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498 Commits

Author SHA1 Message Date
Sepherosa Ziehau
031e155216 hyperv/vmbus: Move vmbus bufring definition to vmbus_reg.h 
And add more comment about its fields.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7269
 2016-07-22 05:09:08 +00:00
Sepherosa Ziehau
bafad35c7d hyperv/vmbus: Cleanup and augment bufring sysctl tree creation 
Binary state node is added, so that userland programs do not have
to parse human readable state string.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7268
 2016-07-22 03:42:32 +00:00
Sepherosa Ziehau
a6c54e7eea hyperv/vmbus: Cosmetic bufring cleanup. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7267
 2016-07-22 03:30:00 +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
3fcf36f408 hyperv/vmbus: Reorder channel fields. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7258
 2016-07-21 05:38:05 +00:00
Sepherosa Ziehau
f617e011c9 hyperv/vmbus: Save event flag location and evet flag mask. 
This avoids unnecessary access to the vmbus_softc struct on sending path.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7257
 2016-07-21 05:30:31 +00:00
Sepherosa Ziehau
e90bb68be6 hyperv/vmbus: Save MNF trigger location instead of MNF trigger index. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7246
 2016-07-20 06:12:32 +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
fda1c6ee42 hyperv/vmbus: Deprecate the device private data in channel struct 
They are neither flexible nor extensible.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7244
 2016-07-20 05:48:52 +00:00
Sepherosa Ziehau
ca871fb75c hyperv/vmbus: Pass channel as the first argument for channel callback 
The prepares to kill device private fields in channel struct, which
are not flexible and extensible.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7243
 2016-07-20 05:34:28 +00:00
Sepherosa Ziehau
9129ad2d70 hyperv/vmbus: Channel struct field rename 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7242
 2016-07-20 05:26:04 +00:00
Sepherosa Ziehau
4cd995ff5d hyperv/vmbus: Move IC register definition to Hyper-V utilities 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7241
 2016-07-20 05:16:23 +00:00
Sepherosa Ziehau
267fb25f21 hyperv/vmbus: Get rid of unnecessary definition. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7240
 2016-07-20 05:03:04 +00:00
Sepherosa Ziehau
e62409966b hyperv/vmbus: Rename laundered vmbus channel code 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7232
 2016-07-19 07:51:22 +00:00
Sepherosa Ziehau
d9687005ae hyperv/vmbus: Temp/internal variable/function rename 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7231
 2016-07-19 06:04:44 +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
367d703632 hyperv/vmbus: Cosmetic vmbus channel open cleanup 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7217
 2016-07-18 05:36:31 +00:00
Sepherosa Ziehau
d745ae11c9 hyperv/vmbus: Cleanup channel sysctl tree creation 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7214
 2016-07-15 08:40:22 +00:00
Sepherosa Ziehau
3ccc0ce030 hyperv/vmbus: Cosmetic vmbus channel close cleanup 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7213
 2016-07-15 08:31:53 +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
8c209c9206 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 08:06:48 +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
