include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[linux-2.6.git] / drivers / infiniband / hw / nes / nes.c
1 /*
2  * Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
3  * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
4  *
5  * This software is available to you under a choice of one of two
6  * licenses.  You may choose to be licensed under the terms of the GNU
7  * General Public License (GPL) Version 2, available from the file
8  * COPYING in the main directory of this source tree, or the
9  * OpenIB.org BSD license below:
10  *
11  *     Redistribution and use in source and binary forms, with or
12  *     without modification, are permitted provided that the following
13  *     conditions are met:
14  *
15  *      - Redistributions of source code must retain the above
16  *        copyright notice, this list of conditions and the following
17  *        disclaimer.
18  *
19  *      - Redistributions in binary form must reproduce the above
20  *        copyright notice, this list of conditions and the following
21  *        disclaimer in the documentation and/or other materials
22  *        provided with the distribution.
23  *
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31  * SOFTWARE.
32  */
33
34 #include <linux/module.h>
35 #include <linux/moduleparam.h>
36 #include <linux/netdevice.h>
37 #include <linux/etherdevice.h>
38 #include <linux/ethtool.h>
39 #include <linux/mii.h>
40 #include <linux/if_vlan.h>
41 #include <linux/crc32.h>
42 #include <linux/in.h>
43 #include <linux/fs.h>
44 #include <linux/init.h>
45 #include <linux/if_arp.h>
46 #include <linux/highmem.h>
47 #include <linux/slab.h>
48 #include <asm/io.h>
49 #include <asm/irq.h>
50 #include <asm/byteorder.h>
51 #include <rdma/ib_smi.h>
52 #include <rdma/ib_verbs.h>
53 #include <rdma/ib_pack.h>
54 #include <rdma/iw_cm.h>
55
56 #include "nes.h"
57
58 #include <net/netevent.h>
59 #include <net/neighbour.h>
60 #include <linux/route.h>
61 #include <net/ip_fib.h>
62
63 MODULE_AUTHOR("NetEffect");
64 MODULE_DESCRIPTION("NetEffect RNIC Low-level iWARP Driver");
65 MODULE_LICENSE("Dual BSD/GPL");
66 MODULE_VERSION(DRV_VERSION);
67
68 int max_mtu = 9000;
69 int interrupt_mod_interval = 0;
70
71
72 /* Interoperability */
73 int mpa_version = 1;
74 module_param(mpa_version, int, 0644);
75 MODULE_PARM_DESC(mpa_version, "MPA version to be used int MPA Req/Resp (0 or 1)");
76
77 /* Interoperability */
78 int disable_mpa_crc = 0;
79 module_param(disable_mpa_crc, int, 0644);
80 MODULE_PARM_DESC(disable_mpa_crc, "Disable checking of MPA CRC");
81
82 unsigned int send_first = 0;
83 module_param(send_first, int, 0644);
84 MODULE_PARM_DESC(send_first, "Send RDMA Message First on Active Connection");
85
86
87 unsigned int nes_drv_opt = 0;
88 module_param(nes_drv_opt, int, 0644);
89 MODULE_PARM_DESC(nes_drv_opt, "Driver option parameters");
90
91 unsigned int nes_debug_level = 0;
92 module_param_named(debug_level, nes_debug_level, uint, 0644);
93 MODULE_PARM_DESC(debug_level, "Enable debug output level");
94
95 unsigned int wqm_quanta = 0x10000;
96 module_param(wqm_quanta, int, 0644);
97 MODULE_PARM_DESC(wqm_quanta, "WQM quanta");
98
99 static unsigned int limit_maxrdreqsz;
100 module_param(limit_maxrdreqsz, bool, 0644);
101 MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes");
102
103 LIST_HEAD(nes_adapter_list);
104 static LIST_HEAD(nes_dev_list);
105
106 atomic_t qps_destroyed;
107
108 static unsigned int ee_flsh_adapter;
109 static unsigned int sysfs_nonidx_addr;
110 static unsigned int sysfs_idx_addr;
111
112 static struct pci_device_id nes_pci_table[] = {
113         {PCI_VENDOR_ID_NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020, PCI_ANY_ID, PCI_ANY_ID},
114         {PCI_VENDOR_ID_NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020_KR, PCI_ANY_ID, PCI_ANY_ID},
115         {0}
116 };
117
118 MODULE_DEVICE_TABLE(pci, nes_pci_table);
119
120 static int nes_inetaddr_event(struct notifier_block *, unsigned long, void *);
121 static int nes_net_event(struct notifier_block *, unsigned long, void *);
122 static int nes_notifiers_registered;
123
124
125 static struct notifier_block nes_inetaddr_notifier = {
126         .notifier_call = nes_inetaddr_event
127 };
128
129 static struct notifier_block nes_net_notifier = {
130         .notifier_call = nes_net_event
131 };
132
133
134
135
136 /**
137  * nes_inetaddr_event
138  */
139 static int nes_inetaddr_event(struct notifier_block *notifier,
140                 unsigned long event, void *ptr)
141 {
142         struct in_ifaddr *ifa = ptr;
143         struct net_device *event_netdev = ifa->ifa_dev->dev;
144         struct nes_device *nesdev;
145         struct net_device *netdev;
146         struct nes_vnic *nesvnic;
147
148         nes_debug(NES_DBG_NETDEV, "nes_inetaddr_event: ip address %pI4, netmask %pI4.\n",
149                   &ifa->ifa_address, &ifa->ifa_mask);
150         list_for_each_entry(nesdev, &nes_dev_list, list) {
151                 nes_debug(NES_DBG_NETDEV, "Nesdev list entry = 0x%p. (%s)\n",
152                                 nesdev, nesdev->netdev[0]->name);
153                 netdev = nesdev->netdev[0];
154                 nesvnic = netdev_priv(netdev);
155                 if (netdev == event_netdev) {
156                         if (nesvnic->rdma_enabled == 0) {
157                                 nes_debug(NES_DBG_NETDEV, "Returning without processing event for %s since"
158                                                 " RDMA is not enabled.\n",
159                                                 netdev->name);
160                                 return NOTIFY_OK;
161                         }
162                         /* we have ifa->ifa_address/mask here if we need it */
163                         switch (event) {
164                                 case NETDEV_DOWN:
165                                         nes_debug(NES_DBG_NETDEV, "event:DOWN\n");
166                                         nes_write_indexed(nesdev,
167                                                         NES_IDX_DST_IP_ADDR+(0x10*PCI_FUNC(nesdev->pcidev->devfn)), 0);
168
169                                         nes_manage_arp_cache(netdev, netdev->dev_addr,
