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libqos: Added MSI-X support

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Added MSI-X support for qtest PCI.
Added MSI-X support for virtio-pci.
Added MSI-X test case in virtio-blk-test.

Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Marc Marí 2014-09-01 12:07:59 +02:00 • committed by Stefan Hajnoczi
parent e11199554c
commit 5836811398
7 changed files with 426 additions and 62 deletions
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17
tests/libqos/virtio-pci.h
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@ -28,12 +28,24 @@
#define QVIRTIO_PCI_ALIGN 4096
#define QVIRTIO_MSI_NO_VECTOR 0xFFFF
typedef struct QVirtioPCIDevice {
QVirtioDevice vdev;
QPCIDevice *pdev;
void *addr;
uint16_t config_msix_entry;
uint64_t config_msix_addr;
uint32_t config_msix_data;
} QVirtioPCIDevice;
typedef struct QVirtQueuePCI {
QVirtQueue vq;
uint16_t msix_entry;
uint64_t msix_addr;
uint32_t msix_data;
} QVirtQueuePCI;
extern const QVirtioBus qvirtio_pci;
void qvirtio_pci_foreach(QPCIBus *bus, uint16_t device_type,
@ -41,4 +53,9 @@ void qvirtio_pci_foreach(QPCIBus *bus, uint16_t device_type,
QVirtioPCIDevice *qvirtio_pci_device_find(QPCIBus *bus, uint16_t device_type);
void qvirtio_pci_device_enable(QVirtioPCIDevice *d);
void qvirtio_pci_device_disable(QVirtioPCIDevice *d);
void qvirtio_pci_set_msix_configuration_vector(QVirtioPCIDevice *d,
QGuestAllocator *alloc, uint16_t entry);
void qvirtqueue_pci_msix_setup(QVirtioPCIDevice *d, QVirtQueuePCI *vqpci,
QGuestAllocator *alloc, uint16_t entry);
#endif