2 * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
3 * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
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:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
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.
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
34 #include <linux/module.h>
35 #include <linux/init.h>
36 #include <linux/slab.h>
37 #include <linux/errno.h>
39 #include <rdma/ib_smi.h>
40 #include <rdma/ib_user_verbs.h>
42 #include <linux/mlx4/driver.h>
43 #include <linux/mlx4/cmd.h>
48 #define DRV_NAME "mlx4_ib"
49 #define DRV_VERSION "1.0"
50 #define DRV_RELDATE "April 4, 2008"
52 MODULE_AUTHOR("Roland Dreier");
53 MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver");
54 MODULE_LICENSE("Dual BSD/GPL");
55 MODULE_VERSION(DRV_VERSION);
57 static const char mlx4_ib_version[] =
58 DRV_NAME ": Mellanox ConnectX InfiniBand driver v"
59 DRV_VERSION " (" DRV_RELDATE ")\n";
61 static void init_query_mad(struct ib_smp *mad)
63 mad->base_version = 1;
64 mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
65 mad->class_version = 1;
66 mad->method = IB_MGMT_METHOD_GET;
69 static int mlx4_ib_query_device(struct ib_device *ibdev,
70 struct ib_device_attr *props)
72 struct mlx4_ib_dev *dev = to_mdev(ibdev);
73 struct ib_smp *in_mad = NULL;
74 struct ib_smp *out_mad = NULL;
77 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
78 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
79 if (!in_mad || !out_mad)
82 init_query_mad(in_mad);
83 in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
85 err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, 1, NULL, NULL, in_mad, out_mad);
89 memset(props, 0, sizeof *props);
91 props->fw_ver = dev->dev->caps.fw_ver;
92 props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
93 IB_DEVICE_PORT_ACTIVE_EVENT |
94 IB_DEVICE_SYS_IMAGE_GUID |
95 IB_DEVICE_RC_RNR_NAK_GEN |
96 IB_DEVICE_BLOCK_MULTICAST_LOOPBACK;
97 if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR)
98 props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
99 if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR)
100 props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
101 if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM)
102 props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
103 if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT)
104 props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
105 if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
106 props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
107 if (dev->dev->caps.max_gso_sz && dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BLH)
108 props->device_cap_flags |= IB_DEVICE_UD_TSO;
109 if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_RESERVED_LKEY)
110 props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY;
111 if ((dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_LOCAL_INV) &&
112 (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_REMOTE_INV) &&
113 (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_FAST_REG_WR))
114 props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
116 props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) &
118 props->vendor_part_id = be16_to_cpup((__be16 *) (out_mad->data + 30));
119 props->hw_ver = be32_to_cpup((__be32 *) (out_mad->data + 32));
120 memcpy(&props->sys_image_guid, out_mad->data + 4, 8);
122 props->max_mr_size = ~0ull;
123 props->page_size_cap = dev->dev->caps.page_size_cap;
124 props->max_qp = dev->dev->caps.num_qps - dev->dev->caps.reserved_qps;
125 props->max_qp_wr = dev->dev->caps.max_wqes;
126 props->max_sge = min(dev->dev->caps.max_sq_sg,
127 dev->dev->caps.max_rq_sg);
128 props->max_cq = dev->dev->caps.num_cqs - dev->dev->caps.reserved_cqs;
129 props->max_cqe = dev->dev->caps.max_cqes;
130 props->max_mr = dev->dev->caps.num_mpts - dev->dev->caps.reserved_mrws;
131 props->max_pd = dev->dev->caps.num_pds - dev->dev->caps.reserved_pds;
132 props->max_qp_rd_atom = dev->dev->caps.max_qp_dest_rdma;
133 props->max_qp_init_rd_atom = dev->dev->caps.max_qp_init_rdma;
134 props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp;
135 props->max_srq = dev->dev->caps.num_srqs - dev->dev->caps.reserved_srqs;
136 props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1;
137 props->max_srq_sge = dev->dev->caps.max_srq_sge;
138 props->max_fast_reg_page_list_len = PAGE_SIZE / sizeof (u64);
139 props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay;
140 props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ?
