194 p9pdu_writef(struct p9_fcall *pdu, int proto_version, const char *fmt, ...);
211 size_t pdu_read(struct p9_fcall *pdu, void *data, size_t size)  in pdu_read()  argument
213 	size_t len = min(pdu->size - pdu->offset, size);  in pdu_read()
215 	memcpy(data, &pdu->sdata[pdu->offset], len);  in pdu_read()
216 	pdu->offset += len;  in pdu_read()
220 static size_t pdu_write(struct p9_fcall *pdu, const void *data, size_t size)  in pdu_write()  argument
222 	size_t len = min(pdu->capacity - pdu->size, size);  in pdu_write()
224 	memcpy(&pdu->sdata[pdu->size], data, len);  in pdu_write()
225 	pdu->size += len;  in pdu_write()
230 pdu_write_u(struct p9_fcall *pdu, struct iov_iter *from, size_t size)  in pdu_write_u()  argument
232 	size_t len = min(pdu->capacity - pdu->size, size);  in pdu_write_u()
234 	if (!copy_from_iter_full(&pdu->sdata[pdu->size], len, from))  in pdu_write_u()
237 	pdu->size += len;  in pdu_write_u()
258 p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,  in p9pdu_vreadf()  argument
268 				if (pdu_read(pdu, val, sizeof(*val))) {  in p9pdu_vreadf()
277 				if (pdu_read(pdu, &le_val, sizeof(le_val))) {  in p9pdu_vreadf()
287 				if (pdu_read(pdu, &le_val, sizeof(le_val))) {  in p9pdu_vreadf()
297 				if (pdu_read(pdu, &le_val, sizeof(le_val))) {  in p9pdu_vreadf()
308 				errcode = p9pdu_readf(pdu, proto_version,  in p9pdu_vreadf()
318 				if (pdu_read(pdu, *sptr, len)) {  in p9pdu_vreadf()
329 				if (pdu_read(pdu, &le_val, sizeof(le_val))) {  in p9pdu_vreadf()
339 				if (pdu_read(pdu, &le_val, sizeof(le_val))) {  in p9pdu_vreadf()
350 				errcode = p9pdu_readf(pdu, proto_version, "bdq",  in p9pdu_vreadf()
364 				    p9pdu_readf(pdu, proto_version,  in p9pdu_vreadf()
384 				    p9pdu_readf(pdu, proto_version, "d", count);  in p9pdu_vreadf()
388 						  pdu->size - pdu->offset);  in p9pdu_vreadf()
389 					*data = &pdu->sdata[pdu->offset];  in p9pdu_vreadf()
399 				errcode = p9pdu_readf(pdu, proto_version,  in p9pdu_vreadf()
417 						    p9pdu_readf(pdu,  in p9pdu_vreadf()
451 				    p9pdu_readf(pdu, proto_version, "w", nwqid);  in p9pdu_vreadf()
466 						    p9pdu_readf(pdu,  in p9pdu_vreadf()
487 				    p9pdu_readf(pdu, proto_version,  in p9pdu_vreadf()
526 p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,  in p9pdu_vwritef()  argument
536 				if (pdu_write(pdu, &val, sizeof(val)))  in p9pdu_vwritef()
542 				if (pdu_write(pdu, &val, sizeof(val)))  in p9pdu_vwritef()
548 				if (pdu_write(pdu, &val, sizeof(val)))  in p9pdu_vwritef()
554 				if (pdu_write(pdu, &val, sizeof(val)))  in p9pdu_vwritef()
565 				errcode = p9pdu_writef(pdu, proto_version,  in p9pdu_vwritef()
567 				if (!errcode && pdu_write(pdu, sptr, len))  in p9pdu_vwritef()
575 				if (pdu_write(pdu, &val, sizeof(val)))  in p9pdu_vwritef()
582 				if (pdu_write(pdu, &val, sizeof(val)))  in p9pdu_vwritef()
589 				    p9pdu_writef(pdu, proto_version, "bdq",  in p9pdu_vwritef()
597 				    p9pdu_writef(pdu, proto_version,  in p9pdu_vwritef()
612 				errcode = p9pdu_writef(pdu, proto_version, "d",  in p9pdu_vwritef()
614 				if (!errcode && pdu_write_u(pdu, from, count))  in p9pdu_vwritef()
622 				errcode = p9pdu_writef(pdu, proto_version, "w",  in p9pdu_vwritef()
629 						    p9pdu_writef(pdu,  in p9pdu_vwritef()
644 				errcode = p9pdu_writef(pdu, proto_version, "w",  in p9pdu_vwritef()
651 						    p9pdu_writef(pdu,  in p9pdu_vwritef()
665 				errcode = p9pdu_writef(pdu, proto_version,  in p9pdu_vwritef()
695 int p9pdu_readf(struct p9_fcall *pdu, int proto_version, const char *fmt, ...)  in p9pdu_readf()  argument
701 	ret = p9pdu_vreadf(pdu, proto_version, fmt, ap);  in p9pdu_readf()
708 p9pdu_writef(struct p9_fcall *pdu, int proto_version, const char *fmt, ...)  in p9pdu_writef()  argument
714 	ret = p9pdu_vwritef(pdu, proto_version, fmt, ap);  in p9pdu_writef()
741 int p9pdu_prepare(struct p9_fcall *pdu, int16_t tag, int8_t type)  in p9pdu_prepare()  argument
743 	pdu->id = type;  in p9pdu_prepare()
744 	return p9pdu_writef(pdu, 0, "dbw", 0, type, tag);  in p9pdu_prepare()
747 int p9pdu_finalize(struct p9_client *clnt, struct p9_fcall *pdu)  in p9pdu_finalize()  argument
749 	int size = pdu->size;  in p9pdu_finalize()
752 	pdu->size = 0;  in p9pdu_finalize()
753 	err = p9pdu_writef(pdu, 0, "d", size);  in p9pdu_finalize()
754 	pdu->size = size;  in p9pdu_finalize()
756 	trace_9p_protocol_dump(clnt, pdu);  in p9pdu_finalize()
758 		 pdu->size, pdu->id, pdu->tag);  in p9pdu_finalize()
763 void p9pdu_reset(struct p9_fcall *pdu)  in p9pdu_reset()  argument
765 	pdu->offset = 0;  in p9pdu_reset()
766 	pdu->size = 0;  in p9pdu_reset()