ql_os.h revision 284982 
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/10/sys/dev/qlxgbe/ql_os.h 284982 2015-06-30 20:59:07Z davidcs $
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_arp.h>
57#include <net/ethernet.h>
58#include <net/if_dl.h>
59#include <net/if_media.h>
60#include <net/bpf.h>
61#include <net/if_types.h>
62#include <net/if_vlan_var.h>
63
64#include <netinet/in_systm.h>
65#include <netinet/in.h>
66#include <netinet/if_ether.h>
67#include <netinet/ip.h>
68#include <netinet/ip6.h>
69#include <netinet/tcp.h>
70#include <netinet/udp.h>
71#include <netinet/in_var.h>
72#include <netinet/tcp_lro.h>
73
74#include <sys/bus.h>
75#include <machine/bus.h>
76#include <sys/rman.h>
77#include <machine/resource.h>
78#include <dev/pci/pcireg.h>
79#include <dev/pci/pcivar.h>
80#include <sys/mutex.h>
81#include <sys/condvar.h>
82#include <sys/proc.h>
83#include <sys/sysctl.h>
84#include <sys/endian.h>
85#include <sys/taskqueue.h>
86#include <sys/pcpu.h>
87
88#include <sys/unistd.h>
89#include <sys/kthread.h>
90
91#define QLA_USEC_DELAY(usec)	DELAY(usec)
92
93static __inline int qla_ms_to_hz(int ms)
94{
95	int qla_hz;
96
97	struct timeval t;
98
99	t.tv_sec = ms / 1000;
100	t.tv_usec = (ms % 1000) * 1000;
101
102	qla_hz = tvtohz(&t);
103
104	if (qla_hz < 0)
105		qla_hz = 0x7fffffff;
106	if (!qla_hz)
107		qla_hz = 1;
108
109	return (qla_hz);
110}
111
112static __inline int qla_sec_to_hz(int sec)
113{
114	struct timeval t;
115
116	t.tv_sec = sec;
117	t.tv_usec = 0;
118
119	return (tvtohz(&t));
120}
121
122
123#define qla_host_to_le16(x)	htole16(x)
124#define qla_host_to_le32(x)	htole32(x)
125#define qla_host_to_le64(x)	htole64(x)
126#define qla_host_to_be16(x)	htobe16(x)
127#define qla_host_to_be32(x)	htobe32(x)
128#define qla_host_to_be64(x)	htobe64(x)
129
130#define qla_le16_to_host(x)	le16toh(x)
131#define qla_le32_to_host(x)	le32toh(x)
132#define qla_le64_to_host(x)	le64toh(x)
133#define qla_be16_to_host(x)	be16toh(x)
134#define qla_be32_to_host(x)	be32toh(x)
135#define qla_be64_to_host(x)	be64toh(x)
136
137MALLOC_DECLARE(M_QLA83XXBUF);
138
139#define qla_mdelay(fn, msecs)	\
140	{\
141		if (cold) \
142			DELAY((msecs * 1000)); \
143		else  \
144			pause(fn, qla_ms_to_hz(msecs)); \
145	}
146
147/*
148 * Locks
149 */
150#define QLA_LOCK(ha, str, no_delay) qla_lock(ha, str, no_delay)
151#define QLA_UNLOCK(ha, str) qla_unlock(ha, str)
152
153#define QLA_TX_LOCK(ha)		mtx_lock(&ha->tx_lock);
154#define QLA_TX_UNLOCK(ha)	mtx_unlock(&ha->tx_lock);
155
156/*
157 * structure encapsulating a DMA buffer
158 */
159struct qla_dma {
160        bus_size_t              alignment;
161        uint32_t                size;
162        void                    *dma_b;
163        bus_addr_t              dma_addr;
164        bus_dmamap_t            dma_map;
165        bus_dma_tag_t           dma_tag;
166};
167typedef struct qla_dma qla_dma_t;
168
169
170#endif /* #ifndef _QL_OS_H_ */
171