drivers/scsi/pcmcia/nsp_debug.c

   1 /*========================================================================
   2     Debug routines for nsp_cs
   3       By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>
   4
   5     This software may be used and distributed according to the terms of
   6     the GNU General Public License.
   7 =========================================================================*/
   8
   9 /* $Id: nsp_debug.c,v 1.3 2003/07/26 14:21:09 elca Exp $ */
  10
  11 /*
  12  * Show the command data of a command
  13  */
  14 static const char unknown[] = "UNKNOWN";
  15
  16 static const char * group_0_commands[] = {
  17 /* 00-03 */ "Test Unit Ready", "Rezero Unit", unknown, "Request Sense",
  18 /* 04-07 */ "Format Unit", "Read Block Limits", unknown, "Reassign Blocks",
  19 /* 08-0d */ "Read (6)", unknown, "Write (6)", "Seek (6)", unknown, unknown,
  20 /* 0e-12 */ unknown, "Read Reverse", "Write Filemarks", "Space", "Inquiry",
  21 /* 13-16 */ unknown, "Recover Buffered Data", "Mode Select", "Reserve",
  22 /* 17-1b */ "Release", "Copy", "Erase", "Mode Sense", "Start/Stop Unit",
  23 /* 1c-1d */ "Receive Diagnostic", "Send Diagnostic",
  24 /* 1e-1f */ "Prevent/Allow Medium Removal", unknown,
  25 };
  26
  27
  28 static const char *group_1_commands[] = {
  29 /* 20-22 */  unknown, unknown, unknown,
  30 /* 23-28 */ unknown, unknown, "Read Capacity", unknown, unknown, "Read (10)",
  31 /* 29-2d */ unknown, "Write (10)", "Seek (10)", unknown, unknown,
  32 /* 2e-31 */ "Write Verify","Verify", "Search High", "Search Equal",
  33 /* 32-34 */ "Search Low", "Set Limits", "Prefetch or Read Position",
  34 /* 35-37 */ "Synchronize Cache","Lock/Unlock Cache", "Read Defect Data",
  35 /* 38-3c */ "Medium Scan", "Compare","Copy Verify", "Write Buffer", "Read Buffer",
  36 /* 3d-3f */ "Update Block", "Read Long",  "Write Long",
  37 };
  38
  39
  40 static const char *group_2_commands[] = {
  41 /* 40-41 */ "Change Definition", "Write Same",
  42 /* 42-48 */ "Read Sub-Ch(cd)", "Read TOC", "Read Header(cd)", "Play Audio(cd)", unknown, "Play Audio MSF(cd)", "Play Audio Track/Index(cd)",
  43 /* 49-4f */ "Play Track Relative(10)(cd)", unknown, "Pause/Resume(cd)", "Log Select", "Log Sense", unknown, unknown,
  44 /* 50-55 */ unknown, unknown, unknown, unknown, unknown, "Mode Select (10)",
  45 /* 56-5b */ unknown, unknown, unknown, unknown, "Mode Sense (10)", unknown,
  46 /* 5c-5f */ unknown, unknown, unknown,
  47 };
  48
  49 #define group(opcode) (((opcode) >> 5) & 7)
  50
  51 #define RESERVED_GROUP  0
  52 #define VENDOR_GROUP    1
  53 #define NOTEXT_GROUP    2
  54
  55 static const char **commands[] = {
  56     group_0_commands, group_1_commands, group_2_commands,
  57     (const char **) RESERVED_GROUP, (const char **) RESERVED_GROUP,
  58     (const char **) NOTEXT_GROUP, (const char **) VENDOR_GROUP,
  59     (const char **) VENDOR_GROUP
  60 };
  61
  62 static const char reserved[] = "RESERVED";
  63 static const char vendor[] = "VENDOR SPECIFIC";
  64
  65 static void print_opcodek(unsigned char opcode)
  66 {
  67         const char **table = commands[ group(opcode) ];
  68
  69         switch ((unsigned long) table) {
  70         case RESERVED_GROUP:
  71                 printk("%s[%02x] ", reserved, opcode);
  72                 break;
  73         case NOTEXT_GROUP:
  74                 printk("%s(notext)[%02x] ", unknown, opcode);
  75                 break;
  76         case VENDOR_GROUP:
  77                 printk("%s[%02x] ", vendor, opcode);
  78                 break;
  79         default:
  80                 if (table[opcode & 0x1f] != unknown)
  81                         printk("%s[%02x] ", table[opcode & 0x1f], opcode);
  82                 else
  83                         printk("%s[%02x] ", unknown, opcode);
  84                 break;
  85         }
  86 }
  87
  88 static void print_commandk (unsigned char *command)
  89 {
  90         int i, s;
  91         printk(KERN_DEBUG);
  92         print_opcodek(command[0]);
  93         /*printk(KERN_DEBUG "%s ", __func__);*/
  94         if ((command[0] >> 5) == 6 ||
  95             (command[0] >> 5) == 7 ) {
  96                 s = 12; /* vender specific */
