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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [qemu-xen master] Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2020-06-24' into staging
=== This changeset includes merge from high-traffic branch ===
Commits on that branch are not reported individually.
commit 4abf70a661a5df3886ac9d7c19c3617fa92b922a
Merge: 6651620b92bc08cde07cb500e9a43dba7bd9b2b7
24b861c0386a17ea31eb824310c21118fb7be883
Author: Peter Maydell <peter.maydell@xxxxxxxxxx>
AuthorDate: Fri Jul 3 15:34:44 2020 +0100
Commit: Peter Maydell <peter.maydell@xxxxxxxxxx>
CommitDate: Fri Jul 3 15:34:45 2020 +0100
Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2020-06-24'
into staging
Block patches:
- Two iotest fixes
# gpg: Signature made Wed 24 Jun 2020 09:00:51 BST
# gpg: using RSA key 91BEB60A30DB3E8857D11829F407DB0061D5CF40
# gpg: issuer "mreitz@xxxxxxxxxx"
# gpg: Good signature from "Max Reitz <mreitz@xxxxxxxxxx>" [full]
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1 1829 F407 DB00 61D5
CF40
* remotes/maxreitz/tags/pull-block-2020-06-24:
iotests: don't test qcow2.py inside 291
iotests: Fix 051 output after qdev_init_nofail() removal
Signed-off-by: Peter Maydell <peter.maydell@xxxxxxxxxx>
MAINTAINERS | 16 +-
Makefile | 12 +-
Makefile.objs | 1 +
accel/kvm/kvm-all.c | 21 +-
accel/tcg/translate-all.c | 6 +-
backends/Kconfig | 1 +
backends/Makefile.objs | 2 +-
backends/tpm.c | 208 ----
backends/tpm/Kconfig | 14 +
backends/tpm/Makefile.objs | 4 +
backends/tpm/tpm_backend.c | 208 ++++
backends/tpm/tpm_emulator.c | 997 +++++++++++++++
backends/tpm/tpm_int.h | 88 ++
backends/tpm/tpm_ioctl.h | 271 +++++
backends/tpm/tpm_passthrough.c | 405 ++++++
backends/tpm/tpm_util.c | 380 ++++++
backends/tpm/trace-events | 33 +
block/nvme.c | 218 +++-
block/trace-events | 2 +-
blockdev.c | 27 +-
chardev/char-socket.c | 9 +-
configure | 108 +-
cpus.c | 15 +-
docs/index.html.in | 4 +-
docs/nvdimm.txt | 10 +
docs/qdev-device-use.txt | 17 +-
docs/specs/tpm.rst | 16 +-
docs/system/deprecated.rst | 71 +-
exec.c | 54 +-
fpu/softfloat.c | 87 +-
hw/9pfs/9p.c | 6 +-
hw/acpi/aml-build.c | 51 +-
hw/acpi/generic_event_device.c | 29 +
hw/acpi/pcihp.c | 3 +-
hw/acpi/piix4.c | 23 +-
hw/arm/Kconfig | 8 +-
hw/arm/armsse.c | 61 +-
hw/arm/armv7m.c | 7 +-
hw/arm/aspeed.c | 62 +-
hw/arm/aspeed_ast2600.c | 35 +-
hw/arm/aspeed_soc.c | 29 +-
hw/arm/bcm2835_peripherals.c | 12 +-
hw/arm/cubieboard.c | 2 +-
hw/arm/exynos4210.c | 2 +-
hw/arm/fsl-imx25.c | 12 +-
hw/arm/fsl-imx6.c | 12 +-
hw/arm/imx25_pdk.c | 2 +-
hw/arm/mcimx6ul-evk.c | 2 +-
hw/arm/mcimx7d-sabre.c | 2 +-
hw/arm/mps2-tz.c | 23 +-
hw/arm/mps2.c | 67 +-
hw/arm/msf2-som.c | 4 +-
hw/arm/nrf51_soc.c | 6 +-
hw/arm/nseries.c | 4 +-
hw/arm/orangepi.c | 2 +-
hw/arm/raspi.c | 2 +-
hw/arm/realview.c | 3 +-
hw/arm/sabrelite.c | 6 +-
hw/arm/stm32f205_soc.c | 2 +-
hw/arm/stm32f405_soc.c | 2 +-
hw/arm/versatilepb.c | 3 +-
hw/arm/vexpress.c | 6 +-
hw/arm/virt-acpi-build.c | 34 +
hw/arm/virt.c | 124 +-
hw/arm/xilinx_zynq.c | 7 +-
hw/arm/xlnx-versal-virt.c | 2 +-
hw/arm/xlnx-zcu102.c | 10 +-
hw/block/fdc.c | 193 ++-
hw/block/nand.c | 2 +-
hw/block/pflash_cfi01.c | 6 +-
hw/block/pflash_cfi02.c | 2 +-
hw/char/ibex_uart.c | 2 +-
hw/char/virtio-serial-bus.c | 4 +-
hw/core/bus.c | 8 +-
hw/core/machine.c | 8 +-
hw/core/numa.c | 7 +
hw/core/qdev-properties-system.c | 151 ++-
hw/core/qdev-properties.c | 17 +
hw/display/ati.c | 92 +-
hw/display/ati_dbg.c | 1 +
hw/display/ati_regs.h | 1 +
hw/display/sm501.c | 157 ++-
hw/display/trace-events | 12 +
hw/display/virtio-gpu-pci.c | 2 +-
hw/display/virtio-vga.c | 2 +-
hw/dma/sparc32_dma.c | 6 +-
hw/dma/xilinx_axidma.c | 12 +-
hw/hyperv/vmbus.c | 3 +-
hw/i2c/core.c | 18 +-
hw/i2c/versatile_i2c.c | 38 +-
hw/i386/acpi-build.c | 214 +---
hw/i386/amd_iommu.c | 6 +-
hw/i386/fw_cfg.c | 28 +
hw/i386/fw_cfg.h | 1 +
hw/i386/pc.c | 34 +-
hw/i386/pc_piix.c | 1 +
hw/i386/pc_q35.c | 1 +
hw/i386/x86.c | 8 +-
hw/ide/qdev.c | 4 +-
hw/input/adb-kbd.c | 42 +-
hw/input/adb-mouse.c | 65 +-
hw/input/adb.c | 210 +++-
hw/input/pckbd.c | 31 +
hw/input/trace-events | 27 +-
hw/intc/Kconfig | 3 +
hw/intc/Makefile.objs | 1 +
hw/intc/loongson_liointc.c | 242 ++++
hw/isa/isa-superio.c | 18 +-
hw/m68k/q800.c | 3 +-
hw/microblaze/petalogix_ml605_mmu.c | 5 +-
hw/mips/cps.c | 35 +-
hw/misc/mac_via.c | 411 ++++---
hw/misc/macio/cuda.c | 60 +-
hw/misc/macio/macio.c | 3 +-
hw/misc/macio/pmu.c | 47 +-
hw/misc/pca9552.c | 217 +++-
hw/misc/trace-events | 7 +
hw/net/virtio-net.c | 2 +-
hw/net/xilinx_axienet.c | 12 +-
hw/pci/pci.c | 3 -
hw/pci/pcie.c | 2 +-
hw/pci/shpc.c | 2 +-
hw/ppc/mac_newworld.c | 2 -
hw/ppc/pnv.c | 12 +-
hw/ppc/spapr.c | 10 +-
hw/ppc/spapr_caps.c | 28 +-
hw/ppc/spapr_drc.c | 4 +-
hw/ppc/spapr_pci.c | 4 +-
hw/ppc/spapr_vio.c | 6 +-
hw/riscv/riscv_hart.c | 14 +-
hw/riscv/sifive_u.c | 12 +-
hw/s390x/ap-bridge.c | 2 +-
hw/s390x/css-bridge.c | 2 +-
hw/s390x/s390-pci-bus.c | 14 +-
hw/scsi/megasas.c | 36 +-
hw/scsi/scsi-bus.c | 4 +-
hw/scsi/virtio-scsi.c | 4 +-
hw/scsi/vmw_pvscsi.c | 2 +-
hw/sd/milkymist-memcard.c | 7 +-
hw/sd/pxa2xx_mmci.c | 15 +-
hw/sd/sd.c | 2 +-
hw/sd/ssi-sd.c | 3 +-
hw/sparc64/sun4u.c | 9 +-
hw/tpm/Kconfig | 21 +-
hw/tpm/Makefile.objs | 3 -
hw/tpm/tpm_crb.c | 4 +-
hw/tpm/tpm_emulator.c | 997 ---------------
hw/tpm/tpm_int.h | 75 --
hw/tpm/tpm_ioctl.h | 271 -----
hw/tpm/tpm_passthrough.c | 405 ------
hw/tpm/tpm_ppi.c | 1 +
hw/tpm/tpm_ppi.h | 1 -
hw/tpm/tpm_prop.h | 31 +
hw/tpm/tpm_spapr.c | 4 +-
hw/tpm/tpm_tis.h | 1 -
hw/tpm/tpm_tis_common.c | 11 +-
hw/tpm/tpm_tis_isa.c | 3 +-
hw/tpm/tpm_tis_sysbus.c | 3 +-
hw/tpm/tpm_util.c | 377 ------
hw/tpm/tpm_util.h | 85 --
hw/tpm/trace-events | 34 +-
hw/usb/bus.c | 2 +-
hw/usb/dev-mtp.c | 2 -
hw/usb/dev-smartcard-reader.c | 2 +-
hw/usb/hcd-xhci.h | 2 +-
hw/virtio/vhost-user.c | 12 +-
hw/virtio/virtio-iommu-pci.c | 4 +-
hw/watchdog/cmsdk-apb-watchdog.c | 1 +
hw/watchdog/trace-events | 1 +
hw/xen/Makefile.objs | 2 +-
hw/xen/xen-bus.c | 2 +-
hw/xen/xen-legacy-backend.c | 2 +-
hw/xtensa/xtfpga.c | 3 +-
include/block/block.h | 4 +-
include/exec/cpu-all.h | 8 +-
include/exec/cpu-defs.h | 7 +-
include/fpu/softfloat.h | 3 +
include/hw/acpi/acpi-defs.h | 18 -
include/hw/arm/aspeed.h | 12 +-
include/hw/block/fdc.h | 5 +-
include/hw/hyperv/vmbus-bridge.h | 3 +-
include/hw/i2c/arm_sbcon_i2c.h | 35 +
include/hw/i2c/i2c.h | 2 +
include/hw/i386/pc.h | 1 -
include/hw/input/adb.h | 26 +-
include/hw/misc/mac_via.h | 2 +-
include/hw/misc/macio/cuda.h | 4 -
include/hw/misc/macio/pmu.h | 4 -
include/hw/misc/pca9552.h | 16 +-
include/hw/ppc/xive_regs.h | 2 +-
include/hw/qdev-core.h | 5 +-
include/hw/qdev-properties.h | 18 +-
include/qemu/coroutine_int.h | 5 +
include/qemu/osdep.h | 57 +-
include/sysemu/blockdev.h | 2 +
include/sysemu/tpm_util.h | 72 ++
memory.c | 29 +-
migration/qemu-file.c | 2 +-
migration/rdma.c | 19 +-
pc-bios/bios-256k.bin | Bin 262144 -> 262144 bytes
pc-bios/bios.bin | Bin 131072 -> 131072 bytes
pc-bios/vgabios-ati.bin | Bin 39424 -> 39424 bytes
pc-bios/vgabios-bochs-display.bin | Bin 28672 -> 28672 bytes
pc-bios/vgabios-cirrus.bin | Bin 38912 -> 38912 bytes
pc-bios/vgabios-qxl.bin | Bin 39424 -> 39424 bytes
pc-bios/vgabios-ramfb.bin | Bin 28672 -> 28672 bytes
pc-bios/vgabios-stdvga.bin | Bin 39424 -> 39424 bytes
pc-bios/vgabios-virtio.bin | Bin 39424 -> 39424 bytes
pc-bios/vgabios-vmware.bin | Bin 39424 -> 39424 bytes
pc-bios/vgabios.bin | Bin 38912 -> 38912 bytes
qemu-options.hx | 9 +-
qga/commands-posix.c | 1 +
replay/replay.c | 2 +-
roms/config.seabios-128k | 3 +
roms/seabios | 2 +-
scripts/minikconf.py | 6 +-
scripts/performance/topN_callgrind.py | 140 +++
scripts/performance/topN_perf.py | 149 +++
scripts/tracetool.py | 2 +-
scripts/tracetool/__init__.py | 2 +-
scripts/tracetool/backend/__init__.py | 2 +-
scripts/tracetool/backend/dtrace.py | 2 +-
scripts/tracetool/backend/log.py | 2 +-
scripts/tracetool/backend/simple.py | 2 +-
scripts/tracetool/backend/ust.py | 2 +-
scripts/tracetool/format/__init__.py | 2 +-
scripts/tracetool/format/c.py | 2 +-
scripts/tracetool/format/d.py | 2 +-
scripts/tracetool/format/h.py | 2 +-
scripts/tracetool/format/stap.py | 2 +-
scripts/tracetool/format/tcg_h.py | 2 +-
scripts/tracetool/format/tcg_helper_c.py | 2 +-
scripts/tracetool/format/tcg_helper_h.py | 2 +-
scripts/tracetool/format/tcg_helper_wrapper_h.py | 2 +-
scripts/tracetool/transform.py | 2 +-
scripts/tracetool/vcpu.py | 2 +-
softmmu/vl.c | 8 +
stubs/Makefile.objs | 1 +
stubs/cmos.c | 7 +
target/arm/Makefile.objs | 1 +
target/arm/cpu.c | 83 +-
target/arm/cpu.h | 52 +-
target/arm/cpu64.c | 15 +-
target/arm/helper-a64.c | 96 +-
target/arm/helper-a64.h | 16 +
target/arm/helper-sve.h | 488 ++++++++
target/arm/helper.c | 421 +++++--
target/arm/helper.h | 2 +
target/arm/internals.h | 153 ++-
target/arm/kvm.c | 4 +-
target/arm/kvm64.c | 14 +-
target/arm/kvm_arm.h | 21 +-
target/arm/m_helper.c | 11 +-
target/arm/mte_helper.c | 906 ++++++++++++++
target/arm/neon-dp.decode | 106 ++
target/arm/op_helper.c | 16 +
target/arm/sve_helper.c | 614 ++++++++--
target/arm/tlb_helper.c | 13 +-
target/arm/translate-a64.c | 677 +++++++++--
target/arm/translate-a64.h | 5 +
target/arm/translate-neon.inc.c | 1191 +++++++++++++++++-
target/arm/translate-sve.c | 1420 ++++++++++++++--------
target/arm/translate-vfp.inc.c | 9 +-
target/arm/translate.c | 1080 +---------------
target/arm/translate.h | 31 +-
target/i386/cpu.c | 9 +
target/i386/fpu_helper.c | 1396 +++++++++++++++++++--
target/i386/kvm.c | 46 +-
target/m68k/softfloat.c | 83 --
target/m68k/softfloat.h | 1 -
target/mips/kvm.c | 26 +
target/mips/kvm_mips.h | 11 +
target/ppc/translate_init.inc.c | 5 -
target/xtensa/cpu.h | 1 +
target/xtensa/overlay_tool.h | 8 +-
target/xtensa/translate.c | 60 +-
tests/check-block-qdict.c | 24 +-
tests/check-block.sh | 12 +-
tests/check-qobject.c | 5 +-
tests/check-qom-proplist.c | 14 +-
tests/data/acpi/pc/DSDT | Bin 5014 -> 4934 bytes
tests/data/acpi/pc/DSDT.acpihmat | Bin 6338 -> 6258 bytes
tests/data/acpi/pc/DSDT.bridge | Bin 6873 -> 6793 bytes
tests/data/acpi/pc/DSDT.cphp | Bin 5477 -> 5397 bytes
tests/data/acpi/pc/DSDT.dimmpxm | Bin 6667 -> 6587 bytes
tests/data/acpi/pc/DSDT.ipmikcs | Bin 5086 -> 5006 bytes
tests/data/acpi/pc/DSDT.memhp | Bin 6373 -> 6293 bytes
tests/data/acpi/pc/DSDT.numamem | Bin 5020 -> 4940 bytes
tests/data/acpi/q35/DSDT | Bin 7752 -> 7678 bytes
tests/data/acpi/q35/DSDT.acpihmat | Bin 9076 -> 9002 bytes
tests/data/acpi/q35/DSDT.bridge | Bin 7769 -> 7695 bytes
tests/data/acpi/q35/DSDT.cphp | Bin 8215 -> 8141 bytes
tests/data/acpi/q35/DSDT.dimmpxm | Bin 9405 -> 9331 bytes
tests/data/acpi/q35/DSDT.ipmibt | Bin 7827 -> 7753 bytes
tests/data/acpi/q35/DSDT.memhp | Bin 9111 -> 9037 bytes
tests/data/acpi/q35/DSDT.mmio64 | Bin 8882 -> 8808 bytes
tests/data/acpi/q35/DSDT.numamem | Bin 7758 -> 7684 bytes
