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Merge tpm 2020/03/04 v2

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Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2020-03-04-2' into staging

Merge tpm 2020/03/04 v2

# gpg: Signature made Thu 05 Mar 2020 17:21:05 GMT
# gpg:                using RSA key B818B9CADF9089C2D5CEC66B75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* remotes/stefanberger/tags/pull-tpm-2020-03-04-2:
  test: tpm-tis: Add Sysbus TPM-TIS device test
  test: tpm-tis: Get prepared to share tests between ISA and sysbus devices
  test: tpm: pass optional machine options to swtpm test functions
  docs/specs/tpm: Document TPM_TIS sysbus device for ARM
  hw/arm/virt: vTPM support
  tpm: Add the SysBus TPM TIS device
  tpm: Separate TPM_TIS and TPM_TIS_ISA configs
  tpm: Separate tpm_tis common functions from isa code
  tpm: Use TPMState as a common struct
  tpm: rename TPM_TIS into TPM_TIS_ISA

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2020-03-05 19:39:47 +00:00
commit ef9f8fcbec
27 changed files with 1207 additions and 609 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
default-configs/i386-softmmu.mak
View File

@ -20,7 +20,7 @@
#CONFIG_SGA=n
#CONFIG_TEST_DEVICES=n
#CONFIG_TPM_CRB=n
#CONFIG_TPM_TIS=n
#CONFIG_TPM_TIS_ISA=n
#CONFIG_VTD=n
# Boards:

25
docs/specs/tpm.rst
View File

@ -18,9 +18,15 @@ The TIS interface makes a memory mapped IO region in the area
0xfed40000-0xfed44fff available to the guest operating system.
QEMU files related to TPM TIS interface:
- ``hw/tpm/tpm_tis.c``
- ``hw/tpm/tpm_tis_common.c``
- ``hw/tpm/tpm_tis_isa.c``
- ``hw/tpm/tpm_tis_sysbus.c``
- ``hw/tpm/tpm_tis.h``
Both an ISA device and a sysbus device are available. The former is
used with pc/q35 machine while the latter can be instantiated in the
ARM virt machine.
CRB interface
-------------
@ -325,6 +331,23 @@ In case a pSeries machine is emulated, use the following command line:
-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=drive-virtio-disk0,id=virtio-disk0 \
-drive file=test.img,format=raw,if=none,id=drive-virtio-disk0
In case an ARM virt machine is emulated, use the following command line:
.. code-block:: console
qemu-system-aarch64 -machine virt,gic-version=3,accel=kvm \
-cpu host -m 4G \
-nographic -no-acpi \
-chardev socket,id=chrtpm,path=/tmp/mytpm1/swtpm-sock \
-tpmdev emulator,id=tpm0,chardev=chrtpm \
-device tpm-tis-device,tpmdev=tpm0 \
-device virtio-blk-pci,drive=drv0 \
-drive format=qcow2,file=hda.qcow2,if=none,id=drv0 \
-drive if=pflash,format=raw,file=flash0.img,readonly \
-drive if=pflash,format=raw,file=flash1.img
On ARM, ACPI boot with TPM is not yet supported.
In case SeaBIOS is used as firmware, it should show the TPM menu item
after entering the menu with 'ESC'.

1
hw/arm/Kconfig
View File

@ -5,6 +5,7 @@ config ARM_VIRT
imply VFIO_AMD_XGBE
imply VFIO_PLATFORM
imply VFIO_XGMAC
imply TPM_TIS_SYSBUS
select A15MPCORE
select ACPI
select ARM_SMMUV3

33
hw/arm/sysbus-fdt.c
View File

@ -30,6 +30,7 @@
#include "hw/arm/sysbus-fdt.h"
#include "qemu/error-report.h"
#include "sysemu/device_tree.h"
#include "sysemu/tpm.h"
#include "hw/platform-bus.h"
#include "hw/vfio/vfio-platform.h"
#include "hw/vfio/vfio-calxeda-xgmac.h"
@ -436,6 +437,37 @@ static bool vfio_platform_match(SysBusDevice *sbdev,
#endif /* CONFIG_LINUX */
/*
* add_tpm_tis_fdt_node: Create a DT node for TPM TIS
*
* See kernel documentation:
* Documentation/devicetree/bindings/security/tpm/tpm_tis_mmio.txt
* Optional interrupt for command completion is not exposed
*/
static int add_tpm_tis_fdt_node(SysBusDevice *sbdev, void *opaque)
{
PlatformBusFDTData *data = opaque;
PlatformBusDevice *pbus = data->pbus;
void *fdt = data->fdt;
const char *parent_node = data->pbus_node_name;
char *nodename;
uint32_t reg_attr[2];
uint64_t mmio_base;
mmio_base = platform_bus_get_mmio_addr(pbus, sbdev, 0);
nodename = g_strdup_printf("%s/tpm_tis@%" PRIx64, parent_node, mmio_base);
qemu_fdt_add_subnode(fdt, nodename);
qemu_fdt_setprop_string(fdt, nodename, "compatible", "tcg,tpm-tis-mmio");
reg_attr[0] = cpu_to_be32(mmio_base);
reg_attr[1] = cpu_to_be32(0x5000);
qemu_fdt_setprop(fdt, nodename, "reg", reg_attr, 2 * sizeof(uint32_t));
g_free(nodename);
return 0;
}
static int no_fdt_node(SysBusDevice *sbdev, void *opaque)
{
return 0;
@ -456,6 +488,7 @@ static const BindingEntry bindings[] = {
TYPE_BINDING(TYPE_VFIO_AMD_XGBE, add_amd_xgbe_fdt_node),
VFIO_PLATFORM_BINDING("amd,xgbe-seattle-v1a", add_amd_xgbe_fdt_node),
#endif
TYPE_BINDING(TYPE_TPM_TIS_SYSBUS, add_tpm_tis_fdt_node),
TYPE_BINDING(TYPE_RAMFB_DEVICE, no_fdt_node),
TYPE_BINDING("", NULL), /* last element */
};

7
hw/arm/virt.c
View File

@ -48,6 +48,7 @@
#include "sysemu/numa.h"
#include "sysemu/runstate.h"
#include "sysemu/sysemu.h"
#include "sysemu/tpm.h"
#include "sysemu/kvm.h"
#include "hw/loader.h"
#include "exec/address-spaces.h"
@ -2083,6 +2084,7 @@ static void virt_machine_class_init(ObjectClass *oc, void *data)
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_AMD_XGBE);
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE);
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_PLATFORM);
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_TPM_TIS_SYSBUS);
mc->block_default_type = IF_VIRTIO;
mc->no_cdrom = 1;
mc->pci_allow_0_address = true;
@ -2196,6 +2198,11 @@ type_init(machvirt_machine_init);
static void virt_machine_5_0_options(MachineClass *mc)
{
static GlobalProperty compat[] = {
{ TYPE_TPM_TIS_SYSBUS, "ppi", "false" },
};
compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
}
DEFINE_VIRT_MACHINE_AS_LATEST(5, 0)

2
hw/i386/Kconfig
View File

@ -20,7 +20,7 @@ config PC
imply SGA
imply TEST_DEVICES
imply TPM_CRB
imply TPM_TIS
imply TPM_TIS_ISA
imply VGA_PCI
imply VIRTIO_VGA
select FDC

6
hw/i386/acpi-build.c
View File

@ -2026,7 +2026,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
}
}
if (TPM_IS_TIS(tpm_find())) {
if (TPM_IS_TIS_ISA(tpm_find())) {
aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE,
TPM_TIS_ADDR_SIZE, AML_READ_WRITE));
}
@ -2197,7 +2197,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
/* Scan all PCI buses. Generate tables to support hotplug. */
build_append_pci_bus_devices(scope, bus, pm->pcihp_bridge_en);
if (TPM_IS_TIS(tpm)) {
if (TPM_IS_TIS_ISA(tpm)) {
if (misc->tpm_version == TPM_VERSION_2_0) {
dev = aml_device("TPM");
aml_append(dev, aml_name_decl("_HID",
@ -2304,7 +2304,7 @@ build_tpm2(GArray *table_data, BIOSLinker *linker, GArray *tcpalog)
(char *)&tpm2_ptr->log_area_start_address - table_data->data;
tpm2_ptr->platform_class = cpu_to_le16(TPM2_ACPI_CLASS_CLIENT);
if (TPM_IS_TIS(tpm_find())) {
if (TPM_IS_TIS_ISA(tpm_find())) {
tpm2_ptr->control_area_address = cpu_to_le64(0);
tpm2_ptr->start_method = cpu_to_le32(TPM2_START_METHOD_MMIO);
} else if (TPM_IS_CRB(tpm_find())) {

12
hw/tpm/Kconfig
View File

@ -2,9 +2,19 @@ config TPMDEV
bool
depends on TPM
config TPM_TIS
config TPM_TIS_ISA
bool
depends on TPM && ISA_BUS
select TPM_TIS
config TPM_TIS_SYSBUS
bool
depends on TPM
select TPM_TIS
config TPM_TIS
bool
depends on TPM
select TPMDEV
config TPM_CRB

