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4630 clean stale references to ddi_iopb_alloc and ddi_iopb_free
4634 undocument scsi_hba_attach() and ddi_dma_lim(9s)
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--- old/usr/src/uts/common/sys/scsi/conf/device.h
+++ new/usr/src/uts/common/sys/scsi/conf/device.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
23 23 * Use is subject to license terms.
24 24 */
25 25
26 26 /*
27 27 * SCSI device structure.
28 28 *
29 29 * All SCSI target drivers will have one of these per target/lun/sfunc.
30 30 * It is allocated and initialized by the framework SCSA HBA nexus code
31 31 * for each SCSI target dev_info_t node during HBA nexus DDI_CTLOPS_INITCHILD
32 32 * processing of a child device node just prior to tran_tgt_init(9E). A
33 33 * pointer the the scsi_device(9S) structure is stored in the
34 34 * driver-private data field of the target device's dev_info_t node (in
35 35 * 'devi_driver_data') and can be retrieved by ddi_get_driver_private(9F).
36 36 */
37 37 #ifndef _SYS_SCSI_CONF_DEVICE_H
38 38 #define _SYS_SCSI_CONF_DEVICE_H
39 39
40 40 #include <sys/scsi/scsi_types.h>
41 41
42 42 #ifdef __cplusplus
43 43 extern "C" {
44 44 #endif
45 45
46 46 struct scsi_device {
47 47 /*
48 48 * Routing information for a SCSI device (target/lun/sfunc).
49 49 *
50 50 * The scsi_address(9S) structure contains a pointer to the
51 51 * scsi_hba_tran(9S) of the transport.
52 52 *
53 53 * For devices below an HBA that uses SCSI_HBA_ADDR_SPI
54 54 * unit-addressing, the scsi_address(9S) information contains
55 55 * decoded target/lun addressing information.
56 56 *
57 57 * For devices below an HBA that uses SCSI_HBA_ADDR_COMPLEX
58 58 * unit-addressing, the scsi_address(9S) information contains a
59 59 * pointer to the scsi_device(9S) structure and the HBA can maintain
60 60 * its private per-unit-address/per-scsi_device information using
61 61 * scsi_address_device(9F) and scsi_device_hba_private_[gs]et(9F).
62 62 *
63 63 * NOTE: The scsi_address(9S) structure gets structure-copied into
64 64 * the scsi_pkt(9S) 'pkt_address' field. Having a pointer to the
65 65 * scsi_device(9S) structure within the scsi_address(9S) allows
66 66 * the SCSA framework to reflect generic changes in device state
67 67 * at scsi_pkt_comp(9F) time (given just a scsi_pkt(9S) pointer).
68 68 *
69 69 * NOTE: The older SCSI_HBA_TRAN_CLONE method of supporting
70 70 * SCSI-3 devices is still supported, but use is discouraged.
71 71 */
72 72 struct scsi_address sd_address;
73 73
74 74 /* Cross-reference to target device's dev_info_t. */
75 75 dev_info_t *sd_dev;
76 76
77 77 /*
78 78 * Target driver mutex for this device. Initialized by SCSA HBA
79 79 * framework code prior to probe(9E) or attach(9E) of scsi_device.
80 80 */
81 81 kmutex_t sd_mutex;
82 82
83 83 /*
84 84 * SCSA private: use is associated with implementation of
85 85 * SCSI_HBA_ADDR_COMPLEX scsi_device_hba_private_[gs]et(9F).
86 86 * The HBA driver can store a pointer to per-scsi_device(9S)
87 87 * HBA private data during its tran_tgt_init(9E) implementation
88 88 * by calling scsi_device_hba_private_set(9F), and free that
89 89 * pointer during tran_tgt_fini(9E). At tran_send(9E) time, the
90 90 * HBA driver can use scsi_address_device(9F) to obtain a pointer
91 91 * to the scsi_device(9S) structure, and then gain access to
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92 92 * its per-scsi_device(9S) hba private data by calling
93 93 * scsi_device_hba_private_get(9F).
94 94 */
95 95 void *sd_hba_private;
96 96
97 97 /*
98 98 * If scsi_slave is used to probe out this device, a scsi_inquiry data
99 99 * structure will be allocated and an INQUIRY command will be run to
100 100 * fill it in.
