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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4801e86c00esm256288795e9.2.2026.01.20.10.39.46 for (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 20 Jan 2026 10:39:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1768934388; x=1769539188; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=wGGJfg7cdndkR9NDz3LfOfgo5mhBYtHV0xGydFpvfG8=; b=C+PiqdzFCzMNUE7mVu8EPEKgaXdds+kjK9kK87/9UdsV+cCMzMXFVCLf10TT4IfMVJ P3Wfq6h372MS3VgcEGm7EuQbJDsOpyxrRgmnTcMWHCPWigwf8mR3KHb0lyvqJ3ou0Ywn kxNDRfTL3I5PySc8+q637dv0qMKRlES/M17bVJGgxp/0DMrKmJT30w+8z2+IMhZdilo8 1b0FSLaZWEqnfXD8OSASV+q87DogWD8xllK7PjJPbvtb/xgK7dzeAEBpGEQeB50+vgTg 8iI9RMlckSL0GUqfu4hu7fnX+bDxnAPl2P4IsmO19eF8G3OsUQpHTgSBfCcoksUuJrDq fvSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768934388; x=1769539188; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=wGGJfg7cdndkR9NDz3LfOfgo5mhBYtHV0xGydFpvfG8=; b=IfNioW3PQTCzQ22ksSuyxXXwAEbCJe6718uZQwQpzba3w5EOeP9qS4RLW/zxUsy4HE KXlnHBNmFls5hrooJ2KaD0W1+wXQBbEe16kK7RIWlwD2t2zc7cF9qXKQ1tTHjFKgP6dq 7i0+taqTHSZHjiADj3nRLtCEQuYo6DYZrqlujyN6XzgyNFzQvCFU07AF1ToGE+JCI3fh sji18fdRY3umXXg2FKzHWemREGFPZV9w/dUmmyLNhMiT8B0iat4ndZVJiDwdjTldCqB/ 7NLwpjj+4xwLsMoxgPEP+AeasMvKcSkHmiPNvuK8k1RVXD2/PYJjr2T2QD9X8CP7Mbg1 vHBQ== X-Gm-Message-State: AOJu0YwFc8ClIVOUjuBZIxTZd+IfJI+OzLK2dr2/sP60HD7bp0pUTweG cuCC8WLq8e7QFpLcy8T8HuHRz3Xr8bvlDd9bwc+7lcETQ0nLNxauv5Pkzqea81cFK/RcSViogwK sBQ6zhYI= X-Gm-Gg: AY/fxX6OMb0T989Hb88E5mhsMtMz5sdslDTFLj1dndvZjJPy9dacTcMjJuxr58QNXde kCN03O1l9ZIdeMe5CRlu++dHrRYHOB04oeWl+guNcMwxH8bayvk4ptD+2A6lLQnqIcX8HrqlXzX o5i/6C7gp3OpRL1/e0FlXuJWkpVSd9t4R2Q1VMIDuzNABkgZZMgg8ba7zc0WSmrMCraWFovOdhs SlHIPx88VdMIDTEaIdy3x0EzIVKiCRYJB7Cyw1kYt5mcPJS1pUpy+r9flTLAfN8jLGnUMHjFlji xcViyF3NVpBBTRkGaQJIIk6xaDmAlCMhCv8HYiQPaCoBTzliCF3V+d/n5zi+rSK+nTY0E1F82rk F6cn8rniRctollEEvdV1zXIJZr11wp6G2/ni/maSleksYWFBztLOMI2g/tWANyEM2UGL3KV/poK ovRYxh6XecVI+vDPuUCONNSJM3746bHIFug3m+C/VvtGcg3pj28C+7fEhM23m4 X-Received: by 2002:a05:600c:4e05:b0:45d:d97c:236c with SMTP id 5b1f17b1804b1-480416867d8mr19644505e9.21.1768934387889; Tue, 20 Jan 2026 10:39:47 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 06/29] tests/qtest: Add libqos iommu-testdev helpers Date: Tue, 20 Jan 2026 19:38:39 +0100 Message-ID: <20260120183902.73845-7-philmd@linaro.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260120183902.73845-1-philmd@linaro.org> References: <20260120183902.73845-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::332; envelope-from=philmd@linaro.org; helo=mail-wm1-x332.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1768934470732154100 From: Tao Tang Introduce a libqos helper module for the iommu-testdev device used by qtests. This module provides some common functions to all IOMMU test cases using iommu-testdev. Wire the new sources into tests/qtest/libqos/meson.build so they are built as part of the qtest support library. Signed-off-by: Tao Tang Message-ID: <20260119161112.3841386-7-tangtao1634@phytium.com.cn> Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- MAINTAINERS | 5 ++ tests/qtest/libqos/qos-iommu-testdev.h | 43 ++++++++++++++ tests/qtest/libqos/qos-iommu-testdev.c | 82 ++++++++++++++++++++++++++ tests/qtest/libqos/meson.build | 3 + 4 files changed, 133 insertions(+) create mode 100644 tests/qtest/libqos/qos-iommu-testdev.h create mode 100644 tests/qtest/libqos/qos-iommu-testdev.c diff --git a/MAINTAINERS b/MAINTAINERS index 63a04350fb0..cc219e39b98 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3578,6 +3578,11 @@ F: docs/devel/testing/qtest.rst X: tests/qtest/bios-tables-test* X: tests/qtest/migration-* =20 +QTest IOMMU helpers +M: Tao Tang +S: Maintained +F: tests/qtest/libqos/qos-iommu* + Device Fuzzing M: Alexander Bulekov R: Paolo Bonzini diff --git a/tests/qtest/libqos/qos-iommu-testdev.h b/tests/qtest/libqos/qo= s-iommu-testdev.h new file mode 100644 index 