1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or https://opensource.org/licenses/CDDL-1.0.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright (C) 2016 Romain Dolbeau. All rights reserved.
23 * Copyright (C) 2016 Gvozden Ne��kovi��. All rights reserved.
24 */
25
26#include <sys/isa_defs.h>
27
28#if defined(__x86_64) && defined(HAVE_AVX512F)
29
30#include <sys/types.h>
31#include <sys/simd.h>
32#include <sys/debug.h>
33
34#ifdef __linux__
35#define	__asm __asm__ __volatile__
36#endif
37
38#define	_REG_CNT(_0, _1, _2, _3, _4, _5, _6, _7, N, ...) N
39#define	REG_CNT(r...) _REG_CNT(r, 8, 7, 6, 5, 4, 3, 2, 1)
40
41#define	VR0_(REG, ...) "zmm"#REG
42#define	VR1_(_1, REG, ...) "zmm"#REG
43#define	VR2_(_1, _2, REG, ...) "zmm"#REG
44#define	VR3_(_1, _2, _3, REG, ...) "zmm"#REG
45#define	VR4_(_1, _2, _3, _4, REG, ...) "zmm"#REG
46#define	VR5_(_1, _2, _3, _4, _5, REG, ...) "zmm"#REG
47#define	VR6_(_1, _2, _3, _4, _5, _6, REG, ...) "zmm"#REG
48#define	VR7_(_1, _2, _3, _4, _5, _6, _7, REG, ...) "zmm"#REG
49
50#define	VR0(r...) VR0_(r)
51#define	VR1(r...) VR1_(r)
52#define	VR2(r...) VR2_(r, 1)
53#define	VR3(r...) VR3_(r, 1, 2)
54#define	VR4(r...) VR4_(r, 1, 2)
55#define	VR5(r...) VR5_(r, 1, 2, 3)
56#define	VR6(r...) VR6_(r, 1, 2, 3, 4)
57#define	VR7(r...) VR7_(r, 1, 2, 3, 4, 5)
58
59#define	VRy0_(REG, ...) "ymm"#REG
60#define	VRy1_(_1, REG, ...) "ymm"#REG
61#define	VRy2_(_1, _2, REG, ...) "ymm"#REG
62#define	VRy3_(_1, _2, _3, REG, ...) "ymm"#REG
63#define	VRy4_(_1, _2, _3, _4, REG, ...) "ymm"#REG
64#define	VRy5_(_1, _2, _3, _4, _5, REG, ...) "ymm"#REG
65#define	VRy6_(_1, _2, _3, _4, _5, _6, REG, ...) "ymm"#REG
66#define	VRy7_(_1, _2, _3, _4, _5, _6, _7, REG, ...) "ymm"#REG
67
68#define	VRy0(r...) VRy0_(r)
69#define	VRy1(r...) VRy1_(r)
70#define	VRy2(r...) VRy2_(r, 1)
71#define	VRy3(r...) VRy3_(r, 1, 2)
72#define	VRy4(r...) VRy4_(r, 1, 2)
73#define	VRy5(r...) VRy5_(r, 1, 2, 3)
74#define	VRy6(r...) VRy6_(r, 1, 2, 3, 4)
75#define	VRy7(r...) VRy7_(r, 1, 2, 3, 4, 5)
76
77#define	R_01(REG1, REG2, ...) REG1, REG2
78#define	_R_23(_0, _1, REG2, REG3, ...) REG2, REG3
79#define	R_23(REG...) _R_23(REG, 1, 2, 3)
80
81#define	ELEM_SIZE 64
82
83typedef struct v {
84	uint8_t b[ELEM_SIZE] __attribute__((aligned(ELEM_SIZE)));
85} v_t;
86
87
88#define	XOR_ACC(src, r...)						\
89{									\
90	switch (REG_CNT(r)) {						\
91	case 4:								\
