7  * your option) any later version. See the COPYING file in the top-level
12 #include "s390-ccw.h"
15 long write(int fd, const void *str, size_t len);
24         "-/.........,%_>?.........`:#@'=\""/* 7F */
30 /* Perform service call. Return 0 on success, non-zero otherwise. */
43                 return -EIO;  in sclp_service_call()
45                 return -EBUSY;  in sclp_service_call()
53     sccb->h.length = sizeof(WriteEventMask);  in sclp_set_write_mask()
54     sccb->mask_length = sizeof(unsigned int);  in sclp_set_write_mask()
55     sccb->cp_receive_mask = receive_mask;  in sclp_set_write_mask()
56     sccb->cp_send_mask = send_mask;  in sclp_set_write_mask()
66 long write(int fd, const void *str, size_t len)  in write()  argument
74         return -EIO;  in write()
77     for (i = 0; i < len; i++) {  in write()
80             len = i;  in write()
86             sccb->data[data_len++] = '\r';  in write()
89         sccb->data[data_len++] = *p;  in write()
93     sccb->h.length = sizeof(WriteEventData) + data_len;  in write()
94     sccb->h.function_code = SCLP_FC_NORMAL_WRITE;  in write()
95     sccb->ebh.length = sizeof(EventBufferHeader) + data_len;  in write()
96     sccb->ebh.type = SCLP_EVENT_ASCII_CONSOLE_DATA;  in write()
97     sccb->ebh.flags = 0;  in write()
101     return len;  in write()
110     sccb->h.length = SCCB_SIZE;  in sclp_get_loadparm_ascii()
112         ebcdic_to_ascii((char *) sccb->loadparm, loadparm, LOADPARM_LEN);  in sclp_get_loadparm_ascii()
119     char *buf = (char *)(&sccb->ebh) + 7;  in sclp_read()
121     /* If count exceeds max buffer size, then restrict it to the max size */  in sclp_read()
122     if (count > SCCB_SIZE - 8) {  in sclp_read()
123         count = SCCB_SIZE - 8;  in sclp_read()
126     sccb->h.length = SCCB_SIZE;  in sclp_read()
127     sccb->h.function_code = SCLP_UNCONDITIONAL_READ;  in sclp_read()
132     return sccb->ebh.length - 7;  in sclp_read()