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Searched refs:read_ptr (Results 1 – 25 of 55) sorted by relevance

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/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/
A Dtx.c344 int read_ptr) in iwl_txq_free_tfd() argument
365 txq, read_ptr); in iwl_txq_free_tfd()
397 txq_id, txq->read_ptr); in iwl_pcie_txq_unmap()
410 txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr); in iwl_pcie_txq_unmap()
560 txq->read_ptr = 0; in iwl_trans_pcie_tx_reset()
900 q->read_ptr = 0; in iwl_queue_init()
1106 txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr); in iwl_pcie_cmdq_reclaim()
1196 ssn = txq->read_ptr; in iwl_trans_pcie_txq_enable()
2313 int read_ptr) in iwl_txq_gen1_inval_byte_cnt_tbl() argument
2374 if (read_ptr == tfd_num) in iwl_pcie_reclaim()
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A Dtx-gen2.c547 used = (q->write_ptr - q->read_ptr) & in iwl_txq_space()
678 int idx = iwl_txq_get_cmd_index(txq, txq->read_ptr); in iwl_txq_gen2_free_tfd()
797 if (txq->read_ptr == txq->write_ptr && txq->wd_timeout) in iwl_txq_gen2_tx()
823 while (txq->write_ptr != txq->read_ptr) { in iwl_txq_gen2_unmap()
825 txq_id, txq->read_ptr); in iwl_txq_gen2_unmap()
828 int idx = iwl_txq_get_cmd_index(txq, txq->read_ptr); in iwl_txq_gen2_unmap()
836 txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr); in iwl_txq_gen2_unmap()
1005 txq->read_ptr = wr_ptr; in iwl_pcie_txq_alloc_response()
1419 if (txq->read_ptr == txq->write_ptr && txq->wd_timeout) in iwl_pcie_gen2_enqueue_hcmd()
/drivers/media/platform/qcom/iris/
A Diris_hfi_queue.c64 u32 *read_ptr; in iris_hfi_queue_read() local
77 read_ptr = qinfo->kernel_vaddr + read_idx; in iris_hfi_queue_read()
78 if (read_ptr < (u32 *)qinfo->kernel_vaddr || in iris_hfi_queue_read()
79 read_ptr > (u32 *)(qinfo->kernel_vaddr + in iris_hfi_queue_read()
80 IFACEQ_QUEUE_SIZE - sizeof(*read_ptr))) in iris_hfi_queue_read()
83 packet_size = *read_ptr; in iris_hfi_queue_read()
90 memcpy(packet, read_ptr, packet_size); in iris_hfi_queue_read()
93 memcpy(packet, read_ptr, (packet_size - residue)); in iris_hfi_queue_read()
/drivers/gpu/drm/xe/
A Dxe_eu_stall.c356 if (read_ptr == write_ptr) in buf_data_size()
359 read_offset = read_ptr & (buf_size - 1); in buf_data_size()
380 u32 read_ptr, write_ptr_reg, write_ptr, total_data = 0; in eu_stall_data_buf_poll() local
391 read_ptr = xecore_buf->read; in eu_stall_data_buf_poll()
398 total_data += buf_data_size(buf_size, read_ptr, write_ptr); in eu_stall_data_buf_poll()
433 u32 read_ptr_reg, read_ptr, write_ptr; in xe_eu_stall_data_buf_read() local
447 read_ptr = xecore_buf->read; in xe_eu_stall_data_buf_read()
457 read_offset = read_ptr & (buf_size - 1); in xe_eu_stall_data_buf_read()
477 read_ptr += read_data_size; in xe_eu_stall_data_buf_read()
480 read_ptr &= (buf_size << 1) - 1; in xe_eu_stall_data_buf_read()
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A Dxe_trace.h432 u32 read_ptr, u32 write_ptr,
435 read_ptr, write_ptr,
440 __field(u32, read_ptr)
448 __entry->read_ptr = read_ptr;
456 __entry->read_ptr, __entry->write_ptr,
/drivers/hwtracing/coresight/
A Dcoresight-etb10.c288 u32 read_ptr, write_ptr; in etb_dump_hw() local
294 read_ptr = readl_relaxed(drvdata->base + ETB_RAM_READ_POINTER); in etb_dump_hw()
338 writel_relaxed(read_ptr, drvdata->base + ETB_RAM_READ_POINTER); in etb_dump_hw()
435 u32 read_ptr, write_ptr, capacity; in etb_update_buffer() local
456 read_ptr = readl_relaxed(drvdata->base + ETB_RAM_READ_POINTER); in etb_update_buffer()
483 read_ptr = write_ptr; in etb_update_buffer()
485 to_read = CIRC_CNT(write_ptr, read_ptr, drvdata->buffer_depth); in etb_update_buffer()
508 read_ptr = (write_ptr + drvdata->buffer_depth) - in etb_update_buffer()
511 if (read_ptr > (drvdata->buffer_depth - 1)) in etb_update_buffer()
512 read_ptr -= drvdata->buffer_depth; in etb_update_buffer()
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A Dcoresight-tmc-etf.c480 u64 read_ptr, write_ptr; in tmc_update_etf_buffer() local
