kernel/linux.git/include/uapi/linux/psp-sev.h, branch v6.6.132

crypto: ccp - Name -1 return value as SEV_RET_NO_FW_CALL

2023-03-21T10:37:32+00:00

The PSP can return a "firmware error" code of -1 in circumstances where the PSP has not actually been called. To make this protocol unambiguous, name the value SEV_RET_NO_FW_CALL. [ bp: Massage a bit. ] Signed-off-by: Peter Gonda Signed-off-by: Dionna Glaze Signed-off-by: Borislav Petkov (AMD) Link: https://lore.kernel.org/r/20221207010210.2563293-2-dionnaglaze@google.com

crypto: ccp - Add support for SEV-ES to the PSP driver

2020-04-30T05:19:33+00:00

To provide support for SEV-ES, the hypervisor must provide an area of memory to the PSP. Once this Trusted Memory Region (TMR) is provided to the PSP, the contents of this area of memory are no longer available to the x86. Update the PSP driver to allocate a 1MB region for the TMR that is 1MB aligned and then provide it to the PSP through the SEV INIT command. Signed-off-by: Tom Lendacky Reviewed-by: Brijesh Singh Reviewed-by: Joerg Roedel Signed-off-by: Herbert Xu

crypto: ccp - Retry SEV INIT command in case of integrity check failure.

2019-10-25T15:09:58+00:00

SEV INIT command loads the SEV related persistent data from NVS and initializes the platform context. The firmware validates the persistent state. If validation fails, the firmware will reset the persisent state and return an integrity check failure status. At this point, a subsequent INIT command should succeed, so retry the command. The INIT command retry is only done during driver initialization. Additional enums along with SEV_RET_SECURE_DATA_INVALID are added to sev_ret_code to maintain continuity and relevance of enum values. Signed-off-by: Ashish Kalra Acked-by: David Rientjes Reviewed-by: Brijesh Singh Signed-off-by: Herbert Xu

treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers

2019-07-25T09:05:10+00:00

UAPI headers licensed under GPL are supposed to have exception "WITH Linux-syscall-note" so that they can be included into non-GPL user space application code. The exception note is missing in some UAPI headers. Some of them slipped in by the treewide conversion commit b24413180f56 ("License cleanup: add SPDX GPL-2.0 license identifier to files with no license"). Just run: $ git show --oneline b24413180f56 -- arch/x86/include/uapi/asm/ I believe they are not intentional, and should be fixed too. This patch was generated by the following script: git grep -l --not -e Linux-syscall-note --and -e SPDX-License-Identifier \ -- :arch/*/include/uapi/asm/*.h :include/uapi/ :^*/Kbuild | while read file do sed -i -e '/[[:space:]]OR[[:space:]]/s/$GPL-[^[:space:]]*$/(\1 WITH Linux-syscall-note)/g' \ -e '/[[:space:]]or[[:space:]]/s/$GPL-[^[:space:]]*$/(\1 WITH Linux-syscall-note)/g' \ -e '/[[:space:]]OR[[:space:]]/!{/[[:space:]]or[[:space:]]/!s/$GPL-[^[:space:]]*$/\1 WITH Linux-syscall-note/g}' $file done After this patch is applied, there are 5 UAPI headers that do not contain "WITH Linux-syscall-note". They are kept untouched since this exception applies only to GPL variants. $ git grep --not -e Linux-syscall-note --and -e SPDX-License-Identifier \ -- :arch/*/include/uapi/asm/*.h :include/uapi/ :^*/Kbuild include/uapi/drm/panfrost_drm.h:/* SPDX-License-Identifier: MIT */ include/uapi/linux/batman_adv.h:/* SPDX-License-Identifier: MIT */ include/uapi/linux/qemu_fw_cfg.h:/* SPDX-License-Identifier: BSD-3-Clause */ include/uapi/linux/vbox_err.h:/* SPDX-License-Identifier: MIT */ include/uapi/linux/virtio_iommu.h:/* SPDX-License-Identifier: BSD-3-Clause */ Signed-off-by: Masahiro Yamada Reviewed-by: Thomas Gleixner Signed-off-by: Greg Kroah-Hartman

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

2019-06-19T15:09:55+00:00

Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner Reviewed-by: Enrico Weigelt Reviewed-by: Kate Stewart Reviewed-by: Allison Randal Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman

crypto: ccp - introduce SEV_GET_ID2 command

2019-04-08T06:36:16+00:00

The current definition and implementation of the SEV_GET_ID command does not provide the length of the unique ID returned by the firmware. As per the firmware specification, the firmware may return an ID length that is not restricted to 64 bytes as assumed by the SEV_GET_ID command. Introduce the SEV_GET_ID2 command to overcome with the SEV_GET_ID limitations. Deprecate the SEV_GET_ID in the favor of SEV_GET_ID2. At the same time update SEV API web link. Cc: Janakarajan Natarajan Cc: Herbert Xu Cc: Gary Hook Cc: Tom Lendacky Cc: Nathaniel McCallum Signed-off-by: Brijesh Singh Signed-off-by: Herbert Xu

crypto: ccp - Add GET_ID SEV command

2018-05-30T16:13:56+00:00

The GET_ID command, added as of SEV API v0.16, allows the SEV firmware to be queried about a unique CPU ID. This unique ID can then be used to obtain the public certificate containing the Chip Endorsement Key (CEK) public key signed by the AMD SEV Signing Key (ASK). For more information please refer to "Section 5.12 GET_ID" of https://support.amd.com/TechDocs/55766_SEV-KM%20API_Specification.pdf Signed-off-by: Janakarajan Natarajan Signed-off-by: Herbert Xu

include: psp-sev: Capitalize invalid length enum

2018-02-24T01:24:11+00:00

Commit 1d57b17c60ff ("crypto: ccp: Define SEV userspace ioctl and command id") added the invalid length enum but we missed capitalizing it. Fixes: 1d57b17c60ff (crypto: ccp: Define SEV userspace ioctl ...) Cc: Paolo Bonzini Cc: Radim Krčmář Cc: Borislav Petkov Cc: Tom Lendacky CC: Gary R Hook Cc: linux-kernel@vger.kernel.org Signed-off-by: Brijesh Singh Signed-off-by: Paolo Bonzini

crypto: ccp: Define SEV userspace ioctl and command id

2017-12-04T16:57:27+00:00

Add a include file which defines the ioctl and command id used for issuing SEV platform management specific commands. Cc: Paolo Bonzini Cc: "Radim Krčmář" Cc: Borislav Petkov Cc: Herbert Xu Cc: Gary Hook Cc: Tom Lendacky Cc: linux-crypto@vger.kernel.org Cc: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Improvements-by: Borislav Petkov Signed-off-by: Brijesh Singh Reviewed-by: Borislav Petkov Acked-by: Gary R Hook