1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (C) 2003 - 2009 NetXen, Inc. 4 * Copyright (C) 2009 - QLogic Corporation. 5 * All rights reserved. 6 */ 7 8 #include <linux/io-64-nonatomic-lo-hi.h> 9 #include <linux/slab.h> 10 #include "netxen_nic.h" 11 #include "netxen_nic_hw.h" 12 13 #include <net/ip.h> 14 15 #define MASK(n) ((1ULL<<(n))-1) 16 #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff)) 17 #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff)) 18 #define MS_WIN(addr) (addr & 0x0ffc0000) 19 20 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) 21 22 #define CRB_BLK(off) ((off >> 20) & 0x3f) 23 #define CRB_SUBBLK(off) ((off >> 16) & 0xf) 24 #define CRB_WINDOW_2M (0x130060) 25 #define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000)) 26 #define CRB_INDIRECT_2M (0x1e0000UL) 27 28 static void netxen_nic_io_write_128M(struct netxen_adapter *adapter, 29 void __iomem *addr, u32 data); 30 static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter, 31 void __iomem *addr); 32 33 #define PCI_OFFSET_FIRST_RANGE(adapter, off) \ 34 ((adapter)->ahw.pci_base0 + (off)) 35 #define PCI_OFFSET_SECOND_RANGE(adapter, off) \ 36 ((adapter)->ahw.pci_base1 + (off) - SECOND_PAGE_GROUP_START) 37 #define PCI_OFFSET_THIRD_RANGE(adapter, off) \ 38 ((adapter)->ahw.pci_base2 + (off) - THIRD_PAGE_GROUP_START) 39 40 static void __iomem *pci_base_offset(struct netxen_adapter *adapter, 41 unsigned long off) 42 { 43 if (ADDR_IN_RANGE(off, FIRST_PAGE_GROUP_START, FIRST_PAGE_GROUP_END)) 44 return PCI_OFFSET_FIRST_RANGE(adapter, off); 45 46 if (ADDR_IN_RANGE(off, SECOND_PAGE_GROUP_START, SECOND_PAGE_GROUP_END)) 47 return PCI_OFFSET_SECOND_RANGE(adapter, off); 48 49 if (ADDR_IN_RANGE(off, THIRD_PAGE_GROUP_START, THIRD_PAGE_GROUP_END)) 50 return PCI_OFFSET_THIRD_RANGE(adapter, off); 51 52 return NULL; 53 } 54 55 static crb_128M_2M_block_map_t 56 crb_128M_2M_map[64] __cacheline_aligned_in_smp = { 57 {{{0, 0, 0, 0} } }, /* 0: PCI */ 58 {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */ 59 {1, 0x0110000, 0x0120000, 0x130000}, 60 {1, 0x0120000, 0x0122000, 0x124000}, 61 {1, 0x0130000, 0x0132000, 0x126000}, 62 {1, 0x0140000, 0x0142000, 0x128000}, 63 {1, 0x0150000, 0x0152000, 0x12a000}, 64 {1, 0x0160000, 0x0170000, 0x110000}, 65 {1, 0x0170000, 0x0172000, 0x12e000}, 66 {0, 0x0000000, 0x0000000, 0x000000}, 67 {0, 0x0000000, 0x0000000, 0x000000}, 68 {0, 0x0000000, 0x0000000, 0x000000}, 69 {0, 0x0000000, 0x0000000, 0x000000}, 70 {0, 0x0000000, 0x0000000, 0x000000}, 71 {0, 0x0000000, 0x0000000, 0x000000}, 72 {1, 0x01e0000, 0x01e0800, 0x122000}, 73 {0, 0x0000000, 0x0000000, 0x000000} } }, 74 {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */ 75 {{{0, 0, 0, 0} } }, /* 3: */ 76 {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */ 77 {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */ 78 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */ 79 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */ 80 {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */ 81 {0, 0x0000000, 0x0000000, 0x000000}, 82 {0, 0x0000000, 0x0000000, 0x000000}, 83 {0, 0x0000000, 0x0000000, 0x000000}, 84 {0, 0x0000000, 0x0000000, 0x000000}, 85 {0, 0x0000000, 0x0000000, 0x000000}, 86 {0, 0x0000000, 0x0000000, 0x000000}, 87 {0, 0x0000000, 0x0000000, 0x000000}, 88 {0, 0x0000000, 0x0000000, 0x000000}, 89 {0, 0x0000000, 0x0000000, 0x000000}, 90 {0, 0x0000000, 0x0000000, 0x000000}, 91 {0, 0x0000000, 0x0000000, 0x000000}, 92 {0, 0x0000000, 0x0000000, 0x000000}, 93 {0, 0x0000000, 0x0000000, 0x000000}, 94 {0, 0x0000000, 0x0000000, 0x000000}, 95 {1, 0x08f0000, 0x08f2000, 0x172000} } }, 96 {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/ 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 {0, 0x0000000, 0x0000000, 0x000000}, 104 {0, 0x0000000, 0x0000000, 0x000000}, 105 {0, 0x0000000, 0x0000000, 0x000000}, 106 {0, 0x0000000, 0x0000000, 0x000000}, 107 {0, 0x0000000, 0x0000000, 0x000000}, 108 {0, 0x0000000, 0x0000000, 0x000000}, 109 {0, 0x0000000, 0x0000000, 0x000000}, 110 {0, 0x0000000, 0x0000000, 0x000000}, 111 {1, 0x09f0000, 0x09f2000, 0x176000} } }, 112 {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/ 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 {0, 0x0000000, 0x0000000, 0x000000}, 127 {1, 0x0af0000, 0x0af2000, 0x17a000} } }, 128 {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/ 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 {0, 0x0000000, 0x0000000, 0x000000}, 143 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, 144 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */ 145 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */ 146 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */ 147 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */ 148 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */ 149 {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */ 150 {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */ 151 {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */ 152 {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */ 153 {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */ 154 {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */ 155 {{{0, 0, 0, 0} } }, /* 23: */ 156 {{{0, 0, 0, 0} } }, /* 24: */ 157 {{{0, 0, 0, 0} } }, /* 25: */ 158 {{{0, 0, 0, 0} } }, /* 26: */ 159 {{{0, 0, 0, 0} } }, /* 27: */ 160 {{{0, 0, 0, 0} } }, /* 28: */ 161 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */ 162 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */ 163 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */ 164 {{{0} } }, /* 32: PCI */ 165 {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */ 166 {1, 0x2110000, 0x2120000, 0x130000}, 167 {1, 0x2120000, 0x2122000, 0x124000}, 168 {1, 0x2130000, 0x2132000, 0x126000}, 169 {1, 0x2140000, 0x2142000, 0x128000}, 170 {1, 0x2150000, 0x2152000, 0x12a000}, 171 {1, 0x2160000, 0x2170000, 0x110000}, 172 {1, 0x2170000, 0x2172000, 0x12e000}, 173 {0, 0x0000000, 0x0000000, 0x000000}, 174 {0, 0x0000000, 0x0000000, 0x000000}, 175 {0, 0x0000000, 0x0000000, 0x000000}, 176 {0, 0x0000000, 0x0000000, 0x000000}, 177 {0, 0x0000000, 0x0000000, 0x000000}, 178 {0, 0x0000000, 0x0000000, 0x000000}, 179 {0, 0x0000000, 0x0000000, 0x000000}, 180 {0, 0x0000000, 0x0000000, 0x000000} } }, 181 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */ 182 {{{0} } }, /* 35: */ 183 {{{0} } }, /* 36: */ 184 {{{0} } }, /* 37: */ 185 {{{0} } }, /* 38: */ 186 {{{0} } }, /* 39: */ 187 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */ 188 {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */ 189 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */ 190 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */ 191 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */ 192 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */ 193 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */ 194 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */ 195 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */ 196 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */ 197 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */ 198 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */ 199 {{{0} } }, /* 52: */ 200 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */ 201 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */ 202 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */ 203 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */ 204 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */ 205 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */ 206 {{{0} } }, /* 59: I2C0 */ 207 {{{0} } }, /* 60: I2C1 */ 208 {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */ 209 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */ 210 {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */ 211 }; 212 213 /* 214 * top 12 bits of crb internal address (hub, agent) 215 */ 216 static unsigned crb_hub_agt[64] = 217 { 218 0, 219 NETXEN_HW_CRB_HUB_AGT_ADR_PS, 220 NETXEN_HW_CRB_HUB_AGT_ADR_MN, 221 NETXEN_HW_CRB_HUB_AGT_ADR_MS, 222 0, 223 NETXEN_HW_CRB_HUB_AGT_ADR_SRE, 224 NETXEN_HW_CRB_HUB_AGT_ADR_NIU, 225 NETXEN_HW_CRB_HUB_AGT_ADR_QMN, 226 NETXEN_HW_CRB_HUB_AGT_ADR_SQN0, 227 NETXEN_HW_CRB_HUB_AGT_ADR_SQN1, 228 NETXEN_HW_CRB_HUB_AGT_ADR_SQN2, 229 NETXEN_HW_CRB_HUB_AGT_ADR_SQN3, 230 NETXEN_HW_CRB_HUB_AGT_ADR_I2Q, 231 NETXEN_HW_CRB_HUB_AGT_ADR_TIMR, 232 NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB, 233 NETXEN_HW_CRB_HUB_AGT_ADR_PGN4, 234 NETXEN_HW_CRB_HUB_AGT_ADR_XDMA, 235 NETXEN_HW_CRB_HUB_AGT_ADR_PGN0, 236 NETXEN_HW_CRB_HUB_AGT_ADR_PGN1, 237 NETXEN_HW_CRB_HUB_AGT_ADR_PGN2, 238 NETXEN_HW_CRB_HUB_AGT_ADR_PGN3, 239 NETXEN_HW_CRB_HUB_AGT_ADR_PGND, 240 NETXEN_HW_CRB_HUB_AGT_ADR_PGNI, 241 NETXEN_HW_CRB_HUB_AGT_ADR_PGS0, 242 NETXEN_HW_CRB_HUB_AGT_ADR_PGS1, 243 NETXEN_HW_CRB_HUB_AGT_ADR_PGS2, 244 NETXEN_HW_CRB_HUB_AGT_ADR_PGS3, 245 0, 246 NETXEN_HW_CRB_HUB_AGT_ADR_PGSI, 247 NETXEN_HW_CRB_HUB_AGT_ADR_SN, 248 0, 249 NETXEN_HW_CRB_HUB_AGT_ADR_EG, 250 0, 251 NETXEN_HW_CRB_HUB_AGT_ADR_PS, 252 NETXEN_HW_CRB_HUB_AGT_ADR_CAM, 253 0, 254 0, 255 0, 256 0, 257 0, 258 NETXEN_HW_CRB_HUB_AGT_ADR_TIMR, 259 0, 260 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX1, 261 