xref: /freebsd/sys/dev/e1000/e1000_osdep.h (revision 8d20be1e22095c27faf8fe8b2f0d089739cc742e)
1 /******************************************************************************
2 
3   Copyright (c) 2001-2013, Intel Corporation
4   All rights reserved.
5 
6   Redistribution and use in source and binary forms, with or without
7   modification, are permitted provided that the following conditions are met:
8 
9    1. Redistributions of source code must retain the above copyright notice,
10       this list of conditions and the following disclaimer.
11 
12    2. Redistributions in binary form must reproduce the above copyright
13       notice, this list of conditions and the following disclaimer in the
14       documentation and/or other materials provided with the distribution.
15 
16    3. Neither the name of the Intel Corporation nor the names of its
17       contributors may be used to endorse or promote products derived from
18       this software without specific prior written permission.
19 
20   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   POSSIBILITY OF SUCH DAMAGE.
31 
32 ******************************************************************************/
33 /*$FreeBSD$*/
34 
35 
36 #ifndef _FREEBSD_OS_H_
37 #define _FREEBSD_OS_H_
38 
39 #include <sys/types.h>
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/lock.h>
43 #include <sys/mutex.h>
44 #include <sys/mbuf.h>
45 #include <sys/protosw.h>
46 #include <sys/socket.h>
47 #include <sys/malloc.h>
48 #include <sys/kernel.h>
49 #include <sys/bus.h>
50 #include <machine/bus.h>
51 #include <sys/rman.h>
52 #include <machine/resource.h>
53 #include <vm/vm.h>
54 #include <vm/pmap.h>
55 #include <machine/clock.h>
56 #include <dev/pci/pcivar.h>
57 #include <dev/pci/pcireg.h>
58 
59 
60 #define ASSERT(x) if(!(x)) panic("EM: x")
61 
62 #define usec_delay(x) DELAY(x)
63 #define usec_delay_irq(x) DELAY(x)
64 #define msec_delay(x) DELAY(1000*(x))
65 #define msec_delay_irq(x) DELAY(1000*(x))
66 
67 #define MSGOUT(S, A, B)     printf(S "\n", A, B)
68 #define DEBUGFUNC(F)        DEBUGOUT(F);
69 #define DEBUGOUT(S)			do {} while (0)
70 /* This define is needed or shared code will not build */
71 #define DEBUGOUT1(S,A)			if (0) printf(S,A);
72 #define DEBUGOUT2(S,A,B)		do {} while (0)
73 #define DEBUGOUT3(S,A,B,C)		do {} while (0)
74 #define DEBUGOUT7(S,A,B,C,D,E,F,G)	do {} while (0)
75 
76 #define STATIC			static
77 #define FALSE			0
78 #define TRUE			1
79 #ifndef __bool_true_false_are_defined
80 #define false			FALSE
81 #define true			TRUE
82 #endif
83 #define CMD_MEM_WRT_INVALIDATE	0x0010  /* BIT_4 */
84 #define PCI_COMMAND_REGISTER	PCIR_COMMAND
85 
86 /* Mutex used in the shared code */
87 #define E1000_MUTEX                     struct mtx
88 #define E1000_MUTEX_INIT(mutex)         mtx_init((mutex), #mutex, \
89                                             MTX_NETWORK_LOCK, \
90                                             MTX_DEF | MTX_DUPOK)
91 #define E1000_MUTEX_DESTROY(mutex)      mtx_destroy(mutex)
92 #define E1000_MUTEX_LOCK(mutex)         mtx_lock(mutex)
93 #define E1000_MUTEX_TRYLOCK(mutex)      mtx_trylock(mutex)
94 #define E1000_MUTEX_UNLOCK(mutex)       mtx_unlock(mutex)
95 
96 typedef uint64_t	u64;
97 typedef uint32_t	u32;
98 typedef uint16_t	u16;
99 typedef uint8_t		u8;
100 typedef int64_t		s64;
101 typedef int32_t		s32;
102 typedef int16_t		s16;
103 typedef int8_t		s8;
104 #ifndef __bool_true_false_are_defined
105 typedef boolean_t	bool;
106 #endif
107 
108 #define __le16		u16
109 #define __le32		u32
110 #define __le64		u64
111 
112 #if __FreeBSD_version < 800000 /* Now in HEAD */
113 #if defined(__i386__) || defined(__amd64__)
114 #define mb()	__asm volatile("mfence" ::: "memory")
115 #define wmb()	__asm volatile("sfence" ::: "memory")
116 #define rmb()	__asm volatile("lfence" ::: "memory")
117 #else
118 #define mb()
119 #define rmb()
120 #define wmb()
121 #endif
122 #endif /*__FreeBSD_version < 800000 */
123 
124 #if defined(__i386__) || defined(__amd64__)
125 static __inline
126 void prefetch(void *x)
127 {
128 	__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
129 }
130 #else
131 #define prefetch(x)
132 #endif
133 
134 struct e1000_osdep
135 {
