1 /* 2 * Copyright (C) 2003 - 2009 NetXen, Inc. 3 * Copyright (C) 2009 - QLogic Corporation. 4 * All rights reserved. 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * as published by the Free Software Foundation; either version 2 9 * of the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, 19 * MA 02111-1307, USA. 20 * 21 * The full GNU General Public License is included in this distribution 22 * in the file called "COPYING". 23 * 24 */ 25 26 #include <linux/slab.h> 27 #include "netxen_nic.h" 28 #include "netxen_nic_hw.h" 29 30 #include <net/ip.h> 31 32 #define MASK(n) ((1ULL<<(n))-1) 33 #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff)) 34 #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff)) 35 #define MS_WIN(addr) (addr & 0x0ffc0000) 36 37 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) 38 39 #define CRB_BLK(off) ((off >> 20) & 0x3f) 40 #define CRB_SUBBLK(off) ((off >> 16) & 0xf) 41 #define CRB_WINDOW_2M (0x130060) 42 #define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000)) 43 #define CRB_INDIRECT_2M (0x1e0000UL) 44 45 static void netxen_nic_io_write_128M(struct netxen_adapter *adapter, 46 void __iomem *addr, u32 data); 47 static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter, 48 void __iomem *addr); 49 #ifndef readq 50 static inline u64 readq(void __iomem *addr) 51 { 52 return readl(addr) | (((u64) readl(addr + 4)) << 32LL); 53 } 54 #endif 55 56 #ifndef writeq 57 static inline void writeq(u64 val, void __iomem *addr) 58 { 59 writel(((u32) (val)), (addr)); 60 writel(((u32) (val >> 32)), (addr + 4)); 61 } 62 #endif 63 64 #define PCI_OFFSET_FIRST_RANGE(adapter, off) \ 65 ((adapter)->ahw.pci_base0 + (off)) 66 #define PCI_OFFSET_SECOND_RANGE(adapter, off) \ 67 ((adapter)->ahw.pci_base1 + (off) - SECOND_PAGE_GROUP_START) 68 #define PCI_OFFSET_THIRD_RANGE(adapter, off) \ 69 ((adapter)->ahw.pci_base2 + (off) - THIRD_PAGE_GROUP_START) 70 71 static void __iomem *pci_base_offset(struct netxen_adapter *adapter, 72 unsigned long off) 73 { 74 if (ADDR_IN_RANGE(off, FIRST_PAGE_GROUP_START, FIRST_PAGE_GROUP_END)) 75 return PCI_OFFSET_FIRST_RANGE(adapter, off); 76 77 if (ADDR_IN_RANGE(off, SECOND_PAGE_GROUP_START, SECOND_PAGE_GROUP_END)) 78 return PCI_OFFSET_SECOND_RANGE(adapter, off); 79 80 if (ADDR_IN_RANGE(off, THIRD_PAGE_GROUP_START, THIRD_PAGE_GROUP_END)) 81 return PCI_OFFSET_THIRD_RANGE(adapter, off); 82 83 return NULL; 84 } 85 86 static crb_128M_2M_block_map_t 87 crb_128M_2M_map[64] __cacheline_aligned_in_smp = { 88 {{{0, 0, 0, 0} } }, /* 0: PCI */ 89 {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */ 90 {1, 0x0110000, 0x0120000, 0x130000}, 91 {1, 0x0120000, 0x0122000, 0x124000}, 92 {1, 0x0130000, 0x0132000, 0x126000}, 93 {1, 0x0140000, 0x0142000, 0x128000}, 94 {1, 0x0150000, 0x0152000, 0x12a000}, 95 {1, 0x0160000, 0x0170000, 0x110000}, 96 {1, 0x0170000, 0x0172000, 0x12e000}, 97 {0, 0x0000000, 0x0000000, 0x000000}, 98 {0, 0x0000000, 0x0000000, 0x000000}, 99 {0, 0x0000000, 0x0000000, 0x000000}, 100 {0, 0x0000000, 0x0000000, 0x000000}, 101 {0, 0x0000000, 0x0000000, 0x000000}, 102 {0, 0x0000000, 0x0000000, 0x000000}, 103 {1, 0x01e0000, 0x01e0800, 0x122000}, 104 {0, 0x0000000, 0x0000000, 0x000000} } }, 105 {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */ 106 {{{0, 0, 0, 0} } }, /* 3: */ 107 {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */ 108 {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */ 109 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */ 110 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */ 111 {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */ 112 {0, 0x0000000, 0x0000000, 0x000000}, 113 {0, 0x0000000, 0x0000000, 0x000000}, 114 {0, 0x0000000, 0x0000000, 0x000000}, 115 {0, 0x0000000, 0x0000000, 0x000000}, 116 {0, 0x0000000, 0x0000000, 0x000000}, 117 {0, 0x0000000, 0x0000000, 0x000000}, 118 {0, 0x0000000, 0x0000000, 0x000000}, 119 {0, 0x0000000, 0x0000000, 0x000000}, 120 {0, 0x0000000, 0x0000000, 0x000000}, 121 {0, 0x0000000, 0x0000000, 0x000000}, 122 {0, 0x0000000, 0x0000000, 0x000000}, 123 {0, 0x0000000, 0x0000000, 0x000000}, 124 {0, 0x0000000, 0x0000000, 0x000000}, 125 {0, 0x0000000, 0x0000000, 0x000000}, 126 {1, 0x08f0000, 0x08f2000, 0x172000} } }, 127 {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/ 128 {0, 0x0000000, 0x0000000, 0x000000}, 129 {0, 0x0000000, 0x0000000, 0x000000}, 130 {0, 0x0000000, 0x0000000, 0x000000}, 131 {0, 0x0000000, 0x0000000, 0x000000}, 132 {0, 0x0000000, 0x0000000, 0x000000}, 133 {0, 0x0000000, 0x0000000, 0x000000}, 134 {0, 0x0000000, 0x0000000, 0x000000}, 135 {0, 0x0000000, 0x0000000, 0x000000}, 136 {0, 0x0000000, 0x0000000, 0x000000}, 137 {0, 0x0000000, 0x0000000, 0x000000}, 138 {0, 0x0000000, 0x0000000, 0x000000}, 139 {0, 0x0000000, 0x0000000, 0x000000}, 140 {0, 0x0000000, 0x0000000, 0x000000}, 141 {0, 0x0000000, 0x0000000, 0x000000}, 142 {1, 0x09f0000, 0x09f2000, 0x176000} } }, 143 {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/ 144 {0, 0x0000000, 0x0000000, 0x000000}, 145 {0, 0x0000000, 0x0000000, 0x000000}, 146 {0, 0x0000000, 0x0000000, 0x000000}, 147 {0, 0x0000000, 0x0000000, 0x000000}, 148 {0, 0x0000000, 0x0000000, 0x000000}, 149 {0, 0x0000000, 0x0000000, 0x000000}, 150 {0, 0x0000000, 0x0000000, 0x000000}, 151 {0, 0x0000000, 0x0000000, 0x000000}, 152 {0, 0x0000000, 0x0000000, 0x000000}, 153 {0, 0x0000000, 0x0000000, 0x000000}, 154 {0, 0x0000000, 0x0000000, 0x000000}, 155 {0, 0x0000000, 0x0000000, 0x000000}, 156 {0, 0x0000000, 0x0000000, 0x000000}, 157 {0, 0x0000000, 0x0000000, 0x000000}, 158 {1, 0x0af0000, 0x0af2000, 0x17a000} } }, 159 {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/ 160 {0, 0x0000000, 0x0000000, 0x000000}, 161 {0, 0x0000000, 0x0000000, 0x000000}, 162 {0, 0x0000000, 0x0000000, 0x000000}, 163 {0, 0x0000000, 0x0000000, 0x000000}, 164 {0, 0x0000000, 0x0000000, 0x000000}, 165 {0, 0x0000000, 0x0000000, 0x000000}, 166 {0, 0x0000000, 0x0000000, 0x000000}, 167 {0, 0x0000000, 0x0000000, 0x000000}, 168 {0, 0x0000000, 0x0000000, 0x000000}, 169 {0, 0x0000000, 0x0000000, 0x000000}, 170 {0, 0x0000000, 0x0000000, 0x000000}, 171 {0, 0x0000000, 0x0000000, 0x000000}, 172 {0, 0x0000000, 0x0000000, 0x000000}, 173 {0, 0x0000000, 0x0000000, 0x000000}, 174 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, 175 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */ 176 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */ 177 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */ 178 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */ 179 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */ 180 {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */ 181 {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */ 182 {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */ 183 {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */ 184 {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */ 185 {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */ 186 {{{0, 0, 0, 0} } }, /* 23: */ 187 {{{0, 0, 0, 0} } }, /* 24: */ 188 {{{0, 0, 0, 0} } }, /* 25: */ 189 {{{0, 0, 0, 0} } }, /* 26: */ 190 {{{0, 0, 0, 0} } }, /* 27: */ 191 {{{0, 0, 0, 0} } }, /* 28: */ 192 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */ 193 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */ 194 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */ 195 {{{0} } }, /* 32: PCI */ 196 {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */ 197 {1, 0x2110000, 0x2120000, 0x130000}, 198 {1, 0x2120000, 0x2122000, 0x124000}, 199 {1, 0x2130000, 0x2132000, 0x126000}, 200 {1, 0x2140000, 0x2142000, 0x128000}, 201 {1, 0x2150000, 0x2152000, 0x12a000}, 202 {1, 0x2160000, 0x2170000, 0x110000}, 203 {1, 0x2170000, 0x2172000, 0x12e000}, 204 {0, 0x0000000, 0x0000000, 0x000000}, 205 {0, 0x0000000, 0x0000000, 0x000000}, 206 {0, 0x0000000, 0x0000000, 0x000000}, 207 {0, 0x0000000, 0x0000000, 0x000000}, 208 {0, 0x0000000, 0x0000000, 0x000000}, 209 {0, 0x0000000, 0x0000000, 0x000000}, 210 {0, 0x0000000, 0x0000000, 0x000000}, 211 {0, 0x0000000, 0x0000000, 0x000000} } }, 212 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */ 213 {{{0} } }, /* 35: */ 214 {{{0} } }, /* 36: */ 215 {{{0} } }, /* 37: */ 216 {{{0} } }, /* 38: */ 217 {{{0} } }, /* 39: */ 218 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */ 219 {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */ 220 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */ 221 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */ 222 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */ 223 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */ 224 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */ 225 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */ 226 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */ 227 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */ 228 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */ 229 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */ 230 {{{0} } }, /* 52: */ 231 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */ 232 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */ 233 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */ 234 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */ 235 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */ 236 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */ 237 {{{0} } }, /* 59: I2C0 */ 238 {{{0} } }, /* 60: I2C1 */ 239 {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */ 240 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */ 241 {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */ 242 }; 243 244 /* 245 * top 12 bits of crb internal address (hub, agent) 246 */ 247 static unsigned crb_hub_agt[64] = 248 { 249 0, 250 NETXEN_HW_CRB_HUB_AGT_ADR_PS, 251 NETXEN_HW_CRB_HUB_AGT_ADR_MN, 252 NETXEN_HW_CRB_HUB_AGT_ADR_MS, 253 0, 254 NETXEN_HW_CRB_HUB_AGT_ADR_SRE, 255 NETXEN_HW_CRB_HUB_AGT_ADR_NIU, 256 NETXEN_HW_CRB_HUB_AGT_ADR_QMN, 257 NETXEN_HW_CRB_HUB_AGT_ADR_SQN0, 258 NETXEN_HW_CRB_HUB_AGT_ADR_SQN1, 259 NETXEN_HW_CRB_HUB_AGT_ADR_SQN2, 260 NETXEN_HW_CRB_HUB_AGT_ADR_SQN3, 261 NETXEN_HW_CRB_HUB_AGT_ADR_I2Q, 262 NETXEN_HW_CRB_HUB_AGT_ADR_TIMR, 263 NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB, 264 NETXEN_HW_CRB_HUB_AGT_ADR_PGN4, 265 NETXEN_HW_CRB_HUB_AGT_ADR_XDMA, 266 NETXEN_HW_CRB_HUB_AGT_ADR_PGN0, 267 NETXEN_HW_CRB_HUB_AGT_ADR_PGN1, 268 NETXEN_HW_CRB_HUB_AGT_ADR_PGN2, 269 NETXEN_HW_CRB_HUB_AGT_ADR_PGN3, 270 NETXEN_HW_CRB_HUB_AGT_ADR_PGND, 271 NETXEN_HW_CRB_HUB_AGT_ADR_PGNI, 272 NETXEN_HW_CRB_HUB_AGT_ADR_PGS0, 273 NETXEN_HW_CRB_HUB_AGT_ADR_PGS1, 274 NETXEN_HW_CRB_HUB_AGT_ADR_PGS2, 275 NETXEN_HW_CRB_HUB_AGT_ADR_PGS3, 276 0, 277 NETXEN_HW_CRB_HUB_AGT_ADR_PGSI, 278 NETXEN_HW_CRB_HUB_AGT_ADR_SN, 279 0, 280 NETXEN_HW_CRB_HUB_AGT_ADR_EG, 281 0, 282 NETXEN_HW_CRB_HUB_AGT_ADR_PS, 283 NETXEN_HW_CRB_HUB_AGT_ADR_CAM, 284 0, 285 0, 286 0, 287 0, 288 0, 289 NETXEN_HW_CRB_HUB_AGT_ADR_TIMR, 290 0, 291 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX1, 292 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX2, 293 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX3, 294 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX4, 295 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX5, 296 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX6, 297 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX7, 298 NETXEN_HW_CRB_HUB_AGT_ADR_XDMA, 299 NETXEN_HW_CRB_HUB_AGT_ADR_I2Q, 300 NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB, 301 0, 302 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX0, 303 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX8, 304 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX9, 305 NETXEN_HW_CRB_HUB_AGT_ADR_OCM0, 306 0, 307 NETXEN_HW_CRB_HUB_AGT_ADR_SMB, 308 NETXEN_HW_CRB_HUB_AGT_ADR_I2C0, 309 NETXEN_HW_CRB_HUB_AGT_ADR_I2C1, 310 0, 311 NETXEN_HW_CRB_HUB_AGT_ADR_PGNC, 312 0, 313 }; 314 315 /* PCI Windowing for DDR regions. */ 316 317 #define NETXEN_WINDOW_ONE 0x2000000 /*CRB Window: bit 25 of CRB address */ 318 319 #define NETXEN_PCIE_SEM_TIMEOUT 10000 320 321 static int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu); 322 323 int 324 netxen_pcie_sem_lock(struct netxen_adapter *adapter, int sem, u32 id_reg) 325 { 326 int done = 0, timeout = 0; 327 328 while (!done) { 329 done = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_LOCK(sem))); 330 if (done == 1) 331 break; 332 if (++timeout >= NETXEN_PCIE_SEM_TIMEOUT) 333 return -EIO; 334 msleep(1); 335 } 336 337 if (id_reg) 338 NXWR32(adapter, id_reg, adapter->portnum); 339 340 return 0; 341 } 342 343 void 344 netxen_pcie_sem_unlock(struct netxen_adapter *adapter, int sem) 345 { 346 NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_UNLOCK(sem))); 347 } 348 349 static int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port) 350 { 351 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { 352 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_1+(0x10000*port), 0x1447); 353 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0+(0x10000*port), 0x5); 354 } 355 356 return 0; 357 } 358 359 /* Disable an XG interface */ 360 static int netxen_niu_disable_xg_port(struct netxen_adapter *adapter) 361 { 362 __u32 mac_cfg; 363 u32 port = adapter->physical_port; 364 365 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) 366 return 0; 367 368 if (port >= NETXEN_NIU_MAX_XG_PORTS) 369 return -EINVAL; 370 371 mac_cfg = 0; 372 if (NXWR32(adapter, 373 NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg)) 374 return -EIO; 375 return 0; 376 } 377 378 #define NETXEN_UNICAST_ADDR(port, index) \ 379 (NETXEN_UNICAST_ADDR_BASE+(port*32)+(index*8)) 380 #define NETXEN_MCAST_ADDR(port, index) \ 381 (NETXEN_MULTICAST_ADDR_BASE+(port*0x80)+(index*8)) 382 #define MAC_HI(addr) \ 383 ((addr[2] << 16) | (addr[1] << 8) | (addr[0])) 384 #define MAC_LO(addr) \ 385 ((addr[5] << 16) | (addr[4] << 8) | (addr[3])) 386 387 static int netxen_p2_nic_set_promisc(struct netxen_adapter *adapter, u32 mode) 388 { 389 u32 mac_cfg; 390 u32 cnt = 0; 391 __u32 reg = 0x0200; 392 u32 port = adapter->physical_port; 393 u16 board_type = adapter->ahw.board_type; 394 395 if (port >= NETXEN_NIU_MAX_XG_PORTS) 396 return -EINVAL; 397 398 mac_cfg = NXRD32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port)); 399 mac_cfg &= ~0x4; 400 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg); 401 402 if ((board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) || 403 (board_type == NETXEN_BRDTYPE_P2_SB31_10G_HMEZ)) 404 reg = (0x20 << port); 405 406 NXWR32(adapter, NETXEN_NIU_FRAME_COUNT_SELECT, reg); 407 408 mdelay(10); 409 410 while (NXRD32(adapter, NETXEN_NIU_FRAME_COUNT) && ++cnt < 20) 411 mdelay(10); 412 413 if (cnt < 20) { 414 415 reg = NXRD32(adapter, 416 NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port)); 417 418 if (mode == NETXEN_NIU_PROMISC_MODE) 419 reg = (reg | 0x2000UL); 420 else 421 reg = (reg & ~0x2000UL); 422 423 if (mode == NETXEN_NIU_ALLMULTI_MODE) 424 reg = (reg | 0x1000UL); 425 else 426 reg = (reg & ~0x1000UL); 427 428 NXWR32(adapter, 429 NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), reg); 430 } 431 432 mac_cfg |= 0x4; 433 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg); 434 435 return 0; 436 } 437 438 static int netxen_p2_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr) 439 { 440 u32 mac_hi, mac_lo; 441 u32 reg_hi, reg_lo; 442 443 u8 phy = adapter->physical_port; 444 445 if (phy >= NETXEN_NIU_MAX_XG_PORTS) 446 return -EINVAL; 447 448 mac_lo = ((u32)addr[0] << 16) | ((u32)addr[1] << 24); 449 mac_hi = addr[2] | ((u32)addr[3] << 8) | 450 ((u32)addr[4] << 16) | ((u32)addr[5] << 24); 451 452 reg_lo = NETXEN_NIU_XGE_STATION_ADDR_0_1 + (0x10000 * phy); 453 reg_hi = NETXEN_NIU_XGE_STATION_ADDR_0_HI + (0x10000 * phy); 454 455 /* write twice to flush */ 456 if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi)) 457 return -EIO; 458 if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi)) 459 return -EIO; 460 461 return 0; 462 } 463 464 static int 465 netxen_nic_enable_mcast_filter(struct netxen_adapter *adapter) 466 { 467 u32 val = 0; 468 u16 port = adapter->physical_port; 469 u8 *addr = adapter->mac_addr; 470 471 if (adapter->mc_enabled) 472 return 0; 473 474 val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG); 475 val |= (1UL << (28+port)); 476 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val); 477 478 /* add broadcast addr to filter */ 479 val = 0xffffff; 480 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val); 481 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val); 482 483 /* add station addr to filter */ 484 val = MAC_HI(addr); 485 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), val); 486 val = MAC_LO(addr); 487 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, val); 488 489 adapter->mc_enabled = 1; 490 return 0; 491 } 492 493 static int 494 netxen_nic_disable_mcast_filter(struct netxen_adapter *adapter) 495 { 496 u32 val = 0; 497 u16 port = adapter->physical_port; 498 u8 *addr = adapter->mac_addr; 499 500 if (!adapter->mc_enabled) 501 return 0; 502 503 val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG); 504 val &= ~(1UL << (28+port)); 505 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val); 506 507 val = MAC_HI(addr); 508 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val); 509 val = MAC_LO(addr); 510 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val); 511 512 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), 0); 513 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, 0); 514 515 adapter->mc_enabled = 0; 516 return 0; 517 } 518 519 static int 520 netxen_nic_set_mcast_addr(struct netxen_adapter *adapter, 521 int index, u8 *addr) 522 { 523 u32 hi = 0, lo = 0; 524 u16 port = adapter->physical_port; 525 526 lo = MAC_LO(addr); 527 hi = MAC_HI(addr); 528 529 NXWR32(adapter, NETXEN_MCAST_ADDR(port, index), hi); 530 NXWR32(adapter, NETXEN_MCAST_ADDR(port, index)+4, lo); 531 532 return 0; 533 } 534 535 static void netxen_p2_nic_set_multi(struct net_device *netdev) 536 { 537 struct netxen_adapter *adapter = netdev_priv(netdev); 538 struct netdev_hw_addr *ha; 539 u8 null_addr[6]; 540 int i; 541 542 memset(null_addr, 0, 6); 543 544 if (netdev->flags & IFF_PROMISC) { 545 546 adapter->set_promisc(adapter, 547 NETXEN_NIU_PROMISC_MODE); 548 549 /* Full promiscuous mode */ 550 netxen_nic_disable_mcast_filter(adapter); 551 552 return; 553 } 554 555 if (netdev_mc_empty(netdev)) { 556 adapter->set_promisc(adapter, 557 NETXEN_NIU_NON_PROMISC_MODE); 558 netxen_nic_disable_mcast_filter(adapter); 559 return; 560 } 561 562 adapter->set_promisc(adapter, NETXEN_NIU_ALLMULTI_MODE); 563 if (netdev->flags & IFF_ALLMULTI || 564 netdev_mc_count(netdev) > adapter->max_mc_count) { 565 netxen_nic_disable_mcast_filter(adapter); 566 return; 567 } 568 569 netxen_nic_enable_mcast_filter(adapter); 570 571 i = 0; 572 netdev_for_each_mc_addr(ha, netdev) 573 netxen_nic_set_mcast_addr(adapter, i++, ha->addr); 574 575 /* Clear out remaining addresses */ 576 while (i < adapter->max_mc_count) 577 netxen_nic_set_mcast_addr(adapter, i++, null_addr); 578 } 