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-/*
- * drivers/s390/net/iucv.h
- * IUCV base support.
- *
- * S390 version
- * Copyright (C) 2000 IBM Corporation
- * Author(s):Alan Altmark (Alan_Altmark@us.ibm.com)
- * Xenia Tkatschow (xenia@us.ibm.com)
- *
- *
- * Functionality:
- * To explore any of the IUCV functions, one must first register
- * their program using iucv_register_program(). Once your program has
- * successfully completed a register, it can exploit the other functions.
- * For furthur reference on all IUCV functionality, refer to the
- * CP Programming Services book, also available on the web
- * thru www.ibm.com/s390/vm/pubs, manual # SC24-5760
- *
- * Definition of Return Codes
- * -All positive return codes including zero are reflected back
- * from CP except for iucv_register_program. The definition of each
- * return code can be found in CP Programming Services book.
- * Also available on the web thru www.ibm.com/s390/vm/pubs, manual # SC24-5760
- * - Return Code of:
- * (-EINVAL) Invalid value
- * (-ENOMEM) storage allocation failed
- * pgmask defined in iucv_register_program will be set depending on input
- * paramters.
- *
- */
-
-#include <linux/types.h>
-#include <asm/debug.h>
-
-/**
- * Debug Facility stuff
- */
-#define IUCV_DBF_SETUP_NAME "iucv_setup"
-#define IUCV_DBF_SETUP_LEN 32
-#define IUCV_DBF_SETUP_PAGES 2
-#define IUCV_DBF_SETUP_NR_AREAS 1
-#define IUCV_DBF_SETUP_LEVEL 3
-
-#define IUCV_DBF_DATA_NAME "iucv_data"
-#define IUCV_DBF_DATA_LEN 128
-#define IUCV_DBF_DATA_PAGES 2
-#define IUCV_DBF_DATA_NR_AREAS 1
-#define IUCV_DBF_DATA_LEVEL 2
-
-#define IUCV_DBF_TRACE_NAME "iucv_trace"
-#define IUCV_DBF_TRACE_LEN 16
-#define IUCV_DBF_TRACE_PAGES 4
-#define IUCV_DBF_TRACE_NR_AREAS 1
-#define IUCV_DBF_TRACE_LEVEL 3
-
-#define IUCV_DBF_TEXT(name,level,text) \
- do { \
- debug_text_event(iucv_dbf_##name,level,text); \
- } while (0)
-
-#define IUCV_DBF_HEX(name,level,addr,len) \
- do { \
- debug_event(iucv_dbf_##name,level,(void*)(addr),len); \
- } while (0)
-
-DECLARE_PER_CPU(char[256], iucv_dbf_txt_buf);
-
-#define IUCV_DBF_TEXT_(name,level,text...) \
- do { \
- char* iucv_dbf_txt_buf = get_cpu_var(iucv_dbf_txt_buf); \
- sprintf(iucv_dbf_txt_buf, text); \
- debug_text_event(iucv_dbf_##name,level,iucv_dbf_txt_buf); \
- put_cpu_var(iucv_dbf_txt_buf); \
- } while (0)
-
-#define IUCV_DBF_SPRINTF(name,level,text...) \
- do { \
- debug_sprintf_event(iucv_dbf_trace, level, ##text ); \
- debug_sprintf_event(iucv_dbf_trace, level, text ); \
- } while (0)
-
-/**
- * some more debug stuff
- */
-#define IUCV_HEXDUMP16(importance,header,ptr) \
-PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
- "%02x %02x %02x %02x %02x %02x %02x %02x\n", \
- *(((char*)ptr)),*(((char*)ptr)+1),*(((char*)ptr)+2), \
- *(((char*)ptr)+3),*(((char*)ptr)+4),*(((char*)ptr)+5), \
- *(((char*)ptr)+6),*(((char*)ptr)+7),*(((char*)ptr)+8), \
- *(((char*)ptr)+9),*(((char*)ptr)+10),*(((char*)ptr)+11), \
- *(((char*)ptr)+12),*(((char*)ptr)+13), \
- *(((char*)ptr)+14),*(((char*)ptr)+15)); \
-PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \
- "%02x %02x %02x %02x %02x %02x %02x %02x\n", \
- *(((char*)ptr)+16),*(((char*)ptr)+17), \
- *(((char*)ptr)+18),*(((char*)ptr)+19), \
- *(((char*)ptr)+20),*(((char*)ptr)+21), \
- *(((char*)ptr)+22),*(((char*)ptr)+23), \
- *(((char*)ptr)+24),*(((char*)ptr)+25), \
- *(((char*)ptr)+26),*(((char*)ptr)+27), \
- *(((char*)ptr)+28),*(((char*)ptr)+29), \
- *(((char*)ptr)+30),*(((char*)ptr)+31));
-
-static inline void
-iucv_hex_dump(unsigned char *buf, size_t len)
-{
- size_t i;
-
- for (i = 0; i < len; i++) {
- if (i && !(i % 16))
- printk("\n");
- printk("%02x ", *(buf + i));
- }
- printk("\n");
-}
-/**
- * end of debug stuff
- */
-
-#define uchar unsigned char
-#define ushort unsigned short
-#define ulong unsigned long
-#define iucv_handle_t void *
-
-/* flags1:
- * All flags are defined in the field IPFLAGS1 of each function
- * and can be found in CP Programming Services.
