drivers/net/benet/be_hw.h

   1 /*
   2  * Copyright (C) 2005 - 2010 ServerEngines
   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@serverengines.com
  12  *
  13  * ServerEngines
  14  * 209 N. Fair Oaks Ave
  15  * Sunnyvale, CA 94085
  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 ******************/
  35 #define MPU_EP_SEMAPHORE_OFFSET         0xac
  36 #define EP_SEMAPHORE_POST_STAGE_MASK    0x0000FFFF
  37 #define EP_SEMAPHORE_POST_ERR_MASK      0x1
  38 #define EP_SEMAPHORE_POST_ERR_SHIFT     31
  39 /* MPU semphore POST stage values */
  40 #define POST_STAGE_AWAITING_HOST_RDY    0x1 /* FW awaiting goahead from host */
  41 #define POST_STAGE_HOST_RDY             0x2 /* Host has given go-ahed to FW */
  42 #define POST_STAGE_BE_RESET             0x3 /* Host wants to reset chip */
  43 #define POST_STAGE_ARMFW_RDY            0xc000  /* FW is done with POST */
  44
  45 /********* Memory BAR register ************/
  46 #define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET      0xfc
  47 /* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
  48  * Disable" may still globally block interrupts in addition to individual
  49  * interrupt masks; a mechanism for the device driver to block all interrupts
  50  * atomically without having to arbitrate for the PCI Interrupt Disable bit
  51  * with the OS.
  52  */
  53 #define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK      (1 << 29) /* bit 29 */
  54
  55 /********* Power management (WOL) **********/
  56 #define PCICFG_PM_CONTROL_OFFSET                0x44
  57 #define PCICFG_PM_CONTROL_MASK                  0x108   /* bits 3 & 8 */
  58
  59 /********* Online Control Registers *******/
  60 #define PCICFG_ONLINE0                          0xB0
  61 #define PCICFG_ONLINE1                          0xB4
  62
  63 /********* UE Status and Mask Registers ***/
  64 #define PCICFG_UE_STATUS_LOW                    0xA0
  65 #define PCICFG_UE_STATUS_HIGH                   0xA4
  66 #define PCICFG_UE_STATUS_LOW_MASK               0xA8
  67 #define PCICFG_UE_STATUS_HI_MASK                0xAC
  68
  69 /********* ISR0 Register offset **********/
  70 #define CEV_ISR0_OFFSET                         0xC18
  71 #define CEV_ISR_SIZE                            4
  72
  73 /********* Event Q door bell *************/
  74 #define DB_EQ_OFFSET                    DB_CQ_OFFSET
  75 #define DB_EQ_RING_ID_MASK              0x1FF   /* bits 0 - 8 */
  76 /* Clear the interrupt for this eq */
  77 #define DB_EQ_CLR_SHIFT                 (9)     /* bit 9 */
  78 /* Must be 1 */
  79 #define DB_EQ_EVNT_SHIFT                (10)    /* bit 10 */
  80 /* Number of event entries processed */
  81 #define DB_EQ_NUM_POPPED_SHIFT          (16)    /* bits 16 - 28 */
  82 /* Rearm bit */
  83 #define DB_EQ_REARM_SHIFT               (29)    /* bit 29 */
  84
  85 /********* Compl Q door bell *************/
  86 #define DB_CQ_OFFSET                    0x120
  87 #define DB_CQ_RING_ID_MASK              0x3FF   /* bits 0 - 9 */
  88 /* Number of event entries processed */
  89 #define DB_CQ_NUM_POPPED_SHIFT          (16)    /* bits 16 - 28 */
  90 /* Rearm bit */
  91 #define DB_CQ_REARM_SHIFT               (29)    /* bit 29 */
  92
  93 /********** TX ULP door bell *************/
  94 #define DB_TXULP1_OFFSET                0x60
  95 #define DB_TXULP_RING_ID_MASK           0x7FF   /* bits 0 - 10 */
  96 /* Number of tx entries posted */
  97 #define DB_TXULP_NUM_POSTED_SHIFT       (16)    /* bits 16 - 29 */
