/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright © 2022-2023 Rivos Inc. * Copyright © 2023 FORTH-ICS/CARV * Copyright © 2023 RISC-V IOMMU Task Group * * RISC-V IOMMU - Register Layout and Data Structures. * * Based on the IOMMU spec version 1.0, 3/2023 * https://github.com/riscv-non-isa/riscv-iommu */ #ifndef HW_RISCV_IOMMU_BITS_H #define HW_RISCV_IOMMU_BITS_H #define RISCV_IOMMU_SPEC_DOT_VER 0x010 #ifndef GENMASK_ULL #define GENMASK_ULL(h, l) (((~0ULL) >> (63 - (h) + (l))) << (l)) #endif /* * struct riscv_iommu_fq_record - Fault/Event Queue Record * See section 3.2 for more info. */ struct riscv_iommu_fq_record { uint64_t hdr; uint64_t _reserved; uint64_t iotval; uint64_t iotval2; }; /* Header fields */ #define RISCV_IOMMU_FQ_HDR_CAUSE GENMASK_ULL(11, 0) #define RISCV_IOMMU_FQ_HDR_PID GENMASK_ULL(31, 12) #define RISCV_IOMMU_FQ_HDR_PV BIT_ULL(32) #define RISCV_IOMMU_FQ_HDR_TTYPE GENMASK_ULL(39, 34) #define RISCV_IOMMU_FQ_HDR_DID GENMASK_ULL(63, 40) /* * struct riscv_iommu_pq_record - PCIe Page Request record * For more infos on the PCIe Page Request queue see chapter 3.3. */ struct riscv_iommu_pq_record { uint64_t hdr; uint64_t payload; }; /* Header fields */ #define RISCV_IOMMU_PREQ_HDR_PID GENMASK_ULL(31, 12) #define RISCV_IOMMU_PREQ_HDR_PV BIT_ULL(32) #define RISCV_IOMMU_PREQ_HDR_PRIV BIT_ULL(33) #define RISCV_IOMMU_PREQ_HDR_EXEC BIT_ULL(34) #define RISCV_IOMMU_PREQ_HDR_DID GENMASK_ULL(63, 40) /* Payload fields */ #define RISCV_IOMMU_PREQ_PAYLOAD_M GENMASK_ULL(2, 0) /* Common field positions */ #define RISCV_IOMMU_PPN_FIELD GENMASK_ULL(53, 10) #define RISCV_IOMMU_QUEUE_LOGSZ_FIELD GENMASK_ULL(4, 0) #define RISCV_IOMMU_QUEUE_INDEX_FIELD GENMASK_ULL(31, 0) #define RISCV_IOMMU_QUEUE_ENABLE BIT(0) #define RISCV_IOMMU_QUEUE_INTR_ENABLE BIT(1) #define RISCV_IOMMU_QUEUE_MEM_FAULT BIT(8) #define RISCV_IOMMU_QUEUE_OVERFLOW BIT(9) #define RISCV_IOMMU_QUEUE_ACTIVE BIT(16) #define RISCV_IOMMU_QUEUE_BUSY BIT(17) #define RISCV_IOMMU_ATP_PPN_FIELD GENMASK_ULL(43, 0) #define RISCV_IOMMU_ATP_MODE_FIELD GENMASK_ULL(63, 60) /* 5.3 IOMMU Capabilities (64bits) */ #define RISCV_IOMMU_REG_CAP 0x0000 #define RISCV_IOMMU_CAP_VERSION GENMASK_ULL(7, 0) #define RISCV_IOMMU_CAP_SV32 BIT_ULL(8) #define RISCV_IOMMU_CAP_SV39 BIT_ULL(9) #define RISCV_IOMMU_CAP_SV48 BIT_ULL(10) #define RISCV_IOMMU_CAP_SV57 BIT_ULL(11) #define RISCV_IOMMU_CAP_SV32X4 