- * IPLOCAL - Indicates the connect can only be satisfied on the
- * local system
- * IPPRTY - Indicates a priority message
- * IPQUSCE - Indicates you do not want to receive messages on a
- * path until an iucv_resume is issued
- * IPRMDATA - Indicates that the message is in the parameter list
- */
-#define IPLOCAL 0x01
-#define IPPRTY 0x20
-#define IPQUSCE 0x40
-#define IPRMDATA 0x80
-
-/* flags1_out:
- * All flags are defined in the output field of IPFLAGS1 for each function
- * and can be found in CP Programming Services.
- * IPNORPY - Specifies this is a one-way message and no reply is expected.
- * IPPRTY - Indicates a priority message is permitted. Defined in flags1.
- */
-#define IPNORPY 0x10
-
-#define Nonpriority_MessagePendingInterruptsFlag 0x80
-#define Priority_MessagePendingInterruptsFlag 0x40
-#define Nonpriority_MessageCompletionInterruptsFlag 0x20
-#define Priority_MessageCompletionInterruptsFlag 0x10
-#define IUCVControlInterruptsFlag 0x08
-#define AllInterrupts 0xf8
-/*
- * Mapping of external interrupt buffers should be used with the corresponding
- * interrupt types.
- * Names: iucv_ConnectionPending -> connection pending
- * iucv_ConnectionComplete -> connection complete
- * iucv_ConnectionSevered -> connection severed
- * iucv_ConnectionQuiesced -> connection quiesced
- * iucv_ConnectionResumed -> connection resumed
- * iucv_MessagePending -> message pending
- * iucv_MessageComplete -> message complete
- */
-typedef struct {
- u16 ippathid;
- uchar ipflags1;
- uchar iptype;
- u16 ipmsglim;
- u16 res1;
- uchar ipvmid[8];
- uchar ipuser[16];
- u32 res3;
- uchar ippollfg;
- uchar res4[3];
-} iucv_ConnectionPending;
-
-typedef struct {
- u16 ippathid;
- uchar ipflags1;
- uchar iptype;
- u16 ipmsglim;
- u16 res1;
- uchar res2[8];
- uchar ipuser[16];
- u32 res3;
- uchar ippollfg;
- uchar res4[3];
-} iucv_ConnectionComplete;
-
-typedef struct {
- u16 ippathid;
- uchar res1;
- uchar iptype;
- u32 res2;
- uchar res3[8];
- uchar ipuser[16];
- u32 res4;
- uchar ippollfg;
- uchar res5[3];
-} iucv_ConnectionSevered;
-
-typedef struct {
- u16 ippathid;
- uchar res1;
- uchar iptype;
- u32 res2;
- uchar res3[8];
- uchar ipuser[16];
- u32 res4;
- uchar ippollfg;
- uchar res5[3];
-} iucv_ConnectionQuiesced;
-
-typedef struct {
- u16 ippathid;
- uchar res1;
- uchar iptype;
- u32 res2;
- uchar res3[8];
- uchar ipuser[16];
- u32 res4;
- uchar ippollfg;
- uchar res5[3];
-} iucv_ConnectionResumed;
-
-typedef struct {
- u16 ippathid;
- uchar ipflags1;
- uchar iptype;
- u32 ipmsgid;
- u32 iptrgcls;
- union u2 {
- u32 iprmmsg1_u32;
- uchar iprmmsg1[4];
- } ln1msg1;
- union u1 {
- u32 ipbfln1f;
- uchar iprmmsg2[4];
- } ln1msg2;
- u32 res1[3];
- u32 ipbfln2f;
- uchar ippollfg;
- uchar res2[3];
-} iucv_MessagePending;
-
-typedef struct {
- u16 ippathid;
- uchar ipflags1;
- uchar iptype;
- u32 ipmsgid;
- u32 ipaudit;
- uchar iprmmsg[8];
- u32 ipsrccls;
- u32 ipmsgtag;
- u32 res;
- u32 ipbfln2f;
- uchar ippollfg;
- uchar res2[3];
-} iucv_MessageComplete;
-
-/*
- * iucv_interrupt_ops_t: Is a vector of functions that handle
- * IUCV interrupts.
