static int ivshmem_setup_interrupts(IVShmemState *s) { /* allocate QEMU callback data for receiving interrupts */ s->msi_vectors = g_malloc0(s->vectors * sizeof(MSIVector)); if (ivshmem_has_feature(s, IVSHMEM_MSI)) { if (msix_init_exclusive_bar(PCI_DEVICE(s), s->vectors, 1)) { return -1; } IVSHMEM_DPRINTF("msix initialized (%d vectors)\n", s->vectors); ivshmem_msix_vector_use(s); } return 0; }