2008-02-05 04:20:45 +00:00
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/*
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* Copyright (c) 2006 - 2008 NetEffect, Inc. All rights reserved.
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* Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/ethtool.h>
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#include <linux/mii.h>
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#include <linux/if_vlan.h>
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#include <linux/crc32.h>
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#include <linux/in.h>
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#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/if_arp.h>
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#include <linux/highmem.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/byteorder.h>
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#include <rdma/ib_smi.h>
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#include <rdma/ib_verbs.h>
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#include <rdma/ib_pack.h>
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#include <rdma/iw_cm.h>
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#include "nes.h"
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#include <net/netevent.h>
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#include <net/neighbour.h>
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#include <linux/route.h>
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#include <net/ip_fib.h>
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MODULE_AUTHOR("NetEffect");
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MODULE_DESCRIPTION("NetEffect RNIC Low-level iWARP Driver");
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MODULE_LICENSE("Dual BSD/GPL");
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MODULE_VERSION(DRV_VERSION);
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int max_mtu = 9000;
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int interrupt_mod_interval = 0;
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/* Interoperability */
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int mpa_version = 1;
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2008-09-26 20:08:10 +00:00
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module_param(mpa_version, int, 0644);
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2008-02-05 04:20:45 +00:00
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MODULE_PARM_DESC(mpa_version, "MPA version to be used int MPA Req/Resp (0 or 1)");
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/* Interoperability */
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int disable_mpa_crc = 0;
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2008-09-26 20:08:10 +00:00
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module_param(disable_mpa_crc, int, 0644);
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2008-02-05 04:20:45 +00:00
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MODULE_PARM_DESC(disable_mpa_crc, "Disable checking of MPA CRC");
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unsigned int send_first = 0;
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2008-09-26 20:08:10 +00:00
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module_param(send_first, int, 0644);
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2008-02-05 04:20:45 +00:00
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MODULE_PARM_DESC(send_first, "Send RDMA Message First on Active Connection");
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unsigned int nes_drv_opt = 0;
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2008-09-26 20:08:10 +00:00
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module_param(nes_drv_opt, int, 0644);
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2008-02-05 04:20:45 +00:00
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MODULE_PARM_DESC(nes_drv_opt, "Driver option parameters");
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unsigned int nes_debug_level = 0;
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module_param_named(debug_level, nes_debug_level, uint, 0644);
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MODULE_PARM_DESC(debug_level, "Enable debug output level");
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2008-09-26 20:08:10 +00:00
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unsigned int wqm_quanta = 0x10000;
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module_param(wqm_quanta, int, 0644);
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MODULE_PARM_DESC(wqm_quanta, "WQM quanta");
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2008-02-05 04:20:45 +00:00
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LIST_HEAD(nes_adapter_list);
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2008-04-17 04:01:09 +00:00
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static LIST_HEAD(nes_dev_list);
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2008-02-05 04:20:45 +00:00
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atomic_t qps_destroyed;
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static unsigned int ee_flsh_adapter;
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static unsigned int sysfs_nonidx_addr;
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static unsigned int sysfs_idx_addr;
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static struct pci_device_id nes_pci_table[] = {
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{PCI_VENDOR_ID_NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020, PCI_ANY_ID, PCI_ANY_ID},
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{0}
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};
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MODULE_DEVICE_TABLE(pci, nes_pci_table);
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static int nes_inetaddr_event(struct notifier_block *, unsigned long, void *);
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static int nes_net_event(struct notifier_block *, unsigned long, void *);
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static int nes_notifiers_registered;
