DPDK patches and discussions
 help / color / mirror / Atom feed
From: "Xia, Chenbo" <chenbo.xia@intel.com>
To: Maxime Coquelin <maxime.coquelin@redhat.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"olivier.matz@6wind.com" <olivier.matz@6wind.com>,
	"amorenoz@redhat.com" <amorenoz@redhat.com>,
	"david.marchand@redhat.com" <david.marchand@redhat.com>
Subject: Re: [dpdk-dev] [PATCH 21/40] net/virtio: move vring alignment to generic header
Date: Wed, 30 Dec 2020 03:18:26 +0000
Message-ID: <MN2PR11MB4063C873DD83A5DD753142619CD70@MN2PR11MB4063.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20201220211405.313012-22-maxime.coquelin@redhat.com>

> -----Original Message-----
> From: Maxime Coquelin <maxime.coquelin@redhat.com>
> Sent: Monday, December 21, 2020 5:14 AM
> To: dev@dpdk.org; Xia, Chenbo <chenbo.xia@intel.com>; olivier.matz@6wind.com;
> amorenoz@redhat.com; david.marchand@redhat.com
> Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
> Subject: [PATCH 21/40] net/virtio: move vring alignment to generic header
> 
> This patch moves vring alignment define to the generic
> Virtio header.
> 
> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> ---
>  drivers/net/virtio/virtio.h             |  3 +++
>  drivers/net/virtio/virtio_ethdev.c      | 10 +++++-----
>  drivers/net/virtio/virtio_pci.c         |  2 +-
>  drivers/net/virtio/virtio_pci.h         |  3 ---
>  drivers/net/virtio/virtio_user_ethdev.c |  4 ++--
>  5 files changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/net/virtio/virtio.h b/drivers/net/virtio/virtio.h
> index f44125f48a..964e15bb22 100644
> --- a/drivers/net/virtio/virtio.h
> +++ b/drivers/net/virtio/virtio.h
> @@ -131,6 +131,9 @@
>  /* Vector value used to disable MSI for queue. */
>  #define VIRTIO_MSI_NO_VECTOR 0xFFFF
> 
> +/* The alignment to use between consumer and producer parts of vring. */
> +#define VIRTIO_VRING_ALIGN 4096
> +
>  /*
>   * This structure is just a reference to read
>   * net device specific config space; it just a chodu structure
> diff --git a/drivers/net/virtio/virtio_ethdev.c
> b/drivers/net/virtio/virtio_ethdev.c
> index 99a2dd24c4..1ca8715832 100644
> --- a/drivers/net/virtio/virtio_ethdev.c
> +++ b/drivers/net/virtio/virtio_ethdev.c
> @@ -407,12 +407,12 @@ virtio_init_vring(struct virtqueue *vq)
>  	memset(vq->vq_descx, 0, sizeof(struct vq_desc_extra) * vq->vq_nentries);
>  	if (virtio_with_packed_queue(vq->hw)) {
>  		vring_init_packed(&vq->vq_packed.ring, ring_mem,
> -				  VIRTIO_PCI_VRING_ALIGN, size);
> +				  VIRTIO_VRING_ALIGN, size);
>  		vring_desc_init_packed(vq, size);
>  	} else {
>  		struct vring *vr = &vq->vq_split.ring;
> 
> -		vring_init_split(vr, ring_mem, VIRTIO_PCI_VRING_ALIGN, size);
> +		vring_init_split(vr, ring_mem, VIRTIO_VRING_ALIGN, size);
>  		vring_desc_init_split(vr->desc, size);
>  	}
>  	/*
> @@ -497,14 +497,14 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t
> vtpci_queue_idx)
>  	/*