7bf5900964 hyperv/vmbus: Factor out macros to do channel packet length conversion. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7194
 2016-07-15 07:35:01 +00:00
Sepherosa Ziehau
a47c066339 hyperv/vmbus: Field rename 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7193
 2016-07-15 07:26:31 +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
4817a5a58d hyperv/vmbus: Cleanup channel sending 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7178
 2016-07-15 07:07:17 +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
Sepherosa Ziehau
d64ec3506d hyperv/vmbus: Redefine channel packet. 
The channel packet header will be shared w/ PRP (physical region page)
list channel packet and SG (scatter gather) list channel packet.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7155
 2016-07-15 06:16:39 +00:00
Sepherosa Ziehau
013c69bf17 hyperv/vmbus: Field rename 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7146
 2016-07-15 06:08:48 +00:00
Sepherosa Ziehau
23eaa43cc8 hyperv/vmbus: Set vcpuid to 0, if MSR_HV_VP_INDEX does not exist. 
Mainly for compatibility.  While I'm here, rename cpuid related
fields in hv_vmbus_channel.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7141
 2016-07-15 05:59:27 +00:00
Sepherosa Ziehau
29bf5462b5 hyperv/vmbus: Busdma-fy channel bufring. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7140
 2016-07-15 05:51:58 +00:00
Sepherosa Ziehau
9ab42c2138 hyperv/vmbus: Add vmbus_chan_gpadl_connect, which takes GPA physaddr 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7139
 2016-07-15 05:40:34 +00:00
Sepherosa Ziehau
b3a6435528 hyperv/vmbus: Use iovec for bufring scatter/gather list. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7134
 2016-07-15 05:29:04 +00:00
Sepherosa Ziehau
4ad849ba82 hyperv/vmbus: Remove unused function definition/declaration. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7131
 2016-07-15 05:15:21 +00:00
Sepherosa Ziehau
9ef6240130 hyperv/vmbus: Function rename 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7129
 2016-07-15 05:06:15 +00:00
Sepherosa Ziehau
1bb1ecfc00 hyperv/vmbus: Remove unused struct 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7127
 2016-07-15 04:54:07 +00:00
Sepherosa Ziehau
7d590c7345 hyperv/vmbus: Merge hv_channel_mgmt.c into hv_channel.c 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7126
 2016-07-15 04:42:08 +00:00
Sepherosa Ziehau
e11f3043cd hyperv/vmbus: Move bus related message processing into vmbus. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7125
 2016-07-14 08:40:59 +00:00
Sepherosa Ziehau
7e70f1cbaf hyperv/vmbus: Sub-channel related fields renaming 
And reorganize comment.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7113
 2016-07-14 08:15:13 +00:00
Sepherosa Ziehau
e480791797 hyperv/vmbus: Fix the racy channel close. 
It is not safe to iterate the sub-channel list w/o lock on the
close path, while it's even more difficult to hold the lock
and iterate the sub-channel list.  We leverage the
vmbua_{get,rel}_subchan() functions to solve this dilemma.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7112
 2016-07-14 07:59:01 +00:00
Sepherosa Ziehau
c1bea00ed1 hyperv/vmbus: Field renaming to reflect reality 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7111
 2016-07-14 07:48:26 +00:00
Sepherosa Ziehau
77321df6e4 hyperv/vmbus: Release vmbus channel lock before detach devices 
Device detach method may sleep.

