1 /* SPDX-License-Identifier: LGPL-2.1 WITH Linux-syscall-note */
2 /* Copyright(c) 2019 Intel Corporation. All rights rsvd. */
3 #ifndef _USR_IDXD_H_
4 #define _USR_IDXD_H_
5 
6 #ifdef __KERNEL__
7 #include <linux/types.h>
8 #else
9 #include <stdint.h>
10 #endif
11 
12 /* Driver command error status */
13 enum idxd_scmd_stat {
14 	IDXD_SCMD_DEV_ENABLED = 0x80000010,
15 	IDXD_SCMD_DEV_NOT_ENABLED = 0x80000020,
16 	IDXD_SCMD_WQ_ENABLED = 0x80000021,
17 	IDXD_SCMD_DEV_DMA_ERR = 0x80020000,
18 	IDXD_SCMD_WQ_NO_GRP = 0x80030000,
19 	IDXD_SCMD_WQ_NO_NAME = 0x80040000,
20 	IDXD_SCMD_WQ_NO_SVM = 0x80050000,
21 	IDXD_SCMD_WQ_NO_THRESH = 0x80060000,
22 	IDXD_SCMD_WQ_PORTAL_ERR = 0x80070000,
23 	IDXD_SCMD_WQ_RES_ALLOC_ERR = 0x80080000,
24 	IDXD_SCMD_PERCPU_ERR = 0x80090000,
25 	IDXD_SCMD_DMA_CHAN_ERR = 0x800a0000,
26 	IDXD_SCMD_CDEV_ERR = 0x800b0000,
27 	IDXD_SCMD_WQ_NO_SWQ_SUPPORT = 0x800c0000,
28 	IDXD_SCMD_WQ_NONE_CONFIGURED = 0x800d0000,
29 	IDXD_SCMD_WQ_NO_SIZE = 0x800e0000,
30 	IDXD_SCMD_WQ_NO_PRIV = 0x800f0000,
31 	IDXD_SCMD_WQ_IRQ_ERR = 0x80100000,
32 	IDXD_SCMD_WQ_USER_NO_IOMMU = 0x80110000,
33 };
34 
35 #define IDXD_SCMD_SOFTERR_MASK	0x80000000
36 #define IDXD_SCMD_SOFTERR_SHIFT	16
37 
38 /* Descriptor flags */
39 #define IDXD_OP_FLAG_FENCE	0x0001
40 #define IDXD_OP_FLAG_BOF	0x0002
41 #define IDXD_OP_FLAG_CRAV	0x0004
42 #define IDXD_OP_FLAG_RCR	0x0008
43 #define IDXD_OP_FLAG_RCI	0x0010
44 #define IDXD_OP_FLAG_CRSTS	0x0020
45 #define IDXD_OP_FLAG_CR		0x0080
46 #define IDXD_OP_FLAG_CC		0x0100
47 #define IDXD_OP_FLAG_ADDR1_TCS	0x0200
48 #define IDXD_OP_FLAG_ADDR2_TCS	0x0400
49 #define IDXD_OP_FLAG_ADDR3_TCS	0x0800
50 #define IDXD_OP_FLAG_CR_TCS	0x1000
51 #define IDXD_OP_FLAG_STORD	0x2000
52 #define IDXD_OP_FLAG_DRDBK	0x4000
53 #define IDXD_OP_FLAG_DSTS	0x8000
54 
55 /* IAX */
56 #define IDXD_OP_FLAG_RD_SRC2_AECS	0x010000
57 #define IDXD_OP_FLAG_RD_SRC2_2ND	0x020000
58 #define IDXD_OP_FLAG_WR_SRC2_AECS_COMP	0x040000
59 #define IDXD_OP_FLAG_WR_SRC2_AECS_OVFL	0x080000
60 #define IDXD_OP_FLAG_SRC2_STS		0x100000
61 #define IDXD_OP_FLAG_CRC_RFC3720	0x200000
62 
63 /* Opcode */
64 enum dsa_opcode {
65 	DSA_OPCODE_NOOP = 0,
66 	DSA_OPCODE_BATCH,
67 	DSA_OPCODE_DRAIN,
68 	DSA_OPCODE_MEMMOVE,
69 	DSA_OPCODE_MEMFILL,
70 	DSA_OPCODE_COMPARE,
71 	DSA_OPCODE_COMPVAL,
72 	DSA_OPCODE_CR_DELTA,
73 	DSA_OPCODE_AP_DELTA,
74 	DSA_OPCODE_DUALCAST,
75 	DSA_OPCODE_CRCGEN = 0x10,
76 	DSA_OPCODE_COPY_CRC,
77 	DSA_OPCODE_DIF_CHECK,
