This patch add the inflight message description and
the inflight share fd protocol feature flag.
Signed-off-by: Lin Li <lili...@baidu.com>
Signed-off-by: Xun Ni <ni...@baidu.com>
Signed-off-by: Yu Zhang <zhangy...@baidu.com>
Signed-off-by: Jin Yu <jin...@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>
---
v1 - specify the APIs are split-ring only
v2 - fix APIs and judge split or packed
v3 - add rte_vhost_ prefix and fix one issue
v4 - add the packed ring support
v5 - revise get_vring_base func depend on Tiwei's suggestion
v6 - divide patch into small patches
v7 - updated base on Maxime's comments
---
lib/librte_vhost/rte_vhost.h | 4 ++++
lib/librte_vhost/vhost_user.h | 8 ++++++++
2 files changed, 12 insertions(+)
diff --git a/lib/librte_vhost/rte_vhost.h b/lib/librte_vhost/rte_vhost.h
index 0226b3eff..9943575ce 100644
--- a/lib/librte_vhost/rte_vhost.h
+++ b/lib/librte_vhost/rte_vhost.h
@@ -71,6 +71,10 @@ extern "C" {
#define VHOST_USER_PROTOCOL_F_HOST_NOTIFIER 11
#endif
+#ifndef VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD
+#define VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD 12
+#endif
+
/** Indicate whether protocol features negotiation is supported. */
#ifndef VHOST_USER_F_PROTOCOL_FEATURES
#define VHOST_USER_F_PROTOCOL_FEATURES 30
diff --git a/lib/librte_vhost/vhost_user.h b/lib/librte_vhost/vhost_user.h
index 2a650fe4b..17a1d7bca 100644
--- a/lib/librte_vhost/vhost_user.h
+++ b/lib/librte_vhost/vhost_user.h
@@ -112,6 +112,13 @@ typedef struct VhostUserVringArea {
uint64_t offset;
} VhostUserVringArea;
+typedef struct VhostUserInflight {
+ uint64_t mmap_size;
+ uint64_t mmap_offset;
+ uint16_t num_queues;
+ uint16_t queue_size;
+} VhostUserInflight;
+
typedef struct VhostUserMsg {
union {
uint32_t master; /* a VhostUserRequest value */
@@ -134,6 +141,7 @@ typedef struct VhostUserMsg {
struct vhost_iotlb_msg iotlb;
VhostUserCryptoSessionParam crypto_session;
VhostUserVringArea area;
+ VhostUserInflight inflight;
} payload;
int fds[VHOST_MEMORY_MAX_NREGIONS];
int fd_num;
--
2.17.2
