hisilicon/hns/hns_dsaf_rcb.c

205  *@rcb_common: rcb common device
207 void hns_rcb_common_init_commit_hw(struct rcb_common_cb *rcb_common)
210 	dsaf_write_dev(rcb_common, RCB_COM_CFG_SYS_FSH_REG, 1);
289  *@rcb_common: rcb_common device
293 static void hns_rcb_set_port_desc_cnt(struct rcb_common_cb *rcb_common,
296 	dsaf_write_dev(rcb_common, RCB_CFG_BD_NUM_REG + port_idx * 4,
301 	struct rcb_common_cb *rcb_common, u32 port_idx, u32 timeout)
303 	if (AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver)) {
304 		dsaf_write_dev(rcb_common, RCB_CFG_OVERTIME_REG,
306 	} else if (!HNS_DSAF_IS_DEBUG(rcb_common->dsaf_dev)) {
308 			dsaf_write_dev(rcb_common,
312 			dsaf_write_dev(rcb_common,
316 		dsaf_write_dev(rcb_common,
320 		dsaf_write_dev(rcb_common,
326 static int hns_rcb_common_get_port_num(struct rcb_common_cb *rcb_common)
328 	if (!HNS_DSAF_IS_DEBUG(rcb_common->dsaf_dev))
336 			struct rcb_common_cb *rcb_common, int en)
342 	dsaf_write_dev(rcb_common, RCB_COM_INTSTS_ECC_ERR_REG, clr_vlue);
344 	dsaf_write_dev(rcb_common, RCB_COM_SF_CFG_RING_STS, clr_vlue);
346 	dsaf_write_dev(rcb_common, RCB_COM_SF_CFG_BD_RINT_STS, clr_vlue);
348 	dsaf_write_dev(rcb_common, RCB_COM_RINT_TX_PKT_REG, clr_vlue);
349 	dsaf_write_dev(rcb_common, RCB_COM_AXI_ERR_STS, clr_vlue);
352 	dsaf_write_dev(rcb_common, RCB_COM_INTMASK_ECC_ERR_REG, msk_vlue);
354 	dsaf_write_dev(rcb_common, RCB_COM_SF_CFG_INTMASK_RING, msk_vlue);
357 	dsaf_write_dev(rcb_common, RCB_COM_SF_CFG_INTMASK_BD, msk_vlue | 2);
359 	dsaf_write_dev(rcb_common, RCB_COM_INTMSK_TX_PKT_REG, msk_vlue);
360 	dsaf_write_dev(rcb_common, RCB_COM_AXI_WR_ERR_INTMASK, msk_vlue);
365  *@rcb_common: rcb_common device
368 int hns_rcb_common_init_hw(struct rcb_common_cb *rcb_common)
372 	int port_num = hns_rcb_common_get_port_num(rcb_common);
374 	hns_rcb_comm_exc_irq_en(rcb_common, 0);
376 	reg_val = dsaf_read_dev(rcb_common, RCB_COM_CFG_INIT_FLAG_REG);
378 		dev_err(rcb_common->dsaf_dev->dev,
384 		hns_rcb_set_port_desc_cnt(rcb_common, i, rcb_common->desc_num);
386 			rcb_common, i, HNS_RCB_DEF_RX_COALESCED_FRAMES);
387 		if (!AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver) &&
388 		    !HNS_DSAF_IS_DEBUG(rcb_common->dsaf_dev))
390 				rcb_common, i, HNS_RCB_DEF_TX_COALESCED_FRAMES);
392 			rcb_common, i, HNS_RCB_DEF_COALESCED_USECS);
395 	dsaf_write_dev(rcb_common, RCB_COM_CFG_ENDIAN_REG,
398 	if (AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver)) {
399 		dsaf_write_dev(rcb_common, RCB_COM_CFG_FNA_REG, 0x0);
400 		dsaf_write_dev(rcb_common, RCB_COM_CFG_FA_REG, 0x1);
402 		dsaf_set_dev_bit(rcb_common, RCBV2_COM_CFG_USER_REG,
404 		dsaf_set_dev_bit(rcb_common, RCBV2_COM_CFG_USER_REG,
406 		dsaf_set_dev_bit(rcb_common, RCBV2_COM_CFG_TSO_MODE_REG,
440 	struct rcb_common_cb *rcb_common;
446 	is_ver1 = AE_IS_VER1(ring_pair_cb->rcb_common->dsaf_dev->dsaf_ver);
461 	rcb_common = ring_pair_cb->rcb_common;
462 	desc_num = rcb_common->dsaf_dev->desc_num;
488 	struct rcb_common_cb *rcb_common, int ring_idx)
490 	return ring_idx / (rcb_common->max_q_per_vf * rcb_common->max_vfn);
495 static int hns_rcb_get_base_irq_idx(struct rcb_common_cb *rcb_common)
497 	bool is_ver1 = AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver);
499 	if (!HNS_DSAF_IS_DEBUG(rcb_common->dsaf_dev))
