1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * QLogic iSCSI HBA Driver 4 * Copyright (c) 2003-2013 QLogic Corporation 5 */ 6 #include <linux/delay.h> 7 #include <linux/io.h> 8 #include <linux/pci.h> 9 #include <linux/ratelimit.h> 10 #include "ql4_def.h" 11 #include "ql4_glbl.h" 12 #include "ql4_inline.h" 13 14 #include <linux/io-64-nonatomic-lo-hi.h> 15 16 #define TIMEOUT_100_MS 100 17 #define MASK(n) DMA_BIT_MASK(n) 18 #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff)) 19 #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff)) 20 #define MS_WIN(addr) (addr & 0x0ffc0000) 21 #define QLA82XX_PCI_MN_2M (0) 22 #define QLA82XX_PCI_MS_2M (0x80000) 23 #define QLA82XX_PCI_OCM0_2M (0xc0000) 24 #define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800) 25 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) 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 CRB_HI(off) ((qla4_82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \ 32 ((off) & 0xf0000)) 33 #define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL) 34 #define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL) 35 #define CRB_INDIRECT_2M (0x1e0000UL) 36 37 static inline void __iomem * 38 qla4_8xxx_pci_base_offsetfset(struct scsi_qla_host *ha, unsigned long off) 39 { 40 if ((off < ha->first_page_group_end) && 41 (off >= ha->first_page_group_start)) 42 return (void __iomem *)(ha->nx_pcibase + off); 43 44 return NULL; 45 } 46 47 static const int MD_MIU_TEST_AGT_RDDATA[] = { 0x410000A8, 48 0x410000AC, 0x410000B8, 0x410000BC }; 49 #define MAX_CRB_XFORM 60 50 static unsigned long crb_addr_xform[MAX_CRB_XFORM]; 51 static int qla4_8xxx_crb_table_initialized; 52 53 #define qla4_8xxx_crb_addr_transform(name) \ 54 (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \ 55 QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20) 56 static void 57 qla4_82xx_crb_addr_transform_setup(void) 58 { 59 qla4_8xxx_crb_addr_transform(XDMA); 60 qla4_8xxx_crb_addr_transform(TIMR); 61 qla4_8xxx_crb_addr_transform(SRE); 62 qla4_8xxx_crb_addr_transform(SQN3); 63 qla4_8xxx_crb_addr_transform(SQN2); 64 qla4_8xxx_crb_addr_transform(SQN1); 65 qla4_8xxx_crb_addr_transform(SQN0); 66 qla4_8xxx_crb_addr_transform(SQS3); 67 qla4_8xxx_crb_addr_transform(SQS2); 68 qla4_8xxx_crb_addr_transform(SQS1); 69 qla4_8xxx_crb_addr_transform(SQS0); 70 qla4_8xxx_crb_addr_transform(RPMX7); 71 qla4_8xxx_crb_addr_transform(RPMX6); 72 qla4_8xxx_crb_addr_transform(RPMX5); 73 qla4_8xxx_crb_addr_transform(RPMX4); 74 qla4_8xxx_crb_addr_transform(RPMX3); 75 qla4_8xxx_crb_addr_transform(RPMX2); 76 qla4_8xxx_crb_addr_transform(RPMX1); 77 qla4_8xxx_crb_addr_transform(RPMX0); 78 qla4_8xxx_crb_addr_transform(ROMUSB); 79 qla4_8xxx_crb_addr_transform(SN); 80 qla4_8xxx_crb_addr_transform(QMN); 81 qla4_8xxx_crb_addr_transform(QMS); 82 qla4_8xxx_crb_addr_transform(PGNI); 83 qla4_8xxx_crb_addr_transform(PGND); 84 qla4_8xxx_crb_addr_transform(PGN3); 85 qla4_8xxx_crb_addr_transform(PGN2); 86 qla4_8xxx_crb_addr_transform(PGN1); 87 qla4_8xxx_crb_addr_transform(PGN0); 88 qla4_8xxx_crb_addr_transform(PGSI); 89 qla4_8xxx_crb_addr_transform(PGSD); 90 qla4_8xxx_crb_addr_transform(PGS3); 91 qla4_8xxx_crb_addr_transform(PGS2); 92 qla4_8xxx_crb_addr_transform(PGS1); 93 qla4_8xxx_crb_addr_transform(PGS0); 94 qla4_8xxx_crb_addr_transform(PS); 95 qla4_8xxx_crb_addr_transform(PH); 96 qla4_8xxx_crb_addr_transform(NIU); 97 qla4_8xxx_crb_addr_transform(I2Q); 98 qla4_8xxx_crb_addr_transform(EG); 99 qla4_8xxx_crb_addr_transform(MN); 100 qla4_8xxx_crb_addr_transform(MS); 101 qla4_8xxx_crb_addr_transform(CAS2); 102 qla4_8xxx_crb_addr_transform(CAS1); 103 qla4_8xxx_crb_addr_transform(CAS0); 104 qla4_8xxx_crb_addr_transform(CAM); 105 qla4_8xxx_crb_addr_transform(C2C1); 106 qla4_8xxx_crb_addr_transform(C2C0); 107 qla4_8xxx_crb_addr_transform(SMB); 108 qla4_8xxx_crb_addr_transform(OCM0); 109 qla4_8xxx_crb_addr_transform(I2C0); 110 111 qla4_8xxx_crb_table_initialized = 1; 112 } 113 114 static struct crb_128M_2M_block_map crb_128M_2M_map[64] = { 115 {{{0, 0, 0, 0} } }, /* 0: PCI */ 116 {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */ 117 {1, 0x0110000, 0x0120000, 0x130000}, 118 {1, 0x0120000, 0x0122000, 0x124000}, 119 {1, 0x0130000, 0x0132000, 0x126000}, 120 {1, 0x0140000, 0x0142000, 0x128000}, 121 {1, 0x0150000, 0x0152000, 0x12a000}, 122 {1, 0x0160000, 0x0170000, 0x110000}, 123 {1, 0x0170000, 0x0172000, 0x12e000}, 124 {0, 0x0000000, 0x0000000, 0x000000}, 125 {0, 0x0000000, 0x0000000, 0x000000}, 126 {0, 0x0000000, 0x0000000, 0x000000}, 127 {0, 0x0000000, 0x0000000, 0x000000}, 128 {0, 0x0000000, 0x0000000, 0x000000}, 129 {0, 0x0000000, 0x0000000, 0x000000}, 130 {1, 0x01e0000, 0x01e0800, 0x122000}, 131 {0, 0x0000000, 0x0000000, 0x000000} } }, 132 {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */ 133 {{{0, 0, 0, 0} } }, /* 3: */ 134 {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */ 135 {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */ 136 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */ 137 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */ 138 {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */ 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 {0, 0x0000000, 0x0000000, 0x000000}, 150 {0, 0x0000000, 0x0000000, 0x000000}, 151 {0, 0x0000000, 0x0000000, 0x000000}, 152 {0, 0x0000000, 0x0000000, 0x000000}, 153 {1, 0x08f0000, 0x08f2000, 0x172000} } }, 154 {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/ 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 {0, 0x0000000, 0x0000000, 0x000000}, 166 {0, 0x0000000, 0x0000000, 0x000000}, 167 {0, 0x0000000, 0x0000000, 0x000000}, 168 {0, 0x0000000, 0x0000000, 0x000000}, 169 {1, 0x09f0000, 0x09f2000, 0x176000} } }, 170 {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/ 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 {0, 0x0000000, 0x0000000, 0x000000}, 182 {0, 0x0000000, 0x0000000, 0x000000}, 183 {0, 0x0000000, 0x0000000, 0x000000}, 184 {0, 0x0000000, 0x0000000, 0x000000}, 185 {1, 0x0af0000, 0x0af2000, 0x17a000} } }, 186 {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/ 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 {0, 0x0000000, 0x0000000, 0x000000}, 198 {0, 0x0000000, 0x0000000, 0x000000}, 199 {0, 0x0000000, 0x0000000, 0x000000}, 200 {0, 0x0000000, 0x0000000, 0x000000}, 201 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, 202 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */ 203 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */ 204 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */ 205 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */ 206 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */ 207 {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */ 208 {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */ 209 {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */ 210 {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */ 211 {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */ 212 {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */ 213 {{{0, 0, 0, 0} } }, /* 23: */ 214 {{{0, 0, 0, 0} } }, /* 24: */ 215 {{{0, 0, 0, 0} } }, /* 25: */ 216 {{{0, 0, 0, 0} } }, /* 26: */ 217 {{{0, 0, 0, 0} } }, /* 27: */ 218 {{{0, 0, 0, 0} } }, /* 28: */ 219 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */ 220 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */ 221 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */ 222 {{{0} } }, /* 32: PCI */ 223 {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */ 224 {1, 0x2110000, 0x2120000, 0x130000}, 225 {1, 0x2120000, 0x2122000, 0x124000}, 226 {1, 0x2130000, 0x2132000, 0x126000}, 227 {1, 0x2140000, 0x2142000, 0x128000}, 228 {1, 0x2150000, 0x2152000, 0x12a000}, 229 {1, 0x2160000, 0x2170000, 0x110000}, 230 {1, 0x2170000, 0x2172000, 0x12e000}, 231 {0, 0x0000000, 0x0000000, 0x000000}, 232 {0, 0x0000000, 0x0000000, 0x000000}, 233 {0, 0x0000000, 0x0000000, 0x000000}, 234 {0, 0x0000000, 0x0000000, 0x000000}, 235 {0, 0x0000000, 0x0000000, 0x000000}, 236 {0, 0x0000000, 0x0000000, 0x000000}, 237 {0, 0x0000000, 0x0000000, 0x000000}, 238 {0, 0x0000000, 0x0000000, 0x000000} } }, 239 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */ 240 {{{0} } }, /* 35: */ 241 {{{0} } }, /* 36: */ 242 {{{0} } }, /* 37: */ 243 {{{0} } }, /* 38: */ 244 {{{0} } }, /* 39: */ 245 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */ 246 {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */ 247 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */ 248 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */ 249 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */ 250 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */ 251 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */ 252 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */ 253 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */ 254 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */ 255 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */ 256 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */ 257 {{{0} } }, /* 52: */ 258 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */ 259 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */ 260 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */ 261 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */ 262 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */ 263 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */ 264 {{{0} } }, /* 59: I2C0 */ 265 {{{0} } }, /* 60: I2C1 */ 266 {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } },/* 61: LPC */ 267 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */ 268 {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */ 269 }; 270 271 /* 272 * top 12 bits of crb internal address (hub, agent) 273 */ 274 static unsigned qla4_82xx_crb_hub_agt[64] = { 275 0, 276 QLA82XX_HW_CRB_HUB_AGT_ADR_PS, 277 QLA82XX_HW_CRB_HUB_AGT_ADR_MN, 278 QLA82XX_HW_CRB_HUB_AGT_ADR_MS, 279 0, 280 QLA82XX_HW_CRB_HUB_AGT_ADR_SRE, 281 QLA82XX_HW_CRB_HUB_AGT_ADR_NIU, 282 QLA82XX_HW_CRB_HUB_AGT_ADR_QMN, 283 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0, 284 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1, 285 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2, 286 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3, 287 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q, 288 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR, 289 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB, 290 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4, 291 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA, 292 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0, 293 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1, 294 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2, 295 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3, 296 QLA82XX_HW_CRB_HUB_AGT_ADR_PGND, 297 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI, 298 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0, 299 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1, 300 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2, 301 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3, 302 0, 303 QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI, 304 QLA82XX_HW_CRB_HUB_AGT_ADR_SN, 305 0, 306 QLA82XX_HW_CRB_HUB_AGT_ADR_EG, 307 0, 308 QLA82XX_HW_CRB_HUB_AGT_ADR_PS, 309 QLA82XX_HW_CRB_HUB_AGT_ADR_CAM, 310 0, 311 0, 312 0, 313 0, 314 0, 315 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR, 316 0, 317 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1, 318 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2, 319 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3, 320 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4, 321 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5, 322 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6, 323 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7, 324 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA, 325 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q, 326 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB, 327 0, 328 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0, 329 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8, 330 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9, 331 QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0, 332 0, 333 QLA82XX_HW_CRB_HUB_AGT_ADR_SMB, 334 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0, 335 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1, 336 0, 337 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC, 338 0, 339 }; 340 341 /* Device states */ 342 static char *qdev_state[] = { 343 "Unknown", 344 "Cold", 345 "Initializing", 346 "Ready", 347 "Need Reset", 348 "Need Quiescent", 349 "Failed", 350 "Quiescent", 351 }; 352 353 /* 354 * In: 'off' is offset from CRB space in 128M pci map 355 * Out: 'off' is 2M pci map addr 356 * side effect: lock crb window 357 */ 358 static void 359 qla4_82xx_pci_set_crbwindow_2M(struct scsi_qla_host *ha, ulong *off) 360 { 361 u32 win_read; 362 363 ha->crb_win = CRB_HI(*off); 364 writel(ha->crb_win, 365 (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); 366 367 /* Read back value to make sure write has gone through before trying 368 * to use it. */ 369 win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); 370 if (win_read != ha->crb_win) { 371 DEBUG2(ql4_printk(KERN_INFO, ha, 372 "%s: Written crbwin (0x%x) != Read crbwin (0x%x)," 373 " off=0x%lx\n", __func__, ha->crb_win, win_read, *off)); 374 } 375 *off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase; 376 } 377 378 #define CRB_WIN_LOCK_TIMEOUT 100000000 379 380 /* 381 * Context: atomic 382 */ 383 static int qla4_82xx_crb_win_lock(struct scsi_qla_host *ha) 384 { 385 int done = 0, timeout = 0; 386 387 while (!done) { 388 /* acquire semaphore3 from PCI HW block */ 389 done = qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK)); 390 if (done == 1) 391 break; 392 if (timeout >= CRB_WIN_LOCK_TIMEOUT) 393 return -1; 394 395 timeout++; 396 udelay(10); 397 } 398 qla4_82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->func_num); 399 return 0; 400 } 401 402 void qla4_82xx_crb_win_unlock(struct scsi_qla_host *ha) 403 { 404 qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK)); 405 } 406 407 void 408 qla4_82xx_wr_32(struct scsi_qla_host *ha, ulong off, u32 data) 409 { 410 unsigned long flags = 0; 411 int rv; 412 413 rv = qla4_82xx_pci_get_crb_addr_2M(ha, &off); 414 415 BUG_ON(rv == -1); 416 417 if (rv == 1) { 418 write_lock_irqsave(&ha->hw_lock, flags); 419 qla4_82xx_crb_win_lock(ha); 420 qla4_82xx_pci_set_crbwindow_2M(ha, &off); 421 } 422 423 writel(data, (void __iomem *)off); 424 425 if (rv == 1) { 426 qla4_82xx_crb_win_unlock(ha); 427 write_unlock_irqrestore(&ha->hw_lock, flags); 428 } 429 } 430 431 uint32_t qla4_82xx_rd_32(struct scsi_qla_host *ha, ulong off) 432 { 433 unsigned long flags = 0; 434 int rv; 435 u32 data; 436 437 rv = qla4_82xx_pci_get_crb_addr_2M(ha, &off); 438 439 BUG_ON(rv == -1); 440 441 if (rv == 1) { 442 write_lock_irqsave(&ha->hw_lock, flags); 443 qla4_82xx_crb_win_lock(ha); 444 qla4_82xx_pci_set_crbwindow_2M(ha, &off); 445 } 446 data = readl((void __iomem *)off); 447 448 if (rv == 1) { 449 qla4_82xx_crb_win_unlock(ha); 450 write_unlock_irqrestore(&ha->hw_lock, flags); 451 } 452 return data; 453 } 454 455 /* Minidump related functions */ 456 int qla4_82xx_md_rd_32(struct scsi_qla_host *ha, uint32_t off, uint32_t *data) 457 { 458 uint32_t win_read, off_value; 459 int rval = QLA_SUCCESS; 460 461 off_value = off & 0xFFFF0000; 462 writel(off_value, (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); 463 464 /* 465 * Read back value to make sure write has gone through before trying 466 * to use it. 467 */ 468 win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); 469 if (win_read != off_value) { 470 DEBUG2(ql4_printk(KERN_INFO, ha, 471 "%s: Written (0x%x) != Read (0x%x), off=0x%x\n", 472 __func__, off_value, win_read, off)); 473 rval = QLA_ERROR; 474 } else { 475 off_value = off & 0x0000FFFF; 476 *data = readl((void __iomem *)(off_value + CRB_INDIRECT_2M + 477 ha->nx_pcibase)); 478 } 479 return rval; 480 } 481 482 int qla4_82xx_md_wr_32(struct scsi_qla_host *ha, uint32_t off, uint32_t data) 483 { 484 uint32_t win_read, off_value; 485 int rval = QLA_SUCCESS; 486 487 off_value = off & 0xFFFF0000; 488 writel(off_value, (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); 489 490 /* Read back value to make sure write has gone through before trying 491 * to use it. 492 */ 493 win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); 494 if (win_read != off_value) { 495 DEBUG2(ql4_printk(KERN_INFO, ha, 496 "%s: Written (0x%x) != Read (0x%x), off=0x%x\n", 497 __func__, off_value, win_read, off)); 498 rval = QLA_ERROR; 499 } else { 500 off_value = off & 0x0000FFFF; 501 writel(data, (void __iomem *)(off_value + CRB_INDIRECT_2M + 502 ha->nx_pcibase)); 503 } 504 return rval; 505 } 506 507 #define IDC_LOCK_TIMEOUT 100000000 508 509 /** 510 * qla4_82xx_idc_lock - hw_lock 511 * @ha: pointer to adapter structure 512 * 513 * General purpose lock used to synchronize access to 514 * CRB_DEV_STATE, CRB_DEV_REF_COUNT, etc. 515 * 516 * Context: task, can sleep 517 **/ 518 int qla4_82xx_idc_lock(struct scsi_qla_host *ha) 519 { 520 int done = 0, timeout = 0; 521 522 might_sleep(); 523 524 while (!done) { 525 /* acquire semaphore5 from PCI HW block */ 526 done = qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK)); 527 if (done == 1) 528 break; 529 if (timeout >= IDC_LOCK_TIMEOUT) 530 return -1; 531 532 timeout++; 533 msleep(100); 534 } 535 return 0; 536 } 537 538 void qla4_82xx_idc_unlock(struct scsi_qla_host *ha) 539 { 540 qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK)); 541 } 542 543 int 544 qla4_82xx_pci_get_crb_addr_2M(struct scsi_qla_host *ha, ulong *off) 545 { 546 struct crb_128M_2M_sub_block_map *m; 547 548 if (*off >= QLA82XX_CRB_MAX) 549 return -1; 550 551 if (*off >= QLA82XX_PCI_CAMQM && (*off < QLA82XX_PCI_CAMQM_2M_END)) { 552 *off = (*off - QLA82XX_PCI_CAMQM) + 553 QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase; 554 return 0; 555 } 556 557 if (*off < QLA82XX_PCI_CRBSPACE) 558 return -1; 559 560 *off -= QLA82XX_PCI_CRBSPACE; 561 /* 562 * Try direct map 563 */ 564 565 m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)]; 566 567 if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) { 568 *off = *off + m->start_2M - m->start_128M + ha->nx_pcibase; 569 return 0; 570 } 571 572 /* 573 * Not in direct map, use crb window 574 */ 575 return 1; 576 } 577 578 /* 579 * check memory access boundary. 