+++ /dev/null
-/**
- * Copyright (c) 2010-2012 Broadcom. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The names of the above-listed copyright holders may not be used
- * to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * ALTERNATIVELY, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2, as published by the Free
- * Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef CONNECTION_H_
-#define CONNECTION_H_
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/semaphore.h>
-
-#include "interface/vchi/vchi_cfg_internal.h"
-#include "interface/vchi/vchi_common.h"
-#include "interface/vchi/message_drivers/message.h"
-
-/******************************************************************************
- Global defs
- *****************************************************************************/
-
-// Opaque handle for a connection / service pair
-typedef struct opaque_vchi_connection_connected_service_handle_t *VCHI_CONNECTION_SERVICE_HANDLE_T;
-
-// opaque handle to the connection state information
-typedef struct opaque_vchi_connection_info_t VCHI_CONNECTION_STATE_T;
-
-typedef struct vchi_connection_t VCHI_CONNECTION_T;
-
-/******************************************************************************
- API
- *****************************************************************************/
-
-// Routine to init a connection with a particular low level driver
-typedef VCHI_CONNECTION_STATE_T * (*VCHI_CONNECTION_INIT_T)( struct vchi_connection_t * connection,
- const VCHI_MESSAGE_DRIVER_T * driver );
-
-// Routine to control CRC enabling at a connection level
-typedef int32_t (*VCHI_CONNECTION_CRC_CONTROL_T)( VCHI_CONNECTION_STATE_T *state_handle,
- VCHI_CRC_CONTROL_T control );
-
-// Routine to create a service
-typedef int32_t (*VCHI_CONNECTION_SERVICE_CONNECT_T)( VCHI_CONNECTION_STATE_T *state_handle,
- int32_t service_id,
- uint32_t rx_fifo_size,
- uint32_t tx_fifo_size,
- int server,
- VCHI_CALLBACK_T callback,
- void *callback_param,
- int32_t want_crc,
- int32_t want_unaligned_bulk_rx,
- int32_t want_unaligned_bulk_tx,
- VCHI_CONNECTION_SERVICE_HANDLE_T *service_handle );
-
-// Routine to close a service
-typedef int32_t (*VCHI_CONNECTION_SERVICE_DISCONNECT_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service_handle );
-
-// Routine to queue a message
-typedef int32_t (*VCHI_CONNECTION_SERVICE_QUEUE_MESSAGE_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service_handle,
- const void *data,
- uint32_t data_size,
- VCHI_FLAGS_T flags,
- void *msg_handle );
-
-// scatter-gather (vector) message queueing
-typedef int32_t (*VCHI_CONNECTION_SERVICE_QUEUE_MESSAGEV_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service_handle,
- VCHI_MSG_VECTOR_T *vector,
- uint32_t count,
- VCHI_FLAGS_T flags,
- void *msg_handle );
-
-// Routine to dequeue a message
-typedef int32_t (*VCHI_CONNECTION_SERVICE_DEQUEUE_MESSAGE_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service_handle,
- void *data,
- uint32_t max_data_size_to_read,
- uint32_t *actual_msg_size,
- VCHI_FLAGS_T flags );
-
-// Routine to peek at a message
-typedef int32_t (*VCHI_CONNECTION_SERVICE_PEEK_MESSAGE_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service_handle,
- void **data,
- uint32_t *msg_size,
- VCHI_FLAGS_T flags );
-
-// Routine to hold a message
-typedef int32_t (*VCHI_CONNECTION_SERVICE_HOLD_MESSAGE_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service_handle,
- void **data,
- uint32_t *msg_size,
