diff options
Diffstat (limited to 'include/net/iucv/iucv.h')
| -rw-r--r-- | include/net/iucv/iucv.h | 84 |
1 files changed, 82 insertions, 2 deletions
diff --git a/include/net/iucv/iucv.h b/include/net/iucv/iucv.h index fd70adbb356..0894ced3195 100644 --- a/include/net/iucv/iucv.h +++ b/include/net/iucv/iucv.h @@ -28,6 +28,7 @@ */ #include <linux/types.h> +#include <linux/slab.h> #include <asm/debug.h> /* @@ -119,7 +120,7 @@ struct iucv_message { u32 reply_size; u8 rmmsg[8]; u8 flags; -}; +} __packed; /* * struct iucv_handler @@ -172,7 +173,7 @@ struct iucv_handler { /* * The message_pending function is called after an icuv interrupt * type 0x06 or type 0x07 has been received. A new message is - * availabe and can be received with iucv_message_receive. + * available and can be received with iucv_message_receive. */ void (*message_pending)(struct iucv_path *, struct iucv_message *); /* @@ -337,12 +338,35 @@ int iucv_message_purge(struct iucv_path *path, struct iucv_message *msg, * established paths. This function will deal with RMDATA messages * embedded in struct iucv_message as well. * + * Locking: local_bh_enable/local_bh_disable + * * Returns the result from the CP IUCV call. */ int iucv_message_receive(struct iucv_path *path, struct iucv_message *msg, u8 flags, void *buffer, size_t size, size_t *residual); /** + * __iucv_message_receive + * @path: address of iucv path structure + * @msg: address of iucv msg structure + * @flags: flags that affect how the message is received (IUCV_IPBUFLST) + * @buffer: address of data buffer or address of struct iucv_array + * @size: length of data buffer + * @residual: + * + * This function receives messages that are being sent to you over + * established paths. This function will deal with RMDATA messages + * embedded in struct iucv_message as well. + * + * Locking: no locking. + * + * Returns the result from the CP IUCV call. + */ +int __iucv_message_receive(struct iucv_path *path, struct iucv_message *msg, + u8 flags, void *buffer, size_t size, + size_t *residual); + +/** * iucv_message_reject * @path: address of iucv path structure * @msg: address of iucv msg structure @@ -386,12 +410,34 @@ int iucv_message_reply(struct iucv_path *path, struct iucv_message *msg, * transmitted is in a buffer and this is a one-way message and the * receiver will not reply to the message. * + * Locking: local_bh_enable/local_bh_disable + * * Returns the result from the CP IUCV call. */ int iucv_message_send(struct iucv_path *path, struct iucv_message *msg, u8 flags, u32 srccls, void *buffer, size_t size); /** + * __iucv_message_send + * @path: address of iucv path structure + * @msg: address of iucv msg structure + * @flags: how the message is sent (IUCV_IPRMDATA, IUCV_IPPRTY, IUCV_IPBUFLST) + * @srccls: source class of message + * @buffer: address of data buffer or address of struct iucv_array + * @size: length of send buffer + * + * This function transmits data to another application. Data to be + * transmitted is in a buffer and this is a one-way message and the + * receiver will not reply to the message. + * + * Locking: no locking. + * + * Returns the result from the CP IUCV call. + */ +int __iucv_message_send(struct iucv_path *path, struct iucv_message *msg, + u8 flags, u32 srccls, void *buffer, size_t size); + +/** * iucv_message_send2way * @path: address of iucv path structure * @msg: address of iucv msg structure @@ -413,3 +459,37 @@ int iucv_message_send(struct iucv_path *path, struct iucv_message *msg, int iucv_message_send2way(struct iucv_path *path, struct iucv_message *msg, u8 flags, u32 srccls, void *buffer, size_t size, void *answer, size_t asize, size_t *residual); + +struct iucv_interface { + int (*message_receive)(struct iucv_path *path, struct iucv_message *msg, + u8 flags, void *buffer, size_t size, size_t *residual); + int (*__message_receive)(struct iucv_path *path, + struct iucv_message *msg, u8 flags, void *buffer, size_t size, + size_t *residual); + int (*message_reply)(struct iucv_path *path, struct iucv_message *msg, + u8 flags, void *reply, size_t size); + int (*message_reject)(struct iucv_path *path, struct iucv_message *msg); + int (*message_send)(struct iucv_path *path, struct iucv_message *msg, + u8 flags, u32 srccls, void *buffer, size_t size); + int (*__message_send)(struct iucv_path *path, struct iucv_message *msg, + u8 flags, u32 srccls, void *buffer, size_t size); + int (*message_send2way)(struct iucv_path *path, + struct iucv_message *msg, u8 flags, u32 srccls, void *buffer, + size_t size, void *answer, size_t asize, size_t *residual); + int (*message_purge)(struct iucv_path *path, struct iucv_message *msg, + u32 srccls); + int (*path_accept)(struct iucv_path *path, struct iucv_handler *handler, + u8 userdata[16], void *private); + int (*path_connect)(struct iucv_path *path, + struct iucv_handler *handler, + u8 userid[8], u8 system[8], u8 userdata[16], void *private); + int (*path_quiesce)(struct iucv_path *path, u8 userdata[16]); + int (*path_resume)(struct iucv_path *path, u8 userdata[16]); + int (*path_sever)(struct iucv_path *path, u8 userdata[16]); + int (*iucv_register)(struct iucv_handler *handler, int smp); + void (*iucv_unregister)(struct iucv_handler *handler, int smp); + struct bus_type *bus; + struct device *root; +}; + +extern struct iucv_interface iucv_if; |