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hyperv/chan: Add sysctl node to check whether monitor is allocated or not

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MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5502
This commit is contained in:
sephe 2016-03-02 01:26:05 +00:00
parent 294cebd520
commit e1124555b1
1 changed files with 15 additions and 0 deletions
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15
sys/dev/hyperv/vmbus/hv_channel.c
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@ -81,6 +81,17 @@ vmbus_channel_set_event(hv_vmbus_channel *channel)
}
static int
vmbus_channel_sysctl_monalloc(SYSCTL_HANDLER_ARGS)
{
struct hv_vmbus_channel *chan = arg1;
int alloc = 0;
if (chan->offer_msg.monitor_allocated)
alloc = 1;
return sysctl_handle_int(oidp, &alloc, 0, req);
}
static void
hv_vmbus_channel_stat(hv_vmbus_channel* channel)
{
@ -129,6 +140,10 @@ hv_vmbus_channel_stat(hv_vmbus_channel* channel)
}
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(devch_id_sysctl), OID_AUTO,
"cpu", CTLFLAG_RD, &channel->target_cpu, 0, "owner CPU id");
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(devch_id_sysctl), OID_AUTO,
"monitor_allocated", CTLTYPE_INT | CTLFLAG_RD, channel, 0,
vmbus_channel_sysctl_monalloc, "I",
"is monitor allocated to this channel");
devch_id_in_sysctl = SYSCTL_ADD_NODE(ctx,
SYSCTL_CHILDREN(devch_id_sysctl),