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af395330ab
linux/drivers/bluetooth/btintel.h
Abhishek Pandit-Subedi af395330ab Bluetooth: btintel: Add Intel devcoredump support 
Intercept debug exception events from the controller and put them into
a devcoredump using hci devcoredump APIs. The debug exception contains
data in a TLV format and it will be parsed in userspace.

Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Manish Mandlik <mmandlik@google.com>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Chethan Tumkur Narayan <chethan.tumkur.narayan@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2023-04-23 21:59:02 -07:00

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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
*
* Bluetooth support for Intel devices
*
* Copyright (C) 2015 Intel Corporation
*/
/* List of tlv type */
enum {
INTEL_TLV_CNVI_TOP = 0x10,
INTEL_TLV_CNVR_TOP,
INTEL_TLV_CNVI_BT,
INTEL_TLV_CNVR_BT,
INTEL_TLV_CNVI_OTP,
INTEL_TLV_CNVR_OTP,
INTEL_TLV_DEV_REV_ID,
INTEL_TLV_USB_VENDOR_ID,
INTEL_TLV_USB_PRODUCT_ID,
INTEL_TLV_PCIE_VENDOR_ID,
INTEL_TLV_PCIE_DEVICE_ID,
INTEL_TLV_PCIE_SUBSYSTEM_ID,
INTEL_TLV_IMAGE_TYPE,
INTEL_TLV_TIME_STAMP,
INTEL_TLV_BUILD_TYPE,
INTEL_TLV_BUILD_NUM,
INTEL_TLV_FW_BUILD_PRODUCT,
INTEL_TLV_FW_BUILD_HW,
INTEL_TLV_FW_STEP,
INTEL_TLV_BT_SPEC,
INTEL_TLV_MFG_NAME,
INTEL_TLV_HCI_REV,
INTEL_TLV_LMP_SUBVER,
INTEL_TLV_OTP_PATCH_VER,
INTEL_TLV_SECURE_BOOT,
INTEL_TLV_KEY_FROM_HDR,
INTEL_TLV_OTP_LOCK,
INTEL_TLV_API_LOCK,
INTEL_TLV_DEBUG_LOCK,
INTEL_TLV_MIN_FW,
INTEL_TLV_LIMITED_CCE,
INTEL_TLV_SBE_TYPE,
INTEL_TLV_OTP_BDADDR,
INTEL_TLV_UNLOCKED_STATE
};
struct intel_tlv {
u8 type;
u8 len;
u8 val[];
} __packed;
struct intel_version_tlv {
u32 cnvi_top;
u32 cnvr_top;
u32 cnvi_bt;
u32 cnvr_bt;
u16 dev_rev_id;
u8 img_type;
u16 timestamp;
u8 build_type;
u32 build_num;
u8 secure_boot;
u8 otp_lock;
u8 api_lock;
u8 debug_lock;
u8 min_fw_build_nn;
u8 min_fw_build_cw;
u8 min_fw_build_yy;
u8 limited_cce;
u8 sbe_type;
bdaddr_t otp_bd_addr;
};
struct intel_version {
u8 status;
u8 hw_platform;
u8 hw_variant;
u8 hw_revision;
u8 fw_variant;
u8 fw_revision;
u8 fw_build_num;
u8 fw_build_ww;
u8 fw_build_yy;
u8 fw_patch_num;
} __packed;
struct intel_boot_params {
__u8 status;
__u8 otp_format;
__u8 otp_content;
__u8 otp_patch;
__le16 dev_revid;
__u8 secure_boot;
__u8 key_from_hdr;
__u8 key_type;
__u8 otp_lock;
__u8 api_lock;
__u8 debug_lock;
bdaddr_t otp_bdaddr;
__u8 min_fw_build_nn;
__u8 min_fw_build_cw;
__u8 min_fw_build_yy;
__u8 limited_cce;
__u8 unlocked_state;
} __packed;
struct intel_bootup {
__u8 zero;
__u8 num_cmds;
__u8 source;
__u8 reset_type;
__u8 reset_reason;
__u8 ddc_status;
} __packed;
struct intel_secure_send_result {
__u8 result;
__le16 opcode;
__u8 status;
} __packed;
struct intel_reset {
__u8 reset_type;
__u8 patch_enable;
__u8 ddc_reload;
__u8 boot_option;
__le32 boot_param;
} __packed;
struct intel_debug_features {
__u8 page1[16];
} __packed;
struct intel_offload_use_cases {
__u8 status;
__u8 preset[8];
} __packed;
struct btintel_loc_aware_reg {
__le32 mcc;
__le32 sel;
__le32 delta;
} __packed;
#define INTEL_TLV_TYPE_ID 0x01
#define INTEL_TLV_SYSTEM_EXCEPTION 0x00
#define INTEL_TLV_FATAL_EXCEPTION 0x01
#define INTEL_TLV_DEBUG_EXCEPTION 0x02
#define INTEL_TLV_TEST_EXCEPTION 0xDE
#define INTEL_HW_PLATFORM(cnvx_bt) ((u8)(((cnvx_bt) & 0x0000ff00) >> 8))
#define INTEL_HW_VARIANT(cnvx_bt) ((u8)(((cnvx_bt) & 0x003f0000) >> 16))
#define INTEL_CNVX_TOP_TYPE(cnvx_top) ((cnvx_top) & 0x00000fff)
#define INTEL_CNVX_TOP_STEP(cnvx_top) (((cnvx_top) & 0x0f000000) >> 24)
#define INTEL_CNVX_TOP_PACK_SWAB(t, s) __swab16(((__u16)(((t) << 4) | (s))))
enum {
INTEL_BOOTLOADER,
INTEL_DOWNLOADING,
INTEL_FIRMWARE_LOADED,
INTEL_FIRMWARE_FAILED,
INTEL_BOOTING,
INTEL_BROKEN_INITIAL_NCMD,
INTEL_BROKEN_SHUTDOWN_LED,
INTEL_ROM_LEGACY,
INTEL_ROM_LEGACY_NO_WBS_SUPPORT,
__INTEL_NUM_FLAGS,
};
struct btintel_data {
DECLARE_BITMAP(flags, __INTEL_NUM_FLAGS);
