44 p9pdu_writef(struct p9_fcall *pdu, int proto_version, const char *fmt, ...);
56 size_t pdu_read(struct p9_fcall *pdu, void *data, size_t size)  in pdu_read()  argument
58 	size_t len = min(pdu->size - pdu->offset, size);  in pdu_read()
59 	memcpy(data, &pdu->sdata[pdu->offset], len);  in pdu_read()
60 	pdu->offset += len;  in pdu_read()
64 static size_t pdu_write(struct p9_fcall *pdu, const void *data, size_t size)  in pdu_write()  argument
66 	size_t len = min(pdu->capacity - pdu->size, size);  in pdu_write()
67 	memcpy(&pdu->sdata[pdu->size], data, len);  in pdu_write()
68 	pdu->size += len;  in pdu_write()
73 pdu_write_u(struct p9_fcall *pdu, struct iov_iter *from, size_t size)  in pdu_write_u()  argument
75 	size_t len = min(pdu->capacity - pdu->size, size);  in pdu_write_u()
77 	if (copy_from_iter(&pdu->sdata[pdu->size], len, &i) != len)  in pdu_write_u()
80 	pdu->size += len;  in pdu_write_u()
102 p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,  in p9pdu_vreadf()  argument
112 				if (pdu_read(pdu, val, sizeof(*val))) {  in p9pdu_vreadf()
121 				if (pdu_read(pdu, &le_val, sizeof(le_val))) {  in p9pdu_vreadf()
131 				if (pdu_read(pdu, &le_val, sizeof(le_val))) {  in p9pdu_vreadf()
141 				if (pdu_read(pdu, &le_val, sizeof(le_val))) {  in p9pdu_vreadf()
152 				errcode = p9pdu_readf(pdu, proto_version,  in p9pdu_vreadf()
162 				if (pdu_read(pdu, *sptr, len)) {  in p9pdu_vreadf()
173 				if (pdu_read(pdu, &le_val, sizeof(le_val))) {  in p9pdu_vreadf()
183 				if (pdu_read(pdu, &le_val, sizeof(le_val))) {  in p9pdu_vreadf()
194 				errcode = p9pdu_readf(pdu, proto_version, "bdq",  in p9pdu_vreadf()
208 				    p9pdu_readf(pdu, proto_version,  in p9pdu_vreadf()
228 				    p9pdu_readf(pdu, proto_version, "d", count);  in p9pdu_vreadf()
232 						  pdu->size - pdu->offset);  in p9pdu_vreadf()
233 					*data = &pdu->sdata[pdu->offset];  in p9pdu_vreadf()
241 				errcode = p9pdu_readf(pdu, proto_version,  in p9pdu_vreadf()
256 						    p9pdu_readf(pdu,  in p9pdu_vreadf()
285 				    p9pdu_readf(pdu, proto_version, "w", nwqid);  in p9pdu_vreadf()
300 						    p9pdu_readf(pdu,  in p9pdu_vreadf()
321 				    p9pdu_readf(pdu, proto_version,  in p9pdu_vreadf()
360 p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,  in p9pdu_vwritef()  argument
370 				if (pdu_write(pdu, &val, sizeof(val)))  in p9pdu_vwritef()
376 				if (pdu_write(pdu, &val, sizeof(val)))  in p9pdu_vwritef()
382 				if (pdu_write(pdu, &val, sizeof(val)))  in p9pdu_vwritef()
388 				if (pdu_write(pdu, &val, sizeof(val)))  in p9pdu_vwritef()
399 				errcode = p9pdu_writef(pdu, proto_version,  in p9pdu_vwritef()
401 				if (!errcode && pdu_write(pdu, sptr, len))  in p9pdu_vwritef()
409 				if (pdu_write(pdu, &val, sizeof(val)))  in p9pdu_vwritef()
416 				if (pdu_write(pdu, &val, sizeof(val)))  in p9pdu_vwritef()
423 				    p9pdu_writef(pdu, proto_version, "bdq",  in p9pdu_vwritef()
431 				    p9pdu_writef(pdu, proto_version,  in p9pdu_vwritef()
446 				errcode = p9pdu_writef(pdu, proto_version, "d",  in p9pdu_vwritef()
448 				if (!errcode && pdu_write_u(pdu, from, count))  in p9pdu_vwritef()
456 				errcode = p9pdu_writef(pdu, proto_version, "w",  in p9pdu_vwritef()
463 						    p9pdu_writef(pdu,  in p9pdu_vwritef()
478 				errcode = p9pdu_writef(pdu, proto_version, "w",  in p9pdu_vwritef()
485 						    p9pdu_writef(pdu,  in p9pdu_vwritef()
499 				errcode = p9pdu_writef(pdu, proto_version,  in p9pdu_vwritef()
529 int p9pdu_readf(struct p9_fcall *pdu, int proto_version, const char *fmt, ...)  in p9pdu_readf()  argument
535 	ret = p9pdu_vreadf(pdu, proto_version, fmt, ap);  in p9pdu_readf()
542 p9pdu_writef(struct p9_fcall *pdu, int proto_version, const char *fmt, ...)  in p9pdu_writef()  argument
548 	ret = p9pdu_vwritef(pdu, proto_version, fmt, ap);  in p9pdu_writef()
574 int p9pdu_prepare(struct p9_fcall *pdu, int16_t tag, int8_t type)  in p9pdu_prepare()  argument
576 	pdu->id = type;  in p9pdu_prepare()
577 	return p9pdu_writef(pdu, 0, "dbw", 0, type, tag);  in p9pdu_prepare()
580 int p9pdu_finalize(struct p9_client *clnt, struct p9_fcall *pdu)  in p9pdu_finalize()  argument
582 	int size = pdu->size;  in p9pdu_finalize()
585 	pdu->size = 0;  in p9pdu_finalize()
586 	err = p9pdu_writef(pdu, 0, "d", size);  in p9pdu_finalize()
587 	pdu->size = size;  in p9pdu_finalize()
589 	trace_9p_protocol_dump(clnt, pdu);  in p9pdu_finalize()
591 		 pdu->size, pdu->id, pdu->tag);  in p9pdu_finalize()
596 void p9pdu_reset(struct p9_fcall *pdu)  in p9pdu_reset()  argument
598 	pdu->offset = 0;  in p9pdu_reset()
599 	pdu->size = 0;  in p9pdu_reset()