1/*
2 * Copyright 2014, General Dynamics C4 Systems
3 *
4 * SPDX-License-Identifier: GPL-2.0-only
5 */
6
7#pragma once
8
9#include <types.h>
10#include <api/failures.h>
11#include <object/structures.h>
12
13#define NUM_IO_PORTS BIT(16)
14
15/* given a pointer to an 8K IO port bitmap, set a range of bits to 0 or 1 based on the `set` parameter */
16void setIOPortMask(void *ioport_bitmap, uint16_t low, uint16_t high, bool_t set);
17
18exception_t decodeX86PortInvocation(word_t invLabel, word_t length, cptr_t cptr, cte_t *slot, cap_t cap,
19                                    extra_caps_t excaps, bool_t call, word_t *buffer);
20exception_t decodeX86PortControlInvocation(word_t invLabel, word_t length, cptr_t cptr, cte_t *slot, cap_t cap,
21                                           extra_caps_t excaps, word_t *buffer);
22
23/* used to clean up the final capability to an allocated I/O port range */
24void freeIOPortRange(uint16_t first_port, uint16_t last_port);
25
26