diff options
| author | Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> | 2023-05-24 10:48:45 +0300 |
|---|---|---|
| committer | Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> | 2023-07-07 10:33:23 +0300 |
| commit | 8f7fb1e21e603b9ffbb116a2ed933e34acb354fa (patch) | |
| tree | 5538f2d3b913aa73b7074f2e8a82ca77e57b0a7d /drivers/accel/ivpu/ivpu_debugfs.c | |
| parent | d4e4257afa6ed5205eda993180401fc2c20e4b60 (diff) | |
| download | linux-8f7fb1e21e603b9ffbb116a2ed933e34acb354fa.tar.xz | |
accel/ivpu: Add debugfs files for testing device reset
Add new debugfs files to validate device recovery functionality.
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230524074847.866711-4-stanislaw.gruszka@linux.intel.com
Diffstat (limited to 'drivers/accel/ivpu/ivpu_debugfs.c')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_debugfs.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c index a9180fae43b6..e2502d2b53c0 100644 --- a/drivers/accel/ivpu/ivpu_debugfs.c +++ b/drivers/accel/ivpu/ivpu_debugfs.c @@ -77,11 +77,31 @@ static int last_bootmode_show(struct seq_file *s, void *v) return 0; } +static int reset_counter_show(struct seq_file *s, void *v) +{ + struct drm_info_node *node = (struct drm_info_node *)s->private; + struct ivpu_device *vdev = to_ivpu_device(node->minor->dev); + + seq_printf(s, "%d\n", atomic_read(&vdev->pm->reset_counter)); + return 0; +} + +static int reset_pending_show(struct seq_file *s, void *v) +{ + struct drm_info_node *node = (struct drm_info_node *)s->private; + struct ivpu_device *vdev = to_ivpu_device(node->minor->dev); + + seq_printf(s, "%d\n", atomic_read(&vdev->pm->in_reset)); + return 0; +} + static const struct drm_info_list vdev_debugfs_list[] = { {"bo_list", bo_list_show, 0}, {"fw_trace_capability", fw_trace_capability_show, 0}, {"fw_trace_config", fw_trace_config_show, 0}, {"last_bootmode", last_bootmode_show, 0}, + {"reset_counter", reset_counter_show, 0}, + {"reset_pending", reset_pending_show, 0}, }; static int fw_log_show(struct seq_file *s, void *v) @@ -216,6 +236,24 @@ ivpu_reset_engine_fn(struct file *file, const char __user *user_buf, size_t size return size; } +static ssize_t +ivpu_force_recovery_fn(struct file *file, const char __user *user_buf, size_t size, loff_t *pos) +{ + struct ivpu_device *vdev = file->private_data; + + if (!size) + return -EINVAL; + + ivpu_pm_schedule_recovery(vdev); + return size; +} + +static const struct file_operations ivpu_force_recovery_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .write = ivpu_force_recovery_fn, +}; + static const struct file_operations ivpu_reset_engine_fops = { .owner = THIS_MODULE, .open = simple_open, @@ -229,6 +267,9 @@ void ivpu_debugfs_init(struct drm_minor *minor) drm_debugfs_create_files(vdev_debugfs_list, ARRAY_SIZE(vdev_debugfs_list), minor->debugfs_root, minor); + debugfs_create_file("force_recovery", 0200, minor->debugfs_root, vdev, + &ivpu_force_recovery_fops); + debugfs_create_file("fw_log", 0644, minor->debugfs_root, vdev, &fw_log_fops); debugfs_create_file("fw_trace_destination_mask", 0200, minor->debugfs_root, vdev, |