Gerd Hoffmann | ec82026 | 2009-08-20 15:22:19 +0200 | [diff] [blame] | 1 | /* |
| 2 | * QEMU IDE Emulation: ISA Bus support. |
| 3 | * |
| 4 | * Copyright (c) 2003 Fabrice Bellard |
| 5 | * Copyright (c) 2006 Openedhand Ltd. |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 8 | * of this software and associated documentation files (the "Software"), to deal |
| 9 | * in the Software without restriction, including without limitation the rights |
| 10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 11 | * copies of the Software, and to permit persons to whom the Software is |
| 12 | * furnished to do so, subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice shall be included in |
| 15 | * all copies or substantial portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 23 | * THE SOFTWARE. |
| 24 | */ |
Markus Armbruster | 0b8fa32 | 2019-05-23 16:35:07 +0200 | [diff] [blame] | 25 | |
Peter Maydell | 5323926 | 2016-01-26 18:17:09 +0000 | [diff] [blame] | 26 | #include "qemu/osdep.h" |
Markus Armbruster | a9c9427 | 2016-06-22 19:11:19 +0200 | [diff] [blame] | 27 | #include "hw/isa/isa.h" |
Markus Armbruster | a27bd6c | 2019-08-12 07:23:51 +0200 | [diff] [blame] | 28 | #include "hw/qdev-properties.h" |
Markus Armbruster | d645427 | 2019-08-12 07:23:45 +0200 | [diff] [blame] | 29 | #include "migration/vmstate.h" |
Markus Armbruster | 96927c7 | 2020-06-10 07:32:08 +0200 | [diff] [blame] | 30 | #include "qapi/error.h" |
Markus Armbruster | 0b8fa32 | 2019-05-23 16:35:07 +0200 | [diff] [blame] | 31 | #include "qemu/module.h" |
Paolo Bonzini | 9c17d61 | 2012-12-17 18:20:04 +0100 | [diff] [blame] | 32 | #include "sysemu/dma.h" |
Gerd Hoffmann | 59f2a78 | 2009-08-20 15:22:26 +0200 | [diff] [blame] | 33 | |
Philippe Mathieu-Daudé | 794093e | 2023-02-09 23:26:36 +0100 | [diff] [blame] | 34 | #include "hw/ide/isa.h" |
Eduardo Habkost | db1015e | 2020-09-03 16:43:22 -0400 | [diff] [blame] | 35 | #include "qom/object.h" |
Philippe Mathieu-Daudé | 0316482 | 2024-02-25 18:08:39 +0100 | [diff] [blame] | 36 | #include "ide-internal.h" |
Gerd Hoffmann | ec82026 | 2009-08-20 15:22:19 +0200 | [diff] [blame] | 37 | |
| 38 | /***********************************************************/ |
| 39 | /* ISA IDE definitions */ |
| 40 | |
Eduardo Habkost | db1015e | 2020-09-03 16:43:22 -0400 | [diff] [blame] | 41 | struct ISAIDEState { |
Andreas Färber | 2f12688 | 2013-04-27 22:18:41 +0200 | [diff] [blame] | 42 | ISADevice parent_obj; |
| 43 | |
Gerd Hoffmann | 1f850f1 | 2009-09-16 22:25:30 +0200 | [diff] [blame] | 44 | IDEBus bus; |
Gerd Hoffmann | dea21e9 | 2009-09-15 20:05:00 +0000 | [diff] [blame] | 45 | uint32_t iobase; |
| 46 | uint32_t iobase2; |
Philippe Mathieu-Daudé | 794093e | 2023-02-09 23:26:36 +0100 | [diff] [blame] | 47 | uint32_t irqnum; |
Eduardo Habkost | db1015e | 2020-09-03 16:43:22 -0400 | [diff] [blame] | 48 | }; |
Gerd Hoffmann | cebbe6d | 2009-08-20 15:22:24 +0200 | [diff] [blame] | 49 | |
Blue Swirl | 4a64356 | 2009-11-07 14:13:05 +0000 | [diff] [blame] | 50 | static void isa_ide_reset(DeviceState *d) |
| 51 | { |
Andreas Färber | 2f12688 | 2013-04-27 22:18:41 +0200 | [diff] [blame] | 52 | ISAIDEState *s = ISA_IDE(d); |
Blue Swirl | 4a64356 | 2009-11-07 14:13:05 +0000 | [diff] [blame] | 53 | |
| 54 | ide_bus_reset(&s->bus); |
| 55 | } |
