2 * Copyright (c) 2012 Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 /*#include "core_priv.h"*/
35 #include <linux/slab.h>
36 #include <linux/string.h>
37 #include <linux/stat.h>
39 #include <rdma/ib_mad.h>
40 /*show_admin_alias_guid returns the administratively assigned value of that GUID.
41 * Values returned in buf parameter string:
42 * 0 - requests opensm to assign a value.
43 * ffffffffffffffff - delete this entry.
44 * other - value assigned by administrator.
46 static ssize_t show_admin_alias_guid(struct device *dev,
47 struct device_attribute *attr, char *buf)
49 struct mlx4_ib_iov_sysfs_attr *mlx4_ib_iov_dentry =
50 container_of(attr, struct mlx4_ib_iov_sysfs_attr, dentry);
51 struct mlx4_ib_iov_port *port = mlx4_ib_iov_dentry->ctx;
52 struct mlx4_ib_dev *mdev = port->dev;
53 __be64 sysadmin_ag_val;
55 sysadmin_ag_val = mlx4_get_admin_guid(mdev->dev,
56 mlx4_ib_iov_dentry->entry_num,
59 return sprintf(buf, "%llx\n", be64_to_cpu(sysadmin_ag_val));
62 /* store_admin_alias_guid stores the (new) administratively assigned value of that GUID.
63 * Values in buf parameter string:
64 * 0 - requests opensm to assign a value.
65 * 0xffffffffffffffff - delete this entry.
66 * other - guid value assigned by the administrator.
68 static ssize_t store_admin_alias_guid(struct device *dev,
69 struct device_attribute *attr,
70 const char *buf, size_t count)
72 int record_num;/*0-15*/
73 int guid_index_in_rec; /*0 - 7*/
74 struct mlx4_ib_iov_sysfs_attr *mlx4_ib_iov_dentry =
75 container_of(attr, struct mlx4_ib_iov_sysfs_attr, dentry);
76 struct mlx4_ib_iov_port *port = mlx4_ib_iov_dentry->ctx;
77 struct mlx4_ib_dev *mdev = port->dev;
81 record_num = mlx4_ib_iov_dentry->entry_num / 8;
82 guid_index_in_rec = mlx4_ib_iov_dentry->entry_num % 8;
83 if (0 == record_num && 0 == guid_index_in_rec) {
84 pr_err("GUID 0 block 0 is RO\n");
87 spin_lock_irqsave(&mdev->sriov.alias_guid.ag_work_lock, flags);
88 sscanf(buf, "%llx", &sysadmin_ag_val);
89 *(__be64 *)&mdev->sriov.alias_guid.ports_guid[port->num - 1].
90 all_rec_per_port[record_num].
91 all_recs[GUID_REC_SIZE * guid_index_in_rec] =
92 cpu_to_be64(sysadmin_ag_val);
94 /* Change the state to be pending for update */
95 mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].status
96 = MLX4_GUID_INFO_STATUS_IDLE ;
97 mlx4_set_admin_guid(mdev->dev, cpu_to_be64(sysadmin_ag_val),
98 mlx4_ib_iov_dentry->entry_num,
101 /* set the record index */
102 mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].guid_indexes
103 |= mlx4_ib_get_aguid_comp_mask_from_ix(guid_index_in_rec);
105 spin_unlock_irqrestore(&mdev->sriov.alias_guid.ag_work_lock, flags);
106 mlx4_ib_init_alias_guid_work(mdev, port->num - 1);
111 static ssize_t show_port_gid(struct device *dev,
112 struct device_attribute *attr,
115 struct mlx4_ib_iov_sysfs_attr *mlx4_ib_iov_dentry =
116 container_of(attr, struct mlx4_ib_iov_sysfs_attr, dentry);
117 struct mlx4_ib_iov_port *port = mlx4_ib_iov_dentry->ctx;
118 struct mlx4_ib_dev *mdev = port->dev;
122 ret = __mlx4_ib_query_gid(&mdev->ib_dev, port->num,
123 mlx4_ib_iov_dentry->entry_num, &gid, 1);
126 ret = sprintf(buf, "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
127 be16_to_cpu(((__be16 *) gid.raw)[0]),
128 be16_to_cpu(((__be16 *) gid.raw)[1]),
129 be16_to_cpu(((__be16 *) gid.raw)[2]),
