pci_passthru.h (4d846d260e2b9a3d4d0a701462568268cbfe7a5b) pci_passthru.h (90c3a1b6629c80a7e4c3fa86d6b794596fdf06b4)
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2020 Beckhoff Automation GmbH & Co. KG
5 * Author: Corvin Köhne <c.koehne@beckhoff.com>
6 */
7
8#pragma once
9
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2020 Beckhoff Automation GmbH & Co. KG
5 * Author: Corvin Köhne <c.koehne@beckhoff.com>
6 */
7
8#pragma once
9
10#include <sys/linker_set.h>
11
10#include <vmmapi.h>
11
12#include <vmmapi.h>
13
14#include "config.h"
12#include "pci_emul.h"
13
14struct passthru_mmio_mapping {
15 vm_paddr_t gpa; /* guest physical address */
16 void *gva; /* guest virtual address */
17 vm_paddr_t hpa; /* host physical address */
18 void *hva; /* guest virtual address */
19 vm_paddr_t len;
20};
21
22struct passthru_softc;
23
15#include "pci_emul.h"
16
17struct passthru_mmio_mapping {
18 vm_paddr_t gpa; /* guest physical address */
19 void *gva; /* guest virtual address */
20 vm_paddr_t hpa; /* host physical address */
21 void *hva; /* guest virtual address */
22 vm_paddr_t len;
23};
24
25struct passthru_softc;
26
27struct passthru_dev {
28 int (*probe)(struct pci_devinst *pi);
29 int (*init)(struct pci_devinst *pi, nvlist_t *nvl);
30 void (*deinit)(struct pci_devinst *pi);
31};
32#define PASSTHRU_DEV_SET(x) DATA_SET(passthru_dev_set, x)
33
24typedef int (*cfgread_handler)(struct passthru_softc *sc,
25 struct pci_devinst *pi, int coff, int bytes, uint32_t *rv);
26typedef int (*cfgwrite_handler)(struct passthru_softc *sc,
27 struct pci_devinst *pi, int coff, int bytes, uint32_t val);
28
29uint32_t read_config(const struct pcisel *sel, long reg, int width);
30void write_config(const struct pcisel *sel, long reg, int width, uint32_t data);
31int passthru_cfgread_emulate(struct passthru_softc *sc, struct pci_devinst *pi,
32 int coff, int bytes, uint32_t *rv);
33int passthru_cfgwrite_emulate(struct passthru_softc *sc, struct pci_devinst *pi,
34 int coff, int bytes, uint32_t val);
35struct passthru_mmio_mapping *passthru_get_mmio(struct passthru_softc *sc,
36 int num);
37struct pcisel *passthru_get_sel(struct passthru_softc *sc);
38int set_pcir_handler(struct passthru_softc *sc, int reg, int len,
39 cfgread_handler rhandler, cfgwrite_handler whandler);
34typedef int (*cfgread_handler)(struct passthru_softc *sc,
35 struct pci_devinst *pi, int coff, int bytes, uint32_t *rv);
36typedef int (*cfgwrite_handler)(struct passthru_softc *sc,
37 struct pci_devinst *pi, int coff, int bytes, uint32_t val);
38
39uint32_t read_config(const struct pcisel *sel, long reg, int width);
40void write_config(const struct pcisel *sel, long reg, int width, uint32_t data);
41int passthru_cfgread_emulate(struct passthru_softc *sc, struct pci_devinst *pi,
42 int coff, int bytes, uint32_t *rv);
43int passthru_cfgwrite_emulate(struct passthru_softc *sc, struct pci_devinst *pi,
44 int coff, int bytes, uint32_t val);
45struct passthru_mmio_mapping *passthru_get_mmio(struct passthru_softc *sc,
46 int num);
47struct pcisel *passthru_get_sel(struct passthru_softc *sc);
48int set_pcir_handler(struct passthru_softc *sc, int reg, int len,
49 cfgread_handler rhandler, cfgwrite_handler whandler);