xref: /rk3399_ARM-atf/plat/intel/soc/common/socfpga_sip_svc.c (revision c42aefd3eb1b5888ee6f3d1f8645b62ec850cdcc)
1 /*
2  * Copyright (c) 2019-2025, Arm Limited and Contributors. All rights reserved.
3  * Copyright (c) 2019-2023, Intel Corporation. All rights reserved.
4  * Copyright (c) 2024-2025, Altera Corporation. All rights reserved.
5  *
6  * SPDX-License-Identifier: BSD-3-Clause
7  */
8 
9 #include <assert.h>
10 #include <common/debug.h>
11 #include <common/runtime_svc.h>
12 #include <drivers/delay_timer.h>
13 #include <lib/mmio.h>
14 #include <tools_share/uuid.h>
15 
16 #include "lib/utils/alignment_utils.h"
17 #include "socfpga_fcs.h"
18 #include "socfpga_mailbox.h"
19 #include "socfpga_plat_def.h"
20 #include "socfpga_reset_manager.h"
21 #include "socfpga_sip_svc.h"
22 #include "socfpga_system_manager.h"
23 
24 /* Total buffer the driver can hold */
25 #define FPGA_CONFIG_BUFFER_SIZE 4
26 
27 static config_type request_type = NO_REQUEST;
28 static int current_block, current_buffer;
29 static int read_block, max_blocks;
30 static uint32_t send_id, rcv_id;
31 static uint32_t bytes_per_block, blocks_submitted;
32 static bool bridge_disable;
33 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
34 static uint32_t g_remapper_bypass;
35 #endif
36 
37 /* RSU static variables */
38 static uint32_t rsu_dcmf_ver[4] = {0};
39 static uint16_t rsu_dcmf_stat[4] = {0};
40 static uint32_t rsu_max_retry;
41 
42 /*  SiP Service UUID */
43 DEFINE_SVC_UUID2(intl_svc_uid,
44 		0xa85273b0, 0xe85a, 0x4862, 0xa6, 0x2a,
45 		0xfa, 0x88, 0x88, 0x17, 0x68, 0x81);
46 
47 static uint64_t socfpga_sip_handler(uint32_t smc_fid,
48 				   uint64_t x1,
49 				   uint64_t x2,
50 				   uint64_t x3,
51 				   uint64_t x4,
52 				   void *cookie,
53 				   void *handle,
54 				   uint64_t flags)
55 {
56 	ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
57 	SMC_RET1(handle, SMC_UNK);
58 }
59 
60 struct fpga_config_info fpga_config_buffers[FPGA_CONFIG_BUFFER_SIZE];
61 
62 static int intel_fpga_sdm_write_buffer(struct fpga_config_info *buffer)
63 {
64 	uint32_t args[3];
65 
66 	while (max_blocks > 0 && buffer->size > buffer->size_written) {
67 		args[0] = (1<<8);
68 		args[1] = buffer->addr + buffer->size_written;
69 		if (buffer->size - buffer->size_written <= bytes_per_block) {
70 			args[2] = buffer->size - buffer->size_written;
71 			current_buffer++;
72 			current_buffer %= FPGA_CONFIG_BUFFER_SIZE;
73 		} else {
74 			args[2] = bytes_per_block;
75 		}
76 
77 		buffer->size_written += args[2];
78 		mailbox_send_cmd_async(&send_id, MBOX_RECONFIG_DATA, args,
79 					3U, CMD_INDIRECT);
80 
81 		buffer->subblocks_sent++;
82 		max_blocks--;
83 	}
84 
85 	return !max_blocks;
86 }
87 
88 static int intel_fpga_sdm_write_all(void)
89 {
90 	for (int i = 0; i < FPGA_CONFIG_BUFFER_SIZE; i++) {
91 		if (intel_fpga_sdm_write_buffer(
92 			&fpga_config_buffers[current_buffer])) {
93 			break;
94 		}
95 	}
96 	return 0;
97 }
98 
99 static uint32_t intel_mailbox_fpga_config_isdone(uint32_t *err_states)
100 {
101 	uint32_t ret;
102 
103 	if (err_states == NULL)
104 		return INTEL_SIP_SMC_STATUS_REJECTED;
105 
106 	switch (request_type) {
107 	case RECONFIGURATION:
108 		ret = intel_mailbox_get_config_status(MBOX_RECONFIG_STATUS,
109 							true, err_states);
110 		break;
111 	case BITSTREAM_AUTH:
112 		ret = intel_mailbox_get_config_status(MBOX_RECONFIG_STATUS,
113 							false, err_states);
114 		break;
115 	default:
116 		ret = intel_mailbox_get_config_status(MBOX_CONFIG_STATUS,
117 							false, err_states);
118 		break;
119 	}
120 
121 	if (ret != 0U) {
122 		if (ret == MBOX_CFGSTAT_STATE_CONFIG) {
123 			return INTEL_SIP_SMC_STATUS_BUSY;
124 		} else {
125 			request_type = NO_REQUEST;
126 			return INTEL_SIP_SMC_STATUS_ERROR;
127 		}
128 	}
129 
130 	if (bridge_disable != 0U) {
131 		socfpga_bridges_enable(~0);	/* Enable bridge */
132 		bridge_disable = false;
133 	}
134 	request_type = NO_REQUEST;
135 
136 	return INTEL_SIP_SMC_STATUS_OK;
137 }
138 
139 static int mark_last_buffer_xfer_completed(uint32_t *buffer_addr_completed)
140 {
141 	int i;
142 
143 	for (i = 0; i < FPGA_CONFIG_BUFFER_SIZE; i++) {
144 		if (fpga_config_buffers[i].block_number == current_block) {
145 			fpga_config_buffers[i].subblocks_sent--;
146 			if (fpga_config_buffers[i].subblocks_sent == 0
147 			&& fpga_config_buffers[i].size <=
148 			fpga_config_buffers[i].size_written) {
149 				fpga_config_buffers[i].write_requested = 0;
150 				current_block++;
151 				*buffer_addr_completed =
152 					fpga_config_buffers[i].addr;
153 				return 0;
154 			}
155 		}
156 	}
157 
158 	return -1;
159 }
160 
161 static int intel_fpga_config_completed_write(uint32_t *completed_addr,
162 					uint32_t *count, uint32_t *job_id)
163 {
164 	uint32_t resp[5];
165 	unsigned int resp_len = ARRAY_SIZE(resp);
166 	int status = INTEL_SIP_SMC_STATUS_OK;
167 	int all_completed = 1;
168 	*count = 0;
169 
170 	while (*count < 3) {
171 
172 		status = mailbox_read_response(job_id,
173 				resp, &resp_len);
174 
175 		if (status < 0) {
176 			break;
177 		}
178 
179 		max_blocks++;
180 
181 		if (mark_last_buffer_xfer_completed(
182 			&completed_addr[*count]) == 0) {
183 			*count = *count + 1;
184 		} else {
185 			break;
186 		}
187 	}
188 
189 	if (*count <= 0) {
190 		if (status != MBOX_NO_RESPONSE &&
191 			status != MBOX_TIMEOUT && resp_len != 0) {
192 			mailbox_clear_response();
193 			request_type = NO_REQUEST;
194 			return INTEL_SIP_SMC_STATUS_ERROR;
195 		}
196 
197 		*count = 0;
198 	}
199 
200 	intel_fpga_sdm_write_all();
201 
202 	if (*count > 0) {
203 		status = INTEL_SIP_SMC_STATUS_OK;
204 	} else if (*count == 0) {
205 		status = INTEL_SIP_SMC_STATUS_BUSY;
206 	}
207 
208 	for (int i = 0; i < FPGA_CONFIG_BUFFER_SIZE; i++) {
209 		if (fpga_config_buffers[i].write_requested != 0) {
210 			all_completed = 0;
211 			break;
212 		}
213 	}
214 
215 	if (all_completed == 1) {
216 		return INTEL_SIP_SMC_STATUS_OK;
217 	}
218 
219 	return status;
220 }
221 
222 static int intel_fpga_config_start(uint32_t flag)
223 {
224 	uint32_t argument = 0x1;
225 	uint32_t response[3];
226 	int status = 0;
227 	unsigned int size = 0;
228 	unsigned int resp_len = ARRAY_SIZE(response);
229 
230 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
231 	/*
232 	 * To trigger isolation
233 	 * FPGA configuration complete signal should be de-asserted
234 	 */
235 	INFO("SOCFPGA: Request SDM to trigger isolation\n");
236 	status = mailbox_send_fpga_config_comp();
237 
238 	if (status < 0) {
239 		INFO("SOCFPGA: Isolation for FPGA configuration complete is not executed\n");
240 	}
241 #endif
242 
243 	request_type = RECONFIGURATION;
244 
245 	if (!CONFIG_TEST_FLAG(flag, PARTIAL_CONFIG)) {
246 		bridge_disable = true;
247 	}
248 
249 	if (CONFIG_TEST_FLAG(flag, AUTHENTICATION)) {
250 		size = 1;
251 		bridge_disable = false;
252 		request_type = BITSTREAM_AUTH;
253 	}
254 
255 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
256 	intel_smmu_hps_remapper_init(0U);
257 #endif
258 
259 	mailbox_clear_response();
260 
261 	mailbox_send_cmd(MBOX_JOB_ID, MBOX_CMD_CANCEL, NULL, 0U,
262 			CMD_CASUAL, NULL, NULL);
263 
264 	status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_RECONFIG, &argument, size,
265 			CMD_CASUAL, response, &resp_len);
266 
267 	if (status < 0) {
268 		bridge_disable = false;
269 		request_type = NO_REQUEST;
270 		return INTEL_SIP_SMC_STATUS_ERROR;
271 	}
272 
273 	max_blocks = response[0];
274 	bytes_per_block = response[1];
275 
276 	for (int i = 0; i < FPGA_CONFIG_BUFFER_SIZE; i++) {
277 		fpga_config_buffers[i].size = 0;
278 		fpga_config_buffers[i].size_written = 0;
279 		fpga_config_buffers[i].addr = 0;
280 		fpga_config_buffers[i].write_requested = 0;
281 		fpga_config_buffers[i].block_number = 0;
282 		fpga_config_buffers[i].subblocks_sent = 0;
283 	}
284 
285 	blocks_submitted = 0;
286 	current_block = 0;
287 	read_block = 0;
288 	current_buffer = 0;
289 
290 	/* Disable bridge on full reconfiguration */
291 	if (bridge_disable) {
292 		socfpga_bridges_disable(~0);
293 	}
294 
295 	return INTEL_SIP_SMC_STATUS_OK;
296 }
297 
298 static bool is_fpga_config_buffer_full(void)
299 {
300 	for (int i = 0; i < FPGA_CONFIG_BUFFER_SIZE; i++) {
301 		if (!fpga_config_buffers[i].write_requested) {
302 			return false;
303 		}
304 	}
305 	return true;
306 }
307 
308 bool is_address_in_ddr_range(uint64_t addr, uint64_t size)
309 {
310 	uint128_t dram_max_sz = (uint128_t)DRAM_BASE + (uint128_t)DRAM_SIZE;
311 	uint128_t dram_region_end = (uint128_t)addr + (uint128_t)size;
312 
313 	if (!addr && !size) {
314 		return true;
315 	}
316 	if (size > (UINT64_MAX - addr)) {
317 		return false;
318 	}
319 	if (addr < BL31_LIMIT) {
320 		return false;
321 	}
322 	if (dram_region_end > dram_max_sz) {
323 		return false;
324 	}
325 
326 	return true;
327 }
328 
329 static uint32_t intel_fpga_config_write(uint64_t mem, uint64_t size)
330 {
331 	int i;
332 
333 	intel_fpga_sdm_write_all();
334 
335 	if (!is_address_in_ddr_range(mem, size) ||
336 		is_fpga_config_buffer_full()) {
337 		return INTEL_SIP_SMC_STATUS_REJECTED;
338 	}
339 
340 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
341 	intel_smmu_hps_remapper_init(&mem);
342 #endif
343 
344 	for (i = 0; i < FPGA_CONFIG_BUFFER_SIZE; i++) {
345 		int j = (i + current_buffer) % FPGA_CONFIG_BUFFER_SIZE;
346 
347 		if (!fpga_config_buffers[j].write_requested) {
348 			fpga_config_buffers[j].addr = mem;
349 			fpga_config_buffers[j].size = size;
350 			fpga_config_buffers[j].size_written = 0;
351 			fpga_config_buffers[j].write_requested = 1;
352 			fpga_config_buffers[j].block_number =
353 				blocks_submitted++;
354 			fpga_config_buffers[j].subblocks_sent = 0;
355 			break;
356 		}
357 	}
358 
359 	if (is_fpga_config_buffer_full()) {
360 		return INTEL_SIP_SMC_STATUS_BUSY;
361 	}
362 
363 	return INTEL_SIP_SMC_STATUS_OK;
364 }
365 
366 static int is_out_of_sec_range(uint64_t reg_addr)
367 {
368 #if DEBUG
369 	return 0;
370 #endif
371 
372 #if PLATFORM_MODEL != PLAT_SOCFPGA_AGILEX5
373 	switch (reg_addr) {
374 	case(0xF8011100):	/* ECCCTRL1 */
375 	case(0xF8011104):	/* ECCCTRL2 */
376 	case(0xF8011110):	/* ERRINTEN */
377 	case(0xF8011114):	/* ERRINTENS */
378 	case(0xF8011118):	/* ERRINTENR */
379 	case(0xF801111C):	/* INTMODE */
380 	case(0xF8011120):	/* INTSTAT */
381 	case(0xF8011124):	/* DIAGINTTEST */
382 	case(0xF801112C):	/* DERRADDRA */
383 	case(0xFA000000):	/* SMMU SCR0 */
384 	case(0xFA000004):	/* SMMU SCR1 */
385 	case(0xFA000400):	/* SMMU NSCR0 */
386 	case(0xFA004000):	/* SMMU SSD0_REG */
387 	case(0xFA000820):	/* SMMU SMR8 */
