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Searched refs:write_ptr (Results 1 – 25 of 58) sorted by relevance

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/linux/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/
H A Dtx.c118 IWL_DEBUG_TX(trans, "Q:%d WR: 0x%x\n", txq_id, txq->write_ptr); in iwl_pcie_txq_inc_wr_ptr()
121 txq->write_ptr | (txq_id << 8)); in iwl_pcie_txq_inc_wr_ptr()
170 tfd = (u8 *)txq->tfds + trans_pcie->txqs.tfd.size * txq->write_ptr; in iwl_pcie_txq_build_tfd()
395 while (txq->write_ptr != txq->read_ptr) { in iwl_pcie_txq_unmap()
412 if (txq->read_ptr == txq->write_ptr && in iwl_pcie_txq_unmap()
561 txq->write_ptr = 0; in iwl_trans_pcie_tx_reset()
682 txq->read_ptr, txq->write_ptr); in iwl_txq_log_scd_error()
695 txq->read_ptr, txq->write_ptr, in iwl_txq_log_scd_error()
710 if (txq->read_ptr == txq->write_ptr) { in iwl_txq_stuck_timer()
899 q->write_ptr in iwl_queue_init()
1064 iwl_txq_used(const struct iwl_txq * q,int i,int read_ptr,int write_ptr) iwl_txq_used() argument
2070 int write_ptr = txq->write_ptr; iwl_txq_gen1_update_byte_cnt_tbl() local
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H A Dtx-gen2.c304 int idx = iwl_txq_get_cmd_index(txq, txq->write_ptr); in iwl_txq_gen2_build_tx_amsdu()
393 int idx = iwl_txq_get_cmd_index(txq, txq->write_ptr); in iwl_txq_gen2_build_tx()
487 int idx = iwl_txq_get_cmd_index(txq, txq->write_ptr); in iwl_txq_gen2_build_tfd()
547 used = (q->write_ptr - q->read_ptr) & in iwl_txq_space()
563 int idx = iwl_txq_get_cmd_index(txq, txq->write_ptr); in iwl_pcie_gen2_update_byte_tbl()
708 IWL_DEBUG_TX(trans, "Q:%d WR: 0x%x\n", txq->id, txq->write_ptr); in iwl_txq_inc_wr_ptr()
714 iwl_write32(trans, HBUS_TARG_WRPTR, txq->write_ptr | (txq->id << 16)); in iwl_txq_inc_wr_ptr()
760 idx = iwl_txq_get_cmd_index(txq, txq->write_ptr); in iwl_txq_gen2_tx()
797 if (txq->read_ptr == txq->write_ptr && txq->wd_timeout) in iwl_txq_gen2_tx()
801 txq->write_ptr in iwl_txq_gen2_tx()
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H A Dtrans.c2534 wr_ptr = READ_ONCE(txq->write_ptr); in iwl_trans_pcie_wait_txq_empty()
2536 while ((txq->read_ptr != READ_ONCE(txq->write_ptr) || in iwl_trans_pcie_wait_txq_empty()
2540 u8 write_ptr = READ_ONCE(txq->write_ptr); in iwl_trans_pcie_wait_txq_empty() local
2547 if (WARN_ONCE(wr_ptr != write_ptr && !overflow_tx, in iwl_trans_pcie_wait_txq_empty()
2549 wr_ptr, write_ptr)) in iwl_trans_pcie_wait_txq_empty()
2551 wr_ptr = write_ptr; in iwl_trans_pcie_wait_txq_empty()
2561 if (txq->read_ptr != txq->write_ptr) { in iwl_trans_pcie_wait_txq_empty()
2769 txq->read_ptr, txq->write_ptr, in iwl_dbgfs_tx_queue_seq_show()
3056 u32 write_ptr_addr, wrap_cnt_addr, write_ptr, wrap_cn in iwl_dbgfs_monitor_data_read() local
3370 u32 base, base_high, write_ptr, write_ptr_val, wrap_cnt; iwl_trans_pcie_dump_pointers() local
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/linux/drivers/gpu/drm/xe/
