summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/bfa/bfa_os_inc.h
blob: 65df62ef437fa349029f05ba76aa774f818ba8cf (plain)
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
/*
 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
 * All rights reserved
 * www.brocade.com
 *
 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License (GPL) Version 2 as
 * published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

#ifndef __BFA_OS_INC_H__
#define __BFA_OS_INC_H__

#include <linux/types.h>
#include <linux/version.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/idr.h>
#include <linux/interrupt.h>
#include <linux/cdev.h>
#include <linux/fs.h>
#include <linux/delay.h>
#include <linux/vmalloc.h>
#include <linux/workqueue.h>
#include <linux/bitops.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_transport_fc.h>
#include <scsi/scsi_transport.h>

#ifdef __BIG_ENDIAN
#define __BIGENDIAN
#endif

static inline u64 bfa_os_get_log_time(void)
{
	u64 system_time = 0;
	struct timeval tv;
	do_gettimeofday(&tv);

	/* We are interested in seconds only. */
	system_time = tv.tv_sec;
	return system_time;
}

#define bfa_io_lat_clock_res_div HZ
#define bfa_io_lat_clock_res_mul 1000

#define BFA_LOG(level, bfad, mask, fmt, arg...)				\
do {									\
	if (((mask) == 4) || (level[1] <= '4'))				\
		dev_printk(level, &((bfad)->pcidev)->dev, fmt, ##arg);	\
} while (0)

#define bfa_swap_3b(_x)				\
	((((_x) & 0xff) << 16) |		\
	((_x) & 0x00ff00) |			\
	(((_x) & 0xff0000) >> 16))

#define bfa_os_swap_sgaddr(_x)  ((u64)(                                 \
	(((u64)(_x) & (u64)0x00000000000000ffull) << 32)        |       \
	(((u64)(_x) & (u64)0x000000000000ff00ull) << 32)        |       \
	(((u64)(_x) & (u64)0x0000000000ff0000ull) << 32)        |       \
	(((u64)(_x) & (u64)0x00000000ff000000ull) << 32)        |       \
	(((u64)(_x) & (u64)0x000000ff00000000ull) >> 32)        |       \
	(((u64)(_x) & (u64)0x0000ff0000000000ull) >> 32)        |       \
	(((u64)(_x) & (u64)0x00ff000000000000ull) >> 32)        |       \
	(((u64)(_x) & (u64)0xff00000000000000ull) >> 32)))

#ifndef __BIGENDIAN
#define bfa_os_hton3b(_x)  bfa_swap_3b(_x)
#define bfa_os_sgaddr(_x)  (_x)
#else
#define bfa_os_hton3b(_x)  (_x)
#define bfa_os_sgaddr(_x)  bfa_os_swap_sgaddr(_x)
#endif

#define bfa_os_ntoh3b(_x)  bfa_os_hton3b(_x)
#define bfa_os_u32(__pa64) ((__pa64) >> 32)

#define BFA_TRC_TS(_trcm)				\
	({						\
		struct timeval tv;			\
							\
		do_gettimeofday(&tv);			\
		(tv.tv_sec*1000000+tv.tv_usec);		\
	 })

#define boolean_t int

/*
 * For current time stamp, OS API will fill-in
 */
struct bfa_timeval_s {
	u32	tv_sec;		/*  seconds        */
	u32	tv_usec;	/*  microseconds   */
};

static inline void
bfa_os_gettimeofday(struct bfa_timeval_s *tv)
{
	struct timeval  tmp_tv;

	do_gettimeofday(&tmp_tv);
	tv->tv_sec = (u32) tmp_tv.tv_sec;
	tv->tv_usec = (u32) tmp_tv.tv_usec;
}

static inline void
wwn2str(char *wwn_str, u64 wwn)
{
	union {
		u64 wwn;
		u8 byte[8];
	} w;

	w.wwn = wwn;
	sprintf(wwn_str, "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x", w.byte[0],
		w.byte[1], w.byte[2], w.byte[3], w.byte[4], w.byte[5],
		w.byte[6], w.byte[7]);
}

static inline void
fcid2str(char *fcid_str, u32 fcid)
{
	union {
		u32 fcid;
		u8 byte[4];
	} f;

	f.fcid = fcid;
	sprintf(fcid_str, "%02x:%02x:%02x", f.byte[1], f.byte[2], f.byte[3]);
}

#endif /* __BFA_OS_INC_H__ */