diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mbx.c')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 7811c4952035..9eb41dd39043 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -7011,3 +7011,36 @@ void qla_no_op_mb(struct scsi_qla_host *vha) "Failed %s %x\n", __func__, rval); } } + +int qla_mailbox_passthru(scsi_qla_host_t *vha, + uint16_t *mbx_in, uint16_t *mbx_out) +{ + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + int rval = -EINVAL; + + memset(&mc, 0, sizeof(mc)); + /* Receiving all 32 register's contents */ + memcpy(&mcp->mb, (char *)mbx_in, (32 * sizeof(uint16_t))); + + mcp->out_mb = 0xFFFFFFFF; + mcp->in_mb = 0xFFFFFFFF; + + mcp->tov = MBX_TOV_SECONDS; + mcp->flags = 0; + mcp->bufp = NULL; + + rval = qla2x00_mailbox_command(vha, mcp); + + if (rval != QLA_SUCCESS) { + ql_dbg(ql_dbg_mbx, vha, 0xf0a2, + "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); + } else { + ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0xf0a3, "Done %s.\n", + __func__); + /* passing all 32 register's contents */ + memcpy(mbx_out, &mcp->mb, 32 * sizeof(uint16_t)); + } + + return rval; +} |