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