1254 lines
38 KiB
C
1254 lines
38 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* Copyright(c) 2007 Intel Corporation. All rights reserved.
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*
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* Maintained at www.Open-FCoE.org
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*/
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#ifndef _FC_ELS_H_
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#define _FC_ELS_H_
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#include <linux/types.h>
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#include <asm/byteorder.h>
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/*
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* Fibre Channel Switch - Enhanced Link Services definitions.
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* From T11 FC-LS Rev 1.2 June 7, 2005.
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*/
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/*
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* ELS Command codes - byte 0 of the frame payload
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*/
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enum fc_els_cmd {
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ELS_LS_RJT = 0x01, /* ESL reject */
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ELS_LS_ACC = 0x02, /* ESL Accept */
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ELS_PLOGI = 0x03, /* N_Port login */
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ELS_FLOGI = 0x04, /* F_Port login */
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ELS_LOGO = 0x05, /* Logout */
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ELS_ABTX = 0x06, /* Abort exchange - obsolete */
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ELS_RCS = 0x07, /* read connection status */
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ELS_RES = 0x08, /* read exchange status block */
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ELS_RSS = 0x09, /* read sequence status block */
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ELS_RSI = 0x0a, /* read sequence initiative */
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ELS_ESTS = 0x0b, /* establish streaming */
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ELS_ESTC = 0x0c, /* estimate credit */
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ELS_ADVC = 0x0d, /* advise credit */
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ELS_RTV = 0x0e, /* read timeout value */
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ELS_RLS = 0x0f, /* read link error status block */
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ELS_ECHO = 0x10, /* echo */
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ELS_TEST = 0x11, /* test */
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ELS_RRQ = 0x12, /* reinstate recovery qualifier */
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ELS_REC = 0x13, /* read exchange concise */
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ELS_SRR = 0x14, /* sequence retransmission request */
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ELS_FPIN = 0x16, /* Fabric Performance Impact Notification */
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ELS_EDC = 0x17, /* Exchange Diagnostic Capabilities */
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ELS_RDP = 0x18, /* Read Diagnostic Parameters */
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ELS_RDF = 0x19, /* Register Diagnostic Functions */
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ELS_PRLI = 0x20, /* process login */
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ELS_PRLO = 0x21, /* process logout */
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ELS_SCN = 0x22, /* state change notification */
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ELS_TPLS = 0x23, /* test process login state */
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ELS_TPRLO = 0x24, /* third party process logout */
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ELS_LCLM = 0x25, /* login control list mgmt (obs) */
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ELS_GAID = 0x30, /* get alias_ID */
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ELS_FACT = 0x31, /* fabric activate alias_id */
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ELS_FDACDT = 0x32, /* fabric deactivate alias_id */
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ELS_NACT = 0x33, /* N-port activate alias_id */
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ELS_NDACT = 0x34, /* N-port deactivate alias_id */
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ELS_QOSR = 0x40, /* quality of service request */
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ELS_RVCS = 0x41, /* read virtual circuit status */
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ELS_PDISC = 0x50, /* discover N_port service params */
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ELS_FDISC = 0x51, /* discover F_port service params */
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ELS_ADISC = 0x52, /* discover address */
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ELS_RNC = 0x53, /* report node cap (obs) */
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ELS_FARP_REQ = 0x54, /* FC ARP request */
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ELS_FARP_REPL = 0x55, /* FC ARP reply */
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ELS_RPS = 0x56, /* read port status block */
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ELS_RPL = 0x57, /* read port list */
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ELS_RPBC = 0x58, /* read port buffer condition */
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ELS_FAN = 0x60, /* fabric address notification */
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ELS_RSCN = 0x61, /* registered state change notification */
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ELS_SCR = 0x62, /* state change registration */
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ELS_RNFT = 0x63, /* report node FC-4 types */
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ELS_CSR = 0x68, /* clock synch. request */
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ELS_CSU = 0x69, /* clock synch. update */
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ELS_LINIT = 0x70, /* loop initialize */
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ELS_LSTS = 0x72, /* loop status */
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ELS_RNID = 0x78, /* request node ID data */
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ELS_RLIR = 0x79, /* registered link incident report */
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ELS_LIRR = 0x7a, /* link incident record registration */
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ELS_SRL = 0x7b, /* scan remote loop */
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ELS_SBRP = 0x7c, /* set bit-error reporting params */
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ELS_RPSC = 0x7d, /* report speed capabilities */
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ELS_QSA = 0x7e, /* query security attributes */
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ELS_EVFP = 0x7f, /* exchange virt. fabrics params */
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ELS_LKA = 0x80, /* link keep-alive */
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ELS_AUTH_ELS = 0x90, /* authentication ELS */
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};
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/*
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* Initializer useful for decoding table.
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* Please keep this in sync with the above definitions.
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*/
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#define FC_ELS_CMDS_INIT { \
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[ELS_LS_RJT] = "LS_RJT", \
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[ELS_LS_ACC] = "LS_ACC", \
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[ELS_PLOGI] = "PLOGI", \
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[ELS_FLOGI] = "FLOGI", \
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[ELS_LOGO] = "LOGO", \
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[ELS_ABTX] = "ABTX", \
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[ELS_RCS] = "RCS", \
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[ELS_RES] = "RES", \
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[ELS_RSS] = "RSS", \
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[ELS_RSI] = "RSI", \
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[ELS_ESTS] = "ESTS", \
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[ELS_ESTC] = "ESTC", \
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[ELS_ADVC] = "ADVC", \
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[ELS_RTV] = "RTV", \
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[ELS_RLS] = "RLS", \
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[ELS_ECHO] = "ECHO", \
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[ELS_TEST] = "TEST", \
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[ELS_RRQ] = "RRQ", \
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[ELS_REC] = "REC", \
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[ELS_SRR] = "SRR", \
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[ELS_FPIN] = "FPIN", \
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[ELS_EDC] = "EDC", \
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[ELS_RDP] = "RDP", \
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[ELS_RDF] = "RDF", \
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[ELS_PRLI] = "PRLI", \
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[ELS_PRLO] = "PRLO", \
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[ELS_SCN] = "SCN", \
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[ELS_TPLS] = "TPLS", \
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[ELS_TPRLO] = "TPRLO", \
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[ELS_LCLM] = "LCLM", \
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[ELS_GAID] = "GAID", \
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[ELS_FACT] = "FACT", \
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[ELS_FDACDT] = "FDACDT", \
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[ELS_NACT] = "NACT", \
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[ELS_NDACT] = "NDACT", \
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[ELS_QOSR] = "QOSR", \
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[ELS_RVCS] = "RVCS", \
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[ELS_PDISC] = "PDISC", \
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[ELS_FDISC] = "FDISC", \
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[ELS_ADISC] = "ADISC", \
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[ELS_RNC] = "RNC", \
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[ELS_FARP_REQ] = "FARP_REQ", \
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[ELS_FARP_REPL] = "FARP_REPL", \
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[ELS_RPS] = "RPS", \
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[ELS_RPL] = "RPL", \
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[ELS_RPBC] = "RPBC", \
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[ELS_FAN] = "FAN", \
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[ELS_RSCN] = "RSCN", \
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[ELS_SCR] = "SCR", \
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[ELS_RNFT] = "RNFT", \
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[ELS_CSR] = "CSR", \
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[ELS_CSU] = "CSU", \
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[ELS_LINIT] = "LINIT", \
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[ELS_LSTS] = "LSTS", \
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[ELS_RNID] = "RNID", \
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[ELS_RLIR] = "RLIR", \
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[ELS_LIRR] = "LIRR", \
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[ELS_SRL] = "SRL", \
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[ELS_SBRP] = "SBRP", \
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[ELS_RPSC] = "RPSC", \
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[ELS_QSA] = "QSA", \
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[ELS_EVFP] = "EVFP", \
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[ELS_LKA] = "LKA", \
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[ELS_AUTH_ELS] = "AUTH_ELS", \
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}
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/*
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* LS_ACC payload.
