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Searched refs:wr_idx (Results 1 – 17 of 17) sorted by relevance

/linux/drivers/misc/mei/
H A Ddma-ring.c220 u32 wr_idx, rd_idx, hbuf_depth, empty; in mei_dma_ring_empty_slots() local
231 wr_idx = READ_ONCE(ctrl->hbuf_wr_idx); in mei_dma_ring_empty_slots()
233 if (rd_idx > wr_idx) in mei_dma_ring_empty_slots()
234 empty = rd_idx - wr_idx; in mei_dma_ring_empty_slots()
236 empty = hbuf_depth - (wr_idx - rd_idx); in mei_dma_ring_empty_slots()
252 u32 wr_idx, rem, slots; in mei_dma_ring_write() local
259 wr_idx = READ_ONCE(ctrl->hbuf_wr_idx) & (hbuf_depth - 1); in mei_dma_ring_write()
262 if (wr_idx + slots > hbuf_depth) { in mei_dma_ring_write()
263 buf += mei_dma_copy_to(dev, buf, wr_idx, hbuf_depth - wr_idx); in mei_dma_ring_write()
264 rem = slots - (hbuf_depth - wr_idx); in mei_dma_ring_write()
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/linux/drivers/scsi/snic/
H A Dsnic_trc.c23 td = &trc->buf[trc->wr_idx]; in snic_get_trc_buf()
24 trc->wr_idx++; in snic_get_trc_buf()
26 if (trc->wr_idx == trc->max_idx) in snic_get_trc_buf()
27 trc->wr_idx = 0; in snic_get_trc_buf()
29 if (trc->wr_idx != trc->rd_idx) { in snic_get_trc_buf()
82 if (trc->rd_idx == trc->wr_idx) { in snic_get_trc_data()
130 trc->rd_idx = trc->wr_idx = 0; in snic_trc_init()
H A Dsnic_trc.h33 u32 wr_idx; member
/linux/drivers/scsi/fnic/
H A Dfnic_trace.c69 fnic_trace_entries.page_offset[fnic_trace_entries.wr_idx]; in fnic_trace_get_buf()
70 fnic_trace_entries.wr_idx++; in fnic_trace_get_buf()
76 if (fnic_trace_entries.wr_idx >= fnic_max_trace_entries) in fnic_trace_get_buf()
77 fnic_trace_entries.wr_idx = 0; in fnic_trace_get_buf()
83 if (fnic_trace_entries.wr_idx == fnic_trace_entries.rd_idx) { in fnic_trace_get_buf()
108 int wr_idx; in fnic_get_trace_data() local
117 wr_idx = fnic_trace_entries.wr_idx; in fnic_get_trace_data()
118 if (wr_idx < rd_idx) { in fnic_get_trace_data()
157 if (rd_idx == wr_idx) in fnic_get_trace_data()
160 } else if (wr_idx > rd_idx) { in fnic_get_trace_data()
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H A Dfnic_trace.h35 int wr_idx; member
/linux/drivers/misc/bcm-vk/
H A Dbcm_vk_msg.c90 u32 wr_idx, rd_idx; in msgq_occupied() local
92 wr_idx = readl_relaxed(&msgq->wr_idx); in msgq_occupied()
95 return ((wr_idx - rd_idx) & qinfo->q_mask); in msgq_occupied()
488 readl_relaxed(&msgq->wr_idx), in bcm_vk_sync_msgq()
603 u32 wr_idx; /* local copy */ in bcm_to_v_msg_enqueue() local
642 wr_idx = readl_relaxed(&msgq->wr_idx); in bcm_to_v_msg_enqueue()
644 if (wr_idx >= qinfo->q_size) { in bcm_to_v_msg_enqueue()
646 wr_idx, qinfo->q_size); in bcm_to_v_msg_enqueue()
652 dst = msgq_blk_addr(qinfo, wr_idx); in bcm_to_v_msg_enqueue()
657 wr_idx = msgq_inc(qinfo, wr_idx, 1); in bcm_to_v_msg_enqueue()
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H A Dbcm_vk_msg.h19 u32 wr_idx; /* write idx */ member
H A Dbcm_vk_dev.c254 log.buf_size, log.mask, log.rd_idx, log.wr_idx); in bcm_vk_dump_peer_log()
263 (log.wr_idx > log_info->mask) || in bcm_vk_dump_peer_log()
270 log.rd_idx, log.wr_idx); in bcm_vk_dump_peer_log()
277 while (log.rd_idx != log.wr_idx) { in bcm_vk_dump_peer_log()
421 (vk->peerlog_info.wr_idx > vk->peerlog_info.mask)) { in bcm_vk_get_card_info()
