From: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
To: dri-devel@lists.freedesktop.org
Cc: oded.gabbay@gmail.com, quic_jhugo@quicinc.com,
Tomasz Rusinowicz <tomasz.rusinowicz@intel.com>,
Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Subject: [PATCH 10/12] accel/ivpu: Configure fw logging using debugfs
Date: Wed, 8 May 2024 15:25:57 +0200 [thread overview]
Message-ID: <20240508132557.2388267-1-jacek.lawrynowicz@linux.intel.com> (raw)
From: Tomasz Rusinowicz <tomasz.rusinowicz@intel.com>
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>
---
drivers/accel/ivpu/ivpu_debugfs.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
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,
--
2.43.2
next reply other threads:[~2024-05-08 13:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-08 13:25 Jacek Lawrynowicz [this message]
2024-05-08 13:30 ` [PATCH 10/12] accel/ivpu: Configure fw logging using debugfs Jacek Lawrynowicz
-- strict thread matches above, loose matches on Subject: below --
2024-05-08 13:20 [PATCH 00/12] accel/ivpu: Changes for 6.10 Jacek Lawrynowicz
2024-05-08 13:28 ` [PATCH 10/12] accel/ivpu: Configure fw logging using debugfs Jacek Lawrynowicz
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