//flags used when sending messages (must be bitmapped)
typedef enum {
- VCHI_FLAGS_NONE = 0x0,
- VCHI_FLAGS_BLOCK_UNTIL_OP_COMPLETE = 0x1, // waits for message to be received, or sent (NB. not the same as being seen on other side)
- VCHI_FLAGS_CALLBACK_WHEN_OP_COMPLETE = 0x2, // run a callback when message sent
- VCHI_FLAGS_BLOCK_UNTIL_QUEUED = 0x4, // return once the transfer is in a queue ready to go
- VCHI_FLAGS_ALLOW_PARTIAL = 0x8,
- VCHI_FLAGS_BLOCK_UNTIL_DATA_READ = 0x10,
- VCHI_FLAGS_CALLBACK_WHEN_DATA_READ = 0x20,
-
- VCHI_FLAGS_ALIGN_SLOT = 0x000080, // internal use only
- VCHI_FLAGS_BULK_AUX_QUEUED = 0x010000, // internal use only
- VCHI_FLAGS_BULK_AUX_COMPLETE = 0x020000, // internal use only
- VCHI_FLAGS_BULK_DATA_QUEUED = 0x040000, // internal use only
- VCHI_FLAGS_BULK_DATA_COMPLETE = 0x080000, // internal use only
- VCHI_FLAGS_INTERNAL = 0xFF0000
+ VCHI_FLAGS_NONE = 0x0,
+ VCHI_FLAGS_BLOCK_UNTIL_OP_COMPLETE = 0x1, // waits for message to be received, or sent (NB. not the same as being seen on other side)
+ VCHI_FLAGS_CALLBACK_WHEN_OP_COMPLETE = 0x2, // run a callback when message sent
+ VCHI_FLAGS_BLOCK_UNTIL_QUEUED = 0x4, // return once the transfer is in a queue ready to go
+ VCHI_FLAGS_ALLOW_PARTIAL = 0x8,
+ VCHI_FLAGS_BLOCK_UNTIL_DATA_READ = 0x10,
+ VCHI_FLAGS_CALLBACK_WHEN_DATA_READ = 0x20,
+
+ VCHI_FLAGS_ALIGN_SLOT = 0x000080, // internal use only
+ VCHI_FLAGS_BULK_AUX_QUEUED = 0x010000, // internal use only
+ VCHI_FLAGS_BULK_AUX_COMPLETE = 0x020000, // internal use only
+ VCHI_FLAGS_BULK_DATA_QUEUED = 0x040000, // internal use only
+ VCHI_FLAGS_BULK_DATA_COMPLETE = 0x080000, // internal use only
+ VCHI_FLAGS_INTERNAL = 0xFF0000
} VCHI_FLAGS_T;
// constants for vchi_crc_control()
typedef enum {
- VCHI_CRC_NOTHING = -1,
- VCHI_CRC_PER_SERVICE = 0,
- VCHI_CRC_EVERYTHING = 1,
+ VCHI_CRC_NOTHING = -1,
+ VCHI_CRC_PER_SERVICE = 0,
+ VCHI_CRC_EVERYTHING = 1,
} VCHI_CRC_CONTROL_T;
//callback reasons when an event occurs on a service
typedef enum {
- VCHI_CALLBACK_REASON_MIN,
-
- //This indicates that there is data available
- //handle is the msg id that was transmitted with the data
- // When a message is received and there was no FULL message available previously, send callback
- // Tasks get kicked by the callback, reset their event and try and read from the fifo until it fails
- VCHI_CALLBACK_MSG_AVAILABLE,
- VCHI_CALLBACK_MSG_SENT,
- VCHI_CALLBACK_MSG_SPACE_AVAILABLE, // XXX not yet implemented
-
- // This indicates that a transfer from the other side has completed
- VCHI_CALLBACK_BULK_RECEIVED,
- //This indicates that data queued up to be sent has now gone
- //handle is the msg id that was used when sending the data
- VCHI_CALLBACK_BULK_SENT,
- VCHI_CALLBACK_BULK_RX_SPACE_AVAILABLE, // XXX not yet implemented
- VCHI_CALLBACK_BULK_TX_SPACE_AVAILABLE, // XXX not yet implemented
-
- VCHI_CALLBACK_SERVICE_CLOSED,
-
- // this side has sent XOFF to peer due to lack of data consumption by service
- // (suggests the service may need to take some recovery action if it has
- // been deliberately holding off consuming data)
- VCHI_CALLBACK_SENT_XOFF,
- VCHI_CALLBACK_SENT_XON,
-
- // indicates that a bulk transfer has finished reading the source buffer
- VCHI_CALLBACK_BULK_DATA_READ,
-
