Revision:  https://reviews.freebsd.org/D6863

302559
    hyperv/vmbus: Embed channel detach task in channel itself.

    GC work queue stuffs.

    Sponsored by:   Microsoft OSTC
    Differential Revision:  https://reviews.freebsd.org/D6864

302606
    hyperv/vmbus: Reorganize vmbus scan process.

    Sponsored by:   Microsoft OSTC
    Differential Revision:  https://reviews.freebsd.org/D6875

1 files changed, 3 insertions, 0 deletions

diff --git a/sys/dev/hyperv/include/hyperv.h b/sys/dev/hyperv/include/hyperv.h
index e08cb7a..48e2258 100644
--- a/sys/dev/hyperv/include/hyperv.h
+++ b/sys/dev/hyperv/include/hyperv.h
@@ -713,6 +713,7 @@ typedef struct {
 typedef struct hv_vmbus_channel {
 	TAILQ_ENTRY(hv_vmbus_channel)	list_entry;
 	struct hv_device*		device;
+	struct vmbus_softc		*vmbus_sc;
 	hv_vmbus_channel_state		state;
 	hv_vmbus_channel_offer_channel	offer_msg;
 	/*
@@ -808,6 +809,8 @@ typedef struct hv_vmbus_channel {
 	void				*hv_chan_priv1;
 	void				*hv_chan_priv2;
 	void				*hv_chan_priv3;
+
+	struct task			ch_detach_task;
 } hv_vmbus_channel;
 
 #define HV_VMBUS_CHAN_ISPRIMARY(chan)	((chan)->primary_channel == NULL)