141 IB_ATOMIC_HCA : IB_ATOMIC_NONE;
142 props->max_pkeys = dev->dev->caps.pkey_table_len[1];
143 props->max_mcast_grp = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms;
144 props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm;
145 props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
146 props->max_mcast_grp;
147 props->max_map_per_fmr = (1 << (32 - ilog2(dev->dev->caps.num_mpts))) - 1;
156 static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
157 struct ib_port_attr *props)
159 struct ib_smp *in_mad = NULL;
160 struct ib_smp *out_mad = NULL;
163 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
164 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
165 if (!in_mad || !out_mad)
168 memset(props, 0, sizeof *props);
170 init_query_mad(in_mad);
171 in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
172 in_mad->attr_mod = cpu_to_be32(port);
174 err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
178 props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16));
179 props->lmc = out_mad->data[34] & 0x7;
180 props->sm_lid = be16_to_cpup((__be16 *) (out_mad->data + 18));
181 props->sm_sl = out_mad->data[36] & 0xf;
182 props->state = out_mad->data[32] & 0xf;
183 props->phys_state = out_mad->data[33] >> 4;
184 props->port_cap_flags = be32_to_cpup((__be32 *) (out_mad->data + 20));
185 props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port];
186 props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz;
187 props->pkey_tbl_len = to_mdev(ibdev)->dev->caps.pkey_table_len[port];
188 props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46));
189 props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48));
190 props->active_width = out_mad->data[31] & 0xf;
191 props->active_speed = out_mad->data[35] >> 4;
192 props->max_mtu = out_mad->data[41] & 0xf;
193 props->active_mtu = out_mad->data[36] >> 4;
194 props->subnet_timeout = out_mad->data[51] & 0x1f;
195 props->max_vl_num = out_mad->data[37] >> 4;
196 props->init_type_reply = out_mad->data[41] >> 4;
205 static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
208 struct ib_smp *in_mad = NULL;
209 struct ib_smp *out_mad = NULL;
212 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
213 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
214 if (!in_mad || !out_mad)
217 init_query_mad(in_mad);
218 in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
219 in_mad->attr_mod = cpu_to_be32(port);
221 err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
225 memcpy(gid->raw, out_mad->data + 8, 8);
227 init_query_mad(in_mad);
228 in_mad->attr_id = IB_SMP_ATTR_GUID_INFO;
229 in_mad->attr_mod = cpu_to_be32(index / 8);
231 err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
235 memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);
243 static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
246 struct ib_smp *in_mad = NULL;
247 struct ib_smp *out_mad = NULL;
250 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
251 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
252 if (!in_mad || !out_mad)
255 init_query_mad(in_mad);
256 in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE;
257 in_mad->attr_mod = cpu_to_be32(index / 32);
259 err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
263 *pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]);
271 static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask,
272 struct ib_device_modify *props)
274 if (mask & ~IB_DEVICE_MODIFY_NODE_DESC)
277 if (mask & IB_DEVICE_MODIFY_NODE_DESC) {
278 spin_lock(&to_mdev(ibdev)->sm_lock);
279 memcpy(ibdev->node_desc, props->node_desc, 64);
280 spin_unlock(&to_mdev(ibdev)->sm_lock);
286 static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols,
289 struct mlx4_cmd_mailbox *mailbox;
292 mailbox = mlx4_alloc_cmd_mailbox(dev->dev);
294 return PTR_ERR(mailbox);
296 memset(mailbox->buf, 0, 256);
298 if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
299 *(u8 *) mailbox->buf = !!reset_qkey_viols << 6;
300 ((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask);