388 	case(0xFA000c20):	/* SMMU SCR8 */
389 	case(0xFA028000):	/* SMMU CB8_SCTRL */
390 	case(0xFA001020):	/* SMMU CBAR8 */
391 	case(0xFA028030):	/* SMMU TCR_LPAE */
392 	case(0xFA028020):	/* SMMU CB8_TTBR0_LOW */
393 	case(0xFA028024):	/* SMMU CB8_PRRR_HIGH */
394 	case(0xFA028038):	/* SMMU CB8_PRRR_MIR0 */
395 	case(0xFA02803C):	/* SMMU CB8_PRRR_MIR1 */
396 	case(0xFA028010):	/* SMMU_CB8)TCR2 */
397 	case(0xFFD080A4):	/* SDM SMMU STREAM ID REG */
398 	case(0xFA001820):	/* SMMU_CBA2R8 */
399 	case(0xFA000074):	/* SMMU_STLBGSTATUS */
400 	case(0xFA0287F4):	/* SMMU_CB8_TLBSTATUS */
401 	case(0xFA000060):	/* SMMU_STLBIALL */
402 	case(0xFA000070):	/* SMMU_STLBGSYNC */
403 	case(0xFA028618):	/* CB8_TLBALL */
404 	case(0xFA0287F0):	/* CB8_TLBSYNC */
405 	case(0xFFD12028):	/* SDMMCGRP_CTRL */
406 	case(0xFFD12044):	/* EMAC0 */
407 	case(0xFFD12048):	/* EMAC1 */
408 	case(0xFFD1204C):	/* EMAC2 */
409 	case(0xFFD12090):	/* ECC_INT_MASK_VALUE */
410 	case(0xFFD12094):	/* ECC_INT_MASK_SET */
411 	case(0xFFD12098):	/* ECC_INT_MASK_CLEAR */
412 	case(0xFFD1209C):	/* ECC_INTSTATUS_SERR */
413 	case(0xFFD120A0):	/* ECC_INTSTATUS_DERR */
414 	case(0xFFD120C0):	/* NOC_TIMEOUT */
415 	case(0xFFD120C4):	/* NOC_IDLEREQ_SET */
416 	case(0xFFD120C8):	/* NOC_IDLEREQ_CLR */
417 	case(0xFFD120D0):	/* NOC_IDLEACK */
418 	case(0xFFD120D4):	/* NOC_IDLESTATUS */
419 	case(0xFFD12200):	/* BOOT_SCRATCH_COLD0 */
420 	case(0xFFD12204):	/* BOOT_SCRATCH_COLD1 */
421 	case(0xFFD12220):	/* BOOT_SCRATCH_COLD8 */
422 	case(0xFFD12224):	/* BOOT_SCRATCH_COLD9 */
423 		return 0;
424 #else
425 	switch (reg_addr) {
426 
427 	case(0xF8011104):	/* ECCCTRL2 */
428 	case(0xFFD12028):	/* SDMMCGRP_CTRL */
429 	case(0xFFD120C4):	/* NOC_IDLEREQ_SET */
430 	case(0xFFD120C8):	/* NOC_IDLEREQ_CLR */
431 	case(0xFFD120D0):	/* NOC_IDLEACK */
432 
433 
434 	case(SOCFPGA_MEMCTRL(ECCCTRL1)):	/* ECCCTRL1 */
435 	case(SOCFPGA_MEMCTRL(ERRINTEN)):	/* ERRINTEN */
436 	case(SOCFPGA_MEMCTRL(ERRINTENS)):	/* ERRINTENS */
437 	case(SOCFPGA_MEMCTRL(ERRINTENR)):	/* ERRINTENR */
438 	case(SOCFPGA_MEMCTRL(INTMODE)):	/* INTMODE */
439 	case(SOCFPGA_MEMCTRL(INTSTAT)):	/* INTSTAT */
440 	case(SOCFPGA_MEMCTRL(DIAGINTTEST)):	/* DIAGINTTEST */
441 	case(SOCFPGA_MEMCTRL(DERRADDRA)):	/* DERRADDRA */
442 
443 	case(SOCFPGA_ECC_QSPI(INITSTAT)):	/* ECC_QSPI_INITSTAT */
444 	case(SOCFPGA_SYSMGR(EMAC_0)):	/* EMAC0 */
445 	case(SOCFPGA_SYSMGR(EMAC_1)):	/* EMAC1 */
446 	case(SOCFPGA_SYSMGR(EMAC_2)):	/* EMAC2 */
447 	case(SOCFPGA_SYSMGR(ECC_INTMASK_VALUE)):	/* ECC_INT_MASK_VALUE */
448 	case(SOCFPGA_SYSMGR(ECC_INTMASK_SET)):	/* ECC_INT_MASK_SET */
449 	case(SOCFPGA_SYSMGR(ECC_INTMASK_CLR)):	/* ECC_INT_MASK_CLEAR */
450 	case(SOCFPGA_SYSMGR(ECC_INTMASK_SERR)):	/* ECC_INTSTATUS_SERR */
451 	case(SOCFPGA_SYSMGR(ECC_INTMASK_DERR)):	/* ECC_INTSTATUS_DERR */
452 	case(SOCFPGA_SYSMGR(NOC_TIMEOUT)):	/* NOC_TIMEOUT */
453 	case(SOCFPGA_SYSMGR(NOC_IDLESTATUS)):	/* NOC_IDLESTATUS */
454 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_0)):	/* BOOT_SCRATCH_COLD0 */
455 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_1)):	/* BOOT_SCRATCH_COLD1 */
456 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_8)):	/* BOOT_SCRATCH_COLD8 */
457 	case(SOCFPGA_SYSMGR(BOOT_SCRATCH_COLD_9)):	/* BOOT_SCRATCH_COLD9 */
458 #endif
459 	case(SOCFPGA_ECC_QSPI(CTRL)):			/* ECC_QSPI_CTRL */
460 	case(SOCFPGA_ECC_QSPI(ERRINTEN)):		/* ECC_QSPI_ERRINTEN */
461 	case(SOCFPGA_ECC_QSPI(ERRINTENS)):		/* ECC_QSPI_ERRINTENS */
462 	case(SOCFPGA_ECC_QSPI(ERRINTENR)):		/* ECC_QSPI_ERRINTENR */
463 	case(SOCFPGA_ECC_QSPI(INTMODE)):		/* ECC_QSPI_INTMODE */
464 	case(SOCFPGA_ECC_QSPI(ECC_ACCCTRL)):	/* ECC_QSPI_ECC_ACCCTRL */
465 	case(SOCFPGA_ECC_QSPI(ECC_STARTACC)):	/* ECC_QSPI_ECC_STARTACC */
466 	case(SOCFPGA_ECC_QSPI(ECC_WDCTRL)):		/* ECC_QSPI_ECC_WDCTRL */
467 	case(SOCFPGA_ECC_QSPI(INTSTAT)):		/* ECC_QSPI_INTSTAT */
468 	case(SOCFPGA_ECC_QSPI(INTTEST)):		/* ECC_QSPI_INTMODE */
469 		return 0;
470 
471 	default:
472 		break;
473 	}
474 
475 	return -1;
476 }
477 
478 /* Secure register access */
479 uint32_t intel_secure_reg_read(uint64_t reg_addr, uint32_t *retval)
480 {
481 	if (is_out_of_sec_range(reg_addr)) {
482 		return INTEL_SIP_SMC_STATUS_ERROR;
483 	}
484 
485 	*retval = mmio_read_32(reg_addr);
486 
487 	return INTEL_SIP_SMC_STATUS_OK;
488 }
489 
490 uint32_t intel_secure_reg_write(uint64_t reg_addr, uint32_t val,
491 				uint32_t *retval)
492 {
493 	if (is_out_of_sec_range(reg_addr)) {
494 		return INTEL_SIP_SMC_STATUS_ERROR;
495 	}
496 
497 	switch (reg_addr) {
498 	case(SOCFPGA_ECC_QSPI(INTSTAT)):		/* ECC_QSPI_INTSTAT */
499 	case(SOCFPGA_ECC_QSPI(INTTEST)):		/* ECC_QSPI_INTMODE */
500 		mmio_write_16(reg_addr, val);
501 		break;
502 	default:
503 		mmio_write_32(reg_addr, val);
504 		break;
505 	}
506 
507 	return intel_secure_reg_read(reg_addr, retval);
508 }
509 
510 uint32_t intel_secure_reg_update(uint64_t reg_addr, uint32_t mask,
511 				 uint32_t val, uint32_t *retval)
512 {
513 	if (!intel_secure_reg_read(reg_addr, retval)) {
514 		*retval &= ~mask;
515 		*retval |= val & mask;
516 		return intel_secure_reg_write(reg_addr, *retval, retval);
517 	}
518 
519 	return INTEL_SIP_SMC_STATUS_ERROR;
520 }
521 
522 /* Intel Remote System Update (RSU) services */
523 uint64_t intel_rsu_update_address;
524 
525 static uint32_t intel_rsu_status(uint64_t *respbuf, unsigned int respbuf_sz)
526 {
527 	if (mailbox_rsu_status((uint32_t *)respbuf, respbuf_sz) < 0) {
528 		return INTEL_SIP_SMC_RSU_ERROR;
529 	}
530 
531 	return INTEL_SIP_SMC_STATUS_OK;
532 }
533 
534 static uint32_t intel_rsu_get_device_info(uint32_t *respbuf,
535 					  unsigned int respbuf_sz)
536 {
537 	if (mailbox_rsu_get_device_info((uint32_t *)respbuf, respbuf_sz) < 0) {
538 		return INTEL_SIP_SMC_RSU_ERROR;
539 	}
540 
541 	return INTEL_SIP_SMC_STATUS_OK;
542 }
543 
544 uint32_t intel_rsu_update(uint64_t update_address)
545 {
546 	if (update_address > SIZE_MAX) {
547 		return INTEL_SIP_SMC_STATUS_REJECTED;
548 	}
549 
550 	intel_rsu_update_address = update_address;
551 	return INTEL_SIP_SMC_STATUS_OK;
552 }
553 
554 static uint32_t intel_rsu_notify(uint32_t execution_stage)
555 {
556 	if (mailbox_hps_stage_notify(execution_stage) < 0) {
557 		return INTEL_SIP_SMC_RSU_ERROR;
558 	}
559 
560 	return INTEL_SIP_SMC_STATUS_OK;
561 }
562 
563 static uint32_t intel_rsu_retry_counter(uint32_t *respbuf, uint32_t respbuf_sz,
564 					uint32_t *ret_stat)
565 {
566 	if (mailbox_rsu_status((uint32_t *)respbuf, respbuf_sz) < 0) {
567 		return INTEL_SIP_SMC_RSU_ERROR;
568 	}
569 
570 	*ret_stat = respbuf[8];
571 	return INTEL_SIP_SMC_STATUS_OK;
572 }
573 
574 static uint32_t intel_rsu_copy_dcmf_version(uint64_t dcmf_ver_1_0,
575 					    uint64_t dcmf_ver_3_2)
576 {
577 	rsu_dcmf_ver[0] = dcmf_ver_1_0;
578 	rsu_dcmf_ver[1] = dcmf_ver_1_0 >> 32;
579 	rsu_dcmf_ver[2] = dcmf_ver_3_2;
580 	rsu_dcmf_ver[3] = dcmf_ver_3_2 >> 32;
581 
582 	return INTEL_SIP_SMC_STATUS_OK;
583 }
584 
585 static uint32_t intel_rsu_copy_dcmf_status(uint64_t dcmf_stat)
586 {
587 	rsu_dcmf_stat[0] = 0xFFFF & (dcmf_stat >> (0 * 16));
588 	rsu_dcmf_stat[1] = 0xFFFF & (dcmf_stat >> (1 * 16));
589 	rsu_dcmf_stat[2] = 0xFFFF & (dcmf_stat >> (2 * 16));
590 	rsu_dcmf_stat[3] = 0xFFFF & (dcmf_stat >> (3 * 16));
591 
592 	return INTEL_SIP_SMC_STATUS_OK;
593 }
594 
595 /* Intel HWMON services */
596 static uint32_t intel_hwmon_readtemp(uint32_t chan, uint32_t *retval)
597 {
598 	if (mailbox_hwmon_readtemp(chan, retval) < 0) {
599 		return INTEL_SIP_SMC_STATUS_ERROR;
600 	}
601 
602 	return INTEL_SIP_SMC_STATUS_OK;
603 }
604 
605 static uint32_t intel_hwmon_readvolt(uint32_t chan, uint32_t *retval)
606 {
607 	if (mailbox_hwmon_readvolt(chan, retval) < 0) {
608 		return INTEL_SIP_SMC_STATUS_ERROR;
609 	}
610 
611 	return INTEL_SIP_SMC_STATUS_OK;
612 }
613 
614 /* Mailbox services */
615 static uint32_t intel_smc_fw_version(uint32_t *fw_version)
616 {
617 	int status;
618 	unsigned int resp_len = CONFIG_STATUS_WORD_SIZE;
619 	uint32_t resp_data[CONFIG_STATUS_WORD_SIZE] = {0U};
620 
621 	status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_CONFIG_STATUS, NULL, 0U,
622 			CMD_CASUAL, resp_data, &resp_len);
623 
624 	if (status < 0) {
625 		return INTEL_SIP_SMC_STATUS_ERROR;
626 	}
627 
628 	if (resp_len <= CONFIG_STATUS_FW_VER_OFFSET) {
629 		return INTEL_SIP_SMC_STATUS_ERROR;
630 	}
631 
632 	*fw_version = resp_data[CONFIG_STATUS_FW_VER_OFFSET] & CONFIG_STATUS_FW_VER_MASK;
633 
634 	return INTEL_SIP_SMC_STATUS_OK;
635 }
636 
637 static uint32_t intel_mbox_send_cmd(uint32_t cmd, uint32_t *args,
638 				unsigned int len, uint32_t urgent, uint64_t response,
639 				unsigned int resp_len, int *mbox_status,
640 				unsigned int *len_in_resp)
641 {
642 	*len_in_resp = 0;
643 	*mbox_status = GENERIC_RESPONSE_ERROR;
644 
645 	if (!is_address_in_ddr_range((uint64_t)args, sizeof(uint32_t) * len)) {
646 		return INTEL_SIP_SMC_STATUS_REJECTED;
647 	}
648 
649 	int status = mailbox_send_cmd(MBOX_JOB_ID, cmd, args, len, urgent,
650 					(uint32_t *) response, &resp_len);
651 
652 	if (status < 0) {
653 		*mbox_status = -status;
654 		return INTEL_SIP_SMC_STATUS_ERROR;
655 	}
656 
657 	*mbox_status = 0;
658 	*len_in_resp = resp_len;
659 
660 	flush_dcache_range(response, resp_len * MBOX_WORD_BYTE);
661 
662 	return INTEL_SIP_SMC_STATUS_OK;
663 }
664 
665 static int intel_smc_get_usercode(uint32_t *user_code)
666 {
667 	int status;
668 	unsigned int resp_len = sizeof(user_code) / MBOX_WORD_BYTE;
669 
670 	status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_CMD_GET_USERCODE, NULL,
671 				0U, CMD_CASUAL, user_code, &resp_len);
672 
673 	if (status < 0) {
674 		return INTEL_SIP_SMC_STATUS_ERROR;
675 	}
676 
677 	return INTEL_SIP_SMC_STATUS_OK;
678 }
679 
680 uint32_t intel_smc_service_completed(uint64_t addr, uint32_t size,
681 				uint32_t mode, uint32_t *job_id,
682 				uint32_t *ret_size, uint32_t *mbox_error)
683 {
684 	int status = 0;
685 	uint32_t resp_len = size / MBOX_WORD_BYTE;
686 
687 	if (resp_len > MBOX_DATA_MAX_LEN) {
688 		return INTEL_SIP_SMC_STATUS_REJECTED;
689 	}
690 
691 	if (!is_address_in_ddr_range(addr, size)) {
692 		return INTEL_SIP_SMC_STATUS_REJECTED;
693 	}
694 
695 	if (mode == SERVICE_COMPLETED_MODE_ASYNC) {
696 		status = mailbox_read_response_async(job_id,
697 				NULL, (uint32_t *) addr, &resp_len, 0);
698 	} else {
699 		status = mailbox_read_response(job_id,
700 				(uint32_t *) addr, &resp_len);
701 
702 		if (status == MBOX_NO_RESPONSE) {
703 			status = MBOX_BUSY;
704 		}
705 	}
706 
707 	if (status == MBOX_NO_RESPONSE) {