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static struct notifier_block nes_inetaddr_notifier = {
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.notifier_call = nes_inetaddr_event
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};
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static struct notifier_block nes_net_notifier = {
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.notifier_call = nes_net_event
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};
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/**
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* nes_inetaddr_event
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*/
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static int nes_inetaddr_event(struct notifier_block *notifier,
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unsigned long event, void *ptr)
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{
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struct in_ifaddr *ifa = ptr;
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struct net_device *event_netdev = ifa->ifa_dev->dev;
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struct nes_device *nesdev;
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struct net_device *netdev;
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struct nes_vnic *nesvnic;
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unsigned int addr;
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unsigned int mask;
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addr = ntohl(ifa->ifa_address);
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mask = ntohl(ifa->ifa_mask);
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2008-04-23 18:55:43 +00:00
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nes_debug(NES_DBG_NETDEV, "nes_inetaddr_event: ip address " NIPQUAD_FMT
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", netmask " NIPQUAD_FMT ".\n",
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HIPQUAD(addr), HIPQUAD(mask));
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2008-02-05 04:20:45 +00:00
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list_for_each_entry(nesdev, &nes_dev_list, list) {
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nes_debug(NES_DBG_NETDEV, "Nesdev list entry = 0x%p. (%s)\n",
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nesdev, nesdev->netdev[0]->name);
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netdev = nesdev->netdev[0];
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nesvnic = netdev_priv(netdev);
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if (netdev == event_netdev) {
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if (nesvnic->rdma_enabled == 0) {
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nes_debug(NES_DBG_NETDEV, "Returning without processing event for %s since"
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" RDMA is not enabled.\n",
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netdev->name);
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return NOTIFY_OK;
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}
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/* we have ifa->ifa_address/mask here if we need it */
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switch (event) {
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case NETDEV_DOWN:
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nes_debug(NES_DBG_NETDEV, "event:DOWN\n");
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nes_write_indexed(nesdev,
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NES_IDX_DST_IP_ADDR+(0x10*PCI_FUNC(nesdev->pcidev->devfn)), 0);
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nes_manage_arp_cache(netdev, netdev->dev_addr,
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ntohl(nesvnic->local_ipaddr), NES_ARP_DELETE);
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nesvnic->local_ipaddr = 0;
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return NOTIFY_OK;
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break;
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case NETDEV_UP:
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nes_debug(NES_DBG_NETDEV, "event:UP\n");
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if (nesvnic->local_ipaddr != 0) {
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nes_debug(NES_DBG_NETDEV, "Interface already has local_ipaddr\n");
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return NOTIFY_OK;
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}
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/* Add the address to the IP table */
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nesvnic->local_ipaddr = ifa->ifa_address;
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nes_write_indexed(nesdev,
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NES_IDX_DST_IP_ADDR+(0x10*PCI_FUNC(nesdev->pcidev->devfn)),
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ntohl(ifa->ifa_address));
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nes_manage_arp_cache(netdev, netdev->dev_addr,
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ntohl(nesvnic->local_ipaddr), NES_ARP_ADD);
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return NOTIFY_OK;
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break;
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default:
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break;
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}
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}
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}
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return NOTIFY_DONE;
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}
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/**
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* nes_net_event
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*/
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static int nes_net_event(struct notifier_block *notifier,
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unsigned long event, void *ptr)
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{
