1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* IBM eServer eHCA Infiniband device driver for Linux on POWER
*
* auxiliary functions
*
* Authors: Christoph Raisch <raisch@de.ibm.com>
* Hoang-Nam Nguyen <hnguyen@de.ibm.com>
* Khadija Souissi <souissik@de.ibm.com>
* Waleri Fomin <fomin@de.ibm.com>
* Heiko J Schick <schickhj@de.ibm.com>
*
* Copyright (c) 2005 IBM Corporation
*
* This source code is distributed under a dual license of GPL v2.0 and OpenIB
* BSD.
*
* OpenIB BSD License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef EHCA_TOOLS_H
#define EHCA_TOOLS_H
#include <linux/kernel.h>
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <linux/idr.h>
#include <linux/kthread.h>
#include <linux/mm.h>
#include <linux/mman.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/vmalloc.h>
#include <linux/notifier.h>
#include <linux/cpu.h>
#include <linux/device.h>
#include <asm/atomic.h>
#include <asm/abs_addr.h>
#include <asm/ibmebus.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/hvcall.h>
extern int ehca_debug_level;
#define ehca_dbg(ib_dev, format, arg...) \
do { \
if (unlikely(ehca_debug_level)) \
dev_printk(KERN_DEBUG, (ib_dev)->dma_device, \
"PU%04x EHCA_DBG:%s " format "\n", \
raw_smp_processor_id(), __func__, \
## arg); \
} while (0)
#define ehca_info(ib_dev, format, arg...) \
dev_info((ib_dev)->dma_device, "PU%04x EHCA_INFO:%s " format "\n", \
raw_smp_processor_id(), __func__, ## arg)
#define ehca_warn(ib_dev, format, arg...) \
dev_warn((ib_dev)->dma_device, "PU%04x EHCA_WARN:%s " format "\n", \
raw_smp_processor_id(), __func__, ## arg)
#define ehca_err(ib_dev, format, arg...) \
dev_err((ib_dev)->dma_device, "PU%04x EHCA_ERR:%s " format "\n", \
raw_smp_processor_id(), __func__, ## arg)
/* use this one only if no ib_dev available */
#define ehca_gen_dbg(format, arg...) \
do { \
if (unlikely(ehca_debug_level)) \
printk(KERN_DEBUG "PU%04x EHCA_DBG:%s " format "\n", \
raw_smp_processor_id(), __func__, ## arg); \
} while (0)
#define ehca_gen_warn(format, arg...) \
printk(KERN_INFO "PU%04x EHCA_WARN:%s " format "\n", \
raw_smp_processor_id(), __func__, ## arg)
#define ehca_gen_err(format, arg...) \
printk(KERN_ERR "PU%04x EHCA_ERR:%s " format "\n", \
raw_smp_processor_id(), __func__, ## arg)
/**
* ehca_dmp - printk a memory block, whose length is n*8 bytes.
* Each line has the following layout:
* <format string> adr=X ofs=Y <8 bytes hex> <8 bytes hex>
*/
#define ehca_dmp(adr, len, format, args...) \
do { \
unsigned int x; \
unsigned int l = (unsigned int)(len); \
unsigned char *deb = (unsigned char *)(adr); \
for (x = 0; x < l; x += 16) { \
printk(KERN_INFO "EHCA_DMP:%s " format \
" adr=%p ofs=%04x %016llx %016llx\n", \
__func__, ##args, deb, x, \
*((u64 *)&deb[0]), *((u64 *)&deb[8])); \
deb += 16; \
} \
} while (0)
/* define a bitmask, little endian version */
#define EHCA_BMASK(pos, length) (((pos) << 16) + (length))
/* define a bitmask, the ibm way... */
#define EHCA_BMASK_IBM(from, to) (((63 - to) << 16) + ((to) - (from) + 1))
/* internal function, don't use */
#define EHCA_BMASK_SHIFTPOS(mask) (((mask) >> 16) & 0xffff)
/* internal function, don't use */
#define EHCA_BMASK_MASK(mask) (~0ULL >> ((64 - (mask)) & 0xffff))
/**
* EHCA_BMASK_SET - return value shifted and masked by mask
* variable|=EHCA_BMASK_SET(MY_MASK,0x4711) ORs the bits in variable
* variable&=~EHCA_BMASK_SET(MY_MASK,-1) clears the bits from the mask
* in variable
*/
#define EHCA_BMASK_SET(mask, value) \
((EHCA_BMASK_MASK(mask) & ((u64)(value))) << EHCA_BMASK_SHIFTPOS(mask))
/**
* EHCA_BMASK_GET - extract a parameter from value by mask
*/
#define EHCA_BMASK_GET(mask, value) \
(EHCA_BMASK_MASK(mask) & (((u64)(value)) >> EHCA_BMASK_SHIFTPOS(mask)))
/* Converts ehca to ib return code */
int ehca2ib_return_code(u64 ehca_rc);
#endif /* EHCA_TOOLS_H */
|
