qla_nx.c revision c8582ad95bcbdf46f799d310d7dfee73d941c2f4
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 38static unsigned long crb_addr_xform[MAX_CRB_XFORM]; 39int 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 45static 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 105struct 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 */ 265unsigned 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 */ 333char *q_dev_state[] = { 334 "Unknown", 335 "Cold", 336 "Initializing", 337 "Ready", 338 "Need Reset", 339 "Need Quiescent", 340 "Failed", 341 "Quiescent", 342}; 343 344char *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 */ 354static void 355qla82xx_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 377static inline unsigned long 378qla82xx_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 418static int 419qla82xx_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 449static 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 466int 467qla82xx_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 491int 492qla82xx_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 517int 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 544void 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 */ 556static unsigned long 557qla82xx_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 570int qla82xx_pci_set_window_warning_count; 571 572static unsigned long 573qla82xx_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 */ 649static 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 676static 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 747static int 748qla82xx_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 818static unsigned long 819qla82xx_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 842static long rom_max_timeout = 100; 843static long qla82xx_rom_lock_timeout = 100; 844 845static int 846qla82xx_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 863static void 864qla82xx_rom_unlock(struct qla_hw_data *ha) 865{ 866 qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); 867} 868 869static int 870qla82xx_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 890static int 891qla82xx_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 911static int 912qla82xx_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 935static int 936qla82xx_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 956static int 957qla82xx_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 971static int 972qla82xx_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 996static int 997qla82xx_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 1013static int 1014qla82xx_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 1029static int 1030qla82xx_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 1042static int 1043ql82xx_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 1061static int 1062qla82xx_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 1092done_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 */ 1100static int 1101qla82xx_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 1303static int 1304qla82xx_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 1407static int 1408qla82xx_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 1439int 1440qla82xx_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 1529static struct qla82xx_uri_table_desc * 1530qla82xx_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 1551static struct qla82xx_uri_data_desc * 1552qla82xx_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 1570static u8 * 1571qla82xx_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 1586static __le32 1587qla82xx_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 1601static u8 * 1602qla82xx_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 */ 1618char * 1619qla82xx_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 1637int 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 1655int 1656qla82xx_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 1723iospace_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*/ 1737int 1738qla82xx_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 */ 1758void 1759qla82xx_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 1765void 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 1789void 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 1797static int 1798qla82xx_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 1843static int 1844qla82xx_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 1881int 1882qla82xx_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 1909static int 1910qla82xx_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 1948static int 1949qla82xx_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 */ 1986uint32_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 1993uint32_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 2000static 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 */ 2008static void 2009qla82xx_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 */ 2045irqreturn_t 2046qla82xx_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 2138irqreturn_t 2139qla82xx_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 2211irqreturn_t 2212qla82xx_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 2237void 2238qla82xx_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 2292void 2293qla82xx_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 2303void 2304qla82xx_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 2314void 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 2331inline void 2332qla82xx_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 2349inline void 2350qla82xx_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 2359static inline int 2360qla82xx_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 2374static inline void 2375qla82xx_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 2393static inline void 2394qla82xx_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 2403static inline void 2404qla82xx_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 2413void 2414qla82xx_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 2424static int 2425qla82xx_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 