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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: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Sheetal Tigadoli <sheetal.tigadoli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vasundhara Volam 2019-10-31 15:38:51 +05:30 committed by David S. Miller
parent 246880958a
commit e07ab2021e
2 changed files with 14 additions and 2 deletions
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13
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -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);

3
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -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;