130 be16_to_cpu(((__be16 *) gid.raw)[3]),
131 be16_to_cpu(((__be16 *) gid.raw)[4]),
132 be16_to_cpu(((__be16 *) gid.raw)[5]),
133 be16_to_cpu(((__be16 *) gid.raw)[6]),
134 be16_to_cpu(((__be16 *) gid.raw)[7]));
138 static ssize_t show_phys_port_pkey(struct device *dev,
139 struct device_attribute *attr,
142 struct mlx4_ib_iov_sysfs_attr *mlx4_ib_iov_dentry =
143 container_of(attr, struct mlx4_ib_iov_sysfs_attr, dentry);
144 struct mlx4_ib_iov_port *port = mlx4_ib_iov_dentry->ctx;
145 struct mlx4_ib_dev *mdev = port->dev;
149 ret = __mlx4_ib_query_pkey(&mdev->ib_dev, port->num,
150 mlx4_ib_iov_dentry->entry_num, &pkey, 1);
154 return sprintf(buf, "0x%04x\n", pkey);
157 #define DENTRY_REMOVE(_dentry) \
159 sysfs_remove_file((_dentry)->kobj, &(_dentry)->dentry.attr); \
162 static int create_sysfs_entry(void *_ctx, struct mlx4_ib_iov_sysfs_attr *_dentry,
163 char *_name, struct kobject *_kobj,
164 ssize_t (*show)(struct device *dev,
165 struct device_attribute *attr,
167 ssize_t (*store)(struct device *dev,
168 struct device_attribute *attr,
169 const char *buf, size_t count)
173 struct mlx4_ib_iov_sysfs_attr *vdentry = _dentry;
176 vdentry->dentry.show = show;
177 vdentry->dentry.store = store;
178 sysfs_attr_init(&vdentry->dentry.attr);
179 vdentry->dentry.attr.name = vdentry->name;
180 vdentry->dentry.attr.mode = 0;
181 vdentry->kobj = _kobj;
182 snprintf(vdentry->name, 15, "%s", _name);
184 if (vdentry->dentry.store)
185 vdentry->dentry.attr.mode |= S_IWUSR;
187 if (vdentry->dentry.show)
188 vdentry->dentry.attr.mode |= S_IRUGO;
190 ret = sysfs_create_file(vdentry->kobj, &vdentry->dentry.attr);
192 pr_err("failed to create %s\n", vdentry->dentry.attr.name);
200 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
201 struct attribute *attr)
203 struct mlx4_ib_iov_port *port = &device->iov_ports[port_num - 1];
206 ret = sysfs_create_file(port->mcgs_parent, attr);
208 pr_err("failed to create %s\n", attr->name);
213 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
214 struct attribute *attr)
216 struct mlx4_ib_iov_port *port = &device->iov_ports[port_num - 1];
218 sysfs_remove_file(port->mcgs_parent, attr);
221 static int add_port_entries(struct mlx4_ib_dev *device, int port_num)
225 struct mlx4_ib_iov_port *port = NULL;
227 struct ib_port_attr attr;
229 memset(&attr, 0, sizeof(attr));
230 /* get the physical gid and pkey table sizes.*/
231 ret = __mlx4_ib_query_port(&device->ib_dev, port_num, &attr, 1);
235 port = &device->iov_ports[port_num - 1];
237 port->num = port_num;
238 /* Directory structure:
245 port->dentr_ar = kzalloc(sizeof (struct mlx4_ib_iov_sysfs_attr_ar),
247 if (!port->dentr_ar) {
251 sprintf(buff, "%d", port_num);
252 port->cur_port = kobject_create_and_add(buff,
253 kobject_get(device->ports_parent));
254 if (!port->cur_port) {
256 goto kobj_create_err;
259 port->admin_alias_parent = kobject_create_and_add("admin_guids",
260 kobject_get(port->cur_port));
261 if (!port->admin_alias_parent) {
263 goto err_admin_guids;
265 for (i = 0 ; i < attr.gid_tbl_len; i++) {
266 sprintf(buff, "%d", i);
267 port->dentr_ar->dentries[i].entry_num = i;
268 ret = create_sysfs_entry(port, &port->dentr_ar->dentries[i],
269 buff, port->admin_alias_parent,
270 show_admin_alias_guid, store_admin_alias_guid);
