xnu-4570.71.2.tar.gz

[apple/xnu.git] / osfmk / mach / message.h

diff --git a/osfmk/mach/message.h b/osfmk/mach/message.h
index 74fe65b24d7fcf50fed92bd8bf893e01a2781c7e..13481e1bdfa09dc7c73ee44dd94cd0e0898ef043 100644 (file)
--- a/osfmk/mach/message.h
+++ b/osfmk/mach/message.h
@@ -496,6 +496,27 @@ typedef struct
   mach_port_context_t          msgh_context;
 } mach_msg_context_trailer_t;
 
+#if defined(MACH_KERNEL_PRIVATE) && defined(__arm64__)
+typedef struct 
+{
+  mach_msg_trailer_type_t      msgh_trailer_type;
+  mach_msg_trailer_size_t      msgh_trailer_size;
+  mach_port_seqno_t            msgh_seqno;
+  security_token_t             msgh_sender;
+  audit_token_t                        msgh_audit;
+  mach_port_context32_t                msgh_context;
+} mach_msg_context_trailer32_t;
+
+typedef struct 
+{
+  mach_msg_trailer_type_t      msgh_trailer_type;
+  mach_msg_trailer_size_t      msgh_trailer_size;
+  mach_port_seqno_t            msgh_seqno;
+  security_token_t             msgh_sender;
+  audit_token_t                        msgh_audit;
+  mach_port_context64_t                msgh_context;
+} mach_msg_context_trailer64_t;
+#endif
 
 
 typedef struct
@@ -520,6 +541,32 @@ typedef struct
   msg_labels_t                  msgh_labels;
 } mach_msg_mac_trailer_t;
 
+#if defined(MACH_KERNEL_PRIVATE) && defined(__arm64__)
+typedef struct
+{
+  mach_msg_trailer_type_t       msgh_trailer_type;
+  mach_msg_trailer_size_t       msgh_trailer_size;
+  mach_port_seqno_t             msgh_seqno;
+  security_token_t              msgh_sender;
+  audit_token_t                 msgh_audit;
+  mach_port_context32_t                msgh_context;
+  int                          msgh_ad;
+  msg_labels_t                  msgh_labels;
+} mach_msg_mac_trailer32_t;
+
+typedef struct
+{
+  mach_msg_trailer_type_t       msgh_trailer_type;
+  mach_msg_trailer_size_t       msgh_trailer_size;
+  mach_port_seqno_t             msgh_seqno;
+  security_token_t              msgh_sender;
+  audit_token_t                 msgh_audit;
+  mach_port_context64_t                msgh_context;
+  int                          msgh_ad;
+  msg_labels_t                  msgh_labels;
+} mach_msg_mac_trailer64_t;
+
+#endif
 
 #define MACH_MSG_TRAILER_MINIMUM_SIZE  sizeof(mach_msg_trailer_t)
 
@@ -532,6 +579,10 @@ typedef struct
  * another module may exceed the local modules notion of
  * MAX_TRAILER_SIZE.
  */
+#if defined(MACH_KERNEL_PRIVATE) && defined(__arm64__)
+typedef mach_msg_mac_trailer64_t mach_msg_max_trailer64_t;
+typedef mach_msg_mac_trailer32_t mach_msg_max_trailer32_t;
+#endif
 
 typedef mach_msg_mac_trailer_t mach_msg_max_trailer_t;
 #define MAX_TRAILER_SIZE ((mach_msg_size_t)sizeof(mach_msg_max_trailer_t))
@@ -669,6 +720,7 @@ typedef integer_t mach_msg_option_t;
 #define MACH_SEND_NOIMPORTANCE  0x00040000      /* msg won't carry importance */
 #define MACH_SEND_NODENAP      MACH_SEND_NOIMPORTANCE
 #define MACH_SEND_IMPORTANCE   0x00080000      /* msg carries importance - kernel only */
+#define MACH_SEND_SYNC_OVERRIDE        0x00100000      /* msg should do sync ipc override */
 
 
 #define MACH_RCV_TIMEOUT       0x00000100      /* timeout value applies to receive */  
@@ -676,6 +728,7 @@ typedef integer_t mach_msg_option_t;
 #define MACH_RCV_INTERRUPT     0x00000400      /* don't restart interrupted receive */
 #define MACH_RCV_VOUCHER       0x00000800      /* willing to receive voucher port */
 #define MACH_RCV_OVERWRITE     0x00001000      /* scatter receive (deprecated) */
+#define MACH_RCV_SYNC_WAIT     0x00004000      /* sync waiter waiting for rcv */
 
 #ifdef XNU_KERNEL_PRIVATE
 
@@ -718,11 +771,13 @@ typedef integer_t mach_msg_option_t;
 /* The options that the kernel honors when passed from user space */
 #define MACH_SEND_USER (MACH_SEND_MSG | MACH_SEND_TIMEOUT | \
                                                MACH_SEND_NOTIFY | MACH_SEND_OVERRIDE | \
-                                               MACH_SEND_TRAILER | MACH_SEND_NOIMPORTANCE )
+                                               MACH_SEND_TRAILER | MACH_SEND_NOIMPORTANCE | \
+                                               MACH_SEND_SYNC_OVERRIDE)
 
 #define MACH_RCV_USER (MACH_RCV_MSG | MACH_RCV_TIMEOUT | \
                                           MACH_RCV_LARGE | MACH_RCV_LARGE_IDENTITY | \
-                                          MACH_RCV_VOUCHER | MACH_RCV_TRAILER_MASK)
+                                          MACH_RCV_VOUCHER | MACH_RCV_TRAILER_MASK | \
+                                          MACH_RCV_SYNC_WAIT)
 
 #define MACH_MSG_OPTION_USER    (MACH_SEND_USER | MACH_RCV_USER)
 
@@ -770,7 +825,25 @@ typedef integer_t mach_msg_option_t;
 
 #ifdef XNU_KERNEL_PRIVATE
 
+#if defined(__arm64__)
+#define REQUESTED_TRAILER_SIZE(is64, y)                                \
+       ((mach_msg_trailer_size_t)                              \
+        ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_NULL) ?      \
+         sizeof(mach_msg_trailer_t) :                          \
+         ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_SEQNO) ?    \
+          sizeof(mach_msg_seqno_trailer_t) :                   \
+         ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_SENDER) ?   \
+          sizeof(mach_msg_security_trailer_t) :                \
+          ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_AUDIT) ?   \
+           sizeof(mach_msg_audit_trailer_t) :                  \
+           ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_CTX) ?    \
+            ((is64) ? sizeof(mach_msg_context_trailer64_t) : sizeof(mach_msg_context_trailer32_t)) : \
+            ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_AV) ?    \
+             ((is64) ? sizeof(mach_msg_mac_trailer64_t) : sizeof(mach_msg_mac_trailer32_t)) : \
+              sizeof(mach_msg_max_trailer_t))))))))
+#else
 #define REQUESTED_TRAILER_SIZE(is64, y) REQUESTED_TRAILER_SIZE_NATIVE(y)
+#endif
 
 #else /* XNU_KERNEL_PRIVATE */
 #define REQUESTED_TRAILER_SIZE(y) REQUESTED_TRAILER_SIZE_NATIVE(y)