qlge: Add module param to force firmware core dump.

Default setting is 'off', don't allow force firmware dump.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/net/qlge/qlge_dbg.c b/drivers/net/qlge/qlge_dbg.c
index ec4349a254cc..57df835147eb 100644
--- a/drivers/net/qlge/qlge_dbg.c
+++ b/drivers/net/qlge/qlge_dbg.c
@@ -1222,6 +1222,28 @@ err:
 
 }
 
+static void ql_get_core_dump(struct ql_adapter *qdev)
+{
+        if (!ql_own_firmware(qdev)) {
+                QPRINTK(qdev, DRV, ERR, "%s: Don't own firmware!\n",
+                                        qdev->ndev->name);
+                return;
+        }
+
+        if (!netif_running(qdev->ndev)) {
+                QPRINTK(qdev, IFUP, ERR,
+                        "Force Coredump can only be done from interface "
+                        "that is up.\n");
+                return;
+        }
+
+        if (ql_mb_sys_err(qdev)) {
+                QPRINTK(qdev, IFUP, ERR,
+                        "Fail force coredump with ql_mb_sys_err().\n");
+                return;
+        }
+}
+
 void ql_gen_reg_dump(struct ql_adapter *qdev,
                         struct ql_reg_dump *mpi_coredump)
 {
@@ -1297,6 +1319,9 @@ void ql_gen_reg_dump(struct ql_adapter *qdev,
         status = ql_get_ets_regs(qdev, &mpi_coredump->ets[0]);
         if (status)
                 return;
+
+        if (test_bit(QL_FRC_COREDUMP, &qdev->flags))
+                ql_get_core_dump(qdev);
 }
 
 /* Coredump to messages log file using separate worker thread */