Commit 70f8ee39 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin
Browse files

msix: expose access to masked/pending state 



For use by poll handler.

Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent bbef882c

hw/pci/msix.c

+3 −3
Original line number Diff line number Diff line
@@ -65,7 +65,7 @@ static int msix_is_pending(PCIDevice *dev, int vector) 
    return *msix_pending_byte(dev, vector) & msix_pending_mask(vector);

}



static void msix_set_pending(PCIDevice *dev, int vector)

void msix_set_pending(PCIDevice *dev, unsigned int vector)

{

    *msix_pending_byte(dev, vector) |= msix_pending_mask(vector);

}
@@ -75,13 +75,13 @@ static void msix_clr_pending(PCIDevice *dev, int vector) 
    *msix_pending_byte(dev, vector) &= ~msix_pending_mask(vector);

}



static bool msix_vector_masked(PCIDevice *dev, int vector, bool fmask)

static bool msix_vector_masked(PCIDevice *dev, unsigned int vector, bool fmask)

{

    unsigned offset = vector * PCI_MSIX_ENTRY_SIZE + PCI_MSIX_ENTRY_VECTOR_CTRL;

    return fmask || dev->msix_table[offset] & PCI_MSIX_ENTRY_CTRL_MASKBIT;

}



static bool msix_is_masked(PCIDevice *dev, int vector)

bool msix_is_masked(PCIDevice *dev, unsigned int vector)

{

    return msix_vector_masked(dev, vector, dev->msix_function_masked);

}

hw/pci/msix.h

+3 −0
Original line number Diff line number Diff line
@@ -26,6 +26,9 @@ void msix_load(PCIDevice *dev, QEMUFile *f); 
int msix_enabled(PCIDevice *dev);

int msix_present(PCIDevice *dev);



bool msix_is_masked(PCIDevice *dev, unsigned vector);

void msix_set_pending(PCIDevice *dev, unsigned vector);



int msix_vector_use(PCIDevice *dev, unsigned vector);

void msix_vector_unuse(PCIDevice *dev, unsigned vector);

void msix_unuse_all_vectors(PCIDevice *dev);