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Just pass the container structure rather than bus_id and xscom_base to
tpm_i2c_request_send(). Rename xscom_base to i2c_addr while we're here
since that's just plain wrong.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
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This imports stb_init() from stb.c, but breaking it into multiple files
in order to make the code easier to read and to maintain. New files
created: secureboot.c, trustedboot.c and cvc.c.
The secureboot_init() in secureboot.c also initializes the hardware key
hash and the hardware key hash size, which are used to call the CVC
verify wrapper. These variables were initialized in the romcode_probe()
function, libstb/drivers/romcode.c.
The cvc_init() in cvc.c is slightly modified from what exists in
stb_init(). Now it calls cvc_register() and cvc_service_register().
Signed-off-by: Claudio Carvalho <cclaudio@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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This adds the tpm_extendl() function to tpm_chip interface
For each TPM device, tpm_extendl() extends the sha1 and sha256 digests
provided to the indicated PCR and also records an event for the same PCR
in the event log.
Signed-off-by: Claudio Carvalho <cclaudio@linux.vnet.ibm.com>
[stewart@linux.vnet.ibm.com: remove special char, align comments to 80 cols]
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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This adds both TSS and tpmLogMgr to be built as part of libstb.
We map some routines and types from TSS and tpmLogMgr codes
to equivalent skiboot routines and types.
Signed-off-by: Claudio Carvalho <cclaudio@linux.vnet.ibm.com>
[stewart@linux.vnet.ibm.com: merge skiboot/HB mappings into makefile patch,
and fix pointer to int without cast warning (NULL vs 0) ]
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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This declares the TpmTarget for TSS. This could be done in
'libstb/tss/trustedboot.H', but it causes a dependency cycle among
trustedboot.H, trustedTypes.H and tpm_chip.h.
Signed-off-by: Claudio Carvalho <cclaudio@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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This adds the TPM chip interface for libstb:
- tpm_init(): call drivers' probe to find TPM devices that are
compatible with them.
- tpm_register_chip(): register a TPM chip which includes pointers to
the TPM device and TPM driver structures.
- tpm_add_status_property(): add the status device tree property for
each registered TPM device.
The TPM chip interface is documented in 'libstb/tpm_chip.h' and the tpm device
tree node is documented in 'doc/device-tree/tpm.rst'
Signed-off-by: Claudio Carvalho <cclaudio@linux.vnet.ibm.com>
[stewart@linux.vnet.ibm.com: shuffle unused error path around]
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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