ti-cppi5.h (33838B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * CPPI5 descriptors interface 4 * 5 * Copyright (C) 2019 Texas Instruments Incorporated - https://www.ti.com 6 */ 7 8#ifndef __TI_CPPI5_H__ 9#define __TI_CPPI5_H__ 10 11#include <linux/bitops.h> 12#include <linux/printk.h> 13#include <linux/bug.h> 14 15/** 16 * struct cppi5_desc_hdr_t - Descriptor header, present in all types of 17 * descriptors 18 * @pkt_info0: Packet info word 0 (n/a in Buffer desc) 19 * @pkt_info0: Packet info word 1 (n/a in Buffer desc) 20 * @pkt_info0: Packet info word 2 (n/a in Buffer desc) 21 * @src_dst_tag: Packet info word 3 (n/a in Buffer desc) 22 */ 23struct cppi5_desc_hdr_t { 24 u32 pkt_info0; 25 u32 pkt_info1; 26 u32 pkt_info2; 27 u32 src_dst_tag; 28} __packed; 29 30/** 31 * struct cppi5_host_desc_t - Host-mode packet and buffer descriptor definition 32 * @hdr: Descriptor header 33 * @next_desc: word 4/5: Linking word 34 * @buf_ptr: word 6/7: Buffer pointer 35 * @buf_info1: word 8: Buffer valid data length 36 * @org_buf_len: word 9: Original buffer length 37 * @org_buf_ptr: word 10/11: Original buffer pointer 38 * @epib[0]: Extended Packet Info Data (optional, 4 words), and/or 39 * Protocol Specific Data (optional, 0-128 bytes in 40 * multiples of 4), and/or 41 * Other Software Data (0-N bytes, optional) 42 */ 43struct cppi5_host_desc_t { 44 struct cppi5_desc_hdr_t hdr; 45 u64 next_desc; 46 u64 buf_ptr; 47 u32 buf_info1; 48 u32 org_buf_len; 49 u64 org_buf_ptr; 50 u32 epib[]; 51} __packed; 52 53#define CPPI5_DESC_MIN_ALIGN (16U) 54 55#define CPPI5_INFO0_HDESC_EPIB_SIZE (16U) 56#define CPPI5_INFO0_HDESC_PSDATA_MAX_SIZE (128U) 57 58#define CPPI5_INFO0_HDESC_TYPE_SHIFT (30U) 59#define CPPI5_INFO0_HDESC_TYPE_MASK GENMASK(31, 30) 60#define CPPI5_INFO0_DESC_TYPE_VAL_HOST (1U) 61#define CPPI5_INFO0_DESC_TYPE_VAL_MONO (2U) 62#define CPPI5_INFO0_DESC_TYPE_VAL_TR (3U) 63#define CPPI5_INFO0_HDESC_EPIB_PRESENT BIT(29) 64/* 65 * Protocol Specific Words location: 66 * 0 - located in the descriptor, 67 * 1 = located in the SOP Buffer immediately prior to the data. 68 */ 69#define CPPI5_INFO0_HDESC_PSINFO_LOCATION BIT(28) 70#define CPPI5_INFO0_HDESC_PSINFO_SIZE_SHIFT (22U) 71#define CPPI5_INFO0_HDESC_PSINFO_SIZE_MASK GENMASK(27, 22) 72#define CPPI5_INFO0_HDESC_PKTLEN_SHIFT (0) 73#define CPPI5_INFO0_HDESC_PKTLEN_MASK GENMASK(21, 0) 74 75#define CPPI5_INFO1_DESC_PKTERROR_SHIFT (28U) 76#define CPPI5_INFO1_DESC_PKTERROR_MASK GENMASK(31, 28) 77#define CPPI5_INFO1_HDESC_PSFLGS_SHIFT (24U) 78#define CPPI5_INFO1_HDESC_PSFLGS_MASK GENMASK(27, 24) 79#define CPPI5_INFO1_DESC_PKTID_SHIFT (14U) 80#define CPPI5_INFO1_DESC_PKTID_MASK GENMASK(23, 14) 81#define CPPI5_INFO1_DESC_FLOWID_SHIFT (0) 82#define CPPI5_INFO1_DESC_FLOWID_MASK GENMASK(13, 0) 83#define CPPI5_INFO1_DESC_FLOWID_DEFAULT CPPI5_INFO1_DESC_FLOWID_MASK 84 85#define CPPI5_INFO2_HDESC_PKTTYPE_SHIFT (27U) 86#define CPPI5_INFO2_HDESC_PKTTYPE_MASK GENMASK(31, 27) 87/* Return Policy: 0 - Entire packet 1 - Each buffer */ 88#define CPPI5_INFO2_HDESC_RETPOLICY BIT(18) 89/* 90 * Early Return: 91 * 0 = desc pointers should be returned after all reads have been completed 92 * 1 = desc pointers should be returned immediately upon fetching 93 * the descriptor and beginning to transfer data. 94 */ 95#define CPPI5_INFO2_HDESC_EARLYRET BIT(17) 96/* 97 * Return Push Policy: 98 * 0 = Descriptor must be returned to tail of queue 99 * 1 = Descriptor must be returned to head of queue 100 */ 101#define CPPI5_INFO2_DESC_RETPUSHPOLICY BIT(16) 102#define CPPI5_INFO2_DESC_RETP_MASK GENMASK(18, 16) 103 104#define CPPI5_INFO2_DESC_RETQ_SHIFT (0) 105#define CPPI5_INFO2_DESC_RETQ_MASK GENMASK(15, 0) 106 107#define CPPI5_INFO3_DESC_SRCTAG_SHIFT (16U) 108#define CPPI5_INFO3_DESC_SRCTAG_MASK GENMASK(31, 16) 109#define CPPI5_INFO3_DESC_DSTTAG_SHIFT (0) 110#define CPPI5_INFO3_DESC_DSTTAG_MASK GENMASK(15, 0) 111 112#define CPPI5_BUFINFO1_HDESC_DATA_LEN_SHIFT (0) 113#define CPPI5_BUFINFO1_HDESC_DATA_LEN_MASK GENMASK(27, 0) 114 115#define CPPI5_OBUFINFO0_HDESC_BUF_LEN_SHIFT (0) 116#define CPPI5_OBUFINFO0_HDESC_BUF_LEN_MASK GENMASK(27, 0) 117 118/** 119 * struct cppi5_desc_epib_t - Host Packet Descriptor Extended Packet Info Block 120 * @timestamp: word 0: application specific timestamp 121 * @sw_info0: word 1: Software Info 0 122 * @sw_info1: word 1: Software Info 1 123 * @sw_info2: word 1: Software Info 2 124 */ 125struct cppi5_desc_epib_t { 126 u32 timestamp; /* w0: application specific timestamp */ 127 u32 sw_info0; /* w1: Software Info 0 */ 128 u32 sw_info1; /* w2: Software Info 1 */ 129 u32 