blob: 7f63dec0a79a968256c272df1caeaf5a951029eb [file] [log] [blame]
Mark Maulec9221da2005-08-03 14:07:00 -07001/**************************************************************************
2 * Copyright (C) 2005, Silicon Graphics, Inc. *
3 * *
4 * These coded instructions, statements, and computer programs contain *
5 * unpublished proprietary information of Silicon Graphics, Inc., and *
6 * are protected by Federal copyright law. They may not be disclosed *
7 * to third parties or copied or duplicated in any form, in whole or *
8 * in part, without the prior written consent of Silicon Graphics, Inc. *
9 * *
10 **************************************************************************/
11
12#ifndef _ASM_IA64_SN_CE_PROVIDER_H
13#define _ASM_IA64_SN_CE_PROVIDER_H
14
15#include <asm/sn/pcibus_provider_defs.h>
16#include <asm/sn/tioce.h>
17
18/*
19 * Common TIOCE structure shared between the prom and kernel
20 *
21 * DO NOT CHANGE THIS STRUCT WITHOUT MAKING CORRESPONDING CHANGES TO THE
22 * PROM VERSION.
23 */
24struct tioce_common {
25 struct pcibus_bussoft ce_pcibus; /* common pciio header */
26
27 uint32_t ce_rev;
28 uint64_t ce_kernel_private;
29 uint64_t ce_prom_private;
30};
31
32struct tioce_kernel {
33 struct tioce_common *ce_common;
34 spinlock_t ce_lock;
35 struct list_head ce_dmamap_list;
36
37 uint64_t ce_ate40_shadow[TIOCE_NUM_M40_ATES];
38 uint64_t ce_ate3240_shadow[TIOCE_NUM_M3240_ATES];
39 uint32_t ce_ate3240_pagesize;
40
41 uint8_t ce_port1_secondary;
42
43 /* per-port resources */
44 struct {
45 int dirmap_refcnt;
46 uint64_t dirmap_shadow;
47 } ce_port[TIOCE_NUM_PORTS];
48};
49
50struct tioce_dmamap {
51 struct list_head ce_dmamap_list; /* headed by tioce_kernel */
52 uint32_t refcnt;
53
54 uint64_t nbytes; /* # bytes mapped */
55
56 uint64_t ct_start; /* coretalk start address */
57 uint64_t pci_start; /* bus start address */
58
59 uint64_t *ate_hw; /* hw ptr of first ate in map */
60 uint64_t *ate_shadow; /* shadow ptr of firat ate */
61 uint16_t ate_count; /* # ate's in the map */
62};
63
64extern int tioce_init_provider(void);
65
66#endif /* __ASM_IA64_SN_CE_PROVIDER_H */