1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/*
* 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.
*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SCSI_SCSI_RESOURCE_H
#define _SYS_SCSI_SCSI_RESOURCE_H
#ifdef __lock_lint
#include <note.h>
#endif
#include <sys/scsi/scsi_types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* SCSI Resource Function Declarations
*/
/*
* Defines for stating preferences in resource allocation
*/
#define NULL_FUNC ((int (*)())0)
#define SLEEP_FUNC ((int (*)())1)
#ifdef _KERNEL
/*
* Defines for the flags to scsi_init_pkt()
*/
#define PKT_CONSISTENT 0x0001 /* this is an 'iopb' packet */
#define PKT_DMA_PARTIAL 0x040000 /* partial xfer ok */
#define PKT_XARQ 0x080000 /* request for extra sense */
/*
* Old PKT_CONSISTENT value for binary compatibility with x86 2.1
*/
#define PKT_CONSISTENT_OLD 0x001000
/*
* Kernel function declarations
*/
struct buf *scsi_alloc_consistent_buf(struct scsi_address *,
struct buf *, size_t, uint_t, int (*)(caddr_t), caddr_t);
struct scsi_pkt *scsi_init_pkt(struct scsi_address *,
struct scsi_pkt *, struct buf *, int, int, int, int,
int (*)(caddr_t), caddr_t);
void scsi_destroy_pkt(struct scsi_pkt *);
void scsi_free_consistent_buf(struct buf *);
int scsi_pkt_allocated_correctly(struct scsi_pkt *);
struct scsi_pkt *scsi_dmaget(struct scsi_pkt *, opaque_t, int (*)(void));
void scsi_dmafree(struct scsi_pkt *);
void scsi_sync_pkt(struct scsi_pkt *);
/*
* Private wrapper for scsi_pkt's allocated via scsi_init_cache_pkt()
*/
struct scsi_pkt_cache_wrapper {
struct scsi_pkt pcw_pkt;
int pcw_magic;
uint_t pcw_total_xfer;
uint_t pcw_curwin;
uint_t pcw_totalwin;
uint_t pcw_granular;
struct buf *pcw_bp;
ddi_dma_cookie_t pcw_cookie;
uint_t pcw_flags;
};
#ifdef __lock_lint
_NOTE(SCHEME_PROTECTS_DATA("unique per packet",
scsi_pkt_cache_wrapper::pcw_bp
scsi_pkt_cache_wrapper::pcw_curwin
scsi_pkt_cache_wrapper::pcw_flags
scsi_pkt_cache_wrapper::pcw_granular
scsi_pkt_cache_wrapper::pcw_total_xfer
scsi_pkt_cache_wrapper::pcw_totalwin))
#endif
struct buf *scsi_pkt2bp(struct scsi_pkt *);
#define PCW_NEED_EXT_CDB 0x0001
#define PCW_NEED_EXT_TGT 0x0002
#define PCW_NEED_EXT_SCB 0x0004
#define PCW_BOUND 0x0020
/*
* Private defines i.e. not part of the DDI.
*/
#define DEFAULT_CDBLEN 16
#define DEFAULT_PRIVLEN 0
#define DEFAULT_SCBLEN (sizeof (struct scsi_arq_status))
/* Private functions */
size_t scsi_pkt_size();
void scsi_size_clean(dev_info_t *);
/* Obsolete kernel functions: */
struct scsi_pkt *scsi_pktalloc(struct scsi_address *, int, int, int (*)(void));
struct scsi_pkt *scsi_resalloc(struct scsi_address *, int,
int, opaque_t, int (*)(void));
void scsi_resfree(struct scsi_pkt *);
#define scsi_pktfree scsi_resfree
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SCSI_SCSI_RESOURCE_H */
|
