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/*
* 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 2.1 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 "qemu/osdep.h"
#include "hw/pci/msi.h"
#include "hw/pci/pci.h"
#include "migration/vmstate.h"
#include "qemu/module.h"
#include "hw/isa/isa.h"
#include "sysemu/dma.h"
#include "hw/ide/pci.h"
#include "hw/ide/ahci-pci.h"
#include "ahci-internal.h"
#define ICH9_MSI_CAP_OFFSET 0x80
#define ICH9_SATA_CAP_OFFSET 0xA8
#define ICH9_IDP_BAR 4
#define ICH9_MEM_BAR 5
#define ICH9_IDP_INDEX 0x10
#define ICH9_IDP_INDEX_LOG2 0x04
static const VMStateDescription vmstate_ich9_ahci = {
.name = "ich9_ahci",
.version_id = 1,
.fields = (const VMStateField[]) {
VMSTATE_PCI_DEVICE(parent_obj, AHCIPCIState),
VMSTATE_AHCI(ahci, AHCIPCIState),
VMSTATE_END_OF_LIST()
},
};
static void pci_ich9_ahci_update_irq(void *opaque, int irq_num, int level)
{
PCIDevice *pci_dev = opaque;
if (msi_enabled(pci_dev)) {
if (level) {
msi_notify(pci_dev, 0);
}
} else {
pci_set_irq(pci_dev, level);
}
}
static void pci_ich9_reset(DeviceState *dev)
{
AHCIPCIState *d = ICH9_AHCI(dev);
ahci_reset(&d->ahci);
}
static void pci_ich9_ahci_init(Object *obj)
{
AHCIPCIState *d = ICH9_AHCI(obj);
qemu_init_irq(&d->irq, pci_ich9_ahci_update_irq, d, 0);
ahci_init(&d->ahci, DEVICE(obj));
d->ahci.irq = &d->irq;
}
static void pci_ich9_ahci_realize(PCIDevice *dev, Error **errp)
{
AHCIPCIState *d;
int sata_cap_offset;
uint8_t *sata_cap;
d = ICH9_AHCI(dev);
int ret;
d->ahci.ports = 6;
ahci_realize(&d->ahci, DEVICE(dev), pci_get_address_space(dev));
pci_config_set_prog_interface(dev->config, AHCI_PROGMODE_MAJOR_REV_1);
dev->config[PCI_CACHE_LINE_SIZE] = 0x08; /* Cache line size */
dev->config[PCI_LATENCY_TIMER] = 0x00; /* Latency timer */
pci_config_set_interrupt_pin(dev->config, 1);
/* XXX Software should program this register */
dev->config[0x90] = 1 << 6; /* Address Map Register - AHCI mode */
pci_register_bar(dev, ICH9_IDP_BAR, PCI_BASE_ADDRESS_SPACE_IO,
&d->ahci.idp);
pci_register_bar(dev, ICH9_MEM_BAR, PCI_BASE_ADDRESS_SPACE_MEMORY,
&d->ahci.mem);
sata_cap_offset = pci_add_capability(dev, PCI_CAP_ID_SATA,
ICH9_SATA_CAP_OFFSET, SATA_CAP_SIZE,
errp);
if (sata_cap_offset < 0) {
return;
}
sata_cap = dev->config + sata_cap_offset;
pci_set_word(sata_cap + SATA_CAP_REV, 0x10);
pci_set_long(sata_cap + SATA_CAP_BAR,
(ICH9_IDP_BAR + 0x4) | (ICH9_IDP_INDEX_LOG2 << 4));
d->ahci.idp_offset = ICH9_IDP_INDEX;
/* Although the AHCI 1.3 specification states that the first capability
* should be PMCAP, the Intel ICH9 data sheet specifies that the ICH9
* AHCI device puts the MSI capability first, pointing to 0x80. */
ret = msi_init(dev, ICH9_MSI_CAP_OFFSET, 1, true, false, NULL);
/* Any error other than -ENOTSUP(board's MSI support is broken)
* is a programming error. Fall back to INTx silently on -ENOTSUP */
assert(!ret || ret == -ENOTSUP);
}
static void pci_ich9_uninit(PCIDevice *dev)
{
AHCIPCIState *d;
d = ICH9_AHCI(dev);
msi_uninit(dev);
ahci_uninit(&d->ahci);
}
static void ich_ahci_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
k->realize = pci_ich9_ahci_realize;
k->exit = pci_ich9_uninit;
k->vendor_id = PCI_VENDOR_ID_INTEL;
k->device_id = PCI_DEVICE_ID_INTEL_82801IR;
k->revision = 0x02;
k->class_id = PCI_CLASS_STORAGE_SATA;
dc->vmsd = &vmstate_ich9_ahci;
device_class_set_legacy_reset(dc, pci_ich9_reset);
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
}
static const TypeInfo ich_ahci_info = {
.name = TYPE_ICH9_AHCI,
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(AHCIPCIState),
.instance_init = pci_ich9_ahci_init,
.class_init = ich_ahci_class_init,
.interfaces = (InterfaceInfo[]) {
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
{ },
},
};
static void ich_ahci_register_types(void)
{
type_register_static(&ich_ahci_info);
}
type_init(ich_ahci_register_types)
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