Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / staging / i2o / debug.c
diff --git a/kernel/drivers/staging/i2o/debug.c b/kernel/drivers/staging/i2o/debug.c
new file mode 100644 (file)
index 0000000..12b783b
--- /dev/null
@@ -0,0 +1,473 @@
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include "i2o.h"
+
+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;
+
+       if (cmd == I2O_CMD_UTIL_EVT_REGISTER)
+               return;         /* No status in this reply */
+
+       printk("%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("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(" / 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("TRANSPORT_UNKNOWN_FAILURE (%0#2x).\n",
+                      req_status);
+       else
+               printk("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\n", (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("RequestStatus = %0#2x", req_status);
+       else
+               printk("%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(" / DetailedStatus = %0#4x.\n",
+                      detailed_status);
+       else
+               printk(" / %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("UTIL_NOP, ");
+               break;
+       case I2O_CMD_UTIL_ABORT:
+               printk("UTIL_ABORT, ");
+               break;
+       case I2O_CMD_UTIL_CLAIM:
+               printk("UTIL_CLAIM, ");
+               break;
+       case I2O_CMD_UTIL_RELEASE:
+               printk("UTIL_CLAIM_RELEASE, ");
+               break;
+       case I2O_CMD_UTIL_CONFIG_DIALOG:
+               printk("UTIL_CONFIG_DIALOG, ");
+               break;
+       case I2O_CMD_UTIL_DEVICE_RESERVE:
+               printk("UTIL_DEVICE_RESERVE, ");
+               break;
+       case I2O_CMD_UTIL_DEVICE_RELEASE:
+               printk("UTIL_DEVICE_RELEASE, ");
+               break;
+       case I2O_CMD_UTIL_EVT_ACK:
+               printk("UTIL_EVENT_ACKNOWLEDGE, ");
+               break;
+       case I2O_CMD_UTIL_EVT_REGISTER:
+               printk("UTIL_EVENT_REGISTER, ");
+               break;
+       case I2O_CMD_UTIL_LOCK:
+               printk("UTIL_LOCK, ");
+               break;
+       case I2O_CMD_UTIL_LOCK_RELEASE:
+               printk("UTIL_LOCK_RELEASE, ");
+               break;
+       case I2O_CMD_UTIL_PARAMS_GET:
+               printk("UTIL_PARAMS_GET, ");
+               break;
+       case I2O_CMD_UTIL_PARAMS_SET:
+               printk("UTIL_PARAMS_SET, ");
+               break;
+       case I2O_CMD_UTIL_REPLY_FAULT_NOTIFY:
+               printk("UTIL_REPLY_FAULT_NOTIFY, ");
+               break;
+       default:
+               printk("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("EXEC_ADAPTER_ASSIGN, ");
+               break;
+       case I2O_CMD_ADAPTER_READ:
+               printk("EXEC_ADAPTER_READ, ");
+               break;
+       case I2O_CMD_ADAPTER_RELEASE:
+               printk("EXEC_ADAPTER_RELEASE, ");
+               break;
+       case I2O_CMD_BIOS_INFO_SET:
+               printk("EXEC_BIOS_INFO_SET, ");
+               break;
+       case I2O_CMD_BOOT_DEVICE_SET:
+               printk("EXEC_BOOT_DEVICE_SET, ");
+               break;
+       case I2O_CMD_CONFIG_VALIDATE:
+               printk("EXEC_CONFIG_VALIDATE, ");
+               break;
+       case I2O_CMD_CONN_SETUP:
+               printk("EXEC_CONN_SETUP, ");
+               break;
+       case I2O_CMD_DDM_DESTROY:
+               printk("EXEC_DDM_DESTROY, ");
+               break;
+       case I2O_CMD_DDM_ENABLE:
+               printk("EXEC_DDM_ENABLE, ");
+               break;
+       case I2O_CMD_DDM_QUIESCE:
+               printk("EXEC_DDM_QUIESCE, ");
+               break;
+       case I2O_CMD_DDM_RESET:
+               printk("EXEC_DDM_RESET, ");
+               break;
+       case I2O_CMD_DDM_SUSPEND:
+               printk("EXEC_DDM_SUSPEND, ");
+               break;
+       case I2O_CMD_DEVICE_ASSIGN:
+               printk("EXEC_DEVICE_ASSIGN, ");
+               break;
