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path: root/drivers/vfio/platform/vfio_platform_common.c
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Diffstat (limited to 'drivers/vfio/platform/vfio_platform_common.c')
-rw-r--r--drivers/vfio/platform/vfio_platform_common.c71
1 files changed, 23 insertions, 48 deletions
diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c
index 256f55b84e70..55dc4f43c31e 100644
--- a/drivers/vfio/platform/vfio_platform_common.c
+++ b/drivers/vfio/platform/vfio_platform_common.c
@@ -218,7 +218,7 @@ static int vfio_platform_call_reset(struct vfio_platform_device *vdev,
return -EINVAL;
}
-static void vfio_platform_close_device(struct vfio_device *core_vdev)
+void vfio_platform_close_device(struct vfio_device *core_vdev)
{
struct vfio_platform_device *vdev =
container_of(core_vdev, struct vfio_platform_device, vdev);
@@ -236,8 +236,9 @@ static void vfio_platform_close_device(struct vfio_device *core_vdev)
vfio_platform_regions_cleanup(vdev);
vfio_platform_irq_cleanup(vdev);
}
+EXPORT_SYMBOL_GPL(vfio_platform_close_device);
-static int vfio_platform_open_device(struct vfio_device *core_vdev)
+int vfio_platform_open_device(struct vfio_device *core_vdev)
{
struct vfio_platform_device *vdev =
container_of(core_vdev, struct vfio_platform_device, vdev);
@@ -273,9 +274,10 @@ err_irq:
vfio_platform_regions_cleanup(vdev);
return ret;
}
+EXPORT_SYMBOL_GPL(vfio_platform_open_device);
-static long vfio_platform_ioctl(struct vfio_device *core_vdev,
- unsigned int cmd, unsigned long arg)
+long vfio_platform_ioctl(struct vfio_device *core_vdev,
+ unsigned int cmd, unsigned long arg)
{
struct vfio_platform_device *vdev =
container_of(core_vdev, struct vfio_platform_device, vdev);
@@ -382,6 +384,7 @@ static long vfio_platform_ioctl(struct vfio_device *core_vdev,
return -ENOTTY;
}
+EXPORT_SYMBOL_GPL(vfio_platform_ioctl);
static ssize_t vfio_platform_read_mmio(struct vfio_platform_region *reg,
char __user *buf, size_t count,
@@ -438,8 +441,8 @@ err:
return -EFAULT;
}
-static ssize_t vfio_platform_read(struct vfio_device *core_vdev,
- char __user *buf, size_t count, loff_t *ppos)
+ssize_t vfio_platform_read(struct vfio_device *core_vdev,
+ char __user *buf, size_t count, loff_t *ppos)
{
struct vfio_platform_device *vdev =
container_of(core_vdev, struct vfio_platform_device, vdev);
@@ -460,6 +463,7 @@ static ssize_t vfio_platform_read(struct vfio_device *core_vdev,
return -EINVAL;
}
+EXPORT_SYMBOL_GPL(vfio_platform_read);
static ssize_t vfio_platform_write_mmio(struct vfio_platform_region *reg,
const char __user *buf, size_t count,
@@ -515,8 +519,8 @@ err:
return -EFAULT;
}
-static ssize_t vfio_platform_write(struct vfio_device *core_vdev, const char __user *buf,
- size_t count, loff_t *ppos)
+ssize_t vfio_platform_write(struct vfio_device *core_vdev, const char __user *buf,
+ size_t count, loff_t *ppos)
{
struct vfio_platform_device *vdev =
container_of(core_vdev, struct vfio_platform_device, vdev);
@@ -537,6 +541,7 @@ static ssize_t vfio_platform_write(struct vfio_device *core_vdev, const char __u
return -EINVAL;
}
+EXPORT_SYMBOL_GPL(vfio_platform_write);
static int vfio_platform_mmap_mmio(struct vfio_platform_region region,
struct vm_area_struct *vma)
@@ -558,7 +563,7 @@ static int vfio_platform_mmap_mmio(struct vfio_platform_region region,
req_len, vma->vm_page_prot);
}
-static int vfio_platform_mmap(struct vfio_device *core_vdev, struct vm_area_struct *vma)
+int vfio_platform_mmap(struct vfio_device *core_vdev, struct vm_area_struct *vma)
{
struct vfio_platform_device *vdev =
container_of(core_vdev, struct vfio_platform_device, vdev);
@@ -598,16 +603,7 @@ static int vfio_platform_mmap(struct vfio_device *core_vdev, struct vm_area_stru
return -EINVAL;
}
-
-static const struct vfio_device_ops vfio_platform_ops = {
- .name = "vfio-platform",
- .open_device = vfio_platform_open_device,
- .close_device = vfio_platform_close_device,
- .ioctl = vfio_platform_ioctl,
- .read = vfio_platform_read,
- .write = vfio_platform_write,
- .mmap = vfio_platform_mmap,
-};
+EXPORT_SYMBOL_GPL(vfio_platform_mmap);
static int vfio_platform_of_probe(struct vfio_platform_device *vdev,
struct device *dev)
@@ -639,55 +635,34 @@ static int vfio_platform_of_probe(struct vfio_platform_device *vdev,
* If the firmware is ACPI type, then acpi_disabled is 0. All other checks are
* valid checks. We cannot claim that this system is DT.
*/
-int vfio_platform_probe_common(struct vfio_platform_device *vdev,
- struct device *dev)
+int vfio_platform_init_common(struct vfio_platform_device *vdev)
{
int ret;
-
- vfio_init_group_dev(&vdev->vdev, dev, &vfio_platform_ops);
+ struct device *dev = vdev->vdev.dev;
ret = vfio_platform_acpi_probe(vdev, dev);
if (ret)
ret = vfio_platform_of_probe(vdev, dev);
if (ret)
- goto out_uninit;
+ return ret;
vdev->device = dev;
+ mutex_init(&vdev->igate);
ret = vfio_platform_get_reset(vdev);
- if (ret && vdev->reset_required) {
+ if (ret && vdev->reset_required)
dev_err(dev, "No reset function found for device %s\n",
vdev->name);
- goto out_uninit;
- }
-
- ret = vfio_register_group_dev(&vdev->vdev);
- if (ret)
- goto put_reset;
-
- mutex_init(&vdev->igate);
-
- pm_runtime_enable(dev);
- return 0;
-
-put_reset:
- vfio_platform_put_reset(vdev);
-out_uninit:
- vfio_uninit_group_dev(&vdev->vdev);
return ret;
}
-EXPORT_SYMBOL_GPL(vfio_platform_probe_common);
+EXPORT_SYMBOL_GPL(vfio_platform_init_common);
-void vfio_platform_remove_common(struct vfio_platform_device *vdev)
+void vfio_platform_release_common(struct vfio_platform_device *vdev)
{
- vfio_unregister_group_dev(&vdev->vdev);
-
- pm_runtime_disable(vdev->device);
vfio_platform_put_reset(vdev);
- vfio_uninit_group_dev(&vdev->vdev);
}
-EXPORT_SYMBOL_GPL(vfio_platform_remove_common);
+EXPORT_SYMBOL_GPL(vfio_platform_release_common);
void __vfio_platform_register_reset(struct vfio_platform_reset_node *node)
{