1e2be04c7SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2cf028200SDavid Howells /*
3cf028200SDavid Howells * Copyright(c) 2007 Intel Corporation. All rights reserved.
4cf028200SDavid Howells *
5cf028200SDavid Howells * Maintained at www.Open-FCoE.org
6cf028200SDavid Howells */
7cf028200SDavid Howells
8cf028200SDavid Howells #ifndef _FC_ELS_H_
9cf028200SDavid Howells #define _FC_ELS_H_
10cf028200SDavid Howells
11cf028200SDavid Howells #include <linux/types.h>
1273ec6d27SJames Smart #include <asm/byteorder.h>
13cf028200SDavid Howells
14cf028200SDavid Howells /*
15cf028200SDavid Howells * Fibre Channel Switch - Enhanced Link Services definitions.
16cf028200SDavid Howells * From T11 FC-LS Rev 1.2 June 7, 2005.
17cf028200SDavid Howells */
18cf028200SDavid Howells
19cf028200SDavid Howells /*
20cf028200SDavid Howells * ELS Command codes - byte 0 of the frame payload
21cf028200SDavid Howells */
22cf028200SDavid Howells enum fc_els_cmd {
23cf028200SDavid Howells ELS_LS_RJT = 0x01, /* ESL reject */
24cf028200SDavid Howells ELS_LS_ACC = 0x02, /* ESL Accept */
25cf028200SDavid Howells ELS_PLOGI = 0x03, /* N_Port login */
26cf028200SDavid Howells ELS_FLOGI = 0x04, /* F_Port login */
27cf028200SDavid Howells ELS_LOGO = 0x05, /* Logout */
28cf028200SDavid Howells ELS_ABTX = 0x06, /* Abort exchange - obsolete */
29cf028200SDavid Howells ELS_RCS = 0x07, /* read connection status */
30cf028200SDavid Howells ELS_RES = 0x08, /* read exchange status block */
31cf028200SDavid Howells ELS_RSS = 0x09, /* read sequence status block */
32cf028200SDavid Howells ELS_RSI = 0x0a, /* read sequence initiative */
33cf028200SDavid Howells ELS_ESTS = 0x0b, /* establish streaming */
34cf028200SDavid Howells ELS_ESTC = 0x0c, /* estimate credit */
35cf028200SDavid Howells ELS_ADVC = 0x0d, /* advise credit */
36cf028200SDavid Howells ELS_RTV = 0x0e, /* read timeout value */
37cf028200SDavid Howells ELS_RLS = 0x0f, /* read link error status block */
38cf028200SDavid Howells ELS_ECHO = 0x10, /* echo */
39cf028200SDavid Howells ELS_TEST = 0x11, /* test */
40cf028200SDavid Howells ELS_RRQ = 0x12, /* reinstate recovery qualifier */
41cf028200SDavid Howells ELS_REC = 0x13, /* read exchange concise */
42cf028200SDavid Howells ELS_SRR = 0x14, /* sequence retransmission request */
43a7dff3adSJames Smart ELS_FPIN = 0x16, /* Fabric Performance Impact Notification */
4454404d35SJames Smart ELS_EDC = 0x17, /* Exchange Diagnostic Capabilities */
4562e9dd17SShyam Sundar ELS_RDP = 0x18, /* Read Diagnostic Parameters */
4673ec6d27SJames Smart ELS_RDF = 0x19, /* Register Diagnostic Functions */
47cf028200SDavid Howells ELS_PRLI = 0x20, /* process login */
48cf028200SDavid Howells ELS_PRLO = 0x21, /* process logout */
49cf028200SDavid Howells ELS_SCN = 0x22, /* state change notification */
50cf028200SDavid Howells ELS_TPLS = 0x23, /* test process login state */
51cf028200SDavid Howells ELS_TPRLO = 0x24, /* third party process logout */
52cf028200SDavid Howells ELS_LCLM = 0x25, /* login control list mgmt (obs) */
53cf028200SDavid Howells ELS_GAID = 0x30, /* get alias_ID */
54cf028200SDavid Howells ELS_FACT = 0x31, /* fabric activate alias_id */
55cf028200SDavid Howells ELS_FDACDT = 0x32, /* fabric deactivate alias_id */
56cf028200SDavid Howells ELS_NACT = 0x33, /* N-port activate alias_id */
57cf028200SDavid Howells ELS_NDACT = 0x34, /* N-port deactivate alias_id */
58cf028200SDavid Howells ELS_QOSR = 0x40, /* quality of service request */
59cf028200SDavid Howells ELS_RVCS = 0x41, /* read virtual circuit status */
60cf028200SDavid Howells ELS_PDISC = 0x50, /* discover N_port service params */
61cf028200SDavid Howells ELS_FDISC = 0x51, /* discover F_port service params */
62cf028200SDavid Howells ELS_ADISC = 0x52, /* discover address */
63cf028200SDavid Howells ELS_RNC = 0x53, /* report node cap (obs) */
64cf028200SDavid Howells ELS_FARP_REQ = 0x54, /* FC ARP request */
65cf028200SDavid Howells ELS_FARP_REPL = 0x55, /* FC ARP reply */
66cf028200SDavid Howells ELS_RPS = 0x56, /* read port status block */
67cf028200SDavid Howells ELS_RPL = 0x57, /* read port list */
68cf028200SDavid Howells ELS_RPBC = 0x58, /* read port buffer condition */
69cf028200SDavid Howells ELS_FAN = 0x60, /* fabric address notification */
70cf028200SDavid Howells ELS_RSCN = 0x61, /* registered state change notification */
71cf028200SDavid Howells ELS_SCR = 0x62, /* state change registration */
72cf028200SDavid Howells ELS_RNFT = 0x63, /* report node FC-4 types */
73cf028200SDavid Howells ELS_CSR = 0x68, /* clock synch. request */
74cf028200SDavid Howells ELS_CSU = 0x69, /* clock synch. update */
75cf028200SDavid Howells ELS_LINIT = 0x70, /* loop initialize */
76cf028200SDavid Howells ELS_LSTS = 0x72, /* loop status */
77cf028200SDavid Howells ELS_RNID = 0x78, /* request node ID data */
78cf028200SDavid Howells ELS_RLIR = 0x79, /* registered link incident report */
79cf028200SDavid Howells ELS_LIRR = 0x7a, /* link incident record registration */
80cf028200SDavid Howells ELS_SRL = 0x7b, /* scan remote loop */
81cf028200SDavid Howells ELS_SBRP = 0x7c, /* set bit-error reporting params */
82cf028200SDavid Howells ELS_RPSC = 0x7d, /* report speed capabilities */
83cf028200SDavid Howells ELS_QSA = 0x7e, /* query security attributes */
84cf028200SDavid Howells ELS_EVFP = 0x7f, /* exchange virt. fabrics params */
85cf028200SDavid Howells ELS_LKA = 0x80, /* link keep-alive */
86cf028200SDavid Howells ELS_AUTH_ELS = 0x90, /* authentication ELS */
87cf028200SDavid Howells };
88cf028200SDavid Howells
89cf028200SDavid Howells /*
90cf028200SDavid Howells * Initializer useful for decoding table.
91cf028200SDavid Howells * Please keep this in sync with the above definitions.
92cf028200SDavid Howells */
93cf028200SDavid Howells #define FC_ELS_CMDS_INIT { \
94cf028200SDavid Howells [ELS_LS_RJT] = "LS_RJT", \
95cf028200SDavid Howells [ELS_LS_ACC] = "LS_ACC", \
96cf028200SDavid Howells [ELS_PLOGI] = "PLOGI", \
97cf028200SDavid Howells [ELS_FLOGI] = "FLOGI", \
98cf028200SDavid Howells [ELS_LOGO] = "LOGO", \
99cf028200SDavid Howells [ELS_ABTX] = "ABTX", \
100cf028200SDavid Howells [ELS_RCS] = "RCS", \
101cf028200SDavid Howells [ELS_RES] = "RES", \
102cf028200SDavid Howells [ELS_RSS] = "RSS", \
103cf028200SDavid Howells [ELS_RSI] = "RSI", \
104cf028200SDavid Howells [ELS_ESTS] = "ESTS", \
105cf028200SDavid Howells [ELS_ESTC] = "ESTC", \
106cf028200SDavid Howells [ELS_ADVC] = "ADVC", \
107cf028200SDavid Howells [ELS_RTV] = "RTV", \
108cf028200SDavid Howells [ELS_RLS] = "RLS", \
109cf028200SDavid Howells [ELS_ECHO] = "ECHO", \
110cf028200SDavid Howells [ELS_TEST] = "TEST", \
111cf028200SDavid Howells [ELS_RRQ] = "RRQ", \
112cf028200SDavid Howells [ELS_REC] = "REC", \
113cf028200SDavid Howells [ELS_SRR] = "SRR", \
114a7dff3adSJames Smart [ELS_FPIN] = "FPIN", \
11554404d35SJames Smart [ELS_EDC] = "EDC", \
11662e9dd17SShyam Sundar [ELS_RDP] = "RDP", \
11773ec6d27SJames Smart [ELS_RDF] = "RDF", \
118cf028200SDavid Howells [ELS_PRLI] = "PRLI", \
119cf028200SDavid Howells [ELS_PRLO] = "PRLO", \
120cf028200SDavid Howells [ELS_SCN] = "SCN", \
121cf028200SDavid Howells [ELS_TPLS] = "TPLS", \
122cf028200SDavid Howells [ELS_TPRLO] = "TPRLO", \
123cf028200SDavid Howells [ELS_LCLM] = "LCLM", \
124cf028200SDavid Howells [ELS_GAID] = "GAID", \
125cf028200SDavid Howells [ELS_FACT] = "FACT", \
126cf028200SDavid Howells [ELS_FDACDT] = "FDACDT", \
127cf028200SDavid Howells [ELS_NACT] = "NACT", \
128cf028200SDavid Howells [ELS_NDACT] = "NDACT", \
129cf028200SDavid Howells [ELS_QOSR] = "QOSR", \
130cf028200SDavid Howells [ELS_RVCS] = "RVCS", \
131cf028200SDavid Howells [ELS_PDISC] = "PDISC", \
132cf028200SDavid Howells [ELS_FDISC] = "FDISC", \
133cf028200SDavid Howells [ELS_ADISC] = "ADISC", \
134cf028200SDavid Howells [ELS_RNC] = "RNC", \
135cf028200SDavid Howells [ELS_FARP_REQ] = "FARP_REQ", \
136cf028200SDavid Howells [ELS_FARP_REPL] = "FARP_REPL", \
137cf028200SDavid Howells [ELS_RPS] = "RPS", \
138cf028200SDavid Howells [ELS_RPL] = "RPL", \
139cf028200SDavid Howells [ELS_RPBC] = "RPBC", \
140cf028200SDavid Howells [ELS_FAN] = "FAN", \
141cf028200SDavid Howells [ELS_RSCN] = "RSCN", \
142cf028200SDavid Howells [ELS_SCR] = "SCR", \
143cf028200SDavid Howells [ELS_RNFT] = "RNFT", \
144cf028200SDavid Howells [ELS_CSR] = "CSR", \
145cf028200SDavid Howells [ELS_CSU] = "CSU", \
146cf028200SDavid Howells [ELS_LINIT] = "LINIT", \
147cf028200SDavid Howells [ELS_LSTS] = "LSTS", \
148cf028200SDavid Howells [ELS_RNID] = "RNID", \
149cf028200SDavid Howells [ELS_RLIR] = "RLIR", \
150cf028200SDavid Howells [ELS_LIRR] = "LIRR", \
151cf028200SDavid Howells [ELS_SRL] = "SRL", \
152cf028200SDavid Howells [ELS_SBRP] = "SBRP", \
153cf028200SDavid Howells [ELS_RPSC] = "RPSC", \
154cf028200SDavid Howells [ELS_QSA] = "QSA", \
155cf028200SDavid Howells [ELS_EVFP] = "EVFP", \
156cf028200SDavid Howells [ELS_LKA] = "LKA", \
157cf028200SDavid Howells [ELS_AUTH_ELS] = "AUTH_ELS", \
158cf028200SDavid Howells }
159cf028200SDavid Howells
160cf028200SDavid Howells /*
161cf028200SDavid Howells * LS_ACC payload.
