tests/libqos: pci-pc driver and interface nodes

Add pci-bus-pc node, move QPCIBusPC struct declaration in its header
(since it will be needed by other drivers) and introduce a setter method
for drivers that do not need to allocate but have to initialize QPCIBusPC.

Signed-off-by: Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Emanuele Giuseppe Esposito 2018-07-03 16:53:10 +02:00 committed by Paolo Bonzini
parent fc281c8020
commit 85af0057e7
5 changed files with 118 additions and 34 deletions

View File

@ -749,11 +749,15 @@ libqos-imx-obj-y = $(libqos-obj-y) tests/libqos/i2c-imx.o
libqos-usb-obj-y = $(libqos-spapr-obj-y) $(libqos-pc-obj-y) tests/libqos/usb.o
libqos-virtio-obj-y = $(libqos-spapr-obj-y) $(libqos-pc-obj-y) tests/libqos/virtio.o tests/libqos/virtio-pci.o tests/libqos/virtio-mmio.o
# Devices
qos-test-obj-y = tests/qos-test.o $(libqgraph-obj-y)
qos-test-obj-y += $(libqos-pc-obj-y)
check-unit-y += tests/test-qgraph$(EXESUF)
tests/test-qgraph$(EXESUF): tests/test-qgraph.o $(libqgraph-obj-y)
check-qtest-generic-y += tests/qos-test$(EXESUF)
tests/qos-test$(EXESUF): tests/qos-test.o $(libqgraph-obj-y)
tests/qos-test$(EXESUF): $(qos-test-obj-y)
tests/qmp-test$(EXESUF): tests/qmp-test.o
tests/qmp-cmd-test$(EXESUF): tests/qmp-cmd-test.o

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@ -18,15 +18,9 @@
#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 qtest_inb(bus->qts, addr);
@ -116,44 +110,65 @@ static void qpci_pc_config_writel(QPCIBus *bus, int devfn, uint8_t offset, uint3
qtest_outl(bus->qts, 0xcfc, value);
}
QPCIBus *qpci_new_pc(QTestState *qts, QGuestAllocator *alloc)
static void *qpci_pc_get_driver(void *obj, const char *interface)
{
QPCIBusPC *ret = g_new0(QPCIBusPC, 1);
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);
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;
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;
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;
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;
ret->bus.memread = qpci_pc_memread;
ret->bus.memwrite = qpci_pc_memwrite;
qpci->bus.memread = qpci_pc_memread;
qpci->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;
qpci->bus.config_readb = qpci_pc_config_readb;
qpci->bus.config_readw = qpci_pc_config_readw;
qpci->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;
qpci->bus.config_writeb = qpci_pc_config_writeb;
qpci->bus.config_writew = qpci_pc_config_writew;
qpci->bus.config_writel = qpci_pc_config_writel;
ret->bus.qts = qts;
ret->bus.pio_alloc_ptr = 0xc000;
ret->bus.mmio_alloc_ptr = 0xE0000000;
ret->bus.mmio_limit = 0x100000000ULL;
qpci->bus.qts = qts;
qpci->bus.pio_alloc_ptr = 0xc000;
qpci->bus.mmio_alloc_ptr = 0xE0000000;
qpci->bus.mmio_limit = 0x100000000ULL;
return &ret->bus;
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 = container_of(bus, QPCIBusPC, bus);
QPCIBusPC *s;
if (!bus) {
return;
}
s = container_of(bus, QPCIBusPC, bus);
g_free(s);
}
@ -172,3 +187,11 @@ void qpci_unplug_acpi_device_test(const char *id, uint8_t slot)
qmp_eventwait("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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@ -15,6 +15,22 @@
#include "libqos/pci.h"
#include "libqos/malloc.h"
#include "libqos/qgraph.h"
typedef struct QPCIBusPC {
QOSGraphObject obj;
QPCIBus bus;
} QPCIBusPC;
/* qpci_init_pc():
* @ret: A valid QPCIBusPC * pointer
* @qts: The %QTestState for this PC machine
* @alloc: A previously initialized @alloc providing memory for @qts
*
* This function initializes an already allocated
* QPCIBusPC object.
*/
void qpci_init_pc(QPCIBusPC *ret, QTestState *qts, QGuestAllocator *alloc);
/* qpci_pc_new():
* @qts: The %QTestState for this PC machine
@ -23,7 +39,8 @@
* This function creates a new QPCIBusPC object,
* and properly initialize its fields.
*
* Returns a newly allocated QPCIBus.
* Returns the QPCIBus *bus field of a newly
* allocated QPCIBusPC.
*/
QPCIBus *qpci_new_pc(QTestState *qts, QGuestAllocator *alloc);

