linux/drivers/scsi/qla2xxx/qla_nx.c
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   1/*
   2 * QLogic Fibre Channel HBA Driver
   3 * Copyright (c)  2003-2014 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];
  39static int qla82xx_crb_table_initialized;
  40
  41#define qla82xx_crb_addr_transform(name) \
  42        (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \
  43        QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20)
  44
  45const int MD_MIU_TEST_AGT_RDDATA[] = {
  46        0x410000A8, 0x410000AC,
  47        0x410000B8, 0x410000BC
  48};
  49
  50static void qla82xx_crb_addr_transform_setup(void)
  51{
  52        qla82xx_crb_addr_transform(XDMA);
  53        qla82xx_crb_addr_transform(TIMR);
  54        qla82xx_crb_addr_transform(SRE);
  55        qla82xx_crb_addr_transform(SQN3);
  56        qla82xx_crb_addr_transform(SQN2);
  57        qla82xx_crb_addr_transform(SQN1);
  58        qla82xx_crb_addr_transform(SQN0);
  59        qla82xx_crb_addr_transform(SQS3);
  60        qla82xx_crb_addr_transform(SQS2);
  61        qla82xx_crb_addr_transform(SQS1);
  62        qla82xx_crb_addr_transform(SQS0);
  63        qla82xx_crb_addr_transform(RPMX7);
  64        qla82xx_crb_addr_transform(RPMX6);
  65        qla82xx_crb_addr_transform(RPMX5);
  66        qla82xx_crb_addr_transform(RPMX4);
  67        qla82xx_crb_addr_transform(RPMX3);
  68        qla82xx_crb_addr_transform(RPMX2);
  69        qla82xx_crb_addr_transform(RPMX1);
  70        qla82xx_crb_addr_transform(RPMX0);
  71        qla82xx_crb_addr_transform(ROMUSB);
  72        qla82xx_crb_addr_transform(SN);
  73        qla82xx_crb_addr_transform(QMN);
  74        qla82xx_crb_addr_transform(QMS);
  75        qla82xx_crb_addr_transform(PGNI);
  76        qla82xx_crb_addr_transform(PGND);
  77        qla82xx_crb_addr_transform(PGN3);
  78        qla82xx_crb_addr_transform(PGN2);
  79        qla82xx_crb_addr_transform(PGN1);
  80        qla82xx_crb_addr_transform(PGN0);
  81        qla82xx_crb_addr_transform(PGSI);
  82        qla82xx_crb_addr_transform(PGSD);
  83        qla82xx_crb_addr_transform(PGS3);
  84        qla82xx_crb_addr_transform(PGS2);
  85        qla82xx_crb_addr_transform(PGS1);
  86        qla82xx_crb_addr_transform(PGS0);
  87        qla82xx_crb_addr_transform(PS);
  88        qla82xx_crb_addr_transform(PH);
  89        qla82xx_crb_addr_transform(NIU);
  90        qla82xx_crb_addr_transform(I2Q);
  91        qla82xx_crb_addr_transform(EG);
  92        qla82xx_crb_addr_transform(MN);
  93        qla82xx_crb_addr_transform(MS);
  94        qla82xx_crb_addr_transform(CAS2);
  95        qla82xx_crb_addr_transform(CAS1);
  96        qla82xx_crb_addr_transform(CAS0);
  97        qla82xx_crb_addr_transform(CAM);
  98        qla82xx_crb_addr_transform(C2C1);
  99        qla82xx_crb_addr_transform(C2C0);
 100        qla82xx_crb_addr_transform(SMB);
 101        qla82xx_crb_addr_transform(OCM0);
 102        /*
 103         * Used only in P3 just define it for P2 also.
 104         */
 105        qla82xx_crb_addr_transform(I2C0);
 106
 107        qla82xx_crb_table_initialized = 1;
 108}
 109
 110static struct crb_128M_2M_block_map crb_128M_2M_map[64] = {
 111        {{{0, 0,         0,         0} } },
 112        {{{1, 0x0100000, 0x0102000, 0x120000},
 113        {1, 0x0110000, 0x0120000, 0x130000},
 114        {1, 0x0120000, 0x0122000, 0x124000},
 115        {1, 0x0130000, 0x0132000, 0x126000},
 116        {1, 0x0140000, 0x0142000, 0x128000},
 117        {1, 0x0150000, 0x0152000, 0x12a000},
 118        {1, 0x0160000, 0x0170000, 0x110000},
 119        {1, 0x0170000, 0x0172000, 0x12e000},
 120        {0, 0x0000000, 0x0000000, 0x000000},
 121        {0, 0x0000000, 0x0000000, 0x000000},
 122        {0, 0x0000000, 0x0000000, 0x000000},
 123        {0, 0x0000000, 0x0000000, 0x000000},
 124        {0, 0x0000000, 0x0000000, 0x000000},
 125        {0, 0x0000000, 0x0000000, 0x000000},
 126        {1, 0x01e0000, 0x01e0800, 0x122000},
 127        {0, 0x0000000, 0x0000000, 0x000000} } } ,
 128        {{{1, 0x0200000, 0x0210000, 0x180000} } },
 129        {{{0, 0,         0,         0} } },
 130        {{{1, 0x0400000, 0x0401000, 0x169000} } },
 131        {{{1, 0x0500000, 0x0510000, 0x140000} } },
 132        {{{1, 0x0600000, 0x0610000, 0x1c0000} } },
 133        {{{1, 0x0700000, 0x0704000, 0x1b8000} } },
 134        {{{1, 0x0800000, 0x0802000, 0x170000},
 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        {0, 0x0000000, 0x0000000, 0x000000},
 145        {0, 0x0000000, 0x0000000, 0x000000},
 146        {0, 0x0000000, 0x0000000, 0x000000},
 147        {0, 0x0000000, 0x0000000, 0x000000},
 148        {0, 0x0000000, 0x0000000, 0x000000},
 149        {1, 0x08f0000, 0x08f2000, 0x172000} } },
 150        {{{1, 0x0900000, 0x0902000, 0x174000},
 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        {0, 0x0000000, 0x0000000, 0x000000},
 161        {0, 0x0000000, 0x0000000, 0x000000},
 162        {0, 0x0000000, 0x0000000, 0x000000},
 163        {0, 0x0000000, 0x0000000, 0x000000},
 164        {0, 0x0000000, 0x0000000, 0x000000},
 165        {1, 0x09f0000, 0x09f2000, 0x176000} } },
 166        {{{0, 0x0a00000, 0x0a02000, 0x178000},
 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        {0, 0x0000000, 0x0000000, 0x000000},
 177        {0, 0x0000000, 0x0000000, 0x000000},
 178        {0, 0x0000000, 0x0000000, 0x000000},
 179        {0, 0x0000000, 0x0000000, 0x000000},
 180        {0, 0x0000000, 0x0000000, 0x000000},
 181        {1, 0x0af0000, 0x0af2000, 0x17a000} } },
 182        {{{0, 0x0b00000, 0x0b02000, 0x17c000},
 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        {0, 0x0000000, 0x0000000, 0x000000},
 193        {0, 0x0000000, 0x0000000, 0x000000},
 194        {0, 0x0000000, 0x0000000, 0x000000},
 195        {0, 0x0000000, 0x0000000, 0x000000},
 196        {0, 0x0000000, 0x0000000, 0x000000},
 197        {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
 198        {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },
 199        {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },
 200        {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },
 201        {{{1, 0x0f00000, 0x0f01000, 0x164000} } },
 202        {{{0, 0x1000000, 0x1004000, 0x1a8000} } },
 203        {{{1, 0x1100000, 0x1101000, 0x160000} } },
 204        {{{1, 0x1200000, 0x1201000, 0x161000} } },
 205        {{{1, 0x1300000, 0x1301000, 0x162000} } },
 206        {{{1, 0x1400000, 0x1401000, 0x163000} } },
 207        {{{1, 0x1500000, 0x1501000, 0x165000} } },
 208        {{{1, 0x1600000, 0x1601000, 0x166000} } },
 209        {{{0, 0,         0,         0} } },
 210        {{{0, 0,         0,         0} } },
 211        {{{0, 0,         0,         0} } },
 212        {{{0, 0,         0,         0} } },
 213        {{{0, 0,         0,         0} } },
 214        {{{0, 0,         0,         0} } },
 215        {{{1, 0x1d00000, 0x1d10000, 0x190000} } },
 216        {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },
 217        {{{1, 0x1f00000, 0x1f10000, 0x150000} } },
 218        {{{0} } },
 219        {{{1, 0x2100000, 0x2102000, 0x120000},
 220        {1, 0x2110000, 0x2120000, 0x130000},
 221        {1, 0x2120000, 0x2122000, 0x124000},
 222        {1, 0x2130000, 0x2132000, 0x126000},
 223        {1, 0x2140000, 0x2142000, 0x128000},
 224        {1, 0x2150000, 0x2152000, 0x12a000},
 225        {1, 0x2160000, 0x2170000, 0x110000},
 226        {1, 0x2170000, 0x2172000, 0x12e000},
 227        {0, 0x0000000, 0x0000000, 0x000000},
 228        {0, 0x0000000, 0x0000000, 0x000000},
 229        {0, 0x0000000, 0x0000000, 0x000000},
 230        {0, 0x0000000, 0x0000000, 0x000000},
 231        {0, 0x0000000, 0x0000000, 0x000000},
 232        {0, 0x0000000, 0x0000000, 0x000000},
 233        {0, 0x0000000, 0x0000000, 0x000000},
 234        {0, 0x0000000, 0x0000000, 0x000000} } },
 235        {{{1, 0x2200000, 0x2204000, 0x1b0000} } },
 236        {{{0} } },
 237        {{{0} } },
 238        {{{0} } },
 239        {{{0} } },
 240        {{{0} } },
 241        {{{1, 0x2800000, 0x2804000, 0x1a4000} } },
 242        {{{1, 0x2900000, 0x2901000, 0x16b000} } },
 243        {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },
 244        {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },
 245        {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },
 246        {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },
 247        {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },
 248        {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },
 249        {{{1, 0x3000000, 0x3000400, 0x1adc00} } },
 250        {{{0, 0x3100000, 0x3104000, 0x1a8000} } },
 251        {{{1, 0x3200000, 0x3204000, 0x1d4000} } },
 252        {{{1, 0x3300000, 0x3304000, 0x1a0000} } },
 253        {{{0} } },
 254        {{{1, 0x3500000, 0x3500400, 0x1ac000} } },
 255        {{{1, 0x3600000, 0x3600400, 0x1ae000} } },
 256        {{{1, 0x3700000, 0x3700400, 0x1ae400} } },
 257        {{{1, 0x3800000, 0x3804000, 0x1d0000} } },
 258        {{{1, 0x3900000, 0x3904000, 0x1b4000} } },
 259        {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },
 260        {{{0} } },
 261        {{{0} } },
 262        {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } },
 263        {{{1, 0x3e00000, 0x3e01000, 0x167000} } },
 264        {{{1, 0x3f00000, 0x3f01000, 0x168000} } }
 265};
 266
 267/*
 268 * top 12 bits of crb internal address (hub, agent)
 269 */
 270static unsigned qla82xx_crb_hub_agt[64] = {
 271        0,
 272        QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
 273        QLA82XX_HW_CRB_HUB_AGT_ADR_MN,
 274        QLA82XX_HW_CRB_HUB_AGT_ADR_MS,
 275        0,
 276        QLA82XX_HW_CRB_HUB_AGT_ADR_SRE,
 277        QLA82XX_HW_CRB_HUB_AGT_ADR_NIU,
 278        QLA82XX_HW_CRB_HUB_AGT_ADR_QMN,
 279        QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0,
 280        QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1,
 281        QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2,
 282        QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3,
 283        QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
 284        QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
 285        QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
 286        QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4,
 287        QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
 288        QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0,
 289        QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1,
 290        QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2,
 291        QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3,
 292        QLA82XX_HW_CRB_HUB_AGT_ADR_PGND,
 293        QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI,
 294        QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0,
 295        QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1,
 296        QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2,
 297        QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3,
 298        0,
 299        QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI,
 300        QLA82XX_HW_CRB_HUB_AGT_ADR_SN,
 301        0,
 302        QLA82XX_HW_CRB_HUB_AGT_ADR_EG,
 303        0,
 304        QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
 305        QLA82XX_HW_CRB_HUB_AGT_ADR_CAM,
 306        0,
 307        0,
 308        0,
 309        0,
 310        0,
 311        QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
 312        0,
 313        QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1,
 314        QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2,
 315        QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3,
 316        QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4,
 317        QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5,
 318        QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6,
 319        QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7,
 320        QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
 321        QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
 322        QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
 323        0,
 324        QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0,
 325        QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8,
 326        QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9,
 327        QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0,
 328        0,
 329        QLA82XX_HW_CRB_HUB_AGT_ADR_SMB,
 330        QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0,
 331        QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1,
 332        0,
 333        QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC,
 334        0,
 335};
 336
 337/* Device states */
 338static char *q_dev_state[] = {
 339         "Unknown",
 340        "Cold",
 341        "Initializing",
 342        "Ready",
 343        "Need Reset",
 344        "Need Quiescent",
 345        "Failed",
 346        "Quiescent",
 347};
 348
 349char *qdev_state(uint32_t dev_state)
 350{
 351        return q_dev_state[dev_state];
 352}
 353
 354/*
 355 * In: 'off_in' is offset from CRB space in 128M pci map
 356 * Out: 'off_out' is 2M pci map addr
 357 * side effect: lock crb window
 358 */
 359static void
 360qla82xx_pci_set_crbwindow_2M(struct qla_hw_data *ha, ulong off_in,
 361                             void __iomem **off_out)
 362{
 363        u32 win_read;
 364        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 365
 366        ha->crb_win = CRB_HI(off_in);
 367        writel(ha->crb_win, CRB_WINDOW_2M + ha->nx_pcibase);
 368
 369        /* Read back value to make sure write has gone through before trying
 370         * to use it.
 371         */
 372        win_read = RD_REG_DWORD(CRB_WINDOW_2M + ha->nx_pcibase);
 373        if (win_read != ha->crb_win) {
 374                ql_dbg(ql_dbg_p3p, vha, 0xb000,
 375                    "%s: Written crbwin (0x%x) "
 376                    "!= Read crbwin (0x%x), off=0x%lx.\n",
 377                    __func__, ha->crb_win, win_read, off_in);
 378        }
 379        *off_out = (off_in & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase;
 380}
 381
 382static inline unsigned long
 383qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off)
 384{
 385        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 386        /* See if we are currently pointing to the region we want to use next */
 387        if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_DDR_NET)) {
 388                /* No need to change window. PCIX and PCIEregs are in both
 389                 * regs are in both windows.
 390                 */
 391                return off;
 392        }
 393
 394        if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_PCIX_HOST2)) {
 395                /* We are in first CRB window */
 396                if (ha->curr_window != 0)
 397                        WARN_ON(1);
 398                return off;
 399        }
 400
 401        if ((off > QLA82XX_CRB_PCIX_HOST2) && (off < QLA82XX_CRB_MAX)) {
 402                /* We are in second CRB window */
 403                off = off - QLA82XX_CRB_PCIX_HOST2 + QLA82XX_CRB_PCIX_HOST;
 404
 405                if (ha->curr_window != 1)
 406                        return off;
 407
 408                /* We are in the QM or direct access
 409                 * register region - do nothing
 410                 */
 411                if ((off >= QLA82XX_PCI_DIRECT_CRB) &&
 412                        (off < QLA82XX_PCI_CAMQM_MAX))
 413                        return off;
 414        }
 415        /* strange address given */
 416        ql_dbg(ql_dbg_p3p, vha, 0xb001,
 417            "%s: Warning: unm_nic_pci_set_crbwindow "
 418            "called with an unknown address(%llx).\n",
 419            QLA2XXX_DRIVER_NAME, off);
 420        return off;
 421}
 422
 423static int
 424qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong off_in,
 425                            void __iomem **off_out)
 426{
 427        struct crb_128M_2M_sub_block_map *m;
 428
 429        if (off_in >= QLA82XX_CRB_MAX)
 430                return -1;
 431
 432        if (off_in >= QLA82XX_PCI_CAMQM && off_in < QLA82XX_PCI_CAMQM_2M_END) {
 433                *off_out = (off_in - QLA82XX_PCI_CAMQM) +
 434                    QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase;
 435                return 0;
 436        }
 437
 438        if (off_in < QLA82XX_PCI_CRBSPACE)
 439                return -1;
 440
 441        off_in -= QLA82XX_PCI_CRBSPACE;
 442
 443        /* Try direct map */
 444        m = &crb_128M_2M_map[CRB_BLK(off_in)].sub_block[CRB_SUBBLK(off_in)];
 445
 446        if (m->valid && (m->start_128M <= off_in) && (m->end_128M > off_in)) {
 447                *off_out = off_in + m->start_2M - m->start_128M + ha->nx_pcibase;
 448                return 0;
 449        }
 450        /* Not in direct map, use crb window */
 451        *off_out = (void __iomem *)off_in;
 452        return 1;
 453}
 454
 455#define CRB_WIN_LOCK_TIMEOUT 100000000
 456static int qla82xx_crb_win_lock(struct qla_hw_data *ha)
 457{
 458        int done = 0, timeout = 0;
 459
 460        while (!done) {
 461                /* acquire semaphore3 from PCI HW block */
 462                done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK));
 463                if (done == 1)
 464                        break;
 465                if (timeout >= CRB_WIN_LOCK_TIMEOUT)
 466                        return -1;
 467                timeout++;
 468        }
 469        qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->portnum);
 470        return 0;
 471}
 472
 473int
 474qla82xx_wr_32(struct qla_hw_data *ha, ulong off_in, u32 data)
 475{
 476        void __iomem *off;
 477        unsigned long flags = 0;
 478        int rv;
 479
 480        rv = qla82xx_pci_get_crb_addr_2M(ha, off_in, &off);
 481
 482        BUG_ON(rv == -1);
 483
 484        if (rv == 1) {
 485#ifndef __CHECKER__
 486                write_lock_irqsave(&ha->hw_lock, flags);
 487#endif
 488                qla82xx_crb_win_lock(ha);
 489                qla82xx_pci_set_crbwindow_2M(ha, off_in, &off);
 490        }
 491
 492        writel(data, (void __iomem *)off);
 493
 494        if (rv == 1) {
 495                qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
 496#ifndef __CHECKER__
 497                write_unlock_irqrestore(&ha->hw_lock, flags);
 498#endif
 499        }
 500        return 0;
 501}
 502
 503int
 504qla82xx_rd_32(struct qla_hw_data *ha, ulong off_in)
 505{
 506        void __iomem *off;
 507        unsigned long flags = 0;
 508        int rv;
 509        u32 data;
 510
 511        rv = qla82xx_pci_get_crb_addr_2M(ha, off_in, &off);
 512
 513        BUG_ON(rv == -1);
 514
 515        if (rv == 1) {
 516#ifndef __CHECKER__
 517                write_lock_irqsave(&ha->hw_lock, flags);
 518#endif
 519                qla82xx_crb_win_lock(ha);
 520                qla82xx_pci_set_crbwindow_2M(ha, off_in, &off);
 521        }
 522        data = RD_REG_DWORD(off);
 523
 524        if (rv == 1) {
 525                qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
 526#ifndef __CHECKER__
 527                write_unlock_irqrestore(&ha->hw_lock, flags);
 528#endif
 529        }
 530        return data;
 531}
 532
 533#define IDC_LOCK_TIMEOUT 100000000
 534int qla82xx_idc_lock(struct qla_hw_data *ha)
 535{
 536        int i;
 537        int done = 0, timeout = 0;
 538
 539        while (!done) {
 540                /* acquire semaphore5 from PCI HW block */
 541                done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK));
 542                if (done == 1)
 543                        break;
 544                if (timeout >= IDC_LOCK_TIMEOUT)
 545                        return -1;
 546
 547                timeout++;
 548
 549                /* Yield CPU */
 550                if (!in_interrupt())
 551                        schedule();
 552                else {
 553                        for (i = 0; i < 20; i++)
 554                                cpu_relax();
 555                }
 556        }
 557
 558        return 0;
 559}
 560
 561void qla82xx_idc_unlock(struct qla_hw_data *ha)
 562{
 563        qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK));
 564}
 565
 566/*
 567 * check memory access boundary.