708 		return INTEL_SIP_SMC_STATUS_NO_RESPONSE;
709 	}
710 
711 	if (status == MBOX_BUSY) {
712 		return INTEL_SIP_SMC_STATUS_BUSY;
713 	}
714 
715 	*ret_size = resp_len * MBOX_WORD_BYTE;
716 	flush_dcache_range(addr, *ret_size);
717 
718 	if (status == MBOX_RET_SDOS_DECRYPTION_ERROR_102 ||
719 		status == MBOX_RET_SDOS_DECRYPTION_ERROR_103) {
720 		*mbox_error = -status;
721 	} else if (status != MBOX_RET_OK) {
722 		*mbox_error = -status;
723 		return INTEL_SIP_SMC_STATUS_ERROR;
724 	}
725 
726 	return INTEL_SIP_SMC_STATUS_OK;
727 }
728 
729 /* Miscellaneous HPS services */
730 uint32_t intel_hps_set_bridges(uint64_t enable, uint64_t mask)
731 {
732 	int status = 0;
733 
734 	if ((enable & SOCFPGA_BRIDGE_ENABLE) != 0U) {
735 		if ((enable & SOCFPGA_BRIDGE_HAS_MASK) != 0U) {
736 			status = socfpga_bridges_enable((uint32_t)mask);
737 		} else {
738 			status = socfpga_bridges_enable(~0);
739 		}
740 	} else {
741 		if ((enable & SOCFPGA_BRIDGE_HAS_MASK) != 0U) {
742 			status = socfpga_bridges_disable((uint32_t)mask);
743 		} else {
744 			status = socfpga_bridges_disable(~0);
745 		}
746 	}
747 
748 	if (status < 0) {
749 		return INTEL_SIP_SMC_STATUS_ERROR;
750 	}
751 
752 	return INTEL_SIP_SMC_STATUS_OK;
753 }
754 
755 /* SDM SEU Error services */
756 static uint32_t intel_sdm_seu_err_read(uint32_t *respbuf, unsigned int respbuf_sz)
757 {
758 	if (mailbox_seu_err_status(respbuf, respbuf_sz) < 0) {
759 		return INTEL_SIP_SMC_SEU_ERR_READ_ERROR;
760 	}
761 
762 	return INTEL_SIP_SMC_STATUS_OK;
763 }
764 
765 /* SDM SAFE SEU Error inject services */
766 static uint32_t intel_sdm_safe_inject_seu_err(uint32_t *command, uint32_t len)
767 {
768 	if (mailbox_safe_inject_seu_err(command, len) < 0) {
769 		return INTEL_SIP_SMC_SEU_ERR_READ_ERROR;
770 	}
771 
772 	return INTEL_SIP_SMC_STATUS_OK;
773 }
774 
775 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
776 /* SMMU HPS Remapper */
777 void intel_smmu_hps_remapper_init(uint64_t *mem)
778 {
779 	/* Read out Bit 1 value */
780 	uint32_t remap = (mmio_read_32(SOCFPGA_SYSMGR(BOOT_SCRATCH_POR_1)) & 0x02);
781 
782 	if ((remap == 0x00) && (g_remapper_bypass == 0x00)) {
783 		/* Update DRAM Base address for SDM SMMU */
784 		mmio_write_32(SOCFPGA_SYSMGR(SDM_BE_ARADDR_REMAP), DRAM_BASE);
785 		mmio_write_32(SOCFPGA_SYSMGR(SDM_BE_AWADDR_REMAP), DRAM_BASE);
786 		*mem = *mem - DRAM_BASE;
787 	} else {
788 		*mem = *mem - DRAM_BASE;
789 	}
790 }
791 
792 int intel_smmu_hps_remapper_config(uint32_t remapper_bypass)
793 {
794 	/* Read out the JTAG-ID from boot scratch register */
795 	if (is_agilex5_A5F0() || is_agilex5_A5F4()) {
796 		if (remapper_bypass == 0x01) {
797 			g_remapper_bypass = remapper_bypass;
798 			mmio_write_32(SOCFPGA_SYSMGR(SDM_BE_ARADDR_REMAP), 0);
799 			mmio_write_32(SOCFPGA_SYSMGR(SDM_BE_AWADDR_REMAP), 0);
800 		}
801 	}
802 	return INTEL_SIP_SMC_STATUS_OK;
803 }
804 
805 static void intel_inject_io96b_ecc_err(const uint32_t *syndrome, const uint32_t command)
806 {
807 	volatile uint64_t atf_ddr_buffer;
808 	volatile uint64_t val;
809 
810 	mmio_write_32(IOSSM_CMD_PARAM, *syndrome);
811 	mmio_write_32(IOSSM_CMD_TRIG_OP, command);
812 	udelay(IOSSM_ECC_ERR_INJ_DELAY_USECS);
813 	atf_ddr_buffer = 0xCAFEBABEFEEDFACE;	/* Write data */
814 	memcpy_s((void *)&val, sizeof(val),
815 		 (void *)&atf_ddr_buffer, sizeof(atf_ddr_buffer));
816 
817 	/* Clear response_ready BIT0 of status_register before sending next command. */
818 	mmio_clrbits_32(IOSSM_CMD_RESP_STATUS, IOSSM_CMD_STATUS_RESP_READY);
819 }
820 #endif
821 
822 #if SIP_SVC_V3
823 uint8_t sip_smc_cmd_cb_ret2(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
824 {
825 	uint8_t ret_args_len = 0U;
826 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
827 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
828 
829 	(void)cmd;
830 	/* Returns 3 SMC arguments for SMC_RET3 */
831 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
832 	ret_args[ret_args_len++] = resp->err_code;
833 
834 	return ret_args_len;
835 }
836 
837 uint8_t sip_smc_cmd_cb_ret3(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
838 {
839 	uint8_t ret_args_len = 0U;
840 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
841 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
842 
843 	(void)cmd;
844 	/* Returns 3 SMC arguments for SMC_RET3 */
845 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
846 	ret_args[ret_args_len++] = resp->err_code;
847 	ret_args[ret_args_len++] = resp->resp_data[0];
848 
849 	return ret_args_len;
850 }
851 
852 uint8_t sip_smc_ret_nbytes_cb(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
853 {
854 	uint8_t ret_args_len = 0U;
855 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
856 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
857 
858 	INFO("MBOX: %s: mailbox_err 0%x, nbytes_ret %d\n",
859 		__func__, resp->err_code, resp->rcvd_resp_len * MBOX_WORD_BYTE);
860 
861 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
862 	ret_args[ret_args_len++] = resp->err_code;
863 	ret_args[ret_args_len++] = resp->rcvd_resp_len * MBOX_WORD_BYTE;
864 
865 	/* Flush the response data buffer. */
866 	flush_dcache_range((uintptr_t)cmd->cb_args, resp->rcvd_resp_len * MBOX_WORD_BYTE);
867 
868 	return ret_args_len;
869 }
870 
871 uint8_t sip_smc_get_chipid_cb(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
872 {
873 	uint8_t ret_args_len = 0U;
874 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
875 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
876 
877 	(void)cmd;
878 	INFO("MBOX: %s: mailbox_err 0%x, data[0] 0x%x, data[1] 0x%x\n",
879 		__func__, resp->err_code, resp->resp_data[0], resp->resp_data[1]);
880 
881 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
882 	ret_args[ret_args_len++] = resp->err_code;
883 	ret_args[ret_args_len++] = resp->resp_data[0];
884 	ret_args[ret_args_len++] = resp->resp_data[1];
885 
886 	return ret_args_len;
887 }
888 
889 uint8_t sip_smc_cmd_cb_rsu_status(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
890 {
891 	uint8_t ret_args_len = 0U;
892 	uint32_t retry_counter = ~0U;
893 	uint32_t failure_source = 0U;
894 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
895 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
896 
897 	(void)cmd;
898 	/* Get the failure source and current image retry counter value from the response. */
899 	failure_source = resp->resp_data[5] & RSU_VERSION_ACMF_MASK;
900 	retry_counter = resp->resp_data[8];
901 
902 	if ((retry_counter != ~0U) && (failure_source == 0U))
903 		resp->resp_data[5] |= RSU_VERSION_ACMF;
904 
905 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
906 	ret_args[ret_args_len++] = resp->err_code;
907 	/* Current CMF */
908 	ret_args[ret_args_len++] = GET_ADDR64(resp->resp_data[1], resp->resp_data[0]);
909 	/* Last Failing CMF Address */
910 	ret_args[ret_args_len++] = GET_ADDR64(resp->resp_data[3], resp->resp_data[2]);
911 	/* Config State */
912 	ret_args[ret_args_len++] = resp->resp_data[4];
913 	/* Version */
914 	ret_args[ret_args_len++] = resp->resp_data[5];
915 	/* Failure Source */
916 	ret_args[ret_args_len++] = ((GENMASK(32, 17) & resp->resp_data[5]) >> 16);
917 	/* Error location */
918 	ret_args[ret_args_len++] = resp->resp_data[6];
919 	/* Error details */
920 	ret_args[ret_args_len++] = resp->resp_data[7];
921 	/* Current image retry counter */
922 	ret_args[ret_args_len++] = resp->resp_data[8];
923 
924 	return ret_args_len;
925 }
926 
927 uint8_t sip_smc_cmd_cb_rsu_spt(void *resp_desc, void *cmd_desc, uint64_t *ret_args)
928 {
929 	uint8_t ret_args_len = 0U;
930 	sdm_response_t *resp = (sdm_response_t *)resp_desc;
931 	sdm_command_t *cmd = (sdm_command_t *)cmd_desc;
932 
933 	(void)cmd;
934 
935 	ret_args[ret_args_len++] = INTEL_SIP_SMC_STATUS_OK;
936 	ret_args[ret_args_len++] = resp->err_code;
937 	/* Sub Partition Table (SPT) 0 address */
938 	ret_args[ret_args_len++] = GET_ADDR64(resp->resp_data[0], resp->resp_data[1]);
939 	/* Sub Partition Table (SPT) 1 address */
940 	ret_args[ret_args_len++] = GET_ADDR64(resp->resp_data[2], resp->resp_data[3]);
941 
942 	return ret_args_len;
943 }
944 
945 static uintptr_t smc_ret(void *handle, uint64_t *ret_args, uint32_t ret_args_len)
946 {
947 
948 	switch (ret_args_len) {
949 	case SMC_RET_ARGS_ONE:
950 		VERBOSE("SVC V3: %s: x0 0x%lx\n", __func__, ret_args[0]);
951 		SMC_RET1(handle, ret_args[0]);
952 		break;
953 
954 	case SMC_RET_ARGS_TWO:
955 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx\n", __func__, ret_args[0], ret_args[1]);
956 		SMC_RET2(handle, ret_args[0], ret_args[1]);
957 		break;
958 
959 	case SMC_RET_ARGS_THREE:
960 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx, x2 0x%lx\n",
961 			__func__, ret_args[0],	ret_args[1], ret_args[2]);
962 		SMC_RET3(handle, ret_args[0], ret_args[1], ret_args[2]);
963 		break;
964 
965 	case SMC_RET_ARGS_FOUR:
966 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx, x2 0x%lx, x3 0x%lx\n",
967 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3]);
968 		SMC_RET4(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3]);
969 		break;
970 
971 	case SMC_RET_ARGS_FIVE:
972 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx, x2 0x%lx, x3 0x%lx, x4 0x%lx\n",
973 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4]);
974 		SMC_RET5(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4]);
975 		break;
976 
977 	case SMC_RET_ARGS_SIX:
978 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx x2 0x%lx x3 0x%lx, x4 0x%lx x5 0x%lx\n",
979 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
980 			ret_args[5]);
981 		SMC_RET6(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
982 			 ret_args[5]);
983 		break;
984 
985 	case SMC_RET_ARGS_SEVEN:
986 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx x2 0x%lx, x3 0x%lx, x4 0x%lx, x5 0x%lx\t"
987 			"x6 0x%lx\n",
988 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
989 			ret_args[5], ret_args[6]);
990 		SMC_RET7(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
991 			 ret_args[5], ret_args[6]);
992 		break;
993 
994 	case SMC_RET_ARGS_EIGHT:
995 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx x2 0x%lx, x3 0x%lx, x4 0x%lx x5 0x%lx\t"
996 			"x6 0x%lx, x7 0x%lx\n",
997 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
998 			ret_args[5], ret_args[6], ret_args[7]);
999 		SMC_RET8(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1000 			 ret_args[5], ret_args[6], ret_args[7]);
1001 		break;
1002 
1003 	case SMC_RET_ARGS_NINE:
1004 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx x2 0x%lx, x3 0x%lx, x4 0x%lx, x5 0x%lx\t"
1005 			"x6 0x%lx, x7 0x%lx, x8 0x%lx\n",
