Exemple #1
0
static void smc_buf_free(struct smc_buf_desc *buf_desc, struct smc_link *lnk,
			 bool is_rmb)
{
	if (is_rmb) {
		if (buf_desc->mr_rx[SMC_SINGLE_LINK])
			smc_ib_put_memory_region(
					buf_desc->mr_rx[SMC_SINGLE_LINK]);
		smc_ib_buf_unmap_sg(lnk->smcibdev, buf_desc,
				    DMA_FROM_DEVICE);
	} else {
		smc_ib_buf_unmap_sg(lnk->smcibdev, buf_desc,
				    DMA_TO_DEVICE);
	}
	sg_free_table(&buf_desc->sgt[SMC_SINGLE_LINK]);
	if (buf_desc->cpu_addr)
		free_pages((unsigned long)buf_desc->cpu_addr, buf_desc->order);
	kfree(buf_desc);
}
static void smcr_buf_free(struct smc_link_group *lgr, bool is_rmb,
			  struct smc_buf_desc *buf_desc)
{
	struct smc_link *lnk = &lgr->lnk[SMC_SINGLE_LINK];

	if (is_rmb) {
		if (buf_desc->mr_rx[SMC_SINGLE_LINK])
			smc_ib_put_memory_region(
					buf_desc->mr_rx[SMC_SINGLE_LINK]);
		smc_ib_buf_unmap_sg(lnk->smcibdev, buf_desc,
				    DMA_FROM_DEVICE);
	} else {
		smc_ib_buf_unmap_sg(lnk->smcibdev, buf_desc,
				    DMA_TO_DEVICE);
	}
	sg_free_table(&buf_desc->sgt[SMC_SINGLE_LINK]);
	if (buf_desc->pages)
		__free_pages(buf_desc->pages, buf_desc->order);
	kfree(buf_desc);
}