580 * used by test agent. support ddr access only for now 581 */ 582 static unsigned long 583 qla4_82xx_pci_mem_bound_check(struct scsi_qla_host *ha, 584 unsigned long long addr, int size) 585 { 586 if (!QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_DDR_NET, 587 QLA8XXX_ADDR_DDR_NET_MAX) || 588 !QLA8XXX_ADDR_IN_RANGE(addr + size - 1, 589 QLA8XXX_ADDR_DDR_NET, QLA8XXX_ADDR_DDR_NET_MAX) || 590 ((size != 1) && (size != 2) && (size != 4) && (size != 8))) { 591 return 0; 592 } 593 return 1; 594 } 595 596 static int qla4_82xx_pci_set_window_warning_count; 597 598 static unsigned long 599 qla4_82xx_pci_set_window(struct scsi_qla_host *ha, unsigned long long addr) 600 { 601 int window; 602 u32 win_read; 603 604 if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_DDR_NET, 605 QLA8XXX_ADDR_DDR_NET_MAX)) { 606 /* DDR network side */ 607 window = MN_WIN(addr); 608 ha->ddr_mn_window = window; 609 qla4_82xx_wr_32(ha, ha->mn_win_crb | 610 QLA82XX_PCI_CRBSPACE, window); 611 win_read = qla4_82xx_rd_32(ha, ha->mn_win_crb | 612 QLA82XX_PCI_CRBSPACE); 613 if ((win_read << 17) != window) { 614 ql4_printk(KERN_WARNING, ha, 615 "%s: Written MNwin (0x%x) != Read MNwin (0x%x)\n", 616 __func__, window, win_read); 617 } 618 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET; 619 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_OCM0, 620 QLA8XXX_ADDR_OCM0_MAX)) { 621 unsigned int temp1; 622 /* if bits 19:18&17:11 are on */ 623 if ((addr & 0x00ff800) == 0xff800) { 624 printk("%s: QM access not handled.\n", __func__); 625 addr = -1UL; 626 } 627 628 window = OCM_WIN(addr); 629 ha->ddr_mn_window = window; 630 qla4_82xx_wr_32(ha, ha->mn_win_crb | 631 QLA82XX_PCI_CRBSPACE, window); 632 win_read = qla4_82xx_rd_32(ha, ha->mn_win_crb | 633 QLA82XX_PCI_CRBSPACE); 634 temp1 = ((window & 0x1FF) << 7) | 635 ((window & 0x0FFFE0000) >> 17); 636 if (win_read != temp1) { 637 printk("%s: Written OCMwin (0x%x) != Read" 638 " OCMwin (0x%x)\n", __func__, temp1, win_read); 639 } 640 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M; 641 642 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_QDR_NET, 643 QLA82XX_P3_ADDR_QDR_NET_MAX)) { 644 /* QDR network side */ 645 window = MS_WIN(addr); 646 ha->qdr_sn_window = window; 647 qla4_82xx_wr_32(ha, ha->ms_win_crb | 648 QLA82XX_PCI_CRBSPACE, window); 649 win_read = qla4_82xx_rd_32(ha, 650 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE); 651 if (win_read != window) { 652 printk("%s: Written MSwin (0x%x) != Read " 653 "MSwin (0x%x)\n", __func__, window, win_read); 654 } 655 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET; 656 657 } else { 658 /* 659 * peg gdb frequently accesses memory that doesn't exist, 660 * this limits the chit chat so debugging isn't slowed down. 661 */ 662 if ((qla4_82xx_pci_set_window_warning_count++ < 8) || 663 (qla4_82xx_pci_set_window_warning_count%64 == 0)) { 664 printk("%s: Warning:%s Unknown address range!\n", 665 __func__, DRIVER_NAME); 666 } 667 addr = -1UL; 668 } 669 return addr; 670 } 671 672 /* check if address is in the same windows as the previous access */ 673 static int qla4_82xx_pci_is_same_window(struct scsi_qla_host *ha, 674 unsigned long long addr) 675 { 676 int window; 677 unsigned long long qdr_max; 678 679 qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX; 680 681 if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_DDR_NET, 682 QLA8XXX_ADDR_DDR_NET_MAX)) { 683 /* DDR network side */ 684 BUG(); /* MN access can not come here */ 685 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_OCM0, 686 QLA8XXX_ADDR_OCM0_MAX)) { 687 return 1; 688 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_OCM1, 689 QLA8XXX_ADDR_OCM1_MAX)) { 690 return 1; 691 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_QDR_NET, 692 qdr_max)) { 693 /* QDR network side */ 694 window = ((addr - QLA8XXX_ADDR_QDR_NET) >> 22) & 0x3f; 695 if (ha->qdr_sn_window == window) 696 return 1; 697 } 698 699 return 0; 700 } 701 702 static int qla4_82xx_pci_mem_read_direct(struct scsi_qla_host *ha, 703 u64 off, void *data, int size) 704 { 705 unsigned long flags; 706 void __iomem *addr; 707 int ret = 0; 708 u64 start; 709 void __iomem *mem_ptr = NULL; 710 unsigned long mem_base; 711 unsigned long mem_page; 712 713 write_lock_irqsave(&ha->hw_lock, flags); 714 715 /* 716 * If attempting to access unknown address or straddle hw windows, 717 * do not access. 718 */ 719 start = qla4_82xx_pci_set_window(ha, off); 720 if ((start == -1UL) || 721 (qla4_82xx_pci_is_same_window(ha, off + size - 1) == 0)) { 722 write_unlock_irqrestore(&ha->hw_lock, flags); 723 printk(KERN_ERR"%s out of bound pci memory access. " 724 "offset is 0x%llx\n", DRIVER_NAME, off); 725 return -1; 726 } 727 728 addr = qla4_8xxx_pci_base_offsetfset(ha, start); 729 if (!addr) { 730 write_unlock_irqrestore(&ha->hw_lock, flags); 731 mem_base = pci_resource_start(ha->pdev, 0); 732 mem_page = start & PAGE_MASK; 733 /* Map two pages whenever user tries to access addresses in two 734 consecutive pages. 735 */ 736 if (mem_page != ((start + size - 1) & PAGE_MASK)) 737 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2); 738 else 739 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); 740 741 if (mem_ptr == NULL) { 742 *(u8 *)data = 0; 743 return -1; 744 } 745 addr = mem_ptr; 746 addr += start & (PAGE_SIZE - 1); 747 write_lock_irqsave(&ha->hw_lock, flags); 748 } 749 750 switch (size) { 751 case 1: 752 *(u8 *)data = readb(addr); 753 break; 754 case 2: 755 *(u16 *)data = readw(addr); 756 break; 757 case 4: 758 *(u32 *)data = readl(addr); 759 break; 760 case 8: 761 *(u64 *)data = readq(addr); 762 break; 763 default: 764 ret = -1; 765 break; 766 } 767 write_unlock_irqrestore(&ha->hw_lock, flags); 768 769 if (mem_ptr) 770 iounmap(mem_ptr); 771 return ret; 772 } 773 774 static int 775 qla4_82xx_pci_mem_write_direct(struct scsi_qla_host *ha, u64 off, 776 void *data, int size) 777 { 778 unsigned long flags; 779 void __iomem *addr; 780 int ret = 0; 781 u64 start; 782 void __iomem *mem_ptr = NULL; 783 unsigned long mem_base; 784 unsigned long mem_page; 785 786 write_lock_irqsave(&ha->hw_lock, flags); 787 788 /* 789 * If attempting to access unknown address or straddle hw windows, 790 * do not access. 791 */ 792 start = qla4_82xx_pci_set_window(ha, off); 793 if ((start == -1UL) || 794 (qla4_82xx_pci_is_same_window(ha, off + size - 1) == 0)) { 795 write_unlock_irqrestore(&ha->hw_lock, flags); 796 printk(KERN_ERR"%s out of bound pci memory access. " 797 "offset is 0x%llx\n", DRIVER_NAME, off); 798 return -1; 799 } 800 801 addr = qla4_8xxx_pci_base_offsetfset(ha, start); 802 if (!addr) { 803 write_unlock_irqrestore(&ha->hw_lock, flags); 804 mem_base = pci_resource_start(ha->pdev, 0); 805 mem_page = start & PAGE_MASK; 806 /* Map two pages whenever user tries to access addresses in two 807 consecutive pages. 808 */ 809 if (mem_page != ((start + size - 1) & PAGE_MASK)) 810 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2); 811 else 812 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); 813 if (mem_ptr == NULL) 814 return -1; 815 816 addr = mem_ptr; 817 addr += start & (PAGE_SIZE - 1); 818 write_lock_irqsave(&ha->hw_lock, flags); 819 } 820 821 switch (size) { 822 case 1: 823 writeb(*(u8 *)data, addr); 824 break; 825 case 2: 826 writew(*(u16 *)data, addr); 827 break; 828 case 4: 829 writel(*(u32 *)data, addr); 830 break; 831 case 8: 832 writeq(*(u64 *)data, addr); 833 break; 834 default: 835 ret = -1; 836 break; 837 } 838 write_unlock_irqrestore(&ha->hw_lock, flags); 839 if (mem_ptr) 840 iounmap(mem_ptr); 841 return ret; 842 } 843 844 #define MTU_FUDGE_FACTOR 100 845 846 static unsigned long 847 qla4_82xx_decode_crb_addr(unsigned long addr) 848 { 849 int i; 850 unsigned long base_addr, offset, pci_base; 851 852 if (!qla4_8xxx_crb_table_initialized) 853 qla4_82xx_crb_addr_transform_setup(); 854 855 pci_base = ADDR_ERROR; 856 base_addr = addr & 0xfff00000; 857 offset = addr & 0x000fffff; 858 859 for (i = 0; i < MAX_CRB_XFORM; i++) { 860 if (crb_addr_xform[i] == base_addr) { 861 pci_base = i << 20; 862 break; 863 } 864 } 865 if (pci_base == ADDR_ERROR) 866 return pci_base; 867 else 868 return pci_base + offset; 869 } 870 871 static long rom_max_timeout = 100; 872 static long qla4_82xx_rom_lock_timeout = 100; 873 874 /* 875 * Context: task, can_sleep 876 */ 877 static int 878 qla4_82xx_rom_lock(struct scsi_qla_host *ha) 879 { 880 int done = 0, timeout = 0; 881 882 might_sleep(); 883 884 while (!done) { 885 /* acquire semaphore2 from PCI HW block */ 886 done = qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK)); 887 if (done == 1) 888 break; 889 if (timeout >= qla4_82xx_rom_lock_timeout) 890 return -1; 891 892 timeout++; 893 msleep(20); 894 } 895 qla4_82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER); 896 return 0; 897 } 898 899 static void 900 qla4_82xx_rom_unlock(struct scsi_qla_host *ha) 901 { 902 qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); 903 } 904 905 static int 906 qla4_82xx_wait_rom_done(struct scsi_qla_host *ha) 907 { 908 long timeout = 0; 909 long done = 0 ; 910 911 while (done == 0) { 912 done = qla4_82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS); 913 done &= 2; 914 timeout++; 915 if (timeout >= rom_max_timeout) { 916 printk("%s: Timeout reached waiting for rom done", 917 DRIVER_NAME); 918 return -1; 919 } 920 } 921 return 0; 922 } 923 924 static int 925 qla4_82xx_do_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp) 926 { 927 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr); 928 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); 929 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); 930 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0xb); 931 if (qla4_82xx_wait_rom_done(ha)) { 932 printk("%s: Error waiting for rom done\n", DRIVER_NAME); 933 return -1; 934 } 935 /* reset abyte_cnt and dummy_byte_cnt */ 936 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); 937 udelay(10); 938 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); 939 940 *valp = qla4_82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA); 941 return 0; 942 } 943 944 static int 945 qla4_82xx_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp) 946 { 947 int ret, loops = 0; 948 949 while ((qla4_82xx_rom_lock(ha) != 0) && (loops < 50000)) { 950 udelay(100); 951 loops++; 952 } 953 if (loops >= 50000) { 954 ql4_printk(KERN_WARNING, ha, "%s: qla4_82xx_rom_lock failed\n", 955 DRIVER_NAME); 956 return -1; 957 } 958 ret = qla4_82xx_do_rom_fast_read(ha, addr, valp); 959 qla4_82xx_rom_unlock(ha); 960 return ret; 961 } 962 963 /* 964 * This routine does CRB initialize sequence 965 * to put the ISP into operational state 966 */ 967 static int 968 qla4_82xx_pinit_from_rom(struct scsi_qla_host *ha, int verbose) 969 { 970 int addr, val; 971 int i ; 972 struct crb_addr_pair *buf; 973 unsigned long off; 974 unsigned offset, n; 975 976 struct crb_addr_pair { 977 long addr; 978 long data; 979 }; 980 981 /* Halt all the indiviual PEGs and other blocks of the ISP */ 982 qla4_82xx_rom_lock(ha); 983 984 /* disable all I2Q */ 985 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x10, 0x0); 986 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x14, 0x0); 987 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x18, 0x0); 988 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x1c, 0x0); 989 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x20, 0x0); 990 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x24, 0x0); 991 992 /* disable all niu interrupts */ 993 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff); 994 /* disable xge rx/tx */ 995 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00); 996 /* disable xg1 rx/tx */ 997 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00); 998 /* disable sideband mac */ 999 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x90000, 0x00); 1000 /* disable ap0 mac */ 1001 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xa0000, 0x00); 1002 /* disable ap1 mac */ 1003 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xb0000, 0x00); 1004 1005 /* halt sre */ 1006 val = qla4_82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000); 1007 qla4_82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1))); 1008 1009 /* halt epg */ 1010 qla4_82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1); 1011 1012 /* halt timers */ 1013 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0); 1014 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0); 1015 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0); 1016 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0); 1017 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0); 1018 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x200, 0x0); 1019 1020 /* halt pegs */ 1021 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1); 1022 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1); 1023 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1); 1024 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1); 1025 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1); 1026 msleep(5); 1027 1028 /* big hammer */ 1029 if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 1030 /* don't reset CAM block on reset */ 1031 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff); 1032 else 1033 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff); 1034 1035 qla4_82xx_rom_unlock(ha); 1036 1037 /* Read the signature value from the flash. 1038 * Offset 0: Contain signature (0xcafecafe) 1039 * Offset 4: Offset and number of addr/value pairs 1040 * that present in CRB initialize sequence 1041 */ 1042 if (qla4_82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL || 1043 qla4_82xx_rom_fast_read(ha, 4, &n) != 0) { 1044 ql4_printk(KERN_WARNING, ha, 1045 "[ERROR] Reading crb_init area: n: %08x\n", n); 1046 return -1; 1047 } 1048 1049 /* Offset in flash = lower 16 bits 1050 * Number of enteries = upper 16 bits 1051 */ 1052 offset = n & 0xffffU; 1053 n = (n >> 16) & 0xffffU; 1054 1055 /* number of addr/value pair should not exceed 1024 enteries */ 1056 if (n >= 1024) { 1057 ql4_printk(KERN_WARNING, ha, 1058 "%s: %s:n=0x%x [ERROR] Card flash not initialized.