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854 lines
22 KiB
854 lines
22 KiB
/* Broadcom NetXtreme-C/E network driver. |
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* |
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* Copyright (c) 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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|
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#include <linux/pci.h> |
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#include <linux/netdevice.h> |
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#include <net/devlink.h> |
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#include "bnxt_hsi.h" |
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#include "bnxt.h" |
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#include "bnxt_hwrm.h" |
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#include "bnxt_vfr.h" |
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#include "bnxt_devlink.h" |
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#include "bnxt_ethtool.h" |
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static int |
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bnxt_dl_flash_update(struct devlink *dl, |
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struct devlink_flash_update_params *params, |
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struct netlink_ext_ack *extack) |
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{ |
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struct bnxt *bp = bnxt_get_bp_from_dl(dl); |
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int rc; |
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|
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if (!BNXT_PF(bp)) { |
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NL_SET_ERR_MSG_MOD(extack, |
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"flash update not supported from a VF"); |
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return -EPERM; |
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} |
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devlink_flash_update_status_notify(dl, "Preparing to flash", NULL, 0, 0); |
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rc = bnxt_flash_package_from_fw_obj(bp->dev, params->fw, 0); |
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if (!rc) |
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devlink_flash_update_status_notify(dl, "Flashing done", NULL, 0, 0); |
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else |
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devlink_flash_update_status_notify(dl, "Flashing failed", NULL, 0, 0); |
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return rc; |
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} |
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static int bnxt_fw_reporter_diagnose(struct devlink_health_reporter *reporter, |
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struct devlink_fmsg *fmsg, |
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struct netlink_ext_ack *extack) |
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{ |
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struct bnxt *bp = devlink_health_reporter_priv(reporter); |
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u32 val; |
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int rc; |
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if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) |
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return 0; |
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val = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG); |
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if (BNXT_FW_IS_BOOTING(val)) { |
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rc = devlink_fmsg_string_pair_put(fmsg, "Description", |
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"Not yet completed initialization"); |
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if (rc) |
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return rc; |
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} else if (BNXT_FW_IS_ERR(val)) { |
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rc = devlink_fmsg_string_pair_put(fmsg, "Description", |
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"Encountered fatal error and cannot recover"); |
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if (rc) |
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return rc; |
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} |
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if (val >> 16) { |
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rc = devlink_fmsg_u32_pair_put(fmsg, "Error code", val >> 16); |
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if (rc) |
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return rc; |
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} |
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val = bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG); |
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rc = devlink_fmsg_u32_pair_put(fmsg, "Reset count", val); |
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if (rc) |
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return rc; |
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return 0; |
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} |
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static const struct devlink_health_reporter_ops bnxt_dl_fw_reporter_ops = { |
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.name = "fw", |
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.diagnose = bnxt_fw_reporter_diagnose, |
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}; |
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static int bnxt_fw_reset_recover(struct devlink_health_reporter *reporter, |
