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
next prev parent reply other threads:[~2020-12-03 17:09 UTC|newest]
Thread overview: 35+ 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 ` [PATCH v3 01/19] vdpa: remove unnecessary 'default n' in Kconfig entries Stefano Garzarella
2020-12-03 17:04 ` [PATCH v3 02/19] vdpa_sim: remove unnecessary headers inclusion Stefano Garzarella
2020-12-03 17:37 ` Randy Dunlap
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 ` [PATCH v3 04/19] vhost/iotlb: add VHOST_IOTLB_UNLIMITED macro Stefano Garzarella
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
2020-12-07 4:00 ` Jason Wang
2020-12-09 10:58 ` Stefano Garzarella
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 ` [PATCH v3 07/19] vdpa_sim: add struct vdpasim_dev_attr for device attributes 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 ` [PATCH v3 09/19] vdpa_sim: add supported_features " Stefano Garzarella
2020-12-03 17:05 ` [PATCH v3 10/19] vdpa_sim: add work_fn " 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 ` [PATCH v3 12/19] vdpa_sim: make 'config' generic and usable for any device type Stefano Garzarella
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
2020-12-07 5:29 ` Jason Wang
2020-12-09 11:07 ` 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
2020-12-07 5:30 ` Jason Wang
2020-12-03 17:05 ` [PATCH v3 15/19] vdpa_sim: set vringh notify callback Stefano Garzarella
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 [this message]
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 ` [PATCH v3 19/19] vdpa: split vdpasim to core and net modules Stefano Garzarella
2020-12-03 17:25 ` Randy Dunlap
2020-12-04 7:48 ` Stefano Garzarella
2020-12-07 5:33 ` Jason Wang
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