1 /*
2 * Workbit NinjaSCSI-32Bi/UDE PCI/CardBus SCSI Host Bus Adapter driver
3 * Debug routine
4 *
5 * This software may be used and distributed according to the terms of
6 * the GNU General Public License.
7 */
8
9 /*
10 * Show the command data of a command
11 */
12 static const char unknown[] = "UNKNOWN";
13
14 static const char * group_0_commands[] = {
15 /* 00-03 */ "Test Unit Ready", "Rezero Unit", unknown, "Request Sense",
16 /* 04-07 */ "Format Unit", "Read Block Limits", unknown, "Reassign Blocks",
17 /* 08-0d */ "Read (6)", unknown, "Write (6)", "Seek (6)", unknown, unknown,
18 /* 0e-12 */ unknown, "Read Reverse", "Write Filemarks", "Space", "Inquiry",
19 /* 13-16 */ unknown, "Recover Buffered Data", "Mode Select", "Reserve",
20 /* 17-1b */ "Release", "Copy", "Erase", "Mode Sense", "Start/Stop Unit",
21 /* 1c-1d */ "Receive Diagnostic", "Send Diagnostic",
22 /* 1e-1f */ "Prevent/Allow Medium Removal", unknown,
23 };
24
25
26 static const char *group_1_commands[] = {
27 /* 20-22 */ unknown, unknown, unknown,
28 /* 23-28 */ unknown, unknown, "Read Capacity", unknown, unknown, "Read (10)",
29 /* 29-2d */ unknown, "Write (10)", "Seek (10)", unknown, unknown,
30 /* 2e-31 */ "Write Verify","Verify", "Search High", "Search Equal",
31 /* 32-34 */ "Search Low", "Set Limits", "Prefetch or Read Position",
32 /* 35-37 */ "Synchronize Cache","Lock/Unlock Cache", "Read Defect Data",
33 /* 38-3c */ "Medium Scan", "Compare","Copy Verify", "Write Buffer", "Read Buffer",
34 /* 3d-3f */ "Update Block", "Read Long", "Write Long",
35 };
36
37
38 static const char *group_2_commands[] = {
39 /* 40-41 */ "Change Definition", "Write Same",
40 /* 42-48 */ "Read Sub-Ch(cd)", "Read TOC", "Read Header(cd)", "Play Audio(cd)", unknown, "Play Audio MSF(cd)", "Play Audio Track/Index(cd)",
41 /* 49-4f */ "Play Track Relative(10)(cd)", unknown, "Pause/Resume(cd)", "Log Select", "Log Sense", unknown, unknown,
42 /* 50-55 */ unknown, unknown, unknown, unknown, unknown, "Mode Select (10)",
43 /* 56-5b */ unknown, unknown, unknown, unknown, "Mode Sense (10)", unknown,
44 /* 5c-5f */ unknown, unknown, unknown,
45 };
46
47 #define group(opcode) (((opcode) >> 5) & 7)
48
49 #define RESERVED_GROUP 0
50 #define VENDOR_GROUP 1
51 #define NOTEXT_GROUP 2
52
53 static const char **commands[] = {
54 group_0_commands, group_1_commands, group_2_commands,
55 (const char **) RESERVED_GROUP, (const char **) RESERVED_GROUP,
56 (const char **) NOTEXT_GROUP, (const char **) VENDOR_GROUP,
57 (const char **) VENDOR_GROUP
58 };
59
60 static const char reserved[] = "RESERVED";
61 static const char vendor[] = "VENDOR SPECIFIC";
62
print_opcodek(unsigned char opcode)63 static void print_opcodek(unsigned char opcode)
64 {
