17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 23*cab28b2dStaylor * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #include <sys/scsi/scsi.h> 307c478bd9Sstevel@tonic-gate #include <sys/vtrace.h> 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #define A_TO_TRAN(ap) ((ap)->a_hba_tran) 347c478bd9Sstevel@tonic-gate #define P_TO_TRAN(pkt) ((pkt)->pkt_address.a_hba_tran) 357c478bd9Sstevel@tonic-gate #define P_TO_ADDR(pkt) (&((pkt)->pkt_address)) 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate /* 387c478bd9Sstevel@tonic-gate * Callback id 397c478bd9Sstevel@tonic-gate */ 407c478bd9Sstevel@tonic-gate uintptr_t scsi_callback_id = 0; 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate struct buf * 457c478bd9Sstevel@tonic-gate scsi_alloc_consistent_buf(struct scsi_address *ap, 467c478bd9Sstevel@tonic-gate struct buf *in_bp, size_t datalen, uint_t bflags, 477c478bd9Sstevel@tonic-gate int (*callback)(caddr_t), caddr_t callback_arg) 487c478bd9Sstevel@tonic-gate { 497c478bd9Sstevel@tonic-gate dev_info_t *pdip; 507c478bd9Sstevel@tonic-gate struct buf *bp; 517c478bd9Sstevel@tonic-gate int kmflag; 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate TRACE_0(TR_FAC_SCSI_RES, TR_SCSI_ALLOC_CONSISTENT_BUF_START, 547c478bd9Sstevel@tonic-gate "scsi_alloc_consistent_buf_start"); 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate if (!in_bp) { 577c478bd9Sstevel@tonic-gate kmflag = (callback == SLEEP_FUNC) ? KM_SLEEP : KM_NOSLEEP; 587c478bd9Sstevel@tonic-gate if ((bp = getrbuf(kmflag)) == NULL) { 597c478bd9Sstevel@tonic-gate goto no_resource; 607c478bd9Sstevel@tonic-gate } 617c478bd9Sstevel@tonic-gate } else { 627c478bd9Sstevel@tonic-gate bp = in_bp; 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate /* we are establishing a new buffer memory association */ 657c478bd9Sstevel@tonic-gate bp->b_flags &= ~(B_PAGEIO | B_PHYS | B_REMAPPED | B_SHADOW); 667c478bd9Sstevel@tonic-gate bp->b_proc = NULL; 677c478bd9Sstevel@tonic-gate bp->b_pages = NULL; 687c478bd9Sstevel@tonic-gate bp->b_shadow = NULL; 697c478bd9Sstevel@tonic-gate } 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate /* limit bits that can be set by bflags argument */ 727c478bd9Sstevel@tonic-gate ASSERT(!