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Currently the tpm spaces are not exposed to userspace. Make this exposure via a separate device, which can now be opened multiple times because each read/write transaction goes separately via the space. Concurrency is protected by the chip->tpm_mutex for each read/write transaction separately. The TPM is cleared of all transient objects by the time the mutex is dropped, so there should be no interference between the kernel and userspace. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
24 lines
927 B
Makefile
24 lines
927 B
Makefile
#
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# Makefile for the kernel tpm device drivers.
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#
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obj-$(CONFIG_TCG_TPM) += tpm.o
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tpm-y := tpm-interface.o tpm-dev.o tpm-sysfs.o tpm-chip.o tpm2-cmd.o \
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tpm-dev-common.o tpmrm-dev.o tpm1_eventlog.o tpm2_eventlog.o \
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tpm2-space.o
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tpm-$(CONFIG_ACPI) += tpm_ppi.o tpm_acpi.o
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tpm-$(CONFIG_OF) += tpm_of.o
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obj-$(CONFIG_TCG_TIS_CORE) += tpm_tis_core.o
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obj-$(CONFIG_TCG_TIS) += tpm_tis.o
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obj-$(CONFIG_TCG_TIS_SPI) += tpm_tis_spi.o
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obj-$(CONFIG_TCG_TIS_I2C_ATMEL) += tpm_i2c_atmel.o
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obj-$(CONFIG_TCG_TIS_I2C_INFINEON) += tpm_i2c_infineon.o
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obj-$(CONFIG_TCG_TIS_I2C_NUVOTON) += tpm_i2c_nuvoton.o
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obj-$(CONFIG_TCG_NSC) += tpm_nsc.o
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obj-$(CONFIG_TCG_ATMEL) += tpm_atmel.o
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obj-$(CONFIG_TCG_INFINEON) += tpm_infineon.o
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obj-$(CONFIG_TCG_IBMVTPM) += tpm_ibmvtpm.o
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obj-$(CONFIG_TCG_TIS_ST33ZP24) += st33zp24/
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obj-$(CONFIG_TCG_XEN) += xen-tpmfront.o
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obj-$(CONFIG_TCG_CRB) += tpm_crb.o
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obj-$(CONFIG_TCG_VTPM_PROXY) += tpm_vtpm_proxy.o
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