1 /* fcp.h: Definitions for Fibre Channel Protocol.
2 *
3 * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
4 *
5 */
6
7 #ifndef __FCP_H
8 #define __FCP_H
9
10 /* FCP addressing is hierarchical with up to 4 layers, MS first.
11 Exact meaning of the addresses is up to the vendor */
12
13 /* fcp_cntl field */
14 #define FCP_CNTL_WRITE 0x00000001 /* Initiator write */
15 #define FCP_CNTL_READ 0x00000002 /* Initiator read */
16 #define FCP_CNTL_ABORT_TSK 0x00000200 /* Abort task set */
17 #define FCP_CNTL_CLR_TASK 0x00000400 /* Clear task set */
18 #define FCP_CNTL_RESET 0x00002000 /* Reset */
19 #define FCP_CNTL_CLR_ACA 0x00004000 /* Clear ACA */
20 #define FCP_CNTL_KILL_TASK 0x00008000 /* Terminate task */
21 #define FCP_CNTL_QTYPE_MASK 0x00070000 /* Tagged queueing type */
22 #define FCP_CNTL_QTYPE_SIMPLE 0x00000000
23 #define FCP_CNTL_QTYPE_HEAD_OF_Q 0x00010000
24 #define FCP_CNTL_QTYPE_ORDERED 0x00020000
25 #define FCP_CNTL_QTYPE_ACA_Q_TAG 0x00040000
26 #define FCP_CNTL_QTYPE_UNTAGGED 0x00050000
27
28 typedef struct {
29 u16 fcp_addr[4];
30 u32 fcp_cntl;
31 u8 fcp_cdb[16];
32 u32 fcp_data_len;
33 } fcp_cmd;
34
35 /* fcp_status field */
36 #define FCP_STATUS_MASK 0x000000ff /* scsi status of command */
37 #define FCP_STATUS_RSP_LEN 0x00000100 /* response_len != 0 */
38 #define FCP_STATUS_SENSE_LEN 0x00000200 /* sense_len != 0 */
39 #define FCP_STATUS_RESID 0x00000400 /* resid != 0 */
40
41 typedef struct {
42 u32 xxx[2];
43 u32 fcp_status;
44 u32 fcp_resid;
45 u32 fcp_sense_len;
46 u32 fcp_response_len;
47 /* u8 fcp_sense[fcp_sense_len]; */
48 /* u8 fcp_response[fcp_response_len]; */
49 } fcp_rsp;
50
51 /* fcp errors */
52
53 /* rsp_info_type field */
54 #define FCP_RSP_SCSI_BUS_ERR 0x01
55 #define FCP_RSP_SCSI_PORT_ERR 0x02
56 #define FCP_RSP_CARD_ERR 0x03
57
58 /* isp_status field */
59 #define FCP_RSP_CMD_COMPLETE 0x0000
60 #define FCP_RSP_CMD_INCOMPLETE 0x0001
61 #define FCP_RSP_CMD_DMA_ERR 0x0002
62 #define FCP_RSP_CMD_TRAN_ERR 0x0003
63 #define FCP_RSP_CMD_RESET 0x0004
64 #define FCP_RSP_CMD_ABORTED 0x0005
65 #define FCP_RSP_CMD_TIMEOUT 0x0006
66 #define FCP_RSP_CMD_OVERRUN 0x0007
67
68 /* isp_state_flags field */
69 #define FCP_RSP_ST_GOT_BUS 0x0100
70 #define FCP_RSP_ST_GOT_TARGET 0x0200
71 #define FCP_RSP_ST_SENT_CMD 0x0400
72 #define FCP_RSP_ST_XFRD_DATA 0x0800
73 #define FCP_RSP_ST_GOT_STATUS 0x1000
74 #define FCP_RSP_ST_GOT_SENSE 0x2000
75
76 /* isp_stat_flags field */
77 #define FCP_RSP_STAT_DISC 0x0001
78 #define FCP_RSP_STAT_SYNC 0x0002
79 #define FCP_RSP_STAT_PERR 0x0004
80 #define FCP_RSP_STAT_BUS_RESET 0x0008
81 #define FCP_RSP_STAT_DEV_RESET 0x0010
82 #define FCP_RSP_STAT_ABORTED 0x0020
83 #define FCP_RSP_STAT_TIMEOUT 0x0040
84 #define FCP_RSP_STAT_NEGOTIATE 0x0080
85
86 typedef struct {
87 u8 rsp_info_type;
88 u8 xxx;
89 u16 isp_status;
90 u16 isp_state_flags;
91 u16 isp_stat_flags;
92 } fcp_scsi_err;
93
94 #endif /* !(__FCP_H) */
95
This page was automatically generated by the
LXR engine.
Visit the LXR main site for more
information.