diff options
Diffstat (limited to 'drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h')
| -rw-r--r-- | drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h | 55 |
1 files changed, 34 insertions, 21 deletions
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h index 06200a76b871..b817097651fa 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h @@ -243,8 +243,7 @@ struct vchiq_bulk_queue { int remote_insert; /* Where to insert the next remote bulk (master) */ int process; /* Bulk to transfer next */ int remote_notify; /* Bulk to notify the remote client of next (mstr) */ - int remove; /* Bulk to notify the local client of, and remove, - ** next */ + int remove; /* Bulk to notify the local client of, and remove, next */ struct vchiq_bulk bulks[VCHIQ_NUM_SERVICE_BULKS]; }; @@ -321,7 +320,8 @@ struct vchiq_service { struct vchiq_header *msg_queue[VCHIQ_MAX_SLOTS]; }; -/* The quota information is outside struct vchiq_service so that it can +/* + * The quota information is outside struct vchiq_service so that it can * be statically allocated, since for accounting reasons a service's slot * usage is carried over between users of the same port number. */ @@ -346,13 +346,17 @@ struct vchiq_shared_state { /* The slot allocated to synchronous messages from the owner. */ int slot_sync; - /* Signalling this event indicates that owner's slot handler thread - ** should run. */ + /* + * Signalling this event indicates that owner's slot handler thread + * should run. + */ struct remote_event trigger; - /* Indicates the byte position within the stream where the next message - ** will be written. The least significant bits are an index into the - ** slot. The next bits are the index of the slot in slot_queue. */ + /* + * Indicates the byte position within the stream where the next message + * will be written. The least significant bits are an index into the + * slot. The next bits are the index of the slot in slot_queue. + */ int tx_pos; /* This event should be signalled when a slot is recycled. */ @@ -364,8 +368,10 @@ struct vchiq_shared_state { /* This event should be signalled when a synchronous message is sent. */ struct remote_event sync_trigger; - /* This event should be signalled when a synchronous message has been - ** released. */ + /* + * This event should be signalled when a synchronous message has been + * released. + */ struct remote_event sync_release; /* A circular buffer of slot indexes. */ @@ -442,14 +448,18 @@ struct vchiq_state { struct mutex bulk_transfer_mutex; - /* Indicates the byte position within the stream from where the next - ** message will be read. The least significant bits are an index into - ** the slot.The next bits are the index of the slot in - ** remote->slot_queue. */ + /* + * Indicates the byte position within the stream from where the next + * message will be read. The least significant bits are an index into + * the slot.The next bits are the index of the slot in + * remote->slot_queue. + */ int rx_pos; - /* A cached copy of local->tx_pos. Only write to local->tx_pos, and read - from remote->tx_pos. */ + /* + * A cached copy of local->tx_pos. Only write to local->tx_pos, and read + * from remote->tx_pos. + */ int local_tx_pos; /* The slot_queue index of the slot to become available next. */ @@ -504,9 +514,10 @@ struct bulk_waiter { struct vchiq_config { unsigned int max_msg_size; - unsigned int bulk_threshold; /* The message size above which it - is better to use a bulk transfer - (<= max_msg_size) */ + unsigned int bulk_threshold; /* The message size above which it + * is better to use a bulk transfer + * (<= max_msg_size) + */ unsigned int max_outstanding_bulks; unsigned int max_services; short version; /* The version of VCHIQ */ @@ -628,8 +639,10 @@ vchiq_queue_message(unsigned int handle, void *context, size_t size); -/* The following functions are called from vchiq_core, and external -** implementations must be provided. */ +/* + * The following functions are called from vchiq_core, and external + * implementations must be provided. + */ extern enum vchiq_status vchiq_prepare_bulk_data(struct vchiq_bulk *bulk, void *offset, |