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drm/xe/pf: Remove GuC migration data save/restore from GT debugfs

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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.

Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-14-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
This commit is contained in:
Michał Winiarski
2025-11-12 14:22:09 +01:00
parent d608fbf400
commit cea084e898
1 changed files with 0 additions and 47 deletions
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47
drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c
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@@ -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);