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struct neighbour *neigh = ptr;
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struct nes_device *nesdev;
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struct net_device *netdev;
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struct nes_vnic *nesvnic;
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switch (event) {
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case NETEVENT_NEIGH_UPDATE:
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list_for_each_entry(nesdev, &nes_dev_list, list) {
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/* nes_debug(NES_DBG_NETDEV, "Nesdev list entry = 0x%p.\n", nesdev); */
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netdev = nesdev->netdev[0];
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nesvnic = netdev_priv(netdev);
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if (netdev == neigh->dev) {
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if (nesvnic->rdma_enabled == 0) {
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nes_debug(NES_DBG_NETDEV, "Skipping device %s since no RDMA\n",
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netdev->name);
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} else {
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if (neigh->nud_state & NUD_VALID) {
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nes_manage_arp_cache(neigh->dev, neigh->ha,
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ntohl(*(__be32 *)neigh->primary_key), NES_ARP_ADD);
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} else {
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nes_manage_arp_cache(neigh->dev, neigh->ha,
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ntohl(*(__be32 *)neigh->primary_key), NES_ARP_DELETE);
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}
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}
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return NOTIFY_OK;
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}
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}
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break;
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default:
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nes_debug(NES_DBG_NETDEV, "NETEVENT_ %lu undefined\n", event);
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break;
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}
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return NOTIFY_DONE;
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}
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/**
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* nes_add_ref
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*/
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void nes_add_ref(struct ib_qp *ibqp)
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{
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struct nes_qp *nesqp;
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nesqp = to_nesqp(ibqp);
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nes_debug(NES_DBG_QP, "Bumping refcount for QP%u. Pre-inc value = %u\n",
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ibqp->qp_num, atomic_read(&nesqp->refcount));
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atomic_inc(&nesqp->refcount);
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}
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static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_request *cqp_request)
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{
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unsigned long flags;
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struct nes_qp *nesqp = cqp_request->cqp_callback_pointer;
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struct nes_adapter *nesadapter = nesdev->nesadapter;
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u32 qp_id;
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atomic_inc(&qps_destroyed);
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/* Free the control structures */
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qp_id = nesqp->hwqp.qp_id;
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if (nesqp->pbl_vbase) {
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pci_free_consistent(nesdev->pcidev, nesqp->qp_mem_size,
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nesqp->hwqp.q2_vbase, nesqp->hwqp.q2_pbase);
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spin_lock_irqsave(&nesadapter->pbl_lock, flags);
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nesadapter->free_256pbl++;
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spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
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pci_free_consistent(nesdev->pcidev, 256, nesqp->pbl_vbase, nesqp->pbl_pbase);
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nesqp->pbl_vbase = NULL;
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} else {
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pci_free_consistent(nesdev->pcidev, nesqp->qp_mem_size,
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nesqp->hwqp.sq_vbase, nesqp->hwqp.sq_pbase);
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}
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nes_free_resource(nesadapter, nesadapter->allocated_qps, nesqp->hwqp.qp_id);
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2008-07-25 03:50:45 +00:00
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nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = NULL;
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2008-02-05 04:20:45 +00:00
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kfree(nesqp->allocated_buffer);
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}
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/**
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* nes_rem_ref
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*/
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void nes_rem_ref(struct ib_qp *ibqp)
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{
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u64 u64temp;
