diff options
Diffstat (limited to 'drivers/crypto/marvell/tdma.c')
| -rw-r--r-- | drivers/crypto/marvell/tdma.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/crypto/marvell/tdma.c b/drivers/crypto/marvell/tdma.c index 4d23bf9..dc07335 100644 --- a/drivers/crypto/marvell/tdma.c +++ b/drivers/crypto/marvell/tdma.c @@ -69,6 +69,9 @@ void mv_cesa_dma_cleanup(struct mv_cesa_tdma_req *dreq) if (type == CESA_TDMA_OP) dma_pool_free(cesa_dev->dma->op_pool, tdma->op, le32_to_cpu(tdma->src)); + else if (type == CESA_TDMA_IV) + dma_pool_free(cesa_dev->dma->iv_pool, tdma->data, + le32_to_cpu(tdma->dst)); tdma = tdma->next; dma_pool_free(cesa_dev->dma->tdma_desc_pool, old_tdma, @@ -120,6 +123,32 @@ mv_cesa_dma_add_desc(struct mv_cesa_tdma_chain *chain, gfp_t flags) return new_tdma; } +int mv_cesa_dma_add_iv_op(struct mv_cesa_tdma_chain *chain, dma_addr_t src, + u32 size, u32 flags, gfp_t gfp_flags) +{ + + struct mv_cesa_tdma_desc *tdma; + u8 *iv; + dma_addr_t dma_handle; + + tdma = mv_cesa_dma_add_desc(chain, gfp_flags); + if (IS_ERR(tdma)) + return PTR_ERR(tdma); + + iv = dma_pool_alloc(cesa_dev->dma->iv_pool, flags, &dma_handle); + if (!iv) + return -ENOMEM; + + tdma->byte_cnt = cpu_to_le32(size | BIT(31)); + tdma->src = src; + tdma->dst = cpu_to_le32(dma_handle); + tdma->data = iv; + + flags &= (CESA_TDMA_DST_IN_SRAM | CESA_TDMA_SRC_IN_SRAM); + tdma->flags = flags | CESA_TDMA_IV; + return 0; +} + struct mv_cesa_op_ctx *mv_cesa_dma_add_op(struct mv_cesa_tdma_chain *chain, const struct mv_cesa_op_ctx *op_templ, bool skip_ctx, |