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Searched refs:read_ptr (Results 1 – 25 of 63) sorted by relevance

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/linux-6.15/sound/soc/intel/avs/
H A Dapl.c87 if (layout.read_ptr > layout.write_ptr) { in avs_apl_log_buffer_status()
88 avs_dump_fw_log(adev, buf + layout.read_ptr, in avs_apl_log_buffer_status()
89 avs_apl_log_payload_size(adev) - layout.read_ptr); in avs_apl_log_buffer_status()
90 layout.read_ptr = 0; in avs_apl_log_buffer_status()
92 avs_dump_fw_log_wakeup(adev, buf + layout.read_ptr, layout.write_ptr - layout.read_ptr); in avs_apl_log_buffer_status()
113 if (layout->read_ptr != layout->write_ptr) in avs_apl_wait_log_entry()
149 if (!avs_apl_is_entry_stackdump(buf + layout.read_ptr)) { in avs_apl_coredump()
168 if (layout.read_ptr > layout.write_ptr) { in avs_apl_coredump()
169 count = avs_apl_log_payload_size(adev) - layout.read_ptr; in avs_apl_coredump()
171 layout.read_ptr = 0; in avs_apl_coredump()
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/linux-6.15/sound/soc/sof/
H A Dipc4-mtrace.c212 read_ptr = core_data->host_read_ptr; in sof_ipc4_mtrace_dfs_read()
215 if (read_ptr < write_ptr) in sof_ipc4_mtrace_dfs_read()
216 avail = write_ptr - read_ptr; in sof_ipc4_mtrace_dfs_read()
218 avail = log_buffer_size - read_ptr + write_ptr; in sof_ipc4_mtrace_dfs_read()
233 core_data->id, read_ptr, write_ptr, avail); in sof_ipc4_mtrace_dfs_read()
235 if (read_ptr < write_ptr) { in sof_ipc4_mtrace_dfs_read()
260 read_ptr += avail; in sof_ipc4_mtrace_dfs_read()
261 if (read_ptr >= log_buffer_size) in sof_ipc4_mtrace_dfs_read()
262 read_ptr -= log_buffer_size; in sof_ipc4_mtrace_dfs_read()
263 sof_mailbox_write(sdev, core_data->slot_offset, &read_ptr, sizeof(read_ptr)); in sof_ipc4_mtrace_dfs_read()
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/linux-6.15/drivers/net/wireless/intel/iwlwifi/pcie/
H A Dtx.c342 int read_ptr) in iwl_txq_free_tfd() argument
363 txq, read_ptr); in iwl_txq_free_tfd()
395 txq_id, txq->read_ptr); in iwl_pcie_txq_unmap()
408 txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr); in iwl_pcie_txq_unmap()
561 txq->read_ptr = 0; in iwl_trans_pcie_tx_reset()
899 q->read_ptr = 0; in iwl_queue_init()
1105 txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr); in iwl_pcie_cmdq_reclaim()
1195 ssn = txq->read_ptr; in iwl_trans_pcie_txq_enable()
2312 int read_ptr) in iwl_txq_gen1_inval_byte_cnt_tbl() argument
2373 if (read_ptr == tfd_num) in iwl_pcie_reclaim()
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H A Dtx-gen2.c548 used = (q->write_ptr - q->read_ptr) & in iwl_txq_space()
687 int idx = iwl_txq_get_cmd_index(txq, txq->read_ptr); in iwl_txq_gen2_free_tfd()
805 if (txq->read_ptr == txq->write_ptr && txq->wd_timeout) in iwl_txq_gen2_tx()
831 while (txq->write_ptr != txq->read_ptr) { in iwl_txq_gen2_unmap()
833 txq_id, txq->read_ptr); in iwl_txq_gen2_unmap()
836 int idx = iwl_txq_get_cmd_index(txq, txq->read_ptr); in iwl_txq_gen2_unmap()
844 txq->read_ptr = iwl_txq_inc_wrap(trans, txq->read_ptr); in iwl_txq_gen2_unmap()
1013 txq->read_ptr = wr_ptr; in iwl_pcie_txq_alloc_response()
1427 if (txq->read_ptr == txq->write_ptr && txq->wd_timeout) in iwl_pcie_gen2_enqueue_hcmd()
/linux-6.15/drivers/media/platform/qcom/iris/
H 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()
/linux-6.15/drivers/gpu/drm/xe/
H A Dxe_eu_stall.c354 if (read_ptr == write_ptr) in buf_data_size()
357 read_offset = read_ptr & (buf_size - 1); in buf_data_size()
378 u32 read_ptr, write_ptr_reg, write_ptr, total_data = 0; in eu_stall_data_buf_poll() local
389 read_ptr = xecore_buf->read; in eu_stall_data_buf_poll()
