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Diffstat (limited to 'drivers/s390/net/iucv.h')
| -rw-r--r-- | drivers/s390/net/iucv.h | 849 |
1 files changed, 849 insertions, 0 deletions
diff --git a/drivers/s390/net/iucv.h b/drivers/s390/net/iucv.h new file mode 100644 index 0000000..1983302 --- /dev/null +++ b/drivers/s390/net/iucv.h @@ -0,0 +1,849 @@ +/* + * 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_INDEX 1 +#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_INDEX 1 +#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_INDEX 2 +#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]); |