xref: /dragonfly/sys/dev/netif/ix/ixgbe_osdep.h (revision f2c43266)
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32 ******************************************************************************/
33 /*$FreeBSD$*/
34 
35 
36 #ifndef _IXGBE_OS_H_
37 #define _IXGBE_OS_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 <sys/rman.h>
50 #include <vm/vm.h>
51 #include <vm/pmap.h>
52 #include <machine/clock.h>
53 #include <bus/pci/pcivar.h>
54 #include <bus/pci/pcireg.h>
55 
56 #define ASSERT(x) if(!(x)) panic("IXGBE: x")
57 #define EWARN(H, W, S) kprintf(W)
58 
59 /* The happy-fun DELAY macro is defined in /usr/src/sys/i386/include/clock.h */
60 #define usec_delay(x) DELAY(x)
61 #define msec_delay(x) DELAY(1000*(x))
62 
63 #define DBG 0
64 #define MSGOUT(S, A, B)     kprintf(S "\n", A, B)
65 #define DEBUGFUNC(F)        DEBUGOUT(F);
66 #if DBG
67 	#define DEBUGOUT(S)         kprintf(S "\n")
68 	#define DEBUGOUT1(S,A)      kprintf(S "\n",A)
69 	#define DEBUGOUT2(S,A,B)    kprintf(S "\n",A,B)
70 	#define DEBUGOUT3(S,A,B,C)  kprintf(S "\n",A,B,C)
71 	#define DEBUGOUT4(S,A,B,C,D)  kprintf(S "\n",A,B,C,D)
72 	#define DEBUGOUT5(S,A,B,C,D,E)  kprintf(S "\n",A,B,C,D,E)
73 	#define DEBUGOUT6(S,A,B,C,D,E,F)  kprintf(S "\n",A,B,C,D,E,F)
74 	#define DEBUGOUT7(S,A,B,C,D,E,F,G)  kprintf(S "\n",A,B,C,D,E,F,G)
75 	#define ERROR_REPORT1(S,A)      kprintf(S "\n",A)
76 	#define ERROR_REPORT2(S,A,B)    kprintf(S "\n",A,B)
77 	#define ERROR_REPORT3(S,A,B,C)  kprintf(S "\n",A,B,C)
78 #else
79 	#define DEBUGOUT(S)
80 	#define DEBUGOUT1(S,A)
81 	#define DEBUGOUT2(S,A,B)
82 	#define DEBUGOUT3(S,A,B,C)
83 	#define DEBUGOUT4(S,A,B,C,D)
84 	#define DEBUGOUT5(S,A,B,C,D,E)
85 	#define DEBUGOUT6(S,A,B,C,D,E,F)
86 	#define DEBUGOUT7(S,A,B,C,D,E,F,G)
87 
88 	#define ERROR_REPORT1(S,A)
89 	#define ERROR_REPORT2(S,A,B)
90 	#define ERROR_REPORT3(S,A,B,C)
91 #endif
92 
93 #define FALSE               0
94 #define false               0 /* shared code requires this */
95 #define TRUE                1
96 #define true                1
97 #define CMD_MEM_WRT_INVALIDATE          0x0010  /* BIT_4 */
98 #define PCI_COMMAND_REGISTER            PCIR_COMMAND
99 
100 /* Shared code dropped this define.. */
101 #define IXGBE_INTEL_VENDOR_ID		0x8086
102 
103 /* Bunch of defines for shared code bogosity */
104 #define UNREFERENCED_PARAMETER(_p)
105 #define UNREFERENCED_1PARAMETER(_p)
106 #define UNREFERENCED_2PARAMETER(_p, _q)
107 #define UNREFERENCED_3PARAMETER(_p, _q, _r)
108 #define UNREFERENCED_4PARAMETER(_p, _q, _r, _s)
109 
110 #define IXGBE_NTOHL(_i)	ntohl(_i)
111 #define IXGBE_NTOHS(_i)	ntohs(_i)
112 
113 /* XXX these need to be revisited */
114 #define IXGBE_CPU_TO_LE32 htole32
115 #define IXGBE_LE32_TO_CPUS(x)
116 #define IXGBE_CPU_TO_BE16 htobe16
117 #define IXGBE_CPU_TO_BE32 htobe32
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 defined(__i386__) || defined(__x86_64__)
141 #define mb()	__asm volatile("mfence" ::: "memory")
142 #define wmb()	__asm volatile("sfence" ::: "memory")
143 #define rmb()	__asm volatile("lfence" ::: "memory")
144 #else
145 #define mb()
146 #define rmb()
147 #define wmb()
148 #endif
149 
150 #if defined(__i386__) || defined(__x86_64__)
151 static __inline
152 void prefetch(void *x)
153 {
154 	__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
155 }
156 #else
157 #define prefetch(x)
158 #endif
159 
160 /*
161  * Optimized bcopy thanks to Luigi Rizzo's investigative work.  Assumes
162  * non-overlapping regions and 32-byte padding on both src and dst.
163  */
164 static __inline int
165 ixgbe_bcopy(void *_src, void *_dst, int l)
166 {
167 	uint64_t *src = _src;
168 	uint64_t *dst = _dst;
169 
170 	for (; l > 0; l -= 32) {
171 		*dst++ = *src++;
172 		*dst++ = *src++;
173 		*dst++ = *src++;
174 		*dst++ = *src++;
175 	}
176 	return (0);
177 }
178 
179 struct ixgbe_osdep
180 {
181 	bus_space_tag_t    mem_bus_space_tag;
182 	bus_space_handle_t mem_bus_space_handle;
183 	struct device     *dev;
184 };
185 
186 /* These routines are needed by the shared code */
187 struct ixgbe_hw;
188 extern u16 ixgbe_read_pci_cfg(struct ixgbe_hw *, u32);
189 #define IXGBE_READ_PCIE_WORD ixgbe_read_pci_cfg
190 
191 extern void ixgbe_write_pci_cfg(struct ixgbe_hw *, u32, u16);
192 #define IXGBE_WRITE_PCIE_WORD ixgbe_write_pci_cfg
193 
194 static __inline uint32_t
195 ixgbe_read_reg_osdep(struct ixgbe_osdep *osdep, uint32_t reg)
196 {
197 	uint32_t value;
198 	int count = 0;
199 
200 	do {
201 		value = bus_space_read_4(osdep->mem_bus_space_tag,
202 		    osdep->mem_bus_space_handle, reg);
203 	} while (value == 0xdeadbeef && ++count < 10);
204 
205 	if (count > 1)
206 		device_printf(osdep->dev, "%d register reads @ 0x%8x\n",
207 		    count, reg);
208 
209 	return value;
210 }
211 
212 #define IXGBE_READ_REG(a, reg) ixgbe_read_reg_osdep((a)->back, reg)
213 
214 #define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS)
215 
216 #define IXGBE_WRITE_REG(a, reg, value) (\
217    bus_space_write_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
218                      ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
219                      reg, value))
220 
221 
222 #define IXGBE_READ_REG_ARRAY(a, reg, offset) (\
223    bus_space_read_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
224                      ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
225                      (reg + ((offset) << 2))))
226 
227 #define IXGBE_WRITE_REG_ARRAY(a, reg, offset, value) (\
228       bus_space_write_4( ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_tag, \
229                       ((struct ixgbe_osdep *)(a)->back)->mem_bus_space_handle, \
230                       (reg + ((offset) << 2)), value))
231 
232 
233 #endif /* _IXGBE_OS_H_ */
234