| /linux/drivers/misc/mei/ |
| H A D | interrupt.c | 202 buf_sz = length + cb->buf_idx; in mei_cl_irq_read_msg()
204 if (buf_sz < cb->buf_idx) { in mei_cl_irq_read_msg()
206 length, cb->buf_idx); in mei_cl_irq_read_msg()
213 cb->buf.size, length, cb->buf_idx); in mei_cl_irq_read_msg()
219 mei_dma_ring_read(dev, cb->buf.data + cb->buf_idx, length); in mei_cl_irq_read_msg()
221 mei_read_slots(dev, cb->buf.data + cb->buf_idx, 0); in mei_cl_irq_read_msg()
223 mei_read_slots(dev, cb->buf.data + cb->buf_idx, length); in mei_cl_irq_read_msg()
226 cb->buf_idx += length; in mei_cl_irq_read_msg()
229 cl_dbg(dev, cl, "completed read length = %zu\n", cb->buf_idx); in mei_cl_irq_read_msg()
307 cb->buf_idx = 0; in mei_cl_irq_read()
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| H A D | client.c | 380 cb->buf_idx = 0; in mei_io_cb_init()
1750 is_vtag = (cb->vtag && cb->buf_idx == 0); in mei_msg_hdr_init()
1835 first_chunk = cb->buf_idx == 0; in mei_cl_irq_write()
1847 buf_len = buf->size - cb->buf_idx; in mei_cl_irq_write()
1848 data = buf->data + cb->buf_idx; in mei_cl_irq_write()
1896 mei_dma_ring_write(dev, buf->data + cb->buf_idx, buf_len); in mei_cl_irq_write()
1904 cb->buf_idx += buf_len; in mei_cl_irq_write()
1977 cb->buf_idx = 0; in mei_cl_write()
2048 cb->buf_idx = buf_len; in mei_cl_write()
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| /linux/drivers/iio/chemical/ |
| H A D | mhz19b.c | 54 u8 buf_idx; member
244 memcpy(st->buf + st->buf_idx, data, len); in mhz19b_receive_buf()
245 st->buf_idx += len; in mhz19b_receive_buf()
247 if (st->buf_idx == MHZ19B_CMD_SIZE) { in mhz19b_receive_buf()
248 st->buf_idx = 0; in mhz19b_receive_buf()
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| /linux/drivers/media/pci/pt3/ |
| H A D | pt3_i2c.c | 47 int buf_idx; in cmdbuf_add() local
53 buf_idx = cbuf->num_cmds / 2; in cmdbuf_add()
54 if (buf_idx < ARRAY_SIZE(cbuf->data)) in cmdbuf_add()
55 cbuf->data[buf_idx] = cbuf->tmp; in cmdbuf_add()
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| H A D | pt3_dma.c | 77 idx = adap->buf_idx; in pt3_proc_dma()
86 p = &adap->buffer[adap->buf_idx].data[adap->buf_ofs]; in pt3_proc_dma()
99 adap->buf_idx = idx; in pt3_proc_dma()
123 adap->buf_idx = 0; in pt3_init_dmabuf()
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| H A D | pt3.h | 129 int buf_idx; member
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| /linux/drivers/gpio/ |
| H A D | gpio-sloppy-logic-analyzer.c | 42 u32 buf_idx; member
93 priv->buf_idx = 0; in fops_capture_set()
127 la_buf[priv->buf_idx++] = state; in fops_capture_set()
130 while (priv->buf_idx < priv->blob.size) { in fops_capture_set()
135 la_buf[priv->buf_idx++] = state; in fops_capture_set()
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| /linux/arch/um/drivers/ |
| H A D | virtio_pcidev.c | 105 int buf_idx; in virtio_pcidev_send_cmd() local
127 buf_idx = virtio_pcidev_get_buf(dev, &posted); in virtio_pcidev_send_cmd()
128 buf = &dev->bufs[buf_idx]; in virtio_pcidev_send_cmd()
132 dev->extra_ptrs[buf_idx] = kmemdup(extra, extra_size, in virtio_pcidev_send_cmd()
135 if (!dev->extra_ptrs[buf_idx]) { in virtio_pcidev_send_cmd()
139 extra = dev->extra_ptrs[buf_idx]; in virtio_pcidev_send_cmd()
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| /linux/drivers/hid/intel-ish-hid/ishtp/ |
