drivers/net/ethernet/emulex/benet/be_hw.h

   1 /*
   2  * Copyright (C) 2005 - 2015 Emulex
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation.  The full GNU General
   8  * Public License is included in this distribution in the file called COPYING.
   9  *
  10  * Contact Information:
  11  * linux-drivers@emulex.com
  12  *
  13  * Emulex
  14  * 3333 Susan Street
  15  * Costa Mesa, CA 92626
  16  */
  17
  18 /********* Mailbox door bell *************/
  19 /* Used for driver communication with the FW.
  20  * The software must write this register twice to post any command. First,
  21  * it writes the register with hi=1 and the upper bits of the physical address
  22  * for the MAILBOX structure. Software must poll the ready bit until this
  23  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
  24  * bits in the address. It must poll the ready bit until the command is
  25  * complete. Upon completion, the MAILBOX will contain a valid completion
  26  * queue entry.
  27  */
  28 #define MPU_MAILBOX_DB_OFFSET   0x160
  29 #define MPU_MAILBOX_DB_RDY_MASK 0x1     /* bit 0 */
  30 #define MPU_MAILBOX_DB_HI_MASK  0x2     /* bit 1 */
  31
  32 #define MPU_EP_CONTROL          0
  33
  34 /********** MPU semphore: used for SH & BE  *************/
  35 #define SLIPORT_SOFTRESET_OFFSET                0x5c    /* CSR BAR offset */
  36 #define SLIPORT_SEMAPHORE_OFFSET_BEx            0xac  /* CSR BAR offset */
  37 #define SLIPORT_SEMAPHORE_OFFSET_SH             0x94  /* PCI-CFG offset */
  38 #define POST_STAGE_MASK                         0x0000FFFF
  39 #define POST_ERR_MASK                           0x1
  40 #define POST_ERR_SHIFT                          31
  41 #define POST_ERR_RECOVERY_CODE_MASK             0xFFF
  42
  43 /* Soft Reset register masks */
  44 #define SLIPORT_SOFTRESET_SR_MASK               0x00000080      /* SR bit */
  45
  46 /* MPU semphore POST stage values */
  47 #define POST_STAGE_AWAITING_HOST_RDY    0x1 /* FW awaiting goahead from host */
  48 #define POST_STAGE_HOST_RDY             0x2 /* Host has given go-ahed to FW */
  49 #define POST_STAGE_BE_RESET             0x3 /* Host wants to reset chip */
  50 #define POST_STAGE_ARMFW_RDY            0xc000  /* FW is done with POST */
  51 #define POST_STAGE_RECOVERABLE_ERR      0xE000  /* Recoverable err detected */
  52
  53 /* Lancer SLIPORT registers */
  54 #define SLIPORT_STATUS_OFFSET           0x404
  55 #define SLIPORT_CONTROL_OFFSET          0x408
  56 #define SLIPORT_ERROR1_OFFSET           0x40C
  57 #define SLIPORT_ERROR2_OFFSET           0x410
  58 #define PHYSDEV_CONTROL_OFFSET          0x414
  59
  60 #define SLIPORT_STATUS_ERR_MASK         0x80000000
  61 #define SLIPORT_STATUS_DIP_MASK         0x02000000
  62 #define SLIPORT_STATUS_RN_MASK          0x01000000
  63 #define SLIPORT_STATUS_RDY_MASK         0x00800000
  64 #define SLI_PORT_CONTROL_IP_MASK        0x08000000
  65 #define PHYSDEV_CONTROL_FW_RESET_MASK   0x00000002
  66 #define PHYSDEV_CONTROL_DD_MASK         0x00000004
  67 #define PHYSDEV_CONTROL_INP_MASK        0x40000000
  68
  69 #define SLIPORT_ERROR_NO_RESOURCE1      0x2
  70 #define SLIPORT_ERROR_NO_RESOURCE2      0x9
  71
  72 #define SLIPORT_ERROR_FW_RESET1         0x2
  73 #define SLIPORT_ERROR_FW_RESET2         0x0
  74
  75 /********* Memory BAR register ************/
  76 #define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET      0xfc
  77 /* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
  78  * Disable" may still globally block interrupts in addition to individual
  79  * interrupt masks; a mechanism for the device driver to block all interrupts
  80  * atomically without having to arbitrate for the PCI Interrupt Disable bit
  81  * with the OS.
