1 /*- 2 * Copyright (c) 2017 Microsoft Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30#include <sys/param.h> 31#include <sys/kernel.h> 32#include <sys/bus.h> 33#include <sys/module.h> 34 35#include <contrib/dev/acpica/include/acpi.h> 36#include <dev/acpica/acpivar.h> 37 38#include "pcib_if.h" 39 40 ACPI_MODULE_NAME("CONTAINER") 41 42 static int acpi_syscont_probe(device_t); 43 static int acpi_syscont_attach(device_t); 44 static int acpi_syscont_detach(device_t); 45 static int acpi_syscont_alloc_msi(device_t, device_t, 46 int count, int maxcount, int *irqs); 47 static int acpi_syscont_release_msi(device_t bus, device_t dev, 48 int count, int *irqs); 49 static int acpi_syscont_alloc_msix(device_t bus, device_t dev, 50 int *irq); 51 static int acpi_syscont_release_msix(device_t bus, device_t dev, 52 int irq); 53 static int acpi_syscont_map_msi(device_t bus, device_t dev, 54 int irq, uint64_t *addr, uint32_t *data); 55 56 static device_method_t acpi_syscont_methods[] = { 57 /* Device interface */ 58 DEVMETHOD(device_probe, acpi_syscont_probe), 59 DEVMETHOD(device_attach, acpi_syscont_attach), 60 DEVMETHOD(device_detach, acpi_syscont_detach), 61 62 /* Bus interface */ 63 DEVMETHOD(bus_add_child, bus_generic_add_child), 64 DEVMETHOD(bus_print_child, bus_generic_print_child), 65 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource), 66 DEVMETHOD(bus_release_resource, bus_generic_release_resource), 67 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 68 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 69 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 70 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 71#if __FreeBSD_version >= 1100000 72 DEVMETHOD(bus_get_cpus, bus_generic_get_cpus), 73#endif 74 75 /* pcib interface */ 76 DEVMETHOD(pcib_alloc_msi, acpi_syscont_alloc_msi), 77 DEVMETHOD(pcib_release_msi, acpi_syscont_release_msi), 78 DEVMETHOD(pcib_alloc_msix, acpi_syscont_alloc_msix), 79 DEVMETHOD(pcib_release_msix, acpi_syscont_release_msix), 80 DEVMETHOD(pcib_map_msi, acpi_syscont_map_msi), 81 82 DEVMETHOD_END 83}; 84 85 static driver_t acpi_syscont_driver = { 86 "acpi_syscontainer", 87 acpi_syscont_methods, 88 0, 89}; 90 91 static devclass_t acpi_syscont_devclass; 92 93 DRIVER_MODULE(acpi_syscontainer, acpi, acpi_syscont_driver, 94 acpi_syscont_devclass, NULL, NULL); 95 MODULE_DEPEND(acpi_syscontainer, acpi, 1, 1, 1); 96 97 static int 98 acpi_syscont_probe(device_t dev) 99{ 100 static char *syscont_ids[] = { "ACPI0004", "PNP0A05", "PNP0A06", NULL }; 101 int rv; 102 103 if (acpi_disabled("syscontainer")) 104 return (ENXIO); 105 rv = ACPI_ID_PROBE(device_get_parent(dev), dev, syscont_ids, NULL); 106 if (rv <= 0) 107 device_set_desc(dev, "System Container"); 108 return (rv); 109} 110 111 static int 112 acpi_syscont_attach(device_t dev) 113{ 114 115 bus_generic_probe(dev); 116 return (bus_generic_attach(dev)); 117} 118 119 static int 120 acpi_syscont_detach(device_t dev) 121{ 122 123 return (bus_generic_detach(dev)); 124} 125 126 static int 127 acpi_syscont_alloc_msi(device_t bus, device_t dev, int count, int maxcount, 128 int *irqs) 129{ 130 device_t parent = device_get_parent(bus); 131 132 return (PCIB_ALLOC_MSI(device_get_parent(parent), dev, count, maxcount, 133 irqs)); 134} 135 136 static int 137 acpi_syscont_release_msi(device_t bus, device_t dev, int count, int *irqs) 138{ 139 device_t parent = device_get_parent(bus); 140 141 return (PCIB_RELEASE_MSI(device_get_parent(parent), dev, count, irqs)); 142} 143 144 static int 145 acpi_syscont_alloc_msix(device_t bus, device_t dev, int *irq) 146{ 147 device_t parent = device_get_parent(bus); 148 149 return (PCIB_ALLOC_MSIX(device_get_parent(parent), dev, irq)); 150} 151 152 static int 153 acpi_syscont_release_msix(device_t bus, device_t dev, int irq) 154{ 155 device_t parent = device_get_parent(bus); 156 157 return (PCIB_RELEASE_MSIX(device_get_parent(parent), dev, irq)); 158} 159 160 static int 161 acpi_syscont_map_msi(device_t bus, device_t dev, int irq, uint64_t *addr, 162 uint32_t *data) 163{ 164 device_t parent = device_get_parent(bus); 165 166 return (PCIB_MAP_MSI(device_get_parent(parent), dev, irq, addr, data)); 167} 168