cxgb4vf: add call to Firmware to reset VF State.

Add call to Firmware to reset its VF State when we first attach to the VF.

Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 19 insertions, 0 deletions

diff --git a/drivers/net/cxgb4vf/t4vf_hw.c b/drivers/net/cxgb4vf/t4vf_hw.c
index ea1c123f0cb..e306c20dfae 100644
--- a/drivers/net/cxgb4vf/t4vf_hw.c
+++ b/drivers/net/cxgb4vf/t4vf_hw.c
@@ -326,6 +326,25 @@ int __devinit t4vf_port_init(struct adapter *adapter, int pidx)
 }
 
 /**
+ *      t4vf_fw_reset - issue a reset to FW
+ *      @adapter: the adapter
+ *
+ *      Issues a reset command to FW.  For a Physical Function this would
+ *      result in the Firmware reseting all of its state.  For a Virtual
+ *      Function this just resets the state associated with the VF.
+ */
+int t4vf_fw_reset(struct adapter *adapter)
+{
+        struct fw_reset_cmd cmd;
+
+        memset(&cmd, 0, sizeof(cmd));
+        cmd.op_to_write = cpu_to_be32(FW_CMD_OP(FW_RESET_CMD) |
+                                      FW_CMD_WRITE);
+        cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
+        return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL);
+}
+
+/**
  *      t4vf_query_params - query FW or device parameters
  *      @adapter: the adapter
  *      @nparams: the number of parameters