X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/fe8ab488e9161c46dd9885d58fc52996dc0249ff..3e170ce000f1506b7b5d2c5c7faec85ceabb573d:/osfmk/atm/atm_internal.h diff --git a/osfmk/atm/atm_internal.h b/osfmk/atm/atm_internal.h index 6fbc32b65..73d2e0c0d 100644 --- a/osfmk/atm/atm_internal.h +++ b/osfmk/atm/atm_internal.h @@ -49,35 +49,54 @@ typedef mach_voucher_attr_value_handle_t atm_voucher_id_t; struct atm_task_descriptor { - decl_lck_mtx_data(,lock) /* lock to protect reference count */ - mach_port_t trace_buffer; /* named memory entry registered by user */ - uint64_t trace_buffer_size; /* size of the trace_buffer registered */ - uint64_t mailbox_array_size; /* Mailbox array size in bytes. */ - void * mailbox_kernel_addr; /* Kernel address where the mailbox is mapped. */ - uint32_t reference_count:31, - flags:1; + decl_lck_mtx_data(,lock) /* lock to protect reference count */ + mach_port_t trace_buffer; /* named memory entry registered by user */ + uint64_t trace_buffer_size; /* size of the trace_buffer registered */ + uint32_t reference_count; + uint8_t flags; #if DEVELOPMENT || DEBUG - task_t task; /* task pointer for debugging purposes */ - queue_chain_t descriptor_elt; /* global chain of all descriptors */ + task_t task; /* task pointer for debugging purposes */ + queue_chain_t descriptor_elt; /* global chain of all descriptors */ #endif }; +#define atm_task_desc_reference_internal(elem) \ + (hw_atomic_add(&(elem)->reference_count, 1)) + +#define atm_task_desc_release_internal(elem) \ + (hw_atomic_sub(&(elem)->reference_count, 1)) + typedef struct atm_task_descriptor *atm_task_descriptor_t; #define ATM_TASK_DESCRIPTOR_NULL NULL struct atm_value { - aid_t aid; /* activity id */ - queue_head_t listeners; /* List of listeners who register for this activity */ - decl_lck_mtx_data( ,listener_lock) /* Lock to protect listener list */ - queue_chain_t vid_hash_elt; /* Next hash element in the global hash table */ + aid_t aid; /* activity id */ + queue_head_t listeners; /* List of listeners who register for this activity */ + decl_lck_mtx_data( ,listener_lock) /* Lock to protect listener list */ + queue_chain_t vid_hash_elt; /* Next hash element in the global hash table */ #if DEVELOPMENT || DEBUG - queue_chain_t value_elt; /* global chain of all values */ + queue_chain_t value_elt; /* global chain of all values */ #endif - uint32_t sync; /* Made ref count given to voucher sub system. */ - uint32_t listener_count; /* Number of Listerners listening on the value. */ - int32_t reference_count; /* use count on the atm value, 1 taken by the global hash table */ + uint32_t sync; /* Made ref count given to voucher sub system. */ + uint32_t listener_count; /* Number of Listerners listening on the value. */ + uint32_t reference_count; /* use count on the atm value, 1 taken by the global hash table */ }; +#define atm_value_reference_internal(elem) \ + (hw_atomic_add(&(elem)->reference_count, 1)) + +#define atm_value_release_internal(elem) \ + (hw_atomic_sub(&(elem)->reference_count, 1)) + +#define atm_listener_count_incr_internal(elem) \ + (hw_atomic_add(&(elem)->listener_count, 1)) + +#define atm_listener_count_decr_internal(elem) \ + (hw_atomic_sub(&(elem)->listener_count, 1)) + +#define atm_sync_reference_internal(elem) \ + (hw_atomic_add(&(elem)->sync, 1)) + typedef struct atm_value *atm_value_t; #define ATM_VALUE_NULL NULL @@ -86,10 +105,9 @@ typedef struct atm_value *atm_value_t; struct atm_link_object { atm_task_descriptor_t descriptor; - void * mailbox; /* Offset in the mailbox registered by the user for an activity. */ - uint32_t reference_count; /* Refernece count for link object */ - uint8_t flags; /* Flags used mark for deletion from the listener list */ queue_chain_t listeners_element; /* Head is atm_value->listeners. */ + atm_guard_t guard; /* Guard registered by the user for an activity. */ + uint32_t reference_count; /* Refernece count for link object */ }; typedef struct atm_link_object *atm_link_object_t; @@ -109,9 +127,12 @@ typedef struct atm_value_hash *atm_value_hash_t; void atm_init(void); void atm_task_descriptor_destroy(atm_task_descriptor_t task_descriptor); -kern_return_t atm_register_trace_memory(task_t task, uint64_t trace_buffer_address, uint64_t buffer_size, uint64_t mailbox_array_size); +kern_return_t atm_register_trace_memory(task_t task, uint64_t trace_buffer_address, uint64_t buffer_size); kern_return_t atm_send_proc_inspect_notification(task_t task, int32_t traced_pid, uint64_t traced_uniqueid); +kern_return_t atm_set_diagnostic_config(uint32_t); +uint32_t atm_get_diagnostic_config(void); + #endif /* MACH_KERNEL_PRIVATE */ #endif /* _ATM_ATM_INTERNAL_H_ */