579 580 static int 581 netxen_send_cmd_descs(struct netxen_adapter *adapter, 582 struct cmd_desc_type0 *cmd_desc_arr, int nr_desc) 583 { 584 u32 i, producer, consumer; 585 struct netxen_cmd_buffer *pbuf; 586 struct cmd_desc_type0 *cmd_desc; 587 struct nx_host_tx_ring *tx_ring; 588 589 i = 0; 590 591 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) 592 return -EIO; 593 594 tx_ring = adapter->tx_ring; 595 __netif_tx_lock_bh(tx_ring->txq); 596 597 producer = tx_ring->producer; 598 consumer = tx_ring->sw_consumer; 599 600 if (nr_desc >= netxen_tx_avail(tx_ring)) { 601 netif_tx_stop_queue(tx_ring->txq); 602 smp_mb(); 603 if (netxen_tx_avail(tx_ring) > nr_desc) { 604 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH) 605 netif_tx_wake_queue(tx_ring->txq); 606 } else { 607 __netif_tx_unlock_bh(tx_ring->txq); 608 return -EBUSY; 609 } 610 } 611 612 do { 613 cmd_desc = &cmd_desc_arr[i]; 614 615 pbuf = &tx_ring->cmd_buf_arr[producer]; 616 pbuf->skb = NULL; 617 pbuf->frag_count = 0; 618 619 memcpy(&tx_ring->desc_head[producer], 620 &cmd_desc_arr[i], sizeof(struct cmd_desc_type0)); 621 622 producer = get_next_index(producer, tx_ring->num_desc); 623 i++; 624 625 } while (i != nr_desc); 626 627 tx_ring->producer = producer; 628 629 netxen_nic_update_cmd_producer(adapter, tx_ring); 630 631 __netif_tx_unlock_bh(tx_ring->txq); 632 633 return 0; 634 } 635 636 static int 637 nx_p3_sre_macaddr_change(struct netxen_adapter *adapter, u8 *addr, unsigned op) 638 { 639 nx_nic_req_t req; 640 nx_mac_req_t *mac_req; 641 u64 word; 642 643 memset(&req, 0, sizeof(nx_nic_req_t)); 644 req.qhdr = cpu_to_le64(NX_NIC_REQUEST << 23); 645 646 word = NX_MAC_EVENT | ((u64)adapter->portnum << 16); 647 req.req_hdr = cpu_to_le64(word); 648 649 mac_req = (nx_mac_req_t *)&req.words[0]; 650 mac_req->op = op; 651 memcpy(mac_req->mac_addr, addr, 6); 652 653 return netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 654 } 655 656 static int nx_p3_nic_add_mac(struct netxen_adapter *adapter, 657 const u8 *addr, struct list_head *del_list) 658 { 659 struct list_head *head; 660 nx_mac_list_t *cur; 661 662 /* look up if already exists */ 663 list_for_each(head, del_list) { 664 cur = list_entry(head, nx_mac_list_t, list); 665 666 if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) { 667 list_move_tail(head, &adapter->mac_list); 668 return 0; 669 } 670 } 671 672 cur = kzalloc(sizeof(nx_mac_list_t), GFP_ATOMIC); 673 if (cur == NULL) { 674 printk(KERN_ERR "%s: failed to add mac address filter\n", 675 adapter->netdev->name); 676 return -ENOMEM; 677 } 678 memcpy(cur->mac_addr, addr, ETH_ALEN); 679 list_add_tail(&cur->list, &adapter->mac_list); 680 return nx_p3_sre_macaddr_change(adapter, 681 cur->mac_addr, NETXEN_MAC_ADD); 682 } 683 684 static void netxen_p3_nic_set_multi(struct net_device *netdev) 685 { 686 struct netxen_adapter *adapter = netdev_priv(netdev); 687 struct netdev_hw_addr *ha; 688 static const u8 bcast_addr[ETH_ALEN] = { 689 0xff, 0xff, 0xff, 0xff, 0xff, 0xff 690 }; 691 u32 mode = VPORT_MISS_MODE_DROP; 692 LIST_HEAD(del_list); 693 struct list_head *head; 694 nx_mac_list_t *cur; 695 696 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) 697 return; 698 699 list_splice_tail_init(&adapter->mac_list, &del_list); 700 701 nx_p3_nic_add_mac(adapter, adapter->mac_addr, &del_list); 702 nx_p3_nic_add_mac(adapter, bcast_addr, &del_list); 703 704 if (netdev->flags & IFF_PROMISC) { 705 mode = VPORT_MISS_MODE_ACCEPT_ALL; 706 goto send_fw_cmd; 707 } 708 709 if ((netdev->flags & IFF_ALLMULTI) || 710 (netdev_mc_count(netdev) > adapter->max_mc_count)) { 711 mode = VPORT_MISS_MODE_ACCEPT_MULTI; 712 goto send_fw_cmd; 713 } 714 715 if (!netdev_mc_empty(netdev)) { 716 netdev_for_each_mc_addr(ha, netdev) 717 nx_p3_nic_add_mac(adapter, ha->addr, &del_list); 718 } 719 720 send_fw_cmd: 721 adapter->set_promisc(adapter, mode); 722 head = &del_list; 723 while (!list_empty(head)) { 724 cur = list_entry(head->next, nx_mac_list_t, list); 725 726 nx_p3_sre_macaddr_change(adapter, 727 cur->mac_addr, NETXEN_MAC_DEL); 728 list_del(&cur->list); 729 kfree(cur); 730 } 731 } 732 733 static int netxen_p3_nic_set_promisc(struct netxen_adapter *adapter, u32 mode) 734 { 735 nx_nic_req_t req; 736 u64 word; 737 738 memset(&req, 0, sizeof(nx_nic_req_t)); 739 740 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 741 742 word = NX_NIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE | 743 ((u64)adapter->portnum << 16); 744 req.req_hdr = cpu_to_le64(word); 745 746 req.words[0] = cpu_to_le64(mode); 747 748 return netxen_send_cmd_descs(adapter, 749 (struct cmd_desc_type0 *)&req, 1); 750 } 751 752 void netxen_p3_free_mac_list(struct netxen_adapter *adapter) 753 { 754 nx_mac_list_t *cur; 755 struct list_head *head = &adapter->mac_list; 756 757 while (!list_empty(head)) { 758 cur = list_entry(head->next, nx_mac_list_t, list); 759 nx_p3_sre_macaddr_change(adapter, 760 cur->mac_addr, NETXEN_MAC_DEL); 761 list_del(&cur->list); 762 kfree(cur); 763 } 764 } 765 766 static int netxen_p3_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr) 767 { 768 /* assuming caller has already copied new addr to netdev */ 769 netxen_p3_nic_set_multi(adapter->netdev); 770 return 0; 771 } 772 773 #define NETXEN_CONFIG_INTR_COALESCE 3 774 775 /* 776 * Send the interrupt coalescing parameter set by ethtool to the card. 777 */ 778 int netxen_config_intr_coalesce(struct netxen_adapter *adapter) 779 { 780 nx_nic_req_t req; 781 u64 word[6]; 782 int rv, i; 783 784 memset(&req, 0, sizeof(nx_nic_req_t)); 785 memset(word, 0, sizeof(word)); 786 787 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 788 789 word[0] = NETXEN_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16); 790 req.req_hdr = cpu_to_le64(word[0]); 791 792 memcpy(&word[0], &adapter->coal, sizeof(adapter->coal)); 793 for (i = 0; i < 6; i++) 794 req.words[i] = cpu_to_le64(word[i]); 795 796 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 797 if (rv != 0) { 798 printk(KERN_ERR "ERROR. Could not send " 799 "interrupt coalescing parameters\n"); 800 } 801 802 return rv; 803 } 804 805 int netxen_config_hw_lro(struct netxen_adapter *adapter, int enable) 806 { 807 nx_nic_req_t req; 808 u64 word; 809 int rv = 0; 810 811 if (!test_bit(__NX_FW_ATTACHED, &adapter->state)) 812 return 0; 813 814 memset(&req, 0, sizeof(nx_nic_req_t)); 815 816 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 817 818 word = NX_NIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16); 819 req.req_hdr = cpu_to_le64(word); 820 821 req.words[0] = cpu_to_le64(enable); 822 823 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 824 if (rv != 0) { 825 printk(KERN_ERR "ERROR. Could not send " 826 "configure hw lro request\n"); 827 } 828 829 return rv; 830 } 831 832 int netxen_config_bridged_mode(struct netxen_adapter *adapter, int enable) 833 { 834 nx_nic_req_t req; 835 u64 word; 836 int rv = 0; 837 838 if (!!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED) == enable) 839 return rv; 840 841 memset(&req, 0, sizeof(nx_nic_req_t)); 842 843 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 844 845 word = NX_NIC_H2C_OPCODE_CONFIG_BRIDGING | 846 ((u64)adapter->portnum << 16); 847 req.req_hdr = cpu_to_le64(word); 848 849 req.words[0] = cpu_to_le64(enable); 850 851 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 852 if (rv != 0) { 853 printk(KERN_ERR "ERROR. Could not send " 854 "configure bridge mode request\n"); 855 } 856 857 adapter->flags ^= NETXEN_NIC_BRIDGE_ENABLED; 858 859 return rv; 860 } 861 862 863 #define RSS_HASHTYPE_IP_TCP 0x3 864 865 int netxen_config_rss(struct netxen_adapter *adapter, int enable) 866 { 867 nx_nic_req_t req; 868 u64 word; 869 int i, rv; 870 871 static const u64 key[] = { 872 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL, 873 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL, 874 0x255b0ec26d5a56daULL 875 }; 876 877 878 memset(&req, 0, sizeof(nx_nic_req_t)); 879 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 880 881 word = NX_NIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16); 882 req.req_hdr = cpu_to_le64(word); 883 884 /* 885 * RSS request: 886 * bits 3-0: hash_method 887 * 5-4: hash_type_ipv4 888 * 7-6: hash_type_ipv6 889 * 8: enable 890 * 9: use indirection table 891 * 47-10: reserved 892 * 63-48: indirection table mask 893 */ 894 word = ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) | 895 ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) | 896 ((u64)(enable & 0x1) << 8) | 897 ((0x7ULL) << 48); 898 req.words[0] = cpu_to_le64(word); 899 for (i = 0; i < ARRAY_SIZE(key); i++) 900 req.words[i+1] = cpu_to_le64(key[i]); 901 902 903 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 904 if (rv != 0) { 905 printk(KERN_ERR "%s: could not configure RSS\n", 906 adapter->netdev->name); 907 } 908 909 return rv; 910 } 911 912 int netxen_config_ipaddr(struct netxen_adapter *adapter, __be32 ip, int cmd) 913 { 914 nx_nic_req_t req; 915 u64 word; 916 int rv; 917 918 memset(&req, 0, sizeof(nx_nic_req_t)); 919 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 920 921 word = NX_NIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16); 922 req.req_hdr = cpu_to_le64(word); 923 924 req.words[0] = cpu_to_le64(cmd); 925 memcpy(&req.words[1], &ip, sizeof(u32)); 926 927 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 928 if (rv != 0) { 929 printk(KERN_ERR "%s: could not notify %s IP 0x%x reuqest\n", 930 adapter->netdev->name, 931 (cmd == NX_IP_UP) ? "Add" : "Remove", ip); 932 } 933 return rv; 934 } 935 936 int netxen_linkevent_request(struct