[PATCH 7/7] habanalabs: extend fatal messages to contain PCI info

From: Oded Gabbay
Date: Sun Jan 08 2023 - 12:21:31 EST


From: Moti Haimovski <mhaimovski@xxxxxxxxx>

This commit attaches the PCI device address to driver fatal messages
in order to ease debugging in multi-device setups.

Signed-off-by: Moti Haimovski <mhaimovski@xxxxxxxxx>
Reviewed-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
Signed-off-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
---
drivers/accel/habanalabs/common/device.c | 38 ++++++++++++++++--------
1 file changed, 25 insertions(+), 13 deletions(-)

diff --git a/drivers/accel/habanalabs/common/device.c b/drivers/accel/habanalabs/common/device.c
index 722a5beb0974..2b6971463f12 100644
--- a/drivers/accel/habanalabs/common/device.c
+++ b/drivers/accel/habanalabs/common/device.c
@@ -1563,7 +1563,8 @@ int hl_device_reset(struct hl_device *hdev, u32 flags)
if (rc == -EBUSY) {
if (hdev->device_fini_pending) {
dev_crit(hdev->dev,
- "Failed to kill all open processes, stopping hard reset\n");
+ "%s Failed to kill all open processes, stopping hard reset\n",
+ dev_name(&(hdev)->pdev->dev));
goto out_err;
}

@@ -1573,7 +1574,8 @@ int hl_device_reset(struct hl_device *hdev, u32 flags)

if (rc) {
dev_crit(hdev->dev,
- "Failed to kill all open processes, stopping hard reset\n");
+ "%s Failed to kill all open processes, stopping hard reset\n",
+ dev_name(&(hdev)->pdev->dev));
goto out_err;
}

@@ -1624,14 +1626,16 @@ int hl_device_reset(struct hl_device *hdev, u32 flags)
* ensure driver puts the driver in a unusable state
*/
dev_crit(hdev->dev,
- "Consecutive FW fatal errors received, stopping hard reset\n");
+ "%s Consecutive FW fatal errors received, stopping hard reset\n",
+ dev_name(&(hdev)->pdev->dev));
rc = -EIO;
goto out_err;
}

if (hdev->kernel_ctx) {
dev_crit(hdev->dev,
- "kernel ctx was alive during hard reset, something is terribly wrong\n");
+ "%s kernel ctx was alive during hard reset, something is terribly wrong\n",
+ dev_name(&(hdev)->pdev->dev));
rc = -EBUSY;
goto out_err;
}
@@ -1749,9 +1753,13 @@ int hl_device_reset(struct hl_device *hdev, u32 flags)
hdev->reset_info.needs_reset = false;

if (hard_reset)
- dev_info(hdev->dev, "Successfully finished resetting the device\n");
+ dev_info(hdev->dev,
+ "Successfully finished resetting the %s device\n",
+ dev_name(&(hdev)->pdev->dev));
else
- dev_dbg(hdev->dev, "Successfully finished resetting the device\n");
+ dev_dbg(hdev->dev,
+ "Successfully finished resetting the %s device\n",
+ dev_name(&(hdev)->pdev->dev));

if (hard_reset) {
hdev->reset_info.hard_reset_cnt++;
@@ -1786,7 +1794,9 @@ int hl_device_reset(struct hl_device *hdev, u32 flags)
hdev->reset_info.in_compute_reset = 0;

if (hard_reset) {
- dev_err(hdev->dev, "Failed to reset! Device is NOT usable\n");
+ dev_err(hdev->dev,
+ "%s Failed to reset! Device is NOT usable\n",
+ dev_name(&(hdev)->pdev->dev));
hdev->reset_info.hard_reset_cnt++;
} else if (reset_upon_device_release) {
spin_unlock(&hdev->reset_info.lock);
@@ -2185,7 +2195,8 @@ int hl_device_init(struct hl_device *hdev, struct class *hclass)
}

dev_notice(hdev->dev,
- "Successfully added device to habanalabs driver\n");
+ "Successfully added device %s to habanalabs driver\n",
+ dev_name(&(hdev)->pdev->dev));

hdev->init_done = true;

@@ -2234,11 +2245,11 @@ int hl_device_init(struct hl_device *hdev, struct class *hclass)
device_cdev_sysfs_add(hdev);
if (hdev->pdev)
dev_err(&hdev->pdev->dev,
- "Failed to initialize hl%d. Device is NOT usable !\n",
- hdev->cdev_idx);
+ "Failed to initialize hl%d. Device %s is NOT usable !\n",
+ hdev->cdev_idx, dev_name(&(hdev)->pdev->dev));
else
- pr_err("Failed to initialize hl%d. Device is NOT usable !\n",
- hdev->cdev_idx);
+ pr_err("Failed to initialize hl%d. Device %s is NOT usable !\n",
+ hdev->cdev_idx, dev_name(&(hdev)->pdev->dev));

return rc;
}
@@ -2294,7 +2305,8 @@ void hl_device_fini(struct hl_device *hdev)

if (ktime_compare(ktime_get(), timeout) > 0) {
dev_crit(hdev->dev,
- "Failed to remove device because reset function did not finish\n");
+ "%s Failed to remove device because reset function did not finish\n",
+ dev_name(&(hdev)->pdev->dev));
return;
}
}
--
2.25.1