From: Maxime Coquelin <maxime.coquelin@redhat.com> To: xieyongji@bytedance.com, jasowang@redhat.com, mst@redhat.com, david.marchand@redhat.com, lulu@redhat.com Cc: xuanzhuo@linux.alibaba.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, eperezma@redhat.com, Maxime Coquelin <maxime.coquelin@redhat.com> Subject: [PATCH v1 1/2] vduse: validate block features only with block devices Date: Tue, 27 Jun 2023 13:36:51 +0200 [thread overview] Message-ID: <20230627113652.65283-2-maxime.coquelin@redhat.com> (raw) In-Reply-To: <20230627113652.65283-1-maxime.coquelin@redhat.com> This patch is preliminary work to enable network device type support to VDUSE. As VIRTIO_BLK_F_CONFIG_WCE shares the same value as VIRTIO_NET_F_HOST_TSO4, we need to restrict its check to Virtio-blk device type. Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com> --- drivers/vdpa/vdpa_user/vduse_dev.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index 5f5c21674fdc..c1c2f4c711ae 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -1658,13 +1658,14 @@ static bool device_is_allowed(u32 device_id) return false; } -static bool features_is_valid(u64 features) +static bool features_is_valid(struct vduse_dev_config *config) { - if (!(features & (1ULL << VIRTIO_F_ACCESS_PLATFORM))) + if (!(config->features & (1ULL << VIRTIO_F_ACCESS_PLATFORM))) return false; /* Now we only support read-only configuration space */ - if (features & (1ULL << VIRTIO_BLK_F_CONFIG_WCE)) + if ((config->device_id == VIRTIO_ID_BLOCK) && + (config->features & (1ULL << VIRTIO_BLK_F_CONFIG_WCE))) return false; return true; @@ -1691,7 +1692,7 @@ static bool vduse_validate_config(struct vduse_dev_config *config) if (!device_is_allowed(config->device_id)) return false; - if (!features_is_valid(config->features)) + if (!features_is_valid(config)) return false; return true; -- 2.41.0 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
WARNING: multiple messages have this Message-ID (diff)
From: Maxime Coquelin <maxime.coquelin@redhat.com> To: xieyongji@bytedance.com, jasowang@redhat.com, mst@redhat.com, david.marchand@redhat.com, lulu@redhat.com Cc: linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, xuanzhuo@linux.alibaba.com, eperezma@redhat.com, Maxime Coquelin <maxime.coquelin@redhat.com> Subject: [PATCH v1 1/2] vduse: validate block features only with block devices Date: Tue, 27 Jun 2023 13:36:51 +0200 [thread overview] Message-ID: <20230627113652.65283-2-maxime.coquelin@redhat.com> (raw) In-Reply-To: <20230627113652.65283-1-maxime.coquelin@redhat.com> This patch is preliminary work to enable network device type support to VDUSE. As VIRTIO_BLK_F_CONFIG_WCE shares the same value as VIRTIO_NET_F_HOST_TSO4, we need to restrict its check to Virtio-blk device type. Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com> --- drivers/vdpa/vdpa_user/vduse_dev.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index 5f5c21674fdc..c1c2f4c711ae 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -1658,13 +1658,14 @@ static bool device_is_allowed(u32 device_id) return false; } -static bool features_is_valid(u64 features) +static bool features_is_valid(struct vduse_dev_config *config) { - if (!(features & (1ULL << VIRTIO_F_ACCESS_PLATFORM))) + if (!(config->features & (1ULL << VIRTIO_F_ACCESS_PLATFORM))) return false; /* Now we only support read-only configuration space */ - if (features & (1ULL << VIRTIO_BLK_F_CONFIG_WCE)) + if ((config->device_id == VIRTIO_ID_BLOCK) && + (config->features & (1ULL << VIRTIO_BLK_F_CONFIG_WCE))) return false; return true; @@ -1691,7 +1692,7 @@ static bool vduse_validate_config(struct vduse_dev_config *config) if (!device_is_allowed(config->device_id)) return false; - if (!features_is_valid(config->features)) + if (!features_is_valid(config)) return false; return true; -- 2.41.0
next prev parent reply other threads:[~2023-06-27 11:37 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-06-27 11:36 [PATCH v1 0/2] vduse: add support for networking devices Maxime Coquelin 2023-06-27 11:36 ` Maxime Coquelin 2023-06-27 11:36 ` Maxime Coquelin [this message] 2023-06-27 11:36 ` [PATCH v1 1/2] vduse: validate block features only with block devices Maxime Coquelin 2023-06-28 2:34 ` Jason Wang 2023-06-28 2:34 ` Jason Wang 2023-07-02 7:49 ` Yongji Xie 2023-06-27 11:36 ` [PATCH v1 2/2] vduse: enable Virtio-net device type Maxime Coquelin 2023-06-27 11:36 ` Maxime Coquelin 2023-06-28 2:34 ` Jason Wang 2023-06-28 2:34 ` Jason Wang 2023-07-02 7:50 ` Yongji Xie 2023-07-02 13:37 ` [PATCH v1 0/2] vduse: add support for networking devices Michael S. Tsirkin 2023-07-02 13:37 ` Michael S. Tsirkin 2023-07-03 6:44 ` Jason Wang 2023-07-03 6:44 ` Jason Wang 2023-07-03 7:43 ` Maxime Coquelin 2023-07-03 7:43 ` Maxime Coquelin 2023-07-03 7:44 ` Jason Wang 2023-07-03 7:44 ` Jason Wang 2023-07-03 21:45 ` Michael S. Tsirkin 2023-07-03 21:45 ` Michael S. Tsirkin 2023-07-04 8:43 ` Maxime Coquelin 2023-07-04 8:43 ` Maxime Coquelin 2023-07-04 9:59 ` Michael S. Tsirkin 2023-07-04 9:59 ` Michael S. Tsirkin 2023-07-04 13:17 ` Maxime Coquelin 2023-07-04 13:17 ` Maxime Coquelin 2023-08-10 19:02 ` Michael S. Tsirkin 2023-08-10 19:02 ` Michael S. Tsirkin
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