xref: /linux/drivers/net/wireless/intel/iwlwifi/fw/dump.c (revision a1c613ae4c322ddd58d5a8539dbfba2a0380a8c0)
14db7cf1eSJohannes Berg // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
24db7cf1eSJohannes Berg /*
3c53c339dSAriel Malamud  * Copyright (C) 2012-2014, 2018-2023 Intel Corporation
44db7cf1eSJohannes Berg  * Copyright (C) 2013-2014 Intel Mobile Communications GmbH
54db7cf1eSJohannes Berg  * Copyright (C) 2015-2017 Intel Deutschland GmbH
64db7cf1eSJohannes Berg  */
74db7cf1eSJohannes Berg #include <linux/devcoredump.h>
84db7cf1eSJohannes Berg #include "iwl-drv.h"
94db7cf1eSJohannes Berg #include "runtime.h"
104db7cf1eSJohannes Berg #include "dbg.h"
114db7cf1eSJohannes Berg #include "debugfs.h"
124db7cf1eSJohannes Berg #include "iwl-io.h"
134db7cf1eSJohannes Berg #include "iwl-prph.h"
144db7cf1eSJohannes Berg #include "iwl-csr.h"
151db385c6SLuca Coelho #include "pnvm.h"
164db7cf1eSJohannes Berg 
17834f920eSMukesh Sisodiya #define FW_ASSERT_LMAC_FATAL			0x70
18834f920eSMukesh Sisodiya #define FW_ASSERT_LMAC2_FATAL			0x72
19834f920eSMukesh Sisodiya #define FW_ASSERT_UMAC_FATAL			0x71
20834f920eSMukesh Sisodiya #define UMAC_RT_NMI_LMAC2_FATAL			0x72
21834f920eSMukesh Sisodiya #define RT_NMI_INTERRUPT_OTHER_LMAC_FATAL	0x73
22834f920eSMukesh Sisodiya #define FW_ASSERT_NMI_UNKNOWN			0x84
23834f920eSMukesh Sisodiya 
244db7cf1eSJohannes Berg /*
254db7cf1eSJohannes Berg  * Note: This structure is read from the device with IO accesses,
264db7cf1eSJohannes Berg  * and the reading already does the endian conversion. As it is
274db7cf1eSJohannes Berg  * read with u32-sized accesses, any members with a different size
284db7cf1eSJohannes Berg  * need to be ordered correctly though!
294db7cf1eSJohannes Berg  */
304db7cf1eSJohannes Berg struct iwl_error_event_table {
314db7cf1eSJohannes Berg 	u32 valid;		/* (nonzero) valid, (0) log is empty */
324db7cf1eSJohannes Berg 	u32 error_id;		/* type of error */
334db7cf1eSJohannes Berg 	u32 trm_hw_status0;	/* TRM HW status */
344db7cf1eSJohannes Berg 	u32 trm_hw_status1;	/* TRM HW status */
354db7cf1eSJohannes Berg 	u32 blink2;		/* branch link */
364db7cf1eSJohannes Berg 	u32 ilink1;		/* interrupt link */
374db7cf1eSJohannes Berg 	u32 ilink2;		/* interrupt link */
384db7cf1eSJohannes Berg 	u32 data1;		/* error-specific data */
394db7cf1eSJohannes Berg 	u32 data2;		/* error-specific data */
404db7cf1eSJohannes Berg 	u32 data3;		/* error-specific data */
414db7cf1eSJohannes Berg 	u32 bcon_time;		/* beacon timer */
424db7cf1eSJohannes Berg 	u32 tsf_low;		/* network timestamp function timer */
434db7cf1eSJohannes Berg 	u32 tsf_hi;		/* network timestamp function timer */
444db7cf1eSJohannes Berg 	u32 gp1;		/* GP1 timer register */
454db7cf1eSJohannes Berg 	u32 gp2;		/* GP2 timer register */
464db7cf1eSJohannes Berg 	u32 fw_rev_type;	/* firmware revision type */
474db7cf1eSJohannes Berg 	u32 major;		/* uCode version major */
484db7cf1eSJohannes Berg 	u32 minor;		/* uCode version minor */
494db7cf1eSJohannes Berg 	u32 hw_ver;		/* HW Silicon version */
504db7cf1eSJohannes Berg 	u32 brd_ver;		/* HW board version */
514db7cf1eSJohannes Berg 	u32 log_pc;		/* log program counter */
524db7cf1eSJohannes Berg 	u32 frame_ptr;		/* frame pointer */
534db7cf1eSJohannes Berg 	u32 stack_ptr;		/* stack pointer */
544db7cf1eSJohannes Berg 	u32 hcmd;		/* last host command header */
554db7cf1eSJohannes Berg 	u32 isr0;		/* isr status register LMPM_NIC_ISR0:
564db7cf1eSJohannes Berg 				 * rxtx_flag */
574db7cf1eSJohannes Berg 	u32 isr1;		/* isr status register LMPM_NIC_ISR1:
584db7cf1eSJohannes Berg 				 * host_flag */
594db7cf1eSJohannes Berg 	u32 isr2;		/* isr status register LMPM_NIC_ISR2:
604db7cf1eSJohannes Berg 				 * enc_flag */
614db7cf1eSJohannes Berg 	u32 isr3;		/* isr status register LMPM_NIC_ISR3:
624db7cf1eSJohannes Berg 				 * time_flag */
634db7cf1eSJohannes Berg 	u32 isr4;		/* isr status register LMPM_NIC_ISR4:
644db7cf1eSJohannes Berg 				 * wico interrupt */
654db7cf1eSJohannes Berg 	u32 last_cmd_id;	/* last HCMD id handled by the firmware */
664db7cf1eSJohannes Berg 	u32 wait_event;		/* wait event() caller address */
674db7cf1eSJohannes Berg 	u32 l2p_control;	/* L2pControlField */
684db7cf1eSJohannes Berg 	u32 l2p_duration;	/* L2pDurationField */
694db7cf1eSJohannes Berg 	u32 l2p_mhvalid;	/* L2pMhValidBits */
704db7cf1eSJohannes Berg 	u32 l2p_addr_match;	/* L2pAddrMatchStat */
714db7cf1eSJohannes Berg 	u32 lmpm_pmg_sel;	/* indicate which clocks are turned on
724db7cf1eSJohannes Berg 				 * (LMPM_PMG_SEL) */
734db7cf1eSJohannes Berg 	u32 u_timestamp;	/* indicate when the date and time of the
744db7cf1eSJohannes Berg 				 * compilation */
754db7cf1eSJohannes Berg 	u32 flow_handler;	/* FH read/write pointers, RX credit */
764db7cf1eSJohannes Berg } __packed /* LOG_ERROR_TABLE_API_S_VER_3 */;
774db7cf1eSJohannes Berg 
784db7cf1eSJohannes Berg /*
794db7cf1eSJohannes Berg  * UMAC error struct - relevant starting from family 8000 chip.