162cf028200SDavid Howells */
163cf028200SDavid Howells struct fc_els_ls_acc {
164cf028200SDavid Howells __u8 la_cmd; /* command code ELS_LS_ACC */
165cf028200SDavid Howells __u8 la_resv[3]; /* reserved */
166cf028200SDavid Howells };
167cf028200SDavid Howells
168cf028200SDavid Howells /*
169cf028200SDavid Howells * ELS reject payload.
170cf028200SDavid Howells */
171cf028200SDavid Howells struct fc_els_ls_rjt {
172cf028200SDavid Howells __u8 er_cmd; /* command code ELS_LS_RJT */
173cf028200SDavid Howells __u8 er_resv[4]; /* reserved must be zero */
174cf028200SDavid Howells __u8 er_reason; /* reason (enum fc_els_rjt_reason below) */
175cf028200SDavid Howells __u8 er_explan; /* explanation (enum fc_els_rjt_explan below) */
176cf028200SDavid Howells __u8 er_vendor; /* vendor specific code */
177cf028200SDavid Howells };
178cf028200SDavid Howells
179cf028200SDavid Howells /*
180cf028200SDavid Howells * ELS reject reason codes (er_reason).
181cf028200SDavid Howells */
182cf028200SDavid Howells enum fc_els_rjt_reason {
183cf028200SDavid Howells ELS_RJT_NONE = 0, /* no reject - not to be sent */
184cf028200SDavid Howells ELS_RJT_INVAL = 0x01, /* invalid ELS command code */
185cf028200SDavid Howells ELS_RJT_LOGIC = 0x03, /* logical error */
186cf028200SDavid Howells ELS_RJT_BUSY = 0x05, /* logical busy */
187cf028200SDavid Howells ELS_RJT_PROT = 0x07, /* protocol error */
188cf028200SDavid Howells ELS_RJT_UNAB = 0x09, /* unable to perform command request */
189cf028200SDavid Howells ELS_RJT_UNSUP = 0x0b, /* command not supported */
190cf028200SDavid Howells ELS_RJT_INPROG = 0x0e, /* command already in progress */
191cf028200SDavid Howells ELS_RJT_FIP = 0x20, /* FIP error */
192cf028200SDavid Howells ELS_RJT_VENDOR = 0xff, /* vendor specific error */
193cf028200SDavid Howells };
194cf028200SDavid Howells
195cf028200SDavid Howells
196cf028200SDavid Howells /*
197cf028200SDavid Howells * reason code explanation (er_explan).
198cf028200SDavid Howells */
199cf028200SDavid Howells enum fc_els_rjt_explan {
200cf028200SDavid Howells ELS_EXPL_NONE = 0x00, /* No additional explanation */
201cf028200SDavid Howells ELS_EXPL_SPP_OPT_ERR = 0x01, /* service parameter error - options */
202cf028200SDavid Howells ELS_EXPL_SPP_ICTL_ERR = 0x03, /* service parm error - initiator ctl */
203cf028200SDavid Howells ELS_EXPL_AH = 0x11, /* invalid association header */
204cf028200SDavid Howells ELS_EXPL_AH_REQ = 0x13, /* association_header required */
205cf028200SDavid Howells ELS_EXPL_SID = 0x15, /* invalid originator S_ID */
206cf028200SDavid Howells ELS_EXPL_OXID_RXID = 0x17, /* invalid OX_ID-RX_ID combination */
207cf028200SDavid Howells ELS_EXPL_INPROG = 0x19, /* Request already in progress */
208cf028200SDavid Howells ELS_EXPL_PLOGI_REQD = 0x1e, /* N_Port login required */
209cf028200SDavid Howells ELS_EXPL_INSUF_RES = 0x29, /* insufficient resources */
210cf028200SDavid Howells ELS_EXPL_UNAB_DATA = 0x2a, /* unable to supply requested data */
211cf028200SDavid Howells ELS_EXPL_UNSUPR = 0x2c, /* Request not supported */
212cf028200SDavid Howells ELS_EXPL_INV_LEN = 0x2d, /* Invalid payload length */
213cf028200SDavid Howells ELS_EXPL_NOT_NEIGHBOR = 0x62, /* VN2VN_Port not in neighbor set */
214cf028200SDavid Howells /* TBD - above definitions incomplete */
215cf028200SDavid Howells };
216cf028200SDavid Howells
217cf028200SDavid Howells /*
21873ec6d27SJames Smart * Link Service TLV Descriptor Tag Values
21973ec6d27SJames Smart */
22073ec6d27SJames Smart enum fc_ls_tlv_dtag {
22173ec6d27SJames Smart ELS_DTAG_LS_REQ_INFO = 0x00000001,
22273ec6d27SJames Smart /* Link Service Request Information Descriptor */
22354404d35SJames Smart ELS_DTAG_LNK_FAULT_CAP = 0x0001000D,
22454404d35SJames Smart /* Link Fault Capability Descriptor */
22554404d35SJames Smart ELS_DTAG_CG_SIGNAL_CAP = 0x0001000F,
22654404d35SJames Smart /* Congestion Signaling Capability Descriptor */
22773ec6d27SJames Smart ELS_DTAG_LNK_INTEGRITY = 0x00020001,
22873ec6d27SJames Smart /* Link Integrity Notification Descriptor */
22973ec6d27SJames Smart ELS_DTAG_DELIVERY = 0x00020002,
23073ec6d27SJames Smart /* Delivery Notification Descriptor */
23173ec6d27SJames Smart ELS_DTAG_PEER_CONGEST = 0x00020003,
23273ec6d27SJames Smart /* Peer Congestion Notification Descriptor */
23373ec6d27SJames Smart ELS_DTAG_CONGESTION = 0x00020004,
23473ec6d27SJames Smart /* Congestion Notification Descriptor */
23573ec6d27SJames Smart ELS_DTAG_FPIN_REGISTER = 0x00030001,
23673ec6d27SJames Smart /* FPIN Registration Descriptor */
23773ec6d27SJames Smart };
23873ec6d27SJames Smart
23973ec6d27SJames Smart /*
24073ec6d27SJames Smart * Initializer useful for decoding table.
24173ec6d27SJames Smart * Please keep this in sync with the above definitions.
24273ec6d27SJames Smart */
24373ec6d27SJames Smart #define FC_LS_TLV_DTAG_INIT { \
24473ec6d27SJames Smart { ELS_DTAG_LS_REQ_INFO, "Link Service Request Information" }, \
24554404d35SJames Smart { ELS_DTAG_LNK_FAULT_CAP, "Link Fault Capability" }, \
24654404d35SJames Smart { ELS_DTAG_CG_SIGNAL_CAP, "Congestion Signaling Capability" }, \
24773ec6d27SJames Smart { ELS_DTAG_LNK_INTEGRITY, "Link Integrity Notification" }, \
24873ec6d27SJames Smart { ELS_DTAG_DELIVERY, "Delivery Notification Present" }, \
24973ec6d27SJames Smart { ELS_DTAG_PEER_CONGEST, "Peer Congestion Notification" }, \
25073ec6d27SJames Smart { ELS_DTAG_CONGESTION, "Congestion Notification" }, \
25173ec6d27SJames Smart { ELS_DTAG_FPIN_REGISTER, "FPIN Registration" }, \
25273ec6d27SJames Smart }
25373ec6d27SJames Smart
25473ec6d27SJames Smart
25573ec6d27SJames Smart /*
25673ec6d27SJames Smart * Generic Link Service TLV Descriptor format
25773ec6d27SJames Smart *
25873ec6d27SJames Smart * This structure, as it defines no payload, will also be referred to
25973ec6d27SJames Smart * as the "tlv header" - which contains the tag and len fields.
26073ec6d27SJames Smart */
26173ec6d27SJames Smart struct fc_tlv_desc {
26273ec6d27SJames Smart __be32 desc_tag; /* Notification Descriptor Tag */
26373ec6d27SJames Smart __be32 desc_len; /* Length of Descriptor (in bytes).
26473ec6d27SJames Smart * Size of descriptor excluding
26573ec6d27SJames Smart * desc_tag and desc_len fields.
26673ec6d27SJames Smart */
267*94dfc73eSGustavo A. R. Silva __u8 desc_value[]; /* Descriptor Value */
26873ec6d27SJames Smart };
26973ec6d27SJames Smart
27073ec6d27SJames Smart /* Descriptor tag and len fields are considered the mandatory header
27173ec6d27SJames Smart * for a descriptor
27273ec6d27SJames Smart */
27373ec6d27SJames Smart #define FC_TLV_DESC_HDR_SZ sizeof(struct fc_tlv_desc)
27473ec6d27SJames Smart
27573ec6d27SJames Smart /*
27673ec6d27SJames Smart * Macro, used when initializing payloads, to return the descriptor length.
27773ec6d27SJames Smart * Length is size of descriptor minus the tag and len fields.
27873ec6d27SJames Smart */
27973ec6d27SJames Smart #define FC_TLV_DESC_LENGTH_FROM_SZ(desc) \
28073ec6d27SJames Smart (sizeof(desc) - FC_TLV_DESC_HDR_SZ)
28173ec6d27SJames Smart
28273ec6d27SJames Smart /* Macro, used on received payloads, to return the descriptor length */
28373ec6d27SJames Smart #define FC_TLV_DESC_SZ_FROM_LENGTH(tlv) \
28473ec6d27SJames Smart (__be32_to_cpu((tlv)->desc_len) + FC_TLV_DESC_HDR_SZ)
28573ec6d27SJames Smart
28673ec6d27SJames Smart /*
28773ec6d27SJames Smart * This helper is used to walk descriptors in a descriptor list.
28873ec6d27SJames Smart * Given the address of the current descriptor, which minimally contains a
28973ec6d27SJames Smart * tag and len field, calculate the address of the next descriptor based
29073ec6d27SJames Smart * on the len field.
