Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/sge/if_sgereg.h
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1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 2008, 2009, 2010 Nikolay Denev <ndenev@gmail.com> 5 * Copyright (c) 2007, 2008 Alexander Pohoyda <alexander.pohoyda@gmx.net> 6 * Copyright (c) 1997, 1998, 1999 7 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by Bill Paul. 20 * 4. Neither the name of the author nor the names of any co-contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 27 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AUTHORS OR 28 * THE VOICES IN THEIR HEADS BE LIABLE FOR ANY DIRECT, INDIRECT, 29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 33 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 35 * OF THE POSSIBILITY OF SUCH DAMAGE. 36 * 37 * $FreeBSD: releng/12.0/sys/dev/sge/if_sgereg.h 325966 2017-11-18 14:26:50Z pfg $ 38 */ 39 40 #ifndef _IF_SGEREG_H 41 #define _IF_SGEREG_H 42 43 /* 44 * SiS PCI vendor ID. 45 */ 46 #define SIS_VENDORID 0x1039 47 48 /* 49 * SiS PCI device IDs 50 */ 51 #define SIS_DEVICEID_190 0x0190 52 #define SIS_DEVICEID_191 0x0191 53 54 #define TX_CTL 0x00 55 #define TX_DESC 0x04 56 #define Reserved0 0x08 57 #define TX_NEXT 0x0c 58 59 #define RX_CTL 0x10 60 #define RX_DESC 0x14 61 #define Reserved1 0x18 62 #define RX_NEXT 0x1c 63 64 #define IntrStatus 0x20 65 #define IntrMask 0x24 66 #define IntrControl 0x28 67 #define IntrTimer 0x2c 68 69 #define PMControl 0x30 70 #define Reserved2 0x34 71 #define ROMControl 0x38 72 #define ROMInterface 0x3c 73 #define StationControl 0x40 74 #define GMIIControl 0x44 75 #define GMacIOCR 0x48 76 #define GMacIOCTL 0x4c 77 #define TxMacControl 0x50 78 #define TxMacTimeLimit 0x54 79 #define RGMIIDelay 0x58 80 #define Reserved3 0x5c 81 #define RxMacControl 0x60 /* 1 WORD */ 82 #define RxMacAddr 0x62 /* 6x BYTE */ 83 #define RxHashTable 0x68 /* 1 LONG */ 84 #define RxHashTable2 0x6c /* 1 LONG */ 85 #define RxWakeOnLan 0x70 86 #define RxWakeOnLanData 0x74 87 #define RxMPSControl 0x78 88 #define Reserved4 0x7c 89 90 /* 91 * IntrStatus Register Content 92 */ 93 #define INTR_SOFT 0x40000000 94 #define INTR_TIMER 0x20000000 95 #define INTR_PAUSE_FRAME 0x00080000 96 #define INTR_MAGIC_FRAME 0x00040000 97 #define INTR_WAKE_FRAME 0x00020000 98 #define INTR_LINK 0x00010000 99 #define INTR_RX_IDLE 0x00000080 100 #define INTR_RX_DONE 0x00000040 101 #define INTR_TXQ1_IDLE 0x00000020 102 #define INTR_TXQ1_DONE 0x00000010 103 #define INTR_TX_IDLE 0x00000008 104 #define INTR_TX_DONE 0x00000004 105 #define INTR_RX_HALT 0x00000002 106 #define INTR_TX_HALT 0x00000001 107 108 #define SGE_INTRS \ 109 (INTR_RX_IDLE | INTR_RX_DONE | INTR_TXQ1_IDLE | \ 110 INTR_TXQ1_DONE |INTR_TX_IDLE | INTR_TX_DONE | \ 111 INTR_TX_HALT | INTR_RX_HALT) 112 113 /* 114 * RxStatusDesc Register Content 115 */ 116 #define RxRES 0x00200000 117 #define RxCRC 0x00080000 118 #define RxRUNT 0x00100000 119 #define RxRWT 0x00400000 120 121 /* 122 * RX_CTL Register Content 123 */ 124 #define RX_CTL_POLL 0x00000010 125 #define RX_CTL_ENB 0x00000001 126 127 /* 128 * TX_CTL Register Content 129 */ 130 #define TX_CTL_POLL 0x00000010 131 #define TX_CTL_ENB 0x00000001 132 133 /* 134 * RxMacControl Register Content 135 */ 136 #define AcceptBroadcast 0x0800 137 #define AcceptMulticast 0x0400 138 #define AcceptMyPhys 0x0200 139 #define AcceptAllPhys 0x0100 140 #define AcceptErr 