  98 #define DB_TXULP_NUM_POSTED_MASK        0x3FFF  /* bits 16 - 29 */
  99
 100 /********** RQ(erx) door bell ************/
 101 #define DB_RQ_OFFSET                    0x100
 102 #define DB_RQ_RING_ID_MASK              0x3FF   /* bits 0 - 9 */
 103 /* Number of rx frags posted */
 104 #define DB_RQ_NUM_POSTED_SHIFT          (24)    /* bits 24 - 31 */
 105
 106 /********** MCC door bell ************/
 107 #define DB_MCCQ_OFFSET                  0x140
 108 #define DB_MCCQ_RING_ID_MASK            0x7FF   /* bits 0 - 10 */
 109 /* Number of entries posted */
 110 #define DB_MCCQ_NUM_POSTED_SHIFT        (16)    /* bits 16 - 29 */
 111
 112 /********** SRIOV VF PCICFG OFFSET ********/
 113 #define SRIOV_VF_PCICFG_OFFSET          (4096)
 114
 115 /* Flashrom related descriptors */
 116 #define IMAGE_TYPE_FIRMWARE             160
 117 #define IMAGE_TYPE_BOOTCODE             224
 118 #define IMAGE_TYPE_OPTIONROM            32
 119
 120 #define NUM_FLASHDIR_ENTRIES            32
 121
 122 #define IMG_TYPE_ISCSI_ACTIVE           0
 123 #define IMG_TYPE_REDBOOT                1
 124 #define IMG_TYPE_BIOS                   2
 125 #define IMG_TYPE_PXE_BIOS               3
 126 #define IMG_TYPE_FCOE_BIOS              8
 127 #define IMG_TYPE_ISCSI_BACKUP           9
 128 #define IMG_TYPE_FCOE_FW_ACTIVE         10
 129 #define IMG_TYPE_FCOE_FW_BACKUP         11
 130 #define IMG_TYPE_NCSI_FW                13
 131
 132 #define FLASHROM_OPER_FLASH             1
 133 #define FLASHROM_OPER_SAVE              2
 134 #define FLASHROM_OPER_REPORT            4
 135
 136 #define FLASH_IMAGE_MAX_SIZE_g2            (1310720) /* Max firmware image sz */
 137 #define FLASH_BIOS_IMAGE_MAX_SIZE_g2       (262144)  /* Max OPTION ROM img sz */
 138 #define FLASH_REDBOOT_IMAGE_MAX_SIZE_g2   (262144)  /* Max Redboot image sz */
 139 #define FLASH_IMAGE_MAX_SIZE_g3            (2097152) /* Max fw image size */
 140 #define FLASH_BIOS_IMAGE_MAX_SIZE_g3       (524288)  /* Max OPTION ROM img sz */
 141 #define FLASH_REDBOOT_IMAGE_MAX_SIZE_g3   (1048576)  /* Max Redboot image sz */
 142 #define FLASH_NCSI_IMAGE_MAX_SIZE_g3       (262144)  /* Max NSCI image sz */
 143
 144 #define FLASH_NCSI_MAGIC                (0x16032009)
 145 #define FLASH_NCSI_DISABLED             (0)
 146 #define FLASH_NCSI_ENABLED              (1)
 147
 148 #define FLASH_NCSI_BITFILE_HDR_OFFSET   (0x600000)
 149
 150 /* Offsets for components on Flash. */
 151 #define FLASH_iSCSI_PRIMARY_IMAGE_START_g2 (1048576)
 152 #define FLASH_iSCSI_BACKUP_IMAGE_START_g2  (2359296)
 153 #define FLASH_FCoE_PRIMARY_IMAGE_START_g2  (3670016)
 154 #define FLASH_FCoE_BACKUP_IMAGE_START_g2   (4980736)
 155 #define FLASH_iSCSI_BIOS_START_g2          (7340032)
 156 #define FLASH_PXE_BIOS_START_g2            (7864320)
 157 #define FLASH_FCoE_BIOS_START_g2           (524288)
 158 #define FLASH_REDBOOT_START_g2            (0)
 159
 160 #define FLASH_NCSI_START_g3                (15990784)
 161 #define FLASH_iSCSI_PRIMARY_IMAGE_START_g3 (2097152)
 162 #define FLASH_iSCSI_BACKUP_IMAGE_START_g3  (4194304)
 163 #define FLASH_FCoE_PRIMARY_IMAGE_START_g3  (6291456)
 164 #define FLASH_FCoE_BACKUP_IMAGE_START_g3   (8388608)
 165 #define FLASH_iSCSI_BIOS_START_g3          (12582912)
 166 #define FLASH_PXE_BIOS_START_g3            (13107200)
 167 #define FLASH_FCoE_BIOS_START_g3           (13631488)
 168 #define FLASH_REDBOOT_START_g3             (262144)
 169
 170
 171
 172
 173 /*
 174  * BE descriptors: host memory data structures whose formats
 175  * are hardwired in BE silicon.
