Home
last modified time | relevance | path

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

123

/openbmc/qemu/hw/char/
H A Dbcm2835_aux.c57 if ((s->ier & RX_INT) && s->read_count != 0) { in bcm2835_aux_update()
81 if (s->read_count > 0) { in bcm2835_aux_read()
82 s->read_count--; in bcm2835_aux_read()
101 if (s->read_count != 0) { in bcm2835_aux_read()
121 if (s->read_count != 0) { in bcm2835_aux_read()
139 if (s->read_count > 0) { in bcm2835_aux_read()
141 assert(s->read_count <= BCM2835_AUX_RX_FIFO_LEN); in bcm2835_aux_read()
142 res |= ((uint32_t)s->read_count) << 16; /* rx fifo fill level */ in bcm2835_aux_read()
188 s->read_count = 0; in bcm2835_aux_write()
224 return s->read_count < BCM2835_AUX_RX_FIFO_LEN; in bcm2835_aux_can_receive()
[all …]
H A Dpl011.c161 s->read_count = 0; in pl011_reset_rx_fifo()
183 slot = (s->read_pos + s->read_count) & (pipe_depth - 1); in pl011_fifo_rx_put()
185 s->read_count++; in pl011_fifo_rx_put()
187 trace_pl011_fifo_rx_put(value, s->read_count); in pl011_fifo_rx_put()
188 if (s->read_count == pipe_depth) { in pl011_fifo_rx_put()
192 if (s->read_count == s->read_trigger) { in pl011_fifo_rx_put()
253 if (s->read_count > 0) { in pl011_read_rxdata()
254 s->read_count--; in pl011_read_rxdata()
257 if (s->read_count == 0) { in pl011_read_rxdata()
260 if (s->read_count == s->read_trigger - 1) { in pl011_read_rxdata()
[all …]
H A Dtrace-events58 pl011_read_fifo(int read_count) "FIFO read, read_count now %d"
60 pl011_can_receive(uint32_t lcr, int read_count, int r) "LCR 0x%08x read_count %d returning %d"
61 pl011_fifo_rx_put(uint32_t c, int read_count) "new char 0x%02x read_count now %d"
/openbmc/linux/kernel/locking/
H A Dpercpu-rwsem.c17 sem->read_count = alloc_percpu(int); in __percpu_init_rwsem()
18 if (unlikely(!sem->read_count)) in __percpu_init_rwsem()
39 if (!sem->read_count) in percpu_free_rwsem()
43 free_percpu(sem->read_count); in percpu_free_rwsem()
44 sem->read_count = NULL; /* catch use after free bugs */ in percpu_free_rwsem()
50 this_cpu_inc(*sem->read_count); in __percpu_down_read_trylock()
76 this_cpu_dec(*sem->read_count); in __percpu_down_read_trylock()
197 return per_cpu_sum(*sem->read_count) != 0 && !atomic_read(&sem->block); in percpu_is_read_locked()
211 if (per_cpu_sum(*sem->read_count) != 0) in readers_active_check()
/openbmc/linux/samples/bpf/
H A Dibumad_kern.c24 } read_count SEC(".maps");
85 val = bpf_map_lookup_elem(&read_count, &class); in on_ib_umad_read_recv()
87 bpf_map_update_elem(&read_count, &class, &zero, BPF_NOEXIST); in on_ib_umad_read_recv()
88 val = bpf_map_lookup_elem(&read_count, &class); in on_ib_umad_read_recv()
105 val = bpf_map_lookup_elem(&read_count, &class); in on_ib_umad_read_send()
107 bpf_map_update_elem(&read_count, &class, &zero, BPF_NOEXIST); in on_ib_umad_read_send()
108 val = bpf_map_lookup_elem(&read_count, &class); in on_ib_umad_read_send()
/openbmc/linux/include/linux/
H A Dpercpu-rwsem.h14 unsigned int __percpu *read_count; member
33 .read_count = &__percpu_rwsem_rc_##name, \
63 this_cpu_inc(*sem->read_count); in percpu_down_read()
82 this_cpu_inc(*sem->read_count); in percpu_down_read_trylock()
106 this_cpu_dec(*sem->read_count); in percpu_up_read()