tests/data/acpi/q35/DSDT.tis | Bin 8357 -> 8283 bytes
tests/qemu-iotests/172 | 27 +-
tests/qemu-iotests/172.out | 642 +++++++++-
tests/qtest/arm-cpu-features.c | 38 +-
tests/qtest/bios-tables-test-allowed-diff.h | 18 +
tests/qtest/bios-tables-test.c | 2 +-
tests/qtest/libqos/pci-pc.c | 2 +-
tests/qtest/test-x86-cpuid-compat.c | 4 +-
tests/qtest/tpm-emu.c | 2 +-
tests/qtest/usb-hcd-ehci-test.c | 2 +-
tests/tcg/i386/test-i386-f2xm1.c | 1140 +++++++++++++++++
tests/tcg/i386/test-i386-fpatan.c | 1071 ++++++++++++++++
tests/tcg/i386/test-i386-fyl2x.c | 1161 ++++++++++++++++++
tests/tcg/i386/test-i386-fyl2xp1.c | 1156 ++++++++++++++++++
tests/test-base64.c | 3 +-
tests/test-bdrv-graph-mod.c | 4 +-
tests/test-block-iothread.c | 3 +-
tests/test-crypto-cipher.c | 8 +-
tests/test-io-task.c | 4 +-
tests/test-logging.c | 12 +-
tests/test-qemu-opts.c | 22 +-
tests/test-replication.c | 109 +-
tests/test-string-input-visitor.c | 33 +-
tests/test-string-output-visitor.c | 16 +-
tests/test-util-filemonitor.c | 1 +
trace/simple.c | 20 +-
trace/simple.h | 2 +-
ui/vnc.c | 6 +-
util/coroutine-sigaltstack.c | 4 +
util/coroutine-ucontext.c | 28 +
util/getauxval.c | 10 +
util/oslib-posix.c | 15 +
util/qemu-timer.c | 32 +-
330 files changed, 17977 insertions(+), 6506 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 51a45703b8..dec252f38b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -842,6 +842,7 @@ M: Peter Maydell <peter.maydell@xxxxxxxxxx>
L: qemu-arm@xxxxxxxxxx
S: Maintained
F: hw/*/versatile*
+F: include/hw/i2c/arm_sbcon_i2c.h
F: hw/misc/arm_sysctl.c
F: docs/system/arm/versatile.rst
@@ -1095,6 +1096,12 @@ F: hw/isa/vt82c686.c
F: hw/pci-host/bonito.c
F: include/hw/isa/vt82c686.h
+Loongson-3 virtual platforms
+M: Huacai Chen <chenhc@xxxxxxxxxx>
+R: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
+S: Maintained
+F: hw/intc/loongson_liointc.c
+
Boston
M: Paul Burton <pburton@xxxxxxxxxxxx>
R: Aleksandar Rikalo <aleksandar.rikalo@xxxxxxxxxx>
@@ -2430,7 +2437,7 @@ F: hw/tpm/*
F: include/hw/acpi/tpm.h
F: include/sysemu/tpm*
F: qapi/tpm.json
-F: backends/tpm.c
+F: backends/tpm/
F: tests/qtest/*tpm*
T: git https://github.com/stefanberger/qemu-tpm.git tpm-next
@@ -3018,3 +3025,10 @@ M: Peter Maydell <peter.maydell@xxxxxxxxxx>
S: Maintained
F: docs/conf.py
F: docs/*/conf.py
+
+Miscellaneous
+-------------
+Performance Tools and Tests
+M: Ahmed Karaman <ahmedkhaledkaraman@xxxxxxxxx>
+S: Maintained
+F: scripts/performance/
diff --git a/Makefile b/Makefile
index 48f23aa978..b1b8a5a6d0 100644
--- a/Makefile
+++ b/Makefile
@@ -418,7 +418,7 @@ MINIKCONF_ARGS = \
CONFIG_LINUX=$(CONFIG_LINUX) \
CONFIG_PVRDMA=$(CONFIG_PVRDMA)
-MINIKCONF_INPUTS = $(SRC_PATH)/Kconfig.host $(SRC_PATH)/hw/Kconfig
+MINIKCONF_INPUTS = $(SRC_PATH)/Kconfig.host $(SRC_PATH)/backends/Kconfig
$(SRC_PATH)/hw/Kconfig
MINIKCONF_DEPS = $(MINIKCONF_INPUTS) $(wildcard $(SRC_PATH)/hw/*/Kconfig)
MINIKCONF = $(PYTHON) $(SRC_PATH)/scripts/minikconf.py \
@@ -873,8 +873,9 @@ install-sphinxdocs: sphinxdocs
install-doc: $(DOCS) install-sphinxdocs
$(INSTALL_DIR) "$(DESTDIR)$(qemu_docdir)"
$(INSTALL_DATA) $(MANUAL_BUILDDIR)/index.html "$(DESTDIR)$(qemu_docdir)"
- $(INSTALL_DATA) docs/interop/qemu-qmp-ref.html
"$(DESTDIR)$(qemu_docdir)"
- $(INSTALL_DATA) docs/interop/qemu-qmp-ref.txt "$(DESTDIR)$(qemu_docdir)"
+ $(INSTALL_DIR) "$(DESTDIR)$(qemu_docdir)/interop"
+ $(INSTALL_DATA) docs/interop/qemu-qmp-ref.html
"$(DESTDIR)$(qemu_docdir)/interop"
+ $(INSTALL_DATA) docs/interop/qemu-qmp-ref.txt
"$(DESTDIR)$(qemu_docdir)/interop"
ifdef CONFIG_POSIX
$(INSTALL_DIR) "$(DESTDIR)$(mandir)/man1"
$(INSTALL_DATA) $(MANUAL_BUILDDIR)/system/qemu.1
"$(DESTDIR)$(mandir)/man1"
@@ -892,8 +893,9 @@ ifdef CONFIG_TRACE_SYSTEMTAP
endif
ifneq (,$(findstring qemu-ga,$(TOOLS)))
$(INSTALL_DATA) $(MANUAL_BUILDDIR)/interop/qemu-ga.8
"$(DESTDIR)$(mandir)/man8"
- $(INSTALL_DATA) docs/interop/qemu-ga-ref.html "$(DESTDIR)$(qemu_docdir)"
- $(INSTALL_DATA) docs/interop/qemu-ga-ref.txt "$(DESTDIR)$(qemu_docdir)"
+ $(INSTALL_DIR) "$(DESTDIR)$(qemu_docdir)/interop"
+ $(INSTALL_DATA) docs/interop/qemu-ga-ref.html
"$(DESTDIR)$(qemu_docdir)/interop"
+ $(INSTALL_DATA) docs/interop/qemu-ga-ref.txt
"$(DESTDIR)$(qemu_docdir)/interop"
$(INSTALL_DATA) docs/interop/qemu-ga-ref.7 "$(DESTDIR)$(mandir)/man7"
endif
endif
diff --git a/Makefile.objs b/Makefile.objs
index 7ce2588b89..98383972ee 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -125,6 +125,7 @@ trace-events-subdirs =
trace-events-subdirs += accel/kvm
trace-events-subdirs += accel/tcg
trace-events-subdirs += backends
+trace-events-subdirs += backends/tpm
trace-events-subdirs += crypto
trace-events-subdirs += monitor
ifeq ($(CONFIG_USER_ONLY),y)
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index f24d7da783..d54a8701d8 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -101,7 +101,7 @@ struct KVMState
bool kernel_irqchip_required;
OnOffAuto kernel_irqchip_split;
bool sync_mmu;
- bool manual_dirty_log_protect;
+ uint64_t manual_dirty_log_protect;
/* The man page (and posix) say ioctl numbers are signed int, but
* they're not. Linux, glibc and *BSD all treat ioctl numbers as
* unsigned, and treating them as signed here can break things */
@@ -1995,6 +1995,7 @@ static int kvm_init(MachineState *ms)
int ret;
int type = 0;
const char *kvm_type;
+ uint64_t dirty_log_manual_caps;
s = KVM_STATE(ms->accelerator);
@@ -2120,14 +2121,20 @@ static int kvm_init(MachineState *ms)
s->coalesced_pio = s->coalesced_mmio &&
kvm_check_extension(s, KVM_CAP_COALESCED_PIO);
- s->manual_dirty_log_protect =
+ dirty_log_manual_caps =
kvm_check_extension(s, KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2);
- if (s->manual_dirty_log_protect) {
- ret = kvm_vm_enable_cap(s, KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2, 0, 1);
+ dirty_log_manual_caps &= (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE |
+ KVM_DIRTY_LOG_INITIALLY_SET);
+ s->manual_dirty_log_protect = dirty_log_manual_caps;
+ if (dirty_log_manual_caps) {
+ ret = kvm_vm_enable_cap(s, KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2, 0,
+ dirty_log_manual_caps);
if (ret) {
- warn_report("Trying to enable KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 "
- "but failed. Falling back to the legacy mode. ");
- s->manual_dirty_log_protect = false;
+ warn_report("Trying to enable capability %"PRIu64" of "
+ "KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 but failed. "
+ "Falling back to the legacy mode. ",
+ dirty_log_manual_caps);
+ s->manual_dirty_log_protect = 0;
}
}
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index c3d37058a1..2afa46bd2b 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -2582,9 +2582,9 @@ int page_check_range(target_ulong start, target_ulong
len, int flags)
/* This function should never be called with addresses outside the
guest address space. If this assert fires, it probably indicates
a missing call to h2g_valid. */
-#if TARGET_ABI_BITS > L1_MAP_ADDR_SPACE_BITS
- assert(start < ((target_ulong)1 << L1_MAP_ADDR_SPACE_BITS));
-#endif
+ if (TARGET_ABI_BITS > L1_MAP_ADDR_SPACE_BITS) {
+ assert(start < ((target_ulong)1 << L1_MAP_ADDR_SPACE_BITS));
+ }
if (len == 0) {
return 0;
diff --git a/backends/Kconfig b/backends/Kconfig
new file mode 100644
index 0000000000..f35abc1609
--- /dev/null
+++ b/backends/Kconfig
@@ -0,0 +1 @@
+source tpm/Kconfig
diff --git a/backends/Makefile.objs b/backends/Makefile.objs
index 28a847cd57..22d204cb48 100644
--- a/backends/Makefile.objs
+++ b/backends/Makefile.objs
@@ -1,7 +1,7 @@
common-obj-y += rng.o rng-egd.o rng-builtin.o
common-obj-$(CONFIG_POSIX) += rng-random.o
-common-obj-$(CONFIG_TPM) += tpm.o
+common-obj-$(CONFIG_TPM) += tpm/
common-obj-y += hostmem.o hostmem-ram.o
common-obj-$(CONFIG_POSIX) += hostmem-file.o
diff --git a/backends/tpm.c b/backends/tpm.c
deleted file mode 100644
index 375587e743..0000000000
--- a/backends/tpm.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * QEMU TPM Backend
- *
- * Copyright IBM, Corp. 2013
- *
- * Authors:
- * Stefan Berger <stefanb@xxxxxxxxxx>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- *
- * Based on backends/rng.c by Anthony Liguori
- */
-
-#include "qemu/osdep.h"
-#include "sysemu/tpm_backend.h"
-#include "qapi/error.h"
-#include "sysemu/tpm.h"
-#include "qemu/thread.h"
-#include "qemu/main-loop.h"
-#include "qemu/module.h"
-#include "block/thread-pool.h"
-#include "qemu/error-report.h"
-
-static void tpm_backend_request_completed(void *opaque, int ret)
-{
- TPMBackend *s = TPM_BACKEND(opaque);
- TPMIfClass *tic = TPM_IF_GET_CLASS(s->tpmif);
-
- tic->request_completed(s->tpmif, ret);
-
- /* no need for atomic, as long the BQL is taken */
- s->cmd = NULL;
- object_unref(OBJECT(s));
-}
-
-static int tpm_backend_worker_thread(gpointer data)
-{
- TPMBackend *s = TPM_BACKEND(data);
- TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
- Error *err = NULL;
-
- k->handle_request(s, s->cmd, &err);
- if (err) {
- error_report_err(err);
- return -1;
- }
-
- return 0;
-}
-
-void tpm_backend_finish_sync(TPMBackend *s)
-{
- while (s->cmd) {
- aio_poll(qemu_get_aio_context(), true);
- }
-}
-
-enum TpmType tpm_backend_get_type(TPMBackend *s)
-{
- TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
-
- return k->type;
-}
-
-int tpm_backend_init(TPMBackend *s, TPMIf *tpmif, Error **errp)
-{
- if (s->tpmif) {
- error_setg(errp, "TPM backend '%s' is already initialized", s->id);
- return -1;
- }
-
- s->tpmif = tpmif;
- object_ref(OBJECT(tpmif));
-
- s->had_startup_error = false;
-
- return 0;
-}
-
-int tpm_backend_startup_tpm(TPMBackend *s, size_t buffersize)
-{
- int res = 0;
- TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
-
- /* terminate a running TPM */
- tpm_backend_finish_sync(s);
-
- res = k->startup_tpm ? k->startup_tpm(s, buffersize) : 0;
-
- s->had_startup_error = (res != 0);
-
- return res;
-}
-
-bool tpm_backend_had_startup_error(TPMBackend *s)
-{
- return s->had_startup_error;
-}
-
-void tpm_backend_deliver_request(TPMBackend *s, TPMBackendCmd *cmd)
-{
- ThreadPool *pool = aio_get_thread_pool(qemu_get_aio_context());
-
- if (s->cmd != NULL) {
- error_report("There is a TPM request pending");
- return;
- }
-
- s->cmd = cmd;
- object_ref(OBJECT(s));
- thread_pool_submit_aio(pool, tpm_backend_worker_thread, s,
- tpm_backend_request_completed, s);
-}
-
-void tpm_backend_reset(TPMBackend *s)
-{
- TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
-
- if (k->reset) {
- k->reset(s);
- }
-
- tpm_backend_finish_sync(s);
-
- s->had_startup_error = false;
-}
-
-void tpm_backend_cancel_cmd(TPMBackend *s)
-{
- TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
-
- k->cancel_cmd(s);
-}
-
-bool tpm_backend_get_tpm_established_flag(TPMBackend *s)
-{
- TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
-
- return k->get_tpm_established_flag ?