\n", 1059 DRIVER_NAME, __func__, n); 1060 return -1; 1061 } 1062 1063 ql4_printk(KERN_INFO, ha, 1064 "%s: %d CRB init values found in ROM.\n", DRIVER_NAME, n); 1065 1066 buf = kmalloc_array(n, sizeof(struct crb_addr_pair), GFP_KERNEL); 1067 if (buf == NULL) { 1068 ql4_printk(KERN_WARNING, ha, 1069 "%s: [ERROR] Unable to malloc memory.\n", DRIVER_NAME); 1070 return -1; 1071 } 1072 1073 for (i = 0; i < n; i++) { 1074 if (qla4_82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 || 1075 qla4_82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 1076 0) { 1077 kfree(buf); 1078 return -1; 1079 } 1080 1081 buf[i].addr = addr; 1082 buf[i].data = val; 1083 } 1084 1085 for (i = 0; i < n; i++) { 1086 /* Translate internal CRB initialization 1087 * address to PCI bus address 1088 */ 1089 off = qla4_82xx_decode_crb_addr((unsigned long)buf[i].addr) + 1090 QLA82XX_PCI_CRBSPACE; 1091 /* Not all CRB addr/value pair to be written, 1092 * some of them are skipped 1093 */ 1094 1095 /* skip if LS bit is set*/ 1096 if (off & 0x1) { 1097 DEBUG2(ql4_printk(KERN_WARNING, ha, 1098 "Skip CRB init replay for offset = 0x%lx\n", off)); 1099 continue; 1100 } 1101 1102 /* skipping cold reboot MAGIC */ 1103 if (off == QLA82XX_CAM_RAM(0x1fc)) 1104 continue; 1105 1106 /* do not reset PCI */ 1107 if (off == (ROMUSB_GLB + 0xbc)) 1108 continue; 1109 1110 /* skip core clock, so that firmware can increase the clock */ 1111 if (off == (ROMUSB_GLB + 0xc8)) 1112 continue; 1113 1114 /* skip the function enable register */ 1115 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION)) 1116 continue; 1117 1118 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2)) 1119 continue; 1120 1121 if ((off & 0x0ff00000) == QLA82XX_CRB_SMB) 1122 continue; 1123 1124 if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET) 1125 continue; 1126 1127 if (off == ADDR_ERROR) { 1128 ql4_printk(KERN_WARNING, ha, 1129 "%s: [ERROR] Unknown addr: 0x%08lx\n", 1130 DRIVER_NAME, buf[i].addr); 1131 continue; 1132 } 1133 1134 qla4_82xx_wr_32(ha, off, buf[i].data); 1135 1136 /* ISP requires much bigger delay to settle down, 1137 * else crb_window returns 0xffffffff 1138 */ 1139 if (off == QLA82XX_ROMUSB_GLB_SW_RESET) 1140 msleep(1000); 1141 1142 /* ISP requires millisec delay between 1143 * successive CRB register updation 1144 */ 1145 msleep(1); 1146 } 1147 1148 kfree(buf); 1149 1150 /* Resetting the data and instruction cache */ 1151 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e); 1152 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8); 1153 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8); 1154 1155 /* Clear all protocol processing engines */ 1156 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0); 1157 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0); 1158 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0); 1159 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0); 1160 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0); 1161 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0); 1162 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0); 1163 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0); 1164 1165 return 0; 1166 } 1167 1168 /** 1169 * qla4_8xxx_ms_mem_write_128b - Writes data to MS/off-chip memory 1170 * @ha: Pointer to adapter structure 1171 * @addr: Flash address to write to 1172 * @data: Data to be written 1173 * @count: word_count to be written 1174 * 1175 * Return: On success return QLA_SUCCESS 1176 * On error return QLA_ERROR 1177 **/ 1178 int qla4_8xxx_ms_mem_write_128b(struct scsi_qla_host *ha, uint64_t addr, 1179 uint32_t *data, uint32_t count) 1180 { 1181 int i, j; 1182 uint32_t agt_ctrl; 1183 unsigned long flags; 1184 int ret_val = QLA_SUCCESS; 1185 1186 /* Only 128-bit aligned access */ 1187 if (addr & 0xF) { 1188 ret_val = QLA_ERROR; 1189 goto exit_ms_mem_write; 1190 } 1191 1192 write_lock_irqsave(&ha->hw_lock, flags); 1193 1194 /* Write address */ 1195 ret_val = ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_ADDR_HI, 0); 1196 if (ret_val == QLA_ERROR) { 1197 ql4_printk(KERN_ERR, ha, "%s: write to AGT_ADDR_HI failed\n", 1198 __func__); 1199 goto exit_ms_mem_write_unlock; 1200 } 1201 1202 for (i = 0; i < count; i++, addr += 16) { 1203 if (!((QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_QDR_NET, 1204 QLA8XXX_ADDR_QDR_NET_MAX)) || 1205 (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_DDR_NET, 1206 QLA8XXX_ADDR_DDR_NET_MAX)))) { 1207 ret_val = QLA_ERROR; 1208 goto exit_ms_mem_write_unlock; 1209 } 1210 1211 ret_val = ha->isp_ops->wr_reg_indirect(ha, 1212 MD_MIU_TEST_AGT_ADDR_LO, 1213 addr); 1214 /* Write data */ 1215 ret_val |= ha->isp_ops->wr_reg_indirect(ha, 1216 MD_MIU_TEST_AGT_WRDATA_LO, 1217 *data++); 1218 ret_val |= ha->isp_ops->wr_reg_indirect(ha, 1219 MD_MIU_TEST_AGT_WRDATA_HI, 1220 *data++); 1221 ret_val |= ha->isp_ops->wr_reg_indirect(ha, 1222 MD_MIU_TEST_AGT_WRDATA_ULO, 1223 *data++); 1224 ret_val |= ha->isp_ops->wr_reg_indirect(ha, 1225 MD_MIU_TEST_AGT_WRDATA_UHI, 1226 *data++); 1227 if (ret_val == QLA_ERROR) { 1228 ql4_printk(KERN_ERR, ha, "%s: write to AGT_WRDATA failed\n", 1229 __func__); 1230 goto exit_ms_mem_write_unlock; 1231 } 1232 1233 /* Check write status */ 1234 ret_val = ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_CTRL, 1235 MIU_TA_CTL_WRITE_ENABLE); 1236 ret_val |= ha->isp_ops->wr_reg_indirect(ha, 1237 MD_MIU_TEST_AGT_CTRL, 1238 MIU_TA_CTL_WRITE_START); 1239 if (ret_val == QLA_ERROR) { 1240 ql4_printk(KERN_ERR, ha, "%s: write to AGT_CTRL failed\n", 1241 __func__); 1242 goto exit_ms_mem_write_unlock; 1243 } 1244 1245 for (j = 0; j < MAX_CTL_CHECK; j++) { 1246 ret_val = ha->isp_ops->rd_reg_indirect(ha, 1247 MD_MIU_TEST_AGT_CTRL, 1248 &agt_ctrl); 1249 if (ret_val == QLA_ERROR) { 1250 ql4_printk(KERN_ERR, ha, "%s: failed to read MD_MIU_TEST_AGT_CTRL\n", 1251 __func__); 1252 goto exit_ms_mem_write_unlock; 1253 } 1254 if ((agt_ctrl & MIU_TA_CTL_BUSY) == 0) 1255 break; 1256 } 1257 1258 /* Status check failed */ 1259 if (j >= MAX_CTL_CHECK) { 1260 printk_ratelimited(KERN_ERR "%s: MS memory write failed!\n", 1261 __func__); 1262 ret_val = QLA_ERROR; 1263 goto exit_ms_mem_write_unlock; 1264 } 1265 } 1266 1267 exit_ms_mem_write_unlock: 1268 write_unlock_irqrestore(&ha->hw_lock, flags); 1269 1270 exit_ms_mem_write: 1271 return ret_val; 1272 } 1273 1274 static int 1275 qla4_82xx_load_from_flash(struct scsi_qla_host *ha, uint32_t image_start) 1276 { 1277 int i, rval = 0; 1278 long size = 0; 1279 long flashaddr, memaddr; 1280 u64 data; 1281 u32 high, low; 1282 1283 flashaddr = memaddr = ha->hw.flt_region_bootload; 1284 size = (image_start - flashaddr) / 8; 1285 1286 DEBUG2(printk("scsi%ld: %s: bootldr=0x%lx, fw_image=0x%x\n", 1287 ha->host_no, __func__, flashaddr, image_start)); 1288 1289 for (i = 0; i < size; i++) { 1290 if ((qla4_82xx_rom_fast_read(ha, flashaddr, (int *)&low)) || 1291 (qla4_82xx_rom_fast_read(ha, flashaddr + 4, 1292 (int *)&high))) { 1293 rval = -1; 1294 goto exit_load_from_flash; 1295 } 1296 data = ((u64)high << 32) | low ; 1297 rval = qla4_82xx_pci_mem_write_2M(ha, memaddr, &data, 8); 1298 if (rval) 1299 goto exit_load_from_flash; 1300 1301 flashaddr += 8; 1302 memaddr += 8; 1303 1304 if (i % 0x1000 == 0) 1305 msleep(1); 1306 1307 } 1308 1309 udelay(100); 1310 1311 read_lock(&ha->hw_lock); 1312 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020); 1313 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e); 1314 read_unlock(&ha->hw_lock); 1315 1316 exit_load_from_flash: 1317 return rval; 1318 } 1319 1320 static int qla4_82xx_load_fw(struct scsi_qla_host *ha, uint32_t image_start) 1321 { 1322 u32 rst; 1323 1324 qla4_82xx_wr_32(ha, CRB_CMDPEG_STATE, 0); 1325 if (qla4_82xx_pinit_from_rom(ha, 0) != QLA_SUCCESS) { 1326 printk(KERN_WARNING "%s: Error during CRB Initialization\n", 1327 __func__); 1328 return QLA_ERROR; 1329 } 1330 1331 udelay(500); 1332 1333 /* at this point, QM is in reset. This could be a problem if there are 1334 * incoming d* transition queue messages. QM/PCIE could wedge. 1335 * To get around this, QM is brought out of reset. 1336 */ 1337 1338 rst = qla4_82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET); 1339 /* unreset qm */ 1340 rst &= ~(1 << 28); 1341 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst); 1342 1343 if (qla4_82xx_load_from_flash(ha, image_start)) { 1344 printk("%s: Error trying to load fw from flash!\n", __func__); 1345 return QLA_ERROR; 1346 } 1347 1348 return QLA_SUCCESS; 1349 } 1350 1351 int 1352 qla4_82xx_pci_mem_read_2M(struct scsi_qla_host *ha, 1353 u64 off, void *data, int size) 1354 { 1355 int i, j = 0, k, start, end, loop, sz[2], off0[2]; 1356 int shift_amount; 1357 uint32_t temp; 1358 uint64_t off8, val, mem_crb, word[2] = {0, 0}; 1359 1360 /* 1361 * If not MN, go check for MS or invalid. 1362 */ 1363 1364 if (off >= QLA8XXX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) 1365 mem_crb = QLA82XX_CRB_QDR_NET; 1366 else { 1367 mem_crb = QLA82XX_CRB_DDR_NET; 1368 if (qla4_82xx_pci_mem_bound_check(ha, off, size) == 0) 1369 return qla4_82xx_pci_mem_read_direct(ha, 1370 off, data, size); 1371 } 1372 1373 1374 off8 = off & 0xfffffff0; 1375 off0[0] = off & 0xf; 1376 sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]); 1377 shift_amount = 4; 1378 1379 loop = ((off0[0] + size - 1) >> shift_amount) + 1; 1380 off0[1] = 0; 1381 sz[1] = size - sz[0]; 1382 1383 for (i = 0; i < loop; i++) { 1384 temp = off8 + (i << shift_amount); 1385 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp); 1386 temp = 0; 1387 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp); 1388 temp = MIU_TA_CTL_ENABLE; 1389 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 1390 temp = MIU_TA_CTL_START_ENABLE; 1391 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 1392 1393 for (j = 0; j < MAX_CTL_CHECK; j++) { 1394 temp = qla4_82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL); 1395 if ((temp & MIU_TA_CTL_BUSY) == 0) 1396 break; 1397 } 1398 1399 if (j >= MAX_CTL_CHECK) { 1400 printk_ratelimited(KERN_ERR 1401 "%s: failed to read through agent\n", 1402 __func__); 1403 break; 1404 } 1405 1406 start = off0[i] >> 2; 1407 end = (off0[i] + sz[i] - 1) >> 2; 1408 for (k = start; k <= end; k++) { 1409 temp = qla4_82xx_rd_32(ha, 1410 mem_crb + MIU_TEST_AGT_RDDATA(k)); 1411 word[i] |= ((uint64_t)temp << (32 * (k & 1))); 1412 } 1413 } 1414 1415 if (j >= MAX_CTL_CHECK) 1416 return -1; 1417 1418 if ((off0[0] & 7) == 0) { 1419 val = word[0]; 1420 } else { 1421 val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) | 1422 ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8)); 1423 } 1424 1425 switch (size) { 1426 case 1: 1427 *(uint8_t *)data = val; 1428 break; 1429 case 2: 1430 *(uint16_t *)data = val; 1431 break; 1432 case 4: 1433 *(uint32_t *)data = val; 1434 break; 1435 case 8: 1436 *(uint64_t *)data = val; 1437 break; 1438 } 1439 return 0; 1440 } 1441 1442 int 1443 qla4_82xx_pci_mem_write_2M(struct scsi_qla_host *ha, 1444 u64 off, void *data, int size) 1445 { 1446 int i, j, ret = 0, loop, sz[2], off0; 1447 int scale, shift_amount, startword; 1448 uint32_t temp; 1449 uint64_t off8, mem_crb, tmpw, word[2] = {0, 0}; 1450 1451 /* 1452 * If not MN, go check for MS or invalid. 1453 */ 1454 if (off >= QLA8XXX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) 1455 mem_crb = QLA82XX_CRB_QDR_NET; 1456 else { 1457 mem_crb = QLA82XX_CRB_DDR_NET; 1458 if (qla4_82xx_pci_mem_bound_check(ha, off, size) == 0) 1459 return qla4_82xx_pci_mem_write_direct(ha, 1460 off, data, size); 1461 } 1462 1463 off0 = off & 0x7; 1464 sz[0] = (size < (8 - off0)) ? size : (8 - off0); 1465 sz[1] = size - sz[0]; 1466 1467 off8 = off & 0xfffffff0; 1468 loop = (((off & 0xf) + size - 1) >> 4) + 1; 1469 shift_amount = 4; 1470 scale = 2; 1471 startword = (off & 0xf)/8; 1472 1473 for (i = 0; i < loop; i++) { 1474 if (qla4_82xx_pci_mem_read_2M(ha, off8 + 1475 (i << shift_amount), &word[i * scale], 8)) 1476 return -1; 1477 } 1478 1479 switch (size) { 1480 case 1: 1481 tmpw = *((uint8_t *)data); 1482 break; 1483 case 2: 1484 tmpw = *((uint16_t *)data); 1485 break; 1486 case 4: 1487 tmpw = *((uint32_t *)data); 1488 break; 1489 case 8: 1490 default: 1491 tmpw = *((uint64_t *)data); 1492 break; 1493 } 1494 1495 if (sz[0] == 8) 1496 word[startword] = tmpw; 1497 else { 1498 word[startword] &= 1499 ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8)); 1500 word[startword] |= tmpw << (off0 * 8); 1501 } 1502 1503 if (sz[1] != 0) { 1504 word[startword+1] &= ~(~0ULL << (sz[1] * 8)); 1505 word[startword+1] |= tmpw >> (sz[0] * 8); 1506 } 1507 1508 for (i = 0; i < loop; i++) { 1509 temp = off8 + (i << shift_amount); 1510 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp); 1511 temp = 0; 1512 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp); 1513 temp = word[i * scale] & 0xffffffff; 1514 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp); 1515 temp = (word[i * scale] >> 32) & 0xffffffff; 1516 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp); 1517 temp = word[i*scale + 1] & 0xffffffff; 1518 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_WRDATA_UPPER_LO, 1519 temp); 1520 temp = (word[i*scale + 1] >> 32) & 0xffffffff; 1521 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_WRDATA_UPPER_HI, 1522 temp); 1523 1524 temp = MIU_TA_CTL_WRITE_ENABLE; 1525 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp); 1526 temp = MIU_TA_CTL_WRITE_START; 1527 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp); 1528 1529 for (j = 0; j < MAX_CTL_CHECK; j++) { 1530 temp = qla4_82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL); 1531 if ((temp & MIU_TA_CTL_BUSY) == 0) 1532 break; 1533 } 1534 1535 if (j >= MAX_CTL_CHECK) { 1536 if (printk_ratelimit()) 1537 ql4_printk(KERN_ERR, ha, 1538 "%s: failed to read through agent\n", 1539 __func__); 1540 ret = -1; 1541 break; 1542 } 1543 } 1544 1545 return ret; 1546 } 1547 1548 static int qla4_82xx_cmdpeg_ready(struct scsi_qla_host *ha, int pegtune_val) 1549 { 1550 u32 val = 0; 1551 int retries = 60; 1552 1553 if (!pegtune_val) { 1554 do { 1555 val = qla4_82xx_rd_32(ha, CRB_CMDPEG_STATE); 1556 if ((val == PHAN_INITIALIZE_COMPLETE) || 1557 (val == PHAN_INITIALIZE_ACK)) 1558 return 0; 1559 set_current_state(TASK_UNINTERRUPTIBLE); 1560 schedule_timeout(500); 1561 1562 } while (--retries); 1563 1564 if (!retries) { 1565 pegtune_val = qla4_82xx_rd_32(ha, 1566 QLA82XX_ROMUSB_GLB_PEGTUNE_DONE); 1567 printk(KERN_WARNING "%s: init failed, " 1568 "pegtune_val = %x\n", __func__, pegtune_val); 1569 return -1; 1570 } 1571 } 1572 return 0; 1573 } 1574 1575 static int qla4_82xx_rcvpeg_ready(struct scsi_qla_host *ha) 1576 { 1577 uint32_t state = 0; 1578 int loops = 0; 1579 1580 /* Window 1 call */ 1581 read_lock(&ha->hw_lock); 1582 state = qla4_82xx_rd_32(ha, CRB_RCVPEG_STATE); 1583 read_unlock(&ha->hw_lock); 1584 1585 while ((state != PHAN_PEG_RCV_INITIALIZED) && (loops < 30000)) { 1586 udelay(100); 1587 /* Window 1 call */ 1588 read_lock(&ha->hw_lock); 1589 state = qla4_82xx_rd_32(ha, CRB_RCVPEG_STATE); 1590 read_unlock(&ha->hw_lock); 1591 1592 loops++; 1593 } 1594 1595 if (loops >= 30000) { 1596 DEBUG2(ql4_printk(KERN_INFO, ha, 1597 "Receive Peg initialization not complete: 0x%x.\n", state)); 1598 return QLA_ERROR; 1599 } 1600 1601 return QLA_SUCCESS; 1602 } 1603 1604 void 1605 qla4_8xxx_set_drv_active(struct scsi_qla_host *ha) 1606 { 1607 uint32_t drv_active; 1608 1609 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE); 1610 1611 /* 1612 * For ISP8324 and ISP8042, drv_active register has 1 bit per function, 1613 * shift 1 by func_num to set a bit for the function. 