uapi/linux/idxd.h

   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 };
  33
  34 #define IDXD_SCMD_SOFTERR_MASK  0x80000000
  35 #define IDXD_SCMD_SOFTERR_SHIFT 16
  36
  37 /* Descriptor flags */
  38 #define IDXD_OP_FLAG_FENCE      0x0001
  39 #define IDXD_OP_FLAG_BOF        0x0002
  40 #define IDXD_OP_FLAG_CRAV       0x0004
  41 #define IDXD_OP_FLAG_RCR        0x0008
  42 #define IDXD_OP_FLAG_RCI        0x0010
  43 #define IDXD_OP_FLAG_CRSTS      0x0020
  44 #define IDXD_OP_FLAG_CR         0x0080
  45 #define IDXD_OP_FLAG_CC         0x0100
  46 #define IDXD_OP_FLAG_ADDR1_TCS  0x0200
  47 #define IDXD_OP_FLAG_ADDR2_TCS  0x0400
  48 #define IDXD_OP_FLAG_ADDR3_TCS  0x0800
  49 #define IDXD_OP_FLAG_CR_TCS     0x1000
  50 #define IDXD_OP_FLAG_STORD      0x2000
  51 #define IDXD_OP_FLAG_DRDBK      0x4000
  52 #define IDXD_OP_FLAG_DSTS       0x8000
  53
  54 /* IAX */
  55 #define IDXD_OP_FLAG_RD_SRC2_AECS       0x010000
  56 #define IDXD_OP_FLAG_RD_SRC2_2ND        0x020000
  57 #define IDXD_OP_FLAG_WR_SRC2_AECS_COMP  0x040000
  58 #define IDXD_OP_FLAG_WR_SRC2_AECS_OVFL  0x080000
  59 #define IDXD_OP_FLAG_SRC2_STS           0x100000
  60 #define IDXD_OP_FLAG_CRC_RFC3720        0x200000
  61
  62 /* Opcode */
  63 enum dsa_opcode {
  64         DSA_OPCODE_NOOP = 0,
  65         DSA_OPCODE_BATCH,
  66         DSA_OPCODE_DRAIN,
  67         DSA_OPCODE_MEMMOVE,
  68         DSA_OPCODE_MEMFILL,
  69         DSA_OPCODE_COMPARE,
  70         DSA_OPCODE_COMPVAL,
  71         DSA_OPCODE_CR_DELTA,
  72         DSA_OPCODE_AP_DELTA,
  73         DSA_OPCODE_DUALCAST,
  74         DSA_OPCODE_CRCGEN = 0x10,
  75         DSA_OPCODE_COPY_CRC,
  76         DSA_OPCODE_DIF_CHECK,
  77         DSA_OPCODE_DIF_INS,
  78         DSA_OPCODE_DIF_STRP,
  79         DSA_OPCODE_DIF_UPDT,
  80         DSA_OPCODE_CFLUSH = 0x20,
  81 };
  82
  83 enum iax_opcode {
  84         IAX_OPCODE_NOOP = 0,
  85         IAX_OPCODE_DRAIN = 2,
  86         IAX_OPCODE_MEMMOVE,
  87         IAX_OPCODE_DECOMPRESS = 0x42,
  88         IAX_OPCODE_COMPRESS,
  89         IAX_OPCODE_CRC64,
  90         IAX_OPCODE_ZERO_DECOMP_32 = 0x48,
  91         IAX_OPCODE_ZERO_DECOMP_16,
  92         IAX_OPCODE_DECOMP_32 = 0x4c,
  93         IAX_OPCODE_DECOMP_16,
  94         IAX_OPCODE_SCAN = 0x50,
  95         IAX_OPCODE_SET_MEMBER,
  96         IAX_OPCODE_EXTRACT,
  97         IAX_OPCODE_SELECT,
  98         IAX_OPCODE_RLE_BURST,
  99         IAX_OPCDE_FIND_UNIQUE,
 100         IAX_OPCODE_EXPAND,
 101 };
 102
 103 /* Completion record status */
 104 enum dsa_completion_status {
 105         DSA_COMP_NONE = 0,
 106         DSA_COMP_SUCCESS,
 107         DSA_COMP_SUCCESS_PRED,
 108         DSA_COMP_PAGE_FAULT_NOBOF,
 109         DSA_COMP_PAGE_FAULT_IR,
 110         DSA_COMP_BATCH_FAIL,
 111         DSA_COMP_BATCH_PAGE_FAULT,
 112         DSA_COMP_DR_OFFSET_NOINC,
 113         DSA_COMP_DR_OFFSET_ERANGE,
 114         DSA_COMP_DIF_ERR,
 115         DSA_COMP_BAD_OPCODE = 0x10,
 116         DSA_COMP_INVALID_FLAGS,
 117         DSA_COMP_NOZERO_RESERVE,
 118         DSA_COMP_XFER_ERANGE,
 119         DSA_COMP_DESC_CNT_ERANGE,
 120         DSA_COMP_DR_ERANGE,
 121         DSA_COMP_OVERLAP_BUFFERS,
 122         DSA_COMP_DCAST_ERR,
 123         DSA_COMP_DESCLIST_ALIGN,
 124         DSA_COMP_INT_HANDLE_INVAL,
 125         DSA_COMP_CRA_XLAT,
 126         DSA_COMP_CRA_ALIGN,
 127         DSA_COMP_ADDR_ALIGN,
 128         DSA_COMP_PRIV_BAD,
 129         DSA_COMP_TRAFFIC_CLASS_CONF,
 130         DSA_COMP_PFAULT_RDBA,
 131         DSA_COMP_HW_ERR1,
 132         DSA_COMP_HW_ERR_DRB,
 133         DSA_COMP_TRANSLATION_FAIL,
 134 };
 135
 136 enum iax_completion_status {
 137         IAX_COMP_NONE = 0,
 138         IAX_COMP_SUCCESS,
 139         IAX_COMP_PAGE_FAULT_IR = 0x04,
 140         IAX_COMP_ANALYTICS_ERROR = 0x0a,
 141         IAX_COMP_OUTBUF_OVERFLOW,
 142         IAX_COMP_BAD_OPCODE = 0x10,
 143         IAX_COMP_INVALID_FLAGS,
 144         IAX_COMP_NOZERO_RESERVE,
 145         IAX_COMP_INVALID_SIZE,
 146         IAX_COMP_OVERLAP_BUFFERS = 0x16,
 147         IAX_COMP_INT_HANDLE_INVAL = 0x19,
 148         IAX_COMP_CRA_XLAT,
 149         IAX_COMP_CRA_ALIGN,
