xref: /netbsd-src/sys/dev/pci/ixgbe/ixgbe_osdep.h (revision 87d689fb734c654d2486f87f7be32f1b53ecdbec)
1 /* $NetBSD: ixgbe_osdep.h,v 1.19 2017/12/06 04:08:50 msaitoh Exp $ */
2 
3 /******************************************************************************
4   SPDX-License-Identifier: BSD-3-Clause
5 
6   Copyright (c) 2001-2017, Intel Corporation
7   All rights reserved.
8 
9   Redistribution and use in source and binary forms, with or without
10   modification, are permitted provided that the following conditions are met:
11 
12    1. Redistributions of source code must retain the above copyright notice,
13       this list of conditions and the following disclaimer.
14 
15    2. Redistributions in binary form must reproduce the above copyright
16       notice, this list of conditions and the following disclaimer in the
17       documentation and/or other materials provided with the distribution.
18 
19    3. Neither the name of the Intel Corporation nor the names of its
20       contributors may be used to endorse or promote products derived from
21       this software without specific prior written permission.
22 
23   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33   POSSIBILITY OF SUCH DAMAGE.
34 
35 ******************************************************************************/
36 /*$FreeBSD: head/sys/dev/ixgbe/ixgbe_osdep.h 320688 2017-07-05 17:27:03Z erj $*/
37 
38 #ifndef _IXGBE_OSDEP_H_
39 #define _IXGBE_OSDEP_H_
40 
41 #include <sys/types.h>
42 #include <sys/param.h>
43 #include <sys/endian.h>
44 #include <sys/systm.h>
45 #include <sys/mbuf.h>
46 #include <sys/protosw.h>
47 #include <sys/socket.h>
48 #include <sys/malloc.h>
49 #include <sys/kernel.h>
50 #include <sys/cprng.h>
51 #include <sys/bus.h>
52 #include <dev/pci/pcivar.h>
53 #include <dev/pci/pcireg.h>
54 #include <net/if.h>
55 #include <net/if_ether.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)		do { } while (/*CONSTCOND*/false)
104 	#define DEBUGOUT1(S,A)		do { } while (/*CONSTCOND*/false)
105 	#define DEBUGOUT2(S,A,B)	do { } while (/*CONSTCOND*/false)
106 	#define DEBUGOUT3(S,A,B,C)	do { } while (/*CONSTCOND*/false)
107 	#define DEBUGOUT4(S,A,B,C,D)	do { } while (/*CONSTCOND*/false)
108 	#define DEBUGOUT5(S,A,B,C,D,E)	do { } while (/*CONSTCOND*/false)
109 	#define DEBUGOUT6(S,A,B,C,D,E,F)	\
110 					do { } while (/*CONSTCOND*/false)
111 	#define DEBUGOUT7(S,A,B,C,D,E,F,G)	\
112 					do { } while (/*CONSTCOND*/false)
113 	#define ERROR_REPORT1(S,A)	do { } while (/*CONSTCOND*/false)
114 	#define ERROR_REPORT2(S,A,B)	do { } while (/*CONSTCOND*/false)
115 	#define ERROR_REPORT3(S,A,B,C)	do { } while (/*CONSTCOND*/false)
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 
155 #define le16_to_cpu
156 
157 /* This device driver's max interrupt numbers. */
158 #define IXG_MAX_NINTR		64
159 
160 #if __FreeBSD_version < 800000
161 #if defined(__i386__) || defined(__amd64__)
162 #define mb()	__asm volatile("mfence" ::: "memory")
163 #define wmb()	__asm volatile("sfence" ::: "memory")
164 #define rmb()	__asm volatile("lfence" ::: "memory")
165 #else
166 #define mb()
167 #define rmb()
168 #define wmb()
169 #endif
170 #endif
171 
172 #if defined(__i386__) || defined(__amd64__)
173 static __inline
174 void prefetch(void *x)
175 {
176 	__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
177 }
178 #else
179 #define prefetch(x)
180 #endif
181 
182 /*
183  * Optimized bcopy thanks to Luigi Rizzo's investigative work.  Assumes
184  * non-overlapping regions and 32-byte padding on both src and dst.
185  */
186 static __inline int
187 ixgbe_bcopy(void *restrict _src, void *restrict _dst, int l)
188 {
189 	uint64_t *src = _src;
190 	uint64_t *dst = _dst;
191 
192 	for (; l > 0; l -= 32) {
193 		*dst++ = *src++;
194 		*dst++ = *src++;
195 		*dst++ = *src++;
196 		*dst++ = *src++;
197 	}
198 	return (0);
199 }
200 
201 struct ixgbe_osdep
202 {
203 	struct ethercom    ec;
204 	pci_chipset_tag_t  pc;
205 	pcitag_t           tag;
206 	bus_space_tag_t    mem_bus_space_tag;
207 	bus_space_handle_t mem_bus_space_handle;
208 	bus_size_t         mem_size;
209 	bus_dma_tag_t      dmat;
210 	pci_intr_handle_t  *intrs;
211 	int		   nintrs;
212 	void               *ihs[IXG_MAX_NINTR];
213 	bool		   attached;
214 };
215 
216 /* These routines need struct ixgbe_hw declared */
217 struct ixgbe_hw;
218 device_t ixgbe_dev_from_hw(struct ixgbe_hw *hw);
219 
220 /* These routines are needed by the shared code */
221 extern u16 ixgbe_read_pci_cfg(struct ixgbe_hw *, u32);
222 #define IXGBE_READ_PCIE_WORD ixgbe_read_pci_cfg
223 
224 extern void ixgbe_write_pci_cfg(struct ixgbe_hw *, u32, u16);
225 #define IXGBE_WRITE_PCIE_WORD ixgbe_write_pci_cfg
226 
227 #define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS)
228 
229 extern u32 ixgbe_read_reg(struct ixgbe_hw *, u32);
230 #define IXGBE_READ_REG(a, reg) ixgbe_read_reg(a, reg)
231 
232 extern void ixgbe_write_reg(struct ixgbe_hw *, u32, u32);
233 #define IXGBE_WRITE_REG(a, reg, val) ixgbe_write_reg(a, reg, val)
234 
235 extern u32 ixgbe_read_reg_array(struct ixgbe_hw *, u32, u32);
236 #define IXGBE_READ_REG_ARRAY(a, reg, offset) \
237     ixgbe_read_reg_array(a, reg, offset)
238 
239 extern void ixgbe_write_reg_array(struct ixgbe_hw *, u32, u32, u32);
240 #define IXGBE_WRITE_REG_ARRAY(a, reg, offset, val) \
241     ixgbe_write_reg_array(a, reg, offset, val)
242 
243 #endif /* _IXGBE_OSDEP_H_ */
244