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# zx_pci_cfg_pio_rw
## NAME
<!-- Updated by update-docs-from-fidl, do not edit. -->
TODO(fxbug.dev/32938)
## SYNOPSIS
<!-- Updated by update-docs-from-fidl, do not edit. -->
```c
#include <zircon/syscalls.h>
zx_status_t zx_pci_cfg_pio_rw(zx_handle_t handle,
uint8_t bus,
uint8_t dev,
uint8_t func,
uint8_t offset,
uint32_t* val,
size_t width,
bool write);
```
## DESCRIPTION
TODO(fxbug.dev/32938)
## RIGHTS
<!-- 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)