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1db5c3472b
We should only collect debug data after exiting suspend state, that's why we delete the current place in d3.c file, and add it to fwrt flows that occur while we can still access the fw and collect debug data. Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20210131201908.eaf378ed403c.I46fae3ee6da1a4b476515b8ad51ad1c0ea2d8381@changeid Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
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/*
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* Copyright (C) 2017 Intel Deutschland GmbH
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* Copyright (C) 2019-2020 Intel Corporation
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*/
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#include "iwl-drv.h"
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#include "runtime.h"
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#include "dbg.h"
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#include "debugfs.h"
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#include "fw/api/soc.h"
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#include "fw/api/commands.h"
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void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans,
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const struct iwl_fw *fw,
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const struct iwl_fw_runtime_ops *ops, void *ops_ctx,
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struct dentry *dbgfs_dir)
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{
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int i;
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memset(fwrt, 0, sizeof(*fwrt));
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fwrt->trans = trans;
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fwrt->fw = fw;
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fwrt->dev = trans->dev;
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fwrt->dump.conf = FW_DBG_INVALID;
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fwrt->ops = ops;
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fwrt->ops_ctx = ops_ctx;
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for (i = 0; i < IWL_FW_RUNTIME_DUMP_WK_NUM; i++) {
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fwrt->dump.wks[i].idx = i;
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INIT_DELAYED_WORK(&fwrt->dump.wks[i].wk, iwl_fw_error_dump_wk);
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}
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iwl_fwrt_dbgfs_register(fwrt, dbgfs_dir);
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}
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IWL_EXPORT_SYMBOL(iwl_fw_runtime_init);
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void iwl_fw_runtime_suspend(struct iwl_fw_runtime *fwrt)
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{
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iwl_fw_suspend_timestamp(fwrt);
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iwl_dbg_tlv_time_point(fwrt, IWL_FW_INI_TIME_POINT_HOST_D3_START, NULL);
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}
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IWL_EXPORT_SYMBOL(iwl_fw_runtime_suspend);
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void iwl_fw_runtime_resume(struct iwl_fw_runtime *fwrt)
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{
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iwl_dbg_tlv_time_point(fwrt, IWL_FW_INI_TIME_POINT_HOST_D3_END, NULL);
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iwl_fw_resume_timestamp(fwrt);
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}
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IWL_EXPORT_SYMBOL(iwl_fw_runtime_resume);
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/* set device type and latency */
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int iwl_set_soc_latency(struct iwl_fw_runtime *fwrt)
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{
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struct iwl_soc_configuration_cmd cmd = {};
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struct iwl_host_cmd hcmd = {
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.id = iwl_cmd_id(SOC_CONFIGURATION_CMD, SYSTEM_GROUP, 0),
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.data[0] = &cmd,
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.len[0] = sizeof(cmd),
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};
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int ret;
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/*
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* In VER_1 of this command, the discrete value is considered
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* an integer; In VER_2, it's a bitmask. Since we have only 2
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* values in VER_1, this is backwards-compatible with VER_2,
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* as long as we don't set any other bits.
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*/
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if (!fwrt->trans->trans_cfg->integrated)
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cmd.flags = cpu_to_le32(SOC_CONFIG_CMD_FLAGS_DISCRETE);
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BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_NONE !=
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SOC_FLAGS_LTR_APPLY_DELAY_NONE);
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BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_200US !=
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SOC_FLAGS_LTR_APPLY_DELAY_200);
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BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_2500US !=
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SOC_FLAGS_LTR_APPLY_DELAY_2500);
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BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_1820US !=
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SOC_FLAGS_LTR_APPLY_DELAY_1820);
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if (fwrt->trans->trans_cfg->ltr_delay != IWL_CFG_TRANS_LTR_DELAY_NONE &&
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!WARN_ON(!fwrt->trans->trans_cfg->integrated))
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cmd.flags |= le32_encode_bits(fwrt->trans->trans_cfg->ltr_delay,
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SOC_FLAGS_LTR_APPLY_DELAY_MASK);
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if (iwl_fw_lookup_cmd_ver(fwrt->fw, IWL_ALWAYS_LONG_GROUP,
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SCAN_REQ_UMAC,
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IWL_FW_CMD_VER_UNKNOWN) >= 2 &&
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fwrt->trans->trans_cfg->low_latency_xtal)
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cmd.flags |= cpu_to_le32(SOC_CONFIG_CMD_FLAGS_LOW_LATENCY);
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cmd.latency = cpu_to_le32(fwrt->trans->trans_cfg->xtal_latency);
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ret = iwl_trans_send_cmd(fwrt->trans, &hcmd);
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if (ret)
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IWL_ERR(fwrt, "Failed to set soc latency: %d\n", ret);
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return ret;
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}
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IWL_EXPORT_SYMBOL(iwl_set_soc_latency);
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