From patchwork Fri Jan 27 11:29:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Price X-Patchwork-Id: 49253 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:eb09:0:0:0:0:0 with SMTP id s9csp782999wrn; Fri, 27 Jan 2023 03:32:45 -0800 (PST) X-Google-Smtp-Source: AK7set8JrepCkLoNNYGNULd14FgbWkwGXFymG7JN/5SM+yxYvOYuA4HsZNZkyKFFV7nGzHtk/7LI X-Received: by 2002:a17:902:f54f:b0:196:44d4:2464 with SMTP id h15-20020a170902f54f00b0019644d42464mr5575139plf.28.1674819164693; Fri, 27 Jan 2023 03:32:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1674819164; cv=none; d=google.com; s=arc-20160816; b=GGKxERgb5HKz81FjZ4YZYNRkPNmv6h5VNgNed43TRTi7lY8tGJf3xh5NSmh+jam3lr zitDVTcySFPa33V48mPcviZtf6Py1pn6IC5FI+N5pdUnQi4ygnJbmUbv4KCTDXTUlmG3 BAJHs/UFMcGd1Nx5GE0Nll4e1Mek8RSm1wLgikPmGmu5xXqTBoK+DcMho7CZejyqeoTD f+ucIwj62+5cb9CU9k4C31JHP+xlFqgHQGM2M1BnqpU4HRhuV1jhzTfnScQ8ys9G53cy fjHh5UeniT3WxLVdzkNMqKlb5i6ufPMXn/MMCYduk3d5+lRh4NQ4RYuNsuyY03ysQ1AR 0UFA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=sNujmiKdeh5yB9PS/ObVxfzsbwNqQ03so74LQD59f+8=; b=v1r7SOHa6PhDq4KmHGHr1YN6UQdloRv9ePTXMCgaaK6bN3UaIU8TYXCM5Xr70P611r 1kIEYGtb73bZX30klv73+EQLLSDQhMPvvugSh/Vos7bFwYRxcrCkQN4uE3ihzyQj9zFd liDK1W42mblxaAjXzwvg1r5fTXqQrDVLruiZXXGSu5V4Kvx1H9i2byS93yNte9WoxypU kZU7i5IDBkbWtxJQqv0bcWvzp5q5yTPjM0SQgeArQ+/ZBmJ9xFZMR1A3zm80uOdWF6Mh amtas+EYEyOhgFt+qyQfj1lEIEOoTyDtkaumZ159SGgbJYCfS+xXkc+6xJlJ4Sr2dOfV kZoQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id y2-20020a17090322c200b00186989178b0si5007471plg.132.2023.01.27.03.32.31; Fri, 27 Jan 2023 03:32:44 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233408AbjA0Lby (ORCPT + 99 others); Fri, 27 Jan 2023 06:31:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41984 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233322AbjA0LbZ (ORCPT ); Fri, 27 Jan 2023 06:31:25 -0500 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 58A817D6EC; Fri, 27 Jan 2023 03:30:00 -0800 (PST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2D7DE1576; Fri, 27 Jan 2023 03:30:30 -0800 (PST) Received: from e122027.cambridge.arm.com (e122027.cambridge.arm.com [10.1.35.16]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D355E3F64C; Fri, 27 Jan 2023 03:29:45 -0800 (PST) From: Steven Price To: kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: Steven Price , Catalin Marinas , Marc Zyngier , Will Deacon , James Morse , Oliver Upton , Suzuki K Poulose , Zenghui Yu , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Joey Gouly , Alexandru Elisei , Christoffer Dall , Fuad Tabba , linux-coco@lists.linux.dev Subject: [RFC PATCH 02/28] arm64: RME: Add SMC definitions for calling the RMM Date: Fri, 27 Jan 2023 11:29:06 +0000 Message-Id: <20230127112932.38045-3-steven.price@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230127112932.38045-1-steven.price@arm.com> References: <20230127112248.136810-1-suzuki.poulose@arm.com> <20230127112932.38045-1-steven.price@arm.