hw/qib/qib_qsfp.c

51 	int ret, cnt, pass = 0;
55 	ret = mutex_lock_interruptible(&dd->eep_lock);
56 	if (ret)
60 		ret = -ENXIO;
87 	ret = qib_twsi_reset(dd);
88 	if (ret) {
91 		ret = -EIO;
106 		ret = qib_twsi_blk_rd(dd, QSFP_DEV, addr, buff + cnt, wlen);
108 		if (ret && cnt == 0 && ++pass < QSFP_MAX_RETRY)
110 		if (ret) {
112 			ret = -EIO;
118 	ret = cnt;
138 	if (pass >= QSFP_MAX_RETRY && ret)
149 	return ret;
162 	int ret, cnt;
165 	ret = mutex_lock_interruptible(&dd->eep_lock);
166 	if (ret)
170 		ret = -ENXIO;
196 	ret = qib_twsi_reset(dd);
197 	if (ret) {
200 		ret = -EIO;
214 		ret = qib_twsi_blk_wr(dd, QSFP_DEV, addr, buff + cnt, wlen);
215 		if (ret) {
217 			ret = -EIO;
223 	ret = cnt;
245 	return ret;
255 	int ret;
261 		ret = qsfp_read(ppd, first, &bval, 1);
262 		if (ret < 0)
267 	ret = cks & 0xFF;
269 	return ret;
275 	int ret;
284 		ret = -ENODEV;
288 	ret = qsfp_read(ppd, 0, peek, 3);
289 	if (ret < 0)
302 		ret = qib_qsfp_write(ppd, 127, &poke, 1);
304 		if (ret != 1) {
311 	ret = qsfp_read(ppd, QSFP_MOD_ID_OFFS, &cp->id, 1);
312 	if (ret < 0)
319 	ret = qsfp_read(ppd, QSFP_MOD_PWR_OFFS, &cp->pwr, 1);
320 	if (ret < 0)
324 	ret = qsfp_cks(ppd, QSFP_MOD_PWR_OFFS + 1, QSFP_MOD_LEN_OFFS);
325 	if (ret < 0)
327 	cks += ret;
329 	ret = qsfp_read(ppd, QSFP_MOD_LEN_OFFS, &cp->len, 1);
330 	if (ret < 0)
334 	ret = qsfp_read(ppd, QSFP_MOD_TECH_OFFS, &cp->tech, 1);
335 	if (ret < 0)
339 	ret = qsfp_read(ppd, QSFP_VEND_OFFS, &cp->vendor, QSFP_VEND_LEN);
340 	if (ret < 0)
345 	ret = qsfp_read(ppd, QSFP_IBXCV_OFFS, &cp->xt_xcv, 1);
346 	if (ret < 0)
350 	ret = qsfp_read(ppd, QSFP_VOUI_OFFS, &cp->oui, QSFP_VOUI_LEN);
351 	if (ret < 0)
356 	ret = qsfp_read(ppd, QSFP_PN_OFFS, &cp->partnum, QSFP_PN_LEN);
357 	if (ret < 0)
362 	ret = qsfp_read(ppd, QSFP_REV_OFFS, &cp->rev, QSFP_REV_LEN);
363 	if (ret < 0)
368 	ret = qsfp_read(ppd, QSFP_ATTEN_OFFS, &cp->atten, QSFP_ATTEN_LEN);
369 	if (ret < 0)
374 	ret = qsfp_cks(ppd, QSFP_ATTEN_OFFS + QSFP_ATTEN_LEN, QSFP_CC_OFFS);
375 	if (ret < 0)
377 	cks += ret;
380 	ret = qsfp_read(ppd, QSFP_CC_OFFS, &cp->cks1, 1);
381 	if (ret < 0)
389 	ret = qsfp_cks(ppd, QSFP_CC_OFFS + 1, QSFP_SN_OFFS);
390 	if (ret < 0)
392 	cks = ret;
394 	ret = qsfp_read(ppd, QSFP_SN_OFFS, &cp->serial, QSFP_SN_LEN);
395 	if (ret < 0)
400 	ret = qsfp_read(ppd, QSFP_DATE_OFFS, &cp->date, QSFP_DATE_LEN);
401 	if (ret < 0)
406 	ret = qsfp_read(ppd, QSFP_LOT_OFFS, &cp->lot, QSFP_LOT_LEN);
407 	if (ret < 0)
412 	ret = qsfp_cks(ppd, QSFP_LOT_OFFS + QSFP_LOT_LEN, QSFP_CC_EXT_OFFS);
413 	if (ret < 0)
415 	cks += ret;
417 	ret = qsfp_read(ppd, QSFP_CC_EXT_OFFS, &cp->cks2, 1);
418 	if (ret < 0)
429 	return ret;
447 	int ret;
451 	ret = ppd->dd->f_gpio_mod(ppd->dd, 0, 0, 0);
453 	return !((ret & mask) >>
493 	int sofar, ret;
497 	ret = qib_refresh_qsfp_cache(ppd, &cd);
498 	if (ret < 0)
536 		ret = qsfp_read(ppd, bidx, bin_buff, QSFP_DUMP_CHUNK);
537 		if (ret < 0)
539 		for (iidx = 0; iidx < ret; ++iidx) {
546 	ret = sofar;
548 	return ret;