 568 * used by test agent. support ddr access only for now
 569 */
 570static unsigned long
 571qla82xx_pci_mem_bound_check(struct qla_hw_data *ha,
 572        unsigned long long addr, int size)
 573{
 574        if (!addr_in_range(addr, QLA82XX_ADDR_DDR_NET,
 575                QLA82XX_ADDR_DDR_NET_MAX) ||
 576                !addr_in_range(addr + size - 1, QLA82XX_ADDR_DDR_NET,
 577                QLA82XX_ADDR_DDR_NET_MAX) ||
 578                ((size != 1) && (size != 2) && (size != 4) && (size != 8)))
 579                        return 0;
 580        else
 581                return 1;
 582}
 583
 584static int qla82xx_pci_set_window_warning_count;
 585
 586static unsigned long
 587qla82xx_pci_set_window(struct qla_hw_data *ha, unsigned long long addr)
 588{
 589        int window;
 590        u32 win_read;
 591        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 592
 593        if (addr_in_range(addr, QLA82XX_ADDR_DDR_NET,
 594                QLA82XX_ADDR_DDR_NET_MAX)) {
 595                /* DDR network side */
 596                window = MN_WIN(addr);
 597                ha->ddr_mn_window = window;
 598                qla82xx_wr_32(ha,
 599                        ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
 600                win_read = qla82xx_rd_32(ha,
 601                        ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
 602                if ((win_read << 17) != window) {
 603                        ql_dbg(ql_dbg_p3p, vha, 0xb003,
 604                            "%s: Written MNwin (0x%x) != Read MNwin (0x%x).\n",
 605                            __func__, window, win_read);
 606                }
 607                addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET;
 608        } else if (addr_in_range(addr, QLA82XX_ADDR_OCM0,
 609                QLA82XX_ADDR_OCM0_MAX)) {
 610                unsigned int temp1;
 611                if ((addr & 0x00ff800) == 0xff800) {
 612                        ql_log(ql_log_warn, vha, 0xb004,
 613                            "%s: QM access not handled.\n", __func__);
 614                        addr = -1UL;
 615                }
 616                window = OCM_WIN(addr);
 617                ha->ddr_mn_window = window;
 618                qla82xx_wr_32(ha,
 619                        ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
 620                win_read = qla82xx_rd_32(ha,
 621                        ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
 622                temp1 = ((window & 0x1FF) << 7) |
 623                    ((window & 0x0FFFE0000) >> 17);
 624                if (win_read != temp1) {
 625                        ql_log(ql_log_warn, vha, 0xb005,
 626                            "%s: Written OCMwin (0x%x) != Read OCMwin (0x%x).\n",
 627                            __func__, temp1, win_read);
 628                }
 629                addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M;
 630
 631        } else if (addr_in_range(addr, QLA82XX_ADDR_QDR_NET,
 632                QLA82XX_P3_ADDR_QDR_NET_MAX)) {
 633                /* QDR network side */
 634                window = MS_WIN(addr);
 635                ha->qdr_sn_window = window;
 636                qla82xx_wr_32(ha,
 637                        ha->ms_win_crb | QLA82XX_PCI_CRBSPACE, window);
 638                win_read = qla82xx_rd_32(ha,
 639                        ha->ms_win_crb | QLA82XX_PCI_CRBSPACE);
 640                if (win_read != window) {
 641                        ql_log(ql_log_warn, vha, 0xb006,
 642                            "%s: Written MSwin (0x%x) != Read MSwin (0x%x).\n",
 643                            __func__, window, win_read);
 644                }
 645                addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET;
 646        } else {
 647                /*
 648                 * peg gdb frequently accesses memory that doesn't exist,
 649                 * this limits the chit chat so debugging isn't slowed down.
 650                 */
 651                if ((qla82xx_pci_set_window_warning_count++ < 8) ||
 652                    (qla82xx_pci_set_window_warning_count%64 == 0)) {
 653                        ql_log(ql_log_warn, vha, 0xb007,
 654                            "%s: Warning:%s Unknown address range!.\n",
 655                            __func__, QLA2XXX_DRIVER_NAME);
 656                }
 657                addr = -1UL;
 658        }
 659        return addr;
 660}
 661
 662/* check if address is in the same windows as the previous access */
 663static int qla82xx_pci_is_same_window(struct qla_hw_data *ha,
 664        unsigned long long addr)
 665{
 666        int                     window;
 667        unsigned long long      qdr_max;
 668
 669        qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX;
 670
 671        /* DDR network side */
 672        if (addr_in_range(addr, QLA82XX_ADDR_DDR_NET,
 673                QLA82XX_ADDR_DDR_NET_MAX))
 674                BUG();
 675        else if (addr_in_range(addr, QLA82XX_ADDR_OCM0,
 676                QLA82XX_ADDR_OCM0_MAX))
 677                return 1;
 678        else if (addr_in_range(addr, QLA82XX_ADDR_OCM1,
 679                QLA82XX_ADDR_OCM1_MAX))
 680                return 1;
 681        else if (addr_in_range(addr, QLA82XX_ADDR_QDR_NET, qdr_max)) {
 682                /* QDR network side */
 683                window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f;
 684                if (ha->qdr_sn_window == window)
 685                        return 1;
 686        }
 687        return 0;
 688}
 689
 690static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha,
 691        u64 off, void *data, int size)
 692{
 693        unsigned long   flags;
 694        void __iomem *addr = NULL;
 695        int             ret = 0;
 696        u64             start;
 697        uint8_t __iomem  *mem_ptr = NULL;
 698        unsigned long   mem_base;
 699        unsigned long   mem_page;
 700        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 701
 702        write_lock_irqsave(&ha->hw_lock, flags);
 703
 704        /*
 705         * If attempting to access unknown address or straddle hw windows,
 706         * do not access.
 707         */
 708        start = qla82xx_pci_set_window(ha, off);
 709        if ((start == -1UL) ||
 710                (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
 711                write_unlock_irqrestore(&ha->hw_lock, flags);
 712                ql_log(ql_log_fatal, vha, 0xb008,
 713                    "%s out of bound pci memory "
 714                    "access, offset is 0x%llx.\n",
 715                    QLA2XXX_DRIVER_NAME, off);
 716                return -1;
 717        }
 718
 719        write_unlock_irqrestore(&ha->hw_lock, flags);
 720        mem_base = pci_resource_start(ha->pdev, 0);
 721        mem_page = start & PAGE_MASK;
 722        /* Map two pages whenever user tries to access addresses in two
 723        * consecutive pages.
 724        */
 725        if (mem_page != ((start + size - 1) & PAGE_MASK))
 726                mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
 727        else
 728                mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
 729        if (mem_ptr == NULL) {
 730                *(u8  *)data = 0;
 731                return -1;
 732        }
 733        addr = mem_ptr;
 734        addr += start & (PAGE_SIZE - 1);
 735        write_lock_irqsave(&ha->hw_lock, flags);
 736
 737        switch (size) {
 738        case 1:
 739                *(u8  *)data = readb(addr);
 740                break;
 741        case 2:
 742                *(u16 *)data = readw(addr);
 743                break;
 744        case 4:
 745                *(u32 *)data = readl(addr);
 746                break;
 747        case 8:
 748                *(u64 *)data = readq(addr);
 749                break;
 750        default:
 751                ret = -1;
 752                break;
 753        }
 754        write_unlock_irqrestore(&ha->hw_lock, flags);
 755
 756        if (mem_ptr)
 757                iounmap(mem_ptr);
 758        return ret;
 759}
 760
 761static int
 762qla82xx_pci_mem_write_direct(struct qla_hw_data *ha,
 763        u64 off, void *data, int size)
 764{
 765        unsigned long   flags;
 766        void  __iomem *addr = NULL;
 767        int             ret = 0;
 768        u64             start;
 769        uint8_t __iomem *mem_ptr = NULL;
 770        unsigned long   mem_base;
 771        unsigned long   mem_page;
 772        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 773
 774        write_lock_irqsave(&ha->hw_lock, flags);
 775
 776        /*
 777         * If attempting to access unknown address or straddle hw windows,
 778         * do not access.
 779         */
 780        start = qla82xx_pci_set_window(ha, off);
 781        if ((start == -1UL) ||
 782                (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
 783                write_unlock_irqrestore(&ha->hw_lock, flags);
 784                ql_log(ql_log_fatal, vha, 0xb009,
 785                    "%s out of bound memory "
 786                    "access, offset is 0x%llx.\n",
 787                    QLA2XXX_DRIVER_NAME, off);
 788                return -1;
 789        }
 790
 791        write_unlock_irqrestore(&ha->hw_lock, flags);
 792        mem_base = pci_resource_start(ha->pdev, 0);
 793        mem_page = start & PAGE_MASK;
 794        /* Map two pages whenever user tries to access addresses in two
 795         * consecutive pages.
 796         */
 797        if (mem_page != ((start + size - 1) & PAGE_MASK))
 798                mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
 799        else
 800                mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
 801        if (mem_ptr == NULL)
 802                return -1;
 803
 804        addr = mem_ptr;
 805        addr += start & (PAGE_SIZE - 1);
 806        write_lock_irqsave(&ha->hw_lock, flags);
 807
 808        switch (size) {
 809        case 1:
 810                writeb(*(u8  *)data, addr);
 811                break;
 812        case 2:
 813                writew(*(u16 *)data, addr);
 814                break;
 815        case 4:
 816                writel(*(u32 *)data, addr);
 817                break;
 818        case 8:
 819                writeq(*(u64 *)data, addr);
 820                break;
 821        default:
 822                ret = -1;
 823                break;
 824        }
 825        write_unlock_irqrestore(&ha->hw_lock, flags);
 826        if (mem_ptr)
 827                iounmap(mem_ptr);
 828        return ret;
 829}
 830
 831#define MTU_FUDGE_FACTOR 100
 832static unsigned long
 833qla82xx_decode_crb_addr(unsigned long addr)
 834{
 835        int i;
 836        unsigned long base_addr, offset, pci_base;
 837
 838        if (!qla82xx_crb_table_initialized)
 839                qla82xx_crb_addr_transform_setup();
 840
 841        pci_base = ADDR_ERROR;
 842        base_addr = addr & 0xfff00000;
 843        offset = addr & 0x000fffff;
 844
 845        for (i = 0; i < MAX_CRB_XFORM; i++) {
 846                if (crb_addr_xform[i] == base_addr) {
 847                        pci_base = i << 20;
 848                        break;
 849                }
 850        }
 851        if (pci_base == ADDR_ERROR)
 852                return pci_base;
 853        return pci_base + offset;
 854}
 855
 856static long rom_max_timeout = 100;
 857static long qla82xx_rom_lock_timeout = 100;
 858
 859static int
 860qla82xx_rom_lock(struct qla_hw_data *ha)
 861{
 862        int done = 0, timeout = 0;
 863        uint32_t lock_owner = 0;
 864        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 865
 866        while (!done) {
 867                /* acquire semaphore2 from PCI HW block */
 868                done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
 869                if (done == 1)
 870                        break;
 871                if (timeout >= qla82xx_rom_lock_timeout) {
 872                        lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
 873                        ql_dbg(ql_dbg_p3p, vha, 0xb157,
 874                            "%s: Simultaneous flash access by following ports, active port = %d: accessing port = %d",
 875                            __func__, ha->portnum, lock_owner);
 876                        return -1;
 877                }
 878                timeout++;
 879        }
 880        qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ha->portnum);
 881        return 0;
 882}
 883
 884static void
 885qla82xx_rom_unlock(struct qla_hw_data *ha)
 886{
 887        qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, 0xffffffff);
 888        qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
 889}
 890
 891static int
 892qla82xx_wait_rom_busy(struct qla_hw_data *ha)
 893{
 894        long timeout = 0;
 895        long done = 0 ;
 896        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 897
 898        while (done == 0) {
 899                done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
 900                done &= 4;
 901                timeout++;
 902                if (timeout >= rom_max_timeout) {
 903                        ql_dbg(ql_dbg_p3p, vha, 0xb00a,
 904                            "%s: Timeout reached waiting for rom busy.\n",
 905                            QLA2XXX_DRIVER_NAME);
 906                        return -1;
 907                }
 908        }
 909        return 0;
 910}
 911
 912static int
 913qla82xx_wait_rom_done(struct qla_hw_data *ha)
 914{
 915        long timeout = 0;
 916        long done = 0 ;
 917        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 918
 919        while (done == 0) {
 920                done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
 921                done &= 2;
 922                timeout++;
 923                if (timeout >= rom_max_timeout) {
 924                        ql_dbg(ql_dbg_p3p, vha, 0xb00b,
 925                            "%s: Timeout reached waiting for rom done.\n",
 926                            QLA2XXX_DRIVER_NAME);
 927                        return -1;
 928                }
 929        }
 930        return 0;
 931}
 932
 933static int
 934qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag)
 935{
 936        uint32_t  off_value, rval = 0;
 937
 938        WRT_REG_DWORD(CRB_WINDOW_2M + ha->nx_pcibase, off & 0xFFFF0000);
 939
 940        /* Read back value to make sure write has gone through */
 941        RD_REG_DWORD(CRB_WINDOW_2M + ha->nx_pcibase);
 942        off_value  = (off & 0x0000FFFF);
 943
 944        if (flag)
 945                WRT_REG_DWORD(off_value + CRB_INDIRECT_2M + ha->nx_pcibase,
 946                              data);
 947        else
 948                rval = RD_REG_DWORD(off_value + CRB_INDIRECT_2M +
 949                                    ha->nx_pcibase);
 950
 951        return rval;
 952}
 953
 954static int
 955qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
 956{
 957        /* Dword reads to flash. */
 958        qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW, (addr & 0xFFFF0000), 1);
 959        *valp = qla82xx_md_rw_32(ha, MD_DIRECT_ROM_READ_BASE +
 960            (addr & 0x0000FFFF), 0, 0);
 961
 962        return 0;
 963}
 964
 965static int
 966qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
 967{
 968        int ret, loops = 0;
 969        uint32_t lock_owner = 0;
 970        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 971
 972        while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
 973                udelay(100);
 974                schedule();
 975                loops++;
 976        }
 977        if (loops >= 50000) {
 978                lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
 979                ql_log(ql_log_fatal, vha, 0x00b9,
 980                    "Failed to acquire SEM2 lock, Lock Owner %u.\n",
 981                    lock_owner);
 982                return -1;
 983        }
 984        ret = qla82xx_do_rom_fast_read(ha, addr, valp);
 985        qla82xx_rom_unlock(ha);
 986        return ret;
 987}
 988
 989static int
 990qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val)
 991{
 992        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 993        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_RDSR);
 994        qla82xx_wait_rom_busy(ha);
 995        if (qla82xx_wait_rom_done(ha)) {
 996                ql_log(ql_log_warn, vha, 0xb00c,
 997                    "Error waiting for rom done.\n");
 998                return -1;
 999        }
1000        *val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
1001        return 0;
1002}
1003
1004static int
1005qla82xx_flash_wait_write_finish(struct qla_hw_data *ha)
1006{
1007        long timeout = 0;
1008        uint32_t done = 1 ;
1009        uint32_t val;
1010        int ret = 0;
1011        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1012
1013        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
1014        while ((done != 0) && (ret == 0)) {
1015                ret = qla82xx_read_status_reg(ha, &val);
1016                done = val & 1;
1017                timeout++;
1018                udelay(10);
1019                cond_resched();
1020                if (timeout >= 50000) {
1021                        ql_log(ql_log_warn, vha, 0xb00d,
1022                            "Timeout reached waiting for write finish.\n");
1023                        return -1;
1024                }
1025        }
1026        return ret;
1027}
1028
1029static int
1030qla82xx_flash_set_write_enable(struct qla_hw_data *ha)
1031{
1032        uint32_t val;
1033        qla82xx_wait_rom_busy(ha);
1034        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
1035        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WREN);
1036        qla82xx_wait_rom_busy(ha);
1037        if (qla82xx_wait_rom_done(ha))
1038                return -1;
1039        if (qla82xx_read_status_reg(ha, &val) != 0)
1040                return -1;
1041        if ((val & 2) != 2)
1042                return -1;
1043        return 0;
1044}
1045
1046static int
1047qla82xx_write_status_reg(struct qla_hw_data *ha, uint32_t val)
1048{
1049        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1050        if (qla82xx_flash_set_write_enable(ha))
1051                return -1;
1052        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, val);
1053        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0x1);
1054        if (qla82xx_wait_rom_done(ha)) {
1055                ql_log(ql_log_warn, vha, 0xb00e,
1056                    "Error waiting for rom done.\n");
1057                return -1;
1058        }
1059        return qla82xx_flash_wait_write_finish(ha);
1060}
1061
1062static int
1063qla82xx_write_disable_flash(struct qla_hw_data *ha)
1064{
1065        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1066        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WRDI);
1067        if (qla82xx_wait_rom_done(ha)) {
1068                ql_log(ql_log_warn, vha, 0xb00f,
1069                    "Error waiting for rom done.\n");
1070                return -1;
1071        }
1072        return 0;
1073}
1074
1075static int
1076ql82xx_rom_lock_d(struct qla_hw_data *ha)
1077{
1078        int loops = 0;
1079        uint32_t lock_owner = 0;
1080        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1081
1082        while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
1083                udelay(100);
1084                cond_resched();
1085                loops++;
1086        }
1087        if (loops >= 50000) {
1088                lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
1089                ql_log(ql_log_warn, vha, 0xb010,
1090                    "ROM lock failed, Lock Owner %u.\n", lock_owner);
1091                return -1;
1092        }
1093        return 0;
1094}
1095
1096static int
1097qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr,
1098        uint32_t data)
1099{
1100        int ret = 0;
1101        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1102
1103        ret = ql82xx_rom_lock_d(ha);
1104        if (ret < 0) {
1105                ql_log(ql_log_warn, vha, 0xb011,
1106                    "ROM lock failed.\n");
1107                return ret;
1108        }
1109
1110        if (qla82xx_flash_set_write_enable(ha))
1111                goto done_write;
1112
1113        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data);
1114        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, flashaddr);
1115        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
1116        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_PP);
1117        qla82xx_wait_rom_busy(ha);
1118        if (qla82xx_wait_rom_done(ha)) {
1119                ql_log(ql_log_warn, vha, 0xb012,
1120                    "Error waiting for rom done.\n");
1121                ret = -1;
1122                goto done_write;
1123        }
1124
1125        ret = qla82xx_flash_wait_write_finish(ha);
1126
1127done_write:
1128        qla82xx_rom_unlock(ha);
1129        return ret;
1130}
1131
1132/* This routine does CRB initialize sequence
1133 *  to put the ISP into operational state
1134 */
1135static int
1136qla82xx_pinit_from_rom(scsi_qla_host_t *vha)
1137{
1138        int addr, val;
1139        int i ;
1140        struct crb_addr_pair *buf;
1141        unsigned long off;
1142        unsigned offset, n;
1143        struct qla_hw_data *ha = vha->hw;
1144
1145        struct crb_addr_pair {
1146                long addr;
1147                long data;
1148        };
1149
1150        /* Halt all the individual PEGs and other blocks of the ISP */
1151        qla82xx_rom_lock(ha);
1152
1153        /* disable all I2Q */
1154        qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x10, 0x0);
1155        qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x14, 0x0);
1156        qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x18, 0x0);
1157        qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x1c, 0x0);
1158        qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x20, 0x0);
1159        qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x24, 0x0);
1160
1161        /* disable all niu interrupts */
1162        qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff);
1163        /* disable xge rx/tx */
1164        qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00);
1165        /* disable xg1 rx/tx */
1166        qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00);
1167        /* disable sideband mac */
1168        qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x90000, 0x00);
1169        /* disable ap0 mac */
1170        qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xa0000, 0x00);
1171        /* disable ap1 mac */
1172        qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xb0000, 0x00);
1173
1174        /* halt sre */
1175        val = qla82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000);
1176        qla82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1)));
1177
1178        /* halt epg */
1179        qla82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1);
1180
1181        /* halt timers */
1182        qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0);
1183        qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0);
1184        qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0);
1185        qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0);
1186        qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0);
1187        qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x200, 0x0);
1188
1189        /* halt pegs */
1190        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1);
1191        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1);
1192        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1);
1193        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1);
1194        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1);
1195        msleep(20);
1196
1197        /* big hammer */
1198        if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
1199                /* don't reset CAM block on reset */
1200                qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
1201        else
1202                qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
1203        qla82xx_rom_unlock(ha);
1204
1205        /* Read the signature value from the flash.