170                                                         ntohl(nesvnic->local_ipaddr), NES_ARP_DELETE);
171                                         nesvnic->local_ipaddr = 0;
172                                         return NOTIFY_OK;
173                                         break;
174                                 case NETDEV_UP:
175                                         nes_debug(NES_DBG_NETDEV, "event:UP\n");
176
177                                         if (nesvnic->local_ipaddr != 0) {
178                                                 nes_debug(NES_DBG_NETDEV, "Interface already has local_ipaddr\n");
179                                                 return NOTIFY_OK;
180                                         }
181                                         /* Add the address to the IP table */
182                                         nesvnic->local_ipaddr = ifa->ifa_address;
183
184                                         nes_write_indexed(nesdev,
185                                                         NES_IDX_DST_IP_ADDR+(0x10*PCI_FUNC(nesdev->pcidev->devfn)),
186                                                         ntohl(ifa->ifa_address));
187                                         nes_manage_arp_cache(netdev, netdev->dev_addr,
188                                                         ntohl(nesvnic->local_ipaddr), NES_ARP_ADD);
189                                         return NOTIFY_OK;
190                                         break;
191                                 default:
192                                         break;
193                         }
194                 }
195         }
196
197         return NOTIFY_DONE;
198 }
199
200
201 /**
202  * nes_net_event
203  */
204 static int nes_net_event(struct notifier_block *notifier,
205                 unsigned long event, void *ptr)
206 {
207         struct neighbour *neigh = ptr;
208         struct nes_device *nesdev;
209         struct net_device *netdev;
210         struct nes_vnic *nesvnic;
211
212         switch (event) {
213                 case NETEVENT_NEIGH_UPDATE:
214                         list_for_each_entry(nesdev, &nes_dev_list, list) {
215                                 /* nes_debug(NES_DBG_NETDEV, "Nesdev list entry = 0x%p.\n", nesdev); */
216                                 netdev = nesdev->netdev[0];
217                                 nesvnic = netdev_priv(netdev);
218                                 if (netdev == neigh->dev) {
219                                         if (nesvnic->rdma_enabled == 0) {
220                                                 nes_debug(NES_DBG_NETDEV, "Skipping device %s since no RDMA\n",
221                                                                 netdev->name);
222                                         } else {
223                                                 if (neigh->nud_state & NUD_VALID) {
224                                                         nes_manage_arp_cache(neigh->dev, neigh->ha,
225                                                                         ntohl(*(__be32 *)neigh->primary_key), NES_ARP_ADD);
226                                                 } else {
227                                                         nes_manage_arp_cache(neigh->dev, neigh->ha,
228                                                                         ntohl(*(__be32 *)neigh->primary_key), NES_ARP_DELETE);
229                                                 }
230                                         }
231                                         return NOTIFY_OK;
232                                 }
233                         }
234                         break;
235                 default:
236                         nes_debug(NES_DBG_NETDEV, "NETEVENT_ %lu undefined\n", event);
237                         break;
238         }
239
240         return NOTIFY_DONE;
241 }
242
243
244 /**
245  * nes_add_ref
246  */
247 void nes_add_ref(struct ib_qp *ibqp)
248 {
249         struct nes_qp *nesqp;
250
251         nesqp = to_nesqp(ibqp);
252         nes_debug(NES_DBG_QP, "Bumping refcount for QP%u.  Pre-inc value = %u\n",
253                         ibqp->qp_num, atomic_read(&nesqp->refcount));
254         atomic_inc(&nesqp->refcount);
255 }
256
257 static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_request *cqp_request)
258 {
259         unsigned long flags;
260         struct nes_qp *nesqp = cqp_request->cqp_callback_pointer;
261         struct nes_adapter *nesadapter = nesdev->nesadapter;
262         u32 qp_id;
263
264         atomic_inc(&qps_destroyed);
265
266         /* Free the control structures */
267
268         qp_id = nesqp->hwqp.qp_id;
269         if (nesqp->pbl_vbase) {
270                 pci_free_consistent(nesdev->pcidev, nesqp->qp_mem_size,
271                                 nesqp->hwqp.q2_vbase, nesqp->hwqp.q2_pbase);
272                 spin_lock_irqsave(&nesadapter->pbl_lock, flags);
273                 nesadapter->free_256pbl++;
274                 spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
275                 pci_free_consistent(nesdev->pcidev, 256, nesqp->pbl_vbase, nesqp->pbl_pbase);
276                 nesqp->pbl_vbase = NULL;
277
278         } else {
279                 pci_free_consistent(nesdev->pcidev, nesqp->qp_mem_size,
280                                 nesqp->hwqp.sq_vbase, nesqp->hwqp.sq_pbase);
281         }
282         nes_free_resource(nesadapter, nesadapter->allocated_qps, nesqp->hwqp.qp_id);
283
284         nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = NULL;
285         kfree(nesqp->allocated_buffer);
286
287 }
288
289 /**
290  * nes_rem_ref
291  */
292 void nes_rem_ref(struct ib_qp *ibqp)
293 {
294         u64 u64temp;
295         struct nes_qp *nesqp;
296         struct nes_vnic *nesvnic = to_nesvnic(ibqp->device);
297         struct nes_device *nesdev = nesvnic->nesdev;
298         struct nes_hw_cqp_wqe *cqp_wqe;
299         struct nes_cqp_request *cqp_request;
300         u32 opcode;
301
302         nesqp = to_nesqp(ibqp);
303
304         if (atomic_read(&nesqp->refcount) == 0) {
305                 printk(KERN_INFO PFX "%s: Reference count already 0 for QP%d, last aeq = 0x%04X.\n",
