From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Nalla Pradeep <pnalla@marvell.com>,
Radha Mohan Chintakuntla <radhac@marvell.com>,
Veerasenareddy Burru <vburru@marvell.com>
Cc: jerinj@marvell.com, dev@dpdk.org, sburla@marvell.com
Subject: Re: [dpdk-dev] [PATCH v2 08/11] net/octeontx_ep: Setting up iq and oq registers
Date: Tue, 26 Jan 2021 15:32:03 +0000 [thread overview]
Message-ID: <b6d02564-1d7e-5e05-fe2e-0e9bcd8d1000@intel.com> (raw)
In-Reply-To: <20210118093602.5449-8-pnalla@marvell.com>
On 1/18/2021 9:35 AM, Nalla Pradeep wrote:
> Configuring hardware registers with command queue(iq) and droq(oq)
> parameters.
>
Can you please elaborate what functionalit is configured, registers setup is not
clear on its own?
> Signed-off-by: Nalla Pradeep <pnalla@marvell.com>
<...>
> +static void
> +otx2_vf_setup_oq_regs(struct otx_ep_device *otx_ep, uint32_t oq_no)
> +{
> + volatile uint64_t reg_val = 0ull;
> + uint64_t oq_ctl = 0ull;
> + struct otx_ep_droq *droq = otx_ep->droq[oq_no];
> +
> + /* Wait on IDLE to set to 1, supposed to configure BADDR
> + * as log as IDLE is 0
> + */
> + reg_val = otx2_read64(otx_ep->hw_addr + SDP_VF_R_OUT_CONTROL(oq_no));
> +
> + while (!(reg_val & SDP_VF_R_OUT_CTL_IDLE)) {
> + reg_val = otx2_read64(otx_ep->hw_addr +
> + SDP_VF_R_OUT_CONTROL(oq_no));
> + }
> +
> + otx2_write64(droq->desc_ring_dma, otx_ep->hw_addr +
> + SDP_VF_R_OUT_SLIST_BADDR(oq_no));
> + otx2_write64(droq->nb_desc, otx_ep->hw_addr +
> + SDP_VF_R_OUT_SLIST_RSIZE(oq_no));
> +
> + oq_ctl = otx2_read64(otx_ep->hw_addr + SDP_VF_R_OUT_CONTROL(oq_no));
> +
> + /* Clear the ISIZE and BSIZE (22-0) */
> + oq_ctl &= ~(0x7fffffull);
> +
> + /* Populate the BSIZE (15-0) */
> + oq_ctl |= (droq->buffer_size & 0xffff);
> +
> +#ifndef BUFPTR_ONLY_MODE
> + /* Populate ISIZE(22-16) */
> + oq_ctl |= ((OTX_EP_RH_SIZE << 16) & 0x7fffff);
> +#endif
> + otx2_write64(oq_ctl, otx_ep->hw_addr + SDP_VF_R_OUT_CONTROL(oq_no));
> +
> + /* Mapped address of the pkt_sent and pkts_credit regs */
> + droq->pkts_sent_reg = (uint8_t *)otx_ep->hw_addr +
> + SDP_VF_R_OUT_CNTS(oq_no);
> + droq->pkts_credit_reg = (uint8_t *)otx_ep->hw_addr +
> + SDP_VF_R_OUT_SLIST_DBELL(oq_no);
> +
> + rte_write64(0x3FFFFFFFFFFFFFUL,
> + otx_ep->hw_addr + SDP_VF_R_OUT_INT_LEVELS(oq_no));
> +
> + /* Clear PKT_CNT register */
> + rte_write64(0xFFFFFFFFF, (uint8_t *)otx_ep->hw_addr +
> + SDP_VF_R_OUT_PKT_CNT(oq_no));
> +
> + /* Clear the OQ doorbell */
> + rte_write32(0xFFFFFFFF, droq->pkts_credit_reg);
> + while ((rte_read32(droq->pkts_credit_reg) != 0ull)) {
> + rte_write32(0xFFFFFFFF, droq->pkts_credit_reg);
> + rte_delay_ms(1);
There are multiple hardcoded values in this function, better to convert to
defines as much as possible.
