diff options
Diffstat (limited to 'include/linux/hyperv.h')
| -rw-r--r-- | include/linux/hyperv.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index e73b852156b1..1ffe84de6c55 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -882,8 +882,28 @@ struct vmbus_channel { void (*onchannel_callback)(void *context); void *channel_callback_context; + + /* + * A channel can be marked for efficient (batched) + * reading: + * If batched_reading is set to "true", we read until the + * channel is empty and hold off interrupts from the host + * during the entire read process. + * If batched_reading is set to "false", the client is not + * going to perform batched reading. + * + * By default we will enable batched reading; specific + * drivers that don't want this behavior can turn it off. + */ + + bool batched_reading; }; +static inline void set_channel_read_state(struct vmbus_channel *c, bool state) +{ + c->batched_reading = state; +} + void vmbus_onmessage(void *context); int vmbus_request_offers(void); |