lkml.org 
[lkml]   [2019]   [Oct]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH net-next V5 2/3] bnxt_en: Add support to invoke OP-TEE API to reset firmware
Date
From: Vasundhara Volam <vasundhara-v.volam@broadcom.com>

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: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Sheetal Tigadoli <sheetal.tigadoli@broadcom.com>
---
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 <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;

--
2.17.1
\
 
 \ /
  Last update: 2019-10-31 11:09    [W:1.996 / U:0.936 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site