Ejemplo n.º 1
0
/*
 *  soc_robo_dos_monitor_deinit
 * Purpose:
 *      dos monitor de-init
 * Parameters:
 *  unit     - unit number.
 * Returns:
 *  
 */
int
soc_robo_dos_monitor_deinit(int unit)
{
    drv_robo_dos_monitor_t  *dm = drv_dm_control[unit];
    
    /* check if dm is null and dm thread running status */
    if (dm != NULL){
        
        SOC_IF_ERROR_RETURN(soc_robo_dos_monitor_enable_set(unit, 0));
        
        if (dm->dm_thread != NULL){
            soc_cm_debug(DK_ERR, 
                    "HW DOS monitor disabled but still exist!,thread(%p)\n",
                     (void *)dm->dm_thread);
        }
        
        if (dm->dm_sema != NULL) {
            sal_sem_destroy(dm->dm_sema);
            dm->dm_sema = NULL;
        }
        
        if (dm->dm_lock != NULL) {
            sal_mutex_destroy(dm->dm_lock);
            dm->dm_lock = NULL;
        }
        
        /* free dm  */
        drv_dm_control[unit] = NULL;
        sal_free(dm);
    }
    
    return SOC_E_NONE;
    
}
Ejemplo n.º 2
0
int
dmac_init(verinet_t *v)
{
    if (v->dmacInited) {
	return 0;
    }

    v->dmacListening =
	sal_sem_create("dmac listener", sal_sem_BINARY, 0);

    printk("Starting DMA service...\n");

    v->dmacListener = sal_thread_create("DMA-listener",
					SAL_THREAD_STKSZ, 100,
					dmac_listener, v);
    if (SAL_THREAD_ERROR == v->dmacListener) {
	printk("ERROR: could not create DMAC task: %s!\n", strerror(errno));
	return -2;
    }

    sal_sem_take(v->dmacListening, sal_sem_FOREVER);  /* Wait for listen() */
    sal_sem_destroy(v->dmacListening);

    v->dmacInited = 1;

    return 0;
}
Ejemplo n.º 3
0
/*
 * Function: _ioctl
 *
 * Purpose:
 *    Handle IOCTL commands from user mode.
 * Parameters:
 *    cmd - IOCTL cmd
 *    arg - IOCTL parameters
 * Returns:
 *    0 on success, <0 on error
 */
static int 
_ioctl(unsigned int cmd, unsigned long arg)
{
    lubde_ioctl_t io;
    uint32 pbase, size;
    const ibde_dev_t *bde_dev;
    int inst_id;
     bde_inst_resource_t *res;

    if (copy_from_user(&io, (void *)arg, sizeof(io))) {
        return -EFAULT;
    }
  
    io.rc = LUBDE_SUCCESS;
  
    switch(cmd) {
    case LUBDE_VERSION:
        io.d0 = 0;
        break;
    case LUBDE_GET_NUM_DEVICES:

        io.d0 = user_bde->num_devices(io.dev);
        break;
    case LUBDE_GET_DEVICE:
        bde_dev = user_bde->get_dev(io.dev);
        if (bde_dev) {
            io.d0 = bde_dev->device;
            io.d1 = bde_dev->rev;
            if (BDE_DEV_MEM_MAPPED(_devices[io.dev].dev_type)) {
                /* Get physical address to map */
                io.d2 = lkbde_get_dev_phys(io.dev);
                io.d3 = lkbde_get_dev_phys_hi(io.dev);
            }
        } else {
            io.rc = LUBDE_FAIL;
        }
        break;
    case LUBDE_GET_DEVICE_TYPE:
        io.d0 = _devices[io.dev].dev_type;
        break;
    case LUBDE_GET_BUS_FEATURES:
        user_bde->pci_bus_features(io.dev, (int *) &io.d0, (int *) &io.d1,
                                   (int *) &io.d2);
        break;
    case LUBDE_PCI_CONFIG_PUT32:
        if (_devices[io.dev].dev_type & BDE_PCI_DEV_TYPE) {
            user_bde->pci_conf_write(io.dev, io.d0, io.d1);
        } else {
            io.rc = LUBDE_FAIL;
        }
        break;
    case LUBDE_PCI_CONFIG_GET32:
        if (_devices[io.dev].dev_type & BDE_PCI_DEV_TYPE) {
            io.d0 = user_bde->pci_conf_read(io.dev, io.d0);
        } else {
            io.rc = LUBDE_FAIL;
        }
        break;
    case LUBDE_GET_DMA_INFO:
        inst_id = io.dev;
        if (_bde_multi_inst){
            _dma_resource_get(inst_id, &pbase, &size);
        } else {
            lkbde_get_dma_info(&pbase, &size);
        }
        io.d0 = pbase;
        io.d1 = size; 
        /* Optionally enable DMA mmap via /dev/linux-kernel-bde */
        io.d2 = USE_LINUX_BDE_MMAP;
        break;
    case LUBDE_ENABLE_INTERRUPTS:
        if (_devices[io.dev].dev_type & BDE_SWITCH_DEV_TYPE) {
            if (_devices[io.dev].isr && !_devices[io.dev].enabled) {
                user_bde->interrupt_connect(io.dev,
                                            _devices[io.dev].isr,
                                            _devices+io.dev);
                _devices[io.dev].enabled = 1;
            }
        } else {
            /* Process ethernet device interrupt */
            /* FIXME: for multiple chips */
            if (!_devices[io.dev].enabled) {
                user_bde->interrupt_connect(io.dev,
                                            (void(*)(void *))_ether_interrupt, 
                                            _devices+io.dev);
                _devices[io.dev].enabled = 1;
            }
        }
        break;
    case LUBDE_DISABLE_INTERRUPTS:
        if (_devices[io.dev].enabled) {
            user_bde->interrupt_disconnect(io.dev);
            _devices[io.dev].enabled = 0;
        }
        break;
    case LUBDE_WAIT_FOR_INTERRUPT:
        if (_devices[io.dev].dev_type & BDE_SWITCH_DEV_TYPE) {
            res = &_bde_inst_resource[_devices[io.dev].inst];
#ifdef BDE_LINUX_NON_INTERRUPTIBLE
            wait_event_timeout(res->intr_wq, 
                               atomic_read(&res->intr) != 0, 100);