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void *priv_ctx, |
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struct netlink_ext_ack *extack) |
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{ |
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struct bnxt *bp = devlink_health_reporter_priv(reporter); |
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if (!priv_ctx) |
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return -EOPNOTSUPP; |
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bnxt_fw_reset(bp); |
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return -EINPROGRESS; |
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} |
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static const |
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struct devlink_health_reporter_ops bnxt_dl_fw_reset_reporter_ops = { |
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.name = "fw_reset", |
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.recover = bnxt_fw_reset_recover, |
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}; |
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static int bnxt_fw_fatal_recover(struct devlink_health_reporter *reporter, |
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void *priv_ctx, |
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struct netlink_ext_ack *extack) |
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{ |
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struct bnxt *bp = devlink_health_reporter_priv(reporter); |
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struct bnxt_fw_reporter_ctx *fw_reporter_ctx = priv_ctx; |
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unsigned long event; |
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if (!priv_ctx) |
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return -EOPNOTSUPP; |
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bp->fw_health->fatal = true; |
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event = fw_reporter_ctx->sp_event; |
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if (event == BNXT_FW_RESET_NOTIFY_SP_EVENT) |
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bnxt_fw_reset(bp); |
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else if (event == BNXT_FW_EXCEPTION_SP_EVENT) |
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bnxt_fw_exception(bp); |
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return -EINPROGRESS; |
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} |
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static const |
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struct devlink_health_reporter_ops bnxt_dl_fw_fatal_reporter_ops = { |
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.name = "fw_fatal", |
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.recover = bnxt_fw_fatal_recover, |
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}; |
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void bnxt_dl_fw_reporters_create(struct bnxt *bp) |
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{ |
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struct bnxt_fw_health *health = bp->fw_health; |
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if (!bp->dl || !health) |
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return; |
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if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET) || health->fw_reset_reporter) |
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goto err_recovery; |
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health->fw_reset_reporter = |
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devlink_health_reporter_create(bp->dl, |
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&bnxt_dl_fw_reset_reporter_ops, |
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0, bp); |
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if (IS_ERR(health->fw_reset_reporter)) { |
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netdev_warn(bp->dev, "Failed to create FW fatal health reporter, rc = %ld\n", |
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PTR_ERR(health->fw_reset_reporter)); |
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health->fw_reset_reporter = NULL; |
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bp->fw_cap &= ~BNXT_FW_CAP_HOT_RESET; |
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} |
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err_recovery: |
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if (!(bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY)) |
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return; |
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if (!health->fw_reporter) { |
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health->fw_reporter = |
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devlink_health_reporter_create(bp->dl, |
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&bnxt_dl_fw_reporter_ops, |
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0, bp); |
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if (IS_ERR(health->fw_reporter)) { |
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netdev_warn(bp->dev, "Failed to create FW health reporter, rc = %ld\n", |
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PTR_ERR(health->fw_reporter)); |
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health->fw_reporter = NULL; |
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bp->fw_cap &= ~BNXT_FW_CAP_ERROR_RECOVERY; |
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return; |
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} |
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} |
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if (health->fw_fatal_reporter) |
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return; |
