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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, chenbo.xia@intel.com, olivier.matz@6wind.com,
	amorenoz@redhat.com, david.marchand@redhat.com
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: [dpdk-dev] [PATCH v2 23/44] net/virtio: move vring alignment to generic header
Date: Tue, 19 Jan 2021 22:24:46 +0100
Message-ID: <20210119212507.1043636-24-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20210119212507.1043636-1-maxime.coquelin@redhat.com>

This patch moves vring alignment define to the generic
Virtio header.

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
Reviewed-by: David Marchand <david.marchand@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 b2b96d9520..5e0b26ff19 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 is just a shadow structure.
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index e8e7fda099..9215d4ab52 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 9fe7fc2019..cbcd19bd47 100644
--- a/drivers/net/virtio/virtio_pci.c
+++ b/drivers/net/virtio/virtio_pci.c
@@ -492,7 +492,7 @@ 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 68f36dc0dd..6cdf2c55dd 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 c3dc3908d6..91794b8645 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


  parent reply	other threads:[~2021-01-19 21:29 UTC|newest]

Thread overview: 86+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-19 21:24 [dpdk-dev] [PATCH v2 00/44] net/virtio: Virtio PMD rework Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 01/44] bus/vdev: add helper to get vdev from eth dev Maxime Coquelin
2021-01-20  0:56   ` Thomas Monjalon
2021-01-25 10:53     ` Maxime Coquelin
2021-01-25 11:04       ` Thomas Monjalon
2021-01-21  8:58   ` Xia, Chenbo
2021-01-25 14:51     ` Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 02/44] bus/vdev: add driver IOVA VA mode requirement Maxime Coquelin
2021-01-20 15:32   ` David Marchand
2021-01-20 17:47     ` Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 03/44] net/virtio: fix getting old status on reconnect Maxime Coquelin
2021-01-21  7:12   ` Xia, Chenbo
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 04/44] net/virtio: introduce Virtio bus type Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 05/44] net/virtio: refactor virtio-user device Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 06/44] net/virtio: introduce PCI device metadata Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 07/44] net/virtio: move PCI device init in dedicated file Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 08/44] net/virtio: move PCI specific dev init to PCI ethdev init Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 09/44] net/virtio: move MSIX detection to PCI ethdev Maxime Coquelin
2021-01-21  7:12   ` Xia, Chenbo
2021-01-25 12:41     ` Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 10/44] net/virtio: force IOVA as VA mode for Virtio-user Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 11/44] net/virtio: store PCI type in Virtio device metadata Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 12/44] net/virtio: add callback for device closing Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 13/44] net/virtio: validate features at bus level Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 14/44] net/virtio: remove bus type enum Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 15/44] net/virtio: move PCI-specific fields to PCI device Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 16/44] net/virtio: pack virtio HW struct Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 17/44] net/virtio: move legacy IO to Virtio PCI Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 18/44] net/virtio: introduce generic virtio header Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 19/44] net/virtio: move features definition to generic header Maxime Coquelin
2021-01-21  6:47   ` Xia, Chenbo
2021-01-25 12:35     ` Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 20/44] net/virtio: move virtqueue defines in " Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 21/44] net/virtio: move config definitions to " Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 22/44] net/virtio: make interrupt handling more generic Maxime Coquelin
2021-01-19 21:24 ` Maxime Coquelin [this message]
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 24/44] net/virtio: remove last PCI refs in non-PCI code Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 25/44] net/virtio: make Vhost-user req sender consistent Maxime Coquelin
2021-01-21  8:50   ` Xia, Chenbo
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 26/44] net/virtio: add Virtio-user ops to set owner Maxime Coquelin
2021-01-22  3:27   ` Xia, Chenbo
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 27/44] net/virtio: add Virtio-user features ops Maxime Coquelin
2021-01-22  7:25   ` Xia, Chenbo
2021-01-25 14:53     ` Maxime Coquelin
2021-01-22  8:46   ` Xia, Chenbo
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 28/44] net/virtio: add Virtio-user protocol " Maxime Coquelin
2021-01-22  7:27   ` Xia, Chenbo
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 29/44] net/virtio: add Virtio-user memory tables ops Maxime Coquelin
2021-01-22  7:34   ` Xia, Chenbo
2021-01-25 14:56     ` Maxime Coquelin
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 30/44] net/virtio: add Virtio-user vring setting ops Maxime Coquelin
2021-01-22  7:49   ` Xia, Chenbo
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 31/44] net/virtio: add Virtio-user vring file ops Maxime Coquelin
2021-01-22  8:01   ` Xia, Chenbo
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 32/44] net/virtio: add Virtio-user vring address ops Maxime Coquelin
2021-01-22  8:02   ` Xia, Chenbo
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 33/44] net/virtio: add Virtio-user status ops Maxime Coquelin
2021-01-22  8:02   ` Xia, Chenbo
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 34/44] net/virtio: remove useless request ops Maxime Coquelin
2021-01-22  8:10   ` Xia, Chenbo
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 35/44] net/virtio: improve Virtio-user errors handling Maxime Coquelin
2021-01-22  8:10   ` Xia, Chenbo
2021-01-19 21:24 ` [dpdk-dev] [PATCH v2 36/44] net/virtio: move Vhost-user reqs to Vhost-user backend Maxime Coquelin
2021-01-21  8:56   ` Xia, Chenbo
2021-01-25 14:50     ` Maxime Coquelin
2021-01-19 21:25 ` [dpdk-dev] [PATCH v2 37/44] net/virtio: make server mode blocking Maxime Coquelin
2021-01-22  8:19   ` Xia, Chenbo
2021-01-19 21:25 ` [dpdk-dev] [PATCH v2 38/44] net/virtio: move protocol features to Vhost-user Maxime Coquelin
2021-01-22  8:20   ` Xia, Chenbo
2021-01-19 21:25 ` [dpdk-dev] [PATCH v2 39/44] net/virtio: introduce backend data Maxime Coquelin
2021-01-22  8:26   ` Xia, Chenbo
2021-01-19 21:25 ` [dpdk-dev] [PATCH v2 40/44] net/virtio: move Vhost-user specifics to its backend Maxime Coquelin
2021-01-22  8:49   ` Xia, Chenbo
2021-01-19 21:25 ` [dpdk-dev] [PATCH v2 41/44] net/virtio: move Vhost-kernel data " Maxime Coquelin
2021-01-22  8:55   ` Xia, Chenbo
2021-01-25 14:59     ` Maxime Coquelin
2021-01-19 21:25 ` [dpdk-dev] [PATCH v2 42/44] net/virtio: move Vhost-vDPA " Maxime Coquelin
2021-01-22  9:06   ` Xia, Chenbo
2021-01-25 15:02     ` Maxime Coquelin
2021-01-19 21:25 ` [dpdk-dev] [PATCH v2 43/44] net/virtio: improve Vhost-user error logging Maxime Coquelin
2021-01-22  9:11   ` Xia, Chenbo
2021-01-25 15:04     ` Maxime Coquelin
2021-01-26  6:10       ` Xia, Chenbo
2021-01-19 21:25 ` [dpdk-dev] [PATCH v2 44/44] net/virtio: handle Virtio-user setup failure properly Maxime Coquelin
2021-01-22  9:24   ` Xia, Chenbo
2021-01-25 16:16     ` Maxime Coquelin

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