- * Parameter list:
- * eib - is a pointer to a 40-byte area described
- * with one of the structures above.
- * pgm_data - this data is strictly for the
- * interrupt handler that is passed by
- * the application. This may be an address
- * or token.
-*/
-typedef struct {
- void (*ConnectionPending) (iucv_ConnectionPending * eib,
- void *pgm_data);
- void (*ConnectionComplete) (iucv_ConnectionComplete * eib,
- void *pgm_data);
- void (*ConnectionSevered) (iucv_ConnectionSevered * eib,
- void *pgm_data);
- void (*ConnectionQuiesced) (iucv_ConnectionQuiesced * eib,
- void *pgm_data);
- void (*ConnectionResumed) (iucv_ConnectionResumed * eib,
- void *pgm_data);
- void (*MessagePending) (iucv_MessagePending * eib, void *pgm_data);
- void (*MessageComplete) (iucv_MessageComplete * eib, void *pgm_data);
-} iucv_interrupt_ops_t;
-
-/*
- *iucv_array_t : Defines buffer array.
- * Inside the array may be 31- bit addresses and 31-bit lengths.
-*/
-typedef struct {
- u32 address;
- u32 length;
-} iucv_array_t __attribute__ ((aligned (8)));
-
-extern struct bus_type iucv_bus;
-extern struct device *iucv_root;
-
-/* -prototypes- */
-/*
- * Name: iucv_register_program
- * Purpose: Registers an application with IUCV
- * Input: prmname - user identification
- * userid - machine identification
- * pgmmask - indicates which bits in the prmname and userid combined will be
- * used to determine who is given control
- * ops - address of vector of interrupt handlers
- * pgm_data- application data passed to interrupt handlers
- * Output: NA
- * Return: address of handler
- * (0) - Error occurred, registration not completed.
- * NOTE: Exact cause of failure will be recorded in syslog.
-*/
-iucv_handle_t iucv_register_program (uchar pgmname[16],
- uchar userid[8],
- uchar pgmmask[24],
- iucv_interrupt_ops_t * ops,
- void *pgm_data);
-
-/*
- * Name: iucv_unregister_program
- * Purpose: Unregister application with IUCV
- * Input: address of handler
- * Output: NA
- * Return: (0) - Normal return
- * (-EINVAL) - Internal error, wild pointer
-*/
-int iucv_unregister_program (iucv_handle_t handle);
-
-/*
- * Name: iucv_accept
- * Purpose: This function is issued after the user receives a Connection Pending external
- * interrupt and now wishes to complete the IUCV communication path.
- * Input: pathid - u16 , Path identification number
- * msglim_reqstd - u16, The number of outstanding messages requested.
- * user_data - uchar[16], Data specified by the iucv_connect function.
- * flags1 - int, Contains options for this path.
- * -IPPRTY - 0x20- Specifies if you want to send priority message.
- * -IPRMDATA - 0x80, Specifies whether your program can handle a message
- * in the parameter list.
- * -IPQUSCE - 0x40, Specifies whether you want to quiesce the path being
- * established.
- * handle - iucv_handle_t, Address of handler.
- * pgm_data - void *, Application data passed to interrupt handlers.
- * flags1_out - int * Contains information about the path
- * - IPPRTY - 0x20, Indicates you may send priority messages.
- * msglim - *u16, Number of outstanding messages.
- * Output: return code from CP IUCV call.
