1 /*
2   This file is provided under a dual BSD/GPLv2 license.  When using or
3   redistributing this file, you may do so under either license.
4 
5   GPL LICENSE SUMMARY
6   Copyright(c) 2014 Intel Corporation.
7   This program is free software; you can redistribute it and/or modify
8   it under the terms of version 2 of the GNU General Public License as
9   published by the Free Software Foundation.
10 
11   This program is distributed in the hope that it will be useful, but
12   WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   General Public License for more details.
15 
16   Contact Information:
17   qat-linux@intel.com
18 
19   BSD LICENSE
20   Copyright(c) 2014 Intel Corporation.
21   Redistribution and use in source and binary forms, with or without
22   modification, are permitted provided that the following conditions
23   are met:
24 
25     * Redistributions of source code must retain the above copyright
26       notice, this list of conditions and the following disclaimer.
27     * Redistributions in binary form must reproduce the above copyright
28       notice, this list of conditions and the following disclaimer in
29       the documentation and/or other materials provided with the
30       distribution.
31     * Neither the name of Intel Corporation nor the names of its
32       contributors may be used to endorse or promote products derived
33       from this software without specific prior written permission.
34 
35   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
46 */
47 #include <linux/slab.h>
48 #include <linux/delay.h>
49 
50 #include "adf_accel_devices.h"
51 #include "adf_common_drv.h"
52 #include "icp_qat_hal.h"
53 #include "icp_qat_uclo.h"
54 
55 #define BAD_REGADDR	       0xffff
56 #define MAX_RETRY_TIMES	   10000
57 #define INIT_CTX_ARB_VALUE	0x0
58 #define INIT_CTX_ENABLE_VALUE     0x0
59 #define INIT_PC_VALUE	     0x0
60 #define INIT_WAKEUP_EVENTS_VALUE  0x1
61 #define INIT_SIG_EVENTS_VALUE     0x1
62 #define INIT_CCENABLE_VALUE       0x2000
63 #define RST_CSR_QAT_LSB	   20
64 #define RST_CSR_AE_LSB		  0
65 #define MC_TIMESTAMP_ENABLE       (0x1 << 7)
66 
67 #define IGNORE_W1C_MASK ((~(1 << CE_BREAKPOINT_BITPOS)) & \
68 	(~(1 << CE_CNTL_STORE_PARITY_ERROR_BITPOS)) & \
69 	(~(1 << CE_REG_PAR_ERR_BITPOS)))
70 #define INSERT_IMMED_GPRA_CONST(inst, const_val) \
71 	(inst = ((inst & 0xFFFF00C03FFull) | \
72 		((((const_val) << 12) & 0x0FF00000ull) | \
73 		(((const_val) << 10) & 0x0003FC00ull))))
74 #define INSERT_IMMED_GPRB_CONST(inst, const_val) \
75 	(inst = ((inst & 0xFFFF00FFF00ull) | \
76 		((((const_val) << 12) & 0x0FF00000ull) | \
77 		(((const_val) <<  0) & 0x000000FFull))))
78 
79 #define AE(handle, ae) handle->hal_handle->aes[ae]
80 
81 static const uint64_t inst_4b[] = {
82 	0x0F0400C0000ull, 0x0F4400C0000ull, 0x0F040000300ull, 0x0F440000300ull,
83 	0x0FC066C0000ull, 0x0F0000C0300ull, 0x0F0000C0300ull, 0x0F0000C0300ull,
84 	0x0A021000000ull
85 };
86 
87 static const uint64_t inst[] = {
88 	0x0F0000C0000ull, 0x0F000000380ull, 0x0D805000011ull, 0x0FC082C0300ull,
89 	0x0F0000C0300ull, 0x0F0000C0300ull, 0x0F0000C0300ull, 0x0F0000C0300ull,
90 	0x0A0643C0000ull, 0x0BAC0000301ull, 0x0D802000101ull, 0x0F0000C0001ull,
91 	0x0FC066C0001ull, 0x0F0000C0300ull, 0x0F0000C0300ull, 0x0F0000C0300ull,
92 	0x0F000400300ull, 0x0A0610C0000ull, 0x0BAC0000301ull, 0x0D804400101ull,
93 	0x0A0580C0000ull, 0x0A0581C0000ull, 0x0A0582C0000ull, 0x0A0583C0000ull,
94 	0x0A0584C0000ull, 0x0A0585C0000ull, 0x0A0586C0000ull, 0x0A0587C0000ull,
95 	0x0A0588C0000ull, 0x0A0589C0000ull, 0x0A058AC0000ull, 0x0A058BC0000ull,
96 	0x0A058CC0000ull, 0x0A058DC0000ull, 0x0A058EC0000ull, 0x0A058FC0000ull,
97 	0x0A05C0C0000ull, 0x0A05C1C0000ull, 0x0A05C2C0000ull, 0x0A05C3C0000ull,
98 	0x0A05C4C0000ull, 0x0A05C5C0000ull, 0x0A05C6C0000ull, 0x0A05C7C0000ull,
99 	0x0A05C8C0000ull, 0x0A05C9C0000ull, 0x0A05CAC0000ull, 0x0A05CBC0000ull,
100 	0x0A05CCC0000ull, 0x0A05CDC0000ull, 0x0A05CEC0000ull, 0x0A05CFC0000ull,
101 	0x0A0400C0000ull, 0x0B0400C0000ull, 0x0A0401C0000ull, 0x0B0401C0000ull,
102 	0x0A0402C0000ull, 0x0B0402C0000ull, 0x0A0403C0000ull, 0x0B0403C0000ull,
103 	0x0A0404C0000ull, 0x0B0404C0000ull, 0x0A0405C0000ull, 0x0B0405C0000ull,
104 	0x0A0406C0000ull, 0x0B0406C0000ull, 0x0A0407C0000ull, 0x0B0407C0000ull,
105 	0x0A0408C0000ull, 0x0B0408C0000ull, 0x0A0409C0000ull, 0x0B0409C0000ull,
106 	0x0A040AC0000ull, 0x0B040AC0000ull, 0x0A040BC0000ull, 0x0B040BC0000ull,
107 	0x0A040CC0000ull, 0x0B040CC0000ull, 0x0A040DC0000ull, 0x0B040DC0000ull,
108 	0x0A040EC0000ull, 0x0B040EC0000ull, 0x0A040FC0000ull, 0x0B040FC0000ull,
109 	0x0D81581C010ull, 0x0E000010000ull, 0x0E000010000ull,
110 };
111 
qat_hal_set_live_ctx(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int ctx_mask)112 void qat_hal_set_live_ctx(struct icp_qat_fw_loader_handle *handle,
113 			  unsigned char ae, unsigned int ctx_mask)
114 {
115 	AE(handle, ae).live_ctx_mask = ctx_mask;
116 }
117 
118 #define CSR_RETRY_TIMES 500
qat_hal_rd_ae_csr(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int csr)119 static int qat_hal_rd_ae_csr(struct icp_qat_fw_loader_handle *handle,
120 			     unsigned char ae, unsigned int csr)
121 {
122 	unsigned int iterations = CSR_RETRY_TIMES;
123 	int value;
124 
125 	do {
126 		value = GET_AE_CSR(handle, ae, csr);
127 		if (!(GET_AE_CSR(handle, ae, LOCAL_CSR_STATUS) & LCS_STATUS))
128 			return value;
129 	} while (iterations--);
130 
131 	pr_err("QAT: Read CSR timeout\n");
132 	return 0;
133 }
134 
qat_hal_wr_ae_csr(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int csr,unsigned int value)135 static int qat_hal_wr_ae_csr(struct icp_qat_fw_loader_handle *handle,
136 			     unsigned char ae, unsigned int csr,
137 			     unsigned int value)
138 {
139 	unsigned int iterations = CSR_RETRY_TIMES;
140 
141 	do {
142 		SET_AE_CSR(handle, ae, csr, value);
143 		if (!(GET_AE_CSR(handle, ae, LOCAL_CSR_STATUS) & LCS_STATUS))
144 			return 0;
145 	} while (iterations--);
146 
147 	pr_err("QAT: Write CSR Timeout\n");
148 	return -EFAULT;
149 }
150 
qat_hal_get_wakeup_event(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char ctx,unsigned int * events)151 static void qat_hal_get_wakeup_event(struct icp_qat_fw_loader_handle *handle,
152 				     unsigned char ae, unsigned char ctx,
153 				     unsigned int *events)
154 {
155 	unsigned int cur_ctx;
156 
157 	cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
158 	qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
159 	*events = qat_hal_rd_ae_csr(handle, ae, CTX_WAKEUP_EVENTS_INDIRECT);
160 	qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
161 }
162 
qat_hal_wait_cycles(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int cycles,int chk_inactive)163 static int qat_hal_wait_cycles(struct icp_qat_fw_loader_handle *handle,
164 			       unsigned char ae, unsigned int cycles,
165 			       int chk_inactive)
166 {
167 	unsigned int base_cnt = 0, cur_cnt = 0;
168 	unsigned int csr = (1 << ACS_ABO_BITPOS);
169 	int times = MAX_RETRY_TIMES;
170 	int elapsed_cycles = 0;
171 
172 	base_cnt = qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT);
173 	base_cnt &= 0xffff;
174 	while ((int)cycles > elapsed_cycles && times--) {
175 		if (chk_inactive)
176 			csr = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
177 
178 		cur_cnt = qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT);
179 		cur_cnt &= 0xffff;
180 		elapsed_cycles = cur_cnt - base_cnt;
181 
182 		if (elapsed_cycles < 0)
183 			elapsed_cycles += 0x10000;
184 
185 		/* ensure at least 8 time cycles elapsed in wait_cycles */
186 		if (elapsed_cycles >= 8 && !(csr & (1 << ACS_ABO_BITPOS)))
187 			return 0;
188 	}
189 	if (times < 0) {
190 		pr_err("QAT: wait_num_cycles time out\n");
191 		return -EFAULT;
192 	}
193 	return 0;
194 }
195 
196 #define CLR_BIT(wrd, bit) (wrd & ~(1 << bit))
197 #define SET_BIT(wrd, bit) (wrd | 1 << bit)
198 
qat_hal_set_ae_ctx_mode(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char mode)199 int qat_hal_set_ae_ctx_mode(struct icp_qat_fw_loader_handle *handle,
200 			    unsigned char ae, unsigned char mode)
201 {
202 	unsigned int csr, new_csr;
203 
204 	if ((mode != 4) && (mode != 8)) {
205 		pr_err("QAT: bad ctx mode=%d\n", mode);
206 		return -EINVAL;
207 	}
208 
209 	/* Sets the accelaration engine context mode to either four or eight */
210 	csr = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
211 	csr = IGNORE_W1C_MASK & csr;
212 	new_csr = (mode == 4) ?
