1 /******************************************************************************
2
3 Copyright (c) 2013-2014, 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 _I40E_OSDEP_H_
36 #define _I40E_OSDEP_H_
37
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/endian.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("IXL: x")
58
59 #define i40e_usec_delay(x) DELAY(x)
60 #define i40e_msec_delay(x) DELAY(1000*(x))
61
62 #define DBG 0
63 #define MSGOUT(S, A, B) printf(S "\n", A, B)
64 #define DEBUGFUNC(F) DEBUGOUT(F);
65 #if DBG
66 #define DEBUGOUT(S) printf(S "\n")
67 #define DEBUGOUT1(S,A) printf(S "\n",A)
68 #define DEBUGOUT2(S,A,B) printf(S "\n",A,B)
69 #define DEBUGOUT3(S,A,B,C) printf(S "\n",A,B,C)
70 #define DEBUGOUT7(S,A,B,C,D,E,F,G) printf(S "\n",A,B,C,D,E,F,G)
71 #else
72 #define DEBUGOUT(S)
73 #define DEBUGOUT1(S,A)
74 #define DEBUGOUT2(S,A,B)
75 #define DEBUGOUT3(S,A,B,C)
76 #define DEBUGOUT6(S,A,B,C,D,E,F)
77 #define DEBUGOUT7(S,A,B,C,D,E,F,G)
78 #endif
79
80 #define UNREFERENCED_XPARAMETER
81 #define UNREFERENCED_PARAMETER(_p)
82 #define UNREFERENCED_1PARAMETER(_p)
83 #define UNREFERENCED_2PARAMETER(_p, _q)
84 #define UNREFERENCED_3PARAMETER(_p, _q, _r)
85 #define UNREFERENCED_4PARAMETER(_p, _q, _r, _s)
86
87 #define STATIC static
88 #define INLINE inline
89
90 #define FALSE 0
91 #define false 0 /* shared code requires this */
92 #define TRUE 1
93 #define true 1
94 #define CMD_MEM_WRT_INVALIDATE 0x0010 /* BIT_4 */
95 #define PCI_COMMAND_REGISTER PCIR_COMMAND
96 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
97
98 #define i40e_memset(a, b, c, d) memset((a), (b), (c))
99 #define i40e_memcpy(a, b, c, d) memcpy((a), (b), (c))
100
101 #define CPU_TO_LE16(o) htole16(o)
102 #define CPU_TO_LE32(s) htole32(s)
103 #define CPU_TO_LE64(h) htole64(h)
104 #define LE16_TO_CPU(a) le16toh(a)
105 #define LE32_TO_CPU(c) le32toh(c)
106 #define LE64_TO_CPU(k) le64toh(k)
107
108 #define I40E_NTOHS(a) ntohs(a)
109 #define I40E_NTOHL(a) ntohl(a)
110 #define I40E_HTONS(a) htons(a)
111 #define I40E_HTONL(a) htonl(a)
112
113 #define FIELD_SIZEOF(x, y) (sizeof(((x*)0)->y))
114
115 typedef uint8_t u8;
116 typedef int8_t s8;
117 typedef uint16_t u16;
118 typedef int16_t s16;
119 typedef uint32_t u32;
120 typedef int32_t s32;
121 typedef uint64_t u64;
122
123 /* long string relief */
124 typedef enum i40e_status_code i40e_status;
125
126 #define __le16 u16
127 #define __le32 u32
128 #define __le64 u64
129 #define __be16 u16
130 #define __be32 u32
131 #define __be64 u64
132
133 /* SW spinlock */
134 struct i40e_spinlock {
135 struct mtx mutex;
136 };
137
138 #define le16_to_cpu
139
140 #if defined(__amd64__) || defined(i386)
141 static __inline
prefetch(void * x)142 void prefetch(void *x)
143 {
144 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
145 }
146 #else
147 #define prefetch(x)
148 #endif
149
150 struct i40e_osdep {
151 bus_space_tag_t mem_bus_space_tag;
152 bus_space_handle_t mem_bus_space_handle;
153 bus_size_t mem_bus_space_size;
154 uint32_t flush_reg;
155 struct device *dev;
156 };
157
158 struct i40e_dma_mem {
159 void *va;
160 u64 pa;
161 bus_dma_tag_t tag;
162 bus_dmamap_t map;
163 bus_dma_segment_t seg;
164 bus_size_t size;
165 int nseg;
166 int flags;
167 };
168
169 struct i40e_hw; /* forward decl */
170 u16 i40e_read_pci_cfg(struct i40e_hw *, u32);
171 void i40e_write_pci_cfg(struct i40e_hw *, u32, u16);
172
173 #define i40e_debug(h, m, s, ...) i40e_debug_d(h, m, s, ##__VA_ARGS__)
174 extern void i40e_debug_d(void *hw, u32 mask, char *fmt_str, ...);
175
176 struct i40e_virt_mem {
177 void *va;
178 u32 size;
179 };
180
181 /*
182 ** This hardware supports either 16 or 32 byte rx descriptors
183 ** we default here to the larger size.
184 */
185 #define i40e_rx_desc i40e_32byte_rx_desc
186
187 static __inline uint32_t
rd32_osdep(struct i40e_osdep * osdep,uint32_t reg)188 rd32_osdep(struct i40e_osdep *osdep, uint32_t reg)
189 {
190
191 KASSERT(reg < osdep->mem_bus_space_size,
192 ("ixl: register offset %#jx too large (max is %#jx",
193 (uintmax_t)reg, (uintmax_t)osdep->mem_bus_space_size));
194
195 return (bus_space_read_4(osdep->mem_bus_space_tag,
196 osdep->mem_bus_space_handle, reg));
197 }
198
199 static __inline void
wr32_osdep(struct i40e_osdep * osdep,uint32_t reg,uint32_t value)200 wr32_osdep(struct i40e_osdep *osdep, uint32_t reg, uint32_t value)
201 {
202
203 KASSERT(reg < osdep->mem_bus_space_size,
204 ("ixl: register offset %#jx too large (max is %#jx",
205 (uintmax_t)reg, (uintmax_t)osdep->mem_bus_space_size));
206
207 bus_space_write_4(osdep->mem_bus_space_tag,
208 osdep->mem_bus_space_handle, reg, value);
209 }
210
211 static __inline void
ixl_flush_osdep(struct i40e_osdep * osdep)212 ixl_flush_osdep(struct i40e_osdep *osdep)
213 {
214
215 rd32_osdep(osdep, osdep->flush_reg);
216 }
217
218 #define rd32(a, reg) rd32_osdep((a)->back, (reg))
219 #define wr32(a, reg, value) wr32_osdep((a)->back, (reg), (value))
220
221 #define rd64(a, reg) (\
222 bus_space_read_8( ((struct i40e_osdep *)(a)->back)->mem_bus_space_tag, \
223 ((struct i40e_osdep *)(a)->back)->mem_bus_space_handle, \
224 reg))
225
226 #define wr64(a, reg, value) (\
227 bus_space_write_8( ((struct i40e_osdep *)(a)->back)->mem_bus_space_tag, \
228 ((struct i40e_osdep *)(a)->back)->mem_bus_space_handle, \
229 reg, value))
230
231 #define ixl_flush(a) ixl_flush_osdep((a)->back)
232
233 #endif /* _I40E_OSDEP_H_ */
234