1614 * For ISP8022, drv_active has 4 bits per function 1615 */ 1616 if (is_qla8032(ha) || is_qla8042(ha)) 1617 drv_active |= (1 << ha->func_num); 1618 else 1619 drv_active |= (1 << (ha->func_num * 4)); 1620 1621 ql4_printk(KERN_INFO, ha, "%s(%ld): drv_active: 0x%08x\n", 1622 __func__, ha->host_no, drv_active); 1623 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_ACTIVE, drv_active); 1624 } 1625 1626 void 1627 qla4_8xxx_clear_drv_active(struct scsi_qla_host *ha) 1628 { 1629 uint32_t drv_active; 1630 1631 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE); 1632 1633 /* 1634 * For ISP8324 and ISP8042, drv_active register has 1 bit per function, 1635 * shift 1 by func_num to set a bit for the function. 1636 * For ISP8022, drv_active has 4 bits per function 1637 */ 1638 if (is_qla8032(ha) || is_qla8042(ha)) 1639 drv_active &= ~(1 << (ha->func_num)); 1640 else 1641 drv_active &= ~(1 << (ha->func_num * 4)); 1642 1643 ql4_printk(KERN_INFO, ha, "%s(%ld): drv_active: 0x%08x\n", 1644 __func__, ha->host_no, drv_active); 1645 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_ACTIVE, drv_active); 1646 } 1647 1648 inline int qla4_8xxx_need_reset(struct scsi_qla_host *ha) 1649 { 1650 uint32_t drv_state, drv_active; 1651 int rval; 1652 1653 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE); 1654 drv_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_STATE); 1655 1656 /* 1657 * For ISP8324 and ISP8042, drv_active register has 1 bit per function, 1658 * shift 1 by func_num to set a bit for the function. 1659 * For ISP8022, drv_active has 4 bits per function 1660 */ 1661 if (is_qla8032(ha) || is_qla8042(ha)) 1662 rval = drv_state & (1 << ha->func_num); 1663 else 1664 rval = drv_state & (1 << (ha->func_num * 4)); 1665 1666 if ((test_bit(AF_EEH_BUSY, &ha->flags)) && drv_active) 1667 rval = 1; 1668 1669 return rval; 1670 } 1671 1672 void qla4_8xxx_set_rst_ready(struct scsi_qla_host *ha) 1673 { 1674 uint32_t drv_state; 1675 1676 drv_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_STATE); 1677 1678 /* 1679 * For ISP8324 and ISP8042, drv_active register has 1 bit per function, 1680 * shift 1 by func_num to set a bit for the function. 1681 * For ISP8022, drv_active has 4 bits per function 1682 */ 1683 if (is_qla8032(ha) || is_qla8042(ha)) 1684 drv_state |= (1 << ha->func_num); 1685 else 1686 drv_state |= (1 << (ha->func_num * 4)); 1687 1688 ql4_printk(KERN_INFO, ha, "%s(%ld): drv_state: 0x%08x\n", 1689 __func__, ha->host_no, drv_state); 1690 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, drv_state); 1691 } 1692 1693 void qla4_8xxx_clear_rst_ready(struct scsi_qla_host *ha) 1694 { 1695 uint32_t drv_state; 1696 1697 drv_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_STATE); 1698 1699 /* 1700 * For ISP8324 and ISP8042, drv_active register has 1 bit per function, 1701 * shift 1 by func_num to set a bit for the function. 1702 * For ISP8022, drv_active has 4 bits per function 1703 */ 1704 if (is_qla8032(ha) || is_qla8042(ha)) 1705 drv_state &= ~(1 << ha->func_num); 1706 else 1707 drv_state &= ~(1 << (ha->func_num * 4)); 1708 1709 ql4_printk(KERN_INFO, ha, "%s(%ld): drv_state: 0x%08x\n", 1710 __func__, ha->host_no, drv_state); 1711 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, drv_state); 1712 } 1713 1714 static inline void 1715 qla4_8xxx_set_qsnt_ready(struct scsi_qla_host *ha) 1716 { 1717 uint32_t qsnt_state; 1718 1719 qsnt_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_STATE); 1720 1721 /* 1722 * For ISP8324 and ISP8042, drv_active register has 1 bit per function, 1723 * shift 1 by func_num to set a bit for the function. 1724 * For ISP8022, drv_active has 4 bits per function. 1725 */ 1726 if (is_qla8032(ha) || is_qla8042(ha)) 1727 qsnt_state |= (1 << ha->func_num); 1728 else 1729 qsnt_state |= (2 << (ha->func_num * 4)); 1730 1731 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, qsnt_state); 1732 } 1733 1734 1735 static int 1736 qla4_82xx_start_firmware(struct scsi_qla_host *ha, uint32_t image_start) 1737 { 1738 uint16_t lnk; 1739 1740 /* scrub dma mask expansion register */ 1741 qla4_82xx_wr_32(ha, CRB_DMA_SHIFT, 0x55555555); 1742 1743 /* Overwrite stale initialization register values */ 1744 qla4_82xx_wr_32(ha, CRB_CMDPEG_STATE, 0); 1745 qla4_82xx_wr_32(ha, CRB_RCVPEG_STATE, 0); 1746 qla4_82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0); 1747 qla4_82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0); 1748 1749 if (qla4_82xx_load_fw(ha, image_start) != QLA_SUCCESS) { 1750 printk("%s: Error trying to start fw!\n", __func__); 1751 return QLA_ERROR; 1752 } 1753 1754 /* Handshake with the card before we register the devices. */ 1755 if (qla4_82xx_cmdpeg_ready(ha, 0) != QLA_SUCCESS) { 1756 printk("%s: Error during card handshake!\n", __func__); 1757 return QLA_ERROR; 1758 } 1759 1760 /* Negotiated Link width */ 1761 pcie_capability_read_word(ha->pdev, PCI_EXP_LNKSTA, &lnk); 1762 ha->link_width = (lnk >> 4) & 0x3f; 1763 1764 /* Synchronize with Receive peg */ 1765 return qla4_82xx_rcvpeg_ready(ha); 1766 } 1767 1768 int qla4_82xx_try_start_fw(struct scsi_qla_host *ha) 1769 { 1770 int rval; 1771 1772 /* 1773 * FW Load priority: 1774 * 1) Operational firmware residing in flash. 1775 * 2) Fail 1776 */ 1777 1778 ql4_printk(KERN_INFO, ha, 1779 "FW: Retrieving flash offsets from FLT/FDT ...\n"); 1780 rval = qla4_8xxx_get_flash_info(ha); 1781 if (rval != QLA_SUCCESS) 1782 return rval; 1783 1784 ql4_printk(KERN_INFO, ha, 1785 "FW: Attempting to load firmware from flash...\n"); 1786 rval = qla4_82xx_start_firmware(ha, ha->hw.flt_region_fw); 1787 1788 if (rval != QLA_SUCCESS) { 1789 ql4_printk(KERN_ERR, ha, "FW: Load firmware from flash" 1790 " FAILED...\n"); 1791 return rval; 1792 } 1793 1794 return rval; 1795 } 1796 1797 void qla4_82xx_rom_lock_recovery(struct scsi_qla_host *ha) 1798 { 1799 if (qla4_82xx_rom_lock(ha)) { 1800 /* Someone else is holding the lock. */ 1801 dev_info(&ha->pdev->dev, "Resetting rom_lock\n"); 1802 } 1803 1804 /* 1805 * Either we got the lock, or someone 1806 * else died while holding it. 1807 * In either case, unlock. 1808 */ 1809 qla4_82xx_rom_unlock(ha); 1810 } 1811 1812 static uint32_t ql4_84xx_poll_wait_for_ready(struct scsi_qla_host *ha, 1813 uint32_t addr1, uint32_t mask) 1814 { 1815 unsigned long timeout; 1816 uint32_t rval = QLA_SUCCESS; 1817 uint32_t temp; 1818 1819 timeout = jiffies + msecs_to_jiffies(TIMEOUT_100_MS); 1820 do { 1821 ha->isp_ops->rd_reg_indirect(ha, addr1, &temp); 1822 if ((temp & mask) != 0) 1823 break; 1824 1825 if (time_after_eq(jiffies, timeout)) { 1826 ql4_printk(KERN_INFO, ha, "Error in processing rdmdio entry\n"); 1827 return QLA_ERROR; 1828 } 1829 } while (1); 1830 1831 return rval; 1832 } 1833 1834 static uint32_t ql4_84xx_ipmdio_rd_reg(struct scsi_qla_host *ha, uint32_t addr1, 1835 uint32_t addr3, uint32_t mask, uint32_t addr, 1836 uint32_t *data_ptr) 1837 { 1838 int rval = QLA_SUCCESS; 1839 uint32_t temp; 1840 uint32_t data; 1841 1842 rval = ql4_84xx_poll_wait_for_ready(ha, addr1, mask); 1843 if (rval) 1844 goto exit_ipmdio_rd_reg; 1845 1846 temp = (0x40000000 | addr); 1847 ha->isp_ops->wr_reg_indirect(ha, addr1, temp); 1848 1849 rval = ql4_84xx_poll_wait_for_ready(ha, addr1, mask); 1850 if (rval) 1851 goto exit_ipmdio_rd_reg; 1852 1853 ha->isp_ops->rd_reg_indirect(ha, addr3, &data); 1854 *data_ptr = data; 1855 1856 exit_ipmdio_rd_reg: 1857 return rval; 1858 } 1859 1860 1861 static uint32_t ql4_84xx_poll_wait_ipmdio_bus_idle(struct scsi_qla_host *ha, 1862 uint32_t addr1, 1863 uint32_t addr2, 1864 uint32_t addr3, 1865 uint32_t mask) 1866 { 1867 unsigned long timeout; 1868 uint32_t temp; 1869 uint32_t rval = QLA_SUCCESS; 1870 1871 timeout = jiffies + msecs_to_jiffies(TIMEOUT_100_MS); 1872 do { 1873 ql4_84xx_ipmdio_rd_reg(ha, addr1, addr3, mask, addr2, &temp); 1874 if ((temp & 0x1) != 1) 1875 break; 1876 if (time_after_eq(jiffies, timeout)) { 1877 ql4_printk(KERN_INFO, ha, "Error in processing mdiobus idle\n"); 1878 return QLA_ERROR; 1879 } 1880 } while (1); 1881 1882 return rval; 1883 } 1884 1885 static int ql4_84xx_ipmdio_wr_reg(struct scsi_qla_host *ha, 1886 uint32_t addr1, uint32_t addr3, 1887 uint32_t mask, uint32_t addr, 1888 uint32_t value) 1889 { 1890 int rval = QLA_SUCCESS; 1891 1892 rval = ql4_84xx_poll_wait_for_ready(ha, addr1, mask); 1893 if (rval) 1894 goto exit_ipmdio_wr_reg; 1895 1896 ha->isp_ops->wr_reg_indirect(ha, addr3, value); 1897 ha->isp_ops->wr_reg_indirect(ha, addr1, addr); 1898 1899 rval = ql4_84xx_poll_wait_for_ready(ha, addr1, mask); 1900 if (rval) 1901 goto exit_ipmdio_wr_reg; 1902 1903 exit_ipmdio_wr_reg: 1904 return rval; 1905 } 1906 1907 static void qla4_8xxx_minidump_process_rdcrb(struct scsi_qla_host *ha, 1908 struct qla8xxx_minidump_entry_hdr *entry_hdr, 1909 uint32_t **d_ptr) 1910 { 1911 uint32_t r_addr, r_stride, loop_cnt, i, r_value; 1912 struct qla8xxx_minidump_entry_crb *crb_hdr; 1913 uint32_t *data_ptr = *d_ptr; 1914 1915 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 1916 crb_hdr = (struct qla8xxx_minidump_entry_crb *)entry_hdr; 1917 r_addr = crb_hdr->addr; 1918 r_stride = crb_hdr->crb_strd.addr_stride; 1919 loop_cnt = crb_hdr->op_count; 1920 1921 for (i = 0; i < loop_cnt; i++) { 1922 ha->isp_ops->rd_reg_indirect(ha, r_addr, &r_value); 1923 *data_ptr++ = cpu_to_le32(r_addr); 1924 *data_ptr++ = cpu_to_le32(r_value); 1925 r_addr += r_stride; 1926 } 1927 *d_ptr = data_ptr; 1928 } 1929 1930 static int qla4_83xx_check_dma_engine_state(struct scsi_qla_host *ha) 1931 { 1932 int rval = QLA_SUCCESS; 1933 uint32_t dma_eng_num = 0, cmd_sts_and_cntrl = 0; 1934 uint64_t dma_base_addr = 0; 1935 struct qla4_8xxx_minidump_template_hdr *tmplt_hdr = NULL; 1936 1937 tmplt_hdr = (struct qla4_8xxx_minidump_template_hdr *) 1938 ha->fw_dump_tmplt_hdr; 1939 dma_eng_num = 1940 tmplt_hdr->saved_state_array[QLA83XX_PEX_DMA_ENGINE_INDEX]; 1941 dma_base_addr = QLA83XX_PEX_DMA_BASE_ADDRESS + 1942 (dma_eng_num * QLA83XX_PEX_DMA_NUM_OFFSET); 1943 1944 /* Read the pex-dma's command-status-and-control register. */ 1945 rval = ha->isp_ops->rd_reg_indirect(ha, 1946 (dma_base_addr + QLA83XX_PEX_DMA_CMD_STS_AND_CNTRL), 1947 &cmd_sts_and_cntrl); 1948 1949 if (rval) 1950 return QLA_ERROR; 1951 1952 /* Check if requested pex-dma engine is available. */ 1953 if (cmd_sts_and_cntrl & BIT_31) 1954 return QLA_SUCCESS; 1955 else 1956 return QLA_ERROR; 1957 } 1958 1959 static int qla4_83xx_start_pex_dma(struct scsi_qla_host *ha, 1960 struct qla4_83xx_minidump_entry_rdmem_pex_dma *m_hdr) 1961 { 1962 int rval = QLA_SUCCESS, wait = 0; 1963 uint32_t dma_eng_num = 0, cmd_sts_and_cntrl = 0; 1964 uint64_t dma_base_addr = 0; 1965 struct qla4_8xxx_minidump_template_hdr *tmplt_hdr = NULL; 1966 1967 tmplt_hdr = (struct qla4_8xxx_minidump_template_hdr *) 1968 ha->fw_dump_tmplt_hdr; 1969 dma_eng_num = 1970 tmplt_hdr->saved_state_array[QLA83XX_PEX_DMA_ENGINE_INDEX]; 1971 dma_base_addr = QLA83XX_PEX_DMA_BASE_ADDRESS + 1972 (dma_eng_num * QLA83XX_PEX_DMA_NUM_OFFSET); 1973 1974 rval = ha->isp_ops->wr_reg_indirect(ha, 1975 dma_base_addr + QLA83XX_PEX_DMA_CMD_ADDR_LOW, 1976 m_hdr->desc_card_addr); 1977 if (rval) 1978 goto error_exit; 1979 1980 rval = ha->isp_ops->wr_reg_indirect(ha, 1981 dma_base_addr + QLA83XX_PEX_DMA_CMD_ADDR_HIGH, 0); 1982 if (rval) 1983 goto error_exit; 1984 1985 rval = ha->isp_ops->wr_reg_indirect(ha, 1986 dma_base_addr + QLA83XX_PEX_DMA_CMD_STS_AND_CNTRL, 1987 m_hdr->start_dma_cmd); 1988 if (rval) 1989 goto error_exit; 1990 1991 /* Wait for dma operation to complete. */ 1992 for (wait = 0; wait < QLA83XX_PEX_DMA_MAX_WAIT; wait++) { 1993 rval = ha->isp_ops->rd_reg_indirect(ha, 1994 (dma_base_addr + QLA83XX_PEX_DMA_CMD_STS_AND_CNTRL), 1995 &cmd_sts_and_cntrl); 1996 if (rval) 1997 goto error_exit; 1998 1999 if ((cmd_sts_and_cntrl & BIT_1) == 0) 2000 break; 2001 else 2002 udelay(10); 2003 } 2004 2005 /* Wait a max of 100 ms, otherwise fallback to rdmem entry read */ 2006 if (wait >= QLA83XX_PEX_DMA_MAX_WAIT) { 2007 rval = QLA_ERROR; 2008 goto error_exit; 2009 } 2010 2011 error_exit: 2012 return rval; 2013 } 2014 2015 static int qla4_8xxx_minidump_pex_dma_read(struct scsi_qla_host *ha, 2016 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2017 uint32_t **d_ptr) 2018 { 2019 int rval = QLA_SUCCESS; 2020 struct qla4_83xx_minidump_entry_rdmem_pex_dma *m_hdr = NULL; 2021 uint32_t size, read_size; 2022 uint8_t *data_ptr = (uint8_t *)*d_ptr; 2023 void *rdmem_buffer = NULL; 2024 dma_addr_t rdmem_dma; 2025 struct qla4_83xx_pex_dma_descriptor dma_desc; 2026 2027 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2028 2029 rval = qla4_83xx_check_dma_engine_state(ha); 2030 if (rval != QLA_SUCCESS) { 2031 DEBUG2(ql4_printk(KERN_INFO, ha, 2032 "%s: DMA engine not available. Fallback to rdmem-read.\n", 2033 __func__)); 2034 return QLA_ERROR; 2035 } 2036 2037 m_hdr = (struct qla4_83xx_minidump_entry_rdmem_pex_dma *)entry_hdr; 2038 rdmem_buffer = dma_alloc_coherent(&ha->pdev->dev, 2039 QLA83XX_PEX_DMA_READ_SIZE, 2040 &rdmem_dma, GFP_KERNEL); 2041 if (!rdmem_buffer) { 2042 DEBUG2(ql4_printk(KERN_INFO, ha, 2043 "%s: Unable to allocate rdmem dma buffer\n", 2044 __func__)); 2045 return QLA_ERROR; 2046 } 2047 2048 /* Prepare pex-dma descriptor to be written to MS memory. */ 2049 /* dma-desc-cmd layout: 2050 * 0-3: dma-desc-cmd 0-3 2051 * 4-7: pcid function number 2052 * 8-15: dma-desc-cmd 8-15 2053 */ 2054 dma_desc.cmd.dma_desc_cmd = (m_hdr->dma_desc_cmd & 0xff0f); 2055 dma_desc.cmd.dma_desc_cmd |= ((PCI_FUNC(ha->pdev->devfn) & 0xf) << 0x4); 2056 dma_desc.dma_bus_addr = rdmem_dma; 2057 2058 size = 0; 2059 read_size = 0; 2060 /* 2061 * Perform rdmem operation using pex-dma. 2062 * Prepare dma in chunks of QLA83XX_PEX_DMA_READ_SIZE. 2063 */ 2064 while (read_size < m_hdr->read_data_size) { 2065 if (m_hdr->read_data_size - read_size >= 2066 QLA83XX_PEX_DMA_READ_SIZE) 2067 size = QLA83XX_PEX_DMA_READ_SIZE; 2068 else { 2069 size = (m_hdr->read_data_size - read_size); 2070 2071 if (rdmem_buffer) 2072 dma_free_coherent(&ha->pdev->dev, 2073 QLA83XX_PEX_DMA_READ_SIZE, 2074 rdmem_buffer, rdmem_dma); 2075 2076 rdmem_buffer = dma_alloc_coherent(&ha->pdev->dev, size, 2077 &rdmem_dma, 2078 GFP_KERNEL); 2079 if (!rdmem_buffer) { 2080 DEBUG2(ql4_printk(KERN_INFO, ha, 2081 "%s: Unable to allocate rdmem dma buffer\n", 2082 __func__)); 2083 return QLA_ERROR; 2084 } 2085 dma_desc.dma_bus_addr = rdmem_dma; 2086 } 2087 2088 dma_desc.src_addr = m_hdr->read_addr + read_size; 2089 dma_desc.cmd.read_data_size = size; 2090 2091 /* Prepare: Write pex-dma descriptor to MS memory. */ 2092 rval = qla4_8xxx_ms_mem_write_128b(ha, 2093 (uint64_t)m_hdr->desc_card_addr, 2094 (uint32_t *)&dma_desc, 2095 (sizeof(struct qla4_83xx_pex_dma_descriptor)/16)); 2096 if (rval != QLA_SUCCESS) { 2097 ql4_printk(KERN_INFO, ha, 2098 "%s: Error writing rdmem-dma-init to MS !!!\n", 2099 __func__); 2100 goto error_exit; 2101 } 2102 2103 DEBUG2(ql4_printk(KERN_INFO, ha, 2104 "%s: Dma-desc: Instruct for rdmem dma (size 0x%x).