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Diffstat (limited to 'drivers/message/i2o/debug.c')
-rw-r--r--drivers/message/i2o/debug.c481
1 files changed, 481 insertions, 0 deletions
diff --git a/drivers/message/i2o/debug.c b/drivers/message/i2o/debug.c
new file mode 100644
index 000000000000..2a5d478fc60e
--- /dev/null
+++ b/drivers/message/i2o/debug.c
@@ -0,0 +1,481 @@
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/i2o.h>
+
+extern struct i2o_driver **i2o_drivers;
+extern unsigned int i2o_max_drivers;
+static void i2o_report_util_cmd(u8 cmd);
+static void i2o_report_exec_cmd(u8 cmd);
+static void i2o_report_fail_status(u8 req_status, u32 * msg);
+static void i2o_report_common_status(u8 req_status);
+static void i2o_report_common_dsc(u16 detailed_status);
+
+/*
+ * Used for error reporting/debugging purposes.
+ * Report Cmd name, Request status, Detailed Status.
+ */
+void i2o_report_status(const char *severity, const char *str,
+ struct i2o_message *m)
+{
+ u32 *msg = (u32 *) m;
+ u8 cmd = (msg[1] >> 24) & 0xFF;
+ u8 req_status = (msg[4] >> 24) & 0xFF;
+ u16 detailed_status = msg[4] & 0xFFFF;
+ //struct i2o_driver *h = i2o_drivers[msg[2] & (i2o_max_drivers-1)];
+
+ if (cmd == I2O_CMD_UTIL_EVT_REGISTER)
+ return; // No status in this reply
+
+ printk(KERN_DEBUG "%s%s: ", severity, str);
+
+ if (cmd < 0x1F) // Utility cmd
+ i2o_report_util_cmd(cmd);
+
+ else if (cmd >= 0xA0 && cmd <= 0xEF) // Executive cmd
+ i2o_report_exec_cmd(cmd);
+ else
+ printk(KERN_DEBUG "Cmd = %0#2x, ", cmd); // Other cmds
+
+ if (msg[0] & MSG_FAIL) {
+ i2o_report_fail_status(req_status, msg);
+ return;
+ }
+
+ i2o_report_common_status(req_status);
+
+ if (cmd < 0x1F || (cmd >= 0xA0 && cmd <= 0xEF))
+ i2o_report_common_dsc(detailed_status);
+ else
+ printk(KERN_DEBUG " / DetailedStatus = %0#4x.\n",
+ detailed_status);
+}
+
+/* Used to dump a message to syslog during debugging */
+void i2o_dump_message(struct i2o_message *m)
+{
+#ifdef DEBUG
+ u32 *msg = (u32 *) m;
+ int i;
+ printk(KERN_INFO "Dumping I2O message size %d @ %p\n",
+ msg[0] >> 16 & 0xffff, msg);
+ for (i = 0; i < ((msg[0] >> 16) & 0xffff); i++)
+ printk(KERN_INFO " msg[%d] = %0#10x\n", i, msg[i]);
+#endif
+}
+
+/*
+ * Used for error reporting/debugging purposes.
+ * Following fail status are common to all classes.
+ * The preserved message must be handled in the reply handler.
