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| author | Jiri Kosina <jkosina@suse.cz> | 2021-04-29 21:45:19 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2021-04-29 21:45:19 +0200 |
| commit | e50fedec822efc7b7090f95862b782d91ca8aec0 (patch) | |
| tree | 22dd6b534d00a1f7fc3823f0d88e0d43547fc87b /include/linux/mod_devicetable.h | |
| parent | cfc9bdfb6ba76de84a9ed8ee75dc56903b505a78 (diff) | |
| parent | 35a927f2848bd79586c6374ebb99e4207f3b0c7f (diff) | |
Merge branch 'for-5.13/surface-system-aggregator-intergration' into for-linus
- Surface Aggregator Module support from Maximilian Luz
Diffstat (limited to 'include/linux/mod_devicetable.h')
| -rw-r--r-- | include/linux/mod_devicetable.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 935060955152..7d45b5f989b0 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -864,4 +864,28 @@ struct ssam_device_id { kernel_ulong_t driver_data; }; +/* + * DFL (Device Feature List) + * + * DFL defines a linked list of feature headers within the device MMIO space to + * provide an extensible way of adding features. Software can walk through these + * predefined data structures to enumerate features. It is now used in the FPGA. + * See Documentation/fpga/dfl.rst for more information. + * + * The dfl bus type is introduced to match the individual feature devices (dfl + * devices) for specific dfl drivers. + */ + +/** + * struct dfl_device_id - dfl device identifier + * @type: DFL FIU type of the device. See enum dfl_id_type. + * @feature_id: feature identifier local to its DFL FIU type. + * @driver_data: driver specific data. + */ +struct dfl_device_id { + __u16 type; + __u16 feature_id; + kernel_ulong_t driver_data; +}; + #endif /* LINUX_MOD_DEVICETABLE_H */ |