2463try_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 2500fw_load_failed: 2501 return QLA_FUNCTION_FAILED; 2502} 2503 2504int 2505qla82xx_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 2546static inline int 2547qla2xx_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 *dsd_seg++ = 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 */ 2647inline uint16_t 2648qla82xx_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 */ 2664int 2665qla82xx_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 2778sufficient_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 3009queuing_error_fcp_cmnd: 3010 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma); 3011queuing_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 3024static uint32_t * 3025qla82xx_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 } 3041done_read: 3042 return dwptr; 3043} 3044 3045static int 3046qla82xx_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 3074done_unprotect: 3075 qla82xx_rom_unlock(ha); 3076 return ret; 3077} 3078 3079static int 3080qla82xx_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"); 3107done_protect: 3108 qla82xx_rom_unlock(ha); 3109 return ret; 3110} 3111 3112static int 3113qla82xx_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); 3137done: 3138 qla82xx_rom_unlock(ha); 3139 return ret; 3140} 3141 3142/* 3143 * Address and length are byte address 3144 */ 3145uint8_t * 3146qla82xx_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 3155static int 3156qla82xx_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"); 3247write_done: 3248 if (optrom) 3249 dma_free_coherent(&ha->pdev->dev, 3250 OPTROM_BURST_SIZE, optrom, optrom_dma); 3251 return ret; 3252} 3253 3254int 3255qla82xx_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 3274void 3275qla82xx_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 3307void 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 */ 3335static int 3336qla82xx_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 3379dev_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 3400dev_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 3418static void 3419qla82xx_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*/ 3491uint32_t 3492qla82xx_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 3507static void 3508qla82xx_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 */ 3539static void 3540qla82xx_need_reset_handler(scsi_qla_host_t *vha) 3541{ 3542 uint32_t dev_state, drv_state, drv_active, active_mask; 3543 unsigned long reset_timeout; 3544 struct qla_hw_data *ha = vha->hw; 3545 struct req_que *req = ha->req_q_map[0]; 3546 3547 if (vha->flags.online) { 3548 qla82xx_idc_unlock(ha); 3549 qla2x00_abort_isp_cleanup(vha); 3550 ha->isp_ops->get_flash_version(vha, req->ring); 3551 ha->isp_ops->nvram_config(vha); 3552 qla82xx_idc_lock(ha); 3553 } 3554 3555 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3556 if (!ha->flags.isp82xx_reset_owner) { 3557 ql_dbg(ql_dbg_p3p, vha, 0xb028, 3558 "reset_acknowledged by 0x%x\n", ha->portnum); 3559 qla82xx_set_rst_ready(ha); 3560 } else { 3561 active_mask = ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); 3562 drv_active &= active_mask; 3563 ql_dbg(ql_dbg_p3p, vha, 0xb029, 3564 "active_mask: 0x%08x\n", active_mask); 3565 } 3566 3567 /* wait for 10 seconds for reset ack from all functions */ 3568 reset_timeout = jiffies + (ha->nx_reset_timeout * HZ); 3569 3570 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3571 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3572 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3573 3574 ql_dbg(ql_dbg_p3p, vha, 0xb02a, 3575 "drv_state: 0x%08x, drv_active: 0x%08x, " 3576 "dev_state: 0x%08x, active_mask: 0x%08x\n", 3577 drv_state, drv_active, dev_state, active_mask); 3578 3579 while (drv_state != drv_active && 3580 dev_state != QLA82XX_DEV_INITIALIZING) { 3581 if (time_after_eq(jiffies, reset_timeout)) { 3582 ql_log(ql_log_warn, vha, 0x00b5, 3583 "Reset timeout.\n"); 3584 break; 3585 } 3586 qla82xx_idc_unlock(ha); 3587 msleep(1000); 3588 qla82xx_idc_lock(ha); 3589 drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3590 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3591 if (ha->flags.isp82xx_reset_owner) 3592 drv_active &= active_mask; 3593 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3594 } 3595 3596 ql_dbg(ql_dbg_p3p, vha, 0xb02b, 3597 "drv_state: 0x%08x, drv_active: 0x%08x, " 3598 "dev_state: 0x%08x, active_mask: 0x%08x\n", 3599 drv_state, drv_active, dev_state, active_mask); 3600 3601 ql_log(ql_log_info, vha, 0x00b6, 3602 "Device state is 0x%x = %s.\n", 3603 dev_state, 3604 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); 3605 3606 /* Force to DEV_COLD unless someone else is starting a reset */ 3607 if (dev_state != QLA82XX_DEV_INITIALIZING && 3608 dev_state != QLA82XX_DEV_COLD) { 3609 ql_log(ql_log_info, vha, 0x00b7, 3610 "HW State: COLD/RE-INIT.\n"); 3611 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD); 3612 if (ql2xmdenable) { 3613 if (qla82xx_md_collect(vha)) 3614 ql_log(ql_log_warn, vha, 0xb02c, 3615 "Not able to collect minidump.\n"); 3616 } else 3617 ql_log(ql_log_warn, vha, 0xb04f, 3618 "Minidump disabled.\n"); 3619 } 3620} 3621 3622static void 3623qla82xx_check_md_needed(scsi_qla_host_t *vha) 3624{ 3625 struct qla_hw_data *ha = vha->hw; 3626 uint16_t fw_major_version, fw_minor_version, fw_subminor_version; 3627 uint16_t fw_attributes; 3628 uint32_t fw_memory_size, mpi_capabilities; 3629 uint8_t mpi_version[3], phy_version[3]; 3630 3631 if (!ha->fw_dumped) { 3632 qla2x00_get_fw_version(vha, 3633 &fw_major_version, 3634 &fw_minor_version, 3635 &fw_subminor_version, 3636 &fw_attributes, &fw_memory_size, 3637 mpi_version, &mpi_capabilities, 3638 phy_version); 3639 3640 if (fw_major_version != ha->fw_major_version || 3641 fw_minor_version != ha->fw_minor_version || 3642 fw_subminor_version != ha->fw_subminor_version) { 3643 ql_log(ql_log_info, vha, 0xb02d, 3644 "Firmware version differs " 3645 "Previous version: %d:%d:%d - " 3646 "New version: %d:%d:%d\n", 3647 ha->fw_major_version, 3648 ha->fw_minor_version, ha->fw_subminor_version, 3649 fw_major_version, fw_minor_version, 3650 fw_subminor_version); 3651 /* Release MiniDump resources */ 3652 qla82xx_md_free(vha); 3653 /* ALlocate MiniDump resources */ 3654 qla82xx_md_prep(vha); 3655 } 3656 } else 3657 ql_log(ql_log_info, vha, 0xb02e, 3658 "Firmware dump available to retrieve\n", 3659 vha->host_no); 3660} 3661 3662 3663int 3664qla82xx_check_fw_alive(scsi_qla_host_t *vha) 3665{ 3666 uint32_t fw_heartbeat_counter; 3667 int status = 0; 3668 3669 fw_heartbeat_counter = qla82xx_rd_32(vha->hw, 3670 QLA82XX_PEG_ALIVE_COUNTER); 3671 /* all 0xff, assume AER/EEH in progress, ignore */ 3672 if (fw_heartbeat_counter == 0xffffffff) { 3673 ql_dbg(ql_dbg_timer, vha, 0x6003, 3674 "FW heartbeat counter is 0xffffffff, " 3675 "returning status=%d.