Subject: [PATCH V6 2/8] Drivers: hv: vmbus: define the new offer type for Hyper-V socket (hvsock)

From: Dexuan Cui <[email-masked]>
Date: Tue, 26 Jan 2016 01:44:15 -0800

A helper function is also added.

Signed-off-by: Dexuan Cui <[email-masked]>
---
 include/linux/hyperv.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index e4867a7..c0eddd7 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -235,6 +235,7 @@ struct vmbus_channel_offer {
 #define VMBUS_CHANNEL_LOOPBACK_OFFER			0x100
 #define VMBUS_CHANNEL_PARENT_OFFER			0x200
 #define VMBUS_CHANNEL_REQUEST_MONITORED_NOTIFICATION	0x400
+#define VMBUS_CHANNEL_TLNPI_PROVIDER_OFFER		0x2000
 
 struct vmpacket_descriptor {
 	u16 type;
@@ -769,6 +770,12 @@ struct vmbus_channel {
 	enum hv_signal_policy  signal_policy;
 };
 
+static inline bool is_hvsock_channel(const struct vmbus_channel *c)
+{
+	return !!(c->offermsg.offer.chn_flags &
+		  VMBUS_CHANNEL_TLNPI_PROVIDER_OFFER);
+}
+
 static inline void set_channel_signal_state(struct vmbus_channel *c,
 					    enum hv_signal_policy policy)
 {
-- 
2.1.0