+ */
+static void i2o_report_fail_status(u8 req_status, u32 * msg)
+{
+ static char *FAIL_STATUS[] = {
+ "0x80", /* not used */
+ "SERVICE_SUSPENDED", /* 0x81 */
+ "SERVICE_TERMINATED", /* 0x82 */
+ "CONGESTION",
+ "FAILURE",
+ "STATE_ERROR",
+ "TIME_OUT",
+ "ROUTING_FAILURE",
+ "INVALID_VERSION",
+ "INVALID_OFFSET",
+ "INVALID_MSG_FLAGS",
+ "FRAME_TOO_SMALL",
+ "FRAME_TOO_LARGE",
+ "INVALID_TARGET_ID",
+ "INVALID_INITIATOR_ID",
+ "INVALID_INITIATOR_CONTEX", /* 0x8F */
+ "UNKNOWN_FAILURE" /* 0xFF */
+ };
+
+ if (req_status == I2O_FSC_TRANSPORT_UNKNOWN_FAILURE)
+ printk(KERN_DEBUG "TRANSPORT_UNKNOWN_FAILURE (%0#2x)\n.",
+ req_status);
+ else
+ printk(KERN_DEBUG "TRANSPORT_%s.\n",
+ FAIL_STATUS[req_status & 0x0F]);
+
+ /* Dump some details */
+
+ printk(KERN_ERR " InitiatorId = %d, TargetId = %d\n",
+ (msg[1] >> 12) & 0xFFF, msg[1] & 0xFFF);
+ printk(KERN_ERR " LowestVersion = 0x%02X, HighestVersion = 0x%02X\n",
+ (msg[4] >> 8) & 0xFF, msg[4] & 0xFF);
+ printk(KERN_ERR " FailingHostUnit = 0x%04X, FailingIOP = 0x%03X\n",
+ msg[5] >> 16, msg[5] & 0xFFF);
+
+ printk(KERN_ERR " Severity: 0x%02X ", (msg[4] >> 16) & 0xFF);
+ if (msg[4] & (1 << 16))
+ printk(KERN_DEBUG "(FormatError), "
+ "this msg can never be delivered/processed.\n");
+ if (msg[4] & (1 << 17))
+ printk(KERN_DEBUG "(PathError), "
+ "this msg can no longer be delivered/processed.\n");
+ if (msg[4] & (1 << 18))
+ printk(KERN_DEBUG "(PathState), "
+ "the system state does not allow delivery.\n");
+ if (msg[4] & (1 << 19))
+ printk(KERN_DEBUG
+ "(Congestion), resources temporarily not available;"
+ "do not retry immediately.\n");
+}
+
+/*
+ * Used for error reporting/debugging purposes.
+ * Following reply status are common to all classes.
+ */
+static void i2o_report_common_status(u8 req_status)
+{
+ static char *REPLY_STATUS[] = {
+ "SUCCESS",
+ "ABORT_DIRTY",
+ "ABORT_NO_DATA_TRANSFER",
+ "ABORT_PARTIAL_TRANSFER",
+ "ERROR_DIRTY",
+ "ERROR_NO_DATA_TRANSFER",
+ "ERROR_PARTIAL_TRANSFER",
+ "PROCESS_ABORT_DIRTY",
+ "PROCESS_ABORT_NO_DATA_TRANSFER",
+ "PROCESS_ABORT_PARTIAL_TRANSFER",
+ "TRANSACTION_ERROR",
+ "PROGRESS_REPORT"
+ };
+
+ if (req_status >= ARRAY_SIZE(REPLY_STATUS))
+ printk(KERN_DEBUG "RequestStatus = %0#2x", req_status);
+ else
+ printk(KERN_DEBUG "%s", REPLY_STATUS[req_status]);
+}
+
+/*
+ * Used for error reporting/debugging purposes.
+ * Following detailed status are valid for executive class,
+ * utility class, DDM class and for transaction error replies.
+ */
+static void i2o_report_common_dsc(u16 detailed_status)
+{
+ static char *COMMON_DSC[] = {