- k->get_tpm_established_flag(s) : false;
-}
-
-int tpm_backend_reset_tpm_established_flag(TPMBackend *s, uint8_t locty)
-{
- TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
-
- return k->reset_tpm_established_flag ?
- k->reset_tpm_established_flag(s, locty) : 0;
-}
-
-TPMVersion tpm_backend_get_tpm_version(TPMBackend *s)
-{
- TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
-
- return k->get_tpm_version(s);
-}
-
-size_t tpm_backend_get_buffer_size(TPMBackend *s)
-{
- TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
-
- return k->get_buffer_size(s);
-}
-
-TPMInfo *tpm_backend_query_tpm(TPMBackend *s)
-{
- TPMInfo *info = g_new0(TPMInfo, 1);
- TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
- TPMIfClass *tic = TPM_IF_GET_CLASS(s->tpmif);
-
- info->id = g_strdup(s->id);
- info->model = tic->model;
- info->options = k->get_tpm_options(s);
-
- return info;
-}
-
-static void tpm_backend_instance_finalize(Object *obj)
-{
- TPMBackend *s = TPM_BACKEND(obj);
-
- object_unref(OBJECT(s->tpmif));
- g_free(s->id);
-}
-
-static const TypeInfo tpm_backend_info = {
- .name = TYPE_TPM_BACKEND,
- .parent = TYPE_OBJECT,
- .instance_size = sizeof(TPMBackend),
- .instance_finalize = tpm_backend_instance_finalize,
- .class_size = sizeof(TPMBackendClass),
- .abstract = true,
-};
-
-static const TypeInfo tpm_if_info = {
- .name = TYPE_TPM_IF,
- .parent = TYPE_INTERFACE,
- .class_size = sizeof(TPMIfClass),
-};
-
-static void register_types(void)
-{
- type_register_static(&tpm_backend_info);
- type_register_static(&tpm_if_info);
-}
-
-type_init(register_types);
diff --git a/backends/tpm/Kconfig b/backends/tpm/Kconfig
new file mode 100644
index 0000000000..5d91eb89c2
--- /dev/null
+++ b/backends/tpm/Kconfig
@@ -0,0 +1,14 @@
+config TPM_BACKEND
+ bool
+ depends on TPM
+
+config TPM_PASSTHROUGH
+ bool
+ default y
+ # FIXME: should check for x86 host as well
+ depends on TPM_BACKEND && LINUX
+
+config TPM_EMULATOR
+ bool
+ default y
+ depends on TPM_BACKEND
diff --git a/backends/tpm/Makefile.objs b/backends/tpm/Makefile.objs
new file mode 100644
index 0000000000..db2731f634
--- /dev/null
+++ b/backends/tpm/Makefile.objs
@@ -0,0 +1,4 @@
+common-obj-y += tpm_backend.o
+common-obj-y += tpm_util.o
+common-obj-$(CONFIG_TPM_PASSTHROUGH) += tpm_passthrough.o
+common-obj-$(CONFIG_TPM_EMULATOR) += tpm_emulator.o
diff --git a/backends/tpm/tpm_backend.c b/backends/tpm/tpm_backend.c
new file mode 100644
index 0000000000..375587e743
--- /dev/null
+++ b/backends/tpm/tpm_backend.c
@@ -0,0 +1,208 @@
+/*
+ * QEMU TPM Backend
+ *
+ * Copyright IBM, Corp. 2013
+ *
+ * Authors:
+ * Stefan Berger <stefanb@xxxxxxxxxx>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ * Based on backends/rng.c by Anthony Liguori
+ */
+
+#include "qemu/osdep.h"
+#include "sysemu/tpm_backend.h"
+#include "qapi/error.h"
+#include "sysemu/tpm.h"
+#include "qemu/thread.h"
+#include "qemu/main-loop.h"
+#include "qemu/module.h"
+#include "block/thread-pool.h"
+#include "qemu/error-report.h"
+
+static void tpm_backend_request_completed(void *opaque, int ret)
+{
+ TPMBackend *s = TPM_BACKEND(opaque);
+ TPMIfClass *tic = TPM_IF_GET_CLASS(s->tpmif);
+
+ tic->request_completed(s->tpmif, ret);
+
+ /* no need for atomic, as long the BQL is taken */
+ s->cmd = NULL;
+ object_unref(OBJECT(s));
+}
+
+static int tpm_backend_worker_thread(gpointer data)
+{
+ TPMBackend *s = TPM_BACKEND(data);
+ TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
+ Error *err = NULL;
+
+ k->handle_request(s, s->cmd, &err);
+ if (err) {
+ error_report_err(err);
+ return -1;
+ }
+
+ return 0;
+}
+
+void tpm_backend_finish_sync(TPMBackend *s)
+{
+ while (s->cmd) {
+ aio_poll(qemu_get_aio_context(), true);
+ }
+}
+
+enum TpmType tpm_backend_get_type(TPMBackend *s)
+{
+ TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
+
+ return k->type;
+}
+
+int tpm_backend_init(TPMBackend *s, TPMIf *tpmif, Error **errp)
+{
+ if (s->tpmif) {
+ error_setg(errp, "TPM backend '%s' is already initialized", s->id);
+ return -1;
+ }
+
+ s->tpmif = tpmif;
+ object_ref(OBJECT(tpmif));
+
+ s->had_startup_error = false;
+
+ return 0;
+}
+
+int tpm_backend_startup_tpm(TPMBackend *s, size_t buffersize)
+{
+ int res = 0;
+ TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
+
+ /* terminate a running TPM */
+ tpm_backend_finish_sync(s);
+
+ res = k->startup_tpm ? k->startup_tpm(s, buffersize) : 0;
+
+ s->had_startup_error = (res != 0);
+
+ return res;
+}
+
+bool tpm_backend_had_startup_error(TPMBackend *s)
+{
+ return s->had_startup_error;
+}
+
+void tpm_backend_deliver_request(TPMBackend *s, TPMBackendCmd *cmd)
+{
+ ThreadPool *pool = aio_get_thread_pool(qemu_get_aio_context());
+
+ if (s->cmd != NULL) {
+ error_report("There is a TPM request pending");
+ return;
+ }
+
+ s->cmd = cmd;
+ object_ref(OBJECT(s));
+ thread_pool_submit_aio(pool, tpm_backend_worker_thread, s,
+ tpm_backend_request_completed, s);
+}
+
+void tpm_backend_reset(TPMBackend *s)
+{
+ TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
+
+ if (k->reset) {
+ k->reset(s);
+ }
+
+ tpm_backend_finish_sync(s);
+
+ s->had_startup_error = false;
+}
+
+void tpm_backend_cancel_cmd(TPMBackend *s)
+{
+ TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
+
+ k->cancel_cmd(s);
+}
+
+bool tpm_backend_get_tpm_established_flag(TPMBackend *s)
+{
+ TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
+
+ return k->get_tpm_established_flag ?
+ k->get_tpm_established_flag(s) : false;
+}
+
+int tpm_backend_reset_tpm_established_flag(TPMBackend *s, uint8_t locty)
+{
+ TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
+
+ return k->reset_tpm_established_flag ?
