Commit Graph
105 Commits
Author SHA1 Message Date
Sepherosa Ziehau 227bb849d3 hyperv: Add method to read 64bit Hyper-V specific time value.
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D9057
2017-01-09 03:38:41 +00:00
Sepherosa Ziehau 9622c93ae8 hyperv: Allow userland to ro-mmap reference TSC page
This paves way to implement VDSO for the enlightened time counter.

Reviewed by:	kib
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8768
2016-12-15 03:32:24 +00:00
Sepherosa Ziehau de69dfbbbc hyperv: Implement "enlightened" time counter, which is rdtsc based.
Reviewed by:	kib
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8763
2016-12-14 03:20:57 +00:00
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 096d83feb9 hyperv/timesync: Support "sent TC" to improve accuracy.
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8723
2016-12-08 05:37:39 +00:00
Sepherosa Ziehau 1b34e69534 hyperv/vmbus: Add result polling support for xact API.
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8633
2016-11-28 07:27:08 +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 494ec41ae2 hyperv/vmbus: Implement orphan support for transaction API
It will be used to fix the primary channel revocation support.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8525
2016-11-24 04:58:13 +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 8f3bf5f97b hyperv/vmbus: Support transction result busy-wait.
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8488
2016-11-21 05:09:43 +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 3dba61dd3c hyperv/vmbus: Use xact APIs to implement post message Hypercall APIs
Avoid code duplication.

MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7458
2016-08-11 06:24:17 +00:00
Sepherosa Ziehau 6212aa15fc hyperv/vmbus: Add APIs for various types of transactions.
Reviewed by:	Jun Su <junsu microsoft com>
MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D7456
2016-08-11 05:49:49 +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 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 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 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 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
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