#else
            wait_event_interruptible(res->intr_wq,
                                     atomic_read(&res->intr) != 0);
#endif
            /* 
             * Even if we get multiple interrupts, we 
             * only run the interrupt handler once.
             */
            atomic_set(&res->intr, 0);
        } else {
#ifdef BDE_LINUX_NON_INTERRUPTIBLE
            wait_event_timeout(_ether_interrupt_wq,     
                               atomic_read(&_ether_interrupt_has_taken_place) != 0, 100);
#else
            wait_event_interruptible(_ether_interrupt_wq,     
                                     atomic_read(&_ether_interrupt_has_taken_place) != 0);
#endif
            /* 
             * Even if we get multiple interrupts, we 
             * only run the interrupt handler once.
             */
            atomic_set(&_ether_interrupt_has_taken_place, 0);
        }
        break;
    case LUBDE_USLEEP:
        sal_usleep(io.d0);
        break;
    case LUBDE_UDELAY:
        sal_udelay(io.d0);
        break;
    case LUBDE_SEM_OP:
        switch (io.d0) {
        case LUBDE_SEM_OP_CREATE:
            io.p0 = (bde_kernel_addr_t)sal_sem_create("", io.d1, io.d2);
            break;
        case LUBDE_SEM_OP_DESTROY:
            sal_sem_destroy((sal_sem_t)io.p0);
            break;
        case LUBDE_SEM_OP_TAKE:
            io.rc = sal_sem_take((sal_sem_t)io.p0, io.d2);
            break;
        case LUBDE_SEM_OP_GIVE:
            io.rc = sal_sem_give((sal_sem_t)io.p0);
            break;
        default:
            io.rc = LUBDE_FAIL;
            break;
        }
        break;
    case LUBDE_WRITE_IRQ_MASK:
        io.rc = lkbde_irq_mask_set(io.dev, io.d0, io.d1, 0);
        break;
    case LUBDE_SPI_READ_REG:
        if (user_bde->spi_read(io.dev, io.d0, io.dx.buf, io.d1) == -1) {
            io.rc = LUBDE_FAIL;
        } 
        break;
    case LUBDE_SPI_WRITE_REG:
        if (user_bde->spi_write(io.dev, io.d0, io.dx.buf, io.d1) == -1) {
            io.rc = LUBDE_FAIL;
        }
        break;
    case LUBDE_READ_REG_16BIT_BUS:
        io.d1 = user_bde->read(io.dev, io.d0);
        break;
    case LUBDE_WRITE_REG_16BIT_BUS:
        io.rc = user_bde->write(io.dev, io.d0, io.d1);
        break;
#if (defined(BCM_PETRA_SUPPORT) || defined(BCM_DFE_SUPPORT))
    case LUBDE_CPU_WRITE_REG:
    {
        if (lkbde_cpu_write(io.dev, io.d0, (uint32*)io.dx.buf) == -1) {
            io.rc = LUBDE_FAIL;
        }
        break;
    }
    case LUBDE_CPU_READ_REG:
    {
        if (lkbde_cpu_read(io.dev, io.d0, (uint32*)io.dx.buf) == -1) {
            io.rc = LUBDE_FAIL;
        }
        break;
    }
    case LUBDE_CPU_PCI_REGISTER:
    {
        if (lkbde_cpu_pci_register(io.dev) == -1) {
            io.rc = LUBDE_FAIL;
        }
        break;
    }
#endif
    case LUBDE_DEV_RESOURCE:
        bde_dev = user_bde->get_dev(io.dev);
        if (bde_dev) {
            if (BDE_DEV_MEM_MAPPED(_devices[io.dev].dev_type)) {
                /* Get physical address to map */
                io.rc = lkbde_get_dev_resource(io.dev, io.d0,
                                               &io.d1, &io.d2, &io.d3);
            }
        } else {
            io.rc = LUBDE_FAIL;
        }
        break;
    case LUBDE_IPROC_READ_REG:
        io.d1 = user_bde->iproc_read(io.dev, io.d0);
        if (io.d1 == -1) {
            io.rc = LUBDE_FAIL;
        }
        break;
    case LUBDE_IPROC_WRITE_REG:
        if (user_bde->iproc_write(io.dev, io.d0, io.d1) == -1) {
            io.rc = LUBDE_FAIL;
        }
        break;
    case LUBDE_ATTACH_INSTANCE:
        io.rc = _instance_attach(io.d0, io.d1);
        break;
    default:
        gprintk("Error: Invalid ioctl (%08x)\n", cmd);
        io.rc = LUBDE_FAIL;
        break;
    }
  
