aboutsummaryrefslogblamecommitdiffstats
path: root/drivers/scsi/bfa/bfa_fc.h
blob: 6eff705564eb5310d015e1e54a2b82db760a1c3b (plain) (tree)
1
2
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
  
                                                               














                                                                          

                    
 







                                                                         


               





























                                                                                



























                                                                    
 


                                 
 




















































































                                                                        

                                                     


                                                            
                      























                                                                     
                                                   































                                                                                
                     






























                                                                      

                                                   






































                                                                          
                       




















































                                                                               
                       

































                                                                              

                                                     



                                      
                  
                                                              
                                                                           

                                  



                                                                                





                                                          

                                                              








                                                                              
                                                              










                                                                  
                             
















                                                        
                                                              









                                                                 


                                                                                





                          
                                                              






                                                                    
                                                                  
                                                                          
                                                                          









                                                                          
                                                              













                                                                      
                                    









                                                               
                         
                               
                  



                                   
 
                             







                               



                                   







                               
                             










                                                                               
                              


















                                 
                                           




                                                            
                  








                                               
                              























                                                                        




                                                       




                                      
                                  
























                                                                        
                      




















                                                            
                 






















                                                            
                                                                      














































                                                                            

                                                              











                                                                 
                    











                                                                              
                    








                                                                           


                               
























                                           
                   






                                                      
                    






                                
                       










                                                             
                     





                                      
                        





                               
                     









                                        
                                    





                   


                                                            
 
                                                                  















                                                                  

                                    







                                         
                                 



                                  
                                        











                                       

                                    





















                                                                  
                        









                                        
                       









                                                                    


                                                                         

  
                             



                               
                  





                                                                              
                                                                       

















                                                                               

                                                
   
                              

                                                                          
                                                                      







                                                                        

                                    




           
                      











                                                     




                                                                   

                                
                                                             


                      
                         





                                            


                                 
                             



                                                
                                                





                                                 
                       

                          

                                                                       




                                                       
             







                               
                     


                                           
                    









                                               
                                               












                                                                
                 










                              

























































                                                                              
 















































































                                                                       
      


















































































































































































































































































































































































































































































































































































































































                                                                            
/*
 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
 * All rights reserved
 * www.brocade.com
 *
 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License (GPL) Version 2 as
 * published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

#ifndef __BFA_FC_H__
#define __BFA_FC_H__

#include "bfa_os_inc.h"

typedef u64 wwn_t;
typedef u64 lun_t;

#define WWN_NULL	(0)
#define FC_SYMNAME_MAX	256	/*  max name server symbolic name size */
#define FC_ALPA_MAX	128

#pragma pack(1)

#define MAC_ADDRLEN	(6)
struct mac_s { u8 mac[MAC_ADDRLEN]; };
#define mac_t struct mac_s

/*
 * generic SCSI cdb definition
 */
#define SCSI_MAX_CDBLEN     16
struct scsi_cdb_s {
	u8         scsi_cdb[SCSI_MAX_CDBLEN];
};
#define scsi_cdb_t struct scsi_cdb_s

/* ------------------------------------------------------------
 * SCSI status byte values
 * ------------------------------------------------------------
 */
#define SCSI_STATUS_GOOD                   0x00
#define SCSI_STATUS_CHECK_CONDITION        0x02
#define SCSI_STATUS_CONDITION_MET          0x04
#define SCSI_STATUS_BUSY                   0x08
#define SCSI_STATUS_INTERMEDIATE           0x10
#define SCSI_STATUS_ICM                    0x14 /* intermediate condition met */
#define SCSI_STATUS_RESERVATION_CONFLICT   0x18
#define SCSI_STATUS_COMMAND_TERMINATED     0x22
#define SCSI_STATUS_QUEUE_FULL             0x28
#define SCSI_STATUS_ACA_ACTIVE             0x30

#define SCSI_MAX_ALLOC_LEN      0xFF    /* maximum allocarion length */

/*
 * Fibre Channel Header Structure (FCHS) definition
 */
struct fchs_s {
#ifdef __BIGENDIAN
	u32        routing:4;	/* routing bits */
	u32        cat_info:4;	/* category info */
#else
	u32        cat_info:4;	/* category info */
	u32        routing:4;	/* routing bits */
#endif
	u32        d_id:24;	/* destination identifier */

	u32        cs_ctl:8;	/* class specific control */
	u32        s_id:24;	/* source identifier */

	u32        type:8;		/* data structure type */
	u32        f_ctl:24;	/* initial frame control */

	u8         seq_id;		/* sequence identifier */
	u8         df_ctl;		/* data field control */
	u16        seq_cnt;	/* sequence count */

	u16        ox_id;		/* originator exchange ID */
	u16        rx_id;		/* responder exchange ID */

	u32        ro;		/* relative offset */
};

#define FC_SOF_LEN		4
#define FC_EOF_LEN		4
#define FC_CRC_LEN		4

/*
 * Fibre Channel BB_E Header Structure
 */
struct fcbbehs_s {
	u16	ver_rsvd;
	u32	rsvd[2];
	u32	rsvd__sof;
};

#define FC_SEQ_ID_MAX		256

/*
 * routing bit definitions
 */
enum {
	FC_RTG_FC4_DEV_DATA	= 0x0,	/* FC-4 Device Data */
	FC_RTG_EXT_LINK		= 0x2,	/* Extended Link Data */
	FC_RTG_FC4_LINK_DATA	= 0x3,	/* FC-4 Link Data */
	FC_RTG_VIDEO_DATA	= 0x4,	/* Video Data */
	FC_RTG_EXT_HDR		= 0x5,	/* VFT, IFR or Encapsuled */
	FC_RTG_BASIC_LINK	= 0x8,	/* Basic Link data */
	FC_RTG_LINK_CTRL	= 0xC,	/* Link Control */
};

/*
 * information category for extended link data and FC-4 Link Data
 */
enum {
	FC_CAT_LD_REQUEST	= 0x2,	/* Request */
	FC_CAT_LD_REPLY		= 0x3,	/* Reply */
	FC_CAT_LD_DIAG		= 0xF,	/* for DIAG use only */
};

/*
 * information category for extended headers (VFT, IFR or encapsulation)
 */
enum {
	FC_CAT_VFT_HDR = 0x0,	/* Virtual fabric tagging header */
	FC_CAT_IFR_HDR = 0x1,	/* Inter-Fabric routing header */
	FC_CAT_ENC_HDR = 0x2,	/* Encapsulation header */
};

/*
 * information category for FC-4 device data
 */
enum {
	FC_CAT_UNCATEG_INFO	= 0x0,	/* Uncategorized information */
	FC_CAT_SOLICIT_DATA	= 0x1,	/* Solicited Data */
	FC_CAT_UNSOLICIT_CTRL	= 0x2,	/* Unsolicited Control */
	FC_CAT_SOLICIT_CTRL	= 0x3,	/* Solicited Control */
	FC_CAT_UNSOLICIT_DATA	= 0x4,	/* Unsolicited Data */
	FC_CAT_DATA_DESC	= 0x5,	/* Data Descriptor */
	FC_CAT_UNSOLICIT_CMD	= 0x6,	/* Unsolicited Command */
	FC_CAT_CMD_STATUS	= 0x7,	/* Command Status */
};

/*
 * information category for Link Control
 */
enum {
	FC_CAT_ACK_1		= 0x00,
	FC_CAT_ACK_0_N		= 0x01,
	FC_CAT_P_RJT		= 0x02,
	FC_CAT_F_RJT		= 0x03,
	FC_CAT_P_BSY		= 0x04,
	FC_CAT_F_BSY_DATA	= 0x05,
	FC_CAT_F_BSY_LINK_CTL	= 0x06,
	FC_CAT_F_LCR		= 0x07,
	FC_CAT_NTY		= 0x08,
	FC_CAT_END		= 0x09,
};

/*
 * Type Field Definitions. FC-PH Section 18.5 pg. 165
 */
enum {
	FC_TYPE_BLS		= 0x0,	/* Basic Link Service */
	FC_TYPE_ELS		= 0x1,	/* Extended Link Service */
	FC_TYPE_IP		= 0x5,	/* IP */
	FC_TYPE_FCP		= 0x8,	/* SCSI-FCP */
	FC_TYPE_GPP		= 0x9,	/* SCSI_GPP */
	FC_TYPE_SERVICES	= 0x20,	/* Fibre Channel Services */
	FC_TYPE_FC_FSS		= 0x22,	/* Fabric Switch Services */
	FC_TYPE_FC_AL		= 0x23,	/* FC-AL */
	FC_TYPE_FC_SNMP		= 0x24,	/* FC-SNMP */
	FC_TYPE_FC_SPINFAB	= 0xEE,	/* SPINFAB */
	FC_TYPE_FC_DIAG		= 0xEF,	/* DIAG */
	FC_TYPE_MAX		= 256,	/* 256 FC-4 types */
};

struct fc_fc4types_s {
	u8         bits[FC_TYPE_MAX / 8];
};