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX2, 262 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX3, 263 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX4, 264 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX5, 265 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX6, 266 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX7, 267 NETXEN_HW_CRB_HUB_AGT_ADR_XDMA, 268 NETXEN_HW_CRB_HUB_AGT_ADR_I2Q, 269 NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB, 270 0, 271 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX0, 272 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX8, 273 NETXEN_HW_CRB_HUB_AGT_ADR_RPMX9, 274 NETXEN_HW_CRB_HUB_AGT_ADR_OCM0, 275 0, 276 NETXEN_HW_CRB_HUB_AGT_ADR_SMB, 277 NETXEN_HW_CRB_HUB_AGT_ADR_I2C0, 278 NETXEN_HW_CRB_HUB_AGT_ADR_I2C1, 279 0, 280 NETXEN_HW_CRB_HUB_AGT_ADR_PGNC, 281 0, 282 }; 283 284 /* PCI Windowing for DDR regions. */ 285 286 #define NETXEN_WINDOW_ONE 0x2000000 /*CRB Window: bit 25 of CRB address */ 287 288 #define NETXEN_PCIE_SEM_TIMEOUT 10000 289 290 static int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu); 291 292 int 293 netxen_pcie_sem_lock(struct netxen_adapter *adapter, int sem, u32 id_reg) 294 { 295 int done = 0, timeout = 0; 296 297 while (!done) { 298 done = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_LOCK(sem))); 299 if (done == 1) 300 break; 301 if (++timeout >= NETXEN_PCIE_SEM_TIMEOUT) 302 return -EIO; 303 msleep(1); 304 } 305 306 if (id_reg) 307 NXWR32(adapter, id_reg, adapter->portnum); 308 309 return 0; 310 } 311 312 void 313 netxen_pcie_sem_unlock(struct netxen_adapter *adapter, int sem) 314 { 315 NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM_UNLOCK(sem))); 316 } 317 318 static int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port) 319 { 320 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { 321 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_1+(0x10000*port), 0x1447); 322 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0+(0x10000*port), 0x5); 323 } 324 325 return 0; 326 } 327 328 /* Disable an XG interface */ 329 static int netxen_niu_disable_xg_port(struct netxen_adapter *adapter) 330 { 331 __u32 mac_cfg; 332 u32 port = adapter->physical_port; 333 334 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) 335 return 0; 336 337 if (port >= NETXEN_NIU_MAX_XG_PORTS) 338 return -EINVAL; 339 340 mac_cfg = 0; 341 if (NXWR32(adapter, 342 NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg)) 343 return -EIO; 344 return 0; 345 } 346 347 #define NETXEN_UNICAST_ADDR(port, index) \ 348 (NETXEN_UNICAST_ADDR_BASE+(port*32)+(index*8)) 349 #define NETXEN_MCAST_ADDR(port, index) \ 350 (NETXEN_MULTICAST_ADDR_BASE+(port*0x80)+(index*8)) 351 #define MAC_HI(addr) \ 352 ((addr[2] << 16) | (addr[1] << 8) | (addr[0])) 353 #define MAC_LO(addr) \ 354 ((addr[5] << 16) | (addr[4] << 8) | (addr[3])) 355 356 static int netxen_p2_nic_set_promisc(struct netxen_adapter *adapter, u32 mode) 357 { 358 u32 mac_cfg; 359 u32 cnt = 0; 360 __u32 reg = 0x0200; 361 u32 port = adapter->physical_port; 362 u16 board_type = adapter->ahw.board_type; 363 364 if (port >= NETXEN_NIU_MAX_XG_PORTS) 365 return -EINVAL; 366 367 mac_cfg = NXRD32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port)); 368 mac_cfg &= ~0x4; 369 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg); 370 371 if ((board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) || 372 (board_type == NETXEN_BRDTYPE_P2_SB31_10G_HMEZ)) 373 reg = (0x20 << port); 374 375 NXWR32(adapter, NETXEN_NIU_FRAME_COUNT_SELECT, reg); 376 377 mdelay(10); 378 379 while (NXRD32(adapter, NETXEN_NIU_FRAME_COUNT) && ++cnt < 20) 380 mdelay(10); 381 382 if (cnt < 20) { 383 384 reg = NXRD32(adapter, 385 NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port)); 386 387 if (mode == NETXEN_NIU_PROMISC_MODE) 388 reg = (reg | 0x2000UL); 389 else 390 reg = (reg & ~0x2000UL); 391 392 if (mode == NETXEN_NIU_ALLMULTI_MODE) 393 reg = (reg | 0x1000UL); 394 else 395 reg = (reg & ~0x1000UL); 396 397 NXWR32(adapter, 398 NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), reg); 399 } 400 401 mac_cfg |= 0x4; 402 NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg); 403 404 return 0; 405 } 406 407 static int netxen_p2_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr) 408 { 409 u32 mac_hi, mac_lo; 410 u32 reg_hi, reg_lo; 411 412 u8 phy = adapter->physical_port; 413 414 if (phy >= NETXEN_NIU_MAX_XG_PORTS) 415 return -EINVAL; 416 417 mac_lo = ((u32)addr[0] << 16) | ((u32)addr[1] << 24); 418 mac_hi = addr[2] | ((u32)addr[3] << 8) | 419 ((u32)addr[4] << 16) | ((u32)addr[5] << 24); 420 421 reg_lo = NETXEN_NIU_XGE_STATION_ADDR_0_1 + (0x10000 * phy); 422 reg_hi = NETXEN_NIU_XGE_STATION_ADDR_0_HI + (0x10000 * phy); 423 424 /* write twice to flush */ 425 if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi)) 426 return -EIO; 427 if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi)) 428 return -EIO; 429 430 return 0; 431 } 432 433 static int 434 netxen_nic_enable_mcast_filter(struct netxen_adapter *adapter) 435 { 436 u32 val = 0; 437 u16 port = adapter->physical_port; 438 u8 *addr = adapter->mac_addr; 439 440 if (adapter->mc_enabled) 441 return 0; 442 443 val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG); 444 val |= (1UL << (28+port)); 445 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val); 446 447 /* add broadcast addr to filter */ 448 val = 0xffffff; 449 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val); 450 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val); 451 452 /* add station addr to filter */ 453 val = MAC_HI(addr); 454 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), val); 455 val = MAC_LO(addr); 456 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, val); 457 458 adapter->mc_enabled = 1; 459 return 0; 460 } 461 462 static int 463 netxen_nic_disable_mcast_filter(struct netxen_adapter *adapter) 464 { 465 u32 val = 0; 466 u16 port = adapter->physical_port; 467 u8 *addr = adapter->mac_addr; 468 469 if (!adapter->mc_enabled) 470 return 0; 471 472 val = NXRD32(adapter, NETXEN_MAC_ADDR_CNTL_REG); 473 val &= ~(1UL << (28+port)); 474 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val); 475 476 val = MAC_HI(addr); 477 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0), val); 478 val = MAC_LO(addr); 479 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 0)+4, val); 480 481 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1), 0); 482 NXWR32(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, 0); 483 484 adapter->mc_enabled = 0; 485 return 0; 486 } 487 488 static int 489 netxen_nic_set_mcast_addr(struct netxen_adapter *adapter, 490 int index, u8 *addr) 491 { 492 u32 hi = 0, lo = 0; 493 u16 port = adapter->physical_port; 494 495 lo = MAC_LO(addr); 496 hi = MAC_HI(addr); 497 498 NXWR32(adapter, NETXEN_MCAST_ADDR(port, index), hi); 499 NXWR32(adapter, NETXEN_MCAST_ADDR(port, index)+4, lo); 500 501 return 0; 502 } 503 504 static void netxen_p2_nic_set_multi(struct net_device *netdev) 505 { 506 struct netxen_adapter *adapter = netdev_priv(netdev); 507 struct netdev_hw_addr *ha; 508 u8 null_addr[ETH_ALEN]; 509 int i; 510 511 eth_zero_addr(null_addr); 512 513 if (netdev->flags & IFF_PROMISC) { 514 515 adapter->set_promisc(adapter, 516 NETXEN_NIU_PROMISC_MODE); 517 518 /* Full promiscuous mode */ 519 netxen_nic_disable_mcast_filter(adapter); 520 521 return; 522 } 523 524 if (netdev_mc_empty(netdev)) { 525 adapter->set_promisc(adapter, 526 NETXEN_NIU_NON_PROMISC_MODE); 527 netxen_nic_disable_mcast_filter(adapter); 528 return; 529 } 530 531 adapter->set_promisc(adapter, NETXEN_NIU_ALLMULTI_MODE); 532 if (netdev->flags & IFF_ALLMULTI || 533 netdev_mc_count(netdev) > adapter->max_mc_count) { 534 netxen_nic_disable_mcast_filter(adapter); 535 return; 536 } 537 538 netxen_nic_enable_mcast_filter(adapter); 539 540 i = 0; 541 netdev_for_each_mc_addr(ha, netdev) 542 netxen_nic_set_mcast_addr(adapter, i++, ha->addr); 543 544 /* Clear out remaining addresses */ 545 while (i < adapter->max_mc_count) 546 netxen_nic_set_mcast_addr(adapter, i++, null_addr); 547 } 548 549 static int 550 netxen_send_cmd_descs(struct netxen_adapter *adapter, 551 struct cmd_desc_type0 *cmd_desc_arr, int nr_desc) 552 { 553 u32 i, producer; 554 struct netxen_cmd_buffer *pbuf; 555 struct nx_host_tx_ring *tx_ring; 556 557 i = 0; 558 559 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) 560 return -EIO; 561 562 tx_ring = adapter->tx_ring; 563 __netif_tx_lock_bh(tx_ring->txq); 564 565 producer = tx_ring->producer; 566 567 if (nr_desc >= netxen_tx_avail(tx_ring)) { 568 netif_tx_stop_queue(tx_ring->txq); 569 smp_mb(); 570 if (netxen_tx_avail(tx_ring) > nr_desc) { 571 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH) 572 netif_tx_wake_queue(tx_ring->txq); 573 } else { 574 __netif_tx_unlock_bh(tx_ring->txq); 575 return -EBUSY; 576 } 577 } 578 579 do { 580 pbuf = &tx_ring->cmd_buf_arr[producer]; 581 pbuf->skb = NULL; 582 pbuf->frag_count = 0; 583 584 memcpy(&tx_ring->desc_head[producer], 585 &cmd_desc_arr[i], sizeof(struct cmd_desc_type0)); 586 587 producer = get_next_index(producer, tx_ring->num_desc); 588 i++; 589 590 } while (i != nr_desc); 591 592 tx_ring->producer = producer; 593 594 netxen_nic_update_cmd_producer(adapter, tx_ring); 595 596 __netif_tx_unlock_bh(tx_ring->txq); 597 598 return 0; 599 } 600 601 static int 602 nx_p3_sre_macaddr_change(struct netxen_adapter *adapter, u8 *addr, unsigned op) 603 { 604 nx_nic_req_t req; 605 nx_mac_req_t *mac_req; 606 u64 word; 607 608 memset(&req, 0, sizeof(nx_nic_req_t)); 609 req.qhdr = cpu_to_le64(NX_NIC_REQUEST << 23); 610 611 word = NX_MAC_EVENT | ((u64)adapter->portnum << 16); 612 req.req_hdr = cpu_to_le64(word); 613 614 mac_req = (nx_mac_req_t *)&req.words[0]; 615 mac_req->op = op; 616 memcpy(mac_req->mac_addr, addr, ETH_ALEN); 617 618 return netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 619 } 620 621 static int nx_p3_nic_add_mac(struct netxen_adapter *adapter, 622 const u8 *addr, struct list_head *del_list) 623 { 624 struct list_head *head; 625 nx_mac_list_t *cur; 626 627 /* look up if already exists */ 628 list_for_each(head, del_list) { 629 cur = list_entry(head, nx_mac_list_t, list); 630 631 if (ether_addr_equal(addr, cur->mac_addr)) { 632 list_move_tail(head, &adapter->mac_list); 633 return 0; 634 } 635 } 636 637 cur = kzalloc(sizeof(nx_mac_list_t), GFP_ATOMIC); 638 if (cur == NULL) 639 return -ENOMEM; 640 641 memcpy(cur->mac_addr, addr, ETH_ALEN); 642 list_add_tail(&cur->list, &adapter->mac_list); 643 return nx_p3_sre_macaddr_change(adapter, 644 cur->mac_addr, NETXEN_MAC_ADD); 645 } 646 647 static void netxen_p3_nic_set_multi(struct net_device *netdev) 648 { 649 struct netxen_adapter *adapter = netdev_priv(netdev); 650 struct netdev_hw_addr *ha; 651 static const u8 bcast_addr[ETH_ALEN] = { 652 0xff, 0xff, 0xff, 0xff, 0xff, 0xff 653 }; 654 u32 mode = VPORT_MISS_MODE_DROP; 655 LIST_HEAD(del_list); 656 struct list_head *head; 657 nx_mac_list_t *cur; 658 659 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) 660 return; 661 662 list_splice_tail_init(&adapter->mac_list, &del_list); 663 664 nx_p3_nic_add_mac(adapter, adapter->mac_addr, &del_list); 665 nx_p3_nic_add_mac(adapter, bcast_addr, &del_list); 666 667 if (netdev->flags & IFF_PROMISC) { 668 mode = VPORT_MISS_MODE_ACCEPT_ALL; 669 goto send_fw_cmd; 670 } 671 672 if ((netdev->flags & IFF_ALLMULTI) || 673 (netdev_mc_count(netdev) > adapter->max_mc_count)) { 674 mode = VPORT_MISS_MODE_ACCEPT_MULTI; 675 goto send_fw_cmd; 676 } 677 678 if (!netdev_mc_empty(netdev)) { 679 netdev_for_each_mc_addr(ha, netdev) 680 nx_p3_nic_add_mac(adapter, ha->addr, &del_list); 681 } 682 683 send_fw_cmd: 684 adapter->set_promisc(adapter, mode); 685 head = &del_list; 686 while (!list_empty(head)) { 687 cur = list_entry(head->next, nx_mac_list_t, list); 688 689 nx_p3_sre_macaddr_change(adapter, 690 cur->mac_addr, NETXEN_MAC_DEL); 691 list_del(&cur->list); 692 kfree(cur); 693 } 694 } 695 696 static int netxen_p3_nic_set_promisc(struct netxen_adapter *adapter, u32 mode) 697 { 698 nx_nic_req_t req; 699 u64 word; 700 701 memset(&req, 0, sizeof(nx_nic_req_t)); 702 703 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 704 705 word = NX_NIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE | 706 ((u64)adapter->portnum << 16); 707 req.req_hdr = cpu_to_le64(word); 708 709 req.words[0] = cpu_to_le64(mode); 710 711 return netxen_send_cmd_descs(adapter, 712 (struct cmd_desc_type0 *)&req, 1); 713 } 714 715 void netxen_p3_free_mac_list(struct netxen_adapter *adapter) 716 { 717 nx_mac_list_t *cur; 718 struct list_head *head = &adapter->mac_list; 719 720 while (!list_empty(head)) { 721 cur = list_entry(head->next, nx_mac_list_t, list); 722 nx_p3_sre_macaddr_change(adapter, 723 cur->mac_addr, NETXEN_MAC_DEL); 724 list_del(&cur->list); 725 kfree(cur); 726 } 727 } 728 729 static int netxen_p3_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr) 730 { 731 /* assuming caller has already copied new addr to netdev */ 732 netxen_p3_nic_set_multi(adapter->netdev); 733 return 0; 734 } 735 736 #define NETXEN_CONFIG_INTR_COALESCE 3 737 738 /* 739 * Send the interrupt coalescing parameter set by ethtool to the card. 740 */ 741 int netxen_config_intr_coalesce(struct netxen_adapter *adapter) 742 { 743 nx_nic_req_t req; 744 u64 word[6]; 745 int rv, i; 746 747 memset(&req, 0, sizeof(nx_nic_req_t)); 748 memset(word, 0, sizeof(word)); 749 750 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 751 752 word[0] = NETXEN_CONFIG_INTR_COALESCE | ((u64)adapter->portnum << 16); 753 req.req_hdr = cpu_to_le64(word[0]); 754 755 memcpy(&word[0], &adapter->coal, sizeof(adapter->coal)); 756 for (i = 0; i < 6; i++) 757 req.words[i] = cpu_to_le64(word[i]); 758 759 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 760 if (rv != 0) { 761 printk(KERN_ERR "ERROR. Could not send " 762 "interrupt coalescing parameters\n"); 763 } 764 765 return rv; 766 } 767 768 int netxen_config_hw_lro(struct netxen_adapter *adapter, int enable) 769 { 770 nx_nic_req_t req; 771 u64 word; 772 int rv = 0; 773 774 if (!test_bit(__NX_FW_ATTACHED, &adapter->state)) 775 return 0; 776 777 memset(&req, 0, sizeof(nx_nic_req_t)); 778 779 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 780 781 word = NX_NIC_H2C_OPCODE_CONFIG_HW_LRO | ((u64)adapter->portnum << 16); 782 req.req_hdr = cpu_to_le64(word); 783 784 req.words[0] = cpu_to_le64(enable); 785 786 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 787 if (rv != 0) { 788 printk(KERN_ERR "ERROR. Could not send " 789 "configure hw lro request\n"); 790 } 791 792 return rv; 793 } 794 795 int netxen_config_bridged_mode(struct netxen_adapter *adapter, int enable) 796 { 797 nx_nic_req_t req; 798 u64 word; 799 int rv = 0; 800 801 if (!!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED) == enable) 802 return rv; 803 804 memset(&req, 0, sizeof(nx_nic_req_t)); 805 806 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 807 808 word = NX_NIC_H2C_OPCODE_CONFIG_BRIDGING | 809 ((u64)adapter->portnum << 16); 810 req.req_hdr = cpu_to_le64(word); 811 812 req.words[0] = cpu_to_le64(enable); 813 814 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 815 if (rv != 0) { 816 printk(KERN_ERR "ERROR. Could not send " 817 "configure bridge mode request\n"); 818 } 819 820 adapter->flags ^= NETXEN_NIC_BRIDGE_ENABLED; 821 822 return rv; 823 } 824 825 826 #define RSS_HASHTYPE_IP_TCP 0x3 827 828 int netxen_config_rss(struct netxen_adapter *adapter, int enable) 829 { 830 nx_nic_req_t req; 831 u64 word; 832 int i, rv; 833 834 static const u64 key[] = { 835 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL, 836 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL, 837 0x255b0ec26d5a56daULL 838 }; 839 840 841 memset(&req, 0, sizeof(nx_nic_req_t)); 842 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 843 844 word = NX_NIC_H2C_OPCODE_CONFIG_RSS | ((u64)adapter->portnum << 16); 845 req.req_hdr = cpu_to_le64(word); 846 847 /* 848 * RSS request: 849 * bits 3-0: hash_method 850 * 5-4: hash_type_ipv4 851 * 7-6: hash_type_ipv6 852 * 8: enable 853 * 9: use indirection table 854 * 47-10: reserved 855 * 63-48: indirection table mask 856 */ 857 word = ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) | 858 ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) | 859 ((u64)(enable & 0x1) << 8) | 860 ((0x7ULL) << 48); 861 req.words[0] = cpu_to_le64(word); 862 for (i = 0; i < ARRAY_SIZE(key); i++) 863 req.words[i+1] = cpu_to_le64(key[i]); 864 865 866 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 867 if (rv != 0) { 868 printk(KERN_ERR "%s: could not configure RSS\n", 869 adapter->netdev->name); 870 } 871 872 return rv; 873 } 874 875 int netxen_config_ipaddr(struct netxen_adapter *adapter, __be32 ip, int cmd) 876 { 877 nx_nic_req_t req; 878 u64 word; 879 int rv; 880 881 memset(&req, 0, sizeof(nx_nic_req_t)); 882 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 883 884 word = NX_NIC_H2C_OPCODE_CONFIG_IPADDR | ((u64)adapter->portnum << 16); 885 req.req_hdr = cpu_to_le64(word); 886 887 req.words[0] = cpu_to_le64(cmd); 888 memcpy(&req.words[1], &ip, sizeof(u32)); 889 890 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 891 if (rv != 0) { 892 printk(KERN_ERR "%s: could not notify %s IP 0x%x request\n", 893 adapter->netdev->name, 894 (cmd == NX_IP_UP) ? "Add" : "Remove", ip); 895 } 896 return rv; 897 } 898 899 int netxen_linkevent_request(struct netxen_adapter *adapter, int enable) 900 { 901 nx_nic_req_t req; 902 u64 word; 903 int rv; 904 905 memset(&req, 0, sizeof(nx_nic_req_t)); 906 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 907 908 word = NX_NIC_H2C_OPCODE_GET_LINKEVENT | ((u64)adapter->portnum << 16); 909 req.req_hdr = cpu_to_le64(word); 910 req.words[0] = cpu_to_le64(enable | (enable << 8)); 911 912 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 913 if (rv != 0) { 914 printk(KERN_ERR "%s: could not configure link notification\n", 915 adapter->netdev->name); 916 } 917 918 return rv; 919 } 920 921 int netxen_send_lro_cleanup(struct netxen_adapter *adapter) 922 { 923 nx_nic_req_t req; 924 u64 word; 925 int rv; 926 927 if (!test_bit(__NX_FW_ATTACHED, &adapter->state)) 928 return 0; 929 930 memset(&req, 0, sizeof(nx_nic_req_t)); 931 req.qhdr = cpu_to_le64(NX_HOST_REQUEST << 23); 932 933 word = NX_NIC_H2C_OPCODE_LRO_REQUEST | 934 ((u64)adapter->portnum << 16) | 935 ((u64)NX_NIC_LRO_REQUEST_CLEANUP << 56) ; 936 937 req.req_hdr = cpu_to_le64(word); 938 939 rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); 940 if (rv != 0) { 941 printk(KERN_ERR "%s: could not cleanup lro flows\n", 942 adapter->netdev->name); 943 } 944 return rv; 945 } 946 947 /* 948 * netxen_nic_change_mtu - Change the Maximum Transfer Unit 949 * @returns 0 on success, negative on failure 950 */ 951 952 #define MTU_FUDGE_FACTOR 100 953 954 int netxen_nic_change_mtu(struct net_device *netdev, int mtu) 955 { 956 struct netxen_adapter *adapter = netdev_priv(netdev); 957 int rc = 0; 958 959 if (adapter->set_mtu) 960 rc = adapter->set_mtu(adapter, mtu); 961 962 if (!rc) 963 WRITE_ONCE(netdev->mtu, mtu); 964 965 return rc; 966 } 967 968 static int netxen_get_flash_block(struct netxen_adapter *adapter, int base, 969 int size, __le32 * buf) 970 { 971 int i, v, addr; 972 __le32 *ptr32; 973 int ret; 974 975 addr = base; 976 ptr32 = buf; 977 for (i = 0; i < size / sizeof(u32); i++) { 978 ret = netxen_rom_fast_read(adapter, addr, &v); 979 if (ret) 980 return ret; 981 982 *ptr32 = cpu_to_le32(v); 983 ptr32++; 984 addr += sizeof(u32); 985 } 986 if ((char *)buf + size > (char *)ptr32) { 987 __le32 local; 988 ret = netxen_rom_fast_read(adapter, addr, &v); 989 if (ret) 990 return ret; 991 local = cpu_to_le32(v); 992 memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32); 993 } 994 995 return 0; 996 } 997 998 int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 *mac) 999 { 1000 __le32 *pmac = (__le32 *) mac; 1001 u32 offset; 1002 1003 offset = NX_FW_MAC_ADDR_OFFSET + (adapter->portnum * sizeof(u64)); 1004 1005 if (netxen_get_flash_block(adapter, offset, sizeof(u64), pmac) == -1) 1006 return -1; 1007 1008 if (*mac == ~0ULL) { 1009 1010 offset = NX_OLD_MAC_ADDR_OFFSET + 1011 (adapter->portnum * sizeof(u64)); 1012 1013 if (netxen_get_flash_block(adapter, 1014 offset, sizeof(u64), pmac) == -1) 1015 return -1; 1016 1017 if (*mac == ~0ULL) 1018 return -1; 1019 } 1020 return 0; 1021 } 1022 1023 int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, u64 *mac) 1024 { 1025 uint32_t crbaddr, mac_hi, mac_lo; 1026 int pci_func = adapter->ahw.pci_func; 1027 1028 crbaddr = CRB_MAC_BLOCK_START + 1029 (4 * ((pci_func/2) * 3)) + (4 * (pci_func & 1)); 1030 1031 mac_lo = NXRD32(adapter, crbaddr); 1032 mac_hi = NXRD32(adapter, crbaddr+4); 1033 1034 if (pci_func & 1) 1035 *mac = le64_to_cpu((mac_lo >> 16) | ((u64)mac_hi << 16)); 1036 else 1037 *mac = le64_to_cpu((u64)mac_lo | ((u64)mac_hi << 32)); 1038 1039 return 0; 1040 } 1041 1042 /* 1043 * Changes the CRB window to the specified window. 1044 */ 1045 static void 1046 netxen_nic_pci_set_crbwindow_128M(struct netxen_adapter *adapter, 1047 u32 window) 1048 { 1049 void __iomem *offset; 1050 int count = 10; 1051 u8 func = adapter->ahw.pci_func; 1052 1053 if (adapter->ahw.crb_win == window) 1054 return; 1055 1056 offset = PCI_OFFSET_SECOND_RANGE(adapter, 1057 NETXEN_PCIX_PH_REG(PCIE_CRB_WINDOW_REG(func))); 1058 1059 writel(window, offset); 1060 do { 1061 if (window == readl(offset)) 1062 break; 1063 1064 if (printk_ratelimit()) 1065 dev_warn(&adapter->pdev->dev, 1066 "failed to set CRB window to %d\n", 1067 (window == NETXEN_WINDOW_ONE)); 1068 udelay(1); 1069 1070 } while (--count > 0); 1071 1072 if (count > 0) 1073 adapter->ahw.crb_win = window; 1074 } 1075 1076 /* 1077 * Returns < 0 if off is not valid, 1078 * 1 if window access is needed. 'off' is set to offset from 1079 * CRB space in 128M pci map 1080 * 0 if no window access is needed. 'off' is set to 2M addr 1081 * In: 'off' is offset from base in 128M pci map 1082 */ 1083 static int 1084 netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter, 1085 ulong off, void __iomem **addr) 1086 { 1087 crb_128M_2M_sub_block_map_t *m; 1088 1089 1090 if ((off >= NETXEN_CRB_MAX) || (off < NETXEN_PCI_CRBSPACE)) 1091 return -EINVAL; 1092 1093 off -= NETXEN_PCI_CRBSPACE; 1094 1095 /* 1096 * Try direct map 1097 */ 1098 m = &crb_128M_2M_map[CRB_BLK(off)].sub_block[CRB_SUBBLK(off)]; 1099 1100 if (m->valid && (m->start_128M <= off) && (m->end_128M > off)) { 1101 *addr = adapter->ahw.pci_base0 + m->start_2M + 1102 (off - m->start_128M); 1103 return 0; 1104 } 1105 1106 /* 1107 * Not in direct map, use crb window 1108 */ 1109 *addr = adapter->ahw.pci_base0 + CRB_INDIRECT_2M + 1110 (off & MASK(16)); 1111 return 1; 1112 } 1113 1114 /* 1115 * In: 'off' is offset from CRB space in 128M pci map 1116 * Out: 'off' is 2M pci map addr 1117 * side effect: lock crb window 1118 */ 1119 static void 1120 netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong off) 1121 { 1122 u32 window; 1123 void __iomem *addr = adapter->ahw.pci_base0 + CRB_WINDOW_2M; 1124 1125 off -= NETXEN_PCI_CRBSPACE; 1126 1127 window = CRB_HI(off); 1128 1129 writel(window, addr); 1130 if (readl(addr) != window) { 1131 if (printk_ratelimit()) 1132 dev_warn(&adapter->pdev->dev, 1133 "failed to set CRB window to %d off 0x%lx\n", 1134 window, off); 1135 } 1136 } 1137 1138 static void __iomem * 1139 netxen_nic_map_indirect_address_128M(struct netxen_adapter *adapter, 1140 ulong win_off, void __iomem **mem_ptr) 1141 { 1142 ulong off = win_off; 1143 void __iomem *addr; 1144 resource_size_t mem_base; 1145 1146 if (ADDR_IN_WINDOW1(win_off)) 1147 off = NETXEN_CRB_NORMAL(win_off); 1148 1149 addr = pci_base_offset(adapter, off); 1150 if (addr) 1151 return addr; 1152 1153 if (adapter->ahw.pci_len0 == 0) 1154 off -= NETXEN_PCI_CRBSPACE; 1155 1156 mem_base = pci_resource_start(adapter->pdev, 0); 1157 *mem_ptr = ioremap(mem_base + (off & PAGE_MASK), PAGE_SIZE); 1158 if (*mem_ptr) 1159 addr = *mem_ptr + (off & (PAGE_SIZE - 1)); 1160 1161 return addr; 1162 } 1163 1164 static int 1165 netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, u32 data) 1166 { 1167 unsigned long flags; 1168 void __iomem *addr, *mem_ptr = NULL; 1169 1170 addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr); 1171 if (!addr) 1172 return -EIO; 1173 1174 if (ADDR_IN_WINDOW1(off)) { /* Window 1 */ 1175 netxen_nic_io_write_128M(adapter, addr, data); 1176 } else { /* Window 0 */ 1177 write_lock_irqsave(&adapter->ahw.crb_lock, flags); 1178 netxen_nic_pci_set_crbwindow_128M(adapter, 0); 1179 writel(data, addr); 1180 netxen_nic_pci_set_crbwindow_128M(adapter, 1181 NETXEN_WINDOW_ONE); 1182 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); 1183 } 1184 1185 if (mem_ptr) 1186 iounmap(mem_ptr); 1187 1188 return 0; 1189 } 1190 1191 static u32 1192 netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off) 1193 { 1194 unsigned long flags; 1195 void __iomem *addr, *mem_ptr = NULL; 1196 u32 data; 1197 1198 addr = netxen_nic_map_indirect_address_128M(adapter, off, &mem_ptr); 1199 if (!addr) 1200 return -EIO; 1201 1202 if (ADDR_IN_WINDOW1(off)) { /* Window 1 */ 1203 data = netxen_nic_io_read_128M(adapter, addr); 1204 } else { /* Window 0 */ 1205 write_lock_irqsave(&adapter->ahw.crb_lock, flags); 1206 netxen_nic_pci_set_crbwindow_128M(adapter, 0); 1207 data = readl(addr); 1208 netxen_nic_pci_set_crbwindow_128M(adapter, 1209 NETXEN_WINDOW_ONE); 1210 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); 1211 } 1212 1213 if (mem_ptr) 1214 iounmap(mem_ptr); 1215 1216 return data; 1217 } 1218 1219 static int 1220 netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, ulong off, u32 data) 1221 { 1222 unsigned long flags; 1223 int rv; 1224 void __iomem *addr = NULL; 1225 1226 rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr); 1227 1228 if (rv == 0) { 1229 writel(data, addr); 1230 return 0; 1231 } 1232 1233 if (rv > 0) { 1234 /* indirect access */ 1235 write_lock_irqsave(&adapter->ahw.crb_lock, flags); 1236 crb_win_lock(adapter); 1237 netxen_nic_pci_set_crbwindow_2M(adapter, off); 1238 writel(data, addr); 1239 crb_win_unlock(adapter); 1240 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); 1241 return 0; 1242 } 1243 1244 dev_err(&adapter->pdev->dev, 1245 "%s: invalid offset: 0x%016lx\n", __func__, off); 1246 dump_stack(); 1247 return -EIO; 1248 } 1249 1250 static u32 1251 netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off) 1252 { 1253 unsigned long flags; 1254 int rv; 1255 u32 data; 1256 void __iomem *addr = NULL; 1257 1258 rv = netxen_nic_pci_get_crb_addr_2M(adapter, off, &addr); 1259 1260 if (rv == 0) 1261 return readl(addr); 1262 1263 if (rv > 0) { 1264 /* indirect access */ 1265 write_lock_irqsave(&adapter->ahw.crb_lock, flags); 1266 crb_win_lock(adapter); 1267 netxen_nic_pci_set_crbwindow_2M(adapter, off); 1268 data = readl(addr); 1269 crb_win_unlock(adapter); 1270 write_unlock_irqrestore(&adapter->ahw.crb_lock, flags); 1271 return data; 1272 } 1273 1274 dev_err(&adapter->pdev->dev, 1275 "%s: invalid offset: 0x%016lx\n", __func__, off); 1276 dump_stack(); 1277 return -1; 1278 } 1279 1280 /* window 1 registers only */ 1281 static void netxen_nic_io_write_128M(struct netxen_adapter *adapter, 1282 void __iomem *addr, u32 data) 1283 { 1284 read_lock(&adapter->ahw.crb_lock); 1285 writel(data, addr); 1286 read_unlock(&adapter->ahw.crb_lock); 1287 } 1288 1289 static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter, 1290 void __iomem *addr) 1291 { 1292 u32 val; 1293 1294 read_lock(&adapter->ahw.crb_lock); 1295 val = readl(addr); 1296 