qlge: Add probe regs to firmware dump.
Ron Mercer [Fri, 15 Jan 2010 13:31:29 +0000 (13:31 +0000)]
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/qlge/qlge_dbg.c

index 1d02614..913ca1e 100644 (file)
@@ -123,6 +123,53 @@ static int ql_get_mpi_regs(struct ql_adapter *qdev, u32 * buf,
        return status;
 }
 
+/* Read the ASIC probe dump */
+static unsigned int *ql_get_probe(struct ql_adapter *qdev, u32 clock,
+                                       u32 valid, u32 *buf)
+{
+       u32 module, mux_sel, probe, lo_val, hi_val;
+
+       for (module = 0; module < PRB_MX_ADDR_MAX_MODS; module++) {
+               if (!((valid >> module) & 1))
+                       continue;
+               for (mux_sel = 0; mux_sel < PRB_MX_ADDR_MAX_MUX; mux_sel++) {
+                       probe = clock
+                               | PRB_MX_ADDR_ARE
+                               | mux_sel
+                               | (module << PRB_MX_ADDR_MOD_SEL_SHIFT);
+                       ql_write32(qdev, PRB_MX_ADDR, probe);
+                       lo_val = ql_read32(qdev, PRB_MX_DATA);
+                       if (mux_sel == 0) {
+                               *buf = probe;
+                               buf++;
+                       }
+                       probe |= PRB_MX_ADDR_UP;
+                       ql_write32(qdev, PRB_MX_ADDR, probe);
+                       hi_val = ql_read32(qdev, PRB_MX_DATA);
+                       *buf = lo_val;
+                       buf++;
+                       *buf = hi_val;
+                       buf++;
+               }
+       }
+       return buf;
+}
+
+static int ql_get_probe_dump(struct ql_adapter *qdev, unsigned int *buf)
+{
+       /* First we have to enable the probe mux */
+       ql_write_mpi_reg(qdev, MPI_TEST_FUNC_PRB_CTL, MPI_TEST_FUNC_PRB_EN);
+       buf = ql_get_probe(qdev, PRB_MX_ADDR_SYS_CLOCK,
+                       PRB_MX_ADDR_VALID_SYS_MOD, buf);
+       buf = ql_get_probe(qdev, PRB_MX_ADDR_PCI_CLOCK,
+                       PRB_MX_ADDR_VALID_PCI_MOD, buf);
+       buf = ql_get_probe(qdev, PRB_MX_ADDR_XGM_CLOCK,
+                       PRB_MX_ADDR_VALID_XGM_MOD, buf);
+       buf = ql_get_probe(qdev, PRB_MX_ADDR_FC_CLOCK,
+                       PRB_MX_ADDR_VALID_FC_MOD, buf);
+       return 0;
+
+}
 
 /* Read out the routing index registers */
 static int ql_get_routing_index_registers(struct ql_adapter *qdev, u32 *buf)
@@ -558,6 +605,13 @@ int ql_core_dump(struct ql_adapter *qdev, struct ql_mpi_coredump *mpi_coredump)
        if (status)
                goto err;
 
+       ql_build_coredump_seg_header(&mpi_coredump->probe_dump_seg_hdr,
+                               PROBE_DUMP_SEG_NUM,
+                               sizeof(struct mpi_coredump_segment_header)
+                               + sizeof(mpi_coredump->probe_dump),
+                               "Probe Dump");
+       ql_get_probe_dump(qdev, &mpi_coredump->probe_dump[0]);
+
        ql_build_coredump_seg_header(&mpi_coredump->routing_reg_seg_hdr,
                                ROUTING_INDEX_SEG_NUM,
                                sizeof(struct mpi_coredump_segment_header)