519 lines
15 KiB
C
519 lines
15 KiB
C
/*
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* Copyright (C) 2017 Chelsio Communications. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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*/
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#include "t4_regs.h"
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#include "cxgb4.h"
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#include "cxgb4_cudbg.h"
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#include "cudbg_zlib.h"
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static const struct cxgb4_collect_entity cxgb4_collect_mem_dump[] = {
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{ CUDBG_EDC0, cudbg_collect_edc0_meminfo },
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{ CUDBG_EDC1, cudbg_collect_edc1_meminfo },
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{ CUDBG_MC0, cudbg_collect_mc0_meminfo },
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{ CUDBG_MC1, cudbg_collect_mc1_meminfo },
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{ CUDBG_HMA, cudbg_collect_hma_meminfo },
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};
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static const struct cxgb4_collect_entity cxgb4_collect_hw_dump[] = {
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{ CUDBG_MBOX_LOG, cudbg_collect_mbox_log },
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{ CUDBG_DEV_LOG, cudbg_collect_fw_devlog },
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{ CUDBG_REG_DUMP, cudbg_collect_reg_dump },
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{ CUDBG_CIM_LA, cudbg_collect_cim_la },
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{ CUDBG_CIM_MA_LA, cudbg_collect_cim_ma_la },
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{ CUDBG_CIM_QCFG, cudbg_collect_cim_qcfg },
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{ CUDBG_CIM_IBQ_TP0, cudbg_collect_cim_ibq_tp0 },
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{ CUDBG_CIM_IBQ_TP1, cudbg_collect_cim_ibq_tp1 },
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{ CUDBG_CIM_IBQ_ULP, cudbg_collect_cim_ibq_ulp },
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{ CUDBG_CIM_IBQ_SGE0, cudbg_collect_cim_ibq_sge0 },
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{ CUDBG_CIM_IBQ_SGE1, cudbg_collect_cim_ibq_sge1 },
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{ CUDBG_CIM_IBQ_NCSI, cudbg_collect_cim_ibq_ncsi },
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{ CUDBG_CIM_OBQ_ULP0, cudbg_collect_cim_obq_ulp0 },
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{ CUDBG_CIM_OBQ_ULP1, cudbg_collect_cim_obq_ulp1 },
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{ CUDBG_CIM_OBQ_ULP2, cudbg_collect_cim_obq_ulp2 },
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{ CUDBG_CIM_OBQ_ULP3, cudbg_collect_cim_obq_ulp3 },
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{ CUDBG_CIM_OBQ_SGE, cudbg_collect_cim_obq_sge },
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{ CUDBG_CIM_OBQ_NCSI, cudbg_collect_cim_obq_ncsi },
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{ CUDBG_RSS, cudbg_collect_rss },
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{ CUDBG_RSS_VF_CONF, cudbg_collect_rss_vf_config },
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{ CUDBG_PATH_MTU, cudbg_collect_path_mtu },
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{ CUDBG_PM_STATS, cudbg_collect_pm_stats },
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{ CUDBG_HW_SCHED, cudbg_collect_hw_sched },
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{ CUDBG_TP_INDIRECT, cudbg_collect_tp_indirect },
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{ CUDBG_SGE_INDIRECT, cudbg_collect_sge_indirect },
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{ CUDBG_ULPRX_LA, cudbg_collect_ulprx_la },
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{ CUDBG_TP_LA, cudbg_collect_tp_la },
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{ CUDBG_MEMINFO, cudbg_collect_meminfo },
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{ CUDBG_CIM_PIF_LA, cudbg_collect_cim_pif_la },
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{ CUDBG_CLK, cudbg_collect_clk_info },
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{ CUDBG_CIM_OBQ_RXQ0, cudbg_collect_obq_sge_rx_q0 },
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{ CUDBG_CIM_OBQ_RXQ1, cudbg_collect_obq_sge_rx_q1 },
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{ CUDBG_PCIE_INDIRECT, cudbg_collect_pcie_indirect },
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{ CUDBG_PM_INDIRECT, cudbg_collect_pm_indirect },
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{ CUDBG_TID_INFO, cudbg_collect_tid },
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{ CUDBG_PCIE_CONFIG, cudbg_collect_pcie_config },
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{ CUDBG_DUMP_CONTEXT, cudbg_collect_dump_context },
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{ CUDBG_MPS_TCAM, cudbg_collect_mps_tcam },
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{ CUDBG_VPD_DATA, cudbg_collect_vpd_data },
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{ CUDBG_LE_TCAM, cudbg_collect_le_tcam },
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{ CUDBG_CCTRL, cudbg_collect_cctrl },
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{ CUDBG_MA_INDIRECT, cudbg_collect_ma_indirect },
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{ CUDBG_ULPTX_LA, cudbg_collect_ulptx_la },
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{ CUDBG_UP_CIM_INDIRECT, cudbg_collect_up_cim_indirect },
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{ CUDBG_PBT_TABLE, cudbg_collect_pbt_tables },
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{ CUDBG_HMA_INDIRECT, cudbg_collect_hma_indirect },
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};
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static u32 cxgb4_get_entity_length(struct adapter *adap, u32 entity)
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{
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struct cudbg_tcam tcam_region = { 0 };
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u32 value, n = 0, len = 0;
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switch (entity) {
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case CUDBG_REG_DUMP:
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switch (CHELSIO_CHIP_VERSION(adap->params.chip)) {
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case CHELSIO_T4:
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len = T4_REGMAP_SIZE;
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break;
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case CHELSIO_T5:
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case CHELSIO_T6:
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len = T5_REGMAP_SIZE;
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break;
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default:
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break;
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}
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break;
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case CUDBG_DEV_LOG:
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len = adap->params.devlog.size;
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break;
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case CUDBG_CIM_LA:
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if (is_t6(adap->params.chip)) {
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len = adap->params.cim_la_size / 10 + 1;
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len *= 10 * sizeof(u32);
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} else {