509  *@rcb_common: rcb common device
511 int hns_rcb_get_cfg(struct rcb_common_cb *rcb_common)
515 	u32 ring_num = rcb_common->ring_num;
516 	int base_irq_idx = hns_rcb_get_base_irq_idx(rcb_common);
518 		to_platform_device(rcb_common->dsaf_dev->dev);
519 	bool is_ver1 = AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver);
522 		ring_pair_cb = &rcb_common->ring_pair_cb[i];
523 		ring_pair_cb->rcb_common = rcb_common;
524 		ring_pair_cb->dev = rcb_common->dsaf_dev->dev;
527 			RCB_COMM_BASE_TO_RING_BASE(rcb_common->io_base, i);
529 			hns_rcb_get_port_in_comm(rcb_common, i);
541 			RCB_COMM_BASE_TO_RING_BASE(rcb_common->phy_base, i);
550  *@rcb_common: rcb_common device
556 	struct rcb_common_cb *rcb_common, u32 port_idx)
558 	return dsaf_read_dev(rcb_common, RCB_CFG_PKTLINE_REG + port_idx * 4);
563  *@rcb_common: rcb_common device
569 	struct rcb_common_cb *rcb_common, u32 port_idx)
574 	return dsaf_read_dev(rcb_common, reg);
579  *@rcb_common: rcb_common device
585 	struct rcb_common_cb *rcb_common, u32 port_idx)
587 	if (AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver))
588 		return dsaf_read_dev(rcb_common, RCB_CFG_OVERTIME_REG) /
591 		return dsaf_read_dev(rcb_common,
597  *@rcb_common: rcb_common device
605 	struct rcb_common_cb *rcb_common, u32 port_idx, u32 timeout)
607 	u32 old_timeout = hns_rcb_get_coalesce_usecs(rcb_common, port_idx);
612 	if (AE_IS_VER1(rcb_common->dsaf_dev->dsaf_ver)) {
613 		if (!HNS_DSAF_IS_DEBUG(rcb_common->dsaf_dev)) {
614 			dev_err(rcb_common->dsaf_dev->dev,
620 		dev_err(rcb_common->dsaf_dev->dev,
624 	hns_rcb_set_port_timeout(rcb_common, port_idx, timeout);
630  *@rcb_common: rcb_common device
638 	struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames)
641 		hns_rcb_get_tx_coalesced_frames(rcb_common, port_idx);
648 		dev_err(rcb_common->dsaf_dev->dev,
654 	dsaf_write_dev(rcb_common, reg,	coalesced_frames);
660  *@rcb_common: rcb_common device
668 	struct rcb_common_cb *rcb_common, u32 port_idx, u32 coalesced_frames)
671 		hns_rcb_get_rx_coalesced_frames(rcb_common, port_idx);
676 	if (coalesced_frames >= rcb_common->desc_num ||
679 		dev_err(rcb_common->dsaf_dev->dev,
684 	dsaf_write_dev(rcb_common, RCB_CFG_PKTLINE_REG + port_idx * 4,
760 static u8 __iomem *hns_rcb_common_get_vaddr(struct rcb_common_cb *rcb_common)
762 	struct dsaf_device *dsaf_dev = rcb_common->dsaf_dev;
767 static phys_addr_t hns_rcb_common_get_paddr(struct rcb_common_cb *rcb_common)
769 	struct dsaf_device *dsaf_dev = rcb_common->dsaf_dev;
777 	struct rcb_common_cb *rcb_common;
783 	rcb_common =
785 			     struct_size(rcb_common, ring_pair_cb, ring_num),
787 	if (!rcb_common) {
791 	rcb_common->comm_index = comm_index;
792 	rcb_common->ring_num = ring_num;
793 	rcb_common->dsaf_dev = dsaf_dev;
795 	rcb_common->desc_num = dsaf_dev->desc_num;
798 	rcb_common->max_vfn = max_vfn;
799 	rcb_common->max_q_per_vf = max_q_per_vf;
801 	rcb_common->io_base = hns_rcb_common_get_vaddr(rcb_common);
802 	rcb_common->phy_base = hns_rcb_common_get_paddr(rcb_common);
804 	dsaf_dev->rcb_common[comm_index] = rcb_common;
811 	dsaf_dev->rcb_common[comm_index] = NULL;
818 	struct dsaf_device *dsaf_dev = ring->rcb_common->dsaf_dev;
820 		= dsaf_dev->ppe_common[ring->rcb_common->comm_index];