On Wed, Nov 12, 2025 at 02:22:09PM +0100, Michał Winiarski wrote: > In upcoming changes, SR-IOV VF migration data will be extended beyond > GuC data and exported to userspace using VFIO interface (with a > vendor-specific variant driver) and a device-level debugfs interface. > Remove the GT-level debugfs.
Perhaps this should be retained while we don't have the xe-vfio? > > Signed-off-by: Michał Winiarski <[email protected]> > Reviewed-by: Michal Wajdeczko <[email protected]> > --- > drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c | 47 --------------------- > 1 file changed, 47 deletions(-) > > diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c > b/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c > index 838beb7f6327f..5278ea4fd6552 100644 > --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c > +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c > @@ -327,9 +327,6 @@ 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) > @@ -393,47 +390,6 @@ static const struct file_operations control_ops = { > .llseek = default_llseek, > }; > > -/* > - * /sys/kernel/debug/dri/BDF/ > - * ├── sriov > - * : ├── vf1 > - * : ├── tile0 > - * : ├── gt0 > - * : ├── guc_state > - */ > - > -static ssize_t guc_state_read(struct file *file, char __user *buf, > - size_t count, loff_t *pos) > -{ > - struct dentry *dent = file_dentry(file); > - struct dentry *parent = dent->d_parent; > - struct xe_gt *gt = extract_gt(parent); > - unsigned int vfid = extract_vfid(parent); > - > - return xe_gt_sriov_pf_migration_read_guc_state(gt, vfid, buf, count, > pos); > -} > - > -static ssize_t guc_state_write(struct file *file, const char __user *buf, > - size_t count, loff_t *pos) > -{ > - struct dentry *dent = file_dentry(file); > - struct dentry *parent = dent->d_parent; > - struct xe_gt *gt = extract_gt(parent); > - unsigned int vfid = extract_vfid(parent); > - > - if (*pos) > - return -EINVAL; > - > - return xe_gt_sriov_pf_migration_write_guc_state(gt, vfid, buf, count); > -} > - > -static const struct file_operations guc_state_ops = { > - .owner = THIS_MODULE, > - .read = guc_state_read, > - .write = guc_state_write, > - .llseek = default_llseek, > -}; > - > /* > * /sys/kernel/debug/dri/BDF/ > * ├── sriov > @@ -568,9 +524,6 @@ static void pf_populate_gt(struct xe_gt *gt, struct > dentry *dent, unsigned int v > > /* for testing/debugging purposes only! */ > if (IS_ENABLED(CONFIG_DRM_XE_DEBUG)) { > - debugfs_create_file("guc_state", > - > IS_ENABLED(CONFIG_DRM_XE_DEBUG_SRIOV) ? 0600 : 0400, > - dent, NULL, &guc_state_ops); > debugfs_create_file("config_blob", > > IS_ENABLED(CONFIG_DRM_XE_DEBUG_SRIOV) ? 0600 : 0400, > dent, NULL, &config_blob_ops); > -- > 2.51.2 >
