add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/hv/hv_trace.h
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@@ -1,4 +1,4 @@
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-// SPDX-License-Identifier: GPL-2.0
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+/* SPDX-License-Identifier: GPL-2.0 */
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2
 
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 #undef TRACE_SYSTEM
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 #define TRACE_SYSTEM hyperv
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@@ -44,10 +44,8 @@
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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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-			   memcpy(__entry->if_type,
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-				  &offer->offer.if_type.b, 16);
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-			   memcpy(__entry->if_instance,
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-				  &offer->offer.if_instance.b, 16);
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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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@@ -286,8 +284,8 @@
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 		    __field(int, ret)
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 		    ),
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 	    TP_fast_assign(
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-		    memcpy(__entry->guest_id, &msg->guest_endpoint_id.b, 16);
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-		    memcpy(__entry->host_id, &msg->host_service_id.b, 16);
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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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@@ -296,6 +294,25 @@
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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),