iwlwifi: move iwl_dump_nic_error_log to iwlcore module

This patch moves the function iwl_dump_nic_error_log to iwlcore.
Remove sysfs entry it cannot be really triggered.

Signed-off-by: Ester Kummer <ester.kummer@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 72 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 7e25ca45f671..785396fd39a0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1056,6 +1056,78 @@ int iwl_verify_ucode(struct iwl_priv *priv)
 EXPORT_SYMBOL(iwl_verify_ucode);
 
 
+static const char *desc_lookup(int i)
+{
+        switch (i) {
+        case 1:
+                return "FAIL";
+        case 2:
+                return "BAD_PARAM";
+        case 3:
+                return "BAD_CHECKSUM";
+        case 4:
+                return "NMI_INTERRUPT";
+        case 5:
+                return "SYSASSERT";
+        case 6:
+                return "FATAL_ERROR";
+        }
+
+        return "UNKNOWN";
+}
+
+#define ERROR_START_OFFSET  (1 * sizeof(u32))
+#define ERROR_ELEM_SIZE     (7 * sizeof(u32))
+
+void iwl_dump_nic_error_log(struct iwl_priv *priv)
+{
+        u32 data2, line;
+        u32 desc, time, count, base, data1;
+        u32 blink1, blink2, ilink1, ilink2;
+        int rc;
+
+        base = le32_to_cpu(priv->card_alive.error_event_table_ptr);
+
+        if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) {
+                IWL_ERROR("Not valid error log pointer 0x%08X\n", base);
+                return;
+        }
+
+        rc = iwl_grab_nic_access(priv);
+        if (rc) {
+                IWL_WARNING("Can not read from adapter at this time.\n");
+                return;
+        }
+
+        count = iwl_read_targ_mem(priv, base);
+
+        if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) {
+                IWL_ERROR("Start IWL Error Log Dump:\n");
+                IWL_ERROR("Status: 0x%08lX, count: %d\n", priv->status, count);
+        }
+
+        desc = iwl_read_targ_mem(priv, base + 1 * sizeof(u32));
+        blink1 = iwl_read_targ_mem(priv, base + 3 * sizeof(u32));
+        blink2 = iwl_read_targ_mem(priv, base + 4 * sizeof(u32));
+        ilink1 = iwl_read_targ_mem(priv, base + 5 * sizeof(u32));
+        ilink2 = iwl_read_targ_mem(priv, base + 6 * sizeof(u32));
+        data1 = iwl_read_targ_mem(priv, base + 7 * sizeof(u32));
+        data2 = iwl_read_targ_mem(priv, base + 8 * sizeof(u32));
+        line = iwl_read_targ_mem(priv, base + 9 * sizeof(u32));
+        time = iwl_read_targ_mem(priv, base + 11 * sizeof(u32));
+
+        IWL_ERROR("Desc        Time       "
+                "data1      data2      line\n");
+        IWL_ERROR("%-13s (#%d) %010u 0x%08X 0x%08X %u\n",
+                desc_lookup(desc), desc, time, data1, data2, line);
+        IWL_ERROR("blink1  blink2  ilink1  ilink2\n");
+        IWL_ERROR("0x%05X 0x%05X 0x%05X 0x%05X\n", blink1, blink2,
+                ilink1, ilink2);
+
+        iwl_release_nic_access(priv);
+}
+EXPORT_SYMBOL(iwl_dump_nic_error_log);
+
 #define EVENT_START_OFFSET  (4 * sizeof(u32))
 
 /**