316 static int __i2c_write(struct hfi1_pportdata *ppd, u32 target, int i2c_addr,  in __i2c_write()  argument
319 	struct hfi1_devdata *dd = ppd->dd;  in __i2c_write()
335 int i2c_write(struct hfi1_pportdata *ppd, u32 target, int i2c_addr, int offset,  in i2c_write()  argument
340 	if (!check_chip_resource(ppd->dd, i2c_target(target), __func__))  in i2c_write()
343 	ret = __i2c_write(ppd, target, i2c_addr, offset, bp, len);  in i2c_write()
355 static int __i2c_read(struct hfi1_pportdata *ppd, u32 target, int i2c_addr,  in __i2c_read()  argument
358 	struct hfi1_devdata *dd = ppd->dd;  in __i2c_read()
374 int i2c_read(struct hfi1_pportdata *ppd, u32 target, int i2c_addr, int offset,  in i2c_read()  argument
379 	if (!check_chip_resource(ppd->dd, i2c_target(target), __func__))  in i2c_read()
382 	ret = __i2c_read(ppd, target, i2c_addr, offset, bp, len);  in i2c_read()
397 int qsfp_write(struct hfi1_pportdata *ppd, u32 target, int addr, void *bp,  in qsfp_write()  argument
406 	if (!check_chip_resource(ppd->dd, i2c_target(target), __func__))  in qsfp_write()
416 		ret = __i2c_write(ppd, target, QSFP_DEV | QSFP_OFFSET_SIZE,  in qsfp_write()
421 			hfi1_dev_porterr(ppd->dd, ppd->port,  in qsfp_write()
433 		ret = __i2c_write(ppd, target, QSFP_DEV | QSFP_OFFSET_SIZE,  in qsfp_write()
453 int one_qsfp_write(struct hfi1_pportdata *ppd, u32 target, int addr, void *bp,  in one_qsfp_write()  argument
456 	struct hfi1_devdata *dd = ppd->dd;  in one_qsfp_write()
463 	ret = qsfp_write(ppd, target, addr, bp, len);  in one_qsfp_write()
477 int qsfp_read(struct hfi1_pportdata *ppd, u32 target, int addr, void *bp,  in qsfp_read()  argument
486 	if (!check_chip_resource(ppd->dd, i2c_target(target), __func__))  in qsfp_read()
495 		ret = __i2c_write(ppd, target, QSFP_DEV | QSFP_OFFSET_SIZE,  in qsfp_read()
500 			hfi1_dev_porterr(ppd->dd, ppd->port,  in qsfp_read()
512 		ret = __i2c_read(ppd, target, QSFP_DEV | QSFP_OFFSET_SIZE,  in qsfp_read()
530 int one_qsfp_read(struct hfi1_pportdata *ppd, u32 target, int addr, void *bp,  in one_qsfp_read()  argument
533 	struct hfi1_devdata *dd = ppd->dd;  in one_qsfp_read()
540 	ret = qsfp_read(ppd, target, addr, bp, len);  in one_qsfp_read()
558 int refresh_qsfp_cache(struct hfi1_pportdata *ppd, struct qsfp_data *cp)  in refresh_qsfp_cache()  argument
560 	u32 target = ppd->dd->hfi1_id;  in refresh_qsfp_cache()
567 	spin_lock_irqsave(&ppd->qsfp_info.qsfp_lock, flags);  in refresh_qsfp_cache()
568 	ppd->qsfp_info.cache_valid = 0;  in refresh_qsfp_cache()
569 	spin_unlock_irqrestore(&ppd->qsfp_info.qsfp_lock, flags);  in refresh_qsfp_cache()
571 	if (!qsfp_mod_present(ppd)) {  in refresh_qsfp_cache()
576 	ret = qsfp_read(ppd, target, 0, cache, QSFP_PAGESIZE);  in refresh_qsfp_cache()
578 		dd_dev_info(ppd->dd,  in refresh_qsfp_cache()
589 			ret = qsfp_read(ppd, target, 384, cache + 256, 128);  in refresh_qsfp_cache()
591 				dd_dev_info(ppd->dd, "%s failed\n", __func__);  in refresh_qsfp_cache()
594 			ret = qsfp_read(ppd, target, 640, cache + 384, 128);  in refresh_qsfp_cache()
596 				dd_dev_info(ppd->dd, "%s failed\n", __func__);  in refresh_qsfp_cache()
599 			ret = qsfp_read(ppd, target, 896, cache + 512, 128);  in refresh_qsfp_cache()
601 				dd_dev_info(ppd->dd, "%s failed\n", __func__);  in refresh_qsfp_cache()
606 			ret = qsfp_read(ppd, target, 640, cache + 384, 128);  in refresh_qsfp_cache()
608 				dd_dev_info(ppd->dd, "%s failed\n", __func__);  in refresh_qsfp_cache()
611 			ret = qsfp_read(ppd, target, 896, cache + 512, 128);  in refresh_qsfp_cache()
613 				dd_dev_info(ppd->dd, "%s failed\n", __func__);  in refresh_qsfp_cache()
618 			ret = qsfp_read(ppd, target, 384, cache + 256, 128);  in refresh_qsfp_cache()
620 				dd_dev_info(ppd->dd, "%s failed\n", __func__);  in refresh_qsfp_cache()
623 			ret = qsfp_read(ppd, target, 896, cache + 512, 128);  in refresh_qsfp_cache()
625 				dd_dev_info(ppd->dd, "%s failed\n", __func__);  in refresh_qsfp_cache()
630 			ret = qsfp_read(ppd, target, 896, cache + 512, 128);  in refresh_qsfp_cache()
632 				dd_dev_info(ppd->dd, "%s failed\n", __func__);  in refresh_qsfp_cache()
638 	spin_lock_irqsave(&ppd->qsfp_info.qsfp_lock, flags);  in refresh_qsfp_cache()
639 	ppd->qsfp_info.cache_valid = 1;  in refresh_qsfp_cache()
640 	ppd->qsfp_info.cache_refresh_required = 0;  in refresh_qsfp_cache()
641 	spin_unlock_irqrestore(&ppd->qsfp_info.qsfp_lock, flags);  in refresh_qsfp_cache()
683 int qsfp_mod_present(struct hfi1_pportdata *ppd)  in qsfp_mod_present()  argument
685 	struct hfi1_devdata *dd = ppd->dd;  in qsfp_mod_present()
710 	struct hfi1_pportdata *ppd;  in get_cable_info()  local
721 	ppd = dd->pport + (port_num - 1);  in get_cable_info()
722 	if (!qsfp_mod_present(ppd)) {  in get_cable_info()
727 	if (!ppd->qsfp_info.cache_valid) {  in get_cable_info()
739 		memcpy(data, &ppd->qsfp_info.cache[addr], (len - excess_len));  in get_cable_info()
744 	memcpy(data, &ppd->qsfp_info.cache[addr], len);  in get_cable_info()
766 		ret = one_qsfp_read(ppd, dd->hfi1_id, addr, data + offset, len);  in get_cable_info()
790 int qsfp_dump(struct hfi1_pportdata *ppd, char *buf, int len)  in qsfp_dump()  argument
792 	u8 *cache = &ppd->qsfp_info.cache[0];  in qsfp_dump()
805 	if (ppd->qsfp_info.cache_valid) {  in qsfp_dump()