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 #include <sys/param.h> 29 #include <sys/kernel.h> 30 #include <sys/bus.h> 31 #include <sys/module.h> 32 33 #include <contrib/dev/acpica/include/acpi.h> 34 #include <dev/acpica/acpivar.h> 35 36 #include "pcib_if.h" 37 38 ACPI_MODULE_NAME("CONTAINER") 39 40 static int acpi_syscont_probe(device_t); 41 static int acpi_syscont_attach(device_t); 42 static int acpi_syscont_detach(device_t); 43 static int acpi_syscont_alloc_msi(device_t, device_t, 44 int count, int maxcount, int *irqs); 45 static int acpi_syscont_release_msi(device_t bus, device_t dev, 46 int count, int *irqs); 47 static int acpi_syscont_alloc_msix(device_t bus, device_t dev, 48 int *irq); 49 static int acpi_syscont_release_msix(device_t bus, device_t dev, 50 int irq); 51 static int acpi_syscont_map_msi(device_t bus, device_t dev, 52 int irq, uint64_t *addr, uint32_t *data); 53 54 static device_method_t acpi_syscont_methods[] = { 55 /* Device interface */ 56 DEVMETHOD(device_probe, acpi_syscont_probe), 57 DEVMETHOD(device_attach, acpi_syscont_attach), 58 DEVMETHOD(device_detach, acpi_syscont_detach), 59 60 /* Bus interface */ 61 DEVMETHOD(bus_add_child, bus_generic_add_child), 62 DEVMETHOD(bus_print_child, bus_generic_print_child), 63 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource), 64 DEVMETHOD(bus_release_resource, bus_generic_release_resource), 65 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 66 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 67 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 68 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 69 DEVMETHOD(bus_get_cpus, bus_generic_get_cpus), 70 71 /* pcib interface */ 72 DEVMETHOD(pcib_alloc_msi, acpi_syscont_alloc_msi), 73 DEVMETHOD(pcib_release_msi, acpi_syscont_release_msi), 74 DEVMETHOD(pcib_alloc_msix, acpi_syscont_alloc_msix), 75 DEVMETHOD(pcib_release_msix, acpi_syscont_release_msix), 76 DEVMETHOD(pcib_map_msi, acpi_syscont_map_msi), 77 78 DEVMETHOD_END 79 }; 80 81 static driver_t acpi_syscont_driver = { 82 "acpi_syscontainer", 83 acpi_syscont_methods, 84 0, 85 }; 86 87 DRIVER_MODULE(acpi_syscontainer, acpi, acpi_syscont_driver, NULL, NULL); 88 MODULE_DEPEND(acpi_syscontainer, acpi, 1, 1, 1); 89 90 static int 91 acpi_syscont_probe(device_t dev) 92 { 93 static char *syscont_ids[] = { "ACPI0004", "PNP0A05", "PNP0A06", NULL }; 94 int rv; 95 96 if (acpi_disabled("syscontainer")) 97 return (ENXIO); 98 rv = ACPI_ID_PROBE(device_get_parent(dev), dev, syscont_ids, NULL); 99 if (rv <= 0) 100 device_set_desc(dev, "System Container"); 101 return (rv); 102 } 103 104 static int 105 acpi_syscont_attach(device_t dev) 106 { 107 108 bus_generic_probe(dev); 109 return (bus_generic_attach(dev)); 110 } 111 112 static int 113 acpi_syscont_detach(device_t dev) 114 { 115 116 return (bus_generic_detach(dev)); 117 } 118 119 static int 120 acpi_syscont_alloc_msi(device_t bus, device_t dev, int count, int maxcount, 121 int *irqs) 122 { 123 device_t parent = device_get_parent(bus); 124 125 return (PCIB_ALLOC_MSI(device_get_parent(parent), dev, count, maxcount, 126 irqs)); 127 } 128 129 static int 130 acpi_syscont_release_msi(device_t bus, device_t dev, int count, int *irqs) 131 { 132 device_t parent = device_get_parent(bus); 133 134 return (PCIB_RELEASE_MSI(device_get_parent(parent), dev, count, irqs)); 135 } 136 137 static int 138 acpi_syscont_alloc_msix(device_t bus, device_t dev, int *irq) 139 { 140 device_t parent = device_get_parent(bus); 141 142 return (PCIB_ALLOC_MSIX(device_get_parent(parent), dev, irq)); 143 } 144 145 static int 146 acpi_syscont_release_msix(device_t bus, device_t dev, int irq) 147 { 148 device_t parent = device_get_parent(bus); 149 150 return (PCIB_RELEASE_MSIX(device_get_parent(parent), dev, irq)); 151 } 152 153 static int 154 acpi_syscont_map_msi(device_t bus, device_t dev, int irq, uint64_t *addr, 155 uint32_t *data) 156 { 157 device_t parent = device_get_parent(bus); 158 159 return (PCIB_MAP_MSI(device_get_parent(parent), dev, irq, addr, data)); 160 } 161