302 ((u8 *) mailbox->buf)[3] = !!reset_qkey_viols;
303 ((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask);
306 err = mlx4_cmd(dev->dev, mailbox->dma, port, 0, MLX4_CMD_SET_PORT,
307 MLX4_CMD_TIME_CLASS_B);
309 mlx4_free_cmd_mailbox(dev->dev, mailbox);
313 static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask,
314 struct ib_port_modify *props)
316 struct ib_port_attr attr;
320 mutex_lock(&to_mdev(ibdev)->cap_mask_mutex);
322 err = mlx4_ib_query_port(ibdev, port, &attr);
326 cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) &
327 ~props->clr_port_cap_mask;
329 err = mlx4_SET_PORT(to_mdev(ibdev), port,
330 !!(mask & IB_PORT_RESET_QKEY_CNTR),
334 mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex);
338 static struct ib_ucontext *mlx4_ib_alloc_ucontext(struct ib_device *ibdev,
339 struct ib_udata *udata)
341 struct mlx4_ib_dev *dev = to_mdev(ibdev);
342 struct mlx4_ib_ucontext *context;
343 struct mlx4_ib_alloc_ucontext_resp resp;
347 return ERR_PTR(-EAGAIN);
349 resp.qp_tab_size = dev->dev->caps.num_qps;
350 resp.bf_reg_size = dev->dev->caps.bf_reg_size;
351 resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page;
353 context = kmalloc(sizeof *context, GFP_KERNEL);
355 return ERR_PTR(-ENOMEM);
357 err = mlx4_uar_alloc(to_mdev(ibdev)->dev, &context->uar);
363 INIT_LIST_HEAD(&context->db_page_list);
364 mutex_init(&context->db_page_mutex);
366 err = ib_copy_to_udata(udata, &resp, sizeof resp);
368 mlx4_uar_free(to_mdev(ibdev)->dev, &context->uar);
370 return ERR_PTR(-EFAULT);
373 return &context->ibucontext;
376 static int mlx4_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
378 struct mlx4_ib_ucontext *context = to_mucontext(ibcontext);
380 mlx4_uar_free(to_mdev(ibcontext->device)->dev, &context->uar);
386 static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
388 struct mlx4_ib_dev *dev = to_mdev(context->device);
390 if (vma->vm_end - vma->vm_start != PAGE_SIZE)
393 if (vma->vm_pgoff == 0) {
394 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
396 if (io_remap_pfn_range(vma, vma->vm_start,
397 to_mucontext(context)->uar.pfn,
398 PAGE_SIZE, vma->vm_page_prot))
400 } else if (vma->vm_pgoff == 1 && dev->dev->caps.bf_reg_size != 0) {
401 vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
403 if (io_remap_pfn_range(vma, vma->vm_start,
404 to_mucontext(context)->uar.pfn +
405 dev->dev->caps.num_uars,
406 PAGE_SIZE, vma->vm_page_prot))
414 static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev,
415 struct ib_ucontext *context,
416 struct ib_udata *udata)
418 struct mlx4_ib_pd *pd;
421 pd = kmalloc(sizeof *pd, GFP_KERNEL);
423 return ERR_PTR(-ENOMEM);
425 err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn);
432 if (ib_copy_to_udata(udata, &pd->pdn, sizeof (__u32))) {
433 mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn);
435 return ERR_PTR(-EFAULT);
441 static int mlx4_ib_dealloc_pd(struct ib_pd *pd)
443 mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn);
449 static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
451 return mlx4_multicast_attach(to_mdev(ibqp->device)->dev,
452 &to_mqp(ibqp)->mqp, gid->raw,
453 !!(to_mqp(ibqp)->flags &
454 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK));
457 static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
459 return mlx4_multicast_detach(to_mdev(ibqp->device)->dev,
460 &to_mqp(ibqp)->mqp, gid->raw);
463 static int init_node_data(struct mlx4_ib_dev *dev)
465 struct ib_smp *in_mad = NULL;
466 struct ib_smp *out_mad = NULL;
469 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
470 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
471 if (!in_mad || !out_mad)
474 init_query_mad(in_mad);
475 in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
477 err = mlx4_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
481 memcpy(dev->ib_dev.node_desc, out_mad->data, 64);
483 in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
485 err = mlx4_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
