xref: /freebsd/sys/dev/ixgbe/ixgbe_osdep.h (revision 8eb6488e)
1 /******************************************************************************
2 
3   Copyright (c) 2001-2017, 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_OSDEP_H_
36 #define _IXGBE_OSDEP_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) printf(W)
59 
60 enum {
61 	IXGBE_ERROR_SOFTWARE,
62 	IXGBE_ERROR_POLLING,
63 	IXGBE_ERROR_INVALID_STATE,
64 	IXGBE_ERROR_UNSUPPORTED,
65 	IXGBE_ERROR_ARGUMENT,
66 	IXGBE_ERROR_CAUTION,
67 };
68 
69 /* The happy-fun DELAY macro is defined in /usr/src/sys/i386/include/clock.h */
70 #define usec_delay(x) DELAY(x)
71 #define msec_delay(x) DELAY(1000*(x))
72 
73 #define DBG 0
74 #define MSGOUT(S, A, B)     printf(S "\n", A, B)
75 #define DEBUGFUNC(F)        DEBUGOUT(F);
76 #if DBG
77 	#define DEBUGOUT(S)         printf(S "\n")
78 	#define DEBUGOUT1(S,A)      printf(S "\n",A)
79 	#define DEBUGOUT2(S,A,B)    printf(S "\n",A,B)
80 	#define DEBUGOUT3(S,A,B,C)  printf(S "\n",A,B,C)
81 	#define DEBUGOUT4(S,A,B,C,D)  printf(S "\n",A,B,C,D)
82 	#define DEBUGOUT5(S,A,B,C,D,E)  printf(S "\n",A,B,C,D,E)
83 	#define DEBUGOUT6(S,A,B,C,D,E,F)  printf(S "\n",A,B,C,D,E,F)
84 	#define DEBUGOUT7(S,A,B,C,D,E,F,G)  printf(S "\n",A,B,C,D,E,F,G)
85 	#define ERROR_REPORT1 ERROR_REPORT
86 	#define ERROR_REPORT2 ERROR_REPORT
87 	#define ERROR_REPORT3 ERROR_REPORT
88 	#define ERROR_REPORT(level, format, arg...) do { \
89 		switch (level) { \
90 		case IXGBE_ERROR_SOFTWARE: \
91 		case IXGBE_ERROR_CAUTION: \
92 		case IXGBE_ERROR_POLLING: \
93 		case IXGBE_ERROR_INVALID_STATE: \
94 		case IXGBE_ERROR_UNSUPPORTED: \
95 		case IXGBE_ERROR_ARGUMENT: \
96 			device_printf(ixgbe_dev_from_hw(hw), format, ## arg); \
97 			break; \
98 		default: \
99 			break; \
100 		} \
101 	} while (0)
102 #else
103 	#define DEBUGOUT(S)
104 	#define DEBUGOUT1(S,A)
105 	#define DEBUGOUT2(S,A,B)
106 	#define DEBUGOUT3(S,A,B,C)
107 	#define DEBUGOUT4(S,A,B,C,D)
108 	#define DEBUGOUT5(S,A,B,C,D,E)
109 	#define DEBUGOUT6(S,A,B,C,D,E,F)
110 	#define DEBUGOUT7(S,A,B,C,D,E,F,G)
111 
112 	#define ERROR_REPORT1(S,A)
113 	#define ERROR_REPORT2(S,A,B)
114 	#define ERROR_REPORT3(S,A,B,C)
115 #endif
116 
117 #define FALSE               0
118 #define false               0 /* shared code requires this */
119 #define TRUE                1
120 #define true                1
121 #define CMD_MEM_WRT_INVALIDATE          0x0010  /* BIT_4 */
122 #define PCI_COMMAND_REGISTER            PCIR_COMMAND
123 
124 /* Shared code dropped this define.. */
125 #define IXGBE_INTEL_VENDOR_ID		0x8086
126 
127 /* Bunch of defines for shared code bogosity */
128 #define UNREFERENCED_PARAMETER(_p)
129 #define UNREFERENCED_1PARAMETER(_p)
130 #define UNREFERENCED_2PARAMETER(_p, _q)
131 #define UNREFERENCED_3PARAMETER(_p, _q, _r)
132 #define UNREFERENCED_4PARAMETER(_p, _q, _r, _s)
133 
134 #define IXGBE_NTOHL(_i)	ntohl(_i)
135 #define IXGBE_NTOHS(_i)	ntohs(_i)
136 
137 /* XXX these need to be revisited */
