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9 commits

Author SHA1 Message Date
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
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
6fd14eb940 hyperv/vmbus: Only make sure the TX bufring will not be closed. 
KVP can write data, whose size is > 1/2 TX bufring size.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7414
 2016-08-05 08:57:51 +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
b5ddb4093a hyperv/vmbus: Cleanup RX bufring read process. 
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7317
 2016-07-27 07:36:54 +00:00
Sepherosa Ziehau
ea06b5d3ec hyperv/vmbus: Use different struct for RX/TX bufring. 
So that they can use suitable MP synchronization mechanism.

While I'm here change the bufring init/read/write function names.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7313
 2016-07-27 06:17:20 +00:00
Sepherosa Ziehau
a0c3998ea9 hyperv/vmbus: Initialize RX/TX bufring mutex at channel creation time 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7312
 2016-07-27 05:47:32 +00:00
Sepherosa Ziehau
afffab7e8b hyperv/vmbus: Move bufring info definition to vmbus_brvar.h 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7282
 2016-07-25 03:30:26 +00:00
Sepherosa Ziehau
7dd8881ca6 hyperv/vmbus: Rename hv_vmbus_priv.h to vmbus_brvar.h 
It only contains bufring related bits for a while.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7281
 2016-07-25 03:12:40 +00:00
Renamed from sys/dev/hyperv/vmbus/hv_vmbus_priv.h (Browse further)