read_unlock(&adapter->ahw.crb_lock); 1297 1298 return val; 1299 } 1300 1301 static void netxen_nic_io_write_2M(struct netxen_adapter *adapter, 1302 void __iomem *addr, u32 data) 1303 { 1304 writel(data, addr); 1305 } 1306 1307 static u32 netxen_nic_io_read_2M(struct netxen_adapter *adapter, 1308 void __iomem *addr) 1309 { 1310 return readl(addr); 1311 } 1312 1313 void __iomem * 1314 netxen_get_ioaddr(struct netxen_adapter *adapter, u32 offset) 1315 { 1316 void __iomem *addr = NULL; 1317 1318 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { 1319 if ((offset < NETXEN_CRB_PCIX_HOST2) && 1320 (offset > NETXEN_CRB_PCIX_HOST)) 1321 addr = PCI_OFFSET_SECOND_RANGE(adapter, offset); 1322 else 1323 addr = NETXEN_CRB_NORMALIZE(adapter, offset); 1324 } else { 1325 WARN_ON(netxen_nic_pci_get_crb_addr_2M(adapter, 1326 offset, &addr)); 1327 } 1328 1329 return addr; 1330 } 1331 1332 static int 1333 netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter, 1334 u64 addr, u32 *start) 1335 { 1336 if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) { 1337 *start = (addr - NETXEN_ADDR_OCM0 + NETXEN_PCI_OCM0); 1338 return 0; 1339 } else if (ADDR_IN_RANGE(addr, 1340 NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) { 1341 *start = (addr - NETXEN_ADDR_OCM1 + NETXEN_PCI_OCM1); 1342 return 0; 1343 } 1344 1345 return -EIO; 1346 } 1347 1348 static int 1349 netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter, 1350 u64 addr, u32 *start) 1351 { 1352 u32 window; 1353 1354 window = OCM_WIN(addr); 1355 1356 writel(window, adapter->ahw.ocm_win_crb); 1357 /* read back to flush */ 1358 readl(adapter->ahw.ocm_win_crb); 1359 1360 adapter->ahw.ocm_win = window; 1361 *start = NETXEN_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr); 1362 return 0; 1363 } 1364 1365 static int 1366 netxen_nic_pci_mem_access_direct(struct netxen_adapter *adapter, u64 off, 1367 u64 *data, int op) 1368 { 1369 void __iomem *addr, *mem_ptr = NULL; 1370 resource_size_t mem_base; 1371 int ret; 1372 u32 start; 1373 1374 spin_lock(&adapter->ahw.mem_lock); 1375 1376 ret = adapter->pci_set_window(adapter, off, &start); 1377 if (ret != 0) 1378 goto unlock; 1379 1380 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { 1381 addr = adapter->ahw.pci_base0 + start; 1382 } else { 1383 addr = pci_base_offset(adapter, start); 1384 if (addr) 1385 goto noremap; 1386 1387 mem_base = pci_resource_start(adapter->pdev, 0) + 1388 (start & PAGE_MASK); 1389 mem_ptr = ioremap(mem_base, PAGE_SIZE); 1390 if (mem_ptr == NULL) { 1391 ret = -EIO; 1392 goto unlock; 1393 } 1394 1395 addr = mem_ptr + (start & (PAGE_SIZE-1)); 1396 } 1397 noremap: 1398 if (op == 0) /* read */ 1399 *data = readq(addr); 1400 else /* write */ 1401 writeq(*data, addr); 1402 1403 unlock: 1404 spin_unlock(&adapter->ahw.mem_lock); 1405 1406 if (mem_ptr) 1407 iounmap(mem_ptr); 1408 return ret; 1409 } 1410 1411 void 1412 netxen_pci_camqm_read_2M(struct netxen_adapter *adapter, u64 off, u64 *data) 1413 { 1414 void __iomem *addr = adapter->ahw.pci_base0 + 1415 NETXEN_PCI_CAMQM_2M_BASE + (off - NETXEN_PCI_CAMQM); 1416 1417 spin_lock(&adapter->ahw.mem_lock); 1418 *data = readq(addr); 1419 spin_unlock(&adapter->ahw.mem_lock); 1420 } 1421 1422 void 1423 netxen_pci_camqm_write_2M(struct netxen_adapter *adapter, u64 off, u64 data) 1424 { 1425 void __iomem *addr = adapter->ahw.pci_base0 + 1426 NETXEN_PCI_CAMQM_2M_BASE + (off - NETXEN_PCI_CAMQM); 1427 1428 spin_lock(&adapter->ahw.mem_lock); 1429 writeq(data, addr); 1430 spin_unlock(&adapter->ahw.mem_lock); 1431 } 1432 1433 #define MAX_CTL_CHECK 1000 1434 1435 static int 1436 netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter, 1437 u64 off, u64 data) 1438 { 1439 int j, ret; 1440 u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo; 1441 void __iomem *mem_crb; 1442 1443 /* Only 64-bit aligned access */ 1444 if (off & 7) 1445 return -EIO; 1446 1447 /* P2 has different SIU and MIU test agent base addr */ 1448 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET, 1449 NETXEN_ADDR_QDR_NET_MAX_P2)) { 1450 mem_crb = pci_base_offset(adapter, 1451 NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE); 1452 addr_hi = SIU_TEST_AGT_ADDR_HI; 1453 data_lo = SIU_TEST_AGT_WRDATA_LO; 1454 data_hi = SIU_TEST_AGT_WRDATA_HI; 1455 off_lo = off & SIU_TEST_AGT_ADDR_MASK; 1456 off_hi = SIU_TEST_AGT_UPPER_ADDR(off); 1457 goto correct; 1458 } 1459 1460 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { 1461 mem_crb = pci_base_offset(adapter, 1462 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE); 1463 addr_hi = MIU_TEST_AGT_ADDR_HI; 1464 data_lo = MIU_TEST_AGT_WRDATA_LO; 1465 data_hi = MIU_TEST_AGT_WRDATA_HI; 1466 off_lo = off & MIU_TEST_AGT_ADDR_MASK; 1467 off_hi = 0; 1468 goto correct; 1469 } 1470 1471 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) || 1472 ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) { 1473 if (adapter->ahw.pci_len0 != 0) { 1474 return netxen_nic_pci_mem_access_direct(adapter, 1475 off, &data, 1); 1476 } 1477 } 1478 1479 return -EIO; 1480 1481 correct: 1482 spin_lock(&adapter->ahw.mem_lock); 1483 netxen_nic_pci_set_crbwindow_128M(adapter, 0); 1484 1485 writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO)); 1486 writel(off_hi, (mem_crb + addr_hi)); 1487 writel(data & 0xffffffff, (mem_crb + data_lo)); 1488 writel((data >> 32) & 0xffffffff, (mem_crb + data_hi)); 1489 writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL)); 1490 writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE), 1491 (mem_crb + TEST_AGT_CTRL)); 1492 1493 for (j = 0; j < MAX_CTL_CHECK; j++) { 1494 temp = readl((mem_crb + TEST_AGT_CTRL)); 1495 if ((temp & TA_CTL_BUSY) == 0) 1496 break; 1497 } 1498 1499 if (j >= MAX_CTL_CHECK) { 1500 if (printk_ratelimit()) 1501 dev_err(&adapter->pdev->dev, 1502 "failed to write through agent\n"); 1503 ret = -EIO; 1504 } else 1505 ret = 0; 1506 1507 netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE); 1508 spin_unlock(&adapter->ahw.mem_lock); 1509 return ret; 1510 } 1511 1512 static int 1513 netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter, 1514 u64 off, u64 *data) 1515 { 1516 int j, ret; 1517 u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo; 1518 u64 val; 1519 void __iomem *mem_crb; 1520 1521 /* Only 64-bit aligned access */ 1522 if (off & 7) 1523 return -EIO; 1524 1525 /* P2 has different SIU and MIU test agent base addr */ 1526 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET, 1527 NETXEN_ADDR_QDR_NET_MAX_P2)) { 1528 mem_crb = pci_base_offset(adapter, 1529 NETXEN_CRB_QDR_NET+SIU_TEST_AGT_BASE); 1530 addr_hi = SIU_TEST_AGT_ADDR_HI; 1531 data_lo = SIU_TEST_AGT_RDDATA_LO; 1532 data_hi = SIU_TEST_AGT_RDDATA_HI; 1533 off_lo = off & SIU_TEST_AGT_ADDR_MASK; 1534 off_hi = SIU_TEST_AGT_UPPER_ADDR(off); 1535 goto correct; 1536 } 1537 1538 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { 1539 mem_crb = pci_base_offset(adapter, 1540 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE); 1541 addr_hi = MIU_TEST_AGT_ADDR_HI; 1542 data_lo = MIU_TEST_AGT_RDDATA_LO; 1543 data_hi = MIU_TEST_AGT_RDDATA_HI; 1544 off_lo = off & MIU_TEST_AGT_ADDR_MASK; 1545 off_hi = 0; 1546 goto correct; 1547 } 1548 1549 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) || 1550 ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) { 1551 if (adapter->ahw.pci_len0 != 0) { 1552 return netxen_nic_pci_mem_access_direct(adapter, 1553 off, data, 0); 1554 } 1555 } 1556 1557 return -EIO; 1558 1559 correct: 1560 spin_lock(&adapter->ahw.mem_lock); 1561 netxen_nic_pci_set_crbwindow_128M(adapter, 0); 1562 1563 writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO)); 1564 writel(off_hi, (mem_crb + addr_hi)); 1565 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL)); 1566 writel((TA_CTL_START|TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL)); 1567 1568 for (j = 0; j < MAX_CTL_CHECK; j++) { 1569 temp = readl(mem_crb + TEST_AGT_CTRL); 1570 if ((temp & TA_CTL_BUSY) == 0) 1571 break; 1572 } 1573 1574 if (j >= MAX_CTL_CHECK) { 1575 if (printk_ratelimit()) 1576 dev_err(&adapter->pdev->dev, 1577 "failed to read through agent\n"); 1578 ret = -EIO; 1579 } else { 1580 1581 temp = readl(mem_crb + data_hi); 1582 val = ((u64)temp << 32); 1583 val |= readl(mem_crb + data_lo); 1584 *data = val; 1585 ret = 0; 1586 } 1587 1588 netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE); 1589 spin_unlock(&adapter->ahw.mem_lock); 1590 1591 return ret; 1592 } 1593 1594 static int 1595 netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter, 1596 u64 off, u64 data) 1597 { 1598 int j, ret; 1599 u32 temp, off8; 1600 void __iomem *mem_crb; 1601 1602 /* Only 64-bit aligned access */ 1603 if (off & 7) 1604 return -EIO; 1605 1606 /* P3 onward, test agent base for MIU and SIU is same */ 1607 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET, 1608 NETXEN_ADDR_QDR_NET_MAX_P3)) { 1609 mem_crb = netxen_get_ioaddr(adapter, 1610 NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE); 1611 goto correct; 1612 } 1613 1614 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { 1615 mem_crb = netxen_get_ioaddr(adapter, 1616 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE); 1617 goto correct; 1618 } 1619 1620 