diff options
Diffstat (limited to 'drivers/staging/vc04_services/interface/vchi')
3 files changed, 171 insertions, 131 deletions
diff --git a/drivers/staging/vc04_services/interface/vchi/vchi.h b/drivers/staging/vc04_services/interface/vchi/vchi.h index f85562b9ba9e..56b1037d8e25 100644 --- a/drivers/staging/vc04_services/interface/vchi/vchi.h +++ b/drivers/staging/vc04_services/interface/vchi/vchi.h @@ -8,17 +8,17 @@ #include "interface/vchi/vchi_common.h" /****************************************************************************** - Global defs + * Global defs *****************************************************************************/ -#define VCHI_BULK_ROUND_UP(x) ((((unsigned long)(x))+VCHI_BULK_ALIGN-1) & ~(VCHI_BULK_ALIGN-1)) -#define VCHI_BULK_ROUND_DOWN(x) (((unsigned long)(x)) & ~(VCHI_BULK_ALIGN-1)) -#define VCHI_BULK_ALIGN_NBYTES(x) (VCHI_BULK_ALIGNED(x) ? 0 : (VCHI_BULK_ALIGN - ((unsigned long)(x) & (VCHI_BULK_ALIGN-1)))) +#define VCHI_BULK_ROUND_UP(x) ((((unsigned long)(x)) + VCHI_BULK_ALIGN - 1) & ~(VCHI_BULK_ALIGN - 1)) +#define VCHI_BULK_ROUND_DOWN(x) (((unsigned long)(x)) & ~(VCHI_BULK_ALIGN - 1)) +#define VCHI_BULK_ALIGN_NBYTES(x) (VCHI_BULK_ALIGNED(x) ? 0 : (VCHI_BULK_ALIGN - ((unsigned long)(x) & (VCHI_BULK_ALIGN - 1)))) #ifdef USE_VCHIQ_ARM #define VCHI_BULK_ALIGNED(x) 1 #else -#define VCHI_BULK_ALIGNED(x) (((unsigned long)(x) & (VCHI_BULK_ALIGN-1)) == 0) +#define VCHI_BULK_ALIGNED(x) (((unsigned long)(x) & (VCHI_BULK_ALIGN - 1)) == 0) #endif struct vchi_version { @@ -45,18 +45,19 @@ struct vchi_held_msg { struct service_creation { struct vchi_version version; int32_t service_id; - VCHI_CALLBACK_T callback; + vchi_callback callback; void *callback_param; }; // Opaque handle for a VCHI instance -typedef struct opaque_vchi_instance_handle_t *VCHI_INSTANCE_T; +struct vchi_instance_handle; // Opaque handle for a server or client -typedef struct opaque_vchi_service_handle_t *VCHI_SERVICE_HANDLE_T; +struct vchi_service_handle; /****************************************************************************** - Global funcs - implementation is specific to which side you are on (local / remote) + * Global funcs - implementation is specific to which side you are on + * (local / remote) *****************************************************************************/ #ifdef __cplusplus @@ -64,98 +65,99 @@ extern "C" { #endif // Routine used to initialise the vchi on both local + remote connections -extern int32_t vchi_initialise(VCHI_INSTANCE_T *instance_handle); +extern int32_t vchi_initialise(struct vchi_instance_handle **instance_handle); extern int32_t vchi_exit(void); -extern int32_t vchi_connect(VCHI_INSTANCE_T instance_handle); +extern int32_t vchi_connect(struct vchi_instance_handle *instance_handle); //When this is called, ensure that all services have no data pending. //Bulk transfers can remain 'queued' -extern int32_t vchi_disconnect(VCHI_INSTANCE_T instance_handle); +extern int32_t vchi_disconnect(struct vchi_instance_handle *instance_handle); // helper functions -extern void *vchi_allocate_buffer(VCHI_SERVICE_HANDLE_T handle, uint32_t *length); -extern void vchi_free_buffer(VCHI_SERVICE_HANDLE_T handle, void *address); -extern uint32_t vchi_current_time(VCHI_INSTANCE_T instance_handle); +extern void *vchi_allocate_buffer(struct vchi_service_handle *handle, uint32_t *length); +extern void vchi_free_buffer(struct vchi_service_handle *handle, void *address); +extern uint32_t vchi_current_time(struct vchi_instance_handle *instance_handle); /****************************************************************************** - Global service API + * Global service API *****************************************************************************/ // Routine to destroy a service -extern int32_t vchi_service_destroy(const VCHI_SERVICE_HANDLE_T handle); +extern int32_t vchi_service_destroy(const struct vchi_service_handle *handle); // Routine to open a named service -extern int32_t vchi_service_open(VCHI_INSTANCE_T instance_handle, +extern int32_t vchi_service_open(struct vchi_instance_handle *instance_handle, struct service_creation *setup, - VCHI_SERVICE_HANDLE_T *handle); + struct vchi_service_handle **handle); -extern int32_t vchi_get_peer_version(const VCHI_SERVICE_HANDLE_T handle, +extern int32_t vchi_get_peer_version(const struct vchi_service_handle *handle, short *peer_version); // Routine to close a named service -extern int32_t vchi_service_close(const VCHI_SERVICE_HANDLE_T handle); +extern int32_t vchi_service_close(const struct vchi_service_handle *handle); // Routine to increment ref count on a named service -extern int32_t vchi_service_use(const VCHI_SERVICE_HANDLE_T handle); +extern int32_t vchi_service_use(const struct vchi_service_handle *handle); // Routine to decrement ref count on a named service -extern int32_t vchi_service_release(const VCHI_SERVICE_HANDLE_T handle); +extern int32_t vchi_service_release(const struct vchi_service_handle *handle); // Routine to set a control option for a named service -extern int32_t vchi_service_set_option(const VCHI_SERVICE_HANDLE_T handle, - VCHI_SERVICE_OPTION_T option, - int value); +extern int32_t vchi_service_set_option(const struct vchi_service_handle *handle, + enum vchi_service_option option, + int value); /* Routine to send a message from kernel memory across a service */ extern int -vchi_queue_kernel_message(VCHI_SERVICE_HANDLE_T handle, +vchi_queue_kernel_message(struct vchi_service_handle *handle, void *data, unsigned int size); /* Routine to send a message from user memory across a service */ extern int -vchi_queue_user_message(VCHI_SERVICE_HANDLE_T handle, +vchi_queue_user_message(struct vchi_service_handle *handle, void __user *data, unsigned int size); // Routine to receive a msg from a service // Dequeue is equivalent to hold, copy into client buffer, release -extern int32_t vchi_msg_dequeue(VCHI_SERVICE_HANDLE_T handle, +extern int32_t vchi_msg_dequeue(struct vchi_service_handle *handle, void *data, uint32_t max_data_size_to_read, uint32_t *actual_msg_size, - VCHI_FLAGS_T flags); + enum vchi_flags flags); // Routine to look at a message in place. // The message is not dequeued, so a subsequent call to peek or dequeue // will return the same message. -extern int32_t vchi_msg_peek(VCHI_SERVICE_HANDLE_T handle, +extern int32_t vchi_msg_peek(struct vchi_service_handle *handle, void **data, uint32_t *msg_size, - VCHI_FLAGS_T flags); + enum vchi_flags flags); // Routine to remove a message after it has been read in place with peek // The first message on the queue is dequeued. -extern int32_t vchi_msg_remove(VCHI_SERVICE_HANDLE_T handle); +extern int32_t vchi_msg_remove(struct vchi_service_handle *handle); // Routine to look at a message in place. // The message is dequeued, so the caller is left holding it; the descriptor is // filled in and must be released when the user has finished with the message. -extern int32_t vchi_msg_hold(VCHI_SERVICE_HANDLE_T handle, +extern int32_t vchi_msg_hold(struct vchi_service_handle *handle, void **data, // } may be NULL, as info can be uint32_t *msg_size, // } obtained from HELD_MSG_T - VCHI_FLAGS_T flags, + enum vchi_flags flags, struct vchi_held_msg *message_descriptor); // Initialise an iterator to look through messages in place -extern int32_t vchi_msg_look_ahead(VCHI_SERVICE_HANDLE_T handle, +extern int32_t vchi_msg_look_ahead(struct vchi_service_handle *handle, struct vchi_msg_iter *iter, - VCHI_FLAGS_T flags); + enum vchi_flags flags); -/****************************************************************************** - Global service support API - operations on held messages and message iterators - *****************************************************************************/ +/******************************************************************************* + * Global