(bflags & ~(B_READ | B_WRITE))); 737c478bd9Sstevel@tonic-gate bflags &= (B_READ | B_WRITE); 747c478bd9Sstevel@tonic-gate bp->b_un.b_addr = 0; 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate if (datalen) { 777c478bd9Sstevel@tonic-gate pdip = (A_TO_TRAN(ap))->tran_hba_dip; 787c478bd9Sstevel@tonic-gate 797c478bd9Sstevel@tonic-gate while (ddi_iopb_alloc(pdip, (ddi_dma_lim_t *)0, datalen, 807c478bd9Sstevel@tonic-gate &bp->b_un.b_addr)) { 817c478bd9Sstevel@tonic-gate if (callback == SLEEP_FUNC) { 827c478bd9Sstevel@tonic-gate delay(drv_usectohz(10000)); 837c478bd9Sstevel@tonic-gate } else { 847c478bd9Sstevel@tonic-gate if (!in_bp) 857c478bd9Sstevel@tonic-gate freerbuf(bp); 867c478bd9Sstevel@tonic-gate goto no_resource; 877c478bd9Sstevel@tonic-gate } 887c478bd9Sstevel@tonic-gate } 897c478bd9Sstevel@tonic-gate bp->b_flags |= bflags; 907c478bd9Sstevel@tonic-gate } 917c478bd9Sstevel@tonic-gate bp->b_bcount = datalen; 927c478bd9Sstevel@tonic-gate bp->b_resid = 0; 937c478bd9Sstevel@tonic-gate 947c478bd9Sstevel@tonic-gate TRACE_0(TR_FAC_SCSI_RES, TR_SCSI_ALLOC_CONSISTENT_BUF_END, 957c478bd9Sstevel@tonic-gate "scsi_alloc_consistent_buf_end"); 967c478bd9Sstevel@tonic-gate return (bp); 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate no_resource: 997c478bd9Sstevel@tonic-gate 1007c478bd9Sstevel@tonic-gate if (callback != NULL_FUNC && callback != SLEEP_FUNC) { 1017c478bd9Sstevel@tonic-gate ddi_set_callback(callback, callback_arg, 1027c478bd9Sstevel@tonic-gate &scsi_callback_id); 1037c478bd9Sstevel@tonic-gate } 1047c478bd9Sstevel@tonic-gate TRACE_0(TR_FAC_SCSI_RES, 1057c478bd9Sstevel@tonic-gate TR_SCSI_ALLOC_CONSISTENT_BUF_RETURN1_END, 1067c478bd9Sstevel@tonic-gate "scsi_alloc_consistent_buf_end (return1)"); 1077c478bd9Sstevel@tonic-gate return (NULL); 1087c478bd9Sstevel@tonic-gate } 1097c478bd9Sstevel@tonic-gate 1107c478bd9Sstevel@tonic-gate void 1117c478bd9Sstevel@tonic-gate scsi_free_consistent_buf(struct buf *bp) 1127c478bd9Sstevel@tonic-gate { 1137c478bd9Sstevel@tonic-gate TRACE_0(TR_FAC_SCSI_RES, TR_SCSI_FREE_CONSISTENT_BUF_START, 1147c478bd9Sstevel@tonic-gate "scsi_free_consistent_buf_start"); 1157c478bd9Sstevel@tonic-gate if (!bp) 1167c478bd9Sstevel@tonic-gate return; 1177c478bd9Sstevel@tonic-gate if (bp->b_un.b_addr) 1187c478bd9Sstevel@tonic-gate ddi_iopb_free((caddr_t)bp->b_un.b_addr); 1197c478bd9Sstevel@tonic-gate freerbuf(bp); 1207c478bd9Sstevel@tonic-gate if (scsi_callback_id != 0) { 1217c478bd9Sstevel@tonic-gate ddi_run_callback(&scsi_callback_id); 1227c478bd9Sstevel@tonic-gate } 1237c478bd9Sstevel@tonic-gate TRACE_0(TR_FAC_SCSI_RES, TR_SCSI_FREE_CONSISTENT_BUF_END, 1247c478bd9Sstevel@tonic-gate "scsi_free_consistent_buf_end"); 1257c478bd9Sstevel@tonic-gate } 1267c478bd9Sstevel@tonic-gate 127*cab28b2dStaylor void scsi_free_cache_pkt(struct scsi_address *, struct scsi_pkt *); 128*cab28b2dStaylor 