306                                 __func__, ibqp->qp_num, nesqp->last_aeq);
307                 BUG();
308         }
309
310         if (atomic_dec_and_test(&nesqp->refcount)) {
311                 /* Destroy the QP */
312                 cqp_request = nes_get_cqp_request(nesdev);
313                 if (cqp_request == NULL) {
314                         nes_debug(NES_DBG_QP, "Failed to get a cqp_request.\n");
315                         return;
316                 }
317                 cqp_request->waiting = 0;
318                 cqp_request->callback = 1;
319                 cqp_request->cqp_callback = nes_cqp_rem_ref_callback;
320                 cqp_request->cqp_callback_pointer = nesqp;
321                 cqp_wqe = &cqp_request->cqp_wqe;
322
323                 nes_fill_init_cqp_wqe(cqp_wqe, nesdev);
324                 opcode = NES_CQP_DESTROY_QP | NES_CQP_QP_TYPE_IWARP;
325
326                 if (nesqp->hte_added) {
327                         opcode  |= NES_CQP_QP_DEL_HTE;
328                         nesqp->hte_added = 0;
329                 }
330                 set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_OPCODE_IDX, opcode);
331                 set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_ID_IDX, nesqp->hwqp.qp_id);
332                 u64temp = (u64)nesqp->nesqp_context_pbase;
333                 set_wqe_64bit_value(cqp_wqe->wqe_words, NES_CQP_QP_WQE_CONTEXT_LOW_IDX, u64temp);
334                 nes_post_cqp_request(nesdev, cqp_request);
335         }
336 }
337
338
339 /**
340  * nes_get_qp
341  */
342 struct ib_qp *nes_get_qp(struct ib_device *device, int qpn)
343 {
344         struct nes_vnic *nesvnic = to_nesvnic(device);
345         struct nes_device *nesdev = nesvnic->nesdev;
346         struct nes_adapter *nesadapter = nesdev->nesadapter;
347
348         if ((qpn < NES_FIRST_QPN) || (qpn >= (NES_FIRST_QPN + nesadapter->max_qp)))
349                 return NULL;
350
351         return &nesadapter->qp_table[qpn - NES_FIRST_QPN]->ibqp;
352 }
353
354
355 /**
356  * nes_print_macaddr
357  */
358 static void nes_print_macaddr(struct net_device *netdev)
359 {
360         nes_debug(NES_DBG_INIT, "%s: %pM, IRQ %u\n",
361                   netdev->name, netdev->dev_addr, netdev->irq);
362 }
363
364 /**
365  * nes_interrupt - handle interrupts
366  */
367 static irqreturn_t nes_interrupt(int irq, void *dev_id)
368 {
369         struct nes_device *nesdev = (struct nes_device *)dev_id;
370         int handled = 0;
371         u32 int_mask;
372         u32 int_req;
373         u32 int_stat;
374         u32 intf_int_stat;
375         u32 timer_stat;
376
377         if (nesdev->msi_enabled) {
378                 /* No need to read the interrupt pending register if msi is enabled */
379                 handled = 1;
380         } else {
381                 if (unlikely(nesdev->nesadapter->hw_rev == NE020_REV)) {
382                         /* Master interrupt enable provides synchronization for kicking off bottom half
383                           when interrupt sharing is going on */
384                         int_mask = nes_read32(nesdev->regs + NES_INT_MASK);
385                         if (int_mask & 0x80000000) {
386                                 /* Check interrupt status to see if this might be ours */
387                                 int_stat = nes_read32(nesdev->regs + NES_INT_STAT);
388                                 int_req = nesdev->int_req;
389                                 if (int_stat&int_req) {
390                                         /* if interesting CEQ or AEQ is pending, claim the interrupt */
391                                         if ((int_stat&int_req) & (~(NES_INT_TIMER|NES_INT_INTF))) {
392                                                 handled = 1;
393                                         } else {
394                                                 if (((int_stat & int_req) & NES_INT_TIMER) == NES_INT_TIMER) {
395                                                         /* Timer might be running but might be for another function */
396                                                         timer_stat = nes_read32(nesdev->regs + NES_TIMER_STAT);
397                                                         if ((timer_stat & nesdev->timer_int_req) != 0) {
398                                                                 handled = 1;
399                                                         }
400                                                 }
401                                                 if ((((int_stat & int_req) & NES_INT_INTF) == NES_INT_INTF) &&
402                                                                 (handled == 0)) {
403                                                         intf_int_stat = nes_read32(nesdev->regs+NES_INTF_INT_STAT);
404                                                         if ((intf_int_stat & nesdev->intf_int_req) != 0) {
405                                                                 handled = 1;
406                                                         }
407                                                 }
408                                         }
409                                         if (handled) {
410                                                 nes_write32(nesdev->regs+NES_INT_MASK, int_mask & (~0x80000000));
411                                                 int_mask = nes_read32(nesdev->regs+NES_INT_MASK);
412                                                 /* Save off the status to save an additional read */
413                                                 nesdev->int_stat = int_stat;
414                                                 nesdev->napi_isr_ran = 1;
415                                         }
416                                 }
417                         }
418                 } else {
419                         handled = nes_read32(nesdev->regs+NES_INT_PENDING);
420                 }
421         }
422
423         if (handled) {
424
425                 if (nes_napi_isr(nesdev) == 0) {
426                         tasklet_schedule(&nesdev->dpc_tasklet);
427
428                 }
