diff mbox series

[v5,23/27] sfc: create cxl region

Message ID 20241118164434.7551-24-alejandro.lucero-palau@amd.com (mailing list archive)
State New
Delegated to: Netdev Maintainers
Headers show
Series cxl: add type2 device basic support | expand

Commit Message

Lucero Palau, Alejandro Nov. 18, 2024, 4:44 p.m. UTC 
From: Alejandro Lucero <alucerop@amd.com>

Use cxl api for creating a region using the endpoint decoder related to
a DPA range.

Signed-off-by: Alejandro Lucero <alucerop@amd.com>
---
 drivers/net/ethernet/sfc/efx_cxl.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/sfc/efx_cxl.c b/drivers/net/ethernet/sfc/efx_cxl.c
index 85d9632f497a..f9f3af28690b 100644
--- a/drivers/net/ethernet/sfc/efx_cxl.c
+++ b/drivers/net/ethernet/sfc/efx_cxl.c
@@ -128,10 +128,19 @@  int efx_cxl_init(struct efx_probe_data *probe_data)
 		goto err3;
 	}
 
+	cxl->efx_region = cxl_create_region(cxl->cxlrd, cxl->cxled);
+	if (!cxl->efx_region) {
+		pci_err(pci_dev, "CXL accel create region failed");
+		rc = PTR_ERR(cxl->efx_region);
+		goto err_region;
+	}
+
 	probe_data->cxl = cxl;
 
 	return 0;
 
+err_region:
+	cxl_dpa_free(cxl->cxled);
 err3:
 	cxl_release_resource(cxl->cxlds, CXL_RES_RAM);
 err2:
@@ -145,6 +154,7 @@  int efx_cxl_init(struct efx_probe_data *probe_data)
 void efx_cxl_exit(struct efx_probe_data *probe_data)
 {
 	if (probe_data->cxl) {
+		cxl_accel_region_detach(probe_data->cxl->cxled);
 		cxl_dpa_free(probe_data->cxl->cxled);
 		cxl_release_resource(probe_data->cxl->cxlds, CXL_RES_RAM);
 		kfree(probe_data->cxl->cxlds);