DPDK patches and discussions
 help / color / mirror / Atom feed
From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: Jianfeng Tan <jianfeng.tan@intel.com>
Cc: dev@dpdk.org, stephen@networkplumber.org
Subject: Re: [dpdk-dev] [PATCH v2 3/9] net/virtio: add PCI ops for queue/irq binding
Date: Fri, 30 Dec 2016 13:46:00 +0800	[thread overview]
Message-ID: <20161230054600.GG21789@yliu-dev.sh.intel.com> (raw)
In-Reply-To: <1482996643-113253-4-git-send-email-jianfeng.tan@intel.com>

On Thu, Dec 29, 2016 at 07:30:37AM +0000, Jianfeng Tan wrote:
> Add handler in virtio_pci_ops to set queue/irq bind.
> 
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> ---
>  drivers/net/virtio/virtio_pci.c | 29 +++++++++++++++++++++++++++++
>  drivers/net/virtio/virtio_pci.h |  5 +++++
>  2 files changed, 34 insertions(+)
> 
> diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c
> index 9b47165..4e706cf 100644
> --- a/drivers/net/virtio/virtio_pci.c
> +++ b/drivers/net/virtio/virtio_pci.c
> @@ -217,6 +217,18 @@ legacy_set_config_irq(struct virtio_hw *hw, uint16_t vec)
>  }
>  
>  static uint16_t
> +legacy_set_queue_irq(struct virtio_hw *hw, struct virtqueue *vq, uint16_t vec)
> +{
> +	uint16_t dst;
> +
> +	rte_eal_pci_ioport_write(&hw->io, &vq->vq_queue_index, 2,
> +			 VIRTIO_PCI_QUEUE_SEL);
> +	rte_eal_pci_ioport_write(&hw->io, &vec, 2, VIRTIO_MSI_QUEUE_VECTOR);
> +	rte_eal_pci_ioport_read(&hw->io, &dst, 2, VIRTIO_MSI_QUEUE_VECTOR);
> +	return dst;
> +}
> +
> +static uint16_t
>  legacy_get_queue_num(struct virtio_hw *hw, uint16_t queue_id)
>  {
>  	uint16_t dst;
> @@ -310,6 +322,7 @@ static const struct virtio_pci_ops legacy_ops = {
>  	.set_features	= legacy_set_features,
>  	.get_isr	= legacy_get_isr,
>  	.set_config_irq	= legacy_set_config_irq,
> +	.set_queue_irq = legacy_set_queue_irq,

Please keep the vertical alignment here.

>  	.get_queue_num	= legacy_get_queue_num,
>  	.setup_queue	= legacy_setup_queue,
>  	.del_queue	= legacy_del_queue,
> @@ -449,6 +462,15 @@ modern_set_config_irq(struct virtio_hw *hw, uint16_t vec)
>  }
>  
>  static uint16_t
> +modern_set_queue_irq(struct virtio_hw *hw, struct virtqueue *vq, uint16_t vec)
> +{
> +	PMD_INIT_LOG(INFO, "vq: %u, vec: %u", vq->vq_queue_index, vec);

Such debug info should not exist only in one callback. It should be
in the caller of this callback, before invoke it.

> +	io_write16(vq->vq_queue_index, &hw->common_cfg->queue_select);
> +	io_write16(vec, &hw->common_cfg->queue_msix_vector);
> +	return io_read16(&hw->common_cfg->queue_msix_vector);
> +}
> +
> +static uint16_t
>  modern_get_queue_num(struct virtio_hw *hw, uint16_t queue_id)
>  {
>  	io_write16(queue_id, &hw->common_cfg->queue_select);
> @@ -526,6 +548,7 @@ static const struct virtio_pci_ops modern_ops = {
>  	.set_features	= modern_set_features,
>  	.get_isr	= modern_get_isr,
>  	.set_config_irq	= modern_set_config_irq,
> +	.set_queue_irq = modern_set_queue_irq,

Ditto.