\n", 2105 __func__, size)); 2106 /* Execute: Start pex-dma operation. */ 2107 rval = qla4_83xx_start_pex_dma(ha, m_hdr); 2108 if (rval != QLA_SUCCESS) { 2109 DEBUG2(ql4_printk(KERN_INFO, ha, 2110 "scsi(%ld): start-pex-dma failed rval=0x%x\n", 2111 ha->host_no, rval)); 2112 goto error_exit; 2113 } 2114 2115 memcpy(data_ptr, rdmem_buffer, size); 2116 data_ptr += size; 2117 read_size += size; 2118 } 2119 2120 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s\n", __func__)); 2121 2122 *d_ptr = (uint32_t *)data_ptr; 2123 2124 error_exit: 2125 if (rdmem_buffer) 2126 dma_free_coherent(&ha->pdev->dev, size, rdmem_buffer, 2127 rdmem_dma); 2128 2129 return rval; 2130 } 2131 2132 static int qla4_8xxx_minidump_process_l2tag(struct scsi_qla_host *ha, 2133 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2134 uint32_t **d_ptr) 2135 { 2136 uint32_t addr, r_addr, c_addr, t_r_addr; 2137 uint32_t i, k, loop_count, t_value, r_cnt, r_value; 2138 unsigned long p_wait, w_time, p_mask; 2139 uint32_t c_value_w, c_value_r; 2140 struct qla8xxx_minidump_entry_cache *cache_hdr; 2141 int rval = QLA_ERROR; 2142 uint32_t *data_ptr = *d_ptr; 2143 2144 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2145 cache_hdr = (struct qla8xxx_minidump_entry_cache *)entry_hdr; 2146 2147 loop_count = cache_hdr->op_count; 2148 r_addr = cache_hdr->read_addr; 2149 c_addr = cache_hdr->control_addr; 2150 c_value_w = cache_hdr->cache_ctrl.write_value; 2151 2152 t_r_addr = cache_hdr->tag_reg_addr; 2153 t_value = cache_hdr->addr_ctrl.init_tag_value; 2154 r_cnt = cache_hdr->read_ctrl.read_addr_cnt; 2155 p_wait = cache_hdr->cache_ctrl.poll_wait; 2156 p_mask = cache_hdr->cache_ctrl.poll_mask; 2157 2158 for (i = 0; i < loop_count; i++) { 2159 ha->isp_ops->wr_reg_indirect(ha, t_r_addr, t_value); 2160 2161 if (c_value_w) 2162 ha->isp_ops->wr_reg_indirect(ha, c_addr, c_value_w); 2163 2164 if (p_mask) { 2165 w_time = jiffies + p_wait; 2166 do { 2167 ha->isp_ops->rd_reg_indirect(ha, c_addr, 2168 &c_value_r); 2169 if ((c_value_r & p_mask) == 0) { 2170 break; 2171 } else if (time_after_eq(jiffies, w_time)) { 2172 /* capturing dump failed */ 2173 return rval; 2174 } 2175 } while (1); 2176 } 2177 2178 addr = r_addr; 2179 for (k = 0; k < r_cnt; k++) { 2180 ha->isp_ops->rd_reg_indirect(ha, addr, &r_value); 2181 *data_ptr++ = cpu_to_le32(r_value); 2182 addr += cache_hdr->read_ctrl.read_addr_stride; 2183 } 2184 2185 t_value += cache_hdr->addr_ctrl.tag_value_stride; 2186 } 2187 *d_ptr = data_ptr; 2188 return QLA_SUCCESS; 2189 } 2190 2191 static int qla4_8xxx_minidump_process_control(struct scsi_qla_host *ha, 2192 struct qla8xxx_minidump_entry_hdr *entry_hdr) 2193 { 2194 struct qla8xxx_minidump_entry_crb *crb_entry; 2195 uint32_t read_value, opcode, poll_time, addr, index, rval = QLA_SUCCESS; 2196 uint32_t crb_addr; 2197 unsigned long wtime; 2198 struct qla4_8xxx_minidump_template_hdr *tmplt_hdr; 2199 int i; 2200 2201 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2202 tmplt_hdr = (struct qla4_8xxx_minidump_template_hdr *) 2203 ha->fw_dump_tmplt_hdr; 2204 crb_entry = (struct qla8xxx_minidump_entry_crb *)entry_hdr; 2205 2206 crb_addr = crb_entry->addr; 2207 for (i = 0; i < crb_entry->op_count; i++) { 2208 opcode = crb_entry->crb_ctrl.opcode; 2209 if (opcode & QLA8XXX_DBG_OPCODE_WR) { 2210 ha->isp_ops->wr_reg_indirect(ha, crb_addr, 2211 crb_entry->value_1); 2212 opcode &= ~QLA8XXX_DBG_OPCODE_WR; 2213 } 2214 if (opcode & QLA8XXX_DBG_OPCODE_RW) { 2215 ha->isp_ops->rd_reg_indirect(ha, crb_addr, &read_value); 2216 ha->isp_ops->wr_reg_indirect(ha, crb_addr, read_value); 2217 opcode &= ~QLA8XXX_DBG_OPCODE_RW; 2218 } 2219 if (opcode & QLA8XXX_DBG_OPCODE_AND) { 2220 ha->isp_ops->rd_reg_indirect(ha, crb_addr, &read_value); 2221 read_value &= crb_entry->value_2; 2222 opcode &= ~QLA8XXX_DBG_OPCODE_AND; 2223 if (opcode & QLA8XXX_DBG_OPCODE_OR) { 2224 read_value |= crb_entry->value_3; 2225 opcode &= ~QLA8XXX_DBG_OPCODE_OR; 2226 } 2227 ha->isp_ops->wr_reg_indirect(ha, crb_addr, read_value); 2228 } 2229 if (opcode & QLA8XXX_DBG_OPCODE_OR) { 2230 ha->isp_ops->rd_reg_indirect(ha, crb_addr, &read_value); 2231 read_value |= crb_entry->value_3; 2232 ha->isp_ops->wr_reg_indirect(ha, crb_addr, read_value); 2233 opcode &= ~QLA8XXX_DBG_OPCODE_OR; 2234 } 2235 if (opcode & QLA8XXX_DBG_OPCODE_POLL) { 2236 poll_time = crb_entry->crb_strd.poll_timeout; 2237 wtime = jiffies + poll_time; 2238 ha->isp_ops->rd_reg_indirect(ha, crb_addr, &read_value); 2239 2240 do { 2241 if ((read_value & crb_entry->value_2) == 2242 crb_entry->value_1) { 2243 break; 2244 } else if (time_after_eq(jiffies, wtime)) { 2245 /* capturing dump failed */ 2246 rval = QLA_ERROR; 2247 break; 2248 } else { 2249 ha->isp_ops->rd_reg_indirect(ha, 2250 crb_addr, &read_value); 2251 } 2252 } while (1); 2253 opcode &= ~QLA8XXX_DBG_OPCODE_POLL; 2254 } 2255 2256 if (opcode & QLA8XXX_DBG_OPCODE_RDSTATE) { 2257 if (crb_entry->crb_strd.state_index_a) { 2258 index = crb_entry->crb_strd.state_index_a; 2259 addr = tmplt_hdr->saved_state_array[index]; 2260 } else { 2261 addr = crb_addr; 2262 } 2263 2264 ha->isp_ops->rd_reg_indirect(ha, addr, &read_value); 2265 index = crb_entry->crb_ctrl.state_index_v; 2266 tmplt_hdr->saved_state_array[index] = read_value; 2267 opcode &= ~QLA8XXX_DBG_OPCODE_RDSTATE; 2268 } 2269 2270 if (opcode & QLA8XXX_DBG_OPCODE_WRSTATE) { 2271 if (crb_entry->crb_strd.state_index_a) { 2272 index = crb_entry->crb_strd.state_index_a; 2273 addr = tmplt_hdr->saved_state_array[index]; 2274 } else { 2275 addr = crb_addr; 2276 } 2277 2278 if (crb_entry->crb_ctrl.state_index_v) { 2279 index = crb_entry->crb_ctrl.state_index_v; 2280 read_value = 2281 tmplt_hdr->saved_state_array[index]; 2282 } else { 2283 read_value = crb_entry->value_1; 2284 } 2285 2286 ha->isp_ops->wr_reg_indirect(ha, addr, read_value); 2287 opcode &= ~QLA8XXX_DBG_OPCODE_WRSTATE; 2288 } 2289 2290 if (opcode & QLA8XXX_DBG_OPCODE_MDSTATE) { 2291 index = crb_entry->crb_ctrl.state_index_v; 2292 read_value = tmplt_hdr->saved_state_array[index]; 2293 read_value <<= crb_entry->crb_ctrl.shl; 2294 read_value >>= crb_entry->crb_ctrl.shr; 2295 if (crb_entry->value_2) 2296 read_value &= crb_entry->value_2; 2297 read_value |= crb_entry->value_3; 2298 read_value += crb_entry->value_1; 2299 tmplt_hdr->saved_state_array[index] = read_value; 2300 opcode &= ~QLA8XXX_DBG_OPCODE_MDSTATE; 2301 } 2302 crb_addr += crb_entry->crb_strd.addr_stride; 2303 } 2304 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s\n", __func__)); 2305 return rval; 2306 } 2307 2308 static void qla4_8xxx_minidump_process_rdocm(struct scsi_qla_host *ha, 2309 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2310 uint32_t **d_ptr) 2311 { 2312 uint32_t r_addr, r_stride, loop_cnt, i, r_value; 2313 struct qla8xxx_minidump_entry_rdocm *ocm_hdr; 2314 uint32_t *data_ptr = *d_ptr; 2315 2316 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2317 ocm_hdr = (struct qla8xxx_minidump_entry_rdocm *)entry_hdr; 2318 r_addr = ocm_hdr->read_addr; 2319 r_stride = ocm_hdr->read_addr_stride; 2320 loop_cnt = ocm_hdr->op_count; 2321 2322 DEBUG2(ql4_printk(KERN_INFO, ha, 2323 "[%s]: r_addr: 0x%x, r_stride: 0x%x, loop_cnt: 0x%x\n", 2324 __func__, r_addr, r_stride, loop_cnt)); 2325 2326 for (i = 0; i < loop_cnt; i++) { 2327 r_value = readl((void __iomem *)(r_addr + ha->nx_pcibase)); 2328 *data_ptr++ = cpu_to_le32(r_value); 2329 r_addr += r_stride; 2330 } 2331 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s datacount: 0x%lx\n", 2332 __func__, (long unsigned int) (loop_cnt * sizeof(uint32_t)))); 2333 *d_ptr = data_ptr; 2334 } 2335 2336 static void qla4_8xxx_minidump_process_rdmux(struct scsi_qla_host *ha, 2337 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2338 uint32_t **d_ptr) 2339 { 2340 uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value; 2341 struct qla8xxx_minidump_entry_mux *mux_hdr; 2342 uint32_t *data_ptr = *d_ptr; 2343 2344 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2345 mux_hdr = (struct qla8xxx_minidump_entry_mux *)entry_hdr; 2346 r_addr = mux_hdr->read_addr; 2347 s_addr = mux_hdr->select_addr; 2348 s_stride = mux_hdr->select_value_stride; 2349 s_value = mux_hdr->select_value; 2350 loop_cnt = mux_hdr->op_count; 2351 2352 for (i = 0; i < loop_cnt; i++) { 2353 ha->isp_ops->wr_reg_indirect(ha, s_addr, s_value); 2354 ha->isp_ops->rd_reg_indirect(ha, r_addr, &r_value); 2355 *data_ptr++ = cpu_to_le32(s_value); 2356 *data_ptr++ = cpu_to_le32(r_value); 2357 s_value += s_stride; 2358 } 2359 *d_ptr = data_ptr; 2360 } 2361 2362 static void qla4_8xxx_minidump_process_l1cache(struct scsi_qla_host *ha, 2363 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2364 uint32_t **d_ptr) 2365 { 2366 uint32_t addr, r_addr, c_addr, t_r_addr; 2367 uint32_t i, k, loop_count, t_value, r_cnt, r_value; 2368 uint32_t c_value_w; 2369 struct qla8xxx_minidump_entry_cache *cache_hdr; 2370 uint32_t *data_ptr = *d_ptr; 2371 2372 cache_hdr = (struct qla8xxx_minidump_entry_cache *)entry_hdr; 2373 loop_count = cache_hdr->op_count; 2374 r_addr = cache_hdr->read_addr; 2375 c_addr = cache_hdr->control_addr; 2376 c_value_w = cache_hdr->cache_ctrl.write_value; 2377 2378 t_r_addr = cache_hdr->tag_reg_addr; 2379 t_value = cache_hdr->addr_ctrl.init_tag_value; 2380 r_cnt = cache_hdr->read_ctrl.read_addr_cnt; 2381 2382 for (i = 0; i < loop_count; i++) { 2383 ha->isp_ops->wr_reg_indirect(ha, t_r_addr, t_value); 2384 ha->isp_ops->wr_reg_indirect(ha, c_addr, c_value_w); 2385 addr = r_addr; 2386 for (k = 0; k < r_cnt; k++) { 2387 ha->isp_ops->rd_reg_indirect(ha, addr, &r_value); 2388 *data_ptr++ = cpu_to_le32(r_value); 2389 addr += cache_hdr->read_ctrl.read_addr_stride; 2390 } 2391 t_value += cache_hdr->addr_ctrl.tag_value_stride; 2392 } 2393 *d_ptr = data_ptr; 2394 } 2395 2396 static void qla4_8xxx_minidump_process_queue(struct scsi_qla_host *ha, 2397 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2398 uint32_t **d_ptr) 2399 { 2400 uint32_t s_addr, r_addr; 2401 uint32_t r_stride, r_value, r_cnt, qid = 0; 2402 uint32_t i, k, loop_cnt; 2403 struct qla8xxx_minidump_entry_queue *q_hdr; 2404 uint32_t *data_ptr = *d_ptr; 2405 2406 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2407 q_hdr = (struct qla8xxx_minidump_entry_queue *)entry_hdr; 2408 s_addr = q_hdr->select_addr; 2409 r_cnt = q_hdr->rd_strd.read_addr_cnt; 2410 r_stride = q_hdr->rd_strd.read_addr_stride; 2411 loop_cnt = q_hdr->op_count; 2412 2413 for (i = 0; i < loop_cnt; i++) { 2414 ha->isp_ops->wr_reg_indirect(ha, s_addr, qid); 2415 r_addr = q_hdr->read_addr; 2416 for (k = 0; k < r_cnt; k++) { 2417 ha->isp_ops->rd_reg_indirect(ha, r_addr, &r_value); 2418 *data_ptr++ = cpu_to_le32(r_value); 2419 r_addr += r_stride; 2420 } 2421 qid += q_hdr->q_strd.queue_id_stride; 2422 } 2423 *d_ptr = data_ptr; 2424 } 2425 2426 #define MD_DIRECT_ROM_WINDOW 0x42110030 2427 #define MD_DIRECT_ROM_READ_BASE 0x42150000 2428 2429 static void qla4_82xx_minidump_process_rdrom(struct scsi_qla_host *ha, 2430 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2431 uint32_t **d_ptr) 2432 { 2433 uint32_t r_addr, r_value; 2434 uint32_t i, loop_cnt; 2435 struct qla8xxx_minidump_entry_rdrom *rom_hdr; 2436 uint32_t *data_ptr = *d_ptr; 2437 2438 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2439 rom_hdr = (struct qla8xxx_minidump_entry_rdrom *)entry_hdr; 2440 r_addr = rom_hdr->read_addr; 2441 loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t); 2442 2443 DEBUG2(ql4_printk(KERN_INFO, ha, 2444 "[%s]: flash_addr: 0x%x, read_data_size: 0x%x\n", 2445 __func__, r_addr, loop_cnt)); 2446 2447 for (i = 0; i < loop_cnt; i++) { 2448 ha->isp_ops->wr_reg_indirect(ha, MD_DIRECT_ROM_WINDOW, 2449 (r_addr & 0xFFFF0000)); 2450 ha->isp_ops->rd_reg_indirect(ha, 2451 MD_DIRECT_ROM_READ_BASE + (r_addr & 0x0000FFFF), 2452 &r_value); 2453 *data_ptr++ = cpu_to_le32(r_value); 2454 r_addr += sizeof(uint32_t); 2455 } 2456 *d_ptr = data_ptr; 2457 } 2458 2459 #define MD_MIU_TEST_AGT_CTRL 0x41000090 2460 #define MD_MIU_TEST_AGT_ADDR_LO 0x41000094 2461 #define MD_MIU_TEST_AGT_ADDR_HI 0x41000098 2462 2463 static int __qla4_8xxx_minidump_process_rdmem(struct scsi_qla_host *ha, 2464 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2465 uint32_t **d_ptr) 2466 { 2467 uint32_t r_addr, r_value, r_data; 2468 uint32_t i, j, loop_cnt; 2469 struct qla8xxx_minidump_entry_rdmem *m_hdr; 2470 unsigned long flags; 2471 uint32_t *data_ptr = *d_ptr; 2472 2473 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2474 m_hdr = (struct qla8xxx_minidump_entry_rdmem *)entry_hdr; 2475 r_addr = m_hdr->read_addr; 2476 loop_cnt = m_hdr->read_data_size/16; 2477 2478 DEBUG2(ql4_printk(KERN_INFO, ha, 2479 "[%s]: Read addr: 0x%x, read_data_size: 0x%x\n", 2480 __func__, r_addr, m_hdr->read_data_size)); 2481 2482 if (r_addr & 0xf) { 2483 DEBUG2(ql4_printk(KERN_INFO, ha, 2484 "[%s]: Read addr 0x%x not 16 bytes aligned\n", 2485 __func__, r_addr)); 2486 return QLA_ERROR; 2487 } 2488 2489 if (m_hdr->read_data_size % 16) { 2490 DEBUG2(ql4_printk(KERN_INFO, ha, 2491 "[%s]: Read data[0x%x] not multiple of 16 bytes\n", 2492 __func__, m_hdr->read_data_size)); 2493 return QLA_ERROR; 2494 } 2495 2496 DEBUG2(ql4_printk(KERN_INFO, ha, 2497 "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n", 2498 __func__, r_addr, m_hdr->read_data_size, loop_cnt)); 2499 2500 write_lock_irqsave(&ha->hw_lock, flags); 2501 for (i = 0; i < loop_cnt; i++) { 2502 ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_ADDR_LO, 2503 r_addr); 2504 r_value = 0; 2505 ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_ADDR_HI, 2506 r_value); 2507 r_value = MIU_TA_CTL_ENABLE; 2508 ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_CTRL, r_value); 2509 r_value = MIU_TA_CTL_START_ENABLE; 2510 ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_CTRL, r_value); 2511 2512 for (j = 0; j < MAX_CTL_CHECK; j++) { 2513 ha->isp_ops->rd_reg_indirect(ha, MD_MIU_TEST_AGT_CTRL, 2514 &r_value); 2515 if ((r_value & MIU_TA_CTL_BUSY) == 0) 2516 break; 2517 } 2518 2519 if (j >= MAX_CTL_CHECK) { 2520 printk_ratelimited(KERN_ERR 2521 "%s: failed to read through agent\n", 2522 __func__); 2523 write_unlock_irqrestore(&ha->hw_lock, flags); 2524 return QLA_SUCCESS; 2525 } 2526 2527 for (j = 0; j < 4; j++) { 2528 ha->isp_ops->rd_reg_indirect(ha, 2529 MD_MIU_TEST_AGT_RDDATA[j], 2530 &r_data); 2531 *data_ptr++ = cpu_to_le32(r_data); 2532 } 2533 2534 r_addr += 16; 2535 } 2536 write_unlock_irqrestore(&ha->hw_lock, flags); 2537 2538 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s datacount: 0x%x\n", 2539 __func__, (loop_cnt * 16))); 2540 2541 *d_ptr = data_ptr; 2542 return QLA_SUCCESS; 2543 } 2544 2545 static int qla4_8xxx_minidump_process_rdmem(struct scsi_qla_host *ha, 2546 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2547 uint32_t **d_ptr) 2548 { 2549 uint32_t *data_ptr = *d_ptr; 2550 int rval = QLA_SUCCESS; 2551 2552 rval = qla4_8xxx_minidump_pex_dma_read(ha, entry_hdr, &data_ptr); 2553 if (rval != QLA_SUCCESS) 2554 rval = __qla4_8xxx_minidump_process_rdmem(ha, entry_hdr, 2555 &data_ptr); 2556 *d_ptr = data_ptr; 2557 return rval; 2558 } 2559 2560 static void qla4_8xxx_mark_entry_skipped(struct scsi_qla_host *ha, 2561 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2562 int index) 2563 { 2564 entry_hdr->d_ctrl.driver_flags |= QLA8XXX_DBG_SKIPPED_FLAG; 2565 DEBUG2(ql4_printk(KERN_INFO, ha, 2566 "scsi(%ld): Skipping entry[%d]: ETYPE[0x%x]-ELEVEL[0x%x]\n", 2567 ha->host_no, index, entry_hdr->entry_type, 2568 entry_hdr->d_ctrl.entry_capture_mask)); 2569 /* If driver encounters a new entry type that it cannot process, 2570 * it should just skip the entry and adjust the total buffer size by 2571 * from subtracting the skipped bytes from it 2572 */ 2573 ha->fw_dump_skip_size += entry_hdr->entry_capture_size; 2574 } 2575 2576 /* ISP83xx functions to process new minidump entries... */ 2577 static uint32_t qla83xx_minidump_process_pollrd(struct scsi_qla_host *ha, 2578 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2579 uint32_t **d_ptr) 2580 { 2581 uint32_t r_addr, s_addr, s_value, r_value, poll_wait, poll_mask; 2582 uint16_t s_stride, i; 2583 uint32_t *data_ptr = *d_ptr; 2584 uint32_t rval = QLA_SUCCESS; 2585 struct qla83xx_minidump_entry_pollrd *pollrd_hdr; 2586 2587 pollrd_hdr = (struct qla83xx_minidump_entry_pollrd *)entry_hdr; 2588 s_addr = le32_to_cpu(pollrd_hdr->select_addr); 2589 r_addr = le32_to_cpu(pollrd_hdr->read_addr); 2590 s_value = le32_to_cpu(pollrd_hdr->select_value); 2591 s_stride = le32_to_cpu(pollrd_hdr->select_value_stride); 2592 2593 poll_wait = le32_to_cpu(pollrd_hdr->poll_wait); 2594 poll_mask = le32_to_cpu(pollrd_hdr->poll_mask); 2595 2596 for (i = 0; i < le32_to_cpu(pollrd_hdr->op_count); i++) { 2597 ha->isp_ops->wr_reg_indirect(ha, s_addr, s_value); 2598 poll_wait = le32_to_cpu(pollrd_hdr->poll_wait); 2599 while (1) { 2600 ha->isp_ops->rd_reg_indirect(ha, s_addr, &r_value); 2601 2602 if ((r_value & poll_mask) != 0) { 2603 break; 2604 } else { 2605 msleep(1); 2606 if (--poll_wait == 0) { 2607 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT\n", 2608 __func__); 2609 rval = QLA_ERROR; 2610 goto exit_process_pollrd; 2611 } 2612 } 2613 } 2614 ha->isp_ops->rd_reg_indirect(ha, r_addr, &r_value); 2615 *data_ptr++ = cpu_to_le32(s_value); 2616 *data_ptr++ = cpu_to_le32(r_value); 2617 s_value += s_stride; 2618 } 2619 2620 *d_ptr = data_ptr; 2621 2622 exit_process_pollrd: 2623 return rval; 2624 } 2625 2626 static uint32_t qla4_84xx_minidump_process_rddfe(struct scsi_qla_host *ha, 2627 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2628 uint32_t **d_ptr) 2629 { 2630 int loop_cnt; 2631 uint32_t addr1, addr2, value, data, temp, wrval; 2632 uint8_t stride, stride2; 2633 uint16_t count; 2634 uint32_t poll, mask, modify_mask; 2635 uint32_t wait_count = 0; 2636 uint32_t *data_ptr = *d_ptr; 2637 struct qla8044_minidump_entry_rddfe *rddfe; 2638 uint32_t rval = QLA_SUCCESS; 2639 2640 rddfe = (struct