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_IB_IBTL_IMPL_IBTL_IBNEX_H
28 #define	_SYS_IB_IBTL_IMPL_IBTL_IBNEX_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 /*
33  * ibtl_ibnex.h
34  *
35  * All data structures and function prototypes that are specific to the
36  * IBTL<--->IB nexus private interface.
37  */
38 
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
43 /*
44  * Cfgadm restricts ap_id length to 30 bytes (See CFGA_LOG_EXT_LEN)
45  */
46 #define	IBTL_IBNEX_APID_LEN	31
47 #define	IBTL_IBNEX_STR_LEN	64
48 
49 /*
50  * "ioc" and "ibport" child device names
51  */
52 #define	IBNEX_IOC_CNAME		"ioc"
53 #define	IBNEX_IBPORT_CNAME	"ibport"
54 
55 /*
56  * These two defines are used by the function ibtl_ibnex_get_hca_info().
57  * If IBTL_IBNEX_LIST_CLNTS_FLAG is specified then an NVL packed list
58  * of only client names/ap_ids/alternate_HCA is returned.
59  * If IBTL_IBNEX_UNCFG_CLNTS_FLAG is specified then an NVL packed list
60  * of only client ap_ids/devpaths is returned.
61  */
62 #define	IBTL_IBNEX_LIST_CLNTS_FLAG	0x1	/* -x list_clients option */
63 #define	IBTL_IBNEX_UNCFG_CLNTS_FLAG	0x2	/* -x unconfig_clients option */
64 
65 typedef struct ibtl_ibnex_cb_args_s {
66 	uint_t			cb_flag;
67 	dev_info_t		*cb_dip;
68 	struct modlinkage	*cb_modlp;
69 	ib_guid_t		cb_hca_guid;
70 } ibtl_ibnex_cb_args_t;
71 
72 /* Possible values for cb_flag */
73 #define	IBTL_IBNEX_IBC_INIT		0x11
74 #define	IBTL_IBNEX_IBC_FINI		0x22
75 #define	IBTL_IBNEX_REPROBE_DEV_REQ	0x33
76 
77 /*
78  * Function:
79  *	ibtl_ibnex_callback_t
80  * Inputs:
81  *	cb_args		- Arguments for the callback
82  * Returns:
83  *	IBT_SUCCESS/IBT_FAILURE
84  * Description:
85  *	Currently this routine provides function to check wheter
86  *	particular client has access to open HCA or not.
87  */
88 typedef ibt_status_t (*ibtl_ibnex_callback_t)(ibtl_ibnex_cb_args_t *);
89 
90 /*
91  * Function:
92  *	ibtl_ibnex_register_callback
93  * Inputs:
94  *	ibnex_ibtl_callback	- IBTL's IB nexus driver callback function
95  * Returns:
96  *	NONE
97  * Description:
98  *	Register a callback routine for IB nexus driver.
99  */
100 void	ibtl_ibnex_register_callback(ibtl_ibnex_callback_t);
101 
102 /*
103  * Function:
104  *	ibtl_ibnex_unregister_callback
105  * Inputs:
106  *	NONE
107  * Returns:
108  *	NONE
109  * Description:
110  *	Un-register the callback routine for IB nexus driver.
111  */
112 void	ibtl_ibnex_unregister_callback();
113 
114 /*
115  * Function:
116  *	ibtl_ibnex_get_hca_info
117  * Input:
118  *	hca_guid	- The HCA's node GUID.
119  *	flag		- Tells what to do
120  *			IBTL_IBNEX_LIST_CLNTS_FLAG - Build client names/ap_ids/
121  *			    alternate_HCA database
122  *			IBTL_IBNEX_UNCFG_CLNTS_FLAG - Build client devpaths/
123  *			    ap_id database
124  *	callback	- Callback function to get ap_id from ib(7d)
125  * Output:
126  *	buffer		- The information is returned in this buffer
127  *      bufsiz		- The size of the information buffer
128  * Returns:
129  *	IBT_SUCCESS/IBT_HCA_INVALID/IBT_FAILURE
130  * Description:
131  *      For a given HCA node GUID it figures out the registered clients
132  *	(ie. ones who called ibt_attach(9f) on this GUID) and creates
133  *	a NVL packed buffer (of either names/ap_ids/alternate_HCA or
134  *	devpaths/ap_ids) and returns it. If a valid flag is not specified
135  *	then an error is returned.
136  */
137 ibt_status_t	ibtl_ibnex_get_hca_info(ib_guid_t hca_guid, int flag,
138 		    char **buffer, size_t *bufsiz,
139 		    void (*callback)(dev_info_t *, char **));
140 
141 /*
142  * Function:
143  *	ibtl_ibnex_hcadip2guid
144  * Input:
145  *	dev_info_t	- The "dip" of this HCA
146  * Output:
147  *	hca_guid	- The HCA's node GUID.
148  * Description:
149  *	For a given HCA dip it figures out the GUID
150  *	and returns it. If not found, NULL is returned.
151  */
152 ib_guid_t	ibtl_ibnex_hcadip2guid(dev_info_t *);
153 
154 /*
155  * Function:
156  *	ibtl_ibnex_hcaguid2dip
157  * Input:
158  *	hca_guid	- The HCA's node GUID.
159  * Output:
160  *	dev_info_t	- The "dip" of this HCA
161  * Returns:
162  *	 "dip" on SUCCESS, NULL on FAILURE
163  * Description:
164  *	For a given HCA node GUID it figures out the "dip"
165  *	and returns it. If not found, NULL is returned.
166  */
167 dev_info_t	*ibtl_ibnex_hcaguid2dip(ib_guid_t);
168 
169 /*
170  * Function:
171  *	ibtl_ibnex_get_hca_verbose_data
172  * Input:
173  *	hca_guid	- The HCA's node GUID.
174  * Output:
175  *	buffer		- The information is returned in this buffer
176  *      bufsiz		- The size of the information buffer
177  * Returns:
178  *	IBT_SUCCESS/IBT_HCA_INVALID/IBT_FAILURE
179  * Description:
180  *      For a given HCA node GUID it figures out the verbose listing display.
181  */
182 ibt_status_t	ibtl_ibnex_get_hca_verbose_data(ib_guid_t, char **, size_t *);
183 
184 /*
185  * Function:
186  *	ibtl_ibnex_valid_hca_parent
187  * Input:
188  *	pdip		- The parent dip from client's child dev_info_t
189  * Output:
190  *	NONE
191  * Returns:
192  *	IBT_SUCCESS/IBT_NO_HCAS_AVAILABLE
193  * Description:
194  *	For a given pdip, of Port/VPPA devices, match it against all the
195  *	registered HCAs's dip.  If match found return IBT_SUCCESS,
196  *	else IBT_NO_HCAS_AVAILABLE.
197  *	For IOC/Pseudo devices check if the given pdip is that of
198  *	the ib(7d) nexus. If yes return IBT_SUCCESS,
199  *	else IBT_NO_HCAS_AVAILABLE.
200  */
201 ibt_status_t	ibtl_ibnex_valid_hca_parent(dev_info_t *);
202 
203 #ifdef __cplusplus
204 }
205 #endif
206 
207 #endif /* _SYS_IB_IBTL_IMPL_IBTL_IBNEX_H */
208