129*cab28b2dStaylor struct scsi_pkt * 130*cab28b2dStaylor scsi_init_cache_pkt(struct scsi_address *ap, struct scsi_pkt *in_pktp, 131*cab28b2dStaylor struct buf *bp, int cmdlen, int statuslen, int pplen, 132*cab28b2dStaylor int flags, int (*callback)(caddr_t), caddr_t callback_arg) 133*cab28b2dStaylor { 134*cab28b2dStaylor struct scsi_pkt_cache_wrapper *pktw; 135*cab28b2dStaylor scsi_hba_tran_t *tranp = ap->a_hba_tran; 136*cab28b2dStaylor int (*func)(caddr_t); 137*cab28b2dStaylor 138*cab28b2dStaylor func = (callback == SLEEP_FUNC) ? SLEEP_FUNC : NULL_FUNC; 139*cab28b2dStaylor 140*cab28b2dStaylor if (in_pktp == NULL) { 141*cab28b2dStaylor int kf; 142*cab28b2dStaylor 143*cab28b2dStaylor if (callback == SLEEP_FUNC) 144*cab28b2dStaylor kf = KM_SLEEP; 145*cab28b2dStaylor else 146*cab28b2dStaylor kf = KM_NOSLEEP; 147*cab28b2dStaylor pktw = kmem_cache_alloc(tranp->tran_pkt_cache_ptr, 148*cab28b2dStaylor kf); 149*cab28b2dStaylor if (pktw == NULL) 150*cab28b2dStaylor goto fail1; 151*cab28b2dStaylor 152*cab28b2dStaylor pktw->pcw_kmflags = 0; 153*cab28b2dStaylor in_pktp = &(pktw->pcw_pkt); 154*cab28b2dStaylor /* 155*cab28b2dStaylor * target driver initializes pkt_comp, pkt_flags, 156*cab28b2dStaylor * and pkt_time 157*cab28b2dStaylor */ 158*cab28b2dStaylor in_pktp->pkt_address = *ap; 159*cab28b2dStaylor in_pktp->pkt_resid = 0; 160*cab28b2dStaylor in_pktp->pkt_state = 0; 161*cab28b2dStaylor in_pktp->pkt_statistics = 0; 162*cab28b2dStaylor in_pktp->pkt_reason = 0; 163*cab28b2dStaylor 164*cab28b2dStaylor in_pktp->pkt_cdblen = cmdlen; 165*cab28b2dStaylor if ((tranp->tran_hba_flags & SCSI_HBA_TRAN_CDB) && 166*cab28b2dStaylor (cmdlen > DEFAULT_CDBLEN)) { 167*cab28b2dStaylor pktw->pcw_kmflags |= NEED_EXT_CDB; 168*cab28b2dStaylor in_pktp->pkt_cdbp = kmem_zalloc(cmdlen, kf); 169*cab28b2dStaylor if (in_pktp->pkt_cdbp == NULL) 170*cab28b2dStaylor goto fail2; 171*cab28b2dStaylor } 172*cab28b2dStaylor in_pktp->pkt_tgtlen = pplen; 173*cab28b2dStaylor if (pplen > DEFAULT_PRIVLEN) { 174*cab28b2dStaylor pktw->pcw_kmflags |= NEED_EXT_TGT; 175*cab28b2dStaylor in_pktp->pkt_private = kmem_zalloc(pplen, kf); 176*cab28b2dStaylor if (in_pktp->pkt_private == NULL) 177*cab28b2dStaylor goto fail3; 178*cab28b2dStaylor } 179*cab28b2dStaylor in_pktp->pkt_scblen = statuslen; 180*cab28b2dStaylor if ((tranp->tran_hba_flags & SCSI_HBA_TRAN_SCB) && 181*cab28b2dStaylor (statuslen > DEFAULT_SCBLEN)) { 182*cab28b2dStaylor pktw->pcw_kmflags |= NEED_EXT_SCB; 183*cab28b2dStaylor in_pktp->pkt_scbp = kmem_zalloc(statuslen, kf); 184*cab28b2dStaylor