patch-2.3.40 linux/drivers/ieee1394/ieee1394_transactions.h

• Lines: 70
• Date: Thu Jan 13 16:49:22 2000
• Orig file: v2.3.39/linux/drivers/ieee1394/ieee1394_transactions.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.39/linux/drivers/ieee1394/ieee1394_transactions.h linux/drivers/ieee1394/ieee1394_transactions.h
@@ -0,0 +1,69 @@
+#ifndef _IEEE1394_TRANSACTIONS_H
+#define _IEEE1394_TRANSACTIONS_H
+
+#include "ieee1394_core.h"
+
+
+/*
+ * Utility functions to fill out packet headers.
+ */
+void fill_async_readquad(struct hpsb_packet *packet, u64 addr);
+void fill_async_readquad_resp(struct hpsb_packet *packet, int rcode, 
+                              quadlet_t data);
+void fill_async_readblock(struct hpsb_packet *packet, u64 addr, int length);
+void fill_async_readblock_resp(struct hpsb_packet *packet, int rcode, 
+                               int length);
+void fill_async_writequad(struct hpsb_packet *packet, u64 addr, quadlet_t data);
+void fill_async_writeblock(struct hpsb_packet *packet, u64 addr, int length);
+void fill_async_write_resp(struct hpsb_packet *packet, int rcode);
+void fill_async_lock(struct hpsb_packet *packet, u64 addr, int extcode, 
+                     int length);
+void fill_async_lock_resp(struct hpsb_packet *packet, int rcode, int extcode, 
+                          int length);
+void fill_iso_packet(struct hpsb_packet *packet, int length, int channel,
+                     int tag, int sync);
+
+/*
+ * Get and free transaction labels.
+ */
+int get_tlabel(struct hpsb_host *host, nodeid_t nodeid, int wait);
+void free_tlabel(struct hpsb_host *host, nodeid_t nodeid, int tlabel);
+
+struct hpsb_packet *hpsb_make_readqpacket(struct hpsb_host *host, nodeid_t node,
+                                          u64 addr);
+struct hpsb_packet *hpsb_make_readbpacket(struct hpsb_host *host, nodeid_t node,
+                                          u64 addr, size_t length);
+struct hpsb_packet *hpsb_make_writeqpacket(struct hpsb_host *host,
+                                           nodeid_t node, u64 addr,
+                                           quadlet_t data);
+struct hpsb_packet *hpsb_make_writebpacket(struct hpsb_host *host,
+                                           nodeid_t node, u64 addr,
+                                           size_t length);
+
+/*
+ * 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).
+ */
+int hpsb_read(struct hpsb_host *host, nodeid_t node, u64 addr,
+              quadlet_t *buffer, size_t length);
+int hpsb_write(struct hpsb_host *host, nodeid_t node, u64 addr,
+               quadlet_t *buffer, size_t length);
+int hpsb_lock(struct hpsb_host *host, nodeid_t node, u64 addr, int extcode,
+              quadlet_t *data, quadlet_t arg);
+
+#endif /* _IEEE1394_TRANSACTIONS_H */