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	 870ced0548
			
		
	
	
		870ced0548
		
	
	
	
	
		
			
			Introduce the CHANNELMSG_MODIFYCHANNEL_RESPONSE message type, and code to receive and process such a message. Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Link: https://lore.kernel.org/r/20210416143449.16185-3-parri.andrea@gmail.com Signed-off-by: Wei Liu <wei.liu@kernel.org>
		
			
				
	
	
		
			362 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			362 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| 
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| #undef TRACE_SYSTEM
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| #define TRACE_SYSTEM hyperv
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| 
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| #if !defined(_HV_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
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| #define _HV_TRACE_H
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| 
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| #include <linux/tracepoint.h>
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| 
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| DECLARE_EVENT_CLASS(vmbus_hdr_msg,
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| 	TP_PROTO(const struct vmbus_channel_message_header *hdr),
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| 	TP_ARGS(hdr),
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| 	TP_STRUCT__entry(__field(unsigned int, msgtype)),
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| 	TP_fast_assign(__entry->msgtype = hdr->msgtype;),
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| 	TP_printk("msgtype=%u", __entry->msgtype)
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| );
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| 
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| DEFINE_EVENT(vmbus_hdr_msg, vmbus_on_msg_dpc,
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| 	TP_PROTO(const struct vmbus_channel_message_header *hdr),
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| 	TP_ARGS(hdr)
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| );
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| 
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| DEFINE_EVENT(vmbus_hdr_msg, vmbus_on_message,
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| 	TP_PROTO(const struct vmbus_channel_message_header *hdr),
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| 	TP_ARGS(hdr)
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| );
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| 
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| TRACE_EVENT(vmbus_onoffer,
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| 	    TP_PROTO(const struct vmbus_channel_offer_channel *offer),
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| 	    TP_ARGS(offer),
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| 	    TP_STRUCT__entry(
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| 		    __field(u32, child_relid)
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| 		    __field(u8, monitorid)
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| 		    __field(u16, is_ddc_int)
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| 		    __field(u32, connection_id)
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| 		    __array(char, if_type, 16)
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| 		    __array(char, if_instance, 16)
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| 		    __field(u16, chn_flags)
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| 		    __field(u16, mmio_mb)
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| 		    __field(u16, sub_idx)
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| 		    ),
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| 	    TP_fast_assign(__entry->child_relid = offer->child_relid;
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| 			   __entry->monitorid = offer->monitorid;
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| 			   __entry->is_ddc_int = offer->is_dedicated_interrupt;
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| 			   __entry->connection_id = offer->connection_id;
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| 			   export_guid(__entry->if_type, &offer->offer.if_type);
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| 			   export_guid(__entry->if_instance, &offer->offer.if_instance);
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| 			   __entry->chn_flags = offer->offer.chn_flags;
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| 			   __entry->mmio_mb = offer->offer.mmio_megabytes;
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| 			   __entry->sub_idx = offer->offer.sub_channel_index;
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| 		    ),
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| 	    TP_printk("child_relid 0x%x, monitorid 0x%x, is_dedicated %d, "
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| 		      "connection_id 0x%x, if_type %pUl, if_instance %pUl, "
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| 		      "chn_flags 0x%x, mmio_megabytes %d, sub_channel_index %d",
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| 		      __entry->child_relid, __entry->monitorid,
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| 		      __entry->is_ddc_int, __entry->connection_id,
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| 		      __entry->if_type, __entry->if_instance,
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| 		      __entry->chn_flags, __entry->mmio_mb,
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| 		      __entry->sub_idx
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| 		    )
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| 	);
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| 
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| TRACE_EVENT(vmbus_onoffer_rescind,
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| 	    TP_PROTO(const struct vmbus_channel_rescind_offer *offer),
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| 	    TP_ARGS(offer),
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| 	    TP_STRUCT__entry(__field(u32, child_relid)),
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| 	    TP_fast_assign(__entry->child_relid = offer->child_relid),
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| 	    TP_printk("child_relid 0x%x", __entry->child_relid)
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| 	);
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| 
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| TRACE_EVENT(vmbus_onopen_result,
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| 	    TP_PROTO(const struct vmbus_channel_open_result *result),
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| 	    TP_ARGS(result),
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| 	    TP_STRUCT__entry(
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| 		    __field(u32, child_relid)
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| 		    __field(u32, openid)
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| 		    __field(u32, status)
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| 		    ),
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| 	    TP_fast_assign(__entry->child_relid = result->child_relid;
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| 			   __entry->openid = result->openid;
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| 			   __entry->status = result->status;
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| 		    ),
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| 	    TP_printk("child_relid 0x%x, openid %d, status %d",
