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| author | Tomasz Rusinowicz <tomasz.rusinowicz@intel.com> | 2024-05-13 14:04:29 +0200 |
|---|---|---|
| committer | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> | 2024-05-15 07:42:26 +0200 |
| commit | 8f2eb89159933001738443717e14c7a90ede0f43 (patch) | |
| tree | 49748fe9e357b054803c2829c69834a2d0ae2830 /drivers/accel/ivpu/ivpu_debugfs.c | |
| parent | accel/ivpu: Add force snoop module parameter (diff) | |
| download | linux-8f2eb89159933001738443717e14c7a90ede0f43.tar.xz linux-8f2eb89159933001738443717e14c7a90ede0f43.zip | |
accel/ivpu: Configure fw logging using debugfs
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
Diffstat (limited to 'drivers/accel/ivpu/ivpu_debugfs.c')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_debugfs.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c index 6ff967e595cf..b6c7d6a53c79 100644 --- a/drivers/accel/ivpu/ivpu_debugfs.c +++ b/drivers/accel/ivpu/ivpu_debugfs.c @@ -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, |