| 56 | |
Juan Quintela | 200ab5e | 2009-10-07 19:01:50 +0200 | [diff] [blame] | 57 | static const VMStateDescription vmstate_ide_isa = { |
| 58 | .name = "isa-ide", |
| 59 | .version_id = 3, |
| 60 | .minimum_version_id = 0, |
Richard Henderson | 8595c05 | 2023-12-21 14:16:13 +1100 | [diff] [blame] | 61 | .fields = (const VMStateField[]) { |
Juan Quintela | 200ab5e | 2009-10-07 19:01:50 +0200 | [diff] [blame] | 62 | VMSTATE_IDE_BUS(bus, ISAIDEState), |
| 63 | VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState), |
| 64 | VMSTATE_END_OF_LIST() |
| 65 | } |
| 66 | }; |
Gerd Hoffmann | cebbe6d | 2009-08-20 15:22:24 +0200 | [diff] [blame] | 67 | |
Andreas Färber | db895a1 | 2012-11-25 02:37:14 +0100 | [diff] [blame] | 68 | static void isa_ide_realizefn(DeviceState *dev, Error **errp) |
Gerd Hoffmann | ec82026 | 2009-08-20 15:22:19 +0200 | [diff] [blame] | 69 | { |
Andreas Färber | db895a1 | 2012-11-25 02:37:14 +0100 | [diff] [blame] | 70 | ISADevice *isadev = ISA_DEVICE(dev); |
Andreas Färber | 2f12688 | 2013-04-27 22:18:41 +0200 | [diff] [blame] | 71 | ISAIDEState *s = ISA_IDE(dev); |
Gerd Hoffmann | dea21e9 | 2009-09-15 20:05:00 +0000 | [diff] [blame] | 72 | |
Peter Maydell | 82c74ac | 2021-09-23 13:11:53 +0100 | [diff] [blame] | 73 | ide_bus_init(&s->bus, sizeof(s->bus), dev, 0, 2); |
Andreas Färber | db895a1 | 2012-11-25 02:37:14 +0100 | [diff] [blame] | 74 | ide_init_ioport(&s->bus, isadev, s->iobase, s->iobase2); |
Philippe Mathieu-Daudé | c951963 | 2023-02-09 11:27:23 +0100 | [diff] [blame] | 75 | ide_bus_init_output_irq(&s->bus, isa_get_irq(isadev, s->irqnum)); |
Juan Quintela | 1f52c7a | 2023-10-20 11:07:21 +0200 | [diff] [blame] | 76 | vmstate_register_any(VMSTATE_IF(dev), &vmstate_ide_isa, s); |
Philippe Mathieu-Daudé | e29b124 | 2023-02-14 16:33:38 +0100 | [diff] [blame] | 77 | ide_bus_register_restart_cb(&s->bus); |
Paolo Bonzini | d32c76b | 2015-02-23 11:18:02 -0500 | [diff] [blame] | 78 | } |
Gerd Hoffmann | dea21e9 | 2009-09-15 20:05:00 +0000 | [diff] [blame] | 79 | |
Philippe Mathieu-Daudé | 794093e | 2023-02-09 23:26:36 +0100 | [diff] [blame] | 80 | ISADevice *isa_ide_init(ISABus *bus, int iobase, int iobase2, int irqnum, |
Markus Armbruster | 57c8886 | 2010-06-24 19:59:29 +0200 | [diff] [blame] | 81 | DriveInfo *hd0, DriveInfo *hd1) |
Gerd Hoffmann | dea21e9 | 2009-09-15 20:05:00 +0000 | [diff] [blame] | 82 | { |
Andreas Färber | 2f12688 | 2013-04-27 22:18:41 +0200 | [diff] [blame] | 83 | DeviceState *dev; |
| 84 | ISADevice *isadev; |
Gerd Hoffmann | cebbe6d | 2009-08-20 15:22:24 +0200 | [diff] [blame] | 85 | ISAIDEState *s; |
Gerd Hoffmann | ec82026 | 2009-08-20 15:22:19 +0200 | [diff] [blame] | 86 | |
Markus Armbruster | 96927c7 | 2020-06-10 07:32:08 +0200 | [diff] [blame] | 87 | isadev = isa_new(TYPE_ISA_IDE); |
Andreas Färber | 2f12688 | 2013-04-27 22:18:41 +0200 | [diff] [blame] | 88 | dev = DEVICE(isadev); |
| 89 | qdev_prop_set_uint32(dev, "iobase", iobase); |
| 90 | qdev_prop_set_uint32(dev, "iobase2", iobase2); |
Philippe Mathieu-Daudé | 794093e | 2023-02-09 23:26:36 +0100 | [diff] [blame] | 91 | qdev_prop_set_uint32(dev, "irq", irqnum); |
Markus Armbruster | 96927c7 | 2020-06-10 07:32:08 +0200 | [diff] [blame] | 92 | isa_realize_and_unref(isadev, bus, &error_fatal); |