| H A D | client.c | 632 rb->buf_idx = 0; in ishtp_cl_read_start()
1027 if (rb->buffer.size < ishtp_hdr->length + rb->buf_idx) { in recv_ishtp_cl_msg()
1032 rb->buf_idx); in recv_ishtp_cl_msg()
1039 buffer = rb->buffer.data + rb->buf_idx; in recv_ishtp_cl_msg()
1042 rb->buf_idx += ishtp_hdr->length; in recv_ishtp_cl_msg()
1062 new_rb->buf_idx = 0; in recv_ishtp_cl_msg()
1153 rb->buffer.size, hbm->msg_length, rb->buf_idx); in recv_ishtp_cl_msg_dma()
1171 rb->buf_idx = hbm->msg_length; in recv_ishtp_cl_msg_dma()
1191 new_rb->buf_idx = 0; in recv_ishtp_cl_msg_dma()
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| /linux/tools/perf/util/ |
| H A D | bpf-event.c | 264 size_t buf_idx; member
272 n = vsnprintf(ctx->buf + ctx->buf_idx, ctx->buf_size - ctx->buf_idx, in format_btf_cb()
274 ctx->buf_idx += n; in format_btf_cb()
275 if (ctx->buf_idx >= ctx->buf_size) in format_btf_cb()
276 ctx->buf_idx = ctx->buf_size; in format_btf_cb()
284 .buf_idx = 0, in format_btf_variable()
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| /linux/tools/testing/selftests/ublk/ |
| H A D | stripe.c | 138 unsigned short buf_idx = ublk_io_buf_idx(t, q, tag); in stripe_queue_tgt_rw_io() local
146 io_uring_prep_buf_register(sqe[0], q, tag, q->q_id, buf_idx); in stripe_queue_tgt_rw_io()
162 sqe[i]->buf_index = buf_idx; in stripe_queue_tgt_rw_io()
172 io_uring_prep_buf_unregister(unreg, q, tag, q->q_id, buf_idx); in stripe_queue_tgt_rw_io()
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| /linux/drivers/net/wwan/t7xx/ |
| H A D | t7xx_hif_dpmaif.c | 35 unsigned int t7xx_ring_buf_get_next_wr_idx(unsigned int buf_len, unsigned int buf_idx) in t7xx_ring_buf_get_next_wr_idx() argument
37 buf_idx++; in t7xx_ring_buf_get_next_wr_idx()
39 return buf_idx < buf_len ? buf_idx : 0; in t7xx_ring_buf_get_next_wr_idx()
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| H A D | t7xx_hif_dpmaif.h | 198 unsigned int t7xx_ring_buf_get_next_wr_idx(unsigned int buf_len, unsigned int buf_idx);
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| /linux/drivers/staging/media/meson/vdec/ |
| H A D | codec_mpeg12.c | 58 static void codec_mpeg12_recycle(struct amvdec_core *core, u32 buf_idx) in codec_mpeg12_recycle() argument
60 amvdec_write_dos(core, MREG_BUFFERIN, buf_idx + 1); in codec_mpeg12_recycle()
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| H A D | codec_h264.c | 154 static void codec_h264_recycle(struct amvdec_core *core, u32 buf_idx) in codec_h264_recycle() argument
161 amvdec_write_dos(core, AV_SCRATCH_7, buf_idx + 1); in codec_h264_recycle()
163 amvdec_write_dos(core, AV_SCRATCH_8, buf_idx + 1); in codec_h264_recycle()
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| H A D | vdec_helpers.c | 407 u32 buf_idx, u32 offset, u32 field) in amvdec_dst_buf_done_idx() argument
413 sess->fw_idx_to_vb2_idx[buf_idx]); in amvdec_dst_buf_done_idx()
418 buf_idx); in amvdec_dst_buf_done_idx()
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| H A D | vdec_helpers.h | 42 void amvdec_dst_buf_done_idx(struct amvdec_session *sess, u32 buf_idx,
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| /linux/drivers/net/ethernet/marvell/prestera/ |
| H A D | prestera_rxtx.c | 267 static int prestera_sdma_next_rx_buf_idx(int buf_idx) in prestera_sdma_next_rx_buf_idx() argument
269 return (buf_idx + 1) % PRESTERA_SDMA_RX_DESC_PER_Q; in prestera_sdma_next_rx_buf_idx()
