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
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright © 2003-2011 Emulex. All rights reserved. */
/*
* Driver Utility function prototypes
*/
#ifndef _OCE_UTILS_H_
#define _OCE_UTILS_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <sys/list.h>
/* logging macro */
#define MOD_CONFIG 0x0001
#define MOD_TX 0x0002
#define MOD_RX 0x0004
#define MOD_ISR 0x0008
#define OCE_DEFAULT_LOG_SETTINGS (CE_WARN | \
((MOD_CONFIG | MOD_TX | MOD_RX) << 16))
#define OCE_MAX_LOG_SETTINGS (CE_IGNORE | ((MOD_CONFIG | MOD_TX | \
MOD_RX | MOD_ISR) << 16))
#define oce_log(dev_p, level, module, fmt, arg...) { \
if (dev_p) { \
if ((dev_p->mod_mask & module) && \
(dev_p->severity < CE_IGNORE) && \
((uint32_t)level >= dev_p->severity)) \
cmn_err(level, "%s[%d]: " fmt, OCE_MOD_NAME, \
dev_p->dev_id, ## arg); \
} else { \
cmn_err(level, "%s[%d]: " fmt, OCE_MOD_NAME, \
0, ## arg); \
} \
}
/* Time related */
#define OCE_USDELAY(x) drv_usecwait((x))
#define OCE_MSDELAY(x) OCE_USDELAY((x) * 1000)
/* Misc Macros */
#define OCE_LOG2(x) (highbit((x)) - 1)
#define ADDR_LO(addr) (uint32_t)BMASK_32(addr) /* low 32 bits */
#define ADDR_HI(addr) (uint32_t)BMASK_32((addr >> 32)) /* high 32 bits */
#define ADDR_64(_HI, _LO) ((uint64_t)(((uint64_t)(_HI) << 32)|(_LO)))
#define voidptr(x) (void *)((x))
#define u32ptr(x) (uint32_t *)voidptr((x))
#define ptrtou32(x) (uint32_t)((uint32_t *)(void *)(x))
#define PAGE_4K (0x1UL << 12)
#define OFFSET_IN_4K_PAGE(addr) ((off_t)((uint64_t)addr & (PAGE_4K - 1)))
#define OCE_NUM_PAGES(size) howmany(size, PAGE_4K)
#ifdef OCE_DEBUG
#define OCE_DUMP(buf, len) { \
int i = 0; \
uint32_t *p = u32ptr(buf); \
for (i = 0; i < len/4; i++) \
cmn_err(CE_CONT, "[%d] 0x%x", i, p[i]); \
}
#endif
/* Utility Functions */
#define OCE_DW_SWAP(datap, length) { \
int len; \
uint32_t *wptr = (uint32_t *)(datap); \
len = (length) + (((length) %4) ? (4 - (4 %(length))) : 0); \
for (len = len/4; len > 0; len--) { \
*wptr = LE_32(*wptr); \
wptr++; \
} \
}
#ifdef _BIG_ENDIAN
#define DW_SWAP(_PTR, _LEN) OCE_DW_SWAP(_PTR, _LEN)
#else
#define DW_SWAP(_PTR, _LEN)
#endif
typedef struct oce_list_entry {
struct oce_list_entry *next;
struct oce_list_entry *prev;
}OCE_LIST_NODE_T;
typedef struct {
kmutex_t list_lock;
OCE_LIST_NODE_T head;
int32_t nitems;
}OCE_LIST_T;
/* externs for list manipulation functions */
void oce_list_link_init(OCE_LIST_NODE_T *list_node);
void oce_list_create(OCE_LIST_T *list_hdr, void *arg);
void oce_list_destroy(OCE_LIST_T *list_hdr);
void oce_list_insert_tail(OCE_LIST_T *list_hdr, OCE_LIST_NODE_T *list_node);
void *oce_list_remove_head(OCE_LIST_T *list_hdr);
void oce_list_remove_node(OCE_LIST_T *list_hdr, OCE_LIST_NODE_T *list_node);
boolean_t oce_list_is_empty(OCE_LIST_T *list_hdr);
int32_t oce_list_items_avail(OCE_LIST_T *list_hdr);
int oce_atomic_reserve(uint32_t *count_p, uint32_t n);
#define OCE_LIST_CREATE(_LH, _LCK_PRI) oce_list_create((_LH), (_LCK_PRI))
#define OCE_LIST_DESTROY(_LH) oce_list_destroy((_LH))
#define OCE_LIST_INSERT_TAIL(_LH, _N) \
oce_list_insert_tail((_LH), (void *)(_N))
#define OCE_LIST_REM_HEAD(_LH) oce_list_remove_head((_LH))
#define OCE_LIST_EMPTY(_LH) oce_list_is_empty((_LH))
#define OCE_LIST_REMOVE(_LH, _N) \
oce_list_remove_node((_LH), (void *)(_N))
#define OCE_LIST_SIZE(_LH) oce_list_items_avail((_LH))
#define OCE_LIST_LINK_INIT(_N) oce_list_link_init(_N)
void oce_gen_hkey(char *hkey, int key_size);
#ifdef __cplusplus
}
#endif
#endif /* _OCE_UTILS_H_ */
|