  82  */
  83 #define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK      BIT(29) /* bit 29 */
  84
  85 /********* PCI Function Capability *********/
  86 #define BE_FUNCTION_CAPS_RSS                    0x2
  87 #define BE_FUNCTION_CAPS_SUPER_NIC              0x40
  88
  89 /********* Power management (WOL) **********/
  90 #define PCICFG_PM_CONTROL_OFFSET                0x44
  91 #define PCICFG_PM_CONTROL_MASK                  0x108   /* bits 3 & 8 */
  92
  93 /********* Online Control Registers *******/
  94 #define PCICFG_ONLINE0                          0xB0
  95 #define PCICFG_ONLINE1                          0xB4
  96
  97 /********* UE Status and Mask Registers ***/
  98 #define PCICFG_UE_STATUS_LOW                    0xA0
  99 #define PCICFG_UE_STATUS_HIGH                   0xA4
 100 #define PCICFG_UE_STATUS_LOW_MASK               0xA8
 101 #define PCICFG_UE_STATUS_HI_MASK                0xAC
 102
 103 /******** SLI_INTF ***********************/
 104 #define SLI_INTF_REG_OFFSET                     0x58
 105 #define SLI_INTF_VALID_MASK                     0xE0000000
 106 #define SLI_INTF_VALID                          0xC0000000
 107 #define SLI_INTF_HINT2_MASK                     0x1F000000
 108 #define SLI_INTF_HINT2_SHIFT                    24
 109 #define SLI_INTF_HINT1_MASK                     0x00FF0000
 110 #define SLI_INTF_HINT1_SHIFT                    16
 111 #define SLI_INTF_FAMILY_MASK                    0x00000F00
 112 #define SLI_INTF_FAMILY_SHIFT                   8
 113 #define SLI_INTF_IF_TYPE_MASK                   0x0000F000
 114 #define SLI_INTF_IF_TYPE_SHIFT                  12
 115 #define SLI_INTF_REV_MASK                       0x000000F0
 116 #define SLI_INTF_REV_SHIFT                      4
 117 #define SLI_INTF_FT_MASK                        0x00000001
 118
 119 #define SLI_INTF_TYPE_2         2
 120 #define SLI_INTF_TYPE_3         3
 121
 122 /********* ISR0 Register offset **********/
 123 #define CEV_ISR0_OFFSET                         0xC18
 124 #define CEV_ISR_SIZE                            4
 125
 126 /********* Event Q door bell *************/
 127 #define DB_EQ_OFFSET                    DB_CQ_OFFSET
 128 #define DB_EQ_RING_ID_MASK              0x1FF   /* bits 0 - 8 */
 129 #define DB_EQ_RING_ID_EXT_MASK          0x3e00  /* bits 9-13 */
 130 #define DB_EQ_RING_ID_EXT_MASK_SHIFT    (2) /* qid bits 9-13 placing at 11-15 */
 131
 132 /* Clear the interrupt for this eq */
 133 #define DB_EQ_CLR_SHIFT                 (9)     /* bit 9 */
 134 /* Must be 1 */
 135 #define DB_EQ_EVNT_SHIFT                (10)    /* bit 10 */
 136 /* Number of event entries processed */
 137 #define DB_EQ_NUM_POPPED_SHIFT          (16)    /* bits 16 - 28 */
 138 /* Rearm bit */
 139 #define DB_EQ_REARM_SHIFT               (29)    /* bit 29 */
 140 /* Rearm to interrupt delay encoding */
 141 #define DB_EQ_R2I_DLY_SHIFT             (30)    /* bits 30 - 31 */
 142
 143 /* Rearm to interrupt (R2I) delay multiplier encoding represents 3 different
 144  * values configured in CEV_REARM2IRPT_DLY_MULT_CSR register. This value is
 145  * programmed by host driver while ringing an EQ doorbell(EQ_DB) if a delay
 146  * between rearming the EQ and next interrupt on this EQ is desired.