While I'm here, rename the function, fix indentation and function
comment.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7110
 2016-07-14 07:39:34 +00:00
Sepherosa Ziehau
4cf4f2248e hyperv/vmbus: Only add primary channels to vmbus channel list 
- Make the vmbus_chan_add more straightforward.
- Partially fix the hv_vmbus_release_unattached_channels().

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7109
 2016-07-14 07:31:43 +00:00
Sepherosa Ziehau
3a1079321c hyperv/vmbus: Use sub-channel index to detect primary channel 
In case that VMBUS_CHAN_ISPRIMARY is needed in the early place of
channel setup.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7108
 2016-07-14 07:24:03 +00:00
Sepherosa Ziehau
ea505e3821 hyperv/vmbus: Cleanup vmbus_chan_add() 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7106
 2016-07-14 07:08:59 +00:00
Sepherosa Ziehau
8c1ac91660 hyperv/vmbus: Nuke the channel open state. 
Channel is either opened or not-opened.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7105
 2016-07-14 06:59:04 +00:00
Sepherosa Ziehau
0b1e5b0fd0 hyperv/vmbus: Cleanup vmbus_chan_msgproc_choffer 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7104
 2016-07-14 06:48:24 +00:00
Sepherosa Ziehau
dab4260c90 hyperv/vmbus: Move new channel scan notification to device register 
And nuke now unnecessary function indirection.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7103
 2016-07-14 06:40:42 +00:00
Sepherosa Ziehau
245903228c hyperv/vmbus: Move device register and channel free to the caller. 
This paves the way for more cleanup/disentangle.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7102
 2016-07-14 06:29:12 +00:00
Sepherosa Ziehau
88cafda3b1 hyperv/vmbus: Alloc/Free monitor param in vmbus channel alloc/free. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7101
 2016-07-14 06:18:11 +00:00
Sepherosa Ziehau
d805de567f hyperv/vmbus: Get rid of rel{_id,id}, use channel id consistently. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7100
 2016-07-14 06:10:00 +00:00
Sepherosa Ziehau
5ef8204d4b hyperv/vmbus: Remove unused bits 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7095
 2016-07-14 06:00:40 +00:00
Sepherosa Ziehau
f15c787ae7 hyperv/vmbus: Switch to vmbus channel message macros 
Prepare for more cleanup.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7094
 2016-07-14 05:49:14 +00:00
Sepherosa Ziehau
e979461031 hyperv/vmbus: Move channel offer message definition to vmbus_reg.h 
- Avoid bit fields.
- Avoid unnecessary indirection.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7093
 2016-07-14 05:33:33 +00:00
Sepherosa Ziehau
71ac1309f0 hyperv: hv_guid -> struct hyperv_guid. 
This paves way for the further cleanup/disentangle.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7092
 2016-07-14 05:25:31 +00:00
Sepherosa Ziehau
6c3a5c5759 hyperv/vmbus: Remove unused bits 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7091
 2016-07-14 05:14:12 +00:00
Sepherosa Ziehau
e2d8dbe438 hyperv/vmbus: Cleanup channel rescind 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7090
 2016-07-13 09:44:24 +00:00
Sepherosa Ziehau
37a911a59b hyperv/vmbus: Remove unused code 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7089
 2016-07-13 09:36:46 +00:00
Sepherosa Ziehau
8c8cf3f2e2 hyperv/vmbus: Reorganize MNF event sending. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7088
 2016-07-13 09:28:46 +00:00
Sepherosa Ziehau
562d480b7d hyperv: Signal event input parameter is shared w/ MNF 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7087
 2016-07-13 09:19:33 +00:00
Sepherosa Ziehau
a570251d00 hyperv: All Hypercall parameters have same alignment requirement. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7086
 2016-07-13 09:11:03 +00:00
Sepherosa Ziehau
782b0df476 hyperv/vmbus: Install different task function for batch/non-batch channels 
This avoids bunch of unnecessary checks on hot path and simplifies the
channel processing.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7085
 2016-07-13 08:30:14 +00:00
Sepherosa Ziehau
817c040c3f hyperv/vmbus: Remove unnecessary callback check. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7046
 2016-07-13 06:55:21 +00:00
Sepherosa Ziehau
df1021e7bf hyperv/vmbus: Pack bool field into flags field 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7038
 2016-07-13 06:46:29 +00:00
