net/iucv/iucv.h

1 /* SPDX-License-Identifier: GPL-2.0 */
20  * www.vm.ibm.com/pubs, manual # SC24-6084
23  * - All positive return codes including zero are reflected back
26  * - Return Code of:
27  *   -EINVAL: Invalid value
28  *   -ENOMEM: storage allocation failed
45  * IUCV_IPBUFLST  Indicates that an address list is used for the message data.
53  * IUCV_IPANSLST  Indicates that an address list is used for the reply data.
73  * Inside the array may be 31- bit addresses and 31-bit lengths.
79 	u32 address;  member
91  * handler:  address of iucv handler structure
194  * @handler: address of iucv handler structure
199  * Returns 0 on success, -ENOMEM if the memory allocation for the pathid
200  * table failed, or -EIO if IUCV_DECLARE_BUFFER failed on all cpus.
206  * @handler:  address of iucv handler structure
230 		path->msglim = msglim;  in iucv_path_alloc()
231 		path->flags = flags;  in iucv_path_alloc()
238  * @path: address of iucv path structure
249  * @path: address of iucv path structure
250  * @handler: address of iucv handler structure
251  * @userdata: 16 bytes of data reflected to the communication partner
252  * @private: private data passed to interrupt handlers for this path
264  * @path: address of iucv path structure
265  * @handler: address of iucv handler structure
266  * @userid: 8-byte user identification
267  * @system: 8-byte target system identification
268  * @userdata: 16 bytes of data reflected to the communication partner
269  * @private: private data passed to interrupt handlers for this path
283  * @path: address of iucv path structure
284  * @userdata: 16 bytes of data reflected to the communication partner
295  * @path: address of iucv path structure
296  * @userdata: 16 bytes of data reflected to the communication partner
307  * @path: address of iucv path structure
308  * @userdata: 16 bytes of data reflected to the communication partner
318  * @path: address of iucv path structure
319  * @msg: address of iucv msg structure
331  * @path: address of iucv path structure
332  * @msg: address of iucv msg structure
334  * @buffer: address of data buffer or address of struct iucv_array
335  * @size: length of data buffer
351  * @path: address of iucv path structure
352  * @msg: address of iucv msg structure
354  * @buffer: address of data buffer or address of struct iucv_array
355  * @size: length of data buffer
372  * @path: address of iucv path structure
373  * @msg: address of iucv msg structure
385  * @path: address of iucv path structure
386  * @msg: address of iucv msg structure
388  * @reply: address of data buffer or address of struct iucv_array
389  * @size: length of reply data buffer
391  * This function responds to the two-way messages that you receive. You
393  * pathid, msgid, and trgcls. Prmmsg signifies the data is moved into
403  * @path: address of iucv path structure
404  * @msg: address of iucv msg structure
407  * @buffer: address of data buffer or address of struct iucv_array
410  * This function transmits data to another application. Data to be
411  * transmitted is in a buffer and this is a one-way message and the
423  * @path: address of iucv path structure
424  * @msg: address of iucv msg structure
427  * @buffer: address of data buffer or address of struct iucv_array
430  * This function transmits data to another application. Data to be
431  * transmitted is in a buffer and this is a one-way message and the
443  * @path: address of iucv path structure
444  * @msg: address of iucv msg structure
448  * @buffer: address of data buffer or address of struct iucv_array
450  * @ansbuf: address of answer buffer or address of struct iucv_array
453  * This function transmits data to another application. Data to be