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) 1621 return netxen_nic_pci_mem_access_direct(adapter, off, &data, 1); 1622 1623 return -EIO; 1624 1625 correct: 1626 off8 = off & 0xfffffff8; 1627 1628 spin_lock(&adapter->ahw.mem_lock); 1629 1630 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO)); 1631 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI)); 1632 1633 writel(data & 0xffffffff, 1634 mem_crb + MIU_TEST_AGT_WRDATA_LO); 1635 writel((data >> 32) & 0xffffffff, 1636 mem_crb + MIU_TEST_AGT_WRDATA_HI); 1637 1638 writel((TA_CTL_ENABLE | TA_CTL_WRITE), (mem_crb + TEST_AGT_CTRL)); 1639 writel((TA_CTL_START | TA_CTL_ENABLE | TA_CTL_WRITE), 1640 (mem_crb + TEST_AGT_CTRL)); 1641 1642 for (j = 0; j < MAX_CTL_CHECK; j++) { 1643 temp = readl(mem_crb + TEST_AGT_CTRL); 1644 if ((temp & TA_CTL_BUSY) == 0) 1645 break; 1646 } 1647 1648 if (j >= MAX_CTL_CHECK) { 1649 if (printk_ratelimit()) 1650 dev_err(&adapter->pdev->dev, 1651 "failed to write through agent\n"); 1652 ret = -EIO; 1653 } else 1654 ret = 0; 1655 1656 spin_unlock(&adapter->ahw.mem_lock); 1657 1658 return ret; 1659 } 1660 1661 static int 1662 netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter, 1663 u64 off, u64 *data) 1664 { 1665 int j, ret; 1666 u32 temp, off8; 1667 u64 val; 1668 void __iomem *mem_crb; 1669 1670 /* Only 64-bit aligned access */ 1671 if (off & 7) 1672 return -EIO; 1673 1674 /* P3 onward, test agent base for MIU and SIU is same */ 1675 if (ADDR_IN_RANGE(off, NETXEN_ADDR_QDR_NET, 1676 NETXEN_ADDR_QDR_NET_MAX_P3)) { 1677 mem_crb = netxen_get_ioaddr(adapter, 1678 NETXEN_CRB_QDR_NET+MIU_TEST_AGT_BASE); 1679 goto correct; 1680 } 1681 1682 if (ADDR_IN_RANGE(off, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { 1683 mem_crb = netxen_get_ioaddr(adapter, 1684 NETXEN_CRB_DDR_NET+MIU_TEST_AGT_BASE); 1685 goto correct; 1686 } 1687 1688 if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) { 1689 return netxen_nic_pci_mem_access_direct(adapter, 1690 off, data, 0); 1691 } 1692 1693 return -EIO; 1694 1695 correct: 1696 off8 = off & 0xfffffff8; 1697 1698 spin_lock(&adapter->ahw.mem_lock); 1699 1700 writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO)); 1701 writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI)); 1702 writel(TA_CTL_ENABLE, (mem_crb + TEST_AGT_CTRL)); 1703 writel((TA_CTL_START | TA_CTL_ENABLE), (mem_crb + TEST_AGT_CTRL)); 1704 1705 for (j = 0; j < MAX_CTL_CHECK; j++) { 1706 temp = readl(mem_crb + TEST_AGT_CTRL); 1707 if ((temp & TA_CTL_BUSY) == 0) 1708 break; 1709 } 1710 1711 if (j >= MAX_CTL_CHECK) { 1712 if (printk_ratelimit()) 1713 dev_err(&adapter->pdev->dev, 1714 "failed to read through agent\n"); 1715 ret = -EIO; 1716 } else { 1717 val = (u64)(readl(mem_crb + MIU_TEST_AGT_RDDATA_HI)) << 32; 1718 val |= readl(mem_crb + MIU_TEST_AGT_RDDATA_LO); 1719 *data = val; 1720 ret = 0; 1721 } 1722 1723 spin_unlock(&adapter->ahw.mem_lock); 1724 1725 return ret; 1726 } 1727 1728 void 1729 netxen_setup_hwops(struct netxen_adapter *adapter) 1730 { 1731 adapter->init_port = netxen_niu_xg_init_port; 1732 adapter->stop_port = netxen_niu_disable_xg_port; 1733 1734 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { 1735 adapter->crb_read = netxen_nic_hw_read_wx_128M, 1736 adapter->crb_write = netxen_nic_hw_write_wx_128M, 1737 adapter->pci_set_window = netxen_nic_pci_set_window_128M, 1738 adapter->pci_mem_read = netxen_nic_pci_mem_read_128M, 1739 adapter->pci_mem_write = netxen_nic_pci_mem_write_128M, 1740 adapter->io_read = netxen_nic_io_read_128M, 1741 adapter->io_write = netxen_nic_io_write_128M, 1742 1743 adapter->macaddr_set = netxen_p2_nic_set_mac_addr; 1744 adapter->set_multi = netxen_p2_nic_set_multi; 1745 adapter->set_mtu = netxen_nic_set_mtu_xgb; 1746 adapter->set_promisc = netxen_p2_nic_set_promisc; 1747 1748 } else { 1749 adapter->crb_read = netxen_nic_hw_read_wx_2M, 1750 adapter->crb_write = netxen_nic_hw_write_wx_2M, 1751 adapter->pci_set_window = netxen_nic_pci_set_window_2M, 1752 adapter->pci_mem_read = netxen_nic_pci_mem_read_2M, 1753 adapter->pci_mem_write = netxen_nic_pci_mem_write_2M, 1754 adapter->io_read = netxen_nic_io_read_2M, 1755 adapter->io_write = netxen_nic_io_write_2M, 1756 1757 adapter->set_mtu = nx_fw_cmd_set_mtu; 1758 adapter->set_promisc = netxen_p3_nic_set_promisc; 1759 adapter->macaddr_set = netxen_p3_nic_set_mac_addr; 1760 adapter->set_multi = netxen_p3_nic_set_multi; 1761 1762 adapter->phy_read = nx_fw_cmd_query_phy; 1763 adapter->phy_write = nx_fw_cmd_set_phy; 1764 } 1765 } 1766 1767 int netxen_nic_get_board_info(struct netxen_adapter *adapter) 1768 { 1769 int offset, board_type, magic; 1770 struct pci_dev *pdev = adapter->pdev; 1771 1772 offset = NX_FW_MAGIC_OFFSET; 1773 if (netxen_rom_fast_read(adapter, offset, &magic)) 1774 return -EIO; 1775 1776 if (magic != NETXEN_BDINFO_MAGIC) { 1777 dev_err(&pdev->dev, "invalid board config, magic=%08x\n", 1778 magic); 1779 return -EIO; 1780 } 1781 1782 offset = NX_BRDTYPE_OFFSET; 1783 if (netxen_rom_fast_read(adapter, offset, &board_type)) 1784 return -EIO; 1785 1786 if (board_type == NETXEN_BRDTYPE_P3_4_GB_MM) { 1787 u32 gpio = NXRD32(adapter, NETXEN_ROMUSB_GLB_PAD_GPIO_I); 1788 if ((gpio & 0x8000) == 0) 1789 board_type = NETXEN_BRDTYPE_P3_10G_TP; 1790 } 1791 1792 adapter->ahw.board_type = board_type; 1793 1794 switch (board_type) { 1795 case NETXEN_BRDTYPE_P2_SB35_4G: 1796 adapter->ahw.port_type = NETXEN_NIC_GBE; 1797 break; 1798 case NETXEN_BRDTYPE_P2_SB31_10G: 1799 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: 1800 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: 1801 case NETXEN_BRDTYPE_P2_SB31_10G_CX4: 1802 case NETXEN_BRDTYPE_P3_HMEZ: 1803 case NETXEN_BRDTYPE_P3_XG_LOM: 1804 case NETXEN_BRDTYPE_P3_10G_CX4: 1805 case NETXEN_BRDTYPE_P3_10G_CX4_LP: 1806 case NETXEN_BRDTYPE_P3_IMEZ: 1807 case NETXEN_BRDTYPE_P3_10G_SFP_PLUS: 1808 case NETXEN_BRDTYPE_P3_10G_SFP_CT: 1809 case NETXEN_BRDTYPE_P3_10G_SFP_QT: 1810 case NETXEN_BRDTYPE_P3_10G_XFP: 1811 case NETXEN_BRDTYPE_P3_10000_BASE_T: 1812 adapter->ahw.port_type = NETXEN_NIC_XGBE; 1813 break; 1814 case NETXEN_BRDTYPE_P1_BD: 1815 case NETXEN_BRDTYPE_P1_SB: 1816 case NETXEN_BRDTYPE_P1_SMAX: 1817 case NETXEN_BRDTYPE_P1_SOCK: 1818 case NETXEN_BRDTYPE_P3_REF_QG: 1819 case NETXEN_BRDTYPE_P3_4_GB: 1820 case NETXEN_BRDTYPE_P3_4_GB_MM: 1821 adapter->ahw.port_type = NETXEN_NIC_GBE; 1822 break; 1823 case NETXEN_BRDTYPE_P3_10G_TP: 1824 adapter->ahw.port_type = (adapter->portnum < 2) ? 1825 NETXEN_NIC_XGBE : NETXEN_NIC_GBE; 1826 break; 1827 default: 1828 dev_err(&pdev->dev, "unknown board type %x\n", board_type); 1829 adapter->ahw.port_type = NETXEN_NIC_XGBE; 1830 break; 1831 } 1832 1833 return 0; 1834 } 1835 1836 /* NIU access sections */ 1837 static int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu) 1838 { 1839 new_mtu += MTU_FUDGE_FACTOR; 1840 if (adapter->physical_port == 0) 1841 NXWR32(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, new_mtu); 1842 else 1843 NXWR32(adapter, NETXEN_NIU_XG1_MAX_FRAME_SIZE, new_mtu); 1844 return 0; 1845 } 1846 1847 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter) 1848 { 1849 __u32 status; 1850 __u32 autoneg; 1851 __u32 port_mode; 1852 1853 if (!netif_carrier_ok(adapter->netdev)) { 1854 adapter->link_speed = 0; 1855 adapter->link_duplex = -1; 1856 adapter->link_autoneg = AUTONEG_ENABLE; 1857 return; 1858 } 1859 1860 if (adapter->ahw.port_type == NETXEN_NIC_GBE) { 1861 port_mode = NXRD32(adapter, NETXEN_PORT_MODE_ADDR); 1862 if (port_mode == NETXEN_PORT_MODE_802_3_AP) { 1863 adapter->link_speed = SPEED_1000; 1864 adapter->link_duplex = DUPLEX_FULL; 1865 adapter->link_autoneg = AUTONEG_DISABLE; 1866 return; 1867 } 1868 1869 if (adapter->phy_read && 1870 adapter->phy_read(adapter, 1871 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, 1872 &status) == 0) { 1873 if (netxen_get_phy_link(status)) { 1874 switch (netxen_get_phy_speed(status)) { 1875 case 0: 1876 adapter->link_speed = SPEED_10; 1877 break; 1878 case 1: 1879 adapter->link_speed = SPEED_100; 1880 break; 1881 case 2: 1882 adapter->link_speed = SPEED_1000; 1883 break; 1884 default: 1885 adapter->link_speed = 0; 1886 break; 1887 } 1888 switch (netxen_get_phy_duplex(status)) { 1889 case 0: 1890 adapter->link_duplex = DUPLEX_HALF; 1891 break; 1892 case 1: 1893 adapter->link_duplex = DUPLEX_FULL; 1894 break; 1895 default: 1896 adapter->link_duplex = -1; 1897 break; 1898 } 1899 if (adapter->phy_read && 1900 adapter->phy_read(adapter, 1901 NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, 1902 &autoneg) == 0) 1903 adapter->link_autoneg = autoneg; 1904 } else 1905 goto link_down; 1906 } else { 1907 link_down: 1908 adapter->link_speed = 0; 1909 adapter->link_duplex = -1; 1910 } 1911 } 1912 } 1913 1914 int 1915 netxen_nic_wol_supported(struct netxen_adapter *adapter) 1916 { 1917 u32 wol_cfg; 1918 1919 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) 1920 return 0; 1921 1922 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG_NV); 1923 if (wol_cfg & (1UL << adapter->portnum)) { 1924 wol_cfg = NXRD32(adapter, NETXEN_WOL_CONFIG); 1925 if (wol_cfg & (1 << adapter->portnum)) 1926 return 1; 1927 } 1928 1929 return 0; 1930 } 1931 1932 static u32 netxen_md_cntrl(struct netxen_adapter *adapter, 1933 