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path: root/drivers/hv/hv_fcopy.c
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Diffstat (limited to 'drivers/hv/hv_fcopy.c')
-rw-r--r--drivers/hv/hv_fcopy.c29
1 files changed, 23 insertions, 6 deletions
diff --git a/drivers/hv/hv_fcopy.c b/drivers/hv/hv_fcopy.c
index 8b2ba98831ec..9aee6014339d 100644
--- a/drivers/hv/hv_fcopy.c
+++ b/drivers/hv/hv_fcopy.c
@@ -31,6 +31,16 @@
#define WIN8_SRV_MINOR 1
#define WIN8_SRV_VERSION (WIN8_SRV_MAJOR << 16 | WIN8_SRV_MINOR)
+#define FCOPY_VER_COUNT 1
+static const int fcopy_versions[] = {
+ WIN8_SRV_VERSION
+};
+
+#define FW_VER_COUNT 1
+static const int fw_versions[] = {
+ UTIL_FW_VERSION
+};
+
/*
* Global state maintained for transaction that is being processed.
* For a class of integration services, including the "file copy service",
@@ -61,6 +71,7 @@ static DECLARE_WORK(fcopy_send_work, fcopy_send_data);
static const char fcopy_devname[] = "vmbus/hv_fcopy";
static u8 *recv_buffer;
static struct hvutil_transport *hvt;
+static struct completion release_event;
/*
* This state maintains the version number registered by the daemon.
*/
@@ -227,8 +238,6 @@ void hv_fcopy_onchannelcallback(void *context)
u64 requestid;
struct hv_fcopy_hdr *fcopy_msg;
struct icmsg_hdr *icmsghdr;
- struct icmsg_negotiate *negop = NULL;
- int util_fw_version;
int fcopy_srv_version;
if (fcopy_transaction.state > HVUTIL_READY)
@@ -242,10 +251,15 @@ void hv_fcopy_onchannelcallback(void *context)
icmsghdr = (struct icmsg_hdr *)&recv_buffer[
sizeof(struct vmbuspipe_hdr)];
if (icmsghdr->icmsgtype == ICMSGTYPE_NEGOTIATE) {
- util_fw_version = UTIL_FW_VERSION;
- fcopy_srv_version = WIN8_SRV_VERSION;
- vmbus_prep_negotiate_resp(icmsghdr, negop, recv_buffer,
- util_fw_version, fcopy_srv_version);
+ if (vmbus_prep_negotiate_resp(icmsghdr, recv_buffer,
+ fw_versions, FW_VER_COUNT,
+ fcopy_versions, FCOPY_VER_COUNT,
+ NULL, &fcopy_srv_version)) {
+
+ pr_info("FCopy IC version %d.%d\n",
+ fcopy_srv_version >> 16,
+ fcopy_srv_version & 0xFFFF);
+ }
} else {
fcopy_msg = (struct hv_fcopy_hdr *)&recv_buffer[
sizeof(struct vmbuspipe_hdr) +
@@ -317,6 +331,7 @@ static void fcopy_on_reset(void)
if (cancel_delayed_work_sync(&fcopy_timeout_work))
fcopy_respond_to_host(HV_E_FAIL);
+ complete(&release_event);
}
int hv_fcopy_init(struct hv_util_service *srv)
@@ -324,6 +339,7 @@ int hv_fcopy_init(struct hv_util_service *srv)
recv_buffer = srv->recv_buffer;
fcopy_transaction.recv_channel = srv->channel;
+ init_completion(&release_event);
/*
* When this driver loads, the user level daemon that
* processes the host requests may not yet be running.
@@ -345,4 +361,5 @@ void hv_fcopy_deinit(void)
fcopy_transaction.state = HVUTIL_DEVICE_DYING;
cancel_delayed_work_sync(&fcopy_timeout_work);
hvutil_transport_destroy(hvt);
+ wait_for_completion(&release_event);
}