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| author | Gautam Dawar <gautam.dawar@xilinx.com> | 2022-03-30 23:33:45 +0530 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-05-31 12:44:27 -0400 |
| commit | d4821902e43453b85b31329441a9f6ac071228a8 (patch) | |
| tree | 0414b5c89a71368fbce8af6ef5ef1129d28f5cdd /drivers/vdpa/ifcvf | |
| parent | 0b7ee47c5f36634926def0142a515eafedc8a779 (diff) | |
| download | linux-stable-d4821902e43453b85b31329441a9f6ac071228a8.tar.gz linux-stable-d4821902e43453b85b31329441a9f6ac071228a8.tar.bz2 linux-stable-d4821902e43453b85b31329441a9f6ac071228a8.zip | |
vdpa: introduce virtqueue groups
This patch introduces virtqueue groups to vDPA device. The virtqueue
group is the minimal set of virtqueues that must share an address
space. And the address space identifier could only be attached to
a specific virtqueue group.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Gautam Dawar <gdawar@xilinx.com>
Message-Id: <20220330180436.24644-6-gdawar@xilinx.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa/ifcvf')
| -rw-r--r-- | drivers/vdpa/ifcvf/ifcvf_main.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index 4366320fb68d..fde33e143246 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -626,6 +626,11 @@ static size_t ifcvf_vdpa_get_config_size(struct vdpa_device *vdpa_dev) return vf->config_size; } +static u32 ifcvf_vdpa_get_vq_group(struct vdpa_device *vdpa, u16 idx) +{ + return 0; +} + static void ifcvf_vdpa_get_config(struct vdpa_device *vdpa_dev, unsigned int offset, void *buf, unsigned int len) @@ -704,6 +709,7 @@ static const struct vdpa_config_ops ifc_vdpa_ops = { .get_device_id = ifcvf_vdpa_get_device_id, .get_vendor_id = ifcvf_vdpa_get_vendor_id, .get_vq_align = ifcvf_vdpa_get_vq_align, + .get_vq_group = ifcvf_vdpa_get_vq_group, .get_config_size = ifcvf_vdpa_get_config_size, .get_config = ifcvf_vdpa_get_config, .set_config = ifcvf_vdpa_set_config, @@ -758,7 +764,7 @@ static int ifcvf_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name, pdev = ifcvf_mgmt_dev->pdev; dev = &pdev->dev; adapter = vdpa_alloc_device(struct ifcvf_adapter, vdpa, - dev, &ifc_vdpa_ops, name, false); + dev, &ifc_vdpa_ops, 1, name, false); if (IS_ERR(adapter)) { IFCVF_ERR(pdev, "Failed to allocate vDPA structure"); return PTR_ERR(adapter); |