X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fscsi%2Flpfc%2Flpfc_sli.h;h=a43549959dc7bb45bd9ebabcd8121afdcf201a00;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=abd9a8c84e9e6e078e2eecf73b532d78519284c8;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index abd9a8c84..a43549959 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -1,27 +1,23 @@ /******************************************************************* * 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; @@ -37,13 +33,15 @@ typedef enum _lpfc_ctx_cmd { 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; @@ -52,8 +50,7 @@ struct lpfc_iocbq { 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; @@ -64,7 +61,6 @@ struct lpfc_iocbq { }; #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 @@ -129,18 +125,16 @@ struct lpfc_sli_ring { 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 */ @@ -178,6 +172,18 @@ struct lpfc_sli_stat { 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; @@ -192,7 +198,7 @@ struct lpfc_sli { 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; @@ -203,7 +209,12 @@ struct lpfc_sli { 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 @@ -214,3 +225,9 @@ struct lpfc_sli { #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. + */