qemu/hw/ide/ich.c
Gerd Hoffmann b7ce1b27f6 ahci doesn't support migration
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-07-20 14:49:41 +02:00

149 lines
5.3 KiB
C

/*
* QEMU ICH Emulation
*
* Copyright (c) 2010 Sebastian Herbszt <herbszt@gmx.de>
* Copyright (c) 2010 Alexander Graf <agraf@suse.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*
* lspci dump of a ICH-9 real device
*
* 00:1f.2 SATA controller [0106]: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA AHCI Controller [8086:2922] (rev 02) (prog-if 01 [AHCI 1.0])
* Subsystem: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA AHCI Controller [8086:2922]
* Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
* Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
* Latency: 0
* Interrupt: pin B routed to IRQ 222
* Region 0: I/O ports at d000 [size=8]
* Region 1: I/O ports at cc00 [size=4]
* Region 2: I/O ports at c880 [size=8]
* Region 3: I/O ports at c800 [size=4]
* Region 4: I/O ports at c480 [size=32]
* Region 5: Memory at febf9000 (32-bit, non-prefetchable) [size=2K]
* Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Count=1/16 Enable+
* Address: fee0f00c Data: 41d9
* Capabilities: [70] Power Management version 3
* Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold-)
* Status: D0 PME-Enable- DSel=0 DScale=0 PME-
* Capabilities: [a8] SATA HBA <?>
* Capabilities: [b0] Vendor Specific Information <?>
* Kernel driver in use: ahci
* Kernel modules: ahci
* 00: 86 80 22 29 07 04 b0 02 02 01 06 01 00 00 00 00
* 10: 01 d0 00 00 01 cc 00 00 81 c8 00 00 01 c8 00 00
* 20: 81 c4 00 00 00 90 bf fe 00 00 00 00 86 80 22 29
* 30: 00 00 00 00 80 00 00 00 00 00 00 00 0f 02 00 00
* 40: 00 80 00 80 00 00 00 00 00 00 00 00 00 00 00 00
* 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
* 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
* 70: 01 a8 03 40 08 00 00 00 00 00 00 00 00 00 00 00
* 80: 05 70 09 00 0c f0 e0 fe d9 41 00 00 00 00 00 00
* 90: 40 00 0f 82 93 01 00 00 00 00 00 00 00 00 00 00
* a0: ac 00 00 00 0a 00 12 00 12 b0 10 00 48 00 00 00
* b0: 09 00 06 20 00 00 00 00 00 00 00 00 00 00 00 00
* c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
* d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
* e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
* f0: 00 00 00 00 00 00 00 00 86 0f 02 00 00 00 00 00
*
*/
#include <hw/hw.h>
#include <hw/msi.h>
#include <hw/pc.h>
#include <hw/pci.h>
#include <hw/isa.h>
#include "block.h"
#include "block_int.h"
#include "dma.h"
#include <hw/ide/pci.h>
#include <hw/ide/ahci.h>
static const VMStateDescription vmstate_ahci = {
.name = "ahci",
.unmigratable = 1,
};
static int pci_ich9_ahci_init(PCIDevice *dev)
{
struct AHCIPCIState *d;
d = DO_UPCAST(struct AHCIPCIState, card, dev);
ahci_init(&d->ahci, &dev->qdev, 6);
pci_config_set_prog_interface(d->card.config, AHCI_PROGMODE_MAJOR_REV_1);
d->card.config[PCI_CACHE_LINE_SIZE] = 0x08; /* Cache line size */
d->card.config[PCI_LATENCY_TIMER] = 0x00; /* Latency timer */
pci_config_set_interrupt_pin(d->card.config, 1);
/* XXX Software should program this register */
d->card.config[0x90] = 1 << 6; /* Address Map Register - AHCI mode */
qemu_register_reset(ahci_reset, d);
msi_init(dev, 0x50, 1, true, false);
d->ahci.irq = d->card.irq[0];
/* XXX BAR size should be 1k, but that breaks, so bump it to 4k for now */
pci_register_bar_simple(&d->card, 5, 0x1000, 0, d->ahci.mem);
return 0;
}
static int pci_ich9_uninit(PCIDevice *dev)
{
struct AHCIPCIState *d;
d = DO_UPCAST(struct AHCIPCIState, card, dev);
msi_uninit(dev);
qemu_unregister_reset(ahci_reset, d);
ahci_uninit(&d->ahci);
return 0;
}
static void pci_ich9_write_config(PCIDevice *pci, uint32_t addr,
uint32_t val, int len)
{
pci_default_write_config(pci, addr, val, len);
msi_write_config(pci, addr, val, len);
}
static PCIDeviceInfo ich_ahci_info[] = {
{
.qdev.name = "ich9-ahci",
.qdev.alias = "ahci",
.qdev.size = sizeof(AHCIPCIState),
.qdev.vmsd = &vmstate_ahci,
.init = pci_ich9_ahci_init,
.exit = pci_ich9_uninit,
.config_write = pci_ich9_write_config,
.vendor_id = PCI_VENDOR_ID_INTEL,
.device_id = PCI_DEVICE_ID_INTEL_82801IR,
.revision = 0x02,
.class_id = PCI_CLASS_STORAGE_SATA,
},{
/* end of list */
}
};
static void ich_ahci_register(void)
{
pci_qdev_register_many(ich_ahci_info);
}
device_init(ich_ahci_register);