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Searched refs:head_idx (Results 1 – 19 of 19) sorted by relevance

/linux-6.15/drivers/net/ethernet/amd/pds_core/
H A Dadminq.c94 if (q->tail_idx == q->head_idx) in pdsc_process_adminq()
173 if (q->head_idx >= avail) in __pdsc_adminq_post()
174 avail += q->num_descs - q->head_idx - 1; in __pdsc_adminq_post()
176 avail -= q->head_idx + 1; in __pdsc_adminq_post()
200 index = q->head_idx; in __pdsc_adminq_post()
207 q->head_idx, q->tail_idx); in __pdsc_adminq_post()
212 q->head_idx = (q->head_idx + 1) & (q->num_descs - 1); in __pdsc_adminq_post()
215 q->hw_type, q->dbval | q->head_idx); in __pdsc_adminq_post()
H A Ddebugfs.c135 debugfs_create_u16("head", 0400, q_dentry, &q->head_idx); in pdsc_debugfs_add_qcq()
H A Dcore.h52 u16 head_idx; member
H A Dcore.c214 qcq->q.head_idx = 0; in pdsc_qcq_alloc()
/linux-6.15/drivers/net/ethernet/pensando/ionic/
H A Dionic_txrx.c51 if (q->tail_idx == q->head_idx) { in ionic_txq_poke_doorbell()
62 q->dbval | q->head_idx); in ionic_txq_poke_doorbell()
78 if (q->tail_idx == q->head_idx) in ionic_rxq_poke_doorbell()
87 q->dbval | q->head_idx); in ionic_rxq_poke_doorbell()
313 desc = &q->txq[q->head_idx]; in ionic_xdp_post_frame()
444 txq->dbval | txq->head_idx); in ionic_xdp_xmit()
734 if (q->tail_idx == q->head_idx) in __ionic_rx_service()
811 desc = &q->rxq[q->head_idx]; in ionic_rx_fill()
878 q->dbval | q->head_idx); in ionic_rx_fill()
896 q->head_idx = 0; in ionic_rx_empty()
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H A Dionic_dev.h233 u16 head_idx; member
316 if (q->head_idx >= avail) in ionic_q_space_avail()
317 avail += q->num_descs - q->head_idx - 1; in ionic_q_space_avail()
319 avail -= q->head_idx + 1; in ionic_q_space_avail()
H A Dionic_main.c207 while (q->tail_idx != q->head_idx) { in ionic_adminq_flush()
317 if (q->tail_idx == q->head_idx) in ionic_adminq_service()
348 if (q->tail_idx == q->head_idx) { in ionic_adminq_poke_doorbell()
359 q->dbval | q->head_idx); in ionic_adminq_poke_doorbell()
394 desc_info = &q->admin_info[q->head_idx]; in ionic_adminq_post()
397 desc = &q->adminq[q->head_idx]; in ionic_adminq_post()
H A Dionic_dev.c802 q->head_idx = 0; in ionic_q_init()
815 q->head_idx = (q->head_idx + 1) & (q->num_descs - 1); in ionic_q_post()
819 q->head_idx, ring_doorbell); in ionic_q_post()
823 q->dbval | q->head_idx); in ionic_q_post()
835 head = q->head_idx; in ionic_q_is_posted()
H A Dionic_debugfs.c89 seq_printf(seq, "%d\n", q->head_idx); in q_head_show()
H A Dionic_lif.c820 qcq->q.head_idx = 0; in ionic_qcq_sanitize()
/linux-6.15/drivers/net/ethernet/qlogic/qed/
H A Dqed_ooo.c70 if (p_history->head_idx == p_history->num_of_cqes) in qed_ooo_save_history_entry()
71 p_history->head_idx = 0; in qed_ooo_save_history_entry()
72 p_history->p_cqes[p_history->head_idx] = *p_cqe; in qed_ooo_save_history_entry()
73 p_history->head_idx++; in qed_ooo_save_history_entry()
242 p_hwfn->p_ooo_info->ooo_history.head_idx = 0; in qed_ooo_setup()
H A Dqed_ooo.h42 u32 head_idx; member
/linux-6.15/drivers/net/wireless/realtek/rtw89/
H A Dsar.c434 u8 head_idx; in rtw89_tas_window_update() local
445 head_idx = (tas->txpwr_tail_idx - window_size + 1 + RTW89_TAS_TXPWR_WINDOW) % in rtw89_tas_window_update()
448 j = (head_idx + i) % RTW89_TAS_TXPWR_WINDOW; in rtw89_tas_window_update()
454 tas->txpwr_head_idx = head_idx; in rtw89_tas_window_update()
/linux-6.15/drivers/net/ethernet/intel/i40e/
H A Di40e_xsk.c634 u32 head_idx = i40e_get_head(tx_ring); in i40e_clean_xdp_tx_irq() local
638 if (head_idx < tx_ring->next_to_clean) in i40e_clean_xdp_tx_irq()
639 head_idx += tx_ring->count; in i40e_clean_xdp_tx_irq()
640 completed_frames = head_idx - tx_ring->next_to_clean; in i40e_clean_xdp_tx_irq()
/linux-6.15/drivers/crypto/ccp/
H A Dccp-dev-v5.c209 unsigned int head_idx, n; in ccp5_get_free_slots() local
214 head_idx = (head_lo - queue_start) / sizeof(struct ccp5_desc); in ccp5_get_free_slots()
216 n = head_idx + COMMANDS_PER_QUEUE - cmd_q->qidx - 1; in ccp5_get_free_slots()
/linux-6.15/drivers/gpu/drm/nouveau/dispnv50/
H A Ddisp.c2692 int head_idx; in nv50_display_read_hw_or_state() local
2718 head_idx = ret; in nv50_display_read_hw_or_state()
2721 if (crtc->index != head_idx) in nv50_display_read_hw_or_state()
/linux-6.15/drivers/scsi/lpfc/
H A Dlpfc_sli.c8044 rx_monitor->head_idx = 0; in lpfc_rx_monitor_create_ring()
8063 rx_monitor->head_idx = 0; in lpfc_rx_monitor_destroy_ring()
8083 u32 *head_idx = &rx_monitor->head_idx; in lpfc_rx_monitor_record() local
8093 if (*tail_idx == *head_idx) in lpfc_rx_monitor_record()
8094 *head_idx = (*head_idx + 1) % ring_size; in lpfc_rx_monitor_record()
8121 u32 *head_idx = &rx_monitor->head_idx; in lpfc_rx_monitor_report() local
8145 while (*head_idx != *tail_idx) { in lpfc_rx_monitor_report()
8146 entry = &ring[*head_idx]; in lpfc_rx_monitor_report()
8154 *head_idx, entry->max_bytes_per_interval, in lpfc_rx_monitor_report()
8178 entry->timer_interval, *head_idx); in lpfc_rx_monitor_report()
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H A Dlpfc.h1617 u32 head_idx, tail_idx; /* index to head/tail of ring */ member
/linux-6.15/drivers/net/ethernet/cadence/
H A Dmacb_main.c1709 unsigned int head_idx, tbqp; in macb_tx_restart() local
1718 head_idx = macb_adj_dma_desc_idx(bp, macb_tx_ring_wrap(bp, queue->tx_head)); in macb_tx_restart()
1720 if (tbqp == head_idx) in macb_tx_restart()