* @handle: Reference by which an allocated resource can be deallocated
* @channel: Isochronous channel which was (de)allocated, if any
* @bandwidth: Bandwidth allocation units which were (de)allocated, if any
- * @channels_available: Last known availability of channels
- * @bandwidth_available: Last known availability of bandwidth
*
* An %FW_CDEV_EVENT_ISO_RESOURCE_ALLOCATED event is sent after an isochronous
* resource was allocated at the IRM. The client has to check @channel and
};
/* available since kernel version 2.6.22 */
-#define FW_CDEV_IOC_GET_INFO _IOWR('#', 0x00, struct fw_cdev_get_info)
-#define FW_CDEV_IOC_SEND_REQUEST _IOW('#', 0x01, struct fw_cdev_send_request)
-#define FW_CDEV_IOC_ALLOCATE _IOWR('#', 0x02, struct fw_cdev_allocate)
-#define FW_CDEV_IOC_DEALLOCATE _IOW('#', 0x03, struct fw_cdev_deallocate)
-#define FW_CDEV_IOC_SEND_RESPONSE _IOW('#', 0x04, struct fw_cdev_send_response)
-#define FW_CDEV_IOC_INITIATE_BUS_RESET _IOW('#', 0x05, struct fw_cdev_initiate_bus_reset)
-#define FW_CDEV_IOC_ADD_DESCRIPTOR _IOWR('#', 0x06, struct fw_cdev_add_descriptor)
-#define FW_CDEV_IOC_REMOVE_DESCRIPTOR _IOW('#', 0x07, struct fw_cdev_remove_descriptor)
-#define FW_CDEV_IOC_CREATE_ISO_CONTEXT _IOWR('#', 0x08, struct fw_cdev_create_iso_context)
-#define FW_CDEV_IOC_QUEUE_ISO _IOWR('#', 0x09, struct fw_cdev_queue_iso)
-#define FW_CDEV_IOC_START_ISO _IOW('#', 0x0a, struct fw_cdev_start_iso)
-#define FW_CDEV_IOC_STOP_ISO _IOW('#', 0x0b, struct fw_cdev_stop_iso)
+#define FW_CDEV_IOC_GET_INFO _IOWR('#', 0x00, struct fw_cdev_get_info)
+#define FW_CDEV_IOC_SEND_REQUEST _IOW('#', 0x01, struct fw_cdev_send_request)
+#define FW_CDEV_IOC_ALLOCATE _IOWR('#', 0x02, struct fw_cdev_allocate)
+#define FW_CDEV_IOC_DEALLOCATE _IOW('#', 0x03, struct fw_cdev_deallocate)
+#define FW_CDEV_IOC_SEND_RESPONSE _IOW('#', 0x04, struct fw_cdev_send_response)
+#define FW_CDEV_IOC_INITIATE_BUS_RESET _IOW('#', 0x05, struct fw_cdev_initiate_bus_reset)
+#define FW_CDEV_IOC_ADD_DESCRIPTOR _IOWR('#', 0x06, struct fw_cdev_add_descriptor)
+#define FW_CDEV_IOC_REMOVE_DESCRIPTOR _IOW('#', 0x07, struct fw_cdev_remove_descriptor)
+#define FW_CDEV_IOC_CREATE_ISO_CONTEXT _IOWR('#', 0x08, struct fw_cdev_create_iso_context)
+#define FW_CDEV_IOC_QUEUE_ISO _IOWR('#', 0x09, struct fw_cdev_queue_iso)
+#define FW_CDEV_IOC_START_ISO _IOW('#', 0x0a, struct fw_cdev_start_iso)
+#define FW_CDEV_IOC_STOP_ISO _IOW('#', 0x0b, struct fw_cdev_stop_iso)
/* available since kernel version 2.6.24 */
-#define FW_CDEV_IOC_GET_CYCLE_TIMER _IOR('#', 0x0c, struct fw_cdev_get_cycle_timer)
+#define FW_CDEV_IOC_GET_CYCLE_TIMER _IOR('#', 0x0c, struct fw_cdev_get_cycle_timer)
/* available since kernel version 2.6.30 */
#define FW_CDEV_IOC_ALLOCATE_ISO_RESOURCE _IOWR('#', 0x0d, struct fw_cdev_allocate_iso_resource)
#define FW_CDEV_IOC_DEALLOCATE_ISO_RESOURCE _IOW('#', 0x0e, struct fw_cdev_deallocate)
#define FW_CDEV_IOC_ALLOCATE_ISO_RESOURCE_ONCE _IOW('#', 0x0f, struct fw_cdev_allocate_iso_resource)
#define FW_CDEV_IOC_DEALLOCATE_ISO_RESOURCE_ONCE _IOW('#', 0x10, struct fw_cdev_allocate_iso_resource)
-#define FW_CDEV_IOC_GET_SPEED _IOR('#', 0x11, struct fw_cdev_get_speed)
+#define FW_CDEV_IOC_GET_SPEED _IO('#', 0x11) /* returns speed code */
#define FW_CDEV_IOC_SEND_BROADCAST_REQUEST _IOW('#', 0x12, struct fw_cdev_send_request)
+#define FW_CDEV_IOC_SEND_STREAM_PACKET _IOW('#', 0x13, struct fw_cdev_send_stream_packet)
/*
* FW_CDEV_VERSION History
* If successful, the kernel adds the descriptor and writes back a handle to the
* kernel-side object to be used for later removal of the descriptor block and
* immediate key.
