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authorAlex Ng <alexng@messages.microsoft.com>2017-01-28 20:37:18 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-31 11:05:59 +0100
commit1274a690f6b2bd2b37447c47e3062afa8aa43f93 (patch)
treec001936cee73557c365622d2595922703f1acf6d /drivers/hv/hv_snapshot.c
parentDrivers: hv: vmbus: Use all supported IC versions to negotiate (diff)
downloadlinux-1274a690f6b2bd2b37447c47e3062afa8aa43f93.tar.xz
linux-1274a690f6b2bd2b37447c47e3062afa8aa43f93.zip
Drivers: hv: Log the negotiated IC versions.
Log the negotiated IC versions. Signed-off-by: Alex Ng <alexng@messages.microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv/hv_snapshot.c')
-rw-r--r--drivers/hv/hv_snapshot.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/hv/hv_snapshot.c b/drivers/hv/hv_snapshot.c
index d14f10b924a0..bcc03f0748d6 100644
--- a/drivers/hv/hv_snapshot.c
+++ b/drivers/hv/hv_snapshot.c
@@ -304,7 +304,7 @@ void hv_vss_onchannelcallback(void *context)
u32 recvlen;
u64 requestid;
struct hv_vss_msg *vss_msg;
-
+ int vss_srv_version;
struct icmsg_hdr *icmsghdrp;
@@ -319,10 +319,15 @@ void hv_vss_onchannelcallback(void *context)
sizeof(struct vmbuspipe_hdr)];
if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
- vmbus_prep_negotiate_resp(icmsghdrp,
+ if (vmbus_prep_negotiate_resp(icmsghdrp,
recv_buffer, fw_versions, FW_VER_COUNT,
vss_versions, VSS_VER_COUNT,
- NULL, NULL);
+ NULL, &vss_srv_version)) {
+
+ pr_info("VSS IC version %d.%d\n",
+ vss_srv_version >> 16,
+ vss_srv_version & 0xFFFF);
+ }
} else {
vss_msg = (struct hv_vss_msg *)&recv_buffer[
sizeof(struct vmbuspipe_hdr) +