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iwlwifi: dbg_ini: add version to dump header

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Add version to dump header to allow future changes of the dump struct,
once the ini debug flow becomes operational, without breaking backwards
compatibility.

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
2019-02-17 12:16:53 +02:00
committed by Luca Coelho
parent 9802162f98
commit 990ffe3e81
2 changed files with 11 additions and 0 deletions
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5
drivers/net/wireless/intel/iwlwifi/fw/dbg.c
View File

@@ -1380,6 +1380,8 @@ static void *iwl_dump_ini_mem_fill_header(struct iwl_fw_runtime *fwrt,
{
struct iwl_fw_ini_error_dump *dump = data;
dump->header.version = cpu_to_le32(IWL_INI_DUMP_MEM_VER);
return dump->ranges;
}
@@ -1402,6 +1404,7 @@ static void
MON_BUFF_CYCLE_CNT_VER2);
iwl_trans_release_nic_access(fwrt->trans, &flags);
mon_dump->header.version = cpu_to_le32(IWL_INI_DUMP_MONITOR_VER);
mon_dump->write_ptr = cpu_to_le32(write_ptr);
mon_dump->cycle_cnt = cpu_to_le32(cycle_cnt);
@@ -1414,6 +1417,8 @@ static void *iwl_dump_ini_fifo_fill_header(struct iwl_fw_runtime *fwrt,
{
struct iwl_fw_ini_fifo_error_dump *dump = data;
dump->header.version = cpu_to_le32(IWL_INI_DUMP_FIFO_VER);
return dump->ranges;
}

6
drivers/net/wireless/intel/iwlwifi/fw/error-dump.h
View File

@@ -278,6 +278,10 @@ struct iwl_fw_error_dump_mem {
u8 data[];
};
#define IWL_INI_DUMP_MEM_VER 1
#define IWL_INI_DUMP_MONITOR_VER 1
#define IWL_INI_DUMP_FIFO_VER 1
/**
* struct iwl_fw_ini_error_dump_range - range of memory
* @start_addr: the start address of this range
@@ -292,11 +296,13 @@ struct iwl_fw_ini_error_dump_range {
/**
* struct iwl_fw_ini_error_dump_header - ini region dump header
* @version: dump version
* @num_of_ranges: number of ranges in this region
* @name_len: number of bytes allocated to the name string of this region
* @name: name of the region
*/
struct iwl_fw_ini_error_dump_header {
__le32 version;
__le32 num_of_ranges;
__le32 name_len;
u8 name[IWL_FW_INI_MAX_NAME];