Thread (88 messages) 88 messages, 6 authors, 2025-10-07
STALE234d REVIEWED: 5 (3M)
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[PATCH v18 07/20] sfc: create type2 cxl memdev

From: <hidden>
Date: 2025-09-18 09:18:32
Also in: linux-cxl
Subsystem: networking drivers, sfc network driver, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Edward Cree, Linus Torvalds

From: Alejandro Lucero <redacted>

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

Signed-off-by: Alejandro Lucero <redacted>
Reviewed-by: Martin Habets <redacted>
Reviewed-by: Fan Ni <redacted>
Acked-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.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
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