>  	.get_queue_num	= modern_get_queue_num,
>  	.setup_queue	= modern_setup_queue,
>  	.del_queue	= modern_del_queue,
> @@ -605,6 +628,12 @@ vtpci_irq_config(struct virtio_hw *hw, uint16_t vec)
>  	return hw->vtpci_ops->set_config_irq(hw, vec);
>  }
>  
> +uint16_t
> +vtpci_irq_queue(struct virtqueue *vq, uint16_t vec)
> +{
> +	return vq->hw->vtpci_ops->set_queue_irq(vq->hw, vq, vec);
> +}

No need to introduce a wrapper for a vtpci_ops, instead, just invoke
it directly.

	--yliu

  reply	other threads:[~2016-12-30  5:44 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-04  0:18 [dpdk-dev] [PATCH 0/5] Interrupt mode for virtio PMD Jianfeng Tan
2016-12-04  0:18 ` [dpdk-dev] [PATCH 1/5] net/virtio: add Rx descriptor check Jianfeng Tan
2016-12-04  0:18 ` [dpdk-dev] [PATCH 2/5] net/virtio: setup Rx fastpath interrupts Jianfeng Tan
2016-12-04  0:18 ` [dpdk-dev] [PATCH 3/5] net/virtio: remove Rx queue interrupts when stopping Jianfeng Tan
2016-12-04  0:18 ` [dpdk-dev] [PATCH 4/5] net/virtio: add Rx queue intr enable/disable functions Jianfeng Tan
2016-12-04  0:18 ` [dpdk-dev] [PATCH 5/5] examples/l3fwd: add parse-ptype option Jianfeng Tan
2016-12-08  6:59   ` Yuanhan Liu
2016-12-08  7:40     ` Tan, Jianfeng
2016-12-29  7:30 ` [dpdk-dev] [PATCH v2 0/9] rxq interrupt mode for virtio PMD Jianfeng Tan
2016-12-29  7:30   ` [dpdk-dev] [PATCH v2 1/9] net/virtio: fix rewriting LSC flag Jianfeng Tan
2016-12-29  7:30   ` [dpdk-dev] [PATCH v2 2/9] net/virtio: add Rx descriptor check Jianfeng Tan
2016-12-29  7:30   ` [dpdk-dev] [PATCH v2 3/9] net/virtio: add PCI ops for queue/irq binding Jianfeng Tan
2016-12-30  5:46     ` Yuanhan Liu [this message]
2016-12-29  7:30   ` [dpdk-dev] [PATCH v2 4/9] net/virtio: add Rx queue intr enable/disable functions Jianfeng Tan
2016-12-30  5:59     ` Yuanhan Liu
2016-12-29  7:30   ` [dpdk-dev] [PATCH v2 5/9] net/virtio: setup rxq interrupts Jianfeng Tan
2016-12-30  6:27     ` Yuanhan Liu
2017-01-04  6:56       ` Tan, Jianfeng
2017-01-04  7:22         ` Yuanhan Liu
2017-01-04  7:30           ` Tan, Jianfeng
2016-12-29  7:30   ` [dpdk-dev] [PATCH v2 6/9] net/virtio: unbind intr/eventfd when stop device Jianfeng Tan
2016-12-29  7:30   ` [dpdk-dev] [PATCH v2 7/9] net/virtio: unmapping queue/irq when close device Jianfeng Tan
2016-12-30  6:30     ` Yuanhan Liu
2016-12-29  7:30   ` [dpdk-dev] [PATCH v2 8/9] examples/l3fwd: add parse-ptype option Jianfeng Tan
2016-12-30  6:39     ` Yuanhan Liu
2016-12-30  7:30       ` Tan, Jianfeng
2017-01-03  6:59         ` Yuanhan Liu
2016-12-29  7:30   ` [dpdk-dev] [PATCH v2 9/9] examples/l3fwd-power: fix not stop and close device Jianfeng Tan
2016-12-30  6:44     ` Yuanhan Liu
2016-12-30  6:56       ` Tan, Jianfeng
2016-12-29  7:42   ` [dpdk-dev] [PATCH v2 0/9] rxq interrupt mode for virtio PMD Tan, Jianfeng
2016-12-30  5:41     ` Yuanhan Liu
2016-12-30  6:57   ` Yuanhan Liu
2017-01-16 14:46 ` [dpdk-dev] [PATCH v3 00/10] " Jianfeng Tan