804db7cf1eSJohannes Berg  * Note: This structure is read from the device with IO accesses,
814db7cf1eSJohannes Berg  * and the reading already does the endian conversion. As it is
824db7cf1eSJohannes Berg  * read with u32-sized accesses, any members with a different size
834db7cf1eSJohannes Berg  * need to be ordered correctly though!
844db7cf1eSJohannes Berg  */
854db7cf1eSJohannes Berg struct iwl_umac_error_event_table {
864db7cf1eSJohannes Berg 	u32 valid;		/* (nonzero) valid, (0) log is empty */
874db7cf1eSJohannes Berg 	u32 error_id;		/* type of error */
884db7cf1eSJohannes Berg 	u32 blink1;		/* branch link */
894db7cf1eSJohannes Berg 	u32 blink2;		/* branch link */
904db7cf1eSJohannes Berg 	u32 ilink1;		/* interrupt link */
914db7cf1eSJohannes Berg 	u32 ilink2;		/* interrupt link */
924db7cf1eSJohannes Berg 	u32 data1;		/* error-specific data */
934db7cf1eSJohannes Berg 	u32 data2;		/* error-specific data */
944db7cf1eSJohannes Berg 	u32 data3;		/* error-specific data */
954db7cf1eSJohannes Berg 	u32 umac_major;
964db7cf1eSJohannes Berg 	u32 umac_minor;
974db7cf1eSJohannes Berg 	u32 frame_pointer;	/* core register 27*/
984db7cf1eSJohannes Berg 	u32 stack_pointer;	/* core register 28 */
994db7cf1eSJohannes Berg 	u32 cmd_header;		/* latest host cmd sent to UMAC */
1004db7cf1eSJohannes Berg 	u32 nic_isr_pref;	/* ISR status register */
1014db7cf1eSJohannes Berg } __packed;
1024db7cf1eSJohannes Berg 
1034db7cf1eSJohannes Berg #define ERROR_START_OFFSET  (1 * sizeof(u32))
1044db7cf1eSJohannes Berg #define ERROR_ELEM_SIZE     (7 * sizeof(u32))
1054db7cf1eSJohannes Berg 
iwl_fwrt_if_errorid_other_cpu(u32 err_id)106834f920eSMukesh Sisodiya static bool iwl_fwrt_if_errorid_other_cpu(u32 err_id)
107834f920eSMukesh Sisodiya {
108834f920eSMukesh Sisodiya 	err_id &= 0xFF;
109834f920eSMukesh Sisodiya 
110834f920eSMukesh Sisodiya 	if ((err_id >= FW_ASSERT_LMAC_FATAL &&
111834f920eSMukesh Sisodiya 	     err_id <= RT_NMI_INTERRUPT_OTHER_LMAC_FATAL) ||
112834f920eSMukesh Sisodiya 	    err_id == FW_ASSERT_NMI_UNKNOWN)
113834f920eSMukesh Sisodiya 		return  true;
114834f920eSMukesh Sisodiya 	return false;
115834f920eSMukesh Sisodiya }
116834f920eSMukesh Sisodiya 
iwl_fwrt_dump_umac_error_log(struct iwl_fw_runtime * fwrt)1174db7cf1eSJohannes Berg static void iwl_fwrt_dump_umac_error_log(struct iwl_fw_runtime *fwrt)
1184db7cf1eSJohannes Berg {
1194db7cf1eSJohannes Berg 	struct iwl_trans *trans = fwrt->trans;
1204db7cf1eSJohannes Berg 	struct iwl_umac_error_event_table table = {};
1214db7cf1eSJohannes Berg 	u32 base = fwrt->trans->dbg.umac_error_event_table;
1221db385c6SLuca Coelho 	char pnvm_name[MAX_PNVM_NAME];
1234db7cf1eSJohannes Berg 
1244db7cf1eSJohannes Berg 	if (!base &&
1254db7cf1eSJohannes Berg 	    !(fwrt->trans->dbg.error_event_table_tlv_status &
1264db7cf1eSJohannes Berg 	      IWL_ERROR_EVENT_TABLE_UMAC))
1274db7cf1eSJohannes Berg 		return;
1284db7cf1eSJohannes Berg 
1294db7cf1eSJohannes Berg 	iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
1304db7cf1eSJohannes Berg 
1314db7cf1eSJohannes Berg 	if (table.valid)
1324db7cf1eSJohannes Berg 		fwrt->dump.umac_err_id = table.error_id;
1334db7cf1eSJohannes Berg 
134834f920eSMukesh Sisodiya 	if (!iwl_fwrt_if_errorid_other_cpu(fwrt->dump.umac_err_id) &&
135834f920eSMukesh Sisodiya 	    !fwrt->trans->dbg.dump_file_name_ext_valid) {
136834f920eSMukesh Sisodiya 		fwrt->trans->dbg.dump_file_name_ext_valid = true;
137834f920eSMukesh Sisodiya 		snprintf(fwrt->trans->dbg.dump_file_name_ext, IWL_FW_INI_MAX_NAME,
138834f920eSMukesh Sisodiya 			 "0x%x", fwrt->dump.umac_err_id);
139834f920eSMukesh Sisodiya 	}
140834f920eSMukesh Sisodiya 
1414db7cf1eSJohannes Berg 	if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
1424db7cf1eSJohannes Berg 		IWL_ERR(trans, "Start IWL Error Log Dump:\n");
1434db7cf1eSJohannes Berg 		IWL_ERR(trans, "Transport status: 0x%08lX, valid: %d\n",
1444db7cf1eSJohannes Berg 			fwrt->trans->status, table.valid);
1454db7cf1eSJohannes Berg 	}
1464db7cf1eSJohannes Berg 
1471db385c6SLuca Coelho 	if ((table.error_id & ~FW_SYSASSERT_CPU_MASK) ==
1481db385c6SLuca Coelho 	    FW_SYSASSERT_PNVM_MISSING) {
1491db385c6SLuca Coelho 		iwl_pnvm_get_fs_name(trans, pnvm_name, sizeof(pnvm_name));
1501db385c6SLuca Coelho 		IWL_ERR(fwrt, "PNVM data is missing, please install %s\n",
