From e07ab2021eb6b7123ec66ae1dc019afae566a56c Mon Sep 17 00:00:00 2001 From: Vasundhara Volam Date: Thu, 31 Oct 2019 15:38:51 +0530 Subject: [PATCH] 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 Signed-off-by: Vasundhara Volam Signed-off-by: Sheetal Tigadoli Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 13 +++++++++++-- drivers/net/ethernet/broadcom/bnxt/bnxt.h | 3 +++ 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 8cdf71f8824d..c24caaaf05ca 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -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); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index d333589811a5..09437150f818 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -25,6 +25,9 @@ #include #include #include +#ifdef CONFIG_TEE_BNXT_FW +#include +#endif struct page_pool; -- 2.30.2