29173ec6d27SJames Smart */
fc_tlv_next_desc(void * desc)29273ec6d27SJames Smart static inline void *fc_tlv_next_desc(void *desc)
29373ec6d27SJames Smart {
29473ec6d27SJames Smart struct fc_tlv_desc *tlv = desc;
29573ec6d27SJames Smart
29673ec6d27SJames Smart return (desc + FC_TLV_DESC_SZ_FROM_LENGTH(tlv));
29773ec6d27SJames Smart }
29873ec6d27SJames Smart
29973ec6d27SJames Smart
30073ec6d27SJames Smart /*
30173ec6d27SJames Smart * Link Service Request Information Descriptor
30273ec6d27SJames Smart */
30373ec6d27SJames Smart struct fc_els_lsri_desc {
30473ec6d27SJames Smart __be32 desc_tag; /* descriptor tag (0x0000 0001) */
30573ec6d27SJames Smart __be32 desc_len; /* Length of Descriptor (in bytes) (4).
30673ec6d27SJames Smart * Size of descriptor excluding
30773ec6d27SJames Smart * desc_tag and desc_len fields.
30873ec6d27SJames Smart */
30973ec6d27SJames Smart struct {
31073ec6d27SJames Smart __u8 cmd; /* ELS cmd byte */
31173ec6d27SJames Smart __u8 bytes[3]; /* bytes 1..3 */
31273ec6d27SJames Smart } rqst_w0; /* Request word 0 */
31373ec6d27SJames Smart };
31473ec6d27SJames Smart
31573ec6d27SJames Smart
31673ec6d27SJames Smart /*
317cf028200SDavid Howells * Common service parameters (N ports).
318cf028200SDavid Howells */
319cf028200SDavid Howells struct fc_els_csp {
320cf028200SDavid Howells __u8 sp_hi_ver; /* highest version supported (obs.) */
321cf028200SDavid Howells __u8 sp_lo_ver; /* highest version supported (obs.) */
322cf028200SDavid Howells __be16 sp_bb_cred; /* buffer-to-buffer credits */
323cf028200SDavid Howells __be16 sp_features; /* common feature flags */
324cf028200SDavid Howells __be16 sp_bb_data; /* b-b state number and data field sz */
325cf028200SDavid Howells union {
326cf028200SDavid Howells struct {
327cf028200SDavid Howells __be16 _sp_tot_seq; /* total concurrent sequences */
328cf028200SDavid Howells __be16 _sp_rel_off; /* rel. offset by info cat */
329cf028200SDavid Howells } sp_plogi;
330cf028200SDavid Howells struct {
331cf028200SDavid Howells __be32 _sp_r_a_tov; /* resource alloc. timeout msec */
332cf028200SDavid Howells } sp_flogi_acc;
333cf028200SDavid Howells } sp_u;
334cf028200SDavid Howells __be32 sp_e_d_tov; /* error detect timeout value */
335cf028200SDavid Howells };
336cf028200SDavid Howells #define sp_tot_seq sp_u.sp_plogi._sp_tot_seq
337cf028200SDavid Howells #define sp_rel_off sp_u.sp_plogi._sp_rel_off
338cf028200SDavid Howells #define sp_r_a_tov sp_u.sp_flogi_acc._sp_r_a_tov
339cf028200SDavid Howells
340cf028200SDavid Howells #define FC_SP_BB_DATA_MASK 0xfff /* mask for data field size in sp_bb_data */
341cf028200SDavid Howells
342cf028200SDavid Howells /*
343cf028200SDavid Howells * Minimum and maximum values for max data field size in service parameters.
344cf028200SDavid Howells */
345cf028200SDavid Howells #define FC_SP_MIN_MAX_PAYLOAD FC_MIN_MAX_PAYLOAD
346cf028200SDavid Howells #define FC_SP_MAX_MAX_PAYLOAD FC_MAX_PAYLOAD
347cf028200SDavid Howells
348cf028200SDavid Howells /*
349cf028200SDavid Howells * sp_features
350cf028200SDavid Howells */
351cf028200SDavid Howells #define FC_SP_FT_NPIV 0x8000 /* multiple N_Port_ID support (FLOGI) */
352cf028200SDavid Howells #define FC_SP_FT_CIRO 0x8000 /* continuously increasing rel off (PLOGI) */
353cf028200SDavid Howells #define FC_SP_FT_CLAD 0x8000 /* clean address (in FLOGI LS_ACC) */
354cf028200SDavid Howells #define FC_SP_FT_RAND 0x4000 /* random relative offset */
355cf028200SDavid Howells #define FC_SP_FT_VAL 0x2000 /* valid vendor version level */
356cf028200SDavid Howells #define FC_SP_FT_NPIV_ACC 0x2000 /* NPIV assignment (FLOGI LS_ACC) */
357cf028200SDavid Howells #define FC_SP_FT_FPORT 0x1000 /* F port (1) vs. N port (0) */
358cf028200SDavid Howells #define FC_SP_FT_ABB 0x0800 /* alternate BB_credit management */
359cf028200SDavid Howells #define FC_SP_FT_EDTR 0x0400 /* E_D_TOV Resolution is nanoseconds */
360cf028200SDavid Howells #define FC_SP_FT_MCAST 0x0200 /* multicast */
361cf028200SDavid Howells #define FC_SP_FT_BCAST 0x0100 /* broadcast */
362cf028200SDavid Howells #define FC_SP_FT_HUNT 0x0080 /* hunt group */
363cf028200SDavid Howells #define FC_SP_FT_SIMP 0x0040 /* dedicated simplex */
364cf028200SDavid Howells #define FC_SP_FT_SEC 0x0020 /* reserved for security */
365cf028200SDavid Howells #define FC_SP_FT_CSYN 0x0010 /* clock synch. supported */
366cf028200SDavid Howells #define FC_SP_FT_RTTOV 0x0008 /* R_T_TOV value 100 uS, else 100 mS */
367cf028200SDavid Howells #define FC_SP_FT_HALF 0x0004 /* dynamic half duplex */
368cf028200SDavid Howells #define FC_SP_FT_SEQC 0x0002 /* SEQ_CNT */
369cf028200SDavid Howells #define FC_SP_FT_PAYL 0x0001 /* FLOGI payload length 256, else 116 */
370cf028200SDavid Howells
371cf028200SDavid Howells /*
372cf028200SDavid Howells * Class-specific service parameters.
373cf028200SDavid Howells */
374cf028200SDavid Howells struct fc_els_cssp {
375cf028200SDavid Howells __be16 cp_class; /* class flags */
376cf028200SDavid Howells __be16 cp_init; /* initiator flags */
377cf028200SDavid Howells __be16 cp_recip; /* recipient flags */
378cf028200SDavid Howells __be16 cp_rdfs; /* receive data field size */
379cf028200SDavid Howells __be16 cp_con_seq; /* concurrent sequences */
380cf028200SDavid Howells __be16 cp_ee_cred; /* N-port end-to-end credit */
381cf028200SDavid Howells __u8 cp_resv1; /* reserved */
382cf028200SDavid Howells __u8 cp_open_seq; /* open sequences per exchange */
383cf028200SDavid Howells __u8 _cp_resv2[2]; /* reserved */
384cf028200SDavid Howells };
385cf028200SDavid Howells
386cf028200SDavid Howells /*
387cf028200SDavid Howells * cp_class flags.
388cf028200SDavid Howells */
389cf028200SDavid Howells #define FC_CPC_VALID 0x8000 /* class valid */
390cf028200SDavid Howells #define FC_CPC_IMIX 0x4000 /* intermix mode */
391cf028200SDavid Howells #define FC_CPC_SEQ 0x0800 /* sequential delivery */
392cf028200SDavid Howells #define FC_CPC_CAMP 0x0200 /* camp-on */
393cf028200SDavid Howells #define FC_CPC_PRI 0x0080 /* priority */
394cf028200SDavid Howells
395cf028200SDavid Howells /*
396cf028200SDavid Howells * cp_init flags.
397cf028200SDavid Howells * (TBD: not all flags defined here).
398cf028200SDavid Howells */
399cf028200SDavid Howells #define FC_CPI_CSYN 0x0010 /* clock synch. capable */
400cf028200SDavid Howells
401cf028200SDavid Howells /*
402cf028200SDavid Howells * cp_recip flags.
403cf028200SDavid Howells */
404cf028200SDavid Howells #define FC_CPR_CSYN 0x0008 /* clock synch. capable */
405cf028200SDavid Howells
406cf028200SDavid Howells /*
407cf028200SDavid Howells * NFC_ELS_FLOGI: Fabric login request.
408cf028200SDavid Howells * NFC_ELS_PLOGI: Port login request (same format).
409cf028200SDavid Howells */
410cf028200SDavid Howells struct fc_els_flogi {
411cf028200SDavid Howells __u8 fl_cmd; /* command */
412cf028200SDavid Howells __u8 _fl_resvd[3]; /* must be zero */
413cf028200SDavid Howells struct fc_els_csp fl_csp; /* common service parameters */
414cf028200SDavid Howells __be64 fl_wwpn; /* port name */
415cf028200SDavid Howells __be64 fl_wwnn; /* node name */
416cf028200SDavid Howells struct fc_els_cssp fl_cssp[4]; /* class 1-4 service parameters */
417cf028200SDavid Howells __u8 fl_vend[16]; /* vendor version level */
418cf028200SDavid Howells } __attribute__((__packed__));
419cf028200SDavid Howells
420cf028200SDavid Howells /*
421cf028200SDavid Howells * Process login service parameter page.
422cf028200SDavid Howells */
423cf028200SDavid Howells struct fc_els_spp {
424cf028200SDavid Howells __u8 spp_type; /* type code or common service params */
425cf028200SDavid Howells __u8 spp_type_ext; /* type code extension */
426cf028200SDavid Howells __u8 spp_flags;
427cf028200SDavid Howells __u8 _spp_resvd;
428cf028200SDavid Howells __be32 spp_orig_pa; /* originator process associator */
429cf028200SDavid Howells __be32 spp_resp_pa; /* responder process associator */
430cf028200SDavid Howells __be32 spp_params; /* service parameters */
431cf028200SDavid Howells };
432cf028200SDavid Howells
433cf028200SDavid Howells /*
434cf028200SDavid Howells * spp_flags.
435cf028200SDavid Howells */
436cf028200SDavid Howells #define FC_SPP_OPA_VAL 0x80 /* originator proc. assoc. valid */
437cf028200SDavid Howells #define FC_SPP_RPA_VAL 0x40 /* responder proc. assoc. valid */
438cf028200SDavid Howells #define FC_SPP_EST_IMG_PAIR 0x20 /* establish image pair */
439cf028200SDavid Howells #define FC_SPP_RESP_MASK 0x0f /* mask for response code (below) */
440cf028200SDavid Howells
441cf028200SDavid Howells /*
442cf028200SDavid Howells * SPP response code in spp_flags - lower 4 bits.
