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linux/drivers/net/wireless/intel/iwlwifi/iwl-debug.h
Johannes Berg 9673c35486 wifi: iwlwifi: implement product reset for TOP errors 
The TOP is a shared (between BT and WiFi) hardware component,
and if it has an error we need to reset the whole device, i.e.
both BT and WiFi. This is achieved by calling a specific ACPI
DSM (device-specific method) with the right arguments before
doing a reset via the object referenced by _PRR.

Since this is needed here, but a function reset will always do
better than just re-enumerating the bus in case of errors, we
can always try to at least do a function reset and do the full
product reset only when needed for TOP errors.

Also, for some Bz and Sc devices where BT is PCIe/IOSF as well,
find the BT device and unbind that device as well so the BT
driver can recover from the reset that's going to happen,
rather than having to somehow detect that the device was reset.

Also add - currently unused - the function reset mode, this is
going to get used in the upcoming escalation model.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241231135726.5b0f846d3e13.Ia14ccac38ac3d48adf5f341b17c7e34ccc41c065@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2025-01-13 15:34:06 +01:00

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/* SPDX-License-Identifier: GPL-2.0-only */
/******************************************************************************
*
* Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2018 - 2021, 2024 Intel Corporation
*
* Portions of this file are derived from the ipw3945 project.
*****************************************************************************/
#ifndef __iwl_debug_h__
#define __iwl_debug_h__
#include "iwl-modparams.h"
static inline bool iwl_have_debug_level(u32 level)
{
#ifdef CONFIG_IWLWIFI_DEBUG
return iwlwifi_mod_params.debug_level & level;
#else
return false;
#endif
}
enum iwl_err_mode {
IWL_ERR_MODE_REGULAR,
IWL_ERR_MODE_RFKILL,
IWL_ERR_MODE_TRACE_ONLY,
IWL_ERR_MODE_RATELIMIT,
};
struct device;
void __iwl_err(struct device *dev, enum iwl_err_mode mode, const char *fmt, ...)
__printf(3, 4);
void __iwl_warn(struct device *dev, const char *fmt, ...) __printf(2, 3);
void __iwl_info(struct device *dev, const char *fmt, ...) __printf(2, 3);
void __iwl_crit(struct device *dev, const char *fmt, ...) __printf(2, 3);
/* not all compilers can evaluate strlen() at compile time, so use sizeof() */
#define CHECK_FOR_NEWLINE(f) BUILD_BUG_ON(f[sizeof(f) - 2] != '\n')
/* No matter what is m (priv, bus, trans), this will work */
#define __IWL_ERR_DEV(d, mode, f, a...) \
do { \
CHECK_FOR_NEWLINE(f); \
__iwl_err((d), mode, f, ## a); \
} while (0)
#define IWL_ERR_DEV(d, f, a...) \
__IWL_ERR_DEV(d, IWL_ERR_MODE_REGULAR, f, ## a)
#define IWL_ERR(m, f, a...) \
IWL_ERR_DEV((m)->dev, f, ## a)
#define IWL_ERR_LIMIT(m, f, a...) \
__IWL_ERR_DEV((m)->dev, IWL_ERR_MODE_RATELIMIT, f, ## a)
#define IWL_WARN(m, f, a...) \
do { \
CHECK_FOR_NEWLINE(f); \
__iwl_warn((m)->dev, f, ## a); \
} while (0)
#define IWL_INFO(m, f, a...) \
do { \
CHECK_FOR_NEWLINE(f); \
__iwl_info((m)->dev, f, ## a); \
} while (0)
#define IWL_CRIT(m, f, a...) \
do { \
CHECK_FOR_NEWLINE(f); \
__iwl_crit((m)->dev, f, ## a); \
} while (0)
#if defined(CONFIG_IWLWIFI_DEBUG) || defined(CONFIG_IWLWIFI_DEVICE_TRACING)
void __iwl_dbg(struct device *dev,
u32 level, bool limit, const char *function,
const char *fmt, ...) __printf(5, 6);
#else
__printf(5, 6) static inline void
__iwl_dbg(struct device *dev,
u32 level, bool limit, const char *function,
const char *fmt, ...)
