1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (c) 2005 Silicon Graphics, Inc. All rights reserved. 7 */ 8 9 #ifndef __MBCS_H__ 10 #define __MBCS_H__ 11 12 /* 13 * General macros 14 */ 15 #define MB (1024*1024) 16 #define MB2 (2*MB) 17 #define MB4 (4*MB) 18 #define MB6 (6*MB) 19 20 /* 21 * Offsets and masks 22 */ 23 #define MBCS_CM_ID 0x0000 /* Identification */ 24 #define MBCS_CM_STATUS 0x0008 /* Status */ 25 #define MBCS_CM_ERROR_DETAIL1 0x0010 /* Error Detail1 */ 26 #define MBCS_CM_ERROR_DETAIL2 0x0018 /* Error Detail2 */ 27 #define MBCS_CM_CONTROL 0x0020 /* Control */ 28 #define MBCS_CM_REQ_TOUT 0x0028 /* Request Time-out */ 29 #define MBCS_CM_ERR_INT_DEST 0x0038 /* Error Interrupt Destination */ 30 #define MBCS_CM_TARG_FL 0x0050 /* Target Flush */ 31 #define MBCS_CM_ERR_STAT 0x0060 /* Error Status */ 32 #define MBCS_CM_CLR_ERR_STAT 0x0068 /* Clear Error Status */ 33 #define MBCS_CM_ERR_INT_EN 0x0070 /* Error Interrupt Enable */ 34 #define MBCS_RD_DMA_SYS_ADDR 0x0100 /* Read DMA System Address */ 35 #define MBCS_RD_DMA_LOC_ADDR 0x0108 /* Read DMA Local Address */ 36 #define MBCS_RD_DMA_CTRL 0x0110 /* Read DMA Control */ 37 #define MBCS_RD_DMA_AMO_DEST 0x0118 /* Read DMA AMO Destination */ 38 #define MBCS_RD_DMA_INT_DEST 0x0120 /* Read DMA Interrupt Destination */ 39 #define MBCS_RD_DMA_AUX_STAT 0x0130 /* Read DMA Auxiliary Status */ 40 #define MBCS_WR_DMA_SYS_ADDR 0x0200 /* Write DMA System Address */ 41 #define MBCS_WR_DMA_LOC_ADDR 0x0208 /* Write DMA Local Address */ 42 #define MBCS_WR_DMA_CTRL 0x0210 /* Write DMA Control */ 43 #define MBCS_WR_DMA_AMO_DEST 0x0218 /* Write DMA AMO Destination */ 44 #define MBCS_WR_DMA_INT_DEST 0x0220 /* Write DMA Interrupt Destination */ 45 #define MBCS_WR_DMA_AUX_STAT 0x0230 /* Write DMA Auxiliary Status */ 46 #define MBCS_ALG_AMO_DEST 0x0300 /* Algorithm AMO Destination */ 47 #define MBCS_ALG_INT_DEST 0x0308 /* Algorithm Interrupt Destination */ 48 #define MBCS_ALG_OFFSETS 0x0310 49 #define MBCS_ALG_STEP 0x0318 /* Algorithm Step */ 50 51 #define MBCS_GSCR_START 0x0000000 52 #define MBCS_DEBUG_START 0x0100000 53 #define MBCS_RAM0_START 0x0200000 54 #define MBCS_RAM1_START 0x0400000 55 #define MBCS_RAM2_START 0x0600000 56 57 #define MBCS_CM_CONTROL_REQ_TOUT_MASK 0x0000000000ffffffUL 58 //#define PIO_BASE_ADDR_BASE_OFFSET_MASK 0x00fffffffff00000UL 59 60 #define MBCS_SRAM_SIZE (1024*1024) 61 #define MBCS_CACHELINE_SIZE 128 62 63 /* 64 * MMR get's and put's 65 */ 66 #define MBCS_MMR_ADDR(mmr_base, offset)((uint64_t *)(mmr_base + offset)) 67 #define MBCS_MMR_SET(mmr_base, offset, value) { \ 68 uint64_t *mbcs_mmr_set_u64p, readback; \ 69 mbcs_mmr_set_u64p = (uint64_t *)(mmr_base + offset); \ 70 *mbcs_mmr_set_u64p = value; \ 71 readback = *mbcs_mmr_set_u64p; \ 72 } 73 #define MBCS_MMR_GET(mmr_base, offset) *(uint64_t *)(mmr_base + offset) 74 #define MBCS_MMR_ZERO(mmr_base, offset) MBCS_MMR_SET(mmr_base, offset, 0) 75 76 /* 77 * MBCS mmr structures 78 */ 79 