1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * |
3 | * Fibre Channel Host Bus Adapters. * |
4 | * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term * |
5 | * “Broadcom” refers to Broadcom Inc and/or its subsidiaries. * |
6 | * Copyright (C) 2004-2016 Emulex. All rights reserved. * |
7 | * EMULEX and SLI are trademarks of Emulex. * |
8 | * www.broadcom.com * |
9 | * * |
10 | * This program is free software; you can redistribute it and/or * |
11 | * modify it under the terms of version 2 of the GNU General * |
12 | * Public License as published by the Free Software Foundation. * |
13 | * This program is distributed in the hope that it will be useful. * |
14 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * |
15 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * |
16 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * |
17 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * |
18 | * TO BE LEGALLY INVALID. See the GNU General Public License for * |
19 | * more details, a copy of which can be found in the file COPYING * |
20 | * included with this package. * |
21 | *******************************************************************/ |
22 | |
23 | #include <asm/byteorder.h> |
24 | |
25 | struct lpfc_hba; |
26 | #define LPFC_FCP_CDB_LEN 16 |
27 | |
28 | #define list_remove_head(list, entry, type, member) \ |
29 | do { \ |
30 | entry = NULL; \ |
31 | if (!list_empty(list)) { \ |
32 | entry = list_entry((list)->next, type, member); \ |
33 | list_del_init(&entry->member); \ |
34 | } \ |
35 | } while(0) |
36 | |
37 | #define list_get_first(list, type, member) \ |
38 | (list_empty(list)) ? NULL : \ |
39 | list_entry((list)->next, type, member) |
40 | |
41 | /* per-port data that is allocated in the FC transport for us */ |
42 | struct lpfc_rport_data { |
43 | struct lpfc_nodelist *pnode; /* Pointer to the node structure. */ |
44 | }; |
45 | |
46 | struct lpfc_device_id { |
47 | struct lpfc_name vport_wwpn; |
48 | struct lpfc_name target_wwpn; |
49 | uint64_t lun; |
50 | }; |
51 | |
52 | struct lpfc_device_data { |
53 | struct list_head listentry; |
54 | struct lpfc_rport_data *rport_data; |
55 | struct lpfc_device_id device_id; |
56 | uint8_t priority; |
57 | bool oas_enabled; |
58 | bool available; |
59 | }; |
60 | |
61 | struct fcp_rsp { |
62 | uint32_t rspRsvd1; /* FC Word 0, byte 0:3 */ |
63 | uint32_t rspRsvd2; /* FC Word 1, byte 0:3 */ |
64 | |
65 | uint8_t rspStatus0; /* FCP_STATUS byte 0 (reserved) */ |
66 | uint8_t rspStatus1; /* FCP_STATUS byte 1 (reserved) */ |
67 | uint8_t rspStatus2; /* FCP_STATUS byte 2 field validity */ |
68 | #define RSP_LEN_VALID 0x01 /* bit 0 */ |
69 | #define SNS_LEN_VALID 0x02 /* bit 1 */ |
70 | #define RESID_OVER 0x04 /* bit 2 */ |
71 | #define RESID_UNDER 0x08 /* bit 3 */ |
72 | uint8_t rspStatus3; /* FCP_STATUS byte 3 SCSI status byte */ |
73 | |
74 | uint32_t rspResId; /* Residual xfer if residual count field set in |