213 		SET_BIT(csr, CE_INUSE_CONTEXTS_BITPOS) :
214 		CLR_BIT(csr, CE_INUSE_CONTEXTS_BITPOS);
215 	qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, new_csr);
216 	return 0;
217 }
218 
qat_hal_set_ae_nn_mode(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char mode)219 int qat_hal_set_ae_nn_mode(struct icp_qat_fw_loader_handle *handle,
220 			   unsigned char ae, unsigned char mode)
221 {
222 	unsigned int csr, new_csr;
223 
224 	csr = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
225 	csr &= IGNORE_W1C_MASK;
226 
227 	new_csr = (mode) ?
228 		SET_BIT(csr, CE_NN_MODE_BITPOS) :
229 		CLR_BIT(csr, CE_NN_MODE_BITPOS);
230 
231 	if (new_csr != csr)
232 		qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, new_csr);
233 
234 	return 0;
235 }
236 
qat_hal_set_ae_lm_mode(struct icp_qat_fw_loader_handle * handle,unsigned char ae,enum icp_qat_uof_regtype lm_type,unsigned char mode)237 int qat_hal_set_ae_lm_mode(struct icp_qat_fw_loader_handle *handle,
238 			   unsigned char ae, enum icp_qat_uof_regtype lm_type,
239 			   unsigned char mode)
240 {
241 	unsigned int csr, new_csr;
242 
243 	csr = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
244 	csr &= IGNORE_W1C_MASK;
245 	switch (lm_type) {
246 	case ICP_LMEM0:
247 		new_csr = (mode) ?
248 			SET_BIT(csr, CE_LMADDR_0_GLOBAL_BITPOS) :
249 			CLR_BIT(csr, CE_LMADDR_0_GLOBAL_BITPOS);
250 		break;
251 	case ICP_LMEM1:
252 		new_csr = (mode) ?
253 			SET_BIT(csr, CE_LMADDR_1_GLOBAL_BITPOS) :
254 			CLR_BIT(csr, CE_LMADDR_1_GLOBAL_BITPOS);
255 		break;
256 	default:
257 		pr_err("QAT: lmType = 0x%x\n", lm_type);
258 		return -EINVAL;
259 	}
260 
261 	if (new_csr != csr)
262 		qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, new_csr);
263 	return 0;
264 }
265 
qat_hal_get_reg_addr(unsigned int type,unsigned short reg_num)266 static unsigned short qat_hal_get_reg_addr(unsigned int type,
267 					   unsigned short reg_num)
268 {
269 	unsigned short reg_addr;
270 
271 	switch (type) {
272 	case ICP_GPA_ABS:
273 	case ICP_GPB_ABS:
274 		reg_addr = 0x80 | (reg_num & 0x7f);
275 		break;
276 	case ICP_GPA_REL:
277 	case ICP_GPB_REL:
278 		reg_addr = reg_num & 0x1f;
279 		break;
280 	case ICP_SR_RD_REL:
281 	case ICP_SR_WR_REL:
282 	case ICP_SR_REL:
283 		reg_addr = 0x180 | (reg_num & 0x1f);
284 		break;
285 	case ICP_SR_ABS:
286 		reg_addr = 0x140 | ((reg_num & 0x3) << 1);
287 		break;
288 	case ICP_DR_RD_REL:
289 	case ICP_DR_WR_REL:
290 	case ICP_DR_REL:
291 		reg_addr = 0x1c0 | (reg_num & 0x1f);
292 		break;
293 	case ICP_DR_ABS:
294 		reg_addr = 0x100 | ((reg_num & 0x3) << 1);
295 		break;
296 	case ICP_NEIGH_REL:
297 		reg_addr = 0x280 | (reg_num & 0x1f);
298 		break;
299 	case ICP_LMEM0:
300 		reg_addr = 0x200;
301 		break;
302 	case ICP_LMEM1:
303 		reg_addr = 0x220;
304 		break;
305 	case ICP_NO_DEST:
306 		reg_addr = 0x300 | (reg_num & 0xff);
307 		break;
308 	default:
309 		reg_addr = BAD_REGADDR;
310 		break;
311 	}
312 	return reg_addr;
313 }
314 
qat_hal_reset(struct icp_qat_fw_loader_handle * handle)315 void qat_hal_reset(struct icp_qat_fw_loader_handle *handle)
316 {
317 	unsigned int ae_reset_csr;
318 
319 	ae_reset_csr = GET_GLB_CSR(handle, ICP_RESET);
320 	ae_reset_csr |= handle->hal_handle->ae_mask << RST_CSR_AE_LSB;
321 	ae_reset_csr |= handle->hal_handle->slice_mask << RST_CSR_QAT_LSB;
322 	SET_GLB_CSR(handle, ICP_RESET, ae_reset_csr);
323 }
324 
qat_hal_wr_indr_csr(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int ctx_mask,unsigned int ae_csr,unsigned int csr_val)325 static void qat_hal_wr_indr_csr(struct icp_qat_fw_loader_handle *handle,
326 				unsigned char ae, unsigned int ctx_mask,
327 				unsigned int ae_csr, unsigned int csr_val)
328 {
329 	unsigned int ctx, cur_ctx;
330 
331 	cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
332 
333 	for (ctx = 0; ctx < ICP_QAT_UCLO_MAX_CTX; ctx++) {
334 		if (!(ctx_mask & (1 << ctx)))
335 			continue;
336 		qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
337 		qat_hal_wr_ae_csr(handle, ae, ae_csr, csr_val);
338 	}
339 
340 	qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
341 }
342 
qat_hal_rd_indr_csr(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char ctx,unsigned int ae_csr)343 static unsigned int qat_hal_rd_indr_csr(struct icp_qat_fw_loader_handle *handle,
344 				unsigned char ae, unsigned char ctx,
345 				unsigned int ae_csr)
346 {
347 	unsigned int cur_ctx, csr_val;
348 
349 	cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
350 	qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
351 	csr_val = qat_hal_rd_ae_csr(handle, ae, ae_csr);
352 	qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
353 
354 	return csr_val;
355 }
356 
qat_hal_put_sig_event(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int ctx_mask,unsigned int events)357 static void qat_hal_put_sig_event(struct icp_qat_fw_loader_handle *handle,
358 				  unsigned char ae, unsigned int ctx_mask,
359 				  unsigned int events)
360 {
361 	unsigned int ctx, cur_ctx;
362 
363 	cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
364 	for (ctx = 0; ctx < ICP_QAT_UCLO_MAX_CTX; ctx++) {
365 		if (!(ctx_mask & (1 << ctx)))
366 			continue;
367 		qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
368 		qat_hal_wr_ae_csr(handle, ae, CTX_SIG_EVENTS_INDIRECT, events);
369 	}
370 	qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
371 }
372 
qat_hal_put_wakeup_event(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int ctx_mask,unsigned int events)373 static void qat_hal_put_wakeup_event(struct icp_qat_fw_loader_handle *handle,
374 				     unsigned char ae, unsigned int ctx_mask,
375 				     unsigned int events)
376 {
377 	unsigned int ctx, cur_ctx;
378 
379 	cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
380 	for (ctx = 0; ctx < ICP_QAT_UCLO_MAX_CTX; ctx++) {
381 		if (!(ctx_mask & (1 << ctx)))
382 			continue;
383 		qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
384 		qat_hal_wr_ae_csr(handle, ae, CTX_WAKEUP_EVENTS_INDIRECT,
385 				  events);
386 	}
387 	qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
388 }
389 
qat_hal_check_ae_alive(struct icp_qat_fw_loader_handle * handle)390 static int qat_hal_check_ae_alive(struct icp_qat_fw_loader_handle *handle)
391 {
392 	unsigned int base_cnt, cur_cnt;
393 	unsigned char ae;
394 	int times = MAX_RETRY_TIMES;
395 
396 	for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
397 		base_cnt = qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT);
398 		base_cnt &= 0xffff;
399 
400 		do {
401 			cur_cnt = qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT);
402 			cur_cnt &= 0xffff;
403 		} while (times-- && (cur_cnt == base_cnt));
404 
405 		if (times < 0) {
406 			pr_err("QAT: AE%d is inactive!!\n", ae);
407 			return -EFAULT;
408 		}
409 	}
410 
411 	return 0;
412 }
413 
