In preparation for getting rid of util channel synchronization based on
counting util channels, introduce state in struct vmbus_channel to
track util services.
Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
Signed-off-by: Abhishek Kane <v-abkane@xxxxxxxxxxxxx>
Signed-off-by: Hank Janssen <hjanssen@xxxxxxxxxxxxx>
---
drivers/staging/hv/channel_mgmt.c | 2 ++
drivers/staging/hv/hyperv.h | 5 +++++
2 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/hv/channel_mgmt.c b/drivers/staging/hv/channel_mgmt.c
index e8c706c..1021713 100644
--- a/drivers/staging/hv/channel_mgmt.c
+++ b/drivers/staging/hv/channel_mgmt.c
@@ -419,6 +419,7 @@ static void vmbus_process_offer(struct work_struct *work)
* can cleanup properly
*/
newchannel->state = CHANNEL_OPEN_STATE;
+ newchannel->util_index = -1; /* Invalid index */
/* Open IC channels */
for (cnt = 0; cnt < MAX_MSG_TYPES; cnt++) {
@@ -430,6 +431,7 @@ static void vmbus_process_offer(struct work_struct *work)
hv_cb_utils[cnt].callback,
newchannel) == 0) {
hv_cb_utils[cnt].channel = newchannel;
+ newchannel->util_index = cnt;
pr_info("%s\n", hv_cb_utils[cnt].log_msg);
diff --git a/drivers/staging/hv/hyperv.h b/drivers/staging/hv/hyperv.h
index 56af1ec..8b826a1 100644
--- a/drivers/staging/hv/hyperv.h
+++ b/drivers/staging/hv/hyperv.h
@@ -532,6 +532,11 @@ struct vmbus_channel {
struct work_struct work;
enum vmbus_channel_state state;
+ /*
+ * For util channels, stash the
+ * the service index for easy access.
+ */
+ s8 util_index;
struct vmbus_channel_offer_channel offermsg;
/*
--
1.7.4.1
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