1 #ifndef __GENWQE_CARD_H__ 2 #define __GENWQE_CARD_H__ 3 4 /** 5 * IBM Accelerator Family 'GenWQE' 6 * 7 * (C) Copyright IBM Corp. 2013 8 * 9 * Author: Frank Haverkamp <haver@linux.vnet.ibm.com> 10 * Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com> 11 * Author: Michael Jung <mijung@de.ibm.com> 12 * Author: Michael Ruettger <michael@ibmra.de> 13 * 14 * This program is free software; you can redistribute it and/or modify 15 * it under the terms of the GNU General Public License (version 2 only) 16 * as published by the Free Software Foundation. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 */ 23 24 /* 25 * User-space API for the GenWQE card. For debugging and test purposes 26 * the register addresses are included here too. 27 */ 28 29 #include <linux/types.h> 30 #include <linux/ioctl.h> 31 32 /* Basename of sysfs, debugfs and /dev interfaces */ 33 #define GENWQE_DEVNAME "genwqe" 34 35 #define GENWQE_TYPE_ALTERA_230 0x00 /* GenWQE4 Stratix-IV-230 */ 36 #define GENWQE_TYPE_ALTERA_530 0x01 /* GenWQE4 Stratix-IV-530 */ 37 #define GENWQE_TYPE_ALTERA_A4 0x02 /* GenWQE5 A4 Stratix-V-A4 */ 38 #define GENWQE_TYPE_ALTERA_A7 0x03 /* GenWQE5 A7 Stratix-V-A7 */ 39 40 /* MMIO Unit offsets: Each UnitID occupies a defined address range */ 41 #define GENWQE_UID_OFFS(uid) ((uid) << 24) 42 #define GENWQE_SLU_OFFS GENWQE_UID_OFFS(0) 43 #define GENWQE_HSU_OFFS GENWQE_UID_OFFS(1) 44 #define GENWQE_APP_OFFS GENWQE_UID_OFFS(2) 45 #define GENWQE_MAX_UNITS 3 46 47 /* Common offsets per UnitID */ 48 #define IO_EXTENDED_ERROR_POINTER 0x00000048 49 #define IO_ERROR_INJECT_SELECTOR 0x00000060 50 #define IO_EXTENDED_DIAG_SELECTOR 0x00000070 51 #define IO_EXTENDED_DIAG_READ_MBX 0x00000078 52 #define IO_EXTENDED_DIAG_MAP(ring) (0x00000500 | ((ring) << 3)) 53 54 #define GENWQE_EXTENDED_DIAG_SELECTOR(ring, trace) (((ring) << 8) | (trace)) 55 56 /* UnitID 0: Service Layer Unit (SLU) */ 57 58 /* SLU: Unit Configuration Register */ 59 #define IO_SLU_UNITCFG 0x00000000 60 #define IO_SLU_UNITCFG_TYPE_MASK 0x000000000ff00000 /* 27:20 */ 61 62 /* SLU: Fault Isolation Register (FIR) (ac_slu_fir) */ 63 #define IO_SLU_FIR 0x00000008 /* read only, wr direct */ 64 #define IO_SLU_FIR_CLR 0x00000010 /* read and clear */ 65 66 /* SLU: First Error Capture Register (FEC/WOF) */ 67 #define IO_SLU_FEC 0x00000018 68 69 #define IO_SLU_ERR_ACT_MASK 0x00000020 70 #define IO_SLU_ERR_ATTN_MASK 0x00000028 71 #define IO_SLU_FIRX1_ACT_MASK 0x00000030 72 #define IO_SLU_FIRX0_ACT_MASK 0x00000038 73 #define IO_SLU_SEC_LEM_DEBUG_OVR 0x00000040 74 #define IO_SLU_EXTENDED_ERR_PTR 0x00000048 75 #define IO_SLU_COMMON_CONFIG 0x00000060 76 77 #define IO_SLU_FLASH_FIR 0x00000108 78 #define IO_SLU_SLC_FIR 0x00000110 79 #define IO_SLU_RIU_TRAP 0x00000280 80 #define IO_SLU_FLASH_FEC 0x00000308 81 #define IO_SLU_SLC_FEC 0x00000310 82 83 /* 84 * The Virtual Function's Access is from offset 0x00010000 85 * The Physical Function's Access is from offset 0x00050000 86 * Single Shared Registers exists only at offset 0x00060000 87 * 88 * SLC: Queue Virtual Window Window for accessing into a specific VF 89 * queue. When accessing the 0x10000 space using the 0x50000 address 90 * segment, the value indicated here is used to specify which VF 91 * register is decoded. This register, and the 0x50000 register space 92 * can only be accessed by the PF. Example, if this register is set to 93 * 0x2, then a read from 0x50000 is the same as a read from 0x10000 94 * from VF=2. 