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Diffstat (limited to 'usr/src/uts/common/sys/multidata.h')
| -rw-r--r-- | usr/src/uts/common/sys/multidata.h | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/usr/src/uts/common/sys/multidata.h b/usr/src/uts/common/sys/multidata.h deleted file mode 100644 index f649b187bc..0000000000 --- a/usr/src/uts/common/sys/multidata.h +++ /dev/null @@ -1,173 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * 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. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 2005 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#ifndef _SYS_MULTIDATA_H -#define _SYS_MULTIDATA_H - -#pragma ident "%Z%%M% %I% %E% SMI" - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Multidata interface declarations. - * These interfaces are still evolving; do not use them in unbundled drivers. - */ - -/* - * Multidata packet attribute information. - */ -typedef struct pattrinfo_s { - uint_t type; /* attribute type value */ - uint_t len; /* attribute length */ - void *buf; /* pointer to user data area */ -} pattrinfo_t; - -/* - * Maximum number of payload areas for a single packet descriptor. - */ -#define MULTIDATA_MAX_PBUFS 16 - -/* - * Multidata buffer information. - */ -typedef struct mbufinfo_s { - uchar_t *hbuf_rptr; /* start address of header buffer */ - uchar_t *hbuf_wptr; /* end address of header buffer */ - uint_t pbuf_cnt; /* number of payload buffer */ - struct pbuf_ary_s { - uchar_t *pbuf_rptr; /* start address of payload buffer */ - uchar_t *pbuf_wptr; /* end address of payload buffer */ - } pbuf_ary[MULTIDATA_MAX_PBUFS]; -} mbufinfo_t; - -/* - * Multidata packet descriptor information. - */ -struct pld_ary_s { - int pld_pbuf_idx; /* payload buffer index */ - uchar_t *pld_rptr; /* start address of payload data */ - uchar_t *pld_wptr; /* pointer to end of payload data */ -}; - -#define PDESCINFO_STRUCT(elems) \ -{ \ - uint_t flags; /* misc. flags */ \ - uchar_t *hdr_base; /* start address of header area */ \ - uchar_t *hdr_rptr; /* start address of header data */ \ - uchar_t *hdr_wptr; /* end address of header data */ \ - uchar_t *hdr_lim; /* end address of header area */ \ - uint_t pld_cnt; /* number of payload area */ \ - struct pld_ary_s pld_ary[(elems)]; \ -} - -typedef struct pdescinfo_s PDESCINFO_STRUCT(MULTIDATA_MAX_PBUFS) pdescinfo_t; - -/* - * Possible values for flags - */ -#define PDESC_HBUF_REF 0x1 /* descriptor uses header buffer */ -#define PDESC_PBUF_REF 0x2 /* descriptor uses payload buffer(s) */ - -#define PDESC_HDRSIZE(p) ((p)->hdr_lim - (p)->hdr_base) -#define PDESC_HDRL(p) ((p)->hdr_wptr - (p)->hdr_rptr) -#define PDESC_HDRHEAD(p) ((p)->hdr_rptr - (p)->hdr_base) -#define PDESC_HDRTAIL(p) ((p)->hdr_lim - (p)->hdr_wptr) - -#define PDESC_HDR_ADD(p, base, head, len, tail) { \ - (p)->hdr_base = (base); \ - (p)->hdr_rptr = (base) + (head); \ - (p)->hdr_wptr = (p)->hdr_rptr + (len); \ - (p)->hdr_lim = (p)->hdr_wptr + (tail); \ -} - -#define PDESC_PLD_INIT(p) ((p)->pld_cnt = 0) - -#define PDESC_PLD_SPAN_SIZE(p, n) \ - ((p)->pld_ary[(n)].pld_wptr - (p)->pld_ary[(n)].pld_rptr) - -#define PDESC_PLDL(p, n) PDESC_PLD_SPAN_SIZE(p, n) - -#define PDESC_PLD_SPAN_TRIM(p, n, b) { \ - ((p)->pld_ary[(n)].pld_wptr -= (b)); \ - ASSERT((p)->pld_ary[(n)].pld_wptr >= (p)->pld_ary[(n)].pld_rptr); \ -} - -#define PDESC_PLD_SPAN_CLEAR(p, n) \ - PDESC_PLD_SPAN_TRIM(p, n, PDESC_PLD_SPAN_SIZE(p, n)) - -#define PDESC_PLD_SPAN_ADD(p, pbuf_idx, rptr, len) { \ - ASSERT((p)->pld_cnt < MULTIDATA_MAX_PBUFS); \ - (p)->pld_ary[(p)->pld_cnt].pld_pbuf_idx = (pbuf_idx); \ - (p)->pld_ary[(p)->pld_cnt].pld_rptr = (rptr); \ - (p)->pld_ary[(p)->pld_cnt].pld_wptr = (rptr) + (len); \ - (p)->pld_cnt++; \ -} - -/* - * These structures are opaque to multidata clients. - */ -struct pdesc_s; -typedef struct pdesc_s pdesc_t; - -struct pattr_s; -typedef struct pattr_s pattr_t; - -struct multidata_s; -typedef struct multidata_s multidata_t; - -#ifdef _KERNEL - -extern multidata_t *mmd_alloc(mblk_t *, mblk_t **, int); -extern int mmd_addpldbuf(multidata_t *, mblk_t *); -extern multidata_t *mmd_getmultidata(mblk_t *); -extern void mmd_getregions(multidata_t *, mbufinfo_t *); -extern uint_t mmd_getcnt(multidata_t *, uint_t *, uint_t *); -extern pdesc_t *mmd_addpdesc(multidata_t *, pdescinfo_t *, int *, int); -extern void mmd_rempdesc(pdesc_t *); -extern pdesc_t *mmd_getfirstpdesc(multidata_t *, pdescinfo_t *); -extern pdesc_t *mmd_getlastpdesc(multidata_t *, pdescinfo_t *); -extern pdesc_t *mmd_getnextpdesc(pdesc_t *, pdescinfo_t *); -extern pdesc_t *mmd_getprevpdesc(pdesc_t *, pdescinfo_t *); -extern pdesc_t *mmd_adjpdesc(pdesc_t *, pdescinfo_t *); -extern mblk_t *mmd_transform(pdesc_t *); -extern mblk_t *mmd_transform_link(pdesc_t *); -extern int mmd_dupbufs(multidata_t *, mblk_t **, mblk_t **); -extern int mmd_getpdescinfo(pdesc_t *, pdescinfo_t *); -extern pattr_t *mmd_addpattr(multidata_t *, pdesc_t *, pattrinfo_t *, - boolean_t, int); -extern void mmd_rempattr(pattr_t *); -extern pattr_t *mmd_getpattr(multidata_t *, pdesc_t *, pattrinfo_t *); -extern void mmd_getsize(multidata_t *, uint_t *, uint_t *); - -#endif /* _KERNEL */ - -#ifdef __cplusplus -} -#endif - -#endif /* _SYS_MULTIDATA_H */ |