From: Stefano Garzarella <sgarzare@redhat.com> To: virtualization@lists.linux-foundation.org Cc: Stefan Hajnoczi <stefanha@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Oren Duer <oren@nvidia.com>, Jason Wang <jasowang@redhat.com>, Laurent Vivier <lvivier@redhat.com>, Stefano Garzarella <sgarzare@redhat.com>, linux-kernel@vger.kernel.org, Max Gurtovoy <mgurtovoy@nvidia.com>, Shahaf Shuler <shahafs@nvidia.com>, Eli Cohen <elic@nvidia.com> Subject: [PATCH v3 17/19] vdpa_sim: make vdpasim->buffer size configurable Date: Thu, 3 Dec 2020 18:05:09 +0100 [thread overview] Message-ID: <20201203170511.216407-18-sgarzare@redhat.com> (raw) In-Reply-To: <20201203170511.216407-1-sgarzare@redhat.com> Allow each device to specify the size of the buffer allocated in vdpa_sim. Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> --- drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index fb714d88e77f..38b6b5e7348c 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -65,6 +65,7 @@ struct vdpasim; struct vdpasim_dev_attr { u64 supported_features; size_t config_size; + size_t buffer_size; int nvqs; u32 id; @@ -410,7 +411,7 @@ static struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr) if (!vdpasim->iommu) goto err_iommu; - vdpasim->buffer = kvmalloc(PAGE_SIZE, GFP_KERNEL); + vdpasim->buffer = kvmalloc(dev_attr->buffer_size, GFP_KERNEL); if (!vdpasim->buffer) goto err_iommu; @@ -779,6 +780,7 @@ static int __init vdpasim_dev_init(void) dev_attr.config_size = sizeof(struct virtio_net_config); dev_attr.get_config = vdpasim_net_get_config; dev_attr.work_fn = vdpasim_net_work; + dev_attr.buffer_size = PAGE_SIZE; vdpasim_dev = vdpasim_create(&dev_attr); -- 2.26.2
WARNING: multiple messages have this Message-ID (diff)
From: Stefano Garzarella <sgarzare@redhat.com> To: virtualization@lists.linux-foundation.org Cc: Laurent Vivier <lvivier@redhat.com>, Max Gurtovoy <mgurtovoy@nvidia.com>, "Michael S. Tsirkin" <mst@redhat.com>, linux-kernel@vger.kernel.org, Shahaf Shuler <shahafs@nvidia.com>, Stefan Hajnoczi <stefanha@redhat.com>, Eli Cohen <elic@nvidia.com>, Oren Duer <oren@nvidia.com> Subject: [PATCH v3 17/19] vdpa_sim: make vdpasim->buffer size configurable Date: Thu, 3 Dec 2020 18:05:09 +0100 [thread overview] Message-ID: <20201203170511.216407-18-sgarzare@redhat.com> (raw) In-Reply-To: <20201203170511.216407-1-sgarzare@redhat.com> Allow each device to specify the size of the buffer allocated in vdpa_sim. Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> --- drivers/vdpa/vdpa_sim/vdpa_sim.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index fb714d88e77f..38b6b5e7348c 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -65,6 +65,7 @@ struct vdpasim; struct vdpasim_dev_attr { u64 supported_features; size_t config_size; + size_t buffer_size; int nvqs; u32 id; @@ -410,7 +411,7 @@ static struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr) if (!vdpasim->iommu) goto err_iommu; - vdpasim->buffer = kvmalloc(PAGE_SIZE, GFP_KERNEL); + vdpasim->buffer = kvmalloc(dev_attr->buffer_size, GFP_KERNEL); if (!vdpasim->buffer) goto err_iommu; @@ -779,6 +780,7 @@ static int __init vdpasim_dev_init(void) dev_attr.config_size = sizeof(struct virtio_net_config); dev_attr.get_config = vdpasim_net_get_config; dev_attr.work_fn = vdpasim_net_work; + dev_attr.buffer_size = PAGE_SIZE; vdpasim_dev = vdpasim_create(&dev_attr); -- 2.26.2 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
