xref: /freebsd/sys/dev/ixgbe/ixgbe_osdep.h (revision 4f52dfbb)
1 /******************************************************************************
2   SPDX-License-Identifier: BSD-3-Clause
3 
4   Copyright (c) 2001-2017, Intel Corporation
5   All rights reserved.
6 
7   Redistribution and use in source and binary forms, with or without
8   modification, are permitted provided that the following conditions are met:
9 
10    1. Redistributions of source code must retain the above copyright notice,
11       this list of conditions and the following disclaimer.
12 
13    2. Redistributions in binary form must reproduce the above copyright
14       notice, this list of conditions and the following disclaimer in the
15       documentation and/or other materials provided with the distribution.
16 
17    3. Neither the name of the Intel Corporation nor the names of its
18       contributors may be used to endorse or promote products derived from
19       this software without specific prior written permission.
20 
21   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31   POSSIBILITY OF SUCH DAMAGE.
32 
33 ******************************************************************************/
34 /*$FreeBSD$*/
35 
36 #ifndef _IXGBE_OSDEP_H_
37 #define _IXGBE_OSDEP_H_
38 
39 #include <sys/types.h>
40 #include <sys/param.h>
41 #include <sys/endian.h>
42 #include <sys/systm.h>
43 #include <sys/mbuf.h>
44 #include <sys/protosw.h>
45 #include <sys/socket.h>
46 #include <sys/malloc.h>
47 #include <sys/kernel.h>
48 #include <sys/bus.h>
49 #include <machine/bus.h>
50 #include <sys/rman.h>
51 #include <machine/resource.h>
52 #include <vm/vm.h>
53 #include <vm/pmap.h>
54 #include <machine/clock.h>
55 #include <dev/pci/pcivar.h>
56 #include <dev/pci/pcireg.h>
57 
58 #define ASSERT(x) if(!(x)) panic("IXGBE: x")
59 #define EWARN(H, W) printf(W)
60 
61 enum {
62 	IXGBE_ERROR_SOFTWARE,
63 	IXGBE_ERROR_POLLING,
64 	IXGBE_ERROR_INVALID_STATE,
65 	IXGBE_ERROR_UNSUPPORTED,
66 	IXGBE_ERROR_ARGUMENT,
67 	IXGBE_ERROR_CAUTION,
68 };
69 
70 /* The happy-fun DELAY macro is defined in /usr/src/sys/i386/include/clock.h */
71 #define usec_delay(x) DELAY(x)
72 #define msec_delay(x) DELAY(1000*(x))
73 
74 #define DBG 0
75 #define MSGOUT(S, A, B)     printf(S "\n", A, B)
76 #define DEBUGFUNC(F)        DEBUGOUT(F);
77 #if DBG
78 	#define DEBUGOUT(S)         printf(S "\n")
79 	#define DEBUGOUT1(S,A)      printf(S "\n",A)
80 	#define DEBUGOUT2(S,A,B)    printf(S "\n",A,B)
81 	#define DEBUGOUT3(S,A,B,C)  printf(S "\n",A,B,C)
82 	#define DEBUGOUT4(S,A,B,C,D)  printf(S "\n",A,B,C,D)
83 	#define DEBUGOUT5(S,A,B,C,D,E)  printf(S "\n",A,B,C,D,E)
84 	#define DEBUGOUT6(S,A,B,C,D,E,F)  printf(S "\n",A,B,C,D,E,F)
85 	#define DEBUGOUT7(S,A,B,C,D,E,F,G)  printf(S "\n",A,B,C,D,E,F,G)
86 	#define ERROR_REPORT1 ERROR_REPORT
87 	#define ERROR_REPORT2 ERROR_REPORT
88 	#define ERROR_REPORT3 ERROR_REPORT
89 	#define ERROR_REPORT(level, format, arg...) do { \
90 		switch (level) { \
91 		case IXGBE_ERROR_SOFTWARE: \
92 		case IXGBE_ERROR_CAUTION: \
93 		case IXGBE_ERROR_POLLING: \
94 		case IXGBE_ERROR_INVALID_STATE: \
95 		case IXGBE_ERROR_UNSUPPORTED: \
96 		case IXGBE_ERROR_ARGUMENT: \
97 			device_printf(ixgbe_dev_from_hw(hw), format, ## arg); \
98 			break; \
99 		default: \
100 			break; \
101 		} \
102 	} while (0)
103 #else
104 	#define DEBUGOUT(S)
105 	#define DEBUGOUT1(S,A)
106 	#define DEBUGOUT2(S,A,B)
107 	#define DEBUGOUT3(S,A,B,C)
108 	#define DEBUGOUT4(S,A,B,C,D)
109 	#define DEBUGOUT5(S,A,B,C,D,E)
110 	#define DEBUGOUT6(S,A,B,C,D,E,F)
111 	#define DEBUGOUT7(S,A,B,C,D,E,F,G)
112 
113 	#define ERROR_REPORT1(S,A)
114 	#define ERROR_REPORT2(S,A,B)
115 	#define ERROR_REPORT3(S,A,B,C)
116 #endif
117 
118 #define FALSE               0
