X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/0975b8b823a888d474fa33821dfe84e6904db197..b1616fe0e2a311f5951cc51800a17a920b20a129:/hw/9pfs/9p.h

diff --git a/hw/9pfs/9p.h b/hw/9pfs/9p.h
index 2523a445f8..b7e836251e 100644
--- a/hw/9pfs/9p.h
+++ b/hw/9pfs/9p.h
@@ -99,8 +99,8 @@ enum p9_proto_version {
     V9FS_PROTO_2000L = 0x02,
 };
 
-#define P9_NOTAG    (u16)(~0)
-#define P9_NOFID    (u32)(~0)
+#define P9_NOTAG    UINT16_MAX
+#define P9_NOFID    UINT32_MAX
 #define P9_MAXWELEM 16
 
 #define FID_REFERENCED          0x1
@@ -159,11 +159,12 @@ typedef struct V9fsConf
 
 typedef struct V9fsXattr
 {
-    int64_t copied_len;
-    int64_t len;
+    uint64_t copied_len;
+    uint64_t len;
     void *value;
     V9fsString name;
     int flags;
+    bool xattrwalk_fid;
 } V9fsXattr;
 
 typedef struct V9fsDir {
@@ -228,6 +229,8 @@ typedef struct V9fsState
     char *tag;
     enum p9_proto_version proto_version;
     int32_t msize;
+    V9fsPDU pdus[MAX_REQ];
+    const struct V9fsTransport *transport;
     /*
      * lock ensuring atomic path update
      * on rename.
@@ -341,4 +344,24 @@ void pdu_free(V9fsPDU *pdu);
 void pdu_submit(V9fsPDU *pdu);
 void v9fs_reset(V9fsState *s);
 
+struct V9fsTransport {
+    ssize_t     (*pdu_vmarshal)(V9fsPDU *pdu, size_t offset, const char *fmt,
+                                va_list ap);
+    ssize_t     (*pdu_vunmarshal)(V9fsPDU *pdu, size_t offset, const char *fmt,
+                                  va_list ap);
+    void        (*init_in_iov_from_pdu)(V9fsPDU *pdu, struct iovec **piov,
+                                        unsigned int *pniov, size_t size);
+    void        (*init_out_iov_from_pdu)(V9fsPDU *pdu, struct iovec **piov,
+                                         unsigned int *pniov);
+    void        (*push_and_notify)(V9fsPDU *pdu);
+};
+
+static inline int v9fs_register_transport(V9fsState *s,
+        const struct V9fsTransport *t)
+{
+    assert(!s->transport);
+    s->transport = t;
+    return 0;
+}
+
 #endif