92		__asm(							\
93		    "vpxorq 0x00(%[SRC]), %%" VR0(r)", %%" VR0(r) "\n"	\
94		    "vpxorq 0x40(%[SRC]), %%" VR1(r)", %%" VR1(r) "\n"	\
95		    "vpxorq 0x80(%[SRC]), %%" VR2(r)", %%" VR2(r) "\n"	\
96		    "vpxorq 0xc0(%[SRC]), %%" VR3(r)", %%" VR3(r) "\n"	\
97		    : : [SRC] "r" (src));				\
98		break;							\
99	}								\
100}
101
102#define	XOR(r...)							\
103{									\
104	switch (REG_CNT(r)) {						\
105	case 8:								\
106		__asm(							\
107		    "vpxorq %" VR0(r) ", %" VR4(r)", %" VR4(r) "\n"	\
108		    "vpxorq %" VR1(r) ", %" VR5(r)", %" VR5(r) "\n"	\
109		    "vpxorq %" VR2(r) ", %" VR6(r)", %" VR6(r) "\n"	\
110		    "vpxorq %" VR3(r) ", %" VR7(r)", %" VR7(r));	\
111		break;							\
112	case 4:								\
113		__asm(							\
114		    "vpxorq %" VR0(r) ", %" VR2(r)", %" VR2(r) "\n"	\
115		    "vpxorq %" VR1(r) ", %" VR3(r)", %" VR3(r));	\
116		break;							\
117	}								\
118}
119
120
121#define	ZERO(r...)	XOR(r, r)
122
123
124#define	COPY(r...) 							\
125{									\
126	switch (REG_CNT(r)) {						\
127	case 8:								\
128		__asm(							\
129		    "vmovdqa64 %" VR0(r) ", %" VR4(r) "\n"		\
130		    "vmovdqa64 %" VR1(r) ", %" VR5(r) "\n"		\
131		    "vmovdqa64 %" VR2(r) ", %" VR6(r) "\n"		\
132		    "vmovdqa64 %" VR3(r) ", %" VR7(r));			\
133		break;							\
134	case 4:								\
135		__asm(							\
136		    "vmovdqa64 %" VR0(r) ", %" VR2(r) "\n"		\
137		    "vmovdqa64 %" VR1(r) ", %" VR3(r));			\
138		break;							\
139	}								\
140}
141
142#define	LOAD(src, r...) 						\
143{									\
144	switch (REG_CNT(r)) {						\
145	case 4:								\
146		__asm(							\
147		    "vmovdqa64 0x00(%[SRC]), %%" VR0(r) "\n"		\
148		    "vmovdqa64 0x40(%[SRC]), %%" VR1(r) "\n"		\
149		    "vmovdqa64 0x80(%[SRC]), %%" VR2(r) "\n"		\
150		    "vmovdqa64 0xc0(%[SRC]), %%" VR3(r) "\n"		\
151		    : : [SRC] "r" (src));				\
152		break;							\
153	}								\
154}
155
156#define	STORE(dst, r...)   						\
157{									\
158	switch (REG_CNT(r)) {						\
159	case 4:								\
160		__asm(							\
161		    "vmovdqa64 %%" VR0(r) ", 0x00(%[DST])\n"		\
162		    "vmovdqa64 %%" VR1(r) ", 0x40(%[DST])\n"		\
163		    "vmovdqa64 %%" VR2(r) ", 0x80(%[DST])\n"		\
164		    "vmovdqa64 %%" VR3(r) ", 0xc0(%[DST])\n"		\
165		    : : [DST] "r" (dst));				\
166		break;							\
167	}								\
168}
169
170#define	MUL2_SETUP() 							\
171{   									\