426 vk->peerlog_info.wr_idx); in bcm_vk_get_card_info()
433 vk->peerlog_info.wr_idx); in bcm_vk_get_card_info()
H A Dbcm_vk.h311 u32 wr_idx; member
/linux/drivers/net/ethernet/netronome/nfp/
H A Dnfp_net_xsk.c61 unsigned int wr_idx, wr_ptr_add = 0; in nfp_net_xsk_rx_ring_fill_freelist() local
65 wr_idx = D_IDX(rx_ring, rx_ring->wr_p); in nfp_net_xsk_rx_ring_fill_freelist()
71 nfp_net_xsk_rx_bufs_stash(rx_ring, wr_idx, xdp); in nfp_net_xsk_rx_ring_fill_freelist()
77 nfp_desc_set_dma_addr_48b(&rx_ring->rxds[wr_idx].fld, in nfp_net_xsk_rx_ring_fill_freelist()
78 rx_ring->xsk_rxbufs[wr_idx].dma_addr); in nfp_net_xsk_rx_ring_fill_freelist()
H A Dnfp_net_dp.c97 unsigned int wr_idx, last_idx; in nfp_net_rx_ring_reset() local
106 wr_idx = D_IDX(rx_ring, rx_ring->wr_p); in nfp_net_rx_ring_reset()
109 rx_ring->xsk_rxbufs[wr_idx] = rx_ring->xsk_rxbufs[last_idx]; in nfp_net_rx_ring_reset()
113 rx_ring->rxbufs[wr_idx] = rx_ring->rxbufs[last_idx]; in nfp_net_rx_ring_reset()
/linux/drivers/net/ethernet/cavium/liquidio/
H A Docteon_console.c737 u32 wr_idx, in octeon_console_free_bytes() argument
740 if (rd_idx >= buffer_size || wr_idx >= buffer_size) in octeon_console_free_bytes()
743 return ((buffer_size - 1) - (wr_idx - rd_idx)) % buffer_size; in octeon_console_free_bytes()
747 u32 wr_idx, in octeon_console_avail_bytes() argument
750 if (rd_idx >= buffer_size || wr_idx >= buffer_size) in octeon_console_avail_bytes()
754 octeon_console_free_bytes(buffer_size, wr_idx, rd_idx); in octeon_console_avail_bytes()
761 u32 rd_idx, wr_idx; in octeon_console_read() local
777 wr_idx = octeon_read_device_mem32(oct, console->addr + in octeon_console_read()
781 wr_idx, rd_idx); in octeon_console_read()
/linux/drivers/net/ethernet/marvell/prestera/
H A Dprestera_pci.c100 u32 wr_idx; member
178 #define PRESTERA_EVTQ_WR_IDX_REG(q) PRESTERA_EVTQ_REG_OFFSET(q, wr_idx)
249 u32 wr_idx = prestera_fw_read(fw, PRESTERA_EVTQ_WR_IDX_REG(qid)); in prestera_fw_evtq_avail() local
252 return CIRC_CNT(wr_idx, rd_idx, prestera_fw_evtq_len(fw, qid)); in prestera_fw_evtq_avail()
549 u32 wr_idx = fw->ldr_wr_idx; in prestera_ldr_wait_buf() local
553 CIRC_SPACE(wr_idx, rd_idx, buf_len) >= len, in prestera_ldr_wait_buf()
/linux/drivers/net/wwan/t7xx/
H A Dt7xx_hif_dpmaif.c43 unsigned int wr_idx, enum dpmaif_rdwr rd_wr) in t7xx_ring_buf_rd_wr_count() argument
48 pkt_cnt = wr_idx - rd_idx; in t7xx_ring_buf_rd_wr_count()
50 pkt_cnt = rd_idx - wr_idx - 1; in t7xx_ring_buf_rd_wr_count()
H A Dt7xx_hif_dpmaif.h200 unsigned int wr_idx, enum dpmaif_rdwr);
H A Dt7xx_dpmaif.c1189 unsigned int wr_idx, rd_idx; in t7xx_dpmaif_hw_stop_all_rxq() local
1204 wr_idx = ioread32(hw_info->pcie_base + DPMAIF_AO_DL_PIT_WR_IDX); in t7xx_dpmaif_hw_stop_all_rxq()
1205 wr_idx &= DPMAIF_DL_RD_WR_IDX_MSK; in t7xx_dpmaif_hw_stop_all_rxq()
1209 if (wr_idx == rd_idx) in t7xx_dpmaif_hw_stop_all_rxq()
/linux/drivers/media/pci/ivtv/
H A Divtv-fileops.c164 u32 wr_idx = (read_enc(itv->pgm_info_offset) - itv->pgm_info_offset - 4) / 24; in ivtv_update_pgm_info() local
168 if (wr_idx >= itv->pgm_info_num) { in ivtv_update_pgm_info()
169 IVTV_DEBUG_WARN("Invalid PGM index %d (>= %d)\n", wr_idx, itv->pgm_info_num); in ivtv_update_pgm_info()
172 cnt = (wr_idx + itv->pgm_info_num - itv->pgm_info_write_idx) % itv->pgm_info_num; in ivtv_update_pgm_info()