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OpenCloudOS-Kernel
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Drivers: hv: utils: Fix the mapping between host version and protocol to use 

We should intentionally declare the protocols to use for every known host
and default to using the latest protocol if the host is unknown or new.

Signed-off-by: Alex Ng <alexng@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alex Ng 2016-11-06 13:14:07 -08:00 committed by Greg Kroah-Hartman
parent d7edd31ba9
commit 3da0401b4d
1 changed files with 10 additions and 7 deletions
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17
drivers/hv/hv_util.c
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@ -389,17 +389,20 @@ static int util_probe(struct hv_device *dev,
ts_srv_version = TS_VERSION_1;
hb_srv_version = HB_VERSION_1;
break;
case(VERSION_WIN10):
util_fw_version = UTIL_FW_VERSION;
sd_srv_version = SD_VERSION;
ts_srv_version = TS_VERSION;
hb_srv_version = HB_VERSION;
break;
default:
case VERSION_WIN7:
case VERSION_WIN8:
case VERSION_WIN8_1:
util_fw_version = UTIL_FW_VERSION;
sd_srv_version = SD_VERSION;
ts_srv_version = TS_VERSION_3;
hb_srv_version = HB_VERSION;
break;
case VERSION_WIN10:
default:
util_fw_version = UTIL_FW_VERSION;
sd_srv_version = SD_VERSION;
ts_srv_version = TS_VERSION;
hb_srv_version = HB_VERSION;
}
ret = vmbus_open(dev->channel, 4 * PAGE_SIZE, 4 * PAGE_SIZE, NULL, 0,