linux/drivers/infiniband/hw/mlx4/sysfs.c

/*
 * Copyright (c) 2012 Mellanox Technologies.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/*#include "core_priv.h"*/
#include "mlx4_ib.h"
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/stat.h>

#include <rdma/ib_mad.h>
/*show_admin_alias_guid returns the administratively assigned value of that GUID.
 * Values returned in buf parameter string:
 *	0			- requests opensm to assign a value.
 *	ffffffffffffffff	- delete this entry.
 *	other			- value assigned by administrator.
 */
static ssize_t show_admin_alias_guid(struct device *dev,
			      struct device_attribute *attr, char *buf)
{ … }

/* store_admin_alias_guid stores the (new) administratively assigned value of that GUID.
 * Values in buf parameter string:
 *	0			- requests opensm to assign a value.
 *	0xffffffffffffffff	- delete this entry.
 *	other			- guid value assigned by the administrator.
 */
static ssize_t store_admin_alias_guid(struct device *dev,
				      struct device_attribute *attr,
				      const char *buf, size_t count)
{ … }

static ssize_t show_port_gid(struct device *dev,
			     struct device_attribute *attr,
			     char *buf)
{ … }

static ssize_t show_phys_port_pkey(struct device *dev,
				   struct device_attribute *attr,
				   char *buf)
{ … }

#define DENTRY_REMOVE(_dentry) …

static int create_sysfs_entry(void *_ctx, struct mlx4_ib_iov_sysfs_attr *_dentry,
			      char *_name, struct kobject *_kobj,
			      ssize_t (*show)(struct device *dev,
					      struct device_attribute *attr,
					      char *buf),
			      ssize_t (*store)(struct device *dev,
					       struct device_attribute *attr,
					       const char *buf, size_t count)
			      )
{ … }

int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
		struct attribute *attr)
{ … }

void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
		struct attribute *attr)
{ … }

static int add_port_entries(struct mlx4_ib_dev *device, int port_num)
{ … }

static void get_name(struct mlx4_ib_dev *dev, char *name, int i, int max)
{ … }

struct mlx4_port { … };


static void mlx4_port_release(struct kobject *kobj)
{ … }

struct port_attribute { … };

static ssize_t port_attr_show(struct kobject *kobj,
			      struct attribute *attr, char *buf)
{ … }

static ssize_t port_attr_store(struct kobject *kobj,
			       struct attribute *attr,
			       const char *buf, size_t size)
{ … }

static const struct sysfs_ops port_sysfs_ops = …;

static struct kobj_type port_type = …;

struct port_table_attribute { … };

static ssize_t show_port_pkey(struct mlx4_port *p, struct port_attribute *attr,
			      char *buf)
{ … }

static ssize_t store_port_pkey(struct mlx4_port *p, struct port_attribute *attr,
			       const char *buf, size_t count)
{ … }

static ssize_t show_port_gid_idx(struct mlx4_port *p,
				 struct port_attribute *attr, char *buf)
{ … }

static struct attribute **
alloc_group_attrs(ssize_t (*show)(struct mlx4_port *,
				  struct port_attribute *, char *buf),
		  ssize_t (*store)(struct mlx4_port *, struct port_attribute *,
				   const char *buf, size_t count),
		  int len)
{ … }

static ssize_t sysfs_show_smi_enabled(struct device *dev,
				      struct device_attribute *attr, char *buf)
{ … }

static ssize_t sysfs_show_enable_smi_admin(struct device *dev,
					   struct device_attribute *attr,
					   char *buf)
{ … }

static ssize_t sysfs_store_enable_smi_admin(struct device *dev,
					    struct device_attribute *attr,
					    const char *buf, size_t count)
{ … }

static int add_vf_smi_entries(struct mlx4_port *p)
{ … }

static void remove_vf_smi_entries(struct mlx4_port *p)
{ … }

static int add_port(struct mlx4_ib_dev *dev, int port_num, int slave)
{ … }

static int register_one_pkey_tree(struct mlx4_ib_dev *dev, int slave)
{ … }

static int register_pkey_tree(struct mlx4_ib_dev *device)
{ … }

static void unregister_pkey_tree(struct mlx4_ib_dev *device)
{ … }

int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *dev)
{ … }

static void unregister_alias_guid_tree(struct mlx4_ib_dev *device)
{ … }

void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device)
{ … }