xref: /freebsd/sys/dev/ixgbe/ixgbe_osdep.h (revision ef0cb5db0af0d5d5b75b74f8e534fe601b7176d7)
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 #ifndef _IXGBE_OS_H_
36 #define _IXGBE_OS_H_
37 
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/endian.h>
41 #include <sys/systm.h>
42 #include <sys/mbuf.h>
43 #include <sys/protosw.h>
44 #include <sys/socket.h>
45 #include <sys/malloc.h>
46 #include <sys/kernel.h>
47 #include <sys/bus.h>
48 #include <machine/bus.h>
49 #include <sys/rman.h>
50 #include <machine/resource.h>
51 #include <vm/vm.h>
52 #include <vm/pmap.h>
53 #include <machine/clock.h>
54 #include <dev/pci/pcivar.h>
55 #include <dev/pci/pcireg.h>
56 
57 #define ASSERT(x) if(!(x)) panic("IXGBE: x")
58 #define EWARN(H, W, S) printf(W)
59 
60 /* The happy-fun DELAY macro is defined in /usr/src/sys/i386/include/clock.h */
61 #define usec_delay(x) DELAY(x)
62 #define msec_delay(x) DELAY(1000*(x))
63 
64 #define DBG 0
65 #define MSGOUT(S, A, B)     printf(S "\n", A, B)
66 #define DEBUGFUNC(F)        DEBUGOUT(F);
67 #if DBG
68 	#define DEBUGOUT(S)         printf(S "\n")
69 	#define DEBUGOUT1(S,A)      printf(S "\n",A)
70 	#define DEBUGOUT2(S,A,B)    printf(S "\n",A,B)
71 	#define DEBUGOUT3(S,A,B,C)  printf(S "\n",A,B,C)
72 	#define DEBUGOUT4(S,A,B,C,D)  printf(S "\n",A,B,C,D)
73 	#define DEBUGOUT5(S,A,B,C,D,E)  printf(S "\n",A,B,C,D,E)
74 	#define DEBUGOUT6(S,A,B,C,D,E,F)  printf(S "\n",A,B,C,D,E,F)
75 	#define DEBUGOUT7(S,A,B,C,D,E,F,G)  printf(S "\n",A,B,C,D,E,F,G)
76 	#define ERROR_REPORT1(S,A)      printf(S "\n",A)
77 	#define ERROR_REPORT2(S,A,B)    printf(S "\n",A,B)
78 	#define ERROR_REPORT3(S,A,B,C)  printf(S "\n",A,B,C)
79 #else
80 	#define DEBUGOUT(S)
81 	#define DEBUGOUT1(S,A)
82 	#define DEBUGOUT2(S,A,B)
83 	#define DEBUGOUT3(S,A,B,C)
84 	#define DEBUGOUT4(S,A,B,C,D)
85 	#define DEBUGOUT5(S,A,B,C,D,E)
86 	#define DEBUGOUT6(S,A,B,C,D,E,F)
87 	#define DEBUGOUT7(S,A,B,C,D,E,F,G)
88 
89 	#define ERROR_REPORT1(S,A)
90 	#define ERROR_REPORT2(S,A,B)
91 	#define ERROR_REPORT3(S,A,B,C)
92 #endif
93 
94 #define FALSE               0
95 #define false               0 /* shared code requires this */
96 #define TRUE                1
97 #define true                1
98 #define CMD_MEM_WRT_INVALIDATE          0x0010  /* BIT_4 */
99 #define PCI_COMMAND_REGISTER            PCIR_COMMAND
100 
101 /* Shared code dropped this define.. */
102 #define IXGBE_INTEL_VENDOR_ID		0x8086
103 
104 /* Bunch of defines for shared code bogosity */
105 #define UNREFERENCED_PARAMETER(_p)
106 #define UNREFERENCED_1PARAMETER(_p)
107 #define UNREFERENCED_2PARAMETER(_p, _q)
108 #define UNREFERENCED_3PARAMETER(_p, _q, _r)
109 #define UNREFERENCED_4PARAMETER(_p, _q, _r, _s)
110 
111 #define IXGBE_NTOHL(_i)	ntohl(_i)
112 #define IXGBE_NTOHS(_i)	ntohs(_i)
113 
114 /* XXX these need to be revisited */
115 #define IXGBE_CPU_TO_LE32 htole32
116 #define IXGBE_LE32_TO_CPUS(x)
117 #define IXGBE_CPU_TO_BE16 htobe16
118 #define IXGBE_CPU_TO_BE32 htobe32
119 
120 typedef uint8_t		u8;
121 typedef int8_t		s8;
122 typedef uint16_t	u16;