sw_info2; /* w3: Software Info 2 */ 130}; 131 132/** 133 * struct cppi5_monolithic_desc_t - Monolithic-mode packet descriptor 134 * @hdr: Descriptor header 135 * @epib[0]: Extended Packet Info Data (optional, 4 words), and/or 136 * Protocol Specific Data (optional, 0-128 bytes in 137 * multiples of 4), and/or 138 * Other Software Data (0-N bytes, optional) 139 */ 140struct cppi5_monolithic_desc_t { 141 struct cppi5_desc_hdr_t hdr; 142 u32 epib[]; 143}; 144 145#define CPPI5_INFO2_MDESC_DATA_OFFSET_SHIFT (18U) 146#define CPPI5_INFO2_MDESC_DATA_OFFSET_MASK GENMASK(26, 18) 147 148/* 149 * Reload Count: 150 * 0 = Finish the packet and place the descriptor back on the return queue 151 * 1-0x1ff = Vector to the Reload Index and resume processing 152 * 0x1ff indicates perpetual loop, infinite reload until the channel is stopped 153 */ 154#define CPPI5_INFO0_TRDESC_RLDCNT_SHIFT (20U) 155#define CPPI5_INFO0_TRDESC_RLDCNT_MASK GENMASK(28, 20) 156#define CPPI5_INFO0_TRDESC_RLDCNT_MAX (0x1ff) 157#define CPPI5_INFO0_TRDESC_RLDCNT_INFINITE CPPI5_INFO0_TRDESC_RLDCNT_MAX 158#define CPPI5_INFO0_TRDESC_RLDIDX_SHIFT (14U) 159#define CPPI5_INFO0_TRDESC_RLDIDX_MASK GENMASK(19, 14) 160#define CPPI5_INFO0_TRDESC_RLDIDX_MAX (0x3f) 161#define CPPI5_INFO0_TRDESC_LASTIDX_SHIFT (0) 162#define CPPI5_INFO0_TRDESC_LASTIDX_MASK GENMASK(13, 0) 163 164#define CPPI5_INFO1_TRDESC_RECSIZE_SHIFT (24U) 165#define CPPI5_INFO1_TRDESC_RECSIZE_MASK GENMASK(26, 24) 166#define CPPI5_INFO1_TRDESC_RECSIZE_VAL_16B (0) 167#define CPPI5_INFO1_TRDESC_RECSIZE_VAL_32B (1U) 168#define CPPI5_INFO1_TRDESC_RECSIZE_VAL_64B (2U) 169#define CPPI5_INFO1_TRDESC_RECSIZE_VAL_128B (3U) 170 171static inline void cppi5_desc_dump(void *desc, u32 size) 172{ 173 print_hex_dump(KERN_ERR, "dump udmap_desc: ", DUMP_PREFIX_NONE, 174 32, 4, desc, size, false); 175} 176 177#define CPPI5_TDCM_MARKER (0x1) 178/** 179 * cppi5_desc_is_tdcm - check if the paddr indicates Teardown Complete Message 180 * @paddr: Physical address of the packet popped from the ring 181 * 182 * Returns true if the address indicates TDCM 183 */ 184static inline bool cppi5_desc_is_tdcm(dma_addr_t paddr) 185{ 186 return (paddr & CPPI5_TDCM_MARKER) ? true : false; 187} 188 189/** 190 * cppi5_desc_get_type - get descriptor type 191 * @desc_hdr: packet descriptor/TR header 192 * 193 * Returns descriptor type: 194 * CPPI5_INFO0_DESC_TYPE_VAL_HOST 195 * CPPI5_INFO0_DESC_TYPE_VAL_MONO 196 * CPPI5_INFO0_DESC_TYPE_VAL_TR 197 */ 198static inline u32 cppi5_desc_get_type(struct cppi5_desc_hdr_t *desc_hdr) 199{ 200 return (desc_hdr->pkt_info0 & CPPI5_INFO0_HDESC_TYPE_MASK) >> 201 CPPI5_INFO0_HDESC_TYPE_SHIFT; 202} 203 204/** 205 * cppi5_desc_get_errflags - get Error Flags from Desc 206 * @desc_hdr: packet/TR descriptor header 207 * 208 * Returns Error Flags from Packet/TR Descriptor 209 */ 210static inline u32 cppi5_desc_get_errflags(struct cppi5_desc_hdr_t *desc_hdr) 211{ 212 return (desc_hdr->pkt_info1 & CPPI5_INFO1_DESC_PKTERROR_MASK) >> 213 CPPI5_INFO1_DESC_PKTERROR_SHIFT; 214} 215 216/** 217 * cppi5_desc_get_pktids - get Packet and Flow ids from Desc 218 * @desc_hdr: packet/TR descriptor header 219 * @pkt_id: Packet ID 220 * @flow_id: Flow ID 221 * 222 * Returns Packet and Flow ids from packet/TR descriptor 223 */ 224static inline void cppi5_desc_get_pktids(struct cppi5_desc_hdr_t *desc_hdr, 225 u32 *pkt_id, u32 *flow_id) 226{ 227 *pkt_id = (desc_hdr->pkt_info1 & CPPI5_INFO1_DESC_PKTID_MASK) >> 228 CPPI5_INFO1_DESC_PKTID_SHIFT; 229 *flow_id = (desc_hdr->pkt_info1 & CPPI5_INFO1_DESC_FLOWID_MASK) >> 230 CPPI5_INFO1_DESC_FLOWID_SHIFT; 231} 232 233/** 234 * cppi5_desc_set_pktids - set Packet and Flow ids in Desc 235 * @desc_hdr: packet/TR descriptor header 236 * @pkt_id: Packet ID 237 * @flow_id: Flow ID 238 */ 239static inline void cppi5_desc_set_pktids(struct cppi5_desc_hdr_t *desc_hdr, 240 u32 pkt_id, u32 flow_id) 241{ 242 desc_hdr->pkt_info1 &= ~(CPPI5_INFO1_DESC_PKTID_MASK | 243 CPPI5_INFO1_DESC_FLOWID_MASK); 244 desc_hdr->pkt_info1 |= (pkt_id << CPPI5_INFO1_DESC_PKTID_SHIFT) & 245 CPPI5_INFO1_DESC_PKTID_MASK; 246 desc_hdr->pkt_info1 |= (flow_id << CPPI5_INFO1_DESC_FLOWID_SHIFT) & 247 CPPI5_INFO1_DESC_FLOWID_MASK; 248} 249 250/** 251 * cppi5_desc_set_retpolicy - set Packet Return Policy in Desc 252 * @desc_hdr: packet/TR descriptor header 253 * @flags: fags, supported values 254 * CPPI5_INFO2_HDESC_RETPOLICY 255 * CPPI5_INFO2_HDESC_EARLYRET 256 * CPPI5_INFO2_DESC_RETPUSHPOLICY 257 * @return_ring_id: Packet Return Queue/Ring id, value 0xFFFF reserved 258 */ 259static inline void cppi5_desc_set_retpolicy(struct