429                 return IRQ_HANDLED;
430         } else {
431                 return IRQ_NONE;
432         }
433 }
434
435
436 /**
437  * nes_probe - Device initialization
438  */
439 static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
440 {
441         struct net_device *netdev = NULL;
442         struct nes_device *nesdev = NULL;
443         int ret = 0;
444         struct nes_vnic *nesvnic = NULL;
445         void __iomem *mmio_regs = NULL;
446         u8 hw_rev;
447
448         assert(pcidev != NULL);
449         assert(ent != NULL);
450
451         printk(KERN_INFO PFX "NetEffect RNIC driver v%s loading. (%s)\n",
452                         DRV_VERSION, pci_name(pcidev));
453
454         ret = pci_enable_device(pcidev);
455         if (ret) {
456                 printk(KERN_ERR PFX "Unable to enable PCI device. (%s)\n", pci_name(pcidev));
457                 goto bail0;
458         }
459
460         nes_debug(NES_DBG_INIT, "BAR0 (@0x%08lX) size = 0x%lX bytes\n",
461                         (long unsigned int)pci_resource_start(pcidev, BAR_0),
462                         (long unsigned int)pci_resource_len(pcidev, BAR_0));
463         nes_debug(NES_DBG_INIT, "BAR1 (@0x%08lX) size = 0x%lX bytes\n",
464                         (long unsigned int)pci_resource_start(pcidev, BAR_1),
465                         (long unsigned int)pci_resource_len(pcidev, BAR_1));
466
467         /* Make sure PCI base addr are MMIO */
468         if (!(pci_resource_flags(pcidev, BAR_0) & IORESOURCE_MEM) ||
469                         !(pci_resource_flags(pcidev, BAR_1) & IORESOURCE_MEM)) {
470                 printk(KERN_ERR PFX "PCI regions not an MMIO resource\n");
471                 ret = -ENODEV;
472                 goto bail1;
473         }
474
475         /* Reserve PCI I/O and memory resources */
476         ret = pci_request_regions(pcidev, DRV_NAME);
477         if (ret) {
478                 printk(KERN_ERR PFX "Unable to request regions. (%s)\n", pci_name(pcidev));
479                 goto bail1;
480         }
481
482         if ((sizeof(dma_addr_t) > 4)) {
483                 ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(64));
484                 if (ret < 0) {
485                         printk(KERN_ERR PFX "64b DMA mask configuration failed\n");
486                         goto bail2;
487                 }
488                 ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64));
489                 if (ret) {
490                         printk(KERN_ERR PFX "64b DMA consistent mask configuration failed\n");
491                         goto bail2;
492                 }
493         } else {
494                 ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
495                 if (ret < 0) {
496                         printk(KERN_ERR PFX "32b DMA mask configuration failed\n");
497                         goto bail2;
498                 }
499                 ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32));
500                 if (ret) {
501                         printk(KERN_ERR PFX "32b DMA consistent mask configuration failed\n");
502                         goto bail2;
503                 }
504         }
505
506         pci_set_master(pcidev);
507
508         /* Allocate hardware structure */
509         nesdev = kzalloc(sizeof(struct nes_device), GFP_KERNEL);
510         if (!nesdev) {
511                 printk(KERN_ERR PFX "%s: Unable to alloc hardware struct\n", pci_name(pcidev));
512                 ret = -ENOMEM;
513                 goto bail2;
514         }
515
516         nes_debug(NES_DBG_INIT, "Allocated nes device at %p\n", nesdev);
517         nesdev->pcidev = pcidev;
518         pci_set_drvdata(pcidev, nesdev);
519
520         pci_read_config_byte(pcidev, 0x0008, &hw_rev);
521         nes_debug(NES_DBG_INIT, "hw_rev=%u\n", hw_rev);
522
523         spin_lock_init(&nesdev->indexed_regs_lock);
524
525         /* Remap the PCI registers in adapter BAR0 to kernel VA space */
526         mmio_regs = ioremap_nocache(pci_resource_start(pcidev, BAR_0),
527                                     pci_resource_len(pcidev, BAR_0));
528         if (mmio_regs == NULL) {
529                 printk(KERN_ERR PFX "Unable to remap BAR0\n");
530                 ret = -EIO;
531                 goto bail3;
532         }
533         nesdev->regs = mmio_regs;
534         nesdev->index_reg = 0x50 + (PCI_FUNC(pcidev->devfn)*8) + mmio_regs;
535
536         /* Ensure interrupts are disabled */
537         nes_write32(nesdev->regs+NES_INT_MASK, 0x7fffffff);
538
539         if (nes_drv_opt & NES_DRV_OPT_ENABLE_MSI) {
540                 if (!pci_enable_msi(nesdev->pcidev)) {
541                         nesdev->msi_enabled = 1;
542                         nes_debug(NES_DBG_INIT, "MSI is enabled for device %s\n",
543                                         pci_name(pcidev));
544                 } else {
545                         nes_debug(NES_DBG_INIT, "MSI is disabled by linux for device %s\n",
546                                         pci_name(pcidev));
547                 }
548         } else {
549                 nes_debug(NES_DBG_INIT, "MSI not requested due to driver options for device %s\n",
550                                 pci_name(pcidev));
551         }
552
553         nesdev->csr_start = pci_resource_start(nesdev->pcidev, BAR_0);
554         nesdev->doorbell_region = pci_resource_start(nesdev->pcidev, BAR_1);
555
556         /* Init the adapter */
557         nesdev->nesadapter = nes_init_adapter(nesdev, hw_rev);
558         if (!nesdev->nesadapter) {
559                 printk(KERN_ERR PFX "Unable to initialize adapter.\n");
560                 ret = -ENOMEM;
561                 goto bail5;
562         }
563         nesdev->nesadapter->et_rx_coalesce_usecs_irq = interrupt_mod_interval;
564         nesdev->nesadapter->wqm_quanta = wqm_quanta;
565
566         /* nesdev->base_doorbell_index =
567                         nesdev->nesadapter->pd_config_base[PCI_FUNC(nesdev->pcidev->devfn)]; */
568         nesdev->base_doorbell_index = 1;
569         nesdev->doorbell_start = nesdev->nesadapter->doorbell_start;
570         if (nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) {
