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tests: add test for TPM TIS device

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Move the TPM TIS related register and flag #defines into
include/hw/acpi/tpm.h for access by the test case.

Write a test case that covers the TIS functionality.

Add the tests cases to the MAINTAINERS file.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Stefan Berger 2018-02-14 19:51:48 -05:00
parent 0e6ca9547b
commit adb0e917e6
6 changed files with 601 additions and 101 deletions
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105
include/hw/acpi/tpm.h
View file

@ -23,6 +23,111 @@
#define TPM_TIS_IRQ 5
#define TPM_TIS_NUM_LOCALITIES 5 /* per spec */
#define TPM_TIS_LOCALITY_SHIFT 12
/* tis registers */
#define TPM_TIS_REG_ACCESS 0x00
#define TPM_TIS_REG_INT_ENABLE 0x08
#define TPM_TIS_REG_INT_VECTOR 0x0c
#define TPM_TIS_REG_INT_STATUS 0x10
#define TPM_TIS_REG_INTF_CAPABILITY 0x14
#define TPM_TIS_REG_STS 0x18
#define TPM_TIS_REG_DATA_FIFO 0x24
#define TPM_TIS_REG_INTERFACE_ID 0x30
#define TPM_TIS_REG_DATA_XFIFO 0x80
#define TPM_TIS_REG_DATA_XFIFO_END 0xbc
#define TPM_TIS_REG_DID_VID 0xf00
#define TPM_TIS_REG_RID 0xf04
/* vendor-specific registers */
#define TPM_TIS_REG_DEBUG 0xf90
#define TPM_TIS_STS_TPM_FAMILY_MASK (0x3 << 26)/* TPM 2.0 */
#define TPM_TIS_STS_TPM_FAMILY1_2 (0 << 26) /* TPM 2.0 */
#define TPM_TIS_STS_TPM_FAMILY2_0 (1 << 26) /* TPM 2.0 */
#define TPM_TIS_STS_RESET_ESTABLISHMENT_BIT (1 << 25) /* TPM 2.0 */
#define TPM_TIS_STS_COMMAND_CANCEL (1 << 24) /* TPM 2.0 */
#define TPM_TIS_STS_VALID (1 << 7)
#define TPM_TIS_STS_COMMAND_READY (1 << 6)
#define TPM_TIS_STS_TPM_GO (1 << 5)
#define TPM_TIS_STS_DATA_AVAILABLE (1 << 4)
#define TPM_TIS_STS_EXPECT (1 << 3)
#define TPM_TIS_STS_SELFTEST_DONE (1 << 2)
#define TPM_TIS_STS_RESPONSE_RETRY (1 << 1)
#define TPM_TIS_BURST_COUNT_SHIFT 8
#define TPM_TIS_BURST_COUNT(X) \
((X) << TPM_TIS_BURST_COUNT_SHIFT)
#define TPM_TIS_ACCESS_TPM_REG_VALID_STS (1 << 7)
#define TPM_TIS_ACCESS_ACTIVE_LOCALITY (1 << 5)
#define TPM_TIS_ACCESS_BEEN_SEIZED (1 << 4)
#define TPM_TIS_ACCESS_SEIZE (1 << 3)
#define TPM_TIS_ACCESS_PENDING_REQUEST (1 << 2)
#define TPM_TIS_ACCESS_REQUEST_USE (1 << 1)
#define TPM_TIS_ACCESS_TPM_ESTABLISHMENT (1 << 0)