+ k->reset_tpm_established_flag(s, locty) : 0;
+}
+
+TPMVersion tpm_backend_get_tpm_version(TPMBackend *s)
+{
+ TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
+
+ return k->get_tpm_version(s);
+}
+
+size_t tpm_backend_get_buffer_size(TPMBackend *s)
+{
+ TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
+
+ return k->get_buffer_size(s);
+}
+
+TPMInfo *tpm_backend_query_tpm(TPMBackend *s)
+{
+ TPMInfo *info = g_new0(TPMInfo, 1);
+ TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
+ TPMIfClass *tic = TPM_IF_GET_CLASS(s->tpmif);
+
+ info->id = g_strdup(s->id);
+ info->model = tic->model;
+ info->options = k->get_tpm_options(s);
+
+ return info;
+}
+
+static void tpm_backend_instance_finalize(Object *obj)
+{
+ TPMBackend *s = TPM_BACKEND(obj);
+
+ object_unref(OBJECT(s->tpmif));
+ g_free(s->id);
+}
+
+static const TypeInfo tpm_backend_info = {
+ .name = TYPE_TPM_BACKEND,
+ .parent = TYPE_OBJECT,
+ .instance_size = sizeof(TPMBackend),
+ .instance_finalize = tpm_backend_instance_finalize,
+ .class_size = sizeof(TPMBackendClass),
+ .abstract = true,
+};
+
+static const TypeInfo tpm_if_info = {
+ .name = TYPE_TPM_IF,
+ .parent = TYPE_INTERFACE,
+ .class_size = sizeof(TPMIfClass),
+};
+
+static void register_types(void)
+{
+ type_register_static(&tpm_backend_info);
+ type_register_static(&tpm_if_info);
+}
+
+type_init(register_types);
diff --git a/backends/tpm/tpm_emulator.c b/backends/tpm/tpm_emulator.c
new file mode 100644
index 0000000000..9605339f93
--- /dev/null
+++ b/backends/tpm/tpm_emulator.c
@@ -0,0 +1,997 @@
+/*
+ * Emulator TPM driver
+ *
+ * Copyright (c) 2017 Intel Corporation
+ * Author: Amarnath Valluri <amarnath.valluri@xxxxxxxxx>
+ *
+ * Copyright (c) 2010 - 2013, 2018 IBM Corporation
+ * Authors:
+ * Stefan Berger <stefanb@xxxxxxxxxx>
+ *
+ * Copyright (C) 2011 IAIK, Graz University of Technology
+ * Author: Andreas Niederl
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/error-report.h"
+#include "qemu/module.h"
+#include "qemu/sockets.h"
+#include "io/channel-socket.h"
+#include "sysemu/tpm_backend.h"
+#include "sysemu/tpm_util.h"
+#include "tpm_int.h"
+#include "tpm_ioctl.h"
+#include "migration/blocker.h"
+#include "migration/vmstate.h"
+#include "qapi/error.h"
+#include "qapi/clone-visitor.h"
+#include "qapi/qapi-visit-tpm.h"
+#include "chardev/char-fe.h"
+#include "trace.h"
+
+#define TYPE_TPM_EMULATOR "tpm-emulator"
+#define TPM_EMULATOR(obj) \
+ OBJECT_CHECK(TPMEmulator, (obj), TYPE_TPM_EMULATOR)
+
+#define TPM_EMULATOR_IMPLEMENTS_ALL_CAPS(S, cap) (((S)->caps & (cap)) == (cap))
+
+/* data structures */
+
+/* blobs from the TPM; part of VM state when migrating */
+typedef struct TPMBlobBuffers {
+ uint32_t permanent_flags;
+ TPMSizedBuffer permanent;
+
+ uint32_t volatil_flags;
+ TPMSizedBuffer volatil;
+
+ uint32_t savestate_flags;
+ TPMSizedBuffer savestate;
+} TPMBlobBuffers;
+
+typedef struct TPMEmulator {
+ TPMBackend parent;
+
+ TPMEmulatorOptions *options;
+ CharBackend ctrl_chr;
+ QIOChannel *data_ioc;
+ TPMVersion tpm_version;
+ ptm_cap caps; /* capabilities of the TPM */
+ uint8_t cur_locty_number; /* last set locality */
+ Error *migration_blocker;
+
+ QemuMutex mutex;
+
+ unsigned int established_flag:1;
+ unsigned int established_flag_cached:1;
+
+ TPMBlobBuffers state_blobs;
+} TPMEmulator;
+
+struct tpm_error {
+ uint32_t tpm_result;
+ const char *string;
+};
+
+static const struct tpm_error tpm_errors[] = {
+ /* TPM 1.2 error codes */
+ { TPM_BAD_PARAMETER , "a parameter is bad" },
+ { TPM_FAIL , "operation failed" },
+ { TPM_KEYNOTFOUND , "key could not be found" },
+ { TPM_BAD_PARAM_SIZE , "bad parameter size"},
+ { TPM_ENCRYPT_ERROR , "encryption error" },
+ { TPM_DECRYPT_ERROR , "decryption error" },
+ { TPM_BAD_KEY_PROPERTY, "bad key property" },
+ { TPM_BAD_MODE , "bad (encryption) mode" },
+ { TPM_BAD_VERSION , "bad version identifier" },
+ { TPM_BAD_LOCALITY , "bad locality" },
+ /* TPM 2 error codes */
+ { TPM_RC_FAILURE , "operation failed" },
+ { TPM_RC_LOCALITY , "bad locality" },
+ { TPM_RC_INSUFFICIENT, "insufficient amount of data" },
+};
+
+static const char *tpm_emulator_strerror(uint32_t tpm_result)
+{
+ size_t i;
+
+ for (i = 0; i < ARRAY_SIZE(tpm_errors); i++) {
+ if (tpm_errors[i].tpm_result == tpm_result) {
+ return tpm_errors[i].string;
+ }
+ }
+ return "";
+}
+
+static int tpm_emulator_ctrlcmd(TPMEmulator *tpm, unsigned long cmd, void *msg,
+ size_t msg_len_in, size_t msg_len_out)
+{
+ CharBackend *dev = &tpm->ctrl_chr;
+ uint32_t cmd_no = cpu_to_be32(cmd);
+ ssize_t n = sizeof(uint32_t) + msg_len_in;
+ uint8_t *buf = NULL;
+ int ret = -1;
+
+ qemu_mutex_lock(&tpm->mutex);
+
+ buf = g_alloca(n);
+ memcpy(buf, &cmd_no, sizeof(cmd_no));
+ memcpy(buf + sizeof(cmd_no), msg, msg_len_in);
+
+ n = qemu_chr_fe_write_all(dev, buf, n);
+ if (n <= 0) {
+ goto end;
+ }
+
+ if (msg_len_out != 0) {
+ n = qemu_chr_fe_read_all(dev, msg, msg_len_out);
+ if (n <= 0) {
+ goto end;
+ }
+ }
+
+ ret = 0;
+
+end:
+ qemu_mutex_unlock(&tpm->mutex);
+ return ret;
+}
+
+static int tpm_emulator_unix_tx_bufs(TPMEmulator *tpm_emu,
+ const uint8_t *in, uint32_t in_len,
+ uint8_t *out, uint32_t out_len,
+ bool *selftest_done,
+ Error **errp)
+{
+ ssize_t ret;
+ bool is_selftest = false;
+
+ if (selftest_done) {
+ *selftest_done = false;
+ is_selftest = tpm_util_is_selftest(in, in_len);
+ }
+
+ ret = qio_channel_write_all(tpm_emu->data_ioc, (char *)in, in_len, errp);
+ if (ret != 0) {
+ return -1;
+ }
+
+ ret = qio_channel_read_all(tpm_emu->data_ioc, (char *)out,
+ sizeof(struct tpm_resp_hdr), errp);
+ if (ret != 0) {
+ return -1;
+ }
+
+ ret = qio_channel_read_all(tpm_emu->data_ioc,
+ (char *)out + sizeof(struct tpm_resp_hdr),
+ tpm_cmd_get_size(out) - sizeof(struct tpm_resp_hdr), errp);
+ if (ret != 0) {
+ return -1;
+ }
+
+ if (is_selftest) {
+ *selftest_done = tpm_cmd_get_errcode(out) == 0;
+ }
+
+ return 0;
+}
+
+static int tpm_emulator_set_locality(TPMEmulator *tpm_emu, uint8_t
locty_number,
+ Error **errp)
+{
+ ptm_loc loc;
+
+ if (tpm_emu->cur_locty_number == locty_number) {
+ return 0;
+ }
+
+ trace_tpm_emulator_set_locality(locty_number);
+
+ memset(&loc, 0, sizeof(loc));
+ loc.u.req.loc = locty_number;
+ if (tpm_emulator_ctrlcmd(tpm_emu, CMD_SET_LOCALITY, &loc,
+ sizeof(loc), sizeof(loc)) < 0) {
+ error_setg(errp, "tpm-emulator: could not set locality : %s",
+ strerror(errno));
+ return -1;
+ }
+
+ loc.u.resp.tpm_result = be32_to_cpu(loc.u.resp.tpm_result);
+ if (loc.u.resp.tpm_result != 0) {
+ error_setg(errp, "tpm-emulator: TPM result for set locality : 0x%x",
+ loc.u.resp.tpm_result);
+ return -1;
+ }
+
+ tpm_emu->cur_locty_number = locty_number;
+
+ return 0;
+}
+
+static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd,
+ Error **errp)
+{
+ TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+
+ trace_tpm_emulator_handle_request();
+
+ if (tpm_emulator_set_locality(tpm_emu, cmd->locty, errp) < 0 ||
+ tpm_emulator_unix_tx_bufs(tpm_emu, cmd->in, cmd->in_len,
+ cmd->out, cmd->out_len,
+ &cmd->selftest_done, errp) < 0) {
+ tpm_util_write_fatal_error_response(cmd->out, cmd->out_len);
+ }
+}
+
+static int tpm_emulator_probe_caps(TPMEmulator *tpm_emu)
+{
+ if (tpm_emulator_ctrlcmd(tpm_emu, CMD_GET_CAPABILITY,
+ &tpm_emu->caps, 0, sizeof(tpm_emu->caps)) < 0) {
+ error_report("tpm-emulator: probing failed : %s", strerror(errno));
+ return -1;
+ }
+
+ tpm_emu->caps = be64_to_cpu(tpm_emu->caps);
+
+ trace_tpm_emulator_probe_caps(tpm_emu->caps);
+
+ return 0;
+}
+
+static int tpm_emulator_check_caps(TPMEmulator *tpm_emu)
+{
+ ptm_cap caps = 0;
+ const char *tpm = NULL;
+
+ /* check for min. required capabilities */
+ switch (tpm_emu->tpm_version) {
+ case TPM_VERSION_1_2:
+ caps = PTM_CAP_INIT | PTM_CAP_SHUTDOWN | PTM_CAP_GET_TPMESTABLISHED |
+ PTM_CAP_SET_LOCALITY | PTM_CAP_SET_DATAFD | PTM_CAP_STOP |
+ PTM_CAP_SET_BUFFERSIZE;
+ tpm = "1.2";
+ break;
+ case TPM_VERSION_2_0:
+ caps = PTM_CAP_INIT | PTM_CAP_SHUTDOWN | PTM_CAP_GET_TPMESTABLISHED |
+ PTM_CAP_SET_LOCALITY | PTM_CAP_RESET_TPMESTABLISHED |
+ PTM_CAP_SET_DATAFD | PTM_CAP_STOP | PTM_CAP_SET_BUFFERSIZE;
+ tpm = "2";
+ break;
+ case TPM_VERSION_UNSPEC:
+ error_report("tpm-emulator: TPM version has not been set");
+ return -1;
+ }
+
+ if (!TPM_EMULATOR_IMPLEMENTS_ALL_CAPS(tpm_emu, caps)) {
+ error_report("tpm-emulator: TPM does not implement minimum set of "
+ "required capabilities for TPM %s (0x%x)", tpm,
(int)caps);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int tpm_emulator_stop_tpm(TPMBackend *tb)
+{
+ TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+ ptm_res res;
+
+ if (tpm_emulator_ctrlcmd(tpm_emu, CMD_STOP, &res, 0, sizeof(res)) < 0) {
+ error_report("tpm-emulator: Could not stop TPM: %s",
+ strerror(errno));
+ return -1;
+ }
+
+ res = be32_to_cpu(res);
+ if (res) {
+ error_report("tpm-emulator: TPM result for CMD_STOP: 0x%x %s", res,
+ tpm_emulator_strerror(res));
+ return -1;
+ }
+
+ return 0;
+}
+
+static int tpm_emulator_set_buffer_size(TPMBackend *tb,
+ size_t wanted_size,
+ size_t *actual_size)
+{
+ TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+ ptm_setbuffersize psbs;
+
+ if (tpm_emulator_stop_tpm(tb) < 0) {
+ return -1;
+ }
+
+ psbs.u.req.buffersize = cpu_to_be32(wanted_size);
+
+ if (tpm_emulator_ctrlcmd(tpm_emu, CMD_SET_BUFFERSIZE, &psbs,
+ sizeof(psbs.u.req), sizeof(psbs.u.resp)) < 0) {
+ error_report("tpm-emulator: Could not set buffer size: %s",
+ strerror(errno));
+ return -1;
+ }
+
+ psbs.u.resp.tpm_result = be32_to_cpu(psbs.u.resp.tpm_result);
+ if (psbs.u.resp.tpm_result != 0) {
+ error_report("tpm-emulator: TPM result for set buffer size : 0x%x %s",
+ psbs.u.resp.tpm_result,
+ tpm_emulator_strerror(psbs.u.resp.tpm_result));
+ return -1;
+ }
+
+ if (actual_size) {
+ *actual_size = be32_to_cpu(psbs.u.resp.buffersize);
+ }
+
+ trace_tpm_emulator_set_buffer_size(
+ be32_to_cpu(psbs.u.resp.buffersize),
+ be32_to_cpu(psbs.u.resp.minsize),
+ be32_to_cpu(psbs.u.resp.maxsize));
+
+ return 0;
+}
+
+static int tpm_emulator_startup_tpm_resume(TPMBackend *tb, size_t buffersize,
+ bool is_resume)
+{
+ TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+ ptm_init init = {
+ .u.req.init_flags = 0,
+ };
+ ptm_res res;
+
+ trace_tpm_emulator_startup_tpm_resume(is_resume, buffersize);
+
+ if (buffersize != 0 &&
+ tpm_emulator_set_buffer_size(tb, buffersize, NULL) < 0) {
+ goto err_exit;
+ }
+
+ if (is_resume) {
+ init.u.req.init_flags |= cpu_to_be32(PTM_INIT_FLAG_DELETE_VOLATILE);
+ }
+
+ if (tpm_emulator_ctrlcmd(tpm_emu, CMD_INIT, &init, sizeof(init),
+ sizeof(init)) < 0) {
+ error_report("tpm-emulator: could not send INIT: %s",
+ strerror(errno));
+ goto err_exit;
+ }
+
+ res = be32_to_cpu(init.u.resp.tpm_result);
+ if (res) {
+ error_report("tpm-emulator: TPM result for CMD_INIT: 0x%x %s", res,
+ tpm_emulator_strerror(res));
+ goto err_exit;
+ }
+ return 0;
+
+err_exit:
+ return -1;
+}
+
+static int tpm_emulator_startup_tpm(TPMBackend *tb, size_t buffersize)
