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 2008 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 *
25 * FCIP mdb module
26 */
27
28
29#include <sys/mdb_modapi.h>
30#include <sys/mutex.h>
31#include <sys/modctl.h>
32#include <sys/ethernet.h>
33#include <sys/fibre-channel/fc.h>
34#include <sys/fibre-channel/impl/fc_ulpif.h>
35#include <sys/fibre-channel/impl/fctl_private.h>
36#include <sys/fibre-channel/ulp/fcip.h>
37
38/*
39 * Leadville fcip walker/dcmd code
40 */
41
42static int
43fcip_walk_i(mdb_walk_state_t *wsp)
44{
45	if (wsp->walk_addr == NULL &&
46	    mdb_readvar(&wsp->walk_addr, "fcip_port_head") == -1) {
47		mdb_warn("failed to read 'fcip_port_head'");
48		return (WALK_ERR);
49	}
50
51	wsp->walk_data = mdb_alloc(sizeof (fcip_port_info_t), UM_SLEEP);
52	return (WALK_NEXT);
53}
54
55static int
56fcip_walk_s(mdb_walk_state_t *wsp)
57{
58	int status;
59
60	if (wsp->walk_addr == NULL)
61		return (WALK_DONE);
62
63	if (mdb_vread(wsp->walk_data, sizeof (fcip_port_info_t),
64	    wsp->walk_addr) == -1) {
65		mdb_warn("failed to read fcip_port_info at %p", wsp->walk_addr);
66		return (WALK_DONE);
67	}
68
69	status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
70	    wsp->walk_cbdata);
71
72	wsp->walk_addr =
73	    (uintptr_t)(((fcip_port_info_t *)wsp->walk_data)->fcipp_next);
74
75	return (status);
76}
77
78/*
79 * The walker's fini function is invoked at the end of each walk.  Since we
80 * dynamically allocated a fc_fca_port_t in port_walk_i, we must free it now.
81 */
82static void
83fcip_walk_f(mdb_walk_state_t *wsp)
84{
85	mdb_free(wsp->walk_data, sizeof (fc_fca_port_t));
86}
87
88
89static int
90fcip(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
91{
92	fcip_port_info_t	pinfo;
93
94	if (argc != 0) {
95		return (DCMD_USAGE);
96	}
97
98	if (!(flags & DCMD_ADDRSPEC)) {
99		if (mdb_walk_dcmd("fcip", "fcip",
100		    argc, argv) == -1) {
101			mdb_warn("failed to walk 'fcip_port_head'");
102			return (DCMD_ERR);
103		}
104		return (DCMD_OK);
105	}
106
107	if (DCMD_HDRSPEC(flags))
108		mdb_printf("%12s %12s %12s %16s %16s\n",
109		    "FCIP Struct", "Handle", "DIP", "Port WWN", "Node WWN");
110
111	/*
112	 * For each port, we just need to read the fc_fca_port_t struct, read
113	 * the port_handle
114	 */
115	if (mdb_vread(&pinfo, sizeof (fcip_port_info_t), addr) ==
116	    sizeof (fcip_port_info_t)) {
117		mdb_printf("%12p %12p %12p %02x%02x%02x%02x%02x%02x%02x%02x "
118		    "%02x%02x%02x%02x%02x%02x%02x%02x\n",
119		    pinfo.fcipp_fcip, pinfo.fcipp_handle, pinfo.fcipp_dip,
120		    pinfo.fcipp_pwwn.raw_wwn[0], pinfo.fcipp_pwwn.raw_wwn[1],
121		    pinfo.fcipp_pwwn.raw_wwn[2], pinfo.fcipp_pwwn.raw_wwn[3],
122		    pinfo.fcipp_pwwn.raw_wwn[4], pinfo.fcipp_pwwn.raw_wwn[5],
123		    pinfo.fcipp_pwwn.raw_wwn[6], pinfo.fcipp_pwwn.raw_wwn[7],
124		    pinfo.fcipp_nwwn.raw_wwn[0], pinfo.fcipp_nwwn.raw_wwn[1],
125		    pinfo.fcipp_nwwn.raw_wwn[2], pinfo.fcipp_nwwn.raw_wwn[3],
126		    pinfo.fcipp_nwwn.raw_wwn[4], pinfo.fcipp_nwwn.raw_wwn[5],
127		    pinfo.fcipp_nwwn.raw_wwn[6], pinfo.fcipp_nwwn.raw_wwn[7]);
128
129	} else
130		mdb_warn("failed to read port info at %p", addr);
131
132	return (DCMD_OK);
133}
134
135
136/*
137 * MDB module linkage information:
138 *
139 * We declare a list of structures describing our dcmds, a list of structures
140 * describing our walkers, and a function named _mdb_init to return a pointer
141 * to our module information.
142 */
143
144static const mdb_dcmd_t dcmds[] = {
145	{ "fcip", NULL, "Leadville fcip instances", fcip },
146	{ NULL }
147};
148
149static const mdb_walker_t walkers[] = {
150	{ "fcip", "walk list of Leadville fcip instances",
151		fcip_walk_i, fcip_walk_s, fcip_walk_f },
152	{ NULL }
153};
154
155static const mdb_modinfo_t modinfo = {
156	MDB_API_VERSION, dcmds, walkers
157};
158
159const mdb_modinfo_t *
160_mdb_init(void)
161{
162	return (&modinfo);
163}
164