diff options
| author | Yishai Hadas <yishaih@mellanox.com> | 2015-01-25 16:59:35 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-01-25 14:43:13 -0800 |
| commit | 872bf2fb69d90e3619befee842fc26db39d8e475 (patch) | |
| tree | cd57553d6b75b48bf75a9aa6c4358fbed88e7b4a /drivers/net/ethernet/mellanox/mlx4/port.c | |
| parent | 7aee42c6764bae75d0eb2f674f0874193de90c05 (diff) | |
net/mlx4_core: Maintain a persistent memory for mlx4 device
Maintain a persistent memory that should survive reset flow/PCI error.
This comes as a preparation for coming series to support above flows.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/port.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/port.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 30eb1ead0fe6..9f268f05290a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -553,9 +553,9 @@ int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port) slaves_pport_actv = mlx4_phys_to_slaves_pport_actv( dev, &exclusive_ports); slave_gid -= bitmap_weight(slaves_pport_actv.slaves, - dev->num_vfs + 1); + dev->persist->num_vfs + 1); } - vfs = bitmap_weight(slaves_pport.slaves, dev->num_vfs + 1) - 1; + vfs = bitmap_weight(slaves_pport.slaves, dev->persist->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; @@ -590,10 +590,10 @@ int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port) slaves_pport_actv = mlx4_phys_to_slaves_pport_actv( dev, &exclusive_ports); slave_gid -= bitmap_weight(slaves_pport_actv.slaves, - dev->num_vfs + 1); + dev->persist->num_vfs + 1); } gids = MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS; - vfs = bitmap_weight(slaves_pport.slaves, dev->num_vfs + 1) - 1; + vfs = bitmap_weight(slaves_pport.slaves, dev->persist->num_vfs + 1) - 1; if (slave_gid <= gids % vfs) return MLX4_ROCE_PF_GIDS + ((gids / vfs) + 1) * (slave_gid - 1); @@ -644,7 +644,7 @@ void mlx4_reset_roce_gids(struct mlx4_dev *dev, int slave) int num_eth_ports, err; int i; - if (slave < 0 || slave > dev->num_vfs) + if (slave < 0 || slave > dev->persist->num_vfs) return; actv_ports = mlx4_get_active_ports(dev, slave); @@ -1214,7 +1214,8 @@ int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid, return -EINVAL; slaves_pport = mlx4_phys_to_slaves_pport(dev, port); - num_vfs = bitmap_weight(slaves_pport.slaves, dev->num_vfs + 1) - 1; + num_vfs = bitmap_weight(slaves_pport.slaves, + dev->persist->num_vfs + 1) - 1; for (i = 0; i < MLX4_ROCE_MAX_GIDS; i++) { if (!memcmp(priv->port[port].gid_table.roce_gids[i].raw, gid, @@ -1258,7 +1259,7 @@ int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid, dev, &exclusive_ports); num_vfs_before += bitmap_weight( slaves_pport_actv.slaves, - dev->num_vfs + 1); + dev->persist->num_vfs + 1); } /* candidate_slave_gid isn't necessarily the correct slave, but @@ -1288,7 +1289,7 @@ int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid, dev, &exclusive_ports); slave_gid += bitmap_weight( slaves_pport_actv.slaves, - dev->num_vfs + 1); + dev->persist->num_vfs + 1); } } *slave_id = slave_gid; |