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@@ -0,0 +1,794 @@
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+/*
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+ * Copyright (c) 2012 Mellanox Technologies. All rights reserved.
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+ *
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+ * This software is available to you under a choice of one of two
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+ * licenses. You may choose to be licensed under the terms of the GNU
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+ * General Public License (GPL) Version 2, available from the file
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+ * COPYING in the main directory of this source tree, or the
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+ * OpenIB.org BSD license below:
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+ *
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+ * Redistribution and use in source and binary forms, with or
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+ * without modification, are permitted provided that the following
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+ * conditions are met:
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+ *
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+ * - Redistributions of source code must retain the above
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+ * copyright notice, this list of conditions and the following
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+ * disclaimer.
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+ *
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+ * - Redistributions in binary form must reproduce the above
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+ * copyright notice, this list of conditions and the following
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+ * disclaimer in the documentation and/or other materials
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+ * provided with the distribution.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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+ * SOFTWARE.
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+ */
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+
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+/*#include "core_priv.h"*/
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+#include "mlx4_ib.h"
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+#include <linux/slab.h>
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+#include <linux/string.h>
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+#include <linux/stat.h>
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+
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+#include <rdma/ib_mad.h>
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+/*show_admin_alias_guid returns the administratively assigned value of that GUID.
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+ * Values returned in buf parameter string:
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+ * 0 - requests opensm to assign a value.
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+ * ffffffffffffffff - delete this entry.
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+ * other - value assigned by administrator.
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+ */
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+static ssize_t show_admin_alias_guid(struct device *dev,
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+ struct device_attribute *attr, char *buf)
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+{
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+ int record_num;/*0-15*/
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+ int guid_index_in_rec; /*0 - 7*/
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+ struct mlx4_ib_iov_sysfs_attr *mlx4_ib_iov_dentry =
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+ container_of(attr, struct mlx4_ib_iov_sysfs_attr, dentry);
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+ struct mlx4_ib_iov_port *port = mlx4_ib_iov_dentry->ctx;
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+ struct mlx4_ib_dev *mdev = port->dev;
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+
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+ record_num = mlx4_ib_iov_dentry->entry_num / 8 ;
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+ guid_index_in_rec = mlx4_ib_iov_dentry->entry_num % 8 ;
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+
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+ return sprintf(buf, "%llx\n",
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+ be64_to_cpu(*(__be64 *)&mdev->sriov.alias_guid.
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+ ports_guid[port->num - 1].
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+ all_rec_per_port[record_num].
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+ all_recs[8 * guid_index_in_rec]));
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+}
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+
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+/* store_admin_alias_guid stores the (new) administratively assigned value of that GUID.
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+ * Values in buf parameter string:
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+ * 0 - requests opensm to assign a value.
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+ * 0xffffffffffffffff - delete this entry.
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+ * other - guid value assigned by the administrator.
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+ */
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+static ssize_t store_admin_alias_guid(struct device *dev,
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+ struct device_attribute *attr,
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+ const char *buf, size_t count)
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+{
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+ int record_num;/*0-15*/
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+ int guid_index_in_rec; /*0 - 7*/
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+ struct mlx4_ib_iov_sysfs_attr *mlx4_ib_iov_dentry =
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+ container_of(attr, struct mlx4_ib_iov_sysfs_attr, dentry);
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+ struct mlx4_ib_iov_port *port = mlx4_ib_iov_dentry->ctx;
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+ struct mlx4_ib_dev *mdev = port->dev;
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+ u64 sysadmin_ag_val;
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+
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+ record_num = mlx4_ib_iov_dentry->entry_num / 8;
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+ guid_index_in_rec = mlx4_ib_iov_dentry->entry_num % 8;
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+ if (0 == record_num && 0 == guid_index_in_rec) {
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+ pr_err("GUID 0 block 0 is RO\n");
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+ return count;
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+ }
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+ sscanf(buf, "%llx", &sysadmin_ag_val);
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+ *(__be64 *)&mdev->sriov.alias_guid.ports_guid[port->num - 1].
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+ all_rec_per_port[record_num].
