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authorDavid S. Miller <davem@davemloft.net>2016-01-10 22:19:19 -0500
committerDavid S. Miller <davem@davemloft.net>2016-01-10 22:19:19 -0500
commit0652cb5b8b228db53b686c735c64bdb9071979de (patch)
tree32e92e35dbf0040ac40ec9741d7c201243ed016a
parent1f211a1b929c804100e138c5d3d656992cfd5622 (diff)
parentd2d6318cb996f39112ba24ff23abe67578a611bc (diff)
Merge branch 'bnxt_en-zeropad-fw-and-reset'
Michael Chan says: ==================== bnxt_en: Zero pad fw messages and add fw reset. 2 patches related to firmware for net-next. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c3
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c46
2 files changed, 45 insertions, 4 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index f9569493034b..287bfb79ea2d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -2614,6 +2614,9 @@ int _hwrm_send_message(struct bnxt *bp, void *msg, u32 msg_len, int timeout)
/* Write request msg to hwrm channel */
__iowrite32_copy(bp->bar0, data, msg_len / 4);
+ for (i = msg_len; i < HWRM_MAX_REQ_LEN; i += 4)
+ writel(0, bp->bar0 + i);
+
/* currently supports only one outstanding message */
if (intr_process)
bp->hwrm_intr_seq_id = le32_to_cpu(req->target_id_seq_id) &
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 4f62c9fa96d5..922b898e7a32 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -837,6 +837,45 @@ 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,
@@ -894,10 +933,9 @@ 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;
}