netxen_adapter *adapter, int enable) 937 { 938 nx_nic_req_t req; 939 u64 word; 940 int rv; 941 942 memset(&req, 0, sizeof(nx_nic_req_t)); 943 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 944 945 word = NX_NIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16); 946 req.req_hdr = cpu_to_le64(word); 947 req.words[0] = cpu_to_le64(enable | (enable << 8)); 948 949 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 950 if (rv != 0) { 951 printk(KERN_ERR "%s: could not configure link notification\n", 952 adapter->netdev->name); 953 } 954 955 return rv; 956 } 957 958 int netxen_send_lro_cleanup(struct netxen_adapter *adapter) 959 { 960 nx_nic_req_t req; 961 u64 word; 962 int rv; 963 964 if (!test_bit(__NX_FW_ATTACHED, &adapter->state)) 965 return 0; 966 967 memset(&req, 0, sizeof(nx_nic_req_t)); 968 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 969 970 word = NX_NIC_H2C_OPCODE_LRO_REQUEST | 971 ((u64)adapter->portnum << 16) | 972 ((u64)NX_NIC_LRO_REQUEST_CLEANUP << 56) ; 973 974 req.req_hdr = cpu_to_le64(word); 975 976 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 977 if (rv != 0) { 978 printk(KERN_ERR "%s: could not cleanup lro flows\n", 979 adapter->netdev->name); 980 } 981 return rv; 982 } 983 984 /* 985 * netxen_nic_change_mtu - Change the Maximum Transfer Unit 986 * @returns 0 on success, negative on failure 987 */ 988 989 #define MTU_FUDGE_FACTOR 100 990 991 int netxen_nic_change_mtu(struct net_device *netdev, int mtu) 992 { 993 struct netxen_adapter *adapter = netdev_priv(netdev); 994 int max_mtu; 995 int rc = 0; 996 997 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) 998 max_mtu = P3_MAX_MTU; 999 else 1000 max_mtu = P2_MAX_MTU; 1001 1002 if (mtu > max_mtu) { 1003 printk(KERN_ERR "%s: mtu > %d bytes unsupported\n", 1004 netdev->name, max_mtu); 1005 return -EINVAL; 1006 } 1007 1008 if (adapter->set_mtu) 1009 rc = adapter->set_mtu(adapter, mtu); 1010 1011 if (!rc) 1012 netdev->mtu = mtu; 1013 1014 return rc; 1015 } 1016 1017 static int netxen_get_flash_block(struct netxen_adapter *adapter, int base, 1018 int size, __le32 * buf) 1019 { 1020 int i, v, addr; 1021 __le32 *ptr32; 1022 1023 addr = base; 1024 ptr32 = buf; 1025 for (i = 0; i < size / sizeof(u32); i++) { 1026 if (netxen_rom_fast_read(adapter, addr, &v) == -1) 1027 return -1; 1028 *ptr32 = cpu_to_le32(v); 1029 ptr32++; 1030 addr += sizeof(u32); 1031 } 1032 if ((char *)buf + size > (char *)ptr32) { 1033 __le32 local; 1034 if (netxen_rom_fast_read(adapter, addr, &v) == -1) 1035 return -1; 1036 local = cpu_to_le32(v); 1037 memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32); 1038 } 1039 1040 return 0; 1041 } 1042 1043 int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 *mac) 1044 { 1045 __le32 *pmac = (__le32 *) mac; 1046 u32 offset; 1047 1048 offset = NX_FW_MAC_ADDR_OFFSET + (adapter->portnum * sizeof(u64)); 1049 1050 if (netxen_get_flash_block(adapter, offset, sizeof(u64), pmac) == -1) 1051 return -1; 1052 1053 if (*mac == ~0ULL) { 1054 1055 offset = NX_OLD_MAC_ADDR_OFFSET + 1056 (adapter->portnum * sizeof(u64)); 1057 1058 if (netxen_get_flash_block(adapter, 1059 offset, sizeof(u64), pmac) == -1) 1060 return -1; 1061 1062 if (*mac == ~0ULL) 1063 return -1; 1064 } 1065 return 0; 1066 } 1067 1068 int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, u64 *mac) 1069 { 1070 uint32_t crbaddr, mac_hi, mac_lo; 1071 int pci_func = adapter->ahw.pci_func; 1072 1073 crbaddr = CRB_MAC_BLOCK_START + 1074 (4 * ((pci_func/2) * 3)) + (4 * (pci_func & 1)); 1075 1076 mac_lo = NXRD32(adapter, crbaddr); 1077 mac_hi = NXRD32(adapter, crbaddr+4); 1078 1079 if (pci_func & 1) 1080 *mac = le64_to_cpu((mac_lo >> 16) | ((u64)mac_hi << 16)); 1081 else 1082 *mac = le64_to_cpu((u64)mac_lo | ((u64)mac_hi << 32)); 1083 1084 return 0; 1085 } 1086 1087 /* 1088 * Changes the CRB window to the specified window. 1089 */ 1090 static void 1091 netxen_nic_pci_set_crbwindow_128M(struct netxen_adapter *adapter, 1092 u32 window) 1093 { 1094 void __iomem *offset; 1095 int count = 10; 1096 u8 func = adapter->ahw.pci_func; 1097 1098 if (adapter->ahw.crb_win == window) 1099 return; 1100 1101 offset = PCI_OFFSET_SECOND_RANGE(adapter, 1102 NETXEN_PCIX_PH_REG(PCIE_CRB_WINDOW_REG(func))); 1103 1104 writel(window, offset); 1105 do { 1106 if (window == readl(offset)) 1107 break; 1108 1109 if (printk_ratelimit()) 1110 dev_warn(&adapter->pdev->dev, 1111 "failed to set CRB window to %d\n", 1112 (window == NETXEN_WINDOW_ONE)); 1113 udelay(1); 1114 1115 } while (--count > 0); 1116 1117 if (count > 0) 1118 adapter->ahw.crb_win = window; 1119 } 1120 1121 /* 1122 * Returns < 0 if off is not valid, 1123 * 1 if window access is needed. 'off' is set to offset from 1124 * CRB space in 128M pci map 1125 * 0 if no window access is needed. 'off' is set to 2M addr 1126 * In: 'off' is offset from base in 128M pci map 1127 */ 1128 static int 1129 netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter, 1130 ulong off, void __iomem **addr) 1131 { 1132 crb_128M_2M_sub_block_map_t *m; 1133 1134 1135 if ((off >= NETXEN_CRB_MAX) || (off < NETXEN_PCI_CRBSPACE)) 1136 return -EINVAL; 1137 1138 off -= NETXEN_PCI_CRBSPACE; 1139 1140 /* 1141 * Try direct map 1142 */ 1143 m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)]; 1144 1145 if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) { 1146 *addr = adapter->ahw.pci_base0 + m->start_2M + 1147 (off - m->start_128M); 1148 return 0; 1149 } 1150 1151 /* 1152 * Not in direct map, use crb window 1153 */ 1154 *addr = adapter->ahw.pci_base0 + CRB_INDIRECT_2M + 1155 (off & MASK(16)); 1156 return 1; 1157 } 1158 1159 /* 1160 * In: 'off' is offset from CRB space in 128M pci map 1161 * Out: 'off' is 2M pci map addr 1162 * side effect: lock crb window 1163 */ 1164 static void 1165 netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong off) 1166 { 1167 u32 window; 1168 void __iomem *addr = adapter->ahw.pci_base0 + CRB_WINDOW_2M; 1169 1170 off -= NETXEN_PCI_CRBSPACE; 1171 1172 window = CRB_HI(off); 1173 1174 writel(window, addr); 1175 if (readl(addr) != window) { 1176 if (printk_ratelimit()) 1177 dev_warn(&adapter->pdev->dev, 1178 "failed to set CRB window to %d off 0x%lx\n", 1179 window, off); 1180 } 1181 } 1182 1183 static void __iomem * 1184 netxen_nic_map_indirect_address_128M(struct netxen_adapter *adapter, 1185 ulong win_off, void __iomem **mem_ptr) 1186 { 1187 ulong off = win_off; 1188 void __iomem *addr; 1189 resource_size_t mem_base; 1190 1191 if (ADDR_IN_WINDOW1(win_off)) 1192 off = NETXEN_CRB_NORMAL(win_off); 1193 1194 addr = pci_base_offset(adapter, off); 1195 if (addr) 1196 return addr; 1197 1198 if (adapter->ahw.pci_len0 == 0) 1199 off -= NETXEN_PCI_CRBSPACE; 1200 1201 mem_base = pci_resource_start(adapter->pdev, 0); 1202 *mem_ptr = ioremap(mem_base + (off & PAGE_MASK), PAGE_SIZE); 1203 if (*mem_ptr) 1204 addr = *mem_ptr + (off & (PAGE_SIZE - 1)); 1205 1206 return addr; 1207 } 1208 1209 static int 1210 netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, u32 data) 1211 { 1212 unsigned long flags; 1213 void __iomem *addr, *mem_ptr = NULL; 1214 1215 addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr); 1216 if (!addr) 1217 return -EIO; 1218 1219 if (ADDR_IN_WINDOW1(off)) { /* Window 1 */ 1220 netxen_nic_io_write_128M(adapter, addr, data); 1221 } else { /* Window 0 */ 1222 write_lock_irqsave(&adapter->ahw.crb_lock, flags); 1223 netxen_nic_pci_set_crbwindow_128M(adapter, 0); 1224 writel(data, addr); 1225 netxen_nic_pci_set_crbwindow_128M(adapter, 1226 NETXEN_WINDOW_ONE); 1227 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); 1228 } 1229 1230 if (mem_ptr) 1231 iounmap(mem_ptr); 1232 1233 return 0; 1234 } 1235 1236 static u32 1237 netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off) 1238 { 1239 unsigned long flags; 1240 void __iomem *addr, *mem_ptr = NULL; 1241 u32 data; 1242 1243 addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr); 1244 if (!addr) 1245 return -EIO; 1246 1247 if (ADDR_IN_WINDOW1(off)) { /* Window 1 */ 1248 data = netxen_nic_io_read_128M(adapter, addr); 1249 } else { /* Window 0 */ 1250 write_lock_irqsave(&adapter->ahw.crb_lock, flags); 1251 netxen_nic_pci_set_crbwindow_128M(adapter, 0); 1252 data = readl(addr); 1253 netxen_nic_pci_set_crbwindow_128M(adapter, 1254 NETXEN_WINDOW_ONE); 1255 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); 1256 } 1257 1258 if (mem_ptr) 1259 iounmap(mem_ptr); 1260 1261 return data; 1262 } 1263 1264 static int 1265 netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, ulong off, u32 data) 1266 { 1267 unsigned long flags; 1268 int rv; 1269 void __iomem *addr = NULL; 1270 1271 rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr); 1272 1273 if (rv == 0) { 1274 writel(data, addr); 1275 return 0; 1276 } 1277 1278 if (rv > 0) { 1279 /* indirect access */ 1280 write_lock_irqsave(&adapter->ahw.crb_lock, flags); 1281 crb_win_lock(adapter); 1282 netxen_nic_pci_set_crbwindow_2M(adapter, off); 1283 writel(data, addr); 1284 crb_win_unlock(adapter); 1285 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); 1286 return 0; 1287 } 1288 1289 dev_err(&adapter->pdev->dev, 1290 "%s: invalid offset: 0x%016lx\n", __func__, off); 1291 dump_stack(); 1292 return -EIO; 1293 } 1294 1295 static u32 1296 netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off) 1297 { 1298 unsigned long flags; 1299 int rv; 1300 u32 data; 1301 void __iomem *addr = NULL; 1302 1303 rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr); 1304 1305 if (rv == 0) 1306 return readl(addr); 1307 1308 if (rv > 0) { 1309 /* indirect access */ 1310 write_lock_irqsave(&adapter->ahw.crb_lock, flags); 1311 crb_win_lock(adapter); 1312 netxen_nic_pci_set_crbwindow_2M(adapter, off); 1313 data = readl(addr); 1314 crb_win_unlock(adapter); 1315 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); 1316 return data; 1317 } 1318 1319 dev_err(&adapter->pdev->dev, 1320 "%s: invalid offset: 0x%016lx\n", __func__, off); 1321 dump_stack(); 1322 return -1; 1323 } 1324 1325 /* window 1 registers only */ 1326 static void netxen_nic_io_write_128M(struct netxen_adapter *adapter, 1327 void __iomem *addr, u32 data) 1328 { 1329 read_lock(&adapter->ahw.crb_lock); 1330 writel(data, addr); 1331 read_unlock(&adapter->ahw.crb_lock); 1332 } 1333 1334 static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter, 1335 void __iomem *addr) 1336 { 1337 u32 val; 1338 1339 read_lock(&adapter->ahw.crb_lock); 1340 val = readl(addr); 1341 read_unlock(&adapter->ahw.crb_lock); 1342 1343 return val; 1344 } 1345 1346 static void netxen_nic_io_write_2M(struct netxen_adapter *adapter, 1347 void __iomem *addr, u32 data) 1348 { 1349 writel(data, addr); 1350 } 1351 1352 static u32 netxen_nic_io_read_2M(struct netxen_adapter *adapter, 1353 void __iomem *addr) 1354 { 1355 return readl(addr); 1356 } 1357 1358 void __iomem * 1359 netxen_get_ioaddr(struct netxen_adapter *adapter, u32 offset) 1360 { 1361 void __iomem *addr = NULL; 1362 1363 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { 1364 if ((offset < NETXEN_CRB_PCIX_HOST2) && 1365 (offset > NETXEN_CRB_PCIX_HOST)) 1366 addr = PCI_OFFSET_SECOND_RANGE(adapter, offset); 1367 else 1368 addr = NETXEN_CRB_NORMALIZE(adapter, offset); 1369 } else { 1370 WARN_ON(netxen_nic_pci_get_crb_addr_2M(adapter, 1371 offset, &addr)); 1372 } 1373 1374 return addr; 1375 } 1376 1377 static int 1378 netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter, 1379 u64 addr, u32 *start) 1380 { 1381 if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) { 1382 *start = (addr - NETXEN_ADDR_OCM0 + NETXEN_PCI_OCM0); 1383 return 0; 1384 } else if (ADDR_IN_RANGE(addr, 1385 NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) { 1386 *start = (addr - NETXEN_ADDR_OCM1 + NETXEN_PCI_OCM1); 1387 return 0; 1388 } 1389 1390 return -EIO; 1391 } 1392 1393 static int 1394 netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter, 1395 u64 addr, u32 *start) 1396 { 1397 u32 window; 1398 1399 window = OCM_WIN(addr); 1400 1401 writel(window, adapter->ahw.ocm_win_crb); 1402 /* read back to flush */ 1403 readl(adapter->ahw.ocm_win_crb); 1404 1405 adapter->ahw.ocm_win = window; 1406 *start = NETXEN_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr); 1407 return 0; 1408 } 1409 1410 static int 1411 netxen_nic_pci_mem_access_direct(struct netxen_adapter *adapter, u64 off, 1412 u64 *data, int op) 1413 { 1414 void __iomem *addr, *mem_ptr = NULL; 1415 resource_size_t mem_base; 1416 int ret; 1417 u32 start; 1418 1419 spin_lock(&adapter->ahw.mem_lock); 1420 1421 ret = adapter->pci_set_window(adapter, off, &start); 1422 if (ret != 0) 1423 goto unlock; 1424 1425 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { 1426 addr = adapter->ahw.pci_base0 + start; 1427 } else { 1428 addr = pci_base_offset(adapter, start); 1429 if (addr) 1430 goto noremap; 1431 1432 mem_base = pci_resource_start(adapter->pdev, 0) + 1433 (start & PAGE_MASK); 1434 mem_ptr = ioremap(mem_base, PAGE_SIZE); 1435 if (mem_ptr == NULL) { 1436 ret = -EIO; 1437 goto unlock; 1438 } 1439 1440 addr = mem_ptr + (start & (PAGE_SIZE-1)); 1441 } 1442 noremap: 1443 if (op == 0) /* read */ 1444 *data = readq(addr); 1445 else /* write */ 1446 writeq(*data, addr); 1447 1448 unlock: 1449 spin_unlock(&adapter->ahw.mem_lock); 1450 1451 if (mem_ptr) 1452 iounmap(mem_ptr); 1453 return ret; 1454 } 1455 1456 void 1457 netxen_pci_camqm_read_2M(struct netxen_adapter *adapter, u64 off, u64 *data) 1458 { 1459 void __iomem *addr = adapter->ahw.pci_base0 + 1460 NETXEN_PCI_CAMQM_2M_BASE + (off - NETXEN_PCI_CAMQM); 1461 1462 spin_lock(&adapter->ahw.mem_lock); 1463 *data = readq(addr); 1464 spin_unlock(&adapter->ahw.mem_lock); 1465 } 1466 1467 void 1468 netxen_pci_camqm_write_2M(struct netxen_adapter *adapter, u64 off, u64 data) 1469 { 1470 void __iomem *addr = adapter->ahw.pci_base0 + 1471 NETXEN_PCI_CAMQM_2M_BASE + (off - NETXEN_PCI_CAMQM); 1472 1473 spin_lock(&adapter->ahw.mem_lock); 1474 writeq(data, addr); 1475 spin_unlock(&adapter->ahw.mem_lock); 1476 } 1477 1478 #define MAX_CTL_CHECK 1000 1479 1480 static int 1481 netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter, 1482 u64 off, u64 data) 1483 { 1484 int j, ret; 1485 u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo; 1486 void __iomem *mem_crb; 1487 1488 /* Only 64-bit aligned access */ 1489 if (off & 7) 1490 return -EIO; 1491 1492 /* P2 has different SIU and MIU test agent base addr */ 1493 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET, 1494 NETXEN_ADDR_QDR_NET_MAX_P2)) { 1495 mem_crb = pci_base_offset(adapter, 1496 NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE); 1497 addr_hi = SIU_TEST_AGT_ADDR_HI; 1498 data_lo = SIU_TEST_AGT_WRDATA_LO; 1499 data_hi = SIU_TEST_AGT_WRDATA_HI; 1500 off_lo = off & SIU_TEST_AGT_ADDR_MASK; 1501 off_hi = SIU_TEST_AGT_UPPER_ADDR(off); 1502 goto correct; 1503 } 1504 1505 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { 1506 mem_crb = pci_base_offset(adapter, 1507 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE); 1508 addr_hi = MIU_TEST_AGT_ADDR_HI; 1509 data_lo = MIU_TEST_AGT_WRDATA_LO; 1510 data_hi = MIU_TEST_AGT_WRDATA_HI; 1511 off_lo = off & MIU_TEST_AGT_ADDR_MASK; 1512 off_hi = 0; 1513 goto correct; 1514 } 1515 1516 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) || 1517 ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) { 1518 if (adapter->ahw.pci_len0 != 0) { 1519 return netxen_nic_pci_mem_access_direct(adapter, 1520 off, &data, 1); 1521 } 1522 } 1523 1524 return -EIO; 1525 1526 correct: 1527 spin_lock(&adapter->ahw.mem_lock); 1528 netxen_nic_pci_set_crbwindow_128M(adapter, 0); 1529 1530 writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO)); 1531 writel(off_hi, (mem_crb + addr_hi)); 1532 writel(data & 0xffffffff, (mem_crb + data_lo)); 1533 writel((data >> 32) & 0xffffffff, (mem_crb + data_hi)); 1534 writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL)); 1535 writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE), 1536 (mem_crb + TEST_AGT_CTRL)); 1537 1538 for (j = 0; j < MAX_CTL_CHECK; j++) { 1539 temp = readl((mem_crb + TEST_AGT_CTRL)); 1540 if ((temp & TA_CTL_BUSY) == 0) 1541 break; 1542 } 1543 1544 if (j >= MAX_CTL_CHECK) { 1545 if (printk_ratelimit()) 1546 dev_err(&adapter->pdev->dev, 1547 "failed to write through agent\n"); 1548 ret = -EIO; 1549 } else 1550 ret = 0; 1551 1552 netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE); 1553 spin_unlock(&adapter->ahw.mem_lock); 1554 return ret; 1555 } 1556 1557 static int 1558 netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter, 1559 u64 off, u64 *data) 1560 { 1561 int j, ret; 1562 u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo; 1563 u64 val; 1564 void __iomem *mem_crb; 1565 1566 /* Only 64-bit aligned access */ 1567 if (off & 7) 1568 return -EIO; 1569 1570 /* P2 has different SIU and MIU test agent base addr */ 1571 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET, 1572 NETXEN_ADDR_QDR_NET_MAX_P2)) { 1573 mem_crb = pci_base_offset(adapter, 1574 NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE); 1575 addr_hi = SIU_TEST_AGT_ADDR_HI; 1576 data_lo = SIU_TEST_AGT_RDDATA_LO; 1577 data_hi = SIU_TEST_AGT_RDDATA_HI; 1578 off_lo = off & SIU_TEST_AGT_ADDR_MASK; 1579 off_hi = SIU_TEST_AGT_UPPER_ADDR(off); 1580 goto correct; 1581 } 1582 1583 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { 1584 mem_crb = pci_base_offset(adapter, 1585 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE); 1586 addr_hi = MIU_TEST_AGT_ADDR_HI; 1587 data_lo = MIU_TEST_AGT_RDDATA_LO; 1588 data_hi = MIU_TEST_AGT_RDDATA_HI; 1589 off_lo = off & MIU_TEST_AGT_ADDR_MASK; 1590 off_hi = 0; 1591 goto correct; 1592 } 1593 1594 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) || 1595 ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) { 1596 if (adapter->ahw.pci_len0 != 0) { 1597 return netxen_nic_pci_mem_access_direct(adapter, 1598 off, data, 0); 1599 } 1600 } 1601 1602 return -EIO; 1603 1604 correct: 1605 spin_lock(&adapter->ahw.mem_lock); 1606 netxen_nic_pci_set_crbwindow_128M(adapter, 0); 1607 1608 writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO)); 1609 writel(off_hi, (mem_crb + addr_hi)); 1610 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL)); 1611 writel((TA_CTL_START|TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL)); 1612 1613 for (j = 0; j < MAX_CTL_CHECK; j++) { 1614 temp = readl(mem_crb + TEST_AGT_CTRL); 1615 if ((temp & TA_CTL_BUSY) == 0) 1616 break; 1617 } 1618 1619 if (j >= MAX_CTL_CHECK) { 1620 if (printk_ratelimit()) 1621 dev_err(&adapter->pdev->dev, 1622 "failed to read through agent\n"); 1623 ret = -EIO; 1624 } else { 1625 1626 temp = readl(mem_crb + data_hi); 1627 val = ((u64)temp << 32); 1628 val |= readl(mem_crb + data_lo); 1629 *data = val; 1630 ret = 0; 1631 } 1632 1633 netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE); 1634 spin_unlock(&adapter->ahw.mem_lock); 1635 1636 return ret; 1637 } 1638 1639 static int 1640 netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter, 1641 u64 off, u64 data) 1642 { 1643 int j, ret; 1644 u32 temp, off8; 1645 void __iomem *mem_crb; 