ql_os.h revision 331722 
1/*
2 * Copyright (c) 2013-2016 Qlogic Corporation
3 * All rights reserved.
4 *
5 *  Redistribution and use in source and binary forms, with or without
6 *  modification, are permitted provided that the following conditions
7 *  are met:
8 *
9 *  1. Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 *  2. Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 *
15 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 *  POSSIBILITY OF SUCH DAMAGE.
26 *
27 * $FreeBSD: stable/11/sys/dev/qlxgbe/ql_os.h 331722 2018-03-29 02:50:57Z eadler $
28 */
29/*
30 * File: ql_os.h
31 * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
32 */
33
34#ifndef _QL_OS_H_
35#define _QL_OS_H_
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/mbuf.h>
40#include <sys/protosw.h>
41#include <sys/socket.h>
42#include <sys/malloc.h>
43#include <sys/module.h>
44#include <sys/kernel.h>
45#include <sys/sockio.h>
46#include <sys/types.h>
47#include <machine/atomic.h>
48#include <machine/_inttypes.h>
49#include <sys/conf.h>
50
51#if __FreeBSD_version < 900044
52#error FreeBSD Version not supported - use version >= 900044
53#endif
54
55#include <net/if.h>
56#include <net/if_var.h>
57#include <net/if_arp.h>
58#include <net/ethernet.h>
59#include <net/if_dl.h>
60#include <net/if_media.h>
61#include <net/bpf.h>
62#include <net/if_types.h>
63#include <net/if_vlan_var.h>
64
65#include <netinet/in_systm.h>
66#include <netinet/in.h>
67#include <netinet/if_ether.h>
68#include <netinet/ip.h>
69#include <netinet/ip6.h>
70#include <netinet/tcp.h>
71#include <netinet/udp.h>
72#include <netinet/in_var.h>
73#include <netinet/tcp_lro.h>
74
75#include <sys/bus.h>
76#include <machine/bus.h>
77#include <sys/rman.h>
78#include <machine/resource.h>
79#include <dev/pci/pcireg.h>
80#include <dev/pci/pcivar.h>
81#include <sys/mutex.h>
82#include <sys/condvar.h>
83#include <sys/proc.h>
84#include <sys/sysctl.h>
85#include <sys/endian.h>
86#include <sys/taskqueue.h>
87#include <sys/pcpu.h>
88
89#include <sys/unistd.h>
90#include <sys/kthread.h>
91
92#define QLA_USEC_DELAY(usec)	DELAY(usec)
93
94static __inline int qla_ms_to_hz(int ms)
95{
96	int qla_hz;
97
98	struct timeval t;
99
100	t.tv_sec = ms / 1000;
101	t.tv_usec = (ms % 1000) * 1000;
102
103	qla_hz = tvtohz(&t);
104
105	if (qla_hz < 0)
106		qla_hz = 0x7fffffff;
107	if (!qla_hz)
108		qla_hz = 1;
109
110	return (qla_hz);
111}
112
113static __inline int qla_sec_to_hz(int sec)
114{
115	struct timeval t;
116
117	t.tv_sec = sec;
118	t.tv_usec = 0;
119
120	return (tvtohz(&t));
121}
122
123static __inline uint64_t qla_get_usec_timestamp(void)
124{
125	struct timeval tv;
126
127	microuptime(&tv);
128
129	return ((uint64_t)(((uint64_t)tv.tv_sec) * 1000000 + tv.tv_usec));
130}
131
132#define qla_host_to_le16(x)	htole16(x)
133#define qla_host_to_le32(x)	htole32(x)
134#define qla_host_to_le64(x)	htole64(x)
135#define qla_host_to_be16(x)	htobe16(x)
136#define qla_host_to_be32(x)	htobe32(x)
137#define qla_host_to_be64(x)	htobe64(x)
138
139#define qla_le16_to_host(x)	le16toh(x)
140#define qla_le32_to_host(x)	le32toh(x)
141#define qla_le64_to_host(x)	le64toh(x)
142#define qla_be16_to_host(x)	be16toh(x)
143#define qla_be32_to_host(x)	be32toh(x)
144#define qla_be64_to_host(x)	be64toh(x)
145
146MALLOC_DECLARE(M_QLA83XXBUF);
147
148#define qla_mdelay(fn, msecs)	\
149	{\
150		if (cold) \
151			DELAY((msecs * 1000)); \
152		else  \
153			pause(fn, qla_ms_to_hz(msecs)); \
154	}
155
156/*
157 * Locks
158 */
159#define QLA_LOCK(ha, str, to_ms, no_sleep)	qla_lock(ha, str, to_ms, no_sleep)
160#define QLA_UNLOCK(ha, str)			qla_unlock(ha, str)
161
162/*
163 * structure encapsulating a DMA buffer
164 */
165struct qla_dma {
166        bus_size_t              alignment;
167        uint32_t                size;
168        void                    *dma_b;
169        bus_addr_t              dma_addr;
170        bus_dmamap_t            dma_map;
171        bus_dma_tag_t           dma_tag;
172};
173typedef struct qla_dma qla_dma_t;
174
175
176#endif /* #ifndef _QL_OS_H_ */
177