1006 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1007 			ret_args[5], ret_args[6], ret_args[7], ret_args[8]);
1008 		SMC_RET18(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1009 			 ret_args[5], ret_args[6], ret_args[7], ret_args[8],
1010 			 0, 0, 0, 0, 0, 0, 0, 0, 0);
1011 		break;
1012 
1013 	case SMC_RET_ARGS_TEN:
1014 		VERBOSE("SVC V3: %s: x0 0x%lx, x1 0x%lx, x2 0x%lx, x3 0x%lx, x4 0x%lx x5 0x%lx\t"
1015 			"x6 0x%lx, x7 0x%lx x8 0x%lx, x9 0x%lx, x10 0x%lx\n",
1016 			__func__, ret_args[0], ret_args[1], ret_args[2], ret_args[3],
1017 			ret_args[4], ret_args[5], ret_args[6], ret_args[7], ret_args[8],
1018 			ret_args[9], ret_args[10]);
1019 		SMC_RET18(handle, ret_args[0], ret_args[1], ret_args[2], ret_args[3], ret_args[4],
1020 			  ret_args[5], ret_args[6], ret_args[7], ret_args[8], ret_args[9],
1021 			  0, 0, 0, 0, 0, 0, 0, 0);
1022 		break;
1023 
1024 	default:
1025 		VERBOSE("SVC V3: %s ret_args_len is wrong, please check %d\n ",
1026 			__func__, ret_args_len);
1027 		SMC_RET1(handle, INTEL_SIP_SMC_STATUS_ERROR);
1028 		break;
1029 	}
1030 }
1031 
1032 static inline bool is_gen_mbox_cmd_allowed(uint32_t cmd)
1033 {
1034 	/* Check if the command is allowed to be executed in generic mbox format */
1035 	bool is_cmd_allowed = false;
1036 
1037 	switch (cmd) {
1038 	case MBOX_FCS_OPEN_CS_SESSION:
1039 	case MBOX_FCS_CLOSE_CS_SESSION:
1040 	case MBOX_FCS_IMPORT_CS_KEY:
1041 	case MBOX_FCS_EXPORT_CS_KEY:
1042 	case MBOX_FCS_REMOVE_CS_KEY:
1043 	case MBOX_FCS_GET_CS_KEY_INFO:
1044 	case MBOX_FCS_CREATE_CS_KEY:
1045 	case MBOX_FCS_GET_DIGEST_REQ:
1046 	case MBOX_FCS_MAC_VERIFY_REQ:
1047 	case MBOX_FCS_ECDSA_HASH_SIGN_REQ:
1048 	case MBOX_FCS_GET_PROVISION:
1049 	case MBOX_FCS_CNTR_SET_PREAUTH:
1050 	case MBOX_FCS_ENCRYPT_REQ:
1051 	case MBOX_FCS_DECRYPT_REQ:
1052 	case MBOX_FCS_RANDOM_GEN:
1053 	case MBOX_FCS_AES_CRYPT_REQ:
1054 	case MBOX_FCS_ECDSA_SHA2_DATA_SIGN_REQ:
1055 	case MBOX_FCS_ECDSA_HASH_SIG_VERIFY:
1056 	case MBOX_FCS_ECDSA_SHA2_DATA_SIGN_VERIFY:
1057 	case MBOX_FCS_ECDSA_GET_PUBKEY:
1058 	case MBOX_FCS_ECDH_REQUEST:
1059 	case MBOX_FCS_HKDF_REQUEST:
1060 		/* These mailbox commands are not supported in the generic mailbox format. */
1061 		break;
1062 
1063 	default:
1064 		is_cmd_allowed = true;
1065 		break;
1066 	} /* switch */
1067 
1068 	return is_cmd_allowed;
1069 }
1070 
1071 /*
1072  * This function is responsible for handling all SiP SVC V3 calls from the
1073  * non-secure world.
1074  */
1075 static uintptr_t sip_smc_handler_v3(uint32_t smc_fid,
1076 				    u_register_t x1,
1077 				    u_register_t x2,
1078 				    u_register_t x3,
1079 				    u_register_t x4,
1080 				    void *cookie,
1081 				    void *handle,
1082 				    u_register_t flags)
1083 {
1084 	int status = 0;
1085 	uint32_t mbox_error = 0U;
1086 	u_register_t x5, x6, x7, x8, x9, x10, x11;
1087 
1088 	/* Get all the SMC call arguments */
1089 	x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
1090 	x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
1091 	x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
1092 	x8 = SMC_GET_GP(handle, CTX_GPREG_X8);
1093 	x9 = SMC_GET_GP(handle, CTX_GPREG_X9);
1094 	x10 = SMC_GET_GP(handle, CTX_GPREG_X10);
1095 	x11 = SMC_GET_GP(handle, CTX_GPREG_X11);
1096 
1097 	INFO("MBOX: SVC_V3: x0 0x%x, x1 0x%lx, x2 0x%lx, x3 0x%lx, x4 0x%lx, x5 0x%lx\n",
1098 		smc_fid, x1, x2, x3, x4, x5);
1099 	INFO("MBOX: SVC_V3: x6 0x%lx, x7 0x%lx, x8 0x%lx, x9 0x%lx, x10 0x%lx x11 0x%lx\n",
1100 		x6, x7, x8, x9, x10, x11);
1101 
1102 	switch (smc_fid) {
1103 	case ALTERA_SIP_SMC_ASYNC_RESP_POLL:
1104 	{
1105 		uint64_t ret_args[16] = {0};
1106 		uint32_t ret_args_len = 0;
1107 
1108 		status = mailbox_response_poll_v3(GET_CLIENT_ID(x1),
1109 						  GET_JOB_ID(x1),
1110 						  ret_args,
1111 						  &ret_args_len);
1112 		/* Always reserve [0] index for command status. */
1113 		ret_args[0] = status;
1114 
1115 		/* Return SMC call based on the number of return arguments */
1116 		return smc_ret(handle, ret_args, ret_args_len);
1117 	}
1118 
1119 	case ALTERA_SIP_SMC_ASYNC_RESP_POLL_ON_INTR:
1120 	{
1121 		/* TBD: Here now we don't need these CID and JID?? */
1122 		uint8_t client_id = 0U;
1123 		uint8_t job_id = 0U;
1124 		uint64_t trans_id_bitmap[4] = {0U};
1125 
1126 		status = mailbox_response_poll_on_intr_v3(&client_id,
1127 							  &job_id,
1128 							  trans_id_bitmap);
1129 
1130 		SMC_RET5(handle, status, trans_id_bitmap[0], trans_id_bitmap[1],
1131 			 trans_id_bitmap[2], trans_id_bitmap[3]);
1132 		break;
1133 	}
1134 
1135 	case ALTERA_SIP_SMC_ASYNC_GET_DEVICE_IDENTITY:
1136 	{
1137 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1138 						   GET_JOB_ID(x1),
1139 						   MBOX_CMD_GET_DEVICEID,
1140 						   NULL,
1141 						   0U,
1142 						   MBOX_CMD_FLAG_CASUAL,
1143 						   sip_smc_ret_nbytes_cb,
1144 						   (uint32_t *)x2,
1145 						   2);
1146 
1147 		SMC_RET1(handle, status);
1148 	}
1149 
1150 	case ALTERA_SIP_SMC_ASYNC_GET_IDCODE:
1151 	{
1152 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1153 						   GET_JOB_ID(x1),
1154 						   MBOX_CMD_GET_IDCODE,
1155 						   NULL,
1156 						   0U,
1157 						   MBOX_CMD_FLAG_CASUAL,
1158 						   sip_smc_cmd_cb_ret3,
1159 						   NULL,
1160 						   0);
1161 
1162 		SMC_RET1(handle, status);
1163 	}
1164 
1165 	case ALTERA_SIP_SMC_ASYNC_QSPI_OPEN:
1166 	{
1167 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1168 						   GET_JOB_ID(x1),
1169 						   MBOX_CMD_QSPI_OPEN,
1170 						   NULL,
1171 						   0U,
1172 						   MBOX_CMD_FLAG_CASUAL,
1173 						   sip_smc_cmd_cb_ret2,
1174 						   NULL,
1175 						   0U);
1176 
1177 		SMC_RET1(handle, status);
1178 	}
1179 
1180 	case ALTERA_SIP_SMC_ASYNC_QSPI_CLOSE:
1181 	{
1182 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1183 						   GET_JOB_ID(x1),
1184 						   MBOX_CMD_QSPI_CLOSE,
1185 						   NULL,
1186 						   0U,
1187 						   MBOX_CMD_FLAG_CASUAL,
1188 						   sip_smc_cmd_cb_ret2,
1189 						   NULL,
1190 						   0U);
1191 
1192 		SMC_RET1(handle, status);
1193 	}
1194 
1195 	case ALTERA_SIP_SMC_ASYNC_QSPI_SET_CS:
1196 	{
1197 		uint32_t cmd_data = 0U;
1198 		uint32_t chip_sel = (uint32_t)x2;
1199 		uint32_t comb_addr_mode = (uint32_t)x3;
1200 		uint32_t ext_dec_mode = (uint32_t)x4;
1201 
1202 		cmd_data = (chip_sel << MBOX_QSPI_SET_CS_OFFSET) |
1203 			   (comb_addr_mode << MBOX_QSPI_SET_CS_CA_OFFSET) |
1204 			   (ext_dec_mode << MBOX_QSPI_SET_CS_MODE_OFFSET);
1205 
1206 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1207 						   GET_JOB_ID(x1),
1208 						   MBOX_CMD_QSPI_SET_CS,
1209 						   &cmd_data,
1210 						   1U,
1211 						   MBOX_CMD_FLAG_CASUAL,
1212 						   sip_smc_cmd_cb_ret2,
1213 						   NULL,
1214 						   0U);
1215 
1216 		SMC_RET1(handle, status);
1217 	}
1218 
1219 	case ALTERA_SIP_SMC_ASYNC_QSPI_ERASE:
1220 	{
1221 		uint32_t qspi_addr = (uint32_t)x2;
1222 		uint32_t qspi_nwords = (uint32_t)x3;
1223 
1224 		/* QSPI address offset to start erase, must be 4K aligned */
1225 		if (MBOX_IS_4K_ALIGNED(qspi_addr)) {
1226 			ERROR("MBOX: 0x%x: QSPI address not 4K aligned\n",
1227 				smc_fid);
1228 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1229 			SMC_RET1(handle, status);
1230 		}
1231 
1232 		/* Number of words to erase, multiples of 0x400 or 4K */
1233 		if (qspi_nwords % MBOX_QSPI_ERASE_SIZE_GRAN) {
1234 			ERROR("MBOX: 0x%x: Given words not in multiples of 4K\n",
1235 				smc_fid);
1236 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1237 			SMC_RET1(handle, status);
1238 		}
1239 
1240 		uint32_t cmd_data[2] = {qspi_addr, qspi_nwords};
1241 
1242 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1243 						   GET_JOB_ID(x1),
1244 						   MBOX_CMD_QSPI_ERASE,
1245 						   cmd_data,
1246 						   sizeof(cmd_data) / MBOX_WORD_BYTE,
1247 						   MBOX_CMD_FLAG_CASUAL,
1248 						   sip_smc_cmd_cb_ret2,
1249 						   NULL,
1250 						   0U);
1251 
1252 		SMC_RET1(handle, status);
1253 	}
1254 
1255 	case ALTERA_SIP_SMC_ASYNC_QSPI_WRITE:
1256 	{
1257 		uint32_t *qspi_payload = (uint32_t *)x2;
1258 		uint32_t qspi_total_nwords = (((uint32_t)x3) / MBOX_WORD_BYTE);
1259 		uint32_t qspi_addr = qspi_payload[0];
1260 		uint32_t qspi_nwords = qspi_payload[1];
1261 
1262 		if (!MBOX_IS_WORD_ALIGNED(qspi_addr)) {
1263 			ERROR("MBOX: 0x%x: Given address is not WORD aligned\n",
1264 				smc_fid);
1265 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1266 			SMC_RET1(handle, status);
1267 		}
1268 
1269 		if (qspi_nwords > MBOX_QSPI_RW_MAX_WORDS) {
1270 			ERROR("MBOX: 0x%x: Number of words exceeds max limit\n",
1271 				smc_fid);
1272 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1273 			SMC_RET1(handle, status);
1274 		}
1275 
1276 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1277 						   GET_JOB_ID(x1),
1278 						   MBOX_CMD_QSPI_WRITE,
1279 						   qspi_payload,
1280 						   qspi_total_nwords,
1281 						   MBOX_CMD_FLAG_CASUAL,
1282 						   sip_smc_cmd_cb_ret2,
1283 						   NULL,
1284 						   0U);
1285 
1286 		SMC_RET1(handle, status);
1287 	}
1288 
1289 	case ALTERA_SIP_SMC_ASYNC_QSPI_READ:
1290 	{
1291 		uint32_t qspi_addr = (uint32_t)x2;
1292 		uint32_t qspi_nwords = (((uint32_t)x4) / MBOX_WORD_BYTE);
1293 
1294 		if (qspi_nwords > MBOX_QSPI_RW_MAX_WORDS) {
1295 			ERROR("MBOX: 0x%x: Number of words exceeds max limit\n",
1296 				smc_fid);
1297 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1298 			SMC_RET1(handle, status);
1299 		}
1300 
1301 		uint32_t cmd_data[2] = {qspi_addr, qspi_nwords};
1302 
1303 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1304 						   GET_JOB_ID(x1),
1305 						   MBOX_CMD_QSPI_READ,
1306 						   cmd_data,
1307 						   sizeof(cmd_data) / MBOX_WORD_BYTE,
1308 						   MBOX_CMD_FLAG_CASUAL,
1309 						   sip_smc_ret_nbytes_cb,
1310 						   (uint32_t *)x3,
1311 						   2);
1312 
1313 		SMC_RET1(handle, status);
1314 	}
1315 
1316 	case ALTERA_SIP_SMC_ASYNC_QSPI_GET_DEV_INFO:
1317 	{
1318 		uint32_t *dst_addr = (uint32_t *)x2;
1319 
1320 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1321 						   GET_JOB_ID(x1),
1322 						   MBOX_CMD_QSPI_GET_DEV_INFO,
1323 						   NULL,
1324 						   0U,
1325 						   MBOX_CMD_FLAG_CASUAL,
1326 						   sip_smc_ret_nbytes_cb,
1327 						   (uint32_t *)dst_addr,
1328 						   2);
1329 
1330 		SMC_RET1(handle, status);
1331 	}
1332 
1333 	case ALTERA_SIP_SMC_ASYNC_HWMON_READVOLT:
1334 	case ALTERA_SIP_SMC_ASYNC_HWMON_READTEMP:
1335 	{
1336 		uint32_t channel = (uint32_t)x2;
1337 		uint32_t mbox_cmd = ((smc_fid == ALTERA_SIP_SMC_ASYNC_HWMON_READVOLT) ?
