diff options
| author |   Mukesh Sisodiya <mukesh.sisodiya@intel.com> | 2022-02-10 18:22:29 +0200 |
|---|---|---|
| committer |   Luca Coelho <luciano.coelho@intel.com> | 2022-02-18 10:40:55 +0200 |
| commit | 9d200eddae258a1320205d9159f3f60aa50dc6b4 (patch) | |
| tree | c076677b91e7d58a20dcde1f84c5269954b50956 /drivers/net/wireless/intel/iwlwifi/fw/dbg.c | |
| parent | iwlwifi: pcie: iwlwifi: fix device id 7F70 struct (diff) | |
| download | linux-9d200eddae258a1320205d9159f3f60aa50dc6b4.tar.xz linux-9d200eddae258a1320205d9159f3f60aa50dc6b4.zip | |
iwlwifi: yoyo: support dump policy for the dump size
Support dump size limitation based on the TLV by firmware.
This is needed for limited memory systems so only the most
important dumps are sent by driver.
Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20220210181930.d7e1ff264766.If2327fd890a453cdc9069d26220394d0b4e79743@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dbg.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index 238ba4384cd1..656a5e7fb4a0 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -2096,21 +2096,40 @@ static u32 iwl_dump_ini_mem(struct iwl_fw_runtime *fwrt, struct list_head *list, struct iwl_fw_ini_error_dump_data *tlv; struct iwl_fw_ini_error_dump_header *header; u32 type = reg->type; - u32 id = le32_to_cpu(reg->id); + u32 id = le32_get_bits(reg->id, IWL_FW_INI_REGION_ID_MASK); u32 num_of_ranges, i, size; u8 *range; u32 free_size; u64 header_size; + u32 dump_policy = IWL_FW_INI_DUMP_VERBOSE; - /* - * The higher part of the ID from 2 is irrelevant for - * us, so mask it out. - */ - if (le32_to_cpu(reg->hdr.version) >= 2) - id &= IWL_FW_INI_REGION_V2_MASK; + IWL_DEBUG_FW(fwrt, "WRT: Collecting region: dump type=%d, id=%d, type=%d\n", + dump_policy, id, type); - IWL_DEBUG_FW(fwrt, "WRT: Collecting region: id=%d, type=%d\n", id, - type); + if (le32_to_cpu(reg->hdr.version) >= 2) { + u32 dp = le32_get_bits(reg->id, + IWL_FW_INI_REGION_DUMP_POLICY_MASK); + + if (dump_policy == IWL_FW_INI_DUMP_VERBOSE && + !(dp & IWL_FW_INI_DEBUG_DUMP_POLICY_NO_LIMIT)) { + IWL_DEBUG_FW(fwrt, + "WRT: no dump - type %d and policy mismatch=%d\n", + dump_policy, dp); + return 0; + } else if (dump_policy == IWL_FW_INI_DUMP_MEDIUM && + !(dp & IWL_FW_IWL_DEBUG_DUMP_POLICY_MAX_LIMIT_5MB)) { + IWL_DEBUG_FW(fwrt, + "WRT: no dump - type %d and policy mismatch=%d\n", + dump_policy, dp); + return 0; + } else if (dump_policy == IWL_FW_INI_DUMP_BRIEF && + !(dp & IWL_FW_INI_DEBUG_DUMP_POLICY_MAX_LIMIT_600KB)) { + IWL_DEBUG_FW(fwrt, + "WRT: no dump - type %d and policy mismatch=%d\n", + dump_policy, dp); + return 0; + } + } if (!ops->get_num_of_ranges || !ops->get_size || !ops->fill_mem_hdr || !ops->fill_range) { |