diff options
Diffstat (limited to 'drivers/misc/sgi-xp/xp.h')
| -rw-r--r-- | drivers/misc/sgi-xp/xp.h | 44 |
1 files changed, 17 insertions, 27 deletions
diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h index 0f75592..43bf247 100644 --- a/drivers/misc/sgi-xp/xp.h +++ b/drivers/misc/sgi-xp/xp.h @@ -116,12 +116,6 @@ * The size of the payload is defined by the user via xpc_connect(). A user- * defined message resides in the payload area. * - * The user should have no dealings with the message header, but only the - * message's payload. When a message entry is allocated (via xpc_allocate()) - * a pointer to the payload area is returned and not the actual beginning of - * the XPC message. The user then constructs a message in the payload area - * and passes that pointer as an argument on xpc_send() or xpc_send_notify(). - * * The size of a message entry (within a message queue) must be a cacheline * sized multiple in order to facilitate the BTE transfer of messages from one * message queue to another. A macro, XPC_MSG_SIZE(), is provided for the user @@ -221,9 +215,10 @@ enum xp_retval { xpBteCopyError, /* 52: bte_copy() returned error */ xpSalError, /* 53: sn SAL error */ xpRsvdPageNotSet, /* 54: the reserved page is not set up */ + xpPayloadTooBig, /* 55: payload too large for message slot */ - xpUnsupported, /* 55: unsupported functionality or resource */ - xpUnknownReason /* 56: unknown reason - must be last in enum */ + xpUnsupported, /* 56: unsupported functionality or resource */ + xpUnknownReason /* 57: unknown reason - must be last in enum */ }; /* @@ -304,16 +299,15 @@ struct xpc_registration { #define XPC_CHANNEL_REGISTERED(_c) (xpc_registrations[_c].func != NULL) -/* the following are valid xpc_allocate() flags */ +/* the following are valid xpc_send() or xpc_send_notify() flags */ #define XPC_WAIT 0 /* wait flag */ #define XPC_NOWAIT 1 /* no wait flag */ struct xpc_interface { void (*connect) (int); void (*disconnect) (int); - enum xp_retval (*allocate) (short, int, u32, void **); - enum xp_retval (*send) (short, int, void *); - enum xp_retval (*send_notify) (short, int, void *, + enum xp_retval (*send) (short, int, u32, void *, u16); + enum xp_retval (*send_notify) (short, int, u32, void *, u16, xpc_notify_func, void *); void (*received) (short, int, void *); enum xp_retval (*partid_to_nasids) (short, void *); @@ -323,10 +317,9 @@ extern struct xpc_interface xpc_interface; extern void xpc_set_interface(void (*)(int), void (*)(int), - enum xp_retval (*)(short, int, u32, void **), - enum xp_retval (*)(short, int, void *), - enum xp_retval (*)(short, int, void *, - xpc_notify_func, void *), + enum xp_retval (*)(short, int, u32, void *, u16), + enum xp_retval (*)(short, int, u32, void *, u16, + xpc_notify_func, void *), void (*)(short, int, void *), enum xp_retval (*)(short, void *)); extern void xpc_clear_interface(void); @@ -336,22 +329,19 @@ extern enum xp_retval xpc_connect(int, xpc_channel_func, void *, u16, extern void xpc_disconnect(int); static inline enum xp_retval -xpc_allocate(short partid, int ch_number, u32 flags, void **payload) -{ - return xpc_interface.allocate(partid, ch_number, flags, payload); -} - -static inline enum xp_retval -xpc_send(short partid, int ch_number, void *payload) +xpc_send(short partid, int ch_number, u32 flags, void *payload, + u16 payload_size) { - return xpc_interface.send(partid, ch_number, payload); + return xpc_interface.send(partid, ch_number, flags, payload, + payload_size); } static inline enum xp_retval -xpc_send_notify(short partid, int ch_number, void *payload, - xpc_notify_func func, void *key) +xpc_send_notify(short partid, int ch_number, u32 flags, void *payload, + u16 payload_size, xpc_notify_func func, void *key) { - return xpc_interface.send_notify(partid, ch_number, payload, func, key); + return xpc_interface.send_notify(partid, ch_number, flags, payload, + payload_size, func, key); } static inline void |