1646 1647 /* Only 64-bit aligned access */ 1648 if (off & 7) 1649 return -EIO; 1650 1651 /* P3 onward, test agent base for MIU and SIU is same */ 1652 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET, 1653 NETXEN_ADDR_QDR_NET_MAX_P3)) { 1654 mem_crb = netxen_get_ioaddr(adapter, 1655 NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE); 1656 goto correct; 1657 } 1658 1659 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { 1660 mem_crb = netxen_get_ioaddr(adapter, 1661 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE); 1662 goto correct; 1663 } 1664 1665 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) 1666 return netxen_nic_pci_mem_access_direct(adapter, off, &data, 1); 1667 1668 return -EIO; 1669 1670 correct: 1671 off8 = off & 0xfffffff8; 1672 1673 spin_lock(&adapter->ahw.mem_lock); 1674 1675 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO)); 1676 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI)); 1677 1678 writel(data & 0xffffffff, 1679 mem_crb + MIU_TEST_AGT_WRDATA_LO); 1680 writel((data >> 32) & 0xffffffff, 1681 mem_crb + MIU_TEST_AGT_WRDATA_HI); 1682 1683 writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL)); 1684 writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE), 1685 (mem_crb + TEST_AGT_CTRL)); 1686 1687 for (j = 0; j < MAX_CTL_CHECK; j++) { 1688 temp = readl(mem_crb + TEST_AGT_CTRL); 1689 if ((temp & TA_CTL_BUSY) == 0) 1690 break; 1691 } 1692 1693 if (j >= MAX_CTL_CHECK) { 1694 if (printk_ratelimit()) 1695 dev_err(&adapter->pdev->dev, 1696 "failed to write through agent\n"); 1697 ret = -EIO; 1698 } else 1699 ret = 0; 1700 1701 spin_unlock(&adapter->ahw.mem_lock); 1702 1703 return ret; 1704 } 1705 1706 static int 1707 netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter, 1708 u64 off, u64 *data) 1709 { 1710 int j, ret; 1711 u32 temp, off8; 1712 u64 val; 1713 void __iomem *mem_crb; 1714 1715 /* Only 64-bit aligned access */ 1716 if (off & 7) 1717 return -EIO; 1718 1719 /* P3 onward, test agent base for MIU and SIU is same */ 1720 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET, 1721 NETXEN_ADDR_QDR_NET_MAX_P3)) { 1722 mem_crb = netxen_get_ioaddr(adapter, 1723 NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE); 1724 goto correct; 1725 } 1726 1727 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { 1728 mem_crb = netxen_get_ioaddr(adapter, 1729 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE); 1730 goto correct; 1731 } 1732 1733 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) { 1734 return netxen_nic_pci_mem_access_direct(adapter, 1735 off, data, 0); 1736 } 1737 1738 return -EIO; 1739 1740 correct: 1741 off8 = off & 0xfffffff8; 1742 1743 spin_lock(&adapter->ahw.mem_lock); 1744 1745 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO)); 1746 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI)); 1747 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL)); 1748 writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL)); 1749 1750 for (j = 0; j < MAX_CTL_CHECK; j++) { 1751 temp = readl(mem_crb + TEST_AGT_CTRL); 1752 if ((temp & TA_CTL_BUSY) == 0) 1753 break; 1754 } 1755 1756 if (j >= MAX_CTL_CHECK) { 1757 if (printk_ratelimit()) 1758 dev_err(&adapter->pdev->dev, 1759 "failed to read through agent\n"); 1760 ret = -EIO; 1761 } else { 1762 val = (u64)(readl(mem_crb + MIU_TEST_AGT_RDDATA_HI)) << 32; 1763 val |= readl(mem_crb + MIU_TEST_AGT_RDDATA_LO); 1764 *data = val; 1765 ret = 0; 1766 } 1767 1768 spin_unlock(&adapter->ahw.mem_lock); 1769 1770 return ret; 1771 } 1772 1773 void 1774 netxen_setup_hwops(struct netxen_adapter *adapter) 1775 { 1776 adapter->init_port = netxen_niu_xg_init_port; 1777 adapter->stop_port = netxen_niu_disable_xg_port; 1778 1779 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { 1780 adapter->crb_read = netxen_nic_hw_read_wx_128M, 1781 adapter->crb_write = netxen_nic_hw_write_wx_128M, 1782 adapter->pci_set_window = netxen_nic_pci_set_window_128M, 1783 adapter->pci_mem_read = netxen_nic_pci_mem_read_128M, 1784 adapter->pci_mem_write = netxen_nic_pci_mem_write_128M, 1785 adapter->io_read = netxen_nic_io_read_128M, 1786 adapter->io_write = netxen_nic_io_write_128M, 1787 1788 adapter->macaddr_set = netxen_p2_nic_set_mac_addr; 1789 adapter->set_multi = netxen_p2_nic_set_multi; 1790 adapter->set_mtu = netxen_nic_set_mtu_xgb; 1791 adapter->set_promisc = netxen_p2_nic_set_promisc; 1792 1793 } else { 1794 adapter->crb_read = netxen_nic_hw_read_wx_2M, 1795 adapter->crb_write = netxen_nic_hw_write_wx_2M, 1796 adapter->pci_set_window = netxen_nic_pci_set_window_2M, 1797 adapter->pci_mem_read = netxen_nic_pci_mem_read_2M, 1798 adapter->pci_mem_write = netxen_nic_pci_mem_write_2M, 1799 adapter->io_read = netxen_nic_io_read_2M, 1800 adapter->io_write = netxen_nic_io_write_2M, 1801 1802 adapter->set_mtu = nx_fw_cmd_set_mtu; 1803 adapter->set_promisc = netxen_p3_nic_set_promisc; 1804 adapter->macaddr_set = netxen_p3_nic_set_mac_addr; 1805 adapter->set_multi = netxen_p3_nic_set_multi; 1806 1807 adapter->phy_read = nx_fw_cmd_query_phy; 1808 adapter->phy_write = nx_fw_cmd_set_phy; 1809 } 1810 } 1811 1812 int netxen_nic_get_board_info(struct netxen_adapter *adapter) 1813 { 1814 int offset, board_type, magic; 1815 struct pci_dev *pdev = adapter->pdev; 1816 1817 offset = NX_FW_MAGIC_OFFSET; 1818 if (netxen_rom_fast_read(adapter, offset, &magic)) 1819 return -EIO; 1820 1821 if (magic != NETXEN_BDINFO_MAGIC) { 1822 dev_err(&pdev->dev, "invalid board config, magic=%08x\n", 1823 magic); 1824 return -EIO; 1825 } 1826 1827 offset = NX_BRDTYPE_OFFSET; 1828 if (netxen_rom_fast_read(adapter, offset, &board_type)) 1829 return -EIO; 1830 1831 if (board_type == NETXEN_BRDTYPE_P3_4_GB_MM) { 1832 u32 gpio = NXRD32(adapter, NETXEN_ROMUSB_GLB_PAD_GPIO_I); 1833 if ((gpio & 0x8000) == 0) 1834 board_type = NETXEN_BRDTYPE_P3_10G_TP; 1835 } 1836 1837 adapter->ahw.board_type = board_type; 1838 1839 switch (board_type) { 1840 case NETXEN_BRDTYPE_P2_SB35_4G: 1841 adapter->ahw.port_type = NETXEN_NIC_GBE; 1842 break; 1843 case NETXEN_BRDTYPE_P2_SB31_10G: 1844 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: 1845 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: 1846 case NETXEN_BRDTYPE_P2_SB31_10G_CX4: 1847 case NETXEN_BRDTYPE_P3_HMEZ: 1848 case NETXEN_BRDTYPE_P3_XG_LOM: 1849 case NETXEN_BRDTYPE_P3_10G_CX4: 1850 case NETXEN_BRDTYPE_P3_10G_CX4_LP: 1851 case NETXEN_BRDTYPE_P3_IMEZ: 1852 case NETXEN_BRDTYPE_P3_10G_SFP_PLUS: 1853 case NETXEN_BRDTYPE_P3_10G_SFP_CT: 1854 case NETXEN_BRDTYPE_P3_10G_SFP_QT: 1855 case NETXEN_BRDTYPE_P3_10G_XFP: 1856 case NETXEN_BRDTYPE_P3_10000_BASE_T: 1857 adapter->ahw.port_type = NETXEN_NIC_XGBE; 1858 break; 1859 case NETXEN_BRDTYPE_P1_BD: 1860 case NETXEN_BRDTYPE_P1_SB: 1861 case NETXEN_BRDTYPE_P1_SMAX: 1862 case NETXEN_BRDTYPE_P1_SOCK: 1863 case NETXEN_BRDTYPE_P3_REF_QG: 1864 case NETXEN_BRDTYPE_P3_4_GB: 1865 case NETXEN_BRDTYPE_P3_4_GB_MM: 1866 adapter->ahw.port_type = NETXEN_NIC_GBE; 1867 break; 1868 case NETXEN_BRDTYPE_P3_10G_TP: 1869 adapter->ahw.port_type = (adapter->portnum < 2) ? 1870 NETXEN_NIC_XGBE : NETXEN_NIC_GBE; 1871 break; 1872 default: 1873 dev_err(&pdev->dev, "unknown board type %x\n", board_type); 1874 adapter->ahw.port_type = NETXEN_NIC_XGBE; 1875 break; 1876 } 1877 1878 return 0; 1879 } 1880 1881 /* NIU access sections */ 1882 static int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu) 1883 { 1884 new_mtu += MTU_FUDGE_FACTOR; 1885 if (adapter->physical_port == 0) 1886 NXWR32(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, new_mtu); 1887 else 1888 NXWR32(adapter, NETXEN_NIU_XG1_MAX_FRAME_SIZE, new_mtu); 1889 return 0; 1890 } 1891 1892 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter) 1893 { 1894 __u32 status; 1895 __u32 autoneg; 1896 __u32 port_mode; 1897 1898 if (!netif_carrier_ok(adapter->netdev)) { 1899 adapter->link_speed = 0; 1900 adapter->link_duplex = -1; 1901 adapter->link_autoneg = AUTONEG_ENABLE; 1902 return; 1903 } 1904 1905 if (adapter->ahw.port_type == NETXEN_NIC_GBE) { 1906 port_mode = NXRD32(adapter, NETXEN_PORT_MODE_ADDR); 1907 if (port_mode == NETXEN_PORT_MODE_802_3_AP) { 1908 adapter->link_speed = SPEED_1000; 1909 adapter->link_duplex = DUPLEX_FULL; 1910 adapter->link_autoneg = AUTONEG_DISABLE; 1911 return; 1912 } 1913 1914 if (adapter->phy_read && 1915 adapter->phy_read(adapter, 1916 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, 1917 &status) == 0) { 1918 if (netxen_get_phy_link(status)) { 1919 switch (netxen_get_phy_speed(status)) { 1920 case 0: 1921 adapter->link_speed = SPEED_10; 1922 break; 1923 case 1: 1924 adapter->link_speed = SPEED_100; 1925 break; 1926 case 2: 1927 adapter->link_speed = SPEED_1000; 1928 break; 1929 default: 1930 adapter->link_speed = 0; 1931 break; 1932 } 1933 switch (netxen_get_phy_duplex(status)) { 1934 case 0: 1935 adapter->link_duplex = DUPLEX_HALF; 1936 break; 1937 case 1: 1938 adapter->link_duplex = DUPLEX_FULL; 1939 break; 1940 default: 1941 adapter->link_duplex = -1; 1942 break; 1943 } 1944 if (adapter->phy_read && 1945 adapter->phy_read(adapter, 1946 NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, 1947 &autoneg) != 0) 1948 adapter->link_autoneg = autoneg; 1949 } else 1950 goto link_down; 1951 } else { 1952 link_down: 1953 adapter->link_speed = 0; 1954 adapter->link_duplex = -1; 1955 } 1956 } 1957 } 1958 1959 int 1960 netxen_nic_wol_supported(struct netxen_adapter *adapter) 1961 { 1962 u32 wol_cfg; 1963 1964 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) 1965 return 0; 1966 1967 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV); 1968 if (wol_cfg & (1UL << adapter->portnum)) { 1969 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG); 1970 if (wol_cfg & (1 << adapter->portnum)) 1971 return 1; 1972 } 1973 1974 return 0; 1975 } 1976 1977 static u32 netxen_md_cntrl(struct netxen_adapter *adapter, 1978 struct netxen_minidump_template_hdr *template_hdr, 1979 struct netxen_minidump_entry_crb *crtEntry) 1980 { 1981 int loop_cnt, i, rv = 0, timeout_flag; 1982 u32 op_count, stride; 1983 u32 opcode, read_value, addr; 1984 unsigned long timeout, timeout_jiffies; 1985 addr = crtEntry->addr; 1986 op_count = crtEntry->op_count; 1987 stride = crtEntry->addr_stride; 1988 1989 for (loop_cnt = 0; loop_cnt < op_count; loop_cnt++) { 1990 for (i = 0; i < sizeof(crtEntry->opcode) * 8; i++) { 1991 opcode = (crtEntry->opcode & (0x1 << i)); 1992 if (opcode) { 1993 switch (opcode) { 1994 case NX_DUMP_WCRB: 1995 NX_WR_DUMP_REG(addr, 1996 adapter->ahw.pci_base0, 1997 crtEntry->value_1); 1998 break; 1999 case NX_DUMP_RWCRB: 2000 NX_RD_DUMP_REG(addr, 2001 adapter->ahw.pci_base0, 2002 &read_value); 2003 NX_WR_DUMP_REG(addr, 2004 adapter->ahw.pci_base0, 2005 read_value); 2006 break; 2007 case NX_DUMP_ANDCRB: 2008 NX_RD_DUMP_REG(addr, 2009 adapter->ahw.pci_base0, 2010 &read_value); 2011 read_value &= crtEntry->value_2; 2012 NX_WR_DUMP_REG(addr, 2013 adapter->ahw.pci_base0, 2014 read_value); 2015 break; 2016 case NX_DUMP_ORCRB: 2017 NX_RD_DUMP_REG(addr, 2018 adapter->ahw.pci_base0, 2019 &read_value); 2020 read_value |= crtEntry->value_3; 2021 NX_WR_DUMP_REG(addr, 2022 adapter->ahw.pci_base0, 2023 read_value); 2024 break; 2025 case NX_DUMP_POLLCRB: 2026 timeout = crtEntry->poll_timeout; 2027 NX_RD_DUMP_REG(addr, 2028 adapter->ahw.pci_base0, 2029 &read_value); 2030 timeout_jiffies = 2031 msecs_to_jiffies(timeout) + jiffies; 2032 for (timeout_flag = 0; 2033 !timeout_flag 2034 && ((read_value & crtEntry->value_2) 2035 != crtEntry->value_1);) { 2036 if (time_after(jiffies, 2037 timeout_jiffies)) 2038 timeout_flag = 1; 2039 NX_RD_DUMP_REG(addr, 2040 adapter->ahw.pci_base0, 2041 &read_value); 2042 } 2043 2044 if (timeout_flag) { 2045 dev_err(&adapter->pdev->dev, "%s : " 2046 "Timeout in poll_crb control operation.\n" 2047 , __func__); 2048 return -1; 2049 } 2050 break; 2051 case NX_DUMP_RD_SAVE: 2052 /* Decide which address to use */ 2053 if (crtEntry->state_index_a) 2054 addr = 2055 template_hdr->saved_state_array 2056 [crtEntry->state_index_a]; 2057 NX_RD_DUMP_REG(addr, 2058 adapter->ahw.pci_base0, 2059 &read_value); 2060 template_hdr->saved_state_array 2061 [crtEntry->state_index_v] 2062 = read_value; 2063 break; 2064 case NX_DUMP_WRT_SAVED: 2065 /* Decide which value to use */ 2066 if (crtEntry->state_index_v) 2067 read_value = 2068 template_hdr->saved_state_array 2069 [crtEntry->state_index_v]; 2070 else 2071 read_value = crtEntry->value_1; 2072 2073 /* Decide which address to use */ 2074 if (crtEntry->state_index_a) 2075 addr = 2076 template_hdr->saved_state_array 2077 [crtEntry->state_index_a]; 2078 2079 NX_WR_DUMP_REG(addr, 2080 adapter->ahw.pci_base0, 2081 read_value); 2082 break; 2083 case NX_DUMP_MOD_SAVE_ST: 2084 read_value = 2085 template_hdr->saved_state_array 2086 [crtEntry->state_index_v]; 2087 read_value <<= crtEntry->shl; 2088 read_value >>= crtEntry->shr; 2089 if (crtEntry->value_2) 2090 read_value &= 2091 crtEntry->value_2; 2092 read_value |= crtEntry->value_3; 2093 read_value += crtEntry->value_1; 2094 /* Write value back to state area.*/ 2095 template_hdr->saved_state_array 2096 [crtEntry->state_index_v] 2097 = read_value; 2098 break; 2099 default: 2100 rv = 1; 2101 break; 2102 } 2103 } 2104 } 2105 addr = addr + stride; 2106 } 2107 return rv; 2108 } 2109 2110 /* Read memory or MN */ 2111 static u32 2112 netxen_md_rdmem(struct netxen_adapter *adapter, 2113 struct netxen_minidump_entry_rdmem 2114 *memEntry, u64 *data_buff) 2115 { 2116 u64 addr, value = 0; 2117 int i = 0, loop_cnt; 2118 2119 addr = (u64)memEntry->read_addr; 2120 loop_cnt = memEntry->read_data_size; /* This is size in bytes */ 2121 loop_cnt /= sizeof(value); 2122 2123 for (i = 0; i < loop_cnt; i++) { 2124 if (netxen_nic_pci_mem_read_2M(adapter, addr, &value)) 2125 goto out; 2126 *data_buff++ = value; 2127 addr += sizeof(value); 2128 } 2129 out: 2130 return i * sizeof(value); 2131 } 2132 2133 /* Read CRB operation */ 2134 static u32 netxen_md_rd_crb(struct netxen_adapter *adapter, 2135 struct netxen_minidump_entry_crb 2136 *crbEntry, u32 *data_buff) 2137 { 2138 int loop_cnt; 2139 u32 op_count, addr, stride, value; 2140 2141 addr = crbEntry->addr; 2142 op_count = crbEntry->op_count; 2143 stride = crbEntry->addr_stride; 2144 2145 for (loop_cnt = 0; loop_cnt < op_count; loop_cnt++) { 2146 NX_RD_DUMP_REG(addr, adapter->ahw.pci_base0, &value); 2147 *data_buff++ = addr; 2148 *data_buff++ = value; 2149 addr = addr + stride; 2150 } 2151 return loop_cnt * (2 * sizeof(u32)); 2152 } 2153 2154 /* Read ROM */ 2155 static u32 2156 netxen_md_rdrom(struct netxen_adapter *adapter, 2157 struct netxen_minidump_entry_rdrom 2158 *romEntry, __le32 *data_buff) 2159 { 2160 int i, count = 0; 2161 u32 size, lck_val; 2162 u32 val; 2163 u32 fl_addr, waddr, raddr; 2164 fl_addr = romEntry->read_addr; 2165 size = romEntry->read_data_size/4; 2166 lock_try: 2167 lck_val = readl((void __iomem *)(adapter->ahw.pci_base0 + 2168 NX_FLASH_SEM2_LK)); 2169 if (!lck_val && count < MAX_CTL_CHECK) { 2170 msleep(20); 2171 count++; 2172 goto lock_try; 2173 } 2174 writel(adapter->ahw.pci_func, (void __iomem *)(adapter->ahw.pci_base0 + 2175 NX_FLASH_LOCK_ID)); 2176 for (i = 0; i < size; i++) { 2177 waddr = fl_addr & 0xFFFF0000; 2178 NX_WR_DUMP_REG(FLASH_ROM_WINDOW, adapter->ahw.pci_base0, waddr); 2179 raddr = FLASH_ROM_DATA + (fl_addr & 0x0000FFFF); 2180 NX_RD_DUMP_REG(raddr, adapter->ahw.pci_base0, &val); 2181 *data_buff++ = cpu_to_le32(val); 2182 fl_addr += sizeof(val); 2183 } 2184 readl((void __iomem *)(adapter->ahw.pci_base0 + NX_FLASH_SEM2_ULK)); 2185 return romEntry->read_data_size; 2186 } 2187 2188 /* Handle L2 Cache */ 2189 static u32 2190 netxen_md_L2Cache(struct netxen_adapter *adapter, 2191 struct netxen_minidump_entry_cache 2192 *cacheEntry, u32 *data_buff) 2193 { 2194 int loop_cnt, i, k, timeout_flag = 0; 2195 u32 addr, read_addr, read_value, cntrl_addr, tag_reg_addr; 2196 u32 tag_value, read_cnt; 2197 u8 cntl_value_w, cntl_value_r; 2198 unsigned long timeout, timeout_jiffies; 2199 2200 loop_cnt = cacheEntry->op_count; 2201 read_addr = cacheEntry->read_addr; 2202 cntrl_addr = cacheEntry->control_addr; 2203 cntl_value_w = (u32) cacheEntry->write_value; 2204 tag_reg_addr = cacheEntry->tag_reg_addr; 2205 tag_value = cacheEntry->init_tag_value; 2206 read_cnt = cacheEntry->read_addr_cnt; 2207 2208 for (i = 0; i < loop_cnt; i++) { 2209 NX_WR_DUMP_REG(tag_reg_addr, adapter->ahw.pci_base0, tag_value); 2210 if (cntl_value_w) 2211 NX_WR_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0, 2212 (u32)cntl_value_w); 2213 if (cacheEntry->poll_mask) { 2214 timeout = cacheEntry->poll_wait; 2215 NX_RD_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0, 2216 &cntl_value_r); 2217 timeout_jiffies = msecs_to_jiffies(timeout) + jiffies; 2218 for (timeout_flag = 0; !timeout_flag && 2219 ((cntl_value_r & cacheEntry->poll_mask) != 0);) { 2220 if (time_after(jiffies, timeout_jiffies)) 2221 timeout_flag = 1; 2222 NX_RD_DUMP_REG(cntrl_addr, 2223 adapter->ahw.pci_base0, 2224 &cntl_value_r); 2225 } 2226 if (timeout_flag) { 2227 dev_err(&adapter->pdev->dev, 2228 "Timeout in processing L2 Tag poll.\n"); 2229 return -1; 2230 } 2231 } 2232 addr = read_addr; 2233 for (k = 0; k < read_cnt; k++) { 2234 NX_RD_DUMP_REG(addr, adapter->ahw.pci_base0, 2235 &read_value); 2236 *data_buff++ = read_value; 2237 addr += cacheEntry->read_addr_stride; 2238 } 2239 tag_value += cacheEntry->tag_value_stride; 2240 } 2241 return read_cnt * loop_cnt * sizeof(read_value); 2242 } 2243 2244 2245 /* Handle L1 Cache */ 2246 static u32 netxen_md_L1Cache(struct netxen_adapter *adapter, 2247 struct netxen_minidump_entry_cache 2248 *cacheEntry, u32 *data_buff) 2249 { 2250 int i, k, loop_cnt; 2251 u32 addr, read_addr, read_value, cntrl_addr, tag_reg_addr; 2252 u32 tag_value, read_cnt; 2253 u8 cntl_value_w; 2254 2255 loop_cnt = cacheEntry->op_count; 2256 read_addr = cacheEntry->read_addr; 2257 cntrl_addr = cacheEntry->control_addr; 2258 cntl_value_w = (u32) cacheEntry->write_value; 2259 tag_reg_addr = cacheEntry->tag_reg_addr; 2260 tag_value = cacheEntry->init_tag_value; 2261 read_cnt = cacheEntry->read_addr_cnt; 2262 2263 for (i = 0; i < loop_cnt; i++) { 2264 NX_WR_DUMP_REG(tag_reg_addr, adapter->ahw.pci_base0, tag_value); 2265 NX_WR_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0, 2266 (u32) cntl_value_w); 2267 addr = read_addr; 2268 for (k = 0; k < read_cnt; k++) { 2269 NX_RD_DUMP_REG(addr, 2270 adapter->ahw.pci_base0, 2271 &read_value); 2272 *data_buff++ = read_value; 2273 addr += cacheEntry->read_addr_stride; 2274 } 2275 tag_value += cacheEntry->tag_value_stride; 2276 } 2277 return read_cnt * loop_cnt * sizeof(read_value); 2278 } 2279 2280 /* Reading OCM memory */ 2281 static u32 2282 netxen_md_rdocm(struct netxen_adapter *adapter, 2283 struct netxen_minidump_entry_rdocm 2284 *ocmEntry, u32 *data_buff) 2285 { 2286 int i, loop_cnt; 2287 u32 value; 2288 void __iomem *addr; 2289 addr = (ocmEntry->read_addr + adapter->ahw.pci_base0); 2290 loop_cnt = ocmEntry->op_count; 2291 2292 for (i = 0; i < loop_cnt; i++) { 2293 value = readl(addr); 2294 *data_buff++ = value; 2295 addr += ocmEntry->read_addr_stride; 