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Code Issues Releases Wiki Activity

Bluetooth: btintel: Print Firmware Sequencer information

Browse source 
Firmware sequencer (FSEQ) is a common code shared across Bluetooth
and Wifi. Printing FSEQ will help to debug if there is any mismatch
between Bluetooth and Wifi FSEQ.

Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Kiran K 2024-02-21 19:03:46 +05:30 committed by Luiz Augusto von Dentz
parent f7cbce60a3
commit a7ba218a44
1 changed files with 114 additions and 0 deletions
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114
drivers/bluetooth/btintel.c
View file

@ -2670,6 +2670,119 @@ static void btintel_set_msft_opcode(struct hci_dev *hdev, u8 hw_variant)
}
}
static void btintel_print_fseq_info(struct hci_dev *hdev)
{
struct sk_buff *skb;
u8 *p;
u32 val;
const char *str;
skb = __hci_cmd_sync(hdev, 0xfcb3, 0, NULL, HCI_CMD_TIMEOUT);
if (IS_ERR(skb)) {
bt_dev_dbg(hdev, "Reading fseq status command failed (%ld)",
PTR_ERR(skb));
return;
}
if (skb->len < (sizeof(u32) * 16 + 2)) {
bt_dev_dbg(hdev, "Malformed packet of length %u received",
skb->len);
kfree_skb(skb);
return;
}
p = skb_pull_data(skb, 1);
if (*p) {
bt_dev_dbg(hdev, "Failed to get fseq status (0x%2.2x)", *p);
kfree_skb(skb);
return;
}
p = skb_pull_data(skb, 1);
switch (*p) {
case 0:
str = "Success";
break;
case 1:
str = "Fatal error";
break;
case 2:
str = "Semaphore acquire error";
break;
default:
str = "Unknown error";
break;
}
if (*p) {
bt_dev_err(hdev, "Fseq status: %s (0x%2.2x)", str, *p);
kfree_skb(skb);
return;
}
bt_dev_info(hdev, "Fseq status: %s (0x%2.2x)", str, *p);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Reason: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Global version: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Installed version: 0x%8.8x", val);
p = skb->data;
skb_pull_data(skb, 4);
bt_dev_info(hdev, "Fseq executed: %2.2u.%2.2u.%2.2u.%2.2u", p[0], p[1],
p[2], p[3]);
p = skb->data;
skb_pull_data(skb, 4);
bt_dev_info(hdev, "Fseq BT Top: %2.2u.%2.2u.%2.2u.%2.2u", p[0], p[1],
p[2], p[3]);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Fseq Top init version: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Fseq Cnvio init version: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Fseq MBX Wifi file version: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Fseq BT version: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Fseq Top reset address: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Fseq MBX timeout: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Fseq MBX ack: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Fseq CNVi id: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Fseq CNVr id: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Fseq Error handle: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Fseq Magic noalive indication: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Fseq OTP version: 0x%8.8x", val);
val = get_unaligned_le32(skb_pull_data(skb, 4));
bt_dev_dbg(hdev, "Fseq MBX otp version: 0x%8.8x", val);
kfree_skb(skb);
}
static int btintel_setup_combined(struct hci_dev *hdev)
{
const u8 param[1] = { 0xFF };
@ -2902,6 +3015,7 @@ static int btintel_setup_combined(struct hci_dev *hdev)
err = btintel_bootloader_setup_tlv(hdev, &ver_tlv);
btintel_register_devcoredump_support(hdev);
btintel_print_fseq_info(hdev);
break;
default:
bt_dev_err(hdev, "Unsupported Intel hw variant (%u)",