50 	struct write_sccb *sccb;  in sclp_make_buffer()  local
52 	sccb = (struct write_sccb *) page;  in sclp_make_buffer()
57 	buffer = ((struct sclp_buffer *) ((addr_t) sccb + PAGE_SIZE)) - 1;  in sclp_make_buffer()
58 	buffer->sccb = sccb;  in sclp_make_buffer()
68 	memset(sccb, 0, sizeof(struct write_sccb));  in sclp_make_buffer()
69 	sccb->header.length = sizeof(struct write_sccb);  in sclp_make_buffer()
70 	sccb->msg_buf.header.length = sizeof(struct msg_buf);  in sclp_make_buffer()
71 	sccb->msg_buf.header.type = EVTYP_MSG;  in sclp_make_buffer()
72 	sccb->msg_buf.mdb.header.length = sizeof(struct mdb);  in sclp_make_buffer()
73 	sccb->msg_buf.mdb.header.type = 1;  in sclp_make_buffer()
74 	sccb->msg_buf.mdb.header.tag = 0xD4C4C240;	/* ebcdic "MDB " */  in sclp_make_buffer()
75 	sccb->msg_buf.mdb.header.revision_code = 1;  in sclp_make_buffer()
76 	sccb->msg_buf.mdb.go.length = sizeof(struct go);  in sclp_make_buffer()
77 	sccb->msg_buf.mdb.go.type = 1;  in sclp_make_buffer()
89 	return buffer->sccb;  in sclp_unmake_buffer()
99 	struct write_sccb *sccb;  in sclp_initialize_mto()  local
107 	sccb = buffer->sccb;  in sclp_initialize_mto()
108 	if ((MAX_SCCB_ROOM - sccb->header.length) < mto_size)  in sclp_initialize_mto()
112 	mto = (struct mto *)(((addr_t) sccb) + sccb->header.length);  in sclp_initialize_mto()
137 	struct write_sccb *sccb;  in sclp_finalize_mto()  local
149 	sccb = buffer->sccb;  in sclp_finalize_mto()
150 	mto = (struct mto *)(((addr_t) sccb) + sccb->header.length);  in sclp_finalize_mto()
159 	sccb->header.length += mto_size;  in sclp_finalize_mto()
160 	sccb->msg_buf.header.length += mto_size;  in sclp_finalize_mto()
161 	sccb->msg_buf.mdb.header.length += mto_size;  in sclp_finalize_mto()
221 			buffer->sccb->msg_buf.mdb.go.general_msg_flags |=  in sclp_write()
314 	count = MAX_SCCB_ROOM - buffer->sccb->header.length;  in sclp_buffer_space()
381 	struct write_sccb *sccb;  in sclp_writedata_callback()  local
384 	sccb = buffer->sccb;  in sclp_writedata_callback()
392 	switch (sccb->header.response_code) {  in sclp_writedata_callback()
404 		if (sclp_remove_processed((struct sccb_header *) sccb) > 0) {  in sclp_writedata_callback()
406 			sccb->header.response_code = 0x0000;  in sclp_writedata_callback()
422 		sccb->header.response_code = 0x0000;  in sclp_writedata_callback()
429 		if (sccb->header.response_code == 0x71f0)  in sclp_writedata_callback()
448 	struct write_sccb *sccb;  in sclp_emit_buffer()  local
458 	sccb = buffer->sccb;  in sclp_emit_buffer()
461 		sccb->msg_buf.header.type = EVTYP_MSG;  in sclp_emit_buffer()
464 		sccb->msg_buf.header.type = EVTYP_PMSGCMD;  in sclp_emit_buffer()
471 	buffer->request.sccb = sccb;  in sclp_emit_buffer()