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struct nes_qp *nesqp;
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struct nes_vnic *nesvnic = to_nesvnic(ibqp->device);
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struct nes_device *nesdev = nesvnic->nesdev;
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struct nes_hw_cqp_wqe *cqp_wqe;
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struct nes_cqp_request *cqp_request;
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u32 opcode;
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nesqp = to_nesqp(ibqp);
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if (atomic_read(&nesqp->refcount) == 0) {
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printk(KERN_INFO PFX "%s: Reference count already 0 for QP%d, last aeq = 0x%04X.\n",
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2008-04-17 04:01:10 +00:00
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__func__, ibqp->qp_num, nesqp->last_aeq);
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2008-02-05 04:20:45 +00:00
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BUG();
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}
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if (atomic_dec_and_test(&nesqp->refcount)) {
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/* Destroy the QP */
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cqp_request = nes_get_cqp_request(nesdev);
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if (cqp_request == NULL) {
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nes_debug(NES_DBG_QP, "Failed to get a cqp_request.\n");
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return;
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}
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cqp_request->waiting = 0;
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cqp_request->callback = 1;
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cqp_request->cqp_callback = nes_cqp_rem_ref_callback;
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cqp_request->cqp_callback_pointer = nesqp;
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cqp_wqe = &cqp_request->cqp_wqe;
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nes_fill_init_cqp_wqe(cqp_wqe, nesdev);
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opcode = NES_CQP_DESTROY_QP | NES_CQP_QP_TYPE_IWARP;
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if (nesqp->hte_added) {
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opcode |= NES_CQP_QP_DEL_HTE;
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nesqp->hte_added = 0;
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}
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set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_OPCODE_IDX, opcode);
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set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_ID_IDX, nesqp->hwqp.qp_id);
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u64temp = (u64)nesqp->nesqp_context_pbase;
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set_wqe_64bit_value(cqp_wqe->wqe_words, NES_CQP_QP_WQE_CONTEXT_LOW_IDX, u64temp);
|
2008-07-15 06:48:49 +00:00
|
|
|
nes_post_cqp_request(nesdev, cqp_request);
|
2008-02-05 04:20:45 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* nes_get_qp
|
|
|
|
*/
|
|
|
|
struct ib_qp *nes_get_qp(struct ib_device *device, int qpn)
|
|
|
|
{
|
|
|
|
struct nes_vnic *nesvnic = to_nesvnic(device);
|
|
|
|
struct nes_device *nesdev = nesvnic->nesdev;
|
|
|
|
struct nes_adapter *nesadapter = nesdev->nesadapter;
|
|
|
|
|
|
|
|
if ((qpn < NES_FIRST_QPN) || (qpn >= (NES_FIRST_QPN + nesadapter->max_qp)))
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
return &nesadapter->qp_table[qpn - NES_FIRST_QPN]->ibqp;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* nes_print_macaddr
|
|
|
|
*/
|
|
|
|
static void nes_print_macaddr(struct net_device *netdev)
|
|
|
|
{
|
2008-10-27 22:59:26 +00:00
|
|
|
nes_debug(NES_DBG_INIT, "%s: %pM, IRQ %u\n",
|
|
|
|
netdev->name, netdev->dev_addr, netdev->irq);
|
2008-04-23 18:52:18 +00:00
|
|
|
}
|
2008-02-05 04:20:45 +00:00
|
|
|
|
|
|
|
/**
|
|
|
|
* nes_interrupt - handle interrupts
|
|
|
|
*/
|
|
|
|
static irqreturn_t nes_interrupt(int irq, void *dev_id)
|
|
|
|
{
|
|
|
|
struct nes_device *nesdev = (struct nes_device *)dev_id;
|
|
|
|
int handled = 0;
|
|
|
|
u32 int_mask;
|
|
|
|
u32 int_req;
|
|
|
|
u32 int_stat;
|
|
|
|
u32 intf_int_stat;
|
|
|
|
u32 timer_stat;
|
|
|
|
|
|
|
|
if (nesdev->msi_enabled) {
|
|
|
|
/* No need to read the interrupt pending register if msi is enabled */
|
|
|
|
handled = 1;
|
|
|
|
} else {
|
|
|
|
if (unlikely(nesdev->nesadapter->hw_rev == NE020_REV)) {
|
|
|
|
/* Master interrupt enable provides synchronization for kicking off bottom half
|
|
|
|
when interrupt sharing is going on */
|
|
|
|
int_mask = nes_read32(nesdev->regs + NES_INT_MASK);
|
|
|
|
if (int_mask & 0x80000000) {
|
|
|
|
/* Check interrupt status to see if this might be ours */
|
|
|
|
int_stat = nes_read32(nesdev->regs + NES_INT_STAT);
|
|
|
|
int_req = nesdev->int_req;
|
|
|
|
if (int_stat&int_req) {
|
|
|
|
/* if interesting CEQ or AEQ is pending, claim the interrupt */
|
|
|
|
if ((int_stat&int_req) & (~(NES_INT_TIMER|NES_INT_INTF))) {
|
|
|
|
handled = 1;
|
|
|
|
} else {
|
|
|
|
if (((int_stat & int_req) & NES_INT_TIMER) == NES_INT_TIMER) {
|
|
|
|
/* Timer might be running but might be for another function */
|
|
|
|
timer_stat = nes_read32(nesdev->regs + NES_TIMER_STAT);
|
|
|
|
if ((timer_stat & nesdev->timer_int_req) != 0) {
|
|
|
|
handled = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ((((int_stat & int_req) & NES_INT_INTF) == NES_INT_INTF) &&
|
|
|
|
(handled == 0)) {
|
|
|
|
intf_int_stat = nes_read32(nesdev->regs+NES_INTF_INT_STAT);
|
|
|
|
if ((intf_int_stat & nesdev->intf_int_req) != 0) {
|
|
|
|
handled = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (handled) {
|
|
|
|
nes_write32(nesdev->regs+NES_INT_MASK, int_mask & (~0x80000000));
|
|
|
|
int_mask = nes_read32(nesdev->regs+NES_INT_MASK);
|
|
|
|
/* Save off the status to save an additional read */
|
|
|
|
nesdev->int_stat = int_stat;
|
|
|
|
nesdev->napi_isr_ran = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
