static void
attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_ctrlr_opts *opts)
{
printf("Attached to %s\n", trid->traddr);
register_ctrlr(ctrlr);
}
static void
attach_cb(void *cb_ctx, struct spdk_pci_device *dev, struct spdk_nvme_ctrlr *ctrlr,
const struct spdk_nvme_ctrlr_opts *opts)
{
printf("Attached to %04x:%02x:%02x.%02x\n",
spdk_pci_device_get_domain(dev),
spdk_pci_device_get_bus(dev),
spdk_pci_device_get_dev(dev),
spdk_pci_device_get_func(dev));
register_ctrlr(ctrlr);
}
static int
register_controllers(void)
{
struct pci_device_iterator *pci_dev_iter;
struct pci_device *pci_dev;
struct pci_id_match match;
int rc;
printf("Initializing NVMe Controllers\n");
pci_system_init();
match.vendor_id = PCI_MATCH_ANY;
match.subvendor_id = PCI_MATCH_ANY;
match.subdevice_id = PCI_MATCH_ANY;
match.device_id = PCI_MATCH_ANY;
match.device_class = NVME_CLASS_CODE;
match.device_class_mask = 0xFFFFFF;
pci_dev_iter = pci_id_match_iterator_create(&match);
rc = 0;
while ((pci_dev = pci_device_next(pci_dev_iter))) {
struct nvme_controller *ctrlr;
if (pci_device_has_non_null_driver(pci_dev)) {
fprintf(stderr, "non-null kernel driver attached to nvme\n");
fprintf(stderr, " controller at pci bdf %d:%d:%d\n",
pci_dev->bus, pci_dev->dev, pci_dev->func);
fprintf(stderr, " skipping...\n");
continue;
}
pci_device_probe(pci_dev);
ctrlr = nvme_attach(pci_dev);
if (ctrlr == NULL) {
fprintf(stderr, "nvme_attach failed for controller at pci bdf %d:%d:%d\n",
pci_dev->bus, pci_dev->dev, pci_dev->func);
rc = 1;
continue;
}
register_ctrlr(ctrlr, pci_dev);
}
pci_iterator_destroy(pci_dev_iter);
return rc;
}
