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