IDXD_CMD_OFFSET
iowrite32(cmd.bits, idxd->reg_base + IDXD_CMD_OFFSET);
iowrite32(cmd.bits, idxd->reg_base + IDXD_CMD_OFFSET);
iowrite32(cmd.bits, idxd->reg_base + IDXD_CMD_OFFSET);
writel(cmd_reg.bits, bar0 + IDXD_CMD_OFFSET);