272 goto err_admin_alias_parent;
275 /* gids subdirectory (operational gids) */
276 port->gids_parent = kobject_create_and_add("gids",
277 kobject_get(port->cur_port));
278 if (!port->gids_parent) {
283 for (i = 0 ; i < attr.gid_tbl_len; i++) {
284 sprintf(buff, "%d", i);
285 port->dentr_ar->dentries[attr.gid_tbl_len + i].entry_num = i;
286 ret = create_sysfs_entry(port,
287 &port->dentr_ar->dentries[attr.gid_tbl_len + i],
289 port->gids_parent, show_port_gid, NULL);
291 goto err_gids_parent;
294 /* physical port pkey table */
296 kobject_create_and_add("pkeys", kobject_get(port->cur_port));
297 if (!port->pkeys_parent) {
302 for (i = 0 ; i < attr.pkey_tbl_len; i++) {
303 sprintf(buff, "%d", i);
304 port->dentr_ar->dentries[2 * attr.gid_tbl_len + i].entry_num = i;
305 ret = create_sysfs_entry(port,
306 &port->dentr_ar->dentries[2 * attr.gid_tbl_len + i],
307 buff, port->pkeys_parent,
308 show_phys_port_pkey, NULL);
310 goto err_pkeys_parent;
315 kobject_create_and_add("mcgs", kobject_get(port->cur_port));
316 if (!port->mcgs_parent) {
323 kobject_put(port->cur_port);
326 kobject_put(port->pkeys_parent);
329 kobject_put(port->cur_port);
332 kobject_put(port->gids_parent);
335 kobject_put(port->cur_port);
337 err_admin_alias_parent:
338 kobject_put(port->admin_alias_parent);
341 kobject_put(port->cur_port);
342 kobject_put(port->cur_port); /* once more for create_and_add buff */
345 kobject_put(device->ports_parent);
346 kfree(port->dentr_ar);
349 pr_err("add_port_entries FAILED: for port:%d, error: %d\n",
354 static void get_name(struct mlx4_ib_dev *dev, char *name, int i, int max)
356 /* pci_name format is: bus:dev:func -> xxxx:yy:zz.n
357 * with no ARI only 3 last bits are used so when the fn is higher than 8
358 * need to add it to the dev num, so count in the last number will be
360 snprintf(name, max, "%.8s%.2d.%d", pci_name(dev->dev->persist->pdev),
366 struct mlx4_ib_dev *dev;
367 struct attribute_group pkey_group;
368 struct attribute_group gid_group;
369 struct device_attribute enable_smi_admin;
370 struct device_attribute smi_enabled;
376 static void mlx4_port_release(struct kobject *kobj)
378 struct mlx4_port *p = container_of(kobj, struct mlx4_port, kobj);
382 for (i = 0; (a = p->pkey_group.attrs[i]); ++i)
384 kfree(p->pkey_group.attrs);
385 for (i = 0; (a = p->gid_group.attrs[i]); ++i)
387 kfree(p->gid_group.attrs);
391 struct port_attribute {
392 struct attribute attr;
393 ssize_t (*show)(struct mlx4_port *, struct port_attribute *, char *buf);
394 ssize_t (*store)(struct mlx4_port *, struct port_attribute *,
395 const char *buf, size_t count);
398 static ssize_t port_attr_show(struct kobject *kobj,
399 struct attribute *attr, char *buf)
401 struct port_attribute *port_attr =
402 container_of(attr, struct port_attribute, attr);
403 struct mlx4_port *p = container_of(kobj, struct mlx4_port, kobj);
405 if (!port_attr->show)
407 return port_attr->show(p, port_attr, buf);
410 static ssize_t port_attr_store(struct kobject *kobj,
411 struct attribute *attr,
412 const char *buf, size_t size)
414 struct port_attribute *port_attr =
415 container_of(attr, struct port_attribute, attr);
416 struct mlx4_port *p = container_of(kobj, struct mlx4_port, kobj);
418 if (!port_attr->store)
420 return port_attr->store(p, port_attr, buf, size);
