diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dump.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/dump.c | 153 |
1 files changed, 93 insertions, 60 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dump.c b/drivers/net/wireless/intel/iwlwifi/fw/dump.c index 016b3a4c5f51..b90f1e9ce691 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dump.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dump.c @@ -12,6 +12,7 @@ #include "iwl-io.h" #include "iwl-prph.h" #include "iwl-csr.h" +#include "pnvm.h" /* * Note: This structure is read from the device with IO accesses, @@ -19,53 +20,6 @@ * read with u32-sized accesses, any members with a different size * need to be ordered correctly though! */ -struct iwl_error_event_table_v1 { - u32 valid; /* (nonzero) valid, (0) log is empty */ - u32 error_id; /* type of error */ - u32 pc; /* program counter */ - u32 blink1; /* branch link */ - u32 blink2; /* branch link */ - u32 ilink1; /* interrupt link */ - u32 ilink2; /* interrupt link */ - u32 data1; /* error-specific data */ - u32 data2; /* error-specific data */ - u32 data3; /* error-specific data */ - u32 bcon_time; /* beacon timer */ - u32 tsf_low; /* network timestamp function timer */ - u32 tsf_hi; /* network timestamp function timer */ - u32 gp1; /* GP1 timer register */ - u32 gp2; /* GP2 timer register */ - u32 gp3; /* GP3 timer register */ - u32 ucode_ver; /* uCode version */ - u32 hw_ver; /* HW Silicon version */ - u32 brd_ver; /* HW board version */ - u32 log_pc; /* log program counter */ - u32 frame_ptr; /* frame pointer */ - u32 stack_ptr; /* stack pointer */ - u32 hcmd; /* last host command header */ - u32 isr0; /* isr status register LMPM_NIC_ISR0: - * rxtx_flag */ - u32 isr1; /* isr status register LMPM_NIC_ISR1: - * host_flag */ - u32 isr2; /* isr status register LMPM_NIC_ISR2: - * enc_flag */ - u32 isr3; /* isr status register LMPM_NIC_ISR3: - * time_flag */ - u32 isr4; /* isr status register LMPM_NIC_ISR4: - * wico interrupt */ - u32 isr_pref; /* isr status register LMPM_NIC_PREF_STAT */ - u32 wait_event; /* wait event() caller address */ - u32 l2p_control; /* L2pControlField */ - u32 l2p_duration; /* L2pDurationField */ - u32 l2p_mhvalid; /* L2pMhValidBits */ - u32 l2p_addr_match; /* L2pAddrMatchStat */ - u32 lmpm_pmg_sel; /* indicate which clocks are turned on - * (LMPM_PMG_SEL) */ - u32 u_timestamp; /* indicate when the date and time of the - * compilation */ - u32 flow_handler; /* FH read/write pointers, RX credit */ -} __packed /* LOG_ERROR_TABLE_API_S_VER_1 */; - struct iwl_error_event_table { u32 valid; /* (nonzero) valid, (0) log is empty */ u32 error_id; /* type of error */ @@ -147,6 +101,7 @@ static void iwl_fwrt_dump_umac_error_log(struct iwl_fw_runtime *fwrt) struct iwl_trans *trans = fwrt->trans; struct iwl_umac_error_event_table table = {}; u32 base = fwrt->trans->dbg.umac_error_event_table; + char pnvm_name[MAX_PNVM_NAME]; if (!base && !(fwrt->trans->dbg.error_event_table_tlv_status & @@ -164,6 +119,13 @@ static void iwl_fwrt_dump_umac_error_log(struct iwl_fw_runtime *fwrt) fwrt->trans->status, table.valid); } + if ((table.error_id & ~FW_SYSASSERT_CPU_MASK) == + FW_SYSASSERT_PNVM_MISSING) { + iwl_pnvm_get_fs_name(trans, pnvm_name, sizeof(pnvm_name)); + IWL_ERR(fwrt, "PNVM data is missing, please install %s\n", + pnvm_name); + } + IWL_ERR(fwrt, "0x%08X | %s\n", table.error_id, iwl_fw_lookup_assert_desc(table.error_id)); IWL_ERR(fwrt, "0x%08X | umac branchlink1\n", table.blink1); @@ -212,7 +174,9 @@ static void iwl_fwrt_dump_lmac_error_log(struct iwl_fw_runtime *fwrt, u8 lmac_nu IWL_ERR(trans, "HW error, resetting before reading\n"); /* reset the device */ - iwl_trans_sw_reset(trans); + err = iwl_trans_sw_reset(trans, true); + if (err) + return; err = iwl_finish_nic_init(trans); if (err) @@ -295,21 +259,21 @@ struct iwl_tcm_error_event_table { u32 reserved[4]; } __packed; /* TCM_LOG_ERROR_TABLE_API_S_VER_1 */ -static void iwl_fwrt_dump_tcm_error_log(struct iwl_fw_runtime *fwrt) +static void iwl_fwrt_dump_tcm_error_log(struct iwl_fw_runtime *fwrt, int idx) { struct iwl_trans *trans = fwrt->trans; struct iwl_tcm_error_event_table table = {}; - u32 base = fwrt->trans->dbg.tcm_error_event_table; + u32 base = fwrt->trans->dbg.tcm_error_event_table[idx]; int i; + u32 flag = idx ? IWL_ERROR_EVENT_TABLE_TCM2 : + IWL_ERROR_EVENT_TABLE_TCM1; - if (!base || - !