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path: root/drivers/infiniband/hw/mlx4/sysfs.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx4/sysfs.c')
-rw-r--r--drivers/infiniband/hw/mlx4/sysfs.c44
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;