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