drivers/scsi/qedi/qedi_nvm_iscsi_cfg.h

   1 /*
   2  * QLogic iSCSI Offload Driver
   3  * Copyright (c) 2016 Cavium Inc.
   4  *
   5  * This software is available under the terms of the GNU General Public License
   6  * (GPL) Version 2, available from the file COPYING in the main directory of
   7  * this source tree.
   8  */
   9
  10 #ifndef NVM_ISCSI_CFG_H
  11 #define NVM_ISCSI_CFG_H
  12
  13 #define NUM_OF_ISCSI_TARGET_PER_PF    4   /* Defined as per the
  14                                            * ISCSI IBFT constraint
  15                                            */
  16 #define NUM_OF_ISCSI_PF_SUPPORTED     4   /* One PF per Port -
  17                                            * assuming 4 port card
  18                                            */
  19
  20 #define NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN  256
  21
  22 union nvm_iscsi_dhcp_vendor_id {
  23         u32 value[NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN / 4];
  24         u8  byte[NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN];
  25 };
  26
  27 #define NVM_ISCSI_IPV4_ADDR_BYTE_LEN 4
  28 union nvm_iscsi_ipv4_addr {
  29         u32 addr;
  30         u8  byte[NVM_ISCSI_IPV4_ADDR_BYTE_LEN];
  31 };
  32
  33 #define NVM_ISCSI_IPV6_ADDR_BYTE_LEN 16
  34 union nvm_iscsi_ipv6_addr {
  35         u32 addr[4];
  36         u8  byte[NVM_ISCSI_IPV6_ADDR_BYTE_LEN];
  37 };
  38
  39 struct nvm_iscsi_initiator_ipv4 {
  40         union nvm_iscsi_ipv4_addr addr;                         /* 0x0 */
  41         union nvm_iscsi_ipv4_addr subnet_mask;                  /* 0x4 */
  42         union nvm_iscsi_ipv4_addr gateway;                      /* 0x8 */
  43         union nvm_iscsi_ipv4_addr primary_dns;                  /* 0xC */
  44         union nvm_iscsi_ipv4_addr secondary_dns;                /* 0x10 */
  45         union nvm_iscsi_ipv4_addr dhcp_addr;                    /* 0x14 */
  46
  47         union nvm_iscsi_ipv4_addr isns_server;                  /* 0x18 */
  48         union nvm_iscsi_ipv4_addr slp_server;                   /* 0x1C */
  49         union nvm_iscsi_ipv4_addr primay_radius_server;         /* 0x20 */
  50         union nvm_iscsi_ipv4_addr secondary_radius_server;      /* 0x24 */
  51
  52         union nvm_iscsi_ipv4_addr rsvd[4];                      /* 0x28 */
  53 };
  54
  55 struct nvm_iscsi_initiator_ipv6 {
  56         union nvm_iscsi_ipv6_addr addr;                         /* 0x0 */
  57         union nvm_iscsi_ipv6_addr subnet_mask;                  /* 0x10 */
  58         union nvm_iscsi_ipv6_addr gateway;                      /* 0x20 */
  59         union nvm_iscsi_ipv6_addr primary_dns;                  /* 0x30 */
  60         union nvm_iscsi_ipv6_addr secondary_dns;                /* 0x40 */
  61         union nvm_iscsi_ipv6_addr dhcp_addr;                    /* 0x50 */
  62
  63         union nvm_iscsi_ipv6_addr isns_server;                  /* 0x60 */
  64         union nvm_iscsi_ipv6_addr slp_server;                   /* 0x70 */
  65         union nvm_iscsi_ipv6_addr primay_radius_server;         /* 0x80 */
  66         union nvm_iscsi_ipv6_addr secondary_radius_server;      /* 0x90 */
  67
  68         union nvm_iscsi_ipv6_addr rsvd[3];                      /* 0xA0 */
  69
  70         u32   config;                                           /* 0xD0 */
  71 #define NVM_ISCSI_CFG_INITIATOR_IPV6_SUBNET_MASK_PREFIX_MASK      0x000000FF
  72 #define NVM_ISCSI_CFG_INITIATOR_IPV6_SUBNET_MASK_PREFIX_OFFSET    0