union cm_id { 80 uint64_t cm_id_reg; 81 struct { 82 uint64_t always_one:1, // 0 83 mfg_id:11, // 11:1 84 part_num:16, // 27:12 85 bitstream_rev:8, // 35:28 86 :28; // 63:36 87 }; 88 }; 89 90 union cm_status { 91 uint64_t cm_status_reg; 92 struct { 93 uint64_t pending_reads:8, // 7:0 94 pending_writes:8, // 15:8 95 ice_rsp_credits:8, // 23:16 96 ice_req_credits:8, // 31:24 97 cm_req_credits:8, // 39:32 98 :1, // 40 99 rd_dma_in_progress:1, // 41 100 rd_dma_done:1, // 42 101 :1, // 43 102 wr_dma_in_progress:1, // 44 103 wr_dma_done:1, // 45 104 alg_waiting:1, // 46 105 alg_pipe_running:1, // 47 106 alg_done:1, // 48 107 :3, // 51:49 108 pending_int_reqs:8, // 59:52 109 :3, // 62:60 110 alg_half_speed_sel:1; // 63 111 }; 112 }; 113 114 union cm_error_detail1 { 115 uint64_t cm_error_detail1_reg; 116 struct { 117 uint64_t packet_type:4, // 3:0 118 source_id:2, // 5:4 119 data_size:2, // 7:6 120 tnum:8, // 15:8 121 byte_enable:8, // 23:16 122 gfx_cred:8, // 31:24 123 read_type:2, // 33:32 124 pio_or_memory:1, // 34 125 head_cw_error:1, // 35 126 :12, // 47:36 127 head_error_bit:1, // 48 128 data_error_bit:1, // 49 129 :13, // 62:50 130 valid:1; // 63 131 }; 132 }; 133 134 union cm_error_detail2 { 135 uint64_t cm_error_detail2_reg; 136 struct { 137 uint64_t address:56, // 55:0 138 :8; // 63:56 139 }; 140 }; 141 142 union cm_control { 143 uint64_t cm_control_reg; 144 struct { 145 uint64_t cm_id:2, // 1:0 146 :2, // 3:2 147 max_trans:5, // 8:4 148 :3, // 11:9 149 address_mode:1, // 12 150 :7, // 19:13 151 credit_limit:8, // 27:20 152 :5, // 32:28 153 rearm_stat_regs:1, // 33 154 prescalar_byp:1, // 34 155 force_gap_war:1, // 35 156 rd_dma_go:1, // 36 157 wr_dma_go:1, // 37 158 alg_go:1, // 38 159 rd_dma_clr:1, // 39 160 wr_dma_clr:1, // 40 161 alg_clr:1, // 41 162 :2, // 43:42 163 alg_wait_step:1, // 44 164 alg_done_amo_en:1, // 45 165 alg_done_int_en:1, // 46 166 :1, // 47 167 alg_sram0_locked:1, // 48 168 alg_sram1_locked:1, // 49 169 alg_sram2_locked:1, // 50 170 alg_done_clr:1, // 51 171 :12; // 63:52 172 }; 173 }; 174 175 union cm_req_timeout { 176 uint64_t cm_req_timeout_reg; 177 struct { 178 uint64_t time_out:24, // 23:0 179 :40; // 63:24 180 }; 181 }; 182 183 union intr_dest { 184 uint64_t intr_dest_reg; 185 struct { 186 uint64_t address:56, // 55:0 187 int_vector:8; // 63:56 188 }; 189 }; 190 191 union cm_error_status { 192 uint64_t cm_error_status_reg; 193 struct { 194 uint64_t ecc_sbe:1, // 0 195 ecc_mbe:1, // 1 196 unsupported_req:1, // 2 197 unexpected_rsp:1, // 3 198 bad_length:1, // 4 199 bad_datavalid:1, // 5 200 buffer_overflow:1, // 6 201 request_timeout:1, // 7 202 :8, // 15:8 203 head_inv_data_size:1, // 16 204 rsp_pactype_inv:1, // 17 205 head_sb_err:1, // 18 206 missing_head:1, // 19 207 head_inv_rd_type:1, // 20 208 head_cmd_err_bit:1, // 21 209 req_addr_align_inv:1, // 22 210 pio_req_addr_inv:1, // 23 211 req_range_dsize_inv:1, // 24 212 early_term:1, // 25 213 early_tail:1, // 