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authorJames Smart <jsmart2021@gmail.com>2019-05-14 14:58:03 -0700
committerChristoph Hellwig <hch@lst.de>2019-06-21 11:08:37 +0200
commit150d71f725fd2f5a0015b7fa8df0816a207d4e4b (patch)
tree80db7dabdc58740ce4de567cf791b92d68adcf2f /drivers/nvme
parent9d09dd8d7626b9124ce4bc081aabcb0590173b27 (diff)
downloadlinux-150d71f725fd2f5a0015b7fa8df0816a207d4e4b.tar.bz2
nvmet-fc: add transport discovery change event callback support
This patch adds support for the nvmet discovery_change transport op. In turn, the transport adds it's own LLDD api callback discovery_event op to request the LLDD to generate an RSCN for the discovery change. Signed-off-by: James Smart <jsmart2021@gmail.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Arun Easi <aeasi@marvell.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/target/fc.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 508661af0f50..1f252c9a953a 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -2549,6 +2549,16 @@ nvmet_fc_remove_port(struct nvmet_port *port)
kfree(pe);
}
+static void
+nvmet_fc_discovery_chg(struct nvmet_port *port)
+{
+ struct nvmet_fc_port_entry *pe = port->priv;
+ struct nvmet_fc_tgtport *tgtport = pe->tgtport;
+
+ if (tgtport && tgtport->ops->discovery_event)
+ tgtport->ops->discovery_event(&tgtport->fc_target_port);
+}
+
static const struct nvmet_fabrics_ops nvmet_fc_tgt_fcp_ops = {
.owner = THIS_MODULE,
.type = NVMF_TRTYPE_FC,
@@ -2557,6 +2567,7 @@ static const struct nvmet_fabrics_ops nvmet_fc_tgt_fcp_ops = {
.remove_port = nvmet_fc_remove_port,
.queue_response = nvmet_fc_fcp_nvme_cmd_done,
.delete_ctrl = nvmet_fc_delete_ctrl,
+ .discovery_chg = nvmet_fc_discovery_chg,
};
static int __init nvmet_fc_init_module(void)