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b4e2eb0651
linux/drivers/char/tpm
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Jason Gunthorpe b4e2eb0651 tpm crb: Work around BIOS's that report the wrong ACPI region size 
The expectation is that the if the CRB cmd/rsp buffer falls within the
ACPI region that the entire buffer will be within the reason. Otherwise
resource reservation will fail when it crosses regions.

Work around this BIOS bug by limiting the cmd/rsp buffer to the length
of the declared ACPI region. BIOS vendors should fix this by making
the ACPI and register length declarations consistent.

Reported-by: Davide Guerri <davide.guerri@gmail.com>
Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Davide Guerri <davide.guerri@gmail.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
2017-04-03 22:46:00 +03:00
..
st33zp24 tpm/st33zp24: Remove unneeded linux/miscdevice.h include 2017-01-23 18:28:18 +02:00
Kconfig tpm: enhance TPM 2.0 PCR extend to support multiple banks 2017-02-03 22:03:14 +02:00
Makefile tpm: add securityfs support for TPM 2.0 firmware event log 2017-02-03 22:03:14 +02:00
tpm1_eventlog.c tpm: add securityfs support for TPM 2.0 firmware event log 2017-02-03 22:03:14 +02:00
tpm2_eventlog.c tpm: add securityfs support for TPM 2.0 firmware event log 2017-02-03 22:03:14 +02:00
tpm2-cmd.c tpm: declare tpm2_get_pcr_allocation() as static 2017-02-20 13:23:18 +02:00
tpm_acpi.c tpm: add securityfs support for TPM 2.0 firmware event log 2017-02-03 22:03:14 +02:00
tpm_atmel.c tpm: Remove useless priv field in struct tpm_vendor_specific 2016-06-25 17:26:35 +03:00
tpm_atmel.h tpm: remove tpm_read_index and tpm_write_index from tpm.h 2017-02-03 22:03:14 +02:00
tpm_crb.c tpm crb: Work around BIOS's that report the wrong ACPI region size 2017-04-03 22:46:00 +03:00
tpm_eventlog.h tpm: add securityfs support for TPM 2.0 firmware event log 2017-02-03 22:03:14 +02:00
tpm_i2c_atmel.c tpm: Factor out common startup code 2016-07-19 17:43:38 +03:00
tpm_i2c_infineon.c tpm: Factor out common startup code 2016-07-19 17:43:38 +03:00
tpm_i2c_nuvoton.c tpm: Add TPM 2.0 support to the Nuvoton i2c driver (NPCT6xx family) 2016-07-19 17:43:38 +03:00
tpm_ibmvtpm.c tpm/vtpm: fix kdoc warnings 2017-01-23 18:28:18 +02:00
tpm_ibmvtpm.h tpm_ibmvtpm: properly handle interrupted packet receptions 2015-12-20 15:27:12 +02:00
tpm_infineon.c tpm: Get rid of chip->pdev 2016-06-25 17:26:35 +03:00
tpm_nsc.c tpm: remove tpm_read_index and tpm_write_index from tpm.h 2017-02-03 22:03:14 +02:00
tpm_of.c tpm: enhance read_log_of() to support Physical TPM event log 2017-02-03 22:03:14 +02:00
tpm_ppi.c tpm: move the PPI attributes to character device directory. 2015-10-19 01:01:20 +02:00
tpm_tis_core.c tpm_tis_core: Choose appropriate timeout for reading burstcount 2017-04-03 22:46:00 +03:00
tpm_tis_core.h tpm_tis: use default timeout value if chip reports it as zero 2017-01-23 18:28:18 +02:00
tpm_tis_spi.c tpm/tpm_tis_spi: drop duplicate header module.h 2017-01-23 18:28:18 +02:00
tpm_tis.c tpm_tis: fix the error handling of init_tis() 2017-02-14 19:24:33 +02:00
tpm_vtpm_proxy.c tpm/vtpm: fix kdoc warnings 2017-01-23 18:28:18 +02:00
tpm-chip.c tmp: use pdev for parent device in tpm_chip_alloc 2017-01-23 18:28:18 +02:00
tpm-dev.c tpm: Begin the process to deprecate user_read_timer 2017-02-03 22:03:14 +02:00
tpm-interface.c tpm: Fix expected number of response bytes of TPM1.2 PCR Extend 2017-02-15 20:09:52 +02:00
tpm-sysfs.c tpm: Check size of response before accessing data 2017-01-23 18:28:18 +02:00
tpm.h tpm: declare tpm2_get_pcr_allocation() as static 2017-02-20 13:23:18 +02:00
xen-tpmfront.c tpm xen: drop unneeded chip variable 2017-02-14 19:24:33 +02:00