summaryrefslogtreecommitdiff
path: root/drivers/scsi/nsp32_debug.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/nsp32_debug.c')
-rw-r--r--drivers/scsi/nsp32_debug.c263
1 files changed, 263 insertions, 0 deletions
diff --git a/drivers/scsi/nsp32_debug.c b/drivers/scsi/nsp32_debug.c
new file mode 100644
index 000000000..58806f432
--- /dev/null
+++ b/drivers/scsi/nsp32_debug.c
@@ -0,0 +1,263 @@
+/*
+ * Workbit NinjaSCSI-32Bi/UDE PCI/CardBus SCSI Host Bus Adapter driver
+ * Debug routine
+ *
+ * This software may be used and distributed according to the terms of
+ * the GNU General Public License.
+ */
+
+/*
+ * Show the command data of a command
+ */
+static const char unknown[] = "UNKNOWN";
+
+static const char * group_0_commands[] = {
+/* 00-03 */ "Test Unit Ready", "Rezero Unit", unknown, "Request Sense",
+/* 04-07 */ "Format Unit", "Read Block Limits", unknown, "Reassign Blocks",
+/* 08-0d */ "Read (6)", unknown, "Write (6)", "Seek (6)", unknown, unknown,
+/* 0e-12 */ unknown, "Read Reverse", "Write Filemarks", "Space", "Inquiry",
+/* 13-16 */ unknown, "Recover Buffered Data", "Mode Select", "Reserve",
+/* 17-1b */ "Release", "Copy", "Erase", "Mode Sense", "Start/Stop Unit",
+/* 1c-1d */ "Receive Diagnostic", "Send Diagnostic",
+/* 1e-1f */ "Prevent/Allow Medium Removal", unknown,
+};
+
+
+static const char *group_1_commands[] = {
+/* 20-22 */ unknown, unknown, unknown,
+/* 23-28 */ unknown, unknown, "Read Capacity", unknown, unknown, "Read (10)",
+/* 29-2d */ unknown, "Write (10)", "Seek (10)", unknown, unknown,
+/* 2e-31 */ "Write Verify","Verify", "Search High", "Search Equal",
+/* 32-34 */ "Search Low", "Set Limits", "Prefetch or Read Position",
+/* 35-37 */ "Synchronize Cache","Lock/Unlock Cache", "Read Defect Data",
+/* 38-3c */ "Medium Scan", "Compare","Copy Verify", "Write Buffer", "Read Buffer",
+/* 3d-3f */ "Update Block", "Read Long", "Write Long",
+};
+
+
+static const char *group_2_commands[] = {
+/* 40-41 */ "Change Definition", "Write Same",
+/* 42-48 */ "Read Sub-Ch(cd)", "Read TOC", "Read Header(cd)", "Play Audio(cd)", unknown, "Play Audio MSF(cd)", "Play Audio Track/Index(cd)",
+/* 49-4f */ "Play Track Relative(10)(cd)", unknown, "Pause/Resume(cd)", "Log Select", "Log Sense", unknown, unknown,
+/* 50-55 */ unknown, unknown, unknown, unknown, unknown, "Mode Select (10)",
+/* 56-5b */ unknown, unknown, unknown, unknown, "Mode Sense (10)", unknown,
+/* 5c-5f */ unknown, unknown, unknown,
+};
+
+#define group(opcode) (((opcode) >> 5) & 7)
+
+#define RESERVED_GROUP 0
+#define VENDOR_GROUP 1
+#define NOTEXT_GROUP 2
+
+static const char **commands[] = {
