issei: add heci hardware module

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Add support for the ISSEI (Intel Silicon Security Engine Interface)
HECI PCI devices.
Add the necessary PCI handling routines, hardware definitions,
register mappings and hardware access routines.

This enables the communication via HECI PCI device advertized by BIOS.

Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Co-developed-by: Vitaly Lubart <lubvital@gmail.com>
Signed-off-by: Vitaly Lubart <lubvital@gmail.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Link: https://patch.msgid.link/20260513-issei-for-upstream-v1-4-f590038678f9@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Alexander Usyskin 2026-05-13 17:18:45 +03:00 • committed by Greg Kroah-Hartman

parent 7bd4b9991d

commit 8bf5e84998

6 changed files with 803 additions and 0 deletions

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16

drivers/misc/issei/Kconfig

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4

drivers/misc/issei/Makefile

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550

drivers/misc/issei/hw_heci.c

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47

drivers/misc/issei/hw_heci.h

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35

drivers/misc/issei/hw_heci_regs.h

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151

drivers/misc/issei/pci_heci.c

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