C++ (Cpp) fimg2d_check_address 예제들

예제 #1

파일: fimg2d_ctx.c 프로젝트: duki994/G900H_LP_Kernel

static int fimg2d_check_dma_sync(struct fimg2d_bltcmd *cmd)
{
	struct mm_struct *mm = cmd->ctx->mm;

	fimg2d_calc_dma_size(cmd);

	if (fimg2d_check_address(cmd))
		return -EINVAL;

	if (fimg2d_check_pgd(mm, cmd))
		return -EFAULT;

#ifndef CCI_SNOOP
	fimg2d_debug("cache flush\n");
	perf_start(cmd, PERF_CACHE);
	if (is_inner_flushall(cmd->dma_all)) {
		inner_touch_range(cmd);
		flush_all_cpu_caches();
	} else {
		inner_flush_clip_range(cmd);
	}

#ifdef CONFIG_OUTER_CACHE
	if (is_outer_flushall(cmd->dma_all))
		outer_flush_all();
	else
		outer_flush_clip_range(cmd);
#endif
	perf_end(cmd, PERF_CACHE);
#endif
	return 0;
}

예제 #2

파일: fimg2d_ctx.c 프로젝트: 4pao/android_kernel_hardkernel_odroidxu3

static int fimg2d_check_dma_sync(struct fimg2d_bltcmd *cmd)
{
	struct mm_struct *mm = cmd->ctx->mm;
	struct fimg2d_dma *c;
	enum pt_status pt;
	int i;

	fimg2d_calc_dma_size(cmd);

	if (fimg2d_check_address(cmd))
		return -EINVAL;

	for (i = 0; i < MAX_IMAGES; i++) {
		c = &cmd->dma[i].base;
		if (!c->size)
			continue;

		pt = fimg2d_check_pagetable(mm, c->addr, c->size);
		if (pt == PT_FAULT)
			return -EFAULT;
	}

#ifndef CCI_SNOOP
	fimg2d_debug("cache flush\n");
	perf_start(cmd, PERF_CACHE);

	if (is_inner_flushall(cmd->dma_all)) {
		inner_touch_range(cmd);
		flush_all_cpu_caches();
	} else {
		inner_flush_clip_range(cmd);
	}

#ifdef CONFIG_OUTER_CACHE
	if (is_outer_flushall(cmd->dma_all))
		outer_flush_all();
	else
		outer_flush_clip_range(cmd);
#endif
	perf_end(cmd, PERF_CACHE);
#endif
	return 0;
}