if (in_pktp->pkt_scbp == NULL) 185*cab28b2dStaylor goto fail4; 186*cab28b2dStaylor } 187*cab28b2dStaylor if ((*tranp->tran_setup_pkt) (in_pktp, 188*cab28b2dStaylor func, NULL) == -1) { 189*cab28b2dStaylor goto fail5; 190*cab28b2dStaylor } 191*cab28b2dStaylor } 192*cab28b2dStaylor if (bp && bp->b_bcount) { 193*cab28b2dStaylor if ((*tranp->tran_setup_bp) (in_pktp, bp, 194*cab28b2dStaylor flags, func, NULL) == -1) { 195*cab28b2dStaylor scsi_free_cache_pkt(ap, in_pktp); 196*cab28b2dStaylor in_pktp = NULL; 197*cab28b2dStaylor } 198*cab28b2dStaylor } 199*cab28b2dStaylor return (in_pktp); 200*cab28b2dStaylor 201*cab28b2dStaylor fail5: 202*cab28b2dStaylor if (pktw->pcw_kmflags & NEED_EXT_SCB) { 203*cab28b2dStaylor kmem_free(in_pktp->pkt_scbp, statuslen); 204*cab28b2dStaylor in_pktp->pkt_scbp = (opaque_t)((char *)in_pktp + 205*cab28b2dStaylor tranp->tran_hba_len + DEFAULT_PRIVLEN + 206*cab28b2dStaylor sizeof (struct scsi_pkt)); 207*cab28b2dStaylor if ((A_TO_TRAN(ap))->tran_hba_flags & SCSI_HBA_TRAN_CDB) 208*cab28b2dStaylor in_pktp->pkt_scbp = (opaque_t)((in_pktp->pkt_scbp) + 209*cab28b2dStaylor DEFAULT_CDBLEN); 210*cab28b2dStaylor in_pktp->pkt_scblen = 0; 211*cab28b2dStaylor } 212*cab28b2dStaylor fail4: 213*cab28b2dStaylor if (pktw->pcw_kmflags & NEED_EXT_TGT) { 214*cab28b2dStaylor kmem_free(in_pktp->pkt_private, pplen); 215*cab28b2dStaylor in_pktp->pkt_tgtlen = 0; 216*cab28b2dStaylor in_pktp->pkt_private = NULL; 217*cab28b2dStaylor } 218*cab28b2dStaylor fail3: 219*cab28b2dStaylor if (pktw->pcw_kmflags & NEED_EXT_CDB) { 220*cab28b2dStaylor kmem_free(in_pktp->pkt_cdbp, cmdlen); 221*cab28b2dStaylor in_pktp->pkt_cdbp = (opaque_t)((char *)in_pktp + 222*cab28b2dStaylor tranp->tran_hba_len + 223*cab28b2dStaylor sizeof (struct scsi_pkt)); 224*cab28b2dStaylor in_pktp->pkt_cdblen = 0; 225*cab28b2dStaylor } 226*cab28b2dStaylor pktw->pcw_kmflags &= 227*cab28b2dStaylor ~(NEED_EXT_CDB|NEED_EXT_TGT|NEED_EXT_SCB); 228*cab28b2dStaylor fail2: 229*cab28b2dStaylor kmem_cache_free(tranp->tran_pkt_cache_ptr, pktw); 230*cab28b2dStaylor fail1: 231*cab28b2dStaylor if (callback != NULL_FUNC && callback != SLEEP_FUNC) { 232*cab28b2dStaylor ddi_set_callback(callback, callback_arg, 233*cab28b2dStaylor &scsi_callback_id); 234*cab28b2dStaylor } 235*cab28b2dStaylor 236*cab28b2dStaylor return (NULL); 237*cab28b2dStaylor } 238*cab28b2dStaylor 239*cab28b2dStaylor void 240*cab28b2dStaylor scsi_free_cache_pkt(struct scsi_address *ap, struct scsi_pkt *pktp) 241*cab28b2dStaylor { 242*cab28b2dStaylor struct scsi_pkt_cache_wrapper *pktw; 