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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 *
25 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
26 */
27
28 #ifndef _SYS_USB_USBA_USBA_IMPL_H
29 #define _SYS_USB_USBA_USBA_IMPL_H
30
31
32 #include <sys/usb/usba.h>
33 #include <sys/usb/usba/hcdi.h>
34 #include <sys/usb/usba/hubdi.h>
35 #include <sys/usb/usba/usba_private.h>
36 #include <sys/usb/usba/usba_types.h>
37 #include <sys/taskq.h>
38 #include <sys/disp.h>
39
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43
44
45 /*
46 * UGEN binding values specified in <hcd>.conf files
47 */
48 #define USBA_UGEN_DEVICE_BINDING 1
49 #define USBA_UGEN_INTERFACE_BINDING 2
50 #define USBA_UGEN_INTERFACE_ASSOCIATION_BINDING 3
51
52 /*
53 * Allocating a USB address
54 */
55 #define USBA_MAX_ADDRESS 127
56 #define USBA_ADDRESS_ARRAY_SIZE ((USBA_MAX_ADDRESS+8)/8)
57
58 /*
59 * async execution of usb_pipe_* functions which have a
60 * completion callback parameter (eg. usb_pipe_close(),
61 * usb_pipe_reset(), usb_pipe_stop_*_polling()
62 */
63 typedef struct usba_pipe_async_req {
64 dev_info_t *dip;
65 struct usba_ph_impl *ph_impl;
66 usb_opaque_t arg;
67 usb_flags_t usb_flags;
68 void (*callback)(
69 usb_pipe_handle_t ph,
70 usb_opaque_t callback_arg,
71 int rval,
72 usb_cb_flags_t error_code);
73 usb_opaque_t callback_arg;
74 int (*sync_func)(dev_info_t *,
75 usba_ph_impl_t *,
76 struct usba_pipe_async_req *,
77 usb_flags_t);
78 } usba_pipe_async_req_t;
79 _NOTE(SCHEME_PROTECTS_DATA("unique per call", usba_pipe_async_req_t))
80
81 /* per-pipe taskq */
82 int usba_async_ph_req(usba_pipe_handle_data_t *, void (*func)(void *),
83 void *, usb_flags_t);
84
85 /*
86 * usb wrapper around pm_request_power_change to allow for
87 * non blocking behavior
88 */
89 typedef struct usba_pm_req {
90 dev_info_t *dip;
91 int comp;
92 int old_level;
93 int level;
94 void (*cb)(void *, int);
95 void *arg;
96 uint_t flags;
97 } usba_pm_req_t;
98 _NOTE(SCHEME_PROTECTS_DATA("unique per call", usba_pm_req_t))
99
100
101 /*
102 * Request wrappers for control/bulk/interrupt and isoch pipes
103 * These are hidden from client driver. They serve as place-holders
104 * for doing callbacks
105 *
106 * Request allocation: wrapper + usb_*_req_t alloc'ed together:
107 *
108 * +-----------------------+
109 * | wr_queue | for callbacks
110 * +-----------------------+
111 * | wr_req |-------+ wr_req points to
112 * +-----------------------+ | the req below.
113 * | | |
114 * | .... | |
115 * | req_wrapper_t | |
116 * | | |
117 * +-----------------------+<------+
118 * | |
119 * | .... |
120 * | ctrl/bulk/intr/isoch |
121 * | req_t |
122 * | |
123 * | |
124 * +-----------------------+
125 */
126 typedef struct usba_req_wrapper {
127 /* queueing in either a request or callback queue */
128 usba_list_entry_t wr_queue;
129
130 /*
131 * The request could be control/bulk/intr/isoc
132 * See usbai.h usb_ctrl_req_t/usb_bulk_req_t
133 * usb_intr_req_t/usb_isoc_req_t
134 */
135 usb_opaque_t wr_req;
136
137 /* for allocation tracking in usba_device_t */
138 usba_list_entry_t wr_allocated_list;
139
140 /*
141 * All reqs that are synchronous sleep on this cv
142 * for completion notification.