/*
 * Frame Control Definitions. FC-PH Table-45. pg. 168
 */
enum {
	FCTL_EC_ORIG = 0x000000,	/* exchange originator */
	FCTL_EC_RESP = 0x800000,	/* exchange responder */
	FCTL_SEQ_INI = 0x000000,	/* sequence initiator */
	FCTL_SEQ_REC = 0x400000,	/* sequence recipient */
	FCTL_FS_EXCH = 0x200000,	/* first sequence of xchg */
	FCTL_LS_EXCH = 0x100000,	/* last sequence of xchg */
	FCTL_END_SEQ = 0x080000,	/* last frame of sequence */
	FCTL_SI_XFER = 0x010000,	/* seq initiative transfer */
	FCTL_RO_PRESENT = 0x000008,	/* relative offset present */
	FCTL_FILLBYTE_MASK = 0x000003	/* , fill byte mask */
};

/*
 * Fabric Well Known Addresses
 */
enum {
	FC_MIN_WELL_KNOWN_ADDR		= 0xFFFFF0,
	FC_DOMAIN_CONTROLLER_MASK	= 0xFFFC00,
	FC_ALIAS_SERVER			= 0xFFFFF8,
	FC_MGMT_SERVER			= 0xFFFFFA,
	FC_TIME_SERVER			= 0xFFFFFB,
	FC_NAME_SERVER			= 0xFFFFFC,
	FC_FABRIC_CONTROLLER		= 0xFFFFFD,
	FC_FABRIC_PORT			= 0xFFFFFE,
	FC_BROADCAST_SERVER		= 0xFFFFFF
};

/*
 * domain/area/port defines
 */
#define FC_DOMAIN_MASK  0xFF0000
#define FC_DOMAIN_SHIFT 16
#define FC_AREA_MASK    0x00FF00
#define FC_AREA_SHIFT   8
#define FC_PORT_MASK    0x0000FF
#define FC_PORT_SHIFT   0

#define FC_GET_DOMAIN(p)	(((p) & FC_DOMAIN_MASK) >> FC_DOMAIN_SHIFT)
#define FC_GET_AREA(p)		(((p) & FC_AREA_MASK) >> FC_AREA_SHIFT)
#define FC_GET_PORT(p)		(((p) & FC_PORT_MASK) >> FC_PORT_SHIFT)

#define FC_DOMAIN_CTRLR(p)	(FC_DOMAIN_CONTROLLER_MASK | (FC_GET_DOMAIN(p)))

enum {
	FC_RXID_ANY = 0xFFFFU,
};

/*
 * generic ELS command
 */
struct fc_els_cmd_s {
	u32        els_code:8;	/* ELS Command Code */
	u32        reserved:24;
};

/*
 * ELS Command Codes. FC-PH Table-75. pg. 223
 */
enum {
	FC_ELS_LS_RJT = 0x1,	/* Link Service Reject. */
	FC_ELS_ACC = 0x02,	/* Accept */
	FC_ELS_PLOGI = 0x03,	/* N_Port Login. */
	FC_ELS_FLOGI = 0x04,	/* F_Port Login. */
	FC_ELS_LOGO = 0x05,	/* Logout. */
	FC_ELS_ABTX = 0x06,	/* Abort Exchange */
	FC_ELS_RES = 0x08,	/* Read Exchange status */
	FC_ELS_RSS = 0x09,	/* Read sequence status block */
	FC_ELS_RSI = 0x0A,	/* Request Sequence Initiative */
	FC_ELS_ESTC = 0x0C,	/* Estimate Credit. */
	FC_ELS_RTV = 0x0E,	/* Read Timeout Value. */
	FC_ELS_RLS = 0x0F,	/* Read Link Status. */
	FC_ELS_ECHO = 0x10,	/* Echo */
	FC_ELS_TEST = 0x11,	/* Test */
	FC_ELS_RRQ = 0x12,	/* Reinstate Recovery Qualifier. */
	FC_ELS_REC = 0x13,	/* Add this for TAPE support in FCR */
	FC_ELS_PRLI = 0x20,	/* Process Login */
	FC_ELS_PRLO = 0x21,	/* Process Logout. */
	FC_ELS_SCN = 0x22,	/* State Change Notification. */
	FC_ELS_TPRLO = 0x24,	/* Third Party Process Logout. */
	FC_ELS_PDISC = 0x50,	/* Discover N_Port Parameters. */
	FC_ELS_FDISC = 0x51,	/* Discover F_Port Parameters. */
	FC_ELS_ADISC = 0x52,	/* Discover Address. */
	FC_ELS_FARP_REQ = 0x54,	/* FARP Request. */
	FC_ELS_FARP_REP = 0x55,	/* FARP Reply. */
	FC_ELS_FAN = 0x60,	/* Fabric Address Notification */
	FC_ELS_RSCN = 0x61,	/* Reg State Change Notification */
	FC_ELS_SCR = 0x62,	/* State Change Registration. */
	FC_ELS_RTIN = 0x77,	/* Mangement server request */
	FC_ELS_RNID = 0x78,	/* Mangement server request */
	FC_ELS_RLIR = 0x79,	/* Registered Link Incident Record */

	FC_ELS_RPSC = 0x7D,	/* Report Port Speed Capabilities */
	FC_ELS_QSA = 0x7E,	/* Query Security Attributes. Ref FC-SP */
	FC_ELS_E2E_LBEACON = 0x81,
				/* End-to-End Link Beacon */
	FC_ELS_AUTH = 0x90,	/* Authentication. Ref FC-SP */
	FC_ELS_RFCN = 0x97,	/* Request Fabric Change Notification. Ref
				 *FC-SP */

};

/*
 *  Version numbers for FC-PH standards,
 *  used in login to indicate what port
 *  supports. See FC-PH-X table 158.
 */
enum {
	FC_PH_VER_4_3 = 0x09,
	FC_PH_VER_PH_3 = 0x20,
};

/*
 * PDU size defines
 */
enum {
	FC_MIN_PDUSZ = 512,
	FC_MAX_PDUSZ = 2112,
};

/*
 * N_Port PLOGI Common Service Parameters.
 * FC-PH-x. Figure-76. pg. 308.
 */
struct fc_plogi_csp_s {
	u8         verhi;	/* FC-PH high version */
	u8         verlo;	/* FC-PH low version */
	u16        bbcred;	/* BB_Credit */

#ifdef __BIGENDIAN
	u8         ciro:1,		/* continuously increasing RO */
			rro:1,		/* random relative offset */
			npiv_supp:1,	/* NPIV supported */
			port_type:1,	/* N_Port/F_port */
			altbbcred:1,	/* alternate BB_Credit */
			resolution:1,	/* ms/ns ED_TOV resolution */
			vvl_info:1,	/* VVL Info included */
			reserved1:1;

	u8         hg_supp:1,
			query_dbc:1,
			security:1,
			sync_cap:1,
			r_t_tov:1,
			dh_dup_supp:1,
			cisc:1,		/* continuously increasing seq count */
			payload:1;
#else
	u8         reserved2:2,
			resolution:1,	/* ms/ns ED_TOV resolution */
			altbbcred:1,	/* alternate BB_Credit */
			port_type:1,	/* N_Port/F_port */
			npiv_supp:1,	/* NPIV supported */
			rro:1,		/* random relative offset */
			ciro:1;		/* continuously increasing RO */

	u8         payload:1,
			cisc:1,		/* continuously increasing seq count */
			dh_dup_supp:1,
			r_t_tov:1,
			sync_cap:1,
			security:1,
			query_dbc:1,
			hg_supp:1;
#endif

	u16        rxsz;		/* recieve data_field size */

	u16        conseq;
	u16        ro_bitmap;

	u32        e_d_tov;
};

/*
 * N_Port PLOGI Class Specific Parameters.
 * FC-PH-x. Figure 78. pg. 318.
 */
struct fc_plogi_clp_s {
#ifdef __BIGENDIAN
	u32        class_valid:1;
	u32        intermix:1;	/* class intermix supported if set =1.
					 * valid only for class1. Reserved for
					 * class2 & class3
					 */
	u32        reserved1:2;
	u32        sequential:1;
	u32        reserved2:3;
#else
	u32        reserved2:3;
	u32        sequential:1;
	u32        reserved1:2;
	u32        intermix:1;	/* class intermix supported if set =1.
					 * valid only for class1. Reserved for
					 * class2 & class3
					 */
	u32        class_valid:1;
#endif

	u32        reserved3:24;

	u32        reserved4:16;
	u32        rxsz:16;	/* Receive data_field size */

	u32        reserved5:8;
	u32        conseq:8;
	u32        e2e_credit:16;	/* end to end credit */

	u32        reserved7:8;
	u32        ospx:8;
	u32        reserved8:16;
};