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health->fw_fatal_reporter = |
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devlink_health_reporter_create(bp->dl, |
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&bnxt_dl_fw_fatal_reporter_ops, |
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0, bp); |
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if (IS_ERR(health->fw_fatal_reporter)) { |
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netdev_warn(bp->dev, "Failed to create FW fatal health reporter, rc = %ld\n", |
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PTR_ERR(health->fw_fatal_reporter)); |
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health->fw_fatal_reporter = NULL; |
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bp->fw_cap &= ~BNXT_FW_CAP_ERROR_RECOVERY; |
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} |
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} |
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void bnxt_dl_fw_reporters_destroy(struct bnxt *bp, bool all) |
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{ |
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struct bnxt_fw_health *health = bp->fw_health; |
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if (!bp->dl || !health) |
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return; |
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if ((all || !(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) && |
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health->fw_reset_reporter) { |
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devlink_health_reporter_destroy(health->fw_reset_reporter); |
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health->fw_reset_reporter = NULL; |
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} |
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if ((bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY) && !all) |
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return; |
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if (health->fw_reporter) { |
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devlink_health_reporter_destroy(health->fw_reporter); |
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health->fw_reporter = NULL; |
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} |
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if (health->fw_fatal_reporter) { |
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devlink_health_reporter_destroy(health->fw_fatal_reporter); |
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health->fw_fatal_reporter = NULL; |
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} |
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} |
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void bnxt_devlink_health_report(struct bnxt *bp, unsigned long event) |
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{ |
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struct bnxt_fw_health *fw_health = bp->fw_health; |
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struct bnxt_fw_reporter_ctx fw_reporter_ctx; |
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fw_reporter_ctx.sp_event = event; |
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switch (event) { |
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case BNXT_FW_RESET_NOTIFY_SP_EVENT: |
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if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) { |
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if (!fw_health->fw_fatal_reporter) |
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return; |
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devlink_health_report(fw_health->fw_fatal_reporter, |
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"FW fatal async event received", |
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&fw_reporter_ctx); |
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return; |
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} |
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if (!fw_health->fw_reset_reporter) |
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return; |
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devlink_health_report(fw_health->fw_reset_reporter, |
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"FW non-fatal reset event received", |
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&fw_reporter_ctx); |
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return; |
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case BNXT_FW_EXCEPTION_SP_EVENT: |
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if (!fw_health->fw_fatal_reporter) |
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return; |
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devlink_health_report(fw_health->fw_fatal_reporter, |
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"FW fatal error reported", |
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&fw_reporter_ctx); |
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return; |
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} |
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} |
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void bnxt_dl_health_status_update(struct bnxt *bp, bool healthy) |
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{ |
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struct bnxt_fw_health *health = bp->fw_health; |
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u8 state; |
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if (healthy) |
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state = DEVLINK_HEALTH_REPORTER_STATE_HEALTHY; |
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else |
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state = DEVLINK_HEALTH_REPORTER_STATE_ERROR; |
