diff options
Diffstat (limited to 'drivers/fc4/fcp.h')
| -rw-r--r-- | drivers/fc4/fcp.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/fc4/fcp.h b/drivers/fc4/fcp.h new file mode 100644 index 000000000000..6aa34a7a4c11 --- /dev/null +++ b/drivers/fc4/fcp.h @@ -0,0 +1,94 @@ +/* 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) */ |