* drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c:819:16: warning: '%s' directive argument is null
@ 2023-09-19 16:33 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2023-09-19 16:33 UTC (permalink / raw)
To: Abhishek Naik
Cc: oe-kbuild-all, linux-kernel, Johannes Berg, Gregory Greenman
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2cf0f715623872823a72e451243bbf555d10d032
commit: 9457077df49e2a637a1f1c3be42c14af604fa920 wifi: iwlwifi: mvm: Add debugfs to get TAS status
date: 6 months ago
config: sparc64-allyesconfig (https://download.01.org/0day-ci/archive/20230920/202309200054.oMYrtDGK-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230920/202309200054.oMYrtDGK-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309200054.oMYrtDGK-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c: In function 'iwl_dbgfs_tas_get_status_read':
>> drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c:819:16: warning: '%s' directive argument is null [-Wformat-overflow=]
819 | pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
820 | dmi_get_system_info(DMI_SYS_VENDOR));
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +819 drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
718
719 static ssize_t iwl_dbgfs_tas_get_status_read(struct file *file,
720 char __user *user_buf,
721 size_t count, loff_t *ppos)
722 {
723 struct iwl_mvm *mvm = file->private_data;
724 struct iwl_mvm_tas_status_resp tas_rsp;
725 struct iwl_mvm_tas_status_resp *rsp = &tas_rsp;
726 static const size_t bufsz = 1024;
727 char *buff, *pos, *endpos;
728 const char * const tas_dis_reason[TAS_DISABLED_REASON_MAX] = {
729 [TAS_DISABLED_DUE_TO_BIOS] =
730 "Due To BIOS",
731 [TAS_DISABLED_DUE_TO_SAR_6DBM] =
732 "Due To SAR Limit Less Than 6 dBm",
733 [TAS_DISABLED_REASON_INVALID] =
734 "N/A",
735 };
736 const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = {
737 [TAS_DYNA_INACTIVE] = "INACTIVE",
738 [TAS_DYNA_INACTIVE_MVM_MODE] =
739 "inactive due to mvm mode",
740 [TAS_DYNA_INACTIVE_TRIGGER_MODE] =
741 "inactive due to trigger mode",
742 [TAS_DYNA_INACTIVE_BLOCK_LISTED] =
743 "inactive due to block listed",
744 [TAS_DYNA_INACTIVE_UHB_NON_US] =
745 "inactive due to uhb non US",
746 [TAS_DYNA_ACTIVE] = "ACTIVE",
747 };
748 struct iwl_host_cmd hcmd = {
749 .id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS),
750 .flags = CMD_WANT_SKB,
751 .len = { 0, },
752 .data = { NULL, },
753 };
754 int ret, i, tmp;
755 bool tas_enabled = false;
756 unsigned long dyn_status;
757
758 if (!iwl_mvm_firmware_running(mvm))
759 return -ENODEV;
760
761 mutex_lock(&mvm->mutex);
762 ret = iwl_mvm_send_cmd(mvm, &hcmd);
763 mutex_unlock(&mvm->mutex);
764 if (ret < 0)
765 return ret;
766
767 buff = kzalloc(bufsz, GFP_KERNEL);
768 if (!buff)
769 return -ENOMEM;
770 pos = buff;
771 endpos = pos + bufsz;
772
773 rsp = (void *)hcmd.resp_pkt->data;
774
775 pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n");
776 for (i = 0; i < rsp->in_dual_radio + 1; i++) {
777 if (rsp->tas_status_mac[i].band != TAS_LMAC_BAND_INVALID &&
778 rsp->tas_status_mac[i].dynamic_status & BIT(TAS_DYNA_ACTIVE)) {
779 pos += scnprintf(pos, endpos - pos, "\tON for ");
780 switch (rsp->tas_status_mac[i].band) {
781 case TAS_LMAC_BAND_HB:
782 pos += scnprintf(pos, endpos - pos, "HB\n");
783 break;
784 case TAS_LMAC_BAND_LB:
785 pos += scnprintf(pos, endpos - pos, "LB\n");
