whcdi.h revision 9797:4b03a6b797a8
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
26#ifndef	_SYS_USB_WHCDI_H
27#define	_SYS_USB_WHCDI_H
28
29#ifdef	__cplusplus
30extern "C" {
31#endif
32
33#include <sys/usb/usba/usba_types.h>
34#include <sys/usb/usba/wusba.h>
35#include <sys/usb/usba/wusba_io.h>
36#include <sys/usb/usba/wa.h>	/* for wusb_secrt_data_t */
37
38
39/*
40 * This file contains data structures and functions that might be
41 * shared by HWA and WHCI drivers.
42 */
43
44typedef struct wusb_hc_cc_list {
45	wusb_cc_t		cc;
46	struct wusb_hc_cc_list	*next;
47} wusb_hc_cc_list_t;
48
49struct wusb_hc_data;
50
51typedef struct wusb_dev_info {
52	struct wusb_hc_data	*wdev_hc; /* the HC this device attaches */
53	uint8_t			wdev_cdid[16];
54	uint16_t		wdev_addr;
55	uint16_t		wdev_state;
56	uint8_t			wdev_is_newconn;
57	uint8_t			wdev_beacon_attr;
58	usb_pipe_handle_t	wdev_ph;	/* used before authenticated */
59	wusb_secrt_data_t	wdev_secrt_data;
60	usb_uwb_cap_descr_t	*wdev_uwb_descr;
61	wusb_cc_t		*wdev_cc;
62	uint8_t			wdev_ptk[16];
63	uint8_t			wdev_tkid[3];
64	timeout_id_t		wdev_trust_timer; /* TrustTimeout timer */
65	uint8_t			wdev_active;
66} wusb_dev_info_t;
67
68_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_dev_info::wdev_addr))
69_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_dev_info::wdev_uwb_descr))
70_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_dev_info::wdev_hc))
71_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_dev_info::wdev_secrt_data))
72
73/*
74 * According to WUSB 1.0 spec, WUSB hosts can support up to 127 devices.
75 * To comply with USB bus convention that bus address 1 is assigned
76 * to the host controller device, the addresses assigned to WUSB devices
77 * would start from 2. So the max device number is reduced to 126.
78 */
79#define	WUSB_MAX_PORTS		126
80
81#define	WUSB_CHILD_ZAP		0x1
82
83typedef struct wusb_hc_data {
84	dev_info_t		*hc_dip;
85	void			*hc_private_data;
86	uint8_t			hc_chid[16];
87	uint8_t			hc_cluster_id;
88	uint8_t			hc_num_mmcies;
89	kmutex_t		hc_mutex;
90	wusb_ie_header_t	**hc_mmcie_list;
91
92	boolean_t		hc_newcon_enabled;
93
94	/* save the often used IEs so as not to allocate them each time */
95	wusb_ie_keepalive_t		hc_alive_ie;
96
97	/* children info structures */
98	uint8_t			hc_num_ports;
99	wusb_dev_info_t		**hc_dev_infos;
100	dev_info_t		**hc_children_dips;
101	size_t			hc_cd_list_length;
102	usba_device_t		**hc_usba_devices;
103
104	/* for bus unconfig */
105	uint8_t			hc_children_state[WUSB_MAX_PORTS + 1];
106
107	/* child connection functions */
108	void	(*disconnect_dev)(dev_info_t *, usb_port_t);
109	void	(*reconnect_dev)(dev_info_t *, usb_port_t);
110	int	(*create_child)(dev_info_t *, usb_port_t);
111	int	(*destroy_child)(dev_info_t *, usb_port_t);
112
113	/*
114	 * some necessary host functions:
115	 * Both HWA and HCI must implement these entries to support basic
116	 * host controller operations.