243*cab28b2dStaylor 244*cab28b2dStaylor (*A_TO_TRAN(ap)->tran_teardown_pkt)(pktp); 245*cab28b2dStaylor pktw = (struct scsi_pkt_cache_wrapper *)pktp; 246*cab28b2dStaylor 247*cab28b2dStaylor /* 248*cab28b2dStaylor * if we allocated memory for anything that wouldn't fit, free 249*cab28b2dStaylor * the memory and restore the pointers 250*cab28b2dStaylor */ 251*cab28b2dStaylor if (pktw->pcw_kmflags & NEED_EXT_SCB) { 252*cab28b2dStaylor kmem_free(pktp->pkt_scbp, pktp->pkt_scblen); 253*cab28b2dStaylor pktp->pkt_scbp = (opaque_t)((char *)pktp + 254*cab28b2dStaylor (A_TO_TRAN(ap))->tran_hba_len + 255*cab28b2dStaylor DEFAULT_PRIVLEN + sizeof (struct scsi_pkt_cache_wrapper)); 256*cab28b2dStaylor if ((A_TO_TRAN(ap))->tran_hba_flags & SCSI_HBA_TRAN_CDB) 257*cab28b2dStaylor pktp->pkt_scbp = (opaque_t)((pktp->pkt_scbp) + 258*cab28b2dStaylor DEFAULT_CDBLEN); 259*cab28b2dStaylor pktp->pkt_scblen = 0; 260*cab28b2dStaylor } 261*cab28b2dStaylor if (pktw->pcw_kmflags & NEED_EXT_TGT) { 262*cab28b2dStaylor kmem_free(pktp->pkt_private, pktp->pkt_tgtlen); 263*cab28b2dStaylor pktp->pkt_tgtlen = 0; 264*cab28b2dStaylor pktp->pkt_private = NULL; 265*cab28b2dStaylor } 266*cab28b2dStaylor if (pktw->pcw_kmflags & NEED_EXT_CDB) { 267*cab28b2dStaylor kmem_free(pktp->pkt_cdbp, pktp->pkt_cdblen); 268*cab28b2dStaylor pktp->pkt_cdbp = (opaque_t)((char *)pktp + 269*cab28b2dStaylor (A_TO_TRAN(ap))->tran_hba_len + 270*cab28b2dStaylor sizeof (struct scsi_pkt_cache_wrapper)); 271*cab28b2dStaylor pktp->pkt_cdblen = 0; 272*cab28b2dStaylor } 273*cab28b2dStaylor pktw->pcw_kmflags &= 274*cab28b2dStaylor ~(NEED_EXT_CDB|NEED_EXT_TGT|NEED_EXT_SCB); 275*cab28b2dStaylor ASSERT(pktw->pcw_kmflags == 0); 276*cab28b2dStaylor kmem_cache_free(A_TO_TRAN(ap)->tran_pkt_cache_ptr, pktw); 277*cab28b2dStaylor 278*cab28b2dStaylor if (scsi_callback_id != 0) { 279*cab28b2dStaylor ddi_run_callback(&scsi_callback_id); 280*cab28b2dStaylor } 281*cab28b2dStaylor 282*cab28b2dStaylor } 283*cab28b2dStaylor 2847c478bd9Sstevel@tonic-gate struct scsi_pkt * 2857c478bd9Sstevel@tonic-gate scsi_init_pkt(struct scsi_address *ap, struct scsi_pkt *in_pktp, 2867c478bd9Sstevel@tonic-gate struct buf *bp, int cmdlen, int statuslen, int pplen, 2877c478bd9Sstevel@tonic-gate int flags, int (*callback)(caddr_t), caddr_t callback_arg) 2887c478bd9Sstevel@tonic-gate { 2897c478bd9Sstevel@tonic-gate struct scsi_pkt *pktp; 2907c478bd9Sstevel@tonic-gate scsi_hba_tran_t *tranp = ap->a_hba_tran; 2917c478bd9Sstevel@tonic-gate int (*func)(caddr_t); 2927c478bd9Sstevel@tonic-gate 2937c478bd9Sstevel@tonic-gate