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141 lines
4.7 KiB
141 lines
4.7 KiB
/* |
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* This file is part of the Chelsio FCoE driver for Linux. |
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* |
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* Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenIB.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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#ifndef __CSIO_RNODE_H__ |
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#define __CSIO_RNODE_H__ |
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#include "csio_defs.h" |
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/* State machine evets */ |
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enum csio_rn_ev { |
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CSIO_RNFE_NONE = (uint32_t)0, /* None */ |
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CSIO_RNFE_LOGGED_IN, /* [N/F]Port login |
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* complete. |
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*/ |
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CSIO_RNFE_PRLI_DONE, /* PRLI completed */ |
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CSIO_RNFE_PLOGI_RECV, /* Received PLOGI */ |
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CSIO_RNFE_PRLI_RECV, /* Received PLOGI */ |
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CSIO_RNFE_LOGO_RECV, /* Received LOGO */ |
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CSIO_RNFE_PRLO_RECV, /* Received PRLO */ |
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CSIO_RNFE_DOWN, /* Rnode is down */ |
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CSIO_RNFE_CLOSE, /* Close rnode */ |
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CSIO_RNFE_NAME_MISSING, /* Rnode name missing |
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* in name server. |
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*/ |
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CSIO_RNFE_MAX_EVENT, |
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}; |
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/* rnode stats */ |
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struct csio_rnode_stats { |
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uint32_t n_err; /* error */ |
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uint32_t n_err_inval; /* invalid parameter */ |
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uint32_t n_err_nomem; /* error nomem */ |
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uint32_t n_evt_unexp; /* unexpected event */ |
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uint32_t n_evt_drop; /* unexpected event */ |
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uint32_t n_evt_fw[PROTO_ERR_IMPL_LOGO + 1]; /* fw events */ |
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enum csio_rn_ev n_evt_sm[CSIO_RNFE_MAX_EVENT]; /* State m/c events */ |
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uint32_t n_lun_rst; /* Number of resets of |
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* of LUNs under this |
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* target |
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*/ |
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uint32_t n_lun_rst_fail; /* Number of LUN reset |
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* failures. |
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*/ |
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uint32_t n_tgt_rst; /* Number of target resets */ |
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uint32_t n_tgt_rst_fail; /* Number of target reset |
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* failures. |
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*/ |
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}; |
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/* Defines for rnode role */ |
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#define CSIO_RNFR_INITIATOR 0x1 |
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#define CSIO_RNFR_TARGET 0x2 |
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#define CSIO_RNFR_FABRIC 0x4 |
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#define CSIO_RNFR_NS 0x8 |
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#define CSIO_RNFR_NPORT 0x10 |
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struct csio_rnode { |
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struct csio_sm sm; /* State machine - |
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* should be the |
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* 1st member |
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*/ |
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struct csio_lnode *lnp; /* Pointer to owning |
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* Lnode */ |
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uint32_t flowid; /* Firmware ID */ |
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struct list_head host_cmpl_q; /* SCSI IOs |
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* pending to completed |
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* to Mid-layer. |
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*/ |
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/* FC identifiers for remote node */ |
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uint32_t nport_id; |
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uint16_t fcp_flags; /* FCP Flags */ |
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uint8_t cur_evt; /* Current event */ |
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uint8_t prev_evt; /* Previous event */ |
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uint32_t role; /* Fabric/Target/ |
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* Initiator/NS |
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*/ |
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struct fcoe_rdev_entry *rdev_entry; /* Rdev entry */ |
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struct csio_service_parms rn_sparm; |
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/* FC transport attributes */ |
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struct fc_rport *rport; /* FC transport rport */ |
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uint32_t supp_classes; /* Supported FC classes */ |
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uint32_t maxframe_size; /* Max Frame size */ |
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uint32_t scsi_id; /* Transport given SCSI id */ |
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struct csio_rnode_stats stats; /* Common rnode stats */ |
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}; |
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#define csio_rn_flowid(rn) ((rn)->flowid) |
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#define csio_rn_wwpn(rn) ((rn)->rn_sparm.wwpn) |
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#define csio_rn_wwnn(rn) ((rn)->rn_sparm.wwnn) |
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#define csio_rnode_to_lnode(rn) ((rn)->lnp) |
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int csio_is_rnode_ready(struct csio_rnode *rn); |
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void csio_rnode_state_to_str(struct csio_rnode *rn, int8_t *str); |
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struct csio_rnode *csio_rnode_lookup_portid(struct csio_lnode *, uint32_t); |
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struct csio_rnode *csio_confirm_rnode(struct csio_lnode *, |
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uint32_t, struct fcoe_rdev_entry *); |
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void csio_rnode_fwevt_handler(struct csio_rnode *rn, uint8_t fwevt); |
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void csio_put_rnode(struct csio_lnode *ln, struct csio_rnode *rn); |
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void csio_reg_rnode(struct csio_rnode *); |
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void csio_unreg_rnode(struct csio_rnode *); |
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void csio_rnode_devloss_handler(struct csio_rnode *); |
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#endif /* ifndef __CSIO_RNODE_H__ */
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