1206         * Offset 0: Contain signature (0xcafecafe)
1207         * Offset 4: Offset and number of addr/value pairs
1208         * that present in CRB initialize sequence
1209         */
1210        if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL ||
1211            qla82xx_rom_fast_read(ha, 4, &n) != 0) {
1212                ql_log(ql_log_fatal, vha, 0x006e,
1213                    "Error Reading crb_init area: n: %08x.\n", n);
1214                return -1;
1215        }
1216
1217        /* Offset in flash = lower 16 bits
1218         * Number of entries = upper 16 bits
1219         */
1220        offset = n & 0xffffU;
1221        n = (n >> 16) & 0xffffU;
1222
1223        /* number of addr/value pair should not exceed 1024 entries */
1224        if (n  >= 1024) {
1225                ql_log(ql_log_fatal, vha, 0x0071,
1226                    "Card flash not initialized:n=0x%x.\n", n);
1227                return -1;
1228        }
1229
1230        ql_log(ql_log_info, vha, 0x0072,
1231            "%d CRB init values found in ROM.\n", n);
1232
1233        buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL);
1234        if (buf == NULL) {
1235                ql_log(ql_log_fatal, vha, 0x010c,
1236                    "Unable to allocate memory.\n");
1237                return -ENOMEM;
1238        }
1239
1240        for (i = 0; i < n; i++) {
1241                if (qla82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 ||
1242                    qla82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 0) {
1243                        kfree(buf);
1244                        return -1;
1245                }
1246
1247                buf[i].addr = addr;
1248                buf[i].data = val;
1249        }
1250
1251        for (i = 0; i < n; i++) {
1252                /* Translate internal CRB initialization
1253                 * address to PCI bus address
1254                 */
1255                off = qla82xx_decode_crb_addr((unsigned long)buf[i].addr) +
1256                    QLA82XX_PCI_CRBSPACE;
1257                /* Not all CRB  addr/value pair to be written,
1258                 * some of them are skipped
1259                 */
1260
1261                /* skipping cold reboot MAGIC */
1262                if (off == QLA82XX_CAM_RAM(0x1fc))
1263                        continue;
1264
1265                /* do not reset PCI */
1266                if (off == (ROMUSB_GLB + 0xbc))
1267                        continue;
1268
1269                /* skip core clock, so that firmware can increase the clock */
1270                if (off == (ROMUSB_GLB + 0xc8))
1271                        continue;
1272
1273                /* skip the function enable register */
1274                if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION))
1275                        continue;
1276
1277                if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2))
1278                        continue;
1279
1280                if ((off & 0x0ff00000) == QLA82XX_CRB_SMB)
1281                        continue;
1282
1283                if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET)
1284                        continue;
1285
1286                if (off == ADDR_ERROR) {
1287                        ql_log(ql_log_fatal, vha, 0x0116,
1288                            "Unknown addr: 0x%08lx.\n", buf[i].addr);
1289                        continue;
1290                }
1291
1292                qla82xx_wr_32(ha, off, buf[i].data);
1293
1294                /* ISP requires much bigger delay to settle down,
1295                 * else crb_window returns 0xffffffff
1296                 */
1297                if (off == QLA82XX_ROMUSB_GLB_SW_RESET)
1298                        msleep(1000);
1299
1300                /* ISP requires millisec delay between
1301                 * successive CRB register updation
1302                 */
1303                msleep(1);
1304        }
1305
1306        kfree(buf);
1307
1308        /* Resetting the data and instruction cache */
1309        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e);
1310        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8);
1311        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8);
1312
1313        /* Clear all protocol processing engines */
1314        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0);
1315        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0);
1316        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0);
1317        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0);
1318        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0);
1319        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0);
1320        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0);
1321        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0);
1322        return 0;
1323}
1324
1325static int
1326qla82xx_pci_mem_write_2M(struct qla_hw_data *ha,
1327                u64 off, void *data, int size)
1328{
1329        int i, j, ret = 0, loop, sz[2], off0;
1330        int scale, shift_amount, startword;
1331        uint32_t temp;
1332        uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
1333
1334        /*
1335         * If not MN, go check for MS or invalid.
1336         */
1337        if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1338                mem_crb = QLA82XX_CRB_QDR_NET;
1339        else {
1340                mem_crb = QLA82XX_CRB_DDR_NET;
1341                if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
1342                        return qla82xx_pci_mem_write_direct(ha,
1343                            off, data, size);
1344        }
1345
1346        off0 = off & 0x7;
1347        sz[0] = (size < (8 - off0)) ? size : (8 - off0);
1348        sz[1] = size - sz[0];
1349
1350        off8 = off & 0xfffffff0;
1351        loop = (((off & 0xf) + size - 1) >> 4) + 1;
1352        shift_amount = 4;
1353        scale = 2;
1354        startword = (off & 0xf)/8;
1355
1356        for (i = 0; i < loop; i++) {
1357                if (qla82xx_pci_mem_read_2M(ha, off8 +
1358                    (i << shift_amount), &word[i * scale], 8))
1359                        return -1;
1360        }
1361
1362        switch (size) {
1363        case 1:
1364                tmpw = *((uint8_t *)data);
1365                break;
1366        case 2:
1367                tmpw = *((uint16_t *)data);
1368                break;
1369        case 4:
1370                tmpw = *((uint32_t *)data);
1371                break;
1372        case 8:
1373        default:
1374                tmpw = *((uint64_t *)data);
1375                break;
1376        }
1377
1378        if (sz[0] == 8) {
1379                word[startword] = tmpw;
1380        } else {
1381                word[startword] &=
1382                        ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
1383                word[startword] |= tmpw << (off0 * 8);
1384        }
1385        if (sz[1] != 0) {
1386                word[startword+1] &= ~(~0ULL << (sz[1] * 8));
1387                word[startword+1] |= tmpw >> (sz[0] * 8);
1388        }
1389
1390        for (i = 0; i < loop; i++) {
1391                temp = off8 + (i << shift_amount);
1392                qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
1393                temp = 0;
1394                qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
1395                temp = word[i * scale] & 0xffffffff;
1396                qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
1397                temp = (word[i * scale] >> 32) & 0xffffffff;
1398                qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
1399                temp = word[i*scale + 1] & 0xffffffff;
1400                qla82xx_wr_32(ha, mem_crb +
1401                    MIU_TEST_AGT_WRDATA_UPPER_LO, temp);
1402                temp = (word[i*scale + 1] >> 32) & 0xffffffff;
1403                qla82xx_wr_32(ha, mem_crb +
1404                    MIU_TEST_AGT_WRDATA_UPPER_HI, temp);
1405
1406                temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1407                qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1408                temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
1409                qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1410
1411                for (j = 0; j < MAX_CTL_CHECK; j++) {
1412                        temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1413                        if ((temp & MIU_TA_CTL_BUSY) == 0)
1414                                break;
1415                }
1416
1417                if (j >= MAX_CTL_CHECK) {
1418                        if (printk_ratelimit())
1419                                dev_err(&ha->pdev->dev,
1420                                    "failed to write through agent.\n");
1421                        ret = -1;
1422                        break;
1423                }
1424        }
1425
1426        return ret;
1427}
1428
1429static int
1430qla82xx_fw_load_from_flash(struct qla_hw_data *ha)
1431{
1432        int  i;
1433        long size = 0;
1434        long flashaddr = ha->flt_region_bootload << 2;
1435        long memaddr = BOOTLD_START;
1436        u64 data;
1437        u32 high, low;
1438        size = (IMAGE_START - BOOTLD_START) / 8;
1439
1440        for (i = 0; i < size; i++) {
1441                if ((qla82xx_rom_fast_read(ha, flashaddr, (int *)&low)) ||
1442                    (qla82xx_rom_fast_read(ha, flashaddr + 4, (int *)&high))) {
1443                        return -1;
1444                }
1445                data = ((u64)high << 32) | low ;
1446                qla82xx_pci_mem_write_2M(ha, memaddr, &data, 8);
1447                flashaddr += 8;
1448                memaddr += 8;
1449
1450                if (i % 0x1000 == 0)
1451                        msleep(1);
1452        }
1453        udelay(100);
1454        read_lock(&ha->hw_lock);
1455        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1456        qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
1457        read_unlock(&ha->hw_lock);
1458        return 0;
1459}
1460
1461int
1462qla82xx_pci_mem_read_2M(struct qla_hw_data *ha,
1463                u64 off, void *data, int size)
1464{
1465        int i, j = 0, k, start, end, loop, sz[2], off0[2];
1466        int           shift_amount;
1467        uint32_t      temp;
1468        uint64_t      off8, val, mem_crb, word[2] = {0, 0};
1469
1470        /*
1471         * If not MN, go check for MS or invalid.
1472         */
1473
1474        if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
1475                mem_crb = QLA82XX_CRB_QDR_NET;
1476        else {
1477                mem_crb = QLA82XX_CRB_DDR_NET;
1478                if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
1479                        return qla82xx_pci_mem_read_direct(ha,
1480                            off, data, size);
1481        }
1482
1483        off8 = off & 0xfffffff0;
1484        off0[0] = off & 0xf;
1485        sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]);
1486        shift_amount = 4;
1487        loop = ((off0[0] + size - 1) >> shift_amount) + 1;
1488        off0[1] = 0;
1489        sz[1] = size - sz[0];
1490
1491        for (i = 0; i < loop; i++) {
1492                temp = off8 + (i << shift_amount);
1493                qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
1494                temp = 0;
1495                qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
1496                temp = MIU_TA_CTL_ENABLE;
1497                qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1498                temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
1499                qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
1500
1501                for (j = 0; j < MAX_CTL_CHECK; j++) {
1502                        temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
1503                        if ((temp & MIU_TA_CTL_BUSY) == 0)
1504                                break;
1505                }
1506
1507                if (j >= MAX_CTL_CHECK) {
1508                        if (printk_ratelimit())
1509                                dev_err(&ha->pdev->dev,
1510                                    "failed to read through agent.\n");
1511                        break;
1512                }
1513
1514                start = off0[i] >> 2;
1515                end   = (off0[i] + sz[i] - 1) >> 2;
1516                for (k = start; k <= end; k++) {
1517                        temp = qla82xx_rd_32(ha,
1518                                        mem_crb + MIU_TEST_AGT_RDDATA(k));
1519                        word[i] |= ((uint64_t)temp << (32 * (k & 1)));
1520                }
1521        }
1522
1523        if (j >= MAX_CTL_CHECK)
1524                return -1;
1525
1526        if ((off0[0] & 7) == 0) {
1527                val = word[0];
1528        } else {
1529                val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
1530                        ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
1531        }
1532
1533        switch (size) {
1534        case 1:
1535                *(uint8_t  *)data = val;
1536                break;
1537        case 2:
1538                *(uint16_t *)data = val;
1539                break;
1540        case 4:
1541                *(uint32_t *)data = val;
1542                break;
1543        case 8:
1544                *(uint64_t *)data = val;
1545                break;
1546        }
1547        return 0;
1548}
1549
1550
1551static struct qla82xx_uri_table_desc *
1552qla82xx_get_table_desc(const u8 *unirom, int section)
1553{
1554        uint32_t i;
1555        struct qla82xx_uri_table_desc *directory =
1556                (struct qla82xx_uri_table_desc *)&unirom[0];
1557        __le32 offset;
1558        __le32 tab_type;
1559        __le32 entries = cpu_to_le32(directory->num_entries);
1560
1561        for (i = 0; i < entries; i++) {
1562                offset = cpu_to_le32(directory->findex) +
1563                    (i * cpu_to_le32(directory->entry_size));
1564                tab_type = cpu_to_le32(*((u32 *)&unirom[offset] + 8));
1565
1566                if (tab_type == section)
1567                        return (struct qla82xx_uri_table_desc *)&unirom[offset];
1568        }
1569
1570        return NULL;
1571}
1572
1573static struct qla82xx_uri_data_desc *
1574qla82xx_get_data_desc(struct qla_hw_data *ha,
1575        u32 section, u32 idx_offset)
1576{
1577        const u8 *unirom = ha->hablob->fw->data;
1578        int idx = cpu_to_le32(*((int *)&unirom[ha->file_prd_off] + idx_offset));
1579        struct qla82xx_uri_table_desc *tab_desc = NULL;
1580        __le32 offset;
1581
1582        tab_desc = qla82xx_get_table_desc(unirom, section);
1583        if (!tab_desc)
1584                return NULL;
1585
1586        offset = cpu_to_le32(tab_desc->findex) +
1587            (cpu_to_le32(tab_desc->entry_size) * idx);
1588
1589        return (struct qla82xx_uri_data_desc *)&unirom[offset];
1590}
1591
1592static u8 *
1593qla82xx_get_bootld_offset(struct qla_hw_data *ha)
1594{
1595        u32 offset = BOOTLD_START;
1596        struct qla82xx_uri_data_desc *uri_desc = NULL;
1597
1598        if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1599                uri_desc = qla82xx_get_data_desc(ha,
1600                    QLA82XX_URI_DIR_SECT_BOOTLD, QLA82XX_URI_BOOTLD_IDX_OFF);
1601                if (uri_desc)
1602                        offset = cpu_to_le32(uri_desc->findex);
1603        }
1604
1605        return (u8 *)&ha->hablob->fw->data[offset];
1606}
1607
1608static __le32
1609qla82xx_get_fw_size(struct qla_hw_data *ha)
1610{
1611        struct qla82xx_uri_data_desc *uri_desc = NULL;
1612
1613        if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1614                uri_desc =  qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW,
1615                    QLA82XX_URI_FIRMWARE_IDX_OFF);
1616                if (uri_desc)
1617                        return cpu_to_le32(uri_desc->size);
1618        }
1619
1620        return cpu_to_le32(*(u32 *)&ha->hablob->fw->data[FW_SIZE_OFFSET]);
1621}
1622
1623static u8 *
1624qla82xx_get_fw_offs(struct qla_hw_data *ha)
1625{
1626        u32 offset = IMAGE_START;
1627        struct qla82xx_uri_data_desc *uri_desc = NULL;
1628
1629        if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1630                uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW,
1631                        QLA82XX_URI_FIRMWARE_IDX_OFF);
1632                if (uri_desc)
1633                        offset = cpu_to_le32(uri_desc->findex);
1634        }
1635
1636        return (u8 *)&ha->hablob->fw->data[offset];
1637}
1638
1639/* PCI related functions */
1640int qla82xx_pci_region_offset(struct pci_dev *pdev, int region)
1641{
1642        unsigned long val = 0;
1643        u32 control;
1644
1645        switch (region) {
1646        case 0:
1647                val = 0;
1648                break;
1649        case 1:
1650                pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control);
1651                val = control + QLA82XX_MSIX_TBL_SPACE;
1652                break;
1653        }
1654        return val;
1655}
1656
1657
1658int
1659qla82xx_iospace_config(struct qla_hw_data *ha)
1660{
1661        uint32_t len = 0;
1662
1663        if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
1664                ql_log_pci(ql_log_fatal, ha->pdev, 0x000c,
1665                    "Failed to reserver selected regions.\n");
1666                goto iospace_error_exit;
1667        }
1668
1669        /* Use MMIO operations for all accesses. */
1670        if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
1671                ql_log_pci(ql_log_fatal, ha->pdev, 0x000d,
1672                    "Region #0 not an MMIO resource, aborting.\n");
1673                goto iospace_error_exit;
1674        }
1675
1676        len = pci_resource_len(ha->pdev, 0);
1677        ha->nx_pcibase = ioremap(pci_resource_start(ha->pdev, 0), len);
1678        if (!ha->nx_pcibase) {
1679                ql_log_pci(ql_log_fatal, ha->pdev, 0x000e,
1680                    "Cannot remap pcibase MMIO, aborting.\n");
1681                goto iospace_error_exit;
1682        }
1683
1684        /* Mapping of IO base pointer */
1685        if (IS_QLA8044(ha)) {
1686                ha->iobase = ha->nx_pcibase;
1687        } else if (IS_QLA82XX(ha)) {
1688                ha->iobase = ha->nx_pcibase + 0xbc000 + (ha->pdev->devfn << 11);
1689        }
1690
1691        if (!ql2xdbwr) {
1692                ha->nxdb_wr_ptr = ioremap((pci_resource_start(ha->pdev, 4) +
1693                    (ha->pdev->devfn << 12)), 4);
1694                if (!ha->nxdb_wr_ptr) {
1695                        ql_log_pci(ql_log_fatal, ha->pdev, 0x000f,
1696                            "Cannot remap MMIO, aborting.\n");
1697                        goto iospace_error_exit;
1698                }
1699
1700                /* Mapping of IO base pointer,
1701                 * door bell read and write pointer
1702                 */
1703                ha->nxdb_rd_ptr = ha->nx_pcibase + (512 * 1024) +
1704                    (ha->pdev->devfn * 8);
1705        } else {
1706                ha->nxdb_wr_ptr = (void __iomem *)(ha->pdev->devfn == 6 ?
1707                        QLA82XX_CAMRAM_DB1 :
1708                        QLA82XX_CAMRAM_DB2);
1709        }
1710
1711        ha->max_req_queues = ha->max_rsp_queues = 1;
1712        ha->msix_count = ha->max_rsp_queues + 1;
1713        ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc006,
1714            "nx_pci_base=%p iobase=%p "
1715            "max_req_queues=%d msix_count=%d.\n",
1716            ha->nx_pcibase, ha->iobase,
1717            ha->max_req_queues, ha->msix_count);
1718        ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0010,
1719            "nx_pci_base=%p iobase=%p "
1720            "max_req_queues=%d msix_count=%d.\n",
1721            ha->nx_pcibase, ha->iobase,
1722            ha->max_req_queues, ha->msix_count);
1723        return 0;
1724
1725iospace_error_exit:
1726        return -ENOMEM;
1727}
1728
1729/* GS related functions */
1730
1731/* Initialization related functions */
1732
1733/**
1734 * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers.
1735 * @vha: HA context
1736 *
1737 * Returns 0 on success.
1738*/
1739int
1740qla82xx_pci_config(scsi_qla_host_t *vha)
1741{
1742        struct qla_hw_data *ha = vha->hw;
1743        int ret;
1744
1745        pci_set_master(ha->pdev);
1746        ret = pci_set_mwi(ha->pdev);
1747        ha->chip_revision = ha->pdev->revision;
1748        ql_dbg(ql_dbg_init, vha, 0x0043,
1749            "Chip revision:%d; pci_set_mwi() returned %d.\n",
1750            ha->chip_revision, ret);
1751        return 0;
1752}
1753
1754/**
1755 * qla82xx_reset_chip() - Setup ISP82xx PCI configuration registers.
1756 * @vha: HA context
1757 *
1758 * Returns 0 on success.
1759 */
1760void
1761qla82xx_reset_chip(scsi_qla_host_t *vha)
1762{
1763        struct qla_hw_data *ha = vha->hw;
1764        ha->isp_ops->disable_intrs(ha);
1765}
1766
1767void qla82xx_config_rings(struct scsi_qla_host *vha)
1768{
1769        struct qla_hw_data *ha = vha->hw;
1770        struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
1771        struct init_cb_81xx *icb;
1772        struct req_que *req = ha->req_q_map[0];
1773        struct rsp_que *rsp = ha->rsp_q_map[0];
1774
1775        /* Setup ring parameters in initialization control block. */
1776        icb = (struct init_cb_81xx *)ha->init_cb;
1777        icb->request_q_outpointer = cpu_to_le16(0);
1778        icb->response_q_inpointer = cpu_to_le16(0);
1779        icb->request_q_length = cpu_to_le16(req->length);
1780        icb->response_q_length = cpu_to_le16(rsp->length);
1781        icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1782        icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1783        icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1784        icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
1785
1786        WRT_REG_DWORD(&reg->req_q_out[0], 0);
1787        WRT_REG_DWORD(&reg->rsp_q_in[0], 0);
1788        WRT_REG_DWORD(&reg->rsp_q_out[0], 0);
1789}
1790
1791static int
1792qla82xx_fw_load_from_blob(struct qla_hw_data *ha)
1793{
1794        u64 *ptr64;
1795        u32 i, flashaddr, size;
1796        __le64 data;
1797
1798        size = (IMAGE_START - BOOTLD_START) / 8;
1799
1800        ptr64 = (u64 *)qla82xx_get_bootld_offset(ha);
1801        flashaddr = BOOTLD_START;
1802
1803        for (i = 0; i < size; i++) {
1804                data = cpu_to_le64(ptr64[i]);
1805                if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
1806                        return -EIO;
1807                flashaddr += 8;
1808        }
1809
1810        flashaddr = FLASH_ADDR_START;
1811        size = (__force u32)qla82xx_get_fw_size(ha) / 8;
1812        ptr64 = (u64 *)qla82xx_get_fw_offs(ha);
1813
1814        for (i = 0; i < size; i++) {
1815                data = cpu_to_le64(ptr64[i]);
1816
1817                if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
1818                        return -EIO;
1819                flashaddr += 8;
1820        }
1821        udelay(100);
1822
1823        /* Write a magic value to CAMRAM register
1824         * at a specified offset to indicate
1825         * that all data is written and
1826         * ready for firmware to initialize.
