1 /* 2 * QLogic iSCSI HBA Driver 3 * Copyright (c) 2003-2013 QLogic Corporation 4 * 5 * See LICENSE.qla4xxx for copyright and licensing details. 6 */ 7 #include <linux/delay.h> 8 #include <linux/io.h> 9 #include <linux/pci.h> 10 #include <linux/ratelimit.h> 11 #include "ql4_def.h" 12 #include "ql4_glbl.h" 13 #include "ql4_inline.h" 14 15 #include <asm-generic/io-64-nonatomic-lo-hi.h> 16 17 #define TIMEOUT_100_MS 100 18 #define MASK(n) DMA_BIT_MASK(n) 19 #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff)) 20 #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff)) 21 #define MS_WIN(addr) (addr & 0x0ffc0000) 22 #define QLA82XX_PCI_MN_2M (0) 23 #define QLA82XX_PCI_MS_2M (0x80000) 24 #define QLA82XX_PCI_OCM0_2M (0xc0000) 25 #define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800) 26 #define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) 27 28 /* CRB window related */ 29 #define CRB_BLK(off) ((off >> 20) & 0x3f) 30 #define CRB_SUBBLK(off) ((off >> 16) & 0xf) 31 #define CRB_WINDOW_2M (0x130060) 32 #define CRB_HI(off) ((qla4_82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \ 33 ((off) & 0xf0000)) 34 #define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL) 35 #define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL) 36 #define CRB_INDIRECT_2M (0x1e0000UL) 37 38 static inline void __iomem * 39 qla4_8xxx_pci_base_offsetfset(struct scsi_qla_host *ha, unsigned long off) 40 { 41 if ((off < ha->first_page_group_end) && 42 (off >= ha->first_page_group_start)) 43 return (void __iomem *)(ha->nx_pcibase + off); 44 45 return NULL; 46 } 47 48 #define MAX_CRB_XFORM 60 49 static unsigned long crb_addr_xform[MAX_CRB_XFORM]; 50 static int qla4_8xxx_crb_table_initialized; 51 52 #define qla4_8xxx_crb_addr_transform(name) \ 53 (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \ 54 QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20) 55 static void 56 qla4_82xx_crb_addr_transform_setup(void) 57 { 58 qla4_8xxx_crb_addr_transform(XDMA); 59 qla4_8xxx_crb_addr_transform(TIMR); 60 qla4_8xxx_crb_addr_transform(SRE); 61 qla4_8xxx_crb_addr_transform(SQN3); 62 qla4_8xxx_crb_addr_transform(SQN2); 63 qla4_8xxx_crb_addr_transform(SQN1); 64 qla4_8xxx_crb_addr_transform(SQN0); 65 qla4_8xxx_crb_addr_transform(SQS3); 66 qla4_8xxx_crb_addr_transform(SQS2); 67 qla4_8xxx_crb_addr_transform(SQS1); 68 qla4_8xxx_crb_addr_transform(SQS0); 69 qla4_8xxx_crb_addr_transform(RPMX7); 70 qla4_8xxx_crb_addr_transform(RPMX6); 71 qla4_8xxx_crb_addr_transform(RPMX5); 72 qla4_8xxx_crb_addr_transform(RPMX4); 73 qla4_8xxx_crb_addr_transform(RPMX3); 74 qla4_8xxx_crb_addr_transform(RPMX2); 75 qla4_8xxx_crb_addr_transform(RPMX1); 76 qla4_8xxx_crb_addr_transform(RPMX0); 77 qla4_8xxx_crb_addr_transform(ROMUSB); 78 qla4_8xxx_crb_addr_transform(SN); 79 qla4_8xxx_crb_addr_transform(QMN); 80 qla4_8xxx_crb_addr_transform(QMS); 81 qla4_8xxx_crb_addr_transform(PGNI); 82 qla4_8xxx_crb_addr_transform(PGND); 83 qla4_8xxx_crb_addr_transform(PGN3); 84 qla4_8xxx_crb_addr_transform(PGN2); 85 qla4_8xxx_crb_addr_transform(PGN1); 86 qla4_8xxx_crb_addr_transform(PGN0); 87 qla4_8xxx_crb_addr_transform(PGSI); 88 qla4_8xxx_crb_addr_transform(PGSD); 89 qla4_8xxx_crb_addr_transform(PGS3); 90 qla4_8xxx_crb_addr_transform(PGS2); 91 qla4_8xxx_crb_addr_transform(PGS1); 92 qla4_8xxx_crb_addr_transform(PGS0); 93 qla4_8xxx_crb_addr_transform(PS); 94 qla4_8xxx_crb_addr_transform(PH); 95 qla4_8xxx_crb_addr_transform(NIU); 96 qla4_8xxx_crb_addr_transform(I2Q); 97 qla4_8xxx_crb_addr_transform(EG); 98 qla4_8xxx_crb_addr_transform(MN); 99 qla4_8xxx_crb_addr_transform(MS); 100 qla4_8xxx_crb_addr_transform(CAS2); 101 qla4_8xxx_crb_addr_transform(CAS1); 102 qla4_8xxx_crb_addr_transform(CAS0); 103 qla4_8xxx_crb_addr_transform(CAM); 104 qla4_8xxx_crb_addr_transform(C2C1); 105 qla4_8xxx_crb_addr_transform(C2C0); 106 qla4_8xxx_crb_addr_transform(SMB); 107 qla4_8xxx_crb_addr_transform(OCM0); 108 qla4_8xxx_crb_addr_transform(I2C0); 109 110 qla4_8xxx_crb_table_initialized = 1; 111 } 112 113 static struct crb_128M_2M_block_map crb_128M_2M_map[64] = { 114 {{{0, 0, 0, 0} } }, /* 0: PCI */ 115 {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */ 116 {1, 0x0110000, 0x0120000, 0x130000}, 117 {1, 0x0120000, 0x0122000, 0x124000}, 118 {1, 0x0130000, 0x0132000, 0x126000}, 119 {1, 0x0140000, 0x0142000, 0x128000}, 120 {1, 0x0150000, 0x0152000, 0x12a000}, 121 {1, 0x0160000, 0x0170000, 0x110000}, 122 {1, 0x0170000, 0x0172000, 0x12e000}, 123 {0, 0x0000000, 0x0000000, 0x000000}, 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 {1, 0x01e0000, 0x01e0800, 0x122000}, 130 {0, 0x0000000, 0x0000000, 0x000000} } }, 131 {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */ 132 {{{0, 0, 0, 0} } }, /* 3: */ 133 {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */ 134 {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */ 135 {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */ 136 {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */ 137 {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */ 138 {0, 0x0000000, 0x0000000, 0x000000}, 139 {0, 0x0000000, 0x0000000, 0x000000}, 140 {0, 0x0000000, 0x0000000, 0x000000}, 141 {0, 0x0000000, 0x0000000, 0x000000}, 142 {0, 0x0000000, 0x0000000, 0x000000}, 143 {0, 0x0000000, 0x0000000, 0x000000}, 144 {0, 0x0000000, 0x0000000, 0x000000}, 145 {0, 0x0000000, 0x0000000, 0x000000}, 146 {0, 0x0000000, 0x0000000, 0x000000}, 147 {0, 0x0000000, 0x0000000, 0x000000}, 148 {0, 0x0000000, 0x0000000, 0x000000}, 149 {0, 0x0000000, 0x0000000, 0x000000}, 150 {0, 0x0000000, 0x0000000, 0x000000}, 151 {0, 0x0000000, 0x0000000, 0x000000}, 152 {1, 0x08f0000, 0x08f2000, 0x172000} } }, 153 {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/ 154 {0, 0x0000000, 0x0000000, 0x000000}, 155 {0, 0x0000000, 0x0000000, 0x000000}, 156 {0, 0x0000000, 0x0000000, 0x000000}, 157 {0, 0x0000000, 0x0000000, 0x000000}, 158 {0, 0x0000000, 0x0000000, 0x000000}, 159 {0, 0x0000000, 0x0000000, 0x000000}, 160 {0, 0x0000000, 0x0000000, 0x000000}, 161 {0, 0x0000000, 0x0000000, 0x000000}, 162 {0, 0x0000000, 0x0000000, 0x000000}, 163 {0, 0x0000000, 0x0000000, 0x000000}, 164 {0, 0x0000000, 0x0000000, 0x000000}, 165 {0, 0x0000000, 0x0000000, 0x000000}, 166 {0, 0x0000000, 0x0000000, 0x000000}, 167 {0, 0x0000000, 0x0000000, 0x000000}, 168 {1, 0x09f0000, 0x09f2000, 0x176000} } }, 169 {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/ 170 {0, 0x0000000, 0x0000000, 0x000000}, 171 {0, 0x0000000, 0x0000000, 0x000000}, 172 {0, 0x0000000, 0x0000000, 0x000000}, 173 {0, 0x0000000, 0x0000000, 0x000000}, 174 {0, 0x0000000, 0x0000000, 0x000000}, 175 {0, 0x0000000, 0x0000000, 0x000000}, 176 {0, 0x0000000, 0x0000000, 0x000000}, 177 {0, 0x0000000, 0x0000000, 0x000000}, 178 {0, 0x0000000, 0x0000000, 0x000000}, 179 {0, 0x0000000, 0x0000000, 0x000000}, 180 {0, 0x0000000, 0x0000000, 0x000000}, 181 {0, 0x0000000, 0x0000000, 0x000000}, 182 {0, 0x0000000, 0x0000000, 0x000000}, 183 {0, 0x0000000, 0x0000000, 0x000000}, 184 {1, 0x0af0000, 0x0af2000, 0x17a000} } }, 185 {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/ 186 {0, 0x0000000, 0x0000000, 0x000000}, 187 {0, 0x0000000, 0x0000000, 0x000000}, 188 {0, 0x0000000, 0x0000000, 0x000000}, 189 {0, 0x0000000, 0x0000000, 0x000000}, 190 {0, 0x0000000, 0x0000000, 0x000000}, 191 {0, 0x0000000, 0x0000000, 0x000000}, 192 {0, 0x0000000, 0x0000000, 0x000000}, 193 {0, 0x0000000, 0x0000000, 0x000000}, 194 {0, 0x0000000, 0x0000000, 0x000000}, 195 {0, 0x0000000, 0x0000000, 0x000000}, 196 {0, 0x0000000, 0x0000000, 0x000000}, 197 {0, 0x0000000, 0x0000000, 0x000000}, 198 {0, 0x0000000, 0x0000000, 0x000000}, 199 {0, 0x0000000, 0x0000000, 0x000000}, 200 {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, 201 {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */ 202 {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */ 203 {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */ 204 {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */ 205 {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */ 206 {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */ 207 {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */ 208 {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */ 209 {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */ 210 {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */ 211 {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */ 212 {{{0, 0, 0, 0} } }, /* 23: */ 213 {{{0, 0, 0, 0} } }, /* 24: */ 214 {{{0, 0, 0, 0} } }, /* 25: */ 215 {{{0, 0, 0, 0} } }, /* 26: */ 216 {{{0, 0, 0, 0} } }, /* 27: */ 217 {{{0, 0, 0, 0} } }, /* 28: */ 218 {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */ 219 {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */ 220 {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */ 221 {{{0} } }, /* 32: PCI */ 222 {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */ 223 {1, 0x2110000, 0x2120000, 0x130000}, 224 {1, 0x2120000, 0x2122000, 0x124000}, 225 {1, 0x2130000, 0x2132000, 0x126000}, 226 {1, 0x2140000, 0x2142000, 0x128000}, 227 {1, 0x2150000, 0x2152000, 0x12a000}, 228 {1, 0x2160000, 0x2170000, 0x110000}, 229 {1, 0x2170000, 0x2172000, 0x12e000}, 230 {0, 0x0000000, 0x0000000, 0x000000}, 231 {0, 0x0000000, 0x0000000, 0x000000}, 232 {0, 0x0000000, 0x0000000, 0x000000}, 233 {0, 0x0000000, 0x0000000, 0x000000}, 234 {0, 0x0000000, 0x0000000, 0x000000}, 235 {0, 0x0000000, 0x0000000, 0x000000}, 236 {0, 0x0000000, 0x0000000, 0x000000}, 237 {0, 0x0000000, 0x0000000, 0x000000} } }, 238 {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */ 239 {{{0} } }, /* 35: */ 240 {{{0} } }, /* 36: */ 241 {{{0} } }, /* 37: */ 242 {{{0} } }, /* 38: */ 243 {{{0} } }, /* 39: */ 244 {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */ 245 {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */ 246 {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */ 247 {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */ 248 {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */ 249 {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */ 250 {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */ 251 {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */ 252 {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */ 253 {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */ 254 {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */ 255 {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */ 256 {{{0} } }, /* 52: */ 257 {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */ 258 {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */ 259 {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */ 260 {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */ 261 {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */ 262 {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */ 263 {{{0} } }, /* 59: I2C0 */ 264 {{{0} } }, /* 60: I2C1 */ 265 {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } },/* 61: LPC */ 266 {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */ 267 {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */ 268 }; 269 270 /* 271 * top 12 bits of crb internal address (hub, agent) 272 */ 273 static unsigned qla4_82xx_crb_hub_agt[64] = { 274 0, 275 QLA82XX_HW_CRB_HUB_AGT_ADR_PS, 276 QLA82XX_HW_CRB_HUB_AGT_ADR_MN, 277 QLA82XX_HW_CRB_HUB_AGT_ADR_MS, 278 0, 279 QLA82XX_HW_CRB_HUB_AGT_ADR_SRE, 280 QLA82XX_HW_CRB_HUB_AGT_ADR_NIU, 281 QLA82XX_HW_CRB_HUB_AGT_ADR_QMN, 282 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0, 283 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1, 284 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2, 285 QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3, 286 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q, 287 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR, 288 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB, 289 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4, 290 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA, 291 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0, 292 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1, 293 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2, 294 QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3, 295 QLA82XX_HW_CRB_HUB_AGT_ADR_PGND, 296 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI, 297 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0, 298 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1, 299 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2, 300 QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3, 301 0, 302 QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI, 303 QLA82XX_HW_CRB_HUB_AGT_ADR_SN, 304 0, 305 QLA82XX_HW_CRB_HUB_AGT_ADR_EG, 306 0, 307 QLA82XX_HW_CRB_HUB_AGT_ADR_PS, 308 QLA82XX_HW_CRB_HUB_AGT_ADR_CAM, 309 0, 310 0, 311 0, 312 0, 313 0, 314 QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR, 315 0, 316 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1, 317 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2, 318 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3, 319 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4, 320 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5, 321 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6, 322 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7, 323 QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA, 324 QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q, 325 QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB, 326 0, 327 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0, 328 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8, 329 QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9, 330 QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0, 331 0, 332 QLA82XX_HW_CRB_HUB_AGT_ADR_SMB, 333 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0, 334 QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1, 335 0, 336 QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC, 337 0, 338 }; 339 340 /* Device states */ 341 static char *qdev_state[] = { 342 "Unknown", 343 "Cold", 344 "Initializing", 345 "Ready", 346 "Need Reset", 347 "Need Quiescent", 348 "Failed", 349 "Quiescent", 350 }; 351 352 /* 353 * In: 'off' is offset from CRB space in 128M pci map 354 * Out: 'off' is 2M pci map addr 355 * side effect: lock crb window 356 */ 357 static void 358 qla4_82xx_pci_set_crbwindow_2M(struct scsi_qla_host *ha, ulong *off) 359 { 360 u32 win_read; 361 362 ha->crb_win = CRB_HI(*off); 363 writel(ha->crb_win, 364 (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); 365 366 /* Read back value to make sure write has gone through before trying 367 * to use it. */ 368 win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); 369 if (win_read != ha->crb_win) { 370 DEBUG2(ql4_printk(KERN_INFO, ha, 371 "%s: Written crbwin (0x%x) != Read crbwin (0x%x)," 372 " off=0x%lx\n", __func__, ha->crb_win, win_read, *off)); 373 } 374 *off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase; 375 } 376 377 void 378 qla4_82xx_wr_32(struct scsi_qla_host *ha, ulong off, u32 data) 379 { 380 unsigned long flags = 0; 381 int rv; 382 383 rv = qla4_82xx_pci_get_crb_addr_2M(ha, &off); 384 385 BUG_ON(rv == -1); 386 387 if (rv == 1) { 388 write_lock_irqsave(&ha->hw_lock, flags); 389 qla4_82xx_crb_win_lock(ha); 390 qla4_82xx_pci_set_crbwindow_2M(ha, &off); 391 } 392 393 writel(data, (void __iomem *)off); 394 395 if (rv == 1) { 396 qla4_82xx_crb_win_unlock(ha); 397 write_unlock_irqrestore(&ha->hw_lock, flags); 398 } 399 } 400 401 uint32_t qla4_82xx_rd_32(struct scsi_qla_host *ha, ulong off) 402 { 403 unsigned long flags = 0; 404 int rv; 405 u32 data; 406 407 rv = qla4_82xx_pci_get_crb_addr_2M(ha, &off); 408 409 BUG_ON(rv == -1); 410 411 if (rv == 1) { 412 write_lock_irqsave(&ha->hw_lock, flags); 413 qla4_82xx_crb_win_lock(ha); 414 qla4_82xx_pci_set_crbwindow_2M(ha, &off); 415 } 416 data = readl((void __iomem *)off); 417 418 if (rv == 1) { 419 qla4_82xx_crb_win_unlock(ha); 420 write_unlock_irqrestore(&ha->hw_lock, flags); 421 } 422 return data; 423 } 424 425 /* Minidump related functions */ 426 int qla4_82xx_md_rd_32(struct scsi_qla_host *ha, uint32_t off, uint32_t *data) 427 { 428 uint32_t win_read, off_value; 429 int rval = QLA_SUCCESS; 430 431 off_value = off & 0xFFFF0000; 432 writel(off_value, (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); 433 434 /* 435 * Read back value to make sure write has gone through before trying 436 * to use it. 437 */ 438 win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); 439 if (win_read != off_value) { 440 DEBUG2(ql4_printk(KERN_INFO, ha, 441 "%s: Written (0x%x) != Read (0x%x), off=0x%x\n", 442 __func__, off_value, win_read, off)); 443 rval = QLA_ERROR; 