be2net: Issue fw_init/clean cmds to fw

These cmds are issued to the fw in probe/resume and remove/suspend
paths to help fw execute some initialization and cleanup code.

This change needed the be_hw_up() code to be refactored as be_get_config().

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 51 insertions, 0 deletions

diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 31980f863d12..2af87f100307 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -357,6 +357,57 @@ static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter)
         return wrb;
 }
 
+/* Tell fw we're about to start firing cmds by writing a
+ * special pattern across the wrb hdr; uses mbox
+ */
+int be_cmd_fw_init(struct be_adapter *adapter)
+{
+        u8 *wrb;
+        int status;
+
+        spin_lock(&adapter->mbox_lock);
+
+        wrb = (u8 *)wrb_from_mbox(adapter);
+        *wrb++ = 0xFF;
+        *wrb++ = 0x12;
+        *wrb++ = 0x34;
+        *wrb++ = 0xFF;
+        *wrb++ = 0xFF;
+        *wrb++ = 0x56;
+        *wrb++ = 0x78;
+        *wrb = 0xFF;
+
+        status = be_mbox_notify_wait(adapter);
+
+        spin_unlock(&adapter->mbox_lock);
+        return status;
+}
+
+/* Tell fw we're done with firing cmds by writing a
+ * special pattern across the wrb hdr; uses mbox
+ */
+int be_cmd_fw_clean(struct be_adapter *adapter)
+{
+        u8 *wrb;
+        int status;
+
+        spin_lock(&adapter->mbox_lock);
+
+        wrb = (u8 *)wrb_from_mbox(adapter);
+        *wrb++ = 0xFF;
+        *wrb++ = 0xAA;
+        *wrb++ = 0xBB;
+        *wrb++ = 0xFF;
+        *wrb++ = 0xFF;
+        *wrb++ = 0xCC;
+        *wrb++ = 0xDD;
+        *wrb = 0xFF;
+
+        status = be_mbox_notify_wait(adapter);
+
+        spin_unlock(&adapter->mbox_lock);
+        return status;
+}
 int be_cmd_eq_create(struct be_adapter *adapter,
                 struct be_queue_info *eq, int eq_delay)
 {