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len = adap->params.cim_la_size / 8;
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len *= 8 * sizeof(u32);
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}
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len += sizeof(u32); /* for reading CIM LA configuration */
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break;
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case CUDBG_CIM_MA_LA:
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len = 2 * CIM_MALA_SIZE * 5 * sizeof(u32);
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break;
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case CUDBG_CIM_QCFG:
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len = sizeof(struct cudbg_cim_qcfg);
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break;
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case CUDBG_CIM_IBQ_TP0:
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case CUDBG_CIM_IBQ_TP1:
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case CUDBG_CIM_IBQ_ULP:
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case CUDBG_CIM_IBQ_SGE0:
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case CUDBG_CIM_IBQ_SGE1:
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case CUDBG_CIM_IBQ_NCSI:
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len = CIM_IBQ_SIZE * 4 * sizeof(u32);
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break;
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case CUDBG_CIM_OBQ_ULP0:
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len = cudbg_cim_obq_size(adap, 0);
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break;
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case CUDBG_CIM_OBQ_ULP1:
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len = cudbg_cim_obq_size(adap, 1);
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break;
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case CUDBG_CIM_OBQ_ULP2:
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len = cudbg_cim_obq_size(adap, 2);
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break;
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case CUDBG_CIM_OBQ_ULP3:
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len = cudbg_cim_obq_size(adap, 3);
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break;
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case CUDBG_CIM_OBQ_SGE:
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len = cudbg_cim_obq_size(adap, 4);
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break;
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case CUDBG_CIM_OBQ_NCSI:
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len = cudbg_cim_obq_size(adap, 5);
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break;
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case CUDBG_CIM_OBQ_RXQ0:
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len = cudbg_cim_obq_size(adap, 6);
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break;
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case CUDBG_CIM_OBQ_RXQ1:
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len = cudbg_cim_obq_size(adap, 7);
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break;
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case CUDBG_EDC0:
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value = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
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if (value & EDRAM0_ENABLE_F) {
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value = t4_read_reg(adap, MA_EDRAM0_BAR_A);
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len = EDRAM0_SIZE_G(value);
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}
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len = cudbg_mbytes_to_bytes(len);
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break;
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case CUDBG_EDC1:
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value = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
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if (value & EDRAM1_ENABLE_F) {
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value = t4_read_reg(adap, MA_EDRAM1_BAR_A);
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len = EDRAM1_SIZE_G(value);
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}
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len = cudbg_mbytes_to_bytes(len);
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break;
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case CUDBG_MC0:
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value = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
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if (value & EXT_MEM0_ENABLE_F) {
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value = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
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len = EXT_MEM0_SIZE_G(value);
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}
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len = cudbg_mbytes_to_bytes(len);
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break;
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case CUDBG_MC1:
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value = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
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if (value & EXT_MEM1_ENABLE_F) {
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value = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
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len = EXT_MEM1_SIZE_G(value);
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}
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len = cudbg_mbytes_to_bytes(len);
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break;
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case CUDBG_RSS:
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len = t4_chip_rss_size(adap) * sizeof(u16);
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break;
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case CUDBG_RSS_VF_CONF:
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len = adap->params.arch.vfcount *
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sizeof(struct cudbg_rss_vf_conf);
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break;
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case CUDBG_PATH_MTU:
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len = NMTUS * sizeof(u16);
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break;
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case CUDBG_PM_STATS:
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len = sizeof(struct cudbg_pm_stats);
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break;
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case CUDBG_HW_SCHED:
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len = sizeof(struct cudbg_hw_sched);
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break;
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case CUDBG_TP_INDIRECT:
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switch (CHELSIO_CHIP_VERSION(adap->params.chip)) {
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case CHELSIO_T5:
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n = sizeof(t5_tp_pio_array) +
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sizeof(t5_tp_tm_pio_array) +
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sizeof(t5_tp_mib_index_array);
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break;
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case CHELSIO_T6:
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n = sizeof(t6_tp_pio_array) +
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sizeof(t6_tp_tm_pio_array) +
