Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / s390 / net / ctcm_dbug.c

diff --git a/kernel/drivers/s390/net/ctcm_dbug.c b/kernel/drivers/s390/net/ctcm_dbug.c
new file mode 100644 (file)
index 0000000..8363f1c
--- /dev/null
+++ b/kernel/drivers/s390/net/ctcm_dbug.c
@@ -0,0 +1,77 @@
+/*
+ *     Copyright IBM Corp. 2001, 2007
+ *     Authors:        Peter Tiedemann (ptiedem@de.ibm.com)
+ *
+ */
+
+#include <linux/stddef.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/ctype.h>
+#include <linux/sysctl.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/fs.h>
+#include <linux/debugfs.h>
+#include "ctcm_dbug.h"
+
+/*
+ * Debug Facility Stuff
+ */
+
+struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS] = {
+       [CTCM_DBF_SETUP]     = {"ctc_setup", 8, 1, 64, CTC_DBF_INFO, NULL},
+       [CTCM_DBF_ERROR]     = {"ctc_error", 8, 1, 64, CTC_DBF_ERROR, NULL},
+       [CTCM_DBF_TRACE]     = {"ctc_trace", 8, 1, 64, CTC_DBF_ERROR, NULL},
+       [CTCM_DBF_MPC_SETUP] = {"mpc_setup", 8, 1, 80, CTC_DBF_INFO, NULL},
+       [CTCM_DBF_MPC_ERROR] = {"mpc_error", 8, 1, 80, CTC_DBF_ERROR, NULL},
+       [CTCM_DBF_MPC_TRACE] = {"mpc_trace", 8, 1, 80, CTC_DBF_ERROR, NULL},
+};
+
+void ctcm_unregister_dbf_views(void)
+{
+       int x;
+       for (x = 0; x < CTCM_DBF_INFOS; x++) {
+               debug_unregister(ctcm_dbf[x].id);
+               ctcm_dbf[x].id = NULL;
+       }
+}
+
+int ctcm_register_dbf_views(void)
+{
+       int x;
+       for (x = 0; x < CTCM_DBF_INFOS; x++) {
+               /* register the areas */
+               ctcm_dbf[x].id = debug_register(ctcm_dbf[x].name,
+                                               ctcm_dbf[x].pages,
+                                               ctcm_dbf[x].areas,
+                                               ctcm_dbf[x].len);
+               if (ctcm_dbf[x].id == NULL) {
+                       ctcm_unregister_dbf_views();
+                       return -ENOMEM;
+               }
+
+               /* register a view */
+               debug_register_view(ctcm_dbf[x].id, &debug_hex_ascii_view);
+               /* set a passing level */
+               debug_set_level(ctcm_dbf[x].id, ctcm_dbf[x].level);
+       }
+
+       return 0;
+}
+
+void ctcm_dbf_longtext(enum ctcm_dbf_names dbf_nix, int level, char *fmt, ...)
+{
+       char dbf_txt_buf[64];
+       va_list args;
+
+       if (!debug_level_enabled(ctcm_dbf[dbf_nix].id, level))
+               return;
+       va_start(args, fmt);
+       vsnprintf(dbf_txt_buf, sizeof(dbf_txt_buf), fmt, args);
+       va_end(args);
+
+       debug_text_event(ctcm_dbf[dbf_nix].id, level, dbf_txt_buf);
+}
+