444 } else { 445 off_value = off & 0x0000FFFF; 446 *data = readl((void __iomem *)(off_value + CRB_INDIRECT_2M + 447 ha->nx_pcibase)); 448 } 449 return rval; 450 } 451 452 int qla4_82xx_md_wr_32(struct scsi_qla_host *ha, uint32_t off, uint32_t data) 453 { 454 uint32_t win_read, off_value; 455 int rval = QLA_SUCCESS; 456 457 off_value = off & 0xFFFF0000; 458 writel(off_value, (void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); 459 460 /* Read back value to make sure write has gone through before trying 461 * to use it. 462 */ 463 win_read = readl((void __iomem *)(CRB_WINDOW_2M + ha->nx_pcibase)); 464 if (win_read != off_value) { 465 DEBUG2(ql4_printk(KERN_INFO, ha, 466 "%s: Written (0x%x) != Read (0x%x), off=0x%x\n", 467 __func__, off_value, win_read, off)); 468 rval = QLA_ERROR; 469 } else { 470 off_value = off & 0x0000FFFF; 471 writel(data, (void __iomem *)(off_value + CRB_INDIRECT_2M + 472 ha->nx_pcibase)); 473 } 474 return rval; 475 } 476 477 #define CRB_WIN_LOCK_TIMEOUT 100000000 478 479 int qla4_82xx_crb_win_lock(struct scsi_qla_host *ha) 480 { 481 int i; 482 int done = 0, timeout = 0; 483 484 while (!done) { 485 /* acquire semaphore3 from PCI HW block */ 486 done = qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK)); 487 if (done == 1) 488 break; 489 if (timeout >= CRB_WIN_LOCK_TIMEOUT) 490 return -1; 491 492 timeout++; 493 494 /* Yield CPU */ 495 if (!in_interrupt()) 496 schedule(); 497 else { 498 for (i = 0; i < 20; i++) 499 cpu_relax(); /*This a nop instr on i386*/ 500 } 501 } 502 qla4_82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->func_num); 503 return 0; 504 } 505 506 void qla4_82xx_crb_win_unlock(struct scsi_qla_host *ha) 507 { 508 qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK)); 509 } 510 511 #define IDC_LOCK_TIMEOUT 100000000 512 513 /** 514 * qla4_82xx_idc_lock - hw_lock 515 * @ha: pointer to adapter structure 516 * 517 * General purpose lock used to synchronize access to 518 * CRB_DEV_STATE, CRB_DEV_REF_COUNT, etc. 519 **/ 520 int qla4_82xx_idc_lock(struct scsi_qla_host *ha) 521 { 522 int i; 523 int done = 0, timeout = 0; 524 525 while (!done) { 526 /* acquire semaphore5 from PCI HW block */ 527 done = qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK)); 528 if (done == 1) 529 break; 530 if (timeout >= IDC_LOCK_TIMEOUT) 531 return -1; 532 533 timeout++; 534 535 /* Yield CPU */ 536 if (!in_interrupt()) 537 schedule(); 538 else { 539 for (i = 0; i < 20; i++) 540 cpu_relax(); /*This a nop instr on i386*/ 541 } 542 } 543 return 0; 544 } 545 546 void qla4_82xx_idc_unlock(struct scsi_qla_host *ha) 547 { 548 qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK)); 549 } 550 551 int 552 qla4_82xx_pci_get_crb_addr_2M(struct scsi_qla_host *ha, ulong *off) 553 { 554 struct crb_128M_2M_sub_block_map *m; 555 556 if (*off >= QLA82XX_CRB_MAX) 557 return -1; 558 559 if (*off >= QLA82XX_PCI_CAMQM && (*off < QLA82XX_PCI_CAMQM_2M_END)) { 560 *off = (*off - QLA82XX_PCI_CAMQM) + 561 QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase; 562 return 0; 563 } 564 565 if (*off < QLA82XX_PCI_CRBSPACE) 566 return -1; 567 568 *off -= QLA82XX_PCI_CRBSPACE; 569 /* 570 * Try direct map 571 */ 572 573 m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)]; 574 575 if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) { 576 *off = *off + m->start_2M - m->start_128M + ha->nx_pcibase; 577 return 0; 578 } 579 580 /* 581 * Not in direct map, use crb window 582 */ 583 return 1; 584 } 585 586 /* 587 * check memory access boundary. 588 * used by test agent. support ddr access only for now 589 */ 590 static unsigned long 591 qla4_82xx_pci_mem_bound_check(struct scsi_qla_host *ha, 592 unsigned long long addr, int size) 593 { 594 if (!QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_DDR_NET, 595 QLA8XXX_ADDR_DDR_NET_MAX) || 596 !QLA8XXX_ADDR_IN_RANGE(addr + size - 1, 597 QLA8XXX_ADDR_DDR_NET, QLA8XXX_ADDR_DDR_NET_MAX) || 598 ((size != 1) && (size != 2) && (size != 4) && (size != 8))) { 599 return 0; 600 } 601 return 1; 602 } 603 604 static int qla4_82xx_pci_set_window_warning_count; 605 606 static unsigned long 607 qla4_82xx_pci_set_window(struct scsi_qla_host *ha, unsigned long long addr) 608 { 609 int window; 610 u32 win_read; 611 612 if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_DDR_NET, 613 QLA8XXX_ADDR_DDR_NET_MAX)) { 614 /* DDR network side */ 615 window = MN_WIN(addr); 616 ha->ddr_mn_window = window; 617 qla4_82xx_wr_32(ha, ha->mn_win_crb | 618 QLA82XX_PCI_CRBSPACE, window); 619 win_read = qla4_82xx_rd_32(ha, ha->mn_win_crb | 620 QLA82XX_PCI_CRBSPACE); 621 if ((win_read << 17) != window) { 622 ql4_printk(KERN_WARNING, ha, 623 "%s: Written MNwin (0x%x) != Read MNwin (0x%x)\n", 624 __func__, window, win_read); 625 } 626 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET; 627 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_OCM0, 628 QLA8XXX_ADDR_OCM0_MAX)) { 629 unsigned int temp1; 630 /* if bits 19:18&17:11 are on */ 631 if ((addr & 0x00ff800) == 0xff800) { 632 printk("%s: QM access not handled.\n", __func__); 633 addr = -1UL; 634 } 635 636 window = OCM_WIN(addr); 637 ha->ddr_mn_window = window; 638 qla4_82xx_wr_32(ha, ha->mn_win_crb | 639 QLA82XX_PCI_CRBSPACE, window); 640 win_read = qla4_82xx_rd_32(ha, ha->mn_win_crb | 641 QLA82XX_PCI_CRBSPACE); 642 temp1 = ((window & 0x1FF) << 7) | 643 ((window & 0x0FFFE0000) >> 17); 644 if (win_read != temp1) { 645 printk("%s: Written OCMwin (0x%x) != Read" 646 " OCMwin (0x%x)\n", __func__, temp1, win_read); 647 } 648 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M; 649 650 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_QDR_NET, 651 QLA82XX_P3_ADDR_QDR_NET_MAX)) { 652 /* QDR network side */ 653 window = MS_WIN(addr); 654 ha->qdr_sn_window = window; 655 qla4_82xx_wr_32(ha, ha->ms_win_crb | 656 QLA82XX_PCI_CRBSPACE, window); 657 win_read = qla4_82xx_rd_32(ha, 658 ha->ms_win_crb | QLA82XX_PCI_CRBSPACE); 659 if (win_read != window) { 660 printk("%s: Written MSwin (0x%x) != Read " 661 "MSwin (0x%x)\n", __func__, window, win_read); 662 } 663 addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET; 664 665 } else { 666 /* 667 * peg gdb frequently accesses memory that doesn't exist, 668 * this limits the chit chat so debugging isn't slowed down. 669 */ 670 if ((qla4_82xx_pci_set_window_warning_count++ < 8) || 671 (qla4_82xx_pci_set_window_warning_count%64 == 0)) { 672 printk("%s: Warning:%s Unknown address range!\n", 673 __func__, DRIVER_NAME); 674 } 675 addr = -1UL; 676 } 677 return addr; 678 } 679 680 /* check if address is in the same windows as the previous access */ 681 static int qla4_82xx_pci_is_same_window(struct scsi_qla_host *ha, 682 unsigned long long addr) 683 { 684 int window; 685 unsigned long long qdr_max; 686 687 qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX; 688 689 if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_DDR_NET, 690 QLA8XXX_ADDR_DDR_NET_MAX)) { 691 /* DDR network side */ 692 BUG(); /* MN access can not come here */ 693 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_OCM0, 694 QLA8XXX_ADDR_OCM0_MAX)) { 695 return 1; 696 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_OCM1, 697 QLA8XXX_ADDR_OCM1_MAX)) { 698 return 1; 699 } else if (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_QDR_NET, 700 qdr_max)) { 701 /* QDR network side */ 702 window = ((addr - QLA8XXX_ADDR_QDR_NET) >> 22) & 0x3f; 703 if (ha->qdr_sn_window == window) 704 return 1; 705 } 706 707 return 0; 708 } 709 710 static int qla4_82xx_pci_mem_read_direct(struct scsi_qla_host *ha, 711 u64 off, void *data, int size) 712 { 713 unsigned long flags; 714 void __iomem *addr; 715 int ret = 0; 716 u64 start; 717 void __iomem *mem_ptr = NULL; 718 unsigned long mem_base; 719 unsigned long mem_page; 720 721 write_lock_irqsave(&ha->hw_lock, flags); 722 723 /* 724 * If attempting to access unknown address or straddle hw windows, 725 * do not access. 726 */ 727 start = qla4_82xx_pci_set_window(ha, off); 728 if ((start == -1UL) || 729 (qla4_82xx_pci_is_same_window(ha, off + size - 1) == 0)) { 730 write_unlock_irqrestore(&ha->hw_lock, flags); 731 printk(KERN_ERR"%s out of bound pci memory access. " 732 "offset is 0x%llx\n", DRIVER_NAME, off); 733 return -1; 734 } 735 736 addr = qla4_8xxx_pci_base_offsetfset(ha, start); 737 if (!addr) { 738 write_unlock_irqrestore(&ha->hw_lock, flags); 739 mem_base = pci_resource_start(ha->pdev, 0); 740 mem_page = start & PAGE_MASK; 741 /* Map two pages whenever user tries to access addresses in two 742 consecutive pages. 743 */ 744 if (mem_page != ((start + size - 1) & PAGE_MASK)) 745 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2); 746 else 747 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); 748 749 if (mem_ptr == NULL) { 750 *(u8 *)data = 0; 751 return -1; 752 } 753 addr = mem_ptr; 754 addr += start & (PAGE_SIZE - 1); 755 write_lock_irqsave(&ha->hw_lock, flags); 756 } 757 758 switch (size) { 759 case 1: 760 *(u8 *)data = readb(addr); 761 break; 762 case 2: 763 *(u16 *)data = readw(addr); 764 break; 765 case 4: 766 *(u32 *)data = readl(addr); 767 break; 768 case 8: 769 *(u64 *)data = readq(addr); 770 break; 771 default: 772 ret = -1; 773 break; 774 } 775 write_unlock_irqrestore(&ha->hw_lock, flags); 776 777 if (mem_ptr) 778 iounmap(mem_ptr); 779 return ret; 780 } 781 782 static int 783 qla4_82xx_pci_mem_write_direct(struct scsi_qla_host *ha, u64 off, 784 void *data, int size) 785 { 786 unsigned long flags; 787 void __iomem *addr; 788 int ret = 0; 789 u64 start; 790 void __iomem *mem_ptr = NULL; 791 unsigned long mem_base; 792 unsigned long mem_page; 793 794 write_lock_irqsave(&ha->hw_lock, flags); 795 796 /* 797 * If attempting to access unknown address or straddle hw windows, 798 * do not access. 799 */ 800 start = qla4_82xx_pci_set_window(ha, off); 801 if ((start == -1UL) || 802 (qla4_82xx_pci_is_same_window(ha, off + size - 1) == 0)) { 803 write_unlock_irqrestore(&ha->hw_lock, flags); 804 printk(KERN_ERR"%s out of bound pci memory access. " 805 "offset is 0x%llx\n", DRIVER_NAME, off); 806 return -1; 807 } 808 809 addr = qla4_8xxx_pci_base_offsetfset(ha, start); 810 if (!addr) { 811 write_unlock_irqrestore(&ha->hw_lock, flags); 812 mem_base = pci_resource_start(ha->pdev, 0); 813 mem_page = start & PAGE_MASK; 814 /* Map two pages whenever user tries to access addresses in two 815 consecutive pages. 816 */ 817 if (mem_page != ((start + size - 1) & PAGE_MASK)) 818 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2); 819 else 820 mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); 821 if (mem_ptr == NULL) 822 return -1; 823 824 addr = mem_ptr; 825 addr += start & (PAGE_SIZE - 1); 826 write_lock_irqsave(&ha->hw_lock, flags); 827 } 828 829 switch (size) { 830 case 1: 831 writeb(*(u8 *)data, addr); 832 break; 833 case 2: 834 writew(*(u16 *)data, addr); 835 break; 836 case 4: 837 writel(*(u32 *)data, addr); 838 break; 839 case 8: 840 writeq(*(u64 *)data, addr); 841 break; 842 default: 843 ret = -1; 844 break; 845 } 846 write_unlock_irqrestore(&ha->hw_lock, flags); 847 if (mem_ptr) 848 iounmap(mem_ptr); 849 return ret; 850 } 851 852 #define MTU_FUDGE_FACTOR 100 853 854 static unsigned long 855 qla4_82xx_decode_crb_addr(unsigned long addr) 856 { 857 int i; 858 unsigned long base_addr, offset, pci_base; 859 860 if (!qla4_8xxx_crb_table_initialized) 861 qla4_82xx_crb_addr_transform_setup(); 862 863 pci_base = ADDR_ERROR; 864 base_addr = addr & 0xfff00000; 865 offset = addr & 0x000fffff; 866 867 for (i = 0; i < MAX_CRB_XFORM; i++) { 868 if (crb_addr_xform[i] == base_addr) { 869 pci_base = i << 20; 870 break; 871 } 872 } 873 if (pci_base == ADDR_ERROR) 874 return pci_base; 875 else 876 return pci_base + offset; 877 } 878 879 static long rom_max_timeout = 100; 880 static long qla4_82xx_rom_lock_timeout = 100; 881 882 static int 883 qla4_82xx_rom_lock(struct scsi_qla_host *ha) 884 { 885 int i; 886 int done = 0, timeout = 0; 887 888 while (!done) { 889 /* acquire semaphore2 from PCI HW block */ 890 891 done = qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK)); 892 if (done == 1) 893 break; 894 if (timeout >= qla4_82xx_rom_lock_timeout) 895 return -1; 896 897 timeout++; 898 899 /* Yield CPU */ 900 if (!in_interrupt()) 901 schedule(); 902 else { 903 for (i = 0; i < 20; i++) 904 cpu_relax(); /*This a nop instr on i386*/ 905 } 906 } 907 qla4_82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER); 908 return 0; 909 } 910 911 static void 912 qla4_82xx_rom_unlock(struct scsi_qla_host *ha) 913 { 914 qla4_82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); 915 } 916 917 static int 918 qla4_82xx_wait_rom_done(struct scsi_qla_host *ha) 919 { 920 long timeout = 0; 921 long done = 0 ; 922 923 while (done == 0) { 924 done = qla4_82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS); 925 done &= 2; 926 timeout++; 927 if (timeout >= rom_max_timeout) { 928 printk("%s: Timeout reached waiting for rom done", 929 DRIVER_NAME); 930 return -1; 931 } 932 } 933 return 0; 934 } 935 936 static int 937 qla4_82xx_do_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp) 938 { 939 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr); 940 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); 941 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); 942 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0xb); 943 if (qla4_82xx_wait_rom_done(ha)) { 944 printk("%s: Error waiting for rom done\n", DRIVER_NAME); 945 return -1; 946 } 947 /* reset abyte_cnt and dummy_byte_cnt */ 948 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); 949 udelay(10); 950 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); 951 952 *valp = qla4_82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA); 953 return 0; 954 } 955 956 static int 957 qla4_82xx_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp) 958 { 959 int ret, loops = 0; 960 961 while ((qla4_82xx_rom_lock(ha) != 0) && (loops < 50000)) { 962 udelay(100); 963 loops++; 964 } 965 if (loops >= 50000) { 966 ql4_printk(KERN_WARNING, ha, "%s: qla4_82xx_rom_lock failed\n", 967 DRIVER_NAME); 968 return -1; 969 } 970 ret = qla4_82xx_do_rom_fast_read(ha, addr, valp); 971 qla4_82xx_rom_unlock(ha); 972 return ret; 973 } 974 975 /** 976 * This routine does CRB initialize sequence 977 * to put the ISP into operational state 978 **/ 979 static int 980 qla4_82xx_pinit_from_rom(struct scsi_qla_host *ha, int verbose) 981 { 982 int addr, val; 983 int i ; 984 struct crb_addr_pair *buf; 985 unsigned long off; 986 unsigned offset, n; 987 988 struct crb_addr_pair { 989 long addr; 990 long data; 991 }; 992 993 /* Halt all the indiviual PEGs and other blocks of the ISP */ 994 qla4_82xx_rom_lock(ha); 995 996 /* disable all I2Q */ 997 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x10, 0x0); 998 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x14, 0x0); 999 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x18, 0x0); 1000 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x1c, 0x0); 1001 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x20, 0x0); 1002 qla4_82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x24, 0x0); 1003 1004 /* disable all niu interrupts */ 1005 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff); 1006 /* disable xge rx/tx */ 1007 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00); 1008 /* disable xg1 rx/tx */ 1009 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00); 1010 /* disable sideband mac */ 1011 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x90000, 0x00); 1012 /* disable ap0 mac */ 1013 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xa0000, 0x00); 1014 /* disable ap1 mac */ 1015 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xb0000, 0x00); 1016 1017 /* halt sre */ 1018 val = qla4_82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000); 1019 qla4_82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1))); 1020 1021 /* halt epg */ 1022 qla4_82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1); 1023 1024 /* halt timers */ 1025 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0); 1026 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0); 1027 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0); 1028 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0); 1029 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0); 1030 qla4_82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x200, 0x0); 1031 1032 /* halt pegs */ 1033 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1); 1034 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1); 1035 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1); 1036 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1); 1037 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1); 1038 msleep(5); 1039 1040 /* big hammer */ 1041 if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 1042 /* don't reset CAM block on reset */ 1043 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff); 1044 else 1045 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff); 1046 1047 qla4_82xx_rom_unlock(ha); 1048 1049 /* Read the signature value from the flash. 