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| 		      __entry->child_relid,  __entry->openid,  __entry->status
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| 		    )
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| 	);
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| 
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| TRACE_EVENT(vmbus_ongpadl_created,
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| 	    TP_PROTO(const struct vmbus_channel_gpadl_created *gpadlcreated),
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| 	    TP_ARGS(gpadlcreated),
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| 	    TP_STRUCT__entry(
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| 		    __field(u32, child_relid)
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| 		    __field(u32, gpadl)
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| 		    __field(u32, status)
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| 		    ),
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| 	    TP_fast_assign(__entry->child_relid = gpadlcreated->child_relid;
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| 			   __entry->gpadl = gpadlcreated->gpadl;
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| 			   __entry->status = gpadlcreated->creation_status;
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| 		    ),
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| 	    TP_printk("child_relid 0x%x, gpadl 0x%x, creation_status %d",
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| 		      __entry->child_relid,  __entry->gpadl,  __entry->status
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| 		    )
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| 	);
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| 
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| TRACE_EVENT(vmbus_onmodifychannel_response,
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| 	    TP_PROTO(const struct vmbus_channel_modifychannel_response *response),
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| 	    TP_ARGS(response),
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| 	    TP_STRUCT__entry(
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| 		    __field(u32, child_relid)
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| 		    __field(u32, status)
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| 		    ),
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| 	    TP_fast_assign(__entry->child_relid = response->child_relid;
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| 			   __entry->status = response->status;
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| 		    ),
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| 	    TP_printk("child_relid 0x%x, status %d",
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| 		      __entry->child_relid,  __entry->status
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| 		    )
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| 	);
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| 
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| TRACE_EVENT(vmbus_ongpadl_torndown,
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| 	    TP_PROTO(const struct vmbus_channel_gpadl_torndown *gpadltorndown),
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| 	    TP_ARGS(gpadltorndown),
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| 	    TP_STRUCT__entry(__field(u32, gpadl)),
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| 	    TP_fast_assign(__entry->gpadl = gpadltorndown->gpadl),
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| 	    TP_printk("gpadl 0x%x", __entry->gpadl)
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| 	);
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| 
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| TRACE_EVENT(vmbus_onversion_response,
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| 	    TP_PROTO(const struct vmbus_channel_version_response *response),
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| 	    TP_ARGS(response),
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| 	    TP_STRUCT__entry(
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| 		    __field(u8, ver)
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| 		    ),
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| 	    TP_fast_assign(__entry->ver = response->version_supported;
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| 		    ),
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| 	    TP_printk("version_supported %d", __entry->ver)
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| 	);
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| 
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| TRACE_EVENT(vmbus_request_offers,
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| 	    TP_PROTO(int ret),
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| 	    TP_ARGS(ret),
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| 	    TP_STRUCT__entry(__field(int, ret)),
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| 	    TP_fast_assign(__entry->ret = ret),
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| 	    TP_printk("sending ret %d", __entry->ret)
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| 	);
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| 
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| TRACE_EVENT(vmbus_open,
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| 	    TP_PROTO(const struct vmbus_channel_open_channel *msg, int ret),
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| 	    TP_ARGS(msg, ret),
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| 	    TP_STRUCT__entry(
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| 		    __field(u32, child_relid)
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| 		    __field(u32, openid)
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| 		    __field(u32, gpadlhandle)
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| 		    __field(u32, target_vp)
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| 		    __field(u32, offset)
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| 		    __field(int, ret)
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| 		    ),
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| 	    TP_fast_assign(
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| 		    __entry->child_relid = msg->child_relid;
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| 		    __entry->openid = msg->openid;
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| 		    __entry->gpadlhandle = msg->ringbuffer_gpadlhandle;
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| 		    __entry->target_vp = msg->target_vp;
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| 		    __entry->offset = msg->downstream_ringbuffer_pageoffset;
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| 		    __entry->ret = ret;
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| 		    ),
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| 	    TP_printk("sending child_relid 0x%x, openid %d, "
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| 		      "gpadlhandle 0x%x, target_vp 0x%x, offset 0x%x, ret %d",
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| 		      __entry->child_relid,  __entry->openid,
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| 		      __entry->gpadlhandle, __entry->target_vp,
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| 		      __entry->offset, __entry->ret
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| 		    )
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| 	);
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| 
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| TRACE_EVENT(vmbus_close_internal,