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*/
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struct fc_els_ls_acc {
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__u8 la_cmd; /* command code ELS_LS_ACC */
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__u8 la_resv[3]; /* reserved */
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};
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/*
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* ELS reject payload.
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*/
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struct fc_els_ls_rjt {
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__u8 er_cmd; /* command code ELS_LS_RJT */
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__u8 er_resv[4]; /* reserved must be zero */
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__u8 er_reason; /* reason (enum fc_els_rjt_reason below) */
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__u8 er_explan; /* explanation (enum fc_els_rjt_explan below) */
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__u8 er_vendor; /* vendor specific code */
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};
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/*
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* ELS reject reason codes (er_reason).
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*/
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enum fc_els_rjt_reason {
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ELS_RJT_NONE = 0, /* no reject - not to be sent */
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ELS_RJT_INVAL = 0x01, /* invalid ELS command code */
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ELS_RJT_LOGIC = 0x03, /* logical error */
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ELS_RJT_BUSY = 0x05, /* logical busy */
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ELS_RJT_PROT = 0x07, /* protocol error */
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ELS_RJT_UNAB = 0x09, /* unable to perform command request */
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ELS_RJT_UNSUP = 0x0b, /* command not supported */
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ELS_RJT_INPROG = 0x0e, /* command already in progress */
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ELS_RJT_FIP = 0x20, /* FIP error */
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ELS_RJT_VENDOR = 0xff, /* vendor specific error */
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};
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/*
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* reason code explanation (er_explan).
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*/
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enum fc_els_rjt_explan {
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ELS_EXPL_NONE = 0x00, /* No additional explanation */
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ELS_EXPL_SPP_OPT_ERR = 0x01, /* service parameter error - options */
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ELS_EXPL_SPP_ICTL_ERR = 0x03, /* service parm error - initiator ctl */
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ELS_EXPL_AH = 0x11, /* invalid association header */
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ELS_EXPL_AH_REQ = 0x13, /* association_header required */
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ELS_EXPL_SID = 0x15, /* invalid originator S_ID */
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ELS_EXPL_OXID_RXID = 0x17, /* invalid OX_ID-RX_ID combination */
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ELS_EXPL_INPROG = 0x19, /* Request already in progress */
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ELS_EXPL_PLOGI_REQD = 0x1e, /* N_Port login required */
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ELS_EXPL_INSUF_RES = 0x29, /* insufficient resources */
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ELS_EXPL_UNAB_DATA = 0x2a, /* unable to supply requested data */
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ELS_EXPL_UNSUPR = 0x2c, /* Request not supported */
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ELS_EXPL_INV_LEN = 0x2d, /* Invalid payload length */
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ELS_EXPL_NOT_NEIGHBOR = 0x62, /* VN2VN_Port not in neighbor set */
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/* TBD - above definitions incomplete */
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};
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/*
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* Link Service TLV Descriptor Tag Values
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*/
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enum fc_ls_tlv_dtag {
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ELS_DTAG_LS_REQ_INFO = 0x00000001,
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/* Link Service Request Information Descriptor */
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ELS_DTAG_LNK_FAULT_CAP = 0x0001000D,
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/* Link Fault Capability Descriptor */
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ELS_DTAG_CG_SIGNAL_CAP = 0x0001000F,
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/* Congestion Signaling Capability Descriptor */
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ELS_DTAG_LNK_INTEGRITY = 0x00020001,
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/* Link Integrity Notification Descriptor */
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ELS_DTAG_DELIVERY = 0x00020002,
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/* Delivery Notification Descriptor */
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ELS_DTAG_PEER_CONGEST = 0x00020003,
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/* Peer Congestion Notification Descriptor */
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ELS_DTAG_CONGESTION = 0x00020004,
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/* Congestion Notification Descriptor */
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ELS_DTAG_FPIN_REGISTER = 0x00030001,
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/* FPIN Registration Descriptor */
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};
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/*
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* Initializer useful for decoding table.
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* Please keep this in sync with the above definitions.
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*/
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#define FC_LS_TLV_DTAG_INIT { \
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{ ELS_DTAG_LS_REQ_INFO, "Link Service Request Information" }, \
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{ ELS_DTAG_LNK_FAULT_CAP, "Link Fault Capability" }, \
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{ ELS_DTAG_CG_SIGNAL_CAP, "Congestion Signaling Capability" }, \
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{ ELS_DTAG_LNK_INTEGRITY, "Link Integrity Notification" }, \
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{ ELS_DTAG_DELIVERY, "Delivery Notification Present" }, \
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{ ELS_DTAG_PEER_CONGEST, "Peer Congestion Notification" }, \
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{ ELS_DTAG_CONGESTION, "Congestion Notification" }, \
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{ ELS_DTAG_FPIN_REGISTER, "FPIN Registration" }, \
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}
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/*
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* Generic Link Service TLV Descriptor format
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*
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* This structure, as it defines no payload, will also be referred to
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* as the "tlv header" - which contains the tag and len fields.
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*/
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struct fc_tlv_desc {
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__be32 desc_tag; /* Notification Descriptor Tag */
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__be32 desc_len; /* Length of Descriptor (in bytes).
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* Size of descriptor excluding
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* desc_tag and desc_len fields.
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*/
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__u8 desc_value[]; /* Descriptor Value */
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};
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/* Descriptor tag and len fields are considered the mandatory header
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* for a descriptor
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*/
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#define FC_TLV_DESC_HDR_SZ sizeof(struct fc_tlv_desc)
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/*
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* Macro, used when initializing payloads, to return the descriptor length.
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* Length is size of descriptor minus the tag and len fields.
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*/
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#define FC_TLV_DESC_LENGTH_FROM_SZ(desc) \
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(sizeof(desc) - FC_TLV_DESC_HDR_SZ)
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/* Macro, used on received payloads, to return the descriptor length */
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#define FC_TLV_DESC_SZ_FROM_LENGTH(tlv) \
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(__be32_to_cpu((tlv)->desc_len) + FC_TLV_DESC_HDR_SZ)
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/*
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* This helper is used to walk descriptors in a descriptor list.
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* Given the address of the current descriptor, which minimally contains a
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* tag and len field, calculate the address of the next descriptor based
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* on the len field.
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*/
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static inline void *fc_tlv_next_desc(void *desc)
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{
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struct fc_tlv_desc *tlv = desc;
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return (desc + FC_TLV_DESC_SZ_FROM_LENGTH(tlv));
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}
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/*
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* Link Service Request Information Descriptor
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*/
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struct fc_els_lsri_desc {
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__be32 desc_tag; /* descriptor tag (0x0000 0001) */
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__be32 desc_len; /* Length of Descriptor (in bytes) (4).
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* Size of descriptor excluding
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* desc_tag and desc_len fields.
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*/
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struct {
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__u8 cmd; /* ELS cmd byte */
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__u8 bytes[3]; /* bytes 1..3 */
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} rqst_w0; /* Request word 0 */
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};
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/*
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* Common service parameters (N ports).