4
hw/tpm/Makefile.objs
View File

@ -1,6 +1,8 @@
common-obj-$(CONFIG_TPM) += tpm_util.o
obj-$(call lor,$(CONFIG_TPM_TIS),$(CONFIG_TPM_CRB)) += tpm_ppi.o
common-obj-$(CONFIG_TPM_TIS) += tpm_tis.o
common-obj-$(CONFIG_TPM_TIS_ISA) += tpm_tis_isa.o
common-obj-$(CONFIG_TPM_TIS_SYSBUS) += tpm_tis_sysbus.o
common-obj-$(CONFIG_TPM_TIS) += tpm_tis_common.o
common-obj-$(CONFIG_TPM_CRB) += tpm_crb.o
common-obj-$(CONFIG_TPM_PASSTHROUGH) += tpm_passthrough.o
common-obj-$(CONFIG_TPM_EMULATOR) += tpm_emulator.o

91
hw/tpm/tpm_tis.h Normal file
View File

@ -0,0 +1,91 @@
/*
* tpm_tis.h - QEMU's TPM TIS common header
*
* Copyright (C) 2006,2010-2013 IBM Corporation
*
* Authors:
* Stefan Berger <stefanb@us.ibm.com>
* David Safford <safford@us.ibm.com>
*
* Xen 4 support: Andrease Niederl <andreas.niederl@iaik.tugraz.at>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
* Implementation of the TIS interface according to specs found at
* http://www.trustedcomputinggroup.org. This implementation currently
* supports version 1.3, 21 March 2013
* In the developers menu choose the PC Client section then find the TIS
* specification.
*
* TPM TIS for TPM 2 implementation following TCG PC Client Platform
* TPM Profile (PTP) Specification, Familiy 2.0, Revision 00.43
*/
#ifndef TPM_TPM_TIS_H
#define TPM_TPM_TIS_H
#include "qemu/osdep.h"
#include "sysemu/tpm_backend.h"
#include "tpm_ppi.h"
#define TPM_TIS_NUM_LOCALITIES 5 /* per spec */
#define TPM_TIS_LOCALITY_SHIFT 12
#define TPM_TIS_NO_LOCALITY 0xff
#define TPM_TIS_IS_VALID_LOCTY(x) ((x) < TPM_TIS_NUM_LOCALITIES)
#define TPM_TIS_BUFFER_MAX 4096
typedef enum {
TPM_TIS_STATE_IDLE = 0,
TPM_TIS_STATE_READY,
TPM_TIS_STATE_COMPLETION,
TPM_TIS_STATE_EXECUTION,
TPM_TIS_STATE_RECEPTION,
} TPMTISState;
/* locality data -- all fields are persisted */
typedef struct TPMLocality {
TPMTISState state;
uint8_t access;
uint32_t sts;
uint32_t iface_id;
uint32_t inte;
uint32_t ints;
} TPMLocality;
typedef struct TPMState {
MemoryRegion mmio;
unsigned char buffer[TPM_TIS_BUFFER_MAX];
uint16_t rw_offset;
uint8_t active_locty;
uint8_t aborting_locty;
uint8_t next_locty;
TPMLocality loc[TPM_TIS_NUM_LOCALITIES];
qemu_irq irq;
uint32_t irq_num;
TPMBackendCmd cmd;
TPMBackend *be_driver;
TPMVersion be_tpm_version;
size_t be_buffer_size;
bool ppi_enabled;
TPMPPI ppi;
} TPMState;
extern const VMStateDescription vmstate_locty;
extern const MemoryRegionOps tpm_tis_memory_ops;
int tpm_tis_pre_save(TPMState *s);
void tpm_tis_reset(TPMState *s);
enum TPMVersion tpm_tis_get_tpm_version(TPMState *s);
void tpm_tis_request_completed(TPMState *s, int ret);
#endif /* TPM_TPM_TIS_H */

181
hw/tpm/tpm_tis.c → hw/tpm/tpm_tis_common.c
View File

@ -1,5 +1,6 @@
/*
* tpm_tis.c - QEMU's TPM TIS interface emulator
* tpm_tis_common.c - QEMU's TPM TIS interface emulator
* device agnostic functions
*
* Copyright (C) 2006,2010-2013 IBM Corporation
*
@ -21,7 +22,6 @@
* TPM TIS for TPM 2 implementation following TCG PC Client Platform
* TPM Profile (PTP) Specification, Familiy 2.0, Revision 00.43
*/
#include "qemu/osdep.h"
#include "hw/irq.h"
#include "hw/isa/isa.h"
@ -38,60 +38,7 @@
#include "tpm_ppi.h"
#include "trace.h"
#define TPM_TIS_NUM_LOCALITIES 5 /* per spec */
#define TPM_TIS_LOCALITY_SHIFT 12
#define TPM_TIS_NO_LOCALITY 0xff
#define TPM_TIS_IS_VALID_LOCTY(x) ((x) < TPM_TIS_NUM_LOCALITIES)
#define TPM_TIS_BUFFER_MAX 4096
typedef enum {
TPM_TIS_STATE_IDLE = 0,
TPM_TIS_STATE_READY,
TPM_TIS_STATE_COMPLETION,
TPM_TIS_STATE_EXECUTION,
TPM_TIS_STATE_RECEPTION,
} TPMTISState;
/* locality data -- all fields are persisted */
typedef struct TPMLocality {
TPMTISState state;
uint8_t access;
uint32_t sts;
uint32_t iface_id;
uint32_t inte;
uint32_t ints;
} TPMLocality;
typedef struct TPMState {
ISADevice busdev;
MemoryRegion mmio;
unsigned char buffer[TPM_TIS_BUFFER_MAX];
uint16_t rw_offset;
uint8_t active_locty;
uint8_t aborting_locty;
uint8_t next_locty;
TPMLocality loc[TPM_TIS_NUM_LOCALITIES];
qemu_irq irq;
uint32_t irq_num;
TPMBackendCmd cmd;
TPMBackend *be_driver;
TPMVersion be_tpm_version;
size_t be_buffer_size;
bool ppi_enabled;
TPMPPI ppi;
} TPMState;
#define TPM(obj) OBJECT_CHECK(TPMState, (obj), TYPE_TPM_TIS)
#include "tpm_tis.h"
#define DEBUG_TIS 0
@ -281,9 +228,8 @@ static void tpm_tis_prep_abort(TPMState *s, uint8_t locty, uint8_t newlocty)
/*
* Callback from the TPM to indicate that the response was received.
*/
static void tpm_tis_request_completed(TPMIf *ti, int ret)
void tpm_tis_request_completed(TPMState *s, int ret)
{
TPMState *s = TPM(ti);
uint8_t locty = s->cmd.locty;
uint8_t l;
@ -338,7 +284,7 @@ static uint32_t tpm_tis_data_read(TPMState *s, uint8_t locty)
}
#ifdef DEBUG_TIS
static void tpm_tis_dump_state(void *opaque, hwaddr addr)
static void tpm_tis_dump_state(TPMState *s, hwaddr addr)
{
static const unsigned regs[] = {
TPM_TIS_REG_ACCESS,
@ -353,7 +299,6 @@ static void tpm_tis_dump_state(void *opaque, hwaddr addr)
int idx;
uint8_t locty = tpm_tis_locality_from_addr(addr);
hwaddr base = addr & ~0xfff;
TPMState *s = opaque;
printf("tpm_tis: active locality : %d\n"
"tpm_tis: state of locality %d : %d\n"
@ -363,7 +308,7 @@ static void tpm_tis_dump_state(void *opaque, hwaddr addr)
for (idx = 0; regs[idx] != 0xfff; idx++) {
printf("tpm_tis: 0x%04x : 0x%08x\n", regs[idx],
(int)tpm_tis_mmio_read(opaque, base + regs[idx], 4));
(int)tpm_tis_mmio_read(s, base + regs[idx], 4));
}
printf("tpm_tis: r/w offset : %d\n"
@ -488,7 +433,7 @@ static uint64_t tpm_tis_mmio_read(void *opaque, hwaddr addr,
break;
#ifdef DEBUG_TIS
case TPM_TIS_REG_DEBUG:
tpm_tis_dump_state(opaque, addr);
tpm_tis_dump_state(s, addr);
break;
#endif
}
@ -822,7 +767,7 @@ static void tpm_tis_mmio_write(void *opaque, hwaddr addr,
}
}
static const MemoryRegionOps tpm_tis_memory_ops = {
const MemoryRegionOps tpm_tis_memory_ops = {
.read = tpm_tis_mmio_read,
.write = tpm_tis_mmio_write,
.endianness = DEVICE_LITTLE_ENDIAN,
@ -835,10 +780,8 @@ static const MemoryRegionOps tpm_tis_memory_ops = {
/*
* Get the TPMVersion of the backend device being used
*/
static enum TPMVersion tpm_tis_get_tpm_version(TPMIf *ti)
enum TPMVersion tpm_tis_get_tpm_version(TPMState *s)
{
TPMState *s = TPM(ti);
if (tpm_backend_had_startup_error(s->be_driver)) {
return TPM_VERSION_UNSPEC;
}
@ -850,9 +793,8 @@ static enum TPMVersion tpm_tis_get_tpm_version(TPMIf *ti)
* This function is called when the machine starts, resets or due to
* S3 resume.
*/
static void tpm_tis_reset(DeviceState *dev)
void tpm_tis_reset(TPMState *s)
{
TPMState *s = TPM(dev);
int c;
s->be_tpm_version = tpm_backend_get_tpm_version(s->be_driver);
@ -896,15 +838,14 @@ static void tpm_tis_reset(DeviceState *dev)
/* persistent state handling */
static int tpm_tis_pre_save(void *opaque)
int tpm_tis_pre_save(TPMState *s)
{
TPMState *s = opaque;
uint8_t locty = s->active_locty;
trace_tpm_tis_pre_save(locty, s->rw_offset);
if (DEBUG_TIS) {
tpm_tis_dump_state(opaque, 0);
tpm_tis_dump_state(s, 0);
}
/*
@ -915,7 +856,7 @@ static int tpm_tis_pre_save(void *opaque)
return 0;
}
static const VMStateDescription vmstate_locty = {
const VMStateDescription vmstate_locty = {
.name = "tpm-tis/locty",
.version_id = 0,
.fields = (VMStateField[]) {
@ -929,99 +870,3 @@ static const VMStateDescription vmstate_locty = {
}
};
static const VMStateDescription vmstate_tpm_tis = {
.name = "tpm-tis",
.version_id = 0,
.pre_save = tpm_tis_pre_save,
.fields = (VMStateField[]) {
VMSTATE_BUFFER(buffer, TPMState),
VMSTATE_UINT16(rw_offset, TPMState),
VMSTATE_UINT8(active_locty, TPMState),
VMSTATE_UINT8(aborting_locty, TPMState),
VMSTATE_UINT8(next_locty, TPMState),
VMSTATE_STRUCT_ARRAY(loc, TPMState, TPM_TIS_NUM_LOCALITIES, 0,
vmstate_locty, TPMLocality),
VMSTATE_END_OF_LIST()
}
};
static Property tpm_tis_properties[] = {
DEFINE_PROP_UINT32("irq", TPMState, irq_num, TPM_TIS_IRQ),
DEFINE_PROP_TPMBE("tpmdev", TPMState, be_driver),
DEFINE_PROP_BOOL("ppi", TPMState, ppi_enabled, true),
DEFINE_PROP_END_OF_LIST(),
};
static void tpm_tis_realizefn(DeviceState *dev, Error **errp)
{
TPMState *s = TPM(dev);
if (!tpm_find()) {
error_setg(errp, "at most one TPM device is permitted");
return;
}
if (!s->be_driver) {
error_setg(errp, "'tpmdev' property is required");
return;
}
if (s->irq_num > 15) {
error_setg(errp, "IRQ %d is outside valid range of 0 to 15",
s->irq_num);
return;
}
isa_init_irq(&s->busdev, &s->irq, s->irq_num);
memory_region_add_subregion(isa_address_space(ISA_DEVICE(dev)),
TPM_TIS_ADDR_BASE, &s->mmio);
if (s->ppi_enabled) {
tpm_ppi_init(&s->ppi, isa_address_space(ISA_DEVICE(dev)),
TPM_PPI_ADDR_BASE, OBJECT(s));
}
}
static void tpm_tis_initfn(Object *obj)
{
TPMState *s = TPM(obj);
memory_region_init_io(&s->mmio, OBJECT(s), &tpm_tis_memory_ops,
s, "tpm-tis-mmio",
TPM_TIS_NUM_LOCALITIES << TPM_TIS_LOCALITY_SHIFT);
}
static void tpm_tis_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
TPMIfClass *tc = TPM_IF_CLASS(klass);
dc->realize = tpm_tis_realizefn;
device_class_set_props(dc, tpm_tis_properties);
dc->reset = tpm_tis_reset;
dc->vmsd = &vmstate_tpm_tis;
tc->model = TPM_MODEL_TPM_TIS;
tc->get_version = tpm_tis_get_tpm_version;
tc->request_completed = tpm_tis_request_completed;
}
static const TypeInfo tpm_tis_info = {
.name = TYPE_TPM_TIS,
.parent = TYPE_ISA_DEVICE,
.instance_size = sizeof(TPMState),
.instance_init = tpm_tis_initfn,
.class_init = tpm_tis_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_TPM_IF },
{ }
}
};
static void tpm_tis_register(void)
{
type_register_static(&tpm_tis_info);
}
type_init(tpm_tis_register)