1050 * Offset 0: Contain signature (0xcafecafe) 1051 * Offset 4: Offset and number of addr/value pairs 1052 * that present in CRB initialize sequence 1053 */ 1054 if (qla4_82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL || 1055 qla4_82xx_rom_fast_read(ha, 4, &n) != 0) { 1056 ql4_printk(KERN_WARNING, ha, 1057 "[ERROR] Reading crb_init area: n: %08x\n", n); 1058 return -1; 1059 } 1060 1061 /* Offset in flash = lower 16 bits 1062 * Number of enteries = upper 16 bits 1063 */ 1064 offset = n & 0xffffU; 1065 n = (n >> 16) & 0xffffU; 1066 1067 /* number of addr/value pair should not exceed 1024 enteries */ 1068 if (n >= 1024) { 1069 ql4_printk(KERN_WARNING, ha, 1070 "%s: %s:n=0x%x [ERROR] Card flash not initialized.\n", 1071 DRIVER_NAME, __func__, n); 1072 return -1; 1073 } 1074 1075 ql4_printk(KERN_INFO, ha, 1076 "%s: %d CRB init values found in ROM.\n", DRIVER_NAME, n); 1077 1078 buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL); 1079 if (buf == NULL) { 1080 ql4_printk(KERN_WARNING, ha, 1081 "%s: [ERROR] Unable to malloc memory.\n", DRIVER_NAME); 1082 return -1; 1083 } 1084 1085 for (i = 0; i < n; i++) { 1086 if (qla4_82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 || 1087 qla4_82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 1088 0) { 1089 kfree(buf); 1090 return -1; 1091 } 1092 1093 buf[i].addr = addr; 1094 buf[i].data = val; 1095 } 1096 1097 for (i = 0; i < n; i++) { 1098 /* Translate internal CRB initialization 1099 * address to PCI bus address 1100 */ 1101 off = qla4_82xx_decode_crb_addr((unsigned long)buf[i].addr) + 1102 QLA82XX_PCI_CRBSPACE; 1103 /* Not all CRB addr/value pair to be written, 1104 * some of them are skipped 1105 */ 1106 1107 /* skip if LS bit is set*/ 1108 if (off & 0x1) { 1109 DEBUG2(ql4_printk(KERN_WARNING, ha, 1110 "Skip CRB init replay for offset = 0x%lx\n", off)); 1111 continue; 1112 } 1113 1114 /* skipping cold reboot MAGIC */ 1115 if (off == QLA82XX_CAM_RAM(0x1fc)) 1116 continue; 1117 1118 /* do not reset PCI */ 1119 if (off == (ROMUSB_GLB + 0xbc)) 1120 continue; 1121 1122 /* skip core clock, so that firmware can increase the clock */ 1123 if (off == (ROMUSB_GLB + 0xc8)) 1124 continue; 1125 1126 /* skip the function enable register */ 1127 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION)) 1128 continue; 1129 1130 if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2)) 1131 continue; 1132 1133 if ((off & 0x0ff00000) == QLA82XX_CRB_SMB) 1134 continue; 1135 1136 if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET) 1137 continue; 1138 1139 if (off == ADDR_ERROR) { 1140 ql4_printk(KERN_WARNING, ha, 1141 "%s: [ERROR] Unknown addr: 0x%08lx\n", 1142 DRIVER_NAME, buf[i].addr); 1143 continue; 1144 } 1145 1146 qla4_82xx_wr_32(ha, off, buf[i].data); 1147 1148 /* ISP requires much bigger delay to settle down, 1149 * else crb_window returns 0xffffffff 1150 */ 1151 if (off == QLA82XX_ROMUSB_GLB_SW_RESET) 1152 msleep(1000); 1153 1154 /* ISP requires millisec delay between 1155 * successive CRB register updation 1156 */ 1157 msleep(1); 1158 } 1159 1160 kfree(buf); 1161 1162 /* Resetting the data and instruction cache */ 1163 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e); 1164 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8); 1165 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8); 1166 1167 /* Clear all protocol processing engines */ 1168 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0); 1169 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0); 1170 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0); 1171 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0); 1172 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0); 1173 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0); 1174 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0); 1175 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0); 1176 1177 return 0; 1178 } 1179 1180 /** 1181 * qla4_8xxx_ms_mem_write_128b - Writes data to MS/off-chip memory 1182 * @ha: Pointer to adapter structure 1183 * @addr: Flash address to write to 1184 * @data: Data to be written 1185 * @count: word_count to be written 1186 * 1187 * Return: On success return QLA_SUCCESS 1188 * On error return QLA_ERROR 1189 **/ 1190 int qla4_8xxx_ms_mem_write_128b(struct scsi_qla_host *ha, uint64_t addr, 1191 uint32_t *data, uint32_t count) 1192 { 1193 int i, j; 1194 uint32_t agt_ctrl; 1195 unsigned long flags; 1196 int ret_val = QLA_SUCCESS; 1197 1198 /* Only 128-bit aligned access */ 1199 if (addr & 0xF) { 1200 ret_val = QLA_ERROR; 1201 goto exit_ms_mem_write; 1202 } 1203 1204 write_lock_irqsave(&ha->hw_lock, flags); 1205 1206 /* Write address */ 1207 ret_val = ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_ADDR_HI, 0); 1208 if (ret_val == QLA_ERROR) { 1209 ql4_printk(KERN_ERR, ha, "%s: write to AGT_ADDR_HI failed\n", 1210 __func__); 1211 goto exit_ms_mem_write_unlock; 1212 } 1213 1214 for (i = 0; i < count; i++, addr += 16) { 1215 if (!((QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_QDR_NET, 1216 QLA8XXX_ADDR_QDR_NET_MAX)) || 1217 (QLA8XXX_ADDR_IN_RANGE(addr, QLA8XXX_ADDR_DDR_NET, 1218 QLA8XXX_ADDR_DDR_NET_MAX)))) { 1219 ret_val = QLA_ERROR; 1220 goto exit_ms_mem_write_unlock; 1221 } 1222 1223 ret_val = ha->isp_ops->wr_reg_indirect(ha, 1224 MD_MIU_TEST_AGT_ADDR_LO, 1225 addr); 1226 /* Write data */ 1227 ret_val |= ha->isp_ops->wr_reg_indirect(ha, 1228 MD_MIU_TEST_AGT_WRDATA_LO, 1229 *data++); 1230 ret_val |= ha->isp_ops->wr_reg_indirect(ha, 1231 MD_MIU_TEST_AGT_WRDATA_HI, 1232 *data++); 1233 ret_val |= ha->isp_ops->wr_reg_indirect(ha, 1234 MD_MIU_TEST_AGT_WRDATA_ULO, 1235 *data++); 1236 ret_val |= ha->isp_ops->wr_reg_indirect(ha, 1237 MD_MIU_TEST_AGT_WRDATA_UHI, 1238 *data++); 1239 if (ret_val == QLA_ERROR) { 1240 ql4_printk(KERN_ERR, ha, "%s: write to AGT_WRDATA failed\n", 1241 __func__); 1242 goto exit_ms_mem_write_unlock; 1243 } 1244 1245 /* Check write status */ 1246 ret_val = ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_CTRL, 1247 MIU_TA_CTL_WRITE_ENABLE); 1248 ret_val |= ha->isp_ops->wr_reg_indirect(ha, 1249 MD_MIU_TEST_AGT_CTRL, 1250 MIU_TA_CTL_WRITE_START); 1251 if (ret_val == QLA_ERROR) { 1252 ql4_printk(KERN_ERR, ha, "%s: write to AGT_CTRL failed\n", 1253 __func__); 1254 goto exit_ms_mem_write_unlock; 1255 } 1256 1257 for (j = 0; j < MAX_CTL_CHECK; j++) { 1258 ret_val = ha->isp_ops->rd_reg_indirect(ha, 1259 MD_MIU_TEST_AGT_CTRL, 1260 &agt_ctrl); 1261 if (ret_val == QLA_ERROR) { 1262 ql4_printk(KERN_ERR, ha, "%s: failed to read MD_MIU_TEST_AGT_CTRL\n", 1263 __func__); 1264 goto exit_ms_mem_write_unlock; 1265 } 1266 if ((agt_ctrl & MIU_TA_CTL_BUSY) == 0) 1267 break; 1268 } 1269 1270 /* Status check failed */ 1271 if (j >= MAX_CTL_CHECK) { 1272 printk_ratelimited(KERN_ERR "%s: MS memory write failed!\n", 1273 __func__); 1274 ret_val = QLA_ERROR; 1275 goto exit_ms_mem_write_unlock; 1276 } 1277 } 1278 1279 exit_ms_mem_write_unlock: 1280 write_unlock_irqrestore(&ha->hw_lock, flags); 1281 1282 exit_ms_mem_write: 1283 return ret_val; 1284 } 1285 1286 static int 1287 qla4_82xx_load_from_flash(struct scsi_qla_host *ha, uint32_t image_start) 1288 { 1289 int i, rval = 0; 1290 long size = 0; 1291 long flashaddr, memaddr; 1292 u64 data; 1293 u32 high, low; 1294 1295 flashaddr = memaddr = ha->hw.flt_region_bootload; 1296 size = (image_start - flashaddr) / 8; 1297 1298 DEBUG2(printk("scsi%ld: %s: bootldr=0x%lx, fw_image=0x%x\n", 1299 ha->host_no, __func__, flashaddr, image_start)); 1300 1301 for (i = 0; i < size; i++) { 1302 if ((qla4_82xx_rom_fast_read(ha, flashaddr, (int *)&low)) || 1303 (qla4_82xx_rom_fast_read(ha, flashaddr + 4, 1304 (int *)&high))) { 1305 rval = -1; 1306 goto exit_load_from_flash; 1307 } 1308 data = ((u64)high << 32) | low ; 1309 rval = qla4_82xx_pci_mem_write_2M(ha, memaddr, &data, 8); 1310 if (rval) 1311 goto exit_load_from_flash; 1312 1313 flashaddr += 8; 1314 memaddr += 8; 1315 1316 if (i % 0x1000 == 0) 1317 msleep(1); 1318 1319 } 1320 1321 udelay(100); 1322 1323 read_lock(&ha->hw_lock); 1324 qla4_82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020); 1325 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e); 1326 read_unlock(&ha->hw_lock); 1327 1328 exit_load_from_flash: 1329 return rval; 1330 } 1331 1332 static int qla4_82xx_load_fw(struct scsi_qla_host *ha, uint32_t image_start) 1333 { 1334 u32 rst; 1335 1336 qla4_82xx_wr_32(ha, CRB_CMDPEG_STATE, 0); 1337 if (qla4_82xx_pinit_from_rom(ha, 0) != QLA_SUCCESS) { 1338 printk(KERN_WARNING "%s: Error during CRB Initialization\n", 1339 __func__); 1340 return QLA_ERROR; 1341 } 1342 1343 udelay(500); 1344 1345 /* at this point, QM is in reset. This could be a problem if there are 1346 * incoming d* transition queue messages. QM/PCIE could wedge. 1347 * To get around this, QM is brought out of reset. 1348 */ 1349 1350 rst = qla4_82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET); 1351 /* unreset qm */ 1352 rst &= ~(1 << 28); 1353 qla4_82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst); 1354 1355 if (qla4_82xx_load_from_flash(ha, image_start)) { 1356 printk("%s: Error trying to load fw from flash!\n", __func__); 1357 return QLA_ERROR; 1358 } 1359 1360 return QLA_SUCCESS; 1361 } 1362 1363 int 1364 qla4_82xx_pci_mem_read_2M(struct scsi_qla_host *ha, 1365 u64 off, void *data, int size) 1366 { 1367 int i, j = 0, k, start, end, loop, sz[2], off0[2]; 1368 int shift_amount; 1369 uint32_t temp; 1370 uint64_t off8, val, mem_crb, word[2] = {0, 0}; 1371 1372 /* 1373 * If not MN, go check for MS or invalid. 1374 */ 1375 1376 if (off >= QLA8XXX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) 1377 mem_crb = QLA82XX_CRB_QDR_NET; 1378 else { 1379 mem_crb = QLA82XX_CRB_DDR_NET; 1380 if (qla4_82xx_pci_mem_bound_check(ha, off, size) == 0) 1381 return qla4_82xx_pci_mem_read_direct(ha, 1382 off, data, size); 1383 } 1384 1385 1386 off8 = off & 0xfffffff0; 1387 off0[0] = off & 0xf; 1388 sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]); 1389 shift_amount = 4; 1390 1391 loop = ((off0[0] + size - 1) >> shift_amount) + 1; 1392 off0[1] = 0; 1393 sz[1] = size - sz[0]; 1394 1395 for (i = 0; i < loop; i++) { 1396 temp = off8 + (i << shift_amount); 1397 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp); 1398 temp = 0; 1399 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp); 1400 temp = MIU_TA_CTL_ENABLE; 1401 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 1402 temp = MIU_TA_CTL_START_ENABLE; 1403 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 1404 1405 for (j = 0; j < MAX_CTL_CHECK; j++) { 1406 temp = qla4_82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL); 1407 if ((temp & MIU_TA_CTL_BUSY) == 0) 1408 break; 1409 } 1410 1411 if (j >= MAX_CTL_CHECK) { 1412 printk_ratelimited(KERN_ERR 1413 "%s: failed to read through agent\n", 1414 __func__); 1415 break; 1416 } 1417 1418 start = off0[i] >> 2; 1419 end = (off0[i] + sz[i] - 1) >> 2; 1420 for (k = start; k <= end; k++) { 1421 temp = qla4_82xx_rd_32(ha, 1422 mem_crb + MIU_TEST_AGT_RDDATA(k)); 1423 word[i] |= ((uint64_t)temp << (32 * (k & 1))); 1424 } 1425 } 1426 1427 if (j >= MAX_CTL_CHECK) 1428 return -1; 1429 1430 if ((off0[0] & 7) == 0) { 1431 val = word[0]; 1432 } else { 1433 val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) | 1434 ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8)); 1435 } 1436 1437 switch (size) { 1438 case 1: 1439 *(uint8_t *)data = val; 1440 break; 1441 case 2: 1442 *(uint16_t *)data = val; 1443 break; 1444 case 4: 1445 *(uint32_t *)data = val; 1446 break; 1447 case 8: 1448 *(uint64_t *)data = val; 1449 break; 1450 } 1451 return 0; 1452 } 1453 1454 int 1455 qla4_82xx_pci_mem_write_2M(struct scsi_qla_host *ha, 1456 u64 off, void *data, int size) 1457 { 1458 int i, j, ret = 0, loop, sz[2], off0; 1459 int scale, shift_amount, startword; 1460 uint32_t temp; 1461 uint64_t off8, mem_crb, tmpw, word[2] = {0, 0}; 1462 1463 /* 1464 * If not MN, go check for MS or invalid. 1465 */ 1466 if (off >= QLA8XXX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) 1467 mem_crb = QLA82XX_CRB_QDR_NET; 1468 else { 1469 mem_crb = QLA82XX_CRB_DDR_NET; 1470 if (qla4_82xx_pci_mem_bound_check(ha, off, size) == 0) 1471 return qla4_82xx_pci_mem_write_direct(ha, 1472 off, data, size); 1473 } 1474 1475 off0 = off & 0x7; 1476 sz[0] = (size < (8 - off0)) ? size : (8 - off0); 1477 sz[1] = size - sz[0]; 1478 1479 off8 = off & 0xfffffff0; 1480 loop = (((off & 0xf) + size - 1) >> 4) + 1; 1481 shift_amount = 4; 1482 scale = 2; 1483 startword = (off & 0xf)/8; 1484 1485 for (i = 0; i < loop; i++) { 1486 if (qla4_82xx_pci_mem_read_2M(ha, off8 + 1487 (i << shift_amount), &word[i * scale], 8)) 1488 return -1; 1489 } 1490 1491 switch (size) { 1492 case 1: 1493 tmpw = *((uint8_t *)data); 1494 break; 1495 case 2: 1496 tmpw = *((uint16_t *)data); 1497 break; 1498 case 4: 1499 tmpw = *((uint32_t *)data); 1500 break; 1501 case 8: 1502 default: 1503 tmpw = *((uint64_t *)data); 1504 break; 1505 } 1506 1507 if (sz[0] == 8) 1508 word[startword] = tmpw; 1509 else { 1510 word[startword] &= 1511 ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8)); 1512 word[startword] |= tmpw << (off0 * 8); 1513 } 1514 1515 if (sz[1] != 0) { 1516 word[startword+1] &= ~(~0ULL << (sz[1] * 8)); 1517 word[startword+1] |= tmpw >> (sz[0] * 8); 1518 } 1519 1520 for (i = 0; i < loop; i++) { 1521 temp = off8 + (i << shift_amount); 1522 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp); 1523 temp = 0; 1524 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp); 1525 temp = word[i * scale] & 0xffffffff; 1526 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp); 1527 temp = (word[i * scale] >> 32) & 0xffffffff; 1528 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp); 1529 temp = word[i*scale + 1] & 0xffffffff; 1530 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_WRDATA_UPPER_LO, 1531 temp); 1532 temp = (word[i*scale + 1] >> 32) & 0xffffffff; 1533 qla4_82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_WRDATA_UPPER_HI, 1534 temp); 1535 1536 temp = MIU_TA_CTL_WRITE_ENABLE; 1537 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp); 1538 temp = MIU_TA_CTL_WRITE_START; 1539 qla4_82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp); 1540 1541 for (j = 0; j < MAX_CTL_CHECK; j++) { 1542 temp = qla4_82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL); 1543 if ((temp & MIU_TA_CTL_BUSY) == 0) 1544 break; 1545 } 1546 1547 if (j >= MAX_CTL_CHECK) { 1548 if (printk_ratelimit()) 1549 ql4_printk(KERN_ERR, ha, 1550 "%s: failed to read through agent\n", 1551 __func__); 1552 ret = -1; 1553 break; 1554 } 1555 } 1556 1557 return ret; 1558 } 1559 1560 static int qla4_82xx_cmdpeg_ready(struct scsi_qla_host *ha, int pegtune_val) 1561 { 1562 u32 val = 0; 1563 int retries = 60; 1564 1565 if (!pegtune_val) { 1566 do { 1567 val = qla4_82xx_rd_32(ha, CRB_CMDPEG_STATE); 1568 if ((val == PHAN_INITIALIZE_COMPLETE) || 1569 (val == PHAN_INITIALIZE_ACK)) 1570 return 0; 1571 set_current_state(TASK_UNINTERRUPTIBLE); 1572 schedule_timeout(500); 1573 1574 } while (--retries); 1575 1576 if (!retries) { 1577 pegtune_val = qla4_82xx_rd_32(ha, 1578 QLA82XX_ROMUSB_GLB_PEGTUNE_DONE); 1579 printk(KERN_WARNING "%s: init failed, " 1580 "pegtune_val = %x\n", __func__, pegtune_val); 1581 return -1; 1582 } 1583 } 1584 return 0; 1585 } 1586 1587 static int qla4_82xx_rcvpeg_ready(struct scsi_qla_host *ha) 1588 { 1589 uint32_t state = 0; 1590 int loops = 0; 1591 1592 /* Window 1 call */ 1593 read_lock(&ha->hw_lock); 1594 state = qla4_82xx_rd_32(ha, CRB_RCVPEG_STATE); 1595 read_unlock(&ha->hw_lock); 1596 1597 while ((state != PHAN_PEG_RCV_INITIALIZED) && (loops < 30000)) { 1598 udelay(100); 1599 /* Window 1 call */ 1600 read_lock(&ha->hw_lock); 1601 state = qla4_82xx_rd_32(ha, CRB_RCVPEG_STATE); 1602 read_unlock(&ha->hw_lock); 1603 1604 loops++; 1605 } 1606 1607 if (loops >= 30000) { 1608 DEBUG2(ql4_printk(KERN_INFO, ha, 1609 "Receive Peg initialization not complete: 0x%x.\n", state)); 1610 return QLA_ERROR; 1611 } 1612 1613 return QLA_SUCCESS; 1614 } 1615 1616 void 1617 qla4_8xxx_set_drv_active(struct scsi_qla_host *ha) 1618 { 1619 uint32_t drv_active; 1620 1621 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE); 1622 1623 /* 1624 * For ISP8324 and ISP8042, drv_active register has 1 bit per function, 1625 * shift 1 by func_num to set a bit for the function. 