* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* 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
* 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.
- *
+ *
* 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,
* 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_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
*/
#ifndef _SYS_UIO_INTERNAL_H_
-#define _SYS_UIO_INTERNAL_H_
+#define _SYS_UIO_INTERNAL_H_
#include <sys/appleapiopts.h>
* WARNING - make sure to check when adding flags! Be sure new flags
* don't overlap the definitions in uio.h
*/
-// UIO_USERSPACE 0 defined in uio.h
-#define UIO_USERISPACE 1
-// UIO_SYSSPACE 2 defined in uio.h
-#define UIO_PHYS_USERSPACE 3
-#define UIO_PHYS_SYSSPACE 4
-// UIO_USERSPACE32 5 defined in uio.h
-#define UIO_USERISPACE32 6
-#define UIO_PHYS_USERSPACE32 7
-// UIO_USERSPACE64 8 defined in uio.h
-#define UIO_USERISPACE64 9
-#define UIO_PHYS_USERSPACE64 10
-// UIO_SYSSPACE32 11 defined in uio.h
-// UIO_PHYS_SYSSPACE32 12 reserved, never used. Use UIO_PHYS_SYSSPACE
-// UIO_SYSSPACE64 13 reserved, never used. Use UIO_SYSSPACE
-// UIO_PHYS_SYSSPACE64 14 reserved, never used. Use UIO_PHYS_SYSSPACE
+// UIO_USERSPACE 0 defined in uio.h
+#define UIO_USERISPACE ((enum uio_seg)1)
+// UIO_SYSSPACE 2 defined in uio.h
+#define UIO_PHYS_USERSPACE ((enum uio_seg)3)
+#define UIO_PHYS_SYSSPACE ((enum uio_seg)4)
+// UIO_USERSPACE32 5 defined in uio.h
+#define UIO_USERISPACE32 ((enum uio_seg)6)
+#define UIO_PHYS_USERSPACE32 ((enum uio_seg)7)
+// UIO_USERSPACE64 8 defined in uio.h
+#define UIO_USERISPACE64 ((enum uio_seg)9)
+#define UIO_PHYS_USERSPACE64 ((enum uio_seg)10)
+// UIO_SYSSPACE32 11 defined in uio.h
+// UIO_PHYS_SYSSPACE32 12 reserved, never used. Use UIO_PHYS_SYSSPACE
+// UIO_SYSSPACE64 13 reserved, never used. Use UIO_SYSSPACE
+// UIO_PHYS_SYSSPACE64 14 reserved, never used. Use UIO_PHYS_SYSSPACE
__BEGIN_DECLS
struct user_iovec;
/* use kern_iovec for system space requests */
struct kern_iovec {
- u_int64_t iov_base; /* Base address. */
- u_int64_t iov_len; /* Length. */
+ u_int64_t iov_base; /* Base address. */
+ u_int64_t iov_len; /* Length. */
};
/* use user_iovec for user space requests */
struct user_iovec {
- user_addr_t iov_base; /* Base address. */
- user_size_t iov_len; /* Length. */
+ user_addr_t iov_base; /* Base address. */
+ user_size_t iov_len; /* Length. */
};
/* use user32_iovec/user64_iovec for representing
* in-memory structures in 32-64 processes during copyin */
struct user32_iovec {
- uint32_t iov_base; /* Base address. */
- uint32_t iov_len; /* Length. */
+ uint32_t iov_base; /* Base address. */
+ uint32_t iov_len; /* Length. */
};
struct user64_iovec {
- uint64_t iov_base; /* Base address. */
- uint64_t iov_len; /* Length. */
+ uint64_t iov_base; /* Base address. */
+ uint64_t iov_len; /* Length. */
};
union iovecs {
- struct kern_iovec *kiovp;
- struct user_iovec *uiovp;
+ struct kern_iovec *kiovp;
+ struct user_iovec *uiovp;
};
/* WARNING - use accessor calls for uio_iov and uio_resid since these */
/* fields vary depending on the originating address space. */
struct uio {
- union iovecs uio_iovs; /* current iovec */
- int uio_iovcnt; /* active iovecs */
- off_t uio_offset;
- enum uio_seg uio_segflg;
- enum uio_rw uio_rw;
- user_size_t uio_resid_64;
- int uio_size; /* size for use with kfree */
- int uio_max_iovs; /* max number of iovecs this uio_t can hold */
- u_int32_t uio_flags;
+ union iovecs uio_iovs; /* current iovec */
+ int uio_iovcnt; /* active iovecs */
+ off_t uio_offset;
+ enum uio_seg uio_segflg;
+ enum uio_rw uio_rw;
+ user_size_t uio_resid_64;
+ int uio_size; /* size for use with kfree */
+ int uio_max_iovs; /* max number of iovecs this uio_t can hold */
+ u_int32_t uio_flags;
};
/* values for uio_flags */
-#define UIO_FLAGS_INITED 0x00000001
-#define UIO_FLAGS_WE_ALLOCED 0x00000002
-#define UIO_FLAGS_IS_COMPRESSED_FILE 0x00000004
+#define UIO_FLAGS_INITED 0x00000001
+#define UIO_FLAGS_WE_ALLOCED 0x00000002
+#define UIO_FLAGS_IS_COMPRESSED_FILE 0x00000004
__END_DECLS
*/
#define UIO_SIZEOF( a_iovcount ) \
( sizeof(struct uio) + (MAX(sizeof(struct user_iovec), sizeof(struct kern_iovec)) * (a_iovcount)) )
-
+
#define UIO_IS_USER_SPACE32( a_uio_t ) \
( (a_uio_t)->uio_segflg == UIO_USERSPACE32 || (a_uio_t)->uio_segflg == UIO_PHYS_USERSPACE32 || \
(a_uio_t)->uio_segflg == UIO_USERISPACE32 )
projects / apple / xnu.git / blobdiff