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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * QLogic iSCSI Offload Driver
4 * Copyright (c) 2016 Cavium Inc.
5 */
6
7#ifndef NVM_ISCSI_CFG_H
8#define NVM_ISCSI_CFG_H
9
10#define NUM_OF_ISCSI_TARGET_PER_PF 4 /* Defined as per the
11 * ISCSI IBFT constraint
12 */
13#define NUM_OF_ISCSI_PF_SUPPORTED 4 /* One PF per Port -
14 * assuming 4 port card
15 */
16
17#define NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN 256
18
19union nvm_iscsi_dhcp_vendor_id {
20 u32 value[NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN / 4];
21 u8 byte[NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN];
22};
23
24#define NVM_ISCSI_IPV4_ADDR_BYTE_LEN 4
25union nvm_iscsi_ipv4_addr {
26 u32 addr;
27 u8 byte[NVM_ISCSI_IPV4_ADDR_BYTE_LEN];
28};
29
30#define NVM_ISCSI_IPV6_ADDR_BYTE_LEN 16
31union nvm_iscsi_ipv6_addr {
32 u32 addr[4];
33 u8 byte[NVM_ISCSI_IPV6_ADDR_BYTE_LEN];
34};
35
36struct nvm_iscsi_initiator_ipv4 {
37 union nvm_iscsi_ipv4_addr addr; /* 0x0 */
38 union nvm_iscsi_ipv4_addr subnet_mask; /* 0x4 */
39 union nvm_iscsi_ipv4_addr gateway; /* 0x8 */
40 union nvm_iscsi_ipv4_addr primary_dns; /* 0xC */
41 union nvm_iscsi_ipv4_addr secondary_dns; /* 0x10 */
42 union nvm_iscsi_ipv4_addr dhcp_addr; /* 0x14 */
43
44 union nvm_iscsi_ipv4_addr isns_server; /* 0x18 */
45 union nvm_iscsi_ipv4_addr slp_server; /* 0x1C */
46 union nvm_iscsi_ipv4_addr primay_radius_server; /* 0x20 */
47 union nvm_iscsi_ipv4_addr secondary_radius_server; /* 0x24 */
48
49 union nvm_iscsi_ipv4_addr rsvd[4]; /* 0x28 */
50};
51
52struct nvm_iscsi_initiator_ipv6 {
53 union nvm_iscsi_ipv6_addr addr; /* 0x0 */
54 union nvm_iscsi_ipv6_addr subnet_mask; /* 0x10 */
55 union nvm_iscsi_ipv6_addr gateway; /* 0x20 */
56 union nvm_iscsi_ipv6_addr primary_dns; /* 0x30 */
57 union nvm_iscsi_ipv6_addr secondary_dns; /* 0x40 */
58 union nvm_iscsi_ipv6_addr dhcp_addr; /* 0x50 */
59
60 union nvm_iscsi_ipv6_addr isns_server; /* 0x60 */
61 union nvm_iscsi_ipv6_addr slp_server; /* 0x70 */
62 union nvm_iscsi_ipv6_addr primay_radius_server; /* 0x80 */
63 union nvm_iscsi_ipv6_addr secondary_radius_server; /* 0x90 */
64
65 union nvm_iscsi_ipv6_addr rsvd[3]; /* 0xA0 */
66
67 u32 config; /* 0xD0 */
68#define NVM_ISCSI_CFG_INITIATOR_IPV6_SUBNET_MASK_PREFIX_MASK 0x000000FF
69#define NVM_ISCSI_CFG_INITIATOR_IPV6_SUBNET_MASK_PREFIX_OFFSET 0
70
71 u32 rsvd_1[3];
72};
73
74#define NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN 256
75union nvm_iscsi_name {
76 u32 value[NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN / 4];
77 u8 byte[NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN];
78};
79
80#define NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN 256
81union nvm_iscsi_chap_name {
82 u32 value[NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN / 4];
83 u8 byte[NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN];
84};
85
86#define NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN 16 /* md5 need per RFC1996
87 * is 16 octets
88 */
89union nvm_iscsi_chap_password {
90 u32 value[NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN / 4];
91 u8 byte[NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN];
92};
93
94union nvm_iscsi_lun {
95 u8 byte[8];
96 u32 value[2];
97};
98
99struct nvm_iscsi_generic {
100 u32 ctrl_flags; /* 0x0 */
101#define NVM_ISCSI_CFG_GEN_CHAP_ENABLED BIT(0)
102#define NVM_ISCSI_CFG_GEN_DHCP_TCPIP_CONFIG_ENABLED BIT(1)
103#define NVM_ISCSI_CFG_GEN_DHCP_ISCSI_CONFIG_ENABLED BIT(2)
104#define NVM_ISCSI_CFG_GEN_IPV6_ENABLED BIT(3)
105#define NVM_ISCSI_CFG_GEN_IPV4_FALLBACK_ENABLED BIT(4)
106#define NVM_ISCSI_CFG_GEN_ISNS_WORLD_LOGIN BIT(5)
107#define NVM_ISCSI_CFG_GEN_ISNS_SELECTIVE_LOGIN BIT(6)
