linux-kernel - [PATCH v4] uio: dfl: add HSSI subsystem feature id

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Date:   Wed,  4 May 2022 20:16:28 -0400
From:   Tianfei Zhang <tianfei.zhang@...el.com>
To:     hao.wu@...el.com, trix@...hat.com, mdf@...nel.org,
        yilun.xu@...el.com, linux-fpga@...r.kernel.org,
        gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org,
        Matthew Gerlach <matthew.gerlach@...ux.intel.com>,
        Tianfei Zhang <tianfei.zhang@...el.com>
Subject: [PATCH v4] uio: dfl: add HSSI subsystem feature id

From: Matthew Gerlach <matthew.gerlach@...ux.intel.com>

Add the Device Feature List (DFL) feature id for the
High Speed Serial Interface (HSSI) Subsystem to the
table of ids supported by the uio_dfl driver.

The HSSI Subsystem is a configurable set of IP blocks
to be used as part of a Ethernet or PCS/FEC/PMA pipeline.
Like the Ethernet group used by the N3000 card, the HSSI
Subsystem does not fully implement a network device from
a Linux netdev perspective and is controlled and monitored
from user space software via the uio interface.

The Feature ID table of DFL can be found:
https://github.com/OPAE/dfl-feature-id

Reviewed-by: Tom Rix <trix@...hat.com>
Acked-by: Xu Yilun <yilun.xu@...el.com>
Signed-off-by: Matthew Gerlach <matthew.gerlach@...ux.intel.com>
Signed-off-by: Tianfei Zhang <tianfei.zhang@...el.com>
---
v4: add Reviewed-by and Acked-by tag and add Feature ID table url in git message.
v3: change the name of this feature id to HSSI_SUBSYS and rewrite
    the git message.
v2: add HSSI introduction and the git repo of Feature ID table.
---
 drivers/uio/uio_dfl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/uio/uio_dfl.c b/drivers/uio/uio_dfl.c
index 89c0fc7b0cbc..8f39cc8bb034 100644
--- a/drivers/uio/uio_dfl.c
+++ b/drivers/uio/uio_dfl.c
@@ -45,9 +45,11 @@ static int uio_dfl_probe(struct dfl_device *ddev)
 }
 
 #define FME_FEATURE_ID_ETH_GROUP	0x10
+#define FME_FEATURE_ID_HSSI_SUBSYS	0x15
 
 static const struct dfl_device_id uio_dfl_ids[] = {
 	{ FME_ID, FME_FEATURE_ID_ETH_GROUP },
+	{ FME_ID, FME_FEATURE_ID_HSSI_SUBSYS },
 	{ }
 };
 MODULE_DEVICE_TABLE(dfl, uio_dfl_ids);
-- 
2.26.2