diff options
Diffstat (limited to 'include/linux/mod_devicetable.h')
| -rw-r--r-- | include/linux/mod_devicetable.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index c425290b21e2..7d45b5f989b0 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -846,4 +846,46 @@ struct auxiliary_device_id { kernel_ulong_t driver_data; }; +/* Surface System Aggregator Module */ + +#define SSAM_MATCH_TARGET 0x1 +#define SSAM_MATCH_INSTANCE 0x2 +#define SSAM_MATCH_FUNCTION 0x4 + +struct ssam_device_id { + __u8 match_flags; + + __u8 domain; + __u8 category; + __u8 target; + __u8 instance; + __u8 function; + + 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 */ |