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-rw-r--r--drivers/nvme/host/rdma.c7
-rw-r--r--include/linux/nvme-rdma.h2
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 1624da3702d4..027ee57cbdb0 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -1112,6 +1112,13 @@ static int nvme_rdma_setup_ctrl(struct nvme_rdma_ctrl *ctrl, bool new)
ctrl->ctrl.opts->queue_size, ctrl->ctrl.sqsize + 1);
}
+ if (ctrl->ctrl.sqsize + 1 > NVME_RDMA_MAX_QUEUE_SIZE) {
+ dev_warn(ctrl->ctrl.device,
+ "ctrl sqsize %u > max queue size %u, clamping down\n",
+ ctrl->ctrl.sqsize + 1, NVME_RDMA_MAX_QUEUE_SIZE);
+ ctrl->ctrl.sqsize = NVME_RDMA_MAX_QUEUE_SIZE - 1;
+ }
+
if (ctrl->ctrl.sqsize + 1 > ctrl->ctrl.maxcmd) {
dev_warn(ctrl->ctrl.device,
"sqsize %u > ctrl maxcmd %u, clamping down\n",
diff --git a/include/linux/nvme-rdma.h b/include/linux/nvme-rdma.h
index 3ec8e50efa16..4dd7e6fe92fb 100644
--- a/include/linux/nvme-rdma.h
+++ b/include/linux/nvme-rdma.h
@@ -6,6 +6,8 @@
#ifndef _LINUX_NVME_RDMA_H
#define _LINUX_NVME_RDMA_H
+#define NVME_RDMA_MAX_QUEUE_SIZE 128
+
enum nvme_rdma_cm_fmt {
NVME_RDMA_CM_FMT_1_0 = 0x0,
};