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+ all_recs[GUID_REC_SIZE * guid_index_in_rec] =
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+ cpu_to_be64(sysadmin_ag_val);
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+
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+ /* Change the state to be pending for update */
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+ mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].status
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+ = MLX4_GUID_INFO_STATUS_IDLE ;
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+
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+ mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].method
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+ = MLX4_GUID_INFO_RECORD_SET;
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+
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+ switch (sysadmin_ag_val) {
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+ case MLX4_GUID_FOR_DELETE_VAL:
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+ mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].method
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+ = MLX4_GUID_INFO_RECORD_DELETE;
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+ mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].ownership
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+ = MLX4_GUID_SYSADMIN_ASSIGN;
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+ break;
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+ /* The sysadmin requests the SM to re-assign */
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+ case MLX4_NOT_SET_GUID:
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+ mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].ownership
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+ = MLX4_GUID_DRIVER_ASSIGN;
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+ break;
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+ /* The sysadmin requests a specific value.*/
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+ default:
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+ mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].ownership
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+ = MLX4_GUID_SYSADMIN_ASSIGN;
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+ break;
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+ }
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+
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+ /* set the record index */
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+ mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].guid_indexes
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+ = mlx4_ib_get_aguid_comp_mask_from_ix(guid_index_in_rec);
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+
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+ mlx4_ib_init_alias_guid_work(mdev, port->num - 1);
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+
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+ return count;
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+}
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+
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+static ssize_t show_port_gid(struct device *dev,
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+ struct device_attribute *attr,
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+ char *buf)
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+{
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+ struct mlx4_ib_iov_sysfs_attr *mlx4_ib_iov_dentry =
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+ container_of(attr, struct mlx4_ib_iov_sysfs_attr, dentry);
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+ struct mlx4_ib_iov_port *port = mlx4_ib_iov_dentry->ctx;
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+ struct mlx4_ib_dev *mdev = port->dev;
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+ union ib_gid gid;
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+ ssize_t ret;
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+
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+ ret = __mlx4_ib_query_gid(&mdev->ib_dev, port->num,
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+ mlx4_ib_iov_dentry->entry_num, &gid, 1);
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+ if (ret)
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+ return ret;
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+ ret = sprintf(buf, "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
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+ be16_to_cpu(((__be16 *) gid.raw)[0]),
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+ be16_to_cpu(((__be16 *) gid.raw)[1]),
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+ be16_to_cpu(((__be16 *) gid.raw)[2]),
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+ be16_to_cpu(((__be16 *) gid.raw)[3]),
