summaryrefslogtreecommitdiffstats
path: root/include/linux/firewire.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/firewire.h')
-rw-r--r--include/linux/firewire.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index cdc9b719e9c..7edcf103171 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -135,6 +135,20 @@ struct fw_card {
__be32 maint_utility_register;
};
+static inline struct fw_card *fw_card_get(struct fw_card *card)
+{
+ kref_get(&card->kref);
+
+ return card;
+}
+
+void fw_card_release(struct kref *kref);
+
+static inline void fw_card_put(struct fw_card *card)
+{
+ kref_put(&card->kref, fw_card_release);
+}
+
struct fw_attribute_group {
struct attribute_group *groups[2];
struct attribute_group group;
@@ -325,6 +339,7 @@ int fw_core_add_address_handler(struct fw_address_handler *handler,
void fw_core_remove_address_handler(struct fw_address_handler *handler);
void fw_send_response(struct fw_card *card,
struct fw_request *request, int rcode);
+int fw_get_request_speed(struct fw_request *request);
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,
@@ -334,6 +349,7 @@ int fw_cancel_transaction(struct fw_card *card,
int fw_run_transaction(struct fw_card *card, int tcode, int destination_id,
int generation, int speed, unsigned long long offset,
void *payload, size_t length);
+const char *fw_rcode_string(int rcode);
static inline int fw_stream_packet_destination_id(int tag, int channel, int sy)
{
@@ -391,6 +407,7 @@ struct fw_iso_buffer {
enum dma_data_direction direction;
struct page **pages;
int page_count;
+ int page_count_mapped;
};
int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,