sys/dev/pci/cxgb_osdep.h

   1 /**************************************************************************
   2
   3 Copyright (c) 2007, Chelsio Inc.
   4 All rights reserved.
   5
   6 Redistribution and use in source and binary forms, with or without
   7 modification, are permitted provided that the following conditions are met:
   8
   9  1. Redistributions of source code must retain the above copyright notice,
  10     this list of conditions and the following disclaimer.
  11
  12  2. Neither the name of the Chelsio Corporation nor the names of its
  13     contributors may be used to endorse or promote products derived from
  14     this software without specific prior written permission.
  15
  16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  20 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26 POSSIBILITY OF SUCH DAMAGE.
  27
  28
  29 $FreeBSD: src/sys/dev/cxgb/cxgb_osdep.h,v 1.14 2007/09/10 00:59:51 kmacy Exp $
  30
  31 ***************************************************************************/
  32
  33 #include <sys/param.h>
  34 #include <sys/systm.h>
  35 #ifdef __FreeBSD__
  36 #include <sys/ctype.h>
  37 #endif
  38 #include <sys/endian.h>
  39 #ifdef __FreeBSD__
  40 #include <sys/bus.h>
  41 #endif
  42
  43 #include <dev/mii/mii.h>
  44
  45 #ifdef __FreeBSD__
  46 #ifdef CONFIG_DEFINED
  47 #include <common/cxgb_version.h>
  48 #include <cxgb_config.h>
  49 #else
  50 #include <dev/cxgb/common/cxgb_version.h>
  51 #include <dev/cxgb/cxgb_config.h>
  52 #endif
  53 #endif
  54
  55 #ifndef _CXGB_OSDEP_H_
  56 #define _CXGB_OSDEP_H_
  57
  58 #ifdef __NetBSD__
  59 typedef char *caddr_t;
  60 #include <dev/pci/cxgb_version.h>
  61 #include <dev/pci/cxgb_config.h>
  62 #include <sys/mbuf.h>
  63 #include <machine/bus.h>
  64
  65 #include <netinet/in_systm.h>
  66 #include <netinet/in.h>
  67 #include <netinet/ip.h>
  68
  69 #include <sys/simplelock.h>
  70
  71 #include <sys/kthread.h>
  72 #include <sys/workqueue.h>
  73
  74 #include <sys/atomic.h>
  75
  76 void pci_enable_busmaster(device_t dev);
  77
  78 struct cxgb_task
  79 {
  80     const char *name;
  81     void (*func)(struct work *, void *);
  82     struct workqueue *wq;
  83     struct work w;
  84     void *context;
  85 };
  86
  87 void cxgb_make_task(void *);
  88
  89 void m_cljset(struct mbuf *m, void *cl, int type);
  90
  91 #define mtx simplelock
  92 #define mtx_init(a, b, c, d) { (a)->lock_data = __SIMPLELOCK_UNLOCKED; }
  93 #define mtx_destroy(a)
  94 #define mtx_lock(a) simple_lock(a)
  95 #define mtx_unlock(a) simple_unlock(a)
  96 #define mtx_trylock(a) simple_lock_try(a)
  97 #define MA_OWNED 1
  98 #define MA_NOTOWNED 0
  99 #define mtx_assert(a, w)
 100
 101 #if 0
 102 #define RT_LOCK_INIT(_rt) \
 103         mtx_init(&(_rt)->rt_mtx, "rtentry", NULL, MTX_DEF | MTX_DUPOK)
 104 #define RT_LOCK(_rt)            mtx_lock(&(_rt)->rt_mtx)
 105 #define RT_UNLOCK(_rt)          mtx_unlock(&(_rt)->rt_mtx)
 106 #define RT_LOCK_DESTROY(_rt)    mtx_destroy(&(_rt)->rt_mtx)
 107 #define RT_LOCK_ASSERT(_rt)     mtx_assert(&(_rt)->rt_mtx, MA_OWNED)
 108 #else
 109 #define RT_LOCK_INIT(_rt)
 110 #define RT_LOCK(_rt)
 111 #define RT_UNLOCK(_rt)
 112 #define RT_LOCK_DESTROY(_rt)
 113 #define RT_LOCK_ASSERT(_rt)
 114 #endif
 115
 116 #define RT_ADDREF(_rt)  do {                                    \
 117         RT_LOCK_ASSERT(_rt);                                    \
 118         KASSERT((_rt)->rt_refcnt >= 0);                         \
 119         (_rt)->rt_refcnt++;                                     \
 120 } while (0)
 121 #define RT_REMREF(_rt)  do {                                    \
 122         RT_LOCK_ASSERT(_rt);                                    \
 123         KASSERT((_rt)->rt_refcnt > 0);                          \
 124         (_rt)->rt_refcnt--;                                     \
 125 } while (0)
 126
 127
 128 #define EVL_VLID_MASK       0x0FFF
 129
 130 static inline void critical_enter(void)
 131 {
 132 }
 133
 134 static inline void critical_exit(void)
 135 {
 136 }
 137
 138 static inline void device_printf(device_t d, ...)