qla8044_minidump_entry_rddfe *)entry_hdr; 2641 addr1 = le32_to_cpu(rddfe->addr_1); 2642 value = le32_to_cpu(rddfe->value); 2643 stride = le32_to_cpu(rddfe->stride); 2644 stride2 = le32_to_cpu(rddfe->stride2); 2645 count = le32_to_cpu(rddfe->count); 2646 2647 poll = le32_to_cpu(rddfe->poll); 2648 mask = le32_to_cpu(rddfe->mask); 2649 modify_mask = le32_to_cpu(rddfe->modify_mask); 2650 2651 addr2 = addr1 + stride; 2652 2653 for (loop_cnt = 0x0; loop_cnt < count; loop_cnt++) { 2654 ha->isp_ops->wr_reg_indirect(ha, addr1, (0x40000000 | value)); 2655 2656 wait_count = 0; 2657 while (wait_count < poll) { 2658 ha->isp_ops->rd_reg_indirect(ha, addr1, &temp); 2659 if ((temp & mask) != 0) 2660 break; 2661 wait_count++; 2662 } 2663 2664 if (wait_count == poll) { 2665 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT\n", __func__); 2666 rval = QLA_ERROR; 2667 goto exit_process_rddfe; 2668 } else { 2669 ha->isp_ops->rd_reg_indirect(ha, addr2, &temp); 2670 temp = temp & modify_mask; 2671 temp = (temp | ((loop_cnt << 16) | loop_cnt)); 2672 wrval = ((temp << 16) | temp); 2673 2674 ha->isp_ops->wr_reg_indirect(ha, addr2, wrval); 2675 ha->isp_ops->wr_reg_indirect(ha, addr1, value); 2676 2677 wait_count = 0; 2678 while (wait_count < poll) { 2679 ha->isp_ops->rd_reg_indirect(ha, addr1, &temp); 2680 if ((temp & mask) != 0) 2681 break; 2682 wait_count++; 2683 } 2684 if (wait_count == poll) { 2685 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT\n", 2686 __func__); 2687 rval = QLA_ERROR; 2688 goto exit_process_rddfe; 2689 } 2690 2691 ha->isp_ops->wr_reg_indirect(ha, addr1, 2692 ((0x40000000 | value) + 2693 stride2)); 2694 wait_count = 0; 2695 while (wait_count < poll) { 2696 ha->isp_ops->rd_reg_indirect(ha, addr1, &temp); 2697 if ((temp & mask) != 0) 2698 break; 2699 wait_count++; 2700 } 2701 2702 if (wait_count == poll) { 2703 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT\n", 2704 __func__); 2705 rval = QLA_ERROR; 2706 goto exit_process_rddfe; 2707 } 2708 2709 ha->isp_ops->rd_reg_indirect(ha, addr2, &data); 2710 2711 *data_ptr++ = cpu_to_le32(wrval); 2712 *data_ptr++ = cpu_to_le32(data); 2713 } 2714 } 2715 2716 *d_ptr = data_ptr; 2717 exit_process_rddfe: 2718 return rval; 2719 } 2720 2721 static uint32_t qla4_84xx_minidump_process_rdmdio(struct scsi_qla_host *ha, 2722 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2723 uint32_t **d_ptr) 2724 { 2725 int rval = QLA_SUCCESS; 2726 uint32_t addr1, addr2, value1, value2, data, selval; 2727 uint8_t stride1, stride2; 2728 uint32_t addr3, addr4, addr5, addr6, addr7; 2729 uint16_t count, loop_cnt; 2730 uint32_t mask; 2731 uint32_t *data_ptr = *d_ptr; 2732 struct qla8044_minidump_entry_rdmdio *rdmdio; 2733 2734 rdmdio = (struct qla8044_minidump_entry_rdmdio *)entry_hdr; 2735 addr1 = le32_to_cpu(rdmdio->addr_1); 2736 addr2 = le32_to_cpu(rdmdio->addr_2); 2737 value1 = le32_to_cpu(rdmdio->value_1); 2738 stride1 = le32_to_cpu(rdmdio->stride_1); 2739 stride2 = le32_to_cpu(rdmdio->stride_2); 2740 count = le32_to_cpu(rdmdio->count); 2741 2742 mask = le32_to_cpu(rdmdio->mask); 2743 value2 = le32_to_cpu(rdmdio->value_2); 2744 2745 addr3 = addr1 + stride1; 2746 2747 for (loop_cnt = 0; loop_cnt < count; loop_cnt++) { 2748 rval = ql4_84xx_poll_wait_ipmdio_bus_idle(ha, addr1, addr2, 2749 addr3, mask); 2750 if (rval) 2751 goto exit_process_rdmdio; 2752 2753 addr4 = addr2 - stride1; 2754 rval = ql4_84xx_ipmdio_wr_reg(ha, addr1, addr3, mask, addr4, 2755 value2); 2756 if (rval) 2757 goto exit_process_rdmdio; 2758 2759 addr5 = addr2 - (2 * stride1); 2760 rval = ql4_84xx_ipmdio_wr_reg(ha, addr1, addr3, mask, addr5, 2761 value1); 2762 if (rval) 2763 goto exit_process_rdmdio; 2764 2765 addr6 = addr2 - (3 * stride1); 2766 rval = ql4_84xx_ipmdio_wr_reg(ha, addr1, addr3, mask, 2767 addr6, 0x2); 2768 if (rval) 2769 goto exit_process_rdmdio; 2770 2771 rval = ql4_84xx_poll_wait_ipmdio_bus_idle(ha, addr1, addr2, 2772 addr3, mask); 2773 if (rval) 2774 goto exit_process_rdmdio; 2775 2776 addr7 = addr2 - (4 * stride1); 2777 rval = ql4_84xx_ipmdio_rd_reg(ha, addr1, addr3, 2778 mask, addr7, &data); 2779 if (rval) 2780 goto exit_process_rdmdio; 2781 2782 selval = (value2 << 18) | (value1 << 2) | 2; 2783 2784 stride2 = le32_to_cpu(rdmdio->stride_2); 2785 *data_ptr++ = cpu_to_le32(selval); 2786 *data_ptr++ = cpu_to_le32(data); 2787 2788 value1 = value1 + stride2; 2789 *d_ptr = data_ptr; 2790 } 2791 2792 exit_process_rdmdio: 2793 return rval; 2794 } 2795 2796 static uint32_t qla4_84xx_minidump_process_pollwr(struct scsi_qla_host *ha, 2797 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2798 uint32_t **d_ptr) 2799 { 2800 uint32_t addr1, addr2, value1, value2, poll, r_value; 2801 struct qla8044_minidump_entry_pollwr *pollwr_hdr; 2802 uint32_t wait_count = 0; 2803 uint32_t rval = QLA_SUCCESS; 2804 2805 pollwr_hdr = (struct qla8044_minidump_entry_pollwr *)entry_hdr; 2806 addr1 = le32_to_cpu(pollwr_hdr->addr_1); 2807 addr2 = le32_to_cpu(pollwr_hdr->addr_2); 2808 value1 = le32_to_cpu(pollwr_hdr->value_1); 2809 value2 = le32_to_cpu(pollwr_hdr->value_2); 2810 2811 poll = le32_to_cpu(pollwr_hdr->poll); 2812 2813 while (wait_count < poll) { 2814 ha->isp_ops->rd_reg_indirect(ha, addr1, &r_value); 2815 2816 if ((r_value & poll) != 0) 2817 break; 2818 2819 wait_count++; 2820 } 2821 2822 if (wait_count == poll) { 2823 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT\n", __func__); 2824 rval = QLA_ERROR; 2825 goto exit_process_pollwr; 2826 } 2827 2828 ha->isp_ops->wr_reg_indirect(ha, addr2, value2); 2829 ha->isp_ops->wr_reg_indirect(ha, addr1, value1); 2830 2831 wait_count = 0; 2832 while (wait_count < poll) { 2833 ha->isp_ops->rd_reg_indirect(ha, addr1, &r_value); 2834 2835 if ((r_value & poll) != 0) 2836 break; 2837 wait_count++; 2838 } 2839 2840 exit_process_pollwr: 2841 return rval; 2842 } 2843 2844 static void qla83xx_minidump_process_rdmux2(struct scsi_qla_host *ha, 2845 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2846 uint32_t **d_ptr) 2847 { 2848 uint32_t sel_val1, sel_val2, t_sel_val, data, i; 2849 uint32_t sel_addr1, sel_addr2, sel_val_mask, read_addr; 2850 struct qla83xx_minidump_entry_rdmux2 *rdmux2_hdr; 2851 uint32_t *data_ptr = *d_ptr; 2852 2853 rdmux2_hdr = (struct qla83xx_minidump_entry_rdmux2 *)entry_hdr; 2854 sel_val1 = le32_to_cpu(rdmux2_hdr->select_value_1); 2855 sel_val2 = le32_to_cpu(rdmux2_hdr->select_value_2); 2856 sel_addr1 = le32_to_cpu(rdmux2_hdr->select_addr_1); 2857 sel_addr2 = le32_to_cpu(rdmux2_hdr->select_addr_2); 2858 sel_val_mask = le32_to_cpu(rdmux2_hdr->select_value_mask); 2859 read_addr = le32_to_cpu(rdmux2_hdr->read_addr); 2860 2861 for (i = 0; i < rdmux2_hdr->op_count; i++) { 2862 ha->isp_ops->wr_reg_indirect(ha, sel_addr1, sel_val1); 2863 t_sel_val = sel_val1 & sel_val_mask; 2864 *data_ptr++ = cpu_to_le32(t_sel_val); 2865 2866 ha->isp_ops->wr_reg_indirect(ha, sel_addr2, t_sel_val); 2867 ha->isp_ops->rd_reg_indirect(ha, read_addr, &data); 2868 2869 *data_ptr++ = cpu_to_le32(data); 2870 2871 ha->isp_ops->wr_reg_indirect(ha, sel_addr1, sel_val2); 2872 t_sel_val = sel_val2 & sel_val_mask; 2873 *data_ptr++ = cpu_to_le32(t_sel_val); 2874 2875 ha->isp_ops->wr_reg_indirect(ha, sel_addr2, t_sel_val); 2876 ha->isp_ops->rd_reg_indirect(ha, read_addr, &data); 2877 2878 *data_ptr++ = cpu_to_le32(data); 2879 2880 sel_val1 += rdmux2_hdr->select_value_stride; 2881 sel_val2 += rdmux2_hdr->select_value_stride; 2882 } 2883 2884 *d_ptr = data_ptr; 2885 } 2886 2887 static uint32_t qla83xx_minidump_process_pollrdmwr(struct scsi_qla_host *ha, 2888 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2889 uint32_t **d_ptr) 2890 { 2891 uint32_t poll_wait, poll_mask, r_value, data; 2892 uint32_t addr_1, addr_2, value_1, value_2; 2893 uint32_t *data_ptr = *d_ptr; 2894 uint32_t rval = QLA_SUCCESS; 2895 struct qla83xx_minidump_entry_pollrdmwr *poll_hdr; 2896 2897 poll_hdr = (struct qla83xx_minidump_entry_pollrdmwr *)entry_hdr; 2898 addr_1 = le32_to_cpu(poll_hdr->addr_1); 2899 addr_2 = le32_to_cpu(poll_hdr->addr_2); 2900 value_1 = le32_to_cpu(poll_hdr->value_1); 2901 value_2 = le32_to_cpu(poll_hdr->value_2); 2902 poll_mask = le32_to_cpu(poll_hdr->poll_mask); 2903 2904 ha->isp_ops->wr_reg_indirect(ha, addr_1, value_1); 2905 2906 poll_wait = le32_to_cpu(poll_hdr->poll_wait); 2907 while (1) { 2908 ha->isp_ops->rd_reg_indirect(ha, addr_1, &r_value); 2909 2910 if ((r_value & poll_mask) != 0) { 2911 break; 2912 } else { 2913 msleep(1); 2914 if (--poll_wait == 0) { 2915 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT_1\n", 2916 __func__); 2917 rval = QLA_ERROR; 2918 goto exit_process_pollrdmwr; 2919 } 2920 } 2921 } 2922 2923 ha->isp_ops->rd_reg_indirect(ha, addr_2, &data); 2924 data &= le32_to_cpu(poll_hdr->modify_mask); 2925 ha->isp_ops->wr_reg_indirect(ha, addr_2, data); 2926 ha->isp_ops->wr_reg_indirect(ha, addr_1, value_2); 2927 2928 poll_wait = le32_to_cpu(poll_hdr->poll_wait); 2929 while (1) { 2930 ha->isp_ops->rd_reg_indirect(ha, addr_1, &r_value); 2931 2932 if ((r_value & poll_mask) != 0) { 2933 break; 2934 } else { 2935 msleep(1); 2936 if (--poll_wait == 0) { 2937 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT_2\n", 2938 __func__); 2939 rval = QLA_ERROR; 2940 goto exit_process_pollrdmwr; 2941 } 2942 } 2943 } 2944 2945 *data_ptr++ = cpu_to_le32(addr_2); 2946 *data_ptr++ = cpu_to_le32(data); 2947 *d_ptr = data_ptr; 2948 2949 exit_process_pollrdmwr: 2950 return rval; 2951 } 2952 2953 static uint32_t qla4_83xx_minidump_process_rdrom(struct scsi_qla_host *ha, 2954 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2955 uint32_t **d_ptr) 2956 { 2957 uint32_t fl_addr, u32_count, rval; 2958 struct qla8xxx_minidump_entry_rdrom *rom_hdr; 2959 uint32_t *data_ptr = *d_ptr; 2960 2961 rom_hdr = (struct qla8xxx_minidump_entry_rdrom *)entry_hdr; 2962 fl_addr = le32_to_cpu(rom_hdr->read_addr); 2963 u32_count = le32_to_cpu(rom_hdr->read_data_size)/sizeof(uint32_t); 2964 2965 DEBUG2(ql4_printk(KERN_INFO, ha, "[%s]: fl_addr: 0x%x, count: 0x%x\n", 2966 __func__, fl_addr, u32_count)); 2967 2968 rval = qla4_83xx_lockless_flash_read_u32(ha, fl_addr, 2969 (u8 *)(data_ptr), u32_count); 2970 2971 if (rval == QLA_ERROR) { 2972 ql4_printk(KERN_ERR, ha, "%s: Flash Read Error,Count=%d\n", 2973 __func__, u32_count); 2974 goto exit_process_rdrom; 2975 } 2976 2977 data_ptr += u32_count; 2978 *d_ptr = data_ptr; 2979 2980 exit_process_rdrom: 2981 return rval; 2982 } 2983 2984 /** 2985 * qla4_8xxx_collect_md_data - Retrieve firmware minidump data. 2986 * @ha: pointer to adapter structure 2987 **/ 2988 static int qla4_8xxx_collect_md_data(struct scsi_qla_host *ha) 2989 { 2990 int num_entry_hdr = 0; 2991 struct qla8xxx_minidump_entry_hdr *entry_hdr; 2992 struct qla4_8xxx_minidump_template_hdr *tmplt_hdr; 2993 uint32_t *data_ptr; 2994 uint32_t data_collected = 0; 2995 int i, rval = QLA_ERROR; 2996 uint64_t now; 2997 uint32_t timestamp; 2998 2999 ha->fw_dump_skip_size = 0; 3000 if (!ha->fw_dump) { 3001 ql4_printk(KERN_INFO, ha, "%s(%ld) No buffer to dump\n", 3002 __func__, ha->host_no); 3003 return rval; 3004 } 3005 3006 tmplt_hdr = (struct qla4_8xxx_minidump_template_hdr *) 3007 ha->fw_dump_tmplt_hdr; 3008 data_ptr = (uint32_t *)((uint8_t *)ha->fw_dump + 3009 ha->fw_dump_tmplt_size); 3010 data_collected += ha->fw_dump_tmplt_size; 3011 3012 num_entry_hdr = tmplt_hdr->num_of_entries; 3013 ql4_printk(KERN_INFO, ha, "[%s]: starting data ptr: %p\n", 3014 __func__, data_ptr); 3015 ql4_printk(KERN_INFO, ha, 3016 "[%s]: no of entry headers in Template: 0x%x\n", 3017 __func__, num_entry_hdr); 3018 ql4_printk(KERN_INFO, ha, "[%s]: Capture Mask obtained: 0x%x\n", 3019 __func__, ha->fw_dump_capture_mask); 3020 ql4_printk(KERN_INFO, ha, "[%s]: Total_data_size 0x%x, %d obtained\n", 3021 __func__, ha->fw_dump_size, ha->fw_dump_size); 3022 3023 /* Update current timestamp before taking dump */ 3024 now = get_jiffies_64(); 3025 timestamp = (u32)(jiffies_to_msecs(now) / 1000); 3026 tmplt_hdr->driver_timestamp = timestamp; 3027 3028 entry_hdr = (struct qla8xxx_minidump_entry_hdr *) 3029 (((uint8_t *)ha->fw_dump_tmplt_hdr) + 3030 tmplt_hdr->first_entry_offset); 3031 3032 if (is_qla8032(ha) || is_qla8042(ha)) 3033 tmplt_hdr->saved_state_array[QLA83XX_SS_OCM_WNDREG_INDEX] = 3034 tmplt_hdr->ocm_window_reg[ha->func_num]; 3035 3036 /* Walk through the entry headers - validate/perform required action */ 3037 for (i = 0; i < num_entry_hdr; i++) { 3038 if (data_collected > ha->fw_dump_size) { 3039 ql4_printk(KERN_INFO, ha, 3040 "Data collected: [0x%x], Total Dump size: [0x%x]\n", 3041 data_collected, ha->fw_dump_size); 3042 return rval; 3043 } 3044 3045 if (!(entry_hdr->d_ctrl.entry_capture_mask & 3046 ha->fw_dump_capture_mask)) { 3047 entry_hdr->d_ctrl.driver_flags |= 3048 QLA8XXX_DBG_SKIPPED_FLAG; 3049 goto skip_nxt_entry; 3050 } 3051 3052 DEBUG2(ql4_printk(KERN_INFO, ha, 3053 "Data collected: [0x%x], Dump size left:[0x%x]\n", 3054 data_collected, 3055 (ha->fw_dump_size - data_collected))); 3056 3057 /* Decode the entry type and take required action to capture 3058 * debug data 3059 */ 3060 switch (entry_hdr->entry_type) { 3061 case QLA8XXX_RDEND: 3062 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3063 break; 3064 case QLA8XXX_CNTRL: 3065 rval = qla4_8xxx_minidump_process_control(ha, 3066 entry_hdr); 3067 if (rval != QLA_SUCCESS) { 3068 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3069 goto md_failed; 3070 } 3071 break; 3072 case QLA8XXX_RDCRB: 3073 qla4_8xxx_minidump_process_rdcrb(ha, entry_hdr, 3074 &data_ptr); 3075 break; 3076 case QLA8XXX_RDMEM: 3077 rval = qla4_8xxx_minidump_process_rdmem(ha, entry_hdr, 3078 &data_ptr); 3079 if (rval != QLA_SUCCESS) { 3080 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3081 goto md_failed; 3082 } 3083 break; 3084 case QLA8XXX_BOARD: 3085 case QLA8XXX_RDROM: 3086 if (is_qla8022(ha)) { 3087 qla4_82xx_minidump_process_rdrom(ha, entry_hdr, 3088 &data_ptr); 3089 } else if (is_qla8032(ha) || is_qla8042(ha)) { 3090 rval = qla4_83xx_minidump_process_rdrom(ha, 3091 entry_hdr, 3092 &data_ptr); 3093 if (rval != QLA_SUCCESS) 3094 qla4_8xxx_mark_entry_skipped(ha, 3095 entry_hdr, 3096 i); 3097 } 3098 break; 3099 case QLA8XXX_L2DTG: 3100 case QLA8XXX_L2ITG: 3101 case QLA8XXX_L2DAT: 3102 case QLA8XXX_L2INS: 3103 rval = qla4_8xxx_minidump_process_l2tag(ha, entry_hdr, 3104 &data_ptr); 3105 if (rval != QLA_SUCCESS) { 3106 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3107 goto md_failed; 3108 } 3109 break; 3110 case QLA8XXX_L1DTG: 3111 case QLA8XXX_L1ITG: 3112 case QLA8XXX_L1DAT: 3113 case QLA8XXX_L1INS: 3114 qla4_8xxx_minidump_process_l1cache(ha, entry_hdr, 3115 &data_ptr); 3116 break; 3117 case QLA8XXX_RDOCM: 3118 qla4_8xxx_minidump_process_rdocm(ha, entry_hdr, 3119 &data_ptr); 3120 break; 3121 case QLA8XXX_RDMUX: 3122 qla4_8xxx_minidump_process_rdmux(ha, entry_hdr, 3123 &data_ptr); 3124 break; 3125 case QLA8XXX_QUEUE: 3126 qla4_8xxx_minidump_process_queue(ha, entry_hdr, 3127 &data_ptr); 3128 break; 3129 case QLA83XX_POLLRD: 3130 if (is_qla8022(ha)) { 3131 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3132 break; 3133 } 3134 rval = qla83xx_minidump_process_pollrd(ha, entry_hdr, 3135 &data_ptr); 3136 if (rval != QLA_SUCCESS) 3137 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3138 break; 3139 case QLA83XX_RDMUX2: 3140 if (is_qla8022(ha)) { 3141 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3142 break; 3143 } 3144 qla83xx_minidump_process_rdmux2(ha, entry_hdr, 3145 &data_ptr); 3146 break; 3147 case QLA83XX_POLLRDMWR: 3148 if (is_qla8022(ha)) { 3149 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3150 break; 3151 } 3152 rval = qla83xx_minidump_process_pollrdmwr(ha, entry_hdr, 3153 &data_ptr); 3154 if (rval != QLA_SUCCESS) 3155 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3156 break; 3157 case QLA8044_RDDFE: 3158 rval = qla4_84xx_minidump_process_rddfe(ha, entry_hdr, 3159 &data_ptr); 3160 if (rval != QLA_SUCCESS) 3161 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3162 break; 3163 case QLA8044_RDMDIO: 3164 rval = qla4_84xx_minidump_process_rdmdio(ha, entry_hdr, 3165 &data_ptr); 3166 if (rval != QLA_SUCCESS) 3167 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3168 break; 3169 case QLA8044_POLLWR: 3170 rval = qla4_84xx_minidump_process_pollwr(ha, entry_hdr, 3171 &data_ptr); 3172 if (rval != QLA_SUCCESS) 3173 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3174 break; 3175 case QLA8XXX_RDNOP: 3176 default: 3177 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3178 break; 3179 } 3180 3181 data_collected = (uint8_t *)data_ptr - (uint8_t *)ha->fw_dump; 3182 skip_nxt_entry: 3183 /* next entry in the template */ 3184 entry_hdr = (struct qla8xxx_minidump_entry_hdr *) 3185 (((uint8_t *)entry_hdr) + 3186 entry_hdr->entry_size); 3187 } 3188 3189 if ((data_collected + ha->fw_dump_skip_size) != ha->fw_dump_size) { 3190 ql4_printk(KERN_INFO, ha, 3191 "Dump data mismatch: Data collected: [0x%x], total_data_size:[0x%x]\n", 3192 data_collected, ha->fw_dump_size); 3193 rval = QLA_ERROR; 3194 goto md_failed; 3195 } 3196 3197 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s Last entry: 0x%x\n", 3198 __func__, i)); 3199 md_failed: 3200 return rval; 3201 } 3202 3203 /** 3204 * qla4_8xxx_uevent_emit - Send uevent when the firmware dump is ready. 