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/*
* libqos PCI bindings for PC
*
* Copyright IBM, Corp. 2012-2013
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "libqtest.h"
#include "libqos/pci-pc.h"
#include "qapi/qmp/qdict.h"
#include "hw/pci/pci_regs.h"
#include "qemu/module.h"
#define ACPI_PCIHP_ADDR 0xae00
#define PCI_EJ_BASE 0x0008
static uint8_t qpci_pc_pio_readb(QPCIBus *bus, uint32_t addr)
{
return qtest_inb(bus->qts, addr);
}
static void qpci_pc_pio_writeb(QPCIBus *bus, uint32_t addr, uint8_t val)
{
qtest_outb(bus->qts, addr, val);
}
static uint16_t qpci_pc_pio_readw(QPCIBus *bus, uint32_t addr)
{
return qtest_inw(bus->qts, addr);
}
static void qpci_pc_pio_writew(QPCIBus *bus, uint32_t addr, uint16_t val)
{
qtest_outw(bus->qts, addr, val);
}
static uint32_t qpci_pc_pio_readl(QPCIBus *bus, uint32_t addr)
{
return qtest_inl(bus->qts, addr);
}
static void qpci_pc_pio_writel(QPCIBus *bus, uint32_t addr, uint32_t val)
{
qtest_outl(bus->qts, addr, val);
}
static uint64_t qpci_pc_pio_readq(QPCIBus *bus, uint32_t addr)
{
return (uint64_t)qtest_inl(bus->qts, addr) +
((uint64_t)qtest_inl(bus->qts, addr + 4) << 32);
}
static void qpci_pc_pio_writeq(QPCIBus *bus, uint32_t addr, uint64_t val)
{
qtest_outl(bus->qts, addr, val & 0xffffffff);
qtest_outl(bus->qts, addr + 4, val >> 32);
}
static void qpci_pc_memread(QPCIBus *bus, uint32_t addr, void *buf, size_t len)
{
qtest_memread(bus->qts, addr, buf, len);
}
static void qpci_pc_memwrite(QPCIBus *bus, uint32_t addr,
const void *buf, size_t len)
{
qtest_memwrite(bus->qts, addr, buf, len);
}
static uint8_t qpci_pc_config_readb(QPCIBus *bus, int devfn, uint8_t offset)
{
qtest_outl(bus->qts, 0xcf8, (1U << 31) | (devfn << 8) | offset);
return qtest_inb(bus->qts, 0xcfc);
}
static uint16_t qpci_pc_config_readw(QPCIBus *bus, int devfn, uint8_t offset)
{
qtest_outl(bus->qts, 0xcf8, (1U << 31) | (devfn << 8) | offset);
return qtest_inw(bus->qts, 0xcfc);
}
static uint32_t qpci_pc_config_readl(QPCIBus *bus, int devfn, uint8_t offset)
{
qtest_outl(bus->qts, 0xcf8, (1U << 31) | (devfn << 8) | offset);
return qtest_inl(bus->qts, 0xcfc);
}
static void qpci_pc_config_writeb(QPCIBus *bus, int devfn, uint8_t offset, uint8_t value)
{
qtest_outl(bus->qts, 0xcf8, (1U << 31) | (devfn << 8) | offset);
qtest_outb(bus->qts, 0xcfc, value);
}
static void qpci_pc_config_writew(QPCIBus *bus, int devfn, uint8_t offset, uint16_t value)
{
qtest_outl(bus->qts, 0xcf8, (1U << 31) | (devfn << 8) | offset);
qtest_outw(bus->qts, 0xcfc, value);
}
static void qpci_pc_config_writel(QPCIBus *bus, int devfn, uint8_t offset, uint32_t value)
{
qtest_outl(bus->qts, 0xcf8, (1U << 31) | (devfn << 8) | offset);
qtest_outl(bus->qts, 0xcfc, value);
}
static void *qpci_pc_get_driver(void *obj, const char *interface)
{
QPCIBusPC *qpci = obj;
if (!g_strcmp0(interface, "pci-bus")) {
return &qpci->bus;
}
fprintf(stderr, "%s not present in pci-bus-pc\n", interface);
g_assert_not_reached();
}
void qpci_init_pc(QPCIBusPC *qpci, QTestState *qts, QGuestAllocator *alloc)
{
assert(qts);
/* tests can use pci-bus */
qpci->bus.has_buggy_msi = false;
qpci->bus.pio_readb = qpci_pc_pio_readb;
qpci->bus.pio_readw = qpci_pc_pio_readw;
qpci->bus.pio_readl = qpci_pc_pio_readl;
qpci->bus.pio_readq = qpci_pc_pio_readq;
qpci->bus.pio_writeb = qpci_pc_pio_writeb;
qpci->bus.pio_writew = qpci_pc_pio_writew;
qpci->bus.pio_writel = qpci_pc_pio_writel;
qpci->bus.pio_writeq = qpci_pc_pio_writeq;
qpci->bus.memread = qpci_pc_memread;
qpci->bus.memwrite = qpci_pc_memwrite;
qpci->bus.config_readb = qpci_pc_config_readb;
qpci->bus.config_readw = qpci_pc_config_readw;
qpci->bus.config_readl = qpci_pc_config_readl;
qpci->bus.config_writeb = qpci_pc_config_writeb;
qpci->bus.config_writew = qpci_pc_config_writew;
qpci->bus.config_writel = qpci_pc_config_writel;
qpci->bus.qts = qts;
qpci->bus.pio_alloc_ptr = 0xc000;
qpci->bus.mmio_alloc_ptr = 0xE0000000;
qpci->bus.mmio_limit = 0x100000000ULL;
qpci->obj.get_driver = qpci_pc_get_driver;
}
QPCIBus *qpci_new_pc(QTestState *qts, QGuestAllocator *alloc)
{
QPCIBusPC *qpci = g_new0(QPCIBusPC, 1);
qpci_init_pc(qpci, qts, alloc);
return &qpci->bus;
}
void qpci_free_pc(QPCIBus *bus)
{
QPCIBusPC *s;
if (!bus) {
return;
}
s = container_of(bus, QPCIBusPC, bus);
g_free(s);
}
void qpci_unplug_acpi_device_test(QTestState *qts, const char *id, uint8_t slot)
{
QDict *response;
response = qtest_qmp(qts, "{'execute': 'device_del',"
" 'arguments': {'id': %s}}", id);
g_assert(response);
g_assert(!qdict_haskey(response, "error"));
qobject_unref(response);
qtest_outl(qts, ACPI_PCIHP_ADDR + PCI_EJ_BASE, 1 << slot);
qtest_qmp_eventwait(qts, "DEVICE_DELETED");
}
static void qpci_pc_register_nodes(void)
{
qos_node_create_driver("pci-bus-pc", NULL);
qos_node_produces("pci-bus-pc", "pci-bus");
}
libqos_init(qpci_pc_register_nodes);
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