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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) */
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