2017-01-16 14:46   ` [dpdk-dev] [PATCH v3 01/10] net/virtio: fix rewriting LSC flag Jianfeng Tan
2017-01-16 14:46   ` [dpdk-dev] [PATCH v3 02/10] net/virtio: clean up wrapper of set_config_irq Jianfeng Tan
2017-01-16 14:46   ` [dpdk-dev] [PATCH v3 03/10] net/virtio: add Rx descriptor check Jianfeng Tan
2017-01-16 19:16     ` Stephen Hemminger
2017-01-17  4:09       ` Yuanhan Liu
2017-01-16 14:46   ` [dpdk-dev] [PATCH v3 04/10] net/virtio: add PCI ops for queue/irq binding Jianfeng Tan
2017-01-16 14:46   ` [dpdk-dev] [PATCH v3 05/10] net/virtio: add Rx queue intr enable/disable functions Jianfeng Tan
2017-01-17  2:30     ` Jason Wang
2017-01-16 14:46   ` [dpdk-dev] [PATCH v3 06/10] net/virtio: setup rxq interrupts Jianfeng Tan
2017-01-16 14:46   ` [dpdk-dev] [PATCH v3 07/10] net/virtio: unbind intr/eventfd when stop device Jianfeng Tan
2017-01-16 14:47   ` [dpdk-dev] [PATCH v3 08/10] net/virtio: unmapping queue/irq when close device Jianfeng Tan
2017-01-16 14:47   ` [dpdk-dev] [PATCH v3 09/10] examples/l3fwd-power: add parse-ptype option Jianfeng Tan
2017-01-17  5:16     ` Yuanhan Liu
2017-01-17  5:23       ` Tan, Jianfeng
2017-01-16 14:47   ` [dpdk-dev] [PATCH v3 10/10] examples/l3fwd-power: fix not stop and close device Jianfeng Tan
2017-01-17  2:14   ` [dpdk-dev] [PATCH v3 00/10] rxq interrupt mode for virtio PMD Yao, Lei A
2017-01-17  7:10 ` [dpdk-dev] [PATCH v4 " Jianfeng Tan
2017-01-17  7:10   ` [dpdk-dev] [PATCH v4 01/10] net/virtio: fix rewriting LSC flag Jianfeng Tan
2017-01-17  7:10   ` [dpdk-dev] [PATCH v4 02/10] net/virtio: clean up wrapper of set_config_irq Jianfeng Tan
2017-01-17  7:10   ` [dpdk-dev] [PATCH v4 03/10] net/virtio: add Rx descriptor check Jianfeng Tan
2017-01-17  7:10   ` [dpdk-dev] [PATCH v4 04/10] net/virtio: add PCI ops for queue/irq binding Jianfeng Tan
2017-01-17  7:10   ` [dpdk-dev] [PATCH v4 05/10] net/virtio: add Rx queue intr enable/disable functions Jianfeng Tan
2017-01-17  7:10   ` [dpdk-dev] [PATCH v4 06/10] net/virtio: setup rxq interrupts Jianfeng Tan
2017-01-17  7:10   ` [dpdk-dev] [PATCH v4 07/10] net/virtio: unbind intr/eventfd when stop device Jianfeng Tan
2017-01-17  7:10   ` [dpdk-dev] [PATCH v4 08/10] net/virtio: unmapping queue/irq when close device Jianfeng Tan
2017-01-17  7:10   ` [dpdk-dev] [PATCH v4 09/10] examples/l3fwd-power: add parse-ptype option Jianfeng Tan
2017-01-17  7:10   ` [dpdk-dev] [PATCH v4 10/10] examples/l3fwd-power: fix not stop and close device Jianfeng Tan
2017-01-17  8:28   ` [dpdk-dev] [PATCH v4 00/10] rxq interrupt mode for virtio PMD Yuanhan Liu
2017-01-17  8:00 ` [dpdk-dev] [PATCH v5 06/10] net/virtio: setup rxq interrupts Jianfeng Tan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20161230054600.GG21789@yliu-dev.sh.intel.com \
    --to=yuanhan.liu@linux.intel.com \
    --cc=dev@dpdk.org \
    --cc=jianfeng.tan@intel.com \
    --cc=stephen@networkplumber.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).