170
hw/tpm/tpm_tis_isa.c Normal file
View File

@ -0,0 +1,170 @@
/*
* tpm_tis_isa.c - QEMU's TPM TIS ISA Device
*
* Copyright (C) 2006,2010-2013 IBM Corporation
*
* Authors:
* Stefan Berger <stefanb@us.ibm.com>
* David Safford <safford@us.ibm.com>
*
* Xen 4 support: Andrease Niederl <andreas.niederl@iaik.tugraz.at>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
* Implementation of the TIS interface according to specs found at
* http://www.trustedcomputinggroup.org. This implementation currently
* supports version 1.3, 21 March 2013
* In the developers menu choose the PC Client section then find the TIS
* specification.
*
* TPM TIS for TPM 2 implementation following TCG PC Client Platform
* TPM Profile (PTP) Specification, Familiy 2.0, Revision 00.43
*/
#include "qemu/osdep.h"
#include "hw/isa/isa.h"
#include "hw/qdev-properties.h"
#include "migration/vmstate.h"
#include "tpm_util.h"
#include "tpm_tis.h"
typedef struct TPMStateISA {
/*< private >*/
ISADevice parent_obj;
/*< public >*/
TPMState state; /* not a QOM object */
} TPMStateISA;
#define TPM_TIS_ISA(obj) OBJECT_CHECK(TPMStateISA, (obj), TYPE_TPM_TIS_ISA)
static int tpm_tis_pre_save_isa(void *opaque)
{
TPMStateISA *isadev = opaque;
return tpm_tis_pre_save(&isadev->state);
}
static const VMStateDescription vmstate_tpm_tis_isa = {
.name = "tpm-tis",
.version_id = 0,
.pre_save = tpm_tis_pre_save_isa,
.fields = (VMStateField[]) {
VMSTATE_BUFFER(state.buffer, TPMStateISA),
VMSTATE_UINT16(state.rw_offset, TPMStateISA),
VMSTATE_UINT8(state.active_locty, TPMStateISA),
VMSTATE_UINT8(state.aborting_locty, TPMStateISA),
VMSTATE_UINT8(state.next_locty, TPMStateISA),
VMSTATE_STRUCT_ARRAY(state.loc, TPMStateISA, TPM_TIS_NUM_LOCALITIES, 0,
vmstate_locty, TPMLocality),
VMSTATE_END_OF_LIST()
}
};
static void tpm_tis_isa_request_completed(TPMIf *ti, int ret)
{
TPMStateISA *isadev = TPM_TIS_ISA(ti);
TPMState *s = &isadev->state;
tpm_tis_request_completed(s, ret);
}
static enum TPMVersion tpm_tis_isa_get_tpm_version(TPMIf *ti)
{
TPMStateISA *isadev = TPM_TIS_ISA(ti);
TPMState *s = &isadev->state;
return tpm_tis_get_tpm_version(s);
}
static void tpm_tis_isa_reset(DeviceState *dev)
{
TPMStateISA *isadev = TPM_TIS_ISA(dev);
TPMState *s = &isadev->state;
return tpm_tis_reset(s);
}
static Property tpm_tis_isa_properties[] = {
DEFINE_PROP_UINT32("irq", TPMStateISA, state.irq_num, TPM_TIS_IRQ),
DEFINE_PROP_TPMBE("tpmdev", TPMStateISA, state.be_driver),
DEFINE_PROP_BOOL("ppi", TPMStateISA, state.ppi_enabled, true),
DEFINE_PROP_END_OF_LIST(),
};
static void tpm_tis_isa_initfn(Object *obj)
{
TPMStateISA *isadev = TPM_TIS_ISA(obj);
TPMState *s = &isadev->state;
memory_region_init_io(&s->mmio, obj, &tpm_tis_memory_ops,
s, "tpm-tis-mmio",
TPM_TIS_NUM_LOCALITIES << TPM_TIS_LOCALITY_SHIFT);
}
static void tpm_tis_isa_realizefn(DeviceState *dev, Error **errp)
{
TPMStateISA *isadev = TPM_TIS_ISA(dev);
TPMState *s = &isadev->state;
if (!tpm_find()) {
error_setg(errp, "at most one TPM device is permitted");
return;
}
if (!s->be_driver) {
error_setg(errp, "'tpmdev' property is required");
return;
}
if (s->irq_num > 15) {
error_setg(errp, "IRQ %d is outside valid range of 0 to 15",
s->irq_num);
return;
}
isa_init_irq(ISA_DEVICE(dev), &s->irq, s->irq_num);
memory_region_add_subregion(isa_address_space(ISA_DEVICE(dev)),
TPM_TIS_ADDR_BASE, &s->mmio);
if (s->ppi_enabled) {
tpm_ppi_init(&s->ppi, isa_address_space(ISA_DEVICE(dev)),
TPM_PPI_ADDR_BASE, OBJECT(dev));
}
}
static void tpm_tis_isa_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
TPMIfClass *tc = TPM_IF_CLASS(klass);
device_class_set_props(dc, tpm_tis_isa_properties);
dc->vmsd = &vmstate_tpm_tis_isa;
tc->model = TPM_MODEL_TPM_TIS;
dc->realize = tpm_tis_isa_realizefn;
dc->reset = tpm_tis_isa_reset;
tc->request_completed = tpm_tis_isa_request_completed;
tc->get_version = tpm_tis_isa_get_tpm_version;
}
static const TypeInfo tpm_tis_isa_info = {
.name = TYPE_TPM_TIS_ISA,
.parent = TYPE_ISA_DEVICE,
.instance_size = sizeof(TPMStateISA),
.instance_init = tpm_tis_isa_initfn,
.class_init = tpm_tis_isa_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_TPM_IF },
{ }
}
};
static void tpm_tis_isa_register(void)
{
type_register_static(&tpm_tis_isa_info);
}
type_init(tpm_tis_isa_register)