1626 * For ISP8022, drv_active has 4 bits per function 1627 */ 1628 if (is_qla8032(ha) || is_qla8042(ha)) 1629 drv_active |= (1 << ha->func_num); 1630 else 1631 drv_active |= (1 << (ha->func_num * 4)); 1632 1633 ql4_printk(KERN_INFO, ha, "%s(%ld): drv_active: 0x%08x\n", 1634 __func__, ha->host_no, drv_active); 1635 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_ACTIVE, drv_active); 1636 } 1637 1638 void 1639 qla4_8xxx_clear_drv_active(struct scsi_qla_host *ha) 1640 { 1641 uint32_t drv_active; 1642 1643 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE); 1644 1645 /* 1646 * For ISP8324 and ISP8042, drv_active register has 1 bit per function, 1647 * shift 1 by func_num to set a bit for the function. 1648 * For ISP8022, drv_active has 4 bits per function 1649 */ 1650 if (is_qla8032(ha) || is_qla8042(ha)) 1651 drv_active &= ~(1 << (ha->func_num)); 1652 else 1653 drv_active &= ~(1 << (ha->func_num * 4)); 1654 1655 ql4_printk(KERN_INFO, ha, "%s(%ld): drv_active: 0x%08x\n", 1656 __func__, ha->host_no, drv_active); 1657 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_ACTIVE, drv_active); 1658 } 1659 1660 inline int qla4_8xxx_need_reset(struct scsi_qla_host *ha) 1661 { 1662 uint32_t drv_state, drv_active; 1663 int rval; 1664 1665 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE); 1666 drv_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_STATE); 1667 1668 /* 1669 * For ISP8324 and ISP8042, drv_active register has 1 bit per function, 1670 * shift 1 by func_num to set a bit for the function. 1671 * For ISP8022, drv_active has 4 bits per function 1672 */ 1673 if (is_qla8032(ha) || is_qla8042(ha)) 1674 rval = drv_state & (1 << ha->func_num); 1675 else 1676 rval = drv_state & (1 << (ha->func_num * 4)); 1677 1678 if ((test_bit(AF_EEH_BUSY, &ha->flags)) && drv_active) 1679 rval = 1; 1680 1681 return rval; 1682 } 1683 1684 void qla4_8xxx_set_rst_ready(struct scsi_qla_host *ha) 1685 { 1686 uint32_t drv_state; 1687 1688 drv_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_STATE); 1689 1690 /* 1691 * For ISP8324 and ISP8042, drv_active register has 1 bit per function, 1692 * shift 1 by func_num to set a bit for the function. 1693 * For ISP8022, drv_active has 4 bits per function 1694 */ 1695 if (is_qla8032(ha) || is_qla8042(ha)) 1696 drv_state |= (1 << ha->func_num); 1697 else 1698 drv_state |= (1 << (ha->func_num * 4)); 1699 1700 ql4_printk(KERN_INFO, ha, "%s(%ld): drv_state: 0x%08x\n", 1701 __func__, ha->host_no, drv_state); 1702 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, drv_state); 1703 } 1704 1705 void qla4_8xxx_clear_rst_ready(struct scsi_qla_host *ha) 1706 { 1707 uint32_t drv_state; 1708 1709 drv_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_STATE); 1710 1711 /* 1712 * For ISP8324 and ISP8042, drv_active register has 1 bit per function, 1713 * shift 1 by func_num to set a bit for the function. 1714 * For ISP8022, drv_active has 4 bits per function 1715 */ 1716 if (is_qla8032(ha) || is_qla8042(ha)) 1717 drv_state &= ~(1 << ha->func_num); 1718 else 1719 drv_state &= ~(1 << (ha->func_num * 4)); 1720 1721 ql4_printk(KERN_INFO, ha, "%s(%ld): drv_state: 0x%08x\n", 1722 __func__, ha->host_no, drv_state); 1723 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, drv_state); 1724 } 1725 1726 static inline void 1727 qla4_8xxx_set_qsnt_ready(struct scsi_qla_host *ha) 1728 { 1729 uint32_t qsnt_state; 1730 1731 qsnt_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_STATE); 1732 1733 /* 1734 * For ISP8324 and ISP8042, drv_active register has 1 bit per function, 1735 * shift 1 by func_num to set a bit for the function. 1736 * For ISP8022, drv_active has 4 bits per function. 1737 */ 1738 if (is_qla8032(ha) || is_qla8042(ha)) 1739 qsnt_state |= (1 << ha->func_num); 1740 else 1741 qsnt_state |= (2 << (ha->func_num * 4)); 1742 1743 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, qsnt_state); 1744 } 1745 1746 1747 static int 1748 qla4_82xx_start_firmware(struct scsi_qla_host *ha, uint32_t image_start) 1749 { 1750 uint16_t lnk; 1751 1752 /* scrub dma mask expansion register */ 1753 qla4_82xx_wr_32(ha, CRB_DMA_SHIFT, 0x55555555); 1754 1755 /* Overwrite stale initialization register values */ 1756 qla4_82xx_wr_32(ha, CRB_CMDPEG_STATE, 0); 1757 qla4_82xx_wr_32(ha, CRB_RCVPEG_STATE, 0); 1758 qla4_82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0); 1759 qla4_82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0); 1760 1761 if (qla4_82xx_load_fw(ha, image_start) != QLA_SUCCESS) { 1762 printk("%s: Error trying to start fw!\n", __func__); 1763 return QLA_ERROR; 1764 } 1765 1766 /* Handshake with the card before we register the devices. */ 1767 if (qla4_82xx_cmdpeg_ready(ha, 0) != QLA_SUCCESS) { 1768 printk("%s: Error during card handshake!\n", __func__); 1769 return QLA_ERROR; 1770 } 1771 1772 /* Negotiated Link width */ 1773 pcie_capability_read_word(ha->pdev, PCI_EXP_LNKSTA, &lnk); 1774 ha->link_width = (lnk >> 4) & 0x3f; 1775 1776 /* Synchronize with Receive peg */ 1777 return qla4_82xx_rcvpeg_ready(ha); 1778 } 1779 1780 int qla4_82xx_try_start_fw(struct scsi_qla_host *ha) 1781 { 1782 int rval = QLA_ERROR; 1783 1784 /* 1785 * FW Load priority: 1786 * 1) Operational firmware residing in flash. 1787 * 2) Fail 1788 */ 1789 1790 ql4_printk(KERN_INFO, ha, 1791 "FW: Retrieving flash offsets from FLT/FDT ...\n"); 1792 rval = qla4_8xxx_get_flash_info(ha); 1793 if (rval != QLA_SUCCESS) 1794 return rval; 1795 1796 ql4_printk(KERN_INFO, ha, 1797 "FW: Attempting to load firmware from flash...\n"); 1798 rval = qla4_82xx_start_firmware(ha, ha->hw.flt_region_fw); 1799 1800 if (rval != QLA_SUCCESS) { 1801 ql4_printk(KERN_ERR, ha, "FW: Load firmware from flash" 1802 " FAILED...\n"); 1803 return rval; 1804 } 1805 1806 return rval; 1807 } 1808 1809 void qla4_82xx_rom_lock_recovery(struct scsi_qla_host *ha) 1810 { 1811 if (qla4_82xx_rom_lock(ha)) { 1812 /* Someone else is holding the lock. */ 1813 dev_info(&ha->pdev->dev, "Resetting rom_lock\n"); 1814 } 1815 1816 /* 1817 * Either we got the lock, or someone 1818 * else died while holding it. 1819 * In either case, unlock. 1820 */ 1821 qla4_82xx_rom_unlock(ha); 1822 } 1823 1824 static uint32_t ql4_84xx_poll_wait_for_ready(struct scsi_qla_host *ha, 1825 uint32_t addr1, uint32_t mask) 1826 { 1827 unsigned long timeout; 1828 uint32_t rval = QLA_SUCCESS; 1829 uint32_t temp; 1830 1831 timeout = jiffies + msecs_to_jiffies(TIMEOUT_100_MS); 1832 do { 1833 ha->isp_ops->rd_reg_indirect(ha, addr1, &temp); 1834 if ((temp & mask) != 0) 1835 break; 1836 1837 if (time_after_eq(jiffies, timeout)) { 1838 ql4_printk(KERN_INFO, ha, "Error in processing rdmdio entry\n"); 1839 return QLA_ERROR; 1840 } 1841 } while (1); 1842 1843 return rval; 1844 } 1845 1846 uint32_t ql4_84xx_ipmdio_rd_reg(struct scsi_qla_host *ha, uint32_t addr1, 1847 uint32_t addr3, uint32_t mask, uint32_t addr, 1848 uint32_t *data_ptr) 1849 { 1850 int rval = QLA_SUCCESS; 1851 uint32_t temp; 1852 uint32_t data; 1853 1854 rval = ql4_84xx_poll_wait_for_ready(ha, addr1, mask); 1855 if (rval) 1856 goto exit_ipmdio_rd_reg; 1857 1858 temp = (0x40000000 | addr); 1859 ha->isp_ops->wr_reg_indirect(ha, addr1, temp); 1860 1861 rval = ql4_84xx_poll_wait_for_ready(ha, addr1, mask); 1862 if (rval) 1863 goto exit_ipmdio_rd_reg; 1864 1865 ha->isp_ops->rd_reg_indirect(ha, addr3, &data); 1866 *data_ptr = data; 1867 1868 exit_ipmdio_rd_reg: 1869 return rval; 1870 } 1871 1872 1873 static uint32_t ql4_84xx_poll_wait_ipmdio_bus_idle(struct scsi_qla_host *ha, 1874 uint32_t addr1, 1875 uint32_t addr2, 1876 uint32_t addr3, 1877 uint32_t mask) 1878 { 1879 unsigned long timeout; 1880 uint32_t temp; 1881 uint32_t rval = QLA_SUCCESS; 1882 1883 timeout = jiffies + msecs_to_jiffies(TIMEOUT_100_MS); 1884 do { 1885 ql4_84xx_ipmdio_rd_reg(ha, addr1, addr3, mask, addr2, &temp); 1886 if ((temp & 0x1) != 1) 1887 break; 1888 if (time_after_eq(jiffies, timeout)) { 1889 ql4_printk(KERN_INFO, ha, "Error in processing mdiobus idle\n"); 1890 return QLA_ERROR; 1891 } 1892 } while (1); 1893 1894 return rval; 1895 } 1896 1897 static int ql4_84xx_ipmdio_wr_reg(struct scsi_qla_host *ha, 1898 uint32_t addr1, uint32_t addr3, 1899 uint32_t mask, uint32_t addr, 1900 uint32_t value) 1901 { 1902 int rval = QLA_SUCCESS; 1903 1904 rval = ql4_84xx_poll_wait_for_ready(ha, addr1, mask); 1905 if (rval) 1906 goto exit_ipmdio_wr_reg; 1907 1908 ha->isp_ops->wr_reg_indirect(ha, addr3, value); 1909 ha->isp_ops->wr_reg_indirect(ha, addr1, addr); 1910 1911 rval = ql4_84xx_poll_wait_for_ready(ha, addr1, mask); 1912 if (rval) 1913 goto exit_ipmdio_wr_reg; 1914 1915 exit_ipmdio_wr_reg: 1916 return rval; 1917 } 1918 1919 static void qla4_8xxx_minidump_process_rdcrb(struct scsi_qla_host *ha, 1920 struct qla8xxx_minidump_entry_hdr *entry_hdr, 1921 uint32_t **d_ptr) 1922 { 1923 uint32_t r_addr, r_stride, loop_cnt, i, r_value; 1924 struct qla8xxx_minidump_entry_crb *crb_hdr; 1925 uint32_t *data_ptr = *d_ptr; 1926 1927 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 1928 crb_hdr = (struct qla8xxx_minidump_entry_crb *)entry_hdr; 1929 r_addr = crb_hdr->addr; 1930 r_stride = crb_hdr->crb_strd.addr_stride; 1931 loop_cnt = crb_hdr->op_count; 1932 1933 for (i = 0; i < loop_cnt; i++) { 1934 ha->isp_ops->rd_reg_indirect(ha, r_addr, &r_value); 1935 *data_ptr++ = cpu_to_le32(r_addr); 1936 *data_ptr++ = cpu_to_le32(r_value); 1937 r_addr += r_stride; 1938 } 1939 *d_ptr = data_ptr; 1940 } 1941 1942 static int qla4_83xx_check_dma_engine_state(struct scsi_qla_host *ha) 1943 { 1944 int rval = QLA_SUCCESS; 1945 uint32_t dma_eng_num = 0, cmd_sts_and_cntrl = 0; 1946 uint64_t dma_base_addr = 0; 1947 struct qla4_8xxx_minidump_template_hdr *tmplt_hdr = NULL; 1948 1949 tmplt_hdr = (struct qla4_8xxx_minidump_template_hdr *) 1950 ha->fw_dump_tmplt_hdr; 1951 dma_eng_num = 1952 tmplt_hdr->saved_state_array[QLA83XX_PEX_DMA_ENGINE_INDEX]; 1953 dma_base_addr = QLA83XX_PEX_DMA_BASE_ADDRESS + 1954 (dma_eng_num * QLA83XX_PEX_DMA_NUM_OFFSET); 1955 1956 /* Read the pex-dma's command-status-and-control register. */ 1957 rval = ha->isp_ops->rd_reg_indirect(ha, 1958 (dma_base_addr + QLA83XX_PEX_DMA_CMD_STS_AND_CNTRL), 1959 &cmd_sts_and_cntrl); 1960 1961 if (rval) 1962 return QLA_ERROR; 1963 1964 /* Check if requested pex-dma engine is available. */ 1965 if (cmd_sts_and_cntrl & BIT_31) 1966 return QLA_SUCCESS; 1967 else 1968 return QLA_ERROR; 1969 } 1970 1971 static int qla4_83xx_start_pex_dma(struct scsi_qla_host *ha, 1972 struct qla4_83xx_minidump_entry_rdmem_pex_dma *m_hdr) 1973 { 1974 int rval = QLA_SUCCESS, wait = 0; 1975 uint32_t dma_eng_num = 0, cmd_sts_and_cntrl = 0; 1976 uint64_t dma_base_addr = 0; 1977 struct qla4_8xxx_minidump_template_hdr *tmplt_hdr = NULL; 1978 1979 tmplt_hdr = (struct qla4_8xxx_minidump_template_hdr *) 1980 ha->fw_dump_tmplt_hdr; 1981 dma_eng_num = 1982 tmplt_hdr->saved_state_array[QLA83XX_PEX_DMA_ENGINE_INDEX]; 1983 dma_base_addr = QLA83XX_PEX_DMA_BASE_ADDRESS + 1984 (dma_eng_num * QLA83XX_PEX_DMA_NUM_OFFSET); 1985 1986 rval = ha->isp_ops->wr_reg_indirect(ha, 1987 dma_base_addr + QLA83XX_PEX_DMA_CMD_ADDR_LOW, 1988 m_hdr->desc_card_addr); 1989 if (rval) 1990 goto error_exit; 1991 1992 rval = ha->isp_ops->wr_reg_indirect(ha, 1993 dma_base_addr + QLA83XX_PEX_DMA_CMD_ADDR_HIGH, 0); 1994 if (rval) 1995 goto error_exit; 1996 1997 rval = ha->isp_ops->wr_reg_indirect(ha, 1998 dma_base_addr + QLA83XX_PEX_DMA_CMD_STS_AND_CNTRL, 1999 m_hdr->start_dma_cmd); 2000 if (rval) 2001 goto error_exit; 2002 2003 /* Wait for dma operation to complete. */ 2004 for (wait = 0; wait < QLA83XX_PEX_DMA_MAX_WAIT; wait++) { 2005 rval = ha->isp_ops->rd_reg_indirect(ha, 2006 (dma_base_addr + QLA83XX_PEX_DMA_CMD_STS_AND_CNTRL), 2007 &cmd_sts_and_cntrl); 2008 if (rval) 2009 goto error_exit; 2010 2011 if ((cmd_sts_and_cntrl & BIT_1) == 0) 2012 break; 2013 else 2014 udelay(10); 2015 } 2016 2017 /* Wait a max of 100 ms, otherwise fallback to rdmem entry read */ 2018 if (wait >= QLA83XX_PEX_DMA_MAX_WAIT) { 2019 rval = QLA_ERROR; 2020 goto error_exit; 2021 } 2022 2023 error_exit: 2024 return rval; 2025 } 2026 2027 static int qla4_8xxx_minidump_pex_dma_read(struct scsi_qla_host *ha, 2028 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2029 uint32_t **d_ptr) 2030 { 2031 int rval = QLA_SUCCESS; 2032 struct qla4_83xx_minidump_entry_rdmem_pex_dma *m_hdr = NULL; 2033 uint32_t size, read_size; 2034 uint8_t *data_ptr = (uint8_t *)*d_ptr; 2035 void *rdmem_buffer = NULL; 2036 dma_addr_t rdmem_dma; 2037 struct qla4_83xx_pex_dma_descriptor dma_desc; 2038 2039 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2040 2041 rval = qla4_83xx_check_dma_engine_state(ha); 2042 if (rval != QLA_SUCCESS) { 2043 DEBUG2(ql4_printk(KERN_INFO, ha, 2044 "%s: DMA engine not available. Fallback to rdmem-read.\n", 2045 __func__)); 2046 return QLA_ERROR; 2047 } 2048 2049 m_hdr = (struct qla4_83xx_minidump_entry_rdmem_pex_dma *)entry_hdr; 2050 rdmem_buffer = dma_alloc_coherent(&ha->pdev->dev, 2051 QLA83XX_PEX_DMA_READ_SIZE, 2052 &rdmem_dma, GFP_KERNEL); 2053 if (!rdmem_buffer) { 2054 DEBUG2(ql4_printk(KERN_INFO, ha, 2055 "%s: Unable to allocate rdmem dma buffer\n", 2056 __func__)); 2057 return QLA_ERROR; 2058 } 2059 2060 /* Prepare pex-dma descriptor to be written to MS memory. */ 2061 /* dma-desc-cmd layout: 2062 * 0-3: dma-desc-cmd 0-3 2063 * 4-7: pcid function number 2064 * 8-15: dma-desc-cmd 8-15 2065 */ 2066 dma_desc.cmd.dma_desc_cmd = (m_hdr->dma_desc_cmd & 0xff0f); 2067 dma_desc.cmd.dma_desc_cmd |= ((PCI_FUNC(ha->pdev->devfn) & 0xf) << 0x4); 2068 dma_desc.dma_bus_addr = rdmem_dma; 2069 2070 size = 0; 2071 read_size = 0; 2072 /* 2073 * Perform rdmem operation using pex-dma. 2074 * Prepare dma in chunks of QLA83XX_PEX_DMA_READ_SIZE. 2075 */ 2076 while (read_size < m_hdr->read_data_size) { 2077 if (m_hdr->read_data_size - read_size >= 2078 QLA83XX_PEX_DMA_READ_SIZE) 2079 size = QLA83XX_PEX_DMA_READ_SIZE; 2080 else { 2081 size = (m_hdr->read_data_size - read_size); 2082 2083 if (rdmem_buffer) 2084 dma_free_coherent(&ha->pdev->dev, 2085 QLA83XX_PEX_DMA_READ_SIZE, 2086 rdmem_buffer, rdmem_dma); 2087 2088 rdmem_buffer = dma_alloc_coherent(&ha->pdev->dev, size, 2089 &rdmem_dma, 2090 GFP_KERNEL); 2091 if (!rdmem_buffer) { 2092 DEBUG2(ql4_printk(KERN_INFO, ha, 2093 "%s: Unable to allocate rdmem dma buffer\n", 2094 __func__)); 2095 return QLA_ERROR; 2096 } 2097 dma_desc.dma_bus_addr = rdmem_dma; 2098 } 2099 2100 dma_desc.src_addr = m_hdr->read_addr + read_size; 2101 dma_desc.cmd.read_data_size = size; 2102 2103 /* Prepare: Write pex-dma descriptor to MS memory. */ 2104 rval = qla4_8xxx_ms_mem_write_128b(ha, 2105 (uint64_t)m_hdr->desc_card_addr, 2106 (uint32_t *)&dma_desc, 2107 (sizeof(struct qla4_83xx_pex_dma_descriptor)/16)); 2108 if (rval != QLA_SUCCESS) { 2109 ql4_printk(KERN_INFO, ha, 2110 "%s: Error writing rdmem-dma-init to MS !!!\n", 2111 __func__); 2112 goto error_exit; 2113 } 2114 2115 DEBUG2(ql4_printk(KERN_INFO, ha, 2116 "%s: Dma-desc: Instruct for rdmem dma (size 0x%x).