H A Dxe_eu_stall.c344 * @write_ptr: Write pointer with an additional overflow bit
352 static u32 buf_data_size(size_t buf_size, u32 read_ptr, u32 write_ptr) in buf_data_size() argument
356 if (read_ptr == write_ptr) in buf_data_size()
360 write_offset = write_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
394 write_ptr = REG_FIELD_GET(XEHPC_EUSTALL_REPORT_WRITE_PTR_MASK, write_ptr_reg); in eu_stall_data_buf_poll()
395 write_ptr <<= 6; in eu_stall_data_buf_poll()
396 write_ptr &= ((buf_size << 1) - 1); in eu_stall_data_buf_poll()
398 total_data += buf_data_size(buf_size, read_ptr, write_ptr); in eu_stall_data_buf_poll()
404 xecore_buf->write = write_ptr; in eu_stall_data_buf_poll()
433 u32 read_ptr_reg, read_ptr, write_ptr; xe_eu_stall_data_buf_read() local
636 u32 write_ptr_reg, write_ptr, read_ptr_reg, reg_value; xe_eu_stall_stream_enable() local
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H A Dxe_trace.h432 u32 read_ptr, u32 write_ptr,
435 read_ptr, write_ptr,
441 __field(u32, write_ptr)
449 __entry->write_ptr = write_ptr;
456 __entry->read_ptr, __entry->write_ptr,
/linux/sound/soc/intel/avs/
H A Dapl.c87 if (layout.read_ptr > layout.write_ptr) { 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()
95 writel(layout.write_ptr, addr); in avs_apl_log_buffer_status()
113 if (layout->read_ptr != layout->write_ptr) in avs_apl_wait_log_entry()
168 if (layout.read_ptr > layout.write_ptr) { in avs_apl_coredump()
174 count = layout.write_ptr - layout.read_ptr; in avs_apl_coredump()
179 writel(layout.write_ptr, addr); in avs_apl_coredump()
/linux/sound/soc/sof/
H A Dipc4-mtrace.c180 u32 log_buffer_offset, log_buffer_size, read_ptr, write_ptr; in sof_ipc4_mtrace_dfs_read() local
213 write_ptr = core_data->dsp_write_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()
241 avail - write_ptr); in sof_ipc4_mtrace_dfs_read()
243 if (write_ptr) in sof_ipc4_mtrace_dfs_read()
245 (u8 *)(log_buffer) + avail - write_ptr, in sof_ipc4_mtrace_dfs_read()
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/linux/drivers/net/wireless/intel/iwlwifi/cfg/
H A Ddr.c43 .write_ptr = {
56 .write_ptr = {
70 .write_ptr = {
H A Dsc.c48 .write_ptr = {
61 .write_ptr = {
75 .write_ptr = {
H A Dbz.c45 .write_ptr = {
58 .write_ptr = {
72 .write_ptr = {
H A D22000.c45 .write_ptr = {
56 .write_ptr = {
H A D9000.c49 .write_ptr = {
59 .write_ptr = {
H A Dax210.c40 .write_ptr = {
53 .write_ptr = {
/linux/drivers/net/ethernet/sfc/
H A Def100_tx.c112 unsigned int write_ptr; in ef100_notify_tx_desc() local
120 write_ptr = tx_queue->write_count & tx_queue->ptr_mask; in ef100_notify_tx_desc()
122 EFX_POPULATE_DWORD_1(reg, ERF_GZ_TX_RING_PIDX, write_ptr); in ef100_notify_tx_desc()
264 unsigned int write_ptr; in ef100_tx_make_descriptors() local
278 write_ptr = new_write_count & tx_queue->ptr_mask; in ef100_tx_make_descriptors()
279 txd = ef100_tx_desc(tx_queue, write_ptr); in ef100_tx_make_descriptors()