75 | fcpStatus2 */ |
76 | /* Received in Big Endian format */ |
77 | uint32_t rspSnsLen; /* Length of sense data in fcpSnsInfo */ |
78 | /* Received in Big Endian format */ |
79 | uint32_t rspRspLen; /* Length of FCP response data in fcpRspInfo */ |
80 | /* Received in Big Endian format */ |
81 | |
82 | uint8_t rspInfo0; /* FCP_RSP_INFO byte 0 (reserved) */ |
83 | uint8_t rspInfo1; /* FCP_RSP_INFO byte 1 (reserved) */ |
84 | uint8_t rspInfo2; /* FCP_RSP_INFO byte 2 (reserved) */ |
85 | uint8_t rspInfo3; /* FCP_RSP_INFO RSP_CODE byte 3 */ |
86 | |
87 | #define RSP_NO_FAILURE 0x00 |
88 | #define RSP_DATA_BURST_ERR 0x01 |
89 | #define RSP_CMD_FIELD_ERR 0x02 |
90 | #define RSP_RO_MISMATCH_ERR 0x03 |
91 | #define RSP_TM_NOT_SUPPORTED 0x04 /* Task mgmt function not supported */ |
92 | #define RSP_TM_NOT_COMPLETED 0x05 /* Task mgmt function not performed */ |
93 | #define RSP_TM_INVALID_LU 0x09 /* Task mgmt function to invalid LU */ |
94 | |
95 | uint32_t rspInfoRsvd; /* FCP_RSP_INFO bytes 4-7 (reserved) */ |
96 | |
97 | uint8_t rspSnsInfo[128]; |
98 | #define SNS_ILLEGAL_REQ 0x05 /* sense key is byte 3 ([2]) */ |
99 | #define SNSCOD_BADCMD 0x20 /* sense code is byte 13 ([12]) */ |
100 | }; |
101 | |
102 | struct fcp_cmnd { |
103 | struct scsi_lun fcp_lun; |
104 | |
105 | uint8_t fcpCntl0; /* FCP_CNTL byte 0 (reserved) */ |
106 | uint8_t fcpCntl1; /* FCP_CNTL byte 1 task codes */ |
107 | #define SIMPLE_Q 0x00 |
108 | #define HEAD_OF_Q 0x01 |
109 | #define ORDERED_Q 0x02 |
110 | #define ACA_Q 0x04 |
111 | #define UNTAGGED 0x05 |
112 | uint8_t fcpCntl2; /* FCP_CTL byte 2 task management codes */ |
113 | #define FCP_ABORT_TASK_SET 0x02 /* Bit 1 */ |
114 | #define FCP_CLEAR_TASK_SET 0x04 /* bit 2 */ |
115 | #define FCP_BUS_RESET 0x08 /* bit 3 */ |
116 | #define FCP_LUN_RESET 0x10 /* bit 4 */ |
117 | #define FCP_TARGET_RESET 0x20 /* bit 5 */ |
118 | #define FCP_CLEAR_ACA 0x40 /* bit 6 */ |
119 | #define FCP_TERMINATE_TASK 0x80 /* bit 7 */ |
120 | uint8_t fcpCntl3; |
121 | #define WRITE_DATA 0x01 /* Bit 0 */ |
122 | #define READ_DATA 0x02 /* Bit 1 */ |
123 | |
124 | uint8_t fcpCdb[LPFC_FCP_CDB_LEN]; /* SRB cdb field is copied here */ |
125 | uint32_t fcpDl; /* Total transfer length */ |
126 | |
127 | }; |
128 | |
129 | #define LPFC_SCSI_DMA_EXT_SIZE 264 |
130 | #define LPFC_BPL_SIZE 1024 |
131 | #define MDAC_DIRECT_CMD 0x22 |
132 | |
133 | #define FIND_FIRST_OAS_LUN 0 |
134 | #define NO_MORE_OAS_LUN -1 |
135 | #define NOT_OAS_ENABLED_LUN NO_MORE_OAS_LUN |
136 | |
137 | #ifndef FC_PORTSPEED_128GBIT |
138 | #define FC_PORTSPEED_128GBIT 0x2000 |
139 | #endif |
140 | |
141 | #ifndef FC_PORTSPEED_256GBIT |
142 | #define FC_PORTSPEED_256GBIT 0x4000 |
143 | #endif |
144 | |
145 | #define TXRDY_PAYLOAD_LEN 12 |
146 | |
147 | /* For sysfs/debugfs tmp string max len */ |
148 | #define LPFC_MAX_SCSI_INFO_TMP_LEN 79 |
149 | |
150 | |