/* ASCII value for each character in string "BRCD" */
#define FLOGI_VVL_BRCD    0x42524344

/*
 * PLOGI els command and reply payload
 */
struct fc_logi_s {
	struct fc_els_cmd_s els_cmd;	/* ELS command code */
	struct fc_plogi_csp_s csp;		/* common service params */
	wwn_t           port_name;
	wwn_t           node_name;
	struct fc_plogi_clp_s class1;		/* class 1 service parameters */
	struct fc_plogi_clp_s class2;		/* class 2 service parameters */
	struct fc_plogi_clp_s class3;		/* class 3 service parameters */
	struct fc_plogi_clp_s class4;		/* class 4 service parameters */
	u8         vvl[16];	/* vendor version level */
};

/*
 * LOGO els command payload
 */
struct fc_logo_s {
	struct fc_els_cmd_s els_cmd;	/* ELS command code */
	u32        res1:8;
	u32        nport_id:24;	/* N_Port identifier of source */
	wwn_t           orig_port_name;	/* Port name of the LOGO originator */
};

/*
 * ADISC els command payload
 */
struct fc_adisc_s {
	struct fc_els_cmd_s els_cmd;	/* ELS command code */
	u32        res1:8;
	u32        orig_HA:24;	/* originator hard address */
	wwn_t           orig_port_name;	/* originator port name */
	wwn_t           orig_node_name;	/* originator node name */
	u32        res2:8;
	u32        nport_id:24;	/* originator NPortID */
};

/*
 * Exchange status block
 */
struct fc_exch_status_blk_s {
	u32        oxid:16;
	u32        rxid:16;
	u32        res1:8;
	u32        orig_np:24;	/* originator NPortID */
	u32        res2:8;
	u32        resp_np:24;	/* responder NPortID */
	u32        es_bits;
	u32        res3;
	/*
	 * un modified section of the fields
	 */
};

/*
 * RES els command payload
 */
struct fc_res_s {
	struct fc_els_cmd_s els_cmd;	/* ELS command code */
	u32        res1:8;
	u32        nport_id:24;	/* N_Port identifier of source */
	u32        oxid:16;
	u32        rxid:16;
	u8         assoc_hdr[32];
};

/*
 * RES els accept payload
 */
struct fc_res_acc_s {
	struct fc_els_cmd_s		els_cmd;	/* ELS command code */
	struct fc_exch_status_blk_s	fc_exch_blk; /* Exchange status block */
};

/*
 * REC els command payload
 */
struct fc_rec_s {
	struct fc_els_cmd_s els_cmd;	/* ELS command code */
	u32        res1:8;
	u32        nport_id:24;	/* N_Port identifier of source */
	u32        oxid:16;
	u32        rxid:16;
};

#define FC_REC_ESB_OWN_RSP	0x80000000	/* responder owns */
#define FC_REC_ESB_SI		0x40000000	/* SI is owned	*/
#define FC_REC_ESB_COMP		0x20000000	/* exchange is complete	*/
#define FC_REC_ESB_ENDCOND_ABN	0x10000000	/* abnormal ending	*/
#define FC_REC_ESB_RQACT	0x04000000	/* recovery qual active	*/
#define FC_REC_ESB_ERRP_MSK	0x03000000
#define FC_REC_ESB_OXID_INV	0x00800000	/* invalid OXID		*/
#define FC_REC_ESB_RXID_INV	0x00400000	/* invalid RXID		*/
#define FC_REC_ESB_PRIO_INUSE	0x00200000

/*
 * REC els accept payload
 */
struct fc_rec_acc_s {
	struct fc_els_cmd_s els_cmd;	/* ELS command code */
	u32        oxid:16;
	u32        rxid:16;
	u32        res1:8;
	u32        orig_id:24;	/* N_Port id of exchange originator */
	u32        res2:8;
	u32        resp_id:24;	/* N_Port id of exchange responder */
	u32        count;		/* data transfer count */
	u32        e_stat;		/* exchange status */
};

/*
 * RSI els payload
 */
struct fc_rsi_s {
	struct fc_els_cmd_s els_cmd;
	u32        res1:8;
	u32        orig_sid:24;
	u32        oxid:16;
	u32        rxid:16;
};

/*
 * structure for PRLI paramater pages, both request & response
 * see FC-PH-X table 113 & 115 for explanation also FCP table 8
 */
struct fc_prli_params_s {
	u32        reserved:16;
#ifdef __BIGENDIAN
	u32        reserved1:5;
	u32        rec_support:1;
	u32        task_retry_id:1;
	u32        retry:1;

	u32        confirm:1;
	u32        doverlay:1;
	u32        initiator:1;
	u32        target:1;
	u32        cdmix:1;
	u32        drmix:1;
	u32        rxrdisab:1;
	u32        wxrdisab:1;
#else
	u32        retry:1;
	u32        task_retry_id:1;
	u32        rec_support:1;
	u32        reserved1:5;

	u32        wxrdisab:1;
	u32        rxrdisab:1;
	u32        drmix:1;
	u32        cdmix:1;
	u32        target:1;
	u32        initiator:1;
	u32        doverlay:1;
	u32        confirm:1;
#endif
};

/*
 * valid values for rspcode in PRLI ACC payload
 */
enum {
	FC_PRLI_ACC_XQTD = 0x1,		/* request executed */
	FC_PRLI_ACC_PREDEF_IMG = 0x5,	/* predefined image - no prli needed */
};

struct fc_prli_params_page_s {
	u32        type:8;
	u32        codext:8;
#ifdef __BIGENDIAN
	u32        origprocasv:1;
	u32        rsppav:1;
	u32        imagepair:1;
	u32        reserved1:1;
	u32        rspcode:4;
#else
	u32        rspcode:4;
	u32        reserved1:1;
	u32        imagepair:1;
	u32        rsppav:1;
	u32        origprocasv:1;
#endif
	u32        reserved2:8;

	u32        origprocas;
	u32        rspprocas;
	struct fc_prli_params_s servparams;
};

/*
 * PRLI request and accept payload, FC-PH-X tables 112 & 114
 */
struct fc_prli_s {
	u32        command:8;
	u32        pglen:8;
	u32        pagebytes:16;
	struct fc_prli_params_page_s parampage;
};

/*
 * PRLO logout params page
 */
struct fc_prlo_params_page_s {
	u32        type:8;
	u32        type_ext:8;
#ifdef __BIGENDIAN
	u32        opa_valid:1;	/* originator process associator
					 * valid
					 */
	u32        rpa_valid:1;	/* responder process associator valid */
	u32        res1:14;
#else
	u32        res1:14;
	u32        rpa_valid:1;	/* responder process associator valid */
	u32        opa_valid:1;	/* originator process associator
					 * valid
					 */
#endif
	u32        orig_process_assc;
	u32        resp_process_assc;

	u32        res2;
};

/*
 * PRLO els command payload
 */
struct fc_prlo_s {
	u32	command:8;
	u32	page_len:8;
	u32	payload_len:16;
	struct fc_prlo_params_page_s	prlo_params[1];
};

/*
 * PRLO Logout response parameter page
 */
struct fc_prlo_acc_params_page_s {
	u32        type:8;
	u32        type_ext:8;

#ifdef __BIGENDIAN
	u32        opa_valid:1;	/* originator process associator
					 * valid
					 */
	u32        rpa_valid:1;	/* responder process associator valid */
	u32        res1:14;
#else
	u32        res1:14;
	u32        rpa_valid:1;	/* responder process associator valid */
	u32        opa_valid:1;	/* originator process associator
					 * valid
					 */
#endif
	u32        orig_process_assc;
	u32        resp_process_assc;

	u32        fc4type_csp;
};

/*
 * PRLO els command ACC payload
 */
struct fc_prlo_acc_s {
	u32        command:8;
	u32        page_len:8;
	u32        payload_len:16;
	struct fc_prlo_acc_params_page_s prlo_acc_params[1];
};

/*
 * SCR els command payload
 */
enum {
	FC_SCR_REG_FUNC_FABRIC_DETECTED = 0x01,
	FC_SCR_REG_FUNC_N_PORT_DETECTED = 0x02,
	FC_SCR_REG_FUNC_FULL = 0x03,
	FC_SCR_REG_FUNC_CLEAR_REG = 0xFF,
};

