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-rw-r--r--arch/arm64/include/asm/kvm_mmu.h7
-rw-r--r--arch/arm64/include/asm/stage2_pgtable-nopmd.h18
-rw-r--r--arch/arm64/include/asm/stage2_pgtable-nopud.h16
-rw-r--r--arch/arm64/include/asm/stage2_pgtable.h58
4 files changed, 54 insertions, 45 deletions
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h
index d6fff7de5539..3a032066e52c 100644
--- a/arch/arm64/include/asm/kvm_mmu.h
+++ b/arch/arm64/include/asm/kvm_mmu.h
@@ -141,8 +141,11 @@ static inline unsigned long __kern_hyp_va(unsigned long v)
* We currently only support a 40bit IPA.
*/
#define KVM_PHYS_SHIFT (40)
-#define KVM_PHYS_SIZE (1UL << KVM_PHYS_SHIFT)
-#define KVM_PHYS_MASK (KVM_PHYS_SIZE - 1UL)
+
+#define kvm_phys_shift(kvm) KVM_PHYS_SHIFT
+#define kvm_phys_size(kvm) (_AC(1, ULL) << kvm_phys_shift(kvm))
+#define kvm_phys_mask(kvm) (kvm_phys_size(kvm) - _AC(1, ULL))
+#define kvm_vttbr_baddr_mask(kvm) VTTBR_BADDR_MASK
#include <asm/stage2_pgtable.h>
diff --git a/arch/arm64/include/asm/stage2_pgtable-nopmd.h b/arch/arm64/include/asm/stage2_pgtable-nopmd.h
index 2656a0fd05a6..0280dedbf75f 100644
--- a/arch/arm64/include/asm/stage2_pgtable-nopmd.h
+++ b/arch/arm64/include/asm/stage2_pgtable-nopmd.h
@@ -26,17 +26,17 @@
#define S2_PMD_SIZE (1UL << S2_PMD_SHIFT)
#define S2_PMD_MASK (~(S2_PMD_SIZE-1))
-#define stage2_pud_none(pud) (0)
-#define stage2_pud_present(pud) (1)
-#define stage2_pud_clear(pud) do { } while (0)
-#define stage2_pud_populate(pud, pmd) do { } while (0)
-#define stage2_pmd_offset(pud, address) ((pmd_t *)(pud))
+#define stage2_pud_none(kvm, pud) (0)
+#define stage2_pud_present(kvm, pud) (1)
+#define stage2_pud_clear(kvm, pud) do { } while (0)
+#define stage2_pud_populate(kvm, pud, pmd) do { } while (0)
+#define stage2_pmd_offset(kvm, pud, address) ((pmd_t *)(pud))
-#define stage2_pmd_free(pmd) do { } while (0)
+#define stage2_pmd_free(kvm, pmd) do { } while (0)
-#define stage2_pmd_addr_end(addr, end) (end)
+#define stage2_pmd_addr_end(kvm, addr, end) (end)
-#define stage2_pud_huge(pud) (0)
-#define stage2_pmd_table_empty(pmdp) (0)
+#define stage2_pud_huge(kvm, pud) (0)
+#define stage2_pmd_table_empty(kvm, pmdp) (0)
#endif
diff --git a/arch/arm64/include/asm/stage2_pgtable-nopud.h b/arch/arm64/include/asm/stage2_pgtable-nopud.h
index 5ee87b54ebf3..cd6304e203be 100644
--- a/arch/arm64/include/asm/stage2_pgtable-nopud.h
+++ b/arch/arm64/include/asm/stage2_pgtable-nopud.h
@@ -24,16 +24,16 @@
#define S2_PUD_SIZE (_AC(1, UL) << S2_PUD_SHIFT)
#define S2_PUD_MASK (~(S2_PUD_SIZE-1))
-#define stage2_pgd_none(pgd) (0)
-#define stage2_pgd_present(pgd) (1)
-#define stage2_pgd_clear(pgd) do { } while (0)
-#define stage2_pgd_populate(pgd, pud) do { } while (0)