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*/
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struct fc_els_csp {
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__u8 sp_hi_ver; /* highest version supported (obs.) */
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__u8 sp_lo_ver; /* highest version supported (obs.) */
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__be16 sp_bb_cred; /* buffer-to-buffer credits */
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__be16 sp_features; /* common feature flags */
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__be16 sp_bb_data; /* b-b state number and data field sz */
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union {
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struct {
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__be16 _sp_tot_seq; /* total concurrent sequences */
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__be16 _sp_rel_off; /* rel. offset by info cat */
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} sp_plogi;
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struct {
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__be32 _sp_r_a_tov; /* resource alloc. timeout msec */
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} sp_flogi_acc;
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} sp_u;
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__be32 sp_e_d_tov; /* error detect timeout value */
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};
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#define sp_tot_seq sp_u.sp_plogi._sp_tot_seq
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#define sp_rel_off sp_u.sp_plogi._sp_rel_off
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#define sp_r_a_tov sp_u.sp_flogi_acc._sp_r_a_tov
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#define FC_SP_BB_DATA_MASK 0xfff /* mask for data field size in sp_bb_data */
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/*
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* Minimum and maximum values for max data field size in service parameters.
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*/
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#define FC_SP_MIN_MAX_PAYLOAD FC_MIN_MAX_PAYLOAD
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#define FC_SP_MAX_MAX_PAYLOAD FC_MAX_PAYLOAD
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/*
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* sp_features
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*/
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#define FC_SP_FT_NPIV 0x8000 /* multiple N_Port_ID support (FLOGI) */
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#define FC_SP_FT_CIRO 0x8000 /* continuously increasing rel off (PLOGI) */
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#define FC_SP_FT_CLAD 0x8000 /* clean address (in FLOGI LS_ACC) */
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#define FC_SP_FT_RAND 0x4000 /* random relative offset */
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#define FC_SP_FT_VAL 0x2000 /* valid vendor version level */
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#define FC_SP_FT_NPIV_ACC 0x2000 /* NPIV assignment (FLOGI LS_ACC) */
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#define FC_SP_FT_FPORT 0x1000 /* F port (1) vs. N port (0) */
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#define FC_SP_FT_ABB 0x0800 /* alternate BB_credit management */
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#define FC_SP_FT_EDTR 0x0400 /* E_D_TOV Resolution is nanoseconds */
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#define FC_SP_FT_MCAST 0x0200 /* multicast */
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#define FC_SP_FT_BCAST 0x0100 /* broadcast */
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#define FC_SP_FT_HUNT 0x0080 /* hunt group */
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#define FC_SP_FT_SIMP 0x0040 /* dedicated simplex */
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#define FC_SP_FT_SEC 0x0020 /* reserved for security */
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#define FC_SP_FT_CSYN 0x0010 /* clock synch. supported */
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#define FC_SP_FT_RTTOV 0x0008 /* R_T_TOV value 100 uS, else 100 mS */
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#define FC_SP_FT_HALF 0x0004 /* dynamic half duplex */
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#define FC_SP_FT_SEQC 0x0002 /* SEQ_CNT */
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#define FC_SP_FT_PAYL 0x0001 /* FLOGI payload length 256, else 116 */
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/*
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* Class-specific service parameters.
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*/
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struct fc_els_cssp {
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__be16 cp_class; /* class flags */
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__be16 cp_init; /* initiator flags */
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__be16 cp_recip; /* recipient flags */
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__be16 cp_rdfs; /* receive data field size */
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__be16 cp_con_seq; /* concurrent sequences */
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__be16 cp_ee_cred; /* N-port end-to-end credit */
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__u8 cp_resv1; /* reserved */
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__u8 cp_open_seq; /* open sequences per exchange */
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__u8 _cp_resv2[2]; /* reserved */
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};
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/*
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* cp_class flags.
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*/
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#define FC_CPC_VALID 0x8000 /* class valid */
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#define FC_CPC_IMIX 0x4000 /* intermix mode */
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#define FC_CPC_SEQ 0x0800 /* sequential delivery */
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#define FC_CPC_CAMP 0x0200 /* camp-on */
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#define FC_CPC_PRI 0x0080 /* priority */
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/*
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* cp_init flags.
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* (TBD: not all flags defined here).
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*/
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#define FC_CPI_CSYN 0x0010 /* clock synch. capable */
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/*
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* cp_recip flags.
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*/
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#define FC_CPR_CSYN 0x0008 /* clock synch. capable */
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/*
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* NFC_ELS_FLOGI: Fabric login request.
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* NFC_ELS_PLOGI: Port login request (same format).
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*/
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struct fc_els_flogi {
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__u8 fl_cmd; /* command */
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__u8 _fl_resvd[3]; /* must be zero */
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struct fc_els_csp fl_csp; /* common service parameters */
|
|
__be64 fl_wwpn; /* port name */
|
|
__be64 fl_wwnn; /* node name */
|
|
struct fc_els_cssp fl_cssp[4]; /* class 1-4 service parameters */
|
|
__u8 fl_vend[16]; /* vendor version level */
|
|
} __attribute__((__packed__));
|
|
|
|
/*
|
|
* Process login service parameter page.
|
|
*/
|
|
struct fc_els_spp {
|
|
__u8 spp_type; /* type code or common service params */
|
|
__u8 spp_type_ext; /* type code extension */
|
|
__u8 spp_flags;
|
|
__u8 _spp_resvd;
|
|
__be32 spp_orig_pa; /* originator process associator */
|
|
__be32 spp_resp_pa; /* responder process associator */
|
|
__be32 spp_params; /* service parameters */
|
|
};
|
|
|
|
/*
|
|
* spp_flags.
|
|
*/
|
|
#define FC_SPP_OPA_VAL 0x80 /* originator proc. assoc. valid */
|
|
#define FC_SPP_RPA_VAL 0x40 /* responder proc. assoc. valid */
|
|
#define FC_SPP_EST_IMG_PAIR 0x20 /* establish image pair */
|
|
#define FC_SPP_RESP_MASK 0x0f /* mask for response code (below) */
|
|
|
|
/*
|
|
* SPP response code in spp_flags - lower 4 bits.
|
|
*/
|
|
enum fc_els_spp_resp {
|
|
FC_SPP_RESP_ACK = 1, /* request executed */
|
|
FC_SPP_RESP_RES = 2, /* unable due to lack of resources */
|
|
FC_SPP_RESP_INIT = 3, /* initialization not complete */
|
|
FC_SPP_RESP_NO_PA = 4, /* unknown process associator */
|
|
FC_SPP_RESP_CONF = 5, /* configuration precludes image pair */
|
|
FC_SPP_RESP_COND = 6, /* request completed conditionally */
|
|
FC_SPP_RESP_MULT = 7, /* unable to handle multiple SPPs */
|
|
FC_SPP_RESP_INVL = 8, /* SPP is invalid */
|
|
};
|
|
|
|
/*
|
|
* ELS_RRQ - Reinstate Recovery Qualifier
|
|
*/
|
|
struct fc_els_rrq {
|
|
__u8 rrq_cmd; /* command (0x12) */
|
|
__u8 rrq_zero[3]; /* specified as zero - part of cmd */
|
|
__u8 rrq_resvd; /* reserved */
|
|
__u8 rrq_s_id[3]; /* originator FID */
|
|
__be16 rrq_ox_id; /* originator exchange ID */
|
|
__be16 rrq_rx_id; /* responders exchange ID */
|
|
};
|
|
|
|
/*
|
|
* ELS_REC - Read exchange concise.
