fcp.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:3k
- /* 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) */