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+ be16_to_cpu(((__be16 *) gid.raw)[4]),
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+ be16_to_cpu(((__be16 *) gid.raw)[5]),
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+ be16_to_cpu(((__be16 *) gid.raw)[6]),
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+ be16_to_cpu(((__be16 *) gid.raw)[7]));
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+ return ret;
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+}
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+
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+static ssize_t show_phys_port_pkey(struct device *dev,
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+ struct device_attribute *attr,
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+ char *buf)
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+{
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+ struct mlx4_ib_iov_sysfs_attr *mlx4_ib_iov_dentry =
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+ container_of(attr, struct mlx4_ib_iov_sysfs_attr, dentry);
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+ struct mlx4_ib_iov_port *port = mlx4_ib_iov_dentry->ctx;
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+ struct mlx4_ib_dev *mdev = port->dev;
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+ u16 pkey;
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+ ssize_t ret;
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+
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+ ret = __mlx4_ib_query_pkey(&mdev->ib_dev, port->num,
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+ mlx4_ib_iov_dentry->entry_num, &pkey, 1);
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+ if (ret)
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+ return ret;
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+
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+ return sprintf(buf, "0x%04x\n", pkey);
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+}
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+
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+#define DENTRY_REMOVE(_dentry) \
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+do { \
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+ sysfs_remove_file((_dentry)->kobj, &(_dentry)->dentry.attr); \
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+} while (0);
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+
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+static int create_sysfs_entry(void *_ctx, struct mlx4_ib_iov_sysfs_attr *_dentry,
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+ char *_name, struct kobject *_kobj,
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+ ssize_t (*show)(struct device *dev,
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+ struct device_attribute *attr,
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+ char *buf),
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+ ssize_t (*store)(struct device *dev,
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+ struct device_attribute *attr,
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+ const char *buf, size_t count)
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+ )
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+{
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+ int ret = 0;
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+ struct mlx4_ib_iov_sysfs_attr *vdentry = _dentry;
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+
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+ vdentry->ctx = _ctx;
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+ vdentry->dentry.show = show;
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+ vdentry->dentry.store = store;
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+ sysfs_attr_init(&vdentry->dentry.attr);
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+ vdentry->dentry.attr.name = vdentry->name;
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+ vdentry->dentry.attr.mode = 0;
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+ vdentry->kobj = _kobj;
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+ snprintf(vdentry->name, 15, "%s", _name);
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+
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+ if (vdentry->dentry.store)
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+ vdentry->dentry.attr.mode |= S_IWUSR;
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+
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+ if (vdentry->dentry.show)
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+ vdentry->dentry.attr.mode |= S_IRUGO;
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+
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+ ret = sysfs_create_file(vdentry->kobj, &vdentry->dentry.attr);
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+ if (ret) {
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+ pr_err("failed to create %s\n", vdentry->dentry.attr.name);