571                 switch (PCI_FUNC(nesdev->pcidev->devfn) %
572                         nesdev->nesadapter->port_count) {
573                 case 1:
574                         nesdev->mac_index = 2;
575                         break;
576                 case 2:
577                         nesdev->mac_index = 1;
578                         break;
579                 case 3:
580                         nesdev->mac_index = 3;
581                         break;
582                 case 0:
583                 default:
584                         nesdev->mac_index = 0;
585                 }
586         } else {
587                 nesdev->mac_index = PCI_FUNC(nesdev->pcidev->devfn) %
588                                                 nesdev->nesadapter->port_count;
589         }
590
591         if ((limit_maxrdreqsz ||
592              ((nesdev->nesadapter->phy_type[0] == NES_PHY_TYPE_GLADIUS) &&
593               (hw_rev == NE020_REV1))) &&
594             (pcie_get_readrq(pcidev) > 256)) {
595                 if (pcie_set_readrq(pcidev, 256))
596                         printk(KERN_ERR PFX "Unable to set max read request"
597                                 " to 256 bytes\n");
598                 else
599                         nes_debug(NES_DBG_INIT, "Max read request size set"
600                                 " to 256 bytes\n");
601         }
602
603         tasklet_init(&nesdev->dpc_tasklet, nes_dpc, (unsigned long)nesdev);
604
605         /* bring up the Control QP */
606         if (nes_init_cqp(nesdev)) {
607                 ret = -ENODEV;
608                 goto bail6;
609         }
610
611         /* Arm the CCQ */
612         nes_write32(nesdev->regs+NES_CQE_ALLOC, NES_CQE_ALLOC_NOTIFY_NEXT |
613                         PCI_FUNC(nesdev->pcidev->devfn));
614         nes_read32(nesdev->regs+NES_CQE_ALLOC);
615
616         /* Enable the interrupts */
617         nesdev->int_req = (0x101 << PCI_FUNC(nesdev->pcidev->devfn)) |
618                         (1 << (PCI_FUNC(nesdev->pcidev->devfn)+16));
619         if (PCI_FUNC(nesdev->pcidev->devfn) < 4) {
620                 nesdev->int_req |= (1 << (PCI_FUNC(nesdev->mac_index)+24));
621         }
622
623         /* TODO: This really should be the first driver to load, not function 0 */
624         if (PCI_FUNC(nesdev->pcidev->devfn) == 0) {
625                 /* pick up PCI and critical errors if the first driver to load */
626                 nesdev->intf_int_req = NES_INTF_INT_PCIERR | NES_INTF_INT_CRITERR;
627                 nesdev->int_req |= NES_INT_INTF;
628         } else {
629                 nesdev->intf_int_req = 0;
630         }
631         nesdev->intf_int_req |= (1 << (PCI_FUNC(nesdev->pcidev->devfn)+16));
632         nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS0, 0);
633         nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS1, 0);
634         nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS2, 0x00001265);
635         nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS4, 0x18021804);
636
637         nes_write_indexed(nesdev, NES_IDX_DEBUG_ERROR_MASKS3, 0x17801790);
638
639         /* deal with both periodic and one_shot */
640         nesdev->timer_int_req = 0x101 << PCI_FUNC(nesdev->pcidev->devfn);
641         nesdev->nesadapter->timer_int_req |= nesdev->timer_int_req;
642         nes_debug(NES_DBG_INIT, "setting int_req for function %u, nesdev = 0x%04X, adapter = 0x%04X\n",
643                         PCI_FUNC(nesdev->pcidev->devfn),
644                         nesdev->timer_int_req, nesdev->nesadapter->timer_int_req);
645
646         nes_write32(nesdev->regs+NES_INTF_INT_MASK, ~(nesdev->intf_int_req));
647
648         list_add_tail(&nesdev->list, &nes_dev_list);
649
650         /* Request an interrupt line for the driver */
651         ret = request_irq(pcidev->irq, nes_interrupt, IRQF_SHARED, DRV_NAME, nesdev);
652         if (ret) {
653                 printk(KERN_ERR PFX "%s: requested IRQ %u is busy\n",
654                                 pci_name(pcidev), pcidev->irq);
655                 goto bail65;
656         }
657
658         nes_write32(nesdev->regs+NES_INT_MASK, ~nesdev->int_req);
659
660         if (nes_notifiers_registered == 0) {
661                 register_inetaddr_notifier(&nes_inetaddr_notifier);
662                 register_netevent_notifier(&nes_net_notifier);
663         }
664         nes_notifiers_registered++;
665
666         /* Initialize network devices */
667                 if ((netdev = nes_netdev_init(nesdev, mmio_regs)) == NULL) {
668                         goto bail7;
669                 }
670
671                 /* Register network device */
672                 ret = register_netdev(netdev);
673                 if (ret) {
674                         printk(KERN_ERR PFX "Unable to register netdev, ret = %d\n", ret);
675                         nes_netdev_destroy(netdev);
676                         goto bail7;
677                 }
678
679                 nes_print_macaddr(netdev);
680                 /* create a CM core for this netdev */
681                 nesvnic = netdev_priv(netdev);
682
683                 nesdev->netdev_count++;
684                 nesdev->nesadapter->netdev_count++;
685
686
687         printk(KERN_ERR PFX "%s: NetEffect RNIC driver successfully loaded.\n",
688                         pci_name(pcidev));
689         return 0;
690
691         bail7:
692         printk(KERN_ERR PFX "bail7\n");
693         while (nesdev->netdev_count > 0) {
694                 nesdev->netdev_count--;
695                 nesdev->nesadapter->netdev_count--;
696
697                 unregister_netdev(nesdev->netdev[nesdev->netdev_count]);
698                 nes_netdev_destroy(nesdev->netdev[nesdev->netdev_count]);
699         }
700
701         nes_debug(NES_DBG_INIT, "netdev_count=%d, nesadapter->netdev_count=%d\n",
702                         nesdev->netdev_count, nesdev->nesadapter->netdev_count);
703
704         nes_notifiers_registered--;
705         if (nes_notifiers_registered == 0) {
706                 unregister_netevent_notifier(&nes_net_notifier);
707                 unregister_inetaddr_notifier(&nes_inetaddr_notifier);
708         }
709