143 * In hcdi soft interrupt handler we call cv_signal()
144 */
145 kcondvar_t wr_cv;
146
147 /*
148 * This goes hand-in-hand with wr_cv. It is set by the soft intr hdlr
149 * before doing a cv_signal
150 */
151 boolean_t wr_done;
152 dev_info_t *wr_dip; /* owner */
153
154 usb_opaque_t wr_hcd_private; /* for HCD's use */
155
156 usba_pipe_handle_data_t *wr_ph_data; /* ptr to pipe handle */
157
158 usb_cr_t wr_cr; /* save cr from HCDI */
159 usb_cb_flags_t wr_cb_flags; /* save cb_flags */
160 usb_flags_t wr_usb_flags; /* save usb flags from HCDI */
161 usb_req_attrs_t wr_attrs; /* save attrs from HCDI */
162
163 /* total lenght of wrapper and request */
164 size_t wr_length;
165 } usba_req_wrapper_t;
166
167 _NOTE(SCHEME_PROTECTS_DATA("method", usba_req_wrapper))
168 _NOTE(SCHEME_PROTECTS_DATA("method", usb_ctrl_req))
169 _NOTE(SCHEME_PROTECTS_DATA("method", usb_bulk_req))
170 _NOTE(SCHEME_PROTECTS_DATA("method", usb_intr_req))
171 _NOTE(SCHEME_PROTECTS_DATA("method", usb_isoc_req))
172
173 /* additional flag for wr_usb_flags */
174 #define USBA_WRP_FLAGS_WAIT 0x01
175
176 /* additional usb flags, not exposed to clients */
177 #define USBA_FLAGS_PRIVILEGED 0x02 /* for default pipe operations */
178
179 /* Macros to convert wrapper to different request and vice-versa */
180
181 /* to get the wr->wr_req field */
182 #define USBA_WRP2REQ(wrp) ((wrp)->wr_req)
183
184 /* to get the wrapper form the wr_req field */
185 #define USBA_REQ2WRP(req) (usba_req_wrapper_t *)\
186 ((uintptr_t)(req) - sizeof (usba_req_wrapper_t))
187
188 /* to set the the address in the wr_req field */
189 #define USBA_SETREQ_ADDR(wrp) ((uintptr_t)(wrp) + sizeof (*(wrp)))
190
191 /* to get the 4 xfer type requests */
192 #define USBA_WRP2CTRL_REQ(wrp) ((usb_ctrl_req_t *)USBA_WRP2REQ((wrp)))
193 #define USBA_WRP2INTR_REQ(wrp) ((usb_intr_req_t *)USBA_WRP2REQ((wrp)))
194 #define USBA_WRP2BULK_REQ(wrp) ((usb_bulk_req_t *)USBA_WRP2REQ((wrp)))
195 #define USBA_WRP2ISOC_REQ(wrp) ((usb_isoc_req_t *)USBA_WRP2REQ((wrp)))
196
197 /* to get pipe_handle from the wrapper */
198 #define USBA_WRP2PH_DATA(wrp) \
199 (usba_pipe_handle_data_t *)((wrp)->wr_ph_data)
200
201 /* to get to the wr_queue from the wrapper */
202 #define USBA_WRQUEUE2WRP(queue) (usba_req_wrapper_t *)(queue)
203
204 /* to get to the wr_allocated queue from the wrapper */
205 #define USBA_ALLOCQ2WRP(queue) (usba_req_wrapper_t *)((uintptr_t) \
206 (queue) - sizeof (usba_list_entry_t) - sizeof (usb_opaque_t))
207
208
209 /* alias for pipe handle member p_usba_private */
210 #define p_active_cntrl_req_wrp p_usba_private
211
212 /*
213 * This function is used to get the HCD private field maintained by USBA.
214 * HCD calls this function.
215 */
216 usb_opaque_t usba_hcdi_get_ctrl_req_hcd_private(usb_ctrl_req_t *);
217
218 /*
219 * This function is used to set the HCD private field maintained by USBA.
220 * HCD calls this function.
221 */
222 void usba_hcdi_set_ctrl_req_hcd_private(usb_ctrl_req_t *, usb_opaque_t);
223
224 int usba_set_usb_address(usba_device_t *);
225 void usba_unset_usb_address(usba_device_t *);
226
227 /*
228 * Per Hub Data Structures
229 */
230 typedef struct usba_hubdi {
231 usba_list_entry_t hubdi_list; /* linking in hubdi list */
232
233 dev_info_t *hubdi_dip; /* ptr to devinfo struct */
234
235 int hubdi_flags; /* flag options */
236
237 } usba_hubdi_t;
238
239 /*
240 * usba_get_mfg_prod_sn_str:
241 * Return a string containing mfg, product, serial number strings.
