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Diffstat (limited to 'Documentation/networking/devlink/index.rst')
| -rw-r--r-- | Documentation/networking/devlink/index.rst | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/networking/devlink/index.rst b/Documentation/networking/devlink/index.rst index 087ff54d53fc..4b653d040627 100644 --- a/Documentation/networking/devlink/index.rst +++ b/Documentation/networking/devlink/index.rst @@ -4,6 +4,20 @@ Linux Devlink Documentation devlink is an API to expose device information and resources not directly related to any device class, such as chip-wide/switch-ASIC-wide configuration. +Locking +------- + +Driver facing APIs are currently transitioning to allow more explicit +locking. Drivers can use the existing ``devlink_*`` set of APIs, or +new APIs prefixed by ``devl_*``. The older APIs handle all the locking +in devlink core, but don't allow registration of most sub-objects once +the main devlink object is itself registered. The newer ``devl_*`` APIs assume +the devlink instance lock is already held. Drivers can take the instance +lock by calling ``devl_lock()``. It is also held all callbacks of devlink +netlink commands. + +Drivers are encouraged to use the devlink instance lock for their own needs. + Interface documentation ----------------------- @@ -16,10 +30,15 @@ general. devlink-dpipe devlink-health devlink-info + devlink-flash devlink-params + devlink-port devlink-region devlink-resource + devlink-reload + devlink-selftests devlink-trap + devlink-linecard Driver-specific documentation ----------------------------- @@ -31,7 +50,9 @@ parameters, info versions, and other features it supports. :maxdepth: 1 bnxt + hns3 ionic + ice mlx4 mlx5 mlxsw @@ -40,3 +61,7 @@ parameters, info versions, and other features it supports. nfp qed ti-cpsw-switch + am65-nuss-cpsw-switch + prestera + iosm + octeontx2 |