- // power notification events (currently host side only)
- VCHI_CALLBACK_PEER_OFF,
- VCHI_CALLBACK_PEER_SUSPENDED,
- VCHI_CALLBACK_PEER_ON,
- VCHI_CALLBACK_PEER_RESUMED,
- VCHI_CALLBACK_FORCED_POWER_OFF,
-
- // some extra notifications provided by vchiq_arm
- VCHI_CALLBACK_SERVICE_OPENED,
- VCHI_CALLBACK_BULK_RECEIVE_ABORTED,
- VCHI_CALLBACK_BULK_TRANSMIT_ABORTED,
-
- VCHI_CALLBACK_REASON_MAX
+ VCHI_CALLBACK_REASON_MIN,
+
+ //This indicates that there is data available
+ //handle is the msg id that was transmitted with the data
+ // When a message is received and there was no FULL message available previously, send callback
+ // Tasks get kicked by the callback, reset their event and try and read from the fifo until it fails
+ VCHI_CALLBACK_MSG_AVAILABLE,
+ VCHI_CALLBACK_MSG_SENT,
+ VCHI_CALLBACK_MSG_SPACE_AVAILABLE, // XXX not yet implemented
+
+ // This indicates that a transfer from the other side has completed
+ VCHI_CALLBACK_BULK_RECEIVED,
+ //This indicates that data queued up to be sent has now gone
+ //handle is the msg id that was used when sending the data
+ VCHI_CALLBACK_BULK_SENT,
+ VCHI_CALLBACK_BULK_RX_SPACE_AVAILABLE, // XXX not yet implemented
+ VCHI_CALLBACK_BULK_TX_SPACE_AVAILABLE, // XXX not yet implemented
+
+ VCHI_CALLBACK_SERVICE_CLOSED,
+
+ // this side has sent XOFF to peer due to lack of data consumption by service
+ // (suggests the service may need to take some recovery action if it has
+ // been deliberately holding off consuming data)
+ VCHI_CALLBACK_SENT_XOFF,
+ VCHI_CALLBACK_SENT_XON,
+
+ // indicates that a bulk transfer has finished reading the source buffer
+ VCHI_CALLBACK_BULK_DATA_READ,
+
+ // power notification events (currently host side only)
+ VCHI_CALLBACK_PEER_OFF,
+ VCHI_CALLBACK_PEER_SUSPENDED,
+ VCHI_CALLBACK_PEER_ON,
+ VCHI_CALLBACK_PEER_RESUMED,
+ VCHI_CALLBACK_FORCED_POWER_OFF,
+
+ // some extra notifications provided by vchiq_arm
+ VCHI_CALLBACK_SERVICE_OPENED,
+ VCHI_CALLBACK_BULK_RECEIVE_ABORTED,
+ VCHI_CALLBACK_BULK_TRANSMIT_ABORTED,
+
+ VCHI_CALLBACK_REASON_MAX
} VCHI_CALLBACK_REASON_T;
// service control options
typedef enum {
- VCHI_SERVICE_OPTION_MIN,
+ VCHI_SERVICE_OPTION_MIN,
- VCHI_SERVICE_OPTION_TRACE,
- VCHI_SERVICE_OPTION_SYNCHRONOUS,
+ VCHI_SERVICE_OPTION_TRACE,
+ VCHI_SERVICE_OPTION_SYNCHRONOUS,
- VCHI_SERVICE_OPTION_MAX
+ VCHI_SERVICE_OPTION_MAX
} VCHI_SERVICE_OPTION_T;
//Callback used by all services / bulk transfers
typedef void (*VCHI_CALLBACK_T)(void *callback_param, //my service local param
- VCHI_CALLBACK_REASON_T reason,
- void *handle); //for transmitting msg's only
+ VCHI_CALLBACK_REASON_T reason,
+ void *handle); //for transmitting msg's only
/*
* Define vector struct for scatter-gather (vector) operations
*
*/
struct vchi_msg_vector {
- const void *vec_base;
- int32_t vec_len;
+ const void *vec_base;
+ int32_t vec_len;
};
// Opaque type for a connection API
// is used again after messages for that service are removed/dequeued by any
// means other than vchi_msg_iter_... calls on the iterator itself.
struct vchi_msg_iter {
- struct opaque_vchi_service_t *service;
- void *last;
- void *next;
- void *remove;
+ struct opaque_vchi_service_t *service;
+ void *last;
+ void *next;
+ void *remove;
};
#endif // VCHI_COMMON_H_
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