504 read_ptr = tmc_read_rrp(drvdata); in tmc_update_etf_buffer()
516 to_read = CIRC_CNT(write_ptr, read_ptr, drvdata->size); in tmc_update_etf_buffer()
535 read_ptr = (write_ptr + drvdata->size) - to_read; in tmc_update_etf_buffer()
537 if (read_ptr > (drvdata->size - 1)) in tmc_update_etf_buffer()
538 read_ptr -= drvdata->size; in tmc_update_etf_buffer()
540 tmc_write_rrp(drvdata, read_ptr); in tmc_update_etf_buffer()
/drivers/net/ethernet/sfc/siena/
A Dtx_common.c204 unsigned int stop_index, read_ptr; in efx_dequeue_buffers() local
207 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_dequeue_buffers()
209 while (read_ptr != stop_index) { in efx_dequeue_buffers()
210 struct efx_tx_buffer *buffer = &tx_queue->buffer[read_ptr]; in efx_dequeue_buffers()
215 tx_queue->queue, read_ptr); in efx_dequeue_buffers()
223 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_dequeue_buffers()
/drivers/net/ethernet/sfc/
A Dtx_common.c231 unsigned int stop_index, read_ptr; in efx_dequeue_buffers() local
234 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_dequeue_buffers()
236 while (read_ptr != stop_index) { in efx_dequeue_buffers()
237 struct efx_tx_buffer *buffer = &tx_queue->buffer[read_ptr]; in efx_dequeue_buffers()
242 tx_queue->queue, read_ptr); in efx_dequeue_buffers()
251 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_dequeue_buffers()
A Dtx.c551 unsigned int read_ptr; in efx_xmit_done_single() local
554 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_xmit_done_single()
557 struct efx_tx_buffer *buffer = &tx_queue->buffer[read_ptr]; in efx_xmit_done_single()
577 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_xmit_done_single()
A Def100_nic.c263 unsigned int read_ptr; in ef100_ev_process() local
276 read_ptr = channel->eventq_read_ptr; in ef100_ev_process()
280 p_event = efx_event(channel, read_ptr); in ef100_ev_process()
316 ++read_ptr; in ef100_ev_process()
317 if ((read_ptr & channel->eventq_mask) == 0) in ef100_ev_process()
321 channel->eventq_read_ptr = read_ptr; in ef100_ev_process()
/drivers/gpu/drm/amd/amdkfd/
A Dkfd_mqd_manager_cik.c194 m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in __update_mqd()
195 m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in __update_mqd()
238 m->sdma_rlc_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
239 m->sdma_rlc_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
354 m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd_hiq()
355 m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd_hiq()
A Dkfd_mqd_manager_v12.c197 m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd()
198 m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd()
338 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
339 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
A Dkfd_mqd_manager_vi.c187 m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in __update_mqd()
188 m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in __update_mqd()
372 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
373 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
A Dkfd_mqd_manager_v10.c181 m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd()
182 m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd()
378 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
379 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
A Dkfd_mqd_manager_v11.c234 m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd()
235 m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd()
437 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
438 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr); in update_mqd_sdma()
A Dkfd_queue.c42 pr_debug("Queue Read Pointer: 0x%px\n", q->read_ptr); in print_queue_properties()
59 pr_debug("Queue Read Pointer: 0x%px\n", q->properties.read_ptr); in print_queue()
263 err = kfd_queue_buffer_get(vm, properties->read_ptr, &properties->rptr_bo, PAGE_SIZE); in kfd_queue_acquire_buffers()
