[dpdk-dev] [PATCH v1 4/7] compress/octeontx: add ops enq deq apis

[De Lara Guarch, Pablo]

> -----Original Message-----
> From: Shally Verma [mailto:shally.verma at caviumnetworks.com]
> Sent: Tuesday, June 5, 2018 11:35 AM
> To: De Lara Guarch, Pablo <pablo.de.lara.guarch at intel.com>
> Cc: Trahe, Fiona <fiona.trahe at intel.com>; dev at dpdk.org;
> pathreya at caviumnetworks.com; mchalla at caviumnetworks.com; Ashish Gupta
> <ashish.gupta at caviumnetworks.com>; Sunila Sahu
> <sunila.sahu at caviumnetworks.com>
> Subject: [PATCH v1 4/7] compress/octeontx: add ops enq deq apis
> 
> implement enqueue and dequeue apis
> 
> Signed-off-by: Ashish Gupta <ashish.gupta at caviumnetworks.com>
> Signed-off-by: Shally Verma <shally.verma at caviumnetworks.com>
> Signed-off-by: Sunila Sahu <sunila.sahu at caviumnetworks.com>

...

> --- a/drivers/compress/octeontx/zipvf.h
> +++ b/drivers/compress/octeontx/zipvf.h

...

> +static inline int
> +zipvf_prepare_out_buf(struct zip_stream *zstrm, struct rte_comp_op *op)
> +{
> +	uint32_t offset;
> +	union zip_zptr_s *sg_list = NULL;
> +	struct rte_mbuf *m_dst;
> +	union zip_inst_s *inst = zstrm->inst;
> +	rte_iova_t iova;
> +
> +	offset = op->src.offset;
> +	m_dst = op->m_dst;
> +
> +	if (m_dst->nb_segs == 1) {
> +		/* Prepare direct input data pointer */
> +		inst->s.ds = 0;
> +		inst->s.out_ptr_addr.s.addr =
> +			rte_pktmbuf_iova_offset(m_dst, offset);
> +		inst->s.totaloutputlength = rte_pktmbuf_data_len(m_dst) -
> +					    op->dst.offset;
> +		inst->s.out_ptr_ctl.s.length = inst->s.totaloutputlength;
> +		return 0;
> +	}
> +
> +	ZIP_PMD_ERR("output packet is segmented\n");
> +
> +	/* Packet is segmented, create gather buffer */
> +	inst->s.ds = 1;
> +	iova = rte_mempool_virt2iova(zstrm->bufs[OUT_DATA_BUF]);
> +	if (iova & 0xF) {
> +		/* Align it to 16 Byte address */
> +		iova = ZIP_ALIGN_ROUNDUP(iova, ZIP_SGPTR_ALIGN);
> +	}
> +
> +	inst->s.out_ptr_addr.s.addr = iova;
> +	inst->s.inp_ptr_ctl.s.length = (m_dst->nb_segs < MAX_SG_LEN) ?
> +					(m_dst->nb_segs) : MAX_SG_LEN;
> +
> +	sg_list = (union zip_zptr_s *)iova;

There is a compilation issue on gcc 32 bits:

drivers/compress/octeontx/zipvf.h:260:12: error:
cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
  sg_list = (union zip_zptr_s *)iova;