drivers/staging/slicoss/slic.h

   1 /**************************************************************************
   2  *
   3  * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
   4  *
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above
  13  *    copyright notice, this list of conditions and the following
  14  *    disclaimer in the documentation and/or other materials provided
  15  *    with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
  18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  27  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  *
  30  * The views and conclusions contained in the software and documentation
  31  * are those of the authors and should not be interpreted as representing
  32  * official policies, either expressed or implied, of Alacritech, Inc.
  33  *
  34  **************************************************************************/
  35
  36 /*
  37  * FILENAME: slic.h
  38  *
  39  * This is the base set of header definitions for the SLICOSS driver.
  40  */
  41 #ifndef __SLIC_DRIVER_H__
  42 #define __SLIC_DRIVER_H__
  43
  44 /* firmware stuff */
  45 #define OASIS_UCODE_VERS_STRING "1.2"
  46 #define OASIS_UCODE_VERS_DATE   "2006/03/27 15:10:37"
  47 #define OASIS_UCODE_HOSTIF_ID   3
  48
  49 #define MOJAVE_UCODE_VERS_STRING        "1.2"
  50 #define MOJAVE_UCODE_VERS_DATE          "2006/03/27 15:12:22"
  51 #define MOJAVE_UCODE_HOSTIF_ID          3
  52
  53 #define GB_RCVUCODE_VERS_STRING "1.2"
  54 #define GB_RCVUCODE_VERS_DATE   "2006/03/27 15:12:15"
  55 static u32 OasisRcvUCodeLen = 512;
  56 static u32 GBRcvUCodeLen = 512;
  57 #define SECTION_SIZE 65536
  58
  59 struct slic_spinlock {
  60         spinlock_t      lock;
  61         unsigned long   flags;
  62 };
  63
  64 #define SLIC_RSPQ_PAGES_GB        10
  65 #define SLIC_RSPQ_BUFSINPAGE      (PAGE_SIZE / SLIC_RSPBUF_SIZE)
  66
  67 struct slic_rspqueue {
  68         u32             offset;
  69         u32             pageindex;
  70         u32             num_pages;
  71         struct slic_rspbuf *rspbuf;
  72         u32 *vaddr[SLIC_RSPQ_PAGES_GB];
  73         dma_addr_t          paddr[SLIC_RSPQ_PAGES_GB];
  74 };
  75
  76 #define SLIC_RCVQ_EXPANSION         1
  77 #define SLIC_RCVQ_ENTRIES           (256 * SLIC_RCVQ_EXPANSION)
  78 #define SLIC_RCVQ_MINENTRIES        (SLIC_RCVQ_ENTRIES / 2)
  79 #define SLIC_RCVQ_MAX_PROCESS_ISR   ((SLIC_RCVQ_ENTRIES * 4))
  80 #define SLIC_RCVQ_RCVBUFSIZE        2048
  81 #define SLIC_RCVQ_FILLENTRIES       (16 * SLIC_RCVQ_EXPANSION)
  82 #define SLIC_RCVQ_FILLTHRESH        (SLIC_RCVQ_ENTRIES - SLIC_RCVQ_FILLENTRIES)
  83
  84 struct slic_rcvqueue {
  85         struct sk_buff    *head;
  86         struct sk_buff    *tail;
  87         u32            count;
  88         u32            size;
  89         u32            errors;
  90 };
  91
  92 struct slic_rcvbuf_info {
  93         u32     id;
  94         u32     starttime;
  95         u32     stoptime;
  96         u32     slicworld;
  97         u32     lasttime;
  98         u32     lastid;
  99 };
 100 /*
 101  SLIC Handle structure.  Used to restrict handle values to
 102  32 bits by using an index rather than an address.