|
|
*/
|
|
struct fc_els_rec {
|
|
__u8 rec_cmd; /* command (0x13) */
|
|
__u8 rec_zero[3]; /* specified as zero - part of cmd */
|
|
__u8 rec_resvd; /* reserved */
|
|
__u8 rec_s_id[3]; /* originator FID */
|
|
__be16 rec_ox_id; /* originator exchange ID */
|
|
__be16 rec_rx_id; /* responders exchange ID */
|
|
};
|
|
|
|
/*
|
|
* ELS_REC LS_ACC payload.
|
|
*/
|
|
struct fc_els_rec_acc {
|
|
__u8 reca_cmd; /* accept (0x02) */
|
|
__u8 reca_zero[3]; /* specified as zero - part of cmd */
|
|
__be16 reca_ox_id; /* originator exchange ID */
|
|
__be16 reca_rx_id; /* responders exchange ID */
|
|
__u8 reca_resvd1; /* reserved */
|
|
__u8 reca_ofid[3]; /* originator FID */
|
|
__u8 reca_resvd2; /* reserved */
|
|
__u8 reca_rfid[3]; /* responder FID */
|
|
__be32 reca_fc4value; /* FC4 value */
|
|
__be32 reca_e_stat; /* ESB (exchange status block) status */
|
|
};
|
|
|
|
/*
|
|
* ELS_PRLI - Process login request and response.
|
|
*/
|
|
struct fc_els_prli {
|
|
__u8 prli_cmd; /* command */
|
|
__u8 prli_spp_len; /* length of each serv. parm. page */
|
|
__be16 prli_len; /* length of entire payload */
|
|
/* service parameter pages follow */
|
|
};
|
|
|
|
/*
|
|
* ELS_PRLO - Process logout request and response.
|
|
*/
|
|
struct fc_els_prlo {
|
|
__u8 prlo_cmd; /* command */
|
|
__u8 prlo_obs; /* obsolete, but shall be set to 10h */
|
|
__be16 prlo_len; /* payload length */
|
|
};
|
|
|
|
/*
|
|
* ELS_ADISC payload
|
|
*/
|
|
struct fc_els_adisc {
|
|
__u8 adisc_cmd;
|
|
__u8 adisc_resv[3];
|
|
__u8 adisc_resv1;
|
|
__u8 adisc_hard_addr[3];
|
|
__be64 adisc_wwpn;
|
|
__be64 adisc_wwnn;
|
|
__u8 adisc_resv2;
|
|
__u8 adisc_port_id[3];
|
|
} __attribute__((__packed__));
|
|
|
|
/*
|
|
* ELS_LOGO - process or fabric logout.
|
|
*/
|
|
struct fc_els_logo {
|
|
__u8 fl_cmd; /* command code */
|
|
__u8 fl_zero[3]; /* specified as zero - part of cmd */
|
|
__u8 fl_resvd; /* reserved */
|
|
__u8 fl_n_port_id[3];/* N port ID */
|
|
__be64 fl_n_port_wwn; /* port name */
|
|
};
|
|
|
|
/*
|
|
* ELS_RTV - read timeout value.
|
|
*/
|
|
struct fc_els_rtv {
|
|
__u8 rtv_cmd; /* command code 0x0e */
|
|
__u8 rtv_zero[3]; /* specified as zero - part of cmd */
|
|
};
|
|
|
|
/*
|
|
* LS_ACC for ELS_RTV - read timeout value.
|
|
*/
|
|
struct fc_els_rtv_acc {
|
|
__u8 rtv_cmd; /* command code 0x02 */
|
|
__u8 rtv_zero[3]; /* specified as zero - part of cmd */
|
|
__be32 rtv_r_a_tov; /* resource allocation timeout value */
|
|
__be32 rtv_e_d_tov; /* error detection timeout value */
|
|
__be32 rtv_toq; /* timeout qualifier (see below) */
|
|
};
|
|
|
|
/*
|
|
* rtv_toq bits.
|
|
*/
|
|
#define FC_ELS_RTV_EDRES (1 << 26) /* E_D_TOV resolution is nS else mS */
|
|
#define FC_ELS_RTV_RTTOV (1 << 19) /* R_T_TOV is 100 uS else 100 mS */
|
|
|
|
/*
|
|
* ELS_SCR - state change registration payload.
|
|
*/
|
|
struct fc_els_scr {
|
|
__u8 scr_cmd; /* command code */
|
|
__u8 scr_resv[6]; /* reserved */
|
|
__u8 scr_reg_func; /* registration function (see below) */
|
|
};
|
|
|
|
enum fc_els_scr_func {
|
|
ELS_SCRF_FAB = 1, /* fabric-detected registration */
|
|
ELS_SCRF_NPORT = 2, /* Nx_Port-detected registration */
|
|
ELS_SCRF_FULL = 3, /* full registration */
|
|
ELS_SCRF_CLEAR = 255, /* remove any current registrations */
|
|
};
|
|
|
|
/*
|
|
* ELS_RSCN - registered state change notification payload.
|
|
*/
|
|
struct fc_els_rscn {
|
|
__u8 rscn_cmd; /* RSCN opcode (0x61) */
|
|
__u8 rscn_page_len; /* page length (4) */
|
|
__be16 rscn_plen; /* payload length including this word */
|
|
|
|
/* followed by 4-byte generic affected Port_ID pages */
|
|
};
|
|
|
|
struct fc_els_rscn_page {
|
|
__u8 rscn_page_flags; /* event and address format */
|
|
__u8 rscn_fid[3]; /* fabric ID */
|
|
};
|
|
|
|
#define ELS_RSCN_EV_QUAL_BIT 2 /* shift count for event qualifier */
|
|
#define ELS_RSCN_EV_QUAL_MASK 0xf /* mask for event qualifier */
|
|
#define ELS_RSCN_ADDR_FMT_BIT 0 /* shift count for address format */
|
|
#define ELS_RSCN_ADDR_FMT_MASK 0x3 /* mask for address format */
|
|
|
|
enum fc_els_rscn_ev_qual {
|
|
ELS_EV_QUAL_NONE = 0, /* unspecified */
|
|
ELS_EV_QUAL_NS_OBJ = 1, /* changed name server object */
|
|
ELS_EV_QUAL_PORT_ATTR = 2, /* changed port attribute */
|
|
ELS_EV_QUAL_SERV_OBJ = 3, /* changed service object */
|
|
ELS_EV_QUAL_SW_CONFIG = 4, /* changed switch configuration */
|
|
ELS_EV_QUAL_REM_OBJ = 5, /* removed object */
|
|
};
|
|
|
|
enum fc_els_rscn_addr_fmt {
|
|
ELS_ADDR_FMT_PORT = 0, /* rscn_fid is a port address */
|
|
ELS_ADDR_FMT_AREA = 1, /* rscn_fid is a area address */
|
|
ELS_ADDR_FMT_DOM = 2, /* rscn_fid is a domain address */
|
|
ELS_ADDR_FMT_FAB = 3, /* anything on fabric may have changed */
|
|
};
|
|
|
|
/*
|
|
* ELS_RNID - request Node ID.
|
|
*/
|
|
struct fc_els_rnid {
|
|
__u8 rnid_cmd; /* RNID opcode (0x78) */
|
|
__u8 rnid_resv[3]; /* reserved */
|
|
__u8 rnid_fmt; /* data format */
|
|
__u8 rnid_resv2[3]; /* reserved */
|
|
};
|
|
|
|
/*
|
|
* Node Identification Data formats (rnid_fmt)
|
|
*/
|
|
enum fc_els_rnid_fmt {
|
|
ELS_RNIDF_NONE = 0, /* no specific identification data */
|
|
ELS_RNIDF_GEN = 0xdf, /* general topology discovery format */
|
|
};
|
|
|
|
/*
|
|
* ELS_RNID response.