service support API - operations on held messages + * and message iterators + ******************************************************************************/ // Routine to get the address of a held message extern void *vchi_held_msg_ptr(const struct vchi_held_msg *message); @@ -196,42 +198,42 @@ extern int32_t vchi_msg_iter_hold_next(struct vchi_msg_iter *iter, struct vchi_held_msg *message); /****************************************************************************** - Global bulk API + * Global bulk API *****************************************************************************/ // Routine to prepare interface for a transfer from the other side -extern int32_t vchi_bulk_queue_receive(VCHI_SERVICE_HANDLE_T handle, +extern int32_t vchi_bulk_queue_receive(struct vchi_service_handle *handle, void *data_dst, uint32_t data_size, - VCHI_FLAGS_T flags, + enum vchi_flags flags, void *transfer_handle); // Prepare interface for a transfer from the other side into relocatable memory. -int32_t vchi_bulk_queue_receive_reloc(const VCHI_SERVICE_HANDLE_T handle, +int32_t vchi_bulk_queue_receive_reloc(const struct vchi_service_handle *handle, uint32_t offset, uint32_t data_size, - const VCHI_FLAGS_T flags, + const enum vchi_flags flags, void * const bulk_handle); // Routine to queue up data ready for transfer to the other (once they have signalled they are ready) -extern int32_t vchi_bulk_queue_transmit(VCHI_SERVICE_HANDLE_T handle, +extern int32_t vchi_bulk_queue_transmit(struct vchi_service_handle *handle, const void *data_src, uint32_t data_size, - VCHI_FLAGS_T flags, + enum vchi_flags flags, void *transfer_handle); /****************************************************************************** - Configuration plumbing + * Configuration plumbing *****************************************************************************/ #ifdef __cplusplus } #endif -extern int32_t vchi_bulk_queue_transmit_reloc(VCHI_SERVICE_HANDLE_T handle, +extern int32_t vchi_bulk_queue_transmit_reloc(struct vchi_service_handle *handle, uint32_t offset, uint32_t data_size, - VCHI_FLAGS_T flags, + enum vchi_flags flags, void *transfer_handle); #endif /* VCHI_H_ */ diff --git a/drivers/staging/vc04_services/interface/vchi/vchi_cfg.h b/drivers/staging/vc04_services/interface/vchi/vchi_cfg.h index 89aa4e6122cd..138c36151a22 100644 --- a/drivers/staging/vc04_services/interface/vchi/vchi_cfg.h +++ b/drivers/staging/vc04_services/interface/vchi/vchi_cfg.h @@ -4,13 +4,17 @@ #ifndef VCHI_CFG_H_ #define VCHI_CFG_H_ -/**************************************************************************************** - * Defines in this first section are part of the VCHI API and may be examined by VCHI - * services. - ***************************************************************************************/ - -/* Required alignment of base addresses for bulk transfer, if unaligned transfers are not enabled */ -/* Really determined by the message driver, and should be available from a run-time call. */ +/******************************************************************************* + * Defines in this first section are part of the VCHI API and may be examined by + * VCHI services. + ******************************************************************************/ + +/* + * Required alignment of base addresses for bulk transfer, if unaligned + * transfers are not enabled + * Really determined by the message driver, and should be available from + * a run-time call. + */ #ifndef VCHI_BULK_ALIGN # if __VCCOREVER__ >= 0x04000000 # define VCHI_BULK_ALIGN 32 // Allows for the need to do cache cleans @@ -19,9 +23,13 @@ # endif #endif -/* Required length multiple for bulk transfers, if unaligned transfers are not enabled */ -/* May be less than or greater than VCHI_BULK_ALIGN */ -/* Really determined by the message driver, and should be available from a run-time