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
next prev parent 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
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