786 break;
787 case TAS_LMAC_BAND_UHB:
788 pos += scnprintf(pos, endpos - pos, "UHB\n");
789 break;
790 case TAS_LMAC_BAND_INVALID:
791 pos += scnprintf(pos, endpos - pos,
792 "INVALID BAND\n");
793 break;
794 default:
795 pos += scnprintf(pos, endpos - pos,
796 "Unsupported band (%d)\n",
797 rsp->tas_status_mac[i].band);
798 goto out;
799 }
800 tas_enabled = true;
801 }
802 }
803 if (!tas_enabled)
804 pos += scnprintf(pos, endpos - pos, "\tOFF\n");
805
806 pos += scnprintf(pos, endpos - pos, "TAS Report\n");
807 pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n",
808 rsp->tas_fw_version);
809 pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n",
810 rsp->is_uhb_for_usa_enable ? "True" : "False");
811 pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n",
812 le16_to_cpu(rsp->curr_mcc));
813
814 pos += scnprintf(pos, endpos - pos, "Block list entries:");
815 for (i = 0; i < APCI_WTAS_BLACK_LIST_MAX; i++)
816 pos += scnprintf(pos, endpos - pos, " 0x%x",
817 le16_to_cpu(rsp->block_list[i]));
818
> 819 pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
820 dmi_get_system_info(DMI_SYS_VENDOR));
821 pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n",
822 iwl_mvm_is_vendor_in_approved_list() ? "YES" : "NO");
823 pos += scnprintf(pos, endpos - pos,
824 "\tDo TAS Support Dual Radio?: %s\n",
825 rsp->in_dual_radio ? "TRUE" : "FALSE");
826
827 for (i = 0; i < rsp->in_dual_radio + 1; i++) {
828 if (rsp->tas_status_mac[i].static_status == 0) {
829 pos += scnprintf(pos, endpos - pos,
830 "Static status: disabled\n");
831 pos += scnprintf(pos, endpos - pos,
832 "Static disabled reason: %s (0)\n",
833 tas_dis_reason[0]);
834 goto out;
835 }
836
837 pos += scnprintf(pos, endpos - pos, "TAS status for ");
838 switch (rsp->tas_status_mac[i].band) {
839 case TAS_LMAC_BAND_HB:
840 pos += scnprintf(pos, endpos - pos, "High band\n");
841 break;
842 case TAS_LMAC_BAND_LB:
843 pos += scnprintf(pos, endpos - pos, "Low band\n");
844 break;
845 case TAS_LMAC_BAND_UHB:
846 pos += scnprintf(pos, endpos - pos,
847 "Ultra high band\n");
848 break;
849 case TAS_LMAC_BAND_INVALID:
850 pos += scnprintf(pos, endpos - pos,
851 "INVALID band\n");
852 break;
853 default:
854 pos += scnprintf(pos, endpos - pos,
855 "Unsupported band (%d)\n",
856 rsp->tas_status_mac[i].band);
857 goto out;
858 }
859 pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n",
860 rsp->tas_status_mac[i].static_status ?
861 "En" : "Dis");
862 pos += scnprintf(pos, endpos - pos,
863 "\tStatic Disabled Reason: ");
864 if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX)
865 pos += scnprintf(pos, endpos - pos, "%s (%d)\n",
866 tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason],
867 rsp->tas_status_mac[i].static_dis_reason);
868 else
869 pos += scnprintf(pos, endpos - pos,
870 "unsupported value (%d)\n",
871 rsp->tas_status_mac[i].static_dis_reason);
872
873 pos += scnprintf(pos, endpos - pos, "Dynamic status:\n");
874 dyn_status = (rsp->tas_status_mac[i].dynamic_status);
875 for_each_set_bit(tmp, &dyn_status, sizeof(dyn_status)) {
876 if (tmp >= 0 && tmp < TAS_DYNA_STATUS_MAX)
877 pos += scnprintf(pos, endpos - pos,
878 "\t%s (%d)\n",
879 tas_current_status[tmp], tmp);
880 }
881
882 pos += scnprintf(pos, endpos - pos,
883 "Is near disconnection?: %s\n",
884 rsp->tas_status_mac[i].near_disconnection ?