1338 					MBOX_HWMON_READVOLT : MBOX_HWMON_READTEMP);
1339 
1340 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1341 						   GET_JOB_ID(x1),
1342 						   mbox_cmd,
1343 						   &channel,
1344 						   1U,
1345 						   MBOX_CMD_FLAG_CASUAL,
1346 						   sip_smc_cmd_cb_ret3,
1347 						   NULL,
1348 						   0);
1349 
1350 		SMC_RET1(handle, status);
1351 	}
1352 
1353 	case ALTERA_SIP_SMC_ASYNC_RSU_GET_SPT:
1354 	{
1355 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1356 						   GET_JOB_ID(x1),
1357 						   MBOX_GET_SUBPARTITION_TABLE,
1358 						   NULL,
1359 						   0,
1360 						   MBOX_CMD_FLAG_CASUAL,
1361 						   sip_smc_cmd_cb_rsu_spt,
1362 						   NULL,
1363 						   0);
1364 
1365 		SMC_RET1(handle, status);
1366 	}
1367 
1368 	case ALTERA_SIP_SMC_ASYNC_RSU_GET_STATUS:
1369 	{
1370 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1371 						   GET_JOB_ID(x1),
1372 						   MBOX_RSU_STATUS,
1373 						   NULL,
1374 						   0,
1375 						   MBOX_CMD_FLAG_CASUAL,
1376 						   sip_smc_cmd_cb_rsu_status,
1377 						   NULL,
1378 						   0);
1379 
1380 		SMC_RET1(handle, status);
1381 	}
1382 
1383 	case ALTERA_SIP_SMC_ASYNC_RSU_NOTIFY:
1384 	{
1385 		uint32_t notify_code = (uint32_t)x2;
1386 
1387 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1388 						   GET_JOB_ID(x1),
1389 						   MBOX_HPS_STAGE_NOTIFY,
1390 						   &notify_code,
1391 						   1U,
1392 						   MBOX_CMD_FLAG_CASUAL,
1393 						   sip_smc_cmd_cb_ret2,
1394 						   NULL,
1395 						   0);
1396 
1397 		SMC_RET1(handle, status);
1398 	}
1399 
1400 	case ALTERA_SIP_SMC_ASYNC_GEN_MBOX_CMD:
1401 	{
1402 		/* Collect all the args passed in, and send the mailbox command. */
1403 		uint32_t mbox_cmd = (uint32_t)x2;
1404 		uint32_t *cmd_payload_addr = NULL;
1405 		uint32_t cmd_payload_len = (uint32_t)x4 / MBOX_WORD_BYTE;
1406 		uint32_t *resp_payload_addr = NULL;
1407 		uint32_t resp_payload_len = (uint32_t)x6 / MBOX_WORD_BYTE;
1408 
1409 		/* Filter the required commands here. */
1410 		if (!is_gen_mbox_cmd_allowed(mbox_cmd)) {
1411 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1412 			SMC_RET1(handle, status);
1413 		}
1414 
1415 		if ((cmd_payload_len > MBOX_GEN_CMD_MAX_WORDS) ||
1416 		    (resp_payload_len > MBOX_GEN_CMD_MAX_WORDS)) {
1417 			ERROR("MBOX: 0x%x: Command/Response payload length exceeds max limit\n",
1418 				smc_fid);
1419 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1420 			SMC_RET1(handle, status);
1421 		}
1422 
1423 		/* Make sure we have valid command payload length and buffer */
1424 		if (cmd_payload_len != 0U) {
1425 			cmd_payload_addr = (uint32_t *)x3;
1426 			if (cmd_payload_addr == NULL) {
1427 				ERROR("MBOX: 0x%x: Command payload address is NULL\n",
1428 					smc_fid);
1429 				status = INTEL_SIP_SMC_STATUS_REJECTED;
1430 				SMC_RET1(handle, status);
1431 			}
1432 		}
1433 
1434 		/* Make sure we have valid response payload length and buffer */
1435 		if (resp_payload_len != 0U) {
1436 			resp_payload_addr = (uint32_t *)x5;
1437 			if (resp_payload_addr == NULL) {
1438 				ERROR("MBOX: 0x%x: Response payload address is NULL\n",
1439 					smc_fid);
1440 				status = INTEL_SIP_SMC_STATUS_REJECTED;
1441 				SMC_RET1(handle, status);
1442 			}
1443 		}
1444 
1445 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1446 						   GET_JOB_ID(x1),
1447 						   mbox_cmd,
1448 						   (uint32_t *)cmd_payload_addr,
1449 						   cmd_payload_len,
1450 						   MBOX_CMD_FLAG_CASUAL,
1451 						   sip_smc_ret_nbytes_cb,
1452 						   (uint32_t *)resp_payload_addr,
1453 						   resp_payload_len);
1454 
1455 		SMC_RET1(handle, status);
1456 	}
1457 
1458 	case ALTERA_SIP_SMC_ASYNC_FCS_RANDOM_NUMBER_EXT:
1459 	{
1460 		uint32_t session_id = (uint32_t)x2;
1461 		uint32_t context_id = (uint32_t)x3;
1462 		uint64_t ret_random_addr = (uint64_t)x4;
1463 		uint32_t random_len = (uint32_t)SMC_GET_GP(handle, CTX_GPREG_X5);
1464 		uint32_t crypto_header = 0U;
1465 
1466 		if ((random_len > (FCS_RANDOM_EXT_MAX_WORD_SIZE * MBOX_WORD_BYTE)) ||
1467 		    (random_len == 0U) ||
1468 		    (!is_size_4_bytes_aligned(random_len))) {
1469 			ERROR("MBOX: 0x%x is rejected\n", smc_fid);
1470 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1471 			SMC_RET1(handle, status);
1472 		}
1473 
1474 		crypto_header = ((FCS_CS_FIELD_FLAG_INIT | FCS_CS_FIELD_FLAG_FINALIZE) <<
1475 				  FCS_CS_FIELD_FLAG_OFFSET);
1476 		fcs_rng_payload payload = {session_id, context_id,
1477 					   crypto_header, random_len};
1478 
1479 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1480 						   GET_JOB_ID(x1),
1481 						   MBOX_FCS_RANDOM_GEN,
1482 						   (uint32_t *)&payload,
1483 						   sizeof(payload) / MBOX_WORD_BYTE,
1484 						   MBOX_CMD_FLAG_CASUAL,
1485 						   sip_smc_ret_nbytes_cb,
1486 						   (uint32_t *)ret_random_addr,
1487 						   2);
1488 		SMC_RET1(handle, status);
1489 	}
1490 
1491 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_PROVISION_DATA:
1492 	{
1493 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1494 						   GET_JOB_ID(x1),
1495 						   MBOX_FCS_GET_PROVISION,
1496 						   NULL,
1497 						   0U,
1498 						   MBOX_CMD_FLAG_CASUAL,
1499 						   sip_smc_ret_nbytes_cb,
1500 						   (uint32_t *)x2,
1501 						   2);
1502 		SMC_RET1(handle, status);
1503 	}
1504 
1505 	case ALTERA_SIP_SMC_ASYNC_FCS_CNTR_SET_PREAUTH:
1506 	{
1507 		status = intel_fcs_cntr_set_preauth(smc_fid, x1, x2, x3,
1508 					x4, &mbox_error);
1509 		SMC_RET1(handle, status);
1510 	}
1511 
1512 	case ALTERA_SIP_SMC_ASYNC_FCS_CHIP_ID:
1513 	{
1514 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1515 						   GET_JOB_ID(x1),
1516 						   MBOX_CMD_GET_CHIPID,
1517 						   NULL,
1518 						   0U,
1519 						   MBOX_CMD_FLAG_CASUAL,
1520 						   sip_smc_get_chipid_cb,
1521 						   NULL,
1522 						   0);
1523 		SMC_RET1(handle, status);
1524 	}
1525 
1526 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_ATTESTATION_CERT:
1527 	{
1528 		status = intel_fcs_get_attestation_cert(smc_fid, x1, x2, x3,
1529 					(uint32_t *) &x4, &mbox_error);
1530 		SMC_RET1(handle, status);
1531 	}
1532 
1533 	case ALTERA_SIP_SMC_ASYNC_FCS_CREATE_CERT_ON_RELOAD:
1534 	{
1535 		status = intel_fcs_create_cert_on_reload(smc_fid, x1,
1536 					x2, &mbox_error);
1537 		SMC_RET1(handle, status);
1538 	}
1539 
1540 	case ALTERA_SIP_SMC_ASYNC_FCS_CRYPTION_EXT:
1541 	{
1542 		if (x4 == FCS_MODE_ENCRYPT) {
1543 			status = intel_fcs_encryption_ext(smc_fid, x1, x2, x3,
1544 					x5, x6, x7, (uint32_t *) &x8,
1545 					&mbox_error, x10, x11);
1546 		} else if (x4 == FCS_MODE_DECRYPT) {
1547 			status = intel_fcs_decryption_ext(smc_fid, x1, x2, x3,
1548 					x5, x6, x7, (uint32_t *) &x8,
1549 					&mbox_error, x9, x10, x11);
1550 		} else {
1551 			ERROR("MBOX: 0x%x: Wrong crypto mode\n", smc_fid);
1552 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1553 		}
1554 		SMC_RET1(handle, status);
1555 	}
1556 
1557 	case ALTERA_SIP_SMC_ASYNC_FCS_SEND_CERTIFICATE:
1558 	{
1559 		status = intel_fcs_send_cert(smc_fid, x1, x2, x3, &mbox_error);
1560 		SMC_RET1(handle, status);
1561 	}
1562 
1563 	case ALTERA_SIP_SMC_ASYNC_FCS_OPEN_CS_SESSION:
1564 	{
1565 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1566 						   GET_JOB_ID(x1),
1567 						   MBOX_FCS_OPEN_CS_SESSION,
1568 						   NULL,
1569 						   0U,
1570 						   MBOX_CMD_FLAG_CASUAL,
1571 						   sip_smc_cmd_cb_ret3,
1572 						   NULL,
1573 						   0);
1574 		SMC_RET1(handle, status);
1575 	}
1576 
1577 	case ALTERA_SIP_SMC_ASYNC_FCS_CLOSE_CS_SESSION:
1578 	{
1579 		uint32_t session_id = (uint32_t)x2;
1580 
1581 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1582 						   GET_JOB_ID(x1),
1583 						   MBOX_FCS_CLOSE_CS_SESSION,
1584 						   &session_id,
1585 						   1U,
1586 						   MBOX_CMD_FLAG_CASUAL,
1587 						   sip_smc_cmd_cb_ret2,
1588 						   NULL,
1589 						   0);
1590 		SMC_RET1(handle, status);
1591 	}
1592 
1593 	case ALTERA_SIP_SMC_ASYNC_FCS_IMPORT_CS_KEY:
1594 	{
1595 		uint64_t key_addr = x2;
1596 		uint32_t key_len_words = (uint32_t)x3 / MBOX_WORD_BYTE;
1597 
1598 		if ((key_len_words > FCS_CS_KEY_OBJ_MAX_WORD_SIZE) ||
1599 		    (!is_address_in_ddr_range(key_addr, key_len_words * 4))) {
1600 			ERROR("MBOX: 0x%x: Addr not in DDR range or key len exceeds\n",
1601 				smc_fid);
1602 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1603 			SMC_RET1(handle, status);
1604 		}
1605 
1606 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1607 						   GET_JOB_ID(x1),
1608 						   MBOX_FCS_IMPORT_CS_KEY,
1609 						   (uint32_t *)key_addr,
1610 						   key_len_words,
1611 						   MBOX_CMD_FLAG_CASUAL,
1612 						   sip_smc_cmd_cb_ret3,
1613 						   NULL,
1614 						   0);
1615 		SMC_RET1(handle, status);
1616 	}
1617 
1618 	case ALTERA_SIP_SMC_ASYNC_FCS_CREATE_CS_KEY:
1619 	{
1620 		uint64_t key_addr = x2;
1621 		uint32_t key_len_words = (uint32_t)x3 / MBOX_WORD_BYTE;
1622 
1623 		if (!is_address_in_ddr_range(key_addr, key_len_words * 4)) {
1624 			ERROR("MBOX: 0x%x: Addr not in DDR range\n", smc_fid);
1625 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1626 			SMC_RET1(handle, status);
1627 		}
1628 
1629 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1630 						   GET_JOB_ID(x1),
1631 						   MBOX_FCS_CREATE_CS_KEY,
1632 						   (uint32_t *)key_addr,
1633 						   key_len_words,
1634 						   MBOX_CMD_FLAG_CASUAL,
1635 						   sip_smc_cmd_cb_ret3,
1636 						   NULL,
1637 						   0);
1638 		SMC_RET1(handle, status);
1639 	}
1640 
1641 	case ALTERA_SIP_SMC_ASYNC_FCS_EXPORT_CS_KEY:
1642 	{
1643 		uint32_t session_id = (uint32_t)x2;
1644 		uint32_t key_uid = (uint32_t)x3;
1645 		uint64_t ret_key_addr = (uint64_t)x4;
1646 		uint32_t key_len = (uint32_t)SMC_GET_GP(handle, CTX_GPREG_X5);
1647 
1648 		if (!is_address_in_ddr_range(ret_key_addr, key_len)) {
1649 			ERROR("MBOX: 0x%x: Addr not in DDR range\n", smc_fid);
1650 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1651 			SMC_RET1(handle, status);
1652 		}
1653 
1654 		fcs_cs_key_payload payload = {session_id, RESERVED_AS_ZERO,
1655 					      RESERVED_AS_ZERO, key_uid};
1656 
1657 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1658 						   GET_JOB_ID(x1),
1659 						   MBOX_FCS_EXPORT_CS_KEY,
1660 						   (uint32_t *)&payload,
1661 						   sizeof(payload) / MBOX_WORD_BYTE,
1662 						   MBOX_CMD_FLAG_CASUAL,
1663 						   sip_smc_ret_nbytes_cb,
1664 						   (uint32_t *)ret_key_addr,
1665 						   2);
1666 		SMC_RET1(handle, status);
1667 	}
1668 
1669 	case ALTERA_SIP_SMC_ASYNC_FCS_REMOVE_CS_KEY:
1670 	{
1671 		uint32_t session_id = (uint32_t)x2;
1672 		uint32_t key_uid = (uint32_t)x3;
1673 
1674 		fcs_cs_key_payload payload = {session_id, RESERVED_AS_ZERO,