Sepherosa Ziehau
7c2abef176 hyperv/bufring: Remove unused fields 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7037
 2016-07-13 06:39:04 +00:00
Sepherosa Ziehau
6de616d3a0 hyperv/vmbus: Nuke unused field from hv_vmbus_channel. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7036
 2016-07-13 06:30:33 +00:00
Sepherosa Ziehau
3b50b13baa hyperv: Get rid of hv_device, which is unnecessary indirection. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7034
 2016-07-13 06:17:15 +00:00
Sepherosa Ziehau
6a2ff2cbf7 hyperv/hn: Avoid the hv_device 
This paves way to nuke the hv_device, which is actually an unncessary
indirection.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7033
 2016-07-13 05:58:46 +00:00
Sepherosa Ziehau
47575345ba hyperv/vmbus: Deprecate the usage of hv_device. 
This paves way to nuke the hv_device, which is actually an unncessary
indirection.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7032
 2016-07-13 05:47:09 +00:00
Sepherosa Ziehau
2d19acf75b hyperv/util: Avoid the hv_device 
This paves way to nuke the hv_device, which is actually an unncessary
indirection.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7028
 2016-07-13 05:35:28 +00:00
Sepherosa Ziehau
d2c2a2ef36 hyperv/stor: Avoid the hv_device and nuke the broken get_stor_device 
This paves way to nuke the hv_device, which is actually an unncessary
indirection.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7027
 2016-07-13 05:28:07 +00:00
Sepherosa Ziehau
edd0c2c7c7 hyperv/vmbus: Add channel ivar accessor. 
This makes life easier during the transition period to nuke the hv_device.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7026
 2016-07-13 05:19:45 +00:00
Sepherosa Ziehau
93637258fd hyperv/vmbus: All ivars are read-only; nuke unnecessary write_ivar 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7025
 2016-07-13 05:11:45 +00:00
Sepherosa Ziehau
884d26c84c hyperv/vmbus: Add vmbus method for GUID base device probing. 
Reduce the exposure of hv_device.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7024
 2016-07-13 05:01:12 +00:00
Sepherosa Ziehau
abe9fa4996 hyperv/vmbus: Remove the embedded offer message from hv_vmbus_channel 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7021
 2016-07-13 04:51:37 +00:00
Sepherosa Ziehau
5c604feb67 hyperv/vmbus: Add type/instance guid fields into hv_vmbus_channel 
This prepares to remove the unnecessary offer message embedding in
hv_vmbus_channel.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7020
 2016-07-13 04:39:16 +00:00
Sepherosa Ziehau
d74e22ed4a hyperv/vmbus: Add flags field into hv_vmbus_channel for MNF indication 
This prepares to remove the unnecessary offer message embedding in
hv_vmbus_channel.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7019
 2016-07-13 04:31:08 +00:00
Sepherosa Ziehau
4ac0a9bf1e hyperv/vmbus: Make subchan index a field of hv_vmbus_channel. 
This prepares to remove the unnecessary offer message embedding in
hv_vmbus_channel.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7015
 2016-07-13 03:35:22 +00:00
Sepherosa Ziehau
2c4888c75b hyperv/vmbus: Make channel id a field of hv_vmbus_channel. 
This prepares to remove the unnecessary offer message embedding in
hv_vmbus_channel.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7014
 2016-07-13 03:24:29 +00:00
Sepherosa Ziehau
e71d17193d hyperv/vmbus: Merge hv_connection.c into hv_channel.c 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7004
 2016-07-13 03:14:29 +00:00
Sepherosa Ziehau
283ec9df45 hyperv/vmbus: Destroy channel list lock upon attach failure and detach. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7003
 2016-07-12 09:06:25 +00:00
Sepherosa Ziehau
250ca4ca3b hyperv/vmbus: Remove needed bits 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7002
 2016-07-12 08:55:08 +00:00
Sepherosa Ziehau
af3be0bfa5 hyperv/vmbus: Move channel map to vmbus_softc 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6982
 2016-07-12 08:47:04 +00:00
Sepherosa Ziehau
99e315276a hyperv/vmbus: Fix sub-channel re-open support. 
For multi-channel devices, once the primary channel is closed,
a set of 'rescind' messages for sub-channels will be delivered
by Hypervisor.  Sub-channel MUST be freed according to these
'rescind' messages; directly re-openning sub-channels in the
same fashion as the primary channel's re-opening does NOT work
at all.