885 "True" : "False");
886 tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit);
887 pos += scnprintf(pos, endpos - pos,
888 "Max. regulatory pwr limit (dBm): %d.%03d\n",
889 tmp / 8, 125 * (tmp % 8));
890 tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit);
891 pos += scnprintf(pos, endpos - pos,
892 "SAR limit (dBm): %d.%03d\n",
893 tmp / 8, 125 * (tmp % 8));
894 }
895
896 out:
897 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
898 kfree(buff);
899 iwl_free_resp(&hcmd);
900 return ret;
901 }
902
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread
* drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c:819:16: warning: '%s' directive argument is null
@ 2024-01-07 19:30 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2024-01-07 19:30 UTC (permalink / raw)
To: Abhishek Naik
Cc: oe-kbuild-all, linux-kernel, Johannes Berg, Gregory Greenman
Hi Abhishek,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 52b1853b080a082ec3749c3a9577f6c71b1d4a90
commit: 9457077df49e2a637a1f1c3be42c14af604fa920 wifi: iwlwifi: mvm: Add debugfs to get TAS status
date: 10 months ago
config: sparc-allmodconfig (https://download.01.org/0day-ci/archive/20240108/202401080349.DpysLlAx-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240108/202401080349.DpysLlAx-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401080349.DpysLlAx-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c: In function 'iwl_dbgfs_tas_get_status_read':
>> drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c:819:16: warning: '%s' directive argument is null [-Wformat-overflow=]
819 | pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
820 | dmi_get_system_info(DMI_SYS_VENDOR));
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +819 drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
718
719 static ssize_t iwl_dbgfs_tas_get_status_read(struct file *file,
720 char __user *user_buf,
721 size_t count, loff_t *ppos)
722 {
723 struct iwl_mvm *mvm = file->private_data;
724 struct iwl_mvm_tas_status_resp tas_rsp;
725 struct iwl_mvm_tas_status_resp *rsp = &tas_rsp;
726 static const size_t bufsz = 1024;
727 char *buff, *pos, *endpos;
728 const char * const tas_dis_reason[TAS_DISABLED_REASON_MAX] = {
729 [TAS_DISABLED_DUE_TO_BIOS] =
730 "Due To BIOS",
731 [TAS_DISABLED_DUE_TO_SAR_6DBM] =
732 "Due To SAR Limit Less Than 6 dBm",
733 [TAS_DISABLED_REASON_INVALID] =
734 "N/A",
735 };
736 const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = {
737 [TAS_DYNA_INACTIVE] = "INACTIVE",
738 [TAS_DYNA_INACTIVE_MVM_MODE] =
739 "inactive due to mvm mode",
740 [TAS_DYNA_INACTIVE_TRIGGER_MODE] =
741 "inactive due to trigger mode",
742 [TAS_DYNA_INACTIVE_BLOCK_LISTED] =
743 "inactive due to block listed",
744 [TAS_DYNA_INACTIVE_UHB_NON_US] =
745 "inactive due to uhb non US",
746 [TAS_DYNA_ACTIVE] = "ACTIVE",
747 };
748 struct iwl_host_cmd hcmd = {
749 .id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS),
750 .flags = CMD_WANT_SKB,
751 .len = { 0, },
752 .data = { NULL, },
753 };
754 int ret, i, tmp;
755 bool tas_enabled = false;
756 unsigned long dyn_status;
757
758 if (!iwl_mvm_firmware_running(mvm))
759 return -ENODEV;
760
761 mutex_lock(&mvm->mutex);
762 ret = iwl_mvm_send_cmd(mvm, &hcmd);
763 mutex_unlock(&mvm->mutex);
764 if (ret < 0)
765 return ret;
766
767 buff = kzalloc(bufsz, GFP_KERNEL);
768 if (!buff)
769 return -ENOMEM;
770 pos = buff;
771 endpos = pos + bufsz;
772
773 rsp = (void *)hcmd.resp_pkt->data;
774
775 pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n");
776 for (i = 0; i < rsp->in_dual_radio + 1; i++) {
777 if (rsp->tas_status_mac[i].band != TAS_LMAC_BAND_INVALID &&