 147  */
 148 #define R2I_DLY_ENC_0                   0       /* No delay */
 149 #define R2I_DLY_ENC_1                   1       /* maps to 160us EQ delay */
 150 #define R2I_DLY_ENC_2                   2       /* maps to 96us EQ delay */
 151 #define R2I_DLY_ENC_3                   3       /* maps to 48us EQ delay */
 152
 153 /********* Compl Q door bell *************/
 154 #define DB_CQ_OFFSET                    0x120
 155 #define DB_CQ_RING_ID_MASK              0x3FF   /* bits 0 - 9 */
 156 #define DB_CQ_RING_ID_EXT_MASK          0x7C00  /* bits 10-14 */
 157 #define DB_CQ_RING_ID_EXT_MASK_SHIFT    (1)     /* qid bits 10-14
 158                                                  placing at 11-15 */
 159
 160 /* Number of event entries processed */
 161 #define DB_CQ_NUM_POPPED_SHIFT          (16)    /* bits 16 - 28 */
 162 /* Rearm bit */
 163 #define DB_CQ_REARM_SHIFT               (29)    /* bit 29 */
 164
 165 /********** TX ULP door bell *************/
 166 #define DB_TXULP1_OFFSET                0x60
 167 #define DB_TXULP_RING_ID_MASK           0x7FF   /* bits 0 - 10 */
 168 /* Number of tx entries posted */
 169 #define DB_TXULP_NUM_POSTED_SHIFT       (16)    /* bits 16 - 29 */
 170 #define DB_TXULP_NUM_POSTED_MASK        0x3FFF  /* bits 16 - 29 */
 171
 172 /********** RQ(erx) door bell ************/
 173 #define DB_RQ_OFFSET                    0x100
 174 #define DB_RQ_RING_ID_MASK              0x3FF   /* bits 0 - 9 */
 175 /* Number of rx frags posted */
 176 #define DB_RQ_NUM_POSTED_SHIFT          (24)    /* bits 24 - 31 */
 177
 178 /********** MCC door bell ************/
 179 #define DB_MCCQ_OFFSET                  0x140
 180 #define DB_MCCQ_RING_ID_MASK            0x7FF   /* bits 0 - 10 */
 181 /* Number of entries posted */
 182 #define DB_MCCQ_NUM_POSTED_SHIFT        (16)    /* bits 16 - 29 */
 183
 184 /********** SRIOV VF PCICFG OFFSET ********/
 185 #define SRIOV_VF_PCICFG_OFFSET          (4096)
 186
 187 /********** FAT TABLE  ********/
 188 #define RETRIEVE_FAT    0
 189 #define QUERY_FAT       1
 190
 191 /************* Rx Packet Type Encoding **************/
 192 #define BE_UNICAST_PACKET               0
 193 #define BE_MULTICAST_PACKET             1
 194 #define BE_BROADCAST_PACKET             2
 195 #define BE_RSVD_PACKET                  3
 196
 197 /*
 198  * BE descriptors: host memory data structures whose formats
 199  * are hardwired in BE silicon.
