get_dst_fabric_id
denorm_ctx->coh_st_fabric_id = get_logical_coh_st_fabric_id(ctx) - get_dst_fabric_id(ctx);
coh_st_id = ctx->coh_st_fabric_id - get_dst_fabric_id(ctx);
coh_st_id -= get_dst_fabric_id(ctx) & mask;
ctx->coh_st_fabric_id -= get_dst_fabric_id(ctx);
return ctx->coh_st_fabric_id - get_dst_fabric_id(ctx);
log_coh_st_offset = (ctx->coh_st_fabric_id & mask) - (get_dst_fabric_id(ctx) & mask);