cppi5_desc_hdr_t *desc_hdr, 260 u32 flags, u32 return_ring_id) 261{ 262 desc_hdr->pkt_info2 &= ~(CPPI5_INFO2_DESC_RETP_MASK | 263 CPPI5_INFO2_DESC_RETQ_MASK); 264 desc_hdr->pkt_info2 |= flags & CPPI5_INFO2_DESC_RETP_MASK; 265 desc_hdr->pkt_info2 |= return_ring_id & CPPI5_INFO2_DESC_RETQ_MASK; 266} 267 268/** 269 * cppi5_desc_get_tags_ids - get Packet Src/Dst Tags from Desc 270 * @desc_hdr: packet/TR descriptor header 271 * @src_tag_id: Source Tag 272 * @dst_tag_id: Dest Tag 273 * 274 * Returns Packet Src/Dst Tags from packet/TR descriptor 275 */ 276static inline void cppi5_desc_get_tags_ids(struct cppi5_desc_hdr_t *desc_hdr, 277 u32 *src_tag_id, u32 *dst_tag_id) 278{ 279 if (src_tag_id) 280 *src_tag_id = (desc_hdr->src_dst_tag & 281 CPPI5_INFO3_DESC_SRCTAG_MASK) >> 282 CPPI5_INFO3_DESC_SRCTAG_SHIFT; 283 if (dst_tag_id) 284 *dst_tag_id = desc_hdr->src_dst_tag & 285 CPPI5_INFO3_DESC_DSTTAG_MASK; 286} 287 288/** 289 * cppi5_desc_set_tags_ids - set Packet Src/Dst Tags in HDesc 290 * @desc_hdr: packet/TR descriptor header 291 * @src_tag_id: Source Tag 292 * @dst_tag_id: Dest Tag 293 * 294 * Returns Packet Src/Dst Tags from packet/TR descriptor 295 */ 296static inline void cppi5_desc_set_tags_ids(struct cppi5_desc_hdr_t *desc_hdr, 297 u32 src_tag_id, u32 dst_tag_id) 298{ 299 desc_hdr->src_dst_tag = (src_tag_id << CPPI5_INFO3_DESC_SRCTAG_SHIFT) & 300 CPPI5_INFO3_DESC_SRCTAG_MASK; 301 desc_hdr->src_dst_tag |= dst_tag_id & CPPI5_INFO3_DESC_DSTTAG_MASK; 302} 303 304/** 305 * cppi5_hdesc_calc_size - Calculate Host Packet Descriptor size 306 * @epib: is EPIB present 307 * @psdata_size: PSDATA size 308 * @sw_data_size: SWDATA size 309 * 310 * Returns required Host Packet Descriptor size 311 * 0 - if PSDATA > CPPI5_INFO0_HDESC_PSDATA_MAX_SIZE 312 */ 313static inline u32 cppi5_hdesc_calc_size(bool epib, u32 psdata_size, 314 u32 sw_data_size) 315{ 316 u32 desc_size; 317 318 if (psdata_size > CPPI5_INFO0_HDESC_PSDATA_MAX_SIZE) 319 return 0; 320 321 desc_size = sizeof(struct cppi5_host_desc_t) + psdata_size + 322 sw_data_size; 323 324 if (epib) 325 desc_size += CPPI5_INFO0_HDESC_EPIB_SIZE; 326 327 return ALIGN(desc_size, CPPI5_DESC_MIN_ALIGN); 328} 329 330/** 331 * cppi5_hdesc_init - Init Host Packet Descriptor size 332 * @desc: Host packet descriptor 333 * @flags: supported values 334 * CPPI5_INFO0_HDESC_EPIB_PRESENT 335 * CPPI5_INFO0_HDESC_PSINFO_LOCATION 336 * @psdata_size: PSDATA size 337 * 338 * Returns required Host Packet Descriptor size 339 * 0 - if PSDATA > CPPI5_INFO0_HDESC_PSDATA_MAX_SIZE 340 */ 341static inline void cppi5_hdesc_init(struct cppi5_host_desc_t *desc, u32 flags, 342 u32 psdata_size) 343{ 344 desc->hdr.pkt_info0 = (CPPI5_INFO0_DESC_TYPE_VAL_HOST << 345 CPPI5_INFO0_HDESC_TYPE_SHIFT) | (flags); 346 desc->hdr.pkt_info0 |= ((psdata_size >> 2) << 347 CPPI5_INFO0_HDESC_PSINFO_SIZE_SHIFT) & 348 CPPI5_INFO0_HDESC_PSINFO_SIZE_MASK; 349 desc->next_desc = 0; 350} 351 352/** 353 * cppi5_hdesc_update_flags - Replace descriptor flags 354 * @desc: Host packet descriptor 355 * @flags: supported values 356 * CPPI5_INFO0_HDESC_EPIB_PRESENT 357 * CPPI5_INFO0_HDESC_PSINFO_LOCATION 358 */ 359static inline void cppi5_hdesc_update_flags(struct cppi5_host_desc_t *desc, 360 u32 flags) 361{ 362 desc->hdr.pkt_info0 &= ~(CPPI5_INFO0_HDESC_EPIB_PRESENT | 363 CPPI5_INFO0_HDESC_PSINFO_LOCATION); 364 desc->hdr.pkt_info0 |= flags; 365} 366 367/** 368 * cppi5_hdesc_update_psdata_size - Replace PSdata size 369 * @desc: Host packet descriptor 370 * @psdata_size: PSDATA size 371 */ 372static inline void 373cppi5_hdesc_update_psdata_size(struct cppi5_host_desc_t *desc, u32 psdata_size) 374{ 375 desc->hdr.pkt_info0 &= ~CPPI5_INFO0_HDESC_PSINFO_SIZE_MASK; 376 desc->hdr.pkt_info0 |= ((psdata_size >> 2) << 377 CPPI5_INFO0_HDESC_PSINFO_SIZE_SHIFT) & 378 CPPI5_INFO0_HDESC_PSINFO_SIZE_MASK; 379} 380 381/** 382 * cppi5_hdesc_get_psdata_size - get PSdata size in bytes 383 * @desc: Host packet descriptor 384 */ 385static inline u32 cppi5_hdesc_get_psdata_size(struct cppi5_host_desc_t *desc) 386{ 387 u32 psdata_size = 0; 388 389 if (!