1511db385c6SLuca Coelho 			pnvm_name);
1521db385c6SLuca Coelho 	}
1531db385c6SLuca Coelho 
1544db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | %s\n", table.error_id,
1554db7cf1eSJohannes Berg 		iwl_fw_lookup_assert_desc(table.error_id));
1564db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | umac branchlink1\n", table.blink1);
1574db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | umac branchlink2\n", table.blink2);
1584db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | umac interruptlink1\n", table.ilink1);
1594db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | umac interruptlink2\n", table.ilink2);
1604db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | umac data1\n", table.data1);
1614db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | umac data2\n", table.data2);
1624db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | umac data3\n", table.data3);
1634db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | umac major\n", table.umac_major);
1644db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | umac minor\n", table.umac_minor);
1654db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | frame pointer\n", table.frame_pointer);
1664db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | stack pointer\n", table.stack_pointer);
1674db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | last host cmd\n", table.cmd_header);
1684db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | isr status reg\n", table.nic_isr_pref);
1694db7cf1eSJohannes Berg }
1704db7cf1eSJohannes Berg 
iwl_fwrt_dump_lmac_error_log(struct iwl_fw_runtime * fwrt,u8 lmac_num)1714db7cf1eSJohannes Berg static void iwl_fwrt_dump_lmac_error_log(struct iwl_fw_runtime *fwrt, u8 lmac_num)
1724db7cf1eSJohannes Berg {
1734db7cf1eSJohannes Berg 	struct iwl_trans *trans = fwrt->trans;
1744db7cf1eSJohannes Berg 	struct iwl_error_event_table table = {};
1754db7cf1eSJohannes Berg 	u32 val, base = fwrt->trans->dbg.lmac_error_event_table[lmac_num];
1764db7cf1eSJohannes Berg 
1774db7cf1eSJohannes Berg 	if (fwrt->cur_fw_img == IWL_UCODE_INIT) {
1784db7cf1eSJohannes Berg 		if (!base)
1794db7cf1eSJohannes Berg 			base = fwrt->fw->init_errlog_ptr;
1804db7cf1eSJohannes Berg 	} else {
1814db7cf1eSJohannes Berg 		if (!base)
1824db7cf1eSJohannes Berg 			base = fwrt->fw->inst_errlog_ptr;
1834db7cf1eSJohannes Berg 	}
1844db7cf1eSJohannes Berg 
185*d166a5c9SMukesh Sisodiya 	if (!base) {
1864db7cf1eSJohannes Berg 		IWL_ERR(fwrt,
1874db7cf1eSJohannes Berg 			"Not valid error log pointer 0x%08X for %s uCode\n",
1884db7cf1eSJohannes Berg 			base,
1894db7cf1eSJohannes Berg 			(fwrt->cur_fw_img == IWL_UCODE_INIT)
1904db7cf1eSJohannes Berg 			? "Init" : "RT");
1914db7cf1eSJohannes Berg 		return;
1924db7cf1eSJohannes Berg 	}
1934db7cf1eSJohannes Berg 
1944db7cf1eSJohannes Berg 	/* check if there is a HW error */
1954db7cf1eSJohannes Berg 	val = iwl_trans_read_mem32(trans, base);
196d4f1a50cSJohannes Berg 	if (iwl_trans_is_hw_error_value(val)) {
1974db7cf1eSJohannes Berg 		int err;
1984db7cf1eSJohannes Berg 
1994db7cf1eSJohannes Berg 		IWL_ERR(trans, "HW error, resetting before reading\n");
2004db7cf1eSJohannes Berg 
2014db7cf1eSJohannes Berg 		/* reset the device */
20215bf5ac6SJohannes Berg 		err = iwl_trans_sw_reset(trans, true);
20315bf5ac6SJohannes Berg 		if (err)
20415bf5ac6SJohannes Berg 			return;
2054db7cf1eSJohannes Berg 
206425d66d8SJohannes Berg 		err = iwl_finish_nic_init(trans);
2074db7cf1eSJohannes Berg 		if (err)
2084db7cf1eSJohannes Berg 			return;
2094db7cf1eSJohannes Berg 	}
2104db7cf1eSJohannes Berg 
2114db7cf1eSJohannes Berg 	iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
2124db7cf1eSJohannes Berg 
2134db7cf1eSJohannes Berg 	if (table.valid)
2144db7cf1eSJohannes Berg 		fwrt->dump.lmac_err_id[lmac_num] = table.error_id;
2154db7cf1eSJohannes Berg 
216834f920eSMukesh Sisodiya 	if (!iwl_fwrt_if_errorid_other_cpu(fwrt->dump.lmac_err_id[lmac_num]) &&
217834f920eSMukesh Sisodiya 	    !fwrt->trans->dbg.dump_file_name_ext_valid) {
218834f920eSMukesh Sisodiya 		fwrt->trans->dbg.dump_file_name_ext_valid = true;
219834f920eSMukesh Sisodiya 		snprintf(fwrt->trans->dbg.dump_file_name_ext, IWL_FW_INI_MAX_NAME,
220834f920eSMukesh Sisodiya 			 "0x%x", fwrt->dump.lmac_err_id[lmac_num]);
