xref: /freebsd/sys/dev/e1000/e1000_osdep.h (revision 9a14aa017b21c292740c00ee098195cd46642730)
1 /******************************************************************************
2 
3   Copyright (c) 2001-2010, 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 msec_delay(x) DELAY(1000*(x))
64 #define msec_delay_irq(x) DELAY(1000*(x))
65 
66 #define MSGOUT(S, A, B)     printf(S "\n", A, B)
67 #define DEBUGFUNC(F)        DEBUGOUT(F);
68 #define DEBUGOUT(S)			do {} while (0)
69 #define DEBUGOUT1(S,A)			do {} while (0)
70 #define DEBUGOUT2(S,A,B)		do {} while (0)
71 #define DEBUGOUT3(S,A,B,C)		do {} while (0)
72 #define DEBUGOUT7(S,A,B,C,D,E,F,G)	do {} while (0)
73 
74 #define STATIC			static
75 #define FALSE			0
76 #define TRUE			1
77 #ifndef __bool_true_false_are_defined
78 #define false			FALSE
79 #define true			TRUE
80 #endif
81 #define CMD_MEM_WRT_INVALIDATE	0x0010  /* BIT_4 */
82 #define PCI_COMMAND_REGISTER	PCIR_COMMAND
83 
84 /* Mutex used in the shared code */
85 #define E1000_MUTEX                     struct mtx
86 #define E1000_MUTEX_INIT(mutex)         mtx_init((mutex), #mutex, \
87                                             MTX_NETWORK_LOCK, MTX_DEF)
88 #define E1000_MUTEX_DESTROY(mutex)      mtx_destroy(mutex)
89 #define E1000_MUTEX_LOCK(mutex)         mtx_lock(mutex)
90 #define E1000_MUTEX_TRYLOCK(mutex)      mtx_trylock(mutex)
91 #define E1000_MUTEX_UNLOCK(mutex)       mtx_unlock(mutex)
92 
93 typedef uint64_t	u64;
94 typedef uint32_t	u32;
95 typedef uint16_t	u16;
96 typedef uint8_t		u8;
97 typedef int64_t		s64;
98 typedef int32_t		s32;
99 typedef int16_t		s16;
100 typedef int8_t		s8;
101 #ifndef __bool_true_false_are_defined
102 typedef boolean_t	bool;
103 #endif
104 
105 #define __le16		u16
106 #define __le32		u32
107 #define __le64		u64
108 
109 #if __FreeBSD_version < 800000 /* Now in HEAD */
110 #if defined(__i386__) || defined(__amd64__)
111 #define mb()	__asm volatile("mfence" ::: "memory")
112 #define wmb()	__asm volatile("sfence" ::: "memory")
113 #define rmb()	__asm volatile("lfence" ::: "memory")
114 #else
115 #define mb()
116 #define rmb()
117 #define wmb()
118 #endif
119 #endif /*__FreeBSD_version < 800000 */
120 
121 #if defined(__i386__) || defined(__amd64__)
122 static __inline
123 void prefetch(void *x)
124 {
125 	__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
126 }
127 #else
128 #define prefetch(x)
129 #endif
130 
131 struct e1000_osdep
132 {
133 	bus_space_tag_t    mem_bus_space_tag;
134 	bus_space_handle_t mem_bus_space_handle;
135 	bus_space_tag_t    io_bus_space_tag;
136 	bus_space_handle_t io_bus_space_handle;
137 	bus_space_tag_t    flash_bus_space_tag;
138 	bus_space_handle_t flash_bus_space_handle;
139 	struct device     *dev;
140 };
141 
142 #define E1000_REGISTER(hw, reg) (((hw)->mac.type >= e1000_82543) \
143     ? reg : e1000_translate_register_82542(reg))
144 
145 #define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, E1000_STATUS)
146 
147 /* Read from an absolute offset in the adapter's memory space */
148 #define E1000_READ_OFFSET(hw, offset) \
149     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
150     ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, offset)
151 
152 /* Write to an absolute offset in the adapter's memory space */
153 #define E1000_WRITE_OFFSET(hw, offset, value) \
154     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
155     ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, offset, value)
156 
157 /* Register READ/WRITE macros */
158 
159 #define E1000_READ_REG(hw, reg) \
160     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
161         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
162         E1000_REGISTER(hw, reg))
163 
164 #define E1000_WRITE_REG(hw, reg, value) \
165     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
166         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
167         E1000_REGISTER(hw, reg), value)
168 
169 #define E1000_READ_REG_ARRAY(hw, reg, index) \
170     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
171         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
172         E1000_REGISTER(hw, reg) + ((index)<< 2))
173 
174 #define E1000_WRITE_REG_ARRAY(hw, reg, index, value) \
175     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
176         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
177         E1000_REGISTER(hw, reg) + ((index)<< 2), value)
178 
179 #define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
180 #define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY
181 
182 #define E1000_READ_REG_ARRAY_BYTE(hw, reg, index) \
183     bus_space_read_1(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
184         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
185         E1000_REGISTER(hw, reg) + index)
186 
187 #define E1000_WRITE_REG_ARRAY_BYTE(hw, reg, index, value) \
188     bus_space_write_1(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
189         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
190         E1000_REGISTER(hw, reg) + index, value)
191 
192 #define E1000_WRITE_REG_ARRAY_WORD(hw, reg, index, value) \
193     bus_space_write_2(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
194         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
195         E1000_REGISTER(hw, reg) + (index << 1), value)
196 
197 #define E1000_WRITE_REG_IO(hw, reg, value) do {\
198     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->io_bus_space_tag, \
199         ((struct e1000_osdep *)(hw)->back)->io_bus_space_handle, \
200         (hw)->io_base, reg); \
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 + 4, value); } while (0)
204 
205 #define E1000_READ_FLASH_REG(hw, reg) \
206     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
207         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg)
208 
209 #define E1000_READ_FLASH_REG16(hw, reg) \
210     bus_space_read_2(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
211         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg)
212 
213 #define E1000_WRITE_FLASH_REG(hw, reg, value) \
214     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
215         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg, value)
216 
217 #define E1000_WRITE_FLASH_REG16(hw, reg, value) \
218     bus_space_write_2(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
219         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg, value)
220 
221 #endif  /* _FREEBSD_OS_H_ */
222 
223