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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-23 13:28:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-23 13:28:57 -0700
commit4352b8aee98005853aa63f57d6377282de17a33f (patch)
tree27614d7a9ef05c32d089004e104364ce42324837 /drivers/scsi/nsp32_debug.c
downloadlinux-stable-4352b8aee98005853aa63f57d6377282de17a33f.tar.gz
linux-stable-4352b8aee98005853aa63f57d6377282de17a33f.zip
Merge tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linuxgrafted
Pull I3C updates from Alexandre Belloni: "A new driver this cycle, for the AMD AXI I3C controller. There are also new features such as IBI wakeup support, SETAASA device discovery and ACPI support for the the DAA methods, meaning we can now communicate with the SPD devices on DDR5 modules. New driver: - AMD AXI I3C master controller Subsystem: - I3C Common Command Code (CCC) handling improvements, especially around GET CCCs - SETAASA device discovery support - ACPI support for all existing DAA methods like SETDASA, SETNEWDA as well as I2C devices on I3C bus - IBI-based wakeup support Drivers: - dw: SETAASA support - mipi-i3c-hci: advertise IBI wakeup capability, AMD_PT I3C controller support, PIO queue management support for HCI v1.2 - renesas: improve suspend to RAM support, add runtime PM support" * tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (70 commits) i3c: dw: reduce do_daa time if there's no client i3c: mipi-i3c-hci: Add support for AMD_PT I3C controller i3c: mipi-i3c-hci: Add PIO queue management support for HCI v1.2 i3c: mipi-i3c-hci: Fix missing STAT_IBI_STATUS_THLD in PIO mode i3c: dw: rename "pclk" to "apb" to match dt-binding i3c: dw: make struct dw_i3c_cmd smaller i3c: dw: use COMMAND_PORT_TRANSFER_ARG instead of hardcoding i3c: renesas: Don't register devices when ENTDAA times out i3c: master: dw-i3c-master: fix OD timing for first broadcast i3c: mipi-i3c-hci: Advertise IBI wakeup capability i3c: mipi-i3c-hci: Factor out i3c_hci_sysdev() i3c: mipi-i3c-hci-pci: Propagate I3C wakeup requirements to PCI i3c: master: Reject IBI requests from non-IBI-capable devices i3c: master: Add helper to query bus wakeup requirements i3c: master: Report wakeup events for IBIs i3c: master: Support IBI-based wakeup capability i3c: master: Fix potential UAF in i3c_device_match() i3c: master: Fix potential UAF in i3c_device_uevent() i3c: Make dev->desc locking assumptions explicit i3c: master: Fix use-after-free of master->this ...
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..4f1d4bf9c
--- /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(struct 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 */