65 const char **table = commands[ group(opcode) ];
66
67 switch ((unsigned long) table) {
68 case RESERVED_GROUP:
69 printk("%s[%02x] ", reserved, opcode);
70 break;
71 case NOTEXT_GROUP:
72 printk("%s(notext)[%02x] ", unknown, opcode);
73 break;
74 case VENDOR_GROUP:
75 printk("%s[%02x] ", vendor, opcode);
76 break;
77 default:
78 if (table[opcode & 0x1f] != unknown)
79 printk("%s[%02x] ", table[opcode & 0x1f], opcode);
80 else
81 printk("%s[%02x] ", unknown, opcode);
82 break;
83 }
84 }
85
print_commandk(unsigned char * command)86 static void print_commandk (unsigned char *command)
87 {
88 int i,s;
89 // printk(KERN_DEBUG);
90 print_opcodek(command[0]);
91 /*printk(KERN_DEBUG "%s ", __func__);*/
92 if ((command[0] >> 5) == 6 ||
93 (command[0] >> 5) == 7 ) {
94 s = 12; /* vender specific */
95 } else {
96 s = COMMAND_SIZE(command[0]);
97 }
98
99 for ( i = 1; i < s; ++i) {
100 printk("%02x ", command[i]);
101 }
102
103 switch (s) {
104 case 6:
105 printk("LBA=%d len=%d",
106 (((unsigned int)command[1] & 0x0f) << 16) |
107 ( (unsigned int)command[2] << 8) |
108 ( (unsigned int)command[3] ),
109 (unsigned int)command[4]
110 );
111 break;
112 case 10:
113 printk("LBA=%d len=%d",
114 ((unsigned int)command[2] << 24) |
115 ((unsigned int)command[3] << 16) |
116 ((unsigned int)command[4] << 8) |
117 ((unsigned int)command[5] ),
118 ((unsigned int)command[7] << 8) |
119 ((unsigned int)command[8] )
120 );
121 break;
122 case 12:
123 printk("LBA=%d len=%d",
124 ((unsigned int)command[2] << 24) |
125 ((unsigned int)command[3] << 16) |
126 ((unsigned int)command[4] << 8) |
127 ((unsigned int)command[5] ),
128 ((unsigned int)command[6] << 24) |
129 ((unsigned int)command[7] << 16) |
130 ((unsigned int)command[8] << 8) |
131 ((unsigned int)command[9] )
132 );
133 break;
134 default:
135 break;
136 }
137 printk("\n");
138 }
139
show_command(struct scsi_cmnd * SCpnt)140 static void show_command(struct scsi_cmnd *SCpnt)
141 {
142 print_commandk(SCpnt->cmnd);
143 }
144
show_busphase(unsigned char stat)145 static void show_busphase(unsigned char stat)
146 {
147 switch(stat) {
148 case BUSPHASE_COMMAND:
149 printk( "BUSPHASE_COMMAND\n");
150 break;
151 case BUSPHASE_MESSAGE_IN:
152 printk( "BUSPHASE_MESSAGE_IN\n");
153 break;
154 case BUSPHASE_MESSAGE_OUT:
155 printk( "BUSPHASE_MESSAGE_OUT\n");
156 break;
157 case BUSPHASE_DATA_IN:
158 printk( "BUSPHASE_DATA_IN\n");
159 break;
160 case BUSPHASE_DATA_OUT:
161 printk( "BUSPHASE_DATA_OUT\n");
162 break;
163 case BUSPHASE_STATUS:
164 printk( "BUSPHASE_STATUS\n");
165 break;
166 case BUSPHASE_SELECT:
167 printk( "BUSPHASE_SELECT\n");
168 break;
169 default:
170 printk( "BUSPHASE_other: 0x%x\n", stat);
171 break;
172 }
173 }
174
