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 DEVMETHOD(bus_get_cpus, bus_generic_get_cpus), 72 73 /* pcib interface */ 74 DEVMETHOD(pcib_alloc_msi, acpi_syscont_alloc_msi), 75 DEVMETHOD(pcib_release_msi, acpi_syscont_release_msi), 76 DEVMETHOD(pcib_alloc_msix, acpi_syscont_alloc_msix), 77 DEVMETHOD(pcib_release_msix, acpi_syscont_release_msix), 78 DEVMETHOD(pcib_map_msi, acpi_syscont_map_msi), 79 80 DEVMETHOD_END 81 }; 82 83 static driver_t acpi_syscont_driver = { 84 "acpi_syscontainer", 85 acpi_syscont_methods, 86 0, 87 }; 88 89 DRIVER_MODULE(acpi_syscontainer, acpi, acpi_syscont_driver, NULL, NULL); 90 MODULE_DEPEND(acpi_syscontainer, acpi, 1, 1, 1); 91 92 static int 93 acpi_syscont_probe(device_t dev) 94 { 95 static char *syscont_ids[] = { "ACPI0004", "PNP0A05", "PNP0A06", NULL }; 96 int rv; 97 98 if (acpi_disabled("syscontainer")) 99 return (ENXIO); 100 rv = ACPI_ID_PROBE(device_get_parent(dev), dev, syscont_ids, NULL); 101 if (rv <= 0) 102 device_set_desc(dev, "System Container"); 103 return (rv); 104 } 105 106 static int 107 acpi_syscont_attach(device_t dev) 108 { 109 110 bus_generic_probe(dev); 111 return (bus_generic_attach(dev)); 112 } 113 114 static int 115 acpi_syscont_detach(device_t dev) 116 { 117 118 return (bus_generic_detach(dev)); 119 } 120 121 static int 122 acpi_syscont_alloc_msi(device_t bus, device_t dev, int count, int maxcount, 123 int *irqs) 124 { 125 device_t parent = device_get_parent(bus); 126 127 return (PCIB_ALLOC_MSI(device_get_parent(parent), dev, count, maxcount, 128 irqs)); 129 } 130 131 static int 132 acpi_syscont_release_msi(device_t bus, device_t dev, int count, int *irqs) 133 { 134 device_t parent = device_get_parent(bus); 135 136 return (PCIB_RELEASE_MSI(device_get_parent(parent), dev, count, irqs)); 137 } 138 139 static int 140 acpi_syscont_alloc_msix(device_t bus, device_t dev, int *irq) 141 { 142 device_t parent = device_get_parent(bus); 143 144 return (PCIB_ALLOC_MSIX(device_get_parent(parent), dev, irq)); 145 } 146 147 static int 148 acpi_syscont_release_msix(device_t bus, device_t dev, int irq) 149 { 150 device_t parent = device_get_parent(bus); 151 152 return (PCIB_RELEASE_MSIX(device_get_parent(parent), dev, irq)); 153 } 154 155 static int 156 acpi_syscont_map_msi(device_t bus, device_t dev, int irq, uint64_t *addr, 157 uint32_t *data) 158 { 159 device_t parent = device_get_parent(bus); 160 161 return (PCIB_MAP_MSI(device_get_parent(parent), dev, irq, addr, data)); 162 } 163