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linux/drivers/char/tpm
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Stuart Yoder dbfdaeb381 tpm_crb: Add idle support for the Arm FF-A start method 
According to the CRB over FF-A specification [1], a TPM that implements
the ABI must comply with the TCG PTP specification. This requires support
for the Idle and Ready states.

This patch implements CRB control area requests for goIdle and
cmdReady on FF-A based TPMs.

The FF-A message used to notify the TPM of CRB updates includes a
locality parameter, which provides a hint to the TPM about which
locality modified the CRB.  This patch adds a locality parameter
to __crb_go_idle() and __crb_cmd_ready() to support this.

[1] https://developer.arm.com/documentation/den0138/latest/

Signed-off-by: Stuart Yoder <stuart.yoder@arm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
 		2025-10-18 14:33:22 +03:00
..
eventlog Hi, 2025-07-28 18:18:16 -07:00
st33zp24 tpm: add bufsiz parameter in the .send callback 2025-07-23 02:23:18 +03:00
Kconfig tpm: Compare HMAC values in constant time 2025-10-10 08:21:45 +03:00
Makefile tpm: Add a driver for Loongson TPM device 2025-09-02 12:29:57 +01:00
tpm-buf.c char: tpm: tpm-buf: Add sanity check fallback in read helpers 2025-05-15 04:47:14 +03:00
tpm-chip.c tpm: End any active auth session before shutdown 2025-03-27 15:34:05 +02:00
tpm-dev-common.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
tpm-dev.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
tpm-dev.h
…
tpm-interface.c tpm: use a map for tpm2_calc_ordinal_duration() 2025-10-10 08:21:45 +03:00
tpm-sysfs.c tpm: add the null key name as a sysfs export 2024-05-09 22:30:52 +03:00
tpm.h tpm: use a map for tpm2_calc_ordinal_duration() 2025-10-10 08:21:45 +03:00
tpm1-cmd.c
…
tpm2-cmd.c tpm: use a map for tpm2_calc_ordinal_duration() 2025-10-10 08:21:45 +03:00
tpm2-sessions.c tpm: Use HMAC-SHA256 library instead of open-coded HMAC 2025-10-10 08:21:45 +03:00
tpm2-space.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
tpm_atmel.c tpm: add bufsiz parameter in the .send callback 2025-07-23 02:23:18 +03:00
tpm_crb.c tpm_crb: Add idle support for the Arm FF-A start method 2025-10-18 14:33:22 +03:00
tpm_crb_ffa.c tpm_crb_ffa: handle tpm busy return code 2025-07-23 02:32:00 +03:00
tpm_crb_ffa.h tpm_crb_ffa: Remove unused export 2025-07-23 02:23:18 +03:00
tpm_ftpm_tee.c tpm/tpm_ftpm_tee: support TPM_CHIP_FLAG_SYNC 2025-07-23 02:23:18 +03:00
tpm_ftpm_tee.h tpm/tpm_ftpm_tee: support TPM_CHIP_FLAG_SYNC 2025-07-23 02:23:18 +03:00
tpm_i2c_atmel.c tpm: add bufsiz parameter in the .send callback 2025-07-23 02:23:18 +03:00
tpm_i2c_infineon.c tpm: add bufsiz parameter in the .send callback 2025-07-23 02:23:18 +03:00
tpm_i2c_nuvoton.c tpm: add bufsiz parameter in the .send callback 2025-07-23 02:23:18 +03:00
tpm_ibmvtpm.c tpm: add bufsiz parameter in the .send callback 2025-07-23 02:23:18 +03:00
tpm_ibmvtpm.h
…
tpm_infineon.c tpm: add bufsiz parameter in the .send callback 2025-07-23 02:23:18 +03:00
tpm_loongson.c tpm: loongson: Add bufsiz parameter to tpm_loongson_send() 2025-09-25 12:45:03 +01:00
tpm_nsc.c tpm: add bufsiz parameter in the .send callback 2025-07-23 02:23:18 +03:00
tpm_ppi.c tpm: Prevent local DOS via tpm/tpm0/ppi/*operations 2025-10-10 08:21:45 +03:00
tpm_svsm.c tpm/tpm_svsm: support TPM_CHIP_FLAG_SYNC 2025-07-23 02:23:18 +03:00
tpm_tis.c Get rid of 'remove_new' relic from platform driver struct 2024-12-01 15:12:43 -08:00
tpm_tis_core.c tpm_tis: Fix incorrect arguments in tpm_tis_probe_irq_single 2025-10-10 08:21:45 +03:00
tpm_tis_core.h tpm: tis: Double the timeout B to 4s 2025-05-15 04:49:15 +03:00
tpm_tis_i2c.c tpm: Drop explicit initialization of struct i2c_device_id::driver_data to 0 2024-09-17 18:56:37 +03:00
tpm_tis_i2c_cr50.c tpm: add bufsiz parameter in the .send callback 2025-07-23 02:23:18 +03:00
tpm_tis_spi.h
…
tpm_tis_spi_cr50.c
…
tpm_tis_spi_main.c tpm_tis_spi: add missing attpm20p SPI device ID entry 2024-07-01 15:50:02 +00:00
tpm_tis_synquacer.c Get rid of 'remove_new' relic from platform driver struct 2024-12-01 15:12:43 -08:00
tpm_vtpm_proxy.c tpm: add bufsiz parameter in the .send callback 2025-07-23 02:23:18 +03:00
tpmrm-dev.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
xen-tpmfront.c tpm: add bufsiz parameter in the .send callback 2025-07-23 02:23:18 +03:00