diff options
Diffstat (limited to 'drivers/vfio/platform/vfio_platform_common.c')
| -rw-r--r-- | drivers/vfio/platform/vfio_platform_common.c | 71 |
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) { |