summaryrefslogtreecommitdiff
path: root/include/linux/hyperv.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/hyperv.h')
-rw-r--r--include/linux/hyperv.h33
1 files changed, 11 insertions, 22 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 6431087816ba..93bd6fcd6e62 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -127,28 +127,6 @@ struct hv_ring_buffer_info {
u32 priv_read_index;
};
-/*
- *
- * hv_get_ringbuffer_availbytes()
- *
- * Get number of bytes available to read and to write to
- * for the specified ring buffer
- */
-static inline void
-hv_get_ringbuffer_availbytes(const struct hv_ring_buffer_info *rbi,
- u32 *read, u32 *write)
-{
- u32 read_loc, write_loc, dsize;
-
- /* Capture the read/write indices before they changed */
- read_loc = rbi->ring_buffer->read_index;
- write_loc = rbi->ring_buffer->write_index;
- dsize = rbi->ring_datasize;
-
- *write = write_loc >= read_loc ? dsize - (write_loc - read_loc) :
- read_loc - write_loc;
- *read = dsize - *write;
-}
static inline u32 hv_get_bytes_to_read(const struct hv_ring_buffer_info *rbi)
{
@@ -708,6 +686,7 @@ struct vmbus_channel {
u8 monitor_bit;
bool rescind; /* got rescind msg */
+ struct completion rescind_event;
u32 ringbuffer_gpadlhandle;
@@ -719,6 +698,10 @@ struct vmbus_channel {
struct vmbus_close_msg close_msg;
+ /* Statistics */
+ u64 interrupts; /* Host to Guest interrupts */
+ u64 sig_events; /* Guest to Host events */
+
/* Channel callback's invoked in softirq context */
struct tasklet_struct callback_event;
void (*onchannel_callback)(void *context);
@@ -829,6 +812,11 @@ struct vmbus_channel {
struct rcu_head rcu;
/*
+ * For sysfs per-channel properties.
+ */
+ struct kobject kobj;
+
+ /*
* For performance critical channels (storage, networking
* etc,), Hyper-V has a mechanism to enhance the throughput
* at the expense of latency:
@@ -1089,6 +1077,7 @@ struct hv_device {
struct device device;
struct vmbus_channel *channel;
+ struct kset *channels_kset;
};