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/9.0/sys/dev/cxgb/cxgb_osdep.h 204274 2010-02-24 10:16:18Z np $
   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 #ifndef _CXGB_OSDEP_H_
   45 #define _CXGB_OSDEP_H_
   46 
   47 typedef struct adapter adapter_t;
   48 typedef struct port_info pinfo_t;
   49 struct sge_rspq;
   50 
   51 enum {
   52         TP_TMR_RES = 200,       /* TP timer resolution in usec */
   53         MAX_NPORTS = 4,         /* max # of ports */
   54         TP_SRAM_OFFSET = 4096,  /* TP SRAM content offset in eeprom */
   55         TP_SRAM_LEN = 2112,     /* TP SRAM content offset in eeprom */
   56 };
   57 
   58 struct t3_mbuf_hdr {
   59         struct mbuf *mh_head;
   60         struct mbuf *mh_tail;
   61 };
   62 
   63 #ifndef PANIC_IF
   64 #define PANIC_IF(exp) do {                  \
   65         if (exp)                            \
   66                 panic("BUG: %s", #exp);      \
   67 } while (0)
   68 #endif
   69 
   70 #define m_get_priority(m) ((uintptr_t)(m)->m_pkthdr.rcvif)
   71 #define m_set_priority(m, pri) ((m)->m_pkthdr.rcvif = (struct ifnet *)((uintptr_t)pri))
   72 #define m_set_sgl(m, sgl) ((m)->m_pkthdr.header = (sgl))
   73 #define m_get_sgl(m) ((bus_dma_segment_t *)(m)->m_pkthdr.header)
   74 #define m_set_sgllen(m, len) ((m)->m_pkthdr.ether_vtag = len)
   75 #define m_get_sgllen(m) ((m)->m_pkthdr.ether_vtag)
   76 
   77 /*
   78  * XXX FIXME
   79  */
   80 #define m_set_toep(m, a) ((m)->m_pkthdr.header = (a))
   81 #define m_get_toep(m) ((m)->m_pkthdr.header)
   82 #define m_set_handler(m, handler) ((m)->m_pkthdr.header = (handler))
   83 
   84 #define m_set_socket(m, a) ((m)->m_pkthdr.header = (a))
   85 #define m_get_socket(m) ((m)->m_pkthdr.header)
   86 
   87 #define KTR_CXGB        KTR_SPARE2
   88 
   89 #define MT_DONTFREE  128
   90 
   91 #if __FreeBSD_version < 800054
   92 #if defined (__GNUC__)
   93   #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__
   94     #define mb()  __asm__ __volatile__ ("mfence;": : :"memory")
   95     #define wmb()  __asm__ __volatile__ ("sfence;": : :"memory")
   96     #define rmb()  __asm__ __volatile__ ("lfence;": : :"memory")
   97   #elif #cpu(sparc64) || defined sparc64 || defined __sparcv9 
   98     #define mb()  __asm__ __volatile__ ("membar #MemIssue": : :"memory")
   99     #define wmb() mb()
  100     #define rmb() mb()
  101   #elif #cpu(sparc) || defined sparc || defined __sparc__
  102     #define mb()  __asm__ __volatile__ ("stbar;": : :"memory")
  103     #define wmb() mb()
  104     #define rmb() mb()
  105 #else
  106     #define wmb() mb()
  107     #define rmb() mb()
  108     #define mb()        /* XXX just to make this compile */
  109   #endif
  110 #else
  111   #error "unknown compiler"
  112 #endif
  113 #endif
  114 
  115 #define __read_mostly __attribute__((__section__(".data.read_mostly")))
  116 
  117 /*
  118  * Workaround for weird Chelsio issue
  119  */
  120 #if __FreeBSD_version > 700029
  121 #define PRIV_SUPPORTED
  122 #endif
  123 
  124 #define CXGB_TX_CLEANUP_THRESHOLD        32
  125 
  126 
  127 #ifdef DEBUG_PRINT
  128 #define DPRINTF printf
  129 #else 
  130 #define DPRINTF(...)
