1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2011 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 #include <linux/delay.h> 9 #include <linux/pci.h> 10 #include <linux/ratelimit.h> 11 #include <linux/vmalloc.h> 12 #include <scsi/scsi_tcq.h> 13 14 #define MASK(n) ((1ULL<<(n))-1) 15 #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | \ 16 ((addr >> 25) & 0x3ff)) 17 #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | \ 18 ((addr >> 25) & 0x3ff)) 19 #define MS_WIN(addr) (addr & 0x0ffc0000) 20 #define QLA82XX_PCI_MN_2M (0) 21 #define QLA82XX_PCI_MS_2M (0x80000) 22 #define QLA82XX_PCI_OCM0_2M (0xc0000) 23 #define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800) 24 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) 25 #define BLOCK_PROTECT_BITS 0x0F 26 27 /* CRB window related */ 28 #define CRB_BLK(off) ((off >> 20) & 0x3f) 29 #define CRB_SUBBLK(off) ((off >> 16) & 0xf) 30 #define CRB_WINDOW_2M (0x130060) 31 #define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL) 32 #define CRB_HI(off) ((qla82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \ 33 ((off) & 0xf0000)) 34 #define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL) 35 #define CRB_INDIRECT_2M (0x1e0000UL) 36 37 #define MAX_CRB_XFORM 60 38 static unsigned long crb_addr_xform[MAX_CRB_XFORM]; 39 int qla82xx_crb_table_initialized; 40 41 #define qla82xx_crb_addr_transform(name) \ 42 (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \ 43 QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20) 44 45 static void qla82xx_crb_addr_transform_setup(void) 46 { 47 qla82xx_crb_addr_transform(XDMA); 48 qla82xx_crb_addr_transform(TIMR); 49 qla82xx_crb_addr_transform(SRE); 50 qla82xx_crb_addr_transform(SQN3); 51 qla82xx_crb_addr_transform(SQN2); 52 qla82xx_crb_addr_transform(SQN1); 53 qla82xx_crb_addr_transform(SQN0); 54 qla82xx_crb_addr_transform(SQS3); 55 qla82xx_crb_addr_transform(SQS2); 56 qla82xx_crb_addr_transform(SQS1); 57 qla82xx_crb_addr_transform(SQS0); 58 qla82xx_crb_addr_transform(RPMX7); 59 qla82xx_crb_addr_transform(RPMX6); 60 qla82xx_crb_addr_transform(RPMX5); 61 qla82xx_crb_addr_transform(RPMX4); 62 qla82xx_crb_addr_transform(RPMX3); 63 qla82xx_crb_addr_transform(RPMX2); 64 qla82xx_crb_addr_transform(RPMX1); 65 qla82xx_crb_addr_transform(RPMX0); 66 qla82xx_crb_addr_transform(ROMUSB); 67 qla82xx_crb_addr_transform(SN); 68 qla82xx_crb_addr_transform(QMN); 69 qla82xx_crb_addr_transform(QMS); 70 qla82xx_crb_addr_transform(PGNI); 71 qla82xx_crb_addr_transform(PGND); 72 qla82xx_crb_addr_transform(PGN3); 73 qla82xx_crb_addr_transform(PGN2); 74 qla82xx_crb_addr_transform(PGN1); 75 qla82xx_crb_addr_transform(PGN0); 76 qla82xx_crb_addr_transform(PGSI); 77 qla82xx_crb_addr_transform(PGSD); 78 qla82xx_crb_addr_transform(PGS3); 79 qla82xx_crb_addr_transform(PGS2); 80 qla82xx_crb_addr_transform(PGS1); 81 qla82xx_crb_addr_transform(PGS0); 82 qla82xx_crb_addr_transform(PS); 83 qla82xx_crb_addr_transform(PH); 84 qla82xx_crb_addr_transform(NIU); 85 qla82xx_crb_addr_transform(I2Q); 86 qla82xx_crb_addr_transform(EG); 87 qla82xx_crb_addr_transform(MN); 88 qla82xx_crb_addr_transform(MS); 89 qla82xx_crb_addr_transform(CAS2); 90 qla82xx_crb_addr_transform(CAS1); 91 qla82xx_crb_addr_transform(CAS0); 92 qla82xx_crb_addr_transform(CAM); 93 qla82xx_crb_addr_transform(C2C1); 94 qla82xx_crb_addr_transform(C2C0); 95 qla82xx_crb_addr_transform(SMB); 96 qla82xx_crb_addr_transform(OCM0); 97 /* 98 * Used only in P3 just define it for P2 also. 99 */ 100 qla82xx_crb_addr_transform(I2C0); 101 102 qla82xx_crb_table_initialized = 1; 103 } 104 105 struct crb_128M_2M_block_map crb_128M_2M_map[64] = { 106 {{{0, 0, 0, 0} } }, 107 {{{1, 0x0100000, 0x0102000, 0x120000}, 108 {1, 0x0110000, 0x0120000, 0x130000}, 109 {1, 0x0120000, 0x0122000, 0x124000}, 110 {1, 0x0130000, 0x0132000, 0x126000}, 111 {1, 0x0140000, 0x0142000, 0x128000}, 112 {1, 0x0150000, 0x0152000, 0x12a000}, 113 {1, 0x0160000, 0x0170000, 0x110000}, 114 {1, 0x0170000, 0x0172000, 0x12e000}, 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 {1, 0x01e0000, 0x01e0800, 0x122000}, 122 {0, 0x0000000, 0x0000000, 0x000000} } } , 123 {{{1, 0x0200000, 0x0210000, 0x180000} } }, 124 {{{0, 0, 0, 0} } }, 125 {{{1, 0x0400000, 0x0401000, 0x169000} } }, 126 {{{1, 0x0500000, 0x0510000, 0x140000} } }, 127 {{{1, 0x0600000, 0x0610000, 0x1c0000} } }, 128 {{{1, 0x0700000, 0x0704000, 0x1b8000} } }, 129 {{{1, 0x0800000, 0x0802000, 0x170000}, 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 {0, 0x0000000, 0x0000000, 0x000000}, 144 {1, 0x08f0000, 0x08f2000, 0x172000} } }, 145 {{{1, 0x0900000, 0x0902000, 0x174000}, 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 {0, 0x0000000, 0x0000000, 0x000000}, 159 {0, 0x0000000, 0x0000000, 0x000000}, 160 {1, 0x09f0000, 0x09f2000, 0x176000} } }, 161 {{{0, 0x0a00000, 0x0a02000, 0x178000}, 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 {0, 0x0000000, 0x0000000, 0x000000}, 175 {0, 0x0000000, 0x0000000, 0x000000}, 176 {1, 0x0af0000, 0x0af2000, 0x17a000} } }, 177 {{{0, 0x0b00000, 0x0b02000, 0x17c000}, 178 {0, 0x0000000, 0x0000000, 0x000000}, 179 {0, 0x0000000, 0x0000000, 0x000000}, 180 {0, 0x0000000, 0x0000000, 0x000000}, 181 {0, 0x0000000, 0x0000000, 0x000000}, 182 {0, 0x0000000, 0x0000000, 0x000000}, 183 {0, 0x0000000, 0x0000000, 0x000000}, 184 {0, 0x0000000, 0x0000000, 0x000000}, 185 {0, 0x0000000, 0x0000000, 0x000000}, 186 {0, 0x0000000, 0x0000000, 0x000000}, 187 {0, 0x0000000, 0x0000000, 0x000000}, 188 {0, 0x0000000, 0x0000000, 0x000000}, 189 {0, 0x0000000, 0x0000000, 0x000000}, 190 {0, 0x0000000, 0x0000000, 0x000000}, 191 {0, 0x0000000, 0x0000000, 0x000000}, 192 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, 193 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } }, 194 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } }, 195 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } }, 196 {{{1, 0x0f00000, 0x0f01000, 0x164000} } }, 197 {{{0, 0x1000000, 0x1004000, 0x1a8000} } }, 198 {{{1, 0x1100000, 0x1101000, 0x160000} } }, 199 {{{1, 0x1200000, 0x1201000, 0x161000} } }, 200 {{{1, 0x1300000, 0x1301000, 0x162000} } }, 201 {{{1, 0x1400000, 0x1401000, 0x163000} } }, 202 {{{1, 0x1500000, 0x1501000, 0x165000} } }, 203 {{{1, 0x1600000, 0x1601000, 0x166000} } }, 204 {{{0, 0, 0, 0} } }, 205 {{{0, 0, 0, 0} } }, 206 {{{0, 0, 0, 0} } }, 207 {{{0, 0, 0, 0} } }, 208 {{{0, 0, 0, 0} } }, 209 {{{0, 0, 0, 0} } }, 210 {{{1, 0x1d00000, 0x1d10000, 0x190000} } }, 211 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } }, 212 {{{1, 0x1f00000, 0x1f10000, 0x150000} } }, 213 {{{0} } }, 214 {{{1, 0x2100000, 0x2102000, 0x120000}, 215 {1, 0x2110000, 0x2120000, 0x130000}, 216 {1, 0x2120000, 0x2122000, 0x124000}, 217 {1, 0x2130000, 0x2132000, 0x126000}, 218 {1, 0x2140000, 0x2142000, 0x128000}, 219 {1, 0x2150000, 0x2152000, 0x12a000}, 220 {1, 0x2160000, 0x2170000, 0x110000}, 221 {1, 0x2170000, 0x2172000, 0x12e000}, 222 {0, 0x0000000, 0x0000000, 0x000000}, 223 {0, 0x0000000, 0x0000000, 0x000000}, 224 {0, 0x0000000, 0x0000000, 0x000000}, 225 {0, 0x0000000, 0x0000000, 0x000000}, 226 {0, 0x0000000, 0x0000000, 0x000000}, 227 {0, 0x0000000, 0x0000000, 0x000000}, 228 {0, 0x0000000, 0x0000000, 0x000000}, 229 {0, 0x0000000, 0x0000000, 0x000000} } }, 230 {{{1, 0x2200000, 0x2204000, 0x1b0000} } }, 231 {{{0} } }, 232 {{{0} } }, 233 {{{0} } }, 234 {{{0} } }, 235 {{{0} } }, 236 {{{1, 0x2800000, 0x2804000, 0x1a4000} } }, 237 {{{1, 0x2900000, 0x2901000, 0x16b000} } }, 238 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } }, 239 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } }, 240 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } }, 241 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } }, 242 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } }, 243 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } }, 244 {{{1, 0x3000000, 0x3000400, 0x1adc00} } }, 245 {{{0, 0x3100000, 0x3104000, 0x1a8000} } }, 246 {{{1, 0x3200000, 0x3204000, 0x1d4000} } }, 247 {{{1, 0x3300000, 0x3304000, 0x1a0000} } }, 248 {{{0} } }, 249 {{{1, 0x3500000, 0x3500400, 0x1ac000} } }, 250 {{{1, 0x3600000, 0x3600400, 0x1ae000} } }, 251 {{{1, 0x3700000, 0x3700400, 0x1ae400} } }, 252 {{{1, 0x3800000, 0x3804000, 0x1d0000} } }, 253 {{{1, 0x3900000, 0x3904000, 0x1b4000} } }, 254 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } }, 255 {{{0} } }, 256 {{{0} } }, 257 {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } }, 258 {{{1, 0x3e00000, 0x3e01000, 0x167000} } }, 259 {{{1, 0x3f00000, 0x3f01000, 0x168000} } } 260 }; 261 262 /* 263 * top 12 bits of crb internal address (hub, agent) 264 */ 265 unsigned qla82xx_crb_hub_agt[64] = { 266 0, 267 QLA82XX_HW_CRB_HUB_AGT_ADR_PS, 268 QLA82XX_HW_CRB_HUB_AGT_ADR_MN, 269 QLA82XX_HW_CRB_HUB_AGT_ADR_MS, 270 0, 271 QLA82XX_HW_CRB_HUB_AGT_ADR_SRE, 272 QLA82XX_HW_CRB_HUB_AGT_ADR_NIU, 273 QLA82XX_HW_CRB_HUB_AGT_ADR_QMN, 274 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0, 275 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1, 276 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2, 277 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3, 278 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q, 279 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR, 280 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB, 281 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4, 282 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA, 283 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0, 284 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1, 285 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2, 286 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3, 287 QLA82XX_HW_CRB_HUB_AGT_ADR_PGND, 288 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI, 289 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0, 290 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1, 291 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2, 292 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3, 293 0, 294 QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI, 295 QLA82XX_HW_CRB_HUB_AGT_ADR_SN, 296 0, 297 QLA82XX_HW_CRB_HUB_AGT_ADR_EG, 298 0, 299 QLA82XX_HW_CRB_HUB_AGT_ADR_PS, 300 QLA82XX_HW_CRB_HUB_AGT_ADR_CAM, 301 0, 302 0, 303 0, 304 0, 305 0, 306 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR, 307 0, 308 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1, 309 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2, 310 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3, 311 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4, 312 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5, 313 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6, 314 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7, 315 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA, 316 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q, 317 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB, 318 0, 319 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0, 320 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8, 321 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9, 322 QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0, 323 0, 324 QLA82XX_HW_CRB_HUB_AGT_ADR_SMB, 325 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0, 326 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1, 327 0, 328 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC, 329 0, 330 }; 331 332 /* Device states */ 333 char *q_dev_state[] = { 334 "Unknown", 335 "Cold", 336 "Initializing", 337 "Ready", 338 "Need Reset", 339 "Need Quiescent", 340 "Failed", 341 "Quiescent", 342 }; 343 344 char *qdev_state(uint32_t dev_state) 345 { 346 return q_dev_state[dev_state]; 347 } 348 349 /* 350 * In: 'off' is offset from CRB space in 128M pci map 351 * Out: 'off' is 2M pci map addr 352 * side effect: lock crb window 353 */ 354 static void 355 qla82xx_pci_set_crbwindow_2M(struct qla_hw_data *ha, ulong *off) 356 { 357 u32 win_read; 358 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 359 360 ha->crb_win = CRB_HI(*off); 361 writel(ha->crb_win, 362 (void *)(CRB_WINDOW_2M + ha->nx_pcibase)); 363 364 /* Read back value to make sure write has gone through before trying 365 * to use it. 366 */ 367 win_read = RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase)); 368 if (win_read != ha->crb_win) { 369 ql_dbg(ql_dbg_p3p, vha, 0xb000, 370 "%s: Written crbwin (0x%x) " 371 "!= Read crbwin (0x%x), off=0x%lx.\n", 372 ha->crb_win, win_read, *off); 373 } 374 *off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase; 375 } 376 377 static inline unsigned long 378 qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off) 379 { 380 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 381 /* See if we are currently pointing to the region we want to use next */ 382 if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_DDR_NET)) { 383 /* No need to change window. PCIX and PCIEregs are in both 384 * regs are in both windows. 385 */ 386 return off; 387 } 388 389 if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_PCIX_HOST2)) { 390 /* We are in first CRB window */ 391 if (ha->curr_window != 0) 392 WARN_ON(1); 393 return off; 394 } 395 396 if ((off > QLA82XX_CRB_PCIX_HOST2) && (off < QLA82XX_CRB_MAX)) { 397 /* We are in second CRB window */ 398 off = off - QLA82XX_CRB_PCIX_HOST2 + QLA82XX_CRB_PCIX_HOST; 399 400 if (ha->curr_window != 1) 401 return off; 402 403 /* We are in the QM or direct access 404 * register region - do nothing 405 */ 406 if ((off >= QLA82XX_PCI_DIRECT_CRB) && 407 (off < QLA82XX_PCI_CAMQM_MAX)) 408 return off; 409 } 410 /* strange address given */ 411 ql_dbg(ql_dbg_p3p, vha, 0xb001, 412 "%x: Warning: unm_nic_pci_set_crbwindow " 413 "called with an unknown address(%llx).\n", 414 QLA2XXX_DRIVER_NAME, off); 415 return off; 416 } 417 418 static int 419 qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong *off) 420 { 421 struct crb_128M_2M_sub_block_map *m; 422 423 if (*off >= QLA82XX_CRB_MAX) 424 return -1; 425 426 if (*off >= QLA82XX_PCI_CAMQM && (*off < QLA82XX_PCI_CAMQM_2M_END)) { 427 *off = (*off - QLA82XX_PCI_CAMQM) + 428 QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase; 429 return 0; 430 } 431 432 if (*off < QLA82XX_PCI_CRBSPACE) 433 return -1; 434 435 *off -= QLA82XX_PCI_CRBSPACE; 436 437 /* Try direct map */ 438 m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)]; 439 440 if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) { 441 *off = *off + m->start_2M - m->start_128M + ha->nx_pcibase; 442 return 0; 443 } 444 /* Not in direct map, use crb window */ 445 return 1; 446 } 447 448 #define CRB_WIN_LOCK_TIMEOUT 100000000 449 static int qla82xx_crb_win_lock(struct qla_hw_data *ha) 450 { 451 int done = 0, timeout = 0; 452 453 while (!done) { 454 /* acquire semaphore3 from PCI HW block */ 455 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK)); 456 if (done == 1) 457 break; 458 if (timeout >= CRB_WIN_LOCK_TIMEOUT) 459 return -1; 460 timeout++; 461 } 462 qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->portnum); 463 return 0; 464 } 465 466 int 467 qla82xx_wr_32(struct qla_hw_data *ha, ulong off, u32 data) 468 { 469 unsigned long flags = 0; 470 int rv; 471 472 rv = qla82xx_pci_get_crb_addr_2M(ha, &off); 473 474 BUG_ON(rv == -1); 475 476 if (rv == 1) { 477 write_lock_irqsave(&ha->hw_lock, flags); 478 qla82xx_crb_win_lock(ha); 479 qla82xx_pci_set_crbwindow_2M(ha, &off); 480 } 481 482 writel(data, (void __iomem *)off); 483 484 if (rv == 1) { 485 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK)); 486 write_unlock_irqrestore(&ha->hw_lock, flags); 487 } 488 return 0; 489 } 490 491 int 492 qla82xx_rd_32(struct qla_hw_data *ha, ulong off) 493 { 494 unsigned long flags = 0; 495 int rv; 496 u32 data; 497 498 rv = qla82xx_pci_get_crb_addr_2M(ha, &off); 499 500 BUG_ON(rv == -1); 501 502 if (rv == 1) { 503 write_lock_irqsave(&ha->hw_lock, flags); 504 qla82xx_crb_win_lock(ha); 505 qla82xx_pci_set_crbwindow_2M(ha, &off); 506 } 507 data = RD_REG_DWORD((void __iomem *)off); 508 509 if (rv == 1) { 510 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK)); 511 write_unlock_irqrestore(&ha->hw_lock, flags); 512 } 513 return data; 514 } 515 516 #define IDC_LOCK_TIMEOUT 100000000 517 int qla82xx_idc_lock(struct qla_hw_data *ha) 518 { 519 int i; 520 int done = 0, timeout = 0; 521 522 while (!done) { 523 /* acquire semaphore5 from PCI HW block */ 524 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK)); 525 if (done == 1) 526 break; 527 if (timeout >= IDC_LOCK_TIMEOUT) 528 return -1; 529 530 timeout++; 531 532 /* Yield CPU */ 533 if (!in_interrupt()) 534 schedule(); 535 else { 536 for (i = 0; i < 20; i++) 537 cpu_relax(); 538 } 539 } 540 541 return 0; 542 } 543 544 void qla82xx_idc_unlock(struct qla_hw_data *ha) 545 { 546 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK)); 547 } 548 549 /* PCI Windowing for DDR regions. */ 550 #define QLA82XX_ADDR_IN_RANGE(addr, low, high) \ 551 (((addr) <= (high)) && ((addr) >= (low))) 552 /* 553 * check memory access boundary. 554 * used by test agent. support ddr access only for now 555 */ 556 static unsigned long 557 qla82xx_pci_mem_bound_check(struct qla_hw_data *ha, 558 unsigned long long addr, int size) 559 { 560 if (!QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET, 561 QLA82XX_ADDR_DDR_NET_MAX) || 562 !QLA82XX_ADDR_IN_RANGE(addr + size - 1, QLA82XX_ADDR_DDR_NET, 563 QLA82XX_ADDR_DDR_NET_MAX) || 564 ((size != 1) && (size != 2) && (size != 4) && (size != 8))) 565 return 0; 566 else 567 return 1; 568 } 569 570 int qla82xx_pci_set_window_warning_count; 571 572 static unsigned long 573 qla82xx_pci_set_window(struct qla_hw_data *ha, unsigned long long addr) 574 { 575 int window; 576 u32 win_read; 577 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 578 579 if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET, 580 QLA82XX_ADDR_DDR_NET_MAX)) { 581 /* DDR network side */ 582 window = MN_WIN(addr); 583 ha->ddr_mn_window = window; 584 qla82xx_wr_32(ha, 585 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window); 586 win_read = qla82xx_rd_32(ha, 587 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE); 588 if ((win_read << 17) != window) { 589 ql_dbg(ql_dbg_p3p, vha, 0xb003, 590 "%s: Written MNwin (0x%x) != Read MNwin (0x%x).