 176  */
 177 /* Event Queue Descriptor */
 178 #define EQ_ENTRY_VALID_MASK             0x1     /* bit 0 */
 179 #define EQ_ENTRY_RES_ID_MASK            0xFFFF  /* bits 16 - 31 */
 180 #define EQ_ENTRY_RES_ID_SHIFT           16
 181
 182 struct be_eq_entry {
 183         u32 evt;
 184 };
 185
 186 /* TX Queue Descriptor */
 187 #define ETH_WRB_FRAG_LEN_MASK           0xFFFF
 188 struct be_eth_wrb {
 189         u32 frag_pa_hi;         /* dword 0 */
 190         u32 frag_pa_lo;         /* dword 1 */
 191         u32 rsvd0;              /* dword 2 */
 192         u32 frag_len;           /* dword 3: bits 0 - 15 */
 193 } __packed;
 194
 195 /* Pseudo amap definition for eth_hdr_wrb in which each bit of the
 196  * actual structure is defined as a byte : used to calculate
 197  * offset/shift/mask of each field */
 198 struct amap_eth_hdr_wrb {
 199         u8 rsvd0[32];           /* dword 0 */
 200         u8 rsvd1[32];           /* dword 1 */
 201         u8 complete;            /* dword 2 */
 202         u8 event;
 203         u8 crc;
 204         u8 forward;
 205         u8 lso6;
 206         u8 mgmt;
 207         u8 ipcs;
 208         u8 udpcs;
 209         u8 tcpcs;
 210         u8 lso;
 211         u8 vlan;
 212         u8 gso[2];
 213         u8 num_wrb[5];
 214         u8 lso_mss[14];
 215         u8 len[16];             /* dword 3 */
 216         u8 vlan_tag[16];
 217 } __packed;
 218
 219 struct be_eth_hdr_wrb {
 220         u32 dw[4];
 221 };
 222
 223 /* TX Compl Queue Descriptor */
 224
 225 /* Pseudo amap definition for eth_tx_compl in which each bit of the
 226  * actual structure is defined as a byte: used to calculate
 227  * offset/shift/mask of each field */
 228 struct amap_eth_tx_compl {
 229         u8 wrb_index[16];       /* dword 0 */
 230         u8 ct[2];               /* dword 0 */
 231         u8 port[2];             /* dword 0 */
 232         u8 rsvd0[8];            /* dword 0 */
 233         u8 status[4];           /* dword 0 */
 234         u8 user_bytes[16];      /* dword 1 */
 235         u8 nwh_bytes[8];        /* dword 1 */
 236         u8 lso;                 /* dword 1 */
 237         u8 cast_enc[2];         /* dword 1 */
 238         u8 rsvd1[5];            /* dword 1 */
 239         u8 rsvd2[32];           /* dword 2 */
 240         u8 pkts[16];            /* dword 3 */
 241         u8 ringid[11];          /* dword 3 */
 242         u8 hash_val[4];         /* dword 3 */
 243         u8 valid;               /* dword 3 */
 244 } __packed;
 245
 246 struct be_eth_tx_compl {
 247         u32 dw[4];
 248 };
 249
 250 /* RX Queue Descriptor */
 251 struct be_eth_rx_d {
 252         u32 fragpa_hi;
 253         u32 fragpa_lo;
 254 };
 255
 256 /* RX Compl Queue Descriptor */
 257
 258 /* Pseudo amap definition for eth_rx_compl in which each bit of the
 259  * actual structure is defined as a byte: used to calculate
 260  * offset/shift/mask of each field */
 261 struct amap_eth_rx_compl {
 262         u8 vlan_tag[16];        /* dword 0 */
 263         u8 pktsize[14];         /* dword 0 */
 264         u8 port;                /* dword 0 */
 265         u8 ip_opt;              /* dword 0 */
