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

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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: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Tomasz Lis <tomasz.lis@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240912203817.1880-7-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko
2024-09-12 22:38:17 +02:00
parent d620448fb5
commit 20e3aa503f
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c
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@@ -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)