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https://github.com/physwizz/a155-U-u1.git
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281 lines
8.5 KiB
C
281 lines
8.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2017 Chelsio Communications. All rights reserved.
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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_QDESC, cudbg_collect_qdesc },
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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 const struct cxgb4_collect_entity cxgb4_collect_flash_dump[] = {
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{ CUDBG_FLASH, cudbg_collect_flash },
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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 += cudbg_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 += cudbg_get_entity_length(adap, entity);
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}
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}
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if (flag & CXGB4_ETH_DUMP_FLASH)
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len += adap->params.sf_size;
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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;
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struct cudbg_hdr *cudbg_hdr;
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int rc;
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size = *buf_size;
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memset(&cudbg_init, 0, sizeof(struct cudbg_init));
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cudbg_init.adap = adap;
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cudbg_init.outbuf = buf;
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cudbg_init.outbuf_size = size;
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dbg_buff.data = buf;
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dbg_buff.size = size;
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dbg_buff.offset = 0;
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cudbg_hdr = (struct cudbg_hdr *)buf;
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cudbg_hdr->signature = CUDBG_SIGNATURE;
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cudbg_hdr->hdr_len = sizeof(struct cudbg_hdr);
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cudbg_hdr->major_ver = CUDBG_MAJOR_VERSION;
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cudbg_hdr->minor_ver = CUDBG_MINOR_VERSION;
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cudbg_hdr->max_entities = CUDBG_MAX_ENTITY;
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cudbg_hdr->chip_ver = adap->params.chip;
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cudbg_hdr->dump_type = CUDBG_DUMP_TYPE_MINI;
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min_size = sizeof(struct cudbg_hdr) +
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sizeof(struct cudbg_entity_hdr) *
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cudbg_hdr->max_entities;
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if (size < min_size)
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return -ENOMEM;
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rc = cudbg_get_workspace_size();
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if (rc) {
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/* Zlib available. So, use zlib deflate */
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cudbg_init.compress_type = CUDBG_COMPRESSION_ZLIB;
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rc = cudbg_alloc_compress_buff(&cudbg_init);
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if (rc) {
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/* Ignore error and continue without compression. */
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dev_warn(adap->pdev_dev,
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"Fail allocating compression buffer ret: %d. Continuing without compression.\n",
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rc);
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cudbg_init.compress_type = CUDBG_COMPRESSION_NONE;
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rc = 0;
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}
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} else {
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cudbg_init.compress_type = CUDBG_COMPRESSION_NONE;
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}
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cudbg_hdr->compress_type = cudbg_init.compress_type;
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dbg_buff.offset += min_size;
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total_size = dbg_buff.offset;
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if (flag & CXGB4_ETH_DUMP_HW)
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cxgb4_cudbg_collect_entity(&cudbg_init, &dbg_buff,
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cxgb4_collect_hw_dump,
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ARRAY_SIZE(cxgb4_collect_hw_dump),
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buf,
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&total_size);
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if (flag & CXGB4_ETH_DUMP_MEM)
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cxgb4_cudbg_collect_entity(&cudbg_init, &dbg_buff,
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cxgb4_collect_mem_dump,
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ARRAY_SIZE(cxgb4_collect_mem_dump),
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buf,
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&total_size);
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if (flag & CXGB4_ETH_DUMP_FLASH)
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cxgb4_cudbg_collect_entity(&cudbg_init, &dbg_buff,
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cxgb4_collect_flash_dump,
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ARRAY_SIZE(cxgb4_collect_flash_dump),
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buf,
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&total_size);
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cudbg_free_compress_buff(&cudbg_init);
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cudbg_hdr->data_len = total_size;
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if (cudbg_init.compress_type != CUDBG_COMPRESSION_NONE)
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*buf_size = size;
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else
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*buf_size = total_size;
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return 0;
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}
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void cxgb4_init_ethtool_dump(struct adapter *adapter)
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{
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adapter->eth_dump.flag = CXGB4_ETH_DUMP_NONE;
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adapter->eth_dump.version = adapter->params.fw_vers;
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adapter->eth_dump.len = 0;
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}
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static int cxgb4_cudbg_vmcoredd_collect(struct vmcoredd_data *data, void *buf)
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{
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struct adapter *adap = container_of(data, struct adapter, vmcoredd);
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u32 len = data->size;
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return cxgb4_cudbg_collect(adap, buf, &len, CXGB4_ETH_DUMP_ALL);
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}
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int cxgb4_cudbg_vmcore_add_dump(struct adapter *adap)
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{
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struct vmcoredd_data *data = &adap->vmcoredd;
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u32 len;
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len = sizeof(struct cudbg_hdr) +
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sizeof(struct cudbg_entity_hdr) * CUDBG_MAX_ENTITY;
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len += CUDBG_DUMP_BUFF_SIZE;
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data->size = len;
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snprintf(data->dump_name, sizeof(data->dump_name), "%s_%s",
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cxgb4_driver_name, adap->name);
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data->vmcoredd_callback = cxgb4_cudbg_vmcoredd_collect;
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return vmcore_add_device_dump(data);
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}
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