Commit 20e3aa50 authored by Michal Wajdeczko's avatar Michal Wajdeczko
Browse files

drm/xe/pf: Allow to trigger VF GuC state restore from debugfs 



For feature enabling and testing purposes, allow to restore saved
or replaced VF GuC state from debugfs, bypassing normal migration
flow. This is available only under strict debug config.

Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Tomasz Lis <tomasz.lis@intel.com>
Reviewed-by: default avatarMichał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240912203817.1880-7-michal.wajdeczko@intel.com
parent d620448f

drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c

+3 −0
Original line number Diff line number Diff line
@@ -313,6 +313,9 @@ static const struct { 
	{ "stop", xe_gt_sriov_pf_control_stop_vf },

	{ "pause", xe_gt_sriov_pf_control_pause_vf },

	{ "resume", xe_gt_sriov_pf_control_resume_vf },

#ifdef CONFIG_DRM_XE_DEBUG_SRIOV

	{ "restore!", xe_gt_sriov_pf_migration_restore_guc_state },

#endif

};



static ssize_t control_write(struct file *file, const char __user *buf, size_t count, loff_t *pos)