221834f920eSMukesh Sisodiya 	}
222834f920eSMukesh Sisodiya 
2234db7cf1eSJohannes Berg 	if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
2244db7cf1eSJohannes Berg 		IWL_ERR(trans, "Start IWL Error Log Dump:\n");
2254db7cf1eSJohannes Berg 		IWL_ERR(trans, "Transport status: 0x%08lX, valid: %d\n",
2264db7cf1eSJohannes Berg 			fwrt->trans->status, table.valid);
2274db7cf1eSJohannes Berg 	}
2284db7cf1eSJohannes Berg 
2294db7cf1eSJohannes Berg 	/* Do not change this output - scripts rely on it */
2304db7cf1eSJohannes Berg 
2314db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "Loaded firmware version: %s\n", fwrt->fw->fw_version);
2324db7cf1eSJohannes Berg 
2334db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | %-28s\n", table.error_id,
2344db7cf1eSJohannes Berg 		iwl_fw_lookup_assert_desc(table.error_id));
2354db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | trm_hw_status0\n", table.trm_hw_status0);
2364db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | trm_hw_status1\n", table.trm_hw_status1);
2374db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | branchlink2\n", table.blink2);
2384db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | interruptlink1\n", table.ilink1);
2394db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | interruptlink2\n", table.ilink2);
2404db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | data1\n", table.data1);
2414db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | data2\n", table.data2);
2424db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | data3\n", table.data3);
2434db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | beacon time\n", table.bcon_time);
2444db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | tsf low\n", table.tsf_low);
2454db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | tsf hi\n", table.tsf_hi);
2464db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | time gp1\n", table.gp1);
2474db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | time gp2\n", table.gp2);
2484db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | uCode revision type\n", table.fw_rev_type);
2494db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | uCode version major\n", table.major);
2504db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | uCode version minor\n", table.minor);
2514db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | hw version\n", table.hw_ver);
2524db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | board version\n", table.brd_ver);
2534db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | hcmd\n", table.hcmd);
2544db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | isr0\n", table.isr0);
2554db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | isr1\n", table.isr1);
2564db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | isr2\n", table.isr2);
2574db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | isr3\n", table.isr3);
2584db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | isr4\n", table.isr4);
2594db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | last cmd Id\n", table.last_cmd_id);
2604db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | wait_event\n", table.wait_event);
2614db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | l2p_control\n", table.l2p_control);
2624db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | l2p_duration\n", table.l2p_duration);
2634db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid);
2644db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | l2p_addr_match\n", table.l2p_addr_match);
2654db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel);
2664db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | timestamp\n", table.u_timestamp);
2674db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | flow_handler\n", table.flow_handler);
2684db7cf1eSJohannes Berg }
2694db7cf1eSJohannes Berg 
27048d0c8d5SJohannes Berg /*
27148d0c8d5SJohannes Berg  * TCM error struct.
27248d0c8d5SJohannes Berg  * Note: This structure is read from the device with IO accesses,
27348d0c8d5SJohannes Berg  * and the reading already does the endian conversion. As it is
27448d0c8d5SJohannes Berg  * read with u32-sized accesses, any members with a different size
27548d0c8d5SJohannes Berg  * need to be ordered correctly though!