118 this_cpu_dec(*sem->read_count); in percpu_up_read()
/openbmc/qemu/hw/i3c/
H A Dcore.c382 uint8_t read_count = 0; in i3c_target_handle_ccc_read() local
388 if (read_count >= num_to_read) { in i3c_target_handle_ccc_read()
391 data[read_count] = (t->pid >> (t->ccc_byte_offset * 8)) & 0xff; in i3c_target_handle_ccc_read()
393 read_count++; in i3c_target_handle_ccc_read()
395 if (read_count < num_to_read) { in i3c_target_handle_ccc_read()
396 data[read_count] = t->bcr; in i3c_target_handle_ccc_read()
398 read_count++; in i3c_target_handle_ccc_read()
400 if (read_count < num_to_read) { in i3c_target_handle_ccc_read()
401 data[read_count] = t->dcr; in i3c_target_handle_ccc_read()
403 read_count++; in i3c_target_handle_ccc_read()
[all …]
/openbmc/linux/drivers/gpu/drm/amd/amdgpu/
H A Damdgpu_vf_error.c71 …if (adev->virt.vf_errors.write_count - adev->virt.vf_errors.read_count > AMDGPU_VF_ERROR_ENTRY_SIZ… in amdgpu_vf_error_trans_all()
72 adev->virt.vf_errors.read_count = adev->virt.vf_errors.write_count - AMDGPU_VF_ERROR_ENTRY_SIZE; in amdgpu_vf_error_trans_all()
75 while (adev->virt.vf_errors.read_count < adev->virt.vf_errors.write_count) { in amdgpu_vf_error_trans_all()
76 index =adev->virt.vf_errors.read_count % AMDGPU_VF_ERROR_ENTRY_SIZE; in amdgpu_vf_error_trans_all()
83 adev->virt.vf_errors.read_count ++; in amdgpu_vf_error_trans_all()
/openbmc/linux/drivers/net/ethernet/sfc/falcon/
H A Dtx.c74 tx_queue->queue, tx_queue->read_count); in ef4_dequeue_buffer()
135 txq1->old_read_count = READ_ONCE(txq1->read_count); in ef4_tx_maybe_stop_queue()
136 txq2->old_read_count = READ_ONCE(txq2->read_count); in ef4_tx_maybe_stop_queue()
364 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in ef4_dequeue_buffers()
380 ++tx_queue->read_count; in ef4_dequeue_buffers()
381 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in ef4_dequeue_buffers()
517 fill_level = max(tx_queue->insert_count - tx_queue->read_count, in ef4_xmit_done()
518 txq2->insert_count - txq2->read_count); in ef4_xmit_done()
524 if ((int)(tx_queue->read_count - tx_queue->old_write_count) >= 0) { in ef4_xmit_done()
526 if (tx_queue->read_count == tx_queue->old_write_count) { in ef4_xmit_done()
[all …]
/openbmc/linux/drivers/net/ethernet/sfc/siena/
H A Dtx_common.c80 tx_queue->read_count = 0; in efx_siena_init_tx_queue()
161 tx_queue->queue, tx_queue->read_count); in efx_dequeue_buffer()
181 while (tx_queue->read_count != tx_queue->write_count) { in efx_siena_fini_tx_queue()
184 buffer = &tx_queue->buffer[tx_queue->read_count & tx_queue->ptr_mask]; in efx_siena_fini_tx_queue()
187 ++tx_queue->read_count; in efx_siena_fini_tx_queue()
207 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_dequeue_buffers()
222 ++tx_queue->read_count; in efx_dequeue_buffers()
223 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_dequeue_buffers()
229 if ((int)(tx_queue->read_count - tx_queue->old_write_count) >= 0) { in efx_siena_xmit_done_check_empty()
231 if (tx_queue->read_count == tx_queue->old_write_count) { in efx_siena_xmit_done_check_empty()
[all …]
/openbmc/linux/drivers/gpu/drm/mediatek/
H A Dmtk_hdmi_ddc.c116 u32 remain_count, ack_count, ack_final, read_count, temp_count; in mtk_hdmi_ddc_read_msg() local