95 */ 96 97 /* SLC: Queue Segment */ 98 #define IO_SLC_QUEUE_SEGMENT 0x00010000 99 #define IO_SLC_VF_QUEUE_SEGMENT 0x00050000 100 101 /* SLC: Queue Offset */ 102 #define IO_SLC_QUEUE_OFFSET 0x00010008 103 #define IO_SLC_VF_QUEUE_OFFSET 0x00050008 104 105 /* SLC: Queue Configuration */ 106 #define IO_SLC_QUEUE_CONFIG 0x00010010 107 #define IO_SLC_VF_QUEUE_CONFIG 0x00050010 108 109 /* SLC: Job Timout/Only accessible for the PF */ 110 #define IO_SLC_APPJOB_TIMEOUT 0x00010018 111 #define IO_SLC_VF_APPJOB_TIMEOUT 0x00050018 112 #define TIMEOUT_250MS 0x0000000f 113 #define HEARTBEAT_DISABLE 0x0000ff00 114 115 /* SLC: Queue InitSequence Register */ 116 #define IO_SLC_QUEUE_INITSQN 0x00010020 117 #define IO_SLC_VF_QUEUE_INITSQN 0x00050020 118 119 /* SLC: Queue Wrap */ 120 #define IO_SLC_QUEUE_WRAP 0x00010028 121 #define IO_SLC_VF_QUEUE_WRAP 0x00050028 122 123 /* SLC: Queue Status */ 124 #define IO_SLC_QUEUE_STATUS 0x00010100 125 #define IO_SLC_VF_QUEUE_STATUS 0x00050100 126 127 /* SLC: Queue Working Time */ 128 #define IO_SLC_QUEUE_WTIME 0x00010030 129 #define IO_SLC_VF_QUEUE_WTIME 0x00050030 130 131 /* SLC: Queue Error Counts */ 132 #define IO_SLC_QUEUE_ERRCNTS 0x00010038 133 #define IO_SLC_VF_QUEUE_ERRCNTS 0x00050038 134 135 /* SLC: Queue Loast Response Word */ 136 #define IO_SLC_QUEUE_LRW 0x00010040 137 #define IO_SLC_VF_QUEUE_LRW 0x00050040 138 139 /* SLC: Freerunning Timer */ 140 #define IO_SLC_FREE_RUNNING_TIMER 0x00010108 141 #define IO_SLC_VF_FREE_RUNNING_TIMER 0x00050108 142 143 /* SLC: Queue Virtual Access Region */ 144 #define IO_PF_SLC_VIRTUAL_REGION 0x00050000 145 146 /* SLC: Queue Virtual Window */ 147 #define IO_PF_SLC_VIRTUAL_WINDOW 0x00060000 148 149 /* SLC: DDCB Application Job Pending [n] (n=0:63) */ 150 #define IO_PF_SLC_JOBPEND(n) (0x00061000 + 8*(n)) 151 #define IO_SLC_JOBPEND(n) IO_PF_SLC_JOBPEND(n) 152 153 /* SLC: Parser Trap RAM [n] (n=0:31) */ 154 #define IO_SLU_SLC_PARSE_TRAP(n) (0x00011000 + 8*(n)) 155 156 /* SLC: Dispatcher Trap RAM [n] (n=0:31) */ 157 #define IO_SLU_SLC_DISP_TRAP(n) (0x00011200 + 8*(n)) 158 159 /* Global Fault Isolation Register (GFIR) */ 160 #define IO_SLC_CFGREG_GFIR 0x00020000 161 #define GFIR_ERR_TRIGGER 0x0000ffff 162 163 /* SLU: Soft Reset Register */ 164 #define IO_SLC_CFGREG_SOFTRESET 0x00020018 165 166 /* SLU: Misc Debug Register */ 167 #define IO_SLC_MISC_DEBUG 0x00020060 168 #define IO_SLC_MISC_DEBUG_CLR 0x00020068 169 #define IO_SLC_MISC_DEBUG_SET 0x00020070 170 171 /* Temperature Sensor Reading */ 172 #define IO_SLU_TEMPERATURE_SENSOR 0x00030000 173 #define IO_SLU_TEMPERATURE_CONFIG 0x00030008 174 175 /* Voltage Margining Control */ 176 #define IO_SLU_VOLTAGE_CONTROL 0x00030080 177 #define IO_SLU_VOLTAGE_NOMINAL 0x00000000 178 #define IO_SLU_VOLTAGE_DOWN5 0x00000006 179 #define IO_SLU_VOLTAGE_UP5 