27648d0c8d5SJohannes Berg  */
27748d0c8d5SJohannes Berg struct iwl_tcm_error_event_table {
27848d0c8d5SJohannes Berg 	u32 valid;
27948d0c8d5SJohannes Berg 	u32 error_id;
28048d0c8d5SJohannes Berg 	u32 blink2;
28148d0c8d5SJohannes Berg 	u32 ilink1;
28248d0c8d5SJohannes Berg 	u32 ilink2;
28348d0c8d5SJohannes Berg 	u32 data1, data2, data3;
28448d0c8d5SJohannes Berg 	u32 logpc;
28548d0c8d5SJohannes Berg 	u32 frame_pointer;
28648d0c8d5SJohannes Berg 	u32 stack_pointer;
28748d0c8d5SJohannes Berg 	u32 msgid;
28848d0c8d5SJohannes Berg 	u32 isr;
28948d0c8d5SJohannes Berg 	u32 hw_status[5];
29048d0c8d5SJohannes Berg 	u32 sw_status[1];
29148d0c8d5SJohannes Berg 	u32 reserved[4];
29248d0c8d5SJohannes Berg } __packed; /* TCM_LOG_ERROR_TABLE_API_S_VER_1 */
29348d0c8d5SJohannes Berg 
iwl_fwrt_dump_tcm_error_log(struct iwl_fw_runtime * fwrt,int idx)29457417e1bSJohannes Berg static void iwl_fwrt_dump_tcm_error_log(struct iwl_fw_runtime *fwrt, int idx)
29548d0c8d5SJohannes Berg {
29648d0c8d5SJohannes Berg 	struct iwl_trans *trans = fwrt->trans;
29748d0c8d5SJohannes Berg 	struct iwl_tcm_error_event_table table = {};
29857417e1bSJohannes Berg 	u32 base = fwrt->trans->dbg.tcm_error_event_table[idx];
29948d0c8d5SJohannes Berg 	int i;
30057417e1bSJohannes Berg 	u32 flag = idx ? IWL_ERROR_EVENT_TABLE_TCM2 :
30157417e1bSJohannes Berg 			 IWL_ERROR_EVENT_TABLE_TCM1;
30248d0c8d5SJohannes Berg 
30357417e1bSJohannes Berg 	if (!base || !(fwrt->trans->dbg.error_event_table_tlv_status & flag))
30448d0c8d5SJohannes Berg 		return;
30548d0c8d5SJohannes Berg 
30648d0c8d5SJohannes Berg 	iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
30748d0c8d5SJohannes Berg 
308834f920eSMukesh Sisodiya 	if (table.valid)
309834f920eSMukesh Sisodiya 		fwrt->dump.tcm_err_id[idx] = table.error_id;
310834f920eSMukesh Sisodiya 
311834f920eSMukesh Sisodiya 	if (!iwl_fwrt_if_errorid_other_cpu(fwrt->dump.tcm_err_id[idx]) &&
312834f920eSMukesh Sisodiya 	    !fwrt->trans->dbg.dump_file_name_ext_valid) {
313834f920eSMukesh Sisodiya 		fwrt->trans->dbg.dump_file_name_ext_valid = true;
314834f920eSMukesh Sisodiya 		snprintf(fwrt->trans->dbg.dump_file_name_ext, IWL_FW_INI_MAX_NAME,
315834f920eSMukesh Sisodiya 			 "0x%x", fwrt->dump.tcm_err_id[idx]);
316834f920eSMukesh Sisodiya 	}
317834f920eSMukesh Sisodiya 
31857417e1bSJohannes Berg 	IWL_ERR(fwrt, "TCM%d status:\n", idx + 1);
31948d0c8d5SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | error ID\n", table.error_id);
32048d0c8d5SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | tcm branchlink2\n", table.blink2);
32148d0c8d5SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | tcm interruptlink1\n", table.ilink1);
32248d0c8d5SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | tcm interruptlink2\n", table.ilink2);
32348d0c8d5SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | tcm data1\n", table.data1);
32448d0c8d5SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | tcm data2\n", table.data2);
32548d0c8d5SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | tcm data3\n", table.data3);
32648d0c8d5SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | tcm log PC\n", table.logpc);
32748d0c8d5SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | tcm frame pointer\n", table.frame_pointer);
32848d0c8d5SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | tcm stack pointer\n", table.stack_pointer);
32948d0c8d5SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | tcm msg ID\n", table.msgid);
33048d0c8d5SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | tcm ISR status\n", table.isr);
33148d0c8d5SJohannes Berg 	for (i = 0; i < ARRAY_SIZE(table.hw_status); i++)
33248d0c8d5SJohannes Berg 		IWL_ERR(fwrt, "0x%08X | tcm HW status[%d]\n",
33348d0c8d5SJohannes Berg 			table.hw_status[i], i);
33448d0c8d5SJohannes Berg 	for (i = 0; i < ARRAY_SIZE(table.sw_status); i++)
33548d0c8d5SJohannes Berg 		IWL_ERR(fwrt, "0x%08X | tcm SW status[%d]\n",
33648d0c8d5SJohannes Berg 			table.sw_status[i], i);
33748d0c8d5SJohannes Berg }
33848d0c8d5SJohannes Berg 
3394cd177b4SJohannes Berg /*
3404cd177b4SJohannes Berg  * RCM error struct.