#define TPM_TIS_INT_ENABLED (1 << 31)
#define TPM_TIS_INT_DATA_AVAILABLE (1 << 0)
#define TPM_TIS_INT_STS_VALID (1 << 1)
#define TPM_TIS_INT_LOCALITY_CHANGED (1 << 2)
#define TPM_TIS_INT_COMMAND_READY (1 << 7)
#define TPM_TIS_INT_POLARITY_MASK (3 << 3)
#define TPM_TIS_INT_POLARITY_LOW_LEVEL (1 << 3)
#define TPM_TIS_INTERRUPTS_SUPPORTED (TPM_TIS_INT_LOCALITY_CHANGED | \
TPM_TIS_INT_DATA_AVAILABLE | \
TPM_TIS_INT_STS_VALID | \
TPM_TIS_INT_COMMAND_READY)
#define TPM_TIS_CAP_INTERFACE_VERSION1_3 (2 << 28)
#define TPM_TIS_CAP_INTERFACE_VERSION1_3_FOR_TPM2_0 (3 << 28)
#define TPM_TIS_CAP_DATA_TRANSFER_64B (3 << 9)
#define TPM_TIS_CAP_DATA_TRANSFER_LEGACY (0 << 9)
#define TPM_TIS_CAP_BURST_COUNT_DYNAMIC (0 << 8)
#define TPM_TIS_CAP_INTERRUPT_LOW_LEVEL (1 << 4) /* support is mandatory */
#define TPM_TIS_CAPABILITIES_SUPPORTED1_3 \
(TPM_TIS_CAP_INTERRUPT_LOW_LEVEL | \
TPM_TIS_CAP_BURST_COUNT_DYNAMIC | \
TPM_TIS_CAP_DATA_TRANSFER_64B | \
TPM_TIS_CAP_INTERFACE_VERSION1_3 | \
TPM_TIS_INTERRUPTS_SUPPORTED)
#define TPM_TIS_CAPABILITIES_SUPPORTED2_0 \
(TPM_TIS_CAP_INTERRUPT_LOW_LEVEL | \
TPM_TIS_CAP_BURST_COUNT_DYNAMIC | \
TPM_TIS_CAP_DATA_TRANSFER_64B | \
TPM_TIS_CAP_INTERFACE_VERSION1_3_FOR_TPM2_0 | \
TPM_TIS_INTERRUPTS_SUPPORTED)
#define TPM_TIS_IFACE_ID_INTERFACE_TIS1_3 (0xf) /* TPM 2.0 */
#define TPM_TIS_IFACE_ID_INTERFACE_FIFO (0x0) /* TPM 2.0 */
#define TPM_TIS_IFACE_ID_INTERFACE_VER_FIFO (0 << 4) /* TPM 2.0 */
#define TPM_TIS_IFACE_ID_CAP_5_LOCALITIES (1 << 8) /* TPM 2.0 */
#define TPM_TIS_IFACE_ID_CAP_TIS_SUPPORTED (1 << 13) /* TPM 2.0 */
#define TPM_TIS_IFACE_ID_INT_SEL_LOCK (1 << 19) /* TPM 2.0 */
#define TPM_TIS_IFACE_ID_SUPPORTED_FLAGS1_3 \
(TPM_TIS_IFACE_ID_INTERFACE_TIS1_3 | \
(~0u << 4)/* all of it is don't care */)
/* if backend was a TPM 2.0: */
#define TPM_TIS_IFACE_ID_SUPPORTED_FLAGS2_0 \
(TPM_TIS_IFACE_ID_INTERFACE_FIFO | \
TPM_TIS_IFACE_ID_INTERFACE_VER_FIFO | \
TPM_TIS_IFACE_ID_CAP_5_LOCALITIES | \
TPM_TIS_IFACE_ID_CAP_TIS_SUPPORTED)
#define TPM_TIS_TPM_DID 0x0001
#define TPM_TIS_TPM_VID PCI_VENDOR_ID_IBM
#define TPM_TIS_TPM_RID 0x0001
#define TPM_TIS_NO_DATA_BYTE 0xff
REG32(CRB_LOC_STATE, 0x00)
FIELD(CRB_LOC_STATE, tpmEstablished, 0, 1)
FIELD(CRB_LOC_STATE, locAssigned, 1, 1)