(desc->hdr.pkt_info0 & CPPI5_INFO0_HDESC_PSINFO_LOCATION)) 390 psdata_size = (desc->hdr.pkt_info0 & 391 CPPI5_INFO0_HDESC_PSINFO_SIZE_MASK) >> 392 CPPI5_INFO0_HDESC_PSINFO_SIZE_SHIFT; 393 394 return (psdata_size << 2); 395} 396 397/** 398 * cppi5_hdesc_get_pktlen - get Packet Length from HDesc 399 * @desc: Host packet descriptor 400 * 401 * Returns Packet Length from Host Packet Descriptor 402 */ 403static inline u32 cppi5_hdesc_get_pktlen(struct cppi5_host_desc_t *desc) 404{ 405 return (desc->hdr.pkt_info0 & CPPI5_INFO0_HDESC_PKTLEN_MASK); 406} 407 408/** 409 * cppi5_hdesc_set_pktlen - set Packet Length in HDesc 410 * @desc: Host packet descriptor 411 */ 412static inline void cppi5_hdesc_set_pktlen(struct cppi5_host_desc_t *desc, 413 u32 pkt_len) 414{ 415 desc->hdr.pkt_info0 &= ~CPPI5_INFO0_HDESC_PKTLEN_MASK; 416 desc->hdr.pkt_info0 |= (pkt_len & CPPI5_INFO0_HDESC_PKTLEN_MASK); 417} 418 419/** 420 * cppi5_hdesc_get_psflags - get Protocol Specific Flags from HDesc 421 * @desc: Host packet descriptor 422 * 423 * Returns Protocol Specific Flags from Host Packet Descriptor 424 */ 425static inline u32 cppi5_hdesc_get_psflags(struct cppi5_host_desc_t *desc) 426{ 427 return (desc->hdr.pkt_info1 & CPPI5_INFO1_HDESC_PSFLGS_MASK) >> 428 CPPI5_INFO1_HDESC_PSFLGS_SHIFT; 429} 430 431/** 432 * cppi5_hdesc_set_psflags - set Protocol Specific Flags in HDesc 433 * @desc: Host packet descriptor 434 */ 435static inline void cppi5_hdesc_set_psflags(struct cppi5_host_desc_t *desc, 436 u32 ps_flags) 437{ 438 desc->hdr.pkt_info1 &= ~CPPI5_INFO1_HDESC_PSFLGS_MASK; 439 desc->hdr.pkt_info1 |= (ps_flags << 440 CPPI5_INFO1_HDESC_PSFLGS_SHIFT) & 441 CPPI5_INFO1_HDESC_PSFLGS_MASK; 442} 443 444/** 445 * cppi5_hdesc_get_errflags - get Packet Type from HDesc 446 * @desc: Host packet descriptor 447 */ 448static inline u32 cppi5_hdesc_get_pkttype(struct cppi5_host_desc_t *desc) 449{ 450 return (desc->hdr.pkt_info2 & CPPI5_INFO2_HDESC_PKTTYPE_MASK) >> 451 CPPI5_INFO2_HDESC_PKTTYPE_SHIFT; 452} 453 454/** 455 * cppi5_hdesc_get_errflags - set Packet Type in HDesc 456 * @desc: Host packet descriptor 457 * @pkt_type: Packet Type 458 */ 459static inline void cppi5_hdesc_set_pkttype(struct cppi5_host_desc_t *desc, 460 u32 pkt_type) 461{ 462 desc->hdr.pkt_info2 &= ~CPPI5_INFO2_HDESC_PKTTYPE_MASK; 463 desc->hdr.pkt_info2 |= 464 (pkt_type << CPPI5_INFO2_HDESC_PKTTYPE_SHIFT) & 465 CPPI5_INFO2_HDESC_PKTTYPE_MASK; 466} 467 468/** 469 * cppi5_hdesc_attach_buf - attach buffer to HDesc 470 * @desc: Host packet descriptor 471 * @buf: Buffer physical address 472 * @buf_data_len: Buffer length 473 * @obuf: Original Buffer physical address 474 * @obuf_len: Original Buffer length 475 * 476 * Attaches buffer to Host Packet Descriptor 477 */ 478static inline void cppi5_hdesc_attach_buf(struct cppi5_host_desc_t *desc, 479 dma_addr_t buf, u32 buf_data_len, 480 dma_addr_t obuf, u32 obuf_len) 481{ 482 desc->buf_ptr = buf; 483 desc->buf_info1 = buf_data_len & CPPI5_BUFINFO1_HDESC_DATA_LEN_MASK; 484 desc->org_buf_ptr = obuf; 485 desc->org_buf_len = obuf_len & CPPI5_OBUFINFO0_HDESC_BUF_LEN_MASK; 486} 487 488static inline void cppi5_hdesc_get_obuf(struct cppi5_host_desc_t *desc, 489 dma_addr_t *obuf, u32 *obuf_len) 490{ 491 *obuf = desc->org_buf_ptr; 492 *obuf_len = desc->org_buf_len & CPPI5_OBUFINFO0_HDESC_BUF_LEN_MASK; 493} 494 495static inline void cppi5_hdesc_reset_to_original(struct cppi5_host_desc_t *desc) 496{ 497 desc->buf_ptr = desc->org_buf_ptr; 498 desc->buf_info1 = desc->org_buf_len; 499} 500 501/** 502 * cppi5_hdesc_link_hbdesc - link Host Buffer Descriptor to HDesc 503 * @desc: Host Packet Descriptor 504 * @buf_desc: Host Buffer Descriptor physical address 505 * 506 * add and link Host Buffer Descriptor to HDesc 507 */ 508static inline void cppi5_hdesc_link_hbdesc(struct cppi5_host_desc_t *desc, 509 dma_addr_t hbuf_desc) 510{ 511 desc->next_desc = hbuf_desc; 512} 513 514static inline dma_addr_t 515cppi5_hdesc_get_next_hbdesc(struct cppi5_host_desc_t *desc) 516{ 517 return (dma_addr_t)desc->next_desc; 518} 519 520static inline void cppi5_hdesc_reset_hbdesc(struct cppi5_host_desc_t *desc) 521{ 522 desc->hdr = (struct cppi5_desc_hdr_t) { 0 }; 523 desc->next_desc = 0; 524} 525 526/** 527 * cppi5_hdesc_epib_present - check if EPIB present 528 * @desc_hdr: packet descriptor/TR header 529 * 530 * Returns true if EPIB present in the packet 531 */ 532static inline bool cppi5_hdesc_epib_present(struct cppi5_desc_hdr_t *desc_hdr) 533{ 534 return !!(desc_hdr->pkt_info0 & CPPI5_INFO0_HDESC_EPIB_PRESENT); 535} 536 537/** 538 * cppi5_hdesc_get_psdata - Get pointer on PSDATA 539 * @desc: Host packet descriptor 540 * 541 * Returns pointer on PSDATA in HDesc. 542 * NULL - if ps_data placed at the start of data buffer. 543 */ 544static inline void *cppi5_hdesc_get_psdata(struct cppi5_host_desc_t *desc) 545{ 546 u32 psdata_size; 547 void *psdata; 548 549 if (desc->hdr.pkt_info0 & CPPI5_INFO0_HDESC_PSINFO_LOCATION) 550 return NULL; 551 552 psdata_size = (desc->hdr.pkt_info0 & 553 CPPI5_INFO0_HDESC_PSINFO_SIZE_MASK) >> 554 CPPI5_INFO0_HDESC_PSINFO_SIZE_SHIFT; 555 556 if (!psdata_size) 557 return NULL; 558 559 psdata = &desc->epib; 560 561 if (cppi5_hdesc_epib_present(&desc->hdr)) 562 psdata += CPPI5_INFO0_HDESC_EPIB_SIZE; 563 564 return psdata; 565} 566 567/** 568 * cppi5_hdesc_get_swdata - Get pointer on swdata 569 * @desc: Host packet descriptor 570 * 571 * Returns pointer on SWDATA in HDesc. 