Initial import

1 files changed, 155 insertions, 0 deletions

diff --git a/drivers/scsi/bfa/bfa_plog.h b/drivers/scsi/bfa/bfa_plog.h
new file mode 100644
index 000000000..1c9baa683
--- /dev/null
+++ b/drivers/scsi/bfa/bfa_plog.h
@@ -0,0 +1,155 @@
+/*
+ * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ *
+ * Linux driver for Brocade Fibre Channel Host Bus Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+#ifndef __BFA_PORTLOG_H__
+#define __BFA_PORTLOG_H__
+
+#include "bfa_fc.h"
+#include "bfa_defs.h"
+
+#define BFA_PL_NLOG_ENTS 256
+#define BFA_PL_LOG_REC_INCR(_x) ((_x)++, (_x) %= BFA_PL_NLOG_ENTS)
+
+#define BFA_PL_STRING_LOG_SZ   32   /* number of chars in string log */
+#define BFA_PL_INT_LOG_SZ      8    /* number of integers in the integer log */
+
+enum bfa_plog_log_type {
+	BFA_PL_LOG_TYPE_INVALID	= 0,
+	BFA_PL_LOG_TYPE_INT	= 1,
+	BFA_PL_LOG_TYPE_STRING	= 2,
+};
+
+/*
+ * the (fixed size) record format for each entry in the portlog
+ */
+struct bfa_plog_rec_s {
+	u64	tv;	/* timestamp */
+	u8	 port;	/* Source port that logged this entry */
+	u8	 mid;	/* module id */
+	u8	 eid;	/* indicates Rx, Tx, IOCTL, etc.  bfa_plog_eid */
+	u8	 log_type; /* string/integer log, bfa_plog_log_type_t */
+	u8	 log_num_ints;
+	/*
+	 * interpreted only if log_type is INT_LOG. indicates number of
+	 * integers in the int_log[] (0-PL_INT_LOG_SZ).
+	 */
+	u8	 rsvd;
+	u16	misc;	/* can be used to indicate fc frame length */
+	union {
+		char	    string_log[BFA_PL_STRING_LOG_SZ];
+		u32	int_log[BFA_PL_INT_LOG_SZ];
+	} log_entry;
+
+};
+
+/*
+ * the following #defines will be used by the logging entities to indicate
+ * their module id. BFAL will convert the integer value to string format
+ *
+* process to be used while changing the following #defines:
+ *  - Always add new entries at the end
+ *  - define corresponding string in BFAL
+ *  - Do not remove any entry or rearrange the order.
+ */
+enum bfa_plog_mid {
+	BFA_PL_MID_INVALID	= 0,
+	BFA_PL_MID_DEBUG	= 1,
+	BFA_PL_MID_DRVR		= 2,
+	BFA_PL_MID_HAL		= 3,
+	BFA_PL_MID_HAL_FCXP	= 4,
+	BFA_PL_MID_HAL_UF	= 5,
+	BFA_PL_MID_FCS		= 6,
+	BFA_PL_MID_LPS		= 7,
+	BFA_PL_MID_MAX		= 8
+};
+
+#define BFA_PL_MID_STRLEN    8
+struct bfa_plog_mid_strings_s {
+	char	    m_str[BFA_PL_MID_STRLEN];
+};
+
+/*
+ * the following #defines will be used by the logging entities to indicate
+ * their event type. BFAL will convert the integer value to string format
+ *
+* process to be used while changing the following #defines:
+ *  - Always add new entries at the end
+ *  - define corresponding string in BFAL
+ *  - Do not remove any entry or rearrange the order.
+ */
+enum bfa_plog_eid {
+	BFA_PL_EID_INVALID		= 0,
+	BFA_PL_EID_IOC_DISABLE		= 1,
+	BFA_PL_EID_IOC_ENABLE		= 2,
+	BFA_PL_EID_PORT_DISABLE		= 3,
+	BFA_PL_EID_PORT_ENABLE		= 4,
+	BFA_PL_EID_PORT_ST_CHANGE	= 5,
+	BFA_PL_EID_TX			= 6,
+	BFA_PL_EID_TX_ACK1		= 7,
+	BFA_PL_EID_TX_RJT		= 8,
+	BFA_PL_EID_TX_BSY		= 9,
+	BFA_PL_EID_RX			= 10,
+	BFA_PL_EID_RX_ACK1		= 11,
+	BFA_PL_EID_RX_RJT		= 12,
+	BFA_PL_EID_RX_BSY		= 13,
+	BFA_PL_EID_CT_IN		= 14,
+	BFA_PL_EID_CT_OUT		= 15,
+	BFA_PL_EID_DRIVER_START		= 16,
+	BFA_PL_EID_RSCN			= 17,
+	BFA_PL_EID_DEBUG		= 18,
+	BFA_PL_EID_MISC			= 19,
+	BFA_PL_EID_FIP_FCF_DISC		= 20,
+	BFA_PL_EID_FIP_FCF_CVL		= 21,
+	BFA_PL_EID_LOGIN		= 22,
+	BFA_PL_EID_LOGO			= 23,
+	BFA_PL_EID_TRUNK_SCN		= 24,
+	BFA_PL_EID_MAX
+};
+
+#define BFA_PL_ENAME_STRLEN	8
+struct bfa_plog_eid_strings_s {
+	char	    e_str[BFA_PL_ENAME_STRLEN];
+};
+
+#define BFA_PL_SIG_LEN	8
+#define BFA_PL_SIG_STR  "12pl123"
+
+/*
+ * per port circular log buffer
+ */
+struct bfa_plog_s {
+	char	    plog_sig[BFA_PL_SIG_LEN];	/* Start signature */
+	u8	 plog_enabled;
+	u8	 rsvd[7];
+	u32	ticks;
+	u16	head;
+	u16	tail;
+	struct bfa_plog_rec_s  plog_recs[BFA_PL_NLOG_ENTS];
+};
+
+void bfa_plog_init(struct bfa_plog_s *plog);
+void bfa_plog_str(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
+			enum bfa_plog_eid event, u16 misc, char *log_str);
+void bfa_plog_intarr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
+			enum bfa_plog_eid event, u16 misc,
+			u32 *intarr, u32 num_ints);
+void bfa_plog_fchdr(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
+		enum bfa_plog_eid event, u16 misc, struct fchs_s *fchdr);
+void bfa_plog_fchdr_and_pl(struct bfa_plog_s *plog, enum bfa_plog_mid mid,
+			enum bfa_plog_eid event, u16 misc,
+			struct fchs_s *fchdr, u32 pld_w0);
+
+#endif /* __BFA_PORTLOG_H__ */