diff options
Diffstat (limited to 'usr/src/uts/common/sys/uio.h')
| -rw-r--r-- | usr/src/uts/common/sys/uio.h | 69 |
1 files changed, 4 insertions, 65 deletions
diff --git a/usr/src/uts/common/sys/uio.h b/usr/src/uts/common/sys/uio.h index 4f0aff49f6..3e9e4a5eda 100644 --- a/usr/src/uts/common/sys/uio.h +++ b/usr/src/uts/common/sys/uio.h @@ -2,8 +2,9 @@ * CDDL HEADER START * * The contents of this file are subject to the terms of the - * Common Development and Distribution License (the "License"). - * You may not use this file except in compliance with the License. + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. @@ -19,7 +20,7 @@ * CDDL HEADER END */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -100,49 +101,6 @@ typedef struct uio { ssize_t uio_resid; /* residual count */ } uio_t; -/* - * Extended uio_t uioa_t used for asynchronous uio. - * - * Note: UIOA_IOV_MAX is defined and used as it is in "fs/vncalls.c" - * as there isn't a formal definition of IOV_MAX for the kernel. - */ -#define UIOA_IOV_MAX 16 - -typedef struct uioa_page_s { /* locked uio_iov state */ - int uioa_pfncnt; /* count of pfn_t(s) in *uioa_ppp */ - void **uioa_ppp; /* page_t or pfn_t arrary */ - caddr_t uioa_base; /* address base */ - size_t uioa_len; /* span length */ -} uioa_page_t; - -typedef struct uioa_s { - iovec_t *uio_iov; /* pointer to array of iovecs */ - int uio_iovcnt; /* number of iovecs */ - lloff_t _uio_offset; /* file offset */ - uio_seg_t uio_segflg; /* address space (kernel or user) */ - uint16_t uio_fmode; /* file mode flags */ - uint16_t uio_extflg; /* extended flags */ - lloff_t _uio_limit; /* u-limit (maximum byte offset) */ - ssize_t uio_resid; /* residual count */ - /* - * uioa extended members. - */ - uint32_t uioa_state; /* state of asynch i/o */ - uioa_page_t *uioa_lcur; /* pointer into uioa_locked[] */ - void **uioa_lppp; /* pointer into lcur->uioa_ppp[] */ - void *uioa_hwst[4]; /* opaque hardware state */ - uioa_page_t uioa_locked[UIOA_IOV_MAX]; /* Per iov locked pages */ -} uioa_t; - -#define UIOA_ALLOC 0x0001 /* allocated but not yet initialized */ -#define UIOA_INIT 0x0002 /* initialized but not yet enabled */ -#define UIOA_ENABLED 0x0004 /* enabled, asynch i/o active */ -#define UIOA_FINI 0x0008 /* finished waiting for uioafini() */ - -#define UIOA_CLR (~0x000F) /* clear mutually exclusive bits */ - -#define UIOA_POLL 0x0010 /* need dcopy_poll() */ - #define uio_loffset _uio_offset._f #if !defined(_LP64) #define uio_offset _uio_offset._p._l @@ -169,24 +127,10 @@ typedef enum uio_rw { UIO_READ, UIO_WRITE } uio_rw_t; * access, ie, access bypassing caches, should be used. Filesystems that * don't initialize this field could experience suboptimal performance due to * the random data the field contains. - * - * NOTE: This flag is also used by uioasync callers to pass an extended - * uio_t (uioa_t), to uioasync enabled consumers. Unlike above all - * consumers of a uioa_t require the uio_extflg to be initialized. */ #define UIO_COPY_DEFAULT 0x0000 /* no special options to copy */ #define UIO_COPY_CACHED 0x0001 /* copy should not bypass caches */ -#define UIO_ASYNC 0x0002 /* uio_t is really a uioa_t */ - -/* - * Global uioasync capability shadow state. - */ -typedef struct uioasync_s { - boolean_t enabled; /* Is uioasync enabled? */ - size_t mincnt; /* Minimum byte count for use of */ -} uioasync_t; - #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ #if defined(_KERNEL) @@ -197,11 +141,6 @@ int uwritec(struct uio *); void uioskip(uio_t *, size_t); int uiodup(uio_t *, uio_t *, iovec_t *, int); -int uioamove(void *, size_t, enum uio_rw, uioa_t *); -int uioainit(uio_t *, uioa_t *); -int uioafini(uio_t *, uioa_t *); -extern uioasync_t uioasync; - #else /* defined(_KERNEL) */ #if defined(__STDC__) |