call. */ +/* + * Required length multiple for bulk transfers, if unaligned transfers are + * not enabled + * May be less than or greater than VCHI_BULK_ALIGN + * Really determined by the message driver, and should be available from + * a run-time call. + */ #ifndef VCHI_BULK_GRANULARITY # if __VCCOREVER__ >= 0x04000000 # define VCHI_BULK_GRANULARITY 32 // Allows for the need to do cache cleans @@ -39,19 +47,24 @@ # endif #endif -/****************************************************************************************** - * Defines below are system configuration options, and should not be used by VCHI services. - *****************************************************************************************/ +/****************************************************************************** + * Defines below are system configuration options, and should not be used by + * VCHI services. + ******************************************************************************/ -/* How many connections can we support? A localhost implementation uses 2 connections, - * 1 for host-app, 1 for VMCS, and these are hooked together by a loopback MPHI VCFW - * driver. */ +/* + * How many connections can we support? A localhost implementation uses + * 2 connections, 1 for host-app, 1 for VMCS, and these are hooked together + * by a loopback MPHI VCFW driver. + */ #ifndef VCHI_MAX_NUM_CONNECTIONS # define VCHI_MAX_NUM_CONNECTIONS 3 #endif -/* How many services can we open per connection? Extending this doesn't cost processing time, just a small - * amount of static memory. */ +/* + * How many services can we open per connection? Extending this doesn't cost + * processing time, just a small amount of static memory. + */ #ifndef VCHI_MAX_SERVICES_PER_CONNECTION # define VCHI_MAX_SERVICES_PER_CONNECTION 36 #endif @@ -66,8 +79,10 @@ # define VCHI_MAX_BULK_RX_CHANNELS_PER_CONNECTION 1 // 1 MPHI #endif -/* How many receive slots do we use. This times VCHI_MAX_MSG_SIZE gives the effective - * receive queue space, less message headers. */ +/* + * How many receive slots do we use. This times VCHI_MAX_MSG_SIZE gives the + * effective receive queue space, less message headers. + */ #ifndef VCHI_NUM_READ_SLOTS # if defined(VCHI_LOCAL_HOST_PORT) # define VCHI_NUM_READ_SLOTS 4 @@ -76,112 +91,141 @@ # endif #endif -/* Do we utilise overrun facility for receive message slots? Can aid peer transmit - * performance. Only define on VideoCore end, talking to host. +/* + * Do we utilise overrun facility for receive message slots? Can aid peer + * transmit performance. Only define on VideoCore end, talking to host. */ //#define VCHI_MSG_RX_OVERRUN -/* How many transmit slots do we use. Generally don't need many, as the hardware driver - * underneath VCHI will usually have its own buffering. */ +/* + * How many transmit slots do we use. Generally don't need many, + * as the hardware driver underneath VCHI will usually have its own buffering. + */ #ifndef VCHI_NUM_WRITE_SLOTS # define VCHI_NUM_WRITE_SLOTS 4 #endif -/* If a service has held or queued received messages in VCHI_XOFF_THRESHOLD or more slots, - * then it's taking up too much buffer space, and the peer service will be told to stop - * transmitting with an XOFF message. For this to be effective, the VCHI_NUM_READ_SLOTS - * needs to be considerably bigger than VCHI_NUM_WRITE_SLOTS, or the transmit latency - * is too high. */ +/* + * If a service has held or queued received messages in VCHI_XOFF_THRESHOLD or + * more slots, then it's taking up too much buffer space, + * and the peer service will be told to stop transmitting with an XOFF message. + * For this to be effective, the VCHI_NUM_READ_SLOTS needs to be considerably + * bigger than VCHI_NUM_WRITE_SLOTS, or the transmit latency is too high. + */ #ifndef VCHI_XOFF_THRESHOLD # define VCHI_XOFF_THRESHOLD (VCHI_NUM_READ_SLOTS / 2) #endif -/* After we've sent an XOFF, the