On 10/2/2026 3:37 AM, Lisa Wang wrote: > From: Sagi Shahar <[email protected]> > > Allocate memory for TDX boot parameters and define the utility functions > necessary to fill this memory with the boot parameters. > > Co-developed-by: Ackerley Tng <[email protected]> > Signed-off-by: Ackerley Tng <[email protected]> > Signed-off-by: Sagi Shahar <[email protected]> > Signed-off-by: Lisa Wang <[email protected]>
One nit below and the issue pointed by the sashiko. Otherwise, Reviewed-by: Binbin Wu <[email protected]> [...] > +void tdx_vm_setup_boot_parameters_region(struct kvm_vm *vm, u32 > nr_runnable_vcpus) > +{ > + size_t boot_params_size = sizeof(struct td_boot_parameters) + > + nr_runnable_vcpus * sizeof(struct td_per_vcpu_parameters); > + int npages = DIV_ROUND_UP(boot_params_size, PAGE_SIZE); > + const u64 gmem_flags = 0; > + gpa_t gpa; > + > + vm_mem_add(vm, VM_MEM_SRC_SHMEM, TD_BOOT_PARAMETERS_GPA, > + TD_BOOT_PARAMETERS_SLOT, npages, > + KVM_MEM_GUEST_MEMFD, -1, 0, gmem_flags); > + gpa = vm_phy_pages_alloc(vm, npages, TD_BOOT_PARAMETERS_GPA, > TD_BOOT_PARAMETERS_SLOT); > + TEST_ASSERT(gpa == TD_BOOT_PARAMETERS_GPA, "Failed > vm_phy_pages_alloc\n"); Nit: the tailing newline can be dropped. > + > + virt_map(vm, TD_BOOT_PARAMETERS_GPA, TD_BOOT_PARAMETERS_GPA, npages); > +} > +