>  	 * Reserve a memzone for vring elements
>  	 */
> -	size = vring_size(hw, vq_size, VIRTIO_PCI_VRING_ALIGN);
> -	vq->vq_ring_size = RTE_ALIGN_CEIL(size, VIRTIO_PCI_VRING_ALIGN);
> +	size = vring_size(hw, vq_size, VIRTIO_VRING_ALIGN);
> +	vq->vq_ring_size = RTE_ALIGN_CEIL(size, VIRTIO_VRING_ALIGN);
>  	PMD_INIT_LOG(DEBUG, "vring_size: %d, rounded_vring_size: %d",
>  		     size, vq->vq_ring_size);
> 
>  	mz = rte_memzone_reserve_aligned(vq_name, vq->vq_ring_size,
>  			numa_node, RTE_MEMZONE_IOVA_CONTIG,
> -			VIRTIO_PCI_VRING_ALIGN);
> +			VIRTIO_VRING_ALIGN);
>  	if (mz == NULL) {
>  		if (rte_errno == EEXIST)
>  			mz = rte_memzone_lookup(vq_name);
> diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c
> index 01a437a1b4..f8532c5684 100644
> --- a/drivers/net/virtio/virtio_pci.c
> +++ b/drivers/net/virtio/virtio_pci.c
> @@ -432,7 +432,7 @@ modern_setup_queue(struct virtio_hw *hw, struct virtqueue
> *vq)
>  	avail_addr = desc_addr + vq->vq_nentries * sizeof(struct vring_desc);
>  	used_addr = RTE_ALIGN_CEIL(avail_addr + offsetof(struct vring_avail,
>  							 ring[vq->vq_nentries]),
> -				   VIRTIO_PCI_VRING_ALIGN);
> +				   VIRTIO_VRING_ALIGN);
> 
>  	rte_write16(vq->vq_queue_index, &dev->common_cfg->queue_select);
> 
> diff --git a/drivers/net/virtio/virtio_pci.h b/drivers/net/virtio/virtio_pci.h
> index 4ee890ffda..2cb3ebf93d 100644
> --- a/drivers/net/virtio/virtio_pci.h
> +++ b/drivers/net/virtio/virtio_pci.h
> @@ -122,9 +122,6 @@ struct virtio_pci_dev {
>   */
>  #define VIRTIO_PCI_QUEUE_ADDR_SHIFT 12
> 
> -/* The alignment to use between consumer and producer parts of vring. */
> -#define VIRTIO_PCI_VRING_ALIGN 4096
> -
>  /*
>   * Function declaration from virtio_pci.c
>   */
> diff --git a/drivers/net/virtio/virtio_user_ethdev.c
> b/drivers/net/virtio/virtio_user_ethdev.c
> index eacb268297..283f5c7a36 100644
> --- a/drivers/net/virtio/virtio_user_ethdev.c
> +++ b/drivers/net/virtio/virtio_user_ethdev.c
> @@ -388,7 +388,7 @@ virtio_user_setup_queue_packed(struct virtqueue *vq,
>  		sizeof(struct vring_packed_desc);
>  	used_addr = RTE_ALIGN_CEIL(avail_addr +
>  			   sizeof(struct vring_packed_desc_event),
> -			   VIRTIO_PCI_VRING_ALIGN);
> +			   VIRTIO_VRING_ALIGN);
>  	vring->num = vq->vq_nentries;
>  	vring->desc = (void *)(uintptr_t)desc_addr;
>  	vring->driver = (void *)(uintptr_t)avail_addr;
> @@ -410,7 +410,7 @@ virtio_user_setup_queue_split(struct virtqueue *vq, struct
> virtio_user_dev *dev)
>  	avail_addr = desc_addr + vq->vq_nentries * sizeof(struct vring_desc);
>  	used_addr = RTE_ALIGN_CEIL(avail_addr + offsetof(struct vring_avail,
>  							 ring[vq->vq_nentries]),
> -				   VIRTIO_PCI_VRING_ALIGN);
> +				   VIRTIO_VRING_ALIGN);
> 
>  	dev->vrings[queue_idx].num = vq->vq_nentries;
>  	dev->vrings[queue_idx].desc = (void *)(uintptr_t)desc_addr;
> --
> 2.29.2

Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>

  reply	other threads:[~2020-12-30  3:18 UTC|newest]