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+ vdentry->ctx = NULL;
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+ return ret;
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+ }
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+
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+ return ret;
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+}
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+
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+int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
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+ struct attribute *attr)
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+{
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+ struct mlx4_ib_iov_port *port = &device->iov_ports[port_num - 1];
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+ int ret;
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+
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+ ret = sysfs_create_file(port->mcgs_parent, attr);
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+ if (ret)
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+ pr_err("failed to create %s\n", attr->name);
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+
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+ return ret;
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+}
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+
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+void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
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+ struct attribute *attr)
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+{
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+ struct mlx4_ib_iov_port *port = &device->iov_ports[port_num - 1];
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+
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+ sysfs_remove_file(port->mcgs_parent, attr);
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+}
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+
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+static int add_port_entries(struct mlx4_ib_dev *device, int port_num)
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+{
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+ int i;
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+ char buff[10];
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+ struct mlx4_ib_iov_port *port = NULL;
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+ int ret = 0 ;
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+ struct ib_port_attr attr;
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+
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+ /* get the physical gid and pkey table sizes.*/
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+ ret = __mlx4_ib_query_port(&device->ib_dev, port_num, &attr, 1);
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+ if (ret)
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+ goto err;
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+
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+ port = &device->iov_ports[port_num - 1];
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+ port->dev = device;
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+ port->num = port_num;
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+ /* Directory structure:
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+ * iov -
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+ * port num -
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+ * admin_guids
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+ * gids (operational)
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+ * mcg_table
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+ */
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+ port->dentr_ar = kzalloc(sizeof (struct mlx4_ib_iov_sysfs_attr_ar),
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+ GFP_KERNEL);
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+ if (!port->dentr_ar) {
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+ ret = -ENOMEM;
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+ goto err;
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+ }
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+ sprintf(buff, "%d", port_num);
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+ port->cur_port = kobject_create_and_add(buff,
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+ kobject_get(device->ports_parent));
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+ if (!port->cur_port) {
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+ ret = -ENOMEM;
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+ goto kobj_create_err;
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+ }
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+ /* admin GUIDs */