26 214 missing_tail:1, // 27 215 data_flit_sb_err:1, // 28 216 cm2hcm_req_cred_of:1, // 29 217 cm2hcm_rsp_cred_of:1, // 30 218 rx_bad_didn:1, // 31 219 rd_dma_err_rsp:1, // 32 220 rd_dma_tnum_tout:1, // 33 221 rd_dma_multi_tnum_tou:1, // 34 222 wr_dma_err_rsp:1, // 35 223 wr_dma_tnum_tout:1, // 36 224 wr_dma_multi_tnum_tou:1, // 37 225 alg_data_overflow:1, // 38 226 alg_data_underflow:1, // 39 227 ram0_access_conflict:1, // 40 228 ram1_access_conflict:1, // 41 229 ram2_access_conflict:1, // 42 230 ram0_perr:1, // 43 231 ram1_perr:1, // 44 232 ram2_perr:1, // 45 233 int_gen_rsp_err:1, // 46 234 int_gen_tnum_tout:1, // 47 235 rd_dma_prog_err:1, // 48 236 wr_dma_prog_err:1, // 49 237 :14; // 63:50 238 }; 239 }; 240 241 union cm_clr_error_status { 242 uint64_t cm_clr_error_status_reg; 243 struct { 244 uint64_t clr_ecc_sbe:1, // 0 245 clr_ecc_mbe:1, // 1 246 clr_unsupported_req:1, // 2 247 clr_unexpected_rsp:1, // 3 248 clr_bad_length:1, // 4 249 clr_bad_datavalid:1, // 5 250 clr_buffer_overflow:1, // 6 251 clr_request_timeout:1, // 7 252 :8, // 15:8 253 clr_head_inv_data_siz:1, // 16 254 clr_rsp_pactype_inv:1, // 17 255 clr_head_sb_err:1, // 18 256 clr_missing_head:1, // 19 257 clr_head_inv_rd_type:1, // 20 258 clr_head_cmd_err_bit:1, // 21 259 clr_req_addr_align_in:1, // 22 260 clr_pio_req_addr_inv:1, // 23 261 clr_req_range_dsize_i:1, // 24 262 clr_early_term:1, // 25 263 clr_early_tail:1, // 26 264 clr_missing_tail:1, // 27 265 clr_data_flit_sb_err:1, // 28 266 clr_cm2hcm_req_cred_o:1, // 29 267 clr_cm2hcm_rsp_cred_o:1, // 30 268 clr_rx_bad_didn:1, // 31 269 clr_rd_dma_err_rsp:1, // 32 270 clr_rd_dma_tnum_tout:1, // 33 271 clr_rd_dma_multi_tnum:1, // 34 272 clr_wr_dma_err_rsp:1, // 35 273 clr_wr_dma_tnum_tout:1, // 36 274 clr_wr_dma_multi_tnum:1, // 37 275 clr_alg_data_overflow:1, // 38 276 clr_alg_data_underflo:1, // 39 277 clr_ram0_access_confl:1, // 40 278 clr_ram1_access_confl:1, // 41 279 clr_ram2_access_confl:1, // 42 280 clr_ram0_perr:1, // 43 281 clr_ram1_perr:1, // 44 282 clr_ram2_perr:1, // 45 283 clr_int_gen_rsp_err:1, // 46 284 clr_int_gen_tnum_tout:1, // 47 285 clr_rd_dma_prog_err:1, // 48 286 clr_wr_dma_prog_err:1, // 49 287 :14; // 63:50 288 }; 289 }; 290 291 union cm_error_intr_enable { 292 uint64_t cm_error_intr_enable_reg; 293 struct { 294 uint64_t int_en_ecc_sbe:1, // 0 295 int_en_ecc_mbe:1, // 1 296 int_en_unsupported_re:1, // 2 297 int_en_unexpected_rsp:1, // 3 298 int_en_bad_length:1, // 4 299 int_en_bad_datavalid:1, // 5 300 int_en_buffer_overflo:1, // 6 301 int_en_request_timeou:1, // 7 302 :8, // 15:8 303 int_en_head_inv_data_:1, // 16 304 int_en_rsp_pactype_in:1, // 17 305 int_en_head_sb_err:1, // 18 306 int_en_missing_head:1, // 19 307 int_en_head_inv_rd_ty:1, // 20 308 int_en_head_cmd_err_b:1, // 21 309 int_en_req_addr_align:1, // 22 310 int_en_pio_req_addr_i:1, // 23 311 int_en_req_range_dsiz:1, // 24 312 int_en_early_term:1, // 25 313 int_en_early_tail:1, // 26 314 