+{
+ return tpm_emulator_startup_tpm_resume(tb, buffersize, false);
+}
+
+static bool tpm_emulator_get_tpm_established_flag(TPMBackend *tb)
+{
+ TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+ ptm_est est;
+
+ if (tpm_emu->established_flag_cached) {
+ return tpm_emu->established_flag;
+ }
+
+ if (tpm_emulator_ctrlcmd(tpm_emu, CMD_GET_TPMESTABLISHED, &est,
+ 0, sizeof(est)) < 0) {
+ error_report("tpm-emulator: Could not get the TPM established flag:
%s",
+ strerror(errno));
+ return false;
+ }
+ trace_tpm_emulator_get_tpm_established_flag(est.u.resp.bit);
+
+ tpm_emu->established_flag_cached = 1;
+ tpm_emu->established_flag = (est.u.resp.bit != 0);
+
+ return tpm_emu->established_flag;
+}
+
+static int tpm_emulator_reset_tpm_established_flag(TPMBackend *tb,
+ uint8_t locty)
+{
+ TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+ ptm_reset_est reset_est;
+ ptm_res res;
+
+ /* only a TPM 2.0 will support this */
+ if (tpm_emu->tpm_version != TPM_VERSION_2_0) {
+ return 0;
+ }
+
+ reset_est.u.req.loc = tpm_emu->cur_locty_number;
+ if (tpm_emulator_ctrlcmd(tpm_emu, CMD_RESET_TPMESTABLISHED,
+ &reset_est, sizeof(reset_est),
+ sizeof(reset_est)) < 0) {
+ error_report("tpm-emulator: Could not reset the establishment bit: %s",
+ strerror(errno));
+ return -1;
+ }
+
+ res = be32_to_cpu(reset_est.u.resp.tpm_result);
+ if (res) {
+ error_report(
+ "tpm-emulator: TPM result for rest established flag: 0x%x %s",
+ res, tpm_emulator_strerror(res));
+ return -1;
+ }
+
+ tpm_emu->established_flag_cached = 0;
+
+ return 0;
+}
+
+static void tpm_emulator_cancel_cmd(TPMBackend *tb)
+{
+ TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+ ptm_res res;
+
+ if (!TPM_EMULATOR_IMPLEMENTS_ALL_CAPS(tpm_emu, PTM_CAP_CANCEL_TPM_CMD)) {
+ trace_tpm_emulator_cancel_cmd_not_supt();
+ return;
+ }
+
+ /* FIXME: make the function non-blocking, or it may block a VCPU */
+ if (tpm_emulator_ctrlcmd(tpm_emu, CMD_CANCEL_TPM_CMD, &res, 0,
+ sizeof(res)) < 0) {
+ error_report("tpm-emulator: Could not cancel command: %s",
+ strerror(errno));
+ } else if (res != 0) {
+ error_report("tpm-emulator: Failed to cancel TPM: 0x%x",
+ be32_to_cpu(res));
+ }
+}
+
+static TPMVersion tpm_emulator_get_tpm_version(TPMBackend *tb)
+{
+ TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+
+ return tpm_emu->tpm_version;
+}
+
+static size_t tpm_emulator_get_buffer_size(TPMBackend *tb)
+{
+ size_t actual_size;
+
+ if (tpm_emulator_set_buffer_size(tb, 0, &actual_size) < 0) {
+ return 4096;
+ }
+
+ return actual_size;
+}
+
+static int tpm_emulator_block_migration(TPMEmulator *tpm_emu)
+{
+ Error *err = NULL;
+ ptm_cap caps = PTM_CAP_GET_STATEBLOB | PTM_CAP_SET_STATEBLOB |
+ PTM_CAP_STOP;
+
+ if (!TPM_EMULATOR_IMPLEMENTS_ALL_CAPS(tpm_emu, caps)) {
+ error_setg(&tpm_emu->migration_blocker,
+ "Migration disabled: TPM emulator does not support "
+ "migration");
+ migrate_add_blocker(tpm_emu->migration_blocker, &err);
+ if (err) {
+ error_report_err(err);
+ error_free(tpm_emu->migration_blocker);
+ tpm_emu->migration_blocker = NULL;
+
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+static int tpm_emulator_prepare_data_fd(TPMEmulator *tpm_emu)
+{
+ ptm_res res;
+ Error *err = NULL;
+ int fds[2] = { -1, -1 };
+
+ if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds) < 0) {
+ error_report("tpm-emulator: Failed to create socketpair");
+ return -1;
+ }
+
+ qemu_chr_fe_set_msgfds(&tpm_emu->ctrl_chr, fds + 1, 1);
+
+ if (tpm_emulator_ctrlcmd(tpm_emu, CMD_SET_DATAFD, &res, 0,
+ sizeof(res)) < 0 || res != 0) {
+ error_report("tpm-emulator: Failed to send CMD_SET_DATAFD: %s",
+ strerror(errno));
+ goto err_exit;
+ }
+
+ tpm_emu->data_ioc = QIO_CHANNEL(qio_channel_socket_new_fd(fds[0], &err));
+ if (err) {
+ error_prepend(&err, "tpm-emulator: Failed to create io channel: ");
+ error_report_err(err);
+ goto err_exit;
+ }
+
+ closesocket(fds[1]);
+
+ return 0;
+
+err_exit:
+ closesocket(fds[0]);
+ closesocket(fds[1]);
+ return -1;
+}
+
+static int tpm_emulator_handle_device_opts(TPMEmulator *tpm_emu, QemuOpts
*opts)
+{
+ const char *value;
+
+ value = qemu_opt_get(opts, "chardev");
+ if (value) {
+ Error *err = NULL;
+ Chardev *dev = qemu_chr_find(value);
+
+ if (!dev) {
+ error_report("tpm-emulator: tpm chardev '%s' not found.", value);
+ goto err;
+ }
+
+ if (!qemu_chr_fe_init(&tpm_emu->ctrl_chr, dev, &err)) {
+ error_prepend(&err, "tpm-emulator: No valid chardev found at
'%s':",
+ value);
+ error_report_err(err);
+ goto err;
+ }
+
+ tpm_emu->options->chardev = g_strdup(value);
+ }
+
+ if (tpm_emulator_prepare_data_fd(tpm_emu) < 0) {
+ goto err;
+ }
+
+ /* FIXME: tpm_util_test_tpmdev() accepts only on socket fd, as it also used
+ * by passthrough driver, which not yet using GIOChannel.
+ */
+ if (tpm_util_test_tpmdev(QIO_CHANNEL_SOCKET(tpm_emu->data_ioc)->fd,
+ &tpm_emu->tpm_version)) {
+ error_report("'%s' is not emulating TPM device. Error: %s",
+ tpm_emu->options->chardev, strerror(errno));
+ goto err;
+ }
+
+ switch (tpm_emu->tpm_version) {
+ case TPM_VERSION_1_2:
+ trace_tpm_emulator_handle_device_opts_tpm12();
+ break;
+ case TPM_VERSION_2_0:
+ trace_tpm_emulator_handle_device_opts_tpm2();
+ break;
+ default:
+ trace_tpm_emulator_handle_device_opts_unspec();
+ }
+
+ if (tpm_emulator_probe_caps(tpm_emu) ||
+ tpm_emulator_check_caps(tpm_emu)) {
+ goto err;
+ }
+
+ return tpm_emulator_block_migration(tpm_emu);
+
+err:
+ trace_tpm_emulator_handle_device_opts_startup_error();
+
+ return -1;
+}
+
+static TPMBackend *tpm_emulator_create(QemuOpts *opts)
+{
+ TPMBackend *tb = TPM_BACKEND(object_new(TYPE_TPM_EMULATOR));
+
+ if (tpm_emulator_handle_device_opts(TPM_EMULATOR(tb), opts)) {
+ object_unref(OBJECT(tb));
+ return NULL;
+ }
+
+ return tb;
+}
+
+static TpmTypeOptions *tpm_emulator_get_tpm_options(TPMBackend *tb)
+{
+ TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+ TpmTypeOptions *options = g_new0(TpmTypeOptions, 1);
+
+ options->type = TPM_TYPE_OPTIONS_KIND_EMULATOR;
+ options->u.emulator.data = QAPI_CLONE(TPMEmulatorOptions,
tpm_emu->options);
+
+ return options;
+}
+
+static const QemuOptDesc tpm_emulator_cmdline_opts[] = {
+ TPM_STANDARD_CMDLINE_OPTS,
+ {
+ .name = "chardev",
+ .type = QEMU_OPT_STRING,
+ .help = "Character device to use for out-of-band control messages",
+ },
+ { /* end of list */ },
+};
+
+/*
+ * Transfer a TPM state blob from the TPM into a provided buffer.
+ *
+ * @tpm_emu: TPMEmulator
+ * @type: the type of blob to transfer
+ * @tsb: the TPMSizeBuffer to fill with the blob
+ * @flags: the flags to return to the caller
+ */
+static int tpm_emulator_get_state_blob(TPMEmulator *tpm_emu,
+ uint8_t type,
+ TPMSizedBuffer *tsb,
+ uint32_t *flags)
+{
+ ptm_getstate pgs;
+ ptm_res res;
+ ssize_t n;
+ uint32_t totlength, length;
+
+ tpm_sized_buffer_reset(tsb);
+
+ pgs.u.req.state_flags = cpu_to_be32(PTM_STATE_FLAG_DECRYPTED);
+ pgs.u.req.type = cpu_to_be32(type);
+ pgs.u.req.offset = 0;
+
+ if (tpm_emulator_ctrlcmd(tpm_emu, CMD_GET_STATEBLOB,
+ &pgs, sizeof(pgs.u.req),
+ offsetof(ptm_getstate, u.resp.data)) < 0) {
+ error_report("tpm-emulator: could not get state blob type %d : %s",
+ type, strerror(errno));
+ return -1;
+ }
+
+ res = be32_to_cpu(pgs.u.resp.tpm_result);
+ if (res != 0 && (res & 0x800) == 0) {
+ error_report("tpm-emulator: Getting the stateblob (type %d) failed "
+ "with a TPM error 0x%x %s", type, res,
+ tpm_emulator_strerror(res));
+ return -1;
+ }
+
+ totlength = be32_to_cpu(pgs.u.resp.totlength);
+ length = be32_to_cpu(pgs.u.resp.length);
+ if (totlength != length) {
+ error_report("tpm-emulator: Expecting to read %u bytes "
+ "but would get %u", totlength, length);
+ return -1;
+ }
+
+ *flags = be32_to_cpu(pgs.u.resp.state_flags);
+
+ if (totlength > 0) {
+ tsb->buffer = g_try_malloc(totlength);
+ if (!tsb->buffer) {
+ error_report("tpm-emulator: Out of memory allocating %u bytes",
+ totlength);
+ return -1;
+ }
+
+ n = qemu_chr_fe_read_all(&tpm_emu->ctrl_chr, tsb->buffer, totlength);
+ if (n != totlength) {
+ error_report("tpm-emulator: Could not read stateblob (type %d); "
+ "expected %u bytes, got %zd",
+ type, totlength, n);
+ return -1;
+ }
+ }
+ tsb->size = totlength;
+
+ trace_tpm_emulator_get_state_blob(type, tsb->size, *flags);
+
+ return 0;
+}
+
+static int tpm_emulator_get_state_blobs(TPMEmulator *tpm_emu)
+{
+ TPMBlobBuffers *state_blobs = &tpm_emu->state_blobs;
+
+ if (tpm_emulator_get_state_blob(tpm_emu, PTM_BLOB_TYPE_PERMANENT,
+ &state_blobs->permanent,
+ &state_blobs->permanent_flags) < 0 ||
+ tpm_emulator_get_state_blob(tpm_emu, PTM_BLOB_TYPE_VOLATILE,
+ &state_blobs->volatil,
+ &state_blobs->volatil_flags) < 0 ||
+ tpm_emulator_get_state_blob(tpm_emu, PTM_BLOB_TYPE_SAVESTATE,
+ &state_blobs->savestate,
+ &state_blobs->savestate_flags) < 0) {
+ goto err_exit;
+ }
+
+ return 0;
+
+ err_exit:
+ tpm_sized_buffer_reset(&state_blobs->volatil);
+ tpm_sized_buffer_reset(&state_blobs->permanent);
+ tpm_sized_buffer_reset(&state_blobs->savestate);
+
+ return -1;
+}
+
+/*
+ * Transfer a TPM state blob to the TPM emulator.
+ *
+ * @tpm_emu: TPMEmulator
+ * @type: the type of TPM state blob to transfer
+ * @tsb: TPMSizedBuffer containing the TPM state blob
+ * @flags: Flags describing the (encryption) state of the TPM state blob
+ */
+static int tpm_emulator_set_state_blob(TPMEmulator *tpm_emu,
+ uint32_t type,
+ TPMSizedBuffer *tsb,
+ uint32_t flags)
+{
+ ssize_t n;
+ ptm_setstate pss;
+ ptm_res tpm_result;
+
+ if (tsb->size == 0) {
+ return 0;
+ }
+
+ pss = (ptm_setstate) {
+ .u.req.state_flags = cpu_to_be32(flags),
+ .u.req.type = cpu_to_be32(type),
+ .u.req.length = cpu_to_be32(tsb->size),
+ };
+
+ /* write the header only */
+ if (tpm_emulator_ctrlcmd(tpm_emu, CMD_SET_STATEBLOB, &pss,
+ offsetof(ptm_setstate, u.req.data), 0) < 0) {
+ error_report("tpm-emulator: could not set state blob type %d : %s",
+ type, strerror(errno));
+ return -1;
+ }
+
+ /* now the body */
+ n = qemu_chr_fe_write_all(&tpm_emu->ctrl_chr, tsb->buffer, tsb->size);
+ if (n != tsb->size) {
+ error_report("tpm-emulator: Writing the stateblob (type %d) "
+ "failed; could not write %u bytes, but only %zd",
+ type, tsb->size, n);
+ return -1;
+ }
+
+ /* now get the result */
+ n = qemu_chr_fe_read_all(&tpm_emu->ctrl_chr,
+ (uint8_t *)&pss, sizeof(pss.u.resp));
+ if (n != sizeof(pss.u.resp)) {
+ error_report("tpm-emulator: Reading response from writing stateblob "
+ "(type %d) failed; expected %zu bytes, got %zd", type,
+ sizeof(pss.u.resp), n);
+ return -1;
+ }
+
+ tpm_result = be32_to_cpu(pss.u.resp.tpm_result);
+ if (tpm_result != 0) {
+ error_report("tpm-emulator: Setting the stateblob (type %d) failed "
+ "with a TPM error 0x%x %s", type, tpm_result,
+ tpm_emulator_strerror(tpm_result));
+ return -1;
+ }
+
+ trace_tpm_emulator_set_state_blob(type, tsb->size, flags);
+
+ return 0;
+}
+
+/*
+ * Set all the TPM state blobs.
+ *
+ * Returns a negative errno code in case of error.