136 	bus_space_tag_t    mem_bus_space_tag;
137 	bus_space_handle_t mem_bus_space_handle;
138 	bus_space_tag_t    io_bus_space_tag;
139 	bus_space_handle_t io_bus_space_handle;
140 	bus_space_tag_t    flash_bus_space_tag;
141 	bus_space_handle_t flash_bus_space_handle;
142 	struct device     *dev;
143 };
144 
145 #define E1000_REGISTER(hw, reg) (((hw)->mac.type >= e1000_82543) \
146     ? reg : e1000_translate_register_82542(reg))
147 
148 #define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, E1000_STATUS)
149 
150 /* Read from an absolute offset in the adapter's memory space */
151 #define E1000_READ_OFFSET(hw, offset) \
152     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
153     ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, offset)
154 
155 /* Write to an absolute offset in the adapter's memory space */
156 #define E1000_WRITE_OFFSET(hw, offset, value) \
157     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
158     ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, offset, value)
159 
160 /* Register READ/WRITE macros */
161 
162 #define E1000_READ_REG(hw, reg) \
163     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
164         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
165         E1000_REGISTER(hw, reg))
166 
167 #define E1000_WRITE_REG(hw, reg, value) \
168     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
169         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
170         E1000_REGISTER(hw, reg), value)
171 
172 #define E1000_READ_REG_ARRAY(hw, reg, index) \
173     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
174         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
175         E1000_REGISTER(hw, reg) + ((index)<< 2))
176 
177 #define E1000_WRITE_REG_ARRAY(hw, reg, index, value) \
178     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
179         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
180         E1000_REGISTER(hw, reg) + ((index)<< 2), value)
181 
182 #define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
183 #define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY
184 
185 #define E1000_READ_REG_ARRAY_BYTE(hw, reg, index) \
186     bus_space_read_1(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
187         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
188         E1000_REGISTER(hw, reg) + index)
189 
190 #define E1000_WRITE_REG_ARRAY_BYTE(hw, reg, index, value) \
191     bus_space_write_1(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
192         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
193         E1000_REGISTER(hw, reg) + index, value)
194 
195 #define E1000_WRITE_REG_ARRAY_WORD(hw, reg, index, value) \
196     bus_space_write_2(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
197         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
198         E1000_REGISTER(hw, reg) + (index << 1), value)
199 
200 #define E1000_WRITE_REG_IO(hw, reg, value) do {\
201     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->io_bus_space_tag, \
202         ((struct e1000_osdep *)(hw)->back)->io_bus_space_handle, \
203         (hw)->io_base, reg); \
204     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->io_bus_space_tag, \
205         ((struct e1000_osdep *)(hw)->back)->io_bus_space_handle, \
206         (hw)->io_base + 4, value); } while (0)
207 
208 #define E1000_READ_FLASH_REG(hw, reg) \
209     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
210         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg)
211 
212 #define E1000_READ_FLASH_REG16(hw, reg) \
213     bus_space_read_2(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
214         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg)
215 
216 #define E1000_WRITE_FLASH_REG(hw, reg, value) \
217     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
218         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg, value)
219 
220 #define E1000_WRITE_FLASH_REG16(hw, reg, value) \
221     bus_space_write_2(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
222         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg, value)
223 
224 #endif  /* _FREEBSD_OS_H_ */
225 
226