| /* 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) */ |