138 #define IXGBE_CPU_TO_LE16 htole16
139 #define IXGBE_CPU_TO_LE32 htole32
140 #define IXGBE_LE32_TO_CPU le32toh
141 #define IXGBE_LE32_TO_CPUS(x)
142 #define IXGBE_CPU_TO_BE16 htobe16
143 #define IXGBE_CPU_TO_BE32 htobe32
144 #define IXGBE_BE32_TO_CPU be32toh
145 
146 typedef uint8_t		u8;
147 typedef int8_t		s8;
148 typedef uint16_t	u16;
149 typedef int16_t		s16;
150 typedef uint32_t	u32;
151 typedef int32_t		s32;
152 typedef uint64_t	u64;
153 #ifndef __bool_true_false_are_defined
154 typedef boolean_t	bool;
155 #endif
156 
157 /* shared code requires this */
158 #define __le16  u16
159 #define __le32  u32
160 #define __le64  u64
161 #define __be16  u16
162 #define __be32  u32
163 #define __be64  u64
164 
165 #define le16_to_cpu
166 
167 #if __FreeBSD_version < 800000
168 #if defined(__i386__) || defined(__amd64__)
169 #define mb()	__asm volatile("mfence" ::: "memory")
170 #define wmb()	__asm volatile("sfence" ::: "memory")
171 #define rmb()	__asm volatile("lfence" ::: "memory")
172 #else
173 #define mb()
174 #define rmb()
175 #define wmb()
176 #endif
177 #endif
178 
179 #if defined(__i386__) || defined(__amd64__)
180 static __inline
181 void prefetch(void *x)
182 {
183 	__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
184 }
185 #else
186 #define prefetch(x)
187 #endif
188 
189 /*
190  * Optimized bcopy thanks to Luigi Rizzo's investigative work.  Assumes
191  * non-overlapping regions and 32-byte padding on both src and dst.
192  */
193 static __inline int
194 ixgbe_bcopy(void *restrict _src, void *restrict _dst, int l)
195 {
196 	uint64_t *src = _src;
197 	uint64_t *dst = _dst;
198 
199 	for (; l > 0; l -= 32) {
200 		*dst++ = *src++;
201 		*dst++ = *src++;
202 		*dst++ = *src++;
203 		*dst++ = *src++;
204 	}
205 	return (0);
206 }
207 
208 struct ixgbe_osdep
209 {
210 	bus_space_tag_t    mem_bus_space_tag;
211 	bus_space_handle_t mem_bus_space_handle;
212 };
213 
214 /* These routines need struct ixgbe_hw declared */
215 struct ixgbe_hw;
216 
217 /* These routines are needed by the shared code */
218 extern u16 ixgbe_read_pci_cfg(struct ixgbe_hw *, u32);
219 #define IXGBE_READ_PCIE_WORD ixgbe_read_pci_cfg
220 
221 extern void ixgbe_write_pci_cfg(struct ixgbe_hw *, u32, u16);
222 #define IXGBE_WRITE_PCIE_WORD ixgbe_write_pci_cfg
223 
224 #define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS)
225 
226 extern u32 ixgbe_read_reg(struct ixgbe_hw *, u32);
227 #define IXGBE_READ_REG(a, reg) ixgbe_read_reg(a, reg)
228 
229 extern void ixgbe_write_reg(struct ixgbe_hw *, u32, u32);
230 #define IXGBE_WRITE_REG(a, reg, val) ixgbe_write_reg(a, reg, val)
231 
232 extern u32 ixgbe_read_reg_array(struct ixgbe_hw *, u32, u32);
233 #define IXGBE_READ_REG_ARRAY(a, reg, offset) \
234     ixgbe_read_reg_array(a, reg, offset)
235 
236 extern void ixgbe_write_reg_array(struct ixgbe_hw *, u32, u32, u32);
237 #define IXGBE_WRITE_REG_ARRAY(a, reg, offset, val) \
238     ixgbe_write_reg_array(a, reg, offset, val)
239 
240 #endif /* _IXGBE_OSDEP_H_ */
241