diff options
Diffstat (limited to 'hw/9pfs/9p.h')
| -rw-r--r-- | hw/9pfs/9p.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/hw/9pfs/9p.h b/hw/9pfs/9p.h index 3976b7fe3d..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 @@ -229,6 +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. @@ -342,4 +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 |