[PATCH rdma-next 12/13] nvme: Add crypto profile at nvme controller

From: Leon Romanovsky
Date: Mon Jan 16 2023 - 08:07:41 EST


From: Israel Rukshin <israelr@xxxxxxxxxx>

The crypto profile will be filled by the transport drivers. This
is a preparation patch for adding support of inline encryption
at nvme-rdma driver.

Signed-off-by: Israel Rukshin <israelr@xxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
---
drivers/nvme/host/core.c | 3 +++
drivers/nvme/host/nvme.h | 4 ++++
2 files changed, 7 insertions(+)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 51a9880db6ce..f09e4e0216b3 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1928,6 +1928,9 @@ static void nvme_update_disk_info(struct gendisk *disk,
capacity = 0;
}

+ if (ctrl->crypto_enable)
+ blk_crypto_register(&ctrl->crypto_profile, disk->queue);
+
set_capacity_and_notify(disk, capacity);

nvme_config_discard(disk, ns);
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 424c8a467a0c..591380f53744 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -16,6 +16,7 @@
#include <linux/rcupdate.h>
#include <linux/wait.h>
#include <linux/t10-pi.h>
+#include <linux/blk-crypto-profile.h>

#include <trace/events/block.h>

@@ -374,6 +375,9 @@ struct nvme_ctrl {

enum nvme_ctrl_type cntrltype;
enum nvme_dctype dctype;
+
+ bool crypto_enable;
+ struct blk_crypto_profile crypto_profile;
};

enum nvme_iopolicy {
--
2.39.0