xref: /freebsd/sys/dev/e1000/e1000_osdep.h (revision 6ae1554a5d9b318f8ad53ccc39fa5a961403da73)
1 /******************************************************************************
2 
3   Copyright (c) 2001-2015, 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 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, \
88 					    MTX_DEF | MTX_DUPOK)
89 #define E1000_MUTEX_DESTROY(mutex)      mtx_destroy(mutex)
90 #define E1000_MUTEX_LOCK(mutex)         mtx_lock(mutex)
91 #define E1000_MUTEX_TRYLOCK(mutex)      mtx_trylock(mutex)
92 #define E1000_MUTEX_UNLOCK(mutex)       mtx_unlock(mutex)
93 
94 typedef uint64_t	u64;
95 typedef uint32_t	u32;
96 typedef uint16_t	u16;
97 typedef uint8_t		u8;
98 typedef int64_t		s64;
99 typedef int32_t		s32;
100 typedef int16_t		s16;
101 typedef int8_t		s8;
102 #ifndef __bool_true_false_are_defined
103 typedef boolean_t	bool;
104 #endif
105 
106 #define __le16		u16
107 #define __le32		u32
108 #define __le64		u64
109 
110 #if __FreeBSD_version < 800000
111 #if defined(__i386__) || defined(__amd64__)
112 #define mb()	__asm volatile("mfence" ::: "memory")
113 #define wmb()	__asm volatile("sfence" ::: "memory")
114 #define rmb()	__asm volatile("lfence" ::: "memory")
115 #else
116 #define mb()
117 #define rmb()
118 #define wmb()
119 #endif
120 #endif /*__FreeBSD_version < 800000 */
121 
122 #if defined(__i386__) || defined(__amd64__)
123 static __inline
124 void prefetch(void *x)
125 {
126 	__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
127 }
128 #else
129 #define prefetch(x)
130 #endif
131 
132 struct e1000_osdep
133 {
134 	bus_space_tag_t    mem_bus_space_tag;
135 	bus_space_handle_t mem_bus_space_handle;
136 	bus_space_tag_t    io_bus_space_tag;
137 	bus_space_handle_t io_bus_space_handle;
138 	bus_space_tag_t    flash_bus_space_tag;
139 	bus_space_handle_t flash_bus_space_handle;
140 	struct device     *dev;
141 };
142 
143 #define E1000_REGISTER(hw, reg) (((hw)->mac.type >= e1000_82543) \
144     ? reg : e1000_translate_register_82542(reg))
145 
146 #define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, E1000_STATUS)
147 
148 /* Read from an absolute offset in the adapter's memory space */
149 #define E1000_READ_OFFSET(hw, offset) \
150     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
151     ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, offset)
152 
153 /* Write to an absolute offset in the adapter's memory space */
154 #define E1000_WRITE_OFFSET(hw, offset, value) \
155     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
156     ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, offset, value)
157 
158 /* Register READ/WRITE macros */
159 
160 #define E1000_READ_REG(hw, reg) \
161     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
162         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
163         E1000_REGISTER(hw, reg))
164 
165 #define E1000_WRITE_REG(hw, reg, value) \
166     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
167         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
168         E1000_REGISTER(hw, reg), value)
169 
170 #define E1000_READ_REG_ARRAY(hw, reg, index) \
171     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
172         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
173         E1000_REGISTER(hw, reg) + ((index)<< 2))
174 
175 #define E1000_WRITE_REG_ARRAY(hw, reg, index, value) \
176     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
177         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
178         E1000_REGISTER(hw, reg) + ((index)<< 2), value)
179 
180 #define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
181 #define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY
182 
183 #define E1000_READ_REG_ARRAY_BYTE(hw, reg, index) \
184     bus_space_read_1(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
185         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
186         E1000_REGISTER(hw, reg) + index)
187 
188 #define E1000_WRITE_REG_ARRAY_BYTE(hw, reg, index, value) \
189     bus_space_write_1(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
190         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
191         E1000_REGISTER(hw, reg) + index, value)
192 
193 #define E1000_WRITE_REG_ARRAY_WORD(hw, reg, index, value) \
194     bus_space_write_2(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
195         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
196         E1000_REGISTER(hw, reg) + (index << 1), value)
197 
198 #define E1000_WRITE_REG_IO(hw, reg, value) do {\
199     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->io_bus_space_tag, \
200         ((struct e1000_osdep *)(hw)->back)->io_bus_space_handle, \
201         (hw)->io_base, reg); \
202     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->io_bus_space_tag, \
203         ((struct e1000_osdep *)(hw)->back)->io_bus_space_handle, \
204         (hw)->io_base + 4, value); } while (0)
205 
206 #define E1000_READ_FLASH_REG(hw, reg) \
207     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
208         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg)
209 
210 #define E1000_READ_FLASH_REG16(hw, reg) \
211     bus_space_read_2(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
212         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg)
213 
214 #define E1000_WRITE_FLASH_REG(hw, reg, value) \
215     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
216         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg, value)
217 
218 #define E1000_WRITE_FLASH_REG16(hw, reg, value) \
219     bus_space_write_2(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
220         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg, value)
221 
222 #endif  /* _FREEBSD_OS_H_ */
223 
224