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if (health->fatal) |
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devlink_health_reporter_state_update(health->fw_fatal_reporter, |
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state); |
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else |
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devlink_health_reporter_state_update(health->fw_reset_reporter, |
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state); |
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health->fatal = false; |
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} |
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void bnxt_dl_health_recovery_done(struct bnxt *bp) |
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{ |
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struct bnxt_fw_health *hlth = bp->fw_health; |
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if (hlth->fatal) |
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devlink_health_reporter_recovery_done(hlth->fw_fatal_reporter); |
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else |
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devlink_health_reporter_recovery_done(hlth->fw_reset_reporter); |
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} |
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static int bnxt_dl_info_get(struct devlink *dl, struct devlink_info_req *req, |
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struct netlink_ext_ack *extack); |
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static const struct devlink_ops bnxt_dl_ops = { |
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#ifdef CONFIG_BNXT_SRIOV |
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.eswitch_mode_set = bnxt_dl_eswitch_mode_set, |
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.eswitch_mode_get = bnxt_dl_eswitch_mode_get, |
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#endif /* CONFIG_BNXT_SRIOV */ |
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.info_get = bnxt_dl_info_get, |
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.flash_update = bnxt_dl_flash_update, |
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}; |
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static const struct devlink_ops bnxt_vf_dl_ops; |
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enum bnxt_dl_param_id { |
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BNXT_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, |
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BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK, |
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}; |
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static const struct bnxt_dl_nvm_param nvm_params[] = { |
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{DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, NVM_OFF_ENABLE_SRIOV, |
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BNXT_NVM_SHARED_CFG, 1, 1}, |
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{DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, NVM_OFF_IGNORE_ARI, |
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BNXT_NVM_SHARED_CFG, 1, 1}, |
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{DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, |
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NVM_OFF_MSIX_VEC_PER_PF_MAX, BNXT_NVM_SHARED_CFG, 10, 4}, |
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{DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, |
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NVM_OFF_MSIX_VEC_PER_PF_MIN, BNXT_NVM_SHARED_CFG, 7, 4}, |
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{BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK, NVM_OFF_DIS_GRE_VER_CHECK, |
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BNXT_NVM_SHARED_CFG, 1, 1}, |
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}; |
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union bnxt_nvm_data { |
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u8 val8; |
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__le32 val32; |
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}; |
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static void bnxt_copy_to_nvm_data(union bnxt_nvm_data *dst, |
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union devlink_param_value *src, |
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int nvm_num_bits, int dl_num_bytes) |
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{ |
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u32 val32 = 0; |
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if (nvm_num_bits == 1) { |
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dst->val8 = src->vbool; |
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return; |
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} |
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if (dl_num_bytes == 4) |
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val32 = src->vu32; |
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else if (dl_num_bytes == 2) |
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val32 = (u32)src->vu16; |
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else if (dl_num_bytes == 1) |
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val32 = (u32)src->vu8; |
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dst->val32 = cpu_to_le32(val32); |
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} |
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static void bnxt_copy_from_nvm_data(union devlink_param_value *dst, |
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union bnxt_nvm_data *src, |
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int nvm_num_bits, int dl_num_bytes) |
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{ |
