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authorYi Liu <yi.l.liu@intel.com>2023-07-18 15:55:27 +0200
committerAlex Williamson <alex.williamson@redhat.com>2023-07-25 18:18:22 +0200
commitb1a59be8a2b64d00409dc7c9d523572ed32bcff8 (patch)
treed92092d0dbc90e7e74611d77ff13b38e5daf174a /virt
parentvfio: Allocate per device file structure (diff)
downloadlinux-b1a59be8a2b64d00409dc7c9d523572ed32bcff8.tar.xz
linux-b1a59be8a2b64d00409dc7c9d523572ed32bcff8.zip
vfio: Refine vfio file kAPIs for KVM
This prepares for making the below kAPIs to accept both group file and device file instead of only vfio group file. bool vfio_file_enforced_coherent(struct file *file); void vfio_file_set_kvm(struct file *file, struct kvm *kvm); Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Tested-by: Terrence Xu <terrence.xu@intel.com> Tested-by: Nicolin Chen <nicolinc@nvidia.com> Tested-by: Matthew Rosato <mjrosato@linux.ibm.com> Tested-by: Yanting Jiang <yanting.jiang@intel.com> Tested-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> Tested-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Link: https://lore.kernel.org/r/20230718135551.6592-3-yi.l.liu@intel.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/vfio.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/virt/kvm/vfio.c b/virt/kvm/vfio.c
index 9584eb57e0ed..b33c7b8488b3 100644
--- a/virt/kvm/vfio.c
+++ b/virt/kvm/vfio.c
@@ -64,18 +64,18 @@ static bool kvm_vfio_file_enforced_coherent(struct file *file)
return ret;
}
-static bool kvm_vfio_file_is_group(struct file *file)
+static bool kvm_vfio_file_is_valid(struct file *file)
{
bool (*fn)(struct file *file);
bool ret;
- fn = symbol_get(vfio_file_is_group);
+ fn = symbol_get(vfio_file_is_valid);
if (!fn)
return false;
ret = fn(file);
- symbol_put(vfio_file_is_group);
+ symbol_put(vfio_file_is_valid);
return ret;
}
@@ -154,8 +154,8 @@ static int kvm_vfio_group_add(struct kvm_device *dev, unsigned int fd)
if (!filp)
return -EBADF;
- /* Ensure the FD is a vfio group FD.*/
- if (!kvm_vfio_file_is_group(filp)) {
+ /* Ensure the FD is a vfio FD. */
+ if (!kvm_vfio_file_is_valid(filp)) {
ret = -EINVAL;
goto err_fput;
}