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@ -15,6 +15,7 @@
#include "hw/pci/pci_regs.h"
#include "qemu/host-utils.h"
#include "libqos/qgraph.h"
void qpci_device_foreach(QPCIBus *bus, int vendor_id, int device_id,
void (*func)(QPCIDevice *dev, int devfn, void *data),
@ -50,13 +51,20 @@ void qpci_device_foreach(QPCIBus *bus, int vendor_id, int device_id,
}
}
static void qpci_device_set(QPCIDevice *dev, QPCIBus *bus, int devfn)
{
g_assert(dev);
dev->bus = bus;
dev->devfn = devfn;
}
QPCIDevice *qpci_device_find(QPCIBus *bus, int devfn)
{
QPCIDevice *dev;
dev = g_malloc0(sizeof(*dev));
dev->bus = bus;
dev->devfn = devfn;
qpci_device_set(dev, bus, devfn);
if (qpci_config_readw(dev, PCI_VENDOR_ID) == 0xFFFF) {
g_free(dev);
@ -66,6 +74,17 @@ QPCIDevice *qpci_device_find(QPCIBus *bus, int devfn)
return dev;
}
void qpci_device_init(QPCIDevice *dev, QPCIBus *bus, QPCIAddress *addr)
{
uint16_t vendor_id, device_id;
qpci_device_set(dev, bus, addr->devfn);
vendor_id = qpci_config_readw(dev, PCI_VENDOR_ID);
device_id = qpci_config_readw(dev, PCI_DEVICE_ID);
g_assert(!addr->vendor_id || vendor_id == addr->vendor_id);
g_assert(!addr->device_id || device_id == addr->device_id);
}
void qpci_device_enable(QPCIDevice *dev)
{
uint16_t cmd;
@ -395,3 +414,12 @@ QPCIBar qpci_legacy_iomap(QPCIDevice *dev, uint16_t addr)
QPCIBar bar = { .addr = addr };
return bar;
}
void add_qpci_address(QOSGraphEdgeOptions *opts, QPCIAddress *addr)
{
g_assert(addr);
g_assert(opts);
opts->arg = addr;
opts->size_arg = sizeof(QPCIAddress);
}

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@ -14,6 +14,7 @@
#define LIBQOS_PCI_H
#include "libqtest.h"
#include "libqos/qgraph.h"
#define QPCI_PIO_LIMIT 0x10000
@ -22,6 +23,7 @@
typedef struct QPCIDevice QPCIDevice;
typedef struct QPCIBus QPCIBus;
typedef struct QPCIBar QPCIBar;
typedef struct QPCIAddress QPCIAddress;
struct QPCIBus {
uint8_t (*pio_readb)(QPCIBus *bus, uint32_t addr);
@ -51,6 +53,7 @@ struct QPCIBus {
QTestState *qts;
uint16_t pio_alloc_ptr;
uint64_t mmio_alloc_ptr, mmio_limit;
};
struct QPCIBar {
@ -66,10 +69,17 @@ struct QPCIDevice
uint64_t msix_table_off, msix_pba_off;
};
struct QPCIAddress {
uint32_t devfn;
uint16_t vendor_id;
uint16_t device_id;
};
void qpci_device_foreach(QPCIBus *bus, int vendor_id, int device_id,
void (*func)(QPCIDevice *dev, int devfn, void *data),
void *data);
QPCIDevice *qpci_device_find(QPCIBus *bus, int devfn);
void qpci_device_init(QPCIDevice *dev, QPCIBus *bus, QPCIAddress *addr);
void qpci_device_enable(QPCIDevice *dev);
uint8_t qpci_find_capability(QPCIDevice *dev, uint8_t id);
@ -110,4 +120,6 @@ void qpci_iounmap(QPCIDevice *dev, QPCIBar addr);
QPCIBar qpci_legacy_iomap(QPCIDevice *dev, uint16_t addr);
void qpci_unplug_acpi_device_test(const char *id, uint8_t slot);
void add_qpci_address(QOSGraphEdgeOptions *opts, QPCIAddress *addr);
#endif