  131 #endif
  132 
  133 #define TX_MAX_SIZE                (1 << 16)    /* 64KB                          */
  134 #define TX_MAX_SEGS                      36     /* maximum supported by card     */
  135 
  136 #define TX_MAX_DESC                       4     /* max descriptors per packet    */
  137 
  138 
  139 #define TX_START_MAX_DESC (TX_MAX_DESC << 2)    /* maximum number of descriptors
  140                                                  * call to start used per        */
  141 
  142 #define TX_CLEAN_MAX_DESC (TX_MAX_DESC << 4)    /* maximum tx descriptors
  143                                                  * to clean per iteration        */
  144 #define TX_WR_SIZE_MAX    11*1024              /* the maximum total size of packets aggregated into a single
  145                                                 * TX WR
  146                                                 */
  147 #define TX_WR_COUNT_MAX         7              /* the maximum total number of packets that can be
  148                                                 * aggregated into a single TX WR
  149                                                 */
  150 #if defined(__i386__) || defined(__amd64__)  
  151 
  152 static __inline
  153 void prefetch(void *x) 
  154 { 
  155         __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
  156 }
  157 
  158 #define smp_mb() mb()
  159 
  160 #define L1_CACHE_BYTES 128
  161 extern void kdb_backtrace(void);
  162 
  163 #define WARN_ON(condition) do { \
  164        if (__predict_false((condition)!=0)) {  \
  165                 log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \
  166                 kdb_backtrace(); \
  167         } \
  168 } while (0)
  169 
  170 #else 
  171 #define smp_mb()
  172 #define prefetch(x)
  173 #define L1_CACHE_BYTES 32
  174 #endif
  175 
  176 #define DBG_RX          (1 << 0)
  177 static const int debug_flags = DBG_RX;
  178 
  179 #ifdef DEBUG_PRINT
  180 #define DBG(flag, msg) do {     \
  181         if ((flag & debug_flags))       \
  182                 printf msg; \
  183 } while (0)
  184 #else
  185 #define DBG(...)
  186 #endif
  187 
  188 #include <sys/syslog.h>
  189 
  190 #define promisc_rx_mode(rm)  ((rm)->port->ifp->if_flags & IFF_PROMISC) 
  191 #define allmulti_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_ALLMULTI) 
  192 
  193 #define CH_ERR(adap, fmt, ...) log(LOG_ERR, fmt, ##__VA_ARGS__)
  194 #define CH_WARN(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__)
  195 #define CH_ALERT(adap, fmt, ...) log(LOG_ALERT, fmt, ##__VA_ARGS__)
  196 
  197 #define t3_os_sleep(x) DELAY((x) * 1000)
  198 
  199 #define test_and_clear_bit(bit, p) atomic_cmpset_int((p), ((*(p)) | (1<<bit)), ((*(p)) & ~(1<<bit)))
  200 
  201 #define max_t(type, a, b) (type)max((a), (b))
  202 #define net_device ifnet
  203 #define cpu_to_be32            htobe32
  204 
  205 /* Standard PHY definitions */
  206 #define BMCR_LOOPBACK           BMCR_LOOP
  207 #define BMCR_ISOLATE            BMCR_ISO
  208 #define BMCR_ANENABLE           BMCR_AUTOEN
  209 #define BMCR_SPEED1000          BMCR_SPEED1
  210 #define BMCR_SPEED100           BMCR_SPEED0
  211 #define BMCR_ANRESTART          BMCR_STARTNEG
  212 #define BMCR_FULLDPLX           BMCR_FDX
  213 #define BMSR_LSTATUS            BMSR_LINK
  214 #define BMSR_ANEGCOMPLETE       BMSR_ACOMP
  215 
  216 #define MII_LPA                 MII_ANLPAR
  217 #define MII_ADVERTISE           MII_ANAR
  218 #define MII_CTRL1000            MII_100T2CR
  219 
  220 #define ADVERTISE_PAUSE_CAP     ANAR_FC
  221 #define ADVERTISE_PAUSE_ASYM    0x800
  222 #define ADVERTISE_PAUSE         ANAR_FC
  223 #define ADVERTISE_1000HALF      0x100
  224 #define ADVERTISE_1000FULL      0x200
  225 #define ADVERTISE_10FULL        ANAR_10_FD
  226 #define ADVERTISE_10HALF        ANAR_10
  227 #define ADVERTISE_100FULL       ANAR_TX_FD
  228 #define ADVERTISE_100HALF       ANAR_TX
  229 
  230 
  231 #define ADVERTISE_1000XHALF     ANAR_X_HD
  232 #define ADVERTISE_1000XFULL     ANAR_X_FD
  233 #define ADVERTISE_1000XPSE_ASYM ANAR_X_PAUSE_ASYM
  234 #define ADVERTISE_1000XPAUSE    ANAR_X_PAUSE_SYM
  235 