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sizeof(t6_tp_mib_index_array);
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break;
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default:
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break;
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}
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n = n / (IREG_NUM_ELEM * sizeof(u32));
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len = sizeof(struct ireg_buf) * n;
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break;
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case CUDBG_SGE_INDIRECT:
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len = sizeof(struct ireg_buf) * 2 +
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sizeof(struct sge_qbase_reg_field);
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break;
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case CUDBG_ULPRX_LA:
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len = sizeof(struct cudbg_ulprx_la);
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break;
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case CUDBG_TP_LA:
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len = sizeof(struct cudbg_tp_la) + TPLA_SIZE * sizeof(u64);
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break;
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case CUDBG_MEMINFO:
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len = sizeof(struct cudbg_ver_hdr) +
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sizeof(struct cudbg_meminfo);
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break;
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case CUDBG_CIM_PIF_LA:
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len = sizeof(struct cudbg_cim_pif_la);
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len += 2 * CIM_PIFLA_SIZE * 6 * sizeof(u32);
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break;
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case CUDBG_CLK:
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len = sizeof(struct cudbg_clk_info);
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break;
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case CUDBG_PCIE_INDIRECT:
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n = sizeof(t5_pcie_pdbg_array) / (IREG_NUM_ELEM * sizeof(u32));
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len = sizeof(struct ireg_buf) * n * 2;
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break;
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case CUDBG_PM_INDIRECT:
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n = sizeof(t5_pm_rx_array) / (IREG_NUM_ELEM * sizeof(u32));
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len = sizeof(struct ireg_buf) * n * 2;
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break;
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case CUDBG_TID_INFO:
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len = sizeof(struct cudbg_tid_info_region_rev1);
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break;
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case CUDBG_PCIE_CONFIG:
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len = sizeof(u32) * CUDBG_NUM_PCIE_CONFIG_REGS;
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break;
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case CUDBG_DUMP_CONTEXT:
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len = cudbg_dump_context_size(adap);
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break;
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case CUDBG_MPS_TCAM:
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len = sizeof(struct cudbg_mps_tcam) *
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adap->params.arch.mps_tcam_size;
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break;
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case CUDBG_VPD_DATA:
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len = sizeof(struct cudbg_vpd_data);
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break;
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case CUDBG_LE_TCAM:
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cudbg_fill_le_tcam_info(adap, &tcam_region);
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len = sizeof(struct cudbg_tcam) +
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sizeof(struct cudbg_tid_data) * tcam_region.max_tid;
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break;
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case CUDBG_CCTRL:
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len = sizeof(u16) * NMTUS * NCCTRL_WIN;
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break;
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case CUDBG_MA_INDIRECT:
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if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5) {
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n = sizeof(t6_ma_ireg_array) /
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(IREG_NUM_ELEM * sizeof(u32));
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len = sizeof(struct ireg_buf) * n * 2;
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}
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break;
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case CUDBG_ULPTX_LA:
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len = sizeof(struct cudbg_ver_hdr) +
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sizeof(struct cudbg_ulptx_la);
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break;
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case CUDBG_UP_CIM_INDIRECT:
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n = 0;
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if (is_t5(adap->params.chip))
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n = sizeof(t5_up_cim_reg_array) /
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((IREG_NUM_ELEM + 1) * sizeof(u32));
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else if (is_t6(adap->params.chip))
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n = sizeof(t6_up_cim_reg_array) /
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((IREG_NUM_ELEM + 1) * sizeof(u32));
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len = sizeof(struct ireg_buf) * n;
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break;
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case CUDBG_PBT_TABLE:
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len = sizeof(struct cudbg_pbt_tables);
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break;
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case CUDBG_MBOX_LOG:
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len = sizeof(struct cudbg_mbox_log) * adap->mbox_log->size;
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break;
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case CUDBG_HMA_INDIRECT:
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if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5) {
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n = sizeof(t6_hma_ireg_array) /
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(IREG_NUM_ELEM * sizeof(u32));
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len = sizeof(struct ireg_buf) * n;
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}
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break;
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case CUDBG_HMA:
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value = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
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if (value & HMA_MUX_F) {
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/* In T6, there's no MC1. So, HMA shares MC1
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* address space.