778 rsp->tas_status_mac[i].dynamic_status & BIT(TAS_DYNA_ACTIVE)) {
779 pos += scnprintf(pos, endpos - pos, "\tON for ");
780 switch (rsp->tas_status_mac[i].band) {
781 case TAS_LMAC_BAND_HB:
782 pos += scnprintf(pos, endpos - pos, "HB\n");
783 break;
784 case TAS_LMAC_BAND_LB:
785 pos += scnprintf(pos, endpos - pos, "LB\n");
786 break;
787 case TAS_LMAC_BAND_UHB:
788 pos += scnprintf(pos, endpos - pos, "UHB\n");
789 break;
790 case TAS_LMAC_BAND_INVALID:
791 pos += scnprintf(pos, endpos - pos,
792 "INVALID BAND\n");
793 break;
794 default:
795 pos += scnprintf(pos, endpos - pos,
796 "Unsupported band (%d)\n",
797 rsp->tas_status_mac[i].band);
798 goto out;
799 }
800 tas_enabled = true;
801 }
802 }
803 if (!tas_enabled)
804 pos += scnprintf(pos, endpos - pos, "\tOFF\n");
805
806 pos += scnprintf(pos, endpos - pos, "TAS Report\n");
807 pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n",
808 rsp->tas_fw_version);
809 pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n",
810 rsp->is_uhb_for_usa_enable ? "True" : "False");
811 pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n",
812 le16_to_cpu(rsp->curr_mcc));
813
814 pos += scnprintf(pos, endpos - pos, "Block list entries:");
815 for (i = 0; i < APCI_WTAS_BLACK_LIST_MAX; i++)
816 pos += scnprintf(pos, endpos - pos, " 0x%x",
817 le16_to_cpu(rsp->block_list[i]));
818
> 819 pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
820 dmi_get_system_info(DMI_SYS_VENDOR));
821 pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n",
822 iwl_mvm_is_vendor_in_approved_list() ? "YES" : "NO");
823 pos += scnprintf(pos, endpos - pos,
824 "\tDo TAS Support Dual Radio?: %s\n",
825 rsp->in_dual_radio ? "TRUE" : "FALSE");
826
827 for (i = 0; i < rsp->in_dual_radio + 1; i++) {
828 if (rsp->tas_status_mac[i].static_status == 0) {
829 pos += scnprintf(pos, endpos - pos,
830 "Static status: disabled\n");
831 pos += scnprintf(pos, endpos - pos,
832 "Static disabled reason: %s (0)\n",
833 tas_dis_reason[0]);
834 goto out;
835 }
836
837 pos += scnprintf(pos, endpos - pos, "TAS status for ");
838 switch (rsp->tas_status_mac[i].band) {
839 case TAS_LMAC_BAND_HB:
840 pos += scnprintf(pos, endpos - pos, "High band\n");
841 break;
842 case TAS_LMAC_BAND_LB:
843 pos += scnprintf(pos, endpos - pos, "Low band\n");
844 break;
845 case TAS_LMAC_BAND_UHB:
846 pos += scnprintf(pos, endpos - pos,
847 "Ultra high band\n");
848 break;
849 case TAS_LMAC_BAND_INVALID:
850 pos += scnprintf(pos, endpos - pos,
851 "INVALID band\n");
852 break;
853 default:
854 pos += scnprintf(pos, endpos - pos,
855 "Unsupported band (%d)\n",
856 rsp->tas_status_mac[i].band);
857 goto out;
858 }
859 pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n",
860 rsp->tas_status_mac[i].static_status ?
861 "En" : "Dis");
862 pos += scnprintf(pos, endpos - pos,
863 "\tStatic Disabled Reason: ");
864 if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX)
865 pos += scnprintf(pos, endpos - pos, "%s (%d)\n",
866 tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason],
867 rsp->tas_status_mac[i].static_dis_reason);
868 else
869 pos += scnprintf(pos, endpos - pos,
870 "unsupported value (%d)\n",
871 rsp->tas_status_mac[i].static_dis_reason);
872
873 pos += scnprintf(pos, endpos - pos, "Dynamic status:\n");
874 dyn_status = (rsp->tas_status_mac[i].dynamic_status);
875 for_each_set_bit(tmp, &dyn_status, sizeof(dyn_status)) {
876 if (tmp >= 0 && tmp < TAS_DYNA_STATUS_MAX)
877 pos += scnprintf(pos, endpos - pos,
878 "\t%s (%d)\n",
879 tas_current_status[tmp], tmp);
880 }
881
882 pos += scnprintf(pos, endpos - pos,
883 "Is near disconnection?: %s\n",
884 rsp->tas_status_mac[i].near_disconnection ?