handled = nes_read32(nesdev->regs+NES_INT_PENDING);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (handled) {
|
|
|
|
|
|
|
|
if (nes_napi_isr(nesdev) == 0) {
|
|
|
|
tasklet_schedule(&nesdev->dpc_tasklet);
|
|
|
|
|
|
|
|
}
|
|
|
|
return IRQ_HANDLED;
|
|
|
|
} else {
|
|
|
|
return IRQ_NONE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* nes_probe - Device initialization
|
|
|
|
*/
|
|
|
|
static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
|
|
|
|
{
|
|
|
|
struct net_device *netdev = NULL;
|
|
|
|
struct nes_device *nesdev = NULL;
|
|
|
|
int ret = 0;
|
|
|
|
struct nes_vnic *nesvnic = NULL;
|
|
|
|
void __iomem *mmio_regs = NULL;
|
|
|
|
u8 hw_rev;
|
|
|
|
|
|
|
|
assert(pcidev != NULL);
|
|
|
|
assert(ent != NULL);
|
|
|
|
|
|
|
|
printk(KERN_INFO PFX "NetEffect RNIC driver v%s loading. (%s)\n",
|
|
|
|
DRV_VERSION, pci_name(pcidev));
|
|
|
|
|
|
|
|
ret = pci_enable_device(pcidev);
|
|
|
|
if (ret) {
|
|
|
|
printk(KERN_ERR PFX "Unable to enable PCI device. (%s)\n", pci_name(pcidev));
|
|
|
|
goto bail0;
|
|
|
|
}
|
|
|
|
|
|
|
|
nes_debug(NES_DBG_INIT, "BAR0 (@0x%08lX) size = 0x%lX bytes\n",
|
|
|
|
(long unsigned int)pci_resource_start(pcidev, BAR_0),
|
|
|
|
(long unsigned int)pci_resource_len(pcidev, BAR_0));
|
|
|
|
nes_debug(NES_DBG_INIT, "BAR1 (@0x%08lX) size = 0x%lX bytes\n",
|
|
|
|
(long unsigned int)pci_resource_start(pcidev, BAR_1),
|
|
|
|
(long unsigned int)pci_resource_len(pcidev, BAR_1));
|
|
|
|
|
|
|
|
/* Make sure PCI base addr are MMIO */
|
|
|
|
if (!(pci_resource_flags(pcidev, BAR_0) & IORESOURCE_MEM) ||
|
|
|
|
!(pci_resource_flags(pcidev, BAR_1) & IORESOURCE_MEM)) {
|
|
|
|
printk(KERN_ERR PFX "PCI regions not an MMIO resource\n");
|
|
|
|
ret = -ENODEV;
|
|
|
|
goto bail1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Reserve PCI I/O and memory resources */
|
|
|
|
ret = pci_request_regions(pcidev, DRV_NAME);
|
|
|
|
if (ret) {
|
|
|
|
printk(KERN_ERR PFX "Unable to request regions. (%s)\n", pci_name(pcidev));
|
|
|
|
goto bail1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((sizeof(dma_addr_t) > 4)) {
|
|
|
|
ret = pci_set_dma_mask(pcidev, DMA_64BIT_MASK);
|
|
|
|
if (ret < 0) {
|
|
|
|
printk(KERN_ERR PFX "64b DMA mask configuration failed\n");
|
|
|
|
goto bail2;
|
|
|
|
}
|
|
|
|
ret = pci_set_consistent_dma_mask(pcidev, DMA_64BIT_MASK);
|
|
|
|
if (ret) {
|
|
|
|
printk(KERN_ERR PFX "64b DMA consistent mask configuration failed\n");
|
|
|
|
goto bail2;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
ret = pci_set_dma_mask(pcidev, DMA_32BIT_MASK);
|
|
|
|
if (ret < 0) {
|
|
|
|
printk(KERN_ERR PFX "32b DMA mask configuration failed\n");
|
|
|
|
goto bail2;
|
|
|
|
}
|
|
|
|
ret = pci_set_consistent_dma_mask(pcidev, DMA_32BIT_MASK);
|
|
|
|
if (ret) {
|
|
|
|
printk(KERN_ERR PFX "32b DMA consistent mask configuration failed\n");
|
|
|
|
goto bail2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pci_set_master(pcidev);
|
|
|
|
|
|
|
|
/* Allocate hardware structure */
|
|
|
|
nesdev = kzalloc(sizeof(struct nes_device), GFP_KERNEL);
|
|
|
|
if (!nesdev) {
|
|
|
|
printk(KERN_ERR PFX "%s: Unable to alloc hardware struct\n", pci_name(pcidev));
|
|
|
|
ret = -ENOMEM;
|
|
|
|
goto bail2;
|
|
|
|
}
|
|
|
|
|
|
|
|
nes_debug(NES_DBG_INIT, "Allocated nes device at %p\n", nesdev);
|
|
|
|
nesdev->pcidev = pcidev;
|
|
|
|
pci_set_drvdata(pcidev, nesdev);
|
|
|
|
|
|
|
|
pci_read_config_byte(pcidev, 0x0008, &hw_rev);
|
|
|
|
nes_debug(NES_DBG_INIT, "hw_rev=%u\n", hw_rev);
|
|
|
|
|
|
|
|
spin_lock_init(&nesdev->indexed_regs_lock);
|
|
|
|
|
|
|
|
/* Remap the PCI registers in adapter BAR0 to kernel VA space */
|
|
|
|
mmio_regs = ioremap_nocache(pci_resource_start(pcidev, BAR_0), sizeof(mmio_regs));
|
|
|
|
if (mmio_regs == NULL) {
|
|
|
|
printk(KERN_ERR PFX "Unable to remap BAR0\n");
|
|
|
|
ret = -EIO;
|
|
|
|
goto bail3;
|
|
|
|
}
|
|
|
|
nesdev->regs = mmio_regs;
|
|
|
|
nesdev->index_reg = 0x50 + (PCI_FUNC(pcidev->devfn)*8) + mmio_regs;
|
|
|
|
|
|
|
|
/* Ensure interrupts are disabled */
|
|
|
|
nes_write32(nesdev->regs+NES_INT_MASK, 0x7fffffff);
|
|
|
|
|
|
|
|
if (nes_drv_opt & NES_DRV_OPT_ENABLE_MSI) {
|
|
|
|
if (!pci_enable_msi(nesdev->pcidev)) {
|
|
|
|
nesdev->msi_enabled = 1;
|
|
|
|
nes_debug(NES_DBG_INIT, "MSI is enabled for device %s\n",
|
|
|
|
pci_name(pcidev));
|
|
|
|
} else {
|
|
|
|
nes_debug(NES_DBG_INIT, "MSI is disabled by linux for device %s\n",
|
|
|
|
pci_name(pcidev));
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
nes_debug(NES_DBG_INIT, "MSI not requested due to driver options for device %s\n",
|
|
|
|
pci_name(pcidev));
|
|
|
|
}
|
|
|
|
|
|
|
|
nesdev->csr_start = pci_resource_start(nesdev->pcidev, BAR_0);
|
|
|
|
nesdev->doorbell_region = pci_resource_start(nesdev->pcidev, BAR_1);
|
|
|
|
|
|
|
|
/* Init the adapter */
|
|
|
|
nesdev->nesadapter = nes_init_adapter(nesdev, hw_rev);
|
|
|
|
if (!nesdev->nesadapter) {
|
|
|
|
printk(KERN_ERR PFX "Unable to initialize adapter.\n");
|
|
|
|
ret = -ENOMEM;
|
|
|
|
goto bail5;
|
|
|
|
}
|
2008-02-21 14:13:47 +00:00
|
|
|
nesdev->nesadapter->et_rx_coalesce_usecs_irq = interrupt_mod_interval;
|
2008-09-26 20:08:10 +00:00
|
|
|
nesdev->nesadapter->wqm_quanta = wqm_quanta;
|
2008-02-05 04:20:45 +00:00
|
|
|
|
|
|
|
/* nesdev->base_doorbell_index =
|
|
|
|
nesdev->nesadapter->pd_config_base[PCI_FUNC(nesdev->pcidev->devfn)]; */
|
|
|
|
nesdev->base_doorbell_index = 1;
|
|
|
|
nesdev->doorbell_start = nesdev->nesadapter->doorbell_start;
|
2008-09-30 21:49:44 +00:00
|
|
|
if (nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) {
|
|
|
|
switch (PCI_FUNC(nesdev->pcidev->devfn) %
|
|
|
|
nesdev->nesadapter->port_count) {
|
|
|
|
case 1:
|
|
|
|
nesdev->mac_index = 2;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
nesdev->mac_index = 1;
|
|
|
|
break;
|
|
|
|
case 3:
|
|
|
|
nesdev->mac_index = 3;
|
|
|
|
break;
|
|
|
|
case 0:
|
|
|
|
default:
|
|
|
|
nesdev->mac_index = 0;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
nesdev->mac_index = PCI_FUNC(nesdev->pcidev->devfn) %
|
|
|
|
nesdev->nesadapter->port_count;
|
|
|
|
}
|
2008-02-05 04:20:45 +00:00
|
|
|
|
|
|
|
tasklet_init(&nesdev->dpc_tasklet, nes_dpc, (unsigned long)nesdev);
|
|
|
|
|
|
|
|
/* bring up the Control QP */
|
|
|
|
if (nes_init_cqp(nesdev)) {
|
|
|
|
ret = -ENODEV;
|
|
|