1827         */
1828        qla82xx_wr_32(ha, QLA82XX_CAM_RAM(0x1fc), QLA82XX_BDINFO_MAGIC);
1829
1830        read_lock(&ha->hw_lock);
1831        qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
1832        qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
1833        read_unlock(&ha->hw_lock);
1834        return 0;
1835}
1836
1837static int
1838qla82xx_set_product_offset(struct qla_hw_data *ha)
1839{
1840        struct qla82xx_uri_table_desc *ptab_desc = NULL;
1841        const uint8_t *unirom = ha->hablob->fw->data;
1842        uint32_t i;
1843        __le32 entries;
1844        __le32 flags, file_chiprev, offset;
1845        uint8_t chiprev = ha->chip_revision;
1846        /* Hardcoding mn_present flag for P3P */
1847        int mn_present = 0;
1848        uint32_t flagbit;
1849
1850        ptab_desc = qla82xx_get_table_desc(unirom,
1851                 QLA82XX_URI_DIR_SECT_PRODUCT_TBL);
1852        if (!ptab_desc)
1853                return -1;
1854
1855        entries = cpu_to_le32(ptab_desc->num_entries);
1856
1857        for (i = 0; i < entries; i++) {
1858                offset = cpu_to_le32(ptab_desc->findex) +
1859                        (i * cpu_to_le32(ptab_desc->entry_size));
1860                flags = cpu_to_le32(*((int *)&unirom[offset] +
1861                        QLA82XX_URI_FLAGS_OFF));
1862                file_chiprev = cpu_to_le32(*((int *)&unirom[offset] +
1863                        QLA82XX_URI_CHIP_REV_OFF));
1864
1865                flagbit = mn_present ? 1 : 2;
1866
1867                if ((chiprev == file_chiprev) && ((1ULL << flagbit) & flags)) {
1868                        ha->file_prd_off = offset;
1869                        return 0;
1870                }
1871        }
1872        return -1;
1873}
1874
1875static int
1876qla82xx_validate_firmware_blob(scsi_qla_host_t *vha, uint8_t fw_type)
1877{
1878        __le32 val;
1879        uint32_t min_size;
1880        struct qla_hw_data *ha = vha->hw;
1881        const struct firmware *fw = ha->hablob->fw;
1882
1883        ha->fw_type = fw_type;
1884
1885        if (fw_type == QLA82XX_UNIFIED_ROMIMAGE) {
1886                if (qla82xx_set_product_offset(ha))
1887                        return -EINVAL;
1888
1889                min_size = QLA82XX_URI_FW_MIN_SIZE;
1890        } else {
1891                val = cpu_to_le32(*(u32 *)&fw->data[QLA82XX_FW_MAGIC_OFFSET]);
1892                if ((__force u32)val != QLA82XX_BDINFO_MAGIC)
1893                        return -EINVAL;
1894
1895                min_size = QLA82XX_FW_MIN_SIZE;
1896        }
1897
1898        if (fw->size < min_size)
1899                return -EINVAL;
1900        return 0;
1901}
1902
1903static int
1904qla82xx_check_cmdpeg_state(struct qla_hw_data *ha)
1905{
1906        u32 val = 0;
1907        int retries = 60;
1908        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1909
1910        do {
1911                read_lock(&ha->hw_lock);
1912                val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE);
1913                read_unlock(&ha->hw_lock);
1914
1915                switch (val) {
1916                case PHAN_INITIALIZE_COMPLETE:
1917                case PHAN_INITIALIZE_ACK:
1918                        return QLA_SUCCESS;
1919                case PHAN_INITIALIZE_FAILED:
1920                        break;
1921                default:
1922                        break;
1923                }
1924                ql_log(ql_log_info, vha, 0x00a8,
1925                    "CRB_CMDPEG_STATE: 0x%x and retries:0x%x.\n",
1926                    val, retries);
1927
1928                msleep(500);
1929
1930        } while (--retries);
1931
1932        ql_log(ql_log_fatal, vha, 0x00a9,
1933            "Cmd Peg initialization failed: 0x%x.\n", val);
1934
1935        val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE);
1936        read_lock(&ha->hw_lock);
1937        qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
1938        read_unlock(&ha->hw_lock);
1939        return QLA_FUNCTION_FAILED;
1940}
1941
1942static int
1943qla82xx_check_rcvpeg_state(struct qla_hw_data *ha)
1944{
1945        u32 val = 0;
1946        int retries = 60;
1947        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
1948
1949        do {
1950                read_lock(&ha->hw_lock);
1951                val = qla82xx_rd_32(ha, CRB_RCVPEG_STATE);
1952                read_unlock(&ha->hw_lock);
1953
1954                switch (val) {
1955                case PHAN_INITIALIZE_COMPLETE:
1956                case PHAN_INITIALIZE_ACK:
1957                        return QLA_SUCCESS;
1958                case PHAN_INITIALIZE_FAILED:
1959                        break;
1960                default:
1961                        break;
1962                }
1963                ql_log(ql_log_info, vha, 0x00ab,
1964                    "CRB_RCVPEG_STATE: 0x%x and retries: 0x%x.\n",
1965                    val, retries);
1966
1967                msleep(500);
1968
1969        } while (--retries);
1970
1971        ql_log(ql_log_fatal, vha, 0x00ac,
1972            "Rcv Peg initializatin failed: 0x%x.\n", val);
1973        read_lock(&ha->hw_lock);
1974        qla82xx_wr_32(ha, CRB_RCVPEG_STATE, PHAN_INITIALIZE_FAILED);
1975        read_unlock(&ha->hw_lock);
1976        return QLA_FUNCTION_FAILED;
1977}
1978
1979/* ISR related functions */
1980static struct qla82xx_legacy_intr_set legacy_intr[] = \
1981        QLA82XX_LEGACY_INTR_CONFIG;
1982
1983/*
1984 * qla82xx_mbx_completion() - Process mailbox command completions.
1985 * @ha: SCSI driver HA context
1986 * @mb0: Mailbox0 register
1987 */
1988void
1989qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
1990{
1991        uint16_t        cnt;
1992        uint16_t __iomem *wptr;
1993        struct qla_hw_data *ha = vha->hw;
1994        struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
1995        wptr = (uint16_t __iomem *)&reg->mailbox_out[1];
1996
1997        /* Load return mailbox registers. */
1998        ha->flags.mbox_int = 1;
1999        ha->mailbox_out[0] = mb0;
2000
2001        for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2002                ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
2003                wptr++;
2004        }
2005
2006        if (!ha->mcp)
2007                ql_dbg(ql_dbg_async, vha, 0x5053,
2008                    "MBX pointer ERROR.\n");
2009}
2010
2011/**
2012 * qla82xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
2013 * @irq:
2014 * @dev_id: SCSI driver HA context
2015 *
2016 * Called by system whenever the host adapter generates an interrupt.
2017 *
2018 * Returns handled flag.
2019 */
2020irqreturn_t
2021qla82xx_intr_handler(int irq, void *dev_id)
2022{
2023        scsi_qla_host_t *vha;
2024        struct qla_hw_data *ha;
2025        struct rsp_que *rsp;
2026        struct device_reg_82xx __iomem *reg;
2027        int status = 0, status1 = 0;
2028        unsigned long   flags;
2029        unsigned long   iter;
2030        uint32_t        stat = 0;
2031        uint16_t        mb[4];
2032
2033        rsp = (struct rsp_que *) dev_id;
2034        if (!rsp) {
2035                ql_log(ql_log_info, NULL, 0xb053,
2036                    "%s: NULL response queue pointer.\n", __func__);
2037                return IRQ_NONE;
2038        }
2039        ha = rsp->hw;
2040
2041        if (!ha->flags.msi_enabled) {
2042                status = qla82xx_rd_32(ha, ISR_INT_VECTOR);
2043                if (!(status & ha->nx_legacy_intr.int_vec_bit))
2044                        return IRQ_NONE;
2045
2046                status1 = qla82xx_rd_32(ha, ISR_INT_STATE_REG);
2047                if (!ISR_IS_LEGACY_INTR_TRIGGERED(status1))
2048                        return IRQ_NONE;
2049        }
2050
2051        /* clear the interrupt */
2052        qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff);
2053
2054        /* read twice to ensure write is flushed */
2055        qla82xx_rd_32(ha, ISR_INT_VECTOR);
2056        qla82xx_rd_32(ha, ISR_INT_VECTOR);
2057
2058        reg = &ha->iobase->isp82;
2059
2060        spin_lock_irqsave(&ha->hardware_lock, flags);
2061        vha = pci_get_drvdata(ha->pdev);
2062        for (iter = 1; iter--; ) {
2063
2064                if (RD_REG_DWORD(&reg->host_int)) {
2065                        stat = RD_REG_DWORD(&reg->host_status);
2066
2067                        switch (stat & 0xff) {
2068                        case 0x1:
2069                        case 0x2:
2070                        case 0x10:
2071                        case 0x11:
2072                                qla82xx_mbx_completion(vha, MSW(stat));
2073                                status |= MBX_INTERRUPT;
2074                                break;
2075                        case 0x12:
2076                                mb[0] = MSW(stat);
2077                                mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2078                                mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2079                                mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2080                                qla2x00_async_event(vha, rsp, mb);
2081                                break;
2082                        case 0x13:
2083                                qla24xx_process_response_queue(vha, rsp);
2084                                break;
2085                        default:
2086                                ql_dbg(ql_dbg_async, vha, 0x5054,
2087                                    "Unrecognized interrupt type (%d).\n",
2088                                    stat & 0xff);
2089                                break;
2090                        }
2091                }
2092                WRT_REG_DWORD(&reg->host_int, 0);
2093        }
2094
2095        qla2x00_handle_mbx_completion(ha, status);
2096        spin_unlock_irqrestore(&ha->hardware_lock, flags);
2097
2098        if (!ha->flags.msi_enabled)
2099                qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
2100
2101        return IRQ_HANDLED;
2102}
2103
2104irqreturn_t
2105qla82xx_msix_default(int irq, void *dev_id)
2106{
2107        scsi_qla_host_t *vha;
2108        struct qla_hw_data *ha;
2109        struct rsp_que *rsp;
2110        struct device_reg_82xx __iomem *reg;
2111        int status = 0;
2112        unsigned long flags;
2113        uint32_t stat = 0;
2114        uint32_t host_int = 0;
2115        uint16_t mb[4];
2116
2117        rsp = (struct rsp_que *) dev_id;
2118        if (!rsp) {
2119                printk(KERN_INFO
2120                        "%s(): NULL response queue pointer.\n", __func__);
2121                return IRQ_NONE;
2122        }
2123        ha = rsp->hw;
2124
2125        reg = &ha->iobase->isp82;
2126
2127        spin_lock_irqsave(&ha->hardware_lock, flags);
2128        vha = pci_get_drvdata(ha->pdev);
2129        do {
2130                host_int = RD_REG_DWORD(&reg->host_int);
2131                if (qla2x00_check_reg32_for_disconnect(vha, host_int))
2132                        break;
2133                if (host_int) {
2134                        stat = RD_REG_DWORD(&reg->host_status);
2135
2136                        switch (stat & 0xff) {
2137                        case 0x1:
2138                        case 0x2:
2139                        case 0x10:
2140                        case 0x11:
2141                                qla82xx_mbx_completion(vha, MSW(stat));
2142                                status |= MBX_INTERRUPT;
2143                                break;
2144                        case 0x12:
2145                                mb[0] = MSW(stat);
2146                                mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2147                                mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2148                                mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2149                                qla2x00_async_event(vha, rsp, mb);
2150                                break;
2151                        case 0x13:
2152                                qla24xx_process_response_queue(vha, rsp);
2153                                break;
2154                        default:
2155                                ql_dbg(ql_dbg_async, vha, 0x5041,
2156                                    "Unrecognized interrupt type (%d).\n",
2157                                    stat & 0xff);
2158                                break;
2159                        }
2160                }
2161                WRT_REG_DWORD(&reg->host_int, 0);
2162        } while (0);
2163
2164        qla2x00_handle_mbx_completion(ha, status);
2165        spin_unlock_irqrestore(&ha->hardware_lock, flags);
2166
2167        return IRQ_HANDLED;
2168}
2169
2170irqreturn_t
2171qla82xx_msix_rsp_q(int irq, void *dev_id)
2172{
2173        scsi_qla_host_t *vha;
2174        struct qla_hw_data *ha;
2175        struct rsp_que *rsp;
2176        struct device_reg_82xx __iomem *reg;
2177        unsigned long flags;
2178        uint32_t host_int = 0;
2179
2180        rsp = (struct rsp_que *) dev_id;
2181        if (!rsp) {
2182                printk(KERN_INFO
2183                        "%s(): NULL response queue pointer.\n", __func__);
2184                return IRQ_NONE;
2185        }
2186
2187        ha = rsp->hw;
2188        reg = &ha->iobase->isp82;
2189        spin_lock_irqsave(&ha->hardware_lock, flags);
2190        vha = pci_get_drvdata(ha->pdev);
2191        host_int = RD_REG_DWORD(&reg->host_int);
2192        if (qla2x00_check_reg32_for_disconnect(vha, host_int))
2193                goto out;
2194        qla24xx_process_response_queue(vha, rsp);
2195        WRT_REG_DWORD(&reg->host_int, 0);
2196out:
2197        spin_unlock_irqrestore(&ha->hardware_lock, flags);
2198        return IRQ_HANDLED;
2199}
2200
2201void
2202qla82xx_poll(int irq, void *dev_id)
2203{
2204        scsi_qla_host_t *vha;
2205        struct qla_hw_data *ha;
2206        struct rsp_que *rsp;
2207        struct device_reg_82xx __iomem *reg;
2208        int status = 0;
2209        uint32_t stat;
2210        uint32_t host_int = 0;
2211        uint16_t mb[4];
2212        unsigned long flags;
2213
2214        rsp = (struct rsp_que *) dev_id;
2215        if (!rsp) {
2216                printk(KERN_INFO
2217                        "%s(): NULL response queue pointer.\n", __func__);
2218                return;
2219        }
2220        ha = rsp->hw;
2221
2222        reg = &ha->iobase->isp82;
2223        spin_lock_irqsave(&ha->hardware_lock, flags);
2224        vha = pci_get_drvdata(ha->pdev);
2225
2226        host_int = RD_REG_DWORD(&reg->host_int);
2227        if (qla2x00_check_reg32_for_disconnect(vha, host_int))
2228                goto out;
2229        if (host_int) {
2230                stat = RD_REG_DWORD(&reg->host_status);
2231                switch (stat & 0xff) {
2232                case 0x1:
2233                case 0x2:
2234                case 0x10:
2235                case 0x11:
2236                        qla82xx_mbx_completion(vha, MSW(stat));
2237                        status |= MBX_INTERRUPT;
2238                        break;
2239                case 0x12:
2240                        mb[0] = MSW(stat);
2241                        mb[1] = RD_REG_WORD(&reg->mailbox_out[1]);
2242                        mb[2] = RD_REG_WORD(&reg->mailbox_out[2]);
2243                        mb[3] = RD_REG_WORD(&reg->mailbox_out[3]);
2244                        qla2x00_async_event(vha, rsp, mb);
2245                        break;
2246                case 0x13:
2247                        qla24xx_process_response_queue(vha, rsp);
2248                        break;
2249                default:
2250                        ql_dbg(ql_dbg_p3p, vha, 0xb013,
2251                            "Unrecognized interrupt type (%d).\n",
2252                            stat * 0xff);
2253                        break;
2254                }
2255                WRT_REG_DWORD(&reg->host_int, 0);
2256        }
2257out:
2258        spin_unlock_irqrestore(&ha->hardware_lock, flags);
2259}
2260
2261void
2262qla82xx_enable_intrs(struct qla_hw_data *ha)
2263{
2264        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2265        qla82xx_mbx_intr_enable(vha);
2266        spin_lock_irq(&ha->hardware_lock);
2267        if (IS_QLA8044(ha))
2268                qla8044_wr_reg(ha, LEG_INTR_MASK_OFFSET, 0);
2269        else
2270                qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
2271        spin_unlock_irq(&ha->hardware_lock);
2272        ha->interrupts_on = 1;
2273}
2274
2275void
2276qla82xx_disable_intrs(struct qla_hw_data *ha)
2277{
2278        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2279        qla82xx_mbx_intr_disable(vha);
2280        spin_lock_irq(&ha->hardware_lock);
2281        if (IS_QLA8044(ha))
2282                qla8044_wr_reg(ha, LEG_INTR_MASK_OFFSET, 1);
2283        else
2284                qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400);
2285        spin_unlock_irq(&ha->hardware_lock);
2286        ha->interrupts_on = 0;
2287}
2288
2289void qla82xx_init_flags(struct qla_hw_data *ha)
2290{
2291        struct qla82xx_legacy_intr_set *nx_legacy_intr;
2292
2293        /* ISP 8021 initializations */
2294        rwlock_init(&ha->hw_lock);
2295        ha->qdr_sn_window = -1;
2296        ha->ddr_mn_window = -1;
2297        ha->curr_window = 255;
2298        ha->portnum = PCI_FUNC(ha->pdev->devfn);
2299        nx_legacy_intr = &legacy_intr[ha->portnum];
2300        ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
2301        ha->nx_legacy_intr.tgt_status_reg = nx_legacy_intr->tgt_status_reg;
2302        ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
2303        ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
2304}
2305
2306static inline void
2307qla82xx_set_idc_version(scsi_qla_host_t *vha)
2308{
2309        int idc_ver;
2310        uint32_t drv_active;
2311        struct qla_hw_data *ha = vha->hw;
2312
2313        drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2314        if (drv_active == (QLA82XX_DRV_ACTIVE << (ha->portnum * 4))) {
2315                qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
2316                    QLA82XX_IDC_VERSION);
2317                ql_log(ql_log_info, vha, 0xb082,
2318                    "IDC version updated to %d\n", QLA82XX_IDC_VERSION);
2319        } else {
2320                idc_ver = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_IDC_VERSION);
2321                if (idc_ver != QLA82XX_IDC_VERSION)
2322                        ql_log(ql_log_info, vha, 0xb083,
2323                            "qla2xxx driver IDC version %d is not compatible "
2324                            "with IDC version %d of the other drivers\n",
2325                            QLA82XX_IDC_VERSION, idc_ver);
2326        }
2327}
2328
2329inline void
2330qla82xx_set_drv_active(scsi_qla_host_t *vha)
2331{
2332        uint32_t drv_active;
2333        struct qla_hw_data *ha = vha->hw;
2334
2335        drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2336
2337        /* If reset value is all FF's, initialize DRV_ACTIVE */
2338        if (drv_active == 0xffffffff) {
2339                qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE,
2340                        QLA82XX_DRV_NOT_ACTIVE);
2341                drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2342        }
2343        drv_active |= (QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
2344        qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
2345}
2346
2347inline void
2348qla82xx_clear_drv_active(struct qla_hw_data *ha)
2349{
2350        uint32_t drv_active;
2351
2352        drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2353        drv_active &= ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
2354        qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
2355}
2356
2357static inline int
2358qla82xx_need_reset(struct qla_hw_data *ha)
2359{
2360        uint32_t drv_state;
2361        int rval;
2362
2363        if (ha->flags.nic_core_reset_owner)
2364                return 1;
2365        else {
2366                drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2367                rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2368                return rval;
2369        }
2370}
2371
2372static inline void
2373qla82xx_set_rst_ready(struct qla_hw_data *ha)
2374{
2375        uint32_t drv_state;
2376        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2377
2378        drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2379
2380        /* If reset value is all FF's, initialize DRV_STATE */
2381        if (drv_state == 0xffffffff) {
2382                qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, QLA82XX_DRVST_NOT_RDY);
2383                drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2384        }
2385        drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2386        ql_dbg(ql_dbg_init, vha, 0x00bb,
2387            "drv_state = 0x%08x.\n", drv_state);
2388        qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
2389}
2390
2391static inline void
2392qla82xx_clear_rst_ready(struct qla_hw_data *ha)
2393{
2394        uint32_t drv_state;
2395
2396        drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2397        drv_state &= ~(QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
2398        qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
2399}
2400
2401static inline void
2402qla82xx_set_qsnt_ready(struct qla_hw_data *ha)
2403{
2404        uint32_t qsnt_state;
2405
2406        qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2407        qsnt_state |= (QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
2408        qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
2409}
2410
2411void
2412qla82xx_clear_qsnt_ready(scsi_qla_host_t *vha)
2413{
2414        struct qla_hw_data *ha = vha->hw;
2415        uint32_t qsnt_state;
2416
2417        qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2418        qsnt_state &= ~(QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
2419        qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
2420}
2421
2422static int
2423qla82xx_load_fw(scsi_qla_host_t *vha)
2424{
2425        int rst;
2426        struct fw_blob *blob;
2427        struct qla_hw_data *ha = vha->hw;
2428
2429        if (qla82xx_pinit_from_rom(vha) != QLA_SUCCESS) {
2430                ql_log(ql_log_fatal, vha, 0x009f,
2431                    "Error during CRB initialization.\n");
2432                return QLA_FUNCTION_FAILED;
2433        }
2434        udelay(500);
2435
2436        /* Bring QM and CAMRAM out of reset */
2437        rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET);
2438        rst &= ~((1 << 28) | (1 << 24));
2439        qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst);
2440
2441        /*
2442         * FW Load priority:
2443         * 1) Operational firmware residing in flash.