  97         } else {
  98                 s = COMMAND_SIZE(command[0]);
  99         }
 100         for ( i = 1; i < s; ++i) {
 101                 printk("%02x ", command[i]);
 102         }
 103
 104         switch (s) {
 105         case 6:
 106                 printk("LBA=%d len=%d",
 107                        (((unsigned int)command[1] & 0x0f) << 16) |
 108                        ( (unsigned int)command[2]         <<  8) |
 109                        ( (unsigned int)command[3]              ),
 110                        (unsigned int)command[4]
 111                         );
 112                 break;
 113         case 10:
 114                 printk("LBA=%d len=%d",
 115                        ((unsigned int)command[2] << 24) |
 116                        ((unsigned int)command[3] << 16) |
 117                        ((unsigned int)command[4] <<  8) |
 118                        ((unsigned int)command[5]      ),
 119                        ((unsigned int)command[7] <<  8) |
 120                        ((unsigned int)command[8]      )
 121                        );
 122                 break;
 123         case 12:
 124                 printk("LBA=%d len=%d",
 125                        ((unsigned int)command[2] << 24) |
 126                        ((unsigned int)command[3] << 16) |
 127                        ((unsigned int)command[4] <<  8) |
 128                        ((unsigned int)command[5]      ),
 129                        ((unsigned int)command[6] << 24) |
 130                        ((unsigned int)command[7] << 16) |
 131                        ((unsigned int)command[8] <<  8) |
 132                        ((unsigned int)command[9]      )
 133                        );
 134                 break;
 135         default:
 136                 break;
 137         }
 138         printk("\n");
 139 }
 140
 141 static void show_command(struct scsi_cmnd *SCpnt)
 142 {
 143         print_commandk(SCpnt->cmnd);
 144 }
 145
 146 static void show_phase(struct scsi_cmnd *SCpnt)
 147 {
 148         int i = SCpnt->SCp.phase;
 149
 150         char *ph[] = {
 151                 "PH_UNDETERMINED",
 152                 "PH_ARBSTART",
 153                 "PH_SELSTART",
 154                 "PH_SELECTED",
 155                 "PH_COMMAND",
 156                 "PH_DATA",
 157                 "PH_STATUS",
 158                 "PH_MSG_IN",
 159                 "PH_MSG_OUT",
 160                 "PH_DISCONNECT",
 161                 "PH_RESELECT"
 162         };
 163
 164         if ( i < PH_UNDETERMINED || i > PH_RESELECT ) {
 165                 printk(KERN_DEBUG "scsi phase: unknown(%d)\n", i);
 166                 return;
 167         }
 168
 169         printk(KERN_DEBUG "scsi phase: %s\n", ph[i]);
 170
 171         return;
 172 }
 173
 174 static void show_busphase(unsigned char stat)
 175 {
 176         switch(stat) {
 177         case BUSPHASE_COMMAND:
 178                 printk(KERN_DEBUG "BUSPHASE_COMMAND\n");
 179                 break;
 180         case BUSPHASE_MESSAGE_IN:
 181                 printk(KERN_DEBUG "BUSPHASE_MESSAGE_IN\n");
 182                 break;
 183         case BUSPHASE_MESSAGE_OUT:
 184                 printk(KERN_DEBUG "BUSPHASE_MESSAGE_OUT\n");
 185                 break;
 186         case BUSPHASE_DATA_IN:
 187                 printk(KERN_DEBUG "BUSPHASE_DATA_IN\n");
 188                 break;
 189         case BUSPHASE_DATA_OUT:
 190                 printk(KERN_DEBUG "BUSPHASE_DATA_OUT\n");
 191                 break;
 192         case BUSPHASE_STATUS:
 193                 printk(KERN_DEBUG "BUSPHASE_STATUS\n");
 194                 break;
 195         case BUSPHASE_SELECT:
 196                 printk(KERN_DEBUG "BUSPHASE_SELECT\n");
 197                 break;
 198         default:
 199                 printk(KERN_DEBUG "BUSPHASE_other\n");
 200                 break;
 201         }
 202 }
 203
 204 static void show_message(nsp_hw_data *data)
 205 {
 206         int i;
 207
 208         printk(KERN_DEBUG "msg:");
 209         for(i=0; i < data->MsgLen; i++) {
 210                 printk(" %02x", data->MsgBuffer[i]);
 211         }
 212         printk("\n");
 213 }
 214
 215 /* end */