  73
  74         u32   rsvd_1[3];
  75 };
  76
  77 #define NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN  256
  78 union nvm_iscsi_name {
  79         u32 value[NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN / 4];
  80         u8  byte[NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN];
  81 };
  82
  83 #define NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN  256
  84 union nvm_iscsi_chap_name {
  85         u32 value[NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN / 4];
  86         u8  byte[NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN];
  87 };
  88
  89 #define NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN  16 /* md5 need per RFC1996
  90                                             * is 16 octets
  91                                             */
  92 union nvm_iscsi_chap_password {
  93         u32 value[NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN / 4];
  94         u8 byte[NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN];
  95 };
  96
  97 union nvm_iscsi_lun {
  98         u8  byte[8];
  99         u32 value[2];
 100 };
 101
 102 struct nvm_iscsi_generic {
 103         u32 ctrl_flags;                                         /* 0x0 */
 104 #define NVM_ISCSI_CFG_GEN_CHAP_ENABLED                 BIT(0)
 105 #define NVM_ISCSI_CFG_GEN_DHCP_TCPIP_CONFIG_ENABLED    BIT(1)
 106 #define NVM_ISCSI_CFG_GEN_DHCP_ISCSI_CONFIG_ENABLED    BIT(2)
 107 #define NVM_ISCSI_CFG_GEN_IPV6_ENABLED                 BIT(3)
 108 #define NVM_ISCSI_CFG_GEN_IPV4_FALLBACK_ENABLED        BIT(4)
 109 #define NVM_ISCSI_CFG_GEN_ISNS_WORLD_LOGIN             BIT(5)
 110 #define NVM_ISCSI_CFG_GEN_ISNS_SELECTIVE_LOGIN         BIT(6)
 111 #define NVM_ISCSI_CFG_GEN_ADDR_REDIRECT_ENABLED        BIT(7)
 112 #define NVM_ISCSI_CFG_GEN_CHAP_MUTUAL_ENABLED          BIT(8)
 113
 114         u32 timeout;                                            /* 0x4 */
 115 #define NVM_ISCSI_CFG_GEN_DHCP_REQUEST_TIMEOUT_MASK       0x0000FFFF
 116 #define NVM_ISCSI_CFG_GEN_DHCP_REQUEST_TIMEOUT_OFFSET     0
 117 #define NVM_ISCSI_CFG_GEN_PORT_LOGIN_TIMEOUT_MASK         0xFFFF0000
 118 #define NVM_ISCSI_CFG_GEN_PORT_LOGIN_TIMEOUT_OFFSET       16
 119
 120         union nvm_iscsi_dhcp_vendor_id  dhcp_vendor_id;         /* 0x8  */
 121         u32 rsvd[62];                                           /* 0x108 */
 122 };
 123
 124 struct nvm_iscsi_initiator {
 125         struct nvm_iscsi_initiator_ipv4 ipv4;                   /* 0x0 */
 126         struct nvm_iscsi_initiator_ipv6 ipv6;                   /* 0x38 */
 127
 128         union nvm_iscsi_name           initiator_name;          /* 0x118 */
 129         union nvm_iscsi_chap_name      chap_name;               /* 0x218 */
 130         union nvm_iscsi_chap_password  chap_password;           /* 0x318 */
 131
 132         u32 generic_cont0;                                      /* 0x398 */
 133 #define NVM_ISCSI_CFG_INITIATOR_VLAN_MASK               0x0000FFFF
 134 #define NVM_ISCSI_CFG_INITIATOR_VLAN_OFFSET             0
 135 #define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_MASK         0x00030000
 136 #define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_OFFSET       16
 137 #define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_4            1
 138 #define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_6            2
 139 #define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_4_AND_6      3
 140
