/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
- * Enterprise Fibre Channel Host Bus Adapters. *
- * Refer to the README file included with this package for *
- * driver version and adapter support. *
- * Copyright (C) 2004 Emulex Corporation. *
+ * Fibre Channel Host Bus Adapters. *
+ * Copyright (C) 2004-2006 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 the GNU General Public License *
- * as published by the Free Software Foundation; either version 2 *
- * of the License, or (at your option) any later version. *
- * *
- * 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, a copy of which *
- * can be found in the file COPYING included with this package. *
+ * 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. *
*******************************************************************/
-/*
- * $Id: lpfc_sli.h 1.42 2005/03/21 02:01:28EST sf_support Exp $
- */
-
/* forward declaration for LPFC_IOCB_t's use */
struct lpfc_hba;
struct lpfc_iocbq {
/* lpfc_iocbqs are used in double linked lists */
struct list_head list;
+ uint16_t iotag; /* pre-assigned IO tag */
+ uint16_t rsvd1;
+
IOCB_t iocb; /* IOCB cmd */
uint8_t retry; /* retry counter for IOCB cmd - if needed */
uint8_t iocb_flag;
-#define LPFC_IO_POLL 1 /* Polling mode iocb */
-#define LPFC_IO_LIBDFC 2 /* libdfc iocb */
-#define LPFC_IO_WAIT 4
-#define LPFC_IO_HIPRI 8 /* High Priority Queue signal flag */
+#define LPFC_IO_LIBDFC 1 /* libdfc iocb */
+#define LPFC_IO_WAKE 2 /* High Priority Queue signal flag */
+#define LPFC_IO_FCP 4 /* FCP command -- iocbq in scsi_buf */
uint8_t abort_count;
uint8_t rsvd2;
void *context2; /* caller context information */
void *context3; /* caller context information */
union {
- wait_queue_head_t *hipri_wait_queue; /* High Priority Queue wait
- queue */
+ wait_queue_head_t *wait_queue;
struct lpfc_iocbq *rsp_iocb;
struct lpfcMboxq *mbox;
} context_un;
};
#define SLI_IOCB_RET_IOCB 1 /* Return IOCB if cmd ring full */
-#define SLI_IOCB_HIGH_PRIORITY 2 /* High priority command */
#define IOCB_SUCCESS 0
#define IOCB_BUSY 1
uint32_t local_getidx; /* last available cmd index (from cmdGetInx) */
uint32_t next_cmdidx; /* next_cmd index */
+ uint32_t rspidx; /* current index in response ring */
+ uint32_t cmdidx; /* current index in command ring */
uint8_t rsvd;
uint8_t ringno; /* ring number */
- uint8_t rspidx; /* current index in response ring */
- uint8_t cmdidx; /* current index in command ring */
uint16_t numCiocb; /* number of command iocb's per ring */
uint16_t numRiocb; /* number of rsp iocb's per ring */
uint32_t fast_iotag; /* max fastlookup based iotag */
uint32_t iotag_ctr; /* keeps track of the next iotag to use */
uint32_t iotag_max; /* max iotag value to use */
- struct lpfc_iocbq ** fast_lookup; /* array of IOCB ptrs indexed by
- iotag */
struct list_head txq;
uint16_t txq_cnt; /* current length of queue */
uint16_t txq_max; /* max length */
uint32_t mbox_busy; /* Mailbox cmd busy */
};
+/* Structure to store link status values when port stats are reset */
+struct lpfc_lnk_stat {
+ uint32_t link_failure_count;
+ uint32_t loss_of_sync_count;
+ uint32_t loss_of_signal_count;
+ uint32_t prim_seq_protocol_err_count;
+ uint32_t invalid_tx_word_count;
+ uint32_t invalid_crc_count;
+ uint32_t error_frames;
+ uint32_t link_events;
+};
+
/* Structure used to hold SLI information */
struct lpfc_sli {
uint32_t num_rings;
int fcp_ring; /* ring used for FCP initiator commands */
int next_ring;
- int ip_ring; /* ring used for IP network drv cmds */
+ int extra_ring; /* extra ring used for other protocols */
struct lpfc_sli_stat slistat; /* SLI statistical info */
struct list_head mboxq;
struct timer_list mbox_tmo; /* Hold clk to timeout active mbox
cmd */
- uint32_t *MBhostaddr; /* virtual address for mbox cmds */
+#define LPFC_IOCBQ_LOOKUP_INCREMENT 1024
+ struct lpfc_iocbq ** iocbq_lookup; /* array to lookup IOCB by IOTAG */
+ size_t iocbq_lookup_len; /* current lengs of the array */
+ uint16_t last_iotag; /* last allocated IOTAG */
+ unsigned long stats_start; /* in seconds */
+ struct lpfc_lnk_stat lnk_stat_offsets;
};
/* Given a pointer to the start of the ring, and the slot number of
#define LPFC_MBOX_TMO 30 /* Sec tmo for outstanding mbox
command */
+#define LPFC_MBOX_TMO_FLASH_CMD 300 /* Sec tmo for outstanding FLASH write
+ * or erase cmds. This is especially
+ * long because of the potential of
+ * multiple flash erases that can be
+ * spawned.
+ */
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