-*/
-
-int iucv_accept (u16 pathid,
- u16 msglim_reqstd,
- uchar user_data[16],
- int flags1,
- iucv_handle_t handle,
- void *pgm_data, int *flags1_out, u16 * msglim);
-
-/*
- * Name: iucv_connect
- * Purpose: This function establishes an IUCV path. Although the connect may complete
- * successfully, you are not able to use the path until you receive an IUCV
- * Connection Complete external interrupt.
- * Input: pathid - u16 *, Path identification number
- * msglim_reqstd - u16, Number of outstanding messages requested
- * user_data - uchar[16], 16-byte user data
- * userid - uchar[8], User identification
- * system_name - uchar[8], 8-byte identifying the system name
- * flags1 - int, Contains options for this path.
- * -IPPRTY - 0x20, Specifies if you want to send priority message.
- * -IPRMDATA - 0x80, Specifies whether your program can handle a message
- * in the parameter list.
- * -IPQUSCE - 0x40, Specifies whether you want to quiesce the path being
- * established.
- * -IPLOCAL - 0X01, Allows an application to force the partner to be on
- * the local system. If local is specified then target class cannot be
- * specified.
- * flags1_out - int * Contains information about the path
- * - IPPRTY - 0x20, Indicates you may send priority messages.
- * msglim - * u16, Number of outstanding messages
- * handle - iucv_handle_t, Address of handler
- * pgm_data - void *, Application data passed to interrupt handlers
- * Output: return code from CP IUCV call
- * rc - return code from iucv_declare_buffer
- * -EINVAL - Invalid handle passed by application
- * -EINVAL - Pathid address is NULL
- * add_pathid_result - Return code from internal function add_pathid
-*/
-int
- iucv_connect (u16 * pathid,
- u16 msglim_reqstd,
- uchar user_data[16],
- uchar userid[8],
- uchar system_name[8],
- int flags1,
- int *flags1_out,
- u16 * msglim, iucv_handle_t handle, void *pgm_data);
-
-/*
- * Name: iucv_purge
- * Purpose: This function cancels a message that you have sent.
- * Input: pathid - Path identification number.
- * msgid - Specifies the message ID of the message to be purged.
- * srccls - Specifies the source message class.
- * Output: audit - Contains information about asynchronous error
- * that may have affected the normal completion
- * of this message.
- * Return: Return code from CP IUCV call.
-*/
-int iucv_purge (u16 pathid, u32 msgid, u32 srccls, __u32 *audit);
-/*
- * Name: iucv_query_maxconn
- * Purpose: This function determines the maximum number of communication paths you
- * may establish.
- * Return: maxconn - ulong, Maximum number of connection the virtual machine may
- * establish.
-*/
-ulong iucv_query_maxconn (void);
-
-/*
- * Name: iucv_query_bufsize
- * Purpose: This function determines how large an external interrupt
- * buffer IUCV requires to store information.
- * Return: bufsize - ulong, Size of external interrupt buffer.
- */
-ulong iucv_query_bufsize (void);
-
-/*
- * Name: iucv_quiesce
- * Purpose: This function temporarily suspends incoming messages on an
- * IUCV path. You can later reactivate the path by invoking
- * the iucv_resume function.
- * Input: pathid - Path identification number
- * user_data - 16-bytes of user data
- * Output: NA
- * Return: Return code from CP IUCV call.
-*/
-int iucv_quiesce (u16 pathid, uchar user_data[16]);
-
-/*
- * Name: iucv_receive
- * Purpose: This function receives messages that are being sent to you
- * over established paths. Data will be returned in buffer for length of
- * buflen.
- * Input:
- * pathid - Path identification number.
- * buffer - Address of buffer to receive.
- * buflen - Length of buffer to receive.
- * msgid - Specifies the message ID.
- * trgcls - Specifies target class.
- * Output:
- * flags1_out: int *, Contains information about this path.
- * IPNORPY - 0x10 Specifies this is a one-way message and no reply is
- * expected.
- * IPPRTY - 0x20 Specifies if you want to send priority message.
- * IPRMDATA - 0x80 specifies the data is contained in the parameter list
- * residual_buffer - address of buffer updated by the number
- * of bytes you have received.
- * residual_length -
- * Contains one of the following values, if the receive buffer is:
- * The same length as the message, this field is zero.
- * Longer than the message, this field contains the number of
- * bytes remaining in the buffer.