Thread overview: 149+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-20 21:13 [dpdk-dev] [PATCH 00/40] net/virtio: Virtio PMD rework Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 01/40] bus/vdev: add helper to get vdev from eth dev Maxime Coquelin
2020-12-30  3:02   ` Xia, Chenbo
2021-01-05 21:15   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 02/40] net/virtio: Introduce Virtio bus type Maxime Coquelin
2020-12-30  3:02   ` Xia, Chenbo
2021-01-05 21:15   ` David Marchand
2021-01-14  9:24     ` Maxime Coquelin
2021-01-14 10:54       ` Maxime Coquelin
2021-01-14 11:55         ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 03/40] net/virtio: refactor virtio-user device Maxime Coquelin
2020-12-30  3:02   ` Xia, Chenbo
2021-01-05 21:16   ` David Marchand
2021-01-14  9:26     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 04/40] net/virtio: introduce PCI device metadata Maxime Coquelin
2020-12-30  3:02   ` Xia, Chenbo
2021-01-05 21:16   ` David Marchand
2021-01-14 11:05     ` Maxime Coquelin
2021-01-14 14:40       ` David Marchand
2021-01-14 14:44         ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 05/40] net/virtio: move PCI device init in dedicated file Maxime Coquelin
2020-12-30  3:02   ` Xia, Chenbo
2021-01-05 21:19   ` David Marchand
2021-01-14 16:04     ` Maxime Coquelin
2021-01-14 16:14       ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 06/40] net/virtio: move PCI specific dev init to PCI ethdev init Maxime Coquelin
2020-12-30  3:05   ` Xia, Chenbo
2021-01-06  8:58   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 07/40] net/virtio: move MSIX detection to PCI ethdev Maxime Coquelin
2020-12-30  3:05   ` Xia, Chenbo
2021-01-06  8:22   ` David Marchand
2021-01-14 17:19     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 08/40] net/virtio: force IOVA as VA mode for Virtio-user Maxime Coquelin
2020-12-30  3:06   ` Xia, Chenbo
2021-01-06  9:06   ` David Marchand
2021-01-06  9:11     ` Thomas Monjalon
2021-01-06  9:22       ` Maxime Coquelin
2021-01-06 16:37       ` Kinsella, Ray
2021-01-06  9:14     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 09/40] net/virtio: store PCI type in Virtio device metadata Maxime Coquelin
2020-12-30  3:07   ` Xia, Chenbo
2021-01-06  9:14   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 10/40] net/virtio: add callback for device closing Maxime Coquelin
2020-12-30  3:07   ` Xia, Chenbo
2021-01-06  9:33   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 11/40] net/virtio: validate features at bus level Maxime Coquelin
2020-12-30  3:08   ` Xia, Chenbo
2021-01-06  9:33   ` David Marchand
2021-01-15  9:20     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 12/40] net/virtio: remove bus type enum Maxime Coquelin
2020-12-30  3:08   ` Xia, Chenbo
2021-01-06  9:33   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 13/40] net/virtio: move PCI-specific fields to PCI device Maxime Coquelin
2020-12-30  3:08   ` Xia, Chenbo
2021-01-06  9:58   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 14/40] net/virtio: pack virtio HW struct Maxime Coquelin
2020-12-30  3:09   ` Xia, Chenbo
2021-01-06  9:58   ` David Marchand
2021-01-15  9:35     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 15/40] net/virtio: move legacy IO to Virtio PCI Maxime Coquelin
2020-12-30  3:09   ` Xia, Chenbo
2021-01-06 10:09   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 16/40] net/virtio: introduce generic virtio header Maxime Coquelin
2020-12-30  3:09   ` Xia, Chenbo
2021-01-06 10:08   ` David Marchand
2021-01-15  9:39     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 17/40] net/virtio: move features definition to generic header Maxime Coquelin
2020-12-30  3:14   ` Xia, Chenbo
2021-01-14  8:40     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 18/40] net/virtio: move virtqueue defines in " Maxime Coquelin
2020-12-30  3:14   ` Xia, Chenbo
2021-01-06 15:53   ` David Marchand
2021-01-15 10:55     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 19/40] net/virtio: move config definitions to " Maxime Coquelin
2020-12-30  3:15   ` Xia, Chenbo
2021-01-06 16:01   ` David Marchand
2021-01-15 11:01     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 20/40] net/virtio: make interrupt handling more generic Maxime Coquelin
2020-12-30  3:17   ` Xia, Chenbo
2021-01-14  8:43     ` Maxime Coquelin