After the primary channel is re-opened, requested # of sub-
channels will be delivered though 'channel offer' messages, and
this set of newly offered channels can be opened along side with
the primary channel.

This unbreaks the MTU setting for hn(4), which requires re-
openning all existsing channels upon MTU change.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6978
 2016-07-12 08:38:03 +00:00
Sepherosa Ziehau
81e1f05268 hyperv/vmbus: Free sysctl properly upon channel close. 
Prepare for sub-channel re-open.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6977
 2016-07-12 08:28:51 +00:00
Sepherosa Ziehau
3dee05577d hyperv/vmbus: More verbose for GPADL_connect/chan_{rescind,offer} 
Reviewed by:	Dexuan Cui <decui microsoft com>, Hongjiang Zhang <honzhan microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6976
 2016-07-12 08:21:28 +00:00
Sepherosa Ziehau
7fbf073008 hyperv/vmbus: Move channel list to vmbus_softc 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6956
 2016-07-12 08:11:16 +00:00
Sepherosa Ziehau
ee7e313f03 hyperv/vmbus: Move GPADL index into vmbus_softc 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6954
 2016-07-12 07:49:38 +00:00
Sepherosa Ziehau
38d19df6ff hyperv/vmbus: Rework vmbus version accessing. 
Instead of global variable, vmbus version is accessed through
a vmbus DEVMETHOD now.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6953
 2016-07-12 07:33:39 +00:00
Sepherosa Ziehau
f24517f037 hyperv/vmbus: Minor renaming 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6919
 2016-07-12 05:55:11 +00:00
Sepherosa Ziehau
9e6efea698 hyperv/vmbus: Don't be oversmart in default cpu selection. 
Pin the channel to cpu0 by default.  Drivers having special channel-cpu
mapping requirement should call vmbus_channel_cpu_{set,rr}() themselves.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6918
 2016-07-12 05:31:33 +00:00
Sepherosa Ziehau
fc7ddc1e23 hyperv: Nuke unused stuffs 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6917
 2016-07-12 05:23:14 +00:00
Sepherosa Ziehau
e44bdd84c9 hyperv/vmbus: Busdma-fy Hypercall signal event input parameter. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6916
 2016-07-12 05:09:07 +00:00
Sepherosa Ziehau
44d03f9a5f hyperv/vmbus: Avoid tx_evtflags setting code duplication. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6915
 2016-07-12 04:58:21 +00:00
Sepherosa Ziehau
88d2677299 hyperv/vmbus: Flatten channel message response processing. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6914
 2016-07-12 04:35:32 +00:00
Sepherosa Ziehau
1f175550a0 hyperv: Nuke unused stuffs 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6913
 2016-07-12 03:38:29 +00:00
Sepherosa Ziehau
e90ec741f9 hyperv/vmbus: Use post message Hypercall APIs for GPA disconnect 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6912
 2016-07-12 03:32:07 +00:00
Sepherosa Ziehau
e9bd7c4417 hyperv/vmbus: Use post message Hypercall APIs for channel close 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6906
 2016-07-12 03:25:36 +00:00
Sepherosa Ziehau
2bf62f9a89 hyperv/vmbus: Use post message Hypercall APIs for GPADL connect. 
This also fixes memory leakge if sub-connect messages are needed.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6878
 2016-07-12 03:19:40 +00:00
Sepherosa Ziehau
df9f40d810 hyperv/vmbus: Remove unnecessary check and unapplied comment 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6877
 2016-07-12 03:14:35 +00:00
Sepherosa Ziehau
fc1208d658 hyperv/vmbus: Use post message Hypercall APIs for channel open 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6876
 2016-07-12 03:09:10 +00:00
Sepherosa Ziehau
796a90bf5d hyperv/vmbus: Reorganize vmbus scan process. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6875
 2016-07-12 03:03:17 +00:00
Sepherosa Ziehau
7a49521a4b hyperv/stor: Save the response status and xfer length properly. 
The current command response handling discards status and xfer
length unconditionally, so that all of the commands would be
considered successful, even if errors happened.  When errors
really happens, this causes all kinds of wiredness, since the
buffer will not be filled on the host side and sense data will
be ignored.

Most of the time, errors do not happen, however, error does
happen for the request sent immediately after the disk resizing.
Discarding the SCSI status (SCSI_STATUS_CHECK_COND) and sense
data (capacity changes) prevents the disk resizing from working
properly.

This commit saves the response status and xfer length properly
for later use.

