From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8622DC2BBCA for ; Wed, 26 Jun 2024 02:44:17 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sMI8d-0004qY-7s; Tue, 25 Jun 2024 22:12:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sMI8I-0004nf-Cz for qemu-devel@nongnu.org; Tue, 25 Jun 2024 22:11:38 -0400 Received: from [2607:f8b0:4864:20::82b] (helo=mail-qt1-x82b.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sMI7i-00045x-6U for qemu-devel@nongnu.org; Tue, 25 Jun 2024 22:11:30 -0400 Received: by mail-qt1-x82b.google.com with SMTP id d75a77b69052e-445033fbc24so3566631cf.3 for ; Tue, 25 Jun 2024 19:10:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1719367789; x=1719972589; darn=nongnu.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=ncdC+GPlt/ou0On6unrYjryzudy4jlqmi/TLhg4D1S8=; b=hKCVInZwUN0lL4v2D1LJnxx/fmBJesOwLAnfQrKZcj55IFiSj9J/QzYZIu4J+SDsbL bmHcX5lv0jiXUYuxjMZJ1gIhCo3LU2GvBHzJgVO3aDx1u5/QZzDzXfAh1Iu3hVw6+6jH ue5DmD3DozfSB1TvsXB3hxW5PPLVmUkpYR9C0sSgPArfxOR0Dv3grlpg91+ncsAuP1E0 f+rjyD+ufBBgNJYkTV4NmaHKE1LJ+2J6lK/otXoAcZhfFuyqo27Xm3baAYvZcgn1VHhd 66uk8bTMuNcjqkZKYPthdUfLrSlc3a05DEV7WKK0x9zEPjZKZWGWPsrix4qcawkNl6+t 2GVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719367789; x=1719972589; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ncdC+GPlt/ou0On6unrYjryzudy4jlqmi/TLhg4D1S8=; b=X696ewno41we2KBkNEHpjMK4Fu+6kuBeksWJqXluXYIFUIqTRMEQ6ZL+H6prLy0T5C ot5QISCzncbK0ptnQLQ451/XboH3Q2nDCczgRwigCW60j1t0xMh7rO93CUr55jxupXmi JJgFEhY0vjSzXri/Bn67XhZLizCWSTzcgOBVEnf3pYZreWMVLz2z+ZryT5rzMGyrPtBe Tx5GTHNgDXrzj1+RCxM+QN/LkEF/SMKR3YHIM5xIJkseOCzZW4p9rkLszjbrqSAs9eVZ dKRImG73Ploen105XX7Gm7Gglz11l4v7ZECJtk0lNcVrses2D2VFTc1T1hJpxqYujlt4 ikdg== X-Gm-Message-State: AOJu0Yw3oLv0hFaVl23nqYW7M4ivLgUAuXH19sZFvmaYehRUd1J4azen dXkHFRknoTW7SGnqMZzAEao5hiMXGDYwC0KFtNXzlCMj26xZsVND+ydsJrA2jO0QtEl5Fcb1/rK 1VmsNS8M8FyFBGR00ZxoKGn5xLXSRa7bm X-Google-Smtp-Source: AGHT+IH13U29zX0G2YORrlYrIZOrS6g6TJnaa0DFkUx9jaVVbsLjhxlXvYzg8TQYHHxy1w4/BONLXi8p4VXmzTY8+oo= X-Received: by 2002:a05:6102:446:b0:48f:4396:389f with SMTP id ada2fe7eead31-48f52b9b30bmr8494294137.24.1719363608639; Tue, 25 Jun 2024 18:00:08 -0700 (PDT) MIME-Version: 1.0 References: <20240624201825.1054980-1-dbarboza@ventanamicro.com> <20240624201825.1054980-3-dbarboza@ventanamicro.com> In-Reply-To: <20240624201825.1054980-3-dbarboza@ventanamicro.com> From: Alistair Francis Date: Wed, 26 Jun 2024 10:59:42 +1000 Message-ID: Subject: Re: [PATCH v4 02/14] hw/riscv: add riscv-iommu-bits.h To: Daniel Henrique Barboza Cc: qemu-devel@nongnu.org, qemu-riscv@nongnu.org, alistair.francis@wdc.com, bmeng@tinylab.org, liwei1518@gmail.com, zhiwei_liu@linux.alibaba.com, palmer@rivosinc.com, ajones@ventanamicro.com, tjeznach@rivosinc.com, frank.chang@sifive.com, jason.chien@sifive.