1/* 2 * Logging Support for MPT (Message Passing Technology) based controllers 3 * 4 * This code is based on drivers/scsi/mpt3sas/mpt3sas_debug.c 5 * Copyright (C) 2012-2014 LSI Corporation 6 * Copyright (C) 2013-2014 Avago Technologies 7 * (mailto: MPT-FusionLinux.pdl@avagotech.com) 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License 11 * as published by the Free Software Foundation; either version 2 12 * of the License, or (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * NO WARRANTY 20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR 21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT 22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, 23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is 24 * solely responsible for determining the appropriateness of using and 25 * distributing the Program and assumes all risks associated with its 26 * exercise of rights under this Agreement, including but not limited to 27 * the risks and costs of program errors, damage to or loss of data, 28 * programs or equipment, and unavailability or interruption of operations. 29 30 * DISCLAIMER OF LIABILITY 31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY 32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND 34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED 37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES 38 39 * You should have received a copy of the GNU General Public License 40 * along with this program; if not, write to the Free Software 41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 42 * USA. 43 */ 44 45#ifndef MPT3SAS_DEBUG_H_INCLUDED 46#define MPT3SAS_DEBUG_H_INCLUDED 47 48#define MPT_DEBUG 0x00000001 49#define MPT_DEBUG_MSG_FRAME 0x00000002 50#define MPT_DEBUG_SG 0x00000004 51#define MPT_DEBUG_EVENTS 0x00000008 52#define MPT_DEBUG_EVENT_WORK_TASK 0x00000010 53#define MPT_DEBUG_INIT 0x00000020 54#define MPT_DEBUG_EXIT 0x00000040 55#define MPT_DEBUG_FAIL 0x00000080 56#define MPT_DEBUG_TM 0x00000100 57#define MPT_DEBUG_REPLY 0x00000200 58#define MPT_DEBUG_HANDSHAKE 0x00000400 59#define MPT_DEBUG_CONFIG 0x00000800 60#define MPT_DEBUG_DL 0x00001000 61#define MPT_DEBUG_RESET 0x00002000 62#define MPT_DEBUG_SCSI 0x00004000 63#define MPT_DEBUG_IOCTL 0x00008000 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_TRIGGER_DIAG 0x00200000 69 70 71/* 72 * CONFIG_SCSI_MPT3SAS_LOGGING - enabled in Kconfig 73 */ 74 75#ifdef CONFIG_SCSI_MPT3SAS_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_MPT3SAS_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 dsasprintk(IOC, CMD) \ 136 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SAS) 137 138#define dsastransport(IOC, CMD) \ 139 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SAS_WIDE) 140 141#define dmfprintk(IOC, CMD) \ 142 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_MSG_FRAME) 143 144#define dtsfprintk(IOC, CMD) \ 145 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TASK_SET_FULL) 146 147#define dtransportprintk(IOC, CMD) \ 148 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TRANSPORT) 149 150#define dTriggerDiagPrintk(IOC, CMD) \ 151 MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TRIGGER_DIAG) 152 153 154 155/* inline functions for dumping debug data*/ 156#ifdef CONFIG_SCSI_MPT3SAS_LOGGING 157/** 158 * _debug_dump_mf - print message frame contents 159 * @mpi_request: pointer to message frame 160 * @sz: number of dwords 161 */ 162static inline void 163_debug_dump_mf(void *mpi_request, int sz) 164{ 165 int i; 166 __le32 *mfp = (__le32 *)mpi_request; 167 168 pr_info("mf:\n\t"); 169 for (i = 0; i < sz; i++) { 170 if (i && ((i % 8) == 0)) 171 pr_info("\n\t"); 172 pr_info("%08x ", le32_to_cpu(mfp[i])); 173 } 174 pr_info("\n"); 175} 176/** 177 * _debug_dump_reply - print message frame contents 178 * @mpi_request: pointer to message frame 179 * @sz: number of dwords 180 */ 181static inline void 182_debug_dump_reply(void *mpi_request, int sz) 183{ 184 int i; 185 __le32 *mfp = (__le32 *)mpi_request; 186 187 pr_info("reply:\n\t"); 188 for (i = 0; i < sz; i++) { 189 if (i && ((i % 8) == 0)) 190 pr_info("\n\t"); 191 pr_info("%08x ", le32_to_cpu(mfp[i])); 192 } 193 pr_info("\n"); 194} 195/** 196 * _debug_dump_config - print config page contents 197 * @mpi_request: pointer to message frame 198 * @sz: number of dwords 199 */ 200static inline void 201_debug_dump_config(void *mpi_request, int sz) 202{ 203 int i; 204 __le32 *mfp = (__le32 *)mpi_request; 205 206 pr_info("config:\n\t"); 207 for (i = 0; i < sz; i++) { 208 if (i && ((i % 8) == 0)) 209 pr_info("\n\t"); 210 pr_info("%08x ", le32_to_cpu(mfp[i])); 211 } 212 pr_info("\n"); 213} 214#else 215#define _debug_dump_mf(mpi_request, sz) 216#define _debug_dump_reply(mpi_request, sz) 217#define _debug_dump_config(mpi_request, sz) 218#endif /* CONFIG_SCSI_MPT3SAS_LOGGING */ 219 220#endif /* MPT3SAS_DEBUG_H_INCLUDED */ 221