- * Shorter than the message, this field contains the residual
- * count (that is, the number of bytes remaining in the
- * message that does not fit into the buffer. In this
- * case b2f0_result = 5.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - buffer address is pointing to NULL
-*/
-int iucv_receive (u16 pathid,
- u32 msgid,
- u32 trgcls,
- void *buffer,
- ulong buflen,
- int *flags1_out,
- ulong * residual_buffer, ulong * residual_length);
-
- /*
- * Name: iucv_receive_array
- * Purpose: This function receives messages that are being sent to you
- * over established paths. Data will be returned in first buffer for
- * length of first buffer.
- * Input: pathid - Path identification number.
- * msgid - specifies the message ID.
- * trgcls - Specifies target class.
- * buffer - Address of array of buffers.
- * buflen - Total length of buffers.
- * Output:
- * flags1_out: int *, Contains information about this path.
- * IPNORPY - 0x10 Specifies this is a one-way message and no reply is
- * expected.
- * IPPRTY - 0x20 Specifies if you want to send priority message.
- * IPRMDATA - 0x80 specifies the data is contained in the parameter list
- * residual_buffer - address points to the current list entry IUCV
- * is working on.
- * residual_length -
- * Contains one of the following values, if the receive buffer is:
- * The same length as the message, this field is zero.
- * Longer than the message, this field contains the number of
- * bytes remaining in the buffer.
- * Shorter than the message, this field contains the residual
- * count (that is, the number of bytes remaining in the
- * message that does not fit into the buffer. In this
- * case b2f0_result = 5.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
- */
-int iucv_receive_array (u16 pathid,
- u32 msgid,
- u32 trgcls,
- iucv_array_t * buffer,
- ulong buflen,
- int *flags1_out,
- ulong * residual_buffer, ulong * residual_length);
-
-/*
- * Name: iucv_reject
- * Purpose: The reject function refuses a specified message. Between the
- * time you are notified of a message and the time that you
- * complete the message, the message may be rejected.
- * Input: pathid - Path identification number.
- * msgid - Specifies the message ID.
- * trgcls - Specifies target class.
- * Output: NA
- * Return: Return code from CP IUCV call.
-*/
-int iucv_reject (u16 pathid, u32 msgid, u32 trgcls);
-
-/*
- * Name: iucv_reply
- * Purpose: This function responds to the two-way messages that you
- * receive. You must identify completely the message to
- * which you wish to reply. ie, pathid, msgid, and trgcls.
- * Input: pathid - Path identification number.
- * msgid - Specifies the message ID.
- * trgcls - Specifies target class.
- * flags1 - Option for path.
- * IPPRTY- 0x20, Specifies if you want to send priority message.
- * buffer - Address of reply buffer.
- * buflen - Length of reply buffer.
- * Output: residual_buffer - Address of buffer updated by the number
- * of bytes you have moved.
- * residual_length - Contains one of the following values:
- * If the answer buffer is the same length as the reply, this field
- * contains zero.
- * If the answer buffer is longer than the reply, this field contains
- * the number of bytes remaining in the buffer.
- * If the answer buffer is shorter than the reply, this field contains
- * a residual count (that is, the number of bytes remianing in the
- * reply that does not fit into the buffer. In this
- * case b2f0_result = 5.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
-*/
-int iucv_reply (u16 pathid,
- u32 msgid,
- u32 trgcls,
- int flags1,
- void *buffer, ulong buflen, ulong * residual_buffer,
- ulong * residual_length);
-
-/*
- * Name: iucv_reply_array
- * Purpose: This function responds to the two-way messages that you
- * receive. You must identify completely the message to
- * which you wish to reply. ie, pathid, msgid, and trgcls.
- * The array identifies a list of addresses and lengths of
- * discontiguous buffers that contains the reply data.
- * Input: pathid - Path identification number
- * msgid - Specifies the message ID.
- * trgcls - Specifies target class.
- * flags1 - Option for path.
- * IPPRTY- 0x20, Specifies if you want to send priority message.
- * buffer - Address of array of reply buffers.
- * buflen - Total length of reply buffers.
- * Output: residual_buffer - Address of buffer which IUCV is currently working on.
- * residual_length - Contains one of the following values:
- * If the answer buffer is the same length as the reply, this field
- * contains zero.
- * If the answer buffer is longer than the reply, this field contains
- * the number of bytes remaining in the buffer.
