diff mbox series

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

Message ID 20241118164434.7551-24-alejandro.lucero-palau@amd.com (mailing list archive)
State Not Applicable
Delegated to: Netdev Maintainers
Headers show
Series cxl: add type2 device basic support | expand

Checks

Context Check Description
netdev/series_format fail Series longer than 15 patches
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit fail Errors and warnings before: 8 this patch: 10
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 4 maintainers not CCed: habetsm.xilinx@gmail.com linux-net-drivers@amd.com andrew+netdev@lunn.ch ecree.xilinx@gmail.com
netdev/build_clang success Errors and warnings before: 3 this patch: 3
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 4 this patch: 4
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 26 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

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);