159
hw/tpm/tpm_tis_sysbus.c Normal file
View File

@ -0,0 +1,159 @@
/*
* tpm_tis_sysbus.c - QEMU's TPM TIS SYSBUS Device
*
* Copyright (C) 2006,2010-2013 IBM Corporation
*
* Authors:
* Stefan Berger <stefanb@us.ibm.com>
* David Safford <safford@us.ibm.com>
*
* Xen 4 support: Andrease Niederl <andreas.niederl@iaik.tugraz.at>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
* Implementation of the TIS interface according to specs found at
* http://www.trustedcomputinggroup.org. This implementation currently
* supports version 1.3, 21 March 2013
* In the developers menu choose the PC Client section then find the TIS
* specification.
*
* TPM TIS for TPM 2 implementation following TCG PC Client Platform
* TPM Profile (PTP) Specification, Familiy 2.0, Revision 00.43
*/
#include "qemu/osdep.h"
#include "hw/qdev-properties.h"
#include "migration/vmstate.h"
#include "tpm_util.h"
#include "hw/sysbus.h"
#include "tpm_tis.h"
typedef struct TPMStateSysBus {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
TPMState state; /* not a QOM object */
} TPMStateSysBus;
#define TPM_TIS_SYSBUS(obj) OBJECT_CHECK(TPMStateSysBus, (obj), TYPE_TPM_TIS_SYSBUS)
static int tpm_tis_pre_save_sysbus(void *opaque)
{
TPMStateSysBus *sbdev = opaque;
return tpm_tis_pre_save(&sbdev->state);
}
static const VMStateDescription vmstate_tpm_tis_sysbus = {
.name = "tpm-tis",
.version_id = 0,
.pre_save = tpm_tis_pre_save_sysbus,
.fields = (VMStateField[]) {
VMSTATE_BUFFER(state.buffer, TPMStateSysBus),
VMSTATE_UINT16(state.rw_offset, TPMStateSysBus),
VMSTATE_UINT8(state.active_locty, TPMStateSysBus),
VMSTATE_UINT8(state.aborting_locty, TPMStateSysBus),
VMSTATE_UINT8(state.next_locty, TPMStateSysBus),
VMSTATE_STRUCT_ARRAY(state.loc, TPMStateSysBus, TPM_TIS_NUM_LOCALITIES,
0, vmstate_locty, TPMLocality),
VMSTATE_END_OF_LIST()
}
};
static void tpm_tis_sysbus_request_completed(TPMIf *ti, int ret)
{
TPMStateSysBus *sbdev = TPM_TIS_SYSBUS(ti);
TPMState *s = &sbdev->state;
tpm_tis_request_completed(s, ret);
}
static enum TPMVersion tpm_tis_sysbus_get_tpm_version(TPMIf *ti)
{
TPMStateSysBus *sbdev = TPM_TIS_SYSBUS(ti);
TPMState *s = &sbdev->state;
return tpm_tis_get_tpm_version(s);
}
static void tpm_tis_sysbus_reset(DeviceState *dev)
{
TPMStateSysBus *sbdev = TPM_TIS_SYSBUS(dev);
TPMState *s = &sbdev->state;
return tpm_tis_reset(s);
}
static Property tpm_tis_sysbus_properties[] = {
DEFINE_PROP_UINT32("irq", TPMStateSysBus, state.irq_num, TPM_TIS_IRQ),
DEFINE_PROP_TPMBE("tpmdev", TPMStateSysBus, state.be_driver),
DEFINE_PROP_BOOL("ppi", TPMStateSysBus, state.ppi_enabled, true),
DEFINE_PROP_END_OF_LIST(),
};
static void tpm_tis_sysbus_initfn(Object *obj)
{
TPMStateSysBus *sbdev = TPM_TIS_SYSBUS(obj);
TPMState *s = &sbdev->state;
memory_region_init_io(&s->mmio, obj, &tpm_tis_memory_ops,
s, "tpm-tis-mmio",
TPM_TIS_NUM_LOCALITIES << TPM_TIS_LOCALITY_SHIFT);
sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->mmio);
sysbus_init_irq(SYS_BUS_DEVICE(obj), &s->irq);
}
static void tpm_tis_sysbus_realizefn(DeviceState *dev, Error **errp)
{
TPMStateSysBus *sbdev = TPM_TIS_SYSBUS(dev);
TPMState *s = &sbdev->state;
if (!tpm_find()) {
error_setg(errp, "at most one TPM device is permitted");
return;
}
if (!s->be_driver) {
error_setg(errp, "'tpmdev' property is required");
return;
}
}
static void tpm_tis_sysbus_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
TPMIfClass *tc = TPM_IF_CLASS(klass);
device_class_set_props(dc, tpm_tis_sysbus_properties);
dc->vmsd = &vmstate_tpm_tis_sysbus;
tc->model = TPM_MODEL_TPM_TIS;
dc->realize = tpm_tis_sysbus_realizefn;
dc->user_creatable = true;
dc->reset = tpm_tis_sysbus_reset;
tc->request_completed = tpm_tis_sysbus_request_completed;
tc->get_version = tpm_tis_sysbus_get_tpm_version;
}
static const TypeInfo tpm_tis_sysbus_info = {
.name = TYPE_TPM_TIS_SYSBUS,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(TPMStateSysBus),
.instance_init = tpm_tis_sysbus_initfn,
.class_init = tpm_tis_sysbus_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_TPM_IF },
{ }
}
};
static void tpm_tis_sysbus_register(void)
{
type_register_static(&tpm_tis_sysbus_info);
}
type_init(tpm_tis_sysbus_register)

7
include/sysemu/tpm.h
View File

@ -43,12 +43,13 @@ typedef struct TPMIfClass {
enum TPMVersion (*get_version)(TPMIf *obj);
} TPMIfClass;
#define TYPE_TPM_TIS "tpm-tis"
#define TYPE_TPM_TIS_ISA "tpm-tis"
#define TYPE_TPM_TIS_SYSBUS "tpm-tis-device"
#define TYPE_TPM_CRB "tpm-crb"
#define TYPE_TPM_SPAPR "tpm-spapr"
#define TPM_IS_TIS(chr) \
object_dynamic_cast(OBJECT(chr), TYPE_TPM_TIS)
#define TPM_IS_TIS_ISA(chr) \
object_dynamic_cast(OBJECT(chr), TYPE_TPM_TIS_ISA)
#define TPM_IS_CRB(chr) \
object_dynamic_cast(OBJECT(chr), TYPE_TPM_CRB)
#define TPM_IS_SPAPR(chr) \

11
tests/qtest/Makefile.include
View File

@ -54,8 +54,8 @@ check-qtest-i386-y += q35-test
check-qtest-i386-y += vmgenid-test
check-qtest-i386-$(CONFIG_TPM_CRB) += tpm-crb-swtpm-test
check-qtest-i386-$(CONFIG_TPM_CRB) += tpm-crb-test
check-qtest-i386-$(CONFIG_TPM_TIS) += tpm-tis-swtpm-test
check-qtest-i386-$(CONFIG_TPM_TIS) += tpm-tis-test
check-qtest-i386-$(CONFIG_TPM_TIS_ISA) += tpm-tis-swtpm-test
check-qtest-i386-$(CONFIG_TPM_TIS_ISA) += tpm-tis-test
check-qtest-i386-$(CONFIG_SLIRP) += test-netfilter
check-qtest-i386-$(CONFIG_POSIX) += test-filter-mirror
check-qtest-i386-$(CONFIG_RTL8139_PCI) += test-filter-redirector
@ -130,6 +130,8 @@ check-qtest-arm-y += hexloader-test
check-qtest-arm-$(CONFIG_PFLASH_CFI02) += pflash-cfi02-test
check-qtest-aarch64-y += arm-cpu-features
check-qtest-aarch64-$(CONFIG_TPM_TIS_SYSBUS) += tpm-tis-device-test
check-qtest-aarch64-$(CONFIG_TPM_TIS_SYSBUS) += tpm-tis-device-swtpm-test
check-qtest-aarch64-y += numa-test
check-qtest-aarch64-y += boot-serial-test
check-qtest-aarch64-y += migration-test
@ -302,7 +304,10 @@ tests/qtest/tpm-crb-swtpm-test$(EXESUF): tests/qtest/tpm-crb-swtpm-test.o tests/
tests/qtest/tpm-crb-test$(EXESUF): tests/qtest/tpm-crb-test.o tests/qtest/tpm-emu.o $(test-io-obj-y)
tests/qtest/tpm-tis-swtpm-test$(EXESUF): tests/qtest/tpm-tis-swtpm-test.o tests/qtest/tpm-emu.o \
tests/qtest/tpm-util.o tests/qtest/tpm-tests.o $(test-io-obj-y)
tests/qtest/tpm-tis-test$(EXESUF): tests/qtest/tpm-tis-test.o tests/qtest/tpm-emu.o $(test-io-obj-y)
tests/qtest/tpm-tis-device-swtpm-test$(EXESUF): tests/qtest/tpm-tis-device-swtpm-test.o tests/qtest/tpm-emu.o \
tests/qtest/tpm-util.o tests/qtest/tpm-tests.o $(test-io-obj-y)
tests/qtest/tpm-tis-test$(EXESUF): tests/qtest/tpm-tis-test.o tests/qtest/tpm-tis-util.o tests/qtest/tpm-emu.o $(test-io-obj-y)
tests/qtest/tpm-tis-device-test$(EXESUF): tests/qtest/tpm-tis-device-test.o tests/qtest/tpm-tis-util.o tests/qtest/tpm-emu.o $(test-io-obj-y)
# QTest rules

