aboutsummaryrefslogtreecommitdiff
path: root/include/net/9p/transport.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/net/9p/transport.h')
-rw-r--r--include/net/9p/transport.h52
1 files changed, 34 insertions, 18 deletions
diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h
index d2209ae9d18..d9fa68f26c4 100644
--- a/include/net/9p/transport.h
+++ b/include/net/9p/transport.h
@@ -26,32 +26,48 @@
#ifndef NET_9P_TRANSPORT_H
#define NET_9P_TRANSPORT_H
-enum p9_trans_status {
- Connected,
- Disconnected,
- Hung,
-};
+#define P9_DEF_MIN_RESVPORT (665U)
+#define P9_DEF_MAX_RESVPORT (1023U)
-struct p9_trans {
- enum p9_trans_status status;
- int msize;
- unsigned char extended;
- void *priv;
- void (*close) (struct p9_trans *);
- int (*rpc) (struct p9_trans *t, struct p9_fcall *tc,
- struct p9_fcall **rc);
-};
+/**
+ * struct p9_trans_module - transport module interface
+ * @list: used to maintain a list of currently available transports
+ * @name: the human-readable name of the transport
+ * @maxsize: transport provided maximum packet size
+ * @pref: Preferences of this transport
+ * @def: set if this transport should be considered the default
+ * @create: member function to create a new connection on this transport
+ * @close: member function to discard a connection on this transport
+ * @request: member function to issue a request to the transport
+ * @cancel: member function to cancel a request (if it hasn't been sent)
+ * @cancelled: member function to notify that a cancelled request will not
+ * not receive a reply
+ *
+ * This is the basic API for a transport module which is registered by the
+ * transport module with the 9P core network module and used by the client
+ * to instantiate a new connection on a transport.
+ *
+ * The transport module list is protected by v9fs_trans_lock.
+ */
struct p9_trans_module {
struct list_head list;
char *name; /* name of transport */
int maxsize; /* max message size of transport */
int def; /* this transport should be default */
- struct p9_trans * (*create)(const char *, char *, int, unsigned char);
+ struct module *owner;
+ int (*create)(struct p9_client *, const char *, char *);
+ void (*close) (struct p9_client *);
+ int (*request) (struct p9_client *, struct p9_req_t *req);
+ int (*cancel) (struct p9_client *, struct p9_req_t *req);
+ int (*cancelled)(struct p9_client *, struct p9_req_t *req);
+ int (*zc_request)(struct p9_client *, struct p9_req_t *,
+ char *, char *, int , int, int, int);
};
void v9fs_register_trans(struct p9_trans_module *m);
-struct p9_trans_module *v9fs_match_trans(const substring_t *name);
-struct p9_trans_module *v9fs_default_trans(void);
-
+void v9fs_unregister_trans(struct p9_trans_module *m);
+struct p9_trans_module *v9fs_get_trans_by_name(char *s);
+struct p9_trans_module *v9fs_get_default_trans(void);
+void v9fs_put_trans(struct p9_trans_module *m);
#endif /* NET_9P_TRANSPORT_H */