101 101 *
102 - * The allocation will be done via ddi_iopb_alloc, so any manual
103 - * freeing may be done by ddi_iopb_free.
104 - *
105 102 * The inquiry data is allocated/refreshed by scsi_probe/scsi_slave
106 103 * and freed by uninitchild (inquiry data is no longer freed by
107 104 * scsi_unprobe/scsi_unslave).
108 105 *
109 106 * NOTE: Additional device identity information may be available
110 107 * as properties of sd_dev.
111 108 */
112 109 struct scsi_inquiry *sd_inq;
113 110
114 111 /*
115 112 * Place to point to an extended request sense buffer.
116 113 * The target driver is responsible for managing this.
117 114 */
118 115 struct scsi_extended_sense *sd_sense;
119 116
120 117 /*
121 118 * Target driver 'private' information. Typically a pointer to target
122 119 * driver private ddi_soft_state(9F) information for the device. This
123 120 * information is typically established in target driver attach(9E),
124 121 * and freed in the target driver detach(9E).
125 122 *
126 123 * LEGACY: For a scsi_device structure allocated by scsi_vhci during
127 124 * online of a path, this was set by scsi_vhci to point to the
128 125 * pathinfo node. Please use sd_pathinfo instead.
129 126 */
130 127 void *sd_private;
131 128
132 129 /*
133 130 * FMA capabilities of scsi_device.
134 131 */
135 132 int sd_fm_capable;
136 133
137 134 /*
138 135 * mdi_pathinfo_t pointer to pathinfo node for scsi_device structure
139 136 * allocated by the scsi_vhci for transport to a specific pHCI path.
140 137 */
141 138 void *sd_pathinfo;
142 139
143 140 /*
144 141 * sd_uninit_prevent - Counter that prevents demotion of
145 142 * DS_INITIALIZED node (esp loss of devi_addr) by causing
146 143 * DDI_CTLOPS_UNINITCHILD failure - devi_ref will not protect
147 144 * demotion of DS_INITIALIZED node.
148 145 *
149 146 * sd_tran_tgt_free_done - in some cases SCSA will call
150 147 * tran_tgt_free(9E) independent of devinfo node state, this means
151 148 * that uninitchild code should not call tran_tgt_free(9E).
152 149 */
153 150 int sd_uninit_prevent:16,
154 151 sd_tran_tgt_free_done:1,
155 152 sd_flags_pad:15;
156 153
157 154 /*
158 155 * The 'sd_tran_safe' field is a grotty hack that allows direct-access
159 156 * (non-scsa) drivers (like chs, ata, and mlx - which all make cmdk
160 157 * children) to *illegally* put their own vector in the scsi_address(9S)
161 158 * 'a_hba_tran' field. When all the drivers that overwrite
162 159 * 'a_hba_tran' are fixed, we can remove sd_tran_safe (and make
163 160 * scsi_hba.c code trust that the 'sd_address.a_hba_tran' established
164 161 * during initchild is still valid when uninitchild occurs).
165 162 *
166 163 * NOTE: This hack is also shows up in the DEVP_TO_TRAN implementation
167 164 * in scsi_confsubr.c.
168 165 *
169 166 * NOTE: The 'sd_tran_safe' field is only referenced by SCSA framework
170 167 * code, so always keeping it at the end of the scsi_device structure
171 168 * (until it can be removed) is OK. It use to be called 'sd_reserved'.
172 169 */
173 170 struct scsi_hba_tran *sd_tran_safe;
174 171
175 172 #ifdef SCSI_SIZE_CLEAN_VERIFY
176 173 /*
177 174 * Must be last: Building a driver with-and-without
178 175 * -DSCSI_SIZE_CLEAN_VERIFY, and checking driver modules for
179 176 * differences with a tools like 'wsdiff' allows a developer to verify
180 177 * that their driver has no dependencies on scsi*(9S) size.