294 int buf_idx = ring->next_rx; in prestera_sdma_rx_poll() local
297 buf = &ring->bufs[buf_idx]; in prestera_sdma_rx_poll()
320 ring->next_rx = prestera_sdma_next_rx_buf_idx(buf_idx); in prestera_sdma_rx_poll()
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| /linux/tools/testing/selftests/net/ |
| H A D | io_uring_zerocopy_tx.c | 125 unsigned buf_idx = 0; in do_tx() local
144 sqe->buf_index = buf_idx; in do_tx()
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| /linux/drivers/iio/imu/bno055/ |
| H A D | bno055.c | 1392 __le16 *buf, int *buf_idx) in bno055_scan_xfer() argument
1396 int buf_base = *buf_idx; in bno055_scan_xfer()
1433 dst = buf + *buf_idx; in bno055_scan_xfer()
1441 *buf_idx += n; in bno055_scan_xfer()
1455 int buf_idx = 0; in bno055_trigger_handler() local
1505 mask, priv->buf.chans, &buf_idx); in bno055_trigger_handler()
1522 mask, priv->buf.chans, &buf_idx); in bno055_trigger_handler()
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| /linux/drivers/net/ethernet/spacemit/ |
| H A D | k1_emac.c | 692 bool map_as_page, buf_idx; in emac_tx_map_frag() local
698 buf_idx = frag_idx % 2; in emac_tx_map_frag()
717 tx_buf->buf[buf_idx].dma_addr = addr; in emac_tx_map_frag()
718 tx_buf->buf[buf_idx].dma_len = len; in emac_tx_map_frag()
719 tx_buf->buf[buf_idx].map_as_page = map_as_page; in emac_tx_map_frag()
721 if (buf_idx == 0) { in emac_tx_map_frag()
739 bool buf_idx; in emac_tx_mem_map() local
746 buf_idx = f % 2; in emac_tx_mem_map()
752 if (!buf_idx) { in emac_tx_mem_map()
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| /linux/drivers/iio/adc/ |
| H A D | at91-sama5d2_adc.c | 555 int buf_idx; member
1186 if (i >= st->dma_st.buf_idx) in at91_adc_dma_size_done()
1187 size = i - st->dma_st.buf_idx; in at91_adc_dma_size_done()
1189 size = st->dma_st.rx_buf_sz + i - st->dma_st.buf_idx; in at91_adc_dma_size_done()
1212 st->dma_st.buf_idx = 0; in at91_adc_dma_start()
1510 &st->dma_st.rx_buf[st->dma_st.buf_idx], in at91_adc_trigger_handler_dma()
1514 (st->dma_st.rx_buf + st->dma_st.buf_idx), in at91_adc_trigger_handler_dma()
1519 st->dma_st.buf_idx += sample_size; in at91_adc_trigger_handler_dma()
1521 if (st->dma_st.buf_idx >= st->dma_st.rx_buf_sz) in at91_adc_trigger_handler_dma()
1522 st->dma_st.buf_idx = 0; in at91_adc_trigger_handler_dma()
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| /linux/drivers/char/xillybus/ |
| H A D | xillybus_core.c | 1568 int buf_idx; in xillybus_release() local
1617 buf_idx = channel->wr_fpga_buf_idx; in xillybus_release()
1629 buf_idx++; in xillybus_release()
1630 if (buf_idx == channel->num_wr_buffers) in xillybus_release()
1631 buf_idx = 0; in xillybus_release()
1633 if (buf_idx == eof) in xillybus_release()
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| /linux/drivers/gpu/drm/amd/display/dc/inc/hw/ |
| H A D | dwb.h | 215 struct dwbc *dwbc, unsigned int *buf_idx,
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| /linux/arch/powerpc/sysdev/ |
| H A D | fsl_rmu.c | 987 int buf_idx; in fsl_get_inb_message() local
997 buf_idx = (phys_buf - rmu->msg_rx_ring.phys) / RIO_MAX_MSG_SIZE; in fsl_get_inb_message()
998 buf = rmu->msg_rx_ring.virt_buffer[buf_idx]; in fsl_get_inb_message()
1010 rmu->msg_rx_ring.virt_buffer[buf_idx] = NULL; in fsl_get_inb_message()
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