path: root/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c

/* Broadcom NetXtreme-C/E network driver.
 *
 * Copyright (c) 2017 Broadcom Limited
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 */

#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/vmalloc.h>
#include <net/devlink.h>
#include "bnxt_hsi.h"
#include "bnxt.h"
#include "bnxt_hwrm.h"
#include "bnxt_vfr.h"
#include "bnxt_devlink.h"
#include "bnxt_ethtool.h"
#include "bnxt_ulp.h"
#include "bnxt_ptp.h"
#include "bnxt_coredump.h"
#include "bnxt_nvm_defs.h"

static void __bnxt_fw_recover(struct bnxt *bp)
{
	if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state) ||
	    test_bit(BNXT_STATE_FW_NON_FATAL_COND, &bp->state))
		bnxt_fw_reset(bp);
	else
		bnxt_fw_exception(bp);
}

static int
bnxt_dl_flash_update(struct devlink *dl,
		     struct devlink_flash_update_params *params,
		     struct netlink_ext_ack *extack)
{
	struct bnxt *bp = bnxt_get_bp_from_dl(dl);
	int rc;

	if (!BNXT_PF(bp)) {
		NL_SET_ERR_MSG_MOD(extack,
				   "flash update not supported from a VF");
		return -EPERM;
	}

	devlink_flash_update_status_notify(dl, "Preparing to flash", NULL, 0, 0);
	rc = bnxt_flash_package_from_fw_obj(bp->dev, params->fw, 0, extack);
	if (!rc)
		devlink_flash_update_status_notify(dl, "Flashing done", NULL, 0, 0);
	else
		devlink_flash_update_status_notify(dl, "Flashing failed", NULL, 0, 0);
	return rc;
}

static int bnxt_hwrm_remote_dev_reset_set(struct bnxt *bp, bool remote_reset)
{
	struct hwrm_func_cfg_input *req;
	int rc;

	if (~bp->fw_cap & BNXT_FW_CAP_HOT_RESET_IF)
		return -EOPNOTSUPP;

	rc = bnxt_hwrm_func_cfg_short_req_init(bp, &req);
	if (rc)
		return rc;

	req->fid = cpu_to_le16(0xffff);
	req->enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_HOT_RESET_IF_SUPPORT);
	if (remote_reset)
		req->flags = cpu_to_le32(FUNC_CFG_REQ_FLAGS_HOT_RESET_IF_EN_DIS);

	return hwrm_req_send(bp, req);
}

static char *bnxt_health_severity_str(enum bnxt_health_severity severity)
{
	switch (severity) {
	case SEVERITY_NORMAL: return "normal";
	case SEVERITY_WARNING: return "warning";
	case SEVERITY_RECOVERABLE: return "recoverable";
	case SEVERITY_FATAL: return "fatal";
	default: return "unknown";
	}
}

static char *bnxt_health_remedy_str(enum bnxt_health_remedy remedy)
{
	switch (remedy) {
	case REMEDY_DEVLINK_RECOVER: return "devlink recover";
	case REMEDY_POWER_CYCLE_DEVICE: return "device power cycle";
	case REMEDY_POWER_CYCLE_HOST: return "host power cycle";
	case REMEDY_FW_UPDATE: return "update firmware";