1 /****************************************************************************** 2 3 Copyright (c) 2013-2015, 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 i40e_usec_delay(x) DELAY(x) 58 #define i40e_msec_delay(x) DELAY(1000*(x)) 59 60 #define DBG 0 61 #define MSGOUT(S, A, B) printf(S "\n", A, B) 62 #define DEBUGFUNC(F) DEBUGOUT(F); 63 #if DBG 64 #define DEBUGOUT(S) printf(S "\n") 65 #define DEBUGOUT1(S,A) printf(S "\n",A) 66 #define DEBUGOUT2(S,A,B) printf(S "\n",A,B) 67 #define DEBUGOUT3(S,A,B,C) printf(S "\n",A,B,C) 68 #define DEBUGOUT7(S,A,B,C,D,E,F,G) printf(S "\n",A,B,C,D,E,F,G) 69 #else 70 #define DEBUGOUT(S) 71 #define DEBUGOUT1(S,A) 72 #define DEBUGOUT2(S,A,B) 73 #define DEBUGOUT3(S,A,B,C) 74 #define DEBUGOUT6(S,A,B,C,D,E,F) 75 #define DEBUGOUT7(S,A,B,C,D,E,F,G) 76 #endif 77 78 #define UNREFERENCED_XPARAMETER 79 #define UNREFERENCED_PARAMETER(_p) 80 #define UNREFERENCED_1PARAMETER(_p) 81 #define UNREFERENCED_2PARAMETER(_p, _q) 82 #define UNREFERENCED_3PARAMETER(_p, _q, _r) 83 #define UNREFERENCED_4PARAMETER(_p, _q, _r, _s) 84 85 #define STATIC static 86 #define INLINE inline 87 88 #define FALSE 0 89 #define false 0 /* shared code requires this */ 90 #define TRUE 1 91 #define true 1 92 #define CMD_MEM_WRT_INVALIDATE 0x0010 /* BIT_4 */ 93 #define PCI_COMMAND_REGISTER PCIR_COMMAND 94 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) 95 96 #define i40e_memset(a, b, c, d) memset((a), (b), (c)) 97 #define i40e_memcpy(a, b, c, d) memcpy((a), (b), (c)) 98 99 #define CPU_TO_LE16(o) htole16(o) 100 #define CPU_TO_LE32(s) htole32(s) 101 #define CPU_TO_LE64(h) htole64(h) 102 #define LE16_TO_CPU(a) le16toh(a) 103 #define LE32_TO_CPU(c) le32toh(c) 104 #define LE64_TO_CPU(k) le64toh(k) 105 106 #define I40E_NTOHS(a) ntohs(a) 107 #define I40E_NTOHL(a) ntohl(a) 108 #define I40E_HTONS(a) htons(a) 109 #define I40E_HTONL(a) htonl(a) 110 111 #define FIELD_SIZEOF(x, y) (sizeof(((x*)0)->y)) 112 113 #define BIT(a) (1UL << (a)) 114 #define BIT_ULL(a) (1ULL << (a)) 115 116 typedef uint8_t u8; 117 typedef int8_t s8; 118 typedef uint16_t u16; 119 typedef int16_t s16; 120 typedef uint32_t u32; 121 typedef int32_t s32; 122 typedef uint64_t u64; 123 124 /* long string relief */ 125 typedef enum i40e_status_code i40e_status; 126 127 #define __le16 u16 128 #define __le32 u32 129 #define __le64 u64 130 #define __be16 u16 131 #define __be32 u32 132 #define __be64 u64 133 134 /* SW spinlock */ 135 struct i40e_spinlock { 136 struct mtx mutex; 137 }; 138 139 #define le16_to_cpu 140 141 #if defined(__amd64__) || defined(i386) 142 static __inline 143 void prefetch(void *x) 144 { 145 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x)); 146 } 147 #else 148 #define prefetch(x) 149 #endif 150 151 struct i40e_osdep { 152 bus_space_tag_t mem_bus_space_tag; 153 bus_space_handle_t mem_bus_space_handle; 154 bus_size_t mem_bus_space_size; 155 uint32_t flush_reg; 156 struct device *dev; 157 }; 158 159 struct i40e_dma_mem { 160 void *va; 161 u64 pa; 162 bus_dma_tag_t tag; 163 bus_dmamap_t map; 164 bus_dma_segment_t seg; 165 bus_size_t size; 166 int nseg; 167 int flags; 168 }; 169 170 struct i40e_virt_mem { 171 void *va; 172 u32 size; 173 }; 174 175 struct i40e_hw; /* forward decl */ 176 u16 i40e_read_pci_cfg(struct i40e_hw *, u32); 177 void i40e_write_pci_cfg(struct i40e_hw *, u32, u16); 178 179 /* 180 ** i40e_debug - OS dependent version of shared code debug printing 181 */ 182 enum i40e_debug_mask; 183 #define i40e_debug(h, m, s, ...) i40e_debug_d(h, m, s, ##__VA_ARGS__) 184 extern void i40e_debug_d(struct i40e_hw *hw, enum i40e_debug_mask mask, 185 char *fmt_str, ...); 186 187 /* 188 ** This hardware supports either 16 or 32 byte rx descriptors; 189 ** the driver only uses the 32 byte kind. 190 */ 191 #define i40e_rx_desc i40e_32byte_rx_desc 192 193 static __inline uint32_t 194 rd32_osdep(struct i40e_osdep *osdep, uint32_t reg) 195 { 196 197 KASSERT(reg < osdep->mem_bus_space_size, 198 ("ixl: register offset %#jx too large (max is %#jx)", 199 (uintmax_t)reg, (uintmax_t)osdep->mem_bus_space_size)); 200 201 return (bus_space_read_4(osdep->mem_bus_space_tag, 202 osdep->mem_bus_space_handle, reg)); 203 } 204 205 static __inline void 206 wr32_osdep(struct i40e_osdep *osdep, uint32_t reg, uint32_t value) 207 { 208 209 KASSERT(reg < osdep->mem_bus_space_size, 210 ("ixl: register offset %#jx too large (max is %#jx)", 211 (uintmax_t)reg, (uintmax_t)osdep->mem_bus_space_size)); 212 213 bus_space_write_4(osdep->mem_bus_space_tag, 214 osdep->mem_bus_space_handle, reg, value); 215 } 216 217 static __inline void 218 ixl_flush_osdep(struct i40e_osdep *osdep) 219 { 220 rd32_osdep(osdep, osdep->flush_reg); 221 } 222 223 #define rd32(a, reg) rd32_osdep((a)->back, (reg)) 224 #define wr32(a, reg, value) wr32_osdep((a)->back, (reg), (value)) 225 226 #define rd64(a, reg) (\ 227 bus_space_read_8( ((struct i40e_osdep *)(a)->back)->mem_bus_space_tag, \ 228 ((struct i40e_osdep *)(a)->back)->mem_bus_space_handle, \ 229 reg)) 230 231 #define wr64(a, reg, value) (\ 232 bus_space_write_8( ((struct i40e_osdep *)(a)->back)->mem_bus_space_tag, \ 233 ((struct i40e_osdep *)(a)->back)->mem_bus_space_handle, \ 234 reg, value)) 235 236 #define ixl_flush(a) ixl_flush_osdep((a)->back) 237 238 #endif /* _I40E_OSDEP_H_ */ 239