qat_hal_check_ae_active(struct icp_qat_fw_loader_handle * handle,unsigned int ae)414 int qat_hal_check_ae_active(struct icp_qat_fw_loader_handle *handle,
415 			    unsigned int ae)
416 {
417 	unsigned int enable = 0, active = 0;
418 
419 	enable = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
420 	active = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
421 	if ((enable & (0xff << CE_ENABLE_BITPOS)) ||
422 	    (active & (1 << ACS_ABO_BITPOS)))
423 		return 1;
424 	else
425 		return 0;
426 }
427 
qat_hal_reset_timestamp(struct icp_qat_fw_loader_handle * handle)428 static void qat_hal_reset_timestamp(struct icp_qat_fw_loader_handle *handle)
429 {
430 	unsigned int misc_ctl;
431 	unsigned char ae;
432 
433 	/* stop the timestamp timers */
434 	misc_ctl = GET_GLB_CSR(handle, MISC_CONTROL);
435 	if (misc_ctl & MC_TIMESTAMP_ENABLE)
436 		SET_GLB_CSR(handle, MISC_CONTROL, misc_ctl &
437 			    (~MC_TIMESTAMP_ENABLE));
438 
439 	for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
440 		qat_hal_wr_ae_csr(handle, ae, TIMESTAMP_LOW, 0);
441 		qat_hal_wr_ae_csr(handle, ae, TIMESTAMP_HIGH, 0);
442 	}
443 	/* start timestamp timers */
444 	SET_GLB_CSR(handle, MISC_CONTROL, misc_ctl | MC_TIMESTAMP_ENABLE);
445 }
446 
447 #define ESRAM_AUTO_TINIT	BIT(2)
448 #define ESRAM_AUTO_TINIT_DONE	BIT(3)
449 #define ESRAM_AUTO_INIT_USED_CYCLES (1640)
450 #define ESRAM_AUTO_INIT_CSR_OFFSET 0xC1C
qat_hal_init_esram(struct icp_qat_fw_loader_handle * handle)451 static int qat_hal_init_esram(struct icp_qat_fw_loader_handle *handle)
452 {
453 	void __iomem *csr_addr =
454 			(void __iomem *)((uintptr_t)handle->hal_ep_csr_addr_v +
455 			ESRAM_AUTO_INIT_CSR_OFFSET);
456 	unsigned int csr_val;
457 	int times = 30;
458 
459 	if (handle->pci_dev->device != ADF_DH895XCC_PCI_DEVICE_ID)
460 		return 0;
461 
462 	csr_val = ADF_CSR_RD(csr_addr, 0);
463 	if ((csr_val & ESRAM_AUTO_TINIT) && (csr_val & ESRAM_AUTO_TINIT_DONE))
464 		return 0;
465 
466 	csr_val = ADF_CSR_RD(csr_addr, 0);
467 	csr_val |= ESRAM_AUTO_TINIT;
468 	ADF_CSR_WR(csr_addr, 0, csr_val);
469 
470 	do {
471 		qat_hal_wait_cycles(handle, 0, ESRAM_AUTO_INIT_USED_CYCLES, 0);
472 		csr_val = ADF_CSR_RD(csr_addr, 0);
473 	} while (!(csr_val & ESRAM_AUTO_TINIT_DONE) && times--);
474 	if ((times < 0)) {
475 		pr_err("QAT: Fail to init eSram!\n");
476 		return -EFAULT;
477 	}
478 	return 0;
479 }
480 
481 #define SHRAM_INIT_CYCLES 2060
qat_hal_clr_reset(struct icp_qat_fw_loader_handle * handle)482 int qat_hal_clr_reset(struct icp_qat_fw_loader_handle *handle)
483 {
484 	unsigned int ae_reset_csr;
485 	unsigned char ae;
486 	unsigned int clk_csr;
487 	unsigned int times = 100;
488 	unsigned int csr;
489 
490 	/* write to the reset csr */
491 	ae_reset_csr = GET_GLB_CSR(handle, ICP_RESET);
492 	ae_reset_csr &= ~(handle->hal_handle->ae_mask << RST_CSR_AE_LSB);
493 	ae_reset_csr &= ~(handle->hal_handle->slice_mask << RST_CSR_QAT_LSB);
494 	do {
495 		SET_GLB_CSR(handle, ICP_RESET, ae_reset_csr);
496 		if (!(times--))
497 			goto out_err;
498 		csr = GET_GLB_CSR(handle, ICP_RESET);
499 	} while ((handle->hal_handle->ae_mask |
500 		 (handle->hal_handle->slice_mask << RST_CSR_QAT_LSB)) & csr);
501 	/* enable clock */
502 	clk_csr = GET_GLB_CSR(handle, ICP_GLOBAL_CLK_ENABLE);
503 	clk_csr |= handle->hal_handle->ae_mask << 0;
504 	clk_csr |= handle->hal_handle->slice_mask << 20;
505 	SET_GLB_CSR(handle, ICP_GLOBAL_CLK_ENABLE, clk_csr);
506 	if (qat_hal_check_ae_alive(handle))
507 		goto out_err;
508 
509 	/* Set undefined power-up/reset states to reasonable default values */
510 	for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
511 		qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES,
512 				  INIT_CTX_ENABLE_VALUE);
513 		qat_hal_wr_indr_csr(handle, ae, ICP_QAT_UCLO_AE_ALL_CTX,
514 				    CTX_STS_INDIRECT,
515 				    handle->hal_handle->upc_mask &
516 				    INIT_PC_VALUE);
517 		qat_hal_wr_ae_csr(handle, ae, CTX_ARB_CNTL, INIT_CTX_ARB_VALUE);
518 		qat_hal_wr_ae_csr(handle, ae, CC_ENABLE, INIT_CCENABLE_VALUE);
519 		qat_hal_put_wakeup_event(handle, ae,
520 					 ICP_QAT_UCLO_AE_ALL_CTX,
521 					 INIT_WAKEUP_EVENTS_VALUE);
522 		qat_hal_put_sig_event(handle, ae,
523 				      ICP_QAT_UCLO_AE_ALL_CTX,
524 				      INIT_SIG_EVENTS_VALUE);
525 	}
526 	if (qat_hal_init_esram(handle))
527 		goto out_err;
528 	if (qat_hal_wait_cycles(handle, 0, SHRAM_INIT_CYCLES, 0))
529 		goto out_err;
530 	qat_hal_reset_timestamp(handle);
531 
532 	return 0;
533 out_err:
534 	pr_err("QAT: failed to get device out of reset\n");
535 	return -EFAULT;
536 }
537 
qat_hal_disable_ctx(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int ctx_mask)538 static void qat_hal_disable_ctx(struct icp_qat_fw_loader_handle *handle,
539 				unsigned char ae, unsigned int ctx_mask)
540 {
541 	unsigned int ctx;
542 
543 	ctx = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
544 	ctx &= IGNORE_W1C_MASK &
545 		(~((ctx_mask & ICP_QAT_UCLO_AE_ALL_CTX) << CE_ENABLE_BITPOS));
546 	qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx);
547 }
548 
qat_hal_parity_64bit(uint64_t word)549 static uint64_t qat_hal_parity_64bit(uint64_t word)
550 {
551 	word ^= word >> 1;
552 	word ^= word >> 2;
553 	word ^= word >> 4;
554 	word ^= word >> 8;
555 	word ^= word >> 16;
556 	word ^= word >> 32;
557 	return word & 1;
558 }
559 
qat_hal_set_uword_ecc(uint64_t uword)560 static uint64_t qat_hal_set_uword_ecc(uint64_t uword)
561 {
562 	uint64_t bit0_mask = 0xff800007fffULL, bit1_mask = 0x1f801ff801fULL,
563 		bit2_mask = 0xe387e0781e1ULL, bit3_mask = 0x7cb8e388e22ULL,
564 		bit4_mask = 0xaf5b2c93244ULL, bit5_mask = 0xf56d5525488ULL,
565 		bit6_mask = 0xdaf69a46910ULL;
566 
567 	/* clear the ecc bits */
568 	uword &= ~(0x7fULL << 0x2C);
569 	uword |= qat_hal_parity_64bit(bit0_mask & uword) << 0x2C;
570 	uword |= qat_hal_parity_64bit(bit1_mask & uword) << 0x2D;
571 	uword |= qat_hal_parity_64bit(bit2_mask & uword) << 0x2E;
572 	uword |= qat_hal_parity_64bit(bit3_mask & uword) << 0x2F;
573 	uword |= qat_hal_parity_64bit(bit4_mask & uword) << 0x30;
574 	uword |= qat_hal_parity_64bit(bit5_mask & uword) << 0x31;
575 	uword |= qat_hal_parity_64bit(bit6_mask & uword) << 0x32;
576 	return uword;
577 }
578 
qat_hal_wr_uwords(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int uaddr,unsigned int words_num,uint64_t * uword)579 void qat_hal_wr_uwords(struct icp_qat_fw_loader_handle *handle,
580 		       unsigned char ae, unsigned int uaddr,
581 		       unsigned int words_num, uint64_t *uword)
582 {
583 	unsigned int ustore_addr;
584 	unsigned int i;
585 
586 	ustore_addr = qat_hal_rd_ae_csr(handle, ae, USTORE_ADDRESS);
587 	uaddr |= UA_ECS;
588 	qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
589 	for (i = 0; i < words_num; i++) {
590 		unsigned int uwrd_lo, uwrd_hi;
591 		uint64_t tmp;
592 
593 		tmp = qat_hal_set_uword_ecc(uword[i]);
594 		uwrd_lo = (unsigned int)(tmp & 0xffffffff);
