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mlxsw: spectrum: Expose KVD size for Spectrum-2

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Unlike Spectrum-1, the KVD (Key-value database) of Spectrum-2 is not
partitioned, so only expose the entire KVD size. This enables users to
query the total size of the KVD.

Signed-off-by: Amit Cohen <amitc@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amit Cohen
2019-07-23 10:57:41 +03:00
committed by David S. Miller
parent c93496e9f7
commit b06689cc1b
1 changed files with 21 additions and 1 deletions
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22
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
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@@ -5026,6 +5026,26 @@ static int mlxsw_sp1_resources_kvd_register(struct mlxsw_core *mlxsw_core)
return 0;
}
static int mlxsw_sp2_resources_kvd_register(struct mlxsw_core *mlxsw_core)
{
struct devlink *devlink = priv_to_devlink(mlxsw_core);
struct devlink_resource_size_params kvd_size_params;
u32 kvd_size;
if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE))
return -EIO;
kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
devlink_resource_size_params_init(&kvd_size_params, kvd_size, kvd_size,
MLXSW_SP_KVD_GRANULARITY,
DEVLINK_RESOURCE_UNIT_ENTRY);
return devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD,
kvd_size, MLXSW_SP_RESOURCE_KVD,
DEVLINK_RESOURCE_ID_PARENT_TOP,
&kvd_size_params);
}
static int mlxsw_sp1_resources_register(struct mlxsw_core *mlxsw_core)
{
return mlxsw_sp1_resources_kvd_register(mlxsw_core);
@@ -5033,7 +5053,7 @@ static int mlxsw_sp1_resources_register(struct mlxsw_core *mlxsw_core)
static int mlxsw_sp2_resources_register(struct mlxsw_core *mlxsw_core)
{
return 0;
return mlxsw_sp2_resources_kvd_register(mlxsw_core);
}
static int mlxsw_sp_kvd_sizes_get(struct mlxsw_core *mlxsw_core,