710         list_del(&nesdev->list);
711         nes_destroy_cqp(nesdev);
712
713         bail65:
714         printk(KERN_ERR PFX "bail65\n");
715         free_irq(pcidev->irq, nesdev);
716         if (nesdev->msi_enabled) {
717                 pci_disable_msi(pcidev);
718         }
719         bail6:
720         printk(KERN_ERR PFX "bail6\n");
721         tasklet_kill(&nesdev->dpc_tasklet);
722         /* Deallocate the Adapter Structure */
723         nes_destroy_adapter(nesdev->nesadapter);
724
725         bail5:
726         printk(KERN_ERR PFX "bail5\n");
727         iounmap(nesdev->regs);
728
729         bail3:
730         printk(KERN_ERR PFX "bail3\n");
731         kfree(nesdev);
732
733         bail2:
734         pci_release_regions(pcidev);
735
736         bail1:
737         pci_disable_device(pcidev);
738
739         bail0:
740         return ret;
741 }
742
743
744 /**
745  * nes_remove - unload from kernel
746  */
747 static void __devexit nes_remove(struct pci_dev *pcidev)
748 {
749         struct nes_device *nesdev = pci_get_drvdata(pcidev);
750         struct net_device *netdev;
751         int netdev_index = 0;
752
753                 if (nesdev->netdev_count) {
754                         netdev = nesdev->netdev[netdev_index];
755                         if (netdev) {
756                                 netif_stop_queue(netdev);
757                                 unregister_netdev(netdev);
758                                 nes_netdev_destroy(netdev);
759
760                                 nesdev->netdev[netdev_index] = NULL;
761                                 nesdev->netdev_count--;
762                                 nesdev->nesadapter->netdev_count--;
763                         }
764                 }
765
766         nes_notifiers_registered--;
767         if (nes_notifiers_registered == 0) {
768                 unregister_netevent_notifier(&nes_net_notifier);
769                 unregister_inetaddr_notifier(&nes_inetaddr_notifier);
770         }
771
772         list_del(&nesdev->list);
773         nes_destroy_cqp(nesdev);
774
775         free_irq(pcidev->irq, nesdev);
776         tasklet_kill(&nesdev->dpc_tasklet);
777
778         /* Deallocate the Adapter Structure */
779         nes_destroy_adapter(nesdev->nesadapter);
780
781         if (nesdev->msi_enabled) {
782                 pci_disable_msi(pcidev);
783         }
784
785         iounmap(nesdev->regs);
786         kfree(nesdev);
787
788         /* nes_debug(NES_DBG_SHUTDOWN, "calling pci_release_regions.\n"); */
789         pci_release_regions(pcidev);
790         pci_disable_device(pcidev);
791         pci_set_drvdata(pcidev, NULL);
792 }
793
794
795 static struct pci_driver nes_pci_driver = {
796         .name = DRV_NAME,
797         .id_table = nes_pci_table,
798         .probe = nes_probe,
799         .remove = __devexit_p(nes_remove),
800 };
801
802 static ssize_t nes_show_adapter(struct device_driver *ddp, char *buf)
803 {
804         unsigned int  devfn = 0xffffffff;
805         unsigned char bus_number = 0xff;
806         unsigned int  i = 0;
807         struct nes_device *nesdev;
808
809         list_for_each_entry(nesdev, &nes_dev_list, list) {
810                 if (i == ee_flsh_adapter) {
811                         devfn = nesdev->pcidev->devfn;
812                         bus_number = nesdev->pcidev->bus->number;
813                         break;
814                 }
815                 i++;
816         }
817
818         return snprintf(buf, PAGE_SIZE, "%x:%x\n", bus_number, devfn);
819 }
820
821 static ssize_t nes_store_adapter(struct device_driver *ddp,
822         const char *buf, size_t count)
823 {
824         char *p = (char *)buf;
825
826         ee_flsh_adapter = simple_strtoul(p, &p, 10);
827         return strnlen(buf, count);
828 }
829
830 static ssize_t nes_show_ee_cmd(struct device_driver *ddp, char *buf)
831 {
832         u32 eeprom_cmd = 0xdead;
833         u32 i = 0;
834         struct nes_device *nesdev;
835
836         list_for_each_entry(nesdev, &nes_dev_list, list) {
837                 if (i == ee_flsh_adapter) {
838                         eeprom_cmd = nes_read32(nesdev->regs + NES_EEPROM_COMMAND);
839                         break;
840                 }
841                 i++;
842         }
843         return snprintf(buf, PAGE_SIZE, "0x%x\n", eeprom_cmd);
844 }
845
846 static ssize_t nes_store_ee_cmd(struct device_driver *ddp,
847         const char *buf, size_t count)
848 {
849         char *p = (char *)buf;
850         u32 val;
851         u32 i = 0;
852         struct nes_device *nesdev;
853
854         if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
855                 val = simple_strtoul(p, &p, 16);
856                 list_for_each_entry(nesdev, &nes_dev_list, list) {
857                         if (i == ee_flsh_adapter) {
858                                 nes_write32(nesdev->regs + NES_EEPROM_COMMAND, val);
859                                 break;
860                         }
861                         i++;
862                 }
863         }
864         return strnlen(buf, count);
865 }
866
867 static ssize_t nes_show_ee_data(struct device_driver *ddp, char *buf)
868 {
869         u32 eeprom_data = 0xdead;
870         u32 i = 0;
871         struct nes_device *nesdev;
872
873         list_for_each_entry(nesdev, &nes_dev_list, list) {
874                 if (i == ee_flsh_adapter) {
875                         eeprom_data = nes_read32(nesdev->regs + NES_EEPROM_DATA);
876                         break;
877                 }
878                 i++;
879         }
880
881         return  snprintf(buf, PAGE_SIZE, "0x%x\n", eeprom_data);
882 }
883
884 static ssize_t nes_store_ee_data(struct device_driver *ddp,
885         const char *buf, size_t count)
886 {
887         char *p = (char *)buf;
888         u32 val;
889         u32 i = 0;
890         struct nes_device *nesdev;
891
892         if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
893                 val = simple_strtoul(p, &p, 16);
894                 list_for_each_entry(nesdev, &nes_dev_list, list) {
895                         if (i == ee_flsh_adapter) {