595 		uwrd_hi = (unsigned int)(tmp >> 0x20);
596 		qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_LOWER, uwrd_lo);
597 		qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_UPPER, uwrd_hi);
598 	}
599 	qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, ustore_addr);
600 }
601 
qat_hal_enable_ctx(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int ctx_mask)602 static void qat_hal_enable_ctx(struct icp_qat_fw_loader_handle *handle,
603 			       unsigned char ae, unsigned int ctx_mask)
604 {
605 	unsigned int ctx;
606 
607 	ctx = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
608 	ctx &= IGNORE_W1C_MASK;
609 	ctx_mask &= (ctx & CE_INUSE_CONTEXTS) ? 0x55 : 0xFF;
610 	ctx |= (ctx_mask << CE_ENABLE_BITPOS);
611 	qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx);
612 }
613 
qat_hal_clear_xfer(struct icp_qat_fw_loader_handle * handle)614 static void qat_hal_clear_xfer(struct icp_qat_fw_loader_handle *handle)
615 {
616 	unsigned char ae;
617 	unsigned short reg;
618 
619 	for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
620 		for (reg = 0; reg < ICP_QAT_UCLO_MAX_GPR_REG; reg++) {
621 			qat_hal_init_rd_xfer(handle, ae, 0, ICP_SR_RD_ABS,
622 					     reg, 0);
623 			qat_hal_init_rd_xfer(handle, ae, 0, ICP_DR_RD_ABS,
624 					     reg, 0);
625 		}
626 	}
627 }
628 
qat_hal_clear_gpr(struct icp_qat_fw_loader_handle * handle)629 static int qat_hal_clear_gpr(struct icp_qat_fw_loader_handle *handle)
630 {
631 	unsigned char ae;
632 	unsigned int ctx_mask = ICP_QAT_UCLO_AE_ALL_CTX;
633 	int times = MAX_RETRY_TIMES;
634 	unsigned int csr_val = 0;
635 	unsigned int savctx = 0;
636 	int ret = 0;
637 
638 	for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
639 		csr_val = qat_hal_rd_ae_csr(handle, ae, AE_MISC_CONTROL);
640 		csr_val &= ~(1 << MMC_SHARE_CS_BITPOS);
641 		qat_hal_wr_ae_csr(handle, ae, AE_MISC_CONTROL, csr_val);
642 		csr_val = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
643 		csr_val &= IGNORE_W1C_MASK;
644 		csr_val |= CE_NN_MODE;
645 		qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, csr_val);
646 		qat_hal_wr_uwords(handle, ae, 0, ARRAY_SIZE(inst),
647 				  (uint64_t *)inst);
648 		qat_hal_wr_indr_csr(handle, ae, ctx_mask, CTX_STS_INDIRECT,
649 				    handle->hal_handle->upc_mask &
650 				    INIT_PC_VALUE);
651 		savctx = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
652 		qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS, 0);
653 		qat_hal_put_wakeup_event(handle, ae, ctx_mask, XCWE_VOLUNTARY);
654 		qat_hal_wr_indr_csr(handle, ae, ctx_mask,
655 				    CTX_SIG_EVENTS_INDIRECT, 0);
656 		qat_hal_wr_ae_csr(handle, ae, CTX_SIG_EVENTS_ACTIVE, 0);
657 		qat_hal_enable_ctx(handle, ae, ctx_mask);
658 	}
659 	for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
660 		/* wait for AE to finish */
661 		do {
662 			ret = qat_hal_wait_cycles(handle, ae, 20, 1);
663 		} while (ret && times--);
664 
665 		if (times < 0) {
666 			pr_err("QAT: clear GPR of AE %d failed", ae);
667 			return -EINVAL;
668 		}
669 		qat_hal_disable_ctx(handle, ae, ctx_mask);
670 		qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS,
671 				  savctx & ACS_ACNO);
672 		qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES,
673 				  INIT_CTX_ENABLE_VALUE);
674 		qat_hal_wr_indr_csr(handle, ae, ctx_mask, CTX_STS_INDIRECT,
675 				    handle->hal_handle->upc_mask &
676 				    INIT_PC_VALUE);
677 		qat_hal_wr_ae_csr(handle, ae, CTX_ARB_CNTL, INIT_CTX_ARB_VALUE);
678 		qat_hal_wr_ae_csr(handle, ae, CC_ENABLE, INIT_CCENABLE_VALUE);
679 		qat_hal_put_wakeup_event(handle, ae, ctx_mask,
680 					 INIT_WAKEUP_EVENTS_VALUE);
681 		qat_hal_put_sig_event(handle, ae, ctx_mask,
682 				      INIT_SIG_EVENTS_VALUE);
683 	}
684 	return 0;
685 }
686 
687 #define ICP_QAT_AE_OFFSET	0x20000
688 #define ICP_QAT_CAP_OFFSET       (ICP_QAT_AE_OFFSET + 0x10000)
689 #define LOCAL_TO_XFER_REG_OFFSET    0x800
690 #define ICP_QAT_EP_OFFSET	0x3a000
qat_hal_init(struct adf_accel_dev * accel_dev)691 int qat_hal_init(struct adf_accel_dev *accel_dev)
692 {
693 	unsigned char ae;
694 	unsigned int max_en_ae_id = 0;
695 	struct icp_qat_fw_loader_handle *handle;
696 	struct adf_accel_pci *pci_info = &accel_dev->accel_pci_dev;
697 	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
698 	struct adf_bar *misc_bar =
699 			&pci_info->pci_bars[hw_data->get_misc_bar_id(hw_data)];
700 	struct adf_bar *sram_bar;
701 
702 	handle = kzalloc(sizeof(*handle), GFP_KERNEL);
703 	if (!handle)
704 		return -ENOMEM;
705 
706 	handle->hal_cap_g_ctl_csr_addr_v =
707 		(void __iomem *)((uintptr_t)misc_bar->virt_addr +
708 				 ICP_QAT_CAP_OFFSET);
709 	handle->hal_cap_ae_xfer_csr_addr_v =
710 		(void __iomem *)((uintptr_t)misc_bar->virt_addr +
711 				 ICP_QAT_AE_OFFSET);
712 	handle->hal_ep_csr_addr_v =
713 		(void __iomem *)((uintptr_t)misc_bar->virt_addr +
714 				 ICP_QAT_EP_OFFSET);
715 	handle->hal_cap_ae_local_csr_addr_v =
716 		(void __iomem *)((uintptr_t)handle->hal_cap_ae_xfer_csr_addr_v +
717 				 LOCAL_TO_XFER_REG_OFFSET);
718 	handle->pci_dev = pci_info->pci_dev;
719 	if (handle->pci_dev->device == ADF_DH895XCC_PCI_DEVICE_ID) {
720 		sram_bar =
721 			&pci_info->pci_bars[hw_data->get_sram_bar_id(hw_data)];
722 		handle->hal_sram_addr_v = sram_bar->virt_addr;
723 	}
724 	handle->fw_auth = (handle->pci_dev->device ==
725 			   ADF_DH895XCC_PCI_DEVICE_ID) ? false : true;
726 	handle->hal_handle = kzalloc(sizeof(*handle->hal_handle), GFP_KERNEL);
727 	if (!handle->hal_handle)
728 		goto out_hal_handle;
729 	handle->hal_handle->revision_id = accel_dev->accel_pci_dev.revid;
730 	handle->hal_handle->ae_mask = hw_data->ae_mask;
731 	handle->hal_handle->slice_mask = hw_data->accel_mask;
732 	/* create AE objects */
733 	handle->hal_handle->upc_mask = 0x1ffff;
734 	handle->hal_handle->max_ustore = 0x4000;
735 	for (ae = 0; ae < ICP_QAT_UCLO_MAX_AE; ae++) {
736 		if (!(hw_data->ae_mask & (1 << ae)))
737 			continue;
738 		handle->hal_handle->aes[ae].free_addr = 0;
739 		handle->hal_handle->aes[ae].free_size =
740 		    handle->hal_handle->max_ustore;
741 		handle->hal_handle->aes[ae].ustore_size =
742 		    handle->hal_handle->max_ustore;
743 		handle->hal_handle->aes[ae].live_ctx_mask =
744 						ICP_QAT_UCLO_AE_ALL_CTX;
745 		max_en_ae_id = ae;
746 	}
747 	handle->hal_handle->ae_max_num = max_en_ae_id + 1;
748 	/* take all AEs out of reset */
749 	if (qat_hal_clr_reset(handle)) {
750 		dev_err(&GET_DEV(accel_dev), "qat_hal_clr_reset error\n");
751 		goto out_err;
752 	}
753 	qat_hal_clear_xfer(handle);
754 	if (!handle->fw_auth) {
755 		if (qat_hal_clear_gpr(handle))
756 			goto out_err;
757 	}
758 
759 	/* Set SIGNATURE_ENABLE[0] to 0x1 in order to enable ALU_OUT csr */
760 	for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) {
761 		unsigned int csr_val = 0;
762 
763 		csr_val = qat_hal_rd_ae_csr(handle, ae, SIGNATURE_ENABLE);
764 		csr_val |= 0x1;
765 		qat_hal_wr_ae_csr(handle, ae, SIGNATURE_ENABLE, csr_val);
766 	}
767 	accel_dev->fw_loader->fw_loader = handle;
768 	return 0;
769 
770 out_err:
771 	kfree(handle->hal_handle);
772 out_hal_handle:
773 	kfree(handle);
774 	return -EFAULT;
775 }
776 
qat_hal_deinit(struct icp_qat_fw_loader_handle * handle)777 void qat_hal_deinit(struct icp_qat_fw_loader_handle *handle)
778 {
779 	if (!handle)
780 		return;
781 	kfree(handle->hal_handle);
782 	kfree(handle);
783 }
784 
qat_hal_start(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int ctx_mask)785 void qat_hal_start(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
786 		   unsigned int ctx_mask)
787 {
788 	int retry = 0;
789 	unsigned int fcu_sts = 0;
790 
791 	if (handle->fw_auth) {
792 		SET_CAP_CSR(handle, FCU_CONTROL, FCU_CTRL_CMD_START);
793 		do {
794 			msleep(FW_AUTH_WAIT_PERIOD);
795 			fcu_sts = GET_CAP_CSR(handle, FCU_STATUS);
796 			if (((fcu_sts >> FCU_STS_DONE_POS) & 0x1))
797 				return;
798 		} while (retry++ < FW_AUTH_MAX_RETRY);
799 		pr_err("QAT: start error (AE 0x%x FCU_STS = 0x%x)\n", ae,
800 		       fcu_sts);
801 	} else {
802 		qat_hal_put_wakeup_event(handle, ae, (~ctx_mask) &
803 				 ICP_QAT_UCLO_AE_ALL_CTX, 0x10000);
804 		qat_hal_enable_ctx(handle, ae, ctx_mask);
805 	}
806 }
807 
qat_hal_stop(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int ctx_mask)808 void qat_hal_stop(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
809 		  unsigned int ctx_mask)
810 {
811 	if (!handle->fw_auth)
812 		qat_hal_disable_ctx(handle, ae, ctx_mask);
813 }
814 
qat_hal_set_pc(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int ctx_mask,unsigned int upc)815 void qat_hal_set_pc(struct icp_qat_fw_loader_handle *handle,
816 		    unsigned char ae, unsigned int ctx_mask, unsigned int upc)
817 {
818 	qat_hal_wr_indr_csr(handle, ae, ctx_mask, CTX_STS_INDIRECT,
819 			    handle->hal_handle->upc_mask & upc);
820 }
821 
qat_hal_get_uwords(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int uaddr,unsigned int words_num,uint64_t * uword)822 static void qat_hal_get_uwords(struct icp_qat_fw_loader_handle *handle,
823 			       unsigned char ae, unsigned int uaddr,
824 			       unsigned int words_num, uint64_t *uword)
825 {
826 	unsigned int i, uwrd_lo, uwrd_hi;
827 	unsigned int ustore_addr, misc_control;
828 
829 	misc_control = qat_hal_rd_ae_csr(handle, ae, AE_MISC_CONTROL);
830 	qat_hal_wr_ae_csr(handle, ae, AE_MISC_CONTROL,
831 			  misc_control & 0xfffffffb);
832 	ustore_addr = qat_hal_rd_ae_csr(handle, ae, USTORE_ADDRESS);
833 	uaddr |= UA_ECS;
834 	for (i = 0; i < words_num; i++) {
835 		qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
836 		uaddr++;
837 		uwrd_lo = qat_hal_rd_ae_csr(handle, ae, USTORE_DATA_LOWER);
838 		uwrd_hi = qat_hal_rd_ae_csr(handle, ae, USTORE_DATA_UPPER);
839 		uword[i] = uwrd_hi;
840 		uword[i] = (uword[i] << 0x20) | uwrd_lo;
841 	}
842 	qat_hal_wr_ae_csr(handle, ae, AE_MISC_CONTROL, misc_control);
843 	qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, ustore_addr);
844 }
845 
qat_hal_wr_umem(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned int uaddr,unsigned int words_num,unsigned int * data)846 void qat_hal_wr_umem(struct icp_qat_fw_loader_handle *handle,
847 		     unsigned char ae, unsigned int uaddr,
848 		     unsigned int words_num, unsigned int *data)
849 {
850 	unsigned int i, ustore_addr;
851 
852 	ustore_addr = qat_hal_rd_ae_csr(handle, ae, USTORE_ADDRESS);
853 	uaddr |= UA_ECS;
854 	qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
855 	for (i = 0; i < words_num; i++) {
856 		unsigned int uwrd_lo, uwrd_hi, tmp;
857 
858 		uwrd_lo = ((data[i] & 0xfff0000) << 4) | (0x3 << 18) |
859 			  ((data[i] & 0xff00) << 2) |
860 			  (0x3 << 8) | (data[i] & 0xff);
861 		uwrd_hi = (0xf << 4) | ((data[i] & 0xf0000000) >> 28);
862 		uwrd_hi |= (hweight32(data[i] & 0xffff) & 0x1) << 8;
863 		tmp = ((data[i] >> 0x10) & 0xffff);
864 		uwrd_hi |= (hweight32(tmp) & 0x1) << 9;
865 		qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_LOWER, uwrd_lo);
866 		qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_UPPER, uwrd_hi);
867 	}
868 	qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, ustore_addr);
869 }
870 
871 #define MAX_EXEC_INST 100
qat_hal_exec_micro_inst(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char ctx,uint64_t * micro_inst,unsigned int inst_num,int code_off,unsigned int max_cycle,unsigned int * endpc)872 static int qat_hal_exec_micro_inst(struct icp_qat_fw_loader_handle *handle,
873 				   unsigned char ae, unsigned char ctx,
874 				   uint64_t *micro_inst, unsigned int inst_num,
875 				   int code_off, unsigned int max_cycle,
876 				   unsigned int *endpc)
877 {
878 	uint64_t savuwords[MAX_EXEC_INST];
879 	unsigned int ind_lm_addr0, ind_lm_addr1;
880 	unsigned int ind_lm_addr_byte0, ind_lm_addr_byte1;
881 	unsigned int ind_cnt_sig;
882 	unsigned int ind_sig, act_sig;
883 	unsigned int csr_val = 0, newcsr_val;
884 	unsigned int savctx;
885 	unsigned int savcc, wakeup_events, savpc;
886 	unsigned int ctxarb_ctl, ctx_enables;
887 
888 	if ((inst_num > handle->hal_handle->max_ustore) || !micro_inst) {
889 		pr_err("QAT: invalid instruction num %d\n", inst_num);
890 		return -EINVAL;
891 	}
892 	/* save current context */
893 	ind_lm_addr0 = qat_hal_rd_indr_csr(handle, ae, ctx, LM_ADDR_0_INDIRECT);
894 	ind_lm_addr1 = qat_hal_rd_indr_csr(handle, ae, ctx, LM_ADDR_1_INDIRECT);
895 	ind_lm_addr_byte0 = qat_hal_rd_indr_csr(handle, ae, ctx,
896 						INDIRECT_LM_ADDR_0_BYTE_INDEX);
897 	ind_lm_addr_byte1 = qat_hal_rd_indr_csr(handle, ae, ctx,
898 						INDIRECT_LM_ADDR_1_BYTE_INDEX);
899 	if (inst_num <= MAX_EXEC_INST)
900 		qat_hal_get_uwords(handle, ae, 0, inst_num, savuwords);
901 	qat_hal_get_wakeup_event(handle, ae, ctx, &wakeup_events);
902 	savpc = qat_hal_rd_indr_csr(handle, ae, ctx, CTX_STS_INDIRECT);
903 	savpc = (savpc & handle->hal_handle->upc_mask) >> 0;
904 	ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
905 	ctx_enables &= IGNORE_W1C_MASK;
906 	savcc = qat_hal_rd_ae_csr(handle, ae, CC_ENABLE);
907 	savctx = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
908 	ctxarb_ctl = qat_hal_rd_ae_csr(handle, ae, CTX_ARB_CNTL);
909 	ind_cnt_sig = qat_hal_rd_indr_csr(handle, ae, ctx,
910 					  FUTURE_COUNT_SIGNAL_INDIRECT);
911 	ind_sig = qat_hal_rd_indr_csr(handle, ae, ctx,
912 				      CTX_SIG_EVENTS_INDIRECT);
913 	act_sig = qat_hal_rd_ae_csr(handle, ae, CTX_SIG_EVENTS_ACTIVE);
914 	/* execute micro codes */
915 	qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);
916 	qat_hal_wr_uwords(handle, ae, 0, inst_num, micro_inst);
917 	qat_hal_wr_indr_csr(handle, ae, (1 << ctx), CTX_STS_INDIRECT, 0);
918 	qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS, ctx & ACS_ACNO);
919 	if (code_off)
920 		qat_hal_wr_ae_csr(handle, ae, CC_ENABLE, savcc & 0xffffdfff);
921 	qat_hal_put_wakeup_event(handle, ae, (1 << ctx), XCWE_VOLUNTARY);
922 	qat_hal_wr_indr_csr(handle, ae, (1 << ctx), CTX_SIG_EVENTS_INDIRECT, 0);
923 	qat_hal_wr_ae_csr(handle, ae, CTX_SIG_EVENTS_ACTIVE, 0);
924 	qat_hal_enable_ctx(handle, ae, (1 << ctx));
925 	/* wait for micro codes to finish */
926 	if (qat_hal_wait_cycles(handle, ae, max_cycle, 1) != 0)
927 		return -EFAULT;
928 	if (endpc) {
929 		unsigned int ctx_status;
930 
931 		ctx_status = qat_hal_rd_indr_csr(handle, ae, ctx,
932 						 CTX_STS_INDIRECT);
933 		*endpc = ctx_status & handle->hal_handle->upc_mask;
934 	}
935 	/* retore to saved context */
936 	qat_hal_disable_ctx(handle, ae, (1 << ctx));
937 	if (inst_num <= MAX_EXEC_INST)
938 		qat_hal_wr_uwords(handle, ae, 0, inst_num, savuwords);
939 	qat_hal_put_wakeup_event(handle, ae, (1 << ctx), wakeup_events);
940 	qat_hal_wr_indr_csr(handle, ae, (1 << ctx), CTX_STS_INDIRECT,
941 			    handle->hal_handle->upc_mask & savpc);
942 	csr_val = qat_hal_rd_ae_csr(handle, ae, AE_MISC_CONTROL);
943 	newcsr_val = CLR_BIT(csr_val, MMC_SHARE_CS_BITPOS);
944 	qat_hal_wr_ae_csr(handle, ae, AE_MISC_CONTROL, newcsr_val);
945 	qat_hal_wr_ae_csr(handle, ae, CC_ENABLE, savcc);
946 	qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS, savctx & ACS_ACNO);
947 	qat_hal_wr_ae_csr(handle, ae, CTX_ARB_CNTL, ctxarb_ctl);
948 	qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
949 			    LM_ADDR_0_INDIRECT, ind_lm_addr0);
950 	qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
951 			    LM_ADDR_1_INDIRECT, ind_lm_addr1);
952 	qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
953 			    INDIRECT_LM_ADDR_0_BYTE_INDEX, ind_lm_addr_byte0);
954 	qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
955 			    INDIRECT_LM_ADDR_1_BYTE_INDEX, ind_lm_addr_byte1);
956 	qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
957 			    FUTURE_COUNT_SIGNAL_INDIRECT, ind_cnt_sig);
958 	qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
959 			    CTX_SIG_EVENTS_INDIRECT, ind_sig);
960 	qat_hal_wr_ae_csr(handle, ae, CTX_SIG_EVENTS_ACTIVE, act_sig);
961 	qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);
962 
963 	return 0;
964 }
965 
qat_hal_rd_rel_reg(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char ctx,enum icp_qat_uof_regtype reg_type,unsigned short reg_num,unsigned int * data)966 static int qat_hal_rd_rel_reg(struct icp_qat_fw_loader_handle *handle,
967 			      unsigned char ae, unsigned char ctx,
968 			      enum icp_qat_uof_regtype reg_type,
969 			      unsigned short reg_num, unsigned int *data)
970 {
971 	unsigned int savctx, uaddr, uwrd_lo, uwrd_hi;
972 	unsigned int ctxarb_cntl, ustore_addr, ctx_enables;
973 	unsigned short reg_addr;
974 	int status = 0;
975 	uint64_t insts, savuword;
976 
977 	reg_addr = qat_hal_get_reg_addr(reg_type, reg_num);
978 	if (reg_addr == BAD_REGADDR) {
979 		pr_err("QAT: bad regaddr=0x%x\n", reg_addr);
980 		return -EINVAL;
981 	}
982 	switch (reg_type) {
983 	case ICP_GPA_REL:
984 		insts = 0xA070000000ull | (reg_addr & 0x3ff);
985 		break;
986 	default:
987 		insts = (uint64_t)0xA030000000ull | ((reg_addr & 0x3ff) << 10);
988 		break;
989 	}
990 	savctx = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
991 	ctxarb_cntl = qat_hal_rd_ae_csr(handle, ae, CTX_ARB_CNTL);
992 	ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
993 	ctx_enables &= IGNORE_W1C_MASK;
994 	if (ctx != (savctx & ACS_ACNO))
995 		qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS,
996 				  ctx & ACS_ACNO);
997 	qat_hal_get_uwords(handle, ae, 0, 1, &savuword);
998 	qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);
999 	ustore_addr = qat_hal_rd_ae_csr(handle, ae, USTORE_ADDRESS);
1000 	uaddr = UA_ECS;
1001 	qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
1002 	insts = qat_hal_set_uword_ecc(insts);
1003 	uwrd_lo = (unsigned int)(insts & 0xffffffff);
1004 	uwrd_hi = (unsigned int)(insts >> 0x20);
1005 	qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_LOWER, uwrd_lo);
1006 	qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_UPPER, uwrd_hi);
1007 	qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
1008 	/* delay for at least 8 cycles */
1009 	qat_hal_wait_cycles(handle, ae, 0x8, 0);
1010 	/*
1011 	 * read ALU output
1012 	 * the instruction should have been executed
1013 	 * prior to clearing the ECS in putUwords
1014 	 */
1015 	*data = qat_hal_rd_ae_csr(handle, ae, ALU_OUT);
1016 	qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, ustore_addr);
1017 	qat_hal_wr_uwords(handle, ae, 0, 1, &savuword);
1018 	if (ctx != (savctx & ACS_ACNO))
1019 		qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS,
1020 				  savctx & ACS_ACNO);
1021 	qat_hal_wr_ae_csr(handle, ae, CTX_ARB_CNTL, ctxarb_cntl);
1022 	qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);
1023 
1024 	return status;
1025 }
1026 
qat_hal_wr_rel_reg(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char ctx,enum icp_qat_uof_regtype reg_type,unsigned short reg_num,unsigned int data)1027 static int qat_hal_wr_rel_reg(struct icp_qat_fw_loader_handle *handle,
1028 			      unsigned char ae, unsigned char ctx,
1029 			      enum icp_qat_uof_regtype reg_type,
1030 			      unsigned short reg_num, unsigned int data)
1031 {
1032 	unsigned short src_hiaddr, src_lowaddr, dest_addr, data16hi, data16lo;
1033 	uint64_t insts[] = {
1034 		0x0F440000000ull,
1035 		0x0F040000000ull,
1036 		0x0F0000C0300ull,
1037 		0x0E000010000ull
1038 	};
1039 	const int num_inst = ARRAY_SIZE(insts), code_off = 1;
1040 	const int imm_w1 = 0, imm_w0 = 1;
1041 
1042 	dest_addr = qat_hal_get_reg_addr(reg_type, reg_num);
1043 	if (dest_addr == BAD_REGADDR) {
1044 		pr_err("QAT: bad destAddr=0x%x\n", dest_addr);
1045 		return -EINVAL;
1046 	}
1047 
1048 	data16lo = 0xffff & data;
1049 	data16hi = 0xffff & (data >> 0x10);
1050 	src_hiaddr = qat_hal_get_reg_addr(ICP_NO_DEST, (unsigned short)
1051 					  (0xff & data16hi));
1052 	src_lowaddr = qat_hal_get_reg_addr(ICP_NO_DEST, (unsigned short)
1053 					   (0xff & data16lo));
1054 	switch (reg_type) {
1055 	case ICP_GPA_REL:
1056 		insts[imm_w1] = insts[imm_w1] | ((data16hi >> 8) << 20) |
1057 		    ((src_hiaddr & 0x3ff) << 10) | (dest_addr & 0x3ff);
1058 		insts[imm_w0] = insts[imm_w0] | ((data16lo >> 8) << 20) |
1059 		    ((src_lowaddr & 0x3ff) << 10) | (dest_addr & 0x3ff);
1060 		break;
1061 	default:
1062 		insts[imm_w1] = insts[imm_w1] | ((data16hi >> 8) << 20) |
1063 		    ((dest_addr & 0x3ff) << 10) | (src_hiaddr & 0x3ff);
1064 
1065 		insts[imm_w0] = insts[imm_w0] | ((data16lo >> 8) << 20) |
1066 		    ((dest_addr & 0x3ff) << 10) | (src_lowaddr & 0x3ff);
1067 		break;
1068 	}
1069 
1070 	return qat_hal_exec_micro_inst(handle, ae, ctx, insts, num_inst,
1071 				       code_off, num_inst * 0x5, NULL);
1072 }
1073 
qat_hal_get_ins_num(void)1074 int qat_hal_get_ins_num(void)
1075 {
