C++ (Cpp) isp_stat_buf_sync_magic_for_device 예제들

예제 #1

파일: ispstat.c 프로젝트: DirtyDroidX/android_kernel_htc_m8ul

static void isp_stat_buf_insert_magic(struct ispstat *stat,
				      struct ispstat_buffer *buf)
{
	const u32 buf_size = IS_H3A_AF(stat) ?
			     stat->buf_size + AF_EXTRA_DATA : stat->buf_size;

	isp_stat_buf_sync_magic_for_cpu(stat, buf, buf_size, DMA_FROM_DEVICE);

	memset(buf->virt_addr, MAGIC_NUM, MAGIC_SIZE);
	memset(buf->virt_addr + buf_size, MAGIC_NUM, MAGIC_SIZE);

	isp_stat_buf_sync_magic_for_device(stat, buf, buf_size,
					   DMA_BIDIRECTIONAL);
}

예제 #2

파일: ispstat.c 프로젝트: Astralix/mainline-dss11

static void isp_stat_buf_insert_magic(struct ispstat *stat,
				      struct ispstat_buffer *buf)
{
	const u32 buf_size = IS_H3A_AF(stat) ?
			     stat->buf_size + AF_EXTRA_DATA : stat->buf_size;

	isp_stat_buf_sync_magic_for_cpu(stat, buf, buf_size, DMA_FROM_DEVICE);

	/*
	 * Inserting MAGIC_NUM at the beginning and end of the buffer.
	 * buf->buf_size is set only after the buffer is queued. For now the
	 * right buf_size for the current configuration is pointed by
	 * stat->buf_size.
	 */
	memset(buf->virt_addr, MAGIC_NUM, MAGIC_SIZE);
	memset(buf->virt_addr + buf_size, MAGIC_NUM, MAGIC_SIZE);

	isp_stat_buf_sync_magic_for_device(stat, buf, buf_size,
					   DMA_BIDIRECTIONAL);
}

예제 #3

파일: ispstat.c 프로젝트: AshishNamdev/linux

static int isp_stat_buf_check_magic(struct ispstat *stat,
				    struct ispstat_buffer *buf)
{
	const u32 buf_size = IS_H3A_AF(stat) ?
			     buf->buf_size + AF_EXTRA_DATA : buf->buf_size;
	u8 *w;
	u8 *end;
	int ret = -EINVAL;

	isp_stat_buf_sync_magic_for_cpu(stat, buf, buf_size, DMA_FROM_DEVICE);

	/* Checking initial magic numbers. They shouldn't be here anymore. */
	for (w = buf->virt_addr, end = w + MAGIC_SIZE; w < end; w++)
		if (likely(*w != MAGIC_NUM))
			ret = 0;

	if (ret) {
		dev_dbg(stat->isp->dev,
			"%s: beginning magic check does not match.\n",
			stat->subdev.name);
		return ret;
	}

	/* Checking magic numbers at the end. They must be still here. */
	for (w = buf->virt_addr + buf_size, end = w + MAGIC_SIZE;
	     w < end; w++) {
		if (unlikely(*w != MAGIC_NUM)) {
			dev_dbg(stat->isp->dev,
				"%s: ending magic check does not match.\n",
				stat->subdev.name);
			return -EINVAL;
		}
	}

	isp_stat_buf_sync_magic_for_device(stat, buf, buf_size,
					   DMA_FROM_DEVICE);

	return 0;
}

예제 #4

파일: ispstat.c 프로젝트: DirtyDroidX/android_kernel_htc_m8ul

static int isp_stat_buf_check_magic(struct ispstat *stat,
				    struct ispstat_buffer *buf)
{
	const u32 buf_size = IS_H3A_AF(stat) ?
			     buf->buf_size + AF_EXTRA_DATA : buf->buf_size;
	u8 *w;
	u8 *end;
	int ret = -EINVAL;

	isp_stat_buf_sync_magic_for_cpu(stat, buf, buf_size, DMA_FROM_DEVICE);

	
	for (w = buf->virt_addr, end = w + MAGIC_SIZE; w < end; w++)
		if (likely(*w != MAGIC_NUM))
			ret = 0;

	if (ret) {
		dev_dbg(stat->isp->dev, "%s: beginning magic check does not "
					"match.\n", stat->subdev.name);
		return ret;
	}

	
	for (w = buf->virt_addr + buf_size, end = w + MAGIC_SIZE;
	     w < end; w++) {
		if (unlikely(*w != MAGIC_NUM)) {
			dev_dbg(stat->isp->dev, "%s: endding magic check does "
				"not match.\n", stat->subdev.name);
			return -EINVAL;
		}
	}

	isp_stat_buf_sync_magic_for_device(stat, buf, buf_size,
					   DMA_FROM_DEVICE);

	return 0;
}