scsi/pcmcia/nsp_debug.c

0001 /*========================================================================
0002     Debug routines for nsp_cs
0003       By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>
0004
0005     This software may be used and distributed according to the terms of
0006     the GNU General Public License.
0007 =========================================================================*/
0008
0009 /* $Id: nsp_debug.c,v 1.3 2003/07/26 14:21:09 elca Exp $ */
0010
0011 /*
0012  * Show the command data of a command
0013  */
0014 static const char unknown[] = "UNKNOWN";
0015
0016 static const char * group_0_commands[] = {
0017 /* 00-03 */ "Test Unit Ready", "Rezero Unit", unknown, "Request Sense",
0018 /* 04-07 */ "Format Unit", "Read Block Limits", unknown, "Reassign Blocks",
0019 /* 08-0d */ "Read (6)", unknown, "Write (6)", "Seek (6)", unknown, unknown,
0020 /* 0e-12 */ unknown, "Read Reverse", "Write Filemarks", "Space", "Inquiry",
0021 /* 13-16 */ unknown, "Recover Buffered Data", "Mode Select", "Reserve",
0022 /* 17-1b */ "Release", "Copy", "Erase", "Mode Sense", "Start/Stop Unit",
0023 /* 1c-1d */ "Receive Diagnostic", "Send Diagnostic",
0024 /* 1e-1f */ "Prevent/Allow Medium Removal", unknown,
0025 };
0026
0027
0028 static const char *group_1_commands[] = {
0029 /* 20-22 */  unknown, unknown, unknown,
0030 /* 23-28 */ unknown, unknown, "Read Capacity", unknown, unknown, "Read (10)",
0031 /* 29-2d */ unknown, "Write (10)", "Seek (10)", unknown, unknown,
0032 /* 2e-31 */ "Write Verify","Verify", "Search High", "Search Equal",
0033 /* 32-34 */ "Search Low", "Set Limits", "Prefetch or Read Position",
0034 /* 35-37 */ "Synchronize Cache","Lock/Unlock Cache", "Read Defect Data",
0035 /* 38-3c */ "Medium Scan", "Compare","Copy Verify", "Write Buffer", "Read Buffer",
0036 /* 3d-3f */ "Update Block", "Read Long",  "Write Long",
0037 };
0038
0039
0040 static const char *group_2_commands[] = {
0041 /* 40-41 */ "Change Definition", "Write Same",
0042 /* 42-48 */ "Read Sub-Ch(cd)", "Read TOC", "Read Header(cd)", "Play Audio(cd)", unknown, "Play Audio MSF(cd)", "Play Audio Track/Index(cd)",
0043 /* 49-4f */ "Play Track Relative(10)(cd)", unknown, "Pause/Resume(cd)", "Log Select", "Log Sense", unknown, unknown,
0044 /* 50-55 */ unknown, unknown, unknown, unknown, unknown, "Mode Select (10)",
0045 /* 56-5b */ unknown, unknown, unknown, unknown, "Mode Sense (10)", unknown,
0046 /* 5c-5f */ unknown, unknown, unknown,
0047 };
0048
0049 #define group(opcode) (((opcode) >> 5) & 7)
0050
0051 #define RESERVED_GROUP  0
0052 #define VENDOR_GROUP    1
0053 #define NOTEXT_GROUP    2
0054
0055 static const char **commands[] = {
0056     group_0_commands, group_1_commands, group_2_commands,
0057     (const char **) RESERVED_GROUP, (const char **) RESERVED_GROUP,
0058     (const char **) NOTEXT_GROUP, (const char **) VENDOR_GROUP,
0059     (const char **) VENDOR_GROUP
0060 };
0061
0062 static const char reserved[] = "RESERVED";
0063 static const char vendor[] = "VENDOR SPECIFIC";
0064
0065 static void print_opcodek(unsigned char opcode)
0066 {
0067     const char **table = commands[ group(opcode) ];
0068
0069     switch ((unsigned long) table) {
0070     case RESERVED_GROUP:
0071         printk("%s[%02x] ", reserved, opcode);
0072         break;
0073     case NOTEXT_GROUP:
0074         printk("%s(notext)[%02x] ", unknown, opcode);
0075         break;
0076     case VENDOR_GROUP:
0077         printk("%s[%02x] ", vendor, opcode);
0078         break;
0079     default:
0080         if (table[opcode & 0x1f] != unknown)
0081             printk("%s[%02x] ", table[opcode & 0x1f], opcode);
0082         else
0083             printk("%s[%02x] ", unknown, opcode);
0084         break;
0085     }
0086 }
0087
0088 static void print_commandk (unsigned char *command)
0089 {
0090     int i, s;
