/*
* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*-
#include <sys/appleapiopts.h>
#include <sys/cdefs.h>
+#include <sys/queue.h>
+#include <stdint.h>
/*
* Definitions of device driver entry switches
typedef int reset_fcn_t(int uban);
typedef int select_fcn_t(dev_t dev, int which, void * wql, struct proc *p);
typedef int mmap_fcn_t(void);
-typedef int getc_fcn_t(dev_t dev);
-typedef int putc_fcn_t(dev_t dev, char c);
-typedef int d_poll_t(dev_t dev, int events, struct proc *p);
#define d_open_t open_close_fcn_t
#define d_close_t open_close_fcn_t
#define d_select_t select_fcn_t
#define d_mmap_t mmap_fcn_t
#define d_strategy_t strategy_fcn_t
-#define d_getc_t getc_fcn_t
-#define d_putc_t putc_fcn_t
__BEGIN_DECLS
int enodev(void);
#define eno_stop ((stop_fcn_t *)&enodev)
#define eno_reset ((reset_fcn_t *)&enodev)
#define eno_mmap ((mmap_fcn_t *)&enodev)
-#define eno_getc ((getc_fcn_t *)&enodev)
-#define eno_putc ((putc_fcn_t *)&enodev)
#define eno_select ((select_fcn_t *)&enodev)
+/* For source backward compatibility only! */
+#define eno_getc ((void *)&enodev)
+#define eno_putc ((void *)&enodev)
/*
* Block device switch table
open_close_fcn_t *d_close;
read_write_fcn_t *d_read;
read_write_fcn_t *d_write;
- ioctl_fcn_t *d_ioctl;
- stop_fcn_t *d_stop;
- reset_fcn_t *d_reset;
+ ioctl_fcn_t *d_ioctl;
+ stop_fcn_t *d_stop;
+ reset_fcn_t *d_reset;
struct tty **d_ttys;
select_fcn_t *d_select;
- mmap_fcn_t *d_mmap;
+ mmap_fcn_t *d_mmap;
strategy_fcn_t *d_strategy;
- getc_fcn_t *d_getc;
- putc_fcn_t *d_putc;
- int d_type;
+ void *d_reserved_1;
+ void *d_reserved_2;
+ int d_type;
};
+#ifdef BSD_KERNEL_PRIVATE
+void devsw_init(void);
+
+extern uint64_t cdevsw_flags[];
+#define CDEVSW_SELECT_KQUEUE 0x01
+#define CDEVSW_USE_OFFSET 0x02
+
+struct thread;
+
+typedef struct devsw_lock {
+ TAILQ_ENTRY(devsw_lock) dl_list;
+ struct thread *dl_thread;
+ dev_t dl_dev;
+ int dl_mode;
+} *devsw_lock_t;
+
+#endif /* BSD_KERNEL_PRIVATE */
-#ifdef KERNEL_PRIVATE
-extern struct cdevsw cdevsw[];
-#endif /* KERNEL_PRIVATE */
/*
* Contents of empty cdevsw slot.
* else -1
*/
__BEGIN_DECLS
+#ifdef KERNEL_PRIVATE
+extern struct cdevsw cdevsw[];
+extern int cdevsw_setkqueueok(int, struct cdevsw*, int);
+#endif /* KERNEL_PRIVATE */
+
+#ifdef BSD_KERNEL_PRIVATE
+extern void devsw_lock(dev_t, int);
+extern void devsw_unlock(dev_t, int);
+#endif /* BSD_KERNEL_PRIVATE */
+
int bdevsw_isfree(int);
int bdevsw_add(int, struct bdevsw *);
int bdevsw_remove(int, struct bdevsw *);
int cdevsw_add(int, struct cdevsw *);
int cdevsw_add_with_bdev(int index, struct cdevsw * csw, int bdev);
int cdevsw_remove(int, struct cdevsw *);
+int isdisk(dev_t, int);
__END_DECLS
#endif /* KERNEL */
projects / apple / xnu.git / blobdiff