#include <geekos/vmm_util.h>
-// FOREACH_IO_HOOK(vmm_io_map_t io_map, vmm_io_hook_t * io_hook)
-#define FOREACH_IO_HOOK(io_map, io_hook) for (io_hook = io_map.head; io_hook != NULL; io_hook = io_hook->next)
+// FOREACH_IO_HOOK(vmm_io_map_t * io_map, vmm_io_hook_t * io_hook)
+#define FOREACH_IO_HOOK(io_map, io_hook) for (io_hook = (io_map).head; io_hook != NULL; io_hook = (io_hook)->next)
typedef struct vmm_io_hook {
ushort_t port;
// Reads data into the IO port (IN, INS)
- int (*read)(ushort_t port, void * dst, uint_t length);
+ int (*read)(ushort_t port, void * dst, uint_t length, uint_t io_width);
// Writes data from the IO port (OUT, OUTS)
- int (*write)(ushort_t port, void * src, uint_t length);
+ int (*write)(ushort_t port, void * src, uint_t length, uint_t io_width);
struct vmm_io_hook * next;
struct vmm_io_hook * prev;
+vmm_io_hook_t * get_io_hook(vmm_io_map_t * io_map, uint_t port);
+
/* External API */
void hook_io_port(vmm_io_map_t * io_map, uint_t port,
- int (*read)(ushort_t port, void * dst, uint_t length),
- int (*write)(ushort_t port, void * src, uint_t length));
+ int (*read)(ushort_t port, void * dst, uint_t length, uint_t io_width),
+ int (*write)(ushort_t port, void * src, uint_t length, uint_t io_width));
void init_vmm_io_map(vmm_io_map_t * io_map);