/* Called from page fault handler. */
extern int kmmio_handler(struct pt_regs *regs, unsigned long addr);
-/* Called from ioremap.c */
#ifdef CONFIG_MMIOTRACE
+/* Called from ioremap.c */
extern void mmiotrace_ioremap(resource_size_t offset, unsigned long size,
void __iomem *addr);
extern void mmiotrace_iounmap(volatile void __iomem *addr);
+
+/* For anyone to insert markers. Remember trailing newline. */
+extern int mmiotrace_printk(const char *fmt, ...)
+ __attribute__ ((format (printf, 1, 2)));
#else
static inline void mmiotrace_ioremap(resource_size_t offset,
unsigned long size, void __iomem *addr)
static inline void mmiotrace_iounmap(volatile void __iomem *addr)
{
}
-#endif /* CONFIG_MMIOTRACE_HOOKS */
+
+static inline int mmiotrace_printk(const char *fmt, ...)
+ __attribute__ ((format (printf, 1, 0)));
+
+static inline int mmiotrace_printk(const char *fmt, ...)
+{
+ return 0;
+}
+#endif /* CONFIG_MMIOTRACE */
enum mm_io_opcode {
MMIO_READ = 0x1, /* struct mmiotrace_rw */
MMIO_WRITE = 0x2, /* struct mmiotrace_rw */
MMIO_PROBE = 0x3, /* struct mmiotrace_map */
MMIO_UNPROBE = 0x4, /* struct mmiotrace_map */
- MMIO_MARKER = 0x5, /* raw char data */
- MMIO_UNKNOWN_OP = 0x6, /* struct mmiotrace_rw */
+ MMIO_UNKNOWN_OP = 0x5, /* struct mmiotrace_rw */
};
struct mmiotrace_rw {
extern void disable_mmiotrace(void);
extern void mmio_trace_rw(struct mmiotrace_rw *rw);
extern void mmio_trace_mapping(struct mmiotrace_map *map);
+extern int mmio_trace_printk(const char *fmt, va_list args);
#endif /* MMIOTRACE_H */