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| 	    TP_PROTO(const struct vmbus_channel_close_channel *msg, int ret),
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| 	    TP_ARGS(msg, ret),
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| 	    TP_STRUCT__entry(
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| 		    __field(u32, child_relid)
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| 		    __field(int, ret)
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| 		    ),
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| 	    TP_fast_assign(
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| 		    __entry->child_relid = msg->child_relid;
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| 		    __entry->ret = ret;
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| 		    ),
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| 	    TP_printk("sending child_relid 0x%x, ret %d", __entry->child_relid,
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| 		    __entry->ret)
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| 	);
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| 
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| TRACE_EVENT(vmbus_establish_gpadl_header,
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| 	    TP_PROTO(const struct vmbus_channel_gpadl_header *msg, int ret),
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| 	    TP_ARGS(msg, ret),
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| 	    TP_STRUCT__entry(
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| 		    __field(u32, child_relid)
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| 		    __field(u32, gpadl)
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| 		    __field(u16, range_buflen)
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| 		    __field(u16, rangecount)
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| 		    __field(int, ret)
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| 		    ),
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| 	    TP_fast_assign(
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| 		    __entry->child_relid = msg->child_relid;
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| 		    __entry->gpadl = msg->gpadl;
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| 		    __entry->range_buflen = msg->range_buflen;
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| 		    __entry->rangecount = msg->rangecount;
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| 		    __entry->ret = ret;
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| 		    ),
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| 	    TP_printk("sending child_relid 0x%x, gpadl 0x%x, range_buflen %d "
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| 		      "rangecount %d, ret %d",
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| 		      __entry->child_relid, __entry->gpadl,
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| 		      __entry->range_buflen, __entry->rangecount, __entry->ret
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| 		    )
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| 	);
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| 
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| TRACE_EVENT(vmbus_establish_gpadl_body,
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| 	    TP_PROTO(const struct vmbus_channel_gpadl_body *msg, int ret),
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| 	    TP_ARGS(msg, ret),
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| 	    TP_STRUCT__entry(
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| 		    __field(u32, msgnumber)
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| 		    __field(u32, gpadl)
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| 		    __field(int, ret)
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| 		    ),
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| 	    TP_fast_assign(
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| 		    __entry->msgnumber = msg->msgnumber;
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| 		    __entry->gpadl = msg->gpadl;
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| 		    __entry->ret = ret;
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| 		    ),
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| 	    TP_printk("sending msgnumber %d, gpadl 0x%x, ret %d",
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| 		      __entry->msgnumber, __entry->gpadl, __entry->ret
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| 		    )
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| 	);
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| 
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| TRACE_EVENT(vmbus_teardown_gpadl,
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| 	    TP_PROTO(const struct vmbus_channel_gpadl_teardown *msg, int ret),
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| 	    TP_ARGS(msg, ret),
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| 	    TP_STRUCT__entry(
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| 		    __field(u32, child_relid)
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| 		    __field(u32, gpadl)
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| 		    __field(int, ret)
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| 		    ),
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| 	    TP_fast_assign(
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| 		    __entry->child_relid = msg->child_relid;
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| 		    __entry->gpadl = msg->gpadl;
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| 		    __entry->ret = ret;
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| 		    ),
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| 	    TP_printk("sending child_relid 0x%x, gpadl 0x%x, ret %d",
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| 		      __entry->child_relid, __entry->gpadl, __entry->ret
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| 		    )
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| 	);
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| 
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| TRACE_EVENT(vmbus_negotiate_version,
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| 	    TP_PROTO(const struct vmbus_channel_initiate_contact *msg, int ret),
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| 	    TP_ARGS(msg, ret),
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| 	    TP_STRUCT__entry(
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| 		    __field(u32, ver)
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| 		    __field(u32, target_vcpu)
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| 		    __field(int, ret)
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| 		    __field(u64, int_page)
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| 		    __field(u64, mon_page1)
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| 		    __field(u64, mon_page2)
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| 		    ),
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| 	    TP_fast_assign(
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| 		    __entry->ver = msg->vmbus_version_requested;
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| 		    __entry->target_vcpu = msg->target_vcpu;
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| 		    __entry->int_page = msg->interrupt_page;
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| 		    __entry->mon_page1 = msg->monitor_page1;
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| 		    __entry->mon_page2 = msg->monitor_page2;
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| 		    __entry->ret = ret;