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u32 val32; |
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if (nvm_num_bits == 1) { |
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dst->vbool = src->val8; |
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return; |
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} |
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val32 = le32_to_cpu(src->val32); |
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if (dl_num_bytes == 4) |
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dst->vu32 = val32; |
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else if (dl_num_bytes == 2) |
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dst->vu16 = (u16)val32; |
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else if (dl_num_bytes == 1) |
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dst->vu8 = (u8)val32; |
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} |
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static int bnxt_hwrm_get_nvm_cfg_ver(struct bnxt *bp, u32 *nvm_cfg_ver) |
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{ |
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struct hwrm_nvm_get_variable_input *req; |
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u16 bytes = BNXT_NVM_CFG_VER_BYTES; |
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u16 bits = BNXT_NVM_CFG_VER_BITS; |
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union devlink_param_value ver; |
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union bnxt_nvm_data *data; |
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dma_addr_t data_dma_addr; |
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int rc, i = 2; |
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u16 dim = 1; |
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rc = hwrm_req_init(bp, req, HWRM_NVM_GET_VARIABLE); |
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if (rc) |
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return rc; |
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data = hwrm_req_dma_slice(bp, req, sizeof(*data), &data_dma_addr); |
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if (!data) { |
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rc = -ENOMEM; |
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goto exit; |
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} |
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/* earlier devices present as an array of raw bytes */ |
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if (!BNXT_CHIP_P5(bp)) { |
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dim = 0; |
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i = 0; |
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bits *= 3; /* array of 3 version components */ |
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bytes *= 4; /* copy whole word */ |
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} |
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hwrm_req_hold(bp, req); |
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req->dest_data_addr = cpu_to_le64(data_dma_addr); |
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req->data_len = cpu_to_le16(bits); |
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req->option_num = cpu_to_le16(NVM_OFF_NVM_CFG_VER); |
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req->dimensions = cpu_to_le16(dim); |
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while (i >= 0) { |
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req->index_0 = cpu_to_le16(i--); |
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rc = hwrm_req_send_silent(bp, req); |
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if (rc) |
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goto exit; |
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bnxt_copy_from_nvm_data(&ver, data, bits, bytes); |
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if (BNXT_CHIP_P5(bp)) { |
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*nvm_cfg_ver <<= 8; |
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*nvm_cfg_ver |= ver.vu8; |
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} else { |
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*nvm_cfg_ver = ver.vu32; |
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} |
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} |
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exit: |
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hwrm_req_drop(bp, req); |
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return rc; |
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} |
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static int bnxt_dl_info_put(struct bnxt *bp, struct devlink_info_req *req, |
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enum bnxt_dl_version_type type, const char *key, |
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char *buf) |
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{ |
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if (!strlen(buf)) |
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return 0; |
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if ((bp->flags & BNXT_FLAG_CHIP_P5) && |
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(!strcmp(key, DEVLINK_INFO_VERSION_GENERIC_FW_NCSI) || |
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!strcmp(key, DEVLINK_INFO_VERSION_GENERIC_FW_ROCE))) |
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return 0; |
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switch (type) { |
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case BNXT_VERSION_FIXED: |
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return devlink_info_version_fixed_put(req, key, buf); |
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case BNXT_VERSION_RUNNING: |