{}
#endif
#define iwl_print_hex_error(m, p, len) \
do { \
print_hex_dump(KERN_ERR, "iwl data: ", \
DUMP_PREFIX_OFFSET, 16, 1, p, len, 1); \
} while (0)
#define __IWL_DEBUG_DEV(dev, level, limit, fmt, args...) \
do { \
CHECK_FOR_NEWLINE(fmt); \
__iwl_dbg(dev, level, limit, __func__, fmt, ##args); \
} while (0)
#define IWL_DEBUG(m, level, fmt, args...) \
__IWL_DEBUG_DEV((m)->dev, level, false, fmt, ##args)
#define IWL_DEBUG_DEV(dev, level, fmt, args...) \
__IWL_DEBUG_DEV(dev, level, false, fmt, ##args)
#define IWL_DEBUG_LIMIT(m, level, fmt, args...) \
__IWL_DEBUG_DEV((m)->dev, level, true, fmt, ##args)
#ifdef CONFIG_IWLWIFI_DEBUG
#define iwl_print_hex_dump(m, level, p, len) \
do { \
if (iwl_have_debug_level(level)) \
print_hex_dump(KERN_DEBUG, "iwl data: ", \
DUMP_PREFIX_OFFSET, 16, 1, p, len, 1); \
} while (0)
#else
#define iwl_print_hex_dump(m, level, p, len)
#endif /* CONFIG_IWLWIFI_DEBUG */
/*
* To use the debug system:
*
* If you are defining a new debug classification, simply add it to the #define
* list here in the form of
*
* #define IWL_DL_xxxx VALUE
*
* where xxxx should be the name of the classification (for example, WEP).
*
* You then need to either add a IWL_xxxx_DEBUG() macro definition for your
* classification, or use IWL_DEBUG(IWL_DL_xxxx, ...) whenever you want
* to send output to that classification.
*
* The active debug levels can be accessed via files
*
* /sys/module/iwlwifi/parameters/debug
* when CONFIG_IWLWIFI_DEBUG=y.
*
* /sys/kernel/debug/phy0/iwlwifi/debug/debug_level
* when CONFIG_IWLWIFI_DEBUGFS=y.
*
*/
/* 0x0000000F - 0x00000001 */
#define IWL_DL_INFO 0x00000001
#define IWL_DL_MAC80211 0x00000002
#define IWL_DL_HCMD 0x00000004
#define IWL_DL_TDLS 0x00000008
/* 0x000000F0 - 0x00000010 */
#define IWL_DL_QUOTA 0x00000010
#define IWL_DL_TE 0x00000020
#define IWL_DL_EEPROM 0x00000040
#define IWL_DL_RADIO 0x00000080
/* 0x00000F00 - 0x00000100 */
#define IWL_DL_POWER 0x00000100
#define IWL_DL_TEMP 0x00000200
#define IWL_DL_WOWLAN 0x00000400
#define IWL_DL_SCAN 0x00000800
/* 0x0000F000 - 0x00001000 */
#define IWL_DL_ASSOC 0x00001000
#define IWL_DL_DROP 0x00002000
#define IWL_DL_LAR 0x00004000
#define IWL_DL_COEX 0x00008000
/* 0x000F0000 - 0x00010000 */
#define IWL_DL_FW 0x00010000
#define IWL_DL_RF_KILL 0x00020000
#define IWL_DL_TPT 0x00040000
/* 0x00F00000 - 0x00100000 */
#define IWL_DL_RATE 0x00100000
#define IWL_DL_CALIB 0x00200000
#define IWL_DL_WEP 0x00400000
#define IWL_DL_TX 0x00800000
/* 0x0F000000 - 0x01000000 */
#define IWL_DL_RX 0x01000000
#define IWL_DL_ISR 0x02000000
#define IWL_DL_HT 0x04000000
#define IWL_DL_EXTERNAL 0x08000000
/* 0xF0000000 - 0x10000000 */
#define IWL_DL_11H 0x10000000
#define IWL_DL_STATS 0x20000000
#define IWL_DL_TX_REPLY 0x40000000
#define IWL_DL_TX_QUEUES 0x80000000
#define IWL_DEBUG_INFO(p, f, a...) IWL_DEBUG(p, IWL_DL_INFO, f, ## a)
