From: Si-Wei Liu <si-wei.liu@oracle.com> To: mst@redhat.com, jasowang@redhat.com, parav@nvidia.com Cc: linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: [PATCH v3 2/4] vdpa: pass initial config to _vdpa_register_device() Date: Fri, 21 Oct 2022 15:43:55 -0700 [thread overview] Message-ID: <1666392237-4042-3-git-send-email-si-wei.liu@oracle.com> (raw) In-Reply-To: <1666392237-4042-1-git-send-email-si-wei.liu@oracle.com> Just as _vdpa_register_device taking @nvqs as the number of queues to feed userspace inquery via vdpa_dev_fill(), we can follow the same to stash config attributes in struct vdpa_device at the time of vdpa registration. Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com> --- drivers/vdpa/ifcvf/ifcvf_main.c | 2 +- drivers/vdpa/mlx5/net/mlx5_vnet.c | 2 +- drivers/vdpa/vdpa.c | 15 +++++++++++---- drivers/vdpa/vdpa_sim/vdpa_sim_blk.c | 2 +- drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 2 +- drivers/vdpa/vdpa_user/vduse_dev.c | 2 +- drivers/vdpa/virtio_pci/vp_vdpa.c | 3 ++- include/linux/vdpa.h | 3 ++- 8 files changed, 20 insertions(+), 11 deletions(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index f9c0044..c54ab2c 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -771,7 +771,7 @@ static int ifcvf_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, else ret = dev_set_name(&vdpa_dev->dev, "vdpa%u", vdpa_dev->index); - ret = _vdpa_register_device(&adapter->vdpa, vf->nr_vring); + ret = _vdpa_register_device(&adapter->vdpa, vf->nr_vring, config); if (ret) { put_device(&adapter->vdpa.dev); IFCVF_ERR(pdev, "Failed to register to vDPA bus"); diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 9091336..376082e 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -3206,7 +3206,7 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name, mlx5_notifier_register(mdev, &ndev->nb); ndev->nb_registered = true; mvdev->vdev.mdev = &mgtdev->mgtdev; - err = _vdpa_register_device(&mvdev->vdev, max_vqs + 1); + err = _vdpa_register_device(&mvdev->vdev, max_vqs + 1, add_config); if (err) goto err_reg; diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c index febdc99..bebded6 100644 --- a/drivers/vdpa/vdpa.c +++ b/drivers/vdpa/vdpa.c @@ -215,11 +215,16 @@ static int vdpa_name_match(struct device *dev, const void *data) return (strcmp(dev_name(&vdev->dev), data) == 0); } -static int __vdpa_register_device(struct vdpa_device *vdev, u32 nvqs) +static int __vdpa_register_device(struct vdpa_device *vdev, u32 nvqs, + const struct vdpa_dev_set_config *cfg) { struct device *dev; vdev->nvqs = nvqs; + if (cfg) + vdev->init_cfg = *cfg; + else + vdev->init_cfg.mask = 0ULL; lockdep_assert_held(&vdpa_dev_lock); dev = bus_find_device(&vdpa_bus, NULL, dev_name(&vdev->dev), vdpa_name_match); @@ -237,15 +242,17 @@ static int __vdpa_register_device(struct vdpa_device *vdev, u32 nvqs) * callback after setting up valid mgmtdev for this vdpa device. * @vdev: the vdpa device to be registered to vDPA bus * @nvqs: number of virtqueues supported by this device + * @cfg: initial config on vdpa device creation * * Return: Returns an error when fail to add device to vDPA bus */ -int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs) +int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs, + const struct vdpa_dev_set_config *cfg) { if (!vdev->mdev) return -EINVAL; - return __vdpa_register_device(vdev, nvqs); + return __vdpa_register_device(vdev, nvqs, cfg); } EXPORT_SYMBOL_GPL(_vdpa_register_device); @@ -262,7 +269,7 @@ int vdpa_register_device(struct vdpa_device *vdev, u32 nvqs) int