diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4/sysfs.c')
-rw-r--r-- | drivers/infiniband/hw/mlx4/sysfs.c | 44 |
1 files changed, 12 insertions, 32 deletions
diff --git a/drivers/infiniband/hw/mlx4/sysfs.c b/drivers/infiniband/hw/mlx4/sysfs.c index d10c2b8a5dad..6797108ce873 100644 --- a/drivers/infiniband/hw/mlx4/sysfs.c +++ b/drivers/infiniband/hw/mlx4/sysfs.c @@ -46,21 +46,17 @@ static ssize_t show_admin_alias_guid(struct device *dev, struct device_attribute *attr, char *buf) { - int record_num;/*0-15*/ - int guid_index_in_rec; /*0 - 7*/ struct mlx4_ib_iov_sysfs_attr *mlx4_ib_iov_dentry = container_of(attr, struct mlx4_ib_iov_sysfs_attr, dentry); struct mlx4_ib_iov_port *port = mlx4_ib_iov_dentry->ctx; struct mlx4_ib_dev *mdev = port->dev; + __be64 sysadmin_ag_val; - record_num = mlx4_ib_iov_dentry->entry_num / 8 ; - guid_index_in_rec = mlx4_ib_iov_dentry->entry_num % 8 ; + sysadmin_ag_val = mlx4_get_admin_guid(mdev->dev, + mlx4_ib_iov_dentry->entry_num, + port->num); - return sprintf(buf, "%llx\n", - be64_to_cpu(*(__be64 *)&mdev->sriov.alias_guid. - ports_guid[port->num - 1]. - all_rec_per_port[record_num]. - all_recs[8 * guid_index_in_rec])); + return sprintf(buf, "%llx\n", be64_to_cpu(sysadmin_ag_val)); } /* store_admin_alias_guid stores the (new) administratively assigned value of that GUID. @@ -80,6 +76,7 @@ static ssize_t store_admin_alias_guid(struct device *dev, struct mlx4_ib_iov_port *port = mlx4_ib_iov_dentry->ctx; struct mlx4_ib_dev *mdev = port->dev; u64 sysadmin_ag_val; + unsigned long flags; record_num = mlx4_ib_iov_dentry->entry_num / 8; guid_index_in_rec = mlx4_ib_iov_dentry->entry_num % 8; @@ -87,6 +84,7 @@ static ssize_t store_admin_alias_guid(struct device *dev, pr_err("GUID 0 block 0 is RO\n"); return count; } + spin_lock_irqsave(&mdev->sriov.alias_guid.ag_work_lock, flags); sscanf(buf, "%llx", &sysadmin_ag_val); *(__be64 *)&mdev->sriov.alias_guid.ports_guid[port->num - 1]. all_rec_per_port[record_num]. @@ -96,33 +94,15 @@ static ssize_t store_admin_alias_guid(struct device *dev, /* Change the state to be pending for update */ mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].status = MLX4_GUID_INFO_STATUS_IDLE ; - - mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].method - = MLX4_GUID_INFO_RECORD_SET; - - switch (sysadmin_ag_val) { - case MLX4_GUID_FOR_DELETE_VAL: - mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].method - = MLX4_GUID_INFO_RECORD_DELETE; - mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].ownership - = MLX4_GUID_SYSADMIN_ASSIGN; - break; - /* The sysadmin requests the SM to re-assign */ - case MLX4_NOT_SET_GUID: - mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].ownership - = MLX4_GUID_DRIVER_ASSIGN; - break; - /* The sysadmin requests a specific value.*/ - default: - mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].ownership - = MLX4_GUID_SYSADMIN_ASSIGN; - break; - } + mlx4_set_admin_guid(mdev->dev, cpu_to_be64(sysadmin_ag_val), + mlx4_ib_iov_dentry->entry_num, + port->num); /* set the record index */ mdev->sriov.alias_guid.ports_guid[port->num - 1].all_rec_per_port[record_num].guid_indexes - = mlx4_ib_get_aguid_comp_mask_from_ix(guid_index_in_rec); + |= mlx4_ib_get_aguid_comp_mask_from_ix(guid_index_in_rec); + spin_unlock_irqrestore(&mdev->sriov.alias_guid.ag_work_lock, flags); mlx4_ib_init_alias_guid_work(mdev, port->num - 1); return count; |