diff options
| author |   Yunhong Jiang <yunhong.jiang@linux.intel.com> | 2016-08-18 17:21:26 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@linux.intel.com> | 2016-08-18 17:26:41 -0700 |
| commit | 778c35e3cf9a5bc9e4abd73d9d9cf74925e6f7f3 (patch) | |
| tree | 1ea3ae0609da00062d138a0ebfd826b91e1ed136 /kernel | |
| parent | 2aa991a490387f3910a7e1bf02de83a7efb28014 (diff) | |
bnxt_en: Reset embedded processor after applying firmware upgrade
Use HWRM_FW_RESET command to request a self-reset of the embedded
processor(s) after successfully applying a firmware update. For boot
processor, the self-reset is currently deferred until the next PCIe reset.
upstream-status: backport
Notice: We change the Signed-off-by to "Signed -of -by" to avoid trigger
the spam to the original author.
Signed -of -by: Rob Swindell <swindell@broadcom.com>
Signed -of -by: Michael Chan <mchan@broadcom.com>
Signed -of -by: David S. Miller <davem@davemloft.net>
Change-Id: Ic491d584c566b89a315d04f41b1d4fa928756403
Signed-off-by: Yunhong Jiang <yunhong.jiang@linux.intel.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 46 |
1 files changed, 42 insertions, 4 deletions
diff --git a/kernel/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/kernel/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 45bd628ea..e33b6d667 100644 --- a/kernel/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/kernel/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -802,6 +802,45 @@ static int bnxt_flash_nvram(struct net_device *dev, return rc; } +static int bnxt_firmware_reset(struct net_device *dev, + u16 dir_type) +{ + struct bnxt *bp = netdev_priv(dev); + struct hwrm_fw_reset_input req = {0}; + + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1); + + /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */ + /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */ + /* (e.g. when firmware isn't already running) */ + switch (dir_type) { + case BNX_DIR_TYPE_CHIMP_PATCH: + case BNX_DIR_TYPE_BOOTCODE: + case BNX_DIR_TYPE_BOOTCODE_2: + req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT; + /* Self-reset ChiMP upon next PCIe reset: */ + req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST; + break; + case BNX_DIR_TYPE_APE_FW: + case BNX_DIR_TYPE_APE_PATCH: + req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT; + break; + case BNX_DIR_TYPE_KONG_FW: + case BNX_DIR_TYPE_KONG_PATCH: + req.embedded_proc_type = + FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL; + break; + case BNX_DIR_TYPE_BONO_FW: + case BNX_DIR_TYPE_BONO_PATCH: + req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE; + break; + default: + return -EINVAL; + } + + return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); +} + static int bnxt_flash_firmware(struct net_device *dev, u16 dir_type, const u8 *fw_data, @@ -856,10 +895,9 @@ static int bnxt_flash_firmware(struct net_device *dev, /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */ rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST, 0, 0, fw_data, fw_size); - if (rc == 0) { /* Firmware update successful */ - /* TODO: Notify processor it needs to reset itself - */ - } + if (rc == 0) /* Firmware update successful */ + rc = bnxt_firmware_reset(dev, dir_type); + return rc; } |