0x0020 141 #define AcceptRunt 0x0010 142 #define RXMAC_STRIP_VLAN 0x0020 143 #define RXMAC_STRIP_FCS 0x0010 144 #define RXMAC_PAD_ENB 0x0004 145 #define RXMAC_CSUM_ENB 0x0002 146 147 #define SGE_RX_PAD_BYTES 10 148 149 /* Station control register. */ 150 #define SC_LOOPBACK 0x80000000 151 #define SC_RGMII 0x00008000 152 #define SC_FDX 0x00001000 153 #define SC_SPEED_MASK 0x00000c00 154 #define SC_SPEED_10 0x00000400 155 #define SC_SPEED_100 0x00000800 156 #define SC_SPEED_1000 0x00000c00 157 158 /* 159 * Gigabit Media Independent Interface CTL register 160 */ 161 #define GMI_DATA 0xffff0000 162 #define GMI_DATA_SHIFT 16 163 #define GMI_REG 0x0000f800 164 #define GMI_REG_SHIFT 11 165 #define GMI_PHY 0x000007c0 166 #define GMI_PHY_SHIFT 6 167 #define GMI_OP_WR 0x00000020 168 #define GMI_OP_RD 0x00000000 169 #define GMI_REQ 0x00000010 170 #define GMI_MDIO 0x00000008 171 #define GMI_MDDIR 0x00000004 172 #define GMI_MDC 0x00000002 173 #define GMI_MDEN 0x00000001 174 175 /* Tx descriptor command bits. */ 176 #define TDC_OWN 0x80000000 177 #define TDC_INTR 0x40000000 178 #define TDC_THOL3 0x30000000 179 #define TDC_THOL2 0x20000000 180 #define TDC_THOL1 0x10000000 181 #define TDC_THOL0 0x00000000 182 #define TDC_LS 0x08000000 183 #define TDC_IP_CSUM 0x04000000 184 #define TDC_TCP_CSUM 0x02000000 185 #define TDC_UDP_CSUM 0x01000000 186 #define TDC_BST 0x00800000 187 #define TDC_EXT 0x00400000 188 #define TDC_DEF 0x00200000 189 #define TDC_BKF 0x00100000 190 #define TDC_CRS 0x00080000 191 #define TDC_COL 0x00040000 192 #define TDC_CRC 0x00020000 193 #define TDC_PAD 0x00010000 194 #define TDC_VLAN_MASK 0x0000FFFF 195 196 #define SGE_TX_INTR_FRAMES 32 197 198 /* 199 * TX descriptor status bits. 200 */ 201 #define TDS_INS_VLAN 0x80000000 202 #define TDS_OWC 0x00080000 203 #define TDS_ABT 0x00040000 204 #define TDS_FIFO 0x00020000 205 #define TDS_CRS 0x00010000 206 #define TDS_COLLS 0x0000ffff 207 #define SGE_TX_ERROR(x) ((x) & (TDS_OWC | TDS_ABT | TDS_FIFO | TDS_CRS)) 208 #define TX_ERR_BITS "\2" \ 209 "\21CRS\22FIFO\23ABT\24OWC" 210 211 /* Rx descriptor command bits. */ 212 #define RDC_OWN 0x80000000 213 #define RDC_INTR 0x40000000 214 #define RDC_IP_CSUM 0x20000000 215 #define RDC_TCP_CSUM 0x10000000 216 #define RDC_UDP_CSUM 0x08000000 217 #define RDC_IP_CSUM_OK 0x04000000 218 #define RDC_TCP_CSUM_OK 0x02000000 219 #define RDC_UDP_CSUM_OK 0x01000000 220 #define RDC_WAKEUP 0x00400000 221 #define RDC_MAGIC 0x00200000 222 #define RDC_PAUSE 0x00100000 223 #define RDC_BCAST 0x000c0000 224 #define RDC_MCAST 0x00080000 225 #define RDC_UCAST 0x00040000 226 #define RDC_CRCOFF 0x00020000 227 #define RDC_PREADD 0x00010000 228 #define RDC_VLAN_MASK 0x0000FFFF 229 230 /* 231 * RX descriptor status bits 232 */ 233 #define RDS_VLAN 0x80000000 234 #define RDS_DESCS 0x3f000000 235 #define RDS_ABORT 0x00800000 236 #define RDS_SHORT 0x00400000 237 #define RDS_LIMIT 0x00200000 238 #define RDS_MIIER 0x00100000 239 #define RDS_OVRUN 0x00080000 240 #define RDS_NIBON 0x00040000 241 #define RDS_COLON 0x00020000 242 #define RDS_CRCOK 0x00010000 243 #define SGE_RX_ERROR(x) \ 244 ((x) & (RDS_COLON | RDS_NIBON | RDS_OVRUN | RDS_MIIER | \ 245 RDS_LIMIT | RDS_SHORT | RDS_ABORT)) 246 #define SGE_RX_NSEGS(x) (((x) & RDS_DESCS) >> 24) 247 #define RX_ERR_BITS "\2" \ 248 "\21CRCOK\22COLON\23NIBON\24OVRUN" \ 249 "\25MIIER\26LIMIT\27SHORT\30ABORT" \ 250 "\40VLAN" 251 252 #define