119 #define false               0 /* shared code requires this */
120 #define TRUE                1
121 #define true                1
122 #define CMD_MEM_WRT_INVALIDATE          0x0010  /* BIT_4 */
123 #define PCI_COMMAND_REGISTER            PCIR_COMMAND
124 
125 /* Shared code dropped this define.. */
126 #define IXGBE_INTEL_VENDOR_ID		0x8086
127 
128 /* Bunch of defines for shared code bogosity */
129 #define UNREFERENCED_PARAMETER(_p)
130 #define UNREFERENCED_1PARAMETER(_p)
131 #define UNREFERENCED_2PARAMETER(_p, _q)
132 #define UNREFERENCED_3PARAMETER(_p, _q, _r)
133 #define UNREFERENCED_4PARAMETER(_p, _q, _r, _s)
134 
135 #define IXGBE_NTOHL(_i)	ntohl(_i)
136 #define IXGBE_NTOHS(_i)	ntohs(_i)
137 
138 /* XXX these need to be revisited */
139 #define IXGBE_CPU_TO_LE16 htole16
140 #define IXGBE_CPU_TO_LE32 htole32
141 #define IXGBE_LE32_TO_CPU le32toh
142 #define IXGBE_LE32_TO_CPUS(x)
143 #define IXGBE_CPU_TO_BE16 htobe16
144 #define IXGBE_CPU_TO_BE32 htobe32
145 #define IXGBE_BE32_TO_CPU be32toh
146 
147 typedef uint8_t		u8;
148 typedef int8_t		s8;
149 typedef uint16_t	u16;
150 typedef int16_t		s16;
151 typedef uint32_t	u32;
152 typedef int32_t		s32;
153 typedef uint64_t	u64;
154 #ifndef __bool_true_false_are_defined
155 typedef boolean_t	bool;
156 #endif
157 
158 /* shared code requires this */
159 #define __le16  u16
160 #define __le32  u32
161 #define __le64  u64
162 #define __be16  u16
163 #define __be32  u32
164 #define __be64  u64
165 
166 #define le16_to_cpu
167 
168 #if __FreeBSD_version < 800000
169 #if defined(__i386__) || defined(__amd64__)
170 #define mb()	__asm volatile("mfence" ::: "memory")
171 #define wmb()	__asm volatile("sfence" ::: "memory")
172 #define rmb()	__asm volatile("lfence" ::: "memory")
173 #else
174 #define mb()
175 #define rmb()
176 #define wmb()
177 #endif
178 #endif
179 
180 #if defined(__i386__) || defined(__amd64__)
181 static __inline
182 void prefetch(void *x)
183 {
184 	__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
185 }
186 #else
187 #define prefetch(x)
188 #endif
189 
190 /*
191  * Optimized bcopy thanks to Luigi Rizzo's investigative work.  Assumes
192  * non-overlapping regions and 32-byte padding on both src and dst.
193  */
194 static __inline int
195 ixgbe_bcopy(void *restrict _src, void *restrict _dst, int l)
196 {
197 	uint64_t *src = _src;
198 	uint64_t *dst = _dst;
199 
200 	for (; l > 0; l -= 32) {
201 		*dst++ = *src++;
202 		*dst++ = *src++;
203 		*dst++ = *src++;
204 		*dst++ = *src++;
205 	}
206 	return (0);
207 }
208 
209 struct ixgbe_osdep
210 {
211 	bus_space_tag_t    mem_bus_space_tag;
212 	bus_space_handle_t mem_bus_space_handle;
213 };
214 
215 /* These routines need struct ixgbe_hw declared */
216 struct ixgbe_hw;
217 
218 /* These routines are needed by the shared code */
219 extern u16 ixgbe_read_pci_cfg(struct ixgbe_hw *, u32);
220 #define IXGBE_READ_PCIE_WORD ixgbe_read_pci_cfg
221 
222 extern void ixgbe_write_pci_cfg(struct ixgbe_hw *, u32, u16);
223 #define IXGBE_WRITE_PCIE_WORD ixgbe_write_pci_cfg
224 
225 #define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS)
226 
227 extern u32 ixgbe_read_reg(struct ixgbe_hw *, u32);
228 #define IXGBE_READ_REG(a, reg) ixgbe_read_reg(a, reg)
229 
230 extern void ixgbe_write_reg(struct ixgbe_hw *, u32, u32);
231 #define IXGBE_WRITE_REG(a, reg, val) ixgbe_write_reg(a, reg, val)
232 
233 extern u32 ixgbe_read_reg_array(struct ixgbe_hw *, u32, u32);
234 #define IXGBE_READ_REG_ARRAY(a, reg, offset) \
235     ixgbe_read_reg_array(a, reg, offset)
236 
237 extern void ixgbe_write_reg_array(struct ixgbe_hw *, u32, u32, u32);
238 #define IXGBE_WRITE_REG_ARRAY(a, reg, offset, val) \
239     ixgbe_write_reg_array(a, reg, offset, val)
240 
241 #endif /* _IXGBE_OSDEP_H_ */
242