#define PHY_CONFIG_ROOT_ID(node_id) ((((node_id) & 0x3f) << 24) | (1 << 23))
#define PHY_IDENTIFIER(id) ((id) << 30)
-static int
-close_transaction(struct fw_transaction *transaction,
- struct fw_card *card, int rcode,
- u32 *payload, size_t length)
+static int close_transaction(struct fw_transaction *transaction,
+ struct fw_card *card, int rcode)
{
struct fw_transaction *t;
unsigned long flags;
spin_unlock_irqrestore(&card->lock, flags);
if (&t->link != &card->transaction_list) {
- t->callback(card, rcode, payload, length, t->callback_data);
+ t->callback(card, rcode, NULL, 0, t->callback_data);
return 0;
}
* Only valid for transactions that are potentially pending (ie have
* been sent).
*/
-int
-fw_cancel_transaction(struct fw_card *card,
- struct fw_transaction *transaction)
+int fw_cancel_transaction(struct fw_card *card,
+ struct fw_transaction *transaction)
{
/*
* Cancel the packet transmission if it's still queued. That
* if the transaction is still pending and remove it in that case.
*/
- return close_transaction(transaction, card, RCODE_CANCELLED, NULL, 0);
+ return close_transaction(transaction, card, RCODE_CANCELLED);
}
EXPORT_SYMBOL(fw_cancel_transaction);
-static void
-transmit_complete_callback(struct fw_packet *packet,
- struct fw_card *card, int status)
+static void transmit_complete_callback(struct fw_packet *packet,
+ struct fw_card *card, int status)
{
struct fw_transaction *t =
container_of(packet, struct fw_transaction, packet);
switch (status) {
case ACK_COMPLETE:
- close_transaction(t, card, RCODE_COMPLETE, NULL, 0);
+ close_transaction(t, card, RCODE_COMPLETE);
break;
case ACK_PENDING:
t->timestamp = packet->timestamp;
case ACK_BUSY_X:
case ACK_BUSY_A:
case ACK_BUSY_B:
- close_transaction(t, card, RCODE_BUSY, NULL, 0);
+ close_transaction(t, card, RCODE_BUSY);
break;
case ACK_DATA_ERROR:
- close_transaction(t, card, RCODE_DATA_ERROR, NULL, 0);
+ close_transaction(t, card, RCODE_DATA_ERROR);
break;
case ACK_TYPE_ERROR:
- close_transaction(t, card, RCODE_TYPE_ERROR, NULL, 0);
+ close_transaction(t, card, RCODE_TYPE_ERROR);
break;
default:
/*
* In this case the ack is really a juju specific
* rcode, so just forward that to the callback.
*/
- close_transaction(t, card, status, NULL, 0);
+ close_transaction(t, card, status);
break;
}
}
-static void
-fw_fill_request(struct fw_packet *packet, int tcode, int tlabel,
+static void fw_fill_request(struct fw_packet *packet, int tcode, int tlabel,
int destination_id, int source_id, int generation, int speed,
unsigned long long offset, void *payload, size_t length)
{
int ext_tcode;
+ if (tcode == TCODE_STREAM_DATA) {
+ packet->header[0] =
+ HEADER_DATA_LENGTH(length) |
+ destination_id |
+ HEADER_TCODE(TCODE_STREAM_DATA);
+ packet->header_length = 4;
+ packet->payload = payload;
+ packet->payload_length = length;
+
+ goto common;
+ }
+
if (tcode > 0x10) {
ext_tcode = tcode & ~0x10;
tcode = TCODE_LOCK_REQUEST;
packet->payload_length = 0;
break;
}
-
+ common:
packet->speed = speed;
packet->generation = generation;
packet->ack = 0;
* @param callback function to be called when the transaction is completed
* @param callback_data pointer to arbitrary data, which will be
* passed to the callback
+ *
+ * In case of asynchronous stream packets i.e. TCODE_STREAM_DATA, the caller
+ * needs to synthesize @destination_id with fw_stream_packet_destination_id().
*/
-void
-fw_send_request(struct fw_card *card, struct fw_transaction *t,
- int tcode, int destination_id, int generation, int speed,
- unsigned long long offset,
- void *payload, size_t length,
- fw_transaction_callback_t callback, void *callback_data)
+void fw_send_request(struct fw_card *card, struct fw_transaction *t, int tcode,
+ int destination_id, int generation, int speed,
+ unsigned long long offset, void *payload, size_t length,
+ fw_transaction_callback_t callback, void *callback_data)
{
unsigned long flags;
int tlabel;
* Returns the RCODE.