<...>
> @@ -4,13 +4,38 @@
> #ifndef _OTX_EP_VF_H_
> #define _OTX_EP_VF_H_
>
> +
> +
> +
> +
extra space?
next prev parent reply other threads:[~2021-01-26 15:32 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-18 9:35 [dpdk-dev] [PATCH v2 01/11] net/octeontx_ep: add build and doc infrastructure Nalla Pradeep
2021-01-18 9:35 ` [dpdk-dev] [PATCH v2 02/11] net/octeontx_ep: add ethdev probe and remove Nalla Pradeep
2021-01-19 11:55 ` Jerin Jacob
2021-01-26 15:27 ` Ferruh Yigit
2021-01-27 11:45 ` [dpdk-dev] [EXT] " Pradeep Kumar Nalla
2021-01-18 9:35 ` [dpdk-dev] [PATCH v2 03/11] net/octeontx_ep: add device init and uninit Nalla Pradeep
2021-01-19 12:06 ` Jerin Jacob
2021-01-26 15:25 ` Ferruh Yigit
2021-01-18 9:35 ` [dpdk-dev] [PATCH v2 04/11] net/octeontx_ep: Added basic device setup Nalla Pradeep
2021-01-19 12:09 ` Jerin Jacob
2021-01-26 15:29 ` Ferruh Yigit
2021-01-18 9:35 ` [dpdk-dev] [PATCH v2 05/11] net/octeontx_ep: Add dev info get and configure Nalla Pradeep
2021-01-26 15:31 ` Ferruh Yigit
2021-01-28 7:03 ` [dpdk-dev] [EXT] " Pradeep Kumar Nalla
2021-01-18 9:35 ` [dpdk-dev] [PATCH v2 06/11] net/octeontx_ep: Added rxq setup and release Nalla Pradeep
2021-01-18 9:35 ` [dpdk-dev] [PATCH v2 07/11] net/octeontx_ep: Added tx queue " Nalla Pradeep
2021-01-18 9:35 ` [dpdk-dev] [PATCH v2 08/11] net/octeontx_ep: Setting up iq and oq registers Nalla Pradeep
2021-01-26 15:32 ` Ferruh Yigit [this message]
2021-01-18 9:36 ` [dpdk-dev] [PATCH v2 09/11] net/octeontx_ep: Added dev start and stop Nalla Pradeep
2021-01-26 15:32 ` Ferruh Yigit
2021-01-18 9:36 ` [dpdk-dev] [PATCH v2 10/11] net/octeontx_ep: Receive data path function added Nalla Pradeep
2021-01-26 15:33 ` Ferruh Yigit
2021-01-18 9:36 ` [dpdk-dev] [PATCH v2 11/11] net/octeontx_ep: Transmit " Nalla Pradeep
2021-01-26 15:35 ` Ferruh Yigit
2021-01-19 11:50 ` [dpdk-dev] [PATCH v2 01/11] net/octeontx_ep: add build and doc infrastructure Jerin Jacob
2021-01-26 15:09 ` Ferruh Yigit
2021-01-26 15:41 ` Ferruh Yigit
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 00/11] Octeon Tx/Tx2 Endpoint pmd Nalla Pradeep
2021-01-29 0:16 ` [dpdk-dev] [PATCH v6 00/12] " Nalla Pradeep
2021-01-29 12:44 ` [dpdk-dev] [PATCH v7 " Nalla Pradeep
2021-01-29 14:08 ` Ferruh Yigit
2021-01-29 12:44 ` [dpdk-dev] [PATCH v7 01/12] raw/octeontx_ep: changed device id Nalla Pradeep
2021-02-11 0:58 ` Radha Mohan
2021-01-29 12:45 ` [dpdk-dev] [PATCH v7 02/12] net/octeontx_ep: add build and doc infrastructure Nalla Pradeep
2021-01-29 12:45 ` [dpdk-dev] [PATCH v7 03/12] net/octeontx_ep: add ethdev probe and remove Nalla Pradeep
2021-01-29 12:45 ` [dpdk-dev] [PATCH v7 04/12] net/octeontx_ep: add device init and uninit Nalla Pradeep
2021-01-29 12:45 ` [dpdk-dev] [PATCH v7 05/12] net/octeontx_ep: added basic device setup Nalla Pradeep
2021-01-29 12:45 ` [dpdk-dev] [PATCH v7 06/12] net/octeontx_ep: add dev info get and configure Nalla Pradeep
2021-01-29 12:45 ` [dpdk-dev] [PATCH v7 07/12] net/octeontx_ep: added rxq setup and release Nalla Pradeep
2021-01-29 14:04 ` Ferruh Yigit
2021-01-29 12:45 ` [dpdk-dev] [PATCH v7 08/12] net/octeontx_ep: added tx queue " Nalla Pradeep