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+ port->admin_alias_parent = kobject_create_and_add("admin_guids",
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+ kobject_get(port->cur_port));
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+ if (!port->admin_alias_parent) {
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+ ret = -ENOMEM;
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+ goto err_admin_guids;
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+ }
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+ for (i = 0 ; i < attr.gid_tbl_len; i++) {
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+ sprintf(buff, "%d", i);
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+ port->dentr_ar->dentries[i].entry_num = i;
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+ ret = create_sysfs_entry(port, &port->dentr_ar->dentries[i],
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+ buff, port->admin_alias_parent,
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+ show_admin_alias_guid, store_admin_alias_guid);
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+ if (ret)
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+ goto err_admin_alias_parent;
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+ }
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+
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+ /* gids subdirectory (operational gids) */
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+ port->gids_parent = kobject_create_and_add("gids",
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+ kobject_get(port->cur_port));
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+ if (!port->gids_parent) {
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+ ret = -ENOMEM;
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+ goto err_gids;
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+ }
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+
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+ for (i = 0 ; i < attr.gid_tbl_len; i++) {
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+ sprintf(buff, "%d", i);
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+ port->dentr_ar->dentries[attr.gid_tbl_len + i].entry_num = i;
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+ ret = create_sysfs_entry(port,
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+ &port->dentr_ar->dentries[attr.gid_tbl_len + i],
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+ buff,
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+ port->gids_parent, show_port_gid, NULL);
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+ if (ret)
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+ goto err_gids_parent;
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+ }
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+
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+ /* physical port pkey table */
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+ port->pkeys_parent =
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+ kobject_create_and_add("pkeys", kobject_get(port->cur_port));
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+ if (!port->pkeys_parent) {
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+ ret = -ENOMEM;
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+ goto err_pkeys;
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+ }
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+
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+ for (i = 0 ; i < attr.pkey_tbl_len; i++) {
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+ sprintf(buff, "%d", i);
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+ port->dentr_ar->dentries[2 * attr.gid_tbl_len + i].entry_num = i;
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+ ret = create_sysfs_entry(port,
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+ &port->dentr_ar->dentries[2 * attr.gid_tbl_len + i],
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+ buff, port->pkeys_parent,
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+ show_phys_port_pkey, NULL);
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+ if (ret)
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+ goto err_pkeys_parent;
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+ }
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+
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+ /* MCGs table */
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+ port->mcgs_parent =
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+ kobject_create_and_add("mcgs", kobject_get(port->cur_port));
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+ if (!port->mcgs_parent) {
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+ ret = -ENOMEM;
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+ goto err_mcgs;
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+ }
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+ return 0;
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+
