From 0e0a7d38014153e252bed9ae53a47098e325f77d Mon Sep 17 00:00:00 2001 From: Xiaolong Ye Date: Sat, 29 Sep 2018 05:47:46 +0800 Subject: [PATCH] vhost: introduce API to get vDPA device number It's used to get number of available registered vDPA devices. Signed-off-by: Xiaolong Ye Acked-by: Xiao Wang Reviewed-by: Maxime Coquelin --- lib/librte_vhost/rte_vdpa.h | 3 +++ lib/librte_vhost/rte_vhost_version.map | 1 + lib/librte_vhost/vdpa.c | 6 ++++++ 3 files changed, 10 insertions(+) diff --git a/lib/librte_vhost/rte_vdpa.h b/lib/librte_vhost/rte_vdpa.h index 90465ca265..b8223e3374 100644 --- a/lib/librte_vhost/rte_vdpa.h +++ b/lib/librte_vhost/rte_vdpa.h @@ -84,4 +84,7 @@ rte_vdpa_find_device_id(struct rte_vdpa_dev_addr *addr); struct rte_vdpa_device * __rte_experimental rte_vdpa_get_device(int did); +/* Get current available vdpa device number */ +int __rte_experimental +rte_vdpa_get_device_num(void); #endif /* _RTE_VDPA_H_ */ diff --git a/lib/librte_vhost/rte_vhost_version.map b/lib/librte_vhost/rte_vhost_version.map index da220dd028..ae39b6e21c 100644 --- a/lib/librte_vhost/rte_vhost_version.map +++ b/lib/librte_vhost/rte_vhost_version.map @@ -67,6 +67,7 @@ EXPERIMENTAL { rte_vdpa_unregister_device; rte_vdpa_find_device_id; rte_vdpa_get_device; + rte_vdpa_get_device_num; rte_vhost_driver_attach_vdpa_device; rte_vhost_driver_detach_vdpa_device; rte_vhost_driver_get_vdpa_device_id; diff --git a/lib/librte_vhost/vdpa.c b/lib/librte_vhost/vdpa.c index c82fd43709..c2c5dff1d4 100644 --- a/lib/librte_vhost/vdpa.c +++ b/lib/librte_vhost/vdpa.c @@ -113,3 +113,9 @@ rte_vdpa_get_device(int did) return vdpa_devices[did]; } + +int +rte_vdpa_get_device_num(void) +{ + return vdpa_device_num; +} -- 2.20.1