\n", 2117 __func__, size)); 2118 /* Execute: Start pex-dma operation. */ 2119 rval = qla4_83xx_start_pex_dma(ha, m_hdr); 2120 if (rval != QLA_SUCCESS) { 2121 DEBUG2(ql4_printk(KERN_INFO, ha, 2122 "scsi(%ld): start-pex-dma failed rval=0x%x\n", 2123 ha->host_no, rval)); 2124 goto error_exit; 2125 } 2126 2127 memcpy(data_ptr, rdmem_buffer, size); 2128 data_ptr += size; 2129 read_size += size; 2130 } 2131 2132 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s\n", __func__)); 2133 2134 *d_ptr = (uint32_t *)data_ptr; 2135 2136 error_exit: 2137 if (rdmem_buffer) 2138 dma_free_coherent(&ha->pdev->dev, size, rdmem_buffer, 2139 rdmem_dma); 2140 2141 return rval; 2142 } 2143 2144 static int qla4_8xxx_minidump_process_l2tag(struct scsi_qla_host *ha, 2145 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2146 uint32_t **d_ptr) 2147 { 2148 uint32_t addr, r_addr, c_addr, t_r_addr; 2149 uint32_t i, k, loop_count, t_value, r_cnt, r_value; 2150 unsigned long p_wait, w_time, p_mask; 2151 uint32_t c_value_w, c_value_r; 2152 struct qla8xxx_minidump_entry_cache *cache_hdr; 2153 int rval = QLA_ERROR; 2154 uint32_t *data_ptr = *d_ptr; 2155 2156 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2157 cache_hdr = (struct qla8xxx_minidump_entry_cache *)entry_hdr; 2158 2159 loop_count = cache_hdr->op_count; 2160 r_addr = cache_hdr->read_addr; 2161 c_addr = cache_hdr->control_addr; 2162 c_value_w = cache_hdr->cache_ctrl.write_value; 2163 2164 t_r_addr = cache_hdr->tag_reg_addr; 2165 t_value = cache_hdr->addr_ctrl.init_tag_value; 2166 r_cnt = cache_hdr->read_ctrl.read_addr_cnt; 2167 p_wait = cache_hdr->cache_ctrl.poll_wait; 2168 p_mask = cache_hdr->cache_ctrl.poll_mask; 2169 2170 for (i = 0; i < loop_count; i++) { 2171 ha->isp_ops->wr_reg_indirect(ha, t_r_addr, t_value); 2172 2173 if (c_value_w) 2174 ha->isp_ops->wr_reg_indirect(ha, c_addr, c_value_w); 2175 2176 if (p_mask) { 2177 w_time = jiffies + p_wait; 2178 do { 2179 ha->isp_ops->rd_reg_indirect(ha, c_addr, 2180 &c_value_r); 2181 if ((c_value_r & p_mask) == 0) { 2182 break; 2183 } else if (time_after_eq(jiffies, w_time)) { 2184 /* capturing dump failed */ 2185 return rval; 2186 } 2187 } while (1); 2188 } 2189 2190 addr = r_addr; 2191 for (k = 0; k < r_cnt; k++) { 2192 ha->isp_ops->rd_reg_indirect(ha, addr, &r_value); 2193 *data_ptr++ = cpu_to_le32(r_value); 2194 addr += cache_hdr->read_ctrl.read_addr_stride; 2195 } 2196 2197 t_value += cache_hdr->addr_ctrl.tag_value_stride; 2198 } 2199 *d_ptr = data_ptr; 2200 return QLA_SUCCESS; 2201 } 2202 2203 static int qla4_8xxx_minidump_process_control(struct scsi_qla_host *ha, 2204 struct qla8xxx_minidump_entry_hdr *entry_hdr) 2205 { 2206 struct qla8xxx_minidump_entry_crb *crb_entry; 2207 uint32_t read_value, opcode, poll_time, addr, index, rval = QLA_SUCCESS; 2208 uint32_t crb_addr; 2209 unsigned long wtime; 2210 struct qla4_8xxx_minidump_template_hdr *tmplt_hdr; 2211 int i; 2212 2213 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2214 tmplt_hdr = (struct qla4_8xxx_minidump_template_hdr *) 2215 ha->fw_dump_tmplt_hdr; 2216 crb_entry = (struct qla8xxx_minidump_entry_crb *)entry_hdr; 2217 2218 crb_addr = crb_entry->addr; 2219 for (i = 0; i < crb_entry->op_count; i++) { 2220 opcode = crb_entry->crb_ctrl.opcode; 2221 if (opcode & QLA8XXX_DBG_OPCODE_WR) { 2222 ha->isp_ops->wr_reg_indirect(ha, crb_addr, 2223 crb_entry->value_1); 2224 opcode &= ~QLA8XXX_DBG_OPCODE_WR; 2225 } 2226 if (opcode & QLA8XXX_DBG_OPCODE_RW) { 2227 ha->isp_ops->rd_reg_indirect(ha, crb_addr, &read_value); 2228 ha->isp_ops->wr_reg_indirect(ha, crb_addr, read_value); 2229 opcode &= ~QLA8XXX_DBG_OPCODE_RW; 2230 } 2231 if (opcode & QLA8XXX_DBG_OPCODE_AND) { 2232 ha->isp_ops->rd_reg_indirect(ha, crb_addr, &read_value); 2233 read_value &= crb_entry->value_2; 2234 opcode &= ~QLA8XXX_DBG_OPCODE_AND; 2235 if (opcode & QLA8XXX_DBG_OPCODE_OR) { 2236 read_value |= crb_entry->value_3; 2237 opcode &= ~QLA8XXX_DBG_OPCODE_OR; 2238 } 2239 ha->isp_ops->wr_reg_indirect(ha, crb_addr, read_value); 2240 } 2241 if (opcode & QLA8XXX_DBG_OPCODE_OR) { 2242 ha->isp_ops->rd_reg_indirect(ha, crb_addr, &read_value); 2243 read_value |= crb_entry->value_3; 2244 ha->isp_ops->wr_reg_indirect(ha, crb_addr, read_value); 2245 opcode &= ~QLA8XXX_DBG_OPCODE_OR; 2246 } 2247 if (opcode & QLA8XXX_DBG_OPCODE_POLL) { 2248 poll_time = crb_entry->crb_strd.poll_timeout; 2249 wtime = jiffies + poll_time; 2250 ha->isp_ops->rd_reg_indirect(ha, crb_addr, &read_value); 2251 2252 do { 2253 if ((read_value & crb_entry->value_2) == 2254 crb_entry->value_1) { 2255 break; 2256 } else if (time_after_eq(jiffies, wtime)) { 2257 /* capturing dump failed */ 2258 rval = QLA_ERROR; 2259 break; 2260 } else { 2261 ha->isp_ops->rd_reg_indirect(ha, 2262 crb_addr, &read_value); 2263 } 2264 } while (1); 2265 opcode &= ~QLA8XXX_DBG_OPCODE_POLL; 2266 } 2267 2268 if (opcode & QLA8XXX_DBG_OPCODE_RDSTATE) { 2269 if (crb_entry->crb_strd.state_index_a) { 2270 index = crb_entry->crb_strd.state_index_a; 2271 addr = tmplt_hdr->saved_state_array[index]; 2272 } else { 2273 addr = crb_addr; 2274 } 2275 2276 ha->isp_ops->rd_reg_indirect(ha, addr, &read_value); 2277 index = crb_entry->crb_ctrl.state_index_v; 2278 tmplt_hdr->saved_state_array[index] = read_value; 2279 opcode &= ~QLA8XXX_DBG_OPCODE_RDSTATE; 2280 } 2281 2282 if (opcode & QLA8XXX_DBG_OPCODE_WRSTATE) { 2283 if (crb_entry->crb_strd.state_index_a) { 2284 index = crb_entry->crb_strd.state_index_a; 2285 addr = tmplt_hdr->saved_state_array[index]; 2286 } else { 2287 addr = crb_addr; 2288 } 2289 2290 if (crb_entry->crb_ctrl.state_index_v) { 2291 index = crb_entry->crb_ctrl.state_index_v; 2292 read_value = 2293 tmplt_hdr->saved_state_array[index]; 2294 } else { 2295 read_value = crb_entry->value_1; 2296 } 2297 2298 ha->isp_ops->wr_reg_indirect(ha, addr, read_value); 2299 opcode &= ~QLA8XXX_DBG_OPCODE_WRSTATE; 2300 } 2301 2302 if (opcode & QLA8XXX_DBG_OPCODE_MDSTATE) { 2303 index = crb_entry->crb_ctrl.state_index_v; 2304 read_value = tmplt_hdr->saved_state_array[index]; 2305 read_value <<= crb_entry->crb_ctrl.shl; 2306 read_value >>= crb_entry->crb_ctrl.shr; 2307 if (crb_entry->value_2) 2308 read_value &= crb_entry->value_2; 2309 read_value |= crb_entry->value_3; 2310 read_value += crb_entry->value_1; 2311 tmplt_hdr->saved_state_array[index] = read_value; 2312 opcode &= ~QLA8XXX_DBG_OPCODE_MDSTATE; 2313 } 2314 crb_addr += crb_entry->crb_strd.addr_stride; 2315 } 2316 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s\n", __func__)); 2317 return rval; 2318 } 2319 2320 static void qla4_8xxx_minidump_process_rdocm(struct scsi_qla_host *ha, 2321 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2322 uint32_t **d_ptr) 2323 { 2324 uint32_t r_addr, r_stride, loop_cnt, i, r_value; 2325 struct qla8xxx_minidump_entry_rdocm *ocm_hdr; 2326 uint32_t *data_ptr = *d_ptr; 2327 2328 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2329 ocm_hdr = (struct qla8xxx_minidump_entry_rdocm *)entry_hdr; 2330 r_addr = ocm_hdr->read_addr; 2331 r_stride = ocm_hdr->read_addr_stride; 2332 loop_cnt = ocm_hdr->op_count; 2333 2334 DEBUG2(ql4_printk(KERN_INFO, ha, 2335 "[%s]: r_addr: 0x%x, r_stride: 0x%x, loop_cnt: 0x%x\n", 2336 __func__, r_addr, r_stride, loop_cnt)); 2337 2338 for (i = 0; i < loop_cnt; i++) { 2339 r_value = readl((void __iomem *)(r_addr + ha->nx_pcibase)); 2340 *data_ptr++ = cpu_to_le32(r_value); 2341 r_addr += r_stride; 2342 } 2343 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s datacount: 0x%lx\n", 2344 __func__, (long unsigned int) (loop_cnt * sizeof(uint32_t)))); 2345 *d_ptr = data_ptr; 2346 } 2347 2348 static void qla4_8xxx_minidump_process_rdmux(struct scsi_qla_host *ha, 2349 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2350 uint32_t **d_ptr) 2351 { 2352 uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value; 2353 struct qla8xxx_minidump_entry_mux *mux_hdr; 2354 uint32_t *data_ptr = *d_ptr; 2355 2356 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2357 mux_hdr = (struct qla8xxx_minidump_entry_mux *)entry_hdr; 2358 r_addr = mux_hdr->read_addr; 2359 s_addr = mux_hdr->select_addr; 2360 s_stride = mux_hdr->select_value_stride; 2361 s_value = mux_hdr->select_value; 2362 loop_cnt = mux_hdr->op_count; 2363 2364 for (i = 0; i < loop_cnt; i++) { 2365 ha->isp_ops->wr_reg_indirect(ha, s_addr, s_value); 2366 ha->isp_ops->rd_reg_indirect(ha, r_addr, &r_value); 2367 *data_ptr++ = cpu_to_le32(s_value); 2368 *data_ptr++ = cpu_to_le32(r_value); 2369 s_value += s_stride; 2370 } 2371 *d_ptr = data_ptr; 2372 } 2373 2374 static void qla4_8xxx_minidump_process_l1cache(struct scsi_qla_host *ha, 2375 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2376 uint32_t **d_ptr) 2377 { 2378 uint32_t addr, r_addr, c_addr, t_r_addr; 2379 uint32_t i, k, loop_count, t_value, r_cnt, r_value; 2380 uint32_t c_value_w; 2381 struct qla8xxx_minidump_entry_cache *cache_hdr; 2382 uint32_t *data_ptr = *d_ptr; 2383 2384 cache_hdr = (struct qla8xxx_minidump_entry_cache *)entry_hdr; 2385 loop_count = cache_hdr->op_count; 2386 r_addr = cache_hdr->read_addr; 2387 c_addr = cache_hdr->control_addr; 2388 c_value_w = cache_hdr->cache_ctrl.write_value; 2389 2390 t_r_addr = cache_hdr->tag_reg_addr; 2391 t_value = cache_hdr->addr_ctrl.init_tag_value; 2392 r_cnt = cache_hdr->read_ctrl.read_addr_cnt; 2393 2394 for (i = 0; i < loop_count; i++) { 2395 ha->isp_ops->wr_reg_indirect(ha, t_r_addr, t_value); 2396 ha->isp_ops->wr_reg_indirect(ha, c_addr, c_value_w); 2397 addr = r_addr; 2398 for (k = 0; k < r_cnt; k++) { 2399 ha->isp_ops->rd_reg_indirect(ha, addr, &r_value); 2400 *data_ptr++ = cpu_to_le32(r_value); 2401 addr += cache_hdr->read_ctrl.read_addr_stride; 2402 } 2403 t_value += cache_hdr->addr_ctrl.tag_value_stride; 2404 } 2405 *d_ptr = data_ptr; 2406 } 2407 2408 static void qla4_8xxx_minidump_process_queue(struct scsi_qla_host *ha, 2409 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2410 uint32_t **d_ptr) 2411 { 2412 uint32_t s_addr, r_addr; 2413 uint32_t r_stride, r_value, r_cnt, qid = 0; 2414 uint32_t i, k, loop_cnt; 2415 struct qla8xxx_minidump_entry_queue *q_hdr; 2416 uint32_t *data_ptr = *d_ptr; 2417 2418 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2419 q_hdr = (struct qla8xxx_minidump_entry_queue *)entry_hdr; 2420 s_addr = q_hdr->select_addr; 2421 r_cnt = q_hdr->rd_strd.read_addr_cnt; 2422 r_stride = q_hdr->rd_strd.read_addr_stride; 2423 loop_cnt = q_hdr->op_count; 2424 2425 for (i = 0; i < loop_cnt; i++) { 2426 ha->isp_ops->wr_reg_indirect(ha, s_addr, qid); 2427 r_addr = q_hdr->read_addr; 2428 for (k = 0; k < r_cnt; k++) { 2429 ha->isp_ops->rd_reg_indirect(ha, r_addr, &r_value); 2430 *data_ptr++ = cpu_to_le32(r_value); 2431 r_addr += r_stride; 2432 } 2433 qid += q_hdr->q_strd.queue_id_stride; 2434 } 2435 *d_ptr = data_ptr; 2436 } 2437 2438 #define MD_DIRECT_ROM_WINDOW 0x42110030 2439 #define MD_DIRECT_ROM_READ_BASE 0x42150000 2440 2441 static void qla4_82xx_minidump_process_rdrom(struct scsi_qla_host *ha, 2442 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2443 uint32_t **d_ptr) 2444 { 2445 uint32_t r_addr, r_value; 2446 uint32_t i, loop_cnt; 2447 struct qla8xxx_minidump_entry_rdrom *rom_hdr; 2448 uint32_t *data_ptr = *d_ptr; 2449 2450 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2451 rom_hdr = (struct qla8xxx_minidump_entry_rdrom *)entry_hdr; 2452 r_addr = rom_hdr->read_addr; 2453 loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t); 2454 2455 DEBUG2(ql4_printk(KERN_INFO, ha, 2456 "[%s]: flash_addr: 0x%x, read_data_size: 0x%x\n", 2457 __func__, r_addr, loop_cnt)); 2458 2459 for (i = 0; i < loop_cnt; i++) { 2460 ha->isp_ops->wr_reg_indirect(ha, MD_DIRECT_ROM_WINDOW, 2461 (r_addr & 0xFFFF0000)); 2462 ha->isp_ops->rd_reg_indirect(ha, 2463 MD_DIRECT_ROM_READ_BASE + (r_addr & 0x0000FFFF), 2464 &r_value); 2465 *data_ptr++ = cpu_to_le32(r_value); 2466 r_addr += sizeof(uint32_t); 2467 } 2468 *d_ptr = data_ptr; 2469 } 2470 2471 #define MD_MIU_TEST_AGT_CTRL 0x41000090 2472 #define MD_MIU_TEST_AGT_ADDR_LO 0x41000094 2473 #define MD_MIU_TEST_AGT_ADDR_HI 0x41000098 2474 2475 static int __qla4_8xxx_minidump_process_rdmem(struct scsi_qla_host *ha, 2476 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2477 uint32_t **d_ptr) 2478 { 2479 uint32_t r_addr, r_value, r_data; 2480 uint32_t i, j, loop_cnt; 2481 struct qla8xxx_minidump_entry_rdmem *m_hdr; 2482 unsigned long flags; 2483 uint32_t *data_ptr = *d_ptr; 2484 2485 DEBUG2(ql4_printk(KERN_INFO, ha, "Entering fn: %s\n", __func__)); 2486 m_hdr = (struct qla8xxx_minidump_entry_rdmem *)entry_hdr; 2487 r_addr = m_hdr->read_addr; 2488 loop_cnt = m_hdr->read_data_size/16; 2489 2490 DEBUG2(ql4_printk(KERN_INFO, ha, 2491 "[%s]: Read addr: 0x%x, read_data_size: 0x%x\n", 2492 __func__, r_addr, m_hdr->read_data_size)); 2493 2494 if (r_addr & 0xf) { 2495 DEBUG2(ql4_printk(KERN_INFO, ha, 2496 "[%s]: Read addr 0x%x not 16 bytes aligned\n", 2497 __func__, r_addr)); 2498 return QLA_ERROR; 2499 } 2500 2501 if (m_hdr->read_data_size % 16) { 2502 DEBUG2(ql4_printk(KERN_INFO, ha, 2503 "[%s]: Read data[0x%x] not multiple of 16 bytes\n", 2504 __func__, m_hdr->read_data_size)); 2505 return QLA_ERROR; 2506 } 2507 2508 DEBUG2(ql4_printk(KERN_INFO, ha, 2509 "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n", 2510 __func__, r_addr, m_hdr->read_data_size, loop_cnt)); 2511 2512 write_lock_irqsave(&ha->hw_lock, flags); 2513 for (i = 0; i < loop_cnt; i++) { 2514 ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_ADDR_LO, 2515 r_addr); 2516 r_value = 0; 2517 ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_ADDR_HI, 2518 r_value); 2519 r_value = MIU_TA_CTL_ENABLE; 2520 ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_CTRL, r_value); 2521 r_value = MIU_TA_CTL_START_ENABLE; 2522 ha->isp_ops->wr_reg_indirect(ha, MD_MIU_TEST_AGT_CTRL, r_value); 2523 2524 for (j = 0; j < MAX_CTL_CHECK; j++) { 2525 ha->isp_ops->rd_reg_indirect(ha, MD_MIU_TEST_AGT_CTRL, 2526 &r_value); 2527 if ((r_value & MIU_TA_CTL_BUSY) == 0) 2528 break; 2529 } 2530 2531 if (j >= MAX_CTL_CHECK) { 2532 printk_ratelimited(KERN_ERR 2533 "%s: failed to read through agent\n", 2534 __func__); 2535 write_unlock_irqrestore(&ha->hw_lock, flags); 2536 return QLA_SUCCESS; 2537 } 2538 2539 for (j = 0; j < 4; j++) { 2540 ha->isp_ops->rd_reg_indirect(ha, 2541 MD_MIU_TEST_AGT_RDDATA[j], 2542 &r_data); 2543 *data_ptr++ = cpu_to_le32(r_data); 2544 } 2545 2546 r_addr += 16; 2547 } 2548 write_unlock_irqrestore(&ha->hw_lock, flags); 2549 2550 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s datacount: 0x%x\n", 2551 __func__, (loop_cnt * 16))); 2552 2553 *d_ptr = data_ptr; 2554 return QLA_SUCCESS; 2555 } 2556 2557 static int qla4_8xxx_minidump_process_rdmem(struct scsi_qla_host *ha, 2558 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2559 uint32_t **d_ptr) 2560 { 2561 uint32_t *data_ptr = *d_ptr; 2562 int rval = QLA_SUCCESS; 2563 2564 rval = qla4_8xxx_minidump_pex_dma_read(ha, entry_hdr, &data_ptr); 2565 if (rval != QLA_SUCCESS) 2566 rval = __qla4_8xxx_minidump_process_rdmem(ha, entry_hdr, 2567 &data_ptr); 2568 *d_ptr = data_ptr; 2569 return rval; 2570 } 2571 2572 static void qla4_8xxx_mark_entry_skipped(struct scsi_qla_host *ha, 2573 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2574 int index) 2575 { 2576 entry_hdr->d_ctrl.driver_flags |= QLA8XXX_DBG_SKIPPED_FLAG; 2577 DEBUG2(ql4_printk(KERN_INFO, ha, 2578 "scsi(%ld): Skipping entry[%d]: ETYPE[0x%x]-ELEVEL[0x%x]\n", 2579 ha->host_no, index, entry_hdr->entry_type, 2580 entry_hdr->d_ctrl.entry_capture_mask)); 2581 /* If driver encounters a new entry type that it cannot process, 2582 * it should just skip the entry and adjust the total buffer size by 2583 * from subtracting the skipped bytes from it 2584 */ 2585 ha->fw_dump_skip_size += entry_hdr->entry_capture_size; 2586 } 2587 2588 /* ISP83xx functions to process new minidump entries... */ 2589 static uint32_t qla83xx_minidump_process_pollrd(struct scsi_qla_host *ha, 2590 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2591 uint32_t **d_ptr) 2592 { 2593 uint32_t r_addr, s_addr, s_value, r_value, poll_wait, poll_mask; 2594 uint16_t s_stride, i; 2595 uint32_t *data_ptr = *d_ptr; 2596 uint32_t rval = QLA_SUCCESS; 2597 struct qla83xx_minidump_entry_pollrd *pollrd_hdr; 2598 2599 pollrd_hdr = (struct qla83xx_minidump_entry_pollrd *)entry_hdr; 2600 s_addr = le32_to_cpu(pollrd_hdr->select_addr); 2601 r_addr = le32_to_cpu(pollrd_hdr->read_addr); 2602 s_value = le32_to_cpu(pollrd_hdr->select_value); 2603 s_stride = le32_to_cpu(pollrd_hdr->select_value_stride); 2604 2605 poll_wait = le32_to_cpu(pollrd_hdr->poll_wait); 2606 poll_mask = le32_to_cpu(pollrd_hdr->poll_mask); 2607 2608 for (i = 0; i < le32_to_cpu(pollrd_hdr->op_count); i++) { 2609 ha->isp_ops->wr_reg_indirect(ha, s_addr, s_value); 2610 poll_wait = le32_to_cpu(pollrd_hdr->poll_wait); 2611 while (1) { 2612 ha->isp_ops->rd_reg_indirect(ha, s_addr, &r_value); 2613 2614 if ((r_value & poll_mask) != 0) { 2615 break; 2616 } else { 2617 msleep(1); 2618 if (--poll_wait == 0) { 2619 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT\n", 2620 __func__); 2621 rval = QLA_ERROR; 2622 goto exit_process_pollrd; 2623 } 2624 } 2625 } 2626 ha->isp_ops->rd_reg_indirect(ha, r_addr, &r_value); 2627 *data_ptr++ = cpu_to_le32(s_value); 2628 *data_ptr++ = cpu_to_le32(r_value); 2629 s_value += s_stride; 2630 } 2631 2632 *d_ptr = data_ptr; 2633 2634 exit_process_pollrd: 2635 return rval; 2636 } 2637 2638 static uint32_t qla4_84xx_minidump_process_rddfe(struct scsi_qla_host *ha, 2639 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2640 uint32_t **d_ptr) 2641 { 2642 int loop_cnt; 2643 uint32_t addr1, addr2, value, data, temp, wrval; 2644 uint8_t stride, stride2; 2645 uint16_t count; 2646 uint32_t poll, mask, data_size, modify_mask; 2647 uint32_t wait_count = 0; 2648 uint32_t *data_ptr = *d_ptr; 2649 struct qla8044_minidump_entry_rddfe *rddfe; 2650 uint32_t rval = QLA_SUCCESS; 2651 2652 rddfe = (struct qla8044_minidump_entry_rddfe *)entry_hdr; 2653 addr1 = le32_to_cpu(rddfe->addr_1); 2654 value = le32_to_cpu(rddfe->value); 2655 stride = le32_to_cpu(rddfe->stride); 2656 stride2 = le32_to_cpu(rddfe->stride2); 2657 count = le32_to_cpu(rddfe->count); 2658 2659 poll = le32_to_cpu(rddfe->poll); 2660 mask = le32_to_cpu(rddfe->mask); 2661 modify_mask = le32_to_cpu(rddfe->modify_mask); 