drivers -> Drivers...

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@167 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-07-12 23:26:20 +00:00
parent 8a0ccf997a
commit 5f79d3a87b
1 changed files with 72 additions and 8 deletions
@@ -1,89 +0,0 @@
-/*
-** Copyright 2002, Thomas Kurschel. All rights reserved.
-** Distributed under the terms of the NewOS License.
-*/
-
-#ifndef _DRIVERS_H
-#define _DRIVERS_H
-
-#include <types.h>
-#include <defines.h>
-#include <sys/uio.h>
-
-/* ---
-	these hooks are how the kernel accesses the device
--- */
-
-struct selectsync;
-typedef struct selectsync selectsync;
-
-typedef status_t (*device_open_hook) (const char *name, uint32 flags, void **cookie);
-typedef status_t (*device_close_hook) (void *cookie);
-typedef status_t (*device_free_hook) (void *cookie);
-typedef status_t (*device_control_hook) (void *cookie, uint32 op, void *data,
-                                         size_t len);
-typedef ssize_t  (*device_read_hook) (void *cookie, off_t position, void *data,
-                                      size_t *numBytes);
-typedef ssize_t  (*device_write_hook) (void *cookie, off_t position,
-                                       const void *data, size_t *numBytes);
-typedef status_t (*device_select_hook) (void *cookie, uint8 event, uint32 ref,
-                                        selectsync *sync);
-typedef status_t (*device_deselect_hook) (void *cookie, uint8 event,
-                                          selectsync *sync);
-typedef status_t (*device_readv_hook) (void *cookie, off_t position, const iovec *vec,
-					size_t count, size_t *numBytes);
-typedef status_t (*device_writev_hook) (void *cookie, off_t position, const iovec *vec,
-					size_t count, size_t *numBytes);
-
-#define	B_CUR_DRIVER_API_VERSION	2
-
-/* ---
-	the device_hooks structure is a descriptor for the device, giving its
-	entry points.
--- */
-
-typedef struct {
-	device_open_hook		open;		/* called to open the device */
-	device_close_hook		close;		/* called to close the device */
-	device_free_hook		free;		/* called to free the cookie */
-	device_control_hook		control;	/* called to control the device */
-	device_read_hook		read;		/* reads from the device */
-	device_write_hook		write;		/* writes to the device */
-	device_select_hook		select;		/* start select */
-	device_deselect_hook	deselect;	/* stop select */
-	device_readv_hook		readv;		/* scatter-gather read from the device */
-	device_writev_hook		writev;		/* scatter-gather write to the device */
-} device_hooks;
-
-status_t		init_hardware(void);
-const char	  **publish_devices(void);
-device_hooks	*find_device(const char *name);
-status_t		init_driver(void);
-void			uninit_driver(void);	
-
-extern int32	api_version;
-
-enum {
-	// called on partition device to get info
-	IOCTL_DEVFS_GET_PARTITION_INFO = 1000,
-	// called on raw device to declare one partition
-	IOCTL_DEVFS_SET_PARTITION,
-};
-
-typedef struct devfs_partition_info {
-	// offset and size relative to raw device in bytes
-	off_t offset;
-	off_t size;
-	
-	// logical block size in bytes
-	uint32 logical_block_size;
-	
-	// session/partition id
-	uint32 session;
-	uint32 partition;
-	
-	// path of raw device (GET_PARTITION_INFO only)
-	char raw_device[SYS_MAX_PATH_LEN];
-} devfs_partition_info;
-
-#endif /* _DRIVERS_H */