572 * NOTE. It's caller responsibility to be sure hdesc actually has swdata. 573 */ 574static inline void *cppi5_hdesc_get_swdata(struct cppi5_host_desc_t *desc) 575{ 576 u32 psdata_size = 0; 577 void *swdata; 578 579 if (!(desc->hdr.pkt_info0 & CPPI5_INFO0_HDESC_PSINFO_LOCATION)) 580 psdata_size = (desc->hdr.pkt_info0 & 581 CPPI5_INFO0_HDESC_PSINFO_SIZE_MASK) >> 582 CPPI5_INFO0_HDESC_PSINFO_SIZE_SHIFT; 583 584 swdata = &desc->epib; 585 586 if (cppi5_hdesc_epib_present(&desc->hdr)) 587 swdata += CPPI5_INFO0_HDESC_EPIB_SIZE; 588 589 swdata += (psdata_size << 2); 590 591 return swdata; 592} 593 594/* ================================== TR ================================== */ 595 596#define CPPI5_TR_TYPE_SHIFT (0U) 597#define CPPI5_TR_TYPE_MASK GENMASK(3, 0) 598#define CPPI5_TR_STATIC BIT(4) 599#define CPPI5_TR_WAIT BIT(5) 600#define CPPI5_TR_EVENT_SIZE_SHIFT (6U) 601#define CPPI5_TR_EVENT_SIZE_MASK GENMASK(7, 6) 602#define CPPI5_TR_TRIGGER0_SHIFT (8U) 603#define CPPI5_TR_TRIGGER0_MASK GENMASK(9, 8) 604#define CPPI5_TR_TRIGGER0_TYPE_SHIFT (10U) 605#define CPPI5_TR_TRIGGER0_TYPE_MASK GENMASK(11, 10) 606#define CPPI5_TR_TRIGGER1_SHIFT (12U) 607#define CPPI5_TR_TRIGGER1_MASK GENMASK(13, 12) 608#define CPPI5_TR_TRIGGER1_TYPE_SHIFT (14U) 609#define CPPI5_TR_TRIGGER1_TYPE_MASK GENMASK(15, 14) 610#define CPPI5_TR_CMD_ID_SHIFT (16U) 611#define CPPI5_TR_CMD_ID_MASK GENMASK(23, 16) 612#define CPPI5_TR_CSF_FLAGS_SHIFT (24U) 613#define CPPI5_TR_CSF_FLAGS_MASK GENMASK(31, 24) 614#define CPPI5_TR_CSF_SA_INDIRECT BIT(0) 615#define CPPI5_TR_CSF_DA_INDIRECT BIT(1) 616#define CPPI5_TR_CSF_SUPR_EVT BIT(2) 617#define CPPI5_TR_CSF_EOL_ADV_SHIFT (4U) 618#define CPPI5_TR_CSF_EOL_ADV_MASK GENMASK(6, 4) 619#define CPPI5_TR_CSF_EOP BIT(7) 620 621/** 622 * enum cppi5_tr_types - TR types 623 * @CPPI5_TR_TYPE0: One dimensional data move 624 * @CPPI5_TR_TYPE1: Two dimensional data move 625 * @CPPI5_TR_TYPE2: Three dimensional data move 626 * @CPPI5_TR_TYPE3: Four dimensional data move 627 * @CPPI5_TR_TYPE4: Four dimensional data move with data formatting 628 * @CPPI5_TR_TYPE5: Four dimensional Cache Warm 629 * @CPPI5_TR_TYPE8: Four Dimensional Block Move 630 * @CPPI5_TR_TYPE9: Four Dimensional Block Move with Repacking 631 * @CPPI5_TR_TYPE10: Two Dimensional Block Move 632 * @CPPI5_TR_TYPE11: Two Dimensional Block Move with Repacking 633 * @CPPI5_TR_TYPE15: Four Dimensional Block Move with Repacking and 634 * Indirection 635 */ 636enum cppi5_tr_types { 637 CPPI5_TR_TYPE0 = 0, 638 CPPI5_TR_TYPE1, 639 CPPI5_TR_TYPE2, 640 CPPI5_TR_TYPE3, 641 CPPI5_TR_TYPE4, 642 CPPI5_TR_TYPE5, 643 /* type6-7: Reserved */ 644 CPPI5_TR_TYPE8 = 8, 645 CPPI5_TR_TYPE9, 646 CPPI5_TR_TYPE10, 647 CPPI5_TR_TYPE11, 648 /* type12-14: Reserved */ 649 CPPI5_TR_TYPE15 = 15, 650 CPPI5_TR_TYPE_MAX 651}; 652 653/** 654 * enum cppi5_tr_event_size - TR Flags EVENT_SIZE field specifies when an event 655 * is generated for each TR. 656 * @CPPI5_TR_EVENT_SIZE_COMPLETION: When TR is complete and all status for 657 * the TR has been received 658 * @CPPI5_TR_EVENT_SIZE_ICNT1_DEC: Type 0: when the last data transaction 659 * is sent for the TR 660 * Type 1-11: when ICNT1 is decremented 661 * @CPPI5_TR_EVENT_SIZE_ICNT2_DEC: Type 0-1,10-11: when the last data 662 * transaction is sent for the TR 663 * All other types: when ICNT2 is 664 * decremented 665 * @CPPI5_TR_EVENT_SIZE_ICNT3_DEC: Type 0-2,10-11: when the last data 666 * transaction is sent for the TR 667 * All other types: when ICNT3 is 668 * decremented 669 */ 670enum cppi5_tr_event_size { 671 CPPI5_TR_EVENT_SIZE_COMPLETION, 672 CPPI5_TR_EVENT_SIZE_ICNT1_DEC, 673 CPPI5_TR_EVENT_SIZE_ICNT2_DEC, 674 CPPI5_TR_EVENT_SIZE_ICNT3_DEC, 675 CPPI5_TR_EVENT_SIZE_MAX 676}; 677 678/** 679 * enum cppi5_tr_trigger - TR Flags TRIGGERx field specifies the type of trigger 680 * used to enable the TR to transfer data as specified 681 * by TRIGGERx_TYPE field. 682 * @CPPI5_TR_TRIGGER_NONE: No trigger 683 * @CPPI5_TR_TRIGGER_GLOBAL0: Global trigger 0 684 * @CPPI5_TR_TRIGGER_GLOBAL1: Global trigger 1 685 * @CPPI5_TR_TRIGGER_LOCAL_EVENT: Local Event 686 */ 687enum cppi5_tr_trigger { 688 CPPI5_TR_TRIGGER_NONE, 689 CPPI5_TR_TRIGGER_GLOBAL0, 690 CPPI5_TR_TRIGGER_GLOBAL1, 691 CPPI5_TR_TRIGGER_LOCAL_EVENT, 692 CPPI5_TR_TRIGGER_MAX 693}; 694 695/** 696 * enum cppi5_tr_trigger_type - TR Flags TRIGGERx_TYPE field specifies the type 697 * of data transfer that will be enabled by 698 * receiving a trigger as specified by TRIGGERx. 