void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev)
{
int i;
struct mlx4_ib_sriov *sriov = &dev->sriov;
struct mlx4_alias_guid_work_context *cb_ctx;
struct mlx4_sriov_alias_guid_port_rec_det *det;
struct ib_sa_query *sa_query;
unsigned long flags;
for (i = 0 ; i < dev->num_ports; i++) {
cancel_delayed_work(&dev->sriov.alias_guid.ports_guid[i].alias_guid_work);
det = &sriov->alias_guid.ports_guid[i];
spin_lock_irqsave(&sriov->alias_guid.ag_work_lock, flags);
while (!list_empty(&det->cb_list)) {
cb_ctx = list_entry(det->cb_list.next,
struct mlx4_alias_guid_work_context,
list);
sa_query = cb_ctx->sa_query;
cb_ctx->sa_query = NULL;
list_del(&cb_ctx->list);
spin_unlock_irqrestore(&sriov->alias_guid.ag_work_lock, flags);
ib_sa_cancel_query(cb_ctx->query_id, sa_query);
wait_for_completion(&cb_ctx->done);
kfree(cb_ctx);
spin_lock_irqsave(&sriov->alias_guid.ag_work_lock, flags);
}
spin_unlock_irqrestore(&sriov->alias_guid.ag_work_lock, flags);
}
for (i = 0 ; i < dev->num_ports; i++) {
flush_workqueue(dev->sriov.alias_guid.ports_guid[i].wq);
destroy_workqueue(dev->sriov.alias_guid.ports_guid[i].wq);
}
ib_sa_unregister_client(dev->sriov.alias_guid.sa_client);
kfree(dev->sriov.alias_guid.sa_client);
}
static void __exit verbs_exit (void)
{
if (sock)
sock_release (sock);
del_timer (&verbs_timer);
ib_unregister_client (&client);
ib_sa_unregister_client(&verbs_sa_client);
}
int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev)
{
char alias_wq_name[15];
int ret = 0;
int i, j, k;
union ib_gid gid;
if (!mlx4_is_master(dev->dev))
return 0;
dev->sriov.alias_guid.sa_client =
kzalloc(sizeof *dev->sriov.alias_guid.sa_client, GFP_KERNEL);
if (!dev->sriov.alias_guid.sa_client)
return -ENOMEM;
ib_sa_register_client(dev->sriov.alias_guid.sa_client);
spin_lock_init(&dev->sriov.alias_guid.ag_work_lock);
for (i = 1; i <= dev->num_ports; ++i) {
if (dev->ib_dev.query_gid(&dev->ib_dev , i, 0, &gid)) {
ret = -EFAULT;
goto err_unregister;
}
}
for (i = 0 ; i < dev->num_ports; i++) {
memset(&dev->sriov.alias_guid.ports_guid[i], 0,
sizeof (struct mlx4_sriov_alias_guid_port_rec_det));
/*Check if the SM doesn't need to assign the GUIDs*/
for (j = 0; j < NUM_ALIAS_GUID_REC_IN_PORT; j++) {
if (mlx4_ib_sm_guid_assign) {
dev->sriov.alias_guid.ports_guid[i].
all_rec_per_port[j].
ownership = MLX4_GUID_DRIVER_ASSIGN;
continue;
}
dev->sriov.alias_guid.ports_guid[i].all_rec_per_port[j].
ownership = MLX4_GUID_NONE_ASSIGN;
/*mark each val as it was deleted,
till the sysAdmin will give it valid val*/
for (k = 0; k < NUM_ALIAS_GUID_IN_REC; k++) {
*(__be64 *)&dev->sriov.alias_guid.ports_guid[i].
all_rec_per_port[j].all_recs[GUID_REC_SIZE * k] =
cpu_to_be64(MLX4_GUID_FOR_DELETE_VAL);
}
}
INIT_LIST_HEAD(&dev->sriov.alias_guid.ports_guid[i].cb_list);
/*prepare the records, set them to be allocated by sm*/
for (j = 0 ; j < NUM_ALIAS_GUID_REC_IN_PORT; j++)
invalidate_guid_record(dev, i + 1, j);
dev->sriov.alias_guid.ports_guid[i].parent = &dev->sriov.alias_guid;
dev->sriov.alias_guid.ports_guid[i].port = i;
if (mlx4_ib_sm_guid_assign)
set_all_slaves_guids(dev, i);
snprintf(alias_wq_name, sizeof alias_wq_name, "alias_guid%d", i);
dev->sriov.alias_guid.ports_guid[i].wq =
create_singlethread_workqueue(alias_wq_name);
if (!dev->sriov.alias_guid.ports_guid[i].wq) {
ret = -ENOMEM;
goto err_thread;
}
INIT_DELAYED_WORK(&dev->sriov.alias_guid.ports_guid[i].alias_guid_work,
alias_guid_work);
}
return 0;
err_thread:
for (--i; i >= 0; i--) {
destroy_workqueue(dev->sriov.alias_guid.ports_guid[i].wq);
dev->sriov.alias_guid.ports_guid[i].wq = NULL;
}
err_unregister:
ib_sa_unregister_client(dev->sriov.alias_guid.sa_client);
kfree(dev->sriov.alias_guid.sa_client);
dev->sriov.alias_guid.sa_client = NULL;
pr_err("init_alias_guid_service: Failed. (ret:%d)\n", ret);
return ret;
}