0091     printk(KERN_DEBUG);
0092     print_opcodek(command[0]);
0093     /*printk(KERN_DEBUG "%s ", __func__);*/
0094     if ((command[0] >> 5) == 6 ||
0095         (command[0] >> 5) == 7 ) {
0096         s = 12; /* vender specific */
0097     } else {
0098         s = COMMAND_SIZE(command[0]);
0099     }
0100     for ( i = 1; i < s; ++i) {
0101         printk("%02x ", command[i]);
0102     }
0103
0104     switch (s) {
0105     case 6:
0106         printk("LBA=%d len=%d",
0107                (((unsigned int)command[1] & 0x0f) << 16) |
0108                ( (unsigned int)command[2]         <<  8) |
0109                ( (unsigned int)command[3]              ),
0110                (unsigned int)command[4]
0111             );
0112         break;
0113     case 10:
0114         printk("LBA=%d len=%d",
0115                ((unsigned int)command[2] << 24) |
0116                ((unsigned int)command[3] << 16) |
0117                ((unsigned int)command[4] <<  8) |
0118                ((unsigned int)command[5]      ),
0119                ((unsigned int)command[7] <<  8) |
0120                ((unsigned int)command[8]      )
0121                );
0122         break;
0123     case 12:
0124         printk("LBA=%d len=%d",
0125                ((unsigned int)command[2] << 24) |
0126                ((unsigned int)command[3] << 16) |
0127                ((unsigned int)command[4] <<  8) |
0128                ((unsigned int)command[5]      ),
0129                ((unsigned int)command[6] << 24) |
0130                ((unsigned int)command[7] << 16) |
0131                ((unsigned int)command[8] <<  8) |
0132                ((unsigned int)command[9]      )
0133                );
0134         break;
0135     default:
0136         break;
0137     }
0138     printk("\n");
0139 }
0140
0141 static void show_command(struct scsi_cmnd *SCpnt)
0142 {
0143     print_commandk(SCpnt->cmnd);
0144 }
0145
0146 static void show_phase(struct scsi_cmnd *SCpnt)
0147 {
0148     int i = nsp_scsi_pointer(SCpnt)->phase;
0149
0150     char *ph[] = {
0151         "PH_UNDETERMINED",
0152         "PH_ARBSTART",
0153         "PH_SELSTART",
0154         "PH_SELECTED",
0155         "PH_COMMAND",
0156         "PH_DATA",
0157         "PH_STATUS",
0158         "PH_MSG_IN",
0159         "PH_MSG_OUT",
0160         "PH_DISCONNECT",
0161         "PH_RESELECT"
0162     };
0163
0164     if ( i < PH_UNDETERMINED || i > PH_RESELECT ) {
0165         printk(KERN_DEBUG "scsi phase: unknown(%d)\n", i);
0166         return;
0167     }
0168
0169     printk(KERN_DEBUG "scsi phase: %s\n", ph[i]);
0170
0171     return;
0172 }
0173
0174 static void show_busphase(unsigned char stat)
0175 {
0176     switch(stat) {
0177     case BUSPHASE_COMMAND:
0178         printk(KERN_DEBUG "BUSPHASE_COMMAND\n");
0179         break;
0180     case BUSPHASE_MESSAGE_IN:
0181         printk(KERN_DEBUG "BUSPHASE_MESSAGE_IN\n");
0182         break;
0183     case BUSPHASE_MESSAGE_OUT:
0184         printk(KERN_DEBUG "BUSPHASE_MESSAGE_OUT\n");
0185         break;
0186     case BUSPHASE_DATA_IN:
0187         printk(KERN_DEBUG "BUSPHASE_DATA_IN\n");
0188         break;
0189     case BUSPHASE_DATA_OUT:
0190         printk(KERN_DEBUG "BUSPHASE_DATA_OUT\n");
0191         break;
0192     case BUSPHASE_STATUS:
0193         printk(KERN_DEBUG "BUSPHASE_STATUS\n");
0194         break;
0195     case BUSPHASE_SELECT:
0196         printk(KERN_DEBUG "BUSPHASE_SELECT\n");
0197         break;
0198     default:
0199         printk(KERN_DEBUG "BUSPHASE_other\n");
0200         break;
0201     }
0202 }
0203
0204 static void show_message(nsp_hw_data *data)
0205 {
0206     int i;
0207
0208     printk(KERN_DEBUG "msg:");
0209     for(i=0; i < data->MsgLen; i++) {
0210         printk(" %02x", data->MsgBuffer[i]);
0211     }
0212     printk("\n");
0213 }
0214
0215 /* end */