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197 Commits

Author SHA1 Message Date
Sepherosa Ziehau
008c25ebb9 hyperv/stor: Enable INQUIRY result check only on WIN10 like host systems 
On WIN8 like host systems, when rescan happens, the already installed
disks seem to return random invalid results for INQUIRY.

More investigation is under way to figure out why random invalid INQUIRY
results are delivered to VM on WIN8 like host systems.

Submitted by:	Hongjiang Zhang <honzhan microsoft com>
Reviewed by:	sephe
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6316
 2016-05-12 03:29:29 +00:00
Sepherosa Ziehau
11a55b7340 hyperv/hn: Extract RSS hash value and type. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6287
 2016-05-11 03:31:25 +00:00
Pedro F. Giffuni
453130d9bf sys/dev: minor spelling fixes. 
Most affect comments, very few have user-visible effects.
 2016-05-03 03:41:25 +00:00
Sepherosa Ziehau
0fbe6eaef6 hyperv/hn: Add stat for # of chimney sending tries 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-27 06:49:16 +00:00
Sepherosa Ziehau
677d0d5076 hyperv/vmbus: Mark sysctls MPSAFE 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-27 05:45:14 +00:00
Sepherosa Ziehau
b649be4068 hyperv/hn: Mark sysctls MPSAFE 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-27 05:18:04 +00:00
Sepherosa Ziehau
6456e1587b hyperv/hn: Remove unapplied comment. 
Chimney sending buffers are shared across channels.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-27 05:05:54 +00:00
Sepherosa Ziehau
ff1c886a59 hyperv/hn: Restart sending earlier once we gathered some free TX descs 
This greatly reduces the oqdrops under heavy workload.

For TCP send/recv test (10K concurrent connections):
oqdrops is reduced by 17% on sending side, and 57% on receiving side.

For nginx-1.8/wrk-4 1KB object test (10K concurrent connections,
4 requests/connection):
oqdrops is reduced by 44% on nginx side, and 10% on wrk side.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-27 04:51:28 +00:00
Sepherosa Ziehau
49bebba7aa hyperv/hn: Change description to "Hyper-V Network Interface" 
This is consistent w/ other Hyper-V devices.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-26 06:50:41 +00:00
Sepherosa Ziehau
f494006fdf hyperv/stor: Set description properly in probe devmethod 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-26 06:41:36 +00:00
Sepherosa Ziehau
96a8c456f1 hyperv/channel: Git rid of the sub-channel creation callback 
It is no longer used.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-26 05:21:27 +00:00
Sepherosa Ziehau
99b476b1e8 hyperv/stor: Avoid sub-channel creation callback. 
Since the sub-channel offers are synchronized, we can do our own
channel setup without using the sub-channel creation callback.

This paves the way to whack the sub-channel creation callback.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-26 05:15:15 +00:00
Sepherosa Ziehau
03dbe733c5 hyperv/hn: Avoid sub-channel creation callback. 
Since the sub-channel offers are synchronized, we can do our own
channel setup without using the sub-channel creation callback.