896                                 nes_write32(nesdev->regs + NES_EEPROM_DATA, val);
897                                 break;
898                         }
899                         i++;
900                 }
901         }
902         return strnlen(buf, count);
903 }
904
905 static ssize_t nes_show_flash_cmd(struct device_driver *ddp, char *buf)
906 {
907         u32 flash_cmd = 0xdead;
908         u32 i = 0;
909         struct nes_device *nesdev;
910
911         list_for_each_entry(nesdev, &nes_dev_list, list) {
912                 if (i == ee_flsh_adapter) {
913                         flash_cmd = nes_read32(nesdev->regs + NES_FLASH_COMMAND);
914                         break;
915                 }
916                 i++;
917         }
918
919         return  snprintf(buf, PAGE_SIZE, "0x%x\n", flash_cmd);
920 }
921
922 static ssize_t nes_store_flash_cmd(struct device_driver *ddp,
923         const char *buf, size_t count)
924 {
925         char *p = (char *)buf;
926         u32 val;
927         u32 i = 0;
928         struct nes_device *nesdev;
929
930         if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
931                 val = simple_strtoul(p, &p, 16);
932                 list_for_each_entry(nesdev, &nes_dev_list, list) {
933                         if (i == ee_flsh_adapter) {
934                                 nes_write32(nesdev->regs + NES_FLASH_COMMAND, val);
935                                 break;
936                         }
937                         i++;
938                 }
939         }
940         return strnlen(buf, count);
941 }
942
943 static ssize_t nes_show_flash_data(struct device_driver *ddp, char *buf)
944 {
945         u32 flash_data = 0xdead;
946         u32 i = 0;
947         struct nes_device *nesdev;
948
949         list_for_each_entry(nesdev, &nes_dev_list, list) {
950                 if (i == ee_flsh_adapter) {
951                         flash_data = nes_read32(nesdev->regs + NES_FLASH_DATA);
952                         break;
953                 }
954                 i++;
955         }
956
957         return  snprintf(buf, PAGE_SIZE, "0x%x\n", flash_data);
958 }
959
960 static ssize_t nes_store_flash_data(struct device_driver *ddp,
961         const char *buf, size_t count)
962 {
963         char *p = (char *)buf;
964         u32 val;
965         u32 i = 0;
966         struct nes_device *nesdev;
967
968         if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
969                 val = simple_strtoul(p, &p, 16);
970                 list_for_each_entry(nesdev, &nes_dev_list, list) {
971                         if (i == ee_flsh_adapter) {
972                                 nes_write32(nesdev->regs + NES_FLASH_DATA, val);
973                                 break;
974                         }
975                         i++;
976                 }
977         }
978         return strnlen(buf, count);
979 }
980
981 static ssize_t nes_show_nonidx_addr(struct device_driver *ddp, char *buf)
982 {
983         return  snprintf(buf, PAGE_SIZE, "0x%x\n", sysfs_nonidx_addr);
984 }
985
986 static ssize_t nes_store_nonidx_addr(struct device_driver *ddp,
987         const char *buf, size_t count)
988 {
989         char *p = (char *)buf;
990
991         if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X')
992                 sysfs_nonidx_addr = simple_strtoul(p, &p, 16);
993
994         return strnlen(buf, count);
995 }
996
997 static ssize_t nes_show_nonidx_data(struct device_driver *ddp, char *buf)
998 {
999         u32 nonidx_data = 0xdead;
1000         u32 i = 0;
1001         struct nes_device *nesdev;
1002
1003         list_for_each_entry(nesdev, &nes_dev_list, list) {
1004                 if (i == ee_flsh_adapter) {
1005                         nonidx_data = nes_read32(nesdev->regs + sysfs_nonidx_addr);
1006                         break;
1007                 }
1008                 i++;
1009         }
1010
1011         return  snprintf(buf, PAGE_SIZE, "0x%x\n", nonidx_data);
1012 }
1013
1014 static ssize_t nes_store_nonidx_data(struct device_driver *ddp,
1015         const char *buf, size_t count)
1016 {
1017         char *p = (char *)buf;
1018         u32 val;
1019         u32 i = 0;
1020         struct nes_device *nesdev;
1021
1022         if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
1023                 val = simple_strtoul(p, &p, 16);
1024                 list_for_each_entry(nesdev, &nes_dev_list, list) {
1025                         if (i == ee_flsh_adapter) {
1026                                 nes_write32(nesdev->regs + sysfs_nonidx_addr, val);
1027                                 break;
1028                         }
1029                         i++;
1030                 }
1031         }
1032         return strnlen(buf, count);
1033 }
1034
1035 static ssize_t nes_show_idx_addr(struct device_driver *ddp, char *buf)
1036 {
1037         return  snprintf(buf, PAGE_SIZE, "0x%x\n", sysfs_idx_addr);
1038 }
1039
1040 static ssize_t nes_store_idx_addr(struct device_driver *ddp,
1041         const char *buf, size_t count)
1042 {
1043         char *p = (char *)buf;
1044
1045         if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X')
1046                 sysfs_idx_addr = simple_strtoul(p, &p, 16);
1047
1048         return strnlen(buf, count);
1049 }
1050
1051 static ssize_t nes_show_idx_data(struct device_driver *ddp, char *buf)
1052 {
1053         u32 idx_data = 0xdead;
1054         u32 i = 0;
1055         struct nes_device *nesdev;
1056
1057         list_for_each_entry(nesdev, &nes_dev_list, list) {
1058                 if (i == ee_flsh_adapter) {
1059                         idx_data = nes_read_indexed(nesdev, sysfs_idx_addr);
1060                         break;
1061                 }
1062                 i++;
1063         }
1064
1065         return  snprintf(buf, PAGE_SIZE, "0x%x\n", idx_data);
1066 }
1067
1068 static ssize_t nes_store_idx_data(struct device_driver *ddp,
1069         const char *buf, size_t count)
1070 {
1071         char *p = (char *)buf;
1072         u32 val;
1073         u32 i = 0;
1074         struct nes_device *nesdev;
1075
1076         if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
1077                 val = simple_strtoul(p, &p, 16);