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return devlink_info_version_running_put(req, key, buf); |
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case BNXT_VERSION_STORED: |
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return devlink_info_version_stored_put(req, key, buf); |
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} |
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return 0; |
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} |
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#define HWRM_FW_VER_STR_LEN 16 |
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|
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static int bnxt_dl_info_get(struct devlink *dl, struct devlink_info_req *req, |
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struct netlink_ext_ack *extack) |
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{ |
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struct hwrm_nvm_get_dev_info_output nvm_dev_info; |
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struct bnxt *bp = bnxt_get_bp_from_dl(dl); |
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struct hwrm_ver_get_output *ver_resp; |
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char mgmt_ver[FW_VER_STR_LEN]; |
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char roce_ver[FW_VER_STR_LEN]; |
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char ncsi_ver[FW_VER_STR_LEN]; |
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char buf[32]; |
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u32 ver = 0; |
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int rc; |
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|
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rc = devlink_info_driver_name_put(req, DRV_MODULE_NAME); |
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if (rc) |
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return rc; |
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|
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if (BNXT_PF(bp) && (bp->flags & BNXT_FLAG_DSN_VALID)) { |
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sprintf(buf, "%02X-%02X-%02X-%02X-%02X-%02X-%02X-%02X", |
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bp->dsn[7], bp->dsn[6], bp->dsn[5], bp->dsn[4], |
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bp->dsn[3], bp->dsn[2], bp->dsn[1], bp->dsn[0]); |
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rc = devlink_info_serial_number_put(req, buf); |
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if (rc) |
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return rc; |
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} |
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|
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if (strlen(bp->board_serialno)) { |
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rc = devlink_info_board_serial_number_put(req, bp->board_serialno); |
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if (rc) |
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return rc; |
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} |
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|
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rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_FIXED, |
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DEVLINK_INFO_VERSION_GENERIC_BOARD_ID, |
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bp->board_partno); |
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if (rc) |
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return rc; |
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|
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sprintf(buf, "%X", bp->chip_num); |
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rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_FIXED, |
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DEVLINK_INFO_VERSION_GENERIC_ASIC_ID, buf); |
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if (rc) |
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return rc; |
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|
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ver_resp = &bp->ver_resp; |
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sprintf(buf, "%c%d", 'A' + ver_resp->chip_rev, ver_resp->chip_metal); |
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rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_FIXED, |
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DEVLINK_INFO_VERSION_GENERIC_ASIC_REV, buf); |
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if (rc) |
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return rc; |
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|
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rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_RUNNING, |
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DEVLINK_INFO_VERSION_GENERIC_FW_PSID, |
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bp->nvm_cfg_ver); |
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if (rc) |
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return rc; |
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|
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buf[0] = 0; |
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strncat(buf, ver_resp->active_pkg_name, HWRM_FW_VER_STR_LEN); |
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rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_RUNNING, |
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DEVLINK_INFO_VERSION_GENERIC_FW, buf); |
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if (rc) |
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return rc; |
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|
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if (BNXT_PF(bp) && !bnxt_hwrm_get_nvm_cfg_ver(bp, &ver)) { |