139 read_count = 8; in mtk_hdmi_ddc_read_msg()
143 read_count = remain_count; in mtk_hdmi_ddc_read_msg()
148 DDCM_PGLEN_OFFSET, read_count - 1); in mtk_hdmi_ddc_read_msg()
158 if (((ack_final == 1) && (temp_count != (read_count - 1))) || in mtk_hdmi_ddc_read_msg()
159 ((ack_final == 0) && (temp_count != read_count))) { in mtk_hdmi_ddc_read_msg()
164 for (i = read_count; i >= 1; i--) { in mtk_hdmi_ddc_read_msg()
181 remain_count -= read_count; in mtk_hdmi_ddc_read_msg()
182 index += read_count; in mtk_hdmi_ddc_read_msg()
/openbmc/linux/drivers/net/ethernet/sfc/
H A Dtx_common.c80 tx_queue->read_count = 0; in efx_init_tx_queue()
111 while (tx_queue->read_count != tx_queue->write_count) { in efx_fini_tx_queue()
115 buffer = &tx_queue->buffer[tx_queue->read_count & tx_queue->ptr_mask]; in efx_fini_tx_queue()
119 ++tx_queue->read_count; in efx_fini_tx_queue()
195 tx_queue->queue, tx_queue->read_count); in efx_dequeue_buffer()
219 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_dequeue_buffers()
235 ++tx_queue->read_count; in efx_dequeue_buffers()
236 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_dequeue_buffers()
242 if ((int)(tx_queue->read_count - tx_queue->old_write_count) >= 0) { in efx_xmit_done_check_empty()
244 if (tx_queue->read_count == tx_queue->old_write_count) { in efx_xmit_done_check_empty()
[all …]
H A Dtx.c88 txq2->old_read_count = READ_ONCE(txq2->read_count); in efx_tx_maybe_stop_queue()
465 tx_queue->read_count - tx_queue->insert_count; in efx_xdp_tx_buffers()
561 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_xmit_done_single()
582 ++tx_queue->read_count; in efx_xmit_done_single()
583 read_ptr = tx_queue->read_count & tx_queue->ptr_mask; in efx_xmit_done_single()
/openbmc/qemu/rust/hw/char/pl011/src/
H A Ddevice.rs81 pub read_count: usize, field
195 if self.read_count > 0 { in read()
196 self.read_count -= 1; in read()
199 if self.read_count == 0 { in read()
202 if self.read_count + 1 == self.read_trigger { in read()
443 self.read_count = 0; in reset_fifo()
452 self.read_count < self.fifo_depth() in can_receive()
484 let slot = (self.read_pos + self.read_count) & (depth - 1); in put_fifo()
486 self.read_count += 1; in put_fifo()
488 if self.read_count == depth { in put_fifo()
[all …]
/openbmc/linux/drivers/char/ipmi/
H A Dipmi_bt_sm.c83 int read_count; member
197 bt->read_count = 5; in force_result()
253 msg_len = bt->read_count - 2; /* account for length & seq */ in bt_get_result()
342 bt->read_count = bt->read_data[0]; in read_all_bytes()
344 if (bt->read_count < 4 || bt->read_count >= IPMI_MAX_MSG_LENGTH) { in read_all_bytes()
347 "bad raw rsp len=%d\n", bt->read_count); in read_all_bytes()
351 for (i = 1; i <= bt->read_count; i++) in read_all_bytes()
353 bt->read_count++; /* Account internally for length byte */ in read_all_bytes()
356 int max = bt->read_count; in read_all_bytes()
364 pr_cont("%s\n", bt->read_count == max ? "" : " ..."); in read_all_bytes()
[all …]
/openbmc/qemu/tests/tcg/multiarch/system/
H A Dvalidate-memory-counts.py30 read_count = 0
39 read_count = int(line.split(':')[1].strip())
42 return start_address, end_address, read_count, write_count
/openbmc/qemu/tests/unit/
H A Dtest-char.c23 int read_count; member