489 dev->dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32));
490 memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8);
498 static ssize_t show_hca(struct device *device, struct device_attribute *attr,
501 struct mlx4_ib_dev *dev =
502 container_of(device, struct mlx4_ib_dev, ib_dev.dev);
503 return sprintf(buf, "MT%d\n", dev->dev->pdev->device);
506 static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr,
509 struct mlx4_ib_dev *dev =
510 container_of(device, struct mlx4_ib_dev, ib_dev.dev);
511 return sprintf(buf, "%d.%d.%d\n", (int) (dev->dev->caps.fw_ver >> 32),
512 (int) (dev->dev->caps.fw_ver >> 16) & 0xffff,
513 (int) dev->dev->caps.fw_ver & 0xffff);
516 static ssize_t show_rev(struct device *device, struct device_attribute *attr,
519 struct mlx4_ib_dev *dev =
520 container_of(device, struct mlx4_ib_dev, ib_dev.dev);
521 return sprintf(buf, "%x\n", dev->dev->rev_id);
524 static ssize_t show_board(struct device *device, struct device_attribute *attr,
527 struct mlx4_ib_dev *dev =
528 container_of(device, struct mlx4_ib_dev, ib_dev.dev);
529 return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN,
533 static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
534 static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
535 static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
536 static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
538 static struct device_attribute *mlx4_class_attributes[] = {
545 static void *mlx4_ib_add(struct mlx4_dev *dev)
547 struct mlx4_ib_dev *ibdev;
551 printk_once(KERN_INFO "%s", mlx4_ib_version);
553 mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
556 /* No point in registering a device with no ports... */
560 ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev);
562 dev_err(&dev->pdev->dev, "Device struct alloc failed\n");
566 if (mlx4_pd_alloc(dev, &ibdev->priv_pdn))
569 if (mlx4_uar_alloc(dev, &ibdev->priv_uar))
572 ibdev->uar_map = ioremap(ibdev->priv_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
575 MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock);
579 strlcpy(ibdev->ib_dev.name, "mlx4_%d", IB_DEVICE_NAME_MAX);
580 ibdev->ib_dev.owner = THIS_MODULE;
581 ibdev->ib_dev.node_type = RDMA_NODE_IB_CA;
582 ibdev->ib_dev.local_dma_lkey = dev->caps.reserved_lkey;
583 ibdev->num_ports = num_ports;
584 ibdev->ib_dev.phys_port_cnt = ibdev->num_ports;
585 ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors;
586 ibdev->ib_dev.dma_device = &dev->pdev->dev;
588 ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION;
589 ibdev->ib_dev.uverbs_cmd_mask =
590 (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
591 (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
592 (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
593 (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
594 (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
595 (1ull << IB_USER_VERBS_CMD_REG_MR) |
596 (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
597 (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
598 (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
599 (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) |
600 (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
601 (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
602 (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
603 (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
604 (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
605 (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) |
606 (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) |
607 (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
608 (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
609 (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
610 (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ);
612 ibdev->ib_dev.query_device = mlx4_ib_query_device;
613 ibdev->ib_dev.query_port = mlx4_ib_query_port;
614 ibdev->ib_dev.query_gid = mlx4_ib_query_gid;
615 ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey;