- VCHI_FLAGS_T flags,
- void **message_handle );
-
-// Routine to initialise a received message iterator
-typedef int32_t (*VCHI_CONNECTION_SERVICE_LOOKAHEAD_MESSAGE_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service_handle,
- VCHI_MSG_ITER_T *iter,
- VCHI_FLAGS_T flags );
-
-// Routine to release a held message
-typedef int32_t (*VCHI_CONNECTION_HELD_MSG_RELEASE_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service_handle,
- void *message_handle );
-
-// Routine to get info on a held message
-typedef int32_t (*VCHI_CONNECTION_HELD_MSG_INFO_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service_handle,
- void *message_handle,
- void **data,
- int32_t *msg_size,
- uint32_t *tx_timestamp,
- uint32_t *rx_timestamp );
-
-// Routine to check whether the iterator has a next message
-typedef int32_t (*VCHI_CONNECTION_MSG_ITER_HAS_NEXT_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service,
- const VCHI_MSG_ITER_T *iter );
-
-// Routine to advance the iterator
-typedef int32_t (*VCHI_CONNECTION_MSG_ITER_NEXT_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service,
- VCHI_MSG_ITER_T *iter,
- void **data,
- uint32_t *msg_size );
-
-// Routine to remove the last message returned by the iterator
-typedef int32_t (*VCHI_CONNECTION_MSG_ITER_REMOVE_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service,
- VCHI_MSG_ITER_T *iter );
-
-// Routine to hold the last message returned by the iterator
-typedef int32_t (*VCHI_CONNECTION_MSG_ITER_HOLD_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service,
- VCHI_MSG_ITER_T *iter,
- void **msg_handle );
-
-// Routine to transmit bulk data
-typedef int32_t (*VCHI_CONNECTION_BULK_QUEUE_TRANSMIT_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service_handle,
- const void *data_src,
- uint32_t data_size,
- VCHI_FLAGS_T flags,
- void *bulk_handle );
-
-// Routine to receive data
-typedef int32_t (*VCHI_CONNECTION_BULK_QUEUE_RECEIVE_T)( VCHI_CONNECTION_SERVICE_HANDLE_T service_handle,
- void *data_dst,
- uint32_t data_size,
- VCHI_FLAGS_T flags,
- void *bulk_handle );
-
-// Routine to report if a server is available
-typedef int32_t (*VCHI_CONNECTION_SERVER_PRESENT)( VCHI_CONNECTION_STATE_T *state, int32_t service_id, int32_t peer_flags );
-
-// Routine to report the number of RX slots available
-typedef int (*VCHI_CONNECTION_RX_SLOTS_AVAILABLE)( const VCHI_CONNECTION_STATE_T *state );
-
-// Routine to report the RX slot size
-typedef uint32_t (*VCHI_CONNECTION_RX_SLOT_SIZE)( const VCHI_CONNECTION_STATE_T *state );
-
-// Callback to indicate that the other side has added a buffer to the rx bulk DMA FIFO
-typedef void (*VCHI_CONNECTION_RX_BULK_BUFFER_ADDED)(VCHI_CONNECTION_STATE_T *state,
- int32_t service,
- uint32_t length,
- MESSAGE_TX_CHANNEL_T channel,
- uint32_t channel_params,
- uint32_t data_length,
- uint32_t data_offset);
-
-// Callback to inform a service that a Xon or Xoff message has been received
-typedef void (*VCHI_CONNECTION_FLOW_CONTROL)(VCHI_CONNECTION_STATE_T *state, int32_t service_id, int32_t xoff);
-
-// Callback to inform a service that a server available reply message has been received
-typedef void (*VCHI_CONNECTION_SERVER_AVAILABLE_REPLY)(VCHI_CONNECTION_STATE_T *state, int32_t service_id, uint32_t flags);
-
-// Callback to indicate that bulk auxiliary messages have arrived
-typedef void (*VCHI_CONNECTION_BULK_AUX_RECEIVED)(VCHI_CONNECTION_STATE_T *state);
-
-// Callback to indicate that bulk auxiliary messages have arrived