117	 */
118	int	(*set_encrypt)(dev_info_t *, usb_port_t, uint8_t);
119	int	(*set_ptk)(dev_info_t *, usb_key_descr_t *, size_t, usb_port_t);
120	int	(*set_gtk)(dev_info_t *, usb_key_descr_t *, size_t);
121	int	(*set_device_info)(dev_info_t *, wusb_dev_info_t *, usb_port_t);
122	int	(*set_cluster_id) (dev_info_t *, uint8_t id);
123	int	(*set_stream_idx) (dev_info_t *, uint8_t idx);
124	int	(*set_wusb_mas)	(dev_info_t *, uint8_t *data);
125	int	(*add_mmc_ie)	(dev_info_t *, uint8_t interval, uint8_t rcnt,
126				uint8_t iehdl, uint16_t len, uint8_t *data);
127	int	(*rem_mmc_ie)	(dev_info_t *, uint8_t iehdl);
128	int	(*stop_ch)	(dev_info_t *, uint32_t time);
129	int	(*set_num_dnts)	(dev_info_t *, uint8_t interval, uint8_t nslot);
130	int	(*get_time)	(dev_info_t *, uint8_t timetype,
131				uint16_t timelen, uint32_t *time);
132
133	/* host addr in MAC layer */
134	uint16_t		hc_addr;
135
136	/* beaconing channel */
137	uint8_t			hc_channel;
138
139	/* reserved MASes. bitmaps */
140	uint8_t			hc_mas[WUSB_SET_WUSB_MAS_LEN];
141
142	/* connection context list for the host */
143	wusb_hc_cc_list_t	*hc_cc_list;
144
145	/* group temporal key */
146	usb_key_descr_t		hc_gtk;
147	uint8_t			hc_gtk_padding[15];
148} wusb_hc_data_t;
149
150_NOTE(MUTEX_PROTECTS_DATA(wusb_hc_data_t::hc_mutex, wusb_dev_info_t))
151_NOTE(MUTEX_PROTECTS_DATA(wusb_hc_data_t::hc_mutex, wusb_hc_data_t))
152
153_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::hc_num_ports))
154_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::hc_num_mmcies))
155_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::hc_dip))
156_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::hc_gtk))
157_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::add_mmc_ie))
158_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::rem_mmc_ie))
159_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::set_cluster_id))
160_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::set_encrypt))
161_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::set_gtk))
162_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::set_ptk))
163_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::set_num_dnts))
164_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::set_stream_idx))
165_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::set_wusb_mas))
166_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::stop_ch))
167_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::create_child))
168_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::destroy_child))
169_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::disconnect_dev))
170_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::reconnect_dev))
171_NOTE(DATA_READABLE_WITHOUT_LOCK(wusb_hc_data_t::get_time))
172
173_NOTE(SCHEME_PROTECTS_DATA("local use only",
174				wusb_ie_host_disconnect::bLength))
175_NOTE(SCHEME_PROTECTS_DATA("local use only",
176				wusb_ie_host_disconnect::bIEIdentifier))
177_NOTE(SCHEME_PROTECTS_DATA("local use only",
178				wusb_ccm_nonce::sfn))
179/*