 103  Simplifies ucode in 64-bit systems
 104 */
 105 struct slic_handle_word {
 106         union {
 107                 struct {
 108                         ushort      index;
 109                         ushort      bottombits; /* to denote num bufs to card */
 110                 }  parts;
 111                 u32         whole;
 112         }  handle;
 113 };
 114
 115 struct slic_handle {
 116         struct slic_handle_word  token;  /* token passed between host and card*/
 117         ushort                      type;
 118         void *address;    /* actual address of the object*/
 119         ushort                      offset;
 120         struct slic_handle       *other_handle;
 121         struct slic_handle       *next;
 122 };
 123
 124 #define SLIC_HANDLE_FREE        0x0000
 125 #define SLIC_HANDLE_DATA        0x0001
 126 #define SLIC_HANDLE_CMD         0x0002
 127 #define SLIC_HANDLE_CONTEXT     0x0003
 128 #define SLIC_HANDLE_TEAM        0x0004
 129
 130 #define handle_index        handle.parts.index
 131 #define handle_bottom       handle.parts.bottombits
 132 #define handle_token        handle.whole
 133
 134 #define SLIC_HOSTCMD_SIZE    512
 135
 136 struct slic_hostcmd {
 137         struct slic_host64_cmd  cmd64;
 138         u32                    type;
 139         struct sk_buff            *skb;
 140         u32                    paddrl;
 141         u32                    paddrh;
 142         u32                    busy;
 143         u32                    cmdsize;
 144         ushort                     numbufs;
 145         struct slic_handle    *pslic_handle;/* handle associated with command */
 146         struct slic_hostcmd    *next;
 147         struct slic_hostcmd    *next_all;
 148 };
 149
 150 #define SLIC_CMDQ_CMDSINPAGE    (PAGE_SIZE / SLIC_HOSTCMD_SIZE)
 151 #define SLIC_CMD_DUMB            3
 152 #define SLIC_CMDQ_INITCMDS       256
 153 #define SLIC_CMDQ_MAXCMDS        256
 154 #define SLIC_CMDQ_MAXOUTSTAND    SLIC_CMDQ_MAXCMDS
 155 #define SLIC_CMDQ_MAXPAGES       (SLIC_CMDQ_MAXCMDS / SLIC_CMDQ_CMDSINPAGE)
 156 #define SLIC_CMDQ_INITPAGES      (SLIC_CMDQ_INITCMDS / SLIC_CMDQ_CMDSINPAGE)
 157
 158 struct slic_cmdqmem {
 159         int pagecnt;
 160         u32 *pages[SLIC_CMDQ_MAXPAGES];
 161         dma_addr_t dma_pages[SLIC_CMDQ_MAXPAGES];
 162 };
 163
 164 struct slic_cmdqueue {
 165         struct slic_hostcmd *head;
 166         struct slic_hostcmd *tail;
 167         int count;
 168         struct slic_spinlock lock;
 169 };
 170
 171 #define SLIC_MAX_CARDS              32
 172 #define SLIC_MAX_PORTS              4        /* Max # of ports per card   */
 173
 174
 175 struct mcast_address {
 176         unsigned char address[6];
 177         struct mcast_address *next;
 178 };
 179
 180 #define CARD_DOWN        0x00000000
 181 #define CARD_UP          0x00000001
 182 #define CARD_FAIL        0x00000002
 183 #define CARD_DIAG        0x00000003
 184 #define CARD_SLEEP       0x00000004
 185
 186 #define ADAPT_DOWN             0x00
 187 #define ADAPT_UP               0x01
 188 #define ADAPT_FAIL             0x02
 189 #define ADAPT_RESET            0x03
 190 #define ADAPT_SLEEP            0x04
 191
 192 #define ADAPT_FLAGS_BOOTTIME            0x0001
 193 #define ADAPT_FLAGS_IS64BIT             0x0002
 194 #define ADAPT_FLAGS_PENDINGLINKDOWN     0x0004
 195 #define ADAPT_FLAGS_FIBERMEDIA          0x0008
 196 #define ADAPT_FLAGS_LOCKS_ALLOCED       0x0010
 197 #define ADAPT_FLAGS_INT_REGISTERED      0x0020
 198 #define ADAPT_FLAGS_LOAD_TIMER_SET      0x0040
 199 #define ADAPT_FLAGS_STATS_TIMER_SET     0x0080
 200 #define ADAPT_FLAGS_RESET_TIMER_SET     0x0100
 201
 202 #define LINK_DOWN              0x00
 203 #define LINK_CONFIG            0x01
 204 #define LINK_UP                0x02
 205
 206 #define LINK_10MB              0x00
 207 #define LINK_100MB             0x01
 208 #define LINK_AUTOSPEED         0x02
 209 #define LINK_1000MB            0x03
 210 #define LINK_10000MB           0x04
 211
 212 #define LINK_HALFD             0x00
 213 #define LINK_FULLD             0x01
