}
static struct mlx4_roce_gid_entry zgid_entry;
-int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave)
+int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port)
{
+ int vfs;
+ int slave_gid = slave;
+ unsigned i;
+ struct mlx4_slaves_pport slaves_pport;
+ struct mlx4_active_ports actv_ports;
+ unsigned max_port_p_one;
+
if (slave == 0)
return MLX4_ROCE_PF_GIDS;
- if (slave <= ((MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) % dev->num_vfs))
- return ((MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) / dev->num_vfs) + 1;
- return (MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) / dev->num_vfs;
+
+ /* Slave is a VF */
+ slaves_pport = mlx4_phys_to_slaves_pport(dev, port);
+ actv_ports = mlx4_get_active_ports(dev, slave);
+ max_port_p_one = find_first_bit(actv_ports.ports, dev->caps.num_ports) +
+ bitmap_weight(actv_ports.ports, dev->caps.num_ports) + 1;
+
+ for (i = 1; i < max_port_p_one; i++) {
+ struct mlx4_active_ports exclusive_ports;
+ struct mlx4_slaves_pport slaves_pport_actv;
+ bitmap_zero(exclusive_ports.ports, dev->caps.num_ports);
+ set_bit(i - 1, exclusive_ports.ports);
+ if (i == port)
+ continue;
+ slaves_pport_actv = mlx4_phys_to_slaves_pport_actv(
+ dev, &exclusive_ports);
+ slave_gid -= bitmap_weight(slaves_pport_actv.slaves,
+ dev->num_vfs + 1);
+ }
+ vfs = bitmap_weight(slaves_pport.slaves, dev->num_vfs + 1) - 1;
+ if (slave_gid <= ((MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) % vfs))
+ return ((MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) / vfs) + 1;
+ return (MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) / vfs;
}
-int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave)
+int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port)
{
int gids;
+ unsigned i;
+ int slave_gid = slave;
int vfs;
- gids = MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS;
- vfs = dev->num_vfs;
+ struct mlx4_slaves_pport slaves_pport;
+ struct mlx4_active_ports actv_ports;
+ unsigned max_port_p_one;
if (slave == 0)
return 0;
- if (slave <= gids % vfs)
- return MLX4_ROCE_PF_GIDS + ((gids / vfs) + 1) * (slave - 1);
- return MLX4_ROCE_PF_GIDS + (gids % vfs) + ((gids / vfs) * (slave - 1));
+ slaves_pport = mlx4_phys_to_slaves_pport(dev, port);
+ actv_ports = mlx4_get_active_ports(dev, slave);
+ max_port_p_one = find_first_bit(actv_ports.ports, dev->caps.num_ports) +
+ bitmap_weight(actv_ports.ports, dev->caps.num_ports) + 1;
+
+ for (i = 1; i < max_port_p_one; i++) {
+ struct mlx4_active_ports exclusive_ports;
+ struct mlx4_slaves_pport slaves_pport_actv;
+ bitmap_zero(exclusive_ports.ports, dev->caps.num_ports);
+ set_bit(i - 1, exclusive_ports.ports);
+ if (i == port)
+ continue;
+ slaves_pport_actv = mlx4_phys_to_slaves_pport_actv(
+ dev, &exclusive_ports);
+ slave_gid -= bitmap_weight(slaves_pport_actv.slaves,
+ dev->num_vfs + 1);
+ }
+ gids = MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS;
+ vfs = bitmap_weight(slaves_pport.slaves, dev->num_vfs + 1) - 1;
+ if (slave_gid <= gids % vfs)
+ return MLX4_ROCE_PF_GIDS + ((gids / vfs) + 1) * (slave_gid - 1);
+
+ return MLX4_ROCE_PF_GIDS + (gids % vfs) +
+ ((gids / vfs) * (slave_gid - 1));
}
+EXPORT_SYMBOL_GPL(mlx4_get_base_gid_ix);
static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod,
u8 op_mod, struct mlx4_cmd_mailbox *inbox)
* need a FOR-loop here over number of gids the guest has.