43 return sizeof(h->read_buf) - h->read_count; in fe_can_read()
52 memcpy(h->read_buf + h->read_count, buf, size); in fe_read()
53 h->read_count += size; in fe_read()
236 g_assert_cmpint(h1.read_count, ==, 0); in char_mux_test()
237 g_assert_cmpint(h2.read_count, ==, 6); in char_mux_test()
239 h2.read_count = 0; in char_mux_test()
264 g_assert_cmpint(h2.read_count, ==, 0); in char_mux_test()
265 g_assert_cmpint(h1.read_count, ==, 6); in char_mux_test()
267 h1.read_count = 0; in char_mux_test()
[all …]
/openbmc/linux/drivers/mfd/
H A Dintel-m10-bmc-pmci.c186 u32 blk_size, offset = 0, val, full_read_count, read_count; in pmci_flash_bulk_read() local
193 read_count = full_read_count; in pmci_flash_bulk_read()
195 read_count++; in pmci_flash_bulk_read()
198 writel(FIELD_PREP(M10BMC_N6000_FLASH_READ_COUNT, read_count) | in pmci_flash_bulk_read()
216 if (full_read_count < read_count) in pmci_flash_bulk_read()
/openbmc/linux/drivers/usb/misc/
H A Dchaoskey.c425 ssize_t read_count = 0; in chaoskey_read() local
475 read_count += this_time; in chaoskey_read()
481 if (read_count) { in chaoskey_read()
482 usb_dbg(dev->interface, "read %zu bytes", read_count); in chaoskey_read()
483 return read_count; in chaoskey_read()
/openbmc/linux/drivers/media/usb/em28xx/
H A Dem28xx-input.c43 unsigned int read_count:7; member
214 poll_result->read_count = (msg[0] & 0x7f); in default_polling_getkey()
257 poll_result->read_count = (msg[0] & 0x7f); in em2874_polling_getkey()
325 if (unlikely(poll_result.read_count != ir->last_readcount)) { in em28xx_ir_handle_key()
327 poll_result.toggle_bit, poll_result.read_count, in em28xx_ir_handle_key()
352 ir->last_readcount = poll_result.read_count; in em28xx_ir_handle_key()
/openbmc/linux/drivers/media/pci/saa7134/
H A Dsaa7134-alsa.c150 if (dev->dmasound.read_count >= dev->dmasound.blksize * (dev->dmasound.blocks-2)) { in saa7134_irq_alsa_done()
152 dev->dmasound.read_count, in saa7134_irq_alsa_done()
165 dev->dmasound.blksize, dev->dmasound.read_count); in saa7134_irq_alsa_done()
169 dev->dmasound.read_count += dev->dmasound.blksize; in saa7134_irq_alsa_done()
173 if (dev->dmasound.read_count >= snd_pcm_lib_period_bytes(dev->dmasound.substream)) { in saa7134_irq_alsa_done()
597 if (dev->dmasound.read_count) { in snd_card_saa7134_capture_pointer()
598 dev->dmasound.read_count -= snd_pcm_lib_period_bytes(substream); in snd_card_saa7134_capture_pointer()
809 dev->dmasound.read_count = 0; in snd_card_saa7134_capture_open()
/openbmc/linux/drivers/clocksource/
H A Dsh_cmt.c86 u32 (*read_count)(void __iomem *base, unsigned long offs); member
187 .read_count = sh_cmt_read16,
197 .read_count = sh_cmt_read32,
208 .read_count = sh_cmt_read32,
219 .read_count = sh_cmt_read32,
230 .read_count = sh_cmt_read32,
281 return ch->cmt->info->read_count(ch->ioctrl, CMCNT); in sh_cmt_read_cmcnt()
305 u32 old_value = ch->cmt->info->read_count(ch->ioctrl, CMCOR); in sh_cmt_write_cmcor()
/openbmc/qemu/include/hw/char/
H A Dbcm2835_aux.h31 uint8_t read_pos, read_count; member
H A Dpl011.h48 int read_count; member
/openbmc/linux/drivers/gpu/drm/amd/display/amdgpu_dm/
H A Damdgpu_dm_services.c48 trace_amdgpu_dc_performance(ctx->perf_trace->read_count, in dm_perf_trace_timestamp()

123