Commit e07ab202 authored by Vasundhara Volam's avatar Vasundhara Volam Committed by David S. Miller
Browse files

bnxt_en: Add support to invoke OP-TEE API to reset firmware 



In error recovery process when firmware indicates that it is
completely down, initiate a firmware reset by calling OP-TEE API.

Cc: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarVasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: default avatarSheetal Tigadoli <sheetal.tigadoli@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 24688095

drivers/net/ethernet/broadcom/bnxt/bnxt.c

+11 −2
Original line number Diff line number Diff line
@@ -10581,14 +10581,23 @@ static void bnxt_fw_reset_writel(struct bnxt *bp, int reg_idx) 
static void bnxt_reset_all(struct bnxt *bp)

{

	struct bnxt_fw_health *fw_health = bp->fw_health;

	int i;

	int i, rc;



	if (bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD) {

#ifdef CONFIG_TEE_BNXT_FW

		rc = tee_bnxt_fw_load();

		if (rc)

			netdev_err(bp->dev, "Unable to reset FW rc=%d\n", rc);

		bp->fw_reset_timestamp = jiffies;

#endif

		return;

	}



	if (fw_health->flags & ERROR_RECOVERY_QCFG_RESP_FLAGS_HOST) {

		for (i = 0; i < fw_health->fw_reset_seq_cnt; i++)

			bnxt_fw_reset_writel(bp, i);

	} else if (fw_health->flags & ERROR_RECOVERY_QCFG_RESP_FLAGS_CO_CPU) {

		struct hwrm_fw_reset_input req = {0};

		int rc;



		bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);

		req.resp_addr = cpu_to_le64(bp->hwrm_cmd_kong_resp_dma_addr);

drivers/net/ethernet/broadcom/bnxt/bnxt.h

+3 −0
Original line number Diff line number Diff line
@@ -25,6 +25,9 @@ 
#include <net/dst_metadata.h>

#include <net/xdp.h>

#include <linux/dim.h>

#ifdef CONFIG_TEE_BNXT_FW

#include <linux/firmware/broadcom/tee_bnxt_fw.h>

#endif



struct page_pool;

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