int_en_missing_tail:1, // 27 315 int_en_data_flit_sb_e:1, // 28 316 int_en_cm2hcm_req_cre:1, // 29 317 int_en_cm2hcm_rsp_cre:1, // 30 318 int_en_rx_bad_didn:1, // 31 319 int_en_rd_dma_err_rsp:1, // 32 320 int_en_rd_dma_tnum_to:1, // 33 321 int_en_rd_dma_multi_t:1, // 34 322 int_en_wr_dma_err_rsp:1, // 35 323 int_en_wr_dma_tnum_to:1, // 36 324 int_en_wr_dma_multi_t:1, // 37 325 int_en_alg_data_overf:1, // 38 326 int_en_alg_data_under:1, // 39 327 int_en_ram0_access_co:1, // 40 328 int_en_ram1_access_co:1, // 41 329 int_en_ram2_access_co:1, // 42 330 int_en_ram0_perr:1, // 43 331 int_en_ram1_perr:1, // 44 332 int_en_ram2_perr:1, // 45 333 int_en_int_gen_rsp_er:1, // 46 334 int_en_int_gen_tnum_t:1, // 47 335 int_en_rd_dma_prog_er:1, // 48 336 int_en_wr_dma_prog_er:1, // 49 337 :14; // 63:50 338 }; 339 }; 340 341 struct cm_mmr { 342 union cm_id id; 343 union cm_status status; 344 union cm_error_detail1 err_detail1; 345 union cm_error_detail2 err_detail2; 346 union cm_control control; 347 union cm_req_timeout req_timeout; 348 uint64_t reserved1[1]; 349 union intr_dest int_dest; 350 uint64_t reserved2[2]; 351 uint64_t targ_flush; 352 uint64_t reserved3[1]; 353 union cm_error_status err_status; 354 union cm_clr_error_status clr_err_status; 355 union cm_error_intr_enable int_enable; 356 }; 357 358 union dma_hostaddr { 359 uint64_t dma_hostaddr_reg; 360 struct { 361 uint64_t dma_sys_addr:56, // 55:0 362 :8; // 63:56 363 }; 364 }; 365 366 union dma_localaddr { 367 uint64_t dma_localaddr_reg; 368 struct { 369 uint64_t dma_ram_addr:21, // 20:0 370 dma_ram_sel:2, // 22:21 371 :41; // 63:23 372 }; 373 }; 374 375 union dma_control { 376 uint64_t dma_control_reg; 377 struct { 378 uint64_t dma_op_length:16, // 15:0 379 :18, // 33:16 380 done_amo_en:1, // 34 381 done_int_en:1, // 35 382 :1, // 36 383 pio_mem_n:1, // 37 384 :26; // 63:38 385 }; 386 }; 387 388 union dma_amo_dest { 389 uint64_t dma_amo_dest_reg; 390 struct { 391 uint64_t dma_amo_sys_addr:56, // 55:0 392 dma_amo_mod_type:3, // 58:56 393 :5; // 63:59 394 }; 395 }; 396 397 union rdma_aux_status { 398 uint64_t rdma_aux_status_reg; 399 struct { 400 uint64_t op_num_pacs_left:17, // 16:0 401 :5, // 21:17 402 lrsp_buff_empty:1, // 22 403 :17, // 39:23 404 pending_reqs_left:6, // 45:40 405 :18; // 63:46 406 }; 407 }; 408 409 struct rdma_mmr { 410 union dma_hostaddr host_addr; 411 union dma_localaddr local_addr; 412 union dma_control control; 413 union dma_amo_dest amo_dest; 414 union intr_dest intr_dest; 415 union rdma_aux_status aux_status; 416 }; 417 418 union wdma_aux_status { 419 uint64_t wdma_aux_status_reg; 420 struct { 421 uint64_t op_num_pacs_left:17, // 16:0 422 :4, // 20:17 423 lreq_buff_empty:1, // 21 424 :18, // 39:22 425 pending_reqs_left:6, // 45:40 426 :18; // 63:46 427 }; 428 }; 429 430 struct wdma_mmr { 431 union dma_hostaddr host_addr; 432 union dma_localaddr local_addr; 433 union dma_control control; 434 union dma_amo_dest amo_dest; 435 union