443cf028200SDavid Howells */
444cf028200SDavid Howells enum fc_els_spp_resp {
445cf028200SDavid Howells FC_SPP_RESP_ACK = 1, /* request executed */
446cf028200SDavid Howells FC_SPP_RESP_RES = 2, /* unable due to lack of resources */
447cf028200SDavid Howells FC_SPP_RESP_INIT = 3, /* initialization not complete */
448cf028200SDavid Howells FC_SPP_RESP_NO_PA = 4, /* unknown process associator */
449cf028200SDavid Howells FC_SPP_RESP_CONF = 5, /* configuration precludes image pair */
450cf028200SDavid Howells FC_SPP_RESP_COND = 6, /* request completed conditionally */
451cf028200SDavid Howells FC_SPP_RESP_MULT = 7, /* unable to handle multiple SPPs */
452cf028200SDavid Howells FC_SPP_RESP_INVL = 8, /* SPP is invalid */
453cf028200SDavid Howells };
454cf028200SDavid Howells
455cf028200SDavid Howells /*
456cf028200SDavid Howells * ELS_RRQ - Reinstate Recovery Qualifier
457cf028200SDavid Howells */
458cf028200SDavid Howells struct fc_els_rrq {
459cf028200SDavid Howells __u8 rrq_cmd; /* command (0x12) */
460cf028200SDavid Howells __u8 rrq_zero[3]; /* specified as zero - part of cmd */
461cf028200SDavid Howells __u8 rrq_resvd; /* reserved */
462cf028200SDavid Howells __u8 rrq_s_id[3]; /* originator FID */
463cf028200SDavid Howells __be16 rrq_ox_id; /* originator exchange ID */
464cf028200SDavid Howells __be16 rrq_rx_id; /* responders exchange ID */
465cf028200SDavid Howells };
466cf028200SDavid Howells
467cf028200SDavid Howells /*
468cf028200SDavid Howells * ELS_REC - Read exchange concise.
469cf028200SDavid Howells */
470cf028200SDavid Howells struct fc_els_rec {
471cf028200SDavid Howells __u8 rec_cmd; /* command (0x13) */
472cf028200SDavid Howells __u8 rec_zero[3]; /* specified as zero - part of cmd */
473cf028200SDavid Howells __u8 rec_resvd; /* reserved */
474cf028200SDavid Howells __u8 rec_s_id[3]; /* originator FID */
475cf028200SDavid Howells __be16 rec_ox_id; /* originator exchange ID */
476cf028200SDavid Howells __be16 rec_rx_id; /* responders exchange ID */
477cf028200SDavid Howells };
478cf028200SDavid Howells
479cf028200SDavid Howells /*
480cf028200SDavid Howells * ELS_REC LS_ACC payload.
481cf028200SDavid Howells */
482cf028200SDavid Howells struct fc_els_rec_acc {
483cf028200SDavid Howells __u8 reca_cmd; /* accept (0x02) */
484cf028200SDavid Howells __u8 reca_zero[3]; /* specified as zero - part of cmd */
485cf028200SDavid Howells __be16 reca_ox_id; /* originator exchange ID */
486cf028200SDavid Howells __be16 reca_rx_id; /* responders exchange ID */
487cf028200SDavid Howells __u8 reca_resvd1; /* reserved */
488cf028200SDavid Howells __u8 reca_ofid[3]; /* originator FID */
489cf028200SDavid Howells __u8 reca_resvd2; /* reserved */
490cf028200SDavid Howells __u8 reca_rfid[3]; /* responder FID */
491cf028200SDavid Howells __be32 reca_fc4value; /* FC4 value */
492cf028200SDavid Howells __be32 reca_e_stat; /* ESB (exchange status block) status */
493cf028200SDavid Howells };
494cf028200SDavid Howells
495cf028200SDavid Howells /*
496cf028200SDavid Howells * ELS_PRLI - Process login request and response.
497cf028200SDavid Howells */
498cf028200SDavid Howells struct fc_els_prli {
499cf028200SDavid Howells __u8 prli_cmd; /* command */
500cf028200SDavid Howells __u8 prli_spp_len; /* length of each serv. parm. page */
501cf028200SDavid Howells __be16 prli_len; /* length of entire payload */
502cf028200SDavid Howells /* service parameter pages follow */
503cf028200SDavid Howells };
504cf028200SDavid Howells
505cf028200SDavid Howells /*
506cf028200SDavid Howells * ELS_PRLO - Process logout request and response.
507cf028200SDavid Howells */
508cf028200SDavid Howells struct fc_els_prlo {
509cf028200SDavid Howells __u8 prlo_cmd; /* command */
510cf028200SDavid Howells __u8 prlo_obs; /* obsolete, but shall be set to 10h */
511cf028200SDavid Howells __be16 prlo_len; /* payload length */
512cf028200SDavid Howells };
513cf028200SDavid Howells
514cf028200SDavid Howells /*
515cf028200SDavid Howells * ELS_ADISC payload
516cf028200SDavid Howells */
517cf028200SDavid Howells struct fc_els_adisc {
518cf028200SDavid Howells __u8 adisc_cmd;
519cf028200SDavid Howells __u8 adisc_resv[3];
520cf028200SDavid Howells __u8 adisc_resv1;
521cf028200SDavid Howells __u8 adisc_hard_addr[3];
522cf028200SDavid Howells __be64 adisc_wwpn;
523cf028200SDavid Howells __be64 adisc_wwnn;
524cf028200SDavid Howells __u8 adisc_resv2;
525cf028200SDavid Howells __u8 adisc_port_id[3];
526cf028200SDavid Howells } __attribute__((__packed__));
527cf028200SDavid Howells
528cf028200SDavid Howells /*
529cf028200SDavid Howells * ELS_LOGO - process or fabric logout.
530cf028200SDavid Howells */
531cf028200SDavid Howells struct fc_els_logo {
532cf028200SDavid Howells __u8 fl_cmd; /* command code */
533cf028200SDavid Howells __u8 fl_zero[3]; /* specified as zero - part of cmd */
534cf028200SDavid Howells __u8 fl_resvd; /* reserved */
535cf028200SDavid Howells __u8 fl_n_port_id[3];/* N port ID */
536cf028200SDavid Howells __be64 fl_n_port_wwn; /* port name */
537cf028200SDavid Howells };
538cf028200SDavid Howells
539cf028200SDavid Howells /*
540cf028200SDavid Howells * ELS_RTV - read timeout value.
541cf028200SDavid Howells */
542cf028200SDavid Howells struct fc_els_rtv {
543cf028200SDavid Howells __u8 rtv_cmd; /* command code 0x0e */
544cf028200SDavid Howells __u8 rtv_zero[3]; /* specified as zero - part of cmd */
545cf028200SDavid Howells };
546cf028200SDavid Howells
547cf028200SDavid Howells /*
548cf028200SDavid Howells * LS_ACC for ELS_RTV - read timeout value.
549cf028200SDavid Howells */
550cf028200SDavid Howells struct fc_els_rtv_acc {
551cf028200SDavid Howells __u8 rtv_cmd; /* command code 0x02 */
552cf028200SDavid Howells __u8 rtv_zero[3]; /* specified as zero - part of cmd */
553cf028200SDavid Howells __be32 rtv_r_a_tov; /* resource allocation timeout value */
554cf028200SDavid Howells __be32 rtv_e_d_tov; /* error detection timeout value */
555cf028200SDavid Howells __be32 rtv_toq; /* timeout qualifier (see below) */
556cf028200SDavid Howells };
557cf028200SDavid Howells
558cf028200SDavid Howells /*
559cf028200SDavid Howells * rtv_toq bits.
560cf028200SDavid Howells */
561cf028200SDavid Howells #define FC_ELS_RTV_EDRES (1 << 26) /* E_D_TOV resolution is nS else mS */
562cf028200SDavid Howells #define FC_ELS_RTV_RTTOV (1 << 19) /* R_T_TOV is 100 uS else 100 mS */
563cf028200SDavid Howells
564cf028200SDavid Howells /*
565cf028200SDavid Howells * ELS_SCR - state change registration payload.
566cf028200SDavid Howells */
567cf028200SDavid Howells struct fc_els_scr {
568cf028200SDavid Howells __u8 scr_cmd; /* command code */
569cf028200SDavid Howells __u8 scr_resv[6]; /* reserved */
570cf028200SDavid Howells __u8 scr_reg_func; /* registration function (see below) */
571cf028200SDavid Howells };
572cf028200SDavid Howells
573cf028200SDavid Howells enum fc_els_scr_func {
574cf028200SDavid Howells ELS_SCRF_FAB = 1, /* fabric-detected registration */
575cf028200SDavid Howells ELS_SCRF_NPORT = 2, /* Nx_Port-detected registration */
576cf028200SDavid Howells ELS_SCRF_FULL = 3, /* full registration */
577cf028200SDavid Howells ELS_SCRF_CLEAR = 255, /* remove any current registrations */
578cf028200SDavid Howells };
579cf028200SDavid Howells
580cf028200SDavid Howells /*
581cf028200SDavid Howells * ELS_RSCN - registered state change notification payload.
582cf028200SDavid Howells */
583cf028200SDavid Howells struct fc_els_rscn {
584cf028200SDavid Howells __u8 rscn_cmd; /* RSCN opcode (0x61) */
585cf028200SDavid Howells __u8 rscn_page_len; /* page length (4) */
586cf028200SDavid Howells __be16 rscn_plen; /* payload length including this word */
587cf028200SDavid Howells
588cf028200SDavid Howells /* followed by 4-byte generic affected Port_ID pages */
589cf028200SDavid Howells };
590cf028200SDavid Howells
591cf028200SDavid Howells struct fc_els_rscn_page {
592cf028200SDavid Howells __u8 rscn_page_flags; /* event and address format */
593cf028200SDavid Howells __u8 rscn_fid[3]; /* fabric ID */
594cf028200SDavid Howells };
595cf028200SDavid Howells
596cf028200SDavid Howells #define ELS_RSCN_EV_QUAL_BIT 2 /* shift count for event qualifier */
597cf028200SDavid Howells #define ELS_RSCN_EV_QUAL_MASK 0xf /* mask for event qualifier */
598cf028200SDavid Howells #define ELS_RSCN_ADDR_FMT_BIT 0 /* shift count for address format */
599cf028200SDavid Howells #define ELS_RSCN_ADDR_FMT_MASK 0x3 /* mask for address format */
600cf028200SDavid Howells
601cf028200SDavid Howells enum fc_els_rscn_ev_qual {
602cf028200SDavid Howells ELS_EV_QUAL_NONE = 0, /* unspecified */
603cf028200SDavid Howells ELS_EV_QUAL_NS_OBJ = 1, /* changed name server object */
604cf028200SDavid Howells ELS_EV_QUAL_PORT_ATTR = 2, /* changed port attribute */
605cf028200SDavid Howells ELS_EV_QUAL_SERV_OBJ = 3, /* changed service object */
606cf028200SDavid Howells ELS_EV_QUAL_SW_CONFIG = 4, /* changed switch configuration */
607cf028200SDavid Howells ELS_EV_QUAL_REM_OBJ = 5, /* removed object */
608cf028200SDavid Howells };
609cf028200SDavid Howells
610cf028200SDavid Howells enum fc_els_rscn_addr_fmt {
611cf028200SDavid Howells ELS_ADDR_FMT_PORT = 0, /* rscn_fid is a port address */
612cf028200SDavid Howells ELS_ADDR_FMT_AREA = 1, /* rscn_fid is a area address */
613cf028200SDavid Howells ELS_ADDR_FMT_DOM = 2, /* rscn_fid is a domain address */
614cf028200SDavid Howells ELS_ADDR_FMT_FAB = 3, /* anything on fabric may have changed */
615cf028200SDavid Howells };
616cf028200SDavid Howells
617cf028200SDavid Howells /*
618cf028200SDavid Howells * ELS_RNID - request Node ID.