885 "True" : "False");
886 tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit);
887 pos += scnprintf(pos, endpos - pos,
888 "Max. regulatory pwr limit (dBm): %d.%03d\n",
889 tmp / 8, 125 * (tmp % 8));
890 tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit);
891 pos += scnprintf(pos, endpos - pos,
892 "SAR limit (dBm): %d.%03d\n",
893 tmp / 8, 125 * (tmp % 8));
894 }
895
896 out:
897 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
898 kfree(buff);
899 iwl_free_resp(&hcmd);
900 return ret;
901 }
902
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread
* drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c:819:16: warning: '%s' directive argument is null
@ 2023-11-04 3:06 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2023-11-04 3:06 UTC (permalink / raw)
To: Abhishek Naik
Cc: oe-kbuild-all, linux-kernel, Johannes Berg, Gregory Greenman
Hi Abhishek,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2c40c1c6adab90ee4660caf03722b3a3ec67767b
commit: 9457077df49e2a637a1f1c3be42c14af604fa920 wifi: iwlwifi: mvm: Add debugfs to get TAS status
date: 8 months ago
config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20231104/202311041011.fAlcTFz5-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231104/202311041011.fAlcTFz5-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311041011.fAlcTFz5-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c: In function 'iwl_dbgfs_tas_get_status_read':
>> drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c:819:16: warning: '%s' directive argument is null [-Wformat-overflow=]
819 | pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
820 | dmi_get_system_info(DMI_SYS_VENDOR));
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +819 drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
718
719 static ssize_t iwl_dbgfs_tas_get_status_read(struct file *file,
720 char __user *user_buf,
721 size_t count, loff_t *ppos)
722 {
723 struct iwl_mvm *mvm = file->private_data;
724 struct iwl_mvm_tas_status_resp tas_rsp;
725 struct iwl_mvm_tas_status_resp *rsp = &tas_rsp;
726 static const size_t bufsz = 1024;
727 char *buff, *pos, *endpos;
728 const char * const tas_dis_reason[TAS_DISABLED_REASON_MAX] = {
729 [TAS_DISABLED_DUE_TO_BIOS] =
730 "Due To BIOS",
731 [TAS_DISABLED_DUE_TO_SAR_6DBM] =
732 "Due To SAR Limit Less Than 6 dBm",
733 [TAS_DISABLED_REASON_INVALID] =
734 "N/A",
735 };
736 const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = {
737 [TAS_DYNA_INACTIVE] = "INACTIVE",
738 [TAS_DYNA_INACTIVE_MVM_MODE] =
739 "inactive due to mvm mode",
740 [TAS_DYNA_INACTIVE_TRIGGER_MODE] =
741 "inactive due to trigger mode",
742 [TAS_DYNA_INACTIVE_BLOCK_LISTED] =
743 "inactive due to block listed",
744 [TAS_DYNA_INACTIVE_UHB_NON_US] =
745 "inactive due to uhb non US",
746 [TAS_DYNA_ACTIVE] = "ACTIVE",
747 };
748 struct iwl_host_cmd hcmd = {
749 .id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS),
750 .flags = CMD_WANT_SKB,
751 .len = { 0, },
752 .data = { NULL, },
753 };
754 int ret, i, tmp;
755 bool tas_enabled = false;
756 unsigned long dyn_status;
757
758 if (!iwl_mvm_firmware_running(mvm))
759 return -ENODEV;
760
761 mutex_lock(&mvm->mutex);
762 ret = iwl_mvm_send_cmd(mvm, &hcmd);
763 mutex_unlock(&mvm->mutex);
764 if (ret < 0)
765 return ret;
766
767 buff = kzalloc(bufsz, GFP_KERNEL);
768 if (!buff)
769 return -ENOMEM;
770 pos = buff;
771 endpos = pos + bufsz;
772
773 rsp = (void *)hcmd.resp_pkt->data;
774
775 pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n");
776 for (i = 0; i < rsp->in_dual_radio + 1; i++) {
777 if (rsp->tas_status_mac[i].band != TAS_LMAC_BAND_INVALID &&
778 rsp->tas_status_mac[i].dynamic_status & BIT(TAS_DYNA_ACTIVE)) {
779 pos += scnprintf(pos, endpos - pos, "\tON for ");
780 switch (rsp->tas_status_mac[i].band) {
781 case TAS_LMAC_BAND_HB:
782 pos += scnprintf(pos, endpos - pos, "HB\n");
783 break;
784 case TAS_LMAC_BAND_LB:
785 pos += scnprintf(pos, endpos - pos, "LB\n");
