1 /* $NetBSD: acpi_mcfg.h,v 1.5 2022/10/14 22:10:15 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (C) 2015 NONAKA Kimihiro <nonaka@NetBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef _SYS_DEV_ACPI_ACPI_MCFG_H 29 #define _SYS_DEV_ACPI_ACPI_MCFG_H 30 31 struct acpimcfg_ops; 32 void acpimcfg_probe(struct acpi_softc *); 33 int acpimcfg_init(bus_space_tag_t, const struct acpimcfg_ops *); 34 int acpimcfg_map_bus(device_t, pci_chipset_tag_t, int); 35 int acpimcfg_configure_bus(device_t, pci_chipset_tag_t, ACPI_HANDLE, int, 36 bool); 37 ACPI_STATUS acpimcfg_configure_bus_cb(ACPI_RESOURCE *, void *); 38 39 int acpimcfg_conf_read(pci_chipset_tag_t, pcitag_t, int, pcireg_t *); 40 int acpimcfg_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t); 41 bool acpimcfg_conf_valid(pci_chipset_tag_t, pcitag_t, int); 42 43 struct acpimcfg_ops { 44 /* validate MCFG memory region */ 45 bool (*ao_validate)(uint64_t, int, int *); 46 47 /* override default bus_space(9) function */ 48 uint32_t (*ao_read)(bus_space_tag_t, bus_space_handle_t, 49 bus_addr_t); 50 void (*ao_write)(bus_space_tag_t, bus_space_handle_t, 51 bus_addr_t, uint32_t); 52 }; 53 54 #define ACPIMCFG_SIZE_PER_BUS (PCI_EXTCONF_SIZE * 32/*dev*/ * 8/*func*/) 55 56 bool acpimcfg_default_validate(uint64_t, int, int *); 57 uint32_t acpimcfg_default_read(bus_space_tag_t, bus_space_handle_t, 58 bus_addr_t); 59 void acpimcfg_default_write(bus_space_tag_t, bus_space_handle_t, 60 bus_addr_t, uint32_t); 61 62 #endif /* _SYS_DEV_ACPI_ACPI_PCI_H */ 63