-typedef void (*VCHI_CONNECTION_BULK_AUX_TRANSMITTED)(VCHI_CONNECTION_STATE_T *state, void *handle);
-
-// Callback with all the connection info you require
-typedef void (*VCHI_CONNECTION_INFO)(VCHI_CONNECTION_STATE_T *state, uint32_t protocol_version, uint32_t slot_size, uint32_t num_slots, uint32_t min_bulk_size);
-
-// Callback to inform of a disconnect
-typedef void (*VCHI_CONNECTION_DISCONNECT)(VCHI_CONNECTION_STATE_T *state, uint32_t flags);
-
-// Callback to inform of a power control request
-typedef void (*VCHI_CONNECTION_POWER_CONTROL)(VCHI_CONNECTION_STATE_T *state, MESSAGE_TX_CHANNEL_T channel, int32_t enable);
-
-// allocate memory suitably aligned for this connection
-typedef void * (*VCHI_BUFFER_ALLOCATE)(VCHI_CONNECTION_SERVICE_HANDLE_T service_handle, uint32_t * length);
-
-// free memory allocated by buffer_allocate
-typedef void (*VCHI_BUFFER_FREE)(VCHI_CONNECTION_SERVICE_HANDLE_T service_handle, void * address);
-
-/******************************************************************************
- System driver struct
- *****************************************************************************/
-
-struct opaque_vchi_connection_api_t {
- // Routine to init the connection
- VCHI_CONNECTION_INIT_T init;
-
- // Connection-level CRC control
- VCHI_CONNECTION_CRC_CONTROL_T crc_control;
-
- // Routine to connect to or create service
- VCHI_CONNECTION_SERVICE_CONNECT_T service_connect;
-
- // Routine to disconnect from a service
- VCHI_CONNECTION_SERVICE_DISCONNECT_T service_disconnect;
-
- // Routine to queue a message
- VCHI_CONNECTION_SERVICE_QUEUE_MESSAGE_T service_queue_msg;
-
- // scatter-gather (vector) message queue
- VCHI_CONNECTION_SERVICE_QUEUE_MESSAGEV_T service_queue_msgv;
-
- // Routine to dequeue a message
- VCHI_CONNECTION_SERVICE_DEQUEUE_MESSAGE_T service_dequeue_msg;
-
- // Routine to peek at a message
- VCHI_CONNECTION_SERVICE_PEEK_MESSAGE_T service_peek_msg;
-
- // Routine to hold a message
- VCHI_CONNECTION_SERVICE_HOLD_MESSAGE_T service_hold_msg;
-
- // Routine to initialise a received message iterator
- VCHI_CONNECTION_SERVICE_LOOKAHEAD_MESSAGE_T service_look_ahead_msg;
-
- // Routine to release a message
- VCHI_CONNECTION_HELD_MSG_RELEASE_T held_msg_release;
-
- // Routine to get information on a held message
- VCHI_CONNECTION_HELD_MSG_INFO_T held_msg_info;
-
- // Routine to check for next message on iterator
- VCHI_CONNECTION_MSG_ITER_HAS_NEXT_T msg_iter_has_next;
-
- // Routine to get next message on iterator
- VCHI_CONNECTION_MSG_ITER_NEXT_T msg_iter_next;
-
- // Routine to remove the last message returned by iterator
- VCHI_CONNECTION_MSG_ITER_REMOVE_T msg_iter_remove;
-
- // Routine to hold the last message returned by iterator
- VCHI_CONNECTION_MSG_ITER_HOLD_T msg_iter_hold;
-
- // Routine to transmit bulk data
- VCHI_CONNECTION_BULK_QUEUE_TRANSMIT_T bulk_queue_transmit;
-
- // Routine to receive data
- VCHI_CONNECTION_BULK_QUEUE_RECEIVE_T bulk_queue_receive;
-
- // Routine to report the available servers
- VCHI_CONNECTION_SERVER_PRESENT server_present;
-
- // Routine to report the number of RX slots available
- VCHI_CONNECTION_RX_SLOTS_AVAILABLE connection_rx_slots_available;
-
- // Routine to report the RX slot size
- VCHI_CONNECTION_RX_SLOT_SIZE connection_rx_slot_size;
-
- // Callback to indicate that the other side has added a buffer to the rx bulk DMA FIFO
- VCHI_CONNECTION_RX_BULK_BUFFER_ADDED rx_bulk_buffer_added;
-
- // Callback to inform a service that a Xon or Xoff message has been received