9
tests/qtest/tpm-crb-swtpm-test.c
View File

@ -18,6 +18,10 @@
#include "libqtest.h"
#include "qemu/module.h"
#include "tpm-tests.h"
#include "hw/acpi/tpm.h"
/* Not used but needed for linking */
uint64_t tpm_tis_base_addr = TPM_TIS_ADDR_BASE;
typedef struct TestState {
char *src_tpm_path;
@ -29,7 +33,8 @@ static void tpm_crb_swtpm_test(const void *data)
{
const TestState *ts = data;
tpm_test_swtpm_test(ts->src_tpm_path, tpm_util_crb_transfer, "tpm-crb");
tpm_test_swtpm_test(ts->src_tpm_path, tpm_util_crb_transfer,
"tpm-crb", NULL);
}
static void tpm_crb_swtpm_migration_test(const void *data)
@ -37,7 +42,7 @@ static void tpm_crb_swtpm_migration_test(const void *data)
const TestState *ts = data;
tpm_test_swtpm_migration_test(ts->src_tpm_path, ts->dst_tpm_path, ts->uri,
tpm_util_crb_transfer, "tpm-crb");
tpm_util_crb_transfer, "tpm-crb", NULL);
}
int main(int argc, char **argv)

3
tests/qtest/tpm-crb-test.c
View File

@ -19,6 +19,9 @@
#include "qemu/module.h"
#include "tpm-emu.h"
/* Not used but needed for linking */
uint64_t tpm_tis_base_addr = TPM_TIS_ADDR_BASE;
#define TPM_CMD "\x80\x01\x00\x00\x00\x0c\x00\x00\x01\x44\x00\x00"
static void tpm_crb_test(const void *data)

10
tests/qtest/tpm-tests.c
View File

@ -30,7 +30,7 @@ tpm_test_swtpm_skip(void)
}
void tpm_test_swtpm_test(const char *src_tpm_path, tx_func *tx,
const char *ifmodel)
const char *ifmodel, const char *machine_options)
{
char *args = NULL;
QTestState *s;
@ -47,10 +47,11 @@ void tpm_test_swtpm_test(const char *src_tpm_path, tx_func *tx,
g_assert_true(succ);
args = g_strdup_printf(
"%s "
"-chardev socket,id=chr,path=%s "
"-tpmdev emulator,id=dev,chardev=chr "
"-device %s,tpmdev=dev",
addr->u.q_unix.path, ifmodel);
machine_options ? : "", addr->u.q_unix.path, ifmodel);
s = qtest_start(args);
g_free(args);
@ -78,7 +79,8 @@ void tpm_test_swtpm_test(const char *src_tpm_path, tx_func *tx,
void tpm_test_swtpm_migration_test(const char *src_tpm_path,
const char *dst_tpm_path,
const char *uri, tx_func *tx,
const char *ifmodel)
const char *ifmodel,
const char *machine_options)
{
gboolean succ;
GPid src_tpm_pid, dst_tpm_pid;
@ -100,7 +102,7 @@ void tpm_test_swtpm_migration_test(const char *src_tpm_path,
tpm_util_migration_start_qemu(&src_qemu, &dst_qemu,
src_tpm_addr, dst_tpm_addr, uri,
ifmodel);
ifmodel, machine_options);
tpm_util_startup(src_qemu, tx);
tpm_util_pcrextend(src_qemu, tx);

5
tests/qtest/tpm-tests.h
View File

@ -16,11 +16,12 @@
#include "tpm-util.h"
void tpm_test_swtpm_test(const char *src_tpm_path, tx_func *tx,
const char *ifmodel);
const char *ifmodel, const char *machine_options);
void tpm_test_swtpm_migration_test(const char *src_tpm_path,
const char *dst_tpm_path,
const char *uri, tx_func *tx,
const char *ifmodel);
const char *ifmodel,
const char *machine_options);
#endif /* TESTS_TPM_TESTS_H */

76
tests/qtest/tpm-tis-device-swtpm-test.c Normal file
View File

@ -0,0 +1,76 @@
/*
* QTest testcase for Sysbus TPM TIS talking to external swtpm and swtpm
* migration
*
* Copyright (c) 2018 IBM Corporation
* with parts borrowed from migration-test.c that is:
* Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates
*
* Authors:
* Stefan Berger <stefanb@linux.vnet.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include <glib/gstdio.h>
#include "libqtest.h"
#include "qemu/module.h"
#include "tpm-tests.h"
#include "hw/acpi/tpm.h"
uint64_t tpm_tis_base_addr = 0xc000000;
#define MACHINE_OPTIONS "-machine virt,gic-version=max -accel tcg"
typedef struct TestState {
char *src_tpm_path;
char *dst_tpm_path;
char *uri;
} TestState;
static void tpm_tis_swtpm_test(const void *data)
{
const TestState *ts = data;
tpm_test_swtpm_test(ts->src_tpm_path, tpm_util_tis_transfer,
"tpm-tis-device", MACHINE_OPTIONS);
}
static void tpm_tis_swtpm_migration_test(const void *data)
{
const TestState *ts = data;
tpm_test_swtpm_migration_test(ts->src_tpm_path, ts->dst_tpm_path, ts->uri,
tpm_util_tis_transfer, "tpm-tis-device",
MACHINE_OPTIONS);
}
int main(int argc, char **argv)
{
int ret;
TestState ts = { 0 };
ts.src_tpm_path = g_dir_make_tmp("qemu-tpm-tis-device-swtpm-test.XXXXXX",
NULL);
ts.dst_tpm_path = g_dir_make_tmp("qemu-tpm-tis-device-swtpm-test.XXXXXX",
NULL);
ts.uri = g_strdup_printf("unix:%s/migsocket", ts.src_tpm_path);
module_call_init(MODULE_INIT_QOM);
g_test_init(&argc, &argv, NULL);
qtest_add_data_func("/tpm/tis-swtpm/test", &ts, tpm_tis_swtpm_test);
qtest_add_data_func("/tpm/tis-swtpm-migration/test", &ts,
tpm_tis_swtpm_migration_test);
ret = g_test_run();
g_rmdir(ts.dst_tpm_path);
g_free(ts.dst_tpm_path);
g_rmdir(ts.src_tpm_path);
g_free(ts.src_tpm_path);
g_free(ts.uri);
return ret;
}

87
tests/qtest/tpm-tis-device-test.c Normal file
View File

@ -0,0 +1,87 @@
/*
* QTest testcase for SYSBUS TPM TIS
*
* Copyright (c) 2018 Red Hat, Inc.
* Copyright (c) 2018 IBM Corporation
*
* Authors:
* Marc-André Lureau <marcandre.lureau@redhat.com>
* Stefan Berger <stefanb@linux.vnet.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include <glib/gstdio.h>
#include "io/channel-socket.h"
#include "libqtest-single.h"
#include "qemu/module.h"
#include "tpm-emu.h"
#include "tpm-util.h"
#include "tpm-tis-util.h"
/*
* As the Sysbus tpm-tis-device is instantiated on the ARM virt
* platform bus and it is the only sysbus device dynamically
* instantiated, it gets plugged at its base address
*/
uint64_t tpm_tis_base_addr = 0xc000000;
int main(int argc, char **argv)
{
char *tmp_path = g_dir_make_tmp("qemu-tpm-tis-device-test.XXXXXX", NULL);
GThread *thread;
TestState test;
char *args;
int ret;
module_call_init(MODULE_INIT_QOM);
g_test_init(&argc, &argv, NULL);
test.addr = g_new0(SocketAddress, 1);
test.addr->type = SOCKET_ADDRESS_TYPE_UNIX;
test.addr->u.q_unix.path = g_build_filename(tmp_path, "sock", NULL);
g_mutex_init(&test.data_mutex);
g_cond_init(&test.data_cond);
test.data_cond_signal = false;
thread = g_thread_new(NULL, tpm_emu_ctrl_thread, &test);
tpm_emu_test_wait_cond(&test);
args = g_strdup_printf(
"-machine virt,gic-version=max -accel tcg "
"-chardev socket,id=chr,path=%s "
"-tpmdev emulator,id=dev,chardev=chr "
"-device tpm-tis-device,tpmdev=dev",
test.addr->u.q_unix.path);
qtest_start(args);
qtest_add_data_func("/tpm-tis/test_check_localities", &test,
tpm_tis_test_check_localities);
qtest_add_data_func("/tpm-tis/test_check_access_reg", &test,
tpm_tis_test_check_access_reg);
qtest_add_data_func("/tpm-tis/test_check_access_reg_seize", &test,
tpm_tis_test_check_access_reg_seize);
qtest_add_data_func("/tpm-tis/test_check_access_reg_release", &test,
tpm_tis_test_check_access_reg_release);
qtest_add_data_func("/tpm-tis/test_check_transmit", &test,
tpm_tis_test_check_transmit);
ret = g_test_run();
qtest_end();
g_thread_join(thread);
g_unlink(test.addr->u.q_unix.path);
qapi_free_SocketAddress(test.addr);
g_rmdir(tmp_path);
g_free(tmp_path);
g_free(args);
return ret;
}