 214 #define LINK_AUTOD             0x02
 215
 216 #define MAC_DIRECTED     0x00000001
 217 #define MAC_BCAST        0x00000002
 218 #define MAC_MCAST        0x00000004
 219 #define MAC_PROMISC      0x00000008
 220 #define MAC_LOOPBACK     0x00000010
 221 #define MAC_ALLMCAST     0x00000020
 222
 223 #define SLIC_DUPLEX(x)    ((x == LINK_FULLD) ? "FDX" : "HDX")
 224 #define SLIC_SPEED(x)     ((x == LINK_100MB) ? "100Mb" : ((x == LINK_1000MB) ?\
 225                                 "1000Mb" : " 10Mb"))
 226 #define SLIC_LINKSTATE(x) ((x == LINK_DOWN) ? "Down" : "Up  ")
 227 #define SLIC_ADAPTER_STATE(x) ((x == ADAPT_UP) ? "UP" : "Down")
 228 #define SLIC_CARD_STATE(x)    ((x == CARD_UP) ? "UP" : "Down")
 229
 230 struct slic_iface_stats {
 231         /*
 232         * Stats
 233         */
 234         u64        xmt_bytes;
 235         u64        xmt_ucast;
 236         u64        xmt_mcast;
 237         u64        xmt_bcast;
 238         u64        xmt_errors;
 239         u64        xmt_discards;
 240         u64        xmit_collisions;
 241         u64        xmit_excess_xmit_collisions;
 242         u64        rcv_bytes;
 243         u64        rcv_ucast;
 244         u64        rcv_mcast;
 245         u64        rcv_bcast;
 246         u64        rcv_errors;
 247         u64        rcv_discards;
 248 };
 249
 250 struct sliccp_stats {
 251         u64        xmit_tcp_segs;
 252         u64        xmit_tcp_bytes;
 253         u64        rcv_tcp_segs;
 254         u64        rcv_tcp_bytes;
 255 };
 256
 257 struct slicnet_stats {
 258         struct sliccp_stats        tcp;
 259         struct slic_iface_stats      iface;
 260 };
 261
 262 #define SLIC_LOADTIMER_PERIOD     1
 263 #define SLIC_INTAGG_DEFAULT       200
 264 #define SLIC_LOAD_0               0
 265 #define SLIC_INTAGG_0             0
 266 #define SLIC_LOAD_1               8000
 267 #define SLIC_LOAD_2               10000
 268 #define SLIC_LOAD_3               12000
 269 #define SLIC_LOAD_4               14000
 270 #define SLIC_LOAD_5               16000
 271 #define SLIC_INTAGG_1             50
 272 #define SLIC_INTAGG_2             100
 273 #define SLIC_INTAGG_3             150
 274 #define SLIC_INTAGG_4             200
 275 #define SLIC_INTAGG_5             250
 276 #define SLIC_LOAD_1GB             3000
 277 #define SLIC_LOAD_2GB             6000
 278 #define SLIC_LOAD_3GB             12000
 279 #define SLIC_LOAD_4GB             24000
 280 #define SLIC_LOAD_5GB             48000
 281 #define SLIC_INTAGG_1GB           50
 282 #define SLIC_INTAGG_2GB           75
 283 #define SLIC_INTAGG_3GB           100
 284 #define SLIC_INTAGG_4GB           100
 285 #define SLIC_INTAGG_5GB           100
 286
 287 struct ether_header {
 288         unsigned char    ether_dhost[6];
 289         unsigned char    ether_shost[6];
 290         ushort   ether_type;
 291 };
 292
 293 struct sliccard {
 294         uint              busnumber;
 295         uint              slotnumber;
 296         uint              state;
 297         uint              cardnum;
 298         uint              card_size;
 299         uint              adapters_activated;
 300         uint              adapters_allocated;
 301         uint              adapters_sleeping;
 302         uint              gennumber;
 303         u32           events;
 304         u32           loadlevel_current;
 305         u32           load;
 306         uint              reset_in_progress;
 307         u32           pingstatus;
 308         u32           bad_pingstatus;
 309         struct timer_list loadtimer;
 310         u32           loadtimerset;
 311         uint              config_set;
 312         struct slic_config  config;
 313         struct adapter  *master;
 314         struct adapter  *adapter[SLIC_MAX_PORTS];
 315         struct sliccard *next;
 316         u32             error_interrupts;
 317         u32             error_rmiss_interrupts;
 318         u32             rcv_interrupts;
 319         u32             xmit_interrupts;
 320         u32             num_isrs;