2296 } 2297 return i * sizeof(u32); 2298 } 2299 2300 /* Read MUX data */ 2301 static u32 2302 netxen_md_rdmux(struct netxen_adapter *adapter, struct netxen_minidump_entry_mux 2303 *muxEntry, u32 *data_buff) 2304 { 2305 int loop_cnt = 0; 2306 u32 read_addr, read_value, select_addr, sel_value; 2307 2308 read_addr = muxEntry->read_addr; 2309 sel_value = muxEntry->select_value; 2310 select_addr = muxEntry->select_addr; 2311 2312 for (loop_cnt = 0; loop_cnt < muxEntry->op_count; loop_cnt++) { 2313 NX_WR_DUMP_REG(select_addr, adapter->ahw.pci_base0, sel_value); 2314 NX_RD_DUMP_REG(read_addr, adapter->ahw.pci_base0, &read_value); 2315 *data_buff++ = sel_value; 2316 *data_buff++ = read_value; 2317 sel_value += muxEntry->select_value_stride; 2318 } 2319 return loop_cnt * (2 * sizeof(u32)); 2320 } 2321 2322 /* Handling Queue State Reads */ 2323 static u32 2324 netxen_md_rdqueue(struct netxen_adapter *adapter, 2325 struct netxen_minidump_entry_queue 2326 *queueEntry, u32 *data_buff) 2327 { 2328 int loop_cnt, k; 2329 u32 queue_id, read_addr, read_value, read_stride, select_addr, read_cnt; 2330 2331 read_cnt = queueEntry->read_addr_cnt; 2332 read_stride = queueEntry->read_addr_stride; 2333 select_addr = queueEntry->select_addr; 2334 2335 for (loop_cnt = 0, queue_id = 0; loop_cnt < queueEntry->op_count; 2336 loop_cnt++) { 2337 NX_WR_DUMP_REG(select_addr, adapter->ahw.pci_base0, queue_id); 2338 read_addr = queueEntry->read_addr; 2339 for (k = 0; k < read_cnt; k--) { 2340 NX_RD_DUMP_REG(read_addr, adapter->ahw.pci_base0, 2341 &read_value); 2342 *data_buff++ = read_value; 2343 read_addr += read_stride; 2344 } 2345 queue_id += queueEntry->queue_id_stride; 2346 } 2347 return loop_cnt * (read_cnt * sizeof(read_value)); 2348 } 2349 2350 2351 /* 2352 * We catch an error where driver does not read 2353 * as much data as we expect from the entry. 2354 */ 2355 2356 static int netxen_md_entry_err_chk(struct netxen_adapter *adapter, 2357 struct netxen_minidump_entry *entry, int esize) 2358 { 2359 if (esize < 0) { 2360 entry->hdr.driver_flags |= NX_DUMP_SKIP; 2361 return esize; 2362 } 2363 if (esize != entry->hdr.entry_capture_size) { 2364 entry->hdr.entry_capture_size = esize; 2365 entry->hdr.driver_flags |= NX_DUMP_SIZE_ERR; 2366 dev_info(&adapter->pdev->dev, 2367 "Invalidate dump, Type:%d\tMask:%d\tSize:%dCap_size:%d\n", 2368 entry->hdr.entry_type, entry->hdr.entry_capture_mask, 2369 esize, entry->hdr.entry_capture_size); 2370 dev_info(&adapter->pdev->dev, "Aborting further dump capture\n"); 2371 } 2372 return 0; 2373 } 2374 2375 static int netxen_parse_md_template(struct netxen_adapter *adapter) 2376 { 2377 int num_of_entries, buff_level, e_cnt, esize; 2378 int end_cnt = 0, rv = 0, sane_start = 0, sane_end = 0; 2379 char *dbuff; 2380 void *template_buff = adapter->mdump.md_template; 2381 char *dump_buff = adapter->mdump.md_capture_buff; 2382 int capture_mask = adapter->mdump.md_capture_mask; 2383 struct netxen_minidump_template_hdr *template_hdr; 2384 struct netxen_minidump_entry *entry; 2385 2386 if ((capture_mask & 0x3) != 0x3) { 2387 dev_err(&adapter->pdev->dev, "Capture mask %02x below minimum needed " 2388 "for valid firmware dump\n", capture_mask); 2389 return -EINVAL; 2390 } 2391 template_hdr = (struct netxen_minidump_template_hdr *) template_buff; 2392 num_of_entries = template_hdr->num_of_entries; 2393 entry = (struct netxen_minidump_entry *) ((char *) template_buff + 2394 template_hdr->first_entry_offset); 2395 memcpy(dump_buff, template_buff, adapter->mdump.md_template_size); 2396 dump_buff = dump_buff + adapter->mdump.md_template_size; 2397 2398 if (template_hdr->entry_type == TLHDR) 2399 sane_start = 1; 2400 2401 for (e_cnt = 0, buff_level = 0; e_cnt < num_of_entries; e_cnt++) { 2402 if (!(entry->hdr.entry_capture_mask & capture_mask)) { 2403 entry->hdr.driver_flags |= NX_DUMP_SKIP; 2404 entry = (struct netxen_minidump_entry *) 2405 ((char *) entry + entry->hdr.entry_size); 2406 continue; 2407 } 2408 switch (entry->hdr.entry_type) { 2409 case RDNOP: 2410 entry->hdr.driver_flags |= NX_DUMP_SKIP; 2411 break; 2412 case RDEND: 2413 entry->hdr.driver_flags |= NX_DUMP_SKIP; 2414 if (!sane_end) 2415 end_cnt = e_cnt; 2416 sane_end += 1; 2417 break; 2418 case CNTRL: 2419 rv = netxen_md_cntrl(adapter, 2420 template_hdr, (void *)entry); 2421 if (rv) 2422 entry->hdr.driver_flags |= NX_DUMP_SKIP; 2423 break; 2424 case RDCRB: 2425 dbuff = dump_buff + buff_level; 2426 esize = netxen_md_rd_crb(adapter, 2427 (void *) entry, (void *) dbuff); 2428 rv = netxen_md_entry_err_chk 2429 (adapter, entry, esize); 2430 if (rv < 0) 2431 break; 2432 buff_level += esize; 2433 break; 2434 case RDMN: 2435 case RDMEM: 2436 dbuff = dump_buff + buff_level; 2437 esize = netxen_md_rdmem(adapter, 2438 (void *) entry, (void *) dbuff); 2439 rv = netxen_md_entry_err_chk 2440 (adapter, entry, esize); 2441 if (rv < 0) 2442 break; 2443 buff_level += esize; 2444 break; 2445 case BOARD: 2446 case RDROM: 2447 dbuff = dump_buff + buff_level; 2448 esize = netxen_md_rdrom(adapter, 2449 (void *) entry, (void *) dbuff); 2450 rv = netxen_md_entry_err_chk 2451 (adapter, entry, esize); 2452 if (rv < 0) 2453 break; 2454 buff_level += esize; 2455 break; 2456 case L2ITG: 2457 case L2DTG: 2458 case L2DAT: 2459 case L2INS: 2460 dbuff = dump_buff + buff_level; 2461 esize = netxen_md_L2Cache(adapter, 2462 (void *) entry, (void *) dbuff); 2463 rv = netxen_md_entry_err_chk 2464 (adapter, entry, esize); 2465 if (rv < 0) 2466 break; 2467 buff_level += esize; 2468 break; 2469 case L1DAT: 2470 case L1INS: 2471 dbuff = dump_buff + buff_level; 2472 esize = netxen_md_L1Cache(adapter, 2473 (void *) entry, (void *) dbuff); 2474 rv = netxen_md_entry_err_chk 2475 (adapter, entry, esize); 2476 if (rv < 0) 2477 break; 2478 buff_level += esize; 2479 break; 2480 case RDOCM: 2481 dbuff = dump_buff + buff_level; 2482 esize = netxen_md_rdocm(adapter, 2483 (void *) entry, (void *) dbuff); 2484 rv = netxen_md_entry_err_chk 2485 (adapter, entry, esize); 2486 if (rv < 0) 2487 break; 2488 buff_level += esize; 2489 break; 2490 case RDMUX: 2491 dbuff = dump_buff + buff_level; 2492 esize = netxen_md_rdmux(adapter, 2493 (void *) entry, (void *) dbuff); 2494 rv = netxen_md_entry_err_chk 2495 (adapter, entry, esize); 2496 if (rv < 0) 2497 break; 2498 buff_level += esize; 2499 break; 2500 case QUEUE: 2501 dbuff = dump_buff + buff_level; 2502 esize = netxen_md_rdqueue(adapter, 2503 (void *) entry, (void *) dbuff); 2504 rv = netxen_md_entry_err_chk 2505 (adapter, entry, esize); 2506 if (rv < 0) 2507 break; 2508 buff_level += esize; 2509 break; 2510 default: 2511 entry->hdr.driver_flags |= NX_DUMP_SKIP; 2512 break; 2513 } 2514 /* Next entry in the template */ 2515 entry = (struct netxen_minidump_entry *) 2516 ((char *) entry + entry->hdr.entry_size); 2517 } 2518 if (!sane_start || sane_end > 1) { 2519 dev_err(&adapter->pdev->dev, 2520 "Firmware minidump template configuration error.\n"); 2521 } 2522 return 0; 2523 } 2524 2525 static int 2526 netxen_collect_minidump(struct netxen_adapter *adapter) 2527 { 2528 int ret = 0; 2529 struct netxen_minidump_template_hdr *hdr; 2530 struct timespec val; 2531 hdr = (struct netxen_minidump_template_hdr *) 2532 adapter->mdump.md_template; 2533 hdr->driver_capture_mask = adapter->mdump.md_capture_mask; 2534 jiffies_to_timespec(jiffies, &val); 2535 hdr->driver_timestamp = (u32) val.tv_sec; 2536 hdr->driver_info_word2 = adapter->fw_version; 2537 hdr->driver_info_word3 = NXRD32(adapter, CRB_DRIVER_VERSION); 2538 ret = netxen_parse_md_template(adapter); 2539 if (ret) 2540 return ret; 2541 2542 return ret; 2543 } 2544 2545 2546 void 2547 netxen_dump_fw(struct netxen_adapter *adapter) 2548 { 2549 struct netxen_minidump_template_hdr *hdr; 2550 int i, k, data_size = 0; 2551 u32 capture_mask; 2552 hdr = (struct netxen_minidump_template_hdr *) 2553 adapter->mdump.md_template; 2554 capture_mask = adapter->mdump.md_capture_mask; 2555 2556 for (i = 0x2, k = 1; (i & NX_DUMP_MASK_MAX); i <<= 1, k++) { 2557 if (i & capture_mask) 2558 data_size += hdr->capture_size_array[k]; 2559 } 2560 if (!data_size) { 2561 dev_err(&adapter->pdev->dev, 2562 "Invalid cap sizes for capture_mask=0x%x\n", 2563 adapter->mdump.md_capture_mask); 2564 return; 2565 } 2566 adapter->mdump.md_capture_size = data_size; 2567 adapter->mdump.md_dump_size = adapter->mdump.md_template_size + 2568 adapter->mdump.md_capture_size; 2569 if (!adapter->mdump.md_capture_buff) { 2570 adapter->mdump.md_capture_buff = 2571 vmalloc(adapter->mdump.md_dump_size); 2572 if (!adapter->mdump.md_capture_buff) { 2573 dev_info(&adapter->pdev->dev, 2574 "Unable to allocate memory for minidump " 2575 "capture_buffer(%d bytes).\n", 2576 adapter->mdump.md_dump_size); 2577 return; 2578 } 2579 memset(adapter->mdump.md_capture_buff, 0, 2580 adapter->mdump.md_dump_size); 2581 if (netxen_collect_minidump(adapter)) { 2582 adapter->mdump.has_valid_dump = 0; 2583 adapter->mdump.md_dump_size = 0; 2584 vfree(adapter->mdump.md_capture_buff); 2585 adapter->mdump.md_capture_buff = NULL; 2586 dev_err(&adapter->pdev->dev, 2587 "Error in collecting firmware minidump.\n"); 2588 } else { 2589 adapter->mdump.md_timestamp = jiffies; 2590 adapter->mdump.has_valid_dump = 1; 2591 adapter->fw_mdump_rdy = 1; 2592 dev_info(&adapter->pdev->dev, "%s Successfully " 2593 "collected fw dump.\n", adapter->netdev->name); 2594 } 2595 2596 } else { 2597 dev_info(&adapter->pdev->dev, 2598 "Cannot overwrite previously collected " 2599 "firmware minidump.\n"); 2600 adapter->fw_mdump_rdy = 1; 2601 return; 2602 } 2603 } 2604