 200  */
 201 /* Event Queue Descriptor */
 202 #define EQ_ENTRY_VALID_MASK             0x1     /* bit 0 */
 203 #define EQ_ENTRY_RES_ID_MASK            0xFFFF  /* bits 16 - 31 */
 204 #define EQ_ENTRY_RES_ID_SHIFT           16
 205
 206 struct be_eq_entry {
 207         u32 evt;
 208 };
 209
 210 /* TX Queue Descriptor */
 211 #define ETH_WRB_FRAG_LEN_MASK           0xFFFF
 212 struct be_eth_wrb {
 213         __le32 frag_pa_hi;              /* dword 0 */
 214         __le32 frag_pa_lo;              /* dword 1 */
 215         u32 rsvd0;                      /* dword 2 */
 216         __le32 frag_len;                /* dword 3: bits 0 - 15 */
 217 } __packed;
 218
 219 /* Pseudo amap definition for eth_hdr_wrb in which each bit of the
 220  * actual structure is defined as a byte : used to calculate
 221  * offset/shift/mask of each field */
 222 struct amap_eth_hdr_wrb {
 223         u8 rsvd0[32];           /* dword 0 */
 224         u8 rsvd1[32];           /* dword 1 */
 225         u8 complete;            /* dword 2 */
 226         u8 event;
 227         u8 crc;
 228         u8 forward;
 229         u8 lso6;
 230         u8 mgmt;
 231         u8 ipcs;
 232         u8 udpcs;
 233         u8 tcpcs;
 234         u8 lso;
 235         u8 vlan;
 236         u8 gso[2];
 237         u8 num_wrb[5];
 238         u8 lso_mss[14];
 239         u8 len[16];             /* dword 3 */
 240         u8 vlan_tag[16];
 241 } __packed;
 242
 243 #define TX_HDR_WRB_COMPL                1               /* word 2 */
 244 #define TX_HDR_WRB_EVT                  BIT(1)          /* word 2 */
 245 #define TX_HDR_WRB_NUM_SHIFT            13              /* word 2: bits 13:17 */
 246 #define TX_HDR_WRB_NUM_MASK             0x1F            /* word 2: bits 13:17 */
 247
 248 struct be_eth_hdr_wrb {
 249         __le32 dw[4];
 250 };
 251
 252 /********* Tx Compl Status Encoding *********/
 253 #define BE_TX_COMP_HDR_PARSE_ERR        0x2
 254 #define BE_TX_COMP_NDMA_ERR             0x3
 255 #define BE_TX_COMP_ACL_ERR              0x5
 256
 257 #define LANCER_TX_COMP_LSO_ERR                  0x1
 258 #define LANCER_TX_COMP_HSW_DROP_MAC_ERR         0x3
 259 #define LANCER_TX_COMP_HSW_DROP_VLAN_ERR        0x5
 260 #define LANCER_TX_COMP_QINQ_ERR                 0x7
 261 #define LANCER_TX_COMP_PARITY_ERR               0xb
 262 #define LANCER_TX_COMP_DMA_ERR                  0xd
 263
 264 /* TX Compl Queue Descriptor */
 265
 266 /* Pseudo amap definition for eth_tx_compl in which each bit of the
 267  * actual structure is defined as a byte: used to calculate
 268  * offset/shift/mask of each field */
 269 struct amap_eth_tx_compl {
 270         u8 wrb_index[16];       /* dword 0 */
 271         u8 ct[2];               /* dword 0 */
 272         u8 port[2];             /* dword 0 */
 273         u8 rsvd0[8];            /* dword 0 */
 274         u8 status[4];           /* dword 0 */
 275         u8 user_bytes[16];      /* dword 1 */
 276         u8 nwh_bytes[8];        /* dword 1 */
 277         u8 lso;                 /* dword 1 */
 278         u8 cast_enc[2];         /* dword 1 */
 279         u8 rsvd1[5];            /* dword 1 */
 280         u8 rsvd2[32];           /* dword 2 */
 281         u8 pkts[16];            /* dword 3 */
 282         u8 ringid[11];          /* dword 3 */
 283         u8 hash_val[4];         /* dword 3 */
 284         u8 valid;               /* dword 3 */
 285 } __packed;
 286
 287 struct be_eth_tx_compl {
 288         u32 dw[4];
 289 };
 290
 291 /* RX Queue Descriptor */
 292 struct be_eth_rx_d {
 293         u32 fragpa_hi;