\n", 591 __func__, window, win_read); 592 } 593 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET; 594 } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0, 595 QLA82XX_ADDR_OCM0_MAX)) { 596 unsigned int temp1; 597 if ((addr & 0x00ff800) == 0xff800) { 598 ql_log(ql_log_warn, vha, 0xb004, 599 "%s: QM access not handled.\n", __func__); 600 addr = -1UL; 601 } 602 window = OCM_WIN(addr); 603 ha->ddr_mn_window = window; 604 qla82xx_wr_32(ha, 605 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window); 606 win_read = qla82xx_rd_32(ha, 607 ha->mn_win_crb | QLA82XX_PCI_CRBSPACE); 608 temp1 = ((window & 0x1FF) << 7) | 609 ((window & 0x0FFFE0000) >> 17); 610 if (win_read != temp1) { 611 ql_log(ql_log_warn, vha, 0xb005, 612 "%s: Written OCMwin (0x%x) != Read OCMwin (0x%x).\n", 613 __func__, temp1, win_read); 614 } 615 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M; 616 617 } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET, 618 QLA82XX_P3_ADDR_QDR_NET_MAX)) { 619 /* QDR network side */ 620 window = MS_WIN(addr); 621 ha->qdr_sn_window = window; 622 qla82xx_wr_32(ha, 623 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE, window); 624 win_read = qla82xx_rd_32(ha, 625 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE); 626 if (win_read != window) { 627 ql_log(ql_log_warn, vha, 0xb006, 628 "%s: Written MSwin (0x%x) != Read MSwin (0x%x).\n", 629 __func__, window, win_read); 630 } 631 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET; 632 } else { 633 /* 634 * peg gdb frequently accesses memory that doesn't exist, 635 * this limits the chit chat so debugging isn't slowed down. 636 */ 637 if ((qla82xx_pci_set_window_warning_count++ < 8) || 638 (qla82xx_pci_set_window_warning_count%64 == 0)) { 639 ql_log(ql_log_warn, vha, 0xb007, 640 "%s: Warning:%s Unknown address range!.\n", 641 __func__, QLA2XXX_DRIVER_NAME); 642 } 643 addr = -1UL; 644 } 645 return addr; 646 } 647 648 /* check if address is in the same windows as the previous access */ 649 static int qla82xx_pci_is_same_window(struct qla_hw_data *ha, 650 unsigned long long addr) 651 { 652 int window; 653 unsigned long long qdr_max; 654 655 qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX; 656 657 /* DDR network side */ 658 if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET, 659 QLA82XX_ADDR_DDR_NET_MAX)) 660 BUG(); 661 else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0, 662 QLA82XX_ADDR_OCM0_MAX)) 663 return 1; 664 else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM1, 665 QLA82XX_ADDR_OCM1_MAX)) 666 return 1; 667 else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET, qdr_max)) { 668 /* QDR network side */ 669 window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f; 670 if (ha->qdr_sn_window == window) 671 return 1; 672 } 673 return 0; 674 } 675 676 static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha, 677 u64 off, void *data, int size) 678 { 679 unsigned long flags; 680 void *addr = NULL; 681 int ret = 0; 682 u64 start; 683 uint8_t *mem_ptr = NULL; 684 unsigned long mem_base; 685 unsigned long mem_page; 686 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 687 688 write_lock_irqsave(&ha->hw_lock, flags); 689 690 /* 691 * If attempting to access unknown address or straddle hw windows, 692 * do not access. 693 */ 694 start = qla82xx_pci_set_window(ha, off); 695 if ((start == -1UL) || 696 (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) { 697 write_unlock_irqrestore(&ha->hw_lock, flags); 698 ql_log(ql_log_fatal, vha, 0xb008, 699 "%s out of bound pci memory " 700 "access, offset is 0x%llx.\n", 701 QLA2XXX_DRIVER_NAME, off); 702 return -1; 703 } 704 705 write_unlock_irqrestore(&ha->hw_lock, flags); 706 mem_base = pci_resource_start(ha->pdev, 0); 707 mem_page = start & PAGE_MASK; 708 /* Map two pages whenever user tries to access addresses in two 709 * consecutive pages. 710 */ 711 if (mem_page != ((start + size - 1) & PAGE_MASK)) 712 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2); 713 else 714 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); 715 if (mem_ptr == 0UL) { 716 *(u8 *)data = 0; 717 return -1; 718 } 719 addr = mem_ptr; 720 addr += start & (PAGE_SIZE - 1); 721 write_lock_irqsave(&ha->hw_lock, flags); 722 723 switch (size) { 724 case 1: 725 *(u8 *)data = readb(addr); 726 break; 727 case 2: 728 *(u16 *)data = readw(addr); 729 break; 730 case 4: 731 *(u32 *)data = readl(addr); 732 break; 733 case 8: 734 *(u64 *)data = readq(addr); 735 break; 736 default: 737 ret = -1; 738 break; 739 } 740 write_unlock_irqrestore(&ha->hw_lock, flags); 741 742 if (mem_ptr) 743 iounmap(mem_ptr); 744 return ret; 745 } 746 747 static int 748 qla82xx_pci_mem_write_direct(struct qla_hw_data *ha, 749 u64 off, void *data, int size) 750 { 751 unsigned long flags; 752 void *addr = NULL; 753 int ret = 0; 754 u64 start; 755 uint8_t *mem_ptr = NULL; 756 unsigned long mem_base; 757 unsigned long mem_page; 758 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 759 760 write_lock_irqsave(&ha->hw_lock, flags); 761 762 /* 763 * If attempting to access unknown address or straddle hw windows, 764 * do not access. 765 */ 766 start = qla82xx_pci_set_window(ha, off); 767 if ((start == -1UL) || 768 (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) { 769 write_unlock_irqrestore(&ha->hw_lock, flags); 770 ql_log(ql_log_fatal, vha, 0xb009, 771 "%s out of bount memory " 772 "access, offset is 0x%llx.\n", 773 QLA2XXX_DRIVER_NAME, off); 774 return -1; 775 } 776 777 write_unlock_irqrestore(&ha->hw_lock, flags); 778 mem_base = pci_resource_start(ha->pdev, 0); 779 mem_page = start & PAGE_MASK; 780 /* Map two pages whenever user tries to access addresses in two 781 * consecutive pages. 782 */ 783 if (mem_page != ((start + size - 1) & PAGE_MASK)) 784 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2); 785 else 786 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); 787 if (mem_ptr == 0UL) 788 return -1; 789 790 addr = mem_ptr; 791 addr += start & (PAGE_SIZE - 1); 792 write_lock_irqsave(&ha->hw_lock, flags); 793 794 switch (size) { 795 case 1: 796 writeb(*(u8 *)data, addr); 797 break; 798 case 2: 799 writew(*(u16 *)data, addr); 800 break; 801 case 4: 802 writel(*(u32 *)data, addr); 803 break; 804 case 8: 805 writeq(*(u64 *)data, addr); 806 break; 807 default: 808 ret = -1; 809 break; 810 } 811 write_unlock_irqrestore(&ha->hw_lock, flags); 812 if (mem_ptr) 813 iounmap(mem_ptr); 814 return ret; 815 } 816 817 #define MTU_FUDGE_FACTOR 100 818 static unsigned long 819 qla82xx_decode_crb_addr(unsigned long addr) 820 { 821 int i; 822 unsigned long base_addr, offset, pci_base; 823 824 if (!qla82xx_crb_table_initialized) 825 qla82xx_crb_addr_transform_setup(); 826 827 pci_base = ADDR_ERROR; 828 base_addr = addr & 0xfff00000; 829 offset = addr & 0x000fffff; 830 831 for (i = 0; i < MAX_CRB_XFORM; i++) { 832 if (crb_addr_xform[i] == base_addr) { 833 pci_base = i << 20; 834 break; 835 } 836 } 837 if (pci_base == ADDR_ERROR) 838 return pci_base; 839 return pci_base + offset; 840 } 841 842 static long rom_max_timeout = 100; 843 static long qla82xx_rom_lock_timeout = 100; 844 845 static int 846 qla82xx_rom_lock(struct qla_hw_data *ha) 847 { 848 int done = 0, timeout = 0; 849 850 while (!done) { 851 /* acquire semaphore2 from PCI HW block */ 852 done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK)); 853 if (done == 1) 854 break; 855 if (timeout >= qla82xx_rom_lock_timeout) 856 return -1; 857 timeout++; 858 } 859 qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER); 860 return 0; 861 } 862 863 static void 864 qla82xx_rom_unlock(struct qla_hw_data *ha) 865 { 866 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); 867 } 868 869 static int 870 qla82xx_wait_rom_busy(struct qla_hw_data *ha) 871 { 872 long timeout = 0; 873 long done = 0 ; 874 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 875 876 while (done == 0) { 877 done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS); 878 done &= 4; 879 timeout++; 880 if (timeout >= rom_max_timeout) { 881 ql_dbg(ql_dbg_p3p, vha, 0xb00a, 882 "%s: Timeout reached waiting for rom busy.\n", 883 QLA2XXX_DRIVER_NAME); 884 return -1; 885 } 886 } 887 return 0; 888 } 889 890 static int 891 qla82xx_wait_rom_done(struct qla_hw_data *ha) 892 { 893 long timeout = 0; 894 long done = 0 ; 895 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 896 897 while (done == 0) { 898 done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS); 899 done &= 2; 900 timeout++; 901 if (timeout >= rom_max_timeout) { 902 ql_dbg(ql_dbg_p3p, vha, 0xb00b, 903 "%s: Timeout reached waiting for rom done.\n", 904 QLA2XXX_DRIVER_NAME); 905 return -1; 906 } 907 } 908 return 0; 909 } 910 911 static int 912 qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp) 913 { 914 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 915 916 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr); 917 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); 918 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); 919 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0xb); 920 qla82xx_wait_rom_busy(ha); 921 if (qla82xx_wait_rom_done(ha)) { 922 ql_log(ql_log_fatal, vha, 0x00ba, 923 "Error waiting for rom done.\n"); 924 return -1; 925 } 926 /* Reset abyte_cnt and dummy_byte_cnt */ 927 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); 928 udelay(10); 929 cond_resched(); 930 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); 931 *valp = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA); 932 return 0; 933 } 934 935 static int 936 qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp) 937 { 938 int ret, loops = 0; 939 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 940 941 while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) { 942 udelay(100); 943 schedule(); 944 loops++; 945 } 946 if (loops >= 50000) { 947 ql_log(ql_log_fatal, vha, 0x00b9, 948 "Failed to aquire SEM2 lock.\n"); 949 return -1; 950 } 951 ret = qla82xx_do_rom_fast_read(ha, addr, valp); 952 qla82xx_rom_unlock(ha); 953 return ret; 954 } 955 956 static int 957 qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val) 958 { 959 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 960 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_RDSR); 961 qla82xx_wait_rom_busy(ha); 962 if (qla82xx_wait_rom_done(ha)) { 963 ql_log(ql_log_warn, vha, 0xb00c, 964 "Error waiting for rom done.\n"); 965 return -1; 966 } 967 *val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA); 968 return 0; 969 } 970 971 static int 972 qla82xx_flash_wait_write_finish(struct qla_hw_data *ha) 973 { 974 long timeout = 0; 975 uint32_t done = 1 ; 976 uint32_t val; 977 int ret = 0; 978 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 979 980 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); 981 while ((done != 0) && (ret == 0)) { 982 ret = qla82xx_read_status_reg(ha, &val); 983 done = val & 1; 984 timeout++; 985 udelay(10); 986 cond_resched(); 987 if (timeout >= 50000) { 988 ql_log(ql_log_warn, vha, 0xb00d, 989 "Timeout reached waiting for write finish.\n"); 990 return -1; 991 } 992 } 993 return ret; 994 } 995 996 static int 997 qla82xx_flash_set_write_enable(struct qla_hw_data *ha) 998 { 999 uint32_t val; 1000 qla82xx_wait_rom_busy(ha); 1001 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); 1002 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WREN); 1003 qla82xx_wait_rom_busy(ha); 1004 if (qla82xx_wait_rom_done(ha)) 1005 return -1; 1006 if (qla82xx_read_status_reg(ha, &val) != 0) 1007 return -1; 1008 if ((val & 2) != 2) 1009 return -1; 1010 return 0; 1011 } 1012 1013 static int 1014 qla82xx_write_status_reg(struct qla_hw_data *ha, uint32_t val) 1015 { 1016 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 1017 if (qla82xx_flash_set_write_enable(ha)) 1018 return -1; 1019 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, val); 1020 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0x1); 1021 if (qla82xx_wait_rom_done(ha)) { 1022 ql_log(ql_log_warn, vha, 0xb00e, 1023 "Error waiting for rom done.\n"); 1024 return -1; 1025 } 1026 return qla82xx_flash_wait_write_finish(ha); 1027 } 1028 1029 static int 1030 qla82xx_write_disable_flash(struct qla_hw_data *ha) 1031 { 1032 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 1033 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WRDI); 1034 if (qla82xx_wait_rom_done(ha)) { 1035 ql_log(ql_log_warn, vha, 0xb00f, 1036 "Error waiting for rom done.\n"); 1037 return -1; 1038 } 1039 return 0; 1040 } 1041 1042 static int 1043 ql82xx_rom_lock_d(struct qla_hw_data *ha) 1044 { 1045 int loops = 0; 1046 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 1047 1048 while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) { 1049 udelay(100); 1050 cond_resched(); 1051 loops++; 1052 } 1053 if (loops >= 50000) { 1054 ql_log(ql_log_warn, vha, 0xb010, 1055 "ROM lock failed.\n"); 1056 return -1; 1057 } 1058 return 0;; 1059 } 1060 1061 static int 1062 qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr, 1063 uint32_t data) 1064 { 1065 int ret = 0; 1066 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 1067 1068 ret = ql82xx_rom_lock_d(ha); 1069 if (ret < 0) { 1070 ql_log(ql_log_warn, vha, 0xb011, 1071 "ROM lock failed.\n"); 1072 return ret; 1073 } 1074 1075 if (qla82xx_flash_set_write_enable(ha)) 1076 goto done_write; 1077 1078 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data); 1079 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, flashaddr); 1080 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); 1081 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_PP); 1082 qla82xx_wait_rom_busy(ha); 1083 if (qla82xx_wait_rom_done(ha)) { 1084 ql_log(ql_log_warn, vha, 0xb012, 1085 "Error waiting for rom done.\n"); 1086 ret = -1; 1087 goto done_write; 1088 } 1089 1090 ret = qla82xx_flash_wait_write_finish(ha); 1091 1092 done_write: 1093 qla82xx_rom_unlock(ha); 1094 return ret; 1095 } 1096 1097 /* This routine does CRB initialize sequence 1098 * to put the ISP into operational state 1099 */ 1100 static int 1101 qla82xx_pinit_from_rom(scsi_qla_host_t *vha) 1102 { 1103 int addr, val; 1104 int i ; 1105 struct crb_addr_pair *buf; 1106 unsigned long off; 1107 unsigned offset, n; 1108 struct qla_hw_data *ha = vha->hw; 1109 1110 struct crb_addr_pair { 1111 long addr; 1112 long data; 1113 }; 1114 1115 /* Halt all the indiviual PEGs and other blocks of the ISP */ 1116 qla82xx_rom_lock(ha); 1117 1118 /* disable all I2Q */ 1119 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x10, 0x0); 1120 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x14, 0x0); 1121 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x18, 0x0); 1122 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x1c, 0x0); 1123 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x20, 0x0); 1124 qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x24, 0x0); 1125 1126 /* disable all niu interrupts */ 1127 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff); 1128 /* disable xge rx/tx */ 1129 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00); 1130 /* disable xg1 rx/tx */ 1131 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00); 1132 /* disable sideband mac */ 1133 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x90000, 0x00); 1134 /* disable ap0 mac */ 1135 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xa0000, 0x00); 1136 /* disable ap1 mac */ 1137 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xb0000, 0x00); 1138 1139 /* halt sre */ 1140 val = qla82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000); 1141 qla82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1))); 1142 1143 /* halt epg */ 1144 qla82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1); 1145 1146 /* halt timers */ 1147 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0); 1148 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0); 1149 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0); 1150 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0); 1151 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0); 1152 qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x200, 0x0); 1153 1154 /* halt pegs */ 1155 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1); 1156 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1); 1157 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1); 1158 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1); 1159 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1); 1160 msleep(20); 1161 1162 /* big hammer */ 1163 if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) 1164 /* don't reset CAM block on reset */ 1165 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff); 1166 else 1167 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff); 1168 1169 /* reset ms */ 1170 val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); 1171 val |= (1 << 1); 1172 qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); 1173 msleep(20); 1174 1175 /* unreset ms */ 1176 val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); 1177 val &= ~(1 << 1); 1178 qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); 1179 msleep(20); 1180 1181 qla82xx_rom_unlock(ha); 1182 1183 /* Read the signature value from the flash. 1184 * Offset 0: Contain signature (0xcafecafe) 1185 * Offset 4: Offset and number of addr/value pairs 1186 * that present in CRB initialize sequence 1187 */ 1188 if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL || 1189 qla82xx_rom_fast_read(ha, 4, &n) != 0) { 1190 ql_log(ql_log_fatal, vha, 0x006e, 1191 "Error Reading crb_init area: n: %08x.\n", n); 1192 return -1; 1193 } 1194 1195 /* Offset in flash = lower 16 bits 1196 * Number of enteries = upper 16 bits 1197 */ 1198 offset = n & 0xffffU; 1199 n = (n >> 16) & 0xffffU; 1200 1201 /* number of addr/value pair should not exceed 1024 enteries */ 1202 if (n >= 1024) { 1203 ql_log(ql_log_fatal, vha, 0x0071, 1204 "Card flash not initialized:n=0x%x.\n", n); 1205 return -1; 1206 } 1207 1208 ql_log(ql_log_info, vha, 0x0072, 1209 "%d CRB init values found in ROM.\n", n); 1210 1211 buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL); 1212 if (buf == NULL) { 1213 ql_log(ql_log_fatal, vha, 0x010c, 1214 "Unable to allocate memory.\n"); 1215 return -1; 1216 } 1217 1218 for (i = 0; i < n; i++) { 1219 if (qla82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 || 1220 qla82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 0) { 1221 kfree(buf); 1222 return -1; 1223 } 1224 1225 buf[i].addr = addr; 1226 buf[i].data = val; 1227 } 1228 1229 for (i = 0; i < n; i++) { 1230 /* Translate internal CRB initialization 1231 * address to PCI bus address 1232 */ 1233 off = qla82xx_decode_crb_addr((unsigned long)buf[i].addr) + 1234 QLA82XX_PCI_CRBSPACE; 1235 /* Not all CRB addr/value pair to be written, 1236 * some of them are skipped 1237 */ 1238 1239 /* skipping cold reboot MAGIC */ 1240 if (off == QLA82XX_CAM_RAM(0x1fc)) 1241 continue; 1242 1243 /* do not reset PCI */ 1244 if (off == (ROMUSB_GLB + 0xbc)) 1245 continue; 1246 1247 /* skip core clock, so that firmware can increase the clock */ 1248 if (off == (ROMUSB_GLB + 0xc8)) 1249 continue; 1250 1251 /* skip the function enable register */ 1252 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION)) 1253 continue; 1254 1255 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2)) 1256 continue; 1257 1258 if ((off & 0x0ff00000) == QLA82XX_CRB_SMB) 1259 continue; 1260 1261 if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET) 1262 continue; 1263 1264 if (off == ADDR_ERROR) { 1265 ql_log(ql_log_fatal, vha, 0x0116, 1266 "Unknow addr: 0x%08lx.\n", buf[i].addr); 1267 continue; 1268 } 1269 1270 qla82xx_wr_32(ha, off, buf[i].data); 1271 1272 /* ISP requires much bigger delay to settle down, 1273 * else crb_window returns 0xffffffff 1274 */ 1275 if (off == QLA82XX_ROMUSB_GLB_SW_RESET) 1276 msleep(1000); 1277 1278 /* ISP requires millisec delay between 1279 * successive CRB register updation 1280 */ 1281 msleep(1); 1282 } 1283 1284 kfree(buf); 1285 1286 /* Resetting the data and instruction cache */ 1287 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e); 1288 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8); 1289 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8); 1290 1291 /* Clear all protocol processing engines */ 1292 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0); 1293 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0); 1294 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0); 1295 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0); 1296 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0); 1297 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0); 1298 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0); 1299 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0); 1300 return 0; 1301 } 1302 1303 static int 1304 qla82xx_pci_mem_write_2M(struct qla_hw_data *ha, 1305 u64 off, void *data, int size) 1306 { 1307 int i, j, ret = 0, loop, sz[2], off0; 1308 int scale, shift_amount, startword; 1309 uint32_t temp; 1310 uint64_t off8, mem_crb, tmpw, word[2] = {0, 0}; 1311 1312 /* 1313 * If not MN, go check for MS or invalid. 1314 */ 1315 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) 1316 mem_crb = QLA82XX_CRB_QDR_NET; 1317 else { 1318 mem_crb = QLA82XX_CRB_DDR_NET; 1319 if (qla82xx_pci_mem_bound_check(ha, off, size) == 0) 1320 return qla82xx_pci_mem_write_direct(ha, 1321 off, data, size); 1322 } 1323 1324 off0 = off & 0x7; 1325 sz[0] = (size < (8 - off0)) ? size : (8 - off0); 1326 sz[1] = size - sz[0]; 1327 1328 off8 = off & 0xfffffff0; 1329 loop = (((off & 0xf) + size - 1) >> 4) + 1; 1330 shift_amount = 4; 1331 scale = 2; 1332 startword = (off & 0xf)/8; 1333 1334 for (i = 0; i < loop; i++) { 1335 if (qla82xx_pci_mem_read_2M(ha, off8 + 1336 (i << shift_amount), &word[i * scale], 8)) 1337 return -1; 1338 } 1339 1340 switch (size) { 1341 case 1: 1342 tmpw = *((uint8_t *)data); 1343 break; 1344 case 2: 1345 tmpw = *((uint16_t *)data); 1346 break; 1347 case 4: 1348 tmpw = *((uint32_t *)data); 1349 break; 1350 case 8: 1351 default: 1352 tmpw = *((uint64_t *)data); 1353 break; 1354 } 1355 1356 if (sz[0] == 8) { 1357 word[startword] = tmpw; 1358 } else { 1359 word[startword] &= 1360 ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8)); 1361 word[startword] |= tmpw << (off0 * 8); 1362 } 1363 if (sz[1] != 0) { 1364 word[startword+1] &= ~(~0ULL << (sz[1] * 8)); 1365 word[startword+1] |= tmpw >> (sz[0] * 8); 1366 } 1367 1368 for (i = 0; i < loop; i++) { 1369 temp = off8 + (i << shift_amount); 1370 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp); 1371 temp = 0; 1372 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp); 1373 temp = word[i * scale] & 0xffffffff; 1374 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp); 1375 temp = (word[i * scale] >> 32) & 0xffffffff; 1376 qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp); 1377 temp = word[i*scale + 1] & 0xffffffff; 1378 qla82xx_wr_32(ha, mem_crb + 1379 MIU_TEST_AGT_WRDATA_UPPER_LO, temp); 1380 temp = (word[i*scale + 1] >> 32) & 0xffffffff; 1381 qla82xx_wr_32(ha, mem_crb + 1382 MIU_TEST_AGT_WRDATA_UPPER_HI, temp); 1383 1384 temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE; 1385 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 1386 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE; 1387 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 1388 1389 for (j = 0; j < MAX_CTL_CHECK; j++) { 1390 temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL); 1391 if ((temp & MIU_TA_CTL_BUSY) == 0) 1392 break; 1393 } 1394 1395 if (j >= MAX_CTL_CHECK) { 1396 if (printk_ratelimit()) 1397 dev_err(&ha->pdev->dev, 1398 "failed to write through agent.\n"); 1399 ret = -1; 1400 break; 1401 } 1402 } 1403 1404 return ret; 1405 } 1406 1407 static int 1408 qla82xx_fw_load_from_flash(struct qla_hw_data *ha) 1409 { 1410 int i; 1411 long size = 0; 1412 long flashaddr = ha->flt_region_bootload << 2; 1413 long memaddr = BOOTLD_START; 1414 u64 data; 1415 u32 high, low; 1416 size = (IMAGE_START - BOOTLD_START) / 8; 1417 1418 for (i = 0; i < size; i++) { 1419 if ((qla82xx_rom_fast_read(ha, flashaddr, (int *)&low)) || 1420 (qla82xx_rom_fast_read(ha, flashaddr + 4, (int *)&high))) { 1421 return -1; 1422 } 1423 data = ((u64)high << 32) | low ; 1424 qla82xx_pci_mem_write_2M(ha, memaddr, &data, 8); 1425 flashaddr += 8; 1426 memaddr += 8; 1427 1428 if (i % 0x1000 == 0) 1429 msleep(1); 1430 } 1431 udelay(100); 1432 read_lock(&ha->hw_lock); 1433 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020); 1434 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e); 1435 read_unlock(&ha->hw_lock); 1436 return 0; 1437 } 1438 1439 int 1440 qla82xx_pci_mem_read_2M(struct qla_hw_data *ha, 1441 u64 off, void *data, int size) 1442 { 1443 int i, j = 0, k, start, end, loop, sz[2], off0[2]; 1444 int shift_amount; 1445 uint32_t temp; 1446 uint64_t off8, val, mem_crb, word[2] = {0, 0}; 1447 1448 /* 1449 * If not MN, go check for MS or invalid. 1450 */ 1451 1452 if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) 1453 mem_crb = QLA82XX_CRB_QDR_NET; 1454 else { 1455 mem_crb = QLA82XX_CRB_DDR_NET; 1456 if (qla82xx_pci_mem_bound_check(ha, off, size) == 0) 1457 return qla82xx_pci_mem_read_direct(ha, 1458 off, data, size); 1459 } 1460 1461 off8 = off & 0xfffffff0; 1462 off0[0] = off & 0xf; 1463 sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]); 1464 shift_amount = 4; 1465 loop = ((off0[0] + size - 1) >> shift_amount) + 1; 1466 off0[1] = 0; 1467 sz[1] = size - sz[0]; 1468 1469 for (i = 0; i < loop; i++) { 1470 temp = off8 + (i << shift_amount); 1471 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp); 1472 temp = 0; 1473 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp); 1474 temp = MIU_TA_CTL_ENABLE; 1475 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 1476 temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE; 1477 qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 1478 1479 for (j = 0; j < MAX_CTL_CHECK; j++) { 1480 temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL); 1481 if ((temp & MIU_TA_CTL_BUSY) == 0) 1482 break; 1483 } 1484 1485 if (j >= MAX_CTL_CHECK) { 1486 if (printk_ratelimit()) 1487 dev_err(&ha->pdev->dev, 1488 "failed to read through agent.\n"); 1489 break; 1490 } 1491 1492 start = off0[i] >> 2; 1493 end = (off0[i] + sz[i] - 1) >> 2; 1494 for (k = start; k <= end; k++) { 1495 temp = qla82xx_rd_32(ha, 1496 mem_crb + MIU_TEST_AGT_RDDATA(k)); 1497 word[i] |= ((uint64_t)temp << (32 * (k & 1))); 1498 } 1499 } 1500 1501 if (j >= MAX_CTL_CHECK) 1502 return -1; 1503 1504 if ((off0[0] & 7) == 0) { 1505 val = word[0]; 1506 } else { 1507 val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) | 1508 ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8)); 1509 } 1510 1511 switch (size) { 1512 case 1: 1513 *(uint8_t *)data = val; 1514 break; 1515 case 2: 1516 *(uint16_t *)data = val; 1517 break; 1518 case 4: 1519 *(uint32_t *)data = val; 1520 break; 1521 case 8: 1522 *(uint64_t *)data = val; 1523 break; 1524 } 1525 return 0; 1526 } 1527 1528 1529 static struct qla82xx_uri_table_desc * 1530 qla82xx_get_table_desc(const u8 *unirom, int section) 1531 { 1532 uint32_t i; 1533 struct qla82xx_uri_table_desc *directory = 1534 (struct qla82xx_uri_table_desc *)&unirom[0]; 1535 __le32 offset; 1536 __le32 tab_type; 1537 __le32 entries = cpu_to_le32(directory->num_entries); 1538 1539 for (i = 0; i < entries; i++) { 1540 offset = cpu_to_le32(directory->findex) + 1541 (i * cpu_to_le32(directory->entry_size)); 1542 tab_type = cpu_to_le32(*((u32 *)&unirom[offset] + 8)); 1543 1544 if (tab_type == section) 1545 return (struct qla82xx_uri_table_desc *)&unirom[offset]; 1546 } 1547 1548 return NULL; 1549 } 1550 1551 static struct qla82xx_uri_data_desc * 1552 qla82xx_get_data_desc(struct qla_hw_data *ha, 1553 u32 section, u32 idx_offset) 1554 { 1555 const u8 *unirom = ha->hablob->fw->data; 1556 int idx = cpu_to_le32(*((int *)&unirom[ha->file_prd_off] + idx_offset)); 1557 struct qla82xx_uri_table_desc *tab_desc = NULL; 1558 __le32 offset; 1559 1560 tab_desc = qla82xx_get_table_desc(unirom, section); 1561 if (!tab_desc) 1562 return NULL; 1563 1564 offset = cpu_to_le32(tab_desc->findex) + 1565 (cpu_to_le32(tab_desc->entry_size) * idx); 1566 1567 return (struct qla82xx_uri_data_desc *)&unirom[offset]; 1568 } 1569 1570 static u8 * 1571 qla82xx_get_bootld_offset(struct qla_hw_data *ha) 1572 { 1573 u32 offset = BOOTLD_START; 1574 struct qla82xx_uri_data_desc *uri_desc = NULL; 1575 1576 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { 1577 uri_desc = qla82xx_get_data_desc(ha, 1578 QLA82XX_URI_DIR_SECT_BOOTLD, QLA82XX_URI_BOOTLD_IDX_OFF); 1579 if (uri_desc) 1580 offset = cpu_to_le32(uri_desc->findex); 1581 } 1582 1583 return (u8 *)&ha->hablob->fw->data[offset]; 1584 } 1585 1586 static __le32 1587 qla82xx_get_fw_size(struct qla_hw_data *ha) 1588 { 1589 struct qla82xx_uri_data_desc *uri_desc = NULL; 1590 1591 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { 1592 uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW, 1593 QLA82XX_URI_FIRMWARE_IDX_OFF); 1594 if (uri_desc) 1595 return cpu_to_le32(uri_desc->size); 1596 } 1597 1598 return cpu_to_le32(*(u32 *)&ha->hablob->fw->data[FW_SIZE_OFFSET]); 1599 } 1600 1601 static u8 * 1602 qla82xx_get_fw_offs(struct qla_hw_data *ha) 1603 { 1604 u32 offset = IMAGE_START; 1605 struct qla82xx_uri_data_desc *uri_desc = NULL; 1606 1607 if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { 1608 uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW, 1609 QLA82XX_URI_FIRMWARE_IDX_OFF); 1610 if (uri_desc) 1611 offset = cpu_to_le32(uri_desc->findex); 1612 } 1613 1614 return (u8 *)&ha->hablob->fw->data[offset]; 1615 } 1616 1617 /* PCI related functions */ 1618 char * 1619 qla82xx_pci_info_str(struct scsi_qla_host *vha, char *str) 1620 { 1621 int pcie_reg; 1622 struct qla_hw_data *ha = vha->hw; 1623 char lwstr[6]; 1624 uint16_t lnk; 1625 1626 pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); 1627 pci_read_config_word(ha->pdev, pcie_reg + PCI_EXP_LNKSTA, &lnk); 1628 ha->link_width = (lnk >> 4) & 0x3f; 1629 1630 strcpy(str, "PCIe ("); 1631 strcat(str, "2.5Gb/s "); 1632 snprintf(lwstr, sizeof(lwstr), "x%d)", ha->link_width); 1633 strcat(str, lwstr); 1634 return str; 1635 } 1636 1637 int qla82xx_pci_region_offset(struct pci_dev *pdev, int region) 1638 { 1639 unsigned long val = 0; 1640 u32 control; 1641 1642 switch (region) { 1643 case 0: 1644 val = 0; 1645 break; 1646 case 1: 1647 pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control); 1648 val = control + QLA82XX_MSIX_TBL_SPACE; 1649 break; 1650 } 1651 return val; 1652 } 1653 1654 1655 int 1656 qla82xx_iospace_config(struct qla_hw_data *ha) 1657 { 1658 uint32_t len = 0; 1659 1660 if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) { 1661 ql_log_pci(ql_log_fatal, ha->pdev, 0x000c, 1662 "Failed to reserver selected regions.\n"); 1663 goto iospace_error_exit; 1664 } 1665 1666 /* Use MMIO operations for all accesses. */ 1667 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) { 1668 ql_log_pci(ql_log_fatal, ha->pdev, 0x000d, 1669 "Region #0 not an MMIO resource, aborting.\n"); 1670 goto iospace_error_exit; 1671 } 1672 1673 len = pci_resource_len(ha->pdev, 0); 1674 ha->nx_pcibase = 1675 (unsigned long)ioremap(pci_resource_start(ha->pdev, 0), len); 1676 if (!ha->nx_pcibase) { 1677 ql_log_pci(ql_log_fatal, ha->pdev, 0x000e, 1678 "Cannot remap pcibase MMIO, aborting.\n"); 1679 pci_release_regions(ha->pdev); 1680 goto iospace_error_exit; 1681 } 1682 1683 /* Mapping of IO base pointer */ 1684 ha->iobase = (device_reg_t __iomem *)((uint8_t *)ha->nx_pcibase + 1685 0xbc000 + (ha->pdev->devfn << 11)); 1686 1687 if (!ql2xdbwr) { 1688 ha->nxdb_wr_ptr = 1689 (unsigned long)ioremap((pci_resource_start(ha->pdev, 4) + 1690 (ha->pdev->devfn << 12)), 4); 1691 if (!ha->nxdb_wr_ptr) { 1692 ql_log_pci(ql_log_fatal, ha->pdev, 0x000f, 1693 "Cannot remap MMIO, aborting.\n"); 1694 pci_release_regions(ha->pdev); 1695 goto iospace_error_exit; 1696 } 1697 1698 /* Mapping of IO base pointer, 1699 * door bell read and write pointer 1700 */ 1701 ha->nxdb_rd_ptr = (uint8_t *) ha->nx_pcibase + (512 * 1024) + 1702 (ha->pdev->devfn * 8); 1703 } else { 1704 ha->nxdb_wr_ptr = (ha->pdev->devfn == 6 ? 1705 QLA82XX_CAMRAM_DB1 : 1706 QLA82XX_CAMRAM_DB2); 1707 } 1708 1709 ha->max_req_queues = ha->max_rsp_queues = 1; 1710 ha->msix_count = ha->max_rsp_queues + 1; 1711 ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc006, 1712 "nx_pci_base=%p iobase=%p " 1713 "max_req_queues=%d msix_count=%d.\n", 1714 ha->nx_pcibase, ha->iobase, 1715 ha->max_req_queues, ha->msix_count); 1716 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0010, 1717 "nx_pci_base=%p iobase=%p " 1718 "max_req_queues=%d msix_count=%d.\n", 1719 ha->nx_pcibase, ha->iobase, 1720 ha->max_req_queues, ha->msix_count); 1721 return 0; 1722 1723 iospace_error_exit: 1724 return -ENOMEM; 1725 } 1726 1727 /* GS related functions */ 1728 1729 /* Initialization related functions */ 1730 1731 /** 1732 * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers. 1733 * @ha: HA context 1734 * 1735 * Returns 0 on success. 1736 */ 1737 int 1738 qla82xx_pci_config(scsi_qla_host_t *vha) 1739 { 1740 struct qla_hw_data *ha = vha->hw; 1741 int ret; 1742 1743 pci_set_master(ha->pdev); 1744 ret = pci_set_mwi(ha->pdev); 1745 ha->chip_revision = ha->pdev->revision; 1746 ql_dbg(ql_dbg_init, vha, 0x0043, 1747 "Chip revision:%ld.\n", 1748 ha->chip_revision); 1749 return 0; 1750 } 1751 1752 /** 1753 * qla82xx_reset_chip() - Setup ISP82xx PCI configuration registers. 1754 * @ha: HA context 1755 * 1756 * Returns 0 on success. 1757 */ 1758 void 1759 qla82xx_reset_chip(scsi_qla_host_t *vha) 1760 { 1761 struct qla_hw_data *ha = vha->hw; 1762 ha->isp_ops->disable_intrs(ha); 1763 } 1764 1765 void qla82xx_config_rings(struct scsi_qla_host *vha) 1766 { 1767 struct qla_hw_data *ha = vha->hw; 1768 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 1769 struct init_cb_81xx *icb; 1770 struct req_que *req = ha->req_q_map[0]; 1771 struct rsp_que *rsp = ha->rsp_q_map[0]; 1772 1773 /* Setup ring parameters in initialization control block. */ 1774 icb = (struct init_cb_81xx *)ha->init_cb; 1775 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1776 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1777 icb->request_q_length = cpu_to_le16(req->length); 1778 icb->response_q_length = cpu_to_le16(rsp->length); 1779 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma)); 1780 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma)); 1781 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma)); 1782 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma)); 1783 1784 WRT_REG_DWORD((unsigned long __iomem *)®->req_q_out[0], 0); 1785 WRT_REG_DWORD((unsigned long __iomem *)®->rsp_q_in[0], 0); 1786 WRT_REG_DWORD((unsigned long __iomem *)®->rsp_q_out[0], 0); 1787 } 1788 1789 void qla82xx_reset_adapter(struct scsi_qla_host *vha) 1790 { 1791 struct qla_hw_data *ha = vha->hw; 1792 vha->flags.online = 0; 1793 qla2x00_try_to_stop_firmware(vha); 1794 ha->isp_ops->disable_intrs(ha); 1795 } 1796 1797 static int 1798 qla82xx_fw_load_from_blob(struct qla_hw_data *ha) 1799 { 1800 u64 *ptr64; 1801 u32 i, flashaddr, size; 1802 __le64 data; 1803 1804 size = (IMAGE_START - BOOTLD_START) / 8; 1805 1806 ptr64 = (u64 *)qla82xx_get_bootld_offset(ha); 1807 flashaddr = BOOTLD_START; 1808 1809 for (i = 0; i < size; i++) { 1810 data = cpu_to_le64(ptr64[i]); 1811 if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8)) 1812 return -EIO; 1813 flashaddr += 8; 1814 } 1815 1816 flashaddr = FLASH_ADDR_START; 1817 size = (__force u32)qla82xx_get_fw_size(ha) / 8; 1818 ptr64 = (u64 *)qla82xx_get_fw_offs(ha); 1819 1820 for (i = 0; i < size; i++) { 1821 data = cpu_to_le64(ptr64[i]); 1822 1823 if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8)) 1824 return -EIO; 1825 flashaddr += 8; 1826 } 1827 udelay(100); 1828 1829 /* Write a magic value to CAMRAM register 1830 * at a specified offset to indicate 1831 * that all data is written and 1832 * ready for firmware to initialize. 1833 */ 1834 qla82xx_wr_32(ha, QLA82XX_CAM_RAM(0x1fc), QLA82XX_BDINFO_MAGIC); 1835 1836 read_lock(&ha->hw_lock); 1837 qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020); 1838 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e); 1839 read_unlock(&ha->hw_lock); 1840 return 0; 1841 } 1842 1843 static int 1844 qla82xx_set_product_offset(struct qla_hw_data *ha) 1845 { 1846 struct qla82xx_uri_table_desc *ptab_desc = NULL; 1847 const uint8_t *unirom = ha->hablob->fw->data; 1848 uint32_t i; 1849 __le32 entries; 1850 __le32 flags, file_chiprev, offset; 1851 uint8_t chiprev = ha->chip_revision; 1852 /* Hardcoding mn_present flag for P3P */ 1853 int mn_present = 0; 1854 uint32_t flagbit; 1855 1856 ptab_desc = qla82xx_get_table_desc(unirom, 1857 QLA82XX_URI_DIR_SECT_PRODUCT_TBL); 1858 if (!ptab_desc) 1859 return -1; 1860 1861 entries = cpu_to_le32(ptab_desc->num_entries); 1862 1863 for (i = 0; i < entries; i++) { 1864 offset = cpu_to_le32(ptab_desc->findex) + 1865 (i * cpu_to_le32(ptab_desc->entry_size)); 1866 flags = cpu_to_le32(*((int *)&unirom[offset] + 1867 QLA82XX_URI_FLAGS_OFF)); 1868 file_chiprev = cpu_to_le32(*((int *)&unirom[offset] + 1869 QLA82XX_URI_CHIP_REV_OFF)); 1870 1871 flagbit = mn_present ? 1 : 2; 1872 1873 if ((chiprev == file_chiprev) && ((1ULL << flagbit) & flags)) { 1874 ha->file_prd_off = offset; 1875 return 0; 1876 } 1877 } 1878 return -1; 1879 } 1880 1881 int 1882 qla82xx_validate_firmware_blob(scsi_qla_host_t *vha, uint8_t fw_type) 1883 { 1884 __le32 val; 1885 uint32_t min_size; 1886 struct qla_hw_data *ha = vha->hw; 1887 const struct firmware *fw = ha->hablob->fw; 1888 1889 ha->fw_type = fw_type; 1890 1891 if (fw_type == QLA82XX_UNIFIED_ROMIMAGE) { 1892 if (qla82xx_set_product_offset(ha)) 1893 return -EINVAL; 1894 1895 min_size = QLA82XX_URI_FW_MIN_SIZE; 1896 } else { 1897 val = cpu_to_le32(*(u32 *)&fw->data[QLA82XX_FW_MAGIC_OFFSET]); 1898 if ((__force u32)val != QLA82XX_BDINFO_MAGIC) 1899 return -EINVAL; 1900 1901 min_size = QLA82XX_FW_MIN_SIZE; 1902 } 1903 1904 if (fw->size < min_size) 1905 return -EINVAL; 1906 return 0; 1907 } 1908 1909 static int 1910 qla82xx_check_cmdpeg_state(struct qla_hw_data *ha) 1911 { 1912 u32 val = 0; 1913 int retries = 60; 1914 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 1915 1916 do { 1917 read_lock(&ha->hw_lock); 1918 val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE); 1919 read_unlock(&ha->hw_lock); 1920 1921 switch (val) { 1922 case PHAN_INITIALIZE_COMPLETE: 1923 case PHAN_INITIALIZE_ACK: 1924 return QLA_SUCCESS; 1925 case PHAN_INITIALIZE_FAILED: 1926 break; 1927 default: 1928 break; 1929 } 1930 ql_log(ql_log_info, vha, 0x00a8, 1931 "CRB_CMDPEG_STATE: 0x%x and retries:0x%x.\n", 1932 val, retries); 1933 1934 msleep(500); 1935 1936 } while (--retries); 1937 1938 ql_log(ql_log_fatal, vha, 0x00a9, 1939 "Cmd Peg initialization failed: 0x%x.\n", val); 1940 1941 val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE); 1942 read_lock(&ha->hw_lock); 1943 qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED); 1944 read_unlock(&ha->hw_lock); 1945 return QLA_FUNCTION_FAILED; 1946 } 1947 1948 static int 1949 qla82xx_check_rcvpeg_state(struct qla_hw_data *ha) 1950 { 1951 u32 val = 0; 1952 int retries = 60; 1953 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 1954 1955 do { 1956 read_lock(&ha->hw_lock); 1957 val = qla82xx_rd_32(ha, CRB_RCVPEG_STATE); 1958 read_unlock(&ha->hw_lock); 1959 1960 switch (val) { 1961 case PHAN_INITIALIZE_COMPLETE: 1962 case PHAN_INITIALIZE_ACK: 1963 return QLA_SUCCESS; 1964 case PHAN_INITIALIZE_FAILED: 1965 break; 1966 default: 1967 break; 1968 } 1969 ql_log(ql_log_info, vha, 0x00ab, 1970 "CRB_RCVPEG_STATE: 0x%x and retries: 0x%x.\n", 1971 val, retries); 1972 1973 msleep(500); 1974 1975 } while (--retries); 1976 1977 ql_log(ql_log_fatal, vha, 0x00ac, 1978 "Rcv Peg initializatin failed: 0x%x.\n", val); 1979 read_lock(&ha->hw_lock); 1980 qla82xx_wr_32(ha, CRB_RCVPEG_STATE, PHAN_INITIALIZE_FAILED); 1981 read_unlock(&ha->hw_lock); 1982 return QLA_FUNCTION_FAILED; 1983 } 1984 1985 /* ISR related functions */ 1986 uint32_t qla82xx_isr_int_target_mask_enable[8] = { 1987 ISR_INT_TARGET_MASK, ISR_INT_TARGET_MASK_F1, 1988 ISR_INT_TARGET_MASK_F2, ISR_INT_TARGET_MASK_F3, 1989 ISR_INT_TARGET_MASK_F4, ISR_INT_TARGET_MASK_F5, 1990 ISR_INT_TARGET_MASK_F7, ISR_INT_TARGET_MASK_F7 1991 }; 1992 1993 uint32_t qla82xx_isr_int_target_status[8] = { 1994 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 1995 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 1996 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 1997 ISR_INT_TARGET_STATUS_F7, ISR_INT_TARGET_STATUS_F7 1998 }; 1999 2000 static struct qla82xx_legacy_intr_set legacy_intr[] = \ 2001 QLA82XX_LEGACY_INTR_CONFIG; 2002 2003 /* 2004 * qla82xx_mbx_completion() - Process mailbox command completions. 2005 * @ha: SCSI driver HA context 2006 * @mb0: Mailbox0 register 2007 */ 2008 static void 2009 qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2010 { 2011 uint16_t cnt; 2012 uint16_t __iomem *wptr; 2013 struct qla_hw_data *ha = vha->hw; 2014 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 2015 wptr = (uint16_t __iomem *)®->mailbox_out[1]; 2016 2017 /* Load return mailbox registers. */ 2018 ha->flags.mbox_int = 1; 2019 ha->mailbox_out[0] = mb0; 2020 2021 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2022 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2023 wptr++; 2024 } 2025 2026 if (ha->mcp) { 2027 ql_dbg(ql_dbg_async, vha, 0x5052, 2028 "Got mailbox completion. cmd=%x.\n", ha->mcp->mb[0]); 2029 } else { 2030 ql_dbg(ql_dbg_async, vha, 0x5053, 2031 "MBX pointer ERROR.\n"); 2032 } 2033 } 2034 2035 /* 2036 * qla82xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 2037 * @irq: 2038 * @dev_id: SCSI driver HA context 2039 * @regs: 2040 * 2041 * Called by system whenever the host adapter generates an interrupt. 2042 * 2043 * Returns handled flag. 2044 */ 2045 irqreturn_t 2046 qla82xx_intr_handler(int irq, void *dev_id) 2047 { 2048 scsi_qla_host_t *vha; 2049 struct qla_hw_data *ha; 2050 struct rsp_que *rsp; 2051 struct device_reg_82xx __iomem *reg; 2052 int status = 0, status1 = 0; 2053 unsigned long flags; 2054 unsigned long iter; 2055 uint32_t stat = 0; 2056 uint16_t mb[4]; 2057 2058 rsp = (struct rsp_que *) dev_id; 2059 if (!rsp) { 2060 printk(KERN_INFO 2061 "%s(): NULL response queue pointer.\n", __func__); 2062 return IRQ_NONE; 2063 } 2064 ha = rsp->hw; 2065 2066 if (!ha->flags.msi_enabled) { 2067 status = qla82xx_rd_32(ha, ISR_INT_VECTOR); 2068 if (!(status & ha->nx_legacy_intr.int_vec_bit)) 2069 return IRQ_NONE; 2070 2071 status1 = qla82xx_rd_32(ha, ISR_INT_STATE_REG); 2072 if (!ISR_IS_LEGACY_INTR_TRIGGERED(status1)) 2073 return IRQ_NONE; 2074 } 2075 2076 /* clear the interrupt */ 2077 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff); 2078 2079 /* read twice to ensure write is flushed */ 2080 qla82xx_rd_32(ha, ISR_INT_VECTOR); 2081 qla82xx_rd_32(ha, ISR_INT_VECTOR); 2082 2083 reg = &ha->iobase->isp82; 2084 2085 spin_lock_irqsave(&ha->hardware_lock, flags); 2086 vha = pci_get_drvdata(ha->pdev); 2087 for (iter = 1; iter--; ) { 2088 2089 if (RD_REG_DWORD(®->host_int)) { 2090 stat = RD_REG_DWORD(®->host_status); 2091 2092 switch (stat & 0xff) { 2093 case 0x1: 2094 case 0x2: 2095 case 0x10: 2096 case 0x11: 2097 qla82xx_mbx_completion(vha, MSW(stat)); 2098 status |= MBX_INTERRUPT; 2099 break; 2100 case 0x12: 2101 mb[0] = MSW(stat); 2102 mb[1] = RD_REG_WORD(®->mailbox_out[1]); 2103 mb[2] = RD_REG_WORD(®->mailbox_out[2]); 2104 mb[3] = RD_REG_WORD(®->mailbox_out[3]); 2105 qla2x00_async_event(vha, rsp, mb); 2106 break; 2107 case 0x13: 2108 qla24xx_process_response_queue(vha, rsp); 2109 break; 2110 default: 2111 ql_dbg(ql_dbg_async, vha, 0x5054, 2112 "Unrecognized interrupt type (%d).\n", 2113 stat & 0xff); 2114 break; 2115 } 2116 } 2117 WRT_REG_DWORD(®->host_int, 0); 2118 } 2119 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2120 if (!ha->flags.msi_enabled) 2121 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff); 2122 2123 #ifdef QL_DEBUG_LEVEL_17 2124 if (!irq && ha->flags.eeh_busy) 2125 ql_log(ql_log_warn, vha, 0x503d, 2126 "isr:status %x, cmd_flags %lx, mbox_int %x, stat %x.\n", 2127 status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat); 2128 #endif 2129 2130 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && 2131 (status & MBX_INTERRUPT) && ha->flags.mbox_int) { 2132 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); 2133 complete(&ha->mbx_intr_comp); 2134 } 2135 return IRQ_HANDLED; 2136 } 2137 2138 irqreturn_t 2139 qla82xx_msix_default(int irq, void *dev_id) 2140 { 2141 scsi_qla_host_t *vha; 2142 struct qla_hw_data *ha; 2143 struct rsp_que *rsp; 2144 struct device_reg_82xx __iomem *reg; 2145 int status = 0; 2146 unsigned long flags; 2147 uint32_t stat = 0; 2148 uint16_t mb[4]; 2149 2150 rsp = (struct rsp_que *) dev_id; 2151 if (!rsp) { 2152 printk(KERN_INFO 2153 "%s(): NULL response queue pointer.\n", __func__); 2154 return IRQ_NONE; 2155 } 2156 ha = rsp->hw; 2157 2158 reg = &ha->iobase->isp82; 2159 2160 spin_lock_irqsave(&ha->hardware_lock, flags); 2161 vha = pci_get_drvdata(ha->pdev); 2162 do { 2163 if (RD_REG_DWORD(®->host_int)) { 2164 stat = RD_REG_DWORD(®->host_status); 2165 2166 switch (stat & 0xff) { 2167 case 0x1: 2168 case 0x2: 2169 case 0x10: 2170 case 0x11: 2171 qla82xx_mbx_completion(vha, MSW(stat)); 2172 status |= MBX_INTERRUPT; 2173 break; 2174 case 0x12: 2175 mb[0] = MSW(stat); 2176 mb[1] = RD_REG_WORD(®->mailbox_out[1]); 2177 mb[2] = RD_REG_WORD(®->mailbox_out[2]); 2178 mb[3] = RD_REG_WORD(®->mailbox_out[3]); 2179 qla2x00_async_event(vha, rsp, mb); 2180 break; 2181 case 0x13: 2182 qla24xx_process_response_queue(vha, rsp); 2183 break; 2184 default: 2185 ql_dbg(ql_dbg_async, vha, 0x5041, 2186 "Unrecognized interrupt type (%d).\n", 2187 stat & 0xff); 2188 break; 2189 } 2190 } 2191 WRT_REG_DWORD(®->host_int, 0); 2192 } while (0); 2193 2194 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2195 2196 #ifdef QL_DEBUG_LEVEL_17 2197 if (!irq && ha->flags.eeh_busy) 2198 ql_log(ql_log_warn, vha, 0x5044, 2199 "isr:status %x, cmd_flags %lx, mbox_int %x, stat %x.\n", 2200 status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat); 2201 #endif 2202 2203 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && 2204 (status & MBX_INTERRUPT) && ha->flags.mbox_int) { 2205 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); 2206 complete(&ha->mbx_intr_comp); 2207 } 2208 return IRQ_HANDLED; 2209 } 2210 2211 irqreturn_t 2212 qla82xx_msix_rsp_q(int irq, void *dev_id) 2213 { 2214 scsi_qla_host_t *vha; 2215 struct qla_hw_data *ha; 2216 struct rsp_que *rsp; 2217 struct device_reg_82xx __iomem *reg; 2218 unsigned long flags; 2219 2220 rsp = (struct rsp_que *) dev_id; 2221 if (!rsp) { 2222 printk(KERN_INFO 2223 "%s(): NULL response queue pointer.\n", __func__); 2224 return IRQ_NONE; 2225 } 2226 2227 ha = rsp->hw; 2228 reg = &ha->iobase->isp82; 2229 spin_lock_irqsave(&ha->hardware_lock, flags); 2230 vha = pci_get_drvdata(ha->pdev); 2231 qla24xx_process_response_queue(vha, rsp); 2232 WRT_REG_DWORD(®->host_int, 0); 2233 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2234 return IRQ_HANDLED; 2235 } 2236 2237 void 2238 qla82xx_poll(int irq, void *dev_id) 2239 { 2240 scsi_qla_host_t *vha; 2241 struct qla_hw_data *ha; 2242 struct rsp_que *rsp; 2243 struct device_reg_82xx __iomem *reg; 2244 int status = 0; 2245 uint32_t stat; 2246 uint16_t mb[4]; 2247 unsigned long flags; 2248 2249 rsp = (struct rsp_que *) dev_id; 2250 if (!rsp) { 2251 printk(KERN_INFO 2252 "%s(): NULL response queue pointer.\n", __func__); 2253 return; 2254 } 2255 ha = rsp->hw; 2256 2257 reg = &ha->iobase->isp82; 2258 spin_lock_irqsave(&ha->hardware_lock, flags); 2259 vha = pci_get_drvdata(ha->pdev); 2260 2261 if (RD_REG_DWORD(®->host_int)) { 2262 stat = RD_REG_DWORD(®->host_status); 2263 switch (stat & 0xff) { 2264 case 0x1: 2265 case 0x2: 2266 case 0x10: 2267 case 0x11: 2268 qla82xx_mbx_completion(vha, MSW(stat)); 2269 status |= MBX_INTERRUPT; 2270 break; 2271 case 0x12: 2272 mb[0] = MSW(stat); 2273 mb[1] = RD_REG_WORD(®->mailbox_out[1]); 2274 mb[2] = RD_REG_WORD(®->mailbox_out[2]); 2275 mb[3] = RD_REG_WORD(®->mailbox_out[3]); 2276 qla2x00_async_event(vha, rsp, mb); 2277 break; 2278 case 0x13: 2279 qla24xx_process_response_queue(vha, rsp); 2280 break; 2281 default: 2282 ql_dbg(ql_dbg_p3p, vha, 0xb013, 2283 "Unrecognized interrupt type (%d).\n", 2284 stat * 0xff); 2285 break; 2286 } 2287 } 2288 WRT_REG_DWORD(®->host_int, 0); 2289 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2290 } 2291 2292 void 2293 qla82xx_enable_intrs(struct qla_hw_data *ha) 2294 { 2295 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2296 qla82xx_mbx_intr_enable(vha); 2297 spin_lock_irq(&ha->hardware_lock); 2298 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff); 2299 spin_unlock_irq(&ha->hardware_lock); 2300 ha->interrupts_on = 1; 2301 } 2302 2303 void 2304 qla82xx_disable_intrs(struct qla_hw_data *ha) 2305 { 2306 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2307 qla82xx_mbx_intr_disable(vha); 2308 spin_lock_irq(&ha->hardware_lock); 2309 qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400); 2310 spin_unlock_irq(&ha->hardware_lock); 2311 ha->interrupts_on = 0; 2312 } 2313 2314 void qla82xx_init_flags(struct qla_hw_data *ha) 2315 { 2316 struct qla82xx_legacy_intr_set *nx_legacy_intr; 2317 2318 /* ISP 8021 initializations */ 2319 rwlock_init(&ha->hw_lock); 2320 ha->qdr_sn_window = -1; 2321 ha->ddr_mn_window = -1; 2322 ha->curr_window = 255; 2323 ha->portnum = PCI_FUNC(ha->pdev->devfn); 2324 nx_legacy_intr = &legacy_intr[ha->portnum]; 2325 ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 2326 ha->nx_legacy_intr.tgt_status_reg = nx_legacy_intr->tgt_status_reg; 2327 ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 2328 ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 2329 } 2330 2331 inline void 2332 qla82xx_set_drv_active(scsi_qla_host_t *vha) 2333 { 2334 uint32_t drv_active; 2335 struct qla_hw_data *ha = vha->hw; 2336 2337 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 2338 2339 /* If reset value is all FF's, initialize DRV_ACTIVE */ 2340 if (drv_active == 0xffffffff) { 2341 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, 2342 QLA82XX_DRV_NOT_ACTIVE); 2343 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 2344 } 2345 drv_active |= (QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); 2346 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active); 2347 } 2348 2349 inline void 2350 qla82xx_clear_drv_active(struct qla_hw_data *ha) 2351 { 2352 uint32_t drv_active; 2353 2354 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 2355 drv_active &= ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); 2356 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active); 2357 } 2358 2359 static inline int 2360 qla82xx_need_reset(struct qla_hw_data *ha) 2361 { 2362 uint32_t drv_state; 2363 int rval; 2364 2365 if (ha->flags.isp82xx_reset_owner) 2366 return 1; 2367 else { 2368 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2369 rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); 2370 return rval; 2371 } 2372 } 2373 2374 static inline void 2375 qla82xx_set_rst_ready(struct qla_hw_data *ha) 2376 { 2377 uint32_t drv_state; 2378 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2379 2380 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2381 2382 /* If reset value is all FF's, initialize DRV_STATE */ 2383 if (drv_state == 0xffffffff) { 2384 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, QLA82XX_DRVST_NOT_RDY); 2385 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2386 } 2387 drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); 2388 ql_dbg(ql_dbg_init, vha, 0x00bb, 2389 "drv_state = 0x%08x.\n", drv_state); 2390 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state); 2391 } 2392 2393 static inline void 2394 qla82xx_clear_rst_ready(struct qla_hw_data *ha) 2395 { 2396 uint32_t drv_state; 2397 2398 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2399 drv_state &= ~(QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); 2400 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state); 2401 } 2402 2403 static inline void 2404 qla82xx_set_qsnt_ready(struct qla_hw_data *ha) 2405 { 2406 uint32_t qsnt_state; 2407 2408 qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2409 qsnt_state |= (QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4)); 2410 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state); 2411 } 2412 2413 void 2414 qla82xx_clear_qsnt_ready(scsi_qla_host_t *vha) 2415 { 2416 struct qla_hw_data *ha = vha->hw; 2417 uint32_t qsnt_state; 2418 2419 qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2420 qsnt_state &= ~(QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4)); 2421 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state); 2422 } 2423 2424 static int 2425 qla82xx_load_fw(scsi_qla_host_t *vha) 2426 { 2427 int rst; 2428 struct fw_blob *blob; 2429 struct qla_hw_data *ha = vha->hw; 2430 2431 if (qla82xx_pinit_from_rom(vha) != QLA_SUCCESS) { 2432 ql_log(ql_log_fatal, vha, 0x009f, 2433 "Error during CRB initialization.\n"); 2434 return QLA_FUNCTION_FAILED; 2435 } 2436 udelay(500); 2437 2438 /* Bring QM and CAMRAM out of reset */ 2439 rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET); 2440 rst &= ~((1 << 28) | (1 << 24)); 2441 qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst); 2442 2443 /* 2444 * FW Load priority: 2445 * 1) Operational firmware residing in flash. 2446 * 2) Firmware via request-firmware interface (.bin file). 2447 */ 2448 if (ql2xfwloadbin == 2) 2449 goto try_blob_fw; 2450 2451 ql_log(ql_log_info, vha, 0x00a0, 2452 "Attempting to load firmware from flash.\n"); 2453 2454 if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) { 2455 ql_log(ql_log_info, vha, 0x00a1, 2456 "Firmware loaded successully from flash.\n"); 2457 return QLA_SUCCESS; 2458 } else { 2459 ql_log(ql_log_warn, vha, 0x0108, 2460 "Firmware load from flash failed.\n"); 2461 } 2462 2463 try_blob_fw: 2464 ql_log(ql_log_info, vha, 0x00a2, 2465 "Attempting to load firmware from blob.\n"); 2466 2467 /* Load firmware blob. */ 2468 blob = ha->hablob = qla2x00_request_firmware(vha); 2469 if (!blob) { 2470 ql_log(ql_log_fatal, vha, 0x00a3, 2471 "Firmware image not preset.\n"); 2472 goto fw_load_failed; 2473 } 2474 2475 /* Validating firmware blob */ 2476 if (qla82xx_validate_firmware_blob(vha, 2477 QLA82XX_FLASH_ROMIMAGE)) { 2478 /* Fallback to URI format */ 2479 if (qla82xx_validate_firmware_blob(vha, 2480 QLA82XX_UNIFIED_ROMIMAGE)) { 2481 ql_log(ql_log_fatal, vha, 0x00a4, 2482 "No valid firmware image found.\n"); 2483 return QLA_FUNCTION_FAILED; 2484 } 2485 } 2486 2487 if (qla82xx_fw_load_from_blob(ha) == QLA_SUCCESS) { 2488 ql_log(ql_log_info, vha, 0x00a5, 2489 "Firmware loaded successfully from binary blob.\n"); 2490 return QLA_SUCCESS; 2491 } else { 2492 ql_log(ql_log_fatal, vha, 0x00a6, 2493 "Firmware load failed for binary blob.\n"); 2494 blob->fw = NULL; 2495 blob = NULL; 2496 goto fw_load_failed; 2497 } 2498 return QLA_SUCCESS; 2499 2500 fw_load_failed: 2501 return QLA_FUNCTION_FAILED; 2502 } 2503 2504 int 2505 qla82xx_start_firmware(scsi_qla_host_t *vha) 2506 { 2507 int pcie_cap; 2508 uint16_t lnk; 2509 struct qla_hw_data *ha = vha->hw; 2510 2511 /* scrub dma mask expansion register */ 2512 qla82xx_wr_32(ha, CRB_DMA_SHIFT, QLA82XX_DMA_SHIFT_VALUE); 2513 2514 /* Put both the PEG CMD and RCV PEG to default state 2515 * of 0 before resetting the hardware 2516 */ 2517 qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0); 2518 qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0); 2519 2520 /* Overwrite stale initialization register values */ 2521 qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0); 2522 qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0); 2523 2524 if (qla82xx_load_fw(vha) != QLA_SUCCESS) { 2525 ql_log(ql_log_fatal, vha, 0x00a7, 2526 "Error trying to start fw.\n"); 2527 return QLA_FUNCTION_FAILED; 2528 } 2529 2530 /* Handshake with the card before we register the devices. */ 2531 if (qla82xx_check_cmdpeg_state(ha) != QLA_SUCCESS) { 2532 ql_log(ql_log_fatal, vha, 0x00aa, 2533 "Error during card handshake.\n"); 2534 return QLA_FUNCTION_FAILED; 2535 } 2536 2537 /* Negotiated Link width */ 2538 pcie_cap = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); 2539 pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk); 2540 ha->link_width = (lnk >> 4) & 0x3f; 2541 2542 /* Synchronize with Receive peg */ 2543 return qla82xx_check_rcvpeg_state(ha); 2544 } 2545 2546 static inline int 2547 qla2xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, 2548 uint16_t tot_dsds) 2549 { 2550 uint32_t *cur_dsd = NULL; 2551 scsi_qla_host_t *vha; 2552 struct qla_hw_data *ha; 2553 struct scsi_cmnd *cmd; 2554 struct scatterlist *cur_seg; 2555 uint32_t *dsd_seg; 2556 void *next_dsd; 2557 uint8_t avail_dsds; 2558 uint8_t first_iocb = 1; 2559 uint32_t dsd_list_len; 2560 struct dsd_dma *dsd_ptr; 2561 struct ct6_dsd *ctx; 2562 2563 cmd = sp->cmd; 2564 2565 /* Update entry type to indicate Command Type 3 IOCB */ 2566 *((uint32_t *)(&cmd_pkt->entry_type)) = 2567 __constant_cpu_to_le32(COMMAND_TYPE_6); 2568 2569 /* No data transfer */ 2570 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { 2571 cmd_pkt->byte_count = __constant_cpu_to_le32(0); 2572 return 0; 2573 } 2574 2575 vha = sp->fcport->vha; 2576 ha = vha->hw; 2577 2578 /* Set transfer direction */ 2579 if (cmd->sc_data_direction == DMA_TO_DEVICE) { 2580 cmd_pkt->control_flags = 2581 __constant_cpu_to_le16(CF_WRITE_DATA); 2582 ha->qla_stats.output_bytes += scsi_bufflen(cmd); 2583 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { 2584 cmd_pkt->control_flags = 2585 __constant_cpu_to_le16(CF_READ_DATA); 2586 ha->qla_stats.input_bytes += scsi_bufflen(cmd); 2587 } 2588 2589 cur_seg = scsi_sglist(cmd); 2590 ctx = sp->ctx; 2591 2592 while (tot_dsds) { 2593 avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ? 2594 QLA_DSDS_PER_IOCB : tot_dsds; 2595 tot_dsds -= avail_dsds; 2596 dsd_list_len = (avail_dsds + 1) * QLA_DSD_SIZE; 2597 2598 dsd_ptr = list_first_entry(&ha->gbl_dsd_list, 2599 struct dsd_dma, list); 2600 next_dsd = dsd_ptr->dsd_addr; 2601 list_del(&dsd_ptr->list); 2602 ha->gbl_dsd_avail--; 2603 list_add_tail(&dsd_ptr->list, &ctx->dsd_list); 2604 ctx->dsd_use_cnt++; 2605 ha->gbl_dsd_inuse++; 2606 2607 if (first_iocb) { 2608 first_iocb = 0; 2609 dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address; 2610 *dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); 2611 *dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); 2612 cmd_pkt->fcp_data_dseg_len = cpu_to_le32(dsd_list_len); 2613 } else { 2614 *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); 2615 *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); 2616 *cur_dsd++ = cpu_to_le32(dsd_list_len); 2617 } 2618 cur_dsd = (uint32_t *)next_dsd; 2619 while (avail_dsds) { 2620 dma_addr_t sle_dma; 2621 2622 sle_dma = sg_dma_address(cur_seg); 2623 *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); 2624 *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); 2625 *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg)); 2626 cur_seg = sg_next(cur_seg); 2627 avail_dsds--; 2628 } 2629 } 2630 2631 /* Null termination */ 2632 *cur_dsd++ = 0; 2633 *cur_dsd++ = 0; 2634 *cur_dsd++ = 0; 2635 cmd_pkt->control_flags |= CF_DATA_SEG_DESCR_ENABLE; 2636 return 0; 2637 } 2638 2639 /* 2640 * qla82xx_calc_dsd_lists() - Determine number of DSD list required 2641 * for Command Type 6. 2642 * 2643 * @dsds: number of data segment decriptors needed 2644 * 2645 * Returns the number of dsd list needed to store @dsds. 2646 */ 2647 inline uint16_t 2648 qla82xx_calc_dsd_lists(uint16_t dsds) 2649 { 2650 uint16_t dsd_lists = 0; 2651 2652 dsd_lists = (dsds/QLA_DSDS_PER_IOCB); 2653 if (dsds % QLA_DSDS_PER_IOCB) 2654 dsd_lists++; 2655 return dsd_lists; 2656 } 2657 2658 /* 2659 * qla82xx_start_scsi() - Send a SCSI command to the ISP 2660 * @sp: command to send to the ISP 2661 * 2662 * Returns non-zero if a failure occurred, else zero. 2663 */ 2664 int 2665 qla82xx_start_scsi(srb_t *sp) 2666 { 2667 int ret, nseg; 2668 unsigned long flags; 2669 struct scsi_cmnd *cmd; 2670 uint32_t *clr_ptr; 2671 uint32_t index; 2672 uint32_t handle; 2673 uint16_t cnt; 2674 uint16_t req_cnt; 2675 uint16_t tot_dsds; 2676 struct device_reg_82xx __iomem *reg; 2677 uint32_t dbval; 2678 uint32_t *fcp_dl; 2679 uint8_t additional_cdb_len; 2680 struct ct6_dsd *ctx; 2681 struct scsi_qla_host *vha = sp->fcport->vha; 2682 struct qla_hw_data *ha = vha->hw; 2683 struct req_que *req = NULL; 2684 struct rsp_que *rsp = NULL; 2685 char tag[2]; 2686 2687 /* Setup device pointers. */ 2688 ret = 0; 2689 reg = &ha->iobase->isp82; 2690 cmd = sp->cmd; 2691 req = vha->req; 2692 rsp = ha->rsp_q_map[0]; 2693 2694 /* So we know we haven't pci_map'ed anything yet */ 2695 tot_dsds = 0; 2696 2697 dbval = 0x04 | (ha->portnum << 5); 2698 2699 /* Send marker if required */ 2700 if (vha->marker_needed != 0) { 2701 if (qla2x00_marker(vha, req, 2702 rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) { 2703 ql_log(ql_log_warn, vha, 0x300c, 2704 "qla2x00_marker failed for cmd=%p.\n", cmd); 2705 return QLA_FUNCTION_FAILED; 2706 } 2707 vha->marker_needed = 0; 2708 } 2709 2710 /* Acquire ring specific lock */ 2711 spin_lock_irqsave(&ha->hardware_lock, flags); 2712 2713 /* Check for room in outstanding command list. */ 2714 handle = req->current_outstanding_cmd; 2715 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { 2716 handle++; 2717 if (handle == MAX_OUTSTANDING_COMMANDS) 2718 handle = 1; 2719 if (!req->outstanding_cmds[handle]) 2720 break; 2721 } 2722 if (index == MAX_OUTSTANDING_COMMANDS) 2723 goto queuing_error; 2724 2725 /* Map the sg table so we have an accurate count of sg entries needed */ 2726 if (scsi_sg_count(cmd)) { 2727 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), 2728 scsi_sg_count(cmd), cmd->sc_data_direction); 2729 if (unlikely(!nseg)) 2730 goto queuing_error; 2731 } else 2732 nseg = 0; 2733 2734 tot_dsds = nseg; 2735 2736 if (tot_dsds > ql2xshiftctondsd) { 2737 struct cmd_type_6 *cmd_pkt; 2738 uint16_t more_dsd_lists = 0; 2739 struct dsd_dma *dsd_ptr; 2740 uint16_t i; 2741 2742 more_dsd_lists = qla82xx_calc_dsd_lists(tot_dsds); 2743 if ((more_dsd_lists + ha->gbl_dsd_inuse) >= NUM_DSD_CHAIN) { 2744 ql_dbg(ql_dbg_io, vha, 0x300d, 2745 "Num of DSD list %d is than %d for cmd=%p.\n", 2746 more_dsd_lists + ha->gbl_dsd_inuse, NUM_DSD_CHAIN, 2747 cmd); 2748 goto queuing_error; 2749 } 2750 2751 if (more_dsd_lists <= ha->gbl_dsd_avail) 2752 goto sufficient_dsds; 2753 else 2754 more_dsd_lists -= ha->gbl_dsd_avail; 2755 2756 for (i = 0; i < more_dsd_lists; i++) { 2757 dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); 2758 if (!dsd_ptr) { 2759 ql_log(ql_log_fatal, vha, 0x300e, 2760 "Failed to allocate memory for dsd_dma " 2761 "for cmd=%p.\n", cmd); 2762 goto queuing_error; 2763 } 2764 2765 dsd_ptr->dsd_addr = dma_pool_alloc(ha->dl_dma_pool, 2766 GFP_ATOMIC, &dsd_ptr->dsd_list_dma); 2767 if (!dsd_ptr->dsd_addr) { 2768 kfree(dsd_ptr); 2769 ql_log(ql_log_fatal, vha, 0x300f, 2770 "Failed to allocate memory for dsd_addr " 2771 "for cmd=%p.\n", cmd); 2772 goto queuing_error; 2773 } 2774 list_add_tail(&dsd_ptr->list, &ha->gbl_dsd_list); 2775 ha->gbl_dsd_avail++; 2776 } 2777 2778 sufficient_dsds: 2779 req_cnt = 1; 2780 2781 if (req->cnt < (req_cnt + 2)) { 2782 cnt = (uint16_t)RD_REG_DWORD_RELAXED( 2783 ®->req_q_out[0]); 2784 if (req->ring_index < cnt) 2785 req->cnt = cnt - req->ring_index; 2786 else 2787 req->cnt = req->length - 2788 (req->ring_index - cnt); 2789 } 2790 2791 if (req->cnt < (req_cnt + 2)) 2792 goto queuing_error; 2793 2794 ctx = sp->ctx = mempool_alloc(ha->ctx_mempool, GFP_ATOMIC); 2795 if (!sp->ctx) { 2796 ql_log(ql_log_fatal, vha, 0x3010, 2797 "Failed to allocate ctx for cmd=%p.\n", cmd); 2798 goto queuing_error; 2799 } 2800 memset(ctx, 0, sizeof(struct ct6_dsd)); 2801 ctx->fcp_cmnd = dma_pool_alloc(ha->fcp_cmnd_dma_pool, 2802 GFP_ATOMIC, &ctx->fcp_cmnd_dma); 2803 if (!ctx->fcp_cmnd) { 2804 ql_log(ql_log_fatal, vha, 0x3011, 2805 "Failed to allocate fcp_cmnd for cmd=%p.\n", cmd); 2806 goto queuing_error_fcp_cmnd; 2807 } 2808 2809 /* Initialize the DSD list and dma handle */ 2810 INIT_LIST_HEAD(&ctx->dsd_list); 2811 ctx->dsd_use_cnt = 0; 2812 2813 if (cmd->cmd_len > 16) { 2814 additional_cdb_len = cmd->cmd_len - 16; 2815 if ((cmd->cmd_len % 4) != 0) { 2816 /* SCSI command bigger than 16 bytes must be 2817 * multiple of 4 2818 */ 2819 ql_log(ql_log_warn, vha, 0x3012, 2820 "scsi cmd len %d not multiple of 4 " 2821 "for cmd=%p.\n", cmd->cmd_len, cmd); 2822 goto queuing_error_fcp_cmnd; 2823 } 2824 ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4; 2825 } else { 2826 additional_cdb_len = 0; 2827 ctx->fcp_cmnd_len = 12 + 16 + 4; 2828 } 2829 2830 cmd_pkt = (struct cmd_type_6 *)req->ring_ptr; 2831 cmd_pkt->handle = MAKE_HANDLE(req->id, handle); 2832 2833 /* Zero out remaining portion of packet. */ 2834 /* tagged queuing modifier -- default is TSK_SIMPLE (0). */ 2835 clr_ptr = (uint32_t *)cmd_pkt + 2; 2836 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); 2837 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); 2838 2839 /* Set NPORT-ID and LUN number*/ 2840 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); 2841 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; 2842 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; 2843 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; 2844 cmd_pkt->vp_index = sp->fcport->vp_idx; 2845 2846 /* Build IOCB segments */ 2847 if (qla2xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds)) 2848 goto queuing_error_fcp_cmnd; 2849 2850 int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); 2851 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); 2852 2853 /* build FCP_CMND IU */ 2854 memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd)); 2855 int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun); 2856 ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; 2857 2858 if (cmd->sc_data_direction == DMA_TO_DEVICE) 2859 ctx->fcp_cmnd->additional_cdb_len |= 1; 2860 else if (cmd->sc_data_direction == DMA_FROM_DEVICE) 2861 ctx->fcp_cmnd->additional_cdb_len |= 2; 2862 2863 /* 2864 * Update tagged queuing modifier -- default is TSK_SIMPLE (0). 2865 */ 2866 if (scsi_populate_tag_msg(cmd, tag)) { 2867 switch (tag[0]) { 2868 case HEAD_OF_QUEUE_TAG: 2869 ctx->fcp_cmnd->task_attribute = 2870 TSK_HEAD_OF_QUEUE; 2871 break; 2872 case ORDERED_QUEUE_TAG: 2873 ctx->fcp_cmnd->task_attribute = 2874 TSK_ORDERED; 2875 break; 2876 } 2877 } 2878 2879 memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); 2880 2881 fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 + 2882 additional_cdb_len); 2883 *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd)); 2884 2885 cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len); 2886 cmd_pkt->fcp_cmnd_dseg_address[0] = 2887 cpu_to_le32(LSD(ctx->fcp_cmnd_dma)); 2888 cmd_pkt->fcp_cmnd_dseg_address[1] = 2889 cpu_to_le32(MSD(ctx->fcp_cmnd_dma)); 2890 2891 sp->flags |= SRB_FCP_CMND_DMA_VALID; 2892 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); 2893 /* Set total data segment count. */ 2894 cmd_pkt->entry_count = (uint8_t)req_cnt; 2895 /* Specify response queue number where 2896 * completion should happen 2897 */ 2898 cmd_pkt->entry_status = (uint8_t) rsp->id; 2899 } else { 2900 struct cmd_type_7 *cmd_pkt; 2901 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); 2902 if (req->cnt < (req_cnt + 2)) { 2903 cnt = (uint16_t)RD_REG_DWORD_RELAXED( 2904 ®->req_q_out[0]); 2905 if (req->ring_index < cnt) 2906 req->cnt = cnt - req->ring_index; 2907 else 2908 req->cnt = req->length - 2909 (req->ring_index - cnt); 2910 } 2911 if (req->cnt < (req_cnt + 2)) 2912 goto queuing_error; 2913 2914 cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; 2915 cmd_pkt->handle = MAKE_HANDLE(req->id, handle); 2916 2917 /* Zero out remaining portion of packet. */ 2918 /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/ 2919 clr_ptr = (uint32_t *)cmd_pkt + 2; 2920 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); 2921 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); 2922 2923 /* Set NPORT-ID and LUN number*/ 2924 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); 2925 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; 2926 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; 2927 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; 2928 cmd_pkt->vp_index = sp->fcport->vp_idx; 2929 2930 int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); 2931 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, 2932 sizeof(cmd_pkt->lun)); 2933 2934 /* 2935 * Update tagged queuing modifier -- default is TSK_SIMPLE (0). 2936 */ 2937 if (scsi_populate_tag_msg(cmd, tag)) { 2938 switch (tag[0]) { 2939 case HEAD_OF_QUEUE_TAG: 2940 cmd_pkt->task = TSK_HEAD_OF_QUEUE; 2941 break; 2942 case ORDERED_QUEUE_TAG: 2943 cmd_pkt->task = TSK_ORDERED; 2944 break; 2945 } 2946 } 2947 2948 /* Load SCSI command packet. */ 2949 memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len); 2950 host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb)); 2951 2952 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); 2953 2954 /* Build IOCB segments */ 2955 qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds); 2956 2957 /* Set total data segment count. */ 2958 cmd_pkt->entry_count = (uint8_t)req_cnt; 2959 /* Specify response queue number where 2960 * completion should happen. 2961 */ 2962 cmd_pkt->entry_status = (uint8_t) rsp->id; 2963 2964 } 2965 /* Build command packet. */ 2966 req->current_outstanding_cmd = handle; 2967 req->outstanding_cmds[handle] = sp; 2968 sp->handle = handle; 2969 sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; 2970 req->cnt -= req_cnt; 2971 wmb(); 2972 2973 /* Adjust ring index. */ 2974 req->ring_index++; 2975 if (req->ring_index == req->length) { 2976 req->ring_index = 0; 2977 req->ring_ptr = req->ring; 2978 } else 2979 req->ring_ptr++; 2980 2981 sp->flags |= SRB_DMA_VALID; 2982 2983 /* Set chip new ring index. */ 2984 /* write, read and verify logic */ 2985 dbval = dbval | (req->id << 8) | (req->ring_index << 16); 2986 if (ql2xdbwr) 2987 qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval); 2988 else { 2989 WRT_REG_DWORD( 2990 (unsigned long __iomem *)ha->nxdb_wr_ptr, 2991 dbval); 2992 wmb(); 2993 while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) { 2994 WRT_REG_DWORD( 2995 (unsigned long __iomem *)ha->nxdb_wr_ptr, 2996 dbval); 2997 wmb(); 2998 } 2999 } 3000 3001 /* Manage unprocessed RIO/ZIO commands in response queue. */ 3002 if (vha->flags.process_response_queue && 3003 rsp->ring_ptr->signature != RESPONSE_PROCESSED) 3004 qla24xx_process_response_queue(vha, rsp); 3005 3006 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3007 return QLA_SUCCESS; 3008 3009 queuing_error_fcp_cmnd: 3010 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma); 3011 queuing_error: 3012 if (tot_dsds) 3013 scsi_dma_unmap(cmd); 3014 3015 if (sp->ctx) { 3016 mempool_free(sp->ctx, ha->ctx_mempool); 3017 sp->ctx = NULL; 3018 } 3019 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3020 3021 return QLA_FUNCTION_FAILED; 3022 } 3023 3024 static uint32_t * 3025 qla82xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr, 3026 uint32_t length) 3027 { 3028 uint32_t i; 3029 uint32_t val; 3030 struct qla_hw_data *ha = vha->hw; 3031 3032 /* Dword reads to flash. */ 3033 for (i = 0; i < length/4; i++, faddr += 4) { 3034 if (qla82xx_rom_fast_read(ha, faddr, &val)) { 3035 ql_log(ql_log_warn, vha, 0x0106, 3036 "Do ROM fast read failed.\n"); 3037 goto done_read; 3038 } 3039 dwptr[i] = __constant_cpu_to_le32(val); 3040 } 3041 done_read: 3042 return dwptr; 3043 } 3044 3045 static int 3046 qla82xx_unprotect_flash(struct qla_hw_data *ha) 3047 { 3048 int ret; 3049 uint32_t val; 3050 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3051 3052 ret = ql82xx_rom_lock_d(ha); 3053 if (ret < 0) { 3054 ql_log(ql_log_warn, vha, 0xb014, 3055 "ROM Lock failed.\n"); 3056 return ret; 3057 } 3058 3059 ret = qla82xx_read_status_reg(ha, &val); 3060 if (ret < 0) 3061 goto done_unprotect; 3062 3063 val &= ~(BLOCK_PROTECT_BITS << 2); 3064 ret = qla82xx_write_status_reg(ha, val); 3065 if (ret < 0) { 3066 val |= (BLOCK_PROTECT_BITS << 2); 3067 qla82xx_write_status_reg(ha, val); 3068 } 3069 3070 if (qla82xx_write_disable_flash(ha) != 0) 3071 ql_log(ql_log_warn, vha, 0xb015, 3072 "Write disable failed.\n"); 3073 3074 done_unprotect: 3075 qla82xx_rom_unlock(ha); 3076 return ret; 3077 } 3078 3079 static int 3080 qla82xx_protect_flash(struct qla_hw_data *ha) 3081 { 3082 int ret; 3083 uint32_t val; 3084 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3085 3086 ret = ql82xx_rom_lock_d(ha); 3087 if (ret < 0) { 3088 ql_log(ql_log_warn, vha, 0xb016, 3089 "ROM Lock failed.\n"); 3090 return ret; 3091 } 3092 3093 ret = qla82xx_read_status_reg(ha, &val); 3094 if (ret < 0) 3095 goto done_protect; 3096 3097 val |= (BLOCK_PROTECT_BITS << 2); 3098 /* LOCK all sectors */ 3099 ret = qla82xx_write_status_reg(ha, val); 3100 if (ret < 0) 3101 ql_log(ql_log_warn, vha, 0xb017, 3102 "Write status register failed.\n"); 3103 3104 if (qla82xx_write_disable_flash(ha) != 0) 3105 ql_log(ql_log_warn, vha, 0xb018, 3106 "Write disable failed.\n"); 3107 done_protect: 3108 qla82xx_rom_unlock(ha); 3109 return ret; 3110 } 3111 3112 static int 3113 qla82xx_erase_sector(struct qla_hw_data *ha, int addr) 3114 { 3115 int ret = 0; 3116 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3117 3118 ret = ql82xx_rom_lock_d(ha); 3119 if (ret < 0) { 3120 ql_log(ql_log_warn, vha, 0xb019, 3121 "ROM Lock failed.\n"); 3122 return ret; 3123 } 3124 3125 qla82xx_flash_set_write_enable(ha); 3126 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr); 3127 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); 3128 qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_SE); 3129 3130 if (qla82xx_wait_rom_done(ha)) { 3131 ql_log(ql_log_warn, vha, 0xb01a, 3132 "Error waiting for rom done.\n"); 3133 ret = -1; 3134 goto done; 3135 } 3136 ret = qla82xx_flash_wait_write_finish(ha); 3137 done: 3138 qla82xx_rom_unlock(ha); 3139 return ret; 3140 } 3141 3142 /* 3143 * Address and length are byte address 3144 */ 3145 uint8_t * 3146 qla82xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf, 3147 uint32_t offset, uint32_t length) 3148 { 3149 scsi_block_requests(vha->host); 3150 qla82xx_read_flash_data(vha, (uint32_t *)buf, offset, length); 3151 scsi_unblock_requests(vha->host); 3152 return buf; 3153 } 3154 3155 static int 3156 qla82xx_write_flash_data(struct scsi_qla_host *vha, uint32_t *dwptr, 3157 uint32_t faddr, uint32_t dwords) 3158 { 3159 int ret; 3160 uint32_t liter; 3161 uint32_t sec_mask, rest_addr; 3162 dma_addr_t optrom_dma; 3163 void *optrom = NULL; 3164 int page_mode = 0; 3165 struct qla_hw_data *ha = vha->hw; 3166 3167 ret = -1; 3168 3169 /* Prepare burst-capable write on supported ISPs. */ 3170 if (page_mode && !(faddr & 0xfff) && 3171 dwords > OPTROM_BURST_DWORDS) { 3172 optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, 3173 &optrom_dma, GFP_KERNEL); 3174 if (!optrom) { 3175 ql_log(ql_log_warn, vha, 0xb01b, 3176 "Unable to allocate memory " 3177 "for optron burst write (%x KB).\n", 3178 OPTROM_BURST_SIZE / 1024); 3179 } 3180 } 3181 3182 rest_addr = ha->fdt_block_size - 1; 3183 sec_mask = ~rest_addr; 3184 3185 ret = qla82xx_unprotect_flash(ha); 3186 if (ret) { 3187 ql_log(ql_log_warn, vha, 0xb01c, 3188 "Unable to unprotect flash for update.\n"); 3189 goto write_done; 3190 } 3191 3192 for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) { 3193 /* Are we at the beginning of a sector? */ 3194 if ((faddr & rest_addr) == 0) { 3195 3196 ret = qla82xx_erase_sector(ha, faddr); 3197 if (ret) { 3198 ql_log(ql_log_warn, vha, 0xb01d, 3199 "Unable to erase sector: address=%x.\n", 3200 faddr); 3201 break; 3202 } 3203 } 3204 3205 /* Go with burst-write. */ 3206 if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) { 3207 /* Copy data to DMA'ble buffer. */ 3208 memcpy(optrom, dwptr, OPTROM_BURST_SIZE); 3209 3210 ret = qla2x00_load_ram(vha, optrom_dma, 3211 (ha->flash_data_off | faddr), 3212 OPTROM_BURST_DWORDS); 3213 if (ret != QLA_SUCCESS) { 3214 ql_log(ql_log_warn, vha, 0xb01e, 3215 "Unable to burst-write optrom segment " 3216 "(%x/%x/%llx).\n", ret, 3217 (ha->flash_data_off | faddr), 3218 (unsigned long long)optrom_dma); 3219 ql_log(ql_log_warn, vha, 0xb01f, 3220 "Reverting to slow-write.\n"); 3221 3222 dma_free_coherent(&ha->pdev->dev, 3223 OPTROM_BURST_SIZE, optrom, optrom_dma); 3224 optrom = NULL; 3225 } else { 3226 liter += OPTROM_BURST_DWORDS - 1; 3227 faddr += OPTROM_BURST_DWORDS - 1; 3228 dwptr += OPTROM_BURST_DWORDS - 1; 3229 continue; 3230 } 3231 } 3232 3233 ret = qla82xx_write_flash_dword(ha, faddr, 3234 cpu_to_le32(*dwptr)); 3235 if (ret) { 3236 ql_dbg(ql_dbg_p3p, vha, 0xb020, 3237 "Unable to program flash address=%x data=%x.\n", 3238 faddr, *dwptr); 3239 break; 3240 } 3241 } 3242 3243 ret = qla82xx_protect_flash(ha); 3244 if (ret) 3245 ql_log(ql_log_warn, vha, 0xb021, 3246 "Unable to protect flash after update.\n"); 3247 write_done: 3248 if (optrom) 3249 dma_free_coherent(&ha->pdev->dev, 3250 OPTROM_BURST_SIZE, optrom, optrom_dma); 3251 return ret; 3252 } 3253 3254 int 3255 qla82xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf, 3256 uint32_t offset, uint32_t length) 3257 { 3258 int rval; 3259 3260 /* Suspend HBA. */ 3261 scsi_block_requests(vha->host); 3262 rval = qla82xx_write_flash_data(vha, (uint32_t *)buf, offset, 3263 length >> 2); 3264 scsi_unblock_requests(vha->host); 3265 3266 /* Convert return ISP82xx to generic */ 3267 if (rval) 3268 rval = QLA_FUNCTION_FAILED; 3269 else 3270 rval = QLA_SUCCESS; 3271 return rval; 3272 } 3273 3274 void 3275 qla82xx_start_iocbs(srb_t *sp) 3276 { 3277 struct qla_hw_data *ha = sp->fcport->vha->hw; 3278 struct req_que *req = ha->req_q_map[0]; 3279 struct device_reg_82xx __iomem *reg; 3280 uint32_t dbval; 3281 3282 /* Adjust ring index. */ 3283 req->ring_index++; 3284 if (req->ring_index == req->length) { 3285 req->ring_index = 0; 3286 req->ring_ptr = req->ring; 3287 } else 3288 req->ring_ptr++; 3289 3290 reg = &ha->iobase->isp82; 3291 dbval = 0x04 | (ha->portnum << 5); 3292 3293 dbval = dbval | (req->id << 8) | (req->ring_index << 16); 3294 if (ql2xdbwr) 3295 qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval); 3296 else { 3297 WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, dbval); 3298 wmb(); 3299 while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) { 3300 WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, 3301 dbval); 3302 wmb(); 3303 } 3304 } 3305 } 3306 3307 void qla82xx_rom_lock_recovery(struct qla_hw_data *ha) 3308 { 3309 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3310 3311 if (qla82xx_rom_lock(ha)) 3312 /* Someone else is holding the lock. */ 3313 ql_log(ql_log_info, vha, 0xb022, 3314 "Resetting rom_lock.\n"); 3315 3316 /* 3317 * Either we got the lock, or someone 3318 * else died while holding it. 3319 * In either case, unlock. 3320 */ 3321 qla82xx_rom_unlock(ha); 3322 } 3323 3324 /* 3325 * qla82xx_device_bootstrap 3326 * Initialize device, set DEV_READY, start fw 3327 * 3328 * Note: 3329 * IDC lock must be held upon entry 3330 * 3331 * Return: 3332 * Success : 0 3333 * Failed : 1 3334 */ 3335 static int 3336 qla82xx_device_bootstrap(scsi_qla_host_t *vha) 3337 { 3338 int rval = QLA_SUCCESS; 3339 int i, timeout; 3340 uint32_t old_count, count; 3341 struct qla_hw_data *ha = vha->hw; 3342 int need_reset = 0, peg_stuck = 1; 3343 3344 need_reset = qla82xx_need_reset(ha); 3345 3346 old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER); 3347 3348 for (i = 0; i < 10; i++) { 3349 timeout = msleep_interruptible(200); 3350 if (timeout) { 3351 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, 3352 QLA82XX_DEV_FAILED); 3353 return QLA_FUNCTION_FAILED; 3354 } 3355 3356 count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER); 3357 if (count != old_count) 3358 peg_stuck = 0; 3359 } 3360 3361 if (need_reset) { 3362 /* We are trying to perform a recovery here. */ 3363 if (peg_stuck) 3364 qla82xx_rom_lock_recovery(ha); 3365 goto dev_initialize; 3366 } else { 3367 /* Start of day for this ha context. */ 3368 if (peg_stuck) { 3369 /* Either we are the first or recovery in progress. */ 3370 qla82xx_rom_lock_recovery(ha); 3371 goto dev_initialize; 3372 } else 3373 /* Firmware already running. */ 3374 goto dev_ready; 3375 } 3376 3377 return rval; 3378 3379 dev_initialize: 3380 /* set to DEV_INITIALIZING */ 3381 ql_log(ql_log_info, vha, 0x009e, 3382 "HW State: INITIALIZING.\n"); 3383 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_INITIALIZING); 3384 3385 /* Driver that sets device state to initializating sets IDC version */ 3386 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION); 3387 3388 qla82xx_idc_unlock(ha); 3389 rval = qla82xx_start_firmware(vha); 3390 qla82xx_idc_lock(ha); 3391 3392 if (rval != QLA_SUCCESS) { 3393 ql_log(ql_log_fatal, vha, 0x00ad, 3394 "HW State: FAILED.\n"); 3395 qla82xx_clear_drv_active(ha); 3396 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_FAILED); 3397 return rval; 3398 } 3399 3400 dev_ready: 3401 ql_log(ql_log_info, vha, 0x00ae, 3402 "HW State: READY.\n"); 3403 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_READY); 3404 3405 return QLA_SUCCESS; 3406 } 3407 3408 /* 3409 * qla82xx_need_qsnt_handler 3410 * Code to start quiescence sequence 3411 * 3412 * Note: 3413 * IDC lock must be held upon entry 3414 * 3415 * Return: void 3416 */ 3417 3418 static void 3419 qla82xx_need_qsnt_handler(scsi_qla_host_t *vha) 3420 { 3421 struct qla_hw_data *ha = vha->hw; 3422 uint32_t dev_state, drv_state, drv_active; 3423 unsigned long reset_timeout; 3424 3425 if (vha->flags.online) { 3426 /*Block any further I/O and wait for pending cmnds to complete*/ 3427 qla82xx_quiescent_state_cleanup(vha); 3428 } 3429 3430 /* Set the quiescence ready bit */ 3431 qla82xx_set_qsnt_ready(ha); 3432 3433 /*wait for 30 secs for other functions to ack */ 3434 reset_timeout = jiffies + (30 * HZ); 3435 3436 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3437 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3438 /* Its 2 that is written when qsnt is acked, moving one bit */ 3439 drv_active = drv_active << 0x01; 3440 3441 while (drv_state != drv_active) { 3442 3443 if (time_after_eq(jiffies, reset_timeout)) { 3444 /* quiescence timeout, other functions didn't ack 3445 * changing the state to DEV_READY 3446 */ 3447 ql_log(ql_log_info, vha, 0xb023, 3448 "%s : QUIESCENT TIMEOUT.\n", QLA2XXX_DRIVER_NAME); 3449 ql_log(ql_log_info, vha, 0xb024, 3450 "DRV_ACTIVE:%d DRV_STATE:%d.\n", 3451 drv_active, drv_state); 3452 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, 3453 QLA82XX_DEV_READY); 3454 ql_log(ql_log_info, vha, 0xb025, 3455 "HW State: DEV_READY.\n"); 3456 qla82xx_idc_unlock(ha); 3457 qla2x00_perform_loop_resync(vha); 3458 qla82xx_idc_lock(ha); 3459 3460 qla82xx_clear_qsnt_ready(vha); 3461 return; 3462 } 3463 3464 qla82xx_idc_unlock(ha); 3465 msleep(1000); 3466 qla82xx_idc_lock(ha); 3467 3468 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3469 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3470 drv_active = drv_active << 0x01; 3471 } 3472 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3473 /* everyone acked so set the state to DEV_QUIESCENCE */ 3474 if (dev_state == QLA82XX_DEV_NEED_QUIESCENT) { 3475 ql_log(ql_log_info, vha, 0xb026, 3476 "HW State: DEV_QUIESCENT.\n"); 3477 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_QUIESCENT); 3478 } 3479 } 3480 3481 /* 3482 * qla82xx_wait_for_state_change 3483 * Wait for device state to change from given current state 3484 * 3485 * Note: 3486 * IDC lock must not be held upon entry 3487 * 3488 * Return: 3489 * Changed device state. 3490 */ 3491 uint32_t 3492 qla82xx_wait_for_state_change(scsi_qla_host_t *vha, uint32_t curr_state) 3493 { 3494 struct qla_hw_data *ha = vha->hw; 3495 uint32_t dev_state; 3496 3497 do { 3498 msleep(1000); 3499 qla82xx_idc_lock(ha); 3500 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3501 qla82xx_idc_unlock(ha); 3502 } while (dev_state == curr_state); 3503 3504 return dev_state; 3505 } 3506 3507 static void 3508 qla82xx_dev_failed_handler(scsi_qla_host_t *vha) 3509 { 3510 struct qla_hw_data *ha = vha->hw; 3511 3512 /* Disable the board */ 3513 ql_log(ql_log_fatal, vha, 0x00b8, 3514 "Disabling the board.\n"); 3515 3516 qla82xx_idc_lock(ha); 3517 qla82xx_clear_drv_active(ha); 3518 qla82xx_idc_unlock(ha); 3519 3520 /* Set DEV_FAILED flag to disable timer */ 3521 vha->device_flags |= DFLG_DEV_FAILED; 3522 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); 3523 qla2x00_mark_all_devices_lost(vha, 0); 3524 vha->flags.online = 0; 3525 vha->flags.init_done = 0; 3526 } 3527 3528 /* 3529 * qla82xx_need_reset_handler 3530 * Code to start reset sequence 3531 * 3532 * Note: 3533 * IDC lock must be held upon entry 3534 * 3535 * Return: 3536 * Success : 0 3537 * Failed : 1 3538 */ 3539 static void 3540 qla82xx_need_reset_handler(scsi_qla_host_t *vha) 3541 { 3542 uint32_t dev_state, drv_state, drv_active; 3543 uint32_t active_mask = 0; 3544 unsigned long reset_timeout; 3545 struct qla_hw_data *ha = vha->hw; 3546 struct req_que *req = ha->req_q_map[0]; 3547 3548 if (vha->flags.online) { 3549 qla82xx_idc_unlock(ha); 3550 qla2x00_abort_isp_cleanup(vha); 3551 ha->isp_ops->get_flash_version(vha, req->ring); 3552 ha->isp_ops->nvram_config(vha); 3553 qla82xx_idc_lock(ha); 3554 } 3555 3556 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3557 if (!ha->flags.isp82xx_reset_owner) { 3558 ql_dbg(ql_dbg_p3p, vha, 0xb028, 3559 "reset_acknowledged by 0x%x\n", ha->portnum); 3560 qla82xx_set_rst_ready(ha); 3561 } else { 3562 active_mask = ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); 3563 drv_active &= active_mask; 3564 ql_dbg(ql_dbg_p3p, vha, 0xb029, 3565 "active_mask: 0x%08x\n", active_mask); 3566 } 3567 3568 /* wait for 10 seconds for reset ack from all functions */ 3569 reset_timeout = jiffies + (ha->nx_reset_timeout * HZ); 3570 3571 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3572 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3573 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3574 3575 ql_dbg(ql_dbg_p3p, vha, 0xb02a, 3576 "drv_state: 0x%08x, drv_active: 0x%08x, " 3577 "dev_state: 0x%08x, active_mask: 0x%08x\n", 3578 drv_state, drv_active, dev_state, active_mask); 3579 3580 while (drv_state != drv_active && 3581 dev_state != QLA82XX_DEV_INITIALIZING) { 3582 if (time_after_eq(jiffies, reset_timeout)) { 3583 ql_log(ql_log_warn, vha, 0x00b5, 3584 "Reset timeout.\n"); 3585 break; 3586 } 3587 qla82xx_idc_unlock(ha); 3588 msleep(1000); 3589 qla82xx_idc_lock(ha); 3590 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3591 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3592 if (ha->flags.isp82xx_reset_owner) 3593 drv_active &= active_mask; 3594 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3595 } 3596 3597 ql_dbg(ql_dbg_p3p, vha, 0xb02b, 3598 "drv_state: 0x%08x, drv_active: 0x%08x, " 3599 "dev_state: 0x%08x, active_mask: 0x%08x\n", 3600 drv_state, drv_active, dev_state, active_mask); 3601 3602 ql_log(ql_log_info, vha, 0x00b6, 3603 "Device state is 0x%x = %s.\n", 3604 dev_state, 3605 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); 3606 3607 /* Force to DEV_COLD unless someone else is starting a reset */ 3608 if (dev_state != QLA82XX_DEV_INITIALIZING && 3609 dev_state != QLA82XX_DEV_COLD) { 3610 ql_log(ql_log_info, vha, 0x00b7, 3611 "HW State: COLD/RE-INIT.\n"); 3612 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD); 3613 if (ql2xmdenable) { 3614 if (qla82xx_md_collect(vha)) 3615 ql_log(ql_log_warn, vha, 0xb02c, 3616 "Not able to collect minidump.\n"); 3617 } else 3618 ql_log(ql_log_warn, vha, 0xb04f, 3619 "Minidump disabled.\n"); 3620 } 3621 } 3622 3623 int 3624 qla82xx_check_md_needed(scsi_qla_host_t *vha) 3625 { 3626 struct qla_hw_data *ha = vha->hw; 3627 uint16_t fw_major_version, fw_minor_version, fw_subminor_version; 3628 int rval = QLA_SUCCESS; 3629 3630 fw_major_version = ha->fw_major_version; 3631 fw_minor_version = ha->fw_minor_version; 3632 fw_subminor_version = ha->fw_subminor_version; 3633 3634 rval = qla2x00_get_fw_version(vha, &ha->fw_major_version, 3635 &ha->fw_minor_version, &ha->fw_subminor_version, 3636 &ha->fw_attributes, &ha->fw_memory_size, 3637 ha->mpi_version, &ha->mpi_capabilities, 3638 ha->phy_version); 3639 3640 if (rval != QLA_SUCCESS) 3641 return rval; 3642 3643 if (ql2xmdenable) { 3644 if (!ha->fw_dumped) { 3645 if (fw_major_version != ha->fw_major_version || 3646 fw_minor_version != ha->fw_minor_version || 3647 fw_subminor_version != ha->fw_subminor_version) { 3648 3649 ql_log(ql_log_info, vha, 0xb02d, 3650 "Firmware version differs " 3651 "Previous version: %d:%d:%d - " 3652 "New version: %d:%d:%d\n", 3653 ha->fw_major_version, 3654 ha->fw_minor_version, 3655 ha->fw_subminor_version, 3656 fw_major_version, fw_minor_version, 3657 fw_subminor_version); 3658 /* Release MiniDump resources */ 3659 qla82xx_md_free(vha); 3660 /* ALlocate MiniDump resources */ 3661 qla82xx_md_prep(vha); 3662 } else 3663 ql_log(ql_log_info, vha, 0xb02e, 3664 "Firmware dump available to retrieve\n", 3665 vha->host_no); 3666 } 3667 } 3668 return rval; 3669 } 3670 3671 3672 int 3673 qla82xx_check_fw_alive(scsi_qla_host_t *vha) 3674 { 3675 uint32_t fw_heartbeat_counter; 3676 int status = 0; 3677 3678 fw_heartbeat_counter = qla82xx_rd_32(vha->hw, 3679 QLA82XX_PEG_ALIVE_COUNTER); 3680 /* all 0xff, assume AER/EEH in progress, ignore */ 3681 if (fw_heartbeat_counter == 0xffffffff) { 3682 ql_dbg(ql_dbg_timer, vha, 0x6003, 3683 "FW heartbeat counter is 0xffffffff, " 3684 "returning status=%d.\n", status); 3685 return status; 3686 } 3687 if (vha->fw_heartbeat_counter == fw_heartbeat_counter) { 3688 vha->seconds_since_last_heartbeat++; 3689 /* FW not alive after 2 seconds */ 3690 if (vha->seconds_since_last_heartbeat == 2) { 3691 vha->seconds_since_last_heartbeat = 0; 3692 status = 1; 3693 } 3694 } else 3695 vha->seconds_since_last_heartbeat = 0; 3696 vha->fw_heartbeat_counter = fw_heartbeat_counter; 3697 if (status) 3698 ql_dbg(ql_dbg_timer, vha, 0x6004, 3699 "Returning status=%d.\n", status); 3700 return status; 3701 } 3702 3703 /* 3704 * qla82xx_device_state_handler 3705 * Main state handler 3706 * 3707 * Note: 3708 * IDC lock must be held upon entry 3709 * 3710 * Return: 3711 * Success : 0 3712 * Failed : 1 3713 */ 3714 int 3715 qla82xx_device_state_handler(scsi_qla_host_t *vha) 3716 { 3717 uint32_t dev_state; 3718 uint32_t old_dev_state; 3719 int rval = QLA_SUCCESS; 3720 unsigned long dev_init_timeout; 3721 struct qla_hw_data *ha = vha->hw; 3722 int loopcount = 0; 3723 3724 qla82xx_idc_lock(ha); 3725 if (!vha->flags.init_done) 3726 qla82xx_set_drv_active(vha); 3727 3728 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3729 old_dev_state = dev_state; 3730 ql_log(ql_log_info, vha, 0x009b, 3731 "Device state is 0x%x = %s.\n", 3732 dev_state, 3733 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); 3734 3735 /* wait for 30 seconds for device to go ready */ 3736 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ); 3737 3738 while (1) { 3739 3740 if (time_after_eq(jiffies, dev_init_timeout)) { 3741 ql_log(ql_log_fatal, vha, 0x009c, 3742 "Device init failed.\n"); 3743 rval = QLA_FUNCTION_FAILED; 3744 break; 3745 } 3746 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3747 if (old_dev_state != dev_state) { 3748 loopcount = 0; 3749 old_dev_state = dev_state; 3750 } 3751 if (loopcount < 5) { 3752 ql_log(ql_log_info, vha, 0x009d, 3753 "Device state is 0x%x = %s.\n", 3754 dev_state, 3755 dev_state < MAX_STATES ? qdev_state(dev_state) : 3756 "Unknown"); 3757 } 3758 3759 switch (dev_state) { 3760 case QLA82XX_DEV_READY: 3761 qla82xx_check_md_needed(vha); 3762 ha->flags.isp82xx_reset_owner = 0; 3763 goto exit; 3764 case QLA82XX_DEV_COLD: 3765 rval = qla82xx_device_bootstrap(vha); 3766 break; 3767 case QLA82XX_DEV_INITIALIZING: 3768 qla82xx_idc_unlock(ha); 3769 msleep(1000); 3770 qla82xx_idc_lock(ha); 3771 break; 3772 case QLA82XX_DEV_NEED_RESET: 3773 if (!ql2xdontresethba) 3774 qla82xx_need_reset_handler(vha); 3775 else { 3776 qla82xx_idc_unlock(ha); 3777 msleep(1000); 3778 qla82xx_idc_lock(ha); 3779 } 3780 dev_init_timeout = jiffies + 3781 (ha->nx_dev_init_timeout * HZ); 3782 break; 3783 case QLA82XX_DEV_NEED_QUIESCENT: 3784 qla82xx_need_qsnt_handler(vha); 3785 /* Reset timeout value after quiescence handler */ 3786 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\ 3787 * HZ); 3788 break; 3789 case QLA82XX_DEV_QUIESCENT: 3790 /* Owner will exit and other will wait for the state 3791 * to get changed 3792 */ 3793 if (ha->flags.quiesce_owner) 3794 goto exit; 3795 3796 qla82xx_idc_unlock(ha); 3797 msleep(1000); 3798 qla82xx_idc_lock(ha); 3799 3800 /* Reset timeout value after quiescence handler */ 3801 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\ 3802 * HZ); 3803 break; 3804 case QLA82XX_DEV_FAILED: 3805 qla82xx_dev_failed_handler(vha); 3806 rval = QLA_FUNCTION_FAILED; 3807 goto exit; 3808 default: 3809 qla82xx_idc_unlock(ha); 3810 msleep(1000); 3811 qla82xx_idc_lock(ha); 3812 } 3813 loopcount++; 3814 } 3815 exit: 3816 qla82xx_idc_unlock(ha); 3817 return rval; 3818 } 3819 3820 void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha) 3821 { 3822 struct qla_hw_data *ha = vha->hw; 3823 3824 if (ha->flags.mbox_busy) { 3825 ha->flags.mbox_int = 1; 3826 ha->flags.mbox_busy = 0; 3827 ql_log(ql_log_warn, vha, 0x6010, 3828 "Doing premature completion of mbx command.\n"); 3829 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags)) 3830 complete(&ha->mbx_intr_comp); 3831 } 3832 } 3833 3834 void qla82xx_watchdog(scsi_qla_host_t *vha) 3835 { 3836 uint32_t dev_state, halt_status; 3837 struct qla_hw_data *ha = vha->hw; 3838 3839 /* don't poll if reset is going on */ 3840 if (!ha->flags.isp82xx_reset_hdlr_active) { 3841 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3842 if (dev_state == QLA82XX_DEV_NEED_RESET && 3843 !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) { 3844 ql_log(ql_log_warn, vha, 0x6001, 3845 "Adapter reset needed.\n"); 3846 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3847 qla2xxx_wake_dpc(vha); 3848 } else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT && 3849 !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) { 3850 ql_log(ql_log_warn, vha, 0x6002, 3851 "Quiescent needed.\n"); 3852 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 3853 qla2xxx_wake_dpc(vha); 3854 } else { 3855 if (qla82xx_check_fw_alive(vha)) { 3856 ql_dbg(ql_dbg_timer, vha, 0x6011, 3857 "disabling pause transmit on port 0 & 1.\n"); 3858 qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 3859 CRB_NIU_XG_PAUSE_CTL_P0|CRB_NIU_XG_PAUSE_CTL_P1); 3860 halt_status = qla82xx_rd_32(ha, 3861 QLA82XX_PEG_HALT_STATUS1); 3862 ql_log(ql_log_info, vha, 0x6005, 3863 "dumping hw/fw registers:.\n " 3864 " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n " 3865 " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n " 3866 " PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,.\n " 3867 " PEG_NET_4_PC: 0x%x.\n", halt_status, 3868 qla82xx_rd_32(ha, QLA82XX_PEG_HALT_STATUS2), 3869 qla82xx_rd_32(ha, 3870 QLA82XX_CRB_PEG_NET_0 + 0x3c), 3871 qla82xx_rd_32(ha, 3872 QLA82XX_CRB_PEG_NET_1 + 0x3c), 3873 qla82xx_rd_32(ha, 3874 QLA82XX_CRB_PEG_NET_2 + 0x3c), 3875 qla82xx_rd_32(ha, 3876 QLA82XX_CRB_PEG_NET_3 + 0x3c), 3877 qla82xx_rd_32(ha, 3878 QLA82XX_CRB_PEG_NET_4 + 0x3c)); 3879 if (LSW(MSB(halt_status)) == 0x67) 3880 ql_log(ql_log_warn, vha, 0xb052, 3881 "Firmware aborted with " 3882 "error code 0x00006700. Device is " 3883 "being reset.\n"); 3884 if (halt_status & HALT_STATUS_UNRECOVERABLE) { 3885 set_bit(ISP_UNRECOVERABLE, 3886 &vha->dpc_flags); 3887 } else { 3888 ql_log(ql_log_info, vha, 0x6006, 3889 "Detect abort needed.\n"); 3890 set_bit(ISP_ABORT_NEEDED, 3891 &vha->dpc_flags); 3892 } 3893 qla2xxx_wake_dpc(vha); 3894 ha->flags.isp82xx_fw_hung = 1; 3895 ql_log(ql_log_warn, vha, 0x6007, "Firmware hung.\n"); 3896 qla82xx_clear_pending_mbx(vha); 3897 } 3898 } 3899 } 3900 } 3901 3902 int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) 3903 { 3904 int rval; 3905 rval = qla82xx_device_state_handler(vha); 3906 return rval; 3907 } 3908 3909 void 3910 qla82xx_set_reset_owner(scsi_qla_host_t *vha) 3911 { 3912 struct qla_hw_data *ha = vha->hw; 3913 uint32_t dev_state; 3914 3915 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3916 if (dev_state == QLA82XX_DEV_READY) { 3917 ql_log(ql_log_info, vha, 0xb02f, 3918 "HW State: NEED RESET\n"); 3919 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, 3920 QLA82XX_DEV_NEED_RESET); 3921 ha->flags.isp82xx_reset_owner = 1; 3922 ql_dbg(ql_dbg_p3p, vha, 0xb030, 3923 "reset_owner is 0x%x\n", ha->portnum); 3924 } else 3925 ql_log(ql_log_info, vha, 0xb031, 3926 "Device state is 0x%x = %s.\n", 3927 dev_state, 3928 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); 3929 } 3930 3931 /* 3932 * qla82xx_abort_isp 3933 * Resets ISP and aborts all outstanding commands. 3934 * 3935 * Input: 3936 * ha = adapter block pointer. 3937 * 3938 * Returns: 3939 * 0 = success 3940 */ 3941 int 3942 qla82xx_abort_isp(scsi_qla_host_t *vha) 3943 { 3944 int rval; 3945 struct qla_hw_data *ha = vha->hw; 3946 3947 if (vha->device_flags & DFLG_DEV_FAILED) { 3948 ql_log(ql_log_warn, vha, 0x8024, 3949 "Device in failed state, exiting.\n"); 3950 return QLA_SUCCESS; 3951 } 3952 ha->flags.isp82xx_reset_hdlr_active = 1; 3953 3954 qla82xx_idc_lock(ha); 3955 qla82xx_set_reset_owner(vha); 3956 qla82xx_idc_unlock(ha); 3957 3958 rval = qla82xx_device_state_handler(vha); 3959 3960 qla82xx_idc_lock(ha); 3961 qla82xx_clear_rst_ready(ha); 3962 qla82xx_idc_unlock(ha); 3963 3964 if (rval == QLA_SUCCESS) { 3965 ha->flags.isp82xx_fw_hung = 0; 3966 ha->flags.isp82xx_reset_hdlr_active = 0; 3967 qla82xx_restart_isp(vha); 3968 } 3969 3970 if (rval) { 3971 vha->flags.online = 1; 3972 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { 3973 if (ha->isp_abort_cnt == 0) { 3974 ql_log(ql_log_warn, vha, 0x8027, 3975 "ISP error recover failed - board " 3976 "disabled.\n"); 3977 /* 3978 * The next call disables the board 3979 * completely. 3980 */ 3981 ha->isp_ops->reset_adapter(vha); 3982 vha->flags.online = 0; 3983 clear_bit(ISP_ABORT_RETRY, 3984 &vha->dpc_flags); 3985 rval = QLA_SUCCESS; 3986 } else { /* schedule another ISP abort */ 3987 ha->isp_abort_cnt--; 3988 ql_log(ql_log_warn, vha, 0x8036, 3989 "ISP abort - retry remaining %d.\n", 3990 ha->isp_abort_cnt); 3991 rval = QLA_FUNCTION_FAILED; 3992 } 3993 } else { 3994 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3995 ql_dbg(ql_dbg_taskm, vha, 0x8029, 3996 "ISP error recovery - retrying (%d) more times.\n", 3997 ha->isp_abort_cnt); 3998 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 3999 rval = QLA_FUNCTION_FAILED; 4000 } 4001 } 4002 return rval; 4003 } 4004 4005 /* 4006 * qla82xx_fcoe_ctx_reset 4007 * Perform a quick reset and aborts all outstanding commands. 4008 * This will only perform an FCoE context reset and avoids a full blown 4009 * chip reset. 4010 * 4011 * Input: 4012 * ha = adapter block pointer. 4013 * is_reset_path = flag for identifying the reset path. 4014 * 4015 * Returns: 4016 * 0 = success 4017 */ 4018 int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha) 4019 { 4020 int rval = QLA_FUNCTION_FAILED; 4021 4022 if (vha->flags.online) { 4023 /* Abort all outstanding commands, so as to be requeued later */ 4024 qla2x00_abort_isp_cleanup(vha); 4025 } 4026 4027 /* Stop currently executing firmware. 4028 * This will destroy existing FCoE context at the F/W end. 4029 */ 4030 qla2x00_try_to_stop_firmware(vha); 4031 4032 /* Restart. Creates a new FCoE context on INIT_FIRMWARE. */ 4033 rval = qla82xx_restart_isp(vha); 4034 4035 return rval; 4036 } 4037 4038 /* 4039 * qla2x00_wait_for_fcoe_ctx_reset 4040 * Wait till the FCoE context is reset. 4041 * 4042 * Note: 4043 * Does context switching here. 4044 * Release SPIN_LOCK (if any) before calling this routine. 4045 * 4046 * Return: 4047 * Success (fcoe_ctx reset is done) : 0 4048 * Failed (fcoe_ctx reset not completed within max loop timout ) : 1 4049 */ 4050 int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha) 4051 { 4052 int status = QLA_FUNCTION_FAILED; 4053 unsigned long wait_reset; 4054 4055 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ); 4056 while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) || 4057 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) 4058 && time_before(jiffies, wait_reset)) { 4059 4060 set_current_state(TASK_UNINTERRUPTIBLE); 4061 schedule_timeout(HZ); 4062 4063 if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) && 4064 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 4065 status = QLA_SUCCESS; 4066 break; 4067 } 4068 } 4069 ql_dbg(ql_dbg_p3p, vha, 0xb027, 4070 "%s status=%d.\n", status); 4071 4072 return status; 4073 } 4074 4075 void 4076 qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha) 4077 { 4078 int i; 4079 unsigned long flags; 4080 struct qla_hw_data *ha = vha->hw; 4081 4082 /* Check if 82XX firmware is alive or not 4083 * We may have arrived here from NEED_RESET 4084 * detection only 4085 */ 4086 if (!ha->flags.isp82xx_fw_hung) { 4087 for (i = 0; i < 2; i++) { 4088 msleep(1000); 4089 if (qla82xx_check_fw_alive(vha)) { 4090 ha->flags.isp82xx_fw_hung = 1; 4091 qla82xx_clear_pending_mbx(vha); 4092 break; 4093 } 4094 } 4095 } 4096 ql_dbg(ql_dbg_init, vha, 0x00b0, 4097 "Entered %s fw_hung=%d.\n", 4098 __func__, ha->flags.isp82xx_fw_hung); 4099 4100 /* Abort all commands gracefully if fw NOT hung */ 4101 if (!ha->flags.isp82xx_fw_hung) { 4102 int cnt, que; 4103 srb_t *sp; 4104 struct req_que *req; 4105 4106 spin_lock_irqsave(&ha->hardware_lock, flags); 4107 for (que = 0; que < ha->max_req_queues; que++) { 4108 req = ha->req_q_map[que]; 4109 if (!req) 4110 continue; 4111 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 4112 sp = req->outstanding_cmds[cnt]; 4113 if (sp) { 4114 if (!sp->ctx || 4115 (sp->flags & SRB_FCP_CMND_DMA_VALID)) { 4116 spin_unlock_irqrestore( 4117 &ha->hardware_lock, flags); 4118 if (ha->isp_ops->abort_command(sp)) { 4119 ql_log(ql_log_info, vha, 4120 0x00b1, 4121 "mbx abort failed.\n"); 4122 } else { 4123 ql_log(ql_log_info, vha, 4124 0x00b2, 4125 "mbx abort success.\n"); 4126 } 4127 spin_lock_irqsave(&ha->hardware_lock, flags); 4128 } 4129 } 4130 } 4131 } 4132 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4133 4134 /* Wait for pending cmds (physical and virtual) to complete */ 4135 if (!qla2x00_eh_wait_for_pending_commands(vha, 0, 0, 4136 WAIT_HOST) == QLA_SUCCESS) { 4137 ql_dbg(ql_dbg_init, vha, 0x00b3, 4138 "Done wait for " 4139 "pending commands.\n"); 4140 } 4141 } 4142 } 4143 4144 /* Minidump related functions */ 4145 int 4146 qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag) 4147 { 4148 uint32_t off_value, rval = 0; 4149 4150 WRT_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase), 4151 (off & 0xFFFF0000)); 4152 4153 /* Read back value to make sure write has gone through */ 4154 RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase)); 4155 off_value = (off & 0x0000FFFF); 4156 4157 if (flag) 4158 WRT_REG_DWORD((void *) 4159 (off_value + CRB_INDIRECT_2M + ha->nx_pcibase), 4160 data); 4161 else 4162 rval = RD_REG_DWORD((void *) 4163 (off_value + CRB_INDIRECT_2M + ha->nx_pcibase)); 4164 4165 return rval; 4166 } 4167 4168 static int 4169 qla82xx_minidump_process_control(scsi_qla_host_t *vha, 4170 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4171 { 4172 struct qla_hw_data *ha = vha->hw; 4173 struct qla82xx_md_entry_crb *crb_entry; 4174 uint32_t read_value, opcode, poll_time; 4175 uint32_t addr, index, crb_addr; 4176 unsigned long wtime; 4177 struct qla82xx_md_template_hdr *tmplt_hdr; 4178 uint32_t rval = QLA_SUCCESS; 4179 int i; 4180 4181 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; 4182 crb_entry = (struct qla82xx_md_entry_crb *)entry_hdr; 4183 crb_addr = crb_entry->addr; 4184 4185 for (i = 0; i < crb_entry->op_count; i++) { 4186 opcode = crb_entry->crb_ctrl.opcode; 4187 if (opcode & QLA82XX_DBG_OPCODE_WR) { 4188 qla82xx_md_rw_32(ha, crb_addr, 4189 crb_entry->value_1, 1); 4190 opcode &= ~QLA82XX_DBG_OPCODE_WR; 4191 } 4192 4193 if (opcode & QLA82XX_DBG_OPCODE_RW) { 4194 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); 4195 qla82xx_md_rw_32(ha, crb_addr, read_value, 1); 4196 opcode &= ~QLA82XX_DBG_OPCODE_RW; 4197 } 4198 4199 if (opcode & QLA82XX_DBG_OPCODE_AND) { 4200 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); 4201 read_value &= crb_entry->value_2; 4202 opcode &= ~QLA82XX_DBG_OPCODE_AND; 4203 if (opcode & QLA82XX_DBG_OPCODE_OR) { 4204 read_value |= crb_entry->value_3; 4205 opcode &= ~QLA82XX_DBG_OPCODE_OR; 4206 } 4207 qla82xx_md_rw_32(ha, crb_addr, read_value, 1); 4208 } 4209 4210 if (opcode & QLA82XX_DBG_OPCODE_OR) { 4211 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); 4212 read_value |= crb_entry->value_3; 4213 qla82xx_md_rw_32(ha, crb_addr, read_value, 1); 4214 opcode &= ~QLA82XX_DBG_OPCODE_OR; 4215 } 4216 4217 if (opcode & QLA82XX_DBG_OPCODE_POLL) { 4218 poll_time = crb_entry->crb_strd.poll_timeout; 4219 wtime = jiffies + poll_time; 4220 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); 4221 4222 do { 4223 if ((read_value & crb_entry->value_2) 4224 == crb_entry->value_1) 4225 break; 4226 else if (time_after_eq(jiffies, wtime)) { 4227 /* capturing dump failed */ 4228 rval = QLA_FUNCTION_FAILED; 4229 break; 4230 } else 4231 read_value = qla82xx_md_rw_32(ha, 4232 crb_addr, 0, 0); 4233 } while (1); 4234 opcode &= ~QLA82XX_DBG_OPCODE_POLL; 4235 } 4236 4237 if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) { 4238 if (crb_entry->crb_strd.state_index_a) { 4239 index = crb_entry->crb_strd.state_index_a; 4240 addr = tmplt_hdr->saved_state_array[index]; 4241 } else 4242 addr = crb_addr; 4243 4244 read_value = qla82xx_md_rw_32(ha, addr, 0, 0); 4245 index = crb_entry->crb_ctrl.state_index_v; 4246 tmplt_hdr->saved_state_array[index] = read_value; 4247 opcode &= ~QLA82XX_DBG_OPCODE_RDSTATE; 4248 } 4249 4250 if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) { 4251 if (crb_entry->crb_strd.state_index_a) { 4252 index = crb_entry->crb_strd.state_index_a; 4253 addr = tmplt_hdr->saved_state_array[index]; 4254 } else 4255 addr = crb_addr; 4256 4257 if (crb_entry->crb_ctrl.state_index_v) { 4258 index = crb_entry->crb_ctrl.state_index_v; 4259 read_value = 4260 tmplt_hdr->saved_state_array[index]; 4261 } else 4262 read_value = crb_entry->value_1; 4263 4264 qla82xx_md_rw_32(ha, addr, read_value, 1); 4265 opcode &= ~QLA82XX_DBG_OPCODE_WRSTATE; 4266 } 4267 4268 if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) { 4269 index = crb_entry->crb_ctrl.state_index_v; 4270 read_value = tmplt_hdr->saved_state_array[index]; 4271 read_value <<= crb_entry->crb_ctrl.shl; 4272 read_value >>= crb_entry->crb_ctrl.shr; 4273 if (crb_entry->value_2) 4274 read_value &= crb_entry->value_2; 4275 read_value |= crb_entry->value_3; 4276 read_value += crb_entry->value_1; 4277 tmplt_hdr->saved_state_array[index] = read_value; 4278 opcode &= ~QLA82XX_DBG_OPCODE_MDSTATE; 4279 } 4280 crb_addr += crb_entry->crb_strd.addr_stride; 4281 } 4282 return rval; 4283 } 4284 4285 static void 4286 qla82xx_minidump_process_rdocm(scsi_qla_host_t *vha, 4287 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4288 { 4289 struct qla_hw_data *ha = vha->hw; 4290 uint32_t r_addr, r_stride, loop_cnt, i, r_value; 4291 struct qla82xx_md_entry_rdocm *ocm_hdr; 4292 uint32_t *data_ptr = *d_ptr; 4293 4294 ocm_hdr = (struct qla82xx_md_entry_rdocm *)entry_hdr; 4295 r_addr = ocm_hdr->read_addr; 4296 r_stride = ocm_hdr->read_addr_stride; 4297 loop_cnt = ocm_hdr->op_count; 4298 4299 for (i = 0; i < loop_cnt; i++) { 4300 r_value = RD_REG_DWORD((void *)(r_addr + ha->nx_pcibase)); 4301 *data_ptr++ = cpu_to_le32(r_value); 4302 r_addr += r_stride; 4303 } 4304 *d_ptr = data_ptr; 4305 } 4306 4307 static void 4308 qla82xx_minidump_process_rdmux(scsi_qla_host_t *vha, 4309 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4310 { 4311 struct qla_hw_data *ha = vha->hw; 4312 uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value; 4313 struct qla82xx_md_entry_mux *mux_hdr; 4314 uint32_t *data_ptr = *d_ptr; 4315 4316 mux_hdr = (struct qla82xx_md_entry_mux *)entry_hdr; 4317 r_addr = mux_hdr->read_addr; 4318 s_addr = mux_hdr->select_addr; 4319 s_stride = mux_hdr->select_value_stride; 4320 s_value = mux_hdr->select_value; 4321 loop_cnt = mux_hdr->op_count; 4322 4323 for (i = 0; i < loop_cnt; i++) { 4324 qla82xx_md_rw_32(ha, s_addr, s_value, 1); 4325 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); 4326 *data_ptr++ = cpu_to_le32(s_value); 4327 *data_ptr++ = cpu_to_le32(r_value); 4328 s_value += s_stride; 4329 } 4330 *d_ptr = data_ptr; 4331 } 4332 4333 static void 4334 qla82xx_minidump_process_rdcrb(scsi_qla_host_t *vha, 4335 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4336 { 4337 struct qla_hw_data *ha = vha->hw; 4338 uint32_t r_addr, r_stride, loop_cnt, i, r_value; 4339 struct qla82xx_md_entry_crb *crb_hdr; 4340 uint32_t *data_ptr = *d_ptr; 4341 4342 crb_hdr = (struct qla82xx_md_entry_crb *)entry_hdr; 4343 r_addr = crb_hdr->addr; 4344 r_stride = crb_hdr->crb_strd.addr_stride; 4345 loop_cnt = crb_hdr->op_count; 4346 4347 for (i = 0; i < loop_cnt; i++) { 4348 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); 4349 *data_ptr++ = cpu_to_le32(r_addr); 4350 *data_ptr++ = cpu_to_le32(r_value); 4351 r_addr += r_stride; 4352 } 4353 *d_ptr = data_ptr; 4354 } 4355 4356 static int 4357 qla82xx_minidump_process_l2tag(scsi_qla_host_t *vha, 4358 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4359 { 4360 struct qla_hw_data *ha = vha->hw; 4361 uint32_t addr, r_addr, c_addr, t_r_addr; 4362 uint32_t i, k, loop_count, t_value, r_cnt, r_value; 4363 unsigned long p_wait, w_time, p_mask; 4364 uint32_t c_value_w, c_value_r; 4365 struct qla82xx_md_entry_cache *cache_hdr; 4366 int rval = QLA_FUNCTION_FAILED; 4367 uint32_t *data_ptr = *d_ptr; 4368 4369 cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr; 4370 loop_count = cache_hdr->op_count; 4371 r_addr = cache_hdr->read_addr; 4372 c_addr = cache_hdr->control_addr; 4373 c_value_w = cache_hdr->cache_ctrl.write_value; 4374 4375 t_r_addr = cache_hdr->tag_reg_addr; 4376 t_value = cache_hdr->addr_ctrl.init_tag_value; 4377 r_cnt = cache_hdr->read_ctrl.read_addr_cnt; 4378 p_wait = cache_hdr->cache_ctrl.poll_wait; 4379 p_mask = cache_hdr->cache_ctrl.poll_mask; 4380 4381 for (i = 0; i < loop_count; i++) { 4382 qla82xx_md_rw_32(ha, t_r_addr, t_value, 1); 4383 if (c_value_w) 4384 qla82xx_md_rw_32(ha, c_addr, c_value_w, 1); 4385 4386 if (p_mask) { 4387 w_time = jiffies + p_wait; 4388 do { 4389 c_value_r = qla82xx_md_rw_32(ha, c_addr, 0, 0); 4390 if ((c_value_r & p_mask) == 0) 4391 break; 4392 else if (time_after_eq(jiffies, w_time)) { 4393 /* capturing dump failed */ 4394 ql_dbg(ql_dbg_p3p, vha, 0xb032, 4395 "c_value_r: 0x%x, poll_mask: 0x%lx, " 4396 "w_time: 0x%lx\n", 4397 c_value_r, p_mask, w_time); 4398 return rval; 4399 } 4400 } while (1); 4401 } 4402 4403 addr = r_addr; 4404 for (k = 0; k < r_cnt; k++) { 4405 r_value = qla82xx_md_rw_32(ha, addr, 0, 0); 4406 *data_ptr++ = cpu_to_le32(r_value); 4407 addr += cache_hdr->read_ctrl.read_addr_stride; 4408 } 4409 t_value += cache_hdr->addr_ctrl.tag_value_stride; 4410 } 4411 *d_ptr = data_ptr; 4412 return QLA_SUCCESS; 4413 } 4414 4415 static void 4416 qla82xx_minidump_process_l1cache(scsi_qla_host_t *vha, 4417 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4418 { 4419 struct qla_hw_data *ha = vha->hw; 4420 uint32_t addr, r_addr, c_addr, t_r_addr; 4421 uint32_t i, k, loop_count, t_value, r_cnt, r_value; 4422 uint32_t c_value_w; 4423 struct qla82xx_md_entry_cache *cache_hdr; 4424 uint32_t *data_ptr = *d_ptr; 4425 4426 cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr; 4427 loop_count = cache_hdr->op_count; 4428 r_addr = cache_hdr->read_addr; 4429 c_addr = cache_hdr->control_addr; 4430 c_value_w = cache_hdr->cache_ctrl.write_value; 4431 4432 t_r_addr = cache_hdr->tag_reg_addr; 4433 t_value = cache_hdr->addr_ctrl.init_tag_value; 4434 r_cnt = cache_hdr->read_ctrl.read_addr_cnt; 4435 4436 for (i = 0; i < loop_count; i++) { 4437 qla82xx_md_rw_32(ha, t_r_addr, t_value, 1); 4438 qla82xx_md_rw_32(ha, c_addr, c_value_w, 1); 4439 addr = r_addr; 4440 for (k = 0; k < r_cnt; k++) { 4441 r_value = qla82xx_md_rw_32(ha, addr, 0, 0); 4442 *data_ptr++ = cpu_to_le32(r_value); 4443 addr += cache_hdr->read_ctrl.read_addr_stride; 4444 } 4445 t_value += cache_hdr->addr_ctrl.tag_value_stride; 4446 } 4447 *d_ptr = data_ptr; 4448 } 4449 4450 static void 4451 qla82xx_minidump_process_queue(scsi_qla_host_t *vha, 4452 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4453 { 4454 struct qla_hw_data *ha = vha->hw; 4455 uint32_t s_addr, r_addr; 4456 uint32_t r_stride, r_value, r_cnt, qid = 0; 4457 uint32_t i, k, loop_cnt; 4458 struct qla82xx_md_entry_queue *q_hdr; 4459 uint32_t *data_ptr = *d_ptr; 4460 4461 q_hdr = (struct qla82xx_md_entry_queue *)entry_hdr; 4462 s_addr = q_hdr->select_addr; 4463 r_cnt = q_hdr->rd_strd.read_addr_cnt; 4464 r_stride = q_hdr->rd_strd.read_addr_stride; 4465 loop_cnt = q_hdr->op_count; 4466 4467 for (i = 0; i < loop_cnt; i++) { 4468 qla82xx_md_rw_32(ha, s_addr, qid, 1); 4469 r_addr = q_hdr->read_addr; 4470 for (k = 0; k < r_cnt; k++) { 4471 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); 4472 *data_ptr++ = cpu_to_le32(r_value); 4473 r_addr += r_stride; 4474 } 4475 qid += q_hdr->q_strd.queue_id_stride; 4476 } 4477 *d_ptr = data_ptr; 4478 } 4479 4480 static void 4481 qla82xx_minidump_process_rdrom(scsi_qla_host_t *vha, 4482 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4483 { 4484 struct qla_hw_data *ha = vha->hw; 4485 uint32_t r_addr, r_value; 4486 uint32_t i, loop_cnt; 4487 struct qla82xx_md_entry_rdrom *rom_hdr; 4488 uint32_t *data_ptr = *d_ptr; 4489 4490 rom_hdr = (struct qla82xx_md_entry_rdrom *)entry_hdr; 4491 r_addr = rom_hdr->read_addr; 4492 loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t); 4493 4494 for (i = 0; i < loop_cnt; i++) { 4495 qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW, 4496 (r_addr & 0xFFFF0000), 1); 4497 r_value = qla82xx_md_rw_32(ha, 4498 MD_DIRECT_ROM_READ_BASE + 4499 (r_addr & 0x0000FFFF), 0, 0); 4500 *data_ptr++ = cpu_to_le32(r_value); 4501 r_addr += sizeof(uint32_t); 4502 } 4503 *d_ptr = data_ptr; 4504 } 4505 4506 static int 4507 qla82xx_minidump_process_rdmem(scsi_qla_host_t *vha, 4508 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4509 { 4510 struct qla_hw_data *ha = vha->hw; 4511 uint32_t r_addr, r_value, r_data; 4512 uint32_t i, j, loop_cnt; 4513 struct qla82xx_md_entry_rdmem *m_hdr; 4514 unsigned long flags; 4515 int rval = QLA_FUNCTION_FAILED; 4516 uint32_t *data_ptr = *d_ptr; 4517 4518 m_hdr = (struct qla82xx_md_entry_rdmem *)entry_hdr; 4519 r_addr = m_hdr->read_addr; 4520 loop_cnt = m_hdr->read_data_size/16; 4521 4522 if (r_addr & 0xf) { 4523 ql_log(ql_log_warn, vha, 0xb033, 4524 "Read addr 0x%x not 16 bytes alligned\n", r_addr); 4525 return rval; 4526 } 4527 4528 if (m_hdr->read_data_size % 16) { 4529 ql_log(ql_log_warn, vha, 0xb034, 4530 "Read data[0x%x] not multiple of 16 bytes\n", 4531 m_hdr->read_data_size); 4532 return rval; 4533 } 4534 4535 ql_dbg(ql_dbg_p3p, vha, 0xb035, 4536 "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n", 4537 __func__, r_addr, m_hdr->read_data_size, loop_cnt); 4538 4539 write_lock_irqsave(&ha->hw_lock, flags); 4540 for (i = 0; i < loop_cnt; i++) { 4541 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_LO, r_addr, 1); 4542 r_value = 0; 4543 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_HI, r_value, 1); 4544 r_value = MIU_TA_CTL_ENABLE; 4545 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1); 4546 r_value = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE; 4547 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1); 4548 4549 for (j = 0; j < MAX_CTL_CHECK; j++) { 4550 r_value = qla82xx_md_rw_32(ha, 4551 MD_MIU_TEST_AGT_CTRL, 0, 0); 4552 if ((r_value & MIU_TA_CTL_BUSY) == 0) 4553 break; 4554 } 4555 4556 if (j >= MAX_CTL_CHECK) { 4557 printk_ratelimited(KERN_ERR 4558 "failed to read through agent\n"); 4559 write_unlock_irqrestore(&ha->hw_lock, flags); 4560 return rval; 4561 } 4562 4563 for (j = 0; j < 4; j++) { 4564 r_data = qla82xx_md_rw_32(ha, 4565 MD_MIU_TEST_AGT_RDDATA[j], 0, 0); 4566 *data_ptr++ = cpu_to_le32(r_data); 4567 } 4568 r_addr += 16; 4569 } 4570 write_unlock_irqrestore(&ha->hw_lock, flags); 4571 *d_ptr = data_ptr; 4572 return QLA_SUCCESS; 4573 } 4574 4575 static int 4576 qla82xx_validate_template_chksum(scsi_qla_host_t *vha) 4577 { 4578 struct qla_hw_data *ha = vha->hw; 4579 uint64_t chksum = 0; 4580 uint32_t *d_ptr = (uint32_t *)ha->md_tmplt_hdr; 4581 int count = ha->md_template_size/sizeof(uint32_t); 4582 4583 while (count-- > 0) 4584 chksum += *d_ptr++; 4585 while (chksum >> 32) 4586 chksum = (chksum & 0xFFFFFFFF) + (chksum >> 32); 4587 return ~chksum; 4588 } 4589 4590 static void 4591 qla82xx_mark_entry_skipped(scsi_qla_host_t *vha, 4592 qla82xx_md_entry_hdr_t *entry_hdr, int index) 4593 { 4594 entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG; 4595 ql_dbg(ql_dbg_p3p, vha, 0xb036, 4596 "Skipping entry[%d]: " 4597 "ETYPE[0x%x]-ELEVEL[0x%x]\n", 4598 index, entry_hdr->entry_type, 4599 entry_hdr->d_ctrl.entry_capture_mask); 4600 } 4601 4602 int 4603 qla82xx_md_collect(scsi_qla_host_t *vha) 4604 { 4605 struct qla_hw_data *ha = vha->hw; 4606 int no_entry_hdr = 0; 4607 qla82xx_md_entry_hdr_t *entry_hdr; 4608 struct qla82xx_md_template_hdr *tmplt_hdr; 4609 uint32_t *data_ptr; 4610 uint32_t total_data_size = 0, f_capture_mask, data_collected = 0; 4611 int i = 0, rval = QLA_FUNCTION_FAILED; 4612 4613 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; 4614 data_ptr = (uint32_t *)ha->md_dump; 4615 4616 if (ha->fw_dumped) { 4617 ql_log(ql_log_info, vha, 0xb037, 4618 "Firmware dump available to retrive\n"); 4619 goto md_failed; 4620 } 4621 4622 ha->fw_dumped = 0; 4623 4624 if (!ha->md_tmplt_hdr || !ha->md_dump) { 4625 ql_log(ql_log_warn, vha, 0xb038, 4626 "Memory not allocated for minidump capture\n"); 4627 goto md_failed; 4628 } 4629 4630 if (qla82xx_validate_template_chksum(vha)) { 4631 ql_log(ql_log_info, vha, 0xb039, 4632 "Template checksum validation error\n"); 4633 goto md_failed; 4634 } 4635 4636 no_entry_hdr = tmplt_hdr->num_of_entries; 4637 ql_dbg(ql_dbg_p3p, vha, 0xb03a, 4638 "No of entry headers in Template: 0x%x\n", no_entry_hdr); 4639 4640 ql_dbg(ql_dbg_p3p, vha, 0xb03b, 4641 "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level); 4642 4643 f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF; 4644 4645 /* Validate whether required debug level is set */ 4646 if ((f_capture_mask & 0x3) != 0x3) { 4647 ql_log(ql_log_warn, vha, 0xb03c, 4648 "Minimum required capture mask[0x%x] level not set\n", 4649 f_capture_mask); 4650 goto md_failed; 4651 } 4652 tmplt_hdr->driver_capture_mask = ql2xmdcapmask; 4653 4654 tmplt_hdr->driver_info[0] = vha->host_no; 4655 tmplt_hdr->driver_info[1] = (QLA_DRIVER_MAJOR_VER << 24) | 4656 (QLA_DRIVER_MINOR_VER << 16) | (QLA_DRIVER_PATCH_VER << 8) | 4657 QLA_DRIVER_BETA_VER; 4658 4659 total_data_size = ha->md_dump_size; 4660 4661 ql_dbg(ql_log_info, vha, 0xb03d, 4662 "Total minidump data_size 0x%x to be captured\n", total_data_size); 4663 4664 /* Check whether template obtained is valid */ 4665 if (tmplt_hdr->entry_type != QLA82XX_TLHDR) { 4666 ql_log(ql_log_warn, vha, 0xb04e, 4667 "Bad template header entry type: 0x%x obtained\n", 4668 tmplt_hdr->entry_type); 4669 goto md_failed; 4670 } 4671 4672 entry_hdr = (qla82xx_md_entry_hdr_t *) \ 4673 (((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset); 4674 4675 /* Walk through the entry headers */ 4676 for (i = 0; i < no_entry_hdr; i++) { 4677 4678 if (data_collected > total_data_size) { 4679 ql_log(ql_log_warn, vha, 0xb03e, 4680 "More MiniDump data collected: [0x%x]\n", 4681 data_collected); 4682 goto md_failed; 4683 } 4684 4685 if (!(entry_hdr->d_ctrl.entry_capture_mask & 4686 ql2xmdcapmask)) { 4687 entry_hdr->d_ctrl.driver_flags |= 4688 QLA82XX_DBG_SKIPPED_FLAG; 4689 ql_dbg(ql_dbg_p3p, vha, 0xb03f, 4690 "Skipping entry[%d]: " 4691 "ETYPE[0x%x]-ELEVEL[0x%x]\n", 4692 i, entry_hdr->entry_type, 4693 entry_hdr->d_ctrl.entry_capture_mask); 4694 goto skip_nxt_entry; 4695 } 4696 4697 ql_dbg(ql_dbg_p3p, vha, 0xb040, 4698 "[%s]: data ptr[%d]: %p, entry_hdr: %p\n" 4699 "entry_type: 0x%x, captrue_mask: 0x%x\n", 4700 __func__, i, data_ptr, entry_hdr, 4701 entry_hdr->entry_type, 4702 entry_hdr->d_ctrl.entry_capture_mask); 4703 4704 ql_dbg(ql_dbg_p3p, vha, 0xb041, 4705 "Data collected: [0x%x], Dump size left:[0x%x]\n", 4706 data_collected, (ha->md_dump_size - data_collected)); 4707 4708 /* Decode the entry type and take 4709 * required action to capture debug data */ 4710 switch (entry_hdr->entry_type) { 4711 case QLA82XX_RDEND: 4712 qla82xx_mark_entry_skipped(vha, entry_hdr, i); 4713 break; 4714 case QLA82XX_CNTRL: 4715 rval = qla82xx_minidump_process_control(vha, 4716 entry_hdr, &data_ptr); 4717 if (rval != QLA_SUCCESS) { 4718 qla82xx_mark_entry_skipped(vha, entry_hdr, i); 4719 goto md_failed; 4720 } 4721 break; 4722 case QLA82XX_RDCRB: 4723 qla82xx_minidump_process_rdcrb(vha, 4724 entry_hdr, &data_ptr); 4725 break; 4726 case QLA82XX_RDMEM: 4727 rval = qla82xx_minidump_process_rdmem(vha, 4728 entry_hdr, &data_ptr); 4729 if (rval != QLA_SUCCESS) { 4730 qla82xx_mark_entry_skipped(vha, entry_hdr, i); 4731 goto md_failed; 4732 } 4733 break; 4734 case QLA82XX_BOARD: 4735 case QLA82XX_RDROM: 4736 qla82xx_minidump_process_rdrom(vha, 4737 entry_hdr, &data_ptr); 4738 break; 4739 case QLA82XX_L2DTG: 4740 case QLA82XX_L2ITG: 4741 case QLA82XX_L2DAT: 4742 case QLA82XX_L2INS: 4743 rval = qla82xx_minidump_process_l2tag(vha, 4744 entry_hdr, &data_ptr); 4745 if (rval != QLA_SUCCESS) { 4746 qla82xx_mark_entry_skipped(vha, entry_hdr, i); 4747 goto md_failed; 4748 } 4749 break; 4750 case QLA82XX_L1DAT: 4751 case QLA82XX_L1INS: 4752 qla82xx_minidump_process_l1cache(vha, 4753 entry_hdr, &data_ptr); 4754 break; 4755 case QLA82XX_RDOCM: 4756 qla82xx_minidump_process_rdocm(vha, 4757 entry_hdr, &data_ptr); 4758 break; 4759 case QLA82XX_RDMUX: 4760 qla82xx_minidump_process_rdmux(vha, 4761 entry_hdr, &data_ptr); 4762 break; 4763 case QLA82XX_QUEUE: 4764 qla82xx_minidump_process_queue(vha, 4765 entry_hdr, &data_ptr); 4766 break; 4767 case QLA82XX_RDNOP: 4768 default: 4769 qla82xx_mark_entry_skipped(vha, entry_hdr, i); 4770 break; 4771 } 4772 4773 ql_dbg(ql_dbg_p3p, vha, 0xb042, 4774 "[%s]: data ptr[%d]: %p\n", __func__, i, data_ptr); 4775 4776 data_collected = (uint8_t *)data_ptr - 4777 (uint8_t *)ha->md_dump; 4778 skip_nxt_entry: 4779 entry_hdr = (qla82xx_md_entry_hdr_t *) \ 4780 (((uint8_t *)entry_hdr) + entry_hdr->entry_size); 4781 } 4782 4783 if (data_collected != total_data_size) { 4784 ql_dbg(ql_log_warn, vha, 0xb043, 4785 "MiniDump data mismatch: Data collected: [0x%x]," 4786 "total_data_size:[0x%x]\n", 4787 data_collected, total_data_size); 4788 goto md_failed; 4789 } 4790 4791 ql_log(ql_log_info, vha, 0xb044, 4792 "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n", 4793 vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump); 4794 ha->fw_dumped = 1; 4795 qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP); 4796 4797 md_failed: 4798 return rval; 4799 } 4800 4801 int 4802 qla82xx_md_alloc(scsi_qla_host_t *vha) 4803 { 4804 struct qla_hw_data *ha = vha->hw; 4805 int i, k; 4806 struct qla82xx_md_template_hdr *tmplt_hdr; 4807 4808 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; 4809 4810 if (ql2xmdcapmask < 0x3 || ql2xmdcapmask > 0x7F) { 4811 ql2xmdcapmask = tmplt_hdr->capture_debug_level & 0xFF; 4812 ql_log(ql_log_info, vha, 0xb045, 4813 "Forcing driver capture mask to firmware default capture mask: 0x%x.\n", 4814 ql2xmdcapmask); 4815 } 4816 4817 for (i = 0x2, k = 1; (i & QLA82XX_DEFAULT_CAP_MASK); i <<= 1, k++) { 4818 if (i & ql2xmdcapmask) 4819 ha->md_dump_size += tmplt_hdr->capture_size_array[k]; 4820 } 4821 4822 if (ha->md_dump) { 4823 ql_log(ql_log_warn, vha, 0xb046, 4824 "Firmware dump previously allocated.\n"); 4825 return 1; 4826 } 4827 4828 ha->md_dump = vmalloc(ha->md_dump_size); 4829 if (ha->md_dump == NULL) { 4830 ql_log(ql_log_warn, vha, 0xb047, 4831 "Unable to allocate memory for Minidump size " 4832 "(0x%x).\n", ha->md_dump_size); 4833 return 1; 4834 } 4835 return 0; 4836 } 4837 4838 void 4839 qla82xx_md_free(scsi_qla_host_t *vha) 4840 { 4841 struct qla_hw_data *ha = vha->hw; 4842 4843 /* Release the template header allocated */ 4844 if (ha->md_tmplt_hdr) { 4845 ql_log(ql_log_info, vha, 0xb048, 4846 "Free MiniDump template: %p, size (%d KB)\n", 4847 ha->md_tmplt_hdr, ha->md_template_size / 1024); 4848 dma_free_coherent(&ha->pdev->dev, ha->md_template_size, 4849 ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma); 4850 ha->md_tmplt_hdr = 0; 4851 } 4852 4853 /* Release the template data buffer allocated */ 4854 if (ha->md_dump) { 4855 ql_log(ql_log_info, vha, 0xb049, 4856 "Free MiniDump memory: %p, size (%d KB)\n", 4857 ha->md_dump, ha->md_dump_size / 1024); 4858 vfree(ha->md_dump); 4859 ha->md_dump_size = 0; 4860 ha->md_dump = 0; 4861 } 4862 } 4863 4864 void 4865 qla82xx_md_prep(scsi_qla_host_t *vha) 4866 { 4867 struct qla_hw_data *ha = vha->hw; 4868 int rval; 4869 4870 /* Get Minidump template size */ 4871 rval = qla82xx_md_get_template_size(vha); 4872 if (rval == QLA_SUCCESS) { 4873 ql_log(ql_log_info, vha, 0xb04a, 4874 "MiniDump Template size obtained (%d KB)\n", 4875 ha->md_template_size / 1024); 4876 4877 /* Get Minidump template */ 4878 rval = qla82xx_md_get_template(vha); 4879 if (rval == QLA_SUCCESS) { 4880 ql_dbg(ql_dbg_p3p, vha, 0xb04b, 4881 "MiniDump Template obtained\n"); 4882 4883 /* Allocate memory for minidump */ 4884 rval = qla82xx_md_alloc(vha); 4885 if (rval == QLA_SUCCESS) 4886 ql_log(ql_log_info, vha, 0xb04c, 4887 "MiniDump memory allocated (%d KB)\n", 4888 ha->md_dump_size / 1024); 4889 else { 4890 ql_log(ql_log_info, vha, 0xb04d, 4891 "Free MiniDump template: %p, size: (%d KB)\n", 4892 ha->md_tmplt_hdr, 4893 ha->md_template_size / 1024); 4894 dma_free_coherent(&ha->pdev->dev, 4895 ha->md_template_size, 4896 ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma); 4897 ha->md_tmplt_hdr = 0; 4898 } 4899 4900 } 4901 } 4902 } 4903 4904 int 4905 qla82xx_beacon_on(struct scsi_qla_host *vha) 4906 { 4907 4908 int rval; 4909 struct qla_hw_data *ha = vha->hw; 4910 qla82xx_idc_lock(ha); 4911 rval = qla82xx_mbx_beacon_ctl(vha, 1); 4912 4913 if (rval) { 4914 ql_log(ql_log_warn, vha, 0xb050, 4915 "mbx set led config failed in %s\n", __func__); 4916 goto exit; 4917 } 4918 ha->beacon_blink_led = 1; 4919 exit: 4920 qla82xx_idc_unlock(ha); 4921 return rval; 4922 } 4923 4924 int 4925 qla82xx_beacon_off(struct scsi_qla_host *vha) 4926 { 4927 4928 int rval; 4929 struct qla_hw_data *ha = vha->hw; 4930 qla82xx_idc_lock(ha); 4931 rval = qla82xx_mbx_beacon_ctl(vha, 0); 4932 4933 if (rval) { 4934 ql_log(ql_log_warn, vha, 0xb051, 4935 "mbx set led config failed in %s\n", __func__); 4936 goto exit; 4937 } 4938 ha->beacon_blink_led = 0; 4939 exit: 4940 qla82xx_idc_unlock(ha); 4941 return rval; 4942 } 4943