180 * WUSB 1.0 4.3.8.5 says the range of cluster id is in 0x80-0xfe,
181 * we limit the maximum WUSB host controller numbers to 31 now,
182 * and take the upper portion of this range as the broadcast
183 * cluster id
184 */
185#define	WUSB_CLUSTER_ID_COUNT		31
186#define	WUSB_MIN_CLUSTER_ID		0xe0
187
188#define	WUSB_TRUST_TIMEOUT	4 /* WUSB 4.15.1 TrustTimeout = 4s */
189#define	WUSB_TRUST_TIMEOUT_US	WUSB_TRUST_TIMEOUT * MICROSEC
190
191#define	WUSB_PERIODIC_ENDPOINT(endpoint) (((endpoint->bmAttributes & \
192	USB_EP_ATTR_MASK) == USB_EP_ATTR_INTR) ||\
193	((endpoint->bmAttributes &\
194	USB_EP_ATTR_MASK) == USB_EP_ATTR_ISOCH))
195
196#define	WUSB_ISOC_ENDPOINT(endpoint) (((endpoint->bmAttributes &\
197	USB_EP_ATTR_MASK) == USB_EP_ATTR_ISOCH))
198
199#define	WUSB_INTR_ENDPOINT(endpoint) (((endpoint->bmAttributes &\
200	USB_EP_ATTR_MASK) == USB_EP_ATTR_INTR))
201
202/* helper functions */
203uint8_t	wusb_hc_get_cluster_id();
204void	wusb_hc_free_cluster_id(uint8_t id);
205int	wusb_hc_get_iehdl(wusb_hc_data_t *hc_data, wusb_ie_header_t *hdr,
206	uint8_t *iehdl);
207void	wusb_hc_free_iehdl(wusb_hc_data_t *hc_data, uint8_t iehdl);
208
209uint_t	wusb_hc_is_dev_connected(wusb_hc_data_t *hc_data, uint8_t *cdid,
210	usb_port_t *port);
211uint_t	wusb_hc_is_addr_valid(wusb_hc_data_t *hc_data, uint8_t addr,
212	usb_port_t *port);
213usb_port_t	wusb_hc_get_free_port(wusb_hc_data_t *hc_data);
214
215/* device notification support */
216int	wusb_hc_ack_conn(wusb_hc_data_t *hc_data, usb_port_t port);
217int	wusb_hc_ack_disconn(wusb_hc_data_t *hc_data, uint8_t addr);
218void	wusb_hc_rm_ack(wusb_hc_data_t *hc_data);
219int	wusb_hc_send_keepalive_ie(wusb_hc_data_t *hc_data, uint8_t addr);
220int	wusb_hc_auth_dev(wusb_hc_data_t *hc_data, usb_port_t port,
221	usb_pipe_handle_t ph, uint8_t ifc, wusb_secrt_data_t *secrt_data);
222int	wusb_hc_handle_port_connect(wusb_hc_data_t *hc_data, usb_port_t port,
223	usb_pipe_handle_t ph, uint8_t ifc, wusb_secrt_data_t *secrt_data);
224void	wusb_hc_handle_dn_connect(wusb_hc_data_t *hc_data,
225	usb_pipe_handle_t ph, uint8_t ifc, uint8_t *data, size_t len,
226	wusb_secrt_data_t *secrt_data);
227void	wusb_hc_handle_dn_disconnect(wusb_hc_data_t *hc_data, uint8_t addr,
228	uint8_t *data, size_t len);
229
230/* wusb common device function */
231int	wusb_create_child_devi(dev_info_t *dip, char *node_name,
232	usba_hcdi_ops_t *usba_hcdi_ops, dev_info_t *usb_root_hub_dip,
233	usb_port_status_t port_status, usba_device_t *usba_device,
234	dev_info_t **child_dip);
235int	wusb_get_dev_security_descr(usb_pipe_handle_t ph,
236	wusb_secrt_data_t *secrt_data);
237int	wusb_get_bos_cloud(dev_info_t *child_dip, usba_device_t *child_ud);
238int	wusb_get_rc_dev_by_hc(dev_info_t *dip, dev_t *dev);
239
240int16_t	wusb_get_ccm_encryption_value(wusb_secrt_data_t *secrt_data);
241
242/* device dynamical configuration functions */
243void	wusb_hc_disconnect_dev(wusb_hc_data_t *hc_data, usb_port_t port);
244void	wusb_hc_reconnect_dev(wusb_hc_data_t *hc_data, usb_port_t port);
