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 28 typedef 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 41 typedef 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 86 typedef 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