/drivers/comedi/
A Dcomedi_buf.c540 unsigned int read_ptr = async->buf_read_ptr; in comedi_buf_memcpy_from() local
547 unsigned int page = read_ptr >> PAGE_SHIFT; in comedi_buf_memcpy_from()
548 unsigned int offset = offset_in_page(read_ptr); in comedi_buf_memcpy_from()
555 read_ptr += block_size; in comedi_buf_memcpy_from()
556 if (read_ptr == async->prealloc_bufsz) in comedi_buf_memcpy_from()
557 read_ptr = 0; in comedi_buf_memcpy_from()
/drivers/net/ethernet/sfc/falcon/
A Dtx.c353 unsigned int stop_index, read_ptr; in ef4_dequeue_buffers() local
356 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in ef4_dequeue_buffers()
358 while (read_ptr != stop_index) { in ef4_dequeue_buffers()
359 struct ef4_tx_buffer *buffer = &tx_queue->buffer[read_ptr]; in ef4_dequeue_buffers()
365 tx_queue->queue, read_ptr); in ef4_dequeue_buffers()
373 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in ef4_dequeue_buffers()
/drivers/w1/masters/
A Dds2482.c146 static inline int ds2482_select_register(struct ds2482_data *pdev, u8 read_ptr) in ds2482_select_register() argument
148 if (pdev->read_prt != read_ptr) { in ds2482_select_register()
151 read_ptr) < 0) in ds2482_select_register()
154 pdev->read_prt = read_ptr; in ds2482_select_register()
/drivers/hid/intel-thc-hid/intel-thc/
A Dintel-thc-dma.c611 u8 *read_ptr, u8 *write_ptr) in is_dma_buf_empty() argument
613 *read_ptr = dma_get_read_pointer(dev, read_config); in is_dma_buf_empty()
616 if ((*read_ptr & THC_POINTER_MASK) == (*write_ptr & THC_POINTER_MASK)) in is_dma_buf_empty()
617 if (*read_ptr != *write_ptr) in is_dma_buf_empty()
627 u8 read_ptr, write_ptr, prd_table_index; in thc_dma_read() local
630 if (!is_dma_buf_empty(dev, read_config, &read_ptr, &write_ptr)) { in thc_dma_read()
654 *read_finished = is_dma_buf_empty(dev, read_config, &read_ptr, &write_ptr) ? 1 : 0; in thc_dma_read()
/drivers/gpu/drm/xe/abi/
A Dguc_log_abi.h45 u32 read_ptr; member
/drivers/net/wireless/intel/iwlegacy/
A D3945.c280 for (idx = il_queue_inc_wrap(idx, q->n_bd); q->read_ptr != idx; in il3945_tx_queue_reclaim()
281 q->read_ptr = il_queue_inc_wrap(q->read_ptr, q->n_bd)) { in il3945_tx_queue_reclaim()
283 skb = txq->skbs[txq->q.read_ptr]; in il3945_tx_queue_reclaim()
285 txq->skbs[txq->q.read_ptr] = NULL; in il3945_tx_queue_reclaim()
314 txq->q.n_bd, txq->q.write_ptr, txq->q.read_ptr); in il3945_hdl_tx()
332 info = IEEE80211_SKB_CB(txq->skbs[txq->q.read_ptr]); in il3945_hdl_tx()
639 int idx = txq->q.read_ptr; in il3945_hw_txq_free_tfd()
668 struct sk_buff *skb = txq->skbs[txq->q.read_ptr]; in il3945_hw_txq_free_tfd()
673 txq->skbs[txq->q.read_ptr] = NULL; in il3945_hw_txq_free_tfd()
A Dcommon.c2758 while (q->write_ptr != q->read_ptr) { in il_tx_queue_unmap()
2760 q->read_ptr = il_queue_inc_wrap(q->read_ptr, q->n_bd); in il_tx_queue_unmap()
2832 q->read_ptr = il_queue_inc_wrap(q->read_ptr, q->n_bd); in il_cmd_queue_unmap()
2910 int s = q->read_ptr - q->write_ptr; in il_queue_space()
2912 if (q->read_ptr > q->write_ptr) in il_queue_space()
2955 q->write_ptr = q->read_ptr = 0; in il_queue_init()
3258 q->write_ptr, q->read_ptr); in il_hcmd_queue_reclaim()
3263 q->read_ptr = il_queue_inc_wrap(q->read_ptr, q->n_bd)) { in il_hcmd_queue_reclaim()
3267 q->write_ptr, q->read_ptr); in il_hcmd_queue_reclaim()
4746 if (q->read_ptr == q->write_ptr) in il_mac_flush()
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/drivers/misc/mei/
A Dhw-me.c564 char read_ptr, write_ptr; in mei_hbuf_filled_slots() local
568 read_ptr = (char) ((hcsr & H_CBRP) >> 8); in mei_hbuf_filled_slots()
571 return (unsigned char) (write_ptr - read_ptr); in mei_hbuf_filled_slots()
696 char read_ptr, write_ptr; in mei_me_count_full_read_slots() local
701 read_ptr = (char) ((me_csr & ME_CBRP_HRA) >> 8); in mei_me_count_full_read_slots()
703 filled_slots = (unsigned char) (write_ptr - read_ptr); in mei_me_count_full_read_slots()

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