8
tests/qtest/tpm-tis-swtpm-test.c
View File

@ -18,6 +18,9 @@
#include "libqtest.h"
#include "qemu/module.h"
#include "tpm-tests.h"
#include "hw/acpi/tpm.h"
uint64_t tpm_tis_base_addr = TPM_TIS_ADDR_BASE;
typedef struct TestState {
char *src_tpm_path;
@ -29,7 +32,8 @@ static void tpm_tis_swtpm_test(const void *data)
{
const TestState *ts = data;
tpm_test_swtpm_test(ts->src_tpm_path, tpm_util_tis_transfer, "tpm-tis");
tpm_test_swtpm_test(ts->src_tpm_path, tpm_util_tis_transfer,
"tpm-tis", NULL);
}
static void tpm_tis_swtpm_migration_test(const void *data)
@ -37,7 +41,7 @@ static void tpm_tis_swtpm_migration_test(const void *data)
const TestState *ts = data;
tpm_test_swtpm_migration_test(ts->src_tpm_path, ts->dst_tpm_path, ts->uri,
tpm_util_tis_transfer, "tpm-tis");
tpm_util_tis_transfer, "tpm-tis", NULL);
}
int main(int argc, char **argv)

414
tests/qtest/tpm-tis-test.c
View File

@ -1,5 +1,5 @@
/*
* QTest testcase for TPM TIS
* QTest testcase for ISA TPM TIS
*
* Copyright (c) 2018 Red Hat, Inc.
* Copyright (c) 2018 IBM Corporation
@ -20,417 +20,9 @@
#include "libqtest-single.h"
#include "qemu/module.h"
#include "tpm-emu.h"
#include "tpm-tis-util.h"
#define TIS_REG(LOCTY, REG) \
(TPM_TIS_ADDR_BASE + ((LOCTY) << 12) + REG)
#define DEBUG_TIS_TEST 0
#define DPRINTF(fmt, ...) do { \
if (DEBUG_TIS_TEST) { \
printf(fmt, ## __VA_ARGS__); \
} \
} while (0)
#define DPRINTF_ACCESS \
DPRINTF("%s: %d: locty=%d l=%d access=0x%02x pending_request_flag=0x%x\n", \
__func__, __LINE__, locty, l, access, pending_request_flag)
#define DPRINTF_STS \
DPRINTF("%s: %d: sts = 0x%08x\n", __func__, __LINE__, sts)
static const uint8_t TPM_CMD[12] =
"\x80\x01\x00\x00\x00\x0c\x00\x00\x01\x44\x00\x00";
static void tpm_tis_test_check_localities(const void *data)
{
uint8_t locty;
uint8_t access;
uint32_t ifaceid;
uint32_t capability;
uint32_t didvid;
uint32_t rid;
for (locty = 0; locty < TPM_TIS_NUM_LOCALITIES; locty++) {
access = readb(TIS_REG(0, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
capability = readl(TIS_REG(locty, TPM_TIS_REG_INTF_CAPABILITY));
g_assert_cmpint(capability, ==, TPM_TIS_CAPABILITIES_SUPPORTED2_0);
ifaceid = readl(TIS_REG(locty, TPM_TIS_REG_INTERFACE_ID));
g_assert_cmpint(ifaceid, ==, TPM_TIS_IFACE_ID_SUPPORTED_FLAGS2_0);
didvid = readl(TIS_REG(locty, TPM_TIS_REG_DID_VID));
g_assert_cmpint(didvid, !=, 0);
g_assert_cmpint(didvid, !=, 0xffffffff);
rid = readl(TIS_REG(locty, TPM_TIS_REG_RID));
g_assert_cmpint(rid, !=, 0);
g_assert_cmpint(rid, !=, 0xffffffff);
}
}
static void tpm_tis_test_check_access_reg(const void *data)
{
uint8_t locty;
uint8_t access;
/* do not test locality 4 (hw only) */
for (locty = 0; locty < TPM_TIS_NUM_LOCALITIES - 1; locty++) {
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* request use of locality */
writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* release access */
writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS),
TPM_TIS_ACCESS_ACTIVE_LOCALITY);
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
}
}
/*
* Test case for seizing access by a higher number locality
*/
static void tpm_tis_test_check_access_reg_seize(const void *data)
{
int locty, l;
uint8_t access;
uint8_t pending_request_flag;
/* do not test locality 4 (hw only) */
for (locty = 0; locty < TPM_TIS_NUM_LOCALITIES - 1; locty++) {
pending_request_flag = 0;
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* request use of locality */
writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* lower localities cannot seize access */
for (l = 0; l < locty; l++) {
/* lower locality is not active */
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* try to request use from 'l' */
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
/* requesting use from 'l' was not possible;
we must see REQUEST_USE and possibly PENDING_REQUEST */
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_REQUEST_USE |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* locality 'locty' must be unchanged;
we must see PENDING_REQUEST */
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_PENDING_REQUEST |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* try to seize from 'l' */
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_SEIZE);
/* seize from 'l' was not possible */
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_REQUEST_USE |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* locality 'locty' must be unchanged */
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_PENDING_REQUEST |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* on the next loop we will have a PENDING_REQUEST flag
set for locality 'l' */
pending_request_flag = TPM_TIS_ACCESS_PENDING_REQUEST;
}
/* higher localities can 'seize' access but not 'request use';
note: this will activate first l+1, then l+2 etc. */
for (l = locty + 1; l < TPM_TIS_NUM_LOCALITIES - 1; l++) {
/* try to 'request use' from 'l' */
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
/* requesting use from 'l' was not possible; we should see
REQUEST_USE and may see PENDING_REQUEST */
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_REQUEST_USE |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* locality 'l-1' must be unchanged; we should always
see PENDING_REQUEST from 'l' requesting access */
access = readb(TIS_REG(l - 1, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_PENDING_REQUEST |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* try to seize from 'l' */
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_SEIZE);
/* seize from 'l' was possible */
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* l - 1 should show that it has BEEN_SEIZED */
access = readb(TIS_REG(l - 1, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_BEEN_SEIZED |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* clear the BEEN_SEIZED flag and make sure it's gone */
writeb(TIS_REG(l - 1, TPM_TIS_REG_ACCESS),
TPM_TIS_ACCESS_BEEN_SEIZED);
access = readb(TIS_REG(l - 1, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
}
/* PENDING_REQUEST will not be set if locty = 0 since all localities
were active; in case of locty = 1, locality 0 will be active
but no PENDING_REQUEST anywhere */
if (locty <= 1) {
pending_request_flag = 0;
}
/* release access from l - 1; this activates locty - 1 */
l--;
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
DPRINTF("%s: %d: relinquishing control on l = %d\n",
__func__, __LINE__, l);
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS),
TPM_TIS_ACCESS_ACTIVE_LOCALITY);
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
for (l = locty - 1; l >= 0; l--) {
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* release this locality */
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS),
TPM_TIS_ACCESS_ACTIVE_LOCALITY);
if (l == 1) {
pending_request_flag = 0;
}
}
/* no locality may be active now */
for (l = 0; l < TPM_TIS_NUM_LOCALITIES - 1; l++) {
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
}
}
}
/*
* Test case for getting access when higher number locality relinquishes access
*/
static void tpm_tis_test_check_access_reg_release(const void *data)
{
int locty, l;
uint8_t access;
uint8_t pending_request_flag;
/* do not test locality 4 (hw only) */
for (locty = TPM_TIS_NUM_LOCALITIES - 2; locty >= 0; locty--) {
pending_request_flag = 0;
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* request use of locality */
writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* request use of all other localities */
for (l = 0; l < TPM_TIS_NUM_LOCALITIES - 1; l++) {
if (l == locty) {
continue;
}
/* request use of locality 'l' -- we MUST see REQUEST USE and
may see PENDING_REQUEST */
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_REQUEST_USE |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
pending_request_flag = TPM_TIS_ACCESS_PENDING_REQUEST;
}
/* release locality 'locty' */
writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS),
TPM_TIS_ACCESS_ACTIVE_LOCALITY);
/* highest locality should now be active; release it and make sure the
next higest locality is active afterwards */
for (l = TPM_TIS_NUM_LOCALITIES - 2; l >= 0; l--) {
if (l == locty) {
continue;
}
/* 'l' should be active now */
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* 'l' relinquishes access */
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS),
TPM_TIS_ACCESS_ACTIVE_LOCALITY);
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
if (l == 1 || (locty <= 1 && l == 2)) {
pending_request_flag = 0;
}
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
}
}
}
/*
* Test case for transmitting packets
*/
static void tpm_tis_test_check_transmit(const void *data)
{
const TestState *s = data;
uint8_t access;
uint32_t sts;
uint16_t bcount;
size_t i;
/* request use of locality 0 */
writeb(TIS_REG(0, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
access = readb(TIS_REG(0, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
DPRINTF_STS;
g_assert_cmpint(sts & 0xff, ==, 0);
g_assert_cmpint(sts & TPM_TIS_STS_TPM_FAMILY_MASK, ==,
TPM_TIS_STS_TPM_FAMILY2_0);
bcount = (sts >> 8) & 0xffff;
g_assert_cmpint(bcount, >=, 128);
writel(TIS_REG(0, TPM_TIS_REG_STS), TPM_TIS_STS_COMMAND_READY);
sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
DPRINTF_STS;
g_assert_cmpint(sts & 0xff, ==, TPM_TIS_STS_COMMAND_READY);
/* transmit command */
for (i = 0; i < sizeof(TPM_CMD); i++) {
writeb(TIS_REG(0, TPM_TIS_REG_DATA_FIFO), TPM_CMD[i]);
sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
DPRINTF_STS;
if (i < sizeof(TPM_CMD) - 1) {
g_assert_cmpint(sts & 0xff, ==,
TPM_TIS_STS_EXPECT | TPM_TIS_STS_VALID);
} else {
g_assert_cmpint(sts & 0xff, ==, TPM_TIS_STS_VALID);
}
g_assert_cmpint((sts >> 8) & 0xffff, ==, --bcount);
}
/* start processing */
writeb(TIS_REG(0, TPM_TIS_REG_STS), TPM_TIS_STS_TPM_GO);
uint64_t end_time = g_get_monotonic_time() + 50 * G_TIME_SPAN_SECOND;
do {
sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
if ((sts & TPM_TIS_STS_DATA_AVAILABLE) != 0) {
break;
}
} while (g_get_monotonic_time() < end_time);
sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
DPRINTF_STS;
g_assert_cmpint(sts & 0xff, == ,
TPM_TIS_STS_VALID | TPM_TIS_STS_DATA_AVAILABLE);
bcount = (sts >> 8) & 0xffff;
/* read response */
uint8_t tpm_msg[sizeof(struct tpm_hdr)];
g_assert_cmpint(sizeof(tpm_msg), ==, bcount);
for (i = 0; i < sizeof(tpm_msg); i++) {
tpm_msg[i] = readb(TIS_REG(0, TPM_TIS_REG_DATA_FIFO));
sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
DPRINTF_STS;
if (sts & TPM_TIS_STS_DATA_AVAILABLE) {
g_assert_cmpint((sts >> 8) & 0xffff, ==, --bcount);
}
}
g_assert_cmpmem(tpm_msg, sizeof(tpm_msg), s->tpm_msg, sizeof(*s->tpm_msg));
/* relinquish use of locality 0 */
writeb(TIS_REG(0, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_ACTIVE_LOCALITY);
access = readb(TIS_REG(0, TPM_TIS_REG_ACCESS));
}
uint64_t tpm_tis_base_addr = TPM_TIS_ADDR_BASE;
int main(int argc, char **argv)
{

