/*
* Change the port configuration of the device.
* Every user of this function must hold the port mutex.
*/
int mlx4_change_port_types(struct mlx4_dev *dev,
enum mlx4_port_type *port_types)
{
int err = 0;
int change = 0;
int port;
for (port = 0; port < dev->caps.num_ports; port++) {
/* Change the port type only if the new type is different
* from the current, and not set to Auto */
if (port_types[port] != dev->caps.port_type[port + 1]) {
change = 1;
dev->caps.port_type[port + 1] = port_types[port];
}
}
if (change) {
mlx4_unregister_device(dev);
for (port = 1; port <= dev->caps.num_ports; port++) {
mlx4_CLOSE_PORT(dev, port);
err = mlx4_SET_PORT(dev, port);
if (err) {
mlx4_err(dev, "Failed to set port %d, "
"aborting\n", port);
goto out;
}
}
mlx4_set_port_mask(dev);
err = mlx4_register_device(dev);
}
out:
return err;
}
int mlx4_change_port_types(struct mlx4_dev *dev,
enum mlx4_port_type *port_types)
{
int err = 0;
int change = 0;
int port;
for (port = 0; port < dev->caps.num_ports; port++) {
if (port_types[port] != dev->caps.port_type[port + 1]) {
change = 1;
dev->caps.port_type[port + 1] = port_types[port];
}
}
if (change) {
mlx4_unregister_device(dev);
for (port = 1; port <= dev->caps.num_ports; port++) {
mlx4_CLOSE_PORT(dev, port);
err = mlx4_SET_PORT(dev, port);
if (err) {
mlx4_err(dev, "Failed to set port %d, "
"aborting\n", port);
goto out;
}
}
mlx4_set_port_mask(dev);
err = mlx4_register_device(dev);
}
out:
return err;
}
static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask,
struct ib_port_modify *props)
{
struct ib_port_attr attr;
u32 cap_mask;
int err;
mutex_lock(&to_mdev(ibdev)->cap_mask_mutex);
err = mlx4_ib_query_port(ibdev, port, &attr);
if (err)
goto out;
cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) &
~props->clr_port_cap_mask;
err = mlx4_SET_PORT(to_mdev(ibdev), port,
!!(mask & IB_PORT_RESET_QKEY_CNTR),
cap_mask);
out:
mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex);
return err;
}
static int mlx4_setup_hca(struct mlx4_dev *dev)
{
struct mlx4_priv *priv = mlx4_priv(dev);
int err;
int port;
__be32 ib_port_default_caps;
err = mlx4_init_uar_table(dev);
if (err) {
mlx4_err(dev, "Failed to initialize "
"user access region table, aborting.\n");
return err;
}
err = mlx4_uar_alloc(dev, &priv->driver_uar);
if (err) {
mlx4_err(dev, "Failed to allocate driver access region, "
"aborting.\n");
goto err_uar_table_free;
}
priv->kar = ioremap(priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
if (!priv->kar) {
mlx4_err(dev, "Couldn't map kernel access region, "
"aborting.\n");
err = -ENOMEM;
goto err_uar_free;
}
err = mlx4_init_pd_table(dev);
if (err) {
mlx4_err(dev, "Failed to initialize "
"protection domain table, aborting.\n");
goto err_kar_unmap;
}
err = mlx4_init_mr_table(dev);
if (err) {
mlx4_err(dev, "Failed to initialize "
"memory region table, aborting.\n");
goto err_pd_table_free;
}
err = mlx4_init_eq_table(dev);
if (err) {
mlx4_err(dev, "Failed to initialize "
"event queue table, aborting.\n");
goto err_mr_table_free;
}
err = mlx4_cmd_use_events(dev);
if (err) {
mlx4_err(dev, "Failed to switch to event-driven "
"firmware commands, aborting.\n");
goto err_eq_table_free;
}
err = mlx4_NOP(dev);
if (err) {
if (dev->flags & MLX4_FLAG_MSI_X) {
mlx4_warn(dev, "NOP command failed to generate MSI-X "
"interrupt IRQ %d).\n",
priv->eq_table.eq[dev->caps.num_comp_vectors].irq);
mlx4_warn(dev, "Trying again without MSI-X.\n");
} else {
mlx4_err(dev, "NOP command failed to generate interrupt "
"(IRQ %d), aborting.\n",
priv->eq_table.eq[dev->caps.num_comp_vectors].irq);
mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n");
}
goto err_cmd_poll;
}
mlx4_dbg(dev, "NOP command IRQ test passed\n");
err = mlx4_init_cq_table(dev);
if (err) {
mlx4_err(dev, "Failed to initialize "
"completion queue table, aborting.\n");
goto err_cmd_poll;
}
err = mlx4_init_srq_table(dev);
if (err) {
mlx4_err(dev, "Failed to initialize "
"shared receive queue table, aborting.\n");
goto err_cq_table_free;
}
err = mlx4_init_qp_table(dev);
if (err) {
mlx4_err(dev, "Failed to initialize "
"queue pair table, aborting.\n");
goto err_srq_table_free;
}
err = mlx4_init_mcg_table(dev);
if (err) {
mlx4_err(dev, "Failed to initialize "
"multicast group table, aborting.\n");
goto err_qp_table_free;
}
for (port = 1; port <= dev->caps.num_ports; port++) {
ib_port_default_caps = 0;
err = mlx4_get_port_ib_caps(dev, port, &ib_port_default_caps);
if (err)
mlx4_warn(dev, "failed to get port %d default "
"ib capabilities (%d). Continuing with "
"caps = 0\n", port, err);
dev->caps.ib_port_def_cap[port] = ib_port_default_caps;
err = mlx4_SET_PORT(dev, port);
if (err) {
mlx4_err(dev, "Failed to set port %d, aborting\n",
port);
goto err_mcg_table_free;
}
}
return 0;
err_mcg_table_free:
mlx4_cleanup_mcg_table(dev);
err_qp_table_free:
mlx4_cleanup_qp_table(dev);
err_srq_table_free:
mlx4_cleanup_srq_table(dev);
err_cq_table_free:
mlx4_cleanup_cq_table(dev);
err_cmd_poll:
mlx4_cmd_use_polling(dev);
err_eq_table_free:
mlx4_cleanup_eq_table(dev);
err_mr_table_free:
mlx4_cleanup_mr_table(dev);
err_pd_table_free:
mlx4_cleanup_pd_table(dev);
err_kar_unmap:
iounmap(priv->kar);
err_uar_free:
mlx4_uar_free(dev, &priv->driver_uar);
err_uar_table_free:
mlx4_cleanup_uar_table(dev);
return err;
}