Submitted by:	Dexuan Cui <decui microsoft com>
Noticed by:	sephe
MFC after:	3 days
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7181
 2016-07-12 02:57:13 +00:00
Sepherosa Ziehau
60169cb210 hyperv/vmbus: Embed channel detach task in channel itself. 
GC work queue stuffs.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6864
 2016-07-11 08:12:04 +00:00
Sepherosa Ziehau
3e1c325e63 hyperv/vmbus: Save vmbus softc to channels. 
So that we don't need to access the global vmbus softc.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6863
 2016-07-11 07:54:58 +00:00
Sepherosa Ziehau
fd5831c624 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.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6862
 2016-07-11 07:45:31 +00:00
Sepherosa Ziehau
1ecb24660f hyperv/vmbus: Use post message Hypercall APIs for unload 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6861
 2016-07-11 07:28:15 +00:00
Sepherosa Ziehau
47a3ee5c60 hyperv/vmbus: Add sysctl to expose vmbus version. 
Requested by:	Hongxiong Xian <v-hoxian microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6860
 2016-07-11 06:55:02 +00:00
Sepherosa Ziehau
833cfa5fcb 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.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6858
 2016-07-11 06:37:04 +00:00
Sepherosa Ziehau
dd012a57a7 hyperv/vmbus: Function renaming. 
And pass vmbus_softc to vmbus_doattach()

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6842
 2016-07-11 06:29:56 +00:00
Sepherosa Ziehau
57bb267df3 hyperv/hn: Add tunable to allow tcp_lro_queue_mbuf() 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6841
 2016-07-11 06:23:01 +00:00
Sepherosa Ziehau
c1cc5bdfe8 hyperv/vmbus: Use post message Hypercall APIs for channel request 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6831
 2016-07-11 06:11:24 +00:00
Sepherosa Ziehau
2d774f207c hyperv/stor: Fix the INQUIRY checks 
Don't check the area that the host has not filled.

PR:		https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209443
PR:		https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210425
Submitted by:	Hongjiang Zhang <honzhan microsoft com>
Reviewed by:	sephe, Dexuan Cui <decui microsoft com>
MFC after:	3 days
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6955
 2016-07-11 05:17:48 +00:00
Sepherosa Ziehau
236764b1c2 hyperv/vmbus: Implement a new set of APIs for post message Hypercall 
And use this new APIs for Initial Contact post message Hypercall.
More post message Hypercalls will be converted.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6830
 2016-07-11 04:52:11 +00:00
Sepherosa Ziehau
51a9a000ee hyperv/vmbus: Change tx_evtflags type to u_long to match vmbus_evtflags 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6745
 2016-06-08 07:47:21 +00:00
Sepherosa Ziehau
6523ab7e00 hyperv/vmbus: Busdma-fy MNF and event flags. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6744
 2016-06-08 05:34:22 +00:00
Sepherosa Ziehau
36ad8372d4 net: Use M_HASHTYPE_OPAQUE_HASH if the mbuf flowid has hash properties 
Reviewed by:	hps, erj, tuexen
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6688
 2016-06-07 04:51:50 +00:00
Sepherosa Ziehau
43926ba13f hyperv/vmbus: Constify channel message 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6708
 2016-06-06 07:39:44 +00:00
Sepherosa Ziehau
12ea25ae4f hyperv/vmbus: Factor out channel message processing 
This paves the way for further cleanup.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6707
 2016-06-06 07:27:57 +00:00
Sepherosa Ziehau
fa4828b0ab hyperv/vmbus: Define type for channel messages. 
And fix message processing; only channel messages are supported.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6706
 2016-06-06 06:18:18 +00:00
Sepherosa Ziehau
d8bf51683d hyperv: Move machine dependent bits into machine dependent files. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6701
 2016-06-06 05:55:37 +00:00
Sepherosa Ziehau
b7bb4816a0 hyperv: Rename some cleaned up/almost cleaned up files 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-06-01 09:20:52 +00:00
Sepherosa Ziehau
5d8fdc7fe4 hyperv/channel: Only cpu0 is supported as channel target cpu on WIN7 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-06-01 07:11:54 +00:00
Sepherosa Ziehau
417afb00cb hyperv/vmbus: Redefine event flags. 
- Nuke unnecessary union.
- Avoid convoluted macro indirection.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6671
 2016-06-01 06:51:44 +00:00
Sepherosa Ziehau
7f9e539e14 hyperv/kvp: Use if_xname. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6641
 2016-05-31 06:00:18 +00:00
Sepherosa Ziehau
7df850a759 hyperv: Move guid2str from vmbus file to hyperv file 
- Use uint8_t for GUID byte array.
- Define GUID string length.
- Break long lines.
- Nuke unnecessary stack variable.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6640
 2016-05-31 05:43:59 +00:00
Sepherosa Ziehau
b8ec7cd1e0 hyperv/vmbus: White space cleanup 
No functional changes