/* SCR VU registrations */
enum {
	FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE = 0x01
};

struct fc_scr_s {
	u32 command:8;
	u32 res:24;
	u32 vu_reg_func:8; /* Vendor Unique Registrations */
	u32 res1:16;
	u32 reg_func:8;
};

/*
 * Information category for Basic link data
 */
enum {
	FC_CAT_NOP	= 0x0,
	FC_CAT_ABTS	= 0x1,
	FC_CAT_RMC	= 0x2,
	FC_CAT_BA_ACC	= 0x4,
	FC_CAT_BA_RJT	= 0x5,
	FC_CAT_PRMT	= 0x6,
};

/*
 * LS_RJT els reply payload
 */
struct fc_ls_rjt_s {
	struct fc_els_cmd_s els_cmd;		/* ELS command code */
	u32        res1:8;
	u32        reason_code:8;		/* Reason code for reject */
	u32        reason_code_expl:8;	/* Reason code explanation */
	u32        vendor_unique:8;	/* Vendor specific */
};

/*
 * LS_RJT reason codes
 */
enum {
	FC_LS_RJT_RSN_INV_CMD_CODE	= 0x01,
	FC_LS_RJT_RSN_LOGICAL_ERROR	= 0x03,
	FC_LS_RJT_RSN_LOGICAL_BUSY	= 0x05,
	FC_LS_RJT_RSN_PROTOCOL_ERROR	= 0x07,
	FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD = 0x09,
	FC_LS_RJT_RSN_CMD_NOT_SUPP	= 0x0B,
};

/*
 * LS_RJT reason code explanation
 */
enum {
	FC_LS_RJT_EXP_NO_ADDL_INFO		= 0x00,
	FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS	= 0x01,
	FC_LS_RJT_EXP_SPARMS_ERR_INI_CTL	= 0x03,
	FC_LS_RJT_EXP_SPARMS_ERR_REC_CTL	= 0x05,
	FC_LS_RJT_EXP_SPARMS_ERR_RXSZ		= 0x07,
	FC_LS_RJT_EXP_SPARMS_ERR_CONSEQ		= 0x09,
	FC_LS_RJT_EXP_SPARMS_ERR_CREDIT		= 0x0B,
	FC_LS_RJT_EXP_INV_PORT_NAME		= 0x0D,
	FC_LS_RJT_EXP_INV_NODE_FABRIC_NAME	= 0x0E,
	FC_LS_RJT_EXP_INV_CSP			= 0x0F,
	FC_LS_RJT_EXP_INV_ASSOC_HDR		= 0x11,
	FC_LS_RJT_EXP_ASSOC_HDR_REQD		= 0x13,
	FC_LS_RJT_EXP_INV_ORIG_S_ID		= 0x15,
	FC_LS_RJT_EXP_INV_OXID_RXID_COMB	= 0x17,
	FC_LS_RJT_EXP_CMD_ALREADY_IN_PROG	= 0x19,
	FC_LS_RJT_EXP_LOGIN_REQUIRED		= 0x1E,
	FC_LS_RJT_EXP_INVALID_NPORT_ID		= 0x1F,
	FC_LS_RJT_EXP_INSUFF_RES		= 0x29,
	FC_LS_RJT_EXP_CMD_NOT_SUPP		= 0x2C,
	FC_LS_RJT_EXP_INV_PAYLOAD_LEN		= 0x2D,
};

/*
 * RRQ els command payload
 */
struct fc_rrq_s {
	struct fc_els_cmd_s els_cmd;	/* ELS command code */
	u32        res1:8;
	u32        s_id:24;	/* exchange originator S_ID */

	u32        ox_id:16;	/* originator exchange ID */
	u32        rx_id:16;	/* responder exchange ID */

	u32        res2[8];	/* optional association header */
};

/*
 * ABTS BA_ACC reply payload
 */
struct fc_ba_acc_s {
	u32        seq_id_valid:8;	/* set to 0x00 for Abort Exchange */
	u32        seq_id:8;	/* invalid for Abort Exchange */
	u32        res2:16;
	u32        ox_id:16;	/* OX_ID from ABTS frame */
	u32        rx_id:16;	/* RX_ID from ABTS frame */
	u32        low_seq_cnt:16;	/* set to 0x0000 for Abort Exchange */
	u32        high_seq_cnt:16;/* set to 0xFFFF for Abort Exchange */
};

/*
 * ABTS BA_RJT reject payload
 */
struct fc_ba_rjt_s {
	u32        res1:8;		/* Reserved */
	u32        reason_code:8;	/* reason code for reject */
	u32        reason_expl:8;	/* reason code explanation */
	u32        vendor_unique:8;/* vendor unique reason code,set to 0 */
};

/*
 * TPRLO logout parameter page
 */
struct fc_tprlo_params_page_s {
u32        type:8;
u32        type_ext:8;

#ifdef __BIGENDIAN
	u32        opa_valid:1;
	u32        rpa_valid:1;
	u32        tpo_nport_valid:1;
	u32        global_process_logout:1;
	u32        res1:12;
#else
	u32        res1:12;
	u32        global_process_logout:1;
	u32        tpo_nport_valid:1;
	u32        rpa_valid:1;
	u32        opa_valid:1;
#endif

	u32        orig_process_assc;
	u32        resp_process_assc;

	u32        res2:8;
	u32        tpo_nport_id;
};

/*
 * TPRLO ELS command payload
 */
struct fc_tprlo_s {
	u32        command:8;
	u32        page_len:8;
	u32        payload_len:16;

	struct fc_tprlo_params_page_s tprlo_params[1];
};

enum fc_tprlo_type {
	FC_GLOBAL_LOGO = 1,
	FC_TPR_LOGO
};

/*
 * TPRLO els command ACC payload
 */
struct fc_tprlo_acc_s {
	u32	command:8;
	u32	page_len:8;
	u32	payload_len:16;
	struct fc_prlo_acc_params_page_s tprlo_acc_params[1];
};

/*
 * RSCN els command req payload
 */
#define FC_RSCN_PGLEN	0x4

enum fc_rscn_format {
	FC_RSCN_FORMAT_PORTID	= 0x0,
	FC_RSCN_FORMAT_AREA	= 0x1,
	FC_RSCN_FORMAT_DOMAIN	= 0x2,
	FC_RSCN_FORMAT_FABRIC	= 0x3,
};

struct fc_rscn_event_s {
	u32        format:2;
	u32        qualifier:4;
	u32        resvd:2;
	u32        portid:24;
};

struct fc_rscn_pl_s {
	u8         command;
	u8         pagelen;
	u16        payldlen;
	struct fc_rscn_event_s event[1];
};

/*
 * ECHO els command req payload
 */
struct fc_echo_s {
	struct fc_els_cmd_s els_cmd;
};

/*
 * RNID els command
 */

#define RNID_NODEID_DATA_FORMAT_COMMON			0x00
#define RNID_NODEID_DATA_FORMAT_FCP3			0x08
#define RNID_NODEID_DATA_FORMAT_DISCOVERY		0xDF

#define RNID_ASSOCIATED_TYPE_UNKNOWN			0x00000001
#define RNID_ASSOCIATED_TYPE_OTHER                      0x00000002
#define RNID_ASSOCIATED_TYPE_HUB                        0x00000003
#define RNID_ASSOCIATED_TYPE_SWITCH                     0x00000004
#define RNID_ASSOCIATED_TYPE_GATEWAY                    0x00000005
#define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE             0x00000009
#define RNID_ASSOCIATED_TYPE_HOST                       0x0000000A
#define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM          0x0000000B
#define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE      0x0000000E
#define RNID_ASSOCIATED_TYPE_NAS_SERVER                 0x00000011
#define RNID_ASSOCIATED_TYPE_BRIDGE                     0x00000002
#define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE      0x00000003
#define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE      0x000000FF

/*
 * RNID els command payload
 */
struct fc_rnid_cmd_s {
	struct fc_els_cmd_s els_cmd;
	u32        node_id_data_format:8;
	u32        reserved:24;
};

/*
 * RNID els response payload
 */

struct fc_rnid_common_id_data_s {
	wwn_t           port_name;
	wwn_t           node_name;
};

struct fc_rnid_general_topology_data_s {
	u32        vendor_unique[4];
	u32        asso_type;
	u32        phy_port_num;
	u32        num_attached_nodes;
	u32        node_mgmt:8;
	u32        ip_version:8;
	u32        udp_tcp_port_num:16;
	u32        ip_address[4];
	u32        reserved:16;
	u32        vendor_specific:16;
};

struct fc_rnid_acc_s {
	struct fc_els_cmd_s els_cmd;
	u32        node_id_data_format:8;
	u32        common_id_data_length:8;
	u32        reserved:8;
	u32        specific_id_data_length:8;
	struct fc_rnid_common_id_data_s common_id_data;
	struct fc_rnid_general_topology_data_s gen_topology_data;
};