 150         IAX_COMP_ADDR_ALIGN,
 151         IAX_COMP_PRIV_BAD,
 152         IAX_COMP_TRAFFIC_CLASS_CONF,
 153         IAX_COMP_PFAULT_RDBA,
 154         IAX_COMP_HW_ERR1,
 155         IAX_COMP_HW_ERR_DRB,
 156         IAX_COMP_TRANSLATION_FAIL,
 157         IAX_COMP_PRS_TIMEOUT,
 158         IAX_COMP_WATCHDOG,
 159         IAX_COMP_INVALID_COMP_FLAG = 0x30,
 160         IAX_COMP_INVALID_FILTER_FLAG,
 161         IAX_COMP_INVALID_INPUT_SIZE,
 162         IAX_COMP_INVALID_NUM_ELEMS,
 163         IAX_COMP_INVALID_SRC1_WIDTH,
 164         IAX_COMP_INVALID_INVERT_OUT,
 165 };
 166
 167 #define DSA_COMP_STATUS_MASK            0x7f
 168 #define DSA_COMP_STATUS_WRITE           0x80
 169
 170 struct dsa_hw_desc {
 171         uint32_t        pasid:20;
 172         uint32_t        rsvd:11;
 173         uint32_t        priv:1;
 174         uint32_t        flags:24;
 175         uint32_t        opcode:8;
 176         uint64_t        completion_addr;
 177         union {
 178                 uint64_t        src_addr;
 179                 uint64_t        rdback_addr;
 180                 uint64_t        pattern;
 181                 uint64_t        desc_list_addr;
 182         };
 183         union {
 184                 uint64_t        dst_addr;
 185                 uint64_t        rdback_addr2;
 186                 uint64_t        src2_addr;
 187                 uint64_t        comp_pattern;
 188         };
 189         union {
 190                 uint32_t        xfer_size;
 191                 uint32_t        desc_count;
 192         };
 193         uint16_t        int_handle;
 194         uint16_t        rsvd1;
 195         union {
 196                 uint8_t         expected_res;
 197                 /* create delta record */
 198                 struct {
 199                         uint64_t        delta_addr;
 200                         uint32_t        max_delta_size;
 201                         uint32_t        delt_rsvd;
 202                         uint8_t         expected_res_mask;
 203                 };
 204                 uint32_t        delta_rec_size;
 205                 uint64_t        dest2;
 206                 /* CRC */
 207                 struct {
 208                         uint32_t        crc_seed;
 209                         uint32_t        crc_rsvd;
 210                         uint64_t        seed_addr;
 211                 };
 212                 /* DIF check or strip */
 213                 struct {
 214                         uint8_t         src_dif_flags;
 215                         uint8_t         dif_chk_res;
 216                         uint8_t         dif_chk_flags;
 217                         uint8_t         dif_chk_res2[5];
 218                         uint32_t        chk_ref_tag_seed;
 219                         uint16_t        chk_app_tag_mask;
 220                         uint16_t        chk_app_tag_seed;
 221                 };
 222                 /* DIF insert */
 223                 struct {
 224                         uint8_t         dif_ins_res;
 225                         uint8_t         dest_dif_flag;
 226                         uint8_t         dif_ins_flags;
 227                         uint8_t         dif_ins_res2[13];
 228                         uint32_t        ins_ref_tag_seed;
 229                         uint16_t        ins_app_tag_mask;
 230                         uint16_t        ins_app_tag_seed;
 231                 };
 232                 /* DIF update */
 233                 struct {
 234                         uint8_t         src_upd_flags;
 235                         uint8_t         upd_dest_flags;
 236                         uint8_t         dif_upd_flags;
 237                         uint8_t         dif_upd_res[5];
 238                         uint32_t        src_ref_tag_seed;
 239                         uint16_t        src_app_tag_mask;
 240                         uint16_t        src_app_tag_seed;
 241                         uint32_t        dest_ref_tag_seed;
 242                         uint16_t        dest_app_tag_mask;
 243                         uint16_t        dest_app_tag_seed;
 244                 };
 245