3414cd177b4SJohannes Berg  * Note: This structure is read from the device with IO accesses,
3424cd177b4SJohannes Berg  * and the reading already does the endian conversion. As it is
3434cd177b4SJohannes Berg  * read with u32-sized accesses, any members with a different size
3444cd177b4SJohannes Berg  * need to be ordered correctly though!
3454cd177b4SJohannes Berg  */
3464cd177b4SJohannes Berg struct iwl_rcm_error_event_table {
3474cd177b4SJohannes Berg 	u32 valid;
3484cd177b4SJohannes Berg 	u32 error_id;
3494cd177b4SJohannes Berg 	u32 blink2;
3504cd177b4SJohannes Berg 	u32 ilink1;
3514cd177b4SJohannes Berg 	u32 ilink2;
3524cd177b4SJohannes Berg 	u32 data1, data2, data3;
3534cd177b4SJohannes Berg 	u32 logpc;
3544cd177b4SJohannes Berg 	u32 frame_pointer;
3554cd177b4SJohannes Berg 	u32 stack_pointer;
3564cd177b4SJohannes Berg 	u32 msgid;
3574cd177b4SJohannes Berg 	u32 isr;
3584cd177b4SJohannes Berg 	u32 frame_hw_status;
3594cd177b4SJohannes Berg 	u32 mbx_lmac_to_rcm_req;
3604cd177b4SJohannes Berg 	u32 mbx_rcm_to_lmac_req;
3614cd177b4SJohannes Berg 	u32 mh_ctl;
3624cd177b4SJohannes Berg 	u32 mh_addr1_lo;
3634cd177b4SJohannes Berg 	u32 mh_info;
3644cd177b4SJohannes Berg 	u32 mh_err;
3654cd177b4SJohannes Berg 	u32 reserved[3];
3664cd177b4SJohannes Berg } __packed; /* RCM_LOG_ERROR_TABLE_API_S_VER_1 */
3674cd177b4SJohannes Berg 
iwl_fwrt_dump_rcm_error_log(struct iwl_fw_runtime * fwrt,int idx)3684cd177b4SJohannes Berg static void iwl_fwrt_dump_rcm_error_log(struct iwl_fw_runtime *fwrt, int idx)
3694cd177b4SJohannes Berg {
3704cd177b4SJohannes Berg 	struct iwl_trans *trans = fwrt->trans;
3714cd177b4SJohannes Berg 	struct iwl_rcm_error_event_table table = {};
3724cd177b4SJohannes Berg 	u32 base = fwrt->trans->dbg.rcm_error_event_table[idx];
3734cd177b4SJohannes Berg 	u32 flag = idx ? IWL_ERROR_EVENT_TABLE_RCM2 :
3744cd177b4SJohannes Berg 			 IWL_ERROR_EVENT_TABLE_RCM1;
3754cd177b4SJohannes Berg 
3764cd177b4SJohannes Berg 	if (!base || !(fwrt->trans->dbg.error_event_table_tlv_status & flag))
3774cd177b4SJohannes Berg 		return;
3784cd177b4SJohannes Berg 
3794cd177b4SJohannes Berg 	iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
3804cd177b4SJohannes Berg 
381834f920eSMukesh Sisodiya 	if (table.valid)
382834f920eSMukesh Sisodiya 		fwrt->dump.rcm_err_id[idx] = table.error_id;
383834f920eSMukesh Sisodiya 
384834f920eSMukesh Sisodiya 	if (!iwl_fwrt_if_errorid_other_cpu(fwrt->dump.rcm_err_id[idx]) &&
385834f920eSMukesh Sisodiya 	    !fwrt->trans->dbg.dump_file_name_ext_valid) {
386834f920eSMukesh Sisodiya 		fwrt->trans->dbg.dump_file_name_ext_valid = true;
387834f920eSMukesh Sisodiya 		snprintf(fwrt->trans->dbg.dump_file_name_ext, IWL_FW_INI_MAX_NAME,
388834f920eSMukesh Sisodiya 			 "0x%x", fwrt->dump.rcm_err_id[idx]);
389834f920eSMukesh Sisodiya 	}
390834f920eSMukesh Sisodiya 
3914cd177b4SJohannes Berg 	IWL_ERR(fwrt, "RCM%d status:\n", idx + 1);
3924cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | error ID\n", table.error_id);
3934cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | rcm branchlink2\n", table.blink2);
3944cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | rcm interruptlink1\n", table.ilink1);
3954cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | rcm interruptlink2\n", table.ilink2);
3964cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | rcm data1\n", table.data1);
3974cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | rcm data2\n", table.data2);
3984cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | rcm data3\n", table.data3);
3994cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | rcm log PC\n", table.logpc);
4004cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | rcm frame pointer\n", table.frame_pointer);
4014cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | rcm stack pointer\n", table.stack_pointer);
