xref: /freebsd/sys/dev/ixgbe/ixgbe_osdep.h (revision cfc0969a)
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3   Copyright (c) 2001-2012, 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 DEBUGOUT7(S,A,B,C,D,E,F,G)  printf(S "\n",A,B,C,D,E,F,G)
73 #else
74 	#define DEBUGOUT(S)
75 	#define DEBUGOUT1(S,A)
76 	#define DEBUGOUT2(S,A,B)
77 	#define DEBUGOUT3(S,A,B,C)
78 	#define DEBUGOUT6(S,A,B,C,D,E,F)
79 	#define DEBUGOUT7(S,A,B,C,D,E,F,G)
80 #endif
81 
82 #define FALSE               0
83 #define false               0 /* shared code requires this */
84 #define TRUE                1
85 #define true                1
86 #define CMD_MEM_WRT_INVALIDATE          0x0010  /* BIT_4 */
87 #define PCI_COMMAND_REGISTER            PCIR_COMMAND
88 
89 /* Bunch of defines for shared code bogosity */
90 #define UNREFERENCED_PARAMETER(_p)
91 #define UNREFERENCED_1PARAMETER(_p)
92 #define UNREFERENCED_2PARAMETER(_p, _q)
93 #define UNREFERENCED_3PARAMETER(_p, _q, _r)
94 #define UNREFERENCED_4PARAMETER(_p, _q, _r, _s)
95 
96 
97 #define IXGBE_NTOHL(_i)	ntohl(_i)
98 #define IXGBE_NTOHS(_i)	ntohs(_i)
99 
100 /* XXX these need to be revisited */
101 #define IXGBE_CPU_TO_LE32 le32toh
102 #define IXGBE_LE32_TO_CPUS le32dec
103 
104 typedef uint8_t		u8;
105 typedef int8_t		s8;
106 typedef uint16_t	u16;
107 typedef uint32_t	u32;
108 typedef int32_t		s32;
109 typedef uint64_t	u64;
110 #ifndef __bool_true_false_are_defined
111 typedef boolean_t	bool;
112 #endif
113 
114 /* shared code requires this */
115 #define __le16  u16
116 #define __le32  u32
117 #define __le64  u64
118 #define __be16  u16
119 #define __be32  u32
120 #define __be64  u64
121 
122 #define le16_to_cpu
123 
124 #if __FreeBSD_version < 800000
125 #if defined(__i386__) || defined(__amd64__)
126 #define mb()	__asm volatile("mfence" ::: "memory")
127 #define wmb()	__asm volatile("sfence" ::: "memory")
128 #define rmb()	__asm volatile("lfence" ::: "memory")
129 #else
130 #define mb()
131 #define rmb()
132 #define wmb()
133 #endif
134 #endif
135 
136 #if defined(__i386__) || defined(__amd64__)
137 static __inline
138 void prefetch(void *x)
139 {
140 	__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
141 }
142 #else
143 #define prefetch(x)
144 #endif
145 
146 /*
147  * Optimized bcopy thanks to Luigi Rizzo's investigative work.  Assumes
148  * non-overlapping regions and 32-byte padding on both src and dst.
149  */
150 static __inline int
151 ixgbe_bcopy(void *_src, void *_dst, int l)
152 {
153 	uint64_t *src = _src;
154 	uint64_t *dst = _dst;
155 
156 	for (; l > 0; l -= 32) {
157 		*dst++ = *src++;
158 		*dst++ = *src++;
159 		*dst++ = *src++;
160 		*dst++ = *src++;
161 	}
162 	return (0);
163 }
164 
165 struct ixgbe_osdep
166 {
167 	bus_space_tag_t    mem_bus_space_tag;
168 	bus_space_handle_t mem_bus_space_handle;
169 	struct device     *dev;
170 };
171 
172 /* These routines are needed by the shared code */
173 struct ixgbe_hw;
174 extern u16 ixgbe_read_pci_cfg(struct ixgbe_hw *, u32);
175 #define IXGBE_READ_PCIE_WORD ixgbe_read_pci_cfg
176 
177 extern void ixgbe_write_pci_cfg(struct ixgbe_hw *, u32, u16);
178 #define IXGBE_WRITE_PCIE_WORD ixgbe_write_pci_cfg
179 
180 #define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS)
181 
182 #define IXGBE_READ_REG(a, reg) (\
183    bus_space_read_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
184                      ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
185                      reg))
186 
187 #define IXGBE_WRITE_REG(a, reg, value) (\
188    bus_space_write_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
189                      ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
190                      reg, value))
191 
192 
193 #define IXGBE_READ_REG_ARRAY(a, reg, offset) (\
194    bus_space_read_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
195                      ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
196                      (reg + ((offset) << 2))))
197 
198 #define IXGBE_WRITE_REG_ARRAY(a, reg, offset, value) (\
199       bus_space_write_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
200                       ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
201                       (reg + ((offset) << 2)), value))
202 
203 
204 #endif /* _IXGBE_OS_H_ */
205