2662 data_size = le32_to_cpu(rddfe->data_size); 2663 2664 addr2 = addr1 + stride; 2665 2666 for (loop_cnt = 0x0; loop_cnt < count; loop_cnt++) { 2667 ha->isp_ops->wr_reg_indirect(ha, addr1, (0x40000000 | value)); 2668 2669 wait_count = 0; 2670 while (wait_count < poll) { 2671 ha->isp_ops->rd_reg_indirect(ha, addr1, &temp); 2672 if ((temp & mask) != 0) 2673 break; 2674 wait_count++; 2675 } 2676 2677 if (wait_count == poll) { 2678 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT\n", __func__); 2679 rval = QLA_ERROR; 2680 goto exit_process_rddfe; 2681 } else { 2682 ha->isp_ops->rd_reg_indirect(ha, addr2, &temp); 2683 temp = temp & modify_mask; 2684 temp = (temp | ((loop_cnt << 16) | loop_cnt)); 2685 wrval = ((temp << 16) | temp); 2686 2687 ha->isp_ops->wr_reg_indirect(ha, addr2, wrval); 2688 ha->isp_ops->wr_reg_indirect(ha, addr1, value); 2689 2690 wait_count = 0; 2691 while (wait_count < poll) { 2692 ha->isp_ops->rd_reg_indirect(ha, addr1, &temp); 2693 if ((temp & mask) != 0) 2694 break; 2695 wait_count++; 2696 } 2697 if (wait_count == poll) { 2698 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT\n", 2699 __func__); 2700 rval = QLA_ERROR; 2701 goto exit_process_rddfe; 2702 } 2703 2704 ha->isp_ops->wr_reg_indirect(ha, addr1, 2705 ((0x40000000 | value) + 2706 stride2)); 2707 wait_count = 0; 2708 while (wait_count < poll) { 2709 ha->isp_ops->rd_reg_indirect(ha, addr1, &temp); 2710 if ((temp & mask) != 0) 2711 break; 2712 wait_count++; 2713 } 2714 2715 if (wait_count == poll) { 2716 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT\n", 2717 __func__); 2718 rval = QLA_ERROR; 2719 goto exit_process_rddfe; 2720 } 2721 2722 ha->isp_ops->rd_reg_indirect(ha, addr2, &data); 2723 2724 *data_ptr++ = cpu_to_le32(wrval); 2725 *data_ptr++ = cpu_to_le32(data); 2726 } 2727 } 2728 2729 *d_ptr = data_ptr; 2730 exit_process_rddfe: 2731 return rval; 2732 } 2733 2734 static uint32_t qla4_84xx_minidump_process_rdmdio(struct scsi_qla_host *ha, 2735 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2736 uint32_t **d_ptr) 2737 { 2738 int rval = QLA_SUCCESS; 2739 uint32_t addr1, addr2, value1, value2, data, selval; 2740 uint8_t stride1, stride2; 2741 uint32_t addr3, addr4, addr5, addr6, addr7; 2742 uint16_t count, loop_cnt; 2743 uint32_t poll, mask; 2744 uint32_t *data_ptr = *d_ptr; 2745 struct qla8044_minidump_entry_rdmdio *rdmdio; 2746 2747 rdmdio = (struct qla8044_minidump_entry_rdmdio *)entry_hdr; 2748 addr1 = le32_to_cpu(rdmdio->addr_1); 2749 addr2 = le32_to_cpu(rdmdio->addr_2); 2750 value1 = le32_to_cpu(rdmdio->value_1); 2751 stride1 = le32_to_cpu(rdmdio->stride_1); 2752 stride2 = le32_to_cpu(rdmdio->stride_2); 2753 count = le32_to_cpu(rdmdio->count); 2754 2755 poll = le32_to_cpu(rdmdio->poll); 2756 mask = le32_to_cpu(rdmdio->mask); 2757 value2 = le32_to_cpu(rdmdio->value_2); 2758 2759 addr3 = addr1 + stride1; 2760 2761 for (loop_cnt = 0; loop_cnt < count; loop_cnt++) { 2762 rval = ql4_84xx_poll_wait_ipmdio_bus_idle(ha, addr1, addr2, 2763 addr3, mask); 2764 if (rval) 2765 goto exit_process_rdmdio; 2766 2767 addr4 = addr2 - stride1; 2768 rval = ql4_84xx_ipmdio_wr_reg(ha, addr1, addr3, mask, addr4, 2769 value2); 2770 if (rval) 2771 goto exit_process_rdmdio; 2772 2773 addr5 = addr2 - (2 * stride1); 2774 rval = ql4_84xx_ipmdio_wr_reg(ha, addr1, addr3, mask, addr5, 2775 value1); 2776 if (rval) 2777 goto exit_process_rdmdio; 2778 2779 addr6 = addr2 - (3 * stride1); 2780 rval = ql4_84xx_ipmdio_wr_reg(ha, addr1, addr3, mask, 2781 addr6, 0x2); 2782 if (rval) 2783 goto exit_process_rdmdio; 2784 2785 rval = ql4_84xx_poll_wait_ipmdio_bus_idle(ha, addr1, addr2, 2786 addr3, mask); 2787 if (rval) 2788 goto exit_process_rdmdio; 2789 2790 addr7 = addr2 - (4 * stride1); 2791 rval = ql4_84xx_ipmdio_rd_reg(ha, addr1, addr3, 2792 mask, addr7, &data); 2793 if (rval) 2794 goto exit_process_rdmdio; 2795 2796 selval = (value2 << 18) | (value1 << 2) | 2; 2797 2798 stride2 = le32_to_cpu(rdmdio->stride_2); 2799 *data_ptr++ = cpu_to_le32(selval); 2800 *data_ptr++ = cpu_to_le32(data); 2801 2802 value1 = value1 + stride2; 2803 *d_ptr = data_ptr; 2804 } 2805 2806 exit_process_rdmdio: 2807 return rval; 2808 } 2809 2810 static uint32_t qla4_84xx_minidump_process_pollwr(struct scsi_qla_host *ha, 2811 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2812 uint32_t **d_ptr) 2813 { 2814 uint32_t addr1, addr2, value1, value2, poll, mask, r_value; 2815 struct qla8044_minidump_entry_pollwr *pollwr_hdr; 2816 uint32_t wait_count = 0; 2817 uint32_t rval = QLA_SUCCESS; 2818 2819 pollwr_hdr = (struct qla8044_minidump_entry_pollwr *)entry_hdr; 2820 addr1 = le32_to_cpu(pollwr_hdr->addr_1); 2821 addr2 = le32_to_cpu(pollwr_hdr->addr_2); 2822 value1 = le32_to_cpu(pollwr_hdr->value_1); 2823 value2 = le32_to_cpu(pollwr_hdr->value_2); 2824 2825 poll = le32_to_cpu(pollwr_hdr->poll); 2826 mask = le32_to_cpu(pollwr_hdr->mask); 2827 2828 while (wait_count < poll) { 2829 ha->isp_ops->rd_reg_indirect(ha, addr1, &r_value); 2830 2831 if ((r_value & poll) != 0) 2832 break; 2833 2834 wait_count++; 2835 } 2836 2837 if (wait_count == poll) { 2838 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT\n", __func__); 2839 rval = QLA_ERROR; 2840 goto exit_process_pollwr; 2841 } 2842 2843 ha->isp_ops->wr_reg_indirect(ha, addr2, value2); 2844 ha->isp_ops->wr_reg_indirect(ha, addr1, value1); 2845 2846 wait_count = 0; 2847 while (wait_count < poll) { 2848 ha->isp_ops->rd_reg_indirect(ha, addr1, &r_value); 2849 2850 if ((r_value & poll) != 0) 2851 break; 2852 wait_count++; 2853 } 2854 2855 exit_process_pollwr: 2856 return rval; 2857 } 2858 2859 static void qla83xx_minidump_process_rdmux2(struct scsi_qla_host *ha, 2860 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2861 uint32_t **d_ptr) 2862 { 2863 uint32_t sel_val1, sel_val2, t_sel_val, data, i; 2864 uint32_t sel_addr1, sel_addr2, sel_val_mask, read_addr; 2865 struct qla83xx_minidump_entry_rdmux2 *rdmux2_hdr; 2866 uint32_t *data_ptr = *d_ptr; 2867 2868 rdmux2_hdr = (struct qla83xx_minidump_entry_rdmux2 *)entry_hdr; 2869 sel_val1 = le32_to_cpu(rdmux2_hdr->select_value_1); 2870 sel_val2 = le32_to_cpu(rdmux2_hdr->select_value_2); 2871 sel_addr1 = le32_to_cpu(rdmux2_hdr->select_addr_1); 2872 sel_addr2 = le32_to_cpu(rdmux2_hdr->select_addr_2); 2873 sel_val_mask = le32_to_cpu(rdmux2_hdr->select_value_mask); 2874 read_addr = le32_to_cpu(rdmux2_hdr->read_addr); 2875 2876 for (i = 0; i < rdmux2_hdr->op_count; i++) { 2877 ha->isp_ops->wr_reg_indirect(ha, sel_addr1, sel_val1); 2878 t_sel_val = sel_val1 & sel_val_mask; 2879 *data_ptr++ = cpu_to_le32(t_sel_val); 2880 2881 ha->isp_ops->wr_reg_indirect(ha, sel_addr2, t_sel_val); 2882 ha->isp_ops->rd_reg_indirect(ha, read_addr, &data); 2883 2884 *data_ptr++ = cpu_to_le32(data); 2885 2886 ha->isp_ops->wr_reg_indirect(ha, sel_addr1, sel_val2); 2887 t_sel_val = sel_val2 & sel_val_mask; 2888 *data_ptr++ = cpu_to_le32(t_sel_val); 2889 2890 ha->isp_ops->wr_reg_indirect(ha, sel_addr2, t_sel_val); 2891 ha->isp_ops->rd_reg_indirect(ha, read_addr, &data); 2892 2893 *data_ptr++ = cpu_to_le32(data); 2894 2895 sel_val1 += rdmux2_hdr->select_value_stride; 2896 sel_val2 += rdmux2_hdr->select_value_stride; 2897 } 2898 2899 *d_ptr = data_ptr; 2900 } 2901 2902 static uint32_t qla83xx_minidump_process_pollrdmwr(struct scsi_qla_host *ha, 2903 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2904 uint32_t **d_ptr) 2905 { 2906 uint32_t poll_wait, poll_mask, r_value, data; 2907 uint32_t addr_1, addr_2, value_1, value_2; 2908 uint32_t *data_ptr = *d_ptr; 2909 uint32_t rval = QLA_SUCCESS; 2910 struct qla83xx_minidump_entry_pollrdmwr *poll_hdr; 2911 2912 poll_hdr = (struct qla83xx_minidump_entry_pollrdmwr *)entry_hdr; 2913 addr_1 = le32_to_cpu(poll_hdr->addr_1); 2914 addr_2 = le32_to_cpu(poll_hdr->addr_2); 2915 value_1 = le32_to_cpu(poll_hdr->value_1); 2916 value_2 = le32_to_cpu(poll_hdr->value_2); 2917 poll_mask = le32_to_cpu(poll_hdr->poll_mask); 2918 2919 ha->isp_ops->wr_reg_indirect(ha, addr_1, value_1); 2920 2921 poll_wait = le32_to_cpu(poll_hdr->poll_wait); 2922 while (1) { 2923 ha->isp_ops->rd_reg_indirect(ha, addr_1, &r_value); 2924 2925 if ((r_value & poll_mask) != 0) { 2926 break; 2927 } else { 2928 msleep(1); 2929 if (--poll_wait == 0) { 2930 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT_1\n", 2931 __func__); 2932 rval = QLA_ERROR; 2933 goto exit_process_pollrdmwr; 2934 } 2935 } 2936 } 2937 2938 ha->isp_ops->rd_reg_indirect(ha, addr_2, &data); 2939 data &= le32_to_cpu(poll_hdr->modify_mask); 2940 ha->isp_ops->wr_reg_indirect(ha, addr_2, data); 2941 ha->isp_ops->wr_reg_indirect(ha, addr_1, value_2); 2942 2943 poll_wait = le32_to_cpu(poll_hdr->poll_wait); 2944 while (1) { 2945 ha->isp_ops->rd_reg_indirect(ha, addr_1, &r_value); 2946 2947 if ((r_value & poll_mask) != 0) { 2948 break; 2949 } else { 2950 msleep(1); 2951 if (--poll_wait == 0) { 2952 ql4_printk(KERN_ERR, ha, "%s: TIMEOUT_2\n", 2953 __func__); 2954 rval = QLA_ERROR; 2955 goto exit_process_pollrdmwr; 2956 } 2957 } 2958 } 2959 2960 *data_ptr++ = cpu_to_le32(addr_2); 2961 *data_ptr++ = cpu_to_le32(data); 2962 *d_ptr = data_ptr; 2963 2964 exit_process_pollrdmwr: 2965 return rval; 2966 } 2967 2968 static uint32_t qla4_83xx_minidump_process_rdrom(struct scsi_qla_host *ha, 2969 struct qla8xxx_minidump_entry_hdr *entry_hdr, 2970 uint32_t **d_ptr) 2971 { 2972 uint32_t fl_addr, u32_count, rval; 2973 struct qla8xxx_minidump_entry_rdrom *rom_hdr; 2974 uint32_t *data_ptr = *d_ptr; 2975 2976 rom_hdr = (struct qla8xxx_minidump_entry_rdrom *)entry_hdr; 2977 fl_addr = le32_to_cpu(rom_hdr->read_addr); 2978 u32_count = le32_to_cpu(rom_hdr->read_data_size)/sizeof(uint32_t); 2979 2980 DEBUG2(ql4_printk(KERN_INFO, ha, "[%s]: fl_addr: 0x%x, count: 0x%x\n", 2981 __func__, fl_addr, u32_count)); 2982 2983 rval = qla4_83xx_lockless_flash_read_u32(ha, fl_addr, 2984 (u8 *)(data_ptr), u32_count); 2985 2986 if (rval == QLA_ERROR) { 2987 ql4_printk(KERN_ERR, ha, "%s: Flash Read Error,Count=%d\n", 2988 __func__, u32_count); 2989 goto exit_process_rdrom; 2990 } 2991 2992 data_ptr += u32_count; 2993 *d_ptr = data_ptr; 2994 2995 exit_process_rdrom: 2996 return rval; 2997 } 2998 2999 /** 3000 * qla4_8xxx_collect_md_data - Retrieve firmware minidump data. 3001 * @ha: pointer to adapter structure 3002 **/ 3003 static int qla4_8xxx_collect_md_data(struct scsi_qla_host *ha) 3004 { 3005 int num_entry_hdr = 0; 3006 struct qla8xxx_minidump_entry_hdr *entry_hdr; 3007 struct qla4_8xxx_minidump_template_hdr *tmplt_hdr; 3008 uint32_t *data_ptr; 3009 uint32_t data_collected = 0; 3010 int i, rval = QLA_ERROR; 3011 uint64_t now; 3012 uint32_t timestamp; 3013 3014 ha->fw_dump_skip_size = 0; 3015 if (!ha->fw_dump) { 3016 ql4_printk(KERN_INFO, ha, "%s(%ld) No buffer to dump\n", 3017 __func__, ha->host_no); 3018 return rval; 3019 } 3020 3021 tmplt_hdr = (struct qla4_8xxx_minidump_template_hdr *) 3022 ha->fw_dump_tmplt_hdr; 3023 data_ptr = (uint32_t *)((uint8_t *)ha->fw_dump + 3024 ha->fw_dump_tmplt_size); 3025 data_collected += ha->fw_dump_tmplt_size; 3026 3027 num_entry_hdr = tmplt_hdr->num_of_entries; 3028 ql4_printk(KERN_INFO, ha, "[%s]: starting data ptr: %p\n", 3029 __func__, data_ptr); 3030 ql4_printk(KERN_INFO, ha, 3031 "[%s]: no of entry headers in Template: 0x%x\n", 3032 __func__, num_entry_hdr); 3033 ql4_printk(KERN_INFO, ha, "[%s]: Capture Mask obtained: 0x%x\n", 3034 __func__, ha->fw_dump_capture_mask); 3035 ql4_printk(KERN_INFO, ha, "[%s]: Total_data_size 0x%x, %d obtained\n", 3036 __func__, ha->fw_dump_size, ha->fw_dump_size); 3037 3038 /* Update current timestamp before taking dump */ 3039 now = get_jiffies_64(); 3040 timestamp = (u32)(jiffies_to_msecs(now) / 1000); 3041 tmplt_hdr->driver_timestamp = timestamp; 3042 3043 entry_hdr = (struct qla8xxx_minidump_entry_hdr *) 3044 (((uint8_t *)ha->fw_dump_tmplt_hdr) + 3045 tmplt_hdr->first_entry_offset); 3046 3047 if (is_qla8032(ha) || is_qla8042(ha)) 3048 tmplt_hdr->saved_state_array[QLA83XX_SS_OCM_WNDREG_INDEX] = 3049 tmplt_hdr->ocm_window_reg[ha->func_num]; 3050 3051 /* Walk through the entry headers - validate/perform required action */ 3052 for (i = 0; i < num_entry_hdr; i++) { 3053 if (data_collected > ha->fw_dump_size) { 3054 ql4_printk(KERN_INFO, ha, 3055 "Data collected: [0x%x], Total Dump size: [0x%x]\n", 3056 data_collected, ha->fw_dump_size); 3057 return rval; 3058 } 3059 3060 if (!(entry_hdr->d_ctrl.entry_capture_mask & 3061 ha->fw_dump_capture_mask)) { 3062 entry_hdr->d_ctrl.driver_flags |= 3063 QLA8XXX_DBG_SKIPPED_FLAG; 3064 goto skip_nxt_entry; 3065 } 3066 3067 DEBUG2(ql4_printk(KERN_INFO, ha, 3068 "Data collected: [0x%x], Dump size left:[0x%x]\n", 3069 data_collected, 3070 (ha->fw_dump_size - data_collected))); 3071 3072 /* Decode the entry type and take required action to capture 3073 * debug data 3074 */ 3075 switch (entry_hdr->entry_type) { 3076 case QLA8XXX_RDEND: 3077 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3078 break; 3079 case QLA8XXX_CNTRL: 3080 rval = qla4_8xxx_minidump_process_control(ha, 3081 entry_hdr); 3082 if (rval != QLA_SUCCESS) { 3083 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3084 goto md_failed; 3085 } 3086 break; 3087 case QLA8XXX_RDCRB: 3088 qla4_8xxx_minidump_process_rdcrb(ha, entry_hdr, 3089 &data_ptr); 3090 break; 3091 case QLA8XXX_RDMEM: 3092 rval = qla4_8xxx_minidump_process_rdmem(ha, entry_hdr, 3093 &data_ptr); 3094 if (rval != QLA_SUCCESS) { 3095 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3096 goto md_failed; 3097 } 3098 break; 3099 case QLA8XXX_BOARD: 3100 case QLA8XXX_RDROM: 3101 if (is_qla8022(ha)) { 3102 qla4_82xx_minidump_process_rdrom(ha, entry_hdr, 3103 &data_ptr); 3104 } else if (is_qla8032(ha) || is_qla8042(ha)) { 3105 rval = qla4_83xx_minidump_process_rdrom(ha, 3106 entry_hdr, 3107 &data_ptr); 3108 if (rval != QLA_SUCCESS) 3109 qla4_8xxx_mark_entry_skipped(ha, 3110 entry_hdr, 3111 i); 3112 } 3113 break; 3114 case QLA8XXX_L2DTG: 3115 case QLA8XXX_L2ITG: 3116 case QLA8XXX_L2DAT: 3117 case QLA8XXX_L2INS: 3118 rval = qla4_8xxx_minidump_process_l2tag(ha, entry_hdr, 3119 &data_ptr); 3120 if (rval != QLA_SUCCESS) { 3121 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3122 goto md_failed; 3123 } 3124 break; 3125 case QLA8XXX_L1DTG: 3126 case QLA8XXX_L1ITG: 3127 case QLA8XXX_L1DAT: 3128 case QLA8XXX_L1INS: 3129 qla4_8xxx_minidump_process_l1cache(ha, entry_hdr, 3130 &data_ptr); 3131 break; 3132 case QLA8XXX_RDOCM: 3133 qla4_8xxx_minidump_process_rdocm(ha, entry_hdr, 3134 &data_ptr); 3135 break; 3136 case QLA8XXX_RDMUX: 3137 qla4_8xxx_minidump_process_rdmux(ha, entry_hdr, 3138 &data_ptr); 3139 break; 3140 case QLA8XXX_QUEUE: 3141 qla4_8xxx_minidump_process_queue(ha, entry_hdr, 3142 &data_ptr); 3143 break; 3144 case QLA83XX_POLLRD: 3145 if (is_qla8022(ha)) { 3146 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3147 break; 3148 } 3149 rval = qla83xx_minidump_process_pollrd(ha, entry_hdr, 3150 &data_ptr); 3151 if (rval != QLA_SUCCESS) 3152 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3153 break; 3154 case QLA83XX_RDMUX2: 3155 if (is_qla8022(ha)) { 3156 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3157 break; 3158 } 3159 qla83xx_minidump_process_rdmux2(ha, entry_hdr, 3160 &data_ptr); 3161 break; 3162 case QLA83XX_POLLRDMWR: 3163 if (is_qla8022(ha)) { 3164 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3165 break; 3166 } 3167 rval = qla83xx_minidump_process_pollrdmwr(ha, entry_hdr, 3168 &data_ptr); 3169 if (rval != QLA_SUCCESS) 3170 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3171 break; 3172 case QLA8044_RDDFE: 3173 rval = qla4_84xx_minidump_process_rddfe(ha, entry_hdr, 3174 &data_ptr); 3175 if (rval != QLA_SUCCESS) 3176 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3177 break; 3178 case QLA8044_RDMDIO: 3179 rval = qla4_84xx_minidump_process_rdmdio(ha, entry_hdr, 3180 &data_ptr); 3181 if (rval != QLA_SUCCESS) 3182 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3183 break; 3184 case QLA8044_POLLWR: 3185 rval = qla4_84xx_minidump_process_pollwr(ha, entry_hdr, 3186 &data_ptr); 3187 if (rval != QLA_SUCCESS) 3188 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3189 break; 3190 case QLA8XXX_RDNOP: 3191 default: 3192 qla4_8xxx_mark_entry_skipped(ha, entry_hdr, i); 3193 break; 3194 } 3195 3196 data_collected = (uint8_t *)data_ptr - (uint8_t *)ha->fw_dump; 3197 skip_nxt_entry: 3198 /* next entry in the template */ 3199 entry_hdr = (struct qla8xxx_minidump_entry_hdr *) 3200 (((uint8_t *)entry_hdr) + 3201 entry_hdr->entry_size); 3202 } 3203 3204 if ((data_collected + ha->fw_dump_skip_size) != ha->fw_dump_size) { 3205 ql4_printk(KERN_INFO, ha, 3206 "Dump data mismatch: Data collected: [0x%x], total_data_size:[0x%x]\n", 3207 data_collected, ha->fw_dump_size); 3208 rval = QLA_ERROR; 3209 goto md_failed; 3210 } 3211 3212 DEBUG2(ql4_printk(KERN_INFO, ha, "Leaving fn: %s Last entry: 0x%x\n", 3213 __func__, i)); 3214 md_failed: 3215 return rval; 3216 } 3217 3218 /** 3219 * qla4_8xxx_uevent_emit - Send uevent when the firmware dump is ready. 