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vfio/hisi: Convert to the get_region_info op 

Change the function signature of hisi_acc_vfio_pci_ioctl()
and re-indent it.

Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Pranjal Shrivastava <praan@google.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/2-v2-2a9e24d62f1b+e10a-vfio_get_region_info_op_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex@shazbot.org>
This commit is contained in:
Jason Gunthorpe 2025-11-07 13:41:18 -04:00 committed by Alex Williamson
parent 113557b040
commit e238f147d5
1 changed files with 21 additions and 24 deletions
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45
drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c
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@ -1385,37 +1385,33 @@ static ssize_t hisi_acc_vfio_pci_read(struct vfio_device *core_vdev,
return vfio_pci_core_read(core_vdev, buf, new_count, ppos);
}
static long hisi_acc_vfio_pci_ioctl(struct vfio_device *core_vdev, unsigned int cmd,
unsigned long arg)
static int hisi_acc_vfio_ioctl_get_region(struct vfio_device *core_vdev,
struct vfio_region_info __user *arg)
{
if (cmd == VFIO_DEVICE_GET_REGION_INFO) {
struct vfio_pci_core_device *vdev =
container_of(core_vdev, struct vfio_pci_core_device, vdev);
struct vfio_region_info info;
unsigned long minsz;
struct vfio_pci_core_device *vdev =
container_of(core_vdev, struct vfio_pci_core_device, vdev);
struct vfio_region_info info;
unsigned long minsz;
minsz = offsetofend(struct vfio_region_info, offset);
minsz = offsetofend(struct vfio_region_info, offset);
if (copy_from_user(&info, (void __user *)arg, minsz))
return -EFAULT;
if (copy_from_user(&info, arg, minsz))
return -EFAULT;
if (info.argsz < minsz)
return -EINVAL;
if (info.argsz < minsz)
return -EINVAL;
if (info.index == VFIO_PCI_BAR2_REGION_INDEX) {
info.offset = VFIO_PCI_INDEX_TO_OFFSET(info.index);
if (info.index != VFIO_PCI_BAR2_REGION_INDEX)
return vfio_pci_ioctl_get_region_info(core_vdev, arg);
info.size = hisi_acc_get_resource_len(vdev, info.index);
info.offset = VFIO_PCI_INDEX_TO_OFFSET(info.index);
info.flags = VFIO_REGION_INFO_FLAG_READ |
VFIO_REGION_INFO_FLAG_WRITE |
VFIO_REGION_INFO_FLAG_MMAP;
info.size = hisi_acc_get_resource_len(vdev, info.index);
return copy_to_user((void __user *)arg, &info, minsz) ?
-EFAULT : 0;
}
}
return vfio_pci_core_ioctl(core_vdev, cmd, arg);
info.flags = VFIO_REGION_INFO_FLAG_READ | VFIO_REGION_INFO_FLAG_WRITE |
VFIO_REGION_INFO_FLAG_MMAP;
return copy_to_user(arg, &info, minsz) ? -EFAULT : 0;
}
static int hisi_acc_vf_debug_check(struct seq_file *seq, struct vfio_device *vdev)
@ -1613,7 +1609,8 @@ static const struct vfio_device_ops hisi_acc_vfio_pci_migrn_ops = {
.release = vfio_pci_core_release_dev,
.open_device = hisi_acc_vfio_pci_open_device,
.close_device = hisi_acc_vfio_pci_close_device,
.ioctl = hisi_acc_vfio_pci_ioctl,
.ioctl = vfio_pci_core_ioctl,
.get_region_info = hisi_acc_vfio_ioctl_get_region,
.device_feature = vfio_pci_core_ioctl_feature,
.read = hisi_acc_vfio_pci_read,
.write = hisi_acc_vfio_pci_write,