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/* fcp.h: Definitions for Fibre Channel Protocol. * * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) * */ #ifndef __FCP_H #define __FCP_H /* FCP addressing is hierarchical with up to 4 layers, MS first. Exact meaning of the addresses is up to the vendor */ /* fcp_cntl field */ #define FCP_CNTL_WRITE 0x00000001 /* Initiator write */ #define FCP_CNTL_READ 0x00000002 /* Initiator read */ #define FCP_CNTL_ABORT_TSK 0x00000200 /* Abort task set */ #define FCP_CNTL_CLR_TASK 0x00000400 /* Clear task set */ #define FCP_CNTL_RESET 0x00002000 /* Reset */ #define FCP_CNTL_CLR_ACA 0x00004000 /* Clear ACA */ #define FCP_CNTL_KILL_TASK 0x00008000 /* Terminate task */ #define FCP_CNTL_QTYPE_MASK 0x00070000 /* Tagged queueing type */ #define FCP_CNTL_QTYPE_SIMPLE 0x00000000 #define FCP_CNTL_QTYPE_HEAD_OF_Q 0x00010000 #define FCP_CNTL_QTYPE_ORDERED 0x00020000 #define FCP_CNTL_QTYPE_ACA_Q_TAG 0x00040000 #define FCP_CNTL_QTYPE_UNTAGGED 0x00050000 typedef struct { u16 fcp_addr[4]; u32 fcp_cntl; u8 fcp_cdb[16]; u32 fcp_data_len; } fcp_cmd; /* fcp_status field */ #define FCP_STATUS_MASK 0x000000ff /* scsi status of command */ #define FCP_STATUS_RSP_LEN 0x00000100 /* response_len != 0 */ #define FCP_STATUS_SENSE_LEN 0x00000200 /* sense_len != 0 */ #define FCP_STATUS_RESID 0x00000400 /* resid != 0 */ typedef struct { u32 xxx[2]; u32 fcp_status; u32 fcp_resid; u32 fcp_sense_len; u32 fcp_response_len; /* u8 fcp_sense[fcp_sense_len]; */ /* u8 fcp_response[fcp_response_len]; */ } fcp_rsp; /* fcp errors */ /* rsp_info_type field */ #define FCP_RSP_SCSI_BUS_ERR 0x01 #define FCP_RSP_SCSI_PORT_ERR 0x02 #define FCP_RSP_CARD_ERR 0x03 /* isp_status field */ #define FCP_RSP_CMD_COMPLETE 0x0000 #define FCP_RSP_CMD_INCOMPLETE 0x0001 #define FCP_RSP_CMD_DMA_ERR 0x0002 #define FCP_RSP_CMD_TRAN_ERR 0x0003 #define FCP_RSP_CMD_RESET 0x0004 #define FCP_RSP_CMD_ABORTED 0x0005 #define FCP_RSP_CMD_TIMEOUT 0x0006 #define FCP_RSP_CMD_OVERRUN 0x0007 /* isp_state_flags field */ #define FCP_RSP_ST_GOT_BUS 0x0100 #define FCP_RSP_ST_GOT_TARGET 0x0200 #define FCP_RSP_ST_SENT_CMD 0x0400 #define FCP_RSP_ST_XFRD_DATA 0x0800 #define FCP_RSP_ST_GOT_STATUS 0x1000 #define FCP_RSP_ST_GOT_SENSE 0x2000 /* isp_stat_flags field */ #define FCP_RSP_STAT_DISC 0x0001 #define FCP_RSP_STAT_SYNC 0x0002 #define FCP_RSP_STAT_PERR 0x0004 #define FCP_RSP_STAT_BUS_RESET 0x0008 #define FCP_RSP_STAT_DEV_RESET 0x0010 #define FCP_RSP_STAT_ABORTED 0x0020 #define FCP_RSP_STAT_TIMEOUT 0x0040 #define FCP_RSP_STAT_NEGOTIATE 0x0080 typedef struct { u8 rsp_info_type; u8 xxx; u16 isp_status; u16 isp_state_flags; u16 isp_stat_flags; } fcp_scsi_err; #endif /* !(__FCP_H) */ |