Add an argument, pt_memslot, into _virt_pg_map in order to use a
specific memslot for the page-table allocations performed when creating
a new map. This will be used in a future commit to test having PTEs
stored on memslots with different setups (e.g., hugetlb with a hole).
Reviewed-by: Oliver Upton <oupton@xxxxxxxxxx>
Signed-off-by: Ricardo Koller <ricarkol@xxxxxxxxxx>
---
.../selftests/kvm/include/aarch64/processor.h | 3 +++
tools/testing/selftests/kvm/lib/aarch64/processor.c | 12 ++++++------
2 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/tools/testing/selftests/kvm/include/aarch64/processor.h b/tools/testing/selftests/kvm/include/aarch64/processor.h
index df4bfac69551..6649671fa7c1 100644
--- a/tools/testing/selftests/kvm/include/aarch64/processor.h
+++ b/tools/testing/selftests/kvm/include/aarch64/processor.h
@@ -109,6 +109,9 @@ void vm_install_exception_handler(struct kvm_vm *vm,
void vm_install_sync_handler(struct kvm_vm *vm,
int vector, int ec, handler_fn handler);
+void _virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
+ uint64_t flags, uint32_t pt_memslot);
+
uint64_t *virt_get_pte_hva(struct kvm_vm *vm, vm_vaddr_t gva);
static inline void cpu_relax(void)
diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c
index 63ef3c78e55e..8dd511aa79c2 100644
--- a/tools/testing/selftests/kvm/lib/aarch64/processor.c
+++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c
@@ -85,8 +85,8 @@ void virt_arch_pgd_alloc(struct kvm_vm *vm)
}
}
-static void _virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
- uint64_t flags)
+void _virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
+ uint64_t flags, uint32_t pt_memslot)
{
uint8_t attr_idx = flags & 7;
uint64_t *ptep;
@@ -107,18 +107,18 @@ static void _virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
ptep = addr_gpa2hva(vm, vm->pgd) + pgd_index(vm, vaddr) * 8;
if (!*ptep)
- *ptep = vm_alloc_page_table(vm) | 3;
+ *ptep = vm_alloc_page_table_in_memslot(vm, pt_memslot) | 3;
switch (vm->pgtable_levels) {
case 4:
ptep = addr_gpa2hva(vm, pte_addr(vm, *ptep)) + pud_index(vm, vaddr) * 8;
if (!*ptep)
- *ptep = vm_alloc_page_table(vm) | 3;
+ *ptep = vm_alloc_page_table_in_memslot(vm, pt_memslot) | 3;
/* fall through */
case 3:
ptep = addr_gpa2hva(vm, pte_addr(vm, *ptep)) + pmd_index(vm, vaddr) * 8;
if (!*ptep)
- *ptep = vm_alloc_page_table(vm) | 3;
+ *ptep = vm_alloc_page_table_in_memslot(vm, pt_memslot) | 3;
/* fall through */
case 2:
ptep = addr_gpa2hva(vm, pte_addr(vm, *ptep)) + pte_index(vm, vaddr) * 8;
@@ -135,7 +135,7 @@ void virt_arch_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr)
{
uint64_t attr_idx = 4; /* NORMAL (See DEFAULT_MAIR_EL1) */
- _virt_pg_map(vm, vaddr, paddr, attr_idx);
+ _virt_pg_map(vm, vaddr, paddr, attr_idx, 0);
}
uint64_t *virt_get_pte_hva(struct kvm_vm *vm, vm_vaddr_t gva)
--
2.37.0.rc0.161.g10f37bed90-goog
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