[PATCH v12 20/23] sfc: create cxl region
From: <hidden>
Date: 2025-03-31 14:46:45
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 region using the endpoint decoder related to a DPA range specifying no DAX device should be created. Signed-off-by: Alejandro Lucero <redacted> Reviewed-by: Martin Habets <redacted> Acked-by: Edward Cree <ecree.xilinx@gmail.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> --- drivers/net/ethernet/sfc/efx_cxl.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/net/ethernet/sfc/efx_cxl.c b/drivers/net/ethernet/sfc/efx_cxl.c
index 20eb1dfa8c65..424efc61cc84 100644
--- a/drivers/net/ethernet/sfc/efx_cxl.c
+++ b/drivers/net/ethernet/sfc/efx_cxl.c@@ -114,10 +114,19 @@ int efx_cxl_init(struct efx_probe_data *probe_data) goto sfc_put_decoder; } + cxl->efx_region = cxl_create_region(cxl->cxlrd, cxl->cxled, 1, true); + if (IS_ERR(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(probe_data->cxl->cxled); sfc_put_decoder: cxl_put_root_decoder(cxl->cxlrd); return rc;
@@ -126,6 +135,7 @@ 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_put_root_decoder(probe_data->cxl->cxlrd); }
--
2.34.1