xnu-7195.50.7.100.1.tar.gz

[apple/xnu.git] / osfmk / kern / ipc_kobject.h

diff --git a/osfmk/kern/ipc_kobject.h b/osfmk/kern/ipc_kobject.h
index 4431f29ca9f88da1c4df8bf08b9ef995ac3b2648..02614a531ca8bc018ddad8cedb834097ba43edc2 100644 (file)
--- a/osfmk/kern/ipc_kobject.h
+++ b/osfmk/kern/ipc_kobject.h
@@ -89,17 +89,17 @@
 
 typedef natural_t       ipc_kobject_type_t;
 
-#define IKOT_NONE                               0
-#define IKOT_THREAD                             1
-#define IKOT_TASK                               2
-#define IKOT_HOST                               3
+#define IKOT_NONE                       0
+#define IKOT_THREAD_CONTROL             1
+#define IKOT_TASK_CONTROL               2
+#define IKOT_HOST                       3
 #define IKOT_HOST_PRIV                  4
 #define IKOT_PROCESSOR                  5
-#define IKOT_PSET                               6
+#define IKOT_PSET                       6
 #define IKOT_PSET_NAME                  7
-#define IKOT_TIMER                              8
+#define IKOT_TIMER                      8
 #define IKOT_PAGING_REQUEST             9
-#define IKOT_MIG                                10
+#define IKOT_MIG                        10
 #define IKOT_MEMORY_OBJECT              11
 #define IKOT_XMM_PAGER                  12
 #define IKOT_XMM_KERNEL                 13
@@ -107,20 +107,20 @@ typedef natural_t       ipc_kobject_type_t;
 #define IKOT_UND_REPLY                  15
 #define IKOT_HOST_NOTIFY                16
 #define IKOT_HOST_SECURITY              17
-#define IKOT_LEDGER                             18
+#define IKOT_LEDGER                     18
 #define IKOT_MASTER_DEVICE              19
 #define IKOT_TASK_NAME                  20
 #define IKOT_SUBSYSTEM                  21
 #define IKOT_IO_DONE_QUEUE              22
 #define IKOT_SEMAPHORE                  23
 #define IKOT_LOCK_SET                   24
-#define IKOT_CLOCK                              25
+#define IKOT_CLOCK                      25
 #define IKOT_CLOCK_CTRL                 26
 #define IKOT_IOKIT_IDENT                27
 #define IKOT_NAMED_ENTRY                28
 #define IKOT_IOKIT_CONNECT              29
 #define IKOT_IOKIT_OBJECT               30
-#define IKOT_UPL                                31
+#define IKOT_UPL                        31
 #define IKOT_MEM_OBJ_CONTROL            32
 #define IKOT_AU_SESSIONPORT             33
 #define IKOT_FILEPORT                   34
@@ -132,20 +132,35 @@ typedef natural_t       ipc_kobject_type_t;
 #define IKOT_UX_HANDLER                 40
 #define IKOT_UEXT_OBJECT                41
 #define IKOT_ARCADE_REG                 42
+#define IKOT_EVENTLINK                  43
+#define IKOT_TASK_INSPECT               44
+#define IKOT_TASK_READ                  45
+#define IKOT_THREAD_INSPECT             46
+#define IKOT_THREAD_READ                47
+#define IKOT_SUID_CRED                  48
+#define IKOT_HYPERVISOR                 49
 
 /*
  * Add new entries here and adjust IKOT_UNKNOWN.
  * Please keep ipc/ipc_object.c:ikot_print_array up to date.
  */
-#define IKOT_UNKNOWN                    43      /* magic catchall       */
+#define IKOT_UNKNOWN                    50      /* magic catchall       */
 #define IKOT_MAX_TYPE   (IKOT_UNKNOWN+1)        /* # of IKOT_ types    */
 
+/* set the bitstring index for kobject */
+extern kern_return_t ipc_kobject_set_kobjidx(
+       int                         msgid,
+       int                         index);
+
 #ifdef MACH_KERNEL_PRIVATE
 
-/*
- *     Define types of kernel objects that use page lists instead
- *     of entry lists for copyin of out of line memory.
- */
+struct ipc_kobject_label {
+       ipc_label_t   ikol_label;       /* [private] mandatory access label */
+       ipc_kobject_t XNU_PTRAUTH_SIGNED_PTR("ipc_kobject_label.ikol_kobject") ikol_kobject;     /* actual kobject address */
+};
+
+/* initialization of kobject subsystem */
+extern void ipc_kobject_init(void);
 
 /* Dispatch a kernel server function */
 extern ipc_kmsg_t ipc_kobject_server(
@@ -174,6 +189,8 @@ __options_decl(ipc_kobject_alloc_options_t, uint32_t, {
        IPC_KOBJECT_ALLOC_NO_GRANT  = 0x00000004,
        /* Make all the send rights immovable */
        IPC_KOBJECT_ALLOC_IMMOVABLE_SEND = 0x00000008,
+       /* Add a label structure to the port */
+       IPC_KOBJECT_ALLOC_LABEL = 0x00000010,
 });
 
 /* Allocates a kobject port, never fails */
@@ -182,12 +199,46 @@ extern ipc_port_t ipc_kobject_alloc_port(
        ipc_kobject_type_t          type,
        ipc_kobject_alloc_options_t options);
 
+/* Allocates a kobject port, never fails */
+extern ipc_port_t ipc_kobject_alloc_labeled_port(
+       ipc_kobject_t               kobject,
+       ipc_kobject_type_t          type,
+       ipc_label_t                 label,
+       ipc_kobject_alloc_options_t options);
+
 /* Makes a send right, lazily allocating a kobject port, arming for no-senders, never fails */
 extern boolean_t ipc_kobject_make_send_lazy_alloc_port(
        ipc_port_t                 *port_store,
        ipc_kobject_t               kobject,
-       ipc_kobject_type_t          type) __result_use_check;
+       ipc_kobject_type_t          type,
+       boolean_t                   should_ptrauth,
+       uint64_t                    ptrauth_discriminator) __result_use_check;
+
+/* Makes a send right, lazily allocating a kobject port, arming for no-senders, never fails */
+extern boolean_t ipc_kobject_make_send_lazy_alloc_labeled_port(
+       ipc_port_t                 *port_store,
+       ipc_kobject_t               kobject,
+       ipc_kobject_type_t          type,
+       ipc_label_t                 label) __result_use_check;
+
+/* Get the kobject address associated with a port */
+static inline ipc_kobject_t
+ipc_kobject_get(ipc_port_t port)
+{
+       if (ip_is_kobject(port)) {
+               if (ip_is_kolabeled(port)) {
+                       return port->ip_kolabel->ikol_kobject;
+               }
+               return port->ip_kobject;
+       }
+       return 0;
+}
 
+/* Check if a kobject can be copied out to a given space */
+extern boolean_t ipc_kobject_label_check(
+       ipc_space_t space,
+       ipc_port_t port,
+       mach_msg_type_name_t msgt_name);
 
 /* Release any kernel object resources associated with a port */
 extern void ipc_kobject_destroy(