 266         u8 err;                 /* dword 1 */
 267         u8 rsshp;               /* dword 1 */
 268         u8 ipf;                 /* dword 1 */
 269         u8 tcpf;                /* dword 1 */
 270         u8 udpf;                /* dword 1 */
 271         u8 ipcksm;              /* dword 1 */
 272         u8 l4_cksm;             /* dword 1 */
 273         u8 ip_version;          /* dword 1 */
 274         u8 macdst[6];           /* dword 1 */
 275         u8 vtp;                 /* dword 1 */
 276         u8 rsvd0;               /* dword 1 */
 277         u8 fragndx[10];         /* dword 1 */
 278         u8 ct[2];               /* dword 1 */
 279         u8 sw;                  /* dword 1 */
 280         u8 numfrags[3];         /* dword 1 */
 281         u8 rss_flush;           /* dword 2 */
 282         u8 cast_enc[2];         /* dword 2 */
 283         u8 vtm;                 /* dword 2 */
 284         u8 rss_bank;            /* dword 2 */
 285         u8 rsvd1[23];           /* dword 2 */
 286         u8 lro_pkt;             /* dword 2 */
 287         u8 rsvd2[2];            /* dword 2 */
 288         u8 valid;               /* dword 2 */
 289         u8 rsshash[32];         /* dword 3 */
 290 } __packed;
 291
 292 struct be_eth_rx_compl {
 293         u32 dw[4];
 294 };
 295
 296 struct controller_id {
 297         u32 vendor;
 298         u32 device;
 299         u32 subvendor;
 300         u32 subdevice;
 301 };
 302
 303 struct flash_comp {
 304         unsigned long offset;
 305         int optype;
 306         int size;
 307 };
 308
 309 struct image_hdr {
 310         u32 imageid;
 311         u32 imageoffset;
 312         u32 imagelength;
 313         u32 image_checksum;
 314         u8 image_version[32];
 315 };
 316 struct flash_file_hdr_g2 {
 317         u8 sign[32];
 318         u32 cksum;
 319         u32 antidote;
 320         struct controller_id cont_id;
 321         u32 file_len;
 322         u32 chunk_num;
 323         u32 total_chunks;
 324         u32 num_imgs;
 325         u8 build[24];
 326 };
 327
 328 struct flash_file_hdr_g3 {
 329         u8 sign[52];
 330         u8 ufi_version[4];
 331         u32 file_len;
 332         u32 cksum;
 333         u32 antidote;
 334         u32 num_imgs;
 335         u8 build[24];
 336         u8 rsvd[32];
 337 };
 338
 339 struct flash_section_hdr {
 340         u32 format_rev;
 341         u32 cksum;
 342         u32 antidote;
 343         u32 build_no;
 344         u8 id_string[64];
 345         u32 active_entry_mask;
 346         u32 valid_entry_mask;
 347         u32 org_content_mask;
 348         u32 rsvd0;
 349         u32 rsvd1;
 350         u32 rsvd2;
 351         u32 rsvd3;
 352         u32 rsvd4;
 353 };
 354
 355 struct flash_section_entry {
 356         u32 type;
 357         u32 offset;
 358         u32 pad_size;
 359         u32 image_size;
 360         u32 cksum;
 361         u32 entry_point;
 362         u32 rsvd0;
 363         u32 rsvd1;
 364         u8 ver_data[32];
 365 };
 366
 367 struct flash_section_info {
 368         u8 cookie[32];
 369         struct flash_section_hdr fsec_hdr;
 370         struct flash_section_entry fsec_entry[32];
 371 };