 246                 uint8_t         op_specific[24];
 247         };
 248 } __attribute__((packed));
 249
 250 struct iax_hw_desc {
 251         uint32_t        pasid:20;
 252         uint32_t        rsvd:11;
 253         uint32_t        priv:1;
 254         uint32_t        flags:24;
 255         uint32_t        opcode:8;
 256         uint64_t        completion_addr;
 257         uint64_t        src1_addr;
 258         uint64_t        dst_addr;
 259         uint32_t        src1_size;
 260         uint16_t        int_handle;
 261         union {
 262                 uint16_t        compr_flags;
 263                 uint16_t        decompr_flags;
 264         };
 265         uint64_t        src2_addr;
 266         uint32_t        max_dst_size;
 267         uint32_t        src2_size;
 268         uint32_t        filter_flags;
 269         uint32_t        num_inputs;
 270 } __attribute__((packed));
 271
 272 struct dsa_raw_desc {
 273         uint64_t        field[8];
 274 } __attribute__((packed));
 275
 276 /*
 277  * The status field will be modified by hardware, therefore it should be
 278  * volatile and prevent the compiler from optimize the read.
 279  */
 280 struct dsa_completion_record {
 281         volatile uint8_t        status;
 282         union {
 283                 uint8_t         result;
 284                 uint8_t         dif_status;
 285         };
 286         uint16_t                rsvd;
 287         uint32_t                bytes_completed;
 288         uint64_t                fault_addr;
 289         union {
 290                 /* common record */
 291                 struct {
 292                         uint32_t        invalid_flags:24;
 293                         uint32_t        rsvd2:8;
 294                 };
 295
 296                 uint32_t        delta_rec_size;
 297                 uint32_t        crc_val;
 298
 299                 /* DIF check & strip */
 300                 struct {
 301                         uint32_t        dif_chk_ref_tag;
 302                         uint16_t        dif_chk_app_tag_mask;
 303                         uint16_t        dif_chk_app_tag;
 304                 };
 305
 306                 /* DIF insert */
 307                 struct {
 308                         uint64_t        dif_ins_res;
 309                         uint32_t        dif_ins_ref_tag;
 310                         uint16_t        dif_ins_app_tag_mask;
 311                         uint16_t        dif_ins_app_tag;
 312                 };
 313
 314                 /* DIF update */
 315                 struct {
 316                         uint32_t        dif_upd_src_ref_tag;
 317                         uint16_t        dif_upd_src_app_tag_mask;
 318                         uint16_t        dif_upd_src_app_tag;
 319                         uint32_t        dif_upd_dest_ref_tag;
 320                         uint16_t        dif_upd_dest_app_tag_mask;
 321                         uint16_t        dif_upd_dest_app_tag;
 322                 };
 323
 324                 uint8_t         op_specific[16];
 325         };
 326 } __attribute__((packed));
 327
 328 struct dsa_raw_completion_record {
 329         uint64_t        field[4];
 330 } __attribute__((packed));
 331
 332 struct iax_completion_record {
 333         volatile uint8_t        status;
 334         uint8_t                 error_code;
 335         uint16_t                rsvd;
 336         uint32_t                bytes_completed;
 337         uint64_t                fault_addr;
 338         uint32_t                invalid_flags;
 339         uint32_t                rsvd2;
 340         uint32_t                output_size;
 341         uint8_t                 output_bits;
 342         uint8_t                 rsvd3;
 343         uint16_t                xor_csum;
 344         uint32_t                crc;
 345         uint32_t                min;
 346         uint32_t                max;
 347         uint32_t                sum;
 348         uint64_t                rsvd4[2];
 349 } __attribute__((packed));
 350
 351 struct iax_raw_completion_record {
 352         uint64_t        field[8];
 353 } __attribute__((packed));
 354
 355 #endif