2444         * 2) Firmware via request-firmware interface (.bin file).
2445         */
2446        if (ql2xfwloadbin == 2)
2447                goto try_blob_fw;
2448
2449        ql_log(ql_log_info, vha, 0x00a0,
2450            "Attempting to load firmware from flash.\n");
2451
2452        if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) {
2453                ql_log(ql_log_info, vha, 0x00a1,
2454                    "Firmware loaded successfully from flash.\n");
2455                return QLA_SUCCESS;
2456        } else {
2457                ql_log(ql_log_warn, vha, 0x0108,
2458                    "Firmware load from flash failed.\n");
2459        }
2460
2461try_blob_fw:
2462        ql_log(ql_log_info, vha, 0x00a2,
2463            "Attempting to load firmware from blob.\n");
2464
2465        /* Load firmware blob. */
2466        blob = ha->hablob = qla2x00_request_firmware(vha);
2467        if (!blob) {
2468                ql_log(ql_log_fatal, vha, 0x00a3,
2469                    "Firmware image not present.\n");
2470                goto fw_load_failed;
2471        }
2472
2473        /* Validating firmware blob */
2474        if (qla82xx_validate_firmware_blob(vha,
2475                QLA82XX_FLASH_ROMIMAGE)) {
2476                /* Fallback to URI format */
2477                if (qla82xx_validate_firmware_blob(vha,
2478                        QLA82XX_UNIFIED_ROMIMAGE)) {
2479                        ql_log(ql_log_fatal, vha, 0x00a4,
2480                            "No valid firmware image found.\n");
2481                        return QLA_FUNCTION_FAILED;
2482                }
2483        }
2484
2485        if (qla82xx_fw_load_from_blob(ha) == QLA_SUCCESS) {
2486                ql_log(ql_log_info, vha, 0x00a5,
2487                    "Firmware loaded successfully from binary blob.\n");
2488                return QLA_SUCCESS;
2489        }
2490
2491        ql_log(ql_log_fatal, vha, 0x00a6,
2492               "Firmware load failed for binary blob.\n");
2493        blob->fw = NULL;
2494        blob = NULL;
2495
2496fw_load_failed:
2497        return QLA_FUNCTION_FAILED;
2498}
2499
2500int
2501qla82xx_start_firmware(scsi_qla_host_t *vha)
2502{
2503        uint16_t      lnk;
2504        struct qla_hw_data *ha = vha->hw;
2505
2506        /* scrub dma mask expansion register */
2507        qla82xx_wr_32(ha, CRB_DMA_SHIFT, QLA82XX_DMA_SHIFT_VALUE);
2508
2509        /* Put both the PEG CMD and RCV PEG to default state
2510         * of 0 before resetting the hardware
2511         */
2512        qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0);
2513        qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0);
2514
2515        /* Overwrite stale initialization register values */
2516        qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0);
2517        qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0);
2518
2519        if (qla82xx_load_fw(vha) != QLA_SUCCESS) {
2520                ql_log(ql_log_fatal, vha, 0x00a7,
2521                    "Error trying to start fw.\n");
2522                return QLA_FUNCTION_FAILED;
2523        }
2524
2525        /* Handshake with the card before we register the devices. */
2526        if (qla82xx_check_cmdpeg_state(ha) != QLA_SUCCESS) {
2527                ql_log(ql_log_fatal, vha, 0x00aa,
2528                    "Error during card handshake.\n");
2529                return QLA_FUNCTION_FAILED;
2530        }
2531
2532        /* Negotiated Link width */
2533        pcie_capability_read_word(ha->pdev, PCI_EXP_LNKSTA, &lnk);
2534        ha->link_width = (lnk >> 4) & 0x3f;
2535
2536        /* Synchronize with Receive peg */
2537        return qla82xx_check_rcvpeg_state(ha);
2538}
2539
2540static uint32_t *
2541qla82xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
2542        uint32_t length)
2543{
2544        uint32_t i;
2545        uint32_t val;
2546        struct qla_hw_data *ha = vha->hw;
2547
2548        /* Dword reads to flash. */
2549        for (i = 0; i < length/4; i++, faddr += 4) {
2550                if (qla82xx_rom_fast_read(ha, faddr, &val)) {
2551                        ql_log(ql_log_warn, vha, 0x0106,
2552                            "Do ROM fast read failed.\n");
2553                        goto done_read;
2554                }
2555                dwptr[i] = cpu_to_le32(val);
2556        }
2557done_read:
2558        return dwptr;
2559}
2560
2561static int
2562qla82xx_unprotect_flash(struct qla_hw_data *ha)
2563{
2564        int ret;
2565        uint32_t val;
2566        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2567
2568        ret = ql82xx_rom_lock_d(ha);
2569        if (ret < 0) {
2570                ql_log(ql_log_warn, vha, 0xb014,
2571                    "ROM Lock failed.\n");
2572                return ret;
2573        }
2574
2575        ret = qla82xx_read_status_reg(ha, &val);
2576        if (ret < 0)
2577                goto done_unprotect;
2578
2579        val &= ~(BLOCK_PROTECT_BITS << 2);
2580        ret = qla82xx_write_status_reg(ha, val);
2581        if (ret < 0) {
2582                val |= (BLOCK_PROTECT_BITS << 2);
2583                qla82xx_write_status_reg(ha, val);
2584        }
2585
2586        if (qla82xx_write_disable_flash(ha) != 0)
2587                ql_log(ql_log_warn, vha, 0xb015,
2588                    "Write disable failed.\n");
2589
2590done_unprotect:
2591        qla82xx_rom_unlock(ha);
2592        return ret;
2593}
2594
2595static int
2596qla82xx_protect_flash(struct qla_hw_data *ha)
2597{
2598        int ret;
2599        uint32_t val;
2600        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2601
2602        ret = ql82xx_rom_lock_d(ha);
2603        if (ret < 0) {
2604                ql_log(ql_log_warn, vha, 0xb016,
2605                    "ROM Lock failed.\n");
2606                return ret;
2607        }
2608
2609        ret = qla82xx_read_status_reg(ha, &val);
2610        if (ret < 0)
2611                goto done_protect;
2612
2613        val |= (BLOCK_PROTECT_BITS << 2);
2614        /* LOCK all sectors */
2615        ret = qla82xx_write_status_reg(ha, val);
2616        if (ret < 0)
2617                ql_log(ql_log_warn, vha, 0xb017,
2618                    "Write status register failed.\n");
2619
2620        if (qla82xx_write_disable_flash(ha) != 0)
2621                ql_log(ql_log_warn, vha, 0xb018,
2622                    "Write disable failed.\n");
2623done_protect:
2624        qla82xx_rom_unlock(ha);
2625        return ret;
2626}
2627
2628static int
2629qla82xx_erase_sector(struct qla_hw_data *ha, int addr)
2630{
2631        int ret = 0;
2632        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2633
2634        ret = ql82xx_rom_lock_d(ha);
2635        if (ret < 0) {
2636                ql_log(ql_log_warn, vha, 0xb019,
2637                    "ROM Lock failed.\n");
2638                return ret;
2639        }
2640
2641        qla82xx_flash_set_write_enable(ha);
2642        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
2643        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
2644        qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_SE);
2645
2646        if (qla82xx_wait_rom_done(ha)) {
2647                ql_log(ql_log_warn, vha, 0xb01a,
2648                    "Error waiting for rom done.\n");
2649                ret = -1;
2650                goto done;
2651        }
2652        ret = qla82xx_flash_wait_write_finish(ha);
2653done:
2654        qla82xx_rom_unlock(ha);
2655        return ret;
2656}
2657
2658/*
2659 * Address and length are byte address
2660 */
2661uint8_t *
2662qla82xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2663        uint32_t offset, uint32_t length)
2664{
2665        scsi_block_requests(vha->host);
2666        qla82xx_read_flash_data(vha, (uint32_t *)buf, offset, length);
2667        scsi_unblock_requests(vha->host);
2668        return buf;
2669}
2670
2671static int
2672qla82xx_write_flash_data(struct scsi_qla_host *vha, uint32_t *dwptr,
2673        uint32_t faddr, uint32_t dwords)
2674{
2675        int ret;
2676        uint32_t liter;
2677        uint32_t rest_addr;
2678        dma_addr_t optrom_dma;
2679        void *optrom = NULL;
2680        int page_mode = 0;
2681        struct qla_hw_data *ha = vha->hw;
2682
2683        ret = -1;
2684
2685        /* Prepare burst-capable write on supported ISPs. */
2686        if (page_mode && !(faddr & 0xfff) &&
2687            dwords > OPTROM_BURST_DWORDS) {
2688                optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
2689                    &optrom_dma, GFP_KERNEL);
2690                if (!optrom) {
2691                        ql_log(ql_log_warn, vha, 0xb01b,
2692                            "Unable to allocate memory "
2693                            "for optrom burst write (%x KB).\n",
2694                            OPTROM_BURST_SIZE / 1024);
2695                }
2696        }
2697
2698        rest_addr = ha->fdt_block_size - 1;
2699
2700        ret = qla82xx_unprotect_flash(ha);
2701        if (ret) {
2702                ql_log(ql_log_warn, vha, 0xb01c,
2703                    "Unable to unprotect flash for update.\n");
2704                goto write_done;
2705        }
2706
2707        for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) {
2708                /* Are we at the beginning of a sector? */
2709                if ((faddr & rest_addr) == 0) {
2710
2711                        ret = qla82xx_erase_sector(ha, faddr);
2712                        if (ret) {
2713                                ql_log(ql_log_warn, vha, 0xb01d,
2714                                    "Unable to erase sector: address=%x.\n",
2715                                    faddr);
2716                                break;
2717                        }
2718                }
2719
2720                /* Go with burst-write. */
2721                if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
2722                        /* Copy data to DMA'ble buffer. */
2723                        memcpy(optrom, dwptr, OPTROM_BURST_SIZE);
2724
2725                        ret = qla2x00_load_ram(vha, optrom_dma,
2726                            (ha->flash_data_off | faddr),
2727                            OPTROM_BURST_DWORDS);
2728                        if (ret != QLA_SUCCESS) {
2729                                ql_log(ql_log_warn, vha, 0xb01e,
2730                                    "Unable to burst-write optrom segment "
2731                                    "(%x/%x/%llx).\n", ret,
2732                                    (ha->flash_data_off | faddr),
2733                                    (unsigned long long)optrom_dma);
2734                                ql_log(ql_log_warn, vha, 0xb01f,
2735                                    "Reverting to slow-write.\n");
2736
2737                                dma_free_coherent(&ha->pdev->dev,
2738                                    OPTROM_BURST_SIZE, optrom, optrom_dma);
2739                                optrom = NULL;
2740                        } else {
2741                                liter += OPTROM_BURST_DWORDS - 1;
2742                                faddr += OPTROM_BURST_DWORDS - 1;
2743                                dwptr += OPTROM_BURST_DWORDS - 1;
2744                                continue;
2745                        }
2746                }
2747
2748                ret = qla82xx_write_flash_dword(ha, faddr,
2749                    cpu_to_le32(*dwptr));
2750                if (ret) {
2751                        ql_dbg(ql_dbg_p3p, vha, 0xb020,
2752                            "Unable to program flash address=%x data=%x.\n",
2753                            faddr, *dwptr);
2754                        break;
2755                }
2756        }
2757
2758        ret = qla82xx_protect_flash(ha);
2759        if (ret)
2760                ql_log(ql_log_warn, vha, 0xb021,
2761                    "Unable to protect flash after update.\n");
2762write_done:
2763        if (optrom)
2764                dma_free_coherent(&ha->pdev->dev,
2765                    OPTROM_BURST_SIZE, optrom, optrom_dma);
2766        return ret;
2767}
2768
2769int
2770qla82xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
2771        uint32_t offset, uint32_t length)
2772{
2773        int rval;
2774
2775        /* Suspend HBA. */
2776        scsi_block_requests(vha->host);
2777        rval = qla82xx_write_flash_data(vha, (uint32_t *)buf, offset,
2778                length >> 2);
2779        scsi_unblock_requests(vha->host);
2780
2781        /* Convert return ISP82xx to generic */
2782        if (rval)
2783                rval = QLA_FUNCTION_FAILED;
2784        else
2785                rval = QLA_SUCCESS;
2786        return rval;
2787}
2788
2789void
2790qla82xx_start_iocbs(scsi_qla_host_t *vha)
2791{
2792        struct qla_hw_data *ha = vha->hw;
2793        struct req_que *req = ha->req_q_map[0];
2794        uint32_t dbval;
2795
2796        /* Adjust ring index. */
2797        req->ring_index++;
2798        if (req->ring_index == req->length) {
2799                req->ring_index = 0;
2800                req->ring_ptr = req->ring;
2801        } else
2802                req->ring_ptr++;
2803
2804        dbval = 0x04 | (ha->portnum << 5);
2805
2806        dbval = dbval | (req->id << 8) | (req->ring_index << 16);
2807        if (ql2xdbwr)
2808                qla82xx_wr_32(ha, (unsigned long)ha->nxdb_wr_ptr, dbval);
2809        else {
2810                WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval);
2811                wmb();
2812                while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
2813                        WRT_REG_DWORD(ha->nxdb_wr_ptr, dbval);
2814                        wmb();
2815                }
2816        }
2817}
2818
2819static void
2820qla82xx_rom_lock_recovery(struct qla_hw_data *ha)
2821{
2822        scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
2823        uint32_t lock_owner = 0;
2824
2825        if (qla82xx_rom_lock(ha)) {
2826                lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID);
2827                /* Someone else is holding the lock. */
2828                ql_log(ql_log_info, vha, 0xb022,
2829                    "Resetting rom_lock, Lock Owner %u.\n", lock_owner);
2830        }
2831        /*
2832         * Either we got the lock, or someone
2833         * else died while holding it.
2834         * In either case, unlock.
2835         */
2836        qla82xx_rom_unlock(ha);
2837}
2838
2839/*
2840 * qla82xx_device_bootstrap
2841 *    Initialize device, set DEV_READY, start fw
2842 *
2843 * Note:
2844 *      IDC lock must be held upon entry
2845 *
2846 * Return:
2847 *    Success : 0
2848 *    Failed  : 1
2849 */
2850static int
2851qla82xx_device_bootstrap(scsi_qla_host_t *vha)
2852{
2853        int rval = QLA_SUCCESS;
2854        int i;
2855        uint32_t old_count, count;
2856        struct qla_hw_data *ha = vha->hw;
2857        int need_reset = 0;
2858
2859        need_reset = qla82xx_need_reset(ha);
2860
2861        if (need_reset) {
2862                /* We are trying to perform a recovery here. */
2863                if (ha->flags.isp82xx_fw_hung)
2864                        qla82xx_rom_lock_recovery(ha);
2865        } else  {
2866                old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
2867                for (i = 0; i < 10; i++) {
2868                        msleep(200);
2869                        count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
2870                        if (count != old_count) {
2871                                rval = QLA_SUCCESS;
2872                                goto dev_ready;
2873                        }
2874                }
2875                qla82xx_rom_lock_recovery(ha);
2876        }
2877
2878        /* set to DEV_INITIALIZING */
2879        ql_log(ql_log_info, vha, 0x009e,
2880            "HW State: INITIALIZING.\n");
2881        qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
2882
2883        qla82xx_idc_unlock(ha);
2884        rval = qla82xx_start_firmware(vha);
2885        qla82xx_idc_lock(ha);
2886
2887        if (rval != QLA_SUCCESS) {
2888                ql_log(ql_log_fatal, vha, 0x00ad,
2889                    "HW State: FAILED.\n");
2890                qla82xx_clear_drv_active(ha);
2891                qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_FAILED);
2892                return rval;
2893        }
2894
2895dev_ready:
2896        ql_log(ql_log_info, vha, 0x00ae,
2897            "HW State: READY.\n");
2898        qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_READY);
2899
2900        return QLA_SUCCESS;
2901}
2902
2903/*
2904* qla82xx_need_qsnt_handler
2905*    Code to start quiescence sequence
2906*
2907* Note:
2908*      IDC lock must be held upon entry
2909*
2910* Return: void
2911*/
2912
2913static void
2914qla82xx_need_qsnt_handler(scsi_qla_host_t *vha)
2915{
2916        struct qla_hw_data *ha = vha->hw;
2917        uint32_t dev_state, drv_state, drv_active;
2918        unsigned long reset_timeout;
2919
2920        if (vha->flags.online) {
2921                /*Block any further I/O and wait for pending cmnds to complete*/
2922                qla2x00_quiesce_io(vha);
2923        }
2924
2925        /* Set the quiescence ready bit */
2926        qla82xx_set_qsnt_ready(ha);
2927
2928        /*wait for 30 secs for other functions to ack */
2929        reset_timeout = jiffies + (30 * HZ);
2930
2931        drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2932        drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2933        /* Its 2 that is written when qsnt is acked, moving one bit */
2934        drv_active = drv_active << 0x01;
2935
2936        while (drv_state != drv_active) {
2937
2938                if (time_after_eq(jiffies, reset_timeout)) {
2939                        /* quiescence timeout, other functions didn't ack
2940                         * changing the state to DEV_READY
2941                         */
2942                        ql_log(ql_log_info, vha, 0xb023,
2943                            "%s : QUIESCENT TIMEOUT DRV_ACTIVE:%d "
2944                            "DRV_STATE:%d.\n", QLA2XXX_DRIVER_NAME,
2945                            drv_active, drv_state);
2946                        qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2947                            QLA8XXX_DEV_READY);
2948                        ql_log(ql_log_info, vha, 0xb025,
2949                            "HW State: DEV_READY.\n");
2950                        qla82xx_idc_unlock(ha);
2951                        qla2x00_perform_loop_resync(vha);
2952                        qla82xx_idc_lock(ha);
2953
2954                        qla82xx_clear_qsnt_ready(vha);
2955                        return;
2956                }
2957
2958                qla82xx_idc_unlock(ha);
2959                msleep(1000);
2960                qla82xx_idc_lock(ha);
2961
2962                drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
2963                drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
2964                drv_active = drv_active << 0x01;
2965        }
2966        dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
2967        /* everyone acked so set the state to DEV_QUIESCENCE */
2968        if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
2969                ql_log(ql_log_info, vha, 0xb026,
2970                    "HW State: DEV_QUIESCENT.\n");
2971                qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_QUIESCENT);
2972        }
2973}
2974
2975/*
2976* qla82xx_wait_for_state_change
2977*    Wait for device state to change from given current state
2978*
2979* Note:
2980*     IDC lock must not be held upon entry
2981*
2982* Return:
2983*    Changed device state.