1078                 list_for_each_entry(nesdev, &nes_dev_list, list) {
1079                         if (i == ee_flsh_adapter) {
1080                                 nes_write_indexed(nesdev, sysfs_idx_addr, val);
1081                                 break;
1082                         }
1083                         i++;
1084                 }
1085         }
1086         return strnlen(buf, count);
1087 }
1088
1089
1090 /**
1091  * nes_show_wqm_quanta
1092  */
1093 static ssize_t nes_show_wqm_quanta(struct device_driver *ddp, char *buf)
1094 {
1095         u32 wqm_quanta_value = 0xdead;
1096         u32 i = 0;
1097         struct nes_device *nesdev;
1098
1099         list_for_each_entry(nesdev, &nes_dev_list, list) {
1100                 if (i == ee_flsh_adapter) {
1101                         wqm_quanta_value = nesdev->nesadapter->wqm_quanta;
1102                         break;
1103                 }
1104                 i++;
1105         }
1106
1107         return  snprintf(buf, PAGE_SIZE, "0x%X\n", wqm_quanta);
1108 }
1109
1110
1111 /**
1112  * nes_store_wqm_quanta
1113  */
1114 static ssize_t nes_store_wqm_quanta(struct device_driver *ddp,
1115                                         const char *buf, size_t count)
1116 {
1117         unsigned long wqm_quanta_value;
1118         u32 wqm_config1;
1119         u32 i = 0;
1120         struct nes_device *nesdev;
1121
1122         strict_strtoul(buf, 0, &wqm_quanta_value);
1123         list_for_each_entry(nesdev, &nes_dev_list, list) {
1124                 if (i == ee_flsh_adapter) {
1125                         nesdev->nesadapter->wqm_quanta = wqm_quanta_value;
1126                         wqm_config1 = nes_read_indexed(nesdev,
1127                                                 NES_IDX_WQM_CONFIG1);
1128                         nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG1,
1129                                         ((wqm_quanta_value << 1) |
1130                                         (wqm_config1 & 0x00000001)));
1131                         break;
1132                 }
1133                 i++;
1134         }
1135         return strnlen(buf, count);
1136 }
1137
1138 static DRIVER_ATTR(adapter, S_IRUSR | S_IWUSR,
1139                    nes_show_adapter, nes_store_adapter);
1140 static DRIVER_ATTR(eeprom_cmd, S_IRUSR | S_IWUSR,
1141                    nes_show_ee_cmd, nes_store_ee_cmd);
1142 static DRIVER_ATTR(eeprom_data, S_IRUSR | S_IWUSR,
1143                    nes_show_ee_data, nes_store_ee_data);
1144 static DRIVER_ATTR(flash_cmd, S_IRUSR | S_IWUSR,
1145                    nes_show_flash_cmd, nes_store_flash_cmd);
1146 static DRIVER_ATTR(flash_data, S_IRUSR | S_IWUSR,
1147                    nes_show_flash_data, nes_store_flash_data);
1148 static DRIVER_ATTR(nonidx_addr, S_IRUSR | S_IWUSR,
1149                    nes_show_nonidx_addr, nes_store_nonidx_addr);
1150 static DRIVER_ATTR(nonidx_data, S_IRUSR | S_IWUSR,
1151                    nes_show_nonidx_data, nes_store_nonidx_data);
1152 static DRIVER_ATTR(idx_addr, S_IRUSR | S_IWUSR,
1153                    nes_show_idx_addr, nes_store_idx_addr);
1154 static DRIVER_ATTR(idx_data, S_IRUSR | S_IWUSR,
1155                    nes_show_idx_data, nes_store_idx_data);
1156 static DRIVER_ATTR(wqm_quanta, S_IRUSR | S_IWUSR,
1157                    nes_show_wqm_quanta, nes_store_wqm_quanta);
1158
1159 static int nes_create_driver_sysfs(struct pci_driver *drv)
1160 {
1161         int error;
1162         error  = driver_create_file(&drv->driver, &driver_attr_adapter);
1163         error |= driver_create_file(&drv->driver, &driver_attr_eeprom_cmd);
1164         error |= driver_create_file(&drv->driver, &driver_attr_eeprom_data);
1165         error |= driver_create_file(&drv->driver, &driver_attr_flash_cmd);
1166         error |= driver_create_file(&drv->driver, &driver_attr_flash_data);
1167         error |= driver_create_file(&drv->driver, &driver_attr_nonidx_addr);
1168         error |= driver_create_file(&drv->driver, &driver_attr_nonidx_data);
1169         error |= driver_create_file(&drv->driver, &driver_attr_idx_addr);
1170         error |= driver_create_file(&drv->driver, &driver_attr_idx_data);
1171         error |= driver_create_file(&drv->driver, &driver_attr_wqm_quanta);
1172         return error;
1173 }
1174
1175 static void nes_remove_driver_sysfs(struct pci_driver *drv)
1176 {
1177         driver_remove_file(&drv->driver, &driver_attr_adapter);
1178         driver_remove_file(&drv->driver, &driver_attr_eeprom_cmd);
1179         driver_remove_file(&drv->driver, &driver_attr_eeprom_data);
1180         driver_remove_file(&drv->driver, &driver_attr_flash_cmd);
1181         driver_remove_file(&drv->driver, &driver_attr_flash_data);
1182         driver_remove_file(&drv->driver, &driver_attr_nonidx_addr);
1183         driver_remove_file(&drv->driver, &driver_attr_nonidx_data);
1184         driver_remove_file(&drv->driver, &driver_attr_idx_addr);
1185         driver_remove_file(&drv->driver, &driver_attr_idx_data);
1186         driver_remove_file(&drv->driver, &driver_attr_wqm_quanta);
1187 }
1188
1189 /**
1190  * nes_init_module - module initialization entry point
1191  */
1192 static int __init nes_init_module(void)
1193 {
1194         int retval;
1195         int retval1;
1196
1197         retval = nes_cm_start();
1198         if (retval) {
1199                 printk(KERN_ERR PFX "Unable to start NetEffect iWARP CM.\n");
1200                 return retval;
1201         }
1202         retval = pci_register_driver(&nes_pci_driver);
1203         if (retval >= 0) {
1204                 retval1 = nes_create_driver_sysfs(&nes_pci_driver);
1205                 if (retval1 < 0)
1206                         printk(KERN_ERR PFX "Unable to create NetEffect sys files.\n");
1207         }
1208         return retval;
1209 }
1210
1211
1212 /**
1213  * nes_exit_module - module unload entry point
1214  */
1215 static void __exit nes_exit_module(void)
1216 {
1217         nes_cm_stop();
1218         nes_remove_driver_sysfs(&nes_pci_driver);
1219
1220         pci_unregister_driver(&nes_pci_driver);
1221 }
1222
1223
1224 module_init(nes_init_module);
1225 module_exit(nes_exit_module);