diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_sriov_pf_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_sriov_pf_debugfs.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_sriov_pf_debugfs.c b/drivers/gpu/drm/xe/xe_sriov_pf_debugfs.c index 5e5ffafc61a4..bad751217e1e 100644 --- a/drivers/gpu/drm/xe/xe_sriov_pf_debugfs.c +++ b/drivers/gpu/drm/xe/xe_sriov_pf_debugfs.c @@ -284,6 +284,33 @@ static const struct file_operations data_vf_fops = { .llseek = default_llseek, }; +static ssize_t size_read(struct file *file, char __user *ubuf, size_t count, loff_t *ppos) +{ + struct dentry *dent = file_dentry(file)->d_parent; + struct xe_device *xe = extract_xe(dent); + unsigned int vfid = extract_vfid(dent); + char buf[21]; + ssize_t ret; + int len; + + xe_pm_runtime_get(xe); + ret = xe_sriov_pf_migration_size(xe, vfid); + xe_pm_runtime_put(xe); + if (ret < 0) + return ret; + + len = scnprintf(buf, sizeof(buf), "%zd\n", ret); + + return simple_read_from_buffer(ubuf, count, ppos, buf, len); +} + +static const struct file_operations size_vf_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = size_read, + .llseek = default_llseek, +}; + static void pf_populate_vf(struct xe_device *xe, struct dentry *vfdent) { debugfs_create_file("pause", 0200, vfdent, xe, &pause_vf_fops); @@ -293,6 +320,7 @@ static void pf_populate_vf(struct xe_device *xe, struct dentry *vfdent) debugfs_create_file("save", 0600, vfdent, xe, &save_vf_fops); debugfs_create_file("restore", 0600, vfdent, xe, &restore_vf_fops); debugfs_create_file("migration_data", 0600, vfdent, xe, &data_vf_fops); + debugfs_create_file("migration_size", 0400, vfdent, xe, &size_vf_fops); } static void pf_populate_with_tiles(struct xe_device *xe, struct dentry *dent, unsigned int vfid) |