#define RNID_ASSOCIATED_TYPE_UNKNOWN                    0x00000001
#define RNID_ASSOCIATED_TYPE_OTHER                      0x00000002
#define RNID_ASSOCIATED_TYPE_HUB                        0x00000003
#define RNID_ASSOCIATED_TYPE_SWITCH                     0x00000004
#define RNID_ASSOCIATED_TYPE_GATEWAY                    0x00000005
#define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE             0x00000009
#define RNID_ASSOCIATED_TYPE_HOST                       0x0000000A
#define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM          0x0000000B
#define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE      0x0000000E
#define RNID_ASSOCIATED_TYPE_NAS_SERVER                 0x00000011
#define RNID_ASSOCIATED_TYPE_BRIDGE                     0x00000002
#define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE      0x00000003
#define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE      0x000000FF

enum fc_rpsc_speed_cap {
	RPSC_SPEED_CAP_1G = 0x8000,
	RPSC_SPEED_CAP_2G = 0x4000,
	RPSC_SPEED_CAP_4G = 0x2000,
	RPSC_SPEED_CAP_10G = 0x1000,
	RPSC_SPEED_CAP_8G = 0x0800,
	RPSC_SPEED_CAP_16G = 0x0400,

	RPSC_SPEED_CAP_UNKNOWN = 0x0001,
};

enum fc_rpsc_op_speed {
	RPSC_OP_SPEED_1G = 0x8000,
	RPSC_OP_SPEED_2G = 0x4000,
	RPSC_OP_SPEED_4G = 0x2000,
	RPSC_OP_SPEED_10G = 0x1000,
	RPSC_OP_SPEED_8G = 0x0800,
	RPSC_OP_SPEED_16G = 0x0400,

	RPSC_OP_SPEED_NOT_EST = 0x0001,	/*! speed not established */
};

struct fc_rpsc_speed_info_s {
	u16        port_speed_cap;	/*! see enum fc_rpsc_speed_cap */
	u16        port_op_speed;	/*! see enum fc_rpsc_op_speed */
};

enum link_e2e_beacon_subcmd {
	LINK_E2E_BEACON_ON = 1,
	LINK_E2E_BEACON_OFF = 2
};

enum beacon_type {
	BEACON_TYPE_NORMAL	= 1,	/*! Normal Beaconing. Green */
	BEACON_TYPE_WARN	= 2,	/*! Warning Beaconing. Yellow/Amber */
	BEACON_TYPE_CRITICAL	= 3	/*! Critical Beaconing. Red */
};

struct link_e2e_beacon_param_s {
	u8         beacon_type;	/* Beacon Type. See enum beacon_type */
	u8         beacon_frequency;
					/* Beacon frequency. Number of blinks
					 * per 10 seconds
					 */
	u16        beacon_duration;/* Beacon duration (in Seconds). The
					 * command operation should be
					 * terminated at the end of this
					 * timeout value.
					 *
					 * Ignored if diag_sub_cmd is
					 * LINK_E2E_BEACON_OFF.
					 *
					 * If 0, beaconing will continue till a
					 * BEACON OFF request is received
					 */
};

/*
 * Link E2E beacon request/good response format.
 * For LS_RJTs use struct fc_ls_rjt_s
 */
struct link_e2e_beacon_req_s {
	u32        ls_code;	/*! FC_ELS_E2E_LBEACON in requests *
					 *or FC_ELS_ACC in good replies */
	u32        ls_sub_cmd;	/*! See enum link_e2e_beacon_subcmd */
	struct link_e2e_beacon_param_s beacon_parm;
};

/**
 * If RPSC request is sent to the Domain Controller, the request is for
 * all the ports within that domain (TODO - I don't think FOS implements
 * this...).
 */
struct fc_rpsc_cmd_s {
	struct fc_els_cmd_s els_cmd;
};

/*
 * RPSC Acc
 */
struct fc_rpsc_acc_s {
	u32        command:8;
	u32        rsvd:8;
	u32        num_entries:16;

	struct fc_rpsc_speed_info_s speed_info[1];
};

/**
 * If RPSC2 request is sent to the Domain Controller,
 */
#define FC_BRCD_TOKEN    0x42524344

struct fc_rpsc2_cmd_s {
	struct fc_els_cmd_s els_cmd;
	u32	token;
	u16	resvd;
	u16	num_pids;	/* Number of pids in the request */
	struct  {
		u32	rsvd1:8;
		u32	pid:24;		/* port identifier */
	} pid_list[1];
};

enum fc_rpsc2_port_type {
	RPSC2_PORT_TYPE_UNKNOWN = 0,
	RPSC2_PORT_TYPE_NPORT   = 1,
	RPSC2_PORT_TYPE_NLPORT  = 2,
	RPSC2_PORT_TYPE_NPIV_PORT  = 0x5f,
	RPSC2_PORT_TYPE_NPORT_TRUNK  = 0x6f,
};
/*
 * RPSC2 portInfo entry structure
 */
struct fc_rpsc2_port_info_s {
    u32    pid;        /* PID */
    u16    resvd1;
    u16    index;      /* port number / index */
    u8     resvd2;
    u8	   type;	/* port type N/NL/... */
    u16    speed;      /* port Operating Speed */
};

/*
 * RPSC2 Accept payload
 */
struct fc_rpsc2_acc_s {
	u8        els_cmd;
	u8        resvd;
    u16       num_pids;  /* Number of pids in the request */
    struct fc_rpsc2_port_info_s port_info[1];    /* port information */
};

/**
 * bit fields so that multiple classes can be specified
 */
enum fc_cos {
	FC_CLASS_2	= 0x04,
	FC_CLASS_3	= 0x08,
	FC_CLASS_2_3	= 0x0C,
};

/*
 * symbolic name
 */
struct fc_symname_s {
	u8         symname[FC_SYMNAME_MAX];
};

struct fc_alpabm_s {
	u8         alpa_bm[FC_ALPA_MAX / 8];
};

/*
 * protocol default timeout values
 */
#define FC_ED_TOV		2
#define FC_REC_TOV		(FC_ED_TOV + 1)
#define FC_RA_TOV		10
#define FC_ELS_TOV		(2 * FC_RA_TOV)
#define FC_FCCT_TOV		(3 * FC_RA_TOV)

/*
 * virtual fabric related defines
 */
#define FC_VF_ID_NULL    0	/*  must not be used as VF_ID */
#define FC_VF_ID_MIN     1
#define FC_VF_ID_MAX     0xEFF
#define FC_VF_ID_CTL     0xFEF	/*  control VF_ID */

/**
 * Virtual Fabric Tagging header format
 * @caution This is defined only in BIG ENDIAN format.
 */
struct fc_vft_s {
	u32        r_ctl:8;
	u32        ver:2;
	u32        type:4;
	u32        res_a:2;
	u32        priority:3;
	u32        vf_id:12;
	u32        res_b:1;
	u32        hopct:8;
	u32        res_c:24;
};

/*
 * FCP
 */
enum {
	FCP_RJT		= 0x01000000,	/* SRR reject */
	FCP_SRR_ACCEPT	= 0x02000000,	/* SRR accept */
	FCP_SRR		= 0x14000000,	/* Sequence Retransmission Request */
};

/*
 * SRR FC-4 LS payload
 */
struct fc_srr_s {
	u32	ls_cmd;
	u32        ox_id:16;	/* ox-id */
	u32        rx_id:16;	/* rx-id */
	u32        ro;		/* relative offset */
	u32        r_ctl:8;		/* R_CTL for I.U. */
	u32        res:24;
};


/*
 * FCP_CMND definitions
 */
#define FCP_CMND_CDB_LEN    16
#define FCP_CMND_LUN_LEN    8

struct fcp_cmnd_s {
	lun_t           lun;		/* 64-bit LU number */
	u8         crn;		/* command reference number */
#ifdef __BIGENDIAN
	u8         resvd:1,
			priority:4,	/* FCP-3: SAM-3 priority */
			taskattr:3;	/* scsi task attribute */
#else
	u8         taskattr:3,	/* scsi task attribute */
			priority:4,	/* FCP-3: SAM-3 priority */
			resvd:1;
#endif
	u8         tm_flags;	/* task management flags */
#ifdef __BIGENDIAN
	u8         addl_cdb_len:6,	/* additional CDB length words */
			iodir:2;	/* read/write FCP_DATA IUs */
#else
	u8         iodir:2,	/* read/write FCP_DATA IUs */
			addl_cdb_len:6;	/* additional CDB length */
#endif
	scsi_cdb_t      cdb;

