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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-common.h"
#define ACPI_PCIHP_ADDR 0xae00
#define PCI_EJ_BASE 0x0008
typedef struct QPCIBusPC
{
QPCIBus bus;
} QPCIBusPC;
static uint8_t qpci_pc_pio_readb(QPCIBus *bus, uint32_t addr)
{
return inb(addr);
}
static void qpci_pc_pio_writeb(QPCIBus *bus, uint32_t addr, uint8_t val)
{
outb(addr, val);
}
static uint16_t qpci_pc_pio_readw(QPCIBus *bus, uint32_t addr)
{
return inw(addr);
}
static void qpci_pc_pio_writew(QPCIBus *bus, uint32_t addr, uint16_t val)
{
outw(addr, val);
}
static uint32_t qpci_pc_pio_readl(QPCIBus *bus, uint32_t addr)
{
return inl(addr);
}
static void qpci_pc_pio_writel(QPCIBus *bus, uint32_t addr, uint32_t val)
{
outl(addr, val);
}
static uint64_t qpci_pc_pio_readq(QPCIBus *bus, uint32_t addr)
{
return (uint64_t)inl(addr) + ((uint64_t)inl(addr + 4) << 32);
}
static void qpci_pc_pio_writeq(QPCIBus *bus, uint32_t addr, uint64_t val)
{
outl(addr, val & 0xffffffff);
outl(addr + 4, val >> 32);
}
static void qpci_pc_memread(QPCIBus *bus, uint32_t addr, void *buf, size_t len)
{
memread(addr, buf, len);
}
static void qpci_pc_memwrite(QPCIBus *bus, uint32_t addr,
const void *buf, size_t len)
{
memwrite(addr, buf, len);
}
static uint8_t qpci_pc_config_readb(QPCIBus *bus, int devfn, uint8_t offset)
{
outl(0xcf8, (1U << 31) | (devfn << 8) | offset);
return inb(0xcfc);
}
static uint16_t qpci_pc_config_readw(QPCIBus *bus, int devfn, uint8_t offset)
{
outl(0xcf8, (1U << 31) | (devfn << 8) | offset);
return inw(0xcfc);
}
static uint32_t qpci_pc_config_readl(QPCIBus *bus, int devfn, uint8_t offset)
{
outl(0xcf8, (1U << 31) | (devfn << 8) | offset);
return inl(0xcfc);
}
static void qpci_pc_config_writeb(QPCIBus *bus, int devfn, uint8_t offset, uint8_t value)
{
outl(0xcf8, (1U << 31) | (devfn << 8) | offset);
outb(0xcfc, value);
}
static void qpci_pc_config_writew(QPCIBus *bus, int devfn, uint8_t offset, uint16_t value)
{
outl(0xcf8, (1U << 31) | (devfn << 8) | offset);
outw(0xcfc, value);
}
static void qpci_pc_config_writel(QPCIBus *bus, int devfn, uint8_t offset, uint32_t value)
{
outl(0xcf8, (1U << 31) | (devfn << 8) | offset);
outl(0xcfc, value);
}
QPCIBus *qpci_init_pc(QGuestAllocator *alloc)
{
QPCIBusPC *ret;
ret = g_malloc(sizeof(*ret));
ret->bus.pio_readb = qpci_pc_pio_readb;
ret->bus.pio_readw = qpci_pc_pio_readw;
ret->bus.pio_readl = qpci_pc_pio_readl;
ret->bus.pio_readq = qpci_pc_pio_readq;
ret->bus.pio_writeb = qpci_pc_pio_writeb;
ret->bus.pio_writew = qpci_pc_pio_writew;
ret->bus.pio_writel = qpci_pc_pio_writel;
ret->bus.pio_writeq = qpci_pc_pio_writeq;
ret->bus.memread = qpci_pc_memread;
ret->bus.memwrite = qpci_pc_memwrite;
ret->bus.config_readb = qpci_pc_config_readb;
ret->bus.config_readw = qpci_pc_config_readw;
ret->bus.config_readl = qpci_pc_config_readl;
ret->bus.config_writeb = qpci_pc_config_writeb;
ret->bus.config_writew = qpci_pc_config_writew;
ret->bus.config_writel = qpci_pc_config_writel;
ret->bus.pio_alloc_ptr = 0xc000;
ret->bus.mmio_alloc_ptr = 0xE0000000;
ret->bus.mmio_limit = 0x100000000ULL;
return &ret->bus;
}
void qpci_free_pc(QPCIBus *bus)
{
QPCIBusPC *s = container_of(bus, QPCIBusPC, bus);
g_free(s);
}
void qpci_unplug_acpi_device_test(const char *id, uint8_t slot)
{
QDict *response;
char *cmd;
cmd = g_strdup_printf("{'execute': 'device_del',"
" 'arguments': {"
" 'id': '%s'"
"}}", id);
response = qmp(cmd);
g_free(cmd);
g_assert(response);
g_assert(!qdict_haskey(response, "error"));
QDECREF(response);
outb(ACPI_PCIHP_ADDR + PCI_EJ_BASE, 1 << slot);
response = qmp("");
g_assert(response);
g_assert(qdict_haskey(response, "event"));
g_assert(!strcmp(qdict_get_str(response, "event"), "DEVICE_DELETED"));
QDECREF(response);
}
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