 321         u32             false_interrupts;
 322         u32             max_isr_rcvs;
 323         u32             max_isr_xmits;
 324         u32             rcv_interrupt_yields;
 325         u32             tx_packets;
 326         u32             debug_ix;
 327         ushort              reg_type[32];
 328         ushort              reg_offset[32];
 329         u32             reg_value[32];
 330         u32             reg_valueh[32];
 331 };
 332
 333 #define NUM_CFG_SPACES      2
 334 #define NUM_CFG_REGS        64
 335 #define NUM_CFG_REG_ULONGS  (NUM_CFG_REGS / sizeof(u32))
 336
 337 struct physcard {
 338         struct adapter  *adapter[SLIC_MAX_PORTS];
 339         struct physcard *next;
 340         uint                adapters_allocd;
 341
 342 /*  the following is not currently needed
 343         u32              bridge_busnum;
 344         u32              bridge_cfg[NUM_CFG_SPACES][NUM_CFG_REG_ULONGS];
 345 */
 346 };
 347
 348 struct base_driver {
 349         struct slic_spinlock driver_lock;
 350         u32              num_slic_cards;
 351         u32              num_slic_ports;
 352         u32              num_slic_ports_active;
 353         u32              dynamic_intagg;
 354         struct sliccard  *slic_card;
 355         struct physcard  *phys_card;
 356         uint                 cardnuminuse[SLIC_MAX_CARDS];
 357 };
 358
 359 struct slic_shmem {
 360         volatile u32          isr;
 361         volatile u32          linkstatus;
 362         volatile struct slic_stats     inicstats;
 363 };
 364
 365 struct slic_upr {
 366         uint               adapter;
 367         u32            upr_request;
 368         u32            upr_data;
 369         u32            upr_data_h;
 370         u32            upr_buffer;
 371         u32            upr_buffer_h;
 372         struct slic_upr *next;
 373 };
 374
 375 struct slic_ifevents {
 376         uint        oflow802;
 377         uint        uflow802;
 378         uint        Tprtoflow;
 379         uint        rcvearly;
 380         uint        Bufov;
 381         uint        Carre;
 382         uint        Longe;
 383         uint        Invp;
 384         uint        Crc;
 385         uint        Drbl;
 386         uint        Code;
 387         uint        IpHlen;
 388         uint        IpLen;
 389         uint        IpCsum;
 390         uint        TpCsum;
 391         uint        TpHlen;
 392 };
 393
 394 struct adapter {
 395         void *ifp;
 396         struct sliccard *card;
 397         uint                port;
 398         struct physcard *physcard;
 399         uint                physport;
 400         uint                cardindex;
 401         uint                card_size;
 402         uint                chipid;
 403         struct net_device  *netdev;
 404         struct slic_spinlock     adapter_lock;
 405         struct slic_spinlock     reset_lock;
 406         struct pci_dev     *pcidev;
 407         uint                busnumber;
 408         uint                slotnumber;
 409         uint                functionnumber;
 410         ushort              vendid;
 411         ushort              devid;
 412         ushort              subsysid;
 413         u32             irq;
 414         u32             drambase;
 415         u32             dramlength;
 416         uint                queues_initialized;
 417         uint                allocated;
 418         uint                activated;
 419         u32             intrregistered;
 420         uint                isp_initialized;
 421         uint                gennumber;
 422         u32             curaddrupper;
 423         struct slic_shmem      *pshmem;
 424         dma_addr_t          phys_shmem;
 425         u32             isrcopy;
 426         __iomem struct slic_regs       *slic_regs;
 427         unsigned char               state;
 428         unsigned char               linkstate;
 429         unsigned char               linkspeed;
 430         unsigned char               linkduplex;
 431         uint                flags;
 432         unsigned char               macaddr[6];