123 typedef int16_t		s16;
124 typedef uint32_t	u32;
125 typedef int32_t		s32;
126 typedef uint64_t	u64;
127 #ifndef __bool_true_false_are_defined
128 typedef boolean_t	bool;
129 #endif
130 
131 /* shared code requires this */
132 #define __le16  u16
133 #define __le32  u32
134 #define __le64  u64
135 #define __be16  u16
136 #define __be32  u32
137 #define __be64  u64
138 
139 #define le16_to_cpu
140 
141 #if __FreeBSD_version < 800000
142 #if defined(__i386__) || defined(__amd64__)
143 #define mb()	__asm volatile("mfence" ::: "memory")
144 #define wmb()	__asm volatile("sfence" ::: "memory")
145 #define rmb()	__asm volatile("lfence" ::: "memory")
146 #else
147 #define mb()
148 #define rmb()
149 #define wmb()
150 #endif
151 #endif
152 
153 #if defined(__i386__) || defined(__amd64__)
154 static __inline
155 void prefetch(void *x)
156 {
157 	__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
158 }
159 #else
160 #define prefetch(x)
161 #endif
162 
163 /*
164  * Optimized bcopy thanks to Luigi Rizzo's investigative work.  Assumes
165  * non-overlapping regions and 32-byte padding on both src and dst.
166  */
167 static __inline int
168 ixgbe_bcopy(void *_src, void *_dst, int l)
169 {
170 	uint64_t *src = _src;
171 	uint64_t *dst = _dst;
172 
173 	for (; l > 0; l -= 32) {
174 		*dst++ = *src++;
175 		*dst++ = *src++;
176 		*dst++ = *src++;
177 		*dst++ = *src++;
178 	}
179 	return (0);
180 }
181 
182 struct ixgbe_osdep
183 {
184 	bus_space_tag_t    mem_bus_space_tag;
185 	bus_space_handle_t mem_bus_space_handle;
186 	struct device     *dev;
187 };
188 
189 /* These routines are needed by the shared code */
190 struct ixgbe_hw;
191 extern u16 ixgbe_read_pci_cfg(struct ixgbe_hw *, u32);
192 #define IXGBE_READ_PCIE_WORD ixgbe_read_pci_cfg
193 
194 extern void ixgbe_write_pci_cfg(struct ixgbe_hw *, u32, u16);
195 #define IXGBE_WRITE_PCIE_WORD ixgbe_write_pci_cfg
196 
197 #define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS)
198 
199 #define IXGBE_READ_REG(a, reg) (\
200    bus_space_read_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
201                      ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
202                      reg))
203 
204 #define IXGBE_WRITE_REG(a, reg, value) (\
205    bus_space_write_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
206                      ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
207                      reg, value))
208 
209 
210 #define IXGBE_READ_REG_ARRAY(a, reg, offset) (\
211    bus_space_read_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
212                      ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
213                      (reg + ((offset) << 2))))
214 
215 #define IXGBE_WRITE_REG_ARRAY(a, reg, offset, value) (\
216       bus_space_write_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
217                       ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
218                       (reg + ((offset) << 2)), value))
219 
220 
221 #endif /* _IXGBE_OS_H_ */
222