699 * @CPPI5_TR_TRIGGER_TYPE_ICNT1_DEC: The second inner most loop (ICNT1) will 700 * be decremented by 1 701 * @CPPI5_TR_TRIGGER_TYPE_ICNT2_DEC: The third inner most loop (ICNT2) will 702 * be decremented by 1 703 * @CPPI5_TR_TRIGGER_TYPE_ICNT3_DEC: The outer most loop (ICNT3) will be 704 * decremented by 1 705 * @CPPI5_TR_TRIGGER_TYPE_ALL: The entire TR will be allowed to 706 * complete 707 */ 708enum cppi5_tr_trigger_type { 709 CPPI5_TR_TRIGGER_TYPE_ICNT1_DEC, 710 CPPI5_TR_TRIGGER_TYPE_ICNT2_DEC, 711 CPPI5_TR_TRIGGER_TYPE_ICNT3_DEC, 712 CPPI5_TR_TRIGGER_TYPE_ALL, 713 CPPI5_TR_TRIGGER_TYPE_MAX 714}; 715 716typedef u32 cppi5_tr_flags_t; 717 718/** 719 * struct cppi5_tr_type0_t - Type 0 (One dimensional data move) TR (16 byte) 720 * @flags: TR flags (type, triggers, event, configuration) 721 * @icnt0: Total loop iteration count for level 0 (innermost) 722 * @_reserved: Not used 723 * @addr: Starting address for the source data or destination data 724 */ 725struct cppi5_tr_type0_t { 726 cppi5_tr_flags_t flags; 727 u16 icnt0; 728 u16 _reserved; 729 u64 addr; 730} __aligned(16) __packed; 731 732/** 733 * struct cppi5_tr_type1_t - Type 1 (Two dimensional data move) TR (32 byte) 734 * @flags: TR flags (type, triggers, event, configuration) 735 * @icnt0: Total loop iteration count for level 0 (innermost) 736 * @icnt1: Total loop iteration count for level 1 737 * @addr: Starting address for the source data or destination data 738 * @dim1: Signed dimension for loop level 1 739 */ 740struct cppi5_tr_type1_t { 741 cppi5_tr_flags_t flags; 742 u16 icnt0; 743 u16 icnt1; 744 u64 addr; 745 s32 dim1; 746} __aligned(32) __packed; 747 748/** 749 * struct cppi5_tr_type2_t - Type 2 (Three dimensional data move) TR (32 byte) 750 * @flags: TR flags (type, triggers, event, configuration) 751 * @icnt0: Total loop iteration count for level 0 (innermost) 752 * @icnt1: Total loop iteration count for level 1 753 * @addr: Starting address for the source data or destination data 754 * @dim1: Signed dimension for loop level 1 755 * @icnt2: Total loop iteration count for level 2 756 * @_reserved: Not used 757 * @dim2: Signed dimension for loop level 2 758 */ 759struct cppi5_tr_type2_t { 760 cppi5_tr_flags_t flags; 761 u16 icnt0; 762 u16 icnt1; 763 u64 addr; 764 s32 dim1; 765 u16 icnt2; 766 u16 _reserved; 767 s32 dim2; 768} __aligned(32) __packed; 769 770/** 771 * struct cppi5_tr_type3_t - Type 3 (Four dimensional data move) TR (32 byte) 772 * @flags: TR flags (type, triggers, event, configuration) 773 * @icnt0: Total loop iteration count for level 0 (innermost) 774 * @icnt1: Total loop iteration count for level 1 775 * @addr: Starting address for the source data or destination data 776 * @dim1: Signed dimension for loop level 1 777 * @icnt2: Total loop iteration count for level 2 778 * @icnt3: Total loop iteration count for level 3 (outermost) 779 * @dim2: Signed dimension for loop level 2 780 * @dim3: Signed dimension for loop level 3 781 */ 782struct cppi5_tr_type3_t { 783 cppi5_tr_flags_t flags; 784 u16 icnt0; 785 u16 icnt1; 786 u64 addr; 787 s32 dim1; 788 u16 icnt2; 789 u16 icnt3; 790 s32 dim2; 791 s32 dim3; 792} __aligned(32) __packed; 793 794/** 795 * struct cppi5_tr_type15_t - Type 15 (Four Dimensional Block Copy with 796 * Repacking and Indirection Support) TR (64 byte) 797 * @flags: TR flags (type, triggers, event, configuration) 798 * @icnt0: Total loop iteration count for level 0 (innermost) for 799 * source 800 * @icnt1: Total loop iteration count for level 1 for source 801 * @addr: Starting address for the source data 802 * @dim1: Signed dimension for loop level 1 for source 803 * @icnt2: Total loop iteration count for level 2 for source 804 * @icnt3: Total loop iteration count for level 3 (outermost) for 805 * source 806 * @dim2: Signed dimension for loop level 2 for source 807 * @dim3: Signed dimension for loop level 3 for source 808 * @_reserved: Not used 809 * @ddim1: Signed dimension for loop level 1 for destination 810 * @daddr: Starting address for the destination data 811 * @ddim2: Signed dimension for loop level 2 for destination 812 * @ddim3: Signed dimension for loop level 3 for destination 813 * @dicnt0: Total loop iteration count for level 0 (innermost) for 814 * destination 815 * @dicnt1: Total loop iteration count for level 1 for destination 816 * @dicnt2: Total loop iteration count for