Author: sephe
Date: Tue Jul 12 08:21:28 2016
New Revision: 302632
URL: https://svnweb.freebsd.org/changeset/base/302632

Log:
  hyperv/vmbus: More verbose for GPADL_connect/chan_{rescind,offer}
  
  Reviewed by:  Dexuan Cui <decui microsoft com>, Hongjiang Zhang <honzhan 
microsoft com>
  MFC after:    1 week
  Sponsored by: Microsoft OSTC
  Differential Revision:        https://reviews.freebsd.org/D6976

Modified:
  head/sys/dev/hyperv/vmbus/hv_channel.c
  head/sys/dev/hyperv/vmbus/hv_channel_mgmt.c

Modified: head/sys/dev/hyperv/vmbus/hv_channel.c
==============================================================================
--- head/sys/dev/hyperv/vmbus/hv_channel.c      Tue Jul 12 08:11:16 2016        
(r302631)
+++ head/sys/dev/hyperv/vmbus/hv_channel.c      Tue Jul 12 08:21:28 2016        
(r302632)
@@ -423,6 +423,11 @@ hv_vmbus_channel_establish_gpadl(struct 
                device_printf(sc->vmbus_dev, "gpadl->chan%u failed: "
                    "status %u\n", channel->offer_msg.child_rel_id, status);
                return EIO;
+       } else {
+               if (bootverbose) {
+                       device_printf(sc->vmbus_dev, "gpadl->chan%u "
+                           "succeeded\n", channel->offer_msg.child_rel_id);
+               }
        }
        return 0;
 }

Modified: head/sys/dev/hyperv/vmbus/hv_channel_mgmt.c
==============================================================================
--- head/sys/dev/hyperv/vmbus/hv_channel_mgmt.c Tue Jul 12 08:11:16 2016        
(r302631)
+++ head/sys/dev/hyperv/vmbus/hv_channel_mgmt.c Tue Jul 12 08:21:28 2016        
(r302632)
@@ -142,6 +142,19 @@ vmbus_channel_process_offer(hv_vmbus_cha
        }
        mtx_unlock(&sc->vmbus_chlist_lock);
 
+       if (bootverbose) {
+               char logstr[64];
+
+               logstr[0] = '\0';
+               if (channel != NULL) {
+                       snprintf(logstr, sizeof(logstr), ", primary chan%u",
+                           channel->offer_msg.child_rel_id);
+               }
+               device_printf(sc->vmbus_dev, "chan%u subchanid%u offer%s\n",
+                   new_channel->offer_msg.child_rel_id,
+                   new_channel->offer_msg.offer.sub_channel_index, logstr);
+       }
+
        if (channel != NULL) {
                /*
                 * Check if this is a sub channel.
@@ -157,13 +170,6 @@ vmbus_channel_process_offer(hv_vmbus_cha
                            new_channel, sc_list_entry);
                        mtx_unlock(&channel->sc_lock);
 
-                       if (bootverbose) {
-                               printf("VMBUS get multi-channel offer, "
-                                   "rel=%u, sub=%u\n",
-                                   new_channel->offer_msg.child_rel_id,
-                                   
new_channel->offer_msg.offer.sub_channel_index);    
-                       }
-
                        /*
                         * Insert the new channel to the end of the global
                         * channel list.
@@ -178,11 +184,6 @@ vmbus_channel_process_offer(hv_vmbus_cha
                            ch_link);
                        mtx_unlock(&sc->vmbus_chlist_lock);
 
-                       if(bootverbose)
-                               printf("VMBUS: new multi-channel offer <%p>, "
-                                   "its primary channel is <%p>.\n",
-                                   new_channel, new_channel->primary_channel);
-
                        new_channel->state = HV_CHANNEL_OPEN_STATE;
 
                        /*
@@ -345,6 +346,10 @@ vmbus_channel_on_offer_rescind(struct vm
        hv_vmbus_channel*               channel;
 
        rescind = (const hv_vmbus_channel_rescind_offer *)msg->msg_data;
+       if (bootverbose) {
+               device_printf(sc->vmbus_dev, "chan%u rescind\n",
+                   rescind->child_rel_id);
+       }
 
        channel = hv_vmbus_g_connection.channels[rescind->child_rel_id];
        if (channel == NULL)
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