451
tests/qtest/tpm-tis-util.c Normal file
View File

@ -0,0 +1,451 @@
/*
* QTest testcase for TPM TIS: common test functions used for both
* the ISA and SYSBUS devices
*
* Copyright (c) 2018 Red Hat, Inc.
* Copyright (c) 2018 IBM Corporation
*
* Authors:
* Marc-André Lureau <marcandre.lureau@redhat.com>
* Stefan Berger <stefanb@linux.vnet.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include <glib/gstdio.h>
#include "hw/acpi/tpm.h"
#include "io/channel-socket.h"
#include "libqtest-single.h"
#include "qemu/module.h"
#include "tpm-emu.h"
#include "tpm-util.h"
#include "tpm-tis-util.h"
#define DEBUG_TIS_TEST 0
#define DPRINTF(fmt, ...) do { \
if (DEBUG_TIS_TEST) { \
printf(fmt, ## __VA_ARGS__); \
} \
} while (0)
#define DPRINTF_ACCESS \
DPRINTF("%s: %d: locty=%d l=%d access=0x%02x pending_request_flag=0x%x\n", \
__func__, __LINE__, locty, l, access, pending_request_flag)
#define DPRINTF_STS \
DPRINTF("%s: %d: sts = 0x%08x\n", __func__, __LINE__, sts)
static const uint8_t TPM_CMD[12] =
"\x80\x01\x00\x00\x00\x0c\x00\x00\x01\x44\x00\x00";
void tpm_tis_test_check_localities(const void *data)
{
uint8_t locty;
uint8_t access;
uint32_t ifaceid;
uint32_t capability;
uint32_t didvid;
uint32_t rid;
for (locty = 0; locty < TPM_TIS_NUM_LOCALITIES; locty++) {
access = readb(TIS_REG(0, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
capability = readl(TIS_REG(locty, TPM_TIS_REG_INTF_CAPABILITY));
g_assert_cmpint(capability, ==, TPM_TIS_CAPABILITIES_SUPPORTED2_0);
ifaceid = readl(TIS_REG(locty, TPM_TIS_REG_INTERFACE_ID));
g_assert_cmpint(ifaceid, ==, TPM_TIS_IFACE_ID_SUPPORTED_FLAGS2_0);
didvid = readl(TIS_REG(locty, TPM_TIS_REG_DID_VID));
g_assert_cmpint(didvid, !=, 0);
g_assert_cmpint(didvid, !=, 0xffffffff);
rid = readl(TIS_REG(locty, TPM_TIS_REG_RID));
g_assert_cmpint(rid, !=, 0);
g_assert_cmpint(rid, !=, 0xffffffff);
}
}
void tpm_tis_test_check_access_reg(const void *data)
{
uint8_t locty;
uint8_t access;
/* do not test locality 4 (hw only) */
for (locty = 0; locty < TPM_TIS_NUM_LOCALITIES - 1; locty++) {
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* request use of locality */
writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* release access */
writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS),
TPM_TIS_ACCESS_ACTIVE_LOCALITY);
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
}
}
/*
* Test case for seizing access by a higher number locality
*/
void tpm_tis_test_check_access_reg_seize(const void *data)
{
int locty, l;
uint8_t access;
uint8_t pending_request_flag;
/* do not test locality 4 (hw only) */
for (locty = 0; locty < TPM_TIS_NUM_LOCALITIES - 1; locty++) {
pending_request_flag = 0;
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* request use of locality */
writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* lower localities cannot seize access */
for (l = 0; l < locty; l++) {
/* lower locality is not active */
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* try to request use from 'l' */
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
/*
* requesting use from 'l' was not possible;
* we must see REQUEST_USE and possibly PENDING_REQUEST
*/
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_REQUEST_USE |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/*
* locality 'locty' must be unchanged;
* we must see PENDING_REQUEST
*/
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_PENDING_REQUEST |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* try to seize from 'l' */
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_SEIZE);
/* seize from 'l' was not possible */
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_REQUEST_USE |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* locality 'locty' must be unchanged */
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_PENDING_REQUEST |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/*
* on the next loop we will have a PENDING_REQUEST flag
* set for locality 'l'
*/
pending_request_flag = TPM_TIS_ACCESS_PENDING_REQUEST;
}
/*
* higher localities can 'seize' access but not 'request use';
* note: this will activate first l+1, then l+2 etc.
*/
for (l = locty + 1; l < TPM_TIS_NUM_LOCALITIES - 1; l++) {
/* try to 'request use' from 'l' */
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
/*
* requesting use from 'l' was not possible; we should see
* REQUEST_USE and may see PENDING_REQUEST
*/
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_REQUEST_USE |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/*
* locality 'l-1' must be unchanged; we should always
* see PENDING_REQUEST from 'l' requesting access
*/
access = readb(TIS_REG(l - 1, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_PENDING_REQUEST |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* try to seize from 'l' */
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_SEIZE);
/* seize from 'l' was possible */
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* l - 1 should show that it has BEEN_SEIZED */
access = readb(TIS_REG(l - 1, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_BEEN_SEIZED |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* clear the BEEN_SEIZED flag and make sure it's gone */
writeb(TIS_REG(l - 1, TPM_TIS_REG_ACCESS),
TPM_TIS_ACCESS_BEEN_SEIZED);
access = readb(TIS_REG(l - 1, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
}
/*
* PENDING_REQUEST will not be set if locty = 0 since all localities
* were active; in case of locty = 1, locality 0 will be active
* but no PENDING_REQUEST anywhere
*/
if (locty <= 1) {
pending_request_flag = 0;
}
/* release access from l - 1; this activates locty - 1 */
l--;
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
DPRINTF("%s: %d: relinquishing control on l = %d\n",
__func__, __LINE__, l);
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS),
TPM_TIS_ACCESS_ACTIVE_LOCALITY);
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
for (l = locty - 1; l >= 0; l--) {
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* release this locality */
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS),
TPM_TIS_ACCESS_ACTIVE_LOCALITY);
if (l == 1) {
pending_request_flag = 0;
}
}
/* no locality may be active now */
for (l = 0; l < TPM_TIS_NUM_LOCALITIES - 1; l++) {
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
}
}
}
/*
* Test case for getting access when higher number locality relinquishes access