|
|
*/
|
|
struct fc_els_rnid_resp {
|
|
__u8 rnid_cmd; /* response code (LS_ACC) */
|
|
__u8 rnid_resv[3]; /* reserved */
|
|
__u8 rnid_fmt; /* data format */
|
|
__u8 rnid_cid_len; /* common ID data length */
|
|
__u8 rnid_resv2; /* reserved */
|
|
__u8 rnid_sid_len; /* specific ID data length */
|
|
};
|
|
|
|
struct fc_els_rnid_cid {
|
|
__be64 rnid_wwpn; /* N port name */
|
|
__be64 rnid_wwnn; /* node name */
|
|
};
|
|
|
|
struct fc_els_rnid_gen {
|
|
__u8 rnid_vend_id[16]; /* vendor-unique ID */
|
|
__be32 rnid_atype; /* associated type (see below) */
|
|
__be32 rnid_phys_port; /* physical port number */
|
|
__be32 rnid_att_nodes; /* number of attached nodes */
|
|
__u8 rnid_node_mgmt; /* node management (see below) */
|
|
__u8 rnid_ip_ver; /* IP version (see below) */
|
|
__be16 rnid_prot_port; /* UDP / TCP port number */
|
|
__be32 rnid_ip_addr[4]; /* IP address */
|
|
__u8 rnid_resvd[2]; /* reserved */
|
|
__be16 rnid_vend_spec; /* vendor-specific field */
|
|
};
|
|
|
|
enum fc_els_rnid_atype {
|
|
ELS_RNIDA_UNK = 0x01, /* unknown */
|
|
ELS_RNIDA_OTHER = 0x02, /* none of the following */
|
|
ELS_RNIDA_HUB = 0x03,
|
|
ELS_RNIDA_SWITCH = 0x04,
|
|
ELS_RNIDA_GATEWAY = 0x05,
|
|
ELS_RNIDA_CONV = 0x06, /* Obsolete, do not use this value */
|
|
ELS_RNIDA_HBA = 0x07, /* Obsolete, do not use this value */
|
|
ELS_RNIDA_PROXY = 0x08, /* Obsolete, do not use this value */
|
|
ELS_RNIDA_STORAGE = 0x09,
|
|
ELS_RNIDA_HOST = 0x0a,
|
|
ELS_RNIDA_SUBSYS = 0x0b, /* storage subsystem (e.g., RAID) */
|
|
ELS_RNIDA_ACCESS = 0x0e, /* access device (e.g. media changer) */
|
|
ELS_RNIDA_NAS = 0x11, /* NAS server */
|
|
ELS_RNIDA_BRIDGE = 0x12, /* bridge */
|
|
ELS_RNIDA_VIRT = 0x13, /* virtualization device */
|
|
ELS_RNIDA_MF = 0xff, /* multifunction device (bits below) */
|
|
ELS_RNIDA_MF_HUB = 1UL << 31, /* hub */
|
|
ELS_RNIDA_MF_SW = 1UL << 30, /* switch */
|
|
ELS_RNIDA_MF_GW = 1UL << 29, /* gateway */
|
|
ELS_RNIDA_MF_ST = 1UL << 28, /* storage */
|
|
ELS_RNIDA_MF_HOST = 1UL << 27, /* host */
|
|
ELS_RNIDA_MF_SUB = 1UL << 26, /* storage subsystem */
|
|
ELS_RNIDA_MF_ACC = 1UL << 25, /* storage access dev */
|
|
ELS_RNIDA_MF_WDM = 1UL << 24, /* wavelength division mux */
|
|
ELS_RNIDA_MF_NAS = 1UL << 23, /* NAS server */
|
|
ELS_RNIDA_MF_BR = 1UL << 22, /* bridge */
|
|
ELS_RNIDA_MF_VIRT = 1UL << 21, /* virtualization device */
|
|
};
|
|
|
|
enum fc_els_rnid_mgmt {
|
|
ELS_RNIDM_SNMP = 0,
|
|
ELS_RNIDM_TELNET = 1,
|
|
ELS_RNIDM_HTTP = 2,
|
|
ELS_RNIDM_HTTPS = 3,
|
|
ELS_RNIDM_XML = 4, /* HTTP + XML */
|
|
};
|
|
|
|
enum fc_els_rnid_ipver {
|
|
ELS_RNIDIP_NONE = 0, /* no IP support or node mgmt. */
|
|
ELS_RNIDIP_V4 = 1, /* IPv4 */
|
|
ELS_RNIDIP_V6 = 2, /* IPv6 */
|
|
};
|
|
|
|
/*
|
|
* ELS RPL - Read Port List.
|
|
*/
|
|
struct fc_els_rpl {
|
|
__u8 rpl_cmd; /* command */
|
|
__u8 rpl_resv[5]; /* reserved - must be zero */
|
|
__be16 rpl_max_size; /* maximum response size or zero */
|
|
__u8 rpl_resv1; /* reserved - must be zero */
|
|
__u8 rpl_index[3]; /* starting index */
|
|
};
|
|
|
|
/*
|
|
* Port number block in RPL response.
|
|
*/
|
|
struct fc_els_pnb {
|
|
__be32 pnb_phys_pn; /* physical port number */
|
|
__u8 pnb_resv; /* reserved */
|
|
__u8 pnb_port_id[3]; /* port ID */
|
|
__be64 pnb_wwpn; /* port name */
|
|
};
|
|
|
|
/*
|
|
* RPL LS_ACC response.
|
|
*/
|
|
struct fc_els_rpl_resp {
|
|
__u8 rpl_cmd; /* ELS_LS_ACC */
|
|
__u8 rpl_resv1; /* reserved - must be zero */
|
|
__be16 rpl_plen; /* payload length */
|
|
__u8 rpl_resv2; /* reserved - must be zero */
|
|
__u8 rpl_llen[3]; /* list length */
|
|
__u8 rpl_resv3; /* reserved - must be zero */
|
|
__u8 rpl_index[3]; /* starting index */
|
|
struct fc_els_pnb rpl_pnb[1]; /* variable number of PNBs */
|
|
};
|
|
|
|
/*
|
|
* Link Error Status Block.
|
|
*/
|
|
struct fc_els_lesb {
|
|
__be32 lesb_link_fail; /* link failure count */
|
|
__be32 lesb_sync_loss; /* loss of synchronization count */
|
|
__be32 lesb_sig_loss; /* loss of signal count */
|
|
__be32 lesb_prim_err; /* primitive sequence error count */
|
|
__be32 lesb_inv_word; /* invalid transmission word count */
|
|
__be32 lesb_inv_crc; /* invalid CRC count */
|
|
};
|
|
|
|
/*
|
|
* ELS RPS - Read Port Status Block request.
|
|
*/
|
|
struct fc_els_rps {
|
|
__u8 rps_cmd; /* command */
|
|
__u8 rps_resv[2]; /* reserved - must be zero */
|
|
__u8 rps_flag; /* flag - see below */
|
|
__be64 rps_port_spec; /* port selection */
|
|
};
|
|
|
|
enum fc_els_rps_flag {
|
|
FC_ELS_RPS_DID = 0x00, /* port identified by D_ID of req. */
|
|
FC_ELS_RPS_PPN = 0x01, /* port_spec is physical port number */
|
|
FC_ELS_RPS_WWPN = 0x02, /* port_spec is port WWN */
|
|
};
|
|
|
|
/*
|
|
* ELS RPS LS_ACC response.
