xref: /freebsd/sys/dev/ixgbe/ixgbe_osdep.h (revision f05cddf9)
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3   Copyright (c) 2001-2013, Intel Corporation
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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 
112 #define IXGBE_NTOHL(_i)	ntohl(_i)
113 #define IXGBE_NTOHS(_i)	ntohs(_i)
114 
115 /* XXX these need to be revisited */
116 #define IXGBE_CPU_TO_LE32 le32toh
117 #define IXGBE_LE32_TO_CPUS le32dec
118 
119 typedef uint8_t		u8;
120 typedef int8_t		s8;
121 typedef uint16_t	u16;
122 typedef int16_t		s16;
123 typedef uint32_t	u32;
124 typedef int32_t		s32;
125 typedef uint64_t	u64;
126 #ifndef __bool_true_false_are_defined
127 typedef boolean_t	bool;
128 #endif
129 
130 /* shared code requires this */
131 #define __le16  u16
132 #define __le32  u32
133 #define __le64  u64
134 #define __be16  u16
135 #define __be32  u32
136 #define __be64  u64
137 
138 #define le16_to_cpu
139 
140 #if __FreeBSD_version < 800000
141 #if defined(__i386__) || defined(__amd64__)
142 #define mb()	__asm volatile("mfence" ::: "memory")
143 #define wmb()	__asm volatile("sfence" ::: "memory")
144 #define rmb()	__asm volatile("lfence" ::: "memory")
145 #else
146 #define mb()
147 #define rmb()
148 #define wmb()
149 #endif
150 #endif
151 
152 #if defined(__i386__) || defined(__amd64__)
153 static __inline
154 void prefetch(void *x)
155 {
156 	__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
157 }
158 #else
159 #define prefetch(x)
160 #endif
161 
162 /*
163  * Optimized bcopy thanks to Luigi Rizzo's investigative work.  Assumes
164  * non-overlapping regions and 32-byte padding on both src and dst.
165  */
166 static __inline int
167 ixgbe_bcopy(void *_src, void *_dst, int l)
168 {
169 	uint64_t *src = _src;
170 	uint64_t *dst = _dst;
171 
172 	for (; l > 0; l -= 32) {
173 		*dst++ = *src++;
174 		*dst++ = *src++;
175 		*dst++ = *src++;
176 		*dst++ = *src++;
177 	}
178 	return (0);
179 }
180 
181 struct ixgbe_osdep
182 {
183 	bus_space_tag_t    mem_bus_space_tag;
184 	bus_space_handle_t mem_bus_space_handle;
185 	struct device     *dev;
186 };
187 
188 /* These routines are needed by the shared code */
189 struct ixgbe_hw;
190 extern u16 ixgbe_read_pci_cfg(struct ixgbe_hw *, u32);
191 #define IXGBE_READ_PCIE_WORD ixgbe_read_pci_cfg
192 
193 extern void ixgbe_write_pci_cfg(struct ixgbe_hw *, u32, u16);
194 #define IXGBE_WRITE_PCIE_WORD ixgbe_write_pci_cfg
195 
196 #define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS)
197 
198 #define IXGBE_READ_REG(a, reg) (\
199    bus_space_read_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
200                      ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
201                      reg))
202 
203 #define IXGBE_WRITE_REG(a, reg, value) (\
204    bus_space_write_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
205                      ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
206                      reg, value))
207 
208 
209 #define IXGBE_READ_REG_ARRAY(a, reg, offset) (\
210    bus_space_read_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
211                      ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
212                      (reg + ((offset) << 2))))
213 
214 #define IXGBE_WRITE_REG_ARRAY(a, reg, offset, value) (\
215       bus_space_write_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
216                       ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
217                       (reg + ((offset) << 2)), value))
218 
219 
220 #endif /* _IXGBE_OS_H_ */
221