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crypto: hisilicon/sgl - add some dfx logs

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Add some dfx logs in some abnormal exit situations.

Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Kai Ye 2021-04-09 17:04:02 +08:00 committed by Herbert Xu
parent c5f735bbf3
commit 197272b8f0
1 changed files with 11 additions and 4 deletions
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15
drivers/crypto/hisilicon/sgl.c
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@ -90,8 +90,10 @@ struct hisi_acc_sgl_pool *hisi_acc_create_sgl_pool(struct device *dev,
block[i].sgl = dma_alloc_coherent(dev, block_size,
&block[i].sgl_dma,
GFP_KERNEL);
if (!block[i].sgl)
if (!block[i].sgl) {
dev_err(dev, "Fail to allocate hw SG buffer!\n");
goto err_free_mem;
}
block[i].size = block_size;
}
@ -100,8 +102,10 @@ struct hisi_acc_sgl_pool *hisi_acc_create_sgl_pool(struct device *dev,
block[i].sgl = dma_alloc_coherent(dev, remain_sgl * sgl_size,
&block[i].sgl_dma,
GFP_KERNEL);
if (!block[i].sgl)
if (!block[i].sgl) {
dev_err(dev, "Fail to allocate remained hw SG buffer!\n");
goto err_free_mem;
}
block[i].size = remain_sgl * sgl_size;
}
@ -216,16 +220,19 @@ hisi_acc_sg_buf_map_to_hw_sgl(struct device *dev,
sg_n = sg_nents(sgl);
sg_n_mapped = dma_map_sg(dev, sgl, sg_n, DMA_BIDIRECTIONAL);
if (!sg_n_mapped)
if (!sg_n_mapped) {
dev_err(dev, "DMA mapping for SG error!\n");
return ERR_PTR(-EINVAL);
}
if (sg_n_mapped > pool->sge_nr) {
dma_unmap_sg(dev, sgl, sg_n, DMA_BIDIRECTIONAL);
dev_err(dev, "the number of entries in input scatterlist is bigger than SGL pool setting.\n");
return ERR_PTR(-EINVAL);
}
curr_hw_sgl = acc_get_sgl(pool, index, &curr_sgl_dma);
if (IS_ERR(curr_hw_sgl)) {
dev_err(dev, "Get SGL error!\n");
dma_unmap_sg(dev, sgl, sg_n, DMA_BIDIRECTIONAL);
return ERR_PTR(-ENOMEM);