	/*
	 * !!! additional cdb bytes follows here!!!
	 */
	u32        fcp_dl;	/* bytes to be transferred */
};

#define fcp_cmnd_cdb_len(_cmnd) ((_cmnd)->addl_cdb_len * 4 + FCP_CMND_CDB_LEN)
#define fcp_cmnd_fcpdl(_cmnd)	((&(_cmnd)->fcp_dl)[(_cmnd)->addl_cdb_len])

/*
 * struct fcp_cmnd_s .iodir field values
 */
enum fcp_iodir {
	FCP_IODIR_NONE	= 0,
	FCP_IODIR_WRITE = 1,
	FCP_IODIR_READ	= 2,
	FCP_IODIR_RW	= 3,
};

/*
 * Task attribute field
 */
enum {
	FCP_TASK_ATTR_SIMPLE	= 0,
	FCP_TASK_ATTR_HOQ	= 1,
	FCP_TASK_ATTR_ORDERED	= 2,
	FCP_TASK_ATTR_ACA	= 4,
	FCP_TASK_ATTR_UNTAGGED	= 5,	/* obsolete in FCP-3 */
};

/*
 * Task management flags field - only one bit shall be set
 */
enum fcp_tm_cmnd {
	FCP_TM_ABORT_TASK_SET	= BIT(1),
	FCP_TM_CLEAR_TASK_SET	= BIT(2),
	FCP_TM_LUN_RESET	= BIT(4),
	FCP_TM_TARGET_RESET	= BIT(5),	/* obsolete in FCP-3 */
	FCP_TM_CLEAR_ACA	= BIT(6),
};

/*
 * FCP_XFER_RDY IU defines
 */
struct fcp_xfer_rdy_s {
	u32        data_ro;
	u32        burst_len;
	u32        reserved;
};

/*
 * FCP_RSP residue flags
 */
enum fcp_residue {
	FCP_NO_RESIDUE = 0,	/* no residue */
	FCP_RESID_OVER = 1,	/* more data left that was not sent */
	FCP_RESID_UNDER = 2,	/* less data than requested */
};

enum {
	FCP_RSPINFO_GOOD = 0,
	FCP_RSPINFO_DATALEN_MISMATCH = 1,
	FCP_RSPINFO_CMND_INVALID = 2,
	FCP_RSPINFO_ROLEN_MISMATCH = 3,
	FCP_RSPINFO_TM_NOT_SUPP = 4,
	FCP_RSPINFO_TM_FAILED = 5,
};

struct fcp_rspinfo_s {
	u32        res0:24;
	u32        rsp_code:8;	/* response code (as above) */
	u32        res1;
};

struct fcp_resp_s {
	u32        reserved[2];	/* 2 words reserved */
	u16        reserved2;
#ifdef __BIGENDIAN
	u8         reserved3:3;
	u8         fcp_conf_req:1;	/* FCP_CONF is requested */
	u8         resid_flags:2;	/* underflow/overflow */
	u8         sns_len_valid:1;/* sense len is valid */
	u8         rsp_len_valid:1;/* response len is valid */
#else
	u8         rsp_len_valid:1;/* response len is valid */
	u8         sns_len_valid:1;/* sense len is valid */
	u8         resid_flags:2;	/* underflow/overflow */
	u8         fcp_conf_req:1;	/* FCP_CONF is requested */
	u8         reserved3:3;
#endif
	u8         scsi_status;	/* one byte SCSI status */
	u32        residue;	/* residual data bytes */
	u32        sns_len;	/* length od sense info */
	u32        rsp_len;	/* length of response info */
};

#define fcp_snslen(__fcprsp)	((__fcprsp)->sns_len_valid ?		\
					(__fcprsp)->sns_len : 0)
#define fcp_rsplen(__fcprsp)	((__fcprsp)->rsp_len_valid ?		\
					(__fcprsp)->rsp_len : 0)
#define fcp_rspinfo(__fcprsp)	((struct fcp_rspinfo_s *)((__fcprsp) + 1))
#define fcp_snsinfo(__fcprsp)	(((u8 *)fcp_rspinfo(__fcprsp)) +	\
						fcp_rsplen(__fcprsp))

struct fcp_cmnd_fr_s {
	struct fchs_s fchs;
	struct fcp_cmnd_s fcp;
};

/*
 * CT
 */
struct ct_hdr_s {
	u32	rev_id:8;	/* Revision of the CT */
	u32	in_id:24;	/* Initiator Id */
	u32	gs_type:8;	/* Generic service Type */
	u32	gs_sub_type:8;	/* Generic service sub type */
	u32	options:8;	/* options */
	u32	rsvrd:8;	/* reserved */
	u32	cmd_rsp_code:16;/* ct command/response code */
	u32	max_res_size:16;/* maximum/residual size */
	u32	frag_id:8;	/* fragment ID */
	u32	reason_code:8;	/* reason code */
	u32	exp_code:8;	/* explanation code */
	u32	vendor_unq:8;	/* vendor unique */
};

/*
 * defines for the Revision
 */
enum {
	CT_GS3_REVISION = 0x01,
};

/*
 * defines for gs_type
 */
enum {
	CT_GSTYPE_KEYSERVICE	= 0xF7,
	CT_GSTYPE_ALIASSERVICE	= 0xF8,
	CT_GSTYPE_MGMTSERVICE	= 0xFA,
	CT_GSTYPE_TIMESERVICE	= 0xFB,
	CT_GSTYPE_DIRSERVICE	= 0xFC,
};

/*
 * defines for gs_sub_type for gs type directory service
 */
enum {
	CT_GSSUBTYPE_NAMESERVER = 0x02,
};

/*
 * defines for gs_sub_type for gs type management service
 */
enum {
	CT_GSSUBTYPE_CFGSERVER	= 0x01,
	CT_GSSUBTYPE_UNZONED_NS = 0x02,
	CT_GSSUBTYPE_ZONESERVER = 0x03,
	CT_GSSUBTYPE_LOCKSERVER = 0x04,
	CT_GSSUBTYPE_HBA_MGMTSERVER = 0x10,	/* for FDMI */
};

/*
 * defines for CT response code field
 */
enum {
	CT_RSP_REJECT = 0x8001,
	CT_RSP_ACCEPT = 0x8002,
};

/*
 * defintions for CT reason code
 */
enum {
	CT_RSN_INV_CMD		= 0x01,
	CT_RSN_INV_VER		= 0x02,
	CT_RSN_LOGIC_ERR	= 0x03,
	CT_RSN_INV_SIZE		= 0x04,
	CT_RSN_LOGICAL_BUSY	= 0x05,
	CT_RSN_PROTO_ERR	= 0x07,
	CT_RSN_UNABLE_TO_PERF	= 0x09,
	CT_RSN_NOT_SUPP			= 0x0B,
	CT_RSN_SERVER_NOT_AVBL  = 0x0D,
	CT_RSN_SESSION_COULD_NOT_BE_ESTBD = 0x0E,
	CT_RSN_VENDOR_SPECIFIC  = 0xFF,

};

/*
 * definitions for explanations code for Name server
 */
enum {
	CT_NS_EXP_NOADDITIONAL	= 0x00,
	CT_NS_EXP_ID_NOT_REG	= 0x01,
	CT_NS_EXP_PN_NOT_REG	= 0x02,
	CT_NS_EXP_NN_NOT_REG	= 0x03,
	CT_NS_EXP_CS_NOT_REG	= 0x04,
	CT_NS_EXP_IPN_NOT_REG	= 0x05,
	CT_NS_EXP_IPA_NOT_REG	= 0x06,
	CT_NS_EXP_FT_NOT_REG	= 0x07,
	CT_NS_EXP_SPN_NOT_REG	= 0x08,
	CT_NS_EXP_SNN_NOT_REG	= 0x09,
	CT_NS_EXP_PT_NOT_REG	= 0x0A,
	CT_NS_EXP_IPP_NOT_REG	= 0x0B,
	CT_NS_EXP_FPN_NOT_REG	= 0x0C,
	CT_NS_EXP_HA_NOT_REG	= 0x0D,
	CT_NS_EXP_FD_NOT_REG	= 0x0E,
	CT_NS_EXP_FF_NOT_REG	= 0x0F,
	CT_NS_EXP_ACCESSDENIED	= 0x10,
	CT_NS_EXP_UNACCEPTABLE_ID = 0x11,
	CT_NS_EXP_DATABASEEMPTY		= 0x12,
	CT_NS_EXP_NOT_REG_IN_SCOPE	= 0x13,
	CT_NS_EXP_DOM_ID_NOT_PRESENT	= 0x14,
	CT_NS_EXP_PORT_NUM_NOT_PRESENT	= 0x15,
	CT_NS_EXP_NO_DEVICE_ATTACHED	= 0x16
};

