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iwlwifi: dbg_ini: implement device internal memory dump

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Implement device internal memory dump in the new dump mechanism.

Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Shahar S Matityahu 2018-12-03 13:40:24 +02:00 committed by Luca Coelho
parent f4f907aa73
commit 6e9f8f9924
2 changed files with 21 additions and 55 deletions
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60
drivers/net/wireless/intel/iwlwifi/fw/dbg.c
View File

@ -707,28 +707,6 @@ static void iwl_fw_dump_mem(struct iwl_fw_runtime *fwrt,
IWL_DEBUG_INFO(fwrt, "WRT memory dump. Type=%u\n", dump_mem->type);
}
static void iwl_fw_dump_named_mem(struct iwl_fw_runtime *fwrt,
struct iwl_fw_error_dump_data **dump_data,
u32 len, u32 ofs, u8 *name, u8 name_len)
{
struct iwl_fw_error_dump_named_mem *dump_mem;
if (!len)
return;
(*dump_data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM);
(*dump_data)->len = cpu_to_le32(len + sizeof(*dump_mem));
dump_mem = (void *)(*dump_data)->data;
dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_NAMED_MEM);
dump_mem->offset = cpu_to_le32(ofs);
dump_mem->name_len = name_len;
memcpy(dump_mem->name, name, name_len);
iwl_trans_read_mem_bytes(fwrt->trans, ofs, dump_mem->data, len);
*dump_data = iwl_fw_error_next_data(*dump_data);
IWL_DEBUG_INFO(fwrt, "WRT memory dump. Type=%u\n", dump_mem->type);
}
#define ADD_LEN(len, item_len, const_len) \
do {size_t item = item_len; len += (!!item) * const_len + item; } \
while (0)
@ -1102,6 +1080,21 @@ static int iwl_dump_ini_csr_iter(struct iwl_fw_runtime *fwrt,
return le32_to_cpu(range->range_data_size);
}
static int iwl_dump_ini_dev_mem_iter(struct iwl_fw_runtime *fwrt,
struct iwl_fw_ini_error_dump_range *range,
struct iwl_fw_ini_region_cfg *reg,
int idx)
{
u32 addr = le32_to_cpu(range->start_addr);
u32 offset = le32_to_cpu(reg->offset);
range->start_addr = reg->start_addr[idx];
range->range_data_size = reg->internal.range_data_size;
iwl_trans_read_mem_bytes(fwrt->trans, addr + offset, range->data,
le32_to_cpu(reg->internal.range_data_size));
return le32_to_cpu(range->range_data_size);
}
static struct iwl_fw_ini_error_dump_range
*iwl_dump_ini_mem_fill_header(struct iwl_fw_runtime *fwrt, void *data)
{
@ -1217,10 +1210,6 @@ static int iwl_fw_ini_get_trigger_len(struct iwl_fw_runtime *fwrt,
type = le32_to_cpu(reg->region_type);
switch (type) {
case IWL_FW_INI_REGION_DEVICE_MEMORY:
size += hdr_len +
sizeof(struct iwl_fw_error_dump_named_mem) +
le32_to_cpu(reg->internal.range_data_size);
break;
case IWL_FW_INI_REGION_PERIPHERY_MAC:
case IWL_FW_INI_REGION_PERIPHERY_PHY:
case IWL_FW_INI_REGION_PERIPHERY_AUX:
@ -1278,20 +1267,13 @@ static void iwl_fw_ini_dump_trigger(struct iwl_fw_runtime *fwrt,
type = le32_to_cpu(reg->region_type);
switch (type) {
case IWL_FW_INI_REGION_DEVICE_MEMORY: {
u32 num_of_ranges =
le32_to_cpu(reg->internal.num_of_ranges);
u32 range_data_size =
le32_to_cpu(reg->internal.range_data_size);
if (WARN_ON(num_of_ranges) > 1)
continue;
iwl_fw_dump_named_mem(fwrt, data, range_data_size,
le32_to_cpu(reg->start_addr[0]),
reg->name,
le32_to_cpu(reg->name_len));
case IWL_FW_INI_REGION_DEVICE_MEMORY:
ops.get_num_of_ranges = iwl_dump_ini_mem_ranges;
ops.get_size = iwl_dump_ini_mem_get_size;
ops.fill_mem_hdr = iwl_dump_ini_mem_fill_header;
ops.fill_range = iwl_dump_ini_dev_mem_iter;
iwl_dump_ini_mem(fwrt, type, data, reg, &ops);
break;
}
case IWL_FW_INI_REGION_PERIPHERY_MAC:
case IWL_FW_INI_REGION_PERIPHERY_PHY:
case IWL_FW_INI_REGION_PERIPHERY_AUX:

16
drivers/net/wireless/intel/iwlwifi/fw/error-dump.h
View File

@ -274,22 +274,6 @@ struct iwl_fw_error_dump_mem {
u8 data[];
};
/**
* struct iwl_fw_error_dump_named_mem - chunk of memory
* @type: &enum iwl_fw_error_dump_mem_type
* @offset: the offset from which the memory was read
* @name_len: name length
* @name: file name
* @data: the content of the memory
*/
struct iwl_fw_error_dump_named_mem {
__le32 type;
__le32 offset;
u8 name_len;
u8 name[32];
u8 data[];
};
/**
* struct iwl_fw_ini_error_dump_range - range of memory
* @start_addr: the start address of this range