#define IWL_DEBUG_TDLS(p, f, a...) IWL_DEBUG(p, IWL_DL_TDLS, f, ## a)
#define IWL_DEBUG_MAC80211(p, f, a...) IWL_DEBUG(p, IWL_DL_MAC80211, f, ## a)
#define IWL_DEBUG_EXTERNAL(p, f, a...) IWL_DEBUG(p, IWL_DL_EXTERNAL, f, ## a)
#define IWL_DEBUG_TEMP(p, f, a...) IWL_DEBUG(p, IWL_DL_TEMP, f, ## a)
#define IWL_DEBUG_SCAN(p, f, a...) IWL_DEBUG(p, IWL_DL_SCAN, f, ## a)
#define IWL_DEBUG_RX(p, f, a...) IWL_DEBUG(p, IWL_DL_RX, f, ## a)
#define IWL_DEBUG_TX(p, f, a...) IWL_DEBUG(p, IWL_DL_TX, f, ## a)
#define IWL_DEBUG_ISR(p, f, a...) IWL_DEBUG(p, IWL_DL_ISR, f, ## a)
#define IWL_DEBUG_WEP(p, f, a...) IWL_DEBUG(p, IWL_DL_WEP, f, ## a)
#define IWL_DEBUG_HC(p, f, a...) IWL_DEBUG(p, IWL_DL_HCMD, f, ## a)
#define IWL_DEBUG_QUOTA(p, f, a...) IWL_DEBUG(p, IWL_DL_QUOTA, f, ## a)
#define IWL_DEBUG_TE(p, f, a...) IWL_DEBUG(p, IWL_DL_TE, f, ## a)
#define IWL_DEBUG_EEPROM(d, f, a...) IWL_DEBUG_DEV(d, IWL_DL_EEPROM, f, ## a)
#define IWL_DEBUG_CALIB(p, f, a...) IWL_DEBUG(p, IWL_DL_CALIB, f, ## a)
#define IWL_DEBUG_FW(p, f, a...) IWL_DEBUG(p, IWL_DL_FW, f, ## a)
#define IWL_DEBUG_RF_KILL(p, f, a...) IWL_DEBUG(p, IWL_DL_RF_KILL, f, ## a)
#define IWL_DEBUG_DROP(p, f, a...) IWL_DEBUG(p, IWL_DL_DROP, f, ## a)
#define IWL_DEBUG_DROP_LIMIT(p, f, a...) \
IWL_DEBUG_LIMIT(p, IWL_DL_DROP, f, ## a)
#define IWL_DEBUG_COEX(p, f, a...) IWL_DEBUG(p, IWL_DL_COEX, f, ## a)
#define IWL_DEBUG_RATE(p, f, a...) IWL_DEBUG(p, IWL_DL_RATE, f, ## a)
#define IWL_DEBUG_RATE_LIMIT(p, f, a...) \
IWL_DEBUG_LIMIT(p, IWL_DL_RATE, f, ## a)
#define IWL_DEBUG_ASSOC(p, f, a...) \
IWL_DEBUG(p, IWL_DL_ASSOC | IWL_DL_INFO, f, ## a)
#define IWL_DEBUG_ASSOC_LIMIT(p, f, a...) \
IWL_DEBUG_LIMIT(p, IWL_DL_ASSOC | IWL_DL_INFO, f, ## a)
#define IWL_DEBUG_HT(p, f, a...) IWL_DEBUG(p, IWL_DL_HT, f, ## a)
#define IWL_DEBUG_STATS(p, f, a...) IWL_DEBUG(p, IWL_DL_STATS, f, ## a)
#define IWL_DEBUG_STATS_LIMIT(p, f, a...) \
IWL_DEBUG_LIMIT(p, IWL_DL_STATS, f, ## a)
#define IWL_DEBUG_TX_REPLY(p, f, a...) IWL_DEBUG(p, IWL_DL_TX_REPLY, f, ## a)
#define IWL_DEBUG_TX_QUEUES(p, f, a...) IWL_DEBUG(p, IWL_DL_TX_QUEUES, f, ## a)
#define IWL_DEBUG_RADIO(p, f, a...) IWL_DEBUG(p, IWL_DL_RADIO, f, ## a)
#define IWL_DEBUG_DEV_RADIO(p, f, a...) IWL_DEBUG_DEV(p, IWL_DL_RADIO, f, ## a)
#define IWL_DEBUG_POWER(p, f, a...) IWL_DEBUG(p, IWL_DL_POWER, f, ## a)
#define IWL_DEBUG_DEV_POWER(p, f, a...) IWL_DEBUG_DEV(p, IWL_DL_POWER, f, ## a)
#define IWL_DEBUG_11H(p, f, a...) IWL_DEBUG(p, IWL_DL_11H, f, ## a)
#define IWL_DEBUG_TPT(p, f, a...) IWL_DEBUG(p, IWL_DL_TPT, f, ## a)
#define IWL_DEBUG_WOWLAN(p, f, a...) IWL_DEBUG(p, IWL_DL_WOWLAN, f, ## a)
#define IWL_DEBUG_LAR(p, f, a...) IWL_DEBUG(p, IWL_DL_LAR, f, ## a)
#define IWL_DEBUG_FW_INFO(p, f, a...) \
IWL_DEBUG(p, IWL_DL_INFO | IWL_DL_FW, f, ## a)
#endif
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