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author | Kevin Wolf <kwolf@redhat.com> | 2013-05-06 15:58:04 +0200 |
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committer | Kevin Wolf <kwolf@redhat.com> | 2013-05-08 15:28:49 +0200 |
commit | 0ee20e665840d8a887c145b368ee121cb86a028e (patch) | |
tree | 6908ec6f1357c52a71c71896699e7e03ce8d0496 /hw/ide | |
parent | 15d23fb96656b1ae31bf4305b2108230c29298c6 (diff) | |
download | qemu-0ee20e665840d8a887c145b368ee121cb86a028e.zip qemu-0ee20e665840d8a887c145b368ee121cb86a028e.tar.gz qemu-0ee20e665840d8a887c145b368ee121cb86a028e.tar.bz2 |
ahci: Don't allow creating slave drives
An IDE bus provided by AHCI can only take a single IDE drive. If you add
a drive as slave, qemu used to accept the command line but the device
wouldn't be actually usable. Catch the situation instead and error out.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw/ide')
-rw-r--r-- | hw/ide/ahci.c | 2 | ||||
-rw-r--r-- | hw/ide/cmd646.c | 2 | ||||
-rw-r--r-- | hw/ide/internal.h | 3 | ||||
-rw-r--r-- | hw/ide/isa.c | 2 | ||||
-rw-r--r-- | hw/ide/macio.c | 2 | ||||
-rw-r--r-- | hw/ide/mmio.c | 2 | ||||
-rw-r--r-- | hw/ide/piix.c | 2 | ||||
-rw-r--r-- | hw/ide/qdev.c | 10 | ||||
-rw-r--r-- | hw/ide/via.c | 2 |
9 files changed, 18 insertions, 9 deletions
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index 3405583..eab6096 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -1163,7 +1163,7 @@ void ahci_init(AHCIState *s, DeviceState *qdev, DMAContext *dma, int ports) for (i = 0; i < s->ports; i++) { AHCIDevice *ad = &s->dev[i]; - ide_bus_new(&ad->port, qdev, i); + ide_bus_new(&ad->port, qdev, i, 1); ide_init2(&ad->port, irqs[i]); ad->hba = s; diff --git a/hw/ide/cmd646.c b/hw/ide/cmd646.c index 541d4ef..a73eb9a 100644 --- a/hw/ide/cmd646.c +++ b/hw/ide/cmd646.c @@ -281,7 +281,7 @@ static int pci_cmd646_ide_initfn(PCIDevice *dev) irq = qemu_allocate_irqs(cmd646_set_irq, d, 2); for (i = 0; i < 2; i++) { - ide_bus_new(&d->bus[i], &d->dev.qdev, i); + ide_bus_new(&d->bus[i], &d->dev.qdev, i, 2); ide_init2(&d->bus[i], irq[i]); bmdma_init(&d->bus[i], &d->bmdma[i], d); diff --git a/hw/ide/internal.h b/hw/ide/internal.h index 0efb2da..03f1489 100644 --- a/hw/ide/internal.h +++ b/hw/ide/internal.h @@ -450,6 +450,7 @@ struct IDEBus { IDEDevice *slave; IDEState ifs[2]; int bus_id; + int max_units; IDEDMA *dma; uint8_t unit; uint8_t cmd; @@ -574,7 +575,7 @@ void ide_atapi_cmd(IDEState *s); void ide_atapi_cmd_reply_end(IDEState *s); /* hw/ide/qdev.c */ -void ide_bus_new(IDEBus *idebus, DeviceState *dev, int bus_id); +void ide_bus_new(IDEBus *idebus, DeviceState *dev, int bus_id, int max_units); IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive); #endif /* HW_IDE_INTERNAL_H */ diff --git a/hw/ide/isa.c b/hw/ide/isa.c index 5e7422f..369a7fa 100644 --- a/hw/ide/isa.c +++ b/hw/ide/isa.c @@ -69,7 +69,7 @@ static int isa_ide_initfn(ISADevice *dev) { ISAIDEState *s = ISA_IDE(dev); - ide_bus_new(&s->bus, DEVICE(dev), 0); + ide_bus_new(&s->bus, DEVICE(dev), 0, 2); ide_init_ioport(&s->bus, dev, s->iobase, s->iobase2); isa_init_irq(dev, &s->irq, s->isairq); ide_init2(&s->bus, s->irq); diff --git a/hw/ide/macio.c b/hw/ide/macio.c index 64b2406..bf12a10 100644 --- a/hw/ide/macio.c +++ b/hw/ide/macio.c @@ -334,7 +334,7 @@ static void macio_ide_initfn(Object *obj) SysBusDevice *d = SYS_BUS_DEVICE(obj); MACIOIDEState *s = MACIO_IDE(obj); - ide_bus_new(&s->bus, DEVICE(obj), 0); + ide_bus_new(&s->bus, DEVICE(obj), 0, 2); memory_region_init_io(&s->mem, &pmac_ide_ops, s, "pmac-ide", 0x1000); sysbus_init_mmio(d, &s->mem); sysbus_init_irq(d, &s->irq); diff --git a/hw/ide/mmio.c b/hw/ide/mmio.c index ce88c3a..e80e7e5 100644 --- a/hw/ide/mmio.c +++ b/hw/ide/mmio.c @@ -137,7 +137,7 @@ static void mmio_ide_initfn(Object *obj) SysBusDevice *d = SYS_BUS_DEVICE(obj); MMIOState *s = MMIO_IDE(obj); - ide_bus_new(&s->bus, DEVICE(obj), 0); + ide_bus_new(&s->bus, DEVICE(obj), 0, 2); sysbus_init_irq(d, &s->irq); } diff --git a/hw/ide/piix.c b/hw/ide/piix.c index 1de284d..bf2856f 100644 --- a/hw/ide/piix.c +++ b/hw/ide/piix.c @@ -135,7 +135,7 @@ static void pci_piix_init_ports(PCIIDEState *d) { int i; for (i = 0; i < 2; i++) { - ide_bus_new(&d->bus[i], &d->dev.qdev, i); + ide_bus_new(&d->bus[i], &d->dev.qdev, i, 2); ide_init_ioport(&d->bus[i], NULL, port_info[i].iobase, port_info[i].iobase2); ide_init2(&d->bus[i], isa_get_irq(NULL, port_info[i].isairq)); diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c index 8a9a891..6a272b0 100644 --- a/hw/ide/qdev.c +++ b/hw/ide/qdev.c @@ -47,10 +47,11 @@ static const TypeInfo ide_bus_info = { .class_init = ide_bus_class_init, }; -void ide_bus_new(IDEBus *idebus, DeviceState *dev, int bus_id) +void ide_bus_new(IDEBus *idebus, DeviceState *dev, int bus_id, int max_units) { qbus_create_inplace(&idebus->qbus, TYPE_IDE_BUS, dev, NULL); idebus->bus_id = bus_id; + idebus->max_units = max_units; } static char *idebus_get_fw_dev_path(DeviceState *dev) @@ -76,6 +77,13 @@ static int ide_qdev_init(DeviceState *qdev) if (dev->unit == -1) { dev->unit = bus->master ? 1 : 0; } + + if (dev->unit >= bus->max_units) { + error_report("Can't create IDE unit %d, bus supports only %d units", + dev->unit, bus->max_units); + goto err; + } + switch (dev->unit) { case 0: if (bus->master) { diff --git a/hw/ide/via.c b/hw/ide/via.c index 9d6a644..5fe053c 100644 --- a/hw/ide/via.c +++ b/hw/ide/via.c @@ -158,7 +158,7 @@ static void vt82c686b_init_ports(PCIIDEState *d) { int i; for (i = 0; i < 2; i++) { - ide_bus_new(&d->bus[i], &d->dev.qdev, i); + ide_bus_new(&d->bus[i], &d->dev.qdev, i, 2); ide_init_ioport(&d->bus[i], NULL, port_info[i].iobase, port_info[i].iobase2); ide_init2(&d->bus[i], isa_get_irq(NULL, port_info[i].isairq)); |