3205 * @ha: pointer to adapter structure 3206 * @code: uevent code to act upon 3207 **/ 3208 static void qla4_8xxx_uevent_emit(struct scsi_qla_host *ha, u32 code) 3209 { 3210 char event_string[40]; 3211 char *envp[] = { event_string, NULL }; 3212 3213 switch (code) { 3214 case QL4_UEVENT_CODE_FW_DUMP: 3215 snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu", 3216 ha->host_no); 3217 break; 3218 default: 3219 /*do nothing*/ 3220 break; 3221 } 3222 3223 kobject_uevent_env(&(&ha->pdev->dev)->kobj, KOBJ_CHANGE, envp); 3224 } 3225 3226 void qla4_8xxx_get_minidump(struct scsi_qla_host *ha) 3227 { 3228 if (ql4xenablemd && test_bit(AF_FW_RECOVERY, &ha->flags) && 3229 !test_bit(AF_82XX_FW_DUMPED, &ha->flags)) { 3230 if (!qla4_8xxx_collect_md_data(ha)) { 3231 qla4_8xxx_uevent_emit(ha, QL4_UEVENT_CODE_FW_DUMP); 3232 set_bit(AF_82XX_FW_DUMPED, &ha->flags); 3233 } else { 3234 ql4_printk(KERN_INFO, ha, "%s: Unable to collect minidump\n", 3235 __func__); 3236 } 3237 } 3238 } 3239 3240 /** 3241 * qla4_8xxx_device_bootstrap - Initialize device, set DEV_READY, start fw 3242 * @ha: pointer to adapter structure 3243 * 3244 * Note: IDC lock must be held upon entry 3245 **/ 3246 int qla4_8xxx_device_bootstrap(struct scsi_qla_host *ha) 3247 { 3248 int rval = QLA_ERROR; 3249 int i; 3250 uint32_t old_count, count; 3251 int need_reset = 0; 3252 3253 need_reset = ha->isp_ops->need_reset(ha); 3254 3255 if (need_reset) { 3256 /* We are trying to perform a recovery here. */ 3257 if (test_bit(AF_FW_RECOVERY, &ha->flags)) 3258 ha->isp_ops->rom_lock_recovery(ha); 3259 } else { 3260 old_count = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER); 3261 for (i = 0; i < 10; i++) { 3262 msleep(200); 3263 count = qla4_8xxx_rd_direct(ha, 3264 QLA8XXX_PEG_ALIVE_COUNTER); 3265 if (count != old_count) { 3266 rval = QLA_SUCCESS; 3267 goto dev_ready; 3268 } 3269 } 3270 ha->isp_ops->rom_lock_recovery(ha); 3271 } 3272 3273 /* set to DEV_INITIALIZING */ 3274 ql4_printk(KERN_INFO, ha, "HW State: INITIALIZING\n"); 3275 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 3276 QLA8XXX_DEV_INITIALIZING); 3277 3278 ha->isp_ops->idc_unlock(ha); 3279 3280 if (is_qla8022(ha)) 3281 qla4_8xxx_get_minidump(ha); 3282 3283 rval = ha->isp_ops->restart_firmware(ha); 3284 ha->isp_ops->idc_lock(ha); 3285 3286 if (rval != QLA_SUCCESS) { 3287 ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); 3288 qla4_8xxx_clear_drv_active(ha); 3289 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 3290 QLA8XXX_DEV_FAILED); 3291 return rval; 3292 } 3293 3294 dev_ready: 3295 ql4_printk(KERN_INFO, ha, "HW State: READY\n"); 3296 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, QLA8XXX_DEV_READY); 3297 3298 return rval; 3299 } 3300 3301 /** 3302 * qla4_82xx_need_reset_handler - Code to start reset sequence 3303 * @ha: pointer to adapter structure 3304 * 3305 * Note: IDC lock must be held upon entry 3306 **/ 3307 static void 3308 qla4_82xx_need_reset_handler(struct scsi_qla_host *ha) 3309 { 3310 uint32_t dev_state, drv_state, drv_active; 3311 uint32_t active_mask = 0xFFFFFFFF; 3312 unsigned long reset_timeout; 3313 3314 ql4_printk(KERN_INFO, ha, 3315 "Performing ISP error recovery\n"); 3316 3317 if (test_and_clear_bit(AF_ONLINE, &ha->flags)) { 3318 qla4_82xx_idc_unlock(ha); 3319 ha->isp_ops->disable_intrs(ha); 3320 qla4_82xx_idc_lock(ha); 3321 } 3322 3323 if (!test_bit(AF_8XXX_RST_OWNER, &ha->flags)) { 3324 DEBUG2(ql4_printk(KERN_INFO, ha, 3325 "%s(%ld): reset acknowledged\n", 3326 __func__, ha->host_no)); 3327 qla4_8xxx_set_rst_ready(ha); 3328 } else { 3329 active_mask = (~(1 << (ha->func_num * 4))); 3330 } 3331 3332 /* wait for 10 seconds for reset ack from all functions */ 3333 reset_timeout = jiffies + (ha->nx_reset_timeout * HZ); 3334 3335 drv_state = qla4_82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3336 drv_active = qla4_82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3337 3338 ql4_printk(KERN_INFO, ha, 3339 "%s(%ld): drv_state = 0x%x, drv_active = 0x%x\n", 3340 __func__, ha->host_no, drv_state, drv_active); 3341 3342 while (drv_state != (drv_active & active_mask)) { 3343 if (time_after_eq(jiffies, reset_timeout)) { 3344 ql4_printk(KERN_INFO, ha, 3345 "%s: RESET TIMEOUT! drv_state: 0x%08x, drv_active: 0x%08x\n", 3346 DRIVER_NAME, drv_state, drv_active); 3347 break; 3348 } 3349 3350 /* 3351 * When reset_owner times out, check which functions 3352 * acked/did not ack 3353 */ 3354 if (test_bit(AF_8XXX_RST_OWNER, &ha->flags)) { 3355 ql4_printk(KERN_INFO, ha, 3356 "%s(%ld): drv_state = 0x%x, drv_active = 0x%x\n", 3357 __func__, ha->host_no, drv_state, 3358 drv_active); 3359 } 3360 qla4_82xx_idc_unlock(ha); 3361 msleep(1000); 3362 qla4_82xx_idc_lock(ha); 3363 3364 drv_state = qla4_82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3365 drv_active = qla4_82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3366 } 3367 3368 /* Clear RESET OWNER as we are not going to use it any further */ 3369 clear_bit(AF_8XXX_RST_OWNER, &ha->flags); 3370 3371 dev_state = qla4_82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3372 ql4_printk(KERN_INFO, ha, "Device state is 0x%x = %s\n", dev_state, 3373 dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown"); 3374 3375 /* Force to DEV_COLD unless someone else is starting a reset */ 3376 if (dev_state != QLA8XXX_DEV_INITIALIZING) { 3377 ql4_printk(KERN_INFO, ha, "HW State: COLD/RE-INIT\n"); 3378 qla4_82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_COLD); 3379 qla4_8xxx_set_rst_ready(ha); 3380 } 3381 } 3382 3383 /** 3384 * qla4_8xxx_need_qsnt_handler - Code to start qsnt 3385 * @ha: pointer to adapter structure 3386 **/ 3387 void 3388 qla4_8xxx_need_qsnt_handler(struct scsi_qla_host *ha) 3389 { 3390 ha->isp_ops->idc_lock(ha); 3391 qla4_8xxx_set_qsnt_ready(ha); 3392 ha->isp_ops->idc_unlock(ha); 3393 } 3394 3395 static void qla4_82xx_set_idc_ver(struct scsi_qla_host *ha) 3396 { 3397 int idc_ver; 3398 uint32_t drv_active; 3399 3400 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE); 3401 if (drv_active == (1 << (ha->func_num * 4))) { 3402 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION, 3403 QLA82XX_IDC_VERSION); 3404 ql4_printk(KERN_INFO, ha, 3405 "%s: IDC version updated to %d\n", __func__, 3406 QLA82XX_IDC_VERSION); 3407 } else { 3408 idc_ver = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION); 3409 if (QLA82XX_IDC_VERSION != idc_ver) { 3410 ql4_printk(KERN_INFO, ha, 3411 "%s: qla4xxx driver IDC version %d is not compatible with IDC version %d of other drivers!\n", 3412 __func__, QLA82XX_IDC_VERSION, idc_ver); 3413 } 3414 } 3415 } 3416 3417 static int qla4_83xx_set_idc_ver(struct scsi_qla_host *ha) 3418 { 3419 int idc_ver; 3420 uint32_t drv_active; 3421 int rval = QLA_SUCCESS; 3422 3423 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE); 3424 if (drv_active == (1 << ha->func_num)) { 3425 idc_ver = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION); 3426 idc_ver &= (~0xFF); 3427 idc_ver |= QLA83XX_IDC_VER_MAJ_VALUE; 3428 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION, idc_ver); 3429 ql4_printk(KERN_INFO, ha, 3430 "%s: IDC version updated to %d\n", __func__, 3431 idc_ver); 3432 } else { 3433 idc_ver = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION); 3434 idc_ver &= 0xFF; 3435 if (QLA83XX_IDC_VER_MAJ_VALUE != idc_ver) { 3436 ql4_printk(KERN_INFO, ha, 3437 "%s: qla4xxx driver IDC version %d is not compatible with IDC version %d of other drivers!\n", 3438 __func__, QLA83XX_IDC_VER_MAJ_VALUE, 3439 idc_ver); 3440 rval = QLA_ERROR; 3441 goto exit_set_idc_ver; 3442 } 3443 } 3444 3445 /* Update IDC_MINOR_VERSION */ 3446 idc_ver = qla4_83xx_rd_reg(ha, QLA83XX_CRB_IDC_VER_MINOR); 3447 idc_ver &= ~(0x03 << (ha->func_num * 2)); 3448 idc_ver |= (QLA83XX_IDC_VER_MIN_VALUE << (ha->func_num * 2)); 3449 qla4_83xx_wr_reg(ha, QLA83XX_CRB_IDC_VER_MINOR, idc_ver); 3450 3451 exit_set_idc_ver: 3452 return rval; 3453 } 3454 3455 int qla4_8xxx_update_idc_reg(struct scsi_qla_host *ha) 3456 { 3457 uint32_t drv_active; 3458 int rval = QLA_SUCCESS; 3459 3460 if (test_bit(AF_INIT_DONE, &ha->flags)) 3461 goto exit_update_idc_reg; 3462 3463 ha->isp_ops->idc_lock(ha); 3464 qla4_8xxx_set_drv_active(ha); 3465 3466 /* 3467 * If we are the first driver to load and 3468 * ql4xdontresethba is not set, clear IDC_CTRL BIT0. 3469 */ 3470 if (is_qla8032(ha) || is_qla8042(ha)) { 3471 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE); 3472 if ((drv_active == (1 << ha->func_num)) && !ql4xdontresethba) 3473 qla4_83xx_clear_idc_dontreset(ha); 3474 } 3475 3476 if (is_qla8022(ha)) { 3477 qla4_82xx_set_idc_ver(ha); 3478 } else if (is_qla8032(ha) || is_qla8042(ha)) { 3479 rval = qla4_83xx_set_idc_ver(ha); 3480 if (rval == QLA_ERROR) 3481 qla4_8xxx_clear_drv_active(ha); 3482 } 3483 3484 ha->isp_ops->idc_unlock(ha); 3485 3486 exit_update_idc_reg: 3487 return rval; 3488 } 3489 3490 /** 3491 * qla4_8xxx_device_state_handler - Adapter state machine 3492 * @ha: pointer to host adapter structure. 3493 * 3494 * Note: IDC lock must be UNLOCKED upon entry 3495 **/ 3496 int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha) 3497 { 3498 uint32_t dev_state; 3499 int rval = QLA_SUCCESS; 3500 unsigned long dev_init_timeout; 3501 3502 rval = qla4_8xxx_update_idc_reg(ha); 3503 if (rval == QLA_ERROR) 3504 goto exit_state_handler; 3505 3506 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 3507 DEBUG2(ql4_printk(KERN_INFO, ha, "Device state is 0x%x = %s\n", 3508 dev_state, dev_state < MAX_STATES ? 3509 qdev_state[dev_state] : "Unknown")); 3510 3511 /* wait for 30 seconds for device to go ready */ 3512 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ); 3513 3514 ha->isp_ops->idc_lock(ha); 3515 while (1) { 3516 3517 if (time_after_eq(jiffies, dev_init_timeout)) { 3518 ql4_printk(KERN_WARNING, ha, 3519 "%s: Device Init Failed 0x%x = %s\n", 3520 DRIVER_NAME, 3521 dev_state, dev_state < MAX_STATES ? 3522 qdev_state[dev_state] : "Unknown"); 3523 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 3524 QLA8XXX_DEV_FAILED); 3525 } 3526 3527 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 3528 ql4_printk(KERN_INFO, ha, "Device state is 0x%x = %s\n", 3529 dev_state, dev_state < MAX_STATES ? 3530 qdev_state[dev_state] : "Unknown"); 3531 3532 /* NOTE: Make sure idc unlocked upon exit of switch statement */ 3533 switch (dev_state) { 3534 case QLA8XXX_DEV_READY: 3535 goto exit; 3536 case QLA8XXX_DEV_COLD: 3537 rval = qla4_8xxx_device_bootstrap(ha); 3538 goto exit; 3539 case QLA8XXX_DEV_INITIALIZING: 3540 ha->isp_ops->idc_unlock(ha); 3541 msleep(1000); 3542 ha->isp_ops->idc_lock(ha); 3543 break; 3544 case QLA8XXX_DEV_NEED_RESET: 3545 /* 3546 * For ISP8324 and ISP8042, if NEED_RESET is set by any 3547 * driver, it should be honored, irrespective of 3548 * IDC_CTRL DONTRESET_BIT0 3549 */ 3550 if (is_qla8032(ha) || is_qla8042(ha)) { 3551 qla4_83xx_need_reset_handler(ha); 3552 } else if (is_qla8022(ha)) { 3553 if (!ql4xdontresethba) { 3554 qla4_82xx_need_reset_handler(ha); 3555 /* Update timeout value after need 3556 * reset handler */ 3557 dev_init_timeout = jiffies + 3558 (ha->nx_dev_init_timeout * HZ); 3559 } else { 3560 ha->isp_ops->idc_unlock(ha); 3561 msleep(1000); 3562 ha->isp_ops->idc_lock(ha); 3563 } 3564 } 3565 break; 3566 case QLA8XXX_DEV_NEED_QUIESCENT: 3567 /* idc locked/unlocked in handler */ 3568 qla4_8xxx_need_qsnt_handler(ha); 3569 break; 3570 case QLA8XXX_DEV_QUIESCENT: 3571 ha->isp_ops->idc_unlock(ha); 3572 msleep(1000); 3573 ha->isp_ops->idc_lock(ha); 3574 break; 3575 case QLA8XXX_DEV_FAILED: 3576 ha->isp_ops->idc_unlock(ha); 3577 qla4xxx_dead_adapter_cleanup(ha); 3578 rval = QLA_ERROR; 3579 ha->isp_ops->idc_lock(ha); 3580 goto exit; 3581 default: 3582 ha->isp_ops->idc_unlock(ha); 3583 qla4xxx_dead_adapter_cleanup(ha); 3584 rval = QLA_ERROR; 3585 ha->isp_ops->idc_lock(ha); 3586 goto exit; 3587 } 3588 } 3589 exit: 3590 ha->isp_ops->idc_unlock(ha); 3591 exit_state_handler: 3592 return rval; 3593 } 3594 3595 int qla4_8xxx_load_risc(struct scsi_qla_host *ha) 3596 { 3597 int retval; 3598 3599 /* clear the interrupt */ 3600 if (is_qla8032(ha) || is_qla8042(ha)) { 3601 writel(0, &ha->qla4_83xx_reg->risc_intr); 3602 readl(&ha->qla4_83xx_reg->risc_intr); 3603 } else if (is_qla8022(ha)) { 3604 writel(0, &ha->qla4_82xx_reg->host_int); 3605 readl(&ha->qla4_82xx_reg->host_int); 3606 } 3607 3608 retval = qla4_8xxx_device_state_handler(ha); 3609 3610 /* Initialize request and response queues. */ 3611 if (retval == QLA_SUCCESS) 3612 qla4xxx_init_rings(ha); 3613 3614 if (retval == QLA_SUCCESS && !test_bit(AF_IRQ_ATTACHED, &ha->flags)) 3615 retval = qla4xxx_request_irqs(ha); 3616 3617 return retval; 3618 } 3619 3620 /*****************************************************************************/ 3621 /* Flash Manipulation Routines */ 3622 /*****************************************************************************/ 3623 3624 #define OPTROM_BURST_SIZE 0x1000 3625 #define OPTROM_BURST_DWORDS (OPTROM_BURST_SIZE / 4) 3626 3627 #define FARX_DATA_FLAG BIT_31 3628 #define FARX_ACCESS_FLASH_CONF 0x7FFD0000 3629 #define FARX_ACCESS_FLASH_DATA 0x7FF00000 3630 3631 static inline uint32_t 3632 flash_conf_addr(struct ql82xx_hw_data *hw, uint32_t faddr) 3633 { 3634 return hw->flash_conf_off | faddr; 3635 } 3636 3637 static inline uint32_t 3638 flash_data_addr(struct ql82xx_hw_data *hw, uint32_t faddr) 3639 { 3640 return hw->flash_data_off | faddr; 3641 } 3642 3643 static uint32_t * 3644 qla4_82xx_read_flash_data(struct scsi_qla_host *ha, uint32_t *dwptr, 3645 uint32_t faddr, uint32_t length) 3646 { 3647 uint32_t i; 3648 uint32_t val; 3649 int loops = 0; 3650 while ((qla4_82xx_rom_lock(ha) != 0) && (loops < 50000)) { 3651 udelay(100); 3652 cond_resched(); 3653 loops++; 3654 } 3655 if (loops >= 50000) { 3656 ql4_printk(KERN_WARNING, ha, "ROM lock failed\n"); 3657 return dwptr; 3658 } 3659 3660 /* Dword reads to flash. */ 3661 for (i = 0; i < length/4; i++, faddr += 4) { 3662 if (qla4_82xx_do_rom_fast_read(ha, faddr, &val)) { 3663 ql4_printk(KERN_WARNING, ha, 3664 "Do ROM fast read failed\n"); 3665 goto done_read; 3666 } 3667 dwptr[i] = __constant_cpu_to_le32(val); 3668 } 3669 3670 done_read: 3671 qla4_82xx_rom_unlock(ha); 3672 return dwptr; 3673 } 3674 3675 /* 3676 * Address and length are byte address 3677 */ 3678 static uint8_t * 3679 qla4_82xx_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf, 3680 uint32_t offset, uint32_t length) 3681 { 3682 qla4_82xx_read_flash_data(ha, (uint32_t *)buf, offset, length); 3683 return buf; 3684 } 3685 3686 static int 3687 qla4_8xxx_find_flt_start(struct scsi_qla_host *ha, uint32_t *start) 3688 { 3689 const char *loc, *locations[] = { "DEF", "PCI" }; 3690 3691 /* 3692 * FLT-location structure resides after the last PCI region. 3693 */ 3694 3695 /* Begin with sane defaults. */ 3696 loc = locations[0]; 3697 *start = FA_FLASH_LAYOUT_ADDR_82; 3698 3699 DEBUG2(ql4_printk(KERN_INFO, ha, "FLTL[%s] = 0x%x.