diff options
Diffstat (limited to 'drivers/net/benet/be_cmds.c')
| -rw-r--r-- | drivers/net/benet/be_cmds.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c index cc75dd0df0d8..808ad0dd4115 100644 --- a/drivers/net/benet/be_cmds.c +++ b/drivers/net/benet/be_cmds.c @@ -1251,3 +1251,32 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd, spin_unlock_bh(&adapter->mcc_lock); return status; } + +int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc) +{ + struct be_mcc_wrb *wrb; + struct be_cmd_write_flashrom *req; + int status; + + spin_lock_bh(&adapter->mcc_lock); + + wrb = wrb_from_mccq(adapter); + req = embedded_payload(wrb); + + be_wrb_hdr_prepare(wrb, sizeof(*req)+4, true, 0); + + be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, + OPCODE_COMMON_READ_FLASHROM, sizeof(*req)+4); + + req->params.op_type = cpu_to_le32(FLASHROM_TYPE_REDBOOT); + req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT); + req->params.offset = 0x3FFFC; + req->params.data_buf_size = 0x4; + + status = be_mcc_notify_wait(adapter); + if (!status) + memcpy(flashed_crc, req->params.data_buf, 4); + + spin_unlock_bh(&adapter->mcc_lock); + return status; +} |