The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/cxgb/cxgb_osdep.h

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    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: releng/8.0/sys/dev/cxgb/cxgb_osdep.h 194521 2009-06-19 23:34:32Z kmacy $
   30 
   31 ***************************************************************************/
   32 
   33 #include <sys/param.h>
   34 #include <sys/systm.h>
   35 #include <sys/ctype.h>
   36 #include <sys/endian.h>
   37 #include <sys/bus.h>
   38 
   39 #include <sys/lock.h>
   40 #include <sys/mutex.h>
   41 
   42 #include <dev/mii/mii.h>
   43 
   44 #define CONFIG_CHELSIO_T3_CORE
   45 #include <common/cxgb_version.h>
   46 
   47 #ifndef _CXGB_OSDEP_H_
   48 #define _CXGB_OSDEP_H_
   49 
   50 typedef struct adapter adapter_t;
   51 struct sge_rspq;
   52 
   53 enum {
   54         TP_TMR_RES = 200,       /* TP timer resolution in usec */
   55         MAX_NPORTS = 4,         /* max # of ports */
   56         TP_SRAM_OFFSET = 4096,  /* TP SRAM content offset in eeprom */
   57         TP_SRAM_LEN = 2112,     /* TP SRAM content offset in eeprom */
   58 };
   59 
   60 struct t3_mbuf_hdr {
   61         struct mbuf *mh_head;
   62         struct mbuf *mh_tail;
   63 };
   64 
   65 #ifndef PANIC_IF
   66 #define PANIC_IF(exp) do {                  \
   67         if (exp)                            \
   68                 panic("BUG: %s", #exp);      \
   69 } while (0)
   70 #endif
   71 
   72 #define m_get_priority(m) ((uintptr_t)(m)->m_pkthdr.rcvif)
   73 #define m_set_priority(m, pri) ((m)->m_pkthdr.rcvif = (struct ifnet *)((uintptr_t)pri))
   74 #define m_set_sgl(m, sgl) ((m)->m_pkthdr.header = (sgl))
   75 #define m_get_sgl(m) ((bus_dma_segment_t *)(m)->m_pkthdr.header)
   76 #define m_set_sgllen(m, len) ((m)->m_pkthdr.ether_vtag = len)
   77 #define m_get_sgllen(m) ((m)->m_pkthdr.ether_vtag)
   78 
   79 /*
   80  * XXX FIXME
   81  */
   82 #define m_set_toep(m, a) ((m)->m_pkthdr.header = (a))
   83 #define m_get_toep(m) ((m)->m_pkthdr.header)
   84 #define m_set_handler(m, handler) ((m)->m_pkthdr.header = (handler))
   85 
   86 #define m_set_socket(m, a) ((m)->m_pkthdr.header = (a))
   87 #define m_get_socket(m) ((m)->m_pkthdr.header)
   88 
   89 #define KTR_CXGB        KTR_SPARE2
   90 
   91 #define MT_DONTFREE  128
   92 
   93 #if __FreeBSD_version > 700030
   94 #define INTR_FILTERS
   95 #define FIRMWARE_LATEST
   96 #endif
   97 
   98 #if ((__FreeBSD_version > 602103) && (__FreeBSD_version < 700000))
   99 #define FIRMWARE_LATEST
  100 #endif
  101 
  102 #if __FreeBSD_version > 700000
  103 #define MSI_SUPPORTED
  104 #define TSO_SUPPORTED
  105 #define VLAN_SUPPORTED
  106 #define TASKQUEUE_CURRENT
  107 #else
  108 #define if_name(ifp) (ifp)->if_xname
  109 #define M_SANITY(m, n)
  110 #endif
  111 
  112 #if __FreeBSD_version >= 701000
  113 #include "opt_inet.h"
  114 #ifdef INET
  115 #define LRO_SUPPORTED
  116 #define TOE_SUPPORTED
  117 #endif
  118 #endif
  119 
  120 #if __FreeBSD_version < 800054
  121 #if defined (__GNUC__)
  122   #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__
  123     #define mb()  __asm__ __volatile__ ("mfence;": : :"memory")
  124     #define wmb()  __asm__ __volatile__ ("sfence;": : :"memory")
  125     #define rmb()  __asm__ __volatile__ ("lfence;": : :"memory")
  126   #elif #cpu(sparc64) || defined sparc64 || defined __sparcv9 
  127     #define mb()  __asm__ __volatile__ ("membar #MemIssue": : :"memory")
  128     #define wmb() mb()
  129     #define rmb() mb()
  130   #elif #cpu(sparc) || defined sparc || defined __sparc__
  131     #define mb()  __asm__ __volatile__ ("stbar;": : :"memory")
  132     #define wmb() mb()
  133     #define rmb() mb()
  134 #else
  135     #define wmb() mb()
  136     #define rmb() mb()
  137     #define mb()        /* XXX just to make this compile */
  138   #endif
  139 #else
  140   #error "unknown compiler"
  141 #endif
  142 #endif
  143 
  144 #define __read_mostly __attribute__((__section__(".data.read_mostly")))
  145 
  146 /*
  147  * Workaround for weird Chelsio issue
  148  */
  149 #if __FreeBSD_version > 700029
  150 #define PRIV_SUPPORTED
  151 #endif
  152 
  153 #define CXGB_TX_CLEANUP_THRESHOLD        32
  154 
  155 
  156 #ifdef DEBUG_PRINT
  157 #define DPRINTF printf
  158 #else 
  159 #define DPRINTF(...)