 294         u32 fragpa_lo;
 295 };
 296
 297 /* RX Compl Queue Descriptor */
 298
 299 /* Pseudo amap definition for BE2 and BE3 legacy mode eth_rx_compl in which
 300  * each bit of the actual structure is defined as a byte: used to calculate
 301  * offset/shift/mask of each field */
 302 struct amap_eth_rx_compl_v0 {
 303         u8 vlan_tag[16];        /* dword 0 */
 304         u8 pktsize[14];         /* dword 0 */
 305         u8 port;                /* dword 0 */
 306         u8 ip_opt;              /* dword 0 */
 307         u8 err;                 /* dword 1 */
 308         u8 rsshp;               /* dword 1 */
 309         u8 ipf;                 /* dword 1 */
 310         u8 tcpf;                /* dword 1 */
 311         u8 udpf;                /* dword 1 */
 312         u8 ipcksm;              /* dword 1 */
 313         u8 l4_cksm;             /* dword 1 */
 314         u8 ip_version;          /* dword 1 */
 315         u8 macdst[6];           /* dword 1 */
 316         u8 vtp;                 /* dword 1 */
 317         u8 ip_frag;             /* dword 1 */
 318         u8 fragndx[10];         /* dword 1 */
 319         u8 ct[2];               /* dword 1 */
 320         u8 sw;                  /* dword 1 */
 321         u8 numfrags[3];         /* dword 1 */
 322         u8 rss_flush;           /* dword 2 */
 323         u8 cast_enc[2];         /* dword 2 */
 324         u8 qnq;                 /* dword 2 */
 325         u8 rss_bank;            /* dword 2 */
 326         u8 rsvd1[23];           /* dword 2 */
 327         u8 lro_pkt;             /* dword 2 */
 328         u8 rsvd2[2];            /* dword 2 */
 329         u8 valid;               /* dword 2 */
 330         u8 rsshash[32];         /* dword 3 */
 331 } __packed;
 332
 333 /* Pseudo amap definition for BE3 native mode eth_rx_compl in which
 334  * each bit of the actual structure is defined as a byte: used to calculate
 335  * offset/shift/mask of each field */
 336 struct amap_eth_rx_compl_v1 {
 337         u8 vlan_tag[16];        /* dword 0 */
 338         u8 pktsize[14];         /* dword 0 */
 339         u8 vtp;                 /* dword 0 */
 340         u8 ip_opt;              /* dword 0 */
 341         u8 err;                 /* dword 1 */
 342         u8 rsshp;               /* dword 1 */
 343         u8 ipf;                 /* dword 1 */
 344         u8 tcpf;                /* dword 1 */
 345         u8 udpf;                /* dword 1 */
 346         u8 ipcksm;              /* dword 1 */
 347         u8 l4_cksm;             /* dword 1 */
 348         u8 ip_version;          /* dword 1 */
 349         u8 macdst[7];           /* dword 1 */
 350         u8 rsvd0;               /* dword 1 */
 351         u8 fragndx[10];         /* dword 1 */
 352         u8 ct[2];               /* dword 1 */
 353         u8 sw;                  /* dword 1 */
 354         u8 numfrags[3];         /* dword 1 */
 355         u8 rss_flush;           /* dword 2 */
 356         u8 cast_enc[2];         /* dword 2 */
 357         u8 qnq;                 /* dword 2 */
 358         u8 rss_bank;            /* dword 2 */
 359         u8 port[2];             /* dword 2 */
 360         u8 vntagp;              /* dword 2 */
 361         u8 header_len[8];       /* dword 2 */
 362         u8 header_split[2];     /* dword 2 */
 363         u8 rsvd1[12];           /* dword 2 */
 364         u8 tunneled;
 365         u8 valid;               /* dword 2 */
 366         u8 rsshash[32];         /* dword 3 */
 367 } __packed;
 368
 369 struct be_eth_rx_compl {
 370         u32 dw[4];
 371 };