+ *
+ * This ioctl affects the configuration ROMs of all local nodes.
+ * The ioctl only succeeds on device files which represent a local node.
*/
struct fw_cdev_add_descriptor {
__u32 immediate;
* descriptor was added
*
* Remove a descriptor block and accompanying immediate key from the local
- * node's configuration ROM.
+ * nodes' configuration ROMs.
*/
struct fw_cdev_remove_descriptor {
__u32 handle;
*
* The %FW_CDEV_IOC_DEALLOCATE_ISO_RESOURCE_ONCE ioctl works like
* %FW_CDEV_IOC_ALLOCATE_ISO_RESOURCE_ONCE except that resources are freed
- * instead of allocated. At most one channel may be specified in this ioctl.
+ * instead of allocated.
* An %FW_CDEV_EVENT_ISO_RESOURCE_DEALLOCATED event concludes this operation.
*
* To summarize, %FW_CDEV_IOC_DEALLOCATE_ISO_RESOURCE allocates iso resources
* In contrast, %FW_CDEV_IOC_ALLOCATE_ISO_RESOURCE_ONCE allocates iso resources
* for the duration of a bus generation.
*
- * @channels is a host-endian bitfield with the most significant bit
- * representing channel 0 and the least significant bit representing channel 63:
- * 1ULL << (63 - c)
+ * @channels is a host-endian bitfield with the least significant bit
+ * representing channel 0 and the most significant bit representing channel 63:
+ * 1ULL << c for each channel c that is a candidate for (de)allocation.
*
* @bandwidth is expressed in bandwidth allocation units, i.e. the time to send
* one quadlet of data (payload or header data) at speed S1600.
};
/**
- * struct fw_cdev_get_speed - Query maximum speed to or from this device
- * @max_speed: Speed code; minimum of the device's link speed, the local node's
- * link speed, and all PHY port speeds between the two links
+ * struct fw_cdev_send_stream_packet - send an asynchronous stream packet
+ * @length: Length of outgoing payload, in bytes
+ * @tag: Data format tag
+ * @channel: Isochronous channel to transmit to
+ * @sy: Synchronization code
+ * @closure: Passed back to userspace in the response event
+ * @data: Userspace pointer to payload
+ * @generation: The bus generation where packet is valid
+ * @speed: Speed to transmit at
+ *
+ * The %FW_CDEV_IOC_SEND_STREAM_PACKET ioctl sends an asynchronous stream packet
+ * to every device which is listening to the specified channel. The kernel
+ * writes an &fw_cdev_event_response event which indicates success or failure of
+ * the transmission.
*/
-struct fw_cdev_get_speed {
- __u32 max_speed;
+struct fw_cdev_send_stream_packet {
+ __u32 length;
+ __u32 tag;
+ __u32 channel;
+ __u32 sy;
+ __u64 closure;
+ __u64 data;
+ __u32 generation;
+ __u32 speed;
};
#endif /* _LINUX_FIREWIRE_CDEV_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff