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(opcode: 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(command: SCpnt->cmnd); |
144 | } |
145 | |
146 | static void show_phase(struct scsi_cmnd *SCpnt) |
147 | { |
148 | int i = nsp_scsi_pointer(SCpnt)->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 */ |
216 | |