619cf028200SDavid Howells */
620cf028200SDavid Howells struct fc_els_rnid {
621cf028200SDavid Howells __u8 rnid_cmd; /* RNID opcode (0x78) */
622cf028200SDavid Howells __u8 rnid_resv[3]; /* reserved */
623cf028200SDavid Howells __u8 rnid_fmt; /* data format */
624cf028200SDavid Howells __u8 rnid_resv2[3]; /* reserved */
625cf028200SDavid Howells };
626cf028200SDavid Howells
627cf028200SDavid Howells /*
628cf028200SDavid Howells * Node Identification Data formats (rnid_fmt)
629cf028200SDavid Howells */
630cf028200SDavid Howells enum fc_els_rnid_fmt {
631cf028200SDavid Howells ELS_RNIDF_NONE = 0, /* no specific identification data */
632cf028200SDavid Howells ELS_RNIDF_GEN = 0xdf, /* general topology discovery format */
633cf028200SDavid Howells };
634cf028200SDavid Howells
635cf028200SDavid Howells /*
636cf028200SDavid Howells * ELS_RNID response.
637cf028200SDavid Howells */
638cf028200SDavid Howells struct fc_els_rnid_resp {
639cf028200SDavid Howells __u8 rnid_cmd; /* response code (LS_ACC) */
640cf028200SDavid Howells __u8 rnid_resv[3]; /* reserved */
641cf028200SDavid Howells __u8 rnid_fmt; /* data format */
642cf028200SDavid Howells __u8 rnid_cid_len; /* common ID data length */
643cf028200SDavid Howells __u8 rnid_resv2; /* reserved */
644cf028200SDavid Howells __u8 rnid_sid_len; /* specific ID data length */
645cf028200SDavid Howells };
646cf028200SDavid Howells
647cf028200SDavid Howells struct fc_els_rnid_cid {
648cf028200SDavid Howells __be64 rnid_wwpn; /* N port name */
649cf028200SDavid Howells __be64 rnid_wwnn; /* node name */
650cf028200SDavid Howells };
651cf028200SDavid Howells
652cf028200SDavid Howells struct fc_els_rnid_gen {
653cf028200SDavid Howells __u8 rnid_vend_id[16]; /* vendor-unique ID */
654cf028200SDavid Howells __be32 rnid_atype; /* associated type (see below) */
655cf028200SDavid Howells __be32 rnid_phys_port; /* physical port number */
656cf028200SDavid Howells __be32 rnid_att_nodes; /* number of attached nodes */
657cf028200SDavid Howells __u8 rnid_node_mgmt; /* node management (see below) */
658cf028200SDavid Howells __u8 rnid_ip_ver; /* IP version (see below) */
659cf028200SDavid Howells __be16 rnid_prot_port; /* UDP / TCP port number */
660cf028200SDavid Howells __be32 rnid_ip_addr[4]; /* IP address */
661cf028200SDavid Howells __u8 rnid_resvd[2]; /* reserved */
662cf028200SDavid Howells __be16 rnid_vend_spec; /* vendor-specific field */
663cf028200SDavid Howells };
664cf028200SDavid Howells
665cf028200SDavid Howells enum fc_els_rnid_atype {
666cf028200SDavid Howells ELS_RNIDA_UNK = 0x01, /* unknown */
667cf028200SDavid Howells ELS_RNIDA_OTHER = 0x02, /* none of the following */
668cf028200SDavid Howells ELS_RNIDA_HUB = 0x03,
669cf028200SDavid Howells ELS_RNIDA_SWITCH = 0x04,
670cf028200SDavid Howells ELS_RNIDA_GATEWAY = 0x05,
671cf028200SDavid Howells ELS_RNIDA_CONV = 0x06, /* Obsolete, do not use this value */
672cf028200SDavid Howells ELS_RNIDA_HBA = 0x07, /* Obsolete, do not use this value */
673cf028200SDavid Howells ELS_RNIDA_PROXY = 0x08, /* Obsolete, do not use this value */
674cf028200SDavid Howells ELS_RNIDA_STORAGE = 0x09,
675cf028200SDavid Howells ELS_RNIDA_HOST = 0x0a,
676cf028200SDavid Howells ELS_RNIDA_SUBSYS = 0x0b, /* storage subsystem (e.g., RAID) */
677cf028200SDavid Howells ELS_RNIDA_ACCESS = 0x0e, /* access device (e.g. media changer) */
678cf028200SDavid Howells ELS_RNIDA_NAS = 0x11, /* NAS server */
679cf028200SDavid Howells ELS_RNIDA_BRIDGE = 0x12, /* bridge */
680cf028200SDavid Howells ELS_RNIDA_VIRT = 0x13, /* virtualization device */
681cf028200SDavid Howells ELS_RNIDA_MF = 0xff, /* multifunction device (bits below) */
682cf028200SDavid Howells ELS_RNIDA_MF_HUB = 1UL << 31, /* hub */
683cf028200SDavid Howells ELS_RNIDA_MF_SW = 1UL << 30, /* switch */
684cf028200SDavid Howells ELS_RNIDA_MF_GW = 1UL << 29, /* gateway */
685cf028200SDavid Howells ELS_RNIDA_MF_ST = 1UL << 28, /* storage */
686cf028200SDavid Howells ELS_RNIDA_MF_HOST = 1UL << 27, /* host */
687cf028200SDavid Howells ELS_RNIDA_MF_SUB = 1UL << 26, /* storage subsystem */
688cf028200SDavid Howells ELS_RNIDA_MF_ACC = 1UL << 25, /* storage access dev */
689cf028200SDavid Howells ELS_RNIDA_MF_WDM = 1UL << 24, /* wavelength division mux */
690cf028200SDavid Howells ELS_RNIDA_MF_NAS = 1UL << 23, /* NAS server */
691cf028200SDavid Howells ELS_RNIDA_MF_BR = 1UL << 22, /* bridge */
692cf028200SDavid Howells ELS_RNIDA_MF_VIRT = 1UL << 21, /* virtualization device */
693cf028200SDavid Howells };
694cf028200SDavid Howells
695cf028200SDavid Howells enum fc_els_rnid_mgmt {
696cf028200SDavid Howells ELS_RNIDM_SNMP = 0,
697cf028200SDavid Howells ELS_RNIDM_TELNET = 1,
698cf028200SDavid Howells ELS_RNIDM_HTTP = 2,
699cf028200SDavid Howells ELS_RNIDM_HTTPS = 3,
700cf028200SDavid Howells ELS_RNIDM_XML = 4, /* HTTP + XML */
701cf028200SDavid Howells };
702cf028200SDavid Howells
703cf028200SDavid Howells enum fc_els_rnid_ipver {
704cf028200SDavid Howells ELS_RNIDIP_NONE = 0, /* no IP support or node mgmt. */
705cf028200SDavid Howells ELS_RNIDIP_V4 = 1, /* IPv4 */
706cf028200SDavid Howells ELS_RNIDIP_V6 = 2, /* IPv6 */
707cf028200SDavid Howells };
708cf028200SDavid Howells
709cf028200SDavid Howells /*
710cf028200SDavid Howells * ELS RPL - Read Port List.
711cf028200SDavid Howells */
712cf028200SDavid Howells struct fc_els_rpl {
713cf028200SDavid Howells __u8 rpl_cmd; /* command */
714cf028200SDavid Howells __u8 rpl_resv[5]; /* reserved - must be zero */
715cf028200SDavid Howells __be16 rpl_max_size; /* maximum response size or zero */
716cf028200SDavid Howells __u8 rpl_resv1; /* reserved - must be zero */
717cf028200SDavid Howells __u8 rpl_index[3]; /* starting index */
718cf028200SDavid Howells };
719cf028200SDavid Howells
720cf028200SDavid Howells /*
721cf028200SDavid Howells * Port number block in RPL response.
722cf028200SDavid Howells */
723cf028200SDavid Howells struct fc_els_pnb {
724cf028200SDavid Howells __be32 pnb_phys_pn; /* physical port number */
725cf028200SDavid Howells __u8 pnb_resv; /* reserved */
726cf028200SDavid Howells __u8 pnb_port_id[3]; /* port ID */
727cf028200SDavid Howells __be64 pnb_wwpn; /* port name */
728cf028200SDavid Howells };
729cf028200SDavid Howells
730cf028200SDavid Howells /*
731cf028200SDavid Howells * RPL LS_ACC response.
732cf028200SDavid Howells */
733cf028200SDavid Howells struct fc_els_rpl_resp {
734cf028200SDavid Howells __u8 rpl_cmd; /* ELS_LS_ACC */
735cf028200SDavid Howells __u8 rpl_resv1; /* reserved - must be zero */
736cf028200SDavid Howells __be16 rpl_plen; /* payload length */
737cf028200SDavid Howells __u8 rpl_resv2; /* reserved - must be zero */
738cf028200SDavid Howells __u8 rpl_llen[3]; /* list length */
739cf028200SDavid Howells __u8 rpl_resv3; /* reserved - must be zero */
740cf028200SDavid Howells __u8 rpl_index[3]; /* starting index */
741cf028200SDavid Howells struct fc_els_pnb rpl_pnb[1]; /* variable number of PNBs */
742cf028200SDavid Howells };
743cf028200SDavid Howells
744cf028200SDavid Howells /*
745cf028200SDavid Howells * Link Error Status Block.
746cf028200SDavid Howells */
747cf028200SDavid Howells struct fc_els_lesb {
748cf028200SDavid Howells __be32 lesb_link_fail; /* link failure count */
749cf028200SDavid Howells __be32 lesb_sync_loss; /* loss of synchronization count */
750cf028200SDavid Howells __be32 lesb_sig_loss; /* loss of signal count */
751cf028200SDavid Howells __be32 lesb_prim_err; /* primitive sequence error count */
752cf028200SDavid Howells __be32 lesb_inv_word; /* invalid transmission word count */
753cf028200SDavid Howells __be32 lesb_inv_crc; /* invalid CRC count */
754cf028200SDavid Howells };
755cf028200SDavid Howells
756cf028200SDavid Howells /*
757cf028200SDavid Howells * ELS RPS - Read Port Status Block request.
