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Staging: hv: vmbus_drv: Introduce state in struct vmbus_channel to track util services

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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@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
K. Y. Srinivasan 2011-05-16 06:44:35 -07:00 • committed by Greg Kroah-Hartman
parent 7e0b3bf3ab
commit 31bceb845e
2 changed files with 7 additions and 0 deletions
drivers/staging/hv
channel_mgmt.chyperv.h

2
drivers/staging/hv/channel_mgmt.c
View file

@ -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);

5
drivers/staging/hv/hyperv.h
View file

@ -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;
/*