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-rw-r--r--include/net/9p/client.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index fb00b329f0d..f076dfa75ae 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -29,6 +29,19 @@
/* Number of requests per row */
#define P9_ROW_MAXTAG 255
+/** enum p9_proto_versions - 9P protocol versions
+ * @p9_proto_legacy: 9P Legacy mode, pre-9P2000.u
+ * @p9_proto_2000u: 9P2000.u extension
+ * @p9_proto_2000L: 9P2000.L extension
+ */
+
+enum p9_proto_versions{
+ p9_proto_legacy = 0,
+ p9_proto_2000u = 1,
+ p9_proto_2000L = 2,
+};
+
+
/**
* enum p9_trans_status - different states of underlying transports
* @Connected: transport is connected and healthy
@@ -111,6 +124,7 @@ struct p9_req_t {
* @lock: protect @fidlist
* @msize: maximum data size negotiated by protocol
* @dotu: extension flags negotiated by protocol
+ * @proto_version: 9P protocol version to use
* @trans_mod: module API instantiated with this client
* @trans: tranport instance state and API
* @conn: connection state information used by trans_fd
@@ -137,7 +151,7 @@ struct p9_req_t {
struct p9_client {
spinlock_t lock; /* protect client structure */
int msize;
- unsigned char dotu;
+ unsigned char proto_version;
struct p9_trans_module *trans_mod;
enum p9_trans_status status;
void *trans;
@@ -209,5 +223,7 @@ int p9_parse_header(struct p9_fcall *, int32_t *, int8_t *, int16_t *, int);
int p9stat_read(char *, int, struct p9_wstat *, int);
void p9stat_free(struct p9_wstat *);
+int p9_is_proto_dotu(struct p9_client *clnt);
+int p9_is_proto_dotl(struct p9_client *clnt);
#endif /* NET_9P_CLIENT_H */