0x00000007 180 181 /* Direct LED Control Register */ 182 #define IO_SLU_LEDCONTROL 0x00030100 183 184 /* SLU: Flashbus Direct Access -A5 */ 185 #define IO_SLU_FLASH_DIRECTACCESS 0x00040010 186 187 /* SLU: Flashbus Direct Access2 -A5 */ 188 #define IO_SLU_FLASH_DIRECTACCESS2 0x00040020 189 190 /* SLU: Flashbus Command Interface -A5 */ 191 #define IO_SLU_FLASH_CMDINTF 0x00040030 192 193 /* SLU: BitStream Loaded */ 194 #define IO_SLU_BITSTREAM 0x00040040 195 196 /* This Register has a switch which will change the CAs to UR */ 197 #define IO_HSU_ERR_BEHAVIOR 0x01001010 198 199 #define IO_SLC2_SQB_TRAP 0x00062000 200 #define IO_SLC2_QUEUE_MANAGER_TRAP 0x00062008 201 #define IO_SLC2_FLS_MASTER_TRAP 0x00062010 202 203 /* UnitID 1: HSU Registers */ 204 #define IO_HSU_UNITCFG 0x01000000 205 #define IO_HSU_FIR 0x01000008 206 #define IO_HSU_FIR_CLR 0x01000010 207 #define IO_HSU_FEC 0x01000018 208 #define IO_HSU_ERR_ACT_MASK 0x01000020 209 #define IO_HSU_ERR_ATTN_MASK 0x01000028 210 #define IO_HSU_FIRX1_ACT_MASK 0x01000030 211 #define IO_HSU_FIRX0_ACT_MASK 0x01000038 212 #define IO_HSU_SEC_LEM_DEBUG_OVR 0x01000040 213 #define IO_HSU_EXTENDED_ERR_PTR 0x01000048 214 #define IO_HSU_COMMON_CONFIG 0x01000060 215 216 /* UnitID 2: Application Unit (APP) */ 217 #define IO_APP_UNITCFG 0x02000000 218 #define IO_APP_FIR 0x02000008 219 #define IO_APP_FIR_CLR 0x02000010 220 #define IO_APP_FEC 0x02000018 221 #define IO_APP_ERR_ACT_MASK 0x02000020 222 #define IO_APP_ERR_ATTN_MASK 0x02000028 223 #define IO_APP_FIRX1_ACT_MASK 0x02000030 224 #define IO_APP_FIRX0_ACT_MASK 0x02000038 225 #define IO_APP_SEC_LEM_DEBUG_OVR 0x02000040 226 #define IO_APP_EXTENDED_ERR_PTR 0x02000048 227 #define IO_APP_COMMON_CONFIG 0x02000060 228 229 #define IO_APP_DEBUG_REG_01 0x02010000 230 #define IO_APP_DEBUG_REG_02 0x02010008 231 #define IO_APP_DEBUG_REG_03 0x02010010 232 #define IO_APP_DEBUG_REG_04 0x02010018 233 #define IO_APP_DEBUG_REG_05 0x02010020 234 #define IO_APP_DEBUG_REG_06 0x02010028 235 #define IO_APP_DEBUG_REG_07 0x02010030 236 #define IO_APP_DEBUG_REG_08 0x02010038 237 #define IO_APP_DEBUG_REG_09 0x02010040 238 #define IO_APP_DEBUG_REG_10 0x02010048 239 #define IO_APP_DEBUG_REG_11 0x02010050 240 #define IO_APP_DEBUG_REG_12 0x02010058 241 #define IO_APP_DEBUG_REG_13 0x02010060 242 #define IO_APP_DEBUG_REG_14 0x02010068 243 #define IO_APP_DEBUG_REG_15 0x02010070 244 #define IO_APP_DEBUG_REG_16 0x02010078 245 #define IO_APP_DEBUG_REG_17 0x02010080 246 #define IO_APP_DEBUG_REG_18 0x02010088 247 248 /* Read/write from/to registers */ 249 struct genwqe_reg_io { 250 __u64 num; /* register offset/address */ 251 __u64 val64; 252 }; 253 254 /* 255 * All registers of our card will return values not equal this values. 256 * If we see IO_ILLEGAL_VALUE on any of our MMIO register reads, the 257 * card can be considered as unusable. It will need recovery. 258 */ 259 #define IO_ILLEGAL_VALUE 0xffffffffffffffffull 260 261 /* 262 * Generic DDCB execution interface. 263 * 264 * This interface is a first prototype resulting from discussions we 265 * had with other teams which wanted to use the Genwqe card. It allows 266 * to issue a DDCB request in a generic way. The request will block 267 * until it finishes or time out with error. 