1675 					      RESERVED_AS_ZERO, key_uid};
1676 
1677 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1678 						   GET_JOB_ID(x1),
1679 						   MBOX_FCS_REMOVE_CS_KEY,
1680 						   (uint32_t *)&payload,
1681 						   sizeof(payload) / MBOX_WORD_BYTE,
1682 						   MBOX_CMD_FLAG_CASUAL,
1683 						   sip_smc_cmd_cb_ret3,
1684 						   NULL,
1685 						   0);
1686 		SMC_RET1(handle, status);
1687 	}
1688 
1689 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_CS_KEY_INFO:
1690 	{
1691 		uint32_t session_id = (uint32_t)x2;
1692 		uint32_t key_uid = (uint32_t)x3;
1693 		uint64_t ret_key_addr = (uint64_t)x4;
1694 		uint32_t key_len = (uint32_t)SMC_GET_GP(handle, CTX_GPREG_X5);
1695 
1696 		if (!is_address_in_ddr_range(ret_key_addr, key_len)) {
1697 			ERROR("MBOX: 0x%x: Addr not in DDR range\n", smc_fid);
1698 			status = INTEL_SIP_SMC_STATUS_REJECTED;
1699 			SMC_RET1(handle, status);
1700 		}
1701 
1702 		fcs_cs_key_payload payload = {session_id, RESERVED_AS_ZERO,
1703 					      RESERVED_AS_ZERO, key_uid};
1704 
1705 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1706 						   GET_JOB_ID(x1),
1707 						   MBOX_FCS_GET_CS_KEY_INFO,
1708 						   (uint32_t *)&payload,
1709 						   sizeof(payload) / MBOX_WORD_BYTE,
1710 						   MBOX_CMD_FLAG_CASUAL,
1711 						   sip_smc_ret_nbytes_cb,
1712 						   (uint32_t *)ret_key_addr,
1713 						   2);
1714 		SMC_RET1(handle, status);
1715 	}
1716 
1717 	case ALTERA_SIP_SMC_ASYNC_FCS_AES_CRYPT_INIT:
1718 	{
1719 		status = intel_fcs_aes_crypt_init(x2, x3, x4, x5,
1720 					x6, &mbox_error);
1721 		SMC_RET1(handle, status);
1722 	}
1723 
1724 	case ALTERA_SIP_SMC_ASYNC_FCS_AES_CRYPT_UPDATE:
1725 	case ALTERA_SIP_SMC_ASYNC_FCS_AES_CRYPT_FINALIZE:
1726 	{
1727 		uint32_t job_id = 0U;
1728 		bool is_final = (smc_fid == ALTERA_SIP_SMC_ASYNC_FCS_AES_CRYPT_FINALIZE) ?
1729 				true : false;
1730 
1731 		status = intel_fcs_aes_crypt_update_finalize(smc_fid, x1, x2,
1732 					x3, x4, x5, x6, x7, x8, is_final,
1733 					&job_id, x9, x10);
1734 		SMC_RET1(handle, status);
1735 	}
1736 
1737 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_DIGEST_INIT:
1738 	{
1739 		status = intel_fcs_get_digest_init(x2, x3, x4, x5, x6,
1740 					&mbox_error);
1741 		SMC_RET1(handle, status);
1742 	}
1743 
1744 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_DIGEST_UPDATE:
1745 	case ALTERA_SIP_SMC_ASYNC_FCS_GET_DIGEST_FINALIZE:
1746 	{
1747 		bool is_final = (smc_fid == ALTERA_SIP_SMC_ASYNC_FCS_GET_DIGEST_FINALIZE) ?
1748 				true : false;
1749 
1750 		status = intel_fcs_get_digest_update_finalize(smc_fid, x1, x2,
1751 					x3, x4, x5, x6, (uint32_t *) &x7,
1752 					is_final, &mbox_error, x8);
1753 
1754 		SMC_RET1(handle, status);
1755 	}
1756 
1757 	case ALTERA_SIP_SMC_ASYNC_FCS_MAC_VERIFY_INIT:
1758 	{
1759 		status = intel_fcs_mac_verify_init(x2, x3, x4, x5, x6,
1760 					&mbox_error);
1761 		SMC_RET1(handle, status);
1762 	}
1763 
1764 	case ALTERA_SIP_SMC_ASYNC_FCS_MAC_VERIFY_UPDATE:
1765 	case ALTERA_SIP_SMC_ASYNC_FCS_MAC_VERIFY_FINALIZE:
1766 	{
1767 		bool is_final = (smc_fid == ALTERA_SIP_SMC_ASYNC_FCS_MAC_VERIFY_FINALIZE) ?
1768 				true : false;
1769 
1770 		status = intel_fcs_mac_verify_update_finalize(smc_fid, x1, x2,
1771 					x3, x4, x5, x6, (uint32_t *) &x7, x8,
1772 					is_final, &mbox_error, x9);
1773 		SMC_RET1(handle, status);
1774 	}
1775 
1776 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_HASH_SIGN_INIT:
1777 	{
1778 		status = intel_fcs_ecdsa_hash_sign_init(x2, x3, x4, x5, x6,
1779 					&mbox_error);
1780 		SMC_RET1(handle, status);
1781 	}
1782 
1783 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_HASH_SIGN_FINALIZE:
1784 	{
1785 		status = intel_fcs_ecdsa_hash_sign_finalize(smc_fid, x1, x2, x3,
1786 					x4, x5, x6, (uint32_t *) &x7,
1787 					&mbox_error);
1788 		SMC_RET1(handle, status);
1789 	}
1790 
1791 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIGN_INIT:
1792 	{
1793 		status = intel_fcs_ecdsa_sha2_data_sign_init(x2, x3, x4, x5, x6,
1794 					&mbox_error);
1795 		SMC_RET1(handle, status);
1796 	}
1797 
1798 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIGN_UPDATE:
1799 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE:
1800 	{
1801 		bool is_final = (smc_fid == ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE)
1802 				? true : false;
1803 
1804 		status = intel_fcs_ecdsa_sha2_data_sign_update_finalize(smc_fid,
1805 					x1, x2, x3, x4, x5, x6, (uint32_t *) &x7,
1806 					is_final, &mbox_error, x8);
1807 		SMC_RET1(handle, status);
1808 	}
1809 
1810 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_HASH_SIG_VERIFY_INIT:
1811 	{
1812 		status = intel_fcs_ecdsa_hash_sig_verify_init(x2, x3, x4, x5,
1813 					x6, &mbox_error);
1814 		SMC_RET1(handle, status);
1815 	}
1816 
1817 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_HASH_SIG_VERIFY_FINALIZE:
1818 	{
1819 		status = intel_fcs_ecdsa_hash_sig_verify_finalize(smc_fid, x1,
1820 					x2, x3, x4, x5, x6, (uint32_t *) &x7,
1821 					&mbox_error);
1822 		SMC_RET1(handle, status);
1823 	}
1824 
1825 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_INIT:
1826 	{
1827 		status = intel_fcs_ecdsa_sha2_data_sig_verify_init(x2, x3, x4,
1828 					x5, x6, &mbox_error);
1829 		SMC_RET1(handle, status);
1830 	}
1831 
1832 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_UPDATE:
1833 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE:
1834 	{
1835 		bool is_final = (smc_fid ==
1836 				ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE) ?
1837 				true : false;
1838 
1839 		status = intel_fcs_ecdsa_sha2_data_sig_verify_update_finalize(
1840 					smc_fid, x1, x2, x3, x4, x5, x6,
1841 					(uint32_t *) &x7, x8, is_final,
1842 					&mbox_error, x9);
1843 		SMC_RET1(handle, status);
1844 	}
1845 
1846 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_GET_PUBKEY_INIT:
1847 	{
1848 		status = intel_fcs_ecdsa_get_pubkey_init(x2, x3, x4, x5, x6,
1849 					&mbox_error);
1850 		SMC_RET1(handle, status);
1851 	}
1852 
1853 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDSA_GET_PUBKEY_FINALIZE:
1854 	{
1855 		status = intel_fcs_ecdsa_get_pubkey_finalize(smc_fid, x1, x2, x3,
1856 					x4, (uint32_t *) &x5, &mbox_error);
1857 		SMC_RET1(handle, status);
1858 	}
1859 
1860 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDH_REQUEST_INIT:
1861 	{
1862 		status = intel_fcs_ecdh_request_init(x2, x3, x4, x5, x6,
1863 					&mbox_error);
1864 		SMC_RET1(handle, status);
1865 	}
1866 
1867 	case ALTERA_SIP_SMC_ASYNC_FCS_ECDH_REQUEST_FINALIZE:
1868 	{
1869 		uint32_t dest_size = (uint32_t)x7;
1870 
1871 		NOTICE("MBOX: %s, %d: x7 0x%x, dest_size 0x%x\n",
1872 			__func__, __LINE__, (uint32_t)x7, dest_size);
1873 
1874 		status = intel_fcs_ecdh_request_finalize(smc_fid, x1, x2, x3,
1875 					x4, x5, x6, (uint32_t *) &dest_size,
1876 					&mbox_error);
1877 		SMC_RET1(handle, status);
1878 	}
1879 
1880 	case ALTERA_SIP_SMC_ASYNC_MCTP_MSG:
1881 	{
1882 		uint32_t *src_addr = (uint32_t *)x2;
1883 		uint32_t src_size = (uint32_t)x3;
1884 		uint32_t *dst_addr = (uint32_t *)x4;
1885 
1886 		status = mailbox_send_cmd_async_v3(GET_CLIENT_ID(x1),
1887 						   GET_JOB_ID(x1),
1888 						   MBOX_CMD_MCTP_MSG,
1889 						   src_addr,
1890 						   src_size / MBOX_WORD_BYTE,
1891 						   MBOX_CMD_FLAG_CASUAL,
1892 						   sip_smc_ret_nbytes_cb,
1893 						   dst_addr,
1894 						   2);
1895 
1896 		SMC_RET1(handle, status);
1897 	}
1898 
1899 	case ALTERA_SIP_SMC_ASYNC_FCS_HKDF_REQUEST:
1900 	{
1901 		status = intel_fcs_hkdf_request(smc_fid, x1, x2, x3, x4, x5, x6,
1902 					x7);
1903 		SMC_RET1(handle, status);
1904 	}
1905 
1906 	default:
1907 		return socfpga_sip_handler(smc_fid, x1, x2, x3, x4,
1908 					   cookie, handle, flags);
1909 	} /* switch (smc_fid) */
1910 }
1911 #endif
1912 
1913 /*
1914  * This function is responsible for handling all SiP calls from the NS world
1915  */
1916 
1917 uintptr_t sip_smc_handler_v1(uint32_t smc_fid,
1918 			 u_register_t x1,
1919 			 u_register_t x2,
1920 			 u_register_t x3,
1921 			 u_register_t x4,
1922 			 void *cookie,
1923 			 void *handle,
1924 			 u_register_t flags)
1925 {
1926 	uint32_t retval = 0, completed_addr[3];
1927 	uint32_t retval2 = 0;
1928 	uint32_t mbox_error = 0;
1929 	uint32_t err_states = 0;
1930 	uint64_t retval64, rsu_respbuf[9];
1931 	uint32_t seu_respbuf[3];
1932 	int status = INTEL_SIP_SMC_STATUS_OK;
1933 	int mbox_status;
1934 	unsigned int len_in_resp = 0;
1935 	u_register_t x5, x6, x7;
1936 
1937 	switch (smc_fid) {
1938 	case SIP_SVC_UID:
1939 		/* Return UID to the caller */
1940 		SMC_UUID_RET(handle, intl_svc_uid);
1941 
1942 	case INTEL_SIP_SMC_FPGA_CONFIG_ISDONE:
1943 		status = intel_mailbox_fpga_config_isdone(&err_states);
1944 		SMC_RET4(handle, status, err_states, 0, 0);
1945 
1946 	case INTEL_SIP_SMC_FPGA_CONFIG_GET_MEM:
1947 		SMC_RET3(handle, INTEL_SIP_SMC_STATUS_OK,
1948 			INTEL_SIP_SMC_FPGA_CONFIG_ADDR,
1949 			INTEL_SIP_SMC_FPGA_CONFIG_SIZE -
1950 				INTEL_SIP_SMC_FPGA_CONFIG_ADDR);
1951 
1952 	case INTEL_SIP_SMC_FPGA_CONFIG_START:
1953 		status = intel_fpga_config_start(x1);
1954 		SMC_RET4(handle, status, 0, 0, 0);
1955 
1956 	case INTEL_SIP_SMC_FPGA_CONFIG_WRITE:
1957 		status = intel_fpga_config_write(x1, x2);
1958 		SMC_RET4(handle, status, 0, 0, 0);
1959 
1960 	case INTEL_SIP_SMC_FPGA_CONFIG_COMPLETED_WRITE:
1961 		status = intel_fpga_config_completed_write(completed_addr,
1962 							&retval, &rcv_id);
1963 		switch (retval) {
1964 		case 1:
1965 			SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK,
1966 				completed_addr[0], 0, 0);
1967 
1968 		case 2:
1969 			SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK,
1970 				completed_addr[0],
1971 				completed_addr[1], 0);
1972 
1973 		case 3:
1974 			SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK,
1975 				completed_addr[0],
1976 				completed_addr[1],
1977 				completed_addr[2]);
1978 
1979 		case 0:
1980 			SMC_RET4(handle, status, 0, 0, 0);
1981 
1982 		default:
1983 			mailbox_clear_response();
1984 			SMC_RET1(handle, INTEL_SIP_SMC_STATUS_ERROR);
1985 		}
1986 
1987 	case INTEL_SIP_SMC_REG_READ:
1988 		status = intel_secure_reg_read(x1, &retval);
1989 		SMC_RET3(handle, status, retval, x1);
1990 
1991 	case INTEL_SIP_SMC_REG_WRITE:
1992 		status = intel_secure_reg_write(x1, (uint32_t)x2, &retval);
1993 		SMC_RET3(handle, status, retval, x1);
1994 
1995 	case INTEL_SIP_SMC_REG_UPDATE:
1996 		status = intel_secure_reg_update(x1, (uint32_t)x2,
1997 						 (uint32_t)x3, &retval);
1998 		SMC_RET3(handle, status, retval, x1);
1999 
2000 	case INTEL_SIP_SMC_RSU_STATUS:
2001 		status = intel_rsu_status(rsu_respbuf,
2002 					ARRAY_SIZE(rsu_respbuf));
2003 		if (status) {
2004 			SMC_RET1(handle, status);
2005 		} else {
2006 			SMC_RET4(handle, rsu_respbuf[0], rsu_respbuf[1],