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| 		    ),
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| 	    TP_printk("sending vmbus_version_requested %d, target_vcpu 0x%x, "
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| 		      "pages %llx:%llx:%llx, ret %d",
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| 		      __entry->ver, __entry->target_vcpu, __entry->int_page,
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| 		      __entry->mon_page1, __entry->mon_page2, __entry->ret
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| 		    )
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| 	);
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| 
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| TRACE_EVENT(vmbus_release_relid,
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| 	    TP_PROTO(const struct vmbus_channel_relid_released *msg, int ret),
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| 	    TP_ARGS(msg, ret),
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| 	    TP_STRUCT__entry(
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| 		    __field(u32, child_relid)
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| 		    __field(int, ret)
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| 		    ),
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| 	    TP_fast_assign(
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| 		    __entry->child_relid = msg->child_relid;
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| 		    __entry->ret = ret;
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| 		    ),
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| 	    TP_printk("sending child_relid 0x%x, ret %d",
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| 		      __entry->child_relid, __entry->ret
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| 		    )
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| 	);
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| 
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| TRACE_EVENT(vmbus_send_tl_connect_request,
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| 	    TP_PROTO(const struct vmbus_channel_tl_connect_request *msg,
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| 		     int ret),
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| 	    TP_ARGS(msg, ret),
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| 	    TP_STRUCT__entry(
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| 		    __array(char, guest_id, 16)
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| 		    __array(char, host_id, 16)
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| 		    __field(int, ret)
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| 		    ),
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| 	    TP_fast_assign(
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| 		    export_guid(__entry->guest_id, &msg->guest_endpoint_id);
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| 		    export_guid(__entry->host_id, &msg->host_service_id);
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| 		    __entry->ret = ret;
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| 		    ),
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| 	    TP_printk("sending guest_endpoint_id %pUl, host_service_id %pUl, "
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| 		      "ret %d",
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| 		      __entry->guest_id, __entry->host_id, __entry->ret
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| 		    )
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| 	);
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| 
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| TRACE_EVENT(vmbus_send_modifychannel,
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| 	    TP_PROTO(const struct vmbus_channel_modifychannel *msg,
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| 		     int ret),
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| 	    TP_ARGS(msg, ret),
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| 	    TP_STRUCT__entry(
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| 		    __field(u32, child_relid)
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| 		    __field(u32, target_vp)
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| 		    __field(int, ret)
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| 		    ),
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| 	    TP_fast_assign(
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| 		    __entry->child_relid = msg->child_relid;
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| 		    __entry->target_vp = msg->target_vp;
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| 		    __entry->ret = ret;
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| 		    ),
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| 	    TP_printk("binding child_relid 0x%x to target_vp 0x%x, ret %d",
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| 		      __entry->child_relid, __entry->target_vp, __entry->ret
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| 		    )
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| 	);
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| 
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| DECLARE_EVENT_CLASS(vmbus_channel,
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| 	TP_PROTO(const struct vmbus_channel *channel),
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| 	TP_ARGS(channel),
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| 	TP_STRUCT__entry(__field(u32, relid)),
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| 	TP_fast_assign(__entry->relid = channel->offermsg.child_relid),
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| 	TP_printk("relid 0x%x", __entry->relid)
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| );
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| 
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| DEFINE_EVENT(vmbus_channel, vmbus_chan_sched,
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| 	    TP_PROTO(const struct vmbus_channel *channel),
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| 	    TP_ARGS(channel)
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| );
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| 
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| DEFINE_EVENT(vmbus_channel, vmbus_setevent,
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| 	    TP_PROTO(const struct vmbus_channel *channel),
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| 	    TP_ARGS(channel)
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| );
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| 
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| DEFINE_EVENT(vmbus_channel, vmbus_on_event,
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| 	    TP_PROTO(const struct vmbus_channel *channel),
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| 	    TP_ARGS(channel)
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| );
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| 
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| #undef TRACE_INCLUDE_PATH
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| #define TRACE_INCLUDE_PATH .
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| #undef TRACE_INCLUDE_FILE
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| #define TRACE_INCLUDE_FILE hv_trace
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| #endif /* _HV_TRACE_H */
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| 
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| /* This part must be outside protection */
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| #include <trace/define_trace.h>
 |