Commit graph

33 commits

Author SHA1 Message Date
Sepherosa Ziehau
b99113a1c1 hyperv/vmbus: Add channel polling support.
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8738
2016-12-12 05:04:55 +00:00
Sepherosa Ziehau
a54152eaa5 hyperv/vmbus: Add supportive transaction wait function.
This function supports channel revocation properly.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8611
2016-11-28 05:07:48 +00:00
Sepherosa Ziehau
2641e75742 hyperv/vmbus: Add a simplified version of channel close.
So that the caller can know the channel close error and react accordingly.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8600
2016-11-25 09:13:10 +00:00
Sepherosa Ziehau
32ab625a61 hyperv/vmbus: Return EISCONN if the bufring GPADL can't be disconnected.
So that the callers of vmbus_chan_open_br() could handle the passed in
bufring memory properly.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8569
2016-11-25 07:24:11 +00:00
Sepherosa Ziehau
5ab84aaf2f hyperv/vmbus: Fix the primary channel revoking on vmbus side.
Drivers can now use vmbus_chan_{is_revoked,set_orphan,unset_orphan}() and
vmbus_xact_ctx_orphan() to fix their attach/detach DEVMETHODs for revoked
primary channels.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8545
2016-11-24 05:18:45 +00:00
Sepherosa Ziehau
fb6216bd43 hyperv/vmbus: Set a mark on the revoked channel.
This will be used to fix device detach DEVMETHOD for revoked primary
channel.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8522
2016-11-23 05:03:44 +00:00
Sepherosa Ziehau
2a5a7ca81d hyperv: GC unused functions.
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8406
2016-11-02 05:41:23 +00:00
Sepherosa Ziehau
e41136c060 hyperv/vmbus: Expose channel management taskqueue for driver to use.
MFC after:	3 days
Sponsored by:	Microsoft
2016-10-19 09:12:14 +00:00
Sepherosa Ziehau
cca23e7c3c hyperv/vmbus: Allow driver to inject synchronous task into channel taskq.
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8208
2016-10-11 02:43:23 +00:00
Sepherosa Ziehau
c8e8d13398 hyperv/vmbus: Add function to drain channel interrupt task.
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8045
2016-09-28 04:25:25 +00:00
Sepherosa Ziehau
e8223cc6cf hyperv/vmbus: Add functions to test RX/TX bufring emptiness
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8044
2016-09-28 04:08:20 +00:00
Sepherosa Ziehau
9613ad24b0 hyperv/vmbus: Allow bufrings preallocation.
The assumption that the channel is only opened upon synthetic device
attach time no longer holds, e.g. Hyper-V network device MTU changes.
We have to allow device drivers to preallocate bufrings, e.g. in
attach DEVMETHOD, to prevent bufring allocation failure once the
system memory is fragmented after running for a while.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7960
2016-09-21 05:56:47 +00:00
Sepherosa Ziehau
dd9af4103b hyperv/vmbus: Add function to calculate max # of elements in a bufring.
MFC after:	1 week
Sponsored by:	Microsoft
2016-08-25 05:35:51 +00:00
Sepherosa Ziehau
5ac4acb202 hyperv/hn: Factor out hn_nvs_send/hn_nvs_send_sglist
Avoid unnecessary message type setting and centralize the send context
to transaction id cast.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7500
2016-08-16 07:26:53 +00:00
Sepherosa Ziehau
99fc691eec hyperv/vmbus: Add macro to get channel packet data length.
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7455
2016-08-11 03:20:38 +00:00
Sepherosa Ziehau
9d6016a773 hyperv/vmbus: Remove the artificial entry limit of SG and PRP list.
Just make sure that the total channel packet size does not exceed 1/2
data size of the TX bufring.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7359
2016-08-01 04:26:24 +00:00
Sepherosa Ziehau
8018156f90 hyperv/vmbus: Reindent function declarations.
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7344
2016-07-29 03:16:51 +00:00
Sepherosa Ziehau
7d8ee480c4 hyperv/vmbus: Inclusion cleanup
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7334
2016-07-28 06:46:10 +00:00
Sepherosa Ziehau
82b8a87964 hyperv: hv_vmbus_channel -> vmbus_channel
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7260
2016-07-21 06:09:47 +00:00
Sepherosa Ziehau
f62b3ae3be hyperv/vmbus: Shuffle function declaration and macro definition.
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7259
2016-07-21 05:46:26 +00:00
Sepherosa Ziehau
6254947245 hyperv/vmbus: Hide channel struct definition.
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7245
2016-07-20 06:00:27 +00:00
Sepherosa Ziehau
e93854c495 hyperv/vmbus: Function rename
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7230
2016-07-19 05:57:19 +00:00
Sepherosa Ziehau
742fb4f669 hyperv/vmbus: Cleanup cpu based channel selection.
And create cpu to channel map at device attach time for storvsc(4).

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7229
2016-07-19 05:46:15 +00:00
Sepherosa Ziehau
d0856980e4 hyperv/vmbus: Function rename
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7212
2016-07-15 08:23:33 +00:00
Sepherosa Ziehau
a91e5fd55f hyperv/vmbus: Back out r302888 temporarily
Committed by accident w/ duplicated commit log

MFC after:	1 week
Sponsored by:	Microsoft OSTC
2016-07-15 08:13:44 +00:00
Sepherosa Ziehau
047affd165 hyperv/hn: Busdma-fy rxbuf and chimney sending buffer
Nuke unused channel GPADL API.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7211
2016-07-15 08:08:13 +00:00
Sepherosa Ziehau
43bbe6b27f hyperv/vmbus: Cleanup channel packet receiving.
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7204
2016-07-15 07:53:45 +00:00
Sepherosa Ziehau
7c55724859 hyperv/vmbus: Cleanup channel receiving.
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7202
2016-07-15 07:45:30 +00:00
Sepherosa Ziehau
12140675e8 hyperv/vmbus: Function rename
And reorder the error prone parameters list.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7191
2016-07-15 07:16:46 +00:00
Sepherosa Ziehau
03055a2cea hyperv/vmbus: Move channel packet types definition to vmbus.h
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7177
2016-07-15 06:58:21 +00:00
Sepherosa Ziehau
1680fb300c hyperv/vmbus: Move channel packet flags definition to vmbus.h
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7176
2016-07-15 06:49:45 +00:00
Sepherosa Ziehau
66e132bd0f hyeprv/vmbus: Rework prplist sending.
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7175
2016-07-15 06:40:59 +00:00
Sepherosa Ziehau
6199f16549 hyperv/vmbus: Rework sglist sending.
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7156
2016-07-15 06:29:19 +00:00