2984*/
2985uint32_t
2986qla82xx_wait_for_state_change(scsi_qla_host_t *vha, uint32_t curr_state)
2987{
2988        struct qla_hw_data *ha = vha->hw;
2989        uint32_t dev_state;
2990
2991        do {
2992                msleep(1000);
2993                qla82xx_idc_lock(ha);
2994                dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
2995                qla82xx_idc_unlock(ha);
2996        } while (dev_state == curr_state);
2997
2998        return dev_state;
2999}
3000
3001void
3002qla8xxx_dev_failed_handler(scsi_qla_host_t *vha)
3003{
3004        struct qla_hw_data *ha = vha->hw;
3005
3006        /* Disable the board */
3007        ql_log(ql_log_fatal, vha, 0x00b8,
3008            "Disabling the board.\n");
3009
3010        if (IS_QLA82XX(ha)) {
3011                qla82xx_clear_drv_active(ha);
3012                qla82xx_idc_unlock(ha);
3013        } else if (IS_QLA8044(ha)) {
3014                qla8044_clear_drv_active(ha);
3015                qla8044_idc_unlock(ha);
3016        }
3017
3018        /* Set DEV_FAILED flag to disable timer */
3019        vha->device_flags |= DFLG_DEV_FAILED;
3020        qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3021        qla2x00_mark_all_devices_lost(vha, 0);
3022        vha->flags.online = 0;
3023        vha->flags.init_done = 0;
3024}
3025
3026/*
3027 * qla82xx_need_reset_handler
3028 *    Code to start reset sequence
3029 *
3030 * Note:
3031 *      IDC lock must be held upon entry
3032 *
3033 * Return:
3034 *    Success : 0
3035 *    Failed  : 1
3036 */
3037static void
3038qla82xx_need_reset_handler(scsi_qla_host_t *vha)
3039{
3040        uint32_t dev_state, drv_state, drv_active;
3041        uint32_t active_mask = 0;
3042        unsigned long reset_timeout;
3043        struct qla_hw_data *ha = vha->hw;
3044        struct req_que *req = ha->req_q_map[0];
3045
3046        if (vha->flags.online) {
3047                qla82xx_idc_unlock(ha);
3048                qla2x00_abort_isp_cleanup(vha);
3049                ha->isp_ops->get_flash_version(vha, req->ring);
3050                ha->isp_ops->nvram_config(vha);
3051                qla82xx_idc_lock(ha);
3052        }
3053
3054        drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3055        if (!ha->flags.nic_core_reset_owner) {
3056                ql_dbg(ql_dbg_p3p, vha, 0xb028,
3057                    "reset_acknowledged by 0x%x\n", ha->portnum);
3058                qla82xx_set_rst_ready(ha);
3059        } else {
3060                active_mask = ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4));
3061                drv_active &= active_mask;
3062                ql_dbg(ql_dbg_p3p, vha, 0xb029,
3063                    "active_mask: 0x%08x\n", active_mask);
3064        }
3065
3066        /* wait for 10 seconds for reset ack from all functions */
3067        reset_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
3068
3069        drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3070        drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3071        dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3072
3073        ql_dbg(ql_dbg_p3p, vha, 0xb02a,
3074            "drv_state: 0x%08x, drv_active: 0x%08x, "
3075            "dev_state: 0x%08x, active_mask: 0x%08x\n",
3076            drv_state, drv_active, dev_state, active_mask);
3077
3078        while (drv_state != drv_active &&
3079            dev_state != QLA8XXX_DEV_INITIALIZING) {
3080                if (time_after_eq(jiffies, reset_timeout)) {
3081                        ql_log(ql_log_warn, vha, 0x00b5,
3082                            "Reset timeout.\n");
3083                        break;
3084                }
3085                qla82xx_idc_unlock(ha);
3086                msleep(1000);
3087                qla82xx_idc_lock(ha);
3088                drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
3089                drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
3090                if (ha->flags.nic_core_reset_owner)
3091                        drv_active &= active_mask;
3092                dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3093        }
3094
3095        ql_dbg(ql_dbg_p3p, vha, 0xb02b,
3096            "drv_state: 0x%08x, drv_active: 0x%08x, "
3097            "dev_state: 0x%08x, active_mask: 0x%08x\n",
3098            drv_state, drv_active, dev_state, active_mask);
3099
3100        ql_log(ql_log_info, vha, 0x00b6,
3101            "Device state is 0x%x = %s.\n",
3102            dev_state,
3103            dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
3104
3105        /* Force to DEV_COLD unless someone else is starting a reset */
3106        if (dev_state != QLA8XXX_DEV_INITIALIZING &&
3107            dev_state != QLA8XXX_DEV_COLD) {
3108                ql_log(ql_log_info, vha, 0x00b7,
3109                    "HW State: COLD/RE-INIT.\n");
3110                qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_COLD);
3111                qla82xx_set_rst_ready(ha);
3112                if (ql2xmdenable) {
3113                        if (qla82xx_md_collect(vha))
3114                                ql_log(ql_log_warn, vha, 0xb02c,
3115                                    "Minidump not collected.\n");
3116                } else
3117                        ql_log(ql_log_warn, vha, 0xb04f,
3118                            "Minidump disabled.\n");
3119        }
3120}
3121
3122int
3123qla82xx_check_md_needed(scsi_qla_host_t *vha)
3124{
3125        struct qla_hw_data *ha = vha->hw;
3126        uint16_t fw_major_version, fw_minor_version, fw_subminor_version;
3127        int rval = QLA_SUCCESS;
3128
3129        fw_major_version = ha->fw_major_version;
3130        fw_minor_version = ha->fw_minor_version;
3131        fw_subminor_version = ha->fw_subminor_version;
3132
3133        rval = qla2x00_get_fw_version(vha);
3134        if (rval != QLA_SUCCESS)
3135                return rval;
3136
3137        if (ql2xmdenable) {
3138                if (!ha->fw_dumped) {
3139                        if ((fw_major_version != ha->fw_major_version ||
3140                            fw_minor_version != ha->fw_minor_version ||
3141                            fw_subminor_version != ha->fw_subminor_version) ||
3142                            (ha->prev_minidump_failed)) {
3143                                ql_dbg(ql_dbg_p3p, vha, 0xb02d,
3144                                    "Firmware version differs Previous version: %d:%d:%d - New version: %d:%d:%d, prev_minidump_failed: %d.\n",
3145                                    fw_major_version, fw_minor_version,
3146                                    fw_subminor_version,
3147                                    ha->fw_major_version,
3148                                    ha->fw_minor_version,
3149                                    ha->fw_subminor_version,
3150                                    ha->prev_minidump_failed);
3151                                /* Release MiniDump resources */
3152                                qla82xx_md_free(vha);
3153                                /* ALlocate MiniDump resources */
3154                                qla82xx_md_prep(vha);
3155                        }
3156                } else
3157                        ql_log(ql_log_info, vha, 0xb02e,
3158                            "Firmware dump available to retrieve\n");
3159        }
3160        return rval;
3161}
3162
3163
3164static int
3165qla82xx_check_fw_alive(scsi_qla_host_t *vha)
3166{
3167        uint32_t fw_heartbeat_counter;
3168        int status = 0;
3169
3170        fw_heartbeat_counter = qla82xx_rd_32(vha->hw,
3171                QLA82XX_PEG_ALIVE_COUNTER);
3172        /* all 0xff, assume AER/EEH in progress, ignore */
3173        if (fw_heartbeat_counter == 0xffffffff) {
3174                ql_dbg(ql_dbg_timer, vha, 0x6003,
3175                    "FW heartbeat counter is 0xffffffff, "
3176                    "returning status=%d.\n", status);
3177                return status;
3178        }
3179        if (vha->fw_heartbeat_counter == fw_heartbeat_counter) {
3180                vha->seconds_since_last_heartbeat++;
3181                /* FW not alive after 2 seconds */
3182                if (vha->seconds_since_last_heartbeat == 2) {
3183                        vha->seconds_since_last_heartbeat = 0;
3184                        status = 1;
3185                }
3186        } else
3187                vha->seconds_since_last_heartbeat = 0;
3188        vha->fw_heartbeat_counter = fw_heartbeat_counter;
3189        if (status)
3190                ql_dbg(ql_dbg_timer, vha, 0x6004,
3191                    "Returning status=%d.\n", status);
3192        return status;
3193}
3194
3195/*
3196 * qla82xx_device_state_handler
3197 *      Main state handler
3198 *
3199 * Note:
3200 *      IDC lock must be held upon entry
3201 *
3202 * Return:
3203 *    Success : 0
3204 *    Failed  : 1
3205 */
3206int
3207qla82xx_device_state_handler(scsi_qla_host_t *vha)
3208{
3209        uint32_t dev_state;
3210        uint32_t old_dev_state;
3211        int rval = QLA_SUCCESS;
3212        unsigned long dev_init_timeout;
3213        struct qla_hw_data *ha = vha->hw;
3214        int loopcount = 0;
3215
3216        qla82xx_idc_lock(ha);
3217        if (!vha->flags.init_done) {
3218                qla82xx_set_drv_active(vha);
3219                qla82xx_set_idc_version(vha);
3220        }
3221
3222        dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3223        old_dev_state = dev_state;
3224        ql_log(ql_log_info, vha, 0x009b,
3225            "Device state is 0x%x = %s.\n",
3226            dev_state,
3227            dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
3228
3229        /* wait for 30 seconds for device to go ready */
3230        dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
3231
3232        while (1) {
3233
3234                if (time_after_eq(jiffies, dev_init_timeout)) {
3235                        ql_log(ql_log_fatal, vha, 0x009c,
3236                            "Device init failed.\n");
3237                        rval = QLA_FUNCTION_FAILED;
3238                        break;
3239                }
3240                dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3241                if (old_dev_state != dev_state) {
3242                        loopcount = 0;
3243                        old_dev_state = dev_state;
3244                }
3245                if (loopcount < 5) {
3246                        ql_log(ql_log_info, vha, 0x009d,
3247                            "Device state is 0x%x = %s.\n",
3248                            dev_state,
3249                            dev_state < MAX_STATES ? qdev_state(dev_state) :
3250                            "Unknown");
3251                }
3252
3253                switch (dev_state) {
3254                case QLA8XXX_DEV_READY:
3255                        ha->flags.nic_core_reset_owner = 0;
3256                        goto rel_lock;
3257                case QLA8XXX_DEV_COLD:
3258                        rval = qla82xx_device_bootstrap(vha);
3259                        break;
3260                case QLA8XXX_DEV_INITIALIZING:
3261                        qla82xx_idc_unlock(ha);
3262                        msleep(1000);
3263                        qla82xx_idc_lock(ha);
3264                        break;
3265                case QLA8XXX_DEV_NEED_RESET:
3266                        if (!ql2xdontresethba)
3267                                qla82xx_need_reset_handler(vha);
3268                        else {
3269                                qla82xx_idc_unlock(ha);
3270                                msleep(1000);
3271                                qla82xx_idc_lock(ha);
3272                        }
3273                        dev_init_timeout = jiffies +
3274                            (ha->fcoe_dev_init_timeout * HZ);
3275                        break;
3276                case QLA8XXX_DEV_NEED_QUIESCENT:
3277                        qla82xx_need_qsnt_handler(vha);
3278                        /* Reset timeout value after quiescence handler */
3279                        dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout\
3280                                                         * HZ);
3281                        break;
3282                case QLA8XXX_DEV_QUIESCENT:
3283                        /* Owner will exit and other will wait for the state
3284                         * to get changed
3285                         */
3286                        if (ha->flags.quiesce_owner)
3287                                goto rel_lock;
3288
3289                        qla82xx_idc_unlock(ha);
3290                        msleep(1000);
3291                        qla82xx_idc_lock(ha);
3292
3293                        /* Reset timeout value after quiescence handler */
3294                        dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout\
3295                                                         * HZ);
3296                        break;
3297                case QLA8XXX_DEV_FAILED:
3298                        qla8xxx_dev_failed_handler(vha);
3299                        rval = QLA_FUNCTION_FAILED;
3300                        goto exit;
3301                default:
3302                        qla82xx_idc_unlock(ha);
3303                        msleep(1000);
3304                        qla82xx_idc_lock(ha);
3305                }
3306                loopcount++;
3307        }
3308rel_lock:
3309        qla82xx_idc_unlock(ha);
3310exit:
3311        return rval;
3312}
3313
3314static int qla82xx_check_temp(scsi_qla_host_t *vha)
3315{
3316        uint32_t temp, temp_state, temp_val;
3317        struct qla_hw_data *ha = vha->hw;
3318
3319        temp = qla82xx_rd_32(ha, CRB_TEMP_STATE);
3320        temp_state = qla82xx_get_temp_state(temp);
3321        temp_val = qla82xx_get_temp_val(temp);
3322
3323        if (temp_state == QLA82XX_TEMP_PANIC) {
3324                ql_log(ql_log_warn, vha, 0x600e,
3325                    "Device temperature %d degrees C exceeds "
3326                    " maximum allowed. Hardware has been shut down.\n",
3327                    temp_val);
3328                return 1;
3329        } else if (temp_state == QLA82XX_TEMP_WARN) {
3330                ql_log(ql_log_warn, vha, 0x600f,
3331                    "Device temperature %d degrees C exceeds "
3332                    "operating range. Immediate action needed.\n",
3333                    temp_val);
3334        }
3335        return 0;
3336}
3337
3338int qla82xx_read_temperature(scsi_qla_host_t *vha)
3339{
3340        uint32_t temp;
3341
3342        temp = qla82xx_rd_32(vha->hw, CRB_TEMP_STATE);
3343        return qla82xx_get_temp_val(temp);
3344}
3345
3346void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha)
3347{
3348        struct qla_hw_data *ha = vha->hw;
3349
3350        if (ha->flags.mbox_busy) {
3351                ha->flags.mbox_int = 1;
3352                ha->flags.mbox_busy = 0;
3353                ql_log(ql_log_warn, vha, 0x6010,
3354                    "Doing premature completion of mbx command.\n");
3355                if (test_and_clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags))
3356                        complete(&ha->mbx_intr_comp);
3357        }
3358}
3359
3360void qla82xx_watchdog(scsi_qla_host_t *vha)
3361{
3362        uint32_t dev_state, halt_status;
3363        struct qla_hw_data *ha = vha->hw;
3364
3365        /* don't poll if reset is going on */
3366        if (!ha->flags.nic_core_reset_hdlr_active) {
3367                dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3368                if (qla82xx_check_temp(vha)) {
3369                        set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
3370                        ha->flags.isp82xx_fw_hung = 1;
3371                        qla82xx_clear_pending_mbx(vha);
3372                } else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
3373                    !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) {
3374                        ql_log(ql_log_warn, vha, 0x6001,
3375                            "Adapter reset needed.\n");
3376                        set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3377                } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
3378                        !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) {
3379                        ql_log(ql_log_warn, vha, 0x6002,
3380                            "Quiescent needed.\n");
3381                        set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
3382                } else if (dev_state == QLA8XXX_DEV_FAILED &&
3383                        !test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) &&
3384                        vha->flags.online == 1) {
3385                        ql_log(ql_log_warn, vha, 0xb055,
3386                            "Adapter state is failed. Offlining.\n");
3387                        set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
3388                        ha->flags.isp82xx_fw_hung = 1;
3389                        qla82xx_clear_pending_mbx(vha);
3390                } else {
3391                        if (qla82xx_check_fw_alive(vha)) {
3392                                ql_dbg(ql_dbg_timer, vha, 0x6011,
3393                                    "disabling pause transmit on port 0 & 1.\n");
3394                                qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
3395                                    CRB_NIU_XG_PAUSE_CTL_P0|CRB_NIU_XG_PAUSE_CTL_P1);
3396                                halt_status = qla82xx_rd_32(ha,
3397                                    QLA82XX_PEG_HALT_STATUS1);
3398                                ql_log(ql_log_info, vha, 0x6005,
3399                                    "dumping hw/fw registers:.\n "
3400                                    " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n "
3401                                    " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n "
3402                                    " PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,.\n "
3403                                    " PEG_NET_4_PC: 0x%x.\n", halt_status,
3404                                    qla82xx_rd_32(ha, QLA82XX_PEG_HALT_STATUS2),
3405                                    qla82xx_rd_32(ha,
3406                                            QLA82XX_CRB_PEG_NET_0 + 0x3c),
3407                                    qla82xx_rd_32(ha,
3408                                            QLA82XX_CRB_PEG_NET_1 + 0x3c),
3409                                    qla82xx_rd_32(ha,
3410                                            QLA82XX_CRB_PEG_NET_2 + 0x3c),
3411                                    qla82xx_rd_32(ha,
3412                                            QLA82XX_CRB_PEG_NET_3 + 0x3c),
3413                                    qla82xx_rd_32(ha,
3414                                            QLA82XX_CRB_PEG_NET_4 + 0x3c));
3415                                if (((halt_status & 0x1fffff00) >> 8) == 0x67)
3416                                        ql_log(ql_log_warn, vha, 0xb052,
3417                                            "Firmware aborted with "
3418                                            "error code 0x00006700. Device is "
3419                                            "being reset.\n");
3420                                if (halt_status & HALT_STATUS_UNRECOVERABLE) {
3421                                        set_bit(ISP_UNRECOVERABLE,
3422                                            &vha->dpc_flags);
3423                                } else {
3424                                        ql_log(ql_log_info, vha, 0x6006,
3425                                            "Detect abort  needed.\n");
3426                                        set_bit(ISP_ABORT_NEEDED,
3427                                            &vha->dpc_flags);
3428                                }
3429                                ha->flags.isp82xx_fw_hung = 1;
3430                                ql_log(ql_log_warn, vha, 0x6007, "Firmware hung.\n");
3431                                qla82xx_clear_pending_mbx(vha);
3432                        }
3433                }
3434        }
3435}
3436
3437int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
3438{
3439        int rval = -1;
3440        struct qla_hw_data *ha = vha->hw;
3441
3442        if (IS_QLA82XX(ha))
3443                rval = qla82xx_device_state_handler(vha);
3444        else if (IS_QLA8044(ha)) {
3445                qla8044_idc_lock(ha);
3446                /* Decide the reset ownership */
3447                qla83xx_reset_ownership(vha);
3448                qla8044_idc_unlock(ha);
3449                rval = qla8044_device_state_handler(vha);
3450        }
3451        return rval;
3452}
3453
3454void
3455qla82xx_set_reset_owner(scsi_qla_host_t *vha)
3456{
3457        struct qla_hw_data *ha = vha->hw;
3458        uint32_t dev_state = 0;
3459
3460        if (IS_QLA82XX(ha))
3461                dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
3462        else if (IS_QLA8044(ha))
3463                dev_state = qla8044_rd_direct(vha, QLA8044_CRB_DEV_STATE_INDEX);
3464
3465        if (dev_state == QLA8XXX_DEV_READY) {
3466                ql_log(ql_log_info, vha, 0xb02f,
3467                    "HW State: NEED RESET\n");
3468                if (IS_QLA82XX(ha)) {
3469                        qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3470                            QLA8XXX_DEV_NEED_RESET);
3471                        ha->flags.nic_core_reset_owner = 1;
3472                        ql_dbg(ql_dbg_p3p, vha, 0xb030,
3473                            "reset_owner is 0x%x\n", ha->portnum);
3474                } else if (IS_QLA8044(ha))
3475                        qla8044_wr_direct(vha, QLA8044_CRB_DEV_STATE_INDEX,
3476                            QLA8XXX_DEV_NEED_RESET);
3477        } else
3478                ql_log(ql_log_info, vha, 0xb031,
3479                    "Device state is 0x%x = %s.\n",
3480                    dev_state,
3481                    dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown");
3482}
3483
3484/*
3485 *  qla82xx_abort_isp
3486 *      Resets ISP and aborts all outstanding commands.
3487 *
3488 * Input:
3489 *      ha           = adapter block pointer.