* 1. Check no duplicates in gids passed by slave
*/
- num_gids = mlx4_get_slave_num_gids(dev, slave);
- base = mlx4_get_base_gid_ix(dev, slave);
+ num_gids = mlx4_get_slave_num_gids(dev, slave, port);
+ base = mlx4_get_base_gid_ix(dev, slave, port);
gid_entry_mbox = (struct mlx4_roce_gid_entry *)(inbox->buf);
for (i = 0; i < num_gids; gid_entry_mbox++, i++) {
if (!memcmp(gid_entry_mbox->raw, zgid_entry.raw,
struct mlx4_cmd_mailbox *outbox,
struct mlx4_cmd_info *cmd)
{
+ int port = mlx4_slave_convert_port(
+ dev, slave, vhcr->in_modifier & 0xFF);
+
+ if (port < 0)
+ return -EINVAL;
+
+ vhcr->in_modifier = (vhcr->in_modifier & ~0xFF) |
+ (port & 0xFF);
+
return mlx4_common_set_port(dev, slave, vhcr->in_modifier,
vhcr->op_modifier, inbox);
}
struct mlx4_priv *priv = mlx4_priv(dev);
int i, found_ix = -1;
int vf_gids = MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS;
+ struct mlx4_slaves_pport slaves_pport;
+ unsigned num_vfs;
+ int slave_gid;
if (!mlx4_is_mfunc(dev))
return -EINVAL;
+ slaves_pport = mlx4_phys_to_slaves_pport(dev, port);
+ num_vfs = bitmap_weight(slaves_pport.slaves, dev->num_vfs + 1) - 1;
+
for (i = 0; i < MLX4_ROCE_MAX_GIDS; i++) {
if (!memcmp(priv->roce_gids[port - 1][i].raw, gid, 16)) {
found_ix = i;
if (found_ix >= 0) {
if (found_ix < MLX4_ROCE_PF_GIDS)
- *slave_id = 0;
- else if (found_ix < MLX4_ROCE_PF_GIDS + (vf_gids % dev->num_vfs) *
- (vf_gids / dev->num_vfs + 1))
- *slave_id = ((found_ix - MLX4_ROCE_PF_GIDS) /
- (vf_gids / dev->num_vfs + 1)) + 1;
+ slave_gid = 0;
+ else if (found_ix < MLX4_ROCE_PF_GIDS + (vf_gids % num_vfs) *
+ (vf_gids / num_vfs + 1))
+ slave_gid = ((found_ix - MLX4_ROCE_PF_GIDS) /
+ (vf_gids / num_vfs + 1)) + 1;
else
- *slave_id =
+ slave_gid =
((found_ix - MLX4_ROCE_PF_GIDS -
- ((vf_gids % dev->num_vfs) * ((vf_gids / dev->num_vfs + 1)))) /
- (vf_gids / dev->num_vfs)) + vf_gids % dev->num_vfs + 1;
+ ((vf_gids % num_vfs) * ((vf_gids / num_vfs + 1)))) /
+ (vf_gids / num_vfs)) + vf_gids % num_vfs + 1;
+
+ if (slave_gid) {
+ struct mlx4_active_ports exclusive_ports;
+ struct mlx4_active_ports actv_ports;
+ struct mlx4_slaves_pport slaves_pport_actv;
+ unsigned max_port_p_one;
+ int num_slaves_before = 1;
+
+ for (i = 1; i < port; i++) {
+ bitmap_zero(exclusive_ports.ports, dev->caps.num_ports);
+ set_bit(i, exclusive_ports.ports);
+ slaves_pport_actv =
+ mlx4_phys_to_slaves_pport_actv(
+ dev, &exclusive_ports);
+ num_slaves_before += bitmap_weight(
+ slaves_pport_actv.slaves,
+ dev->num_vfs + 1);
+ }
+
+ if (slave_gid < num_slaves_before) {
+ bitmap_zero(exclusive_ports.ports, dev->caps.num_ports);
+ set_bit(port - 1, exclusive_ports.ports);
+ slaves_pport_actv =
+ mlx4_phys_to_slaves_pport_actv(
+ dev, &exclusive_ports);
+ slave_gid += bitmap_weight(
+ slaves_pport_actv.slaves,
+ dev->num_vfs + 1) -
+ num_slaves_before;
+ }
+ actv_ports = mlx4_get_active_ports(dev, slave_gid);
+ max_port_p_one = find_first_bit(
+ actv_ports.ports, dev->caps.num_ports) +
+ bitmap_weight(actv_ports.ports,
+ dev->caps.num_ports) + 1;
+
+ for (i = 1; i < max_port_p_one; i++) {
+ if (i == port)
+ continue;
+ bitmap_zero(exclusive_ports.ports,
+ dev->caps.num_ports);
+ set_bit(i - 1, exclusive_ports.ports);
+ slaves_pport_actv =
+ mlx4_phys_to_slaves_pport_actv(
+ dev, &exclusive_ports);
+ slave_gid += bitmap_weight(
+ slaves_pport_actv.slaves,
+ dev->num_vfs + 1);
+ }
+ }
+ *slave_id = slave_gid;
}
return (found_ix >= 0) ? 0 : -EINVAL;
projects / cascardo / linux.git / blobdiff