1 files changed, 64 insertions, 0 deletions

diff --git a/drivers/ieee1394/ieee1394_transactions.h b/drivers/ieee1394/ieee1394_transactions.h
new file mode 100644
index 000000000000..526a43ceb496
--- /dev/null
+++ b/drivers/ieee1394/ieee1394_transactions.h
@@ -0,0 +1,64 @@
+#ifndef _IEEE1394_TRANSACTIONS_H
+#define _IEEE1394_TRANSACTIONS_H
+
+#include "ieee1394_core.h"
+
+
+/*
+ * Get and free transaction labels.
+ */
+int hpsb_get_tlabel(struct hpsb_packet *packet);
+void hpsb_free_tlabel(struct hpsb_packet *packet);
+
+struct hpsb_packet *hpsb_make_readpacket(struct hpsb_host *host, nodeid_t node,
+                                         u64 addr, size_t length);
+struct hpsb_packet *hpsb_make_lockpacket(struct hpsb_host *host, nodeid_t node,
+                                         u64 addr, int extcode, quadlet_t *data,
+                                         quadlet_t arg);
+struct hpsb_packet *hpsb_make_lock64packet(struct hpsb_host *host, nodeid_t node,
+                                          u64 addr, int extcode, octlet_t *data,
+                                          octlet_t arg);
+struct hpsb_packet *hpsb_make_phypacket(struct hpsb_host *host,
+                                        quadlet_t data) ;
+struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host,
+                                        int length, int channel,
+                                        int tag, int sync);
+struct hpsb_packet *hpsb_make_writepacket (struct hpsb_host *host, nodeid_t node,
+                                           u64 addr, quadlet_t *buffer, size_t length);
+struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 *buffer,
+                                           int length, int channel, int tag, int sync);
+
+/*
+ * hpsb_packet_success - Make sense of the ack and reply codes and
+ * return more convenient error codes:
+ * 0           success
+ * -EBUSY      node is busy, try again
+ * -EAGAIN     error which can probably resolved by retry
+ * -EREMOTEIO  node suffers from an internal error
+ * -EACCES     this transaction is not allowed on requested address
+ * -EINVAL     invalid address at node
+ */
+int hpsb_packet_success(struct hpsb_packet *packet);
+
+
+/*
+ * The generic read, write and lock functions.  All recognize the local node ID
+ * and act accordingly.  Read and write automatically use quadlet commands if
+ * length == 4 and and block commands otherwise (however, they do not yet
+ * support lengths that are not a multiple of 4).  You must explicitly specifiy
+ * the generation for which the node ID is valid, to avoid sending packets to
+ * the wrong nodes when we race with a bus reset.
+ */
+int hpsb_read(struct hpsb_host *host, nodeid_t node, unsigned int generation,
+              u64 addr, quadlet_t *buffer, size_t length);
+int hpsb_write(struct hpsb_host *host, nodeid_t node, unsigned int generation,
+               u64 addr, quadlet_t *buffer, size_t length);
+int hpsb_lock(struct hpsb_host *host, nodeid_t node, unsigned int generation,
+              u64 addr, int extcode, quadlet_t *data, quadlet_t arg);
+int hpsb_lock64(struct hpsb_host *host, nodeid_t node, unsigned int generation,
+                u64 addr, int extcode, octlet_t *data, octlet_t arg);
+int hpsb_send_gasp(struct hpsb_host *host, int channel, unsigned int generation,
+                   quadlet_t *buffer, size_t length, u32 specifier_id,
+                   unsigned int version);
+
+#endif /* _IEEE1394_TRANSACTIONS_H */