3490 *
3491 * Returns:
3492 *      0 = success
3493 */
3494int
3495qla82xx_abort_isp(scsi_qla_host_t *vha)
3496{
3497        int rval = -1;
3498        struct qla_hw_data *ha = vha->hw;
3499
3500        if (vha->device_flags & DFLG_DEV_FAILED) {
3501                ql_log(ql_log_warn, vha, 0x8024,
3502                    "Device in failed state, exiting.\n");
3503                return QLA_SUCCESS;
3504        }
3505        ha->flags.nic_core_reset_hdlr_active = 1;
3506
3507        qla82xx_idc_lock(ha);
3508        qla82xx_set_reset_owner(vha);
3509        qla82xx_idc_unlock(ha);
3510
3511        if (IS_QLA82XX(ha))
3512                rval = qla82xx_device_state_handler(vha);
3513        else if (IS_QLA8044(ha)) {
3514                qla8044_idc_lock(ha);
3515                /* Decide the reset ownership */
3516                qla83xx_reset_ownership(vha);
3517                qla8044_idc_unlock(ha);
3518                rval = qla8044_device_state_handler(vha);
3519        }
3520
3521        qla82xx_idc_lock(ha);
3522        qla82xx_clear_rst_ready(ha);
3523        qla82xx_idc_unlock(ha);
3524
3525        if (rval == QLA_SUCCESS) {
3526                ha->flags.isp82xx_fw_hung = 0;
3527                ha->flags.nic_core_reset_hdlr_active = 0;
3528                qla82xx_restart_isp(vha);
3529        }
3530
3531        if (rval) {
3532                vha->flags.online = 1;
3533                if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
3534                        if (ha->isp_abort_cnt == 0) {
3535                                ql_log(ql_log_warn, vha, 0x8027,
3536                                    "ISP error recover failed - board "
3537                                    "disabled.\n");
3538                                /*
3539                                 * The next call disables the board
3540                                 * completely.
3541                                 */
3542                                ha->isp_ops->reset_adapter(vha);
3543                                vha->flags.online = 0;
3544                                clear_bit(ISP_ABORT_RETRY,
3545                                    &vha->dpc_flags);
3546                                rval = QLA_SUCCESS;
3547                        } else { /* schedule another ISP abort */
3548                                ha->isp_abort_cnt--;
3549                                ql_log(ql_log_warn, vha, 0x8036,
3550                                    "ISP abort - retry remaining %d.\n",
3551                                    ha->isp_abort_cnt);
3552                                rval = QLA_FUNCTION_FAILED;
3553                        }
3554                } else {
3555                        ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3556                        ql_dbg(ql_dbg_taskm, vha, 0x8029,
3557                            "ISP error recovery - retrying (%d) more times.\n",
3558                            ha->isp_abort_cnt);
3559                        set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3560                        rval = QLA_FUNCTION_FAILED;
3561                }
3562        }
3563        return rval;
3564}
3565
3566/*
3567 *  qla82xx_fcoe_ctx_reset
3568 *      Perform a quick reset and aborts all outstanding commands.
3569 *      This will only perform an FCoE context reset and avoids a full blown
3570 *      chip reset.
3571 *
3572 * Input:
3573 *      ha = adapter block pointer.
3574 *      is_reset_path = flag for identifying the reset path.
3575 *
3576 * Returns:
3577 *      0 = success
3578 */
3579int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha)
3580{
3581        int rval = QLA_FUNCTION_FAILED;
3582
3583        if (vha->flags.online) {
3584                /* Abort all outstanding commands, so as to be requeued later */
3585                qla2x00_abort_isp_cleanup(vha);
3586        }
3587
3588        /* Stop currently executing firmware.
3589         * This will destroy existing FCoE context at the F/W end.
3590         */
3591        qla2x00_try_to_stop_firmware(vha);
3592
3593        /* Restart. Creates a new FCoE context on INIT_FIRMWARE. */
3594        rval = qla82xx_restart_isp(vha);
3595
3596        return rval;
3597}
3598
3599/*
3600 * qla2x00_wait_for_fcoe_ctx_reset
3601 *    Wait till the FCoE context is reset.
3602 *
3603 * Note:
3604 *    Does context switching here.
3605 *    Release SPIN_LOCK (if any) before calling this routine.
3606 *
3607 * Return:
3608 *    Success (fcoe_ctx reset is done) : 0
3609 *    Failed  (fcoe_ctx reset not completed within max loop timout ) : 1
3610 */
3611int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha)
3612{
3613        int status = QLA_FUNCTION_FAILED;
3614        unsigned long wait_reset;
3615
3616        wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
3617        while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3618            test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
3619            && time_before(jiffies, wait_reset)) {
3620
3621                set_current_state(TASK_UNINTERRUPTIBLE);
3622                schedule_timeout(HZ);
3623
3624                if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) &&
3625                    !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
3626                        status = QLA_SUCCESS;
3627                        break;
3628                }
3629        }
3630        ql_dbg(ql_dbg_p3p, vha, 0xb027,
3631               "%s: status=%d.\n", __func__, status);
3632
3633        return status;
3634}
3635
3636void
3637qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha)
3638{
3639        int i, fw_state = 0;
3640        unsigned long flags;
3641        struct qla_hw_data *ha = vha->hw;
3642
3643        /* Check if 82XX firmware is alive or not
3644         * We may have arrived here from NEED_RESET
3645         * detection only
3646         */
3647        if (!ha->flags.isp82xx_fw_hung) {
3648                for (i = 0; i < 2; i++) {
3649                        msleep(1000);
3650                        if (IS_QLA82XX(ha))
3651                                fw_state = qla82xx_check_fw_alive(vha);
3652                        else if (IS_QLA8044(ha))
3653                                fw_state = qla8044_check_fw_alive(vha);
3654                        if (fw_state) {
3655                                ha->flags.isp82xx_fw_hung = 1;
3656                                qla82xx_clear_pending_mbx(vha);
3657                                break;
3658                        }
3659                }
3660        }
3661        ql_dbg(ql_dbg_init, vha, 0x00b0,
3662            "Entered %s fw_hung=%d.\n",
3663            __func__, ha->flags.isp82xx_fw_hung);
3664
3665        /* Abort all commands gracefully if fw NOT hung */
3666        if (!ha->flags.isp82xx_fw_hung) {
3667                int cnt, que;
3668                srb_t *sp;
3669                struct req_que *req;
3670
3671                spin_lock_irqsave(&ha->hardware_lock, flags);
3672                for (que = 0; que < ha->max_req_queues; que++) {
3673                        req = ha->req_q_map[que];
3674                        if (!req)
3675                                continue;
3676                        for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
3677                                sp = req->outstanding_cmds[cnt];
3678                                if (sp) {
3679                                        if ((!sp->u.scmd.ctx ||
3680                                            (sp->flags &
3681                                                SRB_FCP_CMND_DMA_VALID)) &&
3682                                                !ha->flags.isp82xx_fw_hung) {
3683                                                spin_unlock_irqrestore(
3684                                                    &ha->hardware_lock, flags);
3685                                                if (ha->isp_ops->abort_command(sp)) {
3686                                                        ql_log(ql_log_info, vha,
3687                                                            0x00b1,
3688                                                            "mbx abort failed.\n");
3689                                                } else {
3690                                                        ql_log(ql_log_info, vha,
3691                                                            0x00b2,
3692                                                            "mbx abort success.\n");
3693                                                }
3694                                                spin_lock_irqsave(&ha->hardware_lock, flags);
3695                                        }
3696                                }
3697                        }
3698                }
3699                spin_unlock_irqrestore(&ha->hardware_lock, flags);
3700
3701                /* Wait for pending cmds (physical and virtual) to complete */
3702                if (!qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
3703                    WAIT_HOST) == QLA_SUCCESS) {
3704                        ql_dbg(ql_dbg_init, vha, 0x00b3,
3705                            "Done wait for "
3706                            "pending commands.\n");
3707                }
3708        }
3709}
3710
3711/* Minidump related functions */
3712static int
3713qla82xx_minidump_process_control(scsi_qla_host_t *vha,
3714        qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3715{
3716        struct qla_hw_data *ha = vha->hw;
3717        struct qla82xx_md_entry_crb *crb_entry;
3718        uint32_t read_value, opcode, poll_time;
3719        uint32_t addr, index, crb_addr;
3720        unsigned long wtime;
3721        struct qla82xx_md_template_hdr *tmplt_hdr;
3722        uint32_t rval = QLA_SUCCESS;
3723        int i;
3724
3725        tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
3726        crb_entry = (struct qla82xx_md_entry_crb *)entry_hdr;
3727        crb_addr = crb_entry->addr;
3728
3729        for (i = 0; i < crb_entry->op_count; i++) {
3730                opcode = crb_entry->crb_ctrl.opcode;
3731                if (opcode & QLA82XX_DBG_OPCODE_WR) {
3732                        qla82xx_md_rw_32(ha, crb_addr,
3733                            crb_entry->value_1, 1);
3734                        opcode &= ~QLA82XX_DBG_OPCODE_WR;
3735                }
3736
3737                if (opcode & QLA82XX_DBG_OPCODE_RW) {
3738                        read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3739                        qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3740                        opcode &= ~QLA82XX_DBG_OPCODE_RW;
3741                }
3742
3743                if (opcode & QLA82XX_DBG_OPCODE_AND) {
3744                        read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3745                        read_value &= crb_entry->value_2;
3746                        opcode &= ~QLA82XX_DBG_OPCODE_AND;
3747                        if (opcode & QLA82XX_DBG_OPCODE_OR) {
3748                                read_value |= crb_entry->value_3;
3749                                opcode &= ~QLA82XX_DBG_OPCODE_OR;
3750                        }
3751                        qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3752                }
3753
3754                if (opcode & QLA82XX_DBG_OPCODE_OR) {
3755                        read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3756                        read_value |= crb_entry->value_3;
3757                        qla82xx_md_rw_32(ha, crb_addr, read_value, 1);
3758                        opcode &= ~QLA82XX_DBG_OPCODE_OR;
3759                }
3760
3761                if (opcode & QLA82XX_DBG_OPCODE_POLL) {
3762                        poll_time = crb_entry->crb_strd.poll_timeout;
3763                        wtime = jiffies + poll_time;
3764                        read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0);
3765
3766                        do {
3767                                if ((read_value & crb_entry->value_2)
3768                                    == crb_entry->value_1)
3769                                        break;
3770                                else if (time_after_eq(jiffies, wtime)) {
3771                                        /* capturing dump failed */
3772                                        rval = QLA_FUNCTION_FAILED;
3773                                        break;
3774                                } else
3775                                        read_value = qla82xx_md_rw_32(ha,
3776                                            crb_addr, 0, 0);
3777                        } while (1);
3778                        opcode &= ~QLA82XX_DBG_OPCODE_POLL;
3779                }
3780
3781                if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) {
3782                        if (crb_entry->crb_strd.state_index_a) {
3783                                index = crb_entry->crb_strd.state_index_a;
3784                                addr = tmplt_hdr->saved_state_array[index];
3785                        } else
3786                                addr = crb_addr;
3787
3788                        read_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3789                        index = crb_entry->crb_ctrl.state_index_v;
3790                        tmplt_hdr->saved_state_array[index] = read_value;
3791                        opcode &= ~QLA82XX_DBG_OPCODE_RDSTATE;
3792                }
3793
3794                if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) {
3795                        if (crb_entry->crb_strd.state_index_a) {
3796                                index = crb_entry->crb_strd.state_index_a;
3797                                addr = tmplt_hdr->saved_state_array[index];
3798                        } else
3799                                addr = crb_addr;
3800
3801                        if (crb_entry->crb_ctrl.state_index_v) {
3802                                index = crb_entry->crb_ctrl.state_index_v;
3803                                read_value =
3804                                    tmplt_hdr->saved_state_array[index];
3805                        } else
3806                                read_value = crb_entry->value_1;
3807
3808                        qla82xx_md_rw_32(ha, addr, read_value, 1);
3809                        opcode &= ~QLA82XX_DBG_OPCODE_WRSTATE;
3810                }
3811
3812                if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) {
3813                        index = crb_entry->crb_ctrl.state_index_v;
3814                        read_value = tmplt_hdr->saved_state_array[index];
3815                        read_value <<= crb_entry->crb_ctrl.shl;
3816                        read_value >>= crb_entry->crb_ctrl.shr;
3817                        if (crb_entry->value_2)
3818                                read_value &= crb_entry->value_2;
3819                        read_value |= crb_entry->value_3;
3820                        read_value += crb_entry->value_1;
3821                        tmplt_hdr->saved_state_array[index] = read_value;
3822                        opcode &= ~QLA82XX_DBG_OPCODE_MDSTATE;
3823                }
3824                crb_addr += crb_entry->crb_strd.addr_stride;
3825        }
3826        return rval;
3827}
3828
3829static void
3830qla82xx_minidump_process_rdocm(scsi_qla_host_t *vha,
3831        qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3832{
3833        struct qla_hw_data *ha = vha->hw;
3834        uint32_t r_addr, r_stride, loop_cnt, i, r_value;
3835        struct qla82xx_md_entry_rdocm *ocm_hdr;
3836        uint32_t *data_ptr = *d_ptr;
3837
3838        ocm_hdr = (struct qla82xx_md_entry_rdocm *)entry_hdr;
3839        r_addr = ocm_hdr->read_addr;
3840        r_stride = ocm_hdr->read_addr_stride;
3841        loop_cnt = ocm_hdr->op_count;
3842
3843        for (i = 0; i < loop_cnt; i++) {
3844                r_value = RD_REG_DWORD(r_addr + ha->nx_pcibase);
3845                *data_ptr++ = cpu_to_le32(r_value);
3846                r_addr += r_stride;
3847        }
3848        *d_ptr = data_ptr;
3849}
3850
3851static void
3852qla82xx_minidump_process_rdmux(scsi_qla_host_t *vha,
3853        qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3854{
3855        struct qla_hw_data *ha = vha->hw;
3856        uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value;
3857        struct qla82xx_md_entry_mux *mux_hdr;
3858        uint32_t *data_ptr = *d_ptr;
3859
3860        mux_hdr = (struct qla82xx_md_entry_mux *)entry_hdr;
3861        r_addr = mux_hdr->read_addr;
3862        s_addr = mux_hdr->select_addr;
3863        s_stride = mux_hdr->select_value_stride;
3864        s_value = mux_hdr->select_value;
3865        loop_cnt = mux_hdr->op_count;
3866
3867        for (i = 0; i < loop_cnt; i++) {
3868                qla82xx_md_rw_32(ha, s_addr, s_value, 1);
3869                r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
3870                *data_ptr++ = cpu_to_le32(s_value);
3871                *data_ptr++ = cpu_to_le32(r_value);
3872                s_value += s_stride;
3873        }
3874        *d_ptr = data_ptr;
3875}
3876
3877static void
3878qla82xx_minidump_process_rdcrb(scsi_qla_host_t *vha,
3879        qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3880{
3881        struct qla_hw_data *ha = vha->hw;
3882        uint32_t r_addr, r_stride, loop_cnt, i, r_value;
3883        struct qla82xx_md_entry_crb *crb_hdr;
3884        uint32_t *data_ptr = *d_ptr;
3885
3886        crb_hdr = (struct qla82xx_md_entry_crb *)entry_hdr;
3887        r_addr = crb_hdr->addr;
3888        r_stride = crb_hdr->crb_strd.addr_stride;
3889        loop_cnt = crb_hdr->op_count;
3890
3891        for (i = 0; i < loop_cnt; i++) {
3892                r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
3893                *data_ptr++ = cpu_to_le32(r_addr);
3894                *data_ptr++ = cpu_to_le32(r_value);
3895                r_addr += r_stride;
3896        }
3897        *d_ptr = data_ptr;
3898}
3899
3900static int
3901qla82xx_minidump_process_l2tag(scsi_qla_host_t *vha,
3902        qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3903{
3904        struct qla_hw_data *ha = vha->hw;
3905        uint32_t addr, r_addr, c_addr, t_r_addr;
3906        uint32_t i, k, loop_count, t_value, r_cnt, r_value;
3907        unsigned long p_wait, w_time, p_mask;
3908        uint32_t c_value_w, c_value_r;
3909        struct qla82xx_md_entry_cache *cache_hdr;
3910        int rval = QLA_FUNCTION_FAILED;
3911        uint32_t *data_ptr = *d_ptr;
3912
3913        cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr;
3914        loop_count = cache_hdr->op_count;
3915        r_addr = cache_hdr->read_addr;
3916        c_addr = cache_hdr->control_addr;
3917        c_value_w = cache_hdr->cache_ctrl.write_value;
3918
3919        t_r_addr = cache_hdr->tag_reg_addr;
3920        t_value = cache_hdr->addr_ctrl.init_tag_value;
3921        r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
3922        p_wait = cache_hdr->cache_ctrl.poll_wait;
3923        p_mask = cache_hdr->cache_ctrl.poll_mask;
3924
3925        for (i = 0; i < loop_count; i++) {
3926                qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
3927                if (c_value_w)
3928                        qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
3929
3930                if (p_mask) {
3931                        w_time = jiffies + p_wait;
3932                        do {
3933                                c_value_r = qla82xx_md_rw_32(ha, c_addr, 0, 0);
3934                                if ((c_value_r & p_mask) == 0)
3935                                        break;
3936                                else if (time_after_eq(jiffies, w_time)) {
3937                                        /* capturing dump failed */
3938                                        ql_dbg(ql_dbg_p3p, vha, 0xb032,
3939                                            "c_value_r: 0x%x, poll_mask: 0x%lx, "
3940                                            "w_time: 0x%lx\n",
3941                                            c_value_r, p_mask, w_time);
3942                                        return rval;
3943                                }
3944                        } while (1);
3945                }
3946
3947                addr = r_addr;
3948                for (k = 0; k < r_cnt; k++) {
3949                        r_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3950                        *data_ptr++ = cpu_to_le32(r_value);
3951                        addr += cache_hdr->read_ctrl.read_addr_stride;
3952                }
3953                t_value += cache_hdr->addr_ctrl.tag_value_stride;
3954        }
3955        *d_ptr = data_ptr;
3956        return QLA_SUCCESS;
3957}
3958
3959static void
3960qla82xx_minidump_process_l1cache(scsi_qla_host_t *vha,
3961        qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3962{
3963        struct qla_hw_data *ha = vha->hw;
3964        uint32_t addr, r_addr, c_addr, t_r_addr;
3965        uint32_t i, k, loop_count, t_value, r_cnt, r_value;
3966        uint32_t c_value_w;
3967        struct qla82xx_md_entry_cache *cache_hdr;
3968        uint32_t *data_ptr = *d_ptr;
3969
3970        cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr;
3971        loop_count = cache_hdr->op_count;
3972        r_addr = cache_hdr->read_addr;
3973        c_addr = cache_hdr->control_addr;
3974        c_value_w = cache_hdr->cache_ctrl.write_value;
3975
3976        t_r_addr = cache_hdr->tag_reg_addr;
3977        t_value = cache_hdr->addr_ctrl.init_tag_value;
3978        r_cnt = cache_hdr->read_ctrl.read_addr_cnt;
3979
3980        for (i = 0; i < loop_count; i++) {
