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iwlwifi: mvm: support alive notification api version2

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Alive notification ver2 support error table information
for 2 CPUs.
This is useful to fetch the error information in case of
firmware assert.

Signed-off-by: Eran Harary <eran.harary@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Eran Harary
2014-02-03 09:29:57 +02:00
committed by Emmanuel Grumbach
parent 9d91356bdc
commit 01a9ca510b
4 changed files with 129 additions and 9 deletions
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61
drivers/net/wireless/iwlwifi/mvm/utils.c
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@@ -376,9 +376,67 @@ struct iwl_error_event_table {
u32 flow_handler; /* FH read/write pointers, RX credit */
} __packed;
/*
* UMAC error struct - relevant starting from family 8000 chip.
* 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_umac_error_event_table {
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 line; /* source code line of error */
u32 umac_ver; /* umac version */
} __packed;
#define ERROR_START_OFFSET (1 * sizeof(u32))
#define ERROR_ELEM_SIZE (7 * sizeof(u32))
static void iwl_mvm_dump_umac_error_log(struct iwl_mvm *mvm)
{
struct iwl_trans *trans = mvm->trans;
struct iwl_umac_error_event_table table;
u32 base;
base = mvm->umac_error_event_table;
if (base < 0x800000 || base >= 0x80C000) {
IWL_ERR(mvm,
"Not valid error log pointer 0x%08X for %s uCode\n",
base,
(mvm->cur_ucode == IWL_UCODE_INIT)
? "Init" : "RT");
return;
}
iwl_trans_read_mem_bytes(trans, base, &table, sizeof(table));
if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
IWL_ERR(trans, "Start IWL Error Log Dump:\n");
IWL_ERR(trans, "Status: 0x%08lX, count: %d\n",
mvm->status, table.valid);
}
IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id,
desc_lookup(table.error_id));
IWL_ERR(mvm, "0x%08X | umac uPc\n", table.pc);
IWL_ERR(mvm, "0x%08X | umac branchlink1\n", table.blink1);
IWL_ERR(mvm, "0x%08X | umac branchlink2\n", table.blink2);
IWL_ERR(mvm, "0x%08X | umac interruptlink1\n", table.ilink1);
IWL_ERR(mvm, "0x%08X | umac interruptlink2\n", table.ilink2);
IWL_ERR(mvm, "0x%08X | umac data1\n", table.data1);
IWL_ERR(mvm, "0x%08X | umac data2\n", table.data2);
IWL_ERR(mvm, "0x%08X | umac version\n", table.umac_ver);
}
void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
{
struct iwl_trans *trans = mvm->trans;
@@ -451,6 +509,9 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
IWL_ERR(mvm, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel);
IWL_ERR(mvm, "0x%08X | timestamp\n", table.u_timestamp);
IWL_ERR(mvm, "0x%08X | flow_handler\n", table.flow_handler);
if (mvm->support_umac_log)
iwl_mvm_dump_umac_error_log(mvm);
}
void iwl_mvm_dump_sram(struct iwl_mvm *mvm)