396 total_data += buf_data_size(buf_size, read_ptr, write_ptr); in eu_stall_data_buf_poll()
431 u32 read_ptr_reg, read_ptr, write_ptr; in xe_eu_stall_data_buf_read() local
445 read_ptr = xecore_buf->read; in xe_eu_stall_data_buf_read()
455 read_offset = read_ptr & (buf_size - 1); in xe_eu_stall_data_buf_read()
475 read_ptr += read_data_size; in xe_eu_stall_data_buf_read()
478 read_ptr &= (buf_size << 1) - 1; in xe_eu_stall_data_buf_read()
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H 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,
/linux-6.15/drivers/hwtracing/coresight/
H 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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H A Dcoresight-tmc-etf.c480 u64 read_ptr, write_ptr; in tmc_update_etf_buffer() local
503 read_ptr = tmc_read_rrp(drvdata); in tmc_update_etf_buffer()
515 to_read = CIRC_CNT(write_ptr, read_ptr, drvdata->size); in tmc_update_etf_buffer()
534 read_ptr = (write_ptr + drvdata->size) - to_read; in tmc_update_etf_buffer()
536 if (read_ptr > (drvdata->size - 1)) in tmc_update_etf_buffer()
537 read_ptr -= drvdata->size; in tmc_update_etf_buffer()
539 tmc_write_rrp(drvdata, read_ptr); in tmc_update_etf_buffer()
/linux-6.15/drivers/net/ethernet/sfc/siena/
H 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()
/linux-6.15/drivers/net/ethernet/sfc/
H 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()
H 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()
/linux-6.15/drivers/gpu/drm/amd/amdkfd/
H 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()
H 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()
H 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()
H 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()
H 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()
H 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()
/linux-6.15/drivers/w1/masters/
H 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()
/linux-6.15/drivers/net/ethernet/sfc/falcon/
H 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()
/linux-6.15/drivers/comedi/
H A Dcomedi_buf.c585 unsigned int read_ptr = async->buf_read_ptr; in comedi_buf_memcpy_from() local
590 src = async->prealloc_buf + read_ptr; in comedi_buf_memcpy_from()
592 if (nbytes >= async->prealloc_bufsz - read_ptr) in comedi_buf_memcpy_from()
593 block_size = async->prealloc_bufsz - read_ptr; in comedi_buf_memcpy_from()
600 read_ptr = 0; in comedi_buf_memcpy_from()
/linux-6.15/drivers/hid/intel-thc-hid/intel-thc/
H 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()
/linux-6.15/tools/testing/selftests/mm/
H A Dprotection_keys.c57 noinline int read_ptr(int *ptr) in read_ptr() function
952 ptr_contents = read_ptr(ptr); in test_read_of_write_disabled_region()
963 ptr_contents = read_ptr(ptr); in test_read_of_access_disabled_region()
975 ptr_contents = read_ptr(ptr); in test_read_of_access_disabled_region_with_page_already_mapped()
980 ptr_contents = read_ptr(ptr); in test_read_of_access_disabled_region_with_page_already_mapped()
1357 peek_result = read_ptr(ptr); in test_ptrace_of_child()
1367 peek_result = read_ptr(plain_ptr); in test_ptrace_of_child()
1411 ptr_contents = read_ptr(p1); in test_executing_on_unreadable_memory()
1445 ptr_contents = read_ptr(p1); in test_implicit_mprotect_exec_only_memory()
1478 ptr_contents = read_ptr(p1); in test_implicit_mprotect_exec_only_memory()
/linux-6.15/drivers/gpu/drm/xe/abi/
H A Dguc_log_abi.h45 u32 read_ptr; member
/linux-6.15/drivers/net/wireless/intel/iwlegacy/
H 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()

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