struct netxen_minidump_template_hdr *template_hdr, 1934 struct netxen_minidump_entry_crb *crtEntry) 1935 { 1936 int loop_cnt, i, rv = 0, timeout_flag; 1937 u32 op_count, stride; 1938 u32 opcode, read_value, addr; 1939 unsigned long timeout, timeout_jiffies; 1940 addr = crtEntry->addr; 1941 op_count = crtEntry->op_count; 1942 stride = crtEntry->addr_stride; 1943 1944 for (loop_cnt = 0; loop_cnt < op_count; loop_cnt++) { 1945 for (i = 0; i < sizeof(crtEntry->opcode) * 8; i++) { 1946 opcode = (crtEntry->opcode & (0x1 << i)); 1947 if (opcode) { 1948 switch (opcode) { 1949 case NX_DUMP_WCRB: 1950 NX_WR_DUMP_REG(addr, 1951 adapter->ahw.pci_base0, 1952 crtEntry->value_1); 1953 break; 1954 case NX_DUMP_RWCRB: 1955 NX_RD_DUMP_REG(addr, 1956 adapter->ahw.pci_base0, 1957 &read_value); 1958 NX_WR_DUMP_REG(addr, 1959 adapter->ahw.pci_base0, 1960 read_value); 1961 break; 1962 case NX_DUMP_ANDCRB: 1963 NX_RD_DUMP_REG(addr, 1964 adapter->ahw.pci_base0, 1965 &read_value); 1966 read_value &= crtEntry->value_2; 1967 NX_WR_DUMP_REG(addr, 1968 adapter->ahw.pci_base0, 1969 read_value); 1970 break; 1971 case NX_DUMP_ORCRB: 1972 NX_RD_DUMP_REG(addr, 1973 adapter->ahw.pci_base0, 1974 &read_value); 1975 read_value |= crtEntry->value_3; 1976 NX_WR_DUMP_REG(addr, 1977 adapter->ahw.pci_base0, 1978 read_value); 1979 break; 1980 case NX_DUMP_POLLCRB: 1981 timeout = crtEntry->poll_timeout; 1982 NX_RD_DUMP_REG(addr, 1983 adapter->ahw.pci_base0, 1984 &read_value); 1985 timeout_jiffies = 1986 msecs_to_jiffies(timeout) + jiffies; 1987 for (timeout_flag = 0; 1988 !timeout_flag 1989 && ((read_value & crtEntry->value_2) 1990 != crtEntry->value_1);) { 1991 if (time_after(jiffies, 1992 timeout_jiffies)) 1993 timeout_flag = 1; 1994 NX_RD_DUMP_REG(addr, 1995 adapter->ahw.pci_base0, 1996 &read_value); 1997 } 1998 1999 if (timeout_flag) { 2000 dev_err(&adapter->pdev->dev, "%s : " 2001 "Timeout in poll_crb control operation.\n" 2002 , __func__); 2003 return -1; 2004 } 2005 break; 2006 case NX_DUMP_RD_SAVE: 2007 /* Decide which address to use */ 2008 if (crtEntry->state_index_a) 2009 addr = 2010 template_hdr->saved_state_array 2011 [crtEntry->state_index_a]; 2012 NX_RD_DUMP_REG(addr, 2013 adapter->ahw.pci_base0, 2014 &read_value); 2015 template_hdr->saved_state_array 2016 [crtEntry->state_index_v] 2017 = read_value; 2018 break; 2019 case NX_DUMP_WRT_SAVED: 2020 /* Decide which value to use */ 2021 if (crtEntry->state_index_v) 2022 read_value = 2023 template_hdr->saved_state_array 2024 [crtEntry->state_index_v]; 2025 else 2026 read_value = crtEntry->value_1; 2027 2028 /* Decide which address to use */ 2029 if (crtEntry->state_index_a) 2030 addr = 2031 template_hdr->saved_state_array 2032 [crtEntry->state_index_a]; 2033 2034 NX_WR_DUMP_REG(addr, 2035 adapter->ahw.pci_base0, 2036 read_value); 2037 break; 2038 case NX_DUMP_MOD_SAVE_ST: 2039 read_value = 2040 template_hdr->saved_state_array 2041 [crtEntry->state_index_v]; 2042 read_value <<= crtEntry->shl; 2043 read_value >>= crtEntry->shr; 2044 if (crtEntry->value_2) 2045 read_value &= 2046 crtEntry->value_2; 2047 read_value |= crtEntry->value_3; 2048 read_value += crtEntry->value_1; 2049 /* Write value back to state area.*/ 2050 template_hdr->saved_state_array 2051 [crtEntry->state_index_v] 2052 = read_value; 2053 break; 2054 default: 2055 rv = 1; 2056 break; 2057 } 2058 } 2059 } 2060 addr = addr + stride; 2061 } 2062 return rv; 2063 } 2064 2065 /* Read memory or MN */ 2066 static u32 2067 netxen_md_rdmem(struct netxen_adapter *adapter, 2068 struct netxen_minidump_entry_rdmem 2069 *memEntry, u64 *data_buff) 2070 { 2071 u64 addr, value = 0; 2072 int i = 0, loop_cnt; 2073 2074 addr = (u64)memEntry->read_addr; 2075 loop_cnt = memEntry->read_data_size; /* This is size in bytes */ 2076 loop_cnt /= sizeof(value); 2077 2078 for (i = 0; i < loop_cnt; i++) { 2079 if (netxen_nic_pci_mem_read_2M(adapter, addr, &value)) 2080 goto out; 2081 *data_buff++ = value; 2082 addr += sizeof(value); 2083 } 2084 out: 2085 return i * sizeof(value); 2086 } 2087 2088 /* Read CRB operation */ 2089 static u32 netxen_md_rd_crb(struct netxen_adapter *adapter, 2090 struct netxen_minidump_entry_crb 2091 *crbEntry, u32 *data_buff) 2092 { 2093 int loop_cnt; 2094 u32 op_count, addr, stride, value; 2095 2096 addr = crbEntry->addr; 2097 op_count = crbEntry->op_count; 2098 stride = crbEntry->addr_stride; 2099 2100 for (loop_cnt = 0; loop_cnt < op_count; loop_cnt++) { 2101 NX_RD_DUMP_REG(addr, adapter->ahw.pci_base0, &value); 2102 *data_buff++ = addr; 2103 *data_buff++ = value; 2104 addr = addr + stride; 2105 } 2106 return loop_cnt * (2 * sizeof(u32)); 2107 } 2108 2109 /* Read ROM */ 2110 static u32 2111 netxen_md_rdrom(struct netxen_adapter *adapter, 2112 struct netxen_minidump_entry_rdrom 2113 *romEntry, __le32 *data_buff) 2114 { 2115 int i, count = 0; 2116 u32 size, lck_val; 2117 u32 val; 2118 u32 fl_addr, waddr, raddr; 2119 fl_addr = romEntry->read_addr; 2120 size = romEntry->read_data_size/4; 2121 lock_try: 2122 lck_val = readl((void __iomem *)(adapter->ahw.pci_base0 + 2123 NX_FLASH_SEM2_LK)); 2124 if (!lck_val && count < MAX_CTL_CHECK) { 2125 msleep(20); 2126 count++; 2127 goto lock_try; 2128 } 2129 writel(adapter->ahw.pci_func, (void __iomem *)(adapter->ahw.pci_base0 + 2130 NX_FLASH_LOCK_ID)); 2131 for (i = 0; i < size; i++) { 2132 waddr = fl_addr & 0xFFFF0000; 2133 NX_WR_DUMP_REG(FLASH_ROM_WINDOW, adapter->ahw.pci_base0, waddr); 2134 raddr = FLASH_ROM_DATA + (fl_addr & 0x0000FFFF); 2135 NX_RD_DUMP_REG(raddr, adapter->ahw.pci_base0, &val); 2136 *data_buff++ = cpu_to_le32(val); 2137 fl_addr += sizeof(val); 2138 } 2139 readl((void __iomem *)(adapter->ahw.pci_base0 + NX_FLASH_SEM2_ULK)); 2140 return romEntry->read_data_size; 2141 } 2142 2143 /* Handle L2 Cache */ 2144 static u32 2145 netxen_md_L2Cache(struct netxen_adapter *adapter, 2146 struct netxen_minidump_entry_cache 2147 *cacheEntry, u32 *data_buff) 2148 { 2149 int loop_cnt, i, k, timeout_flag = 0; 2150 u32 addr, read_addr, read_value, cntrl_addr, tag_reg_addr; 2151 u32 tag_value, read_cnt; 2152 u8 cntl_value_w, cntl_value_r; 2153 unsigned long timeout, timeout_jiffies; 2154 2155 loop_cnt = cacheEntry->op_count; 2156 read_addr = cacheEntry->read_addr; 2157 cntrl_addr = cacheEntry->control_addr; 2158 cntl_value_w = (u32) cacheEntry->write_value; 2159 tag_reg_addr = cacheEntry->tag_reg_addr; 2160 tag_value = cacheEntry->init_tag_value; 2161 read_cnt = cacheEntry->read_addr_cnt; 2162 2163 for (i = 0; i < loop_cnt; i++) { 2164 NX_WR_DUMP_REG(tag_reg_addr, adapter->ahw.pci_base0, tag_value); 2165 if (cntl_value_w) 2166 NX_WR_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0, 2167 (u32)cntl_value_w); 2168 if (cacheEntry->poll_mask) { 2169 timeout = cacheEntry->poll_wait; 2170 NX_RD_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0, 2171 &cntl_value_r); 2172 timeout_jiffies = msecs_to_jiffies(timeout) + jiffies; 2173 for (timeout_flag = 0; !timeout_flag && 2174 ((cntl_value_r & cacheEntry->poll_mask) != 0);) { 2175 if (time_after(jiffies, timeout_jiffies)) 2176 timeout_flag = 1; 2177 NX_RD_DUMP_REG(cntrl_addr, 2178 adapter->ahw.pci_base0, 2179 &cntl_value_r); 2180 } 2181 if (timeout_flag) { 2182 dev_err(&adapter->pdev->dev, 2183 "Timeout in processing L2 Tag poll.\n"); 2184 return -1; 2185 } 2186 } 2187 addr = read_addr; 2188 for (k = 0; k < read_cnt; k++) { 2189 NX_RD_DUMP_REG(addr, adapter->ahw.pci_base0, 2190 &read_value); 2191 *data_buff++ = read_value; 2192 addr += cacheEntry->read_addr_stride; 2193 } 2194 tag_value += cacheEntry->tag_value_stride; 2195 } 2196 return read_cnt * loop_cnt * sizeof(read_value); 2197 } 2198 2199 2200 /* Handle L1 Cache */ 2201 static u32 netxen_md_L1Cache(struct netxen_adapter *adapter, 2202 struct netxen_minidump_entry_cache 2203 *cacheEntry, u32 *data_buff) 2204 { 2205 int i, k, loop_cnt; 2206 u32 addr, read_addr, read_value, cntrl_addr, tag_reg_addr; 2207 u32 tag_value, read_cnt; 2208 u8 cntl_value_w; 2209 2210 loop_cnt = cacheEntry->op_count; 2211 read_addr = cacheEntry->read_addr; 2212 cntrl_addr = cacheEntry->control_addr; 2213 cntl_value_w = (u32) cacheEntry->write_value; 2214 tag_reg_addr = cacheEntry->tag_reg_addr; 2215 tag_value = cacheEntry->init_tag_value; 2216 read_cnt = cacheEntry->read_addr_cnt; 2217 2218 for (i = 0; i < loop_cnt; i++) { 2219 NX_WR_DUMP_REG(tag_reg_addr, adapter->ahw.pci_base0, tag_value); 2220 NX_WR_DUMP_REG(cntrl_addr, adapter->ahw.pci_base0, 2221 (u32) cntl_value_w); 2222 addr = read_addr; 2223 for (k = 0; k < read_cnt; k++) { 2224 NX_RD_DUMP_REG(addr, 2225 adapter->ahw.pci_base0, 2226 &read_value); 2227 *data_buff++ = read_value; 2228 addr += cacheEntry->read_addr_stride; 2229 } 2230 tag_value += cacheEntry->tag_value_stride; 2231 } 2232 return read_cnt * loop_cnt * sizeof(read_value); 2233 } 2234 2235 /* Reading OCM memory */ 2236 static u32 2237 netxen_md_rdocm(struct netxen_adapter *adapter, 2238 struct netxen_minidump_entry_rdocm 2239 *ocmEntry, u32 *data_buff) 2240 { 2241 int i, loop_cnt; 2242 u32 value; 2243 void __iomem *addr; 2244 addr = (ocmEntry->read_addr + adapter->ahw.pci_base0); 2245 loop_cnt = ocmEntry->op_count; 2246 2247 for (i = 0; i < loop_cnt; i++) { 2248 value = readl(addr); 2249 *data_buff++ = value; 2250 addr += ocmEntry->read_addr_stride; 2251 } 2252 return i * sizeof(u32); 2253 } 2254 2255 /* Read MUX data */ 2256 static u32 2257 netxen_md_rdmux(struct netxen_adapter *adapter, struct netxen_minidump_entry_mux 2258 *muxEntry, u32 *data_buff) 2259 { 2260 int loop_cnt = 0; 2261 u32 read_addr, read_value, select_addr, sel_value; 2262 2263 read_addr = muxEntry->read_addr; 2264 sel_value = muxEntry->select_value; 2265 select_addr = muxEntry->select_addr; 2266 2267 for (loop_cnt = 0; loop_cnt < muxEntry->op_count; loop_cnt++) { 2268 NX_WR_DUMP_REG(select_addr, adapter->ahw.pci_base0, sel_value); 2269 NX_RD_DUMP_REG(read_addr, adapter->ahw.pci_base0, &read_value); 2270 *data_buff++ = sel_value; 2271 *data_buff++ = read_value; 2272 sel_value += muxEntry->select_value_stride; 2273 } 2274 return loop_cnt * (2 * sizeof(u32)); 2275 } 2276 2277 /* Handling Queue State Reads */ 2278 static u32 2279 netxen_md_rdqueue(struct netxen_adapter *adapter, 2280 struct netxen_minidump_entry_queue 2281 *queueEntry, u32 *data_buff) 2282 { 2283 int loop_cnt, k; 2284 u32 queue_id, read_addr, read_value, read_stride, select_addr, read_cnt; 2285 2286 read_cnt = queueEntry->read_addr_cnt; 2287 read_stride = queueEntry->read_addr_stride; 2288 select_addr = queueEntry->select_addr; 2289 2290 for (loop_cnt = 0, queue_id = 0; loop_cnt < queueEntry->op_count; 2291 loop_cnt++) { 2292 NX_WR_DUMP_REG(select_addr, adapter->ahw.pci_base0, queue_id); 2293 read_addr = queueEntry->read_addr; 2294 for (k = 0; k < read_cnt; k++) { 2295 NX_RD_DUMP_REG(read_addr, adapter->ahw.pci_base0, 2296 &read_value); 2297 *data_buff++ = read_value; 2298 read_addr += read_stride; 2299 } 2300 queue_id += queueEntry->queue_id_stride; 2301 } 2302 return loop_cnt * (read_cnt * sizeof(read_value)); 2303 } 2304 2305 2306 /* 2307 * We catch an error where driver does not read 2308 * as much data as we expect from the entry. 2309 */ 2310 2311 static int netxen_md_entry_err_chk(struct netxen_adapter *adapter, 2312 struct netxen_minidump_entry *entry, int esize) 2313 { 2314 if (esize < 0) { 2315 entry->hdr.driver_flags |= NX_DUMP_SKIP; 2316 return esize; 2317 } 2318 if (esize != entry->hdr.entry_capture_size) { 2319 entry->hdr.entry_capture_size = esize; 2320 entry->hdr.driver_flags |= NX_DUMP_SIZE_ERR; 2321 dev_info(&adapter->pdev->dev, 2322 "Invalidate dump, Type:%d\tMask:%d\tSize:%dCap_size:%d\n", 2323 entry->hdr.entry_type, entry->hdr.entry_capture_mask, 2324 esize, entry->hdr.entry_capture_size); 2325 dev_info(&adapter->pdev->dev, "Aborting further dump capture\n"); 2326 } 2327 return 0; 2328 } 2329 2330 static int netxen_parse_md_template(struct netxen_adapter *adapter) 2331 { 2332 int num_of_entries, buff_level, e_cnt, esize; 2333 int rv = 0, sane_start = 0, sane_end = 0; 2334 char *dbuff; 2335 void *template_buff = adapter->mdump.md_template; 2336 char *dump_buff = adapter->mdump.md_capture_buff; 2337 int capture_mask = adapter->mdump.md_capture_mask; 2338 struct netxen_minidump_template_hdr *template_hdr; 2339 struct netxen_minidump_entry *entry; 2340 2341 if ((capture_mask & 0x3) != 0x3) { 2342 dev_err(&adapter->pdev->dev, "Capture mask %02x below minimum needed " 2343 "for valid firmware dump\n", capture_mask); 2344 return -EINVAL; 2345 } 2346 template_hdr = (struct netxen_minidump_template_hdr *) template_buff; 2347 num_of_entries = template_hdr->num_of_entries; 2348 entry = (struct netxen_minidump_entry *) ((char *) template_buff + 2349 template_hdr->first_entry_offset); 2350 memcpy(dump_buff, template_buff, adapter->mdump.md_template_size); 2351 dump_buff = dump_buff + adapter->mdump.md_template_size; 2352 2353 if (template_hdr->entry_type == TLHDR) 2354 sane_start = 1; 2355 2356 for (e_cnt = 0, buff_level = 0; e_cnt < num_of_entries; e_cnt++) { 2357 if (!(entry->hdr.entry_capture_mask & capture_mask)) { 2358 entry->hdr.driver_flags |= NX_DUMP_SKIP; 2359 entry = (struct netxen_minidump_entry *) 2360 ((char *) entry + entry->hdr.entry_size); 2361 continue; 2362 } 2363 switch (entry->hdr.entry_type) { 2364 case RDNOP: 2365 entry->hdr.driver_flags |= NX_DUMP_SKIP; 2366 break; 2367 case RDEND: 2368 entry->hdr.driver_flags |= NX_DUMP_SKIP; 2369 sane_end += 1; 2370 break; 2371 case CNTRL: 2372 rv = netxen_md_cntrl(adapter, 2373 template_hdr, (void *)entry); 2374 if (rv) 2375 entry->hdr.driver_flags |= NX_DUMP_SKIP; 2376 break; 2377 case RDCRB: 2378 dbuff = dump_buff + buff_level; 2379 esize = netxen_md_rd_crb(adapter, 2380 (void *) entry, (void *) dbuff); 2381 rv = netxen_md_entry_err_chk 2382 (adapter, entry, esize); 2383 if (rv < 0) 2384 break; 2385 buff_level += esize; 2386 break; 2387 case RDMN: 2388 case RDMEM: 2389 dbuff = dump_buff + buff_level; 2390 esize = netxen_md_rdmem(adapter, 2391 (void *) entry, (void *) dbuff); 2392 rv = netxen_md_entry_err_chk 2393 (adapter, entry, esize); 2394 if (rv < 0) 2395 break; 2396 buff_level += esize; 2397 break; 2398 case BOARD: 2399 case RDROM: 2400 dbuff = dump_buff + buff_level; 2401 esize = netxen_md_rdrom(adapter, 2402 (void *) entry, (void *) dbuff); 2403 rv = netxen_md_entry_err_chk 2404 (adapter, entry, esize); 2405 if (rv < 0) 2406 break; 2407 buff_level += esize; 2408 break; 2409 case L2ITG: 2410 case L2DTG: 2411 case L2DAT: 2412 case L2INS: 2413 dbuff = dump_buff + buff_level; 2414 esize = netxen_md_L2Cache(adapter, 2415 (void *) entry, (void *) dbuff); 2416 rv = netxen_md_entry_err_chk 2417 (adapter, entry, esize); 2418 if (rv < 0) 2419 break; 2420 buff_level += esize; 2421 break; 2422 case L1DAT: 2423 case L1INS: 2424 dbuff = dump_buff + buff_level; 2425 esize = netxen_md_L1Cache(adapter, 2426 (void *) entry, (void *) dbuff); 2427 rv = netxen_md_entry_err_chk 2428 (adapter, entry, esize); 2429 if (rv < 0) 2430 break; 2431 buff_level += esize; 2432 break; 2433 case RDOCM: 2434 dbuff = dump_buff + buff_level; 2435 esize = netxen_md_rdocm(adapter, 2436 (void *) entry, (void *) dbuff); 2437 rv = netxen_md_entry_err_chk 2438 (adapter, entry, esize); 2439 if (rv < 0) 2440 break; 2441 buff_level += esize; 2442 break; 2443 case RDMUX: 2444 dbuff = dump_buff + buff_level; 2445 esize = netxen_md_rdmux(adapter, 2446 (void *) entry, (void *) dbuff); 2447 rv = netxen_md_entry_err_chk 2448 (adapter, entry, esize); 2449 if (rv < 0) 2450 break; 2451 buff_level += esize; 2452 break; 2453 case QUEUE: 2454 dbuff = dump_buff + buff_level; 2455 esize = netxen_md_rdqueue(adapter, 2456 (void *) entry, (void *) dbuff); 2457 rv = netxen_md_entry_err_chk 2458 (adapter, entry, esize); 2459 if (rv < 0) 2460 break; 2461 buff_level += esize; 2462 break; 2463 default: 2464 entry->hdr.driver_flags |= NX_DUMP_SKIP; 2465 break; 2466 } 2467 /* Next entry in the template */ 2468 entry = (struct netxen_minidump_entry *) 2469 ((char *) entry + entry->hdr.entry_size); 2470 } 2471 if (!sane_start || sane_end > 1) { 2472 dev_err(&adapter->pdev->dev, 2473 "Firmware minidump template configuration error.\n"); 2474 } 2475 return 0; 2476 } 2477 2478 static int 2479 netxen_collect_minidump(struct netxen_adapter *adapter) 2480 { 2481 int ret = 0; 2482 struct netxen_minidump_template_hdr *hdr; 2483 hdr = (struct netxen_minidump_template_hdr *) 2484 adapter->mdump.md_template; 2485 hdr->driver_capture_mask = adapter->mdump.md_capture_mask; 2486 hdr->driver_timestamp = ktime_get_seconds(); 2487 hdr->driver_info_word2 = adapter->fw_version; 2488 hdr->driver_info_word3 = NXRD32(adapter, CRB_DRIVER_VERSION); 2489 ret = netxen_parse_md_template(adapter); 2490 if (ret) 2491 return ret; 2492 2493 return ret; 2494 } 2495 2496 2497 void 2498 netxen_dump_fw(struct netxen_adapter *adapter) 2499 { 2500 struct netxen_minidump_template_hdr *hdr; 2501 int i, k, data_size = 0; 2502 u32 capture_mask; 2503 hdr = (struct netxen_minidump_template_hdr *) 2504 adapter->mdump.md_template; 2505 capture_mask = adapter->mdump.md_capture_mask; 2506 2507 for (i = 0x2, k = 1; (i & NX_DUMP_MASK_MAX); i <<= 1, k++) { 2508 if (i & capture_mask) 2509 data_size += hdr->capture_size_array[k]; 2510 } 2511 if (!data_size) { 2512 dev_err(&adapter->pdev->dev, 2513 "Invalid cap sizes for capture_mask=0x%x\n", 2514 adapter->mdump.md_capture_mask); 2515 return; 2516 } 2517 adapter->mdump.md_capture_size = data_size; 2518 adapter->mdump.md_dump_size = adapter->mdump.md_template_size + 2519 adapter->mdump.md_capture_size; 2520 if (!adapter->mdump.md_capture_buff) { 2521 adapter->mdump.md_capture_buff = 2522 vzalloc(adapter->mdump.md_dump_size); 2523 if (!adapter->mdump.md_capture_buff) 2524 return; 2525 2526 if (netxen_collect_minidump(adapter)) { 2527 adapter->mdump.has_valid_dump = 0; 2528 adapter->mdump.md_dump_size = 0; 2529 vfree(adapter->mdump.md_capture_buff); 2530 adapter->mdump.md_capture_buff = NULL; 2531 dev_err(&adapter->pdev->dev, 2532 "Error in collecting firmware minidump.\n"); 2533 } else { 2534 adapter->mdump.md_timestamp = jiffies; 2535 adapter->mdump.has_valid_dump = 1; 2536 adapter->fw_mdump_rdy = 1; 2537 dev_info(&adapter->pdev->dev, "%s Successfully " 2538 "collected fw dump.\n", adapter->netdev->name); 2539 } 2540 2541 } else { 2542 dev_info(&adapter->pdev->dev, 2543 "Cannot overwrite previously collected " 2544 "firmware minidump.\n"); 2545 adapter->fw_mdump_rdy = 1; 2546 return; 2547 } 2548 } 2549