+#define stage2_pgd_none(kvm, pgd) (0)
+#define stage2_pgd_present(kvm, pgd) (1)
+#define stage2_pgd_clear(kvm, pgd) do { } while (0)
+#define stage2_pgd_populate(kvm, pgd, pud) do { } while (0)
-#define stage2_pud_offset(pgd, address) ((pud_t *)(pgd))
+#define stage2_pud_offset(kvm, pgd, address) ((pud_t *)(pgd))
-#define stage2_pud_free(x) do { } while (0)
+#define stage2_pud_free(kvm, x) do { } while (0)
-#define stage2_pud_addr_end(addr, end) (end)
-#define stage2_pud_table_empty(pmdp) (0)
+#define stage2_pud_addr_end(kvm, addr, end) (end)
+#define stage2_pud_table_empty(kvm, pmdp) (0)
#endif
diff --git a/arch/arm64/include/asm/stage2_pgtable.h b/arch/arm64/include/asm/stage2_pgtable.h
index 8b68099348e5..11891612be14 100644
--- a/arch/arm64/include/asm/stage2_pgtable.h
+++ b/arch/arm64/include/asm/stage2_pgtable.h
@@ -55,7 +55,7 @@
/* S2_PGDIR_SHIFT is the size mapped by top-level stage2 entry */
#define S2_PGDIR_SHIFT ARM64_HW_PGTABLE_LEVEL_SHIFT(4 - STAGE2_PGTABLE_LEVELS)
-#define S2_PGDIR_SIZE (_AC(1, UL) << S2_PGDIR_SHIFT)
+#define S2_PGDIR_SIZE (1UL << S2_PGDIR_SHIFT)
#define S2_PGDIR_MASK (~(S2_PGDIR_SIZE - 1))
/*
@@ -65,28 +65,30 @@
#define PTRS_PER_S2_PGD (1 << (KVM_PHYS_SHIFT - S2_PGDIR_SHIFT))
/*
- * KVM_MMU_CACHE_MIN_PAGES is the number of stage2 page table translation
- * levels in addition to the PGD.
+ * kvm_mmmu_cache_min_pages() is the number of pages required to install
+ * a stage-2 translation. We pre-allocate the entry level page table at
+ * the VM creation.
*/
-#define KVM_MMU_CACHE_MIN_PAGES (STAGE2_PGTABLE_LEVELS - 1)
+#define kvm_mmu_cache_min_pages(kvm) (STAGE2_PGTABLE_LEVELS - 1)
#if STAGE2_PGTABLE_LEVELS > 3
#define S2_PUD_SHIFT ARM64_HW_PGTABLE_LEVEL_SHIFT(1)
-#define S2_PUD_SIZE (_AC(1, UL) << S2_PUD_SHIFT)
+#define S2_PUD_SIZE (1UL << S2_PUD_SHIFT)
#define S2_PUD_MASK (~(S2_PUD_SIZE - 1))
-#define stage2_pgd_none(pgd) pgd_none(pgd)
-#define stage2_pgd_clear(pgd) pgd_clear(pgd)
-#define stage2_pgd_present(pgd) pgd_present(pgd)
-#define stage2_pgd_populate(pgd, pud) pgd_populate(NULL, pgd, pud)
-#define stage2_pud_offset(pgd, address) pud_offset(pgd, address)
-#define stage2_pud_free(pud) pud_free(NULL, pud)
+#define stage2_pgd_none(kvm, pgd) pgd_none(pgd)
+#define stage2_pgd_clear(kvm, pgd) pgd_clear(pgd)
+#define stage2_pgd_present(kvm, pgd) pgd_present(pgd)
+#define stage2_pgd_populate(kvm, pgd, pud) pgd_populate(NULL, pgd, pud)
+#define stage2_pud_offset(kvm, pgd, address) pud_offset(pgd, address)
+#define stage2_pud_free(kvm, pud) pud_free(NULL, pud)
-#define stage2_pud_table_empty(pudp) kvm_page_empty(pudp)
+#define stage2_pud_table_empty(kvm, pudp) kvm_page_empty(pudp)
