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Update this function to accept fault injection > parameters for better injection capabilities. > > Signed-off-by: Satyanarayana K V P > Cc: Michał Wajdeczko > Cc: Francois Dugast Reviewed-by: Francois Dugast > --- > tests/intel/xe_fault_injection.c | 42 +++++++++++++++++++++++++++----- > 1 file changed, 36 insertions(+), 6 deletions(-) > > diff --git a/tests/intel/xe_fault_injection.c b/tests/intel/xe_fault_injection.c > index 7ae941367..bc05515a8 100644 > --- a/tests/intel/xe_fault_injection.c > +++ b/tests/intel/xe_fault_injection.c > @@ -31,6 +31,17 @@ enum injection_list_action { > INJECTION_LIST_REMOVE, > }; > > +struct fault_injection_params { > + /* @probability: Likelihood of failure injection, in percent. */ > + uint32_t probability; > + /* @interval: Specifies the interval between failures */ > + uint32_t interval; > + /* @times: Specifies how many times failures may happen at most */ > + int32_t times; > + /* @space: Specifies an initial resource "budget", decremented by "size" */ > + uint32_t space; > +}; > + > static int fail_function_open(void) > { > int debugfs_fail_function_dir_fd; > @@ -117,21 +128,40 @@ static void injection_list_do(enum injection_list_action action, const char func > close(dir); > } > > +/** > + * Default fault injection parameters which injects fault on first call to the > + * configured fail_function. > + */ > +static const struct fault_injection_params default_fault_params = { > + .probability = 100, > + .interval = 0, > + .times = -1, > + .space = 0 > +}; > + > /* > * See https://docs.kernel.org/fault-injection/fault-injection.html#application-examples > */ > -static void setup_injection_fault(void) > +static void setup_injection_fault(const struct fault_injection_params *fault_params) > { > int dir; > > + igt_assert(fault_params); > + igt_assert(fault_params->probability >= 0); > + igt_assert(fault_params->probability <= 100); > + > dir = fail_function_open(); > igt_assert_lte(0, dir); > > + igt_debug("probability = %d, interval = %d, times = %d, space = %u\n", > + fault_params->probability, fault_params->interval, > + fault_params->times, fault_params->space); > + > igt_assert_lte(0, igt_sysfs_printf(dir, "task-filter", "N")); > - igt_sysfs_set_u32(dir, "probability", 100); > - igt_sysfs_set_u32(dir, "interval", 0); > - igt_sysfs_set_s32(dir, "times", -1); > - igt_sysfs_set_u32(dir, "space", 0); > + igt_sysfs_set_u32(dir, "probability", fault_params->probability); > + igt_sysfs_set_u32(dir, "interval", fault_params->interval); > + igt_sysfs_set_s32(dir, "times", fault_params->times); > + igt_sysfs_set_u32(dir, "space", fault_params->space); > igt_sysfs_set_u32(dir, "verbose", 1); > > close(dir); > @@ -322,7 +352,7 @@ igt_main > igt_require(fail_function_injection_enabled()); > fd = drm_open_driver(DRIVER_XE); > igt_device_get_pci_slot_name(fd, pci_slot); > - setup_injection_fault(); > + setup_injection_fault(&default_fault_params); > } > > for (const struct section *s = vm_create_fail_functions; s->name; s++) > -- > 2.35.3 >