RING_END 0x80000000 253 #define SGE_RX_BYTES(x) ((x) & 0xFFFF) 254 #define SGE_INC(x, y) (x) = (((x) + 1) % y) 255 256 /* Taken from Solaris driver */ 257 #define EI_DATA 0xffff0000 258 #define EI_DATA_SHIFT 16 259 #define EI_OFFSET 0x0000fc00 260 #define EI_OFFSET_SHIFT 10 261 #define EI_OP 0x00000300 262 #define EI_OP_SHIFT 8 263 #define EI_OP_RD (2 << EI_OP_SHIFT) 264 #define EI_OP_WR (1 << EI_OP_SHIFT) 265 #define EI_REQ 0x00000080 266 #define EI_DO 0x00000008 267 #define EI_DI 0x00000004 268 #define EI_CLK 0x00000002 269 #define EI_CS 0x00000001 270 271 /* 272 * EEPROM Addresses 273 */ 274 #define EEPROMSignature 0x00 275 #define EEPROMCLK 0x01 276 #define EEPROMInfo 0x02 277 #define EEPROMMACAddr 0x03 278 279 struct sge_desc { 280 uint32_t sge_sts_size; 281 uint32_t sge_cmdsts; 282 uint32_t sge_ptr; 283 uint32_t sge_flags; 284 }; 285 286 #define SGE_RX_RING_CNT 256 /* [8, 1024] */ 287 #define SGE_TX_RING_CNT 256 /* [8, 8192] */ 288 #define SGE_DESC_ALIGN 16 289 #define SGE_MAXTXSEGS 35 290 #define SGE_TSO_MAXSIZE (65535 + sizeof(struct ether_vlan_header)) 291 #define SGE_TSO_MAXSEGSIZE 4096 292 #define SGE_RX_BUF_ALIGN sizeof(uint64_t) 293 294 #define SGE_RX_RING_SZ (SGE_RX_RING_CNT * sizeof(struct sge_desc)) 295 #define SGE_TX_RING_SZ (SGE_TX_RING_CNT * sizeof(struct sge_desc)) 296 #define SGE_ADDR_LO(x) ((uint64_t) (x) & 0xFFFFFFFF) 297 298 struct sge_list_data { 299 struct sge_desc *sge_rx_ring; 300 struct sge_desc *sge_tx_ring; 301 /* physical bus addresses of sge_rx_ring/sge_tx_ring */ 302 bus_addr_t sge_rx_paddr; 303 bus_addr_t sge_tx_paddr; 304 }; 305 306 struct sge_txdesc { 307 struct mbuf *tx_m; 308 bus_dmamap_t tx_dmamap; 309 int tx_ndesc; 310 }; 311 312 struct sge_rxdesc { 313 struct mbuf *rx_m; 314 bus_dmamap_t rx_dmamap; 315 }; 316 317 struct sge_chain_data { 318 bus_dma_tag_t sge_tag; 319 bus_dma_tag_t sge_rx_tag; 320 bus_dma_tag_t sge_tx_tag; 321 bus_dmamap_t sge_rx_dmamap; 322 bus_dmamap_t sge_tx_dmamap; 323 bus_dma_tag_t sge_txmbuf_tag; 324 bus_dma_tag_t sge_rxmbuf_tag; 325 struct sge_txdesc sge_txdesc[SGE_TX_RING_CNT]; 326 struct sge_rxdesc sge_rxdesc[SGE_RX_RING_CNT]; 327 bus_dmamap_t sge_rx_spare_map; 328 int sge_rx_cons; 329 int sge_tx_prod; 330 int sge_tx_cons; 331 int sge_tx_cnt; 332 }; 333 334 struct sge_type { 335 uint16_t sge_vid; 336 uint16_t sge_did; 337 char *sge_name; 338 }; 339 340 struct sge_softc { 341 struct ifnet *sge_ifp; /* interface info */ 342 struct resource *sge_res; 343 int sge_res_id; 344 int sge_res_type; 345 struct resource *sge_irq; 346 void *sge_intrhand; 347 device_t sge_dev; 348 device_t sge_miibus; 349 uint8_t sge_rev; 350 struct sge_list_data sge_ldata; 351 struct sge_chain_data sge_cdata; 352 struct callout sge_stat_ch; 353 int sge_timer; 354 int sge_flags; 355 #define SGE_FLAG_FASTETHER 0x0001 356 #define SGE_FLAG_SIS190 0x0002 357 #define SGE_FLAG_RGMII 0x0010 358 #define SGE_FLAG_SPEED_1000 0x2000 359 #define SGE_FLAG_FDX 0x4000 360 #define SGE_FLAG_LINK 0x8000 361 int sge_if_flags; 362 int sge_intrcontrol; 363 int sge_intrtimer; 364 struct mtx sge_mtx; 365 }; 366 367 #define SGE_LOCK(_sc) mtx_lock(&(_sc)->sge_mtx) 368 #define SGE_UNLOCK(_sc) mtx_unlock(&(_sc)->sge_mtx) 369 #define SGE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sge_mtx, MA_OWNED) 370 371 #define SGE_TIMEOUT 1000 372 373 #endif /* _IF_SGEREG_H */
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