78 	DSA_OPCODE_DIF_INS,
79 	DSA_OPCODE_DIF_STRP,
80 	DSA_OPCODE_DIF_UPDT,
81 	DSA_OPCODE_CFLUSH = 0x20,
82 };
83 
84 enum iax_opcode {
85 	IAX_OPCODE_NOOP = 0,
86 	IAX_OPCODE_DRAIN = 2,
87 	IAX_OPCODE_MEMMOVE,
88 	IAX_OPCODE_DECOMPRESS = 0x42,
89 	IAX_OPCODE_COMPRESS,
90 	IAX_OPCODE_CRC64,
91 	IAX_OPCODE_ZERO_DECOMP_32 = 0x48,
92 	IAX_OPCODE_ZERO_DECOMP_16,
93 	IAX_OPCODE_ZERO_COMP_32 = 0x4c,
94 	IAX_OPCODE_ZERO_COMP_16,
95 	IAX_OPCODE_SCAN = 0x50,
96 	IAX_OPCODE_SET_MEMBER,
97 	IAX_OPCODE_EXTRACT,
98 	IAX_OPCODE_SELECT,
99 	IAX_OPCODE_RLE_BURST,
100 	IAX_OPCODE_FIND_UNIQUE,
101 	IAX_OPCODE_EXPAND,
102 };
103 
104 /* Completion record status */
105 enum dsa_completion_status {
106 	DSA_COMP_NONE = 0,
107 	DSA_COMP_SUCCESS,
108 	DSA_COMP_SUCCESS_PRED,
109 	DSA_COMP_PAGE_FAULT_NOBOF,
110 	DSA_COMP_PAGE_FAULT_IR,
111 	DSA_COMP_BATCH_FAIL,
112 	DSA_COMP_BATCH_PAGE_FAULT,
113 	DSA_COMP_DR_OFFSET_NOINC,
114 	DSA_COMP_DR_OFFSET_ERANGE,
115 	DSA_COMP_DIF_ERR,
116 	DSA_COMP_BAD_OPCODE = 0x10,
117 	DSA_COMP_INVALID_FLAGS,
118 	DSA_COMP_NOZERO_RESERVE,
119 	DSA_COMP_XFER_ERANGE,
120 	DSA_COMP_DESC_CNT_ERANGE,
121 	DSA_COMP_DR_ERANGE,
122 	DSA_COMP_OVERLAP_BUFFERS,
123 	DSA_COMP_DCAST_ERR,
124 	DSA_COMP_DESCLIST_ALIGN,
125 	DSA_COMP_INT_HANDLE_INVAL,
126 	DSA_COMP_CRA_XLAT,
127 	DSA_COMP_CRA_ALIGN,
128 	DSA_COMP_ADDR_ALIGN,
129 	DSA_COMP_PRIV_BAD,
130 	DSA_COMP_TRAFFIC_CLASS_CONF,
131 	DSA_COMP_PFAULT_RDBA,
132 	DSA_COMP_HW_ERR1,
133 	DSA_COMP_HW_ERR_DRB,
134 	DSA_COMP_TRANSLATION_FAIL,
135 };
136 
137 enum iax_completion_status {
138 	IAX_COMP_NONE = 0,
139 	IAX_COMP_SUCCESS,
140 	IAX_COMP_PAGE_FAULT_IR = 0x04,
141 	IAX_COMP_ANALYTICS_ERROR = 0x0a,
142 	IAX_COMP_OUTBUF_OVERFLOW,
143 	IAX_COMP_BAD_OPCODE = 0x10,
144 	IAX_COMP_INVALID_FLAGS,
145 	IAX_COMP_NOZERO_RESERVE,
146 	IAX_COMP_INVALID_SIZE,
147 	IAX_COMP_OVERLAP_BUFFERS = 0x16,
148 	IAX_COMP_INT_HANDLE_INVAL = 0x19,
149 	IAX_COMP_CRA_XLAT,
150 	IAX_COMP_CRA_ALIGN,
151 	IAX_COMP_ADDR_ALIGN,
152 	IAX_COMP_PRIV_BAD,
153 	IAX_COMP_TRAFFIC_CLASS_CONF,
154 	IAX_COMP_PFAULT_RDBA,
155 	IAX_COMP_HW_ERR1,
156 	IAX_COMP_HW_ERR_DRB,
157 	IAX_COMP_TRANSLATION_FAIL,
158 	IAX_COMP_PRS_TIMEOUT,
159 	IAX_COMP_WATCHDOG,
160 	IAX_COMP_INVALID_COMP_FLAG = 0x30,
161 	IAX_COMP_INVALID_FILTER_FLAG,
162 	IAX_COMP_INVALID_INPUT_SIZE,
163 	IAX_COMP_INVALID_NUM_ELEMS,
164 	IAX_COMP_INVALID_SRC1_WIDTH,
165 	IAX_COMP_INVALID_INVERT_OUT,
166 };
167 
168 #define DSA_COMP_STATUS_MASK		0x7f
169 #define DSA_COMP_STATUS_WRITE		0x80
170 
171 struct dsa_hw_desc {
172 	uint32_t	pasid:20;
173 	uint32_t	rsvd:11;
174 	uint32_t	priv:1;
175 	uint32_t	flags:24;
176 	uint32_t	opcode:8;
177 	uint64_t	completion_addr;
178 	union {
179 		uint64_t	src_addr;
180 		uint64_t	rdback_addr;
181 		uint64_t	pattern;
182 		uint64_t	desc_list_addr;
183 	};
184 	union {
185 		uint64_t	dst_addr;
186 		uint64_t	rdback_addr2;
187 		uint64_t	src2_addr;
188 		uint64_t	comp_pattern;
189 	};
190 	union {
191 		uint32_t	xfer_size;
192 		uint32_t	desc_count;
193 	};
194 	uint16_t	int_handle;
195 	uint16_t	rsvd1;
196 	union {
197 		uint8_t		expected_res;
198 		/* create delta record */
199 		struct {
200 			uint64_t	delta_addr;
201 			uint32_t	max_delta_size;
202 			uint32_t 	delt_rsvd;
203 			uint8_t 	expected_res_mask;
204 		};
205 		uint32_t	delta_rec_size;
206 		uint64_t	dest2;
207 		/* CRC */
208 		struct {
209 			uint32_t	crc_seed;
210 			uint32_t	crc_rsvd;
211 			uint64_t	seed_addr;
212 		};
213 		/* DIF check or strip */
214 		struct {
215 			uint8_t		src_dif_flags;
216 			uint8_t		dif_chk_res;
217 			uint8_t		dif_chk_flags;
218 			uint8_t		dif_chk_res2[5];
219 			uint32_t	chk_ref_tag_seed;
220 			uint16_t	chk_app_tag_mask;
221 			uint16_t	chk_app_tag_seed;
222 		};
223 		/* DIF insert */
224 		struct {
225 			uint8_t		dif_ins_res;
226 			uint8_t		dest_dif_flag;
227 			uint8_t		dif_ins_flags;
228 			uint8_t		dif_ins_res2[13];
229 			uint32_t	ins_ref_tag_seed;
230 			uint16_t	ins_app_tag_mask;
231 			uint16_t	ins_app_tag_seed;
232 		};
233 		/* DIF update */
234 		struct {
235 			uint8_t		src_upd_flags;
236 			uint8_t		upd_dest_flags;
237 			uint8_t		dif_upd_flags;
238 			uint8_t		dif_upd_res[5];
239 			uint32_t	src_ref_tag_seed;
240 			uint16_t	src_app_tag_mask;
241 			uint16_t	src_app_tag_seed;
242 			uint32_t	dest_ref_tag_seed;
243 			uint16_t	dest_app_tag_mask;
244 			uint16_t	dest_app_tag_seed;
245 		};
246 
247 		uint8_t		op_specific[24];
248 	};
249 } __attribute__((packed));
250 
251 struct iax_hw_desc {
252 	uint32_t        pasid:20;
253 	uint32_t        rsvd:11;
254 	uint32_t        priv:1;
255 	uint32_t        flags:24;
256 	uint32_t        opcode:8;
257 	uint64_t        completion_addr;
258 	uint64_t        src1_addr;
259 	uint64_t        dst_addr;
260 	uint32_t        src1_size;
261 	uint16_t        int_handle;
262 	union {
263 		uint16_t        compr_flags;
264 		uint16_t        decompr_flags;
265 	};
266 	uint64_t        src2_addr;
267 	uint32_t        max_dst_size;
268 	uint32_t        src2_size;
269 	uint32_t	filter_flags;
270 	uint32_t	num_inputs;
271 } __attribute__((packed));
272 
273 struct dsa_raw_desc {
274 	uint64_t	field[8];
275 } __attribute__((packed));
276 
277 /*
278  * The status field will be modified by hardware, therefore it should be
279  * volatile and prevent the compiler from optimize the read.
280  */
281 struct dsa_completion_record {
282 	volatile uint8_t	status;
283 	union {
284 		uint8_t		result;
285 		uint8_t		dif_status;
286 	};
287 	uint16_t		rsvd;
288 	uint32_t		bytes_completed;
289 	uint64_t		fault_addr;
290 	union {
291 		/* common record */
292 		struct {
293 			uint32_t	invalid_flags:24;
294 			uint32_t	rsvd2:8;
295 		};
296 
297 		uint32_t	delta_rec_size;
298 		uint32_t	crc_val;
299 
300 		/* DIF check & strip */
301 		struct {
302 			uint32_t	dif_chk_ref_tag;
303 			uint16_t	dif_chk_app_tag_mask;
304 			uint16_t	dif_chk_app_tag;
305 		};
306 
307 		/* DIF insert */
308 		struct {
309 			uint64_t	dif_ins_res;
310 			uint32_t	dif_ins_ref_tag;
311 			uint16_t	dif_ins_app_tag_mask;
312 			uint16_t	dif_ins_app_tag;
313 		};
314 
315 		/* DIF update */
316 		struct {
317 			uint32_t	dif_upd_src_ref_tag;
318 			uint16_t	dif_upd_src_app_tag_mask;
319 			uint16_t	dif_upd_src_app_tag;
320 			uint32_t	dif_upd_dest_ref_tag;
321 			uint16_t	dif_upd_dest_app_tag_mask;
322 			uint16_t	dif_upd_dest_app_tag;
323 		};
324 
325 		uint8_t		op_specific[16];
326 	};
327 } __attribute__((packed));
328 
329 struct dsa_raw_completion_record {
330 	uint64_t	field[4];
331 } __attribute__((packed));
332 
333 struct iax_completion_record {
334 	volatile uint8_t        status;
335 	uint8_t                 error_code;
336 	uint16_t                rsvd;
337 	uint32_t                bytes_completed;
338 	uint64_t                fault_addr;
339 	uint32_t                invalid_flags;
340 	uint32_t                rsvd2;
341 	uint32_t                output_size;
342 	uint8_t                 output_bits;
343 	uint8_t                 rsvd3;
344 	uint16_t                xor_csum;
345 	uint32_t                crc;
346 	uint32_t                min;
347 	uint32_t                max;
348 	uint32_t                sum;
349 	uint64_t                rsvd4[2];
350 } __attribute__((packed));
351 
352 struct iax_raw_completion_record {
353 	uint64_t	field[8];
354 } __attribute__((packed));
355 
356 #endif
357