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/param.h> 28 #include <sys/kernel.h> 29 #include <sys/bus.h> 30 #include <sys/module.h> 31 32 #include <contrib/dev/acpica/include/acpi.h> 33 #include <dev/acpica/acpivar.h> 34 35 #include "pcib_if.h" 36 37 ACPI_MODULE_NAME("CONTAINER") 38 39 static int acpi_syscont_probe(device_t); 40 static int acpi_syscont_attach(device_t); 41 static int acpi_syscont_alloc_msi(device_t, device_t, 42 int count, int maxcount, int *irqs); 43 static int acpi_syscont_release_msi(device_t bus, device_t dev, 44 int count, int *irqs); 45 static int acpi_syscont_alloc_msix(device_t bus, device_t dev, 46 int *irq); 47 static int acpi_syscont_release_msix(device_t bus, device_t dev, 48 int irq); 49 static int acpi_syscont_map_msi(device_t bus, device_t dev, 50 int irq, uint64_t *addr, uint32_t *data); 51 52 static device_method_t acpi_syscont_methods[] = { 53 /* Device interface */ 54 DEVMETHOD(device_probe, acpi_syscont_probe), 55 DEVMETHOD(device_attach, acpi_syscont_attach), 56 DEVMETHOD(device_detach, bus_generic_detach), 57 58 /* Bus interface */ 59 DEVMETHOD(bus_add_child, bus_generic_add_child), 60 DEVMETHOD(bus_print_child, bus_generic_print_child), 61 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource), 62 DEVMETHOD(bus_release_resource, bus_generic_release_resource), 63 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 64 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 65 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 66 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 67 DEVMETHOD(bus_get_cpus, bus_generic_get_cpus), 68 69 /* pcib interface */ 70 DEVMETHOD(pcib_alloc_msi, acpi_syscont_alloc_msi), 71 DEVMETHOD(pcib_release_msi, acpi_syscont_release_msi), 72 DEVMETHOD(pcib_alloc_msix, acpi_syscont_alloc_msix), 73 DEVMETHOD(pcib_release_msix, acpi_syscont_release_msix), 74 DEVMETHOD(pcib_map_msi, acpi_syscont_map_msi), 75 76 DEVMETHOD_END 77 }; 78 79 static driver_t acpi_syscont_driver = { 80 "acpi_syscontainer", 81 acpi_syscont_methods, 82 0, 83 }; 84 85 DRIVER_MODULE(acpi_syscontainer, acpi, acpi_syscont_driver, NULL, NULL); 86 MODULE_DEPEND(acpi_syscontainer, acpi, 1, 1, 1); 87 88 static int 89 acpi_syscont_probe(device_t dev) 90 { 91 static char *syscont_ids[] = { "ACPI0004", "PNP0A05", "PNP0A06", NULL }; 92 int rv; 93 94 if (acpi_disabled("syscontainer")) 95 return (ENXIO); 96 rv = ACPI_ID_PROBE(device_get_parent(dev), dev, syscont_ids, NULL); 97 if (rv <= 0) 98 device_set_desc(dev, "System Container"); 99 return (rv); 100 } 101 102 static int 103 acpi_syscont_attach(device_t dev) 104 { 105 106 bus_generic_probe(dev); 107 return (bus_generic_attach(dev)); 108 } 109 110 static int 111 acpi_syscont_alloc_msi(device_t bus, device_t dev, int count, int maxcount, 112 int *irqs) 113 { 114 device_t parent = device_get_parent(bus); 115 116 return (PCIB_ALLOC_MSI(device_get_parent(parent), dev, count, maxcount, 117 irqs)); 118 } 119 120 static int 121 acpi_syscont_release_msi(device_t bus, device_t dev, int count, int *irqs) 122 { 123 device_t parent = device_get_parent(bus); 124 125 return (PCIB_RELEASE_MSI(device_get_parent(parent), dev, count, irqs)); 126 } 127 128 static int 129 acpi_syscont_alloc_msix(device_t bus, device_t dev, int *irq) 130 { 131 device_t parent = device_get_parent(bus); 132 133 return (PCIB_ALLOC_MSIX(device_get_parent(parent), dev, irq)); 134 } 135 136 static int 137 acpi_syscont_release_msix(device_t bus, device_t dev, int irq) 138 { 139 device_t parent = device_get_parent(bus); 140 141 return (PCIB_RELEASE_MSIX(device_get_parent(parent), dev, irq)); 142 } 143 144 static int 145 acpi_syscont_map_msi(device_t bus, device_t dev, int irq, uint64_t *addr, 146 uint32_t *data) 147 { 148 device_t parent = device_get_parent(bus); 149 150 return (PCIB_MAP_MSI(device_get_parent(parent), dev, irq, addr, data)); 151 } 152