616 ibdev->ib_dev.modify_device = mlx4_ib_modify_device;
617 ibdev->ib_dev.modify_port = mlx4_ib_modify_port;
618 ibdev->ib_dev.alloc_ucontext = mlx4_ib_alloc_ucontext;
619 ibdev->ib_dev.dealloc_ucontext = mlx4_ib_dealloc_ucontext;
620 ibdev->ib_dev.mmap = mlx4_ib_mmap;
621 ibdev->ib_dev.alloc_pd = mlx4_ib_alloc_pd;
622 ibdev->ib_dev.dealloc_pd = mlx4_ib_dealloc_pd;
623 ibdev->ib_dev.create_ah = mlx4_ib_create_ah;
624 ibdev->ib_dev.query_ah = mlx4_ib_query_ah;
625 ibdev->ib_dev.destroy_ah = mlx4_ib_destroy_ah;
626 ibdev->ib_dev.create_srq = mlx4_ib_create_srq;
627 ibdev->ib_dev.modify_srq = mlx4_ib_modify_srq;
628 ibdev->ib_dev.query_srq = mlx4_ib_query_srq;
629 ibdev->ib_dev.destroy_srq = mlx4_ib_destroy_srq;
630 ibdev->ib_dev.post_srq_recv = mlx4_ib_post_srq_recv;
631 ibdev->ib_dev.create_qp = mlx4_ib_create_qp;
632 ibdev->ib_dev.modify_qp = mlx4_ib_modify_qp;
633 ibdev->ib_dev.query_qp = mlx4_ib_query_qp;
634 ibdev->ib_dev.destroy_qp = mlx4_ib_destroy_qp;
635 ibdev->ib_dev.post_send = mlx4_ib_post_send;
636 ibdev->ib_dev.post_recv = mlx4_ib_post_recv;
637 ibdev->ib_dev.create_cq = mlx4_ib_create_cq;
638 ibdev->ib_dev.modify_cq = mlx4_ib_modify_cq;
639 ibdev->ib_dev.resize_cq = mlx4_ib_resize_cq;
640 ibdev->ib_dev.destroy_cq = mlx4_ib_destroy_cq;
641 ibdev->ib_dev.poll_cq = mlx4_ib_poll_cq;
642 ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq;
643 ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr;
644 ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr;
645 ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr;
646 ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr;
647 ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list;
648 ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list;
649 ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach;
650 ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach;
651 ibdev->ib_dev.process_mad = mlx4_ib_process_mad;
653 ibdev->ib_dev.alloc_fmr = mlx4_ib_fmr_alloc;
654 ibdev->ib_dev.map_phys_fmr = mlx4_ib_map_phys_fmr;
655 ibdev->ib_dev.unmap_fmr = mlx4_ib_unmap_fmr;
656 ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc;
658 if (init_node_data(ibdev))
661 spin_lock_init(&ibdev->sm_lock);
662 mutex_init(&ibdev->cap_mask_mutex);
664 if (ib_register_device(&ibdev->ib_dev))
667 if (mlx4_ib_mad_init(ibdev))
670 for (i = 0; i < ARRAY_SIZE(mlx4_class_attributes); ++i) {
671 if (device_create_file(&ibdev->ib_dev.dev,
672 mlx4_class_attributes[i]))
676 ibdev->ib_active = true;
681 ib_unregister_device(&ibdev->ib_dev);
684 iounmap(ibdev->uar_map);
687 mlx4_uar_free(dev, &ibdev->priv_uar);
690 mlx4_pd_free(dev, ibdev->priv_pdn);
693 ib_dealloc_device(&ibdev->ib_dev);
698 static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
700 struct mlx4_ib_dev *ibdev = ibdev_ptr;
703 mlx4_ib_mad_cleanup(ibdev);
704 ib_unregister_device(&ibdev->ib_dev);
706 for (p = 1; p <= ibdev->num_ports; ++p)
707 mlx4_CLOSE_PORT(dev, p);
709 iounmap(ibdev->uar_map);
710 mlx4_uar_free(dev, &ibdev->priv_uar);
711 mlx4_pd_free(dev, ibdev->priv_pdn);
712 ib_dealloc_device(&ibdev->ib_dev);
715 static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr,
716 enum mlx4_dev_event event, int port)
718 struct ib_event ibev;
719 struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr);
721 if (port > ibdev->num_ports)
725 case MLX4_DEV_EVENT_PORT_UP:
726 ibev.event = IB_EVENT_PORT_ACTIVE;
729 case MLX4_DEV_EVENT_PORT_DOWN:
730 ibev.event = IB_EVENT_PORT_ERR;
733 case MLX4_DEV_EVENT_CATASTROPHIC_ERROR:
734 ibdev->ib_active = false;
735 ibev.event = IB_EVENT_DEVICE_FATAL;
742 ibev.device = ibdev_ptr;
743 ibev.element.port_num = port;
745 ib_dispatch_event(&ibev);
748 static struct mlx4_interface mlx4_ib_interface = {
750 .remove = mlx4_ib_remove,
751 .event = mlx4_ib_event
754 static int __init mlx4_ib_init(void)
756 return mlx4_register_interface(&mlx4_ib_interface);
759 static void __exit mlx4_ib_cleanup(void)
761 mlx4_unregister_interface(&mlx4_ib_interface);
764 module_init(mlx4_ib_init);
765 module_exit(mlx4_ib_cleanup);