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sprintf(buf, "%d.%d.%d", (ver >> 16) & 0xff, (ver >> 8) & 0xff, |
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ver & 0xff); |
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rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_STORED, |
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DEVLINK_INFO_VERSION_GENERIC_FW_PSID, |
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buf); |
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if (rc) |
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return rc; |
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} |
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|
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if (ver_resp->flags & VER_GET_RESP_FLAGS_EXT_VER_AVAIL) { |
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snprintf(mgmt_ver, FW_VER_STR_LEN, "%d.%d.%d.%d", |
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ver_resp->hwrm_fw_major, ver_resp->hwrm_fw_minor, |
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ver_resp->hwrm_fw_build, ver_resp->hwrm_fw_patch); |
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|
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snprintf(ncsi_ver, FW_VER_STR_LEN, "%d.%d.%d.%d", |
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ver_resp->mgmt_fw_major, ver_resp->mgmt_fw_minor, |
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ver_resp->mgmt_fw_build, ver_resp->mgmt_fw_patch); |
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|
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snprintf(roce_ver, FW_VER_STR_LEN, "%d.%d.%d.%d", |
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ver_resp->roce_fw_major, ver_resp->roce_fw_minor, |
|
ver_resp->roce_fw_build, ver_resp->roce_fw_patch); |
|
} else { |
|
snprintf(mgmt_ver, FW_VER_STR_LEN, "%d.%d.%d.%d", |
|
ver_resp->hwrm_fw_maj_8b, ver_resp->hwrm_fw_min_8b, |
|
ver_resp->hwrm_fw_bld_8b, ver_resp->hwrm_fw_rsvd_8b); |
|
|
|
snprintf(ncsi_ver, FW_VER_STR_LEN, "%d.%d.%d.%d", |
|
ver_resp->mgmt_fw_maj_8b, ver_resp->mgmt_fw_min_8b, |
|
ver_resp->mgmt_fw_bld_8b, ver_resp->mgmt_fw_rsvd_8b); |
|
|
|
snprintf(roce_ver, FW_VER_STR_LEN, "%d.%d.%d.%d", |
|
ver_resp->roce_fw_maj_8b, ver_resp->roce_fw_min_8b, |
|
ver_resp->roce_fw_bld_8b, ver_resp->roce_fw_rsvd_8b); |
|
} |
|
rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_RUNNING, |
|
DEVLINK_INFO_VERSION_GENERIC_FW_MGMT, mgmt_ver); |
|
if (rc) |
|
return rc; |
|
|
|
rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_RUNNING, |
|
DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API, |
|
bp->hwrm_ver_supp); |
|
if (rc) |
|
return rc; |
|
|
|
rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_RUNNING, |
|
DEVLINK_INFO_VERSION_GENERIC_FW_NCSI, ncsi_ver); |
|
if (rc) |
|
return rc; |
|
|
|
rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_RUNNING, |
|
DEVLINK_INFO_VERSION_GENERIC_FW_ROCE, roce_ver); |
|
if (rc) |
|
return rc; |
|
|
|
rc = bnxt_hwrm_nvm_get_dev_info(bp, &nvm_dev_info); |
|
if (rc || |
|
!(nvm_dev_info.flags & NVM_GET_DEV_INFO_RESP_FLAGS_FW_VER_VALID)) |
|
return 0; |
|
|
|
buf[0] = 0; |
|
strncat(buf, nvm_dev_info.pkg_name, HWRM_FW_VER_STR_LEN); |
|
rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_STORED, |
|
DEVLINK_INFO_VERSION_GENERIC_FW, buf); |
|
if (rc) |
|
return rc; |
|
|
|
snprintf(mgmt_ver, FW_VER_STR_LEN, "%d.%d.%d.%d", |
|
nvm_dev_info.hwrm_fw_major, nvm_dev_info.hwrm_fw_minor, |
|
nvm_dev_info.hwrm_fw_build, nvm_dev_info.hwrm_fw_patch); |
|
rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_STORED, |
|
DEVLINK_INFO_VERSION_GENERIC_FW_MGMT, mgmt_ver); |
|
if (rc) |
|
return rc; |
|
|
|
snprintf(ncsi_ver, FW_VER_STR_LEN, "%d.%d.%d.%d", |
|
nvm_dev_info.mgmt_fw_major, nvm_dev_info.mgmt_fw_minor, |
|
nvm_dev_info.mgmt_fw_build, nvm_dev_info.mgmt_fw_patch); |
|
rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_STORED, |
|
DEVLINK_INFO_VERSION_GENERIC_FW_NCSI, ncsi_ver); |
|
if (rc) |
|
return rc; |
|
|
|
snprintf(roce_ver, FW_VER_STR_LEN, "%d.%d.%d.%d", |
|
nvm_dev_info.roce_fw_major, nvm_dev_info.roce_fw_minor, |
|
nvm_dev_info.roce_fw_build, nvm_dev_info.roce_fw_patch); |
|
return bnxt_dl_info_put(bp, req, BNXT_VERSION_STORED, |
|
DEVLINK_INFO_VERSION_GENERIC_FW_ROCE, roce_ver); |
|
} |
|
|
|
static int bnxt_hwrm_nvm_req(struct bnxt *bp, u32 param_id, void *msg, |
|
union devlink_param_value *val) |
|
{ |
|
struct hwrm_nvm_get_variable_input *req = msg; |
|
struct bnxt_dl_nvm_param nvm_param; |
|
struct hwrm_err_output *resp; |
|
union bnxt_nvm_data *data; |
|
dma_addr_t data_dma_addr; |
|
int idx = 0, rc, i; |
|
|
|
/* Get/Set NVM CFG parameter is supported only on PFs */ |
|
if (BNXT_VF(bp)) { |
|
hwrm_req_drop(bp, req); |
|
return -EPERM; |
|
} |
|
|
|
for (i = 0; i < ARRAY_SIZE(nvm_params); i++) { |
|
if (nvm_params[i].id == param_id) { |
|
nvm_param = nvm_params[i]; |
|
break; |
|
} |
|
} |
|
|
|
if (i == ARRAY_SIZE(nvm_params)) { |
|
hwrm_req_drop(bp, req); |
|
return -EOPNOTSUPP; |
|
} |
|
|
|
if (nvm_param.dir_type == BNXT_NVM_PORT_CFG) |
|
idx = bp->pf.port_id; |
|
else if (nvm_param.dir_type == BNXT_NVM_FUNC_CFG) |
|
idx = bp->pf.fw_fid - BNXT_FIRST_PF_FID; |
|
|
|
data = hwrm_req_dma_slice(bp, req, sizeof(*data), &data_dma_addr); |
|
|
|
if (!data) { |
|
hwrm_req_drop(bp, req); |
|
return -ENOMEM; |
|
} |
|
|
|
req->dest_data_addr = cpu_to_le64(data_dma_addr); |
|
req->data_len = cpu_to_le16(nvm_param.nvm_num_bits); |
|
req->option_num = cpu_to_le16(nvm_param.offset); |
|
req->index_0 = cpu_to_le16(idx); |
|
if (idx) |
|
req->dimensions = cpu_to_le16(1); |
|
|
|
resp = hwrm_req_hold(bp, req); |
|
if (req->req_type == cpu_to_le16(HWRM_NVM_SET_VARIABLE)) { |
|
bnxt_copy_to_nvm_data(data, val, nvm_param.nvm_num_bits, |
|
nvm_param.dl_num_bytes); |
|
rc = hwrm_req_send(bp, msg); |
|
} else { |
|
rc = hwrm_req_send_silent(bp, msg); |