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::82b (deferred) Received-SPF: pass client-ip=2607:f8b0:4864:20::82b; envelope-from=alistair23@gmail.com; helo=mail-qt1-x82b.google.com X-Spam_score_int: -9 X-Spam_score: -1.0 X-Spam_bar: - X-Spam_report: (-1.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01, UPPERCASE_50_75=0.008 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Tue, Jun 25, 2024 at 6:20=E2=80=AFAM Daniel Henrique Barboza wrote: > > From: Tomasz Jeznach > > This header will be used by the RISC-V IOMMU emulation to be added > in the next patch. Due to its size it's being sent in separate for > an easier review. > > One thing to notice is that this header can be replaced by the future > Linux RISC-V IOMMU driver header, which would become a linux-header we > would import instead of keeping our own. The Linux implementation isn't > upstream yet so for now we'll have to manage riscv-iommu-bits.h. > > Signed-off-by: Tomasz Jeznach > Signed-off-by: Daniel Henrique Barboza > Reviewed-by: Frank Chang > --- > hw/riscv/riscv-iommu-bits.h | 347 ++++++++++++++++++++++++++++++++++++ > 1 file changed, 347 insertions(+) > create mode 100644 hw/riscv/riscv-iommu-bits.h > > diff --git a/hw/riscv/riscv-iommu-bits.h b/hw/riscv/riscv-iommu-bits.h > new file mode 100644 > index 0000000000..f29b916acb > --- /dev/null > +++ b/hw/riscv/riscv-iommu-bits.h > @@ -0,0 +1,347 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +/* > + * Copyright =C2=A9 2022-2023 Rivos Inc. > + * Copyright =C2=A9 2023 FORTH-ICS/CARV > + * Copyright =C2=A9 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 > + > +#include "qemu/osdep.h" We shouldn't include osdep.h in header files Alistair > + > +#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_MSI_FLAT BIT_ULL(22) > +#define RISCV_IOMMU_CAP_MSI_MRIF BIT_ULL(23) > +#define RISCV_IOMMU_CAP_T2GPA BIT_ULL(26) > +#define RISCV_IOMMU_CAP_IGS GENMASK_ULL(29, 28) > +#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_WSI BIT(1) > + > +/* 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 =3D 0, > + RISCV_IOMMU_DDTP_MODE_BARE =3D 1, > + RISCV_IOMMU_DDTP_MODE_1LVL =3D 2, > + RISCV_IOMMU_DDTP_MODE_2LVL =3D 3, > + RISCV_IOMMU_DDTP_MODE_3LVL =3D 4, > + RISCV_IOMMU_DDTP_MODE_MAX =3D 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 > +}; > + > +/* 5.27 Interrupt cause to vector (64bits) */ > +#define RISCV_IOMMU_REG_IVEC 0x02F8 > + > +/* 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_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_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 =3D 0, > + RISCV_IOMMU_DC_IOHGATP_MODE_SV32X4 =3D 8, > + RISCV_IOMMU_DC_IOHGATP_MODE_SV39X4 =3D 8, > + RISCV_IOMMU_DC_IOHGATP_MODE_SV48X4 =3D 9, > + RISCV_IOMMU_DC_IOHGATP_MODE_SV57X4 =3D 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) > + > +enum riscv_iommu_dc_fsc_atp_modes { > + RISCV_IOMMU_DC_FSC_MODE_BARE =3D 0, > + RISCV_IOMMU_DC_FSC_IOSATP_MODE_SV32 =3D 8, > + RISCV_IOMMU_DC_FSC_IOSATP_MODE_SV39 =3D 8, > + RISCV_IOMMU_DC_FSC_IOSATP_MODE_SV48 =3D 9, > + RISCV_IOMMU_DC_FSC_IOSATP_MODE_SV57 =3D 10, > + RISCV_IOMMU_DC_FSC_PDTP_MODE_PD8 =3D 1, > + RISCV_IOMMU_DC_FSC_PDTP_MODE_PD17 =3D 2, > + RISCV_IOMMU_DC_FSC_PDTP_MODE_PD20 =3D 3 > +}; > + > +enum riscv_iommu_fq_causes { > + RISCV_IOMMU_FQ_CAUSE_INST_FAULT =3D 1, > + RISCV_IOMMU_FQ_CAUSE_RD_ADDR_MISALIGNED =3D 4, > + RISCV_IOMMU_FQ_CAUSE_RD_FAULT =3D 5, > + RISCV_IOMMU_FQ_CAUSE_WR_ADDR_MISALIGNED =3D 6, > + RISCV_IOMMU_FQ_CAUSE_WR_FAULT =3D 7, > + RISCV_IOMMU_FQ_CAUSE_INST_FAULT_S =3D 12, > + RISCV_IOMMU_FQ_CAUSE_RD_FAULT_S =3D 13, > + RISCV_IOMMU_FQ_CAUSE_WR_FAULT_S =3D 15, > + RISCV_IOMMU_FQ_CAUSE_INST_FAULT_VS =3D 20, > + RISCV_IOMMU_FQ_CAUSE_RD_FAULT_VS =3D 21, > + RISCV_IOMMU_FQ_CAUSE_WR_FAULT_VS =3D 23, > + RISCV_IOMMU_FQ_CAUSE_DMA_DISABLED =3D 256, > + RISCV_IOMMU_FQ_CAUSE_DDT_LOAD_FAULT =3D 257, > + RISCV_IOMMU_FQ_CAUSE_DDT_INVALID =3D 258, > + RISCV_IOMMU_FQ_CAUSE_DDT_MISCONFIGURED =3D 259, > + RISCV_IOMMU_FQ_CAUSE_TTYPE_BLOCKED =3D 260, > + RISCV_IOMMU_FQ_CAUSE_MSI_LOAD_FAULT =3D 261, > + RISCV_IOMMU_FQ_CAUSE_MSI_INVALID =3D 262, > + RISCV_IOMMU_FQ_CAUSE_MSI_MISCONFIGURED =3D 263, > + RISCV_IOMMU_FQ_CAUSE_MRIF_FAULT =3D 264, > + RISCV_IOMMU_FQ_CAUSE_PDT_LOAD_FAULT =3D 265, > + RISCV_IOMMU_FQ_CAUSE_PDT_INVALID =3D 266, > + RISCV_IOMMU_FQ_CAUSE_PDT_MISCONFIGURED =3D 267, > + RISCV_IOMMU_FQ_CAUSE_DDT_CORRUPTED =3D 268, > + RISCV_IOMMU_FQ_CAUSE_PDT_CORRUPTED =3D 269, > + RISCV_IOMMU_FQ_CAUSE_MSI_PT_CORRUPTED =3D 270, > + RISCV_IOMMU_FQ_CAUSE_MRIF_CORRUIPTED =3D 271, > + RISCV_IOMMU_FQ_CAUSE_INTERNAL_DP_ERROR =3D 272, > + RISCV_IOMMU_FQ_CAUSE_MSI_WR_FAULT =3D 273, > + RISCV_IOMMU_FQ_CAUSE_PT_CORRUPTED =3D 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) > + > +/* First stage context fields */ > +#define RISCV_IOMMU_PC_FSC_PPN GENMASK_ULL(43, 0) > + > +enum riscv_iommu_fq_ttypes { > + RISCV_IOMMU_FQ_TTYPE_NONE =3D 0, > + RISCV_IOMMU_FQ_TTYPE_UADDR_INST_FETCH =3D 1, > + RISCV_IOMMU_FQ_TTYPE_UADDR_RD =3D 2, > + RISCV_IOMMU_FQ_TTYPE_UADDR_WR =3D 3, > + RISCV_IOMMU_FQ_TTYPE_TADDR_INST_FETCH =3D 5, > + RISCV_IOMMU_FQ_TTYPE_TADDR_RD =3D 6, > + RISCV_IOMMU_FQ_TTYPE_TADDR_WR =3D 7, > + RISCV_IOMMU_FW_TTYPE_PCIE_MSG_REQ =3D 8, > +}; > + > +/* 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 =3D=3D 1 (MRIF mode) */ > +#define RISCV_IOMMU_MSI_PTE_MRIF_ADDR GENMASK_ULL(53, 7) > +/* When M =3D=3D 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_ */ > -- > 2.45.2 > >