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hyperv/ic: Factor out function to send IC response

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MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8844
This commit is contained in:
sephe 2016-12-20 04:51:14 +00:00
parent 1a837765c8
commit e4bb7a507b
5 changed files with 27 additions and 18 deletions
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8
sys/dev/hyperv/utilities/hv_heartbeat.c
View File

@ -110,13 +110,9 @@ vmbus_heartbeat_cb(struct vmbus_channel *chan, void *xsc)
}
/*
* Send response by echoing the updated request back.
* Send response by echoing the request back.
*/
hdr->ic_flags = VMBUS_ICMSG_FLAG_XACT | VMBUS_ICMSG_FLAG_RESP;
error = vmbus_chan_send(chan, VMBUS_CHANPKT_TYPE_INBAND, 0,
data, dlen, xactid);
if (error)
device_printf(sc->ic_dev, "resp send failed: %d\n", error);
vmbus_ic_sendresp(sc, chan, data, dlen, xactid);
}
static int

8
sys/dev/hyperv/utilities/hv_shutdown.c
View File

@ -122,13 +122,9 @@ vmbus_shutdown_cb(struct vmbus_channel *chan, void *xsc)
}
/*
* Send response by echoing the updated request back.
* Send response by echoing the request back.
*/
hdr->ic_flags = VMBUS_ICMSG_FLAG_XACT | VMBUS_ICMSG_FLAG_RESP;
error = vmbus_chan_send(chan, VMBUS_CHANPKT_TYPE_INBAND, 0,
data, dlen, xactid);
if (error)
device_printf(sc->ic_dev, "resp send failed: %d\n", error);
vmbus_ic_sendresp(sc, chan, data, dlen, xactid);
if (do_shutdown)
shutdown_nice(RB_POWEROFF);

8
sys/dev/hyperv/utilities/hv_timesync.c
View File

@ -203,13 +203,9 @@ vmbus_timesync_cb(struct vmbus_channel *chan, void *xsc)
}
/*
* Send response by echoing the updated request back.
* Send response by echoing the request back.
*/
hdr->ic_flags = VMBUS_ICMSG_FLAG_XACT | VMBUS_ICMSG_FLAG_RESP;
error = vmbus_chan_send(chan, VMBUS_CHANPKT_TYPE_INBAND, 0,
data, dlen, xactid);
if (error)
device_printf(sc->ic_dev, "resp send failed: %d\n", error);
vmbus_ic_sendresp(sc, chan, data, dlen, xactid);
}
static int

18
sys/dev/hyperv/utilities/hv_util.c
View File

@ -287,3 +287,21 @@ hv_util_detach(device_t dev)
return (0);
}
int
vmbus_ic_sendresp(struct hv_util_sc *sc, struct vmbus_channel *chan,
void *data, int dlen, uint64_t xactid)
{
struct vmbus_icmsg_hdr *hdr;
int error;
KASSERT(dlen >= sizeof(*hdr), ("invalid data length %d", dlen));
hdr = data;
hdr->ic_flags = VMBUS_ICMSG_FLAG_XACT | VMBUS_ICMSG_FLAG_RESP;
error = vmbus_chan_send(chan, VMBUS_CHANPKT_TYPE_INBAND, 0,
data, dlen, xactid);
if (error)
device_printf(sc->ic_dev, "resp send failed: %d\n", error);
return (error);
}

3
sys/dev/hyperv/utilities/hv_util.h
View File

@ -58,5 +58,8 @@ int hv_util_detach(device_t dev);
int vmbus_ic_probe(device_t dev, const struct vmbus_ic_desc descs[]);
int vmbus_ic_negomsg(struct hv_util_sc *sc, void *data, int *dlen,
uint32_t fw_ver, uint32_t msg_ver);
int vmbus_ic_sendresp(struct hv_util_sc *sc,
struct vmbus_channel *chan, void *data, int dlen,
uint64_t xactid);
#endif