+ "SUCCESS",
+ "0x01", // not used
+ "BAD_KEY",
+ "TCL_ERROR",
+ "REPLY_BUFFER_FULL",
+ "NO_SUCH_PAGE",
+ "INSUFFICIENT_RESOURCE_SOFT",
+ "INSUFFICIENT_RESOURCE_HARD",
+ "0x08", // not used
+ "CHAIN_BUFFER_TOO_LARGE",
+ "UNSUPPORTED_FUNCTION",
+ "DEVICE_LOCKED",
+ "DEVICE_RESET",
+ "INAPPROPRIATE_FUNCTION",
+ "INVALID_INITIATOR_ADDRESS",
+ "INVALID_MESSAGE_FLAGS",
+ "INVALID_OFFSET",
+ "INVALID_PARAMETER",
+ "INVALID_REQUEST",
+ "INVALID_TARGET_ADDRESS",
+ "MESSAGE_TOO_LARGE",
+ "MESSAGE_TOO_SMALL",
+ "MISSING_PARAMETER",
+ "TIMEOUT",
+ "UNKNOWN_ERROR",
+ "UNKNOWN_FUNCTION",
+ "UNSUPPORTED_VERSION",
+ "DEVICE_BUSY",
+ "DEVICE_NOT_AVAILABLE"
+ };
+
+ if (detailed_status > I2O_DSC_DEVICE_NOT_AVAILABLE)
+ printk(KERN_DEBUG " / DetailedStatus = %0#4x.\n",
+ detailed_status);
+ else
+ printk(KERN_DEBUG " / %s.\n", COMMON_DSC[detailed_status]);
+}
+
+/*
+ * Used for error reporting/debugging purposes
+ */
+static void i2o_report_util_cmd(u8 cmd)
+{
+ switch (cmd) {
+ case I2O_CMD_UTIL_NOP:
+ printk(KERN_DEBUG "UTIL_NOP, ");
+ break;
+ case I2O_CMD_UTIL_ABORT:
+ printk(KERN_DEBUG "UTIL_ABORT, ");
+ break;
+ case I2O_CMD_UTIL_CLAIM:
+ printk(KERN_DEBUG "UTIL_CLAIM, ");
+ break;
+ case I2O_CMD_UTIL_RELEASE:
+ printk(KERN_DEBUG "UTIL_CLAIM_RELEASE, ");
+ break;
+ case I2O_CMD_UTIL_CONFIG_DIALOG:
+ printk(KERN_DEBUG "UTIL_CONFIG_DIALOG, ");
+ break;
+ case I2O_CMD_UTIL_DEVICE_RESERVE:
+ printk(KERN_DEBUG "UTIL_DEVICE_RESERVE, ");
+ break;
+ case I2O_CMD_UTIL_DEVICE_RELEASE:
+ printk(KERN_DEBUG "UTIL_DEVICE_RELEASE, ");
+ break;
+ case I2O_CMD_UTIL_EVT_ACK:
+ printk(KERN_DEBUG "UTIL_EVENT_ACKNOWLEDGE, ");
+ break;
+ case I2O_CMD_UTIL_EVT_REGISTER:
+ printk(KERN_DEBUG "UTIL_EVENT_REGISTER, ");
+ break;
+ case I2O_CMD_UTIL_LOCK:
+ printk(KERN_DEBUG "UTIL_LOCK, ");
+ break;
+ case I2O_CMD_UTIL_LOCK_RELEASE:
+ printk(KERN_DEBUG "UTIL_LOCK_RELEASE, ");
+ break;
+ case I2O_CMD_UTIL_PARAMS_GET:
+ printk(KERN_DEBUG "UTIL_PARAMS_GET, ");
+ break;
+ case I2O_CMD_UTIL_PARAMS_SET:
+ printk(KERN_DEBUG "UTIL_PARAMS_SET, ");
+ break;
+ case I2O_CMD_UTIL_REPLY_FAULT_NOTIFY:
+ printk(KERN_DEBUG "UTIL_REPLY_FAULT_NOTIFY, ");
+ break;
+ default:
+ printk(KERN_DEBUG "Cmd = %0#2x, ", cmd);
+ }
+}
+
+/*
+ * Used for error reporting/debugging purposes
+ */
+static void i2o_report_exec_cmd(u8 cmd)
+{
+ switch (cmd) {
+ case I2O_CMD_ADAPTER_ASSIGN:
+ printk(KERN_DEBUG "EXEC_ADAPTER_ASSIGN, ");
+ break;
+ case I2O_CMD_ADAPTER_READ:
+ printk(KERN_DEBUG "EXEC_ADAPTER_READ, ");
+ break;
+ case I2O_CMD_ADAPTER_RELEASE:
+ printk(KERN_DEBUG "EXEC_ADAPTER_RELEASE, ");
+ break;