- * If the answer buffer is shorter than the reply, this field contains
- * a residual count (that is, the number of bytes remianing in the
- * reply that does not fit into the buffer. In this
- * case b2f0_result = 5.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
-*/
-int iucv_reply_array (u16 pathid,
- u32 msgid,
- u32 trgcls,
- int flags1,
- iucv_array_t * buffer,
- ulong buflen, ulong * residual_address,
- ulong * residual_length);
-
-/*
- * Name: iucv_reply_prmmsg
- * Purpose: This function responds to the two-way messages that you
- * receive. You must identify completely the message to
- * which you wish to reply. ie, pathid, msgid, and trgcls.
- * Prmmsg signifies the data is moved into the
- * parameter list.
- * Input: pathid - Path identification number.
- * msgid - Specifies the message ID.
- * trgcls - Specifies target class.
- * flags1 - Option for path.
- * IPPRTY- 0x20 Specifies if you want to send priority message.
- * prmmsg - 8-bytes of data to be placed into the parameter.
- * list.
- * Output: NA
- * Return: Return code from CP IUCV call.
-*/
-int iucv_reply_prmmsg (u16 pathid,
- u32 msgid, u32 trgcls, int flags1, uchar prmmsg[8]);
-
-/*
- * Name: iucv_resume
- * Purpose: This function restores communications over a quiesced path
- * Input: pathid - Path identification number.
- * user_data - 16-bytes of user data.
- * Output: NA
- * Return: Return code from CP IUCV call.
-*/
-int iucv_resume (u16 pathid, uchar user_data[16]);
-
-/*
- * Name: iucv_send
- * Purpose: 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.
- * Input: pathid - Path identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
- * msgtag - Specifies a tag to be associated with the message.
- * flags1 - Option for path.
- * IPPRTY- 0x20 Specifies if you want to send priority message.
- * buffer - Address of send buffer.
- * buflen - Length of send buffer.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
-*/
-int iucv_send (u16 pathid,
- u32 * msgid,
- u32 trgcls,
- u32 srccls, u32 msgtag, int flags1, void *buffer, ulong buflen);
-
-/*
- * Name: iucv_send_array
- * Purpose: This function transmits data to another application.
- * The contents of buffer is the address of the array of
- * addresses and lengths of discontiguous buffers that hold
- * the message text. This is a one-way message and the
- * receiver will not reply to the message.
- * Input: pathid - Path identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
- * msgtag - Specifies a tag to be associated witht the message.
- * flags1 - Option for path.
- * IPPRTY- specifies if you want to send priority message.
- * buffer - Address of array of send buffers.
- * buflen - Total length of send buffers.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
-*/
-int iucv_send_array (u16 pathid,
- u32 * msgid,
- u32 trgcls,
- u32 srccls,
- u32 msgtag,
- int flags1, iucv_array_t * buffer, ulong buflen);
-
-/*
- * Name: iucv_send_prmmsg
- * Purpose: This function transmits data to another application.
- * Prmmsg specifies that the 8-bytes of data are to be moved
- * into the parameter list. This is a one-way message and the
- * receiver will not reply to the message.
- * Input: pathid - Path identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
- * msgtag - Specifies a tag to be associated with the message.
- * flags1 - Option for path.
- * IPPRTY- 0x20 specifies if you want to send priority message.
- * prmmsg - 8-bytes of data to be placed into parameter list.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
-*/
-int iucv_send_prmmsg (u16 pathid,
- u32 * msgid,
- u32 trgcls,
- u32 srccls, u32 msgtag, int flags1, uchar prmmsg[8]);
-
-/*
- * Name: iucv_send2way
- * Purpose: This function transmits data to another application.
- * Data to be transmitted is in a buffer. The receiver
- * of the send is expected to reply to the message and
- * a buffer is provided into which IUCV moves the reply
- * to this message.
- * Input: pathid - Path identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
- * msgtag - Specifies a tag associated with the message.
- * flags1 - Option for path.
- * IPPRTY- 0x20 Specifies if you want to send priority message.
- * buffer - Address of send buffer.
- * buflen - Length of send buffer.
- * ansbuf - Address of buffer into which IUCV moves the reply of
- * this message.
- * anslen - Address of length of buffer.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer or ansbuf address is NULL.
-*/
-int iucv_send2way (u16 pathid,
- u32 * msgid,
- u32 trgcls,
- u32 srccls,
- u32 msgtag,
- int flags1,
- void *buffer, ulong buflen, void *ansbuf, ulong anslen);
-
-/*
- * Name: iucv_send2way_array
- * Purpose: This function transmits data to another application.
