1/* fcp.h: Definitions for Fibre Channel Protocol. 2 * 3 * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) 4 * 5 */ 6 7#ifndef __FCP_H 8#define __FCP_H 9 10/* FCP addressing is hierarchical with up to 4 layers, MS first. 11 Exact meaning of the addresses is up to the vendor */ 12 13/* fcp_cntl field */ 14#define FCP_CNTL_WRITE 0x00000001 /* Initiator write */ 15#define FCP_CNTL_READ 0x00000002 /* Initiator read */ 16#define FCP_CNTL_ABORT_TSK 0x00000200 /* Abort task set */ 17#define FCP_CNTL_CLR_TASK 0x00000400 /* Clear task set */ 18#define FCP_CNTL_RESET 0x00002000 /* Reset */ 19#define FCP_CNTL_CLR_ACA 0x00004000 /* Clear ACA */ 20#define FCP_CNTL_KILL_TASK 0x00008000 /* Terminate task */ 21#define FCP_CNTL_QTYPE_MASK 0x00070000 /* Tagged queueing type */ 22#define FCP_CNTL_QTYPE_SIMPLE 0x00000000 23#define FCP_CNTL_QTYPE_HEAD_OF_Q 0x00010000 24#define FCP_CNTL_QTYPE_ORDERED 0x00020000 25#define FCP_CNTL_QTYPE_ACA_Q_TAG 0x00040000 26#define FCP_CNTL_QTYPE_UNTAGGED 0x00050000 27 28typedef struct { 29 u16 fcp_addr[4]; 30 u32 fcp_cntl; 31 u8 fcp_cdb[16]; 32 u32 fcp_data_len; 33} fcp_cmd; 34 35/* fcp_status field */ 36#define FCP_STATUS_MASK 0x000000ff /* scsi status of command */ 37#define FCP_STATUS_RSP_LEN 0x00000100 /* response_len != 0 */ 38#define FCP_STATUS_SENSE_LEN 0x00000200 /* sense_len != 0 */ 39#define FCP_STATUS_RESID 0x00000400 /* resid != 0 */ 40 41typedef struct { 42 u32 xxx[2]; 43 u32 fcp_status; 44 u32 fcp_resid; 45 u32 fcp_sense_len; 46 u32 fcp_response_len; 47 /* u8 fcp_sense[fcp_sense_len]; */ 48 /* u8 fcp_response[fcp_response_len]; */ 49} fcp_rsp; 50 51/* fcp errors */ 52 53/* rsp_info_type field */ 54#define FCP_RSP_SCSI_BUS_ERR 0x01 55#define FCP_RSP_SCSI_PORT_ERR 0x02 56#define FCP_RSP_CARD_ERR 0x03 57 58/* isp_status field */ 59#define FCP_RSP_CMD_COMPLETE 0x0000 60#define FCP_RSP_CMD_INCOMPLETE 0x0001 61#define FCP_RSP_CMD_DMA_ERR 0x0002 62#define FCP_RSP_CMD_TRAN_ERR 0x0003 63#define FCP_RSP_CMD_RESET 0x0004 64#define FCP_RSP_CMD_ABORTED 0x0005 65#define FCP_RSP_CMD_TIMEOUT 0x0006 66#define FCP_RSP_CMD_OVERRUN 0x0007 67 68/* isp_state_flags field */ 69#define FCP_RSP_ST_GOT_BUS 0x0100 70#define FCP_RSP_ST_GOT_TARGET 0x0200 71#define FCP_RSP_ST_SENT_CMD 0x0400 72#define FCP_RSP_ST_XFRD_DATA 0x0800 73#define FCP_RSP_ST_GOT_STATUS 0x1000 74#define FCP_RSP_ST_GOT_SENSE 0x2000 75 76/* isp_stat_flags field */ 77#define FCP_RSP_STAT_DISC 0x0001 78#define FCP_RSP_STAT_SYNC 0x0002 79#define FCP_RSP_STAT_PERR 0x0004 80#define FCP_RSP_STAT_BUS_RESET 0x0008 81#define FCP_RSP_STAT_DEV_RESET 0x0010 82#define FCP_RSP_STAT_ABORTED 0x0020 83#define FCP_RSP_STAT_TIMEOUT 0x0040 84#define FCP_RSP_STAT_NEGOTIATE 0x0080 85 86typedef struct { 87 u8 rsp_info_type; 88 u8 xxx; 89 u16 isp_status; 90 u16 isp_state_flags; 91 u16 isp_stat_flags; 92} fcp_scsi_err; 93 94#endif /* !(__FCP_H) */ 95