qlge: Add firmware info to ethtool get regs.

By default we add firmware information to ethtool get regs.
Optionally firmware info can instead be sent to log.

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

4 files changed, 39 insertions, 5 deletions

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 22821398fc63..b1e815127cde 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -2221,6 +2221,7 @@ int ql_write_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 data);
 int ql_unpause_mpi_risc(struct ql_adapter *qdev);
 int ql_pause_mpi_risc(struct ql_adapter *qdev);
 int ql_hard_reset_mpi_risc(struct ql_adapter *qdev);
+int ql_soft_reset_mpi_risc(struct ql_adapter *qdev);
 int ql_dump_risc_ram_area(struct ql_adapter *qdev, void *buf,
                 u32 ram_addr, int word_count);
 int ql_core_dump(struct ql_adapter *qdev,
@@ -2236,6 +2237,7 @@ int ql_mb_set_mgmnt_traffic_ctl(struct ql_adapter *qdev, u32 control);
 int ql_mb_get_port_cfg(struct ql_adapter *qdev);
 int ql_mb_set_port_cfg(struct ql_adapter *qdev);
 int ql_wait_fifo_empty(struct ql_adapter *qdev);
+void ql_get_dump(struct ql_adapter *qdev, void *buff);
 void ql_gen_reg_dump(struct ql_adapter *qdev,
                         struct ql_reg_dump *mpi_coredump);
 netdev_tx_t ql_lb_send(struct sk_buff *skb, struct net_device *ndev);
diff --git a/drivers/net/qlge/qlge_dbg.c b/drivers/net/qlge/qlge_dbg.c
index 4747492935ef..fca804f36d61 100644
--- a/drivers/net/qlge/qlge_dbg.c
+++ b/drivers/net/qlge/qlge_dbg.c
@@ -1317,9 +1317,28 @@ void ql_gen_reg_dump(struct ql_adapter *qdev,
         status = ql_get_ets_regs(qdev, &mpi_coredump->ets[0]);
         if (status)
                 return;
+}
+
+void ql_get_dump(struct ql_adapter *qdev, void *buff)
+{
+        /*
+         * If the dump has already been taken and is stored
+         * in our internal buffer and if force dump is set then
+         * just start the spool to dump it to the log file
+         * and also, take a snapshot of the general regs to
+         * to the user's buffer or else take complete dump
+         * to the user's buffer if force is not set.
+         */
 
-        if (test_bit(QL_FRC_COREDUMP, &qdev->flags))
+        if (!test_bit(QL_FRC_COREDUMP, &qdev->flags)) {
+                if (!ql_core_dump(qdev, buff))
+                        ql_soft_reset_mpi_risc(qdev);
+                else
+                        netif_err(qdev, drv, qdev->ndev, "coredump failed!\n");
+        } else {
+                ql_gen_reg_dump(qdev, buff);
                 ql_get_core_dump(qdev);
+        }
 }
 
 /* Coredump to messages log file using separate worker thread */
diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c
index 4892d64f4e05..8149cc9de4ca 100644
--- a/drivers/net/qlge/qlge_ethtool.c
+++ b/drivers/net/qlge/qlge_ethtool.c
@@ -375,7 +375,10 @@ static void ql_get_drvinfo(struct net_device *ndev,
         strncpy(drvinfo->bus_info, pci_name(qdev->pdev), 32);
         drvinfo->n_stats = 0;
         drvinfo->testinfo_len = 0;
-        drvinfo->regdump_len = 0;
+        if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
+                drvinfo->regdump_len = sizeof(struct ql_mpi_coredump);
+        else
+                drvinfo->regdump_len = sizeof(struct ql_reg_dump);
         drvinfo->eedump_len = 0;
 }
 
@@ -547,7 +550,12 @@ static void ql_self_test(struct net_device *ndev,
 
 static int ql_get_regs_len(struct net_device *ndev)
 {
-        return sizeof(struct ql_reg_dump);
+        struct ql_adapter *qdev = netdev_priv(ndev);
+
+        if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
+                return sizeof(struct ql_mpi_coredump);
+        else
+                return sizeof(struct ql_reg_dump);
 }
 
 static void ql_get_regs(struct net_device *ndev,
@@ -555,7 +563,12 @@ static void ql_get_regs(struct net_device *ndev,
 {
         struct ql_adapter *qdev = netdev_priv(ndev);
 
-        ql_gen_reg_dump(qdev, p);
+        ql_get_dump(qdev, p);
+        qdev->core_is_dumped = 0;
+        if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
+                regs->len = sizeof(struct ql_mpi_coredump);
+        else
+                regs->len = sizeof(struct ql_reg_dump);
 }
 
 static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index 0e7c7c7ee164..100a462cc916 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -87,7 +87,7 @@ exit:
         return status;
 }
 
-static int ql_soft_reset_mpi_risc(struct ql_adapter *qdev)
+int ql_soft_reset_mpi_risc(struct ql_adapter *qdev)
 {
         int status;
         status = ql_write_mpi_reg(qdev, 0x00001010, 1);