4024cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | rcm msg ID\n", table.msgid);
4034cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | rcm ISR status\n", table.isr);
4044cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | frame HW status\n", table.frame_hw_status);
4054cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | LMAC-to-RCM request mbox\n",
4064cd177b4SJohannes Berg 		table.mbx_lmac_to_rcm_req);
4074cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | RCM-to-LMAC request mbox\n",
4084cd177b4SJohannes Berg 		table.mbx_rcm_to_lmac_req);
4094cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | MAC header control\n", table.mh_ctl);
4104cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | MAC header addr1 low\n", table.mh_addr1_lo);
4114cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | MAC header info\n", table.mh_info);
4124cd177b4SJohannes Berg 	IWL_ERR(fwrt, "0x%08X | MAC header error\n", table.mh_err);
4134cd177b4SJohannes Berg }
4144cd177b4SJohannes Berg 
iwl_fwrt_dump_iml_error_log(struct iwl_fw_runtime * fwrt)4154db7cf1eSJohannes Berg static void iwl_fwrt_dump_iml_error_log(struct iwl_fw_runtime *fwrt)
4164db7cf1eSJohannes Berg {
4174db7cf1eSJohannes Berg 	struct iwl_trans *trans = fwrt->trans;
4184db7cf1eSJohannes Berg 	u32 error, data1;
4194db7cf1eSJohannes Berg 
4204db7cf1eSJohannes Berg 	if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
4214db7cf1eSJohannes Berg 		error = UMAG_SB_CPU_2_STATUS;
4224db7cf1eSJohannes Berg 		data1 = UMAG_SB_CPU_1_STATUS;
4234db7cf1eSJohannes Berg 	} else if (fwrt->trans->trans_cfg->device_family >=
4244db7cf1eSJohannes Berg 		   IWL_DEVICE_FAMILY_8000) {
4254db7cf1eSJohannes Berg 		error = SB_CPU_2_STATUS;
4264db7cf1eSJohannes Berg 		data1 = SB_CPU_1_STATUS;
4274db7cf1eSJohannes Berg 	} else {
4284db7cf1eSJohannes Berg 		return;
4294db7cf1eSJohannes Berg 	}
4304db7cf1eSJohannes Berg 
431a6365c2dSJohannes Berg 	error = iwl_read_umac_prph(trans, error);
4324db7cf1eSJohannes Berg 
4334db7cf1eSJohannes Berg 	IWL_ERR(trans, "IML/ROM dump:\n");
4344db7cf1eSJohannes Berg 
4354db7cf1eSJohannes Berg 	if (error & 0xFFFF0000)
4364db7cf1eSJohannes Berg 		IWL_ERR(trans, "0x%04X | IML/ROM SYSASSERT\n", error >> 16);
4374db7cf1eSJohannes Berg 
4384db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | IML/ROM error/state\n", error);
4394db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "0x%08X | IML/ROM data1\n",
4404db7cf1eSJohannes Berg 		iwl_read_umac_prph(trans, data1));
4414db7cf1eSJohannes Berg 
4424db7cf1eSJohannes Berg 	if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000)
4434db7cf1eSJohannes Berg 		IWL_ERR(fwrt, "0x%08X | IML/ROM WFPM_AUTH_KEY_0\n",
4444db7cf1eSJohannes Berg 			iwl_read_umac_prph(trans, SB_MODIFY_CFG_FLAG));
4454db7cf1eSJohannes Berg }
4464db7cf1eSJohannes Berg 
4474db7cf1eSJohannes Berg #define FSEQ_REG(x) { .addr = (x), .str = #x, }
4484db7cf1eSJohannes Berg 
iwl_fwrt_dump_fseq_regs(struct iwl_fw_runtime * fwrt)4494db7cf1eSJohannes Berg static void iwl_fwrt_dump_fseq_regs(struct iwl_fw_runtime *fwrt)
4504db7cf1eSJohannes Berg {
4514db7cf1eSJohannes Berg 	struct iwl_trans *trans = fwrt->trans;
4524db7cf1eSJohannes Berg 	int i;
4534db7cf1eSJohannes Berg 	struct {
4544db7cf1eSJohannes Berg 		u32 addr;
4554db7cf1eSJohannes Berg 		const char *str;
4564db7cf1eSJohannes Berg 	} fseq_regs[] = {
4574db7cf1eSJohannes Berg 		FSEQ_REG(FSEQ_ERROR_CODE),
4584db7cf1eSJohannes Berg 		FSEQ_REG(FSEQ_TOP_INIT_VERSION),
4594db7cf1eSJohannes Berg 		FSEQ_REG(FSEQ_CNVIO_INIT_VERSION),
4604db7cf1eSJohannes Berg 		FSEQ_REG(FSEQ_OTP_VERSION),
4614db7cf1eSJohannes Berg 		FSEQ_REG(FSEQ_TOP_CONTENT_VERSION),
4624db7cf1eSJohannes Berg 		FSEQ_REG(FSEQ_ALIVE_TOKEN),
4634db7cf1eSJohannes Berg 		FSEQ_REG(FSEQ_CNVI_ID),
4644db7cf1eSJohannes Berg 		FSEQ_REG(FSEQ_CNVR_ID),
4654db7cf1eSJohannes Berg 		FSEQ_REG(CNVI_AUX_MISC_CHIP),