BIT_ULL(16) #define RISCV_IOMMU_CAP_SV39X4 BIT_ULL(17) #define RISCV_IOMMU_CAP_SV48X4 BIT_ULL(18) #define RISCV_IOMMU_CAP_SV57X4 BIT_ULL(19) #define RISCV_IOMMU_CAP_MSI_FLAT BIT_ULL(22) #define RISCV_IOMMU_CAP_MSI_MRIF BIT_ULL(23) #define RISCV_IOMMU_CAP_ATS BIT_ULL(25) #define RISCV_IOMMU_CAP_T2GPA BIT_ULL(26) #define RISCV_IOMMU_CAP_IGS GENMASK_ULL(29, 28) #define RISCV_IOMMU_CAP_DBG BIT_ULL(31) #define RISCV_IOMMU_CAP_PAS GENMASK_ULL(37, 32) #define RISCV_IOMMU_CAP_PD8 BIT_ULL(38) #define RISCV_IOMMU_CAP_PD17 BIT_ULL(39) #define RISCV_IOMMU_CAP_PD20 BIT_ULL(40) /* 5.4 Features control register (32bits) */ #define RISCV_IOMMU_REG_FCTL 0x0008 #define RISCV_IOMMU_FCTL_BE BIT(0) #define RISCV_IOMMU_FCTL_WSI BIT(1) #define RISCV_IOMMU_FCTL_GXL BIT(2) /* 5.5 Device-directory-table pointer (64bits) */ #define RISCV_IOMMU_REG_DDTP 0x0010 #define RISCV_IOMMU_DDTP_MODE GENMASK_ULL(3, 0) #define RISCV_IOMMU_DDTP_BUSY BIT_ULL(4) #define RISCV_IOMMU_DDTP_PPN RISCV_IOMMU_PPN_FIELD enum riscv_iommu_ddtp_modes { RISCV_IOMMU_DDTP_MODE_OFF = 0, RISCV_IOMMU_DDTP_MODE_BARE = 1, RISCV_IOMMU_DDTP_MODE_1LVL = 2, RISCV_IOMMU_DDTP_MODE_2LVL = 3, RISCV_IOMMU_DDTP_MODE_3LVL = 4, RISCV_IOMMU_DDTP_MODE_MAX = 4 }; /* 5.6 Command Queue Base (64bits) */ #define RISCV_IOMMU_REG_CQB 0x0018 #define RISCV_IOMMU_CQB_LOG2SZ RISCV_IOMMU_QUEUE_LOGSZ_FIELD #define RISCV_IOMMU_CQB_PPN RISCV_IOMMU_PPN_FIELD /* 5.7 Command Queue head (32bits) */ #define RISCV_IOMMU_REG_CQH 0x0020 /* 5.8 Command Queue tail (32bits) */ #define RISCV_IOMMU_REG_CQT 0x0024 /* 5.9 Fault Queue Base (64bits) */ #define RISCV_IOMMU_REG_FQB 0x0028 #define RISCV_IOMMU_FQB_LOG2SZ RISCV_IOMMU_QUEUE_LOGSZ_FIELD #define RISCV_IOMMU_FQB_PPN RISCV_IOMMU_PPN_FIELD /* 5.10 Fault Queue Head (32bits) */ #define RISCV_IOMMU_REG_FQH 0x0030 /* 5.11 Fault Queue tail (32bits) */ #define RISCV_IOMMU_REG_FQT 0x0034 /* 5.12 Page Request Queue base (64bits) */ #define RISCV_IOMMU_REG_PQB 0x0038 #define RISCV_IOMMU_PQB_LOG2SZ RISCV_IOMMU_QUEUE_LOGSZ_FIELD #define RISCV_IOMMU_PQB_PPN RISCV_IOMMU_PPN_FIELD /* 5.13 Page Request Queue head (32bits) */ #define RISCV_IOMMU_REG_PQH 0x0040 /* 5.14 Page Request Queue tail (32bits) */ #define RISCV_IOMMU_REG_PQT 0x0044 /* 5.15 Command Queue CSR (32bits) */ #define RISCV_IOMMU_REG_CQCSR 0x0048 #define RISCV_IOMMU_CQCSR_CQEN RISCV_IOMMU_QUEUE_ENABLE #define RISCV_IOMMU_CQCSR_CIE