1076 	return ARRAY_SIZE(inst_4b);
1077 }
1078 
qat_hal_concat_micro_code(uint64_t * micro_inst,unsigned int inst_num,unsigned int size,unsigned int addr,unsigned int * value)1079 static int qat_hal_concat_micro_code(uint64_t *micro_inst,
1080 				     unsigned int inst_num, unsigned int size,
1081 				     unsigned int addr, unsigned int *value)
1082 {
1083 	int i;
1084 	unsigned int cur_value;
1085 	const uint64_t *inst_arr;
1086 	int fixup_offset;
1087 	int usize = 0;
1088 	int orig_num;
1089 
1090 	orig_num = inst_num;
1091 	cur_value = value[0];
1092 	inst_arr = inst_4b;
1093 	usize = ARRAY_SIZE(inst_4b);
1094 	fixup_offset = inst_num;
1095 	for (i = 0; i < usize; i++)
1096 		micro_inst[inst_num++] = inst_arr[i];
1097 	INSERT_IMMED_GPRA_CONST(micro_inst[fixup_offset], (addr));
1098 	fixup_offset++;
1099 	INSERT_IMMED_GPRA_CONST(micro_inst[fixup_offset], 0);
1100 	fixup_offset++;
1101 	INSERT_IMMED_GPRB_CONST(micro_inst[fixup_offset], (cur_value >> 0));
1102 	fixup_offset++;
1103 	INSERT_IMMED_GPRB_CONST(micro_inst[fixup_offset], (cur_value >> 0x10));
1104 
1105 	return inst_num - orig_num;
1106 }
1107 
qat_hal_exec_micro_init_lm(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char ctx,int * pfirst_exec,uint64_t * micro_inst,unsigned int inst_num)1108 static int qat_hal_exec_micro_init_lm(struct icp_qat_fw_loader_handle *handle,
1109 				      unsigned char ae, unsigned char ctx,
1110 				      int *pfirst_exec, uint64_t *micro_inst,
1111 				      unsigned int inst_num)
1112 {
1113 	int stat = 0;
1114 	unsigned int gpra0 = 0, gpra1 = 0, gpra2 = 0;
1115 	unsigned int gprb0 = 0, gprb1 = 0;
1116 
1117 	if (*pfirst_exec) {
1118 		qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0, &gpra0);
1119 		qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0x1, &gpra1);
1120 		qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0x2, &gpra2);
1121 		qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPB_REL, 0, &gprb0);
1122 		qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPB_REL, 0x1, &gprb1);
1123 		*pfirst_exec = 0;
1124 	}
1125 	stat = qat_hal_exec_micro_inst(handle, ae, ctx, micro_inst, inst_num, 1,
1126 				       inst_num * 0x5, NULL);
1127 	if (stat != 0)
1128 		return -EFAULT;
1129 	qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0, gpra0);
1130 	qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0x1, gpra1);
1131 	qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0x2, gpra2);
1132 	qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPB_REL, 0, gprb0);
1133 	qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPB_REL, 0x1, gprb1);
1134 
1135 	return 0;
1136 }
1137 
qat_hal_batch_wr_lm(struct icp_qat_fw_loader_handle * handle,unsigned char ae,struct icp_qat_uof_batch_init * lm_init_header)1138 int qat_hal_batch_wr_lm(struct icp_qat_fw_loader_handle *handle,
1139 			unsigned char ae,
1140 			struct icp_qat_uof_batch_init *lm_init_header)
1141 {
1142 	struct icp_qat_uof_batch_init *plm_init;
1143 	uint64_t *micro_inst_arry;
1144 	int micro_inst_num;
1145 	int alloc_inst_size;
1146 	int first_exec = 1;
1147 	int stat = 0;
1148 
1149 	plm_init = lm_init_header->next;
1150 	alloc_inst_size = lm_init_header->size;
1151 	if ((unsigned int)alloc_inst_size > handle->hal_handle->max_ustore)
1152 		alloc_inst_size = handle->hal_handle->max_ustore;
1153 	micro_inst_arry = kmalloc_array(alloc_inst_size, sizeof(uint64_t),
1154 					GFP_KERNEL);
1155 	if (!micro_inst_arry)
1156 		return -ENOMEM;
1157 	micro_inst_num = 0;
1158 	while (plm_init) {
1159 		unsigned int addr, *value, size;
1160 
1161 		ae = plm_init->ae;
1162 		addr = plm_init->addr;
1163 		value = plm_init->value;
1164 		size = plm_init->size;
1165 		micro_inst_num += qat_hal_concat_micro_code(micro_inst_arry,
1166 							    micro_inst_num,
1167 							    size, addr, value);
1168 		plm_init = plm_init->next;
1169 	}
1170 	/* exec micro codes */
1171 	if (micro_inst_arry && (micro_inst_num > 0)) {
1172 		micro_inst_arry[micro_inst_num++] = 0x0E000010000ull;
1173 		stat = qat_hal_exec_micro_init_lm(handle, ae, 0, &first_exec,
1174 						  micro_inst_arry,
1175 						  micro_inst_num);
1176 	}
1177 	kfree(micro_inst_arry);
1178 	return stat;
1179 }
1180 
qat_hal_put_rel_rd_xfer(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char ctx,enum icp_qat_uof_regtype reg_type,unsigned short reg_num,unsigned int val)1181 static int qat_hal_put_rel_rd_xfer(struct icp_qat_fw_loader_handle *handle,
1182 				   unsigned char ae, unsigned char ctx,
1183 				   enum icp_qat_uof_regtype reg_type,
1184 				   unsigned short reg_num, unsigned int val)
1185 {
1186 	int status = 0;
1187 	unsigned int reg_addr;
1188 	unsigned int ctx_enables;
1189 	unsigned short mask;
1190 	unsigned short dr_offset = 0x10;
1191 
1192 	status = ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
1193 	if (CE_INUSE_CONTEXTS & ctx_enables) {
1194 		if (ctx & 0x1) {
1195 			pr_err("QAT: bad 4-ctx mode,ctx=0x%x\n", ctx);
1196 			return -EINVAL;
1197 		}
1198 		mask = 0x1f;
1199 		dr_offset = 0x20;
1200 	} else {
1201 		mask = 0x0f;
1202 	}
1203 	if (reg_num & ~mask)
1204 		return -EINVAL;
1205 	reg_addr = reg_num + (ctx << 0x5);
1206 	switch (reg_type) {
1207 	case ICP_SR_RD_REL:
1208 	case ICP_SR_REL:
1209 		SET_AE_XFER(handle, ae, reg_addr, val);
1210 		break;
1211 	case ICP_DR_RD_REL:
1212 	case ICP_DR_REL:
1213 		SET_AE_XFER(handle, ae, (reg_addr + dr_offset), val);
1214 		break;
1215 	default:
1216 		status = -EINVAL;
1217 		break;
1218 	}
1219 	return status;
1220 }
1221 
qat_hal_put_rel_wr_xfer(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char ctx,enum icp_qat_uof_regtype reg_type,unsigned short reg_num,unsigned int data)1222 static int qat_hal_put_rel_wr_xfer(struct icp_qat_fw_loader_handle *handle,
1223 				   unsigned char ae, unsigned char ctx,
1224 				   enum icp_qat_uof_regtype reg_type,
1225 				   unsigned short reg_num, unsigned int data)
1226 {
1227 	unsigned int gprval, ctx_enables;
1228 	unsigned short src_hiaddr, src_lowaddr, gpr_addr, xfr_addr, data16hi,
1229 	    data16low;
1230 	unsigned short reg_mask;
1231 	int status = 0;
1232 	uint64_t micro_inst[] = {
1233 		0x0F440000000ull,
1234 		0x0F040000000ull,
1235 		0x0A000000000ull,
1236 		0x0F0000C0300ull,
1237 		0x0E000010000ull
1238 	};
1239 	const int num_inst = ARRAY_SIZE(micro_inst), code_off = 1;
1240 	const unsigned short gprnum = 0, dly = num_inst * 0x5;
1241 
1242 	ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
1243 	if (CE_INUSE_CONTEXTS & ctx_enables) {
1244 		if (ctx & 0x1) {
1245 			pr_err("QAT: 4-ctx mode,ctx=0x%x\n", ctx);
1246 			return -EINVAL;
1247 		}
1248 		reg_mask = (unsigned short)~0x1f;
1249 	} else {
1250 		reg_mask = (unsigned short)~0xf;
1251 	}
1252 	if (reg_num & reg_mask)
1253 		return -EINVAL;
1254 	xfr_addr = qat_hal_get_reg_addr(reg_type, reg_num);
1255 	if (xfr_addr == BAD_REGADDR) {
1256 		pr_err("QAT: bad xfrAddr=0x%x\n", xfr_addr);
1257 		return -EINVAL;
1258 	}
1259 	qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPB_REL, gprnum, &gprval);
1260 	gpr_addr = qat_hal_get_reg_addr(ICP_GPB_REL, gprnum);
1261 	data16low = 0xffff & data;
1262 	data16hi = 0xffff & (data >> 0x10);
1263 	src_hiaddr = qat_hal_get_reg_addr(ICP_NO_DEST,
1264 					  (unsigned short)(0xff & data16hi));
1265 	src_lowaddr = qat_hal_get_reg_addr(ICP_NO_DEST,
1266 					   (unsigned short)(0xff & data16low));
1267 	micro_inst[0] = micro_inst[0x0] | ((data16hi >> 8) << 20) |
1268 	    ((gpr_addr & 0x3ff) << 10) | (src_hiaddr & 0x3ff);
1269 	micro_inst[1] = micro_inst[0x1] | ((data16low >> 8) << 20) |
1270 	    ((gpr_addr & 0x3ff) << 10) | (src_lowaddr & 0x3ff);
1271 	micro_inst[0x2] = micro_inst[0x2] |
1272 	    ((xfr_addr & 0x3ff) << 20) | ((gpr_addr & 0x3ff) << 10);
1273 	status = qat_hal_exec_micro_inst(handle, ae, ctx, micro_inst, num_inst,
1274 					 code_off, dly, NULL);
1275 	qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPB_REL, gprnum, gprval);
1276 	return status;
1277 }
1278 
qat_hal_put_rel_nn(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char ctx,unsigned short nn,unsigned int val)1279 static int qat_hal_put_rel_nn(struct icp_qat_fw_loader_handle *handle,
1280 			      unsigned char ae, unsigned char ctx,
1281 			      unsigned short nn, unsigned int val)
1282 {
1283 	unsigned int ctx_enables;
1284 	int stat = 0;
1285 
1286 	ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
1287 	ctx_enables &= IGNORE_W1C_MASK;
1288 	qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables | CE_NN_MODE);
1289 
1290 	stat = qat_hal_put_rel_wr_xfer(handle, ae, ctx, ICP_NEIGH_REL, nn, val);
1291 	qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);
1292 	return stat;
1293 }
1294 
qat_hal_convert_abs_to_rel(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned short absreg_num,unsigned short * relreg,unsigned char * ctx)1295 static int qat_hal_convert_abs_to_rel(struct icp_qat_fw_loader_handle
1296 				      *handle, unsigned char ae,
1297 				      unsigned short absreg_num,
1298 				      unsigned short *relreg,
1299 				      unsigned char *ctx)
1300 {
1301 	unsigned int ctx_enables;
1302 
1303 	ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
1304 	if (ctx_enables & CE_INUSE_CONTEXTS) {
1305 		/* 4-ctx mode */
1306 		*relreg = absreg_num & 0x1F;
1307 		*ctx = (absreg_num >> 0x4) & 0x6;
1308 	} else {
1309 		/* 8-ctx mode */
1310 		*relreg = absreg_num & 0x0F;
1311 		*ctx = (absreg_num >> 0x4) & 0x7;
1312 	}
1313 	return 0;
1314 }
1315 
qat_hal_init_gpr(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char ctx_mask,enum icp_qat_uof_regtype reg_type,unsigned short reg_num,unsigned int regdata)1316 int qat_hal_init_gpr(struct icp_qat_fw_loader_handle *handle,
1317 		     unsigned char ae, unsigned char ctx_mask,
1318 		     enum icp_qat_uof_regtype reg_type,
1319 		     unsigned short reg_num, unsigned int regdata)
1320 {
1321 	int stat = 0;
1322 	unsigned short reg;
1323 	unsigned char ctx = 0;
1324 	enum icp_qat_uof_regtype type;
1325 
1326 	if (reg_num >= ICP_QAT_UCLO_MAX_GPR_REG)
1327 		return -EINVAL;
1328 
1329 	do {
1330 		if (ctx_mask == 0) {
1331 			qat_hal_convert_abs_to_rel(handle, ae, reg_num, &reg,
1332 						   &ctx);
1333 			type = reg_type - 1;
1334 		} else {
1335 			reg = reg_num;
1336 			type = reg_type;
1337 			if (!test_bit(ctx, (unsigned long *)&ctx_mask))
1338 				continue;
1339 		}
1340 		stat = qat_hal_wr_rel_reg(handle, ae, ctx, type, reg, regdata);
1341 		if (stat) {
1342 			pr_err("QAT: write gpr fail\n");
1343 			return -EINVAL;
1344 		}
1345 	} while (ctx_mask && (ctx++ < ICP_QAT_UCLO_MAX_CTX));
1346 
1347 	return 0;
1348 }
1349 
qat_hal_init_wr_xfer(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char ctx_mask,enum icp_qat_uof_regtype reg_type,unsigned short reg_num,unsigned int regdata)1350 int qat_hal_init_wr_xfer(struct icp_qat_fw_loader_handle *handle,
1351 			 unsigned char ae, unsigned char ctx_mask,
1352 			 enum icp_qat_uof_regtype reg_type,
1353 			 unsigned short reg_num, unsigned int regdata)
1354 {
1355 	int stat = 0;
1356 	unsigned short reg;
1357 	unsigned char ctx = 0;
1358 	enum icp_qat_uof_regtype type;
1359 
1360 	if (reg_num >= ICP_QAT_UCLO_MAX_XFER_REG)
1361 		return -EINVAL;
1362 
1363 	do {
1364 		if (ctx_mask == 0) {
1365 			qat_hal_convert_abs_to_rel(handle, ae, reg_num, &reg,
1366 						   &ctx);
1367 			type = reg_type - 3;
1368 		} else {
1369 			reg = reg_num;
1370 			type = reg_type;
1371 			if (!test_bit(ctx, (unsigned long *)&ctx_mask))
1372 				continue;
1373 		}
1374 		stat = qat_hal_put_rel_wr_xfer(handle, ae, ctx, type, reg,
1375 					       regdata);
1376 		if (stat) {
1377 			pr_err("QAT: write wr xfer fail\n");
1378 			return -EINVAL;
1379 		}
1380 	} while (ctx_mask && (ctx++ < ICP_QAT_UCLO_MAX_CTX));
1381 
1382 	return 0;
1383 }
1384 
qat_hal_init_rd_xfer(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char ctx_mask,enum icp_qat_uof_regtype reg_type,unsigned short reg_num,unsigned int regdata)1385 int qat_hal_init_rd_xfer(struct icp_qat_fw_loader_handle *handle,
1386 			 unsigned char ae, unsigned char ctx_mask,
1387 			 enum icp_qat_uof_regtype reg_type,
1388 			 unsigned short reg_num, unsigned int regdata)
1389 {
1390 	int stat = 0;
1391 	unsigned short reg;
1392 	unsigned char ctx = 0;
1393 	enum icp_qat_uof_regtype type;
1394 
1395 	if (reg_num >= ICP_QAT_UCLO_MAX_XFER_REG)
1396 		return -EINVAL;
1397 
1398 	do {
1399 		if (ctx_mask == 0) {
1400 			qat_hal_convert_abs_to_rel(handle, ae, reg_num, &reg,
1401 						   &ctx);
1402 			type = reg_type - 3;
1403 		} else {
1404 			reg = reg_num;
1405 			type = reg_type;
1406 			if (!test_bit(ctx, (unsigned long *)&ctx_mask))
1407 				continue;
1408 		}
1409 		stat = qat_hal_put_rel_rd_xfer(handle, ae, ctx, type, reg,
1410 					       regdata);
1411 		if (stat) {
1412 			pr_err("QAT: write rd xfer fail\n");
1413 			return -EINVAL;
1414 		}
1415 	} while (ctx_mask && (ctx++ < ICP_QAT_UCLO_MAX_CTX));
1416 
1417 	return 0;
1418 }
1419 
qat_hal_init_nn(struct icp_qat_fw_loader_handle * handle,unsigned char ae,unsigned char ctx_mask,unsigned short reg_num,unsigned int regdata)1420 int qat_hal_init_nn(struct icp_qat_fw_loader_handle *handle,
1421 		    unsigned char ae, unsigned char ctx_mask,
1422 		    unsigned short reg_num, unsigned int regdata)
1423 {
1424 	int stat = 0;
1425 	unsigned char ctx;
1426 
1427 	if (ctx_mask == 0)
1428 		return -EINVAL;
1429 
1430 	for (ctx = 0; ctx < ICP_QAT_UCLO_MAX_CTX; ctx++) {
1431 		if (!test_bit(ctx, (unsigned long *)&ctx_mask))
1432 			continue;
1433 		stat = qat_hal_put_rel_nn(handle, ae, ctx, reg_num, regdata);
1434 		if (stat) {
1435 			pr_err("QAT: write neigh error\n");
1436 			return -EINVAL;
1437 		}
1438 	}
1439 
1440 	return 0;
1441 }
1442