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6637
 2016-05-31 05:34:46 +00:00
Sepherosa Ziehau
3ae6d31281 hyperv/vmbus: Redefine SynIC message. 
- Avoid unnecessary indirection.
- Avoid bit fields.
- Use __packed.

Reviewed by:	Jun Su <junsu microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6636
 2016-05-31 05:18:55 +00:00
Sepherosa Ziehau
3b2f526463 hyperv/vmbus: Move global vmbus id array to stack. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6603
 2016-05-31 05:10:20 +00:00
Sepherosa Ziehau
e4a8553128 hyperv/vmbus: Indentation cleanup 
No functional changes.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6602
 2016-05-31 05:01:43 +00:00
Sepherosa Ziehau
98a68947d4 hyperv/vmbus: Rename ISR functions 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6601
 2016-05-31 04:47:53 +00:00
Sepherosa Ziehau
387d355588 hyperv/vmbus: Process event timer before checking events 
And update comment.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6600
 2016-05-31 04:10:15 +00:00
Sepherosa Ziehau
496d023db3 hyperv/et: Allow Hyper-V event timer be disabled 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6599
 2016-05-30 09:44:17 +00:00
Sepherosa Ziehau
6072b2511c hyperv/et: Device renaming; consistent w/ other Hyper-V utils 
While I'm here, prefix function names w/ vmbus, since unlike Hyper-V
timecounter, Hyper-V event timer will not work w/o vmbus.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6598
 2016-05-30 09:35:36 +00:00
Sepherosa Ziehau
3f07976a64 hyperv: Move timer frequency definition to common place. 
And cleanup event timer period settings.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6597
 2016-05-30 09:20:08 +00:00
Sepherosa Ziehau
efe8791a64 hyperv/et: Make sure only one event timer will be registered 
This nullifies the need to use softc.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6591
 2016-05-30 08:50:33 +00:00
Sepherosa Ziehau
430d28dbb3 hyperv/vmbus: Move SINT settings to vmbus_var.h 
While I'm here remove the event timer's dependency on hv_vmbus_priv.h

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6574
 2016-05-30 08:42:35 +00:00
Sepherosa Ziehau
d7bc16443e hyperv/et: Fix STIMER0 operations. 
- Make sure that STIMER0 is disabled before writting to it, since
  writing to an enabled STIMER will result in undefined behaviour.
- It is unnecessary to reconfigure STIMER0 upon each et_start().
- Make sure that MSR_HV_REF_TIME_COUNT will not return 0, since
  writing 0 to STIMER_COUNT will disable the target STIMER.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6573
 2016-05-30 08:25:09 +00:00
Sepherosa Ziehau
5cb904dc2f hyperv: Test features before enabling optional functionalities 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6571
 2016-05-27 07:29:31 +00:00
Sepherosa Ziehau
7da9c32e83 hyperv: Clean up Hyper-V timecounter a bit. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6569
 2016-05-27 07:05:30 +00:00
Sepherosa Ziehau
62eb6e21b6 hyperv: GC unneeded bits 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6568
 2016-05-27 06:55:05 +00:00
Sepherosa Ziehau
e3ebe93016 hyperv/vmbus: Move MSR EOM to hyperv_reg.h 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6567
 2016-05-27 06:47:04 +00:00