|
goto bail6;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Arm the CCQ */
|
|
|
|
nes_write32(nesdev->regs+NES_CQE_ALLOC, NES_CQE_ALLOC_NOTIFY_NEXT |
|
|
|
|
PCI_FUNC(nesdev->pcidev->devfn));
|
|
|
|
nes_read32(nesdev->regs+NES_CQE_ALLOC);
|
|
|
|
|
|
|
|
/* Enable the interrupts */
|
|
|
|
nesdev->int_req = (0x101 << PCI_FUNC(nesdev->pcidev->devfn)) |
|
|
|
|
(1 << (PCI_FUNC(nesdev->pcidev->devfn)+16));
|
|
|
|
if (PCI_FUNC(nesdev->pcidev->devfn) < 4) {
|
2008-09-30 21:49:44 +00:00
|
|
|
nesdev->int_req |= (1 << (PCI_FUNC(nesdev->mac_index)+24));
|
2008-02-05 04:20:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* TODO: This really should be the first driver to load, not function 0 */
|
|
|
|
if (PCI_FUNC(nesdev->pcidev->devfn) == 0) {
|
|
|
|
/* pick up PCI and critical errors if the first driver to load */
|
|
|
|
nesdev->intf_int_req = NES_INTF_INT_PCIERR | NES_INTF_INT_CRITERR;
|
|
|
|
nesdev->int_req |= NES_INT_INTF;
|
|
|
|
} else {
|
|
|
|
nesdev->intf_int_req = 0;
|
|
|
|
}
|
|
|
|
nesdev->intf_int_req |= (1 << (PCI_FUNC(nesdev->pcidev->devfn)+16));
|
|
|
|
nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS0, 0);
|
|
|
|
nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS1, 0);
|
|
|
|
nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS2, 0x00001265);
|
|
|
|
nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS4, 0x18021804);
|
|
|
|
|
|
|
|
nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS3, 0x17801790);
|
|
|
|
|
|
|
|
/* deal with both periodic and one_shot */
|
|
|
|
nesdev->timer_int_req = 0x101 << PCI_FUNC(nesdev->pcidev->devfn);
|
|
|
|
nesdev->nesadapter->timer_int_req |= nesdev->timer_int_req;
|
|
|
|
nes_debug(NES_DBG_INIT, "setting int_req for function %u, nesdev = 0x%04X, adapter = 0x%04X\n",
|
|
|
|
PCI_FUNC(nesdev->pcidev->devfn),
|
|
|
|
nesdev->timer_int_req, nesdev->nesadapter->timer_int_req);
|
|
|
|
|
|
|
|
nes_write32(nesdev->regs+NES_INTF_INT_MASK, ~(nesdev->intf_int_req));
|
|
|
|
|
|
|
|
list_add_tail(&nesdev->list, &nes_dev_list);
|
|
|
|
|
|
|
|
/* Request an interrupt line for the driver */
|
|
|
|
ret = request_irq(pcidev->irq, nes_interrupt, IRQF_SHARED, DRV_NAME, nesdev);
|
|
|
|
if (ret) {
|
|
|
|
printk(KERN_ERR PFX "%s: requested IRQ %u is busy\n",
|
|
|
|
pci_name(pcidev), pcidev->irq);
|
|
|
|
goto bail65;
|
|
|
|
}
|
|
|
|
|
|
|
|
nes_write32(nesdev->regs+NES_INT_MASK, ~nesdev->int_req);
|
|
|
|
|
|
|
|
if (nes_notifiers_registered == 0) {
|
|
|
|
register_inetaddr_notifier(&nes_inetaddr_notifier);
|
|
|
|
register_netevent_notifier(&nes_net_notifier);
|
|
|
|
}
|
|
|
|
nes_notifiers_registered++;
|
|
|
|
|
|
|
|
/* Initialize network devices */
|
|
|
|
if ((netdev = nes_netdev_init(nesdev, mmio_regs)) == NULL) {
|
|
|
|
goto bail7;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Register network device */
|
|
|
|
ret = register_netdev(netdev);
|
|
|
|
if (ret) {
|
|
|
|
printk(KERN_ERR PFX "Unable to register netdev, ret = %d\n", ret);
|
|
|
|
nes_netdev_destroy(netdev);
|
|
|
|
goto bail7;
|
|
|
|
}
|
|
|
|
|
|
|
|
nes_print_macaddr(netdev);
|
|
|
|
/* create a CM core for this netdev */
|
|
|
|
nesvnic = netdev_priv(netdev);
|
|
|
|
|
|
|
|
nesdev->netdev_count++;
|
|
|
|
nesdev->nesadapter->netdev_count++;
|
|
|
|
|
|
|
|
|
|
|
|
printk(KERN_ERR PFX "%s: NetEffect RNIC driver successfully loaded.\n",
|
|
|
|
pci_name(pcidev));
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
bail7:
|
|
|
|
printk(KERN_ERR PFX "bail7\n");
|
|
|
|
while (nesdev->netdev_count > 0) {
|
|
|
|
nesdev->netdev_count--;
|
|
|
|
nesdev->nesadapter->netdev_count--;
|
|
|
|
|
|
|
|
unregister_netdev(nesdev->netdev[nesdev->netdev_count]);
|
|
|
|
nes_netdev_destroy(nesdev->netdev[nesdev->netdev_count]);
|
|
|
|
}
|
|
|
|
|
|
|
|
nes_debug(NES_DBG_INIT, "netdev_count=%d, nesadapter->netdev_count=%d\n",
|
|
|
|
nesdev->netdev_count, nesdev->nesadapter->netdev_count);
|
|
|
|
|
|
|
|
nes_notifiers_registered--;
|
|
|
|
if (nes_notifiers_registered == 0) {
|
|
|
|
unregister_netevent_notifier(&nes_net_notifier);
|
|
|
|
unregister_inetaddr_notifier(&nes_inetaddr_notifier);
|
|
|
|
}
|
|
|
|
|
|
|
|
list_del(&nesdev->list);
|
|
|
|
nes_destroy_cqp(nesdev);
|
|
|
|
|
|
|
|
bail65:
|
|
|
|
printk(KERN_ERR PFX "bail65\n");
|
|
|
|
free_irq(pcidev->irq, nesdev);
|
|
|
|
if (nesdev->msi_enabled) {
|
|
|
|
pci_disable_msi(pcidev);
|
|
|
|
}
|
|
|
|
bail6:
|
|
|
|
printk(KERN_ERR PFX "bail6\n");
|
|
|
|
tasklet_kill(&nesdev->dpc_tasklet);
|
|
|
|
/* Deallocate the Adapter Structure */
|
|
|
|
nes_destroy_adapter(nesdev->nesadapter);
|
|
|
|
|
|
|
|
bail5:
|
|
|
|
printk(KERN_ERR PFX "bail5\n");
|
|
|
|
iounmap(nesdev->regs);
|
|
|
|
|
|
|
|
bail3:
|
|
|
|
printk(KERN_ERR PFX "bail3\n");
|
|
|
|
kfree(nesdev);
|
|
|
|
|
|
|
|
bail2:
|
|
|
|
pci_release_regions(pcidev);
|
|
|
|
|
|
|
|
bail1:
|
|
|
|
pci_disable_device(pcidev);
|
|
|
|
|
|
|
|
bail0:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* nes_remove - unload from kernel
|
|
|
|
*/
|
|
|
|
static void __devexit nes_remove(struct pci_dev *pcidev)
|
|
|
|
{
|
|
|
|
struct nes_device *nesdev = pci_get_drvdata(pcidev);
|
|
|
|
struct net_device *netdev;
|
|
|
|
int netdev_index = 0;
|
|
|
|
|
|
|
|
if (nesdev->netdev_count) {
|
|
|
|
netdev = nesdev->netdev[netdev_index];
|
|
|
|
if (netdev) {
|
|
|
|
netif_stop_queue(netdev);
|
|
|
|
unregister_netdev(netdev);
|
|
|
|
nes_netdev_destroy(netdev);
|
|
|
|
|
|
|
|
nesdev->netdev[netdev_index] = NULL;
|
|
|
|
nesdev->netdev_count--;
|
|
|
|
nesdev->nesadapter->netdev_count--;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
nes_notifiers_registered--;
|
|
|
|
if (nes_notifiers_registered == 0) {
|
|
|
|
unregister_netevent_notifier(&nes_net_notifier);
|
|
|
|
unregister_inetaddr_notifier(&nes_inetaddr_notifier);
|
|
|
|
}
|
|
|
|
|
|
|
|
list_del(&nesdev->list);
|
|
|
|
nes_destroy_cqp(nesdev);
|
2008-04-17 04:09:34 +00:00
|
|
|
|
|
|
|
free_irq(pcidev->irq, nesdev);
|
2008-02-05 04:20:45 +00:00
|
|
|
tasklet_kill(&nesdev->dpc_tasklet);
|
|
|
|
|
|
|
|
/* Deallocate the Adapter Structure */
|
|
|
|
nes_destroy_adapter(nesdev->nesadapter);
|
|
|
|
|
|
|
|
if (nesdev->msi_enabled) {
|
|
|
|
pci_disable_msi(pcidev);
|
|
|
|
}
|
|
|
|
|
|
|
|
iounmap(nesdev->regs);
|
|
|
|
kfree(nesdev);
|
|
|
|
|
|
|
|