  160 #endif
  161 
  162 #define TX_MAX_SIZE                (1 << 16)    /* 64KB                          */
  163 #define TX_MAX_SEGS                      36     /* maximum supported by card     */
  164 
  165 #define TX_MAX_DESC                       4     /* max descriptors per packet    */
  166 
  167 
  168 #define TX_START_MAX_DESC (TX_MAX_DESC << 2)    /* maximum number of descriptors
  169                                                  * call to start used per        */
  170 
  171 #define TX_CLEAN_MAX_DESC (TX_MAX_DESC << 4)    /* maximum tx descriptors
  172                                                  * to clean per iteration        */
  173 #define TX_WR_SIZE_MAX    11*1024              /* the maximum total size of packets aggregated into a single
  174                                                 * TX WR
  175                                                 */
  176 #define TX_WR_COUNT_MAX         7              /* the maximum total number of packets that can be
  177                                                 * aggregated into a single TX WR
  178                                                 */
  179 #if defined(__i386__) || defined(__amd64__)  
  180 
  181 static __inline
  182 void prefetch(void *x) 
  183 { 
  184         __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
  185 }
  186 
  187 #define smp_mb() mb()
  188 
  189 #define L1_CACHE_BYTES 128
  190 extern void kdb_backtrace(void);
  191 
  192 #define WARN_ON(condition) do { \
  193        if (__predict_false((condition)!=0)) {  \
  194                 log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \
  195                 kdb_backtrace(); \
  196         } \
  197 } while (0)
  198 
  199 #else 
  200 #define smp_mb()
  201 #define prefetch(x)
  202 #define L1_CACHE_BYTES 32
  203 #endif
  204 
  205 #define DBG_RX          (1 << 0)
  206 static const int debug_flags = DBG_RX;
  207 
  208 #ifdef DEBUG_PRINT
  209 #define DBG(flag, msg) do {     \
  210         if ((flag & debug_flags))       \
  211                 printf msg; \
  212 } while (0)
  213 #else
  214 #define DBG(...)
  215 #endif
  216 
  217 #include <sys/syslog.h>
  218 
  219 #define promisc_rx_mode(rm)  ((rm)->port->ifp->if_flags & IFF_PROMISC) 
  220 #define allmulti_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_ALLMULTI) 
  221 
  222 #define CH_ERR(adap, fmt, ...) log(LOG_ERR, fmt, ##__VA_ARGS__)
  223 #define CH_WARN(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__)
  224 #define CH_ALERT(adap, fmt, ...) log(LOG_ALERT, fmt, ##__VA_ARGS__)
  225 
  226 #define t3_os_sleep(x) DELAY((x) * 1000)
  227 
  228 #define test_and_clear_bit(bit, p) atomic_cmpset_int((p), ((*(p)) | (1<<bit)), ((*(p)) & ~(1<<bit)))
  229 
  230 #define max_t(type, a, b) (type)max((a), (b))
  231 #define net_device ifnet
  232 #define cpu_to_be32            htobe32
  233 
  234 /* Standard PHY definitions */
  235 #define BMCR_LOOPBACK           BMCR_LOOP
  236 #define BMCR_ISOLATE            BMCR_ISO
  237 #define BMCR_ANENABLE           BMCR_AUTOEN
  238 #define BMCR_SPEED1000          BMCR_SPEED1
  239 #define BMCR_SPEED100           BMCR_SPEED0
  240 #define BMCR_ANRESTART          BMCR_STARTNEG
  241 #define BMCR_FULLDPLX           BMCR_FDX
  242 #define BMSR_LSTATUS            BMSR_LINK
  243 #define BMSR_ANEGCOMPLETE       BMSR_ACOMP
  244 
  245 #define MII_LPA                 MII_ANLPAR
  246 #define MII_ADVERTISE           MII_ANAR
  247 #define MII_CTRL1000            MII_100T2CR
  248 
  249 #define ADVERTISE_PAUSE_CAP     ANAR_FC
  250 #define ADVERTISE_PAUSE_ASYM    ANAR_X_PAUSE_ASYM
  251 #define ADVERTISE_PAUSE         ANAR_X_PAUSE_SYM
  252 #define ADVERTISE_1000HALF      ANAR_X_HD
  253 #define ADVERTISE_1000FULL      ANAR_X_FD
  254 #define ADVERTISE_10FULL        ANAR_10_FD
  255 #define ADVERTISE_10HALF        ANAR_10
  256 #define ADVERTISE_100FULL       ANAR_TX_FD
  257 #define ADVERTISE_100HALF       ANAR_TX
  258 
  259 
  260 #define ADVERTISE_1000XHALF     ANAR_X_HD
  261 #define ADVERTISE_1000XFULL     ANAR_X_FD
