/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* Copyright(c) 2019 Intel Corporation. All rights rsvd. */ #ifndef _USR_IDXD_H_ #define _USR_IDXD_H_ #include <stdint.h> /* Descriptor flags */ #define IDXD_OP_FLAG_FENCE 0x0001 #define IDXD_OP_FLAG_BOF 0x0002 #define IDXD_OP_FLAG_CRAV 0x0004 #define IDXD_OP_FLAG_RCR 0x0008 #define IDXD_OP_FLAG_RCI 0x0010 #define IDXD_OP_FLAG_CRSTS 0x0020 #define IDXD_OP_FLAG_CR 0x0080 #define IDXD_OP_FLAG_CC 0x0100 #define IDXD_OP_FLAG_ADDR1_TCS 0x0200 #define IDXD_OP_FLAG_ADDR2_TCS 0x0400 #define IDXD_OP_FLAG_ADDR3_TCS 0x0800 #define IDXD_OP_FLAG_CR_TCS 0x1000 #define IDXD_OP_FLAG_STORD 0x2000 #define IDXD_OP_FLAG_DRDBK 0x4000 #define IDXD_OP_FLAG_DSTS 0x8000 /* Opcode */ enum dsa_opcode { DSA_OPCODE_NOOP = 0, DSA_OPCODE_BATCH, DSA_OPCODE_DRAIN, DSA_OPCODE_MEMMOVE, DSA_OPCODE_MEMFILL, DSA_OPCODE_COMPARE, DSA_OPCODE_COMPVAL, DSA_OPCODE_CR_DELTA, DSA_OPCODE_AP_DELTA, DSA_OPCODE_DUALCAST, DSA_OPCODE_CRCGEN = 0x10, DSA_OPCODE_COPY_CRC, DSA_OPCODE_DIF_CHECK, DSA_OPCODE_DIF_INS, DSA_OPCODE_DIF_STRP, DSA_OPCODE_DIF_UPDT, DSA_OPCODE_CFLUSH = 0x20, }; /* Completion record status */ enum dsa_completion_status { DSA_COMP_NONE = 0, DSA_COMP_SUCCESS, DSA_COMP_SUCCESS_PRED, DSA_COMP_PAGE_FAULT_NOBOF, DSA_COMP_PAGE_FAULT_IR, DSA_COMP_BATCH_FAIL, DSA_COMP_BATCH_PAGE_FAULT, DSA_COMP_DR_OFFSET_NOINC, DSA_COMP_DR_OFFSET_ERANGE, DSA_COMP_DIF_ERR, DSA_COMP_BAD_OPCODE = 0x10, DSA_COMP_INVALID_FLAGS, DSA_COMP_NOZERO_RESERVE, DSA_COMP_XFER_ERANGE, DSA_COMP_DESC_CNT_ERANGE, DSA_COMP_DR_ERANGE, DSA_COMP_OVERLAP_BUFFERS, DSA_COMP_DCAST_ERR, DSA_COMP_DESCLIST_ALIGN, DSA_COMP_INT_HANDLE_INVAL, DSA_COMP_CRA_XLAT, DSA_COMP_CRA_ALIGN, DSA_COMP_ADDR_ALIGN, DSA_COMP_PRIV_BAD, DSA_COMP_TRAFFIC_CLASS_CONF, DSA_COMP_PFAULT_RDBA, DSA_COMP_HW_ERR1, DSA_COMP_HW_ERR_DRB, DSA_COMP_TRANSLATION_FAIL, }; #define DSA_COMP_STATUS_MASK 0x7f #define DSA_COMP_STATUS_WRITE 0x80 struct dsa_hw_desc { uint32_t pasid:20; uint32_t rsvd:11; uint32_t priv:1; uint32_t flags:24; uint32_t opcode:8; uint64_t completion_addr; union { uint64_t src_addr; uint64_t rdback_addr; uint64_t pattern; uint64_t desc_list_addr; }; union { uint64_t dst_addr; uint64_t rdback_addr2; uint64_t src2_addr; uint64_t comp_pattern; }; union { uint32_t xfer_size; uint32_t desc_count; }; uint16_t int_handle; uint16_t rsvd1; union { uint8_t expected_res; /* create delta record */ struct { uint64_t delta_addr; uint32_t max_delta_size; uint32_t delt_rsvd; uint8_t expected_res_mask; }; uint32_t delta_rec_size; uint64_t dest2; /* CRC */ struct { uint32_t crc_seed; uint32_t crc_rsvd; uint64_t seed_addr; }; /* DIF check or strip */ struct { uint8_t src_dif_flags; uint8_t dif_chk_res; uint8_t dif_chk_flags; uint8_t dif_chk_res2[5]; uint32_t chk_ref_tag_seed; uint16_t chk_app_tag_mask; uint16_t chk_app_tag_seed; }; /* DIF insert */ struct { uint8_t dif_ins_res; uint8_t dest_dif_flag; uint8_t dif_ins_flags; uint8_t dif_ins_res2[13]; uint32_t ins_ref_tag_seed; uint16_t ins_app_tag_mask; uint16_t ins_app_tag_seed; }; /* DIF update */ struct { uint8_t src_upd_flags; uint8_t upd_dest_flags; uint8_t dif_upd_flags; uint8_t dif_upd_res[5]; uint32_t src_ref_tag_seed; uint16_t src_app_tag_mask; uint16_t src_app_tag_seed; uint32_t dest_ref_tag_seed; uint16_t dest_app_tag_mask; uint16_t dest_app_tag_seed; }; uint8_t op_specific[24]; }; } __attribute__((packed)); struct dsa_raw_desc { uint64_t field[8]; } __attribute__((packed)); /* * The status field will be modified by hardware, therefore it should be * __volatile__ and prevent the compiler from optimize the read. */ struct dsa_completion_record { __volatile__ uint8_t status; union { uint8_t result; uint8_t dif_status; }; uint16_t rsvd; uint32_t bytes_completed; uint64_t fault_addr; union { /* common record */ struct { uint32_t invalid_flags:24; uint32_t rsvd2:8; }; uint32_t delta_rec_size; uint64_t crc_val; /* DIF check & strip */ struct { uint32_t dif_chk_ref_tag; uint16_t dif_chk_app_tag_mask; uint16_t dif_chk_app_tag; }; /* DIF insert */ struct { uint64_t dif_ins_res; uint32_t dif_ins_ref_tag; uint16_t dif_ins_app_tag_mask; uint16_t dif_ins_app_tag; }; /* DIF update */ struct { uint32_t dif_upd_src_ref_tag; uint16_t dif_upd_src_app_tag_mask; uint16_t dif_upd_src_app_tag; uint32_t dif_upd_dest_ref_tag; uint16_t dif_upd_dest_app_tag_mask; uint16_t dif_upd_dest_app_tag; }; uint8_t op_specific[16]; }; } __attribute__((packed)); struct dsa_raw_completion_record { uint64_t field[4]; } __attribute__((packed)); #endif