show_autophase(unsigned short i)175 static void show_autophase(unsigned short i)
176 {
177 printk("auto: 0x%x,", i);
178
179 if(i & COMMAND_PHASE) {
180 printk(" cmd");
181 }
182 if(i & DATA_IN_PHASE) {
183 printk(" din");
184 }
185 if(i & DATA_OUT_PHASE) {
186 printk(" dout");
187 }
188 if(i & MSGOUT_PHASE) {
189 printk(" mout");
190 }
191 if(i & STATUS_PHASE) {
192 printk(" stat");
193 }
194 if(i & ILLEGAL_PHASE) {
195 printk(" ill");
196 }
197 if(i & BUS_FREE_OCCUER) {
198 printk(" bfree-o");
199 }
200 if(i & MSG_IN_OCCUER) {
201 printk(" min-o");
202 }
203 if(i & MSG_OUT_OCCUER) {
204 printk(" mout-o");
205 }
206 if(i & SELECTION_TIMEOUT) {
207 printk(" sel");
208 }
209 if(i & MSGIN_00_VALID) {
210 printk(" m0");
211 }
212 if(i & MSGIN_02_VALID) {
213 printk(" m2");
214 }
215 if(i & MSGIN_03_VALID) {
216 printk(" m3");
217 }
218 if(i & MSGIN_04_VALID) {
219 printk(" m4");
220 }
221 if(i & AUTOSCSI_BUSY) {
222 printk(" busy");
223 }
224
225 printk("\n");
226 }
227
nsp32_print_register(int base)228 static void nsp32_print_register(int base)
229 {
230 if (!(NSP32_DEBUG_MASK & NSP32_SPECIAL_PRINT_REGISTER))
231 return;
232
233 printk("Phase=0x%x, ", nsp32_read1(base, SCSI_BUS_MONITOR));
234 printk("OldPhase=0x%x, ", nsp32_index_read1(base, OLD_SCSI_PHASE));
235 printk("syncreg=0x%x, ", nsp32_read1(base, SYNC_REG));
236 printk("ackwidth=0x%x, ", nsp32_read1(base, ACK_WIDTH));
237 printk("sgtpaddr=0x%lx, ", nsp32_read4(base, SGT_ADR));
238 printk("scsioutlatch=0x%x, ", nsp32_read1(base, SCSI_OUT_LATCH_TARGET_ID));
239 printk("msgout=0x%lx, ", nsp32_read4(base, SCSI_MSG_OUT));
240 printk("miscrd=0x%x, ", nsp32_index_read2(base, MISC_WR));
241 printk("seltimeout=0x%x, ", nsp32_read2(base, SEL_TIME_OUT));
242 printk("sreqrate=0x%x, ", nsp32_read1(base, SREQ_SMPL_RATE));
243 printk("transStatus=0x%x, ", nsp32_read2(base, TRANSFER_STATUS));
244 printk("reselectid=0x%x, ", nsp32_read2(base, COMMAND_CONTROL));
245 printk("arbit=0x%x, ", nsp32_read1(base, ARBIT_STATUS));
246 printk("BmStart=0x%lx, ", nsp32_read4(base, BM_START_ADR));
247 printk("BmCount=0x%lx, ", nsp32_read4(base, BM_CNT));
248 printk("SackCnt=0x%lx, ", nsp32_read4(base, SACK_CNT));
249 printk("SReqCnt=0x%lx, ", nsp32_read4(base, SREQ_CNT));
250 printk("SavedSackCnt=0x%lx, ", nsp32_read4(base, SAVED_SACK_CNT));
251 printk("ScsiBusControl=0x%x, ", nsp32_read1(base, SCSI_BUS_CONTROL));
252 printk("FifoRestCnt=0x%x, ", nsp32_read2(base, FIFO_REST_CNT));
253 printk("CdbIn=0x%x, ", nsp32_read1(base, SCSI_CSB_IN));
254 printk("\n");
255
256 if (0) {
257 printk("execph=0x%x, ", nsp32_read2(base, SCSI_EXECUTE_PHASE));
258 printk("IrqStatus=0x%x, ", nsp32_read2(base, IRQ_STATUS));
259 printk("\n");
260 }
261 }
262
263 /* end */
264