245int	wusb_hc_create_child(wusb_hc_data_t *hc_data, usb_port_t port);
246int	wusb_hc_destroy_child(wusb_hc_data_t *hc_data, usb_port_t port);
247
248/* WUSB HC common requests */
249int	wusb_hc_set_cluster_id(wusb_hc_data_t *hc_data, uint8_t cluster_id);
250
251int	wusb_hc_set_stream_idx(wusb_hc_data_t *hc_data, uint8_t stream_idx);
252
253int	wusb_hc_set_wusb_mas(wusb_hc_data_t *hc_data, uint8_t *data);
254
255int	wusb_hc_add_mmc_ie(wusb_hc_data_t *hc_data, uint8_t interval,
256	uint8_t rcnt, uint8_t iehdl, uint16_t len, uint8_t *data);
257
258int	wusb_hc_remove_mmc_ie(wusb_hc_data_t *hc_data, uint8_t iehdl);
259void	wusb_hc_rem_ie(wusb_hc_data_t *hc_data, wusb_ie_header_t *ieh);
260
261int	wusb_hc_stop_ch(wusb_hc_data_t *hc_data, uint32_t timeoff);
262
263int	wusb_hc_set_num_dnts(wusb_hc_data_t *hc_data, uint8_t interval,
264	uint8_t nslots);
265
266int	wusb_hc_get_time(wusb_hc_data_t *hc_data, uint8_t time_type,
267	uint16_t len, uint32_t *time);
268
269int	wusb_hc_add_host_info(wusb_hc_data_t *hc_data, uint8_t stream_idx);
270
271void	wusb_hc_rem_host_info(wusb_hc_data_t *hc_data);
272
273int	wusb_hc_send_host_disconnect(wusb_hc_data_t *hc_data);
274
275int	wusb_hc_set_device_info(wusb_hc_data_t *hc_data, usb_port_t port);
276
277/* WUSB HC connection context list operations */
278void	wusb_hc_add_cc(wusb_hc_cc_list_t **cc_list, wusb_hc_cc_list_t *new_cc);
279void	wusb_hc_rem_cc(wusb_hc_cc_list_t **cc_list, wusb_cc_t *old_cc);
280void	wusb_hc_free_cc_list(wusb_hc_cc_list_t *cc_list);
281wusb_cc_t *wusb_hc_cc_matched(wusb_hc_cc_list_t *cc_list, uint8_t *cdid);
282
283/* security functions */
284int	wusb_dev_set_encrypt(usb_pipe_handle_t ph, uint8_t value);
285int	wusb_enable_dev_encrypt(wusb_hc_data_t *hc, wusb_dev_info_t *dev_info);
286int	wusb_dev_set_key(usb_pipe_handle_t ph, uint8_t key_index,
287	usb_key_descr_t *key, size_t klen);
288int	wusb_hc_set_encrypt(wusb_hc_data_t *hc_data, usb_port_t port,
289	uint8_t type);
290int	wusb_hc_set_ptk(wusb_hc_data_t *hc_data, uint8_t *key_data,
291	usb_port_t port);
292int	wusb_hc_set_gtk(wusb_hc_data_t *hc_data, uint8_t *key_data,
293	uint8_t *tkid);
294
295/* crypto functions */
296int	PRF(const uchar_t *key, size_t klen, wusb_ccm_nonce_t *nonce,
297	const uchar_t *adata, size_t alen,
298	const uchar_t *bdata, size_t blen,
299	uchar_t *out, size_t bitlen);
300
301#define	PRF_64(key, klen, nonce, adata, alen, bdata, blen, out)	\
302	PRF(key, klen, nonce, adata, alen, bdata, blen, out, 64)
303
304#define	PRF_128(key, klen, nonce, adata, alen, bdata, blen, out)	\
305	PRF(key, klen, nonce, adata, alen, bdata, blen, out, 128)
306
307#define	PRF_256(key, klen, nonce, adata, alen, bdata, blen, out)	\
308	PRF(key, klen, nonce, adata, alen, bdata, blen, out, 256)
309
310int	wusb_gen_random_nonce(wusb_hc_data_t *hc_data,
311	wusb_dev_info_t *dev_info, uchar_t *rbuf);
312
313int	wusb_4way_handshake(wusb_hc_data_t *hc_data, usb_port_t port,
314	usb_pipe_handle_t ph, uint8_t ifc);
315
316#ifdef __cplusplus
317}
318#endif
319
320#endif	/* _SYS_USB_WHCDI_H */
321