1 /*
2 * Logging Support for MPT (Message Passing Technology) based controllers
3 *
4 * This code is based on drivers/scsi/mpt2sas/mpt2_debug.c
5 * Copyright (C) 2007-2010 LSI Corporation
6 * (mailto:DL-MPTFusionLinux@lsi.com)
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * NO WARRANTY
19 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
20 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
21 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
22 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
23 * solely responsible for determining the appropriateness of using and
24 * distributing the Program and assumes all risks associated with its
25 * exercise of rights under this Agreement, including but not limited to
26 * the risks and costs of program errors, damage to or loss of data,
27 * programs or equipment, and unavailability or interruption of operations.
28
29 * DISCLAIMER OF LIABILITY
30 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
31 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
33 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
34 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
35 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
36 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
37
38 * You should have received a copy of the GNU General Public License
39 * along with this program; if not, write to the Free Software
40 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
41 * USA.
42 */
43
44 #ifndef MPT2SAS_DEBUG_H_INCLUDED
45 #define MPT2SAS_DEBUG_H_INCLUDED
46
47 #define MPT_DEBUG 0x00000001
48 #define MPT_DEBUG_MSG_FRAME 0x00000002
49 #define MPT_DEBUG_SG 0x00000004
50 #define MPT_DEBUG_EVENTS 0x00000008
51 #define MPT_DEBUG_EVENT_WORK_TASK 0x00000010
52 #define MPT_DEBUG_INIT 0x00000020
53 #define MPT_DEBUG_EXIT 0x00000040
54 #define MPT_DEBUG_FAIL 0x00000080
55 #define MPT_DEBUG_TM 0x00000100
56 #define MPT_DEBUG_REPLY 0x00000200
57 #define MPT_DEBUG_HANDSHAKE 0x00000400
58 #define MPT_DEBUG_CONFIG 0x00000800
59 #define MPT_DEBUG_DL 0x00001000
60 #define MPT_DEBUG_RESET 0x00002000
61 #define MPT_DEBUG_SCSI 0x00004000
62 #define MPT_DEBUG_IOCTL 0x00008000
63 #define MPT_DEBUG_CSMISAS 0x00010000
64 #define MPT_DEBUG_SAS 0x00020000
65 #define MPT_DEBUG_TRANSPORT 0x00040000
66 #define MPT_DEBUG_TASK_SET_FULL 0x00080000
67
68 #define MPT_DEBUG_TARGET_MODE 0x00100000
69
70
71 /*
72 * CONFIG_SCSI_MPT2SAS_LOGGING - enabled in Kconfig
73 */
74
75 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
76 #define MPT_CHECK_LOGGING(IOC, CMD, BITS) \
77 { \
78 if (IOC->logging_level & BITS) \
79 CMD; \
80 }
81 #else
82 #define MPT_CHECK_LOGGING(IOC, CMD, BITS)
83 #endif /* CONFIG_SCSI_MPT2SAS_LOGGING */
84
85
86 /*
87 * debug macros
88 */
89
90 #define dprintk(IOC, CMD) \
91 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG)
92
93 #define dsgprintk(IOC, CMD) \
94 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SG)
95
96 #define devtprintk(IOC, CMD) \
97 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EVENTS)
98
99 #define dewtprintk(IOC, CMD) \
100 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EVENT_WORK_TASK)
101
102 #define dinitprintk(IOC, CMD) \
103 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_INIT)
104
105 #define dexitprintk(IOC, CMD) \
106 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EXIT)
107
108 #define dfailprintk(IOC, CMD) \
109 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_FAIL)
110
111 #define dtmprintk(IOC, CMD) \
112 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TM)
113
114 #define dreplyprintk(IOC, CMD) \
115 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_REPLY)
116
117 #define dhsprintk(IOC, CMD) \
118 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_HANDSHAKE)
119
120 #define dcprintk(IOC, CMD) \
121 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_CONFIG)
122
123 #define ddlprintk(IOC, CMD) \
124 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_DL)
125
126 #define drsprintk(IOC, CMD) \
127 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_RESET)
128
129 #define dsprintk(IOC, CMD) \
130 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SCSI)
131
132 #define dctlprintk(IOC, CMD) \
133 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_IOCTL)
134
135 #define dcsmisasprintk(IOC, CMD) \
136 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_CSMISAS)
137
138 #define dsasprintk(IOC, CMD) \
139 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SAS)
140
141 #define dsastransport(IOC, CMD) \
142 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SAS_WIDE)
143
144 #define dmfprintk(IOC, CMD) \
145 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_MSG_FRAME)
146
147 #define dtsfprintk(IOC, CMD) \
148 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TASK_SET_FULL)
149
150 #define dtransportprintk(IOC, CMD) \
151 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TRANSPORT)
152
153 #define dTMprintk(IOC, CMD) \
154 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TARGET_MODE)
155
156 /* inline functions for dumping debug data*/
157 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
158 /**
159 * _debug_dump_mf - print message frame contents
160 * @mpi_request: pointer to message frame
161 * @sz: number of dwords
162 */
163 static inline void
_debug_dump_mf(void * mpi_request,int sz)164 _debug_dump_mf(void *mpi_request, int sz)
165 {
166 int i;
167 __le32 *mfp = (__le32 *)mpi_request;
168
169 printk(KERN_INFO "mf:\n\t");
170 for (i = 0; i < sz; i++) {
171 if (i && ((i % 8) == 0))
172 printk("\n\t");
173 printk("%08x ", le32_to_cpu(mfp[i]));
174 }
175 printk("\n");
176 }
177 #else
178 #define _debug_dump_mf(mpi_request, sz)
179 #endif /* CONFIG_SCSI_MPT2SAS_LOGGING */
180
181 #endif /* MPT2SAS_DEBUG_H_INCLUDED */
182