peer will be told to resume transmission once the local - * service has dequeued/released enough messages that it's now occupying - * VCHI_XON_THRESHOLD slots or fewer. */ +/* + * After we've sent an XOFF, the peer will be told to resume transmission + * once the local service has dequeued/released enough messages that it's now + * occupying VCHI_XON_THRESHOLD slots or fewer. + */ #ifndef VCHI_XON_THRESHOLD # define VCHI_XON_THRESHOLD (VCHI_NUM_READ_SLOTS / 4) #endif -/* A size below which a bulk transfer omits the handshake completely and always goes - * via the message channel, if bulk auxiliary is being sent on that service. (The user - * can guarantee this by enabling unaligned transmits). - * Not API. */ +/* + * A size below which a bulk transfer omits the handshake completely and always + * goes via the message channel, if bulk auxiliary is being sent on that + * service. (The user can guarantee this by enabling unaligned transmits). + * Not API. + */ #ifndef VCHI_MIN_BULK_SIZE # define VCHI_MIN_BULK_SIZE (VCHI_MAX_MSG_SIZE / 2 < 4096 ? VCHI_MAX_MSG_SIZE / 2 : 4096) #endif -/* Maximum size of bulk transmission chunks, for each interface type. A trade-off between - * speed and latency; the smaller the chunk size the better change of messages and other - * bulk transmissions getting in when big bulk transfers are happening. Set to 0 to not - * break transmissions into chunks. +/* + * Maximum size of bulk transmission chunks, for each interface type. + * A trade-off between speed and latency; the smaller the chunk size the better + * change of messages and other bulk transmissions getting in when big bulk + * transfers are happening. Set to 0 to not break transmissions into chunks. */ #ifndef VCHI_MAX_BULK_CHUNK_SIZE_MPHI # define VCHI_MAX_BULK_CHUNK_SIZE_MPHI (16 * 1024) #endif -/* NB Chunked CCP2 transmissions violate the letter of the CCP2 spec by using "JPEG8" mode - * with multiple-line frames. Only use if the receiver can cope. */ +/* + * NB Chunked CCP2 transmissions violate the letter of the CCP2 spec + * by using "JPEG8" mode with multiple-line frames. Only use if the receiver + * can cope. + */ #ifndef VCHI_MAX_BULK_CHUNK_SIZE_CCP2 # define VCHI_MAX_BULK_CHUNK_SIZE_CCP2 0 #endif -/* How many TX messages can we have pending in our transmit slots. Once exhausted, - * vchi_msg_queue will be blocked. */ +/* + * How many TX messages can we have pending in our transmit slots. + * Once exhausted, vchi_msg_queue will be blocked. + */ #ifndef VCHI_TX_MSG_QUEUE_SIZE # define VCHI_TX_MSG_QUEUE_SIZE 256 #endif -/* How many RX messages can we have parsed in the receive slots. Once exhausted, parsing - * will be suspended until older messages are dequeued/released. */ +/* + * How many RX messages can we have parsed in the receive slots. Once exhausted, + * parsing will be suspended until older messages are dequeued/released. + */ #ifndef VCHI_RX_MSG_QUEUE_SIZE # define VCHI_RX_MSG_QUEUE_SIZE 256 #endif -/* Really should be able to cope if we run out of received message descriptors, by - * suspending parsing as the comment above says, but we don't. This sweeps the issue - * under the carpet. */ -#if VCHI_RX_MSG_QUEUE_SIZE < (VCHI_MAX_MSG_SIZE/16 + 1) * VCHI_NUM_READ_SLOTS +/* + * Really should be able to cope if we run out of received message descriptors, + * by suspending parsing as the comment above says, but we don't. + * This sweeps the issue under the carpet. + */ +#if VCHI_RX_MSG_QUEUE_SIZE < (VCHI_MAX_MSG_SIZE / 16 + 1) * VCHI_NUM_READ_SLOTS # undef VCHI_RX_MSG_QUEUE_SIZE -# define VCHI_RX_MSG_QUEUE_SIZE ((VCHI_MAX_MSG_SIZE/16 + 1) * VCHI_NUM_READ_SLOTS) +# define VCHI_RX_MSG_QUEUE_SIZE ((VCHI_MAX_MSG_SIZE / 16 + 1) * VCHI_NUM_READ_SLOTS) #endif -/* How many bulk transmits can we have pending. Once exhausted, vchi_bulk_queue_transmit - * will be blocked. */ +/* + * How many bulk transmits can we have pending. Once