+ */
+static int tpm_emulator_set_state_blobs(TPMBackend *tb)
+{
+ TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+ TPMBlobBuffers *state_blobs = &tpm_emu->state_blobs;
+
+ trace_tpm_emulator_set_state_blobs();
+
+ if (tpm_emulator_stop_tpm(tb) < 0) {
+ trace_tpm_emulator_set_state_blobs_error("Could not stop TPM");
+ return -EIO;
+ }
+
+ if (tpm_emulator_set_state_blob(tpm_emu, PTM_BLOB_TYPE_PERMANENT,
+ &state_blobs->permanent,
+ state_blobs->permanent_flags) < 0 ||
+ tpm_emulator_set_state_blob(tpm_emu, PTM_BLOB_TYPE_VOLATILE,
+ &state_blobs->volatil,
+ state_blobs->volatil_flags) < 0 ||
+ tpm_emulator_set_state_blob(tpm_emu, PTM_BLOB_TYPE_SAVESTATE,
+ &state_blobs->savestate,
+ state_blobs->savestate_flags) < 0) {
+ return -EIO;
+ }
+
+ trace_tpm_emulator_set_state_blobs_done();
+
+ return 0;
+}
+
+static int tpm_emulator_pre_save(void *opaque)
+{
+ TPMBackend *tb = opaque;
+ TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
+
+ trace_tpm_emulator_pre_save();
+
+ tpm_backend_finish_sync(tb);
+
+ /* get the state blobs from the TPM */
+ return tpm_emulator_get_state_blobs(tpm_emu);
+}
+
+/*
+ * Load the TPM state blobs into the TPM.
+ *
+ * Returns negative errno codes in case of error.
+ */
+static int tpm_emulator_post_load(void *opaque, int version_id)
+{
+ TPMBackend *tb = opaque;
+ int ret;
+
+ ret = tpm_emulator_set_state_blobs(tb);
+ if (ret < 0) {
+ return ret;
+ }
+
+ if (tpm_emulator_startup_tpm_resume(tb, 0, true) < 0) {
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static const VMStateDescription vmstate_tpm_emulator = {
+ .name = "tpm-emulator",
+ .version_id = 0,
+ .pre_save = tpm_emulator_pre_save,
+ .post_load = tpm_emulator_post_load,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(state_blobs.permanent_flags, TPMEmulator),
+ VMSTATE_UINT32(state_blobs.permanent.size, TPMEmulator),
+ VMSTATE_VBUFFER_ALLOC_UINT32(state_blobs.permanent.buffer,
+ TPMEmulator, 0, 0,
+ state_blobs.permanent.size),
+
+ VMSTATE_UINT32(state_blobs.volatil_flags, TPMEmulator),
+ VMSTATE_UINT32(state_blobs.volatil.size, TPMEmulator),
+ VMSTATE_VBUFFER_ALLOC_UINT32(state_blobs.volatil.buffer,
+ TPMEmulator, 0, 0,
+ state_blobs.volatil.size),
+
+ VMSTATE_UINT32(state_blobs.savestate_flags, TPMEmulator),
+ VMSTATE_UINT32(state_blobs.savestate.size, TPMEmulator),
+ VMSTATE_VBUFFER_ALLOC_UINT32(state_blobs.savestate.buffer,
+ TPMEmulator, 0, 0,
+ state_blobs.savestate.size),
+
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static void tpm_emulator_inst_init(Object *obj)
+{
+ TPMEmulator *tpm_emu = TPM_EMULATOR(obj);
+
+ trace_tpm_emulator_inst_init();
+
+ tpm_emu->options = g_new0(TPMEmulatorOptions, 1);
+ tpm_emu->cur_locty_number = ~0;
+ qemu_mutex_init(&tpm_emu->mutex);
+
+ vmstate_register(NULL, VMSTATE_INSTANCE_ID_ANY,
+ &vmstate_tpm_emulator, obj);
+}
+
+/*
+ * Gracefully shut down the external TPM
+ */
+static void tpm_emulator_shutdown(TPMEmulator *tpm_emu)
+{
+ ptm_res res;
+
+ if (tpm_emulator_ctrlcmd(tpm_emu, CMD_SHUTDOWN, &res, 0, sizeof(res)) < 0)
{
+ error_report("tpm-emulator: Could not cleanly shutdown the TPM: %s",
+ strerror(errno));
+ } else if (res != 0) {
+ error_report("tpm-emulator: TPM result for shutdown: 0x%x %s",
+ be32_to_cpu(res),
tpm_emulator_strerror(be32_to_cpu(res)));
+ }
+}
+
+static void tpm_emulator_inst_finalize(Object *obj)
+{
+ TPMEmulator *tpm_emu = TPM_EMULATOR(obj);
+ TPMBlobBuffers *state_blobs = &tpm_emu->state_blobs;
+
+ tpm_emulator_shutdown(tpm_emu);
+
+ object_unref(OBJECT(tpm_emu->data_ioc));
+
+ qemu_chr_fe_deinit(&tpm_emu->ctrl_chr, false);
+
+ qapi_free_TPMEmulatorOptions(tpm_emu->options);
+
+ if (tpm_emu->migration_blocker) {
+ migrate_del_blocker(tpm_emu->migration_blocker);
+ error_free(tpm_emu->migration_blocker);
+ }
+
+ tpm_sized_buffer_reset(&state_blobs->volatil);
+ tpm_sized_buffer_reset(&state_blobs->permanent);
+ tpm_sized_buffer_reset(&state_blobs->savestate);
+
+ qemu_mutex_destroy(&tpm_emu->mutex);
+
+ vmstate_unregister(NULL, &vmstate_tpm_emulator, obj);
+}
+
+static void tpm_emulator_class_init(ObjectClass *klass, void *data)
+{
+ TPMBackendClass *tbc = TPM_BACKEND_CLASS(klass);
+
+ tbc->type = TPM_TYPE_EMULATOR;
+ tbc->opts = tpm_emulator_cmdline_opts;
+ tbc->desc = "TPM emulator backend driver";
+ tbc->create = tpm_emulator_create;
+ tbc->startup_tpm = tpm_emulator_startup_tpm;
+ tbc->cancel_cmd = tpm_emulator_cancel_cmd;
+ tbc->get_tpm_established_flag = tpm_emulator_get_tpm_established_flag;
+ tbc->reset_tpm_established_flag = tpm_emulator_reset_tpm_established_flag;
+ tbc->get_tpm_version = tpm_emulator_get_tpm_version;
+ tbc->get_buffer_size = tpm_emulator_get_buffer_size;
+ tbc->get_tpm_options = tpm_emulator_get_tpm_options;
+
+ tbc->handle_request = tpm_emulator_handle_request;
+}
+
+static const TypeInfo tpm_emulator_info = {
+ .name = TYPE_TPM_EMULATOR,
+ .parent = TYPE_TPM_BACKEND,
+ .instance_size = sizeof(TPMEmulator),
+ .class_init = tpm_emulator_class_init,
+ .instance_init = tpm_emulator_inst_init,
+ .instance_finalize = tpm_emulator_inst_finalize,
+};
+
+static void tpm_emulator_register(void)
+{
+ type_register_static(&tpm_emulator_info);
+}
+
+type_init(tpm_emulator_register)
diff --git a/backends/tpm/tpm_int.h b/backends/tpm/tpm_int.h
new file mode 100644
index 0000000000..ba6109306e
--- /dev/null
+++ b/backends/tpm/tpm_int.h
@@ -0,0 +1,88 @@
+/*
+ * TPM configuration
+ *
+ * Copyright (C) 2011-2013 IBM Corporation
+ *
+ * Authors:
+ * Stefan Berger <stefanb@xxxxxxxxxx>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef BACKENDS_TPM_INT_H
+#define BACKENDS_TPM_INT_H
+
+#include "qemu/option.h"
+#include "sysemu/tpm.h"
+
+#define TPM_STANDARD_CMDLINE_OPTS \
+ { \
+ .name = "type", \
+ .type = QEMU_OPT_STRING, \
+ .help = "Type of TPM backend", \
+ }
+
+struct tpm_req_hdr {
+ uint16_t tag;
+ uint32_t len;
+ uint32_t ordinal;
+} QEMU_PACKED;
+
+struct tpm_resp_hdr {
+ uint16_t tag;
+ uint32_t len;
+ uint32_t errcode;
+} QEMU_PACKED;
+
+#define TPM_TAG_RQU_COMMAND 0xc1
+#define TPM_TAG_RQU_AUTH1_COMMAND 0xc2
+#define TPM_TAG_RQU_AUTH2_COMMAND 0xc3
+
+#define TPM_TAG_RSP_COMMAND 0xc4
+#define TPM_TAG_RSP_AUTH1_COMMAND 0xc5
+#define TPM_TAG_RSP_AUTH2_COMMAND 0xc6
+
+#define TPM_BAD_PARAMETER 3
+#define TPM_FAIL 9
+#define TPM_KEYNOTFOUND 13
+#define TPM_BAD_PARAM_SIZE 25
+#define TPM_ENCRYPT_ERROR 32
+#define TPM_DECRYPT_ERROR 33
+#define TPM_BAD_KEY_PROPERTY 40
+#define TPM_BAD_MODE 44
+#define TPM_BAD_VERSION 46
+#define TPM_BAD_LOCALITY 61
+
+#define TPM_ORD_ContinueSelfTest 0x53
+#define TPM_ORD_GetTicks 0xf1
+#define TPM_ORD_GetCapability 0x65
+
+#define TPM_CAP_PROPERTY 0x05
+
+#define TPM_CAP_PROP_INPUT_BUFFER 0x124
+
+/* TPM2 defines */
+#define TPM2_ST_NO_SESSIONS 0x8001
+
+#define TPM2_CC_ReadClock 0x00000181
+#define TPM2_CC_GetCapability 0x0000017a
+
+#define TPM2_CAP_TPM_PROPERTIES 0x6
+
+#define TPM2_PT_MAX_COMMAND_SIZE 0x11e
+
+#define TPM_RC_INSUFFICIENT 0x9a
+#define TPM_RC_FAILURE 0x101
+#define TPM_RC_LOCALITY 0x907
+
+int tpm_util_get_buffer_size(int tpm_fd, TPMVersion tpm_version,
+ size_t *buffersize);
+
+typedef struct TPMSizedBuffer {
+ uint32_t size;
+ uint8_t *buffer;
+} TPMSizedBuffer;
+
+void tpm_sized_buffer_reset(TPMSizedBuffer *tsb);
+
+#endif /* BACKENDS_TPM_INT_H */
diff --git a/backends/tpm/tpm_ioctl.h b/backends/tpm/tpm_ioctl.h
new file mode 100644
index 0000000000..f5f5c553a9
--- /dev/null
+++ b/backends/tpm/tpm_ioctl.h
@@ -0,0 +1,271 @@
+/*
+ * tpm_ioctl.h
+ *
+ * (c) Copyright IBM Corporation 2014, 2015.
+ *
+ * This file is licensed under the terms of the 3-clause BSD license
+ */
+
+#ifndef TPM_IOCTL_H
+#define TPM_IOCTL_H
+
+#include <sys/uio.h>
+#include <sys/ioctl.h>
+
+/*
+ * Every response from a command involving a TPM command execution must hold
+ * the ptm_res as the first element.
+ * ptm_res corresponds to the error code of a command executed by the TPM.
+ */
+
+typedef uint32_t ptm_res;
+
+/* PTM_GET_TPMESTABLISHED: get the establishment bit */
+struct ptm_est {
+ union {
+ struct {
+ ptm_res tpm_result;
+ unsigned char bit; /* TPM established bit */
+ } resp; /* response */
+ } u;
+};
+
+/* PTM_RESET_TPMESTABLISHED: reset establishment bit */
+struct ptm_reset_est {
+ union {
+ struct {
+ uint8_t loc; /* locality to use */
+ } req; /* request */
+ struct {
+ ptm_res tpm_result;
+ } resp; /* response */
+ } u;
+};
+
+/* PTM_INIT */
+struct ptm_init {
+ union {
+ struct {
+ uint32_t init_flags; /* see definitions below */
+ } req; /* request */
+ struct {
+ ptm_res tpm_result;
+ } resp; /* response */
+ } u;
+};
+
+/* above init_flags */
+#define PTM_INIT_FLAG_DELETE_VOLATILE (1 << 0)
+ /* delete volatile state file after reading it */
+
+/* PTM_SET_LOCALITY */
+struct ptm_loc {
+ union {
+ struct {
+ uint8_t loc; /* locality to set */
+ } req; /* request */
+ struct {
+ ptm_res tpm_result;
+ } resp; /* response */
+ } u;
+};
+
+/* PTM_HASH_DATA: hash given data */
+struct ptm_hdata {
+ union {
+ struct {
+ uint32_t length;
+ uint8_t data[4096];
+ } req; /* request */
+ struct {
+ ptm_res tpm_result;
+ } resp; /* response */
+ } u;
+};
+
+/*
+ * size of the TPM state blob to transfer; x86_64 can handle 8k,
+ * ppc64le only ~7k; keep the response below a 4k page size
+ */
+#define PTM_STATE_BLOB_SIZE (3 * 1024)
+
+/*
+ * The following is the data structure to get state blobs from the TPM.
+ * If the size of the state blob exceeds the PTM_STATE_BLOB_SIZE, multiple
reads
+ * with this ioctl and with adjusted offset are necessary. All bytes
+ * must be transferred and the transfer is done once the last byte has been
+ * returned.
+ * It is possible to use the read() interface for reading the data; however,
the
+ * first bytes of the state blob will be part of the response to the ioctl(); a
+ * subsequent read() is only necessary if the total length (totlength) exceeds
+ * the number of received bytes. seek() is not supported.