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*/
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value = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
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len = EXT_MEM1_SIZE_G(value);
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}
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len = cudbg_mbytes_to_bytes(len);
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break;
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default:
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break;
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}
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return len;
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}
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u32 cxgb4_get_dump_length(struct adapter *adap, u32 flag)
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{
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u32 i, entity;
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u32 len = 0;
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u32 wsize;
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if (flag & CXGB4_ETH_DUMP_HW) {
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for (i = 0; i < ARRAY_SIZE(cxgb4_collect_hw_dump); i++) {
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entity = cxgb4_collect_hw_dump[i].entity;
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len += cxgb4_get_entity_length(adap, entity);
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}
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}
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if (flag & CXGB4_ETH_DUMP_MEM) {
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for (i = 0; i < ARRAY_SIZE(cxgb4_collect_mem_dump); i++) {
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entity = cxgb4_collect_mem_dump[i].entity;
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len += cxgb4_get_entity_length(adap, entity);
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}
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}
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/* If compression is enabled, a smaller destination buffer is enough */
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wsize = cudbg_get_workspace_size();
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if (wsize && len > CUDBG_DUMP_BUFF_SIZE)
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len = CUDBG_DUMP_BUFF_SIZE;
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return len;
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}
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static void cxgb4_cudbg_collect_entity(struct cudbg_init *pdbg_init,
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struct cudbg_buffer *dbg_buff,
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const struct cxgb4_collect_entity *e_arr,
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u32 arr_size, void *buf, u32 *tot_size)
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{
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struct cudbg_error cudbg_err = { 0 };
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struct cudbg_entity_hdr *entity_hdr;
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u32 i, total_size = 0;
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int ret;
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for (i = 0; i < arr_size; i++) {
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const struct cxgb4_collect_entity *e = &e_arr[i];
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entity_hdr = cudbg_get_entity_hdr(buf, e->entity);
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entity_hdr->entity_type = e->entity;
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entity_hdr->start_offset = dbg_buff->offset;
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memset(&cudbg_err, 0, sizeof(struct cudbg_error));
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ret = e->collect_cb(pdbg_init, dbg_buff, &cudbg_err);
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if (ret) {
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entity_hdr->size = 0;
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dbg_buff->offset = entity_hdr->start_offset;
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} else {
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cudbg_align_debug_buffer(dbg_buff, entity_hdr);
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}
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/* Log error and continue with next entity */
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if (cudbg_err.sys_err)
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ret = CUDBG_SYSTEM_ERROR;
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entity_hdr->hdr_flags = ret;
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entity_hdr->sys_err = cudbg_err.sys_err;
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entity_hdr->sys_warn = cudbg_err.sys_warn;
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total_size += entity_hdr->size;
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}