exhausted, + * vchi_bulk_queue_transmit will be blocked. + */ #ifndef VCHI_TX_BULK_QUEUE_SIZE # define VCHI_TX_BULK_QUEUE_SIZE 64 #endif -/* How many bulk receives can we have pending. Once exhausted, vchi_bulk_queue_receive - * will be blocked. */ +/* + * How many bulk receives can we have pending. Once exhausted, + *vchi_bulk_queue_receive will be blocked. + */ #ifndef VCHI_RX_BULK_QUEUE_SIZE # define VCHI_RX_BULK_QUEUE_SIZE 64 #endif -/* A limit on how many outstanding bulk requests we expect the peer to give us. If - * the peer asks for more than this, VCHI will fail and assert. The number is determined - * by the peer's hardware - it's the number of outstanding requests that can be queued - * on all bulk channels. VC3's MPHI peripheral allows 16. */ +/* + * A limit on how many outstanding bulk requests we expect the peer to give us. + * If the peer asks for more than this, VCHI will fail and assert. + * The number is determined by the peer's hardware + * - it's the number of outstanding requests that can be queued + * on all bulk channels. VC3's MPHI peripheral allows 16. + */ #ifndef VCHI_MAX_PEER_BULK_REQUESTS # define VCHI_MAX_PEER_BULK_REQUESTS 32 #endif -/* Define VCHI_CCP2TX_MANUAL_POWER if the host tells us when to turn the CCP2 +/* + * Define VCHI_CCP2TX_MANUAL_POWER if the host tells us when to turn the CCP2 * transmitter on and off. */ /*#define VCHI_CCP2TX_MANUAL_POWER*/ #ifndef VCHI_CCP2TX_MANUAL_POWER -/* Timeout (in milliseconds) for putting the CCP2TX interface into IDLE state. Set - * negative for no IDLE. +/* + * Timeout (in milliseconds) for putting the CCP2TX interface into IDLE state. + * Set negative for no IDLE. */ # ifndef VCHI_CCP2TX_IDLE_TIMEOUT # define VCHI_CCP2TX_IDLE_TIMEOUT 5 # endif -/* Timeout (in milliseconds) for putting the CCP2TX interface into OFF state. Set - * negative for no OFF. +/* + * Timeout (in milliseconds) for putting the CCP2TX interface into OFF state. + * Set negative for no OFF. */ # ifndef VCHI_CCP2TX_OFF_TIMEOUT # define VCHI_CCP2TX_OFF_TIMEOUT 1000 diff --git a/drivers/staging/vc04_services/interface/vchi/vchi_common.h b/drivers/staging/vc04_services/interface/vchi/vchi_common.h index e7955cbaf26a..141af16ce031 100644 --- a/drivers/staging/vc04_services/interface/vchi/vchi_common.h +++ b/drivers/staging/vc04_services/interface/vchi/vchi_common.h @@ -5,7 +5,7 @@ #define VCHI_COMMON_H_ //flags used when sending messages (must be bitmapped) -typedef enum { +enum vchi_flags { 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 @@ -20,17 +20,17 @@ typedef enum { 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 { +enum vchi_crc_control { 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 { +enum vchi_callback_reason { VCHI_CALLBACK_REASON_MIN, //This indicates that there is data available @@ -73,22 +73,22 @@ typedef enum { VCHI_CALLBACK_BULK_TRANSMIT_ABORTED, VCHI_CALLBACK_REASON_MAX -} VCHI_CALLBACK_REASON_T; +}; // service control options -typedef enum { +enum vchi_service_option { VCHI_SERVICE_OPTION_MIN, VCHI_SERVICE_OPTION_TRACE, VCHI_SERVICE_OPTION_SYNCHRONOUS, 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 +typedef void (*vchi_callback)(void *callback_param, //my service local param + enum vchi_callback_reason reason, + void *handle); //for transmitting msg's only /* * Define vector struct for scatter-gather (vector) operations @@ -112,12 +112,6 @@ struct vchi_msg_vector { int32_t vec_len; }; -// Opaque type for a connection API -typedef struct opaque_vchi_connection_api_t VCHI_CONNECTION_API_T; - -// Opaque type for a message driver -typedef struct opaque_vchi_message_driver_t VCHI_MESSAGE_DRIVER_T; - // Iterator structure for reading ahead through received message queue. Allocated by client, // initialised by vchi_msg_look_ahead. Fields are for internal VCHI use only. // Iterates over messages in queue at the instant of the call to vchi_msg_lookahead - |