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Commit 8a7206a8 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
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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: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 011a7c3c

include/linux/hyperv.h

+14 −0
Original line number Diff line number Diff line
@@ -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);