|
|
*/
|
|
struct fc_els_rps_resp {
|
|
__u8 rps_cmd; /* command - LS_ACC */
|
|
__u8 rps_resv[2]; /* reserved - must be zero */
|
|
__u8 rps_flag; /* flag - see below */
|
|
__u8 rps_resv2[2]; /* reserved */
|
|
__be16 rps_status; /* port status - see below */
|
|
struct fc_els_lesb rps_lesb; /* link error status block */
|
|
};
|
|
|
|
enum fc_els_rps_resp_flag {
|
|
FC_ELS_RPS_LPEV = 0x01, /* L_port extension valid */
|
|
};
|
|
|
|
enum fc_els_rps_resp_status {
|
|
FC_ELS_RPS_PTP = 1 << 5, /* point-to-point connection */
|
|
FC_ELS_RPS_LOOP = 1 << 4, /* loop mode */
|
|
FC_ELS_RPS_FAB = 1 << 3, /* fabric present */
|
|
FC_ELS_RPS_NO_SIG = 1 << 2, /* loss of signal */
|
|
FC_ELS_RPS_NO_SYNC = 1 << 1, /* loss of synchronization */
|
|
FC_ELS_RPS_RESET = 1 << 0, /* in link reset protocol */
|
|
};
|
|
|
|
/*
|
|
* ELS LIRR - Link Incident Record Registration request.
|
|
*/
|
|
struct fc_els_lirr {
|
|
__u8 lirr_cmd; /* command */
|
|
__u8 lirr_resv[3]; /* reserved - must be zero */
|
|
__u8 lirr_func; /* registration function */
|
|
__u8 lirr_fmt; /* FC-4 type of RLIR requested */
|
|
__u8 lirr_resv2[2]; /* reserved - must be zero */
|
|
};
|
|
|
|
enum fc_els_lirr_func {
|
|
ELS_LIRR_SET_COND = 0x01, /* set - conditionally receive */
|
|
ELS_LIRR_SET_UNCOND = 0x02, /* set - unconditionally receive */
|
|
ELS_LIRR_CLEAR = 0xff /* clear registration */
|
|
};
|
|
|
|
/*
|
|
* ELS SRL - Scan Remote Loop request.
|
|
*/
|
|
struct fc_els_srl {
|
|
__u8 srl_cmd; /* command */
|
|
__u8 srl_resv[3]; /* reserved - must be zero */
|
|
__u8 srl_flag; /* flag - see below */
|
|
__u8 srl_flag_param[3]; /* flag parameter */
|
|
};
|
|
|
|
enum fc_els_srl_flag {
|
|
FC_ELS_SRL_ALL = 0x00, /* scan all FL ports */
|
|
FC_ELS_SRL_ONE = 0x01, /* scan specified loop */
|
|
FC_ELS_SRL_EN_PER = 0x02, /* enable periodic scanning (param) */
|
|
FC_ELS_SRL_DIS_PER = 0x03, /* disable periodic scanning */
|
|
};
|
|
|
|
/*
|
|
* ELS RLS - Read Link Error Status Block request.
|
|
*/
|
|
struct fc_els_rls {
|
|
__u8 rls_cmd; /* command */
|
|
__u8 rls_resv[4]; /* reserved - must be zero */
|
|
__u8 rls_port_id[3]; /* port ID */
|
|
};
|
|
|
|
/*
|
|
* ELS RLS LS_ACC Response.
|
|
*/
|
|
struct fc_els_rls_resp {
|
|
__u8 rls_cmd; /* ELS_LS_ACC */
|
|
__u8 rls_resv[3]; /* reserved - must be zero */
|
|
struct fc_els_lesb rls_lesb; /* link error status block */
|
|
};
|
|
|
|
/*
|
|
* ELS RLIR - Registered Link Incident Report.
|
|
* This is followed by the CLIR and the CLID, described below.
|
|
*/
|
|
struct fc_els_rlir {
|
|
__u8 rlir_cmd; /* command */
|
|
__u8 rlir_resv[3]; /* reserved - must be zero */
|
|
__u8 rlir_fmt; /* format (FC4-type if type specific) */
|
|
__u8 rlir_clr_len; /* common link incident record length */
|
|
__u8 rlir_cld_len; /* common link incident desc. length */
|
|
__u8 rlir_slr_len; /* spec. link incident record length */
|
|
};
|
|
|
|
/*
|
|
* CLIR - Common Link Incident Record Data. - Sent via RLIR.
|
|
*/
|
|
struct fc_els_clir {
|
|
__be64 clir_wwpn; /* incident port name */
|
|
__be64 clir_wwnn; /* incident port node name */
|
|
__u8 clir_port_type; /* incident port type */
|
|
__u8 clir_port_id[3]; /* incident port ID */
|
|
|
|
__be64 clir_conn_wwpn; /* connected port name */
|
|
__be64 clir_conn_wwnn; /* connected node name */
|
|
__be64 clir_fab_name; /* fabric name */
|
|
__be32 clir_phys_port; /* physical port number */
|
|
__be32 clir_trans_id; /* transaction ID */
|
|
__u8 clir_resv[3]; /* reserved */
|
|
__u8 clir_ts_fmt; /* time stamp format */
|
|
__be64 clir_timestamp; /* time stamp */
|
|
};
|
|
|
|
/*
|
|
* CLIR clir_ts_fmt - time stamp format values.
|
|
*/
|
|
enum fc_els_clir_ts_fmt {
|
|
ELS_CLIR_TS_UNKNOWN = 0, /* time stamp field unknown */
|
|
ELS_CLIR_TS_SEC_FRAC = 1, /* time in seconds and fractions */
|
|
ELS_CLIR_TS_CSU = 2, /* time in clock synch update format */
|
|
};
|
|
|
|
/*
|
|
* Common Link Incident Descriptor - sent via RLIR.
|
|
*/
|
|
struct fc_els_clid {
|
|
__u8 clid_iq; /* incident qualifier flags */
|
|
__u8 clid_ic; /* incident code */
|
|
__be16 clid_epai; /* domain/area of ISL */
|
|
};
|
|
|
|
/*
|
|
* CLID incident qualifier flags.
|
|
*/
|
|
enum fc_els_clid_iq {
|
|
ELS_CLID_SWITCH = 0x20, /* incident port is a switch node */
|
|
ELS_CLID_E_PORT = 0x10, /* incident is an ISL (E) port */
|
|
ELS_CLID_SEV_MASK = 0x0c, /* severity 2-bit field mask */
|
|
ELS_CLID_SEV_INFO = 0x00, /* report is informational */
|
|
ELS_CLID_SEV_INOP = 0x08, /* link not operational */
|
|
ELS_CLID_SEV_DEG = 0x04, /* link degraded but operational */
|
|
ELS_CLID_LASER = 0x02, /* subassembly is a laser */
|
|
ELS_CLID_FRU = 0x01, /* format can identify a FRU */
|
|
};
|
|
|
|
/*
|
|
* CLID incident code.