TRACE_5(TR_FAC_SCSI_RES, TR_SCSI_INIT_PKT_START, 2947c478bd9Sstevel@tonic-gate "scsi_init_pkt_start: addr %p in_pktp %p cmdlen %d statuslen %d pplen %d", 2957c478bd9Sstevel@tonic-gate ap, in_pktp, cmdlen, statuslen, pplen); 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate #if defined(__i386) || defined(__amd64) 2987c478bd9Sstevel@tonic-gate if (flags & PKT_CONSISTENT_OLD) { 2997c478bd9Sstevel@tonic-gate flags &= ~PKT_CONSISTENT_OLD; 3007c478bd9Sstevel@tonic-gate flags |= PKT_CONSISTENT; 3017c478bd9Sstevel@tonic-gate } 3027c478bd9Sstevel@tonic-gate #endif 3037c478bd9Sstevel@tonic-gate 3047c478bd9Sstevel@tonic-gate func = (callback == SLEEP_FUNC) ? SLEEP_FUNC : NULL_FUNC; 3057c478bd9Sstevel@tonic-gate 3067c478bd9Sstevel@tonic-gate pktp = (*tranp->tran_init_pkt) (ap, in_pktp, bp, cmdlen, 3077c478bd9Sstevel@tonic-gate statuslen, pplen, flags, func, NULL); 3087c478bd9Sstevel@tonic-gate if (pktp == NULL) { 3097c478bd9Sstevel@tonic-gate if (callback != NULL_FUNC && callback != SLEEP_FUNC) { 3107c478bd9Sstevel@tonic-gate ddi_set_callback(callback, callback_arg, 3117c478bd9Sstevel@tonic-gate &scsi_callback_id); 3127c478bd9Sstevel@tonic-gate } 3137c478bd9Sstevel@tonic-gate } 3147c478bd9Sstevel@tonic-gate 3157c478bd9Sstevel@tonic-gate TRACE_1(TR_FAC_SCSI_RES, TR_SCSI_INIT_PKT_END, 3167c478bd9Sstevel@tonic-gate "scsi_init_pkt_end: pktp %p", pktp); 3177c478bd9Sstevel@tonic-gate return (pktp); 3187c478bd9Sstevel@tonic-gate } 3197c478bd9Sstevel@tonic-gate 3207c478bd9Sstevel@tonic-gate void 3217c478bd9Sstevel@tonic-gate scsi_destroy_pkt(struct scsi_pkt *pkt) 3227c478bd9Sstevel@tonic-gate { 3237c478bd9Sstevel@tonic-gate struct scsi_address *ap = P_TO_ADDR(pkt); 3247c478bd9Sstevel@tonic-gate 3257c478bd9Sstevel@tonic-gate TRACE_1(TR_FAC_SCSI_RES, TR_SCSI_DESTROY_PKT_START, 3267c478bd9Sstevel@tonic-gate "scsi_destroy_pkt_start: pkt %p", pkt); 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate (*A_TO_TRAN(ap)->tran_destroy_pkt)(ap, pkt); 3297c478bd9Sstevel@tonic-gate 3307c478bd9Sstevel@tonic-gate if (scsi_callback_id != 0) { 3317c478bd9Sstevel@tonic-gate ddi_run_callback(&scsi_callback_id); 3327c478bd9Sstevel@tonic-gate } 3337c478bd9Sstevel@tonic-gate 3347c478bd9Sstevel@tonic-gate TRACE_0(TR_FAC_SCSI_RES, TR_SCSI_DESTROY_PKT_END, 3357c478bd9Sstevel@tonic-gate "scsi_destroy_pkt_end"); 3367c478bd9Sstevel@tonic-gate } 3377c478bd9Sstevel@tonic-gate 3387c478bd9Sstevel@tonic-gate 3397c478bd9Sstevel@tonic-gate /* 3407c478bd9Sstevel@tonic-gate * Generic Resource Allocation Routines 3417c478bd9Sstevel@tonic-gate */ 3427c478bd9Sstevel@tonic-gate 3437c478bd9Sstevel@tonic-gate struct scsi_pkt * 3447c478bd9Sstevel@tonic-gate scsi_resalloc(struct scsi_address *ap, int cmdlen, int statuslen, 3457c478bd9Sstevel@tonic-gate opaque_t dmatoken, int (*callback)()) 3467c478bd9Sstevel@tonic-gate { 3477c478bd9Sstevel@tonic-gate register struct scsi_pkt *pkt; 3487c478bd9Sstevel@tonic-gate register scsi_hba_tran_t *tranp = ap->a_hba_tran; 3497c478bd9Sstevel@tonic-gate register int (*func)(caddr_t); 3507c478bd9Sstevel@tonic-gate 3517c478bd9Sstevel@tonic-gate func = (callback == SLEEP_FUNC) ? SLEEP_FUNC : NULL_FUNC; 3527c478bd9Sstevel@tonic-gate 3537c478bd9Sstevel@tonic-gate pkt = (*tranp->tran_init_pkt) (ap, NULL, (struct buf *)dmatoken, 3547c478bd9Sstevel@tonic-gate cmdlen, statuslen, 0, 0, func, NULL); 3557c478bd9Sstevel@tonic-gate if (pkt == NULL) { 3567c478bd9Sstevel@tonic-gate if (callback != NULL_FUNC && callback != SLEEP_FUNC) { 3577c478bd9Sstevel@tonic-gate ddi_set_callback(callback, NULL, &scsi_callback_id); 3587c478bd9Sstevel@tonic-gate } 3597c478bd9Sstevel@tonic-gate } 3607c478bd9Sstevel@tonic-gate 3617c478bd9Sstevel@tonic-gate return (pkt); 3627c478bd9Sstevel@tonic-gate } 3637c478bd9Sstevel@tonic-gate 3647c478bd9Sstevel@tonic-gate struct scsi_pkt * 3657c478bd9Sstevel@tonic-gate scsi_pktalloc(struct scsi_address *ap, int cmdlen, int statuslen, 3667c478bd9Sstevel@tonic-gate int (*callback)()) 3677c478bd9Sstevel@tonic-gate { 3687c478bd9Sstevel@tonic-gate struct scsi_pkt *pkt; 3697c478bd9Sstevel@tonic-gate struct scsi_hba_tran *tran = ap->a_hba_tran; 3707c478bd9Sstevel@tonic-gate register int (*func)(caddr_t); 3717c478bd9Sstevel@tonic-gate 3727c478bd9Sstevel@tonic-gate func = (callback == SLEEP_FUNC) ? SLEEP_FUNC : NULL_FUNC; 3737c478bd9Sstevel@tonic-gate 3747c478bd9Sstevel@tonic-gate pkt = (*tran->tran_init_pkt) (ap, NULL, NULL, cmdlen, 3757c478bd9Sstevel@tonic-gate statuslen, 0, 0, func, NULL); 3767c478bd9Sstevel@tonic-gate if (pkt == NULL) { 3777c478bd9Sstevel@tonic-gate if (callback != NULL_FUNC && callback != SLEEP_FUNC) { 3787c478bd9Sstevel@tonic-gate ddi_set_callback(callback, NULL, &scsi_callback_id); 3797c478bd9Sstevel@tonic-gate } 3807c478bd9Sstevel@tonic-gate } 3817c478bd9Sstevel@tonic-gate 3827c478bd9Sstevel@tonic-gate return (pkt); 3837c478bd9Sstevel@tonic-gate } 3847c478bd9Sstevel@tonic-gate 3857c478bd9Sstevel@tonic-gate struct scsi_pkt * 3867c478bd9Sstevel@tonic-gate scsi_dmaget(struct scsi_pkt *pkt, opaque_t dmatoken, int (*callback)()) 3877c478bd9Sstevel@tonic-gate { 3887c478bd9Sstevel@tonic-gate