 139 {
 140 }
 141
 142 int atomic_fetchadd_int(volatile int *p, int v);
 143 #if 0
 144 int atomic_add_int(volatile int *p, int v);
 145 #endif
 146 int atomic_load_acq_int(volatile int *p);
 147 void atomic_store_rel_int(volatile int *p, int v);
 148
 149 u_short in_cksum_hdr(struct ip *ih);
 150
 151 #define if_drv_flags if_flags
 152 #define IFF_DRV_RUNNING IFF_RUNNING
 153 #define IFF_DRV_OACTIVE IFF_OACTIVE
 154
 155 #define MJUM16BYTES (16*1024)
 156 #define MJUMPAGESIZE PAGE_SIZE
 157
 158 #if 0
 159 #define rw_rlock(x) rw_enter(x, RW_READER)
 160 #define rw_runlock(x) rw_exit(x)
 161 #define rw_wlock(x) rw_enter(x, RW_WRITER)
 162 #define rw_wunlock(x) rw_exit(x)
 163 #endif
 164
 165 #define callout_drain(x) callout_stop(x)
 166
 167 static inline int atomic_cmpset_ptr(volatile long *dst, long exp, long src)
 168 {
 169     if (*dst == exp)
 170     {
 171         *dst = src;
 172         return (1);
 173     }
 174     return (0);
 175 }
 176 #define atomic_cmpset_int(a, b, c) atomic_cmpset_ptr((volatile long *)a, (long)b, (long)c)
 177
 178 static inline int atomic_set_int(volatile int *dst, int val)
 179 {
 180     *dst = val;
 181
 182     return (val);
 183 }
 184
 185 static inline void log(int x, ...)
 186 {
 187 }
 188
 189 struct cxgb_attach_args
 190 {
 191     int port;
 192 };
 193
 194 #define INT3 __asm("int $3")
 195
 196 static inline struct mbuf *
 197 m_defrag(struct mbuf *m0, int flags)
 198 {
 199         struct mbuf *m;
 200         MGETHDR(m, flags, MT_DATA);
 201         if (m == NULL)
 202                 return NULL;
 203
 204         M_COPY_PKTHDR(m, m0);
 205         MCLGET(m, flags);
 206         if ((m->m_flags & M_EXT) == 0) {
 207                 m_free(m);
 208                 return NULL;
 209         }
 210         m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, void *));
 211         m->m_len = m->m_pkthdr.len;
 212         return m;
 213 }
 214
 215 #endif
 216
 217
 218 typedef struct adapter adapter_t;
 219 struct sge_rspq;
 220
 221 struct t3_mbuf_hdr {
 222     struct mbuf *mh_head;
 223     struct mbuf *mh_tail;
 224 };
 225
 226
 227 #define PANIC_IF(exp) do {                  \
 228     if (exp)                            \
 229         panic("BUG: %s", exp);      \
 230 } while (0)
 231
 232
 233 #define m_get_priority(m) ((uintptr_t)(m)->m_pkthdr.rcvif)
 234 #define m_set_priority(m, pri) ((m)->m_pkthdr.rcvif = (struct ifnet *)((uintptr_t)pri))
 235
 236 #if __FreeBSD_version > 700030
 237 #define INTR_FILTERS
 238 #define FIRMWARE_LATEST
 239 #endif
 240
 241 #if ((__FreeBSD_version > 602103) && (__FreeBSD_version < 700000))
 242 #define FIRMWARE_LATEST
 243 #endif
 244
 245 #if __FreeBSD_version > 700000
 246 #define MSI_SUPPORTED
 247 #define TSO_SUPPORTED
 248 #define VLAN_SUPPORTED
 249 #define TASKQUEUE_CURRENT
 250 #else
 251 #define if_name(ifp) (ifp)->if_xname
 252 #define M_SANITY(m, n)
 253 #endif
 254
 255 #define __read_mostly __section(".data.read_mostly")
 256
 257 /*
 258  * Workaround for weird Chelsio issue
 259  */
 260 #if __FreeBSD_version > 700029
 261 #define PRIV_SUPPORTED
 262 #endif
 263
 264 #define CXGB_TX_CLEANUP_THRESHOLD        32
 265
 266 #define LOG_WARNING                       1
 267 #define LOG_ERR                           2
 268
 269 #ifdef DEBUG_PRINT
 270 #define DPRINTF printf
 271 #else
 272 #define DPRINTF(...)
