SOFT_SCRATCH
guc->send_regs.base = i915_mmio_reg_offset(SOFT_SCRATCH(0));
intel_uncore_write(uncore, SOFT_SCRATCH(0), 0);
intel_uncore_write(uncore, SOFT_SCRATCH(1 + i), guc->params[i]);
i, intel_uncore_read(uncore, SOFT_SCRATCH(i)));
intel_uncore_read(uncore, SOFT_SCRATCH(13)));
intel_uncore_write(guc_to_gt(guc)->uncore, SOFT_SCRATCH(15), 0);
val = intel_uncore_read(guc_to_gt(guc)->uncore, SOFT_SCRATCH(15));
MMIO_F(SOFT_SCRATCH(0), 16 * 4);