3220 * @ha: pointer to adapter structure 3221 **/ 3222 static void qla4_8xxx_uevent_emit(struct scsi_qla_host *ha, u32 code) 3223 { 3224 char event_string[40]; 3225 char *envp[] = { event_string, NULL }; 3226 3227 switch (code) { 3228 case QL4_UEVENT_CODE_FW_DUMP: 3229 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld", 3230 ha->host_no); 3231 break; 3232 default: 3233 /*do nothing*/ 3234 break; 3235 } 3236 3237 kobject_uevent_env(&(&ha->pdev->dev)->kobj, KOBJ_CHANGE, envp); 3238 } 3239 3240 void qla4_8xxx_get_minidump(struct scsi_qla_host *ha) 3241 { 3242 if (ql4xenablemd && test_bit(AF_FW_RECOVERY, &ha->flags) && 3243 !test_bit(AF_82XX_FW_DUMPED, &ha->flags)) { 3244 if (!qla4_8xxx_collect_md_data(ha)) { 3245 qla4_8xxx_uevent_emit(ha, QL4_UEVENT_CODE_FW_DUMP); 3246 set_bit(AF_82XX_FW_DUMPED, &ha->flags); 3247 } else { 3248 ql4_printk(KERN_INFO, ha, "%s: Unable to collect minidump\n", 3249 __func__); 3250 } 3251 } 3252 } 3253 3254 /** 3255 * qla4_8xxx_device_bootstrap - Initialize device, set DEV_READY, start fw 3256 * @ha: pointer to adapter structure 3257 * 3258 * Note: IDC lock must be held upon entry 3259 **/ 3260 int qla4_8xxx_device_bootstrap(struct scsi_qla_host *ha) 3261 { 3262 int rval = QLA_ERROR; 3263 int i; 3264 uint32_t old_count, count; 3265 int need_reset = 0; 3266 3267 need_reset = ha->isp_ops->need_reset(ha); 3268 3269 if (need_reset) { 3270 /* We are trying to perform a recovery here. */ 3271 if (test_bit(AF_FW_RECOVERY, &ha->flags)) 3272 ha->isp_ops->rom_lock_recovery(ha); 3273 } else { 3274 old_count = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER); 3275 for (i = 0; i < 10; i++) { 3276 msleep(200); 3277 count = qla4_8xxx_rd_direct(ha, 3278 QLA8XXX_PEG_ALIVE_COUNTER); 3279 if (count != old_count) { 3280 rval = QLA_SUCCESS; 3281 goto dev_ready; 3282 } 3283 } 3284 ha->isp_ops->rom_lock_recovery(ha); 3285 } 3286 3287 /* set to DEV_INITIALIZING */ 3288 ql4_printk(KERN_INFO, ha, "HW State: INITIALIZING\n"); 3289 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 3290 QLA8XXX_DEV_INITIALIZING); 3291 3292 ha->isp_ops->idc_unlock(ha); 3293 3294 if (is_qla8022(ha)) 3295 qla4_8xxx_get_minidump(ha); 3296 3297 rval = ha->isp_ops->restart_firmware(ha); 3298 ha->isp_ops->idc_lock(ha); 3299 3300 if (rval != QLA_SUCCESS) { 3301 ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); 3302 qla4_8xxx_clear_drv_active(ha); 3303 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 3304 QLA8XXX_DEV_FAILED); 3305 return rval; 3306 } 3307 3308 dev_ready: 3309 ql4_printk(KERN_INFO, ha, "HW State: READY\n"); 3310 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, QLA8XXX_DEV_READY); 3311 3312 return rval; 3313 } 3314 3315 /** 3316 * qla4_82xx_need_reset_handler - Code to start reset sequence 3317 * @ha: pointer to adapter structure 3318 * 3319 * Note: IDC lock must be held upon entry 3320 **/ 3321 static void 3322 qla4_82xx_need_reset_handler(struct scsi_qla_host *ha) 3323 { 3324 uint32_t dev_state, drv_state, drv_active; 3325 uint32_t active_mask = 0xFFFFFFFF; 3326 unsigned long reset_timeout; 3327 3328 ql4_printk(KERN_INFO, ha, 3329 "Performing ISP error recovery\n"); 3330 3331 if (test_and_clear_bit(AF_ONLINE, &ha->flags)) { 3332 qla4_82xx_idc_unlock(ha); 3333 ha->isp_ops->disable_intrs(ha); 3334 qla4_82xx_idc_lock(ha); 3335 } 3336 3337 if (!test_bit(AF_8XXX_RST_OWNER, &ha->flags)) { 3338 DEBUG2(ql4_printk(KERN_INFO, ha, 3339 "%s(%ld): reset acknowledged\n", 3340 __func__, ha->host_no)); 3341 qla4_8xxx_set_rst_ready(ha); 3342 } else { 3343 active_mask = (~(1 << (ha->func_num * 4))); 3344 } 3345 3346 /* wait for 10 seconds for reset ack from all functions */ 3347 reset_timeout = jiffies + (ha->nx_reset_timeout * HZ); 3348 3349 drv_state = qla4_82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3350 drv_active = qla4_82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3351 3352 ql4_printk(KERN_INFO, ha, 3353 "%s(%ld): drv_state = 0x%x, drv_active = 0x%x\n", 3354 __func__, ha->host_no, drv_state, drv_active); 3355 3356 while (drv_state != (drv_active & active_mask)) { 3357 if (time_after_eq(jiffies, reset_timeout)) { 3358 ql4_printk(KERN_INFO, ha, 3359 "%s: RESET TIMEOUT! drv_state: 0x%08x, drv_active: 0x%08x\n", 3360 DRIVER_NAME, drv_state, drv_active); 3361 break; 3362 } 3363 3364 /* 3365 * When reset_owner times out, check which functions 3366 * acked/did not ack 3367 */ 3368 if (test_bit(AF_8XXX_RST_OWNER, &ha->flags)) { 3369 ql4_printk(KERN_INFO, ha, 3370 "%s(%ld): drv_state = 0x%x, drv_active = 0x%x\n", 3371 __func__, ha->host_no, drv_state, 3372 drv_active); 3373 } 3374 qla4_82xx_idc_unlock(ha); 3375 msleep(1000); 3376 qla4_82xx_idc_lock(ha); 3377 3378 drv_state = qla4_82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3379 drv_active = qla4_82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3380 } 3381 3382 /* Clear RESET OWNER as we are not going to use it any further */ 3383 clear_bit(AF_8XXX_RST_OWNER, &ha->flags); 3384 3385 dev_state = qla4_82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3386 ql4_printk(KERN_INFO, ha, "Device state is 0x%x = %s\n", dev_state, 3387 dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown"); 3388 3389 /* Force to DEV_COLD unless someone else is starting a reset */ 3390 if (dev_state != QLA8XXX_DEV_INITIALIZING) { 3391 ql4_printk(KERN_INFO, ha, "HW State: COLD/RE-INIT\n"); 3392 qla4_82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_COLD); 3393 qla4_8xxx_set_rst_ready(ha); 3394 } 3395 } 3396 3397 /** 3398 * qla4_8xxx_need_qsnt_handler - Code to start qsnt 3399 * @ha: pointer to adapter structure 3400 **/ 3401 void 3402 qla4_8xxx_need_qsnt_handler(struct scsi_qla_host *ha) 3403 { 3404 ha->isp_ops->idc_lock(ha); 3405 qla4_8xxx_set_qsnt_ready(ha); 3406 ha->isp_ops->idc_unlock(ha); 3407 } 3408 3409 static void qla4_82xx_set_idc_ver(struct scsi_qla_host *ha) 3410 { 3411 int idc_ver; 3412 uint32_t drv_active; 3413 3414 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE); 3415 if (drv_active == (1 << (ha->func_num * 4))) { 3416 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION, 3417 QLA82XX_IDC_VERSION); 3418 ql4_printk(KERN_INFO, ha, 3419 "%s: IDC version updated to %d\n", __func__, 3420 QLA82XX_IDC_VERSION); 3421 } else { 3422 idc_ver = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION); 3423 if (QLA82XX_IDC_VERSION != idc_ver) { 3424 ql4_printk(KERN_INFO, ha, 3425 "%s: qla4xxx driver IDC version %d is not compatible with IDC version %d of other drivers!\n", 3426 __func__, QLA82XX_IDC_VERSION, idc_ver); 3427 } 3428 } 3429 } 3430 3431 static int qla4_83xx_set_idc_ver(struct scsi_qla_host *ha) 3432 { 3433 int idc_ver; 3434 uint32_t drv_active; 3435 int rval = QLA_SUCCESS; 3436 3437 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE); 3438 if (drv_active == (1 << ha->func_num)) { 3439 idc_ver = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION); 3440 idc_ver &= (~0xFF); 3441 idc_ver |= QLA83XX_IDC_VER_MAJ_VALUE; 3442 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION, idc_ver); 3443 ql4_printk(KERN_INFO, ha, 3444 "%s: IDC version updated to %d\n", __func__, 3445 idc_ver); 3446 } else { 3447 idc_ver = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_IDC_VERSION); 3448 idc_ver &= 0xFF; 3449 if (QLA83XX_IDC_VER_MAJ_VALUE != idc_ver) { 3450 ql4_printk(KERN_INFO, ha, 3451 "%s: qla4xxx driver IDC version %d is not compatible with IDC version %d of other drivers!\n", 3452 __func__, QLA83XX_IDC_VER_MAJ_VALUE, 3453 idc_ver); 3454 rval = QLA_ERROR; 3455 goto exit_set_idc_ver; 3456 } 3457 } 3458 3459 /* Update IDC_MINOR_VERSION */ 3460 idc_ver = qla4_83xx_rd_reg(ha, QLA83XX_CRB_IDC_VER_MINOR); 3461 idc_ver &= ~(0x03 << (ha->func_num * 2)); 3462 idc_ver |= (QLA83XX_IDC_VER_MIN_VALUE << (ha->func_num * 2)); 3463 qla4_83xx_wr_reg(ha, QLA83XX_CRB_IDC_VER_MINOR, idc_ver); 3464 3465 exit_set_idc_ver: 3466 return rval; 3467 } 3468 3469 int qla4_8xxx_update_idc_reg(struct scsi_qla_host *ha) 3470 { 3471 uint32_t drv_active; 3472 int rval = QLA_SUCCESS; 3473 3474 if (test_bit(AF_INIT_DONE, &ha->flags)) 3475 goto exit_update_idc_reg; 3476 3477 ha->isp_ops->idc_lock(ha); 3478 qla4_8xxx_set_drv_active(ha); 3479 3480 /* 3481 * If we are the first driver to load and 3482 * ql4xdontresethba is not set, clear IDC_CTRL BIT0. 3483 */ 3484 if (is_qla8032(ha) || is_qla8042(ha)) { 3485 drv_active = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DRV_ACTIVE); 3486 if ((drv_active == (1 << ha->func_num)) && !ql4xdontresethba) 3487 qla4_83xx_clear_idc_dontreset(ha); 3488 } 3489 3490 if (is_qla8022(ha)) { 3491 qla4_82xx_set_idc_ver(ha); 3492 } else if (is_qla8032(ha) || is_qla8042(ha)) { 3493 rval = qla4_83xx_set_idc_ver(ha); 3494 if (rval == QLA_ERROR) 3495 qla4_8xxx_clear_drv_active(ha); 3496 } 3497 3498 ha->isp_ops->idc_unlock(ha); 3499 3500 exit_update_idc_reg: 3501 return rval; 3502 } 3503 3504 /** 3505 * qla4_8xxx_device_state_handler - Adapter state machine 3506 * @ha: pointer to host adapter structure. 3507 * 3508 * Note: IDC lock must be UNLOCKED upon entry 3509 **/ 3510 int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha) 3511 { 3512 uint32_t dev_state; 3513 int rval = QLA_SUCCESS; 3514 unsigned long dev_init_timeout; 3515 3516 rval = qla4_8xxx_update_idc_reg(ha); 3517 if (rval == QLA_ERROR) 3518 goto exit_state_handler; 3519 3520 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 3521 DEBUG2(ql4_printk(KERN_INFO, ha, "Device state is 0x%x = %s\n", 3522 dev_state, dev_state < MAX_STATES ? 3523 qdev_state[dev_state] : "Unknown")); 3524 3525 /* wait for 30 seconds for device to go ready */ 3526 dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ); 3527 3528 ha->isp_ops->idc_lock(ha); 3529 while (1) { 3530 3531 if (time_after_eq(jiffies, dev_init_timeout)) { 3532 ql4_printk(KERN_WARNING, ha, 3533 "%s: Device Init Failed 0x%x = %s\n", 3534 DRIVER_NAME, 3535 dev_state, dev_state < MAX_STATES ? 3536 qdev_state[dev_state] : "Unknown"); 3537 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 3538 QLA8XXX_DEV_FAILED); 3539 } 3540 3541 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 3542 ql4_printk(KERN_INFO, ha, "Device state is 0x%x = %s\n", 3543 dev_state, dev_state < MAX_STATES ? 3544 qdev_state[dev_state] : "Unknown"); 3545 3546 /* NOTE: Make sure idc unlocked upon exit of switch statement */ 3547 switch (dev_state) { 3548 case QLA8XXX_DEV_READY: 3549 goto exit; 3550 case QLA8XXX_DEV_COLD: 3551 rval = qla4_8xxx_device_bootstrap(ha); 3552 goto exit; 3553 case QLA8XXX_DEV_INITIALIZING: 3554 ha->isp_ops->idc_unlock(ha); 3555 msleep(1000); 3556 ha->isp_ops->idc_lock(ha); 3557 break; 3558 case QLA8XXX_DEV_NEED_RESET: 3559 /* 3560 * For ISP8324 and ISP8042, if NEED_RESET is set by any 3561 * driver, it should be honored, irrespective of 3562 * IDC_CTRL DONTRESET_BIT0 3563 */ 3564 if (is_qla8032(ha) || is_qla8042(ha)) { 3565 qla4_83xx_need_reset_handler(ha); 3566 } else if (is_qla8022(ha)) { 3567 if (!ql4xdontresethba) { 3568 qla4_82xx_need_reset_handler(ha); 3569 /* Update timeout value after need 3570 * reset handler */ 3571 dev_init_timeout = jiffies + 3572 (ha->nx_dev_init_timeout * HZ); 3573 } else { 3574 ha->isp_ops->idc_unlock(ha); 3575 msleep(1000); 3576 ha->isp_ops->idc_lock(ha); 3577 } 3578 } 3579 break; 3580 case QLA8XXX_DEV_NEED_QUIESCENT: 3581 /* idc locked/unlocked in handler */ 3582 qla4_8xxx_need_qsnt_handler(ha); 3583 break; 3584 case QLA8XXX_DEV_QUIESCENT: 3585 ha->isp_ops->idc_unlock(ha); 3586 msleep(1000); 3587 ha->isp_ops->idc_lock(ha); 3588 break; 3589 case QLA8XXX_DEV_FAILED: 3590 ha->isp_ops->idc_unlock(ha); 3591 qla4xxx_dead_adapter_cleanup(ha); 3592 rval = QLA_ERROR; 3593 ha->isp_ops->idc_lock(ha); 3594 goto exit; 3595 default: 3596 ha->isp_ops->idc_unlock(ha); 3597 qla4xxx_dead_adapter_cleanup(ha); 3598 rval = QLA_ERROR; 3599 ha->isp_ops->idc_lock(ha); 3600 goto exit; 3601 } 3602 } 3603 exit: 3604 ha->isp_ops->idc_unlock(ha); 3605 exit_state_handler: 3606 return rval; 3607 } 3608 3609 int qla4_8xxx_load_risc(struct scsi_qla_host *ha) 3610 { 3611 int retval; 3612 3613 /* clear the interrupt */ 3614 if (is_qla8032(ha) || is_qla8042(ha)) { 3615 writel(0, &ha->qla4_83xx_reg->risc_intr); 3616 readl(&ha->qla4_83xx_reg->risc_intr); 3617 } else if (is_qla8022(ha)) { 3618 writel(0, &ha->qla4_82xx_reg->host_int); 3619 readl(&ha->qla4_82xx_reg->host_int); 3620 } 3621 3622 retval = qla4_8xxx_device_state_handler(ha); 3623 3624 /* Initialize request and response queues. */ 3625 if (retval == QLA_SUCCESS) 3626 qla4xxx_init_rings(ha); 3627 3628 if (retval == QLA_SUCCESS && !test_bit(AF_IRQ_ATTACHED, &ha->flags)) 3629 retval = qla4xxx_request_irqs(ha); 3630 3631 return retval; 3632 } 3633 3634 /*****************************************************************************/ 3635 /* Flash Manipulation Routines */ 3636 /*****************************************************************************/ 3637 3638 #define OPTROM_BURST_SIZE 0x1000 3639 #define OPTROM_BURST_DWORDS (OPTROM_BURST_SIZE / 4) 3640 3641 #define FARX_DATA_FLAG BIT_31 3642 #define FARX_ACCESS_FLASH_CONF 0x7FFD0000 3643 #define FARX_ACCESS_FLASH_DATA 0x7FF00000 3644 3645 static inline uint32_t 3646 flash_conf_addr(struct ql82xx_hw_data *hw, uint32_t faddr) 3647 { 3648 return hw->flash_conf_off | faddr; 3649 } 3650 3651 static inline uint32_t 3652 flash_data_addr(struct ql82xx_hw_data *hw, uint32_t faddr) 3653 { 3654 return hw->flash_data_off | faddr; 3655 } 3656 3657 static uint32_t * 3658 qla4_82xx_read_flash_data(struct scsi_qla_host *ha, uint32_t *dwptr, 3659 uint32_t faddr, uint32_t length) 3660 { 3661 uint32_t i; 3662 uint32_t val; 3663 int loops = 0; 3664 while ((qla4_82xx_rom_lock(ha) != 0) && (loops < 50000)) { 3665 udelay(100); 3666 cond_resched(); 3667 loops++; 3668 } 3669 if (loops >= 50000) { 3670 ql4_printk(KERN_WARNING, ha, "ROM lock failed\n"); 3671 return dwptr; 3672 } 3673 3674 /* Dword reads to flash. */ 3675 for (i = 0; i < length/4; i++, faddr += 4) { 3676 if (qla4_82xx_do_rom_fast_read(ha, faddr, &val)) { 3677 ql4_printk(KERN_WARNING, ha, 3678 "Do ROM fast read failed\n"); 3679 goto done_read; 3680 } 3681 dwptr[i] = __constant_cpu_to_le32(val); 3682 } 3683 3684 done_read: 3685 qla4_82xx_rom_unlock(ha); 3686 return dwptr; 3687 } 3688 3689 /** 3690 * Address and length are byte address 3691 **/ 3692 static uint8_t * 3693 qla4_82xx_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf, 3694 uint32_t offset, uint32_t length) 3695 { 3696 qla4_82xx_read_flash_data(ha, (uint32_t *)buf, offset, length); 3697 return buf; 3698 } 3699 3700 static int 3701 qla4_8xxx_find_flt_start(struct scsi_qla_host *ha, uint32_t *start) 3702 { 3703 const char *loc, *locations[] = { "DEF", "PCI" }; 3704 3705 /* 3706 * FLT-location structure resides after the last PCI region. 3707 */ 3708 3709 /* Begin with sane defaults. */ 3710 loc = locations[0]; 3711 *start = FA_FLASH_LAYOUT_ADDR_82; 3712 3713 DEBUG2(ql4_printk(KERN_INFO, ha, "FLTL[%s] = 0x%x.\n", loc, *start)); 3714 return QLA_SUCCESS; 3715 } 3716 3717 static void 3718 qla4_8xxx_get_flt_info(struct scsi_qla_host *ha, uint32_t flt_addr) 3719 { 3720 const char *loc, *locations[] = { "DEF", "FLT" }; 3721 uint16_t *wptr; 3722 uint16_t cnt, chksum; 3723 uint32_t start, status; 3724 struct qla_flt_header *flt; 3725 struct qla_flt_region *region; 3726 struct ql82xx_hw_data *hw = &ha->hw; 3727 3728 hw->flt_region_flt = flt_addr; 3729 wptr = (uint16_t *)ha->request_ring; 3730 flt = (struct qla_flt_header *)ha->request_ring; 3731 region = (struct qla_flt_region *)&flt[1]; 3732 3733 if (is_qla8022(ha)) { 3734 qla4_82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring, 3735 flt_addr << 2, OPTROM_BURST_SIZE); 3736 } else if (is_qla8032(ha) || is_qla8042(ha)) { 3737 status = qla4_83xx_flash_read_u32(ha, flt_addr << 2, 3738 (uint8_t *)ha->request_ring, 3739 0x400); 3740 if (status != QLA_SUCCESS) 3741 goto no_flash_data; 3742 } 3743 3744 if (*wptr == __constant_cpu_to_le16(0xffff)) 3745 goto no_flash_data; 3746 if (flt->version != __constant_cpu_to_le16(1)) { 3747 DEBUG2(ql4_printk(KERN_INFO, ha, "Unsupported FLT detected: " 3748 "version=0x%x length=0x%x checksum=0x%x.\n", 3749 le16_to_cpu(flt->version), le16_to_cpu(flt->length), 3750 le16_to_cpu(flt->checksum))); 3751 goto no_flash_data; 3752 } 3753 3754 cnt = (sizeof(struct qla_flt_header) + le16_to_cpu(flt->length)) >> 1; 3755 for (chksum = 0; cnt; cnt--) 3756 chksum += le16_to_cpu(*wptr++); 3757 if (chksum) { 3758 DEBUG2(ql4_printk(KERN_INFO, ha, "Inconsistent FLT detected: " 3759 "version=0x%x length=0x%x checksum=0x%x.