};
#define btintel_set_flag(hdev, nr) \
do { \
struct btintel_data *intel = hci_get_priv((hdev)); \
set_bit((nr), intel->flags); \
} while (0)
#define btintel_clear_flag(hdev, nr) \
do { \
struct btintel_data *intel = hci_get_priv((hdev)); \
clear_bit((nr), intel->flags); \
} while (0)
#define btintel_wake_up_flag(hdev, nr) \
do { \
struct btintel_data *intel = hci_get_priv((hdev)); \
wake_up_bit(intel->flags, (nr)); \
} while (0)
#define btintel_get_flag(hdev) \
(((struct btintel_data *)hci_get_priv(hdev))->flags)
#define btintel_test_flag(hdev, nr) test_bit((nr), btintel_get_flag(hdev))
#define btintel_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), btintel_get_flag(hdev))
#define btintel_wait_on_flag_timeout(hdev, nr, m, to) \
wait_on_bit_timeout(btintel_get_flag(hdev), (nr), m, to)
#if IS_ENABLED(CONFIG_BT_INTEL)
int btintel_check_bdaddr(struct hci_dev *hdev);
int btintel_enter_mfg(struct hci_dev *hdev);
int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched);
int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr);
int btintel_set_diag(struct hci_dev *hdev, bool enable);
int btintel_version_info(struct hci_dev *hdev, struct intel_version *ver);
int btintel_load_ddc_config(struct hci_dev *hdev, const char *ddc_name);
int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug);
int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver);
struct regmap *btintel_regmap_init(struct hci_dev *hdev, u16 opcode_read,
u16 opcode_write);
int btintel_send_intel_reset(struct hci_dev *hdev, u32 boot_param);
int btintel_read_boot_params(struct hci_dev *hdev,
struct intel_boot_params *params);
int btintel_download_firmware(struct hci_dev *dev, struct intel_version *ver,
const struct firmware *fw, u32 *boot_param);
int btintel_configure_setup(struct hci_dev *hdev, const char *driver_name);
void btintel_bootup(struct hci_dev *hdev, const void *ptr, unsigned int len);
void btintel_secure_send_result(struct hci_dev *hdev,
const void *ptr, unsigned int len);
int btintel_set_quality_report(struct hci_dev *hdev, bool enable);
#else
static inline int btintel_check_bdaddr(struct hci_dev *hdev)
{
return -EOPNOTSUPP;
}
static inline int btintel_enter_mfg(struct hci_dev *hdev)
{
return -EOPNOTSUPP;
}
static inline int btintel_exit_mfg(struct hci_dev *hdev, bool reset, bool patched)
{
return -EOPNOTSUPP;
}
static inline int btintel_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
return -EOPNOTSUPP;
}
static inline int btintel_set_diag(struct hci_dev *hdev, bool enable)
{
return -EOPNOTSUPP;
}
static inline int btintel_version_info(struct hci_dev *hdev,
struct intel_version *ver)
{
return -EOPNOTSUPP;
}
static inline int btintel_load_ddc_config(struct hci_dev *hdev,
const char *ddc_name)
{
return -EOPNOTSUPP;
}
static inline int btintel_set_event_mask_mfg(struct hci_dev *hdev, bool debug)
{
return -EOPNOTSUPP;
}
static inline int btintel_read_version(struct hci_dev *hdev,
struct intel_version *ver)
{
return -EOPNOTSUPP;
}
static inline struct regmap *btintel_regmap_init(struct hci_dev *hdev,
u16 opcode_read,
u16 opcode_write)
{
return ERR_PTR(-EINVAL);
}
static inline int btintel_send_intel_reset(struct hci_dev *hdev,
u32 reset_param)
{
return -EOPNOTSUPP;
}
static inline int btintel_read_boot_params(struct hci_dev *hdev,
struct intel_boot_params *params)
{
return -EOPNOTSUPP;
}
static inline int btintel_download_firmware(struct hci_dev *dev,
const struct firmware *fw,
u32 *boot_param)
{
return -EOPNOTSUPP;
}
static inline int btintel_configure_setup(struct hci_dev *hdev,
const char *driver_name)
{
return -ENODEV;
}
static inline void btintel_bootup(struct hci_dev *hdev,
const void *ptr, unsigned int len)
{
}
static inline void btintel_secure_send_result(struct hci_dev *hdev,
const void *ptr, unsigned int len)
{
}
static inline int btintel_set_quality_report(struct hci_dev *hdev, bool enable)
{
return -ENODEV;
}
#endif
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