|
if (!rc) { |
|
bnxt_copy_from_nvm_data(val, data, |
|
nvm_param.nvm_num_bits, |
|
nvm_param.dl_num_bytes); |
|
} else { |
|
if (resp->cmd_err == |
|
NVM_GET_VARIABLE_CMD_ERR_CODE_VAR_NOT_EXIST) |
|
rc = -EOPNOTSUPP; |
|
} |
|
} |
|
hwrm_req_drop(bp, req); |
|
if (rc == -EACCES) |
|
netdev_err(bp->dev, "PF does not have admin privileges to modify NVM config\n"); |
|
return rc; |
|
} |
|
|
|
static int bnxt_dl_nvm_param_get(struct devlink *dl, u32 id, |
|
struct devlink_param_gset_ctx *ctx) |
|
{ |
|
struct bnxt *bp = bnxt_get_bp_from_dl(dl); |
|
struct hwrm_nvm_get_variable_input *req; |
|
int rc; |
|
|
|
rc = hwrm_req_init(bp, req, HWRM_NVM_GET_VARIABLE); |
|
if (rc) |
|
return rc; |
|
|
|
rc = bnxt_hwrm_nvm_req(bp, id, req, &ctx->val); |
|
if (!rc && id == BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK) |
|
ctx->val.vbool = !ctx->val.vbool; |
|
|
|
return rc; |
|
} |
|
|
|
static int bnxt_dl_nvm_param_set(struct devlink *dl, u32 id, |
|
struct devlink_param_gset_ctx *ctx) |
|
{ |
|
struct bnxt *bp = bnxt_get_bp_from_dl(dl); |
|
struct hwrm_nvm_set_variable_input *req; |
|
int rc; |
|
|
|
rc = hwrm_req_init(bp, req, HWRM_NVM_SET_VARIABLE); |
|
if (rc) |
|
return rc; |
|
|
|
if (id == BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK) |
|
ctx->val.vbool = !ctx->val.vbool; |
|
|
|
return bnxt_hwrm_nvm_req(bp, id, req, &ctx->val); |
|
} |
|
|
|
static int bnxt_dl_msix_validate(struct devlink *dl, u32 id, |
|
union devlink_param_value val, |
|
struct netlink_ext_ack *extack) |
|
{ |
|
int max_val = -1; |
|
|
|
if (id == DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX) |
|
max_val = BNXT_MSIX_VEC_MAX; |
|
|
|
if (id == DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN) |
|
max_val = BNXT_MSIX_VEC_MIN_MAX; |
|
|
|
if (val.vu32 > max_val) { |
|
NL_SET_ERR_MSG_MOD(extack, "MSIX value is exceeding the range"); |
|
return -EINVAL; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static const struct devlink_param bnxt_dl_params[] = { |
|
DEVLINK_PARAM_GENERIC(ENABLE_SRIOV, |
|
BIT(DEVLINK_PARAM_CMODE_PERMANENT), |
|
bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set, |
|
NULL), |
|
DEVLINK_PARAM_GENERIC(IGNORE_ARI, |
|
BIT(DEVLINK_PARAM_CMODE_PERMANENT), |
|
bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set, |
|
NULL), |
|
DEVLINK_PARAM_GENERIC(MSIX_VEC_PER_PF_MAX, |
|
BIT(DEVLINK_PARAM_CMODE_PERMANENT), |
|
bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set, |
|
bnxt_dl_msix_validate), |
|
DEVLINK_PARAM_GENERIC(MSIX_VEC_PER_PF_MIN, |
|
BIT(DEVLINK_PARAM_CMODE_PERMANENT), |
|
bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set, |
|
bnxt_dl_msix_validate), |
|
DEVLINK_PARAM_DRIVER(BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK, |
|
"gre_ver_check", DEVLINK_PARAM_TYPE_BOOL, |
|
BIT(DEVLINK_PARAM_CMODE_PERMANENT), |
|
bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set, |
|
NULL), |
|
}; |
|
|
|
static const struct devlink_param bnxt_dl_port_params[] = { |
|
}; |
|
|
|
static int bnxt_dl_params_register(struct bnxt *bp) |
|
{ |
|
int rc; |
|
|
|
if (bp->hwrm_spec_code < 0x10600) |
|
return 0; |
|
|
|
rc = devlink_params_register(bp->dl, bnxt_dl_params, |
|
ARRAY_SIZE(bnxt_dl_params)); |
|
if (rc) { |
|
netdev_warn(bp->dev, "devlink_params_register failed. rc=%d\n", |
|
rc); |
|
return rc; |
|
} |
|
rc = devlink_port_params_register(&bp->dl_port, bnxt_dl_port_params, |
|
ARRAY_SIZE(bnxt_dl_port_params)); |
|
if (rc) { |
|
netdev_err(bp->dev, "devlink_port_params_register failed\n"); |
|
devlink_params_unregister(bp->dl, bnxt_dl_params, |
|
ARRAY_SIZE(bnxt_dl_params)); |
|
return rc; |
|
} |
|
devlink_params_publish(bp->dl); |
|
|
|
return 0; |
|
} |
|
|
|
static void bnxt_dl_params_unregister(struct bnxt *bp) |
|
{ |
|
if (bp->hwrm_spec_code < 0x10600) |
|
return; |
|
|
|
devlink_params_unregister(bp->dl, bnxt_dl_params, |
|
ARRAY_SIZE(bnxt_dl_params)); |
|
devlink_port_params_unregister(&bp->dl_port, bnxt_dl_port_params, |
|
ARRAY_SIZE(bnxt_dl_port_params)); |
|
} |
|
|
|
int bnxt_dl_register(struct bnxt *bp) |
|
{ |
|
const struct devlink_ops *devlink_ops; |
|
struct devlink_port_attrs attrs = {}; |
|
struct devlink *dl; |
|
int rc; |
|
|
|
if (BNXT_PF(bp)) |
|
devlink_ops = &bnxt_dl_ops; |
|
else |
|
devlink_ops = &bnxt_vf_dl_ops; |
|
|
|
dl = devlink_alloc(devlink_ops, sizeof(struct bnxt_dl), &bp->pdev->dev); |
|
if (!dl) { |
|
netdev_warn(bp->dev, "devlink_alloc failed\n"); |
|
return -ENOMEM; |
|
} |
|
|
|
bnxt_link_bp_to_dl(bp, dl); |
|
|
|
/* Add switchdev eswitch mode setting, if SRIOV supported */ |
|
if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV) && |
|
bp->hwrm_spec_code > 0x10803) |
|
bp->eswitch_mode = DEVLINK_ESWITCH_MODE_LEGACY; |
|
|
|
rc = devlink_register(dl); |
|
if (rc) { |
|
netdev_warn(bp->dev, "devlink_register failed. rc=%d\n", rc); |
|
goto err_dl_free; |
|
} |
|
|
|
if (!BNXT_PF(bp)) |
|
return 0; |
|
|
|
attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL; |
|
attrs.phys.port_number = bp->pf.port_id; |
|
memcpy(attrs.switch_id.id, bp->dsn, sizeof(bp->dsn)); |
|
attrs.switch_id.id_len = sizeof(bp->dsn); |
|
devlink_port_attrs_set(&bp->dl_port, &attrs); |
|
rc = devlink_port_register(dl, &bp->dl_port, bp->pf.port_id); |
|
if (rc) { |
|
netdev_err(bp->dev, "devlink_port_register failed\n"); |
|
goto err_dl_unreg; |
|
} |
|
|
|
rc = bnxt_dl_params_register(bp); |
|
if (rc) |
|
goto err_dl_port_unreg; |
|
|
|
return 0; |
|
|
|
err_dl_port_unreg: |
|
devlink_port_unregister(&bp->dl_port); |
|
err_dl_unreg: |
|
devlink_unregister(dl); |
|
err_dl_free: |
|
bnxt_link_bp_to_dl(bp, NULL); |
|
devlink_free(dl); |
|
return rc; |
|
} |
|
|
|
void bnxt_dl_unregister(struct bnxt *bp) |
|
{ |
|
struct devlink *dl = bp->dl; |
|
|
|
if (!dl) |
|
return; |
|
|
|
if (BNXT_PF(bp)) { |
|
bnxt_dl_params_unregister(bp); |
|
devlink_port_unregister(&bp->dl_port); |
|
} |
|
devlink_unregister(dl); |
|
devlink_free(dl); |
|
}
|
|
|