+ case I2O_CMD_BIOS_INFO_SET:
+ printk(KERN_DEBUG "EXEC_BIOS_INFO_SET, ");
+ break;
+ case I2O_CMD_BOOT_DEVICE_SET:
+ printk(KERN_DEBUG "EXEC_BOOT_DEVICE_SET, ");
+ break;
+ case I2O_CMD_CONFIG_VALIDATE:
+ printk(KERN_DEBUG "EXEC_CONFIG_VALIDATE, ");
+ break;
+ case I2O_CMD_CONN_SETUP:
+ printk(KERN_DEBUG "EXEC_CONN_SETUP, ");
+ break;
+ case I2O_CMD_DDM_DESTROY:
+ printk(KERN_DEBUG "EXEC_DDM_DESTROY, ");
+ break;
+ case I2O_CMD_DDM_ENABLE:
+ printk(KERN_DEBUG "EXEC_DDM_ENABLE, ");
+ break;
+ case I2O_CMD_DDM_QUIESCE:
+ printk(KERN_DEBUG "EXEC_DDM_QUIESCE, ");
+ break;
+ case I2O_CMD_DDM_RESET:
+ printk(KERN_DEBUG "EXEC_DDM_RESET, ");
+ break;
+ case I2O_CMD_DDM_SUSPEND:
+ printk(KERN_DEBUG "EXEC_DDM_SUSPEND, ");
+ break;
+ case I2O_CMD_DEVICE_ASSIGN:
+ printk(KERN_DEBUG "EXEC_DEVICE_ASSIGN, ");
+ break;
+ case I2O_CMD_DEVICE_RELEASE:
+ printk(KERN_DEBUG "EXEC_DEVICE_RELEASE, ");
+ break;
+ case I2O_CMD_HRT_GET:
+ printk(KERN_DEBUG "EXEC_HRT_GET, ");
+ break;
+ case I2O_CMD_ADAPTER_CLEAR:
+ printk(KERN_DEBUG "EXEC_IOP_CLEAR, ");
+ break;
+ case I2O_CMD_ADAPTER_CONNECT:
+ printk(KERN_DEBUG "EXEC_IOP_CONNECT, ");
+ break;
+ case I2O_CMD_ADAPTER_RESET:
+ printk(KERN_DEBUG "EXEC_IOP_RESET, ");
+ break;
+ case I2O_CMD_LCT_NOTIFY:
+ printk(KERN_DEBUG "EXEC_LCT_NOTIFY, ");
+ break;
+ case I2O_CMD_OUTBOUND_INIT:
+ printk(KERN_DEBUG "EXEC_OUTBOUND_INIT, ");
+ break;
+ case I2O_CMD_PATH_ENABLE:
+ printk(KERN_DEBUG "EXEC_PATH_ENABLE, ");
+ break;
+ case I2O_CMD_PATH_QUIESCE:
+ printk(KERN_DEBUG "EXEC_PATH_QUIESCE, ");
+ break;
+ case I2O_CMD_PATH_RESET:
+ printk(KERN_DEBUG "EXEC_PATH_RESET, ");
+ break;
+ case I2O_CMD_STATIC_MF_CREATE:
+ printk(KERN_DEBUG "EXEC_STATIC_MF_CREATE, ");
+ break;
+ case I2O_CMD_STATIC_MF_RELEASE:
+ printk(KERN_DEBUG "EXEC_STATIC_MF_RELEASE, ");
+ break;
+ case I2O_CMD_STATUS_GET:
+ printk(KERN_DEBUG "EXEC_STATUS_GET, ");
+ break;
+ case I2O_CMD_SW_DOWNLOAD:
+ printk(KERN_DEBUG "EXEC_SW_DOWNLOAD, ");
+ break;
+ case I2O_CMD_SW_UPLOAD:
+ printk(KERN_DEBUG "EXEC_SW_UPLOAD, ");
+ break;
+ case I2O_CMD_SW_REMOVE:
+ printk(KERN_DEBUG "EXEC_SW_REMOVE, ");
+ break;
+ case I2O_CMD_SYS_ENABLE:
+ printk(KERN_DEBUG "EXEC_SYS_ENABLE, ");
+ break;
+ case I2O_CMD_SYS_MODIFY:
+ printk(KERN_DEBUG "EXEC_SYS_MODIFY, ");
+ break;
+ case I2O_CMD_SYS_QUIESCE:
+ printk(KERN_DEBUG "EXEC_SYS_QUIESCE, ");
+ break;
+ case I2O_CMD_SYS_TAB_SET:
+ printk(KERN_DEBUG "EXEC_SYS_TAB_SET, ");
+ break;
+ default:
+ printk(KERN_DEBUG "Cmd = %#02x, ", cmd);
+ }
+}
+
+void i2o_debug_state(struct i2o_controller *c)
+{
+ printk(KERN_INFO "%s: State = ", c->name);
