[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20241017165225.21206-24-alejandro.lucero-palau@amd.com>
Date: Thu, 17 Oct 2024 17:52:22 +0100
From: <alejandro.lucero-palau@....com>
To: <linux-cxl@...r.kernel.org>, <netdev@...r.kernel.org>,
<dan.j.williams@...el.com>, <martin.habets@...inx.com>,
<edward.cree@....com>, <davem@...emloft.net>, <kuba@...nel.org>,
<pabeni@...hat.com>, <edumazet@...gle.com>
CC: Alejandro Lucero <alucerop@....com>
Subject: [PATCH v4 23/26] sfc: create cxl region
From: Alejandro Lucero <alucerop@....com>
Use cxl api for creating a region using the endpoint decoder related to
a DPA range.
Signed-off-by: Alejandro Lucero <alucerop@....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 c0da75b2d8e1..869129635a84 100644
--- a/drivers/net/ethernet/sfc/efx_cxl.c
+++ b/drivers/net/ethernet/sfc/efx_cxl.c
@@ -127,12 +127,21 @@ int efx_cxl_init(struct efx_nic *efx)
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;
+ }
+
efx->cxl = cxl;
#endif
return 0;
#if IS_ENABLED(CONFIG_CXL_BUS)
+err_region:
+ cxl_dpa_free(cxl->cxled);
err3:
cxl_release_resource(cxl->cxlds, CXL_RES_RAM);
err2:
@@ -148,6 +157,7 @@ void efx_cxl_exit(struct efx_nic *efx)
{
#if IS_ENABLED(CONFIG_CXL_BUS)
if (efx->cxl) {
+ cxl_accel_region_detach(efx->cxl->cxled);
cxl_dpa_free(efx->cxl->cxled);
cxl_release_resource(efx->cxl->cxlds, CXL_RES_RAM);
kfree(efx->cxl->cxlds);
--
2.17.1
Powered by blists - more mailing lists