diff options
| author | Zhu Lingshan <lingshan.zhu@intel.com> | 2023-06-12 23:14:18 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-07-03 12:15:12 -0400 |
| commit | 7712832201eadb871c15ed96be1ec60d1e3ecacf (patch) | |
| tree | 224caaba9aed3eb39f6bdb1b1ed26379b57b137a /drivers/vdpa | |
| parent | bc9a2b3e686e32ebd764d92e66e21c01e23ffb16 (diff) | |
| download | linux-7712832201eadb871c15ed96be1ec60d1e3ecacf.tar.gz | |
vDPA/ifcvf: dynamic allocate vq data stores
This commit dynamically allocates the data
stores for the virtqueues based on
virtio_pci_common_cfg.num_queues.
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Message-Id: <20230612151420.1019504-2-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa')
| -rw-r--r-- | drivers/vdpa/ifcvf/ifcvf_base.c | 3 | ||||
| -rw-r--r-- | drivers/vdpa/ifcvf/ifcvf_base.h | 2 | ||||
| -rw-r--r-- | drivers/vdpa/ifcvf/ifcvf_main.c | 2 |
3 files changed, 6 insertions, 1 deletions
diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c index 1b5da11f5403e8..f86495ace82524 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.c +++ b/drivers/vdpa/ifcvf/ifcvf_base.c @@ -134,6 +134,9 @@ next: } hw->nr_vring = vp_ioread16(&hw->common_cfg->num_queues); + hw->vring = kzalloc(sizeof(struct vring_info) * hw->nr_vring, GFP_KERNEL); + if (!hw->vring) + return -ENOMEM; for (i = 0; i < hw->nr_vring; i++) { vp_iowrite16(i, &hw->common_cfg->queue_select); diff --git a/drivers/vdpa/ifcvf/ifcvf_base.h b/drivers/vdpa/ifcvf/ifcvf_base.h index 3110ffc50caf69..fa797184056b58 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.h +++ b/drivers/vdpa/ifcvf/ifcvf_base.h @@ -74,7 +74,7 @@ struct ifcvf_hw { u64 dev_features; struct virtio_pci_common_cfg __iomem *common_cfg; void __iomem *dev_cfg; - struct vring_info vring[IFCVF_MAX_QUEUES]; + struct vring_info *vring; void __iomem * const *base; char config_msix_name[256]; struct vdpa_callback config_cb; diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index 6e47ac2c669a2e..2af0de771b49b3 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -830,6 +830,7 @@ static int ifcvf_probe(struct pci_dev *pdev, const struct pci_device_id *id) return 0; err: + kfree(ifcvf_mgmt_dev->vf.vring); kfree(ifcvf_mgmt_dev); return ret; } @@ -840,6 +841,7 @@ static void ifcvf_remove(struct pci_dev *pdev) ifcvf_mgmt_dev = pci_get_drvdata(pdev); vdpa_mgmtdev_unregister(&ifcvf_mgmt_dev->mdev); + kfree(ifcvf_mgmt_dev->vf.vring); kfree(ifcvf_mgmt_dev); } |