int
nvme_detach(struct nvme_controller *ctrlr)
{
nvme_ctrlr_destruct(ctrlr);
nvme_free(ctrlr);
return 0;
}
struct nvme_controller *
nvme_attach(void *devhandle)
{
struct nvme_controller *ctrlr;
int status;
uint64_t phys_addr = 0;
ctrlr = nvme_malloc("nvme_ctrlr", sizeof(struct nvme_controller),
64, &phys_addr);
if (ctrlr == NULL) {
nvme_printf(NULL, "could not allocate ctrlr\n");
return NULL;
}
status = nvme_ctrlr_construct(ctrlr, devhandle);
if (status != 0) {
nvme_free(ctrlr);
return NULL;
}
if (nvme_ctrlr_start(ctrlr) != 0) {
nvme_ctrlr_destruct(ctrlr);
nvme_free(ctrlr);
return NULL;
}
return ctrlr;
}
static int
nvme_detach (device_t dev)
{
struct nvme_controller *ctrlr = DEVICE2SOFTC(dev);
nvme_ctrlr_destruct(ctrlr, dev);
return (0);
}
static int
nvme_attach(device_t dev)
{
struct nvme_controller *ctrlr = DEVICE2SOFTC(dev);
int status;
status = nvme_ctrlr_construct(ctrlr, dev);
if (status != 0) {
nvme_ctrlr_destruct(ctrlr, dev);
return (status);
}
/*
* Reset controller twice to ensure we do a transition from cc.en==1
* to cc.en==0. This is because we don't really know what status
* the controller was left in when boot handed off to OS.
*/
status = nvme_ctrlr_hw_reset(ctrlr);
if (status != 0) {
nvme_ctrlr_destruct(ctrlr, dev);
return (status);
}
status = nvme_ctrlr_hw_reset(ctrlr);
if (status != 0) {
nvme_ctrlr_destruct(ctrlr, dev);
return (status);
}
nvme_sysctl_initialize_ctrlr(ctrlr);
pci_enable_busmaster(dev);
ctrlr->config_hook.ich_func = nvme_ctrlr_start_config_hook;
ctrlr->config_hook.ich_arg = ctrlr;
config_intrhook_establish(&ctrlr->config_hook);
return (0);
}
int
spdk_nvme_detach(struct spdk_nvme_ctrlr *ctrlr)
{
pthread_mutex_lock(&g_spdk_nvme_driver->lock);
nvme_ctrlr_destruct(ctrlr);
TAILQ_REMOVE(&g_spdk_nvme_driver->attached_ctrlrs, ctrlr, tailq);
nvme_free(ctrlr);
pthread_mutex_unlock(&g_spdk_nvme_driver->lock);
return 0;
}