-static inline phys_addr_t stage2_pud_addr_end(phys_addr_t addr, phys_addr_t end)
+static inline phys_addr_t
+stage2_pud_addr_end(struct kvm *kvm, phys_addr_t addr, phys_addr_t end)
{
phys_addr_t boundary = (addr + S2_PUD_SIZE) & S2_PUD_MASK;
@@ -99,20 +101,21 @@ static inline phys_addr_t stage2_pud_addr_end(phys_addr_t addr, phys_addr_t end)
#if STAGE2_PGTABLE_LEVELS > 2
#define S2_PMD_SHIFT ARM64_HW_PGTABLE_LEVEL_SHIFT(2)
-#define S2_PMD_SIZE (_AC(1, UL) << S2_PMD_SHIFT)
+#define S2_PMD_SIZE (1UL << S2_PMD_SHIFT)
#define S2_PMD_MASK (~(S2_PMD_SIZE - 1))
-#define stage2_pud_none(pud) pud_none(pud)
-#define stage2_pud_clear(pud) pud_clear(pud)
-#define stage2_pud_present(pud) pud_present(pud)
-#define stage2_pud_populate(pud, pmd) pud_populate(NULL, pud, pmd)
-#define stage2_pmd_offset(pud, address) pmd_offset(pud, address)
-#define stage2_pmd_free(pmd) pmd_free(NULL, pmd)
+#define stage2_pud_none(kvm, pud) pud_none(pud)
+#define stage2_pud_clear(kvm, pud) pud_clear(pud)
+#define stage2_pud_present(kvm, pud) pud_present(pud)
+#define stage2_pud_populate(kvm, pud, pmd) pud_populate(NULL, pud, pmd)
+#define stage2_pmd_offset(kvm, pud, address) pmd_offset(pud, address)
+#define stage2_pmd_free(kvm, pmd) pmd_free(NULL, pmd)
-#define stage2_pud_huge(pud) pud_huge(pud)
-#define stage2_pmd_table_empty(pmdp) kvm_page_empty(pmdp)
+#define stage2_pud_huge(kvm, pud) pud_huge(pud)
+#define stage2_pmd_table_empty(kvm, pmdp) kvm_page_empty(pmdp)
-static inline phys_addr_t stage2_pmd_addr_end(phys_addr_t addr, phys_addr_t end)
+static inline phys_addr_t
+stage2_pmd_addr_end(struct kvm *kvm, phys_addr_t addr, phys_addr_t end)
{
phys_addr_t boundary = (addr + S2_PMD_SIZE) & S2_PMD_MASK;
@@ -121,7 +124,7 @@ static inline phys_addr_t stage2_pmd_addr_end(phys_addr_t addr, phys_addr_t end)
#endif /* STAGE2_PGTABLE_LEVELS > 2 */
-#define stage2_pte_table_empty(ptep) kvm_page_empty(ptep)
+#define stage2_pte_table_empty(kvm, ptep) kvm_page_empty(ptep)
#if STAGE2_PGTABLE_LEVELS == 2
#include <asm/stage2_pgtable-nopmd.h>
@@ -129,10 +132,13 @@ static inline phys_addr_t stage2_pmd_addr_end(phys_addr_t addr, phys_addr_t end)
#include <asm/stage2_pgtable-nopud.h>
#endif
+#define stage2_pgd_size(kvm) (PTRS_PER_S2_PGD * sizeof(pgd_t))
-#define stage2_pgd_index(addr) (((addr) >> S2_PGDIR_SHIFT) & (PTRS_PER_S2_PGD - 1))
+#define stage2_pgd_index(kvm, addr) \
+ (((addr) >> S2_PGDIR_SHIFT) & (PTRS_PER_S2_PGD - 1))
-static inline phys_addr_t stage2_pgd_addr_end(phys_addr_t addr, phys_addr_t end)
+static inline phys_addr_t
+stage2_pgd_addr_end(struct kvm *kvm, phys_addr_t addr, phys_addr_t end)
{
phys_addr_t boundary = (addr + S2_PGDIR_SIZE) & S2_PGDIR_MASK;
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-19 18:57:47 +0300