423 static const struct sysfs_ops port_sysfs_ops = {
424 .show = port_attr_show,
425 .store = port_attr_store,
428 static struct kobj_type port_type = {
429 .release = mlx4_port_release,
430 .sysfs_ops = &port_sysfs_ops,
433 struct port_table_attribute {
434 struct port_attribute attr;
439 static ssize_t show_port_pkey(struct mlx4_port *p, struct port_attribute *attr,
442 struct port_table_attribute *tab_attr =
443 container_of(attr, struct port_table_attribute, attr);
444 ssize_t ret = -ENODEV;
446 if (p->dev->pkeys.virt2phys_pkey[p->slave][p->port_num - 1][tab_attr->index] >=
447 (p->dev->dev->caps.pkey_table_len[p->port_num]))
448 ret = sprintf(buf, "none\n");
450 ret = sprintf(buf, "%d\n",
451 p->dev->pkeys.virt2phys_pkey[p->slave]
452 [p->port_num - 1][tab_attr->index]);
456 static ssize_t store_port_pkey(struct mlx4_port *p, struct port_attribute *attr,
457 const char *buf, size_t count)
459 struct port_table_attribute *tab_attr =
460 container_of(attr, struct port_table_attribute, attr);
464 /* do not allow remapping Dom0 virtual pkey table */
465 if (p->slave == mlx4_master_func_num(p->dev->dev))
468 if (!strncasecmp(buf, "no", 2))
469 idx = p->dev->dev->phys_caps.pkey_phys_table_len[p->port_num] - 1;
470 else if (sscanf(buf, "%i", &idx) != 1 ||
471 idx >= p->dev->dev->caps.pkey_table_len[p->port_num] ||
475 p->dev->pkeys.virt2phys_pkey[p->slave][p->port_num - 1]
476 [tab_attr->index] = idx;
477 mlx4_sync_pkey_table(p->dev->dev, p->slave, p->port_num,
478 tab_attr->index, idx);
479 err = mlx4_gen_pkey_eqe(p->dev->dev, p->slave, p->port_num);
481 pr_err("mlx4_gen_pkey_eqe failed for slave %d,"
482 " port %d, index %d\n", p->slave, p->port_num, idx);
488 static ssize_t show_port_gid_idx(struct mlx4_port *p,
489 struct port_attribute *attr, char *buf)
491 return sprintf(buf, "%d\n", p->slave);
494 static struct attribute **
495 alloc_group_attrs(ssize_t (*show)(struct mlx4_port *,
496 struct port_attribute *, char *buf),
497 ssize_t (*store)(struct mlx4_port *, struct port_attribute *,
498 const char *buf, size_t count),
501 struct attribute **tab_attr;
502 struct port_table_attribute *element;
505 tab_attr = kcalloc(1 + len, sizeof (struct attribute *), GFP_KERNEL);
509 for (i = 0; i < len; i++) {
510 element = kzalloc(sizeof (struct port_table_attribute),
514 if (snprintf(element->name, sizeof (element->name),
515 "%d", i) >= sizeof (element->name)) {
519 sysfs_attr_init(&element->attr.attr);
520 element->attr.attr.name = element->name;
522 element->attr.attr.mode = S_IWUSR | S_IRUGO;
523 element->attr.store = store;
525 element->attr.attr.mode = S_IRUGO;
527 element->attr.show = show;
529 tab_attr[i] = &element->attr.attr;
540 static ssize_t sysfs_show_smi_enabled(struct device *dev,
541 struct device_attribute *attr, char *buf)
543 struct mlx4_port *p =
544 container_of(attr, struct mlx4_port, smi_enabled);
547 if (mlx4_vf_smi_enabled(p->dev->dev, p->slave, p->port_num))
548 len = sprintf(buf, "%d\n", 1);
550 len = sprintf(buf, "%d\n", 0);
555 static ssize_t sysfs_show_enable_smi_admin(struct device *dev,
556 struct device_attribute *attr,
559 struct mlx4_port *p =
560 container_of(attr, struct mlx4_port, enable_smi_admin);
563 if (mlx4_vf_get_enable_smi_admin(p->dev->dev, p->slave, p->port_num))
564 len = sprintf(buf, "%d\n", 1);
