From f4cdf7ca9a1fdcca413157df19753f388a5a224e Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 19 Aug 2026 10:09:22 -0700 Subject: Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... --- drivers/firewire/uapi-test.c | 90 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 drivers/firewire/uapi-test.c (limited to 'drivers/firewire/uapi-test.c') diff --git a/drivers/firewire/uapi-test.c b/drivers/firewire/uapi-test.c new file mode 100644 index 000000000..bc3f10a2e --- /dev/null +++ b/drivers/firewire/uapi-test.c @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// uapi_test.c - An application of Kunit to check layout of structures exposed to user space for +// FireWire subsystem. +// +// Copyright (c) 2023 Takashi Sakamoto + +#include +#include + +// Known issue added at v2.6.27 kernel. +static void structure_layout_event_response(struct kunit *test) +{ +#if defined(CONFIG_X86_32) + // 4 bytes alignment for aggregate type including 8 bytes storage types. + KUNIT_EXPECT_EQ(test, 20, sizeof(struct fw_cdev_event_response)); +#else + // 8 bytes alignment for aggregate type including 8 bytes storage types. + KUNIT_EXPECT_EQ(test, 24, sizeof(struct fw_cdev_event_response)); +#endif + + KUNIT_EXPECT_EQ(test, 0, offsetof(struct fw_cdev_event_response, closure)); + KUNIT_EXPECT_EQ(test, 8, offsetof(struct fw_cdev_event_response, type)); + KUNIT_EXPECT_EQ(test, 12, offsetof(struct fw_cdev_event_response, rcode)); + KUNIT_EXPECT_EQ(test, 16, offsetof(struct fw_cdev_event_response, length)); + KUNIT_EXPECT_EQ(test, 20, offsetof(struct fw_cdev_event_response, data)); +} + +// Added at v6.5. +static void structure_layout_event_request3(struct kunit *test) +{ + KUNIT_EXPECT_EQ(test, 56, sizeof(struct fw_cdev_event_request3)); + + KUNIT_EXPECT_EQ(test, 0, offsetof(struct fw_cdev_event_request3, closure)); + KUNIT_EXPECT_EQ(test, 8, offsetof(struct fw_cdev_event_request3, type)); + KUNIT_EXPECT_EQ(test, 12, offsetof(struct fw_cdev_event_request3, tcode)); + KUNIT_EXPECT_EQ(test, 16, offsetof(struct fw_cdev_event_request3, offset)); + KUNIT_EXPECT_EQ(test, 24, offsetof(struct fw_cdev_event_request3, source_node_id)); + KUNIT_EXPECT_EQ(test, 28, offsetof(struct fw_cdev_event_request3, destination_node_id)); + KUNIT_EXPECT_EQ(test, 32, offsetof(struct fw_cdev_event_request3, card)); + KUNIT_EXPECT_EQ(test, 36, offsetof(struct fw_cdev_event_request3, generation)); + KUNIT_EXPECT_EQ(test, 40, offsetof(struct fw_cdev_event_request3, handle)); + KUNIT_EXPECT_EQ(test, 44, offsetof(struct fw_cdev_event_request3, length)); + KUNIT_EXPECT_EQ(test, 48, offsetof(struct fw_cdev_event_request3, tstamp)); + KUNIT_EXPECT_EQ(test, 56, offsetof(struct fw_cdev_event_request3, data)); +} + +// Added at v6.5. +static void structure_layout_event_response2(struct kunit *test) +{ + KUNIT_EXPECT_EQ(test, 32, sizeof(struct fw_cdev_event_response2)); + + KUNIT_EXPECT_EQ(test, 0, offsetof(struct fw_cdev_event_response2, closure)); + KUNIT_EXPECT_EQ(test, 8, offsetof(struct fw_cdev_event_response2, type)); + KUNIT_EXPECT_EQ(test, 12, offsetof(struct fw_cdev_event_response2, rcode)); + KUNIT_EXPECT_EQ(test, 16, offsetof(struct fw_cdev_event_response2, length)); + KUNIT_EXPECT_EQ(test, 20, offsetof(struct fw_cdev_event_response2, request_tstamp)); + KUNIT_EXPECT_EQ(test, 24, offsetof(struct fw_cdev_event_response2, response_tstamp)); + KUNIT_EXPECT_EQ(test, 32, offsetof(struct fw_cdev_event_response2, data)); +} + +// Added at v6.5. +static void structure_layout_event_phy_packet2(struct kunit *test) +{ + KUNIT_EXPECT_EQ(test, 24, sizeof(struct fw_cdev_event_phy_packet2)); + + KUNIT_EXPECT_EQ(test, 0, offsetof(struct fw_cdev_event_phy_packet2, closure)); + KUNIT_EXPECT_EQ(test, 8, offsetof(struct fw_cdev_event_phy_packet2, type)); + KUNIT_EXPECT_EQ(test, 12, offsetof(struct fw_cdev_event_phy_packet2, rcode)); + KUNIT_EXPECT_EQ(test, 16, offsetof(struct fw_cdev_event_phy_packet2, length)); + KUNIT_EXPECT_EQ(test, 20, offsetof(struct fw_cdev_event_phy_packet2, tstamp)); + KUNIT_EXPECT_EQ(test, 24, offsetof(struct fw_cdev_event_phy_packet2, data)); +} + +static struct kunit_case structure_layout_test_cases[] = { + KUNIT_CASE(structure_layout_event_response), + KUNIT_CASE(structure_layout_event_request3), + KUNIT_CASE(structure_layout_event_response2), + KUNIT_CASE(structure_layout_event_phy_packet2), + {} +}; + +static struct kunit_suite structure_layout_test_suite = { + .name = "firewire-uapi-structure-layout", + .test_cases = structure_layout_test_cases, +}; +kunit_test_suite(structure_layout_test_suite); + +MODULE_DESCRIPTION("FireWire UAPI unit test suite"); +MODULE_LICENSE("GPL"); -- cgit v1.3.1