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-rw-r--r--include/linux/hyperv.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 5a2ba674795e..80e444bfc9dc 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -646,6 +646,9 @@ struct hv_input_signal_event_buffer {
};
struct vmbus_channel {
+ /* Unique channel id */
+ int id;
+
struct list_head listentry;
struct hv_device *device_obj;
@@ -758,6 +761,9 @@ struct vmbus_channel {
* link up channels based on their CPU affinity.
*/
struct list_head percpu_list;
+
+ int num_sc;
+ int next_oc;
};
static inline void set_channel_read_state(struct vmbus_channel *c, bool state)
@@ -861,6 +867,14 @@ extern int vmbus_sendpacket(struct vmbus_channel *channel,
enum vmbus_packet_type type,
u32 flags);
+extern int vmbus_sendpacket_ctl(struct vmbus_channel *channel,
+ void *buffer,
+ u32 bufferLen,
+ u64 requestid,
+ enum vmbus_packet_type type,
+ u32 flags,
+ bool kick_q);
+
extern int vmbus_sendpacket_pagebuffer(struct vmbus_channel *channel,
struct hv_page_buffer pagebuffers[],
u32 pagecount,
@@ -868,6 +882,15 @@ extern int vmbus_sendpacket_pagebuffer(struct vmbus_channel *channel,
u32 bufferlen,
u64 requestid);
+extern int vmbus_sendpacket_pagebuffer_ctl(struct vmbus_channel *channel,
+ struct hv_page_buffer pagebuffers[],
+ u32 pagecount,
+ void *buffer,
+ u32 bufferlen,
+ u64 requestid,
+ u32 flags,
+ bool kick_q);
+
extern int vmbus_sendpacket_multipagebuffer(struct vmbus_channel *channel,
struct hv_multipage_buffer *mpb,
void *buffer,
@@ -1107,6 +1130,16 @@ void vmbus_driver_unregister(struct hv_driver *hv_driver);
}
/*
+ * NetworkDirect. This is the guest RDMA service.
+ * {8c2eaf3d-32a7-4b09-ab99-bd1f1c86b501}
+ */
+#define HV_ND_GUID \
+ .guid = { \
+ 0x3d, 0xaf, 0x2e, 0x8c, 0xa7, 0x32, 0x09, 0x4b, \
+ 0xab, 0x99, 0xbd, 0x1f, 0x1c, 0x86, 0xb5, 0x01 \
+ }
+
+/*
* Common header for Hyper-V ICs
*/
@@ -1213,6 +1246,7 @@ void hv_kvp_onchannelcallback(void *);
int hv_vss_init(struct hv_util_service *);
void hv_vss_deinit(void);
void hv_vss_onchannelcallback(void *);
+void hv_process_channel_removal(struct vmbus_channel *channel, u32 relid);
extern struct resource hyperv_mmio;
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