2021-01-29 14:04 ` Ferruh Yigit
2021-01-29 12:45 ` [dpdk-dev] [PATCH v7 09/12] net/octeontx_ep: setting up iq and oq registers Nalla Pradeep
2021-01-29 12:45 ` [dpdk-dev] [PATCH v7 10/12] net/octeontx_ep: added dev start and stop Nalla Pradeep
2021-01-29 12:45 ` [dpdk-dev] [PATCH v7 11/12] net/octeontx_ep: receive data path function added Nalla Pradeep
2021-01-29 12:45 ` [dpdk-dev] [PATCH v7 12/12] net/octeontx_ep: transmit " Nalla Pradeep
2021-01-29 0:16 ` [dpdk-dev] [PATCH v6 01/12] raw/octeontx_ep: changed device id Nalla Pradeep
2021-01-29 0:16 ` [dpdk-dev] [PATCH v6 02/12] net/octeontx_ep: add build and doc infrastructure Nalla Pradeep
2021-01-29 0:16 ` [dpdk-dev] [PATCH v6 03/12] net/octeontx_ep: add ethdev probe and remove Nalla Pradeep
2021-01-29 0:16 ` [dpdk-dev] [PATCH v6 04/12] net/octeontx_ep: add device init and uninit Nalla Pradeep
2021-01-29 9:19 ` Ferruh Yigit
2021-01-29 0:16 ` [dpdk-dev] [PATCH v6 05/12] net/octeontx_ep: added basic device setup Nalla Pradeep
2021-01-29 0:16 ` [dpdk-dev] [PATCH v6 06/12] net/octeontx_ep: add dev info get and configure Nalla Pradeep
2021-01-29 0:16 ` [dpdk-dev] [PATCH v6 07/12] net/octeontx_ep: added rxq setup and release Nalla Pradeep
2021-01-29 0:16 ` [dpdk-dev] [PATCH v6 08/12] net/octeontx_ep: added tx queue " Nalla Pradeep
2021-01-29 0:16 ` [dpdk-dev] [PATCH v6 09/12] net/octeontx_ep: setting up iq and oq registers Nalla Pradeep
2021-01-29 0:16 ` [dpdk-dev] [PATCH v6 10/12] net/octeontx_ep: added dev start and stop Nalla Pradeep
2021-01-29 0:16 ` [dpdk-dev] [PATCH v6 11/12] net/octeontx_ep: receive data path function added Nalla Pradeep
2021-01-29 9:24 ` Ferruh Yigit
2021-01-29 0:16 ` [dpdk-dev] [PATCH v6 12/12] net/octeontx_ep: transmit " Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 01/11] net/octeontx_ep: add build and doc infrastructure Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 02/11] net/octeontx_ep: add ethdev probe and remove Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 03/11] net/octeontx_ep: add device init and uninit Nalla Pradeep
2021-01-28 16:55 ` Ferruh Yigit
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 04/11] net/octeontx_ep: added basic device setup Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 05/11] net/octeontx_ep: add dev info get and configure Nalla Pradeep
2021-01-28 16:56 ` Ferruh Yigit
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 06/11] net/octeontx_ep: added rxq setup and release Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 07/11] net/octeontx_ep: added tx queue " Nalla Pradeep
2021-01-28 16:57 ` Ferruh Yigit
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 08/11] net/octeontx_ep: setting up iq and oq registers Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 09/11] net/octeontx_ep: added dev start and stop Nalla Pradeep
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 10/11] net/octeontx_ep: receive data path function added Nalla Pradeep
2021-01-28 16:58 ` Ferruh Yigit
2021-01-28 15:22 ` [dpdk-dev] [PATCH v5 11/11] net/octeontx_ep: transmit " Nalla Pradeep
2021-01-28 16:59 ` Ferruh Yigit
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