qemu/rwhandler.h
Anthony Liguori 01e0451a08 Revert "Merge remote-tracking branch 'qemu-kvm/memory/batch' into staging"
This reverts commit 8ef9ea85a2, reversing
changes made to 444dc48298.

From Avi:

  Please revert the entire pull (git revert 8ef9ea85a2) while I work this
  out - it isn't trivial.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-08-25 14:39:18 -05:00

28 lines
981 B
C

#ifndef READ_WRITE_HANDLER_H
#define READ_WRITE_HANDLER_H
#include "qemu-common.h"
#include "ioport.h"
typedef struct ReadWriteHandler ReadWriteHandler;
/* len is guaranteed to be one of 1, 2 or 4, addr is guaranteed to fit in an
* appropriate type (io/memory/etc). They do not need to be range checked. */
typedef void WriteHandlerFunc(ReadWriteHandler *, pcibus_t addr,
uint32_t value, int len);
typedef uint32_t ReadHandlerFunc(ReadWriteHandler *, pcibus_t addr, int len);
struct ReadWriteHandler {
WriteHandlerFunc *write;
ReadHandlerFunc *read;
};
/* Helpers for when we want to use a single routine with length. */
/* CPU memory handler: both read and write must be present. */
int cpu_register_io_memory_simple(ReadWriteHandler *, int endian);
/* io port handler: can supply only read or write handlers. */
int register_ioport_simple(ReadWriteHandler *,
pio_addr_t start, int length, int size);
#endif