docs/reference/syscalls/pci_add_subtract_io_range.md

# zx_pci_add_subtract_io_range

## NAME

<!-- Contents of this heading updated by update-docs-from-fidl, do not edit. -->

TODO(fxbug.dev/32938)

## SYNOPSIS

<!-- Contents of this heading updated by update-docs-from-fidl, do not edit. -->

```c
#include <zircon/syscalls.h>

zx_status_t zx_pci_add_subtract_io_range(zx_handle_t handle,
                                         uint32_t mmio,
                                         uint64_t base,
                                         uint64_t len,
                                         uint32_t add);
```

## DESCRIPTION

TODO(fxbug.dev/32938)

## RIGHTS

<!-- Contents of this heading updated by update-docs-from-fidl, do not edit. -->

*handle* must have resource kind **ZX_RSRC_KIND_ROOT**.

## RETURN VALUE

TODO(fxbug.dev/32938)

## ERRORS

TODO(fxbug.dev/32938)

## SEE ALSO


TODO(fxbug.dev/32938)