- VCHI_CONNECTION_FLOW_CONTROL flow_control;
-
- // Callback to inform a service that a server available reply message has been received
- VCHI_CONNECTION_SERVER_AVAILABLE_REPLY server_available_reply;
-
- // Callback to indicate that bulk auxiliary messages have arrived
- VCHI_CONNECTION_BULK_AUX_RECEIVED bulk_aux_received;
-
- // Callback to indicate that a bulk auxiliary message has been transmitted
- VCHI_CONNECTION_BULK_AUX_TRANSMITTED bulk_aux_transmitted;
-
- // Callback to provide information about the connection
- VCHI_CONNECTION_INFO connection_info;
-
- // Callback to notify that peer has requested disconnect
- VCHI_CONNECTION_DISCONNECT disconnect;
-
- // Callback to notify that peer has requested power change
- VCHI_CONNECTION_POWER_CONTROL power_control;
-
- // allocate memory suitably aligned for this connection
- VCHI_BUFFER_ALLOCATE buffer_allocate;
-
- // free memory allocated by buffer_allocate
- VCHI_BUFFER_FREE buffer_free;
-
-};
-
-struct vchi_connection_t {
- const VCHI_CONNECTION_API_T *api;
- VCHI_CONNECTION_STATE_T *state;
-#ifdef VCHI_COARSE_LOCKING
- struct semaphore sem;
-#endif
-};
-
-#endif /* CONNECTION_H_ */
-
-/****************************** End of file **********************************/
+++ /dev/null
-/**
- * Copyright (c) 2010-2012 Broadcom. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The names of the above-listed copyright holders may not be used
- * to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * ALTERNATIVELY, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2, as published by the Free
- * Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _VCHI_MESSAGE_H_
-#define _VCHI_MESSAGE_H_
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/semaphore.h>
-
-#include "interface/vchi/vchi_cfg_internal.h"
-#include "interface/vchi/vchi_common.h"
-
-typedef enum message_event_type {
- MESSAGE_EVENT_NONE,
- MESSAGE_EVENT_NOP,
- MESSAGE_EVENT_MESSAGE,
- MESSAGE_EVENT_SLOT_COMPLETE,
- MESSAGE_EVENT_RX_BULK_PAUSED,
- MESSAGE_EVENT_RX_BULK_COMPLETE,
- MESSAGE_EVENT_TX_COMPLETE,
- MESSAGE_EVENT_MSG_DISCARDED
-} MESSAGE_EVENT_TYPE_T;
-
-typedef enum vchi_msg_flags {
- VCHI_MSG_FLAGS_NONE = 0x0,
- VCHI_MSG_FLAGS_TERMINATE_DMA = 0x1
-} VCHI_MSG_FLAGS_T;
-
-typedef enum message_tx_channel {
- MESSAGE_TX_CHANNEL_MESSAGE = 0,
- MESSAGE_TX_CHANNEL_BULK = 1 // drivers may provide multiple bulk channels, from 1 upwards
-} MESSAGE_TX_CHANNEL_T;
-
-// Macros used for cycling through bulk channels
-#define MESSAGE_TX_CHANNEL_BULK_PREV(c) (MESSAGE_TX_CHANNEL_BULK+((c)-MESSAGE_TX_CHANNEL_BULK+VCHI_MAX_BULK_TX_CHANNELS_PER_CONNECTION-1)%VCHI_MAX_BULK_TX_CHANNELS_PER_CONNECTION)
-#define MESSAGE_TX_CHANNEL_BULK_NEXT(c) (MESSAGE_TX_CHANNEL_BULK+((c)-MESSAGE_TX_CHANNEL_BULK+1)%VCHI_MAX_BULK_TX_CHANNELS_PER_CONNECTION)
-
-typedef enum message_rx_channel {
- MESSAGE_RX_CHANNEL_MESSAGE = 0,
- MESSAGE_RX_CHANNEL_BULK = 1 // drivers may provide multiple bulk channels, from 1 upwards
-} MESSAGE_RX_CHANNEL_T;
-
-// Message receive slot information
-typedef struct rx_msg_slot_info {
-
- struct rx_msg_slot_info *next;
- //struct slot_info *prev;
-#if !defined VCHI_COARSE_LOCKING
- struct semaphore sem;
-#endif
-
- uint8_t *addr; // base address of slot
- uint32_t len; // length of slot in bytes
-
- uint32_t write_ptr; // hardware causes this to advance
- uint32_t read_ptr; // this module does the reading
- int active; // is this slot in the hardware dma fifo?