|
|
*/
|
|
enum fc_els_clid_ic {
|
|
ELS_CLID_IC_IMPL = 1, /* implicit incident */
|
|
ELS_CLID_IC_BER = 2, /* bit-error-rate threshold exceeded */
|
|
ELS_CLID_IC_LOS = 3, /* loss of synch or signal */
|
|
ELS_CLID_IC_NOS = 4, /* non-operational primitive sequence */
|
|
ELS_CLID_IC_PST = 5, /* primitive sequence timeout */
|
|
ELS_CLID_IC_INVAL = 6, /* invalid primitive sequence */
|
|
ELS_CLID_IC_LOOP_TO = 7, /* loop initialization time out */
|
|
ELS_CLID_IC_LIP = 8, /* receiving LIP */
|
|
};
|
|
|
|
/*
|
|
* Link Integrity event types
|
|
*/
|
|
enum fc_fpin_li_event_types {
|
|
FPIN_LI_UNKNOWN = 0x0,
|
|
FPIN_LI_LINK_FAILURE = 0x1,
|
|
FPIN_LI_LOSS_OF_SYNC = 0x2,
|
|
FPIN_LI_LOSS_OF_SIG = 0x3,
|
|
FPIN_LI_PRIM_SEQ_ERR = 0x4,
|
|
FPIN_LI_INVALID_TX_WD = 0x5,
|
|
FPIN_LI_INVALID_CRC = 0x6,
|
|
FPIN_LI_DEVICE_SPEC = 0xF,
|
|
};
|
|
|
|
/*
|
|
* Initializer useful for decoding table.
|
|
* Please keep this in sync with the above definitions.
|
|
*/
|
|
#define FC_FPIN_LI_EVT_TYPES_INIT { \
|
|
{ FPIN_LI_UNKNOWN, "Unknown" }, \
|
|
{ FPIN_LI_LINK_FAILURE, "Link Failure" }, \
|
|
{ FPIN_LI_LOSS_OF_SYNC, "Loss of Synchronization" }, \
|
|
{ FPIN_LI_LOSS_OF_SIG, "Loss of Signal" }, \
|
|
{ FPIN_LI_PRIM_SEQ_ERR, "Primitive Sequence Protocol Error" }, \
|
|
{ FPIN_LI_INVALID_TX_WD, "Invalid Transmission Word" }, \
|
|
{ FPIN_LI_INVALID_CRC, "Invalid CRC" }, \
|
|
{ FPIN_LI_DEVICE_SPEC, "Device Specific" }, \
|
|
}
|
|
|
|
/*
|
|
* Delivery event types
|
|
*/
|
|
enum fc_fpin_deli_event_types {
|
|
FPIN_DELI_UNKNOWN = 0x0,
|
|
FPIN_DELI_TIMEOUT = 0x1,
|
|
FPIN_DELI_UNABLE_TO_ROUTE = 0x2,
|
|
FPIN_DELI_DEVICE_SPEC = 0xF,
|
|
};
|
|
|
|
/*
|
|
* Initializer useful for decoding table.
|
|
* Please keep this in sync with the above definitions.
|
|
*/
|
|
#define FC_FPIN_DELI_EVT_TYPES_INIT { \
|
|
{ FPIN_DELI_UNKNOWN, "Unknown" }, \
|
|
{ FPIN_DELI_TIMEOUT, "Timeout" }, \
|
|
{ FPIN_DELI_UNABLE_TO_ROUTE, "Unable to Route" }, \
|
|
{ FPIN_DELI_DEVICE_SPEC, "Device Specific" }, \
|
|
}
|
|
|
|
/*
|
|
* Congestion event types
|
|
*/
|
|
enum fc_fpin_congn_event_types {
|
|
FPIN_CONGN_CLEAR = 0x0,
|
|
FPIN_CONGN_LOST_CREDIT = 0x1,
|
|
FPIN_CONGN_CREDIT_STALL = 0x2,
|
|
FPIN_CONGN_OVERSUBSCRIPTION = 0x3,
|
|
FPIN_CONGN_DEVICE_SPEC = 0xF,
|
|
};
|
|
|
|
/*
|
|
* Initializer useful for decoding table.
|
|
* Please keep this in sync with the above definitions.
|
|
*/
|
|
#define FC_FPIN_CONGN_EVT_TYPES_INIT { \
|
|
{ FPIN_CONGN_CLEAR, "Clear" }, \
|
|
{ FPIN_CONGN_LOST_CREDIT, "Lost Credit" }, \
|
|
{ FPIN_CONGN_CREDIT_STALL, "Credit Stall" }, \
|
|
{ FPIN_CONGN_OVERSUBSCRIPTION, "Oversubscription" }, \
|
|
{ FPIN_CONGN_DEVICE_SPEC, "Device Specific" }, \
|
|
}
|
|
|
|
enum fc_fpin_congn_severity_types {
|
|
FPIN_CONGN_SEVERITY_WARNING = 0xF1,
|
|
FPIN_CONGN_SEVERITY_ERROR = 0xF7,
|
|
};
|
|
|
|
/*
|
|
* Link Integrity Notification Descriptor
|
|
*/
|
|
struct fc_fn_li_desc {
|
|
__be32 desc_tag; /* Descriptor Tag (0x00020001) */
|
|
__be32 desc_len; /* Length of Descriptor (in bytes).
|
|
* Size of descriptor excluding
|
|
* desc_tag and desc_len fields.
|
|
*/
|
|
__be64 detecting_wwpn; /* Port Name that detected event */
|
|
__be64 attached_wwpn; /* Port Name of device attached to
|
|
* detecting Port Name
|
|
*/
|
|
__be16 event_type; /* see enum fc_fpin_li_event_types */
|
|
__be16 event_modifier; /* Implementation specific value
|
|
* describing the event type
|
|
*/
|
|
__be32 event_threshold;/* duration in ms of the link
|
|
* integrity detection cycle
|
|
*/
|
|
__be32 event_count; /* minimum number of event
|
|
* occurrences during the event
|
|
* threshold to caause the LI event
|
|
*/
|
|
__be32 pname_count; /* number of portname_list elements */
|
|
__be64 pname_list[]; /* list of N_Port_Names accessible
|
|
* through the attached port
|
|
*/
|
|
};
|
|
|
|
/*
|
|
* Delivery Notification Descriptor
|
|
*/
|
|
struct fc_fn_deli_desc {
|
|
__be32 desc_tag; /* Descriptor Tag (0x00020002) */
|
|
__be32 desc_len; /* Length of Descriptor (in bytes).
|
|
* Size of descriptor excluding
|
|
* desc_tag and desc_len fields.
|
|
*/
|
|
__be64 detecting_wwpn; /* Port Name that detected event */
|
|
__be64 attached_wwpn; /* Port Name of device attached to
|
|
* detecting Port Name
|
|
*/
|
|
__be32 deli_reason_code;/* see enum fc_fpin_deli_event_types */
|
|
};
|
|
|
|
/*
|
|
* Peer Congestion Notification Descriptor
|
|
*/
|
|
struct fc_fn_peer_congn_desc {
|
|
__be32 desc_tag; /* Descriptor Tag (0x00020003) */
|
|
__be32 desc_len; /* Length of Descriptor (in bytes).
|
|
* Size of descriptor excluding
|
|
* desc_tag and desc_len fields.
|
|
*/
|
|
__be64 detecting_wwpn; /* Port Name that detected event */
|
|
__be64 attached_wwpn; /* Port Name of device attached to
|
|
* detecting Port Name
|
|
*/
|
|
__be16 event_type; /* see enum fc_fpin_congn_event_types */
|
|
__be16 event_modifier; /* Implementation specific value
|
|
* describing the event type
|
|
*/
|
|
__be32 event_period; /* duration (ms) of the detected
|
|
* congestion event
|
|
*/
|
|
__be32 pname_count; /* number of portname_list elements */
|
|
__be64 pname_list[]; /* list of N_Port_Names accessible
|
|
* through the attached port
|
|
*/
|
|
};
|
|
|
|
/*
|
|
* Congestion Notification Descriptor
|
|
*/
|
|
struct fc_fn_congn_desc {
|
|
__be32 desc_tag; /* Descriptor Tag (0x00020004) */
|
|
__be32 desc_len; /* Length of Descriptor (in bytes).
|
|
* Size of descriptor excluding
|
|
* desc_tag and desc_len fields.