*/
int fw_run_transaction(struct fw_card *card, int tcode, int destination_id,
- int generation, int speed, unsigned long long offset,
- void *data, size_t length)
+ int generation, int speed, unsigned long long offset,
+ void *payload, size_t length)
{
struct transaction_callback_data d;
struct fw_transaction t;
init_completion(&d.done);
- d.payload = data;
+ d.payload = payload;
fw_send_request(card, &t, tcode, destination_id, generation, speed,
- offset, data, length, transaction_callback, &d);
+ offset, payload, length, transaction_callback, &d);
wait_for_completion(&d.done);
return d.rcode;
}
}
-static struct fw_address_handler *
-lookup_overlapping_address_handler(struct list_head *list,
- unsigned long long offset, size_t length)
+static struct fw_address_handler *lookup_overlapping_address_handler(
+ struct list_head *list, unsigned long long offset, size_t length)
{
struct fw_address_handler *handler;
return NULL;
}
-static struct fw_address_handler *
-lookup_enclosing_address_handler(struct list_head *list,
- unsigned long long offset, size_t length)
+static struct fw_address_handler *lookup_enclosing_address_handler(
+ struct list_head *list, unsigned long long offset, size_t length)
{
struct fw_address_handler *handler;
* The start offset of the handler's address region is determined by
* fw_core_add_address_handler() and is returned in handler->offset.
*/
-int
-fw_core_add_address_handler(struct fw_address_handler *handler,
- const struct fw_address_region *region)
+int fw_core_add_address_handler(struct fw_address_handler *handler,
+ const struct fw_address_region *region)
{
struct fw_address_handler *other;
unsigned long flags;
u32 data[0];
};
-static void
-free_response_callback(struct fw_packet *packet,
- struct fw_card *card, int status)
+static void free_response_callback(struct fw_packet *packet,
+ struct fw_card *card, int status)
{
struct fw_request *request;
kfree(request);
}
-void
-fw_fill_response(struct fw_packet *response, u32 *request_header,
- int rcode, void *payload, size_t length)
+void fw_fill_response(struct fw_packet *response, u32 *request_header,
+ int rcode, void *payload, size_t length)
{
int tcode, tlabel, extended_tcode, source, destination;
}
EXPORT_SYMBOL(fw_fill_response);
-static struct fw_request *
-allocate_request(struct fw_packet *p)
+static struct fw_request *allocate_request(struct fw_packet *p)
{
struct fw_request *request;
u32 *data, length;
return request;
}
-void
-fw_send_response(struct fw_card *card, struct fw_request *request, int rcode)
+void fw_send_response(struct fw_card *card,
+ struct fw_request *request, int rcode)
{
/* unified transaction or broadcast transaction: don't respond */
if (request->ack != ACK_PENDING ||
}
EXPORT_SYMBOL(fw_send_response);
-void
-fw_core_handle_request(struct fw_card *card, struct fw_packet *p)
+void fw_core_handle_request(struct fw_card *card, struct fw_packet *p)
{
struct fw_address_handler *handler;
struct fw_request *request;
}
EXPORT_SYMBOL(fw_core_handle_request);
-void
-fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
+void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
{
struct fw_transaction *t;
unsigned long flags;
{ .start = CSR_REGISTER_BASE | CSR_TOPOLOGY_MAP,
.end = CSR_REGISTER_BASE | CSR_TOPOLOGY_MAP_END, };
-static void
-handle_topology_map(struct fw_card *card, struct fw_request *request,
- int tcode, int destination, int source,
- int generation, int speed,
- unsigned long long offset,
- void *payload, size_t length, void *callback_data)
+static void handle_topology_map(struct fw_card *card, struct fw_request *request,
+ int tcode, int destination, int source, int generation,
+ int speed, unsigned long long offset,
+ void *payload, size_t length, void *callback_data)
{
int i, start, end;
__be32 *map;
{ .start = CSR_REGISTER_BASE,
.end = CSR_REGISTER_BASE | CSR_CONFIG_ROM, };
-static void
-handle_registers(struct fw_card *card, struct fw_request *request,
- int tcode, int destination, int source,
- int generation, int speed,
- unsigned long long offset,
- void *payload, size_t length, void *callback_data)
+static void handle_registers(struct fw_card *card, struct fw_request *request,
+ int tcode, int destination, int source, int generation,
+ int speed, unsigned long long offset,
+ void *payload, size_t length, void *callback_data)
{
int reg = offset & ~CSR_REGISTER_BASE;
unsigned long long bus_time;