3981                qla82xx_md_rw_32(ha, t_r_addr, t_value, 1);
3982                qla82xx_md_rw_32(ha, c_addr, c_value_w, 1);
3983                addr = r_addr;
3984                for (k = 0; k < r_cnt; k++) {
3985                        r_value = qla82xx_md_rw_32(ha, addr, 0, 0);
3986                        *data_ptr++ = cpu_to_le32(r_value);
3987                        addr += cache_hdr->read_ctrl.read_addr_stride;
3988                }
3989                t_value += cache_hdr->addr_ctrl.tag_value_stride;
3990        }
3991        *d_ptr = data_ptr;
3992}
3993
3994static void
3995qla82xx_minidump_process_queue(scsi_qla_host_t *vha,
3996        qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
3997{
3998        struct qla_hw_data *ha = vha->hw;
3999        uint32_t s_addr, r_addr;
4000        uint32_t r_stride, r_value, r_cnt, qid = 0;
4001        uint32_t i, k, loop_cnt;
4002        struct qla82xx_md_entry_queue *q_hdr;
4003        uint32_t *data_ptr = *d_ptr;
4004
4005        q_hdr = (struct qla82xx_md_entry_queue *)entry_hdr;
4006        s_addr = q_hdr->select_addr;
4007        r_cnt = q_hdr->rd_strd.read_addr_cnt;
4008        r_stride = q_hdr->rd_strd.read_addr_stride;
4009        loop_cnt = q_hdr->op_count;
4010
4011        for (i = 0; i < loop_cnt; i++) {
4012                qla82xx_md_rw_32(ha, s_addr, qid, 1);
4013                r_addr = q_hdr->read_addr;
4014                for (k = 0; k < r_cnt; k++) {
4015                        r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0);
4016                        *data_ptr++ = cpu_to_le32(r_value);
4017                        r_addr += r_stride;
4018                }
4019                qid += q_hdr->q_strd.queue_id_stride;
4020        }
4021        *d_ptr = data_ptr;
4022}
4023
4024static void
4025qla82xx_minidump_process_rdrom(scsi_qla_host_t *vha,
4026        qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
4027{
4028        struct qla_hw_data *ha = vha->hw;
4029        uint32_t r_addr, r_value;
4030        uint32_t i, loop_cnt;
4031        struct qla82xx_md_entry_rdrom *rom_hdr;
4032        uint32_t *data_ptr = *d_ptr;
4033
4034        rom_hdr = (struct qla82xx_md_entry_rdrom *)entry_hdr;
4035        r_addr = rom_hdr->read_addr;
4036        loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t);
4037
4038        for (i = 0; i < loop_cnt; i++) {
4039                qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW,
4040                    (r_addr & 0xFFFF0000), 1);
4041                r_value = qla82xx_md_rw_32(ha,
4042                    MD_DIRECT_ROM_READ_BASE +
4043                    (r_addr & 0x0000FFFF), 0, 0);
4044                *data_ptr++ = cpu_to_le32(r_value);
4045                r_addr += sizeof(uint32_t);
4046        }
4047        *d_ptr = data_ptr;
4048}
4049
4050static int
4051qla82xx_minidump_process_rdmem(scsi_qla_host_t *vha,
4052        qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr)
4053{
4054        struct qla_hw_data *ha = vha->hw;
4055        uint32_t r_addr, r_value, r_data;
4056        uint32_t i, j, loop_cnt;
4057        struct qla82xx_md_entry_rdmem *m_hdr;
4058        unsigned long flags;
4059        int rval = QLA_FUNCTION_FAILED;
4060        uint32_t *data_ptr = *d_ptr;
4061
4062        m_hdr = (struct qla82xx_md_entry_rdmem *)entry_hdr;
4063        r_addr = m_hdr->read_addr;
4064        loop_cnt = m_hdr->read_data_size/16;
4065
4066        if (r_addr & 0xf) {
4067                ql_log(ql_log_warn, vha, 0xb033,
4068                    "Read addr 0x%x not 16 bytes aligned\n", r_addr);
4069                return rval;
4070        }
4071
4072        if (m_hdr->read_data_size % 16) {
4073                ql_log(ql_log_warn, vha, 0xb034,
4074                    "Read data[0x%x] not multiple of 16 bytes\n",
4075                    m_hdr->read_data_size);
4076                return rval;
4077        }
4078
4079        ql_dbg(ql_dbg_p3p, vha, 0xb035,
4080            "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n",
4081            __func__, r_addr, m_hdr->read_data_size, loop_cnt);
4082
4083        write_lock_irqsave(&ha->hw_lock, flags);
4084        for (i = 0; i < loop_cnt; i++) {
4085                qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_LO, r_addr, 1);
4086                r_value = 0;
4087                qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_HI, r_value, 1);
4088                r_value = MIU_TA_CTL_ENABLE;
4089                qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
4090                r_value = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
4091                qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1);
4092
4093                for (j = 0; j < MAX_CTL_CHECK; j++) {
4094                        r_value = qla82xx_md_rw_32(ha,
4095                            MD_MIU_TEST_AGT_CTRL, 0, 0);
4096                        if ((r_value & MIU_TA_CTL_BUSY) == 0)
4097                                break;
4098                }
4099
4100                if (j >= MAX_CTL_CHECK) {
4101                        printk_ratelimited(KERN_ERR
4102                            "failed to read through agent\n");
4103                        write_unlock_irqrestore(&ha->hw_lock, flags);
4104                        return rval;
4105                }
4106
4107                for (j = 0; j < 4; j++) {
4108                        r_data = qla82xx_md_rw_32(ha,
4109                            MD_MIU_TEST_AGT_RDDATA[j], 0, 0);
4110                        *data_ptr++ = cpu_to_le32(r_data);
4111                }
4112                r_addr += 16;
4113        }
4114        write_unlock_irqrestore(&ha->hw_lock, flags);
4115        *d_ptr = data_ptr;
4116        return QLA_SUCCESS;
4117}
4118
4119int
4120qla82xx_validate_template_chksum(scsi_qla_host_t *vha)
4121{
4122        struct qla_hw_data *ha = vha->hw;
4123        uint64_t chksum = 0;
4124        uint32_t *d_ptr = (uint32_t *)ha->md_tmplt_hdr;
4125        int count = ha->md_template_size/sizeof(uint32_t);
4126
4127        while (count-- > 0)
4128                chksum += *d_ptr++;
4129        while (chksum >> 32)
4130                chksum = (chksum & 0xFFFFFFFF) + (chksum >> 32);
4131        return ~chksum;
4132}
4133
4134static void
4135qla82xx_mark_entry_skipped(scsi_qla_host_t *vha,
4136        qla82xx_md_entry_hdr_t *entry_hdr, int index)
4137{
4138        entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG;
4139        ql_dbg(ql_dbg_p3p, vha, 0xb036,
4140            "Skipping entry[%d]: "
4141            "ETYPE[0x%x]-ELEVEL[0x%x]\n",
4142            index, entry_hdr->entry_type,
4143            entry_hdr->d_ctrl.entry_capture_mask);
4144}
4145
4146int
4147qla82xx_md_collect(scsi_qla_host_t *vha)
4148{
4149        struct qla_hw_data *ha = vha->hw;
4150        int no_entry_hdr = 0;
4151        qla82xx_md_entry_hdr_t *entry_hdr;
4152        struct qla82xx_md_template_hdr *tmplt_hdr;
4153        uint32_t *data_ptr;
4154        uint32_t total_data_size = 0, f_capture_mask, data_collected = 0;
4155        int i = 0, rval = QLA_FUNCTION_FAILED;
4156
4157        tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
4158        data_ptr = (uint32_t *)ha->md_dump;
4159
4160        if (ha->fw_dumped) {
4161                ql_log(ql_log_warn, vha, 0xb037,
4162                    "Firmware has been previously dumped (%p) "
4163                    "-- ignoring request.\n", ha->fw_dump);
4164                goto md_failed;
4165        }
4166
4167        ha->fw_dumped = 0;
4168
4169        if (!ha->md_tmplt_hdr || !ha->md_dump) {
4170                ql_log(ql_log_warn, vha, 0xb038,
4171                    "Memory not allocated for minidump capture\n");
4172                goto md_failed;
4173        }
4174
4175        if (ha->flags.isp82xx_no_md_cap) {
4176                ql_log(ql_log_warn, vha, 0xb054,
4177                    "Forced reset from application, "
4178                    "ignore minidump capture\n");
4179                ha->flags.isp82xx_no_md_cap = 0;
4180                goto md_failed;
4181        }
4182
4183        if (qla82xx_validate_template_chksum(vha)) {
4184                ql_log(ql_log_info, vha, 0xb039,
4185                    "Template checksum validation error\n");
4186                goto md_failed;
4187        }
4188
4189        no_entry_hdr = tmplt_hdr->num_of_entries;
4190        ql_dbg(ql_dbg_p3p, vha, 0xb03a,
4191            "No of entry headers in Template: 0x%x\n", no_entry_hdr);
4192
4193        ql_dbg(ql_dbg_p3p, vha, 0xb03b,
4194            "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level);
4195
4196        f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF;
4197
4198        /* Validate whether required debug level is set */
4199        if ((f_capture_mask & 0x3) != 0x3) {
4200                ql_log(ql_log_warn, vha, 0xb03c,
4201                    "Minimum required capture mask[0x%x] level not set\n",
4202                    f_capture_mask);
4203                goto md_failed;
4204        }
4205        tmplt_hdr->driver_capture_mask = ql2xmdcapmask;
4206
4207        tmplt_hdr->driver_info[0] = vha->host_no;
4208        tmplt_hdr->driver_info[1] = (QLA_DRIVER_MAJOR_VER << 24) |
4209            (QLA_DRIVER_MINOR_VER << 16) | (QLA_DRIVER_PATCH_VER << 8) |
4210            QLA_DRIVER_BETA_VER;
4211
4212        total_data_size = ha->md_dump_size;
4213
4214        ql_dbg(ql_dbg_p3p, vha, 0xb03d,
4215            "Total minidump data_size 0x%x to be captured\n", total_data_size);
4216
4217        /* Check whether template obtained is valid */
4218        if (tmplt_hdr->entry_type != QLA82XX_TLHDR) {
4219                ql_log(ql_log_warn, vha, 0xb04e,
4220                    "Bad template header entry type: 0x%x obtained\n",
4221                    tmplt_hdr->entry_type);
4222                goto md_failed;
4223        }
4224
4225        entry_hdr = (qla82xx_md_entry_hdr_t *) \
4226            (((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset);
4227
4228        /* Walk through the entry headers */
4229        for (i = 0; i < no_entry_hdr; i++) {
4230
4231                if (data_collected > total_data_size) {
4232                        ql_log(ql_log_warn, vha, 0xb03e,
4233                            "More MiniDump data collected: [0x%x]\n",
4234                            data_collected);
4235                        goto md_failed;
4236                }
4237
4238                if (!(entry_hdr->d_ctrl.entry_capture_mask &
4239                    ql2xmdcapmask)) {
4240                        entry_hdr->d_ctrl.driver_flags |=
4241                            QLA82XX_DBG_SKIPPED_FLAG;
4242                        ql_dbg(ql_dbg_p3p, vha, 0xb03f,
4243                            "Skipping entry[%d]: "
4244                            "ETYPE[0x%x]-ELEVEL[0x%x]\n",
4245                            i, entry_hdr->entry_type,
4246                            entry_hdr->d_ctrl.entry_capture_mask);
4247                        goto skip_nxt_entry;
4248                }
4249
4250                ql_dbg(ql_dbg_p3p, vha, 0xb040,
4251                    "[%s]: data ptr[%d]: %p, entry_hdr: %p\n"
4252                    "entry_type: 0x%x, capture_mask: 0x%x\n",
4253                    __func__, i, data_ptr, entry_hdr,
4254                    entry_hdr->entry_type,
4255                    entry_hdr->d_ctrl.entry_capture_mask);
4256
4257                ql_dbg(ql_dbg_p3p, vha, 0xb041,
4258                    "Data collected: [0x%x], Dump size left:[0x%x]\n",
4259                    data_collected, (ha->md_dump_size - data_collected));
4260
4261                /* Decode the entry type and take
4262                 * required action to capture debug data */
4263                switch (entry_hdr->entry_type) {
4264                case QLA82XX_RDEND:
4265                        qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4266                        break;
4267                case QLA82XX_CNTRL:
4268                        rval = qla82xx_minidump_process_control(vha,
4269                            entry_hdr, &data_ptr);
4270                        if (rval != QLA_SUCCESS) {
4271                                qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4272                                goto md_failed;
4273                        }
4274                        break;
4275                case QLA82XX_RDCRB:
4276                        qla82xx_minidump_process_rdcrb(vha,
4277                            entry_hdr, &data_ptr);
4278                        break;
4279                case QLA82XX_RDMEM:
4280                        rval = qla82xx_minidump_process_rdmem(vha,
4281                            entry_hdr, &data_ptr);
4282                        if (rval != QLA_SUCCESS) {
4283                                qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4284                                goto md_failed;
4285                        }
4286                        break;
4287                case QLA82XX_BOARD:
4288                case QLA82XX_RDROM:
4289                        qla82xx_minidump_process_rdrom(vha,
4290                            entry_hdr, &data_ptr);
4291                        break;
4292                case QLA82XX_L2DTG:
4293                case QLA82XX_L2ITG:
4294                case QLA82XX_L2DAT:
4295                case QLA82XX_L2INS:
4296                        rval = qla82xx_minidump_process_l2tag(vha,
4297                            entry_hdr, &data_ptr);
4298                        if (rval != QLA_SUCCESS) {
4299                                qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4300                                goto md_failed;
4301                        }
4302                        break;
4303                case QLA82XX_L1DAT:
4304                case QLA82XX_L1INS:
4305                        qla82xx_minidump_process_l1cache(vha,
4306                            entry_hdr, &data_ptr);
4307                        break;
4308                case QLA82XX_RDOCM:
4309                        qla82xx_minidump_process_rdocm(vha,
4310                            entry_hdr, &data_ptr);
4311                        break;
4312                case QLA82XX_RDMUX:
4313                        qla82xx_minidump_process_rdmux(vha,
4314                            entry_hdr, &data_ptr);
4315                        break;
4316                case QLA82XX_QUEUE:
4317                        qla82xx_minidump_process_queue(vha,
4318                            entry_hdr, &data_ptr);
4319                        break;
4320                case QLA82XX_RDNOP:
4321                default:
4322                        qla82xx_mark_entry_skipped(vha, entry_hdr, i);
4323                        break;
4324                }
4325
4326                ql_dbg(ql_dbg_p3p, vha, 0xb042,
4327                    "[%s]: data ptr[%d]: %p\n", __func__, i, data_ptr);
4328
4329                data_collected = (uint8_t *)data_ptr -
4330                    (uint8_t *)ha->md_dump;
4331skip_nxt_entry:
4332                entry_hdr = (qla82xx_md_entry_hdr_t *) \
4333                    (((uint8_t *)entry_hdr) + entry_hdr->entry_size);
4334        }
4335
4336        if (data_collected != total_data_size) {
4337                ql_dbg(ql_dbg_p3p, vha, 0xb043,
4338                    "MiniDump data mismatch: Data collected: [0x%x],"
4339                    "total_data_size:[0x%x]\n",
4340                    data_collected, total_data_size);
4341                goto md_failed;
4342        }
4343
4344        ql_log(ql_log_info, vha, 0xb044,
4345            "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n",
4346            vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump);
4347        ha->fw_dumped = 1;
4348        qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP);
4349
4350md_failed:
4351        return rval;
4352}
4353
4354int
4355qla82xx_md_alloc(scsi_qla_host_t *vha)
4356{
4357        struct qla_hw_data *ha = vha->hw;
4358        int i, k;
4359        struct qla82xx_md_template_hdr *tmplt_hdr;
4360
4361        tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr;
4362
4363        if (ql2xmdcapmask < 0x3 || ql2xmdcapmask > 0x7F) {
4364                ql2xmdcapmask = tmplt_hdr->capture_debug_level & 0xFF;
4365                ql_log(ql_log_info, vha, 0xb045,
4366                    "Forcing driver capture mask to firmware default capture mask: 0x%x.\n",
4367                    ql2xmdcapmask);
4368        }
4369
4370        for (i = 0x2, k = 1; (i & QLA82XX_DEFAULT_CAP_MASK); i <<= 1, k++) {
4371                if (i & ql2xmdcapmask)
4372                        ha->md_dump_size += tmplt_hdr->capture_size_array[k];
4373        }
4374
4375        if (ha->md_dump) {
4376                ql_log(ql_log_warn, vha, 0xb046,
4377                    "Firmware dump previously allocated.\n");
4378                return 1;
4379        }
4380
4381        ha->md_dump = vmalloc(ha->md_dump_size);
4382        if (ha->md_dump == NULL) {
4383                ql_log(ql_log_warn, vha, 0xb047,
4384                    "Unable to allocate memory for Minidump size "
4385                    "(0x%x).\n", ha->md_dump_size);
4386                return 1;
4387        }
4388        return 0;
4389}
4390
4391void
4392qla82xx_md_free(scsi_qla_host_t *vha)
4393{
4394        struct qla_hw_data *ha = vha->hw;
4395
4396        /* Release the template header allocated */
4397        if (ha->md_tmplt_hdr) {
4398                ql_log(ql_log_info, vha, 0xb048,
4399                    "Free MiniDump template: %p, size (%d KB)\n",
4400                    ha->md_tmplt_hdr, ha->md_template_size / 1024);
4401                dma_free_coherent(&ha->pdev->dev, ha->md_template_size,
4402                    ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
4403                ha->md_tmplt_hdr = NULL;
4404        }
4405
4406        /* Release the template data buffer allocated */
4407        if (ha->md_dump) {
4408                ql_log(ql_log_info, vha, 0xb049,
4409                    "Free MiniDump memory: %p, size (%d KB)\n",
4410                    ha->md_dump, ha->md_dump_size / 1024);
4411                vfree(ha->md_dump);
4412                ha->md_dump_size = 0;
4413                ha->md_dump = NULL;
4414        }
4415}
4416
4417void
4418qla82xx_md_prep(scsi_qla_host_t *vha)
4419{
4420        struct qla_hw_data *ha = vha->hw;
4421        int rval;
4422
4423        /* Get Minidump template size */
4424        rval = qla82xx_md_get_template_size(vha);
4425        if (rval == QLA_SUCCESS) {
4426                ql_log(ql_log_info, vha, 0xb04a,
4427                    "MiniDump Template size obtained (%d KB)\n",
4428                    ha->md_template_size / 1024);
4429
4430                /* Get Minidump template */
4431                if (IS_QLA8044(ha))
4432                        rval = qla8044_md_get_template(vha);
4433                else
4434                        rval = qla82xx_md_get_template(vha);
4435
4436                if (rval == QLA_SUCCESS) {
4437                        ql_dbg(ql_dbg_p3p, vha, 0xb04b,
4438                            "MiniDump Template obtained\n");
4439
4440                        /* Allocate memory for minidump */
4441                        rval = qla82xx_md_alloc(vha);
4442                        if (rval == QLA_SUCCESS)
4443                                ql_log(ql_log_info, vha, 0xb04c,
4444                                    "MiniDump memory allocated (%d KB)\n",
4445                                    ha->md_dump_size / 1024);
4446                        else {
4447                                ql_log(ql_log_info, vha, 0xb04d,
4448                                    "Free MiniDump template: %p, size: (%d KB)\n",
4449                                    ha->md_tmplt_hdr,
4450                                    ha->md_template_size / 1024);
4451                                dma_free_coherent(&ha->pdev->dev,
4452                                    ha->md_template_size,
4453                                    ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma);
4454                                ha->md_tmplt_hdr = NULL;
4455                        }
4456
4457                }
4458        }
4459}
4460
4461int
4462qla82xx_beacon_on(struct scsi_qla_host *vha)
4463{
4464
4465        int rval;
4466        struct qla_hw_data *ha = vha->hw;
4467        qla82xx_idc_lock(ha);
4468        rval = qla82xx_mbx_beacon_ctl(vha, 1);
4469
4470        if (rval) {
4471                ql_log(ql_log_warn, vha, 0xb050,
4472                    "mbx set led config failed in %s\n", __func__);
4473                goto exit;
4474        }
4475        ha->beacon_blink_led = 1;
4476exit:
4477        qla82xx_idc_unlock(ha);
4478        return rval;
4479}
4480
4481int
4482qla82xx_beacon_off(struct scsi_qla_host *vha)
4483{
4484
4485        int rval;
4486        struct qla_hw_data *ha = vha->hw;
4487        qla82xx_idc_lock(ha);
4488        rval = qla82xx_mbx_beacon_ctl(vha, 0);
4489
4490        if (rval) {
4491                ql_log(ql_log_warn, vha, 0xb051,
4492                    "mbx set led config failed in %s\n", __func__);
4493                goto exit;
4494        }
4495        ha->beacon_blink_led = 0;
4496exit:
4497        qla82xx_idc_unlock(ha);
4498        return rval;
4499}
4500
4501void
4502qla82xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
4503{
4504        struct qla_hw_data *ha = vha->hw;
4505
4506        if (!ha->allow_cna_fw_dump)
4507                return;
4508
4509        scsi_block_requests(vha->host);
4510        ha->flags.isp82xx_no_md_cap = 1;
4511        qla82xx_idc_lock(ha);
4512        qla82xx_set_reset_owner(vha);
4513        qla82xx_idc_unlock(ha);
4514        qla2x00_wait_for_chip_reset(vha);
4515        scsi_unblock_requests(vha->host);
4516}
4517