[patch net-next 5/5] mlxsw: spectrum_kvdl: Add support for per part occupancy

[Jiri Pirko]

From: Arkadi Sharshevsky <arka...@mellanox.com>

Add support for calculating occupancy for separate kvdl parts.

Signed-off-by: Arkadi Sharshevsky <arka...@mellanox.com>
Signed-off-by: Jiri Pirko <j...@mellanox.com>
---
 .../net/ethernet/mellanox/mlxsw/spectrum_kvdl.c    | 58 ++++++++++++++++++++--
 1 file changed, 55 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c 
b/drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c
index 859966e5087b..d27fa57ad3c3 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c
@@ -366,6 +366,58 @@ u64 mlxsw_sp_kvdl_occ_get(const struct mlxsw_sp *mlxsw_sp)
        return occ;
 }
 
+u64 mlxsw_sp_kvdl_single_occ_get(struct devlink *devlink)
+{
+       struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
+       struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
+       struct mlxsw_sp_kvdl_part *part;
+
+       part = mlxsw_sp_kvdl_part_find(mlxsw_sp, MLXSW_SP_KVDL_PART_SINGLE);
+       if (!part)
+               return -EINVAL;
+
+       return mlxsw_sp_kvdl_part_occ(part);
+}
+
+u64 mlxsw_sp_kvdl_chunks_occ_get(struct devlink *devlink)
+{
+       struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
+       struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
+       struct mlxsw_sp_kvdl_part *part;
+
+       part = mlxsw_sp_kvdl_part_find(mlxsw_sp, MLXSW_SP_KVDL_PART_CHUNKS);
+       if (!part)
+               return -EINVAL;
+
+       return mlxsw_sp_kvdl_part_occ(part);
+}
+
+u64 mlxsw_sp_kvdl_large_chunks_occ_get(struct devlink *devlink)
+{
+       struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
+       struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
+       struct mlxsw_sp_kvdl_part *part;
+
+       part = mlxsw_sp_kvdl_part_find(mlxsw_sp,
+                                      MLXSW_SP_KVDL_PART_LARGE_CHUNKS);
+       if (!part)
+               return -EINVAL;
+
+       return mlxsw_sp_kvdl_part_occ(part);
+}
+
+static struct devlink_resource_ops mlxsw_sp_kvdl_single_ops = {
+       .occ_get = mlxsw_sp_kvdl_single_occ_get,
+};
+
+static struct devlink_resource_ops mlxsw_sp_kvdl_chunks_ops = {
+       .occ_get = mlxsw_sp_kvdl_chunks_occ_get,
+};
+
+static struct devlink_resource_ops mlxsw_sp_kvdl_chunks_large_ops = {
+       .occ_get = mlxsw_sp_kvdl_large_chunks_occ_get,
+};
+
 static struct devlink_resource_size_params mlxsw_sp_kvdl_single_size_params = {
        .size_min = 0,
        .size_granularity = 1,
@@ -409,7 +461,7 @@ int mlxsw_sp_kvdl_resources_register(struct devlink 
*devlink)
                                        MLXSW_SP_RESOURCE_KVD_LINEAR_SINGLE,
                                        MLXSW_SP_RESOURCE_KVD_LINEAR,
                                        &mlxsw_sp_kvdl_single_size_params,
-                                       NULL);
+                                       &mlxsw_sp_kvdl_single_ops);
        if (err)
                return err;
 
@@ -418,7 +470,7 @@ int mlxsw_sp_kvdl_resources_register(struct devlink 
*devlink)
                                        MLXSW_SP_RESOURCE_KVD_LINEAR_CHUNKS,
                                        MLXSW_SP_RESOURCE_KVD_LINEAR,
                                        &mlxsw_sp_kvdl_chunks_size_params,
-                                       NULL);
+                                       &mlxsw_sp_kvdl_chunks_ops);
        if (err)
                return err;
 
@@ -427,7 +479,7 @@ int mlxsw_sp_kvdl_resources_register(struct devlink 
*devlink)
                                        
MLXSW_SP_RESOURCE_KVD_LINEAR_LARGE_CHUNKS,
                                        MLXSW_SP_RESOURCE_KVD_LINEAR,
                                        &mlxsw_sp_kvdl_large_chunks_size_params,
-                                       NULL);
+                                       &mlxsw_sp_kvdl_chunks_large_ops);
        return err;
 }
 
-- 
2.14.3