2007 					rsu_respbuf[2], rsu_respbuf[3]);
2008 		}
2009 
2010 	case INTEL_SIP_SMC_RSU_UPDATE:
2011 		status = intel_rsu_update(x1);
2012 		SMC_RET1(handle, status);
2013 
2014 	case INTEL_SIP_SMC_RSU_NOTIFY:
2015 		status = intel_rsu_notify(x1);
2016 		SMC_RET1(handle, status);
2017 
2018 	case INTEL_SIP_SMC_RSU_RETRY_COUNTER:
2019 		status = intel_rsu_retry_counter((uint32_t *)rsu_respbuf,
2020 						ARRAY_SIZE(rsu_respbuf), &retval);
2021 		if (status) {
2022 			SMC_RET1(handle, status);
2023 		} else {
2024 			SMC_RET2(handle, status, retval);
2025 		}
2026 
2027 	case INTEL_SIP_SMC_RSU_DCMF_VERSION:
2028 		SMC_RET3(handle, INTEL_SIP_SMC_STATUS_OK,
2029 			 ((uint64_t)rsu_dcmf_ver[1] << 32) | rsu_dcmf_ver[0],
2030 			 ((uint64_t)rsu_dcmf_ver[3] << 32) | rsu_dcmf_ver[2]);
2031 
2032 	case INTEL_SIP_SMC_RSU_COPY_DCMF_VERSION:
2033 		status = intel_rsu_copy_dcmf_version(x1, x2);
2034 		SMC_RET1(handle, status);
2035 
2036 	case INTEL_SIP_SMC_RSU_GET_DEVICE_INFO:
2037 		status = intel_rsu_get_device_info((uint32_t *)rsu_respbuf,
2038 					ARRAY_SIZE(rsu_respbuf));
2039 		if (status) {
2040 			SMC_RET1(handle, status);
2041 		} else {
2042 			SMC_RET5(handle, status, rsu_respbuf[0], rsu_respbuf[1],
2043 				 rsu_respbuf[2], rsu_respbuf[3]);
2044 		}
2045 
2046 	case INTEL_SIP_SMC_RSU_DCMF_STATUS:
2047 		SMC_RET2(handle, INTEL_SIP_SMC_STATUS_OK,
2048 			 ((uint64_t)rsu_dcmf_stat[3] << 48) |
2049 			 ((uint64_t)rsu_dcmf_stat[2] << 32) |
2050 			 ((uint64_t)rsu_dcmf_stat[1] << 16) |
2051 			 rsu_dcmf_stat[0]);
2052 
2053 	case INTEL_SIP_SMC_RSU_COPY_DCMF_STATUS:
2054 		status = intel_rsu_copy_dcmf_status(x1);
2055 		SMC_RET1(handle, status);
2056 
2057 	case INTEL_SIP_SMC_RSU_MAX_RETRY:
2058 		SMC_RET2(handle, INTEL_SIP_SMC_STATUS_OK, rsu_max_retry);
2059 
2060 	case INTEL_SIP_SMC_RSU_COPY_MAX_RETRY:
2061 		rsu_max_retry = x1;
2062 		SMC_RET1(handle, INTEL_SIP_SMC_STATUS_OK);
2063 
2064 	case INTEL_SIP_SMC_ECC_DBE:
2065 		status = intel_ecc_dbe_notification(x1);
2066 		SMC_RET1(handle, status);
2067 
2068 	case INTEL_SIP_SMC_SERVICE_COMPLETED:
2069 		status = intel_smc_service_completed(x1, x2, x3, &rcv_id,
2070 						&len_in_resp, &mbox_error);
2071 		SMC_RET4(handle, status, mbox_error, x1, len_in_resp);
2072 
2073 	case INTEL_SIP_SMC_FIRMWARE_VERSION:
2074 		status = intel_smc_fw_version(&retval);
2075 		SMC_RET2(handle, status, retval);
2076 
2077 	case INTEL_SIP_SMC_MBOX_SEND_CMD:
2078 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2079 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2080 		status = intel_mbox_send_cmd(x1, (uint32_t *)x2, x3, x4, x5, x6,
2081 						&mbox_status, &len_in_resp);
2082 		SMC_RET3(handle, status, mbox_status, len_in_resp);
2083 
2084 	case INTEL_SIP_SMC_GET_USERCODE:
2085 		status = intel_smc_get_usercode(&retval);
2086 		SMC_RET2(handle, status, retval);
2087 
2088 	case INTEL_SIP_SMC_FCS_CRYPTION:
2089 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2090 
2091 		if (x1 == FCS_MODE_DECRYPT) {
2092 			status = intel_fcs_decryption(x2, x3, x4, x5, &send_id);
2093 		} else if (x1 == FCS_MODE_ENCRYPT) {
2094 			status = intel_fcs_encryption(x2, x3, x4, x5, &send_id);
2095 		} else {
2096 			status = INTEL_SIP_SMC_STATUS_REJECTED;
2097 		}
2098 
2099 		SMC_RET3(handle, status, x4, x5);
2100 
2101 	case INTEL_SIP_SMC_FCS_CRYPTION_EXT:
2102 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2103 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2104 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2105 
2106 		if (x3 == FCS_MODE_DECRYPT) {
2107 			status = intel_fcs_decryption_ext(smc_fid, 0, x1, x2, x4, x5, x6,
2108 					(uint32_t *) &x7, &mbox_error, 0, 0, 0);
2109 		} else if (x3 == FCS_MODE_ENCRYPT) {
2110 			status = intel_fcs_encryption_ext(smc_fid, 0, x1, x2, x4, x5, x6,
2111 					(uint32_t *) &x7, &mbox_error, 0, 0);
2112 		} else {
2113 			status = INTEL_SIP_SMC_STATUS_REJECTED;
2114 		}
2115 
2116 		SMC_RET4(handle, status, mbox_error, x6, x7);
2117 
2118 	case INTEL_SIP_SMC_FCS_RANDOM_NUMBER:
2119 		status = intel_fcs_random_number_gen(x1, &retval64,
2120 							&mbox_error);
2121 		SMC_RET4(handle, status, mbox_error, x1, retval64);
2122 
2123 	case INTEL_SIP_SMC_FCS_RANDOM_NUMBER_EXT:
2124 		status = intel_fcs_random_number_gen_ext(x1, x2, x3,
2125 							&send_id);
2126 		SMC_RET1(handle, status);
2127 
2128 	case INTEL_SIP_SMC_FCS_SEND_CERTIFICATE:
2129 		status = intel_fcs_send_cert(smc_fid, 0, x1, x2, &send_id);
2130 		SMC_RET1(handle, status);
2131 
2132 	case INTEL_SIP_SMC_FCS_GET_PROVISION_DATA:
2133 		status = intel_fcs_get_provision_data(&send_id);
2134 		SMC_RET1(handle, status);
2135 
2136 	case INTEL_SIP_SMC_FCS_CNTR_SET_PREAUTH:
2137 		status = intel_fcs_cntr_set_preauth(smc_fid, 0, x1, x2, x3,
2138 							&mbox_error);
2139 		SMC_RET2(handle, status, mbox_error);
2140 
2141 	case INTEL_SIP_SMC_HPS_SET_BRIDGES:
2142 		status = intel_hps_set_bridges(x1, x2);
2143 		SMC_RET1(handle, status);
2144 
2145 	case INTEL_SIP_SMC_HWMON_READTEMP:
2146 		status = intel_hwmon_readtemp(x1, &retval);
2147 		SMC_RET2(handle, status, retval);
2148 
2149 	case INTEL_SIP_SMC_HWMON_READVOLT:
2150 		status = intel_hwmon_readvolt(x1, &retval);
2151 		SMC_RET2(handle, status, retval);
2152 
2153 	case INTEL_SIP_SMC_FCS_PSGSIGMA_TEARDOWN:
2154 		status = intel_fcs_sigma_teardown(x1, &mbox_error);
2155 		SMC_RET2(handle, status, mbox_error);
2156 
2157 	case INTEL_SIP_SMC_FCS_CHIP_ID:
2158 		status = intel_fcs_chip_id(&retval, &retval2, &mbox_error);
2159 		SMC_RET4(handle, status, mbox_error, retval, retval2);
2160 
2161 	case INTEL_SIP_SMC_FCS_ATTESTATION_SUBKEY:
2162 		status = intel_fcs_attestation_subkey(x1, x2, x3,
2163 					(uint32_t *) &x4, &mbox_error);
2164 		SMC_RET4(handle, status, mbox_error, x3, x4);
2165 
2166 	case INTEL_SIP_SMC_FCS_ATTESTATION_MEASUREMENTS:
2167 		status = intel_fcs_get_measurement(x1, x2, x3,
2168 					(uint32_t *) &x4, &mbox_error);
2169 		SMC_RET4(handle, status, mbox_error, x3, x4);
2170 
2171 	case INTEL_SIP_SMC_FCS_GET_ATTESTATION_CERT:
2172 		status = intel_fcs_get_attestation_cert(smc_fid, 0, x1, x2,
2173 					(uint32_t *) &x3, &mbox_error);
2174 		SMC_RET4(handle, status, mbox_error, x2, x3);
2175 
2176 	case INTEL_SIP_SMC_FCS_CREATE_CERT_ON_RELOAD:
2177 		status = intel_fcs_create_cert_on_reload(smc_fid, 0, x1, &mbox_error);
2178 		SMC_RET2(handle, status, mbox_error);
2179 
2180 	case INTEL_SIP_SMC_FCS_OPEN_CS_SESSION:
2181 		status = intel_fcs_open_crypto_service_session(&retval, &mbox_error);
2182 		SMC_RET3(handle, status, mbox_error, retval);
2183 
2184 	case INTEL_SIP_SMC_FCS_CLOSE_CS_SESSION:
2185 		status = intel_fcs_close_crypto_service_session(x1, &mbox_error);
2186 		SMC_RET2(handle, status, mbox_error);
2187 
2188 	case INTEL_SIP_SMC_FCS_IMPORT_CS_KEY:
2189 		status = intel_fcs_import_crypto_service_key(x1, x2, &send_id);
2190 		SMC_RET1(handle, status);
2191 
2192 	case INTEL_SIP_SMC_FCS_EXPORT_CS_KEY:
2193 		status = intel_fcs_export_crypto_service_key(x1, x2, x3,
2194 					(uint32_t *) &x4, &mbox_error);
2195 		SMC_RET4(handle, status, mbox_error, x3, x4);
2196 
2197 	case INTEL_SIP_SMC_FCS_REMOVE_CS_KEY:
2198 		status = intel_fcs_remove_crypto_service_key(x1, x2,
2199 					&mbox_error);
2200 		SMC_RET2(handle, status, mbox_error);
2201 
2202 	case INTEL_SIP_SMC_FCS_GET_CS_KEY_INFO:
2203 		status = intel_fcs_get_crypto_service_key_info(x1, x2, x3,
2204 					(uint32_t *) &x4, &mbox_error);
2205 		SMC_RET4(handle, status, mbox_error, x3, x4);
2206 
2207 	case INTEL_SIP_SMC_FCS_GET_DIGEST_INIT:
2208 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2209 		status = intel_fcs_get_digest_init(x1, x2, x3,
2210 					x4, x5, &mbox_error);
2211 		SMC_RET2(handle, status, mbox_error);
2212 
2213 	case INTEL_SIP_SMC_FCS_GET_DIGEST_UPDATE:
2214 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2215 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2216 		status = intel_fcs_get_digest_update_finalize(smc_fid, 0, x1, x2,
2217 					x3, x4, x5, (uint32_t *) &x6, false,
2218 					&mbox_error, 0);
2219 		SMC_RET4(handle, status, mbox_error, x5, x6);
2220 
2221 	case INTEL_SIP_SMC_FCS_GET_DIGEST_FINALIZE:
2222 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2223 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2224 		status = intel_fcs_get_digest_update_finalize(smc_fid, 0, x1, x2,
2225 					x3, x4, x5, (uint32_t *) &x6, true,
2226 					&mbox_error, 0);
2227 		SMC_RET4(handle, status, mbox_error, x5, x6);
2228 
2229 	case INTEL_SIP_SMC_FCS_GET_DIGEST_SMMU_UPDATE:
2230 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2231 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2232 		status = intel_fcs_get_digest_smmu_update_finalize(x1, x2, x3,
2233 					x4, x5, (uint32_t *) &x6, false,
2234 					&mbox_error, &send_id);
2235 		SMC_RET4(handle, status, mbox_error, x5, x6);
2236 
2237 	case INTEL_SIP_SMC_FCS_GET_DIGEST_SMMU_FINALIZE:
2238 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2239 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2240 		status = intel_fcs_get_digest_smmu_update_finalize(x1, x2, x3,
2241 					x4, x5, (uint32_t *) &x6, true,
2242 					&mbox_error, &send_id);
2243 		SMC_RET4(handle, status, mbox_error, x5, x6);
2244 
2245 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_INIT:
2246 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2247 		status = intel_fcs_mac_verify_init(x1, x2, x3,
2248 					x4, x5, &mbox_error);
2249 		SMC_RET2(handle, status, mbox_error);
2250 
2251 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_UPDATE:
2252 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2253 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2254 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2255 		status = intel_fcs_mac_verify_update_finalize(smc_fid, 0, x1, x2,
2256 					x3, x4, x5, (uint32_t *) &x6, x7, false,
2257 					&mbox_error, 0);
2258 		SMC_RET4(handle, status, mbox_error, x5, x6);
2259 
2260 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_FINALIZE:
2261 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2262 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2263 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2264 		status = intel_fcs_mac_verify_update_finalize(smc_fid, 0, x1, x2,
2265 					x3, x4, x5, (uint32_t *) &x6, x7, true,
2266 					&mbox_error, 0);
2267 		SMC_RET4(handle, status, mbox_error, x5, x6);
2268 
2269 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_SMMU_UPDATE:
2270 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2271 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2272 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2273 		status = intel_fcs_mac_verify_smmu_update_finalize(x1, x2, x3,
2274 					x4, x5, (uint32_t *) &x6, x7,
