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-rw-r--r--drivers/ieee1394/ieee1394_transactions.h64
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 @@
1#ifndef _IEEE1394_TRANSACTIONS_H
2#define _IEEE1394_TRANSACTIONS_H
3
4#include "ieee1394_core.h"
5
6
7/*
8 * Get and free transaction labels.
9 */
10int hpsb_get_tlabel(struct hpsb_packet *packet);
11void hpsb_free_tlabel(struct hpsb_packet *packet);
12
13struct hpsb_packet *hpsb_make_readpacket(struct hpsb_host *host, nodeid_t node,
14 u64 addr, size_t length);
15struct hpsb_packet *hpsb_make_lockpacket(struct hpsb_host *host, nodeid_t node,
16 u64 addr, int extcode, quadlet_t *data,
17 quadlet_t arg);
18struct hpsb_packet *hpsb_make_lock64packet(struct hpsb_host *host, nodeid_t node,
19 u64 addr, int extcode, octlet_t *data,
20 octlet_t arg);
21struct hpsb_packet *hpsb_make_phypacket(struct hpsb_host *host,
22 quadlet_t data) ;
23struct hpsb_packet *hpsb_make_isopacket(struct hpsb_host *host,
24 int length, int channel,
25 int tag, int sync);
26struct hpsb_packet *hpsb_make_writepacket (struct hpsb_host *host, nodeid_t node,
27 u64 addr, quadlet_t *buffer, size_t length);
28struct hpsb_packet *hpsb_make_streampacket(struct hpsb_host *host, u8 *buffer,
29 int length, int channel, int tag, int sync);
30
31/*
32 * hpsb_packet_success - Make sense of the ack and reply codes and
33 * return more convenient error codes:
34 * 0 success
35 * -EBUSY node is busy, try again
36 * -EAGAIN error which can probably resolved by retry
37 * -EREMOTEIO node suffers from an internal error
38 * -EACCES this transaction is not allowed on requested address
39 * -EINVAL invalid address at node
40 */
41int hpsb_packet_success(struct hpsb_packet *packet);
42
43
44/*
45 * The generic read, write and lock functions. All recognize the local node ID
46 * and act accordingly. Read and write automatically use quadlet commands if
47 * length == 4 and and block commands otherwise (however, they do not yet
48 * support lengths that are not a multiple of 4). You must explicitly specifiy
49 * the generation for which the node ID is valid, to avoid sending packets to
50 * the wrong nodes when we race with a bus reset.
51 */
52int hpsb_read(struct hpsb_host *host, nodeid_t node, unsigned int generation,
53 u64 addr, quadlet_t *buffer, size_t length);
54int hpsb_write(struct hpsb_host *host, nodeid_t node, unsigned int generation,
55 u64 addr, quadlet_t *buffer, size_t length);
56int hpsb_lock(struct hpsb_host *host, nodeid_t node, unsigned int generation,
57 u64 addr, int extcode, quadlet_t *data, quadlet_t arg);
58int hpsb_lock64(struct hpsb_host *host, nodeid_t node, unsigned int generation,
59 u64 addr, int extcode, octlet_t *data, octlet_t arg);
60int hpsb_send_gasp(struct hpsb_host *host, int channel, unsigned int generation,
61 quadlet_t *buffer, size_t length, u32 specifier_id,
62 unsigned int version);
63
64#endif /* _IEEE1394_TRANSACTIONS_H */