bhyve nvme: Add NQN value

Add a NVMe Qualified Name (NQN) to the Controller Data structure using
the "first format" (i.e., "... used by any organization that owns a
domain name" Section 7.9 NVM-Express 1.4c 2021.06.28 Ratified).

This avoids a Linux kernel warning about a missing or invalid NQN.

Reviewed by:	jhb
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D42058
This commit is contained in:
Chuck Tuffli 2023-10-12 15:04:17 -07:00
parent d287d3282f
commit 32557d16e2

View file

@ -514,6 +514,7 @@ static void
pci_nvme_init_ctrldata(struct pci_nvme_softc *sc)
{
struct nvme_controller_data *cd = &sc->ctrldata;
int ret;
cd->vid = 0xFB5D;
cd->ssvid = 0x0000;
@ -583,6 +584,13 @@ pci_nvme_init_ctrldata(struct pci_nvme_softc *sc)
NVME_CTRLR_DATA_FNA_FORMAT_ALL_SHIFT;
cd->vwc = NVME_CTRLR_DATA_VWC_ALL_NO << NVME_CTRLR_DATA_VWC_ALL_SHIFT;
ret = snprintf(cd->subnqn, sizeof(cd->subnqn),
"nqn.2013-12.org.freebsd:bhyve-%s-%u-%u-%u",
get_config_value("name"), sc->nsc_pi->pi_bus,
sc->nsc_pi->pi_slot, sc->nsc_pi->pi_func);
if ((ret < 0) || ((unsigned)ret > sizeof(cd->subnqn)))
EPRINTLN("%s: error setting subnqn (%d)", __func__, ret);
}
static void
@ -3309,7 +3317,6 @@ pci_nvme_init(struct pci_devinst *pi, nvlist_t *nvl)
pci_nvme_aen_init(sc);
pci_nvme_reset(sc);
done:
return (error);
}