\n", 3760 le16_to_cpu(flt->version), le16_to_cpu(flt->length), 3761 chksum)); 3762 goto no_flash_data; 3763 } 3764 3765 loc = locations[1]; 3766 cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region); 3767 for ( ; cnt; cnt--, region++) { 3768 /* Store addresses as DWORD offsets. */ 3769 start = le32_to_cpu(region->start) >> 2; 3770 3771 DEBUG3(ql4_printk(KERN_DEBUG, ha, "FLT[%02x]: start=0x%x " 3772 "end=0x%x size=0x%x.\n", le32_to_cpu(region->code), start, 3773 le32_to_cpu(region->end) >> 2, le32_to_cpu(region->size))); 3774 3775 switch (le32_to_cpu(region->code) & 0xff) { 3776 case FLT_REG_FDT: 3777 hw->flt_region_fdt = start; 3778 break; 3779 case FLT_REG_BOOT_CODE_82: 3780 hw->flt_region_boot = start; 3781 break; 3782 case FLT_REG_FW_82: 3783 case FLT_REG_FW_82_1: 3784 hw->flt_region_fw = start; 3785 break; 3786 case FLT_REG_BOOTLOAD_82: 3787 hw->flt_region_bootload = start; 3788 break; 3789 case FLT_REG_ISCSI_PARAM: 3790 hw->flt_iscsi_param = start; 3791 break; 3792 case FLT_REG_ISCSI_CHAP: 3793 hw->flt_region_chap = start; 3794 hw->flt_chap_size = le32_to_cpu(region->size); 3795 break; 3796 case FLT_REG_ISCSI_DDB: 3797 hw->flt_region_ddb = start; 3798 hw->flt_ddb_size = le32_to_cpu(region->size); 3799 break; 3800 } 3801 } 3802 goto done; 3803 3804 no_flash_data: 3805 /* Use hardcoded defaults. */ 3806 loc = locations[0]; 3807 3808 hw->flt_region_fdt = FA_FLASH_DESCR_ADDR_82; 3809 hw->flt_region_boot = FA_BOOT_CODE_ADDR_82; 3810 hw->flt_region_bootload = FA_BOOT_LOAD_ADDR_82; 3811 hw->flt_region_fw = FA_RISC_CODE_ADDR_82; 3812 hw->flt_region_chap = FA_FLASH_ISCSI_CHAP >> 2; 3813 hw->flt_chap_size = FA_FLASH_CHAP_SIZE; 3814 hw->flt_region_ddb = FA_FLASH_ISCSI_DDB >> 2; 3815 hw->flt_ddb_size = FA_FLASH_DDB_SIZE; 3816 3817 done: 3818 DEBUG2(ql4_printk(KERN_INFO, ha, 3819 "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", 3820 loc, hw->flt_region_flt, hw->flt_region_fdt, 3821 hw->flt_region_boot, hw->flt_region_bootload, 3822 hw->flt_region_fw, hw->flt_region_chap, 3823 hw->flt_chap_size, hw->flt_region_ddb, 3824 hw->flt_ddb_size)); 3825 } 3826 3827 static void 3828 qla4_82xx_get_fdt_info(struct scsi_qla_host *ha) 3829 { 3830 #define FLASH_BLK_SIZE_4K 0x1000 3831 #define FLASH_BLK_SIZE_32K 0x8000 3832 #define FLASH_BLK_SIZE_64K 0x10000 3833 const char *loc, *locations[] = { "MID", "FDT" }; 3834 uint16_t cnt, chksum; 3835 uint16_t *wptr; 3836 struct qla_fdt_layout *fdt; 3837 uint16_t mid = 0; 3838 uint16_t fid = 0; 3839 struct ql82xx_hw_data *hw = &ha->hw; 3840 3841 hw->flash_conf_off = FARX_ACCESS_FLASH_CONF; 3842 hw->flash_data_off = FARX_ACCESS_FLASH_DATA; 3843 3844 wptr = (uint16_t *)ha->request_ring; 3845 fdt = (struct qla_fdt_layout *)ha->request_ring; 3846 qla4_82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring, 3847 hw->flt_region_fdt << 2, OPTROM_BURST_SIZE); 3848 3849 if (*wptr == __constant_cpu_to_le16(0xffff)) 3850 goto no_flash_data; 3851 3852 if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' || 3853 fdt->sig[3] != 'D') 3854 goto no_flash_data; 3855 3856 for (cnt = 0, chksum = 0; cnt < sizeof(struct qla_fdt_layout) >> 1; 3857 cnt++) 3858 chksum += le16_to_cpu(*wptr++); 3859 3860 if (chksum) { 3861 DEBUG2(ql4_printk(KERN_INFO, ha, "Inconsistent FDT detected: " 3862 "checksum=0x%x id=%c version=0x%x.\n", chksum, fdt->sig[0], 3863 le16_to_cpu(fdt->version))); 3864 goto no_flash_data; 3865 } 3866 3867 loc = locations[1]; 3868 mid = le16_to_cpu(fdt->man_id); 3869 fid = le16_to_cpu(fdt->id); 3870 hw->fdt_wrt_disable = fdt->wrt_disable_bits; 3871 hw->fdt_erase_cmd = flash_conf_addr(hw, 0x0300 | fdt->erase_cmd); 3872 hw->fdt_block_size = le32_to_cpu(fdt->block_size); 3873 3874 if (fdt->unprotect_sec_cmd) { 3875 hw->fdt_unprotect_sec_cmd = flash_conf_addr(hw, 0x0300 | 3876 fdt->unprotect_sec_cmd); 3877 hw->fdt_protect_sec_cmd = fdt->protect_sec_cmd ? 3878 flash_conf_addr(hw, 0x0300 | fdt->protect_sec_cmd) : 3879 flash_conf_addr(hw, 0x0336); 3880 } 3881 goto done; 3882 3883 no_flash_data: 3884 loc = locations[0]; 3885 hw->fdt_block_size = FLASH_BLK_SIZE_64K; 3886 done: 3887 DEBUG2(ql4_printk(KERN_INFO, ha, "FDT[%s]: (0x%x/0x%x) erase=0x%x " 3888 "pro=%x upro=%x wrtd=0x%x blk=0x%x.\n", loc, mid, fid, 3889 hw->fdt_erase_cmd, hw->fdt_protect_sec_cmd, 3890 hw->fdt_unprotect_sec_cmd, hw->fdt_wrt_disable, 3891 hw->fdt_block_size)); 3892 } 3893 3894 static void 3895 qla4_82xx_get_idc_param(struct scsi_qla_host *ha) 3896 { 3897 #define QLA82XX_IDC_PARAM_ADDR 0x003e885c 3898 uint32_t *wptr; 3899 3900 if (!is_qla8022(ha)) 3901 return; 3902 wptr = (uint32_t *)ha->request_ring; 3903 qla4_82xx_read_optrom_data(ha, (uint8_t *)ha->request_ring, 3904 QLA82XX_IDC_PARAM_ADDR , 8); 3905 3906 if (*wptr == __constant_cpu_to_le32(0xffffffff)) { 3907 ha->nx_dev_init_timeout = ROM_DEV_INIT_TIMEOUT; 3908 ha->nx_reset_timeout = ROM_DRV_RESET_ACK_TIMEOUT; 3909 } else { 3910 ha->nx_dev_init_timeout = le32_to_cpu(*wptr++); 3911 ha->nx_reset_timeout = le32_to_cpu(*wptr); 3912 } 3913 3914 DEBUG2(ql4_printk(KERN_DEBUG, ha, 3915 "ha->nx_dev_init_timeout = %d\n", ha->nx_dev_init_timeout)); 3916 DEBUG2(ql4_printk(KERN_DEBUG, ha, 3917 "ha->nx_reset_timeout = %d\n", ha->nx_reset_timeout)); 3918 return; 3919 } 3920 3921 void qla4_82xx_queue_mbox_cmd(struct scsi_qla_host *ha, uint32_t *mbx_cmd, 3922 int in_count) 3923 { 3924 int i; 3925 3926 /* Load all mailbox registers, except mailbox 0. */ 3927 for (i = 1; i < in_count; i++) 3928 writel(mbx_cmd[i], &ha->qla4_82xx_reg->mailbox_in[i]); 3929 3930 /* Wakeup firmware */ 3931 writel(mbx_cmd[0], &ha->qla4_82xx_reg->mailbox_in[0]); 3932 readl(&ha->qla4_82xx_reg->mailbox_in[0]); 3933 writel(HINT_MBX_INT_PENDING, &ha->qla4_82xx_reg->hint); 3934 readl(&ha->qla4_82xx_reg->hint); 3935 } 3936 3937 void qla4_82xx_process_mbox_intr(struct scsi_qla_host *ha, int out_count) 3938 { 3939 int intr_status; 3940 3941 intr_status = readl(&ha->qla4_82xx_reg->host_int); 3942 if (intr_status & ISRX_82XX_RISC_INT) { 3943 ha->mbox_status_count = out_count; 3944 intr_status = readl(&ha->qla4_82xx_reg->host_status); 3945 ha->isp_ops->interrupt_service_routine(ha, intr_status); 3946 3947 if (test_bit(AF_INTERRUPTS_ON, &ha->flags) && 3948 test_bit(AF_INTx_ENABLED, &ha->flags)) 3949 qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 3950 0xfbff); 3951 } 3952 } 3953 3954 int 3955 qla4_8xxx_get_flash_info(struct scsi_qla_host *ha) 3956 { 3957 int ret; 3958 uint32_t flt_addr; 3959 3960 ret = qla4_8xxx_find_flt_start(ha, &flt_addr); 3961 if (ret != QLA_SUCCESS) 3962 return ret; 3963 3964 qla4_8xxx_get_flt_info(ha, flt_addr); 3965 if (is_qla8022(ha)) { 3966 qla4_82xx_get_fdt_info(ha); 3967 qla4_82xx_get_idc_param(ha); 3968 } else if (is_qla8032(ha) || is_qla8042(ha)) { 3969 qla4_83xx_get_idc_param(ha); 3970 } 3971 3972 return QLA_SUCCESS; 3973 } 3974 3975 /** 3976 * qla4_8xxx_stop_firmware - stops firmware on specified adapter instance 3977 * @ha: pointer to host adapter structure. 3978 * 3979 * Remarks: 3980 * For iSCSI, throws away all I/O and AENs into bit bucket, so they will 3981 * not be available after successful return. Driver must cleanup potential 3982 * outstanding I/O's after calling this funcion. 3983 **/ 3984 int 3985 qla4_8xxx_stop_firmware(struct scsi_qla_host *ha) 3986 { 3987 int status; 3988 uint32_t mbox_cmd[MBOX_REG_COUNT]; 3989 uint32_t mbox_sts[MBOX_REG_COUNT]; 3990 3991 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 3992 memset(&mbox_sts, 0, sizeof(mbox_sts)); 3993 3994 mbox_cmd[0] = MBOX_CMD_STOP_FW; 3995 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, 3996 &mbox_cmd[0], &mbox_sts[0]); 3997 3998 DEBUG2(printk("scsi%ld: %s: status = %d\n", ha->host_no, 3999 __func__, status)); 4000 return status; 4001 } 4002 4003 /** 4004 * qla4_82xx_isp_reset - Resets ISP and aborts all outstanding commands. 4005 * @ha: pointer to host adapter structure. 4006 **/ 4007 int 4008 qla4_82xx_isp_reset(struct scsi_qla_host *ha) 4009 { 4010 int rval; 4011 uint32_t dev_state; 4012 4013 qla4_82xx_idc_lock(ha); 4014 dev_state = qla4_82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 4015 4016 if (dev_state == QLA8XXX_DEV_READY) { 4017 ql4_printk(KERN_INFO, ha, "HW State: NEED RESET\n"); 4018 qla4_82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, 4019 QLA8XXX_DEV_NEED_RESET); 4020 set_bit(AF_8XXX_RST_OWNER, &ha->flags); 4021 } else 4022 ql4_printk(KERN_INFO, ha, "HW State: DEVICE INITIALIZING\n"); 4023 4024 qla4_82xx_idc_unlock(ha); 4025 4026 rval = qla4_8xxx_device_state_handler(ha); 4027 4028 qla4_82xx_idc_lock(ha); 4029 qla4_8xxx_clear_rst_ready(ha); 4030 qla4_82xx_idc_unlock(ha); 4031 4032 if (rval == QLA_SUCCESS) { 4033 ql4_printk(KERN_INFO, ha, "Clearing AF_RECOVERY in qla4_82xx_isp_reset\n"); 4034 clear_bit(AF_FW_RECOVERY, &ha->flags); 4035 } 4036 4037 return rval; 4038 } 4039 4040 /** 4041 * qla4_8xxx_get_sys_info - get adapter MAC address(es) and serial number 4042 * @ha: pointer to host adapter structure. 4043 * 4044 **/ 4045 int qla4_8xxx_get_sys_info(struct scsi_qla_host *ha) 4046 { 4047 uint32_t mbox_cmd[MBOX_REG_COUNT]; 4048 uint32_t mbox_sts[MBOX_REG_COUNT]; 4049 struct mbx_sys_info *sys_info; 4050 dma_addr_t sys_info_dma; 4051 int status = QLA_ERROR; 4052 4053 sys_info = dma_alloc_coherent(&ha->pdev->dev, sizeof(*sys_info), 4054 &sys_info_dma, GFP_KERNEL); 4055 if (sys_info == NULL) { 4056 DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", 4057 ha->host_no, __func__)); 4058 return status; 4059 } 4060 4061 memset(sys_info, 0, sizeof(*sys_info)); 4062 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 4063 memset(&mbox_sts, 0, sizeof(mbox_sts)); 4064 4065 mbox_cmd[0] = MBOX_CMD_GET_SYS_INFO; 4066 mbox_cmd[1] = LSDW(sys_info_dma); 4067 mbox_cmd[2] = MSDW(sys_info_dma); 4068 mbox_cmd[4] = sizeof(*sys_info); 4069 4070 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 6, &mbox_cmd[0], 4071 &mbox_sts[0]) != QLA_SUCCESS) { 4072 DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO failed\n", 4073 ha->host_no, __func__)); 4074 goto exit_validate_mac82; 4075 } 4076 4077 /* Make sure we receive the minimum required data to cache internally */ 4078 if (((is_qla8032(ha) || is_qla8042(ha)) ? mbox_sts[3] : mbox_sts[4]) < 4079 offsetof(struct mbx_sys_info, reserved)) { 4080 DEBUG2(printk("scsi%ld: %s: GET_SYS_INFO data receive" 4081 " error (%x)\n", ha->host_no, __func__, mbox_sts[4])); 4082 goto exit_validate_mac82; 4083 } 4084 4085 /* Save M.A.C. address & serial_number */ 4086 ha->port_num = sys_info->port_num; 4087 memcpy(ha->my_mac, &sys_info->mac_addr[0], 4088 min(sizeof(ha->my_mac), sizeof(sys_info->mac_addr))); 4089 memcpy(ha->serial_number, &sys_info->serial_number, 4090 min(sizeof(ha->serial_number), sizeof(sys_info->serial_number))); 4091 memcpy(ha->model_name, &sys_info->board_id_str, 4092 min(sizeof(ha->model_name), sizeof(sys_info->board_id_str))); 4093 ha->phy_port_cnt = sys_info->phys_port_cnt; 4094 ha->phy_port_num = sys_info->port_num; 4095 ha->iscsi_pci_func_cnt = sys_info->iscsi_pci_func_cnt; 4096 4097 DEBUG2(printk("scsi%ld: %s: " 4098 "mac %02x:%02x:%02x:%02x:%02x:%02x " 4099 "serial %s\n", ha->host_no, __func__, 4100 ha->my_mac[0], ha->my_mac[1], ha->my_mac[2], 4101 ha->my_mac[3], ha->my_mac[4], ha->my_mac[5], 4102 ha->serial_number)); 4103 4104 status = QLA_SUCCESS; 4105 4106 exit_validate_mac82: 4107 dma_free_coherent(&ha->pdev->dev, sizeof(*sys_info), sys_info, 4108 sys_info_dma); 4109 return status; 4110 } 4111 4112 /* Interrupt handling helpers. */ 4113 4114 int qla4_8xxx_intr_enable(struct scsi_qla_host *ha) 4115 { 4116 uint32_t mbox_cmd[MBOX_REG_COUNT]; 4117 uint32_t mbox_sts[MBOX_REG_COUNT]; 4118 4119 DEBUG2(ql4_printk(KERN_INFO, ha, "%s\n", __func__)); 4120 4121 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 4122 memset(&mbox_sts, 0, sizeof(mbox_sts)); 4123 mbox_cmd[0] = MBOX_CMD_ENABLE_INTRS; 4124 mbox_cmd[1] = INTR_ENABLE; 4125 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], 4126 &mbox_sts[0]) != QLA_SUCCESS) { 4127 DEBUG2(ql4_printk(KERN_INFO, ha, 4128 "%s: MBOX_CMD_ENABLE_INTRS failed (0x%04x)\n", 4129 __func__, mbox_sts[0])); 4130 return QLA_ERROR; 4131 } 4132 return QLA_SUCCESS; 4133 } 4134 4135 int qla4_8xxx_intr_disable(struct scsi_qla_host *ha) 4136 { 4137 uint32_t mbox_cmd[MBOX_REG_COUNT]; 4138 uint32_t mbox_sts[MBOX_REG_COUNT]; 4139 4140 DEBUG2(ql4_printk(KERN_INFO, ha, "%s\n", __func__)); 4141 4142 memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 4143 memset(&mbox_sts, 0, sizeof(mbox_sts)); 4144 mbox_cmd[0] = MBOX_CMD_ENABLE_INTRS; 4145 mbox_cmd[1] = INTR_DISABLE; 4146 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], 4147 &mbox_sts[0]) != QLA_SUCCESS) { 4148 DEBUG2(ql4_printk(KERN_INFO, ha, 4149 "%s: MBOX_CMD_ENABLE_INTRS failed (0x%04x)\n", 4150 __func__, mbox_sts[0])); 4151 return QLA_ERROR; 4152 } 4153 4154 return QLA_SUCCESS; 4155 } 4156 4157 void 4158 qla4_82xx_enable_intrs(struct scsi_qla_host *ha) 4159 { 4160 qla4_8xxx_intr_enable(ha); 4161 4162 spin_lock_irq(&ha->hardware_lock); 4163 /* BIT 10 - reset */ 4164 qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff); 4165 spin_unlock_irq(&ha->hardware_lock); 4166 set_bit(AF_INTERRUPTS_ON, &ha->flags); 4167 } 4168 4169 void 4170 qla4_82xx_disable_intrs(struct scsi_qla_host *ha) 4171 { 4172 if (test_and_clear_bit(AF_INTERRUPTS_ON, &ha->flags)) 4173 qla4_8xxx_intr_disable(ha); 4174 4175 spin_lock_irq(&ha->hardware_lock); 4176 /* BIT 10 - set */ 4177 qla4_82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400); 4178 spin_unlock_irq(&ha->hardware_lock); 4179 } 4180 4181 struct ql4_init_msix_entry { 4182 uint16_t entry; 4183 uint16_t index; 4184 const char *name; 4185 irq_handler_t handler; 4186 }; 4187 4188 static struct ql4_init_msix_entry qla4_8xxx_msix_entries[QLA_MSIX_ENTRIES] = { 4189 { QLA_MSIX_DEFAULT, QLA_MIDX_DEFAULT, 4190 "qla4xxx (default)", 4191 (irq_handler_t)qla4_8xxx_default_intr_handler }, 4192 { QLA_MSIX_RSP_Q, QLA_MIDX_RSP_Q, 4193 "qla4xxx (rsp_q)", (irq_handler_t)qla4_8xxx_msix_rsp_q }, 4194 }; 4195 4196 void 4197 qla4_8xxx_disable_msix(struct scsi_qla_host *ha) 4198 { 4199 int i; 4200 struct ql4_msix_entry *qentry; 4201 4202 for (i = 0; i < QLA_MSIX_ENTRIES; i++) { 4203 qentry = &ha->msix_entries[qla4_8xxx_msix_entries[i].index]; 4204 if (qentry->have_irq) { 4205 free_irq(qentry->msix_vector, ha); 4206 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %s\n", 4207 __func__, qla4_8xxx_msix_entries[i].name)); 4208 } 4209 } 4210 pci_disable_msix(ha->pdev); 4211 clear_bit(AF_MSIX_ENABLED, &ha->flags); 4212 } 4213 4214 int 4215 qla4_8xxx_enable_msix(struct scsi_qla_host *ha) 4216 { 4217 int i, ret; 4218 struct msix_entry entries[QLA_MSIX_ENTRIES]; 4219 struct ql4_msix_entry *qentry; 4220 4221 for (i = 0; i < QLA_MSIX_ENTRIES; i++) 4222 entries[i].entry = qla4_8xxx_msix_entries[i].entry; 4223 4224 ret = pci_enable_msix_exact(ha->pdev, entries, ARRAY_SIZE(entries)); 4225 if (ret) { 4226 ql4_printk(KERN_WARNING, ha, 4227 "MSI-X: Failed to enable support -- %d/%d\n", 4228 QLA_MSIX_ENTRIES, ret); 4229 goto msix_out; 4230 } 4231 set_bit(AF_MSIX_ENABLED, &ha->flags); 4232 4233 for (i = 0; i < QLA_MSIX_ENTRIES; i++) { 4234 qentry = &ha->msix_entries[qla4_8xxx_msix_entries[i].index]; 4235 qentry->msix_vector = entries[i].vector; 4236 qentry->msix_entry = entries[i].entry; 4237 qentry->have_irq = 0; 4238 ret = request_irq(qentry->msix_vector, 4239 qla4_8xxx_msix_entries[i].handler, 0, 4240 qla4_8xxx_msix_entries[i].name, ha); 4241 if (ret) { 4242 ql4_printk(KERN_WARNING, ha, 4243 "MSI-X: Unable to register handler -- %x/%d.\n", 4244 qla4_8xxx_msix_entries[i].index, ret); 4245 qla4_8xxx_disable_msix(ha); 4246 goto msix_out; 4247 } 4248 qentry->have_irq = 1; 4249 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %s\n", 4250 __func__, qla4_8xxx_msix_entries[i].name)); 4251 } 4252 msix_out: 4253 return ret; 4254 } 4255 4256 int qla4_8xxx_check_init_adapter_retry(struct scsi_qla_host *ha) 4257 { 4258 int status = QLA_SUCCESS; 4259 4260 /* Dont retry adapter initialization if IRQ allocation failed */ 4261 if (!test_bit(AF_IRQ_ATTACHED, &ha->flags)) { 4262 ql4_printk(KERN_WARNING, ha, "%s: Skipping retry of adapter initialization as IRQs are not attached\n", 4263 __func__); 4264 status = QLA_ERROR; 4265 goto exit_init_adapter_failure; 4266 } 4267 4268 /* Since interrupts are registered in start_firmware for 4269 * 8xxx, release them here if initialize_adapter fails 4270 * and retry adapter initialization */ 4271 qla4xxx_free_irqs(ha); 4272 4273 exit_init_adapter_failure: 4274 return status; 4275 } 4276