- uint32_t msgs_parsed; // count how many messages are in this slot
- uint32_t msgs_released; // how many messages have been released
- void *state; // connection state information
- uint8_t ref_count[VCHI_MAX_SERVICES_PER_CONNECTION]; // reference count for slots held by services
-} RX_MSG_SLOTINFO_T;
-
-// The message driver no longer needs to know about the fields of RX_BULK_SLOTINFO_T - sort this out.
-// In particular, it mustn't use addr and len - they're the client buffer, but the message
-// driver will be tasked with sending the aligned core section.
-typedef struct rx_bulk_slotinfo_t {
- struct rx_bulk_slotinfo_t *next;
-
- struct semaphore *blocking;
-
- // needed by DMA
- void *addr;
- uint32_t len;
-
- // needed for the callback
- void *service;
- void *handle;
- VCHI_FLAGS_T flags;
-} RX_BULK_SLOTINFO_T;
-
-/* ----------------------------------------------------------------------
- * each connection driver will have a pool of the following struct.
- *
- * the pool will be managed by vchi_qman_*
- * this means there will be multiple queues (single linked lists)
- * a given struct message_info will be on exactly one of these queues
- * at any one time
- * -------------------------------------------------------------------- */
-typedef struct rx_message_info {
-
- struct message_info *next;
- //struct message_info *prev;
-
- uint8_t *addr;
- uint32_t len;
- RX_MSG_SLOTINFO_T *slot; // points to whichever slot contains this message
- uint32_t tx_timestamp;
- uint32_t rx_timestamp;
-
-} RX_MESSAGE_INFO_T;
-
-typedef struct {
- MESSAGE_EVENT_TYPE_T type;
-
- struct {
- // for messages
- void *addr; // address of message
- uint16_t slot_delta; // whether this message indicated slot delta
- uint32_t len; // length of message
- RX_MSG_SLOTINFO_T *slot; // slot this message is in
- int32_t service; // service id this message is destined for
- uint32_t tx_timestamp; // timestamp from the header
- uint32_t rx_timestamp; // timestamp when we parsed it
- } message;
-
- // FIXME: cleanup slot reporting...
- RX_MSG_SLOTINFO_T *rx_msg;
- RX_BULK_SLOTINFO_T *rx_bulk;
- void *tx_handle;
- MESSAGE_TX_CHANNEL_T tx_channel;
-
-} MESSAGE_EVENT_T;
-
-// callbacks
-typedef void VCHI_MESSAGE_DRIVER_EVENT_CALLBACK_T( void *state );
-
-typedef struct {
- VCHI_MESSAGE_DRIVER_EVENT_CALLBACK_T *event_callback;
-} VCHI_MESSAGE_DRIVER_OPEN_T;
-
-// handle to this instance of message driver (as returned by ->open)
-typedef struct opaque_mhandle_t *VCHI_MDRIVER_HANDLE_T;
-
-struct opaque_vchi_message_driver_t {
- VCHI_MDRIVER_HANDLE_T *(*open)( VCHI_MESSAGE_DRIVER_OPEN_T *params, void *state );
- int32_t (*suspending)( VCHI_MDRIVER_HANDLE_T *handle );
- int32_t (*resumed)( VCHI_MDRIVER_HANDLE_T *handle );
- int32_t (*power_control)( VCHI_MDRIVER_HANDLE_T *handle, MESSAGE_TX_CHANNEL_T, int32_t enable );
- int32_t (*add_msg_rx_slot)( VCHI_MDRIVER_HANDLE_T *handle, RX_MSG_SLOTINFO_T *slot ); // rx message
- int32_t (*add_bulk_rx)( VCHI_MDRIVER_HANDLE_T *handle, void *data, uint32_t len, RX_BULK_SLOTINFO_T *slot ); // rx data (bulk)
- int32_t (*send)( VCHI_MDRIVER_HANDLE_T *handle, MESSAGE_TX_CHANNEL_T channel, const void *data, uint32_t len, VCHI_MSG_FLAGS_T flags, void *send_handle ); // tx (message & bulk)
- void (*next_event)( VCHI_MDRIVER_HANDLE_T *handle, MESSAGE_EVENT_T *event ); // get the next event from message_driver
- int32_t (*enable)( VCHI_MDRIVER_HANDLE_T *handle );
- int32_t (*form_message)( VCHI_MDRIVER_HANDLE_T *handle, int32_t service_id, VCHI_MSG_VECTOR_T *vector, uint32_t count, void
