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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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0b0eacf3c8
Driver supports 2 types of core dumps.
1. Live dump - Firmware dump when system is up and running.
2. Crash dump - Dump which is collected during firmware crash
that can be retrieved after recovery.
Crash dump is currently supported only on specific 58800 chips
which can be retrieved using OP-TEE API only, as firmware cannot
access this region directly.
User needs to set the dump flag using following command before
initiating the dump collection:
$ ethtool -W|--set-dump eth0 N
Where N is "0" for live dump and "1" for crash dump
Command to collect the dump after setting the flag:
$ ethtool -w eth0 data Filename
v3: Modify set_dump to support even when CONFIG_TEE_BNXT_FW=n.
Also change log message to netdev_info().
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Sheetal Tigadoli <sheetal.tigadoli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
88 lines
1.8 KiB
C
88 lines
1.8 KiB
C
/* Broadcom NetXtreme-C/E network driver.
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*
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* Copyright (c) 2014-2016 Broadcom Corporation
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* Copyright (c) 2016-2017 Broadcom Limited
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation.
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*/
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#ifndef BNXT_ETHTOOL_H
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#define BNXT_ETHTOOL_H
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struct bnxt_led_cfg {
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u8 led_id;
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u8 led_state;
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u8 led_color;
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u8 unused;
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__le16 led_blink_on;
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__le16 led_blink_off;
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u8 led_group_id;
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u8 rsvd;
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};
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#define COREDUMP_LIST_BUF_LEN 2048
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#define COREDUMP_RETRIEVE_BUF_LEN 4096
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struct bnxt_coredump {
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void *data;
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int data_size;
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u16 total_segs;
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};
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struct bnxt_hwrm_dbg_dma_info {
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void *dest_buf;
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int dest_buf_size;
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u16 dma_len;
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u16 seq_off;
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u16 data_len_off;
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u16 segs;
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};
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struct hwrm_dbg_cmn_input {
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__le16 req_type;
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__le16 cmpl_ring;
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__le16 seq_id;
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__le16 target_id;
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__le64 resp_addr;
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__le64 host_dest_addr;
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__le32 host_buf_len;
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};
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struct hwrm_dbg_cmn_output {
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__le16 error_code;
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__le16 req_type;
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__le16 seq_id;
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__le16 resp_len;
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u8 flags;
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#define HWRM_DBG_CMN_FLAGS_MORE 1
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};
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#define BNXT_CRASH_DUMP_LEN (8 << 20)
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#define BNXT_LED_DFLT_ENA \
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(PORT_LED_CFG_REQ_ENABLES_LED0_ID | \
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PORT_LED_CFG_REQ_ENABLES_LED0_STATE | \
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PORT_LED_CFG_REQ_ENABLES_LED0_BLINK_ON | \
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PORT_LED_CFG_REQ_ENABLES_LED0_BLINK_OFF | \
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PORT_LED_CFG_REQ_ENABLES_LED0_GROUP_ID)
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#define BNXT_LED_DFLT_ENA_SHIFT 6
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#define BNXT_LED_DFLT_ENABLES(x) \
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cpu_to_le32(BNXT_LED_DFLT_ENA << (BNXT_LED_DFLT_ENA_SHIFT * (x)))
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#define BNXT_FW_RESET_AP 0xfffe
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#define BNXT_FW_RESET_CHIP 0xffff
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extern const struct ethtool_ops bnxt_ethtool_ops;
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u32 _bnxt_fw_to_ethtool_adv_spds(u16, u8);
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u32 bnxt_fw_to_ethtool_speed(u16);
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u16 bnxt_get_fw_auto_link_speeds(u32);
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void bnxt_ethtool_init(struct bnxt *bp);
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void bnxt_ethtool_free(struct bnxt *bp);
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#endif
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