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tests/libqos: has_buggy_msi flag 

The Qgraph framework makes any test using
pci bus run the same function using pci-pci and
pci-spapr bus. However, some tests are not ready to use
the spapr bus, due to a MSI bug. Until it does not get
fixed, this flag allows them to skip the test

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 2018-08-09 12:44:56 +02:00 committed by Paolo Bonzini
parent 7985b582d6
commit 92bbafc718
4 changed files with 24 additions and 0 deletions
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3
tests/libqos/pci-pc.c
View File

@ -124,6 +124,9 @@ 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;

3
tests/libqos/pci-spapr.c
View File

@ -155,6 +155,9 @@ void qpci_init_spapr(QPCIBusSPAPR *qpci, QTestState *qts,
{
assert(qts);
/* tests cannot use spapr, needs to be fixed first */
qpci->bus.has_buggy_msi = TRUE;
qpci->alloc = alloc;
qpci->bus.pio_readb = qpci_spapr_pio_readb;

14
tests/libqos/pci.c
View File

@ -51,6 +51,20 @@ void qpci_device_foreach(QPCIBus *bus, int vendor_id, int device_id,
}
}
bool qpci_has_buggy_msi(QPCIDevice *dev)
{
return dev->bus->has_buggy_msi;
}
bool qpci_check_buggy_msi(QPCIDevice *dev)
{
if (qpci_has_buggy_msi(dev)) {
g_test_skip("Skipping due to incomplete support for MSI");
return true;
}
return false;
}
static void qpci_device_set(QPCIDevice *dev, QPCIBus *bus, int devfn)
{
g_assert(dev);

4
tests/libqos/pci.h
View File

@ -53,6 +53,7 @@ struct QPCIBus {
QTestState *qts;
uint16_t pio_alloc_ptr;
uint64_t mmio_alloc_ptr, mmio_limit;
bool has_buggy_msi; /* TRUE for spapr, FALSE for pci */
};
@ -81,6 +82,9 @@ void qpci_device_foreach(QPCIBus *bus, int vendor_id, int device_id,
QPCIDevice *qpci_device_find(QPCIBus *bus, int devfn);
void qpci_device_init(QPCIDevice *dev, QPCIBus *bus, QPCIAddress *addr);
bool qpci_has_buggy_msi(QPCIDevice *dev);
bool qpci_check_buggy_msi(QPCIDevice *dev);
void qpci_device_enable(QPCIDevice *dev);
uint8_t qpci_find_capability(QPCIDevice *dev, uint8_t id);
void qpci_msix_enable(QPCIDevice *dev);