786 break;
787 case TAS_LMAC_BAND_UHB:
788 pos += scnprintf(pos, endpos - pos, "UHB\n");
789 break;
790 case TAS_LMAC_BAND_INVALID:
791 pos += scnprintf(pos, endpos - pos,
792 "INVALID BAND\n");
793 break;
794 default:
795 pos += scnprintf(pos, endpos - pos,
796 "Unsupported band (%d)\n",
797 rsp->tas_status_mac[i].band);
798 goto out;
799 }
800 tas_enabled = true;
801 }
802 }
803 if (!tas_enabled)
804 pos += scnprintf(pos, endpos - pos, "\tOFF\n");
805
806 pos += scnprintf(pos, endpos - pos, "TAS Report\n");
807 pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n",
808 rsp->tas_fw_version);
809 pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n",
810 rsp->is_uhb_for_usa_enable ? "True" : "False");
811 pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n",
812 le16_to_cpu(rsp->curr_mcc));
813
814 pos += scnprintf(pos, endpos - pos, "Block list entries:");
815 for (i = 0; i < APCI_WTAS_BLACK_LIST_MAX; i++)
816 pos += scnprintf(pos, endpos - pos, " 0x%x",
817 le16_to_cpu(rsp->block_list[i]));
818
> 819 pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
820 dmi_get_system_info(DMI_SYS_VENDOR));
821 pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n",
822 iwl_mvm_is_vendor_in_approved_list() ? "YES" : "NO");
823 pos += scnprintf(pos, endpos - pos,
824 "\tDo TAS Support Dual Radio?: %s\n",
825 rsp->in_dual_radio ? "TRUE" : "FALSE");
826
827 for (i = 0; i < rsp->in_dual_radio + 1; i++) {
828 if (rsp->tas_status_mac[i].static_status == 0) {
829 pos += scnprintf(pos, endpos - pos,
830 "Static status: disabled\n");
831 pos += scnprintf(pos, endpos - pos,
832 "Static disabled reason: %s (0)\n",
833 tas_dis_reason[0]);
834 goto out;
835 }
836
837 pos += scnprintf(pos, endpos - pos, "TAS status for ");
838 switch (rsp->tas_status_mac[i].band) {
839 case TAS_LMAC_BAND_HB:
840 pos += scnprintf(pos, endpos - pos, "High band\n");
841 break;
842 case TAS_LMAC_BAND_LB:
843 pos += scnprintf(pos, endpos - pos, "Low band\n");
844 break;
845 case TAS_LMAC_BAND_UHB:
846 pos += scnprintf(pos, endpos - pos,
847 "Ultra high band\n");
848 break;
849 case TAS_LMAC_BAND_INVALID:
850 pos += scnprintf(pos, endpos - pos,
851 "INVALID band\n");
852 break;
853 default:
854 pos += scnprintf(pos, endpos - pos,
855 "Unsupported band (%d)\n",
856 rsp->tas_status_mac[i].band);
857 goto out;
858 }
859 pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n",
860 rsp->tas_status_mac[i].static_status ?
861 "En" : "Dis");
862 pos += scnprintf(pos, endpos - pos,
863 "\tStatic Disabled Reason: ");
864 if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX)
865 pos += scnprintf(pos, endpos - pos, "%s (%d)\n",
866 tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason],
867 rsp->tas_status_mac[i].static_dis_reason);
868 else
869 pos += scnprintf(pos, endpos - pos,
870 "unsupported value (%d)\n",
871 rsp->tas_status_mac[i].static_dis_reason);
872
873 pos += scnprintf(pos, endpos - pos, "Dynamic status:\n");
874 dyn_status = (rsp->tas_status_mac[i].dynamic_status);
875 for_each_set_bit(tmp, &dyn_status, sizeof(dyn_status)) {
876 if (tmp >= 0 && tmp < TAS_DYNA_STATUS_MAX)
877 pos += scnprintf(pos, endpos - pos,
878 "\t%s (%d)\n",
879 tas_current_status[tmp], tmp);
880 }
881
882 pos += scnprintf(pos, endpos - pos,
883 "Is near disconnection?: %s\n",
884 rsp->tas_status_mac[i].near_disconnection ?
885 "True" : "False");
886 tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit);
887 pos += scnprintf(pos, endpos - pos,
888 "Max. regulatory pwr limit (dBm): %d.%03d\n",
889 tmp / 8, 125 * (tmp % 8));
890 tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit);
891 pos += scnprintf(pos, endpos - pos,
892 "SAR limit (dBm): %d.%03d\n",
893 tmp / 8, 125 * (tmp % 8));
894 }
895
896 out:
897 ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
898 kfree(buff);
899 iwl_free_resp(&hcmd);
900 return ret;
901 }
902
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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