\n", loc, *start)); 3700 return QLA_SUCCESS; 3701 } 3702 3703 static void 3704 qla4_8xxx_get_flt_info(struct scsi_qla_host *ha, uint32_t flt_addr) 3705 { 3706 const char *loc, *locations[] = { "DEF", "FLT" }; 3707 uint16_t *wptr; 3708 uint16_t cnt, chksum; 3709 uint32_t start, status; 3710 struct qla_flt_header *flt; 3711 struct qla_flt_region *region; 3712 struct ql82xx_hw_data *hw = &ha->hw; 3713 3714 hw->flt_region_flt = flt_addr; 3715 wptr = (uint16_t *)ha->request_ring; 3716 flt = (struct qla_flt_header *)ha->request_ring; 3717 region = (struct qla_flt_region *)&flt[1]; 3718 3719 if (is_qla8022(ha)) { 3720 qla4_82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring, 3721 flt_addr << 2, OPTROM_BURST_SIZE); 3722 } else if (is_qla8032(ha) || is_qla8042(ha)) { 3723 status = qla4_83xx_flash_read_u32(ha, flt_addr << 2, 3724 (uint8_t *)ha->request_ring, 3725 0x400); 3726 if (status != QLA_SUCCESS) 3727 goto no_flash_data; 3728 } 3729 3730 if (*wptr == __constant_cpu_to_le16(0xffff)) 3731 goto no_flash_data; 3732 if (flt->version != __constant_cpu_to_le16(1)) { 3733 DEBUG2(ql4_printk(KERN_INFO, ha, "Unsupported FLT detected: " 3734 "version=0x%x length=0x%x checksum=0x%x.\n", 3735 le16_to_cpu(flt->version), le16_to_cpu(flt->length), 3736 le16_to_cpu(flt->checksum))); 3737 goto no_flash_data; 3738 } 3739 3740 cnt = (sizeof(struct qla_flt_header) + le16_to_cpu(flt->length)) >> 1; 3741 for (chksum = 0; cnt; cnt--) 3742 chksum += le16_to_cpu(*wptr++); 3743 if (chksum) { 3744 DEBUG2(ql4_printk(KERN_INFO, ha, "Inconsistent FLT detected: " 3745 "version=0x%x length=0x%x checksum=0x%x.\n", 3746 le16_to_cpu(flt->version), le16_to_cpu(flt->length), 3747 chksum)); 3748 goto no_flash_data; 3749 } 3750 3751 loc = locations[1]; 3752 cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region); 3753 for ( ; cnt; cnt--, region++) { 3754 /* Store addresses as DWORD offsets. */ 3755 start = le32_to_cpu(region->start) >> 2; 3756 3757 DEBUG3(ql4_printk(KERN_DEBUG, ha, "FLT[%02x]: start=0x%x " 3758 "end=0x%x size=0x%x.\n", le32_to_cpu(region->code), start, 3759 le32_to_cpu(region->end) >> 2, le32_to_cpu(region->size))); 3760 3761 switch (le32_to_cpu(region->code) & 0xff) { 3762 case FLT_REG_FDT: 3763 hw->flt_region_fdt = start; 3764 break; 3765 case FLT_REG_BOOT_CODE_82: 3766 hw->flt_region_boot = start; 3767 break; 3768 case FLT_REG_FW_82: 3769 case FLT_REG_FW_82_1: 3770 hw->flt_region_fw = start; 3771 break; 3772 case FLT_REG_BOOTLOAD_82: 3773 hw->flt_region_bootload = start; 3774 break; 3775 case FLT_REG_ISCSI_PARAM: 3776 hw->flt_iscsi_param = start; 3777 break; 3778 case FLT_REG_ISCSI_CHAP: 3779 hw->flt_region_chap = start; 3780 hw->flt_chap_size = le32_to_cpu(region->size); 3781 break; 3782 case FLT_REG_ISCSI_DDB: 3783 hw->flt_region_ddb = start; 3784 hw->flt_ddb_size = le32_to_cpu(region->size); 3785 break; 3786 } 3787 } 3788 goto done; 3789 3790 no_flash_data: 3791 /* Use hardcoded defaults. */ 3792 loc = locations[0]; 3793 3794 hw->flt_region_fdt = FA_FLASH_DESCR_ADDR_82; 3795 hw->flt_region_boot = FA_BOOT_CODE_ADDR_82; 3796 hw->flt_region_bootload = FA_BOOT_LOAD_ADDR_82; 3797 hw->flt_region_fw = FA_RISC_CODE_ADDR_82; 3798 hw->flt_region_chap = FA_FLASH_ISCSI_CHAP >> 2; 3799 hw->flt_chap_size = FA_FLASH_CHAP_SIZE; 3800 hw->flt_region_ddb = FA_FLASH_ISCSI_DDB >> 2; 3801 hw->flt_ddb_size = FA_FLASH_DDB_SIZE; 3802 3803 done: 3804 DEBUG2(ql4_printk(KERN_INFO, ha, 3805 "FLT[%s]: flt=0x%x fdt=0x%x boot=0x%x bootload=0x%x fw=0x%x chap=0x%x chap_size=0x%x ddb=0x%x ddb_size=0x%x\n", 3806 loc, hw->flt_region_flt, hw->flt_region_fdt, 3807 hw->flt_region_boot, hw->flt_region_bootload, 3808 hw->flt_region_fw, hw->flt_region_chap, 3809 hw->flt_chap_size, hw->flt_region_ddb, 3810 hw->flt_ddb_size)); 3811 } 3812 3813 static void 3814 qla4_82xx_get_fdt_info(struct scsi_qla_host *ha) 3815 { 3816 #define FLASH_BLK_SIZE_4K 0x1000 3817 #define FLASH_BLK_SIZE_32K 0x8000 3818 #define FLASH_BLK_SIZE_64K 0x10000 3819 const char *loc, *locations[] = { "MID", "FDT" }; 3820 uint16_t cnt, chksum; 3821 uint16_t *wptr; 3822 struct qla_fdt_layout *fdt; 3823 uint16_t mid = 0; 3824 uint16_t fid = 0; 3825 struct ql82xx_hw_data *hw = &ha->hw; 3826 3827 hw->flash_conf_off = FARX_ACCESS_FLASH_CONF; 3828 hw->flash_data_off = FARX_ACCESS_FLASH_DATA; 3829 3830 wptr = (uint16_t *)ha->request_ring; 3831 fdt = (struct qla_fdt_layout *)ha->request_ring; 3832 qla4_82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring, 3833 hw->flt_region_fdt << 2, OPTROM_BURST_SIZE); 3834 3835 if (*wptr == __constant_cpu_to_le16(0xffff)) 3836 goto no_flash_data; 3837 3838 if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' || 3839 fdt->sig[3] != 'D') 3840 goto no_flash_data; 3841 3842 for (cnt = 0, chksum = 0; cnt < sizeof(struct qla_fdt_layout) >> 1; 3843 cnt++) 3844 chksum += le16_to_cpu(*wptr++); 3845 3846 if (chksum) { 3847 DEBUG2(ql4_printk(KERN_INFO, ha, "Inconsistent FDT detected: " 3848 "checksum=0x%x id=%c version=0x%x.\n", chksum, fdt->sig[0], 3849 le16_to_cpu(fdt->version))); 3850 goto no_flash_data; 3851 } 3852 3853 loc = locations[1]; 3854 mid = le16_to_cpu(fdt->man_id); 3855 fid = le16_to_cpu(fdt->id); 3856 hw->fdt_wrt_disable = fdt->wrt_disable_bits; 3857 hw->fdt_erase_cmd = flash_conf_addr(hw, 0x0300 | fdt->erase_cmd); 3858 hw->fdt_block_size = le32_to_cpu(fdt->block_size); 3859 3860 if (fdt->unprotect_sec_cmd) { 3861 hw->fdt_unprotect_sec_cmd = flash_conf_addr(hw, 0x0300 | 3862 fdt->unprotect_sec_cmd); 3863 hw->fdt_protect_sec_cmd = fdt->protect_sec_cmd ? 3864 flash_conf_addr(hw, 0x0300 | fdt->protect_sec_cmd) : 3865 flash_conf_addr(hw, 0x0336); 3866 } 3867 goto done; 3868 3869 no_flash_data: 3870 loc = locations[0]; 3871 hw->fdt_block_size = FLASH_BLK_SIZE_64K; 3872 done: 3873 DEBUG2(ql4_printk(KERN_INFO, ha, "FDT[%s]: (0x%x/0x%x) erase=0x%x " 3874 "pro=%x upro=%x wrtd=0x%x blk=0x%x.\n", loc, mid, fid, 3875 hw->fdt_erase_cmd, hw->fdt_protect_sec_cmd, 3876 hw->fdt_unprotect_sec_cmd, hw->fdt_wrt_disable, 3877 hw->fdt_block_size)); 3878 } 3879 3880 static void 3881 qla4_82xx_get_idc_param(struct scsi_qla_host *ha) 3882 { 3883 #define QLA82XX_IDC_PARAM_ADDR 0x003e885c 3884 uint32_t *wptr; 3885 3886 if (!is_qla8022(ha)) 3887 return; 3888 wptr = (uint32_t *)ha->request_ring; 3889 qla4_82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring, 3890 QLA82XX_IDC_PARAM_ADDR , 8); 3891 3892 if (*wptr == __constant_cpu_to_le32(0xffffffff)) { 3893 ha->nx_dev_init_timeout = ROM_DEV_INIT_TIMEOUT; 3894 ha->nx_reset_timeout = ROM_DRV_RESET_ACK_TIMEOUT; 3895 } else { 3896 ha->nx_dev_init_timeout = le32_to_cpu(*wptr++); 3897 ha->nx_reset_timeout = le32_to_cpu(*wptr); 3898 } 3899 3900 DEBUG2(ql4_printk(KERN_DEBUG, ha, 3901 "ha->nx_dev_init_timeout = %d\n", ha->nx_dev_init_timeout)); 3902 DEBUG2(ql4_printk(KERN_DEBUG, ha, 3903 "ha->nx_reset_timeout = %d\n", ha->nx_reset_timeout)); 3904 return; 3905 } 3906 3907 void qla4_82xx_queue_mbox_cmd(struct scsi_qla_host *ha, uint32_t *mbx_cmd, 3908 int in_count) 3909 { 3910 int i; 3911 3912 /* Load all mailbox registers, except mailbox 0. */ 3913 for (i = 1; i < in_count; i++) 3914 writel(mbx_cmd[i], &ha->qla4_82xx_reg->mailbox_in[i]); 3915 3916 /* Wakeup firmware */ 3917 writel(mbx_cmd[0], &ha->qla4_82xx_reg->mailbox_in[0]); 3918 readl(&ha->qla4_82xx_reg->mailbox_in[0]); 3919 writel(HINT_MBX_INT_PENDING, &ha->qla4_82xx_reg->hint); 3920 readl(&ha->qla4_82xx_reg->hint); 3921 } 3922 3923 void qla4_82xx_process_mbox_intr(struct scsi_qla_host *ha, int out_count) 3924 { 3925 int intr_status; 3926 3927 intr_status = readl(&ha->qla4_82xx_reg->host_int); 3928 if (intr_status & ISRX_82XX_RISC_INT) { 3929 ha->mbox_status_count = out_count; 3930 intr_status = readl(&ha->qla4_82xx_reg->host_status); 3931 ha->isp_ops->interrupt_service_routine(ha, intr_status); 3932 3933 if (test_bit(AF_INTERRUPTS_ON, &ha->flags) && 3934 (!ha->pdev->msi_enabled && !ha->pdev->msix_enabled)) 3935 qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 3936 0xfbff); 3937 } 3938 } 3939 3940 int 3941 qla4_8xxx_get_flash_info(struct scsi_qla_host *ha) 3942 { 3943 int ret; 3944 uint32_t flt_addr; 3945 3946 ret = qla4_8xxx_find_flt_start(ha, &flt_addr); 3947 if (ret != QLA_SUCCESS) 3948 return ret; 3949 3950 qla4_8xxx_get_flt_info(ha, flt_addr); 3951 if (is_qla8022(ha)) { 3952 qla4_82xx_get_fdt_info(ha); 3953 qla4_82xx_get_idc_param(ha); 3954 } else if (is_qla8032(ha) || is_qla8042(ha)) { 3955 qla4_83xx_get_idc_param(ha); 3956 } 3957 3958 return QLA_SUCCESS; 3959 } 3960 3961 /** 3962 * qla4_8xxx_stop_firmware - stops firmware on specified adapter instance 3963 * @ha: pointer to host adapter structure. 3964 * 3965 * Remarks: 3966 * For iSCSI, throws away all I/O and AENs into bit bucket, so they will 3967 * not be available after successful return. Driver must cleanup potential 3968 * outstanding I/O's after calling this funcion. 3969 **/ 3970 int 3971 qla4_8xxx_stop_firmware(struct scsi_qla_host *ha) 3972 { 3973 int status; 3974 uint32_t mbox_cmd[MBOX_REG_COUNT]; 3975 uint32_t mbox_sts[MBOX_REG_COUNT]; 3976 3977 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 3978 memset(&mbox_sts, 0, sizeof(mbox_sts)); 3979 3980 mbox_cmd[0] = MBOX_CMD_STOP_FW; 3981 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, 3982 &mbox_cmd[0], &mbox_sts[0]); 3983 3984 DEBUG2(printk("scsi%ld: %s: status = %d\n", ha->host_no, 3985 __func__, status)); 3986 return status; 3987 } 3988 3989 /** 3990 * qla4_82xx_isp_reset - Resets ISP and aborts all outstanding commands. 3991 * @ha: pointer to host adapter structure. 3992 **/ 3993 int 3994 qla4_82xx_isp_reset(struct scsi_qla_host *ha) 3995 { 3996 int rval; 3997 uint32_t dev_state; 3998 3999 qla4_82xx_idc_lock(ha); 4000 dev_state = qla4_82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 4001 4002 if (dev_state == QLA8XXX_DEV_READY) { 4003 ql4_printk(KERN_INFO, ha, "HW State: NEED RESET\n"); 4004 qla4_82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, 4005 QLA8XXX_DEV_NEED_RESET); 4006 set_bit(AF_8XXX_RST_OWNER, &ha->flags); 4007 } else 4008 ql4_printk(KERN_INFO, ha, "HW State: DEVICE INITIALIZING\n"); 4009 4010 qla4_82xx_idc_unlock(ha); 4011 4012 rval = qla4_8xxx_device_state_handler(ha); 4013 4014 qla4_82xx_idc_lock(ha); 4015 qla4_8xxx_clear_rst_ready(ha); 4016 qla4_82xx_idc_unlock(ha); 4017 4018 if (rval == QLA_SUCCESS) { 4019 ql4_printk(KERN_INFO, ha, "Clearing AF_RECOVERY in qla4_82xx_isp_reset\n"); 4020 clear_bit(AF_FW_RECOVERY, &ha->flags); 4021 } 4022 4023 return rval; 4024 } 4025 4026 /** 4027 * qla4_8xxx_get_sys_info - get adapter MAC address(es) and serial number 4028 * @ha: pointer to host adapter structure. 4029 * 4030 **/ 4031 int qla4_8xxx_get_sys_info(struct scsi_qla_host *ha) 4032 { 4033 uint32_t mbox_cmd[MBOX_REG_COUNT]; 4034 uint32_t mbox_sts[MBOX_REG_COUNT]; 4035 struct mbx_sys_info *sys_info; 4036 dma_addr_t sys_info_dma; 4037 int status = QLA_ERROR; 4038 4039 sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info), 4040 &sys_info_dma, GFP_KERNEL); 4041 if (sys_info == NULL) { 4042 DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", 4043 ha->host_no, __func__)); 4044 return status; 4045 } 4046 4047 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 4048 memset(&mbox_sts, 0, sizeof(mbox_sts)); 4049 4050 mbox_cmd[0] = MBOX_CMD_GET_SYS_INFO; 4051 mbox_cmd[1] = LSDW(sys_info_dma); 4052 mbox_cmd[2] = MSDW(sys_info_dma); 4053 mbox_cmd[4] = sizeof(*sys_info); 4054 4055 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 6, &mbox_cmd[0], 4056 &mbox_sts[0]) != QLA_SUCCESS) { 4057 DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO failed\n", 4058 ha->host_no, __func__)); 4059 goto exit_validate_mac82; 4060 } 4061 4062 /* Make sure we receive the minimum required data to cache internally */ 4063 if (((is_qla8032(ha) || is_qla8042(ha)) ? mbox_sts[3] : mbox_sts[4]) < 4064 offsetof(struct mbx_sys_info, reserved)) { 4065 DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO data receive" 4066 " error (%x)\n", ha->host_no, __func__, mbox_sts[4])); 4067 goto exit_validate_mac82; 4068 } 4069 4070 /* Save M.A.C. address & serial_number */ 4071 ha->port_num = sys_info->port_num; 4072 memcpy(ha->my_mac, &sys_info->mac_addr[0], 4073 min(sizeof(ha->my_mac), sizeof(sys_info->mac_addr))); 4074 memcpy(ha->serial_number, &sys_info->serial_number, 4075 min(sizeof(ha->serial_number), sizeof(sys_info->serial_number))); 4076 memcpy(ha->model_name, &sys_info->board_id_str, 4077 min(sizeof(ha->model_name), sizeof(sys_info->board_id_str))); 4078 ha->phy_port_cnt = sys_info->phys_port_cnt; 4079 ha->phy_port_num = sys_info->port_num; 4080 ha->iscsi_pci_func_cnt = sys_info->iscsi_pci_func_cnt; 4081 4082 DEBUG2(printk("scsi%ld: %s: mac %pM serial %s\n", 4083 ha->host_no, __func__, ha->my_mac, ha->serial_number)); 4084 4085 status = QLA_SUCCESS; 4086 4087 exit_validate_mac82: 4088 dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info, 4089 sys_info_dma); 4090 return status; 4091 } 4092 4093 /* Interrupt handling helpers. */ 4094 4095 int qla4_8xxx_intr_enable(struct scsi_qla_host *ha) 4096 { 4097 uint32_t mbox_cmd[MBOX_REG_COUNT]; 4098 uint32_t mbox_sts[MBOX_REG_COUNT]; 4099 4100 DEBUG2(ql4_printk(KERN_INFO, ha, "%s\n", __func__)); 4101 4102 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 4103 memset(&mbox_sts, 0, sizeof(mbox_sts)); 4104 mbox_cmd[0] = MBOX_CMD_ENABLE_INTRS; 4105 mbox_cmd[1] = INTR_ENABLE; 4106 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], 4107 &mbox_sts[0]) != QLA_SUCCESS) { 4108 DEBUG2(ql4_printk(KERN_INFO, ha, 4109 "%s: MBOX_CMD_ENABLE_INTRS failed (0x%04x)\n", 4110 __func__, mbox_sts[0])); 4111 return QLA_ERROR; 4112 } 4113 return QLA_SUCCESS; 4114 } 4115 4116 int qla4_8xxx_intr_disable(struct scsi_qla_host *ha) 4117 { 4118 uint32_t mbox_cmd[MBOX_REG_COUNT]; 4119 uint32_t mbox_sts[MBOX_REG_COUNT]; 4120 4121 DEBUG2(ql4_printk(KERN_INFO, ha, "%s\n", __func__)); 4122 4123 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 4124 memset(&mbox_sts, 0, sizeof(mbox_sts)); 4125 mbox_cmd[0] = MBOX_CMD_ENABLE_INTRS; 4126 mbox_cmd[1] = INTR_DISABLE; 4127 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], 4128 &mbox_sts[0]) != QLA_SUCCESS) { 4129 DEBUG2(ql4_printk(KERN_INFO, ha, 4130 "%s: MBOX_CMD_ENABLE_INTRS failed (0x%04x)\n", 4131 __func__, mbox_sts[0])); 4132 return QLA_ERROR; 4133 } 4134 4135 return QLA_SUCCESS; 4136 } 4137 4138 void 4139 qla4_82xx_enable_intrs(struct scsi_qla_host *ha) 4140 { 4141 qla4_8xxx_intr_enable(ha); 4142 4143 spin_lock_irq(&ha->hardware_lock); 4144 /* BIT 10 - reset */ 4145 qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff); 4146 spin_unlock_irq(&ha->hardware_lock); 4147 set_bit(AF_INTERRUPTS_ON, &ha->flags); 4148 } 4149 4150 void 4151 qla4_82xx_disable_intrs(struct scsi_qla_host *ha) 4152 { 4153 if (test_and_clear_bit(AF_INTERRUPTS_ON, &ha->flags)) 4154 qla4_8xxx_intr_disable(ha); 4155 4156 spin_lock_irq(&ha->hardware_lock); 4157 /* BIT 10 - set */ 4158 qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400); 4159 spin_unlock_irq(&ha->hardware_lock); 4160 } 4161 4162 int 4163 qla4_8xxx_enable_msix(struct scsi_qla_host *ha) 4164 { 4165 int ret; 4166 4167 ret = pci_alloc_irq_vectors(ha->pdev, QLA_MSIX_ENTRIES, 4168 QLA_MSIX_ENTRIES, PCI_IRQ_MSIX); 4169 if (ret < 0) { 4170 ql4_printk(KERN_WARNING, ha, 4171 "MSI-X: Failed to enable support -- %d/%d\n", 4172 QLA_MSIX_ENTRIES, ret); 4173 return ret; 4174 } 4175 4176 ret = request_irq(pci_irq_vector(ha->pdev, 0), 4177 qla4_8xxx_default_intr_handler, 0, "qla4xxx (default)", 4178 ha); 4179 if (ret) 4180 goto out_free_vectors; 4181 4182 ret = request_irq(pci_irq_vector(ha->pdev, 1), 4183 qla4_8xxx_msix_rsp_q, 0, "qla4xxx (rsp_q)", ha); 4184 if (ret) 4185 goto out_free_default_irq; 4186 4187 return 0; 4188 4189 out_free_default_irq: 4190 free_irq(pci_irq_vector(ha->pdev, 0), ha); 4191 out_free_vectors: 4192 pci_free_irq_vectors(ha->pdev); 4193 return ret; 4194 } 4195 4196 int qla4_8xxx_check_init_adapter_retry(struct scsi_qla_host *ha) 4197 { 4198 int status = QLA_SUCCESS; 4199 4200 /* Dont retry adapter initialization if IRQ allocation failed */ 4201 if (!test_bit(AF_IRQ_ATTACHED, &ha->flags)) { 4202 ql4_printk(KERN_WARNING, ha, "%s: Skipping retry of adapter initialization as IRQs are not attached\n", 4203 __func__); 4204 status = QLA_ERROR; 4205 goto exit_init_adapter_failure; 4206 } 4207 4208 /* Since interrupts are registered in start_firmware for 4209 * 8xxx, release them here if initialize_adapter fails 4210 * and retry adapter initialization */ 4211 qla4xxx_free_irqs(ha); 4212 4213 exit_init_adapter_failure: 4214 return status; 4215 } 4216