This paves the way to whack the sub-channel creation callback.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-26 05:08:55 +00:00
Sepherosa Ziehau
232ab086dc hyperv/stor: Synchronize sub-channel offers 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-26 05:00:40 +00:00
Sepherosa Ziehau
f4ffb60d10 hyperv/stor: Remove the useless hs_open_multi_channel 
This fixes the sub-channel offer race after Hyper-V device probe/attach
is moved to vmbus SYSINIT/attach.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-26 04:48:57 +00:00
Sepherosa Ziehau
049efd1090 hyperv/hn: Synchronize sub-channel offers 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-25 10:16:07 +00:00
Sepherosa Ziehau
480805ab13 hyperv/channel: Add functions to synchronize sub-channel offers 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-25 09:00:06 +00:00
Sepherosa Ziehau
b9dfafffcd hyperv/channel: Log a warning about duplicated primary channel offer 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-25 05:58:32 +00:00
Sepherosa Ziehau
d4135e865c hyperv/channel: Remove unapplied comment 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-25 05:46:44 +00:00
Sepherosa Ziehau
a37ec104c5 hyperv/channel: Minor style changes; no functional changes. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-25 05:30:42 +00:00
Sepherosa Ziehau
84e83c0abd hyperv/channel: Remove the unnecessary 'new' flag 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-25 05:22:35 +00:00
Sepherosa Ziehau
625dc68a9e hyperv/et: Strip extra white space in function name 
Reported by:	Sascha Wildner <saw online de>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-25 04:58:14 +00:00
Sepherosa Ziehau
4e0c3dc461 hyperv/hn: Allow users to configure ifq or bufring depth. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-25 03:48:28 +00:00
Sepherosa Ziehau
62cffb8d93 hn: Increase odrops for if_transmit method if drbr_enqueue fails. 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-25 03:14:55 +00:00
Sepherosa Ziehau
d1c801bbf1 hyperv/et: Make Hyper-V event timer a device. 
Submitted by:	Jun Su <junsu microsoft com>
Reviewed by:	sephe, Dexuan Cui <decui microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5957
 2016-04-22 05:15:59 +00:00
Sepherosa Ziehau
7cd9b96b7a hyperv: Update copyright to 2016 for the files Microsoft changed in 2016 
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D6039
 2016-04-22 05:01:43 +00:00
Sepherosa Ziehau
adc9edf341 hyperv/vmbus: Make device probe/attach synchronous w/ vmbus attach/SYSINIT 
Discussed with:	Jun Su <junsu microsoft com>, Dexuan Cui <decui microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-19 09:42:48 +00:00
Sepherosa Ziehau
55a1cfa16b hyperv: Remove two assign-only local variables 
Submitted by:	Jun Su <junsu microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-19 09:25:56 +00:00
Sepherosa Ziehau
8310528673 hyperv/hn: Hide ring to channel linkage message under bootverbose 
Suggested by:	Dexuan Cui <decui microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-15 08:17:55 +00:00
Sepherosa Ziehau
5f9b92f865 hyperv: No need to zero out softc 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-15 08:08:46 +00:00
Sepherosa Ziehau
a014f7e1a6 hyperv/stor: Use xpt_done_direct() upon I/O completion 
Reviewed by:	mav
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5955
 2016-04-15 08:01:07 +00:00
Sepherosa Ziehau
4a060c8407 hyperv/vmbus: Put multi-channel offer logging under bootverbose 
Suggested by:	Dexuan Cui <decui microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-15 07:48:41 +00:00
Sepherosa Ziehau
97c4992c89 hyperv/stor: Temporary disable the wrongly done command timeout. 
It will be reenabled once the request processing is corrected.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-15 07:39:43 +00:00
Sepherosa Ziehau
0c29fe6db8 hyperv: Deprecate HYPERV option by moving Hyper-V IDT vector into vmbus 
Submitted by:	Jun Su <junsu microsoft com>
Reviewed by:	jhb, kib, sephe
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5910
 2016-04-15 02:20:18 +00:00
Sepherosa Ziehau
7e98851e93 hyperv: device_get_softc does not return NULL 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-13 09:20:29 +00:00
Sepherosa Ziehau
1859e4178b hyperv/vmbus: Merge duplicated version check for events 
Submitted by:	Jun Su <junsu microsoft com>
Reviewed by:	sephe
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5911
 2016-04-13 03:45:39 +00:00
Sepherosa Ziehau
3d861d81b9 hyperv: Replace 0 w/ NULL 
Submitted by:	pfg
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-12 02:01:16 +00:00
Sepherosa Ziehau
9859c43dfe hyperv: Typo 
Noticed by:	kib
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-11 09:52:24 +00:00
Sepherosa Ziehau
e331206e0f hyperv/hn: Remove unnecessary NULL checks 
Submitted by:	Jun Su <junsu microsoft com>
Reviewed by:	sephe
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5905
 2016-04-11 06:59:13 +00:00
Sepherosa Ziehau
b81e22fced hyperv/hn: By default enable multiple TX/RX rings, aka vRSS. 
Reviewed by:	Dexuan Cui <decui microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5880
 2016-04-11 06:37:50 +00:00
Sepherosa Ziehau
0e86334196 hyperv/hn: Cap default # of rings to 8. 
8 gives the best performance in both Azure and local Hyper-V on both
10Ge and 40Ge. More rings are still allowed by manual configuration.

Reviewed by:	Dexuan Cui <decui microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5879
 2016-04-11 06:31:52 +00:00
Sepherosa Ziehau
083b2c353d hyperv: Define macro for Hyper-V interface 
Suggested by:	rpokala
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-11 06:22:26 +00:00
Sepherosa Ziehau
29b7b56766 hyperv: Print more features 
And add comment about the MSR features.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-11 06:15:40 +00:00
Sepherosa Ziehau
3f2b057e35 hyperv: Break long line 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-11 04:56:23 +00:00
Sepherosa Ziehau
e4276edca5 hyperv: Declare hyperv_{features,recommends} properly 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-11 04:49:21 +00:00
Sepherosa Ziehau
c8d7fb6a5c hyperv: Resurrect r297481 
This time we make sure that the TIME_REF_COUNT MSR exists.

Submitted by:	Jun Su <junsu microsoft com>
Reviewed by:	sephe, Dexuan Cui <decui microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-11 03:36:07 +00:00
Sepherosa Ziehau
68247c05c2 hyperv: Identify Hyper-V features and recommends properly 
Features bits will be used to detect devices, e.g. timers, which
do not have corresponding event channels.

Submitted by:	Jun Su <junsu microsoft com>
Reviewed by:	sephe, Dexuan Cui <decui microsoft com>
Rearranged by:	sephe
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-11 03:28:17 +00:00
Sepherosa Ziehau
e69fbdcbdf hyperv/vmbus: Get rid of max_leaf detection; this is actually not used. 
It will be replaced by a new one.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-11 03:14:28 +00:00
Sepherosa Ziehau
2924c4efeb hyperv/vmbus: Nuke unused function 
MFC after:	1 week
Sponsored by:	Microsoft OSTC
 2016-04-11 03:07:35 +00:00
Pedro F. Giffuni
74b8d63dcc Cleanup unnecessary semicolons from the kernel. 
Found with devel/coccinelle.
 2016-04-10 23:07:00 +00:00