RISCV_IOMMU_QUEUE_INTR_ENABLE #define RISCV_IOMMU_CQCSR_CQMF RISCV_IOMMU_QUEUE_MEM_FAULT #define RISCV_IOMMU_CQCSR_CMD_TO BIT(9) #define RISCV_IOMMU_CQCSR_CMD_ILL BIT(10) #define RISCV_IOMMU_CQCSR_FENCE_W_IP BIT(11) #define RISCV_IOMMU_CQCSR_CQON RISCV_IOMMU_QUEUE_ACTIVE #define RISCV_IOMMU_CQCSR_BUSY RISCV_IOMMU_QUEUE_BUSY /* 5.16 Fault Queue CSR (32bits) */ #define RISCV_IOMMU_REG_FQCSR 0x004C #define RISCV_IOMMU_FQCSR_FQEN RISCV_IOMMU_QUEUE_ENABLE #define RISCV_IOMMU_FQCSR_FIE RISCV_IOMMU_QUEUE_INTR_ENABLE #define RISCV_IOMMU_FQCSR_FQMF RISCV_IOMMU_QUEUE_MEM_FAULT #define RISCV_IOMMU_FQCSR_FQOF RISCV_IOMMU_QUEUE_OVERFLOW #define RISCV_IOMMU_FQCSR_FQON RISCV_IOMMU_QUEUE_ACTIVE #define RISCV_IOMMU_FQCSR_BUSY RISCV_IOMMU_QUEUE_BUSY /* 5.17 Page Request Queue CSR (32bits) */ #define RISCV_IOMMU_REG_PQCSR 0x0050 #define RISCV_IOMMU_PQCSR_PQEN RISCV_IOMMU_QUEUE_ENABLE #define RISCV_IOMMU_PQCSR_PIE RISCV_IOMMU_QUEUE_INTR_ENABLE #define RISCV_IOMMU_PQCSR_PQMF RISCV_IOMMU_QUEUE_MEM_FAULT #define RISCV_IOMMU_PQCSR_PQOF RISCV_IOMMU_QUEUE_OVERFLOW #define RISCV_IOMMU_PQCSR_PQON RISCV_IOMMU_QUEUE_ACTIVE #define RISCV_IOMMU_PQCSR_BUSY RISCV_IOMMU_QUEUE_BUSY /* 5.18 Interrupt Pending Status (32bits) */ #define RISCV_IOMMU_REG_IPSR 0x0054 #define RISCV_IOMMU_IPSR_CIP BIT(0) #define RISCV_IOMMU_IPSR_FIP BIT(1) #define RISCV_IOMMU_IPSR_PIP BIT(3) enum { RISCV_IOMMU_INTR_CQ, RISCV_IOMMU_INTR_FQ, RISCV_IOMMU_INTR_PM, RISCV_IOMMU_INTR_PQ, RISCV_IOMMU_INTR_COUNT }; /* 5.24 Translation request IOVA (64bits) */ #define RISCV_IOMMU_REG_TR_REQ_IOVA 0x0258 /* 5.25 Translation request control (64bits) */ #define RISCV_IOMMU_REG_TR_REQ_CTL 0x0260 #define RISCV_IOMMU_TR_REQ_CTL_GO_BUSY BIT_ULL(0) #define RISCV_IOMMU_TR_REQ_CTL_NW BIT_ULL(3) #define RISCV_IOMMU_TR_REQ_CTL_PID GENMASK_ULL(31, 12) #define RISCV_IOMMU_TR_REQ_CTL_DID GENMASK_ULL(63, 40) /* 5.26 Translation request response (64bits) */ #define RISCV_IOMMU_REG_TR_RESPONSE 0x0268 #define RISCV_IOMMU_TR_RESPONSE_FAULT BIT_ULL(0) #define RISCV_IOMMU_TR_RESPONSE_S BIT_ULL(9) #define RISCV_IOMMU_TR_RESPONSE_PPN RISCV_IOMMU_PPN_FIELD /* 5.27 Interrupt cause to vector (64bits) */ #define RISCV_IOMMU_REG_ICVEC 0x02F8 #define RISCV_IOMMU_ICVEC_CIV GENMASK_ULL(3, 0) #define RISCV_IOMMU_ICVEC_FIV GENMASK_ULL(7, 4) #define RISCV_IOMMU_ICVEC_PMIV GENMASK_ULL(11, 8) #define RISCV_IOMMU_ICVEC_PIV GENMASK_ULL(15, 12) /* 5.28 MSI