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 [thread overview]
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>
next prev parent 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
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