\n", status); 3676 return status; 3677 } 3678 if (vha->fw_heartbeat_counter == fw_heartbeat_counter) { 3679 vha->seconds_since_last_heartbeat++; 3680 /* FW not alive after 2 seconds */ 3681 if (vha->seconds_since_last_heartbeat == 2) { 3682 vha->seconds_since_last_heartbeat = 0; 3683 status = 1; 3684 } 3685 } else 3686 vha->seconds_since_last_heartbeat = 0; 3687 vha->fw_heartbeat_counter = fw_heartbeat_counter; 3688 if (status) 3689 ql_dbg(ql_dbg_timer, vha, 0x6004, 3690 "Returning status=%d.\n", status); 3691 return status; 3692} 3693 3694/* 3695 * qla82xx_device_state_handler 3696 * Main state handler 3697 * 3698 * Note: 3699 * IDC lock must be held upon entry 3700 * 3701 * Return: 3702 * Success : 0 3703 * Failed : 1 3704 */ 3705int 3706qla82xx_device_state_handler(scsi_qla_host_t *vha) 3707{ 3708 uint32_t dev_state; 3709 uint32_t old_dev_state; 3710 int rval = QLA_SUCCESS; 3711 unsigned long dev_init_timeout; 3712 struct qla_hw_data *ha = vha->hw; 3713 int loopcount = 0; 3714 3715 qla82xx_idc_lock(ha); 3716 if (!vha->flags.init_done) 3717 qla82xx_set_drv_active(vha); 3718 3719 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3720 old_dev_state = dev_state; 3721 ql_log(ql_log_info, vha, 0x009b, 3722 "Device state is 0x%x = %s.\n", 3723 dev_state, 3724 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); 3725 3726 /* wait for 30 seconds for device to go ready */ 3727 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ); 3728 3729 while (1) { 3730 3731 if (time_after_eq(jiffies, dev_init_timeout)) { 3732 ql_log(ql_log_fatal, vha, 0x009c, 3733 "Device init failed.\n"); 3734 rval = QLA_FUNCTION_FAILED; 3735 break; 3736 } 3737 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3738 if (old_dev_state != dev_state) { 3739 loopcount = 0; 3740 old_dev_state = dev_state; 3741 } 3742 if (loopcount < 5) { 3743 ql_log(ql_log_info, vha, 0x009d, 3744 "Device state is 0x%x = %s.\n", 3745 dev_state, 3746 dev_state < MAX_STATES ? qdev_state(dev_state) : 3747 "Unknown"); 3748 } 3749 3750 switch (dev_state) { 3751 case QLA82XX_DEV_READY: 3752 qla82xx_check_md_needed(vha); 3753 ha->flags.isp82xx_reset_owner = 0; 3754 goto exit; 3755 case QLA82XX_DEV_COLD: 3756 rval = qla82xx_device_bootstrap(vha); 3757 break; 3758 case QLA82XX_DEV_INITIALIZING: 3759 qla82xx_idc_unlock(ha); 3760 msleep(1000); 3761 qla82xx_idc_lock(ha); 3762 break; 3763 case QLA82XX_DEV_NEED_RESET: 3764 if (!ql2xdontresethba) 3765 qla82xx_need_reset_handler(vha); 3766 else { 3767 qla82xx_idc_unlock(ha); 3768 msleep(1000); 3769 qla82xx_idc_lock(ha); 3770 } 3771 dev_init_timeout = jiffies + 3772 (ha->nx_dev_init_timeout * HZ); 3773 break; 3774 case QLA82XX_DEV_NEED_QUIESCENT: 3775 qla82xx_need_qsnt_handler(vha); 3776 /* Reset timeout value after quiescence handler */ 3777 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\ 3778 * HZ); 3779 break; 3780 case QLA82XX_DEV_QUIESCENT: 3781 /* Owner will exit and other will wait for the state 3782 * to get changed 3783 */ 3784 if (ha->flags.quiesce_owner) 3785 goto exit; 3786 3787 qla82xx_idc_unlock(ha); 3788 msleep(1000); 3789 qla82xx_idc_lock(ha); 3790 3791 /* Reset timeout value after quiescence handler */ 3792 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\ 3793 * HZ); 3794 break; 3795 case QLA82XX_DEV_FAILED: 3796 qla82xx_dev_failed_handler(vha); 3797 rval = QLA_FUNCTION_FAILED; 3798 goto exit; 3799 default: 3800 qla82xx_idc_unlock(ha); 3801 msleep(1000); 3802 qla82xx_idc_lock(ha); 3803 } 3804 loopcount++; 3805 } 3806exit: 3807 qla82xx_idc_unlock(ha); 3808 return rval; 3809} 3810 3811void qla82xx_watchdog(scsi_qla_host_t *vha) 3812{ 3813 uint32_t dev_state, halt_status; 3814 struct qla_hw_data *ha = vha->hw; 3815 3816 /* don't poll if reset is going on */ 3817 if (!ha->flags.isp82xx_reset_hdlr_active) { 3818 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3819 if (dev_state == QLA82XX_DEV_NEED_RESET && 3820 !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) { 3821 ql_log(ql_log_warn, vha, 0x6001, 3822 "Adapter reset needed.\n"); 3823 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3824 qla2xxx_wake_dpc(vha); 3825 } else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT && 3826 !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) { 3827 ql_log(ql_log_warn, vha, 0x6002, 3828 "Quiescent needed.\n"); 3829 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 3830 qla2xxx_wake_dpc(vha); 3831 } else { 3832 if (qla82xx_check_fw_alive(vha)) { 3833 halt_status = qla82xx_rd_32(ha, 3834 QLA82XX_PEG_HALT_STATUS1); 3835 ql_dbg(ql_dbg_timer, vha, 0x6005, 3836 "dumping hw/fw registers:.\n " 3837 " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n " 3838 " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n " 3839 " PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,.\n " 3840 " PEG_NET_4_PC: 0x%x.\n", halt_status, 3841 qla82xx_rd_32(ha, QLA82XX_PEG_HALT_STATUS2), 3842 qla82xx_rd_32(ha, 3843 QLA82XX_CRB_PEG_NET_0 + 0x3c), 3844 qla82xx_rd_32(ha, 3845 QLA82XX_CRB_PEG_NET_1 + 0x3c), 3846 qla82xx_rd_32(ha, 3847 QLA82XX_CRB_PEG_NET_2 + 0x3c), 3848 qla82xx_rd_32(ha, 3849 QLA82XX_CRB_PEG_NET_3 + 0x3c), 3850 qla82xx_rd_32(ha, 3851 QLA82XX_CRB_PEG_NET_4 + 0x3c)); 3852 if (halt_status & HALT_STATUS_UNRECOVERABLE) { 3853 set_bit(ISP_UNRECOVERABLE, 3854 &vha->dpc_flags); 3855 } else { 3856 ql_log(ql_log_info, vha, 0x6006, 3857 "Detect abort needed.\n"); 3858 set_bit(ISP_ABORT_NEEDED, 3859 &vha->dpc_flags); 3860 } 3861 qla2xxx_wake_dpc(vha); 3862 ha->flags.isp82xx_fw_hung = 1; 3863 if (ha->flags.mbox_busy) { 3864 ha->flags.mbox_int = 1; 3865 ql_log(ql_log_warn, vha, 0x6007, 3866 "Due to FW hung, doing " 3867 "premature completion of mbx " 3868 "command.