static bool
probe_cb(void *cb_ctx, struct spdk_pci_device *dev, struct spdk_nvme_ctrlr_opts *opts)
{
if (spdk_pci_device_has_non_uio_driver(dev)) {
/*
* If an NVMe controller is found, but it is attached to a non-uio
* driver (i.e. the kernel NVMe driver), we will not try to attach
* to it.
*/
fprintf(stderr, "non-uio kernel driver attached to NVMe\n");
fprintf(stderr, " controller at PCI address %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));
fprintf(stderr, " skipping...\n");
return false;
}
printf("Attaching 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));
return true;
}
static void
display_controller(struct dev *dev, int model)
{
const struct spdk_nvme_ctrlr_data *cdata;
uint8_t str[128];
uint32_t i;
cdata = spdk_nvme_ctrlr_get_data(dev->ctrlr);
if (model == CONTROLLER_DISPLAY_SIMPLISTIC) {
printf("%04x:%02x:%02x.%02x ",
spdk_pci_device_get_domain(dev->pci_dev), spdk_pci_device_get_bus(dev->pci_dev),
spdk_pci_device_get_dev(dev->pci_dev), spdk_pci_device_get_func(dev->pci_dev));
printf("%-40.40s %-20.20s ",
cdata->mn, cdata->sn);
printf("%5d ", cdata->cntlid);
printf("\n");
return;
}
printf("=====================================================\n");
printf("NVMe Controller: %04x:%02x:%02x.%02x\n",
spdk_pci_device_get_domain(dev->pci_dev), spdk_pci_device_get_bus(dev->pci_dev),
spdk_pci_device_get_dev(dev->pci_dev), spdk_pci_device_get_func(dev->pci_dev));
printf("============================\n");
printf("Controller Capabilities/Features\n");
printf("Controller ID: %d\n", cdata->cntlid);
snprintf(str, sizeof(cdata->sn) + 1, "%s", cdata->sn);
printf("Serial Number: %s\n", str);
printf("\n");
printf("Admin Command Set Attributes\n");
printf("============================\n");
printf("Namespace Manage And Attach: %s\n",
cdata->oacs.ns_manage ? "Supported" : "Not Supported");
printf("Namespace Format: %s\n",
cdata->oacs.format ? "Supported" : "Not Supported");
printf("\n");
printf("NVM Command Set Attributes\n");
printf("============================\n");
if (cdata->fna.format_all_ns) {
printf("Namespace format operation applies to all namespaces\n");
} else {
printf("Namespace format operation applies to per namespace\n");
}
printf("\n");
printf("Namespace Attributes\n");
printf("============================\n");
for (i = 1; i <= spdk_nvme_ctrlr_get_num_ns(dev->ctrlr); i++) {
display_namespace(spdk_nvme_ctrlr_get_ns(dev->ctrlr, i));
}
}
static void
reserve_controller(struct spdk_nvme_ctrlr *ctrlr, struct spdk_nvme_qpair *qpair,
struct spdk_pci_device *pci_dev)
{
const struct spdk_nvme_ctrlr_data *cdata;
cdata = spdk_nvme_ctrlr_get_data(ctrlr);
printf("=====================================================\n");
printf("NVMe Controller at PCI bus %d, device %d, function %d\n",
spdk_pci_device_get_bus(pci_dev), spdk_pci_device_get_dev(pci_dev),
spdk_pci_device_get_func(pci_dev));
printf("=====================================================\n");
printf("Reservations: %s\n",
cdata->oncs.reservations ? "Supported" : "Not Supported");
if (!cdata->oncs.reservations)
return;
set_host_identifier(ctrlr);
get_host_identifier(ctrlr);
/* tested 1 namespace */
reservation_ns_register(ctrlr, qpair, 1);
reservation_ns_acquire(ctrlr, qpair, 1);
reservation_ns_report(ctrlr, qpair, 1);
reservation_ns_release(ctrlr, qpair, 1);
}
static bool
probe_cb(void *cb_ctx, struct spdk_pci_device *dev, struct spdk_nvme_ctrlr_opts *opts)
{
printf("Attaching 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));
return true;
}
static uint64_t
get_pci_addr(struct spdk_pci_device *pci_dev)
{
uint64_t cmp;