758cf028200SDavid Howells */
759cf028200SDavid Howells struct fc_els_rps {
760cf028200SDavid Howells __u8 rps_cmd; /* command */
761cf028200SDavid Howells __u8 rps_resv[2]; /* reserved - must be zero */
762cf028200SDavid Howells __u8 rps_flag; /* flag - see below */
763cf028200SDavid Howells __be64 rps_port_spec; /* port selection */
764cf028200SDavid Howells };
765cf028200SDavid Howells
766cf028200SDavid Howells enum fc_els_rps_flag {
767cf028200SDavid Howells FC_ELS_RPS_DID = 0x00, /* port identified by D_ID of req. */
768cf028200SDavid Howells FC_ELS_RPS_PPN = 0x01, /* port_spec is physical port number */
769cf028200SDavid Howells FC_ELS_RPS_WWPN = 0x02, /* port_spec is port WWN */
770cf028200SDavid Howells };
771cf028200SDavid Howells
772cf028200SDavid Howells /*
773cf028200SDavid Howells * ELS RPS LS_ACC response.
774cf028200SDavid Howells */
775cf028200SDavid Howells struct fc_els_rps_resp {
776cf028200SDavid Howells __u8 rps_cmd; /* command - LS_ACC */
777cf028200SDavid Howells __u8 rps_resv[2]; /* reserved - must be zero */
778cf028200SDavid Howells __u8 rps_flag; /* flag - see below */
779cf028200SDavid Howells __u8 rps_resv2[2]; /* reserved */
780cf028200SDavid Howells __be16 rps_status; /* port status - see below */
781cf028200SDavid Howells struct fc_els_lesb rps_lesb; /* link error status block */
782cf028200SDavid Howells };
783cf028200SDavid Howells
784cf028200SDavid Howells enum fc_els_rps_resp_flag {
785cf028200SDavid Howells FC_ELS_RPS_LPEV = 0x01, /* L_port extension valid */
786cf028200SDavid Howells };
787cf028200SDavid Howells
788cf028200SDavid Howells enum fc_els_rps_resp_status {
789cf028200SDavid Howells FC_ELS_RPS_PTP = 1 << 5, /* point-to-point connection */
790cf028200SDavid Howells FC_ELS_RPS_LOOP = 1 << 4, /* loop mode */
791cf028200SDavid Howells FC_ELS_RPS_FAB = 1 << 3, /* fabric present */
792cf028200SDavid Howells FC_ELS_RPS_NO_SIG = 1 << 2, /* loss of signal */
793cf028200SDavid Howells FC_ELS_RPS_NO_SYNC = 1 << 1, /* loss of synchronization */
794cf028200SDavid Howells FC_ELS_RPS_RESET = 1 << 0, /* in link reset protocol */
795cf028200SDavid Howells };
796cf028200SDavid Howells
797cf028200SDavid Howells /*
798cf028200SDavid Howells * ELS LIRR - Link Incident Record Registration request.
799cf028200SDavid Howells */
800cf028200SDavid Howells struct fc_els_lirr {
801cf028200SDavid Howells __u8 lirr_cmd; /* command */
802cf028200SDavid Howells __u8 lirr_resv[3]; /* reserved - must be zero */
803cf028200SDavid Howells __u8 lirr_func; /* registration function */
804cf028200SDavid Howells __u8 lirr_fmt; /* FC-4 type of RLIR requested */
805cf028200SDavid Howells __u8 lirr_resv2[2]; /* reserved - must be zero */
806cf028200SDavid Howells };
807cf028200SDavid Howells
808cf028200SDavid Howells enum fc_els_lirr_func {
809cf028200SDavid Howells ELS_LIRR_SET_COND = 0x01, /* set - conditionally receive */
810cf028200SDavid Howells ELS_LIRR_SET_UNCOND = 0x02, /* set - unconditionally receive */
811cf028200SDavid Howells ELS_LIRR_CLEAR = 0xff /* clear registration */
812cf028200SDavid Howells };
813cf028200SDavid Howells
814cf028200SDavid Howells /*
815cf028200SDavid Howells * ELS SRL - Scan Remote Loop request.
816cf028200SDavid Howells */
817cf028200SDavid Howells struct fc_els_srl {
818cf028200SDavid Howells __u8 srl_cmd; /* command */
819cf028200SDavid Howells __u8 srl_resv[3]; /* reserved - must be zero */
820cf028200SDavid Howells __u8 srl_flag; /* flag - see below */
821cf028200SDavid Howells __u8 srl_flag_param[3]; /* flag parameter */
822cf028200SDavid Howells };
823cf028200SDavid Howells
824cf028200SDavid Howells enum fc_els_srl_flag {
825cf028200SDavid Howells FC_ELS_SRL_ALL = 0x00, /* scan all FL ports */
826cf028200SDavid Howells FC_ELS_SRL_ONE = 0x01, /* scan specified loop */
827cf028200SDavid Howells FC_ELS_SRL_EN_PER = 0x02, /* enable periodic scanning (param) */
828cf028200SDavid Howells FC_ELS_SRL_DIS_PER = 0x03, /* disable periodic scanning */
829cf028200SDavid Howells };
830cf028200SDavid Howells
831cf028200SDavid Howells /*
832cf028200SDavid Howells * ELS RLS - Read Link Error Status Block request.
833cf028200SDavid Howells */
834cf028200SDavid Howells struct fc_els_rls {
835cf028200SDavid Howells __u8 rls_cmd; /* command */
836cf028200SDavid Howells __u8 rls_resv[4]; /* reserved - must be zero */
837cf028200SDavid Howells __u8 rls_port_id[3]; /* port ID */
838cf028200SDavid Howells };
839cf028200SDavid Howells
840cf028200SDavid Howells /*
841cf028200SDavid Howells * ELS RLS LS_ACC Response.
842cf028200SDavid Howells */
843cf028200SDavid Howells struct fc_els_rls_resp {
844cf028200SDavid Howells __u8 rls_cmd; /* ELS_LS_ACC */
845cf028200SDavid Howells __u8 rls_resv[3]; /* reserved - must be zero */
846cf028200SDavid Howells struct fc_els_lesb rls_lesb; /* link error status block */
847cf028200SDavid Howells };
848cf028200SDavid Howells
849cf028200SDavid Howells /*
850cf028200SDavid Howells * ELS RLIR - Registered Link Incident Report.
851cf028200SDavid Howells * This is followed by the CLIR and the CLID, described below.
852cf028200SDavid Howells */
853cf028200SDavid Howells struct fc_els_rlir {
854cf028200SDavid Howells __u8 rlir_cmd; /* command */
855cf028200SDavid Howells __u8 rlir_resv[3]; /* reserved - must be zero */
856cf028200SDavid Howells __u8 rlir_fmt; /* format (FC4-type if type specific) */
857cf028200SDavid Howells __u8 rlir_clr_len; /* common link incident record length */
858cf028200SDavid Howells __u8 rlir_cld_len; /* common link incident desc. length */
859cf028200SDavid Howells __u8 rlir_slr_len; /* spec. link incident record length */
860cf028200SDavid Howells };
861cf028200SDavid Howells
862cf028200SDavid Howells /*
863cf028200SDavid Howells * CLIR - Common Link Incident Record Data. - Sent via RLIR.
864cf028200SDavid Howells */
865cf028200SDavid Howells struct fc_els_clir {
866cf028200SDavid Howells __be64 clir_wwpn; /* incident port name */
867cf028200SDavid Howells __be64 clir_wwnn; /* incident port node name */
868cf028200SDavid Howells __u8 clir_port_type; /* incident port type */
869cf028200SDavid Howells __u8 clir_port_id[3]; /* incident port ID */
870cf028200SDavid Howells
871cf028200SDavid Howells __be64 clir_conn_wwpn; /* connected port name */
872cf028200SDavid Howells __be64 clir_conn_wwnn; /* connected node name */
873cf028200SDavid Howells __be64 clir_fab_name; /* fabric name */
874cf028200SDavid Howells __be32 clir_phys_port; /* physical port number */
875cf028200SDavid Howells __be32 clir_trans_id; /* transaction ID */
876cf028200SDavid Howells __u8 clir_resv[3]; /* reserved */
877cf028200SDavid Howells __u8 clir_ts_fmt; /* time stamp format */
878cf028200SDavid Howells __be64 clir_timestamp; /* time stamp */
879cf028200SDavid Howells };
880cf028200SDavid Howells
881cf028200SDavid Howells /*
882cf028200SDavid Howells * CLIR clir_ts_fmt - time stamp format values.
883cf028200SDavid Howells */
884cf028200SDavid Howells enum fc_els_clir_ts_fmt {
885cf028200SDavid Howells ELS_CLIR_TS_UNKNOWN = 0, /* time stamp field unknown */
886cf028200SDavid Howells ELS_CLIR_TS_SEC_FRAC = 1, /* time in seconds and fractions */
887cf028200SDavid Howells ELS_CLIR_TS_CSU = 2, /* time in clock synch update format */
888cf028200SDavid Howells };
889cf028200SDavid Howells
890cf028200SDavid Howells /*
891cf028200SDavid Howells * Common Link Incident Descriptor - sent via RLIR.
892cf028200SDavid Howells */
893cf028200SDavid Howells struct fc_els_clid {
894cf028200SDavid Howells __u8 clid_iq; /* incident qualifier flags */
895cf028200SDavid Howells __u8 clid_ic; /* incident code */
896cf028200SDavid Howells __be16 clid_epai; /* domain/area of ISL */
897cf028200SDavid Howells };
898cf028200SDavid Howells
899cf028200SDavid Howells /*
900cf028200SDavid Howells * CLID incident qualifier flags.
901cf028200SDavid Howells */
902cf028200SDavid Howells enum fc_els_clid_iq {
903cf028200SDavid Howells ELS_CLID_SWITCH = 0x20, /* incident port is a switch node */
904cf028200SDavid Howells ELS_CLID_E_PORT = 0x10, /* incident is an ISL (E) port */
905cf028200SDavid Howells ELS_CLID_SEV_MASK = 0x0c, /* severity 2-bit field mask */
906cf028200SDavid Howells ELS_CLID_SEV_INFO = 0x00, /* report is informational */
907cf028200SDavid Howells ELS_CLID_SEV_INOP = 0x08, /* link not operational */
908cf028200SDavid Howells ELS_CLID_SEV_DEG = 0x04, /* link degraded but operational */
909cf028200SDavid Howells ELS_CLID_LASER = 0x02, /* subassembly is a laser */
910cf028200SDavid Howells ELS_CLID_FRU = 0x01, /* format can identify a FRU */
911cf028200SDavid Howells };
912cf028200SDavid Howells
913cf028200SDavid Howells /*
914cf028200SDavid Howells * CLID incident code.