\n"); 3869 if (test_bit(MBX_INTR_WAIT, 3870 &ha->mbx_cmd_flags)) 3871 complete(&ha->mbx_intr_comp); 3872 } 3873 } 3874 } 3875 } 3876} 3877 3878int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) 3879{ 3880 int rval; 3881 rval = qla82xx_device_state_handler(vha); 3882 return rval; 3883} 3884 3885void 3886qla82xx_set_reset_owner(scsi_qla_host_t *vha) 3887{ 3888 struct qla_hw_data *ha = vha->hw; 3889 uint32_t dev_state; 3890 3891 dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3892 if (dev_state == QLA82XX_DEV_READY) { 3893 ql_log(ql_log_info, vha, 0xb02f, 3894 "HW State: NEED RESET\n"); 3895 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, 3896 QLA82XX_DEV_NEED_RESET); 3897 ha->flags.isp82xx_reset_owner = 1; 3898 ql_dbg(ql_dbg_p3p, vha, 0xb030, 3899 "reset_owner is 0x%x\n", ha->portnum); 3900 } else 3901 ql_log(ql_log_info, vha, 0xb031, 3902 "Device state is 0x%x = %s.\n", 3903 dev_state, 3904 dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); 3905} 3906 3907/* 3908 * qla82xx_abort_isp 3909 * Resets ISP and aborts all outstanding commands. 3910 * 3911 * Input: 3912 * ha = adapter block pointer. 3913 * 3914 * Returns: 3915 * 0 = success 3916 */ 3917int 3918qla82xx_abort_isp(scsi_qla_host_t *vha) 3919{ 3920 int rval; 3921 struct qla_hw_data *ha = vha->hw; 3922 3923 if (vha->device_flags & DFLG_DEV_FAILED) { 3924 ql_log(ql_log_warn, vha, 0x8024, 3925 "Device in failed state, exiting.\n"); 3926 return QLA_SUCCESS; 3927 } 3928 ha->flags.isp82xx_reset_hdlr_active = 1; 3929 3930 qla82xx_idc_lock(ha); 3931 qla82xx_set_reset_owner(vha); 3932 qla82xx_idc_unlock(ha); 3933 3934 rval = qla82xx_device_state_handler(vha); 3935 3936 qla82xx_idc_lock(ha); 3937 qla82xx_clear_rst_ready(ha); 3938 qla82xx_idc_unlock(ha); 3939 3940 if (rval == QLA_SUCCESS) { 3941 ha->flags.isp82xx_fw_hung = 0; 3942 ha->flags.isp82xx_reset_hdlr_active = 0; 3943 qla82xx_restart_isp(vha); 3944 } 3945 3946 if (rval) { 3947 vha->flags.online = 1; 3948 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { 3949 if (ha->isp_abort_cnt == 0) { 3950 ql_log(ql_log_warn, vha, 0x8027, 3951 "ISP error recover failed - board " 3952 "disabled.\n"); 3953 /* 3954 * The next call disables the board 3955 * completely. 3956 */ 3957 ha->isp_ops->reset_adapter(vha); 3958 vha->flags.online = 0; 3959 clear_bit(ISP_ABORT_RETRY, 3960 &vha->dpc_flags); 3961 rval = QLA_SUCCESS; 3962 } else { /* schedule another ISP abort */ 3963 ha->isp_abort_cnt--; 3964 ql_log(ql_log_warn, vha, 0x8036, 3965 "ISP abort - retry remaining %d.\n", 3966 ha->isp_abort_cnt); 3967 rval = QLA_FUNCTION_FAILED; 3968 } 3969 } else { 3970 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3971 ql_dbg(ql_dbg_taskm, vha, 0x8029, 3972 "ISP error recovery - retrying (%d) more times.\n", 3973 ha->isp_abort_cnt); 3974 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 3975 rval = QLA_FUNCTION_FAILED; 3976 } 3977 } 3978 return rval; 3979} 3980 3981/* 3982 * qla82xx_fcoe_ctx_reset 3983 * Perform a quick reset and aborts all outstanding commands. 3984 * This will only perform an FCoE context reset and avoids a full blown 3985 * chip reset. 3986 * 3987 * Input: 3988 * ha = adapter block pointer. 3989 * is_reset_path = flag for identifying the reset path. 3990 * 3991 * Returns: 3992 * 0 = success 3993 */ 3994int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha) 3995{ 3996 int rval = QLA_FUNCTION_FAILED; 3997 3998 if (vha->flags.online) { 3999 /* Abort all outstanding commands, so as to be requeued later */ 4000 qla2x00_abort_isp_cleanup(vha); 4001 } 4002 4003 /* Stop currently executing firmware. 4004 * This will destroy existing FCoE context at the F/W end. 4005 */ 4006 qla2x00_try_to_stop_firmware(vha); 4007 4008 /* Restart. Creates a new FCoE context on INIT_FIRMWARE. */ 4009 rval = qla82xx_restart_isp(vha); 4010 4011 return rval; 4012} 4013 4014/* 4015 * qla2x00_wait_for_fcoe_ctx_reset 4016 * Wait till the FCoE context is reset. 4017 * 4018 * Note: 4019 * Does context switching here. 4020 * Release SPIN_LOCK (if any) before calling this routine. 4021 * 4022 * Return: 4023 * Success (fcoe_ctx reset is done) : 0 4024 * Failed (fcoe_ctx reset not completed within max loop timout ) : 1 4025 */ 4026int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha) 4027{ 4028 int status = QLA_FUNCTION_FAILED; 4029 unsigned long wait_reset; 4030 4031 wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ); 4032 while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) || 4033 test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) 4034 && time_before(jiffies, wait_reset)) { 4035 4036 set_current_state(TASK_UNINTERRUPTIBLE); 4037 schedule_timeout(HZ); 4038 4039 if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) && 4040 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 4041 status = QLA_SUCCESS; 4042 break; 4043 } 4044 } 4045 ql_dbg(ql_dbg_p3p, vha, 0xb027, 4046 "%s status=%d.\n", status); 4047 4048 return status; 4049} 4050 4051void 4052qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha) 4053{ 4054 int i; 4055 unsigned long flags; 4056 struct qla_hw_data *ha = vha->hw; 4057 4058 /* Check if 82XX firmware is alive or not 4059 * We may have arrived here from NEED_RESET 4060 * detection only 4061 */ 4062 if (!ha->flags.isp82xx_fw_hung) { 4063 for (i = 0; i < 2; i++) { 4064 msleep(1000); 4065 if (qla82xx_check_fw_alive(vha)) { 4066 ha->flags.isp82xx_fw_hung = 1; 4067 if (ha->flags.mbox_busy) { 4068 ha->flags.mbox_int = 1; 4069 complete(&ha->mbx_intr_comp); 4070 } 4071 break; 4072 } 4073 } 4074 } 4075 ql_dbg(ql_dbg_init, vha, 0x00b0, 4076 "Entered %s fw_hung=%d.\n", 4077 __func__, ha->flags.isp82xx_fw_hung); 4078 4079 /* Abort all commands gracefully if fw NOT hung */ 4080 if (!ha->flags.isp82xx_fw_hung) { 4081 int cnt, que; 4082 srb_t *sp; 4083 struct req_que *req; 4084 4085 spin_lock_irqsave(&ha->hardware_lock, flags); 4086 for (que = 0; que < ha->max_req_queues; que++) { 4087 req = ha->req_q_map[que]; 4088 if (!req) 4089 continue; 4090 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 4091 sp = req->outstanding_cmds[cnt]; 4092 if (sp) { 4093 if (!sp->ctx || 4094 (sp->flags & SRB_FCP_CMND_DMA_VALID)) { 4095 spin_unlock_irqrestore( 4096 &ha->hardware_lock, flags); 4097 if (ha->isp_ops->abort_command(sp)) { 4098 ql_log(ql_log_info, vha, 4099 0x00b1, 4100 "mbx abort failed.\n"); 4101 } else { 4102 ql_log(ql_log_info, vha, 4103 0x00b2, 4104 "mbx abort success.\n"); 4105 } 4106 spin_lock_irqsave(&ha->hardware_lock, flags); 4107 } 4108 } 4109 } 4110 } 4111 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4112 4113 /* Wait for pending cmds (physical and virtual) to complete */ 4114 if (!qla2x00_eh_wait_for_pending_commands(vha, 0, 0, 4115 WAIT_HOST) == QLA_SUCCESS) { 4116 ql_dbg(ql_dbg_init, vha, 0x00b3, 4117 "Done wait for " 4118 "pending commands.\n"); 4119 } 4120 } 4121} 4122 4123/* Minidump related functions */ 4124int 4125qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag) 4126{ 4127 uint32_t off_value, rval = 0; 4128 4129 WRT_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase), 4130 (off & 0xFFFF0000)); 4131 4132 /* Read back value to make sure write has gone through */ 4133 RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase)); 4134 off_value = (off & 0x0000FFFF); 4135 4136 if (flag) 4137 WRT_REG_DWORD((void *) 4138 (off_value + CRB_INDIRECT_2M + ha->nx_pcibase), 4139 data); 4140 else 4141 rval = RD_REG_DWORD((void *) 4142 (off_value + CRB_INDIRECT_2M + ha->nx_pcibase)); 4143 4144 return rval; 4145} 4146 4147static int 4148qla82xx_minidump_process_control(scsi_qla_host_t *vha, 4149 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4150{ 4151 struct qla_hw_data *ha = vha->hw; 4152 struct qla82xx_md_entry_crb *crb_entry; 4153 uint32_t read_value, opcode, poll_time; 4154 uint32_t addr, index, crb_addr; 4155 unsigned long wtime; 4156 struct qla82xx_md_template_hdr *tmplt_hdr; 4157 uint32_t rval = QLA_SUCCESS; 4158 int i; 4159 4160 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; 4161 crb_entry = (struct qla82xx_md_entry_crb *)entry_hdr; 4162 crb_addr = crb_entry->addr; 4163 4164 for (i = 0; i < crb_entry->op_count; i++) { 4165 opcode = crb_entry->crb_ctrl.opcode; 4166 if (opcode & QLA82XX_DBG_OPCODE_WR) { 4167 qla82xx_md_rw_32(ha, crb_addr, 4168 crb_entry->value_1, 1); 4169 opcode &= ~QLA82XX_DBG_OPCODE_WR; 4170 } 4171 4172 if (opcode & QLA82XX_DBG_OPCODE_RW) { 4173 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); 4174 qla82xx_md_rw_32(ha, crb_addr, read_value, 1); 4175 opcode &= ~QLA82XX_DBG_OPCODE_RW; 4176 } 4177 4178 if (opcode & QLA82XX_DBG_OPCODE_AND) { 4179 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); 4180 read_value &= crb_entry->value_2; 4181 opcode &= ~QLA82XX_DBG_OPCODE_AND; 4182 if (opcode & QLA82XX_DBG_OPCODE_OR) { 4183 read_value |= crb_entry->value_3; 4184 opcode &= ~QLA82XX_DBG_OPCODE_OR; 4185 } 4186 qla82xx_md_rw_32(ha, crb_addr, read_value, 1); 4187 } 4188 4189 if (opcode & QLA82XX_DBG_OPCODE_OR) { 4190 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); 4191 read_value |= crb_entry->value_3; 4192 qla82xx_md_rw_32(ha, crb_addr, read_value, 1); 4193 opcode &= ~QLA82XX_DBG_OPCODE_OR; 4194 } 4195 4196 if (opcode & QLA82XX_DBG_OPCODE_POLL) { 4197 poll_time = crb_entry->crb_strd.poll_timeout; 4198 wtime = jiffies + poll_time; 4199 read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); 4200 4201 do { 4202 if ((read_value & crb_entry->value_2) 4203 == crb_entry->value_1) 4204 break; 4205 else if (time_after_eq(jiffies, wtime)) { 4206 /* capturing dump failed */ 4207 rval = QLA_FUNCTION_FAILED; 4208 break; 4209 } else 4210 read_value = qla82xx_md_rw_32(ha, 4211 crb_addr, 0, 0); 4212 } while (1); 4213 opcode &= ~QLA82XX_DBG_OPCODE_POLL; 4214 } 4215 4216 if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) { 4217 if (crb_entry->crb_strd.state_index_a) { 4218 index = crb_entry->crb_strd.state_index_a; 4219 addr = tmplt_hdr->saved_state_array[index]; 4220 } else 4221 addr = crb_addr; 4222 4223 read_value = qla82xx_md_rw_32(ha, addr, 0, 0); 4224 index = crb_entry->crb_ctrl.state_index_v; 4225 tmplt_hdr->saved_state_array[index] = read_value; 4226 opcode &= ~QLA82XX_DBG_OPCODE_RDSTATE; 4227 } 4228 4229 if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) { 4230 if (crb_entry->crb_strd.state_index_a) { 4231 index = crb_entry->crb_strd.state_index_a; 4232 addr = tmplt_hdr->saved_state_array[index]; 4233 } else 4234 addr = crb_addr; 4235 4236 if (crb_entry->crb_ctrl.state_index_v) { 4237 index = crb_entry->crb_ctrl.state_index_v; 4238 read_value = 4239 tmplt_hdr->saved_state_array[index]; 4240 } else 4241 read_value = crb_entry->value_1; 4242 4243 qla82xx_md_rw_32(ha, addr, read_value, 1); 4244 opcode &= ~QLA82XX_DBG_OPCODE_WRSTATE; 4245 } 4246 4247 if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) { 4248 index = crb_entry->crb_ctrl.state_index_v; 4249 read_value = tmplt_hdr->saved_state_array[index]; 4250 read_value <<= crb_entry->crb_ctrl.shl; 4251 read_value >>= crb_entry->crb_ctrl.shr; 4252 if (crb_entry->value_2) 4253 read_value &= crb_entry->value_2; 4254 read_value |= crb_entry->value_3; 4255 read_value += crb_entry->value_1; 4256 tmplt_hdr->saved_state_array[index] = read_value; 4257 opcode &= ~QLA82XX_DBG_OPCODE_MDSTATE; 4258 } 4259 crb_addr += crb_entry->crb_strd.addr_stride; 4260 } 4261 return rval; 4262} 4263 4264static void 4265qla82xx_minidump_process_rdocm(scsi_qla_host_t *vha, 4266 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4267{ 4268 struct qla_hw_data *ha = vha->hw; 4269 uint32_t r_addr, r_stride, loop_cnt, i, r_value; 4270 struct qla82xx_md_entry_rdocm *ocm_hdr; 4271 uint32_t *data_ptr = *d_ptr; 4272 4273 ocm_hdr = (struct qla82xx_md_entry_rdocm *)entry_hdr; 4274 r_addr = ocm_hdr->read_addr; 4275 r_stride = ocm_hdr->read_addr_stride; 4276 loop_cnt = ocm_hdr->op_count; 4277 4278 for (i = 0; i < loop_cnt; i++) { 4279 r_value = RD_REG_DWORD((void *)(r_addr + ha->nx_pcibase)); 4280 *data_ptr++ = cpu_to_le32(r_value); 4281 r_addr += r_stride; 4282 } 4283 *d_ptr = data_ptr; 4284} 4285 4286static void 4287qla82xx_minidump_process_rdmux(scsi_qla_host_t *vha, 4288 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4289{ 4290 struct qla_hw_data *ha = vha->hw; 4291 uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value; 4292 struct qla82xx_md_entry_mux *mux_hdr; 4293 uint32_t *data_ptr = *d_ptr; 4294 4295 mux_hdr = (struct qla82xx_md_entry_mux *)entry_hdr; 4296 r_addr = mux_hdr->read_addr; 4297 s_addr = mux_hdr->select_addr; 4298 s_stride = mux_hdr->select_value_stride; 4299 s_value = mux_hdr->select_value; 4300 loop_cnt = mux_hdr->op_count; 4301 4302 for (i = 0; i < loop_cnt; i++) { 4303 qla82xx_md_rw_32(ha, s_addr, s_value, 1); 4304 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); 4305 *data_ptr++ = cpu_to_le32(s_value); 4306 *data_ptr++ = cpu_to_le32(r_value); 4307 s_value += s_stride; 4308 } 4309 *d_ptr = data_ptr; 4310} 4311 4312static void 4313qla82xx_minidump_process_rdcrb(scsi_qla_host_t *vha, 4314 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4315{ 4316 struct qla_hw_data *ha = vha->hw; 4317 uint32_t r_addr, r_stride, loop_cnt, i, r_value; 4318 struct qla82xx_md_entry_crb *crb_hdr; 4319 uint32_t *data_ptr = *d_ptr; 4320 4321 crb_hdr = (struct qla82xx_md_entry_crb *)entry_hdr; 4322 r_addr = crb_hdr->addr; 4323 r_stride = crb_hdr->crb_strd.addr_stride; 4324 loop_cnt = crb_hdr->op_count; 4325 4326 for (i = 0; i < loop_cnt; i++) { 4327 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); 4328 *data_ptr++ = cpu_to_le32(r_addr); 4329 *data_ptr++ = cpu_to_le32(r_value); 4330 r_addr += r_stride; 4331 } 4332 *d_ptr = data_ptr; 4333} 4334 4335static int 4336qla82xx_minidump_process_l2tag(scsi_qla_host_t *vha, 4337 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4338{ 4339 struct qla_hw_data *ha = vha->hw; 4340 uint32_t addr, r_addr, c_addr, t_r_addr; 4341 uint32_t i, k, loop_count, t_value, r_cnt, r_value; 4342 unsigned long p_wait, w_time, p_mask; 4343 uint32_t c_value_w, c_value_r; 4344 struct qla82xx_md_entry_cache *cache_hdr; 4345 int rval = QLA_FUNCTION_FAILED; 4346 uint32_t *data_ptr = *d_ptr; 4347 4348 cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr; 4349 loop_count = cache_hdr->op_count; 4350 r_addr = cache_hdr->read_addr; 4351 c_addr = cache_hdr->control_addr; 4352 c_value_w = cache_hdr->cache_ctrl.write_value; 4353 4354 t_r_addr = cache_hdr->tag_reg_addr; 4355 t_value = cache_hdr->addr_ctrl.init_tag_value; 4356 r_cnt = cache_hdr->read_ctrl.read_addr_cnt; 4357 p_wait = cache_hdr->cache_ctrl.poll_wait; 4358 p_mask = cache_hdr->cache_ctrl.poll_mask; 4359 4360 for (i = 0; i < loop_count; i++) { 4361 qla82xx_md_rw_32(ha, t_r_addr, t_value, 1); 4362 if (c_value_w) 4363 qla82xx_md_rw_32(ha, c_addr, c_value_w, 1); 4364 4365 if (p_mask) { 4366 w_time = jiffies + p_wait; 4367 do { 4368 c_value_r = qla82xx_md_rw_32(ha, c_addr, 0, 0); 4369 if ((c_value_r & p_mask) == 0) 4370 break; 4371 else if (time_after_eq(jiffies, w_time)) { 4372 /* capturing dump failed */ 4373 ql_dbg(ql_dbg_p3p, vha, 0xb032, 4374 "c_value_r: 0x%x, poll_mask: 0x%lx, " 4375 "w_time: 0x%lx\n", 4376 c_value_r, p_mask, w_time); 4377 return rval; 4378 } 4379 } while (1); 4380 } 4381 4382 addr = r_addr; 4383 for (k = 0; k < r_cnt; k++) { 4384 r_value = qla82xx_md_rw_32(ha, addr, 0, 0); 4385 *data_ptr++ = cpu_to_le32(r_value); 4386 addr += cache_hdr->read_ctrl.read_addr_stride; 4387 } 4388 t_value += cache_hdr->addr_ctrl.tag_value_stride; 4389 } 4390 *d_ptr = data_ptr; 4391 return QLA_SUCCESS; 4392} 4393 4394static void 4395qla82xx_minidump_process_l1cache(scsi_qla_host_t *vha, 4396 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4397{ 4398 struct qla_hw_data *ha = vha->hw; 4399 uint32_t addr, r_addr, c_addr, t_r_addr; 4400 uint32_t i, k, loop_count, t_value, r_cnt, r_value; 4401 uint32_t c_value_w; 4402 struct qla82xx_md_entry_cache *cache_hdr; 4403 uint32_t *data_ptr = *d_ptr; 4404 4405 cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr; 4406 loop_count = cache_hdr->op_count; 4407 r_addr = cache_hdr->read_addr; 4408 c_addr = cache_hdr->control_addr; 4409 c_value_w = cache_hdr->cache_ctrl.write_value; 4410 4411 t_r_addr = cache_hdr->tag_reg_addr; 4412 t_value = cache_hdr->addr_ctrl.init_tag_value; 4413 r_cnt = cache_hdr->read_ctrl.read_addr_cnt; 4414 4415 for (i = 0; i < loop_count; i++) { 4416 qla82xx_md_rw_32(ha, t_r_addr, t_value, 1); 4417 qla82xx_md_rw_32(ha, c_addr, c_value_w, 1); 4418 addr = r_addr; 4419 for (k = 0; k < r_cnt; k++) { 4420 r_value = qla82xx_md_rw_32(ha, addr, 0, 0); 4421 *data_ptr++ = cpu_to_le32(r_value); 4422 addr += cache_hdr->read_ctrl.read_addr_stride; 4423 } 4424 t_value += cache_hdr->addr_ctrl.tag_value_stride; 4425 } 4426 *d_ptr = data_ptr; 4427} 4428 4429static void 4430qla82xx_minidump_process_queue(scsi_qla_host_t *vha, 4431 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4432{ 4433 struct qla_hw_data *ha = vha->hw; 4434 uint32_t s_addr, r_addr; 4435 uint32_t r_stride, r_value, r_cnt, qid = 0; 4436 uint32_t i, k, loop_cnt; 4437 struct qla82xx_md_entry_queue *q_hdr; 4438 uint32_t *data_ptr = *d_ptr; 4439 4440 q_hdr = (struct qla82xx_md_entry_queue *)entry_hdr; 4441 s_addr = q_hdr->select_addr; 4442 r_cnt = q_hdr->rd_strd.read_addr_cnt; 4443 r_stride = q_hdr->rd_strd.read_addr_stride; 4444 loop_cnt = q_hdr->op_count; 4445 4446 for (i = 0; i < loop_cnt; i++) { 4447 qla82xx_md_rw_32(ha, s_addr, qid, 1); 4448 r_addr = q_hdr->read_addr; 4449 for (k = 0; k < r_cnt; k++) { 4450 r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); 4451 *data_ptr++ = cpu_to_le32(r_value); 4452 r_addr += r_stride; 4453 } 4454 qid += q_hdr->q_strd.queue_id_stride; 4455 } 4456 *d_ptr = data_ptr; 4457} 4458 4459static void 4460qla82xx_minidump_process_rdrom(scsi_qla_host_t *vha, 4461 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4462{ 4463 struct qla_hw_data *ha = vha->hw; 4464 uint32_t r_addr, r_value; 4465 uint32_t i, loop_cnt; 4466 struct qla82xx_md_entry_rdrom *rom_hdr; 4467 uint32_t *data_ptr = *d_ptr; 4468 4469 rom_hdr = (struct qla82xx_md_entry_rdrom *)entry_hdr; 4470 r_addr = rom_hdr->read_addr; 4471 loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t); 4472 4473 for (i = 0; i < loop_cnt; i++) { 4474 qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW, 4475 (r_addr & 0xFFFF0000), 1); 4476 r_value = qla82xx_md_rw_32(ha, 4477 MD_DIRECT_ROM_READ_BASE + 4478 (r_addr & 0x0000FFFF), 0, 0); 4479 *data_ptr++ = cpu_to_le32(r_value); 4480 r_addr += sizeof(uint32_t); 4481 } 4482 *d_ptr = data_ptr; 4483} 4484 4485static int 4486qla82xx_minidump_process_rdmem(scsi_qla_host_t *vha, 4487 qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) 4488{ 4489 struct qla_hw_data *ha = vha->hw; 4490 uint32_t r_addr, r_value, r_data; 4491 uint32_t i, j, loop_cnt; 4492 struct qla82xx_md_entry_rdmem *m_hdr; 4493 unsigned long flags; 4494 int rval = QLA_FUNCTION_FAILED; 4495 uint32_t *data_ptr = *d_ptr; 4496 4497 m_hdr = (struct qla82xx_md_entry_rdmem *)entry_hdr; 4498 r_addr = m_hdr->read_addr; 4499 loop_cnt = m_hdr->read_data_size/16; 4500 4501 if (r_addr & 0xf) { 4502 ql_log(ql_log_warn, vha, 0xb033, 4503 "Read addr 0x%x not 16 bytes alligned\n", r_addr); 4504 return rval; 4505 } 4506 4507 if (m_hdr->read_data_size % 16) { 4508 ql_log(ql_log_warn, vha, 0xb034, 4509 "Read data[0x%x] not multiple of 16 bytes\n", 4510 m_hdr->read_data_size); 4511 return rval; 4512 } 4513 4514 ql_dbg(ql_dbg_p3p, vha, 0xb035, 4515 "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n", 4516 __func__, r_addr, m_hdr->read_data_size, loop_cnt); 4517 4518 write_lock_irqsave(&ha->hw_lock, flags); 4519 for (i = 0; i < loop_cnt; i++) { 4520 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_LO, r_addr, 1); 4521 r_value = 0; 4522 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_HI, r_value, 1); 4523 r_value = MIU_TA_CTL_ENABLE; 4524 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1); 4525 r_value = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE; 4526 qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1); 4527 4528 for (j = 0; j < MAX_CTL_CHECK; j++) { 4529 r_value = qla82xx_md_rw_32(ha, 4530 MD_MIU_TEST_AGT_CTRL, 0, 0); 4531 if ((r_value & MIU_TA_CTL_BUSY) == 0) 4532 break; 4533 } 4534 4535 if (j >= MAX_CTL_CHECK) { 4536 printk_ratelimited(KERN_ERR 4537 "failed to read through agent\n"); 4538 write_unlock_irqrestore(&ha->hw_lock, flags); 4539 return rval; 4540 } 4541 4542 for (j = 0; j < 4; j++) { 4543 r_data = qla82xx_md_rw_32(ha, 4544 MD_MIU_TEST_AGT_RDDATA[j], 0, 0); 4545 *data_ptr++ = cpu_to_le32(r_data); 4546 } 4547 r_addr += 16; 4548 } 4549 write_unlock_irqrestore(&ha->hw_lock, flags); 4550 *d_ptr = data_ptr; 4551 return QLA_SUCCESS; 4552} 4553 4554static int 4555qla82xx_validate_template_chksum(scsi_qla_host_t *vha) 4556{ 4557 struct qla_hw_data *ha = vha->hw; 4558 uint64_t chksum = 0; 4559 uint32_t *d_ptr = (uint32_t *)ha->md_tmplt_hdr; 4560 int count = ha->md_template_size/sizeof(uint32_t); 4561 4562 while (count-- > 0) 4563 chksum += *d_ptr++; 4564 while (chksum >> 32) 4565 chksum = (chksum & 0xFFFFFFFF) + (chksum >> 32); 4566 return ~chksum; 4567} 4568 4569static void 4570qla82xx_mark_entry_skipped(scsi_qla_host_t *vha, 4571 qla82xx_md_entry_hdr_t *entry_hdr, int index) 4572{ 4573 entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG; 4574 ql_dbg(ql_dbg_p3p, vha, 0xb036, 4575 "Skipping entry[%d]: " 4576 "ETYPE[0x%x]-ELEVEL[0x%x]\n", 4577 index, entry_hdr->entry_type, 4578 entry_hdr->d_ctrl.entry_capture_mask); 4579} 4580 4581int 4582qla82xx_md_collect(scsi_qla_host_t *vha) 4583{ 4584 struct qla_hw_data *ha = vha->hw; 4585 int no_entry_hdr = 0; 4586 qla82xx_md_entry_hdr_t *entry_hdr; 4587 struct qla82xx_md_template_hdr *tmplt_hdr; 4588 uint32_t *data_ptr; 4589 uint32_t total_data_size = 0, f_capture_mask, data_collected = 0; 4590 int i = 0, rval = QLA_FUNCTION_FAILED; 4591 4592 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; 4593 data_ptr = (uint32_t *)ha->md_dump; 4594 4595 if (ha->fw_dumped) { 4596 ql_log(ql_log_info, vha, 0xb037, 4597 "Firmware dump available to retrive\n"); 4598 goto md_failed; 4599 } 4600 4601 ha->fw_dumped = 0; 4602 4603 if (!ha->md_tmplt_hdr || !ha->md_dump) { 4604 ql_log(ql_log_warn, vha, 0xb038, 4605 "Memory not allocated for minidump capture\n"); 4606 goto md_failed; 4607 } 4608 4609 if (qla82xx_validate_template_chksum(vha)) { 4610 ql_log(ql_log_info, vha, 0xb039, 4611 "Template checksum validation error\n"); 4612 goto md_failed; 4613 } 4614 4615 no_entry_hdr = tmplt_hdr->num_of_entries; 4616 ql_dbg(ql_dbg_p3p, vha, 0xb03a, 4617 "No of entry headers in Template: 0x%x\n", no_entry_hdr); 4618 4619 ql_dbg(ql_dbg_p3p, vha, 0xb03b, 4620 "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level); 4621 4622 f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF; 4623 4624 /* Validate whether required debug level is set */ 4625 if ((f_capture_mask & 0x3) != 0x3) { 4626 ql_log(ql_log_warn, vha, 0xb03c, 4627 "Minimum required capture mask[0x%x] level not set\n", 4628 f_capture_mask); 4629 goto md_failed; 4630 } 4631 tmplt_hdr->driver_capture_mask = ql2xmdcapmask; 4632 4633 tmplt_hdr->driver_info[0] = vha->host_no; 4634 tmplt_hdr->driver_info[1] = (QLA_DRIVER_MAJOR_VER << 24) | 4635 (QLA_DRIVER_MINOR_VER << 16) | (QLA_DRIVER_PATCH_VER << 8) | 4636 QLA_DRIVER_BETA_VER; 4637 4638 total_data_size = ha->md_dump_size; 4639 4640 ql_dbg(ql_log_info, vha, 0xb03d, 4641 "Total minidump data_size 0x%x to be captured\n", total_data_size); 4642 4643 /* Check whether template obtained is valid */ 4644 if (tmplt_hdr->entry_type != QLA82XX_TLHDR) { 4645 ql_log(ql_log_warn, vha, 0xb04e, 4646 "Bad template header entry type: 0x%x obtained\n", 4647 tmplt_hdr->entry_type); 4648 goto md_failed; 4649 } 4650 4651 entry_hdr = (qla82xx_md_entry_hdr_t *) \ 4652 (((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset); 4653 4654 /* Walk through the entry headers */ 4655 for (i = 0; i < no_entry_hdr; i++) { 4656 4657 if (data_collected > total_data_size) { 4658 ql_log(ql_log_warn, vha, 0xb03e, 4659 "More MiniDump data collected: [0x%x]\n", 4660 data_collected); 4661 goto md_failed; 4662 } 4663 4664 if (!