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+err_mcgs:
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+ kobject_put(port->cur_port);
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+
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+err_pkeys_parent:
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+ kobject_put(port->pkeys_parent);
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+
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+err_pkeys:
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+ kobject_put(port->cur_port);
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+
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+err_gids_parent:
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+ kobject_put(port->gids_parent);
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+
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+err_gids:
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+ kobject_put(port->cur_port);
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+
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+err_admin_alias_parent:
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+ kobject_put(port->admin_alias_parent);
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+
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+err_admin_guids:
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+ kobject_put(port->cur_port);
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+ kobject_put(port->cur_port); /* once more for create_and_add buff */
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+
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+kobj_create_err:
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+ kobject_put(device->ports_parent);
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+ kfree(port->dentr_ar);
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+
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|
+err:
|
|
|
+ pr_err("add_port_entries FAILED: for port:%d, error: %d\n",
|
|
|
+ port_num, ret);
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static void get_name(struct mlx4_ib_dev *dev, char *name, int i, int max)
|
|
|
+{
|
|
|
+ char base_name[9];
|
|
|
+
|
|
|
+ /* pci_name format is: bus:dev:func -> xxxx:yy:zz.n */
|
|
|
+ strlcpy(name, pci_name(dev->dev->pdev), max);
|
|
|
+ strncpy(base_name, name, 8); /*till xxxx:yy:*/
|
|
|
+ base_name[8] = '\0';
|
|
|
+ /* with no ARI only 3 last bits are used so when the fn is higher than 8
|
|
|
+ * need to add it to the dev num, so count in the last number will be
|
|
|
+ * modulo 8 */
|
|
|
+ sprintf(name, "%s%.2d.%d", base_name, (i/8), (i%8));
|
|
|
+}
|
|
|
+
|
|
|
+struct mlx4_port {
|
|
|
+ struct kobject kobj;
|
|
|
+ struct mlx4_ib_dev *dev;
|
|
|
+ struct attribute_group pkey_group;
|
|
|
+ struct attribute_group gid_group;
|
|
|
+ u8 port_num;
|
|
|
+ int slave;
|
|
|
+};
|
|
|
+
|
|
|
+
|
|
|
+static void mlx4_port_release(struct kobject *kobj)
|
|
|
+{
|
|
|
+ struct mlx4_port *p = container_of(kobj, struct mlx4_port, kobj);
|
|
|
+ struct attribute *a;
|
|
|
+ int i;
|
|
|
+
|
|
|
+ for (i = 0; (a = p->pkey_group.attrs[i]); ++i)
|
|
|
+ kfree(a);
|
|
|
+ kfree(p->pkey_group.attrs);
|
|
|
+ for (i = 0; (a = p->gid_group.attrs[i]); ++i)
|
|
|
+ kfree(a);
|
|
|
+ kfree(p->gid_group.attrs);
|
|
|
+ kfree(p);
|
|
|
+}
|
|
|
+
|
|
|
+struct port_attribute {
|
|
|
+ struct attribute attr;
|
|
|
+ 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);
|
|
|
+};
|
|
|
+
|
|
|
+static ssize_t port_attr_show(struct kobject *kobj,
|
|
|
+ struct attribute *attr, char *buf)
|
|
|
+{
|
|
|
+ struct port_attribute *port_attr =
|
|
|
+ container_of(attr, struct port_attribute, attr);
|
|
|
+ struct mlx4_port *p = container_of(kobj, struct mlx4_port, kobj);
|
|
|
+
|
|
|
+ if (!port_attr->show)
|
|
|
+ return -EIO;
|
|
|
+ return port_attr->show(p, port_attr, buf);
|
|
|
+}
|
|
|
+
|
|
|
+static ssize_t port_attr_store(struct kobject *kobj,
|
|
|
+ struct attribute *attr,
|
|
|
+ const char *buf, size_t size)
|
|
|
+{
|
|
|
+ struct port_attribute *port_attr =
|
|
|
+ container_of(attr, struct port_attribute, attr);
|
|
|
+ struct mlx4_port *p = container_of(kobj, struct mlx4_port, kobj);
|
|
|
+
|
|
|
+ if (!port_attr->store)
|
|
|
+ return -EIO;
|
|
|
+ return port_attr->store(p, port_attr, buf, size);
|
|
|
+}
|
|
|
+
|
|
|
+static const struct sysfs_ops port_sysfs_ops = {
|
|
|
+ .show = port_attr_show,
|
|
|
+ .store = port_attr_store,
|
|
|
+};
|
|
|
+
|
|
|
+static struct kobj_type port_type = {
|
|
|
+ .release = mlx4_port_release,
|
|
|
+ .sysfs_ops = &port_sysfs_ops,
|
|
|
+};
|
|
|
+
|
|
|
+struct port_table_attribute {
|
|
|
+ struct port_attribute attr;
|
|
|
+ char name[8];
|
|
|
+ int index;
|
|
|
+};
|
|
|
+
|
|
|
+static ssize_t show_port_pkey(struct mlx4_port *p, struct port_attribute *attr,
|
|
|
+ char *buf)
|
|
|
+{
|
|
|
+ struct port_table_attribute *tab_attr =
|
|
|
+ container_of(attr, struct port_table_attribute, attr);