00000000000..3713b89ea4c --- /dev/null +++ b/tests/qtest/libqos/qos-iommu-testdev.h @@ -0,0 +1,43 @@ +/* + * IOMMU test device helpers for libqos qtests + * + * Copyright (c) 2026 Phytium Technology + * + * Author: + * Tao Tang + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef QTEST_LIBQOS_IOMMU_TESTDEV_H +#define QTEST_LIBQOS_IOMMU_TESTDEV_H + +#include "pci.h" +#include "hw/misc/iommu-testdev.h" + +typedef uint32_t (*QOSIOMMUTestdevSetupFn)(void *opaque); +typedef uint32_t (*QOSIOMMUTestdevAttrsFn)(void *opaque); +typedef bool (*QOSIOMMUTestdevValidateFn)(void *opaque); +typedef void (*QOSIOMMUTestdevReportFn)(void *opaque, uint32_t dma_result); + +typedef struct QOSIOMMUTestdevDmaCfg { + QPCIDevice *dev; + QPCIBar bar; + uint64_t iova; + uint64_t gpa; + uint32_t len; +} QOSIOMMUTestdevDmaCfg; + +uint32_t qos_iommu_testdev_trigger_dma(QPCIDevice *dev, QPCIBar bar, + uint64_t iova, uint64_t gpa, + uint32_t len, uint32_t attrs); + +void qos_iommu_testdev_single_translation(const QOSIOMMUTestdevDmaCfg *dma, + void *opaque, + QOSIOMMUTestdevSetupFn setup_fn, + QOSIOMMUTestdevAttrsFn attrs_fn, + QOSIOMMUTestdevValidateFn valida= te_fn, + QOSIOMMUTestdevReportFn report_f= n, + uint32_t *dma_result_out); + +#endif /* QTEST_LIBQOS_IOMMU_TESTDEV_H */ diff --git a/tests/qtest/libqos/qos-iommu-testdev.c b/tests/qtest/libqos/qo= s-iommu-testdev.c new file mode 100644 index 00000000000..91718a56738 --- /dev/null +++ b/tests/qtest/libqos/qos-iommu-testdev.c @@ -0,0 +1,82 @@ +/* + * IOMMU test device helpers for libqos qtests + * + * Copyright (c) 2026 Phytium Technology + * + * Author: + * Tao Tang + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "../libqtest.h" +#include "pci.h" +#include "qos-iommu-testdev.h" + +uint32_t qos_iommu_testdev_trigger_dma(QPCIDevice *dev, QPCIBar bar, + uint64_t iova, uint64_t gpa, + uint32_t len, uint32_t attrs) +{ + uint32_t result =3D ITD_DMA_RESULT_BUSY; + + qpci_io_writel(dev, bar, ITD_REG_DMA_GVA_LO, (uint32_t)iova); + qpci_io_writel(dev, bar, ITD_REG_DMA_GVA_HI, (uint32_t)(iova >> 32)); + qpci_io_writel(dev, bar, ITD_REG_DMA_GPA_LO, (uint32_t)gpa); + qpci_io_writel(dev, bar, ITD_REG_DMA_GPA_HI, (uint32_t)(gpa >> 32)); + qpci_io_writel(dev, bar, ITD_REG_DMA_LEN, len); + qpci_io_writel(dev, bar, ITD_REG_DMA_ATTRS, attrs); + + qpci_io_writel(dev, bar, ITD_REG_DMA_DBELL, ITD_DMA_DBELL_ARM); + qpci_io_readl(dev, bar, ITD_REG_DMA_TRIGGERING); + + for (int i =3D 0; i < 1000; i++) { + result =3D qpci_io_readl(dev, bar, ITD_REG_DMA_RESULT); + if (result !=3D ITD_DMA_RESULT_BUSY) { + break; + } + g_usleep(1000); + } + + if (result =3D=3D ITD_DMA_RESULT_BUSY) { + return ITD_DMA_ERR_TX_FAIL; + } + + return result; +} + +void qos_iommu_testdev_single_translation(const QOSIOMMUTestdevDmaCfg *dma, + void *opaque, + QOSIOMMUTestdevSetupFn setup_fn, + QOSIOMMUTestdevAttrsFn attrs_fn, + QOSIOMMUTestdevValidateFn valida= te_fn, + QOSIOMMUTestdevReportFn report_f= n, + uint32_t *dma_result_out) +{ + uint32_t config_result; + uint32_t dma_result; + uint32_t attrs_val; + + g_assert(dma); + g_assert(setup_fn); + g_assert(attrs_fn); + + config_result =3D setup_fn(opaque); + g_assert_cmpuint(config_result, =3D=3D, 0); + + attrs_val =3D attrs_fn(opaque); + dma_result =3D qos_iommu_testdev_trigger_dma(dma->dev, dma->bar, + dma->iova, dma->gpa, + dma->len, attrs_val); + if (dma_result_out) { + *dma_result_out =3D dma_result; + } + + if (report_fn) { + report_fn(opaque, dma_result); + } + + if (validate_fn) { + g_assert_true(validate_fn(opaque)); + } +} diff --git a/tests/qtest/libqos/meson.build b/tests/qtest/libqos/meson.build index 1ddaf7b095b..9805d63a290 100644 --- a/tests/qtest/libqos/meson.build +++ b/tests/qtest/libqos/meson.build @@ -60,6 +60,9 @@ libqos_srcs =3D files( 'x86_64_pc-machine.c', 'riscv-virt-machine.c', 'loongarch-virt-machine.c', + + # SMMU: + 'qos-iommu-testdev.c', ) =20 if have_virtfs --=20 2.52.0