268 * 269 * Some DDCBs require DMA addresses to be specified in the ASIV 270 * block. The interface provies the capability to let the kernel 271 * driver know where those addresses are by specifying the ATS field, 272 * such that it can replace the user-space addresses with appropriate 273 * DMA addresses or DMA addresses of a scatter gather list which is 274 * dynamically created. 275 * 276 * Our hardware will refuse DDCB execution if the ATS field is not as 277 * expected. That means the DDCB execution engine in the chip knows 278 * where it expects DMA addresses within the ASIV part of the DDCB and 279 * will check that against the ATS field definition. Any invalid or 280 * unknown ATS content will lead to DDCB refusal. 281 */ 282 283 /* Genwqe chip Units */ 284 #define DDCB_ACFUNC_SLU 0x00 /* chip service layer unit */ 285 #define DDCB_ACFUNC_APP 0x01 /* chip application */ 286 287 /* DDCB return codes (RETC) */ 288 #define DDCB_RETC_IDLE 0x0000 /* Unexecuted/DDCB created */ 289 #define DDCB_RETC_PENDING 0x0101 /* Pending Execution */ 290 #define DDCB_RETC_COMPLETE 0x0102 /* Cmd complete. No error */ 291 #define DDCB_RETC_FAULT 0x0104 /* App Err, recoverable */ 292 #define DDCB_RETC_ERROR 0x0108 /* App Err, non-recoverable */ 293 #define DDCB_RETC_FORCED_ERROR 0x01ff /* overwritten by driver */ 294 295 #define DDCB_RETC_UNEXEC 0x0110 /* Unexe/Removed from queue */ 296 #define DDCB_RETC_TERM 0x0120 /* Terminated */ 297 #define DDCB_RETC_RES0 0x0140 /* Reserved */ 298 #define DDCB_RETC_RES1 0x0180 /* Reserved */ 299 300 /* DDCB Command Options (CMDOPT) */ 301 #define DDCB_OPT_ECHO_FORCE_NO 0x0000 /* ECHO DDCB */ 302 #define DDCB_OPT_ECHO_FORCE_102 0x0001 /* force return code */ 303 #define DDCB_OPT_ECHO_FORCE_104 0x0002 304 #define DDCB_OPT_ECHO_FORCE_108 0x0003 305 306 #define DDCB_OPT_ECHO_FORCE_110 0x0004 /* only on PF ! */ 307 #define DDCB_OPT_ECHO_FORCE_120 0x0005 308 #define DDCB_OPT_ECHO_FORCE_140 0x0006 309 #define DDCB_OPT_ECHO_FORCE_180 0x0007 310 311 #define DDCB_OPT_ECHO_COPY_NONE (0 << 5) 312 #define DDCB_OPT_ECHO_COPY_ALL (1 << 5) 313 314 /* Definitions of Service Layer Commands */ 315 #define SLCMD_ECHO_SYNC 0x00 /* PF/VF */ 316 #define SLCMD_MOVE_FLASH 0x06 /* PF only */ 317 #define SLCMD_MOVE_FLASH_FLAGS_MODE 0x03 /* bit 0 and 1 used for mode */ 318 #define SLCMD_MOVE_FLASH_FLAGS_DLOAD 0 /* mode: download */ 319 #define SLCMD_MOVE_FLASH_FLAGS_EMUL 1 /* mode: emulation */ 320 #define SLCMD_MOVE_FLASH_FLAGS_UPLOAD 2 /* mode: upload */ 321 #define SLCMD_MOVE_FLASH_FLAGS_VERIFY 3 /* mode: verify */ 322 #define SLCMD_MOVE_FLASH_FLAG_NOTAP (1 << 2)/* just dump DDCB and exit */ 323 #define SLCMD_MOVE_FLASH_FLAG_POLL (1 << 3)/* wait for RETC >= 0102 */ 324 #define SLCMD_MOVE_FLASH_FLAG_PARTITION (1 << 4) 325 #define SLCMD_MOVE_FLASH_FLAG_ERASE (1 << 5) 326 327 enum genwqe_card_state { 328 GENWQE_CARD_UNUSED = 0, 329 GENWQE_CARD_USED = 1, 330 GENWQE_CARD_FATAL_ERROR = 2, 331 GENWQE_CARD_STATE_MAX, 332 }; 333 334 /* common struct for chip image exchange */ 335 struct genwqe_bitstream { 336 __u64 data_addr; /* pointer to image data */ 337 __u32 size; /* size of image file */ 338 __u32 crc; /* crc of this image */ 339 __u64 target_addr; /* starting address in Flash */ 340 __u32 partition; /* '0', '1', or 'v' */ 341 __u32 uid; /* 1=host/x=dram */ 342 343 __u64 slu_id; /* informational/sim: SluID */ 344 __u64 app_id; /* informational/sim: AppID */ 345 346 __u16 retc; /* returned from processing */ 347 __u16 attn; /* attention code from processing */ 348 __u32 progress; /* progress code from processing */ 349 }; 350 351 /* Issuing a specific DDCB command */ 352 #define DDCB_LENGTH 256 /* for debug data */ 353 #define DDCB_ASIV_LENGTH 104 /* len of the DDCB ASIV array */ 354 #define DDCB_ASIV_LENGTH_ATS 96 /* ASIV in ATS architecture */ 355 #define DDCB_ASV_LENGTH 64 /* len of the DDCB ASV array */ 356 #define DDCB_FIXUPS 12 /* maximum number of fixups */ 357 358 struct genwqe_debug_data { 359 char driver_version[64]; 360 __u64 slu_unitcfg; 361 __u64 app_unitcfg; 362 363 __u8 ddcb_before[DDCB_LENGTH]; 364 __u8 ddcb_prev[DDCB_LENGTH]; 365 __u8 ddcb_finished[DDCB_LENGTH]; 366 }; 367 368 /* 369 * Address Translation Specification (ATS) definitions 370 * 371 * Each 4 bit within the ATS 64-bit word specify the required address 372 * translation at the defined offset. 373 * 374 * 63 LSB 375 * 6666.5555.5555.5544.4444.4443.3333.3333 ... 11 376 * 3210.9876.5432.1098.7654.3210.9876.5432 ... 1098.7654.3210 377 * 378 * offset: 0x00 0x08 0x10 0x18 0x20 0x28 0x30 0x38 ... 0x68 0x70 0x78 379 * res res res res ASIV ... 380 * The first 4 entries in the ATS word are reserved. The following nibbles 381 * each describe at an 8 byte offset the format of the required data. 382 */ 383 #define ATS_TYPE_DATA 0x0ull /* data */ 384 #define ATS_TYPE_FLAT_RD 0x4ull /* flat buffer read only */ 385 #define ATS_TYPE_FLAT_RDWR 0x5ull /* flat buffer read/write */ 386 #define ATS_TYPE_SGL_RD 0x6ull /* sgl read only */ 387 #define ATS_TYPE_SGL_RDWR 0x7ull /* sgl read/write */ 388 389 #define ATS_SET_FLAGS(_struct, _field, _flags) \ 390 (((_flags) & 0xf) << (44 - (4 * (offsetof(_struct, _field) / 8)))) 391 392 #define ATS_GET_FLAGS(_ats, _byte_offs) \ 393 (((_ats) >> (44 - (4 * ((_byte_offs) / 8)))) & 0xf) 394 395 /** 396 * struct genwqe_ddcb_cmd - User parameter for generic DDCB commands 397 * 398 * On the way into the kernel the driver will read the whole data 399 * structure. On the way out the driver will not copy the ASIV data 400 * back to user-space. 401 */ 402 struct genwqe_ddcb_cmd { 403 /* START of data copied to/from driver */ 404 __u64 next_addr; /* chaining genwqe_ddcb_cmd */ 405 __u64 flags; /* reserved */ 406 407 __u8 acfunc; /* accelerators functional unit */ 408 __u8 cmd; /* command to execute */ 409 __u8 asiv_length; /* used parameter length */ 410 __u8 asv_length; /* length of valid return values */ 411 __u16 cmdopts; /* command options */ 412 __u16 retc; /* return code from processing */ 413 414 __u16 attn; /* attention code from processing */ 415 __u16 vcrc; /* variant crc16 */ 416 __u32 progress; /* progress code from processing */ 417 418 __u64 deque_ts; /* dequeue time stamp */ 419 __u64 cmplt_ts; /* completion time stamp */ 420 __u64 disp_ts; /* SW processing start */ 421 422 /* move to end and avoid copy-back */ 423 __u64 ddata_addr; /* collect debug data */ 424 425 /* command specific values */ 426 __u8 asv[DDCB_ASV_LENGTH]; 427 428 /* END of data copied from driver */ 429 union { 430 struct { 431 __u64 ats; 432 __u8 asiv[DDCB_ASIV_LENGTH_ATS]; 433 }; 434 /* used for flash update to keep it backward compatible */ 435 __u8 __asiv[DDCB_ASIV_LENGTH]; 436 }; 437 /* END of data copied to driver */ 438 }; 439 440 #define GENWQE_IOC_CODE 0xa5 441 442 /* Access functions */ 443 #define GENWQE_READ_REG64 _IOR(GENWQE_IOC_CODE, 30, struct genwqe_reg_io) 444 #define GENWQE_WRITE_REG64 _IOW(GENWQE_IOC_CODE, 31, struct genwqe_reg_io) 445 #define GENWQE_READ_REG32 _IOR(GENWQE_IOC_CODE, 32, struct genwqe_reg_io) 446 #define GENWQE_WRITE_REG32 _IOW(GENWQE_IOC_CODE, 33, struct genwqe_reg_io) 447 #define GENWQE_READ_REG16 _IOR(GENWQE_IOC_CODE, 34, struct genwqe_reg_io) 448 #define GENWQE_WRITE_REG16 _IOW(GENWQE_IOC_CODE, 35, struct genwqe_reg_io) 449 450 #define GENWQE_GET_CARD_STATE _IOR(GENWQE_IOC_CODE, 36, enum genwqe_card_state) 451 452 /** 453 * struct genwqe_mem - Memory pinning/unpinning information 454 * @addr: virtual user space address 455 * @size: size of the area pin/dma-map/unmap 456 * direction: 0: read/1: read and write 457 * 458 * Avoid pinning and unpinning of memory pages dynamically. Instead 459 * the idea is to pin the whole buffer space required for DDCB 460 * opertionas in advance. The driver will reuse this pinning and the 461 * memory associated with it to setup the sglists for the DDCB 462 * requests without the need to allocate and free memory or map and 463 * unmap to get the DMA addresses. 464 * 465 * The inverse operation needs to be called after the pinning is not 466 * needed anymore. The pinnings else the pinnings will get removed 467 * after the device is closed. Note that pinnings will required 468 * memory. 469 */ 470 struct genwqe_mem { 471 __u64 addr; 472 __u64 size; 473 __u64 direction; 474 __u64 flags; 475 }; 476 477 #define GENWQE_PIN_MEM _IOWR(GENWQE_IOC_CODE, 40, struct genwqe_mem) 478 #define GENWQE_UNPIN_MEM _IOWR(GENWQE_IOC_CODE, 41, struct genwqe_mem) 479 480 /* 481 * Generic synchronous DDCB execution interface. 482 * Synchronously execute a DDCB. 483 * 484 * Return: 0 on success or negative error code. 485 * -EINVAL: Invalid parameters (ASIV_LEN, ASV_LEN, illegal fixups 486 * no mappings found/could not create mappings 487 * -EFAULT: illegal addresses in fixups, purging failed 488 * -EBADMSG: enqueing failed, retc != DDCB_RETC_COMPLETE 489 */ 490 #define GENWQE_EXECUTE_DDCB \ 491 _IOWR(GENWQE_IOC_CODE, 50, struct genwqe_ddcb_cmd) 492 493 #define GENWQE_EXECUTE_RAW_DDCB \ 494 _IOWR(GENWQE_IOC_CODE, 51, struct genwqe_ddcb_cmd) 495 496 /* Service Layer functions (PF only) */ 497 #define GENWQE_SLU_UPDATE _IOWR(GENWQE_IOC_CODE, 80, struct genwqe_bitstream) 498 #define GENWQE_SLU_READ _IOWR(GENWQE_IOC_CODE, 81, struct genwqe_bitstream) 499 500 #endif /* __GENWQE_CARD_H__ */ 501