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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
commitb20732900e4636a467c0183a47f7396700f5f743 (patch)
tree42f079ff82e701ebcb76829974b4caca3e5b6798 /drivers/vdpa/ifcvf/ifcvf_base.c
parentAdding upstream version 6.8.12. (diff)
downloadlinux-b20732900e4636a467c0183a47f7396700f5f743.tar.xz
linux-b20732900e4636a467c0183a47f7396700f5f743.zip
Adding upstream version 6.9.7.upstream/6.9.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/vdpa/ifcvf/ifcvf_base.c')
-rw-r--r--drivers/vdpa/ifcvf/ifcvf_base.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c
index 060f837a4f..472daa588a 100644
--- a/drivers/vdpa/ifcvf/ifcvf_base.c
+++ b/drivers/vdpa/ifcvf/ifcvf_base.c
@@ -69,20 +69,19 @@ static int ifcvf_read_config_range(struct pci_dev *dev,
return 0;
}
-static u16 ifcvf_get_vq_size(struct ifcvf_hw *hw, u16 qid)
+u16 ifcvf_get_vq_size(struct ifcvf_hw *hw, u16 qid)
{
u16 queue_size;
+ if (qid >= hw->nr_vring)
+ return 0;
+
vp_iowrite16(qid, &hw->common_cfg->queue_select);
queue_size = vp_ioread16(&hw->common_cfg->queue_size);
return queue_size;
}
-/* This function returns the max allowed safe size for
- * all virtqueues. It is the minimal size that can be
- * suppprted by all virtqueues.
- */
u16 ifcvf_get_max_vq_size(struct ifcvf_hw *hw)
{
u16 queue_size, max_size, qid;
@@ -94,7 +93,7 @@ u16 ifcvf_get_max_vq_size(struct ifcvf_hw *hw)
if (!queue_size)
continue;
- max_size = min(queue_size, max_size);
+ max_size = max(queue_size, max_size);
}
return max_size;