|
|
|
+ ssize_t ret = -ENODEV;
|
|
|
+
|
|
|
+ if (p->dev->pkeys.virt2phys_pkey[p->slave][p->port_num - 1][tab_attr->index] >=
|
|
|
+ (p->dev->dev->caps.pkey_table_len[p->port_num]))
|
|
|
+ ret = sprintf(buf, "none\n");
|
|
|
+ else
|
|
|
+ ret = sprintf(buf, "%d\n",
|
|
|
+ p->dev->pkeys.virt2phys_pkey[p->slave]
|
|
|
+ [p->port_num - 1][tab_attr->index]);
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static ssize_t store_port_pkey(struct mlx4_port *p, struct port_attribute *attr,
|
|
|
+ const char *buf, size_t count)
|
|
|
+{
|
|
|
+ struct port_table_attribute *tab_attr =
|
|
|
+ container_of(attr, struct port_table_attribute, attr);
|
|
|
+ int idx;
|
|
|
+ int err;
|
|
|
+
|
|
|
+ /* do not allow remapping Dom0 virtual pkey table */
|
|
|
+ if (p->slave == mlx4_master_func_num(p->dev->dev))
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ if (!strncasecmp(buf, "no", 2))
|
|
|
+ idx = p->dev->dev->phys_caps.pkey_phys_table_len[p->port_num] - 1;
|
|
|
+ else if (sscanf(buf, "%i", &idx) != 1 ||
|
|
|
+ idx >= p->dev->dev->caps.pkey_table_len[p->port_num] ||
|
|
|
+ idx < 0)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ p->dev->pkeys.virt2phys_pkey[p->slave][p->port_num - 1]
|
|
|
+ [tab_attr->index] = idx;
|
|
|
+ mlx4_sync_pkey_table(p->dev->dev, p->slave, p->port_num,
|
|
|
+ tab_attr->index, idx);
|
|
|
+ err = mlx4_gen_pkey_eqe(p->dev->dev, p->slave, p->port_num);
|
|
|
+ if (err) {
|
|
|
+ pr_err("mlx4_gen_pkey_eqe failed for slave %d,"
|
|
|
+ " port %d, index %d\n", p->slave, p->port_num, idx);
|
|
|
+ return err;
|
|
|
+ }
|
|
|
+ return count;
|
|
|
+}
|
|
|
+
|
|
|
+static ssize_t show_port_gid_idx(struct mlx4_port *p,
|
|
|
+ struct port_attribute *attr, char *buf)
|
|
|
+{
|
|
|
+ return sprintf(buf, "%d\n", p->slave);
|
|
|
+}
|
|
|
+
|
|
|
+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)
|
|
|
+{
|
|
|
+ struct attribute **tab_attr;
|
|
|
+ struct port_table_attribute *element;
|
|
|
+ int i;
|
|
|
+
|
|
|
+ tab_attr = kcalloc(1 + len, sizeof (struct attribute *), GFP_KERNEL);
|
|
|
+ if (!tab_attr)
|
|
|
+ return NULL;
|
|
|
+
|
|
|
+ for (i = 0; i < len; i++) {
|
|
|
+ element = kzalloc(sizeof (struct port_table_attribute),
|
|
|
+ GFP_KERNEL);
|
|
|
+ if (!element)
|
|
|
+ goto err;
|
|
|
+ if (snprintf(element->name, sizeof (element->name),
|
|
|
+ "%d", i) >= sizeof (element->name)) {
|
|
|
+ kfree(element);
|
|
|
+ goto err;
|
|
|
+ }
|
|
|
+ sysfs_attr_init(&element->attr.attr);
|
|
|
+ element->attr.attr.name = element->name;
|
|
|
+ if (store) {
|
|
|
+ element->attr.attr.mode = S_IWUSR | S_IRUGO;
|
|
|
+ element->attr.store = store;
|
|
|
+ } else
|
|
|
+ element->attr.attr.mode = S_IRUGO;
|
|
|
+
|
|
|
+ element->attr.show = show;
|
|
|
+ element->index = i;
|
|
|
+ tab_attr[i] = &element->attr.attr;
|
|
|
+ }
|
|
|
+ return tab_attr;
|
|
|
+
|
|
|
+err:
|
|
|
+ while (--i >= 0)
|
|
|
+ kfree(tab_attr[i]);
|
|
|
+ kfree(tab_attr);
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+static int add_port(struct mlx4_ib_dev *dev, int port_num, int slave)
|
|
|
+{
|
|
|
+ struct mlx4_port *p;
|
|
|
+ int i;
|
|
|
+ int ret;
|
|
|
+
|
|
|
+ p = kzalloc(sizeof *p, GFP_KERNEL);
|
|
|
+ if (!p)
|
|
|
+ return -ENOMEM;
|
|
|
+
|
|
|
+ p->dev = dev;
|
|
|
+ p->port_num = port_num;
|
|
|
+ p->slave = slave;
|
|
|
+
|
|
|
+ ret = kobject_init_and_add(&p->kobj, &port_type,
|
|
|
+ kobject_get(dev->dev_ports_parent[slave]),
|
|
|
+ "%d", port_num);
|
|
|
+ if (ret)
|
|
|
+ goto err_alloc;
|
|
|
+
|
|
|
+ p->pkey_group.name = "pkey_idx";
|
|
|
+ p->pkey_group.attrs =
|
|
|
+ alloc_group_attrs(show_port_pkey, store_port_pkey,
|
|
|
+ dev->dev->caps.pkey_table_len[port_num]);
|
|
|
+ if (!p->pkey_group.attrs)
|
|
|
+ goto err_alloc;
|
|
|
+
|
|
|
+ ret = sysfs_create_group(&p->kobj, &p->pkey_group);
|
|
|
+ if (ret)
|
|
|
+ goto err_free_pkey;
|
|
|
+
|
|
|
+ p->gid_group.name = "gid_idx";
|
|
|
+ p->gid_group.attrs = alloc_group_attrs(show_port_gid_idx, NULL, 1);
|
|
|
+ if (!p->gid_group.attrs)
|
|
|
+ goto err_free_pkey;
|
|
|
+
|
|
|
+ ret = sysfs_create_group(&p->kobj, &p->gid_group);
|
|
|
+ if (ret)
|
|
|
+ goto err_free_gid;
|
|
|
+
|
|
|
+ list_add_tail(&p->kobj.entry, &dev->pkeys.pkey_port_list[slave]);
|
|
|
+ return 0;
|
|
|
+
|
|
|
+err_free_gid:
|
|
|
+ kfree(p->gid_group.attrs[0]);
|
|
|
+ kfree(p->gid_group.attrs);
|
|
|
+
|
|
|
+err_free_pkey:
|
|
|
+ for (i = 0; i < dev->dev->caps.pkey_table_len[port_num]; ++i)
|
|
|
+ kfree(p->pkey_group.attrs[i]);
|
|
|
+ kfree(p->pkey_group.attrs);
|
|
|
+
|
|
|
+err_alloc:
|
|
|
+ kobject_put(dev->dev_ports_parent[slave]);
|
|
|
+ kfree(p);
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static int register_one_pkey_tree(struct mlx4_ib_dev *dev, int slave)
|
|
|
+{
|
|
|
+ char name[32];
|
|
|
+ int err;
|
|
|
+ int port;
|
|
|
+ struct kobject *p, *t;
|
|
|
+ struct mlx4_port *mport;
|
|
|
+
|
|
|
+ get_name(dev, name, slave, sizeof name);
|
|
|
+
|
|
|
+ dev->pkeys.device_parent[slave] =
|
|
|