*/
void tpm_tis_test_check_access_reg_release(const void *data)
{
int locty, l;
uint8_t access;
uint8_t pending_request_flag;
/* do not test locality 4 (hw only) */
for (locty = TPM_TIS_NUM_LOCALITIES - 2; locty >= 0; locty--) {
pending_request_flag = 0;
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* request use of locality */
writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
access = readb(TIS_REG(locty, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* request use of all other localities */
for (l = 0; l < TPM_TIS_NUM_LOCALITIES - 1; l++) {
if (l == locty) {
continue;
}
/*
* request use of locality 'l' -- we MUST see REQUEST USE and
* may see PENDING_REQUEST
*/
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_REQUEST_USE |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
pending_request_flag = TPM_TIS_ACCESS_PENDING_REQUEST;
}
/* release locality 'locty' */
writeb(TIS_REG(locty, TPM_TIS_REG_ACCESS),
TPM_TIS_ACCESS_ACTIVE_LOCALITY);
/*
* highest locality should now be active; release it and make sure the
* next higest locality is active afterwards
*/
for (l = TPM_TIS_NUM_LOCALITIES - 2; l >= 0; l--) {
if (l == locty) {
continue;
}
/* 'l' should be active now */
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
/* 'l' relinquishes access */
writeb(TIS_REG(l, TPM_TIS_REG_ACCESS),
TPM_TIS_ACCESS_ACTIVE_LOCALITY);
access = readb(TIS_REG(l, TPM_TIS_REG_ACCESS));
DPRINTF_ACCESS;
if (l == 1 || (locty <= 1 && l == 2)) {
pending_request_flag = 0;
}
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
pending_request_flag |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
}
}
}
/*
* Test case for transmitting packets
*/
void tpm_tis_test_check_transmit(const void *data)
{
const TestState *s = data;
uint8_t access;
uint32_t sts;
uint16_t bcount;
size_t i;
/* request use of locality 0 */
writeb(TIS_REG(0, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_REQUEST_USE);
access = readb(TIS_REG(0, TPM_TIS_REG_ACCESS));
g_assert_cmpint(access, ==, TPM_TIS_ACCESS_TPM_REG_VALID_STS |
TPM_TIS_ACCESS_ACTIVE_LOCALITY |
TPM_TIS_ACCESS_TPM_ESTABLISHMENT);
sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
DPRINTF_STS;
g_assert_cmpint(sts & 0xff, ==, 0);
g_assert_cmpint(sts & TPM_TIS_STS_TPM_FAMILY_MASK, ==,
TPM_TIS_STS_TPM_FAMILY2_0);
bcount = (sts >> 8) & 0xffff;
g_assert_cmpint(bcount, >=, 128);
writel(TIS_REG(0, TPM_TIS_REG_STS), TPM_TIS_STS_COMMAND_READY);
sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
DPRINTF_STS;
g_assert_cmpint(sts & 0xff, ==, TPM_TIS_STS_COMMAND_READY);
/* transmit command */
for (i = 0; i < sizeof(TPM_CMD); i++) {
writeb(TIS_REG(0, TPM_TIS_REG_DATA_FIFO), TPM_CMD[i]);
sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
DPRINTF_STS;
if (i < sizeof(TPM_CMD) - 1) {
g_assert_cmpint(sts & 0xff, ==,
TPM_TIS_STS_EXPECT | TPM_TIS_STS_VALID);
} else {
g_assert_cmpint(sts & 0xff, ==, TPM_TIS_STS_VALID);
}
g_assert_cmpint((sts >> 8) & 0xffff, ==, --bcount);
}
/* start processing */
writeb(TIS_REG(0, TPM_TIS_REG_STS), TPM_TIS_STS_TPM_GO);
uint64_t end_time = g_get_monotonic_time() + 50 * G_TIME_SPAN_SECOND;
do {
sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
if ((sts & TPM_TIS_STS_DATA_AVAILABLE) != 0) {
break;
}
} while (g_get_monotonic_time() < end_time);
sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
DPRINTF_STS;
g_assert_cmpint(sts & 0xff, == ,
TPM_TIS_STS_VALID | TPM_TIS_STS_DATA_AVAILABLE);
bcount = (sts >> 8) & 0xffff;
/* read response */
uint8_t tpm_msg[sizeof(struct tpm_hdr)];
g_assert_cmpint(sizeof(tpm_msg), ==, bcount);
for (i = 0; i < sizeof(tpm_msg); i++) {
tpm_msg[i] = readb(TIS_REG(0, TPM_TIS_REG_DATA_FIFO));
sts = readl(TIS_REG(0, TPM_TIS_REG_STS));
DPRINTF_STS;
if (sts & TPM_TIS_STS_DATA_AVAILABLE) {
g_assert_cmpint((sts >> 8) & 0xffff, ==, --bcount);
}
}
g_assert_cmpmem(tpm_msg, sizeof(tpm_msg), s->tpm_msg, sizeof(*s->tpm_msg));
/* relinquish use of locality 0 */
writeb(TIS_REG(0, TPM_TIS_REG_ACCESS), TPM_TIS_ACCESS_ACTIVE_LOCALITY);
access = readb(TIS_REG(0, TPM_TIS_REG_ACCESS));
}

23
tests/qtest/tpm-tis-util.h Normal file
View File

@ -0,0 +1,23 @@
/*
* QTest TPM TIS: Common test functions used for both the
* ISA and SYSBUS devices
*
* Copyright (c) 2018 IBM Corporation
*
* Authors:
* Stefan Berger <stefanb@linux.vnet.ibm.com>
*
* 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 TESTS_TPM_TIS_UTIL_H
#define TESTS_TPM_TIS_UTIL_H
void tpm_tis_test_check_localities(const void *data);
void tpm_tis_test_check_access_reg(const void *data);
void tpm_tis_test_check_access_reg_seize(const void *data);
void tpm_tis_test_check_access_reg_release(const void *data);
void tpm_tis_test_check_transmit(const void *data);
#endif /* TESTS_TPM_TIS_UTIL_H */

11
tests/qtest/tpm-util.c
View File

@ -19,9 +19,6 @@
#include "tpm-util.h"
#include "qapi/qmp/qdict.h"
#define TIS_REG(LOCTY, REG) \
(TPM_TIS_ADDR_BASE + ((LOCTY) << 12) + REG)
void tpm_util_crb_transfer(QTestState *s,
const unsigned char *req, size_t req_size,
unsigned char *rsp, size_t rsp_size)
@ -258,23 +255,27 @@ void tpm_util_migration_start_qemu(QTestState **src_qemu,
SocketAddress *src_tpm_addr,
SocketAddress *dst_tpm_addr,
const char *miguri,
const char *ifmodel)
const char *ifmodel,
const char *machine_options)
{
char *src_qemu_args, *dst_qemu_args;
src_qemu_args = g_strdup_printf(
"%s "
"-chardev socket,id=chr,path=%s "
"-tpmdev emulator,id=dev,chardev=chr "
"-device %s,tpmdev=dev ",
src_tpm_addr->u.q_unix.path, ifmodel);
machine_options ? : "", src_tpm_addr->u.q_unix.path, ifmodel);
*src_qemu = qtest_init(src_qemu_args);
dst_qemu_args = g_strdup_printf(
"%s "
"-chardev socket,id=chr,path=%s "
"-tpmdev emulator,id=dev,chardev=chr "
"-device %s,tpmdev=dev "
"-incoming %s",
machine_options ? : "",
dst_tpm_addr->u.q_unix.path,
ifmodel, miguri);

8
tests/qtest/tpm-util.h
View File

@ -15,6 +15,11 @@
#include "io/channel-socket.h"
extern uint64_t tpm_tis_base_addr;
#define TIS_REG(LOCTY, REG) \
(tpm_tis_base_addr + ((LOCTY) << 12) + REG)
typedef void (tx_func)(QTestState *s,
const unsigned char *req, size_t req_size,
unsigned char *rsp, size_t rsp_size);
@ -44,7 +49,8 @@ void tpm_util_migration_start_qemu(QTestState **src_qemu,
SocketAddress *src_tpm_addr,
SocketAddress *dst_tpm_addr,
const char *miguri,
const char *ifmodel);
const char *ifmodel,
const char *machine_options);
void tpm_util_wait_for_migration_complete(QTestState *who);