linux-kernel - [PATCH] nvmet: Add support for FDP devices in fabrics passthru path

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Message-Id: <20250715061804.1954522-1-nj.shetty@samsung.com>
Date: Tue, 15 Jul 2025 11:48:04 +0530
From: Nitesh Shetty <nj.shetty@...sung.com>
To: Christoph Hellwig <hch@....de>, Sagi Grimberg <sagi@...mberg.me>,
	Chaitanya Kulkarni <kch@...dia.com>
Cc: gost.dev@...sung.com, nitheshshetty@...il.com, Nitesh Shetty
	<nj.shetty@...sung.com>, linux-nvme@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] nvmet: Add support for FDP devices in fabrics passthru path

In nvmet passthru path FDP is disabled, because of failure of
admin_get_features FDP(0x1d) feature command.
Supporting this through nvmet_setup_passthru_command enables FDP.

Signed-off-by: Nitesh Shetty <nj.shetty@...sung.com>
---
 drivers/nvme/target/passthru.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/nvme/target/passthru.c b/drivers/nvme/target/passthru.c
index b7515c53829b..bf27ae4c42dc 100644
--- a/drivers/nvme/target/passthru.c
+++ b/drivers/nvme/target/passthru.c
@@ -460,6 +460,7 @@ static u16 nvmet_passthru_get_set_features(struct nvmet_req *req)
 	case NVME_FEAT_PLM_WINDOW:
 	case NVME_FEAT_HOST_BEHAVIOR:
 	case NVME_FEAT_SANITIZE:
+	case NVME_FEAT_FDP:
 	case NVME_FEAT_VENDOR_START ... NVME_FEAT_VENDOR_END:
 		return nvmet_setup_passthru_command(req);
 

base-commit: 3f31a806a62e44f7498e2d17719c03f816553f11
-- 
2.43.0