diff options
| author | Sean Christopherson <seanjc@google.com> | 2025-01-31 17:55:13 -0800 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2025-02-24 09:01:07 -0800 |
| commit | 407d03fe924c69d04bca980402fb11d1542cd74c (patch) | |
| tree | fd0f7a42daee6723908a3d4d116b832015a03ccb | |
| parent | 08e3d89eb330ef579a8a494264e6f192b4434fc0 (diff) | |
KVM: x86: Plumb the src/dst operand types through to .check_intercept()
When checking for intercept when emulating an instruction on behalf of L2,
forward the source and destination operand types to vendor code so that
VMX can synthesize the correct EXIT_QUALIFICATION for port I/O VM-Exits.
Link: https://lore.kernel.org/r/20250201015518.689704-7-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
| -rw-r--r-- | arch/x86/kvm/emulate.c | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/kvm_emulate.h | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 0915b5e8aa71..ca613796b5af 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -477,6 +477,8 @@ static int emulator_check_intercept(struct x86_emulate_ctxt *ctxt, .dst_val = ctxt->dst.val64, .src_bytes = ctxt->src.bytes, .dst_bytes = ctxt->dst.bytes, + .src_type = ctxt->src.type, + .dst_type = ctxt->dst.type, .ad_bytes = ctxt->ad_bytes, .next_rip = ctxt->_eip, }; diff --git a/arch/x86/kvm/kvm_emulate.h b/arch/x86/kvm/kvm_emulate.h index 73072585e164..49ab8b060137 100644 --- a/arch/x86/kvm/kvm_emulate.h +++ b/arch/x86/kvm/kvm_emulate.h @@ -44,6 +44,8 @@ struct x86_instruction_info { u64 dst_val; /* value of destination operand */ u8 src_bytes; /* size of source operand */ u8 dst_bytes; /* size of destination operand */ + u8 src_type; /* type of source operand */ + u8 dst_type; /* type of destination operand */ u8 ad_bytes; /* size of src/dst address */ u64 next_rip; /* rip following the instruction */ }; |