- *address, uint32_t length_avail, uint32_t max_total_length, int32_t pad_to_fill, int32_t allow_partial );
-
- int32_t (*update_message)( VCHI_MDRIVER_HANDLE_T *handle, void *dest, int16_t *slot_count );
- int32_t (*buffer_aligned)( VCHI_MDRIVER_HANDLE_T *handle, int tx, int uncached, const void *address, const uint32_t length );
- void * (*allocate_buffer)( VCHI_MDRIVER_HANDLE_T *handle, uint32_t *length );
- void (*free_buffer)( VCHI_MDRIVER_HANDLE_T *handle, void *address );
- int (*rx_slot_size)( VCHI_MDRIVER_HANDLE_T *handle, int msg_size );
- int (*tx_slot_size)( VCHI_MDRIVER_HANDLE_T *handle, int msg_size );
-
- int32_t (*tx_supports_terminate)( const VCHI_MDRIVER_HANDLE_T *handle, MESSAGE_TX_CHANNEL_T channel );
- uint32_t (*tx_bulk_chunk_size)( const VCHI_MDRIVER_HANDLE_T *handle, MESSAGE_TX_CHANNEL_T channel );
- int (*tx_alignment)( const VCHI_MDRIVER_HANDLE_T *handle, MESSAGE_TX_CHANNEL_T channel );
- int (*rx_alignment)( const VCHI_MDRIVER_HANDLE_T *handle, MESSAGE_RX_CHANNEL_T channel );
- void (*form_bulk_aux)( VCHI_MDRIVER_HANDLE_T *handle, MESSAGE_TX_CHANNEL_T channel, const void *data, uint32_t len, uint32_t chunk_size, const void **aux_data, int32_t *aux_len );
- void (*debug)( VCHI_MDRIVER_HANDLE_T *handle );
-};
-
-#endif // _VCHI_MESSAGE_H_
-
-/****************************** End of file ***********************************/
#include "interface/vchi/vchi_cfg.h"
#include "interface/vchi/vchi_common.h"
-#include "interface/vchi/connections/connection.h"
#include "vchi_mh.h"
/******************************************************************************
+++ /dev/null
-/**
- * Copyright (c) 2010-2012 Broadcom. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The names of the above-listed copyright holders may not be used
- * to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * ALTERNATIVELY, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2, as published by the Free
- * Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef VCHI_CFG_INTERNAL_H_
-#define VCHI_CFG_INTERNAL_H_
-
-/****************************************************************************************
- * Control optimisation attempts.
- ***************************************************************************************/
-
-// Don't use lots of short-term locks - use great long ones, reducing the overall locks-per-second
-#define VCHI_COARSE_LOCKING
-
-// Avoid lock then unlock on exit from blocking queue operations (msg tx, bulk rx/tx)
-// (only relevant if VCHI_COARSE_LOCKING)
-#define VCHI_ELIDE_BLOCK_EXIT_LOCK
-
-// Avoid lock on non-blocking peek
-// (only relevant if VCHI_COARSE_LOCKING)
-#define VCHI_AVOID_PEEK_LOCK
-
-// Use one slot-handler thread per connection, rather than 1 thread dealing with all connections in rotation.
-#define VCHI_MULTIPLE_HANDLER_THREADS
-
-// Put free descriptors onto the head of the free queue, rather than the tail, so that we don't thrash
-// our way through the pool of descriptors.
-#define VCHI_PUSH_FREE_DESCRIPTORS_ONTO_HEAD
-
-// Don't issue a MSG_AVAILABLE callback for every single message. Possibly only safe if VCHI_COARSE_LOCKING.
-#define VCHI_FEWER_MSG_AVAILABLE_CALLBACKS
-
-// Don't use message descriptors for TX messages that don't need them
-#define VCHI_MINIMISE_TX_MSG_DESCRIPTORS
-
-// Nano-locks for multiqueue
-//#define VCHI_MQUEUE_NANOLOCKS
-
-// Lock-free(er) dequeuing
-//#define VCHI_RX_NANOLOCKS
-
-#endif /*VCHI_CFG_INTERNAL_H_*/
projects / linux-2.6-microblaze.git / commitdiff