172	__asm("vmovq %0,   %%xmm31" :: "r"(0x1d1d1d1d1d1d1d1d));	\
173	__asm("vpbroadcastq %xmm31, %zmm31");				\
174	__asm("vmovq %0,   %%xmm30" :: "r"(0x8080808080808080));	\
175	__asm("vpbroadcastq %xmm30, %zmm30");				\
176	__asm("vmovq %0,   %%xmm29" :: "r"(0xfefefefefefefefe));	\
177	__asm("vpbroadcastq %xmm29, %zmm29");				\
178}
179
180#define	_MUL2(r...) 							\
181{									\
182	switch	(REG_CNT(r)) {						\
183	case 2:								\
184		__asm(							\
185		    "vpandq   %" VR0(r)", %zmm30, %zmm26\n"		\
186		    "vpandq   %" VR1(r)", %zmm30, %zmm25\n"		\
187		    "vpsrlq   $7, %zmm26, %zmm28\n"			\
188		    "vpsrlq   $7, %zmm25, %zmm27\n"			\
189		    "vpsllq   $1, %zmm26, %zmm26\n"			\
190		    "vpsllq   $1, %zmm25, %zmm25\n"			\
191		    "vpsubq   %zmm28, %zmm26, %zmm26\n"			\
192		    "vpsubq   %zmm27, %zmm25, %zmm25\n"			\
193		    "vpsllq   $1, %" VR0(r)", %" VR0(r) "\n"		\
194		    "vpsllq   $1, %" VR1(r)", %" VR1(r) "\n"		\
195		    "vpandq   %zmm26, %zmm31, %zmm26\n" 		\
196		    "vpandq   %zmm25, %zmm31, %zmm25\n" 		\
197		    "vpternlogd $0x6c,%zmm29, %zmm26, %" VR0(r) "\n"	\
198		    "vpternlogd $0x6c,%zmm29, %zmm25, %" VR1(r));	\
199		break;							\
200	default:							\
201		VERIFY(0);						\
202	}								\
203}
204
205#define	MUL2(r...)							\
206{									\
207	switch (REG_CNT(r)) {						\
208	case 4:								\
209	    _MUL2(R_01(r));						\
210	    _MUL2(R_23(r));						\
211	    break;							\
212	case 2:								\
213	    _MUL2(r);							\
214	    break;							\
215	}								\
216}
217
218#define	MUL4(r...)							\
219{									\
220	MUL2(r);							\
221	MUL2(r);							\
222}
223
224
225/* General multiplication by adding powers of two */
226
227#define	_mul_x2_in	21, 22
228#define	_mul_x2_acc	23, 24
229
230#define	_MUL_PARAM(x, in, acc)						\
231{									\
232	if (x & 0x01) {	COPY(in, acc); } else { ZERO(acc); }		\
233	if (x & 0xfe) { MUL2(in); }					\
234	if (x & 0x02) { XOR(in, acc); }					\
235	if (x & 0xfc) { MUL2(in); }					\
236	if (x & 0x04) { XOR(in, acc); }					\
237	if (x & 0xf8) { MUL2(in); }					\
238	if (x & 0x08) { XOR(in, acc); }					\
239	if (x & 0xf0) { MUL2(in); }					\
240	if (x & 0x10) { XOR(in, acc); }					\
241	if (x & 0xe0) { MUL2(in); }					\
242	if (x & 0x20) { XOR(in, acc); }					\
243	if (x & 0xc0) { MUL2(in); }					\
244	if (x & 0x40) { XOR(in, acc); }					\
245	if (x & 0x80) { MUL2(in); XOR(in, acc); }			\
246}
247
248#define	MUL_x2_DEFINE(x)						\
249static void 								\
250mul_x2_ ## x(void) { _MUL_PARAM(x, _mul_x2_in, _mul_x2_acc); }
251
252
253MUL_x2_DEFINE(0); MUL_x2_DEFINE(1); MUL_x2_DEFINE(2); MUL_x2_DEFINE(3);
254MUL_x2_DEFINE(4); MUL_x2_DEFINE(5); MUL_x2_DEFINE(6); MUL_x2_DEFINE(7);
255MUL_x2_DEFINE(8); MUL_x2_DEFINE(9); MUL_x2_DEFINE(10); MUL_x2_DEFINE(11);
256MUL_x2_DEFINE(12); MUL_x2_DEFINE(13); MUL_x2_DEFINE(14); MUL_x2_DEFINE(15);
257MUL_x2_DEFINE(16); MUL_x2_DEFINE(17); MUL_x2_DEFINE(18); MUL_x2_DEFINE(19);
258MUL_x2_DEFINE(20); MUL_x2_DEFINE(21); MUL_x2_DEFINE(22); MUL_x2_DEFINE(23);
259MUL_x2_DEFINE(24); MUL_x2_DEFINE(25); MUL_x2_DEFINE(26); MUL_x2_DEFINE(27);
260MUL_x2_DEFINE(28); MUL_x2_DEFINE(29); MUL_x2_DEFINE(30); MUL_x2_DEFINE(31);
261MUL_x2_DEFINE(32); MUL_x2_DEFINE(33); MUL_x2_DEFINE(34); MUL_x2_DEFINE(35);
262MUL_x2_DEFINE(36); MUL_x2_DEFINE(37); MUL_x2_DEFINE(38); MUL_x2_DEFINE(39);
263MUL_x2_DEFINE(40); MUL_x2_DEFINE(41); MUL_x2_DEFINE(42); MUL_x2_DEFINE(43);
264MUL_x2_DEFINE(44); MUL_x2_DEFINE(45); MUL_x2_DEFINE(46); MUL_x2_DEFINE(47);
265MUL_x2_DEFINE(48); MUL_x2_DEFINE(49); MUL_x2_DEFINE(50); MUL_x2_DEFINE(51);
266MUL_x2_DEFINE(52); MUL_x2_DEFINE(53); MUL_x2_DEFINE(54); MUL_x2_DEFINE(55);
267MUL_x2_DEFINE(56); MUL_x2_DEFINE(57); MUL_x2_DEFINE(58); MUL_x2_DEFINE(59);
268MUL_x2_DEFINE(60); MUL_x2_DEFINE(61); MUL_x2_DEFINE(62); MUL_x2_DEFINE(63);
269MUL_x2_DEFINE(64); MUL_x2_DEFINE(65); MUL_x2_DEFINE(66); MUL_x2_DEFINE(67);
270MUL_x2_DEFINE(68); MUL_x2_DEFINE(69); MUL_x2_DEFINE(70); MUL_x2_DEFINE(71);
271MUL_x2_DEFINE(72); MUL_x2_DEFINE(73); MUL_x2_DEFINE(74); MUL_x2_DEFINE(75);
272MUL_x2_DEFINE(76); MUL_x2_DEFINE(77); MUL_x2_DEFINE(78); MUL_x2_DEFINE(79);
273MUL_x2_DEFINE(80); MUL_x2_DEFINE(81); MUL_x2_DEFINE(82); MUL_x2_DEFINE(83);
274MUL_x2_DEFINE(84); MUL_x2_DEFINE(85); MUL_x2_DEFINE(86); MUL_x2_DEFINE(87);
275MUL_x2_DEFINE(88); MUL_x2_DEFINE(89); MUL_x2_DEFINE(90); MUL_x2_DEFINE(91);
276MUL_x2_DEFINE(92); MUL_x2_DEFINE(93); MUL_x2_DEFINE(94); MUL_x2_DEFINE(95);
277MUL_x2_DEFINE(96); MUL_x2_DEFINE(97); MUL_x2_DEFINE(98); MUL_x2_DEFINE(99);
278MUL_x2_DEFINE(100); MUL_x2_DEFINE(101); MUL_x2_DEFINE(102); MUL_x2_DEFINE(103);
279MUL_x2_DEFINE(104); MUL_x2_DEFINE(105); MUL_x2_DEFINE(106); MUL_x2_DEFINE(107);
280MUL_x2_DEFINE(108); MUL_x2_DEFINE(109); MUL_x2_DEFINE(110); MUL_x2_DEFINE(111);