+ kobject_create_and_add(name, kobject_get(dev->iov_parent));
|
|
|
+
|
|
|
+ if (!dev->pkeys.device_parent[slave]) {
|
|
|
+ err = -ENOMEM;
|
|
|
+ goto fail_dev;
|
|
|
+ }
|
|
|
+
|
|
|
+ INIT_LIST_HEAD(&dev->pkeys.pkey_port_list[slave]);
|
|
|
+
|
|
|
+ dev->dev_ports_parent[slave] =
|
|
|
+ kobject_create_and_add("ports",
|
|
|
+ kobject_get(dev->pkeys.device_parent[slave]));
|
|
|
+
|
|
|
+ if (!dev->dev_ports_parent[slave]) {
|
|
|
+ err = -ENOMEM;
|
|
|
+ goto err_ports;
|
|
|
+ }
|
|
|
+
|
|
|
+ for (port = 1; port <= dev->dev->caps.num_ports; ++port) {
|
|
|
+ err = add_port(dev, port, slave);
|
|
|
+ if (err)
|
|
|
+ goto err_add;
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+
|
|
|
+err_add:
|
|
|
+ list_for_each_entry_safe(p, t,
|
|
|
+ &dev->pkeys.pkey_port_list[slave],
|
|
|
+ entry) {
|
|
|
+ list_del(&p->entry);
|
|
|
+ mport = container_of(p, struct mlx4_port, kobj);
|
|
|
+ sysfs_remove_group(p, &mport->pkey_group);
|
|
|
+ sysfs_remove_group(p, &mport->gid_group);
|
|
|
+ kobject_put(p);
|
|
|
+ }
|
|
|
+ kobject_put(dev->dev_ports_parent[slave]);
|
|
|
+
|
|
|
+err_ports:
|
|
|
+ kobject_put(dev->pkeys.device_parent[slave]);
|
|
|
+ /* extra put for the device_parent create_and_add */
|
|
|
+ kobject_put(dev->pkeys.device_parent[slave]);
|
|
|
+
|
|
|
+fail_dev:
|
|
|
+ kobject_put(dev->iov_parent);
|
|
|
+ return err;
|
|
|
+}
|
|
|
+
|
|
|
+static int register_pkey_tree(struct mlx4_ib_dev *device)
|
|
|
+{
|
|
|
+ int i;
|
|
|
+
|
|
|
+ if (!mlx4_is_master(device->dev))
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ for (i = 0; i <= device->dev->num_vfs; ++i)
|
|
|
+ register_one_pkey_tree(device, i);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static void unregister_pkey_tree(struct mlx4_ib_dev *device)
|
|
|
+{
|
|
|
+ int slave;
|
|
|
+ struct kobject *p, *t;
|
|
|
+ struct mlx4_port *port;
|
|
|
+
|
|
|
+ if (!mlx4_is_master(device->dev))
|
|
|
+ return;
|
|
|
+
|
|
|
+ for (slave = device->dev->num_vfs; slave >= 0; --slave) {
|
|
|
+ list_for_each_entry_safe(p, t,
|
|
|
+ &device->pkeys.pkey_port_list[slave],
|
|
|
+ entry) {
|
|
|
+ list_del(&p->entry);
|
|
|
+ port = container_of(p, struct mlx4_port, kobj);
|
|
|
+ sysfs_remove_group(p, &port->pkey_group);
|
|
|
+ sysfs_remove_group(p, &port->gid_group);
|
|
|
+ kobject_put(p);
|
|
|
+ kobject_put(device->dev_ports_parent[slave]);
|
|
|
+ }
|
|
|
+ kobject_put(device->dev_ports_parent[slave]);
|
|
|
+ kobject_put(device->pkeys.device_parent[slave]);
|
|
|
+ kobject_put(device->pkeys.device_parent[slave]);
|
|
|
+ kobject_put(device->iov_parent);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *dev)
|
|
|
+{
|
|
|
+ int i;
|
|
|
+ int ret = 0;
|
|
|
+
|
|
|
+ if (!mlx4_is_master(dev->dev))
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ dev->iov_parent =
|
|
|
+ kobject_create_and_add("iov",
|
|
|
+ kobject_get(dev->ib_dev.ports_parent->parent));
|
|
|
+ if (!dev->iov_parent) {
|
|
|
+ ret = -ENOMEM;
|
|
|
+ goto err;
|
|
|
+ }
|
|
|
+ dev->ports_parent =
|
|
|
+ kobject_create_and_add("ports",
|
|
|
+ kobject_get(dev->iov_parent));
|
|
|
+ if (!dev->iov_parent) {
|
|
|
+ ret = -ENOMEM;
|
|
|
+ goto err_ports;
|
|
|
+ }
|
|
|
+
|
|
|
+ for (i = 1; i <= dev->ib_dev.phys_port_cnt; ++i) {
|
|
|
+ ret = add_port_entries(dev, i);
|
|
|
+ if (ret)
|
|
|
+ goto err_add_entries;
|
|
|
+ }
|
|
|
+
|
|
|
+ ret = register_pkey_tree(dev);
|
|
|
+ if (ret)
|
|
|
+ goto err_add_entries;
|
|
|
+ return 0;
|
|
|
+
|
|
|
+err_add_entries:
|
|
|
+ kobject_put(dev->ports_parent);
|
|
|
+
|
|
|
+err_ports:
|
|
|
+ kobject_put(dev->iov_parent);
|
|
|
+err:
|
|
|
+ kobject_put(dev->ib_dev.ports_parent->parent);
|
|
|
+ pr_err("mlx4_ib_device_register_sysfs error (%d)\n", ret);
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static void unregister_alias_guid_tree(struct mlx4_ib_dev *device)
|
|
|
+{
|
|
|
+ struct mlx4_ib_iov_port *p;
|
|
|
+ int i;
|
|
|
+
|
|
|
+ if (!mlx4_is_master(device->dev))
|
|
|
+ return;
|
|
|
+
|
|
|
+ for (i = 0; i < device->dev->caps.num_ports; i++) {
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|
|
+ p = &device->iov_ports[i];
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|
|
+ kobject_put(p->admin_alias_parent);
|
|
|
+ kobject_put(p->gids_parent);
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|
|
+ kobject_put(p->pkeys_parent);
|
|
|
+ kobject_put(p->mcgs_parent);
|
|
|
+ kobject_put(p->cur_port);
|
|
|
+ kobject_put(p->cur_port);
|
|
|
+ kobject_put(p->cur_port);
|
|
|
+ kobject_put(p->cur_port);
|
|
|
+ kobject_put(p->cur_port);
|
|
|
+ kobject_put(p->dev->ports_parent);
|
|
|
+ kfree(p->dentr_ar);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device)
|
|
|
+{
|
|
|
+ unregister_alias_guid_tree(device);
|
|
|
+ unregister_pkey_tree(device);
|
|
|
+ kobject_put(device->ports_parent);
|
|
|
+ kobject_put(device->iov_parent);
|
|
|
+ kobject_put(device->iov_parent);
|
|
|
+ kobject_put(device->ib_dev.ports_parent->parent);
|
|
|
+}
|
Jack Morgenstein