netdev - [PATCH v18 07/20] sfc: create type2 cxl memdev

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Message-ID: <20250918091746.2034285-8-alejandro.lucero-palau@amd.com>
Date: Thu, 18 Sep 2025 10:17:33 +0100
From: <alejandro.lucero-palau@....com>
To: <linux-cxl@...r.kernel.org>, <netdev@...r.kernel.org>,
	<dan.j.williams@...el.com>, <edward.cree@....com>, <davem@...emloft.net>,
	<kuba@...nel.org>, <pabeni@...hat.com>, <edumazet@...gle.com>,
	<dave.jiang@...el.com>
CC: Alejandro Lucero <alucerop@....com>, Martin Habets
	<habetsm.xilinx@...il.com>, Fan Ni <fan.ni@...sung.com>, Edward Cree
	<ecree.xilinx@...il.com>, Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: [PATCH v18 07/20] sfc: create type2 cxl memdev

From: Alejandro Lucero <alucerop@....com>

Use cxl API for creating a cxl memory device using the type2
cxl_dev_state struct.

Signed-off-by: Alejandro Lucero <alucerop@....com>
Reviewed-by: Martin Habets <habetsm.xilinx@...il.com>
Reviewed-by: Fan Ni <fan.ni@...sung.com>
Acked-by: Edward Cree <ecree.xilinx@...il.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
---
 drivers/net/ethernet/sfc/efx_cxl.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/sfc/efx_cxl.c b/drivers/net/ethernet/sfc/efx_cxl.c
index 651d26aa68dc..177c60b269d6 100644
--- a/drivers/net/ethernet/sfc/efx_cxl.c
+++ b/drivers/net/ethernet/sfc/efx_cxl.c
@@ -82,6 +82,12 @@ int efx_cxl_init(struct efx_probe_data *probe_data)
 		return dev_err_probe(&pci_dev->dev, -ENODEV,
 				     "dpa capacity setup failed\n");
 
+	cxl->cxlmd = devm_cxl_add_memdev(&pci_dev->dev, &cxl->cxlds, NULL);
+	if (IS_ERR(cxl->cxlmd)) {
+		pci_err(pci_dev, "CXL accel memdev creation failed");
+		return PTR_ERR(cxl->cxlmd);
+	}
+
 	probe_data->cxl = cxl;
 
 	return 0;
-- 
2.34.1