Gerd Hoffmann | ec82026 | 2009-08-20 15:22:19 +0200 | [diff] [blame] | 93 | |
Andreas Färber | 2f12688 | 2013-04-27 22:18:41 +0200 | [diff] [blame] | 94 | s = ISA_IDE(dev); |
| 95 | if (hd0) { |
Philippe Mathieu-Daudé | b6a5ab2 | 2023-02-09 11:31:51 +0100 | [diff] [blame] | 96 | ide_bus_create_drive(&s->bus, 0, hd0); |
Andreas Färber | 2f12688 | 2013-04-27 22:18:41 +0200 | [diff] [blame] | 97 | } |
| 98 | if (hd1) { |
Philippe Mathieu-Daudé | b6a5ab2 | 2023-02-09 11:31:51 +0100 | [diff] [blame] | 99 | ide_bus_create_drive(&s->bus, 1, hd1); |
Andreas Färber | 2f12688 | 2013-04-27 22:18:41 +0200 | [diff] [blame] | 100 | } |
| 101 | return isadev; |
Gerd Hoffmann | ec82026 | 2009-08-20 15:22:19 +0200 | [diff] [blame] | 102 | } |
Gerd Hoffmann | dea21e9 | 2009-09-15 20:05:00 +0000 | [diff] [blame] | 103 | |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 104 | static Property isa_ide_properties[] = { |
Paolo Bonzini | c7bcc85 | 2014-02-08 11:01:53 +0100 | [diff] [blame] | 105 | DEFINE_PROP_UINT32("iobase", ISAIDEState, iobase, 0x1f0), |
| 106 | DEFINE_PROP_UINT32("iobase2", ISAIDEState, iobase2, 0x3f6), |
Philippe Mathieu-Daudé | 794093e | 2023-02-09 23:26:36 +0100 | [diff] [blame] | 107 | DEFINE_PROP_UINT32("irq", ISAIDEState, irqnum, 14), |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 108 | DEFINE_PROP_END_OF_LIST(), |
| 109 | }; |
| 110 | |
Anthony Liguori | 8f04ee0 | 2011-12-04 11:52:49 -0600 | [diff] [blame] | 111 | static void isa_ide_class_initfn(ObjectClass *klass, void *data) |
| 112 | { |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 113 | DeviceClass *dc = DEVICE_CLASS(klass); |
Andreas Färber | db895a1 | 2012-11-25 02:37:14 +0100 | [diff] [blame] | 114 | |
| 115 | dc->realize = isa_ide_realizefn; |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 116 | dc->fw_name = "ide"; |
Peter Maydell | e3d0814 | 2024-09-13 15:31:44 +0100 | [diff] [blame] | 117 | device_class_set_legacy_reset(dc, isa_ide_reset); |
Marc-André Lureau | 4f67d30 | 2020-01-10 19:30:32 +0400 | [diff] [blame] | 118 | device_class_set_props(dc, isa_ide_properties); |
Marcel Apfelbaum | 125ee0e | 2013-07-29 17:17:45 +0300 | [diff] [blame] | 119 | set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); |
Anthony Liguori | 8f04ee0 | 2011-12-04 11:52:49 -0600 | [diff] [blame] | 120 | } |
| 121 | |
Andreas Färber | 8c43a6f | 2013-01-10 16:19:07 +0100 | [diff] [blame] | 122 | static const TypeInfo isa_ide_info = { |
Andreas Färber | 2f12688 | 2013-04-27 22:18:41 +0200 | [diff] [blame] | 123 | .name = TYPE_ISA_IDE, |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 124 | .parent = TYPE_ISA_DEVICE, |
| 125 | .instance_size = sizeof(ISAIDEState), |
| 126 | .class_init = isa_ide_class_initfn, |
Gerd Hoffmann | dea21e9 | 2009-09-15 20:05:00 +0000 | [diff] [blame] | 127 | }; |
| 128 | |
Andreas Färber | 83f7d43 | 2012-02-09 15:20:55 +0100 | [diff] [blame] | 129 | static void isa_ide_register_types(void) |
Gerd Hoffmann | dea21e9 | 2009-09-15 20:05:00 +0000 | [diff] [blame] | 130 | { |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 131 | type_register_static(&isa_ide_info); |
Gerd Hoffmann | dea21e9 | 2009-09-15 20:05:00 +0000 | [diff] [blame] | 132 | } |
| 133 | |
Andreas Färber | 83f7d43 | 2012-02-09 15:20:55 +0100 | [diff] [blame] | 134 | type_init(isa_ide_register_types) |