Lines Matching refs:buffer
23 * host DMA buffer has been wrapped. We should output the trace data
24 * at the end of host DMA buffer at first.
69 static ssize_t sof_dfsentry_trace_read(struct file *file, char __user *buffer,
88 /* check for buffer wrap and count overflow */
106 rem = copy_to_user(buffer, ((u8 *)(dfse->buf) + lpos), count);
182 params.buffer.phy_addr = sdev->dmatp.addr;
183 params.buffer.size = sdev->dmatb.bytes;
184 params.buffer.pages = sdev->dma_trace_pages;
234 /* allocate trace page table buffer */
243 /* allocate trace data buffer */
248 "error: can't alloc buffer for trace %d\n", ret);
296 "error: DSP trace buffer overflow %u bytes. Total messages %d\n",