2021-01-06 16:07   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 21/40] net/virtio: move vring alignment to generic header Maxime Coquelin
2020-12-30  3:18   ` Xia, Chenbo [this message]
2021-01-06 16:13   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 22/40] net/virtio: remove last PCI refs in non-PCI code Maxime Coquelin
2020-12-30  3:25   ` Xia, Chenbo
2021-01-14  8:46     ` Maxime Coquelin
2021-01-06 16:18   ` David Marchand
2021-01-15 11:10     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 23/40] net/virtio: make Vhost-user req sender consistent Maxime Coquelin
2021-01-06 11:50   ` Xia, Chenbo
2021-01-15  9:47     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 24/40] net/virtio: add Virtio-user ops to set owner Maxime Coquelin
2021-01-06 11:50   ` Xia, Chenbo
2020-12-20 21:13 ` [dpdk-dev] [PATCH 25/40] net/virtio: add Virtio-user features ops Maxime Coquelin
2021-01-06 11:54   ` Xia, Chenbo
2021-01-13 13:43     ` Adrian Moreno
2021-01-13 13:54       ` Maxime Coquelin
2021-01-15 14:19       ` Maxime Coquelin
2021-01-13 13:57   ` Adrian Moreno
2021-01-15 14:29     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 26/40] net/virtio: add Virtio-user protocol " Maxime Coquelin
2021-01-06 11:55   ` Xia, Chenbo
2020-12-20 21:13 ` [dpdk-dev] [PATCH 27/40] net/virtio: add Virtio-user memory tables ops Maxime Coquelin
2021-01-06 11:57   ` Xia, Chenbo
2021-01-15  9:57     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 28/40] net/virtio: add Virtio-user vring setting ops Maxime Coquelin
2021-01-05 21:24   ` David Marchand
2021-01-06 12:01   ` Xia, Chenbo
2021-01-15 10:12     ` Maxime Coquelin
2021-01-06 12:03   ` Xia, Chenbo
2021-01-15 10:15     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 29/40] net/virtio: add Virtio-user vring file ops Maxime Coquelin
2021-01-05 21:24   ` David Marchand
2021-01-06 12:04   ` Xia, Chenbo
2021-01-15 10:17     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 30/40] net/virtio: add Virtio-user vring address ops Maxime Coquelin
2021-01-06 12:06   ` Xia, Chenbo
2021-01-15 10:19     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 31/40] net/virtio: add Virtio-user status ops Maxime Coquelin
2021-01-06 12:09   ` Xia, Chenbo
2021-01-15 10:48     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 32/40] net/virtio: remove useless request ops Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 33/40] net/virtio: improve Virtio-user errors handling Maxime Coquelin
2021-01-07  2:26   ` Xia, Chenbo
2021-01-15 11:09     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 34/40] net/virtio: move Vhost-user reqs to Vhost-user backend Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 35/40] net/virtio: make server mode blocking Maxime Coquelin
2021-01-07  3:20   ` Xia, Chenbo
2021-01-15 11:13     ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 36/40] net/virtio: move protocol features to Vhost-user Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 37/40] net/virtio: introduce backend data Maxime Coquelin
2021-01-05 21:26   ` David Marchand
2021-01-13 17:18   ` Adrian Moreno
2021-01-15 16:49     ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 38/40] net/virtio: move Vhost-user specifics to its backend Maxime Coquelin
2021-01-07  6:32   ` Xia, Chenbo
2021-01-15 12:03     ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 39/40] net/virtio: move Vhost-kernel data " Maxime Coquelin
2021-01-07  6:42   ` Xia, Chenbo
2021-01-11  8:02   ` Xia, Chenbo
2021-01-15 11:54     ` Maxime Coquelin
2021-01-18 20:36     ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 40/40] net/virtio: move Vhost-vDPA " Maxime Coquelin
2020-12-22 15:20   ` Maxime Coquelin
2021-01-07  6:50   ` Xia, Chenbo
2021-01-15 12:08     ` Maxime Coquelin
2021-01-11  8:05   ` Xia, Chenbo
2020-12-21 10:58 ` [dpdk-dev] [PATCH 00/40] net/virtio: Virtio PMD rework Maxime Coquelin

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=MN2PR11MB4063C873DD83A5DD753142619CD70@MN2PR11MB4063.namprd11.prod.outlook.com \
    --to=chenbo.xia@intel.com \
    --cc=amorenoz@redhat.com \
    --cc=david.marchand@redhat.com \
    --cc=dev@dpdk.org \
    --cc=maxime.coquelin@redhat.com \
    --cc=olivier.matz@6wind.com \
    /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

DPDK patches and discussions

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git