2275 					false, &mbox_error, &send_id);
2276 		SMC_RET4(handle, status, mbox_error, x5, x6);
2277 
2278 	case INTEL_SIP_SMC_FCS_MAC_VERIFY_SMMU_FINALIZE:
2279 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2280 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2281 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2282 		status = intel_fcs_mac_verify_smmu_update_finalize(x1, x2, x3,
2283 					x4, x5, (uint32_t *) &x6, x7,
2284 					true, &mbox_error, &send_id);
2285 		SMC_RET4(handle, status, mbox_error, x5, x6);
2286 
2287 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_INIT:
2288 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2289 		status = intel_fcs_ecdsa_sha2_data_sign_init(x1, x2, x3,
2290 					x4, x5, &mbox_error);
2291 		SMC_RET2(handle, status, mbox_error);
2292 
2293 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_UPDATE:
2294 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2295 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2296 		status = intel_fcs_ecdsa_sha2_data_sign_update_finalize(smc_fid,
2297 					0, x1, x2, x3, x4, x5, (uint32_t *) &x6,
2298 					false, &mbox_error, 0);
2299 		SMC_RET4(handle, status, mbox_error, x5, x6);
2300 
2301 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE:
2302 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2303 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2304 		status = intel_fcs_ecdsa_sha2_data_sign_update_finalize(smc_fid,
2305 					0, x1, x2, x3, x4, x5, (uint32_t *) &x6,
2306 					true, &mbox_error, 0);
2307 		SMC_RET4(handle, status, mbox_error, x5, x6);
2308 
2309 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_SMMU_UPDATE:
2310 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2311 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2312 		status = intel_fcs_ecdsa_sha2_data_sign_smmu_update_finalize(x1,
2313 					x2, x3, x4, x5, (uint32_t *) &x6, false,
2314 					&mbox_error, &send_id);
2315 		SMC_RET4(handle, status, mbox_error, x5, x6);
2316 
2317 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_SMMU_FINALIZE:
2318 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2319 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2320 		status = intel_fcs_ecdsa_sha2_data_sign_smmu_update_finalize(x1,
2321 					x2, x3, x4, x5, (uint32_t *) &x6, true,
2322 					&mbox_error, &send_id);
2323 		SMC_RET4(handle, status, mbox_error, x5, x6);
2324 
2325 	case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIGN_INIT:
2326 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2327 		status = intel_fcs_ecdsa_hash_sign_init(x1, x2, x3,
2328 					x4, x5, &mbox_error);
2329 		SMC_RET2(handle, status, mbox_error);
2330 
2331 	case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIGN_FINALIZE:
2332 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2333 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2334 		status = intel_fcs_ecdsa_hash_sign_finalize(smc_fid, 0, x1, x2,
2335 					x3, x4, x5, (uint32_t *) &x6,
2336 					&mbox_error);
2337 		SMC_RET4(handle, status, mbox_error, x5, x6);
2338 
2339 	case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIG_VERIFY_INIT:
2340 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2341 		status = intel_fcs_ecdsa_hash_sig_verify_init(x1, x2, x3,
2342 					x4, x5, &mbox_error);
2343 		SMC_RET2(handle, status, mbox_error);
2344 
2345 	case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIG_VERIFY_FINALIZE:
2346 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2347 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2348 		status = intel_fcs_ecdsa_hash_sig_verify_finalize(smc_fid, 0, x1,
2349 					x2, x3, x4, x5, (uint32_t *) &x6,
2350 					&mbox_error);
2351 		SMC_RET4(handle, status, mbox_error, x5, x6);
2352 
2353 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_INIT:
2354 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2355 		status = intel_fcs_ecdsa_sha2_data_sig_verify_init(x1, x2, x3,
2356 					x4, x5, &mbox_error);
2357 		SMC_RET2(handle, status, mbox_error);
2358 
2359 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_UPDATE:
2360 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2361 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2362 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2363 		status = intel_fcs_ecdsa_sha2_data_sig_verify_update_finalize(
2364 					smc_fid, 0, x1, x2, x3, x4, x5,
2365 					(uint32_t *) &x6, x7, false,
2366 					&mbox_error, 0);
2367 		SMC_RET4(handle, status, mbox_error, x5, x6);
2368 
2369 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_SMMU_UPDATE:
2370 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2371 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2372 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2373 		status = intel_fcs_ecdsa_sha2_data_sig_verify_smmu_update_finalize(
2374 					x1, x2, x3, x4, x5, (uint32_t *) &x6,
2375 					x7, false, &mbox_error, &send_id);
2376 		SMC_RET4(handle, status, mbox_error, x5, x6);
2377 
2378 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_SMMU_FINALIZE:
2379 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2380 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2381 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2382 		status = intel_fcs_ecdsa_sha2_data_sig_verify_smmu_update_finalize(
2383 					x1, x2, x3, x4, x5, (uint32_t *) &x6,
2384 					x7, true, &mbox_error, &send_id);
2385 		SMC_RET4(handle, status, mbox_error, x5, x6);
2386 
2387 	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE:
2388 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2389 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2390 		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
2391 		status = intel_fcs_ecdsa_sha2_data_sig_verify_update_finalize(
2392 					smc_fid, 0, x1, x2, x3, x4, x5,
2393 					(uint32_t *) &x6, x7, true,
2394 					&mbox_error, 0);
2395 		SMC_RET4(handle, status, mbox_error, x5, x6);
2396 
2397 	case INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_INIT:
2398 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2399 		status = intel_fcs_ecdsa_get_pubkey_init(x1, x2, x3,
2400 					x4, x5, &mbox_error);
2401 		SMC_RET2(handle, status, mbox_error);
2402 
2403 	case INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_FINALIZE:
2404 		status = intel_fcs_ecdsa_get_pubkey_finalize(
2405 				INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_FINALIZE, 0,
2406 				x1, x2, x3, (uint32_t *) &x4, &mbox_error);
2407 		SMC_RET4(handle, status, mbox_error, x3, x4);
2408 
2409 	case INTEL_SIP_SMC_FCS_ECDH_REQUEST_INIT:
2410 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2411 		status = intel_fcs_ecdh_request_init(x1, x2, x3,
2412 					x4, x5, &mbox_error);
2413 		SMC_RET2(handle, status, mbox_error);
2414 
2415 	case INTEL_SIP_SMC_FCS_ECDH_REQUEST_FINALIZE:
2416 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2417 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2418 		status = intel_fcs_ecdh_request_finalize(smc_fid, 0, x1, x2, x3,
2419 					 x4, x5, (uint32_t *) &x6, &mbox_error);
2420 		SMC_RET4(handle, status, mbox_error, x5, x6);
2421 
2422 	case INTEL_SIP_SMC_FCS_AES_CRYPT_INIT:
2423 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2424 		status = intel_fcs_aes_crypt_init(x1, x2, x3, x4, x5,
2425 					&mbox_error);
2426 		SMC_RET2(handle, status, mbox_error);
2427 
2428 	case INTEL_SIP_SMC_FCS_AES_CRYPT_UPDATE:
2429 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2430 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2431 		status = intel_fcs_aes_crypt_update_finalize(smc_fid, 0, x1, x2,
2432 					x3, x4, x5, x6, 0, false, &send_id, 0, 0);
2433 		SMC_RET1(handle, status);
2434 
2435 	case INTEL_SIP_SMC_FCS_AES_CRYPT_FINALIZE:
2436 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
2437 		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
2438 		status = intel_fcs_aes_crypt_update_finalize(smc_fid, 0, x1, x2,
2439 					x3, x4, x5, x6, 0, true, &send_id, 0, 0);
2440 		SMC_RET1(handle, status);
2441 
2442 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
2443 	case INTEL_SIP_SMC_FCS_SDM_REMAPPER_CONFIG:
2444 		status = intel_smmu_hps_remapper_config(x1);
2445 		SMC_RET1(handle, status);
2446 #endif
2447 
2448 	case INTEL_SIP_SMC_GET_ROM_PATCH_SHA384:
2449 		status = intel_fcs_get_rom_patch_sha384(x1, &retval64,
2450 							&mbox_error);
2451 		SMC_RET4(handle, status, mbox_error, x1, retval64);
2452 
2453 	case INTEL_SIP_SMC_SVC_VERSION:
2454 		SMC_RET3(handle, INTEL_SIP_SMC_STATUS_OK,
2455 					SIP_SVC_VERSION_MAJOR,
2456 					SIP_SVC_VERSION_MINOR);
2457 
2458 	case INTEL_SIP_SMC_SEU_ERR_STATUS:
2459 		status = intel_sdm_seu_err_read(seu_respbuf,
2460 					ARRAY_SIZE(seu_respbuf));
2461 		if (status) {
2462 			SMC_RET1(handle, status);
2463 		} else {
2464 			SMC_RET3(handle, seu_respbuf[0], seu_respbuf[1], seu_respbuf[2]);
2465 		}
2466 
2467 	case INTEL_SIP_SMC_SAFE_INJECT_SEU_ERR:
2468 		status = intel_sdm_safe_inject_seu_err((uint32_t *)&x1, (uint32_t)x2);
2469 		SMC_RET1(handle, status);
2470 
2471 	case INTEL_SIP_SMC_ATF_BUILD_VER:
2472 		SMC_RET4(handle, INTEL_SIP_SMC_STATUS_OK, VERSION_MAJOR,
2473 			 VERSION_MINOR, VERSION_PATCH);
2474 
2475 #if PLATFORM_MODEL == PLAT_SOCFPGA_AGILEX5
2476 	case INTEL_SIP_SMC_INJECT_IO96B_ECC_ERR:
2477 		intel_inject_io96b_ecc_err((uint32_t *)&x1, (uint32_t)x2);
2478 		SMC_RET1(handle, INTEL_SIP_SMC_STATUS_OK);
2479 #endif
2480 
2481 	default:
2482 		return socfpga_sip_handler(smc_fid, x1, x2, x3, x4,
2483 			cookie, handle, flags);
2484 	}
2485 }
2486 
2487 uintptr_t sip_smc_handler(uint32_t smc_fid,
2488 			 u_register_t x1,
2489 			 u_register_t x2,
2490 			 u_register_t x3,
2491 			 u_register_t x4,
2492 			 void *cookie,
2493 			 void *handle,
2494 			 u_register_t flags)
2495 {
2496 	uint32_t cmd = smc_fid & INTEL_SIP_SMC_CMD_MASK;
2497 
2498 	if (cmd >= INTEL_SIP_SMC_CMD_V2_RANGE_BEGIN &&
2499 	    cmd <= INTEL_SIP_SMC_CMD_V2_RANGE_END) {
2500 		return sip_smc_handler_v2(smc_fid, x1, x2, x3, x4,
2501 			cookie, handle, flags);
2502 	}
2503 #if SIP_SVC_V3
2504 	else if ((cmd >= INTEL_SIP_SMC_CMD_V3_RANGE_BEGIN) &&
2505 		(cmd <= INTEL_SIP_SMC_CMD_V3_RANGE_END)) {
2506 		uintptr_t ret = sip_smc_handler_v3(smc_fid, x1, x2, x3, x4,
2507 						   cookie, handle, flags);
2508 		return ret;
2509 	}
2510 #endif
2511 	else {
2512 		return sip_smc_handler_v1(smc_fid, x1, x2, x3, x4,
2513 			cookie, handle, flags);
2514 	}
2515 }
2516 
2517 DECLARE_RT_SVC(
2518 	socfpga_sip_svc,
2519 	OEN_SIP_START,
2520 	OEN_SIP_END,
2521 	SMC_TYPE_FAST,
2522 	NULL,
2523 	sip_smc_handler
2524 );
2525 
2526 DECLARE_RT_SVC(
2527 	socfpga_sip_svc_std,
2528 	OEN_SIP_START,
2529 	OEN_SIP_END,
2530 	SMC_TYPE_YIELD,
2531 	NULL,
2532 	sip_smc_handler
2533 );
2534