295 write_ptr = new_write_count & tx_queue->ptr_mask; in ef100_tx_make_descriptors()
296 buffer = &tx_queue->buffer[write_ptr]; in ef100_tx_make_descriptors()
297 txd = ef100_tx_desc(tx_queue, write_ptr); in ef100_tx_make_descriptors()
/linux/drivers/media/platform/qcom/iris/
H A Diris_hfi_queue.c18 u32 *write_ptr; in iris_hfi_queue_write() local
30 write_ptr = (u32 *)((u8 *)qinfo->kernel_vaddr + write_idx); in iris_hfi_queue_write()
32 if (write_ptr < (u32 *)qinfo->kernel_vaddr || in iris_hfi_queue_write()
33 write_ptr > (u32 *)(qinfo->kernel_vaddr + in iris_hfi_queue_write()
38 memcpy(write_ptr, packet, packet_size); in iris_hfi_queue_write()
41 memcpy(write_ptr, packet, (packet_size - residue)); in iris_hfi_queue_write()
/linux/drivers/hid/intel-thc-hid/intel-thc/
H A Dintel-thc-dma.c599 u8 write_ptr = dma_get_write_pointer(dev, read_config); in update_write_pointer() local
601 if (write_ptr + 1 == THC_WRAPAROUND_VALUE_ODD) in update_write_pointer()
603 else if (write_ptr + 1 == THC_WRAPAROUND_VALUE_EVEN) in update_write_pointer()
606 dma_set_write_pointer(dev, write_ptr + 1, read_config); in update_write_pointer()
611 u8 *read_ptr, u8 *write_ptr) in is_dma_buf_empty() argument
614 *write_ptr = dma_get_write_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()
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/linux/arch/powerpc/platforms/pseries/
H A Ddtl.c52 struct dtl_entry *write_ptr; member
68 struct dtl_entry *wp = dtlr->write_ptr; in consume_dtle()
84 dtlr->write_ptr = wp; in consume_dtle()
99 /* setting write_ptr enables logging into our buffer */ in dtl_start()
101 dtlr->write_ptr = dtl->buf; in dtl_start()
115 dtlr->write_ptr = NULL; in dtl_stop()
/linux/drivers/comedi/
H A Dcomedi_buf.c513 unsigned int write_ptr = async->buf_write_ptr; in comedi_buf_memcpy_to() local
520 unsigned int page = write_ptr >> PAGE_SHIFT; in comedi_buf_memcpy_to()
521 unsigned int offset = offset_in_page(write_ptr); in comedi_buf_memcpy_to()
529 write_ptr += block_size; in comedi_buf_memcpy_to()
530 if (write_ptr == async->prealloc_bufsz) in comedi_buf_memcpy_to()
531 write_ptr = 0; in comedi_buf_memcpy_to()
/linux/drivers/gpu/drm/amd/amdkfd/
H A Dkfd_mqd_manager_v12.c176 (uint32_t __user *)p->write_ptr, in load_mqd()
199 m->cp_hqd_pq_wptr_poll_addr_lo = lower_32_bits((uint64_t)q->write_ptr); in update_mqd()
200 m->cp_hqd_pq_wptr_poll_addr_hi = upper_32_bits((uint64_t)q->write_ptr); in update_mqd()
340 m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits((uint64_t)q->write_ptr); in update_mqd_sdma()
341 m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits((uint64_t)q->write_ptr); in update_mqd_sdma()
H A Dkfd_mqd_manager_v11.c213 (uint32_t __user *)p->write_ptr, in load_mqd()
236 m->cp_hqd_pq_wptr_poll_addr_lo = lower_32_bits((uint64_t)q->write_ptr); in update_mqd()
237 m->cp_hqd_pq_wptr_poll_addr_hi = upper_32_bits((uint64_t)q->write_ptr); in update_mqd()
439 m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits((uint64_t)q->write_ptr); in update_mqd_sdma()