/* nes_debug(NES_DBG_SHUTDOWN, "calling pci_release_regions.\n"); */
|
|
|
|
pci_release_regions(pcidev);
|
|
|
|
pci_disable_device(pcidev);
|
|
|
|
pci_set_drvdata(pcidev, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static struct pci_driver nes_pci_driver = {
|
|
|
|
.name = DRV_NAME,
|
|
|
|
.id_table = nes_pci_table,
|
|
|
|
.probe = nes_probe,
|
|
|
|
.remove = __devexit_p(nes_remove),
|
|
|
|
};
|
|
|
|
|
|
|
|
static ssize_t nes_show_adapter(struct device_driver *ddp, char *buf)
|
|
|
|
{
|
|
|
|
unsigned int devfn = 0xffffffff;
|
|
|
|
unsigned char bus_number = 0xff;
|
|
|
|
unsigned int i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
2008-09-30 21:49:44 +00:00
|
|
|
devfn = nesdev->pcidev->devfn;
|
|
|
|
bus_number = nesdev->pcidev->bus->number;
|
2008-02-05 04:20:45 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
|
2008-09-30 21:49:44 +00:00
|
|
|
return snprintf(buf, PAGE_SIZE, "%x:%x\n", bus_number, devfn);
|
2008-02-05 04:20:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_store_adapter(struct device_driver *ddp,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
char *p = (char *)buf;
|
|
|
|
|
|
|
|
ee_flsh_adapter = simple_strtoul(p, &p, 10);
|
|
|
|
return strnlen(buf, count);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_show_ee_cmd(struct device_driver *ddp, char *buf)
|
|
|
|
{
|
|
|
|
u32 eeprom_cmd = 0xdead;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
eeprom_cmd = nes_read32(nesdev->regs + NES_EEPROM_COMMAND);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
return snprintf(buf, PAGE_SIZE, "0x%x\n", eeprom_cmd);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_store_ee_cmd(struct device_driver *ddp,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
char *p = (char *)buf;
|
|
|
|
u32 val;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
|
|
|
|
val = simple_strtoul(p, &p, 16);
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
nes_write32(nesdev->regs + NES_EEPROM_COMMAND, val);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return strnlen(buf, count);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_show_ee_data(struct device_driver *ddp, char *buf)
|
|
|
|
{
|
|
|
|
u32 eeprom_data = 0xdead;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
eeprom_data = nes_read32(nesdev->regs + NES_EEPROM_DATA);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
|
|
|
|
return snprintf(buf, PAGE_SIZE, "0x%x\n", eeprom_data);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_store_ee_data(struct device_driver *ddp,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
char *p = (char *)buf;
|
|
|
|
u32 val;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
|
|
|
|
val = simple_strtoul(p, &p, 16);
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
nes_write32(nesdev->regs + NES_EEPROM_DATA, val);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return strnlen(buf, count);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_show_flash_cmd(struct device_driver *ddp, char *buf)
|
|
|
|
{
|
|
|
|
u32 flash_cmd = 0xdead;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
flash_cmd = nes_read32(nesdev->regs + NES_FLASH_COMMAND);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
|
|
|
|
return snprintf(buf, PAGE_SIZE, "0x%x\n", flash_cmd);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_store_flash_cmd(struct device_driver *ddp,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
char *p = (char *)buf;
|
|
|
|
u32 val;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
|
|
|
|
val = simple_strtoul(p, &p, 16);
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
nes_write32(nesdev->regs + NES_FLASH_COMMAND, val);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return strnlen(buf, count);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_show_flash_data(struct device_driver *ddp, char *buf)
|
|
|
|
{
|
|
|
|
u32 flash_data = 0xdead;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
flash_data = nes_read32(nesdev->regs + NES_FLASH_DATA);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
|
|
|
|
return snprintf(buf, PAGE_SIZE, "0x%x\n", flash_data);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_store_flash_data(struct device_driver *ddp,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
char *p = (char *)buf;
|
|
|
|
u32 val;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
|
|
|
|
val = simple_strtoul(p, &p, 16);
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
nes_write32(nesdev->regs + NES_FLASH_DATA, val);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return strnlen(buf, count);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_show_nonidx_addr(struct device_driver *ddp, char *buf)
|
|
|
|
{
|
|
|
|
return snprintf(buf, PAGE_SIZE, "0x%x\n", sysfs_nonidx_addr);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_store_nonidx_addr(struct device_driver *ddp,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
char *p = (char *)buf;
|
|
|
|
|
|
|
|
if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X')
|
|
|
|
sysfs_nonidx_addr = simple_strtoul(p, &p, 16);
|
|
|
|
|
|
|
|
return strnlen(buf, count);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_show_nonidx_data(struct device_driver *ddp, char *buf)
|
|
|
|
{
|
|
|
|
u32 nonidx_data = 0xdead;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
nonidx_data = nes_read32(nesdev->regs + sysfs_nonidx_addr);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
|
|
|
|
return snprintf(buf, PAGE_SIZE, "0x%x\n", nonidx_data);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_store_nonidx_data(struct device_driver *ddp,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
char *p = (char *)buf;
|
|
|
|
u32 val;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
|
|
|
|
val = simple_strtoul(p, &p, 16);
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
nes_write32(nesdev->regs + sysfs_nonidx_addr, val);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return strnlen(buf, count);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_show_idx_addr(struct device_driver *ddp, char *buf)
|
|
|
|
{
|
|
|
|
return snprintf(buf, PAGE_SIZE, "0x%x\n", sysfs_idx_addr);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_store_idx_addr(struct device_driver *ddp,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