 273 #endif
 274
 275 #define TX_MAX_SIZE                (1 << 16)    /* 64KB                          */
 276 #define TX_MAX_SEGS                      36     /* maximum supported by card     */
 277 #define TX_MAX_DESC                       4     /* max descriptors per packet    */
 278
 279 #define TX_START_MIN_DESC  (TX_MAX_DESC << 2)
 280
 281 #if 0
 282 #define TX_START_MAX_DESC (TX_ETH_Q_SIZE >> 2)  /* maximum number of descriptors */
 283 #endif
 284
 285 #define TX_START_MAX_DESC (TX_MAX_DESC << 3)    /* maximum number of descriptors
 286                          * call to start used per    */
 287
 288 #define TX_CLEAN_MAX_DESC (TX_MAX_DESC << 4)    /* maximum tx descriptors
 289                          * to clean per iteration        */
 290
 291
 292 #if defined(__i386__) || defined(__amd64__)
 293 #define mb()    __asm volatile("mfence":::"memory")
 294 #define rmb()   __asm volatile("lfence":::"memory")
 295 #define wmb()   __asm volatile("sfence" ::: "memory")
 296 #define smp_mb() mb()
 297
 298 #define L1_CACHE_BYTES 64
 299 static __inline
 300 void prefetch(void *x)
 301 {
 302         __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
 303 }
 304
 305 extern void kdb_backtrace(void);
 306
 307 #define WARN_ON(condition) do { \
 308         if (unlikely((condition)!=0)) { \
 309                 log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __func__); \
 310                 kdb_backtrace(); \
 311         } \
 312 } while (0)
 313
 314
 315 #else /* !i386 && !amd64 */
 316 #define mb()
 317 #define rmb()
 318 #define wmb()
 319 #define smp_mb()
 320 #define prefetch(x)
 321 #define L1_CACHE_BYTES 32
 322 #endif
 323 #define DBG_RX          (1 << 0)
 324 static const int debug_flags = DBG_RX;
 325
 326 #ifdef DEBUG_PRINT
 327 #define DBG(flag, msg) do { \
 328     if ((flag & debug_flags))   \
 329         printf msg; \
 330 } while (0)
 331 #else
 332 #define DBG(...)
 333 #endif
 334
 335 #define promisc_rx_mode(rm)  ((rm)->port->ifp->if_flags & IFF_PROMISC)
 336 #define allmulti_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_ALLMULTI)
 337
 338 #ifdef __FreeBSD__
 339 #define CH_ERR(adap, fmt, ...)device_printf(adap->dev, fmt, ##__VA_ARGS__);
 340
 341 #define CH_WARN(adap, fmt, ...) device_printf(adap->dev, fmt, ##__VA_ARGS__)
 342 #define CH_ALERT(adap, fmt, ...) device_printf(adap->dev, fmt, ##__VA_ARGS__)
 343 #endif
 344 #ifdef __NetBSD__
 345 #define CH_ERR(adap, fmt, ...) { }
 346
 347 #define CH_WARN(adap, fmt, ...) { }
 348 #define CH_ALERT(adap, fmt, ...) { }
 349 #endif
 350
 351 #define t3_os_sleep(x) DELAY((x) * 1000)
 352
 353 #define test_and_clear_bit(bit, p) atomic_cmpset_int((p), ((*(p)) | bit), ((*(p)) & ~bit))
 354
 355
 356 #define max_t(type, a, b) (type)max((a), (b))
 357 #define net_device ifnet
 358 #define cpu_to_be32            htobe32
 359
 360
 361
 362 /* Standard PHY definitions */
 363 #define BMCR_LOOPBACK       BMCR_LOOP
 364 #define BMCR_ISOLATE        BMCR_ISO
 365 #define BMCR_ANENABLE       BMCR_AUTOEN
 366 #define BMCR_SPEED1000      BMCR_SPEED1
 367 #define BMCR_SPEED100       BMCR_SPEED0
 368 #define BMCR_ANRESTART      BMCR_STARTNEG
 369 #define BMCR_FULLDPLX       BMCR_FDX
 370 #define BMSR_LSTATUS        BMSR_LINK
 371 #define BMSR_ANEGCOMPLETE   BMSR_ACOMP
 372
 373 #define MII_LPA         MII_ANLPAR
 374 #define MII_ADVERTISE       MII_ANAR
 375 #define MII_CTRL1000        MII_100T2CR
 376
 377 #define ADVERTISE_PAUSE_CAP ANAR_FC
 378 #define ADVERTISE_PAUSE_ASYM    0x0800
 379 #define ADVERTISE_1000HALF  ANAR_X_HD
 380 #define ADVERTISE_1000FULL  ANAR_X_FD
 381 #define ADVERTISE_10FULL    ANAR_10_FD
