diff options
Diffstat (limited to 'drivers/accel/ivpu/ivpu_debugfs.c')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_debugfs.c | 93 |
1 files changed, 91 insertions, 2 deletions
diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c index 8180b95ed69d..f0dad0c9ce33 100644 --- a/drivers/accel/ivpu/ivpu_debugfs.c +++ b/drivers/accel/ivpu/ivpu_debugfs.c @@ -4,6 +4,7 @@ */ #include <linux/debugfs.h> +#include <linux/fault-inject.h> #include <drm/drm_debugfs.h> #include <drm/drm_file.h> @@ -331,7 +332,7 @@ ivpu_force_recovery_fn(struct file *file, const char __user *user_buf, size_t si return -EINVAL; ret = ivpu_rpm_get(vdev); - if (ret) + if (ret < 0) return ret; ivpu_pm_trigger_recovery(vdev, "debugfs"); @@ -382,7 +383,7 @@ static int dct_active_set(void *data, u64 active_percent) return -EINVAL; ret = ivpu_rpm_get(vdev); - if (ret) + if (ret < 0) return ret; if (active_percent) @@ -397,6 +398,88 @@ static int dct_active_set(void *data, u64 active_percent) DEFINE_DEBUGFS_ATTRIBUTE(ivpu_dct_fops, dct_active_get, dct_active_set, "%llu\n"); +static int priority_bands_show(struct seq_file *s, void *v) +{ + struct ivpu_device *vdev = s->private; + struct ivpu_hw_info *hw = vdev->hw; + + for (int band = VPU_JOB_SCHEDULING_PRIORITY_BAND_IDLE; + band < VPU_JOB_SCHEDULING_PRIORITY_BAND_COUNT; band++) { + switch (band) { + case VPU_JOB_SCHEDULING_PRIORITY_BAND_IDLE: + seq_puts(s, "Idle: "); + break; + + case VPU_JOB_SCHEDULING_PRIORITY_BAND_NORMAL: + seq_puts(s, "Normal: "); + break; + + case VPU_JOB_SCHEDULING_PRIORITY_BAND_FOCUS: + seq_puts(s, "Focus: "); + break; + + case VPU_JOB_SCHEDULING_PRIORITY_BAND_REALTIME: + seq_puts(s, "Realtime: "); + break; + } + + seq_printf(s, "grace_period %9u process_grace_period %9u process_quantum %9u\n", + hw->hws.grace_period[band], hw->hws.process_grace_period[band], + hw->hws.process_quantum[band]); + } + + return 0; +} + +static int priority_bands_fops_open(struct inode *inode, struct file *file) +{ + return single_open(file, priority_bands_show, inode->i_private); +} + +static ssize_t +priority_bands_fops_write(struct file *file, const char __user *user_buf, size_t size, loff_t *pos) +{ + struct seq_file *s = file->private_data; + struct ivpu_device *vdev = s->private; + char buf[64]; + u32 grace_period; + u32 process_grace_period; + u32 process_quantum; + u32 band; + int ret; + + if (size >= sizeof(buf)) + return -EINVAL; + + ret = simple_write_to_buffer(buf, sizeof(buf) - 1, pos, user_buf, size); + if (ret < 0) + return ret; + + buf[size] = '\0'; + ret = sscanf(buf, "%u %u %u %u", &band, &grace_period, &process_grace_period, + &process_quantum); + if (ret != 4) + return -EINVAL; + + if (band >= VPU_JOB_SCHEDULING_PRIORITY_BAND_COUNT) + return -EINVAL; + + vdev->hw->hws.grace_period[band] = grace_period; + vdev->hw->hws.process_grace_period[band] = process_grace_period; + vdev->hw->hws.process_quantum[band] = process_quantum; + + return size; +} + +static const struct file_operations ivpu_hws_priority_bands_fops = { + .owner = THIS_MODULE, + .open = priority_bands_fops_open, + .write = priority_bands_fops_write, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + void ivpu_debugfs_init(struct ivpu_device *vdev) { struct dentry *debugfs_root = vdev->drm.debugfs_root; @@ -419,6 +502,8 @@ void ivpu_debugfs_init(struct ivpu_device *vdev) &fw_trace_hw_comp_mask_fops); debugfs_create_file("fw_trace_level", 0200, debugfs_root, vdev, &fw_trace_level_fops); + debugfs_create_file("hws_priority_bands", 0200, debugfs_root, vdev, + &ivpu_hws_priority_bands_fops); debugfs_create_file("reset_engine", 0200, debugfs_root, vdev, &ivpu_reset_engine_fops); @@ -430,4 +515,8 @@ void ivpu_debugfs_init(struct ivpu_device *vdev) debugfs_root, vdev, &fw_profiling_freq_fops); debugfs_create_file("dct", 0644, debugfs_root, vdev, &ivpu_dct_fops); } + +#ifdef CONFIG_FAULT_INJECTION + fault_create_debugfs_attr("fail_hw", debugfs_root, &ivpu_hw_failure); +#endif } |