+ group_0_commands, group_1_commands, group_2_commands,
+ (const char **) RESERVED_GROUP, (const char **) RESERVED_GROUP,
+ (const char **) NOTEXT_GROUP, (const char **) VENDOR_GROUP,
+ (const char **) VENDOR_GROUP
+};
+
+static const char reserved[] = "RESERVED";
+static const char vendor[] = "VENDOR SPECIFIC";
+
+static void print_opcodek(unsigned char opcode)
+{
+ const char **table = commands[ group(opcode) ];
+
+ switch ((unsigned long) table) {
+ case RESERVED_GROUP:
+ printk("%s[%02x] ", reserved, opcode);
+ break;
+ case NOTEXT_GROUP:
+ printk("%s(notext)[%02x] ", unknown, opcode);
+ break;
+ case VENDOR_GROUP:
+ printk("%s[%02x] ", vendor, opcode);
+ break;
+ default:
+ if (table[opcode & 0x1f] != unknown)
+ printk("%s[%02x] ", table[opcode & 0x1f], opcode);
+ else
+ printk("%s[%02x] ", unknown, opcode);
+ break;
+ }
+}
+
+static void print_commandk (unsigned char *command)
+{
+ int i,s;
+// printk(KERN_DEBUG);
+ print_opcodek(command[0]);
+ /*printk(KERN_DEBUG "%s ", __func__);*/
+ if ((command[0] >> 5) == 6 ||
+ (command[0] >> 5) == 7 ) {
+ s = 12; /* vender specific */
+ } else {
+ s = COMMAND_SIZE(command[0]);
+ }
+
+ for ( i = 1; i < s; ++i) {
+ printk("%02x ", command[i]);
+ }
+
+ switch (s) {
+ case 6:
+ printk("LBA=%d len=%d",
+ (((unsigned int)command[1] & 0x0f) << 16) |
+ ( (unsigned int)command[2] << 8) |
+ ( (unsigned int)command[3] ),
+ (unsigned int)command[4]
+ );
+ break;
+ case 10:
+ printk("LBA=%d len=%d",
+ ((unsigned int)command[2] << 24) |
+ ((unsigned int)command[3] << 16) |
+ ((unsigned int)command[4] << 8) |
+ ((unsigned int)command[5] ),
+ ((unsigned int)command[7] << 8) |
+ ((unsigned int)command[8] )
+ );
+ break;
+ case 12:
+ printk("LBA=%d len=%d",
+ ((unsigned int)command[2] << 24) |
+ ((unsigned int)command[3] << 16) |
+ ((unsigned int)command[4] << 8) |
+ ((unsigned int)command[5] ),
+ ((unsigned int)command[6] << 24) |
+ ((unsigned int)command[7] << 16) |
+ ((unsigned int)command[8] << 8) |
+ ((unsigned int)command[9] )
+ );
+ break;
+ default:
+ break;
+ }
+ printk("\n");
+}
+
+static void show_command(Scsi_Cmnd *SCpnt)
+{
+ print_commandk(SCpnt->cmnd);
+}
+
+static void show_busphase(unsigned char stat)
+{
+ switch(stat) {
+ case BUSPHASE_COMMAND:
+ printk( "BUSPHASE_COMMAND\n");
+ break;
+ case BUSPHASE_MESSAGE_IN:
+ printk( "BUSPHASE_MESSAGE_IN\n");
+ break;
+ case BUSPHASE_MESSAGE_OUT:
+ printk( "BUSPHASE_MESSAGE_OUT\n");
+ break;
+ case BUSPHASE_DATA_IN:
+ printk( "BUSPHASE_DATA_IN\n");
+ break;
+ case BUSPHASE_DATA_OUT:
+ printk( "BUSPHASE_DATA_OUT\n");
+ break;
+ case BUSPHASE_STATUS:
+ printk( "BUSPHASE_STATUS\n");
+ break;
