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| author | K. Y. Srinivasan <kys@microsoft.com> | 2014-02-03 12:42:45 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-07 15:22:40 -0800 |
| commit | 8a7206a89f85c8439561b0eff85bb9440a2e97a9 (patch) | |
| tree | 61f763919607368481ac128f56416df1f49cd187 /include/linux/hyperv.h | |
| parent | 011a7c3cc3aa60c7ea6bb49d847e80a299ba7b36 (diff) | |
| download | lwn-8a7206a89f85c8439561b0eff85bb9440a2e97a9.tar.gz lwn-8a7206a89f85c8439561b0eff85bb9440a2e97a9.zip | |
Drivers: hv: vmbus: Support per-channel driver state
As we implement Virtual Receive Side Scaling on the networking side
(the VRSS patches are currently under review), it will be useful to have
per-channel state that vmbus drivers can manage. Add support for
managing per-channel state.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/hyperv.h')
| -rw-r--r-- | include/linux/hyperv.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 9b07e1f070ac..d47bab9e7a18 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -727,6 +727,10 @@ struct vmbus_channel { * This will be NULL for the primary channel. */ struct vmbus_channel *primary_channel; + /* + * Support per-channel state for use by vmbus drivers. + */ + void *per_channel_state; }; static inline void set_channel_read_state(struct vmbus_channel *c, bool state) @@ -734,6 +738,16 @@ static inline void set_channel_read_state(struct vmbus_channel *c, bool state) c->batched_reading = state; } +static inline void set_per_channel_state(struct vmbus_channel *c, void *s) +{ + c->per_channel_state = s; +} + +static inline void *get_per_channel_state(struct vmbus_channel *c) +{ + return c->per_channel_state; +} + void vmbus_onmessage(void *context); int vmbus_request_offers(void); |