Configuration table (32 * 64bits) */ #define RISCV_IOMMU_REG_MSI_CONFIG 0x0300 #define RISCV_IOMMU_REG_SIZE 0x1000 #define RISCV_IOMMU_DDTE_VALID BIT_ULL(0) #define RISCV_IOMMU_DDTE_PPN RISCV_IOMMU_PPN_FIELD /* Struct riscv_iommu_dc - Device Context - section 2.1 */ struct riscv_iommu_dc { uint64_t tc; uint64_t iohgatp; uint64_t ta; uint64_t fsc; uint64_t msiptp; uint64_t msi_addr_mask; uint64_t msi_addr_pattern; uint64_t _reserved; }; /* Translation control fields */ #define RISCV_IOMMU_DC_TC_V BIT_ULL(0) #define RISCV_IOMMU_DC_TC_EN_ATS BIT_ULL(1) #define RISCV_IOMMU_DC_TC_EN_PRI BIT_ULL(2) #define RISCV_IOMMU_DC_TC_T2GPA BIT_ULL(3) #define RISCV_IOMMU_DC_TC_DTF BIT_ULL(4) #define RISCV_IOMMU_DC_TC_PDTV BIT_ULL(5) #define RISCV_IOMMU_DC_TC_PRPR BIT_ULL(6) #define RISCV_IOMMU_DC_TC_GADE BIT_ULL(7) #define RISCV_IOMMU_DC_TC_SADE BIT_ULL(8) #define RISCV_IOMMU_DC_TC_DPE BIT_ULL(9) #define RISCV_IOMMU_DC_TC_SBE BIT_ULL(10) #define RISCV_IOMMU_DC_TC_SXL BIT_ULL(11) /* Second-stage (aka G-stage) context fields */ #define RISCV_IOMMU_DC_IOHGATP_PPN RISCV_IOMMU_ATP_PPN_FIELD #define RISCV_IOMMU_DC_IOHGATP_GSCID GENMASK_ULL(59, 44) #define RISCV_IOMMU_DC_IOHGATP_MODE RISCV_IOMMU_ATP_MODE_FIELD enum riscv_iommu_dc_iohgatp_modes { RISCV_IOMMU_DC_IOHGATP_MODE_BARE = 0, RISCV_IOMMU_DC_IOHGATP_MODE_SV32X4 = 8, RISCV_IOMMU_DC_IOHGATP_MODE_SV39X4 = 8, RISCV_IOMMU_DC_IOHGATP_MODE_SV48X4 = 9, RISCV_IOMMU_DC_IOHGATP_MODE_SV57X4 = 10 }; /* Translation attributes fields */ #define RISCV_IOMMU_DC_TA_PSCID GENMASK_ULL(31, 12) /* First-stage context fields */ #define RISCV_IOMMU_DC_FSC_PPN RISCV_IOMMU_ATP_PPN_FIELD #define RISCV_IOMMU_DC_FSC_MODE RISCV_IOMMU_ATP_MODE_FIELD /* Generic I/O MMU command structure - check section 3.1 */ struct riscv_iommu_command { uint64_t dword0; uint64_t dword1; }; #define RISCV_IOMMU_CMD_OPCODE GENMASK_ULL(6, 0) #define RISCV_IOMMU_CMD_FUNC GENMASK_ULL(9, 7) #define RISCV_IOMMU_CMD_IOTINVAL_OPCODE 1 #define RISCV_IOMMU_CMD_IOTINVAL_FUNC_VMA 0 #define RISCV_IOMMU_CMD_IOTINVAL_FUNC_GVMA 1 #define RISCV_IOMMU_CMD_IOTINVAL_AV BIT_ULL(10) #define RISCV_IOMMU_CMD_IOTINVAL_PSCID GENMASK_ULL(31, 12) #define RISCV_IOMMU_CMD_IOTINVAL_PSCV BIT_ULL(32) #define RISCV_IOMMU_CMD_IOTINVAL_GV BIT_ULL(33) #define RISCV_IOMMU_CMD_IOTINVAL_GSCID GENMASK_ULL(59, 44) #define RISCV_IOMMU_CMD_IOFENCE_OPCODE 2 #define RISCV_IOMMU_CMD_IOFENCE_FUNC_C 0 #define RISCV_IOMMU_CMD_IOFENCE_AV BIT_ULL(10) #define RISCV_IOMMU_CMD_IOFENCE_DATA GENMASK_ULL(63, 32) #define RISCV_IOMMU_CMD_IODIR_OPCODE 3 #define RISCV_IOMMU_CMD_IODIR_FUNC_INVAL_DDT 0 #define RISCV_IOMMU_CMD_IODIR_FUNC_INVAL_PDT 1 #define RISCV_IOMMU_CMD_IODIR_PID GENMASK_ULL(31, 12) #define RISCV_IOMMU_CMD_IODIR_DV BIT_ULL(33) #define RISCV_IOMMU_CMD_IODIR_DID GENMASK_ULL(63, 40) /* 3.1.4 I/O MMU PCIe ATS */ #define RISCV_IOMMU_CMD_ATS_OPCODE 4 #define RISCV_IOMMU_CMD_ATS_FUNC_INVAL 0 #define RISCV_IOMMU_CMD_ATS_FUNC_PRGR 1 #define RISCV_IOMMU_CMD_ATS_PID GENMASK_ULL(31, 12) #define RISCV_IOMMU_CMD_ATS_PV BIT_ULL(32) #define RISCV_IOMMU_CMD_ATS_DSV BIT_ULL(33) #define RISCV_IOMMU_CMD_ATS_RID GENMASK_ULL(55, 40) #define RISCV_IOMMU_CMD_ATS_DSEG GENMASK_ULL(63, 56) /* dword1 is the ATS payload, two different payload types for INVAL and PRGR */ /* ATS.PRGR payload */ #define RISCV_IOMMU_CMD_ATS_PRGR_RESP_CODE GENMASK_ULL(47, 44) enum riscv_iommu_dc_fsc_atp_modes { RISCV_IOMMU_DC_FSC_MODE_BARE = 0, RISCV_IOMMU_DC_FSC_IOSATP_MODE_SV32 = 8, RISCV_IOMMU_DC_FSC_IOSATP_MODE_SV39 = 8, RISCV_IOMMU_DC_FSC_IOSATP_MODE_SV48 = 9, RISCV_IOMMU_DC_FSC_IOSATP_MODE_SV57 = 10, RISCV_IOMMU_DC_FSC_PDTP_MODE_PD8 = 1, RISCV_IOMMU_DC_FSC_PDTP_MODE_PD17 = 2, RISCV_IOMMU_DC_FSC_PDTP_MODE_PD20 = 3 }; enum riscv_iommu_fq_causes { RISCV_IOMMU_FQ_CAUSE_INST_FAULT = 1, RISCV_IOMMU_FQ_CAUSE_RD_ADDR_MISALIGNED = 4, RISCV_IOMMU_FQ_CAUSE_RD_FAULT = 5, RISCV_IOMMU_FQ_CAUSE_WR_ADDR_MISALIGNED = 6, RISCV_IOMMU_FQ_CAUSE_WR_FAULT = 7, RISCV_IOMMU_FQ_CAUSE_INST_FAULT_S = 12, RISCV_IOMMU_FQ_CAUSE_RD_FAULT_S = 13, RISCV_IOMMU_FQ_CAUSE_WR_FAULT_S = 15, RISCV_IOMMU_FQ_CAUSE_INST_FAULT_VS = 20, RISCV_IOMMU_FQ_CAUSE_RD_FAULT_VS = 21, RISCV_IOMMU_FQ_CAUSE_WR_FAULT_VS = 23, RISCV_IOMMU_FQ_CAUSE_DMA_DISABLED = 256, RISCV_IOMMU_FQ_CAUSE_DDT_LOAD_FAULT = 257, RISCV_IOMMU_FQ_CAUSE_DDT_INVALID = 258, RISCV_IOMMU_FQ_CAUSE_DDT_MISCONFIGURED = 259, RISCV_IOMMU_FQ_CAUSE_TTYPE_BLOCKED = 260, RISCV_IOMMU_FQ_CAUSE_MSI_LOAD_FAULT = 261, RISCV_IOMMU_FQ_CAUSE_MSI_INVALID = 262, RISCV_IOMMU_FQ_CAUSE_MSI_MISCONFIGURED = 263, RISCV_IOMMU_FQ_CAUSE_MRIF_FAULT = 264, RISCV_IOMMU_FQ_CAUSE_PDT_LOAD_FAULT = 265, RISCV_IOMMU_FQ_CAUSE_PDT_INVALID = 266, RISCV_IOMMU_FQ_CAUSE_PDT_MISCONFIGURED = 267, RISCV_IOMMU_FQ_CAUSE_DDT_CORRUPTED = 268, RISCV_IOMMU_FQ_CAUSE_PDT_CORRUPTED = 269, RISCV_IOMMU_FQ_CAUSE_MSI_PT_CORRUPTED = 270, RISCV_IOMMU_FQ_CAUSE_MRIF_CORRUIPTED = 271, RISCV_IOMMU_FQ_CAUSE_INTERNAL_DP_ERROR = 272, RISCV_IOMMU_FQ_CAUSE_MSI_WR_FAULT = 273, RISCV_IOMMU_FQ_CAUSE_PT_CORRUPTED = 274 }; /* MSI page table pointer */ #define RISCV_IOMMU_DC_MSIPTP_PPN RISCV_IOMMU_ATP_PPN_FIELD #define RISCV_IOMMU_DC_MSIPTP_MODE RISCV_IOMMU_ATP_MODE_FIELD #define RISCV_IOMMU_DC_MSIPTP_MODE_OFF 0 #define RISCV_IOMMU_DC_MSIPTP_MODE_FLAT 1 /* Translation attributes fields */ #define RISCV_IOMMU_PC_TA_V BIT_ULL(0) #define RISCV_IOMMU_PC_TA_RESERVED GENMASK_ULL(63, 32) /* First stage context fields */ #define RISCV_IOMMU_PC_FSC_PPN GENMASK_ULL(43, 0) #define RISCV_IOMMU_PC_FSC_RESERVED GENMASK_ULL(59, 44) enum riscv_iommu_fq_ttypes { RISCV_IOMMU_FQ_TTYPE_NONE = 0, RISCV_IOMMU_FQ_TTYPE_UADDR_INST_FETCH = 1, RISCV_IOMMU_FQ_TTYPE_UADDR_RD = 2, RISCV_IOMMU_FQ_TTYPE_UADDR_WR = 3, RISCV_IOMMU_FQ_TTYPE_TADDR_INST_FETCH = 5, RISCV_IOMMU_FQ_TTYPE_TADDR_RD = 6, RISCV_IOMMU_FQ_TTYPE_TADDR_WR = 7, RISCV_IOMMU_FQ_TTYPE_PCIE_ATS_REQ = 8, RISCV_IOMMU_FW_TTYPE_PCIE_MSG_REQ = 9, }; /* Header fields */ #define RISCV_IOMMU_PREQ_HDR_PID GENMASK_ULL(31, 12) #define RISCV_IOMMU_PREQ_HDR_PV BIT_ULL(32) #define RISCV_IOMMU_PREQ_HDR_PRIV BIT_ULL(33) #define RISCV_IOMMU_PREQ_HDR_EXEC BIT_ULL(34) #define RISCV_IOMMU_PREQ_HDR_DID GENMASK_ULL(63, 40) /* Payload fields */ #define RISCV_IOMMU_PREQ_PAYLOAD_R BIT_ULL(0) #define RISCV_IOMMU_PREQ_PAYLOAD_W BIT_ULL(1) #define RISCV_IOMMU_PREQ_PAYLOAD_L BIT_ULL(2) #define RISCV_IOMMU_PREQ_PAYLOAD_M GENMASK_ULL(2, 0) #define RISCV_IOMMU_PREQ_PRG_INDEX GENMASK_ULL(11, 3) #define RISCV_IOMMU_PREQ_UADDR GENMASK_ULL(63, 12) /* * struct riscv_iommu_msi_pte - MSI Page Table Entry */ struct riscv_iommu_msi_pte { uint64_t pte; uint64_t mrif_info; }; /* Fields on pte */ #define RISCV_IOMMU_MSI_PTE_V BIT_ULL(0) #define RISCV_IOMMU_MSI_PTE_M GENMASK_ULL(2, 1) #define RISCV_IOMMU_MSI_PTE_M_MRIF 1 #define RISCV_IOMMU_MSI_PTE_M_BASIC 3 /* When M == 1 (MRIF mode) */ #define RISCV_IOMMU_MSI_PTE_MRIF_ADDR GENMASK_ULL(53, 7) /* When M == 3 (basic mode) */ #define RISCV_IOMMU_MSI_PTE_PPN RISCV_IOMMU_PPN_FIELD #define RISCV_IOMMU_MSI_PTE_C BIT_ULL(63) /* Fields on mrif_info */ #define RISCV_IOMMU_MSI_MRIF_NID GENMASK_ULL(9, 0) #define RISCV_IOMMU_MSI_MRIF_NPPN RISCV_IOMMU_PPN_FIELD #define RISCV_IOMMU_MSI_MRIF_NID_MSB BIT_ULL(60) #endif /* _RISCV_IOMMU_BITS_H_ */