/*
 * defintions for the explanation code for all servers
 */
enum {
	CT_EXP_AUTH_EXCEPTION			= 0xF1,
	CT_EXP_DB_FULL					= 0xF2,
	CT_EXP_DB_EMPTY					= 0xF3,
	CT_EXP_PROCESSING_REQ			= 0xF4,
	CT_EXP_UNABLE_TO_VERIFY_CONN	= 0xF5,
	CT_EXP_DEVICES_NOT_IN_CMN_ZONE  = 0xF6
};

/*
 * Command codes for Name server
 */
enum {
	GS_GID_PN	= 0x0121,	/* Get Id on port name */
	GS_GPN_ID	= 0x0112,	/* Get port name on ID */
	GS_GNN_ID	= 0x0113,	/* Get node name on ID */
	GS_GID_FT	= 0x0171,	/* Get Id on FC4 type */
	GS_GSPN_ID	= 0x0118,	/* Get symbolic PN on ID */
	GS_RFT_ID	= 0x0217,	/* Register fc4type on ID */
	GS_RSPN_ID	= 0x0218,	/* Register symbolic PN on ID */
	GS_RPN_ID	= 0x0212,	/* Register port name */
	GS_RNN_ID	= 0x0213,	/* Register node name */
	GS_RCS_ID	= 0x0214,	/* Register class of service */
	GS_RPT_ID	= 0x021A,	/* Register port type */
	GS_GA_NXT	= 0x0100,	/* Get all next */
	GS_RFF_ID	= 0x021F,	/* Register FC4 Feature		*/
};

struct fcgs_id_req_s{
	u32 rsvd:8;
	u32 dap:24; /* port identifier */
};
#define fcgs_gpnid_req_t struct fcgs_id_req_s
#define fcgs_gnnid_req_t struct fcgs_id_req_s
#define fcgs_gspnid_req_t struct fcgs_id_req_s

struct fcgs_gidpn_req_s {
	wwn_t	port_name;	/* port wwn */
};

struct fcgs_gidpn_resp_s {
	u32	rsvd:8;
	u32	dap:24;	/* port identifier */
};

/**
 * RFT_ID
 */
struct fcgs_rftid_req_s {
	u32	rsvd:8;
	u32	dap:24;		/* port identifier */
	u32	fc4_type[8];	/* fc4 types */
};

/**
 * RFF_ID : Register FC4 features.
 */

#define FC_GS_FCP_FC4_FEATURE_INITIATOR  0x02
#define FC_GS_FCP_FC4_FEATURE_TARGET	 0x01

struct fcgs_rffid_req_s {
    u32    rsvd:8;
    u32    dap:24;		/* port identifier	*/
    u32    rsvd1:16;
    u32    fc4ftr_bits:8;		/* fc4 feature bits	*/
    u32    fc4_type:8;		/* corresponding FC4 Type */
};

/**
 * GID_FT Request
 */
struct fcgs_gidft_req_s {
	u8	reserved;
	u8	domain_id;	/* domain, 0 - all fabric */
	u8	area_id;	/* area, 0 - whole domain */
	u8	fc4_type;	/* FC_TYPE_FCP for SCSI devices */
};		/* GID_FT Request */

/**
 * GID_FT Response
 */
struct fcgs_gidft_resp_s {
	u8		last:1;	/* last port identifier flag */
	u8		reserved:7;
	u32	pid:24;	/* port identifier */
};		/* GID_FT Response */

/**
 * RSPN_ID
 */
struct fcgs_rspnid_req_s {
	u32	rsvd:8;
	u32	dap:24;		/* port identifier */
	u8		spn_len;	/* symbolic port name length */
	u8		spn[256];	/* symbolic port name */
};

/**
 * RPN_ID
 */
struct fcgs_rpnid_req_s {
	u32	rsvd:8;
	u32	port_id:24;
	wwn_t		port_name;
};

/**
 * RNN_ID
 */
struct fcgs_rnnid_req_s {
	u32	rsvd:8;
	u32	port_id:24;
	wwn_t		node_name;
};

/**
 * RCS_ID
 */
struct fcgs_rcsid_req_s {
	u32	rsvd:8;
	u32	port_id:24;
	u32	cos;
};

/**
 * RPT_ID
 */
struct fcgs_rptid_req_s {
	u32	rsvd:8;
	u32	port_id:24;
	u32	port_type:8;
	u32	rsvd1:24;
};

/**
 * GA_NXT Request
 */
struct fcgs_ganxt_req_s {
	u32	rsvd:8;
	u32	port_id:24;
};

/**
 * GA_NXT Response
 */
struct fcgs_ganxt_rsp_s {
	u32	port_type:8;	/* Port Type */
	u32	port_id:24;	/* Port Identifier */
	wwn_t		port_name;	/* Port Name */
	u8		spn_len;	/* Length of Symbolic Port Name */
	char		spn[255];	/* Symbolic Port Name */
	wwn_t		node_name;	/* Node Name */
	u8		snn_len;	/* Length of Symbolic Node Name */
	char		snn[255];	/* Symbolic Node Name */
	u8		ipa[8];		/* Initial Process Associator */
	u8		ip[16];		/* IP Address */
	u32	cos;		/* Class of Service */
	u32	fc4types[8];	/* FC-4 TYPEs */
	wwn_t		fabric_port_name;
					/* Fabric Port Name */
	u32	rsvd:8;		/* Reserved */
	u32	hard_addr:24;	/* Hard Address */
};

/*
 * Fabric Config Server
 */

/*
 * Command codes for Fabric Configuration Server
 */
enum {
	GS_FC_GFN_CMD	= 0x0114,	/* GS FC Get Fabric Name  */
	GS_FC_GMAL_CMD	= 0x0116,	/* GS FC GMAL  */
	GS_FC_TRACE_CMD	= 0x0400,	/* GS FC Trace Route */
	GS_FC_PING_CMD	= 0x0401,	/* GS FC Ping */
};

/*
 * Source or Destination Port Tags.
 */
enum {
	GS_FTRACE_TAG_NPORT_ID		= 1,
	GS_FTRACE_TAG_NPORT_NAME	= 2,
};

/*
* Port Value : Could be a Port id or wwn
 */
union fcgs_port_val_u {
	u32	nport_id;
	wwn_t		nport_wwn;
};

#define GS_FTRACE_MAX_HOP_COUNT	20
#define GS_FTRACE_REVISION	1

/*
 * Ftrace Related Structures.
 */

/*
 * STR (Switch Trace) Reject Reason Codes. From FC-SW.
 */
enum {
	GS_FTRACE_STR_CMD_COMPLETED_SUCC	= 0,
	GS_FTRACE_STR_CMD_NOT_SUPP_IN_NEXT_SWITCH,
	GS_FTRACE_STR_NO_RESP_FROM_NEXT_SWITCH,
	GS_FTRACE_STR_MAX_HOP_CNT_REACHED,
	GS_FTRACE_STR_SRC_PORT_NOT_FOUND,
	GS_FTRACE_STR_DST_PORT_NOT_FOUND,
	GS_FTRACE_STR_DEVICES_NOT_IN_COMMON_ZONE,
	GS_FTRACE_STR_NO_ROUTE_BW_PORTS,
	GS_FTRACE_STR_NO_ADDL_EXPLN,
	GS_FTRACE_STR_FABRIC_BUSY,
	GS_FTRACE_STR_FABRIC_BUILD_IN_PROGRESS,
	GS_FTRACE_STR_VENDOR_SPECIFIC_ERR_START = 0xf0,
	GS_FTRACE_STR_VENDOR_SPECIFIC_ERR_END = 0xff,
};

/*
 * Ftrace Request
 */
struct fcgs_ftrace_req_s {
	u32	revision;
	u16	src_port_tag;	/* Source Port tag */
	u16	src_port_len;	/* Source Port len */
	union fcgs_port_val_u src_port_val;	/* Source Port value */
	u16	dst_port_tag;	/* Destination Port tag */
	u16	dst_port_len;	/* Destination Port len */
	union fcgs_port_val_u dst_port_val;	/* Destination Port value */
	u32	token;
	u8		vendor_id[8];	/* T10 Vendor Identifier */
	u8		vendor_info[8];	/* Vendor specific Info */
	u32	max_hop_cnt;	/* Max Hop Count */
};