915cf028200SDavid Howells */
916cf028200SDavid Howells enum fc_els_clid_ic {
917cf028200SDavid Howells ELS_CLID_IC_IMPL = 1, /* implicit incident */
918cf028200SDavid Howells ELS_CLID_IC_BER = 2, /* bit-error-rate threshold exceeded */
919cf028200SDavid Howells ELS_CLID_IC_LOS = 3, /* loss of synch or signal */
920cf028200SDavid Howells ELS_CLID_IC_NOS = 4, /* non-operational primitive sequence */
921cf028200SDavid Howells ELS_CLID_IC_PST = 5, /* primitive sequence timeout */
922cf028200SDavid Howells ELS_CLID_IC_INVAL = 6, /* invalid primitive sequence */
923cf028200SDavid Howells ELS_CLID_IC_LOOP_TO = 7, /* loop initialization time out */
924cf028200SDavid Howells ELS_CLID_IC_LIP = 8, /* receiving LIP */
925cf028200SDavid Howells };
926cf028200SDavid Howells
927874163aaSShyam Sundar /*
928874163aaSShyam Sundar * Link Integrity event types
929874163aaSShyam Sundar */
93073ec6d27SJames Smart enum fc_fpin_li_event_types {
93173ec6d27SJames Smart FPIN_LI_UNKNOWN = 0x0,
93273ec6d27SJames Smart FPIN_LI_LINK_FAILURE = 0x1,
93373ec6d27SJames Smart FPIN_LI_LOSS_OF_SYNC = 0x2,
93473ec6d27SJames Smart FPIN_LI_LOSS_OF_SIG = 0x3,
93573ec6d27SJames Smart FPIN_LI_PRIM_SEQ_ERR = 0x4,
93673ec6d27SJames Smart FPIN_LI_INVALID_TX_WD = 0x5,
93773ec6d27SJames Smart FPIN_LI_INVALID_CRC = 0x6,
93873ec6d27SJames Smart FPIN_LI_DEVICE_SPEC = 0xF,
939a7dff3adSJames Smart };
940a7dff3adSJames Smart
941a7dff3adSJames Smart /*
94273ec6d27SJames Smart * Initializer useful for decoding table.
94373ec6d27SJames Smart * Please keep this in sync with the above definitions.
944a7dff3adSJames Smart */
94573ec6d27SJames Smart #define FC_FPIN_LI_EVT_TYPES_INIT { \
94673ec6d27SJames Smart { FPIN_LI_UNKNOWN, "Unknown" }, \
94773ec6d27SJames Smart { FPIN_LI_LINK_FAILURE, "Link Failure" }, \
94873ec6d27SJames Smart { FPIN_LI_LOSS_OF_SYNC, "Loss of Synchronization" }, \
94973ec6d27SJames Smart { FPIN_LI_LOSS_OF_SIG, "Loss of Signal" }, \
95073ec6d27SJames Smart { FPIN_LI_PRIM_SEQ_ERR, "Primitive Sequence Protocol Error" }, \
95173ec6d27SJames Smart { FPIN_LI_INVALID_TX_WD, "Invalid Transmission Word" }, \
95273ec6d27SJames Smart { FPIN_LI_INVALID_CRC, "Invalid CRC" }, \
95373ec6d27SJames Smart { FPIN_LI_DEVICE_SPEC, "Device Specific" }, \
95473ec6d27SJames Smart }
95573ec6d27SJames Smart
956874163aaSShyam Sundar /*
957874163aaSShyam Sundar * Delivery event types
958874163aaSShyam Sundar */
959874163aaSShyam Sundar enum fc_fpin_deli_event_types {
960874163aaSShyam Sundar FPIN_DELI_UNKNOWN = 0x0,
961874163aaSShyam Sundar FPIN_DELI_TIMEOUT = 0x1,
962874163aaSShyam Sundar FPIN_DELI_UNABLE_TO_ROUTE = 0x2,
963874163aaSShyam Sundar FPIN_DELI_DEVICE_SPEC = 0xF,
964874163aaSShyam Sundar };
965874163aaSShyam Sundar
966874163aaSShyam Sundar /*
967874163aaSShyam Sundar * Initializer useful for decoding table.
968874163aaSShyam Sundar * Please keep this in sync with the above definitions.
969874163aaSShyam Sundar */
970874163aaSShyam Sundar #define FC_FPIN_DELI_EVT_TYPES_INIT { \
971874163aaSShyam Sundar { FPIN_DELI_UNKNOWN, "Unknown" }, \
972874163aaSShyam Sundar { FPIN_DELI_TIMEOUT, "Timeout" }, \
973874163aaSShyam Sundar { FPIN_DELI_UNABLE_TO_ROUTE, "Unable to Route" }, \
974874163aaSShyam Sundar { FPIN_DELI_DEVICE_SPEC, "Device Specific" }, \
975874163aaSShyam Sundar }
976874163aaSShyam Sundar
977874163aaSShyam Sundar /*
978874163aaSShyam Sundar * Congestion event types
979874163aaSShyam Sundar */
980874163aaSShyam Sundar enum fc_fpin_congn_event_types {
981874163aaSShyam Sundar FPIN_CONGN_CLEAR = 0x0,
982874163aaSShyam Sundar FPIN_CONGN_LOST_CREDIT = 0x1,
983874163aaSShyam Sundar FPIN_CONGN_CREDIT_STALL = 0x2,
984874163aaSShyam Sundar FPIN_CONGN_OVERSUBSCRIPTION = 0x3,
985874163aaSShyam Sundar FPIN_CONGN_DEVICE_SPEC = 0xF,
986874163aaSShyam Sundar };
987874163aaSShyam Sundar
988874163aaSShyam Sundar /*
989874163aaSShyam Sundar * Initializer useful for decoding table.
990874163aaSShyam Sundar * Please keep this in sync with the above definitions.
991874163aaSShyam Sundar */
992874163aaSShyam Sundar #define FC_FPIN_CONGN_EVT_TYPES_INIT { \
993874163aaSShyam Sundar { FPIN_CONGN_CLEAR, "Clear" }, \
994874163aaSShyam Sundar { FPIN_CONGN_LOST_CREDIT, "Lost Credit" }, \
995874163aaSShyam Sundar { FPIN_CONGN_CREDIT_STALL, "Credit Stall" }, \
996874163aaSShyam Sundar { FPIN_CONGN_OVERSUBSCRIPTION, "Oversubscription" }, \
997874163aaSShyam Sundar { FPIN_CONGN_DEVICE_SPEC, "Device Specific" }, \
998874163aaSShyam Sundar }
999874163aaSShyam Sundar
1000874163aaSShyam Sundar enum fc_fpin_congn_severity_types {
1001874163aaSShyam Sundar FPIN_CONGN_SEVERITY_WARNING = 0xF1,
1002874163aaSShyam Sundar FPIN_CONGN_SEVERITY_ERROR = 0xF7,
1003874163aaSShyam Sundar };
100473ec6d27SJames Smart
100573ec6d27SJames Smart /*
100673ec6d27SJames Smart * Link Integrity Notification Descriptor
1007a7dff3adSJames Smart */
100873ec6d27SJames Smart struct fc_fn_li_desc {
100973ec6d27SJames Smart __be32 desc_tag; /* Descriptor Tag (0x00020001) */
101073ec6d27SJames Smart __be32 desc_len; /* Length of Descriptor (in bytes).
101173ec6d27SJames Smart * Size of descriptor excluding
101273ec6d27SJames Smart * desc_tag and desc_len fields.
101373ec6d27SJames Smart */
101473ec6d27SJames Smart __be64 detecting_wwpn; /* Port Name that detected event */
101573ec6d27SJames Smart __be64 attached_wwpn; /* Port Name of device attached to
101673ec6d27SJames Smart * detecting Port Name
101773ec6d27SJames Smart */
101873ec6d27SJames Smart __be16 event_type; /* see enum fc_fpin_li_event_types */
101973ec6d27SJames Smart __be16 event_modifier; /* Implementation specific value
102073ec6d27SJames Smart * describing the event type
102173ec6d27SJames Smart */
102273ec6d27SJames Smart __be32 event_threshold;/* duration in ms of the link
102373ec6d27SJames Smart * integrity detection cycle
102473ec6d27SJames Smart */
102573ec6d27SJames Smart __be32 event_count; /* minimum number of event
102673ec6d27SJames Smart * occurrences during the event
102773ec6d27SJames Smart * threshold to caause the LI event
102873ec6d27SJames Smart */
102973ec6d27SJames Smart __be32 pname_count; /* number of portname_list elements */
1030*94dfc73eSGustavo A. R. Silva __be64 pname_list[]; /* list of N_Port_Names accessible
103173ec6d27SJames Smart * through the attached port
103273ec6d27SJames Smart */
1033a7dff3adSJames Smart };
1034a7dff3adSJames Smart
1035a7dff3adSJames Smart /*
1036874163aaSShyam Sundar * Delivery Notification Descriptor
1037874163aaSShyam Sundar */
1038874163aaSShyam Sundar struct fc_fn_deli_desc {
1039874163aaSShyam Sundar __be32 desc_tag; /* Descriptor Tag (0x00020002) */
1040874163aaSShyam Sundar __be32 desc_len; /* Length of Descriptor (in bytes).
1041874163aaSShyam Sundar * Size of descriptor excluding
1042874163aaSShyam Sundar * desc_tag and desc_len fields.
1043874163aaSShyam Sundar */
1044874163aaSShyam Sundar __be64 detecting_wwpn; /* Port Name that detected event */
1045874163aaSShyam Sundar __be64 attached_wwpn; /* Port Name of device attached to
1046874163aaSShyam Sundar * detecting Port Name
1047874163aaSShyam Sundar */
1048874163aaSShyam Sundar __be32 deli_reason_code;/* see enum fc_fpin_deli_event_types */
1049874163aaSShyam Sundar };
1050874163aaSShyam Sundar
1051874163aaSShyam Sundar /*
1052874163aaSShyam Sundar * Peer Congestion Notification Descriptor
1053874163aaSShyam Sundar */
1054874163aaSShyam Sundar struct fc_fn_peer_congn_desc {
1055874163aaSShyam Sundar __be32 desc_tag; /* Descriptor Tag (0x00020003) */
1056874163aaSShyam Sundar __be32 desc_len; /* Length of Descriptor (in bytes).
1057874163aaSShyam Sundar * Size of descriptor excluding
1058874163aaSShyam Sundar * desc_tag and desc_len fields.
1059874163aaSShyam Sundar */
1060874163aaSShyam Sundar __be64 detecting_wwpn; /* Port Name that detected event */
1061874163aaSShyam Sundar __be64 attached_wwpn; /* Port Name of device attached to
1062874163aaSShyam Sundar * detecting Port Name
1063874163aaSShyam Sundar */
1064874163aaSShyam Sundar __be16 event_type; /* see enum fc_fpin_congn_event_types */
1065874163aaSShyam Sundar __be16 event_modifier; /* Implementation specific value
1066874163aaSShyam Sundar * describing the event type
1067874163aaSShyam Sundar */
1068874163aaSShyam Sundar __be32 event_period; /* duration (ms) of the detected
1069874163aaSShyam Sundar * congestion event
1070874163aaSShyam Sundar */
1071874163aaSShyam Sundar __be32 pname_count; /* number of portname_list elements */
1072*94dfc73eSGustavo A. R. Silva __be64 pname_list[]; /* list of N_Port_Names accessible
1073874163aaSShyam Sundar * through the attached port
1074874163aaSShyam Sundar */
1075874163aaSShyam Sundar };
1076874163aaSShyam Sundar
1077874163aaSShyam Sundar /*
1078874163aaSShyam Sundar * Congestion Notification Descriptor
1079874163aaSShyam Sundar */
1080874163aaSShyam Sundar struct fc_fn_congn_desc {
1081874163aaSShyam Sundar __be32 desc_tag; /* Descriptor Tag (0x00020004) */
1082874163aaSShyam Sundar __be32 desc_len; /* Length of Descriptor (in bytes).
