[PATCH] tests/intel/xe_vm_create: Check negative cases for vm_create ioctl

[Gurram, Pravalika]

> -----Original Message-----
> From: Piecielska, Katarzyna <katarzyna.piecielska at intel.com>
> Sent: Friday, December 13, 2024 2:40 PM
> To: Gurram, Pravalika <pravalika.gurram at intel.com>; igt-
> dev at lists.freedesktop.org
> Cc: Gurram, Pravalika <pravalika.gurram at intel.com>
> Subject: RE: [PATCH] tests/intel/xe_vm_create: Check negative cases for
> vm_create ioctl
> 
> Negative test to check vm_create ioctl returns expected error when invalid
> flags, extensions, reserved  param is used.
> 
> Signed-off-by: Pravalika Gurram <pravalika.gurram at intel.com>
> ---
>  tests/intel/xe_vm_create.c | 104 +++++++++++++++++++++++++++++++++++++
>  tests/meson.build          |   1 +
>  2 files changed, 105 insertions(+)
>  create mode 100644 tests/intel/xe_vm_create.c
> 
> (Kasia) We have binary tests/intel/xe_vm.c - in my opinion this new test should
> go there instead of creating new binary.
> 
xe_vm.c is using to validate the "DRM_IOCTL_XE_VM_BIND" ioctl
below subtest which doing negative test is using VM_BIND
hence I have created new file bind_flag_invalid(fd);

> diff --git a/tests/intel/xe_vm_create.c b/tests/intel/xe_vm_create.c new file
> mode 100644 index 000000000..2430e6739
> --- /dev/null
> +++ b/tests/intel/xe_vm_create.c
> @@ -0,0 +1,104 @@
> +// SPDX-License-Identifier: MIT
> +/*
> + * Copyright © 2024 Intel Corporation
> + */
> +
> +#include "igt.h"
> +#include "xe_drm.h"
> +
> +/**
> + * TEST: Negative test for vm create ioctl
> + * Category: Core
> + * Mega feature: General Core features
> + * Sub-category: Synchronization
> + * Functionality: vm create
> + * Test category: negative test
> + */
> +
> +/**
> + * SUBTEST: invalid-flag-%s
> + * Description:  function %arg[1] used in vm create IOCTL to make it
> +fail
> + * Functionality: fault
> + *
> + * arg[1]:
> + * @xe_vm_create_fault:  xe_vm_create_fault
> + * @xe_vm_create_scrach_fault: xe_vm_create_scrach_fault
> + * @xe_vm_create_scrach_fault_lr:    xe_vm_create_scrach_fault_lr
> + */
> +
> +static void invalid_flag(int fd, __u32 flags) {
> +	struct drm_xe_vm_create create = {
> +		.flags = flags,
> +	};
> +
> +	do_ioctl_err(fd, DRM_IOCTL_XE_VM_CREATE, &create, EINVAL);
> +
> +}
> +
> +/**
> + * SUBTEST: invalid-extensions
> + * Description: Check query with invalid extensions returns expected
> +error code
> + *
> + * SUBTEST: invalid-reserved
> + * Description: Check query with invalid reserved value returns
> +expected error code  */
> +
> +static void inavlid_extensions(int fd)
> I believe we have typo here ^ s/inavlid/invalid/
> +{
> +	struct drm_xe_vm_create create = {
> +		.extensions = -1,
> +	};
> +
> +	do_ioctl_err(fd, DRM_IOCTL_XE_VM_CREATE, &create, EINVAL);
> +
> +}
> +
> +static void inavlid_reserved(int fd)
> I believe we have typo here ^ s/inavlid/invalid/
> +{
> +	struct drm_xe_vm_create create = {
> +		.reserved[0] = 0xffff,
> +	};
> +
> +	do_ioctl_err(fd, DRM_IOCTL_XE_VM_CREATE, &create, EINVAL);
> +
> +}
> +
> +igt_main
> +{
> +	int fd;
> +
> +	const struct section {
> +		const char *name;
> +		__u32 flags;
> +	} vm_create_flags_fail_functions[] = {
> +		{ "xe_vm_create_fault",
> DRM_XE_VM_CREATE_FLAG_FAULT_MODE },
> +		{ "xe_vm_create_scrach_fault",
> +			DRM_XE_VM_CREATE_FLAG_SCRATCH_PAGE |
> +			DRM_XE_VM_CREATE_FLAG_FAULT_MODE },
> +		{ "xe_vm_create_scrach_fault_lr",
> +			~(DRM_XE_VM_CREATE_FLAG_LR_MODE |
> +			DRM_XE_VM_CREATE_FLAG_SCRATCH_PAGE |
> +			DRM_XE_VM_CREATE_FLAG_FAULT_MODE) },
> +		{ }
> +	};
> +
> +	igt_fixture
> +		fd = drm_open_driver(DRIVER_XE);
> +
> +	for (const struct section *s = vm_create_flags_fail_functions; s->name;
> s++) {
> +		igt_subtest_f("invalid-flag-%s", s->name)
> +			invalid_flag(fd, s->flags);
> +	}
> +
> +	igt_subtest("invalid-extensions")
> +			inavlid_extensions(fd);
> I believe we have typo here ^ s/inavlid/invalid/
> +
> +	igt_subtest("invalid-reserved")
> +			inavlid_reserved(fd);
> I believe we have typo here ^ s/inavlid/invalid/
> +
> +	igt_fixture {
> +		drm_close_driver(fd);
> +	}
> +
> +}
> diff --git a/tests/meson.build b/tests/meson.build index 2724c7a9a..fb9fc75d8
> 100644
> --- a/tests/meson.build
> +++ b/tests/meson.build
> @@ -321,6 +321,7 @@ intel_xe_progs = [
>  	'xe_sysfs_scheduler',
>          'xe_sysfs_timeslice_duration',
>          'xe_tlb',
> +        'xe_vm_create',
>  ]
> 
>  intel_xe_eudebug_progs = [
> --
> 2.34.1