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accel/ivpu: Configure fw logging using debugfs

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Add fw_dyndbg file that can be used to control FW logging.

Signed-off-by: Tomasz Rusinowicz <tomasz.rusinowicz@intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240513120431.3187212-11-jacek.lawrynowicz@linux.intel.com
This commit is contained in:
Tomasz Rusinowicz
2024-05-13 14:04:29 +02:00
committed by Jacek Lawrynowicz
parent 2c3801b174
commit 8f2eb89159
1 changed files with 26 additions and 0 deletions
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drivers/accel/ivpu/ivpu_debugfs.c
+26
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@@ -145,6 +145,30 @@ static const struct file_operations dvfs_mode_fops = {
.write = dvfs_mode_fops_write,
};
static ssize_t
fw_dyndbg_fops_write(struct file *file, const char __user *user_buf, size_t size, loff_t *pos)
{
struct ivpu_device *vdev = file->private_data;
char buffer[VPU_DYNDBG_CMD_MAX_LEN] = {};
int ret;
if (size >= VPU_DYNDBG_CMD_MAX_LEN)
return -EINVAL;
ret = strncpy_from_user(buffer, user_buf, size);
if (ret < 0)
return ret;
ivpu_jsm_dyndbg_control(vdev, buffer, size);
return size;
}
static const struct file_operations fw_dyndbg_fops = {
.owner = THIS_MODULE,
.open = simple_open,
.write = fw_dyndbg_fops_write,
};
static int fw_log_show(struct seq_file *s, void *v)
{
struct ivpu_device *vdev = s->private;
@@ -369,6 +393,8 @@ void ivpu_debugfs_init(struct ivpu_device *vdev)
debugfs_create_file("dvfs_mode", 0200, debugfs_root, vdev,
&dvfs_mode_fops);
debugfs_create_file("fw_dyndbg", 0200, debugfs_root, vdev,
&fw_dyndbg_fops);
debugfs_create_file("fw_log", 0644, debugfs_root, vdev,
&fw_log_fops);
debugfs_create_file("fw_trace_destination_mask", 0200, debugfs_root, vdev,