+ */
+struct ptm_getstate {
+ union {
+ struct {
+ uint32_t state_flags; /* may be: PTM_STATE_FLAG_DECRYPTED */
+ uint32_t type; /* which blob to pull */
+ uint32_t offset; /* offset from where to read */
+ } req; /* request */
+ struct {
+ ptm_res tpm_result;
+ uint32_t state_flags; /* may be: PTM_STATE_FLAG_ENCRYPTED */
+ uint32_t totlength; /* total length that will be transferred */
+ uint32_t length; /* number of bytes in following buffer */
+ uint8_t data[PTM_STATE_BLOB_SIZE];
+ } resp; /* response */
+ } u;
+};
+
+/* TPM state blob types */
+#define PTM_BLOB_TYPE_PERMANENT 1
+#define PTM_BLOB_TYPE_VOLATILE 2
+#define PTM_BLOB_TYPE_SAVESTATE 3
+
+/* state_flags above : */
+#define PTM_STATE_FLAG_DECRYPTED 1 /* on input: get decrypted state */
+#define PTM_STATE_FLAG_ENCRYPTED 2 /* on output: state is encrypted */
+
+/*
+ * The following is the data structure to set state blobs in the TPM.
+ * If the size of the state blob exceeds the PTM_STATE_BLOB_SIZE, multiple
+ * 'writes' using this ioctl are necessary. The last packet is indicated
+ * by the length being smaller than the PTM_STATE_BLOB_SIZE.
+ * The very first packet may have a length indicator of '0' enabling
+ * a write() with all the bytes from a buffer. If the write() interface
+ * is used, a final ioctl with a non-full buffer must be made to indicate
+ * that all data were transferred (a write with 0 bytes would not work).
+ */
+struct ptm_setstate {
+ union {
+ struct {
+ uint32_t state_flags; /* may be PTM_STATE_FLAG_ENCRYPTED */
+ uint32_t type; /* which blob to set */
+ uint32_t length; /* length of the data;
+ use 0 on the first packet to
+ transfer using write() */
+ uint8_t data[PTM_STATE_BLOB_SIZE];
+ } req; /* request */
+ struct {
+ ptm_res tpm_result;
+ } resp; /* response */
+ } u;
+};
+
+/*
+ * PTM_GET_CONFIG: Data structure to get runtime configuration information
+ * such as which keys are applied.
+ */
+struct ptm_getconfig {
+ union {
+ struct {
+ ptm_res tpm_result;
+ uint32_t flags;
+ } resp; /* response */
+ } u;
+};
+
+#define PTM_CONFIG_FLAG_FILE_KEY 0x1
+#define PTM_CONFIG_FLAG_MIGRATION_KEY 0x2
+
+/*
+ * PTM_SET_BUFFERSIZE: Set the buffer size to be used by the TPM.
+ * A 0 on input queries for the current buffer size. Any other
+ * number will try to set the buffer size. The returned number is
+ * the buffer size that will be used, which can be larger than the
+ * requested one, if it was below the minimum, or smaller than the
+ * requested one, if it was above the maximum.
+ */
+struct ptm_setbuffersize {
+ union {
+ struct {
+ uint32_t buffersize; /* 0 to query for current buffer size */
+ } req; /* request */
+ struct {
+ ptm_res tpm_result;
+ uint32_t buffersize; /* buffer size in use */
+ uint32_t minsize; /* min. supported buffer size */
+ uint32_t maxsize; /* max. supported buffer size */
+ } resp; /* response */
+ } u;
+};
+
+
+typedef uint64_t ptm_cap;
+typedef struct ptm_est ptm_est;
+typedef struct ptm_reset_est ptm_reset_est;
+typedef struct ptm_loc ptm_loc;
+typedef struct ptm_hdata ptm_hdata;
+typedef struct ptm_init ptm_init;
+typedef struct ptm_getstate ptm_getstate;
+typedef struct ptm_setstate ptm_setstate;
+typedef struct ptm_getconfig ptm_getconfig;
+typedef struct ptm_setbuffersize ptm_setbuffersize;
+
+/* capability flags returned by PTM_GET_CAPABILITY */
+#define PTM_CAP_INIT (1)
+#define PTM_CAP_SHUTDOWN (1 << 1)
+#define PTM_CAP_GET_TPMESTABLISHED (1 << 2)
+#define PTM_CAP_SET_LOCALITY (1 << 3)
+#define PTM_CAP_HASHING (1 << 4)
+#define PTM_CAP_CANCEL_TPM_CMD (1 << 5)
+#define PTM_CAP_STORE_VOLATILE (1 << 6)
+#define PTM_CAP_RESET_TPMESTABLISHED (1 << 7)
+#define PTM_CAP_GET_STATEBLOB (1 << 8)
+#define PTM_CAP_SET_STATEBLOB (1 << 9)
+#define PTM_CAP_STOP (1 << 10)
+#define PTM_CAP_GET_CONFIG (1 << 11)
+#define PTM_CAP_SET_DATAFD (1 << 12)
+#define PTM_CAP_SET_BUFFERSIZE (1 << 13)
+
+enum {
+ PTM_GET_CAPABILITY = _IOR('P', 0, ptm_cap),
+ PTM_INIT = _IOWR('P', 1, ptm_init),
+ PTM_SHUTDOWN = _IOR('P', 2, ptm_res),
+ PTM_GET_TPMESTABLISHED = _IOR('P', 3, ptm_est),
+ PTM_SET_LOCALITY = _IOWR('P', 4, ptm_loc),
+ PTM_HASH_START = _IOR('P', 5, ptm_res),
+ PTM_HASH_DATA = _IOWR('P', 6, ptm_hdata),
+ PTM_HASH_END = _IOR('P', 7, ptm_res),
+ PTM_CANCEL_TPM_CMD = _IOR('P', 8, ptm_res),
+ PTM_STORE_VOLATILE = _IOR('P', 9, ptm_res),
+ PTM_RESET_TPMESTABLISHED = _IOWR('P', 10, ptm_reset_est),
+ PTM_GET_STATEBLOB = _IOWR('P', 11, ptm_getstate),
+ PTM_SET_STATEBLOB = _IOWR('P', 12, ptm_setstate),
+ PTM_STOP = _IOR('P', 13, ptm_res),
+ PTM_GET_CONFIG = _IOR('P', 14, ptm_getconfig),
+ PTM_SET_DATAFD = _IOR('P', 15, ptm_res),
+ PTM_SET_BUFFERSIZE = _IOWR('P', 16, ptm_setbuffersize),
+};
+
+/*
+ * Commands used by the non-CUSE TPMs
+ *
+ * All messages container big-endian data.
+ *
+ * The return messages only contain the 'resp' part of the unions
+ * in the data structures above. Besides that the limits in the
+ * buffers above (ptm_hdata:u.req.data and ptm_get_state:u.resp.data
+ * and ptm_set_state:u.req.data) are 0xffffffff.
+ */
+enum {
+ CMD_GET_CAPABILITY = 1,
+ CMD_INIT,
+ CMD_SHUTDOWN,
+ CMD_GET_TPMESTABLISHED,
+ CMD_SET_LOCALITY,
+ CMD_HASH_START,
+ CMD_HASH_DATA,
+ CMD_HASH_END,
+ CMD_CANCEL_TPM_CMD,
+ CMD_STORE_VOLATILE,
+ CMD_RESET_TPMESTABLISHED,
+ CMD_GET_STATEBLOB,
+ CMD_SET_STATEBLOB,
+ CMD_STOP,
+ CMD_GET_CONFIG,
+ CMD_SET_DATAFD,
+ CMD_SET_BUFFERSIZE,
+};
+
+#endif /* TPM_IOCTL_H */
diff --git a/backends/tpm/tpm_passthrough.c b/backends/tpm/tpm_passthrough.c
new file mode 100644
index 0000000000..7403807ec4
--- /dev/null
+++ b/backends/tpm/tpm_passthrough.c
@@ -0,0 +1,405 @@
+/*
+ * passthrough TPM driver
+ *
+ * Copyright (c) 2010 - 2013 IBM Corporation
+ * Authors:
+ * Stefan Berger <stefanb@xxxxxxxxxx>
+ *
+ * Copyright (C) 2011 IAIK, Graz University of Technology
+ * Author: Andreas Niederl
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qemu/error-report.h"
+#include "qemu/module.h"
+#include "qemu/sockets.h"
+#include "sysemu/tpm_backend.h"
+#include "sysemu/tpm_util.h"
+#include "tpm_int.h"
+#include "qapi/clone-visitor.h"
+#include "qapi/qapi-visit-tpm.h"
+#include "trace.h"
+
+#define TYPE_TPM_PASSTHROUGH "tpm-passthrough"
+#define TPM_PASSTHROUGH(obj) \
+ OBJECT_CHECK(TPMPassthruState, (obj), TYPE_TPM_PASSTHROUGH)
+
+/* data structures */
+struct TPMPassthruState {
+ TPMBackend parent;
+
+ TPMPassthroughOptions *options;
+ const char *tpm_dev;
+ int tpm_fd;
+ bool tpm_executing;
+ bool tpm_op_canceled;
+ int cancel_fd;
+
+ TPMVersion tpm_version;
+ size_t tpm_buffersize;
+};
+
+typedef struct TPMPassthruState TPMPassthruState;
+
+#define TPM_PASSTHROUGH_DEFAULT_DEVICE "/dev/tpm0"
+
+/* functions */
+
+static void tpm_passthrough_cancel_cmd(TPMBackend *tb);
+
+static int tpm_passthrough_unix_read(int fd, uint8_t *buf, uint32_t len)
+{
+ int ret;
+ reread:
+ ret = read(fd, buf, len);
+ if (ret < 0) {
+ if (errno != EINTR && errno != EAGAIN) {
+ return -1;
+ }
+ goto reread;
+ }
+ return ret;
+}
+
+static void tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt,
+ const uint8_t *in, uint32_t in_len,
+ uint8_t *out, uint32_t out_len,
+ bool *selftest_done, Error **errp)
+{
+ ssize_t ret;
+ bool is_selftest;
+
+ /* FIXME: protect shared variables or use other sync mechanism */
+ tpm_pt->tpm_op_canceled = false;
+ tpm_pt->tpm_executing = true;
+ *selftest_done = false;
+
+ is_selftest = tpm_util_is_selftest(in, in_len);
+
+ ret = qemu_write_full(tpm_pt->tpm_fd, in, in_len);
+ if (ret != in_len) {
+ if (!tpm_pt->tpm_op_canceled || errno != ECANCELED) {
+ error_setg_errno(errp, errno, "tpm_passthrough: error while "
+ "transmitting data to TPM");
+ }
+ goto err_exit;
+ }
+
+ tpm_pt->tpm_executing = false;
+
+ ret = tpm_passthrough_unix_read(tpm_pt->tpm_fd, out, out_len);
+ if (ret < 0) {
+ if (!tpm_pt->tpm_op_canceled || errno != ECANCELED) {
+ error_setg_errno(errp, errno, "tpm_passthrough: error while "
+ "reading data from TPM");
+ }
+ } else if (ret < sizeof(struct tpm_resp_hdr) ||
+ tpm_cmd_get_size(out) != ret) {
+ ret = -1;
+ error_setg_errno(errp, errno, "tpm_passthrough: received invalid "
+ "response packet from TPM");
+ }
+
+ if (is_selftest && (ret >= sizeof(struct tpm_resp_hdr))) {
+ *selftest_done = tpm_cmd_get_errcode(out) == 0;
+ }
+
+err_exit:
+ if (ret < 0) {
+ tpm_util_write_fatal_error_response(out, out_len);
+ }
+
+ tpm_pt->tpm_executing = false;
+}
+
+static void tpm_passthrough_handle_request(TPMBackend *tb, TPMBackendCmd *cmd,
+ Error **errp)
+{
+ TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
+
+ trace_tpm_passthrough_handle_request(cmd);
+
+ tpm_passthrough_unix_tx_bufs(tpm_pt, cmd->in, cmd->in_len,
+ cmd->out, cmd->out_len, &cmd->selftest_done,
+ errp);
+}
+
+static void tpm_passthrough_reset(TPMBackend *tb)
+{
+ trace_tpm_passthrough_reset();
+
+ tpm_passthrough_cancel_cmd(tb);
+}
+
+static bool tpm_passthrough_get_tpm_established_flag(TPMBackend *tb)
+{
+ return false;
+}
+
+static int tpm_passthrough_reset_tpm_established_flag(TPMBackend *tb,
+ uint8_t locty)
+{
+ /* only a TPM 2.0 will support this */
+ return 0;
+}
+
+static void tpm_passthrough_cancel_cmd(TPMBackend *tb)
+{
+ TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
+ int n;
+
+ /*
+ * As of Linux 3.7 the tpm_tis driver does not properly cancel
+ * commands on all TPM manufacturers' TPMs.
+ * Only cancel if we're busy so we don't cancel someone else's
+ * command, e.g., a command executed on the host.
+ */
+ if (tpm_pt->tpm_executing) {
+ if (tpm_pt->cancel_fd >= 0) {
+ tpm_pt->tpm_op_canceled = true;
+ n = write(tpm_pt->cancel_fd, "-", 1);
+ if (n != 1) {
+ error_report("Canceling TPM command failed: %s",
+ strerror(errno));
+ }
+ } else {
+ error_report("Cannot cancel TPM command due to missing "
+ "TPM sysfs cancel entry");
+ }
+ }
+}
+
+static TPMVersion tpm_passthrough_get_tpm_version(TPMBackend *tb)
+{
+ TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
+
+ return tpm_pt->tpm_version;
+}
+
+static size_t tpm_passthrough_get_buffer_size(TPMBackend *tb)
+{
+ TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
+ int ret;
+
+ ret = tpm_util_get_buffer_size(tpm_pt->tpm_fd, tpm_pt->tpm_version,
+ &tpm_pt->tpm_buffersize);
+ if (ret < 0) {
+ tpm_pt->tpm_buffersize = 4096;
+ }
+ return tpm_pt->tpm_buffersize;
+}
+
+/*
+ * Unless path or file descriptor set has been provided by user,
+ * determine the sysfs cancel file following kernel documentation
+ * in Documentation/ABI/stable/sysfs-class-tpm.
