diff options
| author |   Mukesh Sisodiya <mukesh.sisodiya@intel.com> | 2022-01-29 13:16:19 +0200 |
|---|---|---|
| committer |   Luca Coelho <luciano.coelho@intel.com> | 2022-02-18 10:40:51 +0200 |
| commit | c0941ace9a134bd1a9c2c09afad4e6bf0066c1e3 (patch) | |
| tree | a22d3d98ec7a3f87ae722f4832248a819ead7b72 /drivers/net/wireless/intel/iwlwifi/mvm/fw.c | |
| parent | iwlwifi: yoyo: fix DBGC allocation flow (diff) | |
| download | linux-dev-c0941ace9a134bd1a9c2c09afad4e6bf0066c1e3.tar.xz linux-dev-c0941ace9a134bd1a9c2c09afad4e6bf0066c1e3.zip | |
iwlwifi: yoyo: add IMR DRAM dump support
Support debug collection of the platform IMR memory region,
where data is copied by FW during d3 state
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.20220129105618.715f04ecc635.Ib89a6caa06c1324c1c0dd3f9f4cf7407f2857155@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/fw.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index fcbe7c3656ad..14e067c834e8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -127,12 +127,30 @@ static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, u32 version = iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, UCODE_ALIVE_NTFY, 0); - /* - * For v5 and above, we can check the version, for older - * versions we need to check the size. - */ - if (version == 5 || version == 6) { - /* v5 and v6 are compatible (only IMR addition) */ + if (version == 6) { + struct iwl_alive_ntf_v6 *palive; + + if (pkt_len < sizeof(*palive)) + return false; + + palive = (void *)pkt->data; + mvm->trans->dbg.imr_data.imr_enable = + le32_to_cpu(palive->imr.enabled); + mvm->trans->dbg.imr_data.imr_size = + le32_to_cpu(palive->imr.size); + mvm->trans->dbg.imr_data.imr2sram_remainbyte = + mvm->trans->dbg.imr_data.imr_size; + mvm->trans->dbg.imr_data.imr_base_addr = + palive->imr.base_addr; + mvm->trans->dbg.imr_data.imr_curr_addr = + le64_to_cpu(mvm->trans->dbg.imr_data.imr_base_addr); + IWL_DEBUG_FW(mvm, "IMR Enabled: 0x0%x size 0x0%x Address 0x%016llx\n", + mvm->trans->dbg.imr_data.imr_enable, + mvm->trans->dbg.imr_data.imr_size, + le64_to_cpu(mvm->trans->dbg.imr_data.imr_base_addr)); + } + + if (version >= 5) { struct iwl_alive_ntf_v5 *palive; if (pkt_len < sizeof(*palive)) |