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 */
14static const char unknown[] = "UNKNOWN";
15
16static 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
28static 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
40static 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
55static 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
62static const char reserved[] = "RESERVED";
63static const char vendor[] = "VENDOR SPECIFIC";
64
65static 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
88static 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
141static void show_command(struct scsi_cmnd *SCpnt)
142{
143	print_commandk(SCpnt->cmnd);
144}
145
146static 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
174static 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
204static 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