108#define NVM_ISCSI_CFG_GEN_ADDR_REDIRECT_ENABLED BIT(7)
109#define NVM_ISCSI_CFG_GEN_CHAP_MUTUAL_ENABLED BIT(8)
110
111 u32 timeout; /* 0x4 */
112#define NVM_ISCSI_CFG_GEN_DHCP_REQUEST_TIMEOUT_MASK 0x0000FFFF
113#define NVM_ISCSI_CFG_GEN_DHCP_REQUEST_TIMEOUT_OFFSET 0
114#define NVM_ISCSI_CFG_GEN_PORT_LOGIN_TIMEOUT_MASK 0xFFFF0000
115#define NVM_ISCSI_CFG_GEN_PORT_LOGIN_TIMEOUT_OFFSET 16
116
117 union nvm_iscsi_dhcp_vendor_id dhcp_vendor_id; /* 0x8 */
118 u32 rsvd[62]; /* 0x108 */
119};
120
121struct nvm_iscsi_initiator {
122 struct nvm_iscsi_initiator_ipv4 ipv4; /* 0x0 */
123 struct nvm_iscsi_initiator_ipv6 ipv6; /* 0x38 */
124
125 union nvm_iscsi_name initiator_name; /* 0x118 */
126 union nvm_iscsi_chap_name chap_name; /* 0x218 */
127 union nvm_iscsi_chap_password chap_password; /* 0x318 */
128
129 u32 generic_cont0; /* 0x398 */
130#define NVM_ISCSI_CFG_INITIATOR_VLAN_MASK 0x0000FFFF
131#define NVM_ISCSI_CFG_INITIATOR_VLAN_OFFSET 0
132#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_MASK 0x00030000
133#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_OFFSET 16
134#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_4 1
135#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_6 2
136#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_4_AND_6 3
137
138 u32 ctrl_flags;
139#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_PRIORITY_V6 BIT(0)
140#define NVM_ISCSI_CFG_INITIATOR_VLAN_ENABLED BIT(1)
141
142 u32 rsvd[116]; /* 0x32C */
143};
144
145struct nvm_iscsi_target {
146 u32 ctrl_flags; /* 0x0 */
147#define NVM_ISCSI_CFG_TARGET_ENABLED BIT(0)
148#define NVM_ISCSI_CFG_BOOT_TIME_LOGIN_STATUS BIT(1)
149
150 u32 generic_cont0; /* 0x4 */
151#define NVM_ISCSI_CFG_TARGET_TCP_PORT_MASK 0x0000FFFF
152#define NVM_ISCSI_CFG_TARGET_TCP_PORT_OFFSET 0
153
154 u32 ip_ver;
155#define NVM_ISCSI_CFG_IPv4 4
156#define NVM_ISCSI_CFG_IPv6 6
157
158 u32 rsvd_1[7]; /* 0x24 */
159 union nvm_iscsi_ipv4_addr ipv4_addr; /* 0x28 */
160 union nvm_iscsi_ipv6_addr ipv6_addr; /* 0x2C */
161 union nvm_iscsi_lun lun; /* 0x3C */
162
163 union nvm_iscsi_name target_name; /* 0x44 */
164 union nvm_iscsi_chap_name chap_name; /* 0x144 */
165 union nvm_iscsi_chap_password chap_password; /* 0x244 */
166
167 u32 rsvd_2[107]; /* 0x2C4 */
168};
169
170struct nvm_iscsi_block {
171 u32 id; /* 0x0 */
172#define NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_MASK 0x0000000F
173#define NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_OFFSET 0
174#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_MASK 0x00000FF0
175#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_OFFSET 4
176#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_IS_NOT_EMPTY BIT(0)
177#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_PF_MAPPED BIT(1)
178
179 u32 rsvd_1[5]; /* 0x4 */
180
181 struct nvm_iscsi_generic generic; /* 0x18 */
182 struct nvm_iscsi_initiator initiator; /* 0x218 */
183 struct nvm_iscsi_target target[NUM_OF_ISCSI_TARGET_PER_PF];
184 /* 0x718 */
185
186 u32 rsvd_2[58]; /* 0x1718 */
187 /* total size - 0x1800 - 6K block */
188};
189
190struct nvm_iscsi_cfg {
191 u32 id; /* 0x0 */
192#define NVM_ISCSI_CFG_BLK_VERSION_MINOR_MASK 0x000000FF
193#define NVM_ISCSI_CFG_BLK_VERSION_MAJOR_MASK 0x0000FF00
194#define NVM_ISCSI_CFG_BLK_SIGNATURE_MASK 0xFFFF0000
195#define NVM_ISCSI_CFG_BLK_SIGNATURE 0x49430000 /* IC - Iscsi
196 * Config
197 */
198
199#define NVM_ISCSI_CFG_BLK_VERSION_MAJOR 0
200#define NVM_ISCSI_CFG_BLK_VERSION_MINOR 10
201#define NVM_ISCSI_CFG_BLK_VERSION ((NVM_ISCSI_CFG_BLK_VERSION_MAJOR << 8) | \
202 NVM_ISCSI_CFG_BLK_VERSION_MINOR)
203
204 struct nvm_iscsi_block block[NUM_OF_ISCSI_PF_SUPPORTED]; /* 0x4 */
205};
206
207#endif