aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/firewire/core-cdev.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/firewire/core-cdev.c')
-rw-r--r--drivers/firewire/core-cdev.c45
1 files changed, 36 insertions, 9 deletions
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index 0cf86bc..9b8df20 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -49,7 +49,8 @@
/*
* ABI version history is documented in linux/firewire-cdev.h.
*/
-#define FW_CDEV_KERNEL_VERSION 3
+#define FW_CDEV_KERNEL_VERSION 4
+#define FW_CDEV_VERSION_EVENT_REQUEST2 4
struct client {
u32 version;
@@ -176,7 +177,10 @@ struct outbound_transaction_event {
struct inbound_transaction_event {
struct event event;
- struct fw_cdev_event_request request;
+ union {
+ struct fw_cdev_event_request request;
+ struct fw_cdev_event_request2 request2;
+ } req;
};
struct iso_interrupt_event {
@@ -645,6 +649,7 @@ static void handle_request(struct fw_card *card, struct fw_request *request,
struct address_handler_resource *handler = callback_data;
struct inbound_transaction_resource *r;
struct inbound_transaction_event *e;
+ size_t event_size0;
void *fcp_frame = NULL;
int ret;
@@ -678,15 +683,37 @@ static void handle_request(struct fw_card *card, struct fw_request *request,
if (ret < 0)
goto failed;
- e->request.type = FW_CDEV_EVENT_REQUEST;
- e->request.tcode = tcode;
- e->request.offset = offset;
- e->request.length = length;
- e->request.handle = r->resource.handle;
- e->request.closure = handler->closure;
+ if (handler->client->version < FW_CDEV_VERSION_EVENT_REQUEST2) {
+ struct fw_cdev_event_request *req = &e->req.request;
+
+ if (tcode & 0x10)
+ tcode = TCODE_LOCK_REQUEST;
+
+ req->type = FW_CDEV_EVENT_REQUEST;
+ req->tcode = tcode;
+ req->offset = offset;
+ req->length = length;
+ req->handle = r->resource.handle;
+ req->closure = handler->closure;
+ event_size0 = sizeof(*req);
+ } else {
+ struct fw_cdev_event_request2 *req = &e->req.request2;
+
+ req->type = FW_CDEV_EVENT_REQUEST2;
+ req->tcode = tcode;
+ req->offset = offset;
+ req->source_node_id = source;
+ req->destination_node_id = destination;
+ req->card = card->index;
+ req->generation = generation;
+ req->length = length;
+ req->handle = r->resource.handle;
+ req->closure = handler->closure;
+ event_size0 = sizeof(*req);
+ }
queue_event(handler->client, &e->event,
- &e->request, sizeof(e->request), r->data, length);
+ &e->req, event_size0, r->data, length);
return;
failed: