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  	IDXD_SCMD_DEV_EVL_ERR = 0x80120000,
34  };
35  
36  #define IDXD_SCMD_SOFTERR_MASK	0x80000000
37  #define IDXD_SCMD_SOFTERR_SHIFT	16
38  
39  /* Descriptor flags */
40  #define IDXD_OP_FLAG_FENCE	0x0001
41  #define IDXD_OP_FLAG_BOF	0x0002
42  #define IDXD_OP_FLAG_CRAV	0x0004
43  #define IDXD_OP_FLAG_RCR	0x0008
44  #define IDXD_OP_FLAG_RCI	0x0010
45  #define IDXD_OP_FLAG_CRSTS	0x0020
46  #define IDXD_OP_FLAG_CR		0x0080
47  #define IDXD_OP_FLAG_CC		0x0100
48  #define IDXD_OP_FLAG_ADDR1_TCS	0x0200
49  #define IDXD_OP_FLAG_ADDR2_TCS	0x0400
50  #define IDXD_OP_FLAG_ADDR3_TCS	0x0800
51  #define IDXD_OP_FLAG_CR_TCS	0x1000
52  #define IDXD_OP_FLAG_STORD	0x2000
53  #define IDXD_OP_FLAG_DRDBK	0x4000
54  #define IDXD_OP_FLAG_DSTS	0x8000
55  
56  /* IAX */
57  #define IDXD_OP_FLAG_RD_SRC2_AECS	0x010000
58  #define IDXD_OP_FLAG_RD_SRC2_2ND	0x020000
59  #define IDXD_OP_FLAG_WR_SRC2_AECS_COMP	0x040000
60  #define IDXD_OP_FLAG_WR_SRC2_AECS_OVFL	0x080000
61  #define IDXD_OP_FLAG_SRC2_STS		0x100000
62  #define IDXD_OP_FLAG_CRC_RFC3720	0x200000
63  
64  /* Opcode */
65  enum dsa_opcode {
66  	DSA_OPCODE_NOOP = 0,
67  	DSA_OPCODE_BATCH,
68  	DSA_OPCODE_DRAIN,
69  	DSA_OPCODE_MEMMOVE,
70  	DSA_OPCODE_MEMFILL,
71  	DSA_OPCODE_COMPARE,
72  	DSA_OPCODE_COMPVAL,
73  	DSA_OPCODE_CR_DELTA,
74  	DSA_OPCODE_AP_DELTA,
75  	DSA_OPCODE_DUALCAST,
76  	DSA_OPCODE_TRANSL_FETCH,
77  	DSA_OPCODE_CRCGEN = 0x10,
78  	DSA_OPCODE_COPY_CRC,
79  	DSA_OPCODE_DIF_CHECK,
80  	DSA_OPCODE_DIF_INS,
81  	DSA_OPCODE_DIF_STRP,
82  	DSA_OPCODE_DIF_UPDT,
83  	DSA_OPCODE_DIX_GEN = 0x17,
84  	DSA_OPCODE_CFLUSH = 0x20,
85  };
86  
87  enum iax_opcode {
88  	IAX_OPCODE_NOOP = 0,
89  	IAX_OPCODE_DRAIN = 2,
90  	IAX_OPCODE_MEMMOVE,
91  	IAX_OPCODE_DECOMPRESS = 0x42,
92  	IAX_OPCODE_COMPRESS,
93  	IAX_OPCODE_CRC64,
94  	IAX_OPCODE_ZERO_DECOMP_32 = 0x48,
95  	IAX_OPCODE_ZERO_DECOMP_16,
96  	IAX_OPCODE_ZERO_COMP_32 = 0x4c,
97  	IAX_OPCODE_ZERO_COMP_16,
98  	IAX_OPCODE_SCAN = 0x50,
99  	IAX_OPCODE_SET_MEMBER,
100  	IAX_OPCODE_EXTRACT,
101  	IAX_OPCODE_SELECT,
102  	IAX_OPCODE_RLE_BURST,
103  	IAX_OPCODE_FIND_UNIQUE,
104  	IAX_OPCODE_EXPAND,
105  };
106  
107  /* Completion record status */
108  enum dsa_completion_status {
109  	DSA_COMP_NONE = 0,
110  	DSA_COMP_SUCCESS,
111  	DSA_COMP_SUCCESS_PRED,
112  	DSA_COMP_PAGE_FAULT_NOBOF,
113  	DSA_COMP_PAGE_FAULT_IR,
114  	DSA_COMP_BATCH_FAIL,
115  	DSA_COMP_BATCH_PAGE_FAULT,
116  	DSA_COMP_DR_OFFSET_NOINC,
117  	DSA_COMP_DR_OFFSET_ERANGE,
118  	DSA_COMP_DIF_ERR,
119  	DSA_COMP_BAD_OPCODE = 0x10,
120  	DSA_COMP_INVALID_FLAGS,
121  	DSA_COMP_NOZERO_RESERVE,
122  	DSA_COMP_XFER_ERANGE,
123  	DSA_COMP_DESC_CNT_ERANGE,
124  	DSA_COMP_DR_ERANGE,
125  	DSA_COMP_OVERLAP_BUFFERS,
126  	DSA_COMP_DCAST_ERR,
127  	DSA_COMP_DESCLIST_ALIGN,
128  	DSA_COMP_INT_HANDLE_INVAL,
129  	DSA_COMP_CRA_XLAT,
130  	DSA_COMP_CRA_ALIGN,
131  	DSA_COMP_ADDR_ALIGN,
132  	DSA_COMP_PRIV_BAD,
133  	DSA_COMP_TRAFFIC_CLASS_CONF,
134  	DSA_COMP_PFAULT_RDBA,
135  	DSA_COMP_HW_ERR1,
136  	DSA_COMP_HW_ERR_DRB,
137  	DSA_COMP_TRANSLATION_FAIL,
138  	DSA_COMP_DRAIN_EVL = 0x26,
139  	DSA_COMP_BATCH_EVL_ERR,
140  };
141  
142  enum iax_completion_status {
143  	IAX_COMP_NONE = 0,
144  	IAX_COMP_SUCCESS,
145  	IAX_COMP_PAGE_FAULT_IR = 0x04,
146  	IAX_COMP_ANALYTICS_ERROR = 0x0a,
147  	IAX_COMP_OUTBUF_OVERFLOW,
148  	IAX_COMP_BAD_OPCODE = 0x10,
149  	IAX_COMP_INVALID_FLAGS,
150  	IAX_COMP_NOZERO_RESERVE,
151  	IAX_COMP_INVALID_SIZE,
152  	IAX_COMP_OVERLAP_BUFFERS = 0x16,
153  	IAX_COMP_INT_HANDLE_INVAL = 0x19,
154  	IAX_COMP_CRA_XLAT,
155  	IAX_COMP_CRA_ALIGN,
156  	IAX_COMP_ADDR_ALIGN,
157  	IAX_COMP_PRIV_BAD,
158  	IAX_COMP_TRAFFIC_CLASS_CONF,
159  	IAX_COMP_PFAULT_RDBA,
160  	IAX_COMP_HW_ERR1,
161  	IAX_COMP_HW_ERR_DRB,
162  	IAX_COMP_TRANSLATION_FAIL,
163  	IAX_COMP_PRS_TIMEOUT,
164  	IAX_COMP_WATCHDOG,
165  	IAX_COMP_INVALID_COMP_FLAG = 0x30,
166  	IAX_COMP_INVALID_FILTER_FLAG,
167  	IAX_COMP_INVALID_INPUT_SIZE,
168  	IAX_COMP_INVALID_NUM_ELEMS,
169  	IAX_COMP_INVALID_SRC1_WIDTH,
170  	IAX_COMP_INVALID_INVERT_OUT,
171  };
172  
173  #define DSA_COMP_STATUS_MASK		0x7f
174  #define DSA_COMP_STATUS_WRITE		0x80
175  #define DSA_COMP_STATUS(status)		((status) & DSA_COMP_STATUS_MASK)
176  
177  struct dsa_hw_desc {
178  	uint32_t	pasid:20;
179  	uint32_t	rsvd:11;
180  	uint32_t	priv:1;
181  	uint32_t	flags:24;
182  	uint32_t	opcode:8;
183  	uint64_t	completion_addr;
184  	union {
185  		uint64_t	src_addr;
186  		uint64_t	rdback_addr;
187  		uint64_t	pattern;
188  		uint64_t	desc_list_addr;
189  		uint64_t	pattern_lower;
190  		uint64_t	transl_fetch_addr;
191  	};
192  	union {
193  		uint64_t	dst_addr;
194  		uint64_t	rdback_addr2;
195  		uint64_t	src2_addr;
196  		uint64_t	comp_pattern;
197  	};
198  	union {
199  		uint32_t	xfer_size;
200  		uint32_t	desc_count;
201  		uint32_t	region_size;
202  	};
203  	uint16_t	int_handle;
204  	uint16_t	rsvd1;
205  	union {
206  		uint8_t		expected_res;
207  		/* create delta record */
208  		struct {
209  			uint64_t	delta_addr;
210  			uint32_t	max_delta_size;
211  			uint32_t 	delt_rsvd;
212  			uint8_t 	expected_res_mask;
213  		};
214  		uint32_t	delta_rec_size;
215  		uint64_t	dest2;
216  		/* CRC */
217  		struct {
218  			uint32_t	crc_seed;
219  			uint32_t	crc_rsvd;
220  			uint64_t	seed_addr;
221  		};
222  		/* DIF check or strip */
223  		struct {
224  			uint8_t		src_dif_flags;
225  			uint8_t		dif_chk_res;
226  			uint8_t		dif_chk_flags;
227  			uint8_t		dif_chk_res2[5];
228  			uint32_t	chk_ref_tag_seed;
229  			uint16_t	chk_app_tag_mask;
230  			uint16_t	chk_app_tag_seed;
231  		};
232  		/* DIF insert */
233  		struct {
234  			uint8_t		dif_ins_res;
235  			uint8_t		dest_dif_flag;
236  			uint8_t		dif_ins_flags;
237  			uint8_t		dif_ins_res2[13];
238  			uint32_t	ins_ref_tag_seed;
239  			uint16_t	ins_app_tag_mask;
240  			uint16_t	ins_app_tag_seed;
241  		};
242  		/* DIF update */
243  		struct {
244  			uint8_t		src_upd_flags;
245  			uint8_t		upd_dest_flags;
246  			uint8_t		dif_upd_flags;
247  			uint8_t		dif_upd_res[5];
248  			uint32_t	src_ref_tag_seed;
249  			uint16_t	src_app_tag_mask;
250  			uint16_t	src_app_tag_seed;
251  			uint32_t	dest_ref_tag_seed;
252  			uint16_t	dest_app_tag_mask;
253  			uint16_t	dest_app_tag_seed;
254  		};
255  
256  		/* Fill */
257  		uint64_t	pattern_upper;
258  
259  		/* Translation fetch */
260  		struct {
261  			uint64_t	transl_fetch_res;
262  			uint32_t	region_stride;
263  		};
264  
265  		/* DIX generate */
266  		struct {
267  			uint8_t		dix_gen_res;
268  			uint8_t		dest_dif_flags;
269  			uint8_t		dif_flags;
270  			uint8_t		dix_gen_res2[13];
271  			uint32_t	ref_tag_seed;
272  			uint16_t	app_tag_mask;
273  			uint16_t	app_tag_seed;
274  		};
275  
276  		uint8_t		op_specific[24];
277  	};
278  } __attribute__((packed));
279  
280  struct iax_hw_desc {
281  	uint32_t        pasid:20;
282  	uint32_t        rsvd:11;
283  	uint32_t        priv:1;
284  	uint32_t        flags:24;
285  	uint32_t        opcode:8;
286  	uint64_t        completion_addr;
287  	uint64_t        src1_addr;
288  	uint64_t        dst_addr;
289  	uint32_t        src1_size;
290  	uint16_t        int_handle;
291  	union {
292  		uint16_t        compr_flags;
293  		uint16_t        decompr_flags;
294  	};
295  	uint64_t        src2_addr;
296  	uint32_t        max_dst_size;
297  	uint32_t        src2_size;
298  	uint32_t	filter_flags;
299  	uint32_t	num_inputs;
300  } __attribute__((packed));
301  
302  struct dsa_raw_desc {
303  	uint64_t	field[8];
304  } __attribute__((packed));
305  
306  /*
307   * The status field will be modified by hardware, therefore it should be
308   * volatile and prevent the compiler from optimize the read.
309   */
310  struct dsa_completion_record {
311  	volatile uint8_t	status;
312  	union {
313  		uint8_t		result;
314  		uint8_t		dif_status;
315  	};
316  	uint8_t			fault_info;
317  	uint8_t			rsvd;
318  	union {
319  		uint32_t		bytes_completed;
320  		uint32_t		descs_completed;
321  	};
322  	uint64_t		fault_addr;
323  	union {
324  		/* common record */
325  		struct {
326  			uint32_t	invalid_flags:24;
327  			uint32_t	rsvd2:8;
328  		};
329  
330  		uint32_t	delta_rec_size;
331  		uint64_t	crc_val;
332  
333  		/* DIF check & strip */
334  		struct {
335  			uint32_t	dif_chk_ref_tag;
336  			uint16_t	dif_chk_app_tag_mask;
337  			uint16_t	dif_chk_app_tag;
338  		};
339  
340  		/* DIF insert */
341  		struct {
342  			uint64_t	dif_ins_res;
343  			uint32_t	dif_ins_ref_tag;
344  			uint16_t	dif_ins_app_tag_mask;
345  			uint16_t	dif_ins_app_tag;
346  		};
347  
348  		/* DIF update */
349  		struct {
350  			uint32_t	dif_upd_src_ref_tag;
351  			uint16_t	dif_upd_src_app_tag_mask;
352  			uint16_t	dif_upd_src_app_tag;
353  			uint32_t	dif_upd_dest_ref_tag;
354  			uint16_t	dif_upd_dest_app_tag_mask;
355  			uint16_t	dif_upd_dest_app_tag;
356  		};
357  
358  		/* DIX generate */
359  		struct {
360  			uint64_t	dix_gen_res;
361  			uint32_t	dix_ref_tag;
362  			uint16_t	dix_app_tag_mask;
363  			uint16_t	dix_app_tag;
364  		};
365  
366  		uint8_t		op_specific[16];
367  	};
368  } __attribute__((packed));
369  
370  struct dsa_raw_completion_record {
371  	uint64_t	field[4];
372  } __attribute__((packed));
373  
374  struct iax_completion_record {
375  	volatile uint8_t        status;
376  	uint8_t                 error_code;
377  	uint8_t			fault_info;
378  	uint8_t			rsvd;
379  	uint32_t                bytes_completed;
380  	uint64_t                fault_addr;
381  	uint32_t                invalid_flags;
382  	uint32_t                rsvd2;
383  	uint32_t                output_size;
384  	uint8_t                 output_bits;
385  	uint8_t                 rsvd3;
386  	uint16_t                xor_csum;
387  	uint32_t                crc;
388  	uint32_t                min;
389  	uint32_t                max;
390  	uint32_t                sum;
391  	uint64_t                rsvd4[2];
392  } __attribute__((packed));
393  
394  struct iax_raw_completion_record {
395  	uint64_t	field[8];
396  } __attribute__((packed));
397  
398  #endif
399