 382 #define ADVERTISE_10HALF    ANAR_10
 383 #define ADVERTISE_100FULL   ANAR_TX_FD
 384 #define ADVERTISE_100HALF   ANAR_TX
 385
 386 /* Standard PCI Extended Capaibilities definitions */
 387 #define PCI_CAP_ID_VPD  0x03
 388 #define PCI_VPD_ADDR    2
 389 #define PCI_VPD_ADDR_F  0x8000
 390 #define PCI_VPD_DATA    4
 391
 392 #define PCI_CAP_ID_EXP  0x10
 393 #define PCI_EXP_DEVCTL  8
 394 #define PCI_EXP_DEVCTL_PAYLOAD 0x00e0
 395 #define PCI_EXP_LNKCTL  16
 396 #define PCI_EXP_LNKSTA  18
 397
 398 /*
 399  * Linux compatibility macros
 400  */
 401
 402 /* Some simple translations */
 403 #define __devinit
 404 #define udelay(x) DELAY(x)
 405 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
 406 #define le32_to_cpu(x) le32toh(x)
 407 #define cpu_to_le32(x) htole32(x)
 408 #define swab32(x) bswap32(x)
 409 #define simple_strtoul strtoul
 410
 411 /* More types and endian definitions */
 412 typedef uint8_t u8;
 413 typedef uint16_t u16;
 414 typedef uint32_t u32;
 415 typedef uint64_t u64;
 416
 417 typedef uint8_t __u8;
 418 typedef uint16_t __u16;
 419 typedef uint32_t __u32;
 420 typedef uint8_t __be8;
 421 typedef uint16_t __be16;
 422 typedef uint32_t __be32;
 423 typedef uint64_t __be64;
 424
 425 #if BYTE_ORDER == BIG_ENDIAN
 426 #define __BIG_ENDIAN_BITFIELD
 427 #elif BYTE_ORDER == LITTLE_ENDIAN
 428 #define __LITTLE_ENDIAN_BITFIELD
 429 #else
 430 #error "Must set BYTE_ORDER"
 431 #endif
 432
 433 /* Indicates what features are supported by the interface. */
 434 #define SUPPORTED_10baseT_Half          (1 << 0)
 435 #define SUPPORTED_10baseT_Full          (1 << 1)
 436 #define SUPPORTED_100baseT_Half         (1 << 2)
 437 #define SUPPORTED_100baseT_Full         (1 << 3)
 438 #define SUPPORTED_1000baseT_Half        (1 << 4)
 439 #define SUPPORTED_1000baseT_Full        (1 << 5)
 440 #define SUPPORTED_Autoneg               (1 << 6)
 441 #define SUPPORTED_TP                    (1 << 7)
 442 #define SUPPORTED_AUI                   (1 << 8)
 443 #define SUPPORTED_MII                   (1 << 9)
 444 #define SUPPORTED_FIBRE                 (1 << 10)
 445 #define SUPPORTED_BNC                   (1 << 11)
 446 #define SUPPORTED_10000baseT_Full       (1 << 12)
 447 #define SUPPORTED_Pause                 (1 << 13)
 448 #define SUPPORTED_Asym_Pause            (1 << 14)
 449
 450 /* Indicates what features are advertised by the interface. */
 451 #define ADVERTISED_10baseT_Half         (1 << 0)
 452 #define ADVERTISED_10baseT_Full         (1 << 1)
 453 #define ADVERTISED_100baseT_Half        (1 << 2)
 454 #define ADVERTISED_100baseT_Full        (1 << 3)
 455 #define ADVERTISED_1000baseT_Half       (1 << 4)
 456 #define ADVERTISED_1000baseT_Full       (1 << 5)
 457 #define ADVERTISED_Autoneg              (1 << 6)
 458 #define ADVERTISED_TP                   (1 << 7)
 459 #define ADVERTISED_AUI                  (1 << 8)
 460 #define ADVERTISED_MII                  (1 << 9)
 461 #define ADVERTISED_FIBRE                (1 << 10)
 462 #define ADVERTISED_BNC                  (1 << 11)
 463 #define ADVERTISED_10000baseT_Full      (1 << 12)
 464 #define ADVERTISED_Pause                (1 << 13)
 465 #define ADVERTISED_Asym_Pause           (1 << 14)
 466
 467 /* Enable or disable autonegotiation.  If this is set to enable,
 468  * the forced link modes above are completely ignored.
 469  */
 470 #define AUTONEG_DISABLE         0x00
 471 #define AUTONEG_ENABLE          0x01
 472
 473 #define SPEED_10        10
 474 #define SPEED_100       100
 475 #define SPEED_1000      1000
 476 #define SPEED_10000     10000
 477 #define DUPLEX_HALF     0
 478 #define DUPLEX_FULL     1
 479
 480 #endif