4664db7cf1eSJohannes Berg 		FSEQ_REG(CNVR_AUX_MISC_CHIP),
4674db7cf1eSJohannes Berg 		FSEQ_REG(CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM),
4684db7cf1eSJohannes Berg 		FSEQ_REG(CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR),
469c53c339dSAriel Malamud 		FSEQ_REG(FSEQ_PREV_CNVIO_INIT_VERSION),
470c53c339dSAriel Malamud 		FSEQ_REG(FSEQ_WIFI_FSEQ_VERSION),
471c53c339dSAriel Malamud 		FSEQ_REG(FSEQ_BT_FSEQ_VERSION),
472c53c339dSAriel Malamud 		FSEQ_REG(FSEQ_CLASS_TP_VERSION),
4734db7cf1eSJohannes Berg 	};
4744db7cf1eSJohannes Berg 
4754db7cf1eSJohannes Berg 	if (!iwl_trans_grab_nic_access(trans))
4764db7cf1eSJohannes Berg 		return;
4774db7cf1eSJohannes Berg 
4784db7cf1eSJohannes Berg 	IWL_ERR(fwrt, "Fseq Registers:\n");
4794db7cf1eSJohannes Berg 
4804db7cf1eSJohannes Berg 	for (i = 0; i < ARRAY_SIZE(fseq_regs); i++)
4814db7cf1eSJohannes Berg 		IWL_ERR(fwrt, "0x%08X | %s\n",
4824db7cf1eSJohannes Berg 			iwl_read_prph_no_grab(trans, fseq_regs[i].addr),
4834db7cf1eSJohannes Berg 			fseq_regs[i].str);
4844db7cf1eSJohannes Berg 
4854db7cf1eSJohannes Berg 	iwl_trans_release_nic_access(trans);
4864db7cf1eSJohannes Berg }
4874db7cf1eSJohannes Berg 
iwl_fwrt_dump_error_logs(struct iwl_fw_runtime * fwrt)4884db7cf1eSJohannes Berg void iwl_fwrt_dump_error_logs(struct iwl_fw_runtime *fwrt)
4894db7cf1eSJohannes Berg {
4905e31b3dfSMukesh Sisodiya 	struct iwl_pc_data *pc_data;
4915e31b3dfSMukesh Sisodiya 	u8 count;
4925e31b3dfSMukesh Sisodiya 
4934db7cf1eSJohannes Berg 	if (!test_bit(STATUS_DEVICE_ENABLED, &fwrt->trans->status)) {
4944db7cf1eSJohannes Berg 		IWL_ERR(fwrt,
4954db7cf1eSJohannes Berg 			"DEVICE_ENABLED bit is not set. Aborting dump.\n");
4964db7cf1eSJohannes Berg 		return;
4974db7cf1eSJohannes Berg 	}
4984db7cf1eSJohannes Berg 
4994db7cf1eSJohannes Berg 	iwl_fwrt_dump_lmac_error_log(fwrt, 0);
5004db7cf1eSJohannes Berg 	if (fwrt->trans->dbg.lmac_error_event_table[1])
5014db7cf1eSJohannes Berg 		iwl_fwrt_dump_lmac_error_log(fwrt, 1);
5024db7cf1eSJohannes Berg 	iwl_fwrt_dump_umac_error_log(fwrt);
50357417e1bSJohannes Berg 	iwl_fwrt_dump_tcm_error_log(fwrt, 0);
5044cd177b4SJohannes Berg 	iwl_fwrt_dump_rcm_error_log(fwrt, 0);
505834f920eSMukesh Sisodiya 	if (fwrt->trans->dbg.tcm_error_event_table[1])
50657417e1bSJohannes Berg 		iwl_fwrt_dump_tcm_error_log(fwrt, 1);
507834f920eSMukesh Sisodiya 	if (fwrt->trans->dbg.rcm_error_event_table[1])
5084cd177b4SJohannes Berg 		iwl_fwrt_dump_rcm_error_log(fwrt, 1);
5094db7cf1eSJohannes Berg 	iwl_fwrt_dump_iml_error_log(fwrt);
5104db7cf1eSJohannes Berg 	iwl_fwrt_dump_fseq_regs(fwrt);
5115e31b3dfSMukesh Sisodiya 	if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000) {
5125e31b3dfSMukesh Sisodiya 		pc_data = fwrt->trans->dbg.pc_data;
5132b69d242SMukesh Sisodiya 
5142b69d242SMukesh Sisodiya 		if (!iwl_trans_grab_nic_access(fwrt->trans))
5152b69d242SMukesh Sisodiya 			return;
5165e31b3dfSMukesh Sisodiya 		for (count = 0; count < fwrt->trans->dbg.num_pc;
5175e31b3dfSMukesh Sisodiya 		     count++, pc_data++)
5185e31b3dfSMukesh Sisodiya 			IWL_ERR(fwrt, "%s: 0x%x\n",
5195e31b3dfSMukesh Sisodiya 				pc_data->pc_name,
5202b69d242SMukesh Sisodiya 				iwl_read_prph_no_grab(fwrt->trans,
5212b69d242SMukesh Sisodiya 						      pc_data->pc_address));
5222b69d242SMukesh Sisodiya 		iwl_trans_release_nic_access(fwrt->trans);
5235e31b3dfSMukesh Sisodiya 	}
5249ae4862bSJohannes Berg 
5259ae4862bSJohannes Berg 	if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) {
5269ae4862bSJohannes Berg 		u32 scratch = iwl_read32(fwrt->trans, CSR_FUNC_SCRATCH);
5279ae4862bSJohannes Berg 
5289ae4862bSJohannes Berg 		IWL_ERR(fwrt, "Function Scratch status:\n");
5299ae4862bSJohannes Berg 		IWL_ERR(fwrt, "0x%08X | Func Scratch\n", scratch);
5309ae4862bSJohannes Berg 	}
5314db7cf1eSJohannes Berg }
5324db7cf1eSJohannes Berg IWL_EXPORT_SYMBOL(iwl_fwrt_dump_error_logs);
533