1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_DKTP_CONTROLLER_H 28 #define _SYS_DKTP_CONTROLLER_H 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 struct ctl_ext { 35 opaque_t c_type_cookie; /* controller info */ 36 dev_info_t *c_ctldip; /* dip to controller driver */ 37 dev_info_t *c_devdip; /* dip to target device driver */ 38 int c_targ; /* device target number */ 39 int c_blksz; /* device unit size (secsz) */ 40 }; 41 42 struct ctl_obj { 43 opaque_t c_data; 44 struct ctl_objops *c_ops; 45 struct ctl_ext *c_ext; 46 struct ctl_ext c_extblk; /* extended blk defined */ 47 /* for easy of alloc */ 48 }; 49 50 struct ctl_objops { 51 struct cmpkt *(*c_pktalloc)(opaque_t, int (*)(caddr_t), caddr_t); 52 void (*c_pktfree)(opaque_t, struct cmpkt *); 53 struct cmpkt *(*c_memsetup)(opaque_t, struct cmpkt *, struct buf *, 54 int (*)(caddr_t), caddr_t); 55 void (*c_memfree)(opaque_t, struct cmpkt *); 56 struct cmpkt *(*c_iosetup)(opaque_t, struct cmpkt *); 57 int (*c_transport)(opaque_t, struct cmpkt *); 58 int (*c_reset)(opaque_t, int); 59 int (*c_abort)(opaque_t, struct cmpkt *); 60 int (*c_getcap)(opaque_t, char *, int); 61 int (*c_setcap)(opaque_t, char *, int); 62 int (*c_ioctl)(opaque_t, int, intptr_t, int); 63 void *c_resv[2]; 64 }; 65 66 #define CTL_DIP_CTL(X) (((struct ctl_obj *)(X))->c_ext->c_ctldip) 67 #define CTL_DIP_DEV(X) (((struct ctl_obj *)(X))->c_ext->c_devdip) 68 #define CTL_GET_TYPE(X) (((struct ctl_obj *)(X))->c_ext->c_type_cookie) 69 #define CTL_GET_LKARG(X) (((struct ctl_obj *)(X))->c_ext->c_lkarg) 70 #define CTL_GET_TARG(X) (((struct ctl_obj *)(X))->c_ext->c_targ) 71 #define CTL_GET_BLKSZ(X) (((struct ctl_obj *)(X))->c_ext->c_blksz) 72 73 #define CTL_PKTALLOC(X, callback, arg) \ 74 (*((struct ctl_obj *)(X))->c_ops->c_pktalloc) \ 75 (((struct ctl_obj *)(X))->c_data, (callback), (arg)) 76 #define CTL_PKTFREE(X, pktp) \ 77 (*((struct ctl_obj *)(X))->c_ops->c_pktfree) \ 78 (((struct ctl_obj *)(X))->c_data, (pktp)) 79 #define CTL_MEMSETUP(X, pktp, bp, callback, arg) \ 80 (*((struct ctl_obj *)(X))->c_ops->c_memsetup) \ 81 (((struct ctl_obj *)(X))->c_data, (pktp), (bp), (callback), (arg)) 82 #define CTL_MEMFREE(X, pktp) (*((struct ctl_obj *)(X))->c_ops->c_memfree) \ 83 (((struct ctl_obj *)(X))->c_data, (pktp)) 84 #define CTL_IOSETUP(X, pktp) (*((struct ctl_obj *)(X))->c_ops->c_iosetup) \ 85 (((struct ctl_obj *)(X))->c_data, (pktp)) 86 #define CTL_TRANSPORT(X, pktp) (*((struct ctl_obj *)(X))->c_ops->c_transport) \ 87 (((struct ctl_obj *)(X))->c_data, (pktp)) 88 #define CTL_ABORT(X, pktp) (*((struct ctl_obj *)(X))->c_ops->c_abort) \ 89 (((struct ctl_obj *)(X))->c_data, (pktp)) 90 #define CTL_RESET(X, level) (*((struct ctl_obj *)(X))->c_ops->c_reset) \ 91 (((struct ctl_obj *)(X))->c_data, (level)) 92 #define CTL_IOCTL(X, cmd, arg, flag) \ 93 (*((struct ctl_obj *)(X))->c_ops->c_ioctl) \ 94 (((struct ctl_obj *)(X))->c_data, (cmd), (arg), (flag)) 95 96 /* transport return code */ 97 #define CTL_SEND_SUCCESS 0 98 #define CTL_SEND_FAILURE 1 99 #define CTL_SEND_BUSY 2 100 101 #ifdef __cplusplus 102 } 103 #endif 104 105 #endif /* _SYS_DKTP_CONTROLLER_H */ 106