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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 16:35:07 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 16:35:07 -0400
commit92b29b86fe2e183d44eb467e5e74a5f718ef2e43 (patch)
tree1bac8a1aa11d47322b66d10ec3a370016d843d06 /include/linux/mmiotrace.h
parentb9d7ccf56be1ac77b71a284a1c0e6337f9a7aff0 (diff)
parent98d9c66ab07471006fd7910cb16453581c41a3e7 (diff)
Merge branch 'tracing-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (131 commits) tracing/fastboot: improve help text tracing/stacktrace: improve help text tracing/fastboot: fix initcalls disposition in bootgraph.pl tracing/fastboot: fix bootgraph.pl initcall name regexp tracing/fastboot: fix issues and improve output of bootgraph.pl tracepoints: synchronize unregister static inline tracepoints: tracepoint_synchronize_unregister() ftrace: make ftrace_test_p6nop disassembler-friendly markers: fix synchronize marker unregister static inline tracing/fastboot: add better resolution to initcall debug/tracing trace: add build-time check to avoid overrunning hex buffer ftrace: fix hex output mode of ftrace tracing/fastboot: fix initcalls disposition in bootgraph.pl tracing/fastboot: fix printk format typo in boot tracer ftrace: return an error when setting a nonexistent tracer ftrace: make some tracers reentrant ring-buffer: make reentrant ring-buffer: move page indexes into page headers tracing/fastboot: only trace non-module initcalls ftrace: move pc counter in irqtrace ... Manually fix conflicts: - init/main.c: initcall tracing - kernel/module.c: verbose level vs tracepoints - scripts/bootgraph.pl: fallout from cherry-picking commits.
Diffstat (limited to 'include/linux/mmiotrace.h')
-rw-r--r--include/linux/mmiotrace.h20
1 files changed, 16 insertions, 4 deletions
diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h
index 61d19e1b7a0b..139d7c88d9c9 100644
--- a/include/linux/mmiotrace.h
+++ b/include/linux/mmiotrace.h
@@ -34,11 +34,15 @@ extern void unregister_kmmio_probe(struct kmmio_probe *p);
34/* Called from page fault handler. */ 34/* Called from page fault handler. */
35extern int kmmio_handler(struct pt_regs *regs, unsigned long addr); 35extern int kmmio_handler(struct pt_regs *regs, unsigned long addr);
36 36
37/* Called from ioremap.c */
38#ifdef CONFIG_MMIOTRACE 37#ifdef CONFIG_MMIOTRACE
38/* Called from ioremap.c */
39extern void mmiotrace_ioremap(resource_size_t offset, unsigned long size, 39extern void mmiotrace_ioremap(resource_size_t offset, unsigned long size,
40 void __iomem *addr); 40 void __iomem *addr);
41extern void mmiotrace_iounmap(volatile void __iomem *addr); 41extern void mmiotrace_iounmap(volatile void __iomem *addr);
42
43/* For anyone to insert markers. Remember trailing newline. */
44extern int mmiotrace_printk(const char *fmt, ...)
45 __attribute__ ((format (printf, 1, 2)));
42#else 46#else
43static inline void mmiotrace_ioremap(resource_size_t offset, 47static inline void mmiotrace_ioremap(resource_size_t offset,
44 unsigned long size, void __iomem *addr) 48 unsigned long size, void __iomem *addr)
@@ -48,15 +52,22 @@ static inline void mmiotrace_ioremap(resource_size_t offset,
48static inline void mmiotrace_iounmap(volatile void __iomem *addr) 52static inline void mmiotrace_iounmap(volatile void __iomem *addr)
49{ 53{
50} 54}
51#endif /* CONFIG_MMIOTRACE_HOOKS */ 55
56static inline int mmiotrace_printk(const char *fmt, ...)
57 __attribute__ ((format (printf, 1, 0)));
58
59static inline int mmiotrace_printk(const char *fmt, ...)
60{
61 return 0;
62}
63#endif /* CONFIG_MMIOTRACE */
52 64
53enum mm_io_opcode { 65enum mm_io_opcode {
54 MMIO_READ = 0x1, /* struct mmiotrace_rw */ 66 MMIO_READ = 0x1, /* struct mmiotrace_rw */
55 MMIO_WRITE = 0x2, /* struct mmiotrace_rw */ 67 MMIO_WRITE = 0x2, /* struct mmiotrace_rw */
56 MMIO_PROBE = 0x3, /* struct mmiotrace_map */ 68 MMIO_PROBE = 0x3, /* struct mmiotrace_map */
57 MMIO_UNPROBE = 0x4, /* struct mmiotrace_map */ 69 MMIO_UNPROBE = 0x4, /* struct mmiotrace_map */
58 MMIO_MARKER = 0x5, /* raw char data */ 70 MMIO_UNKNOWN_OP = 0x5, /* struct mmiotrace_rw */
59 MMIO_UNKNOWN_OP = 0x6, /* struct mmiotrace_rw */
60}; 71};
61 72
62struct mmiotrace_rw { 73struct mmiotrace_rw {
@@ -81,5 +92,6 @@ extern void enable_mmiotrace(void);
81extern void disable_mmiotrace(void); 92extern void disable_mmiotrace(void);
82extern void mmio_trace_rw(struct mmiotrace_rw *rw); 93extern void mmio_trace_rw(struct mmiotrace_rw *rw);
83extern void mmio_trace_mapping(struct mmiotrace_map *map); 94extern void mmio_trace_mapping(struct mmiotrace_map *map);
95extern int mmio_trace_printk(const char *fmt, va_list args);
84 96
85#endif /* MMIOTRACE_H */ 97#endif /* MMIOTRACE_H */