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author | Marc Zyngier <maz@kernel.org> | 2024-09-12 08:38:02 +0100 |
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committer | Marc Zyngier <maz@kernel.org> | 2024-09-12 08:38:02 +0100 |
commit | f625469051266311e19245ef427f23a6a3c3f4aa (patch) | |
tree | 60e98a381dcc803894e91d8245de4ad95a0d4d8e /arch/arm64/kvm/hyp | |
parent | 2e0f239457c1076e09b36350cbbdb2ed25997a1f (diff) | |
parent | 7c4f73548ed15476daf1101f66648085eda65067 (diff) | |
download | lwn-f625469051266311e19245ef427f23a6a3c3f4aa.tar.gz lwn-f625469051266311e19245ef427f23a6a3c3f4aa.zip |
Merge branch kvm-arm64/s2-ptdump into kvmarm-master/next
* kvm-arm64/s2-ptdump:
: .
: Stage-2 page table dumper, reusing the main ptdump infrastructure,
: courtesy of Sebastian Ene. From the cover letter:
:
: "This series extends the ptdump support to allow dumping the guest
: stage-2 pagetables. When CONFIG_PTDUMP_STAGE2_DEBUGFS is enabled, ptdump
: registers the new following files under debugfs:
: - /sys/debug/kvm/<guest_id>/stage2_page_tables
: - /sys/debug/kvm/<guest_id>/stage2_levels
: - /sys/debug/kvm/<guest_id>/ipa_range
:
: This allows userspace tools (eg. cat) to dump the stage-2 pagetables by
: reading the 'stage2_page_tables' file.
: [...]"
: .
KVM: arm64: Register ptdump with debugfs on guest creation
arm64: ptdump: Don't override the level when operating on the stage-2 tables
arm64: ptdump: Use the ptdump description from a local context
arm64: ptdump: Expose the attribute parsing functionality
KVM: arm64: Move pagetable definitions to common header
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/kvm/hyp')
-rw-r--r-- | arch/arm64/kvm/hyp/pgtable.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c index 9788af2ca8c0..b11bcebac908 100644 --- a/arch/arm64/kvm/hyp/pgtable.c +++ b/arch/arm64/kvm/hyp/pgtable.c @@ -17,48 +17,6 @@ #define KVM_PTE_TYPE_PAGE 1 #define KVM_PTE_TYPE_TABLE 1 -#define KVM_PTE_LEAF_ATTR_LO GENMASK(11, 2) - -#define KVM_PTE_LEAF_ATTR_LO_S1_ATTRIDX GENMASK(4, 2) -#define KVM_PTE_LEAF_ATTR_LO_S1_AP GENMASK(7, 6) -#define KVM_PTE_LEAF_ATTR_LO_S1_AP_RO \ - ({ cpus_have_final_cap(ARM64_KVM_HVHE) ? 2 : 3; }) -#define KVM_PTE_LEAF_ATTR_LO_S1_AP_RW \ - ({ cpus_have_final_cap(ARM64_KVM_HVHE) ? 0 : 1; }) -#define KVM_PTE_LEAF_ATTR_LO_S1_SH GENMASK(9, 8) -#define KVM_PTE_LEAF_ATTR_LO_S1_SH_IS 3 -#define KVM_PTE_LEAF_ATTR_LO_S1_AF BIT(10) - -#define KVM_PTE_LEAF_ATTR_LO_S2_MEMATTR GENMASK(5, 2) -#define KVM_PTE_LEAF_ATTR_LO_S2_S2AP_R BIT(6) -#define KVM_PTE_LEAF_ATTR_LO_S2_S2AP_W BIT(7) -#define KVM_PTE_LEAF_ATTR_LO_S2_SH GENMASK(9, 8) -#define KVM_PTE_LEAF_ATTR_LO_S2_SH_IS 3 -#define KVM_PTE_LEAF_ATTR_LO_S2_AF BIT(10) - -#define KVM_PTE_LEAF_ATTR_HI GENMASK(63, 50) - -#define KVM_PTE_LEAF_ATTR_HI_SW GENMASK(58, 55) - -#define KVM_PTE_LEAF_ATTR_HI_S1_XN BIT(54) - -#define KVM_PTE_LEAF_ATTR_HI_S2_XN BIT(54) - -#define KVM_PTE_LEAF_ATTR_HI_S1_GP BIT(50) - -#define KVM_PTE_LEAF_ATTR_S2_PERMS (KVM_PTE_LEAF_ATTR_LO_S2_S2AP_R | \ - KVM_PTE_LEAF_ATTR_LO_S2_S2AP_W | \ - KVM_PTE_LEAF_ATTR_HI_S2_XN) - -#define KVM_INVALID_PTE_OWNER_MASK GENMASK(9, 2) -#define KVM_MAX_OWNER_ID 1 - -/* - * Used to indicate a pte for which a 'break-before-make' sequence is in - * progress. - */ -#define KVM_INVALID_PTE_LOCKED BIT(10) - struct kvm_pgtable_walk_data { struct kvm_pgtable_walker *walker; |