+ case BUSPHASE_SELECT:
+ printk( "BUSPHASE_SELECT\n");
+ break;
+ default:
+ printk( "BUSPHASE_other: 0x%x\n", stat);
+ break;
+ }
+}
+
+static void show_autophase(unsigned short i)
+{
+ printk("auto: 0x%x,", i);
+
+ if(i & COMMAND_PHASE) {
+ printk(" cmd");
+ }
+ if(i & DATA_IN_PHASE) {
+ printk(" din");
+ }
+ if(i & DATA_OUT_PHASE) {
+ printk(" dout");
+ }
+ if(i & MSGOUT_PHASE) {
+ printk(" mout");
+ }
+ if(i & STATUS_PHASE) {
+ printk(" stat");
+ }
+ if(i & ILLEGAL_PHASE) {
+ printk(" ill");
+ }
+ if(i & BUS_FREE_OCCUER) {
+ printk(" bfree-o");
+ }
+ if(i & MSG_IN_OCCUER) {
+ printk(" min-o");
+ }
+ if(i & MSG_OUT_OCCUER) {
+ printk(" mout-o");
+ }
+ if(i & SELECTION_TIMEOUT) {
+ printk(" sel");
+ }
+ if(i & MSGIN_00_VALID) {
+ printk(" m0");
+ }
+ if(i & MSGIN_02_VALID) {
+ printk(" m2");
+ }
+ if(i & MSGIN_03_VALID) {
+ printk(" m3");
+ }
+ if(i & MSGIN_04_VALID) {
+ printk(" m4");
+ }
+ if(i & AUTOSCSI_BUSY) {
+ printk(" busy");
+ }
+
+ printk("\n");
+}
+
+static void nsp32_print_register(int base)
+{
+ if (!(NSP32_DEBUG_MASK & NSP32_SPECIAL_PRINT_REGISTER))
+ return;
+
+ printk("Phase=0x%x, ", nsp32_read1(base, SCSI_BUS_MONITOR));
+ printk("OldPhase=0x%x, ", nsp32_index_read1(base, OLD_SCSI_PHASE));
+ printk("syncreg=0x%x, ", nsp32_read1(base, SYNC_REG));
+ printk("ackwidth=0x%x, ", nsp32_read1(base, ACK_WIDTH));
+ printk("sgtpaddr=0x%lx, ", nsp32_read4(base, SGT_ADR));
+ printk("scsioutlatch=0x%x, ", nsp32_read1(base, SCSI_OUT_LATCH_TARGET_ID));
+ printk("msgout=0x%lx, ", nsp32_read4(base, SCSI_MSG_OUT));
+ printk("miscrd=0x%x, ", nsp32_index_read2(base, MISC_WR));
+ printk("seltimeout=0x%x, ", nsp32_read2(base, SEL_TIME_OUT));
+ printk("sreqrate=0x%x, ", nsp32_read1(base, SREQ_SMPL_RATE));
+ printk("transStatus=0x%x, ", nsp32_read2(base, TRANSFER_STATUS));
+ printk("reselectid=0x%x, ", nsp32_read2(base, COMMAND_CONTROL));
+ printk("arbit=0x%x, ", nsp32_read1(base, ARBIT_STATUS));
+ printk("BmStart=0x%lx, ", nsp32_read4(base, BM_START_ADR));
+ printk("BmCount=0x%lx, ", nsp32_read4(base, BM_CNT));
+ printk("SackCnt=0x%lx, ", nsp32_read4(base, SACK_CNT));
+ printk("SReqCnt=0x%lx, ", nsp32_read4(base, SREQ_CNT));
+ printk("SavedSackCnt=0x%lx, ", nsp32_read4(base, SAVED_SACK_CNT));
+ printk("ScsiBusControl=0x%x, ", nsp32_read1(base, SCSI_BUS_CONTROL));
+ printk("FifoRestCnt=0x%x, ", nsp32_read2(base, FIFO_REST_CNT));
+ printk("CdbIn=0x%x, ", nsp32_read1(base, SCSI_CSB_IN));
+ printk("\n");
+
+ if (0) {
+ printk("execph=0x%x, ", nsp32_read2(base, SCSI_EXECUTE_PHASE));
+ printk("IrqStatus=0x%x, ", nsp32_read2(base, IRQ_STATUS));
+ printk("\n");
+ }
+}
+
+/* end */