[PATCH 09/29] ibmvfc: add helper to check NVMe/FC support with active channels
From: Tyrel Datwyler <tyreld@linux.ibm.com>
Date: 2026-06-23 01:30:58
Also in:
linux-scsi, lkml
Subsystem:
ibm power virtual fc device drivers, linux for powerpc (32-bit and 64-bit), scsi subsystem, the rest · Maintainers:
Tyrel Datwyler, Madhavan Srinivasan, Michael Ellerman, "James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
It can be the case that NVMeoF is enabled on both the client and VIOS, but no queues are configured making the need to do NVMe target discovery pointless. Add a helper to short hand the capabilities check and active NVMe queue check. Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com> --- drivers/scsi/ibmvscsi/ibmvfc-core.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/scsi/ibmvscsi/ibmvfc-core.c b/drivers/scsi/ibmvscsi/ibmvfc-core.c
index 8186e9321af5..9cd688762150 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc-core.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc-core.c@@ -207,6 +207,12 @@ static int ibmvfc_check_caps(struct ibmvfc_host *vhost, unsigned long cap_flags) return (host_caps & cap_flags) ? 1 : 0; } +static int ibmvfc_nvme_active(struct ibmvfc_host *vhost) +{ + return (ibmvfc_check_caps(vhost, IBMVFC_SUPPORT_NVMEOF) && + vhost->nvme_scrqs.active_queues); +} + static struct ibmvfc_fcp_cmd_iu *ibmvfc_get_fcp_iu(struct ibmvfc_host *vhost, struct ibmvfc_cmd *vfc_cmd) {
--
2.54.0