diff options
Diffstat (limited to 'drivers/firewire/fw-device-cdev.h')
| -rw-r--r-- | drivers/firewire/fw-device-cdev.h | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/drivers/firewire/fw-device-cdev.h b/drivers/firewire/fw-device-cdev.h index 8a8b390d599..c6ea6f32a94 100644 --- a/drivers/firewire/fw-device-cdev.h +++ b/drivers/firewire/fw-device-cdev.h @@ -104,7 +104,7 @@ struct fw_cdev_event_iso_interrupt { __u32 header[0]; }; -#define FW_CDEV_IOC_GET_CONFIG_ROM _IOR('#', 0x00, struct fw_cdev_get_config_rom) +#define FW_CDEV_IOC_GET_INFO _IO('#', 0x00) #define FW_CDEV_IOC_SEND_REQUEST _IO('#', 0x01) #define FW_CDEV_IOC_ALLOCATE _IO('#', 0x02) #define FW_CDEV_IOC_SEND_RESPONSE _IO('#', 0x03) @@ -114,9 +114,32 @@ struct fw_cdev_event_iso_interrupt { #define FW_CDEV_IOC_START_ISO _IO('#', 0x07) #define FW_CDEV_IOC_STOP_ISO _IO('#', 0x08) -struct fw_cdev_get_config_rom { - __u32 length; - __u32 data[256]; +/* FW_CDEV_VERSION History + * + * 1 Feb 18, 2007: Initial version. + */ +#define FW_CDEV_VERSION 1 + +struct fw_cdev_get_info { + /* The version field is just a running serial number. We + * never break backwards compatibility. Userspace passes in + * the version it expects and the kernel passes back the + * highest version it can provide. Even if the structs in + * this interface are extended in a later version, the kernel + * will not copy back more data than what was present in the + * interface version userspace expects. */ + __u32 version; + + /* If non-zero, at most rom_length bytes of config rom will be + * copied into that user space address. In either case, + * rom_length is updated with the actual length of the config + * rom. */ + __u32 rom_length; + __u64 rom; + + /* If non-zero, a fw_cdev_event_bus_reset struct will be + * copied here with the current state of the bus. */ + __u64 bus_reset; }; struct fw_cdev_send_request { |