566 len = sprintf(buf, "%d\n", 0);
571 static ssize_t sysfs_store_enable_smi_admin(struct device *dev,
572 struct device_attribute *attr,
573 const char *buf, size_t count)
575 struct mlx4_port *p =
576 container_of(attr, struct mlx4_port, enable_smi_admin);
579 if (sscanf(buf, "%i", &enable) != 1 ||
580 enable < 0 || enable > 1)
583 if (mlx4_vf_set_enable_smi_admin(p->dev->dev, p->slave, p->port_num, enable))
588 static int add_vf_smi_entries(struct mlx4_port *p)
590 int is_eth = rdma_port_get_link_layer(&p->dev->ib_dev, p->port_num) ==
591 IB_LINK_LAYER_ETHERNET;
594 /* do not display entries if eth transport, or if master */
595 if (is_eth || p->slave == mlx4_master_func_num(p->dev->dev))
598 sysfs_attr_init(&p->smi_enabled.attr);
599 p->smi_enabled.show = sysfs_show_smi_enabled;
600 p->smi_enabled.store = NULL;
601 p->smi_enabled.attr.name = "smi_enabled";
602 p->smi_enabled.attr.mode = 0444;
603 ret = sysfs_create_file(&p->kobj, &p->smi_enabled.attr);
605 pr_err("failed to create smi_enabled\n");
609 sysfs_attr_init(&p->enable_smi_admin.attr);
610 p->enable_smi_admin.show = sysfs_show_enable_smi_admin;
611 p->enable_smi_admin.store = sysfs_store_enable_smi_admin;
612 p->enable_smi_admin.attr.name = "enable_smi_admin";
613 p->enable_smi_admin.attr.mode = 0644;
614 ret = sysfs_create_file(&p->kobj, &p->enable_smi_admin.attr);
616 pr_err("failed to create enable_smi_admin\n");
617 sysfs_remove_file(&p->kobj, &p->smi_enabled.attr);
623 static void remove_vf_smi_entries(struct mlx4_port *p)
625 int is_eth = rdma_port_get_link_layer(&p->dev->ib_dev, p->port_num) ==
626 IB_LINK_LAYER_ETHERNET;
628 if (is_eth || p->slave == mlx4_master_func_num(p->dev->dev))
631 sysfs_remove_file(&p->kobj, &p->smi_enabled.attr);
632 sysfs_remove_file(&p->kobj, &p->enable_smi_admin.attr);
635 static int add_port(struct mlx4_ib_dev *dev, int port_num, int slave)
640 int is_eth = rdma_port_get_link_layer(&dev->ib_dev, port_num) ==
641 IB_LINK_LAYER_ETHERNET;
643 p = kzalloc(sizeof *p, GFP_KERNEL);
648 p->port_num = port_num;
651 ret = kobject_init_and_add(&p->kobj, &port_type,
652 kobject_get(dev->dev_ports_parent[slave]),
657 p->pkey_group.name = "pkey_idx";
658 p->pkey_group.attrs =
659 alloc_group_attrs(show_port_pkey,
660 is_eth ? NULL : store_port_pkey,
661 dev->dev->caps.pkey_table_len[port_num]);
662 if (!p->pkey_group.attrs) {
667 ret = sysfs_create_group(&p->kobj, &p->pkey_group);
671 p->gid_group.name = "gid_idx";
672 p->gid_group.attrs = alloc_group_attrs(show_port_gid_idx, NULL, 1);
673 if (!p->gid_group.attrs) {
678 ret = sysfs_create_group(&p->kobj, &p->gid_group);
682 ret = add_vf_smi_entries(p);
686 list_add_tail(&p->kobj.entry, &dev->pkeys.pkey_port_list[slave]);
690 kfree(p->gid_group.attrs[0]);
691 kfree(p->gid_group.attrs);
694 for (i = 0; i < dev->dev->caps.pkey_table_len[port_num]; ++i)
695 kfree(p->pkey_group.attrs[i]);
696 kfree(p->pkey_group.attrs);
699 kobject_put(dev->dev_ports_parent[slave]);
704 static int register_one_pkey_tree(struct mlx4_ib_dev *dev, int slave)
709 struct kobject *p, *t;
710 struct mlx4_port *mport;
711 struct mlx4_active_ports actv_ports;
713 get_name(dev, name, slave, sizeof name);
715 dev->pkeys.device_parent[slave] =
716 kobject_create_and_add(name, kobject_get(dev->iov_parent));