  236 #define ADVERTISE_CSMA          ANAR_CSMA
  237 #define ADVERTISE_NPAGE         ANAR_NP
  238 
  239 
  240 /* Standard PCI Extended Capabilities definitions */
  241 #define PCI_CAP_ID_VPD  PCIY_VPD
  242 #define PCI_VPD_ADDR    PCIR_VPD_ADDR
  243 #define PCI_VPD_ADDR_F  0x8000
  244 #define PCI_VPD_DATA    PCIR_VPD_DATA
  245 
  246 #define PCI_CAP_ID_EXP          PCIY_EXPRESS
  247 #define PCI_EXP_DEVCTL          PCIR_EXPRESS_DEVICE_CTL
  248 #define PCI_EXP_DEVCTL_PAYLOAD  PCIM_EXP_CTL_MAX_PAYLOAD
  249 #define PCI_EXP_DEVCTL_READRQ   PCIM_EXP_CTL_MAX_READ_REQUEST
  250 #define PCI_EXP_LNKCTL          PCIR_EXPRESS_LINK_CTL
  251 #define PCI_EXP_LNKSTA          PCIR_EXPRESS_LINK_STA
  252 
  253 /*
  254  * Linux compatibility macros
  255  */
  256 
  257 /* Some simple translations */
  258 #define __devinit
  259 #define udelay(x) DELAY(x)
  260 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
  261 #define le32_to_cpu(x) le32toh(x)
  262 #define le16_to_cpu(x) le16toh(x)
  263 #define cpu_to_le32(x) htole32(x)
  264 #define swab32(x) bswap32(x)
  265 #define simple_strtoul strtoul
  266 
  267 
  268 #ifndef LINUX_TYPES_DEFINED
  269 typedef uint8_t         u8;
  270 typedef uint16_t        u16;
  271 typedef uint32_t        u32;
  272 typedef uint64_t        u64;
  273  
  274 typedef uint8_t         __u8;
  275 typedef uint16_t        __u16;
  276 typedef uint32_t        __u32;
  277 typedef uint8_t         __be8;
  278 typedef uint16_t        __be16;
  279 typedef uint32_t        __be32;
  280 typedef uint64_t        __be64;
  281 #endif
  282 
  283 
  284 #if BYTE_ORDER == BIG_ENDIAN
  285 #define __BIG_ENDIAN_BITFIELD
  286 #elif BYTE_ORDER == LITTLE_ENDIAN
  287 #define __LITTLE_ENDIAN_BITFIELD
  288 #else
  289 #error "Must set BYTE_ORDER"
  290 #endif
  291 
  292 /* Indicates what features are supported by the interface. */
  293 #define SUPPORTED_10baseT_Half          (1 << 0)
  294 #define SUPPORTED_10baseT_Full          (1 << 1)
  295 #define SUPPORTED_100baseT_Half         (1 << 2)
  296 #define SUPPORTED_100baseT_Full         (1 << 3)
  297 #define SUPPORTED_1000baseT_Half        (1 << 4)
  298 #define SUPPORTED_1000baseT_Full        (1 << 5)
  299 #define SUPPORTED_Autoneg               (1 << 6)
  300 #define SUPPORTED_TP                    (1 << 7)
  301 #define SUPPORTED_AUI                   (1 << 8)
  302 #define SUPPORTED_MII                   (1 << 9) 
  303 #define SUPPORTED_FIBRE                 (1 << 10)
  304 #define SUPPORTED_BNC                   (1 << 11)
  305 #define SUPPORTED_10000baseT_Full       (1 << 12)
  306 #define SUPPORTED_Pause                 (1 << 13)
  307 #define SUPPORTED_Asym_Pause            (1 << 14)
  308 
  309 /* Indicates what features are advertised by the interface. */
  310 #define ADVERTISED_10baseT_Half         (1 << 0)
  311 #define ADVERTISED_10baseT_Full         (1 << 1)
  312 #define ADVERTISED_100baseT_Half        (1 << 2)
  313 #define ADVERTISED_100baseT_Full        (1 << 3)
  314 #define ADVERTISED_1000baseT_Half       (1 << 4)
  315 #define ADVERTISED_1000baseT_Full       (1 << 5)
  316 #define ADVERTISED_Autoneg              (1 << 6)
  317 #define ADVERTISED_TP                   (1 << 7)
  318 #define ADVERTISED_AUI                  (1 << 8)
  319 #define ADVERTISED_MII                  (1 << 9)
  320 #define ADVERTISED_FIBRE                (1 << 10) 
  321 #define ADVERTISED_BNC                  (1 << 11)
  322 #define ADVERTISED_10000baseT_Full      (1 << 12)
  323 #define ADVERTISED_Pause                (1 << 13)
  324 #define ADVERTISED_Asym_Pause           (1 << 14)
  325 
  326 /* Enable or disable autonegotiation.  If this is set to enable,
  327  * the forced link modes above are completely ignored.
  328  */
  329 #define AUTONEG_DISABLE         0x00
  330 #define AUTONEG_ENABLE          0x01
  331 
  332 #define SPEED_10                10
  333 #define SPEED_100               100
  334 #define SPEED_1000              1000
  335 #define SPEED_10000             10000
  336 #define DUPLEX_HALF             0
  337 #define DUPLEX_FULL             1
  338 
  339 #endif

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