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1756175180766914098?= X-GMAIL-MSGID: =?utf-8?q?1756175180766914098?= The RMM (Realm Management Monitor) provides functionality that can be accessed by SMC calls from the host. The SMC definitions are based on DEN0137[1] version A-bet0. [1] https://developer.arm.com/documentation/den0137/latest Signed-off-by: Steven Price --- arch/arm64/include/asm/rmi_smc.h | 235 +++++++++++++++++++++++++++++++ 1 file changed, 235 insertions(+) create mode 100644 arch/arm64/include/asm/rmi_smc.h diff --git a/arch/arm64/include/asm/rmi_smc.h b/arch/arm64/include/asm/rmi_smc.h new file mode 100644 index 000000000000..16ff65090f3a --- /dev/null +++ b/arch/arm64/include/asm/rmi_smc.h @@ -0,0 +1,235 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2023 ARM Ltd. + */ + +#ifndef __ASM_RME_SMC_H +#define __ASM_RME_SMC_H + +#include + +#define SMC_RxI_CALL(func) \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_64, \ + ARM_SMCCC_OWNER_STANDARD, \ + (func)) + +/* FID numbers from alp10 specification */ + +#define SMC_RMI_DATA_CREATE SMC_RxI_CALL(0x0153) +#define SMC_RMI_DATA_CREATE_UNKNOWN SMC_RxI_CALL(0x0154) +#define SMC_RMI_DATA_DESTROY SMC_RxI_CALL(0x0155) +#define SMC_RMI_FEATURES SMC_RxI_CALL(0x0165) +#define SMC_RMI_GRANULE_DELEGATE SMC_RxI_CALL(0x0151) +#define SMC_RMI_GRANULE_UNDELEGATE SMC_RxI_CALL(0x0152) +#define SMC_RMI_PSCI_COMPLETE SMC_RxI_CALL(0x0164) +#define SMC_RMI_REALM_ACTIVATE SMC_RxI_CALL(0x0157) +#define SMC_RMI_REALM_CREATE SMC_RxI_CALL(0x0158) +#define SMC_RMI_REALM_DESTROY SMC_RxI_CALL(0x0159) +#define SMC_RMI_REC_AUX_COUNT SMC_RxI_CALL(0x0167) +#define SMC_RMI_REC_CREATE SMC_RxI_CALL(0x015a) +#define SMC_RMI_REC_DESTROY SMC_RxI_CALL(0x015b) +#define SMC_RMI_REC_ENTER SMC_RxI_CALL(0x015c) +#define SMC_RMI_RTT_CREATE SMC_RxI_CALL(0x015d) +#define SMC_RMI_RTT_DESTROY SMC_RxI_CALL(0x015e) +#define SMC_RMI_RTT_FOLD SMC_RxI_CALL(0x0166) +#define SMC_RMI_RTT_INIT_RIPAS SMC_RxI_CALL(0x0168) +#define SMC_RMI_RTT_MAP_UNPROTECTED SMC_RxI_CALL(0x015f) +#define SMC_RMI_RTT_READ_ENTRY SMC_RxI_CALL(0x0161) +#define SMC_RMI_RTT_SET_RIPAS SMC_RxI_CALL(0x0169) +#define SMC_RMI_RTT_UNMAP_UNPROTECTED SMC_RxI_CALL(0x0162) +#define SMC_RMI_VERSION SMC_RxI_CALL(0x0150) + +#define RMI_ABI_MAJOR_VERSION 1 +#define RMI_ABI_MINOR_VERSION 0 + +#define RMI_UNASSIGNED 0 +#define RMI_DESTROYED 1 +#define RMI_ASSIGNED 2 +#define RMI_TABLE 3 +#define RMI_VALID_NS 4 + +#define RMI_ABI_VERSION_GET_MAJOR(version) ((version) >> 16) +#define RMI_ABI_VERSION_GET_MINOR(version) ((version) & 0xFFFF) + +#define RMI_RETURN_STATUS(ret) ((ret) & 0xFF) +#define RMI_RETURN_INDEX(ret) (((ret) >> 8) & 0xFF) + +#define RMI_SUCCESS 0 +#define RMI_ERROR_INPUT 1 +#define RMI_ERROR_REALM 2 +#define RMI_ERROR_REC 3 +#define RMI_ERROR_RTT 4 +#define RMI_ERROR_IN_USE 5 + +#define RMI_EMPTY 0 +#define RMI_RAM 1 + +#define RMI_NO_MEASURE_CONTENT 0 +#define RMI_MEASURE_CONTENT 1 + +#define RMI_FEATURE_REGISTER_0_S2SZ GENMASK(7, 0) +#define