* enum p9_req_status_t - virtio request status
* @REQ_STATUS_IDLE: request slot unused
* @REQ_STATUS_ALLOC: request has been allocated but not sent
+ * @REQ_STATUS_UNSENT: request waiting to be sent
* @REQ_STATUS_SENT: request sent to server
* @REQ_STATUS_FLSH: a flush has been sent for this request
* @REQ_STATUS_RCVD: response received from server
* @REQ_STATUS_FLSHD: request has been flushed
- * @REQ_STATUS_ERR: request encountered an error on the client side
+ * @REQ_STATUS_ERROR: request encountered an error on the client side
*
* The @REQ_STATUS_IDLE state is used to mark a request slot as unused
* but use is actually tracked by the idpool structure which handles tag
enum p9_req_status_t {
REQ_STATUS_IDLE,
REQ_STATUS_ALLOC,
+ REQ_STATUS_UNSENT,
REQ_STATUS_SENT,
REQ_STATUS_FLSH,
REQ_STATUS_RCVD,
* struct p9_req_t - request slots
* @status: status of this request slot
* @t_err: transport error
+ * @flush_tag: tag of request being flushed (for flush requests)
* @wq: wait_queue for the client to block on for this request
* @tc: the request fcall structure
* @rc: the response fcall structure
* @aux: transport specific data (provided for trans_fd migration)
+ * @req_list: link for higher level objects to chain requests
*
* Transport use an array to track outstanding requests
* instead of a list. While this may incurr overhead during initial
wait_queue_head_t *wq;
struct p9_fcall *tc;
struct p9_fcall *rc;
- u16 flush_tag;
void *aux;
+
+ struct list_head req_list;
};
/**
* @uid: the numeric uid of the local user who owns this handle
* @aux: transport specific information (unused?)
* @rdir_fpos: tracks offset of file position when reading directory contents
- * @rdir_pos: (unused?)
- * @rdir_fcall: holds response of last directory read request
* @flist: per-client-instance fid tracking
* @dlist: per-dentry fid tracking
*
void *aux;
int rdir_fpos;
- int rdir_pos;
- struct p9_fcall *rdir_fcall;
struct list_head flist;
struct list_head dlist; /* list of all fids attached to a dentry */
};
+int p9_client_version(struct p9_client *);
struct p9_client *p9_client_create(const char *dev_name, char *options);
void p9_client_destroy(struct p9_client *clnt);
void p9_client_disconnect(struct p9_client *clnt);
char *extension);
int p9_client_clunk(struct p9_fid *fid);
int p9_client_remove(struct p9_fid *fid);
-int p9_client_read(struct p9_fid *fid, char *data, u64 offset, u32 count);
-int p9_client_readn(struct p9_fid *fid, char *data, u64 offset, u32 count);
-int p9_client_write(struct p9_fid *fid, char *data, u64 offset, u32 count);
-int p9_client_uread(struct p9_fid *fid, char __user *data, u64 offset,
- u32 count);
-int p9_client_uwrite(struct p9_fid *fid, const char __user *data, u64 offset,
- u32 count);
-struct p9_stat *p9_client_stat(struct p9_fid *fid);
+int p9_client_read(struct p9_fid *fid, char *data, char __user *udata,
+ u64 offset, u32 count);
+int p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
+ u64 offset, u32 count);
+struct p9_wstat *p9_client_stat(struct p9_fid *fid);
int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst);
-struct p9_stat *p9_client_dirread(struct p9_fid *fid, u64 offset);
-struct p9_req_t *p9_tag_alloc(struct p9_client *, u16);
struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
+void p9_client_cb(struct p9_client *c, struct p9_req_t *req);
+
+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 *);
+
#endif /* NET_9P_CLIENT_H */