diff options
| author | Alexander Potapenko <glider@google.com> | 2024-11-21 16:36:53 +0100 |
|---|---|---|
| committer | Alexander Potapenko <glider@google.com> | 2024-11-26 11:12:47 +0000 |
| commit | 20c206defd8eeb638866d89b17c8a8282b6599f9 (patch) | |
| tree | bffead24be25fd94b946eadc2758214ae64482f7 /sys/linux | |
| parent | 2ebbc7259f2bda405779335b46a2f519f14ec473 (diff) | |
sys/linux/test: invoke SYZOS ITS setup in arm64-syz_kvm_setup_syzos_vm-vgicv3-its
Make sure the test actually performs guest-side ITS setup and invokes an LPI.
Diffstat (limited to 'sys/linux')
| -rw-r--r-- | sys/linux/test/arm64-syz_kvm_setup_syzos_vm-vgicv3-its | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-vgicv3-its b/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-vgicv3-its index 7752a8f6e..bcc88bf54 100644 --- a/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-vgicv3-its +++ b/sys/linux/test/arm64-syz_kvm_setup_syzos_vm-vgicv3-its @@ -4,27 +4,29 @@ r0 = openat$kvm(0, &AUTO='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, AUTO, 0x0) r2 = syz_kvm_setup_syzos_vm(r1, &(0x7f0000c00000/0x400000)=nil) -r3 = syz_kvm_add_vcpu(r2, &AUTO={0x0, &AUTO=[@irq_setup={AUTO, AUTO, {0x1, 0x20}}], AUTO}, 0x0, 0x0) +r3 = syz_kvm_add_vcpu(r2, &AUTO={0x0, &AUTO=[@irq_setup={AUTO, AUTO, {0x1, 0x20}}, @its_setup={AUTO, AUTO, {0x1, 0x1, 0x1}}], AUTO}, 0x0, 0x0) syz_kvm_vgic_v3_setup(r1, 0x1, 0x100) # -# Set up ITS device with redistributor at address 0x08080000 (declared at executor/kvm.h) -# Create KVM_DEV_TYPE_ARM_VGIC_ITS. +# Set up ITS device with redistributor at address 0x08080000 (declared at executor/kvm.h): +# 1. Create KVM_DEV_TYPE_ARM_VGIC_ITS. # ioctl$KVM_CREATE_DEVICE(r1, AUTO, &AUTO={0x8, <r4=>0xffffffffffffffff, 0x0}) # -# Set device attribute {KVM_DEV_ARM_VGIC_GRP_CTRL, KVM_DEV_ARM_VGIC_CTRL_INIT, 0}. +# 2. Set device attribute {KVM_DEV_ARM_VGIC_GRP_ADDR, KVM_VGIC_ITS_ADDR_TYPE, &addr=0x08080000}. # -ioctl$KVM_SET_DEVICE_ATTR(r4, AUTO, &AUTO=@attr_arm64={0x0, 0x4, 0x0, 0x0}) +ioctl$KVM_SET_DEVICE_ATTR(r4, AUTO, &AUTO=@attr_arm64={0x0, 0x0, 0x4, &AUTO=0x08080000}) # -# Set device attribute {KVM_DEV_ARM_VGIC_GRP_ADDR, KVM_VGIC_ITS_ADDR_TYPE, &addr=0x08080000}. +# 3. Set device attribute {KVM_DEV_ARM_VGIC_GRP_CTRL, KVM_DEV_ARM_VGIC_CTRL_INIT, 0}. # -ioctl$KVM_SET_DEVICE_ATTR(r4, AUTO, &AUTO=@attr_arm64={0x0, 0x0, 0x4, &AUTO=0x08080000}) +ioctl$KVM_SET_DEVICE_ATTR(r4, AUTO, &AUTO=@attr_arm64={0x0, 0x4, 0x0, 0x0}) ioctl$KVM_RUN(r3, AUTO, 0x0) # # Calling KVM_RUN here again would result in infinite loop. -# Instead, signal SPI 32 (0x1000020), so that the guest can execute another uexit in the IRQ handler. +# Instead, signal LPI 0x2000 that is mapped to the event 0, so that the guest can execute another uexit in the IRQ handler. +# +# Address is GITS_BASE_GPA + GITS_TRANSLATER = 0x08080000 + 0x10040 # -ioctl$KVM_IRQ_LINE(r1, AUTO, &AUTO={0x1000020, 0x1}) +ioctl$KVM_SIGNAL_MSI(r1, AUTO, &AUTO={0x8090040, 0x0, 0x0, 0x1, 0x0, ""}) ioctl$KVM_RUN(r3, AUTO, 0x0) |