level 2 for destination 817 * @sicnt3: Total loop iteration count for level 3 (outermost) for 818 * destination 819 */ 820struct cppi5_tr_type15_t { 821 cppi5_tr_flags_t flags; 822 u16 icnt0; 823 u16 icnt1; 824 u64 addr; 825 s32 dim1; 826 u16 icnt2; 827 u16 icnt3; 828 s32 dim2; 829 s32 dim3; 830 u32 _reserved; 831 s32 ddim1; 832 u64 daddr; 833 s32 ddim2; 834 s32 ddim3; 835 u16 dicnt0; 836 u16 dicnt1; 837 u16 dicnt2; 838 u16 dicnt3; 839} __aligned(64) __packed; 840 841/** 842 * struct cppi5_tr_resp_t - TR response record 843 * @status: Status type and info 844 * @_reserved: Not used 845 * @cmd_id: Command ID for the TR for TR identification 846 * @flags: Configuration Specific Flags 847 */ 848struct cppi5_tr_resp_t { 849 u8 status; 850 u8 _reserved; 851 u8 cmd_id; 852 u8 flags; 853} __packed; 854 855#define CPPI5_TR_RESPONSE_STATUS_TYPE_SHIFT (0U) 856#define CPPI5_TR_RESPONSE_STATUS_TYPE_MASK GENMASK(3, 0) 857#define CPPI5_TR_RESPONSE_STATUS_INFO_SHIFT (4U) 858#define CPPI5_TR_RESPONSE_STATUS_INFO_MASK GENMASK(7, 4) 859#define CPPI5_TR_RESPONSE_CMDID_SHIFT (16U) 860#define CPPI5_TR_RESPONSE_CMDID_MASK GENMASK(23, 16) 861#define CPPI5_TR_RESPONSE_CFG_SPECIFIC_SHIFT (24U) 862#define CPPI5_TR_RESPONSE_CFG_SPECIFIC_MASK GENMASK(31, 24) 863 864/** 865 * enum cppi5_tr_resp_status_type - TR Response Status Type field is used to 866 * determine what type of status is being 867 * returned. 868 * @CPPI5_TR_RESPONSE_STATUS_NONE: No error, completion: completed 869 * @CPPI5_TR_RESPONSE_STATUS_TRANSFER_ERR: Transfer Error, completion: none 870 * or partially completed 871 * @CPPI5_TR_RESPONSE_STATUS_ABORTED_ERR: Aborted Error, completion: none 872 * or partially completed 873 * @CPPI5_TR_RESPONSE_STATUS_SUBMISSION_ERR: Submission Error, completion: 874 * none 875 * @CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_ERR: Unsupported Error, completion: 876 * none 877 * @CPPI5_TR_RESPONSE_STATUS_TRANSFER_EXCEPTION: Transfer Exception, completion: 878 * partially completed 879 * @CPPI5_TR_RESPONSE_STATUS__TEARDOWN_FLUSH: Teardown Flush, completion: none 880 */ 881enum cppi5_tr_resp_status_type { 882 CPPI5_TR_RESPONSE_STATUS_NONE, 883 CPPI5_TR_RESPONSE_STATUS_TRANSFER_ERR, 884 CPPI5_TR_RESPONSE_STATUS_ABORTED_ERR, 885 CPPI5_TR_RESPONSE_STATUS_SUBMISSION_ERR, 886 CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_ERR, 887 CPPI5_TR_RESPONSE_STATUS_TRANSFER_EXCEPTION, 888 CPPI5_TR_RESPONSE_STATUS__TEARDOWN_FLUSH, 889 CPPI5_TR_RESPONSE_STATUS_MAX 890}; 891 892/** 893 * enum cppi5_tr_resp_status_submission - TR Response Status field values which 894 * corresponds Submission Error 895 * @CPPI5_TR_RESPONSE_STATUS_SUBMISSION_ICNT0: ICNT0 was 0 896 * @CPPI5_TR_RESPONSE_STATUS_SUBMISSION_FIFO_FULL: Channel FIFO was full when TR 897 * received 898 * @CPPI5_TR_RESPONSE_STATUS_SUBMISSION_OWN: Channel is not owned by the 899 * submitter 900 */ 901enum cppi5_tr_resp_status_submission { 902 CPPI5_TR_RESPONSE_STATUS_SUBMISSION_ICNT0, 903 CPPI5_TR_RESPONSE_STATUS_SUBMISSION_FIFO_FULL, 904 CPPI5_TR_RESPONSE_STATUS_SUBMISSION_OWN, 905 CPPI5_TR_RESPONSE_STATUS_SUBMISSION_MAX 906}; 907 908/** 909 * enum cppi5_tr_resp_status_unsupported - TR Response Status field values which 910 * corresponds Unsupported Error 911 * @CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_TR_TYPE: TR Type not supported 912 * @CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_STATIC: STATIC not supported 913 * @CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_EOL: EOL not supported 914 * @CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_CFG_SPECIFIC: CONFIGURATION SPECIFIC 915 * not supported 916 * @CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_AMODE: AMODE not supported 917 * @CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_ELTYPE: ELTYPE not supported 918 * @CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_DFMT: DFMT not supported 919 * @CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_SECTR: SECTR not supported 920 * @CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_AMODE_SPECIFIC: AMODE SPECIFIC field 921 * not supported 922 */ 923enum cppi5_tr_resp_status_unsupported { 924 CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_TR_TYPE, 925 CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_STATIC, 926 CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_EOL, 927 CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_CFG_SPECIFIC, 928 CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_AMODE, 929 CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_ELTYPE, 930 CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_DFMT, 931 CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_SECTR, 932 CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_AMODE_SPECIFIC, 933 CPPI5_TR_RESPONSE_STATUS_UNSUPPORTED_MAX 934}; 935 936/** 937 * cppi5_trdesc_calc_size - Calculate TR Descriptor size 938 * @tr_count: number of TR records 939 * @tr_size: Nominal size of TR record (max) [16, 32, 64, 128] 940 * 941 * Returns required TR Descriptor size 942 */ 943static inline size_t cppi5_trdesc_calc_size(u32 tr_count, u32 tr_size) 944{ 945 /* 946 * The Size of a TR descriptor is: 947 * 1 x tr_size : the first 16 bytes is used by the packet info block + 948 * tr_count x tr_size : Transfer Request Records + 949 * tr_count x sizeof(struct cppi5_tr_resp_t) : Transfer Response Records 950 */ 951 return tr_size * (tr_count + 1) + 952 sizeof(struct cppi5_tr_resp_t) * tr_count; 953} 954 955/** 956 * cppi5_trdesc_init - Init TR Descriptor 957 * @desc: TR Descriptor 958 * @tr_count: number of TR records 959 * @tr_size: Nominal size of TR record (max) [16, 32, 64, 128] 960 * @reload_idx: Absolute index to jump to on the 2nd and following passes 961 * through the TR packet. 962 * @reload_count: Number of times to jump from last entry to reload_idx. 0x1ff 963 * indicates infinite looping. 964 * 965 * Init TR Descriptor 966 */ 967static inline void cppi5_trdesc_init(struct cppi5_desc_hdr_t *desc_hdr, 968 u32 tr_count, u32 tr_size, u32 reload_idx, 969 u32 reload_count) 970{ 971 desc_hdr->pkt_info0 = CPPI5_INFO0_DESC_TYPE_VAL_TR << 972 CPPI5_INFO0_HDESC_TYPE_SHIFT; 973 desc_hdr->pkt_info0 |= 974 (reload_count << CPPI5_INFO0_TRDESC_RLDCNT_SHIFT) & 975 CPPI5_INFO0_TRDESC_RLDCNT_MASK; 976 desc_hdr->pkt_info0 |= 977 (reload_idx << CPPI5_INFO0_TRDESC_RLDIDX_SHIFT) & 978 CPPI5_INFO0_TRDESC_RLDIDX_MASK; 979 desc_hdr->pkt_info0 |= (tr_count - 1) & CPPI5_INFO0_TRDESC_LASTIDX_MASK; 980 981 desc_hdr->pkt_info1 |= ((ffs(tr_size >> 4) - 1) << 982 CPPI5_INFO1_TRDESC_RECSIZE_SHIFT) & 983 CPPI5_INFO1_TRDESC_RECSIZE_MASK; 984} 985 986/** 987 * cppi5_tr_init - Init TR record 988 * @flags: Pointer to the TR's flags 989 * @type: TR type 990 * @static_tr: TR is static 991 * @wait: Wait for TR completion before allow the next TR to start 992 * @event_size: output event generation cfg 993 * @cmd_id: TR identifier (application specifics) 994 * 995 * Init TR record 996 */ 997static inline void cppi5_tr_init(cppi5_tr_flags_t *flags, 998 enum cppi5_tr_types type, bool static_tr, 999 bool wait, enum cppi5_tr_event_size event_size, 1000 u32 cmd_id) 1001{ 1002 *flags = type; 1003 *flags |= (event_size << CPPI5_TR_EVENT_SIZE_SHIFT) & 1004 CPPI5_TR_EVENT_SIZE_MASK; 1005 1006 *flags |= (cmd_id << CPPI5_TR_CMD_ID_SHIFT) & 1007 CPPI5_TR_CMD_ID_MASK; 1008 1009 if (static_tr && (type == CPPI5_TR_TYPE8 || type == CPPI5_TR_TYPE9)) 1010 *flags |= CPPI5_TR_STATIC; 1011 1012 if (wait) 1013 *flags |= CPPI5_TR_WAIT; 1014} 1015 1016/** 1017 * cppi5_tr_set_trigger - Configure trigger0/1 and trigger0/1_type 1018 * @flags: Pointer to the TR's flags 1019 * @trigger0: trigger0 selection 1020 * @trigger0_type: type of data transfer that will be enabled by trigger0 1021 * @trigger1: trigger1 selection 1022 * @trigger1_type: type of data transfer that will be enabled by trigger1 1023 * 1024 * Configure the triggers for the TR 1025 */ 1026static inline void cppi5_tr_set_trigger(cppi5_tr_flags_t *flags, 1027 enum cppi5_tr_trigger trigger0, 1028 enum cppi5_tr_trigger_type trigger0_type, 1029 enum cppi5_tr_trigger trigger1, 1030 enum cppi5_tr_trigger_type trigger1_type) 1031{ 1032 *flags &= ~(CPPI5_TR_TRIGGER0_MASK | CPPI5_TR_TRIGGER0_TYPE_MASK | 1033 CPPI5_TR_TRIGGER1_MASK | CPPI5_TR_TRIGGER1_TYPE_MASK); 1034 *flags |= (trigger0 << CPPI5_TR_TRIGGER0_SHIFT) & 1035 CPPI5_TR_TRIGGER0_MASK; 1036 *flags |= (trigger0_type << CPPI5_TR_TRIGGER0_TYPE_SHIFT) & 1037 CPPI5_TR_TRIGGER0_TYPE_MASK; 1038 1039 *flags |= (trigger1 << CPPI5_TR_TRIGGER1_SHIFT) & 1040 CPPI5_TR_TRIGGER1_MASK; 1041 *flags |= (trigger1_type << CPPI5_TR_TRIGGER1_TYPE_SHIFT) & 1042 CPPI5_TR_TRIGGER1_TYPE_MASK; 1043} 1044 1045/** 1046 * cppi5_tr_cflag_set - Update the Configuration specific flags 1047 * @flags: Pointer to the TR's flags 1048 * @csf: Configuration specific flags 1049 * 1050 * Set a bit in Configuration Specific Flags section of the TR flags. 1051 */ 1052static inline void cppi5_tr_csf_set(cppi5_tr_flags_t *flags, u32 csf) 1053{ 1054 *flags &= ~CPPI5_TR_CSF_FLAGS_MASK; 1055 *flags |= (csf << CPPI5_TR_CSF_FLAGS_SHIFT) & 1056 CPPI5_TR_CSF_FLAGS_MASK; 1057} 1058 1059#endif /* __TI_CPPI5_H__ */