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q35/ahci: Pick up -cdrom and -hda options 

This patch implements the backend for the Q35 board
for us to be able to pick up and use drives defined
by the -cdrom, -hda, or -drive if=ide shorthand options.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1412187569-23452-7-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
John Snow 2014-10-01 14:19:29 -04:00 committed by Stefan Hajnoczi
parent 6b9e03a4e7
commit d93162e13c
3 changed files with 21 additions and 0 deletions
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4
hw/i386/pc_q35.c
View File

@ -86,6 +86,7 @@ static void pc_q35_init(MachineState *machine)
DeviceState *icc_bridge;
PcGuestInfo *guest_info;
ram_addr_t lowmem;
DriveInfo *hd[MAX_SATA_PORTS];
/* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory
* and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping
@ -253,6 +254,9 @@ static void pc_q35_init(MachineState *machine)
true, "ich9-ahci");
idebus[0] = qdev_get_child_bus(&ahci->qdev, "ide.0");
idebus[1] = qdev_get_child_bus(&ahci->qdev, "ide.1");
g_assert_cmpint(MAX_SATA_PORTS, ==, ICH_AHCI(ahci)->ahci.ports);
ide_drive_get(hd, ICH_AHCI(ahci)->ahci.ports);
ahci_ide_create_devs(ahci, hd);
if (usb_enabled(false)) {
/* Should we create 6 UHCI according to ich9 spec? */

15
hw/ide/ahci.c
View File

@ -1419,3 +1419,18 @@ static void sysbus_ahci_register_types(void)
}
type_init(sysbus_ahci_register_types)
void ahci_ide_create_devs(PCIDevice *dev, DriveInfo **hd)
{
AHCIPCIState *d = ICH_AHCI(dev);
AHCIState *ahci = &d->ahci;
int i;
for (i = 0; i < ahci->ports; i++) {
if (hd[i] == NULL) {
continue;
}
ide_create_drive(&ahci->dev[i].port, 0, hd[i]);
}
}

2
hw/ide/ahci.h
View File

@ -332,4 +332,6 @@ void ahci_uninit(AHCIState *s);
void ahci_reset(AHCIState *s);
void ahci_ide_create_devs(PCIDevice *dev, DriveInfo **hd);
#endif /* HW_IDE_AHCI_H */