181 178 */
182 179 int _pad[8];
183 180 #endif /* SCSI_SIZE_CLEAN_VERIFY */
184 181 };
185 182
186 183 #ifdef _KERNEL
187 184
188 185 /* ==== The following interfaces are public ==== */
189 186
190 187 int scsi_probe(struct scsi_device *sd, int (*callback)(void));
191 188 void scsi_unprobe(struct scsi_device *sd);
192 189
193 190 /* ==== The following interfaces are private (currently) ==== */
194 191
195 192 char *scsi_device_unit_address(struct scsi_device *sd);
196 193
197 194 /*
198 195 * scsi_device_prop_*() property interfaces: flags
199 196 *
200 197 * SCSI_DEVICE_PROP_PATH: property of path-to-device.
201 198 * The property is associated with the sd_pathinfo pathinfo node
202 199 * as established by scsi_vhci. If sd_pathinfo is NULL then the
203 200 * property is associated with the sd_dev devinfo node.
204 201 * Implementation uses mdi_prop_*() interfaces applied to
205 202 * mdi_pathinfo_t (sd_pathinfo) nodes.
206 203 *
207 204 * SCSI_DEVICE_PROP_DEVICE: property of device.
208 205 * The property is always associated with the sd_dev devinfo
209 206 * node. Implementation uses ndi_prop_*() interfaces applied
210 207 * dev_info_t (sd_dev) nodes.
211 208 */
212 209 #define SCSI_DEVICE_PROP_PATH 0x1 /* type is property-of-path */
213 210 #define SCSI_DEVICE_PROP_DEVICE 0x2 /* type is property-of-device */
214 211 #define SCSI_DEVICE_PROP_TYPE_MSK 0xF
215 212
216 213 int scsi_device_prop_get_int(struct scsi_device *sd,
217 214 uint_t flags, char *name, int defvalue);
218 215 int64_t scsi_device_prop_get_int64(struct scsi_device *,
219 216 uint_t flags, char *name, int64_t defvalue);
220 217
221 218 int scsi_device_prop_lookup_byte_array(struct scsi_device *sd,
222 219 uint_t flags, char *name, uchar_t **, uint_t *);
223 220 int scsi_device_prop_lookup_int_array(struct scsi_device *sd,
224 221 uint_t flags, char *name, int **, uint_t *);
225 222 int scsi_device_prop_lookup_string(struct scsi_device *sd,
226 223 uint_t flags, char *name, char **);
227 224 int scsi_device_prop_lookup_string_array(struct scsi_device *sd,
228 225 uint_t flags, char *name, char ***, uint_t *);
229 226
230 227 int scsi_device_prop_update_byte_array(struct scsi_device *sd,
231 228 uint_t flags, char *name, uchar_t *, uint_t);
232 229 int scsi_device_prop_update_int(struct scsi_device *sd,
233 230 uint_t flags, char *name, int);
234 231 int scsi_device_prop_update_int64(struct scsi_device *sd,
235 232 uint_t flags, char *name, int64_t);
236 233 int scsi_device_prop_update_int_array(struct scsi_device *sd,
237 234 uint_t flags, char *name, int *, uint_t);
238 235 int scsi_device_prop_update_string(struct scsi_device *sd,
239 236 uint_t flags, char *name, char *);
240 237 int scsi_device_prop_update_string_array(struct scsi_device *sd,
241 238 uint_t flags, char *name, char **, uint_t);
242 239
243 240 int scsi_device_prop_remove(struct scsi_device *sd,
244 241 uint_t flags, char *name);
245 242 void scsi_device_prop_free(struct scsi_device *sd,
246 243 uint_t flags, void *data);
247 244
248 245 /* SCSI_HBA_ADDR_COMPLEX interfaces */
249 246 struct scsi_device *scsi_address_device(struct scsi_address *sa);
250 247 void scsi_device_hba_private_set(struct scsi_device *sd, void *data);
251 248 void *scsi_device_hba_private_get(struct scsi_device *sd);
252 249
253 250 /* ==== The following interfaces are private ==== */
254 251
255 252 size_t scsi_device_size();
256 253
257 254 /* ==== The following interfaces are obsolete ==== */
258 255
259 256 int scsi_slave(struct scsi_device *sd, int (*callback)(void));
260 257 void scsi_unslave(struct scsi_device *sd);
261 258
262 259 #endif /* _KERNEL */
263 260
264 261 #ifdef __cplusplus
265 262 }
266 263 #endif
267 264
268 265 #endif /* _SYS_SCSI_CONF_DEVICE_H */
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