next prev parent reply other threads:[~2020-12-03 17:09 UTC|newest] Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-03 17:04 [PATCH v3 00/19] vdpa: generalize vdpa simulator Stefano Garzarella 2020-12-03 17:04 ` Stefano Garzarella 2020-12-03 17:04 ` [PATCH v3 01/19] vdpa: remove unnecessary 'default n' in Kconfig entries Stefano Garzarella 2020-12-03 17:04 ` Stefano Garzarella 2020-12-03 17:04 ` [PATCH v3 02/19] vdpa_sim: remove unnecessary headers inclusion Stefano Garzarella 2020-12-03 17:04 ` Stefano Garzarella 2020-12-03 17:37 ` Randy Dunlap 2020-12-03 17:37 ` Randy Dunlap 2020-12-04 7:57 ` Stefano Garzarella 2020-12-04 7:57 ` Stefano Garzarella 2020-12-03 17:04 ` [PATCH v3 03/19] vdpa_sim: remove hard-coded virtq count Stefano Garzarella 2020-12-03 17:04 ` Stefano Garzarella 2020-12-03 17:04 ` [PATCH v3 04/19] vhost/iotlb: add VHOST_IOTLB_UNLIMITED macro Stefano Garzarella 2020-12-03 17:04 ` Stefano Garzarella 2020-12-07 3:55 ` Jason Wang 2020-12-07 3:55 ` Jason Wang 2020-12-03 17:04 ` [PATCH v3 05/19] vdpa_sim: remove the limit of IOTLB entries Stefano Garzarella 2020-12-03 17:04 ` Stefano Garzarella 2020-12-07 4:00 ` Jason Wang 2020-12-07 4:00 ` Jason Wang 2020-12-09 10:58 ` Stefano Garzarella 2020-12-09 10:58 ` Stefano Garzarella 2020-12-10 4:03 ` Jason Wang 2020-12-10 4:03 ` Jason Wang 2020-12-03 17:04 ` [PATCH v3 06/19] vdpa_sim: rename vdpasim_config_ops variables Stefano Garzarella 2020-12-03 17:04 ` Stefano Garzarella 2020-12-03 17:04 ` [PATCH v3 07/19] vdpa_sim: add struct vdpasim_dev_attr for device attributes Stefano Garzarella 2020-12-03 17:04 ` Stefano Garzarella 2020-12-03 17:05 ` [PATCH v3 08/19] vdpa_sim: add device id field in vdpasim_dev_attr Stefano Garzarella 2020-12-03 17:05 ` Stefano Garzarella 2020-12-03 17:05 ` [PATCH v3 09/19] vdpa_sim: add supported_features " Stefano Garzarella 2020-12-03 17:05 ` Stefano Garzarella 2020-12-03 17:05 ` [PATCH v3 10/19] vdpa_sim: add work_fn " Stefano Garzarella 2020-12-03 17:05 ` Stefano Garzarella 2020-12-03 17:05 ` [PATCH v3 11/19] vdpa_sim: store parsed MAC address in a buffer Stefano Garzarella 2020-12-03 17:05 ` Stefano Garzarella 2020-12-03 17:05 ` [PATCH v3 12/19] vdpa_sim: make 'config' generic and usable for any device type Stefano Garzarella 2020-12-03 17:05 ` Stefano Garzarella 2020-12-07 5:22 ` Jason Wang 2020-12-07 5:22 ` Jason Wang 2020-12-03 17:05 ` [PATCH v3 13/19] vdpa_sim: add get_config callback in vdpasim_dev_attr Stefano Garzarella 2020-12-03 17:05 ` Stefano Garzarella 2020-12-07 5:29 ` Jason Wang 2020-12-07 5:29 ` Jason Wang 2020-12-09 11:07 ` Stefano Garzarella 2020-12-09 11:07 ` Stefano Garzarella 2020-12-15 11:43 ` Stefano Garzarella 2020-12-15 11:43 ` Stefano Garzarella 2020-12-03 17:05 ` [PATCH v3 14/19] vdpa_sim: add set_config " Stefano Garzarella 2020-12-03 17:05 ` Stefano Garzarella 2020-12-07 5:30 ` Jason Wang 2020-12-07 5:30 ` Jason Wang 2020-12-03 17:05 ` [PATCH v3 15/19] vdpa_sim: set vringh notify callback Stefano Garzarella 2020-12-03 17:05 ` Stefano Garzarella 2020-12-07 5:30 ` Jason Wang 2020-12-07 5:30 ` Jason Wang 2020-12-03 17:05 ` [PATCH v3 16/19] vdpa_sim: use kvmalloc to allocate vdpasim->buffer Stefano Garzarella 2020-12-03 17:05 ` Stefano Garzarella 2020-12-03 17:05 ` Stefano Garzarella [this message] 2020-12-03 17:05 ` [PATCH v3 17/19] vdpa_sim: make vdpasim->buffer size configurable Stefano Garzarella 2020-12-03 17:05 ` [PATCH v3 18/19] vdpa_sim: split vdpasim_virtqueue's iov field in out_iov and in_iov Stefano Garzarella 2020-12-03 17:05 ` Stefano Garzarella 2020-12-03 17:05 ` [PATCH v3 19/19] vdpa: split vdpasim to core and net modules Stefano Garzarella 2020-12-03 17:05 ` Stefano Garzarella 2020-12-03 17:25 ` Randy Dunlap 2020-12-03 17:25 ` Randy Dunlap 2020-12-04 7:48 ` Stefano Garzarella 2020-12-04 7:48 ` Stefano Garzarella 2020-12-07 5:33 ` Jason Wang 2020-12-07 5:33 ` Jason Wang
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