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| System | : | Linux MiraNet 3.0.0-14-generic-pae #23-Ubuntu SMP Mon Nov 21 22:07:10 UTC 2011 i686 |
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Disabled Functions: pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,
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/
usr/
src/
linux-headers-3.0.0-14-generic-pae/
include/
linux/
- drwxr-xr-x
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Viewing file:  mmiotrace.h (3.11 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
#ifndef _LINUX_MMIOTRACE_H
#define _LINUX_MMIOTRACE_H
#include <linux/types.h>
#include <linux/list.h>
struct kmmio_probe;
struct pt_regs;
typedef void (*kmmio_pre_handler_t)(struct kmmio_probe *,
struct pt_regs *, unsigned long addr);
typedef void (*kmmio_post_handler_t)(struct kmmio_probe *,
unsigned long condition, struct pt_regs *);
struct kmmio_probe {
/* kmmio internal list: */
struct list_head list;
/* start location of the probe point: */
unsigned long addr;
/* length of the probe region: */
unsigned long len;
/* Called before addr is executed: */
kmmio_pre_handler_t pre_handler;
/* Called after addr is executed: */
kmmio_post_handler_t post_handler;
void *private;
};
extern unsigned int kmmio_count;
extern int register_kmmio_probe(struct kmmio_probe *p);
extern void unregister_kmmio_probe(struct kmmio_probe *p);
extern int kmmio_init(void);
extern void kmmio_cleanup(void);
#ifdef CONFIG_MMIOTRACE
/* kmmio is active by some kmmio_probes? */
static inline int is_kmmio_active(void)
{
return kmmio_count;
}
/* Called from page fault handler. */
extern int kmmio_handler(struct pt_regs *regs, unsigned long addr);
/* 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 /* !CONFIG_MMIOTRACE: */
static inline int is_kmmio_active(void)
{
return 0;
}
static inline int kmmio_handler(struct pt_regs *regs, unsigned long addr)
{
return 0;
}
static inline void mmiotrace_ioremap(resource_size_t offset,
unsigned long size, void __iomem *addr)
{
}
static inline void mmiotrace_iounmap(volatile void __iomem *addr)
{
}
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_UNKNOWN_OP = 0x5, /* struct mmiotrace_rw */
};
struct mmiotrace_rw {
resource_size_t phys; /* PCI address of register */
unsigned long value;
unsigned long pc; /* optional program counter */
int map_id;
unsigned char opcode; /* one of MMIO_{READ,WRITE,UNKNOWN_OP} */
unsigned char width; /* size of register access in bytes */
};
struct mmiotrace_map {
resource_size_t phys; /* base address in PCI space */
unsigned long virt; /* base virtual address */
unsigned long len; /* mapping size */
int map_id;
unsigned char opcode; /* MMIO_PROBE or MMIO_UNPROBE */
};
/* in kernel/trace/trace_mmiotrace.c */
extern void enable_mmiotrace(void);
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 /* _LINUX_MMIOTRACE_H */
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