242 */
243 char *usba_get_mfg_prod_sn_str(dev_info_t *, char *, int);
244
245 /* return value when user doesn't specify configuration index */
246 #define USBA_DEV_CONFIG_INDEX_UNDEFINED -1
247
248 /*
249 * prototypes
250 */
251 void usba_usba_initialization();
252 void usba_usba_destroy();
253
254 void usba_usbai_register_initialization();
255 void usba_usbai_register_destroy();
256
257 void usba_usbai_initialization();
258 void usba_usbai_destroy();
259
260 void usba_hubdi_initialization();
261 void usba_hubdi_destroy();
262
263 void usba_devdb_initialization();
264 void usba_devdb_destroy();
265
266 int usba_hubdi_register(dev_info_t *, uint_t);
267 int usba_hubdi_unregister(dev_info_t *);
268
269 int usba_is_root_hub(dev_info_t *dip);
270
271 usba_device_t *usba_alloc_usba_device(dev_info_t *);
272 void usba_free_usba_device(usba_device_t *usba_device_t);
273 void usba_clear_data_toggle(usba_device_t *usba_device);
274
275 void usba_start_next_req(usba_pipe_handle_data_t *ph);
276
277 int usba_pipe_check_handle(usba_pipe_handle_data_t *);
278 int usba_drain_cbs(usba_pipe_handle_data_t *, usb_cb_flags_t,
279 usb_cr_t);
280 int usba_pipe_setup_func_call(dev_info_t *,
281 int (*sync_func)(dev_info_t *,
282 usba_ph_impl_t *, usba_pipe_async_req_t *,
283 usb_flags_t),
284 usba_ph_impl_t *,
285 usb_opaque_t,
286 usb_flags_t,
287 void (*cb)(usb_pipe_handle_t, usb_opaque_t,
288 int, usb_cb_flags_t),
289 usb_opaque_t);
290
291
292 void usba_pipe_new_state(usba_pipe_handle_data_t *, usb_pipe_state_t);
293
294 void usba_add_root_hub(dev_info_t *dip);
295 void usba_rem_root_hub(dev_info_t *dip);
296
297 /*
298 * retrieve string descriptors for manufacturer, vendor and serial
299 * number
300 */
301 void usba_get_dev_string_descrs(dev_info_t *, usba_device_t *);
302
303 /*
304 * Check if we are not in interrupt context and have
305 * USB_FLAGS_SLEEP flags set.
306 */
307 #define USBA_CHECK_CONTEXT() ASSERT(!(servicing_interrupt()))
308
309 /*
310 * USBA module Masks
311 */
312 #define DPRINT_MASK_USBA 0x00000001
313 #define DPRINT_MASK_USBAI 0x00000002
314 #define DPRINT_MASK_HUBDI 0x00000004
315 #define DPRINT_MASK_HCDI 0x00000008
316 #define DPRINT_MASK_HCDI_DUMPING 0x00000010
317 #define DPRINT_MASK_HUBDI_DUMPING 0x00000020
318 #define DPRINT_MASK_REGISTER 0x00000040
319 #define DPRINT_MASK_DEVDB 0x00000080
320 #define DPRINT_MASK_WHCDI 0x00000100
321 #define DPRINT_MASK_ALL 0xFFFFFFFF
322
323 typedef struct usba_log_handle_impl {
324 dev_info_t *lh_dip;
325 char *lh_name;
326 uint_t *lh_errlevel;
327 uint_t *lh_mask;
328 uint_t *lh_instance_filter;
329 uint_t lh_flags;
330 } usba_log_handle_impl_t;
331
332 _NOTE(SCHEME_PROTECTS_DATA("USBA managed data", usba_log_handle_impl))
333
334 /*
335 * Miscellaneous definitions.
336 */
337
338 /* possible strlen of a USB driver's name */
339 #define USBA_DRVNAME_LEN 40
340
341 /* strings passed to usb_dprintfN() are this long */
342 #define USBA_PRINT_BUF_LEN 256
343
344 /*
345 * usba_set_node_name() sets a device info node name
346 * according to class, subclass, and protocol.
347 * a subclass == -1 or protocol == -1 is considered a "don't care".