char *p = (char *)buf;
|
|
|
|
|
|
|
|
if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X')
|
|
|
|
sysfs_idx_addr = simple_strtoul(p, &p, 16);
|
|
|
|
|
|
|
|
return strnlen(buf, count);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_show_idx_data(struct device_driver *ddp, char *buf)
|
|
|
|
{
|
|
|
|
u32 idx_data = 0xdead;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
idx_data = nes_read_indexed(nesdev, sysfs_idx_addr);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
|
|
|
|
return snprintf(buf, PAGE_SIZE, "0x%x\n", idx_data);
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t nes_store_idx_data(struct device_driver *ddp,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
char *p = (char *)buf;
|
|
|
|
u32 val;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
|
|
|
|
val = simple_strtoul(p, &p, 16);
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
nes_write_indexed(nesdev, sysfs_idx_addr, val);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return strnlen(buf, count);
|
|
|
|
}
|
|
|
|
|
2008-09-26 20:08:10 +00:00
|
|
|
|
|
|
|
/**
|
|
|
|
* nes_show_wqm_quanta
|
|
|
|
*/
|
|
|
|
static ssize_t nes_show_wqm_quanta(struct device_driver *ddp, char *buf)
|
|
|
|
{
|
|
|
|
u32 wqm_quanta_value = 0xdead;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
wqm_quanta_value = nesdev->nesadapter->wqm_quanta;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
|
|
|
|
return snprintf(buf, PAGE_SIZE, "0x%X\n", wqm_quanta);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* nes_store_wqm_quanta
|
|
|
|
*/
|
|
|
|
static ssize_t nes_store_wqm_quanta(struct device_driver *ddp,
|
|
|
|
const char *buf, size_t count)
|
|
|
|
{
|
|
|
|
unsigned long wqm_quanta_value;
|
|
|
|
u32 wqm_config1;
|
|
|
|
u32 i = 0;
|
|
|
|
struct nes_device *nesdev;
|
|
|
|
|
|
|
|
strict_strtoul(buf, 0, &wqm_quanta_value);
|
|
|
|
list_for_each_entry(nesdev, &nes_dev_list, list) {
|
|
|
|
if (i == ee_flsh_adapter) {
|
|
|
|
nesdev->nesadapter->wqm_quanta = wqm_quanta_value;
|
|
|
|
wqm_config1 = nes_read_indexed(nesdev,
|
|
|
|
NES_IDX_WQM_CONFIG1);
|
|
|
|
nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG1,
|
|
|
|
((wqm_quanta_value << 1) |
|
|
|
|
(wqm_config1 & 0x00000001)));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
return strnlen(buf, count);
|
|
|
|
}
|
|
|
|
|
2008-02-05 04:20:45 +00:00
|
|
|
static DRIVER_ATTR(adapter, S_IRUSR | S_IWUSR,
|
|
|
|
nes_show_adapter, nes_store_adapter);
|
|
|
|
static DRIVER_ATTR(eeprom_cmd, S_IRUSR | S_IWUSR,
|
|
|
|
nes_show_ee_cmd, nes_store_ee_cmd);
|
|
|
|
static DRIVER_ATTR(eeprom_data, S_IRUSR | S_IWUSR,
|
|
|
|
nes_show_ee_data, nes_store_ee_data);
|
|
|
|
static DRIVER_ATTR(flash_cmd, S_IRUSR | S_IWUSR,
|
|
|
|
nes_show_flash_cmd, nes_store_flash_cmd);
|
|
|
|
static DRIVER_ATTR(flash_data, S_IRUSR | S_IWUSR,
|
|
|
|
nes_show_flash_data, nes_store_flash_data);
|
|
|
|
static DRIVER_ATTR(nonidx_addr, S_IRUSR | S_IWUSR,
|
|
|
|
nes_show_nonidx_addr, nes_store_nonidx_addr);
|
|
|
|
static DRIVER_ATTR(nonidx_data, S_IRUSR | S_IWUSR,
|
|
|
|
nes_show_nonidx_data, nes_store_nonidx_data);
|
|
|
|
static DRIVER_ATTR(idx_addr, S_IRUSR | S_IWUSR,
|
|
|
|
nes_show_idx_addr, nes_store_idx_addr);
|
|
|
|
static DRIVER_ATTR(idx_data, S_IRUSR | S_IWUSR,
|
|
|
|
nes_show_idx_data, nes_store_idx_data);
|
2008-09-26 20:08:10 +00:00
|
|
|
static DRIVER_ATTR(wqm_quanta, S_IRUSR | S_IWUSR,
|
|
|
|
nes_show_wqm_quanta, nes_store_wqm_quanta);
|
2008-02-05 04:20:45 +00:00
|
|
|
|
|
|
|
static int nes_create_driver_sysfs(struct pci_driver *drv)
|
|
|
|
{
|
|
|
|
int error;
|
|
|
|
error = driver_create_file(&drv->driver, &driver_attr_adapter);
|
|
|
|
error |= driver_create_file(&drv->driver, &driver_attr_eeprom_cmd);
|
|
|
|
error |= driver_create_file(&drv->driver, &driver_attr_eeprom_data);
|
|
|
|
error |= driver_create_file(&drv->driver, &driver_attr_flash_cmd);
|
|
|
|
error |= driver_create_file(&drv->driver, &driver_attr_flash_data);
|
|
|
|
error |= driver_create_file(&drv->driver, &driver_attr_nonidx_addr);
|
|
|
|
error |= driver_create_file(&drv->driver, &driver_attr_nonidx_data);
|
|
|
|
error |= driver_create_file(&drv->driver, &driver_attr_idx_addr);
|
|
|
|
error |= driver_create_file(&drv->driver, &driver_attr_idx_data);
|
2008-09-26 20:08:10 +00:00
|
|
|
error |= driver_create_file(&drv->driver, &driver_attr_wqm_quanta);
|
2008-02-05 04:20:45 +00:00
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void nes_remove_driver_sysfs(struct pci_driver *drv)
|
|
|
|
{
|
|
|
|
driver_remove_file(&drv->driver, &driver_attr_adapter);
|
|
|
|
driver_remove_file(&drv->driver, &driver_attr_eeprom_cmd);
|
|
|
|
driver_remove_file(&drv->driver, &driver_attr_eeprom_data);
|
|
|
|
driver_remove_file(&drv->driver, &driver_attr_flash_cmd);
|
|
|
|
driver_remove_file(&drv->driver, &driver_attr_flash_data);
|
|
|
|
driver_remove_file(&drv->driver, &driver_attr_nonidx_addr);
|
|
|
|
driver_remove_file(&drv->driver, &driver_attr_nonidx_data);
|
|
|
|
driver_remove_file(&drv->driver, &driver_attr_idx_addr);
|
|
|
|
driver_remove_file(&drv->driver, &driver_attr_idx_data);
|
2008-09-26 20:08:10 +00:00
|
|
|
driver_remove_file(&drv->driver, &driver_attr_wqm_quanta);
|
2008-02-05 04:20:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* nes_init_module - module initialization entry point
|
|
|
|
*/
|
|
|
|
static int __init nes_init_module(void)
|
|
|
|
{
|
|
|
|
int retval;
|
|
|
|
int retval1;
|
|
|
|
|
|
|
|
retval = nes_cm_start();
|
|
|
|
if (retval) {
|
|
|
|
printk(KERN_ERR PFX "Unable to start NetEffect iWARP CM.\n");
|
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
retval = pci_register_driver(&nes_pci_driver);
|
|
|
|
if (retval >= 0) {
|
|
|
|
retval1 = nes_create_driver_sysfs(&nes_pci_driver);
|
|
|
|
if (retval1 < 0)
|
|
|
|
printk(KERN_ERR PFX "Unable to create NetEffect sys files.\n");
|
|
|
|
}
|
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* nes_exit_module - module unload entry point
|
|
|
|
*/
|
|
|
|
static void __exit nes_exit_module(void)
|
|
|
|
{
|
|
|
|
nes_cm_stop();
|
|
|
|
nes_remove_driver_sysfs(&nes_pci_driver);
|
|
|
|
|
|
|
|
pci_unregister_driver(&nes_pci_driver);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
module_init(nes_init_module);
|
|
|
|
module_exit(nes_exit_module);
|