From: Ramesh Thomas <ramesh.thomas(a)intel.com&gt; Check for presence of /sys/bus/dsa/drivers/idxd and use legacy driver names if not present. Signed-off-by: Ramesh Thomas <ramesh.thomas(a)intel.com&gt; --- accfg/lib/libaccfg.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/accfg/lib/libaccfg.c b/accfg/lib/libaccfg.c index f21cab5..592c22c 100644 --- a/accfg/lib/libaccfg.c +++ b/accfg/lib/libaccfg.c @@ -36,6 +36,13 @@ #define IDXD_WQ_DEVICE_PORTAL(d, w) ((d)->ctx->compat ? \ (d)->bus_type_str : accfg_wq_device_portals[(w)->type]) +char *accfg_wq_device_portals_legacy[] = { + [ACCFG_WQT_KERNEL] = "idxd-kernel-portal", + [ACCFG_WQT_USER] = "idxd-user-portal", + [ACCFG_WQT_MDEV] = "idxd-mdev-portal", + NULL +}; + char *accfg_wq_device_portals[] = { [ACCFG_WQT_KERNEL] = "dmaengine", [ACCFG_WQT_USER] = "user", @@ -398,8 +405,15 @@ ACCFG_EXPORT int accfg_new(struct accfg_ctx **ctx) c->refcount = 1; log_init(&c->ctx, "libaccfg", "ACCFG_LOG"); c->timeout = 5000; - if (access(IDXD_DRIVER_BIND_PATH, R_OK)) + if (access(IDXD_DRIVER_BIND_PATH, R_OK)) { c->compat = true; + accfg_wq_device_portals[ACCFG_WQT_KERNEL] = + accfg_wq_device_portals_legacy[ACCFG_WQT_KERNEL]; + accfg_wq_device_portals[ACCFG_WQT_USER] = + accfg_wq_device_portals_legacy[ACCFG_WQT_USER]; + accfg_wq_device_portals[ACCFG_WQT_MDEV] = + accfg_wq_device_portals_legacy[ACCFG_WQT_MDEV]; + } list_head_init(&c->devices); -- 2.26.3