  262 #define ADVERTISE_1000XPSE_ASYM ANAR_X_PAUSE_ASYM
  263 #define ADVERTISE_1000XPAUSE    ANAR_X_PAUSE_SYM
  264 
  265 #define ADVERTISE_CSMA          ANAR_CSMA
  266 #define ADVERTISE_NPAGE         ANAR_NP
  267 
  268 
  269 /* Standard PCI Extended Capaibilities definitions */
  270 #define PCI_CAP_ID_VPD  0x03
  271 #define PCI_VPD_ADDR    2
  272 #define PCI_VPD_ADDR_F  0x8000
  273 #define PCI_VPD_DATA    4
  274 
  275 #define PCI_CAP_ID_EXP  0x10
  276 #define PCI_EXP_DEVCTL  8
  277 #define PCI_EXP_DEVCTL_PAYLOAD 0x00e0
  278 #define PCI_EXP_LNKCTL  16
  279 #define PCI_EXP_LNKSTA  18
  280 
  281 /*
  282  * Linux compatibility macros
  283  */
  284 
  285 /* Some simple translations */
  286 #define __devinit
  287 #define udelay(x) DELAY(x)
  288 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
  289 #define le32_to_cpu(x) le32toh(x)
  290 #define le16_to_cpu(x) le16toh(x)
  291 #define cpu_to_le32(x) htole32(x)
  292 #define swab32(x) bswap32(x)
  293 #define simple_strtoul strtoul
  294 
  295 
  296 #ifndef LINUX_TYPES_DEFINED
  297 typedef uint8_t         u8;
  298 typedef uint16_t        u16;
  299 typedef uint32_t        u32;
  300 typedef uint64_t        u64;
  301  
  302 typedef uint8_t         __u8;
  303 typedef uint16_t        __u16;
  304 typedef uint32_t        __u32;
  305 typedef uint8_t         __be8;
  306 typedef uint16_t        __be16;
  307 typedef uint32_t        __be32;
  308 typedef uint64_t        __be64;
  309 #endif
  310 
  311 
  312 #if BYTE_ORDER == BIG_ENDIAN
  313 #define __BIG_ENDIAN_BITFIELD
  314 #elif BYTE_ORDER == LITTLE_ENDIAN
  315 #define __LITTLE_ENDIAN_BITFIELD
  316 #else
  317 #error "Must set BYTE_ORDER"
  318 #endif
  319 
  320 /* Indicates what features are supported by the interface. */
  321 #define SUPPORTED_10baseT_Half          (1 << 0)
  322 #define SUPPORTED_10baseT_Full          (1 << 1)
  323 #define SUPPORTED_100baseT_Half         (1 << 2)
  324 #define SUPPORTED_100baseT_Full         (1 << 3)
  325 #define SUPPORTED_1000baseT_Half        (1 << 4)
  326 #define SUPPORTED_1000baseT_Full        (1 << 5)
  327 #define SUPPORTED_Autoneg               (1 << 6)
  328 #define SUPPORTED_TP                    (1 << 7)
  329 #define SUPPORTED_AUI                   (1 << 8)
  330 #define SUPPORTED_MII                   (1 << 9) 
  331 #define SUPPORTED_FIBRE                 (1 << 10)
  332 #define SUPPORTED_BNC                   (1 << 11)
  333 #define SUPPORTED_10000baseT_Full       (1 << 12)
  334 #define SUPPORTED_Pause                 (1 << 13)
  335 #define SUPPORTED_Asym_Pause            (1 << 14)
  336 
  337 /* Indicates what features are advertised by the interface. */
  338 #define ADVERTISED_10baseT_Half         (1 << 0)
  339 #define ADVERTISED_10baseT_Full         (1 << 1)
  340 #define ADVERTISED_100baseT_Half        (1 << 2)
  341 #define ADVERTISED_100baseT_Full        (1 << 3)
  342 #define ADVERTISED_1000baseT_Half       (1 << 4)
  343 #define ADVERTISED_1000baseT_Full       (1 << 5)
  344 #define ADVERTISED_Autoneg              (1 << 6)
  345 #define ADVERTISED_TP                   (1 << 7)
  346 #define ADVERTISED_AUI                  (1 << 8)
  347 #define ADVERTISED_MII                  (1 << 9)
  348 #define ADVERTISED_FIBRE                (1 << 10) 
  349 #define ADVERTISED_BNC                  (1 << 11)
  350 #define ADVERTISED_10000baseT_Full      (1 << 12)
  351 #define ADVERTISED_Pause                (1 << 13)
  352 #define ADVERTISED_Asym_Pause           (1 << 14)
  353 
  354 /* Enable or disable autonegotiation.  If this is set to enable,
  355  * the forced link modes above are completely ignored.
  356  */
  357 #define AUTONEG_DISABLE         0x00
  358 #define AUTONEG_ENABLE          0x01
  359 
  360 #define SPEED_10                10
  361 #define SPEED_100               100
  362 #define SPEED_1000              1000
  363 #define SPEED_10000             10000
  364 #define DUPLEX_HALF             0
  365 #define DUPLEX_FULL             1
  366 
  367 #endif

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