    if (copy_to_user((void *)arg, &io, sizeof(io))) {
        return -EFAULT;
    }

    return 0;
}
Ejemplo n.º 4
0
cmd_result_t
cmd_esw_rx_mon(int unit, args_t *args)
/*
 * Function:    rx
 * Purpose:     Perform simple RX test
 * Parameters:  unit - unit number
 *              args - arguments
 * Returns:     CMD_XX
 */
{
    char                *c;
    uint32              active;
    int                 r;
    int rv = CMD_OK;

    if (!sh_check_attached(ARG_CMD(args), unit)) {
        return(CMD_FAIL);
    }

    bcm_rx_channels_running(unit, &active);

    c = ARG_GET(args);
    if (c == NULL) {
        printk("Active bitmap for RX is %x.\n", active);
        return CMD_OK;
    }

    if (sal_strcasecmp(c, "init") == 0) {
        if (_init_rx_api(unit) < 0) {
            return CMD_FAIL;
        } else {
            return CMD_OK;
        }
    } else if (sal_strcasecmp(c, "enqueue") == 0) {
        if (pkt_queue_lock[unit] == NULL) { /* Init free pkt stuff */
            pkt_queue_lock[unit] = sal_mutex_create("rxmon");
            pkts_are_ready[unit] = sal_sem_create("rxmon", sal_sem_BINARY, 0);
            if (sal_thread_create("rxmon", SAL_THREAD_STKSZ, 80, rx_free_pkts,
                                  INT_TO_PTR(unit)) == SAL_THREAD_ERROR) {
                printk("FAILED to start rxmon packet free thread\n");
                sal_mutex_destroy(pkt_queue_lock[unit]);
                pkt_queue_lock[unit] = NULL;
                sal_sem_destroy(pkts_are_ready[unit]);
                pkts_are_ready[unit] = NULL;
                return CMD_FAIL;
            }
        }
        enqueue_pkts[unit] = 1;
        if ((c = ARG_GET(args)) != NULL) {
            enqueue_pkts[unit] = strtoul(c, NULL, 0);
        }
    } else if (sal_strcasecmp(c, "-enqueue") == 0) {
        enqueue_pkts[unit] = 0;
    } else if (sal_strcasecmp(c, "start") == 0) {
        rx_cb_count = 0;

        if (!bcm_rx_active(unit)) { /* Try to initialize */
            if (_init_rx_api(unit) < 0) {
                printk("Warning:  init failed.  Will attempt register\n");
            }
        }

        /* Register to accept all cos */
        if ((r = bcm_rx_register(unit, "RX CMD", rx_cb_handler,
                    BASIC_PRIO, NULL, BCM_RCO_F_ALL_COS)) < 0) {
            printk("%s: bcm_rx_register failed: %s\n",
                   ARG_CMD(args), bcm_errmsg(r));
            return CMD_FAIL;
        }

        printk("NOTE:  'debugmod diag rx' required for rxmon output\n");

    } else if (sal_strcasecmp(c, "stop") == 0) {
        if ((r = bcm_rx_stop(unit, &rx_cfg)) < 0) {
            printk("%s: Error: Cannot stop RX: %s.  Is it running?\n",
                   ARG_CMD(args), bcm_errmsg(r));
            return CMD_FAIL;
        }
        /* Unregister handler */
        if ((r = bcm_rx_unregister(unit, rx_cb_handler, BASIC_PRIO)) < 0) {
            printk("%s: bcm_rx_unregister failed: %s\n",
                   ARG_CMD(args), bcm_errmsg(r));
            return CMD_FAIL;
        }

    } else if (sal_strcasecmp(c, "show") == 0) {
#ifdef	BROADCOM_DEBUG
        bcm_rx_show(unit);
#else
	printk("%s: ERROR: cannot show in non-BROADCOM_DEBUG compilation\n",
	       ARG_CMD(args));
	return CMD_FAIL;
#endif	/* BROADCOM_DEBUG */
    } else {
        return CMD_USAGE;
    }

    return rv;
}
Ejemplo n.º 5
0
void
_bcm_ptp_sem_destroy(_bcm_ptp_sem_t b)
{
    sal_sem_destroy(b);
}