intr_dest intr_dest; 436 union wdma_aux_status aux_status; 437 }; 438 439 union algo_step { 440 uint64_t algo_step_reg; 441 struct { 442 uint64_t alg_step_cnt:16, // 15:0 443 :48; // 63:16 444 }; 445 }; 446 447 struct algo_mmr { 448 union dma_amo_dest amo_dest; 449 union intr_dest intr_dest; 450 union { 451 uint64_t algo_offset_reg; 452 struct { 453 uint64_t sram0_offset:7, // 6:0 454 reserved0:1, // 7 455 sram1_offset:7, // 14:8 456 reserved1:1, // 15 457 sram2_offset:7, // 22:16 458 reserved2:14; // 63:23 459 }; 460 } sram_offset; 461 union algo_step step; 462 }; 463 464 struct mbcs_mmr { 465 struct cm_mmr cm; 466 uint64_t reserved1[17]; 467 struct rdma_mmr rdDma; 468 uint64_t reserved2[25]; 469 struct wdma_mmr wrDma; 470 uint64_t reserved3[25]; 471 struct algo_mmr algo; 472 uint64_t reserved4[156]; 473 }; 474 475 /* 476 * defines 477 */ 478 #define DEVICE_NAME "mbcs" 479 #define MBCS_PART_NUM 0xfff0 480 #define MBCS_PART_NUM_ALG0 0xf001 481 #define MBCS_MFG_NUM 0x1 482 483 struct algoblock { 484 uint64_t amoHostDest; 485 uint64_t amoModType; 486 uint64_t intrHostDest; 487 uint64_t intrVector; 488 uint64_t algoStepCount; 489 }; 490 491 struct getdma { 492 uint64_t hostAddr; 493 uint64_t localAddr; 494 uint64_t bytes; 495 uint64_t DoneAmoEnable; 496 uint64_t DoneIntEnable; 497 uint64_t peerIO; 498 uint64_t amoHostDest; 499 uint64_t amoModType; 500 uint64_t intrHostDest; 501 uint64_t intrVector; 502 }; 503 504 struct putdma { 505 uint64_t hostAddr; 506 uint64_t localAddr; 507 uint64_t bytes; 508 uint64_t DoneAmoEnable; 509 uint64_t DoneIntEnable; 510 uint64_t peerIO; 511 uint64_t amoHostDest; 512 uint64_t amoModType; 513 uint64_t intrHostDest; 514 uint64_t intrVector; 515 }; 516 517 struct mbcs_soft { 518 struct list_head list; 519 struct cx_dev *cxdev; 520 int major; 521 int nasid; 522 void *mmr_base; 523 wait_queue_head_t dmawrite_queue; 524 wait_queue_head_t dmaread_queue; 525 wait_queue_head_t algo_queue; 526 struct sn_irq_info *get_sn_irq; 527 struct sn_irq_info *put_sn_irq; 528 struct sn_irq_info *algo_sn_irq; 529 struct getdma getdma; 530 struct putdma putdma; 531 struct algoblock algo; 532 uint64_t gscr_addr; // pio addr 533 uint64_t ram0_addr; // pio addr 534 uint64_t ram1_addr; // pio addr 535 uint64_t ram2_addr; // pio addr 536 uint64_t debug_addr; // pio addr 537 atomic_t dmawrite_done; 538 atomic_t dmaread_done; 539 atomic_t algo_done; 540 struct mutex dmawritelock; 541 struct mutex dmareadlock; 542 struct mutex algolock; 543 }; 544 545 static int mbcs_open(struct inode *ip, struct file *fp); 546 static ssize_t mbcs_sram_read(struct file *fp, char __user *buf, size_t len, 547 loff_t * off); 548 static ssize_t mbcs_sram_write(struct file *fp, const char __user *buf, size_t len, 549 loff_t * off); 550 static loff_t mbcs_sram_llseek(struct file *filp, loff_t off, int whence); 551 static int mbcs_gscr_mmap(struct file *fp, struct vm_area_struct *vma); 552 553 #endif // __MBCS_H__ 554