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From: Kip Macy <kmacy@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
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Subject: PERFORCE change 119401 for review
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http://perforce.freebsd.org/chv.cgi?CH=119401

Change 119401 by kmacy@kmacy_vt-x:opentoe_init on 2007/05/07 06:33:04

	add PANIC_IF routine and formatting cleanup

Affected files ...

.. //depot/projects/opentoe/sys/dev/cxgb/cxgb_osdep.h#9 edit

Differences ...

==== //depot/projects/opentoe/sys/dev/cxgb/cxgb_osdep.h#9 (text+ko) ====

@@ -51,6 +51,11 @@
 typedef struct adapter adapter_t;
 struct sge_rspq;
 
+#define PANIC_IF(exp) do {                  \
+	if (exp)                            \
+		panic("BUG: %s", exp);      \
+} while (0)
+
 #if __FreeBSD_version > 700030
 #define INTR_FILTERS
 #define FIRMWARE_LATEST
@@ -76,9 +81,10 @@
 #define PRIV_SUPPORTED
 #endif
 
-#define CXGB_TX_CLEANUP_THRESHOLD 32
+#define CXGB_TX_CLEANUP_THRESHOLD        32
 
-#define LOG_WARNING 1
+#define LOG_WARNING                       1
+#define LOG_ERR                           2
 
 #ifdef DEBUG_PRINT
 #define DPRINTF printf
@@ -108,6 +114,16 @@
         __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
 } 
 
+extern void kdb_backtrace(void);
+
+#define WARN_ON(condition) do { \
+        if (unlikely((condition)!=0)) { \
+                log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \
+                kdb_backtrace(); \
+        } \
+} while (0)
+
+
 #else /* !i386 && !amd64 */
 #define mb()
 #define rmb()