err; down_write(&vdpa_dev_lock); - err = __vdpa_register_device(vdev, nvqs); + err = __vdpa_register_device(vdev, nvqs, NULL); up_write(&vdpa_dev_lock); return err; } diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c index c6db1a1..5e1cebc 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c @@ -387,7 +387,7 @@ static int vdpasim_blk_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, if (IS_ERR(simdev)) return PTR_ERR(simdev); - ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_BLK_VQ_NUM); + ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_BLK_VQ_NUM, config); if (ret) goto put_dev; diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c index c3cb225..06ef5a0 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c @@ -260,7 +260,7 @@ static int vdpasim_net_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, vdpasim_net_setup_config(simdev, config); - ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_NET_VQ_NUM); + ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_NET_VQ_NUM, config); if (ret) goto reg_err; diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index 35dceee..6530fd2 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -1713,7 +1713,7 @@ static int vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, if (ret) return ret; - ret = _vdpa_register_device(&dev->vdev->vdpa, dev->vq_num); + ret = _vdpa_register_device(&dev->vdev->vdpa, dev->vq_num, config); if (ret) { put_device(&dev->vdev->vdpa.dev); return ret; diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c index d448db0..ffdc90e 100644 --- a/drivers/vdpa/virtio_pci/vp_vdpa.c +++ b/drivers/vdpa/virtio_pci/vp_vdpa.c @@ -538,7 +538,8 @@ static int vp_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name, vp_vdpa->config_irq = VIRTIO_MSI_NO_VECTOR; vp_vdpa->vdpa.mdev = &vp_vdpa_mgtdev->mgtdev; - ret = _vdpa_register_device(&vp_vdpa->vdpa, vp_vdpa->queues); + ret = _vdpa_register_device(&vp_vdpa->vdpa, vp_vdpa->queues, + add_config); if (ret) { dev_err(&pdev->dev, "Failed to register to vdpa bus\n"); goto err; diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index 9f519a3..e68ab65 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -381,7 +381,8 @@ struct vdpa_device *__vdpa_alloc_device(struct device *parent, int vdpa_register_device(struct vdpa_device *vdev, u32 nvqs); void vdpa_unregister_device(struct vdpa_device *vdev); -int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs); +int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs, + const struct vdpa_dev_set_config *cfg); void _vdpa_unregister_device(struct vdpa_device *vdev); /** -- 1.8.3.1 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
WARNING: multiple messages have this Message-ID (diff)
From: Si-Wei Liu <si-wei.liu@oracle.com> To: mst@redhat.com, jasowang@redhat.com, parav@nvidia.com Cc: virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 2/4] vdpa: pass initial config to _vdpa_register_device() Date: Fri, 21 Oct 2022 15:43:55 -0700 [thread overview] Message-ID: <1666392237-4042-3-git-send-email-si-wei.liu@oracle.com> (raw) In-Reply-To: <1666392237-4042-1-git-send-email-si-wei.liu@oracle.com> Just as _vdpa_register_device taking @nvqs as the number of queues to feed userspace inquery via vdpa_dev_fill(), we can follow the same to stash config attributes in struct vdpa_device at the time of vdpa registration. Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com> --- drivers/vdpa/ifcvf/ifcvf_main.c | 2 +- drivers/vdpa/mlx5/net/mlx5_vnet.c | 2 +- drivers/vdpa/vdpa.c | 15 +++++++++++---- drivers/vdpa/vdpa_sim/vdpa_sim_blk.c | 2 +- drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 2 +- drivers/vdpa/vdpa_user/vduse_dev.c | 2 +- drivers/vdpa/virtio_pci/vp_vdpa.c | 3 ++- include/linux/vdpa.h | 3 ++- 8 files changed, 20 insertions(+), 11 deletions(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index f9c0044..c54ab2c 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -771,7 +771,7 @@ static int ifcvf_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, else ret = dev_set_name(&vdpa_dev->dev, "vdpa%u", vdpa_dev->index); - ret = _vdpa_register_device(&adapter->vdpa, vf->nr_vring); + ret = _vdpa_register_device(&adapter->vdpa, vf->nr_vring, config); if (ret) { put_device(&adapter->vdpa.dev); IFCVF_ERR(pdev, "Failed to register to vDPA bus"); diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 9091336..376082e 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -3206,7 +3206,7 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name, mlx5_notifier_register(mdev, &ndev->nb); ndev->nb_registered = true; mvdev->vdev.mdev = &mgtdev->mgtdev; - err = _vdpa_register_device(&mvdev->vdev, max_vqs + 1); + err = _vdpa_register_device(&mvdev->vdev, max_vqs + 1, add_config); if (err) goto err_reg; diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c index febdc99..bebded6 100644 --- a/drivers/vdpa/vdpa.c +++ b/drivers/vdpa/vdpa.c @@ -215,11 +215,16 @@ static int vdpa_name_match(struct device *dev, const void *data) return (strcmp(dev_name(&vdev->dev), data) == 0); } -static int __vdpa_register_device(struct vdpa_device *vdev, u32 nvqs) +static int __vdpa_register_device(struct vdpa_device *vdev, u32 nvqs, + const struct vdpa_dev_set_config *cfg) { struct device *dev; vdev->nvqs = nvqs; + if (cfg) + vdev->init_cfg = *cfg; + else + vdev->init_cfg.mask = 0ULL; lockdep_assert_held(&vdpa_dev_lock); dev = bus_find_device(&vdpa_bus, NULL, dev_name(&vdev->dev), vdpa_name_match); @@ -237,15 +242,17 @@ static int __vdpa_register_device(struct vdpa_device *vdev, u32 nvqs) * callback after setting up valid mgmtdev for this vdpa device. * @vdev: the vdpa device to be registered to vDPA bus * @nvqs: number of virtqueues supported by this device + * @cfg: initial config on vdpa device creation * * Return: Returns an error when fail to add device to vDPA bus */ -int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs) +int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs, + const struct vdpa_dev_set_config *cfg) { if (!vdev->mdev) return -EINVAL; - return __vdpa_register_device(vdev, nvqs); + return __vdpa_register_device(vdev, nvqs, cfg); } EXPORT_SYMBOL_GPL(_vdpa_register_device); @@ -262,7 +269,7 @@ int vdpa_register_device(struct vdpa_device *vdev, u32 nvqs) int err; down_write(&vdpa_dev_lock); - err = __vdpa_register_device(vdev, nvqs); + err = __vdpa_register_device(vdev, nvqs, NULL); up_write(&vdpa_dev_lock); return err; } diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c index c6db1a1..5e1cebc 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_blk.c @@ -387,7 +387,7 @@ static int vdpasim_blk_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, if (IS_ERR(simdev)) return PTR_ERR(simdev); - ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_BLK_VQ_NUM); + ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_BLK_VQ_NUM, config); if (ret) goto put_dev; diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c index c3cb225..06ef5a0 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c @@ -260,7 +260,7 @@ static int vdpasim_net_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, vdpasim_net_setup_config(simdev, config); - ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_NET_VQ_NUM); + ret = _vdpa_register_device(&simdev->vdpa, VDPASIM_NET_VQ_NUM, config); if (ret) goto reg_err; diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index 35dceee..6530fd2 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -1713,7 +1713,7 @@ static int vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, if (ret) return ret; - ret = _vdpa_register_device(&dev->vdev->vdpa, dev->vq_num); + ret = _vdpa_register_device(&dev->vdev->vdpa, dev->vq_num, config); if (ret) { put_device(&dev->vdev->vdpa.dev); return ret; diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c index d448db0..ffdc90e 100644 --- a/drivers/vdpa/virtio_pci/vp_vdpa.c +++ b/drivers/vdpa/virtio_pci/vp_vdpa.c @@ -538,7 +538,8 @@ static int vp_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name, vp_vdpa->config_irq = VIRTIO_MSI_NO_VECTOR; vp_vdpa->vdpa.mdev = &vp_vdpa_mgtdev->mgtdev; - ret = _vdpa_register_device(&vp_vdpa->vdpa, vp_vdpa->queues); + ret = _vdpa_register_device(&vp_vdpa->vdpa, vp_vdpa->queues, + add_config); if (ret) { dev_err(&pdev->dev, "Failed to register to vdpa bus\n"); goto err; diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index 9f519a3..e68ab65 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -381,7 +381,8 @@ struct vdpa_device *__vdpa_alloc_device(struct device *parent, int vdpa_register_device(struct vdpa_device *vdev, u32 nvqs); void vdpa_unregister_device(struct vdpa_device *vdev); -int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs); +int _vdpa_register_device(struct vdpa_device *vdev, u32 nvqs, + const struct vdpa_dev_set_config *cfg); void _vdpa_unregister_device(struct vdpa_device *vdev); /** -- 1.8.3.1
next prev parent reply other threads:[~2022-10-21 23:49 UTC|newest] Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-10-21 22:43 [PATCH v3 0/4] vDPA: initial config export via "vdpa dev show" Si-Wei Liu 2022-10-21 22:43 ` Si-Wei Liu 2022-10-21 22:43 ` [PATCH v3 1/4] vdpa: save vdpa_dev_set_config in struct vdpa_device Si-Wei Liu 2022-10-21 22:43 ` Si-Wei Liu 2022-10-24 8:43 ` Jason Wang 2022-10-24 8:43 ` Jason Wang 2022-10-21 22:43 ` Si-Wei Liu [this message] 2022-10-21 22:43 ` [PATCH v3 2/4] vdpa: pass initial config to _vdpa_register_device() Si-Wei Liu 2022-10-21 22:43 ` [PATCH v3 3/4] vdpa: show dev config as-is in "vdpa dev show" output Si-Wei Liu 2022-10-21 22:43 ` Si-Wei Liu 2022-10-24 8:40 ` Jason Wang 2022-10-24 8:40 ` Jason Wang 2022-10-24 19:14 ` Si-Wei Liu 2022-10-24 19:14 ` Si-Wei Liu 2022-10-25 2:24 ` Jason Wang 2022-10-25 2:24 ` Jason Wang 2022-10-26 1:10 ` Si-Wei Liu 2022-10-26 4:44 ` Jason Wang 2022-10-26 4:44 ` Jason Wang 2022-10-27 6:31 ` Si-Wei Liu 2022-10-27 6:31 ` Si-Wei Liu 2022-10-27 8:47 ` Jason Wang 2022-10-27 8:47 ` Jason Wang 2022-10-28 23:23 ` Si-Wei Liu 2022-10-28 23:23 ` Si-Wei Liu 2022-10-30 13:36 ` Eli Cohen 2022-12-19 6:31 ` Michael S. Tsirkin 2022-12-19 6:31 ` Michael S. Tsirkin 2022-12-21 0:14 ` Si-Wei Liu 2022-12-21 0:14 ` Si-Wei Liu 2022-12-20 7:58 ` Jason Wang 2022-12-20 7:58 ` Jason Wang 2022-10-21 22:43 ` [PATCH v3 4/4] vdpa: fix improper error message when adding vdpa dev Si-Wei Liu 2022-10-21 22:43 ` Si-Wei Liu 2022-10-24 8:43 ` Jason Wang 2022-10-24 8:43 ` Jason Wang 2023-01-27 8:16 ` [PATCH v3 0/4] vDPA: initial config export via "vdpa dev show" Michael S. Tsirkin 2023-01-27 8:16 ` Michael S. Tsirkin 2023-01-30 21:05 ` Si-Wei Liu 2023-01-30 21:05 ` Si-Wei Liu 2023-01-30 21:59 ` Si-Wei Liu 2023-01-30 21:59 ` Si-Wei Liu
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