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Annotation of qemu/hw/ide/isa.c, revision 1.1.1.2

1.1       root        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:  */
                     25: #include <hw/hw.h>
                     26: #include <hw/pc.h>
                     27: #include <hw/isa.h>
                     28: #include "block.h"
                     29: #include "block_int.h"
                     30: #include "sysemu.h"
                     31: #include "dma.h"
                     32: 
                     33: #include <hw/ide/internal.h>
                     34: 
                     35: /***********************************************************/
                     36: /* ISA IDE definitions */
                     37: 
                     38: typedef struct ISAIDEState {
                     39:     ISADevice dev;
                     40:     IDEBus    bus;
                     41:     uint32_t  iobase;
                     42:     uint32_t  iobase2;
                     43:     uint32_t  isairq;
                     44:     qemu_irq  irq;
                     45: } ISAIDEState;
                     46: 
                     47: static void isa_ide_reset(DeviceState *d)
                     48: {
                     49:     ISAIDEState *s = container_of(d, ISAIDEState, dev.qdev);
                     50: 
                     51:     ide_bus_reset(&s->bus);
                     52: }
                     53: 
                     54: static const VMStateDescription vmstate_ide_isa = {
                     55:     .name = "isa-ide",
                     56:     .version_id = 3,
                     57:     .minimum_version_id = 0,
                     58:     .minimum_version_id_old = 0,
                     59:     .fields      = (VMStateField []) {
                     60:         VMSTATE_IDE_BUS(bus, ISAIDEState),
                     61:         VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState),
                     62:         VMSTATE_END_OF_LIST()
                     63:     }
                     64: };
                     65: 
                     66: static int isa_ide_initfn(ISADevice *dev)
                     67: {
                     68:     ISAIDEState *s = DO_UPCAST(ISAIDEState, dev, dev);
                     69: 
                     70:     ide_bus_new(&s->bus, &s->dev.qdev);
                     71:     ide_init_ioport(&s->bus, s->iobase, s->iobase2);
                     72:     isa_init_irq(dev, &s->irq, s->isairq);
1.1.1.2 ! root       73:     ide_init2(&s->bus, s->irq);
        !            74:     vmstate_register(&dev->qdev, 0, &vmstate_ide_isa, s);
1.1       root       75:     return 0;
                     76: };
                     77: 
1.1.1.2 ! root       78: ISADevice *isa_ide_init(int iobase, int iobase2, int isairq,
        !            79:                         DriveInfo *hd0, DriveInfo *hd1)
1.1       root       80: {
                     81:     ISADevice *dev;
                     82:     ISAIDEState *s;
                     83: 
                     84:     dev = isa_create("isa-ide");
                     85:     qdev_prop_set_uint32(&dev->qdev, "iobase",  iobase);
                     86:     qdev_prop_set_uint32(&dev->qdev, "iobase2", iobase2);
                     87:     qdev_prop_set_uint32(&dev->qdev, "irq",     isairq);
                     88:     if (qdev_init(&dev->qdev) < 0)
1.1.1.2 ! root       89:         return NULL;
1.1       root       90: 
                     91:     s = DO_UPCAST(ISAIDEState, dev, dev);
                     92:     if (hd0)
                     93:         ide_create_drive(&s->bus, 0, hd0);
                     94:     if (hd1)
                     95:         ide_create_drive(&s->bus, 1, hd1);
1.1.1.2 ! root       96:     return dev;
1.1       root       97: }
                     98: 
                     99: static ISADeviceInfo isa_ide_info = {
                    100:     .qdev.name  = "isa-ide",
                    101:     .qdev.size  = sizeof(ISAIDEState),
                    102:     .init       = isa_ide_initfn,
                    103:     .qdev.reset = isa_ide_reset,
                    104:     .qdev.props = (Property[]) {
                    105:         DEFINE_PROP_HEX32("iobase",  ISAIDEState, iobase,  0x1f0),
                    106:         DEFINE_PROP_HEX32("iobase2", ISAIDEState, iobase2, 0x3f6),
                    107:         DEFINE_PROP_UINT32("irq",    ISAIDEState, isairq,  14),
                    108:         DEFINE_PROP_END_OF_LIST(),
                    109:     },
                    110: };
                    111: 
                    112: static void isa_ide_register_devices(void)
                    113: {
                    114:     isa_qdev_register(&isa_ide_info);
                    115: }
                    116: 
                    117: device_init(isa_ide_register_devices)

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