- * The contents of buffer is the address of the array of
- * addresses and lengths of discontiguous buffers that hold
- * the message text. The receiver of the send is expected to
- * reply to the message and a buffer is provided into which
- * IUCV moves the reply to this message.
- * Input: pathid - Path identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
- * msgtag - Specifies a tag to be associated with the message.
- * flags1 - Option for path.
- * IPPRTY- 0x20 Specifies if you want to send priority message.
- * buffer - Sddress of array of send buffers.
- * buflen - Total length of send buffers.
- * ansbuf - Address of array of buffer into which IUCV moves the reply
- * of this message.
- * anslen - Address of length reply buffers.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
-*/
-int iucv_send2way_array (u16 pathid,
- u32 * msgid,
- u32 trgcls,
- u32 srccls,
- u32 msgtag,
- int flags1,
- iucv_array_t * buffer,
- ulong buflen, iucv_array_t * ansbuf, ulong anslen);
-
-/*
- * Name: iucv_send2way_prmmsg
- * Purpose: This function transmits data to another application.
- * Prmmsg specifies that the 8-bytes of data are to be moved
- * into the parameter list. This is a two-way message and the
- * receiver of the message is expected to reply. A buffer
- * is provided into which IUCV moves the reply to this
- * message.
- * Input: pathid - Rath identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
- * msgtag - Specifies a tag to be associated with the message.
- * flags1 - Option for path.
- * IPPRTY- 0x20 Specifies if you want to send priority message.
- * prmmsg - 8-bytes of data to be placed in parameter list.
- * ansbuf - Address of buffer into which IUCV moves the reply of
- * this message.
- * anslen - Address of length of buffer.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Buffer address is NULL.
-*/
-int iucv_send2way_prmmsg (u16 pathid,
- u32 * msgid,
- u32 trgcls,
- u32 srccls,
- u32 msgtag,
- ulong flags1,
- uchar prmmsg[8], void *ansbuf, ulong anslen);
-
-/*
- * Name: iucv_send2way_prmmsg_array
- * Purpose: This function transmits data to another application.
- * Prmmsg specifies that the 8-bytes of data are to be moved
- * into the parameter list. This is a two-way message and the
- * receiver of the message is expected to reply. A buffer
- * is provided into which IUCV moves the reply to this
- * message. The contents of ansbuf is the address of the
- * array of addresses and lengths of discontiguous buffers
- * that contain the reply.
- * Input: pathid - Path identification number.
- * trgcls - Specifies target class.
- * srccls - Specifies the source message class.
- * msgtag - Specifies a tag to be associated with the message.
- * flags1 - Option for path.
- * IPPRTY- 0x20 specifies if you want to send priority message.
- * prmmsg - 8-bytes of data to be placed into the parameter list.
- * ansbuf - Address of array of buffer into which IUCV moves the reply
- * of this message.
- * anslen - Address of length of reply buffers.
- * Output: msgid - Specifies the message ID.
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Ansbuf address is NULL.
-*/
-int iucv_send2way_prmmsg_array (u16 pathid,
- u32 * msgid,
- u32 trgcls,
- u32 srccls,
- u32 msgtag,
- int flags1,
- uchar prmmsg[8],
- iucv_array_t * ansbuf, ulong anslen);
-
-/*
- * Name: iucv_setmask
- * Purpose: This function enables or disables the following IUCV
- * external interruptions: Nonpriority and priority message
- * interrupts, nonpriority and priority reply interrupts.
- * Input: SetMaskFlag - options for interrupts
- * 0x80 - Nonpriority_MessagePendingInterruptsFlag
- * 0x40 - Priority_MessagePendingInterruptsFlag
- * 0x20 - Nonpriority_MessageCompletionInterruptsFlag
- * 0x10 - Priority_MessageCompletionInterruptsFlag
- * 0x08 - IUCVControlInterruptsFlag
- * Output: NA
- * Return: Return code from CP IUCV call.
-*/
-int iucv_setmask (int SetMaskFlag);
-
-/*
- * Name: iucv_sever
- * Purpose: This function terminates an IUCV path.
- * Input: pathid - Path identification number.
- * user_data - 16-bytes of user data.
- * Output: NA
- * Return: Return code from CP IUCV call.
- * (-EINVAL) - Interal error, wild pointer.
-*/
-int iucv_sever (u16 pathid, uchar user_data[16]);