+ * From /dev/tpm0 create /sys/class/tpm/tpm0/device/cancel
+ * before 4.0: /sys/class/misc/tpm0/device/cancel
+ */
+static int tpm_passthrough_open_sysfs_cancel(TPMPassthruState *tpm_pt)
+{
+ int fd = -1;
+ char *dev;
+ char path[PATH_MAX];
+
+ if (tpm_pt->options->cancel_path) {
+ fd = qemu_open(tpm_pt->options->cancel_path, O_WRONLY);
+ if (fd < 0) {
+ error_report("tpm_passthrough: Could not open TPM cancel path: %s",
+ strerror(errno));
+ }
+ return fd;
+ }
+
+ dev = strrchr(tpm_pt->tpm_dev, '/');
+ if (!dev) {
+ error_report("tpm_passthrough: Bad TPM device path %s",
+ tpm_pt->tpm_dev);
+ return -1;
+ }
+
+ dev++;
+ if (snprintf(path, sizeof(path), "/sys/class/tpm/%s/device/cancel",
+ dev) < sizeof(path)) {
+ fd = qemu_open(path, O_WRONLY);
+ if (fd < 0) {
+ if (snprintf(path, sizeof(path),
"/sys/class/misc/%s/device/cancel",
+ dev) < sizeof(path)) {
+ fd = qemu_open(path, O_WRONLY);
+ }
+ }
+ }
+
+ if (fd < 0) {
+ error_report("tpm_passthrough: Could not guess TPM cancel path");
+ } else {
+ tpm_pt->options->cancel_path = g_strdup(path);
+ }
+
+ return fd;
+}
+
+static int
+tpm_passthrough_handle_device_opts(TPMPassthruState *tpm_pt, QemuOpts *opts)
+{
+ const char *value;
+
+ value = qemu_opt_get(opts, "cancel-path");
+ if (value) {
+ tpm_pt->options->cancel_path = g_strdup(value);
+ tpm_pt->options->has_cancel_path = true;
+ }
+
+ value = qemu_opt_get(opts, "path");
+ if (value) {
+ tpm_pt->options->has_path = true;
+ tpm_pt->options->path = g_strdup(value);
+ }
+
+ tpm_pt->tpm_dev = value ? value : TPM_PASSTHROUGH_DEFAULT_DEVICE;
+ tpm_pt->tpm_fd = qemu_open(tpm_pt->tpm_dev, O_RDWR);
+ if (tpm_pt->tpm_fd < 0) {
+ error_report("Cannot access TPM device using '%s': %s",
+ tpm_pt->tpm_dev, strerror(errno));
+ return -1;
+ }
+
+ if (tpm_util_test_tpmdev(tpm_pt->tpm_fd, &tpm_pt->tpm_version)) {
+ error_report("'%s' is not a TPM device.",
+ tpm_pt->tpm_dev);
+ return -1;
+ }
+
+ tpm_pt->cancel_fd = tpm_passthrough_open_sysfs_cancel(tpm_pt);
+ if (tpm_pt->cancel_fd < 0) {
+ return -1;
+ }
+
+ return 0;
+}
+
+static TPMBackend *tpm_passthrough_create(QemuOpts *opts)
+{
+ Object *obj = object_new(TYPE_TPM_PASSTHROUGH);
+
+ if (tpm_passthrough_handle_device_opts(TPM_PASSTHROUGH(obj), opts)) {
+ object_unref(obj);
+ return NULL;
+ }
+
+ return TPM_BACKEND(obj);
+}
+
+static int tpm_passthrough_startup_tpm(TPMBackend *tb, size_t buffersize)
+{
+ TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
+
+ if (buffersize && buffersize < tpm_pt->tpm_buffersize) {
+ error_report("Requested buffer size of %zu is smaller than host TPM's "
+ "fixed buffer size of %zu",
+ buffersize, tpm_pt->tpm_buffersize);
+ return -1;
+ }
+
+ return 0;
+}
+
+static TpmTypeOptions *tpm_passthrough_get_tpm_options(TPMBackend *tb)
+{
+ TpmTypeOptions *options = g_new0(TpmTypeOptions, 1);
+
+ options->type = TPM_TYPE_OPTIONS_KIND_PASSTHROUGH;
+ options->u.passthrough.data = QAPI_CLONE(TPMPassthroughOptions,
+ TPM_PASSTHROUGH(tb)->options);
+
+ return options;
+}
+
+static const QemuOptDesc tpm_passthrough_cmdline_opts[] = {
+ TPM_STANDARD_CMDLINE_OPTS,
+ {
+ .name = "cancel-path",
+ .type = QEMU_OPT_STRING,
+ .help = "Sysfs file entry for canceling TPM commands",
+ },
+ {
+ .name = "path",
+ .type = QEMU_OPT_STRING,
+ .help = "Path to TPM device on the host",
+ },
+ { /* end of list */ },
+};
+
+static void tpm_passthrough_inst_init(Object *obj)
+{
+ TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(obj);
+
+ tpm_pt->options = g_new0(TPMPassthroughOptions, 1);
+ tpm_pt->tpm_fd = -1;
+ tpm_pt->cancel_fd = -1;
+}
+
+static void tpm_passthrough_inst_finalize(Object *obj)
+{
+ TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(obj);
+
+ tpm_passthrough_cancel_cmd(TPM_BACKEND(obj));
+
+ if (tpm_pt->tpm_fd >= 0) {
+ qemu_close(tpm_pt->tpm_fd);
+ }
+ if (tpm_pt->cancel_fd >= 0) {
+ qemu_close(tpm_pt->cancel_fd);
+ }
+ qapi_free_TPMPassthroughOptions(tpm_pt->options);
+}
+
+static void tpm_passthrough_class_init(ObjectClass *klass, void *data)
+{
+ TPMBackendClass *tbc = TPM_BACKEND_CLASS(klass);
+
+ tbc->type = TPM_TYPE_PASSTHROUGH;
+ tbc->opts = tpm_passthrough_cmdline_opts;
+ tbc->desc = "Passthrough TPM backend driver";
+ tbc->create = tpm_passthrough_create;
+ tbc->startup_tpm = tpm_passthrough_startup_tpm;
+ tbc->reset = tpm_passthrough_reset;
+ tbc->cancel_cmd = tpm_passthrough_cancel_cmd;
+ tbc->get_tpm_established_flag = tpm_passthrough_get_tpm_established_flag;
+ tbc->reset_tpm_established_flag =
+ tpm_passthrough_reset_tpm_established_flag;
+ tbc->get_tpm_version = tpm_passthrough_get_tpm_version;
+ tbc->get_buffer_size = tpm_passthrough_get_buffer_size;
+ tbc->get_tpm_options = tpm_passthrough_get_tpm_options;
+ tbc->handle_request = tpm_passthrough_handle_request;
+}
+
+static const TypeInfo tpm_passthrough_info = {
+ .name = TYPE_TPM_PASSTHROUGH,
+ .parent = TYPE_TPM_BACKEND,
+ .instance_size = sizeof(TPMPassthruState),
+ .class_init = tpm_passthrough_class_init,
+ .instance_init = tpm_passthrough_inst_init,
+ .instance_finalize = tpm_passthrough_inst_finalize,
+};
+
+static void tpm_passthrough_register(void)
+{
+ type_register_static(&tpm_passthrough_info);
+}
+
+type_init(tpm_passthrough_register)
diff --git a/backends/tpm/tpm_util.c b/backends/tpm/tpm_util.c
new file mode 100644
index 0000000000..cfc7572a61
--- /dev/null
+++ b/backends/tpm/tpm_util.c
@@ -0,0 +1,380 @@
+/*
+ * TPM utility functions
+ *
+ * Copyright (c) 2010 - 2015 IBM Corporation
+ * Authors:
+ * Stefan Berger <stefanb@xxxxxxxxxx>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/error-report.h"
+#include "qapi/error.h"
+#include "qapi/visitor.h"
+#include "tpm_int.h"
+#include "exec/memory.h"
+#include "hw/qdev-properties.h"
+#include "sysemu/tpm_backend.h"
+#include "sysemu/tpm_util.h"
+#include "trace.h"
+
+/* tpm backend property */
+
+static void get_tpm(Object *obj, Visitor *v, const char *name, void *opaque,
+ Error **errp)
+{
+ DeviceState *dev = DEVICE(obj);
+ TPMBackend **be = qdev_get_prop_ptr(dev, opaque);
+ char *p;
+
+ p = g_strdup(*be ? (*be)->id : "");
+ visit_type_str(v, name, &p, errp);
+ g_free(p);
+}
+
+static void set_tpm(Object *obj, Visitor *v, const char *name, void *opaque,
+ Error **errp)
+{
+ DeviceState *dev = DEVICE(obj);
+ Error *local_err = NULL;
+ Property *prop = opaque;
+ TPMBackend *s, **be = qdev_get_prop_ptr(dev, prop);
+ char *str;
+
+ if (dev->realized) {
+ qdev_prop_set_after_realize(dev, name, errp);
+ return;
+ }
+
+ visit_type_str(v, name, &str, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+
+ s = qemu_find_tpm_be(str);
+ if (s == NULL) {
+ error_setg(errp, "Property '%s.%s' can't find value '%s'",
+ object_get_typename(obj), prop->name, str);
+ } else if (tpm_backend_init(s, TPM_IF(obj), errp) == 0) {
+ *be = s; /* weak reference, avoid cyclic ref */
+ }
+ g_free(str);
+}
+
+static void release_tpm(Object *obj, const char *name, void *opaque)
+{
+ DeviceState *dev = DEVICE(obj);
+ Property *prop = opaque;
+ TPMBackend **be = qdev_get_prop_ptr(dev, prop);
+
+ if (*be) {
+ tpm_backend_reset(*be);
+ }
+}
+
+const PropertyInfo qdev_prop_tpm = {
+ .name = "str",
+ .description = "ID of a tpm to use as a backend",
+ .get = get_tpm,
+ .set = set_tpm,
+ .release = release_tpm,
+};
+
+/*
+ * Write an error message in the given output buffer.
+ */
+void tpm_util_write_fatal_error_response(uint8_t *out, uint32_t out_len)
+{
+ if (out_len >= sizeof(struct tpm_resp_hdr)) {
+ tpm_cmd_set_tag(out, TPM_TAG_RSP_COMMAND);
+ tpm_cmd_set_size(out, sizeof(struct tpm_resp_hdr));
+ tpm_cmd_set_error(out, TPM_FAIL);
+ }
+}
+
+bool tpm_util_is_selftest(const uint8_t *in, uint32_t in_len)
+{
+ if (in_len >= sizeof(struct tpm_req_hdr)) {
+ return tpm_cmd_get_ordinal(in) == TPM_ORD_ContinueSelfTest;
+ }
+
+ return false;
+}
+
+/*
+ * Send request to a TPM device. We expect a response within one second.
+ */
+static int tpm_util_request(int fd,
+ const void *request,
+ size_t requestlen,
+ void *response,
+ size_t responselen)
+{
+ fd_set readfds;
+ int n;
+ struct timeval tv = {
+ .tv_sec = 1,
+ .tv_usec = 0,
+ };
+
+ n = write(fd, request, requestlen);
+ if (n < 0) {
+ return -errno;
+ }
+ if (n != requestlen) {
+ return -EFAULT;
+ }
+
+ FD_ZERO(&readfds);
+ FD_SET(fd, &readfds);
+
+ /* wait for a second */
+ n = select(fd + 1, &readfds, NULL, NULL, &tv);
+ if (n != 1) {
+ return -errno;
+ }
+
+ n = read(fd, response, responselen);
+ if (n < sizeof(struct tpm_resp_hdr)) {
+ return -EFAULT;
+ }
+
+ /* check the header */
+ if (tpm_cmd_get_size(response) != n) {
+ return -EMSGSIZE;
+ }
+
+ return 0;
+}
+
+/*
+ * A basic test of a TPM device. We expect a well formatted response header
+ * (error response is fine).
+ */
+static int tpm_util_test(int fd,
+ const void *request,
+ size_t requestlen,
+ uint16_t *return_tag)
+{
+ char buf[1024];
+ ssize_t ret;
+
+ ret = tpm_util_request(fd, request, requestlen,
+ buf, sizeof(buf));
+ if (ret < 0) {
+ return ret;
+ }
+
+ *return_tag = tpm_cmd_get_tag(buf);
+
+ return 0;
+}
+
+/*
+ * Probe for the TPM device in the back
+ * Returns 0 on success with the version of the probed TPM set, 1 on failure.
+ */
+int tpm_util_test_tpmdev(int tpm_fd, TPMVersion *tpm_version)
+{
+ /*
+ * Sending a TPM1.2 command to a TPM2 should return a TPM1.2
+ * header (tag = 0xc4) and error code (TPM_BADTAG = 0x1e)
+ *
+ * Sending a TPM2 command to a TPM 2 will give a TPM 2 tag in the
+ * header.
+ * Sending a TPM2 command to a TPM 1.2 will give a TPM 1.2 tag
+ * in the header and an error code.
+ */
+ const struct tpm_req_hdr test_req = {
+ .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND),
+ .len = cpu_to_be32(sizeof(test_req)),
+ .ordinal = cpu_to_be32(TPM_ORD_GetTicks),
+ };
+
+ const struct tpm_req_hdr test_req_tpm2 = {
+ .tag = cpu_to_be16(TPM2_ST_NO_SESSIONS),
+ .len = cpu_to_be32(sizeof(test_req_tpm2)),
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