348 */
349 #define DONTCARE ((int16_t)-1)
350 #define FLAG_INTERFACE_NODE 0
351 #define FLAG_DEVICE_NODE 1
352 #define FLAG_COMBINED_NODE 2
353 #define FLAG_INTERFACE_ASSOCIATION_NODE 3
354
355 typedef struct node_name_entry {
356 int16_t class;
357 int16_t subclass;
358 int16_t protocol;
359 char *name;
360 } node_name_entry_t;
361
362
363 /*
364 * USB enumeration statistics support
365 */
366
367 /* Flags telling which stats usba_update_hotplug_stats should update */
368 #define USBA_TOTAL_HOTPLUG_SUCCESS 0x01
369 #define USBA_HOTPLUG_SUCCESS 0x02
370 #define USBA_TOTAL_HOTPLUG_FAILURE 0x04
371 #define USBA_HOTPLUG_FAILURE 0x08
372
373 /*
374 * Increment enumeration stats indicated by the flags
375 */
376 void usba_update_hotplug_stats(dev_info_t *, usb_flags_t);
377
378 /* Retrieve the current enumeration hotplug statistics */
379 void usba_get_hotplug_stats(dev_info_t *,
380 ulong_t *, ulong_t *, ulong_t *,
381 ulong_t *, uchar_t *);
382
383 /* Reset the resetable hotplug stats */
384 void usba_reset_hotplug_stats(dev_info_t *);
385
386
387 extern usb_log_handle_t usbai_log_handle;
388 extern kmutex_t usbai_mutex;
389
390 void usba_req_normal_cb(usba_req_wrapper_t *);
391 void usba_req_exc_cb(usba_req_wrapper_t *, usb_cr_t, usb_cb_flags_t);
392 void usba_do_req_exc_cb(usba_req_wrapper_t *, usb_cr_t,
393 usb_cb_flags_t);
394 void usba_req_set_cb_flags(usba_req_wrapper_t *, usb_cb_flags_t);
395
396 /*
397 * Creating/Destroying children (root hub, and hub children)
398 */
399 int usba_create_child_devi(dev_info_t *, char *, usba_hcdi_ops_t *,
400 dev_info_t *, usb_port_status_t,
401 usba_device_t *, dev_info_t **);
402
403 int usba_destroy_child_devi(dev_info_t *, uint_t);
404
405 /* utility function to map rval to a meaningful cr */
406 usb_cr_t usba_rval2cr(int);
407
408 /* various conversion functions */
409 usb_pipe_handle_t usba_get_dflt_pipe_handle(dev_info_t *);
410 dev_info_t *usba_get_dip(usb_pipe_handle_t);
411 usb_pipe_handle_t usba_usbdev_to_dflt_pipe_handle(usba_device_t *);
412 usb_pipe_handle_t usba_get_pipe_handle(usba_pipe_handle_data_t *);
413 usba_pipe_handle_data_t *usba_get_ph_data(usb_pipe_handle_t);
414 usb_pipe_state_t usba_get_ph_state(usba_pipe_handle_data_t *);
415 int usba_get_ph_ref_count(usba_pipe_handle_data_t *);
416
417 /* increment and decrement ref_count */
418 usba_pipe_handle_data_t *usba_hold_ph_data(usb_pipe_handle_t);
419 void usba_release_ph_data(usba_ph_impl_t *);
420
421 /* close all pipe and mark them persistent */
422 void usba_persistent_pipe_close(usba_device_t *);
423
424 /* reopen pipes that are marked persistent */
425 int usba_persistent_pipe_open(usba_device_t *);
426
427 /* check for leaks in hubd and usb_mid */
428 void usba_check_for_leaks(usba_device_t *);
429
430 /* free request wrappers */
431 void usba_req_wrapper_free(usba_req_wrapper_t *);
432
433 /* usb device capture for the specific client driver */
434 typedef struct usb_dev_cap {
435 dev_info_t *dip;
436 usb_dev_driver_callback_t usba_dev_driver_cb;
437 } usb_dev_cap_t;
438
439 usb_dev_cap_t usb_cap;
440 _NOTE(SCHEME_PROTECTS_DATA("unique device capture data", usb_cap))
441
442 #ifdef __cplusplus
443 }
444 #endif
445
446 #endif /* _SYS_USB_USBA_USBA_IMPL_H */