1083874163aaSShyam Sundar * Size of descriptor excluding
1084874163aaSShyam Sundar * desc_tag and desc_len fields.
1085874163aaSShyam Sundar */
1086874163aaSShyam Sundar __be16 event_type; /* see enum fc_fpin_congn_event_types */
1087874163aaSShyam Sundar __be16 event_modifier; /* Implementation specific value
1088874163aaSShyam Sundar * describing the event type
1089874163aaSShyam Sundar */
1090874163aaSShyam Sundar __be32 event_period; /* duration (ms) of the detected
1091874163aaSShyam Sundar * congestion event
1092874163aaSShyam Sundar */
1093874163aaSShyam Sundar __u8 severity; /* command */
1094874163aaSShyam Sundar __u8 resv[3]; /* reserved - must be zero */
1095874163aaSShyam Sundar };
1096874163aaSShyam Sundar
1097874163aaSShyam Sundar /*
1098a7dff3adSJames Smart * ELS_FPIN - Fabric Performance Impact Notification
1099a7dff3adSJames Smart */
1100a7dff3adSJames Smart struct fc_els_fpin {
1101a7dff3adSJames Smart __u8 fpin_cmd; /* command (0x16) */
1102a7dff3adSJames Smart __u8 fpin_zero[3]; /* specified as zero - part of cmd */
110373ec6d27SJames Smart __be32 desc_len; /* Length of Descriptor List (in bytes).
110473ec6d27SJames Smart * Size of ELS excluding fpin_cmd,
110573ec6d27SJames Smart * fpin_zero and desc_len fields.
110673ec6d27SJames Smart */
1107*94dfc73eSGustavo A. R. Silva struct fc_tlv_desc fpin_desc[]; /* Descriptor list */
1108a7dff3adSJames Smart };
1109a7dff3adSJames Smart
111073ec6d27SJames Smart /* Diagnostic Function Descriptor - FPIN Registration */
111173ec6d27SJames Smart struct fc_df_desc_fpin_reg {
111273ec6d27SJames Smart __be32 desc_tag; /* FPIN Registration (0x00030001) */
111373ec6d27SJames Smart __be32 desc_len; /* Length of Descriptor (in bytes).
111473ec6d27SJames Smart * Size of descriptor excluding
111573ec6d27SJames Smart * desc_tag and desc_len fields.
111673ec6d27SJames Smart */
111773ec6d27SJames Smart __be32 count; /* Number of desc_tags elements */
1118*94dfc73eSGustavo A. R. Silva __be32 desc_tags[]; /* Array of Descriptor Tags.
111973ec6d27SJames Smart * Each tag indicates a function
112073ec6d27SJames Smart * supported by the N_Port (request)
112173ec6d27SJames Smart * or by the N_Port and Fabric
112273ec6d27SJames Smart * Controller (reply; may be a subset
112373ec6d27SJames Smart * of the request).
112473ec6d27SJames Smart * See ELS_FN_DTAG_xxx for tag values.
112573ec6d27SJames Smart */
112673ec6d27SJames Smart };
112773ec6d27SJames Smart
112873ec6d27SJames Smart /*
112973ec6d27SJames Smart * ELS_RDF - Register Diagnostic Functions
113073ec6d27SJames Smart */
113173ec6d27SJames Smart struct fc_els_rdf {
113273ec6d27SJames Smart __u8 fpin_cmd; /* command (0x19) */
113373ec6d27SJames Smart __u8 fpin_zero[3]; /* specified as zero - part of cmd */
113473ec6d27SJames Smart __be32 desc_len; /* Length of Descriptor List (in bytes).
113573ec6d27SJames Smart * Size of ELS excluding fpin_cmd,
113673ec6d27SJames Smart * fpin_zero and desc_len fields.
113773ec6d27SJames Smart */
1138*94dfc73eSGustavo A. R. Silva struct fc_tlv_desc desc[]; /* Descriptor list */
113973ec6d27SJames Smart };
114073ec6d27SJames Smart
114173ec6d27SJames Smart /*
114273ec6d27SJames Smart * ELS RDF LS_ACC Response.
114373ec6d27SJames Smart */
114473ec6d27SJames Smart struct fc_els_rdf_resp {
114573ec6d27SJames Smart struct fc_els_ls_acc acc_hdr;
114673ec6d27SJames Smart __be32 desc_list_len; /* Length of response (in
114773ec6d27SJames Smart * bytes). Excludes acc_hdr
114873ec6d27SJames Smart * and desc_list_len fields.
114973ec6d27SJames Smart */
115073ec6d27SJames Smart struct fc_els_lsri_desc lsri;
1151*94dfc73eSGustavo A. R. Silva struct fc_tlv_desc desc[]; /* Supported Descriptor list */
115273ec6d27SJames Smart };
115373ec6d27SJames Smart
115473ec6d27SJames Smart
115554404d35SJames Smart /*
115654404d35SJames Smart * Diagnostic Capability Descriptors for EDC ELS
115754404d35SJames Smart */
115854404d35SJames Smart
115954404d35SJames Smart /*
116054404d35SJames Smart * Diagnostic: Link Fault Capability Descriptor
116154404d35SJames Smart */
116254404d35SJames Smart struct fc_diag_lnkflt_desc {
116354404d35SJames Smart __be32 desc_tag; /* Descriptor Tag (0x0001000D) */
116454404d35SJames Smart __be32 desc_len; /* Length of Descriptor (in bytes).
116554404d35SJames Smart * Size of descriptor excluding
116654404d35SJames Smart * desc_tag and desc_len fields.
116754404d35SJames Smart * 12 bytes
116854404d35SJames Smart */
116954404d35SJames Smart __be32 degrade_activate_threshold;
117054404d35SJames Smart __be32 degrade_deactivate_threshold;
117154404d35SJames Smart __be32 fec_degrade_interval;
117254404d35SJames Smart };
117354404d35SJames Smart
117454404d35SJames Smart enum fc_edc_cg_signal_cap_types {
117554404d35SJames Smart /* Note: Capability: bits 31:4 Rsvd; bits 3:0 are capabilities */
117654404d35SJames Smart EDC_CG_SIG_NOTSUPPORTED = 0x00, /* neither supported */
117754404d35SJames Smart EDC_CG_SIG_WARN_ONLY = 0x01,
117854404d35SJames Smart EDC_CG_SIG_WARN_ALARM = 0x02, /* both supported */
117954404d35SJames Smart };
118054404d35SJames Smart
118154404d35SJames Smart /*
118254404d35SJames Smart * Initializer useful for decoding table.
118354404d35SJames Smart * Please keep this in sync with the above definitions.
118454404d35SJames Smart */
118554404d35SJames Smart #define FC_EDC_CG_SIGNAL_CAP_TYPES_INIT { \
118654404d35SJames Smart { EDC_CG_SIG_NOTSUPPORTED, "Signaling Not Supported" }, \
118754404d35SJames Smart { EDC_CG_SIG_WARN_ONLY, "Warning Signal" }, \
118854404d35SJames Smart { EDC_CG_SIG_WARN_ALARM, "Warning and Alarm Signals" }, \
118954404d35SJames Smart }
119054404d35SJames Smart
119154404d35SJames Smart enum fc_diag_cg_sig_freq_types {
119254404d35SJames Smart EDC_CG_SIGFREQ_CNT_MIN = 1, /* Min Frequency Count */
119354404d35SJames Smart EDC_CG_SIGFREQ_CNT_MAX = 999, /* Max Frequency Count */
119454404d35SJames Smart
119554404d35SJames Smart EDC_CG_SIGFREQ_SEC = 0x1, /* Units: seconds */
119654404d35SJames Smart EDC_CG_SIGFREQ_MSEC = 0x2, /* Units: milliseconds */
119754404d35SJames Smart };
119854404d35SJames Smart
119954404d35SJames Smart struct fc_diag_cg_sig_freq {
120054404d35SJames Smart __be16 count; /* Time between signals
120154404d35SJames Smart * note: upper 6 bits rsvd
120254404d35SJames Smart */
120354404d35SJames Smart __be16 units; /* Time unit for count
120454404d35SJames Smart * note: upper 12 bits rsvd
120554404d35SJames Smart */
120654404d35SJames Smart };
120754404d35SJames Smart
120854404d35SJames Smart /*
120954404d35SJames Smart * Diagnostic: Congestion Signaling Capability Descriptor
121054404d35SJames Smart */
121154404d35SJames Smart struct fc_diag_cg_sig_desc {
121254404d35SJames Smart __be32 desc_tag; /* Descriptor Tag (0x0001000F) */
121354404d35SJames Smart __be32 desc_len; /* Length of Descriptor (in bytes).
121454404d35SJames Smart * Size of descriptor excluding
121554404d35SJames Smart * desc_tag and desc_len fields.
121654404d35SJames Smart * 16 bytes
121754404d35SJames Smart */
121854404d35SJames Smart __be32 xmt_signal_capability;
121954404d35SJames Smart struct fc_diag_cg_sig_freq xmt_signal_frequency;
122054404d35SJames Smart __be32 rcv_signal_capability;
122154404d35SJames Smart struct fc_diag_cg_sig_freq rcv_signal_frequency;
122254404d35SJames Smart };
122354404d35SJames Smart
122454404d35SJames Smart /*
122554404d35SJames Smart * ELS_EDC - Exchange Diagnostic Capabilities
122654404d35SJames Smart */
122754404d35SJames Smart struct fc_els_edc {
122854404d35SJames Smart __u8 edc_cmd; /* command (0x17) */
122954404d35SJames Smart __u8 edc_zero[3]; /* specified as zero - part of cmd */
123054404d35SJames Smart __be32 desc_len; /* Length of Descriptor List (in bytes).
123154404d35SJames Smart * Size of ELS excluding edc_cmd,
123254404d35SJames Smart * edc_zero and desc_len fields.
123354404d35SJames Smart */
1234*94dfc73eSGustavo A. R. Silva struct fc_tlv_desc desc[];
123554404d35SJames Smart /* Diagnostic Descriptor list */
123654404d35SJames Smart };
123754404d35SJames Smart
123854404d35SJames Smart /*
123954404d35SJames Smart * ELS EDC LS_ACC Response.
124054404d35SJames Smart */
124154404d35SJames Smart struct fc_els_edc_resp {
124254404d35SJames Smart struct fc_els_ls_acc acc_hdr;
124354404d35SJames Smart __be32 desc_list_len; /* Length of response (in
124454404d35SJames Smart * bytes). Excludes acc_hdr
124554404d35SJames Smart * and desc_list_len fields.
124654404d35SJames Smart */
124754404d35SJames Smart struct fc_els_lsri_desc lsri;
1248*94dfc73eSGustavo A. R. Silva struct fc_tlv_desc desc[];
124954404d35SJames Smart /* Supported Diagnostic Descriptor list */
125054404d35SJames Smart };
125154404d35SJames Smart
125254404d35SJames Smart
1253cf028200SDavid Howells #endif /* _FC_ELS_H_ */
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