281MUL_x2_DEFINE(112); MUL_x2_DEFINE(113); MUL_x2_DEFINE(114); MUL_x2_DEFINE(115);
282MUL_x2_DEFINE(116); MUL_x2_DEFINE(117); MUL_x2_DEFINE(118); MUL_x2_DEFINE(119);
283MUL_x2_DEFINE(120); MUL_x2_DEFINE(121); MUL_x2_DEFINE(122); MUL_x2_DEFINE(123);
284MUL_x2_DEFINE(124); MUL_x2_DEFINE(125); MUL_x2_DEFINE(126); MUL_x2_DEFINE(127);
285MUL_x2_DEFINE(128); MUL_x2_DEFINE(129); MUL_x2_DEFINE(130); MUL_x2_DEFINE(131);
286MUL_x2_DEFINE(132); MUL_x2_DEFINE(133); MUL_x2_DEFINE(134); MUL_x2_DEFINE(135);
287MUL_x2_DEFINE(136); MUL_x2_DEFINE(137); MUL_x2_DEFINE(138); MUL_x2_DEFINE(139);
288MUL_x2_DEFINE(140); MUL_x2_DEFINE(141); MUL_x2_DEFINE(142); MUL_x2_DEFINE(143);
289MUL_x2_DEFINE(144); MUL_x2_DEFINE(145); MUL_x2_DEFINE(146); MUL_x2_DEFINE(147);
290MUL_x2_DEFINE(148); MUL_x2_DEFINE(149); MUL_x2_DEFINE(150); MUL_x2_DEFINE(151);
291MUL_x2_DEFINE(152); MUL_x2_DEFINE(153); MUL_x2_DEFINE(154); MUL_x2_DEFINE(155);
292MUL_x2_DEFINE(156); MUL_x2_DEFINE(157); MUL_x2_DEFINE(158); MUL_x2_DEFINE(159);
293MUL_x2_DEFINE(160); MUL_x2_DEFINE(161); MUL_x2_DEFINE(162); MUL_x2_DEFINE(163);
294MUL_x2_DEFINE(164); MUL_x2_DEFINE(165); MUL_x2_DEFINE(166); MUL_x2_DEFINE(167);
295MUL_x2_DEFINE(168); MUL_x2_DEFINE(169); MUL_x2_DEFINE(170); MUL_x2_DEFINE(171);
296MUL_x2_DEFINE(172); MUL_x2_DEFINE(173); MUL_x2_DEFINE(174); MUL_x2_DEFINE(175);
297MUL_x2_DEFINE(176); MUL_x2_DEFINE(177); MUL_x2_DEFINE(178); MUL_x2_DEFINE(179);
298MUL_x2_DEFINE(180); MUL_x2_DEFINE(181); MUL_x2_DEFINE(182); MUL_x2_DEFINE(183);
299MUL_x2_DEFINE(184); MUL_x2_DEFINE(185); MUL_x2_DEFINE(186); MUL_x2_DEFINE(187);
300MUL_x2_DEFINE(188); MUL_x2_DEFINE(189); MUL_x2_DEFINE(190); MUL_x2_DEFINE(191);
301MUL_x2_DEFINE(192); MUL_x2_DEFINE(193); MUL_x2_DEFINE(194); MUL_x2_DEFINE(195);
302MUL_x2_DEFINE(196); MUL_x2_DEFINE(197); MUL_x2_DEFINE(198); MUL_x2_DEFINE(199);
303MUL_x2_DEFINE(200); MUL_x2_DEFINE(201); MUL_x2_DEFINE(202); MUL_x2_DEFINE(203);
304MUL_x2_DEFINE(204); MUL_x2_DEFINE(205); MUL_x2_DEFINE(206); MUL_x2_DEFINE(207);
305MUL_x2_DEFINE(208); MUL_x2_DEFINE(209); MUL_x2_DEFINE(210); MUL_x2_DEFINE(211);
306MUL_x2_DEFINE(212); MUL_x2_DEFINE(213); MUL_x2_DEFINE(214); MUL_x2_DEFINE(215);
307MUL_x2_DEFINE(216); MUL_x2_DEFINE(217); MUL_x2_DEFINE(218); MUL_x2_DEFINE(219);
308MUL_x2_DEFINE(220); MUL_x2_DEFINE(221); MUL_x2_DEFINE(222); MUL_x2_DEFINE(223);
309MUL_x2_DEFINE(224); MUL_x2_DEFINE(225); MUL_x2_DEFINE(226); MUL_x2_DEFINE(227);
310MUL_x2_DEFINE(228); MUL_x2_DEFINE(229); MUL_x2_DEFINE(230); MUL_x2_DEFINE(231);
311MUL_x2_DEFINE(232); MUL_x2_DEFINE(233); MUL_x2_DEFINE(234); MUL_x2_DEFINE(235);
312MUL_x2_DEFINE(236); MUL_x2_DEFINE(237); MUL_x2_DEFINE(238); MUL_x2_DEFINE(239);
313MUL_x2_DEFINE(240); MUL_x2_DEFINE(241); MUL_x2_DEFINE(242); MUL_x2_DEFINE(243);
314MUL_x2_DEFINE(244); MUL_x2_DEFINE(245); MUL_x2_DEFINE(246); MUL_x2_DEFINE(247);
315MUL_x2_DEFINE(248); MUL_x2_DEFINE(249); MUL_x2_DEFINE(250); MUL_x2_DEFINE(251);
316MUL_x2_DEFINE(252); MUL_x2_DEFINE(253); MUL_x2_DEFINE(254); MUL_x2_DEFINE(255);
317
318
319typedef void (*mul_fn_ptr_t)(void);
320
321static const mul_fn_ptr_t __attribute__((aligned(256)))
322gf_x2_mul_fns[256] = {
323	mul_x2_0, mul_x2_1, mul_x2_2, mul_x2_3, mul_x2_4, mul_x2_5,
324	mul_x2_6, mul_x2_7, mul_x2_8, mul_x2_9, mul_x2_10, mul_x2_11,
325	mul_x2_12, mul_x2_13, mul_x2_14, mul_x2_15, mul_x2_16, mul_x2_17,
326	mul_x2_18, mul_x2_19, mul_x2_20, mul_x2_21, mul_x2_22, mul_x2_23,
327	mul_x2_24, mul_x2_25, mul_x2_26, mul_x2_27, mul_x2_28, mul_x2_29,
328	mul_x2_30, mul_x2_31, mul_x2_32, mul_x2_33, mul_x2_34, mul_x2_35,
329	mul_x2_36, mul_x2_37, mul_x2_38, mul_x2_39, mul_x2_40, mul_x2_41,
330	mul_x2_42, mul_x2_43, mul_x2_44, mul_x2_45, mul_x2_46, mul_x2_47,
331	mul_x2_48, mul_x2_49, mul_x2_50, mul_x2_51, mul_x2_52, mul_x2_53,
332	mul_x2_54, mul_x2_55, mul_x2_56, mul_x2_57, mul_x2_58, mul_x2_59,
333	mul_x2_60, mul_x2_61, mul_x2_62, mul_x2_63, mul_x2_64, mul_x2_65,
334	mul_x2_66, mul_x2_67, mul_x2_68, mul_x2_69, mul_x2_70, mul_x2_71,
335	mul_x2_72, mul_x2_73, mul_x2_74, mul_x2_75, mul_x2_76, mul_x2_77,
336	mul_x2_78, mul_x2_79, mul_x2_80, mul_x2_81, mul_x2_82, mul_x2_83,
337	mul_x2_84, mul_x2_85, mul_x2_86, mul_x2_87, mul_x2_88, mul_x2_89,
338	mul_x2_90, mul_x2_91, mul_x2_92, mul_x2_93, mul_x2_94, mul_x2_95,
339	mul_x2_96, mul_x2_97, mul_x2_98, mul_x2_99, mul_x2_100, mul_x2_101,
340	mul_x2_102, mul_x2_103, mul_x2_104, mul_x2_105, mul_x2_106, mul_x2_107,
341	mul_x2_108, mul_x2_109, mul_x2_110, mul_x2_111, mul_x2_112, mul_x2_113,
342	mul_x2_114, mul_x2_115, mul_x2_116, mul_x2_117, mul_x2_118, mul_x2_119,
343	mul_x2_120, mul_x2_121, mul_x2_122, mul_x2_123, mul_x2_124, mul_x2_125,
344	mul_x2_126, mul_x2_127, mul_x2_128, mul_x2_129, mul_x2_130, mul_x2_131,
345	mul_x2_132, mul_x2_133, mul_x2_134, mul_x2_135, mul_x2_136, mul_x2_137,
346	mul_x2_138, mul_x2_139, mul_x2_140, mul_x2_141, mul_x2_142, mul_x2_143,
347	mul_x2_144, mul_x2_145, mul_x2_146, mul_x2_147, mul_x2_148, mul_x2_149,
348	mul_x2_150, mul_x2_151, mul_x2_152, mul_x2_153, mul_x2_154, mul_x2_155,
349	mul_x2_156, mul_x2_157, mul_x2_158, mul_x2_159, mul_x2_160, mul_x2_161,
350	mul_x2_162, mul_x2_163, mul_x2_164, mul_x2_165, mul_x2_166, mul_x2_167,
351	mul_x2_168, mul_x2_169, mul_x2_170, mul_x2_171, mul_x2_172, mul_x2_173,
352	mul_x2_174, mul_x2_175, mul_x2_176, mul_x2_177, mul_x2_178, mul_x2_179,
353	mul_x2_180, mul_x2_181, mul_x2_182, mul_x2_183, mul_x2_184, mul_x2_185,
354	mul_x2_186, mul_x2_187, mul_x2_188, mul_x2_189, mul_x2_190, mul_x2_191,
355	mul_x2_192, mul_x2_193, mul_x2_194, mul_x2_195, mul_x2_196, mul_x2_197,
356	mul_x2_198, mul_x2_199, mul_x2_200, mul_x2_201, mul_x2_202, mul_x2_203,
357	mul_x2_204, mul_x2_205, mul_x2_206, mul_x2_207, mul_x2_208, mul_x2_209,
358	mul_x2_210, mul_x2_211, mul_x2_212, mul_x2_213, mul_x2_214, mul_x2_215,
359	mul_x2_216, mul_x2_217, mul_x2_218, mul_x2_219, mul_x2_220, mul_x2_221,
360	mul_x2_222, mul_x2_223, mul_x2_224, mul_x2_225, mul_x2_226, mul_x2_227,
361	mul_x2_228, mul_x2_229, mul_x2_230, mul_x2_231, mul_x2_232, mul_x2_233,
362	mul_x2_234, mul_x2_235, mul_x2_236, mul_x2_237, mul_x2_238, mul_x2_239,
363	mul_x2_240, mul_x2_241, mul_x2_242, mul_x2_243, mul_x2_244, mul_x2_245,
364	mul_x2_246, mul_x2_247, mul_x2_248, mul_x2_249, mul_x2_250, mul_x2_251,
365	mul_x2_252, mul_x2_253, mul_x2_254, mul_x2_255
366};
367
368#define	MUL(c, r...) 							\
369{									\
370	switch (REG_CNT(r)) {						\
371	case 4:								\
372		COPY(R_01(r), _mul_x2_in);				\
373		gf_x2_mul_fns[c]();					\
374		COPY(_mul_x2_acc, R_01(r));				\
375		COPY(R_23(r), _mul_x2_in);				\
376		gf_x2_mul_fns[c]();					\
377		COPY(_mul_x2_acc, R_23(r));				\
378		break;							\
379	default:							\
380		VERIFY(0);						\
381	}								\
382}
383
384
385#define	raidz_math_begin()	kfpu_begin()
386#define	raidz_math_end()	kfpu_end()
387
388
389#define	SYN_STRIDE		4
390
391#define	ZERO_STRIDE		4
392#define	ZERO_DEFINE()		{}
393#define	ZERO_D			0, 1, 2, 3
394
395#define	COPY_STRIDE		4
396#define	COPY_DEFINE()		{}
397#define	COPY_D			0, 1, 2, 3
398
399#define	ADD_STRIDE		4
400#define	ADD_DEFINE()		{}
401#define	ADD_D 			0, 1, 2, 3
402
403#define	MUL_STRIDE		4
404#define	MUL_DEFINE() 		MUL2_SETUP()
405#define	MUL_D			0, 1, 2, 3
406
407#define	GEN_P_STRIDE		4
408#define	GEN_P_DEFINE()		{}
409#define	GEN_P_P			0, 1, 2, 3
410
411#define	GEN_PQ_STRIDE		4
412#define	GEN_PQ_DEFINE() 	{}
413#define	GEN_PQ_D		0, 1, 2, 3
414#define	GEN_PQ_C		4, 5, 6, 7
415
416#define	GEN_PQR_STRIDE		4
417#define	GEN_PQR_DEFINE() 	{}
418#define	GEN_PQR_D		0, 1, 2, 3
419#define	GEN_PQR_C		4, 5, 6, 7
420
421#define	SYN_Q_DEFINE()		{}
422#define	SYN_Q_D			0, 1, 2, 3
423#define	SYN_Q_X			4, 5, 6, 7
424
425#define	SYN_R_DEFINE()		{}
426#define	SYN_R_D			0, 1, 2, 3
427#define	SYN_R_X			4, 5, 6, 7
428
429#define	SYN_PQ_DEFINE() 	{}
430#define	SYN_PQ_D		0, 1, 2, 3
431#define	SYN_PQ_X		4, 5, 6, 7
432
433#define	REC_PQ_STRIDE		4
434#define	REC_PQ_DEFINE()		MUL2_SETUP()
435#define	REC_PQ_X		0, 1, 2, 3
436#define	REC_PQ_Y		4, 5, 6, 7
437#define	REC_PQ_T		8, 9, 10, 11
438
439#define	SYN_PR_DEFINE() 	{}
440#define	SYN_PR_D		0, 1, 2, 3
441#define	SYN_PR_X		4, 5, 6, 7
442
443#define	REC_PR_STRIDE		4
444#define	REC_PR_DEFINE() 	MUL2_SETUP()
445#define	REC_PR_X		0, 1, 2, 3
446#define	REC_PR_Y		4, 5, 6, 7
447#define	REC_PR_T		8, 9, 10, 11
448
449#define	SYN_QR_DEFINE() 	{}
450#define	SYN_QR_D		0, 1, 2, 3
451#define	SYN_QR_X		4, 5, 6, 7
452
453#define	REC_QR_STRIDE		4
454#define	REC_QR_DEFINE() 	MUL2_SETUP()
455#define	REC_QR_X		0, 1, 2, 3
456#define	REC_QR_Y		4, 5, 6, 7
457#define	REC_QR_T		8, 9, 10, 11
458
459#define	SYN_PQR_DEFINE() 	{}
460#define	SYN_PQR_D		0, 1, 2, 3
461#define	SYN_PQR_X		4, 5, 6, 7
462
463#define	REC_PQR_STRIDE		4
464#define	REC_PQR_DEFINE() 	MUL2_SETUP()
465#define	REC_PQR_X		0, 1, 2, 3
466#define	REC_PQR_Y		4, 5, 6, 7
467#define	REC_PQR_Z		8, 9, 10, 11
468#define	REC_PQR_XS		12, 13, 14, 15
469#define	REC_PQR_YS		16, 17, 18, 19
470
471
472#include <sys/vdev_raidz_impl.h>
473#include "vdev_raidz_math_impl.h"
474
475DEFINE_GEN_METHODS(avx512f);
476DEFINE_REC_METHODS(avx512f);
477
478static boolean_t
479raidz_will_avx512f_work(void)
480{
481	return (kfpu_allowed() && zfs_avx_available() &&
482	    zfs_avx2_available() && zfs_avx512f_available());
483}
484
485const raidz_impl_ops_t vdev_raidz_avx512f_impl = {
486	.init = NULL,
487	.fini = NULL,
488	.gen = RAIDZ_GEN_METHODS(avx512f),
489	.rec = RAIDZ_REC_METHODS(avx512f),
490	.is_supported = &raidz_will_avx512f_work,
491	.name = "avx512f"
492};
493
494#endif /* defined(__x86_64) && defined(HAVE_AVX512F) */
495