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 
print_opcodek(unsigned char opcode)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 
print_commandk(unsigned char * command)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 
show_command(struct scsi_cmnd * SCpnt)141 static void show_command(struct scsi_cmnd *SCpnt)
142 {
143 	print_commandk(SCpnt->cmnd);
144 }
145 
show_phase(struct scsi_cmnd * SCpnt)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 
show_busphase(unsigned char stat)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 
show_message(nsp_hw_data * data)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