struct scsi_pkt *new_pkt; 3897c478bd9Sstevel@tonic-gate register int (*func)(caddr_t); 3907c478bd9Sstevel@tonic-gate 3917c478bd9Sstevel@tonic-gate func = (callback == SLEEP_FUNC) ? SLEEP_FUNC : NULL_FUNC; 3927c478bd9Sstevel@tonic-gate 3937c478bd9Sstevel@tonic-gate new_pkt = (*P_TO_TRAN(pkt)->tran_init_pkt) (&pkt->pkt_address, 3947c478bd9Sstevel@tonic-gate pkt, (struct buf *)dmatoken, 3957c478bd9Sstevel@tonic-gate 0, 0, 0, 0, func, NULL); 3967c478bd9Sstevel@tonic-gate ASSERT(new_pkt == pkt || new_pkt == NULL); 3977c478bd9Sstevel@tonic-gate if (new_pkt == NULL) { 3987c478bd9Sstevel@tonic-gate if (callback != NULL_FUNC && callback != SLEEP_FUNC) { 3997c478bd9Sstevel@tonic-gate ddi_set_callback(callback, NULL, &scsi_callback_id); 4007c478bd9Sstevel@tonic-gate } 4017c478bd9Sstevel@tonic-gate } 4027c478bd9Sstevel@tonic-gate 4037c478bd9Sstevel@tonic-gate return (new_pkt); 4047c478bd9Sstevel@tonic-gate } 4057c478bd9Sstevel@tonic-gate 4067c478bd9Sstevel@tonic-gate 4077c478bd9Sstevel@tonic-gate /* 4087c478bd9Sstevel@tonic-gate * Generic Resource Deallocation Routines 4097c478bd9Sstevel@tonic-gate */ 4107c478bd9Sstevel@tonic-gate 4117c478bd9Sstevel@tonic-gate void 4127c478bd9Sstevel@tonic-gate scsi_dmafree(struct scsi_pkt *pkt) 4137c478bd9Sstevel@tonic-gate { 4147c478bd9Sstevel@tonic-gate register struct scsi_address *ap = P_TO_ADDR(pkt); 4157c478bd9Sstevel@tonic-gate (*A_TO_TRAN(ap)->tran_dmafree)(ap, pkt); 4167c478bd9Sstevel@tonic-gate 4177c478bd9Sstevel@tonic-gate if (scsi_callback_id != 0) { 4187c478bd9Sstevel@tonic-gate ddi_run_callback(&scsi_callback_id); 4197c478bd9Sstevel@tonic-gate } 4207c478bd9Sstevel@tonic-gate } 4217c478bd9Sstevel@tonic-gate 4227c478bd9Sstevel@tonic-gate void 4237c478bd9Sstevel@tonic-gate scsi_sync_pkt(struct scsi_pkt *pkt) 4247c478bd9Sstevel@tonic-gate { 4257c478bd9Sstevel@tonic-gate register struct scsi_address *ap = P_TO_ADDR(pkt); 4267c478bd9Sstevel@tonic-gate (*A_TO_TRAN(ap)->tran_sync_pkt)(ap, pkt); 4277c478bd9Sstevel@tonic-gate } 4287c478bd9Sstevel@tonic-gate 4297c478bd9Sstevel@tonic-gate void 4307c478bd9Sstevel@tonic-gate scsi_resfree(struct scsi_pkt *pkt) 4317c478bd9Sstevel@tonic-gate { 4327c478bd9Sstevel@tonic-gate register struct scsi_address *ap = P_TO_ADDR(pkt); 4337c478bd9Sstevel@tonic-gate (*A_TO_TRAN(ap)->tran_destroy_pkt)(ap, pkt); 4347c478bd9Sstevel@tonic-gate 4357c478bd9Sstevel@tonic-gate if (scsi_callback_id != 0) { 4367c478bd9Sstevel@tonic-gate ddi_run_callback(&scsi_callback_id); 4377c478bd9Sstevel@tonic-gate } 4387c478bd9Sstevel@tonic-gate } 439