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[v1] Bluetooth: btintel_pcie: Trigger device coredump on hardware exception

Message ID 20250304162135.254530-1-kiran.k@intel.com
State Accepted
Commit 0b2be018b5c92dd41933a49968a88ed11b788760
Headers show
Series [v1] Bluetooth: btintel_pcie: Trigger device coredump on hardware exception | expand

Commit Message

Kiran K March 4, 2025, 4:21 p.m. UTC 
Driver dumps device core dump on firmware exception.

Signed-off-by: Kiran K <kiran.k@intel.com>
---
 drivers/bluetooth/btintel_pcie.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/drivers/bluetooth/btintel_pcie.c b/drivers/bluetooth/btintel_pcie.c
index a499bad58b53..3c3699250312 100644
--- a/drivers/bluetooth/btintel_pcie.c
+++ b/drivers/bluetooth/btintel_pcie.c
@@ -60,6 +60,7 @@  MODULE_DEVICE_TABLE(pci, btintel_pcie_table);
 #define BTINTEL_PCIE_MAGIC_NUM	0xA5A5A5A5
 
 #define BTINTEL_PCIE_TRIGGER_REASON_USER_TRIGGER	0x17A2
+#define BTINTEL_PCIE_TRIGGER_REASON_FW_ASSERT		0x1E61
 
 /* Alive interrupt context */
 enum {
@@ -1202,6 +1203,10 @@  static void btintel_pcie_msix_hw_exp_handler(struct btintel_pcie_data *data)
 
 	if (test_and_set_bit(BTINTEL_PCIE_HWEXP_INPROGRESS, &data->flags))
 		return;
+
+	/* Trigger device core dump when there is HW  exception */
+	if (!test_and_set_bit(BTINTEL_PCIE_COREDUMP_INPROGRESS, &data->flags))
+		data->dmp_hdr.trigger_reason  = BTINTEL_PCIE_TRIGGER_REASON_FW_ASSERT;
 	queue_work(data->workqueue, &data->rx_work);
 }