[SCSI] lpfc 8.2.8 v2 : Add statistical reporting control and additional fc vendor events

Added support for new sysfs attributes: lpfc_stat_data_ctrl and
lpfc_max_scsicmpl_time. The attributes control statistical reporting
of io load.

Added support for new fc vendor events for error reporting.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 163 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc_nl.h b/drivers/scsi/lpfc/lpfc_nl.h
new file mode 100644
index 000000000000..1accb5a9f4e6
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_nl.h
@@ -0,0 +1,163 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for         *
+ * Fibre Channel Host Bus Adapters.                                *
+ * Copyright (C) 2008 Emulex.  All rights reserved.                *
+ * EMULEX and SLI are trademarks of Emulex.                        *
+ * www.emulex.com                                                  *
+ *                                                                 *
+ * This program is free software; you can redistribute it and/or   *
+ * modify it under the terms of version 2 of the GNU General       *
+ * Public License as published by the Free Software Foundation.    *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
+ * more details, a copy of which can be found in the file COPYING  *
+ * included with this package.                                     *
+ *******************************************************************/
+
+/* Event definitions for RegisterForEvent */
+#define FC_REG_LINK_EVENT		0x0001	/* link up / down events */
+#define FC_REG_RSCN_EVENT		0x0002	/* RSCN events */
+#define FC_REG_CT_EVENT			0x0004	/* CT request events */
+#define FC_REG_DUMP_EVENT		0x0008	/* Dump events */
+#define FC_REG_TEMPERATURE_EVENT	0x0010	/* temperature events */
+#define FC_REG_ELS_EVENT		0x0020	/* lpfc els events */
+#define FC_REG_FABRIC_EVENT		0x0040	/* lpfc fabric events */
+#define FC_REG_SCSI_EVENT		0x0080	/* lpfc scsi events */
+#define FC_REG_BOARD_EVENT		0x0100	/* lpfc board events */
+#define FC_REG_ADAPTER_EVENT		0x0200	/* lpfc adapter events */
+#define FC_REG_EVENT_MASK		(FC_REG_LINK_EVENT | \
+						FC_REG_RSCN_EVENT | \
+						FC_REG_CT_EVENT | \
+						FC_REG_DUMP_EVENT | \
+						FC_REG_TEMPERATURE_EVENT | \
+						FC_REG_ELS_EVENT | \
+						FC_REG_FABRIC_EVENT | \
+						FC_REG_SCSI_EVENT | \
+						FC_REG_BOARD_EVENT | \
+						FC_REG_ADAPTER_EVENT)
+/* Temperature events */
+#define LPFC_CRIT_TEMP		0x1
+#define LPFC_THRESHOLD_TEMP	0x2
+#define LPFC_NORMAL_TEMP	0x3
+/*
+ * All net link event payloads will begin with and event type
+ * and subcategory. The event type must come first.
+ * The subcategory further defines the data that follows in the rest
+ * of the payload. Each category will have its own unique header plus
+ * any addtional data unique to the subcategory.
+ * The payload sent via the fc transport is one-way driver->application.
+ */
+
+/* els event header */
+struct lpfc_els_event_header {
+	uint32_t event_type;
+	uint32_t subcategory;
+	uint8_t wwpn[8];
+	uint8_t wwnn[8];
+};
+
+/* subcategory codes for FC_REG_ELS_EVENT */
+#define LPFC_EVENT_PLOGI_RCV		0x01
+#define LPFC_EVENT_PRLO_RCV		0x02
+#define LPFC_EVENT_ADISC_RCV		0x04
+#define LPFC_EVENT_LSRJT_RCV		0x08
+
+/* special els lsrjt event */
+struct lpfc_lsrjt_event {
+	struct lpfc_els_event_header header;
+	uint32_t command;
+	uint32_t reason_code;
+	uint32_t explanation;
+};
+
+
+/* fabric event header */
+struct lpfc_fabric_event_header {
+	uint32_t event_type;
+	uint32_t subcategory;
+	uint8_t wwpn[8];
+	uint8_t wwnn[8];
+};
+
+/* subcategory codes for FC_REG_FABRIC_EVENT */
+#define LPFC_EVENT_FABRIC_BUSY		0x01
+#define LPFC_EVENT_PORT_BUSY		0x02
+#define LPFC_EVENT_FCPRDCHKERR		0x04
+
+/* special case fabric fcprdchkerr event */
+struct lpfc_fcprdchkerr_event {
+	struct lpfc_fabric_event_header header;
+	uint32_t lun;
+	uint32_t opcode;
+	uint32_t fcpiparam;
+};
+
+
+/* scsi event header */
+struct lpfc_scsi_event_header {
+	uint32_t event_type;
+	uint32_t subcategory;
+	uint32_t lun;
+	uint8_t wwpn[8];
+	uint8_t wwnn[8];
+};
+
+/* subcategory codes for FC_REG_SCSI_EVENT */
+#define LPFC_EVENT_QFULL	0x0001
+#define LPFC_EVENT_DEVBSY	0x0002
+#define LPFC_EVENT_CHECK_COND	0x0004
+#define LPFC_EVENT_LUNRESET	0x0008
+#define LPFC_EVENT_TGTRESET	0x0010
+#define LPFC_EVENT_BUSRESET	0x0020
+#define LPFC_EVENT_VARQUEDEPTH	0x0040
+
+/* special case scsi varqueuedepth event */
+struct lpfc_scsi_varqueuedepth_event {
+	struct lpfc_scsi_event_header scsi_event;
+	uint32_t oldval;
+	uint32_t newval;
+};
+
+/* special case scsi check condition event */
+struct lpfc_scsi_check_condition_event {
+	struct lpfc_scsi_event_header scsi_event;
+	uint8_t sense_key;
+	uint8_t asc;
+	uint8_t ascq;
+};
+
+/* event codes for FC_REG_BOARD_EVENT */
+#define LPFC_EVENT_PORTINTERR		0x01
+
+/* board event header */
+struct lpfc_board_event_header {
+	uint32_t event_type;
+	uint32_t subcategory;
+};
+
+
+/* event codes for FC_REG_ADAPTER_EVENT */
+#define LPFC_EVENT_ARRIVAL	0x01
+
+/* adapter event header */
+struct lpfc_adapter_event_header {
+	uint32_t event_type;
+	uint32_t subcategory;
+};
+
+
+/* event codes for temp_event */
+#define LPFC_CRIT_TEMP		0x1
+#define LPFC_THRESHOLD_TEMP	0x2
+#define LPFC_NORMAL_TEMP	0x3
+
+struct temp_event {
+	uint32_t event_type;
+	uint32_t event_code;
+	uint32_t data;
+};
+