 141         u32 ctrl_flags;
 142 #define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_PRIORITY_V6     BIT(0)
 143 #define NVM_ISCSI_CFG_INITIATOR_VLAN_ENABLED               BIT(1)
 144
 145         u32 rsvd[116];                                          /* 0x32C */
 146 };
 147
 148 struct nvm_iscsi_target {
 149         u32 ctrl_flags;                                         /* 0x0 */
 150 #define NVM_ISCSI_CFG_TARGET_ENABLED            BIT(0)
 151 #define NVM_ISCSI_CFG_BOOT_TIME_LOGIN_STATUS    BIT(1)
 152
 153         u32 generic_cont0;                                      /* 0x4 */
 154 #define NVM_ISCSI_CFG_TARGET_TCP_PORT_MASK      0x0000FFFF
 155 #define NVM_ISCSI_CFG_TARGET_TCP_PORT_OFFSET    0
 156
 157         u32 ip_ver;
 158 #define NVM_ISCSI_CFG_IPv4       4
 159 #define NVM_ISCSI_CFG_IPv6       6
 160
 161         u32 rsvd_1[7];                                          /* 0x24 */
 162         union nvm_iscsi_ipv4_addr ipv4_addr;                    /* 0x28 */
 163         union nvm_iscsi_ipv6_addr ipv6_addr;                    /* 0x2C */
 164         union nvm_iscsi_lun lun;                                /* 0x3C */
 165
 166         union nvm_iscsi_name           target_name;             /* 0x44 */
 167         union nvm_iscsi_chap_name      chap_name;               /* 0x144 */
 168         union nvm_iscsi_chap_password  chap_password;           /* 0x244 */
 169
 170         u32 rsvd_2[107];                                        /* 0x2C4 */
 171 };
 172
 173 struct nvm_iscsi_block {
 174         u32 id;                                                 /* 0x0 */
 175 #define NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_MASK         0x0000000F
 176 #define NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_OFFSET       0
 177 #define NVM_ISCSI_CFG_BLK_CTRL_FLAG_MASK            0x00000FF0
 178 #define NVM_ISCSI_CFG_BLK_CTRL_FLAG_OFFSET          4
 179 #define NVM_ISCSI_CFG_BLK_CTRL_FLAG_IS_NOT_EMPTY    BIT(0)
 180 #define NVM_ISCSI_CFG_BLK_CTRL_FLAG_PF_MAPPED       BIT(1)
 181
 182         u32 rsvd_1[5];                                          /* 0x4 */
 183
 184         struct nvm_iscsi_generic     generic;                   /* 0x18 */
 185         struct nvm_iscsi_initiator   initiator;                 /* 0x218 */
 186         struct nvm_iscsi_target      target[NUM_OF_ISCSI_TARGET_PER_PF];
 187                                                                 /* 0x718 */
 188
 189         u32 rsvd_2[58];                                         /* 0x1718 */
 190         /* total size - 0x1800 - 6K block */
 191 };
 192
 193 struct nvm_iscsi_cfg {
 194         u32 id;                                                 /* 0x0 */
 195 #define NVM_ISCSI_CFG_BLK_VERSION_MINOR_MASK     0x000000FF
 196 #define NVM_ISCSI_CFG_BLK_VERSION_MAJOR_MASK     0x0000FF00
 197 #define NVM_ISCSI_CFG_BLK_SIGNATURE_MASK         0xFFFF0000
 198 #define NVM_ISCSI_CFG_BLK_SIGNATURE              0x49430000 /* IC - Iscsi
 199                                                              * Config
 200                                                              */
 201
 202 #define NVM_ISCSI_CFG_BLK_VERSION_MAJOR          0
 203 #define NVM_ISCSI_CFG_BLK_VERSION_MINOR          10
 204 #define NVM_ISCSI_CFG_BLK_VERSION ((NVM_ISCSI_CFG_BLK_VERSION_MAJOR << 8) | \
 205                                    NVM_ISCSI_CFG_BLK_VERSION_MINOR)
 206
 207         struct nvm_iscsi_block  block[NUM_OF_ISCSI_PF_SUPPORTED]; /* 0x4 */
 208 };
 209
 210 #endif