|
|
*/
|
|
__be16 event_type; /* see enum fc_fpin_congn_event_types */
|
|
__be16 event_modifier; /* Implementation specific value
|
|
* describing the event type
|
|
*/
|
|
__be32 event_period; /* duration (ms) of the detected
|
|
* congestion event
|
|
*/
|
|
__u8 severity; /* command */
|
|
__u8 resv[3]; /* reserved - must be zero */
|
|
};
|
|
|
|
/*
|
|
* ELS_FPIN - Fabric Performance Impact Notification
|
|
*/
|
|
struct fc_els_fpin {
|
|
__u8 fpin_cmd; /* command (0x16) */
|
|
__u8 fpin_zero[3]; /* specified as zero - part of cmd */
|
|
__be32 desc_len; /* Length of Descriptor List (in bytes).
|
|
* Size of ELS excluding fpin_cmd,
|
|
* fpin_zero and desc_len fields.
|
|
*/
|
|
struct fc_tlv_desc fpin_desc[]; /* Descriptor list */
|
|
};
|
|
|
|
/* Diagnostic Function Descriptor - FPIN Registration */
|
|
struct fc_df_desc_fpin_reg {
|
|
__be32 desc_tag; /* FPIN Registration (0x00030001) */
|
|
__be32 desc_len; /* Length of Descriptor (in bytes).
|
|
* Size of descriptor excluding
|
|
* desc_tag and desc_len fields.
|
|
*/
|
|
__be32 count; /* Number of desc_tags elements */
|
|
__be32 desc_tags[]; /* Array of Descriptor Tags.
|
|
* Each tag indicates a function
|
|
* supported by the N_Port (request)
|
|
* or by the N_Port and Fabric
|
|
* Controller (reply; may be a subset
|
|
* of the request).
|
|
* See ELS_FN_DTAG_xxx for tag values.
|
|
*/
|
|
};
|
|
|
|
/*
|
|
* ELS_RDF - Register Diagnostic Functions
|
|
*/
|
|
struct fc_els_rdf {
|
|
__u8 fpin_cmd; /* command (0x19) */
|
|
__u8 fpin_zero[3]; /* specified as zero - part of cmd */
|
|
__be32 desc_len; /* Length of Descriptor List (in bytes).
|
|
* Size of ELS excluding fpin_cmd,
|
|
* fpin_zero and desc_len fields.
|
|
*/
|
|
struct fc_tlv_desc desc[]; /* Descriptor list */
|
|
};
|
|
|
|
/*
|
|
* ELS RDF LS_ACC Response.
|
|
*/
|
|
struct fc_els_rdf_resp {
|
|
struct fc_els_ls_acc acc_hdr;
|
|
__be32 desc_list_len; /* Length of response (in
|
|
* bytes). Excludes acc_hdr
|
|
* and desc_list_len fields.
|
|
*/
|
|
struct fc_els_lsri_desc lsri;
|
|
struct fc_tlv_desc desc[]; /* Supported Descriptor list */
|
|
};
|
|
|
|
|
|
/*
|
|
* Diagnostic Capability Descriptors for EDC ELS
|
|
*/
|
|
|
|
/*
|
|
* Diagnostic: Link Fault Capability Descriptor
|
|
*/
|
|
struct fc_diag_lnkflt_desc {
|
|
__be32 desc_tag; /* Descriptor Tag (0x0001000D) */
|
|
__be32 desc_len; /* Length of Descriptor (in bytes).
|
|
* Size of descriptor excluding
|
|
* desc_tag and desc_len fields.
|
|
* 12 bytes
|
|
*/
|
|
__be32 degrade_activate_threshold;
|
|
__be32 degrade_deactivate_threshold;
|
|
__be32 fec_degrade_interval;
|
|
};
|
|
|
|
enum fc_edc_cg_signal_cap_types {
|
|
/* Note: Capability: bits 31:4 Rsvd; bits 3:0 are capabilities */
|
|
EDC_CG_SIG_NOTSUPPORTED = 0x00, /* neither supported */
|
|
EDC_CG_SIG_WARN_ONLY = 0x01,
|
|
EDC_CG_SIG_WARN_ALARM = 0x02, /* both supported */
|
|
};
|
|
|
|
/*
|
|
* Initializer useful for decoding table.
|
|
* Please keep this in sync with the above definitions.
|
|
*/
|
|
#define FC_EDC_CG_SIGNAL_CAP_TYPES_INIT { \
|
|
{ EDC_CG_SIG_NOTSUPPORTED, "Signaling Not Supported" }, \
|
|
{ EDC_CG_SIG_WARN_ONLY, "Warning Signal" }, \
|
|
{ EDC_CG_SIG_WARN_ALARM, "Warning and Alarm Signals" }, \
|
|
}
|
|
|
|
enum fc_diag_cg_sig_freq_types {
|
|
EDC_CG_SIGFREQ_CNT_MIN = 1, /* Min Frequency Count */
|
|
EDC_CG_SIGFREQ_CNT_MAX = 999, /* Max Frequency Count */
|
|
|
|
EDC_CG_SIGFREQ_SEC = 0x1, /* Units: seconds */
|
|
EDC_CG_SIGFREQ_MSEC = 0x2, /* Units: milliseconds */
|
|
};
|
|
|
|
struct fc_diag_cg_sig_freq {
|
|
__be16 count; /* Time between signals
|
|
* note: upper 6 bits rsvd
|
|
*/
|
|
__be16 units; /* Time unit for count
|
|
* note: upper 12 bits rsvd
|
|
*/
|
|
};
|
|
|
|
/*
|
|
* Diagnostic: Congestion Signaling Capability Descriptor
|
|
*/
|
|
struct fc_diag_cg_sig_desc {
|
|
__be32 desc_tag; /* Descriptor Tag (0x0001000F) */
|
|
__be32 desc_len; /* Length of Descriptor (in bytes).
|
|
* Size of descriptor excluding
|
|
* desc_tag and desc_len fields.
|
|
* 16 bytes
|
|
*/
|
|
__be32 xmt_signal_capability;
|
|
struct fc_diag_cg_sig_freq xmt_signal_frequency;
|
|
__be32 rcv_signal_capability;
|
|
struct fc_diag_cg_sig_freq rcv_signal_frequency;
|
|
};
|
|
|
|
/*
|
|
* ELS_EDC - Exchange Diagnostic Capabilities
|
|
*/
|
|
struct fc_els_edc {
|
|
__u8 edc_cmd; /* command (0x17) */
|
|
__u8 edc_zero[3]; /* specified as zero - part of cmd */
|
|
__be32 desc_len; /* Length of Descriptor List (in bytes).
|
|
* Size of ELS excluding edc_cmd,
|
|
* edc_zero and desc_len fields.
|
|
*/
|
|
struct fc_tlv_desc desc[];
|
|
/* Diagnostic Descriptor list */
|
|
};
|
|
|
|
/*
|
|
* ELS EDC LS_ACC Response.
|
|
*/
|
|
struct fc_els_edc_resp {
|
|
struct fc_els_ls_acc acc_hdr;
|
|
__be32 desc_list_len; /* Length of response (in
|
|
* bytes). Excludes acc_hdr
|
|
* and desc_list_len fields.
|
|
*/
|
|
struct fc_els_lsri_desc lsri;
|
|
struct fc_tlv_desc desc[];
|
|
/* Supported Diagnostic Descriptor list */
|
|
};
|
|
|
|
|
|
#endif /* _FC_ELS_H_ */
|