+ switch (((i2o_status_block *) c->status_block.virt)->iop_state) {
+ case 0x01:
+ printk(KERN_DEBUG "INIT\n");
+ break;
+ case 0x02:
+ printk(KERN_DEBUG "RESET\n");
+ break;
+ case 0x04:
+ printk(KERN_DEBUG "HOLD\n");
+ break;
+ case 0x05:
+ printk(KERN_DEBUG "READY\n");
+ break;
+ case 0x08:
+ printk(KERN_DEBUG "OPERATIONAL\n");
+ break;
+ case 0x10:
+ printk(KERN_DEBUG "FAILED\n");
+ break;
+ case 0x11:
+ printk(KERN_DEBUG "FAULTED\n");
+ break;
+ default:
+ printk(KERN_DEBUG "%x (unknown !!)\n",
+ ((i2o_status_block *) c->status_block.virt)->iop_state);
+ }
+};
+
+void i2o_dump_hrt(struct i2o_controller *c)
+{
+ u32 *rows = (u32 *) c->hrt.virt;
+ u8 *p = (u8 *) c->hrt.virt;
+ u8 *d;
+ int count;
+ int length;
+ int i;
+ int state;
+
+ if (p[3] != 0) {
+ printk(KERN_ERR
+ "%s: HRT table for controller is too new a version.\n",
+ c->name);
+ return;
+ }
+
+ count = p[0] | (p[1] << 8);
+ length = p[2];
+
+ printk(KERN_INFO "%s: HRT has %d entries of %d bytes each.\n",
+ c->name, count, length << 2);
+
+ rows += 2;
+
+ for (i = 0; i < count; i++) {
+ printk(KERN_INFO "Adapter %08X: ", rows[0]);
+ p = (u8 *) (rows + 1);
+ d = (u8 *) (rows + 2);
+ state = p[1] << 8 | p[0];
+
+ printk(KERN_DEBUG "TID %04X:[", state & 0xFFF);
+ state >>= 12;
+ if (state & (1 << 0))
+ printk(KERN_DEBUG "H"); /* Hidden */
+ if (state & (1 << 2)) {
+ printk(KERN_DEBUG "P"); /* Present */
+ if (state & (1 << 1))
+ printk(KERN_DEBUG "C"); /* Controlled */
+ }
+ if (state > 9)
+ printk(KERN_DEBUG "*"); /* Hard */
+
+ printk(KERN_DEBUG "]:");
+
+ switch (p[3] & 0xFFFF) {
+ case 0:
+ /* Adapter private bus - easy */
+ printk(KERN_DEBUG
+ "Local bus %d: I/O at 0x%04X Mem 0x%08X", p[2],
+ d[1] << 8 | d[0], *(u32 *) (d + 4));
+ break;
+ case 1:
+ /* ISA bus */
+ printk(KERN_DEBUG
+ "ISA %d: CSN %d I/O at 0x%04X Mem 0x%08X", p[2],
+ d[2], d[1] << 8 | d[0], *(u32 *) (d + 4));
+ break;
+
+ case 2: /* EISA bus */
+ printk(KERN_DEBUG
+ "EISA %d: Slot %d I/O at 0x%04X Mem 0x%08X",
+ p[2], d[3], d[1] << 8 | d[0], *(u32 *) (d + 4));
+ break;
+
+ case 3: /* MCA bus */
+ printk(KERN_DEBUG
+ "MCA %d: Slot %d I/O at 0x%04X Mem 0x%08X", p[2],
+ d[3], d[1] << 8 | d[0], *(u32 *) (d + 4));
+ break;
+
+ case 4: /* PCI bus */
+ printk(KERN_DEBUG
+ "PCI %d: Bus %d Device %d Function %d", p[2],
+ d[2], d[1], d[0]);
+ break;
+
+ case 0x80: /* Other */
+ default:
+ printk(KERN_DEBUG "Unsupported bus type.");
+ break;
+ }
+ printk(KERN_DEBUG "\n");
+ rows += length;
+ }
+}
+
+EXPORT_SYMBOL(i2o_dump_message);
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