qlge: Add alternate function's reg dump to fw dump.

Get the 2nd (other) nic function register values.

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

1 files changed, 30 insertions, 0 deletions

diff --git a/drivers/net/qlge/qlge_dbg.c b/drivers/net/qlge/qlge_dbg.c
index 833cfd7a22c1..181281390129 100644
--- a/drivers/net/qlge/qlge_dbg.c
+++ b/drivers/net/qlge/qlge_dbg.c
@@ -1,5 +1,23 @@
 #include "qlge.h"
 
+/* Read a NIC register from the alternate function. */
+static u32 ql_read_other_func_reg(struct ql_adapter *qdev,
+                                                u32 reg)
+{
+        u32 register_to_read;
+        u32 reg_val;
+        unsigned int status = 0;
+
+        register_to_read = MPI_NIC_REG_BLOCK
+                                | MPI_NIC_READ
+                                | (qdev->alt_func << MPI_NIC_FUNCTION_SHIFT)
+                                | reg;
+        status = ql_read_mpi_reg(qdev, register_to_read, &reg_val);
+        if (status != 0)
+                return 0xffffffff;
+
+        return reg_val;
+}
 
 static int ql_get_ets_regs(struct ql_adapter *qdev, u32 * buf)
 {
@@ -371,16 +389,28 @@ int ql_core_dump(struct ql_adapter *qdev, struct ql_mpi_coredump *mpi_coredump)
                         sizeof(struct mpi_coredump_segment_header) +
                         sizeof(mpi_coredump->nic_regs), "NIC1 Registers");
 
+        ql_build_coredump_seg_header(&mpi_coredump->nic2_regs_seg_hdr,
+                        NIC2_CONTROL_SEG_NUM,
+                        sizeof(struct mpi_coredump_segment_header) +
+                        sizeof(mpi_coredump->nic2_regs), "NIC2 Registers");
+
         if (qdev->func & 1) {
                 /* Odd means our function is NIC 2 */
                 for (i = 0; i < NIC_REGS_DUMP_WORD_COUNT; i++)
                         mpi_coredump->nic2_regs[i] =
                                          ql_read32(qdev, i * sizeof(u32));
+
+                for (i = 0; i < NIC_REGS_DUMP_WORD_COUNT; i++)
+                        mpi_coredump->nic_regs[i] =
+                        ql_read_other_func_reg(qdev, (i * sizeof(u32)) / 4);
         } else {
                 /* Even means our function is NIC 1 */
                 for (i = 0; i < NIC_REGS_DUMP_WORD_COUNT; i++)
                         mpi_coredump->nic_regs[i] =
                                         ql_read32(qdev, i * sizeof(u32));
+                for (i = 0; i < NIC_REGS_DUMP_WORD_COUNT; i++)
+                        mpi_coredump->nic2_regs[i] =
+                        ql_read_other_func_reg(qdev, (i * sizeof(u32)) / 4);
         }
 
         ql_build_coredump_seg_header(&mpi_coredump->core_regs_seg_hdr,