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*tot_size += total_size;
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}
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static int cudbg_alloc_compress_buff(struct cudbg_init *pdbg_init)
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{
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u32 workspace_size;
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workspace_size = cudbg_get_workspace_size();
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pdbg_init->compress_buff = vzalloc(CUDBG_COMPRESS_BUFF_SIZE +
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workspace_size);
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if (!pdbg_init->compress_buff)
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return -ENOMEM;
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pdbg_init->compress_buff_size = CUDBG_COMPRESS_BUFF_SIZE;
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pdbg_init->workspace = (u8 *)pdbg_init->compress_buff +
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CUDBG_COMPRESS_BUFF_SIZE - workspace_size;
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return 0;
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}
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static void cudbg_free_compress_buff(struct cudbg_init *pdbg_init)
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{
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if (pdbg_init->compress_buff)
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vfree(pdbg_init->compress_buff);
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}
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int cxgb4_cudbg_collect(struct adapter *adap, void *buf, u32 *buf_size,
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u32 flag)
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{
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struct cudbg_buffer dbg_buff = { 0 };
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u32 size, min_size, total_size = 0;
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struct cudbg_init cudbg_init;
|
|
struct cudbg_hdr *cudbg_hdr;
|
|
int rc;
|
|
|
|
size = *buf_size;
|
|
|
|
memset(&cudbg_init, 0, sizeof(struct cudbg_init));
|
|
cudbg_init.adap = adap;
|
|
cudbg_init.outbuf = buf;
|
|
cudbg_init.outbuf_size = size;
|
|
|
|
dbg_buff.data = buf;
|
|
dbg_buff.size = size;
|
|
dbg_buff.offset = 0;
|
|
|
|
cudbg_hdr = (struct cudbg_hdr *)buf;
|
|
cudbg_hdr->signature = CUDBG_SIGNATURE;
|
|
cudbg_hdr->hdr_len = sizeof(struct cudbg_hdr);
|
|
cudbg_hdr->major_ver = CUDBG_MAJOR_VERSION;
|
|
cudbg_hdr->minor_ver = CUDBG_MINOR_VERSION;
|
|
cudbg_hdr->max_entities = CUDBG_MAX_ENTITY;
|
|
cudbg_hdr->chip_ver = adap->params.chip;
|
|
cudbg_hdr->dump_type = CUDBG_DUMP_TYPE_MINI;
|
|
|
|
min_size = sizeof(struct cudbg_hdr) +
|
|
sizeof(struct cudbg_entity_hdr) *
|
|
cudbg_hdr->max_entities;
|
|
if (size < min_size)
|
|
return -ENOMEM;
|
|
|
|
rc = cudbg_get_workspace_size();
|
|
if (rc) {
|
|
/* Zlib available. So, use zlib deflate */
|
|
cudbg_init.compress_type = CUDBG_COMPRESSION_ZLIB;
|
|
rc = cudbg_alloc_compress_buff(&cudbg_init);
|
|
if (rc) {
|
|
/* Ignore error and continue without compression. */
|
|
dev_warn(adap->pdev_dev,
|
|
"Fail allocating compression buffer ret: %d. Continuing without compression.\n",
|
|
rc);
|
|
cudbg_init.compress_type = CUDBG_COMPRESSION_NONE;
|
|
rc = 0;
|
|
}
|
|
} else {
|
|
cudbg_init.compress_type = CUDBG_COMPRESSION_NONE;
|
|
}
|
|
|
|
cudbg_hdr->compress_type = cudbg_init.compress_type;
|
|
dbg_buff.offset += min_size;
|
|
total_size = dbg_buff.offset;
|
|
|
|
if (flag & CXGB4_ETH_DUMP_HW)
|
|
cxgb4_cudbg_collect_entity(&cudbg_init, &dbg_buff,
|
|
cxgb4_collect_hw_dump,
|
|
ARRAY_SIZE(cxgb4_collect_hw_dump),
|
|
buf,
|
|
&total_size);
|
|
|
|
if (flag & CXGB4_ETH_DUMP_MEM)
|
|
cxgb4_cudbg_collect_entity(&cudbg_init, &dbg_buff,
|
|
cxgb4_collect_mem_dump,
|
|
ARRAY_SIZE(cxgb4_collect_mem_dump),
|
|
buf,
|
|
&total_size);
|
|
|
|
cudbg_free_compress_buff(&cudbg_init);
|
|
cudbg_hdr->data_len = total_size;
|
|
if (cudbg_init.compress_type != CUDBG_COMPRESSION_NONE)
|
|
*buf_size = size;
|
|
else
|
|
*buf_size = total_size;
|
|
return 0;
|
|
}
|
|
|
|
void cxgb4_init_ethtool_dump(struct adapter *adapter)
|
|
{
|
|
adapter->eth_dump.flag = CXGB4_ETH_DUMP_NONE;
|
|
adapter->eth_dump.version = adapter->params.fw_vers;
|
|
adapter->eth_dump.len = 0;
|
|
}
|
|
|
|
static int cxgb4_cudbg_vmcoredd_collect(struct vmcoredd_data *data, void *buf)
|
|
{
|
|
struct adapter *adap = container_of(data, struct adapter, vmcoredd);
|
|
u32 len = data->size;
|
|
|
|
return cxgb4_cudbg_collect(adap, buf, &len, CXGB4_ETH_DUMP_ALL);
|
|
}
|
|
|
|
int cxgb4_cudbg_vmcore_add_dump(struct adapter *adap)
|
|
{
|
|
struct vmcoredd_data *data = &adap->vmcoredd;
|
|
u32 len;
|
|
|
|
len = sizeof(struct cudbg_hdr) +
|
|
sizeof(struct cudbg_entity_hdr) * CUDBG_MAX_ENTITY;
|
|
len += CUDBG_DUMP_BUFF_SIZE;
|
|
|
|
data->size = len;
|
|
snprintf(data->dump_name, sizeof(data->dump_name), "%s_%s",
|
|
cxgb4_driver_name, adap->name);
|
|
data->vmcoredd_callback = cxgb4_cudbg_vmcoredd_collect;
|
|
|
|
return vmcore_add_device_dump(data);
|
|
}
|