718 if (!dev->pkeys.device_parent[slave]) {
723 INIT_LIST_HEAD(&dev->pkeys.pkey_port_list[slave]);
725 dev->dev_ports_parent[slave] =
726 kobject_create_and_add("ports",
727 kobject_get(dev->pkeys.device_parent[slave]));
729 if (!dev->dev_ports_parent[slave]) {
734 actv_ports = mlx4_get_active_ports(dev->dev, slave);
736 for (port = 1; port <= dev->dev->caps.num_ports; ++port) {
737 if (!test_bit(port - 1, actv_ports.ports))
739 err = add_port(dev, port, slave);
746 list_for_each_entry_safe(p, t,
747 &dev->pkeys.pkey_port_list[slave],
750 mport = container_of(p, struct mlx4_port, kobj);
751 sysfs_remove_group(p, &mport->pkey_group);
752 sysfs_remove_group(p, &mport->gid_group);
753 remove_vf_smi_entries(mport);
756 kobject_put(dev->dev_ports_parent[slave]);
759 kobject_put(dev->pkeys.device_parent[slave]);
760 /* extra put for the device_parent create_and_add */
761 kobject_put(dev->pkeys.device_parent[slave]);
764 kobject_put(dev->iov_parent);
768 static int register_pkey_tree(struct mlx4_ib_dev *device)
772 if (!mlx4_is_master(device->dev))
775 for (i = 0; i <= device->dev->persist->num_vfs; ++i)
776 register_one_pkey_tree(device, i);
781 static void unregister_pkey_tree(struct mlx4_ib_dev *device)
784 struct kobject *p, *t;
785 struct mlx4_port *port;
787 if (!mlx4_is_master(device->dev))
790 for (slave = device->dev->persist->num_vfs; slave >= 0; --slave) {
791 list_for_each_entry_safe(p, t,
792 &device->pkeys.pkey_port_list[slave],
795 port = container_of(p, struct mlx4_port, kobj);
796 sysfs_remove_group(p, &port->pkey_group);
797 sysfs_remove_group(p, &port->gid_group);
798 remove_vf_smi_entries(port);
800 kobject_put(device->dev_ports_parent[slave]);
802 kobject_put(device->dev_ports_parent[slave]);
803 kobject_put(device->pkeys.device_parent[slave]);
804 kobject_put(device->pkeys.device_parent[slave]);
805 kobject_put(device->iov_parent);
809 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *dev)
814 if (!mlx4_is_master(dev->dev))
817 dev->iov_parent = kobject_create_and_add("iov", &dev->ib_dev.dev.kobj);
818 if (!dev->iov_parent) {
823 kobject_create_and_add("ports",
824 kobject_get(dev->iov_parent));
825 if (!dev->ports_parent) {
830 for (i = 1; i <= dev->ib_dev.phys_port_cnt; ++i) {
831 ret = add_port_entries(dev, i);
833 goto err_add_entries;
836 ret = register_pkey_tree(dev);
838 goto err_add_entries;
842 kobject_put(dev->ports_parent);
845 kobject_put(dev->iov_parent);
847 pr_err("mlx4_ib_device_register_sysfs error (%d)\n", ret);
851 static void unregister_alias_guid_tree(struct mlx4_ib_dev *device)
853 struct mlx4_ib_iov_port *p;
856 if (!mlx4_is_master(device->dev))
859 for (i = 0; i < device->dev->caps.num_ports; i++) {
860 p = &device->iov_ports[i];
861 kobject_put(p->admin_alias_parent);
862 kobject_put(p->gids_parent);
863 kobject_put(p->pkeys_parent);
864 kobject_put(p->mcgs_parent);
865 kobject_put(p->cur_port);
866 kobject_put(p->cur_port);
867 kobject_put(p->cur_port);
868 kobject_put(p->cur_port);
869 kobject_put(p->cur_port);
870 kobject_put(p->dev->ports_parent);
875 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device)
877 unregister_alias_guid_tree(device);
878 unregister_pkey_tree(device);
879 kobject_put(device->ports_parent);
880 kobject_put(device->iov_parent);
881 kobject_put(device->iov_parent);