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| author |   Steffen Eiden <seiden@linux.ibm.com> | 2022-05-18 13:59:08 +0000 |
|---|---|---|
| committer |   Janosch Frank <frankja@linux.ibm.com> | 2022-07-11 11:29:51 +0200 |
| commit | 1b6abe95b522b313569469498c8c648a5ee535ba (patch) | |
| tree | a45c46d74168024142d61a9f312f490fac0e0c4d /arch/s390/include/asm | |
| parent | KVM: s390: drop unexpected word 'and' in the comments (diff) | |
| download | linux-dev-1b6abe95b522b313569469498c8c648a5ee535ba.tar.xz linux-dev-1b6abe95b522b313569469498c8c648a5ee535ba.zip | |
s390: Add attestation query information
We have information about the supported attestation header version
and plaintext attestation flag bits.
Let's expose it via the sysfs files.
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Link: https://lore.kernel.org/lkml/20220601100245.3189993-1-seiden@linux.ibm.com/
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm')
| -rw-r--r-- | arch/s390/include/asm/uv.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h index 3e597bb634bd..18fe04c8547e 100644 --- a/arch/s390/include/asm/uv.h +++ b/arch/s390/include/asm/uv.h @@ -124,7 +124,10 @@ struct uv_cb_qui { u64 reservedc0; /* 0x00c0 */ u64 conf_dump_storage_state_len; /* 0x00c8 */ u64 conf_dump_finalize_len; /* 0x00d0 */ - u8 reservedd8[256 - 216]; /* 0x00d8 */ + u64 reservedd8; /* 0x00d8 */ + u64 supp_att_req_hdr_ver; /* 0x00e0 */ + u64 supp_att_pflags; /* 0x00e8 */ + u8 reservedf0[256 - 240]; /* 0x00f0 */ } __packed __aligned(8); /* Initialize Ultravisor */ @@ -350,6 +353,8 @@ struct uv_info { unsigned long supp_se_hdr_pcf; unsigned long conf_dump_storage_state_len; unsigned long conf_dump_finalize_len; + unsigned long supp_att_req_hdr_ver; + unsigned long supp_att_pflags; }; extern struct uv_info uv_info; |