cmp = (uint64_t)spdk_pci_device_get_domain(pci_dev) << 24;
cmp |= (uint64_t)spdk_pci_device_get_bus(pci_dev) << 16;
cmp |= (uint64_t)spdk_pci_device_get_dev(pci_dev) << 8;
cmp |= (uint64_t)spdk_pci_device_get_func(pci_dev);
return cmp;
}
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 bool
probe_cb(void *cb_ctx, struct spdk_pci_device *dev, struct spdk_nvme_ctrlr_opts *opts)
{
if (spdk_pci_device_has_non_uio_driver(dev)) {
fprintf(stderr, "non-uio kernel driver attached to NVMe\n");
fprintf(stderr, " controller at PCI address %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));
fprintf(stderr, " skipping...\n");
return false;
}
printf("Attaching 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));
return true;
}
static void
attach_cb(void *cb_ctx, struct spdk_pci_device *dev, struct spdk_nvme_ctrlr *ctrlr, const struct spdk_nvme_ctrlr_opts *opts)
{
u2_ctrlr = ctrlr;
u2_ns = spdk_nvme_ctrlr_get_ns(u2_ctrlr, u2_ns_id);
u2_ns_sector = spdk_nvme_ns_get_sector_size(u2_ns);
u2_ns_size = spdk_nvme_ns_get_size(u2_ns);
u2_qpair = spdk_nvme_ctrlr_alloc_io_qpair(u2_ctrlr, 0);
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));
}
static bool
probe_cb(void *cb_ctx, struct spdk_pci_device *dev, struct spdk_nvme_ctrlr_opts *opts)
{
static uint32_t ctrlr_found = 0;
if (ctrlr_found == 1) {
fprintf(stderr, "only attching to one controller, so skipping\n");
fprintf(stderr, " controller at PCI address %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));
return false;
}
ctrlr_found = 1;
printf("Attaching 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));
return true;
}
static bool
probe_cb(void *cb_ctx, struct spdk_pci_device *dev, struct spdk_nvme_ctrlr_opts *opts)
{
if (u2_ctrlr) {
return false;
}
if (spdk_pci_device_has_non_uio_driver(dev)) {
fprintf(stderr, "%04x:%02x:%02x.%02x: non-UIO/kernel driver detected!\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));
return false;
}
return true;
}
static void
attach_cb(void *cb_ctx, struct spdk_pci_device *pci_dev, struct spdk_nvme_ctrlr *ctrlr,
const struct spdk_nvme_ctrlr_opts *opts)
{
struct dev *dev;
/* add to dev list */
dev = &devs[num_devs++];
dev->ctrlr = ctrlr;
snprintf(dev->name, sizeof(dev->name), "%04X:%02X:%02X.%02X",
spdk_pci_device_get_domain(pci_dev),
spdk_pci_device_get_bus(pci_dev),
spdk_pci_device_get_dev(pci_dev),
spdk_pci_device_get_func(pci_dev));
printf("Attached to %s\n", dev->name);
}
static void
attach_cb(void *cb_ctx, struct spdk_pci_device *dev, struct spdk_nvme_ctrlr *ctrlr,
const struct spdk_nvme_ctrlr_opts *opts)
{
int nsid, num_ns;
struct ctrlr_entry *entry;
const struct spdk_nvme_ctrlr_data *cdata = spdk_nvme_ctrlr_get_data(ctrlr);
entry = malloc(sizeof(struct ctrlr_entry));
if (entry == NULL) {
perror("ctrlr_entry malloc");
exit(1);
}
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));
snprintf(entry->name, sizeof(entry->name), "%-20.20s (%-20.20s)", cdata->mn, cdata->sn);
entry->ctrlr = ctrlr;
entry->next = g_controllers;
g_controllers = entry;
/*
* Each controller has one of more namespaces. An NVMe namespace is basically
* equivalent to a SCSI LUN. The controller's IDENTIFY data tells us how
* many namespaces exist on the controller. For Intel(R) P3X00 controllers,
* it will just be one namespace.
*
* Note that in NVMe, namespace IDs start at 1, not 0.
*/
num_ns = spdk_nvme_ctrlr_get_num_ns(ctrlr);
printf("Using controller %s with %d namespaces.\n", entry->name, num_ns);
for (nsid = 1; nsid <= num_ns; nsid++) {
register_ns(ctrlr, spdk_nvme_ctrlr_get_ns(ctrlr, nsid));
}
}