440 m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits((uint64_t)q->write_ptr); in update_mqd_sdma()
H A Dkfd_queue.c43 pr_debug("Queue Write Pointer: 0x%px\n", q->write_ptr); in print_queue_properties()
60 pr_debug("Queue Write Pointer: 0x%px\n", q->properties.write_ptr); in print_queue()
259 err = kfd_queue_buffer_get(vm, properties->write_ptr, &properties->wptr_bo, PAGE_SIZE); in kfd_queue_acquire_buffers()
/linux/drivers/hwtracing/coresight/
H A Dultrasoc-smb.c70 u32 write_ptr; in smb_reset_buffer() local
82 write_ptr = readl(drvdata->base + SMB_LB_WR_ADDR_REG); in smb_reset_buffer()
85 if (!write_ptr || write_ptr == sdb->buf_rdptr + sdb->buf_hw_base) in smb_reset_buffer()
92 writel(write_ptr, drvdata->base + SMB_LB_RD_ADDR_REG); in smb_reset_buffer()
93 sdb->buf_rdptr = write_ptr - sdb->buf_hw_base; in smb_reset_buffer()
/linux/drivers/gpu/drm/xe/abi/
H A Dguc_log_abi.h26 * is read only for GuC firmware. write_ptr is incremented by GuC with number
34 * to the value of write_ptr and raise the interrupt.
47 * @write_ptr: the next byte offset location that will be written by
50 u32 write_ptr; member
/linux/drivers/net/ethernet/sfc/siena/
H A Dfarch.c285 unsigned write_ptr; in efx_farch_notify_tx_desc() local
288 write_ptr = tx_queue->write_count & tx_queue->ptr_mask; in efx_farch_notify_tx_desc()
289 EFX_POPULATE_DWORD_1(reg, FRF_AZ_TX_DESC_WPTR_DWORD, write_ptr); in efx_farch_notify_tx_desc()
298 unsigned write_ptr; in efx_farch_push_tx_desc() local
304 write_ptr = tx_queue->write_count & tx_queue->ptr_mask; in efx_farch_push_tx_desc()
306 FRF_AZ_TX_DESC_WPTR, write_ptr); in efx_farch_push_tx_desc()
321 unsigned write_ptr; in efx_farch_tx_write() local
329 write_ptr = tx_queue->write_count & tx_queue->ptr_mask; in efx_farch_tx_write()
330 buffer = &tx_queue->buffer[write_ptr]; in efx_farch_tx_write()
331 txd = efx_tx_desc(tx_queue, write_ptr); in efx_farch_tx_write()
487 unsigned write_ptr; efx_farch_rx_write() local
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/linux/drivers/net/ethernet/sfc/falcon/
H A Dfarch.c274 unsigned write_ptr; in ef4_farch_notify_tx_desc() local
277 write_ptr = tx_queue->write_count & tx_queue->ptr_mask; in ef4_farch_notify_tx_desc()
278 EF4_POPULATE_DWORD_1(reg, FRF_AZ_TX_DESC_WPTR_DWORD, write_ptr); in ef4_farch_notify_tx_desc()
287 unsigned write_ptr; in ef4_farch_push_tx_desc() local
293 write_ptr = tx_queue->write_count & tx_queue->ptr_mask; in ef4_farch_push_tx_desc()
295 FRF_AZ_TX_DESC_WPTR, write_ptr); in ef4_farch_push_tx_desc()
310 unsigned write_ptr; in ef4_farch_tx_write() local
318 write_ptr = tx_queue->write_count & tx_queue->ptr_mask; in ef4_farch_tx_write()
319 buffer = &tx_queue->buffer[write_ptr]; in ef4_farch_tx_write()
320 txd = ef4_tx_desc(tx_queue, write_ptr); in ef4_farch_tx_write()
493 unsigned write_ptr; ef4_farch_rx_write() local
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