 433         unsigned char               currmacaddr[6];
 434         u32             macopts;
 435         ushort              devflags_prev;
 436         u64             mcastmask;
 437         struct mcast_address   *mcastaddrs;
 438         struct slic_upr   *upr_list;
 439         uint                upr_busy;
 440         struct timer_list   pingtimer;
 441         u32             pingtimerset;
 442         struct timer_list   loadtimer;
 443         u32             loadtimerset;
 444         struct slic_spinlock     upr_lock;
 445         struct slic_spinlock     bit64reglock;
 446         struct slic_rspqueue     rspqueue;
 447         struct slic_rcvqueue     rcvqueue;
 448         struct slic_cmdqueue     cmdq_free;
 449         struct slic_cmdqueue     cmdq_done;
 450         struct slic_cmdqueue     cmdq_all;
 451         struct slic_cmdqmem      cmdqmem;
 452         /*
 453         *  SLIC Handles
 454         */
 455         /* Object handles*/
 456         struct slic_handle slic_handles[SLIC_CMDQ_MAXCMDS+1];
 457         /* Free object handles*/
 458         struct slic_handle *pfree_slic_handles;
 459         /* Object handle list lock*/
 460         struct slic_spinlock     handle_lock;
 461         ushort              slic_handle_ix;
 462
 463         u32             xmitq_full;
 464         u32             all_reg_writes;
 465         u32             icr_reg_writes;
 466         u32             isr_reg_writes;
 467         u32             error_interrupts;
 468         u32             error_rmiss_interrupts;
 469         u32             rx_errors;
 470         u32             rcv_drops;
 471         u32             rcv_interrupts;
 472         u32             xmit_interrupts;
 473         u32             linkevent_interrupts;
 474         u32             upr_interrupts;
 475         u32             num_isrs;
 476         u32             false_interrupts;
 477         u32             tx_packets;
 478         u32             xmit_completes;
 479         u32             tx_drops;
 480         u32             rcv_broadcasts;
 481         u32             rcv_multicasts;
 482         u32             rcv_unicasts;
 483         u32             max_isr_rcvs;
 484         u32             max_isr_xmits;
 485         u32             rcv_interrupt_yields;
 486         u32             intagg_period;
 487         struct inicpm_state    *inicpm_info;
 488         void *pinicpm_info;
 489         struct slic_ifevents  if_events;
 490         struct slic_stats        inicstats_prev;
 491         struct slicnet_stats     slic_stats;
 492 };
 493
 494
 495 #define UPDATE_STATS(largestat, newstat, oldstat)                        \
 496 {                                                                        \
 497         if ((newstat) < (oldstat))                                       \
 498                 (largestat) += ((newstat) + (0xFFFFFFFF - oldstat + 1)); \
 499         else                                                             \
 500                 (largestat) += ((newstat) - (oldstat));                  \
 501 }
 502
 503 #define UPDATE_STATS_GB(largestat, newstat, oldstat)                     \
 504 {                                                                        \
 505         (largestat) += ((newstat) - (oldstat));                          \
 506 }
 507
 508 #if BITS_PER_LONG == 64
 509 #define   SLIC_GET_ADDR_LOW(_addr)  (u32)((u64)(_addr) & \
 510         0x00000000FFFFFFFF)
 511 #define   SLIC_GET_ADDR_HIGH(_addr)  (u32)(((u64)(_addr) >> 32) & \
 512         0x00000000FFFFFFFF)
 513 #elif BITS_PER_LONG == 32
 514 #define   SLIC_GET_ADDR_LOW(_addr)   (u32)(_addr)
 515 #define   SLIC_GET_ADDR_HIGH(_addr)  (u32)0
 516 #else
 517 #error BITS_PER_LONG must be 32 or 64
 518 #endif
 519
 520 #define FLUSH           true
 521 #define DONT_FLUSH      false
 522
 523 #define SIOCSLICDUMPCARD         (SIOCDEVPRIVATE+9)
 524 #define SIOCSLICSETINTAGG        (SIOCDEVPRIVATE+10)
 525 #define SIOCSLICTRACEDUMP        (SIOCDEVPRIVATE+11)
 526
 527 #endif /*  __SLIC_DRIVER_H__ */