+       case I2O_CMD_DEVICE_RELEASE:
+               printk("EXEC_DEVICE_RELEASE, ");
+               break;
+       case I2O_CMD_HRT_GET:
+               printk("EXEC_HRT_GET, ");
+               break;
+       case I2O_CMD_ADAPTER_CLEAR:
+               printk("EXEC_IOP_CLEAR, ");
+               break;
+       case I2O_CMD_ADAPTER_CONNECT:
+               printk("EXEC_IOP_CONNECT, ");
+               break;
+       case I2O_CMD_ADAPTER_RESET:
+               printk("EXEC_IOP_RESET, ");
+               break;
+       case I2O_CMD_LCT_NOTIFY:
+               printk("EXEC_LCT_NOTIFY, ");
+               break;
+       case I2O_CMD_OUTBOUND_INIT:
+               printk("EXEC_OUTBOUND_INIT, ");
+               break;
+       case I2O_CMD_PATH_ENABLE:
+               printk("EXEC_PATH_ENABLE, ");
+               break;
+       case I2O_CMD_PATH_QUIESCE:
+               printk("EXEC_PATH_QUIESCE, ");
+               break;
+       case I2O_CMD_PATH_RESET:
+               printk("EXEC_PATH_RESET, ");
+               break;
+       case I2O_CMD_STATIC_MF_CREATE:
+               printk("EXEC_STATIC_MF_CREATE, ");
+               break;
+       case I2O_CMD_STATIC_MF_RELEASE:
+               printk("EXEC_STATIC_MF_RELEASE, ");
+               break;
+       case I2O_CMD_STATUS_GET:
+               printk("EXEC_STATUS_GET, ");
+               break;
+       case I2O_CMD_SW_DOWNLOAD:
+               printk("EXEC_SW_DOWNLOAD, ");
+               break;
+       case I2O_CMD_SW_UPLOAD:
+               printk("EXEC_SW_UPLOAD, ");
+               break;
+       case I2O_CMD_SW_REMOVE:
+               printk("EXEC_SW_REMOVE, ");
+               break;
+       case I2O_CMD_SYS_ENABLE:
+               printk("EXEC_SYS_ENABLE, ");
+               break;
+       case I2O_CMD_SYS_MODIFY:
+               printk("EXEC_SYS_MODIFY, ");
+               break;
+       case I2O_CMD_SYS_QUIESCE:
+               printk("EXEC_SYS_QUIESCE, ");
+               break;
+       case I2O_CMD_SYS_TAB_SET:
+               printk("EXEC_SYS_TAB_SET, ");
+               break;
+       default:
+               printk("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("INIT\n");
+               break;
+       case 0x02:
+               printk("RESET\n");
+               break;
+       case 0x04:
+               printk("HOLD\n");
+               break;
+       case 0x05:
+               printk("READY\n");
+               break;
+       case 0x08:
+               printk("OPERATIONAL\n");
+               break;
+       case 0x10:
+               printk("FAILED\n");
+               break;
+       case 0x11:
+               printk("FAULTED\n");
+               break;
+       default:
+               printk("%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("TID %04X:[", state & 0xFFF);
+               state >>= 12;
+               if (state & (1 << 0))
+                       printk("H");    /* Hidden */
+               if (state & (1 << 2)) {
+                       printk("P");    /* Present */
+                       if (state & (1 << 1))
+                               printk("C");    /* Controlled */
+               }
+               if (state > 9)
+                       printk("*");    /* Hard */
+
+               printk("]:");
+
+               switch (p[3] & 0xFFFF) {
+               case 0:
+                       /* Adapter private bus - easy */
+                       printk("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("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("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("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("PCI %d: Bus %d Device %d Function %d", p[2],
+                              d[2], d[1], d[0]);
+                       break;
+
+               case 0x80:      /* Other */
+               default:
+                       printk("Unsupported bus type.");
+                       break;
+               }
+               printk("\n");
+               rows += length;
+       }
+}
+
+EXPORT_SYMBOL(i2o_dump_message);