(fwrt->trans->dbg.error_event_table_tlv_status & - IWL_ERROR_EVENT_TABLE_TCM)) + if (!base || !(fwrt->trans->dbg.error_event_table_tlv_status & flag)) return; iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table)); - IWL_ERR(fwrt, "TCM status:\n"); + IWL_ERR(fwrt, "TCM%d status:\n", idx + 1); IWL_ERR(fwrt, "0x%08X | error ID\n", table.error_id); IWL_ERR(fwrt, "0x%08X | tcm branchlink2\n", table.blink2); IWL_ERR(fwrt, "0x%08X | tcm interruptlink1\n", table.ilink1); @@ -328,13 +292,72 @@ static void iwl_fwrt_dump_tcm_error_log(struct iwl_fw_runtime *fwrt) for (i = 0; i < ARRAY_SIZE(table.sw_status); i++) IWL_ERR(fwrt, "0x%08X | tcm SW status[%d]\n", table.sw_status[i], i); +} - if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) { - u32 scratch = iwl_read32(trans, CSR_FUNC_SCRATCH); +/* + * RCM error struct. + * Note: This structure is read from the device with IO accesses, + * and the reading already does the endian conversion. As it is + * read with u32-sized accesses, any members with a different size + * need to be ordered correctly though! + */ +struct iwl_rcm_error_event_table { + u32 valid; + u32 error_id; + u32 blink2; + u32 ilink1; + u32 ilink2; + u32 data1, data2, data3; + u32 logpc; + u32 frame_pointer; + u32 stack_pointer; + u32 msgid; + u32 isr; + u32 frame_hw_status; + u32 mbx_lmac_to_rcm_req; + u32 mbx_rcm_to_lmac_req; + u32 mh_ctl; + u32 mh_addr1_lo; + u32 mh_info; + u32 mh_err; + u32 reserved[3]; +} __packed; /* RCM_LOG_ERROR_TABLE_API_S_VER_1 */ + +static void iwl_fwrt_dump_rcm_error_log(struct iwl_fw_runtime *fwrt, int idx) +{ + struct iwl_trans *trans = fwrt->trans; + struct iwl_rcm_error_event_table table = {}; + u32 base = fwrt->trans->dbg.rcm_error_event_table[idx]; + u32 flag = idx ? IWL_ERROR_EVENT_TABLE_RCM2 : + IWL_ERROR_EVENT_TABLE_RCM1; - IWL_ERR(fwrt, "Function Scratch status:\n"); - IWL_ERR(fwrt, "0x%08X | Func Scratch\n", scratch); - } + if (!base || !(fwrt->trans->dbg.error_event_table_tlv_status & flag)) + return; + + iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table)); + + IWL_ERR(fwrt, "RCM%d status:\n", idx + 1); + IWL_ERR(fwrt, "0x%08X | error ID\n", table.error_id); + IWL_ERR(fwrt, "0x%08X | rcm branchlink2\n", table.blink2); + IWL_ERR(fwrt, "0x%08X | rcm interruptlink1\n", table.ilink1); + IWL_ERR(fwrt, "0x%08X | rcm interruptlink2\n", table.ilink2); + IWL_ERR(fwrt, "0x%08X | rcm data1\n", table.data1); + IWL_ERR(fwrt, "0x%08X | rcm data2\n", table.data2); + IWL_ERR(fwrt, "0x%08X | rcm data3\n", table.data3); + IWL_ERR(fwrt, "0x%08X | rcm log PC\n", table.logpc); + IWL_ERR(fwrt, "0x%08X | rcm frame pointer\n", table.frame_pointer); + IWL_ERR(fwrt, "0x%08X | rcm stack pointer\n", table.stack_pointer); + IWL_ERR(fwrt, "0x%08X | rcm msg ID\n", table.msgid); + IWL_ERR(fwrt, "0x%08X | rcm ISR status\n", table.isr); + IWL_ERR(fwrt, "0x%08X | frame HW status\n", table.frame_hw_status); + IWL_ERR(fwrt, "0x%08X | LMAC-to-RCM request mbox\n", + table.mbx_lmac_to_rcm_req); + IWL_ERR(fwrt, "0x%08X | RCM-to-LMAC request mbox\n", + table.mbx_rcm_to_lmac_req); + IWL_ERR(fwrt, "0x%08X | MAC header control\n", table.mh_ctl); + IWL_ERR(fwrt, "0x%08X | MAC header addr1 low\n", table.mh_addr1_lo); + IWL_ERR(fwrt, "0x%08X | MAC header info\n", table.mh_info); + IWL_ERR(fwrt, "0x%08X | MAC header error\n", table.mh_err); } static void iwl_fwrt_dump_iml_error_log(struct iwl_fw_runtime *fwrt) @@ -418,8 +441,18 @@ void iwl_fwrt_dump_error_logs(struct iwl_fw_runtime *fwrt) if (fwrt->trans->dbg.lmac_error_event_table[1]) iwl_fwrt_dump_lmac_error_log(fwrt, 1); iwl_fwrt_dump_umac_error_log(fwrt); - iwl_fwrt_dump_tcm_error_log(fwrt); + iwl_fwrt_dump_tcm_error_log(fwrt, 0); + iwl_fwrt_dump_rcm_error_log(fwrt, 0); + iwl_fwrt_dump_tcm_error_log(fwrt, 1); + iwl_fwrt_dump_rcm_error_log(fwrt, 1); iwl_fwrt_dump_iml_error_log(fwrt); iwl_fwrt_dump_fseq_regs(fwrt); + + if (fwrt->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) { + u32 scratch = iwl_read32(fwrt->trans, CSR_FUNC_SCRATCH); + + IWL_ERR(fwrt, "Function Scratch status:\n"); + IWL_ERR(fwrt, "0x%08X | Func Scratch\n", scratch); + } } IWL_EXPORT_SYMBOL(iwl_fwrt_dump_error_logs); |