(entry_hdr->d_ctrl.entry_capture_mask & 4665 ql2xmdcapmask)) { 4666 entry_hdr->d_ctrl.driver_flags |= 4667 QLA82XX_DBG_SKIPPED_FLAG; 4668 ql_dbg(ql_dbg_p3p, vha, 0xb03f, 4669 "Skipping entry[%d]: " 4670 "ETYPE[0x%x]-ELEVEL[0x%x]\n", 4671 i, entry_hdr->entry_type, 4672 entry_hdr->d_ctrl.entry_capture_mask); 4673 goto skip_nxt_entry; 4674 } 4675 4676 ql_dbg(ql_dbg_p3p, vha, 0xb040, 4677 "[%s]: data ptr[%d]: %p, entry_hdr: %p\n" 4678 "entry_type: 0x%x, captrue_mask: 0x%x\n", 4679 __func__, i, data_ptr, entry_hdr, 4680 entry_hdr->entry_type, 4681 entry_hdr->d_ctrl.entry_capture_mask); 4682 4683 ql_dbg(ql_dbg_p3p, vha, 0xb041, 4684 "Data collected: [0x%x], Dump size left:[0x%x]\n", 4685 data_collected, (ha->md_dump_size - data_collected)); 4686 4687 /* Decode the entry type and take 4688 * required action to capture debug data */ 4689 switch (entry_hdr->entry_type) { 4690 case QLA82XX_RDEND: 4691 qla82xx_mark_entry_skipped(vha, entry_hdr, i); 4692 break; 4693 case QLA82XX_CNTRL: 4694 rval = qla82xx_minidump_process_control(vha, 4695 entry_hdr, &data_ptr); 4696 if (rval != QLA_SUCCESS) { 4697 qla82xx_mark_entry_skipped(vha, entry_hdr, i); 4698 goto md_failed; 4699 } 4700 break; 4701 case QLA82XX_RDCRB: 4702 qla82xx_minidump_process_rdcrb(vha, 4703 entry_hdr, &data_ptr); 4704 break; 4705 case QLA82XX_RDMEM: 4706 rval = qla82xx_minidump_process_rdmem(vha, 4707 entry_hdr, &data_ptr); 4708 if (rval != QLA_SUCCESS) { 4709 qla82xx_mark_entry_skipped(vha, entry_hdr, i); 4710 goto md_failed; 4711 } 4712 break; 4713 case QLA82XX_BOARD: 4714 case QLA82XX_RDROM: 4715 qla82xx_minidump_process_rdrom(vha, 4716 entry_hdr, &data_ptr); 4717 break; 4718 case QLA82XX_L2DTG: 4719 case QLA82XX_L2ITG: 4720 case QLA82XX_L2DAT: 4721 case QLA82XX_L2INS: 4722 rval = qla82xx_minidump_process_l2tag(vha, 4723 entry_hdr, &data_ptr); 4724 if (rval != QLA_SUCCESS) { 4725 qla82xx_mark_entry_skipped(vha, entry_hdr, i); 4726 goto md_failed; 4727 } 4728 break; 4729 case QLA82XX_L1DAT: 4730 case QLA82XX_L1INS: 4731 qla82xx_minidump_process_l1cache(vha, 4732 entry_hdr, &data_ptr); 4733 break; 4734 case QLA82XX_RDOCM: 4735 qla82xx_minidump_process_rdocm(vha, 4736 entry_hdr, &data_ptr); 4737 break; 4738 case QLA82XX_RDMUX: 4739 qla82xx_minidump_process_rdmux(vha, 4740 entry_hdr, &data_ptr); 4741 break; 4742 case QLA82XX_QUEUE: 4743 qla82xx_minidump_process_queue(vha, 4744 entry_hdr, &data_ptr); 4745 break; 4746 case QLA82XX_RDNOP: 4747 default: 4748 qla82xx_mark_entry_skipped(vha, entry_hdr, i); 4749 break; 4750 } 4751 4752 ql_dbg(ql_dbg_p3p, vha, 0xb042, 4753 "[%s]: data ptr[%d]: %p\n", __func__, i, data_ptr); 4754 4755 data_collected = (uint8_t *)data_ptr - 4756 (uint8_t *)ha->md_dump; 4757skip_nxt_entry: 4758 entry_hdr = (qla82xx_md_entry_hdr_t *) \ 4759 (((uint8_t *)entry_hdr) + entry_hdr->entry_size); 4760 } 4761 4762 if (data_collected != total_data_size) { 4763 ql_dbg(ql_log_warn, vha, 0xb043, 4764 "MiniDump data mismatch: Data collected: [0x%x]," 4765 "total_data_size:[0x%x]\n", 4766 data_collected, total_data_size); 4767 goto md_failed; 4768 } 4769 4770 ql_log(ql_log_info, vha, 0xb044, 4771 "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n", 4772 vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump); 4773 ha->fw_dumped = 1; 4774 qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP); 4775 4776md_failed: 4777 return rval; 4778} 4779 4780int 4781qla82xx_md_alloc(scsi_qla_host_t *vha) 4782{ 4783 struct qla_hw_data *ha = vha->hw; 4784 int i, k; 4785 struct qla82xx_md_template_hdr *tmplt_hdr; 4786 4787 tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; 4788 4789 if (ql2xmdcapmask < 0x3 || ql2xmdcapmask > 0x7F) { 4790 ql2xmdcapmask = tmplt_hdr->capture_debug_level & 0xFF; 4791 ql_log(ql_log_info, vha, 0xb045, 4792 "Forcing driver capture mask to firmware default capture mask: 0x%x.\n", 4793 ql2xmdcapmask); 4794 } 4795 4796 for (i = 0x2, k = 1; (i & QLA82XX_DEFAULT_CAP_MASK); i <<= 1, k++) { 4797 if (i & ql2xmdcapmask) 4798 ha->md_dump_size += tmplt_hdr->capture_size_array[k]; 4799 } 4800 4801 if (ha->md_dump) { 4802 ql_log(ql_log_warn, vha, 0xb046, 4803 "Firmware dump previously allocated.\n"); 4804 return 1; 4805 } 4806 4807 ha->md_dump = vmalloc(ha->md_dump_size); 4808 if (ha->md_dump == NULL) { 4809 ql_log(ql_log_warn, vha, 0xb047, 4810 "Unable to allocate memory for Minidump size " 4811 "(0x%x).\n", ha->md_dump_size); 4812 return 1; 4813 } 4814 return 0; 4815} 4816 4817void 4818qla82xx_md_free(scsi_qla_host_t *vha) 4819{ 4820 struct qla_hw_data *ha = vha->hw; 4821 4822 /* Release the template header allocated */ 4823 if (ha->md_tmplt_hdr) { 4824 ql_log(ql_log_info, vha, 0xb048, 4825 "Free MiniDump template: %p, size (%d KB)\n", 4826 ha->md_tmplt_hdr, ha->md_template_size / 1024); 4827 dma_free_coherent(&ha->pdev->dev, ha->md_template_size, 4828 ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma); 4829 ha->md_tmplt_hdr = 0; 4830 } 4831 4832 /* Release the template data buffer allocated */ 4833 if (ha->md_dump) { 4834 ql_log(ql_log_info, vha, 0xb049, 4835 "Free MiniDump memory: %p, size (%d KB)\n", 4836 ha->md_dump, ha->md_dump_size / 1024); 4837 vfree(ha->md_dump); 4838 ha->md_dump_size = 0; 4839 ha->md_dump = 0; 4840 } 4841} 4842 4843void 4844qla82xx_md_prep(scsi_qla_host_t *vha) 4845{ 4846 struct qla_hw_data *ha = vha->hw; 4847 int rval; 4848 4849 /* Get Minidump template size */ 4850 rval = qla82xx_md_get_template_size(vha); 4851 if (rval == QLA_SUCCESS) { 4852 ql_log(ql_log_info, vha, 0xb04a, 4853 "MiniDump Template size obtained (%d KB)\n", 4854 ha->md_template_size / 1024); 4855 4856 /* Get Minidump template */ 4857 rval = qla82xx_md_get_template(vha); 4858 if (rval == QLA_SUCCESS) { 4859 ql_dbg(ql_dbg_p3p, vha, 0xb04b, 4860 "MiniDump Template obtained\n"); 4861 4862 /* Allocate memory for minidump */ 4863 rval = qla82xx_md_alloc(vha); 4864 if (rval == QLA_SUCCESS) 4865 ql_log(ql_log_info, vha, 0xb04c, 4866 "MiniDump memory allocated (%d KB)\n", 4867 ha->md_dump_size / 1024); 4868 else { 4869 ql_log(ql_log_info, vha, 0xb04d, 4870 "Free MiniDump template: %p, size: (%d KB)\n", 4871 ha->md_tmplt_hdr, 4872 ha->md_template_size / 1024); 4873 dma_free_coherent(&ha->pdev->dev, 4874 ha->md_template_size, 4875 ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma); 4876 ha->md_tmplt_hdr = 0; 4877 } 4878 4879 } 4880 } 4881} 4882 4883int 4884qla82xx_beacon_on(struct scsi_qla_host *vha) 4885{ 4886 4887 int rval; 4888 struct qla_hw_data *ha = vha->hw; 4889 qla82xx_idc_lock(ha); 4890 rval = qla82xx_mbx_beacon_ctl(vha, 1); 4891 4892 if (rval) { 4893 ql_log(ql_log_warn, vha, 0xb050, 4894 "mbx set led config failed in %s\n", __func__); 4895 goto exit; 4896 } 4897 ha->beacon_blink_led = 1; 4898exit: 4899 qla82xx_idc_unlock(ha); 4900 return rval; 4901} 4902 4903int 4904qla82xx_beacon_off(struct scsi_qla_host *vha) 4905{ 4906 4907 int rval; 4908 struct qla_hw_data *ha = vha->hw; 4909 qla82xx_idc_lock(ha); 4910 rval = qla82xx_mbx_beacon_ctl(vha, 0); 4911 4912 if (rval) { 4913 ql_log(ql_log_warn, vha, 0xb051, 4914 "mbx set led config failed in %s\n", __func__); 4915 goto exit; 4916 } 4917 ha->beacon_blink_led = 0; 4918exit: 4919 qla82xx_idc_unlock(ha); 4920 return rval; 4921} 4922