/*
 * Path info structure
 */
struct fcgs_ftrace_path_info_s {
	wwn_t		switch_name;		/* Switch WWN */
	u32	domain_id;
	wwn_t		ingress_port_name;	/* Ingress ports wwn */
	u32	ingress_phys_port_num;	/* Ingress ports physical port
						 * number
						 */
	wwn_t		egress_port_name;	/* Ingress ports wwn */
	u32	egress_phys_port_num;	/* Ingress ports physical port
						 * number
						 */
};

/*
 * Ftrace Acc Response
 */
struct fcgs_ftrace_resp_s {
	u32	revision;
	u32	token;
	u8		vendor_id[8];		/* T10 Vendor Identifier */
	u8		vendor_info[8];		/* Vendor specific Info */
	u32	str_rej_reason_code;	/* STR Reject Reason Code */
	u32	num_path_info_entries;	/* No. of path info entries */
	/*
	 * path info entry/entries.
	 */
	struct fcgs_ftrace_path_info_s path_info[1];

};

/*
* Fabric Config Server : FCPing
 */

/*
 * FC Ping Request
 */
struct fcgs_fcping_req_s {
	u32	revision;
	u16	port_tag;
	u16	port_len;	/* Port len */
	union fcgs_port_val_u port_val;	/* Port value */
	u32	token;
};

/*
 * FC Ping Response
 */
struct fcgs_fcping_resp_s {
	u32	token;
};

/*
 * Command codes for zone server query.
 */
enum {
	ZS_GZME = 0x0124,	/* Get zone member extended */
};

/*
 * ZS GZME request
 */
#define ZS_GZME_ZNAMELEN	32
struct zs_gzme_req_s {
	u8	znamelen;
	u8	rsvd[3];
	u8	zname[ZS_GZME_ZNAMELEN];
};

enum zs_mbr_type {
	ZS_MBR_TYPE_PWWN	= 1,
	ZS_MBR_TYPE_DOMPORT	= 2,
	ZS_MBR_TYPE_PORTID	= 3,
	ZS_MBR_TYPE_NWWN	= 4,
};

struct zs_mbr_wwn_s {
	u8	mbr_type;
	u8	rsvd[3];
	wwn_t	wwn;
};

struct zs_query_resp_s {
	u32	nmbrs;	/*  number of zone members */
	struct zs_mbr_wwn_s	mbr[1];
};

/*
 * GMAL Command ( Get ( interconnect Element) Management Address List)
 * To retrieve the IP Address of a Switch.
 */

#define CT_GMAL_RESP_PREFIX_TELNET	 "telnet://"
#define CT_GMAL_RESP_PREFIX_HTTP	 "http://"

/*  GMAL/GFN request */
struct fcgs_req_s {
	wwn_t    wwn;   /* PWWN/NWWN */
};

#define fcgs_gmal_req_t struct fcgs_req_s
#define fcgs_gfn_req_t struct fcgs_req_s

/* Accept Response to GMAL */
struct fcgs_gmal_resp_s {
	u32	ms_len;   /* Num of entries */
	u8	ms_ma[256];
};

struct fcgs_gmal_entry_s {
	u8  len;
	u8  prefix[7]; /* like "http://" */
	u8  ip_addr[248];
};

/*
 * FDMI
 */
/*
 * FDMI Command Codes
 */
#define	FDMI_GRHL		0x0100
#define	FDMI_GHAT		0x0101
#define	FDMI_GRPL		0x0102
#define	FDMI_GPAT		0x0110
#define	FDMI_RHBA		0x0200
#define	FDMI_RHAT		0x0201
#define	FDMI_RPRT		0x0210
#define	FDMI_RPA		0x0211
#define	FDMI_DHBA		0x0300
#define	FDMI_DPRT		0x0310

/*
 * FDMI reason codes
 */
#define	FDMI_NO_ADDITIONAL_EXP		0x00
#define	FDMI_HBA_ALREADY_REG		0x10
#define	FDMI_HBA_ATTRIB_NOT_REG		0x11
#define	FDMI_HBA_ATTRIB_MULTIPLE	0x12
#define	FDMI_HBA_ATTRIB_LENGTH_INVALID	0x13
#define	FDMI_HBA_ATTRIB_NOT_PRESENT	0x14
#define	FDMI_PORT_ORIG_NOT_IN_LIST	0x15
#define	FDMI_PORT_HBA_NOT_IN_LIST	0x16
#define	FDMI_PORT_ATTRIB_NOT_REG	0x20
#define	FDMI_PORT_NOT_REG		0x21
#define	FDMI_PORT_ATTRIB_MULTIPLE	0x22
#define	FDMI_PORT_ATTRIB_LENGTH_INVALID	0x23
#define	FDMI_PORT_ALREADY_REGISTEREED	0x24

/*
 * FDMI Transmission Speed Mask values
 */
#define	FDMI_TRANS_SPEED_1G		0x00000001
#define	FDMI_TRANS_SPEED_2G		0x00000002
#define	FDMI_TRANS_SPEED_10G		0x00000004
#define	FDMI_TRANS_SPEED_4G		0x00000008
#define	FDMI_TRANS_SPEED_8G		0x00000010
#define	FDMI_TRANS_SPEED_16G		0x00000020
#define	FDMI_TRANS_SPEED_UNKNOWN	0x00008000

/*
 * FDMI HBA attribute types
 */
enum fdmi_hba_attribute_type {
	FDMI_HBA_ATTRIB_NODENAME = 1,	/* 0x0001 */
	FDMI_HBA_ATTRIB_MANUFACTURER,	/* 0x0002 */
	FDMI_HBA_ATTRIB_SERIALNUM,	/* 0x0003 */
	FDMI_HBA_ATTRIB_MODEL,		/* 0x0004 */
	FDMI_HBA_ATTRIB_MODEL_DESC,	/* 0x0005 */
	FDMI_HBA_ATTRIB_HW_VERSION,	/* 0x0006 */
	FDMI_HBA_ATTRIB_DRIVER_VERSION,	/* 0x0007 */
	FDMI_HBA_ATTRIB_ROM_VERSION,	/* 0x0008 */
	FDMI_HBA_ATTRIB_FW_VERSION,	/* 0x0009 */
	FDMI_HBA_ATTRIB_OS_NAME,	/* 0x000A */
	FDMI_HBA_ATTRIB_MAX_CT,		/* 0x000B */

	FDMI_HBA_ATTRIB_MAX_TYPE
};

/*
 * FDMI Port attribute types
 */
enum fdmi_port_attribute_type {
	FDMI_PORT_ATTRIB_FC4_TYPES = 1,	/* 0x0001 */
	FDMI_PORT_ATTRIB_SUPP_SPEED,	/* 0x0002 */
	FDMI_PORT_ATTRIB_PORT_SPEED,	/* 0x0003 */
	FDMI_PORT_ATTRIB_FRAME_SIZE,	/* 0x0004 */
	FDMI_PORT_ATTRIB_DEV_NAME,	/* 0x0005 */
	FDMI_PORT_ATTRIB_HOST_NAME,	/* 0x0006 */

	FDMI_PORT_ATTR_MAX_TYPE
};

/*
 * FDMI attribute
 */
struct fdmi_attr_s {
	u16        type;
	u16        len;
	u8         value[1];
};

/*
 * HBA Attribute Block
 */
struct fdmi_hba_attr_s {
	u32        attr_count;	/* # of attributes */
	struct fdmi_attr_s hba_attr;	/* n attributes */
};

/*
 * Registered Port List
 */
struct fdmi_port_list_s {
	u32        num_ports;	/* number Of Port Entries */
	wwn_t           port_entry;	/* one or more */
};

/*
 * Port Attribute Block
 */
struct fdmi_port_attr_s {
	u32        attr_count;	/* # of attributes */
	struct fdmi_attr_s port_attr;	/* n attributes */
};

/*
 * FDMI Register HBA Attributes
 */
struct fdmi_rhba_s {
	wwn_t           hba_id;		/* HBA Identifier */
	struct fdmi_port_list_s port_list;	/* Registered Port List */
	struct fdmi_hba_attr_s hba_attr_blk;	/* HBA attribute block */
};

/*
 * FDMI Register Port
 */
struct fdmi_rprt_s {
	wwn_t           hba_id;		/* HBA Identifier */
	wwn_t           port_name;	/* Port wwn */
	struct fdmi_port_attr_s port_attr_blk;	/* Port Attr Block */
};

/*
 * FDMI Register Port Attributes
 */
struct fdmi_rpa_s {
	wwn_t           port_name;	/* port wwn */
	struct fdmi_port_attr_s port_attr_blk;	/* Port Attr Block */
};

#pragma pack()

#endif	/* __BFA_FC_H__ */