RMI_FEATURE_REGISTER_0_LPA2 BIT(8) +#define RMI_FEATURE_REGISTER_0_SVE_EN BIT(9) +#define RMI_FEATURE_REGISTER_0_SVE_VL GENMASK(13, 10) +#define RMI_FEATURE_REGISTER_0_NUM_BPS GENMASK(17, 14) +#define RMI_FEATURE_REGISTER_0_NUM_WPS GENMASK(21, 18) +#define RMI_FEATURE_REGISTER_0_PMU_EN BIT(22) +#define RMI_FEATURE_REGISTER_0_PMU_NUM_CTRS GENMASK(27, 23) +#define RMI_FEATURE_REGISTER_0_HASH_SHA_256 BIT(28) +#define RMI_FEATURE_REGISTER_0_HASH_SHA_512 BIT(29) + +struct realm_params { + union { + u64 features_0; + u8 padding_1[0x100]; + }; + union { + u8 measurement_algo; + u8 padding_2[0x300]; + }; + union { + u8 rpv[64]; + u8 padding_3[0x400]; + }; + union { + struct { + u16 vmid; + u8 padding_4[6]; + u64 rtt_base; + u64 rtt_level_start; + u32 rtt_num_start; + }; + u8 padding_5[0x800]; + }; +}; + +/* + * The number of GPRs (starting from X0) that are + * configured by the host when a REC is created. + */ +#define REC_CREATE_NR_GPRS 8 + +#define REC_PARAMS_FLAG_RUNNABLE BIT_ULL(0) + +#define REC_PARAMS_AUX_GRANULES 16 + +struct rec_params { + union { + u64 flags; + u8 padding1[0x100]; + }; + union { + u64 mpidr; + u8 padding2[0x100]; + }; + union { + u64 pc; + u8 padding3[0x100]; + }; + union { + u64 gprs[REC_CREATE_NR_GPRS]; + u8 padding4[0x500]; + }; + u64 num_rec_aux; + u64 aux[REC_PARAMS_AUX_GRANULES]; +}; + +#define RMI_EMULATED_MMIO BIT(0) +#define RMI_INJECT_SEA BIT(1) +#define RMI_TRAP_WFI BIT(2) +#define RMI_TRAP_WFE BIT(3) + +#define REC_RUN_GPRS 31 +#define REC_GIC_NUM_LRS 16 + +struct rec_entry { + union { /* 0x000 */ + u64 flags; + u8 padding0[0x200]; + }; + union { /* 0x200 */ + u64 gprs[REC_RUN_GPRS]; + u8 padding2[0x100]; + }; + union { /* 0x300 */ + struct { + u64 gicv3_hcr; + u64 gicv3_lrs[REC_GIC_NUM_LRS]; + }; + u8 padding3[0x100]; + }; + u8 padding4[0x400]; +}; + +struct rec_exit { + union { /* 0x000 */ + u8 exit_reason; + u8 padding0[0x100]; + }; + union { /* 0x100 */ + struct { + u64 esr; + u64 far; + u64 hpfar; + }; + u8 padding1[0x100]; + }; + union { /* 0x200 */ + u64 gprs[REC_RUN_GPRS]; + u8 padding2[0x100]; + }; + union { /* 0x300 */ + struct { + u64 gicv3_hcr; + u64 gicv3_lrs[REC_GIC_NUM_LRS]; + u64 gicv3_misr; + u64 gicv3_vmcr; + }; + u8 padding3[0x100]; + }; + union { /* 0x400 */ + struct { + u64 cntp_ctl; + u64 cntp_cval; + u64 cntv_ctl; + u64 cntv_cval; + }; + u8 padding4[0x100]; + }; + union { /* 0x500 */ + struct { + u64 ripas_base; + u64 ripas_size; + u64 ripas_value; /* Only lowest bit */ + }; + u8 padding5[0x100]; + }; + union { /* 0x600 */ + u16 imm; + u8 padding6[0x100]; + }; + union { /* 0x700 */ + struct { + u64 pmu_ovf; + u64 pmu_intr_en; + u64 pmu_cntr_en; + }; + u8 padding7[0x100]; + }; +}; + +struct rec_run { + struct rec_entry entry; + struct rec_exit exit; +}; + +#define RMI_EXIT_SYNC 0x00 +#define RMI_EXIT_IRQ 0x01 +#define RMI_EXIT_FIQ 0x02 +#define RMI_EXIT_PSCI 0x03 +#define RMI_EXIT_RIPAS_CHANGE 0x04 +#define RMI_EXIT_HOST_CALL 0x05 +#define RMI_EXIT_SERROR 0x06 + +#endif